| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| /* |
| * HWDEP Interface for HD-audio codec |
| * |
| * Copyright (c) 2007 Takashi Iwai <tiwai@suse.de> |
| */ |
| |
| #ifndef __SOUND_HDA_HWDEP_H |
| #define __SOUND_HDA_HWDEP_H |
| |
| #define HDA_HWDEP_VERSION ((1 << 16) | (0 << 8) | (0 << 0)) /* 1.0.0 */ |
| |
| /* verb */ |
| #define HDA_REG_NID_SHIFT 24 |
| #define HDA_REG_VERB_SHIFT 8 |
| #define HDA_REG_VAL_SHIFT 0 |
| #define HDA_VERB(nid,verb,param) ((nid)<<24 | (verb)<<8 | (param)) |
| |
| struct hda_verb_ioctl { |
| u32 verb; /* HDA_VERB() */ |
| u32 res; /* response */ |
| }; |
| |
| /* |
| * ioctls |
| */ |
| #define HDA_IOCTL_PVERSION _IOR('H', 0x10, int) |
| #define HDA_IOCTL_VERB_WRITE _IOWR('H', 0x11, struct hda_verb_ioctl) |
| #define HDA_IOCTL_GET_WCAP _IOWR('H', 0x12, struct hda_verb_ioctl) |
| |
| #endif |
