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 <linux/wireless.h>
  34 #include <net/mac80211.h>
  35 #include <linux/etherdevice.h>
  36 #include <asm/unaligned.h>
  37 #include <linux/stringify.h>
  38
  39 #include "iwl-eeprom.h"
  40 #include "iwl-dev.h"
  41 #include "iwl-core.h"
  42 #include "iwl-io.h"
  43 #include "iwl-sta.h"
  44 #include "iwl-agn.h"
  45 #include "iwl-helpers.h"
  46 #include "iwl-agn-hw.h"
  47 #include "iwl-6000-hw.h"
  48
  49 /* Highest firmware API version supported */
  50 #define IWL2030_UCODE_API_MAX 5
  51 #define IWL2000_UCODE_API_MAX 5
  52 #define IWL105_UCODE_API_MAX 5
  53 #define IWL135_UCODE_API_MAX 5
  54
  55 /* Lowest firmware API version supported */
  56 #define IWL2030_UCODE_API_MIN 5
  57 #define IWL2000_UCODE_API_MIN 5
  58 #define IWL105_UCODE_API_MIN 5
  59 #define IWL135_UCODE_API_MIN 5
  60
  61 #define IWL2030_FW_PRE "iwlwifi-2030-"
  62 #define IWL2030_MODULE_FIRMWARE(api) IWL2030_FW_PRE __stringify(api) ".ucode"
  63
  64 #define IWL2000_FW_PRE "iwlwifi-2000-"
  65 #define IWL2000_MODULE_FIRMWARE(api) IWL2000_FW_PRE __stringify(api) ".ucode"
  66
  67 #define IWL105_FW_PRE "iwlwifi-105-"
  68 #define IWL105_MODULE_FIRMWARE(api) IWL105_FW_PRE __stringify(api) ".ucode"
  69
  70 #define IWL135_FW_PRE "iwlwifi-135-"
  71 #define IWL135_MODULE_FIRMWARE(api) IWL135_FW_PRE #api ".ucode"
  72
  73 static void iwl2000_set_ct_threshold(struct iwl_priv *priv)
  74 {
  75         /* want Celsius */
  76         priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD;
  77         priv->hw_params.ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
  78 }
  79
  80 /* NIC configuration for 2000 series */
  81 static void iwl2000_nic_config(struct iwl_priv *priv)
  82 {
  83         iwl_rf_config(priv);
  84
  85         if (priv->cfg->iq_invert)
  86                 iwl_set_bit(priv, CSR_GP_DRIVER_REG,
  87                             CSR_GP_DRIVER_REG_BIT_RADIO_IQ_INVER);
  88 }
  89
  90 static struct iwl_sensitivity_ranges iwl2000_sensitivity = {
  91         .min_nrg_cck = 97,
  92         .max_nrg_cck = 0, /* not used, set to 0 */
  93         .auto_corr_min_ofdm = 80,
  94         .auto_corr_min_ofdm_mrc = 128,
  95         .auto_corr_min_ofdm_x1 = 105,
  96         .auto_corr_min_ofdm_mrc_x1 = 192,
  97
  98         .auto_corr_max_ofdm = 145,
  99         .auto_corr_max_ofdm_mrc = 232,
 100         .auto_corr_max_ofdm_x1 = 110,
 101         .auto_corr_max_ofdm_mrc_x1 = 232,
 102
 103         .auto_corr_min_cck = 125,
 104         .auto_corr_max_cck = 175,
 105         .auto_corr_min_cck_mrc = 160,
 106         .auto_corr_max_cck_mrc = 310,
 107         .nrg_th_cck = 97,
 108         .nrg_th_ofdm = 100,
 109
 110         .barker_corr_th_min = 190,
 111         .barker_corr_th_min_mrc = 390,
 112         .nrg_th_cca = 62,
 113 };
 114
 115 static int iwl2000_hw_set_hw_params(struct iwl_priv *priv)
 116 {
 117         if (iwlagn_mod_params.num_of_queues >= IWL_MIN_NUM_QUEUES &&
 118             iwlagn_mod_params.num_of_queues <= IWLAGN_NUM_QUEUES)
 119                 priv->cfg->base_params->num_of_queues =
 120                         iwlagn_mod_params.num_of_queues;
 121
 122         priv->hw_params.max_txq_num = priv->cfg->base_params->num_of_queues;
 123         priv->hw_params.scd_bc_tbls_size =
 124                 priv->cfg->base_params->num_of_queues *
 125                 sizeof(struct iwlagn_scd_bc_tbl);
 126         priv->hw_params.tfd_size = sizeof(struct iwl_tfd);
 127         priv->hw_params.max_stations = IWLAGN_STATION_COUNT;
 128         priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID;
 129
 130         priv->hw_params.max_data_size = IWL60_RTC_DATA_SIZE;
 131         priv->hw_params.max_inst_size = IWL60_RTC_INST_SIZE;
 132
 133         priv->hw_params.ht40_channel =  BIT(IEEE80211_BAND_2GHZ) |
 134                                         BIT(IEEE80211_BAND_5GHZ);
 135
 136         priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
 137         if (priv->cfg->rx_with_siso_diversity)
 138                 priv->hw_params.rx_chains_num = 1;
 139         else
 140                 priv->hw_params.rx_chains_num =
 141                         num_of_ant(priv->cfg->valid_rx_ant);
 142         priv->hw_params.valid_tx_ant = priv->cfg->valid_tx_ant;
 143         priv->hw_params.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         priv->hw_params.sens = &iwl2000_sensitivity;
 150         priv->hw_params.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                 priv->hw_params.calib_rt_cfg |= IWL_CALIB_CFG_DC_IDX;
 157         if (priv->cfg->need_temp_offset_calib)
 158                 priv->hw_params.calib_init_cfg |= BIT(IWL_CALIB_TEMP_OFFSET);
 159
 160         priv->hw_params.beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS;
 161
 162         return 0;
 163 }
 164
 165 static struct iwl_lib_ops iwl2000_lib = {
 166         .set_hw_params = iwl2000_hw_set_hw_params,
 167         .nic_config = iwl2000_nic_config,
 168         .eeprom_ops = {
 169                 .regulatory_bands = {
 170                         EEPROM_REG_BAND_1_CHANNELS,
 171                         EEPROM_REG_BAND_2_CHANNELS,
 172                         EEPROM_REG_BAND_3_CHANNELS,
 173                         EEPROM_REG_BAND_4_CHANNELS,
 174                         EEPROM_REG_BAND_5_CHANNELS,
 175                         EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
 176                         EEPROM_REGULATORY_BAND_NO_HT40,
 177                 },
 178                 .update_enhanced_txpower = iwlcore_eeprom_enhanced_txpower,
 179         },
 180         .temperature = iwlagn_temperature,
 181 };
 182
 183 static struct iwl_lib_ops iwl2030_lib = {
 184         .set_hw_params = iwl2000_hw_set_hw_params,
 185         .bt_rx_handler_setup = iwlagn_bt_rx_handler_setup,
 186         .bt_setup_deferred_work = iwlagn_bt_setup_deferred_work,
 187         .cancel_deferred_work = iwlagn_bt_cancel_deferred_work,
 188         .nic_config = iwl2000_nic_config,
 189         .eeprom_ops = {
 190                 .regulatory_bands = {
 191                         EEPROM_REG_BAND_1_CHANNELS,
 192                         EEPROM_REG_BAND_2_CHANNELS,
 193                         EEPROM_REG_BAND_3_CHANNELS,
 194                         EEPROM_REG_BAND_4_CHANNELS,
 195                         EEPROM_REG_BAND_5_CHANNELS,
 196                         EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
 197                         EEPROM_REGULATORY_BAND_NO_HT40,
 198                 },
 199                 .update_enhanced_txpower = iwlcore_eeprom_enhanced_txpower,
 200         },
 201         .temperature = iwlagn_temperature,
 202 };
 203
 204 static struct iwl_base_params iwl2000_base_params = {
 205         .eeprom_size = OTP_LOW_IMAGE_SIZE,
 206         .num_of_queues = IWLAGN_NUM_QUEUES,
 207         .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
 208         .pll_cfg_val = 0,
 209         .max_ll_items = OTP_MAX_LL_ITEMS_2x00,
 210         .shadow_ram_support = true,
 211         .led_compensation = 51,
 212         .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 213         .adv_thermal_throttle = true,
 214         .support_ct_kill_exit = true,
 215         .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
 216         .chain_noise_scale = 1000,
 217         .wd_timeout = IWL_DEF_WD_TIMEOUT,
 218         .max_event_log_size = 512,
 219         .shadow_reg_enable = true,
 220 };
 221
 222
 223 static struct iwl_base_params iwl2030_base_params = {
 224         .eeprom_size = OTP_LOW_IMAGE_SIZE,
 225         .num_of_queues = IWLAGN_NUM_QUEUES,
 226         .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
 227         .pll_cfg_val = 0,
 228         .max_ll_items = OTP_MAX_LL_ITEMS_2x00,
 229         .shadow_ram_support = true,
 230         .led_compensation = 57,
 231         .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 232         .adv_thermal_throttle = true,
 233         .support_ct_kill_exit = true,
 234         .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
 235         .chain_noise_scale = 1000,
 236         .wd_timeout = IWL_LONG_WD_TIMEOUT,
 237         .max_event_log_size = 512,
 238         .shadow_reg_enable = true,
 239 };
 240
 241 static struct iwl_ht_params iwl2000_ht_params = {
 242         .ht_greenfield_support = true,
 243         .use_rts_for_aggregation = true, /* use rts/cts protection */
 244 };
 245
 246 static struct iwl_bt_params iwl2030_bt_params = {
 247         /* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */
 248         .advanced_bt_coexist = true,
 249         .agg_time_limit = BT_AGG_THRESHOLD_DEF,
 250         .bt_init_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_NONE,
 251         .bt_prio_boost = IWLAGN_BT_PRIO_BOOST_DEFAULT,
 252         .bt_sco_disable = true,
 253         .bt_session_2 = true,
 254 };
 255
 256 #define IWL_DEVICE_2000                                         \
 257         .fw_name_pre = IWL2000_FW_PRE,                          \
 258         .ucode_api_max = IWL2000_UCODE_API_MAX,                 \
 259         .ucode_api_min = IWL2000_UCODE_API_MIN,                 \
 260         .eeprom_ver = EEPROM_2000_EEPROM_VERSION,               \
 261         .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,       \
 262         .lib = &iwl2000_lib,                                    \
 263         .base_params = &iwl2000_base_params,                    \
 264         .need_dc_calib = true,                                  \
 265         .need_temp_offset_calib = 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 #define IWL_DEVICE_2030                                         \
 281         .fw_name_pre = IWL2030_FW_PRE,                          \
 282         .ucode_api_max = IWL2030_UCODE_API_MAX,                 \
 283         .ucode_api_min = IWL2030_UCODE_API_MIN,                 \
 284         .eeprom_ver = EEPROM_2000_EEPROM_VERSION,               \
 285         .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,       \
 286         .lib = &iwl2030_lib,                                    \
 287         .base_params = &iwl2030_base_params,                    \
 288         .bt_params = &iwl2030_bt_params,                        \
 289         .need_dc_calib = true,                                  \
 290         .need_temp_offset_calib = true,                         \
 291         .led_mode = IWL_LED_RF_STATE,                           \
 292         .adv_pm = true,                                         \
 293         .iq_invert = true                                       \
 294
 295 struct iwl_cfg iwl2030_2bgn_cfg = {
 296         .name = "2000 Series 2x2 BGN/BT",
 297         IWL_DEVICE_2030,
 298         .ht_params = &iwl2000_ht_params,
 299 };
 300
 301 struct iwl_cfg iwl2030_2bg_cfg = {
 302         .name = "2000 Series 2x2 BG/BT",
 303         IWL_DEVICE_2030,
 304 };
 305
 306 #define IWL_DEVICE_105                                          \
 307         .fw_name_pre = IWL105_FW_PRE,                           \
 308         .ucode_api_max = IWL105_UCODE_API_MAX,                  \
 309         .ucode_api_min = IWL105_UCODE_API_MIN,                  \
 310         .eeprom_ver = EEPROM_2000_EEPROM_VERSION,               \
 311         .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,       \
 312         .lib = &iwl2000_lib,                                    \
 313         .base_params = &iwl2000_base_params,                    \
 314         .need_dc_calib = true,                                  \
 315         .need_temp_offset_calib = true,                         \
 316         .led_mode = IWL_LED_RF_STATE,                           \
 317         .adv_pm = true,                                         \
 318         .rx_with_siso_diversity = true,                         \
 319         .iq_invert = true                                       \
 320
 321 struct iwl_cfg iwl105_bg_cfg = {
 322         .name = "105 Series 1x1 BG",
 323         IWL_DEVICE_105,
 324 };
 325
 326 struct iwl_cfg iwl105_bgn_cfg = {
 327         .name = "105 Series 1x1 BGN",
 328         IWL_DEVICE_105,
 329         .ht_params = &iwl2000_ht_params,
 330 };
 331
 332 #define IWL_DEVICE_135                                          \
 333         .fw_name_pre = IWL135_FW_PRE,                           \
 334         .ucode_api_max = IWL135_UCODE_API_MAX,                  \
 335         .ucode_api_min = IWL135_UCODE_API_MIN,                  \
 336         .eeprom_ver = EEPROM_2000_EEPROM_VERSION,               \
 337         .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,       \
 338         .lib = &iwl2030_lib,                                    \
 339         .base_params = &iwl2030_base_params,                    \
 340         .bt_params = &iwl2030_bt_params,                        \
 341         .need_dc_calib = true,                                  \
 342         .need_temp_offset_calib = true,                         \
 343         .led_mode = IWL_LED_RF_STATE,                           \
 344         .adv_pm = true,                                         \
 345         .rx_with_siso_diversity = true,                         \
 346         .iq_invert = true                                       \
 347
 348 struct iwl_cfg iwl135_bg_cfg = {
 349         .name = "135 Series 1x1 BG/BT",
 350         IWL_DEVICE_135,
 351 };
 352
 353 struct iwl_cfg iwl135_bgn_cfg = {
 354         .name = "135 Series 1x1 BGN/BT",
 355         IWL_DEVICE_135,
 356         .ht_params = &iwl2000_ht_params,
 357 };
 358
 359 MODULE_FIRMWARE(IWL2000_MODULE_FIRMWARE(IWL2000_UCODE_API_MAX));
 360 MODULE_FIRMWARE(IWL2030_MODULE_FIRMWARE(IWL2030_UCODE_API_MAX));
 361 MODULE_FIRMWARE(IWL105_MODULE_FIRMWARE(IWL105_UCODE_API_MAX));
 362 MODULE_FIRMWARE(IWL135_MODULE_FIRMWARE(IWL135_UCODE_API_MAX));