Root/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
32struct 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

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