iwlwifi: do not use huge command buffer for channel switch
[pandora-kernel.git] / drivers / net / wireless / iwlwifi / iwl-6000.c
index 9fbf54c..afdeec5 100644 (file)
 #define _IWL6000G2A_MODULE_FIRMWARE(api) IWL6000G2A_FW_PRE #api ".ucode"
 #define IWL6000G2A_MODULE_FIRMWARE(api) _IWL6000G2A_MODULE_FIRMWARE(api)
 
+#define IWL6000G2B_FW_PRE "iwlwifi-6000g2b-"
+#define _IWL6000G2B_MODULE_FIRMWARE(api) IWL6000G2B_FW_PRE #api ".ucode"
+#define IWL6000G2B_MODULE_FIRMWARE(api) _IWL6000G2B_MODULE_FIRMWARE(api)
+
 
 static void iwl6000_set_ct_threshold(struct iwl_priv *priv)
 {
@@ -183,6 +187,8 @@ static int iwl6000_hw_set_hw_params(struct iwl_priv *priv)
                BIT(IWL_CALIB_TX_IQ)            |
                BIT(IWL_CALIB_BASE_BAND);
 
+       priv->hw_params.beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS;
+
        return 0;
 }
 
@@ -228,37 +234,74 @@ static int iwl6050_hw_set_hw_params(struct iwl_priv *priv)
                BIT(IWL_CALIB_TX_IQ)            |
                BIT(IWL_CALIB_BASE_BAND);
 
+       priv->hw_params.beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS;
+
        return 0;
 }
 
-static int iwl6000_hw_channel_switch(struct iwl_priv *priv, u16 channel)
+static int iwl6000_hw_channel_switch(struct iwl_priv *priv,
+                                    struct ieee80211_channel_switch *ch_switch)
 {
        struct iwl6000_channel_switch_cmd cmd;
        const struct iwl_channel_info *ch_info;
+       u32 switch_time_in_usec, ucode_switch_time;
+       u16 ch;
+       u32 tsf_low;
+       u8 switch_count;
+       u16 beacon_interval = le16_to_cpu(priv->rxon_timing.beacon_interval);
+       struct ieee80211_vif *vif = priv->vif;
        struct iwl_host_cmd hcmd = {
                .id = REPLY_CHANNEL_SWITCH,
                .len = sizeof(cmd),
-               .flags = CMD_SIZE_HUGE,
+               .flags = CMD_SYNC,
                .data = &cmd,
        };
 
-       IWL_DEBUG_11H(priv, "channel switch from %d to %d\n",
-               priv->active_rxon.channel, channel);
-
        cmd.band = priv->band == IEEE80211_BAND_2GHZ;
-       cmd.channel = cpu_to_le16(channel);
+       ch = ieee80211_frequency_to_channel(ch_switch->channel->center_freq);
+       IWL_DEBUG_11H(priv, "channel switch from %u to %u\n",
+                     priv->active_rxon.channel, ch);
+       cmd.channel = cpu_to_le16(ch);
        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);
-       ch_info = iwl_get_channel_info(priv, priv->band, channel);
+       switch_count = ch_switch->count;
+       tsf_low = ch_switch->timestamp & 0x0ffffffff;
+       /*
+        * calculate the ucode channel switch time
+        * adding TSF as one of the factor for when to switch
+        */
+       if ((priv->ucode_beacon_time > tsf_low) && beacon_interval) {
+               if (switch_count > ((priv->ucode_beacon_time - tsf_low) /
+                   beacon_interval)) {
+                       switch_count -= (priv->ucode_beacon_time -
+                               tsf_low) / beacon_interval;
+               } else
+                       switch_count = 0;
+       }
+       if (switch_count <= 1)
+               cmd.switch_time = cpu_to_le32(priv->ucode_beacon_time);
+       else {
+               switch_time_in_usec =
+                       vif->bss_conf.beacon_int * switch_count * TIME_UNIT;
+               ucode_switch_time = iwl_usecs_to_beacons(priv,
+                                                        switch_time_in_usec,
+                                                        beacon_interval);
+               cmd.switch_time = iwl_add_beacon_time(priv,
+                                                     priv->ucode_beacon_time,
+                                                     ucode_switch_time,
+                                                     beacon_interval);
+       }
+       IWL_DEBUG_11H(priv, "uCode time for the switch is 0x%x\n",
+                     cmd.switch_time);
+       ch_info = iwl_get_channel_info(priv, priv->band, ch);
        if (ch_info)
                cmd.expect_beacon = is_channel_radar(ch_info);
        else {
                IWL_ERR(priv, "invalid channel switch from %u to %u\n",
-                       priv->active_rxon.channel, channel);
+                       priv->active_rxon.channel, ch);
                return -EFAULT;
        }
-       priv->switch_rxon.channel = cpu_to_le16(channel);
+       priv->switch_rxon.channel = cmd.channel;
        priv->switch_rxon.switch_in_progress = true;
 
        return iwl_send_cmd_sync(priv, &hcmd);
@@ -335,6 +378,25 @@ static const struct iwl_ops iwl6000_ops = {
        .led = &iwlagn_led_ops,
 };
 
+static void do_not_send_bt_config(struct iwl_priv *priv)
+{
+}
+
+static struct iwl_hcmd_ops iwl6000g2b_hcmd = {
+       .rxon_assoc = iwlagn_send_rxon_assoc,
+       .commit_rxon = iwl_commit_rxon,
+       .set_rxon_chain = iwl_set_rxon_chain,
+       .set_tx_ant = iwlagn_send_tx_ant_config,
+       .send_bt_config = do_not_send_bt_config,
+};
+
+static const struct iwl_ops iwl6000g2b_ops = {
+       .lib = &iwl6000_lib,
+       .hcmd = &iwl6000g2b_hcmd,
+       .utils = &iwlagn_hcmd_utils,
+       .led = &iwlagn_led_ops,
+};
+
 static struct iwl_lib_ops iwl6050_lib = {
        .set_hw_params = iwl6050_hw_set_hw_params,
        .txq_update_byte_cnt_tbl = iwlagn_txq_update_byte_cnt_tbl,
@@ -445,6 +507,268 @@ struct iwl_cfg iwl6000g2a_2agn_cfg = {
        .chain_noise_calib_by_driver = true,
 };
 
+struct iwl_cfg iwl6000g2a_2abg_cfg = {
+       .name = "6000 Series 2x2 ABG Gen2a",
+       .fw_name_pre = IWL6000G2A_FW_PRE,
+       .ucode_api_max = IWL6000G2_UCODE_API_MAX,
+       .ucode_api_min = IWL6000G2_UCODE_API_MIN,
+       .sku = IWL_SKU_A|IWL_SKU_G,
+       .ops = &iwl6000_ops,
+       .eeprom_size = OTP_LOW_IMAGE_SIZE,
+       .eeprom_ver = EEPROM_6000G2_EEPROM_VERSION,
+       .eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION,
+       .num_of_queues = IWLAGN_NUM_QUEUES,
+       .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
+       .mod_params = &iwlagn_mod_params,
+       .valid_tx_ant = ANT_AB,
+       .valid_rx_ant = ANT_AB,
+       .pll_cfg_val = 0,
+       .set_l0s = true,
+       .use_bsm = false,
+       .pa_type = IWL_PA_SYSTEM,
+       .max_ll_items = OTP_MAX_LL_ITEMS_6x00,
+       .shadow_ram_support = true,
+       .led_compensation = 51,
+       .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
+       .supports_idle = true,
+       .adv_thermal_throttle = true,
+       .support_ct_kill_exit = true,
+       .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
+       .chain_noise_scale = 1000,
+       .monitor_recover_period = IWL_MONITORING_PERIOD,
+       .max_event_log_size = 512,
+};
+
+struct iwl_cfg iwl6000g2a_2bg_cfg = {
+       .name = "6000 Series 2x2 BG Gen2a",
+       .fw_name_pre = IWL6000G2A_FW_PRE,
+       .ucode_api_max = IWL6000G2_UCODE_API_MAX,
+       .ucode_api_min = IWL6000G2_UCODE_API_MIN,
+       .sku = IWL_SKU_G,
+       .ops = &iwl6000_ops,
+       .eeprom_size = OTP_LOW_IMAGE_SIZE,
+       .eeprom_ver = EEPROM_6000G2_EEPROM_VERSION,
+       .eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION,
+       .num_of_queues = IWLAGN_NUM_QUEUES,
+       .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
+       .mod_params = &iwlagn_mod_params,
+       .valid_tx_ant = ANT_AB,
+       .valid_rx_ant = ANT_AB,
+       .pll_cfg_val = 0,
+       .set_l0s = true,
+       .use_bsm = false,
+       .pa_type = IWL_PA_SYSTEM,
+       .max_ll_items = OTP_MAX_LL_ITEMS_6x00,
+       .shadow_ram_support = true,
+       .led_compensation = 51,
+       .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
+       .supports_idle = true,
+       .adv_thermal_throttle = true,
+       .support_ct_kill_exit = true,
+       .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
+       .chain_noise_scale = 1000,
+       .monitor_recover_period = IWL_MONITORING_PERIOD,
+       .max_event_log_size = 512,
+};
+
+struct iwl_cfg iwl6000g2b_2agn_cfg = {
+       .name = "6000 Series 2x2 AGN Gen2b",
+       .fw_name_pre = IWL6000G2B_FW_PRE,
+       .ucode_api_max = IWL6000G2_UCODE_API_MAX,
+       .ucode_api_min = IWL6000G2_UCODE_API_MIN,
+       .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
+       .ops = &iwl6000g2b_ops,
+       .eeprom_size = OTP_LOW_IMAGE_SIZE,
+       .eeprom_ver = EEPROM_6000G2_EEPROM_VERSION,
+       .eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION,
+       .num_of_queues = IWLAGN_NUM_QUEUES,
+       .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
+       .mod_params = &iwlagn_mod_params,
+       .valid_tx_ant = ANT_AB,
+       .valid_rx_ant = ANT_AB,
+       .pll_cfg_val = 0,
+       .set_l0s = true,
+       .use_bsm = false,
+       .pa_type = IWL_PA_SYSTEM,
+       .max_ll_items = OTP_MAX_LL_ITEMS_6x00,
+       .shadow_ram_support = true,
+       .ht_greenfield_support = true,
+       .led_compensation = 51,
+       .use_rts_for_ht = true, /* use rts/cts protection */
+       .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
+       .supports_idle = true,
+       .adv_thermal_throttle = true,
+       .support_ct_kill_exit = true,
+       .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
+       .chain_noise_scale = 1000,
+       .monitor_recover_period = IWL_MONITORING_PERIOD,
+       .max_event_log_size = 512,
+};
+
+struct iwl_cfg iwl6000g2b_2abg_cfg = {
+       .name = "6000 Series 2x2 ABG Gen2b",
+       .fw_name_pre = IWL6000G2B_FW_PRE,
+       .ucode_api_max = IWL6000G2_UCODE_API_MAX,
+       .ucode_api_min = IWL6000G2_UCODE_API_MIN,
+       .sku = IWL_SKU_A|IWL_SKU_G,
+       .ops = &iwl6000g2b_ops,
+       .eeprom_size = OTP_LOW_IMAGE_SIZE,
+       .eeprom_ver = EEPROM_6000G2_EEPROM_VERSION,
+       .eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION,
+       .num_of_queues = IWLAGN_NUM_QUEUES,
+       .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
+       .mod_params = &iwlagn_mod_params,
+       .valid_tx_ant = ANT_AB,
+       .valid_rx_ant = ANT_AB,
+       .pll_cfg_val = 0,
+       .set_l0s = true,
+       .use_bsm = false,
+       .pa_type = IWL_PA_SYSTEM,
+       .max_ll_items = OTP_MAX_LL_ITEMS_6x00,
+       .shadow_ram_support = true,
+       .led_compensation = 51,
+       .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
+       .supports_idle = true,
+       .adv_thermal_throttle = true,
+       .support_ct_kill_exit = true,
+       .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
+       .chain_noise_scale = 1000,
+       .monitor_recover_period = IWL_MONITORING_PERIOD,
+       .max_event_log_size = 512,
+};
+
+struct iwl_cfg iwl6000g2b_2bgn_cfg = {
+       .name = "6000 Series 2x2 BGN Gen2b",
+       .fw_name_pre = IWL6000G2B_FW_PRE,
+       .ucode_api_max = IWL6000G2_UCODE_API_MAX,
+       .ucode_api_min = IWL6000G2_UCODE_API_MIN,
+       .sku = IWL_SKU_G|IWL_SKU_N,
+       .ops = &iwl6000g2b_ops,
+       .eeprom_size = OTP_LOW_IMAGE_SIZE,
+       .eeprom_ver = EEPROM_6000G2_EEPROM_VERSION,
+       .eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION,
+       .num_of_queues = IWLAGN_NUM_QUEUES,
+       .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
+       .mod_params = &iwlagn_mod_params,
+       .valid_tx_ant = ANT_AB,
+       .valid_rx_ant = ANT_AB,
+       .pll_cfg_val = 0,
+       .set_l0s = true,
+       .use_bsm = false,
+       .pa_type = IWL_PA_SYSTEM,
+       .max_ll_items = OTP_MAX_LL_ITEMS_6x00,
+       .shadow_ram_support = true,
+       .ht_greenfield_support = true,
+       .led_compensation = 51,
+       .use_rts_for_ht = true, /* use rts/cts protection */
+       .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
+       .supports_idle = true,
+       .adv_thermal_throttle = true,
+       .support_ct_kill_exit = true,
+       .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
+       .chain_noise_scale = 1000,
+       .monitor_recover_period = IWL_MONITORING_PERIOD,
+       .max_event_log_size = 512,
+};
+
+struct iwl_cfg iwl6000g2b_2bg_cfg = {
+       .name = "6000 Series 2x2 BG Gen2b",
+       .fw_name_pre = IWL6000G2B_FW_PRE,
+       .ucode_api_max = IWL6000G2_UCODE_API_MAX,
+       .ucode_api_min = IWL6000G2_UCODE_API_MIN,
+       .sku = IWL_SKU_G,
+       .ops = &iwl6000g2b_ops,
+       .eeprom_size = OTP_LOW_IMAGE_SIZE,
+       .eeprom_ver = EEPROM_6000G2_EEPROM_VERSION,
+       .eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION,
+       .num_of_queues = IWLAGN_NUM_QUEUES,
+       .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
+       .mod_params = &iwlagn_mod_params,
+       .valid_tx_ant = ANT_AB,
+       .valid_rx_ant = ANT_AB,
+       .pll_cfg_val = 0,
+       .set_l0s = true,
+       .use_bsm = false,
+       .pa_type = IWL_PA_SYSTEM,
+       .max_ll_items = OTP_MAX_LL_ITEMS_6x00,
+       .shadow_ram_support = true,
+       .led_compensation = 51,
+       .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
+       .supports_idle = true,
+       .adv_thermal_throttle = true,
+       .support_ct_kill_exit = true,
+       .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
+       .chain_noise_scale = 1000,
+       .monitor_recover_period = IWL_MONITORING_PERIOD,
+       .max_event_log_size = 512,
+};
+
+struct iwl_cfg iwl6000g2b_bgn_cfg = {
+       .name = "6000 Series 1x2 BGN Gen2b",
+       .fw_name_pre = IWL6000G2B_FW_PRE,
+       .ucode_api_max = IWL6000G2_UCODE_API_MAX,
+       .ucode_api_min = IWL6000G2_UCODE_API_MIN,
+       .sku = IWL_SKU_G|IWL_SKU_N,
+       .ops = &iwl6000g2b_ops,
+       .eeprom_size = OTP_LOW_IMAGE_SIZE,
+       .eeprom_ver = EEPROM_6000G2_EEPROM_VERSION,
+       .eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION,
+       .num_of_queues = IWLAGN_NUM_QUEUES,
+       .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
+       .mod_params = &iwlagn_mod_params,
+       .valid_tx_ant = ANT_A,
+       .valid_rx_ant = ANT_AB,
+       .pll_cfg_val = 0,
+       .set_l0s = true,
+       .use_bsm = false,
+       .pa_type = IWL_PA_SYSTEM,
+       .max_ll_items = OTP_MAX_LL_ITEMS_6x00,
+       .shadow_ram_support = true,
+       .ht_greenfield_support = true,
+       .led_compensation = 51,
+       .use_rts_for_ht = true, /* use rts/cts protection */
+       .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
+       .supports_idle = true,
+       .adv_thermal_throttle = true,
+       .support_ct_kill_exit = true,
+       .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
+       .chain_noise_scale = 1000,
+       .monitor_recover_period = IWL_MONITORING_PERIOD,
+       .max_event_log_size = 512,
+};
+
+struct iwl_cfg iwl6000g2b_bg_cfg = {
+       .name = "6000 Series 1x2 BG Gen2b",
+       .fw_name_pre = IWL6000G2B_FW_PRE,
+       .ucode_api_max = IWL6000G2_UCODE_API_MAX,
+       .ucode_api_min = IWL6000G2_UCODE_API_MIN,
+       .sku = IWL_SKU_G,
+       .ops = &iwl6000g2b_ops,
+       .eeprom_size = OTP_LOW_IMAGE_SIZE,
+       .eeprom_ver = EEPROM_6000G2_EEPROM_VERSION,
+       .eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION,
+       .num_of_queues = IWLAGN_NUM_QUEUES,
+       .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
+       .mod_params = &iwlagn_mod_params,
+       .valid_tx_ant = ANT_A,
+       .valid_rx_ant = ANT_AB,
+       .pll_cfg_val = 0,
+       .set_l0s = true,
+       .use_bsm = false,
+       .pa_type = IWL_PA_SYSTEM,
+       .max_ll_items = OTP_MAX_LL_ITEMS_6x00,
+       .shadow_ram_support = true,
+       .led_compensation = 51,
+       .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
+       .supports_idle = true,
+       .adv_thermal_throttle = true,
+       .support_ct_kill_exit = true,
+       .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
+       .chain_noise_scale = 1000,
+       .monitor_recover_period = IWL_MONITORING_PERIOD,
+       .max_event_log_size = 512,
+};
+
 /*
  * "i": Internal configuration, use internal Power Amplifier
  */
@@ -667,3 +991,4 @@ struct iwl_cfg iwl6000_3agn_cfg = {
 MODULE_FIRMWARE(IWL6000_MODULE_FIRMWARE(IWL6000_UCODE_API_MAX));
 MODULE_FIRMWARE(IWL6050_MODULE_FIRMWARE(IWL6050_UCODE_API_MAX));
 MODULE_FIRMWARE(IWL6000G2A_MODULE_FIRMWARE(IWL6000G2_UCODE_API_MAX));
+MODULE_FIRMWARE(IWL6000G2B_MODULE_FIRMWARE(IWL6000G2_UCODE_API_MAX));