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