/****************************************************************************** * * Copyright(c) 2007 - 2010 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 #include "iwl-eeprom.h" #include "iwl-dev.h" #include "iwl-core.h" #include "iwl-io.h" #include "iwl-sta.h" #include "iwl-helpers.h" #include "iwl-agn.h" #include "iwl-agn-led.h" #include "iwl-agn-hw.h" #include "iwl-5000-hw.h" #include "iwl-agn-debugfs.h" /* Highest firmware API version supported */ #define IWL5000_UCODE_API_MAX 5 #define IWL5150_UCODE_API_MAX 2 /* Lowest firmware API version supported */ #define IWL5000_UCODE_API_MIN 1 #define IWL5150_UCODE_API_MIN 1 #define IWL5000_FW_PRE "iwlwifi-5000-" #define _IWL5000_MODULE_FIRMWARE(api) IWL5000_FW_PRE #api ".ucode" #define IWL5000_MODULE_FIRMWARE(api) _IWL5000_MODULE_FIRMWARE(api) #define IWL5150_FW_PRE "iwlwifi-5150-" #define _IWL5150_MODULE_FIRMWARE(api) IWL5150_FW_PRE #api ".ucode" #define IWL5150_MODULE_FIRMWARE(api) _IWL5150_MODULE_FIRMWARE(api) /* NIC configuration for 5000 series */ static void iwl5000_nic_config(struct iwl_priv *priv) { unsigned long flags; u16 radio_cfg; spin_lock_irqsave(&priv->lock, flags); 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); /* W/A : NIC is stuck in a reset state after Early PCIe power off * (PCIe power is lost before PERST# is asserted), * causing ME FW to lose ownership and not being able to obtain it back. */ iwl_set_bits_mask_prph(priv, APMG_PS_CTRL_REG, APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS, ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS); spin_unlock_irqrestore(&priv->lock, flags); } static struct iwl_sensitivity_ranges iwl5000_sensitivity = { .min_nrg_cck = 95, .max_nrg_cck = 0, /* not used, set to 0 */ .auto_corr_min_ofdm = 90, .auto_corr_min_ofdm_mrc = 170, .auto_corr_min_ofdm_x1 = 120, .auto_corr_min_ofdm_mrc_x1 = 240, .auto_corr_max_ofdm = 120, .auto_corr_max_ofdm_mrc = 210, .auto_corr_max_ofdm_x1 = 120, .auto_corr_max_ofdm_mrc_x1 = 240, .auto_corr_min_cck = 125, .auto_corr_max_cck = 200, .auto_corr_min_cck_mrc = 170, .auto_corr_max_cck_mrc = 400, .nrg_th_cck = 95, .nrg_th_ofdm = 95, .barker_corr_th_min = 190, .barker_corr_th_min_mrc = 390, .nrg_th_cca = 62, }; static struct iwl_sensitivity_ranges iwl5150_sensitivity = { .min_nrg_cck = 95, .max_nrg_cck = 0, /* not used, set to 0 */ .auto_corr_min_ofdm = 90, .auto_corr_min_ofdm_mrc = 170, .auto_corr_min_ofdm_x1 = 105, .auto_corr_min_ofdm_mrc_x1 = 220, .auto_corr_max_ofdm = 120, .auto_corr_max_ofdm_mrc = 210, /* max = min for performance bug in 5150 DSP */ .auto_corr_max_ofdm_x1 = 105, .auto_corr_max_ofdm_mrc_x1 = 220, .auto_corr_min_cck = 125, .auto_corr_max_cck = 200, .auto_corr_min_cck_mrc = 170, .auto_corr_max_cck_mrc = 400, .nrg_th_cck = 95, .nrg_th_ofdm = 95, .barker_corr_th_min = 190, .barker_corr_th_min_mrc = 390, .nrg_th_cca = 62, }; static void iwl5150_set_ct_threshold(struct iwl_priv *priv) { const s32 volt2temp_coef = IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF; s32 threshold = (s32)CELSIUS_TO_KELVIN(CT_KILL_THRESHOLD_LEGACY) - iwl_temp_calib_to_offset(priv); priv->hw_params.ct_kill_threshold = threshold * volt2temp_coef; } static void iwl5000_set_ct_threshold(struct iwl_priv *priv) { /* want Celsius */ priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD_LEGACY; } static int iwl5000_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 <= IWLAGN_NUM_QUEUES) priv->cfg->base_params->num_of_queues = priv->cfg->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 = IWLAGN_RTC_DATA_SIZE; priv->hw_params.max_inst_size = IWLAGN_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); 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; iwl5000_set_ct_threshold(priv); /* Set initial sensitivity parameters */ /* Set initial calibration set */ priv->hw_params.sens = &iwl5000_sensitivity; priv->hw_params.calib_init_cfg = BIT(IWL_CALIB_XTAL) | BIT(IWL_CALIB_LO) | BIT(IWL_CALIB_TX_IQ) | BIT(IWL_CALIB_TX_IQ_PERD) | BIT(IWL_CALIB_BASE_BAND); priv->hw_params.beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS; return 0; } static int iwl5150_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 <= IWLAGN_NUM_QUEUES) priv->cfg->base_params->num_of_queues = priv->cfg->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 = IWLAGN_RTC_DATA_SIZE; priv->hw_params.max_inst_size = IWLAGN_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); 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; iwl5150_set_ct_threshold(priv); /* Set initial sensitivity parameters */ /* Set initial calibration set */ priv->hw_params.sens = &iwl5150_sensitivity; priv->hw_params.calib_init_cfg = BIT(IWL_CALIB_LO) | BIT(IWL_CALIB_TX_IQ) | BIT(IWL_CALIB_BASE_BAND); if (priv->cfg->need_dc_calib) priv->hw_params.calib_init_cfg |= BIT(IWL_CALIB_DC); priv->hw_params.beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS; return 0; } static void iwl5150_temperature(struct iwl_priv *priv) { u32 vt = 0; s32 offset = iwl_temp_calib_to_offset(priv); vt = le32_to_cpu(priv->_agn.statistics.general.common.temperature); vt = vt / IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF + offset; /* now vt hold the temperature in Kelvin */ priv->temperature = KELVIN_TO_CELSIUS(vt); iwl_tt_handler(priv); } static int iwl5000_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 iwl5000_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 %d to %d\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 iwl5000_lib = { .set_hw_params = iwl5000_hw_set_hw_params, .txq_update_byte_cnt_tbl = iwlagn_txq_update_byte_cnt_tbl, .txq_inval_byte_cnt_tbl = iwlagn_txq_inval_byte_cnt_tbl, .txq_set_sched = iwlagn_txq_set_sched, .txq_attach_buf_to_tfd = iwl_hw_txq_attach_buf_to_tfd, .txq_free_tfd = iwl_hw_txq_free_tfd, .txq_init = iwl_hw_tx_queue_init, .rx_handler_setup = iwlagn_rx_handler_setup, .setup_deferred_work = iwlagn_setup_deferred_work, .is_valid_rtc_data_addr = iwlagn_hw_valid_rtc_data_addr, .dump_nic_event_log = iwl_dump_nic_event_log, .dump_nic_error_log = iwl_dump_nic_error_log, .dump_csr = iwl_dump_csr, .dump_fh = iwl_dump_fh, .send_tx_power = iwlagn_send_tx_power, .update_chain_flags = iwl_update_chain_flags, .set_channel_switch = iwl5000_hw_channel_switch, .apm_ops = { .init = iwl_apm_init, .config = iwl5000_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_REG_BAND_24_HT40_CHANNELS, EEPROM_REG_BAND_52_HT40_CHANNELS }, .acquire_semaphore = iwlcore_eeprom_acquire_semaphore, .release_semaphore = iwlcore_eeprom_release_semaphore, .calib_version = iwlagn_eeprom_calib_version, .query_addr = iwlagn_eeprom_query_addr, }, .isr_ops = { .isr = iwl_isr_ict, .free = iwl_free_isr_ict, .alloc = iwl_alloc_isr_ict, .reset = iwl_reset_ict, .disable = iwl_disable_ict, }, .temp_ops = { .temperature = iwlagn_temperature, }, .debugfs_ops = { .rx_stats_read = iwl_ucode_rx_stats_read, .tx_stats_read = iwl_ucode_tx_stats_read, .general_stats_read = iwl_ucode_general_stats_read, .bt_stats_read = iwl_ucode_bt_stats_read, .reply_tx_error = iwl_reply_tx_error_read, }, .txfifo_flush = iwlagn_txfifo_flush, .dev_txfifo_flush = iwlagn_dev_txfifo_flush, .tt_ops = { .lower_power_detection = iwl_tt_is_low_power_state, .tt_power_mode = iwl_tt_current_power_mode, .ct_kill_check = iwl_check_for_ct_kill, } }; static struct iwl_lib_ops iwl5150_lib = { .set_hw_params = iwl5150_hw_set_hw_params, .txq_update_byte_cnt_tbl = iwlagn_txq_update_byte_cnt_tbl, .txq_inval_byte_cnt_tbl = iwlagn_txq_inval_byte_cnt_tbl, .txq_set_sched = iwlagn_txq_set_sched, .txq_attach_buf_to_tfd = iwl_hw_txq_attach_buf_to_tfd, .txq_free_tfd = iwl_hw_txq_free_tfd, .txq_init = iwl_hw_tx_queue_init, .rx_handler_setup = iwlagn_rx_handler_setup, .setup_deferred_work = iwlagn_setup_deferred_work, .is_valid_rtc_data_addr = iwlagn_hw_valid_rtc_data_addr, .dump_nic_event_log = iwl_dump_nic_event_log, .dump_nic_error_log = iwl_dump_nic_error_log, .dump_csr = iwl_dump_csr, .send_tx_power = iwlagn_send_tx_power, .update_chain_flags = iwl_update_chain_flags, .set_channel_switch = iwl5000_hw_channel_switch, .apm_ops = { .init = iwl_apm_init, .config = iwl5000_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_REG_BAND_24_HT40_CHANNELS, EEPROM_REG_BAND_52_HT40_CHANNELS }, .acquire_semaphore = iwlcore_eeprom_acquire_semaphore, .release_semaphore = iwlcore_eeprom_release_semaphore, .calib_version = iwlagn_eeprom_calib_version, .query_addr = iwlagn_eeprom_query_addr, }, .isr_ops = { .isr = iwl_isr_ict, .free = iwl_free_isr_ict, .alloc = iwl_alloc_isr_ict, .reset = iwl_reset_ict, .disable = iwl_disable_ict, }, .temp_ops = { .temperature = iwl5150_temperature, }, .debugfs_ops = { .rx_stats_read = iwl_ucode_rx_stats_read, .tx_stats_read = iwl_ucode_tx_stats_read, .general_stats_read = iwl_ucode_general_stats_read, .bt_stats_read = iwl_ucode_bt_stats_read, .reply_tx_error = iwl_reply_tx_error_read, }, .txfifo_flush = iwlagn_txfifo_flush, .dev_txfifo_flush = iwlagn_dev_txfifo_flush, .tt_ops = { .lower_power_detection = iwl_tt_is_low_power_state, .tt_power_mode = iwl_tt_current_power_mode, .ct_kill_check = iwl_check_for_ct_kill, } }; static const struct iwl_ops iwl5000_ops = { .lib = &iwl5000_lib, .hcmd = &iwlagn_hcmd, .utils = &iwlagn_hcmd_utils, .led = &iwlagn_led_ops, .ieee80211_ops = &iwlagn_hw_ops, }; static const struct iwl_ops iwl5150_ops = { .lib = &iwl5150_lib, .hcmd = &iwlagn_hcmd, .utils = &iwlagn_hcmd_utils, .led = &iwlagn_led_ops, .ieee80211_ops = &iwlagn_hw_ops, }; static struct iwl_base_params iwl5000_base_params = { .eeprom_size = IWLAGN_EEPROM_IMG_SIZE, .num_of_queues = IWLAGN_NUM_QUEUES, .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES, .pll_cfg_val = CSR50_ANA_PLL_CFG_VAL, .set_l0s = true, .use_bsm = false, .led_compensation = 51, .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, .plcp_delta_threshold = IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF, .chain_noise_scale = 1000, .wd_timeout = IWL_LONG_WD_TIMEOUT, .max_event_log_size = 512, .ucode_tracing = true, .sensitivity_calib_by_driver = true, .chain_noise_calib_by_driver = true, }; static struct iwl_ht_params iwl5000_ht_params = { .ht_greenfield_support = true, .use_rts_for_aggregation = true, /* use rts/cts protection */ }; #define IWL_DEVICE_5000 \ .fw_name_pre = IWL5000_FW_PRE, \ .ucode_api_max = IWL5000_UCODE_API_MAX, \ .ucode_api_min = IWL5000_UCODE_API_MIN, \ .eeprom_ver = EEPROM_5000_EEPROM_VERSION, \ .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION, \ .ops = &iwl5000_ops, \ .mod_params = &iwlagn_mod_params, \ .base_params = &iwl5000_base_params, \ .led_mode = IWL_LED_BLINK struct iwl_cfg iwl5300_agn_cfg = { .name = "Intel(R) Ultimate N WiFi Link 5300 AGN", IWL_DEVICE_5000, .ht_params = &iwl5000_ht_params, }; struct iwl_cfg iwl5100_bgn_cfg = { .name = "Intel(R) WiFi Link 5100 BGN", IWL_DEVICE_5000, .valid_tx_ant = ANT_B, /* .cfg overwrite */ .valid_rx_ant = ANT_AB, /* .cfg overwrite */ .ht_params = &iwl5000_ht_params, }; struct iwl_cfg iwl5100_abg_cfg = { .name = "Intel(R) WiFi Link 5100 ABG", IWL_DEVICE_5000, .valid_tx_ant = ANT_B, /* .cfg overwrite */ .valid_rx_ant = ANT_AB, /* .cfg overwrite */ }; struct iwl_cfg iwl5100_agn_cfg = { .name = "Intel(R) WiFi Link 5100 AGN", IWL_DEVICE_5000, .valid_tx_ant = ANT_B, /* .cfg overwrite */ .valid_rx_ant = ANT_AB, /* .cfg overwrite */ .ht_params = &iwl5000_ht_params, }; struct iwl_cfg iwl5350_agn_cfg = { .name = "Intel(R) WiMAX/WiFi Link 5350 AGN", .fw_name_pre = IWL5000_FW_PRE, .ucode_api_max = IWL5000_UCODE_API_MAX, .ucode_api_min = IWL5000_UCODE_API_MIN, .eeprom_ver = EEPROM_5050_EEPROM_VERSION, .eeprom_calib_ver = EEPROM_5050_TX_POWER_VERSION, .ops = &iwl5000_ops, .mod_params = &iwlagn_mod_params, .base_params = &iwl5000_base_params, .ht_params = &iwl5000_ht_params, .led_mode = IWL_LED_BLINK, .internal_wimax_coex = true, }; #define IWL_DEVICE_5150 \ .fw_name_pre = IWL5150_FW_PRE, \ .ucode_api_max = IWL5150_UCODE_API_MAX, \ .ucode_api_min = IWL5150_UCODE_API_MIN, \ .eeprom_ver = EEPROM_5050_EEPROM_VERSION, \ .eeprom_calib_ver = EEPROM_5050_TX_POWER_VERSION, \ .ops = &iwl5150_ops, \ .mod_params = &iwlagn_mod_params, \ .base_params = &iwl5000_base_params, \ .need_dc_calib = true, \ .led_mode = IWL_LED_BLINK, \ .internal_wimax_coex = true struct iwl_cfg iwl5150_agn_cfg = { .name = "Intel(R) WiMAX/WiFi Link 5150 AGN", IWL_DEVICE_5150, .ht_params = &iwl5000_ht_params, }; struct iwl_cfg iwl5150_abg_cfg = { .name = "Intel(R) WiMAX/WiFi Link 5150 ABG", IWL_DEVICE_5150, }; MODULE_FIRMWARE(IWL5000_MODULE_FIRMWARE(IWL5000_UCODE_API_MAX)); MODULE_FIRMWARE(IWL5150_MODULE_FIRMWARE(IWL5150_UCODE_API_MAX));