1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef B43_LEDS_H_
3 #define B43_LEDS_H_
4 
5 struct b43_wl;
6 struct b43_wldev;
7 
8 #ifdef CONFIG_B43_LEDS
9 
10 #include <linux/types.h>
11 #include <linux/leds.h>
12 #include <linux/workqueue.h>
13 
14 
15 #define B43_LED_MAX_NAME_LEN	31
16 
17 struct b43_led {
18 	struct b43_wl *wl;
19 	/* The LED class device */
20 	struct led_classdev led_dev;
21 	/* The index number of the LED. */
22 	u8 index;
23 	/* If activelow is true, the LED is ON if the
24 	 * bit is switched off. */
25 	bool activelow;
26 	/* The unique name string for this LED device. */
27 	char name[B43_LED_MAX_NAME_LEN + 1];
28 	/* The current status of the LED. This is updated locklessly. */
29 	atomic_t state;
30 	/* The active state in hardware. */
31 	bool hw_state;
32 };
33 
34 struct b43_leds {
35 	struct b43_led led_tx;
36 	struct b43_led led_rx;
37 	struct b43_led led_radio;
38 	struct b43_led led_assoc;
39 
40 	bool stop;
41 	struct work_struct work;
42 };
43 
44 #define B43_MAX_NR_LEDS			4
45 
46 #define B43_LED_BEHAVIOUR		0x7F
47 #define B43_LED_ACTIVELOW		0x80
48 /* LED behaviour values */
49 enum b43_led_behaviour {
50 	B43_LED_OFF,
51 	B43_LED_ON,
52 	B43_LED_ACTIVITY,
53 	B43_LED_RADIO_ALL,
54 	B43_LED_RADIO_A,
55 	B43_LED_RADIO_B,
56 	B43_LED_MODE_BG,
57 	B43_LED_TRANSFER,
58 	B43_LED_APTRANSFER,
59 	B43_LED_WEIRD,		//FIXME
60 	B43_LED_ASSOC,
61 	B43_LED_INACTIVE,
62 };
63 
64 void b43_leds_register(struct b43_wldev *dev);
65 void b43_leds_unregister(struct b43_wl *wl);
66 void b43_leds_init(struct b43_wldev *dev);
67 void b43_leds_exit(struct b43_wldev *dev);
68 void b43_leds_stop(struct b43_wldev *dev);
69 
70 
71 #else /* CONFIG_B43_LEDS */
72 /* LED support disabled */
73 
74 struct b43_leds {
75 	/* empty */
76 };
77 
78 static inline void b43_leds_register(struct b43_wldev *dev)
79 {
80 }
81 static inline void b43_leds_unregister(struct b43_wl *wl)
82 {
83 }
84 static inline void b43_leds_init(struct b43_wldev *dev)
85 {
86 }
87 static inline void b43_leds_exit(struct b43_wldev *dev)
88 {
89 }
90 static inline void b43_leds_stop(struct b43_wldev *dev)
91 {
92 }
93 #endif /* CONFIG_B43_LEDS */
94 
95 #endif /* B43_LEDS_H_ */
96