2 * HWDEP Interface for HD-audio codec
4 * Copyright (c) 2007 Takashi Iwai <tiwai@suse.de>
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.
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.
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
21 #ifndef __SOUND_HDA_HWDEP_H
22 #define __SOUND_HDA_HWDEP_H
24 #define HDA_HWDEP_VERSION ((1 << 16) | (0 << 8) | (0 << 0)) /* 1.0.0 */
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))
32 struct hda_verb_ioctl {
33 u32 verb; /* HDA_VERB() */
34 u32 res; /* response */
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)