Linux Kernel  3.7.1
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
hda_hwdep.h
Go to the documentation of this file.
1 /*
2  * HWDEP Interface for HD-audio codec
3  *
4  * Copyright (c) 2007 Takashi Iwai <[email protected]>
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 
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