diff options
| author | David S. Miller <davem@davemloft.net> | 2009-11-18 22:19:03 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-11-18 22:19:03 -0800 |
| commit | 3505d1a9fd65e2d3e00827857b6795d9d8983658 (patch) | |
| tree | 941cfafdb57c427bb6b7ebf6354ee93b2a3693b5 /drivers/staging | |
| parent | dfef948ed2ba69cf041840b5e860d6b4e16fa0b1 (diff) | |
| parent | 66b00a7c93ec782d118d2c03bd599cfd041e80a1 (diff) | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/sfc/sfe4001.c
drivers/net/wireless/libertas/cmd.c
drivers/staging/Kconfig
drivers/staging/Makefile
drivers/staging/rtl8187se/Kconfig
drivers/staging/rtl8192e/Kconfig
Diffstat (limited to 'drivers/staging')
91 files changed, 255 insertions, 11717 deletions
diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig index 4e3873bfd01..dfcd75cf490 100644 --- a/drivers/staging/Kconfig +++ b/drivers/staging/Kconfig @@ -59,8 +59,6 @@ source "drivers/staging/echo/Kconfig" source "drivers/staging/poch/Kconfig" -source "drivers/staging/agnx/Kconfig" - source "drivers/staging/otus/Kconfig" source "drivers/staging/rt2860/Kconfig" @@ -95,8 +93,6 @@ source "drivers/staging/dst/Kconfig" source "drivers/staging/pohmelfs/Kconfig" -source "drivers/staging/stlc45xx/Kconfig" - source "drivers/staging/b3dfg/Kconfig" source "drivers/staging/phison/Kconfig" @@ -129,8 +125,6 @@ source "drivers/staging/sep/Kconfig" source "drivers/staging/iio/Kconfig" -source "drivers/staging/cowloop/Kconfig" - source "drivers/staging/strip/Kconfig" source "drivers/staging/arlan/Kconfig" diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile index fb1d7851b56..7719d04a4a8 100644 --- a/drivers/staging/Makefile +++ b/drivers/staging/Makefile @@ -12,7 +12,6 @@ obj-$(CONFIG_W35UND) += winbond/ obj-$(CONFIG_PRISM2_USB) += wlan-ng/ obj-$(CONFIG_ECHO) += echo/ obj-$(CONFIG_POCH) += poch/ -obj-$(CONFIG_AGNX) += agnx/ obj-$(CONFIG_OTUS) += otus/ obj-$(CONFIG_RT2860) += rt2860/ obj-$(CONFIG_RT2870) += rt2870/ @@ -30,7 +29,6 @@ obj-$(CONFIG_ANDROID) += android/ obj-$(CONFIG_ANDROID) += dream/ obj-$(CONFIG_DST) += dst/ obj-$(CONFIG_POHMELFS) += pohmelfs/ -obj-$(CONFIG_STLC45XX) += stlc45xx/ obj-$(CONFIG_B3DFG) += b3dfg/ obj-$(CONFIG_IDE_PHISON) += phison/ obj-$(CONFIG_PLAN9AUTH) += p9auth/ @@ -46,7 +44,6 @@ obj-$(CONFIG_VME_BUS) += vme/ obj-$(CONFIG_RAR_REGISTER) += rar/ obj-$(CONFIG_DX_SEP) += sep/ obj-$(CONFIG_IIO) += iio/ -obj-$(CONFIG_COWLOOP) += cowloop/ obj-$(CONFIG_STRIP) += strip/ obj-$(CONFIG_ARLAN) += arlan/ obj-$(CONFIG_WAVELAN) += wavelan/ diff --git a/drivers/staging/agnx/Kconfig b/drivers/staging/agnx/Kconfig deleted file mode 100644 index 7f43549e36d..00000000000 --- a/drivers/staging/agnx/Kconfig +++ /dev/null @@ -1,5 +0,0 @@ -config AGNX - tristate "Wireless Airgo AGNX support" - depends on WLAN_80211 && MAC80211 - ---help--- - This is an experimental driver for Airgo AGNX00 wireless chip. diff --git a/drivers/staging/agnx/Makefile b/drivers/staging/agnx/Makefile deleted file mode 100644 index 1216564a312..00000000000 --- a/drivers/staging/agnx/Makefile +++ /dev/null @@ -1,8 +0,0 @@ -obj-$(CONFIG_AGNX) += agnx.o - -agnx-objs := rf.o \ - pci.o \ - xmit.o \ - table.o \ - sta.o \ - phy.o diff --git a/drivers/staging/agnx/TODO b/drivers/staging/agnx/TODO deleted file mode 100644 index 89bec74318a..00000000000 --- a/drivers/staging/agnx/TODO +++ /dev/null @@ -1,22 +0,0 @@ -2008 7/18 - -The RX has can't receive OFDM packet correctly, -Guess it need be do RX calibrate. - - -before 2008 3/1 - -1: The RX get too much "CRC failed" pakets, it make the card work very unstable, -2: After running a while, the card will get infinity "RX Frame" and "Error" -interrupt, not know the root reason so far, try to fix it -3: Using two tx queue txd and txm but not only txm. -4: Set the hdr correctly. -5: Try to do recalibrate correvtly -6: To support G mode in future -7: Fix the mac address can't be readed and set correctly in BE machine. -8: Fix include and exclude FCS in promisous mode and manage mode -9: Using sta_notify to notice sta change -10: Turn on frame reception at the end of start -11: Guess the card support HW_MULTICAST_FILTER -12: The tx process should be implment atomic? -13: Using mac80211 function to control the TX&RX LED. diff --git a/drivers/staging/agnx/agnx.h b/drivers/staging/agnx/agnx.h deleted file mode 100644 index 3963d2597a1..00000000000 --- a/drivers/staging/agnx/agnx.h +++ /dev/null @@ -1,156 +0,0 @@ -#ifndef AGNX_H_ -#define AGNX_H_ - -#include <linux/io.h> - -#include "xmit.h" - -#define PFX KBUILD_MODNAME ": " - -static inline u32 agnx_read32(void __iomem *mem_region, u32 offset) -{ - return ioread32(mem_region + offset); -} - -static inline void agnx_write32(void __iomem *mem_region, u32 offset, u32 val) -{ - iowrite32(val, mem_region + offset); -} - -/* static const struct ieee80211_rate agnx_rates_80211b[] = { */ -/* { .rate = 10, */ -/* .val = 0xa, */ -/* .flags = IEEE80211_RATE_CCK }, */ -/* { .rate = 20, */ -/* .val = 0x14, */ -/* .hw_value = -0x14, */ -/* .flags = IEEE80211_RATE_CCK_2 }, */ -/* { .rate = 55, */ -/* .val = 0x37, */ -/* .val2 = -0x37, */ -/* .flags = IEEE80211_RATE_CCK_2 }, */ -/* { .rate = 110, */ -/* .val = 0x6e, */ -/* .val2 = -0x6e, */ -/* .flags = IEEE80211_RATE_CCK_2 } */ -/* }; */ - - -static const struct ieee80211_rate agnx_rates_80211g[] = { -/* { .bitrate = 10, .hw_value = 1, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, */ -/* { .bitrate = 20, .hw_value = 2, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, */ -/* { .bitrate = 55, .hw_value = 3, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, */ -/* { .bitrate = 110, .hw_value = 4, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, */ - { .bitrate = 10, .hw_value = 1, }, - { .bitrate = 20, .hw_value = 2, }, - { .bitrate = 55, .hw_value = 3, }, - { .bitrate = 110, .hw_value = 4,}, - - { .bitrate = 60, .hw_value = 0xB, }, - { .bitrate = 90, .hw_value = 0xF, }, - { .bitrate = 120, .hw_value = 0xA }, - { .bitrate = 180, .hw_value = 0xE, }, -/* { .bitrate = 240, .hw_value = 0xd, }, */ - { .bitrate = 360, .hw_value = 0xD, }, - { .bitrate = 480, .hw_value = 0x8, }, - { .bitrate = 540, .hw_value = 0xC, }, -}; - -static const struct ieee80211_channel agnx_channels[] = { - { .center_freq = 2412, .hw_value = 1, }, - { .center_freq = 2417, .hw_value = 2, }, - { .center_freq = 2422, .hw_value = 3, }, - { .center_freq = 2427, .hw_value = 4, }, - { .center_freq = 2432, .hw_value = 5, }, - { .center_freq = 2437, .hw_value = 6, }, - { .center_freq = 2442, .hw_value = 7, }, - { .center_freq = 2447, .hw_value = 8, }, - { .center_freq = 2452, .hw_value = 9, }, - { .center_freq = 2457, .hw_value = 10, }, - { .center_freq = 2462, .hw_value = 11, }, - { .center_freq = 2467, .hw_value = 12, }, - { .center_freq = 2472, .hw_value = 13, }, - { .center_freq = 2484, .hw_value = 14, }, -}; - -#define NUM_DRIVE_MODES 2 -/* Agnx operate mode */ -enum { - AGNX_MODE_80211A, - AGNX_MODE_80211A_OOB, - AGNX_MODE_80211A_MIMO, - AGNX_MODE_80211B_SHORT, - AGNX_MODE_80211B_LONG, - AGNX_MODE_80211G, - AGNX_MODE_80211G_OOB, - AGNX_MODE_80211G_MIMO, -}; - -enum { - AGNX_UNINIT, - AGNX_START, - AGNX_STOP, -}; - -struct agnx_priv { - struct pci_dev *pdev; - struct ieee80211_hw *hw; - - spinlock_t lock; - struct mutex mutex; - unsigned int init_status; - - void __iomem *ctl; /* pointer to base ram address */ - void __iomem *data; /* pointer to mem region #2 */ - - struct agnx_ring rx; - struct agnx_ring txm; - struct agnx_ring txd; - - /* Need volatile? */ - u32 irq_status; - - struct delayed_work periodic_work; /* Periodic tasks like recalibrate */ - struct ieee80211_low_level_stats stats; - - /* unsigned int phymode; */ - int mode; - int channel; - u8 bssid[ETH_ALEN]; - - u8 mac_addr[ETH_ALEN]; - u8 revid; - - struct ieee80211_supported_band band; -}; - - -#define AGNX_CHAINS_MAX 6 -#define AGNX_PERIODIC_DELAY 60000 /* unit: ms */ -#define LOCAL_STAID 0 /* the station entry for the card itself */ -#define BSSID_STAID 1 /* the station entry for the bsssid AP */ -#define spi_delay() udelay(40) -#define eeprom_delay() udelay(40) -#define routing_table_delay() udelay(50) - -/* PDU pool MEM region #2 */ -#define AGNX_PDUPOOL 0x40000 /* PDU pool */ -#define AGNX_PDUPOOL_SIZE 0x8000 /* PDU pool size*/ -#define AGNX_PDU_TX_WQ 0x41000 /* PDU list TX workqueue */ -#define AGNX_PDU_FREE 0x41800 /* Free Pool */ -#define PDU_SIZE 0x80 /* Free Pool node size */ -#define PDU_FREE_CNT 0xd0 /* Free pool node count */ - - -/* RF stuffs */ -extern void rf_chips_init(struct agnx_priv *priv); -extern void spi_rc_write(void __iomem *mem_region, u32 chip_ids, u32 sw); -extern void calibrate_oscillator(struct agnx_priv *priv); -extern void do_calibration(struct agnx_priv *priv); -extern void antenna_calibrate(struct agnx_priv *priv); -extern void __antenna_calibrate(struct agnx_priv *priv); -extern void print_offsets(struct agnx_priv *priv); -extern int agnx_set_channel(struct agnx_priv *priv, unsigned int channel); - - -#endif /* AGNX_H_ */ diff --git a/drivers/staging/agnx/debug.h b/drivers/staging/agnx/debug.h deleted file mode 100644 index 7947f327a21..00000000000 --- a/drivers/staging/agnx/debug.h +++ /dev/null @@ -1,416 +0,0 @@ -#ifndef AGNX_DEBUG_H_ -#define AGNX_DEBUG_H_ - -#include "agnx.h" -#include "phy.h" -#include "sta.h" -#include "xmit.h" - -#define AGNX_TRACE printk(KERN_ERR PFX "function:%s line:%d\n", __func__, __LINE__) - -#define PRINTK_LE16(prefix, var) printk(KERN_DEBUG PFX #prefix ": " #var " 0x%.4x\n", le16_to_cpu(var)) -#define PRINTK_LE32(prefix, var) printk(KERN_DEBUG PFX #prefix ": " #var " 0x%.8x\n", le32_to_cpu(var)) -#define PRINTK_U8(prefix, var) printk(KERN_DEBUG PFX #prefix ": " #var " 0x%.2x\n", var) -#define PRINTK_BE16(prefix, var) printk(KERN_DEBUG PFX #prefix ": " #var " 0x%.4x\n", be16_to_cpu(var)) -#define PRINTK_BE32(prefix, var) printk(KERN_DEBUG PFX #prefix ": " #var " 0x%.8x\n", be32_to_cpu(var)) -#define PRINTK_BITS(prefix, field) printk(KERN_DEBUG PFX #prefix ": " #field ": 0x%x\n", (reg & field) >> field##_SHIFT) - -static inline void agnx_bug(char *reason) -{ - printk(KERN_ERR PFX "%s\n", reason); - BUG(); -} - -static inline void agnx_print_desc(struct agnx_desc *desc) -{ - u32 reg = be32_to_cpu(desc->frag); - - PRINTK_BITS(DESC, PACKET_LEN); - - if (reg & FIRST_FRAG) { - PRINTK_BITS(DESC, FIRST_PACKET_MASK); - PRINTK_BITS(DESC, FIRST_RESERV2); - PRINTK_BITS(DESC, FIRST_TKIP_ERROR); - PRINTK_BITS(DESC, FIRST_TKIP_PACKET); - PRINTK_BITS(DESC, FIRST_RESERV1); - PRINTK_BITS(DESC, FIRST_FRAG_LEN); - } else { - PRINTK_BITS(DESC, SUB_RESERV2); - PRINTK_BITS(DESC, SUB_TKIP_ERROR); - PRINTK_BITS(DESC, SUB_TKIP_PACKET); - PRINTK_BITS(DESC, SUB_RESERV1); - PRINTK_BITS(DESC, SUB_FRAG_LEN); - } - - PRINTK_BITS(DESC, FIRST_FRAG); - PRINTK_BITS(DESC, LAST_FRAG); - PRINTK_BITS(DESC, OWNER); -} - - -static inline void dump_ieee80211b_phy_hdr(__be32 _11b0, __be32 _11b1) -{ - -} - -static inline void agnx_print_hdr(struct agnx_hdr *hdr) -{ - u32 reg; - int i; - - reg = be32_to_cpu(hdr->reg0); - PRINTK_BITS(HDR, RTS); - PRINTK_BITS(HDR, MULTICAST); - PRINTK_BITS(HDR, ACK); - PRINTK_BITS(HDR, TM); - PRINTK_BITS(HDR, RELAY); - PRINTK_BITS(HDR, REVISED_FCS); - PRINTK_BITS(HDR, NEXT_BUFFER_ADDR); - - reg = be32_to_cpu(hdr->reg1); - PRINTK_BITS(HDR, MAC_HDR_LEN); - PRINTK_BITS(HDR, DURATION_OVERIDE); - PRINTK_BITS(HDR, PHY_HDR_OVERIDE); - PRINTK_BITS(HDR, CRC_FAIL); - PRINTK_BITS(HDR, SEQUENCE_NUMBER); - PRINTK_BITS(HDR, BUFF_HEAD_ADDR); - - reg = be32_to_cpu(hdr->reg2); - PRINTK_BITS(HDR, PDU_COUNT); - PRINTK_BITS(HDR, WEP_KEY); - PRINTK_BITS(HDR, USES_WEP_KEY); - PRINTK_BITS(HDR, KEEP_ALIVE); - PRINTK_BITS(HDR, BUFF_TAIL_ADDR); - - reg = be32_to_cpu(hdr->reg3); - PRINTK_BITS(HDR, CTS_11G); - PRINTK_BITS(HDR, RTS_11G); - PRINTK_BITS(HDR, FRAG_SIZE); - PRINTK_BITS(HDR, PAYLOAD_LEN); - PRINTK_BITS(HDR, FRAG_NUM); - - reg = be32_to_cpu(hdr->reg4); - PRINTK_BITS(HDR, RELAY_STAID); - PRINTK_BITS(HDR, STATION_ID); - PRINTK_BITS(HDR, WORKQUEUE_ID); - - reg = be32_to_cpu(hdr->reg5); - /* printf the route flag */ - PRINTK_BITS(HDR, ROUTE_HOST); - PRINTK_BITS(HDR, ROUTE_CARD_CPU); - PRINTK_BITS(HDR, ROUTE_ENCRYPTION); - PRINTK_BITS(HDR, ROUTE_TX); - PRINTK_BITS(HDR, ROUTE_RX1); - PRINTK_BITS(HDR, ROUTE_RX2); - PRINTK_BITS(HDR, ROUTE_COMPRESSION); - - PRINTK_BE32(HDR, hdr->_11g0); - PRINTK_BE32(HDR, hdr->_11g1); - PRINTK_BE32(HDR, hdr->_11b0); - PRINTK_BE32(HDR, hdr->_11b1); - - dump_ieee80211b_phy_hdr(hdr->_11b0, hdr->_11b1); - - /* Fixme */ - for (i = 0; i < ARRAY_SIZE(hdr->mac_hdr); i++) { - if (i == 0) - printk(KERN_DEBUG PFX "IEEE80211 HDR: "); - printk("%.2x ", hdr->mac_hdr[i]); - if (i + 1 == ARRAY_SIZE(hdr->mac_hdr)) - printk("\n"); - } - - PRINTK_BE16(HDR, hdr->rts_duration); - PRINTK_BE16(HDR, hdr->last_duration); - PRINTK_BE16(HDR, hdr->sec_last_duration); - PRINTK_BE16(HDR, hdr->other_duration); - PRINTK_BE16(HDR, hdr->tx_other_duration); - PRINTK_BE16(HDR, hdr->last_11g_len); - PRINTK_BE16(HDR, hdr->other_11g_len); - PRINTK_BE16(HDR, hdr->last_11b_len); - PRINTK_BE16(HDR, hdr->other_11b_len); - - /* FIXME */ - reg = be16_to_cpu(hdr->reg6); - PRINTK_BITS(HDR, MBF); - PRINTK_BITS(HDR, RSVD4); - - PRINTK_BE16(HDR, hdr->rx_frag_stat); - - PRINTK_BE32(HDR, hdr->time_stamp); - PRINTK_BE32(HDR, hdr->phy_stats_hi); - PRINTK_BE32(HDR, hdr->phy_stats_lo); - PRINTK_BE32(HDR, hdr->mic_key0); - PRINTK_BE32(HDR, hdr->mic_key1); -} /* agnx_print_hdr */ - - -static inline void agnx_print_rx_hdr(struct agnx_hdr *hdr) -{ - agnx_print_hdr(hdr); - - PRINTK_BE16(HDR, hdr->rx.rx_packet_duration); - PRINTK_BE16(HDR, hdr->rx.replay_cnt); - - PRINTK_U8(HDR, hdr->rx_channel); -} - -static inline void agnx_print_tx_hdr(struct agnx_hdr *hdr) -{ - agnx_print_hdr(hdr); - - PRINTK_U8(HDR, hdr->tx.long_retry_limit); - PRINTK_U8(HDR, hdr->tx.short_retry_limit); - PRINTK_U8(HDR, hdr->tx.long_retry_cnt); - PRINTK_U8(HDR, hdr->tx.short_retry_cnt); - - PRINTK_U8(HDR, hdr->rx_channel); -} - -static inline void -agnx_print_sta_power(struct agnx_priv *priv, unsigned int sta_idx) -{ - struct agnx_sta_power power; - u32 reg; - - get_sta_power(priv, &power, sta_idx); - - reg = le32_to_cpu(power.reg); - PRINTK_BITS(STA_POWER, SIGNAL); - PRINTK_BITS(STA_POWER, RATE); - PRINTK_BITS(STA_POWER, TIFS); - PRINTK_BITS(STA_POWER, EDCF); - PRINTK_BITS(STA_POWER, CHANNEL_BOND); - PRINTK_BITS(STA_POWER, PHY_MODE); - PRINTK_BITS(STA_POWER, POWER_LEVEL); - PRINTK_BITS(STA_POWER, NUM_TRANSMITTERS); -} - -static inline void -agnx_print_sta_tx_wq(struct agnx_priv *priv, unsigned int sta_idx, unsigned int wq_idx) -{ - struct agnx_sta_tx_wq tx_wq; - u32 reg; - - get_sta_tx_wq(priv, &tx_wq, sta_idx, wq_idx); - - reg = le32_to_cpu(tx_wq.reg0); - PRINTK_BITS(STA_TX_WQ, TAIL_POINTER); - PRINTK_BITS(STA_TX_WQ, HEAD_POINTER_LOW); - - reg = le32_to_cpu(tx_wq.reg3); - PRINTK_BITS(STA_TX_WQ, HEAD_POINTER_HIGH); - PRINTK_BITS(STA_TX_WQ, ACK_POINTER_LOW); - - reg = le32_to_cpu(tx_wq.reg1); - PRINTK_BITS(STA_TX_WQ, ACK_POINTER_HIGH); - PRINTK_BITS(STA_TX_WQ, HEAD_TIMOUT_TAIL_PACK_CNT); - PRINTK_BITS(STA_TX_WQ, ACK_TIMOUT_TAIL_PACK_CNT); - - reg = le32_to_cpu(tx_wq.reg2); - PRINTK_BITS(STA_TX_WQ, HEAD_TIMOUT_WIN_LIM_BYTE_CNT); - PRINTK_BITS(STA_TX_WQ, HEAD_TIMOUT_WIN_LIM_FRAG_CNT); - PRINTK_BITS(STA_TX_WQ, WORK_QUEUE_ACK_TYPE); - PRINTK_BITS(STA_TX_WQ, WORK_QUEUE_VALID); -} - -static inline void agnx_print_sta_traffic(struct agnx_sta_traffic *traffic) -{ - u32 reg; - - reg = le32_to_cpu(traffic->reg0); - PRINTK_BITS(STA_TRAFFIC, ACK_TIMOUT_CNT); - PRINTK_BITS(STA_TRAFFIC, TRAFFIC_ACK_TYPE); - PRINTK_BITS(STA_TRAFFIC, NEW_PACKET); - PRINTK_BITS(STA_TRAFFIC, TRAFFIC_VALID); - PRINTK_BITS(STA_TRAFFIC, RX_HDR_DESC_POINTER); - - reg = le32_to_cpu(traffic->reg1); - PRINTK_BITS(STA_TRAFFIC, RX_PACKET_TIMESTAMP); - PRINTK_BITS(STA_TRAFFIC, TRAFFIC_RESERVED); - PRINTK_BITS(STA_TRAFFIC, SV); - PRINTK_BITS(STA_TRAFFIC, RX_SEQUENCE_NUM); - - PRINTK_LE32(STA_TRAFFIC, traffic->tx_replay_cnt_low); - - PRINTK_LE16(STA_TRAFFIC, traffic->tx_replay_cnt_high); - PRINTK_LE16(STA_TRAFFIC, traffic->rx_replay_cnt_high); - - PRINTK_LE32(STA_TRAFFIC, traffic->rx_replay_cnt_low); -} - -static inline void agnx_print_sta(struct agnx_priv *priv, unsigned int sta_idx) -{ - struct agnx_sta station; - struct agnx_sta *sta = &station; - u32 reg; - unsigned int i; - - get_sta(priv, sta, sta_idx); - - for (i = 0; i < 4; i++) - PRINTK_LE32(STA, sta->tx_session_keys[i]); - for (i = 0; i < 4; i++) - PRINTK_LE32(STA, sta->rx_session_keys[i]); - - reg = le32_to_cpu(sta->reg); - PRINTK_BITS(STA, ID_1); - PRINTK_BITS(STA, ID_0); - PRINTK_BITS(STA, ENABLE_CONCATENATION); - PRINTK_BITS(STA, ENABLE_DECOMPRESSION); - PRINTK_BITS(STA, STA_RESERVED); - PRINTK_BITS(STA, EAP); - PRINTK_BITS(STA, ED_NULL); - PRINTK_BITS(STA, ENCRYPTION_POLICY); - PRINTK_BITS(STA, DEFINED_KEY_ID); - PRINTK_BITS(STA, FIXED_KEY); - PRINTK_BITS(STA, KEY_VALID); - PRINTK_BITS(STA, STATION_VALID); - - PRINTK_LE32(STA, sta->tx_aes_blks_unicast); - PRINTK_LE32(STA, sta->rx_aes_blks_unicast); - - PRINTK_LE16(STA, sta->aes_format_err_unicast_cnt); - PRINTK_LE16(STA, sta->aes_replay_unicast); - - PRINTK_LE16(STA, sta->aes_decrypt_err_unicast); - PRINTK_LE16(STA, sta->aes_decrypt_err_default); - - PRINTK_LE16(STA, sta->single_retry_packets); - PRINTK_LE16(STA, sta->failed_tx_packets); - - PRINTK_LE16(STA, sta->muti_retry_packets); - PRINTK_LE16(STA, sta->ack_timeouts); - - PRINTK_LE16(STA, sta->frag_tx_cnt); - PRINTK_LE16(STA, sta->rts_brq_sent); - - PRINTK_LE16(STA, sta->tx_packets); - PRINTK_LE16(STA, sta->cts_back_timeout); - - PRINTK_LE32(STA, sta->phy_stats_high); - PRINTK_LE32(STA, sta->phy_stats_low); - - /* for (i = 0; i < 8; i++) */ - agnx_print_sta_traffic(sta->traffic + 0); - - PRINTK_LE16(STA, sta->traffic_class0_frag_success); - PRINTK_LE16(STA, sta->traffic_class1_frag_success); - PRINTK_LE16(STA, sta->traffic_class2_frag_success); - PRINTK_LE16(STA, sta->traffic_class3_frag_success); - PRINTK_LE16(STA, sta->traffic_class4_frag_success); - PRINTK_LE16(STA, sta->traffic_class5_frag_success); - PRINTK_LE16(STA, sta->traffic_class6_frag_success); - PRINTK_LE16(STA, sta->traffic_class7_frag_success); - - PRINTK_LE16(STA, sta->num_frag_non_prime_rates); - PRINTK_LE16(STA, sta->ack_timeout_non_prime_rates); -} - - -static inline void dump_ieee80211_hdr(struct ieee80211_hdr *hdr, char *tag) -{ - u16 fctl; - int hdrlen; - - fctl = le16_to_cpu(hdr->frame_control); - switch (fctl & IEEE80211_FCTL_FTYPE) { - case IEEE80211_FTYPE_DATA: - printk(PFX "%s DATA ", tag); - break; - case IEEE80211_FTYPE_CTL: - printk(PFX "%s CTL ", tag); - break; - case IEEE80211_FTYPE_MGMT: - printk(PFX "%s MGMT ", tag); - switch (fctl & IEEE80211_FCTL_STYPE) { - case IEEE80211_STYPE_ASSOC_REQ: - printk("SubType: ASSOC_REQ "); - break; - case IEEE80211_STYPE_ASSOC_RESP: - printk("SubType: ASSOC_RESP "); - break; - case IEEE80211_STYPE_REASSOC_REQ: - printk("SubType: REASSOC_REQ "); - break; - case IEEE80211_STYPE_REASSOC_RESP: - printk("SubType: REASSOC_RESP "); - break; - case IEEE80211_STYPE_PROBE_REQ: - printk("SubType: PROBE_REQ "); - break; - case IEEE80211_STYPE_PROBE_RESP: - printk("SubType: PROBE_RESP "); - break; - case IEEE80211_STYPE_BEACON: - printk("SubType: BEACON "); - break; - case IEEE80211_STYPE_ATIM: - printk("SubType: ATIM "); - break; - case IEEE80211_STYPE_DISASSOC: - printk("SubType: DISASSOC "); - break; - case IEEE80211_STYPE_AUTH: - printk("SubType: AUTH "); - break; - case IEEE80211_STYPE_DEAUTH: - printk("SubType: DEAUTH "); - break; - case IEEE80211_STYPE_ACTION: - printk("SubType: ACTION "); - break; - default: - printk("SubType: Unknow\n"); - } - break; - default: - printk(PFX "%s Packet type: Unknow\n", tag); - } - - hdrlen = ieee80211_hdrlen(fctl); - - if (hdrlen >= 4) - printk("FC=0x%04x DUR=0x%04x", - fctl, le16_to_cpu(hdr->duration_id)); - if (hdrlen >= 10) - printk(" A1=%pM", hdr->addr1); - if (hdrlen >= 16) - printk(" A2=%pM", hdr->addr2); - if (hdrlen >= 24) - printk(" A3=%pM", hdr->addr3); - if (hdrlen >= 30) - printk(" A4=%pM", hdr->addr4); - printk("\n"); -} - -static inline void dump_txm_registers(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - int i; - for (i = 0; i <= 0x1e8; i += 4) - printk(KERN_DEBUG PFX "TXM: %x---> 0x%.8x\n", i, ioread32(ctl + i)); -} -static inline void dump_rxm_registers(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - int i; - for (i = 0; i <= 0x108; i += 4) - printk(KERN_DEBUG PFX "RXM: %x---> 0x%.8x\n", i, ioread32(ctl + 0x2000 + i)); -} -static inline void dump_bm_registers(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - int i; - for (i = 0; i <= 0x90; i += 4) - printk(KERN_DEBUG PFX "BM: %x---> 0x%.8x\n", i, ioread32(ctl + 0x2c00 + i)); -} -static inline void dump_cir_registers(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - int i; - for (i = 0; i <= 0xb8; i += 4) - printk(KERN_DEBUG PFX "CIR: %x---> 0x%.8x\n", i, ioread32(ctl + 0x3000 + i)); -} - -#endif /* AGNX_DEBUG_H_ */ diff --git a/drivers/staging/agnx/pci.c b/drivers/staging/agnx/pci.c deleted file mode 100644 index 32b5489456a..00000000000 --- a/drivers/staging/agnx/pci.c +++ /dev/null @@ -1,635 +0,0 @@ -/** - * Airgo MIMO wireless driver - * - * Copyright (c) 2007 Li YanBo <dreamfly281@gmail.com> - - * Thanks for Jeff Williams <angelbane@gmail.com> do reverse engineer - * works and published the SPECS at http://airgo.wdwconsulting.net/mymoin - - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/init.h> -#include <linux/etherdevice.h> -#include <linux/pci.h> -#include <linux/delay.h> - -#include "agnx.h" -#include "debug.h" -#include "xmit.h" -#include "phy.h" - -MODULE_AUTHOR("Li YanBo <dreamfly281@gmail.com>"); -MODULE_DESCRIPTION("Airgo MIMO PCI wireless driver"); -MODULE_LICENSE("GPL"); - -static struct pci_device_id agnx_pci_id_tbl[] __devinitdata = { - { PCI_DEVICE(0x17cb, 0x0001) }, /* Beklin F5d8010, Netgear WGM511 etc */ - { PCI_DEVICE(0x17cb, 0x0002) }, /* Netgear Wpnt511 */ - { 0 } -}; - -MODULE_DEVICE_TABLE(pci, agnx_pci_id_tbl); - - -static inline void agnx_interrupt_ack(struct agnx_priv *priv, u32 *reason) -{ - void __iomem *ctl = priv->ctl; - u32 reg; - - if (*reason & AGNX_STAT_RX) { - /* Mark complete RX */ - reg = ioread32(ctl + AGNX_CIR_RXCTL); - reg |= 0x4; - iowrite32(reg, ctl + AGNX_CIR_RXCTL); - /* disable Rx interrupt */ - } - if (*reason & AGNX_STAT_TX) { - reg = ioread32(ctl + AGNX_CIR_TXDCTL); - if (reg & 0x4) { - iowrite32(reg, ctl + AGNX_CIR_TXDCTL); - *reason |= AGNX_STAT_TXD; - } - reg = ioread32(ctl + AGNX_CIR_TXMCTL); - if (reg & 0x4) { - iowrite32(reg, ctl + AGNX_CIR_TXMCTL); - *reason |= AGNX_STAT_TXM; - } - } -#if 0 - if (*reason & AGNX_STAT_X) { - reg = ioread32(ctl + AGNX_INT_STAT); - iowrite32(reg, ctl + AGNX_INT_STAT); - /* FIXME reinit interrupt mask */ - reg = 0xc390bf9 & ~IRQ_TX_BEACON; - reg &= ~IRQ_TX_DISABLE; - iowrite32(reg, ctl + AGNX_INT_MASK); - iowrite32(0x800, ctl + AGNX_CIR_BLKCTL); - } -#endif -} /* agnx_interrupt_ack */ - -static irqreturn_t agnx_interrupt_handler(int irq, void *dev_id) -{ - struct ieee80211_hw *dev = dev_id; - struct agnx_priv *priv = dev->priv; - void __iomem *ctl = priv->ctl; - irqreturn_t ret = IRQ_NONE; - u32 irq_reason; - - spin_lock(&priv->lock); - -/* printk(KERN_ERR PFX "Get a interrupt %s\n", __func__); */ - - if (priv->init_status != AGNX_START) - goto out; - - /* FiXME Here has no lock, Is this will lead to race? */ - irq_reason = ioread32(ctl + AGNX_CIR_BLKCTL); - if (!(irq_reason & 0x7)) - goto out; - - ret = IRQ_HANDLED; - priv->irq_status = ioread32(ctl + AGNX_INT_STAT); - -/* printk(PFX "Interrupt reason is 0x%x\n", irq_reason); */ - /* Make sure the txm and txd flags don't conflict with other unknown - interrupt flag, maybe is not necessary */ - irq_reason &= 0xF; - - disable_rx_interrupt(priv); - /* TODO Make sure the card finished initialized */ - agnx_interrupt_ack(priv, &irq_reason); - - if (irq_reason & AGNX_STAT_RX) - handle_rx_irq(priv); - if (irq_reason & AGNX_STAT_TXD) - handle_txd_irq(priv); - if (irq_reason & AGNX_STAT_TXM) - handle_txm_irq(priv); - if (irq_reason & AGNX_STAT_X) - handle_other_irq(priv); - - enable_rx_interrupt(priv); -out: - spin_unlock(&priv->lock); - return ret; -} /* agnx_interrupt_handler */ - - -/* FIXME */ -static int agnx_tx(struct ieee80211_hw *dev, struct sk_buff *skb) -{ - AGNX_TRACE; - return _agnx_tx(dev->priv, skb); -} /* agnx_tx */ - - -static int agnx_get_mac_address(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - u32 reg; - AGNX_TRACE; - - /* Attention! directly read the MAC or other date from EEPROM will - lead to cardbus(WGM511) lock up when write to PM PLL register */ - reg = agnx_read32(ctl, 0x3544); - udelay(40); - reg = agnx_read32(ctl, 0x354c); - udelay(50); - /* Get the mac address */ - reg = agnx_read32(ctl, 0x3544); - udelay(40); - - /* HACK */ - reg = cpu_to_le32(reg); - priv->mac_addr[0] = ((u8 *)®)[2]; - priv->mac_addr[1] = ((u8 *)®)[3]; - reg = agnx_read32(ctl, 0x3548); - udelay(50); - *((u32 *)(priv->mac_addr + 2)) = cpu_to_le32(reg); - - if (!is_valid_ether_addr(priv->mac_addr)) { - printk(KERN_WARNING PFX "read mac %pM\n", priv->mac_addr); - printk(KERN_WARNING PFX "Invalid hwaddr! Using random hwaddr\n"); - random_ether_addr(priv->mac_addr); - } - - return 0; -} /* agnx_get_mac_address */ - -static int agnx_alloc_rings(struct agnx_priv *priv) -{ - unsigned int len; - AGNX_TRACE; - - /* Allocate RX/TXM/TXD rings info */ - priv->rx.size = AGNX_RX_RING_SIZE; - priv->txm.size = AGNX_TXM_RING_SIZE; - priv->txd.size = AGNX_TXD_RING_SIZE; - - len = priv->rx.size + priv->txm.size + priv->txd.size; - -/* priv->rx.info = kzalloc(sizeof(struct agnx_info) * len, GFP_KERNEL); */ - priv->rx.info = kzalloc(sizeof(struct agnx_info) * len, GFP_ATOMIC); - if (!priv->rx.info) - return -ENOMEM; - priv->txm.info = priv->rx.info + priv->rx.size; - priv->txd.info = priv->txm.info + priv->txm.size; - - /* Allocate RX/TXM/TXD descriptors */ - priv->rx.desc = pci_alloc_consistent(priv->pdev, sizeof(struct agnx_desc) * len, - &priv->rx.dma); - if (!priv->rx.desc) { - kfree(priv->rx.info); - return -ENOMEM; - } - - priv->txm.desc = priv->rx.desc + priv->rx.size; - priv->txm.dma = priv->rx.dma + sizeof(struct agnx_desc) * priv->rx.size; - priv->txd.desc = priv->txm.desc + priv->txm.size; - priv->txd.dma = priv->txm.dma + sizeof(struct agnx_desc) * priv->txm.size; - - return 0; -} /* agnx_alloc_rings */ - -static void rings_free(struct agnx_priv *priv) -{ - unsigned int len = priv->rx.size + priv->txm.size + priv->txd.size; - unsigned long flags; - AGNX_TRACE; - - spin_lock_irqsave(&priv->lock, flags); - kfree(priv->rx.info); - pci_free_consistent(priv->pdev, sizeof(struct agnx_desc) * len, - priv->rx.desc, priv->rx.dma); - spin_unlock_irqrestore(&priv->lock, flags); -} - -#if 0 -static void agnx_periodic_work_handler(struct work_struct *work) -{ - struct agnx_priv *priv = container_of(work, struct agnx_priv, periodic_work.work); -/* unsigned long flags; */ - unsigned long delay; - - /* fixme: using mutex?? */ -/* spin_lock_irqsave(&priv->lock, flags); */ - - /* TODO Recalibrate*/ -/* calibrate_oscillator(priv); */ -/* antenna_calibrate(priv); */ -/* agnx_send_packet(priv, 997); */ - /* FIXME */ -/* if (debug == 3) */ -/* delay = msecs_to_jiffies(AGNX_PERIODIC_DELAY); */ -/* else */ - delay = msecs_to_jiffies(AGNX_PERIODIC_DELAY); -/* delay = round_jiffies(HZ * 15); */ - - queue_delayed_work(priv->hw->workqueue, &priv->periodic_work, delay); - -/* spin_unlock_irqrestore(&priv->lock, flags); */ -} -#endif - -static int agnx_start(struct ieee80211_hw *dev) -{ - struct agnx_priv *priv = dev->priv; - /* unsigned long delay; */ - int err = 0; - AGNX_TRACE; - - err = agnx_alloc_rings(priv); - if (err) { - printk(KERN_ERR PFX "Can't alloc RX/TXM/TXD rings\n"); - goto out; - } - err = request_irq(priv->pdev->irq, &agnx_interrupt_handler, - IRQF_SHARED, "agnx_pci", dev); - if (err) { - printk(KERN_ERR PFX "Failed to register IRQ handler\n"); - rings_free(priv); - goto out; - } - -/* mdelay(500); */ - - might_sleep(); - agnx_hw_init(priv); - -/* mdelay(500); */ - might_sleep(); - - priv->init_status = AGNX_START; -/* INIT_DELAYED_WORK(&priv->periodic_work, agnx_periodic_work_handler); */ -/* delay = msecs_to_jiffies(AGNX_PERIODIC_DELAY); */ -/* queue_delayed_work(priv->hw->workqueue, &priv->periodic_work, delay); */ -out: - return err; -} /* agnx_start */ - -static void agnx_stop(struct ieee80211_hw *dev) -{ - struct agnx_priv *priv = dev->priv; - AGNX_TRACE; - - priv->init_status = AGNX_STOP; - /* make sure hardware will not generate irq */ - agnx_hw_reset(priv); - free_irq(priv->pdev->irq, dev); -/* flush_workqueue(priv->hw->workqueue); */ -/* cancel_delayed_work_sync(&priv->periodic_work); */ - unfill_rings(priv); - rings_free(priv); -} - -static int agnx_config(struct ieee80211_hw *dev, u32 changed) -{ - struct agnx_priv *priv = dev->priv; - struct ieee80211_conf *conf = &dev->conf; - int channel = ieee80211_frequency_to_channel(conf->channel->center_freq); - AGNX_TRACE; - - spin_lock(&priv->lock); - /* FIXME need priv lock? */ - if (channel != priv->channel) { - priv->channel = channel; - agnx_set_channel(priv, priv->channel); - } - - spin_unlock(&priv->lock); - return 0; -} - -static void agnx_bss_info_changed(struct ieee80211_hw *dev, - struct ieee80211_vif *vif, - struct ieee80211_bss_conf *conf, - u32 changed) -{ - struct agnx_priv *priv = dev->priv; - void __iomem *ctl = priv->ctl; - AGNX_TRACE; - - if (!(changed & BSS_CHANGED_BSSID)) - return; - - spin_lock(&priv->lock); - - if (memcmp(conf->bssid, priv->bssid, ETH_ALEN)) { - agnx_set_bssid(priv, conf->bssid); - memcpy(priv->bssid, conf->bssid, ETH_ALEN); - hash_write(priv, conf->bssid, BSSID_STAID); - sta_init(priv, BSSID_STAID); - /* FIXME needed? */ - sta_power_init(priv, BSSID_STAID); - agnx_write32(ctl, AGNX_BM_MTSM, 0xff & ~0x1); - } - spin_unlock(&priv->lock); -} /* agnx_bss_info_changed */ - - -static void agnx_configure_filter(struct ieee80211_hw *dev, - unsigned int changed_flags, - unsigned int *total_flags, - int mc_count, struct dev_mc_list *mclist) -{ - unsigned int new_flags = 0; - - *total_flags = new_flags; - /* TODO */ -} - -static int agnx_add_interface(struct ieee80211_hw *dev, - struct ieee80211_if_init_conf *conf) -{ - struct agnx_priv *priv = dev->priv; - AGNX_TRACE; - - spin_lock(&priv->lock); - /* FIXME */ - if (priv->mode != NL80211_IFTYPE_MONITOR) - return -EOPNOTSUPP; - - switch (conf->type) { - case NL80211_IFTYPE_STATION: - priv->mode = conf->type; - break; - default: - return -EOPNOTSUPP; - } - - spin_unlock(&priv->lock); - - return 0; -} - -static void agnx_remove_interface(struct ieee80211_hw *dev, - struct ieee80211_if_init_conf *conf) -{ - struct agnx_priv *priv = dev->priv; - AGNX_TRACE; - - /* TODO */ - priv->mode = NL80211_IFTYPE_MONITOR; -} - -static int agnx_get_stats(struct ieee80211_hw *dev, - struct ieee80211_low_level_stats *stats) -{ - struct agnx_priv *priv = dev->priv; - AGNX_TRACE; - spin_lock(&priv->lock); - /* TODO !! */ - memcpy(stats, &priv->stats, sizeof(*stats)); - spin_unlock(&priv->lock); - - return 0; -} - -static u64 agnx_get_tsft(struct ieee80211_hw *dev) -{ - void __iomem *ctl = ((struct agnx_priv *)dev->priv)->ctl; - u32 tsftl; - u64 tsft; - AGNX_TRACE; - - /* FIXME */ - tsftl = ioread32(ctl + AGNX_TXM_TIMESTAMPLO); - tsft = ioread32(ctl + AGNX_TXM_TIMESTAMPHI); - tsft <<= 32; - tsft |= tsftl; - - return tsft; -} - -static int agnx_get_tx_stats(struct ieee80211_hw *dev, - struct ieee80211_tx_queue_stats *stats) -{ - struct agnx_priv *priv = dev->priv; - AGNX_TRACE; - - /* FIXME now we just using txd queue, but should using txm queue too */ - stats[0].len = (priv->txd.idx - priv->txd.idx_sent) / 2; - stats[0].limit = priv->txd.size - 2; - stats[0].count = priv->txd.idx / 2; - - return 0; -} - -static struct ieee80211_ops agnx_ops = { - .tx = agnx_tx, - .start = agnx_start, - .stop = agnx_stop, - .add_interface = agnx_add_interface, - .remove_interface = agnx_remove_interface, - .config = agnx_config, - .bss_info_changed = agnx_bss_info_changed, - .configure_filter = agnx_configure_filter, - .get_stats = agnx_get_stats, - .get_tx_stats = agnx_get_tx_stats, - .get_tsf = agnx_get_tsft -}; - -static void __devexit agnx_pci_remove(struct pci_dev *pdev) -{ - struct ieee80211_hw *dev = pci_get_drvdata(pdev); - struct agnx_priv *priv; - AGNX_TRACE; - - if (!dev) - return; - priv = dev->priv; - ieee80211_unregister_hw(dev); - pci_iounmap(pdev, priv->ctl); - pci_iounmap(pdev, priv->data); - pci_release_regions(pdev); - pci_disable_device(pdev); - - ieee80211_free_hw(dev); -} - -static int __devinit agnx_pci_probe(struct pci_dev *pdev, - const struct pci_device_id *id) -{ - struct ieee80211_hw *dev; - struct agnx_priv *priv; - int err; - - err = pci_enable_device(pdev); - if (err) { - dev_err(&pdev->dev, "can't enable pci device\n"); - return err; - } - - err = pci_request_regions(pdev, "agnx-pci"); - if (err) { - dev_err(&pdev->dev, "can't reserve PCI resources\n"); - return err; - } - - if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) || - pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) { - dev_err(&pdev->dev, "no suitable DMA available\n"); - err = -EIO; - goto err_free_reg; - } - - pci_set_master(pdev); - - dev = ieee80211_alloc_hw(sizeof(*priv), &agnx_ops); - if (!dev) { - dev_err(&pdev->dev, "ieee80211 alloc failed\n"); - err = -ENOMEM; - goto err_free_reg; - } - priv = dev->priv; - memset(priv, 0, sizeof(*priv)); - priv->mode = NL80211_IFTYPE_MONITOR; - priv->pdev = pdev; - priv->hw = dev; - spin_lock_init(&priv->lock); - priv->init_status = AGNX_UNINIT; - - priv->ctl = pci_iomap(pdev, 0, 0); -/* dev_dbg(&pdev->dev, "MEM1 mapped address is 0x%p\n", priv->ctl); */ - if (!priv->ctl) { - dev_err(&pdev->dev, "can't map device memory\n"); - err = -ENOMEM; - goto err_free_dev; - } - priv->data = pci_iomap(pdev, 1, 0); - if (!priv->data) { - dev_err(&pdev->dev, "can't map device memory\n"); - err = -ENOMEM; - goto err_iounmap2; - } - - pci_read_config_byte(pdev, PCI_REVISION_ID, &priv->revid); - - priv->band.channels = (struct ieee80211_channel *)agnx_channels; - priv->band.n_channels = ARRAY_SIZE(agnx_channels); - priv->band.bitrates = (struct ieee80211_rate *)agnx_rates_80211g; - priv->band.n_bitrates = ARRAY_SIZE(agnx_rates_80211g); - - /* Init ieee802.11 dev */ - SET_IEEE80211_DEV(dev, &pdev->dev); - pci_set_drvdata(pdev, dev); - dev->extra_tx_headroom = sizeof(struct agnx_hdr); - - /* FIXME It only include FCS in promious mode but not manage mode */ -/* dev->flags = IEEE80211_HW_RX_INCLUDES_FCS; */ - dev->channel_change_time = 5000; - dev->max_signal = 100; - /* FIXME */ - dev->queues = 1; - - agnx_get_mac_address(priv); - - SET_IEEE80211_PERM_ADDR(dev, priv->mac_addr); - -/* /\* FIXME *\/ */ -/* for (i = 1; i < NUM_DRIVE_MODES; i++) { */ -/* err = ieee80211_register_hwmode(dev, &priv->modes[i]); */ -/* if (err) { */ -/* printk(KERN_ERR PFX "Can't register hwmode\n"); */ -/* goto err_iounmap; */ -/* } */ -/* } */ - - priv->channel = 1; - dev->wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band; - - err = ieee80211_register_hw(dev); - if (err) { - dev_err(&pdev->dev, "can't register hardware\n"); - goto err_iounmap; - } - - agnx_hw_reset(priv); - - dev_info(&pdev->dev, "%s: hwaddr %pM, Rev 0x%02x\n", - wiphy_name(dev->wiphy), - dev->wiphy->perm_addr, priv->revid); - return 0; - - err_iounmap: - pci_iounmap(pdev, priv->data); - - err_iounmap2: - pci_iounmap(pdev, priv->ctl); - - err_free_dev: - pci_set_drvdata(pdev, NULL); - ieee80211_free_hw(dev); - - err_free_reg: - pci_release_regions(pdev); - - pci_disable_device(pdev); - return err; -} /* agnx_pci_probe*/ - -#ifdef CONFIG_PM - -static int agnx_pci_suspend(struct pci_dev *pdev, pm_message_t state) -{ - struct ieee80211_hw *dev = pci_get_drvdata(pdev); - AGNX_TRACE; - - ieee80211_stop_queues(dev); - agnx_stop(dev); - - pci_save_state(pdev); - pci_set_power_state(pdev, pci_choose_state(pdev, state)); - return 0; -} - -static int agnx_pci_resume(struct pci_dev *pdev) -{ - struct ieee80211_hw *dev = pci_get_drvdata(pdev); - AGNX_TRACE; - - pci_set_power_state(pdev, PCI_D0); - pci_restore_state(pdev); - - agnx_start(dev); - ieee80211_wake_queues(dev); - - return 0; -} - -#else - -#define agnx_pci_suspend NULL -#define agnx_pci_resume NULL - -#endif /* CONFIG_PM */ - - -static struct pci_driver agnx_pci_driver = { - .name = "agnx-pci", - .id_table = agnx_pci_id_tbl, - .probe = agnx_pci_probe, - .remove = __devexit_p(agnx_pci_remove), - .suspend = agnx_pci_suspend, - .resume = agnx_pci_resume, -}; - -static int __init agnx_pci_init(void) -{ - AGNX_TRACE; - return pci_register_driver(&agnx_pci_driver); -} - -static void __exit agnx_pci_exit(void) -{ - AGNX_TRACE; - pci_unregister_driver(&agnx_pci_driver); -} - - -module_init(agnx_pci_init); -module_exit(agnx_pci_exit); diff --git a/drivers/staging/agnx/phy.c b/drivers/staging/agnx/phy.c deleted file mode 100644 index ec1ca86fa0c..00000000000 --- a/drivers/staging/agnx/phy.c +++ /dev/null @@ -1,960 +0,0 @@ -/** - * Airgo MIMO wireless driver - * - * Copyright (c) 2007 Li YanBo <dreamfly281@gmail.com> - - * Thanks for Jeff Williams <angelbane@gmail.com> do reverse engineer - * works and published the SPECS at http://airgo.wdwconsulting.net/mymoin - - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/init.h> -#include <linux/etherdevice.h> -#include <linux/pci.h> -#include <linux/delay.h> -#include "agnx.h" -#include "debug.h" -#include "phy.h" -#include "table.h" -#include "sta.h" -#include "xmit.h" - -u8 read_from_eeprom(struct agnx_priv *priv, u16 address) -{ - void __iomem *ctl = priv->ctl; - struct agnx_eeprom cmd; - u32 reg; - - memset(&cmd, 0, sizeof(cmd)); - cmd.cmd = EEPROM_CMD_READ << AGNX_EEPROM_COMMAND_SHIFT; - cmd.address = address; - /* Verify that the Status bit is clear */ - /* Read Command and Address are written to the Serial Interface */ - iowrite32(*(__le32 *)&cmd, ctl + AGNX_CIR_SERIALITF); - /* Wait for the Status bit to clear again */ - eeprom_delay(); - /* Read from Data */ - reg = ioread32(ctl + AGNX_CIR_SERIALITF); - - cmd = *(struct agnx_eeprom *)® - - return cmd.data; -} - -static int card_full_reset(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - u32 reg; - AGNX_TRACE; - - reg = agnx_read32(ctl, AGNX_CIR_BLKCTL); - agnx_write32(ctl, AGNX_CIR_BLKCTL, 0x80); - reg = agnx_read32(ctl, AGNX_CIR_BLKCTL); - return 0; -} - -inline void enable_power_saving(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - u32 reg; - - reg = agnx_read32(ctl, AGNX_PM_PMCTL); - reg &= ~0x8; - agnx_write32(ctl, AGNX_PM_PMCTL, reg); -} - -inline void disable_power_saving(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - u32 reg; - - reg = agnx_read32(ctl, AGNX_PM_PMCTL); - reg |= 0x8; - agnx_write32(ctl, AGNX_PM_PMCTL, reg); -} - - -void disable_receiver(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - AGNX_TRACE; - - /* FIXME Disable the receiver */ - agnx_write32(ctl, AGNX_GCR_DISCOVMOD, 0x0); - /* Set gain control reset */ - agnx_write32(ctl, AGNX_GCR_RSTGCTL, 0x1); - /* Reset gain control reset */ - agnx_write32(ctl, AGNX_GCR_RSTGCTL, 0x0); -} - - -/* Fixme this shoule be disable RX, above is enable RX */ -void enable_receiver(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - AGNX_TRACE; - - /* Set adaptive gain control discovery mode */ - agnx_write32(ctl, AGNX_GCR_DISCOVMOD, 0x3); - /* Set gain control reset */ - agnx_write32(ctl, AGNX_GCR_RSTGCTL, 0x1); - /* Clear gain control reset */ - agnx_write32(ctl, AGNX_GCR_RSTGCTL, 0x0); -} - -static void mac_address_set(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - u8 *mac_addr = priv->mac_addr; - u32 reg; - - /* FIXME */ - reg = (mac_addr[0] << 24) | (mac_addr[1] << 16) | mac_addr[2] << 8 | mac_addr[3]; - iowrite32(reg, ctl + AGNX_RXM_MACHI); - reg = (mac_addr[4] << 8) | mac_addr[5]; - iowrite32(reg, ctl + AGNX_RXM_MACLO); -} - -static void receiver_bssid_set(struct agnx_priv *priv, const u8 *bssid) -{ - void __iomem *ctl = priv->ctl; - u32 reg; - - disable_receiver(priv); - /* FIXME */ - reg = bssid[0] << 24 | (bssid[1] << 16) | (bssid[2] << 8) | bssid[3]; - iowrite32(reg, ctl + AGNX_RXM_BSSIDHI); - reg = (bssid[4] << 8) | bssid[5]; - iowrite32(reg, ctl + AGNX_RXM_BSSIDLO); - - /* Enable the receiver */ - enable_receiver(priv); - - /* Clear the TSF */ -/* agnx_write32(ctl, AGNX_TXM_TSFLO, 0x0); */ -/* agnx_write32(ctl, AGNX_TXM_TSFHI, 0x0); */ - /* Clear the TBTT */ - agnx_write32(ctl, AGNX_TXM_TBTTLO, 0x0); - agnx_write32(ctl, AGNX_TXM_TBTTHI, 0x0); - disable_receiver(priv); -} /* receiver_bssid_set */ - -static void band_management_init(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - void __iomem *data = priv->data; - u32 reg; - int i; - AGNX_TRACE; - - agnx_write32(ctl, AGNX_BM_TXWADDR, AGNX_PDU_TX_WQ); - agnx_write32(ctl, AGNX_CIR_ADDRWIN, 0x0); - memset_io(data + AGNX_PDUPOOL, 0x0, AGNX_PDUPOOL_SIZE); - agnx_write32(ctl, AGNX_BM_BMCTL, 0x200); - - agnx_write32(ctl, AGNX_BM_CIPDUWCNT, 0x40); - agnx_write32(ctl, AGNX_BM_SPPDUWCNT, 0x2); - agnx_write32(ctl, AGNX_BM_RFPPDUWCNT, 0x0); - agnx_write32(ctl, AGNX_BM_RHPPDUWCNT, 0x22); - - /* FIXME Initialize the Free Pool Linked List */ - /* 1. Write the Address of the Next Node ((0x41800 + node*size)/size) - to the first word of each node. */ - for (i = 0; i < PDU_FREE_CNT; i++) { - iowrite32((AGNX_PDU_FREE + (i+1)*PDU_SIZE)/PDU_SIZE, - data + AGNX_PDU_FREE + (PDU_SIZE * i)); - /* The last node should be set to 0x0 */ - if ((i + 1) == PDU_FREE_CNT) - memset_io(data + AGNX_PDU_FREE + (PDU_SIZE * i), - 0x0, PDU_SIZE); - } - - /* Head is First Pool address (0x41800) / size (0x80) */ - agnx_write32(ctl, AGNX_BM_FPLHP, AGNX_PDU_FREE/PDU_SIZE); - /* Tail is Last Pool Address (0x47f80) / size (0x80) */ - agnx_write32(ctl, AGNX_BM_FPLTP, 0x47f80/PDU_SIZE); - /* Count is Number of Nodes in the Pool (0xd0) */ - agnx_write32(ctl, AGNX_BM_FPCNT, PDU_FREE_CNT); - - /* Start all workqueue */ - agnx_write32(ctl, AGNX_BM_CIWQCTL, 0x80000); - agnx_write32(ctl, AGNX_BM_CPULWCTL, 0x80000); - agnx_write32(ctl, AGNX_BM_CPUHWCTL, 0x80000); - agnx_write32(ctl, AGNX_BM_CPUTXWCTL, 0x80000); - agnx_write32(ctl, AGNX_BM_CPURXWCTL, 0x80000); - agnx_write32(ctl, AGNX_BM_SPRXWCTL, 0x80000); - agnx_write32(ctl, AGNX_BM_SPTXWCTL, 0x80000); - agnx_write32(ctl, AGNX_BM_RFPWCTL, 0x80000); - - /* Enable the Band Management */ - reg = agnx_read32(ctl, AGNX_BM_BMCTL); - reg |= 0x1; - agnx_write32(ctl, AGNX_BM_BMCTL, reg); -} /* band_managment_init */ - - -static void system_itf_init(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - u32 reg; - AGNX_TRACE; - - agnx_write32(ctl, AGNX_SYSITF_GPIOUT, 0x0); - agnx_write32(ctl, AGNX_PM_TESTPHY, 0x11e143a); - - if (priv->revid == 0) { - reg = agnx_read32(ctl, AGNX_SYSITF_SYSMODE); - reg |= 0x11; - agnx_write32(ctl, AGNX_SYSITF_SYSMODE, reg); - } - /* ??? What is that means? it should difference for differice type - of cards */ - agnx_write32(ctl, AGNX_CIR_SERIALITF, 0xfff81006); - - agnx_write32(ctl, AGNX_SYSITF_GPIOIN, 0x1f0000); - agnx_write32(ctl, AGNX_SYSITF_GPIOUT, 0x5); - reg = agnx_read32(ctl, AGNX_SYSITF_GPIOIN); -} - -static void encryption_init(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - AGNX_TRACE; - - agnx_write32(ctl, AGNX_ENCRY_WEPKEY0, 0x0); - agnx_write32(ctl, AGNX_ENCRY_WEPKEY1, 0x0); - agnx_write32(ctl, AGNX_ENCRY_WEPKEY2, 0x0); - agnx_write32(ctl, AGNX_ENCRY_WEPKEY3, 0x0); - agnx_write32(ctl, AGNX_ENCRY_CCMRECTL, 0x8); -} - -static void tx_management_init(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - void __iomem *data = priv->data; - u32 reg; - AGNX_TRACE; - - /* Fill out the ComputationalEngineLookupTable - * starting at memory #2 offset 0x800 - */ - tx_engine_lookup_tbl_init(priv); - memset_io(data + 0x1000, 0, 0xfe0); - /* Enable Transmission Management Functions */ - agnx_write32(ctl, AGNX_TXM_ETMF, 0x3ff); - /* Write 0x3f to Transmission Template */ - agnx_write32(ctl, AGNX_TXM_TXTEMP, 0x3f); - - if (priv->revid >= 2) - agnx_write32(ctl, AGNX_TXM_SIFSPIFS, 0x1e140a0b); - else - agnx_write32(ctl, AGNX_TXM_SIFSPIFS, 0x1e190a0b); - - reg = agnx_read32(ctl, AGNX_TXM_TIFSEIFS); - reg &= 0xff00; - reg |= 0xb; - agnx_write32(ctl, AGNX_TXM_TIFSEIFS, reg); - reg = agnx_read32(ctl, AGNX_TXM_TIFSEIFS); - reg &= 0xffff00ff; - reg |= 0xa00; - agnx_write32(ctl, AGNX_TXM_TIFSEIFS, reg); - /* Enable TIFS */ - agnx_write32(ctl, AGNX_TXM_CTL, 0x40000); - - reg = agnx_read32(ctl, AGNX_TXM_TIFSEIFS); - reg &= 0xff00ffff; - reg |= 0x510000; - agnx_write32(ctl, AGNX_TXM_TIFSEIFS, reg); - reg = agnx_read32(ctl, AGNX_TXM_PROBDELAY); - reg &= 0xff00ffff; - agnx_write32(ctl, AGNX_TXM_PROBDELAY, reg); - reg = agnx_read32(ctl, AGNX_TXM_TIFSEIFS); - reg &= 0x00ffffff; - reg |= 0x1c000000; - agnx_write32(ctl, AGNX_TXM_TIFSEIFS, reg); - reg = agnx_read32(ctl, AGNX_TXM_PROBDELAY); - reg &= 0x00ffffff; - reg |= 0x01000000; - agnx_write32(ctl, AGNX_TXM_PROBDELAY, reg); - - /* # Set DIF 0-1,2-3,4-5,6-7 to defaults */ - agnx_write32(ctl, AGNX_TXM_DIF01, 0x321d321d); - agnx_write32(ctl, AGNX_TXM_DIF23, 0x321d321d); - agnx_write32(ctl, AGNX_TXM_DIF45, 0x321d321d); - agnx_write32(ctl, AGNX_TXM_DIF67, 0x321d321d); - - /* Max Ack timeout limit */ - agnx_write32(ctl, AGNX_TXM_MAXACKTIM, 0x1e19); - /* Max RX Data Timeout count, */ - reg = agnx_read32(ctl, AGNX_TXM_MAXRXTIME); - reg &= 0xffff0000; - reg |= 0xff; - agnx_write32(ctl, AGNX_TXM_MAXRXTIME, reg); - - /* CF poll RX Timeout count */ - reg = agnx_read32(ctl, AGNX_TXM_CFPOLLRXTIM); - reg &= 0xffff; - reg |= 0xff0000; - agnx_write32(ctl, AGNX_TXM_CFPOLLRXTIM, reg); - - /* Max Timeout Exceeded count, */ - reg = agnx_read32(ctl, AGNX_TXM_MAXTIMOUT); - reg &= 0xff00ffff; - reg |= 0x190000; - agnx_write32(ctl, AGNX_TXM_MAXTIMOUT, reg); - - /* CF ack timeout limit for 11b */ - reg = agnx_read32(ctl, AGNX_TXM_CFACKT11B); - reg &= 0xff00; - reg |= 0x1e; - agnx_write32(ctl, AGNX_TXM_CFACKT11B, reg); - - /* Max CF Poll Timeout Count */ - reg = agnx_read32(ctl, AGNX_TXM_CFPOLLRXTIM); - reg &= 0xffff0000; - reg |= 0x19; - agnx_write32(ctl, AGNX_TXM_CFPOLLRXTIM, reg); - /* CF Poll RX Timeout Count */ - reg = agnx_read32(ctl, AGNX_TXM_CFPOLLRXTIM); - reg &= 0xffff0000; - reg |= 0x1e; - agnx_write32(ctl, AGNX_TXM_CFPOLLRXTIM, reg); - - /* # write default to */ - /* 1. Schedule Empty Count */ - agnx_write32(ctl, AGNX_TXM_SCHEMPCNT, 0x5); - /* 2. CFP Period Count */ - agnx_write32(ctl, AGNX_TXM_CFPERCNT, 0x1); - /* 3. CFP MDV */ - agnx_write32(ctl, AGNX_TXM_CFPMDV, 0x10000); - - /* Probe Delay */ - reg = agnx_read32(ctl, AGNX_TXM_PROBDELAY); - reg &= 0xffff0000; - reg |= 0x400; - agnx_write32(ctl, AGNX_TXM_PROBDELAY, reg); - - /* Max CCA count Slot */ - reg = agnx_read32(ctl, AGNX_TXM_MAXCCACNTSLOT); - reg &= 0xffff00ff; - reg |= 0x900; - agnx_write32(ctl, AGNX_TXM_MAXCCACNTSLOT, reg); - - /* Slot limit/1 msec Limit */ - reg = agnx_read32(ctl, AGNX_TXM_SLOTLIMIT); - reg &= 0xff00ffff; - reg |= 0x140077; - agnx_write32(ctl, AGNX_TXM_SLOTLIMIT, reg); - - /* # Set CW #(0-7) to default */ - agnx_write32(ctl, AGNX_TXM_CW0, 0xff0007); - agnx_write32(ctl, AGNX_TXM_CW1, 0xff0007); - agnx_write32(ctl, AGNX_TXM_CW2, 0xff0007); - agnx_write32(ctl, AGNX_TXM_CW3, 0xff0007); - agnx_write32(ctl, AGNX_TXM_CW4, 0xff0007); - agnx_write32(ctl, AGNX_TXM_CW5, 0xff0007); - agnx_write32(ctl, AGNX_TXM_CW6, 0xff0007); - agnx_write32(ctl, AGNX_TXM_CW7, 0xff0007); - - /* # Set Short/Long limit #(0-7) to default */ - agnx_write32(ctl, AGNX_TXM_SLBEALIM0, 0xa000a); - agnx_write32(ctl, AGNX_TXM_SLBEALIM1, 0xa000a); - agnx_write32(ctl, AGNX_TXM_SLBEALIM2, 0xa000a); - agnx_write32(ctl, AGNX_TXM_SLBEALIM3, 0xa000a); - agnx_write32(ctl, AGNX_TXM_SLBEALIM4, 0xa000a); - agnx_write32(ctl, AGNX_TXM_SLBEALIM5, 0xa000a); - agnx_write32(ctl, AGNX_TXM_SLBEALIM6, 0xa000a); - agnx_write32(ctl, AGNX_TXM_SLBEALIM7, 0xa000a); - - reg = agnx_read32(ctl, AGNX_TXM_CTL); - reg |= 0x1400; - agnx_write32(ctl, AGNX_TXM_CTL, reg); - /* Wait for bit 0 in Control Reg to clear */ - udelay(80); - reg = agnx_read32(ctl, AGNX_TXM_CTL); - /* Or 0x18000 to Control reg */ - reg = agnx_read32(ctl, AGNX_TXM_CTL); - reg |= 0x18000; - agnx_write32(ctl, AGNX_TXM_CTL, reg); - /* Wait for bit 0 in Control Reg to clear */ - udelay(80); - reg = agnx_read32(ctl, AGNX_TXM_CTL); - - /* Set Listen Interval Count to default */ - agnx_write32(ctl, AGNX_TXM_LISINTERCNT, 0x1); - /* Set DTIM period count to default */ - agnx_write32(ctl, AGNX_TXM_DTIMPERICNT, 0x2000); -} /* tx_management_init */ - -static void rx_management_init(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - AGNX_TRACE; - - /* Initialize the Routing Table */ - routing_table_init(priv); - - if (priv->revid >= 3) { - agnx_write32(ctl, 0x2074, 0x1f171710); - agnx_write32(ctl, 0x2078, 0x10100d0d); - agnx_write32(ctl, 0x207c, 0x11111010); - } else { - agnx_write32(ctl, AGNX_RXM_DELAY11, 0x0); - } - agnx_write32(ctl, AGNX_RXM_REQRATE, 0x8195e00); -} - - -static void agnx_timer_init(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - AGNX_TRACE; - -/* /\* Write 0x249f00 (tick duration?) to Timer 1 *\/ */ -/* agnx_write32(ctl, AGNX_TIMCTL_TIMER1, 0x249f00); */ -/* /\* Write 0xe2 to Timer 1 Control *\/ */ -/* agnx_write32(ctl, AGNX_TIMCTL_TIM1CTL, 0xe2); */ - - /* Write 0x249f00 (tick duration?) to Timer 1 */ - agnx_write32(ctl, AGNX_TIMCTL_TIMER1, 0x0); - /* Write 0xe2 to Timer 1 Control */ - agnx_write32(ctl, AGNX_TIMCTL_TIM1CTL, 0x0); - - iowrite32(0xFFFFFFFF, priv->ctl + AGNX_TXM_BEACON_CTL); -} - -static void power_manage_init(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - u32 reg; - AGNX_TRACE; - - agnx_write32(ctl, AGNX_PM_MACMSW, 0x1f); - agnx_write32(ctl, AGNX_PM_RFCTL, 0x1f); - - reg = agnx_read32(ctl, AGNX_PM_PMCTL); - reg &= 0xf00f; - reg |= 0xa0; - agnx_write32(ctl, AGNX_PM_PMCTL, reg); - - if (priv->revid >= 3) { - reg = agnx_read32(ctl, AGNX_PM_SOFTRST); - reg |= 0x18; - agnx_write32(ctl, AGNX_PM_SOFTRST, reg); - } -} /* power_manage_init */ - - -static void gain_ctlcnt_init(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - u32 reg; - AGNX_TRACE; - - agnx_write32(ctl, AGNX_GCR_TRACNT5, 0x119); - agnx_write32(ctl, AGNX_GCR_TRACNT6, 0x118); - agnx_write32(ctl, AGNX_GCR_TRACNT7, 0x117); - - reg = agnx_read32(ctl, AGNX_PM_PMCTL); - reg |= 0x8; - agnx_write32(ctl, AGNX_PM_PMCTL, reg); - - reg = agnx_read32(ctl, AGNX_PM_PMCTL); - reg &= ~0x8; - agnx_write32(ctl, AGNX_PM_PMCTL, reg); - - agnx_write32(ctl, AGNX_CIR_ADDRWIN, 0x0); - - /* FIXME Write the initial Station Descriptor for the card */ - sta_init(priv, LOCAL_STAID); - sta_init(priv, BSSID_STAID); - - /* Enable staion 0 and 1 can do TX */ - /* It seemed if we set other bit to 1 the bit 0 will - be auto change to 0 */ - agnx_write32(ctl, AGNX_BM_TXTOPEER, 0x2 | 0x1); -/* agnx_write32(ctl, AGNX_BM_TXTOPEER, 0x1); */ -} /* gain_ctlcnt_init */ - - -static void phy_init(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - void __iomem *data = priv->data; - u32 reg; - AGNX_TRACE; - - /* Load InitialGainTable */ - gain_table_init(priv); - - agnx_write32(ctl, AGNX_CIR_ADDRWIN, 0x2000000); - - /* Clear the following offsets in Memory Range #2: */ - memset_io(data + 0x5040, 0, 0xa * 4); - memset_io(data + 0x5080, 0, 0xa * 4); - memset_io(data + 0x50c0, 0, 0xa * 4); - memset_io(data + 0x5400, 0, 0x80 * 4); - memset_io(data + 0x6000, 0, 0x280 * 4); - memset_io(data + 0x7000, 0, 0x280 * 4); - memset_io(data + 0x8000, 0, 0x280 * 4); - - /* Initialize the Following Registers According to PCI Revision ID */ - if (priv->revid == 0) { - /* fixme the part hasn't been update but below has been update - based on WGM511 */ - agnx_write32(ctl, AGNX_ACI_LEN, 0xf); - agnx_write32(ctl, AGNX_ACI_TIMER1, 0x1d); - agnx_write32(ctl, AGNX_ACI_TIMER2, 0x3); - agnx_write32(ctl, AGNX_ACI_AICCHA0OVE, 0x11); - agnx_write32(ctl, AGNX_ACI_AICCHA1OVE, 0x0); - agnx_write32(ctl, AGNX_GCR_THD0A, 0x64); - agnx_write32(ctl, AGNX_GCR_THD0AL, 0x4b); - agnx_write32(ctl, AGNX_GCR_THD0B, 0x4b); - agnx_write32(ctl, AGNX_GCR_DUNSAT, 0x14); - agnx_write32(ctl, AGNX_GCR_DSAT, 0x24); - agnx_write32(ctl, AGNX_GCR_DFIRCAL, 0x8); - agnx_write32(ctl, AGNX_GCR_DGCTL11A, 0x1a); - agnx_write32(ctl, AGNX_GCR_DGCTL11B, 0x3); - agnx_write32(ctl, AGNX_GCR_GAININIT, 0xd); - agnx_write32(ctl, AGNX_GCR_THNOSIG, 0x1); - agnx_write32(ctl, AGNX_GCR_COARSTEP, 0x7); - agnx_write32(ctl, AGNX_GCR_SIFST11A, 0x28); - agnx_write32(ctl, AGNX_GCR_SIFST11B, 0x28); - reg = agnx_read32(ctl, AGNX_GCR_CWDETEC); - reg |= 0x1; - agnx_write32(ctl, AGNX_GCR_CWDETEC, reg); - agnx_write32(ctl, AGNX_GCR_0X38, 0x1e); - agnx_write32(ctl, AGNX_GCR_BOACT, 0x26); - agnx_write32(ctl, AGNX_GCR_DISCOVMOD, 0x3); - agnx_write32(ctl, AGNX_GCR_NLISTANT, 0x3); - agnx_write32(ctl, AGNX_GCR_NACTIANT, 0x3); - agnx_write32(ctl, AGNX_GCR_NMEASANT, 0x3); - agnx_write32(ctl, AGNX_GCR_NCAPTANT, 0x3); - agnx_write32(ctl, AGNX_GCR_THCAP11A, 0x0); - agnx_write32(ctl, AGNX_GCR_THCAP11B, 0x0); - agnx_write32(ctl, AGNX_GCR_THCAPRX11A, 0x0); - agnx_write32(ctl, AGNX_GCR_THCAPRX11B, 0x0); - agnx_write32(ctl, AGNX_GCR_THLEVDRO, 0x10); - agnx_write32(ctl, AGNX_GCR_MAXRXTIME11A, 0x1); - agnx_write32(ctl, AGNX_GCR_MAXRXTIME11B, 0x1); - agnx_write32(ctl, AGNX_GCR_CORRTIME, 0x190); - agnx_write32(ctl, AGNX_GCR_SIGHTH, 0x78); - agnx_write32(ctl, AGNX_GCR_SIGLTH, 0x1c); - agnx_write32(ctl, AGNX_GCR_CORRDROP, 0x0); - agnx_write32(ctl, AGNX_GCR_THCD, 0x0); - agnx_write32(ctl, AGNX_GCR_MAXPOWDIFF, 0x1); - agnx_write32(ctl, AGNX_GCR_TESTBUS, 0x0); - agnx_write32(ctl, AGNX_GCR_ANTCFG, 0x1f); - agnx_write32(ctl, AGNX_GCR_THJUMP, 0x14); - agnx_write32(ctl, AGNX_GCR_THPOWER, 0x0); - agnx_write32(ctl, AGNX_GCR_THPOWCLIP, 0x30); - agnx_write32(ctl, AGNX_GCR_THD0BTFEST, 0x32); - agnx_write32(ctl, AGNX_GCR_THRX11BPOWMIN, 0x19); - agnx_write32(ctl, AGNX_GCR_0X14c, 0x0); - agnx_write32(ctl, AGNX_GCR_0X150, 0x0); - agnx_write32(ctl, 0x9400, 0x0); - agnx_write32(ctl, 0x940c, 0x6ff); - agnx_write32(ctl, 0x9428, 0xa0); - agnx_write32(ctl, 0x9434, 0x0); - agnx_write32(ctl, 0x9c04, 0x15); - agnx_write32(ctl, 0x9c0c, 0x7f); - agnx_write32(ctl, 0x9c34, 0x0); - agnx_write32(ctl, 0xc000, 0x38d); - agnx_write32(ctl, 0x14018, 0x0); - agnx_write32(ctl, 0x16000, 0x1); - agnx_write32(ctl, 0x11004, 0x0); - agnx_write32(ctl, 0xec54, 0xa); - agnx_write32(ctl, 0xec1c, 0x5); - } else if (priv->revid > 0) { - agnx_write32(ctl, AGNX_ACI_LEN, 0xf); - agnx_write32(ctl, AGNX_ACI_TIMER1, 0x21); - agnx_write32(ctl, AGNX_ACI_TIMER2, 0x27); - agnx_write32(ctl, AGNX_ACI_AICCHA0OVE, 0x11); - agnx_write32(ctl, AGNX_ACI_AICCHA1OVE, 0x0); - agnx_write32(ctl, AGNX_GCR_DUNSAT, 0x14); - agnx_write32(ctl, AGNX_GCR_DSAT, 0x24); - agnx_write32(ctl, AGNX_GCR_DFIRCAL, 0x8); - agnx_write32(ctl, AGNX_GCR_DGCTL11A, 0x1a); - agnx_write32(ctl, AGNX_GCR_DGCTL11B, 0x3); - agnx_write32(ctl, AGNX_GCR_GAININIT, 0xd); - agnx_write32(ctl, AGNX_GCR_THNOSIG, 0x1); - agnx_write32(ctl, AGNX_GCR_COARSTEP, 0x7); - agnx_write32(ctl, AGNX_GCR_SIFST11A, 0x28); - agnx_write32(ctl, AGNX_GCR_SIFST11B, 0x28); - agnx_write32(ctl, AGNX_GCR_CWDETEC, 0x0); - agnx_write32(ctl, AGNX_GCR_0X38, 0x1e); -/* agnx_write32(ctl, AGNX_GCR_BOACT, 0x26);*/ - agnx_write32(ctl, AGNX_GCR_DISCOVMOD, 0x3); - - agnx_write32(ctl, AGNX_GCR_THCAP11A, 0x32); - agnx_write32(ctl, AGNX_GCR_THCAP11B, 0x32); - agnx_write32(ctl, AGNX_GCR_THCAPRX11A, 0x32); - agnx_write32(ctl, AGNX_GCR_THCAPRX11B, 0x32); - agnx_write32(ctl, AGNX_GCR_THLEVDRO, 0x10); - agnx_write32(ctl, AGNX_GCR_MAXRXTIME11A, 0x1ad); - agnx_write32(ctl, AGNX_GCR_MAXRXTIME11B, 0xa10); - agnx_write32(ctl, AGNX_GCR_CORRTIME, 0x190); - agnx_write32(ctl, AGNX_GCR_CORRDROP, 0x0); - agnx_write32(ctl, AGNX_GCR_THCD, 0x0); - agnx_write32(ctl, AGNX_GCR_THCS, 0x0); - agnx_write32(ctl, AGNX_GCR_MAXPOWDIFF, 0x4); - agnx_write32(ctl, AGNX_GCR_TESTBUS, 0x0); - agnx_write32(ctl, AGNX_GCR_THJUMP, 0x1e); - agnx_write32(ctl, AGNX_GCR_THPOWER, 0x0); - agnx_write32(ctl, AGNX_GCR_THPOWCLIP, 0x2a); - agnx_write32(ctl, AGNX_GCR_THD0BTFEST, 0x3c); - agnx_write32(ctl, AGNX_GCR_THRX11BPOWMIN, 0x19); - agnx_write32(ctl, AGNX_GCR_0X14c, 0x0); - agnx_write32(ctl, AGNX_GCR_0X150, 0x0); - agnx_write32(ctl, AGNX_GCR_RXOVERIDE, 0x0); - agnx_write32(ctl, AGNX_GCR_WATCHDOG, 0x37); - agnx_write32(ctl, 0x9400, 0x0); - agnx_write32(ctl, 0x940c, 0x6ff); - agnx_write32(ctl, 0x9428, 0xa0); - agnx_write32(ctl, 0x9434, 0x0); - agnx_write32(ctl, 0x9c04, 0x15); - agnx_write32(ctl, 0x9c0c, 0x7f); - agnx_write32(ctl, 0x9c34, 0x0); - agnx_write32(ctl, 0xc000, 0x38d); - agnx_write32(ctl, 0x14014, 0x1000); - agnx_write32(ctl, 0x14018, 0x0); - agnx_write32(ctl, 0x16000, 0x1); - agnx_write32(ctl, 0x11004, 0x0); - agnx_write32(ctl, 0xec54, 0xa); - agnx_write32(ctl, 0xec1c, 0x50); - } else if (priv->revid > 1) { - reg = agnx_read32(ctl, 0xec18); - reg |= 0x8; - agnx_write32(ctl, 0xec18, reg); - } - - /* Write the TX Fir Coefficient Table */ - tx_fir_table_init(priv); - - reg = agnx_read32(ctl, AGNX_PM_PMCTL); - reg &= ~0x8; - agnx_write32(ctl, AGNX_PM_PMCTL, reg); - reg = agnx_read32(ctl, AGNX_PM_PLLCTL); - reg |= 0x1; - agnx_write32(ctl, AGNX_PM_PLLCTL, reg); - -/* reg = agnx_read32(ctl, 0x1a030); */ -/* reg &= ~0x4; */ -/* agnx_write32(ctl, 0x1a030, reg); */ - - agnx_write32(ctl, AGNX_GCR_TRACNT4, 0x113); -} /* phy_init */ - -static void chip_init(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - u32 reg; - AGNX_TRACE; - - band_management_init(priv); - - rf_chips_init(priv); - - reg = agnx_read32(ctl, AGNX_PM_PMCTL); - reg |= 0x8; - agnx_write32(ctl, AGNX_PM_PMCTL, reg); - - /* Initialize the PHY */ - phy_init(priv); - - encryption_init(priv); - - tx_management_init(priv); - - rx_management_init(priv); - - power_manage_init(priv); - - /* Initialize the Timers */ - agnx_timer_init(priv); - - /* Write 0xc390bf9 to Interrupt Mask (Disable TX) */ - reg = 0xc390bf9 & ~IRQ_TX_BEACON; - reg &= ~IRQ_TX_DISABLE; - agnx_write32(ctl, AGNX_INT_MASK, reg); - - reg = agnx_read32(ctl, AGNX_CIR_BLKCTL); - reg |= 0x800; - agnx_write32(ctl, AGNX_CIR_BLKCTL, reg); - - /* set it when need get multicast enable? */ - agnx_write32(ctl, AGNX_BM_MTSM, 0xff); -} /* chip_init */ - - -static inline void set_promis_and_managed(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - agnx_write32(ctl, AGNX_SYSITF_SYSMODE, 0x10 | 0x2); - agnx_write32(ctl, AGNX_SYSITF_SYSMODE, 0x10 | 0x2); -} -static inline void set_learn_mode(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - agnx_write32(ctl, AGNX_SYSITF_SYSMODE, 0x8); -} -static inline void set_scan_mode(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - agnx_write32(ctl, AGNX_SYSITF_SYSMODE, 0x20); -} -static inline void set_promiscuous_mode(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - /* agnx_write32(ctl, AGNX_SYSITF_SYSMODE, 0x210);*/ - agnx_write32(ctl, AGNX_SYSITF_SYSMODE, 0x10); -} -static inline void set_managed_mode(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - agnx_write32(ctl, AGNX_SYSITF_SYSMODE, 0x2); -} -static inline void set_adhoc_mode(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - agnx_write32(ctl, AGNX_SYSITF_SYSMODE, 0x0); -} - -#if 0 -static void unknow_register_write(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - - agnx_write32(ctl, AGNX_UNKNOWN_BASE + 0x0, 0x3e); - agnx_write32(ctl, AGNX_UNKNOWN_BASE + 0x4, 0xb2); - agnx_write32(ctl, AGNX_UNKNOWN_BASE + 0x8, 0x140); - agnx_write32(ctl, AGNX_UNKNOWN_BASE + 0xc, 0x1C0); - agnx_write32(ctl, AGNX_UNKNOWN_BASE + 0x10, 0x1FF); - agnx_write32(ctl, AGNX_UNKNOWN_BASE + 0x14, 0x1DD); - agnx_write32(ctl, AGNX_UNKNOWN_BASE + 0x18, 0x15F); - agnx_write32(ctl, AGNX_UNKNOWN_BASE + 0x1c, 0xA1); - agnx_write32(ctl, AGNX_UNKNOWN_BASE + 0x20, 0x3E7); - agnx_write32(ctl, AGNX_UNKNOWN_BASE + 0x24, 0x36B); - agnx_write32(ctl, AGNX_UNKNOWN_BASE + 0x28, 0x348); - agnx_write32(ctl, AGNX_UNKNOWN_BASE + 0x2c, 0x37D); - agnx_write32(ctl, AGNX_UNKNOWN_BASE + 0x30, 0x3DE); - agnx_write32(ctl, AGNX_UNKNOWN_BASE + 0x34, 0x36); - agnx_write32(ctl, AGNX_UNKNOWN_BASE + 0x38, 0x64); - agnx_write32(ctl, AGNX_UNKNOWN_BASE + 0x3c, 0x57); - agnx_write32(ctl, AGNX_UNKNOWN_BASE + 0x40, 0x23); - agnx_write32(ctl, AGNX_UNKNOWN_BASE + 0x44, 0x3ED); - agnx_write32(ctl, AGNX_UNKNOWN_BASE + 0x48, 0x3C9); - agnx_write32(ctl, AGNX_UNKNOWN_BASE + 0x4c, 0x3CA); - agnx_write32(ctl, AGNX_UNKNOWN_BASE + 0x50, 0x3E7); - agnx_write32(ctl, AGNX_UNKNOWN_BASE + 0x54, 0x8); - agnx_write32(ctl, AGNX_UNKNOWN_BASE + 0x58, 0x1F); - agnx_write32(ctl, AGNX_UNKNOWN_BASE + 0x5c, 0x1a); -} -#endif - -static void card_interface_init(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - u8 bssid[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; - u32 reg; - unsigned int i; - AGNX_TRACE; - - might_sleep(); - /* Clear RX Control and Enable RX queues */ - agnx_write32(ctl, AGNX_CIR_RXCTL, 0x8); - - might_sleep(); - /* Do a full reset of the card */ - card_full_reset(priv); - might_sleep(); - - /* Check and set Card Endianness */ - reg = ioread32(priv->ctl + AGNX_CIR_ENDIAN); - /* TODO If not 0xB3B2B1B0 set to 0xB3B2B1B0 */ - printk(KERN_INFO PFX "CIR_ENDIAN is %x\n", reg); - - - /* Config the eeprom */ - agnx_write32(ctl, AGNX_CIR_SERIALITF, 0x7000086); - udelay(10); - reg = agnx_read32(ctl, AGNX_CIR_SERIALITF); - - - agnx_write32(ctl, AGNX_PM_SOFTRST, 0x80000033); - reg = agnx_read32(ctl, 0xec50); - reg |= 0xf; - agnx_write32(ctl, 0xec50, reg); - agnx_write32(ctl, AGNX_PM_SOFTRST, 0x0); - - - reg = agnx_read32(ctl, AGNX_SYSITF_GPIOIN); - udelay(10); - reg = agnx_read32(ctl, AGNX_CIR_SERIALITF); - - /* Dump the eeprom */ - do { - char eeprom[0x100000/0x100]; - - for (i = 0; i < 0x100000; i += 0x100) { - agnx_write32(ctl, AGNX_CIR_SERIALITF, 0x3000000 + i); - udelay(13); - reg = agnx_read32(ctl, AGNX_CIR_SERIALITF); - udelay(70); - reg = agnx_read32(ctl, AGNX_CIR_SERIALITF); - eeprom[i/0x100] = reg & 0xFF; - udelay(10); - } - print_hex_dump_bytes(PFX "EEPROM: ", DUMP_PREFIX_NONE, eeprom, - ARRAY_SIZE(eeprom)); - } while (0); - - spi_rc_write(ctl, RF_CHIP0, 0x26); - reg = agnx_read32(ctl, AGNX_SPI_RLSW); - - /* Initialize the system interface */ - system_itf_init(priv); - - might_sleep(); - /* Chip Initialization (Polaris) */ - chip_init(priv); - might_sleep(); - - /* Calibrate the antennae */ - antenna_calibrate(priv); - - reg = agnx_read32(ctl, 0xec50); - reg &= ~0x40; - agnx_write32(ctl, 0xec50, reg); - agnx_write32(ctl, AGNX_PM_SOFTRST, 0x0); - agnx_write32(ctl, AGNX_PM_PLLCTL, 0x1); - - reg = agnx_read32(ctl, AGNX_BM_BMCTL); - reg |= 0x8000; - agnx_write32(ctl, AGNX_BM_BMCTL, reg); - enable_receiver(priv); - reg = agnx_read32(ctl, AGNX_SYSITF_SYSMODE); - reg |= 0x200; - agnx_write32(ctl, AGNX_SYSITF_SYSMODE, reg); - enable_receiver(priv); - - might_sleep(); - /* Initialize Gain Control Counts */ - gain_ctlcnt_init(priv); - - /* Write Initial Station Power Template for this station(#0) */ - sta_power_init(priv, LOCAL_STAID); - - might_sleep(); - /* Initialize the rx,td,tm rings, for each node in the ring */ - fill_rings(priv); - - might_sleep(); - - - agnx_write32(ctl, AGNX_PM_SOFTRST, 0x80000033); - agnx_write32(ctl, 0xec50, 0xc); - agnx_write32(ctl, AGNX_PM_SOFTRST, 0x0); - - /* FIXME Initialize the transmit control register */ - agnx_write32(ctl, AGNX_TXM_CTL, 0x194c1); - - enable_receiver(priv); - - might_sleep(); - /* FIXME Set the Receive Control Mac Address to card address */ - mac_address_set(priv); - enable_receiver(priv); - might_sleep(); - - /* Set the recieve request rate */ - /* FIXME Enable the request */ - /* Check packet length */ - /* Set maximum packet length */ -/* agnx_write32(ctl, AGNX_RXM_REQRATE, 0x88195e00); */ -/* enable_receiver(priv); */ - - /* Set the Receiver BSSID */ - receiver_bssid_set(priv, bssid); - - /* FIXME Set to managed mode */ - set_managed_mode(priv); -/* set_promiscuous_mode(priv); */ -/* set_scan_mode(priv); */ -/* set_learn_mode(priv); */ -/* set_promis_and_managed(priv); */ -/* set_adhoc_mode(priv); */ - - /* Set the recieve request rate */ - /* Check packet length */ - agnx_write32(ctl, AGNX_RXM_REQRATE, 0x08000000); - reg = agnx_read32(ctl, AGNX_RXM_REQRATE); - /* Set maximum packet length */ - reg |= 0x00195e00; - agnx_write32(ctl, AGNX_RXM_REQRATE, reg); - - /* Configure the RX and TX interrupt */ - reg = ENABLE_RX_INTERRUPT | RX_CACHE_LINE | FRAG_LEN_2048 | FRAG_BE; - agnx_write32(ctl, AGNX_CIR_RXCFG, reg); - /* FIXME */ - reg = ENABLE_TX_INTERRUPT | TX_CACHE_LINE | FRAG_LEN_2048 | FRAG_BE; - agnx_write32(ctl, AGNX_CIR_TXCFG, reg); - - /* Enable RX TX Interrupts */ - agnx_write32(ctl, AGNX_CIR_RXCTL, 0x80); - agnx_write32(ctl, AGNX_CIR_TXMCTL, 0x80); - agnx_write32(ctl, AGNX_CIR_TXDCTL, 0x80); - - /* FIXME Set the master control interrupt in block control */ - agnx_write32(ctl, AGNX_CIR_BLKCTL, 0x800); - - /* Enable RX and TX queues */ - reg = agnx_read32(ctl, AGNX_CIR_RXCTL); - reg |= 0x8; - agnx_write32(ctl, AGNX_CIR_RXCTL, reg); - reg = agnx_read32(ctl, AGNX_CIR_TXMCTL); - reg |= 0x8; - agnx_write32(ctl, AGNX_CIR_TXMCTL, reg); - reg = agnx_read32(ctl, AGNX_CIR_TXDCTL); - reg |= 0x8; - agnx_write32(ctl, AGNX_CIR_TXDCTL, reg); - - agnx_write32(ctl, AGNX_SYSITF_GPIOUT, 0x5); - /* FIXME */ - /* unknow_register_write(priv); */ - /* Update local card hash entry */ - hash_write(priv, priv->mac_addr, LOCAL_STAID); - - might_sleep(); - - /* FIXME */ - agnx_set_channel(priv, 1); - might_sleep(); -} /* agnx_card_interface_init */ - - -void agnx_hw_init(struct agnx_priv *priv) -{ - AGNX_TRACE; - might_sleep(); - card_interface_init(priv); -} - -int agnx_hw_reset(struct agnx_priv *priv) -{ - return card_full_reset(priv); -} - -int agnx_set_ssid(struct agnx_priv *priv, u8 *ssid, size_t ssid_len) -{ - AGNX_TRACE; - return 0; -} - -void agnx_set_bssid(struct agnx_priv *priv, const u8 *bssid) -{ - receiver_bssid_set(priv, bssid); -} diff --git a/drivers/staging/agnx/phy.h b/drivers/staging/agnx/phy.h deleted file mode 100644 index a955f05361e..00000000000 --- a/drivers/staging/agnx/phy.h +++ /dev/null @@ -1,409 +0,0 @@ -#ifndef AGNX_PHY_H_ -#define AGNX_PHY_H_ - -#include "agnx.h" - -/* Transmission Managment Registers */ -#define AGNX_TXM_BASE 0x0000 -#define AGNX_TXM_CTL 0x0000 /* control register */ -#define AGNX_TXM_ETMF 0x0004 /* enable transmission management functions */ -#define AGNX_TXM_TXTEMP 0x0008 /* transmission template */ -#define AGNX_TXM_RETRYSTAID 0x000c /* Retry Station ID */ -#define AGNX_TXM_TIMESTAMPLO 0x0010 /* Timestamp Lo */ -#define AGNX_TXM_TIMESTAMPHI 0x0014 /* Timestamp Hi */ -#define AGNX_TXM_TXDELAY 0x0018 /* tx delay */ -#define AGNX_TXM_TBTTLO 0x0020 /* tbtt Lo */ -#define AGNX_TXM_TBTTHI 0x0024 /* tbtt Hi */ -#define AGNX_TXM_BEAINTER 0x0028 /* Beacon Interval */ -#define AGNX_TXM_NAV 0x0030 /* NAV */ -#define AGNX_TXM_CFPMDV 0x0034 /* CFP MDV */ -#define AGNX_TXM_CFPERCNT 0x0038 /* CFP period count */ -#define AGNX_TXM_PROBDELAY 0x003c /* probe delay */ -#define AGNX_TXM_LISINTERCNT 0x0040 /* listen interval count */ -#define AGNX_TXM_DTIMPERICNT 0x004c /* DTIM period count */ - -#define AGNX_TXM_BEACON_CTL 0x005c /* beacon control */ - -#define AGNX_TXM_SCHEMPCNT 0x007c /* schedule empty count */ -#define AGNX_TXM_MAXTIMOUT 0x0084 /* max timeout exceed count */ -#define AGNX_TXM_MAXCFPTIM 0x0088 /* max CF poll timeout count */ -#define AGNX_TXM_MAXRXTIME 0x008c /* max RX timeout count */ -#define AGNX_TXM_MAXACKTIM 0x0090 /* max ACK timeout count */ -#define AGNX_TXM_DIF01 0x00a0 /* DIF 0-1 */ -#define AGNX_TXM_DIF23 0x00a4 /* DIF 2-3 */ -#define AGNX_TXM_DIF45 0x00a8 /* DIF 4-5 */ -#define AGNX_TXM_DIF67 0x00ac /* DIF 6-7 */ -#define AGNX_TXM_SIFSPIFS 0x00b0 /* SIFS/PIFS */ -#define AGNX_TXM_TIFSEIFS 0x00b4 /* TIFS/EIFS */ -#define AGNX_TXM_MAXCCACNTSLOT 0x00b8 /* max CCA count slot */ -#define AGNX_TXM_SLOTLIMIT 0x00bc /* slot limit/1 msec limit */ -#define AGNX_TXM_CFPOLLRXTIM 0x00f0 /* CF poll RX timeout count */ -#define AGNX_TXM_CFACKT11B 0x00f4 /* CF ack timeout limit for 11b */ -#define AGNX_TXM_CW0 0x0100 /* CW 0 */ -#define AGNX_TXM_SLBEALIM0 0x0108 /* short/long beacon limit 0 */ -#define AGNX_TXM_CW1 0x0120 /* CW 1 */ -#define AGNX_TXM_SLBEALIM1 0x0128 /* short/long beacon limit 1 */ -#define AGNX_TXM_CW2 0x0140 /* CW 2 */ -#define AGNX_TXM_SLBEALIM2 0x0148 /* short/long beacon limit 2 */ -#define AGNX_TXM_CW3 0x0160 /* CW 3 */ -#define AGNX_TXM_SLBEALIM3 0x0168 /* short/long beacon limit 3 */ -#define AGNX_TXM_CW4 0x0180 /* CW 4 */ -#define AGNX_TXM_SLBEALIM4 0x0188 /* short/long beacon limit 4 */ -#define AGNX_TXM_CW5 0x01a0 /* CW 5 */ -#define AGNX_TXM_SLBEALIM5 0x01a8 /* short/long beacon limit 5 */ -#define AGNX_TXM_CW6 0x01c0 /* CW 6 */ -#define AGNX_TXM_SLBEALIM6 0x01c8 /* short/long beacon limit 6 */ -#define AGNX_TXM_CW7 0x01e0 /* CW 7 */ -#define AGNX_TXM_SLBEALIM7 0x01e8 /* short/long beacon limit 7 */ -#define AGNX_TXM_BEACONTEMP 0x1000 /* beacon template */ -#define AGNX_TXM_STAPOWTEMP 0x1a00 /* Station Power Template */ - -/* Receive Management Control Registers */ -#define AGNX_RXM_BASE 0x2000 -#define AGNX_RXM_REQRATE 0x2000 /* requested rate */ -#define AGNX_RXM_MACHI 0x2004 /* first 4 bytes of mac address */ -#define AGNX_RXM_MACLO 0x2008 /* last 2 bytes of mac address */ -#define AGNX_RXM_BSSIDHI 0x200c /* bssid hi */ -#define AGNX_RXM_BSSIDLO 0x2010 /* bssid lo */ -#define AGNX_RXM_HASH_CMD_FLAG 0x2014 /* Flags for the RX Hash Command Default:0 */ -#define AGNX_RXM_HASH_CMD_HIGH 0x2018 /* The High half of the Hash Command */ -#define AGNX_RXM_HASH_CMD_LOW 0x201c /* The Low half of the Hash Command */ -#define AGNX_RXM_ROUTAB 0x2020 /* routing table */ -#define ROUTAB_SUBTYPE_SHIFT 24 -#define ROUTAB_TYPE_SHIFT 28 -#define ROUTAB_STATUS_SHIFT 30 -#define ROUTAB_RW_SHIFT 31 -#define ROUTAB_ROUTE_DROP 0xf00000 /* Drop */ -#define ROUTAB_ROUTE_CPU 0x400000 /* CPU */ -#define ROUTAB_ROUTE_ENCRY 0x500800 /* Encryption */ -#define ROUTAB_ROUTE_RFP 0x800000 /* RFP */ - -#define ROUTAB_TYPE_MANAG 0x0 /* Management */ -#define ROUTAB_TYPE_CTL 0x1 /* Control */ -#define ROUTAB_TYPE_DATA 0x2 /* Data */ - -#define ROUTAB_SUBTYPE_DATA 0x0 -#define ROUTAB_SUBTYPE_DATAACK 0x1 -#define ROUTAB_SUBTYPE_DATAPOLL 0x2 -#define ROUTAB_SUBTYPE_DATAPOLLACK 0x3 -#define ROUTAB_SUBTYPE_NULL 0x4 /* NULL */ -#define ROUTAB_SUBTYPE_NULLACK 0x5 -#define ROUTAB_SUBTYPE_NULLPOLL 0x6 -#define ROUTAB_SUBTYPE_NULLPOLLACK 0x7 -#define ROUTAB_SUBTYPE_QOSDATA 0x8 /* QOS DATA */ -#define ROUTAB_SUBTYPE_QOSDATAACK 0x9 -#define ROUTAB_SUBTYPE_QOSDATAPOLL 0xa -#define ROUTAB_SUBTYPE_QOSDATAACKPOLL 0xb -#define ROUTAB_SUBTYPE_QOSNULL 0xc -#define ROUTAB_SUBTYPE_QOSNULLACK 0xd -#define ROUTAB_SUBTYPE_QOSNULLPOLL 0xe -#define ROUTAB_SUBTYPE_QOSNULLPOLLACK 0xf -#define AGNX_RXM_DELAY11 0x2024 /* delay 11(AB) */ -#define AGNX_RXM_SOF_CNT 0x2028 /* SOF Count */ -#define AGNX_RXM_FRAG_CNT 0x202c /* Fragment Count*/ -#define AGNX_RXM_FCS_CNT 0x2030 /* FCS Count */ -#define AGNX_RXM_BSSID_MISS_CNT 0x2034 /* BSSID Miss Count */ -#define AGNX_RXM_PDU_ERR_CNT 0x2038 /* PDU Error Count */ -#define AGNX_RXM_DEST_MISS_CNT 0x203C /* Destination Miss Count */ -#define AGNX_RXM_DROP_CNT 0x2040 /* Drop Count */ -#define AGNX_RXM_ABORT_CNT 0x2044 /* Abort Count */ -#define AGNX_RXM_RELAY_CNT 0x2048 /* Relay Count */ -#define AGNX_RXM_HASH_MISS_CNT 0x204c /* Hash Miss Count */ -#define AGNX_RXM_SA_HI 0x2050 /* Address of received packet Hi */ -#define AGNX_RXM_SA_LO 0x2054 /* Address of received packet Lo */ -#define AGNX_RXM_HASH_DUMP_LST 0x2100 /* Contains Hash Data */ -#define AGNX_RXM_HASH_DUMP_MST 0x2104 /* Contains Hash Data */ -#define AGNX_RXM_HASH_DUMP_DATA 0x2108 /* The Station ID to dump */ - - -/* Encryption Managment */ -#define AGNX_ENCRY_BASE 0x2400 -#define AGNX_ENCRY_WEPKEY0 0x2440 /* wep key #0 */ -#define AGNX_ENCRY_WEPKEY1 0x2444 /* wep key #1 */ -#define AGNX_ENCRY_WEPKEY2 0x2448 /* wep key #2 */ -#define AGNX_ENCRY_WEPKEY3 0x244c /* wep key #3 */ -#define AGNX_ENCRY_CCMRECTL 0x2460 /* ccm replay control */ - - -/* Band Management Registers */ -#define AGNX_BM_BASE 0x2c00 -#define AGNX_BM_BMCTL 0x2c00 /* band management control */ -#define AGNX_BM_TXWADDR 0x2c18 /* tx workqueue address start */ -#define AGNX_BM_TXTOPEER 0x2c24 /* transmit to peers */ -#define AGNX_BM_FPLHP 0x2c2c /* free pool list head pointer */ -#define AGNX_BM_FPLTP 0x2c30 /* free pool list tail pointer */ -#define AGNX_BM_FPCNT 0x2c34 /* free pool count */ -#define AGNX_BM_CIPDUWCNT 0x2c38 /* card interface pdu workqueue count */ -#define AGNX_BM_SPPDUWCNT 0x2c3c /* sp pdu workqueue count */ -#define AGNX_BM_RFPPDUWCNT 0x2c40 /* rfp pdu workqueue count */ -#define AGNX_BM_RHPPDUWCNT 0x2c44 /* rhp pdu workqueue count */ -#define AGNX_BM_CIWQCTL 0x2c48 /* Card Interface WorkQueue Control */ -#define AGNX_BM_CPUTXWCTL 0x2c50 /* cpu tx workqueue control */ -#define AGNX_BM_CPURXWCTL 0x2c58 /* cpu rx workqueue control */ -#define AGNX_BM_CPULWCTL 0x2c60 /* cpu low workqueue control */ -#define AGNX_BM_CPUHWCTL 0x2c68 /* cpu high workqueue control */ -#define AGNX_BM_SPTXWCTL 0x2c70 /* sp tx workqueue control */ -#define AGNX_BM_SPRXWCTL 0x2c78 /* sp rx workqueue control */ -#define AGNX_BM_RFPWCTL 0x2c80 /* RFP workqueue control */ -#define AGNX_BM_MTSM 0x2c90 /* Multicast Transmit Station Mask */ - -/* Card Interface Registers (32bits) */ -#define AGNX_CIR_BASE 0x3000 -#define AGNX_CIR_BLKCTL 0x3000 /* block control*/ -#define AGNX_STAT_TX 0x1 -#define AGNX_STAT_RX 0x2 -#define AGNX_STAT_X 0x4 -/* Below two interrupt flags will be set by our but not CPU or the card */ -#define AGNX_STAT_TXD 0x10 -#define AGNX_STAT_TXM 0x20 - -#define AGNX_CIR_ADDRWIN 0x3004 /* Addressable Windows*/ -#define AGNX_CIR_ENDIAN 0x3008 /* card endianness */ -#define AGNX_CIR_SERIALITF 0x3020 /* serial interface */ -#define AGNX_CIR_RXCFG 0x3040 /* receive config */ -#define ENABLE_RX_INTERRUPT 0x20 -#define RX_CACHE_LINE 0x8 -/* the RX fragment length */ -#define FRAG_LEN_256 0x0 /* 256B */ -#define FRAG_LEN_512 0x1 -#define FRAG_LEN_1024 0x2 -#define FRAG_LEN_2048 0x3 -#define FRAG_BE 0x10 -#define AGNX_CIR_RXCTL 0x3050 /* receive control */ -/* memory address, chipside */ -#define AGNX_CIR_RXCMSTART 0x3054 /* receive client memory start */ -#define AGNX_CIR_RXCMEND 0x3058 /* receive client memory end */ -/* memory address, pci */ -#define AGNX_CIR_RXHOSTADDR 0x3060 /* receive hostside address */ -/* memory address, chipside */ -#define AGNX_CIR_RXCLIADDR 0x3064 /* receive clientside address */ -#define AGNX_CIR_RXDMACTL 0x3068 /* receive dma control */ -#define AGNX_CIR_TXCFG 0x3080 /* transmit config */ -#define AGNX_CIR_TXMCTL 0x3090 /* Transmit Management Control */ -#define ENABLE_TX_INTERRUPT 0x20 -#define TX_CACHE_LINE 0x8 -#define AGNX_CIR_TXMSTART 0x3094 /* Transmit Management Start */ -#define AGNX_CIR_TXMEND 0x3098 /* Transmit Management End */ -#define AGNX_CIR_TXDCTL 0x30a0 /* transmit data control */ -/* memeory address, chipset */ -#define AGNX_CIR_TXDSTART 0x30a4 /* transmit data start */ -#define AGNX_CIR_TXDEND 0x30a8 /* transmit data end */ -#define AGNX_CIR_TXMHADDR 0x30b0 /* Transmit Management Hostside Address */ -#define AGNX_CIR_TXMCADDR 0x30b4 /* Transmit Management Clientside Address */ -#define AGNX_CIR_TXDMACTL 0x30b8 /* transmit dma control */ - - -/* Power Managment Unit */ -#define AGNX_PM_BASE 0x3c00 -#define AGNX_PM_PMCTL 0x3c00 /* PM Control*/ -#define AGNX_PM_MACMSW 0x3c08 /* MAC Manual Slow Work Enable */ -#define AGNX_PM_RFCTL 0x3c0c /* RF Control */ -#define AGNX_PM_PHYMW 0x3c14 /* Phy Mannal Work */ -#define AGNX_PM_SOFTRST 0x3c18 /* PMU Soft Reset */ -#define AGNX_PM_PLLCTL 0x3c1c /* PMU PLL control*/ -#define AGNX_PM_TESTPHY 0x3c24 /* PMU Test Phy */ - - -/* Interrupt Control interface */ -#define AGNX_INT_BASE 0x4000 -#define AGNX_INT_STAT 0x4000 /* interrupt status */ -#define AGNX_INT_MASK 0x400c /* interrupt mask */ -/* FIXME */ -#define IRQ_TX_BEACON 0x1 /* TX Beacon */ -#define IRQ_TX_RETRY 0x8 /* TX Retry Interrupt */ -#define IRQ_TX_ACTIVITY 0x10 /* TX Activity */ -#define IRQ_RX_ACTIVITY 0x20 /* RX Activity */ -/* FIXME I guess that instead RX a none exist staion's packet or - the station hasn't been init */ -#define IRQ_RX_X 0x40 -#define IRQ_RX_Y 0x80 /* RX ? */ -#define IRQ_RX_HASHHIT 0x100 /* RX Hash Hit */ -#define IRQ_RX_FRAME 0x200 /* RX Frame */ -#define IRQ_ERR_INT 0x400 /* Error Interrupt */ -#define IRQ_TX_QUE_FULL 0x800 /* TX Workqueue Full */ -#define IRQ_BANDMAN_ERR 0x10000 /* Bandwidth Management Error */ -#define IRQ_TX_DISABLE 0x20000 /* TX Disable */ -#define IRQ_RX_IVASESKEY 0x80000 /* RX Invalid Session Key */ -#define IRQ_RX_KEYIDMIS 0x100000 /* RX key ID Mismatch */ -#define IRQ_REP_THHIT 0x200000 /* Replay Threshold Hit */ -#define IRQ_TIMER1 0x4000000 /* Timer1 */ -#define IRQ_TIMER_CNT 0x10000000 /* Timer Count */ -#define IRQ_PHY_FASTINT 0x20000000 /* Phy Fast Interrupt */ -#define IRQ_PHY_SLOWINT 0x40000000 /* Phy Slow Interrupt */ -#define IRQ_OTHER 0x80000000 /* Unknow interrupt */ -#define AGNX_IRQ_ALL 0xffffffff - -/* System Interface */ -#define AGNX_SYSITF_BASE 0x4400 -#define AGNX_SYSITF_SYSMODE 0x4400 /* system mode */ -#define AGNX_SYSITF_GPIOIN 0x4410 /* GPIO In */ -/* PIN lines for leds? */ -#define AGNX_SYSITF_GPIOUT 0x4414 /* GPIO Out */ - -/* Timer Control */ -#define AGNX_TIMCTL_TIMER1 0x4800 /* Timer 1 */ -#define AGNX_TIMCTL_TIM1CTL 0x4808 /* Timer 1 Control */ - - -/* Antenna Calibration Interface */ -#define AGNX_ACI_BASE 0x5000 -#define AGNX_ACI_MODE 0x5000 /* Mode */ -#define AGNX_ACI_MEASURE 0x5004 /* Measure */ -#define AGNX_ACI_SELCHAIN 0x5008 /* Select Chain */ -#define AGNX_ACI_LEN 0x500c /* Length */ -#define AGNX_ACI_TIMER1 0x5018 /* Timer 1 */ -#define AGNX_ACI_TIMER2 0x501c /* Timer 2 */ -#define AGNX_ACI_OFFSET 0x5020 /* Offset */ -#define AGNX_ACI_STATUS 0x5030 /* Status */ -#define CALI_IDLE 0x0 -#define CALI_DONE 0x1 -#define CALI_BUSY 0x2 -#define CALI_ERR 0x3 -#define AGNX_ACI_AICCHA0OVE 0x5034 /* AIC Channel 0 Override */ -#define AGNX_ACI_AICCHA1OVE 0x5038 /* AIC Channel 1 Override */ - -/* Gain Control Registers */ -#define AGNX_GCR_BASE 0x9000 -/* threshold of primary antenna */ -#define AGNX_GCR_THD0A 0x9000 /* threshold? D0 A */ -/* low threshold of primary antenna */ -#define AGNX_GCR_THD0AL 0x9004 /* threshold? D0 A low */ -/* threshold of secondary antenna */ -#define AGNX_GCR_THD0B 0x9008 /* threshold? D0_B */ -#define AGNX_GCR_DUNSAT 0x900c /* d unsaturated */ -#define AGNX_GCR_DSAT 0x9010 /* d saturated */ -#define AGNX_GCR_DFIRCAL 0x9014 /* D Fir/Cal */ -#define AGNX_GCR_DGCTL11A 0x9018 /* d gain control 11a */ -#define AGNX_GCR_DGCTL11B 0x901c /* d gain control 11b */ -/* strength of gain */ -#define AGNX_GCR_GAININIT 0x9020 /* gain initialization */ -#define AGNX_GCR_THNOSIG 0x9024 /* threhold no signal */ -#define AGNX_GCR_COARSTEP 0x9028 /* coarse stepping */ -#define AGNX_GCR_SIFST11A 0x902c /* sifx time 11a */ -#define AGNX_GCR_SIFST11B 0x9030 /* sifx time 11b */ -#define AGNX_GCR_CWDETEC 0x9034 /* cw detection */ -#define AGNX_GCR_0X38 0x9038 /* ???? */ -#define AGNX_GCR_BOACT 0x903c /* BO Active */ -#define AGNX_GCR_BOINACT 0x9040 /* BO Inactive */ -#define AGNX_GCR_BODYNA 0x9044 /* BO dynamic */ -/* 802.11 mode(a,b,g) */ -#define AGNX_GCR_DISCOVMOD 0x9048 /* discovery mode */ -#define AGNX_GCR_NLISTANT 0x904c /* number of listening antenna */ -#define AGNX_GCR_NACTIANT 0x9050 /* number of active antenna */ -#define AGNX_GCR_NMEASANT 0x9054 /* number of measuring antenna */ -#define AGNX_GCR_NCAPTANT 0x9058 /* number of capture antenna */ -#define AGNX_GCR_THCAP11A 0x905c /* threshold capture 11a */ -#define AGNX_GCR_THCAP11B 0x9060 /* threshold capture 11b */ -#define AGNX_GCR_THCAPRX11A 0x9064 /* threshold capture rx 11a */ -#define AGNX_GCR_THCAPRX11B 0x9068 /* threshold capture rx 11b */ -#define AGNX_GCR_THLEVDRO 0x906c /* threshold level drop */ -#define AGNX_GCR_GAINSET0 0x9070 /* Gainset 0 */ -#define AGNX_GCR_GAINSET1 0x9074 /* Gainset 1 */ -#define AGNX_GCR_GAINSET2 0x9078 /* Gainset 2 */ -#define AGNX_GCR_MAXRXTIME11A 0x907c /* maximum rx time 11a */ -#define AGNX_GCR_MAXRXTIME11B 0x9080 /* maximum rx time 11b */ -#define AGNX_GCR_CORRTIME 0x9084 /* correction time */ -/* reset the subsystem, 0 = disable, 1 = enable */ -#define AGNX_GCR_RSTGCTL 0x9088 /* reset gain control */ -/* channel receiving */ -#define AGNX_GCR_RXCHANEL 0x908c /* receive channel */ -#define AGNX_GCR_NOISE0 0x9090 /* Noise 0 */ -#define AGNX_GCR_NOISE1 0x9094 /* Noise 1 */ -#define AGNX_GCR_NOISE2 0x9098 /* Noise 2 */ -#define AGNX_GCR_SIGHTH 0x909c /* Signal High Threshold */ -#define AGNX_GCR_SIGLTH 0x90a0 /* Signal Low Threshold */ -#define AGNX_GCR_CORRDROP 0x90a4 /* correction drop */ -/* threshold of tertiay antenna */ -#define AGNX_GCR_THCD 0x90a8 /* threshold? CD */ -#define AGNX_GCR_THCS 0x90ac /* threshold? CS */ -#define AGNX_GCR_MAXPOWDIFF 0x90b8 /* maximum power difference */ -#define AGNX_GCR_TRACNT4 0x90ec /* Transition Count 4 */ -#define AGNX_GCR_TRACNT5 0x90f0 /* transition count 5 */ -#define AGNX_GCR_TRACNT6 0x90f4 /* transition count 6 */ -#define AGNX_GCR_TRACNT7 0x90f8 /* transition coutn 7 */ -#define AGNX_GCR_TESTBUS 0x911c /* test bus */ -#define AGNX_GCR_CHAINNUM 0x9120 /* Number of Chains */ -#define AGNX_GCR_ANTCFG 0x9124 /* Antenna Config */ -#define AGNX_GCR_THJUMP 0x912c /* threhold jump */ -#define AGNX_GCR_THPOWER 0x9130 /* threshold power */ -#define AGNX_GCR_THPOWCLIP 0x9134 /* threshold power clip*/ -#define AGNX_GCR_FORCECTLCLK 0x9138 /* Force Gain Control Clock */ -#define AGNX_GCR_GAINSETWRITE 0x913c /* Gainset Write */ -#define AGNX_GCR_THD0BTFEST 0x9140 /* threshold d0 b tf estimate */ -#define AGNX_GCR_THRX11BPOWMIN 0x9144 /* threshold rx 11b power minimum */ -#define AGNX_GCR_0X14c 0x914c /* ?? */ -#define AGNX_GCR_0X150 0x9150 /* ?? */ -#define AGNX_GCR_RXOVERIDE 0x9194 /* recieve override */ -#define AGNX_GCR_WATCHDOG 0x91b0 /* watchdog timeout */ - - -/* Spi Interface */ -#define AGNX_SPI_BASE 0xdc00 -#define AGNX_SPI_CFG 0xdc00 /* spi configuration */ -/* Only accept 16 bits */ -#define AGNX_SPI_WMSW 0xdc04 /* write most significant word */ -/* Only accept 16 bits */ -#define AGNX_SPI_WLSW 0xdc08 /* write least significant word */ -#define AGNX_SPI_CTL 0xdc0c /* spi control */ -#define AGNX_SPI_RMSW 0xdc10 /* read most significant word */ -#define AGNX_SPI_RLSW 0xdc14 /* read least significant word */ -/* SPI Control Mask */ -#define SPI_READ_CTL 0x4000 /* read control */ -#define SPI_BUSY_CTL 0x8000 /* busy control */ -/* RF and synth chips in spi */ -#define RF_CHIP0 0x400 -#define RF_CHIP1 0x800 -#define RF_CHIP2 0x1000 -#define SYNTH_CHIP 0x2000 - -/* Unknown register */ -#define AGNX_UNKNOWN_BASE 0x7800 - -/* FIXME MonitorGain */ -#define AGNX_MONGCR_BASE 0x12000 - -/* Gain Table */ -#define AGNX_GAIN_TABLE 0x12400 - -/* The initial FIR coefficient table */ -#define AGNX_FIR_BASE 0x19804 - -#define AGNX_ENGINE_LOOKUP_TBL 0x800 - -/* eeprom commands */ -#define EEPROM_CMD_NULL 0x0 /* NULL */ -#define EEPROM_CMD_WRITE 0x2 /* write */ -#define EEPROM_CMD_READ 0x3 /* read */ -#define EEPROM_CMD_STATUSREAD 0x5 /* status register read */ -#define EEPROM_CMD_WRITEENABLE 0x6 /* write enable */ -#define EEPROM_CMD_CONFIGURE 0x7 /* configure */ - -#define EEPROM_DATAFORCOFIGURE 0x6 /* ??? */ - -/* eeprom address */ -#define EEPROM_ADDR_SUBVID 0x0 /* Sub Vendor ID */ -#define EEPROM_ADDR_SUBSID 0x2 /* Sub System ID */ -#define EEPROM_ADDR_MACADDR 0x146 /* MAC Address */ -#define EEPROM_ADDR_LOTYPE 0x14f /* LO type */ - -struct agnx_eeprom { - u8 data; /* date */ - u16 address; /* address in EEPROM */ - u8 cmd; /* command, unknown, status */ -} __attribute__((__packed__)); - -#define AGNX_EEPROM_COMMAND_SHIFT 5 -#define AGNX_EEPROM_COMMAND_STAT 0x01 - -void disable_receiver(struct agnx_priv *priv); -void enable_receiver(struct agnx_priv *priv); -u8 read_from_eeprom(struct agnx_priv *priv, u16 address); -void agnx_hw_init(struct agnx_priv *priv); -int agnx_hw_reset(struct agnx_priv *priv); -int agnx_set_ssid(struct agnx_priv *priv, u8 *ssid, size_t ssid_len); -void agnx_set_bssid(struct agnx_priv *priv, const u8 *bssid); -void enable_power_saving(struct agnx_priv *priv); -void disable_power_saving(struct agnx_priv *priv); -void calibrate_antenna_period(unsigned long data); - -#endif /* AGNX_PHY_H_ */ diff --git a/drivers/staging/agnx/rf.c b/drivers/staging/agnx/rf.c deleted file mode 100644 index 42e457a1844..00000000000 --- a/drivers/staging/agnx/rf.c +++ /dev/null @@ -1,893 +0,0 @@ -/** - * Airgo MIMO wireless driver - * - * Copyright (c) 2007 Li YanBo <dreamfly281@gmail.com> - - * Thanks for Jeff Williams <angelbane@gmail.com> do reverse engineer - * works and published the SPECS at http://airgo.wdwconsulting.net/mymoin - - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation; - */ - -#include <linux/pci.h> -#include <linux/delay.h> -#include "agnx.h" -#include "debug.h" -#include "phy.h" -#include "table.h" - -/* FIXME! */ -static inline void spi_write(void __iomem *region, u32 chip_ids, u32 sw, - u16 size, u32 control) -{ - u32 reg; - u32 lsw = sw & 0xffff; /* lower 16 bits of sw*/ - u32 msw = sw >> 16; /* high 16 bits of sw */ - - /* FIXME Write Most Significant Word of the 32bit data to MSW */ - /* FIXME And Least Significant Word to LSW */ - iowrite32((lsw), region + AGNX_SPI_WLSW); - iowrite32((msw), region + AGNX_SPI_WMSW); - reg = chip_ids | size | control; - /* Write chip id(s), write size and busy control to Control Register */ - iowrite32((reg), region + AGNX_SPI_CTL); - /* Wait for Busy control to clear */ - spi_delay(); -} - -/* - * Write to SPI Synth register - */ -static inline void spi_sy_write(void __iomem *region, u32 chip_ids, u32 sw) -{ - /* FIXME the size 0x15 is a magic value*/ - spi_write(region, chip_ids, sw, 0x15, SPI_BUSY_CTL); -} - -/* - * Write to SPI RF register - */ -static inline void spi_rf_write(void __iomem *region, u32 chip_ids, u32 sw) -{ - /* FIXME the size 0xd is a magic value*/ - spi_write(region, chip_ids, sw, 0xd, SPI_BUSY_CTL); -} /* spi_rf_write */ - -/* - * Write to SPI with Read Control bit set - */ -inline void spi_rc_write(void __iomem *region, u32 chip_ids, u32 sw) -{ - /* FIXME the size 0xe5 is a magic value */ - spi_write(region, chip_ids, sw, 0xe5, SPI_BUSY_CTL|SPI_READ_CTL); -} - -/* Get the active chains's count */ -static int get_active_chains(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - int num = 0; - u32 reg; - AGNX_TRACE; - - spi_rc_write(ctl, RF_CHIP0, 0x21); - reg = agnx_read32(ctl, AGNX_SPI_RLSW); - if (reg == 1) - num++; - - spi_rc_write(ctl, RF_CHIP1, 0x21); - reg = agnx_read32(ctl, AGNX_SPI_RLSW); - if (reg == 1) - num++; - - spi_rc_write(ctl, RF_CHIP2, 0x21); - reg = agnx_read32(ctl, AGNX_SPI_RLSW); - if (reg == 1) - num++; - - spi_rc_write(ctl, RF_CHIP0, 0x26); - reg = agnx_read32(ctl, AGNX_SPI_RLSW); - if (0x33 != reg) - printk(KERN_WARNING PFX "Unmatched rf chips result\n"); - - return num; -} /* get_active_chains */ - -void rf_chips_init(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - u32 reg; - int num; - AGNX_TRACE; - - if (priv->revid == 1) { - reg = agnx_read32(ctl, AGNX_SYSITF_GPIOUT); - reg |= 0x8; - agnx_write32(ctl, AGNX_SYSITF_GPIOUT, reg); - } - - /* Set SPI clock speed to 200NS */ - reg = agnx_read32(ctl, AGNX_SPI_CFG); - reg &= ~0xF; - reg |= 0x3; - agnx_write32(ctl, AGNX_SPI_CFG, reg); - - /* Set SPI clock speed to 50NS */ - reg = agnx_read32(ctl, AGNX_SPI_CFG); - reg &= ~0xF; - reg |= 0x1; - agnx_write32(ctl, AGNX_SPI_CFG, reg); - - spi_rf_write(ctl, RF_CHIP0|RF_CHIP1|RF_CHIP2, 0x1101); - - num = get_active_chains(priv); - printk(KERN_INFO PFX "Active chains are %d\n", num); - - reg = agnx_read32(ctl, AGNX_SPI_CFG); - reg &= ~0xF; - agnx_write32(ctl, AGNX_SPI_CFG, reg); - - spi_rf_write(ctl, RF_CHIP0|RF_CHIP1|RF_CHIP2, 0x1908); -} /* rf_chips_init */ - - -static u32 channel_tbl[15][9] = { - {0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, - {1, 0x00, 0x00, 0x624, 0x00, 0x1a4, 0x28, 0x00, 0x1e}, - {2, 0x00, 0x00, 0x615, 0x00, 0x1ae, 0x28, 0x00, 0x1e}, - {3, 0x00, 0x00, 0x61a, 0x00, 0x1ae, 0x28, 0x00, 0x1e}, - {4, 0x00, 0x00, 0x61f, 0x00, 0x1ae, 0x28, 0x00, 0x1e}, - {5, 0x00, 0x00, 0x624, 0x00, 0x1ae, 0x28, 0x00, 0x1e}, - {6, 0x00, 0x00, 0x61f, 0x00, 0x1b3, 0x28, 0x00, 0x1e}, - {7, 0x00, 0x00, 0x624, 0x00, 0x1b3, 0x28, 0x00, 0x1e}, - {8, 0x00, 0x00, 0x629, 0x00, 0x1b3, 0x28, 0x00, 0x1e}, - {9, 0x00, 0x00, 0x624, 0x00, 0x1b8, 0x28, 0x00, 0x1e}, - {10, 0x00, 0x00, 0x629, 0x00, 0x1b8, 0x28, 0x00, 0x1e}, - {11, 0x00, 0x00, 0x62e, 0x00, 0x1b8, 0x28, 0x00, 0x1e}, - {12, 0x00, 0x00, 0x633, 0x00, 0x1b8, 0x28, 0x00, 0x1e}, - {13, 0x00, 0x00, 0x628, 0x00, 0x1b8, 0x28, 0x00, 0x1e}, - {14, 0x00, 0x00, 0x644, 0x00, 0x1b8, 0x28, 0x00, 0x1e}, -}; - - -static inline void -channel_tbl_write(struct agnx_priv *priv, unsigned int channel, unsigned int reg_num) -{ - void __iomem *ctl = priv->ctl; - u32 reg; - - reg = channel_tbl[channel][reg_num]; - reg <<= 4; - reg |= reg_num; - spi_sy_write(ctl, SYNTH_CHIP, reg); -} - -static void synth_freq_set(struct agnx_priv *priv, unsigned int channel) -{ - void __iomem *ctl = priv->ctl; - u32 reg; - AGNX_TRACE; - - spi_rf_write(ctl, RF_CHIP0|RF_CHIP1, 0x1201); - - /* Set the Clock bits to 50NS */ - reg = agnx_read32(ctl, AGNX_SPI_CFG); - reg &= ~0xF; - reg |= 0x1; - agnx_write32(ctl, AGNX_SPI_CFG, reg); - - /* Write 0x00c0 to LSW and 0x3 to MSW of Synth Chip */ - spi_sy_write(ctl, SYNTH_CHIP, 0x300c0); - - spi_sy_write(ctl, SYNTH_CHIP, 0x32); - - /* # Write to Register 1 on the Synth Chip */ - channel_tbl_write(priv, channel, 1); - /* # Write to Register 3 on the Synth Chip */ - channel_tbl_write(priv, channel, 3); - /* # Write to Register 6 on the Synth Chip */ - channel_tbl_write(priv, channel, 6); - /* # Write to Register 5 on the Synth Chip */ - channel_tbl_write(priv, channel, 5); - /* # Write to register 8 on the Synth Chip */ - channel_tbl_write(priv, channel, 8); - - /* FIXME Clear the clock bits */ - reg = agnx_read32(ctl, AGNX_SPI_CFG); - reg &= ~0xf; - agnx_write32(ctl, AGNX_SPI_CFG, reg); -} /* synth_chip_init */ - - -static void antenna_init(struct agnx_priv *priv, int num_antenna) -{ - void __iomem *ctl = priv->ctl; - - switch (num_antenna) { - case 1: - agnx_write32(ctl, AGNX_GCR_NLISTANT, 1); - agnx_write32(ctl, AGNX_GCR_NMEASANT, 1); - agnx_write32(ctl, AGNX_GCR_NACTIANT, 1); - agnx_write32(ctl, AGNX_GCR_NCAPTANT, 1); - - agnx_write32(ctl, AGNX_GCR_ANTCFG, 7); - agnx_write32(ctl, AGNX_GCR_BOACT, 34); - agnx_write32(ctl, AGNX_GCR_BOINACT, 34); - agnx_write32(ctl, AGNX_GCR_BODYNA, 30); - - agnx_write32(ctl, AGNX_GCR_THD0A, 125); - agnx_write32(ctl, AGNX_GCR_THD0AL, 100); - agnx_write32(ctl, AGNX_GCR_THD0B, 90); - - agnx_write32(ctl, AGNX_GCR_THD0BTFEST, 80); - agnx_write32(ctl, AGNX_GCR_SIGHTH, 100); - agnx_write32(ctl, AGNX_GCR_SIGLTH, 16); - break; - case 2: - agnx_write32(ctl, AGNX_GCR_NLISTANT, 2); - agnx_write32(ctl, AGNX_GCR_NMEASANT, 2); - agnx_write32(ctl, AGNX_GCR_NACTIANT, 2); - agnx_write32(ctl, AGNX_GCR_NCAPTANT, 2); - agnx_write32(ctl, AGNX_GCR_ANTCFG, 15); - agnx_write32(ctl, AGNX_GCR_BOACT, 36); - agnx_write32(ctl, AGNX_GCR_BOINACT, 36); - agnx_write32(ctl, AGNX_GCR_BODYNA, 32); - agnx_write32(ctl, AGNX_GCR_THD0A, 120); - agnx_write32(ctl, AGNX_GCR_THD0AL, 100); - agnx_write32(ctl, AGNX_GCR_THD0B, 80); - agnx_write32(ctl, AGNX_GCR_THD0BTFEST, 70); - agnx_write32(ctl, AGNX_GCR_SIGHTH, 100); - agnx_write32(ctl, AGNX_GCR_SIGLTH, 32); - break; - case 3: - agnx_write32(ctl, AGNX_GCR_NLISTANT, 3); - agnx_write32(ctl, AGNX_GCR_NMEASANT, 3); - agnx_write32(ctl, AGNX_GCR_NACTIANT, 3); - agnx_write32(ctl, AGNX_GCR_NCAPTANT, 3); - agnx_write32(ctl, AGNX_GCR_ANTCFG, 31); - agnx_write32(ctl, AGNX_GCR_BOACT, 36); - agnx_write32(ctl, AGNX_GCR_BOINACT, 36); - agnx_write32(ctl, AGNX_GCR_BODYNA, 32); - agnx_write32(ctl, AGNX_GCR_THD0A, 100); - agnx_write32(ctl, AGNX_GCR_THD0AL, 100); - agnx_write32(ctl, AGNX_GCR_THD0B, 70); - agnx_write32(ctl, AGNX_GCR_THD0BTFEST, 70); - agnx_write32(ctl, AGNX_GCR_SIGHTH, 100); - agnx_write32(ctl, AGNX_GCR_SIGLTH, 48); -/* agnx_write32(ctl, AGNX_GCR_SIGLTH, 16); */ - break; - default: - printk(KERN_WARNING PFX "Unknow antenna number\n"); - } -} /* antenna_init */ - -static void chain_update(struct agnx_priv *priv, u32 chain) -{ - void __iomem *ctl = priv->ctl; - u32 reg; - AGNX_TRACE; - - spi_rc_write(ctl, RF_CHIP0, 0x20); - reg = agnx_read32(ctl, AGNX_SPI_RLSW); - - if (reg == 0x4) - spi_rf_write(ctl, RF_CHIP0|RF_CHIP1, reg|0x1000); - else if (reg != 0x0) - spi_rf_write(ctl, RF_CHIP0|RF_CHIP1|RF_CHIP2, reg|0x1000); - else { - if (chain == 3 || chain == 6) { - spi_rf_write(ctl, RF_CHIP0|RF_CHIP1|RF_CHIP2, reg|0x1000); - agnx_write32(ctl, AGNX_GCR_RXOVERIDE, 0x0); - } else if (chain == 2 || chain == 4) { - spi_rf_write(ctl, RF_CHIP0|RF_CHIP1, reg|0x1000); - spi_rf_write(ctl, RF_CHIP2, 0x1005); - agnx_write32(ctl, AGNX_GCR_RXOVERIDE, 0x824); - } else if (chain == 1) { - spi_rf_write(ctl, RF_CHIP0, reg|0x1000); - spi_rf_write(ctl, RF_CHIP1|RF_CHIP2, 0x1004); - agnx_write32(ctl, AGNX_GCR_RXOVERIDE, 0xc36); - } - } - - spi_rc_write(ctl, RF_CHIP0, 0x22); - reg = agnx_read32(ctl, AGNX_SPI_RLSW); - - switch (reg) { - case 0: - spi_rf_write(ctl, RF_CHIP0|RF_CHIP1|RF_CHIP2, 0x1005); - break; - case 1: - spi_rf_write(ctl, RF_CHIP0|RF_CHIP1, 0x1201); - break; - case 2: - if (chain == 6 || chain == 4) { - spi_rf_write(ctl, RF_CHIP0|RF_CHIP1, 0x1202); - spi_rf_write(ctl, RF_CHIP2, 0x1005); - } else if (chain < 3) { - spi_rf_write(ctl, RF_CHIP0, 0x1202); - spi_rf_write(ctl, RF_CHIP1|RF_CHIP2, 0x1005); - } - break; - default: - if (chain == 3) { - spi_rf_write(ctl, RF_CHIP0|RF_CHIP1, 0x1203); - spi_rf_write(ctl, RF_CHIP2, 0x1201); - } else if (chain == 2) { - spi_rf_write(ctl, RF_CHIP0, 0x1203); - spi_rf_write(ctl, RF_CHIP2, 0x1200); - spi_rf_write(ctl, RF_CHIP1, 0x1201); - } else if (chain == 1) { - spi_rf_write(ctl, RF_CHIP0, 0x1203); - spi_rf_write(ctl, RF_CHIP1|RF_CHIP2, 0x1200); - } else if (chain == 4) { - spi_rf_write(ctl, RF_CHIP0|RF_CHIP1, 0x1203); - spi_rf_write(ctl, RF_CHIP2, 0x1201); - } else { - spi_rf_write(ctl, RF_CHIP0, 0x1203); - spi_rf_write(ctl, RF_CHIP1|RF_CHIP2, 0x1201); - } - } -} /* chain_update */ - -static void antenna_config(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - u32 reg; - AGNX_TRACE; - - /* Write 0x0 to the TX Management Control Register Enable bit */ - reg = agnx_read32(ctl, AGNX_TXM_CTL); - reg &= ~0x1; - agnx_write32(ctl, AGNX_TXM_CTL, reg); - - /* FIXME */ - /* Set initial value based on number of Antennae */ - antenna_init(priv, 3); - - /* FIXME Update Power Templates for current valid Stations */ - /* sta_power_init(priv, 0);*/ - - /* FIXME the number of chains should get from eeprom*/ - chain_update(priv, AGNX_CHAINS_MAX); -} /* antenna_config */ - -void calibrate_oscillator(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - u32 reg; - AGNX_TRACE; - - spi_rc_write(ctl, RF_CHIP0|RF_CHIP1, 0x1201); - reg = agnx_read32(ctl, AGNX_GCR_GAINSET1); - reg |= 0x10; - agnx_write32(ctl, AGNX_GCR_GAINSET1, reg); - - agnx_write32(ctl, AGNX_GCR_GAINSETWRITE, 1); - agnx_write32(ctl, AGNX_GCR_RSTGCTL, 1); - - agnx_write32(ctl, AGNX_ACI_LEN, 0x3ff); - - agnx_write32(ctl, AGNX_ACI_TIMER1, 0x27); - agnx_write32(ctl, AGNX_ACI_TIMER2, 0x27); - /* (Residual DC Calibration) to Calibration Mode */ - agnx_write32(ctl, AGNX_ACI_MODE, 0x2); - - spi_rc_write(ctl, RF_CHIP0|RF_CHIP1, 0x1004); - agnx_write32(ctl, AGNX_ACI_LEN, 0x3ff); - /* (TX LO Calibration) to Calibration Mode */ - agnx_write32(ctl, AGNX_ACI_MODE, 0x4); - - do { - u32 reg1, reg2, reg3; - /* Enable Power Saving Control */ - enable_power_saving(priv); - /* Save the following registers to restore */ - reg1 = ioread32(ctl + 0x11000); - reg2 = ioread32(ctl + 0xec50); - reg3 = ioread32(ctl + 0xec54); - wmb(); - - agnx_write32(ctl, 0x11000, 0xcfdf); - agnx_write32(ctl, 0xec50, 0x70); - /* Restore the registers */ - agnx_write32(ctl, 0x11000, reg1); - agnx_write32(ctl, 0xec50, reg2); - agnx_write32(ctl, 0xec54, reg3); - /* Disable Power Saving Control */ - disable_power_saving(priv); - } while (0); - - agnx_write32(ctl, AGNX_GCR_RSTGCTL, 0); -} /* calibrate_oscillator */ - - -static void radio_channel_set(struct agnx_priv *priv, unsigned int channel) -{ - void __iomem *ctl = priv->ctl; - unsigned int freq = priv->band.channels[channel - 1].center_freq; - u32 reg; - AGNX_TRACE; - - spi_rf_write(ctl, RF_CHIP0|RF_CHIP1, 0x1201); - /* Set SPI Clock to 50 Ns */ - reg = agnx_read32(ctl, AGNX_SPI_CFG); - reg &= ~0xF; - reg |= 0x1; - agnx_write32(ctl, AGNX_SPI_CFG, reg); - - /* Clear the Disable Tx interrupt bit in Interrupt Mask */ -/* reg = agnx_read32(ctl, AGNX_INT_MASK); */ -/* reg &= ~IRQ_TX_DISABLE; */ -/* agnx_write32(ctl, AGNX_INT_MASK, reg); */ - - /* Band Selection */ - reg = agnx_read32(ctl, AGNX_SYSITF_GPIOUT); - reg |= 0x8; - agnx_write32(ctl, AGNX_SYSITF_GPIOUT, reg); - - /* FIXME Set the SiLabs Chip Frequency */ - synth_freq_set(priv, channel); - - reg = agnx_read32(ctl, AGNX_PM_SOFTRST); - reg |= 0x80100030; - agnx_write32(ctl, AGNX_PM_SOFTRST, reg); - reg = agnx_read32(ctl, AGNX_PM_PLLCTL); - reg |= 0x20009; - agnx_write32(ctl, AGNX_PM_PLLCTL, reg); - - agnx_write32(ctl, AGNX_SYSITF_GPIOUT, 0x5); - - spi_rf_write(ctl, RF_CHIP0|RF_CHIP1|RF_CHIP2, 0x1100); - - /* Load the MonitorGain Table */ - monitor_gain_table_init(priv); - - /* Load the TX Fir table */ - tx_fir_table_init(priv); - - reg = agnx_read32(ctl, AGNX_PM_PMCTL); - reg |= 0x8; - agnx_write32(ctl, AGNX_PM_PMCTL, reg); - - spi_rc_write(ctl, RF_CHIP0|RF_CHIP1, 0x22); - udelay(80); - reg = agnx_read32(ctl, AGNX_SPI_RLSW); - - - agnx_write32(ctl, AGNX_GCR_RXOVERIDE, 0xff); - agnx_write32(ctl, AGNX_GCR_DISCOVMOD, 0x3); - - reg = agnx_read32(ctl, 0xec50); - reg |= 0x4f; - agnx_write32(ctl, 0xec50, reg); - - spi_rf_write(ctl, RF_CHIP0|RF_CHIP1, 0x1201); - agnx_write32(ctl, 0x11008, 0x1); - agnx_write32(ctl, 0x1100c, 0x0); - agnx_write32(ctl, 0x11008, 0x0); - agnx_write32(ctl, 0xec50, 0xc); - - agnx_write32(ctl, AGNX_GCR_DISCOVMOD, 0x3); - agnx_write32(ctl, AGNX_GCR_RXOVERIDE, 0x0); - agnx_write32(ctl, 0x11010, 0x6e); - agnx_write32(ctl, 0x11014, 0x6c); - - spi_rf_write(ctl, RF_CHIP0|RF_CHIP1, 0x1201); - - /* Calibrate the Antenna */ - /* antenna_calibrate(priv); */ - /* Calibrate the TxLocalOscillator */ - calibrate_oscillator(priv); - - reg = agnx_read32(ctl, AGNX_PM_PMCTL); - reg &= ~0x8; - agnx_write32(ctl, AGNX_PM_PMCTL, reg); - agnx_write32(ctl, AGNX_GCR_GAININIT, 0xa); - agnx_write32(ctl, AGNX_GCR_THCD, 0x0); - - agnx_write32(ctl, 0x11018, 0xb); - agnx_write32(ctl, AGNX_GCR_DISCOVMOD, 0x0); - - /* Write Frequency to Gain Control Channel */ - agnx_write32(ctl, AGNX_GCR_RXCHANEL, freq); - /* Write 0x140000/Freq to 0x9c08 */ - reg = 0x140000/freq; - agnx_write32(ctl, 0x9c08, reg); - - reg = agnx_read32(ctl, AGNX_PM_SOFTRST); - reg &= ~0x80100030; - agnx_write32(ctl, AGNX_PM_SOFTRST, reg); - - reg = agnx_read32(ctl, AGNX_PM_PLLCTL); - reg &= ~0x20009; - reg |= 0x1; - agnx_write32(ctl, AGNX_PM_PLLCTL, reg); - - agnx_write32(ctl, AGNX_ACI_MODE, 0x0); - -/* FIXME According to Number of Chains: */ - -/* 1. 1: */ -/* 1. Write 0x1203 to RF Chip 0 */ -/* 2. Write 0x1200 to RF Chips 1 +2 */ -/* 2. 2: */ -/* 1. Write 0x1203 to RF Chip 0 */ -/* 2. Write 0x1200 to RF Chip 2 */ -/* 3. Write 0x1201 to RF Chip 1 */ -/* 3. 3: */ -/* 1. Write 0x1203 to RF Chip 0 */ -/* 2. Write 0x1201 to RF Chip 1 + 2 */ -/* 4. 4: */ -/* 1. Write 0x1203 to RF Chip 0 + 1 */ -/* 2. Write 0x1200 to RF Chip 2 */ - -/* 5. 6: */ - spi_rf_write(ctl, RF_CHIP0|RF_CHIP1, 0x1203); - spi_rf_write(ctl, RF_CHIP2, 0x1201); - - spi_rf_write(ctl, RF_CHIP0|RF_CHIP1|RF_CHIP2, 0x1000); - agnx_write32(ctl, AGNX_GCR_RXOVERIDE, 0x0); - - /* FIXME Set the Disable Tx interrupt bit in Interrupt Mask - (Or 0x20000 to Interrupt Mask) */ -/* reg = agnx_read32(ctl, AGNX_INT_MASK); */ -/* reg |= IRQ_TX_DISABLE; */ -/* agnx_write32(ctl, AGNX_INT_MASK, reg); */ - - agnx_write32(ctl, AGNX_GCR_RSTGCTL, 0x1); - agnx_write32(ctl, AGNX_GCR_RSTGCTL, 0x0); - - /* Configure the Antenna */ - antenna_config(priv); - - /* Write 0x0 to Discovery Mode Enable detect G, B, A packet? */ - agnx_write32(ctl, AGNX_GCR_DISCOVMOD, 0); - - reg = agnx_read32(ctl, AGNX_RXM_REQRATE); - reg |= 0x80000000; - agnx_write32(ctl, AGNX_RXM_REQRATE, reg); - agnx_write32(ctl, AGNX_GCR_RSTGCTL, 0x1); - agnx_write32(ctl, AGNX_GCR_RSTGCTL, 0x0); - - /* enable radio on and the power LED */ - reg = agnx_read32(ctl, AGNX_SYSITF_GPIOUT); - reg &= ~0x1; - reg |= 0x2; - agnx_write32(ctl, AGNX_SYSITF_GPIOUT, reg); - - reg = agnx_read32(ctl, AGNX_TXM_CTL); - reg |= 0x1; - agnx_write32(ctl, AGNX_TXM_CTL, reg); -} /* radio_channel_set */ - -static void base_band_filter_calibrate(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - - spi_rf_write(ctl, RF_CHIP0|RF_CHIP1|RF_CHIP2, 0x1700); - spi_rf_write(ctl, RF_CHIP0|RF_CHIP1|RF_CHIP2, 0x1001); - agnx_write32(ctl, AGNX_GCR_FORCECTLCLK, 0x0); - spi_rc_write(ctl, RF_CHIP0, 0x27); - spi_rc_write(ctl, RF_CHIP1, 0x27); - spi_rc_write(ctl, RF_CHIP2, 0x27); - agnx_write32(ctl, AGNX_GCR_FORCECTLCLK, 0x1); -} - -static void print_offset(struct agnx_priv *priv, u32 chain) -{ - void __iomem *ctl = priv->ctl; - u32 offset; - - iowrite32((chain), ctl + AGNX_ACI_SELCHAIN); - udelay(10); - offset = (ioread32(ctl + AGNX_ACI_OFFSET)); - printk(PFX "Chain is 0x%x, Offset is 0x%x\n", chain, offset); -} - -void print_offsets(struct agnx_priv *priv) -{ - print_offset(priv, 0); - print_offset(priv, 4); - print_offset(priv, 1); - print_offset(priv, 5); - print_offset(priv, 2); - print_offset(priv, 6); -} - - -struct chains { - u32 cali; /* calibrate value*/ - -#define NEED_CALIBRATE 0 -#define SUCCESS_CALIBRATE 1 - int status; -}; - -static void chain_calibrate(struct agnx_priv *priv, struct chains *chains, - unsigned int num) -{ - void __iomem *ctl = priv->ctl; - u32 calibra = chains[num].cali; - - if (num < 3) - calibra |= 0x1400; - else - calibra |= 0x1500; - - switch (num) { - case 0: - case 4: - spi_rf_write(ctl, RF_CHIP0, calibra); - break; - case 1: - case 5: - spi_rf_write(ctl, RF_CHIP1, calibra); - break; - case 2: - case 6: - spi_rf_write(ctl, RF_CHIP2, calibra); - break; - default: - BUG(); - } -} /* chain_calibrate */ - -static inline void get_calibrete_value(struct agnx_priv *priv, struct chains *chains, - unsigned int num) -{ - void __iomem *ctl = priv->ctl; - u32 offset; - - iowrite32((num), ctl + AGNX_ACI_SELCHAIN); - /* FIXME */ - udelay(10); - offset = (ioread32(ctl + AGNX_ACI_OFFSET)); - - if (offset < 0xf) { - chains[num].status = SUCCESS_CALIBRATE; - return; - } - - if (num == 0 || num == 1 || num == 2) { - if (0 == chains[num].cali) - chains[num].cali = 0xff; - else - chains[num].cali--; - } else - chains[num].cali++; - - chains[num].status = NEED_CALIBRATE; -} - -static inline void calibra_delay(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - u32 reg; - unsigned int i = 100; - - wmb(); - while (--i) { - reg = (ioread32(ctl + AGNX_ACI_STATUS)); - if (reg == 0x4000) - break; - udelay(10); - } - if (!i) - printk(PFX "calibration failed\n"); -} - -void do_calibration(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - struct chains chains[7]; - unsigned int i, j; - AGNX_TRACE; - - for (i = 0; i < 7; i++) { - if (i == 3) - continue; - - chains[i].cali = 0x7f; - chains[i].status = NEED_CALIBRATE; - } - - /* FIXME 0x300 is a magic number */ - for (j = 0; j < 0x300; j++) { - if (chains[0].status == SUCCESS_CALIBRATE && - chains[1].status == SUCCESS_CALIBRATE && - chains[2].status == SUCCESS_CALIBRATE && - chains[4].status == SUCCESS_CALIBRATE && - chains[5].status == SUCCESS_CALIBRATE && - chains[6].status == SUCCESS_CALIBRATE) - break; - - /* Attention, there is no chain 3 */ - for (i = 0; i < 7; i++) { - if (i == 3) - continue; - if (chains[i].status == NEED_CALIBRATE) - chain_calibrate(priv, chains, i); - } - /* Write 0x1 to Calibration Measure */ - iowrite32((0x1), ctl + AGNX_ACI_MEASURE); - calibra_delay(priv); - - for (i = 0; i < 7; i++) { - if (i == 3) - continue; - - get_calibrete_value(priv, chains, i); - } - } - printk(PFX "Clibrate times is %d\n", j); - print_offsets(priv); -} /* do_calibration */ - -void antenna_calibrate(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - u32 reg; - AGNX_TRACE; - - agnx_write32(ctl, AGNX_GCR_NLISTANT, 0x3); - agnx_write32(ctl, AGNX_GCR_NMEASANT, 0x3); - agnx_write32(ctl, AGNX_GCR_NACTIANT, 0x3); - agnx_write32(ctl, AGNX_GCR_NCAPTANT, 0x3); - - agnx_write32(ctl, AGNX_GCR_ANTCFG, 0x1f); - agnx_write32(ctl, AGNX_GCR_BOACT, 0x24); - agnx_write32(ctl, AGNX_GCR_BOINACT, 0x24); - agnx_write32(ctl, AGNX_GCR_BODYNA, 0x20); - agnx_write32(ctl, AGNX_GCR_THD0A, 0x64); - agnx_write32(ctl, AGNX_GCR_THD0AL, 0x64); - agnx_write32(ctl, AGNX_GCR_THD0B, 0x46); - agnx_write32(ctl, AGNX_GCR_THD0BTFEST, 0x3c); - agnx_write32(ctl, AGNX_GCR_SIGHTH, 0x64); - agnx_write32(ctl, AGNX_GCR_SIGLTH, 0x30); - - spi_rc_write(ctl, RF_CHIP0, 0x20); - /* Fixme */ - udelay(80); - /* 1. Should read 0x0 */ - reg = agnx_read32(ctl, AGNX_SPI_RLSW); - if (0x0 != reg) - printk(KERN_WARNING PFX "Unmatched rf chips result\n"); - spi_rf_write(ctl, RF_CHIP0|RF_CHIP1|RF_CHIP2, 0x1000); - - agnx_write32(ctl, AGNX_GCR_RXOVERIDE, 0x0); - - spi_rc_write(ctl, RF_CHIP0, 0x22); - udelay(80); - reg = agnx_read32(ctl, AGNX_SPI_RLSW); - if (0x0 != reg) - printk(KERN_WARNING PFX "Unmatched rf chips result\n"); - spi_rf_write(ctl, RF_CHIP0|RF_CHIP1|RF_CHIP2, 0x1005); - - agnx_write32(ctl, AGNX_GCR_RSTGCTL, 0x1); - agnx_write32(ctl, AGNX_GCR_RSTGCTL, 0x0); - - reg = agnx_read32(ctl, AGNX_PM_SOFTRST); - reg |= 0x1c000032; - agnx_write32(ctl, AGNX_PM_SOFTRST, reg); - reg = agnx_read32(ctl, AGNX_PM_PLLCTL); - reg |= 0x0003f07; - agnx_write32(ctl, AGNX_PM_PLLCTL, reg); - - reg = agnx_read32(ctl, 0xec50); - reg |= 0x40; - agnx_write32(ctl, 0xec50, reg); - - agnx_write32(ctl, AGNX_GCR_RXOVERIDE, 0xff8); - agnx_write32(ctl, AGNX_GCR_DISCOVMOD, 0x3); - - agnx_write32(ctl, AGNX_GCR_CHAINNUM, 0x6); - agnx_write32(ctl, 0x19874, 0x0); - spi_rf_write(ctl, RF_CHIP0|RF_CHIP1|RF_CHIP2, 0x1700); - - /* Calibrate the BaseBandFilter */ - base_band_filter_calibrate(priv); - - spi_rf_write(ctl, RF_CHIP0|RF_CHIP1|RF_CHIP2, 0x1002); - - agnx_write32(ctl, AGNX_GCR_GAINSET0, 0x1d); - agnx_write32(ctl, AGNX_GCR_GAINSET1, 0x1d); - agnx_write32(ctl, AGNX_GCR_GAINSET2, 0x1d); - agnx_write32(ctl, AGNX_GCR_GAINSETWRITE, 0x1); - - agnx_write32(ctl, AGNX_ACI_MODE, 0x1); - agnx_write32(ctl, AGNX_ACI_LEN, 0x3ff); - - agnx_write32(ctl, AGNX_ACI_TIMER1, 0x27); - agnx_write32(ctl, AGNX_ACI_TIMER2, 0x27); - - spi_rf_write(ctl, RF_CHIP0|RF_CHIP1|RF_CHIP2, 0x1400); - spi_rf_write(ctl, RF_CHIP0|RF_CHIP1|RF_CHIP2, 0x1500); - - /* Measure Calibration */ - agnx_write32(ctl, AGNX_ACI_MEASURE, 0x1); - calibra_delay(priv); - - /* do calibration */ - do_calibration(priv); - - agnx_write32(ctl, AGNX_GCR_RXOVERIDE, 0x0); - agnx_write32(ctl, AGNX_ACI_TIMER1, 0x21); - agnx_write32(ctl, AGNX_ACI_TIMER2, 0x27); - agnx_write32(ctl, AGNX_ACI_LEN, 0xf); - - reg = agnx_read32(ctl, AGNX_GCR_GAINSET0); - reg &= 0xf; - agnx_write32(ctl, AGNX_GCR_GAINSET0, reg); - reg = agnx_read32(ctl, AGNX_GCR_GAINSET1); - reg &= 0xf; - agnx_write32(ctl, AGNX_GCR_GAINSET1, reg); - reg = agnx_read32(ctl, AGNX_GCR_GAINSET2); - reg &= 0xf; - agnx_write32(ctl, AGNX_GCR_GAINSET2, reg); - - agnx_write32(ctl, AGNX_GCR_GAINSETWRITE, 0x0); - disable_receiver(priv); -} /* antenna_calibrate */ - -void __antenna_calibrate(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - u32 reg; - - /* Calibrate the BaseBandFilter */ - /* base_band_filter_calibrate(priv); */ - spi_rf_write(ctl, RF_CHIP0|RF_CHIP1|RF_CHIP2, 0x1002); - - - agnx_write32(ctl, AGNX_GCR_GAINSET0, 0x1d); - agnx_write32(ctl, AGNX_GCR_GAINSET1, 0x1d); - agnx_write32(ctl, AGNX_GCR_GAINSET2, 0x1d); - - agnx_write32(ctl, AGNX_GCR_GAINSETWRITE, 0x1); - - agnx_write32(ctl, AGNX_ACI_MODE, 0x1); - agnx_write32(ctl, AGNX_ACI_LEN, 0x3ff); - - - agnx_write32(ctl, AGNX_ACI_TIMER1, 0x27); - agnx_write32(ctl, AGNX_ACI_TIMER2, 0x27); - spi_rf_write(ctl, RF_CHIP0|RF_CHIP1|RF_CHIP2, 0x1400); - spi_rf_write(ctl, RF_CHIP0|RF_CHIP1|RF_CHIP2, 0x1500); - /* Measure Calibration */ - agnx_write32(ctl, AGNX_ACI_MEASURE, 0x1); - calibra_delay(priv); - do_calibration(priv); - agnx_write32(ctl, AGNX_GCR_RXOVERIDE, 0x0); - - agnx_write32(ctl, AGNX_ACI_TIMER1, 0x21); - agnx_write32(ctl, AGNX_ACI_TIMER2, 0x27); - - agnx_write32(ctl, AGNX_ACI_LEN, 0xf); - - reg = agnx_read32(ctl, AGNX_GCR_GAINSET0); - reg &= 0xf; - agnx_write32(ctl, AGNX_GCR_GAINSET0, reg); - reg = agnx_read32(ctl, AGNX_GCR_GAINSET1); - reg &= 0xf; - agnx_write32(ctl, AGNX_GCR_GAINSET1, reg); - reg = agnx_read32(ctl, AGNX_GCR_GAINSET2); - reg &= 0xf; - agnx_write32(ctl, AGNX_GCR_GAINSET2, reg); - - - agnx_write32(ctl, AGNX_GCR_GAINSETWRITE, 0x0); - - /* Write 0x3 Gain Control Discovery Mode */ - enable_receiver(priv); -} - -int agnx_set_channel(struct agnx_priv *priv, unsigned int channel) -{ - AGNX_TRACE; - - printk(KERN_ERR PFX "Channel is %d %s\n", channel, __func__); - radio_channel_set(priv, channel); - return 0; -} diff --git a/drivers/staging/agnx/sta.c b/drivers/staging/agnx/sta.c deleted file mode 100644 index 3e7db5e2811..00000000000 --- a/drivers/staging/agnx/sta.c +++ /dev/null @@ -1,218 +0,0 @@ -#include <linux/delay.h> -#include <linux/etherdevice.h> -#include "phy.h" -#include "sta.h" -#include "debug.h" - -void hash_read(struct agnx_priv *priv, u32 reghi, u32 reglo, u8 sta_id) -{ - void __iomem *ctl = priv->ctl; - - reglo &= 0xFFFF; - reglo |= 0x30000000; - reglo |= 0x40000000; /* Set status busy */ - reglo |= sta_id << 16; - - iowrite32(0, ctl + AGNX_RXM_HASH_CMD_FLAG); - iowrite32(reghi, ctl + AGNX_RXM_HASH_CMD_HIGH); - iowrite32(reglo, ctl + AGNX_RXM_HASH_CMD_LOW); - - reghi = ioread32(ctl + AGNX_RXM_HASH_CMD_HIGH); - reglo = ioread32(ctl + AGNX_RXM_HASH_CMD_LOW); - printk(PFX "RX hash cmd are : %.8x%.8x\n", reghi, reglo); -} - -void hash_write(struct agnx_priv *priv, const u8 *mac_addr, u8 sta_id) -{ - void __iomem *ctl = priv->ctl; - u32 reghi, reglo; - - if (!is_valid_ether_addr(mac_addr)) - printk(KERN_WARNING PFX "Update hash table: Invalid hwaddr!\n"); - - reghi = mac_addr[0] << 24 | mac_addr[1] << 16 | mac_addr[2] << 8 | mac_addr[3]; - reglo = mac_addr[4] << 8 | mac_addr[5]; - reglo |= 0x10000000; /* Set hash commmand */ - reglo |= 0x40000000; /* Set status busy */ - reglo |= sta_id << 16; - - iowrite32(0, ctl + AGNX_RXM_HASH_CMD_FLAG); - iowrite32(reghi, ctl + AGNX_RXM_HASH_CMD_HIGH); - iowrite32(reglo, ctl + AGNX_RXM_HASH_CMD_LOW); - - reglo = ioread32(ctl + AGNX_RXM_HASH_CMD_LOW); - if (!(reglo & 0x80000000)) - printk(KERN_WARNING PFX "Update hash table failed\n"); -} - -void hash_delete(struct agnx_priv *priv, u32 reghi, u32 reglo, u8 sta_id) -{ - void __iomem *ctl = priv->ctl; - - reglo &= 0xFFFF; - reglo |= 0x20000000; - reglo |= 0x40000000; /* Set status busy */ - reglo |= sta_id << 16; - - iowrite32(0, ctl + AGNX_RXM_HASH_CMD_FLAG); - iowrite32(reghi, ctl + AGNX_RXM_HASH_CMD_HIGH); - iowrite32(reglo, ctl + AGNX_RXM_HASH_CMD_LOW); - reghi = ioread32(ctl + AGNX_RXM_HASH_CMD_HIGH); - - reglo = ioread32(ctl + AGNX_RXM_HASH_CMD_LOW); - printk(PFX "RX hash cmd are : %.8x%.8x\n", reghi, reglo); - -} - -void hash_dump(struct agnx_priv *priv, u8 sta_id) -{ - void __iomem *ctl = priv->ctl; - u32 reghi, reglo; - - reglo = 0x40000000; /* status bit */ - iowrite32(reglo, ctl + AGNX_RXM_HASH_CMD_LOW); - iowrite32(sta_id << 16, ctl + AGNX_RXM_HASH_DUMP_DATA); - - udelay(80); - - reghi = ioread32(ctl + AGNX_RXM_HASH_CMD_HIGH); - reglo = ioread32(ctl + AGNX_RXM_HASH_CMD_LOW); - printk(PFX "hash cmd are : %.8x%.8x\n", reghi, reglo); - reghi = ioread32(ctl + AGNX_RXM_HASH_CMD_FLAG); - printk(PFX "hash flag is : %.8x\n", reghi); - reghi = ioread32(ctl + AGNX_RXM_HASH_DUMP_MST); - reglo = ioread32(ctl + AGNX_RXM_HASH_DUMP_LST); - printk(PFX "hash dump mst lst: %.8x%.8x\n", reghi, reglo); - reghi = ioread32(ctl + AGNX_RXM_HASH_DUMP_DATA); - printk(PFX "hash dump data: %.8x\n", reghi); -} - -void get_sta_power(struct agnx_priv *priv, struct agnx_sta_power *power, unsigned int sta_idx) -{ - void __iomem *ctl = priv->ctl; - memcpy_fromio(power, ctl + AGNX_TXM_STAPOWTEMP + sizeof(*power) * sta_idx, - sizeof(*power)); -} - -inline void -set_sta_power(struct agnx_priv *priv, struct agnx_sta_power *power, unsigned int sta_idx) -{ - void __iomem *ctl = priv->ctl; - /* FIXME 2. Write Template to offset + station number */ - memcpy_toio(ctl + AGNX_TXM_STAPOWTEMP + sizeof(*power) * sta_idx, - power, sizeof(*power)); -} - - -void get_sta_tx_wq(struct agnx_priv *priv, struct agnx_sta_tx_wq *tx_wq, - unsigned int sta_idx, unsigned int wq_idx) -{ - void __iomem *data = priv->data; - memcpy_fromio(tx_wq, data + AGNX_PDU_TX_WQ + sizeof(*tx_wq) * STA_TX_WQ_NUM * sta_idx + - sizeof(*tx_wq) * wq_idx, sizeof(*tx_wq)); - -} - -inline void set_sta_tx_wq(struct agnx_priv *priv, struct agnx_sta_tx_wq *tx_wq, - unsigned int sta_idx, unsigned int wq_idx) -{ - void __iomem *data = priv->data; - memcpy_toio(data + AGNX_PDU_TX_WQ + sizeof(*tx_wq) * STA_TX_WQ_NUM * sta_idx + - sizeof(*tx_wq) * wq_idx, tx_wq, sizeof(*tx_wq)); -} - - -void get_sta(struct agnx_priv *priv, struct agnx_sta *sta, unsigned int sta_idx) -{ - void __iomem *data = priv->data; - - memcpy_fromio(sta, data + AGNX_PDUPOOL + sizeof(*sta) * sta_idx, - sizeof(*sta)); -} - -inline void set_sta(struct agnx_priv *priv, struct agnx_sta *sta, unsigned int sta_idx) -{ - void __iomem *data = priv->data; - - memcpy_toio(data + AGNX_PDUPOOL + sizeof(*sta) * sta_idx, - sta, sizeof(*sta)); -} - -/* FIXME */ -void sta_power_init(struct agnx_priv *priv, unsigned int sta_idx) -{ - struct agnx_sta_power power; - u32 reg; - AGNX_TRACE; - - memset(&power, 0, sizeof(power)); - reg = agnx_set_bits(EDCF, EDCF_SHIFT, 0x1); - power.reg = cpu_to_le32(reg); - set_sta_power(priv, &power, sta_idx); - udelay(40); -} /* add_power_template */ - - -/* @num: The #number of station that is visible to the card */ -static void sta_tx_workqueue_init(struct agnx_priv *priv, unsigned int sta_idx) -{ - struct agnx_sta_tx_wq tx_wq; - u32 reg; - unsigned int i; - - memset(&tx_wq, 0, sizeof(tx_wq)); - - reg = agnx_set_bits(WORK_QUEUE_VALID, WORK_QUEUE_VALID_SHIFT, 1); - reg |= agnx_set_bits(WORK_QUEUE_ACK_TYPE, WORK_QUEUE_ACK_TYPE_SHIFT, 1); -/* reg |= agnx_set_bits(WORK_QUEUE_ACK_TYPE, WORK_QUEUE_ACK_TYPE_SHIFT, 0); */ - tx_wq.reg2 |= cpu_to_le32(reg); - - /* Suppose all 8 traffic class are used */ - for (i = 0; i < STA_TX_WQ_NUM; i++) - set_sta_tx_wq(priv, &tx_wq, sta_idx, i); -} /* sta_tx_workqueue_init */ - - -static void sta_traffic_init(struct agnx_sta_traffic *traffic) -{ - u32 reg; - memset(traffic, 0, sizeof(*traffic)); - - reg = agnx_set_bits(NEW_PACKET, NEW_PACKET_SHIFT, 1); - reg |= agnx_set_bits(TRAFFIC_VALID, TRAFFIC_VALID_SHIFT, 1); -/* reg |= agnx_set_bits(TRAFFIC_ACK_TYPE, TRAFFIC_ACK_TYPE_SHIFT, 1); */ - traffic->reg0 = cpu_to_le32(reg); - - /* 3. setting RX Sequence Number to 4095 */ - reg = agnx_set_bits(RX_SEQUENCE_NUM, RX_SEQUENCE_NUM_SHIFT, 4095); - traffic->reg1 = cpu_to_le32(reg); -} - - -/* @num: The #number of station that is visible to the card */ -void sta_init(struct agnx_priv *priv, unsigned int sta_idx) -{ - /* FIXME the length of sta is 256 bytes Is that - * dangerous to stack overflow? */ - struct agnx_sta sta; - u32 reg; - int i; - - memset(&sta, 0, sizeof(sta)); - /* Set valid to 1 */ - reg = agnx_set_bits(STATION_VALID, STATION_VALID_SHIFT, 1); - /* Set Enable Concatenation to 0 (?) */ - reg |= agnx_set_bits(ENABLE_CONCATENATION, ENABLE_CONCATENATION_SHIFT, 0); - /* Set Enable Decompression to 0 (?) */ - reg |= agnx_set_bits(ENABLE_DECOMPRESSION, ENABLE_DECOMPRESSION_SHIFT, 0); - sta.reg = cpu_to_le32(reg); - - /* Initialize each of the Traffic Class Structures by: */ - for (i = 0; i < 8; i++) - sta_traffic_init(sta.traffic + i); - - set_sta(priv, &sta, sta_idx); - sta_tx_workqueue_init(priv, sta_idx); -} /* sta_descriptor_init */ - - diff --git a/drivers/staging/agnx/sta.h b/drivers/staging/agnx/sta.h deleted file mode 100644 index fd504e3f387..00000000000 --- a/drivers/staging/agnx/sta.h +++ /dev/null @@ -1,222 +0,0 @@ -#ifndef AGNX_STA_H_ -#define AGNX_STA_H_ - -#define STA_TX_WQ_NUM 8 /* The number of TX workqueue one STA has */ - -struct agnx_hash_cmd { - __be32 cmdhi; -#define MACLO 0xFFFF0000 -#define MACLO_SHIFT 16 -#define STA_ID 0x0000FFF0 -#define STA_ID_SHIFT 4 -#define CMD 0x0000000C -#define CMD_SHIFT 2 -#define STATUS 0x00000002 -#define STATUS_SHIFT 1 -#define PASS 0x00000001 -#define PASS_SHIFT 1 - __be32 cmdlo; -} __attribute__((__packed__)); - - -/* - * Station Power Template - * FIXME Just for agn100 yet - */ -struct agnx_sta_power { - __le32 reg; -#define SIGNAL 0x000000FF /* signal */ -#define SIGNAL_SHIFT 0 -#define RATE 0x00000F00 -#define RATE_SHIFT 8 -#define TIFS 0x00001000 -#define TIFS_SHIFT 12 -#define EDCF 0x00002000 -#define EDCF_SHIFT 13 -#define CHANNEL_BOND 0x00004000 -#define CHANNEL_BOND_SHIFT 14 -#define PHY_MODE 0x00038000 -#define PHY_MODE_SHIFT 15 -#define POWER_LEVEL 0x007C0000 -#define POWER_LEVEL_SHIFT 18 -#define NUM_TRANSMITTERS 0x00800000 -#define NUM_TRANSMITTERS_SHIFT 23 -} __attribute__((__packed__)); - -/* - * TX Workqueue Descriptor - */ -struct agnx_sta_tx_wq { - __le32 reg0; -#define HEAD_POINTER_LOW 0xFF000000 /* Head pointer low */ -#define HEAD_POINTER_LOW_SHIFT 24 -#define TAIL_POINTER 0x00FFFFFF /* Tail pointer */ -#define TAIL_POINTER_SHIFT 0 - - __le32 reg3; -#define ACK_POINTER_LOW 0xFFFF0000 /* ACK pointer low */ -#define ACK_POINTER_LOW_SHIFT 16 -#define HEAD_POINTER_HIGH 0x0000FFFF /* Head pointer high */ -#define HEAD_POINTER_HIGH_SHIFT 0 - - __le32 reg1; -/* ACK timeout tail packet count */ -#define ACK_TIMOUT_TAIL_PACK_CNT 0xFFF00000 -#define ACK_TIMOUT_TAIL_PACK_CNT_SHIFT 20 -/* Head timeout tail packet count */ -#define HEAD_TIMOUT_TAIL_PACK_CNT 0x000FFF00 -#define HEAD_TIMOUT_TAIL_PACK_CNT_SHIFT 8 -#define ACK_POINTER_HIGH 0x000000FF /* ACK pointer high */ -#define ACK_POINTER_HIGH_SHIFT 0 - - __le32 reg2; -#define WORK_QUEUE_VALID 0x80000000 /* valid */ -#define WORK_QUEUE_VALID_SHIFT 31 -#define WORK_QUEUE_ACK_TYPE 0x40000000 /* ACK type */ -#define WORK_QUEUE_ACK_TYPE_SHIFT 30 -/* Head timeout window limit fragmentation count */ -#define HEAD_TIMOUT_WIN_LIM_FRAG_CNT 0x3FFF0000 -#define HEAD_TIMOUT_WIN_LIM_FRAG_CNT_SHIFT 16 -/* Head timeout window limit byte count */ -#define HEAD_TIMOUT_WIN_LIM_BYTE_CNT 0x0000FFFF -#define HEAD_TIMOUT_WIN_LIM_BYTE_CNT_SHIFT 0 -} __attribute__((__packed__)); - - -/* - * Traffic Class Structure - */ -struct agnx_sta_traffic { - __le32 reg0; -#define ACK_TIMOUT_CNT 0xFF800000 /* ACK Timeout Counts */ -#define ACK_TIMOUT_CNT_SHIFT 23 -#define TRAFFIC_ACK_TYPE 0x00600000 /* ACK Type */ -#define TRAFFIC_ACK_TYPE_SHIFT 21 -#define NEW_PACKET 0x00100000 /* New Packet */ -#define NEW_PACKET_SHIFT 20 -#define TRAFFIC_VALID 0x00080000 /* Valid */ -#define TRAFFIC_VALID_SHIFT 19 -#define RX_HDR_DESC_POINTER 0x0007FFFF /* RX Header Descripter pointer */ -#define RX_HDR_DESC_POINTER_SHIFT 0 - - __le32 reg1; -#define RX_PACKET_TIMESTAMP 0xFFFF0000 /* RX Packet Timestamp */ -#define RX_PACKET_TIMESTAMP_SHIFT 16 -#define TRAFFIC_RESERVED 0x0000E000 /* Reserved */ -#define TRAFFIC_RESERVED_SHIFT 13 -#define SV 0x00001000 /* sv */ -#define SV_SHIFT 12 -#define RX_SEQUENCE_NUM 0x00000FFF /* RX Sequence Number */ -#define RX_SEQUENCE_NUM_SHIFT 0 - - __le32 tx_replay_cnt_low; /* TX Replay Counter Low */ - - __le16 tx_replay_cnt_high; /* TX Replay Counter High */ - __le16 rx_replay_cnt_high; /* RX Replay Counter High */ - - __be32 rx_replay_cnt_low; /* RX Replay Counter Low */ -} __attribute__((__packed__)); - -/* - * Station Descriptors - */ -struct agnx_sta { - __le32 tx_session_keys[4]; /* Transmit Session Key (0-3) */ - __le32 rx_session_keys[4]; /* Receive Session Key (0-3) */ - - __le32 reg; -#define ID_1 0xC0000000 /* id 1 */ -#define ID_1_SHIFT 30 -#define ID_0 0x30000000 /* id 0 */ -#define ID_0_SHIFT 28 -#define ENABLE_CONCATENATION 0x0FF00000 /* Enable concatenation */ -#define ENABLE_CONCATENATION_SHIFT 20 -#define ENABLE_DECOMPRESSION 0x000FF000 /* Enable decompression */ -#define ENABLE_DECOMPRESSION_SHIFT 12 -#define STA_RESERVED 0x00000C00 /* Reserved */ -#define STA_RESERVED_SHIFT 10 -#define EAP 0x00000200 /* EAP */ -#define EAP_SHIFT 9 -#define ED_NULL 0x00000100 /* ED NULL */ -#define ED_NULL_SHIFT 8 -#define ENCRYPTION_POLICY 0x000000E0 /* Encryption Policy */ -#define ENCRYPTION_POLICY_SHIFT 5 -#define DEFINED_KEY_ID 0x00000018 /* Defined Key ID */ -#define DEFINED_KEY_ID_SHIFT 3 -#define FIXED_KEY 0x00000004 /* Fixed Key */ -#define FIXED_KEY_SHIFT 2 -#define KEY_VALID 0x00000002 /* Key Valid */ -#define KEY_VALID_SHIFT 1 -#define STATION_VALID 0x00000001 /* Station Valid */ -#define STATION_VALID_SHIFT 0 - - __le32 tx_aes_blks_unicast; /* TX AES Blks Unicast */ - __le32 rx_aes_blks_unicast; /* RX AES Blks Unicast */ - - __le16 aes_format_err_unicast_cnt; /* AES Format Error Unicast Counts */ - __le16 aes_replay_unicast; /* AES Replay Unicast */ - - __le16 aes_decrypt_err_unicast; /* AES Decrypt Error Unicast */ - __le16 aes_decrypt_err_default; /* AES Decrypt Error default */ - - __le16 single_retry_packets; /* Single Retry Packets */ - __le16 failed_tx_packets; /* Failed Tx Packets */ - - __le16 muti_retry_packets; /* Multiple Retry Packets */ - __le16 ack_timeouts; /* ACK Timeouts */ - - __le16 frag_tx_cnt; /* Fragment TX Counts */ - __le16 rts_brq_sent; /* RTS Brq Sent */ - - __le16 tx_packets; /* TX Packets */ - __le16 cts_back_timeout; /* CTS Back Timeout */ - - __le32 phy_stats_high; /* PHY Stats High */ - __le32 phy_stats_low; /* PHY Stats Low */ - - struct agnx_sta_traffic traffic[8]; /* Traffic Class Structure (8) */ - - __le16 traffic_class0_frag_success; /* Traffic Class 0 Fragment Success */ - __le16 traffic_class1_frag_success; /* Traffic Class 1 Fragment Success */ - __le16 traffic_class2_frag_success; /* Traffic Class 2 Fragment Success */ - __le16 traffic_class3_frag_success; /* Traffic Class 3 Fragment Success */ - __le16 traffic_class4_frag_success; /* Traffic Class 4 Fragment Success */ - __le16 traffic_class5_frag_success; /* Traffic Class 5 Fragment Success */ - __le16 traffic_class6_frag_success; /* Traffic Class 6 Fragment Success */ - __le16 traffic_class7_frag_success; /* Traffic Class 7 Fragment Success */ - - __le16 num_frag_non_prime_rates; /* number of Fragments for non-prime rates */ - __le16 ack_timeout_non_prime_rates; /* ACK Timeout for non-prime rates */ - -} __attribute__((__packed__)); - - -struct agnx_beacon_hdr { - struct agnx_sta_power power; /* Tx Station Power Template */ - u8 phy_hdr[6]; /* PHY Hdr */ - u8 frame_len_lo; /* Frame Length Lo */ - u8 frame_len_hi; /* Frame Length Hi */ - u8 mac_hdr[24]; /* MAC Header */ - /* FIXME */ - /* 802.11(abg) beacon */ -} __attribute__((__packed__)); - -void hash_write(struct agnx_priv *priv, const u8 *mac_addr, u8 sta_id); -void hash_dump(struct agnx_priv *priv, u8 sta_id); -void hash_read(struct agnx_priv *priv, u32 reghi, u32 reglo, u8 sta_id); -void hash_delete(struct agnx_priv *priv, u32 reghi, u32 reglo, u8 sta_id); - -void get_sta_power(struct agnx_priv *priv, struct agnx_sta_power *power, unsigned int sta_idx); -void set_sta_power(struct agnx_priv *priv, struct agnx_sta_power *power, - unsigned int sta_idx); -void get_sta_tx_wq(struct agnx_priv *priv, struct agnx_sta_tx_wq *tx_wq, - unsigned int sta_idx, unsigned int wq_idx); -void set_sta_tx_wq(struct agnx_priv *priv, struct agnx_sta_tx_wq *tx_wq, - unsigned int sta_idx, unsigned int wq_idx); -void get_sta(struct agnx_priv *priv, struct agnx_sta *sta, unsigned int sta_idx); -void set_sta(struct agnx_priv *priv, struct agnx_sta *sta, unsigned int sta_idx); - -void sta_power_init(struct agnx_priv *priv, unsigned int num); -void sta_init(struct agnx_priv *priv, unsigned int num); - -#endif /* AGNX_STA_H_ */ diff --git a/drivers/staging/agnx/table.c b/drivers/staging/agnx/table.c deleted file mode 100644 index b52fef9db0e..00000000000 --- a/drivers/staging/agnx/table.c +++ /dev/null @@ -1,168 +0,0 @@ -#include <linux/pci.h> -#include <linux/delay.h> -#include "agnx.h" -#include "debug.h" -#include "phy.h" - -static const u32 -tx_fir_table[] = { 0x19, 0x5d, 0xce, 0x151, 0x1c3, 0x1ff, 0x1ea, 0x17c, 0xcf, - 0x19, 0x38e, 0x350, 0x362, 0x3ad, 0x5, 0x44, 0x59, 0x49, - 0x21, 0x3f7, 0x3e0, 0x3e3, 0x3f3, 0x0 }; - -void tx_fir_table_init(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - int i; - - for (i = 0; i < ARRAY_SIZE(tx_fir_table); i++) - iowrite32(tx_fir_table[i], ctl + AGNX_FIR_BASE + i*4); -} /* fir_table_setup */ - - -static const u32 -gain_table[] = { 0x8, 0x8, 0xf, 0x13, 0x17, 0x1b, 0x1f, 0x23, 0x27, 0x2b, - 0x2f, 0x33, 0x37, 0x3b, 0x3f, 0x43, 0x47, 0x4b, 0x4f, - 0x53, 0x57, 0x5b, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, - 0x5f, 0x5f, 0x5f, 0x5f }; - -void gain_table_init(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - int i; - - for (i = 0; i < ARRAY_SIZE(gain_table); i++) { - iowrite32(gain_table[i], ctl + AGNX_GAIN_TABLE + i*4); - iowrite32(gain_table[i], ctl + AGNX_GAIN_TABLE + i*4 + 0x80); - } -} /* gain_table_init */ - -void monitor_gain_table_init(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - unsigned int i; - - for (i = 0; i < 0x44; i += 4) { - iowrite32(0x61, ctl + AGNX_MONGCR_BASE + i); - iowrite32(0x61, ctl + AGNX_MONGCR_BASE + 0x200 + i); - } - for (i = 0x44; i < 0x64; i += 4) { - iowrite32(0x6e, ctl + AGNX_MONGCR_BASE + i); - iowrite32(0x6e, ctl + AGNX_MONGCR_BASE + 0x200 + i); - } - for (i = 0x64; i < 0x94; i += 4) { - iowrite32(0x7a, ctl + AGNX_MONGCR_BASE + i); - iowrite32(0x7a, ctl + AGNX_MONGCR_BASE + 0x200 + i); - } - for (i = 0x94; i < 0xdc; i += 4) { - iowrite32(0x87, ctl + AGNX_MONGCR_BASE + i); - iowrite32(0x87, ctl + AGNX_MONGCR_BASE + 0x200 + i); - } - for (i = 0xdc; i < 0x148; i += 4) { - iowrite32(0x95, ctl + AGNX_MONGCR_BASE + i); - iowrite32(0x95, ctl + AGNX_MONGCR_BASE + 0x200 + i); - } - for (i = 0x148; i < 0x1e8; i += 4) { - iowrite32(0xa2, ctl + AGNX_MONGCR_BASE + i); - iowrite32(0xa2, ctl + AGNX_MONGCR_BASE + 0x200 + i); - } - for (i = 0x1e8; i <= 0x1fc; i += 4) { - iowrite32(0xb0, ctl + AGNX_MONGCR_BASE + i); - iowrite32(0xb0, ctl + AGNX_MONGCR_BASE + 0x200 + i); - } -} /* monitor_gain_table_init */ - - -void routing_table_init(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - unsigned int type, subtype; - u32 reg; - - disable_receiver(priv); - - for (type = 0; type < 0x3; type++) { - for (subtype = 0; subtype < 0x10; subtype++) { - /* 1. Set Routing table to R/W and to Return status on Read */ - reg = (type << ROUTAB_TYPE_SHIFT) | - (subtype << ROUTAB_SUBTYPE_SHIFT); - reg |= (1 << ROUTAB_RW_SHIFT) | (1 << ROUTAB_STATUS_SHIFT); - if (type == ROUTAB_TYPE_DATA) { - /* NULL goes to RFP */ - if (subtype == ROUTAB_SUBTYPE_NULL) -/* reg |= ROUTAB_ROUTE_RFP; */ - reg |= ROUTAB_ROUTE_CPU; - /* QOS NULL goes to CPU */ - else if (subtype == ROUTAB_SUBTYPE_QOSNULL) - reg |= ROUTAB_ROUTE_CPU; - /* All Data and QOS data subtypes go to Encryption */ - else if ((subtype == ROUTAB_SUBTYPE_DATA) || - (subtype == ROUTAB_SUBTYPE_DATAACK) || - (subtype == ROUTAB_SUBTYPE_DATAPOLL) || - (subtype == ROUTAB_SUBTYPE_DATAPOLLACK) || - (subtype == ROUTAB_SUBTYPE_QOSDATA) || - (subtype == ROUTAB_SUBTYPE_QOSDATAACK) || - (subtype == ROUTAB_SUBTYPE_QOSDATAPOLL) || - (subtype == ROUTAB_SUBTYPE_QOSDATAACKPOLL)) - reg |= ROUTAB_ROUTE_ENCRY; -/* reg |= ROUTAB_ROUTE_CPU; */ - /*Drop NULL and QOS NULL ack, poll and poll ack*/ - else if ((subtype == ROUTAB_SUBTYPE_NULLACK) || - (subtype == ROUTAB_SUBTYPE_QOSNULLACK) || - (subtype == ROUTAB_SUBTYPE_NULLPOLL) || - (subtype == ROUTAB_SUBTYPE_QOSNULLPOLL) || - (subtype == ROUTAB_SUBTYPE_NULLPOLLACK) || - (subtype == ROUTAB_SUBTYPE_QOSNULLPOLLACK)) -/* reg |= ROUTAB_ROUTE_DROP; */ - reg |= ROUTAB_ROUTE_CPU; - } else { - reg |= (ROUTAB_ROUTE_CPU); - } - iowrite32(reg, ctl + AGNX_RXM_ROUTAB); - /* Check to verify that the status bit cleared */ - routing_table_delay(); - } - } - enable_receiver(priv); -} /* routing_table_init */ - -void tx_engine_lookup_tbl_init(struct agnx_priv *priv) -{ - void __iomem *data = priv->data; - unsigned int i; - - for (i = 0; i <= 28; i += 4) - iowrite32(0xb00c, data + AGNX_ENGINE_LOOKUP_TBL + i); - for (i = 32; i <= 120; i += 8) { - iowrite32(0x1e58, data + AGNX_ENGINE_LOOKUP_TBL + i); - iowrite32(0xb00c, data + AGNX_ENGINE_LOOKUP_TBL + i + 4); - } - - for (i = 128; i <= 156; i += 4) - iowrite32(0x980c, data + AGNX_ENGINE_LOOKUP_TBL + i); - for (i = 160; i <= 248; i += 8) { - iowrite32(0x1858, data + AGNX_ENGINE_LOOKUP_TBL + i); - iowrite32(0x980c, data + AGNX_ENGINE_LOOKUP_TBL + i + 4); - } - - for (i = 256; i <= 284; i += 4) - iowrite32(0x980c, data + AGNX_ENGINE_LOOKUP_TBL + i); - for (i = 288; i <= 376; i += 8) { - iowrite32(0x1a58, data + AGNX_ENGINE_LOOKUP_TBL + i); - iowrite32(0x1858, data + AGNX_ENGINE_LOOKUP_TBL + i + 4); - } - - for (i = 512; i <= 540; i += 4) - iowrite32(0xc00c, data + AGNX_ENGINE_LOOKUP_TBL + i); - for (i = 544; i <= 632; i += 8) { - iowrite32(0x2058, data + AGNX_ENGINE_LOOKUP_TBL + i); - iowrite32(0xc00c, data + AGNX_ENGINE_LOOKUP_TBL + i + 4); - } - - for (i = 640; i <= 668; i += 4) - iowrite32(0xc80c, data + AGNX_ENGINE_LOOKUP_TBL + i); - for (i = 672; i <= 764; i += 8) { - iowrite32(0x2258, data + AGNX_ENGINE_LOOKUP_TBL + i); - iowrite32(0xc80c, data + AGNX_ENGINE_LOOKUP_TBL + i + 4); - } -} - diff --git a/drivers/staging/agnx/table.h b/drivers/staging/agnx/table.h deleted file mode 100644 index f0626b5ee86..00000000000 --- a/drivers/staging/agnx/table.h +++ /dev/null @@ -1,10 +0,0 @@ -#ifndef AGNX_TABLE_H_ -#define AGNX_TABLE_H_ - -void tx_fir_table_init(struct agnx_priv *priv); -void gain_table_init(struct agnx_priv *priv); -void monitor_gain_table_init(struct agnx_priv *priv); -void routing_table_init(struct agnx_priv *priv); -void tx_engine_lookup_tbl_init(struct agnx_priv *priv); - -#endif /* AGNX_TABLE_H_ */ diff --git a/drivers/staging/agnx/xmit.c b/drivers/staging/agnx/xmit.c deleted file mode 100644 index 42db41070cf..00000000000 --- a/drivers/staging/agnx/xmit.c +++ /dev/null @@ -1,836 +0,0 @@ -/** - * Airgo MIMO wireless driver - * - * Copyright (c) 2007 Li YanBo <dreamfly281@gmail.com> - - * Thanks for Jeff Williams <angelbane@gmail.com> do reverse engineer - * works and published the SPECS at http://airgo.wdwconsulting.net/mymoin - - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/pci.h> -#include <linux/delay.h> -#include "agnx.h" -#include "debug.h" -#include "phy.h" - -unsigned int rx_frame_cnt; -/* unsigned int local_tx_sent_cnt = 0; */ - -static inline void disable_rx_engine(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - iowrite32(0x100, ctl + AGNX_CIR_RXCTL); - /* Wait for RX Control to have the Disable Rx Interrupt (0x100) set */ - ioread32(ctl + AGNX_CIR_RXCTL); -} - -static inline void enable_rx_engine(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - iowrite32(0x80, ctl + AGNX_CIR_RXCTL); - ioread32(ctl + AGNX_CIR_RXCTL); -} - -inline void disable_rx_interrupt(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - u32 reg; - - disable_rx_engine(priv); - reg = ioread32(ctl + AGNX_CIR_RXCFG); - reg &= ~0x20; - iowrite32(reg, ctl + AGNX_CIR_RXCFG); - ioread32(ctl + AGNX_CIR_RXCFG); -} - -inline void enable_rx_interrupt(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - u32 reg; - - reg = ioread32(ctl + AGNX_CIR_RXCFG); - reg |= 0x20; - iowrite32(reg, ctl + AGNX_CIR_RXCFG); - ioread32(ctl + AGNX_CIR_RXCFG); - enable_rx_engine(priv); -} - -static inline void rx_desc_init(struct agnx_priv *priv, unsigned int idx) -{ - struct agnx_desc *desc = priv->rx.desc + idx; - struct agnx_info *info = priv->rx.info + idx; - - memset(info, 0, sizeof(*info)); - - info->dma_len = IEEE80211_MAX_RTS_THRESHOLD + sizeof(struct agnx_hdr); - info->skb = dev_alloc_skb(info->dma_len); - if (info->skb == NULL) - agnx_bug("refill err"); - - info->mapping = pci_map_single(priv->pdev, skb_tail_pointer(info->skb), - info->dma_len, PCI_DMA_FROMDEVICE); - memset(desc, 0, sizeof(*desc)); - desc->dma_addr = cpu_to_be32(info->mapping); - /* Set the owner to the card */ - desc->frag = cpu_to_be32(be32_to_cpu(desc->frag) | OWNER); -} - -static inline void rx_desc_reinit(struct agnx_priv *priv, unsigned int idx) -{ - struct agnx_info *info = priv->rx.info + idx; - - /* Cause ieee80211 will free the skb buffer, so we needn't to free it again?! */ - pci_unmap_single(priv->pdev, info->mapping, info->dma_len, PCI_DMA_FROMDEVICE); - rx_desc_init(priv, idx); -} - -static inline void rx_desc_reusing(struct agnx_priv *priv, unsigned int idx) -{ - struct agnx_desc *desc = priv->rx.desc + idx; - struct agnx_info *info = priv->rx.info + idx; - - memset(desc, 0, sizeof(*desc)); - desc->dma_addr = cpu_to_be32(info->mapping); - /* Set the owner to the card */ - desc->frag = cpu_to_be32(be32_to_cpu(desc->frag) | OWNER); -} - -static void rx_desc_free(struct agnx_priv *priv, unsigned int idx) -{ - struct agnx_desc *desc = priv->rx.desc + idx; - struct agnx_info *info = priv->rx.info + idx; - - BUG_ON(!desc || !info); - if (info->mapping) - pci_unmap_single(priv->pdev, info->mapping, info->dma_len, PCI_DMA_FROMDEVICE); - if (info->skb) - dev_kfree_skb(info->skb); - memset(info, 0, sizeof(*info)); - memset(desc, 0, sizeof(*desc)); -} - -static inline void __tx_desc_free(struct agnx_priv *priv, - struct agnx_desc *desc, struct agnx_info *info) -{ - BUG_ON(!desc || !info); - /* TODO make sure mapping, skb and len are consistency */ - if (info->mapping) - pci_unmap_single(priv->pdev, info->mapping, - info->dma_len, PCI_DMA_TODEVICE); - if (info->type == PACKET) - dev_kfree_skb(info->skb); - - memset(info, 0, sizeof(*info)); - memset(desc, 0, sizeof(*desc)); -} - -static void txm_desc_free(struct agnx_priv *priv, unsigned int idx) -{ - struct agnx_desc *desc = priv->txm.desc + idx; - struct agnx_info *info = priv->txm.info + idx; - - __tx_desc_free(priv, desc, info); -} - -static void txd_desc_free(struct agnx_priv *priv, unsigned int idx) -{ - struct agnx_desc *desc = priv->txd.desc + idx; - struct agnx_info *info = priv->txd.info + idx; - - __tx_desc_free(priv, desc, info); -} - -int fill_rings(struct agnx_priv *priv) -{ - void __iomem *ctl = priv->ctl; - unsigned int i; - u32 reg; - AGNX_TRACE; - - priv->txd.idx_sent = priv->txm.idx_sent = 0; - priv->rx.idx = priv->txm.idx = priv->txd.idx = 0; - - for (i = 0; i < priv->rx.size; i++) - rx_desc_init(priv, i); - for (i = 0; i < priv->txm.size; i++) { - memset(priv->txm.desc + i, 0, sizeof(struct agnx_desc)); - memset(priv->txm.info + i, 0, sizeof(struct agnx_info)); - } - for (i = 0; i < priv->txd.size; i++) { - memset(priv->txd.desc + i, 0, sizeof(struct agnx_desc)); - memset(priv->txd.info + i, 0, sizeof(struct agnx_info)); - } - - /* FIXME Set the card RX TXM and TXD address */ - agnx_write32(ctl, AGNX_CIR_RXCMSTART, priv->rx.dma); - agnx_write32(ctl, AGNX_CIR_RXCMEND, priv->txm.dma); - - agnx_write32(ctl, AGNX_CIR_TXMSTART, priv->txm.dma); - agnx_write32(ctl, AGNX_CIR_TXMEND, priv->txd.dma); - - agnx_write32(ctl, AGNX_CIR_TXDSTART, priv->txd.dma); - agnx_write32(ctl, AGNX_CIR_TXDEND, priv->txd.dma + - sizeof(struct agnx_desc) * priv->txd.size); - - /* FIXME Relinquish control of rings to card */ - reg = agnx_read32(ctl, AGNX_CIR_BLKCTL); - reg &= ~0x800; - agnx_write32(ctl, AGNX_CIR_BLKCTL, reg); - return 0; -} /* fill_rings */ - -void unfill_rings(struct agnx_priv *priv) -{ - unsigned long flags; - unsigned int i; - AGNX_TRACE; - - spin_lock_irqsave(&priv->lock, flags); - - for (i = 0; i < priv->rx.size; i++) - rx_desc_free(priv, i); - for (i = 0; i < priv->txm.size; i++) - txm_desc_free(priv, i); - for (i = 0; i < priv->txd.size; i++) - txd_desc_free(priv, i); - - spin_unlock_irqrestore(&priv->lock, flags); -} - -/* Extract the bitrate out of a CCK PLCP header. - copy from bcm43xx driver */ -static inline u8 agnx_plcp_get_bitrate_cck(__be32 *phyhdr_11b) -{ - /* FIXME */ - switch (*(u8 *)phyhdr_11b) { - case 0x0A: - return 0; - case 0x14: - return 1; - case 0x37: - return 2; - case 0x6E: - return 3; - } - agnx_bug("Wrong plcp rate"); - return 0; -} - -/* FIXME */ -static inline u8 agnx_plcp_get_bitrate_ofdm(__be32 *phyhdr_11g) -{ - u8 rate = *(u8 *)phyhdr_11g & 0xF; - - printk(PFX "G mode rate is 0x%x\n", rate); - return rate; -} - -/* FIXME */ -static void get_rx_stats(struct agnx_priv *priv, struct agnx_hdr *hdr, - struct ieee80211_rx_status *stat) -{ - void __iomem *ctl = priv->ctl; - u8 *rssi; - u32 noise; - /* FIXME just for test */ - int snr = 40; /* signal-to-noise ratio */ - - memset(stat, 0, sizeof(*stat)); - /* RSSI */ - rssi = (u8 *)&hdr->phy_stats_lo; -/* stat->ssi = (rssi[0] + rssi[1] + rssi[2]) / 3; */ - /* Noise */ - noise = ioread32(ctl + AGNX_GCR_NOISE0); - noise += ioread32(ctl + AGNX_GCR_NOISE1); - noise += ioread32(ctl + AGNX_GCR_NOISE2); - stat->noise = noise / 3; - /* Signal quality */ -/* snr = stat->ssi - stat->noise; */ - if (snr >= 0 && snr < 40) - stat->signal = 5 * snr / 2; - else if (snr >= 40) - stat->signal = 100; - else - stat->signal = 0; - - - if (hdr->_11b0 && !hdr->_11g0) { - stat->rate_idx = agnx_plcp_get_bitrate_cck(&hdr->_11b0); - } else if (!hdr->_11b0 && hdr->_11g0) { - printk(PFX "RX: Found G mode packet\n"); - stat->rate_idx = agnx_plcp_get_bitrate_ofdm(&hdr->_11g0); - } else - agnx_bug("Unknown packets type"); - - - stat->band = IEEE80211_BAND_2GHZ; - stat->freq = agnx_channels[priv->channel - 1].center_freq; -/* stat->antenna = 3; - stat->mactime = be32_to_cpu(hdr->time_stamp); - stat->channel = priv->channel; */ -} - -static inline void combine_hdr_frag(struct ieee80211_hdr *ieeehdr, - struct sk_buff *skb) -{ - u16 fctl; - unsigned int hdrlen; - - fctl = le16_to_cpu(ieeehdr->frame_control); - hdrlen = ieee80211_hdrlen(fctl); - /* FIXME */ - if (hdrlen < (2+2+6)/*minimum hdr*/ || - hdrlen > sizeof(struct ieee80211_mgmt)) { - printk(KERN_ERR PFX "hdr len is %d\n", hdrlen); - agnx_bug("Wrong ieee80211 hdr detected"); - } - skb_push(skb, hdrlen); - memcpy(skb->data, ieeehdr, hdrlen); -} /* combine_hdr_frag */ - -static inline int agnx_packet_check(struct agnx_priv *priv, struct agnx_hdr *agnxhdr, - unsigned packet_len) -{ - if (agnx_get_bits(CRC_FAIL, CRC_FAIL_SHIFT, be32_to_cpu(agnxhdr->reg1)) == 1) { - printk(PFX "RX: CRC check fail\n"); - goto drop; - } - if (packet_len > 2048) { - printk(PFX "RX: Too long packet detected\n"); - goto drop; - } - - /* FIXME Just usable for Promious Mode, for Manage mode exclude FCS */ -/* if (packet_len - sizeof(*agnxhdr) < FCS_LEN) { */ -/* printk(PFX "RX: Too short packet detected\n"); */ -/* goto drop; */ -/* } */ - return 0; -drop: - priv->stats.dot11FCSErrorCount++; - return -1; -} - -void handle_rx_irq(struct agnx_priv *priv) -{ - struct ieee80211_rx_status status; - unsigned int len; -/* AGNX_TRACE; */ - - do { - struct agnx_desc *desc; - u32 frag; - struct agnx_info *info; - struct agnx_hdr *hdr; - struct sk_buff *skb; - unsigned int i = priv->rx.idx % priv->rx.size; - - desc = priv->rx.desc + i; - frag = be32_to_cpu(desc->frag); - if (frag & OWNER) - break; - - info = priv->rx.info + i; - skb = info->skb; - hdr = (struct agnx_hdr *)(skb->data); - - len = (frag & PACKET_LEN) >> PACKET_LEN_SHIFT; - if (agnx_packet_check(priv, hdr, len) == -1) { - rx_desc_reusing(priv, i); - continue; - } - skb_put(skb, len); - - do { - u16 fctl; - fctl = le16_to_cpu(((struct ieee80211_hdr *)hdr->mac_hdr)->frame_control); - if ((fctl & IEEE80211_FCTL_STYPE) != IEEE80211_STYPE_BEACON)/* && !(fctl & IEEE80211_STYPE_BEACON)) */ - dump_ieee80211_hdr((struct ieee80211_hdr *)hdr->mac_hdr, "RX"); - } while (0); - - if (hdr->_11b0 && !hdr->_11g0) { -/* int j; - u16 fctl = le16_to_cpu(((struct ieee80211_hdr *)hdr->mac_hdr) - ->frame_control); - if ( (fctl & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA) { - agnx_print_rx_hdr(hdr); - agnx_print_sta(priv, BSSID_STAID); - for (j = 0; j < 8; j++) - agnx_print_sta_tx_wq(priv, BSSID_STAID, j); - } */ - - get_rx_stats(priv, hdr, &status); - skb_pull(skb, sizeof(*hdr)); - combine_hdr_frag((struct ieee80211_hdr *)hdr->mac_hdr, skb); - } else if (!hdr->_11b0 && hdr->_11g0) { -/* int j; */ - agnx_print_rx_hdr(hdr); - agnx_print_sta(priv, BSSID_STAID); -/* for (j = 0; j < 8; j++) */ - agnx_print_sta_tx_wq(priv, BSSID_STAID, 0); - - print_hex_dump_bytes("agnx: RX_PACKET: ", DUMP_PREFIX_NONE, - skb->data, skb->len + 8); - -/* if (agnx_plcp_get_bitrate_ofdm(&hdr->_11g0) == 0) */ - get_rx_stats(priv, hdr, &status); - skb_pull(skb, sizeof(*hdr)); - combine_hdr_frag((struct ieee80211_hdr *) - ((void *)&hdr->mac_hdr), skb); -/* dump_ieee80211_hdr((struct ieee80211_hdr *)skb->data, "RX G"); */ - } else - agnx_bug("Unknown packets type"); - memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status)); - ieee80211_rx_irqsafe(priv->hw, skb); - rx_desc_reinit(priv, i); - - } while (priv->rx.idx++); -} /* handle_rx_irq */ - -static inline void handle_tx_irq(struct agnx_priv *priv, struct agnx_ring *ring) -{ - struct agnx_desc *desc; - struct agnx_info *info; - unsigned int idx; - - for (idx = ring->idx_sent; idx < ring->idx; idx++) { - unsigned int i = idx % ring->size; - u32 frag; - - desc = ring->desc + i; - info = ring->info + i; - - frag = be32_to_cpu(desc->frag); - if (frag & OWNER) { - if (info->type == HEADER) - break; - else - agnx_bug("TX error"); - } - - pci_unmap_single(priv->pdev, info->mapping, info->dma_len, PCI_DMA_TODEVICE); - - do { -/* int j; */ - size_t len; - len = info->skb->len - sizeof(struct agnx_hdr) + info->hdr_len; -/* if (len == 614) { */ -/* agnx_print_desc(desc); */ - if (info->type == PACKET) { -/* agnx_print_tx_hdr((struct agnx_hdr *)info->skb->data); */ -/* agnx_print_sta_power(priv, LOCAL_STAID); */ -/* agnx_print_sta(priv, LOCAL_STAID); */ -/* for (j = 0; j < 8; j++) */ -/* agnx_print_sta_tx_wq(priv, LOCAL_STAID, 0); */ -/* agnx_print_sta_power(priv, BSSID_STAID); */ -/* agnx_print_sta(priv, BSSID_STAID); */ -/* for (j = 0; j < 8; j++) */ -/* agnx_print_sta_tx_wq(priv, BSSID_STAID, 0); */ - } -/* } */ - } while (0); - - if (info->type == PACKET) { -/* dump_txm_registers(priv); - dump_rxm_registers(priv); - dump_bm_registers(priv); - dump_cir_registers(priv); */ - } - - if (info->type == PACKET) { -/* struct ieee80211_hdr *hdr; */ - struct ieee80211_tx_info *txi = IEEE80211_SKB_CB(info->skb); - - skb_pull(info->skb, sizeof(struct agnx_hdr)); - memcpy(skb_push(info->skb, info->hdr_len), &info->hdr, info->hdr_len); - -/* dump_ieee80211_hdr((struct ieee80211_hdr *)info->skb->data, "TX_HANDLE"); */ -/* print_hex_dump_bytes("agnx: TX_HANDLE: ", DUMP_PREFIX_NONE, */ -/* info->skb->data, info->skb->len); */ - - if (!(txi->flags & IEEE80211_TX_CTL_NO_ACK)) - txi->flags |= IEEE80211_TX_STAT_ACK; - - ieee80211_tx_status_irqsafe(priv->hw, info->skb); - - -/* info->tx_status.queue_number = (ring->size - i) / 2; */ -/* ieee80211_tx_status_irqsafe(priv->hw, info->skb, &(info->tx_status)); */ -/* } else */ -/* dev_kfree_skb_irq(info->skb); */ - } - memset(desc, 0, sizeof(*desc)); - memset(info, 0, sizeof(*info)); - } - - ring->idx_sent = idx; - /* TODO fill the priv->low_level_stats */ - - /* ieee80211_wake_queue(priv->hw, 0); */ -} - -void handle_txm_irq(struct agnx_priv *priv) -{ - handle_tx_irq(priv, &priv->txm); -} - -void handle_txd_irq(struct agnx_priv *priv) -{ - handle_tx_irq(priv, &priv->txd); -} - -void handle_other_irq(struct agnx_priv *priv) -{ -/* void __iomem *ctl = priv->ctl; */ - u32 status = priv->irq_status; - void __iomem *ctl = priv->ctl; - u32 reg; - - if (status & IRQ_TX_BEACON) { - iowrite32(IRQ_TX_BEACON, ctl + AGNX_INT_STAT); - printk(PFX "IRQ: TX Beacon control is 0X%.8X\n", ioread32(ctl + AGNX_TXM_BEACON_CTL)); - printk(PFX "IRQ: TX Beacon rx frame num: %d\n", rx_frame_cnt); - } - if (status & IRQ_TX_RETRY) { - reg = ioread32(ctl + AGNX_TXM_RETRYSTAID); - printk(PFX "IRQ: TX Retry, RETRY STA ID is %x\n", reg); - } - if (status & IRQ_TX_ACTIVITY) - printk(PFX "IRQ: TX Activity\n"); - if (status & IRQ_RX_ACTIVITY) - printk(PFX "IRQ: RX Activity\n"); - if (status & IRQ_RX_X) - printk(PFX "IRQ: RX X\n"); - if (status & IRQ_RX_Y) { - reg = ioread32(ctl + AGNX_INT_MASK); - reg &= ~IRQ_RX_Y; - iowrite32(reg, ctl + AGNX_INT_MASK); - iowrite32(IRQ_RX_Y, ctl + AGNX_INT_STAT); - printk(PFX "IRQ: RX Y\n"); - } - if (status & IRQ_RX_HASHHIT) { - reg = ioread32(ctl + AGNX_INT_MASK); - reg &= ~IRQ_RX_HASHHIT; - iowrite32(reg, ctl + AGNX_INT_MASK); - iowrite32(IRQ_RX_HASHHIT, ctl + AGNX_INT_STAT); - printk(PFX "IRQ: RX Hash Hit\n"); - - } - if (status & IRQ_RX_FRAME) { - reg = ioread32(ctl + AGNX_INT_MASK); - reg &= ~IRQ_RX_FRAME; - iowrite32(reg, ctl + AGNX_INT_MASK); - iowrite32(IRQ_RX_FRAME, ctl + AGNX_INT_STAT); - printk(PFX "IRQ: RX Frame\n"); - rx_frame_cnt++; - } - if (status & IRQ_ERR_INT) { - iowrite32(IRQ_ERR_INT, ctl + AGNX_INT_STAT); -/* agnx_hw_reset(priv); */ - printk(PFX "IRQ: Error Interrupt\n"); - } - if (status & IRQ_TX_QUE_FULL) - printk(PFX "IRQ: TX Workqueue Full\n"); - if (status & IRQ_BANDMAN_ERR) - printk(PFX "IRQ: Bandwidth Management Error\n"); - if (status & IRQ_TX_DISABLE) - printk(PFX "IRQ: TX Disable\n"); - if (status & IRQ_RX_IVASESKEY) - printk(PFX "IRQ: RX Invalid Session Key\n"); - if (status & IRQ_REP_THHIT) - printk(PFX "IRQ: Replay Threshold Hit\n"); - if (status & IRQ_TIMER1) - printk(PFX "IRQ: Timer1\n"); - if (status & IRQ_TIMER_CNT) - printk(PFX "IRQ: Timer Count\n"); - if (status & IRQ_PHY_FASTINT) - printk(PFX "IRQ: Phy Fast Interrupt\n"); - if (status & IRQ_PHY_SLOWINT) - printk(PFX "IRQ: Phy Slow Interrupt\n"); - if (status & IRQ_OTHER) - printk(PFX "IRQ: 0x80000000\n"); -} /* handle_other_irq */ - - -static inline void route_flag_set(struct agnx_hdr *txhdr) -{ -/* u32 reg = 0; */ - - /* FIXME */ -/* reg = (0x7 << ROUTE_COMPRESSION_SHIFT) & ROUTE_COMPRESSION; */ -/* txhdr->reg5 = cpu_to_be32(reg); */ - txhdr->reg5 = (0xa << 0x0) | (0x7 << 0x18); -/* txhdr->reg5 = cpu_to_be32((0xa << 0x0) | (0x7 << 0x18)); */ -/* txhdr->reg5 = cpu_to_be32(0x7 << 0x0); */ -} - -/* Return 0 if no match */ -static inline unsigned int get_power_level(unsigned int rate, unsigned int antennas_num) -{ - unsigned int power_level; - - switch (rate) { - case 10: - case 20: - case 55: - case 60: - case 90: - case 120: - power_level = 22; - break; - - case 180: - power_level = 19; - break; - - case 240: - power_level = 18; - break; - - case 360: - power_level = 16; - break; - - case 480: - power_level = 15; - break; - - case 540: - power_level = 14; - break; - default: - agnx_bug("Error rate setting\n"); - } - - if (power_level && (antennas_num == 2)) - power_level -= 3; - - return power_level; -} - -static inline void fill_agnx_hdr(struct agnx_priv *priv, struct agnx_info *tx_info) -{ - struct agnx_hdr *txhdr = (struct agnx_hdr *)tx_info->skb->data; - size_t len; - u16 fc = le16_to_cpu(*(__le16 *)&tx_info->hdr); - u32 reg; - - memset(txhdr, 0, sizeof(*txhdr)); - -/* reg = agnx_set_bits(STATION_ID, STATION_ID_SHIFT, LOCAL_STAID); */ - reg = agnx_set_bits(STATION_ID, STATION_ID_SHIFT, BSSID_STAID); - reg |= agnx_set_bits(WORKQUEUE_ID, WORKQUEUE_ID_SHIFT, 0); - txhdr->reg4 = cpu_to_be32(reg); - - /* Set the Hardware Sequence Number to 1? */ - reg = agnx_set_bits(SEQUENCE_NUMBER, SEQUENCE_NUMBER_SHIFT, 0); -/* reg = agnx_set_bits(SEQUENCE_NUMBER, SEQUENCE_NUMBER_SHIFT, 1); */ - reg |= agnx_set_bits(MAC_HDR_LEN, MAC_HDR_LEN_SHIFT, tx_info->hdr_len); - txhdr->reg1 = cpu_to_be32(reg); - /* Set the agnx_hdr's MAC header */ - memcpy(txhdr->mac_hdr, &tx_info->hdr, tx_info->hdr_len); - - reg = agnx_set_bits(ACK, ACK_SHIFT, 1); -/* reg = agnx_set_bits(ACK, ACK_SHIFT, 0); */ - reg |= agnx_set_bits(MULTICAST, MULTICAST_SHIFT, 0); -/* reg |= agnx_set_bits(MULTICAST, MULTICAST_SHIFT, 1); */ - reg |= agnx_set_bits(RELAY, RELAY_SHIFT, 0); - reg |= agnx_set_bits(TM, TM_SHIFT, 0); - txhdr->reg0 = cpu_to_be32(reg); - - /* Set the long and short retry limits */ - txhdr->tx.short_retry_limit = tx_info->txi->control.rates[0].count; - txhdr->tx.long_retry_limit = tx_info->txi->control.rates[0].count; - - /* FIXME */ - len = tx_info->skb->len - sizeof(*txhdr) + tx_info->hdr_len + FCS_LEN; - if (fc & IEEE80211_FCTL_PROTECTED) - len += 8; - len = 2398; - reg = agnx_set_bits(FRAG_SIZE, FRAG_SIZE_SHIFT, len); - len = tx_info->skb->len - sizeof(*txhdr); - reg |= agnx_set_bits(PAYLOAD_LEN, PAYLOAD_LEN_SHIFT, len); - txhdr->reg3 = cpu_to_be32(reg); - - route_flag_set(txhdr); -} /* fill_hdr */ - -static void txm_power_set(struct agnx_priv *priv, - struct ieee80211_tx_info *txi) -{ - struct agnx_sta_power power; - u32 reg; - - /* FIXME */ - if (txi->control.rates[0].idx < 0) { - /* For B mode Short Preamble */ - reg = agnx_set_bits(PHY_MODE, PHY_MODE_SHIFT, AGNX_MODE_80211B_SHORT); -/* control->tx_rate = -control->tx_rate; */ - } else - reg = agnx_set_bits(PHY_MODE, PHY_MODE_SHIFT, AGNX_MODE_80211G); -/* reg = agnx_set_bits(PHY_MODE, PHY_MODE_SHIFT, AGNX_MODE_80211B_LONG); */ - reg |= agnx_set_bits(SIGNAL, SIGNAL_SHIFT, 0xB); - reg |= agnx_set_bits(RATE, RATE_SHIFT, 0xB); -/* reg |= agnx_set_bits(POWER_LEVEL, POWER_LEVEL_SHIFT, 15); */ - reg |= agnx_set_bits(POWER_LEVEL, POWER_LEVEL_SHIFT, 20); - /* if rate < 11M set it to 0 */ - reg |= agnx_set_bits(NUM_TRANSMITTERS, NUM_TRANSMITTERS_SHIFT, 1); -/* reg |= agnx_set_bits(EDCF, EDCF_SHIFT, 1); */ -/* reg |= agnx_set_bits(TIFS, TIFS_SHIFT, 1); */ - - power.reg = reg; -/* power.reg = cpu_to_le32(reg); */ - -/* set_sta_power(priv, &power, LOCAL_STAID); */ - set_sta_power(priv, &power, BSSID_STAID); -} - -static inline int tx_packet_check(struct sk_buff *skb) -{ - unsigned int ieee_len = ieee80211_get_hdrlen_from_skb(skb); - if (skb->len > 2048) { - printk(KERN_ERR PFX "length is %d\n", skb->len); - agnx_bug("Too long TX skb"); - return -1; - } - /* FIXME */ - if (skb->len == ieee_len) { - printk(PFX "A strange TX packet\n"); - return -1; - /* tx_faile_irqsafe(); */ - } - return 0; -} - -static int __agnx_tx(struct agnx_priv *priv, struct sk_buff *skb, - struct agnx_ring *ring) -{ - struct agnx_desc *hdr_desc, *frag_desc; - struct agnx_info *hdr_info, *frag_info; - struct ieee80211_tx_info *txi = IEEE80211_SKB_CB(skb); - unsigned long flags; - unsigned int i; - - spin_lock_irqsave(&priv->lock, flags); - - /* The RX interrupt need be Disable until this TX packet - is handled in the next tx interrupt */ - disable_rx_interrupt(priv); - - i = ring->idx; - ring->idx += 2; -/* if (priv->txm_idx - priv->txm_idx_sent == AGNX_TXM_RING_SIZE - 2) */ -/* ieee80211_stop_queue(priv->hw, 0); */ - - /* Set agnx header's info and desc */ - i %= ring->size; - hdr_desc = ring->desc + i; - hdr_info = ring->info + i; - hdr_info->hdr_len = ieee80211_get_hdrlen_from_skb(skb); - memcpy(&hdr_info->hdr, skb->data, hdr_info->hdr_len); - - /* Add the agnx header to the front of the SKB */ - skb_push(skb, sizeof(struct agnx_hdr) - hdr_info->hdr_len); - - hdr_info->txi = txi; - hdr_info->dma_len = sizeof(struct agnx_hdr); - hdr_info->skb = skb; - hdr_info->type = HEADER; - fill_agnx_hdr(priv, hdr_info); - hdr_info->mapping = pci_map_single(priv->pdev, skb->data, - hdr_info->dma_len, PCI_DMA_TODEVICE); - do { - u32 frag = 0; - frag |= agnx_set_bits(FIRST_FRAG, FIRST_FRAG_SHIFT, 1); - frag |= agnx_set_bits(LAST_FRAG, LAST_FRAG_SHIFT, 0); - frag |= agnx_set_bits(PACKET_LEN, PACKET_LEN_SHIFT, skb->len); - frag |= agnx_set_bits(FIRST_FRAG_LEN, FIRST_FRAG_LEN_SHIFT, 1); - frag |= agnx_set_bits(OWNER, OWNER_SHIFT, 1); - hdr_desc->frag = cpu_to_be32(frag); - } while (0); - hdr_desc->dma_addr = cpu_to_be32(hdr_info->mapping); - - - /* Set Frag's info and desc */ - i = (i + 1) % ring->size; - frag_desc = ring->desc + i; - frag_info = ring->info + i; - memcpy(frag_info, hdr_info, sizeof(struct agnx_info)); - frag_info->type = PACKET; - frag_info->dma_len = skb->len - hdr_info->dma_len; - frag_info->mapping = pci_map_single(priv->pdev, skb->data + hdr_info->dma_len, - frag_info->dma_len, PCI_DMA_TODEVICE); - do { - u32 frag = 0; - frag |= agnx_set_bits(FIRST_FRAG, FIRST_FRAG_SHIFT, 0); - frag |= agnx_set_bits(LAST_FRAG, LAST_FRAG_SHIFT, 1); - frag |= agnx_set_bits(PACKET_LEN, PACKET_LEN_SHIFT, skb->len); - frag |= agnx_set_bits(SUB_FRAG_LEN, SUB_FRAG_LEN_SHIFT, frag_info->dma_len); - frag_desc->frag = cpu_to_be32(frag); - } while (0); - frag_desc->dma_addr = cpu_to_be32(frag_info->mapping); - - txm_power_set(priv, txi); - -/* do { */ -/* int j; */ -/* size_t len; */ -/* len = skb->len - hdr_info->dma_len + hdr_info->hdr_len; */ -/* if (len == 614) { */ -/* agnx_print_desc(hdr_desc); */ -/* agnx_print_desc(frag_desc); */ -/* agnx_print_tx_hdr((struct agnx_hdr *)skb->data); */ -/* agnx_print_sta_power(priv, LOCAL_STAID); */ -/* agnx_print_sta(priv, LOCAL_STAID); */ -/* for (j = 0; j < 8; j++) */ -/* agnx_print_sta_tx_wq(priv, LOCAL_STAID, j); */ -/* agnx_print_sta_power(priv, BSSID_STAID); */ -/* agnx_print_sta(priv, BSSID_STAID); */ -/* for (j = 0; j < 8; j++) */ -/* agnx_print_sta_tx_wq(priv, BSSID_STAID, j); */ -/* } */ -/* } while (0); */ - - spin_unlock_irqrestore(&priv->lock, flags); - - /* FIXME ugly code */ - /* Trigger TXM */ - do { - u32 reg; - reg = (ioread32(priv->ctl + AGNX_CIR_TXMCTL)); - reg |= 0x8; - iowrite32((reg), priv->ctl + AGNX_CIR_TXMCTL); - } while (0); - - /* Trigger TXD */ - do { - u32 reg; - reg = (ioread32(priv->ctl + AGNX_CIR_TXDCTL)); - reg |= 0x8; - iowrite32((reg), priv->ctl + AGNX_CIR_TXDCTL); - } while (0); - - return 0; -} - -int _agnx_tx(struct agnx_priv *priv, struct sk_buff *skb) -{ - u16 fctl; - - if (tx_packet_check(skb)) - return 0; - -/* print_hex_dump_bytes("agnx: TX_PACKET: ", DUMP_PREFIX_NONE, */ -/* skb->data, skb->len); */ - - fctl = le16_to_cpu(*((__le16 *)skb->data)); - - if ((fctl & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA) - return __agnx_tx(priv, skb, &priv->txd); - else - return __agnx_tx(priv, skb, &priv->txm); -} diff --git a/drivers/staging/agnx/xmit.h b/drivers/staging/agnx/xmit.h deleted file mode 100644 index 93ac4157e69..00000000000 --- a/drivers/staging/agnx/xmit.h +++ /dev/null @@ -1,250 +0,0 @@ -#ifndef AGNX_XMIT_H_ -#define AGNX_XMIT_H_ - -#include <net/mac80211.h> - -struct agnx_priv; - -static inline u32 agnx_set_bits(u32 mask, u8 shift, u32 value) -{ - return (value << shift) & mask; -} - -static inline u32 agnx_get_bits(u32 mask, u8 shift, u32 value) -{ - return (value & mask) >> shift; -} - - -struct agnx_rx { - __be16 rx_packet_duration; /* RX Packet Duration */ - __be16 replay_cnt; /* Replay Count */ -} __attribute__((__packed__)); - - -struct agnx_tx { - u8 long_retry_limit; /* Long Retry Limit */ - u8 short_retry_limit; /* Short Retry Limit */ - u8 long_retry_cnt; /* Long Retry Count */ - u8 short_retry_cnt; /* Short Retry Count */ -} __attribute__((__packed__)); - - -/* Copy from bcm43xx */ -#define P4D_BYT3S(magic, nr_bytes) u8 __p4dding##magic[nr_bytes] -#define P4D_BYTES(line, nr_bytes) P4D_BYT3S(line, nr_bytes) -#define PAD_BYTES(nr_bytes) P4D_BYTES(__LINE__, nr_bytes) - -#define P4D_BIT3S(magic, nr_bits) __be32 __padding##magic:nr_bits -#define P4D_BITS(line, nr_bits) P4D_BIT3S(line, nr_bits) -#define PAD_BITS(nr_bits) P4D_BITS(__LINE__, nr_bits) - - -struct agnx_hdr { - __be32 reg0; -#define RTS 0x80000000 /* RTS */ -#define RTS_SHIFT 31 -#define MULTICAST 0x40000000 /* multicast */ -#define MULTICAST_SHIFT 30 -#define ACK 0x30000000 /* ACK */ -#define ACK_SHIFT 28 -#define TM 0x08000000 /* TM */ -#define TM_SHIFT 27 -#define RELAY 0x04000000 /* Relay */ -#define RELAY_SHIFT 26 -/* PAD_BITS(4); */ -#define REVISED_FCS 0x00380000 /* revised FCS */ -#define REVISED_FCS_SHIFT 19 -#define NEXT_BUFFER_ADDR 0x0007FFFF /* Next Buffer Address */ -#define NEXT_BUFFER_ADDR_SHIFT 0 - - __be32 reg1; -#define MAC_HDR_LEN 0xFC000000 /* MAC Header Length */ -#define MAC_HDR_LEN_SHIFT 26 -#define DURATION_OVERIDE 0x02000000 /* Duration Override */ -#define DURATION_OVERIDE_SHIFT 25 -#define PHY_HDR_OVERIDE 0x01000000 /* PHY Header Override */ -#define PHY_HDR_OVERIDE_SHIFT 24 -#define CRC_FAIL 0x00800000 /* CRC fail */ -#define CRC_FAIL_SHIFT 23 -/* PAD_BITS(1); */ -#define SEQUENCE_NUMBER 0x00200000 /* Sequence Number */ -#define SEQUENCE_NUMBER_SHIFT 21 -/* PAD_BITS(2); */ -#define BUFF_HEAD_ADDR 0x0007FFFF /* Buffer Head Address */ -#define BUFF_HEAD_ADDR_SHIFT 0 - - __be32 reg2; -#define PDU_COUNT 0xFC000000 /* PDU Count */ -#define PDU_COUNT_SHIFT 26 -/* PAD_BITS(3); */ -#define WEP_KEY 0x00600000 /* WEP Key # */ -#define WEP_KEY_SHIFT 21 -#define USES_WEP_KEY 0x00100000 /* Uses WEP Key */ -#define USES_WEP_KEY_SHIFT 20 -#define KEEP_ALIVE 0x00080000 /* Keep alive */ -#define KEEP_ALIVE_SHIFT 19 -#define BUFF_TAIL_ADDR 0x0007FFFF /* Buffer Tail Address */ -#define BUFF_TAIL_ADDR_SHIFT 0 - - __be32 reg3; -#define CTS_11G 0x80000000 /* CTS in 11g */ -#define CTS_11G_SHIFT 31 -#define RTS_11G 0x40000000 /* RTS in 11g */ -#define RTS_11G_SHIFT 30 -/* PAD_BITS(2); */ -#define FRAG_SIZE 0x0FFF0000 /* fragment size */ -#define FRAG_SIZE_SHIFT 16 -#define PAYLOAD_LEN 0x0000FFF0 /* payload length */ -#define PAYLOAD_LEN_SHIFT 4 -#define FRAG_NUM 0x0000000F /* number of frags */ -#define FRAG_NUM_SHIFT 0 - - __be32 reg4; -/* PAD_BITS(4); */ -#define RELAY_STAID 0x0FFF0000 /* relayStald */ -#define RELAY_STAID_SHIFT 16 -#define STATION_ID 0x0000FFF0 /* Station ID */ -#define STATION_ID_SHIFT 4 -#define WORKQUEUE_ID 0x0000000F /* Workqueue ID */ -#define WORKQUEUE_ID_SHIFT 0 - - /* FIXME this register maybe is LE? */ - __be32 reg5; -/* PAD_BITS(4); */ -#define ROUTE_HOST 0x0F000000 -#define ROUTE_HOST_SHIFT 24 -#define ROUTE_CARD_CPU 0x00F00000 -#define ROUTE_CARD_CPU_SHIFT 20 -#define ROUTE_ENCRYPTION 0x000F0000 -#define ROUTE_ENCRYPTION_SHIFT 16 -#define ROUTE_TX 0x0000F000 -#define ROUTE_TX_SHIFT 12 -#define ROUTE_RX1 0x00000F00 -#define ROUTE_RX1_SHIFT 8 -#define ROUTE_RX2 0x000000F0 -#define ROUTE_RX2_SHIFT 4 -#define ROUTE_COMPRESSION 0x0000000F -#define ROUTE_COMPRESSION_SHIFT 0 - - __be32 _11g0; /* 11g */ - __be32 _11g1; /* 11g */ - __be32 _11b0; /* 11b */ - __be32 _11b1; /* 11b */ - u8 mac_hdr[32]; /* MAC header */ - - __be16 rts_duration; /* RTS duration */ - __be16 last_duration; /* Last duration */ - __be16 sec_last_duration; /* Second to Last duration */ - __be16 other_duration; /* Other duration */ - __be16 tx_last_duration; /* TX Last duration */ - __be16 tx_other_duration; /* TX Other Duration */ - __be16 last_11g_len; /* Length of last 11g */ - __be16 other_11g_len; /* Lenght of other 11g */ - - __be16 last_11b_len; /* Length of last 11b */ - __be16 other_11b_len; /* Lenght of other 11b */ - - - __be16 reg6; -#define MBF 0xF000 /* mbf */ -#define MBF_SHIFT 12 -#define RSVD4 0x0FFF /* rsvd4 */ -#define RSVD4_SHIFT 0 - - __be16 rx_frag_stat; /* RX fragmentation status */ - - __be32 time_stamp; /* TimeStamp */ - __be32 phy_stats_hi; /* PHY stats hi */ - __be32 phy_stats_lo; /* PHY stats lo */ - __be32 mic_key0; /* MIC key 0 */ - __be32 mic_key1; /* MIC key 1 */ - - union { /* RX/TX Union */ - struct agnx_rx rx; - struct agnx_tx tx; - }; - - u8 rx_channel; /* Recieve Channel */ - PAD_BYTES(3); - - u8 reserved[4]; -} __attribute__((__packed__)); - - -struct agnx_desc { -#define PACKET_LEN 0xFFF00000 -#define PACKET_LEN_SHIFT 20 -/* ------------------------------------------------ */ -#define FIRST_PACKET_MASK 0x00080000 -#define FIRST_PACKET_MASK_SHIFT 19 -#define FIRST_RESERV2 0x00040000 -#define FIRST_RESERV2_SHIFT 18 -#define FIRST_TKIP_ERROR 0x00020000 -#define FIRST_TKIP_ERROR_SHIFT 17 -#define FIRST_TKIP_PACKET 0x00010000 -#define FIRST_TKIP_PACKET_SHIFT 16 -#define FIRST_RESERV1 0x0000F000 -#define FIRST_RESERV1_SHIFT 12 -#define FIRST_FRAG_LEN 0x00000FF8 -#define FIRST_FRAG_LEN_SHIFT 3 -/* ------------------------------------------------ */ -#define SUB_RESERV2 0x000c0000 -#define SUB_RESERV2_SHIFT 18 -#define SUB_TKIP_ERROR 0x00020000 -#define SUB_TKIP_ERROR_SHIFT 17 -#define SUB_TKIP_PACKET 0x00010000 -#define SUB_TKIP_PACKET_SHIFT 16 -#define SUB_RESERV1 0x00008000 -#define SUB_RESERV1_SHIFT 15 -#define SUB_FRAG_LEN 0x00007FF8 -#define SUB_FRAG_LEN_SHIFT 3 -/* ------------------------------------------------ */ -#define FIRST_FRAG 0x00000004 -#define FIRST_FRAG_SHIFT 2 -#define LAST_FRAG 0x00000002 -#define LAST_FRAG_SHIFT 1 -#define OWNER 0x00000001 -#define OWNER_SHIFT 0 - __be32 frag; - __be32 dma_addr; -} __attribute__((__packed__)); - -enum {HEADER, PACKET}; - -struct agnx_info { - struct sk_buff *skb; - dma_addr_t mapping; - u32 dma_len; /* dma buffer len */ - /* Below fields only usful for tx */ - u32 hdr_len; /* ieee80211 header length */ - unsigned int type; - struct ieee80211_tx_info *txi; - struct ieee80211_hdr hdr; -}; - - -struct agnx_ring { - struct agnx_desc *desc; - dma_addr_t dma; - struct agnx_info *info; - /* Will lead to overflow when sent packet number enough? */ - unsigned int idx; - unsigned int idx_sent; /* only usful for txd and txm */ - unsigned int size; -}; - -#define AGNX_RX_RING_SIZE 128 -#define AGNX_TXD_RING_SIZE 256 -#define AGNX_TXM_RING_SIZE 128 - -void disable_rx_interrupt(struct agnx_priv *priv); -void enable_rx_interrupt(struct agnx_priv *priv); -int fill_rings(struct agnx_priv *priv); -void unfill_rings(struct agnx_priv *priv); -void handle_rx_irq(struct agnx_priv *priv); -void handle_txd_irq(struct agnx_priv *priv); -void handle_txm_irq(struct agnx_priv *priv); -void handle_other_irq(struct agnx_priv *priv); -int _agnx_tx(struct agnx_priv *priv, struct sk_buff *skb); -#endif /* AGNX_XMIT_H_ */ diff --git a/drivers/staging/android/Kconfig b/drivers/staging/android/Kconfig index 24719499237..eb675635ae6 100644 --- a/drivers/staging/android/Kconfig +++ b/drivers/staging/android/Kconfig @@ -2,6 +2,7 @@ menu "Android" config ANDROID bool "Android Drivers" + depends on BROKEN default N ---help--- Enable support for various drivers needed on the Android platform diff --git a/drivers/staging/b3dfg/b3dfg.c b/drivers/staging/b3dfg/b3dfg.c index 94c5d27d24d..cda26bb493b 100644 --- a/drivers/staging/b3dfg/b3dfg.c +++ b/drivers/staging/b3dfg/b3dfg.c @@ -36,6 +36,7 @@ #include <linux/wait.h> #include <linux/mm.h> #include <linux/uaccess.h> +#include <linux/sched.h> static unsigned int b3dfg_nbuf = 2; diff --git a/drivers/staging/comedi/Kconfig b/drivers/staging/comedi/Kconfig index af723cb9d08..d63c889ce55 100644 --- a/drivers/staging/comedi/Kconfig +++ b/drivers/staging/comedi/Kconfig @@ -1,7 +1,7 @@ config COMEDI tristate "Data acquisition support (comedi)" default N - depends on m + depends on m && (PCI || PCMCIA || PCCARD || USB) ---help--- Enable support a wide range of data acquisition devices for Linux. diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c index f54bb9b3ee3..aaad76e0a76 100644 --- a/drivers/staging/comedi/comedi_fops.c +++ b/drivers/staging/comedi/comedi_fops.c @@ -2337,7 +2337,7 @@ static int resize_async_buffer(struct comedi_device *dev, } DPRINTK("comedi%i subd %d buffer resized to %i bytes\n", - dev->minor, s - dev->subdevices, async->prealloc_bufsz); + dev->minor, (int)(s - dev->subdevices), async->prealloc_bufsz); return 0; } diff --git a/drivers/staging/comedi/drivers/cb_das16_cs.c b/drivers/staging/comedi/drivers/cb_das16_cs.c index 12d12b43a6f..80c0df8656f 100644 --- a/drivers/staging/comedi/drivers/cb_das16_cs.c +++ b/drivers/staging/comedi/drivers/cb_das16_cs.c @@ -744,7 +744,7 @@ static int das16cs_pcmcia_attach(struct pcmcia_device *link) /* Initialize the pcmcia_device structure */ /* Interrupt setup */ - link->irq.Attributes = IRQ_TYPE_EXCLUSIVE; + link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING; link->irq.IRQInfo1 = IRQ_LEVEL_ID; link->irq.Handler = NULL; diff --git a/drivers/staging/comedi/drivers/cb_pcidio.c b/drivers/staging/comedi/drivers/cb_pcidio.c index 4d10bc31d46..09e6e3bdfb3 100644 --- a/drivers/staging/comedi/drivers/cb_pcidio.c +++ b/drivers/staging/comedi/drivers/cb_pcidio.c @@ -53,7 +53,8 @@ Passing a zero for an option is the same as leaving it unspecified. * Some drivers use arrays such as this, other do not. */ struct pcidio_board { - const char *name; /* anme of the board */ + const char *name; /* name of the board */ + int dev_id; int n_8255; /* number of 8255 chips on board */ /* indices of base address regions */ @@ -64,18 +65,21 @@ struct pcidio_board { static const struct pcidio_board pcidio_boards[] = { { .name = "pci-dio24", + .dev_id = 0x0028, .n_8255 = 1, .pcicontroler_badrindex = 1, .dioregs_badrindex = 2, }, { .name = "pci-dio24h", + .dev_id = 0x0014, .n_8255 = 1, .pcicontroler_badrindex = 1, .dioregs_badrindex = 2, }, { .name = "pci-dio48h", + .dev_id = 0x000b, .n_8255 = 2, .pcicontroler_badrindex = 0, .dioregs_badrindex = 1, @@ -206,7 +210,7 @@ static int pcidio_attach(struct comedi_device *dev, struct comedi_devconfig *it) continue; /* loop through cards supported by this driver */ for (index = 0; index < ARRAY_SIZE(pcidio_boards); index++) { - if (pcidio_pci_table[index].device != pcidev->device) + if (pcidio_boards[index].dev_id != pcidev->device) continue; /* was a particular bus/slot requested? */ diff --git a/drivers/staging/comedi/drivers/jr3_pci.c b/drivers/staging/comedi/drivers/jr3_pci.c index 14bf29bf578..0d2c2eb23b2 100644 --- a/drivers/staging/comedi/drivers/jr3_pci.c +++ b/drivers/staging/comedi/drivers/jr3_pci.c @@ -515,6 +515,7 @@ static struct poll_delay_t jr3_pci_poll_subdevice(struct comedi_subdevice *s) { struct poll_delay_t result = poll_delay_min_max(1000, 2000); struct jr3_pci_subdev_private *p = s->private; + int i; if (p) { volatile struct jr3_channel *channel = p->channel; @@ -570,18 +571,11 @@ static struct poll_delay_t jr3_pci_poll_subdevice(struct comedi_subdevice *s) p->serial_no); /* Transformation all zeros */ - transf.link[0].link_type = - (enum link_types)0; - transf.link[0].link_amount = 0; - transf.link[1].link_type = - (enum link_types)0; - transf.link[1].link_amount = 0; - transf.link[2].link_type = - (enum link_types)0; - transf.link[2].link_amount = 0; - transf.link[3].link_type = - (enum link_types)0; - transf.link[3].link_amount = 0; + for (i = 0; i < ARRAY_SIZE(transf.link); i++) { + transf.link[i].link_type = + (enum link_types)0; + transf.link[i].link_amount = 0; + } set_transforms(channel, transf, 0); use_transform(channel, 0); diff --git a/drivers/staging/comedi/drivers/me_daq.c b/drivers/staging/comedi/drivers/me_daq.c index 2cda7ad1d32..80e192d2e77 100644 --- a/drivers/staging/comedi/drivers/me_daq.c +++ b/drivers/staging/comedi/drivers/me_daq.c @@ -51,6 +51,7 @@ from http://www.comedi.org */ #include <linux/interrupt.h> +#include <linux/sched.h> #include "../comedidev.h" #include "comedi_pci.h" diff --git a/drivers/staging/comedi/drivers/ni_65xx.c b/drivers/staging/comedi/drivers/ni_65xx.c index 6b118c15b49..bbf75eb6d7f 100644 --- a/drivers/staging/comedi/drivers/ni_65xx.c +++ b/drivers/staging/comedi/drivers/ni_65xx.c @@ -418,15 +418,15 @@ static int ni_65xx_dio_insn_bits(struct comedi_device *dev, return -EINVAL; base_bitfield_channel = CR_CHAN(insn->chanspec); for (j = 0; j < max_ports_per_bitfield; ++j) { + const unsigned port_offset = ni_65xx_port_by_channel(base_bitfield_channel) + j; const unsigned port = - sprivate(s)->base_port + - ni_65xx_port_by_channel(base_bitfield_channel) + j; + sprivate(s)->base_port + port_offset; unsigned base_port_channel; unsigned port_mask, port_data, port_read_bits; int bitshift; if (port >= ni_65xx_total_num_ports(board(dev))) break; - base_port_channel = port * ni_65xx_channels_per_port; + base_port_channel = port_offset * ni_65xx_channels_per_port; port_mask = data[0]; port_data = data[1]; bitshift = base_port_channel - base_bitfield_channel; @@ -457,6 +457,12 @@ static int ni_65xx_dio_insn_bits(struct comedi_device *dev, port_read_bits = readb(private(dev)->mite->daq_io_addr + Port_Data(port)); /* printk("read 0x%x from port %i\n", port_read_bits, port); */ + if (s->type == COMEDI_SUBD_DO && board(dev)->invert_outputs) { + /* Outputs inverted, so invert value read back from + * DO subdevice. (Does not apply to boards with DIO + * subdevice.) */ + port_read_bits ^= 0xFF; + } if (bitshift > 0) { port_read_bits <<= bitshift; } else { diff --git a/drivers/staging/comedi/drivers/ni_daq_700.c b/drivers/staging/comedi/drivers/ni_daq_700.c index 6a7797604c9..ec31a397066 100644 --- a/drivers/staging/comedi/drivers/ni_daq_700.c +++ b/drivers/staging/comedi/drivers/ni_daq_700.c @@ -520,7 +520,7 @@ static int dio700_cs_attach(struct pcmcia_device *link) link->priv = local; /* Interrupt setup */ - link->irq.Attributes = IRQ_TYPE_EXCLUSIVE; + link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING; link->irq.IRQInfo1 = IRQ_LEVEL_ID; link->irq.Handler = NULL; diff --git a/drivers/staging/comedi/drivers/ni_daq_dio24.c b/drivers/staging/comedi/drivers/ni_daq_dio24.c index b06e81c526e..0700a8bddd1 100644 --- a/drivers/staging/comedi/drivers/ni_daq_dio24.c +++ b/drivers/staging/comedi/drivers/ni_daq_dio24.c @@ -271,7 +271,7 @@ static int dio24_cs_attach(struct pcmcia_device *link) link->priv = local; /* Interrupt setup */ - link->irq.Attributes = IRQ_TYPE_EXCLUSIVE; + link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING; link->irq.IRQInfo1 = IRQ_LEVEL_ID; link->irq.Handler = NULL; diff --git a/drivers/staging/comedi/drivers/ni_labpc_cs.c b/drivers/staging/comedi/drivers/ni_labpc_cs.c index 57aecfa883c..a3053b8da1c 100644 --- a/drivers/staging/comedi/drivers/ni_labpc_cs.c +++ b/drivers/staging/comedi/drivers/ni_labpc_cs.c @@ -246,7 +246,7 @@ static int labpc_cs_attach(struct pcmcia_device *link) link->priv = local; /* Interrupt setup */ - link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_FORCED_PULSE; + link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING | IRQ_FORCED_PULSE; link->irq.IRQInfo1 = IRQ_INFO2_VALID | IRQ_PULSE_ID; link->irq.Handler = NULL; diff --git a/drivers/staging/comedi/drivers/ni_mio_common.c b/drivers/staging/comedi/drivers/ni_mio_common.c index e3ffb067ead..753ee051234 100644 --- a/drivers/staging/comedi/drivers/ni_mio_common.c +++ b/drivers/staging/comedi/drivers/ni_mio_common.c @@ -62,6 +62,7 @@ /* #define DEBUG_STATUS_B */ #include <linux/interrupt.h> +#include <linux/sched.h> #include "8255.h" #include "mite.h" #include "comedi_fc.h" diff --git a/drivers/staging/comedi/drivers/ni_mio_cs.c b/drivers/staging/comedi/drivers/ni_mio_cs.c index b7322963cf7..9aef87fc81d 100644 --- a/drivers/staging/comedi/drivers/ni_mio_cs.c +++ b/drivers/staging/comedi/drivers/ni_mio_cs.c @@ -273,7 +273,7 @@ static int cs_attach(struct pcmcia_device *link) { link->io.Attributes1 = IO_DATA_PATH_WIDTH_16; link->io.NumPorts1 = 16; - link->irq.Attributes = IRQ_TYPE_EXCLUSIVE; + link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING; link->irq.IRQInfo1 = IRQ_LEVEL_ID; link->conf.Attributes = CONF_ENABLE_IRQ; link->conf.IntType = INT_MEMORY_AND_IO; diff --git a/drivers/staging/comedi/drivers/ni_pcidio.c b/drivers/staging/comedi/drivers/ni_pcidio.c index 52b2eca9e73..d544698f241 100644 --- a/drivers/staging/comedi/drivers/ni_pcidio.c +++ b/drivers/staging/comedi/drivers/ni_pcidio.c @@ -70,6 +70,7 @@ comedi_nonfree_firmware tarball available from http://www.comedi.org /* #define DEBUG_FLAGS */ #include <linux/interrupt.h> +#include <linux/sched.h> #include "../comedidev.h" #include "mite.h" diff --git a/drivers/staging/comedi/drivers/ni_pcimio.c b/drivers/staging/comedi/drivers/ni_pcimio.c index 19d87553d90..24c8b8ed5b4 100644 --- a/drivers/staging/comedi/drivers/ni_pcimio.c +++ b/drivers/staging/comedi/drivers/ni_pcimio.c @@ -29,7 +29,7 @@ Devices: [National Instruments] PCI-MIO-16XE-50 (ni_pcimio), PCI-MIO-16XE-10, PXI-6030E, PCI-MIO-16E-1, PCI-MIO-16E-4, PCI-6014, PCI-6040E, PXI-6040E, PCI-6030E, PCI-6031E, PCI-6032E, PCI-6033E, PCI-6071E, PCI-6023E, PCI-6024E, PCI-6025E, PXI-6025E, PCI-6034E, PCI-6035E, PCI-6052E, - PCI-6110, PCI-6111, PCI-6220, PCI-6221, PCI-6224, PXI-6224, PCI-6225, + PCI-6110, PCI-6111, PCI-6220, PCI-6221, PCI-6224, PXI-6224, PCI-6225, PXI-6225, PCI-6229, PCI-6250, PCI-6251, PCIe-6251, PCI-6254, PCI-6259, PCIe-6259, PCI-6280, PCI-6281, PXI-6281, PCI-6284, PCI-6289, PCI-6711, PXI-6711, PCI-6713, PXI-6713, @@ -179,6 +179,7 @@ static DEFINE_PCI_DEVICE_TABLE(ni_pci_table) = { PCI_VENDOR_ID_NATINST, 0x70f2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { PCI_VENDOR_ID_NATINST, 0x710d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { PCI_VENDOR_ID_NATINST, 0x716c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { + PCI_VENDOR_ID_NATINST, 0x716d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { PCI_VENDOR_ID_NATINST, 0x717f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { PCI_VENDOR_ID_NATINST, 0x71bc, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { PCI_VENDOR_ID_NATINST, 0x717d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { @@ -953,6 +954,25 @@ static const struct ni_board_struct ni_boards[] = { .has_8255 = 0, }, { + .device_id = 0x716d, + .name = "pxi-6225", + .n_adchan = 80, + .adbits = 16, + .ai_fifo_depth = 4095, + .gainlkup = ai_gain_622x, + .ai_speed = 4000, + .n_aochan = 2, + .aobits = 16, + .ao_fifo_depth = 8191, + .ao_range_table = &range_ni_M_622x_ao, + .reg_type = ni_reg_622x, + .ao_unipolar = 0, + .ao_speed = 1200, + .num_p0_dio_channels = 32, + .caldac = {caldac_none}, + .has_8255 = 0, + }, + { .device_id = 0x70aa, .name = "pci-6229", .n_adchan = 32, diff --git a/drivers/staging/comedi/drivers/quatech_daqp_cs.c b/drivers/staging/comedi/drivers/quatech_daqp_cs.c index f63bdc35cff..344b82353e0 100644 --- a/drivers/staging/comedi/drivers/quatech_daqp_cs.c +++ b/drivers/staging/comedi/drivers/quatech_daqp_cs.c @@ -1079,7 +1079,7 @@ static int daqp_cs_attach(struct pcmcia_device *link) link->priv = local; /* Interrupt setup */ - link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT; + link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING | IRQ_HANDLE_PRESENT; link->irq.IRQInfo1 = IRQ_LEVEL_ID; link->irq.Handler = daqp_interrupt; link->irq.Instance = local; diff --git a/drivers/staging/comedi/drivers/s526.c b/drivers/staging/comedi/drivers/s526.c index b89e1ec267c..07c21e686f2 100644 --- a/drivers/staging/comedi/drivers/s526.c +++ b/drivers/staging/comedi/drivers/s526.c @@ -43,6 +43,7 @@ comedi_config /dev/comedi0 s526 0x2C0,0x3 #include "../comedidev.h" #include <linux/ioport.h> +#include <asm/byteorder.h> #define S526_SIZE 64 @@ -113,6 +114,7 @@ static const int s526_ports[] = { }; struct counter_mode_register_t { +#if defined (__LITTLE_ENDIAN_BITFIELD) unsigned short coutSource:1; unsigned short coutPolarity:1; unsigned short autoLoadResetRcap:3; @@ -124,12 +126,27 @@ struct counter_mode_register_t { unsigned short outputRegLatchCtrl:1; unsigned short preloadRegSel:1; unsigned short reserved:1; + #elif defined(__BIG_ENDIAN_BITFIELD) + unsigned short reserved:1; + unsigned short preloadRegSel:1; + unsigned short outputRegLatchCtrl:1; + unsigned short countDirCtrl:1; + unsigned short countDir:1; + unsigned short clockSource:2; + unsigned short ctEnableCtrl:2; + unsigned short hwCtEnableSource:2; + unsigned short autoLoadResetRcap:3; + unsigned short coutPolarity:1; + unsigned short coutSource:1; +#else +#error Unknown bit field order +#endif }; -union { +union cmReg { struct counter_mode_register_t reg; unsigned short value; -} cmReg; +}; #define MAX_GPCT_CONFIG_DATA 6 @@ -285,6 +302,7 @@ static int s526_attach(struct comedi_device *dev, struct comedi_devconfig *it) int i, n; /* short value; */ /* int subdev_channel = 0; */ + union cmReg cmReg; printk("comedi%d: s526: ", dev->minor); @@ -375,7 +393,7 @@ static int s526_attach(struct comedi_device *dev, struct comedi_devconfig *it) if (thisboard->have_dio) { s->type = COMEDI_SUBD_DIO; s->subdev_flags = SDF_READABLE | SDF_WRITABLE; - s->n_chan = 2; + s->n_chan = 8; s->maxdata = 1; s->range_table = &range_digital; s->insn_bits = s526_dio_insn_bits; @@ -435,11 +453,11 @@ static int s526_attach(struct comedi_device *dev, struct comedi_devconfig *it) udelay(1000); printk("Read back mode reg=0x%04x\n", inw(ADDR_CHAN_REG(REG_C0M, n))); - /* Load the pre-laod register high word */ + /* Load the pre-load register high word */ /* value = (short) (0x55); */ /* outw(value, ADDR_CHAN_REG(REG_C0H, n)); */ - /* Load the pre-laod register low word */ + /* Load the pre-load register low word */ /* value = (short)(0xaa55); */ /* outw(value, ADDR_CHAN_REG(REG_C0L, n)); */ @@ -516,6 +534,7 @@ static int s526_gpct_insn_config(struct comedi_device *dev, int subdev_channel = CR_CHAN(insn->chanspec); /* Unpack chanspec */ int i; short value; + union cmReg cmReg; /* printk("s526: GPCT_INSN_CONFIG: Configuring Channel %d\n", subdev_channel); */ @@ -568,19 +587,8 @@ static int s526_gpct_insn_config(struct comedi_device *dev, #if 1 /* Set Counter Mode Register */ - cmReg.reg.coutSource = 0; /* out RCAP */ - cmReg.reg.coutPolarity = 0; /* Polarity inverted */ - cmReg.reg.autoLoadResetRcap = 0; /* Auto load disabled */ - cmReg.reg.hwCtEnableSource = 2; /* NOT RCAP */ - cmReg.reg.ctEnableCtrl = 1; /* 1: Software, >1 : Hardware */ - cmReg.reg.clockSource = 3; /* x4 */ - cmReg.reg.countDir = 0; /* up */ - cmReg.reg.countDirCtrl = 0; /* quadrature */ - cmReg.reg.outputRegLatchCtrl = 0; /* latch on read */ - cmReg.reg.preloadRegSel = 0; /* PR0 */ - cmReg.reg.reserved = 0; + cmReg.value = insn->data[1] & 0xFFFF; - /* Set Counter Mode Register */ /* printk("s526: Counter Mode register=%x\n", cmReg.value); */ outw(cmReg.value, ADDR_CHAN_REG(REG_C0M, subdev_channel)); @@ -615,11 +623,11 @@ static int s526_gpct_insn_config(struct comedi_device *dev, cmReg.value = (short)(insn->data[1] & 0xFFFF); outw(cmReg.value, ADDR_CHAN_REG(REG_C0M, subdev_channel)); - /* Load the pre-laod register high word */ + /* Load the pre-load register high word */ value = (short)((insn->data[2] >> 16) & 0xFFFF); outw(value, ADDR_CHAN_REG(REG_C0H, subdev_channel)); - /* Load the pre-laod register low word */ + /* Load the pre-load register low word */ value = (short)(insn->data[2] & 0xFFFF); outw(value, ADDR_CHAN_REG(REG_C0L, subdev_channel)); @@ -653,11 +661,11 @@ static int s526_gpct_insn_config(struct comedi_device *dev, cmReg.reg.preloadRegSel = 0; /* PR0 */ outw(cmReg.value, ADDR_CHAN_REG(REG_C0M, subdev_channel)); - /* Load the pre-laod register 0 high word */ + /* Load the pre-load register 0 high word */ value = (short)((insn->data[2] >> 16) & 0xFFFF); outw(value, ADDR_CHAN_REG(REG_C0H, subdev_channel)); - /* Load the pre-laod register 0 low word */ + /* Load the pre-load register 0 low word */ value = (short)(insn->data[2] & 0xFFFF); outw(value, ADDR_CHAN_REG(REG_C0L, subdev_channel)); @@ -666,17 +674,17 @@ static int s526_gpct_insn_config(struct comedi_device *dev, cmReg.reg.preloadRegSel = 1; /* PR1 */ outw(cmReg.value, ADDR_CHAN_REG(REG_C0M, subdev_channel)); - /* Load the pre-laod register 1 high word */ + /* Load the pre-load register 1 high word */ value = (short)((insn->data[3] >> 16) & 0xFFFF); outw(value, ADDR_CHAN_REG(REG_C0H, subdev_channel)); - /* Load the pre-laod register 1 low word */ + /* Load the pre-load register 1 low word */ value = (short)(insn->data[3] & 0xFFFF); outw(value, ADDR_CHAN_REG(REG_C0L, subdev_channel)); /* Write the Counter Control Register */ - if (insn->data[3] != 0) { - value = (short)(insn->data[3] & 0xFFFF); + if (insn->data[4] != 0) { + value = (short)(insn->data[4] & 0xFFFF); outw(value, ADDR_CHAN_REG(REG_C0C, subdev_channel)); } break; @@ -698,11 +706,11 @@ static int s526_gpct_insn_config(struct comedi_device *dev, cmReg.reg.preloadRegSel = 0; /* PR0 */ outw(cmReg.value, ADDR_CHAN_REG(REG_C0M, subdev_channel)); - /* Load the pre-laod register 0 high word */ + /* Load the pre-load register 0 high word */ value = (short)((insn->data[2] >> 16) & 0xFFFF); outw(value, ADDR_CHAN_REG(REG_C0H, subdev_channel)); - /* Load the pre-laod register 0 low word */ + /* Load the pre-load register 0 low word */ value = (short)(insn->data[2] & 0xFFFF); outw(value, ADDR_CHAN_REG(REG_C0L, subdev_channel)); @@ -711,17 +719,17 @@ static int s526_gpct_insn_config(struct comedi_device *dev, cmReg.reg.preloadRegSel = 1; /* PR1 */ outw(cmReg.value, ADDR_CHAN_REG(REG_C0M, subdev_channel)); - /* Load the pre-laod register 1 high word */ + /* Load the pre-load register 1 high word */ value = (short)((insn->data[3] >> 16) & 0xFFFF); outw(value, ADDR_CHAN_REG(REG_C0H, subdev_channel)); - /* Load the pre-laod register 1 low word */ + /* Load the pre-load register 1 low word */ value = (short)(insn->data[3] & 0xFFFF); outw(value, ADDR_CHAN_REG(REG_C0L, subdev_channel)); /* Write the Counter Control Register */ - if (insn->data[3] != 0) { - value = (short)(insn->data[3] & 0xFFFF); + if (insn->data[4] != 0) { + value = (short)(insn->data[4] & 0xFFFF); outw(value, ADDR_CHAN_REG(REG_C0C, subdev_channel)); } break; @@ -741,6 +749,7 @@ static int s526_gpct_winsn(struct comedi_device *dev, { int subdev_channel = CR_CHAN(insn->chanspec); /* Unpack chanspec */ short value; + union cmReg cmReg; printk("s526: GPCT_INSN_WRITE on channel %d\n", subdev_channel); cmReg.value = inw(ADDR_CHAN_REG(REG_C0M, subdev_channel)); @@ -775,9 +784,8 @@ static int s526_gpct_winsn(struct comedi_device *dev, (devpriv->s526_gpct_config[subdev_channel]).data[1] = insn->data[1]; } else { - printk("%d \t %d\n", insn->data[1], insn->data[2]); - printk - ("s526: INSN_WRITE: PTG: Problem with Pulse params\n"); + printk("s526: INSN_WRITE: PTG: Problem with Pulse params -> %d %d\n", + insn->data[0], insn->data[1]); return -EINVAL; } @@ -949,7 +957,7 @@ static int s526_dio_insn_bits(struct comedi_device *dev, data[1] = inw(ADDR_REG(REG_DIO)) & 0xFF; /* low 8 bits are the data */ /* or we could just return the software copy of the output values if * it was a purely digital output subdevice */ - /* data[1]=s->state; */ + /* data[1]=s->state & 0xFF; */ return 2; } @@ -959,28 +967,33 @@ static int s526_dio_insn_config(struct comedi_device *dev, struct comedi_insn *insn, unsigned int *data) { int chan = CR_CHAN(insn->chanspec); - short value; + int group, mask; printk("S526 DIO insn_config\n"); - if (insn->n != 1) - return -EINVAL; - - value = inw(ADDR_REG(REG_DIO)); - /* The input or output configuration of each digital line is * configured by a special insn_config instruction. chanspec * contains the channel to be changed, and data[0] contains the * value COMEDI_INPUT or COMEDI_OUTPUT. */ - if (data[0] == COMEDI_OUTPUT) { - value |= 1 << (chan + 10); /* bit 10/11 set the group 1/2's mode */ - s->io_bits |= (0xF << chan); - } else { - value &= ~(1 << (chan + 10)); /* 1 is output, 0 is input. */ - s->io_bits &= ~(0xF << chan); + group = chan >> 2; + mask = 0xF << (group << 2); + switch (data[0]) { + case INSN_CONFIG_DIO_OUTPUT: + s->state |= 1 << (group + 10); // bit 10/11 set the group 1/2's mode + s->io_bits |= mask; + break; + case INSN_CONFIG_DIO_INPUT: + s->state &= ~(1 << (group + 10));// 1 is output, 0 is input. + s->io_bits &= ~mask; + break; + case INSN_CONFIG_DIO_QUERY: + data[1] = (s->io_bits & mask) ? COMEDI_OUTPUT : COMEDI_INPUT; + return insn->n; + default: + return -EINVAL; } - outw(value, ADDR_REG(REG_DIO)); + outw(s->state, ADDR_REG(REG_DIO)); return 1; } diff --git a/drivers/staging/comedi/drivers/serial2002.c b/drivers/staging/comedi/drivers/serial2002.c index a2196798394..82aa86e718b 100644 --- a/drivers/staging/comedi/drivers/serial2002.c +++ b/drivers/staging/comedi/drivers/serial2002.c @@ -35,6 +35,7 @@ Status: in development #include <linux/delay.h> #include <linux/ioport.h> +#include <linux/sched.h> #include <asm/termios.h> #include <asm/ioctls.h> diff --git a/drivers/staging/cowloop/Kconfig b/drivers/staging/cowloop/Kconfig deleted file mode 100644 index 58d2a23bd2c..00000000000 --- a/drivers/staging/cowloop/Kconfig +++ /dev/null @@ -1,16 +0,0 @@ -config COWLOOP - tristate "copy-on-write pseudo Block Driver" - depends on BLOCK - default n - ---help--- - Cowloop is a "copy-on-write" pseudo block driver. It can be - stacked on top of a "real" block driver, and catches all write - operations on their way from the file systems layer above to - the real driver below, effectively shielding the lower driver - from those write accesses. The requests are then diverted to - an ordinary file, located somewhere else (configurable). Later - read requests are checked to see whether they can be serviced - by the "real" block driver below, or must be pulled in from - the diverted location. More information and userspace tools to - use the driver are on the project's website - http://www.ATComputing.nl/cowloop/ diff --git a/drivers/staging/cowloop/Makefile b/drivers/staging/cowloop/Makefile deleted file mode 100644 index 2b6b81a63d2..00000000000 --- a/drivers/staging/cowloop/Makefile +++ /dev/null @@ -1 +0,0 @@ -obj-$(CONFIG_COWLOOP) += cowloop.o diff --git a/drivers/staging/cowloop/TODO b/drivers/staging/cowloop/TODO deleted file mode 100644 index 9399d1c16e1..00000000000 --- a/drivers/staging/cowloop/TODO +++ /dev/null @@ -1,11 +0,0 @@ -TODO: - - checkpatch.pl cleanups - - run sparse to ensure clean - - fix up 32/64bit ioctl issues - - move proc file usage to debugfs - - audit ioctls - - add documentation - - get linux-fsdevel to review it - -Please send patches to "H.J. Thomassen" <hjt@ATComputing.nl> and -Greg Kroah-Hartman <gregkh@suse.de> diff --git a/drivers/staging/cowloop/cowloop.c b/drivers/staging/cowloop/cowloop.c deleted file mode 100644 index a71c743a119..00000000000 --- a/drivers/staging/cowloop/cowloop.c +++ /dev/null @@ -1,2842 +0,0 @@ -/* -** COWLOOP block device driver (2.6 kernel compliant) -** ======================================================================= -** Read-write loop-driver with copy-on-write functionality. -** -** Synopsis: -** -** modprobe cowloop [maxcows=..] [rdofile=..... cowfile=.... [option=r]] -** -** Definition of number of configured cowdevices: -** maxcows= number of configured cowdevices (default: 16) -** (do not confuse this with MAXCOWS: absolute maximum as compiled) -** -** One pair of filenames can be supplied during insmod/modprobe to open -** the first cowdevice: -** rdofile= read-only file (or filesystem) -** cowfile= storage-space for modified blocks of read-only file(system) -** option=r repair cowfile automatically if it appears to be dirty -** -** Other cowdevices can be activated via the command "cowdev" -** whenever the cowloop-driver is loaded. -** -** The read-only file may be of type 'regular' or 'block-device'. -** -** The cowfile must be of type 'regular'. -** If an existing regular file is used as cowfile, its contents will be -** used again for the current read-only file. When the cowfile has not been -** closed properly during a previous session (i.e. rmmod cowloop), the -** cowloop-driver refuses to open it unless the parameter "option=r" is -** specified. -** -** Layout of cowfile: -** -** +-----------------------------+ -** | cow head block | MAPUNIT bytes -** |-----------------------------| -** | | MAPUNIT bytes -** |--- ---| -** | | MAPUNIT bytes -** |--- ---| -** | used-block bitmap | MAPUNIT bytes -** |-----------------------------| -** | gap to align start-offset | -** | to 4K multiple | -** |-----------------------------| <---- start-offset cow blocks -** | | -** | written cow blocks | MAPUNIT bytes -** | ..... | -** -** cowhead block: -** - contains general info about the rdofile which is related -** to this cowfile -** -** used-block bitmap: -** - contains one bit per block with a size of MAPUNIT bytes -** - bit-value '1' = block has been written on cow -** '0' = block unused on cow -** - total bitmap rounded to multiples of MAPUNIT -** -** ============================================================================ -** Author: Gerlof Langeveld - AT Computing (March 2003) -** Current maintainer: Hendrik-Jan Thomassen - AT Computing (Summer 2006) -** Email: hjt@ATComputing.nl -** ---------------------------------------------------------------------------- -** Copyright (C) 2003-2009 AT Consultancy -** -** This program is free software; you can redistribute it and/or modify it -** under the terms of the GNU General Public License as published by the -** Free Software Foundation; either version 2, or (at your option) any -** later version. -** -** This program is distributed in the hope that it will be useful, but -** WITHOUT ANY WARRANTY; without even the implied warranty of -** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. -** See the GNU General Public License for more details. -** -** You should have received a copy of the GNU General Public License -** along with this program; if not, write to the Free Software -** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -** ---------------------------------------------------------------------------- -** -** Major modifications: -** -** 200405 Ported to kernel-version 2.6 Hendrik-Jan Thomassen -** 200405 Added cowhead to cowfile to garantee -** consistency with read-only file Gerlof Langeveld -** 200405 Postponed flushing of bitmaps to improve -** performance. Gerlof Langeveld -** 200405 Inline recovery for dirty cowfiles. Gerlof Langeveld -** 200502 Redesign to support more cowdevices. Gerlof Langeveld -** 200502 Support devices/file > 2 Gbytes. Gerlof Langeveld -** 200507 Check for free space to expand cowfile. Gerlof Langeveld -** 200902 Upgrade for kernel 2.6.28 Hendrik-Jan Thomassen -** -** Inspired by -** loop.c by Theodore Ts'o and -** cloop.c by Paul `Rusty' Russell & Klaus Knopper. -** -** Design-considerations: -** -** For the first experiments with the cowloop-driver, the request-queue -** made use of the do_generic_file_read() which worked fine except -** in combination with the cloop-driver; that combination -** resulted in a non-interruptible hangup of the system during -** heavy load. Other experiments using the `make_request' interface also -** resulted in unpredictable system hangups (with proper use of spinlocks). -** -** To overcome these problems, the cowloop-driver starts a kernel-thread -** for every active cowdevice. -** All read- and write-request on the read-only file and copy-on-write file -** are handled in the context of that thread. -** A scheme has been designed to wakeup the kernel-thread as -** soon as I/O-requests are available in the request-queue; this thread -** handles the requests one-by-one by calling the proper read- or -** write-function related to the open read-only file or copy-on-write file. -** When all pending requests have been handled, the kernel-thread goes -** back to sleep-state. -** This approach requires some additional context-switches; however the -** performance loss during heavy I/O is less than 3%. -** -** -------------------------------------------------------------------------*/ -/* The following is the cowloop package version number. It must be - identical to the content of the include-file "version.h" that is - used in all supporting utilities: */ -char revision[] = "$Revision: 3.1 $"; /* cowlo_init_module() has - assumptions about this string's format */ - -/* Note that the following numbers are *not* the cowloop package version - numbers, but separate revision history numbers to track the - modifications of this particular source file: */ -/* $Log: cowloop.c,v $ -** -** Revision 1.30 2009/02/08 hjt -** Integrated earlier fixes -** Upgraded to kernel 2.6.28 (thanks Jerome Poulin) -** -** Revision 1.29 2006/12/03 22:12:00 hjt -** changed 'cowdevlock' from spinlock to semaphore, to avoid -** "scheduling while atomic". Contributed by Juergen Christ. -** Added version.h again -** -** Revision 1.28 2006/08/16 16:00:00 hjt -** malloc each individual cowloopdevice struct separately -** -** Revision 1.27 2006/03/14 14:57:03 root -** Removed include version.h -** -** Revision 1.26 2005/08/08 11:22:48 root -** Implement possibility to close a cow file or reopen a cowfile read-only. -** -** Revision 1.25 2005/08/03 14:00:39 root -** Added modinfo info to driver. -** -** Revision 1.24 2005/07/21 06:14:53 root -** Cosmetic changes source code. -** -** Revision 1.23 2005/07/20 13:07:32 root -** Supply ioctl to write watchdog program to react on lack of cowfile space. -** -** Revision 1.22 2005/07/20 07:53:34 root -** Regular verification of free space in filesystem holding the cowfile -** (give warnings whenever space is almost exhausted). -** Terminology change: checksum renamed to fingerprint. -** -** Revision 1.21 2005/07/19 09:21:52 root -** Removing maximum limit of 16 Gb per cowdevice. -** -** Revision 1.20 2005/07/19 07:50:33 root -** Minor bugfixes and cosmetic changes. -** -** Revision 1.19 2005/06/10 12:29:55 root -** Removed lock/unlock operation from cowlo_open(). -** -** Revision 1.18 2005/05/09 12:56:26 root -** Allow a cowdevice to be open more than once -** (needed for support of ReiserFS and XFS). -** -** Revision 1.17 2005/03/17 14:36:16 root -** Fixed some license issues. -** -** Revision 1.16 2005/03/07 14:42:05 root -** Only allow one parallel open per cowdevice. -** -** Revision 1.15 2005/02/18 11:52:04 gerlof -** Redesign to support more than one cowdevice > 2 Gb space. -** -** Revision 1.14 2004/08/17 14:19:16 gerlof -** Modified output of /proc/cowloop. -** -** Revision 1.13 2004/08/16 07:21:10 gerlof -** Separate statistical counter for read on rdofile and cowfile. -** -** Revision 1.12 2004/08/11 06:52:11 gerlof -** Modified messages. -** -** Revision 1.11 2004/08/11 06:44:11 gerlof -** Modified log messages. -** -** Revision 1.10 2004/08/10 12:27:27 gerlof -** Cosmetic changes. -** -** Revision 1.9 2004/08/09 11:43:37 gerlof -** Removed double definition of major number (COWMAJOR). -** -** Revision 1.8 2004/08/09 08:03:39 gerlof -** Cleanup of messages. -** -** Revision 1.7 2004/05/27 06:37:33 gerlof -** Modified /proc message. -** -** Revision 1.6 2004/05/26 21:23:28 gerlof -** Modified /proc output. -** -** Revision 1.5 2004/05/26 13:23:34 gerlof -** Support cowsync to force flushing the bitmaps and cowhead. -** -** Revision 1.4 2004/05/26 11:11:10 gerlof -** Updated the comment to the actual situation. -** -** Revision 1.3 2004/05/26 10:50:00 gerlof -** Implemented recovery-option. -** -** Revision 1.2 2004/05/25 15:14:41 gerlof -** Modified bitmap flushing strategy. -** -*/ - -#define COWMAJOR 241 - -// #define COWDEBUG - -#ifdef COWDEBUG -#define DEBUGP printk -#define DCOW KERN_ALERT -#else -#define DEBUGP(format, x...) -#endif - -#include <linux/types.h> -#include <linux/autoconf.h> -#ifndef AUTOCONF_INCLUDED -#include <linux/config.h> -#endif -#include <linux/module.h> -#include <linux/version.h> -#include <linux/moduleparam.h> -#include <linux/init.h> -#include <linux/errno.h> -#include <linux/kernel.h> -#include <linux/major.h> -#include <linux/sched.h> -#include <linux/fs.h> -#include <linux/file.h> -#include <linux/stat.h> -#include <linux/vmalloc.h> -#include <linux/slab.h> -#include <linux/semaphore.h> -#include <asm/uaccess.h> -#include <linux/proc_fs.h> -#include <linux/blkdev.h> -#include <linux/buffer_head.h> -#include <linux/hdreg.h> -#include <linux/genhd.h> -#include <linux/statfs.h> - -#include "cowloop.h" - -MODULE_LICENSE("GPL"); -/* MODULE_AUTHOR("Gerlof Langeveld <gerlof@ATComputing.nl>"); obsolete address */ -MODULE_AUTHOR("Hendrik-Jan Thomassen <hjt@ATComputing.nl>"); /* current maintainer */ -MODULE_DESCRIPTION("Copy-on-write loop driver"); -MODULE_PARM_DESC(maxcows, " Number of configured cowdevices (default 16)"); -MODULE_PARM_DESC(rdofile, " Read-only file for /dev/cow/0"); -MODULE_PARM_DESC(cowfile, " Cowfile for /dev/cow/0"); -MODULE_PARM_DESC(option, " Repair cowfile if inconsistent: option=r"); - -#define DEVICE_NAME "cow" - -#define DFLCOWS 16 /* default cowloop devices */ - -static int maxcows = DFLCOWS; -module_param(maxcows, int, 0); -static char *rdofile = ""; -module_param(rdofile, charp, 0); -static char *cowfile = ""; -module_param(cowfile, charp, 0); -static char *option = ""; -module_param(option, charp, 0); - -/* -** per cowdevice several bitmap chunks are allowed of MAPCHUNKSZ each -** -** each bitmap chunk can describe MAPCHUNKSZ * 8 * MAPUNIT bytes of data -** suppose: -** MAPCHUNKSZ 4096 and MAPUNIT 1024 --> 4096 * 8 * 1024 = 32 Mb per chunk -*/ -#define MAPCHUNKSZ 4096 /* #bytes per bitmap chunk (do not change) */ - -#define SPCMINBLK 100 /* space threshold to give warning messages */ -#define SPCDFLINTVL 16 /* once every SPCDFLINTVL writes to cowfile, */ - /* available space in filesystem is checked */ - -#define CALCMAP(x) ((x)/(MAPCHUNKSZ*8)) -#define CALCBYTE(x) (((x)%(MAPCHUNKSZ*8))>>3) -#define CALCBIT(x) ((x)&7) - -#define ALLCOW 1 -#define ALLRDO 2 -#define MIXEDUP 3 - -static char allzeroes[MAPUNIT]; - -/* -** administration per cowdevice (pair of cowfile/rdofile) -*/ - -/* bit-values for state */ -#define COWDEVOPEN 0x01 /* cowdevice opened */ -#define COWRWCOWOPEN 0x02 /* cowfile opened read-write */ -#define COWRDCOWOPEN 0x04 /* cowfile opened read-only */ -#define COWWATCHDOG 0x08 /* ioctl for watchdog cowfile space active */ - -#define COWCOWOPEN (COWRWCOWOPEN|COWRDCOWOPEN) - -struct cowloop_device -{ - /* - ** current status - */ - int state; /* bit-values (see above) */ - int opencnt; /* # opens for cowdevice */ - - /* - ** open file pointers - */ - struct file *rdofp, *cowfp; /* open file pointers */ - char *rdoname, *cowname; /* file names */ - - /* - ** request queue administration - */ - struct request_queue *rqueue; - spinlock_t rqlock; - struct gendisk *gd; - - /* - ** administration about read-only file - */ - unsigned int numblocks; /* # blocks input file in MAPUNIT */ - unsigned int blocksz; /* minimum unit to access this dev */ - unsigned long fingerprint; /* fingerprint of current rdofile */ - struct block_device *belowdev; /* block device below us */ - struct gendisk *belowgd; /* gendisk for blk dev below us */ - struct request_queue *belowq; /* req. queue of blk dev below us */ - - /* - ** bitmap administration to register which blocks are modified - */ - long int mapsize; /* total size of bitmap (bytes) */ - long int mapremain; /* remaining bytes in last bitmap */ - int mapcount; /* number of bitmaps in use */ - char **mapcache; /* area with pointers to bitmaps */ - - char *iobuf; /* databuffer of MAPUNIT bytes */ - struct cowhead *cowhead; /* buffer containing cowhead */ - - /* - ** administration for interface with the kernel-thread - */ - int pid; /* pid==0: no thread available */ - struct request *req; /* request to be handled now */ - wait_queue_head_t waitq; /* wait-Q: thread waits for work */ - char closedown; /* boolean: thread exit required */ - char qfilled; /* boolean: I/O request pending */ - char iobusy; /* boolean: req under treatment */ - - /* - ** administration to keep track of free space in cowfile filesystem - */ - unsigned long blksize; /* block size of fs (bytes) */ - unsigned long blktotal; /* recent total space in fs (blocks) */ - unsigned long blkavail; /* recent free space in fs (blocks) */ - - wait_queue_head_t watchq; /* wait-Q: watcher awaits threshold */ - unsigned long watchthresh; /* threshold of watcher (blocks) */ - - /* - ** statistical counters - */ - unsigned long rdoreads; /* number of read-actions rdo */ - unsigned long cowreads; /* number of read-actions cow */ - unsigned long cowwrites; /* number of write-actions */ - unsigned long nrcowblocks; /* number of blocks in use on cow */ -}; - -static struct cowloop_device **cowdevall; /* ptr to ptrs to all cowdevices */ -static struct semaphore cowdevlock; /* generic lock for cowdevs */ - -static struct gendisk *cowctlgd; /* gendisk control channel */ -static spinlock_t cowctlrqlock; /* for req.q. of ctrl. channel */ - -/* -** private directory /proc/cow -*/ -struct proc_dir_entry *cowlo_procdir; - -/* -** function prototypes -*/ -static long int cowlo_do_request (struct request *req); -static void cowlo_sync (void); -static int cowlo_checkio (struct cowloop_device *, int, loff_t); -static int cowlo_readmix (struct cowloop_device *, void *, int, loff_t); -static int cowlo_writemix (struct cowloop_device *, void *, int, loff_t); -static long int cowlo_readrdo (struct cowloop_device *, void *, int, loff_t); -static long int cowlo_readcow (struct cowloop_device *, void *, int, loff_t); -static long int cowlo_readcowraw (struct cowloop_device *, void *, int, loff_t); -static long int cowlo_writecow (struct cowloop_device *, void *, int, loff_t); -static long int cowlo_writecowraw(struct cowloop_device *, void *, int, loff_t); -static int cowlo_ioctl (struct block_device *, fmode_t, - unsigned int, unsigned long); -static int cowlo_makepair (struct cowpair __user *); -static int cowlo_removepair (unsigned long __user *); -static int cowlo_watch (struct cowpair __user *); -static int cowlo_cowctl (unsigned long __user *, int); -static int cowlo_openpair (char *, char *, int, int); -static int cowlo_closepair (struct cowloop_device *); -static int cowlo_openrdo (struct cowloop_device *, char *); -static int cowlo_opencow (struct cowloop_device *, char *, int); -static void cowlo_undo_openrdo(struct cowloop_device *); -static void cowlo_undo_opencow(struct cowloop_device *); - -/*****************************************************************************/ -/* System call handling */ -/*****************************************************************************/ - -/* -** handle system call open()/mount() -** -** returns: -** 0 - okay -** < 0 - error value -*/ -static int cowlo_open(struct block_device *bdev, fmode_t mode) -{ - struct inode *inode = bdev->bd_inode; - - if (!inode) - return -EINVAL; - - if (imajor(inode) != COWMAJOR) { - printk(KERN_WARNING - "cowloop - unexpected major %d\n", imajor(inode)); - return -ENODEV; - } - - switch (iminor(inode)) { - case COWCTL: - DEBUGP(DCOW"cowloop - open %d control\n", COWCTL); - break; - - default: - DEBUGP(DCOW"cowloop - open minor %d\n", iminor(inode)); - - if ( iminor(inode) >= maxcows ) - return -ENODEV; - - if ( !((cowdevall[iminor(inode)])->state & COWDEVOPEN) ) - return -ENODEV; - - (cowdevall[iminor(inode)])->opencnt++; - } - - return 0; -} - -/* -** handle system call close()/umount() -** -** returns: -** 0 - okay -*/ -static int cowlo_release(struct gendisk *gd, fmode_t mode) -{ - struct block_device *bdev; - struct inode *inode; - - bdev = bdget_disk(gd, 0); - inode = bdev->bd_inode; - if (!inode) - return 0; - - DEBUGP(DCOW"cowloop - release (close) minor %d\n", iminor(inode)); - - if ( iminor(inode) != COWCTL) - (cowdevall[iminor(inode)])->opencnt--; - - return 0; -} - -/* -** handle system call ioctl() -** -** returns: -** 0 - okay -** < 0 - error value -*/ -static int cowlo_ioctl(struct block_device *bdev, fmode_t mode, - unsigned int cmd, unsigned long arg) -{ - struct hd_geometry geo; - struct inode *inode = bdev->bd_inode; - - DEBUGP(DCOW "cowloop - ioctl cmd %x\n", cmd); - - switch ( iminor(inode) ) { - - /* - ** allowed via control device only - */ - case COWCTL: - switch (cmd) { - /* - ** write all bitmap chunks and cowheaders to cowfiles - */ - case COWSYNC: - down(&cowdevlock); - cowlo_sync(); - up(&cowdevlock); - return 0; - - /* - ** open a new cowdevice (pair of rdofile/cowfile) - */ - case COWMKPAIR: - return cowlo_makepair((void __user *)arg); - - /* - ** close a cowdevice (pair of rdofile/cowfile) - */ - case COWRMPAIR: - return cowlo_removepair((void __user *)arg); - - /* - ** watch free space of filesystem containing cowfile - */ - case COWWATCH: - return cowlo_watch((void __user *)arg); - - /* - ** close cowfile for active device - */ - case COWCLOSE: - return cowlo_cowctl((void __user *)arg, COWCLOSE); - - /* - ** reopen cowfile read-only for active device - */ - case COWRDOPEN: - return cowlo_cowctl((void __user *)arg, COWRDOPEN); - - default: - return -EINVAL; - } /* end of switch on command */ - - /* - ** allowed for any other cowdevice - */ - default: - switch (cmd) { - /* - ** HDIO_GETGEO must be supported for fdisk, etc - */ - case HDIO_GETGEO: - geo.cylinders = 0; - geo.heads = 0; - geo.sectors = 0; - - if (copy_to_user((void __user *)arg, &geo, sizeof geo)) - return -EFAULT; - return 0; - - default: - return -EINVAL; - } /* end of switch on ioctl-cmd code parameter */ - } /* end of switch on minor number */ -} - -static struct block_device_operations cowlo_fops = -{ - .owner = THIS_MODULE, - .open = cowlo_open, /* called upon open */ - .release = cowlo_release, /* called upon close */ - .ioctl = cowlo_ioctl, /* called upon ioctl */ -}; - -/* -** handle ioctl-command COWMKPAIR: -** open a new cowdevice (pair of rdofile/cowfile) on-the-fly -** -** returns: -** 0 - okay -** < 0 - error value -*/ -static int -cowlo_makepair(struct cowpair __user *arg) -{ - int i, rv=0; - struct cowpair cowpair; - unsigned char *cowpath; - unsigned char *rdopath; - - /* - ** retrieve info about pathnames - */ - if ( copy_from_user(&cowpair, arg, sizeof cowpair) ) - return -EFAULT; - - if ( (MAJOR(cowpair.device) != COWMAJOR) && (cowpair.device != ANYDEV) ) - return -EINVAL; - - if ( (MINOR(cowpair.device) >= maxcows) && (cowpair.device != ANYDEV) ) - return -EINVAL; - - /* - ** retrieve pathname strings - */ - if ( (cowpair.cowflen > PATH_MAX) || (cowpair.rdoflen > PATH_MAX) ) - return -ENAMETOOLONG; - - if ( !(cowpath = kmalloc(cowpair.cowflen+1, GFP_KERNEL)) ) - return -ENOMEM; - - if ( copy_from_user(cowpath, (void __user *)cowpair.cowfile, - cowpair.cowflen) ) { - kfree(cowpath); - return -EFAULT; - } - *(cowpath+cowpair.cowflen) = 0; - - if ( !(rdopath = kmalloc(cowpair.rdoflen+1, GFP_KERNEL)) ) { - kfree(cowpath); - return -ENOMEM; - } - - if ( copy_from_user(rdopath, (void __user *)cowpair.rdofile, - cowpair.rdoflen) ) { - kfree(rdopath); - kfree(cowpath); - return -EFAULT; - } - *(rdopath+cowpair.rdoflen) = 0; - - /* - ** open new cowdevice - */ - if ( cowpair.device == ANYDEV) { - /* - ** search first unused minor - */ - for (i=0, rv=-EBUSY; i < maxcows; i++) { - if ( !((cowdevall[i])->state & COWDEVOPEN) ) { - rv = cowlo_openpair(rdopath, cowpath, 0, i); - break; - } - } - - if (rv) { /* open failed? */ - kfree(rdopath); - kfree(cowpath); - return rv; - } - - /* - ** return newly allocated cowdevice to user space - */ - cowpair.device = MKDEV(COWMAJOR, i); - - if ( copy_to_user(arg, &cowpair, sizeof cowpair)) { - kfree(rdopath); - kfree(cowpath); - return -EFAULT; - } - } else { /* specific minor requested */ - if ( (rv = cowlo_openpair(rdopath, cowpath, 0, - MINOR(cowpair.device)))) { - kfree(rdopath); - kfree(cowpath); - return rv; - } - } - - return 0; -} - -/* -** handle ioctl-command COWRMPAIR: -** deactivate an existing cowdevice (pair of rdofile/cowfile) on-the-fly -** -** returns: -** 0 - okay -** < 0 - error value -*/ -static int -cowlo_removepair(unsigned long __user *arg) -{ - unsigned long cowdevice; - struct cowloop_device *cowdev; - - /* - ** retrieve info about device to be removed - */ - if ( copy_from_user(&cowdevice, arg, sizeof cowdevice)) - return -EFAULT; - - /* - ** verify major-minor number - */ - if ( MAJOR(cowdevice) != COWMAJOR) - return -EINVAL; - - if ( MINOR(cowdevice) >= maxcows) - return -EINVAL; - - cowdev = cowdevall[MINOR(cowdevice)]; - - if ( !(cowdev->state & COWDEVOPEN) ) - return -ENODEV; - - /* - ** synchronize bitmaps and close cowdevice - */ - if (cowdev->state & COWRWCOWOPEN) { - down(&cowdevlock); - cowlo_sync(); - up(&cowdevlock); - } - - return cowlo_closepair(cowdev); -} - -/* -** handle ioctl-command COWWATCH: -** watch the free space of the filesystem containing a cowfile -** of an open cowdevice -** -** returns: -** 0 - okay -** < 0 - error value -*/ -static int -cowlo_watch(struct cowpair __user *arg) -{ - struct cowloop_device *cowdev; - struct cowwatch cowwatch; - - /* - ** retrieve structure holding info - */ - if ( copy_from_user(&cowwatch, arg, sizeof cowwatch)) - return -EFAULT; - - /* - ** verify if cowdevice exists and is currently open - */ - if ( MINOR(cowwatch.device) >= maxcows) - return -EINVAL; - - cowdev = cowdevall[MINOR(cowwatch.device)]; - - if ( !(cowdev->state & COWDEVOPEN) ) - return -ENODEV; - - /* - ** if the WATCHWAIT-option is set, wait until the indicated - ** threshold is reached (only one waiter allowed) - */ - if (cowwatch.flags & WATCHWAIT) { - /* - ** check if already another waiter active - ** for this cowdevice - */ - if (cowdev->state & COWWATCHDOG) - return -EAGAIN; - - cowdev->state |= COWWATCHDOG; - - cowdev->watchthresh = (unsigned long long) - cowwatch.threshold / - (cowdev->blksize / 1024); - - if (wait_event_interruptible(cowdev->watchq, - cowdev->watchthresh >= cowdev->blkavail)) { - cowdev->state &= ~COWWATCHDOG; - return EINTR; - } - - cowdev->state &= ~COWWATCHDOG; - } - - cowwatch.totalkb = (unsigned long long)cowdev->blktotal * - cowdev->blksize / 1024; - cowwatch.availkb = (unsigned long long)cowdev->blkavail * - cowdev->blksize / 1024; - - if ( copy_to_user(arg, &cowwatch, sizeof cowwatch)) - return -EFAULT; - - return 0; -} - -/* -** handle ioctl-commands COWCLOSE and COWRDOPEN: -** COWCLOSE - close the cowfile while the cowdevice remains open; -** this allows an unmount of the filesystem on which -** the cowfile resides -** COWRDOPEN - close the cowfile and reopen it for read-only; -** this allows a remount read-ony of the filesystem -** on which the cowfile resides -** -** returns: -** 0 - okay -** < 0 - error value -*/ -static int -cowlo_cowctl(unsigned long __user *arg, int cmd) -{ - struct cowloop_device *cowdev; - unsigned long cowdevice; - - /* - ** retrieve info about device to be removed - */ - if ( copy_from_user(&cowdevice, arg, sizeof cowdevice)) - return -EFAULT; - - /* - ** verify major-minor number - */ - if ( MAJOR(cowdevice) != COWMAJOR) - return -EINVAL; - - if ( MINOR(cowdevice) >= maxcows) - return -EINVAL; - - cowdev = cowdevall[MINOR(cowdevice)]; - - if ( !(cowdev->state & COWDEVOPEN) ) - return -ENODEV; - - /* - ** synchronize bitmaps and close cowfile - */ - if (cowdev->state & COWRWCOWOPEN) { - down(&cowdevlock); - cowlo_sync(); - up(&cowdevlock); - } - - /* - ** handle specific ioctl-command - */ - switch (cmd) { - case COWRDOPEN: - /* - ** if the cowfile is still opened read-write - */ - if (cowdev->state & COWRWCOWOPEN) { - /* - ** close the cowfile - */ - if (cowdev->cowfp) - filp_close(cowdev->cowfp, 0); - - cowdev->state &= ~COWRWCOWOPEN; - - /* - ** open again for read-only - */ - cowdev->cowfp = filp_open(cowdev->cowname, - O_RDONLY|O_LARGEFILE, 0600); - - if ( (cowdev->cowfp == NULL) || IS_ERR(cowdev->cowfp) ) { - printk(KERN_ERR - "cowloop - failed to reopen cowfile %s\n", - cowdev->cowname); - return -EINVAL; - } - - /* - ** mark cowfile open for read-only - */ - cowdev->state |= COWRDCOWOPEN; - } else { - return -EINVAL; - } - break; - - case COWCLOSE: - /* - ** if the cowfile is still open - */ - if (cowdev->state & COWCOWOPEN) { - /* - ** close the cowfile - */ - if (cowdev->cowfp) - filp_close(cowdev->cowfp, 0); - - cowdev->state &= ~COWCOWOPEN; - } - } - - return 0; -} - - -/*****************************************************************************/ -/* Handling of I/O-requests for a cowdevice */ -/*****************************************************************************/ - -/* -** function to be called by core-kernel to handle the I/O-requests -** in the queue -*/ -static void cowlo_request(struct request_queue *q) -{ - struct request *req; - struct cowloop_device *cowdev; - - DEBUGP(DCOW "cowloop - request function called....\n"); - - while((req = blk_peek_request(q)) != NULL) { - DEBUGP(DCOW "cowloop - got next request\n"); - - if (! blk_fs_request(req)) { - /* this is not a normal file system request */ - __blk_end_request_cur(req, -EIO); - continue; - } - cowdev = req->rq_disk->private_data; - - if (cowdev->iobusy) - return; - else - cowdev->iobusy = 1; - - /* - ** when no kernel-thread is available, the request will - ** produce an I/O-error - */ - if (!cowdev->pid) { - printk(KERN_ERR"cowloop - no thread available\n"); - __blk_end_request_cur(req, -EIO); /* request failed */ - cowdev->iobusy = 0; - continue; - } - - /* - ** handle I/O-request in the context of the kernel-thread - */ - cowdev->req = req; - cowdev->qfilled = 1; - - wake_up_interruptible_sync(&cowdev->waitq); - - /* - ** get out of this function now while the I/O-request is - ** under treatment of the kernel-thread; this function - ** will be called again after the current I/O-request has - ** been finished by the thread - */ - return; - } -} - -/* -** daemon-process (kernel-thread) executes this function -*/ -static int -cowlo_daemon(struct cowloop_device *cowdev) -{ - int rv; - int minor; - char myname[16]; - - for (minor = 0; minor < maxcows; minor++) { - if (cowdev == cowdevall[minor]) break; - } - sprintf(myname, "cowloopd%d", minor); - - daemonize(myname); - - while (!cowdev->closedown) { - /* - ** sleep while waiting for an I/O request; - ** note that no non-interruptible wait has been used - ** because the non-interruptible version of - ** a *synchronous* wake_up does not exist (any more) - */ - if (wait_event_interruptible(cowdev->waitq, cowdev->qfilled)){ - flush_signals(current); /* ignore signal-based wakeup */ - continue; - } - - if (cowdev->closedown) /* module will be unloaded ? */{ - cowdev->pid = 0; - return 0; - } - - /* - ** woken up by the I/O-request handler: treat requested I/O - */ - cowdev->qfilled = 0; - - rv = cowlo_do_request(cowdev->req); - - /* - ** reacquire the queue-spinlock for manipulating - ** the request-queue and dequeue the request - */ - spin_lock_irq(&cowdev->rqlock); - - __blk_end_request_cur(cowdev->req, rv); - cowdev->iobusy = 0; - - /* - ** initiate the next request from the queue - */ - cowlo_request(cowdev->rqueue); - - spin_unlock_irq(&cowdev->rqlock); - } - return 0; -} - -/* -** function to be called in the context of the kernel thread -** to handle the queued I/O-requests -** -** returns: -** 0 - fail -** 1 - success -*/ -static long int -cowlo_do_request(struct request *req) -{ - unsigned long len; - long int rv; - loff_t offset; - struct cowloop_device *cowdev = req->rq_disk->private_data; - - /* - ** calculate some variables which are needed later on - */ - len = blk_rq_cur_sectors(req) << 9; - offset = (loff_t) blk_rq_pos(req) << 9; - - DEBUGP(DCOW"cowloop - req cmd=%d offset=%lld len=%lu addr=%p\n", - *(req->cmd), offset, len, req->buffer); - - /* - ** handle READ- or WRITE-request - */ - switch (rq_data_dir(req)) { - /**********************************************************/ - case READ: - switch ( cowlo_checkio(cowdev, len, offset) ) { - case ALLCOW: - rv = cowlo_readcow(cowdev, req->buffer, len, offset); - break; - - case ALLRDO: - rv = cowlo_readrdo(cowdev, req->buffer, len, offset); - break; - - case MIXEDUP: - rv = cowlo_readmix(cowdev, req->buffer, len, offset); - break; - - default: - rv = 0; /* never happens */ - } - break; - - /**********************************************************/ - case WRITE: - switch ( cowlo_checkio(cowdev, len, offset) ) { - case ALLCOW: - /* - ** straight-forward write will do... - */ - DEBUGP(DCOW"cowloop - write straight "); - - rv = cowlo_writecow(cowdev, req->buffer, len, offset); - break; /* from switch */ - - case ALLRDO: - if ( (len & MUMASK) == 0) { - DEBUGP(DCOW"cowloop - write straight "); - - rv = cowlo_writecow(cowdev, req->buffer, - len, offset); - break; - } - - case MIXEDUP: - rv = cowlo_writemix(cowdev, req->buffer, len, offset); - break; - - default: - rv = 0; /* never happens */ - } - break; - - default: - printk(KERN_ERR - "cowloop - unrecognized command %d\n", *(req->cmd)); - rv = 0; - } - - return (rv <= 0 ? 0 : 1); -} - -/* -** check for a given I/O-request if all underlying blocks -** (with size MAPUNIT) are either in the read-only file or in -** the cowfile (or a combination of the two) -** -** returns: -** ALLRDO - all underlying blocks in rdofile -** ALLCOW - all underlying blocks in cowfile -** MIXEDUP - underlying blocks partly in rdofile and partly in cowfile -*/ -static int -cowlo_checkio(struct cowloop_device *cowdev, int len, loff_t offset) -{ - unsigned long mapnum, bytenum, bitnum, blocknr, partlen; - long int totcnt, cowcnt; - char *mc; - - /* - ** notice that the requested block might cross - ** a blocksize boundary while one of the concerned - ** blocks resides in the read-only file and another - ** one in the copy-on-write file; in that case the - ** request will be broken up into pieces - */ - if ( (len <= MAPUNIT) && - (MAPUNIT - (offset & MUMASK) <= len) ) { - /* - ** easy situation: - ** requested data-block entirely fits within - ** the mapunit used for the bitmap - ** check if that block is located in rdofile or - ** cowfile - */ - blocknr = offset >> MUSHIFT; - - mapnum = CALCMAP (blocknr); - bytenum = CALCBYTE(blocknr); - bitnum = CALCBIT (blocknr); - - if (*(*(cowdev->mapcache+mapnum)+bytenum)&(1<<bitnum)) - return ALLCOW; - else - return ALLRDO; - } - - /* - ** less easy situation: - ** the requested data-block does not fit within the mapunit - ** used for the bitmap - ** check if *all* underlying blocks involved reside on the rdofile - ** or the cowfile (so still no breakup required) - */ - for (cowcnt=totcnt=0; len > 0; len-=partlen, offset+=partlen, totcnt++){ - /* - ** calculate blocknr of involved block - */ - blocknr = offset >> MUSHIFT; - - /* - ** calculate partial length for this transfer - */ - partlen = MAPUNIT - (offset & MUMASK); - if (partlen > len) - partlen = len; - - /* - ** is this block located in the cowfile - */ - mapnum = CALCMAP (blocknr); - bytenum = CALCBYTE(blocknr); - bitnum = CALCBIT (blocknr); - - mc = *(cowdev->mapcache+mapnum); - - if (*(mc+bytenum)&(1<<bitnum)) - cowcnt++;; - - DEBUGP(DCOW - "cowloop - check %lu - map %lu, byte %lu, bit %lu, " - "cowcnt %ld, totcnt %ld %02x %p\n", - blocknr, mapnum, bytenum, bitnum, cowcnt, totcnt, - *(mc+bytenum), mc); - } - - if (cowcnt == 0) /* all involved blocks on rdofile? */ - return ALLRDO; - - if (cowcnt == totcnt) /* all involved blocks on cowfile? */ - return ALLCOW; - - /* - ** situation somewhat more complicated: - ** involved underlying blocks spread over both files - */ - return MIXEDUP; -} - -/* -** read requested chunk partly from rdofile and partly from cowfile -** -** returns: -** 0 - fail -** 1 - success -*/ -static int -cowlo_readmix(struct cowloop_device *cowdev, void *buf, int len, loff_t offset) -{ - unsigned long mapnum, bytenum, bitnum, blocknr, partlen; - long int rv; - char *mc; - - /* - ** complicated approach: breakup required of read-request - */ - for (rv=1; len > 0; len-=partlen, buf+=partlen, offset+=partlen) { - /* - ** calculate blocknr of entire block - */ - blocknr = offset >> MUSHIFT; - - /* - ** calculate partial length for this transfer - */ - partlen = MAPUNIT - (offset & MUMASK); - if (partlen > len) - partlen = len; - - /* - ** is this block located in the cowfile - */ - mapnum = CALCMAP (blocknr); - bytenum = CALCBYTE(blocknr); - bitnum = CALCBIT (blocknr); - mc = *(cowdev->mapcache+mapnum); - - if (*(mc+bytenum)&(1<<bitnum)) { - /* - ** read (partial) block from cowfile - */ - DEBUGP(DCOW"cowloop - split read " - "cow partlen=%ld off=%lld\n", partlen, offset); - - if (cowlo_readcow(cowdev, buf, partlen, offset) <= 0) - rv = 0; - } else { - /* - ** read (partial) block from rdofile - */ - DEBUGP(DCOW"cowloop - split read " - "rdo partlen=%ld off=%lld\n", partlen, offset); - - if (cowlo_readrdo(cowdev, buf, partlen, offset) <= 0) - rv = 0; - } - } - - return rv; -} - -/* -** chunk to be written to the cowfile needs pieces to be -** read from the rdofile -** -** returns: -** 0 - fail -** 1 - success -*/ -static int -cowlo_writemix(struct cowloop_device *cowdev, void *buf, int len, loff_t offset) -{ - unsigned long mapnum, bytenum, bitnum, blocknr, partlen; - long int rv; - char *mc; - - /* - ** somewhat more complicated stuff is required: - ** if the request is larger than one underlying - ** block or is spread over two underlying blocks, - ** split the request into pieces; if a block does not - ** start at a block boundary, take care that - ** surrounding data is read first (if needed), - ** fit the new data in and write it as a full block - */ - for (rv=1; len > 0; len-=partlen, buf+=partlen, offset+=partlen) { - /* - ** calculate partial length for this transfer - */ - partlen = MAPUNIT - (offset & MUMASK); - if (partlen > len) - partlen = len; - - /* - ** calculate blocknr of entire block - */ - blocknr = offset >> MUSHIFT; - - /* - ** has this block been written before? - */ - mapnum = CALCMAP (blocknr); - bytenum = CALCBYTE(blocknr); - bitnum = CALCBIT (blocknr); - mc = *(cowdev->mapcache+mapnum); - - if (*(mc+bytenum)&(1<<bitnum)) { - /* - ** block has been written before; - ** write transparantly to cowfile - */ - DEBUGP(DCOW - "cowloop - splitwr transp\n"); - - if (cowlo_writecow(cowdev, buf, partlen, offset) <= 0) - rv = 0; - } else { - /* - ** block has never been written before, - ** so read entire block from - ** read-only file first, unless - ** a full block is requested to - ** be written - */ - if (partlen < MAPUNIT) { - if (cowlo_readrdo(cowdev, cowdev->iobuf, - MAPUNIT, (loff_t)blocknr << MUSHIFT) <= 0) - rv = 0; - } - - /* - ** transfer modified part into - ** the block just read - */ - memcpy(cowdev->iobuf + (offset & MUMASK), buf, partlen); - - /* - ** write entire block to cowfile - */ - DEBUGP(DCOW"cowloop - split " - "partlen=%ld off=%lld\n", - partlen, (loff_t)blocknr << MUSHIFT); - - if (cowlo_writecow(cowdev, cowdev->iobuf, MAPUNIT, - (loff_t)blocknr << MUSHIFT) <= 0) - rv = 0; - } - } - - return rv; -} - -/*****************************************************************************/ -/* I/O-support for read-only file and copy-on-write file */ -/*****************************************************************************/ - -/* -** read data from the read-only file -** -** return-value: similar to user-mode read -*/ -static long int -cowlo_readrdo(struct cowloop_device *cowdev, void *buf, int len, loff_t offset) -{ - long int rv; - mm_segment_t old_fs; - loff_t saveoffset = offset; - - DEBUGP(DCOW"cowloop - readrdo called\n"); - - old_fs = get_fs(); - set_fs( get_ds() ); - rv = cowdev->rdofp->f_op->read(cowdev->rdofp, buf, len, &offset); - set_fs(old_fs); - - if (rv < len) { - printk(KERN_WARNING "cowloop - read-failure %ld on rdofile" - "- offset=%lld len=%d\n", - rv, saveoffset, len); - } - - cowdev->rdoreads++; - return rv; -} - -/* -** read cowfile from a modified offset, i.e. skipping the bitmap and cowhead -** -** return-value: similar to user-mode read -*/ -static long int -cowlo_readcow(struct cowloop_device *cowdev, void *buf, int len, loff_t offset) -{ - DEBUGP(DCOW"cowloop - readcow called\n"); - - offset += cowdev->cowhead->doffset; - - return cowlo_readcowraw(cowdev, buf, len, offset); -} - -/* -** read cowfile from an absolute offset -** -** return-value: similar to user-mode read -*/ -static long int -cowlo_readcowraw(struct cowloop_device *cowdev, - void *buf, int len, loff_t offset) -{ - long int rv; - mm_segment_t old_fs; - loff_t saveoffset = offset; - - DEBUGP(DCOW"cowloop - readcowraw called\n"); - - /* - ** be sure that cowfile is opened for read-write - */ - if ( !(cowdev->state & COWCOWOPEN) ) { - printk(KERN_WARNING - "cowloop - read request from cowfile refused\n"); - - return -EBADF; - } - - /* - ** issue low level read - */ - old_fs = get_fs(); - set_fs( get_ds() ); - rv = cowdev->cowfp->f_op->read(cowdev->cowfp, buf, len, &offset); - set_fs(old_fs); - - if (rv < len) { - printk(KERN_WARNING - "cowloop - read-failure %ld on cowfile" - "- offset=%lld len=%d\n", rv, saveoffset, len); - } - - cowdev->cowreads++; - return rv; -} - -/* -** write cowfile from a modified offset, i.e. skipping the bitmap and cowhead -** -** if a block is written for the first time while its contents consists -** of binary zeroes only, the concerning bitmap is flushed to the cowfile -** -** return-value: similar to user-mode write -*/ -static long int -cowlo_writecow(struct cowloop_device *cowdev, void *buf, int len, loff_t offset) -{ - long int rv; - unsigned long mapnum=0, mapbyte=0, mapbit=0, cowblock=0, partlen; - char *tmpptr, *mapptr = NULL; - loff_t tmpoffset, mapoffset = 0; - - DEBUGP(DCOW"cowloop - writecow called\n"); - - /* - ** be sure that cowfile is opened for read-write - */ - if ( !(cowdev->state & COWRWCOWOPEN) ) { - printk(KERN_WARNING - "cowloop - Write request to cowfile refused\n"); - - return -EBADF; - } - - /* - ** write the entire block to the cowfile - */ - tmpoffset = offset + cowdev->cowhead->doffset; - - rv = cowlo_writecowraw(cowdev, buf, len, tmpoffset); - - /* - ** verify if enough space available on filesystem holding - ** the cowfile - ** - when the last write failed (might be caused by lack of space) - ** - when a watcher is active (to react adequatly) - ** - when the previous check indicated fs was almost full - ** - with regular intervals - */ - if ( (rv <= 0) || - (cowdev->state & COWWATCHDOG) || - (cowdev->blkavail / 2 < SPCDFLINTVL) || - (cowdev->cowwrites % SPCDFLINTVL == 0) ) { - struct kstatfs ks; - - if (vfs_statfs(cowdev->cowfp->f_dentry, &ks)==0){ - if (ks.f_bavail <= SPCMINBLK) { - switch (ks.f_bavail) { - case 0: - case 1: - case 2: - case 3: - printk(KERN_ALERT - "cowloop - " - "ALERT: cowfile full!\n"); - break; - - default: - printk(KERN_WARNING - "cowloop - cowfile almost " - "full (only %llu Kb free)\n", - (unsigned long long) - ks.f_bsize * ks.f_bavail /1024); - } - } - - cowdev->blktotal = ks.f_blocks; - cowdev->blkavail = ks.f_bavail; - - /* - ** wakeup watcher if threshold has been reached - */ - if ( (cowdev->state & COWWATCHDOG) && - (cowdev->watchthresh >= cowdev->blkavail) ) { - wake_up_interruptible(&cowdev->watchq); - } - } - } - - if (rv <= 0) - return rv; - - DEBUGP(DCOW"cowloop - block written\n"); - - /* - ** check if block(s) is/are written to the cowfile - ** for the first time; if so, adapt the bitmap - */ - for (; len > 0; len-=partlen, offset+=partlen, buf+=partlen) { - /* - ** calculate partial length for this transfer - */ - partlen = MAPUNIT - (offset & MUMASK); - if (partlen > len) - partlen = len; - - /* - ** calculate bitnr of written chunk of cowblock - */ - cowblock = offset >> MUSHIFT; - - mapnum = CALCMAP (cowblock); - mapbyte = CALCBYTE(cowblock); - mapbit = CALCBIT (cowblock); - - if (*(*(cowdev->mapcache+mapnum)+mapbyte) & (1<<mapbit)) - continue; /* already written before */ - - /* - ** if the block is written for the first time, - ** the corresponding bit should be set in the bitmap - */ - *(*(cowdev->mapcache+mapnum)+mapbyte) |= (1<<mapbit); - - cowdev->nrcowblocks++; - - DEBUGP(DCOW"cowloop - bitupdate blk=%ld map=%ld " - "byte=%ld bit=%ld\n", - cowblock, mapnum, mapbyte, mapbit); - - /* - ** check if the cowhead in the cowfile is currently - ** marked clean; if so, mark it dirty and flush it - */ - if ( !(cowdev->cowhead->flags &= COWDIRTY)) { - cowdev->cowhead->flags |= COWDIRTY; - - cowlo_writecowraw(cowdev, cowdev->cowhead, - MAPUNIT, (loff_t)0); - } - - /* - ** if the written datablock contained binary zeroes, - ** the bitmap block should be marked to be flushed to disk - ** (blocks containing all zeroes cannot be recovered by - ** the cowrepair-program later on if cowloop is not properly - ** removed via rmmod) - */ - if ( memcmp(buf, allzeroes, partlen) ) /* not all zeroes? */ - continue; /* no flush needed */ - - /* - ** calculate positions of bitmap block to be flushed - ** - pointer of bitmap block in memory - ** - offset of bitmap block in cowfile - */ - tmpptr = *(cowdev->mapcache+mapnum) + (mapbyte & (~MUMASK)); - tmpoffset = (loff_t) MAPUNIT + mapnum * MAPCHUNKSZ + - (mapbyte & (~MUMASK)); - - /* - ** flush a bitmap block at the moment that all bits have - ** been set in that block, i.e. at the moment that we - ** switch to another bitmap block - */ - if ( (mapoffset != 0) && (mapoffset != tmpoffset) ) { - if (cowlo_writecowraw(cowdev, mapptr, MAPUNIT, - mapoffset) < 0) { - printk(KERN_WARNING - "cowloop - write-failure on bitmap - " - "blk=%ld map=%ld byte=%ld bit=%ld\n", - cowblock, mapnum, mapbyte, mapbit); - } - - DEBUGP(DCOW"cowloop - bitmap blk written %lld\n", - mapoffset); - } - - /* - ** remember offset in cowfile and offset in memory - ** for bitmap to be flushed; flushing will be done - ** as soon as all updates in this bitmap block have - ** been done - */ - mapoffset = tmpoffset; - mapptr = tmpptr; - } - - /* - ** any new block written containing binary zeroes? - */ - if (mapoffset) { - if (cowlo_writecowraw(cowdev, mapptr, MAPUNIT, mapoffset) < 0) { - printk(KERN_WARNING - "cowloop - write-failure on bitmap - " - "blk=%ld map=%ld byte=%ld bit=%ld\n", - cowblock, mapnum, mapbyte, mapbit); - } - - DEBUGP(DCOW"cowloop - bitmap block written %lld\n", mapoffset); - } - - return rv; -} - -/* -** write cowfile from an absolute offset -** -** return-value: similar to user-mode write -*/ -static long int -cowlo_writecowraw(struct cowloop_device *cowdev, - void *buf, int len, loff_t offset) -{ - long int rv; - mm_segment_t old_fs; - loff_t saveoffset = offset; - - DEBUGP(DCOW"cowloop - writecowraw called\n"); - - /* - ** be sure that cowfile is opened for read-write - */ - if ( !(cowdev->state & COWRWCOWOPEN) ) { - printk(KERN_WARNING - "cowloop - write request to cowfile refused\n"); - - return -EBADF; - } - - /* - ** issue low level write - */ - old_fs = get_fs(); - set_fs( get_ds() ); - rv = cowdev->cowfp->f_op->write(cowdev->cowfp, buf, len, &offset); - set_fs(old_fs); - - if (rv < len) { - printk(KERN_WARNING - "cowloop - write-failure %ld on cowfile" - "- offset=%lld len=%d\n", rv, saveoffset, len); - } - - cowdev->cowwrites++; - return rv; -} - - -/* -** readproc-function: called when the corresponding /proc-file is read -*/ -static int -cowlo_readproc(char *buf, char **start, off_t pos, int cnt, int *eof, void *p) -{ - struct cowloop_device *cowdev = p; - - revision[sizeof revision - 3] = '\0'; - - return sprintf(buf, - " cowloop version: %9s\n\n" - " device state: %s%s%s%s\n" - " number of opens: %9d\n" - " pid of thread: %9d\n\n" - " read-only file: %9s\n" - " rdoreads: %9lu\n\n" - "copy-on-write file: %9s\n" - " state cowfile: %9s\n" - " bitmap-blocks: %9lu (of %d bytes)\n" - " cowblocks in use: %9lu (of %d bytes)\n" - " cowreads: %9lu\n" - " cowwrites: %9lu\n", - &revision[11], - - cowdev->state & COWDEVOPEN ? "devopen " : "", - cowdev->state & COWRWCOWOPEN ? "cowopenrw " : "", - cowdev->state & COWRDCOWOPEN ? "cowopenro " : "", - cowdev->state & COWWATCHDOG ? "watchdog " : "", - - cowdev->opencnt, - cowdev->pid, - cowdev->rdoname, - cowdev->rdoreads, - cowdev->cowname, - cowdev->cowhead->flags & COWDIRTY ? "dirty":"clean", - cowdev->mapsize >> MUSHIFT, MAPUNIT, - cowdev->nrcowblocks, MAPUNIT, - cowdev->cowreads, - cowdev->cowwrites); -} - -/*****************************************************************************/ -/* Setup and destroy cowdevices */ -/*****************************************************************************/ - -/* -** open and prepare a cowdevice (rdofile and cowfile) and allocate bitmaps -** -** returns: -** 0 - okay -** < 0 - error value -*/ -static int -cowlo_openpair(char *rdof, char *cowf, int autorecover, int minor) -{ - long int rv; - struct cowloop_device *cowdev = cowdevall[minor]; - struct kstatfs ks; - - down(&cowdevlock); - - /* - ** requested device exists? - */ - if (minor >= maxcows) { - up(&cowdevlock); - return -ENODEV; - } - - /* - ** requested device already assigned to cowdevice? - */ - if (cowdev->state & COWDEVOPEN) { - up(&cowdevlock); - return -EBUSY; - } - - /* - ** initialize administration - */ - memset(cowdev, 0, sizeof *cowdev); - - spin_lock_init (&cowdev->rqlock); - init_waitqueue_head(&cowdev->waitq); - init_waitqueue_head(&cowdev->watchq); - - /* - ** open the read-only file - */ - DEBUGP(DCOW"cowloop - call openrdo....\n"); - - if ( (rv = cowlo_openrdo(cowdev, rdof)) ) { - cowlo_undo_openrdo(cowdev); - up(&cowdevlock); - return rv; - } - - /* - ** open the cowfile - */ - DEBUGP(DCOW"cowloop - call opencow....\n"); - - if ( (rv = cowlo_opencow(cowdev, cowf, autorecover)) ) { - cowlo_undo_openrdo(cowdev); - cowlo_undo_opencow(cowdev); - up(&cowdevlock); - return rv; - } - - /* - ** administer total and available size of filesystem holding cowfile - */ - if (vfs_statfs(cowdev->cowfp->f_dentry, &ks)==0) { - cowdev->blksize = ks.f_bsize; - cowdev->blktotal = ks.f_blocks; - cowdev->blkavail = ks.f_bavail; - } else { - cowdev->blksize = 1024; /* avoid division by zero */ - } - - /* - ** flush the (recovered) bitmaps and cowhead to the cowfile - */ - DEBUGP(DCOW"cowloop - call cowsync....\n"); - - cowlo_sync(); - - /* - ** allocate gendisk for the cow device - */ - DEBUGP(DCOW"cowloop - alloc disk....\n"); - - if ((cowdev->gd = alloc_disk(1)) == NULL) { - printk(KERN_WARNING - "cowloop - unable to alloc_disk for cowloop\n"); - - cowlo_undo_openrdo(cowdev); - cowlo_undo_opencow(cowdev); - up(&cowdevlock); - return -ENOMEM; - } - - cowdev->gd->major = COWMAJOR; - cowdev->gd->first_minor = minor; - cowdev->gd->minors = 1; - cowdev->gd->fops = &cowlo_fops; - cowdev->gd->private_data = cowdev; - sprintf(cowdev->gd->disk_name, "%s%d", DEVICE_NAME, minor); - - /* in .5 Kb units */ - set_capacity(cowdev->gd, (cowdev->numblocks*(MAPUNIT/512))); - - DEBUGP(DCOW"cowloop - init request queue....\n"); - - if ((cowdev->rqueue = blk_init_queue(cowlo_request, &cowdev->rqlock)) - == NULL) { - printk(KERN_WARNING - "cowloop - unable to get request queue for cowloop\n"); - - del_gendisk(cowdev->gd); - cowlo_undo_openrdo(cowdev); - cowlo_undo_opencow(cowdev); - up(&cowdevlock); - return -EINVAL; - } - - blk_queue_logical_block_size(cowdev->rqueue, cowdev->blocksz); - cowdev->gd->queue = cowdev->rqueue; - - /* - ** start kernel thread to handle requests - */ - DEBUGP(DCOW"cowloop - kickoff daemon....\n"); - - cowdev->pid = kernel_thread((int (*)(void *))cowlo_daemon, cowdev, 0); - - /* - ** create a file below directory /proc/cow for this new cowdevice - */ - if (cowlo_procdir) { - char tmpname[64]; - - sprintf(tmpname, "%d", minor); - - create_proc_read_entry(tmpname, 0 , cowlo_procdir, - cowlo_readproc, cowdev); - } - - cowdev->state |= COWDEVOPEN; - - cowdev->rdoname = rdof; - cowdev->cowname = cowf; - - /* - ** enable the new disk; this triggers the first request! - */ - DEBUGP(DCOW"cowloop - call add_disk....\n"); - - add_disk(cowdev->gd); - - up(&cowdevlock); - return 0; -} - -/* -** close a cowdevice (pair of rdofile/cowfile) and release memory -** -** returns: -** 0 - okay -** < 0 - error value -*/ -static int -cowlo_closepair(struct cowloop_device *cowdev) -{ - int minor; - - down(&cowdevlock); - - /* - ** if cowdevice is not activated at all, refuse - */ - if ( !(cowdev->state & COWDEVOPEN) ) { - up(&cowdevlock); - return -ENODEV; - } - - /* - ** if this cowdevice is still open, refuse - */ - if (cowdev->opencnt > 0) { - up(&cowdevlock); - return -EBUSY; - } - - up(&cowdevlock); - - /* - ** wakeup watcher (if any) - */ - if (cowdev->state & COWWATCHDOG) { - cowdev->watchthresh = cowdev->blkavail; - wake_up_interruptible(&cowdev->watchq); - } - - /* - ** wakeup kernel-thread to be able to exit - ** and wait until it has exited - */ - cowdev->closedown = 1; - cowdev->qfilled = 1; - wake_up_interruptible(&cowdev->waitq); - - while (cowdev->pid) - schedule(); - - del_gendisk(cowdev->gd); /* revert the alloc_disk() */ - put_disk(cowdev->gd); /* revert the add_disk() */ - - if (cowlo_procdir) { - char tmpname[64]; - - for (minor = 0; minor < maxcows; minor++) { - if (cowdev == cowdevall[minor]) break; - } - sprintf(tmpname, "%d", minor); - - remove_proc_entry(tmpname, cowlo_procdir); - } - - blk_cleanup_queue(cowdev->rqueue); - - /* - ** release memory for filenames if these names have - ** been allocated dynamically - */ - if ( (cowdev->cowname) && (cowdev->cowname != cowfile)) - kfree(cowdev->cowname); - - if ( (cowdev->rdoname) && (cowdev->rdoname != rdofile)) - kfree(cowdev->rdoname); - - cowlo_undo_openrdo(cowdev); - cowlo_undo_opencow(cowdev); - - cowdev->state &= ~COWDEVOPEN; - - return 0; -} - -/* -** open the read-only file -** -** returns: -** 0 - okay -** < 0 - error value -*/ -static int -cowlo_openrdo(struct cowloop_device *cowdev, char *rdof) -{ - struct file *f; - struct inode *inode; - long int i, nrval; - - DEBUGP(DCOW"cowloop - openrdo called\n"); - - /* - ** open the read-only file - */ - if(*rdof == '\0') { - printk(KERN_ERR - "cowloop - specify name for read-only file\n\n"); - return -EINVAL; - } - - f = filp_open(rdof, O_RDONLY|O_LARGEFILE, 0); - - if ( (f == NULL) || IS_ERR(f) ) { - printk(KERN_ERR - "cowloop - open of rdofile %s failed\n", rdof); - return -EINVAL; - } - - cowdev->rdofp = f; - - inode = f->f_dentry->d_inode; - - if ( !S_ISREG(inode->i_mode) && !S_ISBLK(inode->i_mode) ) { - printk(KERN_ERR - "cowloop - %s not regular file or blockdev\n", rdof); - return -EINVAL; - } - - DEBUGP(DCOW"cowloop - determine size rdo....\n"); - - /* - ** determine block-size and total size of read-only file - */ - if (S_ISREG(inode->i_mode)) { - /* - ** read-only file is a regular file - */ - cowdev->blocksz = 512; /* other value fails */ - cowdev->numblocks = inode->i_size >> MUSHIFT; - - if (inode->i_size & MUMASK) { - printk(KERN_WARNING - "cowloop - rdofile %s truncated to multiple " - "of %d bytes\n", rdof, MAPUNIT); - } - - DEBUGP(DCOW"cowloop - RO=regular: numblocks=%d, blocksz=%d\n", - cowdev->numblocks, cowdev->blocksz); - } else { - /* - ** read-only file is a block device - */ - cowdev->belowdev = inode->i_bdev; - cowdev->belowgd = cowdev->belowdev->bd_disk; /* gendisk */ - - if (cowdev->belowdev->bd_part) { - cowdev->numblocks = cowdev->belowdev->bd_part->nr_sects - / (MAPUNIT/512); - } - - if (cowdev->belowgd) { - cowdev->belowq = cowdev->belowgd->queue; - - if (cowdev->numblocks == 0) { - cowdev->numblocks = get_capacity(cowdev->belowgd) - / (MAPUNIT/512); - } - } - - - if (cowdev->belowq) - cowdev->blocksz = queue_logical_block_size(cowdev->belowq); - - if (cowdev->blocksz == 0) - cowdev->blocksz = BLOCK_SIZE; /* default 2^10 */ - - DEBUGP(DCOW"cowloop - numblocks=%d, " - "blocksz=%d, belowgd=%p, belowq=%p\n", - cowdev->numblocks, cowdev->blocksz, - cowdev->belowgd, cowdev->belowq); - - DEBUGP(DCOW"cowloop - belowdev.bd_block_size=%d\n", - cowdev->belowdev->bd_block_size); - } - - if (cowdev->numblocks == 0) { - printk(KERN_ERR "cowloop - %s has no contents\n", rdof); - return -EINVAL; - } - - /* - ** reserve space in memory as generic I/O buffer - */ - cowdev->iobuf = kmalloc(MAPUNIT, GFP_KERNEL); - - if (!cowdev->iobuf) { - printk(KERN_ERR - "cowloop - cannot get space for buffer %d\n", MAPUNIT); - return -ENOMEM; - } - - DEBUGP(DCOW"cowloop - determine fingerprint rdo....\n"); - - /* - ** determine fingerprint for read-only file - ** calculate fingerprint from first four datablocks - ** which do not contain binary zeroes - */ - for (i=0, cowdev->fingerprint=0, nrval=0; - (nrval < 4)&&(i < cowdev->numblocks); i++) { - int j; - unsigned char cs; - - /* - ** read next block - */ - if (cowlo_readrdo(cowdev, cowdev->iobuf, MAPUNIT, - (loff_t)i << MUSHIFT) < 1) - break; - - /* - ** calculate fingerprint by adding all byte-values - */ - for (j=0, cs=0; j < MAPUNIT; j++) - cs += *(cowdev->iobuf+j); - - if (cs == 0) /* block probably contained zeroes */ - continue; - - /* - ** shift byte-value to proper place in final fingerprint - */ - cowdev->fingerprint |= cs << (nrval*8); - nrval++; - } - - return 0; -} - -/* -** undo memory allocs and file opens issued so far -** related to the read-only file -*/ -static void -cowlo_undo_openrdo(struct cowloop_device *cowdev) -{ - if(cowdev->iobuf); - kfree(cowdev->iobuf); - - if (cowdev->rdofp) - filp_close(cowdev->rdofp, 0); -} - -/* -** open the cowfile -** -** returns: -** 0 - okay -** < 0 - error value -*/ -static int -cowlo_opencow(struct cowloop_device *cowdev, char *cowf, int autorecover) -{ - long int i, rv; - int minor; - unsigned long nb; - struct file *f; - struct inode *inode; - loff_t offset; - struct cowloop_device *cowtmp; - - DEBUGP(DCOW"cowloop - opencow called\n"); - - /* - ** open copy-on-write file (read-write) - */ - if (cowf[0] == '\0') { - printk(KERN_ERR - "cowloop - specify name of copy-on-write file\n\n"); - return -EINVAL; - } - - f = filp_open(cowf, O_RDWR|O_LARGEFILE, 0600); - - if ( (f == NULL) || IS_ERR(f) ) { - /* - ** non-existing cowfile: try to create - */ - f = filp_open(cowf, O_RDWR|O_CREAT|O_LARGEFILE, 0600); - - if ( (f == NULL) || IS_ERR(f) ) { - printk(KERN_ERR - "cowloop - failed to open file %s for read-write\n\n", - cowf); - return -EINVAL; - } - } - - cowdev->cowfp = f; - - inode = f->f_dentry->d_inode; - - if (!S_ISREG(inode->i_mode)) { - printk(KERN_ERR "cowloop - %s is not regular file\n", cowf); - return -EINVAL; - } - - /* - ** check if this cowfile is already in use for another cowdevice - */ - for (minor = 0; minor < maxcows; minor++) { - - cowtmp = cowdevall[minor]; - - if ( !(cowtmp->state & COWDEVOPEN) ) - continue; - - if (cowtmp == cowdev) - continue; - - if (cowtmp->cowfp->f_dentry->d_inode == f->f_dentry->d_inode) { - printk(KERN_ERR - "cowloop - %s: already in use as cow\n", cowf); - return -EBUSY; - } - } - - /* - ** mark cowfile open for read-write - */ - cowdev->state |= COWRWCOWOPEN; - - /* - ** calculate size (in bytes) for total bitmap in cowfile; - ** when the size of the cowhead block is added, the start-offset - ** for the modified data blocks can be found - */ - nb = cowdev->numblocks; - - if (nb%8) /* transform #bits to #bytes */ - nb+=8; /* rounded if necessary */ - nb /= 8; - - if (nb & MUMASK) /* round up #bytes to MAPUNIT chunks */ - cowdev->mapsize = ( (nb>>MUSHIFT) +1) << MUSHIFT; - else - cowdev->mapsize = nb; - - /* - ** reserve space in memory for the cowhead - */ - cowdev->cowhead = kmalloc(MAPUNIT, GFP_KERNEL); - - if (!cowdev->cowhead) { - printk(KERN_ERR "cowloop - cannot get space for cowhead %d\n", - MAPUNIT); - return -ENOMEM; - } - - memset(cowdev->cowhead, 0, MAPUNIT); - - DEBUGP(DCOW"cowloop - prepare cowhead....\n"); - - /* - ** check if the cowfile exists or should be created - */ - if (inode->i_size != 0) { - /* - ** existing cowfile: read the cow head - */ - if (inode->i_size < MAPUNIT) { - printk(KERN_ERR - "cowloop - existing cowfile %s too small\n", - cowf); - return -EINVAL; - } - - cowlo_readcowraw(cowdev, cowdev->cowhead, MAPUNIT, (loff_t) 0); - - /* - ** verify if the existing file is really a cowfile - */ - if (cowdev->cowhead->magic != COWMAGIC) { - printk(KERN_ERR - "cowloop - cowfile %s has incorrect format\n", - cowf); - return -EINVAL; - } - - /* - ** verify the cowhead version of the cowfile - */ - if (cowdev->cowhead->version > COWVERSION) { - printk(KERN_ERR - "cowloop - cowfile %s newer than this driver\n", - cowf); - return -EINVAL; - } - - /* - ** make sure that this is not a packed cowfile - */ - if (cowdev->cowhead->flags & COWPACKED) { - printk(KERN_ERR - "cowloop - packed cowfile %s not accepted\n", cowf); - return -EINVAL; - } - - /* - ** verify if the cowfile has been properly closed - */ - if (cowdev->cowhead->flags & COWDIRTY) { - /* - ** cowfile was not properly closed; - ** check if automatic recovery is required - ** (actual recovery will be done later on) - */ - if (!autorecover) { - printk(KERN_ERR - "cowloop - cowfile %s is dirty " - "(not properly closed by rmmod?)\n", - cowf); - printk(KERN_ERR - "cowloop - run cowrepair or specify " - "'option=r' to recover\n"); - return -EINVAL; - } - } - - /* - ** verify if the cowfile is really related to this rdofile - */ - if (cowdev->cowhead->rdoblocks != cowdev->numblocks) { - printk(KERN_ERR - "cowloop - cowfile %s (size %lld) not related " - "to rdofile (size %lld)\n", - cowf, - (long long)cowdev->cowhead->rdoblocks <<MUSHIFT, - (long long)cowdev->numblocks <<MUSHIFT); - return -EINVAL; - } - - if (cowdev->cowhead->rdofingerprint != cowdev->fingerprint) { - printk(KERN_ERR - "cowloop - cowfile %s not related to rdofile " - " (fingerprint err - rdofile modified?)\n", cowf); - return -EINVAL; - } - } else { - /* - ** new cowfile: determine the minimal size (cowhead+bitmap) - */ - offset = (loff_t) MAPUNIT + cowdev->mapsize - 1; - - if ( cowlo_writecowraw(cowdev, "", 1, offset) < 1) { - printk(KERN_ERR - "cowloop - cannot set cowfile to size %lld\n", - offset+1); - return -EINVAL; - } - - /* - ** prepare new cowhead - */ - cowdev->cowhead->magic = COWMAGIC; - cowdev->cowhead->version = COWVERSION; - cowdev->cowhead->mapunit = MAPUNIT; - cowdev->cowhead->mapsize = cowdev->mapsize; - cowdev->cowhead->rdoblocks = cowdev->numblocks; - cowdev->cowhead->rdofingerprint = cowdev->fingerprint; - cowdev->cowhead->cowused = 0; - - /* - ** calculate start offset of data in cowfile, - ** rounded up to multiple of 4K to avoid - ** unnecessary disk-usage for written datablocks in - ** the sparsed cowfile on e.g. 4K filesystems - */ - cowdev->cowhead->doffset = - ((MAPUNIT+cowdev->mapsize+4095)>>12)<<12; - } - - cowdev->cowhead->flags = 0; - - DEBUGP(DCOW"cowloop - reserve space bitmap....\n"); - - /* - ** reserve space in memory for the entire bitmap and - ** fill it with the bitmap-data from disk; the entire - ** bitmap is allocated in several chunks because kmalloc - ** has restrictions regarding the allowed size per kmalloc - */ - cowdev->mapcount = (cowdev->mapsize+MAPCHUNKSZ-1)/MAPCHUNKSZ; - - /* - ** the size of every bitmap chunk will be MAPCHUNKSZ bytes, except for - ** the last bitmap chunk: calculate remaining size for this chunk - */ - if (cowdev->mapsize % MAPCHUNKSZ == 0) - cowdev->mapremain = MAPCHUNKSZ; - else - cowdev->mapremain = cowdev->mapsize % MAPCHUNKSZ; - - /* - ** allocate space to store all pointers for the bitmap-chunks - ** (initialize area with zeroes to allow proper undo) - */ - cowdev->mapcache = kmalloc(cowdev->mapcount * sizeof(char *), - GFP_KERNEL); - if (!cowdev->mapcache) { - printk(KERN_ERR - "cowloop - can not allocate space for bitmap ptrs\n"); - return -ENOMEM; - } - - memset(cowdev->mapcache, 0, cowdev->mapcount * sizeof(char *)); - - /* - ** allocate space to store the bitmap-chunks themselves - */ - for (i=0; i < cowdev->mapcount; i++) { - if (i < (cowdev->mapcount-1)) - *(cowdev->mapcache+i) = kmalloc(MAPCHUNKSZ, GFP_KERNEL); - else - *(cowdev->mapcache+i) = kmalloc(cowdev->mapremain, - GFP_KERNEL); - - if (*(cowdev->mapcache+i) == NULL) { - printk(KERN_ERR "cowloop - no space for bitmapchunk %ld" - " totmapsz=%ld, mapcnt=%d mapunit=%d\n", - i, cowdev->mapsize, cowdev->mapcount, - MAPUNIT); - return -ENOMEM; - } - } - - DEBUGP(DCOW"cowloop - read bitmap from cow....\n"); - - /* - ** read the entire bitmap from the cowfile into the in-memory cache; - ** count the number of blocks that are in use already - ** (statistical purposes) - */ - for (i=0, offset=MAPUNIT; i < cowdev->mapcount; - i++, offset+=MAPCHUNKSZ) { - unsigned long numbytes; - - if (i < (cowdev->mapcount-1)) - /* - ** full bitmap chunk - */ - numbytes = MAPCHUNKSZ; - else - /* - ** last bitmap chunk: might be partly filled - */ - numbytes = cowdev->mapremain; - - cowlo_readcowraw(cowdev, *(cowdev->mapcache+i), - numbytes, offset); - } - - /* - ** if the cowfile was dirty and automatic recovery is required, - ** reconstruct a proper bitmap in memory now - */ - if (cowdev->cowhead->flags & COWDIRTY) { - unsigned long long blocknum; - char databuf[MAPUNIT]; - unsigned long mapnum, mapbyte, mapbit; - - printk(KERN_NOTICE "cowloop - recover dirty cowfile %s....\n", - cowf); - - /* - ** read all data blocks - */ - for (blocknum=0, rv=1, offset=0; - cowlo_readcow(cowdev, databuf, MAPUNIT, offset) > 0; - blocknum++, offset += MAPUNIT) { - - /* - ** if this datablock contains real data (not binary - ** zeroes), set the corresponding bit in the bitmap - */ - if ( memcmp(databuf, allzeroes, MAPUNIT) == 0) - continue; - - mapnum = CALCMAP (blocknum); - mapbyte = CALCBYTE(blocknum); - mapbit = CALCBIT (blocknum); - - *(*(cowdev->mapcache+mapnum)+mapbyte) |= (1<<mapbit); - } - - printk(KERN_NOTICE "cowloop - cowfile recovery completed\n"); - } - - /* - ** count all bits set in the bitmaps for statistical purposes - */ - for (i=0, cowdev->nrcowblocks = 0; i < cowdev->mapcount; i++) { - long numbytes; - char *p; - - if (i < (cowdev->mapcount-1)) - numbytes = MAPCHUNKSZ; - else - numbytes = cowdev->mapremain; - - p = *(cowdev->mapcache+i); - - for (numbytes--; numbytes >= 0; numbytes--, p++) { - /* - ** for only eight checks the following construction - ** is faster than a loop-construction - */ - if ((*p) & 0x01) cowdev->nrcowblocks++; - if ((*p) & 0x02) cowdev->nrcowblocks++; - if ((*p) & 0x04) cowdev->nrcowblocks++; - if ((*p) & 0x08) cowdev->nrcowblocks++; - if ((*p) & 0x10) cowdev->nrcowblocks++; - if ((*p) & 0x20) cowdev->nrcowblocks++; - if ((*p) & 0x40) cowdev->nrcowblocks++; - if ((*p) & 0x80) cowdev->nrcowblocks++; - } - } - - /* - ** consistency-check for number of bits set in bitmap - */ - if ( !(cowdev->cowhead->flags & COWDIRTY) && - (cowdev->cowhead->cowused != cowdev->nrcowblocks) ) { - printk(KERN_ERR "cowloop - inconsistent cowfile admi\n"); - return -EINVAL; - } - - return 0; -} - -/* -** undo memory allocs and file opens issued so far -** related to the cowfile -*/ -static void -cowlo_undo_opencow(struct cowloop_device *cowdev) -{ - int i; - - if (cowdev->mapcache) { - for (i=0; i < cowdev->mapcount; i++) { - if (*(cowdev->mapcache+i) != NULL) - kfree( *(cowdev->mapcache+i) ); - } - - kfree(cowdev->mapcache); - } - - if (cowdev->cowhead) - kfree(cowdev->cowhead); - - if ( (cowdev->state & COWCOWOPEN) && (cowdev->cowfp) ) - filp_close(cowdev->cowfp, 0); - - /* - ** mark cowfile closed - */ - cowdev->state &= ~COWCOWOPEN; -} - -/* -** flush the entire bitmap and the cowhead (clean) to the cowfile -** -** must be called with the cowdevices-lock set -*/ -static void -cowlo_sync(void) -{ - int i, minor; - loff_t offset; - struct cowloop_device *cowdev; - - for (minor=0; minor < maxcows; minor++) { - cowdev = cowdevall[minor]; - if ( ! (cowdev->state & COWRWCOWOPEN) ) - continue; - - for (i=0, offset=MAPUNIT; i < cowdev->mapcount; - i++, offset += MAPCHUNKSZ) { - unsigned long numbytes; - - if (i < (cowdev->mapcount-1)) - /* - ** full bitmap chunk - */ - numbytes = MAPCHUNKSZ; - else - /* - ** last bitmap chunk: might be partly filled - */ - numbytes = cowdev->mapremain; - - DEBUGP(DCOW - "cowloop - flushing bitmap %2d (%3ld Kb)\n", - i, numbytes/1024); - - if (cowlo_writecowraw(cowdev, *(cowdev->mapcache+i), - numbytes, offset) < numbytes) { - break; - } - } - - /* - ** flush clean up-to-date cowhead to cowfile - */ - cowdev->cowhead->cowused = cowdev->nrcowblocks; - cowdev->cowhead->flags &= ~COWDIRTY; - - DEBUGP(DCOW "cowloop - flushing cowhead (%3d Kb)\n", - MAPUNIT/1024); - - cowlo_writecowraw(cowdev, cowdev->cowhead, MAPUNIT, (loff_t) 0); - } -} - -/*****************************************************************************/ -/* Module loading/unloading */ -/*****************************************************************************/ - -/* -** called during insmod/modprobe -*/ -static int __init -cowlo_init_module(void) -{ - int rv; - int minor, uptocows; - - revision[sizeof revision - 3] = '\0'; - - printk(KERN_NOTICE "cowloop - (C) 2009 ATComputing.nl - version: %s\n", &revision[11]); - printk(KERN_NOTICE "cowloop - info: www.ATComputing.nl/cowloop\n"); - - memset(allzeroes, 0, MAPUNIT); - - /* - ** Setup administration for all possible cowdevices. - ** Note that their minor numbers go from 0 to MAXCOWS-1 inclusive - ** and minor == MAXCOWS-1 is reserved for the control device. - */ - if ((maxcows < 1) || (maxcows > MAXCOWS)) { - printk(KERN_WARNING - "cowloop - maxcows exceeds maximum of %d\n", MAXCOWS); - - maxcows = DFLCOWS; - } - - /* allocate room for a table with a pointer to each cowloop_device: */ - if ( (cowdevall = kmalloc(maxcows * sizeof(struct cowloop_device *), - GFP_KERNEL)) == NULL) { - printk(KERN_WARNING - "cowloop - can not alloc table for %d devs\n", maxcows); - uptocows = 0; - rv = -ENOMEM; - goto error_out; - } - memset(cowdevall, 0, maxcows * sizeof(struct cowloop_device *)); - /* then hook an actual cowloop_device struct to each pointer: */ - for (minor=0; minor < maxcows; minor++) { - if ((cowdevall[minor] = kmalloc(sizeof(struct cowloop_device), - GFP_KERNEL)) == NULL) { - printk(KERN_WARNING - "cowloop - can not alloc admin-struct for dev no %d\n", minor); - - uptocows = minor; /* this is how far we got.... */ - rv = -ENOMEM; - goto error_out; - } - memset(cowdevall[minor], 0, sizeof(struct cowloop_device)); - } - uptocows = maxcows; /* we got all devices */ - - sema_init(&cowdevlock, 1); - - /* - ** register cowloop module - */ - if ( register_blkdev(COWMAJOR, DEVICE_NAME) < 0) { - printk(KERN_WARNING - "cowloop - unable to get major %d for cowloop\n", COWMAJOR); - rv = -EIO; - goto error_out; - } - - /* - ** create a directory below /proc to allocate a file - ** for each cowdevice that is allocated later on - */ - cowlo_procdir = proc_mkdir("cow", NULL); - - /* - ** check if a cowdevice has to be opened during insmod/modprobe; - ** two parameters should be specified then: rdofile= and cowfile= - */ - if( (rdofile[0] != '\0') && (cowfile[0] != '\0') ) { - char *po = option; - int wantrecover = 0; - - /* - ** check if automatic recovery is wanted - */ - while (*po) { - if (*po == 'r') { - wantrecover = 1; - break; - } - po++; - } - - /* - ** open new cowdevice with minor number 0 - */ - if ( (rv = cowlo_openpair(rdofile, cowfile, wantrecover, 0))) { - remove_proc_entry("cow", NULL); - unregister_blkdev(COWMAJOR, DEVICE_NAME); - goto error_out; - } - } else { - /* - ** check if only one parameter has been specified - */ - if( (rdofile[0] != '\0') || (cowfile[0] != '\0') ) { - printk(KERN_ERR - "cowloop - only one filename specified\n"); - remove_proc_entry("cow", NULL); - unregister_blkdev(COWMAJOR, DEVICE_NAME); - rv = -EINVAL; - goto error_out; - } - } - - /* - ** allocate fake disk as control channel to handle the requests - ** to activate and deactivate cowdevices dynamically - */ - if (!(cowctlgd = alloc_disk(1))) { - printk(KERN_WARNING - "cowloop - unable to alloc_disk for cowctl\n"); - - remove_proc_entry("cow", NULL); - (void) cowlo_closepair(cowdevall[0]); - unregister_blkdev(COWMAJOR, DEVICE_NAME); - rv = -ENOMEM; - goto error_out; - } - - spin_lock_init(&cowctlrqlock); - cowctlgd->major = COWMAJOR; - cowctlgd->first_minor = COWCTL; - cowctlgd->minors = 1; - cowctlgd->fops = &cowlo_fops; - cowctlgd->private_data = NULL; - /* the device has capacity 0, so there will be no q-requests */ - cowctlgd->queue = blk_init_queue(NULL, &cowctlrqlock); - sprintf(cowctlgd->disk_name, "cowctl"); - set_capacity(cowctlgd, 0); - - add_disk(cowctlgd); - - printk(KERN_NOTICE "cowloop - number of configured cowdevices: %d\n", - maxcows); - if (rdofile[0] != '\0') { - printk(KERN_NOTICE "cowloop - initialized on rdofile=%s\n", - rdofile); - } else { - printk(KERN_NOTICE "cowloop - initialized without rdofile yet\n"); - } - return 0; - -error_out: - for (minor=0; minor < uptocows ; minor++) { - kfree(cowdevall[minor]); - } - kfree(cowdevall); - return rv; -} - -/* -** called during rmmod -*/ -static void __exit -cowlo_cleanup_module(void) -{ - int minor; - - /* - ** flush bitmaps and cowheads to the cowfiles - */ - down(&cowdevlock); - cowlo_sync(); - up(&cowdevlock); - - /* - ** close all cowdevices - */ - for (minor=0; minor < maxcows; minor++) - (void) cowlo_closepair(cowdevall[minor]); - - unregister_blkdev(COWMAJOR, DEVICE_NAME); - - /* - ** get rid of /proc/cow and unregister the driver - */ - remove_proc_entry("cow", NULL); - - for (minor = 0; minor < maxcows; minor++) { - kfree(cowdevall[minor]); - } - kfree(cowdevall); - - del_gendisk(cowctlgd); /* revert the alloc_disk() */ - put_disk (cowctlgd); /* revert the add_disk() */ - blk_cleanup_queue(cowctlgd->queue); /* cleanup the empty queue */ - - printk(KERN_NOTICE "cowloop - unloaded\n"); -} - -module_init(cowlo_init_module); -module_exit(cowlo_cleanup_module); diff --git a/drivers/staging/cowloop/cowloop.h b/drivers/staging/cowloop/cowloop.h deleted file mode 100644 index bbd4a35ac66..00000000000 --- a/drivers/staging/cowloop/cowloop.h +++ /dev/null @@ -1,66 +0,0 @@ -/* -** DO NOT MODIFY THESE VALUES (would make old cowfiles unusable) -*/ -#define MAPUNIT 1024 /* blocksize for bit in bitmap */ -#define MUSHIFT 10 /* bitshift for bit in bitmap */ -#define MUMASK 0x3ff /* bitmask for bit in bitmap */ - -#define COWMAGIC 0x574f437f /* byte-swapped '7f C O W' */ -#define COWDIRTY 0x01 -#define COWPACKED 0x02 -#define COWVERSION 1 - -struct cowhead -{ - int magic; /* identifies a cowfile */ - short version; /* version of cowhead */ - short flags; /* flags indicating status */ - unsigned long mapunit; /* blocksize per bit in bitmap */ - unsigned long mapsize; /* total size of bitmap (bytes) */ - unsigned long doffset; /* start-offset datablocks in cow */ - unsigned long rdoblocks; /* size of related read-only file */ - unsigned long rdofingerprint; /* fingerprint of read-only file */ - unsigned long cowused; /* number of datablocks used in cow */ -}; - -#define COWDEVDIR "/dev/cow/" -#define COWDEVICE COWDEVDIR "%ld" -#define COWCONTROL COWDEVDIR "ctl" - -#define MAXCOWS 1024 -#define COWCTL (MAXCOWS-1) /* minor number of /dev/cow/ctl */ - -#define COWPROCDIR "/proc/cow/" -#define COWPROCFILE COWPROCDIR "%d" - -/* -** ioctl related stuff -*/ -#define ANYDEV ((unsigned long)-1) - -struct cowpair -{ - unsigned char *rdofile; /* pathname of the rdofile */ - unsigned char *cowfile; /* pathname of the cowfile */ - unsigned short rdoflen; /* length of rdofile pathname */ - unsigned short cowflen; /* length of cowfile pathname */ - unsigned long device; /* requested/returned device number */ -}; - -struct cowwatch -{ - int flags; /* request flags */ - unsigned long device; /* requested device number */ - unsigned long threshold; /* continue if free Kb < threshold */ - unsigned long totalkb; /* ret: total filesystem size (Kb) */ - unsigned long availkb; /* ret: free filesystem size (Kb) */ -}; - -#define WATCHWAIT 0x01 /* block until threshold reached */ - -#define COWSYNC _IO ('C', 1) -#define COWMKPAIR _IOW ('C', 2, struct cowpair) -#define COWRMPAIR _IOW ('C', 3, unsigned long) -#define COWWATCH _IOW ('C', 4, struct cowwatch) -#define COWCLOSE _IOW ('C', 5, unsigned long) -#define COWRDOPEN _IOW ('C', 6, unsigned long) diff --git a/drivers/staging/et131x/et1310_address_map.h b/drivers/staging/et131x/et1310_address_map.h index 6294d3814e7..2c3d65a622a 100644 --- a/drivers/staging/et131x/et1310_address_map.h +++ b/drivers/staging/et131x/et1310_address_map.h @@ -223,7 +223,7 @@ typedef union _TXDMA_PR_NUM_DES_t { extern inline void add_10bit(u32 *v, int n) { - *v = INDEX10(*v + n); + *v = INDEX10(*v + n) | (*v & ET_DMA10_WRAP); } /* diff --git a/drivers/staging/et131x/et1310_rx.c b/drivers/staging/et131x/et1310_rx.c index 8f2e91fa0a8..10e21db57ac 100644 --- a/drivers/staging/et131x/et1310_rx.c +++ b/drivers/staging/et131x/et1310_rx.c @@ -1177,12 +1177,20 @@ void et131x_handle_recv_interrupt(struct et131x_adapter *etdev) static inline u32 bump_fbr(u32 *fbr, u32 limit) { - u32 v = *fbr; - add_10bit(&v, 1); - if (v > limit) - v = (*fbr & ~ET_DMA10_MASK) ^ ET_DMA10_WRAP; - *fbr = v; - return v; + u32 v = *fbr; + v++; + /* This works for all cases where limit < 1024. The 1023 case + works because 1023++ is 1024 which means the if condition is not + taken but the carry of the bit into the wrap bit toggles the wrap + value correctly */ + if ((v & ET_DMA10_MASK) > limit) { + v &= ~ET_DMA10_MASK; + v ^= ET_DMA10_WRAP; + } + /* For the 1023 case */ + v &= (ET_DMA10_MASK|ET_DMA10_WRAP); + *fbr = v; + return v; } /** diff --git a/drivers/staging/hv/ChannelMgmt.h b/drivers/staging/hv/ChannelMgmt.h index a839d8fe6ce..fa973d86b62 100644 --- a/drivers/staging/hv/ChannelMgmt.h +++ b/drivers/staging/hv/ChannelMgmt.h @@ -26,6 +26,7 @@ #define _CHANNEL_MGMT_H_ #include <linux/list.h> +#include <linux/timer.h> #include "RingBuffer.h" #include "VmbusChannelInterface.h" #include "VmbusPacketFormat.h" @@ -54,7 +55,7 @@ enum vmbus_channel_message_type { ChannelMessageViewRangeRemove = 18, #endif ChannelMessageCount -} __attribute__((packed)); +}; struct vmbus_channel_message_header { enum vmbus_channel_message_type MessageType; diff --git a/drivers/staging/hv/NetVsc.c b/drivers/staging/hv/NetVsc.c index 1610b845198..d384c0ddf06 100644 --- a/drivers/staging/hv/NetVsc.c +++ b/drivers/staging/hv/NetVsc.c @@ -1052,7 +1052,7 @@ static void NetVscOnReceive(struct hv_device *Device, */ spin_lock_irqsave(&netDevice->receive_packet_list_lock, flags); while (!list_empty(&netDevice->ReceivePacketList)) { - list_move_tail(&netDevice->ReceivePacketList, &listHead); + list_move_tail(netDevice->ReceivePacketList.next, &listHead); if (++count == vmxferpagePacket->RangeCount + 1) break; } @@ -1071,7 +1071,7 @@ static void NetVscOnReceive(struct hv_device *Device, /* Return it to the freelist */ spin_lock_irqsave(&netDevice->receive_packet_list_lock, flags); for (i = count; i != 0; i--) { - list_move_tail(&listHead, + list_move_tail(listHead.next, &netDevice->ReceivePacketList); } spin_unlock_irqrestore(&netDevice->receive_packet_list_lock, @@ -1085,8 +1085,7 @@ static void NetVscOnReceive(struct hv_device *Device, } /* Remove the 1st packet to represent the xfer page packet itself */ - xferpagePacket = list_entry(&listHead, struct xferpage_packet, - ListEntry); + xferpagePacket = (struct xferpage_packet*)listHead.next; list_del(&xferpagePacket->ListEntry); /* This is how much we can satisfy */ @@ -1102,8 +1101,7 @@ static void NetVscOnReceive(struct hv_device *Device, /* Each range represents 1 RNDIS pkt that contains 1 ethernet frame */ for (i = 0; i < (count - 1); i++) { - netvscPacket = list_entry(&listHead, struct hv_netvsc_packet, - ListEntry); + netvscPacket = (struct hv_netvsc_packet*)listHead.next; list_del(&netvscPacket->ListEntry); /* Initialize the netvsc packet */ diff --git a/drivers/staging/hv/TODO b/drivers/staging/hv/TODO index 4d390b23774..dbfbde937a6 100644 --- a/drivers/staging/hv/TODO +++ b/drivers/staging/hv/TODO @@ -1,11 +1,17 @@ TODO: - fix remaining checkpatch warnings and errors + - use of /** when it is not a kerneldoc header - remove RingBuffer.c to us in-kernel ringbuffer functions instead. - audit the vmbus to verify it is working properly with the driver model + - convert vmbus driver interface function pointer tables + to constant, a.k.a vmbus_ops - see if the vmbus can be merged with the other virtual busses in the kernel - audit the network driver + - use existing net_device_stats struct in network device + - checking for carrier inside open is wrong, network device API + confusion?? - audit the block driver - audit the scsi driver diff --git a/drivers/staging/hv/osd.c b/drivers/staging/hv/osd.c index 8fe543bd991..3a4793a0fd0 100644 --- a/drivers/staging/hv/osd.c +++ b/drivers/staging/hv/osd.c @@ -30,6 +30,7 @@ #include <linux/ioport.h> #include <linux/irq.h> #include <linux/interrupt.h> +#include <linux/sched.h> #include <linux/wait.h> #include <linux/spinlock.h> #include <linux/workqueue.h> diff --git a/drivers/staging/hv/osd.h b/drivers/staging/hv/osd.h index 9504604c72b..ce064e8ea64 100644 --- a/drivers/staging/hv/osd.h +++ b/drivers/staging/hv/osd.h @@ -25,6 +25,7 @@ #ifndef _OSD_H_ #define _OSD_H_ +#include <linux/workqueue.h> /* Defines */ #define ALIGN_UP(value, align) (((value) & (align-1)) ? \ diff --git a/drivers/staging/hv/vmbus_drv.c b/drivers/staging/hv/vmbus_drv.c index 582318f1022..894eecfc63c 100644 --- a/drivers/staging/hv/vmbus_drv.c +++ b/drivers/staging/hv/vmbus_drv.c @@ -507,12 +507,12 @@ static struct hv_device *vmbus_child_device_create(struct hv_guid *type, child_device_obj = &child_device_ctx->device_obj; child_device_obj->context = context; - memcpy(&child_device_obj->deviceType, &type, sizeof(struct hv_guid)); - memcpy(&child_device_obj->deviceInstance, &instance, + memcpy(&child_device_obj->deviceType, type, sizeof(struct hv_guid)); + memcpy(&child_device_obj->deviceInstance, instance, sizeof(struct hv_guid)); - memcpy(&child_device_ctx->class_id, &type, sizeof(struct hv_guid)); - memcpy(&child_device_ctx->device_id, &instance, sizeof(struct hv_guid)); + memcpy(&child_device_ctx->class_id, type, sizeof(struct hv_guid)); + memcpy(&child_device_ctx->device_id, instance, sizeof(struct hv_guid)); DPRINT_EXIT(VMBUS_DRV); @@ -537,18 +537,7 @@ static int vmbus_child_device_register(struct hv_device *root_device_obj, DPRINT_DBG(VMBUS_DRV, "child device (%p) registering", child_device_ctx); - /* Make sure we are not registered already */ - if (strlen(dev_name(&child_device_ctx->device)) != 0) { - DPRINT_ERR(VMBUS_DRV, - "child device (%p) already registered - busid %s", - child_device_ctx, - dev_name(&child_device_ctx->device)); - - ret = -1; - goto Cleanup; - } - - /* Set the device bus id. Otherwise, device_register()will fail. */ + /* Set the device name. Otherwise, device_register() will fail. */ dev_set_name(&child_device_ctx->device, "vmbus_0_%d", atomic_inc_return(&device_num)); @@ -573,7 +562,6 @@ static int vmbus_child_device_register(struct hv_device *root_device_obj, DPRINT_INFO(VMBUS_DRV, "child device (%p) registered", &child_device_ctx->device); -Cleanup: DPRINT_EXIT(VMBUS_DRV); return ret; @@ -623,8 +611,6 @@ static void vmbus_child_device_destroy(struct hv_device *device_obj) static int vmbus_uevent(struct device *device, struct kobj_uevent_env *env) { struct device_context *device_ctx = device_to_device_context(device); - int i = 0; - int len = 0; int ret; DPRINT_ENTER(VMBUS_DRV); @@ -644,8 +630,6 @@ static int vmbus_uevent(struct device *device, struct kobj_uevent_env *env) device_ctx->class_id.data[14], device_ctx->class_id.data[15]); - env->envp_idx = i; - env->buflen = len; ret = add_uevent_var(env, "VMBUS_DEVICE_CLASS_GUID={" "%02x%02x%02x%02x-%02x%02x-%02x%02x-" "%02x%02x%02x%02x%02x%02x%02x%02x}", @@ -691,8 +675,6 @@ static int vmbus_uevent(struct device *device, struct kobj_uevent_env *env) if (ret) return ret; - env->envp[env->envp_idx] = NULL; - DPRINT_EXIT(VMBUS_DRV); return 0; diff --git a/drivers/staging/iio/Kconfig b/drivers/staging/iio/Kconfig index beb99a547f0..4586650d65c 100644 --- a/drivers/staging/iio/Kconfig +++ b/drivers/staging/iio/Kconfig @@ -4,6 +4,7 @@ menuconfig IIO tristate "Industrial I/O support" + depends on !S390 ---help--- The industrial I/O subsystem provides a unified framework for drivers for many different types of embedded sensors using a diff --git a/drivers/staging/iio/industrialio-core.c b/drivers/staging/iio/industrialio-core.c index 1fa18f25581..768f44894d0 100644 --- a/drivers/staging/iio/industrialio-core.c +++ b/drivers/staging/iio/industrialio-core.c @@ -18,6 +18,8 @@ #include <linux/fs.h> #include <linux/interrupt.h> #include <linux/poll.h> +#include <linux/sched.h> +#include <linux/wait.h> #include <linux/cdev.h> #include "iio.h" #include "trigger_consumer.h" diff --git a/drivers/staging/otus/Kconfig b/drivers/staging/otus/Kconfig index d549d08fd49..f6cc2625e34 100644 --- a/drivers/staging/otus/Kconfig +++ b/drivers/staging/otus/Kconfig @@ -1,6 +1,6 @@ config OTUS tristate "Atheros OTUS 802.11n USB wireless support" - depends on USB && WLAN_80211 && MAC80211 + depends on USB && WLAN && MAC80211 default N ---help--- Enable support for Atheros 802.11n USB hardware: diff --git a/drivers/staging/p9auth/p9auth.c b/drivers/staging/p9auth/p9auth.c index 9111dcba37a..8ccfff723ee 100644 --- a/drivers/staging/p9auth/p9auth.c +++ b/drivers/staging/p9auth/p9auth.c @@ -183,7 +183,7 @@ static ssize_t cap_write(struct file *filp, const char __user *buf, user_buf_running = NULL; hash_str = NULL; node_ptr = kmalloc(sizeof(struct cap_node), GFP_KERNEL); - user_buf = kzalloc(count, GFP_KERNEL); + user_buf = kzalloc(count+1, GFP_KERNEL); if (!node_ptr || !user_buf) goto out; @@ -207,6 +207,7 @@ static ssize_t cap_write(struct file *filp, const char __user *buf, list_add(&(node_ptr->list), &(dev->head->list)); node_ptr = NULL; } else { + char *tmpu; if (!cap_devices[0].head || list_empty(&(cap_devices[0].head->list))) { retval = -EINVAL; @@ -218,10 +219,10 @@ static ssize_t cap_write(struct file *filp, const char __user *buf, * need to split it and hash 'user1@user2' using 'randomstring' * as the key. */ - user_buf_running = kstrdup(user_buf, GFP_KERNEL); - source_user = strsep(&user_buf_running, "@"); - target_user = strsep(&user_buf_running, "@"); - rand_str = strsep(&user_buf_running, "@"); + tmpu = user_buf_running = kstrdup(user_buf, GFP_KERNEL); + source_user = strsep(&tmpu, "@"); + target_user = strsep(&tmpu, "@"); + rand_str = tmpu; if (!source_user || !target_user || !rand_str) { retval = -EINVAL; goto out; @@ -229,7 +230,8 @@ static ssize_t cap_write(struct file *filp, const char __user *buf, /* hash the string user1@user2 with rand_str as the key */ len = strlen(source_user) + strlen(target_user) + 1; - hash_str = kzalloc(len, GFP_KERNEL); + /* src, @, len, \0 */ + hash_str = kzalloc(len+1, GFP_KERNEL); strcat(hash_str, source_user); strcat(hash_str, "@"); strcat(hash_str, target_user); diff --git a/drivers/staging/panel/panel.c b/drivers/staging/panel/panel.c index dd7d3fde969..4ce399b6d23 100644 --- a/drivers/staging/panel/panel.c +++ b/drivers/staging/panel/panel.c @@ -2071,11 +2071,15 @@ static void panel_detach(struct parport *port) return; } - if (keypad_enabled && keypad_initialized) + if (keypad_enabled && keypad_initialized) { misc_deregister(&keypad_dev); + keypad_initialized = 0; + } - if (lcd_enabled && lcd_initialized) + if (lcd_enabled && lcd_initialized) { misc_deregister(&lcd_dev); + lcd_initialized = 0; + } parport_release(pprt); parport_unregister_device(pprt); @@ -2211,13 +2215,16 @@ static void __exit panel_cleanup_module(void) del_timer(&scan_timer); if (pprt != NULL) { - if (keypad_enabled) + if (keypad_enabled) { misc_deregister(&keypad_dev); + keypad_initialized = 0; + } if (lcd_enabled) { panel_lcd_print("\x0cLCD driver " PANEL_VERSION "\nunloaded.\x1b[Lc\x1b[Lb\x1b[L-"); misc_deregister(&lcd_dev); + lcd_initialized = 0; } /* TODO: free all input signals */ diff --git a/drivers/staging/poch/poch.c b/drivers/staging/poch/poch.c index 0d111ddfabb..2eb8e3d43c4 100644 --- a/drivers/staging/poch/poch.c +++ b/drivers/staging/poch/poch.c @@ -20,6 +20,7 @@ #include <linux/init.h> #include <linux/ioctl.h> #include <linux/io.h> +#include <linux/sched.h> #include "poch.h" diff --git a/drivers/staging/rt2860/Kconfig b/drivers/staging/rt2860/Kconfig index 7f44e5e7246..efe38e25c5e 100644 --- a/drivers/staging/rt2860/Kconfig +++ b/drivers/staging/rt2860/Kconfig @@ -1,5 +1,5 @@ config RT2860 tristate "Ralink 2860 wireless support" - depends on PCI && X86 && WLAN_80211 + depends on PCI && X86 && WLAN ---help--- This is an experimental driver for the Ralink 2860 wireless chip. diff --git a/drivers/staging/rt2860/common/cmm_data_2860.c b/drivers/staging/rt2860/common/cmm_data_2860.c index fb1735533b7..857ff450b6c 100644 --- a/drivers/staging/rt2860/common/cmm_data_2860.c +++ b/drivers/staging/rt2860/common/cmm_data_2860.c @@ -363,6 +363,8 @@ int RtmpPCIMgmtKickOut( ULONG SwIdx = pAd->MgmtRing.TxCpuIdx; pTxD = (PTXD_STRUC) pAd->MgmtRing.Cell[SwIdx].AllocVa; + if (!pTxD) + return 0; pAd->MgmtRing.Cell[SwIdx].pNdisPacket = pPacket; pAd->MgmtRing.Cell[SwIdx].pNextNdisPacket = NULL; diff --git a/drivers/staging/rt2860/common/cmm_info.c b/drivers/staging/rt2860/common/cmm_info.c index 9d589c240ed..019cc4474ce 100644 --- a/drivers/staging/rt2860/common/cmm_info.c +++ b/drivers/staging/rt2860/common/cmm_info.c @@ -25,6 +25,7 @@ ************************************************************************* */ +#include <linux/sched.h> #include "../rt_config.h" INT Show_SSID_Proc( diff --git a/drivers/staging/rt2860/rt_linux.c b/drivers/staging/rt2860/rt_linux.c index b396a9b570e..ed27b8545a1 100644 --- a/drivers/staging/rt2860/rt_linux.c +++ b/drivers/staging/rt2860/rt_linux.c @@ -25,6 +25,7 @@ ************************************************************************* */ +#include <linux/sched.h> #include "rt_config.h" ULONG RTDebugLevel = RT_DEBUG_ERROR; diff --git a/drivers/staging/rt2870/Kconfig b/drivers/staging/rt2870/Kconfig index 76841f6dea9..aea5c822181 100644 --- a/drivers/staging/rt2870/Kconfig +++ b/drivers/staging/rt2870/Kconfig @@ -1,5 +1,5 @@ config RT2870 tristate "Ralink 2870/3070 wireless support" - depends on USB && X86 && WLAN_80211 + depends on USB && X86 && WLAN ---help--- This is an experimental driver for the Ralink xx70 wireless chips. diff --git a/drivers/staging/rt3090/Kconfig b/drivers/staging/rt3090/Kconfig index 255e8eaa483..2b3f745d72b 100644 --- a/drivers/staging/rt3090/Kconfig +++ b/drivers/staging/rt3090/Kconfig @@ -1,5 +1,5 @@ config RT3090 tristate "Ralink 3090 wireless support" - depends on PCI && X86 && WLAN_80211 + depends on PCI && X86 && WLAN ---help--- This is an experimental driver for the Ralink 3090 wireless chip. diff --git a/drivers/staging/rt3090/common/cmm_info.c b/drivers/staging/rt3090/common/cmm_info.c index 5be0714666c..3e51e98b474 100644 --- a/drivers/staging/rt3090/common/cmm_info.c +++ b/drivers/staging/rt3090/common/cmm_info.c @@ -34,6 +34,7 @@ --------- ---------- ---------------------------------------------- */ +#include <linux/sched.h> #include "../rt_config.h" diff --git a/drivers/staging/rt3090/rt_linux.c b/drivers/staging/rt3090/rt_linux.c index d2241ecdf58..9b94aa6eb90 100644 --- a/drivers/staging/rt3090/rt_linux.c +++ b/drivers/staging/rt3090/rt_linux.c @@ -25,6 +25,7 @@ ************************************************************************* */ +#include <linux/sched.h> #include "rt_config.h" ULONG RTDebugLevel = RT_DEBUG_ERROR; diff --git a/drivers/staging/rtl8187se/Kconfig b/drivers/staging/rtl8187se/Kconfig index faf6c608741..3211dd3765a 100644 --- a/drivers/staging/rtl8187se/Kconfig +++ b/drivers/staging/rtl8187se/Kconfig @@ -1,6 +1,6 @@ config RTL8187SE tristate "RealTek RTL8187SE Wireless LAN NIC driver" - depends on PCI + depends on PCI && WLAN select WIRELESS_EXT select WEXT_PRIV default N diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt.c index 013c3e19ae2..4c5d63fd583 100644 --- a/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt.c +++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt.c @@ -53,10 +53,8 @@ void ieee80211_crypt_deinit_entries(struct ieee80211_device *ieee, list_del(ptr); - if (entry->ops) { + if (entry->ops) entry->ops->deinit(entry->priv); - module_put(entry->ops->owner); - } kfree(entry); } } diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_module.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_module.c index 6fbe4890cb6..18392fce487 100644 --- a/drivers/staging/rtl8187se/ieee80211/ieee80211_module.c +++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_module.c @@ -189,10 +189,8 @@ void free_ieee80211(struct net_device *dev) for (i = 0; i < WEP_KEYS; i++) { struct ieee80211_crypt_data *crypt = ieee->crypt[i]; if (crypt) { - if (crypt->ops) { + if (crypt->ops) crypt->ops->deinit(crypt->priv); - module_put(crypt->ops->owner); - } kfree(crypt); ieee->crypt[i] = NULL; } diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c index 59b2ab48cdc..334e4c7ec61 100644 --- a/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c +++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c @@ -2839,16 +2839,12 @@ static int ieee80211_wpa_set_encryption(struct ieee80211_device *ieee, goto skip_host_crypt; ops = ieee80211_get_crypto_ops(param->u.crypt.alg); - if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) { - request_module("ieee80211_crypt_wep"); + if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) ops = ieee80211_get_crypto_ops(param->u.crypt.alg); - } else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) { - request_module("ieee80211_crypt_tkip"); + else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) ops = ieee80211_get_crypto_ops(param->u.crypt.alg); - } else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) { - request_module("ieee80211_crypt_ccmp"); + else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) ops = ieee80211_get_crypto_ops(param->u.crypt.alg); - } if (ops == NULL) { printk("unknown crypto alg '%s'\n", param->u.crypt.alg); param->u.crypt.err = IEEE_CRYPT_ERR_UNKNOWN_ALG; @@ -2869,7 +2865,7 @@ static int ieee80211_wpa_set_encryption(struct ieee80211_device *ieee, } memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data)); new_crypt->ops = ops; - if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) + if (new_crypt->ops) new_crypt->priv = new_crypt->ops->init(param->u.crypt.idx); diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_wx.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_wx.c index 8d8bdd0a130..a08b97a0951 100644 --- a/drivers/staging/rtl8187se/ieee80211/ieee80211_wx.c +++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_wx.c @@ -331,12 +331,10 @@ int ieee80211_wx_set_encode(struct ieee80211_device *ieee, return -ENOMEM; memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data)); new_crypt->ops = ieee80211_get_crypto_ops("WEP"); - if (!new_crypt->ops) { - request_module("ieee80211_crypt_wep"); + if (!new_crypt->ops) new_crypt->ops = ieee80211_get_crypto_ops("WEP"); - } - if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) + if (new_crypt->ops) new_crypt->priv = new_crypt->ops->init(key); if (!new_crypt->ops || !new_crypt->priv) { @@ -483,7 +481,7 @@ int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee, struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; int i, idx, ret = 0; int group_key = 0; - const char *alg, *module; + const char *alg; struct ieee80211_crypto_ops *ops; struct ieee80211_crypt_data **crypt; @@ -539,15 +537,12 @@ int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee, switch (ext->alg) { case IW_ENCODE_ALG_WEP: alg = "WEP"; - module = "ieee80211_crypt_wep"; break; case IW_ENCODE_ALG_TKIP: alg = "TKIP"; - module = "ieee80211_crypt_tkip"; break; case IW_ENCODE_ALG_CCMP: alg = "CCMP"; - module = "ieee80211_crypt_ccmp"; break; default: IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n", @@ -558,10 +553,8 @@ int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee, // printk("8-09-08-9=====>%s, alg name:%s\n",__func__, alg); ops = ieee80211_get_crypto_ops(alg); - if (ops == NULL) { - request_module(module); + if (ops == NULL) ops = ieee80211_get_crypto_ops(alg); - } if (ops == NULL) { IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n", dev->name, ext->alg); @@ -581,7 +574,7 @@ int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee, goto done; } new_crypt->ops = ops; - if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) + if (new_crypt->ops) new_crypt->priv = new_crypt->ops->init(idx); if (new_crypt->priv == NULL) { kfree(new_crypt); diff --git a/drivers/staging/rtl8192e/Kconfig b/drivers/staging/rtl8192e/Kconfig index 5c077b9fdc7..2ae3745f775 100644 --- a/drivers/staging/rtl8192e/Kconfig +++ b/drivers/staging/rtl8192e/Kconfig @@ -1,6 +1,6 @@ config RTL8192E tristate "RealTek RTL8192E Wireless LAN NIC driver" - depends on PCI + depends on PCI && WLAN select WIRELESS_EXT select WEXT_PRIV default N diff --git a/drivers/staging/rtl8192e/ieee80211/ieee80211_crypt.c b/drivers/staging/rtl8192e/ieee80211/ieee80211_crypt.c index 1a8ea8a40c3..b1c54932da3 100644 --- a/drivers/staging/rtl8192e/ieee80211/ieee80211_crypt.c +++ b/drivers/staging/rtl8192e/ieee80211/ieee80211_crypt.c @@ -53,14 +53,8 @@ void ieee80211_crypt_deinit_entries(struct ieee80211_device *ieee, list_del(ptr); - if (entry->ops) { + if (entry->ops) entry->ops->deinit(entry->priv); -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) - module_put(entry->ops->owner); -#else - __MOD_DEC_USE_COUNT(entry->ops->owner); -#endif - } kfree(entry); } } diff --git a/drivers/staging/rtl8192e/ieee80211/ieee80211_module.c b/drivers/staging/rtl8192e/ieee80211/ieee80211_module.c index 16256a31f99..12c2a18e1fa 100644 --- a/drivers/staging/rtl8192e/ieee80211/ieee80211_module.c +++ b/drivers/staging/rtl8192e/ieee80211/ieee80211_module.c @@ -242,14 +242,8 @@ void free_ieee80211(struct net_device *dev) for (i = 0; i < WEP_KEYS; i++) { struct ieee80211_crypt_data *crypt = ieee->crypt[i]; if (crypt) { - if (crypt->ops) { + if (crypt->ops) crypt->ops->deinit(crypt->priv); -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) - module_put(crypt->ops->owner); -#else - __MOD_DEC_USE_COUNT(crypt->ops->owner); -#endif - } kfree(crypt); ieee->crypt[i] = NULL; } diff --git a/drivers/staging/rtl8192e/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8192e/ieee80211/ieee80211_softmac.c index 2fc04df872c..eae7c4579a6 100644 --- a/drivers/staging/rtl8192e/ieee80211/ieee80211_softmac.c +++ b/drivers/staging/rtl8192e/ieee80211/ieee80211_softmac.c @@ -3284,17 +3284,14 @@ static int ieee80211_wpa_set_encryption(struct ieee80211_device *ieee, goto skip_host_crypt; ops = ieee80211_get_crypto_ops(param->u.crypt.alg); - if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) { - request_module("ieee80211_crypt_wep"); + if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) ops = ieee80211_get_crypto_ops(param->u.crypt.alg); - //set WEP40 first, it will be modified according to WEP104 or WEP40 at other place - } else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) { - request_module("ieee80211_crypt_tkip"); + /* set WEP40 first, it will be modified according to WEP104 or + * WEP40 at other place */ + else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) ops = ieee80211_get_crypto_ops(param->u.crypt.alg); - } else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) { - request_module("ieee80211_crypt_ccmp"); + else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) ops = ieee80211_get_crypto_ops(param->u.crypt.alg); - } if (ops == NULL) { printk("unknown crypto alg '%s'\n", param->u.crypt.alg); param->u.crypt.err = IEEE_CRYPT_ERR_UNKNOWN_ALG; @@ -3315,11 +3312,7 @@ static int ieee80211_wpa_set_encryption(struct ieee80211_device *ieee, } memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data)); new_crypt->ops = ops; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) - if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) -#else - if (new_crypt->ops && try_inc_mod_count(new_crypt->ops->owner)) -#endif + if (new_crypt->ops) new_crypt->priv = new_crypt->ops->init(param->u.crypt.idx); diff --git a/drivers/staging/rtl8192e/ieee80211/ieee80211_wx.c b/drivers/staging/rtl8192e/ieee80211/ieee80211_wx.c index 223483126b0..4e34a1f4c66 100644 --- a/drivers/staging/rtl8192e/ieee80211/ieee80211_wx.c +++ b/drivers/staging/rtl8192e/ieee80211/ieee80211_wx.c @@ -482,15 +482,9 @@ int ieee80211_wx_set_encode(struct ieee80211_device *ieee, return -ENOMEM; memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data)); new_crypt->ops = ieee80211_get_crypto_ops("WEP"); - if (!new_crypt->ops) { - request_module("ieee80211_crypt_wep"); + if (!new_crypt->ops) new_crypt->ops = ieee80211_get_crypto_ops("WEP"); - } -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) - if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) -#else - if (new_crypt->ops && try_inc_mod_count(new_crypt->ops->owner)) -#endif + if (new_crypt->ops) new_crypt->priv = new_crypt->ops->init(key); if (!new_crypt->ops || !new_crypt->priv) { @@ -644,7 +638,7 @@ int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee, struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; int i, idx; int group_key = 0; - const char *alg, *module; + const char *alg; struct ieee80211_crypto_ops *ops; struct ieee80211_crypt_data **crypt; @@ -711,15 +705,12 @@ int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee, switch (ext->alg) { case IW_ENCODE_ALG_WEP: alg = "WEP"; - module = "ieee80211_crypt_wep"; break; case IW_ENCODE_ALG_TKIP: alg = "TKIP"; - module = "ieee80211_crypt_tkip"; break; case IW_ENCODE_ALG_CCMP: alg = "CCMP"; - module = "ieee80211_crypt_ccmp"; break; default: IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n", @@ -730,10 +721,8 @@ int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee, printk("alg name:%s\n",alg); ops = ieee80211_get_crypto_ops(alg); - if (ops == NULL) { - request_module(module); + if (ops == NULL) ops = ieee80211_get_crypto_ops(alg); - } if (ops == NULL) { IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n", dev->name, ext->alg); @@ -758,7 +747,7 @@ int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee, goto done; } new_crypt->ops = ops; - if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) + if (new_crypt->ops) new_crypt->priv = new_crypt->ops->init(idx); if (new_crypt->priv == NULL) { kfree(new_crypt); diff --git a/drivers/staging/rtl8192e/r8192E_core.c b/drivers/staging/rtl8192e/r8192E_core.c index d4fa6548965..b0802a7aeb5 100644 --- a/drivers/staging/rtl8192e/r8192E_core.c +++ b/drivers/staging/rtl8192e/r8192E_core.c @@ -46,6 +46,7 @@ #undef DEBUG_TX_DESC //#define CONFIG_RTL8192_IO_MAP +#include <linux/vmalloc.h> #include <asm/uaccess.h> #include "r8192E_hw.h" #include "r8192E.h" diff --git a/drivers/staging/rtl8192su/Kconfig b/drivers/staging/rtl8192su/Kconfig index 770f41280f2..b8c95f94206 100644 --- a/drivers/staging/rtl8192su/Kconfig +++ b/drivers/staging/rtl8192su/Kconfig @@ -1,6 +1,6 @@ config RTL8192SU tristate "RealTek RTL8192SU Wireless LAN NIC driver" - depends on PCI + depends on PCI && WLAN depends on WIRELESS_EXT default N ---help--- diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt.c index d76a54d59d2..521e7b98993 100644 --- a/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt.c +++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt.c @@ -53,10 +53,8 @@ void ieee80211_crypt_deinit_entries(struct ieee80211_device *ieee, list_del(ptr); - if (entry->ops) { + if (entry->ops) entry->ops->deinit(entry->priv); - module_put(entry->ops->owner); - } kfree(entry); } } diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_module.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_module.c index 68dc8fa094c..c3383bb8b76 100644 --- a/drivers/staging/rtl8192su/ieee80211/ieee80211_module.c +++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_module.c @@ -216,10 +216,8 @@ void free_ieee80211(struct net_device *dev) for (i = 0; i < WEP_KEYS; i++) { struct ieee80211_crypt_data *crypt = ieee->crypt[i]; if (crypt) { - if (crypt->ops) { + if (crypt->ops) crypt->ops->deinit(crypt->priv); - module_put(crypt->ops->owner); - } kfree(crypt); ieee->crypt[i] = NULL; } diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_softmac.c index c64ae03f68a..fd8e11252f1 100644 --- a/drivers/staging/rtl8192su/ieee80211/ieee80211_softmac.c +++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_softmac.c @@ -3026,17 +3026,14 @@ static int ieee80211_wpa_set_encryption(struct ieee80211_device *ieee, goto skip_host_crypt; ops = ieee80211_get_crypto_ops(param->u.crypt.alg); - if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) { - request_module("ieee80211_crypt_wep"); + if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) ops = ieee80211_get_crypto_ops(param->u.crypt.alg); - //set WEP40 first, it will be modified according to WEP104 or WEP40 at other place - } else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) { - request_module("ieee80211_crypt_tkip"); + /* set WEP40 first, it will be modified according to WEP104 or + * WEP40 at other place */ + else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) ops = ieee80211_get_crypto_ops(param->u.crypt.alg); - } else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) { - request_module("ieee80211_crypt_ccmp"); + else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) ops = ieee80211_get_crypto_ops(param->u.crypt.alg); - } if (ops == NULL) { printk("unknown crypto alg '%s'\n", param->u.crypt.alg); param->u.crypt.err = IEEE_CRYPT_ERR_UNKNOWN_ALG; @@ -3058,7 +3055,7 @@ static int ieee80211_wpa_set_encryption(struct ieee80211_device *ieee, memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data)); new_crypt->ops = ops; - if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) + if (new_crypt->ops) new_crypt->priv = new_crypt->ops->init(param->u.crypt.idx); diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_wx.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_wx.c index 10775902433..6146c6435dd 100644 --- a/drivers/staging/rtl8192su/ieee80211/ieee80211_wx.c +++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_wx.c @@ -358,11 +358,9 @@ int ieee80211_wx_set_encode(struct ieee80211_device *ieee, return -ENOMEM; memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data)); new_crypt->ops = ieee80211_get_crypto_ops("WEP"); - if (!new_crypt->ops) { - request_module("ieee80211_crypt_wep"); + if (!new_crypt->ops) new_crypt->ops = ieee80211_get_crypto_ops("WEP"); - } - if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) + if (new_crypt->ops) new_crypt->priv = new_crypt->ops->init(key); if (!new_crypt->ops || !new_crypt->priv) { @@ -507,7 +505,7 @@ int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee, struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; int i, idx; int group_key = 0; - const char *alg, *module; + const char *alg; struct ieee80211_crypto_ops *ops; struct ieee80211_crypt_data **crypt; @@ -570,15 +568,12 @@ int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee, switch (ext->alg) { case IW_ENCODE_ALG_WEP: alg = "WEP"; - module = "ieee80211_crypt_wep"; break; case IW_ENCODE_ALG_TKIP: alg = "TKIP"; - module = "ieee80211_crypt_tkip"; break; case IW_ENCODE_ALG_CCMP: alg = "CCMP"; - module = "ieee80211_crypt_ccmp"; break; default: IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n", @@ -589,10 +584,8 @@ int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee, printk("alg name:%s\n",alg); ops = ieee80211_get_crypto_ops(alg); - if (ops == NULL) { - request_module("%s", module); + if (ops == NULL) ops = ieee80211_get_crypto_ops(alg); - } if (ops == NULL) { IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n", dev->name, ext->alg); @@ -612,7 +605,7 @@ int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee, goto done; } new_crypt->ops = ops; - if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) + if (new_crypt->ops) new_crypt->priv = new_crypt->ops->init(idx); if (new_crypt->priv == NULL) { kfree(new_crypt); diff --git a/drivers/staging/sep/sep_driver.c b/drivers/staging/sep/sep_driver.c index 87f8a119276..f890a16096c 100644 --- a/drivers/staging/sep/sep_driver.c +++ b/drivers/staging/sep/sep_driver.c @@ -38,6 +38,7 @@ #include <linux/mm.h> #include <linux/poll.h> #include <linux/wait.h> +#include <linux/sched.h> #include <linux/pci.h> #include <linux/firmware.h> #include <asm/ioctl.h> diff --git a/drivers/staging/stlc45xx/Kconfig b/drivers/staging/stlc45xx/Kconfig deleted file mode 100644 index 947fb75a9c6..00000000000 --- a/drivers/staging/stlc45xx/Kconfig +++ /dev/null @@ -1,8 +0,0 @@ -config STLC45XX - tristate "stlc4550/4560 support" - depends on MAC80211 && WLAN_80211 && SPI_MASTER && GENERIC_HARDIRQS - ---help--- - This is a driver for stlc4550 and stlc4560 chipsets. - - To compile this driver as a module, choose M here: the module will be - called stlc45xx. If unsure, say N. diff --git a/drivers/staging/stlc45xx/Makefile b/drivers/staging/stlc45xx/Makefile deleted file mode 100644 index 7ee32903055..00000000000 --- a/drivers/staging/stlc45xx/Makefile +++ /dev/null @@ -1 +0,0 @@ -obj-$(CONFIG_STLC45XX) += stlc45xx.o diff --git a/drivers/staging/stlc45xx/stlc45xx.c b/drivers/staging/stlc45xx/stlc45xx.c deleted file mode 100644 index be99eb33d81..00000000000 --- a/drivers/staging/stlc45xx/stlc45xx.c +++ /dev/null @@ -1,2594 +0,0 @@ -/* - * This file is part of stlc45xx - * - * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies). - * - * Contact: Kalle Valo <kalle.valo@nokia.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - * - */ - -#include "stlc45xx.h" - -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/interrupt.h> -#include <linux/firmware.h> -#include <linux/delay.h> -#include <linux/irq.h> -#include <linux/spi/spi.h> -#include <linux/etherdevice.h> -#include <linux/gpio.h> -#include <linux/moduleparam.h> - -#include "stlc45xx_lmac.h" - -/* - * gpios should be handled in board files and provided via platform data, - * but because it's currently impossible for stlc45xx to have a header file - * in include/linux, let's use module paramaters for now - */ -static int stlc45xx_gpio_power = 97; -module_param(stlc45xx_gpio_power, int, 0444); -MODULE_PARM_DESC(stlc45xx_gpio_power, "stlc45xx gpio number for power line"); - -static int stlc45xx_gpio_irq = 87; -module_param(stlc45xx_gpio_irq, int, 0444); -MODULE_PARM_DESC(stlc45xx_gpio_irq, "stlc45xx gpio number for irq line"); - -static const u8 default_cal_channels[] = { - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6c, 0x09, - 0x00, 0x00, 0xc9, 0xff, 0xd8, 0xff, 0x00, 0x00, 0x00, 0x01, 0x10, - 0x01, 0x10, 0x01, 0x10, 0x01, 0x10, 0x01, 0xe0, 0x00, 0xe0, 0x00, - 0xe0, 0x00, 0xe0, 0x00, 0xd0, 0x00, 0xd0, 0x00, 0xd0, 0x00, 0xd0, - 0x00, 0x54, 0x01, 0xab, 0xf6, 0xc0, 0x42, 0xc0, 0x42, 0xc0, 0x42, - 0xc0, 0x42, 0x00, 0xcb, 0x00, 0xcb, 0x00, 0xcb, 0x00, 0xcb, 0x00, - 0xcb, 0x00, 0xcb, 0x00, 0xcb, 0x00, 0xcb, 0x22, 0x01, 0x37, 0xa9, - 0xc0, 0x33, 0xc0, 0x33, 0xc0, 0x33, 0xc0, 0x33, 0x00, 0xbc, 0x00, - 0xbc, 0x00, 0xbc, 0x00, 0xbc, 0x00, 0xbc, 0x00, 0xbc, 0x00, 0xbc, - 0x00, 0xbc, 0xfb, 0x00, 0xca, 0x79, 0xc0, 0x2b, 0xc0, 0x2b, 0xc0, - 0x2b, 0xc0, 0x2b, 0x00, 0xb4, 0x00, 0xb4, 0x00, 0xb4, 0x00, 0xb4, - 0x00, 0xb4, 0x00, 0xb4, 0x00, 0xb4, 0x00, 0xb4, 0xd0, 0x00, 0x5d, - 0x54, 0xc0, 0x21, 0xc0, 0x21, 0xc0, 0x21, 0xc0, 0x21, 0x00, 0xaa, - 0x00, 0xaa, 0x00, 0xaa, 0x00, 0xaa, 0x00, 0xaa, 0x00, 0xaa, 0x00, - 0xaa, 0x00, 0xaa, 0xa7, 0x00, 0xa9, 0x3d, 0xc0, 0x17, 0xc0, 0x17, - 0xc0, 0x17, 0xc0, 0x17, 0x00, 0xa0, 0x00, 0xa0, 0x00, 0xa0, 0x00, - 0xa0, 0x00, 0xa0, 0x00, 0xa0, 0x00, 0xa0, 0x00, 0xa0, 0x7a, 0x00, - 0x06, 0x2c, 0xc0, 0x0d, 0xc0, 0x0d, 0xc0, 0x0d, 0xc0, 0x0d, 0x00, - 0x96, 0x00, 0x96, 0x00, 0x96, 0x00, 0x96, 0x00, 0x96, 0x00, 0x96, - 0x00, 0x96, 0x00, 0x96, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x06, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x71, 0x09, 0x00, 0x00, 0xc9, 0xff, 0xd8, - 0xff, 0x00, 0x00, 0x00, 0x01, 0x10, 0x01, 0x10, 0x01, 0x10, 0x01, - 0x10, 0x01, 0xf0, 0x00, 0xf0, 0x00, 0xf0, 0x00, 0xf0, 0x00, 0xd0, - 0x00, 0xd0, 0x00, 0xd0, 0x00, 0xd0, 0x00, 0x54, 0x01, 0xab, 0xf6, - 0xc0, 0x42, 0xc0, 0x42, 0xc0, 0x42, 0xc0, 0x42, 0x00, 0xcb, 0x00, - 0xcb, 0x00, 0xcb, 0x00, 0xcb, 0x00, 0xcb, 0x00, 0xcb, 0x00, 0xcb, - 0x00, 0xcb, 0x22, 0x01, 0x37, 0xa9, 0xc0, 0x33, 0xc0, 0x33, 0xc0, - 0x33, 0xc0, 0x33, 0x00, 0xbc, 0x00, 0xbc, 0x00, 0xbc, 0x00, 0xbc, - 0x00, 0xbc, 0x00, 0xbc, 0x00, 0xbc, 0x00, 0xbc, 0xfb, 0x00, 0xca, - 0x79, 0xc0, 0x2b, 0xc0, 0x2b, 0xc0, 0x2b, 0xc0, 0x2b, 0x00, 0xb4, - 0x00, 0xb4, 0x00, 0xb4, 0x00, 0xb4, 0x00, 0xb4, 0x00, 0xb4, 0x00, - 0xb4, 0x00, 0xb4, 0xd0, 0x00, 0x5d, 0x54, 0xc0, 0x21, 0xc0, 0x21, - 0xc0, 0x21, 0xc0, 0x21, 0x00, 0xaa, 0x00, 0xaa, 0x00, 0xaa, 0x00, - 0xaa, 0x00, 0xaa, 0x00, 0xaa, 0x00, 0xaa, 0x00, 0xaa, 0xa7, 0x00, - 0xa9, 0x3d, 0xc0, 0x17, 0xc0, 0x17, 0xc0, 0x17, 0xc0, 0x17, 0x00, - 0xa0, 0x00, 0xa0, 0x00, 0xa0, 0x00, 0xa0, 0x00, 0xa0, 0x00, 0xa0, - 0x00, 0xa0, 0x00, 0xa0, 0x7a, 0x00, 0x06, 0x2c, 0xc0, 0x0d, 0xc0, - 0x0d, 0xc0, 0x0d, 0xc0, 0x0d, 0x00, 0x96, 0x00, 0x96, 0x00, 0x96, - 0x00, 0x96, 0x00, 0x96, 0x00, 0x96, 0x00, 0x96, 0x00, 0x96, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x80, 0x80, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x76, - 0x09, 0x00, 0x00, 0xc9, 0xff, 0xd8, 0xff, 0x00, 0x00, 0x00, 0x01, - 0x10, 0x01, 0x10, 0x01, 0x10, 0x01, 0x10, 0x01, 0xf0, 0x00, 0xf0, - 0x00, 0xf0, 0x00, 0xf0, 0x00, 0xd0, 0x00, 0xd0, 0x00, 0xd0, 0x00, - 0xd0, 0x00, 0x54, 0x01, 0xab, 0xf6, 0xc0, 0x42, 0xc0, 0x42, 0xc0, - 0x42, 0xc0, 0x42, 0x00, 0xcb, 0x00, 0xcb, 0x00, 0xcb, 0x00, 0xcb, - 0x00, 0xcb, 0x00, 0xcb, 0x00, 0xcb, 0x00, 0xcb, 0x22, 0x01, 0x37, - 0xa9, 0xc0, 0x33, 0xc0, 0x33, 0xc0, 0x33, 0xc0, 0x33, 0x00, 0xbc, - 0x00, 0xbc, 0x00, 0xbc, 0x00, 0xbc, 0x00, 0xbc, 0x00, 0xbc, 0x00, - 0xbc, 0x00, 0xbc, 0xfb, 0x00, 0xca, 0x79, 0xc0, 0x2b, 0xc0, 0x2b, - 0xc0, 0x2b, 0xc0, 0x2b, 0x00, 0xb4, 0x00, 0xb4, 0x00, 0xb4, 0x00, - 0xb4, 0x00, 0xb4, 0x00, 0xb4, 0x00, 0xb4, 0x00, 0xb4, 0xd0, 0x00, - 0x5d, 0x54, 0xc0, 0x21, 0xc0, 0x21, 0xc0, 0x21, 0xc0, 0x21, 0x00, - 0xaa, 0x00, 0xaa, 0x00, 0xaa, 0x00, 0xaa, 0x00, 0xaa, 0x00, 0xaa, - 0x00, 0xaa, 0x00, 0xaa, 0xa7, 0x00, 0xa9, 0x3d, 0xc0, 0x17, 0xc0, - 0x17, 0xc0, 0x17, 0xc0, 0x17, 0x00, 0xa0, 0x00, 0xa0, 0x00, 0xa0, - 0x00, 0xa0, 0x00, 0xa0, 0x00, 0xa0, 0x00, 0xa0, 0x00, 0xa0, 0x7a, - 0x00, 0x06, 0x2c, 0xc0, 0x0d, 0xc0, 0x0d, 0xc0, 0x0d, 0xc0, 0x0d, - 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0xcb, 0x00, 0xcb, 0x22, 0x01, 0x37, 0xa9, 0xc0, 0x33, 0xc0, 0x33, - 0xc0, 0x33, 0xc0, 0x33, 0x00, 0xbc, 0x00, 0xbc, 0x00, 0xbc, 0x00, - 0xbc, 0x00, 0xbc, 0x00, 0xbc, 0x00, 0xbc, 0x00, 0xbc, 0xfb, 0x00, - 0xca, 0x79, 0xc0, 0x2b, 0xc0, 0x2b, 0xc0, 0x2b, 0xc0, 0x2b, 0x00, - 0xb4, 0x00, 0xb4, 0x00, 0xb4, 0x00, 0xb4, 0x00, 0xb4, 0x00, 0xb4, - 0x00, 0xb4, 0x00, 0xb4, 0xd0, 0x00, 0x5d, 0x54, 0xc0, 0x21, 0xc0, - 0x21, 0xc0, 0x21, 0xc0, 0x21, 0x00, 0xaa, 0x00, 0xaa, 0x00, 0xaa, - 0x00, 0xaa, 0x00, 0xaa, 0x00, 0xaa, 0x00, 0xaa, 0x00, 0xaa, 0xa7, - 0x00, 0xa9, 0x3d, 0xc0, 0x17, 0xc0, 0x17, 0xc0, 0x17, 0xc0, 0x17, - 0x00, 0xa0, 0x00, 0xa0, 0x00, 0xa0, 0x00, 0xa0, 0x00, 0xa0, 0x00, - 0xa0, 0x00, 0xa0, 0x00, 0xa0, 0x7a, 0x00, 0x06, 0x2c, 0xc0, 0x0d, - 0xc0, 0x0d, 0xc0, 0x0d, 0xc0, 0x0d, 0x00, 0x96, 0x00, 0x96, 0x00, - 0x96, 0x00, 0x96, 0x00, 0x96, 0x00, 0x96, 0x00, 0x96, 0x00, 0x96, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 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0x00, 0xa0, 0x00, 0xa0, 0x00, 0xa0, 0x00, 0xa0, 0x00, 0xa0, 0x00, - 0xa0, 0x00, 0xa0, 0x7a, 0x00, 0x06, 0x2c, 0xc0, 0x0d, 0xc0, 0x0d, - 0xc0, 0x0d, 0xc0, 0x0d, 0x00, 0x96, 0x00, 0x96, 0x00, 0x96, 0x00, - 0x96, 0x00, 0x96, 0x00, 0x96, 0x00, 0x96, 0x00, 0x96, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x80, 0x80, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00 }; - -static const u8 default_cal_rssi[] = { - 0x0a, 0x01, 0x72, 0xfe, 0x1a, 0x00, 0x00, 0x00, 0x0a, 0x01, 0x72, - 0xfe, 0x1a, 0x00, 0x00, 0x00, 0x0a, 0x01, 0x72, 0xfe, 0x1a, 0x00, - 0x00, 0x00, 0x0a, 0x01, 0x72, 0xfe, 0x1a, 0x00, 0x00, 0x00, 0x0a, - 0x01, 0x72, 0xfe, 0x1a, 0x00, 0x00, 0x00, 0x0a, 0x01, 0x72, 0xfe, - 0x1a, 0x00, 0x00, 0x00, 0x0a, 0x01, 0x72, 0xfe, 0x1a, 0x00, 0x00, - 0x00, 0x0a, 0x01, 0x72, 0xfe, 0x1a, 0x00, 0x00, 0x00, 0x0a, 0x01, - 0x72, 0xfe, 0x1a, 0x00, 0x00, 0x00, 0x0a, 0x01, 0x72, 0xfe, 0x1a, - 0x00, 0x00, 0x00, 0x0a, 0x01, 0x72, 0xfe, 0x1a, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00 }; - -static void stlc45xx_tx_edcf(struct stlc45xx *stlc); -static void stlc45xx_tx_setup(struct stlc45xx *stlc); -static void stlc45xx_tx_scan(struct stlc45xx *stlc); -static void stlc45xx_tx_psm(struct stlc45xx *stlc, bool enable); -static int stlc45xx_tx_nullfunc(struct stlc45xx *stlc, bool powersave); -static int stlc45xx_tx_pspoll(struct stlc45xx *stlc, bool powersave); - -static ssize_t stlc45xx_sysfs_show_cal_rssi(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct stlc45xx *stlc = dev_get_drvdata(dev); - ssize_t len; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - len = PAGE_SIZE; - - mutex_lock(&stlc->mutex); - - if (stlc->cal_rssi) - hex_dump_to_buffer(stlc->cal_rssi, RSSI_CAL_ARRAY_LEN, 16, - 2, buf, len, 0); - mutex_unlock(&stlc->mutex); - - len = strlen(buf); - - return len; -} - -static ssize_t stlc45xx_sysfs_store_cal_rssi(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct stlc45xx *stlc = dev_get_drvdata(dev); - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - mutex_lock(&stlc->mutex); - - if (count != RSSI_CAL_ARRAY_LEN) { - stlc45xx_error("invalid cal_rssi length: %zu", count); - count = 0; - goto out_unlock; - } - - kfree(stlc->cal_rssi); - - stlc->cal_rssi = kmemdup(buf, RSSI_CAL_ARRAY_LEN, GFP_KERNEL); - - if (!stlc->cal_rssi) { - stlc45xx_error("failed to allocate memory for cal_rssi"); - count = 0; - goto out_unlock; - } - - out_unlock: - mutex_unlock(&stlc->mutex); - - return count; -} - -static ssize_t stlc45xx_sysfs_show_cal_channels(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct stlc45xx *stlc = dev_get_drvdata(dev); - ssize_t len; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - len = PAGE_SIZE; - - mutex_lock(&stlc->mutex); - - if (stlc->cal_channels) - hex_dump_to_buffer(stlc->cal_channels, CHANNEL_CAL_ARRAY_LEN, - 16, 2, buf, len, 0); - - mutex_unlock(&stlc->mutex); - - len = strlen(buf); - - return len; -} - -static ssize_t stlc45xx_sysfs_store_cal_channels(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct stlc45xx *stlc = dev_get_drvdata(dev); - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - mutex_lock(&stlc->mutex); - - if (count != CHANNEL_CAL_ARRAY_LEN) { - stlc45xx_error("invalid cal_channels size: %zu ", count); - count = 0; - goto out_unlock; - } - - kfree(stlc->cal_channels); - - stlc->cal_channels = kmemdup(buf, count, GFP_KERNEL); - - if (!stlc->cal_channels) { - stlc45xx_error("failed to allocate memory for cal_channels"); - count = 0; - goto out_unlock; - } - -out_unlock: - mutex_unlock(&stlc->mutex); - - return count; -} - -static ssize_t stlc45xx_sysfs_show_tx_buf(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct stlc45xx *stlc = dev_get_drvdata(dev); - struct txbuffer *entry; - ssize_t len = 0; - - stlc45xx_debug(DEBUG_FUNC, "%s()", __func__); - - mutex_lock(&stlc->mutex); - - list_for_each_entry(entry, &stlc->tx_sent, tx_list) { - len += sprintf(buf + len, "0x%x: 0x%x-0x%x\n", - entry->handle, entry->start, - entry->end); - } - - mutex_unlock(&stlc->mutex); - - return len; -} - -static DEVICE_ATTR(cal_rssi, S_IRUGO | S_IWUSR, - stlc45xx_sysfs_show_cal_rssi, - stlc45xx_sysfs_store_cal_rssi); -static DEVICE_ATTR(cal_channels, S_IRUGO | S_IWUSR, - stlc45xx_sysfs_show_cal_channels, - stlc45xx_sysfs_store_cal_channels); -static DEVICE_ATTR(tx_buf, S_IRUGO, stlc45xx_sysfs_show_tx_buf, NULL); - -static void stlc45xx_spi_read(struct stlc45xx *stlc, unsigned long addr, - void *buf, size_t len) -{ - struct spi_transfer t[2]; - struct spi_message m; - - /* We first push the address */ - addr = (addr << 8) | ADDR_READ_BIT_15; - - spi_message_init(&m); - memset(t, 0, sizeof(t)); - - t[0].tx_buf = &addr; - t[0].len = 2; - spi_message_add_tail(&t[0], &m); - - t[1].rx_buf = buf; - t[1].len = len; - spi_message_add_tail(&t[1], &m); - - spi_sync(stlc->spi, &m); -} - - -static void stlc45xx_spi_write(struct stlc45xx *stlc, unsigned long addr, - void *buf, size_t len) -{ - struct spi_transfer t[3]; - struct spi_message m; - u16 last_word; - - /* We first push the address */ - addr = addr << 8; - - spi_message_init(&m); - memset(t, 0, sizeof(t)); - - t[0].tx_buf = &addr; - t[0].len = 2; - spi_message_add_tail(&t[0], &m); - - t[1].tx_buf = buf; - t[1].len = len; - spi_message_add_tail(&t[1], &m); - - if (len % 2) { - last_word = ((u8 *)buf)[len - 1]; - - t[2].tx_buf = &last_word; - t[2].len = 2; - spi_message_add_tail(&t[2], &m); - } - - spi_sync(stlc->spi, &m); -} - -static u16 stlc45xx_read16(struct stlc45xx *stlc, unsigned long addr) -{ - u16 val; - - stlc45xx_spi_read(stlc, addr, &val, sizeof(val)); - - return val; -} - -static u32 stlc45xx_read32(struct stlc45xx *stlc, unsigned long addr) -{ - u32 val; - - stlc45xx_spi_read(stlc, addr, &val, sizeof(val)); - - return val; -} - -static void stlc45xx_write16(struct stlc45xx *stlc, unsigned long addr, u16 val) -{ - stlc45xx_spi_write(stlc, addr, &val, sizeof(val)); -} - -static void stlc45xx_write32(struct stlc45xx *stlc, unsigned long addr, u32 val) -{ - stlc45xx_spi_write(stlc, addr, &val, sizeof(val)); -} - -struct stlc45xx_spi_reg { - u16 address; - u16 length; - char *name; -}; - -/* caller must hold tx_lock */ -static void stlc45xx_txbuffer_dump(struct stlc45xx *stlc) -{ - struct txbuffer *txbuffer; - char *buf, *pos; - int buf_len, l, count; - - if (!(DEBUG_LEVEL & DEBUG_TXBUFFER)) - return; - - stlc45xx_debug(DEBUG_FUNC, "%s()", __func__); - - buf_len = 500; - buf = kmalloc(buf_len, GFP_ATOMIC); - if (!buf) - return; - - pos = buf; - count = 0; - - list_for_each_entry(txbuffer, &stlc->txbuffer, buffer_list) { - l = snprintf(pos, buf_len, "0x%x-0x%x,", - txbuffer->start, txbuffer->end); - /* drop the null byte */ - pos += l; - buf_len -= l; - count++; - } - - if (count == 0) - *pos = '\0'; - else - *--pos = '\0'; - - stlc45xx_debug(DEBUG_TXBUFFER, "txbuffer: in buffer %d regions: %s", - count, buf); - - kfree(buf); -} - -/* caller must hold tx_lock */ -static int stlc45xx_txbuffer_find(struct stlc45xx *stlc, size_t len) -{ - struct txbuffer *txbuffer; - int pos; - - stlc45xx_debug(DEBUG_FUNC, "%s()", __func__); - - pos = FIRMWARE_TXBUFFER_START; - - if (list_empty(&stlc->txbuffer)) - goto out; - - /* - * the entries in txbuffer must be in the same order as they are in - * the real buffer - */ - list_for_each_entry(txbuffer, &stlc->txbuffer, buffer_list) { - if (pos + len < txbuffer->start) - break; - pos = ALIGN(txbuffer->end + 1, 4); - } - - if (pos + len > FIRMWARE_TXBUFFER_END) - /* not enough room */ - pos = -1; - - stlc45xx_debug(DEBUG_TXBUFFER, "txbuffer: find %zu B: 0x%x", len, pos); - -out: - return pos; -} - -static int stlc45xx_txbuffer_add(struct stlc45xx *stlc, - struct txbuffer *txbuffer) -{ - struct txbuffer *r, *prev = NULL; - - if (list_empty(&stlc->txbuffer)) { - list_add(&txbuffer->buffer_list, &stlc->txbuffer); - return 0; - } - - r = list_first_entry(&stlc->txbuffer, struct txbuffer, buffer_list); - - if (txbuffer->start < r->start) { - /* add to the beginning of the list */ - list_add(&txbuffer->buffer_list, &stlc->txbuffer); - return 0; - } - - prev = NULL; - list_for_each_entry(r, &stlc->txbuffer, buffer_list) { - /* skip first entry, we checked for that above */ - if (!prev) { - prev = r; - continue; - } - - /* double-check overlaps */ - WARN_ON_ONCE(txbuffer->start >= r->start && - txbuffer->start <= r->end); - WARN_ON_ONCE(txbuffer->end >= r->start && - txbuffer->end <= r->end); - - if (prev->end < txbuffer->start && - txbuffer->end < r->start) { - /* insert at this spot */ - list_add_tail(&txbuffer->buffer_list, &r->buffer_list); - return 0; - } - - prev = r; - } - - /* not found */ - list_add_tail(&txbuffer->buffer_list, &stlc->txbuffer); - - return 0; - -} - -/* caller must hold tx_lock */ -static struct txbuffer *stlc45xx_txbuffer_alloc(struct stlc45xx *stlc, - size_t frame_len) -{ - struct txbuffer *entry = NULL; - size_t len; - int pos; - - stlc45xx_debug(DEBUG_FUNC, "%s()", __func__); - - len = FIRMWARE_TXBUFFER_HEADER + frame_len + FIRMWARE_TXBUFFER_TRAILER; - pos = stlc45xx_txbuffer_find(stlc, len); - - if (pos < 0) - return NULL; - - WARN_ON_ONCE(pos + len > FIRMWARE_TXBUFFER_END); - WARN_ON_ONCE(pos < FIRMWARE_TXBUFFER_START); - - entry = kmalloc(sizeof(*entry), GFP_ATOMIC); - entry->start = pos; - entry->frame_start = pos + FIRMWARE_TXBUFFER_HEADER; - entry->end = entry->start + len - 1; - - stlc45xx_debug(DEBUG_TXBUFFER, "txbuffer: allocated 0x%x-0x%x", - entry->start, entry->end); - - stlc45xx_txbuffer_add(stlc, entry); - - stlc45xx_txbuffer_dump(stlc); - - return entry; -} - -/* caller must hold tx_lock */ -static void stlc45xx_txbuffer_free(struct stlc45xx *stlc, - struct txbuffer *txbuffer) -{ - stlc45xx_debug(DEBUG_FUNC, "%s()", __func__); - - stlc45xx_debug(DEBUG_TXBUFFER, "txbuffer: freed 0x%x-0x%x", - txbuffer->start, txbuffer->end); - - list_del(&txbuffer->buffer_list); - kfree(txbuffer); -} - - -static int stlc45xx_wait_bit(struct stlc45xx *stlc, u16 reg, u32 mask, - u32 expected) -{ - int i; - char buffer[4]; - - for (i = 0; i < 2000; i++) { - stlc45xx_spi_read(stlc, reg, buffer, sizeof(buffer)); - if (((*(u32 *)buffer) & mask) == expected) - return 1; - msleep(1); - } - - return 0; -} - -static int stlc45xx_request_firmware(struct stlc45xx *stlc) -{ - const struct firmware *fw; - int ret; - - /* FIXME: should driver use it's own struct device? */ - ret = request_firmware(&fw, "3826.arm", &stlc->spi->dev); - - if (ret < 0) { - stlc45xx_error("request_firmware() failed: %d", ret); - return ret; - } - - if (fw->size % 4) { - stlc45xx_error("firmware size is not multiple of 32bit: %zu", - fw->size); - return -EILSEQ; /* Illegal byte sequence */; - } - - if (fw->size < 1000) { - stlc45xx_error("firmware is too small: %zu", fw->size); - return -EILSEQ; - } - - stlc->fw = kmemdup(fw->data, fw->size, GFP_KERNEL); - if (!stlc->fw) { - stlc45xx_error("could not allocate memory for firmware"); - return -ENOMEM; - } - - stlc->fw_len = fw->size; - - release_firmware(fw); - - return 0; -} - -static int stlc45xx_upload_firmware(struct stlc45xx *stlc) -{ - struct s_dma_regs dma_regs; - unsigned long fw_len, fw_addr; - long _fw_len; - int ret; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - if (!stlc->fw) { - ret = stlc45xx_request_firmware(stlc); - if (ret < 0) - return ret; - } - - /* stop the device */ - stlc45xx_write16(stlc, SPI_ADRS_DEV_CTRL_STAT, - SPI_CTRL_STAT_HOST_OVERRIDE | SPI_CTRL_STAT_HOST_RESET - | SPI_CTRL_STAT_START_HALTED); - - msleep(TARGET_BOOT_SLEEP); - - stlc45xx_write16(stlc, SPI_ADRS_DEV_CTRL_STAT, - SPI_CTRL_STAT_HOST_OVERRIDE - | SPI_CTRL_STAT_START_HALTED); - - msleep(TARGET_BOOT_SLEEP); - - fw_addr = FIRMWARE_ADDRESS; - fw_len = stlc->fw_len; - - while (fw_len > 0) { - _fw_len = (fw_len > SPI_MAX_PACKET_SIZE) - ? SPI_MAX_PACKET_SIZE : fw_len; - dma_regs.cmd = SPI_DMA_WRITE_CTRL_ENABLE; - dma_regs.len = cpu_to_le16(_fw_len); - dma_regs.addr = cpu_to_le32(fw_addr); - - fw_len -= _fw_len; - fw_addr += _fw_len; - - stlc45xx_write16(stlc, SPI_ADRS_DMA_WRITE_CTRL, dma_regs.cmd); - - if (stlc45xx_wait_bit(stlc, SPI_ADRS_DMA_WRITE_CTRL, - HOST_ALLOWED, HOST_ALLOWED) == 0) { - stlc45xx_error("fw_upload not allowed to DMA write"); - return -EAGAIN; - } - - stlc45xx_write16(stlc, SPI_ADRS_DMA_WRITE_LEN, dma_regs.len); - stlc45xx_write32(stlc, SPI_ADRS_DMA_WRITE_BASE, dma_regs.addr); - - stlc45xx_spi_write(stlc, SPI_ADRS_DMA_DATA, stlc->fw, _fw_len); - - /* FIXME: I think this doesn't work if firmware is large, - * this loop goes to second round. fw->data is not - * increased at all! */ - } - - BUG_ON(fw_len != 0); - - /* enable host interrupts */ - stlc45xx_write32(stlc, SPI_ADRS_HOST_INT_EN, SPI_HOST_INTS_DEFAULT); - - /* boot the device */ - stlc45xx_write16(stlc, SPI_ADRS_DEV_CTRL_STAT, - SPI_CTRL_STAT_HOST_OVERRIDE | SPI_CTRL_STAT_HOST_RESET - | SPI_CTRL_STAT_RAM_BOOT); - - msleep(TARGET_BOOT_SLEEP); - - stlc45xx_write16(stlc, SPI_ADRS_DEV_CTRL_STAT, - SPI_CTRL_STAT_HOST_OVERRIDE | SPI_CTRL_STAT_RAM_BOOT); - msleep(TARGET_BOOT_SLEEP); - - return 0; -} - -/* caller must hold tx_lock */ -static void stlc45xx_check_txsent(struct stlc45xx *stlc) -{ - struct txbuffer *entry, *n; - - list_for_each_entry_safe(entry, n, &stlc->tx_sent, tx_list) { - if (time_after(jiffies, entry->lifetime)) { - if (net_ratelimit()) - stlc45xx_warning("frame 0x%x lifetime exceeded", - entry->start); - list_del(&entry->tx_list); - skb_pull(entry->skb, entry->header_len); - ieee80211_tx_status(stlc->hw, entry->skb); - stlc45xx_txbuffer_free(stlc, entry); - } - } -} - -static void stlc45xx_power_off(struct stlc45xx *stlc) -{ - disable_irq(gpio_to_irq(stlc45xx_gpio_irq)); - gpio_set_value(stlc45xx_gpio_power, 0); -} - -static void stlc45xx_power_on(struct stlc45xx *stlc) -{ - gpio_set_value(stlc45xx_gpio_power, 1); - enable_irq(gpio_to_irq(stlc45xx_gpio_irq)); - - /* - * need to wait a while before device can be accessed, the length - * is just a guess - */ - msleep(10); -} - -/* caller must hold tx_lock */ -static void stlc45xx_flush_queues(struct stlc45xx *stlc) -{ - struct txbuffer *entry; - - while (!list_empty(&stlc->tx_sent)) { - entry = list_first_entry(&stlc->tx_sent, - struct txbuffer, tx_list); - list_del(&entry->tx_list); - dev_kfree_skb(entry->skb); - stlc45xx_txbuffer_free(stlc, entry); - } - - WARN_ON(!list_empty(&stlc->tx_sent)); - - while (!list_empty(&stlc->tx_pending)) { - entry = list_first_entry(&stlc->tx_pending, - struct txbuffer, tx_list); - list_del(&entry->tx_list); - dev_kfree_skb(entry->skb); - stlc45xx_txbuffer_free(stlc, entry); - } - - WARN_ON(!list_empty(&stlc->tx_pending)); - WARN_ON(!list_empty(&stlc->txbuffer)); -} - -static void stlc45xx_work_reset(struct work_struct *work) -{ - struct stlc45xx *stlc = container_of(work, struct stlc45xx, - work_reset); - - mutex_lock(&stlc->mutex); - - if (stlc->fw_state != FW_STATE_RESET) - goto out; - - stlc45xx_power_off(stlc); - - mutex_unlock(&stlc->mutex); - - /* wait that all work_structs have finished, we can't hold - * stlc->mutex to avoid deadlock */ - cancel_work_sync(&stlc->work); - - /* FIXME: find out good value to wait for chip power down */ - msleep(100); - - mutex_lock(&stlc->mutex); - - /* FIXME: we should gracefully handle if the state has changed - * after re-acquiring mutex */ - WARN_ON(stlc->fw_state != FW_STATE_RESET); - - spin_lock_bh(&stlc->tx_lock); - stlc45xx_flush_queues(stlc); - spin_unlock_bh(&stlc->tx_lock); - - stlc->fw_state = FW_STATE_RESETTING; - - stlc45xx_power_on(stlc); - stlc45xx_upload_firmware(stlc); - -out: - mutex_unlock(&stlc->mutex); -} - -/* caller must hold mutex */ -static void stlc45xx_reset(struct stlc45xx *stlc) -{ - stlc45xx_warning("resetting firmware"); - stlc->fw_state = FW_STATE_RESET; - ieee80211_stop_queues(stlc->hw); - queue_work(stlc->hw->workqueue, &stlc->work_reset); -} - -static void stlc45xx_work_tx_timeout(struct work_struct *work) -{ - struct stlc45xx *stlc = container_of(work, struct stlc45xx, - work_tx_timeout.work); - - stlc45xx_warning("tx timeout"); - - mutex_lock(&stlc->mutex); - - if (stlc->fw_state != FW_STATE_READY) - goto out; - - stlc45xx_reset(stlc); - -out: - mutex_unlock(&stlc->mutex); -} - -static void stlc45xx_int_ack(struct stlc45xx *stlc, u32 val) -{ - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - stlc45xx_write32(stlc, SPI_ADRS_HOST_INT_ACK, val); -} - -static void stlc45xx_wakeup(struct stlc45xx *stlc) -{ - unsigned long timeout; - u32 ints; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - /* wake the chip */ - stlc45xx_write32(stlc, SPI_ADRS_ARM_INTERRUPTS, SPI_TARGET_INT_WAKEUP); - - /* And wait for the READY interrupt */ - timeout = jiffies + HZ; - - ints = stlc45xx_read32(stlc, SPI_ADRS_HOST_INTERRUPTS); - while (!(ints & SPI_HOST_INT_READY)) { - if (time_after(jiffies, timeout)) - goto out; - ints = stlc45xx_read32(stlc, SPI_ADRS_HOST_INTERRUPTS); - } - - stlc45xx_int_ack(stlc, SPI_HOST_INT_READY); - -out: - return; -} - -static void stlc45xx_sleep(struct stlc45xx *stlc) -{ - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - stlc45xx_write32(stlc, SPI_ADRS_ARM_INTERRUPTS, SPI_TARGET_INT_SLEEP); -} - -static void stlc45xx_int_ready(struct stlc45xx *stlc) -{ - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - stlc45xx_write32(stlc, SPI_ADRS_HOST_INT_EN, - SPI_HOST_INT_UPDATE | SPI_HOST_INT_SW_UPDATE); - - switch (stlc->fw_state) { - case FW_STATE_BOOTING: - stlc->fw_state = FW_STATE_READY; - complete(&stlc->fw_comp); - break; - case FW_STATE_RESETTING: - stlc->fw_state = FW_STATE_READY; - - stlc45xx_tx_scan(stlc); - stlc45xx_tx_setup(stlc); - stlc45xx_tx_edcf(stlc); - - ieee80211_wake_queues(stlc->hw); - break; - default: - break; - } -} - -static int stlc45xx_rx_txack(struct stlc45xx *stlc, struct sk_buff *skb) -{ - struct ieee80211_tx_info *info; - struct s_lm_control *control; - struct s_lmo_tx *tx; - struct txbuffer *entry; - int found = 0; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - control = (struct s_lm_control *) skb->data; - tx = (struct s_lmo_tx *) (control + 1); - - if (list_empty(&stlc->tx_sent)) { - if (net_ratelimit()) - stlc45xx_warning("no frames waiting for " - "acknowledgement"); - return -1; - } - - list_for_each_entry(entry, &stlc->tx_sent, tx_list) { - if (control->handle == entry->handle) { - found = 1; - break; - } - } - - if (!found) { - if (net_ratelimit()) - stlc45xx_warning("couldn't find frame for tx ack 0x%x", - control->handle); - return -1; - } - - stlc45xx_debug(DEBUG_TX, "TX ACK 0x%x", entry->handle); - - if (entry->status_needed) { - info = IEEE80211_SKB_CB(entry->skb); - - if (!(tx->flags & LM_TX_FAILED)) { - /* frame was acked */ - info->flags |= IEEE80211_TX_STAT_ACK; - info->status.ack_signal = tx->rcpi / 2 - 110; - } - - skb_pull(entry->skb, entry->header_len); - - ieee80211_tx_status(stlc->hw, entry->skb); - } - - list_del(&entry->tx_list); - - stlc45xx_check_txsent(stlc); - if (list_empty(&stlc->tx_sent)) - /* there are no pending frames, we can stop the tx timeout - * timer */ - cancel_delayed_work(&stlc->work_tx_timeout); - - spin_lock_bh(&stlc->tx_lock); - - stlc45xx_txbuffer_free(stlc, entry); - - if (stlc->tx_queue_stopped && - stlc45xx_txbuffer_find(stlc, MAX_FRAME_LEN) != -1) { - stlc45xx_debug(DEBUG_QUEUE, "room in tx buffer, waking queues"); - ieee80211_wake_queues(stlc->hw); - stlc->tx_queue_stopped = 0; - } - - spin_unlock_bh(&stlc->tx_lock); - - return 0; -} - -static int stlc45xx_rx_control(struct stlc45xx *stlc, struct sk_buff *skb) -{ - struct s_lm_control *control; - int ret = 0; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - control = (struct s_lm_control *) skb->data; - - switch (control->oid) { - case LM_OID_TX: - ret = stlc45xx_rx_txack(stlc, skb); - break; - case LM_OID_SETUP: - case LM_OID_SCAN: - case LM_OID_TRAP: - case LM_OID_EDCF: - case LM_OID_KEYCACHE: - case LM_OID_PSM: - case LM_OID_STATS: - case LM_OID_LED: - default: - stlc45xx_warning("unhandled rx control oid %d\n", - control->oid); - break; - } - - dev_kfree_skb(skb); - - return ret; -} - -/* copied from mac80211 */ -static void stlc45xx_parse_elems(u8 *start, size_t len, - struct stlc45xx_ie_tim **tim, - size_t *tim_len) -{ - size_t left = len; - u8 *pos = start; - - while (left >= 2) { - u8 id, elen; - - id = *pos++; - elen = *pos++; - left -= 2; - - if (elen > left) - return; - - switch (id) { - case WLAN_EID_TIM: - *tim = (struct stlc45xx_ie_tim *) pos; - *tim_len = elen; - break; - default: - break; - } - - left -= elen; - pos += elen; - } -} - -/* - * mac80211 doesn't have support for asking frames with PS-Poll, so let's - * implement in the driver for now. We have to add support to mac80211 - * later. - */ -static int stlc45xx_check_more_data(struct stlc45xx *stlc, struct sk_buff *skb) -{ - struct s_lm_data_in *data = (struct s_lm_data_in *) skb->data; - struct ieee80211_hdr *hdr; - size_t len; - u16 fc; - - hdr = (void *) skb->data + sizeof(*data); - len = skb->len - sizeof(*data); - - /* minimum frame length is the null frame length 24 bytes */ - if (len < 24) { - stlc45xx_warning("invalid frame length when checking for " - "more data"); - return -EINVAL; - } - - fc = le16_to_cpu(hdr->frame_control); - if (!(fc & IEEE80211_FCTL_FROMDS)) - /* this is not from DS */ - return 0; - - if (compare_ether_addr(hdr->addr1, stlc->mac_addr) != 0) - /* the frame was not for us */ - return 0; - - if (!(fc & IEEE80211_FCTL_MOREDATA)) { - /* AP has no more frames buffered for us */ - stlc45xx_debug(DEBUG_PSM, "all buffered frames retrieved"); - stlc->pspolling = false; - return 0; - } - - /* MOREDATA bit is set, let's ask for a new frame from the AP */ - stlc45xx_tx_pspoll(stlc, stlc->psm); - - return 0; -} - -/* - * mac80211 cannot read TIM from beacons, so let's add a hack to the - * driver. We have to add support to mac80211 later. - */ -static int stlc45xx_rx_data_beacon(struct stlc45xx *stlc, struct sk_buff *skb) -{ - struct s_lm_data_in *data = (struct s_lm_data_in *) skb->data; - size_t len = skb->len, tim_len = 0, baselen, pvbmap_len; - struct ieee80211_mgmt *mgmt; - struct stlc45xx_ie_tim *tim = NULL; - int bmap_offset, index, aid_bit; - - mgmt = (void *) skb->data + sizeof(*data); - - baselen = (u8 *) mgmt->u.beacon.variable - (u8 *) mgmt; - if (baselen > len) { - stlc45xx_warning("invalid baselen in beacon"); - return -EINVAL; - } - - stlc45xx_parse_elems(mgmt->u.beacon.variable, len - baselen, &tim, - &tim_len); - - if (!tim) { - stlc45xx_warning("didn't find tim from a beacon"); - return -EINVAL; - } - - bmap_offset = tim->bmap_control & 0xfe; - index = stlc->aid / 8 - bmap_offset; - - pvbmap_len = tim_len - 3; - if (index > pvbmap_len) - return -EINVAL; - - aid_bit = !!(tim->pvbmap[index] & (1 << stlc->aid % 8)); - - stlc45xx_debug(DEBUG_PSM, "fc 0x%x duration %d seq %d dtim %u " - "bmap_control 0x%x aid_bit %d", - mgmt->frame_control, mgmt->duration, mgmt->seq_ctrl >> 4, - tim->dtim_count, tim->bmap_control, aid_bit); - - if (!aid_bit) - return 0; - - stlc->pspolling = true; - stlc45xx_tx_pspoll(stlc, stlc->psm); - - return 0; -} - -static int stlc45xx_rx_data(struct stlc45xx *stlc, struct sk_buff *skb) -{ - struct ieee80211_rx_status status; - struct s_lm_data_in *data = (struct s_lm_data_in *) skb->data; - int align = 0; - u8 *p, align_len; - u16 len; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - if (stlc->psm) { - if (data->flags & LM_IN_BEACON) - stlc45xx_rx_data_beacon(stlc, skb); - else if (stlc->pspolling && (data->flags & LM_IN_DATA)) - stlc45xx_check_more_data(stlc, skb); - } - - memset(&status, 0, sizeof(status)); - - status.freq = data->frequency; - status.signal = data->rcpi / 2 - 110; - - /* let's assume that maximum rcpi value is 140 (= 35 dBm) */ - status.qual = data->rcpi * 100 / 140; - - status.band = IEEE80211_BAND_2GHZ; - - /* - * FIXME: this gives warning from __ieee80211_rx() - * - * status.rate_idx = data->rate; - */ - - len = data->length; - - if (data->flags & LM_FLAG_ALIGN) - align = 1; - - skb_pull(skb, sizeof(*data)); - - if (align) { - p = skb->data; - align_len = *p; - skb_pull(skb, align_len); - } - - skb_trim(skb, len); - - stlc45xx_debug(DEBUG_RX, "rx data 0x%p %d B", skb->data, skb->len); - stlc45xx_dump(DEBUG_RX_CONTENT, skb->data, skb->len); - - memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status)); - ieee80211_rx(stlc->hw, skb); - - return 0; -} - - - -static int stlc45xx_rx(struct stlc45xx *stlc) -{ - struct s_lm_control *control; - struct sk_buff *skb; - int ret; - u16 len; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - stlc45xx_wakeup(stlc); - - /* dummy read to flush SPI DMA controller bug */ - stlc45xx_read16(stlc, SPI_ADRS_GEN_PURP_1); - - len = stlc45xx_read16(stlc, SPI_ADRS_DMA_DATA); - - if (len == 0) { - stlc45xx_warning("rx request of zero bytes"); - return 0; - } - - skb = dev_alloc_skb(len); - if (!skb) { - stlc45xx_warning("could not alloc skb"); - return 0; - } - - stlc45xx_spi_read(stlc, SPI_ADRS_DMA_DATA, skb_put(skb, len), len); - - stlc45xx_sleep(stlc); - - stlc45xx_debug(DEBUG_RX, "rx frame 0x%p %d B", skb->data, skb->len); - stlc45xx_dump(DEBUG_RX_CONTENT, skb->data, skb->len); - - control = (struct s_lm_control *) skb->data; - - if (control->flags & LM_FLAG_CONTROL) - ret = stlc45xx_rx_control(stlc, skb); - else - ret = stlc45xx_rx_data(stlc, skb); - - return ret; -} - - -static irqreturn_t stlc45xx_interrupt(int irq, void *config) -{ - struct spi_device *spi = config; - struct stlc45xx *stlc = dev_get_drvdata(&spi->dev); - - stlc45xx_debug(DEBUG_IRQ, "IRQ"); - - queue_work(stlc->hw->workqueue, &stlc->work); - - return IRQ_HANDLED; -} - -static int stlc45xx_tx_frame(struct stlc45xx *stlc, u32 address, - void *buf, size_t len) -{ - struct s_dma_regs dma_regs; - unsigned long timeout; - int ret = 0; - u32 ints; - - stlc->tx_frames++; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - stlc45xx_debug(DEBUG_TX, "tx frame 0x%p %zu B", buf, len); - stlc45xx_dump(DEBUG_TX_CONTENT, buf, len); - - stlc45xx_wakeup(stlc); - - dma_regs.cmd = SPI_DMA_WRITE_CTRL_ENABLE; - dma_regs.len = cpu_to_le16(len); - dma_regs.addr = cpu_to_le32(address); - - stlc45xx_spi_write(stlc, SPI_ADRS_DMA_WRITE_CTRL, &dma_regs, - sizeof(dma_regs)); - - stlc45xx_spi_write(stlc, SPI_ADRS_DMA_DATA, buf, len); - - timeout = jiffies + 2 * HZ; - ints = stlc45xx_read32(stlc, SPI_ADRS_HOST_INTERRUPTS); - while (!(ints & SPI_HOST_INT_WR_READY)) { - if (time_after(jiffies, timeout)) { - stlc45xx_warning("WR_READY timeout"); - ret = -1; - goto out; - } - ints = stlc45xx_read32(stlc, SPI_ADRS_HOST_INTERRUPTS); - } - - stlc45xx_int_ack(stlc, SPI_HOST_INT_WR_READY); - - stlc45xx_sleep(stlc); - -out: - return ret; -} - -static int stlc45xx_wq_tx(struct stlc45xx *stlc) -{ - struct txbuffer *entry; - int ret = 0; - - spin_lock_bh(&stlc->tx_lock); - - while (!list_empty(&stlc->tx_pending)) { - entry = list_entry(stlc->tx_pending.next, - struct txbuffer, tx_list); - - list_del_init(&entry->tx_list); - - spin_unlock_bh(&stlc->tx_lock); - - ret = stlc45xx_tx_frame(stlc, entry->frame_start, - entry->skb->data, entry->skb->len); - - spin_lock_bh(&stlc->tx_lock); - - if (ret < 0) { - /* frame transfer to firmware buffer failed */ - /* FIXME: report this to mac80211 */ - dev_kfree_skb(entry->skb); - stlc45xx_txbuffer_free(stlc, entry); - goto out; - } - - list_add(&entry->tx_list, &stlc->tx_sent); - queue_delayed_work(stlc->hw->workqueue, - &stlc->work_tx_timeout, - msecs_to_jiffies(TX_TIMEOUT)); - } - -out: - spin_unlock_bh(&stlc->tx_lock); - return ret; -} - -static void stlc45xx_work(struct work_struct *work) -{ - struct stlc45xx *stlc = container_of(work, struct stlc45xx, work); - u32 ints; - int ret; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - mutex_lock(&stlc->mutex); - - if (stlc->fw_state == FW_STATE_OFF && - stlc->fw_state == FW_STATE_RESET) - goto out; - - ints = stlc45xx_read32(stlc, SPI_ADRS_HOST_INTERRUPTS); - stlc45xx_debug(DEBUG_BH, "begin host_ints 0x%08x", ints); - - if (ints & SPI_HOST_INT_READY) { - stlc45xx_int_ready(stlc); - stlc45xx_int_ack(stlc, SPI_HOST_INT_READY); - } - - if (stlc->fw_state != FW_STATE_READY) - goto out; - - if (ints & SPI_HOST_INT_UPDATE) { - stlc45xx_int_ack(stlc, SPI_HOST_INT_UPDATE); - ret = stlc45xx_rx(stlc); - if (ret < 0) { - stlc45xx_reset(stlc); - goto out; - } - } - if (ints & SPI_HOST_INT_SW_UPDATE) { - stlc45xx_int_ack(stlc, SPI_HOST_INT_SW_UPDATE); - ret = stlc45xx_rx(stlc); - if (ret < 0) { - stlc45xx_reset(stlc); - goto out; - } - } - - ret = stlc45xx_wq_tx(stlc); - if (ret < 0) { - stlc45xx_reset(stlc); - goto out; - } - - ints = stlc45xx_read32(stlc, SPI_ADRS_HOST_INTERRUPTS); - stlc45xx_debug(DEBUG_BH, "end host_ints 0x%08x", ints); - -out: - mutex_unlock(&stlc->mutex); -} - -static void stlc45xx_tx_edcf(struct stlc45xx *stlc) -{ - struct s_lm_control *control; - struct s_lmo_edcf *edcf; - size_t len, edcf_len; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - edcf_len = sizeof(*edcf); - len = sizeof(*control) + edcf_len; - control = kzalloc(len, GFP_KERNEL); - edcf = (struct s_lmo_edcf *) (control + 1); - - control->flags = LM_FLAG_CONTROL | LM_CTRL_OPSET; - control->length = edcf_len; - control->oid = LM_OID_EDCF; - - edcf->slottime = 0x14; - edcf->sifs = 10; - edcf->eofpad = 6; - edcf->maxburst = 1500; - - edcf->queues[0].aifs = 2; - edcf->queues[0].pad0 = 1; - edcf->queues[0].cwmin = 3; - edcf->queues[0].cwmax = 7; - edcf->queues[0].txop = 47; - edcf->queues[1].aifs = 2; - edcf->queues[1].pad0 = 0; - edcf->queues[1].cwmin = 7; - edcf->queues[1].cwmax = 15; - edcf->queues[1].txop = 94; - edcf->queues[2].aifs = 3; - edcf->queues[2].pad0 = 0; - edcf->queues[2].cwmin = 15; - edcf->queues[2].cwmax = 1023; - edcf->queues[2].txop = 0; - edcf->queues[3].aifs = 7; - edcf->queues[3].pad0 = 0; - edcf->queues[3].cwmin = 15; - edcf->queues[3].cwmax = 1023; - edcf->queues[3].txop = 0; - edcf->queues[4].aifs = 13; - edcf->queues[4].pad0 = 99; - edcf->queues[4].cwmin = 3437; - edcf->queues[4].cwmax = 512; - edcf->queues[4].txop = 12; - edcf->queues[5].aifs = 142; - edcf->queues[5].pad0 = 109; - edcf->queues[5].cwmin = 8756; - edcf->queues[5].cwmax = 6; - edcf->queues[5].txop = 0; - edcf->queues[6].aifs = 4; - edcf->queues[6].pad0 = 0; - edcf->queues[6].cwmin = 0; - edcf->queues[6].cwmax = 58705; - edcf->queues[6].txop = 25716; - edcf->queues[7].aifs = 0; - edcf->queues[7].pad0 = 0; - edcf->queues[7].cwmin = 0; - edcf->queues[7].cwmax = 0; - edcf->queues[7].txop = 0; - - stlc45xx_tx_frame(stlc, FIRMWARE_CONFIG_START, control, len); - - kfree(control); -} - -static void stlc45xx_tx_setup(struct stlc45xx *stlc) -{ - struct s_lm_control *control; - struct s_lmo_setup *setup; - size_t len, setup_len; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - setup_len = sizeof(*setup); - len = sizeof(*control) + setup_len; - control = kzalloc(len, GFP_KERNEL); - setup = (struct s_lmo_setup *) (control + 1); - - control->flags = LM_FLAG_CONTROL | LM_CTRL_OPSET; - control->length = setup_len; - control->oid = LM_OID_SETUP; - - setup->flags = LM_SETUP_INFRA; - setup->antenna = 2; - setup->rx_align = 0; - setup->rx_buffer = FIRMWARE_RXBUFFER_START; - setup->rx_mtu = FIRMWARE_MTU; - setup->frontend = 5; - setup->timeout = 0; - setup->truncate = 48896; - setup->bratemask = 0xffffffff; - setup->ref_clock = 644245094; - setup->lpf_bandwidth = 65535; - setup->osc_start_delay = 65535; - - memcpy(setup->macaddr, stlc->mac_addr, ETH_ALEN); - memcpy(setup->bssid, stlc->bssid, ETH_ALEN); - - stlc45xx_tx_frame(stlc, FIRMWARE_CONFIG_START, control, len); - - kfree(control); -} - -static void stlc45xx_tx_scan(struct stlc45xx *stlc) -{ - struct s_lm_control *control; - struct s_lmo_scan *scan; - size_t len, scan_len; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - scan_len = sizeof(*scan); - len = sizeof(*control) + scan_len; - control = kzalloc(len, GFP_KERNEL); - scan = (struct s_lmo_scan *) (control + 1); - - control->flags = LM_FLAG_CONTROL | LM_CTRL_OPSET; - control->length = scan_len; - control->oid = LM_OID_SCAN; - - scan->flags = LM_SCAN_EXIT; - scan->bratemask = 0x15f; - scan->aloft[0] = 3; - scan->aloft[1] = 3; - scan->aloft[2] = 1; - scan->aloft[3] = 0; - scan->aloft[4] = 0; - scan->aloft[5] = 0; - scan->aloft[6] = 0; - scan->aloft[7] = 0; - - memcpy(&scan->rssical, &stlc->cal_rssi[(stlc->channel - 1) * - RSSI_CAL_LEN], - RSSI_CAL_LEN); - memcpy(&scan->channel, &stlc->cal_channels[(stlc->channel - 1) * - CHANNEL_CAL_LEN], - CHANNEL_CAL_LEN); - - stlc45xx_tx_frame(stlc, FIRMWARE_CONFIG_START, control, len); - - kfree(control); -} - -/* - * caller must hold mutex - */ -static int stlc45xx_tx_pspoll(struct stlc45xx *stlc, bool powersave) -{ - struct ieee80211_hdr *pspoll; - int payload_len, padding, i; - struct s_lm_data_out *data; - struct txbuffer *entry; - struct sk_buff *skb; - char *payload; - u16 fc; - - skb = dev_alloc_skb(stlc->hw->extra_tx_headroom + 16); - if (!skb) { - stlc45xx_warning("failed to allocate pspoll frame"); - return -ENOMEM; - } - skb_reserve(skb, stlc->hw->extra_tx_headroom); - - pspoll = (struct ieee80211_hdr *) skb_put(skb, 16); - memset(pspoll, 0, 16); - fc = IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL; - if (powersave) - fc |= IEEE80211_FCTL_PM; - pspoll->frame_control = cpu_to_le16(fc); - pspoll->duration_id = cpu_to_le16(stlc->aid); - - /* aid in PS-Poll has its two MSBs each set to 1 */ - pspoll->duration_id |= cpu_to_le16(1 << 15) | cpu_to_le16(1 << 14); - - memcpy(pspoll->addr1, stlc->bssid, ETH_ALEN); - memcpy(pspoll->addr2, stlc->mac_addr, ETH_ALEN); - - stlc45xx_debug(DEBUG_PSM, "sending PS-Poll frame to %pM (powersave %d, " - "fc 0x%x, aid %d)", pspoll->addr1, - powersave, fc, stlc->aid); - - spin_lock_bh(&stlc->tx_lock); - - entry = stlc45xx_txbuffer_alloc(stlc, skb->len); - - spin_unlock_bh(&stlc->tx_lock); - - if (!entry) { - /* - * The queue should be stopped before the firmware buffer - * is full, so firmware buffer should always have enough - * space. - * - * But I'm too lazy and omit it for now. - */ - if (net_ratelimit()) - stlc45xx_warning("firmware tx buffer full is full " - "for null frame"); - return -ENOSPC; - } - - payload = skb->data; - payload_len = skb->len; - padding = (int) (skb->data - sizeof(*data)) & 3; - entry->header_len = sizeof(*data) + padding; - - entry->skb = skb; - entry->status_needed = false; - entry->handle = (u32) skb; - entry->lifetime = jiffies + msecs_to_jiffies(TX_FRAME_LIFETIME); - - stlc45xx_debug(DEBUG_TX, "tx data 0x%x (0x%p payload %d B " - "padding %d header_len %d)", - entry->handle, payload, payload_len, padding, - entry->header_len); - stlc45xx_dump(DEBUG_TX_CONTENT, payload, payload_len); - - data = (struct s_lm_data_out *) skb_push(skb, entry->header_len); - - memset(data, 0, entry->header_len); - - if (padding) - data->flags = LM_FLAG_ALIGN; - - data->flags = LM_OUT_BURST; - data->length = payload_len; - data->handle = entry->handle; - data->aid = 1; - data->rts_retries = 7; - data->retries = 7; - data->aloft_ctrl = 0; - data->crypt_offset = 58; - data->keytype = 0; - data->keylen = 0; - data->queue = LM_QUEUE_DATA3; - data->backlog = 32; - data->antenna = 2; - data->cts = 3; - data->power = 127; - - for (i = 0; i < 8; i++) - data->aloft[i] = 0; - - /* - * check if there's enough space in tx buffer - * - * FIXME: ignored for now - */ - - stlc45xx_tx_frame(stlc, entry->start, skb->data, skb->len); - - list_add(&entry->tx_list, &stlc->tx_sent); - - return 0; -} - -/* - * caller must hold mutex - * - * shamelessly stolen from mac80211/ieee80211_send_nullfunc - */ -static int stlc45xx_tx_nullfunc(struct stlc45xx *stlc, bool powersave) -{ - struct ieee80211_hdr *nullfunc; - int payload_len, padding, i; - struct s_lm_data_out *data; - struct txbuffer *entry; - struct sk_buff *skb; - char *payload; - u16 fc; - - skb = dev_alloc_skb(stlc->hw->extra_tx_headroom + 24); - if (!skb) { - stlc45xx_warning("failed to allocate buffer for null frame\n"); - return -ENOMEM; - } - skb_reserve(skb, stlc->hw->extra_tx_headroom); - - nullfunc = (struct ieee80211_hdr *) skb_put(skb, 24); - memset(nullfunc, 0, 24); - fc = IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC | - IEEE80211_FCTL_TODS; - - if (powersave) - fc |= IEEE80211_FCTL_PM; - - nullfunc->frame_control = cpu_to_le16(fc); - memcpy(nullfunc->addr1, stlc->bssid, ETH_ALEN); - memcpy(nullfunc->addr2, stlc->mac_addr, ETH_ALEN); - memcpy(nullfunc->addr3, stlc->bssid, ETH_ALEN); - - stlc45xx_debug(DEBUG_PSM, "sending Null frame to %pM (powersave %d, " - "fc 0x%x)", nullfunc->addr1, powersave, fc); - - spin_lock_bh(&stlc->tx_lock); - - entry = stlc45xx_txbuffer_alloc(stlc, skb->len); - - spin_unlock_bh(&stlc->tx_lock); - - if (!entry) { - /* - * The queue should be stopped before the firmware buffer - * is full, so firmware buffer should always have enough - * space. - * - * But I'm too lazy and omit it for now. - */ - if (net_ratelimit()) - stlc45xx_warning("firmware tx buffer full is full " - "for null frame"); - return -ENOSPC; - } - - payload = skb->data; - payload_len = skb->len; - padding = (int) (skb->data - sizeof(*data)) & 3; - entry->header_len = sizeof(*data) + padding; - - entry->skb = skb; - entry->status_needed = false; - entry->handle = (u32) skb; - entry->lifetime = jiffies + msecs_to_jiffies(TX_FRAME_LIFETIME); - - stlc45xx_debug(DEBUG_TX, "tx data 0x%x (0x%p payload %d B " - "padding %d header_len %d)", - entry->handle, payload, payload_len, padding, - entry->header_len); - stlc45xx_dump(DEBUG_TX_CONTENT, payload, payload_len); - - data = (struct s_lm_data_out *) skb_push(skb, entry->header_len); - - memset(data, 0, entry->header_len); - - if (padding) - data->flags = LM_FLAG_ALIGN; - - data->flags = LM_OUT_BURST; - data->length = payload_len; - data->handle = entry->handle; - data->aid = 1; - data->rts_retries = 7; - data->retries = 7; - data->aloft_ctrl = 0; - data->crypt_offset = 58; - data->keytype = 0; - data->keylen = 0; - data->queue = LM_QUEUE_DATA3; - data->backlog = 32; - data->antenna = 2; - data->cts = 3; - data->power = 127; - - for (i = 0; i < 8; i++) - data->aloft[i] = 0; - - /* - * check if there's enough space in tx buffer - * - * FIXME: ignored for now - */ - - stlc45xx_tx_frame(stlc, entry->start, skb->data, skb->len); - - list_add(&entry->tx_list, &stlc->tx_sent); - - return 0; -} - -/* caller must hold mutex */ -static void stlc45xx_tx_psm(struct stlc45xx *stlc, bool enable) -{ - struct s_lm_control *control; - struct s_lmo_psm *psm; - size_t len, psm_len; - - WARN_ON(!stlc->associated); - WARN_ON(stlc->aid < 1); - WARN_ON(stlc->aid > 2007); - - psm_len = sizeof(*psm); - len = sizeof(*control) + psm_len; - control = kzalloc(len, GFP_KERNEL); - psm = (struct s_lmo_psm *) (control + 1); - - control->flags = LM_FLAG_CONTROL | LM_CTRL_OPSET; - control->length = psm_len; - control->oid = LM_OID_PSM; - - if (enable) - psm->flags |= LM_PSM; - - psm->aid = stlc->aid; - - psm->beacon_rcpi_skip_max = 60; - - psm->intervals[0].interval = 1; - psm->intervals[0].periods = 1; - psm->intervals[1].interval = 1; - psm->intervals[1].periods = 1; - psm->intervals[2].interval = 1; - psm->intervals[2].periods = 1; - psm->intervals[3].interval = 1; - psm->intervals[3].periods = 1; - - psm->nr = 0; - psm->exclude[0] = 0; - - stlc45xx_debug(DEBUG_PSM, "sending LM_OID_PSM (aid %d, interval %d)", - psm->aid, psm->intervals[0].interval); - - stlc45xx_tx_frame(stlc, FIRMWARE_CONFIG_START, control, len); - - kfree(control); -} - -static int stlc45xx_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) -{ - struct stlc45xx *stlc = hw->priv; - struct ieee80211_tx_info *info; - struct ieee80211_rate *rate; - int payload_len, padding, i; - struct s_lm_data_out *data; - struct txbuffer *entry; - char *payload; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - spin_lock_bh(&stlc->tx_lock); - - entry = stlc45xx_txbuffer_alloc(stlc, skb->len); - if (!entry) { - /* the queue should be stopped before the firmware buffer - * is full, so firmware buffer should always have enough - * space */ - if (net_ratelimit()) - stlc45xx_warning("firmware buffer full"); - spin_unlock_bh(&stlc->tx_lock); - return NETDEV_TX_BUSY; - } - - info = IEEE80211_SKB_CB(skb); - - payload = skb->data; - payload_len = skb->len; - padding = (int) (skb->data - sizeof(*data)) & 3; - entry->header_len = sizeof(*data) + padding; - - entry->skb = skb; - entry->status_needed = true; - entry->handle = (u32) skb; - entry->lifetime = jiffies + msecs_to_jiffies(TX_FRAME_LIFETIME); - - stlc45xx_debug(DEBUG_TX, "tx data 0x%x (0x%p payload %d B " - "padding %d header_len %d)", - entry->handle, payload, payload_len, padding, - entry->header_len); - stlc45xx_dump(DEBUG_TX_CONTENT, payload, payload_len); - - data = (struct s_lm_data_out *) skb_push(skb, entry->header_len); - - memset(data, 0, entry->header_len); - - if (padding) - data->flags = LM_FLAG_ALIGN; - - data->flags = LM_OUT_BURST; - data->length = payload_len; - data->handle = entry->handle; - data->aid = 1; - data->rts_retries = 7; - data->retries = 7; - data->aloft_ctrl = 0; - data->crypt_offset = 58; - data->keytype = 0; - data->keylen = 0; - data->queue = 2; - data->backlog = 32; - data->antenna = 2; - data->cts = 3; - data->power = 127; - - for (i = 0; i < 8; i++) { - rate = ieee80211_get_tx_rate(stlc->hw, info); - data->aloft[i] = rate->hw_value; - } - - list_add_tail(&entry->tx_list, &stlc->tx_pending); - - /* check if there's enough space in tx buffer */ - if (stlc45xx_txbuffer_find(stlc, MAX_FRAME_LEN) == -1) { - stlc45xx_debug(DEBUG_QUEUE, "tx buffer full, stopping queues"); - stlc->tx_queue_stopped = 1; - ieee80211_stop_queues(stlc->hw); - } - - queue_work(stlc->hw->workqueue, &stlc->work); - - spin_unlock_bh(&stlc->tx_lock); - - return NETDEV_TX_OK; -} - -static int stlc45xx_op_start(struct ieee80211_hw *hw) -{ - struct stlc45xx *stlc = hw->priv; - unsigned long timeout; - int ret = 0; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - mutex_lock(&stlc->mutex); - - stlc->fw_state = FW_STATE_BOOTING; - stlc->channel = 1; - - stlc45xx_power_on(stlc); - - ret = stlc45xx_upload_firmware(stlc); - if (ret < 0) { - stlc45xx_power_off(stlc); - goto out_unlock; - } - - stlc->tx_queue_stopped = 0; - - mutex_unlock(&stlc->mutex); - - timeout = msecs_to_jiffies(2000); - timeout = wait_for_completion_interruptible_timeout(&stlc->fw_comp, - timeout); - if (!timeout) { - stlc45xx_error("firmware boot failed"); - stlc45xx_power_off(stlc); - ret = -1; - goto out; - } - - stlc45xx_debug(DEBUG_BOOT, "firmware booted"); - - /* FIXME: should we take mutex just after wait_for_completion()? */ - mutex_lock(&stlc->mutex); - - WARN_ON(stlc->fw_state != FW_STATE_READY); - -out_unlock: - mutex_unlock(&stlc->mutex); - -out: - return ret; -} - -static void stlc45xx_op_stop(struct ieee80211_hw *hw) -{ - struct stlc45xx *stlc = hw->priv; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - mutex_lock(&stlc->mutex); - - WARN_ON(stlc->fw_state != FW_STATE_READY); - - stlc45xx_power_off(stlc); - - /* FIXME: make sure that all work_structs have completed */ - - spin_lock_bh(&stlc->tx_lock); - stlc45xx_flush_queues(stlc); - spin_unlock_bh(&stlc->tx_lock); - - stlc->fw_state = FW_STATE_OFF; - - mutex_unlock(&stlc->mutex); -} - -static int stlc45xx_op_add_interface(struct ieee80211_hw *hw, - struct ieee80211_if_init_conf *conf) -{ - struct stlc45xx *stlc = hw->priv; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - switch (conf->type) { - case NL80211_IFTYPE_STATION: - break; - default: - return -EOPNOTSUPP; - } - - memcpy(stlc->mac_addr, conf->mac_addr, ETH_ALEN); - - return 0; -} - -static void stlc45xx_op_remove_interface(struct ieee80211_hw *hw, - struct ieee80211_if_init_conf *conf) -{ - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); -} - -static int stlc45xx_op_config(struct ieee80211_hw *hw, u32 changed) -{ - struct stlc45xx *stlc = hw->priv; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - mutex_lock(&stlc->mutex); - - stlc->channel = hw->conf.channel->hw_value; - stlc45xx_tx_scan(stlc); - stlc45xx_tx_setup(stlc); - stlc45xx_tx_edcf(stlc); - - if ((hw->conf.flags & IEEE80211_CONF_PS) != stlc->psm) { - stlc->psm = hw->conf.flags & IEEE80211_CONF_PS; - if (stlc->associated) { - stlc45xx_tx_psm(stlc, stlc->psm); - stlc45xx_tx_nullfunc(stlc, stlc->psm); - } - } - - mutex_unlock(&stlc->mutex); - - return 0; -} - -static void stlc45xx_op_configure_filter(struct ieee80211_hw *hw, - unsigned int changed_flags, - unsigned int *total_flags, - int mc_count, - struct dev_addr_list *mc_list) -{ - *total_flags = 0; -} - -static void stlc45xx_op_bss_info_changed(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - struct ieee80211_bss_conf *info, - u32 changed) -{ - struct stlc45xx *stlc = hw->priv; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - mutex_lock(&stlc->mutex); - - memcpy(stlc->bssid, info->bssid, ETH_ALEN); - stlc45xx_tx_setup(stlc); - - mutex_unlock(&stlc->mutex); - - if (changed & BSS_CHANGED_ASSOC) { - stlc->associated = info->assoc; - if (info->assoc) - stlc->aid = info->aid; - else - stlc->aid = -1; - - if (stlc->psm) { - stlc45xx_tx_psm(stlc, stlc->psm); - stlc45xx_tx_nullfunc(stlc, stlc->psm); - } - } -} - - -/* can't be const, mac80211 writes to this */ -static struct ieee80211_rate stlc45xx_rates[] = { - { .bitrate = 10, .hw_value = 0, .hw_value_short = 0, }, - { .bitrate = 20, .hw_value = 1, .hw_value_short = 1, }, - { .bitrate = 55, .hw_value = 2, .hw_value_short = 2, }, - { .bitrate = 110, .hw_value = 3, .hw_value_short = 3, }, - { .bitrate = 60, .hw_value = 4, .hw_value_short = 4, }, - { .bitrate = 90, .hw_value = 5, .hw_value_short = 5, }, - { .bitrate = 120, .hw_value = 6, .hw_value_short = 6, }, - { .bitrate = 180, .hw_value = 7, .hw_value_short = 7, }, - { .bitrate = 240, .hw_value = 8, .hw_value_short = 8, }, - { .bitrate = 360, .hw_value = 9, .hw_value_short = 9, }, - { .bitrate = 480, .hw_value = 10, .hw_value_short = 10, }, - { .bitrate = 540, .hw_value = 11, .hw_value_short = 11, }, -}; - -/* can't be const, mac80211 writes to this */ -static struct ieee80211_channel stlc45xx_channels[] = { - { .hw_value = 1, .center_freq = 2412}, - { .hw_value = 2, .center_freq = 2417}, - { .hw_value = 3, .center_freq = 2422}, - { .hw_value = 4, .center_freq = 2427}, - { .hw_value = 5, .center_freq = 2432}, - { .hw_value = 6, .center_freq = 2437}, - { .hw_value = 7, .center_freq = 2442}, - { .hw_value = 8, .center_freq = 2447}, - { .hw_value = 9, .center_freq = 2452}, - { .hw_value = 10, .center_freq = 2457}, - { .hw_value = 11, .center_freq = 2462}, - { .hw_value = 12, .center_freq = 2467}, - { .hw_value = 13, .center_freq = 2472}, -}; - -/* can't be const, mac80211 writes to this */ -static struct ieee80211_supported_band stlc45xx_band_2ghz = { - .channels = stlc45xx_channels, - .n_channels = ARRAY_SIZE(stlc45xx_channels), - .bitrates = stlc45xx_rates, - .n_bitrates = ARRAY_SIZE(stlc45xx_rates), -}; - -static const struct ieee80211_ops stlc45xx_ops = { - .start = stlc45xx_op_start, - .stop = stlc45xx_op_stop, - .add_interface = stlc45xx_op_add_interface, - .remove_interface = stlc45xx_op_remove_interface, - .config = stlc45xx_op_config, - .configure_filter = stlc45xx_op_configure_filter, - .tx = stlc45xx_op_tx, - .bss_info_changed = stlc45xx_op_bss_info_changed, -}; - -static int stlc45xx_register_mac80211(struct stlc45xx *stlc) -{ - /* FIXME: SET_IEEE80211_PERM_ADDR() requires default_mac_addr - to be non-const for some strange reason */ - static u8 default_mac_addr[ETH_ALEN] = { - 0x00, 0x02, 0xee, 0xc0, 0xff, 0xee - }; - int ret; - - SET_IEEE80211_PERM_ADDR(stlc->hw, default_mac_addr); - - ret = ieee80211_register_hw(stlc->hw); - if (ret) { - stlc45xx_error("unable to register mac80211 hw: %d", ret); - return ret; - } - - return 0; -} - -static void stlc45xx_device_release(struct device *dev) -{ - -} - -static struct platform_device stlc45xx_device = { - .name = "stlc45xx", - .id = -1, - - /* device model insists to have a release function */ - .dev = { - .release = stlc45xx_device_release, - }, -}; - -static int __devinit stlc45xx_probe(struct spi_device *spi) -{ - struct stlc45xx *stlc; - struct ieee80211_hw *hw; - int ret; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - /* mac80211 alloc */ - hw = ieee80211_alloc_hw(sizeof(*stlc), &stlc45xx_ops); - if (!hw) { - stlc45xx_error("could not alloc ieee80211_hw"); - ret = -ENOMEM; - goto out; - } - - /* mac80211 clears hw->priv */ - stlc = hw->priv; - - stlc->hw = hw; - dev_set_drvdata(&spi->dev, stlc); - stlc->spi = spi; - - spi->bits_per_word = 16; - spi->max_speed_hz = 24000000; - - ret = spi_setup(spi); - if (ret < 0) - stlc45xx_error("spi_setup failed"); - - ret = gpio_request(stlc45xx_gpio_power, "stlc45xx power"); - if (ret < 0) { - stlc45xx_error("power GPIO request failed: %d", ret); - return ret; - } - - ret = gpio_request(stlc45xx_gpio_irq, "stlc45xx irq"); - if (ret < 0) { - stlc45xx_error("irq GPIO request failed: %d", ret); - goto out; - } - - gpio_direction_output(stlc45xx_gpio_power, 0); - gpio_direction_input(stlc45xx_gpio_irq); - - ret = request_irq(gpio_to_irq(stlc45xx_gpio_irq), - stlc45xx_interrupt, IRQF_DISABLED, "stlc45xx", - stlc->spi); - if (ret < 0) - /* FIXME: handle the error */ - stlc45xx_error("request_irq() failed"); - - set_irq_type(gpio_to_irq(stlc45xx_gpio_irq), - IRQ_TYPE_EDGE_RISING); - - disable_irq(gpio_to_irq(stlc45xx_gpio_irq)); - - ret = platform_device_register(&stlc45xx_device); - if (ret) { - stlc45xx_error("Couldn't register wlan_omap device."); - return ret; - } - dev_set_drvdata(&stlc45xx_device.dev, stlc); - - INIT_WORK(&stlc->work, stlc45xx_work); - INIT_WORK(&stlc->work_reset, stlc45xx_work_reset); - INIT_DELAYED_WORK(&stlc->work_tx_timeout, stlc45xx_work_tx_timeout); - mutex_init(&stlc->mutex); - init_completion(&stlc->fw_comp); - spin_lock_init(&stlc->tx_lock); - INIT_LIST_HEAD(&stlc->txbuffer); - INIT_LIST_HEAD(&stlc->tx_pending); - INIT_LIST_HEAD(&stlc->tx_sent); - - hw->flags = IEEE80211_HW_RX_INCLUDES_FCS | - IEEE80211_HW_SIGNAL_DBM | - IEEE80211_HW_NOISE_DBM; - /* four bytes for padding */ - hw->extra_tx_headroom = sizeof(struct s_lm_data_out) + 4; - - /* unit us */ - hw->channel_change_time = 1000; - - hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); - hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &stlc45xx_band_2ghz; - - SET_IEEE80211_DEV(hw, &spi->dev); - - BUILD_BUG_ON(sizeof(default_cal_rssi) != RSSI_CAL_ARRAY_LEN); - BUILD_BUG_ON(sizeof(default_cal_channels) != CHANNEL_CAL_ARRAY_LEN); - - stlc->cal_rssi = kmemdup(default_cal_rssi, RSSI_CAL_ARRAY_LEN, - GFP_KERNEL); - stlc->cal_channels = kmemdup(default_cal_channels, - CHANNEL_CAL_ARRAY_LEN, - GFP_KERNEL); - - ret = device_create_file(&stlc45xx_device.dev, &dev_attr_cal_rssi); - if (ret < 0) { - stlc45xx_error("failed to create sysfs file cal_rssi"); - goto out; - } - - ret = device_create_file(&stlc45xx_device.dev, &dev_attr_cal_channels); - if (ret < 0) { - stlc45xx_error("failed to create sysfs file cal_channels"); - goto out; - } - - ret = device_create_file(&stlc45xx_device.dev, &dev_attr_tx_buf); - if (ret < 0) { - stlc45xx_error("failed to create sysfs file tx_buf"); - goto out; - } - - ret = stlc45xx_register_mac80211(stlc); - if (ret < 0) - goto out; - - stlc45xx_info("v" DRIVER_VERSION " loaded"); - - stlc45xx_info("config buffer 0x%x-0x%x", - FIRMWARE_CONFIG_START, FIRMWARE_CONFIG_END); - stlc45xx_info("tx 0x%x-0x%x, rx 0x%x-0x%x", - FIRMWARE_TXBUFFER_START, FIRMWARE_TXBUFFER_END, - FIRMWARE_RXBUFFER_START, FIRMWARE_RXBUFFER_END); - -out: - return ret; -} - -static int __devexit stlc45xx_remove(struct spi_device *spi) -{ - struct stlc45xx *stlc = dev_get_drvdata(&spi->dev); - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - platform_device_unregister(&stlc45xx_device); - - ieee80211_unregister_hw(stlc->hw); - - free_irq(gpio_to_irq(stlc45xx_gpio_irq), spi); - - gpio_free(stlc45xx_gpio_power); - gpio_free(stlc45xx_gpio_irq); - - /* FIXME: free cal_channels and cal_rssi? */ - - kfree(stlc->fw); - - mutex_destroy(&stlc->mutex); - - /* frees also stlc */ - ieee80211_free_hw(stlc->hw); - stlc = NULL; - - return 0; -} - - -static struct spi_driver stlc45xx_spi_driver = { - .driver = { - /* use cx3110x name because board-n800.c uses that for the - * SPI port */ - .name = "cx3110x", - .bus = &spi_bus_type, - .owner = THIS_MODULE, - }, - - .probe = stlc45xx_probe, - .remove = __devexit_p(stlc45xx_remove), -}; - -static int __init stlc45xx_init(void) -{ - int ret; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - ret = spi_register_driver(&stlc45xx_spi_driver); - if (ret < 0) { - stlc45xx_error("failed to register SPI driver: %d", ret); - goto out; - } - -out: - return ret; -} - -static void __exit stlc45xx_exit(void) -{ - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - spi_unregister_driver(&stlc45xx_spi_driver); - - stlc45xx_info("unloaded"); -} - -module_init(stlc45xx_init); -module_exit(stlc45xx_exit); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Kalle Valo <kalle.valo@nokia.com>"); -MODULE_ALIAS("spi:cx3110x"); diff --git a/drivers/staging/stlc45xx/stlc45xx.h b/drivers/staging/stlc45xx/stlc45xx.h deleted file mode 100644 index ac96bbbde79..00000000000 --- a/drivers/staging/stlc45xx/stlc45xx.h +++ /dev/null @@ -1,283 +0,0 @@ -/* - * This file is part of stlc45xx - * - * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies). - * - * Contact: Kalle Valo <kalle.valo@nokia.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - * - */ - -#include <linux/mutex.h> -#include <linux/list.h> -#include <net/mac80211.h> - -#include "stlc45xx_lmac.h" - -#define DRIVER_NAME "stlc45xx" -#define DRIVER_VERSION "0.1.3" - -#define DRIVER_PREFIX DRIVER_NAME ": " - -enum { - DEBUG_NONE = 0, - DEBUG_FUNC = 1 << 0, - DEBUG_IRQ = 1 << 1, - DEBUG_BH = 1 << 2, - DEBUG_RX = 1 << 3, - DEBUG_RX_CONTENT = 1 << 5, - DEBUG_TX = 1 << 6, - DEBUG_TX_CONTENT = 1 << 8, - DEBUG_TXBUFFER = 1 << 9, - DEBUG_QUEUE = 1 << 10, - DEBUG_BOOT = 1 << 11, - DEBUG_PSM = 1 << 12, - DEBUG_ALL = ~0, -}; - -#define DEBUG_LEVEL DEBUG_NONE -/* #define DEBUG_LEVEL DEBUG_ALL */ -/* #define DEBUG_LEVEL (DEBUG_TX | DEBUG_RX | DEBUG_IRQ) */ -/* #define DEBUG_LEVEL (DEBUG_TX | DEBUG_MEMREGION | DEBUG_QUEUE) */ -/* #define DEBUG_LEVEL (DEBUG_MEMREGION | DEBUG_QUEUE) */ - -#define stlc45xx_error(fmt, arg...) \ - printk(KERN_ERR DRIVER_PREFIX "ERROR " fmt "\n", ##arg) - -#define stlc45xx_warning(fmt, arg...) \ - printk(KERN_WARNING DRIVER_PREFIX "WARNING " fmt "\n", ##arg) - -#define stlc45xx_info(fmt, arg...) \ - printk(KERN_INFO DRIVER_PREFIX fmt "\n", ##arg) - -#define stlc45xx_debug(level, fmt, arg...) \ - do { \ - if (level & DEBUG_LEVEL) \ - printk(KERN_DEBUG DRIVER_PREFIX fmt "\n", ##arg); \ - } while (0) - -#define stlc45xx_dump(level, buf, len) \ - do { \ - if (level & DEBUG_LEVEL) \ - print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_OFFSET, \ - 16, 1, buf, len, 1); \ - } while (0) - -#define MAC2STR(a) ((a)[0], (a)[1], (a)[2], (a)[3], (a)[4], (a)[5]) -#define MACSTR "%02x:%02x:%02x:%02x:%02x:%02x" - -/* Bit 15 is read/write bit; ON = READ, OFF = WRITE */ -#define ADDR_READ_BIT_15 0x8000 - -#define SPI_ADRS_ARM_INTERRUPTS 0x00 -#define SPI_ADRS_ARM_INT_EN 0x04 - -#define SPI_ADRS_HOST_INTERRUPTS 0x08 -#define SPI_ADRS_HOST_INT_EN 0x0c -#define SPI_ADRS_HOST_INT_ACK 0x10 - -#define SPI_ADRS_GEN_PURP_1 0x14 -#define SPI_ADRS_GEN_PURP_2 0x18 - -/* high word */ -#define SPI_ADRS_DEV_CTRL_STAT 0x26 - -#define SPI_ADRS_DMA_DATA 0x28 - -#define SPI_ADRS_DMA_WRITE_CTRL 0x2c -#define SPI_ADRS_DMA_WRITE_LEN 0x2e -#define SPI_ADRS_DMA_WRITE_BASE 0x30 - -#define SPI_ADRS_DMA_READ_CTRL 0x34 -#define SPI_ADRS_DMA_READ_LEN 0x36 -#define SPI_ADRS_DMA_READ_BASE 0x38 - -#define SPI_CTRL_STAT_HOST_OVERRIDE 0x8000 -#define SPI_CTRL_STAT_START_HALTED 0x4000 -#define SPI_CTRL_STAT_RAM_BOOT 0x2000 -#define SPI_CTRL_STAT_HOST_RESET 0x1000 -#define SPI_CTRL_STAT_HOST_CPU_EN 0x0800 - -#define SPI_DMA_WRITE_CTRL_ENABLE 0x0001 -#define SPI_DMA_READ_CTRL_ENABLE 0x0001 -#define HOST_ALLOWED (1 << 7) - -#define FIRMWARE_ADDRESS 0x20000 - -#define SPI_TIMEOUT 100 /* msec */ - -#define SPI_MAX_TX_PACKETS 32 - -#define SPI_MAX_PACKET_SIZE 32767 - -#define SPI_TARGET_INT_WAKEUP 0x00000001 -#define SPI_TARGET_INT_SLEEP 0x00000002 -#define SPI_TARGET_INT_RDDONE 0x00000004 - -#define SPI_TARGET_INT_CTS 0x00004000 -#define SPI_TARGET_INT_DR 0x00008000 - -#define SPI_HOST_INT_READY 0x00000001 -#define SPI_HOST_INT_WR_READY 0x00000002 -#define SPI_HOST_INT_SW_UPDATE 0x00000004 -#define SPI_HOST_INT_UPDATE 0x10000000 - -/* clear to send */ -#define SPI_HOST_INT_CTS 0x00004000 - -/* data ready */ -#define SPI_HOST_INT_DR 0x00008000 - -#define SPI_HOST_INTS_DEFAULT \ - (SPI_HOST_INT_READY | SPI_HOST_INT_UPDATE | SPI_HOST_INT_SW_UPDATE) - -#define TARGET_BOOT_SLEEP 50 - -/* The firmware buffer is divided into three areas: - * - * o config area (for control commands) - * o tx buffer - * o rx buffer - */ -#define FIRMWARE_BUFFER_START 0x20200 -#define FIRMWARE_BUFFER_END 0x27c60 -#define FIRMWARE_BUFFER_LEN (FIRMWARE_BUFFER_END - FIRMWARE_BUFFER_START) -#define FIRMWARE_MTU 3240 -#define FIRMWARE_CONFIG_PAYLOAD_LEN 1024 -#define FIRMWARE_CONFIG_START FIRMWARE_BUFFER_START -#define FIRMWARE_CONFIG_LEN (sizeof(struct s_lm_control) + \ - FIRMWARE_CONFIG_PAYLOAD_LEN) -#define FIRMWARE_CONFIG_END (FIRMWARE_CONFIG_START + FIRMWARE_CONFIG_LEN - 1) -#define FIRMWARE_RXBUFFER_LEN (5 * FIRMWARE_MTU + 1024) -#define FIRMWARE_RXBUFFER_START (FIRMWARE_BUFFER_END - FIRMWARE_RXBUFFER_LEN) -#define FIRMWARE_RXBUFFER_END (FIRMWARE_RXBUFFER_START + \ - FIRMWARE_RXBUFFER_LEN - 1) -#define FIRMWARE_TXBUFFER_START (FIRMWARE_BUFFER_START + FIRMWARE_CONFIG_LEN) -#define FIRMWARE_TXBUFFER_LEN (FIRMWARE_BUFFER_LEN - FIRMWARE_CONFIG_LEN - \ - FIRMWARE_RXBUFFER_LEN) -#define FIRMWARE_TXBUFFER_END (FIRMWARE_TXBUFFER_START + \ - FIRMWARE_TXBUFFER_LEN - 1) - -#define FIRMWARE_TXBUFFER_HEADER 100 -#define FIRMWARE_TXBUFFER_TRAILER 4 - -/* FIXME: come up with a proper value */ -#define MAX_FRAME_LEN 2500 - -/* unit is ms */ -#define TX_FRAME_LIFETIME 2000 -#define TX_TIMEOUT 4000 - -#define SUPPORTED_CHANNELS 13 - -/* FIXME */ -/* #define CHANNEL_CAL_LEN offsetof(struct s_lmo_scan, bratemask) - \ */ -/* offsetof(struct s_lmo_scan, channel) */ -#define CHANNEL_CAL_LEN 292 -#define CHANNEL_CAL_ARRAY_LEN (SUPPORTED_CHANNELS * CHANNEL_CAL_LEN) -/* FIXME */ -/* #define RSSI_CAL_LEN sizeof(struct s_lmo_scan) - \ */ -/* offsetof(struct s_lmo_scan, rssical) */ -#define RSSI_CAL_LEN 8 -#define RSSI_CAL_ARRAY_LEN (SUPPORTED_CHANNELS * RSSI_CAL_LEN) - -struct s_dma_regs { - unsigned short cmd; - unsigned short len; - unsigned long addr; -}; - -struct stlc45xx_ie_tim { - u8 dtim_count; - u8 dtim_period; - u8 bmap_control; - u8 pvbmap[251]; -}; - -struct txbuffer { - /* can be removed when switched to skb queue */ - struct list_head tx_list; - - struct list_head buffer_list; - - int start; - int frame_start; - int end; - - struct sk_buff *skb; - u32 handle; - - bool status_needed; - - int header_len; - - /* unit jiffies */ - unsigned long lifetime; -}; - -enum fw_state { - FW_STATE_OFF, - FW_STATE_BOOTING, - FW_STATE_READY, - FW_STATE_RESET, - FW_STATE_RESETTING, -}; - -struct stlc45xx { - struct ieee80211_hw *hw; - struct spi_device *spi; - struct work_struct work; - struct work_struct work_reset; - struct delayed_work work_tx_timeout; - struct mutex mutex; - struct completion fw_comp; - - - u8 bssid[ETH_ALEN]; - u8 mac_addr[ETH_ALEN]; - int channel; - - u8 *cal_rssi; - u8 *cal_channels; - - enum fw_state fw_state; - - spinlock_t tx_lock; - - /* protected by tx_lock */ - struct list_head txbuffer; - - /* protected by tx_lock */ - struct list_head tx_pending; - - /* protected by tx_lock */ - int tx_queue_stopped; - - /* protected by mutex */ - struct list_head tx_sent; - - int tx_frames; - - u8 *fw; - int fw_len; - - bool psm; - bool associated; - int aid; - bool pspolling; -}; - - diff --git a/drivers/staging/stlc45xx/stlc45xx_lmac.h b/drivers/staging/stlc45xx/stlc45xx_lmac.h deleted file mode 100644 index af5db801347..00000000000 --- a/drivers/staging/stlc45xx/stlc45xx_lmac.h +++ /dev/null @@ -1,434 +0,0 @@ -/************************************************************************ -* This is the LMAC API interface header file for STLC4560. * -* Copyright (C) 2007 Conexant Systems, Inc. * -* This program is free software; you can redistribute it and/or * -* modify it under the terms of the GNU General Public License * -* as published by the Free Software Foundation; either version 2 * -* of the License, or (at your option) any later version. * -* * -* This program is distributed in the hope that it will be useful, * -* but WITHOUT ANY WARRANTY; without even the implied warranty of * -* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * -* GNU General Public License for more details. * -* * -* You should have received a copy of the GNU General Public License * -* along with this program. If not, see <http://www.gnu.org/licenses/>.* -*************************************************************************/ - -#ifndef __lmac_h__ -#define __lmac_h__ - -#define LM_TOP_VARIANT 0x0506 -#define LM_BOTTOM_VARIANT 0x0506 - -/* - * LMAC - UMAC interface definition: - */ - -#define LM_FLAG_CONTROL 0x8000 -#define LM_FLAG_ALIGN 0x4000 - -#define LM_CTRL_OPSET 0x0001 - -#define LM_OUT_PROMISC 0x0001 -#define LM_OUT_TIMESTAMP 0x0002 -#define LM_OUT_SEQNR 0x0004 -#define LM_OUT_BURST 0x0010 -#define LM_OUT_NOCANCEL 0x0020 -#define LM_OUT_CLEARTIM 0x0040 -#define LM_OUT_HITCHHIKE 0x0080 -#define LM_OUT_COMPRESS 0x0100 -#define LM_OUT_CONCAT 0x0200 -#define LM_OUT_PCS_ACCEPT 0x0400 -#define LM_OUT_WAITEOSP 0x0800 - - -#define LM_ALOFT_SP 0x10 -#define LM_ALOFT_CTS 0x20 -#define LM_ALOFT_RTS 0x40 -#define LM_ALOFT_MASK 0x1f -#define LM_ALOFT_RATE 0x0f - -#define LM_IN_FCS_GOOD 0x0001 -#define LM_IN_MATCH_MAC 0x0002 -#define LM_IN_MCBC 0x0004 -#define LM_IN_BEACON 0x0008 -#define LM_IN_MATCH_BSS 0x0010 -#define LM_IN_BCAST_BSS 0x0020 -#define LM_IN_DATA 0x0040 -#define LM_IN_TRUNCATED 0x0080 - -#define LM_IN_TRANSPARENT 0x0200 - -#define LM_QUEUE_BEACON 0 -#define LM_QUEUE_SCAN 1 -#define LM_QUEUE_MGT 2 -#define LM_QUEUE_MCBC 3 -#define LM_QUEUE_DATA 4 -#define LM_QUEUE_DATA0 4 -#define LM_QUEUE_DATA1 5 -#define LM_QUEUE_DATA2 6 -#define LM_QUEUE_DATA3 7 - -#define LM_SETUP_INFRA 0x0001 -#define LM_SETUP_IBSS 0x0002 -#define LM_SETUP_TRANSPARENT 0x0008 -#define LM_SETUP_PROMISCUOUS 0x0010 -#define LM_SETUP_HIBERNATE 0x0020 -#define LM_SETUP_NOACK 0x0040 -#define LM_SETUP_RX_DISABLED 0x0080 - -#define LM_ANTENNA_0 0 -#define LM_ANTENNA_1 1 -#define LM_ANTENNA_DIVERSITY 2 - -#define LM_TX_FAILED 0x0001 -#define LM_TX_PSM 0x0002 -#define LM_TX_PSM_CANCELLED 0x0004 - -#define LM_SCAN_EXIT 0x0001 -#define LM_SCAN_TRAP 0x0002 -#define LM_SCAN_ACTIVE 0x0004 -#define LM_SCAN_FILTER 0x0008 - -#define LM_PSM 0x0001 -#define LM_PSM_DTIM 0x0002 -#define LM_PSM_MCBC 0x0004 -#define LM_PSM_CHECKSUM 0x0008 -#define LM_PSM_SKIP_MORE_DATA 0x0010 -#define LM_PSM_BEACON_TIMEOUT 0x0020 -#define LM_PSM_HFOSLEEP 0x0040 -#define LM_PSM_AUTOSWITCH_SLEEP 0x0080 -#define LM_PSM_LPIT 0x0100 -#define LM_PSM_BF_UCAST_SKIP 0x0200 -#define LM_PSM_BF_MCAST_SKIP 0x0400 - -/* hfosleep */ -#define LM_PSM_SLEEP_OPTION_MASK (LM_PSM_AUTOSWITCH_SLEEP | LM_PSM_HFOSLEEP) -#define LM_PSM_SLEEP_OPTION_SHIFT 6 -/* hfosleepend */ -#define LM_PSM_BF_OPTION_MASK (LM_PSM_BF_MCAST_SKIP | LM_PSM_BF_UCAST_SKIP) -#define LM_PSM_BF_OPTION_SHIFT 9 - - -#define LM_PRIVACC_WEP 0x01 -#define LM_PRIVACC_TKIP 0x02 -#define LM_PRIVACC_MICHAEL 0x04 -#define LM_PRIVACC_CCX_KP 0x08 -#define LM_PRIVACC_CCX_MIC 0x10 -#define LM_PRIVACC_AES_CCMP 0x20 - -/* size of s_lm_descr in words */ -#define LM_DESCR_SIZE_WORDS 11 - -#ifndef __ASSEMBLER__ - -enum { - LM_MODE_CLIENT = 0, - LM_MODE_AP -}; - -struct s_lm_descr { - uint16_t modes; - uint16_t flags; - uint32_t buffer_start; - uint32_t buffer_end; - uint8_t header; - uint8_t trailer; - uint8_t tx_queues; - uint8_t tx_depth; - uint8_t privacy; - uint8_t rx_keycache; - uint8_t tim_size; - uint8_t pad1; - uint8_t rates[16]; - uint32_t link; - uint16_t mtu; -}; - - -struct s_lm_control { - uint16_t flags; - uint16_t length; - uint32_t handle; - uint16_t oid; - uint16_t pad; - /* uint8_t data[]; */ -}; - -enum { - LM_PRIV_NONE = 0, - LM_PRIV_WEP, - LM_PRIV_TKIP, - LM_PRIV_TKIPMICHAEL, - LM_PRIV_CCX_WEPMIC, - LM_PRIV_CCX_KPMIC, - LM_PRIV_CCX_KP, - LM_PRIV_AES_CCMP -}; - -enum { - LM_DECRYPT_NONE, - LM_DECRYPT_OK, - LM_DECRYPT_NOKEY, - LM_DECRYPT_NOMICHAEL, - LM_DECRYPT_NOCKIPMIC, - LM_DECRYPT_FAIL_WEP, - LM_DECRYPT_FAIL_TKIP, - LM_DECRYPT_FAIL_MICHAEL, - LM_DECRYPT_FAIL_CKIPKP, - LM_DECRYPT_FAIL_CKIPMIC, - LM_DECRYPT_FAIL_AESCCMP -}; - -struct s_lm_data_out { - uint16_t flags; - uint16_t length; - uint32_t handle; - uint16_t aid; - uint8_t rts_retries; - uint8_t retries; - uint8_t aloft[8]; - uint8_t aloft_ctrl; - uint8_t crypt_offset; - uint8_t keytype; - uint8_t keylen; - uint8_t key[16]; - uint8_t queue; - uint8_t backlog; - uint16_t durations[4]; - uint8_t antenna; - uint8_t cts; - int16_t power; - uint8_t pad[2]; - /*uint8_t data[];*/ -}; - -#define LM_RCPI_INVALID (0xff) - -struct s_lm_data_in { - uint16_t flags; - uint16_t length; - uint16_t frequency; - uint8_t antenna; - uint8_t rate; - uint8_t rcpi; - uint8_t sq; - uint8_t decrypt; - uint8_t rssi_raw; - uint32_t clock[2]; - /*uint8_t data[];*/ -}; - -union u_lm_data { - struct s_lm_data_out out; - struct s_lm_data_in in; -}; - -enum { - LM_OID_SETUP = 0, - LM_OID_SCAN = 1, - LM_OID_TRAP = 2, - LM_OID_EDCF = 3, - LM_OID_KEYCACHE = 4, - LM_OID_PSM = 6, - LM_OID_TXCANCEL = 7, - LM_OID_TX = 8, - LM_OID_BURST = 9, - LM_OID_STATS = 10, - LM_OID_LED = 13, - LM_OID_TIMER = 15, - LM_OID_NAV = 20, - LM_OID_PCS = 22, - LM_OID_BT_BALANCER = 28, - LM_OID_GROUP_ADDRESS_TABLE = 30, - LM_OID_ARPTABLE = 31, - LM_OID_BT_OPTIONS = 35 -}; - -enum { - LM_FRONTEND_UNKNOWN = 0, - LM_FRONTEND_DUETTE3, - LM_FRONTEND_DUETTE2, - LM_FRONTEND_FRISBEE, - LM_FRONTEND_CROSSBOW, - LM_FRONTEND_LONGBOW -}; - - -#define INVALID_LPF_BANDWIDTH 0xffff -#define INVALID_OSC_START_DELAY 0xffff - -struct s_lmo_setup { - uint16_t flags; - uint8_t macaddr[6]; - uint8_t bssid[6]; - uint8_t antenna; - uint8_t rx_align; - uint32_t rx_buffer; - uint16_t rx_mtu; - uint16_t frontend; - uint16_t timeout; - uint16_t truncate; - uint32_t bratemask; - uint8_t sbss_offset; - uint8_t mcast_window; - uint8_t rx_rssi_threshold; - uint8_t rx_ed_threshold; - uint32_t ref_clock; - uint16_t lpf_bandwidth; - uint16_t osc_start_delay; -}; - - -struct s_lmo_scan { - uint16_t flags; - uint16_t dwell; - uint8_t channel[292]; - uint32_t bratemask; - uint8_t aloft[8]; - uint8_t rssical[8]; -}; - - -enum { - LM_TRAP_SCAN = 0, - LM_TRAP_TIMER, - LM_TRAP_BEACON_TX, - LM_TRAP_FAA_RADIO_ON, - LM_TRAP_FAA_RADIO_OFF, - LM_TRAP_RADAR, - LM_TRAP_NO_BEACON, - LM_TRAP_TBTT, - LM_TRAP_SCO_ENTER, - LM_TRAP_SCO_EXIT -}; - -struct s_lmo_trap { - uint16_t event; - uint16_t frequency; -}; - -struct s_lmo_timer { - uint32_t interval; -}; - -struct s_lmo_nav { - uint32_t period; -}; - - -struct s_lmo_edcf_queue; - -struct s_lmo_edcf { - uint8_t flags; - uint8_t slottime; - uint8_t sifs; - uint8_t eofpad; - struct s_lmo_edcf_queue { - uint8_t aifs; - uint8_t pad0; - uint16_t cwmin; - uint16_t cwmax; - uint16_t txop; - } queues[8]; - uint8_t mapping[4]; - uint16_t maxburst; - uint16_t round_trip_delay; -}; - -struct s_lmo_keycache { - uint8_t entry; - uint8_t keyid; - uint8_t address[6]; - uint8_t pad[2]; - uint8_t keytype; - uint8_t keylen; - uint8_t key[24]; -}; - - -struct s_lm_interval; - -struct s_lmo_psm { - uint16_t flags; - uint16_t aid; - struct s_lm_interval { - uint16_t interval; - uint16_t periods; - } intervals[4]; - /* uint16_t pad; */ - uint8_t beacon_rcpi_skip_max; - uint8_t rcpi_delta_threshold; - uint8_t nr; - uint8_t exclude[1]; -}; - -#define MC_FILTER_ADDRESS_NUM 4 - -struct s_lmo_group_address_table { - uint16_t filter_enable; - uint16_t num_address; - uint8_t macaddr_list[MC_FILTER_ADDRESS_NUM][6]; -}; - -struct s_lmo_txcancel { - uint32_t address[1]; -}; - - -struct s_lmo_tx { - uint8_t flags; - uint8_t retries; - uint8_t rcpi; - uint8_t sq; - uint16_t seqctrl; - uint8_t antenna; - uint8_t pad; -}; - -struct s_lmo_burst { - uint8_t flags; - uint8_t queue; - uint8_t backlog; - uint8_t pad; - uint16_t durations[32]; -}; - -struct s_lmo_stats { - uint32_t valid; - uint32_t fcs; - uint32_t abort; - uint32_t phyabort; - uint32_t rts_success; - uint32_t rts_fail; - uint32_t timestamp; - uint32_t time_tx; - uint32_t noisefloor; - uint32_t sample_noise[8]; - uint32_t sample_cca; - uint32_t sample_tx; -}; - - -struct s_lmo_led { - uint16_t flags; - uint16_t mask[2]; - uint16_t delay/*[2]*/; -}; - - -struct s_lmo_bt_balancer { - uint16_t prio_thresh; - uint16_t acl_thresh; -}; - - -struct s_lmo_arp_table { - uint16_t filter_enable; - uint32_t ipaddr; -}; - -#endif /* __ASSEMBLER__ */ - -#endif /* __lmac_h__ */ diff --git a/drivers/staging/vme/bridges/vme_ca91cx42.c b/drivers/staging/vme/bridges/vme_ca91cx42.c index 3d2a84c4582..e139eaeaa17 100644 --- a/drivers/staging/vme/bridges/vme_ca91cx42.c +++ b/drivers/staging/vme/bridges/vme_ca91cx42.c @@ -25,6 +25,7 @@ #include <linux/poll.h> #include <linux/interrupt.h> #include <linux/spinlock.h> +#include <linux/sched.h> #include <asm/time.h> #include <asm/io.h> #include <asm/uaccess.h> diff --git a/drivers/staging/vme/bridges/vme_tsi148.c b/drivers/staging/vme/bridges/vme_tsi148.c index 8960fa9ee7a..00fe0803c21 100644 --- a/drivers/staging/vme/bridges/vme_tsi148.c +++ b/drivers/staging/vme/bridges/vme_tsi148.c @@ -25,6 +25,7 @@ #include <linux/dma-mapping.h> #include <linux/interrupt.h> #include <linux/spinlock.h> +#include <linux/sched.h> #include <asm/time.h> #include <asm/io.h> #include <asm/uaccess.h> diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c index 7f96bcaf1c6..05186110c02 100644 --- a/drivers/staging/vt6656/main_usb.c +++ b/drivers/staging/vt6656/main_usb.c @@ -1332,7 +1332,6 @@ device_release_WPADEV(pDevice); free_netdev(pDevice->dev); } - kfree(pDevice); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "device_disconnect3.. \n"); } diff --git a/drivers/staging/winbond/Kconfig b/drivers/staging/winbond/Kconfig index 940460c39f3..132671d96d0 100644 --- a/drivers/staging/winbond/Kconfig +++ b/drivers/staging/winbond/Kconfig @@ -1,6 +1,6 @@ config W35UND tristate "IS89C35 WLAN USB driver" - depends on MAC80211 && WLAN_80211 && USB && EXPERIMENTAL + depends on MAC80211 && WLAN && USB && EXPERIMENTAL default n ---help--- This is highly experimental driver for Winbond WIFI card. diff --git a/drivers/staging/winbond/wbusb.c b/drivers/staging/winbond/wbusb.c index 8950724f168..067082a7d75 100644 --- a/drivers/staging/winbond/wbusb.c +++ b/drivers/staging/winbond/wbusb.c @@ -51,10 +51,26 @@ static struct ieee80211_supported_band wbsoft_band_2GHz = { .n_bitrates = ARRAY_SIZE(wbsoft_rates), }; +static void hal_set_beacon_period(struct hw_data *pHwData, u16 beacon_period) +{ + u32 tmp; + + if (pHwData->SurpriseRemove) + return; + + pHwData->BeaconPeriod = beacon_period; + tmp = pHwData->BeaconPeriod << 16; + tmp |= pHwData->ProbeDelay; + Wb35Reg_Write(pHwData, 0x0848, tmp); +} + static int wbsoft_add_interface(struct ieee80211_hw *dev, struct ieee80211_if_init_conf *conf) { - printk("wbsoft_add interface called\n"); + struct wbsoft_priv *priv = dev->priv; + + hal_set_beacon_period(&priv->sHwData, conf->vif->bss_conf.beacon_int); + return 0; } @@ -83,10 +99,16 @@ static int wbsoft_get_tx_stats(struct ieee80211_hw *hw, return 0; } +static u64 wbsoft_prepare_multicast(struct ieee80211_hw *hw, int mc_count, + struct dev_addr_list *mc_list) +{ + return mc_count; +} + static void wbsoft_configure_filter(struct ieee80211_hw *dev, unsigned int changed_flags, unsigned int *total_flags, - int mc_count, struct dev_mc_list *mclist) + u64 multicast) { unsigned int new_flags; @@ -94,7 +116,7 @@ static void wbsoft_configure_filter(struct ieee80211_hw *dev, if (*total_flags & FIF_PROMISC_IN_BSS) new_flags |= FIF_PROMISC_IN_BSS; - else if ((*total_flags & FIF_ALLMULTI) || (mc_count > 32)) + else if ((*total_flags & FIF_ALLMULTI) || (multicast > 32)) new_flags |= FIF_ALLMULTI; dev->flags &= ~IEEE80211_HW_RX_INCLUDES_FCS; @@ -138,19 +160,6 @@ static void hal_set_radio_mode(struct hw_data *pHwData, unsigned char radio_off) Wb35Reg_Write(pHwData, 0x0824, reg->M24_MacControl); } -static void hal_set_beacon_period(struct hw_data *pHwData, u16 beacon_period) -{ - u32 tmp; - - if (pHwData->SurpriseRemove) - return; - - pHwData->BeaconPeriod = beacon_period; - tmp = pHwData->BeaconPeriod << 16; - tmp |= pHwData->ProbeDelay; - Wb35Reg_Write(pHwData, 0x0848, tmp); -} - static void hal_set_current_channel_ex(struct hw_data *pHwData, ChanInfo channel) { @@ -244,7 +253,6 @@ static void hal_set_accept_beacon(struct hw_data *pHwData, u8 enable) static int wbsoft_config(struct ieee80211_hw *dev, u32 changed) { struct wbsoft_priv *priv = dev->priv; - struct ieee80211_conf *conf = &dev->conf; ChanInfo ch; printk("wbsoft_config called\n"); @@ -254,7 +262,6 @@ static int wbsoft_config(struct ieee80211_hw *dev, u32 changed) ch.ChanNo = 1; hal_set_current_channel(&priv->sHwData, ch); - hal_set_beacon_period(&priv->sHwData, conf->beacon_int); hal_set_accept_broadcast(&priv->sHwData, 1); hal_set_accept_promiscuous(&priv->sHwData, 1); hal_set_accept_multicast(&priv->sHwData, 1); @@ -277,6 +284,7 @@ static const struct ieee80211_ops wbsoft_ops = { .add_interface = wbsoft_add_interface, .remove_interface = wbsoft_remove_interface, .config = wbsoft_config, + .prepare_multicast = wbsoft_prepare_multicast, .configure_filter = wbsoft_configure_filter, .get_stats = wbsoft_get_stats, .get_tx_stats = wbsoft_get_tx_stats, diff --git a/drivers/staging/wlan-ng/Kconfig b/drivers/staging/wlan-ng/Kconfig index 9959b658c8c..f44294b0d8d 100644 --- a/drivers/staging/wlan-ng/Kconfig +++ b/drivers/staging/wlan-ng/Kconfig @@ -1,6 +1,6 @@ config PRISM2_USB tristate "Prism2.5/3 USB driver" - depends on WLAN_80211 && USB && WIRELESS_EXT + depends on WLAN && USB && WIRELESS_EXT default n ---help--- This is the wlan-ng prism 2.5/3 USB driver for a wide range of |