/*
* Shared Atheros AR9170 Header
*
* Firmware command interface definitions
*
* Copyright 2008, Johannes Berg <johannes@sipsolutions.net>
* Copyright 2009, 2010, 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/.
*
* This file incorporates work covered by the following copyright and
* permission notice:
* Copyright (c) 2007-2008 Atheros Communications, Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef __CARL9170_SHARED_FWCMD_H
#define __CARL9170_SHARED_FWCMD_H
#define CARL9170_MAX_CMD_LEN 64
#define CARL9170_MAX_CMD_PAYLOAD_LEN 60
#define CARL9170FW_API_MIN_VER 1
#define CARL9170FW_API_MAX_VER 1
enum carl9170_cmd_oids {
CARL9170_CMD_RREG = 0x00,
CARL9170_CMD_WREG = 0x01,
CARL9170_CMD_ECHO = 0x02,
CARL9170_CMD_SWRST = 0x03,
CARL9170_CMD_REBOOT = 0x04,
CARL9170_CMD_BCN_CTRL = 0x05,
CARL9170_CMD_READ_TSF = 0x06,
/* CAM */
CARL9170_CMD_EKEY = 0x10,
CARL9170_CMD_DKEY = 0x11,
/* RF / PHY */
CARL9170_CMD_FREQUENCY = 0x20,
CARL9170_CMD_RF_INIT = 0x21,
CARL9170_CMD_SYNTH = 0x22,
CARL9170_CMD_FREQ_START = 0x23,
CARL9170_CMD_PSM = 0x24,
/* Asychronous command flag */
CARL9170_CMD_ASYNC_FLAG = 0x40,
CARL9170_CMD_WREG_ASYNC = (CARL9170_CMD_WREG |
CARL9170_CMD_ASYNC_FLAG),
CARL9170_CMD_REBOOT_ASYNC = (CARL9170_CMD_REBOOT |
CARL9170_CMD_ASYNC_FLAG),
CARL9170_CMD_BCN_CTRL_ASYNC = (CARL9170_CMD_BCN_CTRL |
CARL9170_CMD_ASYNC_FLAG),
CARL9170_CMD_PSM_ASYNC = (CARL9170_CMD_PSM |
CARL9170_CMD_ASYNC_FLAG),
/* responses and traps */
CARL9170_RSP_FLAG = 0xc0,
CARL9170_RSP_PRETBTT = 0xc0,
CARL9170_RSP_TXCOMP = 0xc1,
CARL9170_RSP_BEACON_CONFIG = 0xc2,
CARL9170_RSP_ATIM = 0xc3,
CARL9170_RSP_WATCHDOG = 0xc6,
CARL9170_RSP_TEXT = 0xca,
CARL9170_RSP_HEXDUMP = 0xcc,
CARL9170_RSP_RADAR = 0xcd,
CARL9170_RSP_GPIO = 0xce,
CARL9170_RSP_BOOT = 0xcf,
};
struct carl9170_set_key_cmd {
__le16 user;
__le16 keyId;
__le16 type;
u8 macAddr[6];
u32 key[4];
} __packed;
#define CARL9170_SET_KEY_CMD_SIZE 28
struct carl9170_disable_key_cmd {
__le16 user;
__le16 padding;
} __packed;
#define CARL9170_DISABLE_KEY_CMD_SIZE 4
struct carl9170_u32_list {
u32 vals[0];
} __packed;
struct carl9170_reg_list {
__le32 regs[0];
} __packed;
struct carl9170_write_reg {
struct {
__le32 addr;
__le32 val;
} regs[0] __packed;
} __packed;
#define CARL9170FW_PHY_HT_ENABLE 0x4
#define CARL9170FW_PHY_HT_DYN2040 0x8
#define CARL9170FW_PHY_HT_EXT_CHAN_OFF 0x3
#define CARL9170FW_PHY_HT_EXT_CHAN_OFF_S 2
struct carl9170_rf_init {
__le32 freq;
u8 ht_settings;
u8 padding2[3];
__le32 delta_slope_coeff_exp;
__le32 delta_slope_coeff_man;
__le32 delta_slope_coeff_exp_shgi;
__le32 delta_slope_coeff_man_shgi;
__le32 finiteLoopCount;
} __packed;
#define CARL9170_RF_INIT_SIZE 28
struct carl9170_rf_init_result {
__le32 ret; /* AR9170_PHY_REG_AGC_CONTROL */
} __packed;
#define CARL9170_RF_INIT_RESULT_SIZE 4
#define CARL9170_PSM_SLEEP 0x1000
#define CARL9170_PSM_SOFTWARE 0
#define CARL9170_PSM_WAKE 0 /* internally used. */
#define CARL9170_PSM_COUNTER 0xfff
#define CARL9170_PSM_COUNTER_S 0
struct carl9170_psm {
__le32 state;
} __packed;
#define CARL9170_PSM_SIZE 4
struct carl9170_bcn_ctrl_cmd {
__le32 vif_id;
__le32 mode;
__le32 bcn_addr;
__le32 bcn_len;
} __packed;
#define CARL9170_BCN_CTRL_CMD_SIZE 16
#define CARL9170_BCN_CTRL_DRAIN 0
#define CARL9170_BCN_CTRL_CAB_TRIGGER 1
struct carl9170_cmd_head {
union {
struct {
u8 len;
u8 cmd;
u8 seq;
u8 ext;
} __packed;
u32 hdr_data;
} __packed;
} __packed;
struct carl9170_cmd {
struct carl9170_cmd_head hdr;
union {
struct carl9170_set_key_cmd setkey;
struct carl9170_disable_key_cmd disablekey;
struct carl9170_u32_list echo;
struct carl9170_reg_list rreg;
struct carl9170_write_reg wreg;
struct carl9170_rf_init rf_init;
struct carl9170_psm psm;
struct carl9170_bcn_ctrl_cmd bcn_ctrl;
u8 data[CARL9170_MAX_CMD_PAYLOAD_LEN];
} __packed;
} __packed;
#define CARL9170_TX_STATUS_QUEUE 3
#define CARL9170_TX_STATUS_QUEUE_S 0
#define CARL9170_TX_STATUS_RIX_S 2
#define CARL9170_TX_STATUS_RIX (3 << CARL9170_TX_STATUS_RIX_S)
#define CARL9170_TX_STATUS_TRIES_S 4
#define CARL9170_TX_STATUS_TRIES (7 << CARL9170_TX_STATUS_TRIES_S)
#define CARL9170_TX_STATUS_SUCCESS 0x80
/*
* NOTE:
* Both structs [carl9170_tx_status and _carl9170_tx_status]
* need to be "bit for bit" in sync.
*/
struct carl9170_tx_status {
/*
* Beware of compiler bugs in all gcc pre 4.4!
*/
u8 cookie;
u8 queue:2;
u8 rix:2;
u8 tries:3;
u8 success:1;
} __packed;
struct _carl9170_tx_status {
/*
* This version should be immune to all alignment bugs.
*/
u8 cookie;
u8 info;
} __packed;
#define CARL9170_TX_STATUS_SIZE 2
#define CARL9170_RSP_TX_STATUS_NUM (CARL9170_MAX_CMD_PAYLOAD_LEN / \
sizeof(struct _carl9170_tx_status))
#define CARL9170_TX_MAX_RATE_TRIES 7
#define CARL9170_TX_MAX_RATES 4
#define CARL9170_TX_MAX_RETRY_RATES (CARL9170_TX_MAX_RATES - 1)
#define CARL9170_ERR_MAGIC "ERR:"
#define CARL9170_BUG_MAGIC "BUG:"
struct carl9170_gpio {
__le32 gpio;
} __packed;
#define CARL9170_GPIO_SIZE 4
struct carl9170_tsf_rsp {
union {
__le32 tsf[2];
__le64 tsf_64;
} __packed;
} __packed;
#define CARL9170_TSF_RSP_SIZE 8
struct carl9170_rsp {
struct carl9170_cmd_head hdr;
union {
struct carl9170_rf_init_result rf_init_res;
struct carl9170_u32_list rreg_res;
struct carl9170_u32_list echo;
struct carl9170_tx_status tx_status[0];
struct _carl9170_tx_status _tx_status[0];
struct carl9170_gpio gpio;
struct carl9170_tsf_rsp tsf;
struct carl9170_psm psm;
u8 data[CARL9170_MAX_CMD_PAYLOAD_LEN];
} __packed;
} __packed;
#endif /* __CARL9170_SHARED_FWCMD_H */
