nouveau_led.h 2.0 KB

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  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. #ifndef __NOUVEAU_LED_H__
  25. #define __NOUVEAU_LED_H__
  26. #include "nouveau_drv.h"
  27. struct led_classdev;
  28. struct nouveau_led {
  29. struct drm_device *dev;
  30. struct led_classdev led;
  31. };
  32. static inline struct nouveau_led *
  33. nouveau_led(struct drm_device *dev)
  34. {
  35. return nouveau_drm(dev)->led;
  36. }
  37. /* nouveau_led.c */
  38. #if IS_REACHABLE(CONFIG_LEDS_CLASS)
  39. int nouveau_led_init(struct drm_device *dev);
  40. void nouveau_led_suspend(struct drm_device *dev);
  41. void nouveau_led_resume(struct drm_device *dev);
  42. void nouveau_led_fini(struct drm_device *dev);
  43. #else
  44. static inline int nouveau_led_init(struct drm_device *dev) { return 0; };
  45. static inline void nouveau_led_suspend(struct drm_device *dev) { };
  46. static inline void nouveau_led_resume(struct drm_device *dev) { };
  47. static inline void nouveau_led_fini(struct drm_device *dev) { };
  48. #endif
  49. #endif