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

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2008 - 2011 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-helpers.h"
  44 #include "iwl-agn-hw.h"
  45 #include "iwl-shared.h"
  46 #include "iwl-cfg.h"
  47
  48 /* Highest firmware API version supported */
  49 #define IWL2030_UCODE_API_MAX 6
  50 #define IWL2000_UCODE_API_MAX 6
  51 #define IWL105_UCODE_API_MAX 6
  52 #define IWL135_UCODE_API_MAX 6
  53
  54 /* Oldest version we won't warn about */
  55 #define IWL2030_UCODE_API_OK 5
  56 #define IWL2000_UCODE_API_OK 5
  57 #define IWL105_UCODE_API_OK 5
  58 #define IWL135_UCODE_API_OK 5
  59
  60 /* Lowest firmware API version supported */
  61 #define IWL2030_UCODE_API_MIN 5
  62 #define IWL2000_UCODE_API_MIN 5
  63 #define IWL105_UCODE_API_MIN 5
  64 #define IWL135_UCODE_API_MIN 5
  65
  66 #define IWL2030_FW_PRE "iwlwifi-2030-"
  67 #define IWL2030_MODULE_FIRMWARE(api) IWL2030_FW_PRE __stringify(api) ".ucode"
  68
  69 #define IWL2000_FW_PRE "iwlwifi-2000-"
  70 #define IWL2000_MODULE_FIRMWARE(api) IWL2000_FW_PRE __stringify(api) ".ucode"
  71
  72 #define IWL105_FW_PRE "iwlwifi-105-"
  73 #define IWL105_MODULE_FIRMWARE(api) IWL105_FW_PRE __stringify(api) ".ucode"
  74
  75 #define IWL135_FW_PRE "iwlwifi-135-"
  76 #define IWL135_MODULE_FIRMWARE(api) IWL135_FW_PRE __stringify(api) ".ucode"
  77
  78 static void iwl2000_set_ct_threshold(struct iwl_priv *priv)
  79 {
  80         /* want Celsius */
  81         hw_params(priv).ct_kill_threshold = CT_KILL_THRESHOLD;
  82         hw_params(priv).ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
  83 }
  84
  85 /* NIC configuration for 2000 series */
  86 static void iwl2000_nic_config(struct iwl_priv *priv)
  87 {
  88         iwl_rf_config(priv);
  89
  90         if (priv->cfg->iq_invert)
  91                 iwl_set_bit(bus(priv), CSR_GP_DRIVER_REG,
  92                             CSR_GP_DRIVER_REG_BIT_RADIO_IQ_INVER);
  93 }
  94
  95 static struct iwl_sensitivity_ranges iwl2000_sensitivity = {
  96         .min_nrg_cck = 97,
  97         .max_nrg_cck = 0, /* not used, set to 0 */
  98         .auto_corr_min_ofdm = 80,
  99         .auto_corr_min_ofdm_mrc = 128,
 100         .auto_corr_min_ofdm_x1 = 105,
 101         .auto_corr_min_ofdm_mrc_x1 = 192,
 102
 103         .auto_corr_max_ofdm = 145,
 104         .auto_corr_max_ofdm_mrc = 232,
 105         .auto_corr_max_ofdm_x1 = 110,
 106         .auto_corr_max_ofdm_mrc_x1 = 232,
 107
 108         .auto_corr_min_cck = 125,
 109         .auto_corr_max_cck = 175,
 110         .auto_corr_min_cck_mrc = 160,
 111         .auto_corr_max_cck_mrc = 310,
 112         .nrg_th_cck = 97,
 113         .nrg_th_ofdm = 100,
 114
 115         .barker_corr_th_min = 190,
 116         .barker_corr_th_min_mrc = 390,
 117         .nrg_th_cca = 62,
 118 };
 119
 120 static int iwl2000_hw_set_hw_params(struct iwl_priv *priv)
 121 {
 122         if (iwlagn_mod_params.num_of_queues >= IWL_MIN_NUM_QUEUES &&
 123             iwlagn_mod_params.num_of_queues <= IWLAGN_NUM_QUEUES)
 124                 priv->cfg->base_params->num_of_queues =
 125                         iwlagn_mod_params.num_of_queues;
 126
 127         hw_params(priv).max_txq_num = priv->cfg->base_params->num_of_queues;
 128         priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID;
 129
 130         hw_params(priv).max_data_size = IWL60_RTC_DATA_SIZE;
 131         hw_params(priv).max_inst_size = IWL60_RTC_INST_SIZE;
 132
 133         hw_params(priv).ht40_channel =  BIT(IEEE80211_BAND_2GHZ);
 134
 135         hw_params(priv).tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
 136         if (priv->cfg->rx_with_siso_diversity)
 137                 hw_params(priv).rx_chains_num = 1;
 138         else
 139                 hw_params(priv).rx_chains_num =
 140                         num_of_ant(priv->cfg->valid_rx_ant);
 141         hw_params(priv).valid_tx_ant = priv->cfg->valid_tx_ant;
 142         hw_params(priv).valid_rx_ant = priv->cfg->valid_rx_ant;
 143
 144         iwl2000_set_ct_threshold(priv);
 145
 146         /* Set initial sensitivity parameters */
 147         /* Set initial calibration set */
 148         hw_params(priv).sens = &iwl2000_sensitivity;
 149         hw_params(priv).calib_init_cfg =
 150                 BIT(IWL_CALIB_XTAL)             |
 151                 BIT(IWL_CALIB_LO)               |
 152                 BIT(IWL_CALIB_TX_IQ)            |
 153                 BIT(IWL_CALIB_BASE_BAND);
 154         if (priv->cfg->need_dc_calib)
 155                 hw_params(priv).calib_rt_cfg |= IWL_CALIB_CFG_DC_IDX;
 156         if (priv->cfg->need_temp_offset_calib)
 157                 hw_params(priv).calib_init_cfg |= BIT(IWL_CALIB_TEMP_OFFSET);
 158
 159         return 0;
 160 }
 161
 162 static struct iwl_lib_ops iwl2000_lib = {
 163         .set_hw_params = iwl2000_hw_set_hw_params,
 164         .nic_config = iwl2000_nic_config,
 165         .eeprom_ops = {
 166                 .regulatory_bands = {
 167                         EEPROM_REG_BAND_1_CHANNELS,
 168                         EEPROM_REG_BAND_2_CHANNELS,
 169                         EEPROM_REG_BAND_3_CHANNELS,
 170                         EEPROM_REG_BAND_4_CHANNELS,
 171                         EEPROM_REG_BAND_5_CHANNELS,
 172                         EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
 173                         EEPROM_REGULATORY_BAND_NO_HT40,
 174                 },
 175                 .update_enhanced_txpower = iwl_eeprom_enhanced_txpower,
 176         },
 177         .temperature = iwlagn_temperature,
 178 };
 179
 180 static struct iwl_lib_ops iwl2030_lib = {
 181         .set_hw_params = iwl2000_hw_set_hw_params,
 182         .bt_rx_handler_setup = iwlagn_bt_rx_handler_setup,
 183         .bt_setup_deferred_work = iwlagn_bt_setup_deferred_work,
 184         .cancel_deferred_work = iwlagn_bt_cancel_deferred_work,
 185         .nic_config = iwl2000_nic_config,
 186         .eeprom_ops = {
 187                 .regulatory_bands = {
 188                         EEPROM_REG_BAND_1_CHANNELS,
 189                         EEPROM_REG_BAND_2_CHANNELS,
 190                         EEPROM_REG_BAND_3_CHANNELS,
 191                         EEPROM_REG_BAND_4_CHANNELS,
 192                         EEPROM_REG_BAND_5_CHANNELS,
 193                         EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
 194                         EEPROM_REGULATORY_BAND_NO_HT40,
 195                 },
 196                 .update_enhanced_txpower = iwl_eeprom_enhanced_txpower,
 197         },
 198         .temperature = iwlagn_temperature,
 199 };
 200
 201 static struct iwl_base_params iwl2000_base_params = {
 202         .eeprom_size = OTP_LOW_IMAGE_SIZE,
 203         .num_of_queues = IWLAGN_NUM_QUEUES,
 204         .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
 205         .pll_cfg_val = 0,
 206         .max_ll_items = OTP_MAX_LL_ITEMS_2x00,
 207         .shadow_ram_support = true,
 208         .led_compensation = 51,
 209         .adv_thermal_throttle = true,
 210         .support_ct_kill_exit = true,
 211         .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
 212         .chain_noise_scale = 1000,
 213         .wd_timeout = IWL_DEF_WD_TIMEOUT,
 214         .max_event_log_size = 512,
 215         .shadow_reg_enable = true,
 216         .hd_v2 = true,
 217 };
 218
 219
 220 static struct iwl_base_params iwl2030_base_params = {
 221         .eeprom_size = OTP_LOW_IMAGE_SIZE,
 222         .num_of_queues = IWLAGN_NUM_QUEUES,
 223         .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
 224         .pll_cfg_val = 0,
 225         .max_ll_items = OTP_MAX_LL_ITEMS_2x00,
 226         .shadow_ram_support = true,
 227         .led_compensation = 57,
 228         .adv_thermal_throttle = true,
 229         .support_ct_kill_exit = true,
 230         .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
 231         .chain_noise_scale = 1000,
 232         .wd_timeout = IWL_LONG_WD_TIMEOUT,
 233         .max_event_log_size = 512,
 234         .shadow_reg_enable = true,
 235         .hd_v2 = true,
 236 };
 237
 238 static struct iwl_ht_params iwl2000_ht_params = {
 239         .ht_greenfield_support = true,
 240         .use_rts_for_aggregation = true, /* use rts/cts protection */
 241 };
 242
 243 static struct iwl_bt_params iwl2030_bt_params = {
 244         /* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */
 245         .advanced_bt_coexist = true,
 246         .agg_time_limit = BT_AGG_THRESHOLD_DEF,
 247         .bt_init_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_NONE,
 248         .bt_prio_boost = IWLAGN_BT_PRIO_BOOST_DEFAULT,
 249         .bt_sco_disable = true,
 250         .bt_session_2 = true,
 251 };
 252
 253 #define IWL_DEVICE_2000                                         \
 254         .fw_name_pre = IWL2000_FW_PRE,                          \
 255         .ucode_api_max = IWL2000_UCODE_API_MAX,                 \
 256         .ucode_api_ok = IWL2000_UCODE_API_OK,                   \
 257         .ucode_api_min = IWL2000_UCODE_API_MIN,                 \
 258         .eeprom_ver = EEPROM_2000_EEPROM_VERSION,               \
 259         .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,       \
 260         .lib = &iwl2000_lib,                                    \
 261         .base_params = &iwl2000_base_params,                    \
 262         .need_dc_calib = true,                                  \
 263         .need_temp_offset_calib = true,                         \
 264         .temp_offset_v2 = true,                                 \
 265         .led_mode = IWL_LED_RF_STATE,                           \
 266         .iq_invert = true                                       \
 267
 268 struct iwl_cfg iwl2000_2bgn_cfg = {
 269         .name = "2000 Series 2x2 BGN",
 270         IWL_DEVICE_2000,
 271         .ht_params = &iwl2000_ht_params,
 272 };
 273
 274 struct iwl_cfg iwl2000_2bg_cfg = {
 275         .name = "2000 Series 2x2 BG",
 276         IWL_DEVICE_2000,
 277 };
 278
 279 struct iwl_cfg iwl2000_2bgn_d_cfg = {
 280         .name = "2000D Series 2x2 BGN",
 281         IWL_DEVICE_2000,
 282         .ht_params = &iwl2000_ht_params,
 283 };
 284
 285 #define IWL_DEVICE_2030                                         \
 286         .fw_name_pre = IWL2030_FW_PRE,                          \
 287         .ucode_api_max = IWL2030_UCODE_API_MAX,                 \
 288         .ucode_api_ok = IWL2030_UCODE_API_OK,                   \
 289         .ucode_api_min = IWL2030_UCODE_API_MIN,                 \
 290         .eeprom_ver = EEPROM_2000_EEPROM_VERSION,               \
 291         .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,       \
 292         .lib = &iwl2030_lib,                                    \
 293         .base_params = &iwl2030_base_params,                    \
 294         .bt_params = &iwl2030_bt_params,                        \
 295         .need_dc_calib = true,                                  \
 296         .need_temp_offset_calib = true,                         \
 297         .temp_offset_v2 = true,                                 \
 298         .led_mode = IWL_LED_RF_STATE,                           \
 299         .adv_pm = true,                                         \
 300         .iq_invert = true                                       \
 301
 302 struct iwl_cfg iwl2030_2bgn_cfg = {
 303         .name = "2000 Series 2x2 BGN/BT",
 304         IWL_DEVICE_2030,
 305         .ht_params = &iwl2000_ht_params,
 306 };
 307
 308 struct iwl_cfg iwl2030_2bg_cfg = {
 309         .name = "2000 Series 2x2 BG/BT",
 310         IWL_DEVICE_2030,
 311 };
 312
 313 #define IWL_DEVICE_105                                          \
 314         .fw_name_pre = IWL105_FW_PRE,                           \
 315         .ucode_api_max = IWL105_UCODE_API_MAX,                  \
 316         .ucode_api_ok = IWL105_UCODE_API_OK,                    \
 317         .ucode_api_min = IWL105_UCODE_API_MIN,                  \
 318         .eeprom_ver = EEPROM_2000_EEPROM_VERSION,               \
 319         .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,       \
 320         .lib = &iwl2000_lib,                                    \
 321         .base_params = &iwl2000_base_params,                    \
 322         .need_dc_calib = true,                                  \
 323         .need_temp_offset_calib = true,                         \
 324         .temp_offset_v2 = true,                                 \
 325         .led_mode = IWL_LED_RF_STATE,                           \
 326         .adv_pm = true,                                         \
 327         .rx_with_siso_diversity = true,                         \
 328         .iq_invert = true                                       \
 329
 330 struct iwl_cfg iwl105_bg_cfg = {
 331         .name = "105 Series 1x1 BG",
 332         IWL_DEVICE_105,
 333 };
 334
 335 struct iwl_cfg iwl105_bgn_cfg = {
 336         .name = "105 Series 1x1 BGN",
 337         IWL_DEVICE_105,
 338         .ht_params = &iwl2000_ht_params,
 339 };
 340
 341 struct iwl_cfg iwl105_bgn_d_cfg = {
 342         .name = "105D Series 1x1 BGN",
 343         IWL_DEVICE_105,
 344         .ht_params = &iwl2000_ht_params,
 345 };
 346
 347 #define IWL_DEVICE_135                                          \
 348         .fw_name_pre = IWL135_FW_PRE,                           \
 349         .ucode_api_max = IWL135_UCODE_API_MAX,                  \
 350         .ucode_api_ok = IWL135_UCODE_API_OK,                    \
 351         .ucode_api_min = IWL135_UCODE_API_MIN,                  \
 352         .eeprom_ver = EEPROM_2000_EEPROM_VERSION,               \
 353         .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,       \
 354         .lib = &iwl2030_lib,                                    \
 355         .base_params = &iwl2030_base_params,                    \
 356         .bt_params = &iwl2030_bt_params,                        \
 357         .need_dc_calib = true,                                  \
 358         .need_temp_offset_calib = true,                         \
 359         .temp_offset_v2 = true,                                 \
 360         .led_mode = IWL_LED_RF_STATE,                           \
 361         .adv_pm = true,                                         \
 362         .rx_with_siso_diversity = true,                         \
 363         .iq_invert = true                                       \
 364
 365 struct iwl_cfg iwl135_bg_cfg = {
 366         .name = "135 Series 1x1 BG/BT",
 367         IWL_DEVICE_135,
 368 };
 369
 370 struct iwl_cfg iwl135_bgn_cfg = {
 371         .name = "135 Series 1x1 BGN/BT",
 372         IWL_DEVICE_135,
 373         .ht_params = &iwl2000_ht_params,
 374 };
 375
 376 MODULE_FIRMWARE(IWL2000_MODULE_FIRMWARE(IWL2000_UCODE_API_MAX));
 377 MODULE_FIRMWARE(IWL2030_MODULE_FIRMWARE(IWL2030_UCODE_API_MAX));
 378 MODULE_FIRMWARE(IWL105_MODULE_FIRMWARE(IWL105_UCODE_API_MAX));
 379 MODULE_FIRMWARE(IWL135_MODULE_FIRMWARE(IWL135_UCODE_API_MAX));