| /****************************************************************************** |
| * |
| * 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/delay.h> |
| #include <linux/skbuff.h> |
| #include <linux/netdevice.h> |
| #include <net/mac80211.h> |
| #include <linux/etherdevice.h> |
| #include <asm/unaligned.h> |
| #include <linux/stringify.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-shared.h" |
| |
| /* Highest firmware API version supported */ |
| #define IWL1000_UCODE_API_MAX 6 |
| #define IWL100_UCODE_API_MAX 6 |
| |
| /* Oldest version we won't warn about */ |
| #define IWL1000_UCODE_API_OK 5 |
| #define IWL100_UCODE_API_OK 5 |
| |
| /* Lowest firmware API version supported */ |
| #define IWL1000_UCODE_API_MIN 1 |
| #define IWL100_UCODE_API_MIN 5 |
| |
| #define IWL1000_FW_PRE "iwlwifi-1000-" |
| #define IWL1000_MODULE_FIRMWARE(api) IWL1000_FW_PRE __stringify(api) ".ucode" |
| |
| #define IWL100_FW_PRE "iwlwifi-100-" |
| #define IWL100_MODULE_FIRMWARE(api) IWL100_FW_PRE __stringify(api) ".ucode" |
| |
| |
| /* |
| * For 1000, use advance thermal throttling critical temperature threshold, |
| * but legacy thermal management implementation for now. |
| * This is for the reason of 1000 uCode using advance thermal throttling API |
| * but not implement ct_kill_exit based on ct_kill exit temperature |
| * so the thermal throttling will still based on legacy thermal throttling |
| * management. |
| * The code here need to be modified once 1000 uCode has the advanced thermal |
| * throttling algorithm in place |
| */ |
| static void iwl1000_set_ct_threshold(struct iwl_priv *priv) |
| { |
| /* want Celsius */ |
| hw_params(priv).ct_kill_threshold = CT_KILL_THRESHOLD_LEGACY; |
| hw_params(priv).ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD; |
| } |
| |
| /* NIC configuration for 1000 series */ |
| static void iwl1000_nic_config(struct iwl_priv *priv) |
| { |
| /* 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); |
| |
| /* Setting digital SVR for 1000 card to 1.32V */ |
| /* locking is acquired in iwl_set_bits_mask_prph() function */ |
| iwl_set_bits_mask_prph(priv, APMG_DIGITAL_SVR_REG, |
| APMG_SVR_DIGITAL_VOLTAGE_1_32, |
| ~APMG_SVR_VOLTAGE_CONFIG_BIT_MSK); |
| } |
| |
| static struct iwl_sensitivity_ranges iwl1000_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 = 155, |
| .auto_corr_max_ofdm_mrc_x1 = 290, |
| |
| .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 int iwl1000_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; |
| |
| hw_params(priv).max_txq_num = priv->cfg->base_params->num_of_queues; |
| hw_params(priv).scd_bc_tbls_size = |
| priv->cfg->base_params->num_of_queues * |
| sizeof(struct iwlagn_scd_bc_tbl); |
| hw_params(priv).tfd_size = sizeof(struct iwl_tfd); |
| hw_params(priv).max_stations = IWLAGN_STATION_COUNT; |
| priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID; |
| |
| hw_params(priv).max_data_size = IWLAGN_RTC_DATA_SIZE; |
| hw_params(priv).max_inst_size = IWLAGN_RTC_INST_SIZE; |
| |
| hw_params(priv).ht40_channel = BIT(IEEE80211_BAND_2GHZ); |
| |
| hw_params(priv).tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant); |
| if (priv->cfg->rx_with_siso_diversity) |
| hw_params(priv).rx_chains_num = 1; |
| else |
| hw_params(priv).rx_chains_num = |
| num_of_ant(priv->cfg->valid_rx_ant); |
| hw_params(priv).valid_tx_ant = priv->cfg->valid_tx_ant; |
| hw_params(priv).valid_rx_ant = priv->cfg->valid_rx_ant; |
| |
| iwl1000_set_ct_threshold(priv); |
| |
| /* Set initial sensitivity parameters */ |
| /* Set initial calibration set */ |
| hw_params(priv).sens = &iwl1000_sensitivity; |
| hw_params(priv).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); |
| if (priv->cfg->need_dc_calib) |
| hw_params(priv).calib_init_cfg |= BIT(IWL_CALIB_DC); |
| |
| hw_params(priv).beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS; |
| |
| return 0; |
| } |
| |
| static struct iwl_lib_ops iwl1000_lib = { |
| .set_hw_params = iwl1000_hw_set_hw_params, |
| .nic_config = iwl1000_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_REGULATORY_BAND_NO_HT40, |
| }, |
| }, |
| .temperature = iwlagn_temperature, |
| }; |
| |
| static struct iwl_base_params iwl1000_base_params = { |
| .num_of_queues = IWLAGN_NUM_QUEUES, |
| .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES, |
| .eeprom_size = OTP_LOW_IMAGE_SIZE, |
| .pll_cfg_val = CSR50_ANA_PLL_CFG_VAL, |
| .max_ll_items = OTP_MAX_LL_ITEMS_1000, |
| .shadow_ram_support = false, |
| .led_compensation = 51, |
| .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, |
| .support_ct_kill_exit = true, |
| .plcp_delta_threshold = IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF, |
| .chain_noise_scale = 1000, |
| .wd_timeout = IWL_DEF_WD_TIMEOUT, |
| .max_event_log_size = 128, |
| }; |
| static struct iwl_ht_params iwl1000_ht_params = { |
| .ht_greenfield_support = true, |
| .use_rts_for_aggregation = true, /* use rts/cts protection */ |
| .smps_mode = IEEE80211_SMPS_DYNAMIC, |
| }; |
| |
| #define IWL_DEVICE_1000 \ |
| .fw_name_pre = IWL1000_FW_PRE, \ |
| .ucode_api_max = IWL1000_UCODE_API_MAX, \ |
| .ucode_api_ok = IWL1000_UCODE_API_OK, \ |
| .ucode_api_min = IWL1000_UCODE_API_MIN, \ |
| .eeprom_ver = EEPROM_1000_EEPROM_VERSION, \ |
| .eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION, \ |
| .lib = &iwl1000_lib, \ |
| .base_params = &iwl1000_base_params, \ |
| .led_mode = IWL_LED_BLINK |
| |
| struct iwl_cfg iwl1000_bgn_cfg = { |
| .name = "Intel(R) Centrino(R) Wireless-N 1000 BGN", |
| IWL_DEVICE_1000, |
| .ht_params = &iwl1000_ht_params, |
| }; |
| |
| struct iwl_cfg iwl1000_bg_cfg = { |
| .name = "Intel(R) Centrino(R) Wireless-N 1000 BG", |
| IWL_DEVICE_1000, |
| }; |
| |
| #define IWL_DEVICE_100 \ |
| .fw_name_pre = IWL100_FW_PRE, \ |
| .ucode_api_max = IWL100_UCODE_API_MAX, \ |
| .ucode_api_ok = IWL100_UCODE_API_OK, \ |
| .ucode_api_min = IWL100_UCODE_API_MIN, \ |
| .eeprom_ver = EEPROM_1000_EEPROM_VERSION, \ |
| .eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION, \ |
| .lib = &iwl1000_lib, \ |
| .base_params = &iwl1000_base_params, \ |
| .led_mode = IWL_LED_RF_STATE, \ |
| .rx_with_siso_diversity = true |
| |
| struct iwl_cfg iwl100_bgn_cfg = { |
| .name = "Intel(R) Centrino(R) Wireless-N 100 BGN", |
| IWL_DEVICE_100, |
| .ht_params = &iwl1000_ht_params, |
| }; |
| |
| struct iwl_cfg iwl100_bg_cfg = { |
| .name = "Intel(R) Centrino(R) Wireless-N 100 BG", |
| IWL_DEVICE_100, |
| }; |
| |
| MODULE_FIRMWARE(IWL1000_MODULE_FIRMWARE(IWL1000_UCODE_API_MAX)); |
| MODULE_FIRMWARE(IWL100_MODULE_FIRMWARE(IWL100_UCODE_API_MAX)); |