root/src/add-ons/kernel/drivers/audio/emuxki/ac97.h
/*
 * Emuxki BeOS Driver for Creative Labs SBLive!/Audigy series
 *
 * Copyright (c) 2002, Jerome Duval (jerome.duval@free.fr)
 *
 * Original code : BeOS Driver for Intel ICH AC'97 Link interface
 * Copyright (c) 2002, Marcus Overhagen <marcus@overhagen.de>
 *
 * All rights reserved.
 * Redistribution and use in source and binary forms, with or without modification, 
 * are permitted provided that the following conditions are met:
 *
 * - Redistributions of source code must retain the above copyright notice, 
 *   this list of conditions and the following disclaimer.
 * - 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 THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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.
 *
 */
#ifndef _AC97_H_
#define _AC97_H_

#include "config.h"

enum AC97_REGISTER {
        AC97_RESET                              = 0x00,
        AC97_MASTER_VOLUME              = 0x02,
        AC97_AUX_OUT_VOLUME             = 0x04,
        AC97_MONO_VOLUME                = 0x06,
        AC97_MASTER_TONE                = 0x08,
        AC97_PC_BEEP_VOLUME             = 0x0A,
        AC97_PHONE_VOLUME               = 0x0C,
        AC97_MIC_VOLUME                 = 0x0E,
        AC97_LINE_IN_VOLUME             = 0x10,
        AC97_CD_VOLUME                  = 0x12,
        AC97_VIDEO_VOLUME               = 0x14,
        AC97_AUX_IN_VOLUME              = 0x16,
        AC97_PCM_OUT_VOLUME             = 0x18,
        AC97_RECORD_SELECT              = 0x1A,
        AC97_RECORD_GAIN                = 0x1C,
        AC97_RECORD_GAIN_MIC    = 0x1E,
        AC97_GENERAL_PURPOSE    = 0x20,
        AC97_3D_CONTROL                 = 0x22,
        AC97_PAGING                             = 0x24,
        AC97_POWERDOWN                  = 0x26,
        AC97_EXTENDED_AUDIO_ID  = 0x28,
        AC97_EXTENDED_AUDIO_STATUS      = 0x2A,
        AC97_PCM_FRONT_DAC_RATE = 0x2C,
        AC97_PCM_SURR_DAC_RATE  = 0x2E,
        AC97_PCM_LFE_DAC_RATE   = 0x30,
        AC97_PCM_LR_ADC_RATE    = 0x32,
        AC97_MIC_ADC_RATE               = 0x34,
        AC97_CENTER_LFE_VOLUME  = 0x36,
        AC97_SURROUND_VOLUME    = 0x38,
        AC97_SPDIF_CONTROL              = 0x3A,
        AC97_VENDOR_ID1                 = 0x7C,
        AC97_VENDOR_ID2                 = 0x7E
};

const char *    ac97_get_3d_stereo_enhancement(device_config *config);
const char *    ac97_get_vendor_id_description(device_config *config);
uint32                  ac97_get_vendor_id(device_config *config);
void                    ac97_init(device_config *config);

void ac97_amp_enable(device_config *config, bool yesno);

typedef enum {
        B_MIX_GAIN = 1 << 0,
        B_MIX_MUTE = 1 << 1,
        B_MIX_MONO = 1 << 2,
        B_MIX_STEREO = 1 << 3,
        B_MIX_MUX = 1 << 4,
        B_MIX_MICBOOST = 1 << 5,
        B_MIX_RECORDMUX = 1 << 6
} ac97_mixer_type;

typedef struct _ac97_source_info {
        const char *name;
        ac97_mixer_type  type;
        
        int32   id;
        uint8   reg;
        uint16  default_value;
        uint8   bits:3;
        uint8   ofs:4;
        uint8   mute:1;
        uint8   polarity:1; // max_gain -> 0
        float   min_gain;
        float   max_gain;
        float   granularity;
} ac97_source_info;

extern const ac97_source_info source_info[];
extern const int32 source_info_size;

#endif