drivers/net/wireless/broadcom/b43/leds.h

Source file repositories/reference/linux-study-clean/drivers/net/wireless/broadcom/b43/leds.h

File Facts

System
Linux kernel
Corpus path
drivers/net/wireless/broadcom/b43/leds.h
Extension
.h
Size
1921 bytes
Lines
96
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 b43_led {
	struct b43_wl *wl;
	/* The LED class device */
	struct led_classdev led_dev;
	/* The index number of the LED. */
	u8 index;
	/* If activelow is true, the LED is ON if the
	 * bit is switched off. */
	bool activelow;
	/* The unique name string for this LED device. */
	char name[B43_LED_MAX_NAME_LEN + 1];
	/* The current status of the LED. This is updated locklessly. */
	atomic_t state;
	/* The active state in hardware. */
	bool hw_state;
};

struct b43_leds {
	struct b43_led led_tx;
	struct b43_led led_rx;
	struct b43_led led_radio;
	struct b43_led led_assoc;

	bool stop;
	struct work_struct work;
};

#define B43_MAX_NR_LEDS			4

#define B43_LED_BEHAVIOUR		0x7F
#define B43_LED_ACTIVELOW		0x80
/* LED behaviour values */
enum b43_led_behaviour {
	B43_LED_OFF,
	B43_LED_ON,
	B43_LED_ACTIVITY,
	B43_LED_RADIO_ALL,
	B43_LED_RADIO_A,
	B43_LED_RADIO_B,
	B43_LED_MODE_BG,
	B43_LED_TRANSFER,
	B43_LED_APTRANSFER,
	B43_LED_WEIRD,		//FIXME
	B43_LED_ASSOC,
	B43_LED_INACTIVE,
};

void b43_leds_register(struct b43_wldev *dev);
void b43_leds_unregister(struct b43_wl *wl);
void b43_leds_init(struct b43_wldev *dev);
void b43_leds_exit(struct b43_wldev *dev);
void b43_leds_stop(struct b43_wldev *dev);


#else /* CONFIG_B43_LEDS */
/* LED support disabled */

struct b43_leds {
	/* empty */
};

static inline void b43_leds_register(struct b43_wldev *dev)
{
}
static inline void b43_leds_unregister(struct b43_wl *wl)
{
}
static inline void b43_leds_init(struct b43_wldev *dev)
{
}
static inline void b43_leds_exit(struct b43_wldev *dev)
{
}
static inline void b43_leds_stop(struct b43_wldev *dev)
{
}
#endif /* CONFIG_B43_LEDS */

#endif /* B43_LEDS_H_ */

Annotation

Implementation Notes