209 lines
4.9 KiB
C
209 lines
4.9 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 WMI_H
|
|
#define WMI_H
|
|
|
|
struct wmi_event_txrate {
|
|
__be32 txrate;
|
|
struct {
|
|
u8 rssi_thresh;
|
|
u8 per;
|
|
} rc_stats;
|
|
} __packed;
|
|
|
|
struct wmi_cmd_hdr {
|
|
__be16 command_id;
|
|
__be16 seq_no;
|
|
} __packed;
|
|
|
|
struct wmi_fw_version {
|
|
__be16 major;
|
|
__be16 minor;
|
|
|
|
} __packed;
|
|
|
|
struct wmi_event_swba {
|
|
__be64 tsf;
|
|
u8 beacon_pending;
|
|
} __packed;
|
|
|
|
/*
|
|
* 64 - HTC header - WMI header - 1 / txstatus
|
|
* And some other hdr. space is also accounted for.
|
|
* 12 seems to be the magic number.
|
|
*/
|
|
#define HTC_MAX_TX_STATUS 12
|
|
|
|
#define ATH9K_HTC_TXSTAT_ACK BIT(0)
|
|
#define ATH9K_HTC_TXSTAT_FILT BIT(1)
|
|
#define ATH9K_HTC_TXSTAT_RTC_CTS BIT(2)
|
|
#define ATH9K_HTC_TXSTAT_MCS BIT(3)
|
|
#define ATH9K_HTC_TXSTAT_CW40 BIT(4)
|
|
#define ATH9K_HTC_TXSTAT_SGI BIT(5)
|
|
|
|
/*
|
|
* Legacy rates are indicated as indices.
|
|
* HT rates are indicated as dot11 numbers.
|
|
* This allows us to resrict the rate field
|
|
* to 4 bits.
|
|
*/
|
|
#define ATH9K_HTC_TXSTAT_RATE 0x0f
|
|
#define ATH9K_HTC_TXSTAT_RATE_S 0
|
|
|
|
#define ATH9K_HTC_TXSTAT_EPID 0xf0
|
|
#define ATH9K_HTC_TXSTAT_EPID_S 4
|
|
|
|
struct __wmi_event_txstatus {
|
|
u8 cookie;
|
|
u8 ts_rate; /* Also holds EP ID */
|
|
u8 ts_flags;
|
|
};
|
|
|
|
struct wmi_event_txstatus {
|
|
u8 cnt;
|
|
struct __wmi_event_txstatus txstatus[HTC_MAX_TX_STATUS];
|
|
} __packed;
|
|
|
|
enum wmi_cmd_id {
|
|
WMI_ECHO_CMDID = 0x0001,
|
|
WMI_ACCESS_MEMORY_CMDID,
|
|
|
|
/* Commands to Target */
|
|
WMI_GET_FW_VERSION,
|
|
WMI_DISABLE_INTR_CMDID,
|
|
WMI_ENABLE_INTR_CMDID,
|
|
WMI_ATH_INIT_CMDID,
|
|
WMI_ABORT_TXQ_CMDID,
|
|
WMI_STOP_TX_DMA_CMDID,
|
|
WMI_ABORT_TX_DMA_CMDID,
|
|
WMI_DRAIN_TXQ_CMDID,
|
|
WMI_DRAIN_TXQ_ALL_CMDID,
|
|
WMI_START_RECV_CMDID,
|
|
WMI_STOP_RECV_CMDID,
|
|
WMI_FLUSH_RECV_CMDID,
|
|
WMI_SET_MODE_CMDID,
|
|
WMI_NODE_CREATE_CMDID,
|
|
WMI_NODE_REMOVE_CMDID,
|
|
WMI_VAP_REMOVE_CMDID,
|
|
WMI_VAP_CREATE_CMDID,
|
|
WMI_REG_READ_CMDID,
|
|
WMI_REG_WRITE_CMDID,
|
|
WMI_RC_STATE_CHANGE_CMDID,
|
|
WMI_RC_RATE_UPDATE_CMDID,
|
|
WMI_TARGET_IC_UPDATE_CMDID,
|
|
WMI_TX_AGGR_ENABLE_CMDID,
|
|
WMI_TGT_DETACH_CMDID,
|
|
WMI_NODE_UPDATE_CMDID,
|
|
WMI_INT_STATS_CMDID,
|
|
WMI_TX_STATS_CMDID,
|
|
WMI_RX_STATS_CMDID,
|
|
WMI_BITRATE_MASK_CMDID,
|
|
WMI_REG_RMW_CMDID,
|
|
};
|
|
|
|
enum wmi_event_id {
|
|
WMI_TGT_RDY_EVENTID = 0x1001,
|
|
WMI_SWBA_EVENTID,
|
|
WMI_FATAL_EVENTID,
|
|
WMI_TXTO_EVENTID,
|
|
WMI_BMISS_EVENTID,
|
|
WMI_DELBA_EVENTID,
|
|
WMI_TXSTATUS_EVENTID,
|
|
};
|
|
|
|
#define MAX_CMD_NUMBER 62
|
|
#define MAX_RMW_CMD_NUMBER 15
|
|
|
|
struct register_write {
|
|
__be32 reg;
|
|
__be32 val;
|
|
};
|
|
|
|
struct register_rmw {
|
|
__be32 reg;
|
|
__be32 set;
|
|
__be32 clr;
|
|
} __packed;
|
|
|
|
struct ath9k_htc_tx_event {
|
|
int count;
|
|
struct __wmi_event_txstatus txs;
|
|
struct list_head list;
|
|
};
|
|
|
|
struct wmi {
|
|
struct ath9k_htc_priv *drv_priv;
|
|
struct htc_target *htc;
|
|
enum htc_endpoint_id ctrl_epid;
|
|
struct mutex op_mutex;
|
|
struct completion cmd_wait;
|
|
u16 last_seq_id;
|
|
struct sk_buff_head wmi_event_queue;
|
|
struct tasklet_struct wmi_event_tasklet;
|
|
u16 tx_seq_id;
|
|
u8 *cmd_rsp_buf;
|
|
u32 cmd_rsp_len;
|
|
bool stopped;
|
|
|
|
struct list_head pending_tx_events;
|
|
spinlock_t event_lock;
|
|
|
|
spinlock_t wmi_lock;
|
|
|
|
/* multi write section */
|
|
atomic_t mwrite_cnt;
|
|
struct register_write multi_write[MAX_CMD_NUMBER];
|
|
u32 multi_write_idx;
|
|
struct mutex multi_write_mutex;
|
|
|
|
/* multi rmw section */
|
|
atomic_t m_rmw_cnt;
|
|
struct register_rmw multi_rmw[MAX_RMW_CMD_NUMBER];
|
|
u32 multi_rmw_idx;
|
|
struct mutex multi_rmw_mutex;
|
|
|
|
};
|
|
|
|
struct wmi *ath9k_init_wmi(struct ath9k_htc_priv *priv);
|
|
int ath9k_wmi_connect(struct htc_target *htc, struct wmi *wmi,
|
|
enum htc_endpoint_id *wmi_ctrl_epid);
|
|
int ath9k_wmi_cmd(struct wmi *wmi, enum wmi_cmd_id cmd_id,
|
|
u8 *cmd_buf, u32 cmd_len,
|
|
u8 *rsp_buf, u32 rsp_len,
|
|
u32 timeout);
|
|
void ath9k_wmi_event_tasklet(unsigned long data);
|
|
void ath9k_fatal_work(struct work_struct *work);
|
|
void ath9k_wmi_event_drain(struct ath9k_htc_priv *priv);
|
|
void ath9k_stop_wmi(struct ath9k_htc_priv *priv);
|
|
void ath9k_destoy_wmi(struct ath9k_htc_priv *priv);
|
|
|
|
#define WMI_CMD(_wmi_cmd) \
|
|
do { \
|
|
ret = ath9k_wmi_cmd(priv->wmi, _wmi_cmd, NULL, 0, \
|
|
(u8 *) &cmd_rsp, \
|
|
sizeof(cmd_rsp), HZ*2); \
|
|
} while (0)
|
|
|
|
#define WMI_CMD_BUF(_wmi_cmd, _buf) \
|
|
do { \
|
|
ret = ath9k_wmi_cmd(priv->wmi, _wmi_cmd, \
|
|
(u8 *) _buf, sizeof(*_buf), \
|
|
&cmd_rsp, sizeof(cmd_rsp), HZ*2); \
|
|
} while (0)
|
|
|
|
#endif /* WMI_H */
|