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
45