|  | /****************************************************************************** | 
|  | * | 
|  | * 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 <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-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 __stringify(api) ".ucode" | 
|  |  | 
|  | #define IWL2000_FW_PRE "iwlwifi-2000-" | 
|  | #define IWL2000_MODULE_FIRMWARE(api) IWL2000_FW_PRE __stringify(api) ".ucode" | 
|  |  | 
|  | #define IWL105_FW_PRE "iwlwifi-105-" | 
|  | #define IWL105_MODULE_FIRMWARE(api) IWL105_FW_PRE __stringify(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 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, | 
|  | .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)); |