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81 lines
3.0 KiB
81 lines
3.0 KiB
20 years ago
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#ifndef __SOUND_AK4531_CODEC_H
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#define __SOUND_AK4531_CODEC_H
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/*
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* Copyright (c) by Jaroslav Kysela <perex@suse.cz>
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* Universal interface for Audio Codec '97
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*
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* For more details look to AC '97 component specification revision 2.1
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* by Intel Corporation (http://developer.intel.com).
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*
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*
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* This program 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 program 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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*/
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#include "info.h"
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#include "control.h"
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/*
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* ASAHI KASEI - AK4531 codec
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* - not really AC'97 codec, but it uses very similar interface as AC'97
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*/
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/*
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* AK4531 codec registers
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*/
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#define AK4531_LMASTER 0x00 /* master volume left */
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#define AK4531_RMASTER 0x01 /* master volume right */
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#define AK4531_LVOICE 0x02 /* channel volume left */
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#define AK4531_RVOICE 0x03 /* channel volume right */
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#define AK4531_LFM 0x04 /* FM volume left */
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#define AK4531_RFM 0x05 /* FM volume right */
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#define AK4531_LCD 0x06 /* CD volume left */
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#define AK4531_RCD 0x07 /* CD volume right */
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#define AK4531_LLINE 0x08 /* LINE volume left */
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#define AK4531_RLINE 0x09 /* LINE volume right */
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#define AK4531_LAUXA 0x0a /* AUXA volume left */
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#define AK4531_RAUXA 0x0b /* AUXA volume right */
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#define AK4531_MONO1 0x0c /* MONO1 volume left */
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#define AK4531_MONO2 0x0d /* MONO1 volume right */
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#define AK4531_MIC 0x0e /* MIC volume */
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#define AK4531_MONO_OUT 0x0f /* Mono-out volume */
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#define AK4531_OUT_SW1 0x10 /* Output mixer switch 1 */
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#define AK4531_OUT_SW2 0x11 /* Output mixer switch 2 */
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#define AK4531_LIN_SW1 0x12 /* Input left mixer switch 1 */
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#define AK4531_RIN_SW1 0x13 /* Input right mixer switch 1 */
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#define AK4531_LIN_SW2 0x14 /* Input left mixer switch 2 */
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#define AK4531_RIN_SW2 0x15 /* Input right mixer switch 2 */
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#define AK4531_RESET 0x16 /* Reset & power down */
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#define AK4531_CLOCK 0x17 /* Clock select */
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#define AK4531_AD_IN 0x18 /* AD input select */
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#define AK4531_MIC_GAIN 0x19 /* MIC amplified gain */
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typedef struct _snd_ak4531 ak4531_t;
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struct _snd_ak4531 {
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void (*write) (ak4531_t *ak4531, unsigned short reg, unsigned short val);
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void *private_data;
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void (*private_free) (ak4531_t *ak4531);
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/* --- */
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unsigned char regs[0x20];
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struct semaphore reg_mutex;
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};
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int snd_ak4531_mixer(snd_card_t * card, ak4531_t * _ak4531, ak4531_t ** rak4531);
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#endif /* __SOUND_AK4531_CODEC_H */
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