include/sound/hda_hwdep.h

   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
  21 #ifndef __SOUND_HDA_HWDEP_H
  22 #define __SOUND_HDA_HWDEP_H
  23
  24 #define HDA_HWDEP_VERSION       ((1 << 16) | (0 << 8) | (0 << 0)) /* 1.0.0 */
  25
  26 /* verb */
  27 #define HDA_REG_NID_SHIFT       24
  28 #define HDA_REG_VERB_SHIFT      8
  29 #define HDA_REG_VAL_SHIFT       0
  30 #define HDA_VERB(nid,verb,param)        ((nid)<<24 | (verb)<<8 | (param))
  31
  32 struct hda_verb_ioctl {
  33         u32 verb;       /* HDA_VERB() */
  34         u32 res;        /* response */
  35 };
  36
  37 /*
  38  * ioctls
  39  */
  40 #define HDA_IOCTL_PVERSION              _IOR('H', 0x10, int)
  41 #define HDA_IOCTL_VERB_WRITE            _IOWR('H', 0x11, struct hda_verb_ioctl)
  42 #define HDA_IOCTL_GET_WCAP              _IOWR('H', 0x12, struct hda_verb_ioctl)
  43
  44 #endif