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-rw-r--r--drivers/net/wireless/zd1211rw/Makefile2
-rw-r--r--drivers/net/wireless/zd1211rw/zd_chip.c93
-rw-r--r--drivers/net/wireless/zd1211rw/zd_chip.h16
-rw-r--r--drivers/net/wireless/zd1211rw/zd_mac.c59
-rw-r--r--drivers/net/wireless/zd1211rw/zd_mac.h3
-rw-r--r--drivers/net/wireless/zd1211rw/zd_rf.c24
-rw-r--r--drivers/net/wireless/zd1211rw/zd_rf.h30
-rw-r--r--drivers/net/wireless/zd1211rw/zd_rf_al2230.c13
-rw-r--r--drivers/net/wireless/zd1211rw/zd_rf_al7230b.c3
-rw-r--r--drivers/net/wireless/zd1211rw/zd_rf_rf2959.c2
-rw-r--r--drivers/net/wireless/zd1211rw/zd_rf_uw2453.c534
-rw-r--r--drivers/net/wireless/zd1211rw/zd_usb.c103
-rw-r--r--drivers/net/wireless/zd1211rw/zd_usb.h3
13 files changed, 741 insertions, 144 deletions
diff --git a/drivers/net/wireless/zd1211rw/Makefile b/drivers/net/wireless/zd1211rw/Makefile
index 6603ad5be63..4d505903352 100644
--- a/drivers/net/wireless/zd1211rw/Makefile
+++ b/drivers/net/wireless/zd1211rw/Makefile
@@ -3,7 +3,7 @@ obj-$(CONFIG_ZD1211RW) += zd1211rw.o
zd1211rw-objs := zd_chip.o zd_ieee80211.o \
zd_mac.o zd_netdev.o \
zd_rf_al2230.o zd_rf_rf2959.o \
- zd_rf_al7230b.o \
+ zd_rf_al7230b.o zd_rf_uw2453.o \
zd_rf.o zd_usb.o zd_util.o
ifeq ($(CONFIG_ZD1211RW_DEBUG),y)
diff --git a/drivers/net/wireless/zd1211rw/zd_chip.c b/drivers/net/wireless/zd1211rw/zd_chip.c
index 95b4a2a2670..c39f1984b84 100644
--- a/drivers/net/wireless/zd1211rw/zd_chip.c
+++ b/drivers/net/wireless/zd1211rw/zd_chip.c
@@ -49,8 +49,9 @@ void zd_chip_clear(struct zd_chip *chip)
ZD_MEMCLEAR(chip, sizeof(*chip));
}
-static int scnprint_mac_oui(const u8 *addr, char *buffer, size_t size)
+static int scnprint_mac_oui(struct zd_chip *chip, char *buffer, size_t size)
{
+ u8 *addr = zd_usb_to_netdev(&chip->usb)->dev_addr;
return scnprintf(buffer, size, "%02x-%02x-%02x",
addr[0], addr[1], addr[2]);
}
@@ -61,10 +62,10 @@ static int scnprint_id(struct zd_chip *chip, char *buffer, size_t size)
int i = 0;
i = scnprintf(buffer, size, "zd1211%s chip ",
- chip->is_zd1211b ? "b" : "");
+ zd_chip_is_zd1211b(chip) ? "b" : "");
i += zd_usb_scnprint_id(&chip->usb, buffer+i, size-i);
i += scnprintf(buffer+i, size-i, " ");
- i += scnprint_mac_oui(chip->e2p_mac, buffer+i, size-i);
+ i += scnprint_mac_oui(chip, buffer+i, size-i);
i += scnprintf(buffer+i, size-i, " ");
i += zd_rf_scnprint_id(&chip->rf, buffer+i, size-i);
i += scnprintf(buffer+i, size-i, " pa%1x %c%c%c%c%c", chip->pa_type,
@@ -366,64 +367,9 @@ error:
return r;
}
-static int _read_mac_addr(struct zd_chip *chip, u8 *mac_addr,
- const zd_addr_t *addr)
-{
- int r;
- u32 parts[2];
-
- r = zd_ioread32v_locked(chip, parts, (const zd_addr_t *)addr, 2);
- if (r) {
- dev_dbg_f(zd_chip_dev(chip),
- "error: couldn't read e2p macs. Error number %d\n", r);
- return r;
- }
-
- mac_addr[0] = parts[0];
- mac_addr[1] = parts[0] >> 8;
- mac_addr[2] = parts[0] >> 16;
- mac_addr[3] = parts[0] >> 24;
- mac_addr[4] = parts[1];
- mac_addr[5] = parts[1] >> 8;
-
- return 0;
-}
-
-static int read_e2p_mac_addr(struct zd_chip *chip)
-{
- static const zd_addr_t addr[2] = { E2P_MAC_ADDR_P1, E2P_MAC_ADDR_P2 };
-
- ZD_ASSERT(mutex_is_locked(&chip->mutex));
- return _read_mac_addr(chip, chip->e2p_mac, (const zd_addr_t *)addr);
-}
-
/* MAC address: if custom mac addresses are to to be used CR_MAC_ADDR_P1 and
* CR_MAC_ADDR_P2 must be overwritten
*/
-void zd_get_e2p_mac_addr(struct zd_chip *chip, u8 *mac_addr)
-{
- mutex_lock(&chip->mutex);
- memcpy(mac_addr, chip->e2p_mac, ETH_ALEN);
- mutex_unlock(&chip->mutex);
-}
-
-static int read_mac_addr(struct zd_chip *chip, u8 *mac_addr)
-{
- static const zd_addr_t addr[2] = { CR_MAC_ADDR_P1, CR_MAC_ADDR_P2 };
- return _read_mac_addr(chip, mac_addr, (const zd_addr_t *)addr);
-}
-
-int zd_read_mac_addr(struct zd_chip *chip, u8 *mac_addr)
-{
- int r;
-
- dev_dbg_f(zd_chip_dev(chip), "\n");
- mutex_lock(&chip->mutex);
- r = read_mac_addr(chip, mac_addr);
- mutex_unlock(&chip->mutex);
- return r;
-}
-
int zd_write_mac_addr(struct zd_chip *chip, const u8 *mac_addr)
{
int r;
@@ -444,12 +390,6 @@ int zd_write_mac_addr(struct zd_chip *chip, const u8 *mac_addr)
mutex_lock(&chip->mutex);
r = zd_iowrite32a_locked(chip, reqs, ARRAY_SIZE(reqs));
-#ifdef DEBUG
- {
- u8 tmp[ETH_ALEN];
- read_mac_addr(chip, tmp);
- }
-#endif /* DEBUG */
mutex_unlock(&chip->mutex);
return r;
}
@@ -809,7 +749,7 @@ out:
static int hw_reset_phy(struct zd_chip *chip)
{
- return chip->is_zd1211b ? zd1211b_hw_reset_phy(chip) :
+ return zd_chip_is_zd1211b(chip) ? zd1211b_hw_reset_phy(chip) :
zd1211_hw_reset_phy(chip);
}
@@ -874,7 +814,7 @@ static int hw_init_hmac(struct zd_chip *chip)
if (r)
return r;
- return chip->is_zd1211b ?
+ return zd_chip_is_zd1211b(chip) ?
zd1211b_hw_init_hmac(chip) : zd1211_hw_init_hmac(chip);
}
@@ -1136,8 +1076,15 @@ static int read_fw_regs_offset(struct zd_chip *chip)
return 0;
}
+/* Read mac address using pre-firmware interface */
+int zd_chip_read_mac_addr_fw(struct zd_chip *chip, u8 *addr)
+{
+ dev_dbg_f(zd_chip_dev(chip), "\n");
+ return zd_usb_read_fw(&chip->usb, E2P_MAC_ADDR_P1, addr,
+ ETH_ALEN);
+}
-int zd_chip_init_hw(struct zd_chip *chip, u8 device_type)
+int zd_chip_init_hw(struct zd_chip *chip)
{
int r;
u8 rf_type;
@@ -1145,7 +1092,6 @@ int zd_chip_init_hw(struct zd_chip *chip, u8 device_type)
dev_dbg_f(zd_chip_dev(chip), "\n");
mutex_lock(&chip->mutex);
- chip->is_zd1211b = (device_type == DEVICE_ZD1211B) != 0;
#ifdef DEBUG
r = test_init(chip);
@@ -1201,10 +1147,6 @@ int zd_chip_init_hw(struct zd_chip *chip, u8 device_type)
goto out;
#endif /* DEBUG */
- r = read_e2p_mac_addr(chip);
- if (r)
- goto out;
-
r = read_cal_int_tables(chip);
if (r)
goto out;
@@ -1253,10 +1195,13 @@ static int update_channel_integration_and_calibration(struct zd_chip *chip,
{
int r;
+ if (!zd_rf_should_update_pwr_int(&chip->rf))
+ return 0;
+
r = update_pwr_int(chip, channel);
if (r)
return r;
- if (chip->is_zd1211b) {
+ if (zd_chip_is_zd1211b(chip)) {
static const struct zd_ioreq16 ioreqs[] = {
{ CR69, 0x28 },
{},
@@ -1283,7 +1228,7 @@ static int patch_cck_gain(struct zd_chip *chip)
int r;
u32 value;
- if (!chip->patch_cck_gain)
+ if (!chip->patch_cck_gain || !zd_rf_should_patch_cck_gain(&chip->rf))
return 0;
ZD_ASSERT(mutex_is_locked(&chip->mutex));
diff --git a/drivers/net/wireless/zd1211rw/zd_chip.h b/drivers/net/wireless/zd1211rw/zd_chip.h
index ce0a5f6da0d..f4698576ab7 100644
--- a/drivers/net/wireless/zd1211rw/zd_chip.h
+++ b/drivers/net/wireless/zd1211rw/zd_chip.h
@@ -608,6 +608,9 @@ enum {
#define CR_ZD1211B_TXOP CTL_REG(0x0b20)
#define CR_ZD1211B_RETRY_MAX CTL_REG(0x0b28)
+/* Used to detect PLL lock */
+#define UW2453_INTR_REG ((zd_addr_t)0x85c1)
+
#define CWIN_SIZE 0x007f043f
@@ -701,7 +704,6 @@ struct zd_chip {
struct mutex mutex;
/* Base address of FW_REG_ registers */
zd_addr_t fw_regs_base;
- u8 e2p_mac[ETH_ALEN];
/* EepSetPoint in the vendor driver */
u8 pwr_cal_values[E2P_CHANNEL_COUNT];
/* integration values in the vendor driver */
@@ -712,7 +714,7 @@ struct zd_chip {
unsigned int pa_type:4,
patch_cck_gain:1, patch_cr157:1, patch_6m_band_edge:1,
new_phy_layout:1, al2230s_bit:1,
- is_zd1211b:1, supports_tx_led:1;
+ supports_tx_led:1;
};
static inline struct zd_chip *zd_usb_to_chip(struct zd_usb *usb)
@@ -731,9 +733,15 @@ void zd_chip_init(struct zd_chip *chip,
struct net_device *netdev,
struct usb_interface *intf);
void zd_chip_clear(struct zd_chip *chip);
-int zd_chip_init_hw(struct zd_chip *chip, u8 device_type);
+int zd_chip_read_mac_addr_fw(struct zd_chip *chip, u8 *addr);
+int zd_chip_init_hw(struct zd_chip *chip);
int zd_chip_reset(struct zd_chip *chip);
+static inline int zd_chip_is_zd1211b(struct zd_chip *chip)
+{
+ return chip->usb.is_zd1211b;
+}
+
static inline int zd_ioread16v_locked(struct zd_chip *chip, u16 *values,
const zd_addr_t *addresses,
unsigned int count)
@@ -822,8 +830,6 @@ static inline u8 _zd_chip_get_channel(struct zd_chip *chip)
}
u8 zd_chip_get_channel(struct zd_chip *chip);
int zd_read_regdomain(struct zd_chip *chip, u8 *regdomain);
-void zd_get_e2p_mac_addr(struct zd_chip *chip, u8 *mac_addr);
-int zd_read_mac_addr(struct zd_chip *chip, u8 *mac_addr);
int zd_write_mac_addr(struct zd_chip *chip, const u8 *mac_addr);
int zd_chip_switch_radio_on(struct zd_chip *chip);
int zd_chip_switch_radio_off(struct zd_chip *chip);
diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c
index 6753d240c16..f6c487aa824 100644
--- a/drivers/net/wireless/zd1211rw/zd_mac.c
+++ b/drivers/net/wireless/zd1211rw/zd_mac.c
@@ -86,38 +86,46 @@ out:
return r;
}
-int zd_mac_init_hw(struct zd_mac *mac, u8 device_type)
+int zd_mac_preinit_hw(struct zd_mac *mac)
{
int r;
- struct zd_chip *chip = &mac->chip;
u8 addr[ETH_ALEN];
+
+ r = zd_chip_read_mac_addr_fw(&mac->chip, addr);
+ if (r)
+ return r;
+
+ memcpy(mac->netdev->dev_addr, addr, ETH_ALEN);
+ return 0;
+}
+
+int zd_mac_init_hw(struct zd_mac *mac)
+{
+ int r;
+ struct zd_chip *chip = &mac->chip;
u8 default_regdomain;
r = zd_chip_enable_int(chip);
if (r)
goto out;
- r = zd_chip_init_hw(chip, device_type);
+ r = zd_chip_init_hw(chip);
if (r)
goto disable_int;
- zd_get_e2p_mac_addr(chip, addr);
- r = zd_write_mac_addr(chip, addr);
- if (r)
- goto disable_int;
ZD_ASSERT(!irqs_disabled());
- spin_lock_irq(&mac->lock);
- memcpy(mac->netdev->dev_addr, addr, ETH_ALEN);
- spin_unlock_irq(&mac->lock);
r = zd_read_regdomain(chip, &default_regdomain);
if (r)
goto disable_int;
if (!zd_regdomain_supported(default_regdomain)) {
- dev_dbg_f(zd_mac_dev(mac),
- "Regulatory Domain %#04x is not supported.\n",
- default_regdomain);
- r = -EINVAL;
- goto disable_int;
+ /* The vendor driver overrides the regulatory domain and
+ * allowed channel registers and unconditionally restricts
+ * available channels to 1-11 everywhere. Match their
+ * questionable behaviour only for regdomains which we don't
+ * recognise. */
+ dev_warn(zd_mac_dev(mac), "Unrecognised regulatory domain: "
+ "%#04x. Defaulting to FCC.\n", default_regdomain);
+ default_regdomain = ZD_REGDOMAIN_FCC;
}
spin_lock_irq(&mac->lock);
mac->regdomain = mac->default_regdomain = default_regdomain;
@@ -164,14 +172,25 @@ int zd_mac_open(struct net_device *netdev)
{
struct zd_mac *mac = zd_netdev_mac(netdev);
struct zd_chip *chip = &mac->chip;
+ struct zd_usb *usb = &chip->usb;
int r;
+ if (!usb->initialized) {
+ r = zd_usb_init_hw(usb);
+ if (r)
+ goto out;
+ }
+
tasklet_enable(&mac->rx_tasklet);
r = zd_chip_enable_int(chip);
if (r < 0)
goto out;
+ r = zd_write_mac_addr(chip, netdev->dev_addr);
+ if (r)
+ goto disable_int;
+
r = zd_chip_set_basic_rates(chip, CR_RATES_80211B | CR_RATES_80211G);
if (r < 0)
goto disable_int;
@@ -251,9 +270,11 @@ int zd_mac_set_mac_address(struct net_device *netdev, void *p)
dev_dbg_f(zd_mac_dev(mac),
"Setting MAC to " MAC_FMT "\n", MAC_ARG(addr->sa_data));
- r = zd_write_mac_addr(chip, addr->sa_data);
- if (r)
- return r;
+ if (netdev->flags & IFF_UP) {
+ r = zd_write_mac_addr(chip, addr->sa_data);
+ if (r)
+ return r;
+ }
spin_lock_irqsave(&mac->lock, flags);
memcpy(netdev->dev_addr, addr->sa_data, ETH_ALEN);
@@ -855,7 +876,7 @@ static int fill_ctrlset(struct zd_mac *mac,
/* ZD1211B: Computing the length difference this way, gives us
* flexibility to compute the packet length.
*/
- cs->packet_length = cpu_to_le16(mac->chip.is_zd1211b ?
+ cs->packet_length = cpu_to_le16(zd_chip_is_zd1211b(&mac->chip) ?
packet_length - frag_len : packet_length);
/*
diff --git a/drivers/net/wireless/zd1211rw/zd_mac.h b/drivers/net/wireless/zd1211rw/zd_mac.h
index faf4c7828d4..9f9344eb50f 100644
--- a/drivers/net/wireless/zd1211rw/zd_mac.h
+++ b/drivers/net/wireless/zd1211rw/zd_mac.h
@@ -189,7 +189,8 @@ int zd_mac_init(struct zd_mac *mac,
struct usb_interface *intf);
void zd_mac_clear(struct zd_mac *mac);
-int zd_mac_init_hw(struct zd_mac *mac, u8 device_type);
+int zd_mac_preinit_hw(struct zd_mac *mac);
+int zd_mac_init_hw(struct zd_mac *mac);
int zd_mac_open(struct net_device *netdev);
int zd_mac_stop(struct net_device *netdev);
diff --git a/drivers/net/wireless/zd1211rw/zd_rf.c b/drivers/net/wireless/zd1211rw/zd_rf.c
index 549c23bcd6c..abe5d38f7f4 100644
--- a/drivers/net/wireless/zd1211rw/zd_rf.c
+++ b/drivers/net/wireless/zd1211rw/zd_rf.c
@@ -34,7 +34,7 @@ static const char * const rfs[] = {
[AL2210_RF] = "AL2210_RF",
[MAXIM_NEW_RF] = "MAXIM_NEW_RF",
[UW2453_RF] = "UW2453_RF",
- [UNKNOWN_A_RF] = "UNKNOWN_A_RF",
+ [AL2230S_RF] = "AL2230S_RF",
[RALINK_RF] = "RALINK_RF",
[INTERSIL_RF] = "INTERSIL_RF",
[RF2959_RF] = "RF2959_RF",
@@ -52,34 +52,39 @@ const char *zd_rf_name(u8 type)
void zd_rf_init(struct zd_rf *rf)
{
memset(rf, 0, sizeof(*rf));
+
+ /* default to update channel integration, as almost all RF's do want
+ * this */
+ rf->update_channel_int = 1;
}
void zd_rf_clear(struct zd_rf *rf)
{
+ if (rf->clear)
+ rf->clear(rf);
ZD_MEMCLEAR(rf, sizeof(*rf));
}
int zd_rf_init_hw(struct zd_rf *rf, u8 type)
{
- int r, t;
+ int r = 0;
+ int t;
struct zd_chip *chip = zd_rf_to_chip(rf);
ZD_ASSERT(mutex_is_locked(&chip->mutex));
switch (type) {
case RF2959_RF:
r = zd_rf_init_rf2959(rf);
- if (r)
- return r;
break;
case AL2230_RF:
+ case AL2230S_RF:
r = zd_rf_init_al2230(rf);
- if (r)
- return r;
break;
case AL7230B_RF:
r = zd_rf_init_al7230b(rf);
- if (r)
- return r;
+ break;
+ case UW2453_RF:
+ r = zd_rf_init_uw2453(rf);
break;
default:
dev_err(zd_chip_dev(chip),
@@ -88,6 +93,9 @@ int zd_rf_init_hw(struct zd_rf *rf, u8 type)
return -ENODEV;
}
+ if (r)
+ return r;
+
rf->type = type;
r = zd_chip_lock_phy_regs(chip);
diff --git a/drivers/net/wireless/zd1211rw/zd_rf.h b/drivers/net/wireless/zd1211rw/zd_rf.h
index aa9cc105ce6..30502f26b71 100644
--- a/drivers/net/wireless/zd1211rw/zd_rf.h
+++ b/drivers/net/wireless/zd1211rw/zd_rf.h
@@ -26,7 +26,7 @@
#define AL2210_RF 0x7
#define MAXIM_NEW_RF 0x8
#define UW2453_RF 0x9
-#define UNKNOWN_A_RF 0xa
+#define AL2230S_RF 0xa
#define RALINK_RF 0xb
#define INTERSIL_RF 0xc
#define RF2959_RF 0xd
@@ -48,12 +48,26 @@ struct zd_rf {
u8 channel;
+ /* whether channel integration and calibration should be updated
+ * defaults to 1 (yes) */
+ u8 update_channel_int:1;
+
+ /* whether CR47 should be patched from the EEPROM, if the appropriate
+ * flag is set in the POD. The vendor driver suggests that this should
+ * be done for all RF's, but a bug in their code prevents but their
+ * HW_OverWritePhyRegFromE2P() routine from ever taking effect. */
+ u8 patch_cck_gain:1;
+
+ /* private RF driver data */
+ void *priv;
+
/* RF-specific functions */
int (*init_hw)(struct zd_rf *rf);
int (*set_channel)(struct zd_rf *rf, u8 channel);
int (*switch_radio_on)(struct zd_rf *rf);
int (*switch_radio_off)(struct zd_rf *rf);
int (*patch_6m_band_edge)(struct zd_rf *rf, u8 channel);
+ void (*clear)(struct zd_rf *rf);
};
const char *zd_rf_name(u8 type);
@@ -71,10 +85,24 @@ int zd_switch_radio_off(struct zd_rf *rf);
int zd_rf_patch_6m_band_edge(struct zd_rf *rf, u8 channel);
int zd_rf_generic_patch_6m(struct zd_rf *rf, u8 channel);
+static inline int zd_rf_should_update_pwr_int(struct zd_rf *rf)
+{
+ return rf->update_channel_int;
+}
+
+static inline int zd_rf_should_patch_cck_gain(struct zd_rf *rf)
+{
+ return rf->patch_cck_gain;
+}
+
+int zd_rf_patch_6m_band_edge(struct zd_rf *rf, u8 channel);
+int zd_rf_generic_patch_6m(struct zd_rf *rf, u8 channel);
+
/* Functions for individual RF chips */
int zd_rf_init_rf2959(struct zd_rf *rf);
int zd_rf_init_al2230(struct zd_rf *rf);
int zd_rf_init_al7230b(struct zd_rf *rf);
+int zd_rf_init_uw2453(struct zd_rf *rf);
#endif /* _ZD_RF_H */
diff --git a/drivers/net/wireless/zd1211rw/zd_rf_al2230.c b/drivers/net/wireless/zd1211rw/zd_rf_al2230.c
index 511392acfed..006774de320 100644
--- a/drivers/net/wireless/zd1211rw/zd_rf_al2230.c
+++ b/drivers/net/wireless/zd1211rw/zd_rf_al2230.c
@@ -21,6 +21,8 @@
#include "zd_usb.h"
#include "zd_chip.h"
+#define IS_AL2230S(chip) ((chip)->al2230s_bit || (chip)->rf.type == AL2230S_RF)
+
static const u32 zd1211_al2230_table[][3] = {
RF_CHANNEL( 1) = { 0x03f790, 0x033331, 0x00000d, },
RF_CHANNEL( 2) = { 0x03f790, 0x0b3331, 0x00000d, },
@@ -176,7 +178,7 @@ static int zd1211_al2230_init_hw(struct zd_rf *rf)
if (r)
return r;
- if (chip->al2230s_bit) {
+ if (IS_AL2230S(chip)) {
r = zd_iowrite16a_locked(chip, ioreqs_init_al2230s,
ARRAY_SIZE(ioreqs_init_al2230s));
if (r)
@@ -188,7 +190,7 @@ static int zd1211_al2230_init_hw(struct zd_rf *rf)
return r;
/* improve band edge for AL2230S */
- if (chip->al2230s_bit)
+ if (IS_AL2230S(chip))
r = zd_rfwrite_locked(chip, 0x000824, RF_RV_BITS);
else
r = zd_rfwrite_locked(chip, 0x0005a4, RF_RV_BITS);
@@ -314,7 +316,7 @@ static int zd1211b_al2230_init_hw(struct zd_rf *rf)
if (r)
return r;
- if (chip->al2230s_bit) {
+ if (IS_AL2230S(chip)) {
r = zd_iowrite16a_locked(chip, ioreqs_init_al2230s,
ARRAY_SIZE(ioreqs_init_al2230s));
if (r)
@@ -328,7 +330,7 @@ static int zd1211b_al2230_init_hw(struct zd_rf *rf)
if (r)
return r;
- if (chip->al2230s_bit)
+ if (IS_AL2230S(chip))
r = zd_rfwrite_locked(chip, 0x241000, RF_RV_BITS);
else
r = zd_rfwrite_locked(chip, 0x25a000, RF_RV_BITS);
@@ -422,7 +424,7 @@ int zd_rf_init_al2230(struct zd_rf *rf)
struct zd_chip *chip = zd_rf_to_chip(rf);
rf->switch_radio_off = al2230_switch_radio_off;
- if (chip->is_zd1211b) {
+ if (zd_chip_is_zd1211b(chip)) {
rf->init_hw = zd1211b_al2230_init_hw;
rf->set_channel = zd1211b_al2230_set_channel;
rf->switch_radio_on = zd1211b_al2230_switch_radio_on;
@@ -432,5 +434,6 @@ int zd_rf_init_al2230(struct zd_rf *rf)
rf->switch_radio_on = zd1211_al2230_switch_radio_on;
}
rf->patch_6m_band_edge = zd_rf_generic_patch_6m;
+ rf->patch_cck_gain = 1;
return 0;
}
diff --git a/drivers/net/wireless/zd1211rw/zd_rf_al7230b.c b/drivers/net/wireless/zd1211rw/zd_rf_al7230b.c
index 5e5e9ddc6a7..73d0bb26f81 100644
--- a/drivers/net/wireless/zd1211rw/zd_rf_al7230b.c
+++ b/drivers/net/wireless/zd1211rw/zd_rf_al7230b.c
@@ -473,7 +473,7 @@ int zd_rf_init_al7230b(struct zd_rf *rf)
{
struct zd_chip *chip = zd_rf_to_chip(rf);
- if (chip->is_zd1211b) {
+ if (zd_chip_is_zd1211b(chip)) {
rf->init_hw = zd1211b_al7230b_init_hw;
rf->switch_radio_on = zd1211b_al7230b_switch_radio_on;
rf->set_channel = zd1211b_al7230b_set_channel;
@@ -483,6 +483,7 @@ int zd_rf_init_al7230b(struct zd_rf *rf)
rf->switch_radio_on = zd1211_al7230b_switch_radio_on;
rf->set_channel = zd1211_al7230b_set_channel;
rf->patch_6m_band_edge = zd_rf_generic_patch_6m;
+ rf->patch_cck_gain = 1;
}
rf->switch_radio_off = al7230b_switch_radio_off;
diff --git a/drivers/net/wireless/zd1211rw/zd_rf_rf2959.c b/drivers/net/wireless/zd1211rw/zd_rf_rf2959.c
index 2d736bdf707..cc70d40684e 100644
--- a/drivers/net/wireless/zd1211rw/zd_rf_rf2959.c
+++ b/drivers/net/wireless/zd1211rw/zd_rf_rf2959.c
@@ -265,7 +265,7 @@ int zd_rf_init_rf2959(struct zd_rf *rf)
{
struct zd_chip *chip = zd_rf_to_chip(rf);
- if (chip->is_zd1211b) {
+ if (zd_chip_is_zd1211b(chip)) {
dev_err(zd_chip_dev(chip),
"RF2959 is currently not supported for ZD1211B"
" devices\n");
diff --git a/drivers/net/wireless/zd1211rw/zd_rf_uw2453.c b/drivers/net/wireless/zd1211rw/zd_rf_uw2453.c
new file mode 100644
index 00000000000..857dcf3eae6
--- /dev/null
+++ b/drivers/net/wireless/zd1211rw/zd_rf_uw2453.c
@@ -0,0 +1,534 @@
+/* zd_rf_uw2453.c: Functions for the UW2453 RF controller
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/kernel.h>
+
+#include "zd_rf.h"
+#include "zd_usb.h"
+#include "zd_chip.h"
+
+/* This RF programming code is based upon the code found in v2.16.0.0 of the
+ * ZyDAS vendor driver. Unlike other RF's, Ubec publish full technical specs
+ * for this RF on their website, so we're able to understand more than
+ * usual as to what is going on. Thumbs up for Ubec for doing that. */
+
+/* The 3-wire serial interface provides access to 8 write-only registers.
+ * The data format is a 4 bit register address followed by a 20 bit value. */
+#define UW2453_REGWRITE(reg, val) ((((reg) & 0xf) << 20) | ((val) & 0xfffff))
+
+/* For channel tuning, we have to configure registers 1 (synthesizer), 2 (synth
+ * fractional divide ratio) and 3 (VCO config).
+ *
+ * We configure the RF to produce an interrupt when the PLL is locked onto
+ * the configured frequency. During initialization, we run through a variety
+ * of different VCO configurations on channel 1 until we detect a PLL lock.
+ * When this happens, we remember which VCO configuration produced the lock
+ * and use it later. Actually, we use the configuration *after* the one that
+ * produced the lock, which seems odd, but it works.
+ *
+ * If we do not see a PLL lock on any standard VCO config, we fall back on an
+ * autocal configuration, which has a fixed (as opposed to per-channel) VCO
+ * config and different synth values from the standard set (divide ratio
+ * is still shared with the standard set). */
+
+/* The per-channel synth values for all standard VCO configurations. These get
+ * written to register 1. */
+static const u8 uw2453_std_synth[] = {
+ RF_CHANNEL( 1) = 0x47,
+ RF_CHANNEL( 2) = 0x47,
+ RF_CHANNEL( 3) = 0x67,
+ RF_CHANNEL( 4) = 0x67,
+ RF_CHANNEL( 5) = 0x67,
+ RF_CHANNEL( 6) = 0x67,
+ RF_CHANNEL( 7) = 0x57,
+ RF_CHANNEL( 8) = 0x57,
+ RF_CHANNEL( 9) = 0x57,
+ RF_CHANNEL(10) = 0x57,
+ RF_CHANNEL(11) = 0x77,
+ RF_CHANNEL(12) = 0x77,
+ RF_CHANNEL(13) = 0x77,
+ RF_CHANNEL(14) = 0x4f,
+};
+
+/* This table stores the synthesizer fractional divide ratio for *all* VCO
+ * configurations (both standard and autocal). These get written to register 2.
+ */
+static const u16 uw2453_synth_divide[] = {
+ RF_CHANNEL( 1) = 0x999,
+ RF_CHANNEL( 2) = 0x99b,
+ RF_CHANNEL( 3) = 0x998,
+ RF_CHANNEL( 4) = 0x99a,
+ RF_CHANNEL( 5) = 0x999,
+ RF_CHANNEL( 6) = 0x99b,
+ RF_CHANNEL( 7) = 0x998,
+ RF_CHANNEL( 8) = 0x99a,
+ RF_CHANNEL( 9) = 0x999,
+ RF_CHANNEL(10) = 0x99b,
+ RF_CHANNEL(11) = 0x998,
+ RF_CHANNEL(12) = 0x99a,
+ RF_CHANNEL(13) = 0x999,
+ RF_CHANNEL(14) = 0xccc,
+};
+
+/* Here is the data for all the standard VCO configurations. We shrink our
+ * table a little by observing that both channels in a consecutive pair share
+ * the same value. We also observe that the high 4 bits ([0:3] in the specs)
+ * are all 'Reserved' and are always set to 0x4 - we chop them off in the data
+ * below. */
+#define CHAN_TO_PAIRIDX(a) ((a - 1) / 2)
+#define RF_CHANPAIR(a,b) [CHAN_TO_PAIRIDX(a)]
+static const u16 uw2453_std_vco_cfg[][7] = {
+ { /* table 1 */
+ RF_CHANPAIR( 1, 2) = 0x664d,
+ RF_CHANPAIR( 3, 4) = 0x604d,
+ RF_CHANPAIR( 5, 6) = 0x6675,
+ RF_CHANPAIR( 7, 8) = 0x6475,
+ RF_CHANPAIR( 9, 10) = 0x6655,
+ RF_CHANPAIR(11, 12) = 0x6455,
+ RF_CHANPAIR(13, 14) = 0x6665,
+ },
+ { /* table 2 */
+ RF_CHANPAIR( 1, 2) = 0x666d,
+ RF_CHANPAIR( 3, 4) = 0x606d,
+ RF_CHANPAIR( 5, 6) = 0x664d,
+ RF_CHANPAIR( 7, 8) = 0x644d,
+ RF_CHANPAIR( 9, 10) = 0x6675,
+ RF_CHANPAIR(11, 12) = 0x6475,
+ RF_CHANPAIR(13, 14) = 0x6655,
+ },
+ { /* table 3 */
+ RF_CHANPAIR( 1, 2) = 0x665d,
+ RF_CHANPAIR( 3, 4) = 0x605d,
+ RF_CHANPAIR( 5, 6) = 0x666d,
+ RF_CHANPAIR( 7, 8) = 0x646d,
+ RF_CHANPAIR( 9, 10) = 0x664d,
+ RF_CHANPAIR(11, 12) = 0x644d,
+ RF_CHANPAIR(13, 14) = 0x6675,
+ },
+ { /* table 4 */
+ RF_CHANPAIR( 1, 2) = 0x667d,
+ RF_CHANPAIR( 3, 4) = 0x607d,
+ RF_CHANPAIR( 5, 6) = 0x665d,
+ RF_CHANPAIR( 7, 8) = 0x645d,
+ RF_CHANPAIR( 9, 10) = 0x666d,
+ RF_CHANPAIR(11, 12) = 0x646d,
+ RF_CHANPAIR(13, 14) = 0x664d,
+ },
+ { /* table 5 */
+ RF_CHANPAIR( 1, 2) = 0x6643,
+ RF_CHANPAIR( 3, 4) = 0x6043,
+ RF_CHANPAIR( 5, 6) = 0x667d,
+ RF_CHANPAIR( 7, 8) = 0x647d,
+ RF_CHANPAIR( 9, 10) = 0x665d,
+ RF_CHANPAIR(11, 12) = 0x645d,
+ RF_CHANPAIR(13, 14) = 0x666d,
+ },
+ { /* table 6 */
+ RF_CHANPAIR( 1, 2) = 0x6663,
+ RF_CHANPAIR( 3, 4) = 0x6063,
+ RF_CHANPAIR( 5, 6) = 0x6643,
+ RF_CHANPAIR( 7, 8) = 0x6443,
+ RF_CHANPAIR( 9, 10) = 0x667d,
+ RF_CHANPAIR(11, 12) = 0x647d,
+ RF_CHANPAIR(13, 14) = 0x665d,
+ },
+ { /* table 7 */
+ RF_CHANPAIR( 1, 2) = 0x6653,
+ RF_CHANPAIR( 3, 4) = 0x6053,
+ RF_CHANPAIR( 5, 6) = 0x6663,
+ RF_CHANPAIR( 7, 8) = 0x6463,
+ RF_CHANPAIR( 9, 10) = 0x6643,
+ RF_CHANPAIR(11, 12) = 0x6443,
+ RF_CHANPAIR(13, 14) = 0x667d,
+ },
+ { /* table 8 */
+ RF_CHANPAIR( 1, 2) = 0x6673,
+ RF_CHANPAIR( 3, 4) = 0x6073,
+ RF_CHANPAIR( 5, 6) = 0x6653,
+ RF_CHANPAIR( 7, 8) = 0x6453,
+ RF_CHANPAIR( 9, 10) = 0x6663,
+ RF_CHANPAIR(11, 12) = 0x6463,
+ RF_CHANPAIR(13, 14) = 0x6643,
+ },
+ { /* table 9 */
+ RF_CHANPAIR( 1, 2) = 0x664b,
+ RF_CHANPAIR( 3, 4) = 0x604b,
+ RF_CHANPAIR( 5, 6) = 0x6673,
+ RF_CHANPAIR( 7, 8) = 0x6473,
+ RF_CHANPAIR( 9, 10) = 0x6653,
+ RF_CHANPAIR(11, 12) = 0x6453,
+ RF_CHANPAIR(13, 14) = 0x6663,
+ },
+ { /* table 10 */
+ RF_CHANPAIR( 1, 2) = 0x666b,
+ RF_CHANPAIR( 3, 4) = 0x606b,
+ RF_CHANPAIR( 5, 6) = 0x664b,
+ RF_CHANPAIR( 7, 8) = 0x644b,
+ RF_CHANPAIR( 9, 10) = 0x6673,
+ RF_CHANPAIR(11, 12) = 0x6473,
+ RF_CHANPAIR(13, 14) = 0x6653,
+ },
+ { /* table 11 */
+ RF_CHANPAIR( 1, 2) = 0x665b,
+ RF_CHANPAIR( 3, 4) = 0x605b,
+ RF_CHANPAIR( 5, 6) = 0x666b,
+ RF_CHANPAIR( 7, 8) = 0x646b,
+ RF_CHANPAIR( 9, 10) = 0x664b,
+ RF_CHANPAIR(11, 12) = 0x644b,
+ RF_CHANPAIR(13, 14) = 0x6673,
+ },
+
+};
+
+/* The per-channel synth values for autocal. These get written to register 1. */
+static const u16 uw2453_autocal_synth[] = {
+ RF_CHANNEL( 1) = 0x6847,
+ RF_CHANNEL( 2) = 0x6847,
+ RF_CHANNEL( 3) = 0x6867,
+ RF_CHANNEL( 4) = 0x6867,
+ RF_CHANNEL( 5) = 0x6867,
+ RF_CHANNEL( 6) = 0x6867,
+ RF_CHANNEL( 7) = 0x6857,
+ RF_CHANNEL( 8) = 0x6857,
+ RF_CHANNEL( 9) = 0x6857,
+ RF_CHANNEL(10) = 0x6857,
+ RF_CHANNEL(11) = 0x6877,
+ RF_CHANNEL(12) = 0x6877,
+ RF_CHANNEL(13) = 0x6877,
+ RF_CHANNEL(14) = 0x684f,
+};
+
+/* The VCO configuration for autocal (all channels) */
+static const u16 UW2453_AUTOCAL_VCO_CFG = 0x6662;
+
+/* TX gain settings. The array index corresponds to the TX power integration
+ * values found in the EEPROM. The values get written to register 7. */
+static u32 uw2453_txgain[] = {
+ [0x00] = 0x0e313,
+ [0x01] = 0x0fb13,
+ [0x02] = 0x0e093,
+ [0x03] = 0x0f893,
+ [0x04] = 0x0ea93,
+ [0x05] = 0x1f093,
+ [0x06] = 0x1f493,
+ [0x07] = 0x1f693,
+ [0x08] = 0x1f393,
+ [0x09] = 0x1f35b,
+ [0x0a] = 0x1e6db,
+ [0x0b] = 0x1ff3f,
+ [0x0c] = 0x1ffff,
+ [0x0d] = 0x361d7,
+ [0x0e] = 0x37fbf,
+ [0x0f] = 0x3ff8b,
+ [0x10] = 0x3ff33,
+ [0x11] = 0x3fb3f,
+ [0x12] = 0x3ffff,
+};
+
+/* RF-specific structure */
+struct uw2453_priv {
+ /* index into synth/VCO config tables where PLL lock was found
+ * -1 means autocal */
+ int config;
+};
+
+#define UW2453_PRIV(rf) ((struct uw2453_priv *) (rf)->priv)
+
+static int uw2453_synth_set_channel(struct zd_chip *chip, int channel,
+ bool autocal)
+{
+ int r;
+ int idx = channel - 1;
+ u32 val;
+
+ if (autocal)
+ val = UW2453_REGWRITE(1, uw2453_autocal_synth[idx]);
+ else
+ val = UW2453_REGWRITE(1, uw2453_std_synth[idx]);
+
+ r = zd_rfwrite_locked(chip, val, RF_RV_BITS);
+ if (r)
+ return r;
+
+ return zd_rfwrite_locked(chip,
+ UW2453_REGWRITE(2, uw2453_synth_divide[idx]), RF_RV_BITS);
+}
+
+static int uw2453_write_vco_cfg(struct zd_chip *chip, u16 value)
+{
+ /* vendor driver always sets these upper bits even though the specs say
+ * they are reserved */
+ u32 val = 0x40000 | value;
+ return zd_rfwrite_locked(chip, UW2453_REGWRITE(3, val), RF_RV_BITS);
+}
+
+static int uw2453_init_mode(struct zd_chip *chip)
+{
+ static const u32 rv[] = {
+ UW2453_REGWRITE(0, 0x25f98), /* enter IDLE mode */
+ UW2453_REGWRITE(0, 0x25f9a), /* enter CAL_VCO mode */
+ UW2453_REGWRITE(0, 0x25f94), /* enter RX/TX mode */
+ UW2453_REGWRITE(0, 0x27fd4), /* power down RSSI circuit */
+ };
+
+ return zd_rfwritev_locked(chip, rv, ARRAY_SIZE(rv), RF_RV_BITS);
+}
+
+static int uw2453_set_tx_gain_level(struct zd_chip *chip, int channel)
+{
+ u8 int_value = chip->pwr_int_values[channel - 1];
+
+ if (int_value >= ARRAY_SIZE(uw2453_txgain)) {
+ dev_dbg_f(zd_chip_dev(chip), "can't configure TX gain for "
+ "int value %x on channel %d\n", int_value, channel);
+ return 0;
+ }
+
+ return zd_rfwrite_locked(chip,
+ UW2453_REGWRITE(7, uw2453_txgain[int_value]), RF_RV_BITS);
+}
+
+static int uw2453_init_hw(struct zd_rf *rf)
+{
+ int i, r;
+ int found_config = -1;
+ u16 intr_status;
+ struct zd_chip *chip = zd_rf_to_chip(rf);
+
+ static const struct zd_ioreq16 ioreqs[] = {
+ { CR10, 0x89 }, { CR15, 0x20 },
+ { CR17, 0x28 }, /* 6112 no change */
+ { CR23, 0x38 }, { CR24, 0x20 }, { CR26, 0x93 },
+ { CR27, 0x15 }, { CR28, 0x3e }, { CR29, 0x00 },
+ { CR33, 0x28 }, { CR34, 0x30 },
+ { CR35, 0x43 }, /* 6112 3e->43 */
+ { CR41, 0x24 }, { CR44, 0x32 },
+ { CR46, 0x92 }, /* 6112 96->92 */
+ { CR47, 0x1e },
+ { CR48, 0x04 }, /* 5602 Roger */
+ { CR49, 0xfa }, { CR79, 0x58 }, { CR80, 0x30 },
+ { CR81, 0x30 }, { CR87, 0x0a }, { CR89, 0x04 },
+ { CR91, 0x00 }, { CR92, 0x0a }, { CR98, 0x8d },
+ { CR99, 0x28 }, { CR100, 0x02 },
+ { CR101, 0x09 }, /* 6112 13->1f 6220 1f->13 6407 13->9 */
+ { CR102, 0x27 },
+ { CR106, 0x1c }, /* 5d07 5112 1f->1c 6220 1c->1f 6221 1f->1c */
+ { CR107, 0x1c }, /* 6220 1c->1a 5221 1a->1c */
+ { CR109, 0x13 },
+ { CR110, 0x1f }, /* 6112 13->1f 6221 1f->13 6407 13->0x09 */
+ { CR111, 0x13 }, { CR112, 0x1f }, { CR113, 0x27 },
+ { CR114, 0x23 }, /* 6221 27->23 */
+ { CR115, 0x24 }, /* 6112 24->1c 6220 1c->24 */
+ { CR116, 0x24 }, /* 6220 1c->24 */
+ { CR117, 0xfa }, /* 6112 fa->f8 6220 f8->f4 6220 f4->fa */
+ { CR118, 0xf0 }, /* 5d07 6112 f0->f2 6220 f2->f0 */
+ { CR119, 0x1a }, /* 6112 1a->10 6220 10->14 6220 14->1a */
+ { CR120, 0x4f },
+ { CR121, 0x1f }, /* 6220 4f->1f */
+ { CR122, 0xf0 }, { CR123, 0x57 }, { CR125, 0xad },
+ { CR126, 0x6c }, { CR127, 0x03 },
+ { CR128, 0x14 }, /* 6302 12->11 */
+ { CR129, 0x12 }, /* 6301 10->0f */
+ { CR130, 0x10 }, { CR137, 0x50 }, { CR138, 0xa8 },
+ { CR144, 0xac }, { CR146, 0x20 }, { CR252, 0xff },
+ { CR253, 0xff },
+ };
+
+ static const u32 rv[] = {
+ UW2453_REGWRITE(4, 0x2b), /* configure reciever gain */
+ UW2453_REGWRITE(5, 0x19e4f), /* configure transmitter gain */
+ UW2453_REGWRITE(6, 0xf81ad), /* enable RX/TX filter tuning */
+ UW2453_REGWRITE(7, 0x3fffe), /* disable TX gain in test mode */
+
+ /* enter CAL_FIL mode, TX gain set by registers, RX gain set by pins,
+ * RSSI circuit powered down, reduced RSSI range */
+ UW2453_REGWRITE(0, 0x25f9c), /* 5d01 cal_fil */
+
+ /* synthesizer configuration for channel 1 */
+ UW2453_REGWRITE(1, 0x47),
+ UW2453_REGWRITE(2, 0x999),
+
+ /* disable manual VCO band selection */
+ UW2453_REGWRITE(3, 0x7602),
+
+ /* enable manual VCO band selection, configure current level */
+ UW2453_REGWRITE(3, 0x46063),
+ };
+
+ r = zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
+ if (r)
+ return r;
+
+ r = zd_rfwritev_locked(chip, rv, ARRAY_SIZE(rv), RF_RV_BITS);
+ if (r)
+ return r;
+
+ r = uw2453_init_mode(chip);
+ if (r)
+ return r;
+
+ /* Try all standard VCO configuration settings on channel 1 */
+ for (i = 0; i < ARRAY_SIZE(uw2453_std_vco_cfg) - 1; i++) {
+ /* Configure synthesizer for channel 1 */
+ r = uw2453_synth_set_channel(chip, 1, false);
+ if (r)
+ return r;
+
+ /* Write VCO config */
+ r = uw2453_write_vco_cfg(chip, uw2453_std_vco_cfg[i][0]);
+ if (r)
+ return r;
+
+ /* ack interrupt event */
+ r = zd_iowrite16_locked(chip, 0x0f, UW2453_INTR_REG);
+ if (r)
+ return r;
+
+ /* check interrupt status */
+ r = zd_ioread16_locked(chip, &intr_status, UW2453_INTR_REG);
+ if (r)
+ return r;
+
+ if (!intr_status & 0xf) {
+ dev_dbg_f(zd_chip_dev(chip),
+ "PLL locked on configuration %d\n", i);
+ found_config = i;
+ break;
+ }
+ }
+
+ if (found_config == -1) {
+ /* autocal */
+ dev_dbg_f(zd_chip_dev(chip),
+ "PLL did not lock, using autocal\n");
+
+ r = uw2453_synth_set_channel(chip, 1, true);
+ if (r)
+ return r;
+
+ r = uw2453_write_vco_cfg(chip, UW2453_AUTOCAL_VCO_CFG);
+ if (r)
+ return r;
+ }
+
+ /* To match the vendor driver behaviour, we use the configuration after
+ * the one that produced a lock. */
+ UW2453_PRIV(rf)->config = found_config + 1;
+
+ return zd_iowrite16_locked(chip, 0x06, CR203);
+}
+
+static int uw2453_set_channel(struct zd_rf *rf, u8 channel)
+{
+ int r;
+ u16 vco_cfg;
+ int config = UW2453_PRIV(rf)->config;
+ bool autocal = (config == -1);
+ struct zd_chip *chip = zd_rf_to_chip(rf);
+
+ static const struct zd_ioreq16 ioreqs[] = {
+ { CR80, 0x30 }, { CR81, 0x30 }, { CR79, 0x58 },
+ { CR12, 0xf0 }, { CR77, 0x1b }, { CR78, 0x58 },
+ };
+
+ r = uw2453_synth_set_channel(chip, channel, autocal);
+ if (r)
+ return r;
+
+ if (autocal)
+ vco_cfg = UW2453_AUTOCAL_VCO_CFG;
+ else
+ vco_cfg = uw2453_std_vco_cfg[config][CHAN_TO_PAIRIDX(channel)];
+
+ r = uw2453_write_vco_cfg(chip, vco_cfg);
+ if (r)
+ return r;
+
+ r = uw2453_init_mode(chip);
+ if (r)
+ return r;
+
+ r = zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
+ if (r)
+ return r;
+
+ r = uw2453_set_tx_gain_level(chip, channel);
+ if (r)
+ return r;
+
+ return zd_iowrite16_locked(chip, 0x06, CR203);
+}
+
+static int uw2453_switch_radio_on(struct zd_rf *rf)
+{
+ int r;
+ struct zd_chip *chip = zd_rf_to_chip(rf);
+ struct zd_ioreq16 ioreqs[] = {
+ { CR11, 0x00 }, { CR251, 0x3f },
+ };
+
+ /* enter RXTX mode */
+ r = zd_rfwrite_locked(chip, UW2453_REGWRITE(0, 0x25f94), RF_RV_BITS);
+ if (r)
+ return r;
+
+ if (zd_chip_is_zd1211b(chip))
+ ioreqs[1].value = 0x7f;
+
+ return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
+}
+
+static int uw2453_switch_radio_off(struct zd_rf *rf)
+{
+ int r;
+ struct zd_chip *chip = zd_rf_to_chip(rf);
+ static const struct zd_ioreq16 ioreqs[] = {
+ { CR11, 0x04 }, { CR251, 0x2f },
+ };
+
+ /* enter IDLE mode */
+ /* FIXME: shouldn't we go to SLEEP? sent email to zydas */
+ r = zd_rfwrite_locked(chip, UW2453_REGWRITE(0, 0x25f90), RF_RV_BITS);
+ if (r)
+ return r;
+
+ return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
+}
+
+static void uw2453_clear(struct zd_rf *rf)
+{
+ kfree(rf->priv);
+}
+
+int zd_rf_init_uw2453(struct zd_rf *rf)
+{
+ rf->init_hw = uw2453_init_hw;
+ rf->set_channel = uw2453_set_channel;
+ rf->switch_radio_on = uw2453_switch_radio_on;
+ rf->switch_radio_off = uw2453_switch_radio_off;
+ rf->patch_6m_band_edge = zd_rf_generic_patch_6m;
+ rf->clear = uw2453_clear;
+ /* we have our own TX integration code */
+ rf->update_channel_int = 0;
+
+ rf->priv = kmalloc(sizeof(struct uw2453_priv), GFP_KERNEL);
+ if (rf->priv == NULL)
+ return -ENOMEM;
+
+ return 0;
+}
+
diff --git a/drivers/net/wireless/zd1211rw/zd_usb.c b/drivers/net/wireless/zd1211rw/zd_usb.c
index 8459549d0ce..a9c339ef116 100644
--- a/drivers/net/wireless/zd1211rw/zd_usb.c
+++ b/drivers/net/wireless/zd1211rw/zd_usb.c
@@ -15,7 +15,6 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
-#include <asm/unaligned.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/module.h>
@@ -26,6 +25,7 @@
#include <linux/usb.h>
#include <linux/workqueue.h>
#include <net/ieee80211.h>
+#include <asm/unaligned.h>
#include "zd_def.h"
#include "zd_netdev.h"
@@ -54,6 +54,7 @@ static struct usb_device_id usb_ids[] = {
{ USB_DEVICE(0x0586, 0x3401), .driver_info = DEVICE_ZD1211 },
{ USB_DEVICE(0x14ea, 0xab13), .driver_info = DEVICE_ZD1211 },
{ USB_DEVICE(0x13b1, 0x001e), .driver_info = DEVICE_ZD1211 },
+ { USB_DEVICE(0x0586, 0x3407), .driver_info = DEVICE_ZD1211 },
/* ZD1211B */
{ USB_DEVICE(0x0ace, 0x1215), .driver_info = DEVICE_ZD1211B },
{ USB_DEVICE(0x157e, 0x300d), .driver_info = DEVICE_ZD1211B },
@@ -70,6 +71,9 @@ static struct usb_device_id usb_ids[] = {
{ USB_DEVICE(0x0586, 0x3412), .driver_info = DEVICE_ZD1211B },
{ USB_DEVICE(0x0586, 0x3413), .driver_info = DEVICE_ZD1211B },
{ USB_DEVICE(0x0053, 0x5301), .driver_info = DEVICE_ZD1211B },
+ { USB_DEVICE(0x0411, 0x00da), .driver_info = DEVICE_ZD1211B },
+ { USB_DEVICE(0x2019, 0x5303), .driver_info = DEVICE_ZD1211B },
+ { USB_DEVICE(0x129b, 0x1667), .driver_info = DEVICE_ZD1211B },
/* "Driverless" devices that need ejecting */
{ USB_DEVICE(0x0ace, 0x2011), .driver_info = DEVICE_INSTALLER },
{ USB_DEVICE(0x0ace, 0x20ff), .driver_info = DEVICE_INSTALLER },
@@ -194,26 +198,27 @@ static u16 get_word(const void *data, u16 offset)
return le16_to_cpu(p[offset]);
}
-static char *get_fw_name(char *buffer, size_t size, u8 device_type,
+static char *get_fw_name(struct zd_usb *usb, char *buffer, size_t size,
const char* postfix)
{
scnprintf(buffer, size, "%s%s",
- device_type == DEVICE_ZD1211B ?
+ usb->is_zd1211b ?
FW_ZD1211B_PREFIX : FW_ZD1211_PREFIX,
postfix);
return buffer;
}
-static int handle_version_mismatch(struct usb_device *udev, u8 device_type,
+static int handle_version_mismatch(struct zd_usb *usb,
const struct firmware *ub_fw)
{
+ struct usb_device *udev = zd_usb_to_usbdev(usb);
const struct firmware *ur_fw = NULL;
int offset;
int r = 0;
char fw_name[128];
r = request_fw_file(&ur_fw,
- get_fw_name(fw_name, sizeof(fw_name), device_type, "ur"),
+ get_fw_name(usb, fw_name, sizeof(fw_name), "ur"),
&udev->dev);
if (r)
goto error;
@@ -236,11 +241,12 @@ error:
return r;
}
-static int upload_firmware(struct usb_device *udev, u8 device_type)
+static int upload_firmware(struct zd_usb *usb)
{
int r;
u16 fw_bcdDevice;
u16 bcdDevice;
+ struct usb_device *udev = zd_usb_to_usbdev(usb);
const struct firmware *ub_fw = NULL;
const struct firmware *uph_fw = NULL;
char fw_name[128];
@@ -248,7 +254,7 @@ static int upload_firmware(struct usb_device *udev, u8 device_type)
bcdDevice = get_bcdDevice(udev);
r = request_fw_file(&ub_fw,
- get_fw_name(fw_name, sizeof(fw_name), device_type, "ub"),
+ get_fw_name(usb, fw_name, sizeof(fw_name), "ub"),
&udev->dev);
if (r)
goto error;
@@ -263,7 +269,7 @@ static int upload_firmware(struct usb_device *udev, u8 device_type)
dev_warn(&udev->dev, "device has old bootcode, please "
"report success or failure\n");
- r = handle_version_mismatch(udev, device_type, ub_fw);
+ r = handle_version_mismatch(usb, ub_fw);
if (r)
goto error;
} else {
@@ -274,7 +280,7 @@ static int upload_firmware(struct usb_device *udev, u8 device_type)
r = request_fw_file(&uph_fw,
- get_fw_name(fw_name, sizeof(fw_name), device_type, "uphr"),
+ get_fw_name(usb, fw_name, sizeof(fw_name), "uphr"),
&udev->dev);
if (r)
goto error;
@@ -293,6 +299,30 @@ error:
return r;
}
+/* Read data from device address space using "firmware interface" which does
+ * not require firmware to be loaded. */
+int zd_usb_read_fw(struct zd_usb *usb, zd_addr_t addr, u8 *data, u16 len)
+{
+ int r;
+ struct usb_device *udev = zd_usb_to_usbdev(usb);
+
+ r = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
+ USB_REQ_FIRMWARE_READ_DATA, USB_DIR_IN | 0x40, addr, 0,
+ data, len, 5000);
+ if (r < 0) {
+ dev_err(&udev->dev,
+ "read over firmware interface failed: %d\n", r);
+ return r;
+ } else if (r != len) {
+ dev_err(&udev->dev,
+ "incomplete read over firmware interface: %d/%d\n",
+ r, len);
+ return -EIO;
+ }
+
+ return 0;
+}
+
#define urb_dev(urb) (&(urb)->dev->dev)
static inline void handle_regs_int(struct urb *urb)
@@ -919,9 +949,42 @@ static int eject_installer(struct usb_interface *intf)
return 0;
}
+int zd_usb_init_hw(struct zd_usb *usb)
+{
+ int r;
+ struct zd_mac *mac = zd_usb_to_mac(usb);
+
+ dev_dbg_f(zd_usb_dev(usb), "\n");
+
+ r = upload_firmware(usb);
+ if (r) {
+ dev_err(zd_usb_dev(usb),
+ "couldn't load firmware. Error number %d\n", r);
+ return r;
+ }
+
+ r = usb_reset_configuration(zd_usb_to_usbdev(usb));
+ if (r) {
+ dev_dbg_f(zd_usb_dev(usb),
+ "couldn't reset configuration. Error number %d\n", r);
+ return r;
+ }
+
+ r = zd_mac_init_hw(mac);
+ if (r) {
+ dev_dbg_f(zd_usb_dev(usb),
+ "couldn't initialize mac. Error number %d\n", r);
+ return r;
+ }
+
+ usb->initialized = 1;
+ return 0;
+}
+
static int probe(struct usb_interface *intf, const struct usb_device_id *id)
{
int r;
+ struct zd_usb *usb;
struct usb_device *udev = interface_to_usbdev(intf);
struct net_device *netdev = NULL;
@@ -949,26 +1012,10 @@ static int probe(struct usb_interface *intf, const struct usb_device_id *id)
goto error;
}
- r = upload_firmware(udev, id->driver_info);
- if (r) {
- dev_err(&intf->dev,
- "couldn't load firmware. Error number %d\n", r);
- goto error;
- }
+ usb = &zd_netdev_mac(netdev)->chip.usb;
+ usb->is_zd1211b = (id->driver_info == DEVICE_ZD1211B) != 0;
- r = usb_reset_configuration(udev);
- if (r) {
- dev_dbg_f(&intf->dev,
- "couldn't reset configuration. Error number %d\n", r);
- goto error;
- }
-
- /* At this point the interrupt endpoint is not generally enabled. We
- * save the USB bandwidth until the network device is opened. But
- * notify that the initialization of the MAC will require the
- * interrupts to be temporary enabled.
- */
- r = zd_mac_init_hw(zd_netdev_mac(netdev), id->driver_info);
+ r = zd_mac_preinit_hw(zd_netdev_mac(netdev));
if (r) {
dev_dbg_f(&intf->dev,
"couldn't initialize mac. Error number %d\n", r);
diff --git a/drivers/net/wireless/zd1211rw/zd_usb.h b/drivers/net/wireless/zd1211rw/zd_usb.h
index 506ea6a7439..961a7a12ad6 100644
--- a/drivers/net/wireless/zd1211rw/zd_usb.h
+++ b/drivers/net/wireless/zd1211rw/zd_usb.h
@@ -188,6 +188,7 @@ struct zd_usb {
struct zd_usb_rx rx;
struct zd_usb_tx tx;
struct usb_interface *intf;
+ u8 is_zd1211b:1, initialized:1;
};
#define zd_usb_dev(usb) (&usb->intf->dev)
@@ -236,6 +237,8 @@ int zd_usb_iowrite16v(struct zd_usb *usb, const struct zd_ioreq16 *ioreqs,
int zd_usb_rfwrite(struct zd_usb *usb, u32 value, u8 bits);
+int zd_usb_read_fw(struct zd_usb *usb, zd_addr_t addr, u8 *data, u16 len);
+
extern struct workqueue_struct *zd_workqueue;
#endif /* _ZD_USB_H */