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