/****************************************************************************** * * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * 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, USA * * The full GNU General Public License is included in this distribution in the * file called LICENSE. * * Contact Information: * Intel Linux Wireless * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 * *****************************************************************************/ #include #include #include #include #include #include #include #include #include #include #include #include #include "iwl-eeprom.h" #include "iwl-dev.h" #include "iwl-core.h" #include "iwl-io.h" #include "iwl-sta.h" #include "iwl-agn.h" #include "iwl-helpers.h" #include "iwl-agn-hw.h" #include "iwl-6000-hw.h" /* Highest firmware API version supported */ #define IWL2030_UCODE_API_MAX 5 #define IWL2000_UCODE_API_MAX 5 #define IWL105_UCODE_API_MAX 5 /* Lowest firmware API version supported */ #define IWL2030_UCODE_API_MIN 5 #define IWL2000_UCODE_API_MIN 5 #define IWL105_UCODE_API_MIN 5 #define IWL2030_FW_PRE "iwlwifi-2030-" #define IWL2030_MODULE_FIRMWARE(api) IWL2030_FW_PRE #api ".ucode" #define IWL2000_FW_PRE "iwlwifi-2000-" #define IWL2000_MODULE_FIRMWARE(api) IWL2000_FW_PRE #api ".ucode" #define IWL105_FW_PRE "iwlwifi-105-" #define IWL105_MODULE_FIRMWARE(api) IWL105_FW_PRE #api ".ucode" static void iwl2000_set_ct_threshold(struct iwl_priv *priv) { /* want Celsius */ priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD; priv->hw_params.ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD; } /* NIC configuration for 2000 series */ static void iwl2000_nic_config(struct iwl_priv *priv) { u16 radio_cfg; radio_cfg = iwl_eeprom_query16(priv, EEPROM_RADIO_CONFIG); /* write radio config values to register */ if (EEPROM_RF_CFG_TYPE_MSK(radio_cfg) <= EEPROM_RF_CONFIG_TYPE_MAX) iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG, EEPROM_RF_CFG_TYPE_MSK(radio_cfg) | EEPROM_RF_CFG_STEP_MSK(radio_cfg) | EEPROM_RF_CFG_DASH_MSK(radio_cfg)); /* set CSR_HW_CONFIG_REG for uCode use */ iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG, CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI | CSR_HW_IF_CONFIG_REG_BIT_MAC_SI); if (priv->cfg->iq_invert) iwl_set_bit(priv, CSR_GP_DRIVER_REG, CSR_GP_DRIVER_REG_BIT_RADIO_IQ_INVER); if (priv->cfg->disable_otp_refresh) iwl_write_prph(priv, APMG_ANALOG_SVR_REG, 0x80000010); } static struct iwl_sensitivity_ranges iwl2000_sensitivity = { .min_nrg_cck = 97, .max_nrg_cck = 0, /* not used, set to 0 */ .auto_corr_min_ofdm = 80, .auto_corr_min_ofdm_mrc = 128, .auto_corr_min_ofdm_x1 = 105, .auto_corr_min_ofdm_mrc_x1 = 192, .auto_corr_max_ofdm = 145, .auto_corr_max_ofdm_mrc = 232, .auto_corr_max_ofdm_x1 = 110, .auto_corr_max_ofdm_mrc_x1 = 232, .auto_corr_min_cck = 125, .auto_corr_max_cck = 175, .auto_corr_min_cck_mrc = 160, .auto_corr_max_cck_mrc = 310, .nrg_th_cck = 97, .nrg_th_ofdm = 100, .barker_corr_th_min = 190, .barker_corr_th_min_mrc = 390, .nrg_th_cca = 62, }; static int iwl2000_hw_set_hw_params(struct iwl_priv *priv) { if (iwlagn_mod_params.num_of_queues >= IWL_MIN_NUM_QUEUES && iwlagn_mod_params.num_of_queues <= IWLAGN_NUM_QUEUES) priv->cfg->base_params->num_of_queues = iwlagn_mod_params.num_of_queues; priv->hw_params.max_txq_num = priv->cfg->base_params->num_of_queues; priv->hw_params.dma_chnl_num = FH50_TCSR_CHNL_NUM; priv->hw_params.scd_bc_tbls_size = priv->cfg->base_params->num_of_queues * sizeof(struct iwlagn_scd_bc_tbl); priv->hw_params.tfd_size = sizeof(struct iwl_tfd); priv->hw_params.max_stations = IWLAGN_STATION_COUNT; priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID; priv->hw_params.max_data_size = IWL60_RTC_DATA_SIZE; priv->hw_params.max_inst_size = IWL60_RTC_INST_SIZE; priv->hw_params.ht40_channel = BIT(IEEE80211_BAND_2GHZ) | BIT(IEEE80211_BAND_5GHZ); priv->hw_params.rx_wrt_ptr_reg = FH_RSCSR_CHNL0_WPTR; priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant); if (priv->cfg->rx_with_siso_diversity) priv->hw_params.rx_chains_num = 1; else 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; iwl2000_set_ct_threshold(priv); /* Set initial sensitivity parameters */ /* Set initial calibration set */ priv->hw_params.sens = &iwl2000_sensitivity; priv->hw_params.calib_init_cfg = BIT(IWL_CALIB_XTAL) | BIT(IWL_CALIB_LO) | BIT(IWL_CALIB_TX_IQ) | BIT(IWL_CALIB_BASE_BAND); if (priv->cfg->need_dc_calib) priv->hw_params.calib_rt_cfg |= BIT(IWL_CALIB_CFG_DC_IDX); if (priv->cfg->need_temp_offset_calib) priv->hw_params.calib_init_cfg |= BIT(IWL_CALIB_TEMP_OFFSET); priv->hw_params.beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS; return 0; } static int iwl2030_hw_channel_switch(struct iwl_priv *priv, struct ieee80211_channel_switch *ch_switch) { /* * MULTI-FIXME * See iwl_mac_channel_switch. */ struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; 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(ctx->timing.beacon_interval); struct ieee80211_vif *vif = ctx->vif; struct iwl_host_cmd hcmd = { .id = REPLY_CHANNEL_SWITCH, .len = { sizeof(cmd), }, .flags = CMD_SYNC, .data = { &cmd, }, }; cmd.band = priv->band == IEEE80211_BAND_2GHZ; ch = ch_switch->channel->hw_value; IWL_DEBUG_11H(priv, "channel switch from %u to %u\n", ctx->active.channel, ch); cmd.channel = cpu_to_le16(ch); cmd.rxon_flags = ctx->staging.flags; cmd.rxon_filter_flags = ctx->staging.filter_flags; 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", ctx->active.channel, ch); return -EFAULT; } priv->switch_rxon.channel = cmd.channel; priv->switch_rxon.switch_in_progress = true; return iwl_send_cmd_sync(priv, &hcmd); } static struct iwl_lib_ops iwl2000_lib = { .set_hw_params = iwl2000_hw_set_hw_params, .rx_handler_setup = iwlagn_rx_handler_setup, .setup_deferred_work = iwlagn_bt_setup_deferred_work, .cancel_deferred_work = iwlagn_bt_cancel_deferred_work, .is_valid_rtc_data_addr = iwlagn_hw_valid_rtc_data_addr, .update_chain_flags = iwl_update_chain_flags, .set_channel_switch = iwl2030_hw_channel_switch, .apm_ops = { .init = iwl_apm_init, .config = iwl2000_nic_config, }, .eeprom_ops = { .regulatory_bands = { EEPROM_REG_BAND_1_CHANNELS, EEPROM_REG_BAND_2_CHANNELS, EEPROM_REG_BAND_3_CHANNELS, EEPROM_REG_BAND_4_CHANNELS, EEPROM_REG_BAND_5_CHANNELS, EEPROM_6000_REG_BAND_24_HT40_CHANNELS, EEPROM_REGULATORY_BAND_NO_HT40, }, .query_addr = iwlagn_eeprom_query_addr, .update_enhanced_txpower = iwlcore_eeprom_enhanced_txpower, }, .temp_ops = { .temperature = iwlagn_temperature, }, .txfifo_flush = iwlagn_txfifo_flush, .dev_txfifo_flush = iwlagn_dev_txfifo_flush, }; static const struct iwl_ops iwl2000_ops = { .lib = &iwl2000_lib, .hcmd = &iwlagn_hcmd, .utils = &iwlagn_hcmd_utils, }; static const struct iwl_ops iwl2030_ops = { .lib = &iwl2000_lib, .hcmd = &iwlagn_bt_hcmd, .utils = &iwlagn_hcmd_utils, }; static const struct iwl_ops iwl105_ops = { .lib = &iwl2000_lib, .hcmd = &iwlagn_hcmd, .utils = &iwlagn_hcmd_utils, }; static const struct iwl_ops iwl135_ops = { .lib = &iwl2000_lib, .hcmd = &iwlagn_bt_hcmd, .utils = &iwlagn_hcmd_utils, }; static struct iwl_base_params iwl2000_base_params = { .eeprom_size = OTP_LOW_IMAGE_SIZE, .num_of_queues = IWLAGN_NUM_QUEUES, .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES, .pll_cfg_val = 0, .max_ll_items = OTP_MAX_LL_ITEMS_2x00, .shadow_ram_support = true, .led_compensation = 51, .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, .adv_thermal_throttle = true, .support_ct_kill_exit = true, .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF, .chain_noise_scale = 1000, .wd_timeout = IWL_DEF_WD_TIMEOUT, .max_event_log_size = 512, .shadow_reg_enable = true, }; static struct iwl_base_params iwl2030_base_params = { .eeprom_size = OTP_LOW_IMAGE_SIZE, .num_of_queues = IWLAGN_NUM_QUEUES, .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES, .pll_cfg_val = 0, .max_ll_items = OTP_MAX_LL_ITEMS_2x00, .shadow_ram_support = true, .led_compensation = 57, .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, .adv_thermal_throttle = true, .support_ct_kill_exit = true, .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF, .chain_noise_scale = 1000, .wd_timeout = IWL_LONG_WD_TIMEOUT, .max_event_log_size = 512, .shadow_reg_enable = true, }; static struct iwl_ht_params iwl2000_ht_params = { .ht_greenfield_support = true, .use_rts_for_aggregation = true, /* use rts/cts protection */ }; static struct iwl_bt_params iwl2030_bt_params = { /* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */ .advanced_bt_coexist = true, .agg_time_limit = BT_AGG_THRESHOLD_DEF, .bt_init_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_NONE, .bt_prio_boost = IWLAGN_BT_PRIO_BOOST_DEFAULT, .bt_sco_disable = true, .bt_session_2 = true, }; #define IWL_DEVICE_2000 \ .fw_name_pre = IWL2000_FW_PRE, \ .ucode_api_max = IWL2000_UCODE_API_MAX, \ .ucode_api_min = IWL2000_UCODE_API_MIN, \ .eeprom_ver = EEPROM_2000_EEPROM_VERSION, \ .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \ .ops = &iwl2000_ops, \ .base_params = &iwl2000_base_params, \ .need_dc_calib = true, \ .need_temp_offset_calib = true, \ .led_mode = IWL_LED_RF_STATE, \ .iq_invert = true, \ .disable_otp_refresh = true \ struct iwl_cfg iwl2000_2bgn_cfg = { .name = "2000 Series 2x2 BGN", IWL_DEVICE_2000, .ht_params = &iwl2000_ht_params, }; struct iwl_cfg iwl2000_2bg_cfg = { .name = "2000 Series 2x2 BG", IWL_DEVICE_2000, }; #define IWL_DEVICE_2030 \ .fw_name_pre = IWL2030_FW_PRE, \ .ucode_api_max = IWL2030_UCODE_API_MAX, \ .ucode_api_min = IWL2030_UCODE_API_MIN, \ .eeprom_ver = EEPROM_2000_EEPROM_VERSION, \ .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \ .ops = &iwl2030_ops, \ .base_params = &iwl2030_base_params, \ .bt_params = &iwl2030_bt_params, \ .need_dc_calib = true, \ .need_temp_offset_calib = true, \ .led_mode = IWL_LED_RF_STATE, \ .adv_pm = true, \ .iq_invert = true \ struct iwl_cfg iwl2030_2bgn_cfg = { .name = "2000 Series 2x2 BGN/BT", IWL_DEVICE_2030, .ht_params = &iwl2000_ht_params, }; struct iwl_cfg iwl2030_2bg_cfg = { .name = "2000 Series 2x2 BG/BT", IWL_DEVICE_2030, }; #define IWL_DEVICE_105 \ .fw_name_pre = IWL105_FW_PRE, \ .ucode_api_max = IWL105_UCODE_API_MAX, \ .ucode_api_min = IWL105_UCODE_API_MIN, \ .eeprom_ver = EEPROM_2000_EEPROM_VERSION, \ .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \ .ops = &iwl105_ops, \ .base_params = &iwl2000_base_params, \ .need_dc_calib = true, \ .need_temp_offset_calib = true, \ .led_mode = IWL_LED_RF_STATE, \ .adv_pm = true, \ .rx_with_siso_diversity = true \ struct iwl_cfg iwl105_bg_cfg = { .name = "105 Series 1x1 BG", IWL_DEVICE_105, }; struct iwl_cfg iwl105_bgn_cfg = { .name = "105 Series 1x1 BGN", IWL_DEVICE_105, .ht_params = &iwl2000_ht_params, }; #define IWL_DEVICE_135 \ .fw_name_pre = IWL105_FW_PRE, \ .ucode_api_max = IWL105_UCODE_API_MAX, \ .ucode_api_min = IWL105_UCODE_API_MIN, \ .eeprom_ver = EEPROM_2000_EEPROM_VERSION, \ .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \ .ops = &iwl135_ops, \ .base_params = &iwl2030_base_params, \ .bt_params = &iwl2030_bt_params, \ .need_dc_calib = true, \ .need_temp_offset_calib = true, \ .led_mode = IWL_LED_RF_STATE, \ .adv_pm = true, \ .rx_with_siso_diversity = true \ struct iwl_cfg iwl135_bg_cfg = { .name = "105 Series 1x1 BG/BT", IWL_DEVICE_135, }; struct iwl_cfg iwl135_bgn_cfg = { .name = "105 Series 1x1 BGN/BT", IWL_DEVICE_135, .ht_params = &iwl2000_ht_params, }; MODULE_FIRMWARE(IWL2000_MODULE_FIRMWARE(IWL2000_UCODE_API_MAX)); MODULE_FIRMWARE(IWL2030_MODULE_FIRMWARE(IWL2030_UCODE_API_MAX)); MODULE_FIRMWARE(IWL105_MODULE_FIRMWARE(IWL105_UCODE_API_MAX));