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#ifndef __SOUND_ES1688_H
#define __SOUND_ES1688_H

/*
 *  Header file for ES488/ES1688
 *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
 *
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 *
 */

#include "control.h"
#include "pcm.h"
#include <linux/interrupt.h>

#define ES1688_HW_AUTO        0x0000
#define ES1688_HW_688        0x0001
#define ES1688_HW_1688        0x0002

struct snd_es1688 {
    unsigned long port;        /* port of ESS chip */
    struct resource *res_port;
    unsigned long mpu_port;        /* MPU-401 port of ESS chip */
    int irq;            /* IRQ number of ESS chip */
    int mpu_irq;            /* MPU IRQ */
    int dma8;            /* 8-bit DMA */
    unsigned short version;        /* version of ESS chip */
    unsigned short hardware;    /* see to ES1688_HW_XXXX */

    unsigned short trigger_value;
    unsigned char pad;
    unsigned int dma_size;

    struct snd_pcm *pcm;
    struct snd_pcm_substream *playback_substream;
    struct snd_pcm_substream *capture_substream;

    spinlock_t reg_lock;
    spinlock_t mixer_lock;
};

/* I/O ports */

#define ES1688P(codec, x) ((codec)->port + e_s_s_ESS1688##x)

#define e_s_s_ESS1688RESET    0x6
#define e_s_s_ESS1688READ    0xa
#define e_s_s_ESS1688WRITE    0xc
#define e_s_s_ESS1688COMMAND    0xc
#define e_s_s_ESS1688STATUS    0xc
#define e_s_s_ESS1688DATA_AVAIL    0xe
#define e_s_s_ESS1688DATA_AVAIL_16 0xf
#define e_s_s_ESS1688MIXER_ADDR    0x4
#define e_s_s_ESS1688MIXER_DATA    0x5
#define e_s_s_ESS1688OPL3_LEFT    0x0
#define e_s_s_ESS1688OPL3_RIGHT    0x2
#define e_s_s_ESS1688OPL3_BOTH    0x8
#define e_s_s_ESS1688ENABLE0    0x0
#define e_s_s_ESS1688ENABLE1    0x9
#define e_s_s_ESS1688ENABLE2    0xb
#define e_s_s_ESS1688INIT1    0x7

#define ES1688_DSP_CMD_DMAOFF    0xd0
#define ES1688_DSP_CMD_SPKON    0xd1
#define ES1688_DSP_CMD_SPKOFF    0xd3
#define ES1688_DSP_CMD_DMAON    0xd4

#define ES1688_PCM_DEV        0x14
#define ES1688_MIC_DEV        0x1a
#define ES1688_REC_DEV        0x1c
#define ES1688_MASTER_DEV    0x32
#define ES1688_FM_DEV        0x36
#define ES1688_CD_DEV        0x38
#define ES1688_AUX_DEV        0x3a
#define ES1688_SPEAKER_DEV    0x3c
#define ES1688_LINE_DEV        0x3e
#define ES1688_RECLEV_DEV    0xb4

#define ES1688_MIXS_MASK    0x17
#define ES1688_MIXS_MIC        0x00
#define ES1688_MIXS_MIC_MASTER    0x01
#define ES1688_MIXS_CD        0x02
#define ES1688_MIXS_AOUT    0x03
#define ES1688_MIXS_MIC1    0x04
#define ES1688_MIXS_REC_MIX    0x05
#define ES1688_MIXS_LINE    0x06
#define ES1688_MIXS_MASTER    0x07
#define ES1688_MIXS_MUTE    0x10

/*

 */

void snd_es1688_mixer_write(struct snd_es1688 *chip, unsigned char reg, unsigned char data);

int snd_es1688_create(struct snd_card *card,
              struct snd_es1688 *chip,
              unsigned long port,
              unsigned long mpu_port,
              int irq,
              int mpu_irq,
              int dma8,
              unsigned short hardware);
int snd_es1688_pcm(struct snd_card *card, struct snd_es1688 *chip, int device,
           struct snd_pcm **rpcm);
int snd_es1688_mixer(struct snd_card *card, struct snd_es1688 *chip);
int snd_es1688_reset(struct snd_es1688 *chip);

#endif /* __SOUND_ES1688_H */
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