hda_hwdep.h 1.4 KB

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  1. /*
  2. * HWDEP Interface for HD-audio codec
  3. *
  4. * Copyright (c) 2007 Takashi Iwai <tiwai@suse.de>
  5. *
  6. * This driver is free software; you can redistribute it and/or modify
  7. * it under the terms of the GNU General Public License as published by
  8. * the Free Software Foundation; either version 2 of the License, or
  9. * (at your option) any later version.
  10. *
  11. * This driver is distributed in the hope that it will be useful,
  12. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14. * GNU General Public License for more details.
  15. *
  16. * You should have received a copy of the GNU General Public License
  17. * along with this program; if not, write to the Free Software
  18. * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  19. */
  20. #ifndef __SOUND_HDA_HWDEP_H
  21. #define __SOUND_HDA_HWDEP_H
  22. #define HDA_HWDEP_VERSION ((1 << 16) | (0 << 8) | (0 << 0)) /* 1.0.0 */
  23. /* verb */
  24. #define HDA_REG_NID_SHIFT 24
  25. #define HDA_REG_VERB_SHIFT 8
  26. #define HDA_REG_VAL_SHIFT 0
  27. #define HDA_VERB(nid,verb,param) ((nid)<<24 | (verb)<<8 | (param))
  28. struct hda_verb_ioctl {
  29. u32 verb; /* HDA_VERB() */
  30. u32 res; /* response */
  31. };
  32. /*
  33. * ioctls
  34. */
  35. #define HDA_IOCTL_PVERSION _IOR('H', 0x10, int)
  36. #define HDA_IOCTL_VERB_WRITE _IOWR('H', 0x11, struct hda_verb_ioctl)
  37. #define HDA_IOCTL_GET_WCAP _IOWR('H', 0x12, struct hda_verb_ioctl)
  38. #endif