include/sound/sb.h - linux - Git at Google

 /* SPDX-License-Identifier: GPL-2.0-or-later */
 #ifndef __SOUND_SB_H
 #define __SOUND_SB_H

 /*
  *  Header file for SoundBlaster cards
  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
  */

 #include <sound/pcm.h>
 #include <sound/rawmidi.h>
 #include <linux/interrupt.h>
 #include <linux/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);
 #else
 static inline void snd_sbmixer_suspend(struct snd_sb *chip) {}
 static inline void snd_sbmixer_resume(struct snd_sb *chip) {}
 #endif

 /* sb8_init.c */
 int snd_sb8dsp_pcm(struct snd_sb *chip, int device);
 /* 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);

 /* sb16_init.c */
 int snd_sb16dsp_pcm(struct snd_sb *chip, int device);
 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 */
	/* SPDX-License-Identifier: GPL-2.0-or-later */
	#ifndef __SOUND_SB_H
	#define __SOUND_SB_H

	/*
	* Header file for SoundBlaster cards
	* Copyright (c) by Jaroslav Kysela <perex@perex.cz>
	*/

	#include <sound/pcm.h>
	#include <sound/rawmidi.h>
	#include <linux/interrupt.h>
	#include <linux/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);
	#else
	static inline void snd_sbmixer_suspend(struct snd_sb *chip) {}
	static inline void snd_sbmixer_resume(struct snd_sb *chip) {}
	#endif

	/* sb8_init.c */
	int snd_sb8dsp_pcm(struct snd_sb *chip, int device);
	/* 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);

	/* sb16_init.c */
	int snd_sb16dsp_pcm(struct snd_sb *chip, int device);
	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 */