/*	$NetBSD: ac97reg.h,v 1.1 2000/05/15 01:32:03 thorpej Exp $	*/

/*
 * Copyright (c) 1999 Constantine Sapuntzakis
 *
 * Author:        Constantine Sapuntzakis <csapuntz@stanford.edu>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY CONSTANTINE SAPUNTZAKIS AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#define AC97_REG_RESET                0x00
#define AC97_SOUND_ENHANCEMENT(reg)   (((reg) >> 10) & 0x1f)
#define AC97_REG_MASTER_VOLUME        0x02
#define AC97_REG_HEADPHONE_VOLUME     0x04
#define AC97_REG_MASTER_VOLUME_MONO   0x06
#define AC97_REG_MASTER_TONE          0x08
#define AC97_REG_PCBEEP_VOLUME        0x0a
#define AC97_REG_PHONE_VOLUME         0x0c
#define AC97_REG_MIC_VOLUME           0x0e
#define AC97_REG_LINEIN_VOLUME        0x10
#define AC97_REG_CD_VOLUME            0x12
#define AC97_REG_VIDEO_VOLUME         0x14
#define AC97_REG_AUX_VOLUME           0x16
#define AC97_REG_PCMOUT_VOLUME        0x18
#define AC97_REG_RECORD_SELECT        0x1a
#define AC97_REG_RECORD_GAIN          0x1c
#define AC97_REG_RECORD_GAIN_MIC      0x1e
#define AC97_REG_GP                   0x20
#define AC97_REG_3D_CONTROL           0x22
#define AC97_REG_POWER                0x26
#define AC97_REG_VENDOR_ID1           0x7c
#define AC97_REG_VENDOR_ID2           0x7e

#define AC97_CODEC_ID(a0, a1, a2, x)					\
	(((a0) << 24) | ((a1) << 16) | ((a2) << 8) | (x))

#define	AC97_GET_CODEC_ID(id, cp)					\
do {									\
	(cp)[0] = ((id) >> 24) & 0xff;					\
	(cp)[1] = ((id) >> 16) & 0xff;					\
	(cp)[2] = ((id) >> 8)  & 0xff;					\
	(cp)[3] = (id) & 0xff;						\
} while (0)