1 /*
2 * Copyright 2015 Martin Peres
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: Martin Peres <martin.peres@free.fr>
23 */
24
25 #ifndef __NOUVEAU_LED_H__
26 #define __NOUVEAU_LED_H__
27
28 #include "nouveau_drv.h"
29
30 #include <linux/leds.h>
31
32 struct nouveau_led {
33 struct drm_device *dev;
34
35 struct led_classdev led;
36 };
37
38 static inline struct nouveau_led *
nouveau_led(struct drm_device * dev)39 nouveau_led(struct drm_device *dev)
40 {
41 return nouveau_drm(dev)->led;
42 }
43
44 /* nouveau_led.c */
45 #if IS_REACHABLE(CONFIG_LEDS_CLASS)
46 int nouveau_led_init(struct drm_device *dev);
47 void nouveau_led_suspend(struct drm_device *dev);
48 void nouveau_led_resume(struct drm_device *dev);
49 void nouveau_led_fini(struct drm_device *dev);
50 #else
nouveau_led_init(struct drm_device * dev)51 static inline int nouveau_led_init(struct drm_device *dev) { return 0; };
nouveau_led_suspend(struct drm_device * dev)52 static inline void nouveau_led_suspend(struct drm_device *dev) { };
nouveau_led_resume(struct drm_device * dev)53 static inline void nouveau_led_resume(struct drm_device *dev) { };
nouveau_led_fini(struct drm_device * dev)54 static inline void nouveau_led_fini(struct drm_device *dev) { };
55 #endif
56
57 #endif
58