linux/drivers/net/wireless/ath/ath9k/ar9003_mci.h
Rajkumar Manoharan 99922a45e9 ath9k_hw: fix BT RF performance
When software rfkill is triggered, before put the chip in reset
state, give LNA and SPDT control to BT to make sure BT can have
good RF performance.

Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-06 15:20:28 -04:00

329 lines
11 KiB
C

/*
* Copyright (c) 2010-2011 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 AR9003_MCI_H
#define AR9003_MCI_H
#define MCI_FLAG_DISABLE_TIMESTAMP 0x00000001 /* Disable time stamp */
/* Default remote BT device MCI COEX version */
#define MCI_GPM_COEX_MAJOR_VERSION_DEFAULT 3
#define MCI_GPM_COEX_MINOR_VERSION_DEFAULT 0
/* Local WLAN MCI COEX version */
#define MCI_GPM_COEX_MAJOR_VERSION_WLAN 3
#define MCI_GPM_COEX_MINOR_VERSION_WLAN 0
enum mci_gpm_coex_query_type {
MCI_GPM_COEX_QUERY_BT_ALL_INFO = BIT(0),
MCI_GPM_COEX_QUERY_BT_TOPOLOGY = BIT(1),
MCI_GPM_COEX_QUERY_BT_DEBUG = BIT(2),
};
enum mci_gpm_coex_halt_bt_gpm {
MCI_GPM_COEX_BT_GPM_UNHALT,
MCI_GPM_COEX_BT_GPM_HALT
};
enum mci_gpm_coex_bt_update_flags_op {
MCI_GPM_COEX_BT_FLAGS_READ,
MCI_GPM_COEX_BT_FLAGS_SET,
MCI_GPM_COEX_BT_FLAGS_CLEAR
};
#define MCI_NUM_BT_CHANNELS 79
#define MCI_BT_MCI_FLAGS_UPDATE_CORR 0x00000002
#define MCI_BT_MCI_FLAGS_UPDATE_HDR 0x00000004
#define MCI_BT_MCI_FLAGS_UPDATE_PLD 0x00000008
#define MCI_BT_MCI_FLAGS_LNA_CTRL 0x00000010
#define MCI_BT_MCI_FLAGS_DEBUG 0x00000020
#define MCI_BT_MCI_FLAGS_SCHED_MSG 0x00000040
#define MCI_BT_MCI_FLAGS_CONT_MSG 0x00000080
#define MCI_BT_MCI_FLAGS_COEX_GPM 0x00000100
#define MCI_BT_MCI_FLAGS_CPU_INT_MSG 0x00000200
#define MCI_BT_MCI_FLAGS_MCI_MODE 0x00000400
#define MCI_BT_MCI_FLAGS_AR9462_MODE 0x00001000
#define MCI_BT_MCI_FLAGS_OTHER 0x00010000
#define MCI_DEFAULT_BT_MCI_FLAGS 0x00011dde
#define MCI_TOGGLE_BT_MCI_FLAGS (MCI_BT_MCI_FLAGS_UPDATE_CORR | \
MCI_BT_MCI_FLAGS_UPDATE_HDR | \
MCI_BT_MCI_FLAGS_UPDATE_PLD | \
MCI_BT_MCI_FLAGS_MCI_MODE)
#define MCI_2G_FLAGS_CLEAR_MASK 0x00000000
#define MCI_2G_FLAGS_SET_MASK MCI_TOGGLE_BT_MCI_FLAGS
#define MCI_2G_FLAGS MCI_DEFAULT_BT_MCI_FLAGS
#define MCI_5G_FLAGS_CLEAR_MASK MCI_TOGGLE_BT_MCI_FLAGS
#define MCI_5G_FLAGS_SET_MASK 0x00000000
#define MCI_5G_FLAGS (MCI_DEFAULT_BT_MCI_FLAGS & \
~MCI_TOGGLE_BT_MCI_FLAGS)
/*
* Default value for AR9462 is 0x00002201
*/
#define ATH_MCI_CONFIG_CONCUR_TX 0x00000003
#define ATH_MCI_CONFIG_MCI_OBS_MCI 0x00000004
#define ATH_MCI_CONFIG_MCI_OBS_TXRX 0x00000008
#define ATH_MCI_CONFIG_MCI_OBS_BT 0x00000010
#define ATH_MCI_CONFIG_DISABLE_MCI_CAL 0x00000020
#define ATH_MCI_CONFIG_DISABLE_OSLA 0x00000040
#define ATH_MCI_CONFIG_DISABLE_FTP_STOMP 0x00000080
#define ATH_MCI_CONFIG_AGGR_THRESH 0x00000700
#define ATH_MCI_CONFIG_AGGR_THRESH_S 8
#define ATH_MCI_CONFIG_DISABLE_AGGR_THRESH 0x00000800
#define ATH_MCI_CONFIG_CLK_DIV 0x00003000
#define ATH_MCI_CONFIG_CLK_DIV_S 12
#define ATH_MCI_CONFIG_DISABLE_TUNING 0x00004000
#define ATH_MCI_CONFIG_MCI_WEIGHT_DBG 0x40000000
#define ATH_MCI_CONFIG_DISABLE_MCI 0x80000000
#define ATH_MCI_CONFIG_MCI_OBS_MASK (ATH_MCI_CONFIG_MCI_OBS_MCI | \
ATH_MCI_CONFIG_MCI_OBS_TXRX | \
ATH_MCI_CONFIG_MCI_OBS_BT)
#define ATH_MCI_CONFIG_MCI_OBS_GPIO 0x0000002F
enum mci_message_header { /* length of payload */
MCI_LNA_CTRL = 0x10, /* len = 0 */
MCI_CONT_NACK = 0x20, /* len = 0 */
MCI_CONT_INFO = 0x30, /* len = 4 */
MCI_CONT_RST = 0x40, /* len = 0 */
MCI_SCHD_INFO = 0x50, /* len = 16 */
MCI_CPU_INT = 0x60, /* len = 4 */
MCI_SYS_WAKING = 0x70, /* len = 0 */
MCI_GPM = 0x80, /* len = 16 */
MCI_LNA_INFO = 0x90, /* len = 1 */
MCI_LNA_STATE = 0x94,
MCI_LNA_TAKE = 0x98,
MCI_LNA_TRANS = 0x9c,
MCI_SYS_SLEEPING = 0xa0, /* len = 0 */
MCI_REQ_WAKE = 0xc0, /* len = 0 */
MCI_DEBUG_16 = 0xfe, /* len = 2 */
MCI_REMOTE_RESET = 0xff /* len = 16 */
};
enum ath_mci_gpm_coex_profile_type {
MCI_GPM_COEX_PROFILE_UNKNOWN,
MCI_GPM_COEX_PROFILE_RFCOMM,
MCI_GPM_COEX_PROFILE_A2DP,
MCI_GPM_COEX_PROFILE_HID,
MCI_GPM_COEX_PROFILE_BNEP,
MCI_GPM_COEX_PROFILE_VOICE,
MCI_GPM_COEX_PROFILE_MAX
};
/* MCI GPM/Coex opcode/type definitions */
enum {
MCI_GPM_COEX_W_GPM_PAYLOAD = 1,
MCI_GPM_COEX_B_GPM_TYPE = 4,
MCI_GPM_COEX_B_GPM_OPCODE = 5,
/* MCI_GPM_WLAN_CAL_REQ, MCI_GPM_WLAN_CAL_DONE */
MCI_GPM_WLAN_CAL_W_SEQUENCE = 2,
/* MCI_GPM_COEX_VERSION_QUERY */
/* MCI_GPM_COEX_VERSION_RESPONSE */
MCI_GPM_COEX_B_MAJOR_VERSION = 6,
MCI_GPM_COEX_B_MINOR_VERSION = 7,
/* MCI_GPM_COEX_STATUS_QUERY */
MCI_GPM_COEX_B_BT_BITMAP = 6,
MCI_GPM_COEX_B_WLAN_BITMAP = 7,
/* MCI_GPM_COEX_HALT_BT_GPM */
MCI_GPM_COEX_B_HALT_STATE = 6,
/* MCI_GPM_COEX_WLAN_CHANNELS */
MCI_GPM_COEX_B_CHANNEL_MAP = 6,
/* MCI_GPM_COEX_BT_PROFILE_INFO */
MCI_GPM_COEX_B_PROFILE_TYPE = 6,
MCI_GPM_COEX_B_PROFILE_LINKID = 7,
MCI_GPM_COEX_B_PROFILE_STATE = 8,
MCI_GPM_COEX_B_PROFILE_ROLE = 9,
MCI_GPM_COEX_B_PROFILE_RATE = 10,
MCI_GPM_COEX_B_PROFILE_VOTYPE = 11,
MCI_GPM_COEX_H_PROFILE_T = 12,
MCI_GPM_COEX_B_PROFILE_W = 14,
MCI_GPM_COEX_B_PROFILE_A = 15,
/* MCI_GPM_COEX_BT_STATUS_UPDATE */
MCI_GPM_COEX_B_STATUS_TYPE = 6,
MCI_GPM_COEX_B_STATUS_LINKID = 7,
MCI_GPM_COEX_B_STATUS_STATE = 8,
/* MCI_GPM_COEX_BT_UPDATE_FLAGS */
MCI_GPM_COEX_W_BT_FLAGS = 6,
MCI_GPM_COEX_B_BT_FLAGS_OP = 10
};
enum mci_gpm_subtype {
MCI_GPM_BT_CAL_REQ = 0,
MCI_GPM_BT_CAL_GRANT = 1,
MCI_GPM_BT_CAL_DONE = 2,
MCI_GPM_WLAN_CAL_REQ = 3,
MCI_GPM_WLAN_CAL_GRANT = 4,
MCI_GPM_WLAN_CAL_DONE = 5,
MCI_GPM_COEX_AGENT = 0x0c,
MCI_GPM_RSVD_PATTERN = 0xfe,
MCI_GPM_RSVD_PATTERN32 = 0xfefefefe,
MCI_GPM_BT_DEBUG = 0xff
};
enum mci_bt_state {
MCI_BT_SLEEP,
MCI_BT_AWAKE,
MCI_BT_CAL_START,
MCI_BT_CAL
};
/* Type of state query */
enum mci_state_type {
MCI_STATE_ENABLE,
MCI_STATE_INIT_GPM_OFFSET,
MCI_STATE_NEXT_GPM_OFFSET,
MCI_STATE_LAST_GPM_OFFSET,
MCI_STATE_BT,
MCI_STATE_SET_BT_SLEEP,
MCI_STATE_SET_BT_AWAKE,
MCI_STATE_SET_BT_CAL_START,
MCI_STATE_SET_BT_CAL,
MCI_STATE_LAST_SCHD_MSG_OFFSET,
MCI_STATE_REMOTE_SLEEP,
MCI_STATE_CONT_RSSI_POWER,
MCI_STATE_CONT_PRIORITY,
MCI_STATE_CONT_TXRX,
MCI_STATE_RESET_REQ_WAKE,
MCI_STATE_SEND_WLAN_COEX_VERSION,
MCI_STATE_SET_BT_COEX_VERSION,
MCI_STATE_SEND_WLAN_CHANNELS,
MCI_STATE_SEND_VERSION_QUERY,
MCI_STATE_SEND_STATUS_QUERY,
MCI_STATE_NEED_FLUSH_BT_INFO,
MCI_STATE_SET_CONCUR_TX_PRI,
MCI_STATE_RECOVER_RX,
MCI_STATE_NEED_FTP_STOMP,
MCI_STATE_NEED_TUNING,
MCI_STATE_DEBUG,
MCI_STATE_MAX
};
enum mci_gpm_coex_opcode {
MCI_GPM_COEX_VERSION_QUERY,
MCI_GPM_COEX_VERSION_RESPONSE,
MCI_GPM_COEX_STATUS_QUERY,
MCI_GPM_COEX_HALT_BT_GPM,
MCI_GPM_COEX_WLAN_CHANNELS,
MCI_GPM_COEX_BT_PROFILE_INFO,
MCI_GPM_COEX_BT_STATUS_UPDATE,
MCI_GPM_COEX_BT_UPDATE_FLAGS
};
#define MCI_GPM_NOMORE 0
#define MCI_GPM_MORE 1
#define MCI_GPM_INVALID 0xffffffff
#define MCI_GPM_RECYCLE(_p_gpm) do { \
*(((u32 *)_p_gpm) + MCI_GPM_COEX_W_GPM_PAYLOAD) = \
MCI_GPM_RSVD_PATTERN32; \
} while (0)
#define MCI_GPM_TYPE(_p_gpm) \
(*(((u8 *)(_p_gpm)) + MCI_GPM_COEX_B_GPM_TYPE) & 0xff)
#define MCI_GPM_OPCODE(_p_gpm) \
(*(((u8 *)(_p_gpm)) + MCI_GPM_COEX_B_GPM_OPCODE) & 0xff)
#define MCI_GPM_SET_CAL_TYPE(_p_gpm, _cal_type) do { \
*(((u8 *)(_p_gpm)) + MCI_GPM_COEX_B_GPM_TYPE) = (_cal_type) & 0xff;\
} while (0)
#define MCI_GPM_SET_TYPE_OPCODE(_p_gpm, _type, _opcode) do { \
*(((u8 *)(_p_gpm)) + MCI_GPM_COEX_B_GPM_TYPE) = (_type) & 0xff; \
*(((u8 *)(_p_gpm)) + MCI_GPM_COEX_B_GPM_OPCODE) = (_opcode) & 0xff;\
} while (0)
#define MCI_GPM_IS_CAL_TYPE(_type) ((_type) <= MCI_GPM_WLAN_CAL_DONE)
/*
* Functions that are available to the MCI driver core.
*/
bool ar9003_mci_send_message(struct ath_hw *ah, u8 header, u32 flag,
u32 *payload, u8 len, bool wait_done,
bool check_bt);
u32 ar9003_mci_state(struct ath_hw *ah, u32 state_type, u32 *p_data);
void ar9003_mci_setup(struct ath_hw *ah, u32 gpm_addr, void *gpm_buf,
u16 len, u32 sched_addr);
void ar9003_mci_cleanup(struct ath_hw *ah);
void ar9003_mci_get_interrupt(struct ath_hw *ah, u32 *raw_intr,
u32 *rx_msg_intr);
void ar9003_mci_bt_gain_ctrl(struct ath_hw *ah);
/*
* These functions are used by ath9k_hw.
*/
#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
void ar9003_mci_stop_bt(struct ath_hw *ah, bool save_fullsleep);
void ar9003_mci_init_cal_req(struct ath_hw *ah, bool *is_reusable);
void ar9003_mci_init_cal_done(struct ath_hw *ah);
void ar9003_mci_set_full_sleep(struct ath_hw *ah);
void ar9003_mci_2g5g_switch(struct ath_hw *ah, bool wait_done);
void ar9003_mci_check_bt(struct ath_hw *ah);
bool ar9003_mci_start_reset(struct ath_hw *ah, struct ath9k_channel *chan);
int ar9003_mci_end_reset(struct ath_hw *ah, struct ath9k_channel *chan,
struct ath9k_hw_cal_data *caldata);
void ar9003_mci_reset(struct ath_hw *ah, bool en_int, bool is_2g,
bool is_full_sleep);
void ar9003_mci_get_isr(struct ath_hw *ah, enum ath9k_int *masked);
#else
static inline void ar9003_mci_stop_bt(struct ath_hw *ah, bool save_fullsleep)
{
}
static inline void ar9003_mci_init_cal_req(struct ath_hw *ah, bool *is_reusable)
{
}
static inline void ar9003_mci_init_cal_done(struct ath_hw *ah)
{
}
static inline void ar9003_mci_set_full_sleep(struct ath_hw *ah)
{
}
static inline void ar9003_mci_2g5g_switch(struct ath_hw *ah, bool wait_done)
{
}
static inline void ar9003_mci_check_bt(struct ath_hw *ah)
{
}
static inline bool ar9003_mci_start_reset(struct ath_hw *ah, struct ath9k_channel *chan)
{
return false;
}
static inline int ar9003_mci_end_reset(struct ath_hw *ah, struct ath9k_channel *chan,
struct ath9k_hw_cal_data *caldata)
{
return 0;
}
static inline void ar9003_mci_reset(struct ath_hw *ah, bool en_int, bool is_2g,
bool is_full_sleep)
{
}
static inline void ar9003_mci_get_isr(struct ath_hw *ah, enum ath9k_int *masked)
{
}
#endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */
#endif