|  | /****************************************************************************** | 
|  | * | 
|  | * 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" | 
|  |  | 
|  | /* Highest firmware API version supported */ | 
|  | #define IWL1000_UCODE_API_MAX 5 | 
|  | #define IWL100_UCODE_API_MAX 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 */ | 
|  | priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD_LEGACY; | 
|  | priv->hw_params.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; | 
|  |  | 
|  | 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); | 
|  | 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; | 
|  |  | 
|  | iwl1000_set_ct_threshold(priv); | 
|  |  | 
|  | /* Set initial sensitivity parameters */ | 
|  | /* Set initial calibration set */ | 
|  | priv->hw_params.sens = &iwl1000_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); | 
|  | 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 struct iwl_lib_ops iwl1000_lib = { | 
|  | .set_hw_params = iwl1000_hw_set_hw_params, | 
|  | .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, | 
|  | .send_tx_power = iwlagn_send_tx_power, | 
|  | .update_chain_flags = iwl_update_chain_flags, | 
|  | .apm_ops = { | 
|  | .init = iwl_apm_init, | 
|  | .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, | 
|  | }, | 
|  | .query_addr = iwlagn_eeprom_query_addr, | 
|  | }, | 
|  | .temp_ops = { | 
|  | .temperature = iwlagn_temperature, | 
|  | }, | 
|  | .txfifo_flush = iwlagn_txfifo_flush, | 
|  | .dev_txfifo_flush = iwlagn_dev_txfifo_flush, | 
|  | }; | 
|  |  | 
|  | static const struct iwl_ops iwl1000_ops = { | 
|  | .lib = &iwl1000_lib, | 
|  | .hcmd = &iwlagn_hcmd, | 
|  | .utils = &iwlagn_hcmd_utils, | 
|  | }; | 
|  |  | 
|  | 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 */ | 
|  | }; | 
|  |  | 
|  | #define IWL_DEVICE_1000						\ | 
|  | .fw_name_pre = IWL1000_FW_PRE,				\ | 
|  | .ucode_api_max = IWL1000_UCODE_API_MAX,			\ | 
|  | .ucode_api_min = IWL1000_UCODE_API_MIN,			\ | 
|  | .eeprom_ver = EEPROM_1000_EEPROM_VERSION,		\ | 
|  | .eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION,	\ | 
|  | .ops = &iwl1000_ops,					\ | 
|  | .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_min = IWL100_UCODE_API_MIN,			\ | 
|  | .eeprom_ver = EEPROM_1000_EEPROM_VERSION,		\ | 
|  | .eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION,	\ | 
|  | .ops = &iwl1000_ops,					\ | 
|  | .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)); |