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-sta.h"
  43 #include "iwl-agn.h"
  44 #include "iwl-helpers.h"
  45 #include "iwl-agn-hw.h"
  46 #include "iwl-6000-hw.h"
  47 #include "iwl-shared.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 #api ".ucode"
  78
  79 static void iwl2000_set_ct_threshold(struct iwl_priv *priv)
  80 {
  81         /* want Celsius */
  82         priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD;
  83         priv->hw_params.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(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         priv->hw_params.max_txq_num = priv->cfg->base_params->num_of_queues;
 129         priv->hw_params.scd_bc_tbls_size =
 130                 priv->cfg->base_params->num_of_queues *
 131                 sizeof(struct iwlagn_scd_bc_tbl);
 132         priv->hw_params.tfd_size = sizeof(struct iwl_tfd);
 133         priv->hw_params.max_stations = IWLAGN_STATION_COUNT;
 134         priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID;
 135
 136         priv->hw_params.max_data_size = IWL60_RTC_DATA_SIZE;
 137         priv->hw_params.max_inst_size = IWL60_RTC_INST_SIZE;
 138
 139         priv->hw_params.ht40_channel =  BIT(IEEE80211_BAND_2GHZ);
 140
 141         priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
 142         if (priv->cfg->rx_with_siso_diversity)
 143                 priv->hw_params.rx_chains_num = 1;
 144         else
 145                 priv->hw_params.rx_chains_num =
 146                         num_of_ant(priv->cfg->valid_rx_ant);
 147         priv->hw_params.valid_tx_ant = priv->cfg->valid_tx_ant;
 148         priv->hw_params.valid_rx_ant = priv->cfg->valid_rx_ant;
 149
 150         iwl2000_set_ct_threshold(priv);
 151
 152         /* Set initial sensitivity parameters */
 153         /* Set initial calibration set */
 154         priv->hw_params.sens = &iwl2000_sensitivity;
 155         priv->hw_params.calib_init_cfg =
 156                 BIT(IWL_CALIB_XTAL)             |
 157                 BIT(IWL_CALIB_LO)               |
 158                 BIT(IWL_CALIB_TX_IQ)            |
 159                 BIT(IWL_CALIB_BASE_BAND);
 160         if (priv->cfg->need_dc_calib)
 161                 priv->hw_params.calib_rt_cfg |= IWL_CALIB_CFG_DC_IDX;
 162         if (priv->cfg->need_temp_offset_calib)
 163                 priv->hw_params.calib_init_cfg |= BIT(IWL_CALIB_TEMP_OFFSET);
 164
 165         priv->hw_params.beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS;
 166
 167         return 0;
 168 }
 169
 170 static struct iwl_lib_ops iwl2000_lib = {
 171         .set_hw_params = iwl2000_hw_set_hw_params,
 172         .nic_config = iwl2000_nic_config,
 173         .eeprom_ops = {
 174                 .regulatory_bands = {
 175                         EEPROM_REG_BAND_1_CHANNELS,
 176                         EEPROM_REG_BAND_2_CHANNELS,
 177                         EEPROM_REG_BAND_3_CHANNELS,
 178                         EEPROM_REG_BAND_4_CHANNELS,
 179                         EEPROM_REG_BAND_5_CHANNELS,
 180                         EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
 181                         EEPROM_REGULATORY_BAND_NO_HT40,
 182                 },
 183                 .update_enhanced_txpower = iwl_eeprom_enhanced_txpower,
 184         },
 185         .temperature = iwlagn_temperature,
 186 };
 187
 188 static struct iwl_lib_ops iwl2030_lib = {
 189         .set_hw_params = iwl2000_hw_set_hw_params,
 190         .bt_rx_handler_setup = iwlagn_bt_rx_handler_setup,
 191         .bt_setup_deferred_work = iwlagn_bt_setup_deferred_work,
 192         .cancel_deferred_work = iwlagn_bt_cancel_deferred_work,
 193         .nic_config = iwl2000_nic_config,
 194         .eeprom_ops = {
 195                 .regulatory_bands = {
 196                         EEPROM_REG_BAND_1_CHANNELS,
 197                         EEPROM_REG_BAND_2_CHANNELS,
 198                         EEPROM_REG_BAND_3_CHANNELS,
 199                         EEPROM_REG_BAND_4_CHANNELS,
 200                         EEPROM_REG_BAND_5_CHANNELS,
 201                         EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
 202                         EEPROM_REGULATORY_BAND_NO_HT40,
 203                 },
 204                 .update_enhanced_txpower = iwl_eeprom_enhanced_txpower,
 205         },
 206         .temperature = iwlagn_temperature,
 207 };
 208
 209 static struct iwl_base_params iwl2000_base_params = {
 210         .eeprom_size = OTP_LOW_IMAGE_SIZE,
 211         .num_of_queues = IWLAGN_NUM_QUEUES,
 212         .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
 213         .pll_cfg_val = 0,
 214         .max_ll_items = OTP_MAX_LL_ITEMS_2x00,
 215         .shadow_ram_support = true,
 216         .led_compensation = 51,
 217         .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 218         .adv_thermal_throttle = true,
 219         .support_ct_kill_exit = true,
 220         .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
 221         .chain_noise_scale = 1000,
 222         .wd_timeout = IWL_DEF_WD_TIMEOUT,
 223         .max_event_log_size = 512,
 224         .shadow_reg_enable = true,
 225         .hd_v2 = true,
 226 };
 227
 228
 229 static struct iwl_base_params iwl2030_base_params = {
 230         .eeprom_size = OTP_LOW_IMAGE_SIZE,
 231         .num_of_queues = IWLAGN_NUM_QUEUES,
 232         .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
 233         .pll_cfg_val = 0,
 234         .max_ll_items = OTP_MAX_LL_ITEMS_2x00,
 235         .shadow_ram_support = true,
 236         .led_compensation = 57,
 237         .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 238         .adv_thermal_throttle = true,
 239         .support_ct_kill_exit = true,
 240         .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
 241         .chain_noise_scale = 1000,
 242         .wd_timeout = IWL_LONG_WD_TIMEOUT,
 243         .max_event_log_size = 512,
 244         .shadow_reg_enable = true,
 245         .hd_v2 = true,
 246 };
 247
 248 static struct iwl_ht_params iwl2000_ht_params = {
 249         .ht_greenfield_support = true,
 250         .use_rts_for_aggregation = true, /* use rts/cts protection */
 251 };
 252
 253 static struct iwl_bt_params iwl2030_bt_params = {
 254         /* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */
 255         .advanced_bt_coexist = true,
 256         .agg_time_limit = BT_AGG_THRESHOLD_DEF,
 257         .bt_init_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_NONE,
 258         .bt_prio_boost = IWLAGN_BT_PRIO_BOOST_DEFAULT,
 259         .bt_sco_disable = true,
 260         .bt_session_2 = true,
 261 };
 262
 263 #define IWL_DEVICE_2000                                         \
 264         .fw_name_pre = IWL2000_FW_PRE,                          \
 265         .ucode_api_max = IWL2000_UCODE_API_MAX,                 \
 266         .ucode_api_ok = IWL2000_UCODE_API_OK,                   \
 267         .ucode_api_min = IWL2000_UCODE_API_MIN,                 \
 268         .eeprom_ver = EEPROM_2000_EEPROM_VERSION,               \
 269         .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,       \
 270         .lib = &iwl2000_lib,                                    \
 271         .base_params = &iwl2000_base_params,                    \
 272         .need_dc_calib = true,                                  \
 273         .need_temp_offset_calib = true,                         \
 274         .led_mode = IWL_LED_RF_STATE,                           \
 275         .iq_invert = true                                       \
 276
 277 struct iwl_cfg iwl2000_2bgn_cfg = {
 278         .name = "2000 Series 2x2 BGN",
 279         IWL_DEVICE_2000,
 280         .ht_params = &iwl2000_ht_params,
 281 };
 282
 283 struct iwl_cfg iwl2000_2bg_cfg = {
 284         .name = "2000 Series 2x2 BG",
 285         IWL_DEVICE_2000,
 286 };
 287
 288 #define IWL_DEVICE_2030                                         \
 289         .fw_name_pre = IWL2030_FW_PRE,                          \
 290         .ucode_api_max = IWL2030_UCODE_API_MAX,                 \
 291         .ucode_api_ok = IWL2030_UCODE_API_OK,                   \
 292         .ucode_api_min = IWL2030_UCODE_API_MIN,                 \
 293         .eeprom_ver = EEPROM_2000_EEPROM_VERSION,               \
 294         .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,       \
 295         .lib = &iwl2030_lib,                                    \
 296         .base_params = &iwl2030_base_params,                    \
 297         .bt_params = &iwl2030_bt_params,                        \
 298         .need_dc_calib = true,                                  \
 299         .need_temp_offset_calib = true,                         \
 300         .led_mode = IWL_LED_RF_STATE,                           \
 301         .adv_pm = true,                                         \
 302         .iq_invert = true                                       \
 303
 304 struct iwl_cfg iwl2030_2bgn_cfg = {
 305         .name = "2000 Series 2x2 BGN/BT",
 306         IWL_DEVICE_2030,
 307         .ht_params = &iwl2000_ht_params,
 308 };
 309
 310 struct iwl_cfg iwl2030_2bg_cfg = {
 311         .name = "2000 Series 2x2 BG/BT",
 312         IWL_DEVICE_2030,
 313 };
 314
 315 #define IWL_DEVICE_105                                          \
 316         .fw_name_pre = IWL105_FW_PRE,                           \
 317         .ucode_api_max = IWL105_UCODE_API_MAX,                  \
 318         .ucode_api_ok = IWL105_UCODE_API_OK,                    \
 319         .ucode_api_min = IWL105_UCODE_API_MIN,                  \
 320         .eeprom_ver = EEPROM_2000_EEPROM_VERSION,               \
 321         .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,       \
 322         .lib = &iwl2000_lib,                                    \
 323         .base_params = &iwl2000_base_params,                    \
 324         .need_dc_calib = true,                                  \
 325         .need_temp_offset_calib = 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 #define IWL_DEVICE_135                                          \
 343         .fw_name_pre = IWL135_FW_PRE,                           \
 344         .ucode_api_max = IWL135_UCODE_API_MAX,                  \
 345         .ucode_api_ok = IWL135_UCODE_API_OK,                    \
 346         .ucode_api_min = IWL135_UCODE_API_MIN,                  \
 347         .eeprom_ver = EEPROM_2000_EEPROM_VERSION,               \
 348         .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,       \
 349         .lib = &iwl2030_lib,                                    \
 350         .base_params = &iwl2030_base_params,                    \
 351         .bt_params = &iwl2030_bt_params,                        \
 352         .need_dc_calib = true,                                  \
 353         .need_temp_offset_calib = true,                         \
 354         .led_mode = IWL_LED_RF_STATE,                           \
 355         .adv_pm = true,                                         \
 356         .rx_with_siso_diversity = true,                         \
 357         .iq_invert = true                                       \
 358
 359 struct iwl_cfg iwl135_bg_cfg = {
 360         .name = "135 Series 1x1 BG/BT",
 361         IWL_DEVICE_135,
 362 };
 363
 364 struct iwl_cfg iwl135_bgn_cfg = {
 365         .name = "135 Series 1x1 BGN/BT",
 366         IWL_DEVICE_135,
 367         .ht_params = &iwl2000_ht_params,
 368 };
 369
 370 MODULE_FIRMWARE(IWL2000_MODULE_FIRMWARE(IWL2000_UCODE_API_MAX));
 371 MODULE_FIRMWARE(IWL2030_MODULE_FIRMWARE(IWL2030_UCODE_API_MAX));
 372 MODULE_FIRMWARE(IWL105_MODULE_FIRMWARE(IWL105_UCODE_API_MAX));
 373 MODULE_FIRMWARE(IWL135_MODULE_FIRMWARE(IWL135_UCODE_API_MAX));