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leds.h
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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_ */
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