231 lines
7.1 KiB
C
231 lines
7.1 KiB
C
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/******************************************************************************
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*
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* Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
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*
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* The full GNU General Public License is included in this distribution in the
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* file called LICENSE.
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*
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* Contact Information:
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* Intel Linux Wireless <ilw@linux.intel.com>
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* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*
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*****************************************************************************/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/delay.h>
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#include <linux/skbuff.h>
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#include <linux/netdevice.h>
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#include <net/mac80211.h>
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#include <linux/etherdevice.h>
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#include <asm/unaligned.h>
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#include <linux/stringify.h>
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#include "iwl-eeprom.h"
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#include "iwl-dev.h"
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#include "iwl-core.h"
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#include "iwl-io.h"
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#include "iwl-agn.h"
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#include "iwl-agn-hw.h"
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#include "iwl-shared.h"
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#include "iwl-cfg.h"
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#include "iwl-prph.h"
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/* Highest firmware API version supported */
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#define IWL1000_UCODE_API_MAX 5
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#define IWL100_UCODE_API_MAX 5
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/* Oldest version we won't warn about */
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#define IWL1000_UCODE_API_OK 5
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#define IWL100_UCODE_API_OK 5
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/* Lowest firmware API version supported */
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#define IWL1000_UCODE_API_MIN 1
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#define IWL100_UCODE_API_MIN 5
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#define IWL1000_FW_PRE "iwlwifi-1000-"
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#define IWL1000_MODULE_FIRMWARE(api) IWL1000_FW_PRE __stringify(api) ".ucode"
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#define IWL100_FW_PRE "iwlwifi-100-"
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#define IWL100_MODULE_FIRMWARE(api) IWL100_FW_PRE __stringify(api) ".ucode"
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/*
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* For 1000, use advance thermal throttling critical temperature threshold,
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* but legacy thermal management implementation for now.
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* This is for the reason of 1000 uCode using advance thermal throttling API
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* but not implement ct_kill_exit based on ct_kill exit temperature
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* so the thermal throttling will still based on legacy thermal throttling
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* management.
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* The code here need to be modified once 1000 uCode has the advanced thermal
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* throttling algorithm in place
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*/
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static void iwl1000_set_ct_threshold(struct iwl_priv *priv)
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{
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/* want Celsius */
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hw_params(priv).ct_kill_threshold = CT_KILL_THRESHOLD_LEGACY;
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hw_params(priv).ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
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}
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/* NIC configuration for 1000 series */
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static void iwl1000_nic_config(struct iwl_priv *priv)
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{
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/* set CSR_HW_CONFIG_REG for uCode use */
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iwl_set_bit(trans(priv), CSR_HW_IF_CONFIG_REG,
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CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
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CSR_HW_IF_CONFIG_REG_BIT_MAC_SI);
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/* Setting digital SVR for 1000 card to 1.32V */
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/* locking is acquired in iwl_set_bits_mask_prph() function */
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iwl_set_bits_mask_prph(trans(priv), APMG_DIGITAL_SVR_REG,
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APMG_SVR_DIGITAL_VOLTAGE_1_32,
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~APMG_SVR_VOLTAGE_CONFIG_BIT_MSK);
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}
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static const struct iwl_sensitivity_ranges iwl1000_sensitivity = {
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.min_nrg_cck = 95,
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.auto_corr_min_ofdm = 90,
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.auto_corr_min_ofdm_mrc = 170,
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.auto_corr_min_ofdm_x1 = 120,
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.auto_corr_min_ofdm_mrc_x1 = 240,
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.auto_corr_max_ofdm = 120,
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.auto_corr_max_ofdm_mrc = 210,
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.auto_corr_max_ofdm_x1 = 155,
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.auto_corr_max_ofdm_mrc_x1 = 290,
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.auto_corr_min_cck = 125,
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.auto_corr_max_cck = 200,
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.auto_corr_min_cck_mrc = 170,
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.auto_corr_max_cck_mrc = 400,
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.nrg_th_cck = 95,
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.nrg_th_ofdm = 95,
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.barker_corr_th_min = 190,
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.barker_corr_th_min_mrc = 390,
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.nrg_th_cca = 62,
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};
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static void iwl1000_hw_set_hw_params(struct iwl_priv *priv)
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{
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hw_params(priv).ht40_channel = BIT(IEEE80211_BAND_2GHZ);
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hw_params(priv).tx_chains_num =
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num_of_ant(hw_params(priv).valid_tx_ant);
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if (cfg(priv)->rx_with_siso_diversity)
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hw_params(priv).rx_chains_num = 1;
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else
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hw_params(priv).rx_chains_num =
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num_of_ant(hw_params(priv).valid_rx_ant);
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iwl1000_set_ct_threshold(priv);
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/* Set initial sensitivity parameters */
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hw_params(priv).sens = &iwl1000_sensitivity;
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}
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static struct iwl_lib_ops iwl1000_lib = {
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.set_hw_params = iwl1000_hw_set_hw_params,
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.nic_config = iwl1000_nic_config,
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.eeprom_ops = {
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.regulatory_bands = {
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EEPROM_REG_BAND_1_CHANNELS,
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EEPROM_REG_BAND_2_CHANNELS,
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EEPROM_REG_BAND_3_CHANNELS,
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EEPROM_REG_BAND_4_CHANNELS,
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EEPROM_REG_BAND_5_CHANNELS,
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EEPROM_REG_BAND_24_HT40_CHANNELS,
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EEPROM_REGULATORY_BAND_NO_HT40,
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},
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},
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.temperature = iwlagn_temperature,
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};
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static const struct iwl_base_params iwl1000_base_params = {
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.num_of_queues = IWLAGN_NUM_QUEUES,
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.num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
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.eeprom_size = OTP_LOW_IMAGE_SIZE,
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.pll_cfg_val = CSR50_ANA_PLL_CFG_VAL,
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.max_ll_items = OTP_MAX_LL_ITEMS_1000,
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.shadow_ram_support = false,
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.led_compensation = 51,
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.support_ct_kill_exit = true,
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.plcp_delta_threshold = IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF,
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.chain_noise_scale = 1000,
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.wd_timeout = IWL_DEF_WD_TIMEOUT,
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.max_event_log_size = 128,
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.wd_disable = true,
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};
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static const struct iwl_ht_params iwl1000_ht_params = {
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.ht_greenfield_support = true,
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.use_rts_for_aggregation = true, /* use rts/cts protection */
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.smps_mode = IEEE80211_SMPS_DYNAMIC,
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};
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#define IWL_DEVICE_1000 \
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.fw_name_pre = IWL1000_FW_PRE, \
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.ucode_api_max = IWL1000_UCODE_API_MAX, \
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.ucode_api_ok = IWL1000_UCODE_API_OK, \
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.ucode_api_min = IWL1000_UCODE_API_MIN, \
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.max_inst_size = IWLAGN_RTC_INST_SIZE, \
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.max_data_size = IWLAGN_RTC_DATA_SIZE, \
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.eeprom_ver = EEPROM_1000_EEPROM_VERSION, \
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.eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION, \
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.lib = &iwl1000_lib, \
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.base_params = &iwl1000_base_params, \
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.led_mode = IWL_LED_BLINK
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const struct iwl_cfg iwl1000_bgn_cfg = {
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.name = "Intel(R) Centrino(R) Wireless-N 1000 BGN",
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IWL_DEVICE_1000,
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.ht_params = &iwl1000_ht_params,
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};
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const struct iwl_cfg iwl1000_bg_cfg = {
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.name = "Intel(R) Centrino(R) Wireless-N 1000 BG",
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IWL_DEVICE_1000,
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};
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#define IWL_DEVICE_100 \
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.fw_name_pre = IWL100_FW_PRE, \
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.ucode_api_max = IWL100_UCODE_API_MAX, \
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.ucode_api_ok = IWL100_UCODE_API_OK, \
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.ucode_api_min = IWL100_UCODE_API_MIN, \
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.max_inst_size = IWLAGN_RTC_INST_SIZE, \
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.max_data_size = IWLAGN_RTC_DATA_SIZE, \
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.eeprom_ver = EEPROM_1000_EEPROM_VERSION, \
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.eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION, \
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.lib = &iwl1000_lib, \
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.base_params = &iwl1000_base_params, \
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.led_mode = IWL_LED_RF_STATE, \
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.rx_with_siso_diversity = true
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const struct iwl_cfg iwl100_bgn_cfg = {
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.name = "Intel(R) Centrino(R) Wireless-N 100 BGN",
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IWL_DEVICE_100,
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.ht_params = &iwl1000_ht_params,
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};
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const struct iwl_cfg iwl100_bg_cfg = {
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.name = "Intel(R) Centrino(R) Wireless-N 100 BG",
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IWL_DEVICE_100,
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};
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MODULE_FIRMWARE(IWL1000_MODULE_FIRMWARE(IWL1000_UCODE_API_OK));
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MODULE_FIRMWARE(IWL100_MODULE_FIRMWARE(IWL100_UCODE_API_OK));
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