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#ifndef __SOUND_SB_H

#define __SOUND_SB_H

/*

 *  Header file for SoundBlaster cards

 *  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 "pcm.h"

#include "rawmidi.h"

#include <linux/interrupt.h>

#include <asm/io.h>

enum sb_hw_type {

        SB_HW_AUTO,

        SB_HW_10,

        SB_HW_20,

        SB_HW_201,

        SB_HW_PRO,

        SB_HW_16,

        SB_HW_16CSP,            /* SB16 with CSP chip */

        SB_HW_ALS100,           /* Avance Logic ALS100 chip */

        SB_HW_ALS4000,          /* Avance Logic ALS4000 chip */

        SB_HW_DT019X,           /* Diamond Tech. DT-019X / Avance Logic ALS-007 */

        SB_HW_CS5530,           /* Cyrix/NatSemi 5530 VSA1 */

};

#define SB_OPEN_PCM                     0x01

#define SB_OPEN_MIDI_INPUT              0x02

#define SB_OPEN_MIDI_OUTPUT             0x04

#define SB_OPEN_MIDI_INPUT_TRIGGER      0x08

#define SB_OPEN_MIDI_OUTPUT_TRIGGER     0x10

#define SB_MODE_HALT            0x00

#define SB_MODE_PLAYBACK_8      0x01

#define SB_MODE_PLAYBACK_16     0x02

#define SB_MODE_PLAYBACK        (SB_MODE_PLAYBACK_8 | SB_MODE_PLAYBACK_16)

#define SB_MODE_CAPTURE_8       0x04

#define SB_MODE_CAPTURE_16      0x08

#define SB_MODE_CAPTURE         (SB_MODE_CAPTURE_8 | SB_MODE_CAPTURE_16)

#define SB_RATE_LOCK_PLAYBACK   0x10

#define SB_RATE_LOCK_CAPTURE    0x20

#define SB_RATE_LOCK            (SB_RATE_LOCK_PLAYBACK | SB_RATE_LOCK_CAPTURE)

#define SB_MPU_INPUT            1

struct snd_sb {

        unsigned long port;             /* base port of DSP chip */

        struct resource *res_port;

        unsigned long mpu_port;         /* MPU port for SB DSP 4.0+ */

        int irq;                        /* IRQ number of DSP chip */

        int dma8;                       /* 8-bit DMA */

        int dma16;                      /* 16-bit DMA */

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

        enum sb_hw_type hardware;       /* see to SB_HW_XXXX */

        unsigned long alt_port;         /* alternate port (ALS4000) */

        struct pci_dev *pci;            /* ALS4000 */

        unsigned int open;              /* see to SB_OPEN_XXXX for sb8 */

                                        /* also SNDRV_SB_CSP_MODE_XXX for sb16_csp */

        unsigned int mode;              /* current mode of stream */

        unsigned int force_mode16;      /* force 16-bit mode of streams */

        unsigned int locked_rate;       /* sb16 duplex */

        unsigned int playback_format;

        unsigned int capture_format;

        struct timer_list midi_timer;

        unsigned int p_dma_size;

        unsigned int p_period_size;

        unsigned int c_dma_size;

        unsigned int c_period_size;

        spinlock_t mixer_lock;

        char name[32];

        void *csp; /* used only when CONFIG_SND_SB16_CSP is set */

        struct snd_card *card;

        struct snd_pcm *pcm;

        struct snd_pcm_substream *playback_substream;

        struct snd_pcm_substream *capture_substream;

        struct snd_rawmidi *rmidi;

        struct snd_rawmidi_substream *midi_substream_input;

        struct snd_rawmidi_substream *midi_substream_output;

        irq_handler_t rmidi_callback;

        spinlock_t reg_lock;

        spinlock_t open_lock;

        spinlock_t midi_input_lock;

        struct snd_info_entry *proc_entry;

#ifdef CONFIG_PM

        unsigned char saved_regs[0x20];

#endif

};

/* I/O ports */

#define SBP(chip, x)            ((chip)->port + s_b_SB_##x)

#define SBP1(port, x)           ((port) + s_b_SB_##x)

#define s_b_SB_RESET            0x6

#define s_b_SB_READ             0xa

#define s_b_SB_WRITE            0xc

#define s_b_SB_COMMAND          0xc

#define s_b_SB_STATUS           0xc

#define s_b_SB_DATA_AVAIL       0xe

#define s_b_SB_DATA_AVAIL_16    0xf

#define s_b_SB_MIXER_ADDR       0x4

#define s_b_SB_MIXER_DATA       0x5

#define s_b_SB_OPL3_LEFT        0x0

#define s_b_SB_OPL3_RIGHT       0x2

#define s_b_SB_OPL3_BOTH        0x8

#define SB_DSP_OUTPUT           0x14

#define SB_DSP_INPUT            0x24

#define SB_DSP_BLOCK_SIZE       0x48

#define SB_DSP_HI_OUTPUT        0x91

#define SB_DSP_HI_INPUT         0x99

#define SB_DSP_LO_OUTPUT_AUTO   0x1c

#define SB_DSP_LO_INPUT_AUTO    0x2c

#define SB_DSP_HI_OUTPUT_AUTO   0x90

#define SB_DSP_HI_INPUT_AUTO    0x98

#define SB_DSP_IMMED_INT        0xf2

#define SB_DSP_GET_VERSION      0xe1

#define SB_DSP_SPEAKER_ON       0xd1

#define SB_DSP_SPEAKER_OFF      0xd3

#define SB_DSP_DMA8_OFF         0xd0

#define SB_DSP_DMA8_ON          0xd4

#define SB_DSP_DMA8_EXIT        0xda

#define SB_DSP_DMA16_OFF        0xd5

#define SB_DSP_DMA16_ON         0xd6

#define SB_DSP_DMA16_EXIT       0xd9

#define SB_DSP_SAMPLE_RATE      0x40

#define SB_DSP_SAMPLE_RATE_OUT  0x41

#define SB_DSP_SAMPLE_RATE_IN   0x42

#define SB_DSP_MONO_8BIT        0xa0

#define SB_DSP_MONO_16BIT       0xa4

#define SB_DSP_STEREO_8BIT      0xa8

#define SB_DSP_STEREO_16BIT     0xac

#define SB_DSP_MIDI_INPUT_IRQ   0x31

#define SB_DSP_MIDI_UART_IRQ    0x35

#define SB_DSP_MIDI_OUTPUT      0x38

#define SB_DSP4_OUT8_AI         0xc6

#define SB_DSP4_IN8_AI          0xce

#define SB_DSP4_OUT16_AI        0xb6

#define SB_DSP4_IN16_AI         0xbe

#define SB_DSP4_MODE_UNS_MONO   0x00

#define SB_DSP4_MODE_SIGN_MONO  0x10

#define SB_DSP4_MODE_UNS_STEREO 0x20

#define SB_DSP4_MODE_SIGN_STEREO 0x30

#define SB_DSP4_OUTPUT          0x3c

#define SB_DSP4_INPUT_LEFT      0x3d

#define SB_DSP4_INPUT_RIGHT     0x3e

/* registers for SB 2.0 mixer */

#define SB_DSP20_MASTER_DEV     0x02

#define SB_DSP20_PCM_DEV        0x0A

#define SB_DSP20_CD_DEV         0x08

#define SB_DSP20_FM_DEV         0x06

/* registers for SB PRO mixer */

#define SB_DSP_MASTER_DEV       0x22

#define SB_DSP_PCM_DEV          0x04

#define SB_DSP_LINE_DEV         0x2e

#define SB_DSP_CD_DEV           0x28

#define SB_DSP_FM_DEV           0x26

#define SB_DSP_MIC_DEV          0x0a

#define SB_DSP_CAPTURE_SOURCE   0x0c

#define SB_DSP_CAPTURE_FILT     0x0c

#define SB_DSP_PLAYBACK_FILT    0x0e

#define SB_DSP_STEREO_SW        0x0e

#define SB_DSP_MIXS_MIC0        0x00    /* same as MIC */

#define SB_DSP_MIXS_CD          0x01

#define SB_DSP_MIXS_MIC         0x02

#define SB_DSP_MIXS_LINE        0x03

/* registers (only for left channel) for SB 16 mixer */

#define SB_DSP4_MASTER_DEV      0x30

#define SB_DSP4_BASS_DEV        0x46

#define SB_DSP4_TREBLE_DEV      0x44

#define SB_DSP4_SYNTH_DEV       0x34

#define SB_DSP4_PCM_DEV         0x32

#define SB_DSP4_SPEAKER_DEV     0x3b

#define SB_DSP4_LINE_DEV        0x38

#define SB_DSP4_MIC_DEV         0x3a

#define SB_DSP4_OUTPUT_SW       0x3c

#define SB_DSP4_CD_DEV          0x36

#define SB_DSP4_IGAIN_DEV       0x3f

#define SB_DSP4_OGAIN_DEV       0x41

#define SB_DSP4_MIC_AGC         0x43

/* additional registers for SB 16 mixer */

#define SB_DSP4_IRQSETUP        0x80

#define SB_DSP4_DMASETUP        0x81

#define SB_DSP4_IRQSTATUS       0x82

#define SB_DSP4_MPUSETUP        0x84

#define SB_DSP4_3DSE            0x90

/* Registers for DT-019x / ALS-007 mixer */

#define SB_DT019X_MASTER_DEV    0x62

#define SB_DT019X_PCM_DEV       0x64

#define SB_DT019X_SYNTH_DEV     0x66

#define SB_DT019X_CD_DEV        0x68

#define SB_DT019X_MIC_DEV       0x6a

#define SB_DT019X_SPKR_DEV      0x6a

#define SB_DT019X_LINE_DEV      0x6e

#define SB_DT019X_OUTPUT_SW2    0x4c

#define SB_DT019X_CAPTURE_SW    0x6c

#define SB_DT019X_CAP_CD        0x02

#define SB_DT019X_CAP_MIC       0x04

#define SB_DT019X_CAP_LINE      0x06

#define SB_DT019X_CAP_SYNTH     0x07

#define SB_DT019X_CAP_MAIN      0x07

#define SB_ALS4000_MONO_IO_CTRL 0x4b

#define SB_ALS4000_MIC_IN_GAIN  0x4d

#define SB_ALS4000_FMDAC        0x4f

#define SB_ALS4000_3D_SND_FX    0x50

#define SB_ALS4000_3D_TIME_DELAY        0x51

#define SB_ALS4000_3D_AUTO_MUTE 0x52

#define SB_ALS4000_QSOUND       0xdb

/* IRQ setting bitmap */

#define SB_IRQSETUP_IRQ9        0x01

#define SB_IRQSETUP_IRQ5        0x02

#define SB_IRQSETUP_IRQ7        0x04

#define SB_IRQSETUP_IRQ10       0x08

/* IRQ types */

#define SB_IRQTYPE_8BIT         0x01

#define SB_IRQTYPE_16BIT        0x02

#define SB_IRQTYPE_MPUIN        0x04

/* DMA setting bitmap */

#define SB_DMASETUP_DMA0        0x01

#define SB_DMASETUP_DMA1        0x02

#define SB_DMASETUP_DMA3        0x08

#define SB_DMASETUP_DMA5        0x20

#define SB_DMASETUP_DMA6        0x40

#define SB_DMASETUP_DMA7        0x80

/*

 *

 */

static inline void snd_sb_ack_8bit(struct snd_sb *chip)

{

        inb(SBP(chip, DATA_AVAIL));

}

static inline void snd_sb_ack_16bit(struct snd_sb *chip)

{

        inb(SBP(chip, DATA_AVAIL_16));

}

/* sb_common.c */

int snd_sbdsp_command(struct snd_sb *chip, unsigned char val);

int snd_sbdsp_get_byte(struct snd_sb *chip);

int snd_sbdsp_reset(struct snd_sb *chip);

int snd_sbdsp_create(struct snd_card *card,

                     unsigned long port,

                     int irq,

                     irq_handler_t irq_handler,

                     int dma8, int dma16,

                     unsigned short hardware,

                     struct snd_sb **r_chip);

/* sb_mixer.c */

void snd_sbmixer_write(struct snd_sb *chip, unsigned char reg, unsigned char data);

unsigned char snd_sbmixer_read(struct snd_sb *chip, unsigned char reg);

int snd_sbmixer_new(struct snd_sb *chip);

#ifdef CONFIG_PM

void snd_sbmixer_suspend(struct snd_sb *chip);

void snd_sbmixer_resume(struct snd_sb *chip);

#endif

/* sb8_init.c */

int snd_sb8dsp_pcm(struct snd_sb *chip, int device, struct snd_pcm ** rpcm);

/* sb8.c */

irqreturn_t snd_sb8dsp_interrupt(struct snd_sb *chip);

int snd_sb8_playback_open(struct snd_pcm_substream *substream);

int snd_sb8_capture_open(struct snd_pcm_substream *substream);

int snd_sb8_playback_close(struct snd_pcm_substream *substream);

int snd_sb8_capture_close(struct snd_pcm_substream *substream);

/* midi8.c */

irqreturn_t snd_sb8dsp_midi_interrupt(struct snd_sb *chip);

int snd_sb8dsp_midi(struct snd_sb *chip, int device, struct snd_rawmidi ** rrawmidi);

/* sb16_init.c */

int snd_sb16dsp_pcm(struct snd_sb *chip, int device, struct snd_pcm ** rpcm);

const struct snd_pcm_ops *snd_sb16dsp_get_pcm_ops(int direction);

int snd_sb16dsp_configure(struct snd_sb *chip);

/* sb16.c */

irqreturn_t snd_sb16dsp_interrupt(int irq, void *dev_id);

/* exported mixer stuffs */

enum {

        SB_MIX_SINGLE,

        SB_MIX_DOUBLE,

        SB_MIX_INPUT_SW,

        SB_MIX_CAPTURE_PRO,

        SB_MIX_CAPTURE_DT019X

};

#define SB_MIXVAL_DOUBLE(left_reg, right_reg, left_shift, right_shift, mask) \

  ((left_reg) | ((right_reg) << 8) | ((left_shift) << 16) | ((right_shift) << 19) | ((mask) << 24))

#define SB_MIXVAL_SINGLE(reg, shift, mask) \

  ((reg) | ((shift) << 16) | ((mask) << 24))

#define SB_MIXVAL_INPUT_SW(reg1, reg2, left_shift, right_shift) \

  ((reg1) | ((reg2) << 8) | ((left_shift) << 16) | ((right_shift) << 24))

int snd_sbmixer_add_ctl(struct snd_sb *chip, const char *name, int index, int type, unsigned long value);

/* for ease of use */

struct sbmix_elem {

        const char *name;

        int type;

        unsigned long private_value;

};

#define SB_SINGLE(xname, reg, shift, mask) \

{ .name = xname, \

  .type = SB_MIX_SINGLE, \

  .private_value = SB_MIXVAL_SINGLE(reg, shift, mask) }

#define SB_DOUBLE(xname, left_reg, right_reg, left_shift, right_shift, mask) \

{ .name = xname, \

  .type = SB_MIX_DOUBLE, \

  .private_value = SB_MIXVAL_DOUBLE(left_reg, right_reg, left_shift, right_shift, mask) }

#define SB16_INPUT_SW(xname, reg1, reg2, left_shift, right_shift) \

{ .name = xname, \

  .type = SB_MIX_INPUT_SW, \

  .private_value = SB_MIXVAL_INPUT_SW(reg1, reg2, left_shift, right_shift) }

static inline int snd_sbmixer_add_ctl_elem(struct snd_sb *chip, const struct sbmix_elem *c)

{

        return snd_sbmixer_add_ctl(chip, c->name, 0, c->type, c->private_value);

}

#endif /* __SOUND_SB_H */