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/******************************************************************************
*
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* Copyright ( c ) 2008 - 2010 Intel Corporation . All rights reserved .
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*
* 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"
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# include "iwl-agn.h"
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# include "iwl-helpers.h"
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# include "iwl-agn-hw.h"
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# include "iwl-agn-led.h"
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/* Highest firmware API version supported */
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# define IWL1000_UCODE_API_MAX 3
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/* Lowest firmware API version supported */
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# define IWL1000_UCODE_API_MIN 1
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# define IWL1000_FW_PRE "iwlwifi-1000-"
# define _IWL1000_MODULE_FIRMWARE(api) IWL1000_FW_PRE #api ".ucode"
# define IWL1000_MODULE_FIRMWARE(api) _IWL1000_MODULE_FIRMWARE(api)
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/*
* 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 ;
}
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/* NIC configuration for 1000 series */
static void iwl1000_nic_config ( struct iwl_priv * priv )
{
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/* 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 ) ;
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/* 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 ) ;
}
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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 ( priv - > cfg - > mod_params - > num_of_queues > = IWL_MIN_NUM_QUEUES & &
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priv - > cfg - > mod_params - > num_of_queues < = IWLAGN_NUM_QUEUES )
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priv - > cfg - > num_of_queues =
priv - > cfg - > mod_params - > num_of_queues ;
priv - > hw_params . max_txq_num = priv - > cfg - > num_of_queues ;
priv - > hw_params . dma_chnl_num = FH50_TCSR_CHNL_NUM ;
priv - > hw_params . scd_bc_tbls_size =
priv - > cfg - > num_of_queues *
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sizeof ( struct iwlagn_scd_bc_tbl ) ;
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priv - > hw_params . tfd_size = sizeof ( struct iwl_tfd ) ;
priv - > hw_params . max_stations = IWL5000_STATION_COUNT ;
priv - > hw_params . bcast_sta_id = IWL5000_BROADCAST_ID ;
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priv - > hw_params . max_data_size = IWLAGN_RTC_DATA_SIZE ;
priv - > hw_params . max_inst_size = IWLAGN_RTC_INST_SIZE ;
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priv - > hw_params . max_bsm_size = 0 ;
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 ) ;
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 ;
if ( priv - > cfg - > ops - > lib - > temp_ops . set_ct_kill )
priv - > cfg - > ops - > lib - > temp_ops . set_ct_kill ( 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 ) ;
return 0 ;
}
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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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. txq_update_byte_cnt_tbl = iwlagn_txq_update_byte_cnt_tbl ,
. txq_inval_byte_cnt_tbl = iwlagn_txq_inval_byte_cnt_tbl ,
. txq_set_sched = iwlagn_txq_set_sched ,
. txq_agg_enable = iwlagn_txq_agg_enable ,
. txq_agg_disable = iwlagn_txq_agg_disable ,
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. txq_attach_buf_to_tfd = iwl_hw_txq_attach_buf_to_tfd ,
. txq_free_tfd = iwl_hw_txq_free_tfd ,
. txq_init = iwl_hw_tx_queue_init ,
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. 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 ,
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. load_ucode = iwlagn_load_ucode ,
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. dump_nic_event_log = iwl_dump_nic_event_log ,
. dump_nic_error_log = iwl_dump_nic_error_log ,
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. dump_csr = iwl_dump_csr ,
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. dump_fh = iwl_dump_fh ,
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. init_alive_start = iwlagn_init_alive_start ,
. alive_notify = iwlagn_alive_notify ,
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. send_tx_power = iwlagn_send_tx_power ,
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. update_chain_flags = iwl_update_chain_flags ,
. apm_ops = {
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. init = iwl_apm_init ,
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. stop = iwl_apm_stop ,
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. config = iwl1000_nic_config ,
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. set_pwr_src = iwl_set_pwr_src ,
} ,
. eeprom_ops = {
. regulatory_bands = {
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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_REG_BAND_52_HT40_CHANNELS
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} ,
. verify_signature = iwlcore_eeprom_verify_signature ,
. acquire_semaphore = iwlcore_eeprom_acquire_semaphore ,
. release_semaphore = iwlcore_eeprom_release_semaphore ,
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. calib_version = iwlagn_eeprom_calib_version ,
. query_addr = iwlagn_eeprom_query_addr ,
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} ,
. post_associate = iwl_post_associate ,
. isr = iwl_isr_ict ,
. config_ap = iwl_config_ap ,
. temp_ops = {
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. temperature = iwlagn_temperature ,
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. set_ct_kill = iwl1000_set_ct_threshold ,
} ,
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. add_bcast_station = iwl_add_bcast_station ,
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. recover_from_tx_stall = iwl_bg_monitor_recover ,
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. check_plcp_health = iwl_good_plcp_health ,
. check_ack_health = iwl_good_ack_health ,
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} ;
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static const struct iwl_ops iwl1000_ops = {
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. ucode = & iwlagn_ucode ,
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. lib = & iwl1000_lib ,
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. hcmd = & iwlagn_hcmd ,
. utils = & iwlagn_hcmd_utils ,
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. led = & iwlagn_led_ops ,
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} ;
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struct iwl_cfg iwl1000_bgn_cfg = {
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. name = " Intel(R) Centrino(R) Wireless-N 1000 BGN " ,
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. fw_name_pre = IWL1000_FW_PRE ,
. ucode_api_max = IWL1000_UCODE_API_MAX ,
. ucode_api_min = IWL1000_UCODE_API_MIN ,
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. sku = IWL_SKU_G | IWL_SKU_N ,
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. ops = & iwl1000_ops ,
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. eeprom_size = OTP_LOW_IMAGE_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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. num_of_queues = IWLAGN_NUM_QUEUES ,
. num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES ,
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. mod_params = & iwlagn_mod_params ,
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. valid_tx_ant = ANT_A ,
. valid_rx_ant = ANT_AB ,
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. pll_cfg_val = CSR50_ANA_PLL_CFG_VAL ,
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. set_l0s = true ,
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. use_bsm = false ,
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. max_ll_items = OTP_MAX_LL_ITEMS_1000 ,
. shadow_ram_support = false ,
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. ht_greenfield_support = true ,
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. led_compensation = 51 ,
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. use_rts_for_ht = true , /* use rts/cts protection */
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. chain_noise_num_beacons = IWL_CAL_NUM_BEACONS ,
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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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. monitor_recover_period = IWL_MONITORING_PERIOD ,
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. max_event_log_size = 128 ,
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} ;
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struct iwl_cfg iwl1000_bg_cfg = {
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. name = " Intel(R) Centrino(R) Wireless-N 1000 BG " ,
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. fw_name_pre = IWL1000_FW_PRE ,
. ucode_api_max = IWL1000_UCODE_API_MAX ,
. ucode_api_min = IWL1000_UCODE_API_MIN ,
. sku = IWL_SKU_G ,
. ops = & iwl1000_ops ,
. eeprom_size = OTP_LOW_IMAGE_SIZE ,
. eeprom_ver = EEPROM_1000_EEPROM_VERSION ,
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. eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION ,
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. num_of_queues = IWLAGN_NUM_QUEUES ,
. num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES ,
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. mod_params = & iwlagn_mod_params ,
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. valid_tx_ant = ANT_A ,
. valid_rx_ant = ANT_AB ,
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. pll_cfg_val = CSR50_ANA_PLL_CFG_VAL ,
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. set_l0s = true ,
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. use_bsm = false ,
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. max_ll_items = OTP_MAX_LL_ITEMS_1000 ,
. shadow_ram_support = false ,
. ht_greenfield_support = true ,
. led_compensation = 51 ,
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. chain_noise_num_beacons = IWL_CAL_NUM_BEACONS ,
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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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. monitor_recover_period = IWL_MONITORING_PERIOD ,
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. max_event_log_size = 128 ,
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} ;
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MODULE_FIRMWARE ( IWL1000_MODULE_FIRMWARE ( IWL1000_UCODE_API_MAX ) ) ;