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