85 lines
3.2 KiB
C
85 lines
3.2 KiB
C
/* $NetBSD: ac97reg.h,v 1.4 2002/02/02 11:13:44 augustss Exp $ */
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/*
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* Copyright (c) 1999 Constantine Sapuntzakis
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*
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* Author: Constantine Sapuntzakis <csapuntz@stanford.edu>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY CONSTANTINE SAPUNTZAKIS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#define AC97_REG_RESET 0x00
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#define AC97_SOUND_ENHANCEMENT(reg) (((reg) >> 10) & 0x1f)
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#define AC97_REG_MASTER_VOLUME 0x02
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#define AC97_REG_HEADPHONE_VOLUME 0x04
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#define AC97_REG_MASTER_VOLUME_MONO 0x06
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#define AC97_REG_MASTER_TONE 0x08
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#define AC97_REG_PCBEEP_VOLUME 0x0a
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#define AC97_REG_PHONE_VOLUME 0x0c
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#define AC97_REG_MIC_VOLUME 0x0e
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#define AC97_REG_LINEIN_VOLUME 0x10
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#define AC97_REG_CD_VOLUME 0x12
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#define AC97_REG_VIDEO_VOLUME 0x14
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#define AC97_REG_AUX_VOLUME 0x16
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#define AC97_REG_PCMOUT_VOLUME 0x18
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#define AC97_REG_RECORD_SELECT 0x1a
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#define AC97_REG_RECORD_GAIN 0x1c
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#define AC97_REG_RECORD_GAIN_MIC 0x1e
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#define AC97_REG_GP 0x20
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#define AC97_REG_3D_CONTROL 0x22
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/* 0x24 reserved */
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#define AC97_REG_POWER 0x26
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/* AC'97 2.0 extensions -- 0x28-0x3a */
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#define AC97_REG_EXTENDED_ID 0x28
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#define AC97_CODEC_DOES_VRA 0x0001
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#define AC97_CODEC_DOES_MICVRA 0x0004
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#define AC97_REG_EXTENDED_STATUS 0x2a
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#define AC97_ENAB_VRA 0x0001
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#define AC97_ENAB_MICVRA 0x0004
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#define AC97_REG_PCM_FRONT_DAC_RATE 0x2c
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#define AC97_REG_PCM_SURR_DAC_RATE 0x2e
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#define AC97_REG_PCM_LFE_DAC_RATE 0x30
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#define AC97_REG_PCM_LR_ADC_RATE 0x32
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#define AC97_REG_PCM_MIC_ADC_RATE 0x34
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#define AC97_REG_CENTER_LFE_MASTER 0x36 /* center + LFE master volume */
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#define AC97_REG_SURR_MASTER 0x38 /* surround (rear) master vol */
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/* 0x3a reserved */
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/* Modem -- 0x3c-0x58 */
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/* Vendor specific -- 0x5a-0x7b */
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#define AC97_REG_VENDOR_ID1 0x7c
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#define AC97_REG_VENDOR_ID2 0x7e
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#define AC97_CODEC_ID(a0, a1, a2, x) \
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(((a0) << 24) | ((a1) << 16) | ((a2) << 8) | (x))
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#define AC97_GET_CODEC_ID(id, cp) \
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do { \
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(cp)[0] = ((id) >> 24) & 0xff; \
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(cp)[1] = ((id) >> 16) & 0xff; \
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(cp)[2] = ((id) >> 8) & 0xff; \
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(cp)[3] = (id) & 0xff; \
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} while (0)
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