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/*
* Shared CARL9170 Header
*
* Firmware descriptor format
*
* Copyright 2009-2011 Christian Lamparter <chunkeey@googlemail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, see
* http://www.gnu.org/licenses/.
*/
#ifndef __CARL9170_SHARED_FWDESC_H
#define __CARL9170_SHARED_FWDESC_H
/* NOTE: Don't mess with the order of the flags! */
enum carl9170fw_feature_list {
/* Always set */
CARL9170FW_DUMMY_FEATURE,
/*
* Indicates that this image has special boot block which prevents
* legacy drivers to drive the firmware.
*/
CARL9170FW_MINIBOOT,
/* usb registers are initialized by the firmware */
CARL9170FW_USB_INIT_FIRMWARE,
/* command traps & notifications are send through EP2 */
CARL9170FW_USB_RESP_EP2,
/* usb download (app -> fw) stream */
CARL9170FW_USB_DOWN_STREAM,
/* usb upload (fw -> app) stream */
CARL9170FW_USB_UP_STREAM,
/* unusable - reserved to flag non-functional debug firmwares */
CARL9170FW_UNUSABLE,
/* AR9170_CMD_RF_INIT, AR9170_CMD_FREQ_START, AR9170_CMD_FREQUENCY */
CARL9170FW_COMMAND_PHY,
/* AR9170_CMD_EKEY, AR9170_CMD_DKEY */
CARL9170FW_COMMAND_CAM,
/* Firmware has a software Content After Beacon Queueing mechanism */
CARL9170FW_WLANTX_CAB,
/* The firmware is capable of responding to incoming BAR frames */
CARL9170FW_HANDLE_BACK_REQ,
/* GPIO Interrupt | CARL9170_RSP_GPIO */
CARL9170FW_GPIO_INTERRUPT,
/* Firmware PSM support | CARL9170_CMD_PSM */
CARL9170FW_PSM,
/* Firmware RX filter | CARL9170_CMD_RX_FILTER */
CARL9170FW_RX_FILTER,
/* Wake up on WLAN */
CARL9170FW_WOL,
/* Firmware supports PSM in the 5GHZ Band */
CARL9170FW_FIXED_5GHZ_PSM,
/* KEEP LAST */
__CARL9170FW_FEATURE_NUM
};
#define OTUS_MAGIC "OTAR"
#define MOTD_MAGIC "MOTD"
#define FIX_MAGIC "FIX\0"
#define DBG_MAGIC "DBG\0"
#define CHK_MAGIC "CHK\0"
#define TXSQ_MAGIC "TXSQ"
#define WOL_MAGIC "WOL\0"
#define LAST_MAGIC "LAST"
#define CARL9170FW_SET_DAY(d) (((d) - 1) % 31)
#define CARL9170FW_SET_MONTH(m) ((((m) - 1) % 12) * 31)
#define CARL9170FW_SET_YEAR(y) (((y) - 10) * 372)
#define CARL9170FW_GET_DAY(d) (((d) % 31) + 1)
#define CARL9170FW_GET_MONTH(m) ((((m) / 31) % 12) + 1)
#define CARL9170FW_GET_YEAR(y) ((y) / 372 + 10)
#define CARL9170FW_MAGIC_SIZE 4
struct carl9170fw_desc_head {
u8 magic[CARL9170FW_MAGIC_SIZE];
__le16 length;
u8 min_ver;
u8 cur_ver;
} __packed;
#define CARL9170FW_DESC_HEAD_SIZE \
(sizeof(struct carl9170fw_desc_head))
#define CARL9170FW_OTUS_DESC_MIN_VER 6
#define CARL9170FW_OTUS_DESC_CUR_VER 7
struct carl9170fw_otus_desc {
struct carl9170fw_desc_head head;
__le32 feature_set;
__le32 fw_address;
__le32 bcn_addr;
__le16 bcn_len;
__le16 miniboot_size;
__le16 tx_frag_len;
__le16 rx_max_frame_len;
u8 tx_descs;
u8 cmd_bufs;
u8 api_ver;
u8 vif_num;
} __packed;
#define CARL9170FW_OTUS_DESC_SIZE \
(sizeof(struct carl9170fw_otus_desc))
#define CARL9170FW_MOTD_STRING_LEN 24
#define CARL9170FW_MOTD_RELEASE_LEN 20
#define CARL9170FW_MOTD_DESC_MIN_VER 1
#define CARL9170FW_MOTD_DESC_CUR_VER 2
struct carl9170fw_motd_desc {
struct carl9170fw_desc_head head;
__le32 fw_year_month_day;
char desc[CARL9170FW_MOTD_STRING_LEN];
char release[CARL9170FW_MOTD_RELEASE_LEN];
} __packed;
#define CARL9170FW_MOTD_DESC_SIZE \
(sizeof(struct carl9170fw_motd_desc))
#define CARL9170FW_FIX_DESC_MIN_VER 1
#define CARL9170FW_FIX_DESC_CUR_VER 2
struct carl9170fw_fix_entry {
__le32 address;
__le32 mask;
__le32 value;
} __packed;
struct carl9170fw_fix_desc {
struct carl9170fw_desc_head head;
struct carl9170fw_fix_entry data[0];
} __packed;
#define CARL9170FW_FIX_DESC_SIZE \
(sizeof(struct carl9170fw_fix_desc))
#define CARL9170FW_DBG_DESC_MIN_VER 1
#define CARL9170FW_DBG_DESC_CUR_VER 3
struct carl9170fw_dbg_desc {
struct carl9170fw_desc_head head;
__le32 bogoclock_addr;
__le32 counter_addr;
__le32 rx_total_addr;
__le32 rx_overrun_addr;
__le32 rx_filter;
/* Put your debugging definitions here */
} __packed;
#define CARL9170FW_DBG_DESC_SIZE \
(sizeof(struct carl9170fw_dbg_desc))
#define CARL9170FW_CHK_DESC_MIN_VER 1
#define CARL9170FW_CHK_DESC_CUR_VER 2
struct carl9170fw_chk_desc {
struct carl9170fw_desc_head head;
__le32 fw_crc32;
__le32 hdr_crc32;
} __packed;
#define CARL9170FW_CHK_DESC_SIZE \
(sizeof(struct carl9170fw_chk_desc))
#define CARL9170FW_TXSQ_DESC_MIN_VER 1
#define CARL9170FW_TXSQ_DESC_CUR_VER 1
struct carl9170fw_txsq_desc {
struct carl9170fw_desc_head head;
__le32 seq_table_addr;
} __packed;
#define CARL9170FW_TXSQ_DESC_SIZE \
(sizeof(struct carl9170fw_txsq_desc))
#define CARL9170FW_WOL_DESC_MIN_VER 1
#define CARL9170FW_WOL_DESC_CUR_VER 1
struct carl9170fw_wol_desc {
struct carl9170fw_desc_head head;
__le32 supported_triggers; /* CARL9170_WOL_ */
} __packed;
#define CARL9170FW_WOL_DESC_SIZE \
(sizeof(struct carl9170fw_wol_desc))
#define CARL9170FW_LAST_DESC_MIN_VER 1
#define CARL9170FW_LAST_DESC_CUR_VER 2
struct carl9170fw_last_desc {
struct carl9170fw_desc_head head;
} __packed;
#define CARL9170FW_LAST_DESC_SIZE \
(sizeof(struct carl9170fw_fix_desc))
#define CARL9170FW_DESC_MAX_LENGTH 8192
#define CARL9170FW_FILL_DESC(_magic, _length, _min_ver, _cur_ver) \
.head = { \
.magic = _magic, \
.length = cpu_to_le16(_length), \
.min_ver = _min_ver, \
.cur_ver = _cur_ver, \
}
static inline void carl9170fw_fill_desc(struct carl9170fw_desc_head *head,
u8 magic[CARL9170FW_MAGIC_SIZE],
__le16 length, u8 min_ver, u8 cur_ver)
{
head->magic[0] = magic[0];
head->magic[1] = magic[1];
head->magic[2] = magic[2];
head->magic[3] = magic[3];
head->length = length;
head->min_ver = min_ver;
head->cur_ver = cur_ver;
}
#define carl9170fw_for_each_hdr(desc, fw_desc) \
for (desc = fw_desc; \
memcmp(desc->magic, LAST_MAGIC, CARL9170FW_MAGIC_SIZE) && \
le16_to_cpu(desc->length) >= CARL9170FW_DESC_HEAD_SIZE && \
le16_to_cpu(desc->length) < CARL9170FW_DESC_MAX_LENGTH; \
desc = (void *)((unsigned long)desc + le16_to_cpu(desc->length)))
#define CHECK_HDR_VERSION(head, _min_ver) \
(((head)->cur_ver < _min_ver) || ((head)->min_ver > _min_ver)) \
static inline bool carl9170fw_supports(__le32 list, u8 feature)
{
return le32_to_cpu(list) & BIT(feature);
}
static inline bool carl9170fw_desc_cmp(const struct carl9170fw_desc_head *head,
const u8 descid[CARL9170FW_MAGIC_SIZE],
u16 min_len, u8 compatible_revision)
{
if (descid[0] == head->magic[0] && descid[1] == head->magic[1] &&
descid[2] == head->magic[2] && descid[3] == head->magic[3] &&
!CHECK_HDR_VERSION(head, compatible_revision) &&
(le16_to_cpu(head->length) >= min_len))
return true;
return false;
}
#define CARL9170FW_MIN_SIZE 32
#define CARL9170FW_MAX_SIZE 16384
static inline bool carl9170fw_size_check(unsigned int len)
{
return (len <= CARL9170FW_MAX_SIZE && len >= CARL9170FW_MIN_SIZE);
}
#endif /* __CARL9170_SHARED_FWDESC_H */
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