drivers/net/wireless/ath/carl9170/fwcmd.h

   1 /*
   2  * Shared Atheros AR9170 Header
   3  *
   4  * Firmware command interface definitions
   5  *
   6  * Copyright 2008, Johannes Berg <johannes@sipsolutions.net>
   7  * Copyright 2009-2011 Christian Lamparter <chunkeey@googlemail.com>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; see the file COPYING.  If not, see
  20  * http://www.gnu.org/licenses/.
  21  *
  22  * This file incorporates work covered by the following copyright and
  23  * permission notice:
  24  *    Copyright (c) 2007-2008 Atheros Communications, Inc.
  25  *
  26  *    Permission to use, copy, modify, and/or distribute this software for any
  27  *    purpose with or without fee is hereby granted, provided that the above
  28  *    copyright notice and this permission notice appear in all copies.
  29  *
  30  *    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  31  *    WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  32  *    MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  33  *    ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  34  *    WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  35  *    ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  36  *    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  37  */
  38
  39 #ifndef __CARL9170_SHARED_FWCMD_H
  40 #define __CARL9170_SHARED_FWCMD_H
  41
  42 #define CARL9170_MAX_CMD_LEN            64
  43 #define CARL9170_MAX_CMD_PAYLOAD_LEN    60
  44
  45 #define CARL9170FW_API_MIN_VER          1
  46 #define CARL9170FW_API_MAX_VER          1
  47
  48 enum carl9170_cmd_oids {
  49         CARL9170_CMD_RREG               = 0x00,
  50         CARL9170_CMD_WREG               = 0x01,
  51         CARL9170_CMD_ECHO               = 0x02,
  52         CARL9170_CMD_SWRST              = 0x03,
  53         CARL9170_CMD_REBOOT             = 0x04,
  54         CARL9170_CMD_BCN_CTRL           = 0x05,
  55         CARL9170_CMD_READ_TSF           = 0x06,
  56         CARL9170_CMD_RX_FILTER          = 0x07,
  57         CARL9170_CMD_WOL                = 0x08,
  58         CARL9170_CMD_TALLY              = 0x09,
  59         CARL9170_CMD_WREGB              = 0x0a,
  60
  61         /* CAM */
  62         CARL9170_CMD_EKEY               = 0x10,
  63         CARL9170_CMD_DKEY               = 0x11,
  64
  65         /* RF / PHY */
  66         CARL9170_CMD_FREQUENCY          = 0x20,
  67         CARL9170_CMD_RF_INIT            = 0x21,
  68         CARL9170_CMD_SYNTH              = 0x22,
  69         CARL9170_CMD_FREQ_START         = 0x23,
  70         CARL9170_CMD_PSM                = 0x24,
  71
  72         /* Asychronous command flag */
  73         CARL9170_CMD_ASYNC_FLAG         = 0x40,
  74         CARL9170_CMD_WREG_ASYNC         = (CARL9170_CMD_WREG |
  75                                            CARL9170_CMD_ASYNC_FLAG),
  76         CARL9170_CMD_REBOOT_ASYNC       = (CARL9170_CMD_REBOOT |
  77                                            CARL9170_CMD_ASYNC_FLAG),
  78         CARL9170_CMD_BCN_CTRL_ASYNC     = (CARL9170_CMD_BCN_CTRL |
  79                                            CARL9170_CMD_ASYNC_FLAG),
  80         CARL9170_CMD_PSM_ASYNC          = (CARL9170_CMD_PSM |
  81                                            CARL9170_CMD_ASYNC_FLAG),
  82
  83         /* responses and traps */
  84         CARL9170_RSP_FLAG               = 0xc0,
  85         CARL9170_RSP_PRETBTT            = 0xc0,
  86         CARL9170_RSP_TXCOMP             = 0xc1,
  87         CARL9170_RSP_BEACON_CONFIG      = 0xc2,
  88         CARL9170_RSP_ATIM               = 0xc3,
  89         CARL9170_RSP_WATCHDOG           = 0xc6,
  90         CARL9170_RSP_TEXT               = 0xca,
  91         CARL9170_RSP_HEXDUMP            = 0xcc,
  92         CARL9170_RSP_RADAR              = 0xcd,
  93         CARL9170_RSP_GPIO               = 0xce,
  94         CARL9170_RSP_BOOT               = 0xcf,
  95 };
  96
  97 struct carl9170_set_key_cmd {
  98         __le16          user;
  99         __le16          keyId;
 100         __le16          type;
 101         u8              macAddr[6];
 102         u32             key[4];
 103 } __packed __aligned(4);
 104 #define CARL9170_SET_KEY_CMD_SIZE               28
 105
 106 struct carl9170_disable_key_cmd {
 107         __le16          user;
 108         __le16          padding;
 109 } __packed __aligned(4);
 110 #define CARL9170_DISABLE_KEY_CMD_SIZE           4
 111
 112 struct carl9170_u32_list {
 113         u32     vals[0];
 114 } __packed;
 115
 116 struct carl9170_reg_list {
 117         __le32          regs[0];
 118 } __packed;
 119
 120 struct carl9170_write_reg {
 121         struct {
 122                 __le32          addr;
 123                 __le32          val;
 124         } regs[0] __packed;
 125 } __packed;
 126
 127 struct carl9170_write_reg_byte {
 128         __le32  addr;
 129         __le32  count;
 130         u8      val[0];
 131 } __packed;
 132
 133 #define CARL9170FW_PHY_HT_ENABLE                0x4
 134 #define CARL9170FW_PHY_HT_DYN2040               0x8
 135 #define CARL9170FW_PHY_HT_EXT_CHAN_OFF          0x3
 136 #define CARL9170FW_PHY_HT_EXT_CHAN_OFF_S        2
 137
 138 struct carl9170_rf_init {
 139         __le32          freq;
 140         u8              ht_settings;
 141         u8              padding2[3];
 142         __le32          delta_slope_coeff_exp;
 143         __le32          delta_slope_coeff_man;
 144         __le32          delta_slope_coeff_exp_shgi;
 145         __le32          delta_slope_coeff_man_shgi;
 146         __le32          finiteLoopCount;
 147 } __packed;
 148 #define CARL9170_RF_INIT_SIZE           28
 149
 150 struct carl9170_rf_init_result {
 151         __le32          ret;            /* AR9170_PHY_REG_AGC_CONTROL */
 152 } __packed;
 153 #define CARL9170_RF_INIT_RESULT_SIZE    4
 154
 155 #define CARL9170_PSM_SLEEP              0x1000
 156 #define CARL9170_PSM_SOFTWARE           0
 157 #define CARL9170_PSM_WAKE               0 /* internally used. */
 158 #define CARL9170_PSM_COUNTER            0xfff
 159 #define CARL9170_PSM_COUNTER_S          0
 160
 161 struct carl9170_psm {
 162         __le32          state;
 163 } __packed;
 164 #define CARL9170_PSM_SIZE               4
 165
 166 /*
 167  * Note: If a bit in rx_filter is set, then it
 168  * means that the particular frames which matches
 169  * the condition are FILTERED/REMOVED/DISCARDED!
 170  * (This is can be a bit confusing, especially
 171  * because someone people think it's the exact
 172  * opposite way, so watch out!)
 173  */
 174 struct carl9170_rx_filter_cmd {
 175         __le32          rx_filter;
 176 } __packed;
 177 #define CARL9170_RX_FILTER_CMD_SIZE     4
 178
 179 #define CARL9170_RX_FILTER_BAD          0x01
 180 #define CARL9170_RX_FILTER_OTHER_RA     0x02
 181 #define CARL9170_RX_FILTER_DECRY_FAIL   0x04
 182 #define CARL9170_RX_FILTER_CTL_OTHER    0x08
 183 #define CARL9170_RX_FILTER_CTL_PSPOLL   0x10
 184 #define CARL9170_RX_FILTER_CTL_BACKR    0x20
 185 #define CARL9170_RX_FILTER_MGMT         0x40
 186 #define CARL9170_RX_FILTER_DATA         0x80
 187 #define CARL9170_RX_FILTER_EVERYTHING   (~0)
 188
 189 struct carl9170_bcn_ctrl_cmd {
 190         __le32          vif_id;
 191         __le32          mode;
 192         __le32          bcn_addr;
 193         __le32          bcn_len;
 194 } __packed;
 195 #define CARL9170_BCN_CTRL_CMD_SIZE      16
 196
 197 #define CARL9170_BCN_CTRL_DRAIN 0
 198 #define CARL9170_BCN_CTRL_CAB_TRIGGER   1
 199
 200 struct carl9170_wol_cmd {
 201         __le32          flags;
 202         u8              mac[6];
 203         u8              bssid[6];
 204         __le32          null_interval;
 205         __le32          free_for_use2;
 206         __le32          mask;
 207         u8              pattern[32];
 208 } __packed;
 209
 210 #define CARL9170_WOL_CMD_SIZE           60
 211
 212 #define CARL9170_WOL_DISCONNECT         1
 213 #define CARL9170_WOL_MAGIC_PKT          2
 214
 215 struct carl9170_cmd_head {
 216         union {
 217                 struct {
 218                         u8      len;
 219                         u8      cmd;
 220                         u8      seq;
 221                         u8      ext;
 222                 } __packed;
 223
 224                 u32 hdr_data;
 225         } __packed;
 226 } __packed;
 227
 228 struct carl9170_cmd {
 229         struct carl9170_cmd_head hdr;
 230         union {
 231                 struct carl9170_set_key_cmd     setkey;
 232                 struct carl9170_disable_key_cmd disablekey;
 233                 struct carl9170_u32_list        echo;
 234                 struct carl9170_reg_list        rreg;
 235                 struct carl9170_write_reg       wreg;
 236                 struct carl9170_write_reg_byte  wregb;
 237                 struct carl9170_rf_init         rf_init;
 238                 struct carl9170_psm             psm;
 239                 struct carl9170_wol_cmd         wol;
 240                 struct carl9170_bcn_ctrl_cmd    bcn_ctrl;
 241                 struct carl9170_rx_filter_cmd   rx_filter;
 242                 u8 data[CARL9170_MAX_CMD_PAYLOAD_LEN];
 243         } __packed;
 244 } __packed __aligned(4);
 245
 246 #define CARL9170_TX_STATUS_QUEUE        3
 247 #define CARL9170_TX_STATUS_QUEUE_S      0
 248 #define CARL9170_TX_STATUS_RIX_S        2
 249 #define CARL9170_TX_STATUS_RIX          (3 << CARL9170_TX_STATUS_RIX_S)
 250 #define CARL9170_TX_STATUS_TRIES_S      4
 251 #define CARL9170_TX_STATUS_TRIES        (7 << CARL9170_TX_STATUS_TRIES_S)
 252 #define CARL9170_TX_STATUS_SUCCESS      0x80
 253
 254 #ifdef __CARL9170FW__
 255 /*
 256  * NOTE:
 257  * Both structs [carl9170_tx_status and _carl9170_tx_status]
 258  * need to be "bit for bit" in sync.
 259  */
 260 struct carl9170_tx_status {
 261         /*
 262          * Beware of compiler bugs in all gcc pre 4.4!
 263          */
 264
 265         u8 cookie;
 266         u8 queue:2;
 267         u8 rix:2;
 268         u8 tries:3;
 269         u8 success:1;
 270 } __packed;
 271 #endif /* __CARL9170FW__ */
 272
 273 struct _carl9170_tx_status {
 274         /*
 275          * This version should be immune to all alignment bugs.
 276          */
 277
 278         u8 cookie;
 279         u8 info;
 280 } __packed;
 281 #define CARL9170_TX_STATUS_SIZE         2
 282
 283 #define CARL9170_RSP_TX_STATUS_NUM      (CARL9170_MAX_CMD_PAYLOAD_LEN / \
 284                                          sizeof(struct _carl9170_tx_status))
 285
 286 #define CARL9170_TX_MAX_RATE_TRIES      7
 287
 288 #define CARL9170_TX_MAX_RATES           4
 289 #define CARL9170_TX_MAX_RETRY_RATES     (CARL9170_TX_MAX_RATES - 1)
 290 #define CARL9170_ERR_MAGIC              "ERR:"
 291 #define CARL9170_BUG_MAGIC              "BUG:"
 292
 293 struct carl9170_gpio {
 294         __le32 gpio;
 295 } __packed;
 296 #define CARL9170_GPIO_SIZE              4
 297
 298 struct carl9170_tsf_rsp {
 299         union {
 300                 __le32 tsf[2];
 301                 __le64 tsf_64;
 302         } __packed;
 303 } __packed;
 304 #define CARL9170_TSF_RSP_SIZE           8
 305
 306 struct carl9170_tally_rsp {
 307         __le32 active;
 308         __le32 cca;
 309         __le32 tx_time;
 310         __le32 rx_total;
 311         __le32 rx_overrun;
 312         __le32 tick;
 313 } __packed;
 314
 315 struct carl9170_rsp {
 316         struct carl9170_cmd_head hdr;
 317
 318         union {
 319                 struct carl9170_rf_init_result  rf_init_res;
 320                 struct carl9170_u32_list        rreg_res;
 321                 struct carl9170_u32_list        echo;
 322 #ifdef __CARL9170FW__
 323                 struct carl9170_tx_status       tx_status[0];
 324 #endif /* __CARL9170FW__ */
 325                 struct _carl9170_tx_status      _tx_status[0];
 326                 struct carl9170_gpio            gpio;
 327                 struct carl9170_tsf_rsp         tsf;
 328                 struct carl9170_psm             psm;
 329                 struct carl9170_tally_rsp       tally;
 330                 u8 data[CARL9170_MAX_CMD_PAYLOAD_LEN];
 331         } __packed;
 332 } __packed __aligned(4);
 333
 334 #endif /* __CARL9170_SHARED_FWCMD_H */