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
19struct 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
32