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es1688.h

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

#endif /* __SOUND_ES1688_H */

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