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

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2008 - 2012 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-agn-hw.h"
  44 #include "iwl-shared.h"
  45 #include "iwl-cfg.h"
  46
  47 /* Highest firmware API version supported */
  48 #define IWL2030_UCODE_API_MAX 6
  49 #define IWL2000_UCODE_API_MAX 6
  50 #define IWL105_UCODE_API_MAX 6
  51 #define IWL135_UCODE_API_MAX 6
  52
  53 /* Oldest version we won't warn about */
  54 #define IWL2030_UCODE_API_OK 5
  55 #define IWL2000_UCODE_API_OK 5
  56 #define IWL105_UCODE_API_OK 5
  57 #define IWL135_UCODE_API_OK 5
  58
  59 /* Lowest firmware API version supported */
  60 #define IWL2030_UCODE_API_MIN 5
  61 #define IWL2000_UCODE_API_MIN 5
  62 #define IWL105_UCODE_API_MIN 5
  63 #define IWL135_UCODE_API_MIN 5
  64
  65 #define IWL2030_FW_PRE "iwlwifi-2030-"
  66 #define IWL2030_MODULE_FIRMWARE(api) IWL2030_FW_PRE __stringify(api) ".ucode"
  67
  68 #define IWL2000_FW_PRE "iwlwifi-2000-"
  69 #define IWL2000_MODULE_FIRMWARE(api) IWL2000_FW_PRE __stringify(api) ".ucode"
  70
  71 #define IWL105_FW_PRE "iwlwifi-105-"
  72 #define IWL105_MODULE_FIRMWARE(api) IWL105_FW_PRE __stringify(api) ".ucode"
  73
  74 #define IWL135_FW_PRE "iwlwifi-135-"
  75 #define IWL135_MODULE_FIRMWARE(api) IWL135_FW_PRE __stringify(api) ".ucode"
  76
  77 static void iwl2000_set_ct_threshold(struct iwl_priv *priv)
  78 {
  79         /* want Celsius */
  80         hw_params(priv).ct_kill_threshold = CT_KILL_THRESHOLD;
  81         hw_params(priv).ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
  82 }
  83
  84 /* NIC configuration for 2000 series */
  85 static void iwl2000_nic_config(struct iwl_priv *priv)
  86 {
  87         iwl_rf_config(priv);
  88
  89         if (cfg(priv)->iq_invert)
  90                 iwl_set_bit(trans(priv), CSR_GP_DRIVER_REG,
  91                             CSR_GP_DRIVER_REG_BIT_RADIO_IQ_INVER);
  92 }
  93
  94 static const struct iwl_sensitivity_ranges iwl2000_sensitivity = {
  95         .min_nrg_cck = 97,
  96         .auto_corr_min_ofdm = 80,
  97         .auto_corr_min_ofdm_mrc = 128,
  98         .auto_corr_min_ofdm_x1 = 105,
  99         .auto_corr_min_ofdm_mrc_x1 = 192,
 100
 101         .auto_corr_max_ofdm = 145,
 102         .auto_corr_max_ofdm_mrc = 232,
 103         .auto_corr_max_ofdm_x1 = 110,
 104         .auto_corr_max_ofdm_mrc_x1 = 232,
 105
 106         .auto_corr_min_cck = 125,
 107         .auto_corr_max_cck = 175,
 108         .auto_corr_min_cck_mrc = 160,
 109         .auto_corr_max_cck_mrc = 310,
 110         .nrg_th_cck = 97,
 111         .nrg_th_ofdm = 100,
 112
 113         .barker_corr_th_min = 190,
 114         .barker_corr_th_min_mrc = 390,
 115         .nrg_th_cca = 62,
 116 };
 117
 118 static void iwl2000_hw_set_hw_params(struct iwl_priv *priv)
 119 {
 120         hw_params(priv).max_txq_num = cfg(priv)->base_params->num_of_queues;
 121
 122         hw_params(priv).ht40_channel =  BIT(IEEE80211_BAND_2GHZ);
 123
 124         hw_params(priv).tx_chains_num =
 125                 num_of_ant(hw_params(priv).valid_tx_ant);
 126         if (cfg(priv)->rx_with_siso_diversity)
 127                 hw_params(priv).rx_chains_num = 1;
 128         else
 129                 hw_params(priv).rx_chains_num =
 130                         num_of_ant(hw_params(priv).valid_rx_ant);
 131
 132         iwl2000_set_ct_threshold(priv);
 133
 134         /* Set initial sensitivity parameters */
 135         hw_params(priv).sens = &iwl2000_sensitivity;
 136 }
 137
 138 static struct iwl_lib_ops iwl2000_lib = {
 139         .set_hw_params = iwl2000_hw_set_hw_params,
 140         .nic_config = iwl2000_nic_config,
 141         .eeprom_ops = {
 142                 .regulatory_bands = {
 143                         EEPROM_REG_BAND_1_CHANNELS,
 144                         EEPROM_REG_BAND_2_CHANNELS,
 145                         EEPROM_REG_BAND_3_CHANNELS,
 146                         EEPROM_REG_BAND_4_CHANNELS,
 147                         EEPROM_REG_BAND_5_CHANNELS,
 148                         EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
 149                         EEPROM_REGULATORY_BAND_NO_HT40,
 150                 },
 151                 .enhanced_txpower = true,
 152         },
 153         .temperature = iwlagn_temperature,
 154 };
 155
 156 static struct iwl_lib_ops iwl2030_lib = {
 157         .set_hw_params = iwl2000_hw_set_hw_params,
 158         .nic_config = iwl2000_nic_config,
 159         .eeprom_ops = {
 160                 .regulatory_bands = {
 161                         EEPROM_REG_BAND_1_CHANNELS,
 162                         EEPROM_REG_BAND_2_CHANNELS,
 163                         EEPROM_REG_BAND_3_CHANNELS,
 164                         EEPROM_REG_BAND_4_CHANNELS,
 165                         EEPROM_REG_BAND_5_CHANNELS,
 166                         EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
 167                         EEPROM_REGULATORY_BAND_NO_HT40,
 168                 },
 169                 .enhanced_txpower = true,
 170         },
 171         .temperature = iwlagn_temperature,
 172 };
 173
 174 static const struct iwl_base_params iwl2000_base_params = {
 175         .eeprom_size = OTP_LOW_IMAGE_SIZE,
 176         .num_of_queues = IWLAGN_NUM_QUEUES,
 177         .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
 178         .pll_cfg_val = 0,
 179         .max_ll_items = OTP_MAX_LL_ITEMS_2x00,
 180         .shadow_ram_support = true,
 181         .led_compensation = 51,
 182         .adv_thermal_throttle = true,
 183         .support_ct_kill_exit = true,
 184         .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
 185         .chain_noise_scale = 1000,
 186         .wd_timeout = IWL_DEF_WD_TIMEOUT,
 187         .max_event_log_size = 512,
 188         .shadow_reg_enable = true,
 189         .hd_v2 = true,
 190 };
 191
 192
 193 static const struct iwl_base_params iwl2030_base_params = {
 194         .eeprom_size = OTP_LOW_IMAGE_SIZE,
 195         .num_of_queues = IWLAGN_NUM_QUEUES,
 196         .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
 197         .pll_cfg_val = 0,
 198         .max_ll_items = OTP_MAX_LL_ITEMS_2x00,
 199         .shadow_ram_support = true,
 200         .led_compensation = 57,
 201         .adv_thermal_throttle = true,
 202         .support_ct_kill_exit = true,
 203         .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
 204         .chain_noise_scale = 1000,
 205         .wd_timeout = IWL_LONG_WD_TIMEOUT,
 206         .max_event_log_size = 512,
 207         .shadow_reg_enable = true,
 208         .hd_v2 = true,
 209 };
 210
 211 static const struct iwl_ht_params iwl2000_ht_params = {
 212         .ht_greenfield_support = true,
 213         .use_rts_for_aggregation = true, /* use rts/cts protection */
 214 };
 215
 216 static const struct iwl_bt_params iwl2030_bt_params = {
 217         /* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */
 218         .advanced_bt_coexist = true,
 219         .agg_time_limit = BT_AGG_THRESHOLD_DEF,
 220         .bt_init_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_NONE,
 221         .bt_prio_boost = IWLAGN_BT_PRIO_BOOST_DEFAULT,
 222         .bt_sco_disable = true,
 223         .bt_session_2 = true,
 224 };
 225
 226 #define IWL_DEVICE_2000                                         \
 227         .fw_name_pre = IWL2000_FW_PRE,                          \
 228         .ucode_api_max = IWL2000_UCODE_API_MAX,                 \
 229         .ucode_api_ok = IWL2000_UCODE_API_OK,                   \
 230         .ucode_api_min = IWL2000_UCODE_API_MIN,                 \
 231         .max_inst_size = IWL60_RTC_INST_SIZE,                   \
 232         .max_data_size = IWL60_RTC_DATA_SIZE,                   \
 233         .eeprom_ver = EEPROM_2000_EEPROM_VERSION,               \
 234         .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,       \
 235         .lib = &iwl2000_lib,                                    \
 236         .base_params = &iwl2000_base_params,                    \
 237         .need_temp_offset_calib = true,                         \
 238         .temp_offset_v2 = true,                                 \
 239         .led_mode = IWL_LED_RF_STATE,                           \
 240         .iq_invert = true                                       \
 241
 242 const struct iwl_cfg iwl2000_2bgn_cfg = {
 243         .name = "Intel(R) Centrino(R) Wireless-N 2200 BGN",
 244         IWL_DEVICE_2000,
 245         .ht_params = &iwl2000_ht_params,
 246 };
 247
 248 const struct iwl_cfg iwl2000_2bgn_d_cfg = {
 249         .name = "Intel(R) Centrino(R) Wireless-N 2200D BGN",
 250         IWL_DEVICE_2000,
 251         .ht_params = &iwl2000_ht_params,
 252 };
 253
 254 #define IWL_DEVICE_2030                                         \
 255         .fw_name_pre = IWL2030_FW_PRE,                          \
 256         .ucode_api_max = IWL2030_UCODE_API_MAX,                 \
 257         .ucode_api_ok = IWL2030_UCODE_API_OK,                   \
 258         .ucode_api_min = IWL2030_UCODE_API_MIN,                 \
 259         .max_inst_size = IWL60_RTC_INST_SIZE,                   \
 260         .max_data_size = IWL60_RTC_DATA_SIZE,                   \
 261         .eeprom_ver = EEPROM_2000_EEPROM_VERSION,               \
 262         .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,       \
 263         .lib = &iwl2030_lib,                                    \
 264         .base_params = &iwl2030_base_params,                    \
 265         .bt_params = &iwl2030_bt_params,                        \
 266         .need_temp_offset_calib = true,                         \
 267         .temp_offset_v2 = true,                                 \
 268         .led_mode = IWL_LED_RF_STATE,                           \
 269         .adv_pm = true,                                         \
 270         .iq_invert = true                                       \
 271
 272 const struct iwl_cfg iwl2030_2bgn_cfg = {
 273         .name = "Intel(R) Centrino(R) Wireless-N 2230 BGN",
 274         IWL_DEVICE_2030,
 275         .ht_params = &iwl2000_ht_params,
 276 };
 277
 278 #define IWL_DEVICE_105                                          \
 279         .fw_name_pre = IWL105_FW_PRE,                           \
 280         .ucode_api_max = IWL105_UCODE_API_MAX,                  \
 281         .ucode_api_ok = IWL105_UCODE_API_OK,                    \
 282         .ucode_api_min = IWL105_UCODE_API_MIN,                  \
 283         .max_inst_size = IWL60_RTC_INST_SIZE,                   \
 284         .max_data_size = IWL60_RTC_DATA_SIZE,                   \
 285         .eeprom_ver = EEPROM_2000_EEPROM_VERSION,               \
 286         .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,       \
 287         .lib = &iwl2000_lib,                                    \
 288         .base_params = &iwl2000_base_params,                    \
 289         .need_temp_offset_calib = true,                         \
 290         .temp_offset_v2 = true,                                 \
 291         .led_mode = IWL_LED_RF_STATE,                           \
 292         .adv_pm = true,                                         \
 293         .rx_with_siso_diversity = true,                         \
 294         .iq_invert = true                                       \
 295
 296 const struct iwl_cfg iwl105_bgn_cfg = {
 297         .name = "Intel(R) Centrino(R) Wireless-N 105 BGN",
 298         IWL_DEVICE_105,
 299         .ht_params = &iwl2000_ht_params,
 300 };
 301
 302 const struct iwl_cfg iwl105_bgn_d_cfg = {
 303         .name = "Intel(R) Centrino(R) Wireless-N 105D BGN",
 304         IWL_DEVICE_105,
 305         .ht_params = &iwl2000_ht_params,
 306 };
 307
 308 #define IWL_DEVICE_135                                          \
 309         .fw_name_pre = IWL135_FW_PRE,                           \
 310         .ucode_api_max = IWL135_UCODE_API_MAX,                  \
 311         .ucode_api_ok = IWL135_UCODE_API_OK,                    \
 312         .ucode_api_min = IWL135_UCODE_API_MIN,                  \
 313         .max_inst_size = IWL60_RTC_INST_SIZE,                   \
 314         .max_data_size = IWL60_RTC_DATA_SIZE,                   \
 315         .eeprom_ver = EEPROM_2000_EEPROM_VERSION,               \
 316         .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,       \
 317         .lib = &iwl2030_lib,                                    \
 318         .base_params = &iwl2030_base_params,                    \
 319         .bt_params = &iwl2030_bt_params,                        \
 320         .need_temp_offset_calib = true,                         \
 321         .temp_offset_v2 = true,                                 \
 322         .led_mode = IWL_LED_RF_STATE,                           \
 323         .adv_pm = true,                                         \
 324         .rx_with_siso_diversity = true,                         \
 325         .iq_invert = true                                       \
 326
 327 const struct iwl_cfg iwl135_bgn_cfg = {
 328         .name = "Intel(R) Centrino(R) Wireless-N 135 BGN",
 329         IWL_DEVICE_135,
 330         .ht_params = &iwl2000_ht_params,
 331 };
 332
 333 MODULE_FIRMWARE(IWL2000_MODULE_FIRMWARE(IWL2000_UCODE_API_MAX));
 334 MODULE_FIRMWARE(IWL2030_MODULE_FIRMWARE(IWL2030_UCODE_API_MAX));
 335 MODULE_FIRMWARE(IWL105_MODULE_FIRMWARE(IWL105_UCODE_API_MAX));
 336 MODULE_FIRMWARE(IWL135_MODULE_FIRMWARE(IWL135_UCODE_API_MAX));