diff options
Diffstat (limited to 'drivers')
61 files changed, 4032 insertions, 2870 deletions
diff --git a/drivers/block/viodasd.c b/drivers/block/viodasd.c index 68592c33601..dae39911a11 100644 --- a/drivers/block/viodasd.c +++ b/drivers/block/viodasd.c @@ -252,10 +252,10 @@ static int viodasd_getgeo(struct block_device *bdev, struct hd_geometry *geo) struct gendisk *disk = bdev->bd_disk; struct viodasd_device *d = disk->private_data; - geo->sectors = d->sectors ? d->sectors : 0; + geo->sectors = d->sectors ? d->sectors : 32; geo->heads = d->tracks ? d->tracks : 64; geo->cylinders = d->cylinders ? d->cylinders : - get_capacity(disk) / (geo->cylinders * geo->heads); + get_capacity(disk) / (geo->sectors * geo->heads); return 0; } diff --git a/drivers/char/briq_panel.c b/drivers/char/briq_panel.c index ed53f541d9e..b6f2639f903 100644 --- a/drivers/char/briq_panel.c +++ b/drivers/char/briq_panel.c @@ -91,11 +91,6 @@ static ssize_t briq_panel_read(struct file *file, char __user *buf, size_t count unsigned short c; unsigned char cp; -#if 0 /* Can't seek (pread) on this device */ - if (ppos != &file->f_pos) - return -ESPIPE; -#endif - if (!vfd_is_open) return -ENODEV; @@ -139,11 +134,6 @@ static ssize_t briq_panel_write(struct file *file, const char __user *buf, size_ size_t indx = len; int i, esc = 0; -#if 0 /* Can't seek (pwrite) on this device */ - if (ppos != &file->f_pos) - return -ESPIPE; -#endif - if (!vfd_is_open) return -EBUSY; diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c index 322bc5f7d86..b3ab42e0dd4 100644 --- a/drivers/char/hvc_console.c +++ b/drivers/char/hvc_console.c @@ -674,7 +674,7 @@ static const cpumask_t cpus_in_xmon = CPU_MASK_NONE; * calling hvc_poll() who determines whether a console adapter support * interrupts. */ -int khvcd(void *unused) +static int khvcd(void *unused) { int poll_mask; struct hvc_struct *hp; diff --git a/drivers/char/viotape.c b/drivers/char/viotape.c index 13faf8d1748..db57277117b 100644 --- a/drivers/char/viotape.c +++ b/drivers/char/viotape.c @@ -873,12 +873,12 @@ free_op: } const struct file_operations viotap_fops = { - owner: THIS_MODULE, - read: viotap_read, - write: viotap_write, - ioctl: viotap_ioctl, - open: viotap_open, - release: viotap_release, + .owner = THIS_MODULE, + .read = viotap_read, + .write = viotap_write, + .ioctl = viotap_ioctl, + .open = viotap_open, + .release = viotap_release, }; /* Handle interrupt events for tape */ diff --git a/drivers/net/8139cp.c b/drivers/net/8139cp.c index 807e6992e61..e970e64bf96 100644 --- a/drivers/net/8139cp.c +++ b/drivers/net/8139cp.c @@ -26,7 +26,6 @@ TODO: * Test Tx checksumming thoroughly - * Implement dev->tx_timeout Low priority TODO: * Complete reset on PciErr @@ -1218,6 +1217,30 @@ static int cp_close (struct net_device *dev) return 0; } +static void cp_tx_timeout(struct net_device *dev) +{ + struct cp_private *cp = netdev_priv(dev); + unsigned long flags; + int rc; + + printk(KERN_WARNING "%s: Transmit timeout, status %2x %4x %4x %4x\n", + dev->name, cpr8(Cmd), cpr16(CpCmd), + cpr16(IntrStatus), cpr16(IntrMask)); + + spin_lock_irqsave(&cp->lock, flags); + + cp_stop_hw(cp); + cp_clean_rings(cp); + rc = cp_init_rings(cp); + cp_start_hw(cp); + + netif_wake_queue(dev); + + spin_unlock_irqrestore(&cp->lock, flags); + + return; +} + #ifdef BROKEN static int cp_change_mtu(struct net_device *dev, int new_mtu) { @@ -1920,10 +1943,8 @@ static int cp_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) dev->change_mtu = cp_change_mtu; #endif dev->ethtool_ops = &cp_ethtool_ops; -#if 0 dev->tx_timeout = cp_tx_timeout; dev->watchdog_timeo = TX_TIMEOUT; -#endif #if CP_VLAN_TAG_USED dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 713ab05a87c..43d03178064 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -205,7 +205,7 @@ config MII config MACB tristate "Atmel MACB support" depends on AVR32 || ARCH_AT91SAM9260 || ARCH_AT91SAM9263 - select MII + select PHYLIB help The Atmel MACB ethernet interface is found on many AT32 and AT91 parts. Say Y to include support for the MACB chip. diff --git a/drivers/net/arm/Kconfig b/drivers/net/arm/Kconfig index 5bf2d33887a..f9cc2b621fe 100644 --- a/drivers/net/arm/Kconfig +++ b/drivers/net/arm/Kconfig @@ -43,6 +43,7 @@ config ARM_AT91_ETHER config EP93XX_ETH tristate "EP93xx Ethernet support" depends on ARM && ARCH_EP93XX + select MII help This is a driver for the ethernet hardware included in EP93xx CPUs. Say Y if you are building a kernel for EP93xx based devices. diff --git a/drivers/net/atl1/atl1.h b/drivers/net/atl1/atl1.h index df4c1a0071a..ff4765f6c3d 100644 --- a/drivers/net/atl1/atl1.h +++ b/drivers/net/atl1/atl1.h @@ -43,6 +43,7 @@ extern const struct ethtool_ops atl1_ethtool_ops; struct atl1_adapter; #define ATL1_MAX_INTR 3 +#define ATL1_MAX_TX_BUF_LEN 0x3000 /* 12288 bytes */ #define ATL1_DEFAULT_TPD 256 #define ATL1_MAX_TPD 1024 @@ -57,29 +58,45 @@ struct atl1_adapter; #define ATL1_RRD_DESC(R, i) ATL1_GET_DESC(R, i, struct rx_return_desc) /* + * This detached comment is preserved for documentation purposes only. + * It was originally attached to some code that got deleted, but seems + * important enough to keep around... + * + * <begin detached comment> * Some workarounds require millisecond delays and are run during interrupt * context. Most notably, when establishing link, the phy may need tweaking * but cannot process phy register reads/writes faster than millisecond * intervals...and we establish link due to a "link status change" interrupt. + * <end detached comment> + */ + +/* + * atl1_ring_header represents a single, contiguous block of DMA space + * mapped for the three descriptor rings (tpd, rfd, rrd) and the two + * message blocks (cmb, smb) described below */ +struct atl1_ring_header { + void *desc; /* virtual address */ + dma_addr_t dma; /* physical address*/ + unsigned int size; /* length in bytes */ +}; /* - * wrapper around a pointer to a socket buffer, - * so a DMA handle can be stored along with the buffer + * atl1_buffer is wrapper around a pointer to a socket buffer + * so a DMA handle can be stored along with the skb */ struct atl1_buffer { - struct sk_buff *skb; - u16 length; - u16 alloced; + struct sk_buff *skb; /* socket buffer */ + u16 length; /* rx buffer length */ + u16 alloced; /* 1 if skb allocated */ dma_addr_t dma; }; -#define MAX_TX_BUF_LEN 0x3000 /* 12KB */ - +/* transmit packet descriptor (tpd) ring */ struct atl1_tpd_ring { - void *desc; /* pointer to the descriptor ring memory */ - dma_addr_t dma; /* physical adress of the descriptor ring */ - u16 size; /* length of descriptor ring in bytes */ + void *desc; /* descriptor ring virtual address */ + dma_addr_t dma; /* descriptor ring physical address */ + u16 size; /* descriptor ring length in bytes */ u16 count; /* number of descriptors in the ring */ u16 hw_idx; /* hardware index */ atomic_t next_to_clean; @@ -87,36 +104,34 @@ struct atl1_tpd_ring { struct atl1_buffer *buffer_info; }; +/* receive free descriptor (rfd) ring */ struct atl1_rfd_ring { - void *desc; - dma_addr_t dma; - u16 size; - u16 count; + void *desc; /* descriptor ring virtual address */ + dma_addr_t dma; /* descriptor ring physical address */ + u16 size; /* descriptor ring length in bytes */ + u16 count; /* number of descriptors in the ring */ atomic_t next_to_use; u16 next_to_clean; struct atl1_buffer *buffer_info; }; +/* receive return descriptor (rrd) ring */ struct atl1_rrd_ring { - void *desc; - dma_addr_t dma; - unsigned int size; - u16 count; + void *desc; /* descriptor ring virtual address */ + dma_addr_t dma; /* descriptor ring physical address */ + unsigned int size; /* descriptor ring length in bytes */ + u16 count; /* number of descriptors in the ring */ u16 next_to_use; atomic_t next_to_clean; }; -struct atl1_ring_header { - void *desc; /* pointer to the descriptor ring memory */ - dma_addr_t dma; /* physical adress of the descriptor ring */ - unsigned int size; /* length of descriptor ring in bytes */ -}; - +/* coalescing message block (cmb) */ struct atl1_cmb { struct coals_msg_block *cmb; dma_addr_t dma; }; +/* statistics message block (smb) */ struct atl1_smb { struct stats_msg_block *smb; dma_addr_t dma; @@ -141,24 +156,26 @@ struct atl1_sft_stats { u64 tx_aborted_errors; u64 tx_window_errors; u64 tx_carrier_errors; - - u64 tx_pause; /* num Pause packet transmitted. */ - u64 excecol; /* num tx packets aborted due to excessive collisions. */ - u64 deffer; /* num deferred tx packets */ - u64 scc; /* num packets subsequently transmitted successfully w/ single prior collision. */ - u64 mcc; /* num packets subsequently transmitted successfully w/ multiple prior collisions. */ + u64 tx_pause; /* num pause packets transmitted. */ + u64 excecol; /* num tx packets w/ excessive collisions. */ + u64 deffer; /* num tx packets deferred */ + u64 scc; /* num packets subsequently transmitted + * successfully w/ single prior collision. */ + u64 mcc; /* num packets subsequently transmitted + * successfully w/ multiple prior collisions. */ u64 latecol; /* num tx packets w/ late collisions. */ - u64 tx_underun; /* num tx packets aborted due to transmit FIFO underrun, or TRD FIFO underrun */ - u64 tx_trunc; /* num tx packets truncated due to size exceeding MTU, regardless whether truncated by Selene or not. (The name doesn't really reflect the meaning in this case.) */ + u64 tx_underun; /* num tx packets aborted due to transmit + * FIFO underrun, or TRD FIFO underrun */ + u64 tx_trunc; /* num tx packets truncated due to size + * exceeding MTU, regardless whether truncated + * by the chip or not. (The name doesn't really + * reflect the meaning in this case.) */ u64 rx_pause; /* num Pause packets received. */ u64 rx_rrd_ov; u64 rx_trunc; }; -/* board specific private data structure */ -#define ATL1_REGS_LEN 8 - -/* Structure containing variables used by the shared code */ +/* hardware structure */ struct atl1_hw { u8 __iomem *hw_addr; struct atl1_adapter *back; @@ -167,24 +184,35 @@ struct atl1_hw { enum atl1_dma_req_block dmar_block; enum atl1_dma_req_block dmaw_block; u8 preamble_len; - u8 max_retry; /* Retransmission maximum, after which the packet will be discarded */ - u8 jam_ipg; /* IPG to start JAM for collision based flow control in half-duplex mode. In units of 8-bit time */ - u8 ipgt; /* Desired back to back inter-packet gap. The default is 96-bit time */ - u8 min_ifg; /* Minimum number of IFG to enforce in between RX frames. Frame gap below such IFP is dropped */ + u8 max_retry; /* Retransmission maximum, after which the + * packet will be discarded */ + u8 jam_ipg; /* IPG to start JAM for collision based flow + * control in half-duplex mode. In units of + * 8-bit time */ + u8 ipgt; /* Desired back to back inter-packet gap. + * The default is 96-bit time */ + u8 min_ifg; /* Minimum number of IFG to enforce in between + * receive frames. Frame gap below such IFP + * is dropped */ u8 ipgr1; /* 64bit Carrier-Sense window */ u8 ipgr2; /* 96-bit IPG window */ - u8 tpd_burst; /* Number of TPD to prefetch in cache-aligned burst. Each TPD is 16 bytes long */ - u8 rfd_burst; /* Number of RFD to prefetch in cache-aligned burst. Each RFD is 12 bytes long */ + u8 tpd_burst; /* Number of TPD to prefetch in cache-aligned + * burst. Each TPD is 16 bytes long */ + u8 rfd_burst; /* Number of RFD to prefetch in cache-aligned + * burst. Each RFD is 12 bytes long */ u8 rfd_fetch_gap; - u8 rrd_burst; /* Threshold number of RRDs that can be retired in a burst. Each RRD is 16 bytes long */ + u8 rrd_burst; /* Threshold number of RRDs that can be retired + * in a burst. Each RRD is 16 bytes long */ u8 tpd_fetch_th; u8 tpd_fetch_gap; u16 tx_jumbo_task_th; - u16 txf_burst; /* Number of data bytes to read in a cache-aligned burst. Each SRAM entry is - 8 bytes long */ - u16 rx_jumbo_th; /* Jumbo packet size for non-VLAN packet. VLAN packets should add 4 bytes */ + u16 txf_burst; /* Number of data bytes to read in a cache- + * aligned burst. Each SRAM entry is 8 bytes */ + u16 rx_jumbo_th; /* Jumbo packet size for non-VLAN packet. VLAN + * packets should add 4 bytes */ u16 rx_jumbo_lkah; - u16 rrd_ret_timer; /* RRD retirement timer. Decrement by 1 after every 512ns passes. */ + u16 rrd_ret_timer; /* RRD retirement timer. Decrement by 1 after + * every 512ns passes. */ u16 lcol; /* Collision Window */ u16 cmb_tpd; @@ -194,48 +222,35 @@ struct atl1_hw { u32 smb_timer; u16 media_type; u16 autoneg_advertised; - u16 pci_cmd_word; u16 mii_autoneg_adv_reg; u16 mii_1000t_ctrl_reg; - u32 mem_rang; - u32 txcw; u32 max_frame_size; u32 min_frame_size; - u32 mc_filter_type; - u32 num_mc_addrs; - u32 collision_delta; - u32 tx_packet_delta; - u16 phy_spd_default; u16 dev_rev; /* spi flash */ u8 flash_vendor; - u8 dma_fairness; u8 mac_addr[ETH_ALEN]; u8 perm_mac_addr[ETH_ALEN]; - /* bool phy_preamble_sup; */ bool phy_configured; }; struct atl1_adapter { - /* OS defined structs */ struct net_device *netdev; struct pci_dev *pdev; struct net_device_stats net_stats; struct atl1_sft_stats soft_stats; - struct vlan_group *vlgrp; u32 rx_buffer_len; u32 wol; u16 link_speed; u16 link_duplex; spinlock_t lock; - atomic_t irq_sem; struct work_struct tx_timeout_task; struct work_struct link_chg_task; struct work_struct pcie_dma_to_rst_task; @@ -243,9 +258,7 @@ struct atl1_adapter { struct timer_list phy_config_timer; bool phy_timer_pending; - bool mac_disabled; - - /* All descriptor rings' memory */ + /* all descriptor rings' memory */ struct atl1_ring_header ring_header; /* TX */ @@ -258,25 +271,16 @@ struct atl1_adapter { u64 hw_csum_err; u64 hw_csum_good; - u32 gorcl; - u64 gorcl_old; - - /* Interrupt Moderator timer ( 2us resolution) */ - u16 imt; - /* Interrupt Clear timer (2us resolution) */ - u16 ict; - - /* MII interface info */ - struct mii_if_info mii; + u16 imt; /* interrupt moderator timer (2us resolution */ + u16 ict; /* interrupt clear timer (2us resolution */ + struct mii_if_info mii; /* MII interface info */ /* structs defined in atl1_hw.h */ - u32 bd_number; /* board number */ + u32 bd_number; /* board number */ bool pci_using_64; struct atl1_hw hw; struct atl1_smb smb; struct atl1_cmb cmb; - - u32 pci_state[16]; }; #endif /* _ATL1_H_ */ diff --git a/drivers/net/atl1/atl1_main.c b/drivers/net/atl1/atl1_main.c index 501919eb7f5..4a18b881ae9 100644 --- a/drivers/net/atl1/atl1_main.c +++ b/drivers/net/atl1/atl1_main.c @@ -38,7 +38,7 @@ * TODO: * Fix TSO; tx performance is horrible with TSO enabled. * Wake on LAN. - * Add more ethtool functions, including set ring parameters. + * Add more ethtool functions. * Fix abstruse irq enable/disable condition described here: * http://marc.theaimsgroup.com/?l=linux-netdev&m=116398508500553&w=2 * @@ -158,13 +158,70 @@ static int __devinit atl1_sw_init(struct atl1_adapter *adapter) hw->cmb_tx_timer = 1; /* about 2us */ hw->smb_timer = 100000; /* about 200ms */ - atomic_set(&adapter->irq_sem, 0); spin_lock_init(&adapter->lock); spin_lock_init(&adapter->mb_lock); return 0; } +static int mdio_read(struct net_device *netdev, int phy_id, int reg_num) +{ + struct atl1_adapter *adapter = netdev_priv(netdev); + u16 result; + + atl1_read_phy_reg(&adapter->hw, reg_num & 0x1f, &result); + + return result; +} + +static void mdio_write(struct net_device *netdev, int phy_id, int reg_num, + int val) +{ + struct atl1_adapter *adapter = netdev_priv(netdev); + + atl1_write_phy_reg(&adapter->hw, reg_num, val); +} + +/* + * atl1_mii_ioctl - + * @netdev: + * @ifreq: + * @cmd: + */ +static int atl1_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) +{ + struct atl1_adapter *adapter = netdev_priv(netdev); + unsigned long flags; + int retval; + + if (!netif_running(netdev)) + return -EINVAL; + + spin_lock_irqsave(&adapter->lock, flags); + retval = generic_mii_ioctl(&adapter->mii, if_mii(ifr), cmd, NULL); + spin_unlock_irqrestore(&adapter->lock, flags); + + return retval; +} + +/* + * atl1_ioctl - + * @netdev: + * @ifreq: + * @cmd: + */ +static int atl1_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) +{ + switch (cmd) { + case SIOCGMIIPHY: + case SIOCGMIIREG: + case SIOCSMIIREG: + return atl1_mii_ioctl(netdev, ifr, cmd); + default: + return -EOPNOTSUPP; + } +} + /* * atl1_setup_mem_resources - allocate Tx / RX descriptor resources * @adapter: board private structure @@ -188,19 +245,22 @@ s32 atl1_setup_ring_resources(struct atl1_adapter *adapter) goto err_nomem; } rfd_ring->buffer_info = - (struct atl1_buffer *)(tpd_ring->buffer_info + tpd_ring->count); + (struct atl1_buffer *)(tpd_ring->buffer_info + tpd_ring->count); - /* real ring DMA buffer */ - ring_header->size = size = sizeof(struct tx_packet_desc) * - tpd_ring->count - + sizeof(struct rx_free_desc) * rfd_ring->count - + sizeof(struct rx_return_desc) * rrd_ring->count - + sizeof(struct coals_msg_block) - + sizeof(struct stats_msg_block) - + 40; /* "40: for 8 bytes align" huh? -- CHS */ + /* real ring DMA buffer + * each ring/block may need up to 8 bytes for alignment, hence the + * additional 40 bytes tacked onto the end. + */ + ring_header->size = size = + sizeof(struct tx_packet_desc) * tpd_ring->count + + sizeof(struct rx_free_desc) * rfd_ring->count + + sizeof(struct rx_return_desc) * rrd_ring->count + + sizeof(struct coals_msg_block) + + sizeof(struct stats_msg_block) + + 40; ring_header->desc = pci_alloc_consistent(pdev, ring_header->size, - &ring_header->dma); + &ring_header->dma); if (unlikely(!ring_header->desc)) { dev_err(&pdev->dev, "pci_alloc_consistent failed\n"); goto err_nomem; @@ -214,8 +274,6 @@ s32 atl1_setup_ring_resources(struct atl1_adapter *adapter) tpd_ring->dma += offset; tpd_ring->desc = (u8 *) ring_header->desc + offset; tpd_ring->size = sizeof(struct tx_packet_desc) * tpd_ring->count; - atomic_set(&tpd_ring->next_to_use, 0); - atomic_set(&tpd_ring->next_to_clean, 0); /* init RFD ring */ rfd_ring->dma = tpd_ring->dma + tpd_ring->size; @@ -223,9 +281,7 @@ s32 atl1_setup_ring_resources(struct atl1_adapter *adapter) rfd_ring->dma += offset; rfd_ring->desc = (u8 *) tpd_ring->desc + (tpd_ring->size + offset); rfd_ring->size = sizeof(struct rx_free_desc) * rfd_ring->count; - rfd_ring->next_to_clean = 0; - /* rfd_ring->next_to_use = rfd_ring->count - 1; */ - atomic_set(&rfd_ring->next_to_use, 0); + /* init RRD ring */ rrd_ring->dma = rfd_ring->dma + rfd_ring->size; @@ -233,23 +289,22 @@ s32 atl1_setup_ring_resources(struct atl1_adapter *adapter) rrd_ring->dma += offset; rrd_ring->desc = (u8 *) rfd_ring->desc + (rfd_ring->size + offset); rrd_ring->size = sizeof(struct rx_return_desc) * rrd_ring->count; - rrd_ring->next_to_use = 0; - atomic_set(&rrd_ring->next_to_clean, 0); + /* init CMB */ adapter->cmb.dma = rrd_ring->dma + rrd_ring->size; offset = (adapter->cmb.dma & 0x7) ? (8 - (adapter->cmb.dma & 0x7)) : 0; adapter->cmb.dma += offset; - adapter->cmb.cmb = - (struct coals_msg_block *) ((u8 *) rrd_ring->desc + - (rrd_ring->size + offset)); + adapter->cmb.cmb = (struct coals_msg_block *) + ((u8 *) rrd_ring->desc + (rrd_ring->size + offset)); /* init SMB */ adapter->smb.dma = adapter->cmb.dma + sizeof(struct coals_msg_block); offset = (adapter->smb.dma & 0x7) ? (8 - (adapter->smb.dma & 0x7)) : 0; adapter->smb.dma += offset; adapter->smb.smb = (struct stats_msg_block *) - ((u8 *) adapter->cmb.cmb + (sizeof(struct coals_msg_block) + offset)); + ((u8 *) adapter->cmb.cmb + + (sizeof(struct coals_msg_block) + offset)); return ATL1_SUCCESS; @@ -258,559 +313,133 @@ err_nomem: return -ENOMEM; } -/* - * atl1_irq_enable - Enable default interrupt generation settings - * @adapter: board private structure - */ -static void atl1_irq_enable(struct atl1_adapter *adapter) -{ - if (likely(!atomic_dec_and_test(&adapter->irq_sem))) - iowrite32(IMR_NORMAL_MASK, adapter->hw.hw_addr + REG_IMR); -} - -static void atl1_clear_phy_int(struct atl1_adapter *adapter) -{ - u16 phy_data; - unsigned long flags; - - spin_lock_irqsave(&adapter->lock, flags); - atl1_read_phy_reg(&adapter->hw, 19, &phy_data); - spin_unlock_irqrestore(&adapter->lock, flags); -} - -static void atl1_inc_smb(struct atl1_adapter *adapter) -{ - struct stats_msg_block *smb = adapter->smb.smb; - - /* Fill out the OS statistics structure */ - adapter->soft_stats.rx_packets += smb->rx_ok; - adapter->soft_stats.tx_packets += smb->tx_ok; - adapter->soft_stats.rx_bytes += smb->rx_byte_cnt; - adapter->soft_stats.tx_bytes += smb->tx_byte_cnt; - adapter->soft_stats.multicast += smb->rx_mcast; - adapter->soft_stats.collisions += (smb->tx_1_col + - smb->tx_2_col * 2 + - smb->tx_late_col + - smb->tx_abort_col * - adapter->hw.max_retry); - - /* Rx Errors */ - adapter->soft_stats.rx_errors += (smb->rx_frag + - smb->rx_fcs_err + - smb->rx_len_err + - smb->rx_sz_ov + - smb->rx_rxf_ov + - smb->rx_rrd_ov + smb->rx_align_err); - adapter->soft_stats.rx_fifo_errors += smb->rx_rxf_ov; - adapter->soft_stats.rx_length_errors += smb->rx_len_err; - adapter->soft_stats.rx_crc_errors += smb->rx_fcs_err; - adapter->soft_stats.rx_frame_errors += smb->rx_align_err; - adapter->soft_stats.rx_missed_errors += (smb->rx_rrd_ov + - smb->rx_rxf_ov); - - adapter->soft_stats.rx_pause += smb->rx_pause; - adapter->soft_stats.rx_rrd_ov += smb->rx_rrd_ov; - adapter->soft_stats.rx_trunc += smb->rx_sz_ov; - - /* Tx Errors */ - adapter->soft_stats.tx_errors += (smb->tx_late_col + - smb->tx_abort_col + - smb->tx_underrun + smb->tx_trunc); - adapter->soft_stats.tx_fifo_errors += smb->tx_underrun; - adapter->soft_stats.tx_aborted_errors += smb->tx_abort_col; - adapter->soft_stats.tx_window_errors += smb->tx_late_col; - - adapter->soft_stats.excecol += smb->tx_abort_col; - adapter->soft_stats.deffer += smb->tx_defer; - adapter->soft_stats.scc += smb->tx_1_col; - adapter->soft_stats.mcc += smb->tx_2_col; - adapter->soft_stats.latecol += smb->tx_late_col; - adapter->soft_stats.tx_underun += smb->tx_underrun; - adapter->soft_stats.tx_trunc += smb->tx_trunc; - adapter->soft_stats.tx_pause += smb->tx_pause; - - adapter->net_stats.rx_packets = adapter->soft_stats.rx_packets; - adapter->net_stats.tx_packets = adapter->soft_stats.tx_packets; - adapter->net_stats.rx_bytes = adapter->soft_stats.rx_bytes; - adapter->net_stats.tx_bytes = adapter->soft_stats.tx_bytes; - adapter->net_stats.multicast = adapter->soft_stats.multicast; - adapter->net_stats.collisions = adapter->soft_stats.collisions; - adapter->net_stats.rx_errors = adapter->soft_stats.rx_errors; - adapter->net_stats.rx_over_errors = - adapter->soft_stats.rx_missed_errors; - adapter->net_stats.rx_length_errors = - adapter->soft_stats.rx_length_errors; - adapter->net_stats.rx_crc_errors = adapter->soft_stats.rx_crc_errors; - adapter->net_stats.rx_frame_errors = - adapter->soft_stats.rx_frame_errors; - adapter->net_stats.rx_fifo_errors = adapter->soft_stats.rx_fifo_errors; - adapter->net_stats.rx_missed_errors = - adapter->soft_stats.rx_missed_errors; - adapter->net_stats.tx_errors = adapter->soft_stats.tx_errors; - adapter->net_stats.tx_fifo_errors = adapter->soft_stats.tx_fifo_errors; - adapter->net_stats.tx_aborted_errors = - adapter->soft_stats.tx_aborted_errors; - adapter->net_stats.tx_window_errors = - adapter->soft_stats.tx_window_errors; - adapter->net_stats.tx_carrier_errors = - adapter->soft_stats.tx_carrier_errors; -} - -static void atl1_rx_checksum(struct atl1_adapter *adapter, - struct rx_return_desc *rrd, - struct sk_buff *skb) +void atl1_init_ring_ptrs(struct atl1_adapter *adapter) { - skb->ip_summed = CHECKSUM_NONE; - - if (unlikely(rrd->pkt_flg & PACKET_FLAG_ERR)) { - if (rrd->err_flg & (ERR_FLAG_CRC | ERR_FLAG_TRUNC | - ERR_FLAG_CODE | ERR_FLAG_OV)) { - adapter->hw_csum_err++; - dev_dbg(&adapter->pdev->dev, "rx checksum error\n"); - return; - } - } + struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring; + struct atl1_rfd_ring *rfd_ring = &adapter->rfd_ring; + struct atl1_rrd_ring *rrd_ring = &adapter->rrd_ring; - /* not IPv4 */ - if (!(rrd->pkt_flg & PACKET_FLAG_IPV4)) - /* checksum is invalid, but it's not an IPv4 pkt, so ok */ - return; + atomic_set(&tpd_ring->next_to_use, 0); + atomic_set(&tpd_ring->next_to_clean, 0); - /* IPv4 packet */ - if (likely(!(rrd->err_flg & - (ERR_FLAG_IP_CHKSUM | ERR_FLAG_L4_CHKSUM)))) { - skb->ip_summed = CHECKSUM_UNNECESSARY; - adapter->hw_csum_good++; - return; - } + rfd_ring->next_to_clean = 0; + atomic_set(&rfd_ring->next_to_use, 0); - /* IPv4, but hardware thinks its checksum is wrong */ - dev_dbg(&adapter->pdev->dev, - "hw csum wrong, pkt_flag:%x, err_flag:%x\n", - rrd->pkt_flg, rrd->err_flg); - skb->ip_summed = CHECKSUM_COMPLETE; - skb->csum = htons(rrd->xsz.xsum_sz.rx_chksum); - adapter->hw_csum_err++; - return; + rrd_ring->next_to_use = 0; + atomic_set(&rrd_ring->next_to_clean, 0); } /* - * atl1_alloc_rx_buffers - Replace used receive buffers - * @adapter: address of board private structure + * atl1_clean_rx_ring - Free RFD Buffers + * @adapter: board private structure */ -static u16 atl1_alloc_rx_buffers(struct atl1_adapter *adapter) -{ - struct atl1_rfd_ring *rfd_ring = &adapter->rfd_ring; - struct pci_dev *pdev = adapter->pdev; - struct page *page; - unsigned long offset; - struct atl1_buffer *buffer_info, *next_info; - struct sk_buff *skb; - u16 num_alloc = 0; - u16 rfd_next_to_use, next_next; - struct rx_free_desc *rfd_desc; - - next_next = rfd_next_to_use = atomic_read(&rfd_ring->next_to_use); - if (++next_next == rfd_ring->count) - next_next = 0; - buffer_info = &rfd_ring->buffer_info[rfd_next_to_use]; - next_info = &rfd_ring->buffer_info[next_next]; - - while (!buffer_info->alloced && !next_info->alloced) { - if (buffer_info->skb) { - buffer_info->alloced = 1; - goto next; - } - - rfd_desc = ATL1_RFD_DESC(rfd_ring, rfd_next_to_use); - - skb = dev_alloc_skb(adapter->rx_buffer_len + NET_IP_ALIGN); - if (unlikely(!skb)) { /* Better luck next round */ - adapter->net_stats.rx_dropped++; - break; - } - - /* - * Make buffer alignment 2 beyond a 16 byte boundary - * this will result in a 16 byte aligned IP header after - * the 14 byte MAC header is removed - */ - skb_reserve(skb, NET_IP_ALIGN); - - buffer_info->alloced = 1; - buffer_info->skb = skb; - buffer_info->length = (u16) adapter->rx_buffer_len; - page = virt_to_page(skb->data); - offset = (unsigned long)skb->data & ~PAGE_MASK; - buffer_info->dma = pci_map_page(pdev, page, offset, - adapter->rx_buffer_len, - PCI_DMA_FROMDEVICE); - rfd_desc->buffer_addr = cpu_to_le64(buffer_info->dma); - rfd_desc->buf_len = cpu_to_le16(adapter->rx_buffer_len); - rfd_desc->coalese = 0; - -next: - rfd_next_to_use = next_next; - if (unlikely(++next_next == rfd_ring->count)) - next_next = 0; - - buffer_info = &rfd_ring->buffer_info[rfd_next_to_use]; - next_info = &rfd_ring->buffer_info[next_next]; - num_alloc++; - } - - if (num_alloc) { - /* - * Force memory writes to complete before letting h/w - * know there are new descriptors to fetch. (Only - * applicable for weak-ordered memory model archs, - * such as IA-64). - */ - wmb(); - atomic_set(&rfd_ring->next_to_use, (int)rfd_next_to_use); - } - return num_alloc; -} - -static void atl1_intr_rx(struct atl1_adapter *adapter) +static void atl1_clean_rx_ring(struct atl1_adapter *adapter) { - int i, count; - u16 length; - u16 rrd_next_to_clean; - u32 value; struct atl1_rfd_ring *rfd_ring = &adapter->rfd_ring; struct atl1_rrd_ring *rrd_ring = &adapter->rrd_ring; struct atl1_buffer *buffer_info; - struct rx_return_desc *rrd; - struct sk_buff *skb; - - count = 0; - - rrd_next_to_clean = atomic_read(&rrd_ring->next_to_clean); - - while (1) { - rrd = ATL1_RRD_DESC(rrd_ring, rrd_next_to_clean); - i = 1; - if (likely(rrd->xsz.valid)) { /* packet valid */ -chk_rrd: - /* check rrd status */ - if (likely(rrd->num_buf == 1)) - goto rrd_ok; - - /* rrd seems to be bad */ - if (unlikely(i-- > 0)) { - /* rrd may not be DMAed completely */ - dev_dbg(&adapter->pdev->dev, - "incomplete RRD DMA transfer\n"); - udelay(1); - goto chk_rrd; - } - /* bad rrd */ - dev_dbg(&adapter->pdev->dev, "bad RRD\n"); - /* see if update RFD index */ - if (rrd->num_buf > 1) { - u16 num_buf; - num_buf = - (rrd->xsz.xsum_sz.pkt_size + - adapter->rx_buffer_len - - 1) / adapter->rx_buffer_len; - if (rrd->num_buf == num_buf) { - /* clean alloc flag for bad rrd */ - while (rfd_ring->next_to_clean != - (rrd->buf_indx + num_buf)) { - rfd_ring->buffer_info[rfd_ring-> - next_to_clean].alloced = 0; - if (++rfd_ring->next_to_clean == - rfd_ring->count) { - rfd_ring-> - next_to_clean = 0; - } - } - } - } - - /* update rrd */ - rrd->xsz.valid = 0; - if (++rrd_next_to_clean == rrd_ring->count) - rrd_next_to_clean = 0; - count++; - continue; - } else { /* current rrd still not be updated */ + struct pci_dev *pdev = adapter->pdev; + unsigned long size; + unsigned int i; - break; - } -rrd_ok: - /* clean alloc flag for bad rrd */ - while (rfd_ring->next_to_clean != rrd->buf_indx) { - rfd_ring->buffer_info[rfd_ring->next_to_clean].alloced = - 0; - if (++rfd_ring->next_to_clean == rfd_ring->count) - rfd_ring->next_to_clean = 0; + /* Free all the Rx ring sk_buffs */ + for (i = 0; i < rfd_ring->count; i++) { + buffer_info = &rfd_ring->buffer_info[i]; + if (buffer_info->dma) { + pci_unmap_page(pdev, buffer_info->dma, + buffer_info->length, PCI_DMA_FROMDEVICE); + buffer_info->dma = 0; } - - buffer_info = &rfd_ring->buffer_info[rrd->buf_indx]; - if (++rfd_ring->next_to_clean == rfd_ring->count) - rfd_ring->next_to_clean = 0; - - /* update rrd next to clean */ - if (++rrd_next_to_clean == rrd_ring->count) - rrd_next_to_clean = 0; - count++; - - if (unlikely(rrd->pkt_flg & PACKET_FLAG_ERR)) { - if (!(rrd->err_flg & - (ERR_FLAG_IP_CHKSUM | ERR_FLAG_L4_CHKSUM - | ERR_FLAG_LEN))) { - /* packet error, don't need upstream */ - buffer_info->alloced = 0; - rrd->xsz.valid = 0; - continue; - } + if (buffer_info->skb) { + dev_kfree_skb(buffer_info->skb); + buffer_info->skb = NULL; } - - /* Good Receive */ - pci_unmap_page(adapter->pdev, buffer_info->dma, - buffer_info->length, PCI_DMA_FROMDEVICE); - skb = buffer_info->skb; - length = le16_to_cpu(rrd->xsz.xsum_sz.pkt_size); - - skb_put(skb, length - ETHERNET_FCS_SIZE); - - /* Receive Checksum Offload */ - atl1_rx_checksum(adapter, rrd, skb); - skb->protocol = eth_type_trans(skb, adapter->netdev); - - if (adapter->vlgrp && (rrd->pkt_flg & PACKET_FLAG_VLAN_INS)) { - u16 vlan_tag = (rrd->vlan_tag >> 4) | - ((rrd->vlan_tag & 7) << 13) | - ((rrd->vlan_tag & 8) << 9); - vlan_hwaccel_rx(skb, adapter->vlgrp, vlan_tag); - } else - netif_rx(skb); - - /* let protocol layer free skb */ - buffer_info->skb = NULL; - buffer_info->alloced = 0; - rrd->xsz.valid = 0; - - adapter->netdev->last_rx = jiffies; } - atomic_set(&rrd_ring->next_to_clean, rrd_next_to_clean); - - atl1_alloc_rx_buffers(adapter); + size = sizeof(struct atl1_buffer) * rfd_ring->count; + memset(rfd_ring->buffer_info, 0, size); - /* update mailbox ? */ - if (count) { - u32 tpd_next_to_use; - u32 rfd_next_to_use; - u32 rrd_next_to_clean; + /* Zero out the descriptor ring */ + memset(rfd_ring->desc, 0, rfd_ring->size); - spin_lock(&adapter->mb_lock); + rfd_ring->next_to_clean = 0; + atomic_set(&rfd_ring->next_to_use, 0); - tpd_next_to_use = atomic_read(&adapter->tpd_ring.next_to_use); - rfd_next_to_use = - atomic_read(&adapter->rfd_ring.next_to_use); - rrd_next_to_clean = - atomic_read(&adapter->rrd_ring.next_to_clean); - value = ((rfd_next_to_use & MB_RFD_PROD_INDX_MASK) << - MB_RFD_PROD_INDX_SHIFT) | - ((rrd_next_to_clean & MB_RRD_CONS_INDX_MASK) << - MB_RRD_CONS_INDX_SHIFT) | - ((tpd_next_to_use & MB_TPD_PROD_INDX_MASK) << - MB_TPD_PROD_INDX_SHIFT); - iowrite32(value, adapter->hw.hw_addr + REG_MAILBOX); - spin_unlock(&adapter->mb_lock); - } + rrd_ring->next_to_use = 0; + atomic_set(&rrd_ring->next_to_clean, 0); } -static void atl1_intr_tx(struct atl1_adapter *adapter) +/* + * atl1_clean_tx_ring - Free Tx Buffers + * @adapter: board private structure + */ +static void atl1_clean_tx_ring(struct atl1_adapter *adapter) { struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring; struct atl1_buffer *buffer_info; - u16 sw_tpd_next_to_clean; - u16 cmb_tpd_next_to_clean; - - sw_tpd_next_to_clean = atomic_read(&tpd_ring->next_to_clean); - cmb_tpd_next_to_clean = le16_to_cpu(adapter->cmb.cmb->tpd_cons_idx); - - while (cmb_tpd_next_to_clean != sw_tpd_next_to_clean) { - struct tx_packet_desc *tpd; + struct pci_dev *pdev = adapter->pdev; + unsigned long size; + unsigned int i; - tpd = ATL1_TPD_DESC(tpd_ring, sw_tpd_next_to_clean); - buffer_info = &tpd_ring->buffer_info[sw_tpd_next_to_clean]; + /* Free all the Tx ring sk_buffs */ + for (i = 0; i < tpd_ring->count; i++) { + buffer_info = &tpd_ring->buffer_info[i]; if (buffer_info->dma) { - pci_unmap_page(adapter->pdev, buffer_info->dma, - buffer_info->length, PCI_DMA_TODEVICE); + pci_unmap_page(pdev, buffer_info->dma, + buffer_info->length, PCI_DMA_TODEVICE); buffer_info->dma = 0; } + } + for (i = 0; i < tpd_ring->count; i++) { + buffer_info = &tpd_ring->buffer_info[i]; if (buffer_info->skb) { - dev_kfree_skb_irq(buffer_info->skb); + dev_kfree_skb_any(buffer_info->skb); buffer_info->skb = NULL; } - tpd->buffer_addr = 0; - tpd->desc.data = 0; - - if (++sw_tpd_next_to_clean == tpd_ring->count) - sw_tpd_next_to_clean = 0; } - atomic_set(&tpd_ring->next_to_clean, sw_tpd_next_to_clean); - - if (netif_queue_stopped(adapter->netdev) - && netif_carrier_ok(adapter->netdev)) - netif_wake_queue(adapter->netdev); -} -static void atl1_check_for_link(struct atl1_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - u16 phy_data = 0; - - spin_lock(&adapter->lock); - adapter->phy_timer_pending = false; - atl1_read_phy_reg(&adapter->hw, MII_BMSR, &phy_data); - atl1_read_phy_reg(&adapter->hw, MII_BMSR, &phy_data); - spin_unlock(&adapter->lock); - - /* notify upper layer link down ASAP */ - if (!(phy_data & BMSR_LSTATUS)) { /* Link Down */ - if (netif_carrier_ok(netdev)) { /* old link state: Up */ - dev_info(&adapter->pdev->dev, "%s link is down\n", - netdev->name); - adapter->link_speed = SPEED_0; - netif_carrier_off(netdev); - netif_stop_queue(netdev); - } - } - schedule_work(&adapter->link_chg_task); -} - -/* - * atl1_intr - Interrupt Handler - * @irq: interrupt number - * @data: pointer to a network interface device structure - * @pt_regs: CPU registers structure - */ -static irqreturn_t atl1_intr(int irq, void *data) -{ - /*struct atl1_adapter *adapter = ((struct net_device *)data)->priv;*/ - struct atl1_adapter *adapter = netdev_priv(data); - u32 status; - u8 update_rx; - int max_ints = 10; - - status = adapter->cmb.cmb->int_stats; - if (!status) - return IRQ_NONE; - - update_rx = 0; - - do { - /* clear CMB interrupt status at once */ - adapter->cmb.cmb->int_stats = 0; - - if (status & ISR_GPHY) /* clear phy status */ - atl1_clear_phy_int(adapter); - - /* clear ISR status, and Enable CMB DMA/Disable Interrupt */ - iowrite32(status | ISR_DIS_INT, adapter->hw.hw_addr + REG_ISR); - - /* check if SMB intr */ - if (status & ISR_SMB) - atl1_inc_smb(adapter); - - /* check if PCIE PHY Link down */ - if (status & ISR_PHY_LINKDOWN) { - dev_dbg(&adapter->pdev->dev, "pcie phy link down %x\n", - status); - if (netif_running(adapter->netdev)) { /* reset MAC */ - iowrite32(0, adapter->hw.hw_addr + REG_IMR); - schedule_work(&adapter->pcie_dma_to_rst_task); - return IRQ_HANDLED; - } - } - - /* check if DMA read/write error ? */ - if (status & (ISR_DMAR_TO_RST | ISR_DMAW_TO_RST)) { - dev_dbg(&adapter->pdev->dev, - "pcie DMA r/w error (status = 0x%x)\n", - status); - iowrite32(0, adapter->hw.hw_addr + REG_IMR); - schedule_work(&adapter->pcie_dma_to_rst_task); - return IRQ_HANDLED; - } - - /* link event */ - if (status & ISR_GPHY) { - adapter->soft_stats.tx_carrier_errors++; - atl1_check_for_link(adapter); - } - - /* transmit event */ - if (status & ISR_CMB_TX) - atl1_intr_tx(adapter); - - /* rx exception */ - if (unlikely(status & (ISR_RXF_OV | ISR_RFD_UNRUN | - ISR_RRD_OV | ISR_HOST_RFD_UNRUN | - ISR_HOST_RRD_OV | ISR_CMB_RX))) { - if (status & (ISR_RXF_OV | ISR_RFD_UNRUN | - ISR_RRD_OV | ISR_HOST_RFD_UNRUN | - ISR_HOST_RRD_OV)) - dev_dbg(&adapter->pdev->dev, - "rx exception, ISR = 0x%x\n", status); - atl1_intr_rx(adapter); - } - - if (--max_ints < 0) - break; + size = sizeof(struct atl1_buffer) * tpd_ring->count; + memset(tpd_ring->buffer_info, 0, size); - } while ((status = adapter->cmb.cmb->int_stats)); + /* Zero out the descriptor ring */ + memset(tpd_ring->desc, 0, tpd_ring->size); - /* re-enable Interrupt */ - iowrite32(ISR_DIS_SMB | ISR_DIS_DMA, adapter->hw.hw_addr + REG_ISR); - return IRQ_HANDLED; + atomic_set(&tpd_ring->next_to_use, 0); + atomic_set(&tpd_ring->next_to_clean, 0); } /* - * atl1_set_multi - Multicast and Promiscuous mode set - * @netdev: network interface device structure + * atl1_free_ring_resources - Free Tx / RX descriptor Resources + * @adapter: board private structure * - * The set_multi entry point is called whenever the multicast address - * list or the network interface flags are updated. This routine is - * responsible for configuring the hardware for proper multicast, - * promiscuous mode, and all-multi behavior. + * Free all transmit software resources */ -static void atl1_set_multi(struct net_device *netdev) +void atl1_free_ring_resources(struct atl1_adapter *adapter) { - struct atl1_adapter *adapter = netdev_priv(netdev); - struct atl1_hw *hw = &adapter->hw; - struct dev_mc_list *mc_ptr; - u32 rctl; - u32 hash_value; + struct pci_dev *pdev = adapter->pdev; + struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring; + struct atl1_rfd_ring *rfd_ring = &adapter->rfd_ring; + struct atl1_rrd_ring *rrd_ring = &adapter->rrd_ring; + struct atl1_ring_header *ring_header = &adapter->ring_header; - /* Check for Promiscuous and All Multicast modes */ - rctl = ioread32(hw->hw_addr + REG_MAC_CTRL); - if (netdev->flags & IFF_PROMISC) - rctl |= MAC_CTRL_PROMIS_EN; - else if (netdev->flags & IFF_ALLMULTI) { - rctl |= MAC_CTRL_MC_ALL_EN; - rctl &= ~MAC_CTRL_PROMIS_EN; - } else - rctl &= ~(MAC_CTRL_PROMIS_EN | MAC_CTRL_MC_ALL_EN); + atl1_clean_tx_ring(adapter); + atl1_clean_rx_ring(adapter); - iowrite32(rctl, hw->hw_addr + REG_MAC_CTRL); + kfree(tpd_ring->buffer_info); + pci_free_consistent(pdev, ring_header->size, ring_header->desc, + ring_header->dma); - /* clear the old settings from the multicast hash table */ - iowrite32(0, hw->hw_addr + REG_RX_HASH_TABLE); - iowrite32(0, (hw->hw_addr + REG_RX_HASH_TABLE) + (1 << 2)); + tpd_ring->buffer_info = NULL; + tpd_ring->desc = NULL; + tpd_ring->dma = 0; - /* compute mc addresses' hash value ,and put it into hash table */ - for (mc_ptr = netdev->mc_list; mc_ptr; mc_ptr = mc_ptr->next) { - hash_value = atl1_hash_mc_addr(hw, mc_ptr->dmi_addr); - atl1_hash_set(hw, hash_value); - } + rfd_ring->buffer_info = NULL; + rfd_ring->desc = NULL; + rfd_ring->dma = 0; + + rrd_ring->desc = NULL; + rrd_ring->dma = 0; } static void atl1_setup_mac_ctrl(struct atl1_adapter *adapter) @@ -851,6 +480,31 @@ static void atl1_setup_mac_ctrl(struct atl1_adapter *adapter) iowrite32(value, hw->hw_addr + REG_MAC_CTRL); } +/* + * atl1_set_mac - Change the Ethernet Address of the NIC + * @netdev: network interface device structure + * @p: pointer to an address structure + * + * Returns 0 on success, negative on failure + */ +static int atl1_set_mac(struct net_device *netdev, void *p) +{ + struct atl1_adapter *adapter = netdev_priv(netdev); + struct sockaddr *addr = p; + + if (netif_running(netdev)) + return -EBUSY; + + if (!is_valid_ether_addr(addr->sa_data)) + return -EADDRNOTAVAIL; + + memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); + memcpy(adapter->hw.mac_addr, addr->sa_data, netdev->addr_len); + + atl1_set_mac_addr(&adapter->hw); + return 0; +} + static u32 atl1_check_link(struct atl1_adapter *adapter) { struct atl1_hw *hw = &adapter->hw; @@ -958,6 +612,103 @@ static u32 atl1_check_link(struct atl1_adapter *adapter) return ATL1_SUCCESS; } +static void atl1_check_for_link(struct atl1_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + u16 phy_data = 0; + + spin_lock(&adapter->lock); + adapter->phy_timer_pending = false; + atl1_read_phy_reg(&adapter->hw, MII_BMSR, &phy_data); + atl1_read_phy_reg(&adapter->hw, MII_BMSR, &phy_data); + spin_unlock(&adapter->lock); + + /* notify upper layer link down ASAP */ + if (!(phy_data & BMSR_LSTATUS)) { /* Link Down */ + if (netif_carrier_ok(netdev)) { /* old link state: Up */ + dev_info(&adapter->pdev->dev, "%s link is down\n", + netdev->name); + adapter->link_speed = SPEED_0; + netif_carrier_off(netdev); + netif_stop_queue(netdev); + } + } + schedule_work(&adapter->link_chg_task); +} + +/* + * atl1_set_multi - Multicast and Promiscuous mode set + * @netdev: network interface device structure + * + * The set_multi entry point is called whenever the multicast address + * list or the network interface flags are updated. This routine is + * responsible for configuring the hardware for proper multicast, + * promiscuous mode, and all-multi behavior. + */ +static void atl1_set_multi(struct net_device *netdev) +{ + struct atl1_adapter *adapter = netdev_priv(netdev); + struct atl1_hw *hw = &adapter->hw; + struct dev_mc_list *mc_ptr; + u32 rctl; + u32 hash_value; + + /* Check for Promiscuous and All Multicast modes */ + rctl = ioread32(hw->hw_addr + REG_MAC_CTRL); + if (netdev->flags & IFF_PROMISC) + rctl |= MAC_CTRL_PROMIS_EN; + else if (netdev->flags & IFF_ALLMULTI) { + rctl |= MAC_CTRL_MC_ALL_EN; + rctl &= ~MAC_CTRL_PROMIS_EN; + } else + rctl &= ~(MAC_CTRL_PROMIS_EN | MAC_CTRL_MC_ALL_EN); + + iowrite32(rctl, hw->hw_addr + REG_MAC_CTRL); + + /* clear the old settings from the multicast hash table */ + iowrite32(0, hw->hw_addr + REG_RX_HASH_TABLE); + iowrite32(0, (hw->hw_addr + REG_RX_HASH_TABLE) + (1 << 2)); + + /* compute mc addresses' hash value ,and put it into hash table */ + for (mc_ptr = netdev->mc_list; mc_ptr; mc_ptr = mc_ptr->next) { + hash_value = atl1_hash_mc_addr(hw, mc_ptr->dmi_addr); + atl1_hash_set(hw, hash_value); + } +} + +/* + * atl1_change_mtu - Change the Maximum Transfer Unit + * @netdev: network interface device structure + * @new_mtu: new value for maximum frame size + * + * Returns 0 on success, negative on failure + */ +static int atl1_change_mtu(struct net_device *netdev, int new_mtu) +{ + struct atl1_adapter *adapter = netdev_priv(netdev); + int old_mtu = netdev->mtu; + int max_frame = new_mtu + ENET_HEADER_SIZE + ETHERNET_FCS_SIZE; + + if ((max_frame < MINIMUM_ETHERNET_FRAME_SIZE) || + (max_frame > MAX_JUMBO_FRAME_SIZE)) { + dev_warn(&adapter->pdev->dev, "invalid MTU setting\n"); + return -EINVAL; + } + + adapter->hw.max_frame_size = max_frame; + adapter->hw.tx_jumbo_task_th = (max_frame + 7) >> 3; + adapter->rx_buffer_len = (max_frame + 7) & ~7; + adapter->hw.rx_jumbo_th = adapter->rx_buffer_len / 8; + + netdev->mtu = new_mtu; + if ((old_mtu != new_mtu) && netif_running(netdev)) { + atl1_down(adapter); + atl1_up(adapter); + } + + return 0; +} + static void set_flow_ctrl_old(struct atl1_adapter *adapter) { u32 hi, lo, value; @@ -970,7 +721,7 @@ static void set_flow_ctrl_old(struct atl1_adapter *adapter) lo = value * 7 / 8; value = ((hi & RXQ_RXF_PAUSE_TH_HI_MASK) << RXQ_RXF_PAUSE_TH_HI_SHIFT) | - ((lo & RXQ_RXF_PAUSE_TH_LO_MASK) << RXQ_RXF_PAUSE_TH_LO_SHIFT); + ((lo & RXQ_RXF_PAUSE_TH_LO_MASK) << RXQ_RXF_PAUSE_TH_LO_SHIFT); iowrite32(value, adapter->hw.hw_addr + REG_RXQ_RXF_PAUSE_THRESH); /* RRD Flow Control */ @@ -980,7 +731,7 @@ static void set_flow_ctrl_old(struct atl1_adapter *adapter) if (lo < 2) lo = 2; value = ((hi & RXQ_RRD_PAUSE_TH_HI_MASK) << RXQ_RRD_PAUSE_TH_HI_SHIFT) | - ((lo & RXQ_RRD_PAUSE_TH_LO_MASK) << RXQ_RRD_PAUSE_TH_LO_SHIFT); + ((lo & RXQ_RRD_PAUSE_TH_LO_MASK) << RXQ_RRD_PAUSE_TH_LO_SHIFT); iowrite32(value, adapter->hw.hw_addr + REG_RXQ_RRD_PAUSE_THRESH); } @@ -997,7 +748,7 @@ static void set_flow_ctrl_new(struct atl1_hw *hw) if (hi < lo) hi = lo + 16; value = ((hi & RXQ_RXF_PAUSE_TH_HI_MASK) << RXQ_RXF_PAUSE_TH_HI_SHIFT) | - ((lo & RXQ_RXF_PAUSE_TH_LO_MASK) << RXQ_RXF_PAUSE_TH_LO_SHIFT); + ((lo & RXQ_RXF_PAUSE_TH_LO_MASK) << RXQ_RXF_PAUSE_TH_LO_SHIFT); iowrite32(value, hw->hw_addr + REG_RXQ_RXF_PAUSE_THRESH); /* RRD Flow Control */ @@ -1009,7 +760,7 @@ static void set_flow_ctrl_new(struct atl1_hw *hw) if (hi < lo) hi = lo + 3; value = ((hi & RXQ_RRD_PAUSE_TH_HI_MASK) << RXQ_RRD_PAUSE_TH_HI_SHIFT) | - ((lo & RXQ_RRD_PAUSE_TH_LO_MASK) << RXQ_RRD_PAUSE_TH_LO_SHIFT); + ((lo & RXQ_RRD_PAUSE_TH_LO_MASK) << RXQ_RRD_PAUSE_TH_LO_SHIFT); iowrite32(value, hw->hw_addr + REG_RXQ_RRD_PAUSE_THRESH); } @@ -1058,7 +809,8 @@ static u32 atl1_configure(struct atl1_adapter *adapter) value <<= 16; value += adapter->rfd_ring.count; iowrite32(value, hw->hw_addr + REG_DESC_RFD_RRD_RING_SIZE); - iowrite32(adapter->tpd_ring.count, hw->hw_addr + REG_DESC_TPD_RING_SIZE); + iowrite32(adapter->tpd_ring.count, hw->hw_addr + + REG_DESC_TPD_RING_SIZE); /* Load Ptr */ iowrite32(1, hw->hw_addr + REG_LOAD_PTR); @@ -1066,31 +818,31 @@ static u32 atl1_configure(struct atl1_adapter *adapter) /* config Mailbox */ value = ((atomic_read(&adapter->tpd_ring.next_to_use) & MB_TPD_PROD_INDX_MASK) << MB_TPD_PROD_INDX_SHIFT) | - ((atomic_read(&adapter->rrd_ring.next_to_clean) - & MB_RRD_CONS_INDX_MASK) << MB_RRD_CONS_INDX_SHIFT) | - ((atomic_read(&adapter->rfd_ring.next_to_use) - & MB_RFD_PROD_INDX_MASK) << MB_RFD_PROD_INDX_SHIFT); + ((atomic_read(&adapter->rrd_ring.next_to_clean) + & MB_RRD_CONS_INDX_MASK) << MB_RRD_CONS_INDX_SHIFT) | + ((atomic_read(&adapter->rfd_ring.next_to_use) + & MB_RFD_PROD_INDX_MASK) << MB_RFD_PROD_INDX_SHIFT); iowrite32(value, hw->hw_addr + REG_MAILBOX); /* config IPG/IFG */ value = (((u32) hw->ipgt & MAC_IPG_IFG_IPGT_MASK) << MAC_IPG_IFG_IPGT_SHIFT) | - (((u32) hw->min_ifg & MAC_IPG_IFG_MIFG_MASK) - << MAC_IPG_IFG_MIFG_SHIFT) | - (((u32) hw->ipgr1 & MAC_IPG_IFG_IPGR1_MASK) - << MAC_IPG_IFG_IPGR1_SHIFT) | - (((u32) hw->ipgr2 & MAC_IPG_IFG_IPGR2_MASK) - << MAC_IPG_IFG_IPGR2_SHIFT); + (((u32) hw->min_ifg & MAC_IPG_IFG_MIFG_MASK) + << MAC_IPG_IFG_MIFG_SHIFT) | + (((u32) hw->ipgr1 & MAC_IPG_IFG_IPGR1_MASK) + << MAC_IPG_IFG_IPGR1_SHIFT) | + (((u32) hw->ipgr2 & MAC_IPG_IFG_IPGR2_MASK) + << MAC_IPG_IFG_IPGR2_SHIFT); iowrite32(value, hw->hw_addr + REG_MAC_IPG_IFG); /* config Half-Duplex Control */ value = ((u32) hw->lcol & MAC_HALF_DUPLX_CTRL_LCOL_MASK) | - (((u32) hw->max_retry & MAC_HALF_DUPLX_CTRL_RETRY_MASK) - << MAC_HALF_DUPLX_CTRL_RETRY_SHIFT) | - MAC_HALF_DUPLX_CTRL_EXC_DEF_EN | - (0xa << MAC_HALF_DUPLX_CTRL_ABEBT_SHIFT) | - (((u32) hw->jam_ipg & MAC_HALF_DUPLX_CTRL_JAMIPG_MASK) - << MAC_HALF_DUPLX_CTRL_JAMIPG_SHIFT); + (((u32) hw->max_retry & MAC_HALF_DUPLX_CTRL_RETRY_MASK) + << MAC_HALF_DUPLX_CTRL_RETRY_SHIFT) | + MAC_HALF_DUPLX_CTRL_EXC_DEF_EN | + (0xa << MAC_HALF_DUPLX_CTRL_ABEBT_SHIFT) | + (((u32) hw->jam_ipg & MAC_HALF_DUPLX_CTRL_JAMIPG_MASK) + << MAC_HALF_DUPLX_CTRL_JAMIPG_SHIFT); iowrite32(value, hw->hw_addr + REG_MAC_HALF_DUPLX_CTRL); /* set Interrupt Moderator Timer */ @@ -1106,10 +858,10 @@ static u32 atl1_configure(struct atl1_adapter *adapter) /* jumbo size & rrd retirement timer */ value = (((u32) hw->rx_jumbo_th & RXQ_JMBOSZ_TH_MASK) << RXQ_JMBOSZ_TH_SHIFT) | - (((u32) hw->rx_jumbo_lkah & RXQ_JMBO_LKAH_MASK) - << RXQ_JMBO_LKAH_SHIFT) | - (((u32) hw->rrd_ret_timer & RXQ_RRD_TIMER_MASK) - << RXQ_RRD_TIMER_SHIFT); + (((u32) hw->rx_jumbo_lkah & RXQ_JMBO_LKAH_MASK) + << RXQ_JMBO_LKAH_SHIFT) | + (((u32) hw->rrd_ret_timer & RXQ_RRD_TIMER_MASK) + << RXQ_RRD_TIMER_SHIFT); iowrite32(value, hw->hw_addr + REG_RXQ_JMBOSZ_RRDTIM); /* Flow Control */ @@ -1128,35 +880,36 @@ static u32 atl1_configure(struct atl1_adapter *adapter) /* config TXQ */ value = (((u32) hw->tpd_burst & TXQ_CTRL_TPD_BURST_NUM_MASK) << TXQ_CTRL_TPD_BURST_NUM_SHIFT) | - (((u32) hw->txf_burst & TXQ_CTRL_TXF_BURST_NUM_MASK) - << TXQ_CTRL_TXF_BURST_NUM_SHIFT) | - (((u32) hw->tpd_fetch_th & TXQ_CTRL_TPD_FETCH_TH_MASK) - << TXQ_CTRL_TPD_FETCH_TH_SHIFT) | TXQ_CTRL_ENH_MODE | TXQ_CTRL_EN; + (((u32) hw->txf_burst & TXQ_CTRL_TXF_BURST_NUM_MASK) + << TXQ_CTRL_TXF_BURST_NUM_SHIFT) | + (((u32) hw->tpd_fetch_th & TXQ_CTRL_TPD_FETCH_TH_MASK) + << TXQ_CTRL_TPD_FETCH_TH_SHIFT) | TXQ_CTRL_ENH_MODE | + TXQ_CTRL_EN; iowrite32(value, hw->hw_addr + REG_TXQ_CTRL); /* min tpd fetch gap & tx jumbo packet size threshold for taskoffload */ value = (((u32) hw->tx_jumbo_task_th & TX_JUMBO_TASK_TH_MASK) - << TX_JUMBO_TASK_TH_SHIFT) | - (((u32) hw->tpd_fetch_gap & TX_TPD_MIN_IPG_MASK) - << TX_TPD_MIN_IPG_SHIFT); + << TX_JUMBO_TASK_TH_SHIFT) | + (((u32) hw->tpd_fetch_gap & TX_TPD_MIN_IPG_MASK) + << TX_TPD_MIN_IPG_SHIFT); iowrite32(value, hw->hw_addr + REG_TX_JUMBO_TASK_TH_TPD_IPG); /* config RXQ */ value = (((u32) hw->rfd_burst & RXQ_CTRL_RFD_BURST_NUM_MASK) - << RXQ_CTRL_RFD_BURST_NUM_SHIFT) | - (((u32) hw->rrd_burst & RXQ_CTRL_RRD_BURST_THRESH_MASK) - << RXQ_CTRL_RRD_BURST_THRESH_SHIFT) | - (((u32) hw->rfd_fetch_gap & RXQ_CTRL_RFD_PREF_MIN_IPG_MASK) - << RXQ_CTRL_RFD_PREF_MIN_IPG_SHIFT) | - RXQ_CTRL_CUT_THRU_EN | RXQ_CTRL_EN; + << RXQ_CTRL_RFD_BURST_NUM_SHIFT) | + (((u32) hw->rrd_burst & RXQ_CTRL_RRD_BURST_THRESH_MASK) + << RXQ_CTRL_RRD_BURST_THRESH_SHIFT) | + (((u32) hw->rfd_fetch_gap & RXQ_CTRL_RFD_PREF_MIN_IPG_MASK) + << RXQ_CTRL_RFD_PREF_MIN_IPG_SHIFT) | RXQ_CTRL_CUT_THRU_EN | + RXQ_CTRL_EN; iowrite32(value, hw->hw_addr + REG_RXQ_CTRL); /* config DMA Engine */ value = ((((u32) hw->dmar_block) & DMA_CTRL_DMAR_BURST_LEN_MASK) - << DMA_CTRL_DMAR_BURST_LEN_SHIFT) | - ((((u32) hw->dmaw_block) & DMA_CTRL_DMAR_BURST_LEN_MASK) - << DMA_CTRL_DMAR_BURST_LEN_SHIFT) | - DMA_CTRL_DMAR_EN | DMA_CTRL_DMAW_EN; + << DMA_CTRL_DMAR_BURST_LEN_SHIFT) | + ((((u32) hw->dmaw_block) & DMA_CTRL_DMAR_BURST_LEN_MASK) + << DMA_CTRL_DMAR_BURST_LEN_SHIFT) | DMA_CTRL_DMAR_EN | + DMA_CTRL_DMAW_EN; value |= (u32) hw->dma_ord; if (atl1_rcb_128 == hw->rcb_value) value |= DMA_CTRL_RCB_VALUE; @@ -1186,56 +939,495 @@ static u32 atl1_configure(struct atl1_adapter *adapter) } /* + * atl1_pcie_patch - Patch for PCIE module + */ +static void atl1_pcie_patch(struct atl1_adapter *adapter) +{ + u32 value; + + /* much vendor magic here */ + value = 0x6500; + iowrite32(value, adapter->hw.hw_addr + 0x12FC); + /* pcie flow control mode change */ + value = ioread32(adapter->hw.hw_addr + 0x1008); + value |= 0x8000; + iowrite32(value, adapter->hw.hw_addr + 0x1008); +} + +/* + * When ACPI resume on some VIA MotherBoard, the Interrupt Disable bit/0x400 + * on PCI Command register is disable. + * The function enable this bit. + * Brackett, 2006/03/15 + */ +static void atl1_via_workaround(struct atl1_adapter *adapter) +{ + unsigned long value; + + value = ioread16(adapter->hw.hw_addr + PCI_COMMAND); + if (value & PCI_COMMAND_INTX_DISABLE) + value &= ~PCI_COMMAND_INTX_DISABLE; + iowrite32(value, adapter->hw.hw_addr + PCI_COMMAND); +} + +/* + * atl1_irq_enable - Enable default interrupt generation settings + * @adapter: board private structure + */ +static void atl1_irq_enable(struct atl1_adapter *adapter) +{ + iowrite32(IMR_NORMAL_MASK, adapter->hw.hw_addr + REG_IMR); + ioread32(adapter->hw.hw_addr + REG_IMR); +} + +/* * atl1_irq_disable - Mask off interrupt generation on the NIC * @adapter: board private structure */ static void atl1_irq_disable(struct atl1_adapter *adapter) { - atomic_inc(&adapter->irq_sem); iowrite32(0, adapter->hw.hw_addr + REG_IMR); ioread32(adapter->hw.hw_addr + REG_IMR); synchronize_irq(adapter->pdev->irq); } -static void atl1_vlan_rx_register(struct net_device *netdev, - struct vlan_group *grp) +static void atl1_clear_phy_int(struct atl1_adapter *adapter) { - struct atl1_adapter *adapter = netdev_priv(netdev); + u16 phy_data; unsigned long flags; - u32 ctrl; spin_lock_irqsave(&adapter->lock, flags); - /* atl1_irq_disable(adapter); */ - adapter->vlgrp = grp; + atl1_read_phy_reg(&adapter->hw, 19, &phy_data); + spin_unlock_irqrestore(&adapter->lock, flags); +} - if (grp) { - /* enable VLAN tag insert/strip */ - ctrl = ioread32(adapter->hw.hw_addr + REG_MAC_CTRL); - ctrl |= MAC_CTRL_RMV_VLAN; - iowrite32(ctrl, adapter->hw.hw_addr + REG_MAC_CTRL); - } else { - /* disable VLAN tag insert/strip */ - ctrl = ioread32(adapter->hw.hw_addr + REG_MAC_CTRL); - ctrl &= ~MAC_CTRL_RMV_VLAN; - iowrite32(ctrl, adapter->hw.hw_addr + REG_MAC_CTRL); +static void atl1_inc_smb(struct atl1_adapter *adapter) +{ + struct stats_msg_block *smb = adapter->smb.smb; + + /* Fill out the OS statistics structure */ + adapter->soft_stats.rx_packets += smb->rx_ok; + adapter->soft_stats.tx_packets += smb->tx_ok; + adapter->soft_stats.rx_bytes += smb->rx_byte_cnt; + adapter->soft_stats.tx_bytes += smb->tx_byte_cnt; + adapter->soft_stats.multicast += smb->rx_mcast; + adapter->soft_stats.collisions += (smb->tx_1_col + smb->tx_2_col * 2 + + smb->tx_late_col + smb->tx_abort_col * adapter->hw.max_retry); + + /* Rx Errors */ + adapter->soft_stats.rx_errors += (smb->rx_frag + smb->rx_fcs_err + + smb->rx_len_err + smb->rx_sz_ov + smb->rx_rxf_ov + + smb->rx_rrd_ov + smb->rx_align_err); + adapter->soft_stats.rx_fifo_errors += smb->rx_rxf_ov; + adapter->soft_stats.rx_length_errors += smb->rx_len_err; + adapter->soft_stats.rx_crc_errors += smb->rx_fcs_err; + adapter->soft_stats.rx_frame_errors += smb->rx_align_err; + adapter->soft_stats.rx_missed_errors += (smb->rx_rrd_ov + + smb->rx_rxf_ov); + + adapter->soft_stats.rx_pause += smb->rx_pause; + adapter->soft_stats.rx_rrd_ov += smb->rx_rrd_ov; + adapter->soft_stats.rx_trunc += smb->rx_sz_ov; + + /* Tx Errors */ + adapter->soft_stats.tx_errors += (smb->tx_late_col + + smb->tx_abort_col + smb->tx_underrun + smb->tx_trunc); + adapter->soft_stats.tx_fifo_errors += smb->tx_underrun; + adapter->soft_stats.tx_aborted_errors += smb->tx_abort_col; + adapter->soft_stats.tx_window_errors += smb->tx_late_col; + + adapter->soft_stats.excecol += smb->tx_abort_col; + adapter->soft_stats.deffer += smb->tx_defer; + adapter->soft_stats.scc += smb->tx_1_col; + adapter->soft_stats.mcc += smb->tx_2_col; + adapter->soft_stats.latecol += smb->tx_late_col; + adapter->soft_stats.tx_underun += smb->tx_underrun; + adapter->soft_stats.tx_trunc += smb->tx_trunc; + adapter->soft_stats.tx_pause += smb->tx_pause; + + adapter->net_stats.rx_packets = adapter->soft_stats.rx_packets; + adapter->net_stats.tx_packets = adapter->soft_stats.tx_packets; + adapter->net_stats.rx_bytes = adapter->soft_stats.rx_bytes; + adapter->net_stats.tx_bytes = adapter->soft_stats.tx_bytes; + adapter->net_stats.multicast = adapter->soft_stats.multicast; + adapter->net_stats.collisions = adapter->soft_stats.collisions; + adapter->net_stats.rx_errors = adapter->soft_stats.rx_errors; + adapter->net_stats.rx_over_errors = + adapter->soft_stats.rx_missed_errors; + adapter->net_stats.rx_length_errors = + adapter->soft_stats.rx_length_errors; + adapter->net_stats.rx_crc_errors = adapter->soft_stats.rx_crc_errors; + adapter->net_stats.rx_frame_errors = + adapter->soft_stats.rx_frame_errors; + adapter->net_stats.rx_fifo_errors = adapter->soft_stats.rx_fifo_errors; + adapter->net_stats.rx_missed_errors = + adapter->soft_stats.rx_missed_errors; + adapter->net_stats.tx_errors = adapter->soft_stats.tx_errors; + adapter->net_stats.tx_fifo_errors = adapter->soft_stats.tx_fifo_errors; + adapter->net_stats.tx_aborted_errors = + adapter->soft_stats.tx_aborted_errors; + adapter->net_stats.tx_window_errors = + adapter->soft_stats.tx_window_errors; + adapter->net_stats.tx_carrier_errors = + adapter->soft_stats.tx_carrier_errors; +} + +/* + * atl1_get_stats - Get System Network Statistics + * @netdev: network interface device structure + * + * Returns the address of the device statistics structure. + * The statistics are actually updated from the timer callback. + */ +static struct net_device_stats *atl1_get_stats(struct net_device *netdev) +{ + struct atl1_adapter *adapter = netdev_priv(netdev); + return &adapter->net_stats; +} + +static void atl1_update_mailbox(struct atl1_adapter *adapter) +{ + unsigned long flags; + u32 tpd_next_to_use; + u32 rfd_next_to_use; + u32 rrd_next_to_clean; + u32 value; + + spin_lock_irqsave(&adapter->mb_lock, flags); + + tpd_next_to_use = atomic_read(&adapter->tpd_ring.next_to_use); + rfd_next_to_use = atomic_read(&adapter->rfd_ring.next_to_use); + rrd_next_to_clean = atomic_read(&adapter->rrd_ring.next_to_clean); + + value = ((rfd_next_to_use & MB_RFD_PROD_INDX_MASK) << + MB_RFD_PROD_INDX_SHIFT) | + ((rrd_next_to_clean & MB_RRD_CONS_INDX_MASK) << + MB_RRD_CONS_INDX_SHIFT) | + ((tpd_next_to_use & MB_TPD_PROD_INDX_MASK) << + MB_TPD_PROD_INDX_SHIFT); + iowrite32(value, adapter->hw.hw_addr + REG_MAILBOX); + + spin_unlock_irqrestore(&adapter->mb_lock, flags); +} + +static void atl1_clean_alloc_flag(struct atl1_adapter *adapter, + struct rx_return_desc *rrd, u16 offset) +{ + struct atl1_rfd_ring *rfd_ring = &adapter->rfd_ring; + + while (rfd_ring->next_to_clean != (rrd->buf_indx + offset)) { + rfd_ring->buffer_info[rfd_ring->next_to_clean].alloced = 0; + if (++rfd_ring->next_to_clean == rfd_ring->count) { + rfd_ring->next_to_clean = 0; + } } +} - /* atl1_irq_enable(adapter); */ - spin_unlock_irqrestore(&adapter->lock, flags); +static void atl1_update_rfd_index(struct atl1_adapter *adapter, + struct rx_return_desc *rrd) +{ + u16 num_buf; + + num_buf = (rrd->xsz.xsum_sz.pkt_size + adapter->rx_buffer_len - 1) / + adapter->rx_buffer_len; + if (rrd->num_buf == num_buf) + /* clean alloc flag for bad rrd */ + atl1_clean_alloc_flag(adapter, rrd, num_buf); } -static void atl1_restore_vlan(struct atl1_adapter *adapter) +static void atl1_rx_checksum(struct atl1_adapter *adapter, + struct rx_return_desc *rrd, struct sk_buff *skb) { - atl1_vlan_rx_register(adapter->netdev, adapter->vlgrp); + struct pci_dev *pdev = adapter->pdev; + + skb->ip_summed = CHECKSUM_NONE; + + if (unlikely(rrd->pkt_flg & PACKET_FLAG_ERR)) { + if (rrd->err_flg & (ERR_FLAG_CRC | ERR_FLAG_TRUNC | + ERR_FLAG_CODE | ERR_FLAG_OV)) { + adapter->hw_csum_err++; + dev_printk(KERN_DEBUG, &pdev->dev, + "rx checksum error\n"); + return; + } + } + + /* not IPv4 */ + if (!(rrd->pkt_flg & PACKET_FLAG_IPV4)) + /* checksum is invalid, but it's not an IPv4 pkt, so ok */ + return; + + /* IPv4 packet */ + if (likely(!(rrd->err_flg & + (ERR_FLAG_IP_CHKSUM | ERR_FLAG_L4_CHKSUM)))) { + skb->ip_summed = CHECKSUM_UNNECESSARY; + adapter->hw_csum_good++; + return; + } + + /* IPv4, but hardware thinks its checksum is wrong */ + dev_printk(KERN_DEBUG, &pdev->dev, + "hw csum wrong, pkt_flag:%x, err_flag:%x\n", + rrd->pkt_flg, rrd->err_flg); + skb->ip_summed = CHECKSUM_COMPLETE; + skb->csum = htons(rrd->xsz.xsum_sz.rx_chksum); + adapter->hw_csum_err++; + return; +} + +/* + * atl1_alloc_rx_buffers - Replace used receive buffers + * @adapter: address of board private structure + */ +static u16 atl1_alloc_rx_buffers(struct atl1_adapter *adapter) +{ + struct atl1_rfd_ring *rfd_ring = &adapter->rfd_ring; + struct pci_dev *pdev = adapter->pdev; + struct page *page; + unsigned long offset; + struct atl1_buffer *buffer_info, *next_info; + struct sk_buff *skb; + u16 num_alloc = 0; + u16 rfd_next_to_use, next_next; + struct rx_free_desc *rfd_desc; + + next_next = rfd_next_to_use = atomic_read(&rfd_ring->next_to_use); + if (++next_next == rfd_ring->count) + next_next = 0; + buffer_info = &rfd_ring->buffer_info[rfd_next_to_use]; + next_info = &rfd_ring->buffer_info[next_next]; + + while (!buffer_info->alloced && !next_info->alloced) { + if (buffer_info->skb) { + buffer_info->alloced = 1; + goto next; + } + + rfd_desc = ATL1_RFD_DESC(rfd_ring, rfd_next_to_use); + + skb = dev_alloc_skb(adapter->rx_buffer_len + NET_IP_ALIGN); + if (unlikely(!skb)) { /* Better luck next round */ + adapter->net_stats.rx_dropped++; + break; + } + + /* + * Make buffer alignment 2 beyond a 16 byte boundary + * this will result in a 16 byte aligned IP header after + * the 14 byte MAC header is removed + */ + skb_reserve(skb, NET_IP_ALIGN); + + buffer_info->alloced = 1; + buffer_info->skb = skb; + buffer_info->length = (u16) adapter->rx_buffer_len; + page = virt_to_page(skb->data); + offset = (unsigned long)skb->data & ~PAGE_MASK; + buffer_info->dma = pci_map_page(pdev, page, offset, + adapter->rx_buffer_len, + PCI_DMA_FROMDEVICE); + rfd_desc->buffer_addr = cpu_to_le64(buffer_info->dma); + rfd_desc->buf_len = cpu_to_le16(adapter->rx_buffer_len); + rfd_desc->coalese = 0; + +next: + rfd_next_to_use = next_next; + if (unlikely(++next_next == rfd_ring->count)) + next_next = 0; + + buffer_info = &rfd_ring->buffer_info[rfd_next_to_use]; + next_info = &rfd_ring->buffer_info[next_next]; + num_alloc++; + } + + if (num_alloc) { + /* + * Force memory writes to complete before letting h/w + * know there are new descriptors to fetch. (Only + * applicable for weak-ordered memory model archs, + * such as IA-64). + */ + wmb(); + atomic_set(&rfd_ring->next_to_use, (int)rfd_next_to_use); + } + return num_alloc; +} + +static void atl1_intr_rx(struct atl1_adapter *adapter) +{ + int i, count; + u16 length; + u16 rrd_next_to_clean; + u32 value; + struct atl1_rfd_ring *rfd_ring = &adapter->rfd_ring; + struct atl1_rrd_ring *rrd_ring = &adapter->rrd_ring; + struct atl1_buffer *buffer_info; + struct rx_return_desc *rrd; + struct sk_buff *skb; + + count = 0; + + rrd_next_to_clean = atomic_read(&rrd_ring->next_to_clean); + + while (1) { + rrd = ATL1_RRD_DESC(rrd_ring, rrd_next_to_clean); + i = 1; + if (likely(rrd->xsz.valid)) { /* packet valid */ +chk_rrd: + /* check rrd status */ + if (likely(rrd->num_buf == 1)) + goto rrd_ok; + + /* rrd seems to be bad */ + if (unlikely(i-- > 0)) { + /* rrd may not be DMAed completely */ + dev_printk(KERN_DEBUG, &adapter->pdev->dev, + "incomplete RRD DMA transfer\n"); + udelay(1); + goto chk_rrd; + } + /* bad rrd */ + dev_printk(KERN_DEBUG, &adapter->pdev->dev, + "bad RRD\n"); + /* see if update RFD index */ + if (rrd->num_buf > 1) + atl1_update_rfd_index(adapter, rrd); + + /* update rrd */ + rrd->xsz.valid = 0; + if (++rrd_next_to_clean == rrd_ring->count) + rrd_next_to_clean = 0; + count++; + continue; + } else { /* current rrd still not be updated */ + + break; + } +rrd_ok: + /* clean alloc flag for bad rrd */ + atl1_clean_alloc_flag(adapter, rrd, 0); + + buffer_info = &rfd_ring->buffer_info[rrd->buf_indx]; + if (++rfd_ring->next_to_clean == rfd_ring->count) + rfd_ring->next_to_clean = 0; + + /* update rrd next to clean */ + if (++rrd_next_to_clean == rrd_ring->count) + rrd_next_to_clean = 0; + count++; + + if (unlikely(rrd->pkt_flg & PACKET_FLAG_ERR)) { + if (!(rrd->err_flg & + (ERR_FLAG_IP_CHKSUM | ERR_FLAG_L4_CHKSUM + | ERR_FLAG_LEN))) { + /* packet error, don't need upstream */ + buffer_info->alloced = 0; + rrd->xsz.valid = 0; + continue; + } + } + + /* Good Receive */ + pci_unmap_page(adapter->pdev, buffer_info->dma, + buffer_info->length, PCI_DMA_FROMDEVICE); + skb = buffer_info->skb; + length = le16_to_cpu(rrd->xsz.xsum_sz.pkt_size); + + skb_put(skb, length - ETHERNET_FCS_SIZE); + + /* Receive Checksum Offload */ + atl1_rx_checksum(adapter, rrd, skb); + skb->protocol = eth_type_trans(skb, adapter->netdev); + + if (adapter->vlgrp && (rrd->pkt_flg & PACKET_FLAG_VLAN_INS)) { + u16 vlan_tag = (rrd->vlan_tag >> 4) | + ((rrd->vlan_tag & 7) << 13) | + ((rrd->vlan_tag & 8) << 9); + vlan_hwaccel_rx(skb, adapter->vlgrp, vlan_tag); + } else + netif_rx(skb); + + /* let protocol layer free skb */ + buffer_info->skb = NULL; + buffer_info->alloced = 0; + rrd->xsz.valid = 0; + + adapter->netdev->last_rx = jiffies; + } + + atomic_set(&rrd_ring->next_to_clean, rrd_next_to_clean); + + atl1_alloc_rx_buffers(adapter); + + /* update mailbox ? */ + if (count) { + u32 tpd_next_to_use; + u32 rfd_next_to_use; + u32 rrd_next_to_clean; + + spin_lock(&adapter->mb_lock); + + tpd_next_to_use = atomic_read(&adapter->tpd_ring.next_to_use); + rfd_next_to_use = + atomic_read(&adapter->rfd_ring.next_to_use); + rrd_next_to_clean = + atomic_read(&adapter->rrd_ring.next_to_clean); + value = ((rfd_next_to_use & MB_RFD_PROD_INDX_MASK) << + MB_RFD_PROD_INDX_SHIFT) | + ((rrd_next_to_clean & MB_RRD_CONS_INDX_MASK) << + MB_RRD_CONS_INDX_SHIFT) | + ((tpd_next_to_use & MB_TPD_PROD_INDX_MASK) << + MB_TPD_PROD_INDX_SHIFT); + iowrite32(value, adapter->hw.hw_addr + REG_MAILBOX); + spin_unlock(&adapter->mb_lock); + } +} + +static void atl1_intr_tx(struct atl1_adapter *adapter) +{ + struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring; + struct atl1_buffer *buffer_info; + u16 sw_tpd_next_to_clean; + u16 cmb_tpd_next_to_clean; + + sw_tpd_next_to_clean = atomic_read(&tpd_ring->next_to_clean); + cmb_tpd_next_to_clean = le16_to_cpu(adapter->cmb.cmb->tpd_cons_idx); + + while (cmb_tpd_next_to_clean != sw_tpd_next_to_clean) { + struct tx_packet_desc *tpd; + + tpd = ATL1_TPD_DESC(tpd_ring, sw_tpd_next_to_clean); + buffer_info = &tpd_ring->buffer_info[sw_tpd_next_to_clean]; + if (buffer_info->dma) { + pci_unmap_page(adapter->pdev, buffer_info->dma, + buffer_info->length, PCI_DMA_TODEVICE); + buffer_info->dma = 0; + } + + if (buffer_info->skb) { + dev_kfree_skb_irq(buffer_info->skb); + buffer_info->skb = NULL; + } + tpd->buffer_addr = 0; + tpd->desc.data = 0; + + if (++sw_tpd_next_to_clean == tpd_ring->count) + sw_tpd_next_to_clean = 0; + } + atomic_set(&tpd_ring->next_to_clean, sw_tpd_next_to_clean); + + if (netif_queue_stopped(adapter->netdev) + && netif_carrier_ok(adapter->netdev)) + netif_wake_queue(adapter->netdev); } static u16 tpd_avail(struct atl1_tpd_ring *tpd_ring) { u16 next_to_clean = atomic_read(&tpd_ring->next_to_clean); u16 next_to_use = atomic_read(&tpd_ring->next_to_use); - return ((next_to_clean > - next_to_use) ? next_to_clean - next_to_use - - 1 : tpd_ring->count + next_to_clean - next_to_use - 1); + return ((next_to_clean > next_to_use) ? + next_to_clean - next_to_use - 1 : + tpd_ring->count + next_to_clean - next_to_use - 1); } static int atl1_tso(struct atl1_adapter *adapter, struct sk_buff *skb, @@ -1258,9 +1450,7 @@ static int atl1_tso(struct atl1_adapter *adapter, struct sk_buff *skb, iph->tot_len = 0; iph->check = 0; tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr, - iph->daddr, 0, - IPPROTO_TCP, - 0); + iph->daddr, 0, IPPROTO_TCP, 0); ipofst = skb_network_offset(skb); if (ipofst != ENET_HEADER_SIZE) /* 802.3 frame */ tso->tsopl |= 1 << TSO_PARAM_ETHTYPE_SHIFT; @@ -1268,7 +1458,8 @@ static int atl1_tso(struct atl1_adapter *adapter, struct sk_buff *skb, tso->tsopl |= (iph->ihl & CSUM_PARAM_IPHL_MASK) << CSUM_PARAM_IPHL_SHIFT; tso->tsopl |= (tcp_hdrlen(skb) & - TSO_PARAM_TCPHDRLEN_MASK) << TSO_PARAM_TCPHDRLEN_SHIFT; + TSO_PARAM_TCPHDRLEN_MASK) << + TSO_PARAM_TCPHDRLEN_SHIFT; tso->tsopl |= (skb_shinfo(skb)->gso_size & TSO_PARAM_MSS_MASK) << TSO_PARAM_MSS_SHIFT; tso->tsopl |= 1 << TSO_PARAM_IPCKSUM_SHIFT; @@ -1281,7 +1472,7 @@ static int atl1_tso(struct atl1_adapter *adapter, struct sk_buff *skb, } static int atl1_tx_csum(struct atl1_adapter *adapter, struct sk_buff *skb, - struct csum_param *csum) + struct csum_param *csum) { u8 css, cso; @@ -1289,7 +1480,7 @@ static int atl1_tx_csum(struct atl1_adapter *adapter, struct sk_buff *skb, cso = skb_transport_offset(skb); css = cso + skb->csum_offset; if (unlikely(cso & 0x1)) { - dev_dbg(&adapter->pdev->dev, + dev_printk(KERN_DEBUG, &adapter->pdev->dev, "payload offset not an even number\n"); return -1; } @@ -1304,8 +1495,8 @@ static int atl1_tx_csum(struct atl1_adapter *adapter, struct sk_buff *skb, return true; } -static void atl1_tx_map(struct atl1_adapter *adapter, - struct sk_buff *skb, bool tcp_seg) +static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb, + bool tcp_seg) { /* We enter this function holding a spinlock. */ struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring; @@ -1342,26 +1533,25 @@ static void atl1_tx_map(struct atl1_adapter *adapter, if (first_buf_len > proto_hdr_len) { len12 = first_buf_len - proto_hdr_len; - m = (len12 + MAX_TX_BUF_LEN - 1) / MAX_TX_BUF_LEN; + m = (len12 + ATL1_MAX_TX_BUF_LEN - 1) / + ATL1_MAX_TX_BUF_LEN; for (i = 0; i < m; i++) { buffer_info = &tpd_ring->buffer_info[tpd_next_to_use]; buffer_info->skb = NULL; buffer_info->length = - (MAX_TX_BUF_LEN >= - len12) ? MAX_TX_BUF_LEN : len12; + (ATL1_MAX_TX_BUF_LEN >= + len12) ? ATL1_MAX_TX_BUF_LEN : len12; len12 -= buffer_info->length; page = virt_to_page(skb->data + - (proto_hdr_len + - i * MAX_TX_BUF_LEN)); + (proto_hdr_len + + i * ATL1_MAX_TX_BUF_LEN)); offset = (unsigned long)(skb->data + - (proto_hdr_len + - i * MAX_TX_BUF_LEN)) & - ~PAGE_MASK; - buffer_info->dma = - pci_map_page(adapter->pdev, page, offset, - buffer_info->length, - PCI_DMA_TODEVICE); + (proto_hdr_len + + i * ATL1_MAX_TX_BUF_LEN)) & ~PAGE_MASK; + buffer_info->dma = pci_map_page(adapter->pdev, + page, offset, buffer_info->length, + PCI_DMA_TODEVICE); if (++tpd_next_to_use == tpd_ring->count) tpd_next_to_use = 0; } @@ -1372,8 +1562,7 @@ static void atl1_tx_map(struct atl1_adapter *adapter, page = virt_to_page(skb->data); offset = (unsigned long)skb->data & ~PAGE_MASK; buffer_info->dma = pci_map_page(adapter->pdev, page, - offset, first_buf_len, - PCI_DMA_TODEVICE); + offset, first_buf_len, PCI_DMA_TODEVICE); if (++tpd_next_to_use == tpd_ring->count) tpd_next_to_use = 0; } @@ -1385,19 +1574,19 @@ static void atl1_tx_map(struct atl1_adapter *adapter, frag = &skb_shinfo(skb)->frags[f]; lenf = frag->size; - m = (lenf + MAX_TX_BUF_LEN - 1) / MAX_TX_BUF_LEN; + m = (lenf + ATL1_MAX_TX_BUF_LEN - 1) / ATL1_MAX_TX_BUF_LEN; for (i = 0; i < m; i++) { buffer_info = &tpd_ring->buffer_info[tpd_next_to_use]; if (unlikely(buffer_info->skb)) BUG(); buffer_info->skb = NULL; - buffer_info->length = - (lenf > MAX_TX_BUF_LEN) ? MAX_TX_BUF_LEN : lenf; + buffer_info->length = (lenf > ATL1_MAX_TX_BUF_LEN) ? + ATL1_MAX_TX_BUF_LEN : lenf; lenf -= buffer_info->length; - buffer_info->dma = - pci_map_page(adapter->pdev, frag->page, - frag->page_offset + i * MAX_TX_BUF_LEN, - buffer_info->length, PCI_DMA_TODEVICE); + buffer_info->dma = pci_map_page(adapter->pdev, + frag->page, + frag->page_offset + (i * ATL1_MAX_TX_BUF_LEN), + buffer_info->length, PCI_DMA_TODEVICE); if (++tpd_next_to_use == tpd_ring->count) tpd_next_to_use = 0; @@ -1409,7 +1598,7 @@ static void atl1_tx_map(struct atl1_adapter *adapter, } static void atl1_tx_queue(struct atl1_adapter *adapter, int count, - union tpd_descr *descr) + union tpd_descr *descr) { /* We enter this function holding a spinlock. */ struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring; @@ -1453,31 +1642,6 @@ static void atl1_tx_queue(struct atl1_adapter *adapter, int count, atomic_set(&tpd_ring->next_to_use, (int)tpd_next_to_use); } -static void atl1_update_mailbox(struct atl1_adapter *adapter) -{ - unsigned long flags; - u32 tpd_next_to_use; - u32 rfd_next_to_use; - u32 rrd_next_to_clean; - u32 value; - - spin_lock_irqsave(&adapter->mb_lock, flags); - - tpd_next_to_use = atomic_read(&adapter->tpd_ring.next_to_use); - rfd_next_to_use = atomic_read(&adapter->rfd_ring.next_to_use); - rrd_next_to_clean = atomic_read(&adapter->rrd_ring.next_to_clean); - - value = ((rfd_next_to_use & MB_RFD_PROD_INDX_MASK) << - MB_RFD_PROD_INDX_SHIFT) | - ((rrd_next_to_clean & MB_RRD_CONS_INDX_MASK) << - MB_RRD_CONS_INDX_SHIFT) | - ((tpd_next_to_use & MB_TPD_PROD_INDX_MASK) << - MB_TPD_PROD_INDX_SHIFT); - iowrite32(value, adapter->hw.hw_addr + REG_MAILBOX); - - spin_unlock_irqrestore(&adapter->mb_lock, flags); -} - static int atl1_xmit_frame(struct sk_buff *skb, struct net_device *netdev) { struct atl1_adapter *adapter = netdev_priv(netdev); @@ -1513,8 +1677,8 @@ static int atl1_xmit_frame(struct sk_buff *skb, struct net_device *netdev) for (f = 0; f < nr_frags; f++) { frag_size = skb_shinfo(skb)->frags[f].size; if (frag_size) - count += - (frag_size + MAX_TX_BUF_LEN - 1) / MAX_TX_BUF_LEN; + count += (frag_size + ATL1_MAX_TX_BUF_LEN - 1) / + ATL1_MAX_TX_BUF_LEN; } /* mss will be nonzero if we're doing segment offload (TSO/GSO) */ @@ -1530,7 +1694,8 @@ static int atl1_xmit_frame(struct sk_buff *skb, struct net_device *netdev) /* need additional TPD ? */ if (proto_hdr_len != len) count += (len - proto_hdr_len + - MAX_TX_BUF_LEN - 1) / MAX_TX_BUF_LEN; + ATL1_MAX_TX_BUF_LEN - 1) / + ATL1_MAX_TX_BUF_LEN; } } @@ -1538,7 +1703,7 @@ static int atl1_xmit_frame(struct sk_buff *skb, struct net_device *netdev) if (!spin_trylock(&adapter->lock)) { /* Can't get lock - tell upper layer to requeue */ local_irq_restore(flags); - dev_dbg(&adapter->pdev->dev, "tx locked\n"); + dev_printk(KERN_DEBUG, &adapter->pdev->dev, "tx locked\n"); return NETDEV_TX_LOCKED; } @@ -1546,7 +1711,7 @@ static int atl1_xmit_frame(struct sk_buff *skb, struct net_device *netdev) /* not enough descriptors */ netif_stop_queue(netdev); spin_unlock_irqrestore(&adapter->lock, flags); - dev_dbg(&adapter->pdev->dev, "tx busy\n"); + dev_printk(KERN_DEBUG, &adapter->pdev->dev, "tx busy\n"); return NETDEV_TX_BUSY; } @@ -1588,131 +1753,208 @@ static int atl1_xmit_frame(struct sk_buff *skb, struct net_device *netdev) } /* - * atl1_get_stats - Get System Network Statistics - * @netdev: network interface device structure - * - * Returns the address of the device statistics structure. - * The statistics are actually updated from the timer callback. + * atl1_intr - Interrupt Handler + * @irq: interrupt number + * @data: pointer to a network interface device structure + * @pt_regs: CPU registers structure */ -static struct net_device_stats *atl1_get_stats(struct net_device *netdev) +static irqreturn_t atl1_intr(int irq, void *data) { - struct atl1_adapter *adapter = netdev_priv(netdev); - return &adapter->net_stats; -} + struct atl1_adapter *adapter = netdev_priv(data); + u32 status; + u8 update_rx; + int max_ints = 10; -/* - * atl1_clean_rx_ring - Free RFD Buffers - * @adapter: board private structure - */ -static void atl1_clean_rx_ring(struct atl1_adapter *adapter) -{ - struct atl1_rfd_ring *rfd_ring = &adapter->rfd_ring; - struct atl1_rrd_ring *rrd_ring = &adapter->rrd_ring; - struct atl1_buffer *buffer_info; - struct pci_dev *pdev = adapter->pdev; - unsigned long size; - unsigned int i; + status = adapter->cmb.cmb->int_stats; + if (!status) + return IRQ_NONE; - /* Free all the Rx ring sk_buffs */ - for (i = 0; i < rfd_ring->count; i++) { - buffer_info = &rfd_ring->buffer_info[i]; - if (buffer_info->dma) { - pci_unmap_page(pdev, - buffer_info->dma, - buffer_info->length, - PCI_DMA_FROMDEVICE); - buffer_info->dma = 0; + update_rx = 0; + + do { + /* clear CMB interrupt status at once */ + adapter->cmb.cmb->int_stats = 0; + + if (status & ISR_GPHY) /* clear phy status */ + atl1_clear_phy_int(adapter); + + /* clear ISR status, and Enable CMB DMA/Disable Interrupt */ + iowrite32(status | ISR_DIS_INT, adapter->hw.hw_addr + REG_ISR); + + /* check if SMB intr */ + if (status & ISR_SMB) + atl1_inc_smb(adapter); + + /* check if PCIE PHY Link down */ + if (status & ISR_PHY_LINKDOWN) { + dev_printk(KERN_DEBUG, &adapter->pdev->dev, + "pcie phy link down %x\n", status); + if (netif_running(adapter->netdev)) { /* reset MAC */ + iowrite32(0, adapter->hw.hw_addr + REG_IMR); + schedule_work(&adapter->pcie_dma_to_rst_task); + return IRQ_HANDLED; + } } - if (buffer_info->skb) { - dev_kfree_skb(buffer_info->skb); - buffer_info->skb = NULL; + + /* check if DMA read/write error ? */ + if (status & (ISR_DMAR_TO_RST | ISR_DMAW_TO_RST)) { + dev_printk(KERN_DEBUG, &adapter->pdev->dev, + "pcie DMA r/w error (status = 0x%x)\n", + status); + iowrite32(0, adapter->hw.hw_addr + REG_IMR); + schedule_work(&adapter->pcie_dma_to_rst_task); + return IRQ_HANDLED; } - } - size = sizeof(struct atl1_buffer) * rfd_ring->count; - memset(rfd_ring->buffer_info, 0, size); + /* link event */ + if (status & ISR_GPHY) { + adapter->soft_stats.tx_carrier_errors++; + atl1_check_for_link(adapter); + } - /* Zero out the descriptor ring */ - memset(rfd_ring->desc, 0, rfd_ring->size); + /* transmit event */ + if (status & ISR_CMB_TX) + atl1_intr_tx(adapter); - rfd_ring->next_to_clean = 0; - atomic_set(&rfd_ring->next_to_use, 0); + /* rx exception */ + if (unlikely(status & (ISR_RXF_OV | ISR_RFD_UNRUN | + ISR_RRD_OV | ISR_HOST_RFD_UNRUN | + ISR_HOST_RRD_OV | ISR_CMB_RX))) { + if (status & (ISR_RXF_OV | ISR_RFD_UNRUN | + ISR_RRD_OV | ISR_HOST_RFD_UNRUN | + ISR_HOST_RRD_OV)) + dev_printk(KERN_DEBUG, &adapter->pdev->dev, + "rx exception, ISR = 0x%x\n", status); + atl1_intr_rx(adapter); + } - rrd_ring->next_to_use = 0; - atomic_set(&rrd_ring->next_to_clean, 0); + if (--max_ints < 0) + break; + + } while ((status = adapter->cmb.cmb->int_stats)); + + /* re-enable Interrupt */ + iowrite32(ISR_DIS_SMB | ISR_DIS_DMA, adapter->hw.hw_addr + REG_ISR); + return IRQ_HANDLED; } /* - * atl1_clean_tx_ring - Free Tx Buffers - * @adapter: board private structure + * atl1_watchdog - Timer Call-back + * @data: pointer to netdev cast into an unsigned long */ -static void atl1_clean_tx_ring(struct atl1_adapter *adapter) +static void atl1_watchdog(unsigned long data) { - struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring; - struct atl1_buffer *buffer_info; - struct pci_dev *pdev = adapter->pdev; - unsigned long size; - unsigned int i; + struct atl1_adapter *adapter = (struct atl1_adapter *)data; - /* Free all the Tx ring sk_buffs */ - for (i = 0; i < tpd_ring->count; i++) { - buffer_info = &tpd_ring->buffer_info[i]; - if (buffer_info->dma) { - pci_unmap_page(pdev, buffer_info->dma, - buffer_info->length, PCI_DMA_TODEVICE); - buffer_info->dma = 0; - } - } + /* Reset the timer */ + mod_timer(&adapter->watchdog_timer, jiffies + 2 * HZ); +} - for (i = 0; i < tpd_ring->count; i++) { - buffer_info = &tpd_ring->buffer_info[i]; - if (buffer_info->skb) { - dev_kfree_skb_any(buffer_info->skb); - buffer_info->skb = NULL; - } - } +/* + * atl1_phy_config - Timer Call-back + * @data: pointer to netdev cast into an unsigned long + */ +static void atl1_phy_config(unsigned long data) +{ + struct atl1_adapter *adapter = (struct atl1_adapter *)data; + struct atl1_hw *hw = &adapter->hw; + unsigned long flags; - size = sizeof(struct atl1_buffer) * tpd_ring->count; - memset(tpd_ring->buffer_info, 0, size); + spin_lock_irqsave(&adapter->lock, flags); + adapter->phy_timer_pending = false; + atl1_write_phy_reg(hw, MII_ADVERTISE, hw->mii_autoneg_adv_reg); + atl1_write_phy_reg(hw, MII_AT001_CR, hw->mii_1000t_ctrl_reg); + atl1_write_phy_reg(hw, MII_BMCR, MII_CR_RESET | MII_CR_AUTO_NEG_EN); + spin_unlock_irqrestore(&adapter->lock, flags); +} - /* Zero out the descriptor ring */ - memset(tpd_ring->desc, 0, tpd_ring->size); +/* + * atl1_tx_timeout - Respond to a Tx Hang + * @netdev: network interface device structure + */ +static void atl1_tx_timeout(struct net_device *netdev) +{ + struct atl1_adapter *adapter = netdev_priv(netdev); + /* Do the reset outside of interrupt context */ + schedule_work(&adapter->tx_timeout_task); +} - atomic_set(&tpd_ring->next_to_use, 0); - atomic_set(&tpd_ring->next_to_clean, 0); +/* + * Orphaned vendor comment left intact here: + * <vendor comment> + * If TPD Buffer size equal to 0, PCIE DMAR_TO_INT + * will assert. We do soft reset <0x1400=1> according + * with the SPEC. BUT, it seemes that PCIE or DMA + * state-machine will not be reset. DMAR_TO_INT will + * assert again and again. + * </vendor comment> + */ +static void atl1_tx_timeout_task(struct work_struct *work) +{ + struct atl1_adapter *adapter = + container_of(work, struct atl1_adapter, tx_timeout_task); + struct net_device *netdev = adapter->netdev; + + netif_device_detach(netdev); + atl1_down(adapter); + atl1_up(adapter); + netif_device_attach(netdev); } /* - * atl1_free_ring_resources - Free Tx / RX descriptor Resources - * @adapter: board private structure - * - * Free all transmit software resources + * atl1_link_chg_task - deal with link change event Out of interrupt context */ -void atl1_free_ring_resources(struct atl1_adapter *adapter) +static void atl1_link_chg_task(struct work_struct *work) { - struct pci_dev *pdev = adapter->pdev; - struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring; - struct atl1_rfd_ring *rfd_ring = &adapter->rfd_ring; - struct atl1_rrd_ring *rrd_ring = &adapter->rrd_ring; - struct atl1_ring_header *ring_header = &adapter->ring_header; + struct atl1_adapter *adapter = + container_of(work, struct atl1_adapter, link_chg_task); + unsigned long flags; - atl1_clean_tx_ring(adapter); - atl1_clean_rx_ring(adapter); + spin_lock_irqsave(&adapter->lock, flags); + atl1_check_link(adapter); + spin_unlock_irqrestore(&adapter->lock, flags); +} - kfree(tpd_ring->buffer_info); - pci_free_consistent(pdev, ring_header->size, ring_header->desc, - ring_header->dma); +static void atl1_vlan_rx_register(struct net_device *netdev, + struct vlan_group *grp) +{ + struct atl1_adapter *adapter = netdev_priv(netdev); + unsigned long flags; + u32 ctrl; - tpd_ring->buffer_info = NULL; - tpd_ring->desc = NULL; - tpd_ring->dma = 0; + spin_lock_irqsave(&adapter->lock, flags); + /* atl1_irq_disable(adapter); */ + adapter->vlgrp = grp; - rfd_ring->buffer_info = NULL; - rfd_ring->desc = NULL; - rfd_ring->dma = 0; + if (grp) { + /* enable VLAN tag insert/strip */ + ctrl = ioread32(adapter->hw.hw_addr + REG_MAC_CTRL); + ctrl |= MAC_CTRL_RMV_VLAN; + iowrite32(ctrl, adapter->hw.hw_addr + REG_MAC_CTRL); + } else { + /* disable VLAN tag insert/strip */ + ctrl = ioread32(adapter->hw.hw_addr + REG_MAC_CTRL); + ctrl &= ~MAC_CTRL_RMV_VLAN; + iowrite32(ctrl, adapter->hw.hw_addr + REG_MAC_CTRL); + } - rrd_ring->desc = NULL; - rrd_ring->dma = 0; + /* atl1_irq_enable(adapter); */ + spin_unlock_irqrestore(&adapter->lock, flags); +} + +static void atl1_restore_vlan(struct atl1_adapter *adapter) +{ + atl1_vlan_rx_register(adapter->netdev, adapter->vlgrp); +} + +int atl1_reset(struct atl1_adapter *adapter) +{ + int ret; + + ret = atl1_reset_hw(&adapter->hw); + if (ret != ATL1_SUCCESS) + return ret; + return atl1_init_hw(&adapter->hw); } s32 atl1_up(struct atl1_adapter *adapter) @@ -1723,6 +1965,7 @@ s32 atl1_up(struct atl1_adapter *adapter) /* hardware has been reset, we need to reload some things */ atl1_set_multi(netdev); + atl1_init_ring_ptrs(adapter); atl1_restore_vlan(adapter); err = atl1_alloc_rx_buffers(adapter); if (unlikely(!err)) /* no RX BUFFER allocated */ @@ -1750,11 +1993,6 @@ s32 atl1_up(struct atl1_adapter *adapter) atl1_check_link(adapter); return 0; - /* FIXME: unreachable code! -- CHS */ - /* free irq disable any interrupt */ - iowrite32(0, adapter->hw.hw_addr + REG_IMR); - free_irq(adapter->pdev->irq, netdev); - err_up: pci_disable_msi(adapter->pdev); /* free rx_buffers */ @@ -1786,172 +2024,6 @@ void atl1_down(struct atl1_adapter *adapter) } /* - * atl1_change_mtu - Change the Maximum Transfer Unit - * @netdev: network interface device structure - * @new_mtu: new value for maximum frame size - * - * Returns 0 on success, negative on failure - */ -static int atl1_change_mtu(struct net_device *netdev, int new_mtu) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - int old_mtu = netdev->mtu; - int max_frame = new_mtu + ENET_HEADER_SIZE + ETHERNET_FCS_SIZE; - - if ((max_frame < MINIMUM_ETHERNET_FRAME_SIZE) || - (max_frame > MAX_JUMBO_FRAME_SIZE)) { - dev_warn(&adapter->pdev->dev, "invalid MTU setting\n"); - return -EINVAL; - } - - adapter->hw.max_frame_size = max_frame; - adapter->hw.tx_jumbo_task_th = (max_frame + 7) >> 3; - adapter->rx_buffer_len = (max_frame + 7) & ~7; - adapter->hw.rx_jumbo_th = adapter->rx_buffer_len / 8; - - netdev->mtu = new_mtu; - if ((old_mtu != new_mtu) && netif_running(netdev)) { - atl1_down(adapter); - atl1_up(adapter); - } - - return 0; -} - -/* - * atl1_set_mac - Change the Ethernet Address of the NIC - * @netdev: network interface device structure - * @p: pointer to an address structure - * - * Returns 0 on success, negative on failure - */ -static int atl1_set_mac(struct net_device *netdev, void *p) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - struct sockaddr *addr = p; - - if (netif_running(netdev)) - return -EBUSY; - - if (!is_valid_ether_addr(addr->sa_data)) - return -EADDRNOTAVAIL; - - memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); - memcpy(adapter->hw.mac_addr, addr->sa_data, netdev->addr_len); - - atl1_set_mac_addr(&adapter->hw); - return 0; -} - -/* - * atl1_watchdog - Timer Call-back - * @data: pointer to netdev cast into an unsigned long - */ -static void atl1_watchdog(unsigned long data) -{ - struct atl1_adapter *adapter = (struct atl1_adapter *)data; - - /* Reset the timer */ - mod_timer(&adapter->watchdog_timer, jiffies + 2 * HZ); -} - -static int mdio_read(struct net_device *netdev, int phy_id, int reg_num) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - u16 result; - - atl1_read_phy_reg(&adapter->hw, reg_num & 0x1f, &result); - - return result; -} - -static void mdio_write(struct net_device *netdev, int phy_id, int reg_num, int val) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - - atl1_write_phy_reg(&adapter->hw, reg_num, val); -} - -/* - * atl1_mii_ioctl - - * @netdev: - * @ifreq: - * @cmd: - */ -static int atl1_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - unsigned long flags; - int retval; - - if (!netif_running(netdev)) - return -EINVAL; - - spin_lock_irqsave(&adapter->lock, flags); - retval = generic_mii_ioctl(&adapter->mii, if_mii(ifr), cmd, NULL); - spin_unlock_irqrestore(&adapter->lock, flags); - - return retval; -} - -/* - * atl1_ioctl - - * @netdev: - * @ifreq: - * @cmd: - */ -static int atl1_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) -{ - switch (cmd) { - case SIOCGMIIPHY: - case SIOCGMIIREG: - case SIOCSMIIREG: - return atl1_mii_ioctl(netdev, ifr, cmd); - default: - return -EOPNOTSUPP; - } -} - -/* - * atl1_tx_timeout - Respond to a Tx Hang - * @netdev: network interface device structure - */ -static void atl1_tx_timeout(struct net_device *netdev) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - /* Do the reset outside of interrupt context */ - schedule_work(&adapter->tx_timeout_task); -} - -/* - * atl1_phy_config - Timer Call-back - * @data: pointer to netdev cast into an unsigned long - */ -static void atl1_phy_config(unsigned long data) -{ - struct atl1_adapter *adapter = (struct atl1_adapter *)data; - struct atl1_hw *hw = &adapter->hw; - unsigned long flags; - - spin_lock_irqsave(&adapter->lock, flags); - adapter->phy_timer_pending = false; - atl1_write_phy_reg(hw, MII_ADVERTISE, hw->mii_autoneg_adv_reg); - atl1_write_phy_reg(hw, MII_AT001_CR, hw->mii_1000t_ctrl_reg); - atl1_write_phy_reg(hw, MII_BMCR, MII_CR_RESET | MII_CR_AUTO_NEG_EN); - spin_unlock_irqrestore(&adapter->lock, flags); -} - -int atl1_reset(struct atl1_adapter *adapter) -{ - int ret; - - ret = atl1_reset_hw(&adapter->hw); - if (ret != ATL1_SUCCESS) - return ret; - return atl1_init_hw(&adapter->hw); -} - -/* * atl1_open - Called when a network interface is made active * @netdev: network interface device structure * @@ -2003,77 +2075,113 @@ static int atl1_close(struct net_device *netdev) return 0; } -#ifdef CONFIG_NET_POLL_CONTROLLER -static void atl1_poll_controller(struct net_device *netdev) -{ - disable_irq(netdev->irq); - atl1_intr(netdev->irq, netdev); - enable_irq(netdev->irq); -} -#endif - -/* - * If TPD Buffer size equal to 0, PCIE DMAR_TO_INT - * will assert. We do soft reset <0x1400=1> according - * with the SPEC. BUT, it seemes that PCIE or DMA - * state-machine will not be reset. DMAR_TO_INT will - * assert again and again. - */ -static void atl1_tx_timeout_task(struct work_struct *work) +#ifdef CONFIG_PM +static int atl1_suspend(struct pci_dev *pdev, pm_message_t state) { - struct atl1_adapter *adapter = - container_of(work, struct atl1_adapter, tx_timeout_task); - struct net_device *netdev = adapter->netdev; + struct net_device *netdev = pci_get_drvdata(pdev); + struct atl1_adapter *adapter = netdev_priv(netdev); + struct atl1_hw *hw = &adapter->hw; + u32 ctrl = 0; + u32 wufc = adapter->wol; netif_device_detach(netdev); - atl1_down(adapter); - atl1_up(adapter); - netif_device_attach(netdev); -} + if (netif_running(netdev)) + atl1_down(adapter); -/* - * atl1_link_chg_task - deal with link change event Out of interrupt context - */ -static void atl1_link_chg_task(struct work_struct *work) -{ - struct atl1_adapter *adapter = - container_of(work, struct atl1_adapter, link_chg_task); - unsigned long flags; + atl1_read_phy_reg(hw, MII_BMSR, (u16 *) & ctrl); + atl1_read_phy_reg(hw, MII_BMSR, (u16 *) & ctrl); + if (ctrl & BMSR_LSTATUS) + wufc &= ~ATL1_WUFC_LNKC; - spin_lock_irqsave(&adapter->lock, flags); - atl1_check_link(adapter); - spin_unlock_irqrestore(&adapter->lock, flags); + /* reduce speed to 10/100M */ + if (wufc) { + atl1_phy_enter_power_saving(hw); + /* if resume, let driver to re- setup link */ + hw->phy_configured = false; + atl1_set_mac_addr(hw); + atl1_set_multi(netdev); + + ctrl = 0; + /* turn on magic packet wol */ + if (wufc & ATL1_WUFC_MAG) + ctrl = WOL_MAGIC_EN | WOL_MAGIC_PME_EN; + + /* turn on Link change WOL */ + if (wufc & ATL1_WUFC_LNKC) + ctrl |= (WOL_LINK_CHG_EN | WOL_LINK_CHG_PME_EN); + iowrite32(ctrl, hw->hw_addr + REG_WOL_CTRL); + + /* turn on all-multi mode if wake on multicast is enabled */ + ctrl = ioread32(hw->hw_addr + REG_MAC_CTRL); + ctrl &= ~MAC_CTRL_DBG; + ctrl &= ~MAC_CTRL_PROMIS_EN; + if (wufc & ATL1_WUFC_MC) + ctrl |= MAC_CTRL_MC_ALL_EN; + else + ctrl &= ~MAC_CTRL_MC_ALL_EN; + + /* turn on broadcast mode if wake on-BC is enabled */ + if (wufc & ATL1_WUFC_BC) + ctrl |= MAC_CTRL_BC_EN; + else + ctrl &= ~MAC_CTRL_BC_EN; + + /* enable RX */ + ctrl |= MAC_CTRL_RX_EN; + iowrite32(ctrl, hw->hw_addr + REG_MAC_CTRL); + pci_enable_wake(pdev, PCI_D3hot, 1); + pci_enable_wake(pdev, PCI_D3cold, 1); + } else { + iowrite32(0, hw->hw_addr + REG_WOL_CTRL); + pci_enable_wake(pdev, PCI_D3hot, 0); + pci_enable_wake(pdev, PCI_D3cold, 0); + } + + pci_save_state(pdev); + pci_disable_device(pdev); + + pci_set_power_state(pdev, PCI_D3hot); + + return 0; } -/* - * atl1_pcie_patch - Patch for PCIE module - */ -static void atl1_pcie_patch(struct atl1_adapter *adapter) +static int atl1_resume(struct pci_dev *pdev) { - u32 value; - value = 0x6500; - iowrite32(value, adapter->hw.hw_addr + 0x12FC); - /* pcie flow control mode change */ - value = ioread32(adapter->hw.hw_addr + 0x1008); - value |= 0x8000; - iowrite32(value, adapter->hw.hw_addr + 0x1008); + struct net_device *netdev = pci_get_drvdata(pdev); + struct atl1_adapter *adapter = netdev_priv(netdev); + u32 ret_val; + + pci_set_power_state(pdev, 0); + pci_restore_state(pdev); + + ret_val = pci_enable_device(pdev); + pci_enable_wake(pdev, PCI_D3hot, 0); + pci_enable_wake(pdev, PCI_D3cold, 0); + + iowrite32(0, adapter->hw.hw_addr + REG_WOL_CTRL); + atl1_reset(adapter); + + if (netif_running(netdev)) + atl1_up(adapter); + netif_device_attach(netdev); + + atl1_via_workaround(adapter); + + return 0; } +#else +#define atl1_suspend NULL +#define atl1_resume NULL +#endif -/* - * When ACPI resume on some VIA MotherBoard, the Interrupt Disable bit/0x400 - * on PCI Command register is disable. - * The function enable this bit. - * Brackett, 2006/03/15 - */ -static void atl1_via_workaround(struct atl1_adapter *adapter) +#ifdef CONFIG_NET_POLL_CONTROLLER +static void atl1_poll_controller(struct net_device *netdev) { - unsigned long value; - - value = ioread16(adapter->hw.hw_addr + PCI_COMMAND); - if (value & PCI_COMMAND_INTX_DISABLE) - value &= ~PCI_COMMAND_INTX_DISABLE; - iowrite32(value, adapter->hw.hw_addr + PCI_COMMAND); + disable_irq(netdev->irq); + atl1_intr(netdev->irq, netdev); + enable_irq(netdev->irq); } +#endif /* * atl1_probe - Device Initialization Routine @@ -2087,7 +2195,7 @@ static void atl1_via_workaround(struct atl1_adapter *adapter) * and a hardware reset occur. */ static int __devinit atl1_probe(struct pci_dev *pdev, - const struct pci_device_id *ent) + const struct pci_device_id *ent) { struct net_device *netdev; struct atl1_adapter *adapter; @@ -2141,7 +2249,7 @@ static int __devinit atl1_probe(struct pci_dev *pdev, } /* get device revision number */ adapter->hw.dev_rev = ioread16(adapter->hw.hw_addr + - (REG_MASTER_CTRL + 2)); + (REG_MASTER_CTRL + 2)); dev_info(&pdev->dev, "version %s\n", DRIVER_VERSION); /* set default ring resource counts */ @@ -2294,7 +2402,8 @@ static void __devexit atl1_remove(struct pci_dev *pdev) * address, we need to save the permanent one. */ if (memcmp(adapter->hw.mac_addr, adapter->hw.perm_mac_addr, ETH_ALEN)) { - memcpy(adapter->hw.mac_addr, adapter->hw.perm_mac_addr, ETH_ALEN); + memcpy(adapter->hw.mac_addr, adapter->hw.perm_mac_addr, + ETH_ALEN); atl1_set_mac_addr(&adapter->hw); } @@ -2306,112 +2415,11 @@ static void __devexit atl1_remove(struct pci_dev *pdev) pci_disable_device(pdev); } -#ifdef CONFIG_PM -static int atl1_suspend(struct pci_dev *pdev, pm_message_t state) -{ - struct net_device *netdev = pci_get_drvdata(pdev); - struct atl1_adapter *adapter = netdev_priv(netdev); - struct atl1_hw *hw = &adapter->hw; - u32 ctrl = 0; - u32 wufc = adapter->wol; - - netif_device_detach(netdev); - if (netif_running(netdev)) - atl1_down(adapter); - - atl1_read_phy_reg(hw, MII_BMSR, (u16 *) & ctrl); - atl1_read_phy_reg(hw, MII_BMSR, (u16 *) & ctrl); - if (ctrl & BMSR_LSTATUS) - wufc &= ~ATL1_WUFC_LNKC; - - /* reduce speed to 10/100M */ - if (wufc) { - atl1_phy_enter_power_saving(hw); - /* if resume, let driver to re- setup link */ - hw->phy_configured = false; - atl1_set_mac_addr(hw); - atl1_set_multi(netdev); - - ctrl = 0; - /* turn on magic packet wol */ - if (wufc & ATL1_WUFC_MAG) - ctrl = WOL_MAGIC_EN | WOL_MAGIC_PME_EN; - - /* turn on Link change WOL */ - if (wufc & ATL1_WUFC_LNKC) - ctrl |= (WOL_LINK_CHG_EN | WOL_LINK_CHG_PME_EN); - iowrite32(ctrl, hw->hw_addr + REG_WOL_CTRL); - - /* turn on all-multi mode if wake on multicast is enabled */ - ctrl = ioread32(hw->hw_addr + REG_MAC_CTRL); - ctrl &= ~MAC_CTRL_DBG; - ctrl &= ~MAC_CTRL_PROMIS_EN; - if (wufc & ATL1_WUFC_MC) - ctrl |= MAC_CTRL_MC_ALL_EN; - else - ctrl &= ~MAC_CTRL_MC_ALL_EN; - - /* turn on broadcast mode if wake on-BC is enabled */ - if (wufc & ATL1_WUFC_BC) - ctrl |= MAC_CTRL_BC_EN; - else - ctrl &= ~MAC_CTRL_BC_EN; - - /* enable RX */ - ctrl |= MAC_CTRL_RX_EN; - iowrite32(ctrl, hw->hw_addr + REG_MAC_CTRL); - pci_enable_wake(pdev, PCI_D3hot, 1); - pci_enable_wake(pdev, PCI_D3cold, 1); /* 4 == D3 cold */ - } else { - iowrite32(0, hw->hw_addr + REG_WOL_CTRL); - pci_enable_wake(pdev, PCI_D3hot, 0); - pci_enable_wake(pdev, PCI_D3cold, 0); /* 4 == D3 cold */ - } - - pci_save_state(pdev); - pci_disable_device(pdev); - - pci_set_power_state(pdev, PCI_D3hot); - - return 0; -} - -static int atl1_resume(struct pci_dev *pdev) -{ - struct net_device *netdev = pci_get_drvdata(pdev); - struct atl1_adapter *adapter = netdev_priv(netdev); - u32 ret_val; - - pci_set_power_state(pdev, 0); - pci_restore_state(pdev); - - ret_val = pci_enable_device(pdev); - pci_enable_wake(pdev, PCI_D3hot, 0); - pci_enable_wake(pdev, PCI_D3cold, 0); - - iowrite32(0, adapter->hw.hw_addr + REG_WOL_CTRL); - atl1_reset(adapter); - - if (netif_running(netdev)) - atl1_up(adapter); - netif_device_attach(netdev); - - atl1_via_workaround(adapter); - - return 0; -} -#else -#define atl1_suspend NULL -#define atl1_resume NULL -#endif - static struct pci_driver atl1_driver = { .name = atl1_driver_name, .id_table = atl1_pci_tbl, .probe = atl1_probe, .remove = __devexit_p(atl1_remove), - /* Power Managment Hooks */ - /* probably broken right now -- CHS */ .suspend = atl1_suspend, .resume = atl1_resume }; diff --git a/drivers/net/ehea/ehea.h b/drivers/net/ehea/ehea.h index f03f070451d..6628fa622e2 100644 --- a/drivers/net/ehea/ehea.h +++ b/drivers/net/ehea/ehea.h @@ -39,13 +39,13 @@ #include <asm/io.h> #define DRV_NAME "ehea" -#define DRV_VERSION "EHEA_0067" +#define DRV_VERSION "EHEA_0070" -/* EHEA capability flags */ +/* eHEA capability flags */ #define DLPAR_PORT_ADD_REM 1 -#define DLPAR_MEM_ADD 2 -#define DLPAR_MEM_REM 4 -#define EHEA_CAPABILITIES (DLPAR_PORT_ADD_REM) +#define DLPAR_MEM_ADD 2 +#define DLPAR_MEM_REM 4 +#define EHEA_CAPABILITIES (DLPAR_PORT_ADD_REM) #define EHEA_MSG_DEFAULT (NETIF_MSG_LINK | NETIF_MSG_TIMER \ | NETIF_MSG_RX_ERR | NETIF_MSG_TX_ERR) @@ -113,6 +113,8 @@ /* Memory Regions */ #define EHEA_MR_ACC_CTRL 0x00800000 +#define EHEA_BUSMAP_START 0x8000000000000000ULL + #define EHEA_WATCH_DOG_TIMEOUT 10*HZ /* utility functions */ @@ -186,6 +188,12 @@ struct h_epas { set to 0 if unused */ }; +struct ehea_busmap { + unsigned int entries; /* total number of entries */ + unsigned int valid_sections; /* number of valid sections */ + u64 *vaddr; +}; + struct ehea_qp; struct ehea_cq; struct ehea_eq; @@ -382,6 +390,8 @@ struct ehea_adapter { struct ehea_mr mr; u32 pd; /* protection domain */ u64 max_mc_mac; /* max number of multicast mac addresses */ + int active_ports; + struct list_head list; }; @@ -431,6 +441,9 @@ struct port_res_cfg { int max_entries_rq3; }; +enum ehea_flag_bits { + __EHEA_STOP_XFER +}; void ehea_set_ethtool_ops(struct net_device *netdev); int ehea_sense_port_attr(struct ehea_port *port); diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c index 383144db4d1..1d1571cf322 100644 --- a/drivers/net/ehea/ehea_main.c +++ b/drivers/net/ehea/ehea_main.c @@ -79,6 +79,11 @@ MODULE_PARM_DESC(sq_entries, " Number of entries for the Send Queue " MODULE_PARM_DESC(use_mcs, " 0:NAPI, 1:Multiple receive queues, Default = 1 "); static int port_name_cnt = 0; +static LIST_HEAD(adapter_list); +u64 ehea_driver_flags = 0; +struct workqueue_struct *ehea_driver_wq; +struct work_struct ehea_rereg_mr_task; + static int __devinit ehea_probe_adapter(struct ibmebus_dev *dev, const struct of_device_id *id); @@ -238,13 +243,17 @@ static int ehea_refill_rq_def(struct ehea_port_res *pr, rwqe->wr_id = EHEA_BMASK_SET(EHEA_WR_ID_TYPE, wqe_type) | EHEA_BMASK_SET(EHEA_WR_ID_INDEX, index); rwqe->sg_list[0].l_key = pr->recv_mr.lkey; - rwqe->sg_list[0].vaddr = (u64)skb->data; + rwqe->sg_list[0].vaddr = ehea_map_vaddr(skb->data); rwqe->sg_list[0].len = packet_size; rwqe->data_segments = 1; index++; index &= max_index_mask; + + if (unlikely(test_bit(__EHEA_STOP_XFER, &ehea_driver_flags))) + goto out; } + q_skba->index = index; /* Ring doorbell */ @@ -253,7 +262,7 @@ static int ehea_refill_rq_def(struct ehea_port_res *pr, ehea_update_rq2a(pr->qp, i); else ehea_update_rq3a(pr->qp, i); - +out: return ret; } @@ -1321,7 +1330,7 @@ static void write_swqe2_TSO(struct sk_buff *skb, sg1entry->len = skb_data_size - headersize; tmp_addr = (u64)(skb->data + headersize); - sg1entry->vaddr = tmp_addr; + sg1entry->vaddr = ehea_map_vaddr(tmp_addr); swqe->descriptors++; } } else @@ -1352,7 +1361,7 @@ static void write_swqe2_nonTSO(struct sk_buff *skb, sg1entry->l_key = lkey; sg1entry->len = skb_data_size - SWQE2_MAX_IMM; tmp_addr = (u64)(skb->data + SWQE2_MAX_IMM); - sg1entry->vaddr = tmp_addr; + sg1entry->vaddr = ehea_map_vaddr(tmp_addr); swqe->descriptors++; } } else { @@ -1391,7 +1400,7 @@ static inline void write_swqe2_data(struct sk_buff *skb, struct net_device *dev, sg1entry->len = frag->size; tmp_addr = (u64)(page_address(frag->page) + frag->page_offset); - sg1entry->vaddr = tmp_addr; + sg1entry->vaddr = ehea_map_vaddr(tmp_addr); swqe->descriptors++; sg1entry_contains_frag_data = 1; } @@ -1406,7 +1415,7 @@ static inline void write_swqe2_data(struct sk_buff *skb, struct net_device *dev, tmp_addr = (u64)(page_address(frag->page) + frag->page_offset); - sgentry->vaddr = tmp_addr; + sgentry->vaddr = ehea_map_vaddr(tmp_addr); swqe->descriptors++; } } @@ -1878,6 +1887,9 @@ static int ehea_start_xmit(struct sk_buff *skb, struct net_device *dev) ehea_dump(swqe, 512, "swqe"); } + if (unlikely(test_bit(__EHEA_STOP_XFER, &ehea_driver_flags))) + goto out; + ehea_post_swqe(pr->qp, swqe); pr->tx_packets++; @@ -1892,7 +1904,7 @@ static int ehea_start_xmit(struct sk_buff *skb, struct net_device *dev) } dev->trans_start = jiffies; spin_unlock(&pr->xmit_lock); - +out: return NETDEV_TX_OK; } @@ -2220,6 +2232,9 @@ out_dereg_bc: out_clean_pr: ehea_clean_all_portres(port); out: + if (ret) + ehea_info("Failed starting %s. ret=%i", dev->name, ret); + return ret; } @@ -2259,8 +2274,13 @@ static int ehea_down(struct net_device *dev) msleep(1); ehea_broadcast_reg_helper(port, H_DEREG_BCMC); - ret = ehea_clean_all_portres(port); port->state = EHEA_PORT_DOWN; + + ret = ehea_clean_all_portres(port); + if (ret) + ehea_info("Failed freeing resources for %s. ret=%i", + dev->name, ret); + return ret; } @@ -2292,15 +2312,11 @@ static void ehea_reset_port(struct work_struct *work) netif_stop_queue(dev); netif_poll_disable(dev); - ret = ehea_down(dev); - if (ret) - ehea_error("ehea_down failed. not all resources are freed"); + ehea_down(dev); ret = ehea_up(dev); - if (ret) { - ehea_error("Reset device %s failed: ret=%d", dev->name, ret); + if (ret) goto out; - } if (netif_msg_timer(port)) ehea_info("Device %s resetted successfully", dev->name); @@ -2312,6 +2328,88 @@ out: return; } +static void ehea_rereg_mrs(struct work_struct *work) +{ + int ret, i; + struct ehea_adapter *adapter; + + ehea_info("LPAR memory enlarged - re-initializing driver"); + + list_for_each_entry(adapter, &adapter_list, list) + if (adapter->active_ports) { + /* Shutdown all ports */ + for (i = 0; i < EHEA_MAX_PORTS; i++) { + struct ehea_port *port = adapter->port[i]; + + if (port) { + struct net_device *dev = port->netdev; + + if (dev->flags & IFF_UP) { + ehea_info("stopping %s", + dev->name); + down(&port->port_lock); + netif_stop_queue(dev); + netif_poll_disable(dev); + ehea_down(dev); + up(&port->port_lock); + } + } + } + + /* Unregister old memory region */ + ret = ehea_rem_mr(&adapter->mr); + if (ret) { + ehea_error("unregister MR failed - driver" + " inoperable!"); + goto out; + } + } + + ehea_destroy_busmap(); + + ret = ehea_create_busmap(); + if (ret) + goto out; + + clear_bit(__EHEA_STOP_XFER, &ehea_driver_flags); + + list_for_each_entry(adapter, &adapter_list, list) + if (adapter->active_ports) { + /* Register new memory region */ + ret = ehea_reg_kernel_mr(adapter, &adapter->mr); + if (ret) { + ehea_error("register MR failed - driver" + " inoperable!"); + goto out; + } + + /* Restart all ports */ + for (i = 0; i < EHEA_MAX_PORTS; i++) { + struct ehea_port *port = adapter->port[i]; + + if (port) { + struct net_device *dev = port->netdev; + + if (dev->flags & IFF_UP) { + ehea_info("restarting %s", + dev->name); + down(&port->port_lock); + + ret = ehea_up(dev); + if (!ret) { + netif_poll_enable(dev); + netif_wake_queue(dev); + } + + up(&port->port_lock); + } + } + } + } +out: + return; +} + static void ehea_tx_watchdog(struct net_device *dev) { struct ehea_port *port = netdev_priv(dev); @@ -2573,6 +2671,8 @@ struct ehea_port *ehea_setup_single_port(struct ehea_adapter *adapter, ehea_info("%s: Jumbo frames are %sabled", dev->name, jumbo == 1 ? "en" : "dis"); + adapter->active_ports++; + return port; out_unreg_port: @@ -2596,6 +2696,7 @@ static void ehea_shutdown_single_port(struct ehea_port *port) ehea_unregister_port(port); kfree(port->mc_list); free_netdev(port->netdev); + port->adapter->active_ports--; } static int ehea_setup_ports(struct ehea_adapter *adapter) @@ -2788,6 +2889,8 @@ static int __devinit ehea_probe_adapter(struct ibmebus_dev *dev, goto out; } + list_add(&adapter->list, &adapter_list); + adapter->ebus_dev = dev; adapter_handle = of_get_property(dev->ofdev.node, "ibm,hea-handle", @@ -2891,7 +2994,10 @@ static int __devexit ehea_remove(struct ibmebus_dev *dev) ehea_destroy_eq(adapter->neq); ehea_remove_adapter_mr(adapter); + list_del(&adapter->list); + kfree(adapter); + return 0; } @@ -2939,9 +3045,18 @@ int __init ehea_module_init(void) printk(KERN_INFO "IBM eHEA ethernet device driver (Release %s)\n", DRV_VERSION); + ehea_driver_wq = create_workqueue("ehea_driver_wq"); + + INIT_WORK(&ehea_rereg_mr_task, ehea_rereg_mrs); + ret = check_module_parm(); if (ret) goto out; + + ret = ehea_create_busmap(); + if (ret) + goto out; + ret = ibmebus_register_driver(&ehea_driver); if (ret) { ehea_error("failed registering eHEA device driver on ebus"); @@ -2965,6 +3080,7 @@ static void __exit ehea_module_exit(void) { driver_remove_file(&ehea_driver.driver, &driver_attr_capabilities); ibmebus_unregister_driver(&ehea_driver); + ehea_destroy_busmap(); } module_init(ehea_module_init); diff --git a/drivers/net/ehea/ehea_phyp.h b/drivers/net/ehea/ehea_phyp.h index d17a45a7e71..89b63531ff2 100644 --- a/drivers/net/ehea/ehea_phyp.h +++ b/drivers/net/ehea/ehea_phyp.h @@ -60,6 +60,9 @@ static inline u32 get_longbusy_msecs(int long_busy_ret_code) } } +/* Number of pages which can be registered at once by H_REGISTER_HEA_RPAGES */ +#define EHEA_MAX_RPAGE 512 + /* Notification Event Queue (NEQ) Entry bit masks */ #define NEQE_EVENT_CODE EHEA_BMASK_IBM(2, 7) #define NEQE_PORTNUM EHEA_BMASK_IBM(32, 47) diff --git a/drivers/net/ehea/ehea_qmr.c b/drivers/net/ehea/ehea_qmr.c index 29eaa46948b..a36fa6c23fd 100644 --- a/drivers/net/ehea/ehea_qmr.c +++ b/drivers/net/ehea/ehea_qmr.c @@ -31,6 +31,13 @@ #include "ehea_phyp.h" #include "ehea_qmr.h" + +struct ehea_busmap ehea_bmap = { 0, 0, NULL }; +extern u64 ehea_driver_flags; +extern struct workqueue_struct *ehea_driver_wq; +extern struct work_struct ehea_rereg_mr_task; + + static void *hw_qpageit_get_inc(struct hw_queue *queue) { void *retvalue = hw_qeit_get(queue); @@ -547,18 +554,84 @@ int ehea_destroy_qp(struct ehea_qp *qp) return 0; } +int ehea_create_busmap( void ) +{ + u64 vaddr = EHEA_BUSMAP_START; + unsigned long abs_max_pfn = 0; + unsigned long sec_max_pfn; + int i; + + /* + * Sections are not in ascending order -> Loop over all sections and + * find the highest PFN to compute the required map size. + */ + ehea_bmap.valid_sections = 0; + + for (i = 0; i < NR_MEM_SECTIONS; i++) + if (valid_section_nr(i)) { + sec_max_pfn = section_nr_to_pfn(i); + if (sec_max_pfn > abs_max_pfn) + abs_max_pfn = sec_max_pfn; + ehea_bmap.valid_sections++; + } + + ehea_bmap.entries = abs_max_pfn / EHEA_PAGES_PER_SECTION + 1; + ehea_bmap.vaddr = vmalloc(ehea_bmap.entries * sizeof(*ehea_bmap.vaddr)); + + if (!ehea_bmap.vaddr) + return -ENOMEM; + + for (i = 0 ; i < ehea_bmap.entries; i++) { + unsigned long pfn = section_nr_to_pfn(i); + + if (pfn_valid(pfn)) { + ehea_bmap.vaddr[i] = vaddr; + vaddr += EHEA_SECTSIZE; + } else + ehea_bmap.vaddr[i] = 0; + } + + return 0; +} + +void ehea_destroy_busmap( void ) +{ + vfree(ehea_bmap.vaddr); +} + +u64 ehea_map_vaddr(void *caddr) +{ + u64 mapped_addr; + unsigned long index = __pa(caddr) >> SECTION_SIZE_BITS; + + if (likely(index < ehea_bmap.entries)) { + mapped_addr = ehea_bmap.vaddr[index]; + if (likely(mapped_addr)) + mapped_addr |= (((unsigned long)caddr) + & (EHEA_SECTSIZE - 1)); + else + mapped_addr = -1; + } else + mapped_addr = -1; + + if (unlikely(mapped_addr == -1)) + if (!test_and_set_bit(__EHEA_STOP_XFER, &ehea_driver_flags)) + queue_work(ehea_driver_wq, &ehea_rereg_mr_task); + + return mapped_addr; +} + int ehea_reg_kernel_mr(struct ehea_adapter *adapter, struct ehea_mr *mr) { - int i, k, ret; - u64 hret, pt_abs, start, end, nr_pages; - u32 acc_ctrl = EHEA_MR_ACC_CTRL; + int ret; u64 *pt; + void *pg; + u64 hret, pt_abs, i, j, m, mr_len; + u32 acc_ctrl = EHEA_MR_ACC_CTRL; - start = KERNELBASE; - end = (u64)high_memory; - nr_pages = (end - start) / EHEA_PAGESIZE; + mr_len = ehea_bmap.valid_sections * EHEA_SECTSIZE; - pt = kzalloc(PAGE_SIZE, GFP_KERNEL); + pt = kzalloc(EHEA_MAX_RPAGE * sizeof(u64), GFP_KERNEL); if (!pt) { ehea_error("no mem"); ret = -ENOMEM; @@ -566,7 +639,8 @@ int ehea_reg_kernel_mr(struct ehea_adapter *adapter, struct ehea_mr *mr) } pt_abs = virt_to_abs(pt); - hret = ehea_h_alloc_resource_mr(adapter->handle, start, end - start, + hret = ehea_h_alloc_resource_mr(adapter->handle, + EHEA_BUSMAP_START, mr_len, acc_ctrl, adapter->pd, &mr->handle, &mr->lkey); if (hret != H_SUCCESS) { @@ -575,49 +649,43 @@ int ehea_reg_kernel_mr(struct ehea_adapter *adapter, struct ehea_mr *mr) goto out; } - mr->vaddr = KERNELBASE; - k = 0; - - while (nr_pages > 0) { - if (nr_pages > 1) { - u64 num_pages = min(nr_pages, (u64)512); - for (i = 0; i < num_pages; i++) - pt[i] = virt_to_abs((void*)(((u64)start) + - ((k++) * - EHEA_PAGESIZE))); - - hret = ehea_h_register_rpage_mr(adapter->handle, - mr->handle, 0, - 0, (u64)pt_abs, - num_pages); - nr_pages -= num_pages; - } else { - u64 abs_adr = virt_to_abs((void*)(((u64)start) + - (k * EHEA_PAGESIZE))); - - hret = ehea_h_register_rpage_mr(adapter->handle, - mr->handle, 0, - 0, abs_adr,1); - nr_pages--; - } - - if ((hret != H_SUCCESS) && (hret != H_PAGE_REGISTERED)) { - ehea_h_free_resource(adapter->handle, - mr->handle, FORCE_FREE); - ehea_error("register_rpage_mr failed"); - ret = -EIO; - goto out; + for (i = 0 ; i < ehea_bmap.entries; i++) + if (ehea_bmap.vaddr[i]) { + void *sectbase = __va(i << SECTION_SIZE_BITS); + unsigned long k = 0; + + for (j = 0; j < (PAGES_PER_SECTION / EHEA_MAX_RPAGE); + j++) { + + for (m = 0; m < EHEA_MAX_RPAGE; m++) { + pg = sectbase + ((k++) * EHEA_PAGESIZE); + pt[m] = virt_to_abs(pg); + } + + hret = ehea_h_register_rpage_mr(adapter->handle, + mr->handle, + 0, 0, pt_abs, + EHEA_MAX_RPAGE); + if ((hret != H_SUCCESS) + && (hret != H_PAGE_REGISTERED)) { + ehea_h_free_resource(adapter->handle, + mr->handle, + FORCE_FREE); + ehea_error("register_rpage_mr failed"); + ret = -EIO; + goto out; + } + } } - } if (hret != H_SUCCESS) { - ehea_h_free_resource(adapter->handle, mr->handle, - FORCE_FREE); - ehea_error("register_rpage failed for last page"); + ehea_h_free_resource(adapter->handle, mr->handle, FORCE_FREE); + ehea_error("registering mr failed"); ret = -EIO; goto out; } + mr->vaddr = EHEA_BUSMAP_START; mr->adapter = adapter; ret = 0; out: diff --git a/drivers/net/ehea/ehea_qmr.h b/drivers/net/ehea/ehea_qmr.h index c0eb3e03a10..b71f8452a5e 100644 --- a/drivers/net/ehea/ehea_qmr.h +++ b/drivers/net/ehea/ehea_qmr.h @@ -36,8 +36,14 @@ * page size of ehea hardware queues */ -#define EHEA_PAGESHIFT 12 -#define EHEA_PAGESIZE 4096UL +#define EHEA_PAGESHIFT 12 +#define EHEA_PAGESIZE (1UL << EHEA_PAGESHIFT) +#define EHEA_SECTSIZE (1UL << 24) +#define EHEA_PAGES_PER_SECTION (EHEA_SECTSIZE >> PAGE_SHIFT) + +#if (1UL << SECTION_SIZE_BITS) < EHEA_SECTSIZE +#error eHEA module can't work if kernel sectionsize < ehea sectionsize +#endif /* Some abbreviations used here: * @@ -372,4 +378,8 @@ int ehea_rem_mr(struct ehea_mr *mr); void ehea_error_data(struct ehea_adapter *adapter, u64 res_handle); +int ehea_create_busmap( void ); +void ehea_destroy_busmap( void ); +u64 ehea_map_vaddr(void *caddr); + #endif /* __EHEA_QMR_H__ */ diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c index 67046e8c21e..136827f8dc2 100644 --- a/drivers/net/forcedeth.c +++ b/drivers/net/forcedeth.c @@ -550,6 +550,8 @@ union ring_type { /* PHY defines */ #define PHY_OUI_MARVELL 0x5043 #define PHY_OUI_CICADA 0x03f1 +#define PHY_OUI_VITESSE 0x01c1 +#define PHY_OUI_REALTEK 0x01c1 #define PHYID1_OUI_MASK 0x03ff #define PHYID1_OUI_SHFT 6 #define PHYID2_OUI_MASK 0xfc00 @@ -557,12 +559,36 @@ union ring_type { #define PHYID2_MODEL_MASK 0x03f0 #define PHY_MODEL_MARVELL_E3016 0x220 #define PHY_MARVELL_E3016_INITMASK 0x0300 -#define PHY_INIT1 0x0f000 -#define PHY_INIT2 0x0e00 -#define PHY_INIT3 0x01000 -#define PHY_INIT4 0x0200 -#define PHY_INIT5 0x0004 -#define PHY_INIT6 0x02000 +#define PHY_CICADA_INIT1 0x0f000 +#define PHY_CICADA_INIT2 0x0e00 +#define PHY_CICADA_INIT3 0x01000 +#define PHY_CICADA_INIT4 0x0200 +#define PHY_CICADA_INIT5 0x0004 +#define PHY_CICADA_INIT6 0x02000 +#define PHY_VITESSE_INIT_REG1 0x1f +#define PHY_VITESSE_INIT_REG2 0x10 +#define PHY_VITESSE_INIT_REG3 0x11 +#define PHY_VITESSE_INIT_REG4 0x12 +#define PHY_VITESSE_INIT_MSK1 0xc +#define PHY_VITESSE_INIT_MSK2 0x0180 +#define PHY_VITESSE_INIT1 0x52b5 +#define PHY_VITESSE_INIT2 0xaf8a +#define PHY_VITESSE_INIT3 0x8 +#define PHY_VITESSE_INIT4 0x8f8a +#define PHY_VITESSE_INIT5 0xaf86 +#define PHY_VITESSE_INIT6 0x8f86 +#define PHY_VITESSE_INIT7 0xaf82 +#define PHY_VITESSE_INIT8 0x0100 +#define PHY_VITESSE_INIT9 0x8f82 +#define PHY_VITESSE_INIT10 0x0 +#define PHY_REALTEK_INIT_REG1 0x1f +#define PHY_REALTEK_INIT_REG2 0x19 +#define PHY_REALTEK_INIT_REG3 0x13 +#define PHY_REALTEK_INIT1 0x0000 +#define PHY_REALTEK_INIT2 0x8e00 +#define PHY_REALTEK_INIT3 0x0001 +#define PHY_REALTEK_INIT4 0xad17 + #define PHY_GIGABIT 0x0100 #define PHY_TIMEOUT 0x1 @@ -1096,6 +1122,28 @@ static int phy_init(struct net_device *dev) return PHY_ERROR; } } + if (np->phy_oui == PHY_OUI_REALTEK) { + if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG1, PHY_REALTEK_INIT1)) { + printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); + return PHY_ERROR; + } + if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG2, PHY_REALTEK_INIT2)) { + printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); + return PHY_ERROR; + } + if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG1, PHY_REALTEK_INIT3)) { + printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); + return PHY_ERROR; + } + if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG3, PHY_REALTEK_INIT4)) { + printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); + return PHY_ERROR; + } + if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG1, PHY_REALTEK_INIT1)) { + printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); + return PHY_ERROR; + } + } /* set advertise register */ reg = mii_rw(dev, np->phyaddr, MII_ADVERTISE, MII_READ); @@ -1141,14 +1189,14 @@ static int phy_init(struct net_device *dev) /* phy vendor specific configuration */ if ((np->phy_oui == PHY_OUI_CICADA) && (phyinterface & PHY_RGMII) ) { phy_reserved = mii_rw(dev, np->phyaddr, MII_RESV1, MII_READ); - phy_reserved &= ~(PHY_INIT1 | PHY_INIT2); - phy_reserved |= (PHY_INIT3 | PHY_INIT4); + phy_reserved &= ~(PHY_CICADA_INIT1 | PHY_CICADA_INIT2); + phy_reserved |= (PHY_CICADA_INIT3 | PHY_CICADA_INIT4); if (mii_rw(dev, np->phyaddr, MII_RESV1, phy_reserved)) { printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); return PHY_ERROR; } phy_reserved = mii_rw(dev, np->phyaddr, MII_NCONFIG, MII_READ); - phy_reserved |= PHY_INIT5; + phy_reserved |= PHY_CICADA_INIT5; if (mii_rw(dev, np->phyaddr, MII_NCONFIG, phy_reserved)) { printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); return PHY_ERROR; @@ -1156,12 +1204,106 @@ static int phy_init(struct net_device *dev) } if (np->phy_oui == PHY_OUI_CICADA) { phy_reserved = mii_rw(dev, np->phyaddr, MII_SREVISION, MII_READ); - phy_reserved |= PHY_INIT6; + phy_reserved |= PHY_CICADA_INIT6; if (mii_rw(dev, np->phyaddr, MII_SREVISION, phy_reserved)) { printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); return PHY_ERROR; } } + if (np->phy_oui == PHY_OUI_VITESSE) { + if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG1, PHY_VITESSE_INIT1)) { + printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); + return PHY_ERROR; + } + if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG2, PHY_VITESSE_INIT2)) { + printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); + return PHY_ERROR; + } + phy_reserved = mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG4, MII_READ); + if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG4, phy_reserved)) { + printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); + return PHY_ERROR; + } + phy_reserved = mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG3, MII_READ); + phy_reserved &= ~PHY_VITESSE_INIT_MSK1; + phy_reserved |= PHY_VITESSE_INIT3; + if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG3, phy_reserved)) { + printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); + return PHY_ERROR; + } + if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG2, PHY_VITESSE_INIT4)) { + printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); + return PHY_ERROR; + } + if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG2, PHY_VITESSE_INIT5)) { + printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); + return PHY_ERROR; + } + phy_reserved = mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG4, MII_READ); + phy_reserved &= ~PHY_VITESSE_INIT_MSK1; + phy_reserved |= PHY_VITESSE_INIT3; + if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG4, phy_reserved)) { + printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); + return PHY_ERROR; + } + phy_reserved = mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG3, MII_READ); + if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG3, phy_reserved)) { + printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); + return PHY_ERROR; + } + if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG2, PHY_VITESSE_INIT6)) { + printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); + return PHY_ERROR; + } + if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG2, PHY_VITESSE_INIT7)) { + printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); + return PHY_ERROR; + } + phy_reserved = mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG4, MII_READ); + if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG4, phy_reserved)) { + printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); + return PHY_ERROR; + } + phy_reserved = mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG3, MII_READ); + phy_reserved &= ~PHY_VITESSE_INIT_MSK2; + phy_reserved |= PHY_VITESSE_INIT8; + if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG3, phy_reserved)) { + printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); + return PHY_ERROR; + } + if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG2, PHY_VITESSE_INIT9)) { + printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); + return PHY_ERROR; + } + if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG1, PHY_VITESSE_INIT10)) { + printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); + return PHY_ERROR; + } + } + if (np->phy_oui == PHY_OUI_REALTEK) { + /* reset could have cleared these out, set them back */ + if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG1, PHY_REALTEK_INIT1)) { + printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); + return PHY_ERROR; + } + if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG2, PHY_REALTEK_INIT2)) { + printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); + return PHY_ERROR; + } + if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG1, PHY_REALTEK_INIT3)) { + printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); + return PHY_ERROR; + } + if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG3, PHY_REALTEK_INIT4)) { + printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); + return PHY_ERROR; + } + if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG1, PHY_REALTEK_INIT1)) { + printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); + return PHY_ERROR; + } + } + /* some phys clear out pause advertisment on reset, set it back */ mii_rw(dev, np->phyaddr, MII_ADVERTISE, reg); diff --git a/drivers/net/gianfar_mii.c b/drivers/net/gianfar_mii.c index 5dd34a1a7b8..ac3596f45dd 100644 --- a/drivers/net/gianfar_mii.c +++ b/drivers/net/gianfar_mii.c @@ -31,7 +31,6 @@ #include <linux/mm.h> #include <linux/module.h> #include <linux/platform_device.h> -#include <asm/ocp.h> #include <linux/crc32.h> #include <linux/mii.h> #include <linux/phy.h> diff --git a/drivers/net/macb.c b/drivers/net/macb.c index 0e04f7ac3f2..a4bb0264180 100644 --- a/drivers/net/macb.c +++ b/drivers/net/macb.c @@ -17,13 +17,12 @@ #include <linux/init.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> -#include <linux/mii.h> -#include <linux/mutex.h> #include <linux/dma-mapping.h> -#include <linux/ethtool.h> #include <linux/platform_device.h> +#include <linux/phy.h> #include <asm/arch/board.h> +#include <asm/arch/cpu.h> #include "macb.h" @@ -85,172 +84,202 @@ static void __init macb_get_hwaddr(struct macb *bp) memcpy(bp->dev->dev_addr, addr, sizeof(addr)); } -static void macb_enable_mdio(struct macb *bp) +static int macb_mdio_read(struct mii_bus *bus, int mii_id, int regnum) { - unsigned long flags; - u32 reg; - - spin_lock_irqsave(&bp->lock, flags); - reg = macb_readl(bp, NCR); - reg |= MACB_BIT(MPE); - macb_writel(bp, NCR, reg); - macb_writel(bp, IER, MACB_BIT(MFD)); - spin_unlock_irqrestore(&bp->lock, flags); -} - -static void macb_disable_mdio(struct macb *bp) -{ - unsigned long flags; - u32 reg; - - spin_lock_irqsave(&bp->lock, flags); - reg = macb_readl(bp, NCR); - reg &= ~MACB_BIT(MPE); - macb_writel(bp, NCR, reg); - macb_writel(bp, IDR, MACB_BIT(MFD)); - spin_unlock_irqrestore(&bp->lock, flags); -} - -static int macb_mdio_read(struct net_device *dev, int phy_id, int location) -{ - struct macb *bp = netdev_priv(dev); + struct macb *bp = bus->priv; int value; - mutex_lock(&bp->mdio_mutex); - - macb_enable_mdio(bp); macb_writel(bp, MAN, (MACB_BF(SOF, MACB_MAN_SOF) | MACB_BF(RW, MACB_MAN_READ) - | MACB_BF(PHYA, phy_id) - | MACB_BF(REGA, location) + | MACB_BF(PHYA, mii_id) + | MACB_BF(REGA, regnum) | MACB_BF(CODE, MACB_MAN_CODE))); - wait_for_completion(&bp->mdio_complete); + /* wait for end of transfer */ + while (!MACB_BFEXT(IDLE, macb_readl(bp, NSR))) + cpu_relax(); value = MACB_BFEXT(DATA, macb_readl(bp, MAN)); - macb_disable_mdio(bp); - mutex_unlock(&bp->mdio_mutex); return value; } -static void macb_mdio_write(struct net_device *dev, int phy_id, - int location, int val) +static int macb_mdio_write(struct mii_bus *bus, int mii_id, int regnum, + u16 value) { - struct macb *bp = netdev_priv(dev); - - dev_dbg(&bp->pdev->dev, "mdio_write %02x:%02x <- %04x\n", - phy_id, location, val); - - mutex_lock(&bp->mdio_mutex); - macb_enable_mdio(bp); + struct macb *bp = bus->priv; macb_writel(bp, MAN, (MACB_BF(SOF, MACB_MAN_SOF) | MACB_BF(RW, MACB_MAN_WRITE) - | MACB_BF(PHYA, phy_id) - | MACB_BF(REGA, location) + | MACB_BF(PHYA, mii_id) + | MACB_BF(REGA, regnum) | MACB_BF(CODE, MACB_MAN_CODE) - | MACB_BF(DATA, val))); + | MACB_BF(DATA, value))); - wait_for_completion(&bp->mdio_complete); + /* wait for end of transfer */ + while (!MACB_BFEXT(IDLE, macb_readl(bp, NSR))) + cpu_relax(); - macb_disable_mdio(bp); - mutex_unlock(&bp->mdio_mutex); + return 0; } -static int macb_phy_probe(struct macb *bp) +static int macb_mdio_reset(struct mii_bus *bus) { - int phy_address; - u16 phyid1, phyid2; + return 0; +} - for (phy_address = 0; phy_address < 32; phy_address++) { - phyid1 = macb_mdio_read(bp->dev, phy_address, MII_PHYSID1); - phyid2 = macb_mdio_read(bp->dev, phy_address, MII_PHYSID2); +static void macb_handle_link_change(struct net_device *dev) +{ + struct macb *bp = netdev_priv(dev); + struct phy_device *phydev = bp->phy_dev; + unsigned long flags; - if (phyid1 != 0xffff && phyid1 != 0x0000 - && phyid2 != 0xffff && phyid2 != 0x0000) - break; + int status_change = 0; + + spin_lock_irqsave(&bp->lock, flags); + + if (phydev->link) { + if ((bp->speed != phydev->speed) || + (bp->duplex != phydev->duplex)) { + u32 reg; + + reg = macb_readl(bp, NCFGR); + reg &= ~(MACB_BIT(SPD) | MACB_BIT(FD)); + + if (phydev->duplex) + reg |= MACB_BIT(FD); + if (phydev->speed) + reg |= MACB_BIT(SPD); + + macb_writel(bp, NCFGR, reg); + + bp->speed = phydev->speed; + bp->duplex = phydev->duplex; + status_change = 1; + } } - if (phy_address == 32) - return -ENODEV; + if (phydev->link != bp->link) { + if (phydev->link) + netif_schedule(dev); + else { + bp->speed = 0; + bp->duplex = -1; + } + bp->link = phydev->link; - dev_info(&bp->pdev->dev, - "detected PHY at address %d (ID %04x:%04x)\n", - phy_address, phyid1, phyid2); + status_change = 1; + } - bp->mii.phy_id = phy_address; - return 0; + spin_unlock_irqrestore(&bp->lock, flags); + + if (status_change) { + if (phydev->link) + printk(KERN_INFO "%s: link up (%d/%s)\n", + dev->name, phydev->speed, + DUPLEX_FULL == phydev->duplex ? "Full":"Half"); + else + printk(KERN_INFO "%s: link down\n", dev->name); + } } -static void macb_set_media(struct macb *bp, int media) +/* based on au1000_eth. c*/ +static int macb_mii_probe(struct net_device *dev) { - u32 reg; + struct macb *bp = netdev_priv(dev); + struct phy_device *phydev = NULL; + struct eth_platform_data *pdata; + int phy_addr; - spin_lock_irq(&bp->lock); - reg = macb_readl(bp, NCFGR); - reg &= ~(MACB_BIT(SPD) | MACB_BIT(FD)); - if (media & (ADVERTISE_100HALF | ADVERTISE_100FULL)) - reg |= MACB_BIT(SPD); - if (media & ADVERTISE_FULL) - reg |= MACB_BIT(FD); - macb_writel(bp, NCFGR, reg); - spin_unlock_irq(&bp->lock); + /* find the first phy */ + for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) { + if (bp->mii_bus.phy_map[phy_addr]) { + phydev = bp->mii_bus.phy_map[phy_addr]; + break; + } + } + + if (!phydev) { + printk (KERN_ERR "%s: no PHY found\n", dev->name); + return -1; + } + + pdata = bp->pdev->dev.platform_data; + /* TODO : add pin_irq */ + + /* attach the mac to the phy */ + if (pdata && pdata->is_rmii) { + phydev = phy_connect(dev, phydev->dev.bus_id, + &macb_handle_link_change, 0, PHY_INTERFACE_MODE_RMII); + } else { + phydev = phy_connect(dev, phydev->dev.bus_id, + &macb_handle_link_change, 0, PHY_INTERFACE_MODE_MII); + } + + if (IS_ERR(phydev)) { + printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name); + return PTR_ERR(phydev); + } + + /* mask with MAC supported features */ + phydev->supported &= PHY_BASIC_FEATURES; + + phydev->advertising = phydev->supported; + + bp->link = 0; + bp->speed = 0; + bp->duplex = -1; + bp->phy_dev = phydev; + + return 0; } -static void macb_check_media(struct macb *bp, int ok_to_print, int init_media) +static int macb_mii_init(struct macb *bp) { - struct mii_if_info *mii = &bp->mii; - unsigned int old_carrier, new_carrier; - int advertise, lpa, media, duplex; + struct eth_platform_data *pdata; + int err = -ENXIO, i; - /* if forced media, go no further */ - if (mii->force_media) - return; + /* Enable managment port */ + macb_writel(bp, NCR, MACB_BIT(MPE)); - /* check current and old link status */ - old_carrier = netif_carrier_ok(mii->dev) ? 1 : 0; - new_carrier = (unsigned int) mii_link_ok(mii); + bp->mii_bus.name = "MACB_mii_bus", + bp->mii_bus.read = &macb_mdio_read, + bp->mii_bus.write = &macb_mdio_write, + bp->mii_bus.reset = &macb_mdio_reset, + bp->mii_bus.id = bp->pdev->id, + bp->mii_bus.priv = bp, + bp->mii_bus.dev = &bp->dev->dev; + pdata = bp->pdev->dev.platform_data; - /* if carrier state did not change, assume nothing else did */ - if (!init_media && old_carrier == new_carrier) - return; + if (pdata) + bp->mii_bus.phy_mask = pdata->phy_mask; - /* no carrier, nothing much to do */ - if (!new_carrier) { - netif_carrier_off(mii->dev); - printk(KERN_INFO "%s: link down\n", mii->dev->name); - return; + bp->mii_bus.irq = kmalloc(sizeof(int)*PHY_MAX_ADDR, GFP_KERNEL); + if (!bp->mii_bus.irq) { + err = -ENOMEM; + goto err_out; } - /* - * we have carrier, see who's on the other end - */ - netif_carrier_on(mii->dev); + for (i = 0; i < PHY_MAX_ADDR; i++) + bp->mii_bus.irq[i] = PHY_POLL; - /* get MII advertise and LPA values */ - if (!init_media && mii->advertising) { - advertise = mii->advertising; - } else { - advertise = mii->mdio_read(mii->dev, mii->phy_id, MII_ADVERTISE); - mii->advertising = advertise; - } - lpa = mii->mdio_read(mii->dev, mii->phy_id, MII_LPA); + platform_set_drvdata(bp->dev, &bp->mii_bus); - /* figure out media and duplex from advertise and LPA values */ - media = mii_nway_result(lpa & advertise); - duplex = (media & ADVERTISE_FULL) ? 1 : 0; + if (mdiobus_register(&bp->mii_bus)) + goto err_out_free_mdio_irq; - if (ok_to_print) - printk(KERN_INFO "%s: link up, %sMbps, %s-duplex, lpa 0x%04X\n", - mii->dev->name, - media & (ADVERTISE_100FULL | ADVERTISE_100HALF) ? "100" : "10", - duplex ? "full" : "half", lpa); + if (macb_mii_probe(bp->dev) != 0) { + goto err_out_unregister_bus; + } - mii->full_duplex = duplex; + return 0; - /* Let the MAC know about the new link state */ - macb_set_media(bp, media); +err_out_unregister_bus: + mdiobus_unregister(&bp->mii_bus); +err_out_free_mdio_irq: + kfree(bp->mii_bus.irq); +err_out: + return err; } static void macb_update_stats(struct macb *bp) @@ -265,16 +294,6 @@ static void macb_update_stats(struct macb *bp) *p += __raw_readl(reg); } -static void macb_periodic_task(struct work_struct *work) -{ - struct macb *bp = container_of(work, struct macb, periodic_task.work); - - macb_update_stats(bp); - macb_check_media(bp, 1, 0); - - schedule_delayed_work(&bp->periodic_task, HZ); -} - static void macb_tx(struct macb *bp) { unsigned int tail; @@ -519,9 +538,6 @@ static irqreturn_t macb_interrupt(int irq, void *dev_id) spin_lock(&bp->lock); while (status) { - if (status & MACB_BIT(MFD)) - complete(&bp->mdio_complete); - /* close possible race with dev_close */ if (unlikely(!netif_running(dev))) { macb_writel(bp, IDR, ~0UL); @@ -535,7 +551,8 @@ static irqreturn_t macb_interrupt(int irq, void *dev_id) * until we have processed the buffers */ macb_writel(bp, IDR, MACB_RX_INT_FLAGS); - dev_dbg(&bp->pdev->dev, "scheduling RX softirq\n"); + dev_dbg(&bp->pdev->dev, + "scheduling RX softirq\n"); __netif_rx_schedule(dev); } } @@ -765,7 +782,7 @@ static void macb_init_hw(struct macb *bp) macb_writel(bp, TBQP, bp->tx_ring_dma); /* Enable TX and RX */ - macb_writel(bp, NCR, MACB_BIT(RE) | MACB_BIT(TE)); + macb_writel(bp, NCR, MACB_BIT(RE) | MACB_BIT(TE) | MACB_BIT(MPE)); /* Enable interrupts */ macb_writel(bp, IER, (MACB_BIT(RCOMP) @@ -776,18 +793,126 @@ static void macb_init_hw(struct macb *bp) | MACB_BIT(TCOMP) | MACB_BIT(ISR_ROVR) | MACB_BIT(HRESP))); + } -static void macb_init_phy(struct net_device *dev) +/* + * The hash address register is 64 bits long and takes up two + * locations in the memory map. The least significant bits are stored + * in EMAC_HSL and the most significant bits in EMAC_HSH. + * + * The unicast hash enable and the multicast hash enable bits in the + * network configuration register enable the reception of hash matched + * frames. The destination address is reduced to a 6 bit index into + * the 64 bit hash register using the following hash function. The + * hash function is an exclusive or of every sixth bit of the + * destination address. + * + * hi[5] = da[5] ^ da[11] ^ da[17] ^ da[23] ^ da[29] ^ da[35] ^ da[41] ^ da[47] + * hi[4] = da[4] ^ da[10] ^ da[16] ^ da[22] ^ da[28] ^ da[34] ^ da[40] ^ da[46] + * hi[3] = da[3] ^ da[09] ^ da[15] ^ da[21] ^ da[27] ^ da[33] ^ da[39] ^ da[45] + * hi[2] = da[2] ^ da[08] ^ da[14] ^ da[20] ^ da[26] ^ da[32] ^ da[38] ^ da[44] + * hi[1] = da[1] ^ da[07] ^ da[13] ^ da[19] ^ da[25] ^ da[31] ^ da[37] ^ da[43] + * hi[0] = da[0] ^ da[06] ^ da[12] ^ da[18] ^ da[24] ^ da[30] ^ da[36] ^ da[42] + * + * da[0] represents the least significant bit of the first byte + * received, that is, the multicast/unicast indicator, and da[47] + * represents the most significant bit of the last byte received. If + * the hash index, hi[n], points to a bit that is set in the hash + * register then the frame will be matched according to whether the + * frame is multicast or unicast. A multicast match will be signalled + * if the multicast hash enable bit is set, da[0] is 1 and the hash + * index points to a bit set in the hash register. A unicast match + * will be signalled if the unicast hash enable bit is set, da[0] is 0 + * and the hash index points to a bit set in the hash register. To + * receive all multicast frames, the hash register should be set with + * all ones and the multicast hash enable bit should be set in the + * network configuration register. + */ + +static inline int hash_bit_value(int bitnr, __u8 *addr) { + if (addr[bitnr / 8] & (1 << (bitnr % 8))) + return 1; + return 0; +} + +/* + * Return the hash index value for the specified address. + */ +static int hash_get_index(__u8 *addr) +{ + int i, j, bitval; + int hash_index = 0; + + for (j = 0; j < 6; j++) { + for (i = 0, bitval = 0; i < 8; i++) + bitval ^= hash_bit_value(i*6 + j, addr); + + hash_index |= (bitval << j); + } + + return hash_index; +} + +/* + * Add multicast addresses to the internal multicast-hash table. + */ +static void macb_sethashtable(struct net_device *dev) +{ + struct dev_mc_list *curr; + unsigned long mc_filter[2]; + unsigned int i, bitnr; + struct macb *bp = netdev_priv(dev); + + mc_filter[0] = mc_filter[1] = 0; + + curr = dev->mc_list; + for (i = 0; i < dev->mc_count; i++, curr = curr->next) { + if (!curr) break; /* unexpected end of list */ + + bitnr = hash_get_index(curr->dmi_addr); + mc_filter[bitnr >> 5] |= 1 << (bitnr & 31); + } + + macb_writel(bp, HRB, mc_filter[0]); + macb_writel(bp, HRT, mc_filter[1]); +} + +/* + * Enable/Disable promiscuous and multicast modes. + */ +static void macb_set_rx_mode(struct net_device *dev) +{ + unsigned long cfg; struct macb *bp = netdev_priv(dev); - /* Set some reasonable default settings */ - macb_mdio_write(dev, bp->mii.phy_id, MII_ADVERTISE, - ADVERTISE_CSMA | ADVERTISE_ALL); - macb_mdio_write(dev, bp->mii.phy_id, MII_BMCR, - (BMCR_SPEED100 | BMCR_ANENABLE - | BMCR_ANRESTART | BMCR_FULLDPLX)); + cfg = macb_readl(bp, NCFGR); + + if (dev->flags & IFF_PROMISC) + /* Enable promiscuous mode */ + cfg |= MACB_BIT(CAF); + else if (dev->flags & (~IFF_PROMISC)) + /* Disable promiscuous mode */ + cfg &= ~MACB_BIT(CAF); + + if (dev->flags & IFF_ALLMULTI) { + /* Enable all multicast mode */ + macb_writel(bp, HRB, -1); + macb_writel(bp, HRT, -1); + cfg |= MACB_BIT(NCFGR_MTI); + } else if (dev->mc_count > 0) { + /* Enable specific multicasts */ + macb_sethashtable(dev); + cfg |= MACB_BIT(NCFGR_MTI); + } else if (dev->flags & (~IFF_ALLMULTI)) { + /* Disable all multicast mode */ + macb_writel(bp, HRB, 0); + macb_writel(bp, HRT, 0); + cfg &= ~MACB_BIT(NCFGR_MTI); + } + + macb_writel(bp, NCFGR, cfg); } static int macb_open(struct net_device *dev) @@ -797,6 +922,10 @@ static int macb_open(struct net_device *dev) dev_dbg(&bp->pdev->dev, "open\n"); + /* if the phy is not yet register, retry later*/ + if (!bp->phy_dev) + return -EAGAIN; + if (!is_valid_ether_addr(dev->dev_addr)) return -EADDRNOTAVAIL; @@ -810,12 +939,11 @@ static int macb_open(struct net_device *dev) macb_init_rings(bp); macb_init_hw(bp); - macb_init_phy(dev); - macb_check_media(bp, 1, 1); - netif_start_queue(dev); + /* schedule a link state check */ + phy_start(bp->phy_dev); - schedule_delayed_work(&bp->periodic_task, HZ); + netif_start_queue(dev); return 0; } @@ -825,10 +953,11 @@ static int macb_close(struct net_device *dev) struct macb *bp = netdev_priv(dev); unsigned long flags; - cancel_rearming_delayed_work(&bp->periodic_task); - netif_stop_queue(dev); + if (bp->phy_dev) + phy_stop(bp->phy_dev); + spin_lock_irqsave(&bp->lock, flags); macb_reset_hw(bp); netif_carrier_off(dev); @@ -845,6 +974,9 @@ static struct net_device_stats *macb_get_stats(struct net_device *dev) struct net_device_stats *nstat = &bp->stats; struct macb_stats *hwstat = &bp->hw_stats; + /* read stats from hardware */ + macb_update_stats(bp); + /* Convert HW stats into netdevice stats */ nstat->rx_errors = (hwstat->rx_fcs_errors + hwstat->rx_align_errors + @@ -882,18 +1014,27 @@ static struct net_device_stats *macb_get_stats(struct net_device *dev) static int macb_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) { struct macb *bp = netdev_priv(dev); + struct phy_device *phydev = bp->phy_dev; - return mii_ethtool_gset(&bp->mii, cmd); + if (!phydev) + return -ENODEV; + + return phy_ethtool_gset(phydev, cmd); } static int macb_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) { struct macb *bp = netdev_priv(dev); + struct phy_device *phydev = bp->phy_dev; + + if (!phydev) + return -ENODEV; - return mii_ethtool_sset(&bp->mii, cmd); + return phy_ethtool_sset(phydev, cmd); } -static void macb_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) +static void macb_get_drvinfo(struct net_device *dev, + struct ethtool_drvinfo *info) { struct macb *bp = netdev_priv(dev); @@ -902,104 +1043,34 @@ static void macb_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *inf strcpy(info->bus_info, bp->pdev->dev.bus_id); } -static int macb_nway_reset(struct net_device *dev) -{ - struct macb *bp = netdev_priv(dev); - return mii_nway_restart(&bp->mii); -} - static struct ethtool_ops macb_ethtool_ops = { .get_settings = macb_get_settings, .set_settings = macb_set_settings, .get_drvinfo = macb_get_drvinfo, - .nway_reset = macb_nway_reset, .get_link = ethtool_op_get_link, }; static int macb_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) { struct macb *bp = netdev_priv(dev); + struct phy_device *phydev = bp->phy_dev; if (!netif_running(dev)) return -EINVAL; - return generic_mii_ioctl(&bp->mii, if_mii(rq), cmd, NULL); -} - -static ssize_t macb_mii_show(const struct device *_dev, char *buf, - unsigned long addr) -{ - struct net_device *dev = to_net_dev(_dev); - struct macb *bp = netdev_priv(dev); - ssize_t ret = -EINVAL; - - if (netif_running(dev)) { - int value; - value = macb_mdio_read(dev, bp->mii.phy_id, addr); - ret = sprintf(buf, "0x%04x\n", (uint16_t)value); - } - - return ret; -} - -#define MII_ENTRY(name, addr) \ -static ssize_t show_##name(struct device *_dev, \ - struct device_attribute *attr, \ - char *buf) \ -{ \ - return macb_mii_show(_dev, buf, addr); \ -} \ -static DEVICE_ATTR(name, S_IRUGO, show_##name, NULL) - -MII_ENTRY(bmcr, MII_BMCR); -MII_ENTRY(bmsr, MII_BMSR); -MII_ENTRY(physid1, MII_PHYSID1); -MII_ENTRY(physid2, MII_PHYSID2); -MII_ENTRY(advertise, MII_ADVERTISE); -MII_ENTRY(lpa, MII_LPA); -MII_ENTRY(expansion, MII_EXPANSION); - -static struct attribute *macb_mii_attrs[] = { - &dev_attr_bmcr.attr, - &dev_attr_bmsr.attr, - &dev_attr_physid1.attr, - &dev_attr_physid2.attr, - &dev_attr_advertise.attr, - &dev_attr_lpa.attr, - &dev_attr_expansion.attr, - NULL, -}; - -static struct attribute_group macb_mii_group = { - .name = "mii", - .attrs = macb_mii_attrs, -}; - -static void macb_unregister_sysfs(struct net_device *net) -{ - struct device *_dev = &net->dev; + if (!phydev) + return -ENODEV; - sysfs_remove_group(&_dev->kobj, &macb_mii_group); + return phy_mii_ioctl(phydev, if_mii(rq), cmd); } -static int macb_register_sysfs(struct net_device *net) -{ - struct device *_dev = &net->dev; - int ret; - - ret = sysfs_create_group(&_dev->kobj, &macb_mii_group); - if (ret) - printk(KERN_WARNING - "%s: sysfs mii attribute registration failed: %d\n", - net->name, ret); - return ret; -} static int __devinit macb_probe(struct platform_device *pdev) { struct eth_platform_data *pdata; struct resource *regs; struct net_device *dev; struct macb *bp; + struct phy_device *phydev; unsigned long pclk_hz; u32 config; int err = -ENXIO; @@ -1073,6 +1144,7 @@ static int __devinit macb_probe(struct platform_device *pdev) dev->stop = macb_close; dev->hard_start_xmit = macb_start_xmit; dev->get_stats = macb_get_stats; + dev->set_multicast_list = macb_set_rx_mode; dev->do_ioctl = macb_ioctl; dev->poll = macb_poll; dev->weight = 64; @@ -1080,10 +1152,6 @@ static int __devinit macb_probe(struct platform_device *pdev) dev->base_addr = regs->start; - INIT_DELAYED_WORK(&bp->periodic_task, macb_periodic_task); - mutex_init(&bp->mdio_mutex); - init_completion(&bp->mdio_complete); - /* Set MII management clock divider */ pclk_hz = clk_get_rate(bp->pclk); if (pclk_hz <= 20000000) @@ -1096,20 +1164,9 @@ static int __devinit macb_probe(struct platform_device *pdev) config = MACB_BF(CLK, MACB_CLK_DIV64); macb_writel(bp, NCFGR, config); - bp->mii.dev = dev; - bp->mii.mdio_read = macb_mdio_read; - bp->mii.mdio_write = macb_mdio_write; - bp->mii.phy_id_mask = 0x1f; - bp->mii.reg_num_mask = 0x1f; - macb_get_hwaddr(bp); - err = macb_phy_probe(bp); - if (err) { - dev_err(&pdev->dev, "Failed to detect PHY, aborting.\n"); - goto err_out_free_irq; - } - pdata = pdev->dev.platform_data; + if (pdata && pdata->is_rmii) #if defined(CONFIG_ARCH_AT91) macb_writel(bp, USRIO, (MACB_BIT(RMII) | MACB_BIT(CLKEN)) ); @@ -1131,9 +1188,11 @@ static int __devinit macb_probe(struct platform_device *pdev) goto err_out_free_irq; } - platform_set_drvdata(pdev, dev); + if (macb_mii_init(bp) != 0) { + goto err_out_unregister_netdev; + } - macb_register_sysfs(dev); + platform_set_drvdata(pdev, dev); printk(KERN_INFO "%s: Atmel MACB at 0x%08lx irq %d " "(%02x:%02x:%02x:%02x:%02x:%02x)\n", @@ -1141,8 +1200,15 @@ static int __devinit macb_probe(struct platform_device *pdev) dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2], dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]); + phydev = bp->phy_dev; + printk(KERN_INFO "%s: attached PHY driver [%s] " + "(mii_bus:phy_addr=%s, irq=%d)\n", + dev->name, phydev->drv->name, phydev->dev.bus_id, phydev->irq); + return 0; +err_out_unregister_netdev: + unregister_netdev(dev); err_out_free_irq: free_irq(dev->irq, dev); err_out_iounmap: @@ -1153,7 +1219,9 @@ err_out_disable_clocks: clk_put(bp->hclk); #endif clk_disable(bp->pclk); +#ifndef CONFIG_ARCH_AT91 err_out_put_pclk: +#endif clk_put(bp->pclk); err_out_free_dev: free_netdev(dev); @@ -1171,7 +1239,8 @@ static int __devexit macb_remove(struct platform_device *pdev) if (dev) { bp = netdev_priv(dev); - macb_unregister_sysfs(dev); + mdiobus_unregister(&bp->mii_bus); + kfree(bp->mii_bus.irq); unregister_netdev(dev); free_irq(dev->irq, dev); iounmap(bp->regs); diff --git a/drivers/net/macb.h b/drivers/net/macb.h index b3bb2182edd..4e3283ebd97 100644 --- a/drivers/net/macb.h +++ b/drivers/net/macb.h @@ -383,11 +383,11 @@ struct macb { unsigned int rx_pending, tx_pending; - struct delayed_work periodic_task; - - struct mutex mdio_mutex; - struct completion mdio_complete; - struct mii_if_info mii; + struct mii_bus mii_bus; + struct phy_device *phy_dev; + unsigned int link; + unsigned int speed; + unsigned int duplex; }; #endif /* _MACB_H */ diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c index e1732c164a4..deca65330b0 100644 --- a/drivers/net/myri10ge/myri10ge.c +++ b/drivers/net/myri10ge/myri10ge.c @@ -1060,7 +1060,6 @@ static inline void myri10ge_tx_done(struct myri10ge_priv *mgp, int mcp_index) struct myri10ge_tx_buf *tx = &mgp->tx; struct sk_buff *skb; int idx, len; - int limit = 0; while (tx->pkt_done != mcp_index) { idx = tx->done & tx->mask; @@ -1091,11 +1090,6 @@ static inline void myri10ge_tx_done(struct myri10ge_priv *mgp, int mcp_index) bus), len, PCI_DMA_TODEVICE); } - - /* limit potential for livelock by only handling - * 2 full tx rings per call */ - if (unlikely(++limit > 2 * tx->mask)) - break; } /* start the queue if we've stopped it */ if (netif_queue_stopped(mgp->dev) diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c index 58bbfdd4f90..afef6c0c59f 100644 --- a/drivers/net/s2io.c +++ b/drivers/net/s2io.c @@ -796,12 +796,14 @@ static void free_shared_mem(struct s2io_nic *nic) struct mac_info *mac_control; struct config_param *config; int lst_size, lst_per_page; - struct net_device *dev = nic->dev; + struct net_device *dev; int page_num = 0; if (!nic) return; + dev = nic->dev; + mac_control = &nic->mac_control; config = &nic->config; diff --git a/drivers/net/usb/cdc_subset.c b/drivers/net/usb/cdc_subset.c index bc62b012602..943988ed01d 100644 --- a/drivers/net/usb/cdc_subset.c +++ b/drivers/net/usb/cdc_subset.c @@ -305,6 +305,9 @@ static const struct usb_device_id products [] = { USB_DEVICE (0x8086, 0x07d3), // "blob" bootloader .driver_info = (unsigned long) &blob_info, }, { + USB_DEVICE (0x1286, 0x8001), // "blob" bootloader + .driver_info = (unsigned long) &blob_info, +}, { // Linux Ethernet/RNDIS gadget on pxa210/25x/26x, second config // e.g. Gumstix, current OpenZaurus, ... USB_DEVICE_VER (0x0525, 0xa4a2, 0x0203, 0x0203), diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c index 2d3a180dada..1c54908fdc4 100644 --- a/drivers/net/wireless/airo.c +++ b/drivers/net/wireless/airo.c @@ -52,6 +52,8 @@ #include "airo.h" +#define DRV_NAME "airo" + #ifdef CONFIG_PCI static struct pci_device_id card_ids[] = { { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, }, @@ -71,7 +73,7 @@ static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state); static int airo_pci_resume(struct pci_dev *pdev); static struct pci_driver airo_driver = { - .name = "airo", + .name = DRV_NAME, .id_table = card_ids, .probe = airo_pci_probe, .remove = __devexit_p(airo_pci_remove), @@ -1092,7 +1094,7 @@ static int get_dec_u16( char *buffer, int *start, int limit ); static void OUT4500( struct airo_info *, u16 register, u16 value ); static unsigned short IN4500( struct airo_info *, u16 register ); static u16 setup_card(struct airo_info*, u8 *mac, int lock); -static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock ); +static int enable_MAC(struct airo_info *ai, int lock); static void disable_MAC(struct airo_info *ai, int lock); static void enable_interrupts(struct airo_info*); static void disable_interrupts(struct airo_info*); @@ -1250,7 +1252,7 @@ static int flashputbuf(struct airo_info *ai); static int flashrestart(struct airo_info *ai,struct net_device *dev); #define airo_print(type, name, fmt, args...) \ - { printk(type "airo(%s): " fmt "\n", name, ##args); } + printk(type DRV_NAME "(%s): " fmt "\n", name, ##args) #define airo_print_info(name, fmt, args...) \ airo_print(KERN_INFO, name, fmt, ##args) @@ -1926,28 +1928,54 @@ static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock) { return rc; } +static void try_auto_wep(struct airo_info *ai) +{ + if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) { + ai->expires = RUN_AT(3*HZ); + wake_up_interruptible(&ai->thr_wait); + } +} + static int airo_open(struct net_device *dev) { - struct airo_info *info = dev->priv; - Resp rsp; + struct airo_info *ai = dev->priv; + int rc = 0; - if (test_bit(FLAG_FLASHING, &info->flags)) + if (test_bit(FLAG_FLASHING, &ai->flags)) return -EIO; /* Make sure the card is configured. * Wireless Extensions may postpone config changes until the card * is open (to pipeline changes and speed-up card setup). If * those changes are not yet commited, do it now - Jean II */ - if (test_bit (FLAG_COMMIT, &info->flags)) { - disable_MAC(info, 1); - writeConfigRid(info, 1); + if (test_bit(FLAG_COMMIT, &ai->flags)) { + disable_MAC(ai, 1); + writeConfigRid(ai, 1); } - if (info->wifidev != dev) { + if (ai->wifidev != dev) { + clear_bit(JOB_DIE, &ai->jobs); + ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name); + if (IS_ERR(ai->airo_thread_task)) + return (int)PTR_ERR(ai->airo_thread_task); + + rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED, + dev->name, dev); + if (rc) { + airo_print_err(dev->name, + "register interrupt %d failed, rc %d", + dev->irq, rc); + set_bit(JOB_DIE, &ai->jobs); + kthread_stop(ai->airo_thread_task); + return rc; + } + /* Power on the MAC controller (which may have been disabled) */ - clear_bit(FLAG_RADIO_DOWN, &info->flags); - enable_interrupts(info); + clear_bit(FLAG_RADIO_DOWN, &ai->flags); + enable_interrupts(ai); + + try_auto_wep(ai); } - enable_MAC(info, &rsp, 1); + enable_MAC(ai, 1); netif_start_queue(dev); return 0; @@ -2338,14 +2366,13 @@ static int airo_set_mac_address(struct net_device *dev, void *p) { struct airo_info *ai = dev->priv; struct sockaddr *addr = p; - Resp rsp; readConfigRid(ai, 1); memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len); set_bit (FLAG_COMMIT, &ai->flags); disable_MAC(ai, 1); writeConfigRid (ai, 1); - enable_MAC(ai, &rsp, 1); + enable_MAC(ai, 1); memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len); if (ai->wifidev) memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len); @@ -2392,6 +2419,11 @@ static int airo_close(struct net_device *dev) { disable_MAC(ai, 1); #endif disable_interrupts( ai ); + + free_irq(dev->irq, dev); + + set_bit(JOB_DIE, &ai->jobs); + kthread_stop(ai->airo_thread_task); } return 0; } @@ -2403,7 +2435,6 @@ void stop_airo_card( struct net_device *dev, int freeres ) set_bit(FLAG_RADIO_DOWN, &ai->flags); disable_MAC(ai, 1); disable_interrupts(ai); - free_irq( dev->irq, dev ); takedown_proc_entry( dev, ai ); if (test_bit(FLAG_REGISTERED, &ai->flags)) { unregister_netdev( dev ); @@ -2414,9 +2445,6 @@ void stop_airo_card( struct net_device *dev, int freeres ) } clear_bit(FLAG_REGISTERED, &ai->flags); } - set_bit(JOB_DIE, &ai->jobs); - kthread_stop(ai->airo_thread_task); - /* * Clean out tx queue */ @@ -2554,8 +2582,7 @@ static int mpi_init_descriptors (struct airo_info *ai) * 2) Map PCI memory for issueing commands. * 3) Allocate memory (shared) to send and receive ethernet frames. */ -static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci, - const char *name) +static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci) { unsigned long mem_start, mem_len, aux_start, aux_len; int rc = -1; @@ -2569,35 +2596,35 @@ static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci, aux_start = pci_resource_start(pci, 2); aux_len = AUXMEMSIZE; - if (!request_mem_region(mem_start, mem_len, name)) { - airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s", - (int)mem_start, (int)mem_len, name); + if (!request_mem_region(mem_start, mem_len, DRV_NAME)) { + airo_print_err("", "Couldn't get region %x[%x]", + (int)mem_start, (int)mem_len); goto out; } - if (!request_mem_region(aux_start, aux_len, name)) { - airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s", - (int)aux_start, (int)aux_len, name); + if (!request_mem_region(aux_start, aux_len, DRV_NAME)) { + airo_print_err("", "Couldn't get region %x[%x]", + (int)aux_start, (int)aux_len); goto free_region1; } ai->pcimem = ioremap(mem_start, mem_len); if (!ai->pcimem) { - airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s", - (int)mem_start, (int)mem_len, name); + airo_print_err("", "Couldn't map region %x[%x]", + (int)mem_start, (int)mem_len); goto free_region2; } ai->pciaux = ioremap(aux_start, aux_len); if (!ai->pciaux) { - airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s", - (int)aux_start, (int)aux_len, name); + airo_print_err("", "Couldn't map region %x[%x]", + (int)aux_start, (int)aux_len); goto free_memmap; } /* Reserve PKTSIZE for each fid and 2K for the Rids */ ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma); if (!ai->shared) { - airo_print_err(ai->dev->name, "Couldn't alloc_consistent %d", - PCI_SHARED_LEN); + airo_print_err("", "Couldn't alloc_consistent %d", + PCI_SHARED_LEN); goto free_auxmap; } @@ -2742,7 +2769,7 @@ static int airo_networks_allocate(struct airo_info *ai) kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement), GFP_KERNEL); if (!ai->networks) { - airo_print_warn(ai->dev->name, "Out of memory allocating beacons"); + airo_print_warn("", "Out of memory allocating beacons"); return -ENOMEM; } @@ -2770,7 +2797,6 @@ static int airo_test_wpa_capable(struct airo_info *ai) { int status; CapabilityRid cap_rid; - const char *name = ai->dev->name; status = readCapabilityRid(ai, &cap_rid, 1); if (status != SUCCESS) return 0; @@ -2778,12 +2804,12 @@ static int airo_test_wpa_capable(struct airo_info *ai) /* Only firmware versions 5.30.17 or better can do WPA */ if ((cap_rid.softVer > 0x530) || ((cap_rid.softVer == 0x530) && (cap_rid.softSubVer >= 17))) { - airo_print_info(name, "WPA is supported."); + airo_print_info("", "WPA is supported."); return 1; } /* No WPA support */ - airo_print_info(name, "WPA unsupported (only firmware versions 5.30.17" + airo_print_info("", "WPA unsupported (only firmware versions 5.30.17" " and greater support WPA. Detected %s)", cap_rid.prodVer); return 0; } @@ -2797,23 +2823,19 @@ static struct net_device *_init_airo_card( unsigned short irq, int port, int i, rc; /* Create the network device object. */ - dev = alloc_etherdev(sizeof(*ai)); - if (!dev) { + dev = alloc_netdev(sizeof(*ai), "", ether_setup); + if (!dev) { airo_print_err("", "Couldn't alloc_etherdev"); return NULL; - } - if (dev_alloc_name(dev, dev->name) < 0) { - airo_print_err("", "Couldn't get name!"); - goto err_out_free; } ai = dev->priv; ai->wifidev = NULL; - ai->flags = 0; + ai->flags = 1 << FLAG_RADIO_DOWN; ai->jobs = 0; ai->dev = dev; if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) { - airo_print_dbg(dev->name, "Found an MPI350 card"); + airo_print_dbg("", "Found an MPI350 card"); set_bit(FLAG_MPI, &ai->flags); } spin_lock_init(&ai->aux_lock); @@ -2821,14 +2843,11 @@ static struct net_device *_init_airo_card( unsigned short irq, int port, ai->config.len = 0; ai->pci = pci; init_waitqueue_head (&ai->thr_wait); - ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name); - if (IS_ERR(ai->airo_thread_task)) - goto err_out_free; ai->tfm = NULL; add_airo_dev(ai); if (airo_networks_allocate (ai)) - goto err_out_thr; + goto err_out_free; airo_networks_initialize (ai); /* The Airo-specific entries in the device structure. */ @@ -2851,27 +2870,22 @@ static struct net_device *_init_airo_card( unsigned short irq, int port, dev->base_addr = port; SET_NETDEV_DEV(dev, dmdev); + SET_MODULE_OWNER(dev); reset_card (dev, 1); msleep(400); - rc = request_irq( dev->irq, airo_interrupt, IRQF_SHARED, dev->name, dev ); - if (rc) { - airo_print_err(dev->name, "register interrupt %d failed, rc %d", - irq, rc); - goto err_out_nets; - } if (!is_pcmcia) { - if (!request_region( dev->base_addr, 64, dev->name )) { + if (!request_region(dev->base_addr, 64, DRV_NAME)) { rc = -EBUSY; airo_print_err(dev->name, "Couldn't request region"); - goto err_out_irq; + goto err_out_nets; } } if (test_bit(FLAG_MPI,&ai->flags)) { - if (mpi_map_card(ai, pci, dev->name)) { - airo_print_err(dev->name, "Could not map memory"); + if (mpi_map_card(ai, pci)) { + airo_print_err("", "Could not map memory"); goto err_out_res; } } @@ -2899,6 +2913,7 @@ static struct net_device *_init_airo_card( unsigned short irq, int port, ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra); } + strcpy(dev->name, "eth%d"); rc = register_netdev(dev); if (rc) { airo_print_err(dev->name, "Couldn't register_netdev"); @@ -2921,8 +2936,6 @@ static struct net_device *_init_airo_card( unsigned short irq, int port, if (setup_proc_entry(dev, dev->priv) < 0) goto err_out_wifi; - netif_start_queue(dev); - SET_MODULE_OWNER(dev); return dev; err_out_wifi: @@ -2940,14 +2953,9 @@ err_out_map: err_out_res: if (!is_pcmcia) release_region( dev->base_addr, 64 ); -err_out_irq: - free_irq(dev->irq, dev); err_out_nets: airo_networks_free(ai); -err_out_thr: del_airo_dev(ai); - set_bit(JOB_DIE, &ai->jobs); - kthread_stop(ai->airo_thread_task); err_out_free: free_netdev(dev); return NULL; @@ -3529,9 +3537,11 @@ static u16 IN4500( struct airo_info *ai, u16 reg ) { return rc; } -static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock ) { +static int enable_MAC(struct airo_info *ai, int lock) +{ int rc; - Cmd cmd; + Cmd cmd; + Resp rsp; /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down" @@ -3547,7 +3557,7 @@ static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock ) { if (!test_bit(FLAG_ENABLED, &ai->flags)) { memset(&cmd, 0, sizeof(cmd)); cmd.cmd = MAC_ENABLE; - rc = issuecommand(ai, &cmd, rsp); + rc = issuecommand(ai, &cmd, &rsp); if (rc == SUCCESS) set_bit(FLAG_ENABLED, &ai->flags); } else @@ -3557,8 +3567,12 @@ static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock ) { up(&ai->sem); if (rc) - airo_print_err(ai->dev->name, "%s: Cannot enable MAC, err=%d", - __FUNCTION__, rc); + airo_print_err(ai->dev->name, "Cannot enable MAC"); + else if ((rsp.status & 0xFF00) != 0) { + airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, " + "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2); + rc = ERROR; + } return rc; } @@ -3902,12 +3916,9 @@ static u16 setup_card(struct airo_info *ai, u8 *mac, int lock) if ( status != SUCCESS ) return ERROR; } - status = enable_MAC(ai, &rsp, lock); - if ( status != SUCCESS || (rsp.status & 0xFF00) != 0) { - airo_print_err(ai->dev->name, "Bad MAC enable reason = %x, rid = %x," - " offset = %d", rsp.rsp0, rsp.rsp1, rsp.rsp2 ); + status = enable_MAC(ai, lock); + if (status != SUCCESS) return ERROR; - } /* Grab the initial wep key, we gotta save it for auto_wep */ rc = readWepKeyRid(ai, &wkr, 1, lock); @@ -3919,10 +3930,7 @@ static u16 setup_card(struct airo_info *ai, u8 *mac, int lock) rc = readWepKeyRid(ai, &wkr, 0, lock); } while(lastindex != wkr.kindex); - if (auto_wep) { - ai->expires = RUN_AT(3*HZ); - wake_up_interruptible(&ai->thr_wait); - } + try_auto_wep(ai); return SUCCESS; } @@ -4004,7 +4012,7 @@ static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap ) } if ( !(max_tries--) ) { airo_print_err(ai->dev->name, - "airo: BAP setup error too many retries\n"); + "BAP setup error too many retries\n"); return ERROR; } // -- PC4500 missed it, try again @@ -5152,7 +5160,6 @@ static void proc_SSID_on_close( struct inode *inode, struct file *file ) { struct net_device *dev = dp->data; struct airo_info *ai = dev->priv; SsidRid SSID_rid; - Resp rsp; int i; int offset = 0; @@ -5177,7 +5184,7 @@ static void proc_SSID_on_close( struct inode *inode, struct file *file ) { SSID_rid.len = sizeof(SSID_rid); disable_MAC(ai, 1); writeSsidRid(ai, &SSID_rid, 1); - enable_MAC(ai, &rsp, 1); + enable_MAC(ai, 1); } static inline u8 hexVal(char c) { @@ -5193,7 +5200,6 @@ static void proc_APList_on_close( struct inode *inode, struct file *file ) { struct net_device *dev = dp->data; struct airo_info *ai = dev->priv; APListRid APList_rid; - Resp rsp; int i; if ( !data->writelen ) return; @@ -5218,18 +5224,17 @@ static void proc_APList_on_close( struct inode *inode, struct file *file ) { } disable_MAC(ai, 1); writeAPListRid(ai, &APList_rid, 1); - enable_MAC(ai, &rsp, 1); + enable_MAC(ai, 1); } /* This function wraps PC4500_writerid with a MAC disable */ static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data, int len, int dummy ) { int rc; - Resp rsp; disable_MAC(ai, 1); rc = PC4500_writerid(ai, rid, rid_data, len, 1); - enable_MAC(ai, &rsp, 1); + enable_MAC(ai, 1); return rc; } @@ -5260,7 +5265,6 @@ static int set_wep_key(struct airo_info *ai, u16 index, const char *key, u16 keylen, int perm, int lock ) { static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 }; WepKeyRid wkr; - Resp rsp; memset(&wkr, 0, sizeof(wkr)); if (keylen == 0) { @@ -5280,7 +5284,7 @@ static int set_wep_key(struct airo_info *ai, u16 index, if (perm) disable_MAC(ai, lock); writeWepKeyRid(ai, &wkr, perm, lock); - if (perm) enable_MAC(ai, &rsp, lock); + if (perm) enable_MAC(ai, lock); return 0; } @@ -5548,7 +5552,6 @@ static int proc_close( struct inode *inode, struct file *file ) changed. */ static void timer_func( struct net_device *dev ) { struct airo_info *apriv = dev->priv; - Resp rsp; /* We don't have a link so try changing the authtype */ readConfigRid(apriv, 0); @@ -5575,7 +5578,7 @@ static void timer_func( struct net_device *dev ) { } set_bit (FLAG_COMMIT, &apriv->flags); writeConfigRid(apriv, 0); - enable_MAC(apriv, &rsp, 0); + enable_MAC(apriv, 0); up(&apriv->sem); /* Schedule check to see if the change worked */ @@ -5597,8 +5600,10 @@ static int __devinit airo_pci_probe(struct pci_dev *pdev, dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev); else dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev); - if (!dev) + if (!dev) { + pci_disable_device(pdev); return -ENODEV; + } pci_set_drvdata(pdev, dev); return 0; @@ -5610,6 +5615,8 @@ static void __devexit airo_pci_remove(struct pci_dev *pdev) airo_print_info(dev->name, "Unregistering..."); stop_airo_card(dev, 1); + pci_disable_device(pdev); + pci_set_drvdata(pdev, NULL); } static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state) @@ -5646,7 +5653,6 @@ static int airo_pci_resume(struct pci_dev *pdev) { struct net_device *dev = pci_get_drvdata(pdev); struct airo_info *ai = dev->priv; - Resp rsp; pci_power_t prev_state = pdev->current_state; pci_set_power_state(pdev, PCI_D0); @@ -5679,7 +5685,7 @@ static int airo_pci_resume(struct pci_dev *pdev) ai->APList = NULL; } writeConfigRid(ai, 0); - enable_MAC(ai, &rsp, 0); + enable_MAC(ai, 0); ai->power = PMSG_ON; netif_device_attach(dev); netif_wake_queue(dev); @@ -5903,7 +5909,6 @@ static int airo_set_essid(struct net_device *dev, char *extra) { struct airo_info *local = dev->priv; - Resp rsp; SsidRid SSID_rid; /* SSIDs */ /* Reload the list of current SSID */ @@ -5935,7 +5940,7 @@ static int airo_set_essid(struct net_device *dev, /* Write it to the card */ disable_MAC(local, 1); writeSsidRid(local, &SSID_rid, 1); - enable_MAC(local, &rsp, 1); + enable_MAC(local, 1); return 0; } @@ -6000,7 +6005,7 @@ static int airo_set_wap(struct net_device *dev, memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN); disable_MAC(local, 1); writeAPListRid(local, &APList_rid, 1); - enable_MAC(local, &rsp, 1); + enable_MAC(local, 1); } return 0; } @@ -7454,7 +7459,6 @@ static int airo_config_commit(struct net_device *dev, char *extra) /* NULL */ { struct airo_info *local = dev->priv; - Resp rsp; if (!test_bit (FLAG_COMMIT, &local->flags)) return 0; @@ -7479,7 +7483,7 @@ static int airo_config_commit(struct net_device *dev, if (down_interruptible(&local->sem)) return -ERESTARTSYS; writeConfigRid(local, 0); - enable_MAC(local, &rsp, 0); + enable_MAC(local, 0); if (test_bit (FLAG_RESET, &local->flags)) airo_set_promisc(local); else @@ -7746,7 +7750,6 @@ static int readrids(struct net_device *dev, aironet_ioctl *comp) { unsigned char *iobuf; int len; struct airo_info *ai = dev->priv; - Resp rsp; if (test_bit(FLAG_FLASHING, &ai->flags)) return -EIO; @@ -7758,7 +7761,7 @@ static int readrids(struct net_device *dev, aironet_ioctl *comp) { if (test_bit(FLAG_COMMIT, &ai->flags)) { disable_MAC (ai, 1); writeConfigRid (ai, 1); - enable_MAC (ai, &rsp, 1); + enable_MAC(ai, 1); } break; case AIROGSLIST: ridcode = RID_SSID; break; @@ -7815,7 +7818,6 @@ static int writerids(struct net_device *dev, aironet_ioctl *comp) { struct airo_info *ai = dev->priv; int ridcode; int enabled; - Resp rsp; static int (* writer)(struct airo_info *, u16 rid, const void *, int, int); unsigned char *iobuf; @@ -7849,7 +7851,7 @@ static int writerids(struct net_device *dev, aironet_ioctl *comp) { * same with MAC off */ case AIROPMACON: - if (enable_MAC(ai, &rsp, 1) != 0) + if (enable_MAC(ai, 1) != 0) return -EIO; return 0; diff --git a/drivers/net/wireless/ipw2100.c b/drivers/net/wireless/ipw2100.c index d51daf87450..072ede71e57 100644 --- a/drivers/net/wireless/ipw2100.c +++ b/drivers/net/wireless/ipw2100.c @@ -1768,7 +1768,8 @@ static int ipw2100_up(struct ipw2100_priv *priv, int deferred) if (priv->stop_rf_kill) { priv->stop_rf_kill = 0; - queue_delayed_work(priv->workqueue, &priv->rf_kill, HZ); + queue_delayed_work(priv->workqueue, &priv->rf_kill, + round_jiffies(HZ)); } deferred = 1; @@ -2098,7 +2099,7 @@ static void isr_indicate_rf_kill(struct ipw2100_priv *priv, u32 status) /* Make sure the RF Kill check timer is running */ priv->stop_rf_kill = 0; cancel_delayed_work(&priv->rf_kill); - queue_delayed_work(priv->workqueue, &priv->rf_kill, HZ); + queue_delayed_work(priv->workqueue, &priv->rf_kill, round_jiffies(HZ)); } static void isr_scan_complete(struct ipw2100_priv *priv, u32 status) @@ -4233,7 +4234,8 @@ static int ipw_radio_kill_sw(struct ipw2100_priv *priv, int disable_radio) /* Make sure the RF_KILL check timer is running */ priv->stop_rf_kill = 0; cancel_delayed_work(&priv->rf_kill); - queue_delayed_work(priv->workqueue, &priv->rf_kill, HZ); + queue_delayed_work(priv->workqueue, &priv->rf_kill, + round_jiffies(HZ)); } else schedule_reset(priv); } @@ -5969,7 +5971,8 @@ static void ipw2100_rf_kill(struct work_struct *work) if (rf_kill_active(priv)) { IPW_DEBUG_RF_KILL("RF Kill active, rescheduling GPIO check\n"); if (!priv->stop_rf_kill) - queue_delayed_work(priv->workqueue, &priv->rf_kill, HZ); + queue_delayed_work(priv->workqueue, &priv->rf_kill, + round_jiffies(HZ)); goto exit_unlock; } diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c index 7cb2052a55a..aa32a97380e 100644 --- a/drivers/net/wireless/ipw2200.c +++ b/drivers/net/wireless/ipw2200.c @@ -1751,7 +1751,7 @@ static int ipw_radio_kill_sw(struct ipw_priv *priv, int disable_radio) /* Make sure the RF_KILL check timer is running */ cancel_delayed_work(&priv->rf_kill); queue_delayed_work(priv->workqueue, &priv->rf_kill, - 2 * HZ); + round_jiffies(2 * HZ)); } else queue_work(priv->workqueue, &priv->up); } @@ -4690,7 +4690,8 @@ static void ipw_rx_notification(struct ipw_priv *priv, else if (priv->config & CFG_BACKGROUND_SCAN && priv->status & STATUS_ASSOCIATED) queue_delayed_work(priv->workqueue, - &priv->request_scan, HZ); + &priv->request_scan, + round_jiffies(HZ)); /* Send an empty event to user space. * We don't send the received data on the event because diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c index 13f6528abb0..4a8f5dc7023 100644 --- a/drivers/net/wireless/libertas/cmd.c +++ b/drivers/net/wireless/libertas/cmd.c @@ -240,7 +240,7 @@ static int wlan_cmd_802_11_enable_rsn(wlan_private * priv, if (*enable) penableRSN->enable = cpu_to_le16(cmd_enable_rsn); else - penableRSN->enable = cpu_to_le16(cmd_enable_rsn); + penableRSN->enable = cpu_to_le16(cmd_disable_rsn); } lbs_deb_leave(LBS_DEB_CMD); diff --git a/drivers/net/wireless/libertas/rx.c b/drivers/net/wireless/libertas/rx.c index 88d9d2d787d..769c86fb950 100644 --- a/drivers/net/wireless/libertas/rx.c +++ b/drivers/net/wireless/libertas/rx.c @@ -439,7 +439,6 @@ static int process_rxed_802_11_packet(wlan_private * priv, struct sk_buff *skb) ret = 0; done: - skb->protocol = __constant_htons(0x0019); /* ETH_P_80211_RAW */ lbs_deb_leave_args(LBS_DEB_RX, "ret %d", ret); return ret; } diff --git a/drivers/net/wireless/libertas/version.h b/drivers/net/wireless/libertas/version.h deleted file mode 100644 index 8b137891791..00000000000 --- a/drivers/net/wireless/libertas/version.h +++ /dev/null @@ -1 +0,0 @@ - diff --git a/drivers/net/wireless/libertas/wext.c b/drivers/net/wireless/libertas/wext.c index f42b796b5e4..2fcc3bf2108 100644 --- a/drivers/net/wireless/libertas/wext.c +++ b/drivers/net/wireless/libertas/wext.c @@ -1719,9 +1719,6 @@ static int wlan_set_encodeext(struct net_device *dev, pkey->type = KEY_TYPE_ID_TKIP; } else if (alg == IW_ENCODE_ALG_CCMP) { pkey->type = KEY_TYPE_ID_AES; - } else { - ret = -EINVAL; - goto out; } /* If WPA isn't enabled yet, do that now */ diff --git a/drivers/net/wireless/prism54/isl_ioctl.c b/drivers/net/wireless/prism54/isl_ioctl.c index 283be4a7052..585f5996d29 100644 --- a/drivers/net/wireless/prism54/isl_ioctl.c +++ b/drivers/net/wireless/prism54/isl_ioctl.c @@ -1853,7 +1853,6 @@ prism54_del_mac(struct net_device *ndev, struct iw_request_info *info, islpci_private *priv = netdev_priv(ndev); struct islpci_acl *acl = &priv->acl; struct mac_entry *entry; - struct list_head *ptr; struct sockaddr *addr = (struct sockaddr *) extra; if (addr->sa_family != ARPHRD_ETHER) @@ -1861,11 +1860,9 @@ prism54_del_mac(struct net_device *ndev, struct iw_request_info *info, if (down_interruptible(&acl->sem)) return -ERESTARTSYS; - for (ptr = acl->mac_list.next; ptr != &acl->mac_list; ptr = ptr->next) { - entry = list_entry(ptr, struct mac_entry, _list); - + list_for_each_entry(entry, &acl->mac_list, _list) { if (memcmp(entry->addr, addr->sa_data, ETH_ALEN) == 0) { - list_del(ptr); + list_del(&entry->_list); acl->size--; kfree(entry); up(&acl->sem); @@ -1883,7 +1880,6 @@ prism54_get_mac(struct net_device *ndev, struct iw_request_info *info, islpci_private *priv = netdev_priv(ndev); struct islpci_acl *acl = &priv->acl; struct mac_entry *entry; - struct list_head *ptr; struct sockaddr *dst = (struct sockaddr *) extra; dwrq->length = 0; @@ -1891,9 +1887,7 @@ prism54_get_mac(struct net_device *ndev, struct iw_request_info *info, if (down_interruptible(&acl->sem)) return -ERESTARTSYS; - for (ptr = acl->mac_list.next; ptr != &acl->mac_list; ptr = ptr->next) { - entry = list_entry(ptr, struct mac_entry, _list); - + list_for_each_entry(entry, &acl->mac_list, _list) { memcpy(dst->sa_data, entry->addr, ETH_ALEN); dst->sa_family = ARPHRD_ETHER; dwrq->length++; @@ -1960,7 +1954,6 @@ prism54_get_policy(struct net_device *ndev, struct iw_request_info *info, static int prism54_mac_accept(struct islpci_acl *acl, char *mac) { - struct list_head *ptr; struct mac_entry *entry; int res = 0; @@ -1972,8 +1965,7 @@ prism54_mac_accept(struct islpci_acl *acl, char *mac) return 1; } - for (ptr = acl->mac_list.next; ptr != &acl->mac_list; ptr = ptr->next) { - entry = list_entry(ptr, struct mac_entry, _list); + list_for_each_entry(entry, &acl->mac_list, _list) { if (memcmp(entry->addr, mac, ETH_ALEN) == 0) { res = 1; break; @@ -2216,11 +2208,9 @@ prism54_wpa_bss_ie_init(islpci_private *priv) void prism54_wpa_bss_ie_clean(islpci_private *priv) { - struct list_head *ptr, *n; + struct islpci_bss_wpa_ie *bss, *n; - list_for_each_safe(ptr, n, &priv->bss_wpa_list) { - struct islpci_bss_wpa_ie *bss; - bss = list_entry(ptr, struct islpci_bss_wpa_ie, list); + list_for_each_entry_safe(bss, n, &priv->bss_wpa_list, list) { kfree(bss); } } diff --git a/drivers/net/wireless/rtl8187_rtl8225.c b/drivers/net/wireless/rtl8187_rtl8225.c index e25a09f1b06..efc41207780 100644 --- a/drivers/net/wireless/rtl8187_rtl8225.c +++ b/drivers/net/wireless/rtl8187_rtl8225.c @@ -67,7 +67,7 @@ static void rtl8225_write_bitbang(struct ieee80211_hw *dev, u8 addr, u16 data) msleep(2); } -static void rtl8225_write_8051(struct ieee80211_hw *dev, u8 addr, u16 data) +static void rtl8225_write_8051(struct ieee80211_hw *dev, u8 addr, __le16 data) { struct rtl8187_priv *priv = dev->priv; u16 reg80, reg82, reg84; @@ -106,7 +106,7 @@ void rtl8225_write(struct ieee80211_hw *dev, u8 addr, u16 data) struct rtl8187_priv *priv = dev->priv; if (priv->asic_rev) - rtl8225_write_8051(dev, addr, data); + rtl8225_write_8051(dev, addr, cpu_to_le16(data)); else rtl8225_write_bitbang(dev, addr, data); } diff --git a/drivers/net/wireless/zd1211rw/zd_chip.c b/drivers/net/wireless/zd1211rw/zd_chip.c index 5b624bfc01a..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; @@ -1259,7 +1201,7 @@ static int update_channel_integration_and_calibration(struct zd_chip *chip, 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 }, {}, diff --git a/drivers/net/wireless/zd1211rw/zd_chip.h b/drivers/net/wireless/zd1211rw/zd_chip.h index 79d0288c193..f4698576ab7 100644 --- a/drivers/net/wireless/zd1211rw/zd_chip.h +++ b/drivers/net/wireless/zd1211rw/zd_chip.h @@ -704,7 +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 */ @@ -715,7 +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) @@ -734,9 +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) @@ -825,8 +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 7407409b60b..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", @@ -77,6 +77,7 @@ int zd_rf_init_hw(struct zd_rf *rf, u8 type) r = zd_rf_init_rf2959(rf); break; case AL2230_RF: + case AL2230S_RF: r = zd_rf_init_al2230(rf); break; case AL7230B_RF: diff --git a/drivers/net/wireless/zd1211rw/zd_rf.h b/drivers/net/wireless/zd1211rw/zd_rf.h index c6dfd8227f6..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 diff --git a/drivers/net/wireless/zd1211rw/zd_rf_al2230.c b/drivers/net/wireless/zd1211rw/zd_rf_al2230.c index e7a4ecf7b6e..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; diff --git a/drivers/net/wireless/zd1211rw/zd_rf_al7230b.c b/drivers/net/wireless/zd1211rw/zd_rf_al7230b.c index f4e8b6ada85..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; 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 index 414e40d571a..857dcf3eae6 100644 --- a/drivers/net/wireless/zd1211rw/zd_rf_uw2453.c +++ b/drivers/net/wireless/zd1211rw/zd_rf_uw2453.c @@ -486,7 +486,7 @@ static int uw2453_switch_radio_on(struct zd_rf *rf) if (r) return r; - if (chip->is_zd1211b) + if (zd_chip_is_zd1211b(chip)) ioreqs[1].value = 0x7f; return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs)); diff --git a/drivers/net/wireless/zd1211rw/zd_usb.c b/drivers/net/wireless/zd1211rw/zd_usb.c index ca24299a26c..28d41a29d7b 100644 --- a/drivers/net/wireless/zd1211rw/zd_usb.c +++ b/drivers/net/wireless/zd1211rw/zd_usb.c @@ -71,6 +71,7 @@ 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 }, /* "Driverless" devices that need ejecting */ { USB_DEVICE(0x0ace, 0x2011), .driver_info = DEVICE_INSTALLER }, { USB_DEVICE(0x0ace, 0x20ff), .driver_info = DEVICE_INSTALLER }, @@ -195,26 +196,27 @@ 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; @@ -237,11 +239,12 @@ 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]; @@ -249,7 +252,7 @@ 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; @@ -264,7 +267,7 @@ 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 { @@ -275,7 +278,7 @@ 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; @@ -294,6 +297,30 @@ 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) @@ -920,9 +947,42 @@ 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; @@ -950,26 +1010,10 @@ 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 */ diff --git a/drivers/pci/hotplug/rpadlpar_core.c b/drivers/pci/hotplug/rpadlpar_core.c index bb3c101c2c5..deb6b5e35fe 100644 --- a/drivers/pci/hotplug/rpadlpar_core.c +++ b/drivers/pci/hotplug/rpadlpar_core.c @@ -159,8 +159,8 @@ static void dlpar_pci_add_bus(struct device_node *dn) /* Claim new bus resources */ pcibios_claim_one_bus(dev->bus); - /* ioremap() for child bus, which may or may not succeed */ - remap_bus_range(dev->subordinate); + /* Map IO space for child bus, which may or may not succeed */ + pcibios_map_io_space(dev->subordinate); /* Add new devices to global lists. Register in proc, sysfs. */ pci_bus_add_devices(phb->bus); @@ -390,7 +390,7 @@ int dlpar_remove_pci_slot(char *drc_name, struct device_node *dn) } else pcibios_remove_pci_devices(bus); - if (unmap_bus_range(bus)) { + if (pcibios_unmap_io_space(bus)) { printk(KERN_ERR "%s: failed to unmap bus range\n", __FUNCTION__); return -ERANGE; diff --git a/drivers/pcmcia/Kconfig b/drivers/pcmcia/Kconfig index 35f88649d3b..c0c77f82d05 100644 --- a/drivers/pcmcia/Kconfig +++ b/drivers/pcmcia/Kconfig @@ -180,14 +180,15 @@ config TCIC PCMCIA cards are plugged into. If unsure, say N. config PCMCIA_M8XX - tristate "MPC8xx PCMCIA support" - depends on PCMCIA && PPC && 8xx - select PCCARD_IODYN - help - Say Y here to include support for PowerPC 8xx series PCMCIA - controller. - - This driver is also available as a module called m8xx_pcmcia. + tristate "MPC8xx PCMCIA support" + depends on PCMCIA && PPC && 8xx + select PCCARD_IODYN + select PCCARD_NONSTATIC + help + Say Y here to include support for PowerPC 8xx series PCMCIA + controller. + + This driver is also available as a module called m8xx_pcmcia. config HD64465_PCMCIA tristate "HD64465 host bridge support" diff --git a/drivers/pcmcia/m8xx_pcmcia.c b/drivers/pcmcia/m8xx_pcmcia.c index 9721ed7bf50..3b40f9623cc 100644 --- a/drivers/pcmcia/m8xx_pcmcia.c +++ b/drivers/pcmcia/m8xx_pcmcia.c @@ -10,7 +10,7 @@ * Further fixes, v2.6 kernel port * <marcelo.tosatti@cyclades.com> * - * Some fixes, additions (C) 2005 Montavista Software, Inc. + * Some fixes, additions (C) 2005-2007 Montavista Software, Inc. * <vbordug@ru.mvista.com> * * "The ExCA standard specifies that socket controllers should provide @@ -40,10 +40,6 @@ #include <linux/fcntl.h> #include <linux/string.h> -#include <asm/io.h> -#include <asm/bitops.h> -#include <asm/system.h> - #include <linux/kernel.h> #include <linux/errno.h> #include <linux/slab.h> @@ -51,11 +47,18 @@ #include <linux/ioport.h> #include <linux/delay.h> #include <linux/interrupt.h> -#include <linux/platform_device.h> +#include <linux/fsl_devices.h> +#include <asm/io.h> +#include <asm/bitops.h> +#include <asm/system.h> +#include <asm/time.h> #include <asm/mpc8xx.h> #include <asm/8xx_immap.h> #include <asm/irq.h> +#include <asm/fs_pd.h> +#include <asm/of_device.h> +#include <asm/of_platform.h> #include <pcmcia/version.h> #include <pcmcia/cs_types.h> @@ -146,27 +149,17 @@ MODULE_LICENSE("Dual MPL/GPL"); #define PCMCIA_MEM_WIN_BASE 0xe0000000 /* base address for memory window 0 */ #define PCMCIA_MEM_WIN_SIZE 0x04000000 /* each memory window is 64 MByte */ #define PCMCIA_IO_WIN_BASE _IO_BASE /* base address for io window 0 */ - -#define PCMCIA_SCHLVL PCMCIA_INTERRUPT /* Status Change Interrupt Level */ - /* ------------------------------------------------------------------------- */ -/* 2.4.x and newer has this always in HZ */ -#define M8XX_BUSFREQ ((((bd_t *)&(__res))->bi_busfreq)) - -static int pcmcia_schlvl = PCMCIA_SCHLVL; +static int pcmcia_schlvl; static DEFINE_SPINLOCK(events_lock); - #define PCMCIA_SOCKET_KEY_5V 1 #define PCMCIA_SOCKET_KEY_LV 2 /* look up table for pgcrx registers */ -static u32 *m8xx_pgcrx[2] = { - &((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_pgcra, - &((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_pgcrb -}; +static u32 *m8xx_pgcrx[2]; /* * This structure is used to address each window in the PCMCIA controller. @@ -228,11 +221,16 @@ struct event_table { u32 eventbit; }; +static const char driver_name[] = "m8xx-pcmcia"; + struct socket_info { void (*handler)(void *info, u32 events); void *info; u32 slot; + pcmconf8xx_t *pcmcia; + u32 bus_freq; + int hwirq; socket_state_t state; struct pccard_mem_map mem_win[PCMCIA_MEM_WIN_NO]; @@ -408,78 +406,21 @@ static void hardware_disable(int slot) #if defined(CONFIG_MPC885ADS) #define PCMCIA_BOARD_MSG "MPC885ADS" +#define socket_get(_slot_) PCMCIA_SOCKET_KEY_5V -static int voltage_set(int slot, int vcc, int vpp) +static inline void hardware_enable(int slot) { - u32 reg = 0; - unsigned *bcsr_io; - - bcsr_io = ioremap(BCSR1, sizeof(unsigned long)); - - switch(vcc) { - case 0: - break; - case 33: - reg |= BCSR1_PCCVCC0; - break; - case 50: - reg |= BCSR1_PCCVCC1; - break; - default: - goto out_unmap; - } - - switch(vpp) { - case 0: - break; - case 33: - case 50: - if(vcc == vpp) - reg |= BCSR1_PCCVPP1; - else - goto out_unmap; - break; - case 120: - if ((vcc == 33) || (vcc == 50)) - reg |= BCSR1_PCCVPP0; - else - goto out_unmap; - default: - goto out_unmap; - } - - /* first, turn off all power */ - out_be32(bcsr_io, in_be32(bcsr_io) & ~(BCSR1_PCCVCC_MASK | BCSR1_PCCVPP_MASK)); - - /* enable new powersettings */ - out_be32(bcsr_io, in_be32(bcsr_io) | reg); - - iounmap(bcsr_io); - return 0; - -out_unmap: - iounmap(bcsr_io); - return 1; + m8xx_pcmcia_ops.hw_ctrl(slot, 1); } -#define socket_get(_slot_) PCMCIA_SOCKET_KEY_5V - -static void hardware_enable(int slot) +static inline void hardware_disable(int slot) { - unsigned *bcsr_io; - - bcsr_io = ioremap(BCSR1, sizeof(unsigned long)); - out_be32(bcsr_io, in_be32(bcsr_io) & ~BCSR1_PCCEN); - iounmap(bcsr_io); + m8xx_pcmcia_ops.hw_ctrl(slot, 0); } -static void hardware_disable(int slot) +static inline int voltage_set(int slot, int vcc, int vpp) { - unsigned *bcsr_io; - - bcsr_io = ioremap(BCSR1, sizeof(unsigned long)); - out_be32(bcsr_io, in_be32(bcsr_io) | BCSR1_PCCEN); - iounmap(bcsr_io); + return m8xx_pcmcia_ops.voltage_set(slot, vcc, vpp); } #endif @@ -604,48 +545,6 @@ static int voltage_set(int slot, int vcc, int vpp) #endif /* CONFIG_PRxK */ -static void m8xx_shutdown(void) -{ - u32 m, i; - struct pcmcia_win *w; - - for(i = 0; i < PCMCIA_SOCKETS_NO; i++){ - w = (void *) &((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_pbr0; - - out_be32(&((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_pscr, M8XX_PCMCIA_MASK(i)); - out_be32(&((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_per, in_be32(&((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_per) & ~M8XX_PCMCIA_MASK(i)); - - /* turn off interrupt and disable CxOE */ - out_be32(M8XX_PGCRX(i), M8XX_PGCRX_CXOE); - - /* turn off memory windows */ - for(m = 0; m < PCMCIA_MEM_WIN_NO; m++) { - out_be32(&w->or, 0); /* set to not valid */ - w++; - } - - /* turn off voltage */ - voltage_set(i, 0, 0); - - /* disable external hardware */ - hardware_disable(i); - } - - free_irq(pcmcia_schlvl, NULL); -} - -static struct device_driver m8xx_driver = { - .name = "m8xx-pcmcia", - .bus = &platform_bus_type, - .suspend = pcmcia_socket_dev_suspend, - .resume = pcmcia_socket_dev_resume, -}; - -static struct platform_device m8xx_device = { - .name = "m8xx-pcmcia", - .id = 0, -}; - static u32 pending_events[PCMCIA_SOCKETS_NO]; static DEFINE_SPINLOCK(pending_event_lock); @@ -654,13 +553,14 @@ static irqreturn_t m8xx_interrupt(int irq, void *dev) struct socket_info *s; struct event_table *e; unsigned int i, events, pscr, pipr, per; + pcmconf8xx_t *pcmcia = socket[0].pcmcia; dprintk("Interrupt!\n"); /* get interrupt sources */ - pscr = in_be32(&((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_pscr); - pipr = in_be32(&((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_pipr); - per = in_be32(&((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_per); + pscr = in_be32(&pcmcia->pcmc_pscr); + pipr = in_be32(&pcmcia->pcmc_pipr); + per = in_be32(&pcmcia->pcmc_per); for(i = 0; i < PCMCIA_SOCKETS_NO; i++) { s = &socket[i]; @@ -724,7 +624,7 @@ static irqreturn_t m8xx_interrupt(int irq, void *dev) per &= ~M8XX_PCMCIA_RDY_L(0); per &= ~M8XX_PCMCIA_RDY_L(1); - out_be32(&((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_per, per); + out_be32(&pcmcia->pcmc_per, per); if (events) pcmcia_parse_events(&socket[i].socket, events); @@ -732,7 +632,7 @@ static irqreturn_t m8xx_interrupt(int irq, void *dev) } /* clear the interrupt sources */ - out_be32(&((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_pscr, pscr); + out_be32(&pcmcia->pcmc_pscr, pscr); dprintk("Interrupt done.\n"); @@ -753,7 +653,7 @@ static u32 m8xx_get_graycode(u32 size) return k; } -static u32 m8xx_get_speed(u32 ns, u32 is_io) +static u32 m8xx_get_speed(u32 ns, u32 is_io, u32 bus_freq) { u32 reg, clocks, psst, psl, psht; @@ -781,7 +681,7 @@ static u32 m8xx_get_speed(u32 ns, u32 is_io) #define ADJ 180 /* 80 % longer accesstime - to be sure */ - clocks = ((M8XX_BUSFREQ / 1000) * ns) / 1000; + clocks = ((bus_freq / 1000) * ns) / 1000; clocks = (clocks * ADJ) / (100*1000); if(clocks >= PCMCIA_BMT_LIMIT) { printk( "Max access time limit reached\n"); @@ -806,8 +706,9 @@ static int m8xx_get_status(struct pcmcia_socket *sock, unsigned int *value) int lsock = container_of(sock, struct socket_info, socket)->slot; struct socket_info *s = &socket[lsock]; unsigned int pipr, reg; + pcmconf8xx_t *pcmcia = s->pcmcia; - pipr = in_be32(&((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_pipr); + pipr = in_be32(&pcmcia->pcmc_pipr); *value = ((pipr & (M8XX_PCMCIA_CD1(lsock) | M8XX_PCMCIA_CD2(lsock))) == 0) ? SS_DETECT : 0; @@ -918,6 +819,7 @@ static int m8xx_set_socket(struct pcmcia_socket *sock, socket_state_t *state) struct event_table *e; unsigned int reg; unsigned long flags; + pcmconf8xx_t *pcmcia = socket[0].pcmcia; dprintk( "SetSocket(%d, flags %#3.3x, Vcc %d, Vpp %d, " "io_irq %d, csc_mask %#2.2x)\n", lsock, state->flags, @@ -927,6 +829,7 @@ static int m8xx_set_socket(struct pcmcia_socket *sock, socket_state_t *state) if(voltage_set(lsock, state->Vcc, state->Vpp)) return -EINVAL; + /* Take care of reset... */ if(state->flags & SS_RESET) out_be32(M8XX_PGCRX(lsock), in_be32(M8XX_PGCRX(lsock)) | M8XX_PGCRX_CXRESET); /* active high */ @@ -982,7 +885,8 @@ static int m8xx_set_socket(struct pcmcia_socket *sock, socket_state_t *state) * If io_irq is non-zero we should enable irq. */ if(state->io_irq) { - out_be32(M8XX_PGCRX(lsock), in_be32(M8XX_PGCRX(lsock)) | mk_int_int_mask(state->io_irq) << 24); + out_be32(M8XX_PGCRX(lsock), + in_be32(M8XX_PGCRX(lsock)) | mk_int_int_mask(s->hwirq) << 24); /* * Strange thing here: * The manual does not tell us which interrupt @@ -1027,7 +931,7 @@ static int m8xx_set_socket(struct pcmcia_socket *sock, socket_state_t *state) * Writing ones will clear the bits. */ - out_be32(&((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_pscr, reg); + out_be32(&pcmcia->pcmc_pscr, reg); /* * Write the mask. @@ -1036,15 +940,8 @@ static int m8xx_set_socket(struct pcmcia_socket *sock, socket_state_t *state) * Ones will enable the interrupt. */ - /* - reg |= ((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_per - & M8XX_PCMCIA_MASK(lsock); - */ - - reg |= in_be32(&((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_per) & - (M8XX_PCMCIA_MASK(0) | M8XX_PCMCIA_MASK(1)); - - out_be32(&((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_per, reg); + reg |= in_be32(&pcmcia->pcmc_per) & (M8XX_PCMCIA_MASK(0) | M8XX_PCMCIA_MASK(1)); + out_be32(&pcmcia->pcmc_per, reg); spin_unlock_irqrestore(&events_lock, flags); @@ -1062,6 +959,8 @@ static int m8xx_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *io) struct socket_info *s = &socket[lsock]; struct pcmcia_win *w; unsigned int reg, winnr; + pcmconf8xx_t *pcmcia = s->pcmcia; + #define M8XX_SIZE (io->stop - io->start + 1) #define M8XX_BASE (PCMCIA_IO_WIN_BASE + io->start) @@ -1086,7 +985,7 @@ static int m8xx_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *io) /* setup registers */ - w = (void *) &((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_pbr0; + w = (void *) &pcmcia->pcmc_pbr0; w += winnr; out_be32(&w->or, 0); /* turn off window first */ @@ -1095,12 +994,13 @@ static int m8xx_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *io) reg <<= 27; reg |= M8XX_PCMCIA_POR_IO |(lsock << 2); - reg |= m8xx_get_speed(io->speed, 1); + reg |= m8xx_get_speed(io->speed, 1, s->bus_freq); if(io->flags & MAP_WRPROT) reg |= M8XX_PCMCIA_POR_WRPROT; - if(io->flags & (MAP_16BIT | MAP_AUTOSZ)) + /*if(io->flags & (MAP_16BIT | MAP_AUTOSZ))*/ + if(io->flags & MAP_16BIT) reg |= M8XX_PCMCIA_POR_16BIT; if(io->flags & MAP_ACTIVE) @@ -1117,7 +1017,7 @@ static int m8xx_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *io) /* setup registers */ - w = (void *) &((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_pbr0; + w = (void *) &pcmcia->pcmc_pbr0; w += winnr; out_be32(&w->or, 0); /* turn off window */ @@ -1144,6 +1044,7 @@ static int m8xx_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *m struct pcmcia_win *w; struct pccard_mem_map *old; unsigned int reg, winnr; + pcmconf8xx_t *pcmcia = s->pcmcia; dprintk( "SetMemMap(%d, %d, %#2.2x, %d ns, " "%#5.5lx, %#5.5x)\n", lsock, mem->map, mem->flags, @@ -1166,12 +1067,12 @@ static int m8xx_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *m /* Setup the window in the pcmcia controller */ - w = (void *) &((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_pbr0; + w = (void *) &pcmcia->pcmc_pbr0; w += winnr; reg |= lsock << 2; - reg |= m8xx_get_speed(mem->speed, 0); + reg |= m8xx_get_speed(mem->speed, 0, s->bus_freq); if(mem->flags & MAP_ATTRIB) reg |= M8XX_PCMCIA_POR_ATTRMEM; @@ -1236,60 +1137,69 @@ static int m8xx_sock_init(struct pcmcia_socket *sock) } -static int m8xx_suspend(struct pcmcia_socket *sock) +static int m8xx_sock_suspend(struct pcmcia_socket *sock) { return m8xx_set_socket(sock, &dead_socket); } static struct pccard_operations m8xx_services = { .init = m8xx_sock_init, - .suspend = m8xx_suspend, + .suspend = m8xx_sock_suspend, .get_status = m8xx_get_status, .set_socket = m8xx_set_socket, .set_io_map = m8xx_set_io_map, .set_mem_map = m8xx_set_mem_map, }; -static int __init m8xx_init(void) +static int __init m8xx_probe(struct of_device *ofdev, const struct of_device_id *match) { struct pcmcia_win *w; - unsigned int i,m; + unsigned int i, m, hwirq; + pcmconf8xx_t *pcmcia; + int status; + struct device_node *np = ofdev->node; pcmcia_info("%s\n", version); - if (driver_register(&m8xx_driver)) - return -1; + pcmcia = of_iomap(np, 0); + if(pcmcia == NULL) + return -EINVAL; + + pcmcia_schlvl = irq_of_parse_and_map(np, 0); + hwirq = irq_map[pcmcia_schlvl].hwirq; + if (pcmcia_schlvl < 0) + return -EINVAL; + + m8xx_pgcrx[0] = &pcmcia->pcmc_pgcra; + m8xx_pgcrx[1] = &pcmcia->pcmc_pgcrb; + pcmcia_info(PCMCIA_BOARD_MSG " using " PCMCIA_SLOT_MSG - " with IRQ %u.\n", pcmcia_schlvl); + " with IRQ %u (%d). \n", pcmcia_schlvl, hwirq); /* Configure Status change interrupt */ - if(request_irq(pcmcia_schlvl, m8xx_interrupt, 0, - "m8xx_pcmcia", NULL)) { + if(request_irq(pcmcia_schlvl, m8xx_interrupt, IRQF_SHARED, + driver_name, socket)) { pcmcia_error("Cannot allocate IRQ %u for SCHLVL!\n", pcmcia_schlvl); return -1; } - w = (void *) &((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_pbr0; - - out_be32(&((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_pscr, - M8XX_PCMCIA_MASK(0)| M8XX_PCMCIA_MASK(1)); + w = (void *) &pcmcia->pcmc_pbr0; - out_be32(&((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_per, - in_be32(&((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_per) & - ~(M8XX_PCMCIA_MASK(0)| M8XX_PCMCIA_MASK(1))); + out_be32(&pcmcia->pcmc_pscr, M8XX_PCMCIA_MASK(0)| M8XX_PCMCIA_MASK(1)); + clrbits32(&pcmcia->pcmc_per, M8XX_PCMCIA_MASK(0) | M8XX_PCMCIA_MASK(1)); -/* connect interrupt and disable CxOE */ + /* connect interrupt and disable CxOE */ - out_be32(M8XX_PGCRX(0), M8XX_PGCRX_CXOE | (mk_int_int_mask(pcmcia_schlvl) << 16)); - out_be32(M8XX_PGCRX(1), M8XX_PGCRX_CXOE | (mk_int_int_mask(pcmcia_schlvl) << 16)); + out_be32(M8XX_PGCRX(0), M8XX_PGCRX_CXOE | (mk_int_int_mask(hwirq) << 16)); + out_be32(M8XX_PGCRX(1), M8XX_PGCRX_CXOE | (mk_int_int_mask(hwirq) << 16)); -/* intialize the fixed memory windows */ + /* intialize the fixed memory windows */ for(i = 0; i < PCMCIA_SOCKETS_NO; i++){ - for(m = 0; m < PCMCIA_MEM_WIN_NO; m++) { + for (m = 0; m < PCMCIA_MEM_WIN_NO; m++) { out_be32(&w->br, PCMCIA_MEM_WIN_BASE + (PCMCIA_MEM_WIN_SIZE * (m + i * PCMCIA_MEM_WIN_NO))); @@ -1300,16 +1210,14 @@ static int __init m8xx_init(void) } } -/* turn off voltage */ + /* turn off voltage */ voltage_set(0, 0, 0); voltage_set(1, 0, 0); -/* Enable external hardware */ + /* Enable external hardware */ hardware_enable(0); hardware_enable(1); - platform_device_register(&m8xx_device); - for (i = 0 ; i < PCMCIA_SOCKETS_NO; i++) { socket[i].slot = i; socket[i].socket.owner = THIS_MODULE; @@ -1317,30 +1225,105 @@ static int __init m8xx_init(void) socket[i].socket.irq_mask = 0x000; socket[i].socket.map_size = 0x1000; socket[i].socket.io_offset = 0; - socket[i].socket.pci_irq = i ? 7 : 9; + socket[i].socket.pci_irq = pcmcia_schlvl; socket[i].socket.ops = &m8xx_services; - socket[i].socket.resource_ops = &pccard_iodyn_ops; + socket[i].socket.resource_ops = &pccard_nonstatic_ops; socket[i].socket.cb_dev = NULL; - socket[i].socket.dev.parent = &m8xx_device.dev; + socket[i].socket.dev.parent = &ofdev->dev; + socket[i].pcmcia = pcmcia; + socket[i].bus_freq = ppc_proc_freq; + socket[i].hwirq = hwirq; + + } - for (i = 0; i < PCMCIA_SOCKETS_NO; i++) - pcmcia_register_socket(&socket[i].socket); + for (i = 0; i < PCMCIA_SOCKETS_NO; i++) { + status = pcmcia_register_socket(&socket[i].socket); + if (status < 0) + pcmcia_error("Socket register failed\n"); + } return 0; } -static void __exit m8xx_exit(void) +static int m8xx_remove(struct of_device* ofdev) { - int i; + u32 m, i; + struct pcmcia_win *w; + pcmconf8xx_t *pcmcia = socket[0].pcmcia; + + for (i = 0; i < PCMCIA_SOCKETS_NO; i++) { + w = (void *) &pcmcia->pcmc_pbr0; + + out_be32(&pcmcia->pcmc_pscr, M8XX_PCMCIA_MASK(i)); + out_be32(&pcmcia->pcmc_per, + in_be32(&pcmcia->pcmc_per) & ~M8XX_PCMCIA_MASK(i)); + /* turn off interrupt and disable CxOE */ + out_be32(M8XX_PGCRX(i), M8XX_PGCRX_CXOE); + + /* turn off memory windows */ + for (m = 0; m < PCMCIA_MEM_WIN_NO; m++) { + out_be32(&w->or, 0); /* set to not valid */ + w++; + } + + /* turn off voltage */ + voltage_set(i, 0, 0); + + /* disable external hardware */ + hardware_disable(i); + } for (i = 0; i < PCMCIA_SOCKETS_NO; i++) pcmcia_unregister_socket(&socket[i].socket); - m8xx_shutdown(); + free_irq(pcmcia_schlvl, NULL); - platform_device_unregister(&m8xx_device); - driver_unregister(&m8xx_driver); + return 0; +} + +#ifdef CONFIG_PM +static int m8xx_suspend(struct platform_device *pdev, pm_message_t state) +{ + return pcmcia_socket_dev_suspend(&pdev->dev, state); +} + +static int m8xx_resume(struct platform_device *pdev) +{ + return pcmcia_socket_dev_resume(&pdev->dev); +} +#else +#define m8xx_suspend NULL +#define m8xx_resume NULL +#endif + +static struct of_device_id m8xx_pcmcia_match[] = { + { + .type = "pcmcia", + .compatible = "fsl,pq-pcmcia", + }, + {}, +}; + +MODULE_DEVICE_TABLE(of, m8xx_pcmcia_match); + +static struct of_platform_driver m8xx_pcmcia_driver = { + .name = (char *) driver_name, + .match_table = m8xx_pcmcia_match, + .probe = m8xx_probe, + .remove = m8xx_remove, + .suspend = m8xx_suspend, + .resume = m8xx_resume, +}; + +static int __init m8xx_init(void) +{ + return of_register_platform_driver(&m8xx_pcmcia_driver); +} + +static void __exit m8xx_exit(void) +{ + of_unregister_platform_driver(&m8xx_pcmcia_driver); } module_init(m8xx_init); diff --git a/drivers/ps3/Makefile b/drivers/ps3/Makefile index e251d1c1171..746031de219 100644 --- a/drivers/ps3/Makefile +++ b/drivers/ps3/Makefile @@ -1,3 +1,6 @@ obj-$(CONFIG_PS3_VUART) += vuart.o -obj-$(CONFIG_PS3_PS3AV) += ps3av.o ps3av_cmd.o +obj-$(CONFIG_PS3_PS3AV) += ps3av_mod.o +ps3av_mod-objs += ps3av.o ps3av_cmd.o +obj-$(CONFIG_PPC_PS3) += sys-manager-core.o obj-$(CONFIG_PS3_SYS_MANAGER) += sys-manager.o +obj-$(CONFIG_PS3_STORAGE) += ps3stor_lib.o diff --git a/drivers/ps3/ps3av.c b/drivers/ps3/ps3av.c index 1393e64335f..85e21614f86 100644 --- a/drivers/ps3/ps3av.c +++ b/drivers/ps3/ps3av.c @@ -1,32 +1,30 @@ /* - * Copyright (C) 2006 Sony Computer Entertainment Inc. - * Copyright 2006, 2007 Sony Corporation + * PS3 AV backend support. * - * AV backend support for PS3 + * Copyright (C) 2007 Sony Computer Entertainment Inc. + * Copyright 2007 Sony Corp. * - * 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; version 2 of the License. + * 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; version 2 of the License. * - * 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. + * 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 Street, Fifth Floor, Boston, MA 02110-1301 USA. + * 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 <linux/module.h> #include <linux/delay.h> #include <linux/notifier.h> -#include <linux/reboot.h> -#include <linux/kernel.h> #include <linux/ioctl.h> #include <asm/firmware.h> -#include <asm/lv1call.h> #include <asm/ps3av.h> #include <asm/ps3.h> @@ -39,13 +37,12 @@ static int timeout = 5000; /* in msec ( 5 sec ) */ module_param(timeout, int, 0644); static struct ps3av { - int available; struct mutex mutex; struct work_struct work; struct completion done; struct workqueue_struct *wq; int open_count; - struct ps3_vuart_port_device *dev; + struct ps3_system_bus_device *dev; int region; struct ps3av_pkt_av_get_hw_conf av_hw_conf; @@ -55,11 +52,13 @@ static struct ps3av { u32 audio_port; int ps3av_mode; int ps3av_mode_old; -} ps3av; - -static struct ps3_vuart_port_device ps3av_dev = { - .match_id = PS3_MATCH_ID_AV_SETTINGS -}; + union { + struct ps3av_reply_hdr reply_hdr; + u8 raw[PS3AV_BUF_SIZE]; + } recv_buf; + void (*flip_ctl)(int on, void *data); + void *flip_data; +} *ps3av; /* color space */ #define YUV444 PS3AV_CMD_VIDEO_CS_YUV444_8 @@ -169,7 +168,7 @@ static int ps3av_parse_event_packet(const struct ps3av_reply_hdr *hdr) if (hdr->cid & PS3AV_EVENT_CMD_MASK) { table = ps3av_search_cmd_table(hdr->cid, PS3AV_EVENT_CMD_MASK); if (table) - dev_dbg(&ps3av_dev.core, + dev_dbg(&ps3av->dev->core, "recv event packet cid:%08x port:0x%x size:%d\n", hdr->cid, ps3av_event_get_port_id(hdr->cid), hdr->size); @@ -182,6 +181,41 @@ static int ps3av_parse_event_packet(const struct ps3av_reply_hdr *hdr) return 0; } + +#define POLLING_INTERVAL 25 /* in msec */ + +static int ps3av_vuart_write(struct ps3_system_bus_device *dev, + const void *buf, unsigned long size) +{ + int error; + dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__); + error = ps3_vuart_write(dev, buf, size); + dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__); + return error ? error : size; +} + +static int ps3av_vuart_read(struct ps3_system_bus_device *dev, void *buf, + unsigned long size, int timeout) +{ + int error; + int loopcnt = 0; + + dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__); + timeout = (timeout + POLLING_INTERVAL - 1) / POLLING_INTERVAL; + while (loopcnt++ <= timeout) { + error = ps3_vuart_read(dev, buf, size); + if (!error) + return size; + if (error != -EAGAIN) { + printk(KERN_ERR "%s: ps3_vuart_read failed %d\n", + __func__, error); + return error; + } + msleep(POLLING_INTERVAL); + } + return -EWOULDBLOCK; +} + static int ps3av_send_cmd_pkt(const struct ps3av_send_hdr *send_buf, struct ps3av_reply_hdr *recv_buf, int write_len, int read_len) @@ -190,13 +224,13 @@ static int ps3av_send_cmd_pkt(const struct ps3av_send_hdr *send_buf, u32 cmd; int event; - if (!ps3av.available) + if (!ps3av) return -ENODEV; /* send pkt */ - res = ps3av_vuart_write(ps3av.dev, send_buf, write_len); + res = ps3av_vuart_write(ps3av->dev, send_buf, write_len); if (res < 0) { - dev_dbg(&ps3av_dev.core, + dev_dbg(&ps3av->dev->core, "%s: ps3av_vuart_write() failed (result=%d)\n", __func__, res); return res; @@ -206,20 +240,20 @@ static int ps3av_send_cmd_pkt(const struct ps3av_send_hdr *send_buf, cmd = send_buf->cid; do { /* read header */ - res = ps3av_vuart_read(ps3av.dev, recv_buf, PS3AV_HDR_SIZE, + res = ps3av_vuart_read(ps3av->dev, recv_buf, PS3AV_HDR_SIZE, timeout); if (res != PS3AV_HDR_SIZE) { - dev_dbg(&ps3av_dev.core, + dev_dbg(&ps3av->dev->core, "%s: ps3av_vuart_read() failed (result=%d)\n", __func__, res); return res; } /* read body */ - res = ps3av_vuart_read(ps3av.dev, &recv_buf->cid, + res = ps3av_vuart_read(ps3av->dev, &recv_buf->cid, recv_buf->size, timeout); if (res < 0) { - dev_dbg(&ps3av_dev.core, + dev_dbg(&ps3av->dev->core, "%s: ps3av_vuart_read() failed (result=%d)\n", __func__, res); return res; @@ -230,7 +264,7 @@ static int ps3av_send_cmd_pkt(const struct ps3av_send_hdr *send_buf, } while (event); if ((cmd | PS3AV_REPLY_BIT) != recv_buf->cid) { - dev_dbg(&ps3av_dev.core, "%s: reply err (result=%x)\n", + dev_dbg(&ps3av->dev->core, "%s: reply err (result=%x)\n", __func__, recv_buf->cid); return -EINVAL; } @@ -245,7 +279,7 @@ static int ps3av_process_reply_packet(struct ps3av_send_hdr *cmd_buf, int return_len; if (recv_buf->version != PS3AV_VERSION) { - dev_dbg(&ps3av_dev.core, "reply_packet invalid version:%x\n", + dev_dbg(&ps3av->dev->core, "reply_packet invalid version:%x\n", recv_buf->version); return -EFAULT; } @@ -267,16 +301,11 @@ int ps3av_do_pkt(u32 cid, u16 send_len, size_t usr_buf_size, struct ps3av_send_hdr *buf) { int res = 0; - static union { - struct ps3av_reply_hdr reply_hdr; - u8 raw[PS3AV_BUF_SIZE]; - } recv_buf; - u32 *table; - BUG_ON(!ps3av.available); + BUG_ON(!ps3av); - mutex_lock(&ps3av.mutex); + mutex_lock(&ps3av->mutex); table = ps3av_search_cmd_table(cid, PS3AV_CID_MASK); BUG_ON(!table); @@ -288,7 +317,7 @@ int ps3av_do_pkt(u32 cid, u16 send_len, size_t usr_buf_size, ps3av_set_hdr(cid, send_len, buf); /* send packet via vuart */ - res = ps3av_send_cmd_pkt(buf, &recv_buf.reply_hdr, send_len, + res = ps3av_send_cmd_pkt(buf, &ps3av->recv_buf.reply_hdr, send_len, usr_buf_size); if (res < 0) { printk(KERN_ERR @@ -298,7 +327,7 @@ int ps3av_do_pkt(u32 cid, u16 send_len, size_t usr_buf_size, } /* process reply packet */ - res = ps3av_process_reply_packet(buf, &recv_buf.reply_hdr, + res = ps3av_process_reply_packet(buf, &ps3av->recv_buf.reply_hdr, usr_buf_size); if (res < 0) { printk(KERN_ERR "%s: put_return_status() failed (result=%d)\n", @@ -306,11 +335,11 @@ int ps3av_do_pkt(u32 cid, u16 send_len, size_t usr_buf_size, goto err; } - mutex_unlock(&ps3av.mutex); + mutex_unlock(&ps3av->mutex); return 0; err: - mutex_unlock(&ps3av.mutex); + mutex_unlock(&ps3av->mutex); printk(KERN_ERR "%s: failed cid:%x res:%d\n", __func__, cid, res); return res; } @@ -319,11 +348,11 @@ static int ps3av_set_av_video_mute(u32 mute) { int i, num_of_av_port, res; - num_of_av_port = ps3av.av_hw_conf.num_of_hdmi + - ps3av.av_hw_conf.num_of_avmulti; + num_of_av_port = ps3av->av_hw_conf.num_of_hdmi + + ps3av->av_hw_conf.num_of_avmulti; /* video mute on */ for (i = 0; i < num_of_av_port; i++) { - res = ps3av_cmd_av_video_mute(1, &ps3av.av_port[i], mute); + res = ps3av_cmd_av_video_mute(1, &ps3av->av_port[i], mute); if (res < 0) return -1; } @@ -335,13 +364,13 @@ static int ps3av_set_video_disable_sig(void) { int i, num_of_hdmi_port, num_of_av_port, res; - num_of_hdmi_port = ps3av.av_hw_conf.num_of_hdmi; - num_of_av_port = ps3av.av_hw_conf.num_of_hdmi + - ps3av.av_hw_conf.num_of_avmulti; + num_of_hdmi_port = ps3av->av_hw_conf.num_of_hdmi; + num_of_av_port = ps3av->av_hw_conf.num_of_hdmi + + ps3av->av_hw_conf.num_of_avmulti; /* tv mute */ for (i = 0; i < num_of_hdmi_port; i++) { - res = ps3av_cmd_av_tv_mute(ps3av.av_port[i], + res = ps3av_cmd_av_tv_mute(ps3av->av_port[i], PS3AV_CMD_MUTE_ON); if (res < 0) return -1; @@ -350,11 +379,11 @@ static int ps3av_set_video_disable_sig(void) /* video mute on */ for (i = 0; i < num_of_av_port; i++) { - res = ps3av_cmd_av_video_disable_sig(ps3av.av_port[i]); + res = ps3av_cmd_av_video_disable_sig(ps3av->av_port[i]); if (res < 0) return -1; if (i < num_of_hdmi_port) { - res = ps3av_cmd_av_tv_mute(ps3av.av_port[i], + res = ps3av_cmd_av_tv_mute(ps3av->av_port[i], PS3AV_CMD_MUTE_OFF); if (res < 0) return -1; @@ -369,17 +398,17 @@ static int ps3av_set_audio_mute(u32 mute) { int i, num_of_av_port, num_of_opt_port, res; - num_of_av_port = ps3av.av_hw_conf.num_of_hdmi + - ps3av.av_hw_conf.num_of_avmulti; - num_of_opt_port = ps3av.av_hw_conf.num_of_spdif; + num_of_av_port = ps3av->av_hw_conf.num_of_hdmi + + ps3av->av_hw_conf.num_of_avmulti; + num_of_opt_port = ps3av->av_hw_conf.num_of_spdif; for (i = 0; i < num_of_av_port; i++) { - res = ps3av_cmd_av_audio_mute(1, &ps3av.av_port[i], mute); + res = ps3av_cmd_av_audio_mute(1, &ps3av->av_port[i], mute); if (res < 0) return -1; } for (i = 0; i < num_of_opt_port; i++) { - res = ps3av_cmd_audio_mute(1, &ps3av.opt_port[i], mute); + res = ps3av_cmd_audio_mute(1, &ps3av->opt_port[i], mute); if (res < 0) return -1; } @@ -394,40 +423,40 @@ int ps3av_set_audio_mode(u32 ch, u32 fs, u32 word_bits, u32 format, u32 source) struct ps3av_pkt_audio_mode audio_mode; u32 len = 0; - num_of_audio = ps3av.av_hw_conf.num_of_hdmi + - ps3av.av_hw_conf.num_of_avmulti + - ps3av.av_hw_conf.num_of_spdif; + num_of_audio = ps3av->av_hw_conf.num_of_hdmi + + ps3av->av_hw_conf.num_of_avmulti + + ps3av->av_hw_conf.num_of_spdif; avb_param.num_of_video_pkt = 0; avb_param.num_of_audio_pkt = PS3AV_AVB_NUM_AUDIO; /* always 0 */ avb_param.num_of_av_video_pkt = 0; - avb_param.num_of_av_audio_pkt = ps3av.av_hw_conf.num_of_hdmi; + avb_param.num_of_av_audio_pkt = ps3av->av_hw_conf.num_of_hdmi; - vid = video_mode_table[ps3av.ps3av_mode].vid; + vid = video_mode_table[ps3av->ps3av_mode].vid; /* audio mute */ ps3av_set_audio_mute(PS3AV_CMD_MUTE_ON); /* audio inactive */ - res = ps3av_cmd_audio_active(0, ps3av.audio_port); + res = ps3av_cmd_audio_active(0, ps3av->audio_port); if (res < 0) - dev_dbg(&ps3av_dev.core, + dev_dbg(&ps3av->dev->core, "ps3av_cmd_audio_active OFF failed\n"); /* audio_pkt */ for (i = 0; i < num_of_audio; i++) { - ps3av_cmd_set_audio_mode(&audio_mode, ps3av.av_port[i], ch, fs, - word_bits, format, source); - if (i < ps3av.av_hw_conf.num_of_hdmi) { + ps3av_cmd_set_audio_mode(&audio_mode, ps3av->av_port[i], ch, + fs, word_bits, format, source); + if (i < ps3av->av_hw_conf.num_of_hdmi) { /* hdmi only */ len += ps3av_cmd_set_av_audio_param(&avb_param.buf[len], - ps3av.av_port[i], + ps3av->av_port[i], &audio_mode, vid); } /* audio_mode pkt should be sent separately */ res = ps3av_cmd_audio_mode(&audio_mode); if (res < 0) - dev_dbg(&ps3av_dev.core, + dev_dbg(&ps3av->dev->core, "ps3av_cmd_audio_mode failed, port:%x\n", i); } @@ -435,15 +464,16 @@ int ps3av_set_audio_mode(u32 ch, u32 fs, u32 word_bits, u32 format, u32 source) len += offsetof(struct ps3av_pkt_avb_param, buf); res = ps3av_cmd_avb_param(&avb_param, len); if (res < 0) - dev_dbg(&ps3av_dev.core, "ps3av_cmd_avb_param failed\n"); + dev_dbg(&ps3av->dev->core, "ps3av_cmd_avb_param failed\n"); /* audio mute */ ps3av_set_audio_mute(PS3AV_CMD_MUTE_OFF); /* audio active */ - res = ps3av_cmd_audio_active(1, ps3av.audio_port); + res = ps3av_cmd_audio_active(1, ps3av->audio_port); if (res < 0) - dev_dbg(&ps3av_dev.core, "ps3av_cmd_audio_active ON failed\n"); + dev_dbg(&ps3av->dev->core, + "ps3av_cmd_audio_active ON failed\n"); return 0; } @@ -456,7 +486,7 @@ static int ps3av_set_videomode(void) ps3av_set_av_video_mute(PS3AV_CMD_MUTE_ON); /* wake up ps3avd to do the actual video mode setting */ - queue_work(ps3av.wq, &ps3av.work); + queue_work(ps3av->wq, &ps3av->work); return 0; } @@ -473,8 +503,8 @@ static void ps3av_set_videomode_cont(u32 id, u32 old_id) avb_param.num_of_video_pkt = PS3AV_AVB_NUM_VIDEO; /* num of head */ avb_param.num_of_audio_pkt = 0; - avb_param.num_of_av_video_pkt = ps3av.av_hw_conf.num_of_hdmi + - ps3av.av_hw_conf.num_of_avmulti; + avb_param.num_of_av_video_pkt = ps3av->av_hw_conf.num_of_hdmi + + ps3av->av_hw_conf.num_of_avmulti; avb_param.num_of_av_audio_pkt = 0; /* video signal off */ @@ -484,21 +514,21 @@ static void ps3av_set_videomode_cont(u32 id, u32 old_id) if (id & PS3AV_MODE_HDCP_OFF) { res = ps3av_cmd_av_hdmi_mode(PS3AV_CMD_AV_HDMI_HDCP_OFF); if (res == PS3AV_STATUS_UNSUPPORTED_HDMI_MODE) - dev_dbg(&ps3av_dev.core, "Not supported\n"); + dev_dbg(&ps3av->dev->core, "Not supported\n"); else if (res) - dev_dbg(&ps3av_dev.core, + dev_dbg(&ps3av->dev->core, "ps3av_cmd_av_hdmi_mode failed\n"); } else if (old_id & PS3AV_MODE_HDCP_OFF) { res = ps3av_cmd_av_hdmi_mode(PS3AV_CMD_AV_HDMI_MODE_NORMAL); if (res < 0 && res != PS3AV_STATUS_UNSUPPORTED_HDMI_MODE) - dev_dbg(&ps3av_dev.core, + dev_dbg(&ps3av->dev->core, "ps3av_cmd_av_hdmi_mode failed\n"); } /* video_pkt */ for (i = 0; i < avb_param.num_of_video_pkt; i++) len += ps3av_cmd_set_video_mode(&avb_param.buf[len], - ps3av.head[i], video_mode->vid, + ps3av->head[i], video_mode->vid, video_mode->fmt, id); /* av_video_pkt */ for (i = 0; i < avb_param.num_of_av_video_pkt; i++) { @@ -507,12 +537,12 @@ static void ps3av_set_videomode_cont(u32 id, u32 old_id) else av_video_cs = video_mode->cs; #ifndef PS3AV_HDMI_YUV - if (ps3av.av_port[i] == PS3AV_CMD_AVPORT_HDMI_0 || - ps3av.av_port[i] == PS3AV_CMD_AVPORT_HDMI_1) + if (ps3av->av_port[i] == PS3AV_CMD_AVPORT_HDMI_0 || + ps3av->av_port[i] == PS3AV_CMD_AVPORT_HDMI_1) av_video_cs = RGB8; /* use RGB for HDMI */ #endif len += ps3av_cmd_set_av_video_cs(&avb_param.buf[len], - ps3av.av_port[i], + ps3av->av_port[i], video_mode->vid, av_video_cs, video_mode->aspect, id); } @@ -524,7 +554,7 @@ static void ps3av_set_videomode_cont(u32 id, u32 old_id) "%s: Command failed. Please try your request again. \n", __func__); else if (res) - dev_dbg(&ps3av_dev.core, "ps3av_cmd_avb_param failed\n"); + dev_dbg(&ps3av->dev->core, "ps3av_cmd_avb_param failed\n"); msleep(1500); /* av video mute */ @@ -533,8 +563,8 @@ static void ps3av_set_videomode_cont(u32 id, u32 old_id) static void ps3avd(struct work_struct *work) { - ps3av_set_videomode_cont(ps3av.ps3av_mode, ps3av.ps3av_mode_old); - complete(&ps3av.done); + ps3av_set_videomode_cont(ps3av->ps3av_mode, ps3av->ps3av_mode_old); + complete(&ps3av->done); } static int ps3av_vid2table_id(int vid) @@ -601,7 +631,7 @@ static int ps3av_hdmi_get_vid(struct ps3av_info_monitor *info) return vid; } - if (ps3av.region & PS3AV_REGION_60) + if (ps3av->region & PS3AV_REGION_60) vid = PS3AV_DEFAULT_HDMI_VID_REG_60; else vid = PS3AV_DEFAULT_HDMI_VID_REG_50; @@ -643,16 +673,16 @@ static int ps3av_auto_videomode(struct ps3av_pkt_av_get_hw_conf *av_hw_conf, vid = PS3AV_DEFAULT_DVI_VID; } else if (vid == -1) { /* no HDMI interface or HDMI is off */ - if (ps3av.region & PS3AV_REGION_60) + if (ps3av->region & PS3AV_REGION_60) vid = PS3AV_DEFAULT_AVMULTI_VID_REG_60; else vid = PS3AV_DEFAULT_AVMULTI_VID_REG_50; - if (ps3av.region & PS3AV_REGION_RGB) + if (ps3av->region & PS3AV_REGION_RGB) rgb = PS3AV_MODE_RGB; } else if (boot) { /* HDMI: using DEFAULT HDMI_VID while booting up */ info = &monitor_info.info; - if (ps3av.region & PS3AV_REGION_60) { + if (ps3av->region & PS3AV_REGION_60) { if (info->res_60.res_bits & PS3AV_RESBIT_720x480P) vid = PS3AV_DEFAULT_HDMI_VID_REG_60; else if (info->res_50.res_bits & PS3AV_RESBIT_720x576P) @@ -715,14 +745,14 @@ int ps3av_set_video_mode(u32 id, int boot) size = ARRAY_SIZE(video_mode_table); if ((id & PS3AV_MODE_MASK) > size - 1 || id < 0) { - dev_dbg(&ps3av_dev.core, "%s: error id :%d\n", __func__, id); + dev_dbg(&ps3av->dev->core, "%s: error id :%d\n", __func__, id); return -EINVAL; } /* auto mode */ option = id & ~PS3AV_MODE_MASK; if ((id & PS3AV_MODE_MASK) == 0) { - id = ps3av_auto_videomode(&ps3av.av_hw_conf, boot); + id = ps3av_auto_videomode(&ps3av->av_hw_conf, boot); if (id < 1) { printk(KERN_ERR "%s: invalid id :%d\n", __func__, id); return -EINVAL; @@ -731,11 +761,11 @@ int ps3av_set_video_mode(u32 id, int boot) } /* set videomode */ - wait_for_completion(&ps3av.done); - ps3av.ps3av_mode_old = ps3av.ps3av_mode; - ps3av.ps3av_mode = id; + wait_for_completion(&ps3av->done); + ps3av->ps3av_mode_old = ps3av->ps3av_mode; + ps3av->ps3av_mode = id; if (ps3av_set_videomode()) - ps3av.ps3av_mode = ps3av.ps3av_mode_old; + ps3av->ps3av_mode = ps3av->ps3av_mode_old; return 0; } @@ -744,7 +774,7 @@ EXPORT_SYMBOL_GPL(ps3av_set_video_mode); int ps3av_get_auto_mode(int boot) { - return ps3av_auto_videomode(&ps3av.av_hw_conf, boot); + return ps3av_auto_videomode(&ps3av->av_hw_conf, boot); } EXPORT_SYMBOL_GPL(ps3av_get_auto_mode); @@ -772,7 +802,7 @@ EXPORT_SYMBOL_GPL(ps3av_set_mode); int ps3av_get_mode(void) { - return ps3av.ps3av_mode; + return ps3av ? ps3av->ps3av_mode : 0; } EXPORT_SYMBOL_GPL(ps3av_get_mode); @@ -842,82 +872,65 @@ int ps3av_audio_mute(int mute) EXPORT_SYMBOL_GPL(ps3av_audio_mute); -int ps3av_dev_open(void) +void ps3av_register_flip_ctl(void (*flip_ctl)(int on, void *data), + void *flip_data) { - int status = 0; - - mutex_lock(&ps3av.mutex); - if (!ps3av.open_count++) { - status = lv1_gpu_open(0); - if (status) { - printk(KERN_ERR "%s: lv1_gpu_open failed %d\n", - __func__, status); - ps3av.open_count--; - } - } - mutex_unlock(&ps3av.mutex); - - return status; + mutex_lock(&ps3av->mutex); + ps3av->flip_ctl = flip_ctl; + ps3av->flip_data = flip_data; + mutex_unlock(&ps3av->mutex); } +EXPORT_SYMBOL_GPL(ps3av_register_flip_ctl); -EXPORT_SYMBOL_GPL(ps3av_dev_open); - -int ps3av_dev_close(void) +void ps3av_flip_ctl(int on) { - int status = 0; - - mutex_lock(&ps3av.mutex); - if (ps3av.open_count <= 0) { - printk(KERN_ERR "%s: GPU already closed\n", __func__); - status = -1; - } else if (!--ps3av.open_count) { - status = lv1_gpu_close(); - if (status) - printk(KERN_WARNING "%s: lv1_gpu_close failed %d\n", - __func__, status); - } - mutex_unlock(&ps3av.mutex); - - return status; + mutex_lock(&ps3av->mutex); + if (ps3av->flip_ctl) + ps3av->flip_ctl(on, ps3av->flip_data); + mutex_unlock(&ps3av->mutex); } -EXPORT_SYMBOL_GPL(ps3av_dev_close); - -static int ps3av_probe(struct ps3_vuart_port_device *dev) +static int ps3av_probe(struct ps3_system_bus_device *dev) { int res; u32 id; - dev_dbg(&ps3av_dev.core, "init ...\n"); - dev_dbg(&ps3av_dev.core, " timeout=%d\n", timeout); + dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__); + dev_dbg(&dev->core, " timeout=%d\n", timeout); - memset(&ps3av, 0, sizeof(ps3av)); - - mutex_init(&ps3av.mutex); - ps3av.ps3av_mode = 0; - ps3av.dev = dev; + if (ps3av) { + dev_err(&dev->core, "Only one ps3av device is supported\n"); + return -EBUSY; + } - INIT_WORK(&ps3av.work, ps3avd); - init_completion(&ps3av.done); - complete(&ps3av.done); - ps3av.wq = create_singlethread_workqueue("ps3avd"); - if (!ps3av.wq) + ps3av = kzalloc(sizeof(*ps3av), GFP_KERNEL); + if (!ps3av) return -ENOMEM; - ps3av.available = 1; + mutex_init(&ps3av->mutex); + ps3av->ps3av_mode = 0; + ps3av->dev = dev; + + INIT_WORK(&ps3av->work, ps3avd); + init_completion(&ps3av->done); + complete(&ps3av->done); + ps3av->wq = create_singlethread_workqueue("ps3avd"); + if (!ps3av->wq) + goto fail; + switch (ps3_os_area_get_av_multi_out()) { case PS3_PARAM_AV_MULTI_OUT_NTSC: - ps3av.region = PS3AV_REGION_60; + ps3av->region = PS3AV_REGION_60; break; case PS3_PARAM_AV_MULTI_OUT_PAL_YCBCR: case PS3_PARAM_AV_MULTI_OUT_SECAM: - ps3av.region = PS3AV_REGION_50; + ps3av->region = PS3AV_REGION_50; break; case PS3_PARAM_AV_MULTI_OUT_PAL_RGB: - ps3av.region = PS3AV_REGION_50 | PS3AV_REGION_RGB; + ps3av->region = PS3AV_REGION_50 | PS3AV_REGION_RGB; break; default: - ps3av.region = PS3AV_REGION_60; + ps3av->region = PS3AV_REGION_60; break; } @@ -927,39 +940,47 @@ static int ps3av_probe(struct ps3_vuart_port_device *dev) printk(KERN_ERR "%s: ps3av_cmd_init failed %d\n", __func__, res); - ps3av_get_hw_conf(&ps3av); - id = ps3av_auto_videomode(&ps3av.av_hw_conf, 1); - mutex_lock(&ps3av.mutex); - ps3av.ps3av_mode = id; - mutex_unlock(&ps3av.mutex); + ps3av_get_hw_conf(ps3av); + id = ps3av_auto_videomode(&ps3av->av_hw_conf, 1); + mutex_lock(&ps3av->mutex); + ps3av->ps3av_mode = id; + mutex_unlock(&ps3av->mutex); - dev_dbg(&ps3av_dev.core, "init...done\n"); + dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__); return 0; + +fail: + kfree(ps3av); + ps3av = NULL; + return -ENOMEM; } -static int ps3av_remove(struct ps3_vuart_port_device *dev) +static int ps3av_remove(struct ps3_system_bus_device *dev) { - if (ps3av.available) { + dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__); + if (ps3av) { ps3av_cmd_fin(); - if (ps3av.wq) - destroy_workqueue(ps3av.wq); - ps3av.available = 0; + if (ps3av->wq) + destroy_workqueue(ps3av->wq); + kfree(ps3av); + ps3av = NULL; } + dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__); return 0; } -static void ps3av_shutdown(struct ps3_vuart_port_device *dev) +static void ps3av_shutdown(struct ps3_system_bus_device *dev) { + dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__); ps3av_remove(dev); + dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__); } static struct ps3_vuart_port_driver ps3av_driver = { - .match_id = PS3_MATCH_ID_AV_SETTINGS, - .core = { - .name = "ps3_av", - }, + .core.match_id = PS3_MATCH_ID_AV_SETTINGS, + .core.core.name = "ps3_av", .probe = ps3av_probe, .remove = ps3av_remove, .shutdown = ps3av_shutdown, @@ -972,6 +993,8 @@ static int ps3av_module_init(void) if (!firmware_has_feature(FW_FEATURE_PS3_LV1)) return -ENODEV; + pr_debug(" -> %s:%d\n", __func__, __LINE__); + error = ps3_vuart_port_driver_register(&ps3av_driver); if (error) { printk(KERN_ERR @@ -980,20 +1003,21 @@ static int ps3av_module_init(void) return error; } - error = ps3_vuart_port_device_register(&ps3av_dev); - if (error) - printk(KERN_ERR - "%s: ps3_vuart_port_device_register failed %d\n", - __func__, error); - + pr_debug(" <- %s:%d\n", __func__, __LINE__); return error; } static void __exit ps3av_module_exit(void) { - device_unregister(&ps3av_dev.core); + pr_debug(" -> %s:%d\n", __func__, __LINE__); ps3_vuart_port_driver_unregister(&ps3av_driver); + pr_debug(" <- %s:%d\n", __func__, __LINE__); } subsys_initcall(ps3av_module_init); module_exit(ps3av_module_exit); + +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("PS3 AV Settings Driver"); +MODULE_AUTHOR("Sony Computer Entertainment Inc."); +MODULE_ALIAS(PS3_MODULE_ALIAS_AV_SETTINGS); diff --git a/drivers/ps3/ps3av_cmd.c b/drivers/ps3/ps3av_cmd.c index 0145ea173c4..f72f5ddf18e 100644 --- a/drivers/ps3/ps3av_cmd.c +++ b/drivers/ps3/ps3av_cmd.c @@ -143,6 +143,14 @@ static u32 ps3av_vid_video2av(int vid) return PS3AV_CMD_AV_VID_480P; } +static int ps3av_hdmi_range(void) +{ + if (ps3_compare_firmware_version(1, 8, 0) < 0) + return 0; + else + return 1; /* supported */ +} + int ps3av_cmd_init(void) { int res; @@ -350,6 +358,10 @@ u32 ps3av_cmd_set_av_video_cs(void *p, u32 avport, int video_vid, int cs_out, /* should be same as video_mode.video_cs_out */ av_video_cs->av_cs_in = ps3av_cs_video2av(PS3AV_CMD_VIDEO_CS_RGB_8); av_video_cs->bitlen_out = ps3av_cs_video2av_bitlen(cs_out); + if ((id & PS3AV_MODE_WHITE) && ps3av_hdmi_range()) + av_video_cs->super_white = PS3AV_CMD_AV_SUPER_WHITE_ON; + else /* default off */ + av_video_cs->super_white = PS3AV_CMD_AV_SUPER_WHITE_OFF; av_video_cs->aspect = aspect; if (id & PS3AV_MODE_DITHER) { av_video_cs->dither = PS3AV_CMD_AV_DITHER_ON @@ -392,6 +404,10 @@ u32 ps3av_cmd_set_video_mode(void *p, u32 head, int video_vid, int video_fmt, video_mode->pitch = video_mode->width * 4; /* line_length */ video_mode->video_out_format = PS3AV_CMD_VIDEO_OUT_FORMAT_RGB_12BIT; video_mode->video_format = ps3av_video_fmt_table[video_fmt].format; + if ((id & PS3AV_MODE_COLOR) && ps3av_hdmi_range()) + video_mode->video_cl_cnv = PS3AV_CMD_VIDEO_CL_CNV_DISABLE_LUT; + else /* default enable */ + video_mode->video_cl_cnv = PS3AV_CMD_VIDEO_CL_CNV_ENABLE_LUT; video_mode->video_order = ps3av_video_fmt_table[video_fmt].order; pr_debug("%s: video_mode:vid:%x width:%d height:%d pitch:%d out_format:%d format:%x order:%x\n", @@ -852,7 +868,7 @@ int ps3av_cmd_avb_param(struct ps3av_pkt_avb_param *avb, u32 send_len) { int res; - ps3fb_flip_ctl(0); /* flip off */ + ps3av_flip_ctl(0); /* flip off */ /* avb packet */ res = ps3av_do_pkt(PS3AV_CID_AVB_PARAM, send_len, sizeof(*avb), @@ -866,7 +882,7 @@ int ps3av_cmd_avb_param(struct ps3av_pkt_avb_param *avb, u32 send_len) res); out: - ps3fb_flip_ctl(1); /* flip on */ + ps3av_flip_ctl(1); /* flip on */ return res; } @@ -987,34 +1003,3 @@ void ps3av_cmd_av_monitor_info_dump(const struct ps3av_pkt_av_get_monitor_info * | PS3AV_CMD_AV_LAYOUT_176 \ | PS3AV_CMD_AV_LAYOUT_192) -/************************* vuart ***************************/ - -#define POLLING_INTERVAL 25 /* in msec */ - -int ps3av_vuart_write(struct ps3_vuart_port_device *dev, const void *buf, - unsigned long size) -{ - int error = ps3_vuart_write(dev, buf, size); - return error ? error : size; -} - -int ps3av_vuart_read(struct ps3_vuart_port_device *dev, void *buf, - unsigned long size, int timeout) -{ - int error; - int loopcnt = 0; - - timeout = (timeout + POLLING_INTERVAL - 1) / POLLING_INTERVAL; - while (loopcnt++ <= timeout) { - error = ps3_vuart_read(dev, buf, size); - if (!error) - return size; - if (error != -EAGAIN) { - printk(KERN_ERR "%s: ps3_vuart_read failed %d\n", - __func__, error); - return error; - } - msleep(POLLING_INTERVAL); - } - return -EWOULDBLOCK; -} diff --git a/drivers/ps3/ps3stor_lib.c b/drivers/ps3/ps3stor_lib.c new file mode 100644 index 00000000000..3a9824e3b25 --- /dev/null +++ b/drivers/ps3/ps3stor_lib.c @@ -0,0 +1,302 @@ +/* + * PS3 Storage Library + * + * Copyright (C) 2007 Sony Computer Entertainment Inc. + * Copyright 2007 Sony Corp. + * + * 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; version 2 of the License. + * + * 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 Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include <linux/dma-mapping.h> + +#include <asm/lv1call.h> +#include <asm/ps3stor.h> + + +static int ps3stor_probe_access(struct ps3_storage_device *dev) +{ + int res, error; + unsigned int i; + unsigned long n; + + if (dev->sbd.match_id == PS3_MATCH_ID_STOR_ROM) { + /* special case: CD-ROM is assumed always accessible */ + dev->accessible_regions = 1; + return 0; + } + + error = -EPERM; + for (i = 0; i < dev->num_regions; i++) { + dev_dbg(&dev->sbd.core, + "%s:%u: checking accessibility of region %u\n", + __func__, __LINE__, i); + + dev->region_idx = i; + res = ps3stor_read_write_sectors(dev, dev->bounce_lpar, 0, 1, + 0); + if (res) { + dev_dbg(&dev->sbd.core, "%s:%u: read failed, " + "region %u is not accessible\n", __func__, + __LINE__, i); + continue; + } + + dev_dbg(&dev->sbd.core, "%s:%u: region %u is accessible\n", + __func__, __LINE__, i); + set_bit(i, &dev->accessible_regions); + + /* We can access at least one region */ + error = 0; + } + if (error) + return error; + + n = hweight_long(dev->accessible_regions); + if (n > 1) + dev_info(&dev->sbd.core, + "%s:%u: %lu accessible regions found. Only the first " + "one will be used", + __func__, __LINE__, n); + dev->region_idx = __ffs(dev->accessible_regions); + dev_info(&dev->sbd.core, + "First accessible region has index %u start %lu size %lu\n", + dev->region_idx, dev->regions[dev->region_idx].start, + dev->regions[dev->region_idx].size); + + return 0; +} + + +/** + * ps3stor_setup - Setup a storage device before use + * @dev: Pointer to a struct ps3_storage_device + * @handler: Pointer to an interrupt handler + * + * Returns 0 for success, or an error code + */ +int ps3stor_setup(struct ps3_storage_device *dev, irq_handler_t handler) +{ + int error, res, alignment; + enum ps3_dma_page_size page_size; + + error = ps3_open_hv_device(&dev->sbd); + if (error) { + dev_err(&dev->sbd.core, + "%s:%u: ps3_open_hv_device failed %d\n", __func__, + __LINE__, error); + goto fail; + } + + error = ps3_sb_event_receive_port_setup(&dev->sbd, PS3_BINDING_CPU_ANY, + &dev->irq); + if (error) { + dev_err(&dev->sbd.core, + "%s:%u: ps3_sb_event_receive_port_setup failed %d\n", + __func__, __LINE__, error); + goto fail_close_device; + } + + error = request_irq(dev->irq, handler, IRQF_DISABLED, + dev->sbd.core.driver->name, dev); + if (error) { + dev_err(&dev->sbd.core, "%s:%u: request_irq failed %d\n", + __func__, __LINE__, error); + goto fail_sb_event_receive_port_destroy; + } + + alignment = min(__ffs(dev->bounce_size), + __ffs((unsigned long)dev->bounce_buf)); + if (alignment < 12) { + dev_err(&dev->sbd.core, + "%s:%u: bounce buffer not aligned (%lx at 0x%p)\n", + __func__, __LINE__, dev->bounce_size, dev->bounce_buf); + error = -EINVAL; + goto fail_free_irq; + } else if (alignment < 16) + page_size = PS3_DMA_4K; + else + page_size = PS3_DMA_64K; + dev->sbd.d_region = &dev->dma_region; + ps3_dma_region_init(&dev->sbd, &dev->dma_region, page_size, + PS3_DMA_OTHER, dev->bounce_buf, dev->bounce_size); + res = ps3_dma_region_create(&dev->dma_region); + if (res) { + dev_err(&dev->sbd.core, "%s:%u: cannot create DMA region\n", + __func__, __LINE__); + error = -ENOMEM; + goto fail_free_irq; + } + + dev->bounce_lpar = ps3_mm_phys_to_lpar(__pa(dev->bounce_buf)); + dev->bounce_dma = dma_map_single(&dev->sbd.core, dev->bounce_buf, + dev->bounce_size, DMA_BIDIRECTIONAL); + if (!dev->bounce_dma) { + dev_err(&dev->sbd.core, "%s:%u: map DMA region failed\n", + __func__, __LINE__); + error = -ENODEV; + goto fail_free_dma; + } + + error = ps3stor_probe_access(dev); + if (error) { + dev_err(&dev->sbd.core, "%s:%u: No accessible regions found\n", + __func__, __LINE__); + goto fail_unmap_dma; + } + return 0; + +fail_unmap_dma: + dma_unmap_single(&dev->sbd.core, dev->bounce_dma, dev->bounce_size, + DMA_BIDIRECTIONAL); +fail_free_dma: + ps3_dma_region_free(&dev->dma_region); +fail_free_irq: + free_irq(dev->irq, dev); +fail_sb_event_receive_port_destroy: + ps3_sb_event_receive_port_destroy(&dev->sbd, dev->irq); +fail_close_device: + ps3_close_hv_device(&dev->sbd); +fail: + return error; +} +EXPORT_SYMBOL_GPL(ps3stor_setup); + + +/** + * ps3stor_teardown - Tear down a storage device after use + * @dev: Pointer to a struct ps3_storage_device + */ +void ps3stor_teardown(struct ps3_storage_device *dev) +{ + int error; + + dma_unmap_single(&dev->sbd.core, dev->bounce_dma, dev->bounce_size, + DMA_BIDIRECTIONAL); + ps3_dma_region_free(&dev->dma_region); + + free_irq(dev->irq, dev); + + error = ps3_sb_event_receive_port_destroy(&dev->sbd, dev->irq); + if (error) + dev_err(&dev->sbd.core, + "%s:%u: destroy event receive port failed %d\n", + __func__, __LINE__, error); + + error = ps3_close_hv_device(&dev->sbd); + if (error) + dev_err(&dev->sbd.core, + "%s:%u: ps3_close_hv_device failed %d\n", __func__, + __LINE__, error); +} +EXPORT_SYMBOL_GPL(ps3stor_teardown); + + +/** + * ps3stor_read_write_sectors - read/write from/to a storage device + * @dev: Pointer to a struct ps3_storage_device + * @lpar: HV logical partition address + * @start_sector: First sector to read/write + * @sectors: Number of sectors to read/write + * @write: Flag indicating write (non-zero) or read (zero) + * + * Returns 0 for success, -1 in case of failure to submit the command, or + * an LV1 status value in case of other errors + */ +u64 ps3stor_read_write_sectors(struct ps3_storage_device *dev, u64 lpar, + u64 start_sector, u64 sectors, int write) +{ + unsigned int region_id = dev->regions[dev->region_idx].id; + const char *op = write ? "write" : "read"; + int res; + + dev_dbg(&dev->sbd.core, "%s:%u: %s %lu sectors starting at %lu\n", + __func__, __LINE__, op, sectors, start_sector); + + init_completion(&dev->done); + res = write ? lv1_storage_write(dev->sbd.dev_id, region_id, + start_sector, sectors, 0, lpar, + &dev->tag) + : lv1_storage_read(dev->sbd.dev_id, region_id, + start_sector, sectors, 0, lpar, + &dev->tag); + if (res) { + dev_dbg(&dev->sbd.core, "%s:%u: %s failed %d\n", __func__, + __LINE__, op, res); + return -1; + } + + wait_for_completion(&dev->done); + if (dev->lv1_status) { + dev_dbg(&dev->sbd.core, "%s:%u: %s failed 0x%lx\n", __func__, + __LINE__, op, dev->lv1_status); + return dev->lv1_status; + } + + dev_dbg(&dev->sbd.core, "%s:%u: %s completed\n", __func__, __LINE__, + op); + + return 0; +} +EXPORT_SYMBOL_GPL(ps3stor_read_write_sectors); + + +/** + * ps3stor_send_command - send a device command to a storage device + * @dev: Pointer to a struct ps3_storage_device + * @cmd: Command number + * @arg1: First command argument + * @arg2: Second command argument + * @arg3: Third command argument + * @arg4: Fourth command argument + * + * Returns 0 for success, -1 in case of failure to submit the command, or + * an LV1 status value in case of other errors + */ +u64 ps3stor_send_command(struct ps3_storage_device *dev, u64 cmd, u64 arg1, + u64 arg2, u64 arg3, u64 arg4) +{ + int res; + + dev_dbg(&dev->sbd.core, "%s:%u: send device command 0x%lx\n", __func__, + __LINE__, cmd); + + init_completion(&dev->done); + + res = lv1_storage_send_device_command(dev->sbd.dev_id, cmd, arg1, + arg2, arg3, arg4, &dev->tag); + if (res) { + dev_err(&dev->sbd.core, + "%s:%u: send_device_command 0x%lx failed %d\n", + __func__, __LINE__, cmd, res); + return -1; + } + + wait_for_completion(&dev->done); + if (dev->lv1_status) { + dev_dbg(&dev->sbd.core, "%s:%u: command 0x%lx failed 0x%lx\n", + __func__, __LINE__, cmd, dev->lv1_status); + return dev->lv1_status; + } + + dev_dbg(&dev->sbd.core, "%s:%u: command 0x%lx completed\n", __func__, + __LINE__, cmd); + + return 0; +} +EXPORT_SYMBOL_GPL(ps3stor_send_command); + + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("PS3 Storage Bus Library"); +MODULE_AUTHOR("Sony Corporation"); diff --git a/drivers/ps3/sys-manager-core.c b/drivers/ps3/sys-manager-core.c new file mode 100644 index 00000000000..31648f7d9ae --- /dev/null +++ b/drivers/ps3/sys-manager-core.c @@ -0,0 +1,68 @@ +/* + * PS3 System Manager core. + * + * Copyright (C) 2007 Sony Computer Entertainment Inc. + * Copyright 2007 Sony Corp. + * + * 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; version 2 of the License. + * + * 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 <asm/ps3.h> + +/** + * Staticly linked routines that allow late binding of a loaded sys-manager + * module. + */ + +static struct ps3_sys_manager_ops ps3_sys_manager_ops; + +/** + * ps3_register_sys_manager_ops - Bind ps3_sys_manager_ops to a module. + * @ops: struct ps3_sys_manager_ops. + * + * To be called from ps3_sys_manager_probe() and ps3_sys_manager_remove() to + * register call back ops for power control. Copies data to the static + * variable ps3_sys_manager_ops. + */ + +void ps3_sys_manager_register_ops(const struct ps3_sys_manager_ops *ops) +{ + BUG_ON(!ops); + BUG_ON(!ops->dev); + ps3_sys_manager_ops = ops ? *ops : ps3_sys_manager_ops; +} +EXPORT_SYMBOL_GPL(ps3_sys_manager_register_ops); + +void ps3_sys_manager_power_off(void) +{ + if (ps3_sys_manager_ops.power_off) + ps3_sys_manager_ops.power_off(ps3_sys_manager_ops.dev); + + printk(KERN_EMERG "System Halted, OK to turn off power\n"); + local_irq_disable(); + while (1) + (void)0; +} + +void ps3_sys_manager_restart(void) +{ + if (ps3_sys_manager_ops.restart) + ps3_sys_manager_ops.restart(ps3_sys_manager_ops.dev); + + printk(KERN_EMERG "System Halted, OK to turn off power\n"); + local_irq_disable(); + while (1) + (void)0; +} diff --git a/drivers/ps3/sys-manager.c b/drivers/ps3/sys-manager.c index 3aa2b0dcc36..8461b08ab9f 100644 --- a/drivers/ps3/sys-manager.c +++ b/drivers/ps3/sys-manager.c @@ -35,7 +35,7 @@ MODULE_DESCRIPTION("PS3 System Manager"); /** * ps3_sys_manager - PS3 system manager driver. * - * The system manager provides an asyncronous system event notification + * The system manager provides an asynchronous system event notification * mechanism for reporting events like thermal alert and button presses to * guests. It also provides support to control system shutdown and startup. * @@ -52,6 +52,7 @@ MODULE_DESCRIPTION("PS3 System Manager"); * @size: Header size in bytes, curently 16. * @payload_size: Message payload size in bytes. * @service_id: Message type, one of enum ps3_sys_manager_service_id. + * @request_tag: Unique number to identify reply. */ struct ps3_sys_manager_header { @@ -61,29 +62,49 @@ struct ps3_sys_manager_header { u16 reserved_1; u32 payload_size; u16 service_id; - u16 reserved_2[3]; + u16 reserved_2; + u32 request_tag; }; +#define dump_sm_header(_h) _dump_sm_header(_h, __func__, __LINE__) +static void __maybe_unused _dump_sm_header( + const struct ps3_sys_manager_header *h, const char *func, int line) +{ + pr_debug("%s:%d: version: %xh\n", func, line, h->version); + pr_debug("%s:%d: size: %xh\n", func, line, h->size); + pr_debug("%s:%d: payload_size: %xh\n", func, line, h->payload_size); + pr_debug("%s:%d: service_id: %xh\n", func, line, h->service_id); + pr_debug("%s:%d: request_tag: %xh\n", func, line, h->request_tag); +} + /** - * @PS3_SM_RX_MSG_LEN - System manager received message length. + * @PS3_SM_RX_MSG_LEN_MIN - Shortest received message length. + * @PS3_SM_RX_MSG_LEN_MAX - Longest received message length. * - * Currently all messages received from the system manager are the same length - * (16 bytes header + 16 bytes payload = 32 bytes). This knowlege is used to - * simplify the logic. + * Currently all messages received from the system manager are either + * (16 bytes header + 8 bytes payload = 24 bytes) or (16 bytes header + * + 16 bytes payload = 32 bytes). This knowlege is used to simplify + * the logic. */ enum { - PS3_SM_RX_MSG_LEN = 32, + PS3_SM_RX_MSG_LEN_MIN = 24, + PS3_SM_RX_MSG_LEN_MAX = 32, }; /** * enum ps3_sys_manager_service_id - Message header service_id. - * @PS3_SM_SERVICE_ID_REQUEST: guest --> sys_manager. - * @PS3_SM_SERVICE_ID_COMMAND: guest <-- sys_manager. - * @PS3_SM_SERVICE_ID_RESPONSE: guest --> sys_manager. - * @PS3_SM_SERVICE_ID_SET_ATTR: guest --> sys_manager. - * @PS3_SM_SERVICE_ID_EXTERN_EVENT: guest <-- sys_manager. - * @PS3_SM_SERVICE_ID_SET_NEXT_OP: guest --> sys_manager. + * @PS3_SM_SERVICE_ID_REQUEST: guest --> sys_manager. + * @PS3_SM_SERVICE_ID_REQUEST_ERROR: guest <-- sys_manager. + * @PS3_SM_SERVICE_ID_COMMAND: guest <-- sys_manager. + * @PS3_SM_SERVICE_ID_RESPONSE: guest --> sys_manager. + * @PS3_SM_SERVICE_ID_SET_ATTR: guest --> sys_manager. + * @PS3_SM_SERVICE_ID_EXTERN_EVENT: guest <-- sys_manager. + * @PS3_SM_SERVICE_ID_SET_NEXT_OP: guest --> sys_manager. + * + * PS3_SM_SERVICE_ID_REQUEST_ERROR is returned for invalid data values in a + * a PS3_SM_SERVICE_ID_REQUEST message. It also seems to be returned when + * a REQUEST message is sent at the wrong time. */ enum ps3_sys_manager_service_id { @@ -93,6 +114,7 @@ enum ps3_sys_manager_service_id { PS3_SM_SERVICE_ID_COMMAND = 3, PS3_SM_SERVICE_ID_EXTERN_EVENT = 4, PS3_SM_SERVICE_ID_SET_NEXT_OP = 5, + PS3_SM_SERVICE_ID_REQUEST_ERROR = 6, PS3_SM_SERVICE_ID_SET_ATTR = 8, }; @@ -185,11 +207,21 @@ enum ps3_sys_manager_cmd { }; /** + * ps3_sm_force_power_off - Poweroff helper. + * + * A global variable used to force a poweroff when the power button has + * been pressed irrespective of how init handles the ctrl_alt_del signal. + * + */ + +static unsigned int ps3_sm_force_power_off; + +/** * ps3_sys_manager_write - Helper to write a two part message to the vuart. * */ -static int ps3_sys_manager_write(struct ps3_vuart_port_device *dev, +static int ps3_sys_manager_write(struct ps3_system_bus_device *dev, const struct ps3_sys_manager_header *header, const void *payload) { int result; @@ -213,15 +245,10 @@ static int ps3_sys_manager_write(struct ps3_vuart_port_device *dev, * */ -static int ps3_sys_manager_send_attr(struct ps3_vuart_port_device *dev, +static int ps3_sys_manager_send_attr(struct ps3_system_bus_device *dev, enum ps3_sys_manager_attr attr) { - static const struct ps3_sys_manager_header header = { - .version = 1, - .size = 16, - .payload_size = 16, - .service_id = PS3_SM_SERVICE_ID_SET_ATTR, - }; + struct ps3_sys_manager_header header; struct { u8 version; u8 reserved_1[3]; @@ -232,6 +259,12 @@ static int ps3_sys_manager_send_attr(struct ps3_vuart_port_device *dev, dev_dbg(&dev->core, "%s:%d: %xh\n", __func__, __LINE__, attr); + memset(&header, 0, sizeof(header)); + header.version = 1; + header.size = 16; + header.payload_size = 16; + header.service_id = PS3_SM_SERVICE_ID_SET_ATTR; + memset(&payload, 0, sizeof(payload)); payload.version = 1; payload.attribute = attr; @@ -245,16 +278,11 @@ static int ps3_sys_manager_send_attr(struct ps3_vuart_port_device *dev, * Tell the system manager what to do after this lpar is destroyed. */ -static int ps3_sys_manager_send_next_op(struct ps3_vuart_port_device *dev, +static int ps3_sys_manager_send_next_op(struct ps3_system_bus_device *dev, enum ps3_sys_manager_next_op op, enum ps3_sys_manager_wake_source wake_source) { - static const struct ps3_sys_manager_header header = { - .version = 1, - .size = 16, - .payload_size = 16, - .service_id = PS3_SM_SERVICE_ID_SET_NEXT_OP, - }; + struct ps3_sys_manager_header header; struct { u8 version; u8 type; @@ -268,6 +296,12 @@ static int ps3_sys_manager_send_next_op(struct ps3_vuart_port_device *dev, dev_dbg(&dev->core, "%s:%d: (%xh)\n", __func__, __LINE__, op); + memset(&header, 0, sizeof(header)); + header.version = 1; + header.size = 16; + header.payload_size = 16; + header.service_id = PS3_SM_SERVICE_ID_SET_NEXT_OP; + memset(&payload, 0, sizeof(payload)); payload.version = 3; payload.type = op; @@ -286,32 +320,35 @@ static int ps3_sys_manager_send_next_op(struct ps3_vuart_port_device *dev, * the command is then communicated back to the system manager with a response * message. * - * Currently, the only supported request it the 'shutdown self' request. + * Currently, the only supported request is the 'shutdown self' request. */ -static int ps3_sys_manager_send_request_shutdown(struct ps3_vuart_port_device *dev) +static int ps3_sys_manager_send_request_shutdown( + struct ps3_system_bus_device *dev) { - static const struct ps3_sys_manager_header header = { - .version = 1, - .size = 16, - .payload_size = 16, - .service_id = PS3_SM_SERVICE_ID_REQUEST, - }; + struct ps3_sys_manager_header header; struct { u8 version; u8 type; u8 gos_id; u8 reserved_1[13]; - } static const payload = { - .version = 1, - .type = 1, /* shutdown */ - .gos_id = 0, /* self */ - }; + } payload; BUILD_BUG_ON(sizeof(payload) != 16); dev_dbg(&dev->core, "%s:%d\n", __func__, __LINE__); + memset(&header, 0, sizeof(header)); + header.version = 1; + header.size = 16; + header.payload_size = 16; + header.service_id = PS3_SM_SERVICE_ID_REQUEST; + + memset(&payload, 0, sizeof(payload)); + payload.version = 1; + payload.type = 1; /* shutdown */ + payload.gos_id = 0; /* self */ + return ps3_sys_manager_write(dev, &header, &payload); } @@ -323,15 +360,10 @@ static int ps3_sys_manager_send_request_shutdown(struct ps3_vuart_port_device *d * failure of a command sent by the system manager. */ -static int ps3_sys_manager_send_response(struct ps3_vuart_port_device *dev, +static int ps3_sys_manager_send_response(struct ps3_system_bus_device *dev, u64 status) { - static const struct ps3_sys_manager_header header = { - .version = 1, - .size = 16, - .payload_size = 16, - .service_id = PS3_SM_SERVICE_ID_RESPONSE, - }; + struct ps3_sys_manager_header header; struct { u8 version; u8 reserved_1[3]; @@ -344,6 +376,12 @@ static int ps3_sys_manager_send_response(struct ps3_vuart_port_device *dev, dev_dbg(&dev->core, "%s:%d: (%s)\n", __func__, __LINE__, (status ? "nak" : "ack")); + memset(&header, 0, sizeof(header)); + header.version = 1; + header.size = 16; + header.payload_size = 16; + header.service_id = PS3_SM_SERVICE_ID_RESPONSE; + memset(&payload, 0, sizeof(payload)); payload.version = 1; payload.status = status; @@ -356,7 +394,7 @@ static int ps3_sys_manager_send_response(struct ps3_vuart_port_device *dev, * */ -static int ps3_sys_manager_handle_event(struct ps3_vuart_port_device *dev) +static int ps3_sys_manager_handle_event(struct ps3_system_bus_device *dev) { int result; struct { @@ -370,7 +408,7 @@ static int ps3_sys_manager_handle_event(struct ps3_vuart_port_device *dev) BUILD_BUG_ON(sizeof(event) != 16); result = ps3_vuart_read(dev, &event, sizeof(event)); - BUG_ON(result); + BUG_ON(result && "need to retry here"); if (event.version != 1) { dev_dbg(&dev->core, "%s:%d: unsupported event version (%u)\n", @@ -382,11 +420,34 @@ static int ps3_sys_manager_handle_event(struct ps3_vuart_port_device *dev) case PS3_SM_EVENT_POWER_PRESSED: dev_dbg(&dev->core, "%s:%d: POWER_PRESSED\n", __func__, __LINE__); + ps3_sm_force_power_off = 1; + /* + * A memory barrier is use here to sync memory since + * ps3_sys_manager_final_restart() could be called on + * another cpu. + */ + wmb(); + kill_cad_pid(SIGINT, 1); /* ctrl_alt_del */ break; case PS3_SM_EVENT_POWER_RELEASED: dev_dbg(&dev->core, "%s:%d: POWER_RELEASED (%u ms)\n", __func__, __LINE__, event.value); - kill_cad_pid(SIGINT, 1); + break; + case PS3_SM_EVENT_RESET_PRESSED: + dev_dbg(&dev->core, "%s:%d: RESET_PRESSED\n", + __func__, __LINE__); + ps3_sm_force_power_off = 0; + /* + * A memory barrier is use here to sync memory since + * ps3_sys_manager_final_restart() could be called on + * another cpu. + */ + wmb(); + kill_cad_pid(SIGINT, 1); /* ctrl_alt_del */ + break; + case PS3_SM_EVENT_RESET_RELEASED: + dev_dbg(&dev->core, "%s:%d: RESET_RELEASED (%u ms)\n", + __func__, __LINE__, event.value); break; case PS3_SM_EVENT_THERMAL_ALERT: dev_dbg(&dev->core, "%s:%d: THERMAL_ALERT (zone %u)\n", @@ -411,7 +472,7 @@ static int ps3_sys_manager_handle_event(struct ps3_vuart_port_device *dev) * The system manager sends this in reply to a 'request' message from the guest. */ -static int ps3_sys_manager_handle_cmd(struct ps3_vuart_port_device *dev) +static int ps3_sys_manager_handle_cmd(struct ps3_system_bus_device *dev) { int result; struct { @@ -425,6 +486,7 @@ static int ps3_sys_manager_handle_cmd(struct ps3_vuart_port_device *dev) dev_dbg(&dev->core, "%s:%d\n", __func__, __LINE__); result = ps3_vuart_read(dev, &cmd, sizeof(cmd)); + BUG_ON(result && "need to retry here"); if(result) return result; @@ -448,9 +510,10 @@ static int ps3_sys_manager_handle_cmd(struct ps3_vuart_port_device *dev) /** * ps3_sys_manager_handle_msg - First stage msg handler. * + * Can be called directly to manually poll vuart and pump message handler. */ -static int ps3_sys_manager_handle_msg(struct ps3_vuart_port_device *dev) +static int ps3_sys_manager_handle_msg(struct ps3_system_bus_device *dev) { int result; struct ps3_sys_manager_header header; @@ -464,12 +527,17 @@ static int ps3_sys_manager_handle_msg(struct ps3_vuart_port_device *dev) if (header.version != 1) { dev_dbg(&dev->core, "%s:%d: unsupported header version (%u)\n", __func__, __LINE__, header.version); + dump_sm_header(&header); goto fail_header; } BUILD_BUG_ON(sizeof(header) != 16); - BUG_ON(header.size != 16); - BUG_ON(header.payload_size != 16); + + if (header.size != 16 || (header.payload_size != 8 + && header.payload_size != 16)) { + dump_sm_header(&header); + BUG(); + } switch (header.service_id) { case PS3_SM_SERVICE_ID_EXTERN_EVENT: @@ -478,6 +546,11 @@ static int ps3_sys_manager_handle_msg(struct ps3_vuart_port_device *dev) case PS3_SM_SERVICE_ID_COMMAND: dev_dbg(&dev->core, "%s:%d: COMMAND\n", __func__, __LINE__); return ps3_sys_manager_handle_cmd(dev); + case PS3_SM_SERVICE_ID_REQUEST_ERROR: + dev_dbg(&dev->core, "%s:%d: REQUEST_ERROR\n", __func__, + __LINE__); + dump_sm_header(&header); + break; default: dev_dbg(&dev->core, "%s:%d: unknown service_id (%u)\n", __func__, __LINE__, header.service_id); @@ -494,45 +567,25 @@ fail_id: } /** - * ps3_sys_manager_work - Asyncronous read handler. - * - * Signaled when a complete message arrives at the vuart port. - */ - -static void ps3_sys_manager_work(struct work_struct *work) -{ - struct ps3_vuart_port_device *dev = ps3_vuart_work_to_port_device(work); - - ps3_sys_manager_handle_msg(dev); - ps3_vuart_read_async(dev, ps3_sys_manager_work, PS3_SM_RX_MSG_LEN); -} - -struct { - struct ps3_vuart_port_device *dev; -} static drv_priv; - -/** - * ps3_sys_manager_restart - The final platform machine_restart routine. + * ps3_sys_manager_final_power_off - The final platform machine_power_off routine. * - * This routine never returns. The routine disables asyncronous vuart reads + * This routine never returns. The routine disables asynchronous vuart reads * then spins calling ps3_sys_manager_handle_msg() to receive and acknowledge * the shutdown command sent from the system manager. Soon after the * acknowledgement is sent the lpar is destroyed by the HV. This routine - * should only be called from ps3_restart(). + * should only be called from ps3_power_off() through + * ps3_sys_manager_ops.power_off. */ -void ps3_sys_manager_restart(void) +static void ps3_sys_manager_final_power_off(struct ps3_system_bus_device *dev) { - struct ps3_vuart_port_device *dev = drv_priv.dev; - - BUG_ON(!drv_priv.dev); + BUG_ON(!dev); dev_dbg(&dev->core, "%s:%d\n", __func__, __LINE__); ps3_vuart_cancel_async(dev); - ps3_sys_manager_send_attr(dev, 0); - ps3_sys_manager_send_next_op(dev, PS3_SM_NEXT_OP_LPAR_REBOOT, + ps3_sys_manager_send_next_op(dev, PS3_SM_NEXT_OP_SYS_SHUTDOWN, PS3_SM_WAKE_DEFAULT); ps3_sys_manager_send_request_shutdown(dev); @@ -543,26 +596,33 @@ void ps3_sys_manager_restart(void) } /** - * ps3_sys_manager_power_off - The final platform machine_power_off routine. + * ps3_sys_manager_final_restart - The final platform machine_restart routine. * - * This routine never returns. The routine disables asyncronous vuart reads + * This routine never returns. The routine disables asynchronous vuart reads * then spins calling ps3_sys_manager_handle_msg() to receive and acknowledge * the shutdown command sent from the system manager. Soon after the * acknowledgement is sent the lpar is destroyed by the HV. This routine - * should only be called from ps3_power_off(). + * should only be called from ps3_restart() through ps3_sys_manager_ops.restart. */ -void ps3_sys_manager_power_off(void) +static void ps3_sys_manager_final_restart(struct ps3_system_bus_device *dev) { - struct ps3_vuart_port_device *dev = drv_priv.dev; - - BUG_ON(!drv_priv.dev); + BUG_ON(!dev); dev_dbg(&dev->core, "%s:%d\n", __func__, __LINE__); + /* Check if we got here via a power button event. */ + + if (ps3_sm_force_power_off) { + dev_dbg(&dev->core, "%s:%d: forcing poweroff\n", + __func__, __LINE__); + ps3_sys_manager_final_power_off(dev); + } + ps3_vuart_cancel_async(dev); - ps3_sys_manager_send_next_op(dev, PS3_SM_NEXT_OP_SYS_SHUTDOWN, + ps3_sys_manager_send_attr(dev, 0); + ps3_sys_manager_send_next_op(dev, PS3_SM_NEXT_OP_LPAR_REBOOT, PS3_SM_WAKE_DEFAULT); ps3_sys_manager_send_request_shutdown(dev); @@ -572,31 +632,60 @@ void ps3_sys_manager_power_off(void) ps3_sys_manager_handle_msg(dev); } -static int ps3_sys_manager_probe(struct ps3_vuart_port_device *dev) +/** + * ps3_sys_manager_work - Asynchronous read handler. + * + * Signaled when PS3_SM_RX_MSG_LEN_MIN bytes arrive at the vuart port. + */ + +static void ps3_sys_manager_work(struct ps3_system_bus_device *dev) +{ + ps3_sys_manager_handle_msg(dev); + ps3_vuart_read_async(dev, PS3_SM_RX_MSG_LEN_MIN); +} + +static int ps3_sys_manager_probe(struct ps3_system_bus_device *dev) { int result; + struct ps3_sys_manager_ops ops; dev_dbg(&dev->core, "%s:%d\n", __func__, __LINE__); - BUG_ON(drv_priv.dev); - drv_priv.dev = dev; + ops.power_off = ps3_sys_manager_final_power_off; + ops.restart = ps3_sys_manager_final_restart; + ops.dev = dev; + + /* ps3_sys_manager_register_ops copies ops. */ + + ps3_sys_manager_register_ops(&ops); result = ps3_sys_manager_send_attr(dev, PS3_SM_ATTR_ALL); BUG_ON(result); - result = ps3_vuart_read_async(dev, ps3_sys_manager_work, - PS3_SM_RX_MSG_LEN); + result = ps3_vuart_read_async(dev, PS3_SM_RX_MSG_LEN_MIN); BUG_ON(result); return result; } +static int ps3_sys_manager_remove(struct ps3_system_bus_device *dev) +{ + dev_dbg(&dev->core, "%s:%d\n", __func__, __LINE__); + return 0; +} + +static void ps3_sys_manager_shutdown(struct ps3_system_bus_device *dev) +{ + dev_dbg(&dev->core, "%s:%d\n", __func__, __LINE__); +} + static struct ps3_vuart_port_driver ps3_sys_manager = { - .match_id = PS3_MATCH_ID_SYSTEM_MANAGER, - .core = { - .name = "ps3_sys_manager", - }, + .core.match_id = PS3_MATCH_ID_SYSTEM_MANAGER, + .core.core.name = "ps3_sys_manager", .probe = ps3_sys_manager_probe, + .remove = ps3_sys_manager_remove, + .shutdown = ps3_sys_manager_shutdown, + .work = ps3_sys_manager_work, }; static int __init ps3_sys_manager_init(void) @@ -608,3 +697,6 @@ static int __init ps3_sys_manager_init(void) } module_init(ps3_sys_manager_init); +/* Module remove not supported. */ + +MODULE_ALIAS(PS3_MODULE_ALIAS_SYSTEM_MANAGER); diff --git a/drivers/ps3/vuart.c b/drivers/ps3/vuart.c index ec2d36a1bc6..bea25a1391e 100644 --- a/drivers/ps3/vuart.c +++ b/drivers/ps3/vuart.c @@ -71,6 +71,34 @@ enum vuart_interrupt_mask { }; /** + * struct ps3_vuart_port_priv - private vuart device data. + */ + +struct ps3_vuart_port_priv { + u64 interrupt_mask; + + struct { + spinlock_t lock; + struct list_head head; + } tx_list; + struct { + struct ps3_vuart_work work; + unsigned long bytes_held; + spinlock_t lock; + struct list_head head; + } rx_list; + struct ps3_vuart_stats stats; +}; + +static struct ps3_vuart_port_priv *to_port_priv( + struct ps3_system_bus_device *dev) +{ + BUG_ON(!dev); + BUG_ON(!dev->driver_priv); + return (struct ps3_vuart_port_priv *)dev->driver_priv; +} + +/** * struct ports_bmp - bitmap indicating ports needing service. * * A 256 bit read only bitmap indicating ports needing service. Do not write @@ -83,31 +111,14 @@ struct ports_bmp { } __attribute__ ((aligned (32))); #define dump_ports_bmp(_b) _dump_ports_bmp(_b, __func__, __LINE__) -static void __attribute__ ((unused)) _dump_ports_bmp( +static void __maybe_unused _dump_ports_bmp( const struct ports_bmp* bmp, const char* func, int line) { pr_debug("%s:%d: ports_bmp: %016lxh\n", func, line, bmp->status); } -static int ps3_vuart_match_id_to_port(enum ps3_match_id match_id, - unsigned int *port_number) -{ - switch(match_id) { - case PS3_MATCH_ID_AV_SETTINGS: - *port_number = 0; - return 0; - case PS3_MATCH_ID_SYSTEM_MANAGER: - *port_number = 2; - return 0; - default: - WARN_ON(1); - *port_number = UINT_MAX; - return -EINVAL; - }; -} - #define dump_port_params(_b) _dump_port_params(_b, __func__, __LINE__) -static void __attribute__ ((unused)) _dump_port_params(unsigned int port_number, +static void __maybe_unused _dump_port_params(unsigned int port_number, const char* func, int line) { #if defined(DEBUG) @@ -144,14 +155,14 @@ struct vuart_triggers { unsigned long tx; }; -int ps3_vuart_get_triggers(struct ps3_vuart_port_device *dev, +int ps3_vuart_get_triggers(struct ps3_system_bus_device *dev, struct vuart_triggers *trig) { int result; unsigned long size; unsigned long val; - result = lv1_get_virtual_uart_param(dev->priv->port_number, + result = lv1_get_virtual_uart_param(dev->port_number, PARAM_TX_TRIGGER, &trig->tx); if (result) { @@ -160,7 +171,7 @@ int ps3_vuart_get_triggers(struct ps3_vuart_port_device *dev, return result; } - result = lv1_get_virtual_uart_param(dev->priv->port_number, + result = lv1_get_virtual_uart_param(dev->port_number, PARAM_RX_BUF_SIZE, &size); if (result) { @@ -169,7 +180,7 @@ int ps3_vuart_get_triggers(struct ps3_vuart_port_device *dev, return result; } - result = lv1_get_virtual_uart_param(dev->priv->port_number, + result = lv1_get_virtual_uart_param(dev->port_number, PARAM_RX_TRIGGER, &val); if (result) { @@ -186,13 +197,13 @@ int ps3_vuart_get_triggers(struct ps3_vuart_port_device *dev, return result; } -int ps3_vuart_set_triggers(struct ps3_vuart_port_device *dev, unsigned int tx, +int ps3_vuart_set_triggers(struct ps3_system_bus_device *dev, unsigned int tx, unsigned int rx) { int result; unsigned long size; - result = lv1_set_virtual_uart_param(dev->priv->port_number, + result = lv1_set_virtual_uart_param(dev->port_number, PARAM_TX_TRIGGER, tx); if (result) { @@ -201,7 +212,7 @@ int ps3_vuart_set_triggers(struct ps3_vuart_port_device *dev, unsigned int tx, return result; } - result = lv1_get_virtual_uart_param(dev->priv->port_number, + result = lv1_get_virtual_uart_param(dev->port_number, PARAM_RX_BUF_SIZE, &size); if (result) { @@ -210,7 +221,7 @@ int ps3_vuart_set_triggers(struct ps3_vuart_port_device *dev, unsigned int tx, return result; } - result = lv1_set_virtual_uart_param(dev->priv->port_number, + result = lv1_set_virtual_uart_param(dev->port_number, PARAM_RX_TRIGGER, size - rx); if (result) { @@ -225,10 +236,12 @@ int ps3_vuart_set_triggers(struct ps3_vuart_port_device *dev, unsigned int tx, return result; } -static int ps3_vuart_get_rx_bytes_waiting(struct ps3_vuart_port_device *dev, +static int ps3_vuart_get_rx_bytes_waiting(struct ps3_system_bus_device *dev, u64 *bytes_waiting) { - int result = lv1_get_virtual_uart_param(dev->priv->port_number, + int result; + + result = lv1_get_virtual_uart_param(dev->port_number, PARAM_RX_BYTES, bytes_waiting); if (result) @@ -240,17 +253,24 @@ static int ps3_vuart_get_rx_bytes_waiting(struct ps3_vuart_port_device *dev, return result; } -static int ps3_vuart_set_interrupt_mask(struct ps3_vuart_port_device *dev, +/** + * ps3_vuart_set_interrupt_mask - Enable/disable the port interrupt sources. + * @dev: The struct ps3_system_bus_device instance. + * @bmp: Logical OR of enum vuart_interrupt_mask values. A zero bit disables. + */ + +static int ps3_vuart_set_interrupt_mask(struct ps3_system_bus_device *dev, unsigned long mask) { int result; + struct ps3_vuart_port_priv *priv = to_port_priv(dev); dev_dbg(&dev->core, "%s:%d: %lxh\n", __func__, __LINE__, mask); - dev->priv->interrupt_mask = mask; + priv->interrupt_mask = mask; - result = lv1_set_virtual_uart_param(dev->priv->port_number, - PARAM_INTERRUPT_MASK, dev->priv->interrupt_mask); + result = lv1_set_virtual_uart_param(dev->port_number, + PARAM_INTERRUPT_MASK, priv->interrupt_mask); if (result) dev_dbg(&dev->core, "%s:%d: interrupt_mask failed: %s\n", @@ -259,79 +279,96 @@ static int ps3_vuart_set_interrupt_mask(struct ps3_vuart_port_device *dev, return result; } -static int ps3_vuart_get_interrupt_status(struct ps3_vuart_port_device *dev, +static int ps3_vuart_get_interrupt_status(struct ps3_system_bus_device *dev, unsigned long *status) { + int result; + struct ps3_vuart_port_priv *priv = to_port_priv(dev); u64 tmp; - int result = lv1_get_virtual_uart_param(dev->priv->port_number, + + result = lv1_get_virtual_uart_param(dev->port_number, PARAM_INTERRUPT_STATUS, &tmp); if (result) dev_dbg(&dev->core, "%s:%d: interrupt_status failed: %s\n", __func__, __LINE__, ps3_result(result)); - *status = tmp & dev->priv->interrupt_mask; + *status = tmp & priv->interrupt_mask; dev_dbg(&dev->core, "%s:%d: m %lxh, s %lxh, m&s %lxh\n", - __func__, __LINE__, dev->priv->interrupt_mask, tmp, *status); + __func__, __LINE__, priv->interrupt_mask, tmp, *status); return result; } -int ps3_vuart_enable_interrupt_tx(struct ps3_vuart_port_device *dev) +int ps3_vuart_enable_interrupt_tx(struct ps3_system_bus_device *dev) { - return (dev->priv->interrupt_mask & INTERRUPT_MASK_TX) ? 0 - : ps3_vuart_set_interrupt_mask(dev, dev->priv->interrupt_mask + struct ps3_vuart_port_priv *priv = to_port_priv(dev); + + return (priv->interrupt_mask & INTERRUPT_MASK_TX) ? 0 + : ps3_vuart_set_interrupt_mask(dev, priv->interrupt_mask | INTERRUPT_MASK_TX); } -int ps3_vuart_enable_interrupt_rx(struct ps3_vuart_port_device *dev) +int ps3_vuart_enable_interrupt_rx(struct ps3_system_bus_device *dev) { - return (dev->priv->interrupt_mask & INTERRUPT_MASK_RX) ? 0 - : ps3_vuart_set_interrupt_mask(dev, dev->priv->interrupt_mask + struct ps3_vuart_port_priv *priv = to_port_priv(dev); + + return (priv->interrupt_mask & INTERRUPT_MASK_RX) ? 0 + : ps3_vuart_set_interrupt_mask(dev, priv->interrupt_mask | INTERRUPT_MASK_RX); } -int ps3_vuart_enable_interrupt_disconnect(struct ps3_vuart_port_device *dev) +int ps3_vuart_enable_interrupt_disconnect(struct ps3_system_bus_device *dev) { - return (dev->priv->interrupt_mask & INTERRUPT_MASK_DISCONNECT) ? 0 - : ps3_vuart_set_interrupt_mask(dev, dev->priv->interrupt_mask + struct ps3_vuart_port_priv *priv = to_port_priv(dev); + + return (priv->interrupt_mask & INTERRUPT_MASK_DISCONNECT) ? 0 + : ps3_vuart_set_interrupt_mask(dev, priv->interrupt_mask | INTERRUPT_MASK_DISCONNECT); } -int ps3_vuart_disable_interrupt_tx(struct ps3_vuart_port_device *dev) +int ps3_vuart_disable_interrupt_tx(struct ps3_system_bus_device *dev) { - return (dev->priv->interrupt_mask & INTERRUPT_MASK_TX) - ? ps3_vuart_set_interrupt_mask(dev, dev->priv->interrupt_mask + struct ps3_vuart_port_priv *priv = to_port_priv(dev); + + return (priv->interrupt_mask & INTERRUPT_MASK_TX) + ? ps3_vuart_set_interrupt_mask(dev, priv->interrupt_mask & ~INTERRUPT_MASK_TX) : 0; } -int ps3_vuart_disable_interrupt_rx(struct ps3_vuart_port_device *dev) +int ps3_vuart_disable_interrupt_rx(struct ps3_system_bus_device *dev) { - return (dev->priv->interrupt_mask & INTERRUPT_MASK_RX) - ? ps3_vuart_set_interrupt_mask(dev, dev->priv->interrupt_mask + struct ps3_vuart_port_priv *priv = to_port_priv(dev); + + return (priv->interrupt_mask & INTERRUPT_MASK_RX) + ? ps3_vuart_set_interrupt_mask(dev, priv->interrupt_mask & ~INTERRUPT_MASK_RX) : 0; } -int ps3_vuart_disable_interrupt_disconnect(struct ps3_vuart_port_device *dev) +int ps3_vuart_disable_interrupt_disconnect(struct ps3_system_bus_device *dev) { - return (dev->priv->interrupt_mask & INTERRUPT_MASK_DISCONNECT) - ? ps3_vuart_set_interrupt_mask(dev, dev->priv->interrupt_mask + struct ps3_vuart_port_priv *priv = to_port_priv(dev); + + return (priv->interrupt_mask & INTERRUPT_MASK_DISCONNECT) + ? ps3_vuart_set_interrupt_mask(dev, priv->interrupt_mask & ~INTERRUPT_MASK_DISCONNECT) : 0; } /** * ps3_vuart_raw_write - Low level write helper. + * @dev: The struct ps3_system_bus_device instance. * * Do not call ps3_vuart_raw_write directly, use ps3_vuart_write. */ -static int ps3_vuart_raw_write(struct ps3_vuart_port_device *dev, +static int ps3_vuart_raw_write(struct ps3_system_bus_device *dev, const void* buf, unsigned int bytes, unsigned long *bytes_written) { int result; + struct ps3_vuart_port_priv *priv = to_port_priv(dev); - result = lv1_write_virtual_uart(dev->priv->port_number, + result = lv1_write_virtual_uart(dev->port_number, ps3_mm_phys_to_lpar(__pa(buf)), bytes, bytes_written); if (result) { @@ -340,28 +377,30 @@ static int ps3_vuart_raw_write(struct ps3_vuart_port_device *dev, return result; } - dev->priv->stats.bytes_written += *bytes_written; + priv->stats.bytes_written += *bytes_written; dev_dbg(&dev->core, "%s:%d: wrote %lxh/%xh=>%lxh\n", __func__, __LINE__, - *bytes_written, bytes, dev->priv->stats.bytes_written); + *bytes_written, bytes, priv->stats.bytes_written); return result; } /** * ps3_vuart_raw_read - Low level read helper. + * @dev: The struct ps3_system_bus_device instance. * * Do not call ps3_vuart_raw_read directly, use ps3_vuart_read. */ -static int ps3_vuart_raw_read(struct ps3_vuart_port_device *dev, void* buf, +static int ps3_vuart_raw_read(struct ps3_system_bus_device *dev, void *buf, unsigned int bytes, unsigned long *bytes_read) { int result; + struct ps3_vuart_port_priv *priv = to_port_priv(dev); dev_dbg(&dev->core, "%s:%d: %xh\n", __func__, __LINE__, bytes); - result = lv1_read_virtual_uart(dev->priv->port_number, + result = lv1_read_virtual_uart(dev->port_number, ps3_mm_phys_to_lpar(__pa(buf)), bytes, bytes_read); if (result) { @@ -370,25 +409,27 @@ static int ps3_vuart_raw_read(struct ps3_vuart_port_device *dev, void* buf, return result; } - dev->priv->stats.bytes_read += *bytes_read; + priv->stats.bytes_read += *bytes_read; dev_dbg(&dev->core, "%s:%d: read %lxh/%xh=>%lxh\n", __func__, __LINE__, - *bytes_read, bytes, dev->priv->stats.bytes_read); + *bytes_read, bytes, priv->stats.bytes_read); return result; } /** * ps3_vuart_clear_rx_bytes - Discard bytes received. + * @dev: The struct ps3_system_bus_device instance. * @bytes: Max byte count to discard, zero = all pending. * * Used to clear pending rx interrupt source. Will not block. */ -void ps3_vuart_clear_rx_bytes(struct ps3_vuart_port_device *dev, +void ps3_vuart_clear_rx_bytes(struct ps3_system_bus_device *dev, unsigned int bytes) { int result; + struct ps3_vuart_port_priv *priv = to_port_priv(dev); u64 bytes_waiting; void* tmp; @@ -418,8 +459,9 @@ void ps3_vuart_clear_rx_bytes(struct ps3_vuart_port_device *dev, /* Don't include these bytes in the stats. */ - dev->priv->stats.bytes_read -= bytes_waiting; + priv->stats.bytes_read -= bytes_waiting; } +EXPORT_SYMBOL_GPL(ps3_vuart_clear_rx_bytes); /** * struct list_buffer - An element for a port device fifo buffer list. @@ -435,6 +477,7 @@ struct list_buffer { /** * ps3_vuart_write - the entry point for writing data to a port + * @dev: The struct ps3_system_bus_device instance. * * If the port is idle on entry as much of the incoming data is written to * the port as the port will accept. Otherwise a list buffer is created @@ -442,25 +485,26 @@ struct list_buffer { * then enqueued for transmision via the transmit interrupt. */ -int ps3_vuart_write(struct ps3_vuart_port_device *dev, const void* buf, +int ps3_vuart_write(struct ps3_system_bus_device *dev, const void *buf, unsigned int bytes) { static unsigned long dbg_number; int result; + struct ps3_vuart_port_priv *priv = to_port_priv(dev); unsigned long flags; struct list_buffer *lb; dev_dbg(&dev->core, "%s:%d: %u(%xh) bytes\n", __func__, __LINE__, bytes, bytes); - spin_lock_irqsave(&dev->priv->tx_list.lock, flags); + spin_lock_irqsave(&priv->tx_list.lock, flags); - if (list_empty(&dev->priv->tx_list.head)) { + if (list_empty(&priv->tx_list.head)) { unsigned long bytes_written; result = ps3_vuart_raw_write(dev, buf, bytes, &bytes_written); - spin_unlock_irqrestore(&dev->priv->tx_list.lock, flags); + spin_unlock_irqrestore(&priv->tx_list.lock, flags); if (result) { dev_dbg(&dev->core, @@ -478,7 +522,7 @@ int ps3_vuart_write(struct ps3_vuart_port_device *dev, const void* buf, bytes -= bytes_written; buf += bytes_written; } else - spin_unlock_irqrestore(&dev->priv->tx_list.lock, flags); + spin_unlock_irqrestore(&priv->tx_list.lock, flags); lb = kmalloc(sizeof(struct list_buffer) + bytes, GFP_KERNEL); @@ -491,29 +535,86 @@ int ps3_vuart_write(struct ps3_vuart_port_device *dev, const void* buf, lb->tail = lb->data + bytes; lb->dbg_number = ++dbg_number; - spin_lock_irqsave(&dev->priv->tx_list.lock, flags); - list_add_tail(&lb->link, &dev->priv->tx_list.head); + spin_lock_irqsave(&priv->tx_list.lock, flags); + list_add_tail(&lb->link, &priv->tx_list.head); ps3_vuart_enable_interrupt_tx(dev); - spin_unlock_irqrestore(&dev->priv->tx_list.lock, flags); + spin_unlock_irqrestore(&priv->tx_list.lock, flags); dev_dbg(&dev->core, "%s:%d: queued buf_%lu, %xh bytes\n", __func__, __LINE__, lb->dbg_number, bytes); return 0; } +EXPORT_SYMBOL_GPL(ps3_vuart_write); + +/** + * ps3_vuart_queue_rx_bytes - Queue waiting bytes into the buffer list. + * @dev: The struct ps3_system_bus_device instance. + * @bytes_queued: Number of bytes queued to the buffer list. + * + * Must be called with priv->rx_list.lock held. + */ + +static int ps3_vuart_queue_rx_bytes(struct ps3_system_bus_device *dev, + u64 *bytes_queued) +{ + static unsigned long dbg_number; + int result; + struct ps3_vuart_port_priv *priv = to_port_priv(dev); + struct list_buffer *lb; + u64 bytes; + + *bytes_queued = 0; + + result = ps3_vuart_get_rx_bytes_waiting(dev, &bytes); + BUG_ON(result); + + if (result) + return -EIO; + + if (!bytes) + return 0; + + /* Add some extra space for recently arrived data. */ + + bytes += 128; + + lb = kmalloc(sizeof(struct list_buffer) + bytes, GFP_ATOMIC); + + if (!lb) + return -ENOMEM; + + ps3_vuart_raw_read(dev, lb->data, bytes, &bytes); + + lb->head = lb->data; + lb->tail = lb->data + bytes; + lb->dbg_number = ++dbg_number; + + list_add_tail(&lb->link, &priv->rx_list.head); + priv->rx_list.bytes_held += bytes; + + dev_dbg(&dev->core, "%s:%d: buf_%lu: queued %lxh bytes\n", + __func__, __LINE__, lb->dbg_number, bytes); + + *bytes_queued = bytes; + + return 0; +} /** - * ps3_vuart_read - the entry point for reading data from a port + * ps3_vuart_read - The entry point for reading data from a port. * - * If enough bytes to satisfy the request are held in the buffer list those - * bytes are dequeued and copied to the caller's buffer. Emptied list buffers - * are retiered. If the request cannot be statified by bytes held in the list - * buffers -EAGAIN is returned. + * Queue data waiting at the port, and if enough bytes to satisfy the request + * are held in the buffer list those bytes are dequeued and copied to the + * caller's buffer. Emptied list buffers are retiered. If the request cannot + * be statified by bytes held in the list buffers -EAGAIN is returned. */ -int ps3_vuart_read(struct ps3_vuart_port_device *dev, void* buf, +int ps3_vuart_read(struct ps3_system_bus_device *dev, void *buf, unsigned int bytes) { + int result; + struct ps3_vuart_port_priv *priv = to_port_priv(dev); unsigned long flags; struct list_buffer *lb, *n; unsigned long bytes_read; @@ -521,30 +622,37 @@ int ps3_vuart_read(struct ps3_vuart_port_device *dev, void* buf, dev_dbg(&dev->core, "%s:%d: %u(%xh) bytes\n", __func__, __LINE__, bytes, bytes); - spin_lock_irqsave(&dev->priv->rx_list.lock, flags); + spin_lock_irqsave(&priv->rx_list.lock, flags); - if (dev->priv->rx_list.bytes_held < bytes) { - spin_unlock_irqrestore(&dev->priv->rx_list.lock, flags); - dev_dbg(&dev->core, "%s:%d: starved for %lxh bytes\n", - __func__, __LINE__, - bytes - dev->priv->rx_list.bytes_held); - return -EAGAIN; + /* Queue rx bytes here for polled reads. */ + + while (priv->rx_list.bytes_held < bytes) { + u64 tmp; + + result = ps3_vuart_queue_rx_bytes(dev, &tmp); + if (result || !tmp) { + dev_dbg(&dev->core, "%s:%d: starved for %lxh bytes\n", + __func__, __LINE__, + bytes - priv->rx_list.bytes_held); + spin_unlock_irqrestore(&priv->rx_list.lock, flags); + return -EAGAIN; + } } - list_for_each_entry_safe(lb, n, &dev->priv->rx_list.head, link) { + list_for_each_entry_safe(lb, n, &priv->rx_list.head, link) { bytes_read = min((unsigned int)(lb->tail - lb->head), bytes); memcpy(buf, lb->head, bytes_read); buf += bytes_read; bytes -= bytes_read; - dev->priv->rx_list.bytes_held -= bytes_read; + priv->rx_list.bytes_held -= bytes_read; if (bytes_read < lb->tail - lb->head) { lb->head += bytes_read; dev_dbg(&dev->core, "%s:%d: buf_%lu: dequeued %lxh " "bytes\n", __func__, __LINE__, lb->dbg_number, bytes_read); - spin_unlock_irqrestore(&dev->priv->rx_list.lock, flags); + spin_unlock_irqrestore(&priv->rx_list.lock, flags); return 0; } @@ -556,16 +664,32 @@ int ps3_vuart_read(struct ps3_vuart_port_device *dev, void* buf, kfree(lb); } - spin_unlock_irqrestore(&dev->priv->rx_list.lock, flags); + spin_unlock_irqrestore(&priv->rx_list.lock, flags); return 0; } +EXPORT_SYMBOL_GPL(ps3_vuart_read); -int ps3_vuart_read_async(struct ps3_vuart_port_device *dev, work_func_t func, - unsigned int bytes) +/** + * ps3_vuart_work - Asynchronous read handler. + */ + +static void ps3_vuart_work(struct work_struct *work) +{ + struct ps3_system_bus_device *dev = + ps3_vuart_work_to_system_bus_dev(work); + struct ps3_vuart_port_driver *drv = + ps3_system_bus_dev_to_vuart_drv(dev); + + BUG_ON(!drv); + drv->work(dev); +} + +int ps3_vuart_read_async(struct ps3_system_bus_device *dev, unsigned int bytes) { + struct ps3_vuart_port_priv *priv = to_port_priv(dev); unsigned long flags; - if(dev->priv->work.trigger) { + if (priv->rx_list.work.trigger) { dev_dbg(&dev->core, "%s:%d: warning, multiple calls\n", __func__, __LINE__); return -EAGAIN; @@ -573,30 +697,32 @@ int ps3_vuart_read_async(struct ps3_vuart_port_device *dev, work_func_t func, BUG_ON(!bytes); - PREPARE_WORK(&dev->priv->work.work, func); + PREPARE_WORK(&priv->rx_list.work.work, ps3_vuart_work); - spin_lock_irqsave(&dev->priv->work.lock, flags); - if(dev->priv->rx_list.bytes_held >= bytes) { + spin_lock_irqsave(&priv->rx_list.lock, flags); + if (priv->rx_list.bytes_held >= bytes) { dev_dbg(&dev->core, "%s:%d: schedule_work %xh bytes\n", __func__, __LINE__, bytes); - schedule_work(&dev->priv->work.work); - spin_unlock_irqrestore(&dev->priv->work.lock, flags); + schedule_work(&priv->rx_list.work.work); + spin_unlock_irqrestore(&priv->rx_list.lock, flags); return 0; } - dev->priv->work.trigger = bytes; - spin_unlock_irqrestore(&dev->priv->work.lock, flags); + priv->rx_list.work.trigger = bytes; + spin_unlock_irqrestore(&priv->rx_list.lock, flags); dev_dbg(&dev->core, "%s:%d: waiting for %u(%xh) bytes\n", __func__, __LINE__, bytes, bytes); return 0; } +EXPORT_SYMBOL_GPL(ps3_vuart_read_async); -void ps3_vuart_cancel_async(struct ps3_vuart_port_device *dev) +void ps3_vuart_cancel_async(struct ps3_system_bus_device *dev) { - dev->priv->work.trigger = 0; + to_port_priv(dev)->rx_list.work.trigger = 0; } +EXPORT_SYMBOL_GPL(ps3_vuart_cancel_async); /** * ps3_vuart_handle_interrupt_tx - third stage transmit interrupt handler @@ -606,18 +732,19 @@ void ps3_vuart_cancel_async(struct ps3_vuart_port_device *dev) * adjusts the final list buffer state for a partial write. */ -static int ps3_vuart_handle_interrupt_tx(struct ps3_vuart_port_device *dev) +static int ps3_vuart_handle_interrupt_tx(struct ps3_system_bus_device *dev) { int result = 0; + struct ps3_vuart_port_priv *priv = to_port_priv(dev); unsigned long flags; struct list_buffer *lb, *n; unsigned long bytes_total = 0; dev_dbg(&dev->core, "%s:%d\n", __func__, __LINE__); - spin_lock_irqsave(&dev->priv->tx_list.lock, flags); + spin_lock_irqsave(&priv->tx_list.lock, flags); - list_for_each_entry_safe(lb, n, &dev->priv->tx_list.head, link) { + list_for_each_entry_safe(lb, n, &priv->tx_list.head, link) { unsigned long bytes_written; @@ -651,7 +778,7 @@ static int ps3_vuart_handle_interrupt_tx(struct ps3_vuart_port_device *dev) ps3_vuart_disable_interrupt_tx(dev); port_full: - spin_unlock_irqrestore(&dev->priv->tx_list.lock, flags); + spin_unlock_irqrestore(&priv->tx_list.lock, flags); dev_dbg(&dev->core, "%s:%d wrote %lxh bytes total\n", __func__, __LINE__, bytes_total); return result; @@ -665,60 +792,37 @@ port_full: * buffer list. Buffer list data is dequeued via ps3_vuart_read. */ -static int ps3_vuart_handle_interrupt_rx(struct ps3_vuart_port_device *dev) +static int ps3_vuart_handle_interrupt_rx(struct ps3_system_bus_device *dev) { - static unsigned long dbg_number; - int result = 0; + int result; + struct ps3_vuart_port_priv *priv = to_port_priv(dev); unsigned long flags; - struct list_buffer *lb; - unsigned long bytes; + u64 bytes; dev_dbg(&dev->core, "%s:%d\n", __func__, __LINE__); - result = ps3_vuart_get_rx_bytes_waiting(dev, &bytes); - - if (result) - return -EIO; - - BUG_ON(!bytes); - - /* Add some extra space for recently arrived data. */ - - bytes += 128; - - lb = kmalloc(sizeof(struct list_buffer) + bytes, GFP_ATOMIC); + spin_lock_irqsave(&priv->rx_list.lock, flags); + result = ps3_vuart_queue_rx_bytes(dev, &bytes); - if (!lb) - return -ENOMEM; - - ps3_vuart_raw_read(dev, lb->data, bytes, &bytes); - - lb->head = lb->data; - lb->tail = lb->data + bytes; - lb->dbg_number = ++dbg_number; - - spin_lock_irqsave(&dev->priv->rx_list.lock, flags); - list_add_tail(&lb->link, &dev->priv->rx_list.head); - dev->priv->rx_list.bytes_held += bytes; - spin_unlock_irqrestore(&dev->priv->rx_list.lock, flags); - - dev_dbg(&dev->core, "%s:%d: buf_%lu: queued %lxh bytes\n", - __func__, __LINE__, lb->dbg_number, bytes); + if (result) { + spin_unlock_irqrestore(&priv->rx_list.lock, flags); + return result; + } - spin_lock_irqsave(&dev->priv->work.lock, flags); - if(dev->priv->work.trigger - && dev->priv->rx_list.bytes_held >= dev->priv->work.trigger) { + if (priv->rx_list.work.trigger && priv->rx_list.bytes_held + >= priv->rx_list.work.trigger) { dev_dbg(&dev->core, "%s:%d: schedule_work %lxh bytes\n", - __func__, __LINE__, dev->priv->work.trigger); - dev->priv->work.trigger = 0; - schedule_work(&dev->priv->work.work); + __func__, __LINE__, priv->rx_list.work.trigger); + priv->rx_list.work.trigger = 0; + schedule_work(&priv->rx_list.work.work); } - spin_unlock_irqrestore(&dev->priv->work.lock, flags); - return 0; + + spin_unlock_irqrestore(&priv->rx_list.lock, flags); + return result; } static int ps3_vuart_handle_interrupt_disconnect( - struct ps3_vuart_port_device *dev) + struct ps3_system_bus_device *dev) { dev_dbg(&dev->core, "%s:%d\n", __func__, __LINE__); BUG_ON("no support"); @@ -733,9 +837,10 @@ static int ps3_vuart_handle_interrupt_disconnect( * stage handler after one iteration. */ -static int ps3_vuart_handle_port_interrupt(struct ps3_vuart_port_device *dev) +static int ps3_vuart_handle_port_interrupt(struct ps3_system_bus_device *dev) { int result; + struct ps3_vuart_port_priv *priv = to_port_priv(dev); unsigned long status; result = ps3_vuart_get_interrupt_status(dev, &status); @@ -747,21 +852,21 @@ static int ps3_vuart_handle_port_interrupt(struct ps3_vuart_port_device *dev) status); if (status & INTERRUPT_MASK_DISCONNECT) { - dev->priv->stats.disconnect_interrupts++; + priv->stats.disconnect_interrupts++; result = ps3_vuart_handle_interrupt_disconnect(dev); if (result) ps3_vuart_disable_interrupt_disconnect(dev); } if (status & INTERRUPT_MASK_TX) { - dev->priv->stats.tx_interrupts++; + priv->stats.tx_interrupts++; result = ps3_vuart_handle_interrupt_tx(dev); if (result) ps3_vuart_disable_interrupt_tx(dev); } if (status & INTERRUPT_MASK_RX) { - dev->priv->stats.rx_interrupts++; + priv->stats.rx_interrupts++; result = ps3_vuart_handle_interrupt_rx(dev); if (result) ps3_vuart_disable_interrupt_rx(dev); @@ -771,11 +876,11 @@ static int ps3_vuart_handle_port_interrupt(struct ps3_vuart_port_device *dev) } struct vuart_bus_priv { - const struct ports_bmp bmp; + struct ports_bmp *bmp; unsigned int virq; struct semaphore probe_mutex; int use_count; - struct ps3_vuart_port_device *devices[PORT_COUNT]; + struct ps3_system_bus_device *devices[PORT_COUNT]; } static vuart_bus_priv; /** @@ -788,17 +893,16 @@ struct vuart_bus_priv { static irqreturn_t ps3_vuart_irq_handler(int irq, void *_private) { - struct vuart_bus_priv *bus_priv; + struct vuart_bus_priv *bus_priv = _private; - BUG_ON(!_private); - bus_priv = (struct vuart_bus_priv *)_private; + BUG_ON(!bus_priv); while (1) { unsigned int port; - dump_ports_bmp(&bus_priv->bmp); + dump_ports_bmp(bus_priv->bmp); - port = (BITS_PER_LONG - 1) - __ilog2(bus_priv->bmp.status); + port = (BITS_PER_LONG - 1) - __ilog2(bus_priv->bmp->status); if (port == BITS_PER_LONG) break; @@ -812,100 +916,144 @@ static irqreturn_t ps3_vuart_irq_handler(int irq, void *_private) return IRQ_HANDLED; } -static int ps3_vuart_match(struct device *_dev, struct device_driver *_drv) +static int ps3_vuart_bus_interrupt_get(void) { int result; - struct ps3_vuart_port_driver *drv = to_ps3_vuart_port_driver(_drv); - struct ps3_vuart_port_device *dev = to_ps3_vuart_port_device(_dev); - result = dev->match_id == drv->match_id; + pr_debug(" -> %s:%d\n", __func__, __LINE__); + + vuart_bus_priv.use_count++; + + BUG_ON(vuart_bus_priv.use_count > 2); + + if (vuart_bus_priv.use_count != 1) { + return 0; + } + + BUG_ON(vuart_bus_priv.bmp); + + vuart_bus_priv.bmp = kzalloc(sizeof(struct ports_bmp), GFP_KERNEL); + + if (!vuart_bus_priv.bmp) { + pr_debug("%s:%d: kzalloc failed.\n", __func__, __LINE__); + result = -ENOMEM; + goto fail_bmp_malloc; + } + + result = ps3_vuart_irq_setup(PS3_BINDING_CPU_ANY, vuart_bus_priv.bmp, + &vuart_bus_priv.virq); + + if (result) { + pr_debug("%s:%d: ps3_vuart_irq_setup failed (%d)\n", + __func__, __LINE__, result); + result = -EPERM; + goto fail_alloc_irq; + } + + result = request_irq(vuart_bus_priv.virq, ps3_vuart_irq_handler, + IRQF_DISABLED, "vuart", &vuart_bus_priv); - dev_info(&dev->core, "%s:%d: dev=%u(%s), drv=%u(%s): %s\n", __func__, - __LINE__, dev->match_id, dev->core.bus_id, drv->match_id, - drv->core.name, (result ? "match" : "miss")); + if (result) { + pr_debug("%s:%d: request_irq failed (%d)\n", + __func__, __LINE__, result); + goto fail_request_irq; + } + pr_debug(" <- %s:%d: ok\n", __func__, __LINE__); return result; + +fail_request_irq: + ps3_vuart_irq_destroy(vuart_bus_priv.virq); + vuart_bus_priv.virq = NO_IRQ; +fail_alloc_irq: + kfree(vuart_bus_priv.bmp); + vuart_bus_priv.bmp = NULL; +fail_bmp_malloc: + vuart_bus_priv.use_count--; + pr_debug(" <- %s:%d: failed\n", __func__, __LINE__); + return result; +} + +static int ps3_vuart_bus_interrupt_put(void) +{ + pr_debug(" -> %s:%d\n", __func__, __LINE__); + + vuart_bus_priv.use_count--; + + BUG_ON(vuart_bus_priv.use_count < 0); + + if (vuart_bus_priv.use_count != 0) + return 0; + + free_irq(vuart_bus_priv.virq, &vuart_bus_priv); + + ps3_vuart_irq_destroy(vuart_bus_priv.virq); + vuart_bus_priv.virq = NO_IRQ; + + kfree(vuart_bus_priv.bmp); + vuart_bus_priv.bmp = NULL; + + pr_debug(" <- %s:%d\n", __func__, __LINE__); + return 0; } -static int ps3_vuart_probe(struct device *_dev) +static int ps3_vuart_probe(struct ps3_system_bus_device *dev) { int result; - unsigned int port_number; - struct ps3_vuart_port_device *dev = to_ps3_vuart_port_device(_dev); - struct ps3_vuart_port_driver *drv = - to_ps3_vuart_port_driver(_dev->driver); + struct ps3_vuart_port_driver *drv; + struct ps3_vuart_port_priv *priv = NULL; dev_dbg(&dev->core, "%s:%d\n", __func__, __LINE__); + drv = ps3_system_bus_dev_to_vuart_drv(dev); + + dev_dbg(&dev->core, "%s:%d: (%s)\n", __func__, __LINE__, + drv->core.core.name); + BUG_ON(!drv); - down(&vuart_bus_priv.probe_mutex); + if (dev->port_number >= PORT_COUNT) { + BUG(); + return -EINVAL; + } - /* Setup vuart_bus_priv.devices[]. */ + down(&vuart_bus_priv.probe_mutex); - result = ps3_vuart_match_id_to_port(dev->match_id, - &port_number); + result = ps3_vuart_bus_interrupt_get(); - if (result) { - dev_dbg(&dev->core, "%s:%d: unknown match_id (%d)\n", - __func__, __LINE__, dev->match_id); - result = -EINVAL; - goto fail_match; - } + if (result) + goto fail_setup_interrupt; - if (vuart_bus_priv.devices[port_number]) { + if (vuart_bus_priv.devices[dev->port_number]) { dev_dbg(&dev->core, "%s:%d: port busy (%d)\n", __func__, - __LINE__, port_number); + __LINE__, dev->port_number); result = -EBUSY; - goto fail_match; + goto fail_busy; } - vuart_bus_priv.devices[port_number] = dev; + vuart_bus_priv.devices[dev->port_number] = dev; - /* Setup dev->priv. */ + /* Setup dev->driver_priv. */ - dev->priv = kzalloc(sizeof(struct ps3_vuart_port_priv), GFP_KERNEL); + dev->driver_priv = kzalloc(sizeof(struct ps3_vuart_port_priv), + GFP_KERNEL); - if (!dev->priv) { + if (!dev->driver_priv) { result = -ENOMEM; - goto fail_alloc; + goto fail_dev_malloc; } - dev->priv->port_number = port_number; - - INIT_LIST_HEAD(&dev->priv->tx_list.head); - spin_lock_init(&dev->priv->tx_list.lock); + priv = to_port_priv(dev); - INIT_LIST_HEAD(&dev->priv->rx_list.head); - spin_lock_init(&dev->priv->rx_list.lock); + INIT_LIST_HEAD(&priv->tx_list.head); + spin_lock_init(&priv->tx_list.lock); - INIT_WORK(&dev->priv->work.work, NULL); - spin_lock_init(&dev->priv->work.lock); - dev->priv->work.trigger = 0; - dev->priv->work.dev = dev; + INIT_LIST_HEAD(&priv->rx_list.head); + spin_lock_init(&priv->rx_list.lock); - if (++vuart_bus_priv.use_count == 1) { - - result = ps3_vuart_irq_setup(PS3_BINDING_CPU_ANY, - (void*)&vuart_bus_priv.bmp.status, &vuart_bus_priv.virq); - - if (result) { - dev_dbg(&dev->core, - "%s:%d: ps3_vuart_irq_setup failed (%d)\n", - __func__, __LINE__, result); - result = -EPERM; - goto fail_alloc_irq; - } - - result = request_irq(vuart_bus_priv.virq, ps3_vuart_irq_handler, - IRQF_DISABLED, "vuart", &vuart_bus_priv); - - if (result) { - dev_info(&dev->core, "%s:%d: request_irq failed (%d)\n", - __func__, __LINE__, result); - goto fail_request_irq; - } - } + INIT_WORK(&priv->rx_list.work.work, NULL); + priv->rx_list.work.trigger = 0; + priv->rx_list.work.dev = dev; /* clear stale pending interrupts */ @@ -936,150 +1084,158 @@ static int ps3_vuart_probe(struct device *_dev) fail_probe: ps3_vuart_set_interrupt_mask(dev, 0); -fail_request_irq: - ps3_vuart_irq_destroy(vuart_bus_priv.virq); - vuart_bus_priv.virq = NO_IRQ; -fail_alloc_irq: - --vuart_bus_priv.use_count; - kfree(dev->priv); - dev->priv = NULL; -fail_alloc: - vuart_bus_priv.devices[port_number] = NULL; -fail_match: + kfree(dev->driver_priv); + dev->driver_priv = NULL; +fail_dev_malloc: + vuart_bus_priv.devices[dev->port_number] = NULL; +fail_busy: + ps3_vuart_bus_interrupt_put(); +fail_setup_interrupt: up(&vuart_bus_priv.probe_mutex); - dev_dbg(&dev->core, "%s:%d failed\n", __func__, __LINE__); + dev_dbg(&dev->core, "%s:%d: failed\n", __func__, __LINE__); return result; } -static int ps3_vuart_remove(struct device *_dev) +/** + * ps3_vuart_cleanup - common cleanup helper. + * @dev: The struct ps3_system_bus_device instance. + * + * Cleans interrupts and HV resources. Must be called with + * vuart_bus_priv.probe_mutex held. Used by ps3_vuart_remove and + * ps3_vuart_shutdown. After this call, polled reading will still work. + */ + +static int ps3_vuart_cleanup(struct ps3_system_bus_device *dev) { - struct ps3_vuart_port_device *dev = to_ps3_vuart_port_device(_dev); - struct ps3_vuart_port_driver *drv = - to_ps3_vuart_port_driver(_dev->driver); + dev_dbg(&dev->core, "%s:%d\n", __func__, __LINE__); + + ps3_vuart_cancel_async(dev); + ps3_vuart_set_interrupt_mask(dev, 0); + ps3_vuart_bus_interrupt_put(); + return 0; +} + +/** + * ps3_vuart_remove - Completely clean the device instance. + * @dev: The struct ps3_system_bus_device instance. + * + * Cleans all memory, interrupts and HV resources. After this call the + * device can no longer be used. + */ + +static int ps3_vuart_remove(struct ps3_system_bus_device *dev) +{ + struct ps3_vuart_port_priv *priv = to_port_priv(dev); + struct ps3_vuart_port_driver *drv; + + BUG_ON(!dev); down(&vuart_bus_priv.probe_mutex); - dev_dbg(&dev->core, "%s:%d: %s\n", __func__, __LINE__, - dev->core.bus_id); + dev_dbg(&dev->core, " -> %s:%d: match_id %d\n", __func__, __LINE__, + dev->match_id); - BUG_ON(vuart_bus_priv.use_count < 1); + if (!dev->core.driver) { + dev_dbg(&dev->core, "%s:%d: no driver bound\n", __func__, + __LINE__); + up(&vuart_bus_priv.probe_mutex); + return 0; + } - if (drv->remove) - drv->remove(dev); - else - dev_dbg(&dev->core, "%s:%d: %s no remove method\n", __func__, - __LINE__, dev->core.bus_id); + drv = ps3_system_bus_dev_to_vuart_drv(dev); - vuart_bus_priv.devices[dev->priv->port_number] = NULL; + BUG_ON(!drv); - if (--vuart_bus_priv.use_count == 0) { + if (drv->remove) { + drv->remove(dev); + } else { + dev_dbg(&dev->core, "%s:%d: no remove method\n", __func__, + __LINE__); BUG(); - free_irq(vuart_bus_priv.virq, &vuart_bus_priv); - ps3_vuart_irq_destroy(vuart_bus_priv.virq); - vuart_bus_priv.virq = NO_IRQ; } - kfree(dev->priv); - dev->priv = NULL; + ps3_vuart_cleanup(dev); + + vuart_bus_priv.devices[dev->port_number] = NULL; + kfree(priv); + priv = NULL; + dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__); up(&vuart_bus_priv.probe_mutex); return 0; } -static void ps3_vuart_shutdown(struct device *_dev) -{ - struct ps3_vuart_port_device *dev = to_ps3_vuart_port_device(_dev); - struct ps3_vuart_port_driver *drv = - to_ps3_vuart_port_driver(_dev->driver); - - dev_dbg(&dev->core, "%s:%d: %s\n", __func__, __LINE__, - dev->core.bus_id); - - if (drv->shutdown) - drv->shutdown(dev); - else - dev_dbg(&dev->core, "%s:%d: %s no shutdown method\n", __func__, - __LINE__, dev->core.bus_id); -} - /** - * ps3_vuart_bus - The vuart bus instance. + * ps3_vuart_shutdown - Cleans interrupts and HV resources. + * @dev: The struct ps3_system_bus_device instance. * - * The vuart is managed as a bus that port devices connect to. + * Cleans interrupts and HV resources. After this call the + * device can still be used in polling mode. This behavior required + * by sys-manager to be able to complete the device power operation + * sequence. */ -struct bus_type ps3_vuart_bus = { - .name = "ps3_vuart", - .match = ps3_vuart_match, - .probe = ps3_vuart_probe, - .remove = ps3_vuart_remove, - .shutdown = ps3_vuart_shutdown, -}; - -int __init ps3_vuart_bus_init(void) +static int ps3_vuart_shutdown(struct ps3_system_bus_device *dev) { - int result; + struct ps3_vuart_port_driver *drv; - pr_debug("%s:%d:\n", __func__, __LINE__); + BUG_ON(!dev); - if (!firmware_has_feature(FW_FEATURE_PS3_LV1)) - return -ENODEV; + down(&vuart_bus_priv.probe_mutex); - init_MUTEX(&vuart_bus_priv.probe_mutex); - result = bus_register(&ps3_vuart_bus); - BUG_ON(result); + dev_dbg(&dev->core, " -> %s:%d: match_id %d\n", __func__, __LINE__, + dev->match_id); - return result; -} + if (!dev->core.driver) { + dev_dbg(&dev->core, "%s:%d: no driver bound\n", __func__, + __LINE__); + up(&vuart_bus_priv.probe_mutex); + return 0; + } -void __exit ps3_vuart_bus_exit(void) -{ - pr_debug("%s:%d:\n", __func__, __LINE__); - bus_unregister(&ps3_vuart_bus); -} + drv = ps3_system_bus_dev_to_vuart_drv(dev); -core_initcall(ps3_vuart_bus_init); -module_exit(ps3_vuart_bus_exit); + BUG_ON(!drv); -/** - * ps3_vuart_port_release_device - Remove a vuart port device. - */ + if (drv->shutdown) + drv->shutdown(dev); + else if (drv->remove) { + dev_dbg(&dev->core, "%s:%d: no shutdown, calling remove\n", + __func__, __LINE__); + drv->remove(dev); + } else { + dev_dbg(&dev->core, "%s:%d: no shutdown method\n", __func__, + __LINE__); + BUG(); + } -static void ps3_vuart_port_release_device(struct device *_dev) -{ -#if defined(DEBUG) - struct ps3_vuart_port_device *dev = to_ps3_vuart_port_device(_dev); + ps3_vuart_cleanup(dev); - dev_dbg(&dev->core, "%s:%d\n", __func__, __LINE__); + dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__); - BUG_ON(dev->priv && "forgot to free"); - memset(&dev->core, 0, sizeof(dev->core)); -#endif + up(&vuart_bus_priv.probe_mutex); + return 0; } -/** - * ps3_vuart_port_device_register - Add a vuart port device. - */ - -int ps3_vuart_port_device_register(struct ps3_vuart_port_device *dev) +static int __init ps3_vuart_bus_init(void) { - static unsigned int dev_count = 1; - - BUG_ON(dev->priv && "forgot to free"); + pr_debug("%s:%d:\n", __func__, __LINE__); - dev->core.parent = NULL; - dev->core.bus = &ps3_vuart_bus; - dev->core.release = ps3_vuart_port_release_device; + if (!firmware_has_feature(FW_FEATURE_PS3_LV1)) + return -ENODEV; - snprintf(dev->core.bus_id, sizeof(dev->core.bus_id), "vuart_%02x", - dev_count++); + init_MUTEX(&vuart_bus_priv.probe_mutex); - dev_dbg(&dev->core, "%s:%d register\n", __func__, __LINE__); + return 0; +} - return device_register(&dev->core); +static void __exit ps3_vuart_bus_exit(void) +{ + pr_debug("%s:%d:\n", __func__, __LINE__); } -EXPORT_SYMBOL_GPL(ps3_vuart_port_device_register); +core_initcall(ps3_vuart_bus_init); +module_exit(ps3_vuart_bus_exit); /** * ps3_vuart_port_driver_register - Add a vuart port device driver. @@ -1089,12 +1245,18 @@ int ps3_vuart_port_driver_register(struct ps3_vuart_port_driver *drv) { int result; - pr_debug("%s:%d: (%s)\n", __func__, __LINE__, drv->core.name); - drv->core.bus = &ps3_vuart_bus; - result = driver_register(&drv->core); + pr_debug("%s:%d: (%s)\n", __func__, __LINE__, drv->core.core.name); + + BUG_ON(!drv->core.match_id); + BUG_ON(!drv->core.core.name); + + drv->core.probe = ps3_vuart_probe; + drv->core.remove = ps3_vuart_remove; + drv->core.shutdown = ps3_vuart_shutdown; + + result = ps3_system_bus_driver_register(&drv->core); return result; } - EXPORT_SYMBOL_GPL(ps3_vuart_port_driver_register); /** @@ -1103,8 +1265,7 @@ EXPORT_SYMBOL_GPL(ps3_vuart_port_driver_register); void ps3_vuart_port_driver_unregister(struct ps3_vuart_port_driver *drv) { - pr_debug("%s:%d: (%s)\n", __func__, __LINE__, drv->core.name); - driver_unregister(&drv->core); + pr_debug("%s:%d: (%s)\n", __func__, __LINE__, drv->core.core.name); + ps3_system_bus_driver_unregister(&drv->core); } - EXPORT_SYMBOL_GPL(ps3_vuart_port_driver_unregister); diff --git a/drivers/ps3/vuart.h b/drivers/ps3/vuart.h index 1be992d568c..eb7f6d94a89 100644 --- a/drivers/ps3/vuart.h +++ b/drivers/ps3/vuart.h @@ -34,29 +34,7 @@ struct ps3_vuart_stats { struct ps3_vuart_work { struct work_struct work; unsigned long trigger; - spinlock_t lock; - struct ps3_vuart_port_device* dev; /* to convert work to device */ -}; - -/** - * struct ps3_vuart_port_priv - private vuart device data. - */ - -struct ps3_vuart_port_priv { - unsigned int port_number; - u64 interrupt_mask; - - struct { - spinlock_t lock; - struct list_head head; - } tx_list; - struct { - unsigned long bytes_held; - spinlock_t lock; - struct list_head head; - } rx_list; - struct ps3_vuart_stats stats; - struct ps3_vuart_work work; + struct ps3_system_bus_device *dev; /* to convert work to device */ }; /** @@ -64,32 +42,30 @@ struct ps3_vuart_port_priv { */ struct ps3_vuart_port_driver { - enum ps3_match_id match_id; - struct device_driver core; - int (*probe)(struct ps3_vuart_port_device *); - int (*remove)(struct ps3_vuart_port_device *); - void (*shutdown)(struct ps3_vuart_port_device *); - int (*tx_event)(struct ps3_vuart_port_device *dev); - int (*rx_event)(struct ps3_vuart_port_device *dev); - int (*disconnect_event)(struct ps3_vuart_port_device *dev); - /* int (*suspend)(struct ps3_vuart_port_device *, pm_message_t); */ - /* int (*resume)(struct ps3_vuart_port_device *); */ + struct ps3_system_bus_driver core; + int (*probe)(struct ps3_system_bus_device *); + int (*remove)(struct ps3_system_bus_device *); + void (*shutdown)(struct ps3_system_bus_device *); + void (*work)(struct ps3_system_bus_device *); + /* int (*tx_event)(struct ps3_system_bus_device *dev); */ + /* int (*rx_event)(struct ps3_system_bus_device *dev); */ + /* int (*disconnect_event)(struct ps3_system_bus_device *dev); */ + /* int (*suspend)(struct ps3_system_bus_device *, pm_message_t); */ + /* int (*resume)(struct ps3_system_bus_device *); */ }; int ps3_vuart_port_driver_register(struct ps3_vuart_port_driver *drv); void ps3_vuart_port_driver_unregister(struct ps3_vuart_port_driver *drv); -static inline struct ps3_vuart_port_driver *to_ps3_vuart_port_driver( - struct device_driver *_drv) -{ - return container_of(_drv, struct ps3_vuart_port_driver, core); -} -static inline struct ps3_vuart_port_device *to_ps3_vuart_port_device( - struct device *_dev) +static inline struct ps3_vuart_port_driver * + ps3_system_bus_dev_to_vuart_drv(struct ps3_system_bus_device *_dev) { - return container_of(_dev, struct ps3_vuart_port_device, core); + struct ps3_system_bus_driver *sbd = + ps3_system_bus_dev_to_system_bus_drv(_dev); + BUG_ON(!sbd); + return container_of(sbd, struct ps3_vuart_port_driver, core); } -static inline struct ps3_vuart_port_device *ps3_vuart_work_to_port_device( +static inline struct ps3_system_bus_device *ps3_vuart_work_to_system_bus_dev( struct work_struct *_work) { struct ps3_vuart_work *vw = container_of(_work, struct ps3_vuart_work, @@ -97,14 +73,13 @@ static inline struct ps3_vuart_port_device *ps3_vuart_work_to_port_device( return vw->dev; } -int ps3_vuart_write(struct ps3_vuart_port_device *dev, const void* buf, - unsigned int bytes); -int ps3_vuart_read(struct ps3_vuart_port_device *dev, void* buf, +int ps3_vuart_write(struct ps3_system_bus_device *dev, const void *buf, unsigned int bytes); -int ps3_vuart_read_async(struct ps3_vuart_port_device *dev, work_func_t func, +int ps3_vuart_read(struct ps3_system_bus_device *dev, void *buf, unsigned int bytes); -void ps3_vuart_cancel_async(struct ps3_vuart_port_device *dev); -void ps3_vuart_clear_rx_bytes(struct ps3_vuart_port_device *dev, +int ps3_vuart_read_async(struct ps3_system_bus_device *dev, unsigned int bytes); +void ps3_vuart_cancel_async(struct ps3_system_bus_device *dev); +void ps3_vuart_clear_rx_bytes(struct ps3_system_bus_device *dev, unsigned int bytes); #endif diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index 4e4c10a7fd3..83b071b6ece 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -246,7 +246,7 @@ comment "Platform RTC drivers" config RTC_DRV_CMOS tristate "PC-style 'CMOS'" depends on RTC_CLASS && (X86 || ALPHA || ARM26 || ARM \ - || M32R || ATARI || POWERPC || MIPS) + || M32R || ATARI || PPC || MIPS) help Say "yes" here to get direct support for the real time clock found in every PC or ACPI-based system, and some other boards. diff --git a/drivers/s390/net/qeth.h b/drivers/s390/net/qeth.h index b34eb82edd9..ec18bae05df 100644 --- a/drivers/s390/net/qeth.h +++ b/drivers/s390/net/qeth.h @@ -211,6 +211,10 @@ struct qeth_perf_stats { /* initial values when measuring starts */ unsigned long initial_rx_packets; unsigned long initial_tx_packets; + /* inbound scatter gather data */ + unsigned int sg_skbs_rx; + unsigned int sg_frags_rx; + unsigned int sg_alloc_page_rx; }; /* Routing stuff */ @@ -341,6 +345,9 @@ qeth_is_ipa_enabled(struct qeth_ipa_info *ipa, enum qeth_ipa_funcs func) #define QETH_IP_HEADER_SIZE 40 +/* large receive scatter gather copy break */ +#define QETH_RX_SG_CB (PAGE_SIZE >> 1) + struct qeth_hdr_layer3 { __u8 id; __u8 flags; @@ -771,6 +778,7 @@ struct qeth_card_options { int layer2; enum qeth_large_send_types large_send; int performance_stats; + int rx_sg_cb; }; /* @@ -828,6 +836,7 @@ struct qeth_card { int (*orig_hard_header)(struct sk_buff *,struct net_device *, unsigned short,void *,void *,unsigned); struct qeth_osn_info osn_info; + atomic_t force_alloc_skb; }; struct qeth_card_list_struct { diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c index 86b0c44165c..57f69434fbf 100644 --- a/drivers/s390/net/qeth_main.c +++ b/drivers/s390/net/qeth_main.c @@ -1054,6 +1054,7 @@ qeth_set_intial_options(struct qeth_card *card) else card->options.layer2 = 0; card->options.performance_stats = 0; + card->options.rx_sg_cb = QETH_RX_SG_CB; } /** @@ -1934,6 +1935,7 @@ qeth_send_control_data(struct qeth_card *card, int len, atomic_inc(&reply->received); wake_up(&reply->wait_q); } + cpu_relax(); }; rc = reply->rc; qeth_put_reply(reply); @@ -2258,6 +2260,89 @@ qeth_get_skb(unsigned int length, struct qeth_hdr *hdr) return skb; } +static inline int +qeth_create_skb_frag(struct qdio_buffer_element *element, + struct sk_buff **pskb, + int offset, int *pfrag, int data_len) +{ + struct page *page = virt_to_page(element->addr); + if (*pfrag == 0) { + /* the upper protocol layers assume that there is data in the + * skb itself. Copy a small amount (64 bytes) to make them + * happy. */ + *pskb = dev_alloc_skb(64 + QETH_FAKE_LL_LEN_ETH); + if (!(*pskb)) + return -ENOMEM; + skb_reserve(*pskb, QETH_FAKE_LL_LEN_ETH); + if (data_len <= 64) { + memcpy(skb_put(*pskb, data_len), element->addr + offset, + data_len); + } else { + get_page(page); + memcpy(skb_put(*pskb, 64), element->addr + offset, 64); + skb_fill_page_desc(*pskb, *pfrag, page, offset + 64, + data_len - 64); + (*pskb)->data_len += data_len - 64; + (*pskb)->len += data_len - 64; + (*pskb)->truesize += data_len - 64; + } + } else { + get_page(page); + skb_fill_page_desc(*pskb, *pfrag, page, offset, data_len); + (*pskb)->data_len += data_len; + (*pskb)->len += data_len; + (*pskb)->truesize += data_len; + } + (*pfrag)++; + return 0; +} + +static inline struct qeth_buffer_pool_entry * +qeth_find_free_buffer_pool_entry(struct qeth_card *card) +{ + struct list_head *plh; + struct qeth_buffer_pool_entry *entry; + int i, free; + struct page *page; + + if (list_empty(&card->qdio.in_buf_pool.entry_list)) + return NULL; + + list_for_each(plh, &card->qdio.in_buf_pool.entry_list) { + entry = list_entry(plh, struct qeth_buffer_pool_entry, list); + free = 1; + for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i) { + if (page_count(virt_to_page(entry->elements[i])) > 1) { + free = 0; + break; + } + } + if (free) { + list_del_init(&entry->list); + return entry; + } + } + + /* no free buffer in pool so take first one and swap pages */ + entry = list_entry(card->qdio.in_buf_pool.entry_list.next, + struct qeth_buffer_pool_entry, list); + for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i) { + if (page_count(virt_to_page(entry->elements[i])) > 1) { + page = alloc_page(GFP_ATOMIC|GFP_DMA); + if (!page) { + return NULL; + } else { + free_page((unsigned long)entry->elements[i]); + entry->elements[i] = page_address(page); + if (card->options.performance_stats) + card->perf_stats.sg_alloc_page_rx++; + } + } + } + list_del_init(&entry->list); + return entry; +} + static struct sk_buff * qeth_get_next_skb(struct qeth_card *card, struct qdio_buffer *buffer, struct qdio_buffer_element **__element, int *__offset, @@ -2269,6 +2354,8 @@ qeth_get_next_skb(struct qeth_card *card, struct qdio_buffer *buffer, int skb_len; void *data_ptr; int data_len; + int use_rx_sg = 0; + int frag = 0; QETH_DBF_TEXT(trace,6,"nextskb"); /* qeth_hdr must not cross element boundaries */ @@ -2293,23 +2380,43 @@ qeth_get_next_skb(struct qeth_card *card, struct qdio_buffer *buffer, if (!skb_len) return NULL; - if (card->options.fake_ll){ - if(card->dev->type == ARPHRD_IEEE802_TR){ - if (!(skb = qeth_get_skb(skb_len+QETH_FAKE_LL_LEN_TR, *hdr))) - goto no_mem; - skb_reserve(skb,QETH_FAKE_LL_LEN_TR); + if ((skb_len >= card->options.rx_sg_cb) && + (!(card->info.type == QETH_CARD_TYPE_OSN)) && + (!atomic_read(&card->force_alloc_skb))) { + use_rx_sg = 1; + } else { + if (card->options.fake_ll) { + if (card->dev->type == ARPHRD_IEEE802_TR) { + if (!(skb = qeth_get_skb(skb_len + + QETH_FAKE_LL_LEN_TR, *hdr))) + goto no_mem; + skb_reserve(skb, QETH_FAKE_LL_LEN_TR); + } else { + if (!(skb = qeth_get_skb(skb_len + + QETH_FAKE_LL_LEN_ETH, *hdr))) + goto no_mem; + skb_reserve(skb, QETH_FAKE_LL_LEN_ETH); + } } else { - if (!(skb = qeth_get_skb(skb_len+QETH_FAKE_LL_LEN_ETH, *hdr))) + skb = qeth_get_skb(skb_len, *hdr); + if (!skb) goto no_mem; - skb_reserve(skb,QETH_FAKE_LL_LEN_ETH); } - } else if (!(skb = qeth_get_skb(skb_len, *hdr))) - goto no_mem; + } + data_ptr = element->addr + offset; while (skb_len) { data_len = min(skb_len, (int)(element->length - offset)); - if (data_len) - memcpy(skb_put(skb, data_len), data_ptr, data_len); + if (data_len) { + if (use_rx_sg) { + if (qeth_create_skb_frag(element, &skb, offset, + &frag, data_len)) + goto no_mem; + } else { + memcpy(skb_put(skb, data_len), data_ptr, + data_len); + } + } skb_len -= data_len; if (skb_len){ if (qeth_is_last_sbale(element)){ @@ -2331,6 +2438,10 @@ qeth_get_next_skb(struct qeth_card *card, struct qdio_buffer *buffer, } *__element = element; *__offset = offset; + if (use_rx_sg && card->options.performance_stats) { + card->perf_stats.sg_skbs_rx++; + card->perf_stats.sg_frags_rx += skb_shinfo(skb)->nr_frags; + } return skb; no_mem: if (net_ratelimit()){ @@ -2608,28 +2719,15 @@ qeth_process_inbound_buffer(struct qeth_card *card, } } -static struct qeth_buffer_pool_entry * -qeth_get_buffer_pool_entry(struct qeth_card *card) -{ - struct qeth_buffer_pool_entry *entry; - - QETH_DBF_TEXT(trace, 6, "gtbfplen"); - if (!list_empty(&card->qdio.in_buf_pool.entry_list)) { - entry = list_entry(card->qdio.in_buf_pool.entry_list.next, - struct qeth_buffer_pool_entry, list); - list_del_init(&entry->list); - return entry; - } - return NULL; -} - -static void +static int qeth_init_input_buffer(struct qeth_card *card, struct qeth_qdio_buffer *buf) { struct qeth_buffer_pool_entry *pool_entry; int i; - - pool_entry = qeth_get_buffer_pool_entry(card); + + pool_entry = qeth_find_free_buffer_pool_entry(card); + if (!pool_entry) + return 1; /* * since the buffer is accessed only from the input_tasklet * there shouldn't be a need to synchronize; also, since we use @@ -2648,6 +2746,7 @@ qeth_init_input_buffer(struct qeth_card *card, struct qeth_qdio_buffer *buf) buf->buffer->element[i].flags = 0; } buf->state = QETH_QDIO_BUF_EMPTY; + return 0; } static void @@ -2682,6 +2781,7 @@ qeth_queue_input_buffer(struct qeth_card *card, int index) int count; int i; int rc; + int newcount = 0; QETH_DBF_TEXT(trace,6,"queinbuf"); count = (index < queue->next_buf_to_init)? @@ -2692,9 +2792,27 @@ qeth_queue_input_buffer(struct qeth_card *card, int index) /* only requeue at a certain threshold to avoid SIGAs */ if (count >= QETH_IN_BUF_REQUEUE_THRESHOLD(card)){ for (i = queue->next_buf_to_init; - i < queue->next_buf_to_init + count; ++i) - qeth_init_input_buffer(card, - &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q]); + i < queue->next_buf_to_init + count; ++i) { + if (qeth_init_input_buffer(card, + &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q])) { + break; + } else { + newcount++; + } + } + + if (newcount < count) { + /* we are in memory shortage so we switch back to + traditional skb allocation and drop packages */ + if (atomic_cmpxchg(&card->force_alloc_skb, 0, 1)) + printk(KERN_WARNING + "qeth: switch to alloc skb\n"); + count = newcount; + } else { + if (atomic_cmpxchg(&card->force_alloc_skb, 1, 0)) + printk(KERN_WARNING "qeth: switch to sg\n"); + } + /* * according to old code it should be avoided to requeue all * 128 buffers in order to benefit from PCI avoidance. @@ -6494,6 +6612,7 @@ qeth_hardsetup_card(struct qeth_card *card) QETH_DBF_TEXT(setup, 2, "hrdsetup"); + atomic_set(&card->force_alloc_skb, 0); retry: if (retries < 3){ PRINT_WARN("Retrying to do IDX activates.\n"); diff --git a/drivers/s390/net/qeth_proc.c b/drivers/s390/net/qeth_proc.c index 89d56c8ecdd..f1ff165a5e0 100644 --- a/drivers/s390/net/qeth_proc.c +++ b/drivers/s390/net/qeth_proc.c @@ -212,6 +212,12 @@ qeth_perf_procfile_seq_show(struct seq_file *s, void *it) " Skb fragments sent in SG mode : %u\n\n", card->perf_stats.sg_skbs_sent, card->perf_stats.sg_frags_sent); + seq_printf(s, " Skbs received in SG mode : %u\n" + " Skb fragments received in SG mode : %u\n" + " Page allocations for rx SG mode : %u\n\n", + card->perf_stats.sg_skbs_rx, + card->perf_stats.sg_frags_rx, + card->perf_stats.sg_alloc_page_rx); seq_printf(s, " large_send tx (in Kbytes) : %u\n" " large_send count : %u\n\n", card->perf_stats.large_send_bytes >> 10, diff --git a/drivers/serial/cpm_uart/cpm_uart_core.c b/drivers/serial/cpm_uart/cpm_uart_core.c index b63ff8dd730..cefde58dbad 100644 --- a/drivers/serial/cpm_uart/cpm_uart_core.c +++ b/drivers/serial/cpm_uart/cpm_uart_core.c @@ -678,7 +678,7 @@ static int cpm_uart_tx_pump(struct uart_port *port) } bdp->cbd_datlen = count; bdp->cbd_sc |= BD_SC_READY; - __asm__("eieio"); + eieio(); /* Get next BD. */ if (bdp->cbd_sc & BD_SC_WRAP) bdp = pinfo->tx_bd_base; diff --git a/drivers/serial/of_serial.c b/drivers/serial/of_serial.c index 7ffdaeaf054..a64d8582199 100644 --- a/drivers/serial/of_serial.c +++ b/drivers/serial/of_serial.c @@ -17,6 +17,11 @@ #include <asm/of_platform.h> #include <asm/prom.h> +struct of_serial_info { + int type; + int line; +}; + /* * Fill a struct uart_port for a given device node */ @@ -62,6 +67,7 @@ static int __devinit of_platform_serial_setup(struct of_device *ofdev, static int __devinit of_platform_serial_probe(struct of_device *ofdev, const struct of_device_id *id) { + struct of_serial_info *info; struct uart_port port; int port_type; int ret; @@ -69,30 +75,35 @@ static int __devinit of_platform_serial_probe(struct of_device *ofdev, if (of_find_property(ofdev->node, "used-by-rtas", NULL)) return -EBUSY; + info = kmalloc(sizeof(*info), GFP_KERNEL); + if (info == NULL) + return -ENOMEM; + port_type = (unsigned long)id->data; ret = of_platform_serial_setup(ofdev, port_type, &port); if (ret) goto out; switch (port_type) { - case PORT_UNKNOWN: - dev_info(&ofdev->dev, "Unknown serial port found, " - "attempting to use 8250 driver\n"); - /* fallthrough */ case PORT_8250 ... PORT_MAX_8250: ret = serial8250_register_port(&port); break; default: /* need to add code for these */ + case PORT_UNKNOWN: + dev_info(&ofdev->dev, "Unknown serial port found, ignored\n"); ret = -ENODEV; break; } if (ret < 0) goto out; - ofdev->dev.driver_data = (void *)(unsigned long)ret; + info->type = port_type; + info->line = ret; + ofdev->dev.driver_data = info; return 0; out: + kfree(info); irq_dispose_mapping(port.irq); return ret; } @@ -102,8 +113,16 @@ out: */ static int of_platform_serial_remove(struct of_device *ofdev) { - int line = (unsigned long)ofdev->dev.driver_data; - serial8250_unregister_port(line); + struct of_serial_info *info = ofdev->dev.driver_data; + switch (info->type) { + case PORT_8250 ... PORT_MAX_8250: + serial8250_unregister_port(info->line); + break; + default: + /* need to add code for these */ + break; + } + kfree(info); return 0; } diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index 403dac787eb..9b7a76be36a 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -1790,8 +1790,8 @@ config FB_IBM_GXT4500 adaptor, found on some IBM System P (pSeries) machines. config FB_PS3 - bool "PS3 GPU framebuffer driver" - depends on (FB = y) && PS3_PS3AV + tristate "PS3 GPU framebuffer driver" + depends on FB && PS3_PS3AV select FB_SYS_FILLRECT select FB_SYS_COPYAREA select FB_SYS_IMAGEBLIT diff --git a/drivers/video/ps3fb.c b/drivers/video/ps3fb.c index 9cf92ba5d6e..08b7ffbbbbd 100644 --- a/drivers/video/ps3fb.c +++ b/drivers/video/ps3fb.c @@ -27,7 +27,6 @@ #include <linux/vmalloc.h> #include <linux/delay.h> #include <linux/interrupt.h> -#include <linux/platform_device.h> #include <linux/console.h> #include <linux/ioctl.h> #include <linux/notifier.h> @@ -46,6 +45,9 @@ #include <asm/ps3fb.h> #include <asm/ps3.h> + +#define DEVICE_NAME "ps3fb" + #ifdef PS3FB_DEBUG #define DPRINTK(fmt, args...) printk("%s: " fmt, __func__ , ##args) #else @@ -126,7 +128,6 @@ struct gpu_driver_info { struct ps3fb_priv { unsigned int irq_no; - void *dev; u64 context_handle, memory_handle; void *xdr_ea; @@ -171,7 +172,7 @@ static const struct ps3fb_res_table ps3fb_res[] = { { 0, 0, 0, 0 , 0} }; /* default resolution */ -#define GPU_RES_INDEX 0 /* 720 x 480 */ +#define GPU_RES_INDEX 0 /* 720 x 480 */ static const struct fb_videomode ps3fb_modedb[] = { /* 60 Hz broadcast modes (modes "1" to "5") */ @@ -298,10 +299,9 @@ static const struct fb_videomode ps3fb_modedb[] = { #define FB_OFF(i) (GPU_OFFSET - VP_OFF(i) % GPU_OFFSET) static int ps3fb_mode; -module_param(ps3fb_mode, bool, 0); - -static char *mode_option __initdata; +module_param(ps3fb_mode, int, 0); +static char *mode_option __devinitdata; static int ps3fb_get_res_table(u32 xres, u32 yres) { @@ -681,15 +681,15 @@ int ps3fb_wait_for_vsync(u32 crtc) EXPORT_SYMBOL_GPL(ps3fb_wait_for_vsync); -void ps3fb_flip_ctl(int on) +void ps3fb_flip_ctl(int on, void *data) { + struct ps3fb_priv *priv = data; if (on) - atomic_dec_if_positive(&ps3fb.ext_flip); + atomic_dec_if_positive(&priv->ext_flip); else - atomic_inc(&ps3fb.ext_flip); + atomic_inc(&priv->ext_flip); } -EXPORT_SYMBOL_GPL(ps3fb_flip_ctl); /* * ioctl @@ -851,37 +851,9 @@ static irqreturn_t ps3fb_vsync_interrupt(int irq, void *ptr) return IRQ_HANDLED; } -#ifndef MODULE -static int __init ps3fb_setup(char *options) -{ - char *this_opt; - int mode = 0; - - if (!options || !*options) - return 0; /* no options */ - - while ((this_opt = strsep(&options, ",")) != NULL) { - if (!*this_opt) - continue; - if (!strncmp(this_opt, "mode:", 5)) - mode = simple_strtoul(this_opt + 5, NULL, 0); - else - mode_option = this_opt; - } - return mode; -} -#endif /* MODULE */ - - /* - * Initialisation - */ -static void ps3fb_platform_release(struct device *device) -{ - /* This is called when the reference count goes to zero. */ -} - -static int ps3fb_vsync_settings(struct gpu_driver_info *dinfo, void *dev) +static int ps3fb_vsync_settings(struct gpu_driver_info *dinfo, + struct ps3_system_bus_device *dev) { int error; @@ -897,7 +869,6 @@ static int ps3fb_vsync_settings(struct gpu_driver_info *dinfo, void *dev) return -EINVAL; } - ps3fb.dev = dev; error = ps3_irq_plug_setup(PS3_BINDING_CPU_ANY, dinfo->irq.irq_outlet, &ps3fb.irq_no); if (error) { @@ -907,7 +878,7 @@ static int ps3fb_vsync_settings(struct gpu_driver_info *dinfo, void *dev) } error = request_irq(ps3fb.irq_no, ps3fb_vsync_interrupt, IRQF_DISABLED, - "ps3fb vsync", ps3fb.dev); + DEVICE_NAME, dev); if (error) { printk(KERN_ERR "%s: request_irq failed %d\n", __func__, error); @@ -966,16 +937,45 @@ static struct fb_ops ps3fb_ops = { }; static struct fb_fix_screeninfo ps3fb_fix __initdata = { - .id = "PS3 FB", + .id = DEVICE_NAME, .type = FB_TYPE_PACKED_PIXELS, .visual = FB_VISUAL_TRUECOLOR, .accel = FB_ACCEL_NONE, }; -static int __init ps3fb_probe(struct platform_device *dev) +static int ps3fb_set_sync(void) +{ + int status; + +#ifdef HEAD_A + status = lv1_gpu_context_attribute(0x0, + L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC, + 0, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0); + if (status) { + printk(KERN_ERR "%s: lv1_gpu_context_attribute DISPLAY_SYNC " + "failed: %d\n", __func__, status); + return -1; + } +#endif +#ifdef HEAD_B + status = lv1_gpu_context_attribute(0x0, + L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC, + 1, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0); + + if (status) { + printk(KERN_ERR "%s: lv1_gpu_context_attribute DISPLAY_MODE " + "failed: %d\n", __func__, status); + return -1; + } +#endif + return 0; +} + +static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev) { struct fb_info *info; int retval = -ENOMEM; + u32 xres, yres; u64 ddr_lpar = 0; u64 lpar_dma_control = 0; u64 lpar_driver_info = 0; @@ -986,6 +986,30 @@ static int __init ps3fb_probe(struct platform_device *dev) unsigned long offset; struct task_struct *task; + status = ps3_open_hv_device(dev); + if (status) { + printk(KERN_ERR "%s: ps3_open_hv_device failed\n", __func__); + goto err; + } + + if (!ps3fb_mode) + ps3fb_mode = ps3av_get_mode(); + DPRINTK("ps3av_mode:%d\n", ps3fb_mode); + + if (ps3fb_mode > 0 && + !ps3av_video_mode2res(ps3fb_mode, &xres, &yres)) { + ps3fb.res_index = ps3fb_get_res_table(xres, yres); + DPRINTK("res_index:%d\n", ps3fb.res_index); + } else + ps3fb.res_index = GPU_RES_INDEX; + + atomic_set(&ps3fb.f_count, -1); /* fbcon opens ps3fb */ + atomic_set(&ps3fb.ext_flip, 0); /* for flip with vsync */ + init_waitqueue_head(&ps3fb.wait_vsync); + ps3fb.num_frames = 1; + + ps3fb_set_sync(); + /* get gpu context handle */ status = lv1_gpu_memory_allocate(DDR_SIZE, 0, 0, 0, 0, &ps3fb.memory_handle, &ddr_lpar); @@ -1029,7 +1053,7 @@ static int __init ps3fb_probe(struct platform_device *dev) * leakage into userspace */ memset(ps3fb.xdr_ea, 0, ps3fb_videomemory.size); - info = framebuffer_alloc(sizeof(u32) * 16, &dev->dev); + info = framebuffer_alloc(sizeof(u32) * 16, &dev->core); if (!info) goto err_free_irq; @@ -1061,19 +1085,20 @@ static int __init ps3fb_probe(struct platform_device *dev) if (retval < 0) goto err_fb_dealloc; - platform_set_drvdata(dev, info); + dev->core.driver_data = info; printk(KERN_INFO "fb%d: PS3 frame buffer device, using %ld KiB of video memory\n", info->node, ps3fb_videomemory.size >> 10); - task = kthread_run(ps3fbd, info, "ps3fbd"); + task = kthread_run(ps3fbd, info, DEVICE_NAME); if (IS_ERR(task)) { retval = PTR_ERR(task); goto err_unregister_framebuffer; } ps3fb.task = task; + ps3av_register_flip_ctl(ps3fb_flip_ctl, &ps3fb); return 0; @@ -1084,7 +1109,7 @@ err_fb_dealloc: err_framebuffer_release: framebuffer_release(info); err_free_irq: - free_irq(ps3fb.irq_no, ps3fb.dev); + free_irq(ps3fb.irq_no, dev); ps3_irq_plug_destroy(ps3fb.irq_no); err_iounmap_dinfo: iounmap((u8 __iomem *)ps3fb.dinfo); @@ -1096,26 +1121,30 @@ err: return retval; } -static void ps3fb_shutdown(struct platform_device *dev) +static int ps3fb_shutdown(struct ps3_system_bus_device *dev) { - ps3fb_flip_ctl(0); /* flip off */ + int status; + struct fb_info *info = dev->core.driver_data; + + DPRINTK(" -> %s:%d\n", __func__, __LINE__); + + ps3fb_flip_ctl(0, &ps3fb); /* flip off */ ps3fb.dinfo->irq.mask = 0; - free_irq(ps3fb.irq_no, ps3fb.dev); - ps3_irq_plug_destroy(ps3fb.irq_no); - iounmap((u8 __iomem *)ps3fb.dinfo); -} -void ps3fb_cleanup(void) -{ - int status; + if (info) { + unregister_framebuffer(info); + fb_dealloc_cmap(&info->cmap); + framebuffer_release(info); + } + ps3av_register_flip_ctl(NULL, NULL); if (ps3fb.task) { struct task_struct *task = ps3fb.task; ps3fb.task = NULL; kthread_stop(task); } if (ps3fb.irq_no) { - free_irq(ps3fb.irq_no, ps3fb.dev); + free_irq(ps3fb.irq_no, dev); ps3_irq_plug_destroy(ps3fb.irq_no); } iounmap((u8 __iomem *)ps3fb.dinfo); @@ -1128,134 +1157,69 @@ void ps3fb_cleanup(void) if (status) DPRINTK("lv1_gpu_memory_free failed: %d\n", status); - ps3av_dev_close(); -} + ps3_close_hv_device(dev); + DPRINTK(" <- %s:%d\n", __func__, __LINE__); -EXPORT_SYMBOL_GPL(ps3fb_cleanup); - -static int ps3fb_remove(struct platform_device *dev) -{ - struct fb_info *info = platform_get_drvdata(dev); - - if (info) { - unregister_framebuffer(info); - fb_dealloc_cmap(&info->cmap); - framebuffer_release(info); - } - ps3fb_cleanup(); return 0; } -static struct platform_driver ps3fb_driver = { - .probe = ps3fb_probe, - .remove = ps3fb_remove, - .shutdown = ps3fb_shutdown, - .driver = { .name = "ps3fb" } -}; - -static struct platform_device ps3fb_device = { - .name = "ps3fb", - .id = 0, - .dev = { .release = ps3fb_platform_release } +static struct ps3_system_bus_driver ps3fb_driver = { + .match_id = PS3_MATCH_ID_GRAPHICS, + .core.name = DEVICE_NAME, + .core.owner = THIS_MODULE, + .probe = ps3fb_probe, + .remove = ps3fb_shutdown, + .shutdown = ps3fb_shutdown, }; -int ps3fb_set_sync(void) +static int __init ps3fb_setup(void) { - int status; + char *options; -#ifdef HEAD_A - status = lv1_gpu_context_attribute(0x0, - L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC, - 0, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0); - if (status) { - printk(KERN_ERR - "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: %d\n", - __func__, status); - return -1; - } -#endif -#ifdef HEAD_B - status = lv1_gpu_context_attribute(0x0, - L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC, - 1, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0); - - if (status) { - printk(KERN_ERR - "%s: lv1_gpu_context_attribute DISPLAY_MODE failed: %d\n", - __func__, status); - return -1; - } -#endif +#ifdef MODULE return 0; -} - -EXPORT_SYMBOL_GPL(ps3fb_set_sync); - -static int __init ps3fb_init(void) -{ - int error; -#ifndef MODULE - int mode; - char *option = NULL; - - if (fb_get_options("ps3fb", &option)) - goto err; #endif - if (!ps3fb_videomemory.address) - goto err; - - error = ps3av_dev_open(); - if (error) { - printk(KERN_ERR "%s: ps3av_dev_open failed\n", __func__); - goto err; - } + if (fb_get_options(DEVICE_NAME, &options)) + return -ENXIO; - ps3fb_mode = ps3av_get_mode(); - DPRINTK("ps3av_mode:%d\n", ps3fb_mode); -#ifndef MODULE - mode = ps3fb_setup(option); /* check boot option */ - if (mode) - ps3fb_mode = mode; -#endif - if (ps3fb_mode > 0) { - u32 xres, yres; - ps3av_video_mode2res(ps3fb_mode, &xres, &yres); - ps3fb.res_index = ps3fb_get_res_table(xres, yres); - DPRINTK("res_index:%d\n", ps3fb.res_index); - } else - ps3fb.res_index = GPU_RES_INDEX; + if (!options || !*options) + return 0; - atomic_set(&ps3fb.f_count, -1); /* fbcon opens ps3fb */ - atomic_set(&ps3fb.ext_flip, 0); /* for flip with vsync */ - init_waitqueue_head(&ps3fb.wait_vsync); - ps3fb.num_frames = 1; + while (1) { + char *this_opt = strsep(&options, ","); - error = platform_driver_register(&ps3fb_driver); - if (!error) { - error = platform_device_register(&ps3fb_device); - if (error) - platform_driver_unregister(&ps3fb_driver); + if (!this_opt) + break; + if (!*this_opt) + continue; + if (!strncmp(this_opt, "mode:", 5)) + ps3fb_mode = simple_strtoul(this_opt + 5, NULL, 0); + else + mode_option = this_opt; } + return 0; +} - ps3fb_set_sync(); - - return error; +static int __init ps3fb_init(void) +{ + if (!ps3fb_videomemory.address || ps3fb_setup()) + return -ENXIO; -err: - return -ENXIO; + return ps3_system_bus_driver_register(&ps3fb_driver); } -module_init(ps3fb_init); - -#ifdef MODULE static void __exit ps3fb_exit(void) { - platform_device_unregister(&ps3fb_device); - platform_driver_unregister(&ps3fb_driver); + DPRINTK(" -> %s:%d\n", __func__, __LINE__); + ps3_system_bus_driver_unregister(&ps3fb_driver); + DPRINTK(" <- %s:%d\n", __func__, __LINE__); } +module_init(ps3fb_init); module_exit(ps3fb_exit); MODULE_LICENSE("GPL"); -#endif /* MODULE */ +MODULE_DESCRIPTION("PS3 GPU Frame Buffer Driver"); +MODULE_AUTHOR("Sony Computer Entertainment Inc."); +MODULE_ALIAS(PS3_MODULE_ALIAS_GRAPHICS); |