drivers/net/wireless/iwlwifi/iwl-4965.h

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2003 - 2007 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  * James P. Ketrenos <ipw2100-admin@linux.intel.com>
  23  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  24  *
  25  *****************************************************************************/
  26 #ifndef __iwl_4965_h__
  27 #define __iwl_4965_h__
  28
  29 struct iwl_priv;
  30 struct sta_ht_info;
  31
  32 /*
  33  * Forward declare iwl-4965.c functions for iwl-base.c
  34  */
  35 extern int iwl_eeprom_aqcuire_semaphore(struct iwl_priv *priv);
  36 extern void iwl_eeprom_release_semaphore(struct iwl_priv *priv);
  37
  38 extern int iwl4965_tx_queue_update_wr_ptr(struct iwl_priv *priv,
  39                                           struct iwl_tx_queue *txq,
  40                                           u16 byte_cnt);
  41 extern void iwl4965_add_station(struct iwl_priv *priv, const u8 *addr,
  42                                 int is_ap);
  43 extern void iwl4965_set_rxon_ht(struct iwl_priv *priv,
  44                                 struct sta_ht_info *ht_info);
  45
  46 extern void iwl4965_set_rxon_chain(struct iwl_priv *priv);
  47 extern int iwl4965_tx_cmd(struct iwl_priv *priv, struct iwl_cmd *out_cmd,
  48                           u8 sta_id, dma_addr_t txcmd_phys,
  49                           struct ieee80211_hdr *hdr, u8 hdr_len,
  50                           struct ieee80211_tx_control *ctrl, void *sta_in);
  51 extern int iwl4965_init_hw_rates(struct iwl_priv *priv,
  52                                  struct ieee80211_rate *rates);
  53 extern int iwl4965_alive_notify(struct iwl_priv *priv);
  54 extern void iwl4965_update_rate_scaling(struct iwl_priv *priv, u8 mode);
  55 extern void iwl4965_set_ht_add_station(struct iwl_priv *priv, u8 index);
  56
  57 extern void iwl4965_chain_noise_reset(struct iwl_priv *priv);
  58 extern void iwl4965_init_sensitivity(struct iwl_priv *priv, u8 flags,
  59                                      u8 force);
  60 extern int iwl4965_set_fat_chan_info(struct iwl_priv *priv, int phymode,
  61                                 u16 channel,
  62                                 const struct iwl_eeprom_channel *eeprom_ch,
  63                                 u8 fat_extension_channel);
  64 extern void iwl4965_rf_kill_ct_config(struct iwl_priv *priv);
  65
  66 #ifdef CONFIG_IWLWIFI_HT
  67 #ifdef CONFIG_IWLWIFI_HT_AGG
  68 extern int iwl_mac_ht_tx_agg_start(struct ieee80211_hw *hw, u8 *da,
  69                                    u16 tid, u16 *start_seq_num);
  70 extern int iwl_mac_ht_rx_agg_start(struct ieee80211_hw *hw, u8 *da,
  71                                    u16 tid, u16 start_seq_num);
  72 extern int iwl_mac_ht_rx_agg_stop(struct ieee80211_hw *hw, u8 *da,
  73                                   u16 tid, int generator);
  74 extern int iwl_mac_ht_tx_agg_stop(struct ieee80211_hw *hw, u8 *da,
  75                                   u16 tid, int generator);
  76 extern void iwl4965_turn_off_agg(struct iwl_priv *priv, u8 tid);
  77 #endif /* CONFIG_IWLWIFI_HT_AGG */
  78 #endif /*CONFIG_IWLWIFI_HT */
  79 /* Structures, enum, and defines specific to the 4965 */
  80
  81 #define IWL4965_KW_SIZE 0x1000  /*4k */
  82
  83 struct iwl_kw {
  84         dma_addr_t dma_addr;
  85         void *v_addr;
  86         size_t size;
  87 };
  88
  89 #define TID_QUEUE_CELL_SPACING 50       /*mS */
  90 #define TID_QUEUE_MAX_SIZE     20
  91 #define TID_ROUND_VALUE        5        /* mS */
  92 #define TID_MAX_LOAD_COUNT     8
  93
  94 #define TID_MAX_TIME_DIFF ((TID_QUEUE_MAX_SIZE - 1) * TID_QUEUE_CELL_SPACING)
  95 #define TIME_WRAP_AROUND(x, y) (((y) > (x)) ? (y) - (x) : (0-(x)) + (y))
  96
  97 #define TID_ALL_ENABLED         0x7f
  98 #define TID_ALL_SPECIFIED       0xff
  99 #define TID_AGG_TPT_THREHOLD    0x0
 100
 101 #define IWL_CHANNEL_WIDTH_20MHZ   0
 102 #define IWL_CHANNEL_WIDTH_40MHZ   1
 103
 104 #define IWL_MIMO_PS_STATIC        0
 105 #define IWL_MIMO_PS_NONE          3
 106 #define IWL_MIMO_PS_DYNAMIC       1
 107 #define IWL_MIMO_PS_INVALID       2
 108
 109 #define IWL_OPERATION_MODE_AUTO     0
 110 #define IWL_OPERATION_MODE_HT_ONLY  1
 111 #define IWL_OPERATION_MODE_MIXED    2
 112 #define IWL_OPERATION_MODE_20MHZ    3
 113
 114 #define IWL_EXT_CHANNEL_OFFSET_AUTO   0
 115 #define IWL_EXT_CHANNEL_OFFSET_ABOVE  1
 116 #define IWL_EXT_CHANNEL_OFFSET_       2
 117 #define IWL_EXT_CHANNEL_OFFSET_BELOW  3
 118 #define IWL_EXT_CHANNEL_OFFSET_MAX    4
 119
 120 #define NRG_NUM_PREV_STAT_L     20
 121 #define NUM_RX_CHAINS           (3)
 122
 123 #define TX_POWER_IWL_ILLEGAL_VDET    -100000
 124 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
 125 #define TX_POWER_IWL_CLOSED_LOOP_MIN_POWER 18
 126 #define TX_POWER_IWL_CLOSED_LOOP_MAX_POWER 34
 127 #define TX_POWER_IWL_VDET_SLOPE_BELOW_NOMINAL 17
 128 #define TX_POWER_IWL_VDET_SLOPE_ABOVE_NOMINAL 20
 129 #define TX_POWER_IWL_NOMINAL_POWER            26
 130 #define TX_POWER_IWL_CLOSED_LOOP_ITERATION_LIMIT 1
 131 #define TX_POWER_IWL_VOLTAGE_CODES_PER_03V       7
 132 #define TX_POWER_IWL_DEGREES_PER_VDET_CODE       11
 133 #define IWL_TX_POWER_MAX_NUM_PA_MEASUREMENTS 1
 134 #define IWL_TX_POWER_CCK_COMPENSATION_B_STEP (9)
 135 #define IWL_TX_POWER_CCK_COMPENSATION_C_STEP (5)
 136
 137 struct iwl_traffic_load {
 138         unsigned long time_stamp;
 139         u32 packet_count[TID_QUEUE_MAX_SIZE];
 140         u8 queue_count;
 141         u8 head;
 142         u32 total;
 143 };
 144
 145 #ifdef CONFIG_IWLWIFI_HT_AGG
 146 struct iwl_agg_control {
 147         unsigned long next_retry;
 148         u32 wait_for_agg_status;
 149         u32 tid_retry;
 150         u32 requested_ba;
 151         u32 granted_ba;
 152         u8 auto_agg;
 153         u32 tid_traffic_load_threshold;
 154         u32 ba_timeout;
 155         struct iwl_traffic_load traffic_load[TID_MAX_LOAD_COUNT];
 156 };
 157 #endif                          /*CONFIG_IWLWIFI_HT_AGG */
 158
 159 struct iwl_lq_mngr {
 160 #ifdef CONFIG_IWLWIFI_HT_AGG
 161         struct iwl_agg_control agg_ctrl;
 162 #endif
 163         spinlock_t lock;
 164         s32 max_window_size;
 165         s32 *expected_tpt;
 166         u8 *next_higher_rate;
 167         u8 *next_lower_rate;
 168         unsigned long stamp;
 169         unsigned long stamp_last;
 170         u32 flush_time;
 171         u32 tx_packets;
 172         u8 lq_ready;
 173 };
 174
 175
 176 /* Sensitivity and chain noise calibration */
 177 #define INTERFERENCE_DATA_AVAILABLE     __constant_cpu_to_le32(1)
 178 #define INITIALIZATION_VALUE            0xFFFF
 179 #define CAL_NUM_OF_BEACONS              20
 180 #define MAXIMUM_ALLOWED_PATHLOSS        15
 181
 182 /* Param table within SENSITIVITY_CMD */
 183 #define HD_MIN_ENERGY_CCK_DET_INDEX                 (0)
 184 #define HD_MIN_ENERGY_OFDM_DET_INDEX                (1)
 185 #define HD_AUTO_CORR32_X1_TH_ADD_MIN_INDEX          (2)
 186 #define HD_AUTO_CORR32_X1_TH_ADD_MIN_MRC_INDEX      (3)
 187 #define HD_AUTO_CORR40_X4_TH_ADD_MIN_MRC_INDEX      (4)
 188 #define HD_AUTO_CORR32_X4_TH_ADD_MIN_INDEX          (5)
 189 #define HD_AUTO_CORR32_X4_TH_ADD_MIN_MRC_INDEX      (6)
 190 #define HD_BARKER_CORR_TH_ADD_MIN_INDEX             (7)
 191 #define HD_BARKER_CORR_TH_ADD_MIN_MRC_INDEX         (8)
 192 #define HD_AUTO_CORR40_X4_TH_ADD_MIN_INDEX          (9)
 193 #define HD_OFDM_ENERGY_TH_IN_INDEX                  (10)
 194
 195 #define SENSITIVITY_CMD_CONTROL_DEFAULT_TABLE   __constant_cpu_to_le16(0)
 196 #define SENSITIVITY_CMD_CONTROL_WORK_TABLE      __constant_cpu_to_le16(1)
 197
 198 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
 199
 200 #define MAX_FA_OFDM  50
 201 #define MIN_FA_OFDM  5
 202 #define MAX_FA_CCK   50
 203 #define MIN_FA_CCK   5
 204
 205 #define NRG_MIN_CCK  97
 206 #define NRG_MAX_CCK  0
 207
 208 #define AUTO_CORR_MIN_OFDM        85
 209 #define AUTO_CORR_MIN_OFDM_MRC    170
 210 #define AUTO_CORR_MIN_OFDM_X1     105
 211 #define AUTO_CORR_MIN_OFDM_MRC_X1 220
 212 #define AUTO_CORR_MAX_OFDM        120
 213 #define AUTO_CORR_MAX_OFDM_MRC    210
 214 #define AUTO_CORR_MAX_OFDM_X1     140
 215 #define AUTO_CORR_MAX_OFDM_MRC_X1 270
 216 #define AUTO_CORR_STEP_OFDM       1
 217
 218 #define AUTO_CORR_MIN_CCK      (125)
 219 #define AUTO_CORR_MAX_CCK      (200)
 220 #define AUTO_CORR_MIN_CCK_MRC  200
 221 #define AUTO_CORR_MAX_CCK_MRC  400
 222 #define AUTO_CORR_STEP_CCK     3
 223 #define AUTO_CORR_MAX_TH_CCK   160
 224
 225 #define NRG_ALG                0
 226 #define AUTO_CORR_ALG          1
 227 #define NRG_DIFF               2
 228 #define NRG_STEP_CCK           2
 229 #define NRG_MARGIN             8
 230 #define MAX_NUMBER_CCK_NO_FA 100
 231
 232 #define AUTO_CORR_CCK_MIN_VAL_DEF    (125)
 233
 234 #define CHAIN_A             0
 235 #define CHAIN_B             1
 236 #define CHAIN_C             2
 237 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
 238 #define ALL_BAND_FILTER                 0xFF00
 239 #define IN_BAND_FILTER                  0xFF
 240 #define MIN_AVERAGE_NOISE_MAX_VALUE     0xFFFFFFFF
 241
 242 enum iwl_false_alarm_state {
 243         IWL_FA_TOO_MANY = 0,
 244         IWL_FA_TOO_FEW = 1,
 245         IWL_FA_GOOD_RANGE = 2,
 246 };
 247
 248 enum iwl_chain_noise_state {
 249         IWL_CHAIN_NOISE_ALIVE = 0,  /* must be 0 */
 250         IWL_CHAIN_NOISE_ACCUMULATE = 1,
 251         IWL_CHAIN_NOISE_CALIBRATED = 2,
 252 };
 253
 254 enum iwl_sensitivity_state {
 255         IWL_SENS_CALIB_ALLOWED = 0,
 256         IWL_SENS_CALIB_NEED_REINIT = 1,
 257 };
 258
 259 enum iwl_calib_enabled_state {
 260         IWL_CALIB_DISABLED = 0,  /* must be 0 */
 261         IWL_CALIB_ENABLED = 1,
 262 };
 263
 264 struct statistics_general_data {
 265         u32 beacon_silence_rssi_a;
 266         u32 beacon_silence_rssi_b;
 267         u32 beacon_silence_rssi_c;
 268         u32 beacon_energy_a;
 269         u32 beacon_energy_b;
 270         u32 beacon_energy_c;
 271 };
 272
 273 /* Sensitivity calib data */
 274 struct iwl_sensitivity_data {
 275         u32 auto_corr_ofdm;
 276         u32 auto_corr_ofdm_mrc;
 277         u32 auto_corr_ofdm_x1;
 278         u32 auto_corr_ofdm_mrc_x1;
 279         u32 auto_corr_cck;
 280         u32 auto_corr_cck_mrc;
 281
 282         u32 last_bad_plcp_cnt_ofdm;
 283         u32 last_fa_cnt_ofdm;
 284         u32 last_bad_plcp_cnt_cck;
 285         u32 last_fa_cnt_cck;
 286
 287         u32 nrg_curr_state;
 288         u32 nrg_prev_state;
 289         u32 nrg_value[10];
 290         u8  nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
 291         u32 nrg_silence_ref;
 292         u32 nrg_energy_idx;
 293         u32 nrg_silence_idx;
 294         u32 nrg_th_cck;
 295         s32 nrg_auto_corr_silence_diff;
 296         u32 num_in_cck_no_fa;
 297         u32 nrg_th_ofdm;
 298
 299         u8 state;
 300 };
 301
 302 /* Chain noise (differential Rx gain) calib data */
 303 struct iwl_chain_noise_data {
 304         u8 state;
 305         u16 beacon_count;
 306         u32 chain_noise_a;
 307         u32 chain_noise_b;
 308         u32 chain_noise_c;
 309         u32 chain_signal_a;
 310         u32 chain_signal_b;
 311         u32 chain_signal_c;
 312         u8 disconn_array[NUM_RX_CHAINS];
 313         u8 delta_gain_code[NUM_RX_CHAINS];
 314         u8 radio_write;
 315 };
 316
 317 /* IWL4965 */
 318 #define RATE_MCS_CODE_MSK 0x7
 319 #define RATE_MCS_MIMO_POS 3
 320 #define RATE_MCS_MIMO_MSK 0x8
 321 #define RATE_MCS_HT_DUP_POS 5
 322 #define RATE_MCS_HT_DUP_MSK 0x20
 323 #define RATE_MCS_FLAGS_POS 8
 324 #define RATE_MCS_HT_POS 8
 325 #define RATE_MCS_HT_MSK 0x100
 326 #define RATE_MCS_CCK_POS 9
 327 #define RATE_MCS_CCK_MSK 0x200
 328 #define RATE_MCS_GF_POS 10
 329 #define RATE_MCS_GF_MSK 0x400
 330
 331 #define RATE_MCS_FAT_POS 11
 332 #define RATE_MCS_FAT_MSK 0x800
 333 #define RATE_MCS_DUP_POS 12
 334 #define RATE_MCS_DUP_MSK 0x1000
 335 #define RATE_MCS_SGI_POS 13
 336 #define RATE_MCS_SGI_MSK 0x2000
 337
 338 #define EEPROM_SEM_TIMEOUT 10
 339 #define EEPROM_SEM_RETRY_LIMIT 1000
 340
 341 #endif                          /* __iwl_4965_h__ */