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
  59         /* CAM */
  60         CARL9170_CMD_EKEY               = 0x10,
  61         CARL9170_CMD_DKEY               = 0x11,
  62
  63         /* RF / PHY */
  64         CARL9170_CMD_FREQUENCY          = 0x20,
  65         CARL9170_CMD_RF_INIT            = 0x21,
  66         CARL9170_CMD_SYNTH              = 0x22,
  67         CARL9170_CMD_FREQ_START         = 0x23,
  68         CARL9170_CMD_PSM                = 0x24,
  69
  70         /* Asychronous command flag */
  71         CARL9170_CMD_ASYNC_FLAG         = 0x40,
  72         CARL9170_CMD_WREG_ASYNC         = (CARL9170_CMD_WREG |
  73                                            CARL9170_CMD_ASYNC_FLAG),
  74         CARL9170_CMD_REBOOT_ASYNC       = (CARL9170_CMD_REBOOT |
  75                                            CARL9170_CMD_ASYNC_FLAG),
  76         CARL9170_CMD_BCN_CTRL_ASYNC     = (CARL9170_CMD_BCN_CTRL |
  77                                            CARL9170_CMD_ASYNC_FLAG),
  78         CARL9170_CMD_PSM_ASYNC          = (CARL9170_CMD_PSM |
  79                                            CARL9170_CMD_ASYNC_FLAG),
  80
  81         /* responses and traps */
  82         CARL9170_RSP_FLAG               = 0xc0,
  83         CARL9170_RSP_PRETBTT            = 0xc0,
  84         CARL9170_RSP_TXCOMP             = 0xc1,
  85         CARL9170_RSP_BEACON_CONFIG      = 0xc2,
  86         CARL9170_RSP_ATIM               = 0xc3,
  87         CARL9170_RSP_WATCHDOG           = 0xc6,
  88         CARL9170_RSP_TEXT               = 0xca,
  89         CARL9170_RSP_HEXDUMP            = 0xcc,
  90         CARL9170_RSP_RADAR              = 0xcd,
  91         CARL9170_RSP_GPIO               = 0xce,
  92         CARL9170_RSP_BOOT               = 0xcf,
  93 };
  94
  95 struct carl9170_set_key_cmd {
  96         __le16          user;
  97         __le16          keyId;
  98         __le16          type;
  99         u8              macAddr[6];
 100         u32             key[4];
 101 } __packed __aligned(4);
 102 #define CARL9170_SET_KEY_CMD_SIZE               28
 103
 104 struct carl9170_disable_key_cmd {
 105         __le16          user;
 106         __le16          padding;
 107 } __packed __aligned(4);
 108 #define CARL9170_DISABLE_KEY_CMD_SIZE           4
 109
 110 struct carl9170_u32_list {
 111         u32     vals[0];
 112 } __packed;
 113
 114 struct carl9170_reg_list {
 115         __le32          regs[0];
 116 } __packed;
 117
 118 struct carl9170_write_reg {
 119         struct {
 120                 __le32          addr;
 121                 __le32          val;
 122         } regs[0] __packed;
 123 } __packed;
 124
 125 #define CARL9170FW_PHY_HT_ENABLE                0x4
 126 #define CARL9170FW_PHY_HT_DYN2040               0x8
 127 #define CARL9170FW_PHY_HT_EXT_CHAN_OFF          0x3
 128 #define CARL9170FW_PHY_HT_EXT_CHAN_OFF_S        2
 129
 130 struct carl9170_rf_init {
 131         __le32          freq;
 132         u8              ht_settings;
 133         u8              padding2[3];
 134         __le32          delta_slope_coeff_exp;
 135         __le32          delta_slope_coeff_man;
 136         __le32          delta_slope_coeff_exp_shgi;
 137         __le32          delta_slope_coeff_man_shgi;
 138         __le32          finiteLoopCount;
 139 } __packed;
 140 #define CARL9170_RF_INIT_SIZE           28
 141
 142 struct carl9170_rf_init_result {
 143         __le32          ret;            /* AR9170_PHY_REG_AGC_CONTROL */
 144 } __packed;
 145 #define CARL9170_RF_INIT_RESULT_SIZE    4
 146
 147 #define CARL9170_PSM_SLEEP              0x1000
 148 #define CARL9170_PSM_SOFTWARE           0
 149 #define CARL9170_PSM_WAKE               0 /* internally used. */
 150 #define CARL9170_PSM_COUNTER            0xfff
 151 #define CARL9170_PSM_COUNTER_S          0
 152
 153 struct carl9170_psm {
 154         __le32          state;
 155 } __packed;
 156 #define CARL9170_PSM_SIZE               4
 157
 158 struct carl9170_rx_filter_cmd {
 159         __le32          rx_filter;
 160 } __packed;
 161 #define CARL9170_RX_FILTER_CMD_SIZE     4
 162
 163 #define CARL9170_RX_FILTER_BAD          0x01
 164 #define CARL9170_RX_FILTER_OTHER_RA     0x02
 165 #define CARL9170_RX_FILTER_DECRY_FAIL   0x04
 166 #define CARL9170_RX_FILTER_CTL_OTHER    0x08
 167 #define CARL9170_RX_FILTER_CTL_PSPOLL   0x10
 168 #define CARL9170_RX_FILTER_CTL_BACKR    0x20
 169 #define CARL9170_RX_FILTER_MGMT         0x40
 170 #define CARL9170_RX_FILTER_DATA         0x80
 171 #define CARL9170_RX_FILTER_EVERYTHING   (~0)
 172
 173 struct carl9170_bcn_ctrl_cmd {
 174         __le32          vif_id;
 175         __le32          mode;
 176         __le32          bcn_addr;
 177         __le32          bcn_len;
 178 } __packed;
 179 #define CARL9170_BCN_CTRL_CMD_SIZE      16
 180
 181 #define CARL9170_BCN_CTRL_DRAIN 0
 182 #define CARL9170_BCN_CTRL_CAB_TRIGGER   1
 183
 184 struct carl9170_wol_cmd {
 185         __le32          flags;
 186         u8              mac[6];
 187         u8              bssid[6];
 188         __le32          null_interval;
 189         __le32          free_for_use2;
 190         __le32          mask;
 191         u8              pattern[32];
 192 } __packed;
 193
 194 #define CARL9170_WOL_CMD_SIZE           60
 195
 196 #define CARL9170_WOL_DISCONNECT         1
 197 #define CARL9170_WOL_MAGIC_PKT          2
 198
 199 struct carl9170_cmd_head {
 200         union {
 201                 struct {
 202                         u8      len;
 203                         u8      cmd;
 204                         u8      seq;
 205                         u8      ext;
 206                 } __packed;
 207
 208                 u32 hdr_data;
 209         } __packed;
 210 } __packed;
 211
 212 struct carl9170_cmd {
 213         struct carl9170_cmd_head hdr;
 214         union {
 215                 struct carl9170_set_key_cmd     setkey;
 216                 struct carl9170_disable_key_cmd disablekey;
 217                 struct carl9170_u32_list        echo;
 218                 struct carl9170_reg_list        rreg;
 219                 struct carl9170_write_reg       wreg;
 220                 struct carl9170_rf_init         rf_init;
 221                 struct carl9170_psm             psm;
 222                 struct carl9170_wol_cmd         wol;
 223                 struct carl9170_bcn_ctrl_cmd    bcn_ctrl;
 224                 struct carl9170_rx_filter_cmd   rx_filter;
 225                 u8 data[CARL9170_MAX_CMD_PAYLOAD_LEN];
 226         } __packed;
 227 } __packed __aligned(4);
 228
 229 #define CARL9170_TX_STATUS_QUEUE        3
 230 #define CARL9170_TX_STATUS_QUEUE_S      0
 231 #define CARL9170_TX_STATUS_RIX_S        2
 232 #define CARL9170_TX_STATUS_RIX          (3 << CARL9170_TX_STATUS_RIX_S)
 233 #define CARL9170_TX_STATUS_TRIES_S      4
 234 #define CARL9170_TX_STATUS_TRIES        (7 << CARL9170_TX_STATUS_TRIES_S)
 235 #define CARL9170_TX_STATUS_SUCCESS      0x80
 236
 237 #ifdef __CARL9170FW__
 238 /*
 239  * NOTE:
 240  * Both structs [carl9170_tx_status and _carl9170_tx_status]
 241  * need to be "bit for bit" in sync.
 242  */
 243 struct carl9170_tx_status {
 244         /*
 245          * Beware of compiler bugs in all gcc pre 4.4!
 246          */
 247
 248         u8 cookie;
 249         u8 queue:2;
 250         u8 rix:2;
 251         u8 tries:3;
 252         u8 success:1;
 253 } __packed;
 254 #endif /* __CARL9170FW__ */
 255
 256 struct _carl9170_tx_status {
 257         /*
 258          * This version should be immune to all alignment bugs.
 259          */
 260
 261         u8 cookie;
 262         u8 info;
 263 } __packed;
 264 #define CARL9170_TX_STATUS_SIZE         2
 265
 266 #define CARL9170_RSP_TX_STATUS_NUM      (CARL9170_MAX_CMD_PAYLOAD_LEN / \
 267                                          sizeof(struct _carl9170_tx_status))
 268
 269 #define CARL9170_TX_MAX_RATE_TRIES      7
 270
 271 #define CARL9170_TX_MAX_RATES           4
 272 #define CARL9170_TX_MAX_RETRY_RATES     (CARL9170_TX_MAX_RATES - 1)
 273 #define CARL9170_ERR_MAGIC              "ERR:"
 274 #define CARL9170_BUG_MAGIC              "BUG:"
 275
 276 struct carl9170_gpio {
 277         __le32 gpio;
 278 } __packed;
 279 #define CARL9170_GPIO_SIZE              4
 280
 281 struct carl9170_tsf_rsp {
 282         union {
 283                 __le32 tsf[2];
 284                 __le64 tsf_64;
 285         } __packed;
 286 } __packed;
 287 #define CARL9170_TSF_RSP_SIZE           8
 288
 289 struct carl9170_rsp {
 290         struct carl9170_cmd_head hdr;
 291
 292         union {
 293                 struct carl9170_rf_init_result  rf_init_res;
 294                 struct carl9170_u32_list        rreg_res;
 295                 struct carl9170_u32_list        echo;
 296 #ifdef __CARL9170FW__
 297                 struct carl9170_tx_status       tx_status[0];
 298 #endif /* __CARL9170FW__ */
 299                 struct _carl9170_tx_status      _tx_status[0];
 300                 struct carl9170_gpio            gpio;
 301                 struct carl9170_tsf_rsp         tsf;
 302                 struct carl9170_psm             psm;
 303                 u8 data[CARL9170_MAX_CMD_PAYLOAD_LEN];
 304         } __packed;
 305 } __packed __aligned(4);
 306
 307 #endif /* __CARL9170_SHARED_FWCMD_H */