32 lines · c
1/* SPDX-License-Identifier: GPL-2.0-or-later */2/*3 * HWDEP Interface for HD-audio codec4 *5 * Copyright (c) 2007 Takashi Iwai <tiwai@suse.de>6 */7 8#ifndef __SOUND_HDA_HWDEP_H9#define __SOUND_HDA_HWDEP_H10 11#define HDA_HWDEP_VERSION ((1 << 16) | (0 << 8) | (0 << 0)) /* 1.0.0 */12 13/* verb */14#define HDA_REG_NID_SHIFT 2415#define HDA_REG_VERB_SHIFT 816#define HDA_REG_VAL_SHIFT 017#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 * ioctls26 */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#endif32