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, 2010, 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
  58         /* CAM */
  59         CARL9170_CMD_EKEY               = 0x10,
  60         CARL9170_CMD_DKEY               = 0x11,
  61
  62         /* RF / PHY */
  63         CARL9170_CMD_FREQUENCY          = 0x20,
  64         CARL9170_CMD_RF_INIT            = 0x21,
  65         CARL9170_CMD_SYNTH              = 0x22,
  66         CARL9170_CMD_FREQ_START         = 0x23,
  67         CARL9170_CMD_PSM                = 0x24,
  68
  69         /* Asychronous command flag */
  70         CARL9170_CMD_ASYNC_FLAG         = 0x40,
  71         CARL9170_CMD_WREG_ASYNC         = (CARL9170_CMD_WREG |
  72                                            CARL9170_CMD_ASYNC_FLAG),
  73         CARL9170_CMD_REBOOT_ASYNC       = (CARL9170_CMD_REBOOT |
  74                                            CARL9170_CMD_ASYNC_FLAG),
  75         CARL9170_CMD_BCN_CTRL_ASYNC     = (CARL9170_CMD_BCN_CTRL |
  76                                            CARL9170_CMD_ASYNC_FLAG),
  77         CARL9170_CMD_PSM_ASYNC          = (CARL9170_CMD_PSM |
  78                                            CARL9170_CMD_ASYNC_FLAG),
  79
  80         /* responses and traps */
  81         CARL9170_RSP_FLAG               = 0xc0,
  82         CARL9170_RSP_PRETBTT            = 0xc0,
  83         CARL9170_RSP_TXCOMP             = 0xc1,
  84         CARL9170_RSP_BEACON_CONFIG      = 0xc2,
  85         CARL9170_RSP_ATIM               = 0xc3,
  86         CARL9170_RSP_WATCHDOG           = 0xc6,
  87         CARL9170_RSP_TEXT               = 0xca,
  88         CARL9170_RSP_HEXDUMP            = 0xcc,
  89         CARL9170_RSP_RADAR              = 0xcd,
  90         CARL9170_RSP_GPIO               = 0xce,
  91         CARL9170_RSP_BOOT               = 0xcf,
  92 };
  93
  94 struct carl9170_set_key_cmd {
  95         __le16          user;
  96         __le16          keyId;
  97         __le16          type;
  98         u8              macAddr[6];
  99         u32             key[4];
 100 } __packed __aligned(4);
 101 #define CARL9170_SET_KEY_CMD_SIZE               28
 102
 103 struct carl9170_disable_key_cmd {
 104         __le16          user;
 105         __le16          padding;
 106 } __packed __aligned(4);
 107 #define CARL9170_DISABLE_KEY_CMD_SIZE           4
 108
 109 struct carl9170_u32_list {
 110         u32     vals[0];
 111 } __packed;
 112
 113 struct carl9170_reg_list {
 114         __le32          regs[0];
 115 } __packed;
 116
 117 struct carl9170_write_reg {
 118         struct {
 119                 __le32          addr;
 120                 __le32          val;
 121         } regs[0] __packed;
 122 } __packed;
 123
 124 #define CARL9170FW_PHY_HT_ENABLE                0x4
 125 #define CARL9170FW_PHY_HT_DYN2040               0x8
 126 #define CARL9170FW_PHY_HT_EXT_CHAN_OFF          0x3
 127 #define CARL9170FW_PHY_HT_EXT_CHAN_OFF_S        2
 128
 129 struct carl9170_rf_init {
 130         __le32          freq;
 131         u8              ht_settings;
 132         u8              padding2[3];
 133         __le32          delta_slope_coeff_exp;
 134         __le32          delta_slope_coeff_man;
 135         __le32          delta_slope_coeff_exp_shgi;
 136         __le32          delta_slope_coeff_man_shgi;
 137         __le32          finiteLoopCount;
 138 } __packed;
 139 #define CARL9170_RF_INIT_SIZE           28
 140
 141 struct carl9170_rf_init_result {
 142         __le32          ret;            /* AR9170_PHY_REG_AGC_CONTROL */
 143 } __packed;
 144 #define CARL9170_RF_INIT_RESULT_SIZE    4
 145
 146 #define CARL9170_PSM_SLEEP              0x1000
 147 #define CARL9170_PSM_SOFTWARE           0
 148 #define CARL9170_PSM_WAKE               0 /* internally used. */
 149 #define CARL9170_PSM_COUNTER            0xfff
 150 #define CARL9170_PSM_COUNTER_S          0
 151
 152 struct carl9170_psm {
 153         __le32          state;
 154 } __packed;
 155 #define CARL9170_PSM_SIZE               4
 156
 157 struct carl9170_rx_filter_cmd {
 158         __le32          rx_filter;
 159 } __packed;
 160 #define CARL9170_RX_FILTER_CMD_SIZE     4
 161
 162 #define CARL9170_RX_FILTER_BAD          0x01
 163 #define CARL9170_RX_FILTER_OTHER_RA     0x02
 164 #define CARL9170_RX_FILTER_DECRY_FAIL   0x04
 165 #define CARL9170_RX_FILTER_CTL_OTHER    0x08
 166 #define CARL9170_RX_FILTER_CTL_PSPOLL   0x10
 167 #define CARL9170_RX_FILTER_CTL_BACKR    0x20
 168 #define CARL9170_RX_FILTER_MGMT         0x40
 169 #define CARL9170_RX_FILTER_DATA         0x80
 170
 171 struct carl9170_bcn_ctrl_cmd {
 172         __le32          vif_id;
 173         __le32          mode;
 174         __le32          bcn_addr;
 175         __le32          bcn_len;
 176 } __packed;
 177 #define CARL9170_BCN_CTRL_CMD_SIZE      16
 178
 179 #define CARL9170_BCN_CTRL_DRAIN 0
 180 #define CARL9170_BCN_CTRL_CAB_TRIGGER   1
 181
 182 struct carl9170_cmd_head {
 183         union {
 184                 struct {
 185                         u8      len;
 186                         u8      cmd;
 187                         u8      seq;
 188                         u8      ext;
 189                 } __packed;
 190
 191                 u32 hdr_data;
 192         } __packed;
 193 } __packed;
 194
 195 struct carl9170_cmd {
 196         struct carl9170_cmd_head hdr;
 197         union {
 198                 struct carl9170_set_key_cmd     setkey;
 199                 struct carl9170_disable_key_cmd disablekey;
 200                 struct carl9170_u32_list        echo;
 201                 struct carl9170_reg_list        rreg;
 202                 struct carl9170_write_reg       wreg;
 203                 struct carl9170_rf_init         rf_init;
 204                 struct carl9170_psm             psm;
 205                 struct carl9170_bcn_ctrl_cmd    bcn_ctrl;
 206                 struct carl9170_rx_filter_cmd   rx_filter;
 207                 u8 data[CARL9170_MAX_CMD_PAYLOAD_LEN];
 208         } __packed;
 209 } __packed __aligned(4);
 210
 211 #define CARL9170_TX_STATUS_QUEUE        3
 212 #define CARL9170_TX_STATUS_QUEUE_S      0
 213 #define CARL9170_TX_STATUS_RIX_S        2
 214 #define CARL9170_TX_STATUS_RIX          (3 << CARL9170_TX_STATUS_RIX_S)
 215 #define CARL9170_TX_STATUS_TRIES_S      4
 216 #define CARL9170_TX_STATUS_TRIES        (7 << CARL9170_TX_STATUS_TRIES_S)
 217 #define CARL9170_TX_STATUS_SUCCESS      0x80
 218
 219 #ifdef __CARL9170FW__
 220 /*
 221  * NOTE:
 222  * Both structs [carl9170_tx_status and _carl9170_tx_status]
 223  * need to be "bit for bit" in sync.
 224  */
 225 struct carl9170_tx_status {
 226         /*
 227          * Beware of compiler bugs in all gcc pre 4.4!
 228          */
 229
 230         u8 cookie;
 231         u8 queue:2;
 232         u8 rix:2;
 233         u8 tries:3;
 234         u8 success:1;
 235 } __packed;
 236 #endif /* __CARL9170FW__ */
 237
 238 struct _carl9170_tx_status {
 239         /*
 240          * This version should be immune to all alignment bugs.
 241          */
 242
 243         u8 cookie;
 244         u8 info;
 245 } __packed;
 246 #define CARL9170_TX_STATUS_SIZE         2
 247
 248 #define CARL9170_RSP_TX_STATUS_NUM      (CARL9170_MAX_CMD_PAYLOAD_LEN / \
 249                                          sizeof(struct _carl9170_tx_status))
 250
 251 #define CARL9170_TX_MAX_RATE_TRIES      7
 252
 253 #define CARL9170_TX_MAX_RATES           4
 254 #define CARL9170_TX_MAX_RETRY_RATES     (CARL9170_TX_MAX_RATES - 1)
 255 #define CARL9170_ERR_MAGIC              "ERR:"
 256 #define CARL9170_BUG_MAGIC              "BUG:"
 257
 258 struct carl9170_gpio {
 259         __le32 gpio;
 260 } __packed;
 261 #define CARL9170_GPIO_SIZE              4
 262
 263 struct carl9170_tsf_rsp {
 264         union {
 265                 __le32 tsf[2];
 266                 __le64 tsf_64;
 267         } __packed;
 268 } __packed;
 269 #define CARL9170_TSF_RSP_SIZE           8
 270
 271 struct carl9170_rsp {
 272         struct carl9170_cmd_head hdr;
 273
 274         union {
 275                 struct carl9170_rf_init_result  rf_init_res;
 276                 struct carl9170_u32_list        rreg_res;
 277                 struct carl9170_u32_list        echo;
 278 #ifdef __CARL9170FW__
 279                 struct carl9170_tx_status       tx_status[0];
 280 #endif /* __CARL9170FW__ */
 281                 struct _carl9170_tx_status      _tx_status[0];
 282                 struct carl9170_gpio            gpio;
 283                 struct carl9170_tsf_rsp         tsf;
 284                 struct carl9170_psm             psm;
 285                 u8 data[CARL9170_MAX_CMD_PAYLOAD_LEN];
 286         } __packed;
 287 } __packed __aligned(4);
 288
 289 #endif /* __CARL9170_SHARED_FWCMD_H */