diff --git a/include/sound/sb.h b/include/sound/sb.h
new file mode 100644
index 0000000..7960452
--- /dev/null
+++ b/include/sound/sb.h
@@ -0,0 +1,360 @@
+#ifndef __SOUND_SB_H
+#define __SOUND_SB_H
+
+/*
+ *  Header file for SoundBlaster cards
+ *  Copyright (c) by Jaroslav Kysela <perex@suse.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 */
+};
+
+#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 */
+
+	snd_card_t *card;
+	snd_pcm_t *pcm;
+	snd_pcm_substream_t *playback_substream;
+	snd_pcm_substream_t *capture_substream;
+
+	snd_rawmidi_t *rmidi;
+	snd_rawmidi_substream_t *midi_substream_input;
+	snd_rawmidi_substream_t *midi_substream_output;
+	irqreturn_t (*rmidi_callback)(int irq, void *dev_id, struct pt_regs *regs);
+
+	spinlock_t reg_lock;
+	spinlock_t open_lock;
+	spinlock_t midi_input_lock;
+
+	snd_info_entry_t *proc_entry;
+};
+
+typedef struct _snd_sb sb_t;
+
+/* 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(sb_t *chip)
+{
+	inb(SBP(chip, DATA_AVAIL));
+}
+
+static inline void snd_sb_ack_16bit(sb_t *chip)
+{
+	inb(SBP(chip, DATA_AVAIL_16));
+}
+
+/* sb_common.c */
+int snd_sbdsp_command(sb_t *chip, unsigned char val);
+int snd_sbdsp_get_byte(sb_t *chip);
+int snd_sbdsp_reset(sb_t *chip);
+int snd_sbdsp_create(snd_card_t *card,
+		     unsigned long port,
+		     int irq,
+		     irqreturn_t (*irq_handler)(int, void *, struct pt_regs *),
+		     int dma8, int dma16,
+		     unsigned short hardware,
+		     sb_t **r_chip);
+/* sb_mixer.c */
+void snd_sbmixer_write(sb_t *chip, unsigned char reg, unsigned char data);
+unsigned char snd_sbmixer_read(sb_t *chip, unsigned char reg);
+int snd_sbmixer_new(sb_t *chip);
+
+/* sb8_init.c */
+int snd_sb8dsp_pcm(sb_t *chip, int device, snd_pcm_t ** rpcm);
+/* sb8.c */
+irqreturn_t snd_sb8dsp_interrupt(sb_t *chip);
+int snd_sb8_playback_open(snd_pcm_substream_t *substream);
+int snd_sb8_capture_open(snd_pcm_substream_t *substream);
+int snd_sb8_playback_close(snd_pcm_substream_t *substream);
+int snd_sb8_capture_close(snd_pcm_substream_t *substream);
+/* midi8.c */
+irqreturn_t snd_sb8dsp_midi_interrupt(sb_t *chip);
+int snd_sb8dsp_midi(sb_t *chip, int device, snd_rawmidi_t ** rrawmidi);
+
+/* sb16_init.c */
+int snd_sb16dsp_pcm(sb_t *chip, int device, snd_pcm_t ** rpcm);
+const snd_pcm_ops_t *snd_sb16dsp_get_pcm_ops(int direction);
+int snd_sb16dsp_configure(sb_t *chip);
+/* sb16.c */
+irqreturn_t snd_sb16dsp_interrupt(int irq, void *dev_id, struct pt_regs *regs);
+
+/* 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(sb_t *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(sb_t *chip, const struct sbmix_elem *c)
+{
+	return snd_sbmixer_add_ctl(chip, c->name, 0, c->type, c->private_value);
+}
+
+#endif /* __SOUND_SB_H */