root/drivers/net/wireless/ath/carl9170/fwdesc.h

INCLUDED FROM

DEFINITIONS

1. carl9170fw_fill_desc
2. carl9170fw_supports
3. carl9170fw_desc_cmp
4. carl9170fw_size_check

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Shared CARL9170 Header
   4  *
   5  * Firmware descriptor format
   6  *
   7  * Copyright 2009-2011 Christian Lamparter <chunkeey@googlemail.com>
   8  */
   9 
  10 #ifndef __CARL9170_SHARED_FWDESC_H
  11 #define __CARL9170_SHARED_FWDESC_H
  12 
  13 /* NOTE: Don't mess with the order of the flags! */
  14 enum carl9170fw_feature_list {
  15         /* Always set */
  16         CARL9170FW_DUMMY_FEATURE,
  17 
  18         /*
  19          * Indicates that this image has special boot block which prevents
  20          * legacy drivers to drive the firmware.
  21          */
  22         CARL9170FW_MINIBOOT,
  23 
  24         /* usb registers are initialized by the firmware */
  25         CARL9170FW_USB_INIT_FIRMWARE,
  26 
  27         /* command traps & notifications are send through EP2 */
  28         CARL9170FW_USB_RESP_EP2,
  29 
  30         /* usb download (app -> fw) stream */
  31         CARL9170FW_USB_DOWN_STREAM,
  32 
  33         /* usb upload (fw -> app) stream */
  34         CARL9170FW_USB_UP_STREAM,
  35 
  36         /* unusable - reserved to flag non-functional debug firmwares */
  37         CARL9170FW_UNUSABLE,
  38 
  39         /* AR9170_CMD_RF_INIT, AR9170_CMD_FREQ_START, AR9170_CMD_FREQUENCY */
  40         CARL9170FW_COMMAND_PHY,
  41 
  42         /* AR9170_CMD_EKEY, AR9170_CMD_DKEY */
  43         CARL9170FW_COMMAND_CAM,
  44 
  45         /* Firmware has a software Content After Beacon Queueing mechanism */
  46         CARL9170FW_WLANTX_CAB,
  47 
  48         /* The firmware is capable of responding to incoming BAR frames */
  49         CARL9170FW_HANDLE_BACK_REQ,
  50 
  51         /* GPIO Interrupt | CARL9170_RSP_GPIO */
  52         CARL9170FW_GPIO_INTERRUPT,
  53 
  54         /* Firmware PSM support | CARL9170_CMD_PSM */
  55         CARL9170FW_PSM,
  56 
  57         /* Firmware RX filter | CARL9170_CMD_RX_FILTER */
  58         CARL9170FW_RX_FILTER,
  59 
  60         /* Wake up on WLAN */
  61         CARL9170FW_WOL,
  62 
  63         /* Firmware supports PSM in the 5GHZ Band */
  64         CARL9170FW_FIXED_5GHZ_PSM,
  65 
  66         /* HW (ANI, CCA, MIB) tally counters */
  67         CARL9170FW_HW_COUNTERS,
  68 
  69         /* Firmware will pass BA when BARs are queued */
  70         CARL9170FW_RX_BA_FILTER,
  71 
  72         /* Firmware has support to write a byte at a time */
  73         CARL9170FW_HAS_WREGB_CMD,
  74 
  75         /* Pattern generator */
  76         CARL9170FW_PATTERN_GENERATOR,
  77 
  78         /* KEEP LAST */
  79         __CARL9170FW_FEATURE_NUM
  80 };
  81 
  82 #define OTUS_MAGIC      "OTAR"
  83 #define MOTD_MAGIC      "MOTD"
  84 #define FIX_MAGIC       "FIX\0"
  85 #define DBG_MAGIC       "DBG\0"
  86 #define CHK_MAGIC       "CHK\0"
  87 #define TXSQ_MAGIC      "TXSQ"
  88 #define WOL_MAGIC       "WOL\0"
  89 #define LAST_MAGIC      "LAST"
  90 
  91 #define CARL9170FW_SET_DAY(d) (((d) - 1) % 31)
  92 #define CARL9170FW_SET_MONTH(m) ((((m) - 1) % 12) * 31)
  93 #define CARL9170FW_SET_YEAR(y) (((y) - 10) * 372)
  94 
  95 #define CARL9170FW_GET_DAY(d) (((d) % 31) + 1)
  96 #define CARL9170FW_GET_MONTH(m) ((((m) / 31) % 12) + 1)
  97 #define CARL9170FW_GET_YEAR(y) ((y) / 372 + 10)
  98 
  99 #define CARL9170FW_MAGIC_SIZE                   4
 100 
 101 struct carl9170fw_desc_head {
 102         u8      magic[CARL9170FW_MAGIC_SIZE];
 103         __le16 length;
 104         u8 min_ver;
 105         u8 cur_ver;
 106 } __packed;
 107 #define CARL9170FW_DESC_HEAD_SIZE                       \
 108         (sizeof(struct carl9170fw_desc_head))
 109 
 110 #define CARL9170FW_OTUS_DESC_MIN_VER            6
 111 #define CARL9170FW_OTUS_DESC_CUR_VER            7
 112 struct carl9170fw_otus_desc {
 113         struct carl9170fw_desc_head head;
 114         __le32 feature_set;
 115         __le32 fw_address;
 116         __le32 bcn_addr;
 117         __le16 bcn_len;
 118         __le16 miniboot_size;
 119         __le16 tx_frag_len;
 120         __le16 rx_max_frame_len;
 121         u8 tx_descs;
 122         u8 cmd_bufs;
 123         u8 api_ver;
 124         u8 vif_num;
 125 } __packed;
 126 #define CARL9170FW_OTUS_DESC_SIZE                       \
 127         (sizeof(struct carl9170fw_otus_desc))
 128 
 129 #define CARL9170FW_MOTD_STRING_LEN                      24
 130 #define CARL9170FW_MOTD_RELEASE_LEN                     20
 131 #define CARL9170FW_MOTD_DESC_MIN_VER                    1
 132 #define CARL9170FW_MOTD_DESC_CUR_VER                    2
 133 struct carl9170fw_motd_desc {
 134         struct carl9170fw_desc_head head;
 135         __le32 fw_year_month_day;
 136         char desc[CARL9170FW_MOTD_STRING_LEN];
 137         char release[CARL9170FW_MOTD_RELEASE_LEN];
 138 } __packed;
 139 #define CARL9170FW_MOTD_DESC_SIZE                       \
 140         (sizeof(struct carl9170fw_motd_desc))
 141 
 142 #define CARL9170FW_FIX_DESC_MIN_VER                     1
 143 #define CARL9170FW_FIX_DESC_CUR_VER                     2
 144 struct carl9170fw_fix_entry {
 145         __le32 address;
 146         __le32 mask;
 147         __le32 value;
 148 } __packed;
 149 
 150 struct carl9170fw_fix_desc {
 151         struct carl9170fw_desc_head head;
 152         struct carl9170fw_fix_entry data[0];
 153 } __packed;
 154 #define CARL9170FW_FIX_DESC_SIZE                        \
 155         (sizeof(struct carl9170fw_fix_desc))
 156 
 157 #define CARL9170FW_DBG_DESC_MIN_VER                     1
 158 #define CARL9170FW_DBG_DESC_CUR_VER                     3
 159 struct carl9170fw_dbg_desc {
 160         struct carl9170fw_desc_head head;
 161 
 162         __le32 bogoclock_addr;
 163         __le32 counter_addr;
 164         __le32 rx_total_addr;
 165         __le32 rx_overrun_addr;
 166         __le32 rx_filter;
 167 
 168         /* Put your debugging definitions here */
 169 } __packed;
 170 #define CARL9170FW_DBG_DESC_SIZE                        \
 171         (sizeof(struct carl9170fw_dbg_desc))
 172 
 173 #define CARL9170FW_CHK_DESC_MIN_VER                     1
 174 #define CARL9170FW_CHK_DESC_CUR_VER                     2
 175 struct carl9170fw_chk_desc {
 176         struct carl9170fw_desc_head head;
 177         __le32 fw_crc32;
 178         __le32 hdr_crc32;
 179 } __packed;
 180 #define CARL9170FW_CHK_DESC_SIZE                        \
 181         (sizeof(struct carl9170fw_chk_desc))
 182 
 183 #define CARL9170FW_TXSQ_DESC_MIN_VER                    1
 184 #define CARL9170FW_TXSQ_DESC_CUR_VER                    1
 185 struct carl9170fw_txsq_desc {
 186         struct carl9170fw_desc_head head;
 187 
 188         __le32 seq_table_addr;
 189 } __packed;
 190 #define CARL9170FW_TXSQ_DESC_SIZE                       \
 191         (sizeof(struct carl9170fw_txsq_desc))
 192 
 193 #define CARL9170FW_WOL_DESC_MIN_VER                     1
 194 #define CARL9170FW_WOL_DESC_CUR_VER                     1
 195 struct carl9170fw_wol_desc {
 196         struct carl9170fw_desc_head head;
 197 
 198         __le32 supported_triggers;      /* CARL9170_WOL_ */
 199 } __packed;
 200 #define CARL9170FW_WOL_DESC_SIZE                        \
 201         (sizeof(struct carl9170fw_wol_desc))
 202 
 203 #define CARL9170FW_LAST_DESC_MIN_VER                    1
 204 #define CARL9170FW_LAST_DESC_CUR_VER                    2
 205 struct carl9170fw_last_desc {
 206         struct carl9170fw_desc_head head;
 207 } __packed;
 208 #define CARL9170FW_LAST_DESC_SIZE                       \
 209         (sizeof(struct carl9170fw_fix_desc))
 210 
 211 #define CARL9170FW_DESC_MAX_LENGTH                      8192
 212 
 213 #define CARL9170FW_FILL_DESC(_magic, _length, _min_ver, _cur_ver)       \
 214         .head = {                                                       \
 215                 .magic = _magic,                                        \
 216                 .length = cpu_to_le16(_length),                         \
 217                 .min_ver = _min_ver,                                    \
 218                 .cur_ver = _cur_ver,                                    \
 219         }
 220 
 221 static inline void carl9170fw_fill_desc(struct carl9170fw_desc_head *head,
 222                                          u8 magic[CARL9170FW_MAGIC_SIZE],
 223                                          __le16 length, u8 min_ver, u8 cur_ver)
 224 {
 225         head->magic[0] = magic[0];
 226         head->magic[1] = magic[1];
 227         head->magic[2] = magic[2];
 228         head->magic[3] = magic[3];
 229 
 230         head->length = length;
 231         head->min_ver = min_ver;
 232         head->cur_ver = cur_ver;
 233 }
 234 
 235 #define carl9170fw_for_each_hdr(desc, fw_desc)                          \
 236         for (desc = fw_desc;                                            \
 237              memcmp(desc->magic, LAST_MAGIC, CARL9170FW_MAGIC_SIZE) &&  \
 238              le16_to_cpu(desc->length) >= CARL9170FW_DESC_HEAD_SIZE &&  \
 239              le16_to_cpu(desc->length) < CARL9170FW_DESC_MAX_LENGTH;    \
 240              desc = (void *)((unsigned long)desc + le16_to_cpu(desc->length)))
 241 
 242 #define CHECK_HDR_VERSION(head, _min_ver)                               \
 243         (((head)->cur_ver < _min_ver) || ((head)->min_ver > _min_ver))  \
 244 
 245 static inline bool carl9170fw_supports(__le32 list, u8 feature)
 246 {
 247         return le32_to_cpu(list) & BIT(feature);
 248 }
 249 
 250 static inline bool carl9170fw_desc_cmp(const struct carl9170fw_desc_head *head,
 251                                        const u8 descid[CARL9170FW_MAGIC_SIZE],
 252                                        u16 min_len, u8 compatible_revision)
 253 {
 254         if (descid[0] == head->magic[0] && descid[1] == head->magic[1] &&
 255             descid[2] == head->magic[2] && descid[3] == head->magic[3] &&
 256             !CHECK_HDR_VERSION(head, compatible_revision) &&
 257             (le16_to_cpu(head->length) >= min_len))
 258                 return true;
 259 
 260         return false;
 261 }
 262 
 263 #define CARL9170FW_MIN_SIZE     32
 264 #define CARL9170FW_MAX_SIZE     16384
 265 
 266 static inline bool carl9170fw_size_check(unsigned int len)
 267 {
 268         return (len <= CARL9170FW_MAX_SIZE && len >= CARL9170FW_MIN_SIZE);
 269 }
 270 
 271 #endif /* __CARL9170_SHARED_FWDESC_H */