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-6000-hw.h"
  46 #include "iwl-shared.h"
  47 #include "iwl-cfg.h"
  48
  49 /* Highest firmware API version supported */
  50 #define IWL2030_UCODE_API_MAX 6
  51 #define IWL2000_UCODE_API_MAX 6
  52 #define IWL105_UCODE_API_MAX 6
  53 #define IWL135_UCODE_API_MAX 6
  54
  55 /* Oldest version we won't warn about */
  56 #define IWL2030_UCODE_API_OK 5
  57 #define IWL2000_UCODE_API_OK 5
  58 #define IWL105_UCODE_API_OK 5
  59 #define IWL135_UCODE_API_OK 5
  60
  61 /* Lowest firmware API version supported */
  62 #define IWL2030_UCODE_API_MIN 5
  63 #define IWL2000_UCODE_API_MIN 5
  64 #define IWL105_UCODE_API_MIN 5
  65 #define IWL135_UCODE_API_MIN 5
  66
  67 #define IWL2030_FW_PRE "iwlwifi-2030-"
  68 #define IWL2030_MODULE_FIRMWARE(api) IWL2030_FW_PRE __stringify(api) ".ucode"
  69
  70 #define IWL2000_FW_PRE "iwlwifi-2000-"
  71 #define IWL2000_MODULE_FIRMWARE(api) IWL2000_FW_PRE __stringify(api) ".ucode"
  72
  73 #define IWL105_FW_PRE "iwlwifi-105-"
  74 #define IWL105_MODULE_FIRMWARE(api) IWL105_FW_PRE __stringify(api) ".ucode"
  75
  76 #define IWL135_FW_PRE "iwlwifi-135-"
  77 #define IWL135_MODULE_FIRMWARE(api) IWL135_FW_PRE __stringify(api) ".ucode"
  78
  79 static void iwl2000_set_ct_threshold(struct iwl_priv *priv)
  80 {
  81         /* want Celsius */
  82         hw_params(priv).ct_kill_threshold = CT_KILL_THRESHOLD;
  83         hw_params(priv).ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
  84 }
  85
  86 /* NIC configuration for 2000 series */
  87 static void iwl2000_nic_config(struct iwl_priv *priv)
  88 {
  89         iwl_rf_config(priv);
  90
  91         if (priv->cfg->iq_invert)
  92                 iwl_set_bit(bus(priv), CSR_GP_DRIVER_REG,
  93                             CSR_GP_DRIVER_REG_BIT_RADIO_IQ_INVER);
  94 }
  95
  96 static struct iwl_sensitivity_ranges iwl2000_sensitivity = {
  97         .min_nrg_cck = 97,
  98         .max_nrg_cck = 0, /* not used, set to 0 */
  99         .auto_corr_min_ofdm = 80,
 100         .auto_corr_min_ofdm_mrc = 128,
 101         .auto_corr_min_ofdm_x1 = 105,
 102         .auto_corr_min_ofdm_mrc_x1 = 192,
 103
 104         .auto_corr_max_ofdm = 145,
 105         .auto_corr_max_ofdm_mrc = 232,
 106         .auto_corr_max_ofdm_x1 = 110,
 107         .auto_corr_max_ofdm_mrc_x1 = 232,
 108
 109         .auto_corr_min_cck = 125,
 110         .auto_corr_max_cck = 175,
 111         .auto_corr_min_cck_mrc = 160,
 112         .auto_corr_max_cck_mrc = 310,
 113         .nrg_th_cck = 97,
 114         .nrg_th_ofdm = 100,
 115
 116         .barker_corr_th_min = 190,
 117         .barker_corr_th_min_mrc = 390,
 118         .nrg_th_cca = 62,
 119 };
 120
 121 static int iwl2000_hw_set_hw_params(struct iwl_priv *priv)
 122 {
 123         if (iwlagn_mod_params.num_of_queues >= IWL_MIN_NUM_QUEUES &&
 124             iwlagn_mod_params.num_of_queues <= IWLAGN_NUM_QUEUES)
 125                 priv->cfg->base_params->num_of_queues =
 126                         iwlagn_mod_params.num_of_queues;
 127
 128         hw_params(priv).max_txq_num = priv->cfg->base_params->num_of_queues;
 129         priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID;
 130
 131         hw_params(priv).max_data_size = IWL60_RTC_DATA_SIZE;
 132         hw_params(priv).max_inst_size = IWL60_RTC_INST_SIZE;
 133
 134         hw_params(priv).ht40_channel =  BIT(IEEE80211_BAND_2GHZ);
 135
 136         hw_params(priv).tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
 137         if (priv->cfg->rx_with_siso_diversity)
 138                 hw_params(priv).rx_chains_num = 1;
 139         else
 140                 hw_params(priv).rx_chains_num =
 141                         num_of_ant(priv->cfg->valid_rx_ant);
 142         hw_params(priv).valid_tx_ant = priv->cfg->valid_tx_ant;
 143         hw_params(priv).valid_rx_ant = priv->cfg->valid_rx_ant;
 144
 145         iwl2000_set_ct_threshold(priv);
 146
 147         /* Set initial sensitivity parameters */
 148         /* Set initial calibration set */
 149         hw_params(priv).sens = &iwl2000_sensitivity;
 150         hw_params(priv).calib_init_cfg =
 151                 BIT(IWL_CALIB_XTAL)             |
 152                 BIT(IWL_CALIB_LO)               |
 153                 BIT(IWL_CALIB_TX_IQ)            |
 154                 BIT(IWL_CALIB_BASE_BAND);
 155         if (priv->cfg->need_dc_calib)
 156                 hw_params(priv).calib_rt_cfg |= IWL_CALIB_CFG_DC_IDX;
 157         if (priv->cfg->need_temp_offset_calib)
 158                 hw_params(priv).calib_init_cfg |= BIT(IWL_CALIB_TEMP_OFFSET);
 159
 160         return 0;
 161 }
 162
 163 static struct iwl_lib_ops iwl2000_lib = {
 164         .set_hw_params = iwl2000_hw_set_hw_params,
 165         .nic_config = iwl2000_nic_config,
 166         .eeprom_ops = {
 167                 .regulatory_bands = {
 168                         EEPROM_REG_BAND_1_CHANNELS,
 169                         EEPROM_REG_BAND_2_CHANNELS,
 170                         EEPROM_REG_BAND_3_CHANNELS,
 171                         EEPROM_REG_BAND_4_CHANNELS,
 172                         EEPROM_REG_BAND_5_CHANNELS,
 173                         EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
 174                         EEPROM_REGULATORY_BAND_NO_HT40,
 175                 },
 176                 .update_enhanced_txpower = iwl_eeprom_enhanced_txpower,
 177         },
 178         .temperature = iwlagn_temperature,
 179 };
 180
 181 static struct iwl_lib_ops iwl2030_lib = {
 182         .set_hw_params = iwl2000_hw_set_hw_params,
 183         .bt_rx_handler_setup = iwlagn_bt_rx_handler_setup,
 184         .bt_setup_deferred_work = iwlagn_bt_setup_deferred_work,
 185         .cancel_deferred_work = iwlagn_bt_cancel_deferred_work,
 186         .nic_config = iwl2000_nic_config,
 187         .eeprom_ops = {
 188                 .regulatory_bands = {
 189                         EEPROM_REG_BAND_1_CHANNELS,
 190                         EEPROM_REG_BAND_2_CHANNELS,
 191                         EEPROM_REG_BAND_3_CHANNELS,
 192                         EEPROM_REG_BAND_4_CHANNELS,
 193                         EEPROM_REG_BAND_5_CHANNELS,
 194                         EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
 195                         EEPROM_REGULATORY_BAND_NO_HT40,
 196                 },
 197                 .update_enhanced_txpower = iwl_eeprom_enhanced_txpower,
 198         },
 199         .temperature = iwlagn_temperature,
 200 };
 201
 202 static struct iwl_base_params iwl2000_base_params = {
 203         .eeprom_size = OTP_LOW_IMAGE_SIZE,
 204         .num_of_queues = IWLAGN_NUM_QUEUES,
 205         .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
 206         .pll_cfg_val = 0,
 207         .max_ll_items = OTP_MAX_LL_ITEMS_2x00,
 208         .shadow_ram_support = true,
 209         .led_compensation = 51,
 210         .adv_thermal_throttle = true,
 211         .support_ct_kill_exit = true,
 212         .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
 213         .chain_noise_scale = 1000,
 214         .wd_timeout = IWL_DEF_WD_TIMEOUT,
 215         .max_event_log_size = 512,
 216         .shadow_reg_enable = true,
 217         .hd_v2 = true,
 218 };
 219
 220
 221 static struct iwl_base_params iwl2030_base_params = {
 222         .eeprom_size = OTP_LOW_IMAGE_SIZE,
 223         .num_of_queues = IWLAGN_NUM_QUEUES,
 224         .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
 225         .pll_cfg_val = 0,
 226         .max_ll_items = OTP_MAX_LL_ITEMS_2x00,
 227         .shadow_ram_support = true,
 228         .led_compensation = 57,
 229         .adv_thermal_throttle = true,
 230         .support_ct_kill_exit = true,
 231         .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
 232         .chain_noise_scale = 1000,
 233         .wd_timeout = IWL_LONG_WD_TIMEOUT,
 234         .max_event_log_size = 512,
 235         .shadow_reg_enable = true,
 236         .hd_v2 = true,
 237 };
 238
 239 static struct iwl_ht_params iwl2000_ht_params = {
 240         .ht_greenfield_support = true,
 241         .use_rts_for_aggregation = true, /* use rts/cts protection */
 242 };
 243
 244 static struct iwl_bt_params iwl2030_bt_params = {
 245         /* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */
 246         .advanced_bt_coexist = true,
 247         .agg_time_limit = BT_AGG_THRESHOLD_DEF,
 248         .bt_init_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_NONE,
 249         .bt_prio_boost = IWLAGN_BT_PRIO_BOOST_DEFAULT,
 250         .bt_sco_disable = true,
 251         .bt_session_2 = true,
 252 };
 253
 254 #define IWL_DEVICE_2000                                         \
 255         .fw_name_pre = IWL2000_FW_PRE,                          \
 256         .ucode_api_max = IWL2000_UCODE_API_MAX,                 \
 257         .ucode_api_ok = IWL2000_UCODE_API_OK,                   \
 258         .ucode_api_min = IWL2000_UCODE_API_MIN,                 \
 259         .eeprom_ver = EEPROM_2000_EEPROM_VERSION,               \
 260         .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,       \
 261         .lib = &iwl2000_lib,                                    \
 262         .base_params = &iwl2000_base_params,                    \
 263         .need_dc_calib = true,                                  \
 264         .need_temp_offset_calib = true,                         \
 265         .temp_offset_v2 = true,                                 \
 266         .led_mode = IWL_LED_RF_STATE,                           \
 267         .iq_invert = true                                       \
 268
 269 struct iwl_cfg iwl2000_2bgn_cfg = {
 270         .name = "2000 Series 2x2 BGN",
 271         IWL_DEVICE_2000,
 272         .ht_params = &iwl2000_ht_params,
 273 };
 274
 275 struct iwl_cfg iwl2000_2bg_cfg = {
 276         .name = "2000 Series 2x2 BG",
 277         IWL_DEVICE_2000,
 278 };
 279
 280 struct iwl_cfg iwl2000_2bgn_d_cfg = {
 281         .name = "2000D Series 2x2 BGN",
 282         IWL_DEVICE_2000,
 283         .ht_params = &iwl2000_ht_params,
 284 };
 285
 286 #define IWL_DEVICE_2030                                         \
 287         .fw_name_pre = IWL2030_FW_PRE,                          \
 288         .ucode_api_max = IWL2030_UCODE_API_MAX,                 \
 289         .ucode_api_ok = IWL2030_UCODE_API_OK,                   \
 290         .ucode_api_min = IWL2030_UCODE_API_MIN,                 \
 291         .eeprom_ver = EEPROM_2000_EEPROM_VERSION,               \
 292         .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,       \
 293         .lib = &iwl2030_lib,                                    \
 294         .base_params = &iwl2030_base_params,                    \
 295         .bt_params = &iwl2030_bt_params,                        \
 296         .need_dc_calib = true,                                  \
 297         .need_temp_offset_calib = true,                         \
 298         .temp_offset_v2 = true,                                 \
 299         .led_mode = IWL_LED_RF_STATE,                           \
 300         .adv_pm = true,                                         \
 301         .iq_invert = true                                       \
 302
 303 struct iwl_cfg iwl2030_2bgn_cfg = {
 304         .name = "2000 Series 2x2 BGN/BT",
 305         IWL_DEVICE_2030,
 306         .ht_params = &iwl2000_ht_params,
 307 };
 308
 309 struct iwl_cfg iwl2030_2bg_cfg = {
 310         .name = "2000 Series 2x2 BG/BT",
 311         IWL_DEVICE_2030,
 312 };
 313
 314 #define IWL_DEVICE_105                                          \
 315         .fw_name_pre = IWL105_FW_PRE,                           \
 316         .ucode_api_max = IWL105_UCODE_API_MAX,                  \
 317         .ucode_api_ok = IWL105_UCODE_API_OK,                    \
 318         .ucode_api_min = IWL105_UCODE_API_MIN,                  \
 319         .eeprom_ver = EEPROM_2000_EEPROM_VERSION,               \
 320         .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,       \
 321         .lib = &iwl2000_lib,                                    \
 322         .base_params = &iwl2000_base_params,                    \
 323         .need_dc_calib = true,                                  \
 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 struct iwl_cfg iwl105_bg_cfg = {
 332         .name = "105 Series 1x1 BG",
 333         IWL_DEVICE_105,
 334 };
 335
 336 struct iwl_cfg iwl105_bgn_cfg = {
 337         .name = "105 Series 1x1 BGN",
 338         IWL_DEVICE_105,
 339         .ht_params = &iwl2000_ht_params,
 340 };
 341
 342 struct iwl_cfg iwl105_bgn_d_cfg = {
 343         .name = "105D Series 1x1 BGN",
 344         IWL_DEVICE_105,
 345         .ht_params = &iwl2000_ht_params,
 346 };
 347
 348 #define IWL_DEVICE_135                                          \
 349         .fw_name_pre = IWL135_FW_PRE,                           \
 350         .ucode_api_max = IWL135_UCODE_API_MAX,                  \
 351         .ucode_api_ok = IWL135_UCODE_API_OK,                    \
 352         .ucode_api_min = IWL135_UCODE_API_MIN,                  \
 353         .eeprom_ver = EEPROM_2000_EEPROM_VERSION,               \
 354         .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,       \
 355         .lib = &iwl2030_lib,                                    \
 356         .base_params = &iwl2030_base_params,                    \
 357         .bt_params = &iwl2030_bt_params,                        \
 358         .need_dc_calib = true,                                  \
 359         .need_temp_offset_calib = true,                         \
 360         .temp_offset_v2 = true,                                 \
 361         .led_mode = IWL_LED_RF_STATE,                           \
 362         .adv_pm = true,                                         \
 363         .rx_with_siso_diversity = true,                         \
 364         .iq_invert = true                                       \
 365
 366 struct iwl_cfg iwl135_bg_cfg = {
 367         .name = "135 Series 1x1 BG/BT",
 368         IWL_DEVICE_135,
 369 };
 370
 371 struct iwl_cfg iwl135_bgn_cfg = {
 372         .name = "135 Series 1x1 BGN/BT",
 373         IWL_DEVICE_135,
 374         .ht_params = &iwl2000_ht_params,
 375 };
 376
 377 MODULE_FIRMWARE(IWL2000_MODULE_FIRMWARE(IWL2000_UCODE_API_MAX));
 378 MODULE_FIRMWARE(IWL2030_MODULE_FIRMWARE(IWL2030_UCODE_API_MAX));
 379 MODULE_FIRMWARE(IWL105_MODULE_FIRMWARE(IWL105_UCODE_API_MAX));
 380 MODULE_FIRMWARE(IWL135_MODULE_FIRMWARE(IWL135_UCODE_API_MAX));