aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/iwlwifi/iwl-4965.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-4965.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-4965.c255
1 files changed, 70 insertions, 185 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index 6f703a041847..386513b601f5 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -45,6 +45,7 @@
#include "iwl-helpers.h"
#include "iwl-calib.h"
#include "iwl-sta.h"
+#include "iwl-agn-led.h"
static int iwl4965_send_tx_power(struct iwl_priv *priv);
static int iwl4965_hw_get_temperature(struct iwl_priv *priv);
@@ -62,8 +63,6 @@ static int iwl4965_hw_get_temperature(struct iwl_priv *priv);
/* module parameters */
static struct iwl_mod_params iwl4965_mod_params = {
- .num_of_queues = IWL49_NUM_QUEUES,
- .num_of_ampdu_queues = IWL49_NUM_AMPDU_QUEUES,
.amsdu_size_8K = 1,
.restart_fw = 1,
/* the rest are 0 by default */
@@ -319,63 +318,13 @@ static void iwl4965_txq_set_sched(struct iwl_priv *priv, u32 mask)
iwl_write_prph(priv, IWL49_SCD_TXFACT, mask);
}
-static int iwl4965_apm_init(struct iwl_priv *priv)
-{
- int ret = 0;
-
- iwl_set_bit(priv, CSR_GIO_CHICKEN_BITS,
- CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER);
-
- /* disable L0s without affecting L1 :don't wait for ICH L0s bug W/A) */
- iwl_set_bit(priv, CSR_GIO_CHICKEN_BITS,
- CSR_GIO_CHICKEN_BITS_REG_BIT_L1A_NO_L0S_RX);
-
- /* set "initialization complete" bit to move adapter
- * D0U* --> D0A* state */
- iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
-
- /* wait for clock stabilization */
- ret = iwl_poll_direct_bit(priv, CSR_GP_CNTRL,
- CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
- if (ret < 0) {
- IWL_DEBUG_INFO(priv, "Failed to init the card\n");
- goto out;
- }
-
- /* enable DMA */
- iwl_write_prph(priv, APMG_CLK_CTRL_REG, APMG_CLK_VAL_DMA_CLK_RQT |
- APMG_CLK_VAL_BSM_CLK_RQT);
-
- udelay(20);
-
- /* disable L1-Active */
- iwl_set_bits_prph(priv, APMG_PCIDEV_STT_REG,
- APMG_PCIDEV_STT_VAL_L1_ACT_DIS);
-
-out:
- return ret;
-}
-
-
static void iwl4965_nic_config(struct iwl_priv *priv)
{
unsigned long flags;
u16 radio_cfg;
- u16 lctl;
spin_lock_irqsave(&priv->lock, flags);
- lctl = iwl_pcie_link_ctl(priv);
-
- /* HW bug W/A - negligible power consumption */
- /* L1-ASPM is enabled by BIOS */
- if ((lctl & PCI_CFG_LINK_CTRL_VAL_L1_EN) == PCI_CFG_LINK_CTRL_VAL_L1_EN)
- /* L1-ASPM enabled: disable L0S */
- iwl_set_bit(priv, CSR_GIO_REG, CSR_GIO_REG_VAL_L0S_ENABLED);
- else
- /* L1-ASPM disabled: enable L0S */
- iwl_clear_bit(priv, CSR_GIO_REG, CSR_GIO_REG_VAL_L0S_ENABLED);
-
radio_cfg = iwl_eeprom_query16(priv, EEPROM_RADIO_CONFIG);
/* write radio config values to register */
@@ -396,79 +345,6 @@ static void iwl4965_nic_config(struct iwl_priv *priv)
spin_unlock_irqrestore(&priv->lock, flags);
}
-static int iwl4965_apm_stop_master(struct iwl_priv *priv)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&priv->lock, flags);
-
- /* set stop master bit */
- iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_STOP_MASTER);
-
- iwl_poll_direct_bit(priv, CSR_RESET,
- CSR_RESET_REG_FLAG_MASTER_DISABLED, 100);
-
- spin_unlock_irqrestore(&priv->lock, flags);
- IWL_DEBUG_INFO(priv, "stop master\n");
-
- return 0;
-}
-
-static void iwl4965_apm_stop(struct iwl_priv *priv)
-{
- unsigned long flags;
-
- iwl4965_apm_stop_master(priv);
-
- spin_lock_irqsave(&priv->lock, flags);
-
- iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET);
-
- udelay(10);
- /* clear "init complete" move adapter D0A* --> D0U state */
- iwl_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
- spin_unlock_irqrestore(&priv->lock, flags);
-}
-
-static int iwl4965_apm_reset(struct iwl_priv *priv)
-{
- int ret = 0;
-
- iwl4965_apm_stop_master(priv);
-
-
- iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET);
-
- udelay(10);
-
- /* FIXME: put here L1A -L0S w/a */
-
- iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
-
- ret = iwl_poll_direct_bit(priv, CSR_GP_CNTRL,
- CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
- if (ret < 0)
- goto out;
-
- udelay(10);
-
- /* Enable DMA and BSM Clock */
- iwl_write_prph(priv, APMG_CLK_EN_REG, APMG_CLK_VAL_DMA_CLK_RQT |
- APMG_CLK_VAL_BSM_CLK_RQT);
-
- udelay(10);
-
- /* disable L1A */
- iwl_set_bits_prph(priv, APMG_PCIDEV_STT_REG,
- APMG_PCIDEV_STT_VAL_L1_ACT_DIS);
-
- clear_bit(STATUS_HCMD_ACTIVE, &priv->status);
- wake_up_interruptible(&priv->wait_command_queue);
-
-out:
- return ret;
-}
-
/* Reset differential Rx gains in NIC to prepare for chain noise calibration.
* Called after every association, but this runs only once!
* ... once chain noise is calibrated the first time, it's good forever. */
@@ -496,14 +372,15 @@ static void iwl4965_chain_noise_reset(struct iwl_priv *priv)
static void iwl4965_gain_computation(struct iwl_priv *priv,
u32 *average_noise,
u16 min_average_noise_antenna_i,
- u32 min_average_noise)
+ u32 min_average_noise,
+ u8 default_chain)
{
int i, ret;
struct iwl_chain_noise_data *data = &priv->chain_noise_data;
data->delta_gain_code[min_average_noise_antenna_i] = 0;
- for (i = 0; i < NUM_RX_CHAINS; i++) {
+ for (i = default_chain; i < NUM_RX_CHAINS; i++) {
s32 delta_g = 0;
if (!(data->disconn_array[i]) &&
@@ -557,18 +434,6 @@ static void iwl4965_gain_computation(struct iwl_priv *priv,
data->beacon_count = 0;
}
-static void iwl4965_rts_tx_cmd_flag(struct ieee80211_tx_info *info,
- __le32 *tx_flags)
-{
- if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) {
- *tx_flags |= TX_CMD_FLG_RTS_MSK;
- *tx_flags &= ~TX_CMD_FLG_CTS_MSK;
- } else if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT) {
- *tx_flags &= ~TX_CMD_FLG_RTS_MSK;
- *tx_flags |= TX_CMD_FLG_CTS_MSK;
- }
-}
-
static void iwl4965_bg_txpower_work(struct work_struct *work)
{
struct iwl_priv *priv = container_of(work, struct iwl_priv,
@@ -663,7 +528,8 @@ static int iwl4965_alive_notify(struct iwl_priv *priv)
iwl_write_targ_mem(priv, a, 0);
for (; a < priv->scd_base_addr + IWL49_SCD_TRANSLATE_TBL_OFFSET; a += 4)
iwl_write_targ_mem(priv, a, 0);
- for (; a < sizeof(u16) * priv->hw_params.max_txq_num; a += 4)
+ for (; a < priv->scd_base_addr +
+ IWL49_SCD_TRANSLATE_TBL_OFFSET_QUEUE(priv->hw_params.max_txq_num); a += 4)
iwl_write_targ_mem(priv, a, 0);
/* Tel 4965 where to find Tx byte count tables */
@@ -748,6 +614,10 @@ static struct iwl_sensitivity_ranges iwl4965_sensitivity = {
.nrg_th_cck = 100,
.nrg_th_ofdm = 100,
+
+ .barker_corr_th_min = 190,
+ .barker_corr_th_min_mrc = 390,
+ .nrg_th_cca = 62,
};
static void iwl4965_set_ct_threshold(struct iwl_priv *priv)
@@ -764,19 +634,16 @@ static void iwl4965_set_ct_threshold(struct iwl_priv *priv)
*/
static int iwl4965_hw_set_hw_params(struct iwl_priv *priv)
{
+ if (priv->cfg->mod_params->num_of_queues >= IWL_MIN_NUM_QUEUES &&
+ priv->cfg->mod_params->num_of_queues <= IWL49_NUM_QUEUES)
+ priv->cfg->num_of_queues =
+ priv->cfg->mod_params->num_of_queues;
- if ((priv->cfg->mod_params->num_of_queues > IWL49_NUM_QUEUES) ||
- (priv->cfg->mod_params->num_of_queues < IWL_MIN_NUM_QUEUES)) {
- IWL_ERR(priv,
- "invalid queues_num, should be between %d and %d\n",
- IWL_MIN_NUM_QUEUES, IWL49_NUM_QUEUES);
- return -EINVAL;
- }
-
- priv->hw_params.max_txq_num = priv->cfg->mod_params->num_of_queues;
+ priv->hw_params.max_txq_num = priv->cfg->num_of_queues;
priv->hw_params.dma_chnl_num = FH49_TCSR_CHNL_NUM;
priv->hw_params.scd_bc_tbls_size =
- IWL49_NUM_QUEUES * sizeof(struct iwl4965_scd_bc_tbl);
+ priv->cfg->num_of_queues *
+ sizeof(struct iwl4965_scd_bc_tbl);
priv->hw_params.tfd_size = sizeof(struct iwl_tfd);
priv->hw_params.max_stations = IWL4965_STATION_COUNT;
priv->hw_params.bcast_sta_id = IWL4965_BROADCAST_ID;
@@ -787,10 +654,10 @@ static int iwl4965_hw_set_hw_params(struct iwl_priv *priv)
priv->hw_params.rx_wrt_ptr_reg = FH_RSCSR_CHNL0_WPTR;
- priv->hw_params.tx_chains_num = 2;
- priv->hw_params.rx_chains_num = 2;
- priv->hw_params.valid_tx_ant = ANT_A | ANT_B;
- priv->hw_params.valid_rx_ant = ANT_A | ANT_B;
+ priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
+ priv->hw_params.rx_chains_num = num_of_ant(priv->cfg->valid_rx_ant);
+ priv->hw_params.valid_tx_ant = priv->cfg->valid_tx_ant;
+ priv->hw_params.valid_rx_ant = priv->cfg->valid_rx_ant;
if (priv->cfg->ops->lib->temp_ops.set_ct_kill)
priv->cfg->ops->lib->temp_ops.set_ct_kill(priv);
@@ -1567,14 +1434,13 @@ static int iwl4965_send_rxon_assoc(struct iwl_priv *priv)
return ret;
}
-#ifdef IEEE80211_CONF_CHANNEL_SWITCH
static int iwl4965_hw_channel_switch(struct iwl_priv *priv, u16 channel)
{
int rc;
u8 band = 0;
bool is_ht40 = false;
u8 ctrl_chan_high = 0;
- struct iwl4965_channel_switch_cmd cmd = { 0 };
+ struct iwl4965_channel_switch_cmd cmd;
const struct iwl_channel_info *ch_info;
band = priv->band == IEEE80211_BAND_2GHZ;
@@ -1584,19 +1450,22 @@ static int iwl4965_hw_channel_switch(struct iwl_priv *priv, u16 channel)
is_ht40 = is_ht40_channel(priv->staging_rxon.flags);
if (is_ht40 &&
- (priv->active_rxon.flags & RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK))
+ (priv->staging_rxon.flags & RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK))
ctrl_chan_high = 1;
cmd.band = band;
cmd.expect_beacon = 0;
cmd.channel = cpu_to_le16(channel);
- cmd.rxon_flags = priv->active_rxon.flags;
- cmd.rxon_filter_flags = priv->active_rxon.filter_flags;
+ cmd.rxon_flags = priv->staging_rxon.flags;
+ cmd.rxon_filter_flags = priv->staging_rxon.filter_flags;
cmd.switch_time = cpu_to_le32(priv->ucode_beacon_time);
if (ch_info)
cmd.expect_beacon = is_channel_radar(ch_info);
- else
- cmd.expect_beacon = 1;
+ else {
+ IWL_ERR(priv, "invalid channel switch from %u to %u\n",
+ priv->active_rxon.channel, channel);
+ return -EFAULT;
+ }
rc = iwl4965_fill_txpower_tbl(priv, band, channel, is_ht40,
ctrl_chan_high, &cmd.tx_power);
@@ -1605,10 +1474,11 @@ static int iwl4965_hw_channel_switch(struct iwl_priv *priv, u16 channel)
return rc;
}
- rc = iwl_send_cmd_pdu(priv, REPLY_CHANNEL_SWITCH, sizeof(cmd), &cmd);
- return rc;
+ priv->switch_rxon.channel = cpu_to_le16(channel);
+ priv->switch_rxon.switch_in_progress = true;
+
+ return iwl_send_cmd_pdu(priv, REPLY_CHANNEL_SWITCH, sizeof(cmd), &cmd);
}
-#endif
/**
* iwl4965_txq_update_byte_cnt_tbl - Set up entry in Tx byte-count array
@@ -1805,11 +1675,13 @@ static int iwl4965_txq_agg_disable(struct iwl_priv *priv, u16 txq_id,
u16 ssn_idx, u8 tx_fifo)
{
if ((IWL49_FIRST_AMPDU_QUEUE > txq_id) ||
- (IWL49_FIRST_AMPDU_QUEUE + IWL49_NUM_AMPDU_QUEUES <= txq_id)) {
+ (IWL49_FIRST_AMPDU_QUEUE + priv->cfg->num_of_ampdu_queues
+ <= txq_id)) {
IWL_WARN(priv,
"queue number out of range: %d, must be %d to %d\n",
txq_id, IWL49_FIRST_AMPDU_QUEUE,
- IWL49_FIRST_AMPDU_QUEUE + IWL49_NUM_AMPDU_QUEUES - 1);
+ IWL49_FIRST_AMPDU_QUEUE +
+ priv->cfg->num_of_ampdu_queues - 1);
return -EINVAL;
}
@@ -1870,11 +1742,13 @@ static int iwl4965_txq_agg_enable(struct iwl_priv *priv, int txq_id,
u16 ra_tid;
if ((IWL49_FIRST_AMPDU_QUEUE > txq_id) ||
- (IWL49_FIRST_AMPDU_QUEUE + IWL49_NUM_AMPDU_QUEUES <= txq_id)) {
+ (IWL49_FIRST_AMPDU_QUEUE + priv->cfg->num_of_ampdu_queues
+ <= txq_id)) {
IWL_WARN(priv,
"queue number out of range: %d, must be %d to %d\n",
txq_id, IWL49_FIRST_AMPDU_QUEUE,
- IWL49_FIRST_AMPDU_QUEUE + IWL49_NUM_AMPDU_QUEUES - 1);
+ IWL49_FIRST_AMPDU_QUEUE +
+ priv->cfg->num_of_ampdu_queues - 1);
return -EINVAL;
}
@@ -1944,8 +1818,9 @@ static u16 iwl4965_build_addsta_hcmd(const struct iwl_addsta_cmd *cmd, u8 *data)
addsta->add_immediate_ba_tid = cmd->add_immediate_ba_tid;
addsta->remove_immediate_ba_tid = cmd->remove_immediate_ba_tid;
addsta->add_immediate_ba_ssn = cmd->add_immediate_ba_ssn;
+ addsta->sleep_tx_count = cmd->sleep_tx_count;
addsta->reserved1 = cpu_to_le16(0);
- addsta->reserved2 = cpu_to_le32(0);
+ addsta->reserved2 = cpu_to_le16(0);
return (u16)sizeof(struct iwl4965_addsta_cmd);
}
@@ -1991,8 +1866,7 @@ static int iwl4965_tx_status_reply_tx(struct iwl_priv *priv,
info = IEEE80211_SKB_CB(priv->txq[txq_id].txb[idx].skb[0]);
info->status.rates[0].count = tx_resp->failure_frame + 1;
info->flags &= ~IEEE80211_TX_CTL_AMPDU;
- info->flags |= iwl_is_tx_success(status) ?
- IEEE80211_TX_STAT_ACK : 0;
+ info->flags |= iwl_tx_status_to_mac80211(status);
iwl_hwrate_to_tx_control(priv, rate_n_flags, info);
/* FIXME: code repetition end */
@@ -2078,7 +1952,7 @@ static int iwl4965_tx_status_reply_tx(struct iwl_priv *priv,
static void iwl4965_rx_reply_tx(struct iwl_priv *priv,
struct iwl_rx_mem_buffer *rxb)
{
- struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
+ struct iwl_rx_packet *pkt = rxb_addr(rxb);
u16 sequence = le16_to_cpu(pkt->hdr.sequence);
int txq_id = SEQ_TO_QUEUE(sequence);
int index = SEQ_TO_INDEX(sequence);
@@ -2147,8 +2021,7 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv,
}
} else {
info->status.rates[0].count = tx_resp->failure_frame + 1;
- info->flags |= iwl_is_tx_success(status) ?
- IEEE80211_TX_STAT_ACK : 0;
+ info->flags |= iwl_tx_status_to_mac80211(status);
iwl_hwrate_to_tx_control(priv,
le32_to_cpu(tx_resp->rate_n_flags),
info);
@@ -2279,7 +2152,7 @@ static struct iwl_hcmd_utils_ops iwl4965_hcmd_utils = {
.build_addsta_hcmd = iwl4965_build_addsta_hcmd,
.chain_noise_reset = iwl4965_chain_noise_reset,
.gain_computation = iwl4965_gain_computation,
- .rts_tx_cmd_flag = iwl4965_rts_tx_cmd_flag,
+ .rts_tx_cmd_flag = iwlcore_rts_tx_cmd_flag,
.calc_rssi = iwl4965_calc_rssi,
};
@@ -2301,10 +2174,10 @@ static struct iwl_lib_ops iwl4965_lib = {
.load_ucode = iwl4965_load_bsm,
.dump_nic_event_log = iwl_dump_nic_event_log,
.dump_nic_error_log = iwl_dump_nic_error_log,
+ .set_channel_switch = iwl4965_hw_channel_switch,
.apm_ops = {
- .init = iwl4965_apm_init,
- .reset = iwl4965_apm_reset,
- .stop = iwl4965_apm_stop,
+ .init = iwl_apm_init,
+ .stop = iwl_apm_stop,
.config = iwl4965_nic_config,
.set_pwr_src = iwl_set_pwr_src,
},
@@ -2340,6 +2213,7 @@ static struct iwl_ops iwl4965_ops = {
.lib = &iwl4965_lib,
.hcmd = &iwl4965_hcmd,
.utils = &iwl4965_hcmd_utils,
+ .led = &iwlagn_led_ops,
};
struct iwl_cfg iwl4965_agn_cfg = {
@@ -2352,30 +2226,41 @@ struct iwl_cfg iwl4965_agn_cfg = {
.eeprom_ver = EEPROM_4965_EEPROM_VERSION,
.eeprom_calib_ver = EEPROM_4965_TX_POWER_VERSION,
.ops = &iwl4965_ops,
+ .num_of_queues = IWL49_NUM_QUEUES,
+ .num_of_ampdu_queues = IWL49_NUM_AMPDU_QUEUES,
.mod_params = &iwl4965_mod_params,
+ .valid_tx_ant = ANT_AB,
+ .valid_rx_ant = ANT_ABC,
+ .pll_cfg_val = 0,
+ .set_l0s = true,
+ .use_bsm = true,
.use_isr_legacy = true,
.ht_greenfield_support = false,
.broken_powersave = true,
+ .led_compensation = 61,
+ .chain_noise_num_beacons = IWL4965_CAL_NUM_BEACONS,
+ .sm_ps_mode = WLAN_HT_CAP_SM_PS_DISABLED,
};
/* Module firmware */
MODULE_FIRMWARE(IWL4965_MODULE_FIRMWARE(IWL4965_UCODE_API_MAX));
-module_param_named(antenna, iwl4965_mod_params.antenna, int, 0444);
+module_param_named(antenna, iwl4965_mod_params.antenna, int, S_IRUGO);
MODULE_PARM_DESC(antenna, "select antenna (1=Main, 2=Aux, default 0 [both])");
-module_param_named(swcrypto, iwl4965_mod_params.sw_crypto, int, 0444);
+module_param_named(swcrypto, iwl4965_mod_params.sw_crypto, int, S_IRUGO);
MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])");
module_param_named(
- disable_hw_scan, iwl4965_mod_params.disable_hw_scan, int, 0444);
+ disable_hw_scan, iwl4965_mod_params.disable_hw_scan, int, S_IRUGO);
MODULE_PARM_DESC(disable_hw_scan, "disable hardware scanning (default 0)");
-module_param_named(queues_num, iwl4965_mod_params.num_of_queues, int, 0444);
+module_param_named(queues_num, iwl4965_mod_params.num_of_queues, int, S_IRUGO);
MODULE_PARM_DESC(queues_num, "number of hw queues.");
/* 11n */
-module_param_named(11n_disable, iwl4965_mod_params.disable_11n, int, 0444);
+module_param_named(11n_disable, iwl4965_mod_params.disable_11n, int, S_IRUGO);
MODULE_PARM_DESC(11n_disable, "disable 11n functionality");
-module_param_named(amsdu_size_8K, iwl4965_mod_params.amsdu_size_8K, int, 0444);
+module_param_named(amsdu_size_8K, iwl4965_mod_params.amsdu_size_8K,
+ int, S_IRUGO);
MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size");
-module_param_named(fw_restart4965, iwl4965_mod_params.restart_fw, int, 0444);
+module_param_named(fw_restart4965, iwl4965_mod_params.restart_fw, int, S_IRUGO);
MODULE_PARM_DESC(fw_restart4965, "restart firmware in case of error");
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.