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sb.h

#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_JAZZ16,           /* Media Vision Jazz16 */
      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_OUT_MIXER_CTRL_2 0x4c
#define SB_ALS4000_MIC_IN_GAIN      0x4d
#define SB_ALS4000_ANALOG_REFRNC_VOLT_CTRL 0x4e
#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_ANALOG_BLOCK_CTRL 0x53
#define SB_ALS4000_3D_DELAYLINE_PATTERN 0x54
#define SB_ALS4000_CR3_CONFIGURATION      0xc3 /* bit 7 is Digital Loop Enable */
#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
#define ALS4K_IRQTYPE_CR1E_DMA      0x20

/* 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,
      SB_MIX_MONO_CAPTURE_ALS4K
};

#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 */

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