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45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
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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 <tiwai@suse.de>
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*
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* This driver is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This driver is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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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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