drivers/net/wireless/ath/ath9k/btcoex.h

Source file repositories/reference/linux-study-clean/drivers/net/wireless/ath/ath9k/btcoex.h

File Facts

System
Linux kernel
Corpus path
drivers/net/wireless/ath/ath9k/btcoex.h
Extension
.h
Size
3940 bytes
Lines
140
Domain
Driver Families
Bucket
drivers/net
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct ath9k_hw_mci {
	u32 raw_intr;
	u32 rx_msg_intr;
	u32 cont_status;
	u32 gpm_addr;
	u32 gpm_len;
	u32 gpm_idx;
	u32 sched_addr;
	u32 wlan_channels[4];
	u32 wlan_cal_seq;
	u32 wlan_cal_done;
	u32 config;
	u8 *gpm_buf;
	bool ready;
	bool update_2g5g;
	bool is_2g;
	bool query_bt;
	bool unhalt_bt_gpm; /* need send UNHALT */
	bool halted_bt_gpm; /* HALT sent */
	bool need_flush_btinfo;
	bool bt_version_known;
	bool wlan_channels_update;
	u8 wlan_ver_major;
	u8 wlan_ver_minor;
	u8 bt_ver_major;
	u8 bt_ver_minor;
	u8 bt_state;
	u8 stomp_ftp;
	bool concur_tx;
	u32 last_recovery;
};

struct ath9k_hw_aic {
	bool aic_enabled;
	u8 aic_cal_state;
	u8 aic_caled_chan;
	u32 aic_sram[ATH_AIC_MAX_BT_CHANNEL];
	u32 aic_cal_start_time;
};

struct ath_btcoex_hw {
	enum ath_btcoex_scheme scheme;
	struct ath9k_hw_mci mci;
	struct ath9k_hw_aic aic;
	bool enabled;
	u8 wlanactive_gpio;
	u8 btactive_gpio;
	u8 btpriority_gpio;
	u32 bt_coex_mode; 	/* Register setting for AR_BT_COEX_MODE */
	u32 bt_coex_weights; 	/* Register setting for AR_BT_COEX_WEIGHT */
	u32 bt_coex_mode2; 	/* Register setting for AR_BT_COEX_MODE2 */
	u32 bt_coex_mode3;	/* Register setting for AR_BT_COEX_MODE3 */
	u32 bt_weight[AR9300_NUM_BT_WEIGHTS];
	u32 wlan_weight[AR9300_NUM_WLAN_WEIGHTS];
	u8 tx_prio[ATH_BTCOEX_STOMP_MAX];
};

void ath9k_hw_btcoex_init_scheme(struct ath_hw *ah);
void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah);
void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah);
void ath9k_hw_btcoex_deinit(struct ath_hw *ah);
void ath9k_hw_btcoex_init_mci(struct ath_hw *ah);
void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum);
void ath9k_hw_btcoex_set_weight(struct ath_hw *ah,
				u32 bt_weight,
				u32 wlan_weight,
				enum ath_stomp_type stomp_type);
void ath9k_hw_btcoex_disable(struct ath_hw *ah);
void ath9k_hw_btcoex_bt_stomp(struct ath_hw *ah,
			      enum ath_stomp_type stomp_type);
void ath9k_hw_btcoex_set_concur_txprio(struct ath_hw *ah, u8 *stomp_txprio);

#endif

Annotation

Implementation Notes