1 /* $NetBSD: nouveau_led.h,v 1.3 2021/12/19 10:50:13 riastradh Exp $ */
2
3 /*
4 * Copyright 2015 Martin Peres
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: Martin Peres <martin.peres@free.fr>
25 */
26
27 #ifndef __NOUVEAU_LED_H__
28 #define __NOUVEAU_LED_H__
29
30 #include "nouveau_drv.h"
31
32 struct led_classdev;
33
34 struct nouveau_led {
35 struct drm_device *dev;
36
37 #if IS_REACHABLE(CONFIG_LEDS_CLASS)
38 struct led_classdev led;
39 #endif
40 };
41
42 static inline struct nouveau_led *
nouveau_led(struct drm_device * dev)43 nouveau_led(struct drm_device *dev)
44 {
45 return nouveau_drm(dev)->led;
46 }
47
48 /* nouveau_led.c */
49 #if IS_REACHABLE(CONFIG_LEDS_CLASS)
50 int nouveau_led_init(struct drm_device *dev);
51 void nouveau_led_suspend(struct drm_device *dev);
52 void nouveau_led_resume(struct drm_device *dev);
53 void nouveau_led_fini(struct drm_device *dev);
54 #else
nouveau_led_init(struct drm_device * dev)55 static inline int nouveau_led_init(struct drm_device *dev) { return 0; };
nouveau_led_suspend(struct drm_device * dev)56 static inline void nouveau_led_suspend(struct drm_device *dev) { };
nouveau_led_resume(struct drm_device * dev)57 static inline void nouveau_led_resume(struct drm_device *dev) { };
nouveau_led_fini(struct drm_device * dev)58 static inline void nouveau_led_fini(struct drm_device *dev) { };
59 #endif
60
61 #endif
62