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#ifndef __SOUND_CS4231_H

#define __SOUND_CS4231_H

/*

 *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>

 *  Definitions for CS4231 & InterWave chips & compatible chips

 *

 *

 *   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 "timer.h"

#include "cs4231-regs.h"

/* defines for codec.mode */

#define CS4231_MODE_NONE        0x0000

#define CS4231_MODE_PLAY        0x0001

#define CS4231_MODE_RECORD      0x0002

#define CS4231_MODE_TIMER       0x0004

#define CS4231_MODE_OPEN        (CS4231_MODE_PLAY|CS4231_MODE_RECORD|CS4231_MODE_TIMER)

/* defines for codec.hardware */

#define CS4231_HW_DETECT        0x0000  /* let CS4231 driver detect chip */

#define CS4231_HW_DETECT3       0x0001  /* allow mode 3 */

#define CS4231_HW_TYPE_MASK     0xff00  /* type mask */

#define CS4231_HW_CS4231_MASK   0x0100  /* CS4231 serie */

#define CS4231_HW_CS4231        0x0100  /* CS4231 chip */

#define CS4231_HW_CS4231A       0x0101  /* CS4231A chip */

#define CS4231_HW_AD1845        0x0102  /* AD1845 chip */

#define CS4231_HW_CS4232_MASK   0x0200  /* CS4232 serie (has control ports) */

#define CS4231_HW_CS4232        0x0200  /* CS4232 */

#define CS4231_HW_CS4232A       0x0201  /* CS4232A */

#define CS4231_HW_CS4236        0x0202  /* CS4236 */

#define CS4231_HW_CS4236B_MASK  0x0400  /* CS4236B serie (has extended control regs) */

#define CS4231_HW_CS4235        0x0400  /* CS4235 - Crystal Clear (tm) stereo enhancement */

#define CS4231_HW_CS4236B       0x0401  /* CS4236B */

#define CS4231_HW_CS4237B       0x0402  /* CS4237B - SRS 3D */

#define CS4231_HW_CS4238B       0x0403  /* CS4238B - QSOUND 3D */

#define CS4231_HW_CS4239        0x0404  /* CS4239 - Crystal Clear (tm) stereo enhancement */

/* compatible, but clones */

#define CS4231_HW_INTERWAVE     0x1000  /* InterWave chip */

#define CS4231_HW_OPL3SA2       0x1101  /* OPL3-SA2 chip, similar to cs4231 */

/* defines for codec.hwshare */

#define CS4231_HWSHARE_IRQ      (1<<0)

#define CS4231_HWSHARE_DMA1     (1<<1)

#define CS4231_HWSHARE_DMA2     (1<<2)

struct snd_cs4231 {

        unsigned long port;             /* base i/o port */

        struct resource *res_port;

        unsigned long cport;            /* control base i/o port (CS4236) */

        struct resource *res_cport;

        int irq;                        /* IRQ line */

        int dma1;                       /* playback DMA */

        int dma2;                       /* record DMA */

        unsigned short version;         /* version of CODEC chip */

        unsigned short mode;            /* see to CS4231_MODE_XXXX */

        unsigned short hardware;        /* see to CS4231_HW_XXXX */

        unsigned short hwshare;         /* shared resources */

        unsigned short single_dma:1,    /* forced single DMA mode (GUS 16-bit daughter board) or dma1 == dma2 */

                       ebus_flag:1;     /* SPARC: EBUS present */

        struct snd_card *card;

        struct snd_pcm *pcm;

        struct snd_pcm_substream *playback_substream;

        struct snd_pcm_substream *capture_substream;

        struct snd_timer *timer;

        unsigned char image[32];        /* registers image */

        unsigned char eimage[32];       /* extended registers image */

        unsigned char cimage[16];       /* control registers image */

        int mce_bit;

        int calibrate_mute;

        int sw_3d_bit;

        unsigned int p_dma_size;

        unsigned int c_dma_size;

        spinlock_t reg_lock;

        struct mutex mce_mutex;

        struct mutex open_mutex;

        int (*rate_constraint) (struct snd_pcm_runtime *runtime);

        void (*set_playback_format) (struct snd_cs4231 *chip, struct snd_pcm_hw_params *hw_params, unsigned char pdfr);

        void (*set_capture_format) (struct snd_cs4231 *chip, struct snd_pcm_hw_params *hw_params, unsigned char cdfr);

        void (*trigger) (struct snd_cs4231 *chip, unsigned int what, int start);

#ifdef CONFIG_PM

        void (*suspend) (struct snd_cs4231 *chip);

        void (*resume) (struct snd_cs4231 *chip);

#endif

        void *dma_private_data;

        int (*claim_dma) (struct snd_cs4231 *chip, void *dma_private_data, int dma);

        int (*release_dma) (struct snd_cs4231 *chip, void *dma_private_data, int dma);

};

/* exported functions */

void snd_cs4231_out(struct snd_cs4231 *chip, unsigned char reg, unsigned char val);

unsigned char snd_cs4231_in(struct snd_cs4231 *chip, unsigned char reg);

void snd_cs4236_ext_out(struct snd_cs4231 *chip, unsigned char reg, unsigned char val);

unsigned char snd_cs4236_ext_in(struct snd_cs4231 *chip, unsigned char reg);

void snd_cs4231_mce_up(struct snd_cs4231 *chip);

void snd_cs4231_mce_down(struct snd_cs4231 *chip);

irqreturn_t snd_cs4231_interrupt(int irq, void *dev_id);

const char *snd_cs4231_chip_id(struct snd_cs4231 *chip);

int snd_cs4231_create(struct snd_card *card,

                      unsigned long port,

                      unsigned long cport,

                      int irq, int dma1, int dma2,

                      unsigned short hardware,

                      unsigned short hwshare,

                      struct snd_cs4231 ** rchip);

int snd_cs4231_pcm(struct snd_cs4231 * chip, int device, struct snd_pcm **rpcm);

int snd_cs4231_timer(struct snd_cs4231 * chip, int device, struct snd_timer **rtimer);

int snd_cs4231_mixer(struct snd_cs4231 * chip);

int snd_cs4236_create(struct snd_card *card,

                      unsigned long port,

                      unsigned long cport,

                      int irq, int dma1, int dma2,

                      unsigned short hardware,

                      unsigned short hwshare,

                      struct snd_cs4231 ** rchip);

int snd_cs4236_pcm(struct snd_cs4231 * chip, int device, struct snd_pcm **rpcm);

int snd_cs4236_mixer(struct snd_cs4231 * chip);

/*

 *  mixer library

 */

#define CS4231_SINGLE(xname, xindex, reg, shift, mask, invert) \

{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \

  .info = snd_cs4231_info_single, \

  .get = snd_cs4231_get_single, .put = snd_cs4231_put_single, \

  .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }

int snd_cs4231_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo);

int snd_cs4231_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol);

int snd_cs4231_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol);

#define CS4231_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \

{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \

  .info = snd_cs4231_info_double, \

  .get = snd_cs4231_get_double, .put = snd_cs4231_put_double, \

  .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) }

int snd_cs4231_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo);

int snd_cs4231_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol);

int snd_cs4231_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol);

#endif /* __SOUND_CS4231_H */