diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-trans.c')
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-trans.c | 402 |
1 files changed, 144 insertions, 258 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.c b/drivers/net/wireless/iwlwifi/iwl-trans.c index cec13ad..b2e89077 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans.c +++ b/drivers/net/wireless/iwlwifi/iwl-trans.c @@ -65,14 +65,13 @@ #include <linux/bitops.h> #include <linux/gfp.h> -#include "iwl-dev.h" #include "iwl-trans.h" -#include "iwl-core.h" -#include "iwl-helpers.h" #include "iwl-trans-int-pcie.h" -/*TODO remove uneeded includes when the transport layer tx_free will be here */ -#include "iwl-agn.h" +#include "iwl-csr.h" +#include "iwl-prph.h" #include "iwl-shared.h" +#include "iwl-eeprom.h" +#include "iwl-agn-hw.h" static int iwl_trans_rx_alloc(struct iwl_trans *trans) { @@ -604,9 +603,8 @@ error: return ret; } -static void iwl_set_pwr_vmain(struct iwl_priv *priv) +static void iwl_set_pwr_vmain(struct iwl_trans *trans) { - struct iwl_trans *trans = trans(priv); /* * (for documentation purposes) * to set power to V_AUX, do: @@ -625,11 +623,10 @@ static void iwl_set_pwr_vmain(struct iwl_priv *priv) static int iwl_nic_init(struct iwl_trans *trans) { unsigned long flags; - struct iwl_priv *priv = priv(trans); /* nic_init */ spin_lock_irqsave(&trans->shrd->lock, flags); - iwl_apm_init(priv); + iwl_apm_init(priv(trans)); /* Set interrupt coalescing calibration timer to default (512 usecs) */ iwl_write8(bus(trans), CSR_INT_COALESCING, @@ -637,9 +634,9 @@ static int iwl_nic_init(struct iwl_trans *trans) spin_unlock_irqrestore(&trans->shrd->lock, flags); - iwl_set_pwr_vmain(priv); + iwl_set_pwr_vmain(trans); - priv->cfg->lib->nic_config(priv); + iwl_nic_config(priv(trans)); /* Allocate the RX queue, or reset if it is already allocated */ iwl_rx_init(trans); @@ -764,7 +761,6 @@ static const u8 iwlagn_pan_ac_to_queue[] = { static int iwl_trans_pcie_start_device(struct iwl_trans *trans) { int ret; - struct iwl_priv *priv = priv(trans); struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); @@ -792,7 +788,7 @@ static int iwl_trans_pcie_start_device(struct iwl_trans *trans) set_bit(STATUS_RF_KILL_HW, &trans->shrd->status); if (iwl_is_rfkill(trans->shrd)) { - wiphy_rfkill_set_hw_state(priv->hw->wiphy, true); + iwl_set_hw_rfkill_state(priv(trans), true); iwl_enable_interrupts(trans); return -ERFKILL; } @@ -833,8 +829,6 @@ static void iwl_trans_txq_set_sched(struct iwl_trans *trans, u32 mask) static void iwl_trans_pcie_tx_start(struct iwl_trans *trans) { const struct queue_to_fifo_ac *queue_to_fifo; - struct iwl_rxon_context *ctx; - struct iwl_priv *priv = priv(trans); struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); u32 a; @@ -902,7 +896,7 @@ static void iwl_trans_pcie_tx_start(struct iwl_trans *trans) iwl_trans_txq_set_sched(trans, IWL_MASK(0, 7)); /* map queues to FIFOs */ - if (priv->valid_contexts != BIT(IWL_RXON_CTX_BSS)) + if (trans->shrd->valid_contexts != BIT(IWL_RXON_CTX_BSS)) queue_to_fifo = iwlagn_ipan_queue_to_tx_fifo; else queue_to_fifo = iwlagn_default_queue_to_tx_fifo; @@ -914,8 +908,6 @@ static void iwl_trans_pcie_tx_start(struct iwl_trans *trans) sizeof(trans_pcie->queue_stopped)); for (i = 0; i < 4; i++) atomic_set(&trans_pcie->queue_stop_count[i], 0); - for_each_context(priv, ctx) - ctx->last_tx_rejected = false; /* reset to 0 to enable all the queue first */ trans_pcie->txq_ctx_active_msk = 0; @@ -1397,7 +1389,7 @@ static int iwl_trans_pcie_resume(struct iwl_trans *trans) else clear_bit(STATUS_RF_KILL_HW, &trans->shrd->status); - wiphy_rfkill_set_hw_state(priv(trans)->hw->wiphy, hw_rfkill); + iwl_set_hw_rfkill_state(priv(trans), hw_rfkill); return 0; } @@ -1505,12 +1497,144 @@ static int iwl_trans_pcie_check_stuck_queue(struct iwl_trans *trans, int cnt) if (time_after(jiffies, timeout)) { IWL_ERR(trans, "Queue %d stuck for %u ms.\n", q->id, hw_params(trans).wd_timeout); + IWL_ERR(trans, "Current read_ptr %d write_ptr %d\n", + q->read_ptr, q->write_ptr); return 1; } return 0; } +static const char *get_fh_string(int cmd) +{ + switch (cmd) { + IWL_CMD(FH_RSCSR_CHNL0_STTS_WPTR_REG); + IWL_CMD(FH_RSCSR_CHNL0_RBDCB_BASE_REG); + IWL_CMD(FH_RSCSR_CHNL0_WPTR); + IWL_CMD(FH_MEM_RCSR_CHNL0_CONFIG_REG); + IWL_CMD(FH_MEM_RSSR_SHARED_CTRL_REG); + IWL_CMD(FH_MEM_RSSR_RX_STATUS_REG); + IWL_CMD(FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV); + IWL_CMD(FH_TSSR_TX_STATUS_REG); + IWL_CMD(FH_TSSR_TX_ERROR_REG); + default: + return "UNKNOWN"; + } +} + +int iwl_dump_fh(struct iwl_trans *trans, char **buf, bool display) +{ + int i; +#ifdef CONFIG_IWLWIFI_DEBUG + int pos = 0; + size_t bufsz = 0; +#endif + static const u32 fh_tbl[] = { + FH_RSCSR_CHNL0_STTS_WPTR_REG, + FH_RSCSR_CHNL0_RBDCB_BASE_REG, + FH_RSCSR_CHNL0_WPTR, + FH_MEM_RCSR_CHNL0_CONFIG_REG, + FH_MEM_RSSR_SHARED_CTRL_REG, + FH_MEM_RSSR_RX_STATUS_REG, + FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV, + FH_TSSR_TX_STATUS_REG, + FH_TSSR_TX_ERROR_REG + }; +#ifdef CONFIG_IWLWIFI_DEBUG + if (display) { + bufsz = ARRAY_SIZE(fh_tbl) * 48 + 40; + *buf = kmalloc(bufsz, GFP_KERNEL); + if (!*buf) + return -ENOMEM; + pos += scnprintf(*buf + pos, bufsz - pos, + "FH register values:\n"); + for (i = 0; i < ARRAY_SIZE(fh_tbl); i++) { + pos += scnprintf(*buf + pos, bufsz - pos, + " %34s: 0X%08x\n", + get_fh_string(fh_tbl[i]), + iwl_read_direct32(bus(trans), fh_tbl[i])); + } + return pos; + } +#endif + IWL_ERR(trans, "FH register values:\n"); + for (i = 0; i < ARRAY_SIZE(fh_tbl); i++) { + IWL_ERR(trans, " %34s: 0X%08x\n", + get_fh_string(fh_tbl[i]), + iwl_read_direct32(bus(trans), fh_tbl[i])); + } + return 0; +} + +static const char *get_csr_string(int cmd) +{ + switch (cmd) { + IWL_CMD(CSR_HW_IF_CONFIG_REG); + IWL_CMD(CSR_INT_COALESCING); + IWL_CMD(CSR_INT); + IWL_CMD(CSR_INT_MASK); + IWL_CMD(CSR_FH_INT_STATUS); + IWL_CMD(CSR_GPIO_IN); + IWL_CMD(CSR_RESET); + IWL_CMD(CSR_GP_CNTRL); + IWL_CMD(CSR_HW_REV); + IWL_CMD(CSR_EEPROM_REG); + IWL_CMD(CSR_EEPROM_GP); + IWL_CMD(CSR_OTP_GP_REG); + IWL_CMD(CSR_GIO_REG); + IWL_CMD(CSR_GP_UCODE_REG); + IWL_CMD(CSR_GP_DRIVER_REG); + IWL_CMD(CSR_UCODE_DRV_GP1); + IWL_CMD(CSR_UCODE_DRV_GP2); + IWL_CMD(CSR_LED_REG); + IWL_CMD(CSR_DRAM_INT_TBL_REG); + IWL_CMD(CSR_GIO_CHICKEN_BITS); + IWL_CMD(CSR_ANA_PLL_CFG); + IWL_CMD(CSR_HW_REV_WA_REG); + IWL_CMD(CSR_DBG_HPET_MEM_REG); + default: + return "UNKNOWN"; + } +} + +void iwl_dump_csr(struct iwl_trans *trans) +{ + int i; + static const u32 csr_tbl[] = { + CSR_HW_IF_CONFIG_REG, + CSR_INT_COALESCING, + CSR_INT, + CSR_INT_MASK, + CSR_FH_INT_STATUS, + CSR_GPIO_IN, + CSR_RESET, + CSR_GP_CNTRL, + CSR_HW_REV, + CSR_EEPROM_REG, + CSR_EEPROM_GP, + CSR_OTP_GP_REG, + CSR_GIO_REG, + CSR_GP_UCODE_REG, + CSR_GP_DRIVER_REG, + CSR_UCODE_DRV_GP1, + CSR_UCODE_DRV_GP2, + CSR_LED_REG, + CSR_DRAM_INT_TBL_REG, + CSR_GIO_CHICKEN_BITS, + CSR_ANA_PLL_CFG, + CSR_HW_REV_WA_REG, + CSR_DBG_HPET_MEM_REG + }; + IWL_ERR(trans, "CSR values:\n"); + IWL_ERR(trans, "(2nd byte of CSR_INT_COALESCING is " + "CSR_INT_PERIODIC_REG)\n"); + for (i = 0; i < ARRAY_SIZE(csr_tbl); i++) { + IWL_ERR(trans, " %25s: 0X%08x\n", + get_csr_string(csr_tbl[i]), + iwl_read32(bus(trans), csr_tbl[i])); + } +} + #ifdef CONFIG_IWLWIFI_DEBUGFS /* create and remove of files */ #define DEBUGFS_ADD_FILE(name, parent, mode) do { \ @@ -1563,118 +1687,12 @@ static const struct file_operations iwl_dbgfs_##name##_ops = { \ .llseek = generic_file_llseek, \ }; -static ssize_t iwl_dbgfs_traffic_log_read(struct file *file, - char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct iwl_trans *trans = file->private_data; - struct iwl_priv *priv = priv(trans); - int pos = 0, ofs = 0; - int cnt = 0, entry; - struct iwl_trans_pcie *trans_pcie = - IWL_TRANS_GET_PCIE_TRANS(trans); - struct iwl_tx_queue *txq; - struct iwl_queue *q; - struct iwl_rx_queue *rxq = &trans_pcie->rxq; - char *buf; - int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) + - (hw_params(trans).max_txq_num * 32 * 8) + 400; - const u8 *ptr; - ssize_t ret; - - if (!trans_pcie->txq) { - IWL_ERR(trans, "txq not ready\n"); - return -EAGAIN; - } - buf = kzalloc(bufsz, GFP_KERNEL); - if (!buf) { - IWL_ERR(trans, "Can not allocate buffer\n"); - return -ENOMEM; - } - pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n"); - for (cnt = 0; cnt < hw_params(trans).max_txq_num; cnt++) { - txq = &trans_pcie->txq[cnt]; - q = &txq->q; - pos += scnprintf(buf + pos, bufsz - pos, - "q[%d]: read_ptr: %u, write_ptr: %u\n", - cnt, q->read_ptr, q->write_ptr); - } - if (priv->tx_traffic && - (iwl_get_debug_level(trans->shrd) & IWL_DL_TX)) { - ptr = priv->tx_traffic; - pos += scnprintf(buf + pos, bufsz - pos, - "Tx Traffic idx: %u\n", priv->tx_traffic_idx); - for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) { - for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16; - entry++, ofs += 16) { - pos += scnprintf(buf + pos, bufsz - pos, - "0x%.4x ", ofs); - hex_dump_to_buffer(ptr + ofs, 16, 16, 2, - buf + pos, bufsz - pos, 0); - pos += strlen(buf + pos); - if (bufsz - pos > 0) - buf[pos++] = '\n'; - } - } - } - - pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n"); - pos += scnprintf(buf + pos, bufsz - pos, - "read: %u, write: %u\n", - rxq->read, rxq->write); - - if (priv->rx_traffic && - (iwl_get_debug_level(trans->shrd) & IWL_DL_RX)) { - ptr = priv->rx_traffic; - pos += scnprintf(buf + pos, bufsz - pos, - "Rx Traffic idx: %u\n", priv->rx_traffic_idx); - for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) { - for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16; - entry++, ofs += 16) { - pos += scnprintf(buf + pos, bufsz - pos, - "0x%.4x ", ofs); - hex_dump_to_buffer(ptr + ofs, 16, 16, 2, - buf + pos, bufsz - pos, 0); - pos += strlen(buf + pos); - if (bufsz - pos > 0) - buf[pos++] = '\n'; - } - } - } - - ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); - kfree(buf); - return ret; -} - -static ssize_t iwl_dbgfs_traffic_log_write(struct file *file, - const char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct iwl_trans *trans = file->private_data; - char buf[8]; - int buf_size; - int traffic_log; - - memset(buf, 0, sizeof(buf)); - buf_size = min(count, sizeof(buf) - 1); - if (copy_from_user(buf, user_buf, buf_size)) - return -EFAULT; - if (sscanf(buf, "%d", &traffic_log) != 1) - return -EFAULT; - if (traffic_log == 0) - iwl_reset_traffic_log(priv(trans)); - - return count; -} - static ssize_t iwl_dbgfs_tx_queue_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct iwl_trans *trans = file->private_data; struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - struct iwl_priv *priv = priv(trans); struct iwl_tx_queue *txq; struct iwl_queue *q; char *buf; @@ -1684,7 +1702,7 @@ static ssize_t iwl_dbgfs_tx_queue_read(struct file *file, const size_t bufsz = sizeof(char) * 64 * hw_params(trans).max_txq_num; if (!trans_pcie->txq) { - IWL_ERR(priv, "txq not ready\n"); + IWL_ERR(trans, "txq not ready\n"); return -EAGAIN; } buf = kzalloc(bufsz, GFP_KERNEL); @@ -1864,75 +1882,6 @@ static ssize_t iwl_dbgfs_interrupt_write(struct file *file, return count; } -static const char *get_csr_string(int cmd) -{ - switch (cmd) { - IWL_CMD(CSR_HW_IF_CONFIG_REG); - IWL_CMD(CSR_INT_COALESCING); - IWL_CMD(CSR_INT); - IWL_CMD(CSR_INT_MASK); - IWL_CMD(CSR_FH_INT_STATUS); - IWL_CMD(CSR_GPIO_IN); - IWL_CMD(CSR_RESET); - IWL_CMD(CSR_GP_CNTRL); - IWL_CMD(CSR_HW_REV); - IWL_CMD(CSR_EEPROM_REG); - IWL_CMD(CSR_EEPROM_GP); - IWL_CMD(CSR_OTP_GP_REG); - IWL_CMD(CSR_GIO_REG); - IWL_CMD(CSR_GP_UCODE_REG); - IWL_CMD(CSR_GP_DRIVER_REG); - IWL_CMD(CSR_UCODE_DRV_GP1); - IWL_CMD(CSR_UCODE_DRV_GP2); - IWL_CMD(CSR_LED_REG); - IWL_CMD(CSR_DRAM_INT_TBL_REG); - IWL_CMD(CSR_GIO_CHICKEN_BITS); - IWL_CMD(CSR_ANA_PLL_CFG); - IWL_CMD(CSR_HW_REV_WA_REG); - IWL_CMD(CSR_DBG_HPET_MEM_REG); - default: - return "UNKNOWN"; - } -} - -void iwl_dump_csr(struct iwl_trans *trans) -{ - int i; - static const u32 csr_tbl[] = { - CSR_HW_IF_CONFIG_REG, - CSR_INT_COALESCING, - CSR_INT, - CSR_INT_MASK, - CSR_FH_INT_STATUS, - CSR_GPIO_IN, - CSR_RESET, - CSR_GP_CNTRL, - CSR_HW_REV, - CSR_EEPROM_REG, - CSR_EEPROM_GP, - CSR_OTP_GP_REG, - CSR_GIO_REG, - CSR_GP_UCODE_REG, - CSR_GP_DRIVER_REG, - CSR_UCODE_DRV_GP1, - CSR_UCODE_DRV_GP2, - CSR_LED_REG, - CSR_DRAM_INT_TBL_REG, - CSR_GIO_CHICKEN_BITS, - CSR_ANA_PLL_CFG, - CSR_HW_REV_WA_REG, - CSR_DBG_HPET_MEM_REG - }; - IWL_ERR(trans, "CSR values:\n"); - IWL_ERR(trans, "(2nd byte of CSR_INT_COALESCING is " - "CSR_INT_PERIODIC_REG)\n"); - for (i = 0; i < ARRAY_SIZE(csr_tbl); i++) { - IWL_ERR(trans, " %25s: 0X%08x\n", - get_csr_string(csr_tbl[i]), - iwl_read32(bus(trans), csr_tbl[i])); - } -} - static ssize_t iwl_dbgfs_csr_write(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) @@ -1954,67 +1903,6 @@ static ssize_t iwl_dbgfs_csr_write(struct file *file, return count; } -static const char *get_fh_string(int cmd) -{ - switch (cmd) { - IWL_CMD(FH_RSCSR_CHNL0_STTS_WPTR_REG); - IWL_CMD(FH_RSCSR_CHNL0_RBDCB_BASE_REG); - IWL_CMD(FH_RSCSR_CHNL0_WPTR); - IWL_CMD(FH_MEM_RCSR_CHNL0_CONFIG_REG); - IWL_CMD(FH_MEM_RSSR_SHARED_CTRL_REG); - IWL_CMD(FH_MEM_RSSR_RX_STATUS_REG); - IWL_CMD(FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV); - IWL_CMD(FH_TSSR_TX_STATUS_REG); - IWL_CMD(FH_TSSR_TX_ERROR_REG); - default: - return "UNKNOWN"; - } -} - -int iwl_dump_fh(struct iwl_trans *trans, char **buf, bool display) -{ - int i; -#ifdef CONFIG_IWLWIFI_DEBUG - int pos = 0; - size_t bufsz = 0; -#endif - static const u32 fh_tbl[] = { - FH_RSCSR_CHNL0_STTS_WPTR_REG, - FH_RSCSR_CHNL0_RBDCB_BASE_REG, - FH_RSCSR_CHNL0_WPTR, - FH_MEM_RCSR_CHNL0_CONFIG_REG, - FH_MEM_RSSR_SHARED_CTRL_REG, - FH_MEM_RSSR_RX_STATUS_REG, - FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV, - FH_TSSR_TX_STATUS_REG, - FH_TSSR_TX_ERROR_REG - }; -#ifdef CONFIG_IWLWIFI_DEBUG - if (display) { - bufsz = ARRAY_SIZE(fh_tbl) * 48 + 40; - *buf = kmalloc(bufsz, GFP_KERNEL); - if (!*buf) - return -ENOMEM; - pos += scnprintf(*buf + pos, bufsz - pos, - "FH register values:\n"); - for (i = 0; i < ARRAY_SIZE(fh_tbl); i++) { - pos += scnprintf(*buf + pos, bufsz - pos, - " %34s: 0X%08x\n", - get_fh_string(fh_tbl[i]), - iwl_read_direct32(bus(trans), fh_tbl[i])); - } - return pos; - } -#endif - IWL_ERR(trans, "FH register values:\n"); - for (i = 0; i < ARRAY_SIZE(fh_tbl); i++) { - IWL_ERR(trans, " %34s: 0X%08x\n", - get_fh_string(fh_tbl[i]), - iwl_read_direct32(bus(trans), fh_tbl[i])); - } - return 0; -} - static ssize_t iwl_dbgfs_fh_reg_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) @@ -2034,7 +1922,6 @@ static ssize_t iwl_dbgfs_fh_reg_read(struct file *file, return ret; } -DEBUGFS_READ_WRITE_FILE_OPS(traffic_log); DEBUGFS_READ_WRITE_FILE_OPS(log_event); DEBUGFS_READ_WRITE_FILE_OPS(interrupt); DEBUGFS_READ_FILE_OPS(fh_reg); @@ -2049,7 +1936,6 @@ DEBUGFS_WRITE_FILE_OPS(csr); static int iwl_trans_pcie_dbgfs_register(struct iwl_trans *trans, struct dentry *dir) { - DEBUGFS_ADD_FILE(traffic_log, dir, S_IWUSR | S_IRUSR); DEBUGFS_ADD_FILE(rx_queue, dir, S_IRUSR); DEBUGFS_ADD_FILE(tx_queue, dir, S_IRUSR); DEBUGFS_ADD_FILE(log_event, dir, S_IWUSR | S_IRUSR); |