drivers/net/wireless/iwlwifi/iwl-2000.c

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of version 2 of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12  * more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along with
  15  * this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  17  *
  18  * The full GNU General Public License is included in this distribution in the
  19  * file called LICENSE.
  20  *
  21  * Contact Information:
  22  *  Intel Linux Wireless <ilw@linux.intel.com>
  23  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  24  *
  25  *****************************************************************************/
  26
  27 #include <linux/kernel.h>
  28 #include <linux/module.h>
  29 #include <linux/init.h>
  30 #include <linux/delay.h>
  31 #include <linux/skbuff.h>
  32 #include <linux/netdevice.h>
  33 #include <net/mac80211.h>
  34 #include <linux/etherdevice.h>
  35 #include <asm/unaligned.h>
  36 #include <linux/stringify.h>
  37
  38 #include "iwl-eeprom.h"
  39 #include "iwl-dev.h"
  40 #include "iwl-core.h"
  41 #include "iwl-io.h"
  42 #include "iwl-agn.h"
  43 #include "iwl-agn-hw.h"
  44 #include "iwl-shared.h"
  45 #include "iwl-cfg.h"
  46
  47 /* Highest firmware API version supported */
  48 #define IWL2030_UCODE_API_MAX 6
  49 #define IWL2000_UCODE_API_MAX 6
  50 #define IWL105_UCODE_API_MAX 6
  51 #define IWL135_UCODE_API_MAX 6
  52
  53 /* Oldest version we won't warn about */
  54 #define IWL2030_UCODE_API_OK 5
  55 #define IWL2000_UCODE_API_OK 5
  56 #define IWL105_UCODE_API_OK 5
  57 #define IWL135_UCODE_API_OK 5
  58
  59 /* Lowest firmware API version supported */
  60 #define IWL2030_UCODE_API_MIN 5
  61 #define IWL2000_UCODE_API_MIN 5
  62 #define IWL105_UCODE_API_MIN 5
  63 #define IWL135_UCODE_API_MIN 5
  64
  65 #define IWL2030_FW_PRE "iwlwifi-2030-"
  66 #define IWL2030_MODULE_FIRMWARE(api) IWL2030_FW_PRE __stringify(api) ".ucode"
  67
  68 #define IWL2000_FW_PRE "iwlwifi-2000-"
  69 #define IWL2000_MODULE_FIRMWARE(api) IWL2000_FW_PRE __stringify(api) ".ucode"
  70
  71 #define IWL105_FW_PRE "iwlwifi-105-"
  72 #define IWL105_MODULE_FIRMWARE(api) IWL105_FW_PRE __stringify(api) ".ucode"
  73
  74 #define IWL135_FW_PRE "iwlwifi-135-"
  75 #define IWL135_MODULE_FIRMWARE(api) IWL135_FW_PRE __stringify(api) ".ucode"
  76
  77 static void iwl2000_set_ct_threshold(struct iwl_priv *priv)
  78 {
  79         /* want Celsius */
  80         hw_params(priv).ct_kill_threshold = CT_KILL_THRESHOLD;
  81         hw_params(priv).ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
  82 }
  83
  84 /* NIC configuration for 2000 series */
  85 static void iwl2000_nic_config(struct iwl_priv *priv)
  86 {
  87         iwl_rf_config(priv);
  88
  89         if (cfg(priv)->iq_invert)
  90                 iwl_set_bit(trans(priv), CSR_GP_DRIVER_REG,
  91                             CSR_GP_DRIVER_REG_BIT_RADIO_IQ_INVER);
  92 }
  93
  94 static struct iwl_sensitivity_ranges iwl2000_sensitivity = {
  95         .min_nrg_cck = 97,
  96         .max_nrg_cck = 0, /* not used, set to 0 */
  97         .auto_corr_min_ofdm = 80,
  98         .auto_corr_min_ofdm_mrc = 128,
  99         .auto_corr_min_ofdm_x1 = 105,
 100         .auto_corr_min_ofdm_mrc_x1 = 192,
 101
 102         .auto_corr_max_ofdm = 145,
 103         .auto_corr_max_ofdm_mrc = 232,
 104         .auto_corr_max_ofdm_x1 = 110,
 105         .auto_corr_max_ofdm_mrc_x1 = 232,
 106
 107         .auto_corr_min_cck = 125,
 108         .auto_corr_max_cck = 175,
 109         .auto_corr_min_cck_mrc = 160,
 110         .auto_corr_max_cck_mrc = 310,
 111         .nrg_th_cck = 97,
 112         .nrg_th_ofdm = 100,
 113
 114         .barker_corr_th_min = 190,
 115         .barker_corr_th_min_mrc = 390,
 116         .nrg_th_cca = 62,
 117 };
 118
 119 static void iwl2000_hw_set_hw_params(struct iwl_priv *priv)
 120 {
 121         hw_params(priv).max_txq_num = cfg(priv)->base_params->num_of_queues;
 122
 123         hw_params(priv).ht40_channel =  BIT(IEEE80211_BAND_2GHZ);
 124
 125         hw_params(priv).tx_chains_num =
 126                 num_of_ant(hw_params(priv).valid_tx_ant);
 127         if (cfg(priv)->rx_with_siso_diversity)
 128                 hw_params(priv).rx_chains_num = 1;
 129         else
 130                 hw_params(priv).rx_chains_num =
 131                         num_of_ant(hw_params(priv).valid_rx_ant);
 132
 133         iwl2000_set_ct_threshold(priv);
 134
 135         /* Set initial sensitivity parameters */
 136         hw_params(priv).sens = &iwl2000_sensitivity;
 137 }
 138
 139 static struct iwl_lib_ops iwl2000_lib = {
 140         .set_hw_params = iwl2000_hw_set_hw_params,
 141         .nic_config = iwl2000_nic_config,
 142         .eeprom_ops = {
 143                 .regulatory_bands = {
 144                         EEPROM_REG_BAND_1_CHANNELS,
 145                         EEPROM_REG_BAND_2_CHANNELS,
 146                         EEPROM_REG_BAND_3_CHANNELS,
 147                         EEPROM_REG_BAND_4_CHANNELS,
 148                         EEPROM_REG_BAND_5_CHANNELS,
 149                         EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
 150                         EEPROM_REGULATORY_BAND_NO_HT40,
 151                 },
 152                 .update_enhanced_txpower = iwl_eeprom_enhanced_txpower,
 153         },
 154         .temperature = iwlagn_temperature,
 155 };
 156
 157 static struct iwl_lib_ops iwl2030_lib = {
 158         .set_hw_params = iwl2000_hw_set_hw_params,
 159         .bt_rx_handler_setup = iwlagn_bt_rx_handler_setup,
 160         .bt_setup_deferred_work = iwlagn_bt_setup_deferred_work,
 161         .cancel_deferred_work = iwlagn_bt_cancel_deferred_work,
 162         .nic_config = iwl2000_nic_config,
 163         .eeprom_ops = {
 164                 .regulatory_bands = {
 165                         EEPROM_REG_BAND_1_CHANNELS,
 166                         EEPROM_REG_BAND_2_CHANNELS,
 167                         EEPROM_REG_BAND_3_CHANNELS,
 168                         EEPROM_REG_BAND_4_CHANNELS,
 169                         EEPROM_REG_BAND_5_CHANNELS,
 170                         EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
 171                         EEPROM_REGULATORY_BAND_NO_HT40,
 172                 },
 173                 .update_enhanced_txpower = iwl_eeprom_enhanced_txpower,
 174         },
 175         .temperature = iwlagn_temperature,
 176 };
 177
 178 static const struct iwl_base_params iwl2000_base_params = {
 179         .eeprom_size = OTP_LOW_IMAGE_SIZE,
 180         .num_of_queues = IWLAGN_NUM_QUEUES,
 181         .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
 182         .pll_cfg_val = 0,
 183         .max_ll_items = OTP_MAX_LL_ITEMS_2x00,
 184         .shadow_ram_support = true,
 185         .led_compensation = 51,
 186         .adv_thermal_throttle = true,
 187         .support_ct_kill_exit = true,
 188         .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
 189         .chain_noise_scale = 1000,
 190         .wd_timeout = IWL_DEF_WD_TIMEOUT,
 191         .max_event_log_size = 512,
 192         .shadow_reg_enable = true,
 193         .hd_v2 = true,
 194 };
 195
 196
 197 static const struct iwl_base_params iwl2030_base_params = {
 198         .eeprom_size = OTP_LOW_IMAGE_SIZE,
 199         .num_of_queues = IWLAGN_NUM_QUEUES,
 200         .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
 201         .pll_cfg_val = 0,
 202         .max_ll_items = OTP_MAX_LL_ITEMS_2x00,
 203         .shadow_ram_support = true,
 204         .led_compensation = 57,
 205         .adv_thermal_throttle = true,
 206         .support_ct_kill_exit = true,
 207         .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
 208         .chain_noise_scale = 1000,
 209         .wd_timeout = IWL_LONG_WD_TIMEOUT,
 210         .max_event_log_size = 512,
 211         .shadow_reg_enable = true,
 212         .hd_v2 = true,
 213 };
 214
 215 static const struct iwl_ht_params iwl2000_ht_params = {
 216         .ht_greenfield_support = true,
 217         .use_rts_for_aggregation = true, /* use rts/cts protection */
 218 };
 219
 220 static const struct iwl_bt_params iwl2030_bt_params = {
 221         /* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */
 222         .advanced_bt_coexist = true,
 223         .agg_time_limit = BT_AGG_THRESHOLD_DEF,
 224         .bt_init_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_NONE,
 225         .bt_prio_boost = IWLAGN_BT_PRIO_BOOST_DEFAULT,
 226         .bt_sco_disable = true,
 227         .bt_session_2 = true,
 228 };
 229
 230 #define IWL_DEVICE_2000                                         \
 231         .fw_name_pre = IWL2000_FW_PRE,                          \
 232         .ucode_api_max = IWL2000_UCODE_API_MAX,                 \
 233         .ucode_api_ok = IWL2000_UCODE_API_OK,                   \
 234         .ucode_api_min = IWL2000_UCODE_API_MIN,                 \
 235         .max_inst_size = IWL60_RTC_INST_SIZE,                   \
 236         .max_data_size = IWL60_RTC_DATA_SIZE,                   \
 237         .eeprom_ver = EEPROM_2000_EEPROM_VERSION,               \
 238         .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,       \
 239         .lib = &iwl2000_lib,                                    \
 240         .base_params = &iwl2000_base_params,                    \
 241         .need_temp_offset_calib = true,                         \
 242         .temp_offset_v2 = true,                                 \
 243         .led_mode = IWL_LED_RF_STATE,                           \
 244         .iq_invert = true                                       \
 245
 246 const struct iwl_cfg iwl2000_2bgn_cfg = {
 247         .name = "Intel(R) Centrino(R) Wireless-N 2200 BGN",
 248         IWL_DEVICE_2000,
 249         .ht_params = &iwl2000_ht_params,
 250 };
 251
 252 const struct iwl_cfg iwl2000_2bgn_d_cfg = {
 253         .name = "Intel(R) Centrino(R) Wireless-N 2200D BGN",
 254         IWL_DEVICE_2000,
 255         .ht_params = &iwl2000_ht_params,
 256 };
 257
 258 #define IWL_DEVICE_2030                                         \
 259         .fw_name_pre = IWL2030_FW_PRE,                          \
 260         .ucode_api_max = IWL2030_UCODE_API_MAX,                 \
 261         .ucode_api_ok = IWL2030_UCODE_API_OK,                   \
 262         .ucode_api_min = IWL2030_UCODE_API_MIN,                 \
 263         .max_inst_size = IWL60_RTC_INST_SIZE,                   \
 264         .max_data_size = IWL60_RTC_DATA_SIZE,                   \
 265         .eeprom_ver = EEPROM_2000_EEPROM_VERSION,               \
 266         .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,       \
 267         .lib = &iwl2030_lib,                                    \
 268         .base_params = &iwl2030_base_params,                    \
 269         .bt_params = &iwl2030_bt_params,                        \
 270         .need_temp_offset_calib = true,                         \
 271         .temp_offset_v2 = true,                                 \
 272         .led_mode = IWL_LED_RF_STATE,                           \
 273         .adv_pm = true,                                         \
 274         .iq_invert = true                                       \
 275
 276 const struct iwl_cfg iwl2030_2bgn_cfg = {
 277         .name = "Intel(R) Centrino(R) Wireless-N 2230 BGN",
 278         IWL_DEVICE_2030,
 279         .ht_params = &iwl2000_ht_params,
 280 };
 281
 282 #define IWL_DEVICE_105                                          \
 283         .fw_name_pre = IWL105_FW_PRE,                           \
 284         .ucode_api_max = IWL105_UCODE_API_MAX,                  \
 285         .ucode_api_ok = IWL105_UCODE_API_OK,                    \
 286         .ucode_api_min = IWL105_UCODE_API_MIN,                  \
 287         .max_inst_size = IWL60_RTC_INST_SIZE,                   \
 288         .max_data_size = IWL60_RTC_DATA_SIZE,                   \
 289         .eeprom_ver = EEPROM_2000_EEPROM_VERSION,               \
 290         .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,       \
 291         .lib = &iwl2000_lib,                                    \
 292         .base_params = &iwl2000_base_params,                    \
 293         .need_temp_offset_calib = true,                         \
 294         .temp_offset_v2 = true,                                 \
 295         .led_mode = IWL_LED_RF_STATE,                           \
 296         .adv_pm = true,                                         \
 297         .rx_with_siso_diversity = true,                         \
 298         .iq_invert = true                                       \
 299
 300 const struct iwl_cfg iwl105_bgn_cfg = {
 301         .name = "Intel(R) Centrino(R) Wireless-N 105 BGN",
 302         IWL_DEVICE_105,
 303         .ht_params = &iwl2000_ht_params,
 304 };
 305
 306 const struct iwl_cfg iwl105_bgn_d_cfg = {
 307         .name = "Intel(R) Centrino(R) Wireless-N 105D BGN",
 308         IWL_DEVICE_105,
 309         .ht_params = &iwl2000_ht_params,
 310 };
 311
 312 #define IWL_DEVICE_135                                          \
 313         .fw_name_pre = IWL135_FW_PRE,                           \
 314         .ucode_api_max = IWL135_UCODE_API_MAX,                  \
 315         .ucode_api_ok = IWL135_UCODE_API_OK,                    \
 316         .ucode_api_min = IWL135_UCODE_API_MIN,                  \
 317         .max_inst_size = IWL60_RTC_INST_SIZE,                   \
 318         .max_data_size = IWL60_RTC_DATA_SIZE,                   \
 319         .eeprom_ver = EEPROM_2000_EEPROM_VERSION,               \
 320         .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,       \
 321         .lib = &iwl2030_lib,                                    \
 322         .base_params = &iwl2030_base_params,                    \
 323         .bt_params = &iwl2030_bt_params,                        \
 324         .need_temp_offset_calib = true,                         \
 325         .temp_offset_v2 = true,                                 \
 326         .led_mode = IWL_LED_RF_STATE,                           \
 327         .adv_pm = true,                                         \
 328         .rx_with_siso_diversity = true,                         \
 329         .iq_invert = true                                       \
 330
 331 const struct iwl_cfg iwl135_bgn_cfg = {
 332         .name = "Intel(R) Centrino(R) Wireless-N 135 BGN",
 333         IWL_DEVICE_135,
 334         .ht_params = &iwl2000_ht_params,
 335 };
 336
 337 MODULE_FIRMWARE(IWL2000_MODULE_FIRMWARE(IWL2000_UCODE_API_MAX));
 338 MODULE_FIRMWARE(IWL2030_MODULE_FIRMWARE(IWL2030_UCODE_API_MAX));
 339 MODULE_FIRMWARE(IWL105_MODULE_FIRMWARE(IWL105_UCODE_API_MAX));
 340 MODULE_FIRMWARE(IWL135_MODULE_FIRMWARE(IWL135_UCODE_API_MAX));