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path: root/drivers/net/wireless/iwlwifi/iwl-trans.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-trans.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-trans.c402
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);
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