| /****************************************************************************** |
| * |
| * 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 <ilw@linux.intel.com> |
| * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| * |
| *****************************************************************************/ |
| |
| #include <linux/kernel.h> |
| #include <linux/module.h> |
| #include <linux/init.h> |
| #include <linux/pci.h> |
| #include <linux/dma-mapping.h> |
| #include <linux/delay.h> |
| #include <linux/skbuff.h> |
| #include <linux/netdevice.h> |
| #include <linux/wireless.h> |
| #include <net/mac80211.h> |
| #include <linux/etherdevice.h> |
| #include <asm/unaligned.h> |
| |
| #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, |
| .send_tx_power = iwlagn_send_tx_power, |
| .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)); |