1 #ifndef B43_LEDS_H_
2 #define B43_LEDS_H_
3 
4 struct b43_wl;
5 struct b43_wldev;
6 
7 #ifdef CONFIG_B43_LEDS
8 
9 #include <linux/types.h>
10 #include <linux/leds.h>
11 #include <linux/workqueue.h>
12 
13 
14 #define B43_LED_MAX_NAME_LEN	31
15 
16 struct b43_led {
17 	struct b43_wl *wl;
18 	/* The LED class device */
19 	struct led_classdev led_dev;
20 	/* The index number of the LED. */
21 	u8 index;
22 	/* If activelow is true, the LED is ON if the
23 	 * bit is switched off. */
24 	bool activelow;
25 	/* The unique name string for this LED device. */
26 	char name[B43_LED_MAX_NAME_LEN + 1];
27 	/* The current status of the LED. This is updated locklessly. */
28 	atomic_t state;
29 	/* The active state in hardware. */
30 	bool hw_state;
31 };
32 
33 struct b43_leds {
34 	struct b43_led led_tx;
35 	struct b43_led led_rx;
36 	struct b43_led led_radio;
37 	struct b43_led led_assoc;
38 
39 	bool stop;
40 	struct work_struct work;
41 };
42 
43 #define B43_MAX_NR_LEDS			4
44 
45 #define B43_LED_BEHAVIOUR		0x7F
46 #define B43_LED_ACTIVELOW		0x80
47 /* LED behaviour values */
48 enum b43_led_behaviour {
49 	B43_LED_OFF,
50 	B43_LED_ON,
51 	B43_LED_ACTIVITY,
52 	B43_LED_RADIO_ALL,
53 	B43_LED_RADIO_A,
54 	B43_LED_RADIO_B,
55 	B43_LED_MODE_BG,
56 	B43_LED_TRANSFER,
57 	B43_LED_APTRANSFER,
58 	B43_LED_WEIRD,		//FIXME
59 	B43_LED_ASSOC,
60 	B43_LED_INACTIVE,
61 };
62 
63 void b43_leds_register(struct b43_wldev *dev);
64 void b43_leds_unregister(struct b43_wl *wl);
65 void b43_leds_init(struct b43_wldev *dev);
66 void b43_leds_exit(struct b43_wldev *dev);
67 void b43_leds_stop(struct b43_wldev *dev);
68 
69 
70 #else /* CONFIG_B43_LEDS */
71 /* LED support disabled */
72 
73 struct b43_leds {
74 	/* empty */
75 };
76 
77 static inline void b43_leds_register(struct b43_wldev *dev)
78 {
79 }
80 static inline void b43_leds_unregister(struct b43_wl *wl)
81 {
82 }
83 static inline void b43_leds_init(struct b43_wldev *dev)
84 {
85 }
86 static inline void b43_leds_exit(struct b43_wldev *dev)
87 {
88 }
89 static inline void b43_leds_stop(struct b43_wldev *dev)
90 {
91 }
92 #endif /* CONFIG_B43_LEDS */
93 
94 #endif /* B43_LEDS_H_ */
95