root/include/sound/es1688.h

INCLUDED FROM

#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 */