include/sound/hda_hwdep.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * HWDEP Interface for HD-audio codec
   4  *
   5  * Copyright (c) 2007 Takashi Iwai <tiwai@suse.de>
   6  */
   7
   8 #ifndef __SOUND_HDA_HWDEP_H
   9 #define __SOUND_HDA_HWDEP_H
  10
  11 #define HDA_HWDEP_VERSION       ((1 << 16) | (0 << 8) | (0 << 0)) /* 1.0.0 */
  12
  13 /* verb */
  14 #define HDA_REG_NID_SHIFT       24
  15 #define HDA_REG_VERB_SHIFT      8
  16 #define HDA_REG_VAL_SHIFT       0
  17 #define HDA_VERB(nid,verb,param)        ((nid)<<24 | (verb)<<8 | (param))
  18
  19 struct hda_verb_ioctl {
  20         u32 verb;       /* HDA_VERB() */
  21         u32 res;        /* response */
  22 };
  23
  24 /*
  25  * ioctls
  26  */
  27 #define HDA_IOCTL_PVERSION              _IOR('H', 0x10, int)
  28 #define HDA_IOCTL_VERB_WRITE            _IOWR('H', 0x11, struct hda_verb_ioctl)
  29 #define HDA_IOCTL_GET_WCAP              _IOWR('H', 0x12, struct hda_verb_ioctl)
  30
  31 #endif