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
19 struct 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
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.