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