diff --git a/sound/isa/sb/sb_mixer.c b/sound/isa/sb/sb_mixer.c
new file mode 100644
index 0000000..cc5a2c6
--- /dev/null
+++ b/sound/isa/sb/sb_mixer.c
@@ -0,0 +1,844 @@
+/*
+ *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
+ *  Routines for Sound Blaster mixer control
+ *
+ *
+ *   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 <sound/driver.h>
+#include <asm/io.h>
+#include <linux/delay.h>
+#include <linux/time.h>
+#include <sound/core.h>
+#include <sound/sb.h>
+#include <sound/control.h>
+
+#undef IO_DEBUG
+
+void snd_sbmixer_write(sb_t *chip, unsigned char reg, unsigned char data)
+{
+	outb(reg, SBP(chip, MIXER_ADDR));
+	udelay(10);
+	outb(data, SBP(chip, MIXER_DATA));
+	udelay(10);
+#ifdef IO_DEBUG
+	snd_printk("mixer_write 0x%x 0x%x\n", reg, data);
+#endif
+}
+
+unsigned char snd_sbmixer_read(sb_t *chip, unsigned char reg)
+{
+	unsigned char result;
+
+	outb(reg, SBP(chip, MIXER_ADDR));
+	udelay(10);
+	result = inb(SBP(chip, MIXER_DATA));
+	udelay(10);
+#ifdef IO_DEBUG
+	snd_printk("mixer_read 0x%x 0x%x\n", reg, result);
+#endif
+	return result;
+}
+
+/*
+ * Single channel mixer element
+ */
+
+static int snd_sbmixer_info_single(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
+{
+	int mask = (kcontrol->private_value >> 24) & 0xff;
+
+	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
+	uinfo->count = 1;
+	uinfo->value.integer.min = 0;
+	uinfo->value.integer.max = mask;
+	return 0;
+}
+
+static int snd_sbmixer_get_single(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
+{
+	sb_t *sb = snd_kcontrol_chip(kcontrol);
+	unsigned long flags;
+	int reg = kcontrol->private_value & 0xff;
+	int shift = (kcontrol->private_value >> 16) & 0xff;
+	int mask = (kcontrol->private_value >> 24) & 0xff;
+	unsigned char val;
+
+	spin_lock_irqsave(&sb->mixer_lock, flags);
+	val = (snd_sbmixer_read(sb, reg) >> shift) & mask;
+	spin_unlock_irqrestore(&sb->mixer_lock, flags);
+	ucontrol->value.integer.value[0] = val;
+	return 0;
+}
+
+static int snd_sbmixer_put_single(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
+{
+	sb_t *sb = snd_kcontrol_chip(kcontrol);
+	unsigned long flags;
+	int reg = kcontrol->private_value & 0xff;
+	int shift = (kcontrol->private_value >> 16) & 0x07;
+	int mask = (kcontrol->private_value >> 24) & 0xff;
+	int change;
+	unsigned char val, oval;
+
+	val = (ucontrol->value.integer.value[0] & mask) << shift;
+	spin_lock_irqsave(&sb->mixer_lock, flags);
+	oval = snd_sbmixer_read(sb, reg);
+	val = (oval & ~(mask << shift)) | val;
+	change = val != oval;
+	if (change)
+		snd_sbmixer_write(sb, reg, val);
+	spin_unlock_irqrestore(&sb->mixer_lock, flags);
+	return change;
+}
+
+/*
+ * Double channel mixer element
+ */
+
+static int snd_sbmixer_info_double(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
+{
+	int mask = (kcontrol->private_value >> 24) & 0xff;
+
+	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
+	uinfo->count = 2;
+	uinfo->value.integer.min = 0;
+	uinfo->value.integer.max = mask;
+	return 0;
+}
+
+static int snd_sbmixer_get_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
+{
+	sb_t *sb = snd_kcontrol_chip(kcontrol);
+	unsigned long flags;
+	int left_reg = kcontrol->private_value & 0xff;
+	int right_reg = (kcontrol->private_value >> 8) & 0xff;
+	int left_shift = (kcontrol->private_value >> 16) & 0x07;
+	int right_shift = (kcontrol->private_value >> 19) & 0x07;
+	int mask = (kcontrol->private_value >> 24) & 0xff;
+	unsigned char left, right;
+
+	spin_lock_irqsave(&sb->mixer_lock, flags);
+	left = (snd_sbmixer_read(sb, left_reg) >> left_shift) & mask;
+	right = (snd_sbmixer_read(sb, right_reg) >> right_shift) & mask;
+	spin_unlock_irqrestore(&sb->mixer_lock, flags);
+	ucontrol->value.integer.value[0] = left;
+	ucontrol->value.integer.value[1] = right;
+	return 0;
+}
+
+static int snd_sbmixer_put_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
+{
+	sb_t *sb = snd_kcontrol_chip(kcontrol);
+	unsigned long flags;
+	int left_reg = kcontrol->private_value & 0xff;
+	int right_reg = (kcontrol->private_value >> 8) & 0xff;
+	int left_shift = (kcontrol->private_value >> 16) & 0x07;
+	int right_shift = (kcontrol->private_value >> 19) & 0x07;
+	int mask = (kcontrol->private_value >> 24) & 0xff;
+	int change;
+	unsigned char left, right, oleft, oright;
+
+	left = (ucontrol->value.integer.value[0] & mask) << left_shift;
+	right = (ucontrol->value.integer.value[1] & mask) << right_shift;
+	spin_lock_irqsave(&sb->mixer_lock, flags);
+	if (left_reg == right_reg) {
+		oleft = snd_sbmixer_read(sb, left_reg);
+		left = (oleft & ~((mask << left_shift) | (mask << right_shift))) | left | right;
+		change = left != oleft;
+		if (change)
+			snd_sbmixer_write(sb, left_reg, left);
+	} else {
+		oleft = snd_sbmixer_read(sb, left_reg);
+		oright = snd_sbmixer_read(sb, right_reg);
+		left = (oleft & ~(mask << left_shift)) | left;
+		right = (oright & ~(mask << right_shift)) | right;
+		change = left != oleft || right != oright;
+		if (change) {
+			snd_sbmixer_write(sb, left_reg, left);
+			snd_sbmixer_write(sb, right_reg, right);
+		}
+	}
+	spin_unlock_irqrestore(&sb->mixer_lock, flags);
+	return change;
+}
+
+/*
+ * DT-019x / ALS-007 capture/input switch
+ */
+
+static int snd_dt019x_input_sw_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
+{
+	static char *texts[5] = {
+		"CD", "Mic", "Line", "Synth", "Master"
+	};
+
+	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+	uinfo->count = 1;
+	uinfo->value.enumerated.items = 5;
+	if (uinfo->value.enumerated.item > 4)
+		uinfo->value.enumerated.item = 4;
+	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
+	return 0;
+}
+
+static int snd_dt019x_input_sw_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
+{
+	sb_t *sb = snd_kcontrol_chip(kcontrol);
+	unsigned long flags;
+	unsigned char oval;
+	
+	spin_lock_irqsave(&sb->mixer_lock, flags);
+	oval = snd_sbmixer_read(sb, SB_DT019X_CAPTURE_SW);
+	spin_unlock_irqrestore(&sb->mixer_lock, flags);
+	switch (oval & 0x07) {
+	case SB_DT019X_CAP_CD:
+		ucontrol->value.enumerated.item[0] = 0;
+		break;
+	case SB_DT019X_CAP_MIC:
+		ucontrol->value.enumerated.item[0] = 1;
+		break;
+	case SB_DT019X_CAP_LINE:
+		ucontrol->value.enumerated.item[0] = 2;
+		break;
+	case SB_DT019X_CAP_MAIN:
+		ucontrol->value.enumerated.item[0] = 4;
+		break;
+	/* To record the synth on these cards you must record the main.   */
+	/* Thus SB_DT019X_CAP_SYNTH == SB_DT019X_CAP_MAIN and would cause */
+	/* duplicate case labels if left uncommented. */
+	/* case SB_DT019X_CAP_SYNTH:
+	 *	ucontrol->value.enumerated.item[0] = 3;
+	 *	break;
+	 */
+	default:
+		ucontrol->value.enumerated.item[0] = 4;
+		break;
+	}
+	return 0;
+}
+
+static int snd_dt019x_input_sw_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
+{
+	sb_t *sb = snd_kcontrol_chip(kcontrol);
+	unsigned long flags;
+	int change;
+	unsigned char nval, oval;
+	
+	if (ucontrol->value.enumerated.item[0] > 4)
+		return -EINVAL;
+	switch (ucontrol->value.enumerated.item[0]) {
+	case 0:
+		nval = SB_DT019X_CAP_CD;
+		break;
+	case 1:
+		nval = SB_DT019X_CAP_MIC;
+		break;
+	case 2:
+		nval = SB_DT019X_CAP_LINE;
+		break;
+	case 3:
+		nval = SB_DT019X_CAP_SYNTH;
+		break;
+	case 4:
+		nval = SB_DT019X_CAP_MAIN;
+		break;
+	default:
+		nval = SB_DT019X_CAP_MAIN;
+	}
+	spin_lock_irqsave(&sb->mixer_lock, flags);
+	oval = snd_sbmixer_read(sb, SB_DT019X_CAPTURE_SW);
+	change = nval != oval;
+	if (change)
+		snd_sbmixer_write(sb, SB_DT019X_CAPTURE_SW, nval);
+	spin_unlock_irqrestore(&sb->mixer_lock, flags);
+	return change;
+}
+
+/*
+ * SBPRO input multiplexer
+ */
+
+static int snd_sb8mixer_info_mux(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
+{
+	static char *texts[3] = {
+		"Mic", "CD", "Line"
+	};
+
+	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+	uinfo->count = 1;
+	uinfo->value.enumerated.items = 3;
+	if (uinfo->value.enumerated.item > 2)
+		uinfo->value.enumerated.item = 2;
+	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
+	return 0;
+}
+
+
+static int snd_sb8mixer_get_mux(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
+{
+	sb_t *sb = snd_kcontrol_chip(kcontrol);
+	unsigned long flags;
+	unsigned char oval;
+	
+	spin_lock_irqsave(&sb->mixer_lock, flags);
+	oval = snd_sbmixer_read(sb, SB_DSP_CAPTURE_SOURCE);
+	spin_unlock_irqrestore(&sb->mixer_lock, flags);
+	switch ((oval >> 0x01) & 0x03) {
+	case SB_DSP_MIXS_CD:
+		ucontrol->value.enumerated.item[0] = 1;
+		break;
+	case SB_DSP_MIXS_LINE:
+		ucontrol->value.enumerated.item[0] = 2;
+		break;
+	default:
+		ucontrol->value.enumerated.item[0] = 0;
+		break;
+	}
+	return 0;
+}
+
+static int snd_sb8mixer_put_mux(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
+{
+	sb_t *sb = snd_kcontrol_chip(kcontrol);
+	unsigned long flags;
+	int change;
+	unsigned char nval, oval;
+	
+	if (ucontrol->value.enumerated.item[0] > 2)
+		return -EINVAL;
+	switch (ucontrol->value.enumerated.item[0]) {
+	case 1:
+		nval = SB_DSP_MIXS_CD;
+		break;
+	case 2:
+		nval = SB_DSP_MIXS_LINE;
+		break;
+	default:
+		nval = SB_DSP_MIXS_MIC;
+	}
+	nval <<= 1;
+	spin_lock_irqsave(&sb->mixer_lock, flags);
+	oval = snd_sbmixer_read(sb, SB_DSP_CAPTURE_SOURCE);
+	nval |= oval & ~0x06;
+	change = nval != oval;
+	if (change)
+		snd_sbmixer_write(sb, SB_DSP_CAPTURE_SOURCE, nval);
+	spin_unlock_irqrestore(&sb->mixer_lock, flags);
+	return change;
+}
+
+/*
+ * SB16 input switch
+ */
+
+static int snd_sb16mixer_info_input_sw(snd_kcontrol_t * kcontrol, snd_ctl_elem_info_t * uinfo)
+{
+	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+	uinfo->count = 4;
+	uinfo->value.integer.min = 0;
+	uinfo->value.integer.max = 1;
+	return 0;
+}
+
+static int snd_sb16mixer_get_input_sw(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
+{
+	sb_t *sb = snd_kcontrol_chip(kcontrol);
+	unsigned long flags;
+	int reg1 = kcontrol->private_value & 0xff;
+	int reg2 = (kcontrol->private_value >> 8) & 0xff;
+	int left_shift = (kcontrol->private_value >> 16) & 0x0f;
+	int right_shift = (kcontrol->private_value >> 24) & 0x0f;
+	unsigned char val1, val2;
+
+	spin_lock_irqsave(&sb->mixer_lock, flags);
+	val1 = snd_sbmixer_read(sb, reg1);
+	val2 = snd_sbmixer_read(sb, reg2);
+	spin_unlock_irqrestore(&sb->mixer_lock, flags);
+	ucontrol->value.integer.value[0] = (val1 >> left_shift) & 0x01;
+	ucontrol->value.integer.value[1] = (val2 >> left_shift) & 0x01;
+	ucontrol->value.integer.value[2] = (val1 >> right_shift) & 0x01;
+	ucontrol->value.integer.value[3] = (val2 >> right_shift) & 0x01;
+	return 0;
+}                                                                                                                   
+
+static int snd_sb16mixer_put_input_sw(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
+{
+	sb_t *sb = snd_kcontrol_chip(kcontrol);
+	unsigned long flags;
+	int reg1 = kcontrol->private_value & 0xff;
+	int reg2 = (kcontrol->private_value >> 8) & 0xff;
+	int left_shift = (kcontrol->private_value >> 16) & 0x0f;
+	int right_shift = (kcontrol->private_value >> 24) & 0x0f;
+	int change;
+	unsigned char val1, val2, oval1, oval2;
+
+	spin_lock_irqsave(&sb->mixer_lock, flags);
+	oval1 = snd_sbmixer_read(sb, reg1);
+	oval2 = snd_sbmixer_read(sb, reg2);
+	val1 = oval1 & ~((1 << left_shift) | (1 << right_shift));
+	val2 = oval2 & ~((1 << left_shift) | (1 << right_shift));
+	val1 |= (ucontrol->value.integer.value[0] & 1) << left_shift;
+	val2 |= (ucontrol->value.integer.value[1] & 1) << left_shift;
+	val1 |= (ucontrol->value.integer.value[2] & 1) << right_shift;
+	val2 |= (ucontrol->value.integer.value[3] & 1) << right_shift;
+	change = val1 != oval1 || val2 != oval2;
+	if (change) {
+		snd_sbmixer_write(sb, reg1, val1);
+		snd_sbmixer_write(sb, reg2, val2);
+	}
+	spin_unlock_irqrestore(&sb->mixer_lock, flags);
+	return change;
+}
+
+
+/*
+ */
+/*
+ */
+int snd_sbmixer_add_ctl(sb_t *chip, const char *name, int index, int type, unsigned long value)
+{
+	static snd_kcontrol_new_t newctls[] = {
+		[SB_MIX_SINGLE] = {
+			.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+			.info = snd_sbmixer_info_single,
+			.get = snd_sbmixer_get_single,
+			.put = snd_sbmixer_put_single,
+		},
+		[SB_MIX_DOUBLE] = {
+			.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+			.info = snd_sbmixer_info_double,
+			.get = snd_sbmixer_get_double,
+			.put = snd_sbmixer_put_double,
+		},
+		[SB_MIX_INPUT_SW] = {
+			.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+			.info = snd_sb16mixer_info_input_sw,
+			.get = snd_sb16mixer_get_input_sw,
+			.put = snd_sb16mixer_put_input_sw,
+		},
+		[SB_MIX_CAPTURE_PRO] = {
+			.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+			.info = snd_sb8mixer_info_mux,
+			.get = snd_sb8mixer_get_mux,
+			.put = snd_sb8mixer_put_mux,
+		},
+		[SB_MIX_CAPTURE_DT019X] = {
+			.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+			.info = snd_dt019x_input_sw_info,
+			.get = snd_dt019x_input_sw_get,
+			.put = snd_dt019x_input_sw_put,
+		},
+	};
+	snd_kcontrol_t *ctl;
+	int err;
+
+	ctl = snd_ctl_new1(&newctls[type], chip);
+	if (! ctl)
+		return -ENOMEM;
+	strlcpy(ctl->id.name, name, sizeof(ctl->id.name));
+	ctl->id.index = index;
+	ctl->private_value = value;
+	if ((err = snd_ctl_add(chip->card, ctl)) < 0) {
+		snd_ctl_free_one(ctl);
+		return err;
+	}
+	return 0;
+}
+
+/*
+ * SB 2.0 specific mixer elements
+ */
+
+static struct sbmix_elem snd_sb20_ctl_master_play_vol =
+	SB_SINGLE("Master Playback Volume", SB_DSP20_MASTER_DEV, 1, 7);
+static struct sbmix_elem snd_sb20_ctl_pcm_play_vol =
+	SB_SINGLE("PCM Playback Volume", SB_DSP20_PCM_DEV, 1, 3);
+static struct sbmix_elem snd_sb20_ctl_synth_play_vol =
+	SB_SINGLE("Synth Playback Volume", SB_DSP20_FM_DEV, 1, 7);
+static struct sbmix_elem snd_sb20_ctl_cd_play_vol =
+	SB_SINGLE("CD Playback Volume", SB_DSP20_CD_DEV, 1, 7);
+
+static struct sbmix_elem *snd_sb20_controls[] = {
+	&snd_sb20_ctl_master_play_vol,
+	&snd_sb20_ctl_pcm_play_vol,
+	&snd_sb20_ctl_synth_play_vol,
+	&snd_sb20_ctl_cd_play_vol
+};
+
+static unsigned char snd_sb20_init_values[][2] = {
+	{ SB_DSP20_MASTER_DEV, 0 },
+	{ SB_DSP20_FM_DEV, 0 },
+};
+
+/*
+ * SB Pro specific mixer elements
+ */
+static struct sbmix_elem snd_sbpro_ctl_master_play_vol =
+	SB_DOUBLE("Master Playback Volume", SB_DSP_MASTER_DEV, SB_DSP_MASTER_DEV, 5, 1, 7);
+static struct sbmix_elem snd_sbpro_ctl_pcm_play_vol =
+	SB_DOUBLE("PCM Playback Volume", SB_DSP_PCM_DEV, SB_DSP_PCM_DEV, 5, 1, 7);
+static struct sbmix_elem snd_sbpro_ctl_pcm_play_filter =
+	SB_SINGLE("PCM Playback Filter", SB_DSP_PLAYBACK_FILT, 5, 1);
+static struct sbmix_elem snd_sbpro_ctl_synth_play_vol =
+	SB_DOUBLE("Synth Playback Volume", SB_DSP_FM_DEV, SB_DSP_FM_DEV, 5, 1, 7);
+static struct sbmix_elem snd_sbpro_ctl_cd_play_vol =
+	SB_DOUBLE("CD Playback Volume", SB_DSP_CD_DEV, SB_DSP_CD_DEV, 5, 1, 7);
+static struct sbmix_elem snd_sbpro_ctl_line_play_vol =
+	SB_DOUBLE("Line Playback Volume", SB_DSP_LINE_DEV, SB_DSP_LINE_DEV, 5, 1, 7);
+static struct sbmix_elem snd_sbpro_ctl_mic_play_vol =
+	SB_SINGLE("Mic Playback Volume", SB_DSP_MIC_DEV, 1, 3);
+static struct sbmix_elem snd_sbpro_ctl_capture_source =
+	{
+		.name = "Capture Source",
+		.type = SB_MIX_CAPTURE_PRO
+	};
+static struct sbmix_elem snd_sbpro_ctl_capture_filter =
+	SB_SINGLE("Capture Filter", SB_DSP_CAPTURE_FILT, 5, 1);
+static struct sbmix_elem snd_sbpro_ctl_capture_low_filter =
+	SB_SINGLE("Capture Low-Pass Filter", SB_DSP_CAPTURE_FILT, 3, 1);
+
+static struct sbmix_elem *snd_sbpro_controls[] = {
+	&snd_sbpro_ctl_master_play_vol,
+	&snd_sbpro_ctl_pcm_play_vol,
+	&snd_sbpro_ctl_pcm_play_filter,
+	&snd_sbpro_ctl_synth_play_vol,
+	&snd_sbpro_ctl_cd_play_vol,
+	&snd_sbpro_ctl_line_play_vol,
+	&snd_sbpro_ctl_mic_play_vol,
+	&snd_sbpro_ctl_capture_source,
+	&snd_sbpro_ctl_capture_filter,
+	&snd_sbpro_ctl_capture_low_filter
+};
+
+static unsigned char snd_sbpro_init_values[][2] = {
+	{ SB_DSP_MASTER_DEV, 0 },
+	{ SB_DSP_PCM_DEV, 0 },
+	{ SB_DSP_FM_DEV, 0 },
+};
+
+/*
+ * SB16 specific mixer elements
+ */
+static struct sbmix_elem snd_sb16_ctl_master_play_vol =
+	SB_DOUBLE("Master Playback Volume", SB_DSP4_MASTER_DEV, (SB_DSP4_MASTER_DEV + 1), 3, 3, 31);
+static struct sbmix_elem snd_sb16_ctl_3d_enhance_switch =
+	SB_SINGLE("3D Enhancement Switch", SB_DSP4_3DSE, 0, 1);
+static struct sbmix_elem snd_sb16_ctl_tone_bass =
+	SB_DOUBLE("Tone Control - Bass", SB_DSP4_BASS_DEV, (SB_DSP4_BASS_DEV + 1), 4, 4, 15);
+static struct sbmix_elem snd_sb16_ctl_tone_treble =
+	SB_DOUBLE("Tone Control - Treble", SB_DSP4_TREBLE_DEV, (SB_DSP4_TREBLE_DEV + 1), 4, 4, 15);
+static struct sbmix_elem snd_sb16_ctl_pcm_play_vol =
+	SB_DOUBLE("PCM Playback Volume", SB_DSP4_PCM_DEV, (SB_DSP4_PCM_DEV + 1), 3, 3, 31);
+static struct sbmix_elem snd_sb16_ctl_synth_capture_route =
+	SB16_INPUT_SW("Synth Capture Route", SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 6, 5);
+static struct sbmix_elem snd_sb16_ctl_synth_play_vol =
+	SB_DOUBLE("Synth Playback Volume", SB_DSP4_SYNTH_DEV, (SB_DSP4_SYNTH_DEV + 1), 3, 3, 31);
+static struct sbmix_elem snd_sb16_ctl_cd_capture_route =
+	SB16_INPUT_SW("CD Capture Route", SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 2, 1);
+static struct sbmix_elem snd_sb16_ctl_cd_play_switch =
+	SB_DOUBLE("CD Playback Switch", SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 2, 1, 1);
+static struct sbmix_elem snd_sb16_ctl_cd_play_vol =
+	SB_DOUBLE("CD Playback Volume", SB_DSP4_CD_DEV, (SB_DSP4_CD_DEV + 1), 3, 3, 31);
+static struct sbmix_elem snd_sb16_ctl_line_capture_route =
+	SB16_INPUT_SW("Line Capture Route", SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 4, 3);
+static struct sbmix_elem snd_sb16_ctl_line_play_switch =
+	SB_DOUBLE("Line Playback Switch", SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 4, 3, 1);
+static struct sbmix_elem snd_sb16_ctl_line_play_vol =
+	SB_DOUBLE("Line Playback Volume", SB_DSP4_LINE_DEV, (SB_DSP4_LINE_DEV + 1), 3, 3, 31);
+static struct sbmix_elem snd_sb16_ctl_mic_capture_route =
+	SB16_INPUT_SW("Mic Capture Route", SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 0, 0);
+static struct sbmix_elem snd_sb16_ctl_mic_play_switch =
+	SB_SINGLE("Mic Playback Switch", SB_DSP4_OUTPUT_SW, 0, 1);
+static struct sbmix_elem snd_sb16_ctl_mic_play_vol =
+	SB_SINGLE("Mic Playback Volume", SB_DSP4_MIC_DEV, 3, 31);
+static struct sbmix_elem snd_sb16_ctl_pc_speaker_vol =
+	SB_SINGLE("PC Speaker Volume", SB_DSP4_SPEAKER_DEV, 6, 3);
+static struct sbmix_elem snd_sb16_ctl_capture_vol =
+	SB_DOUBLE("Capture Volume", SB_DSP4_IGAIN_DEV, (SB_DSP4_IGAIN_DEV + 1), 6, 6, 3);
+static struct sbmix_elem snd_sb16_ctl_play_vol =
+	SB_DOUBLE("Playback Volume", SB_DSP4_OGAIN_DEV, (SB_DSP4_OGAIN_DEV + 1), 6, 6, 3);
+static struct sbmix_elem snd_sb16_ctl_auto_mic_gain =
+	SB_SINGLE("Mic Auto Gain", SB_DSP4_MIC_AGC, 0, 1);
+
+static struct sbmix_elem *snd_sb16_controls[] = {
+	&snd_sb16_ctl_master_play_vol,
+	&snd_sb16_ctl_3d_enhance_switch,
+	&snd_sb16_ctl_tone_bass,
+	&snd_sb16_ctl_tone_treble,
+	&snd_sb16_ctl_pcm_play_vol,
+	&snd_sb16_ctl_synth_capture_route,
+	&snd_sb16_ctl_synth_play_vol,
+	&snd_sb16_ctl_cd_capture_route,
+	&snd_sb16_ctl_cd_play_switch,
+	&snd_sb16_ctl_cd_play_vol,
+	&snd_sb16_ctl_line_capture_route,
+	&snd_sb16_ctl_line_play_switch,
+	&snd_sb16_ctl_line_play_vol,
+	&snd_sb16_ctl_mic_capture_route,
+	&snd_sb16_ctl_mic_play_switch,
+	&snd_sb16_ctl_mic_play_vol,
+	&snd_sb16_ctl_pc_speaker_vol,
+	&snd_sb16_ctl_capture_vol,
+	&snd_sb16_ctl_play_vol,
+	&snd_sb16_ctl_auto_mic_gain
+};
+
+static unsigned char snd_sb16_init_values[][2] = {
+	{ SB_DSP4_MASTER_DEV + 0, 0 },
+	{ SB_DSP4_MASTER_DEV + 1, 0 },
+	{ SB_DSP4_PCM_DEV + 0, 0 },
+	{ SB_DSP4_PCM_DEV + 1, 0 },
+	{ SB_DSP4_SYNTH_DEV + 0, 0 },
+	{ SB_DSP4_SYNTH_DEV + 1, 0 },
+	{ SB_DSP4_INPUT_LEFT, 0 },
+	{ SB_DSP4_INPUT_RIGHT, 0 },
+	{ SB_DSP4_OUTPUT_SW, 0 },
+	{ SB_DSP4_SPEAKER_DEV, 0 },
+};
+
+/*
+ * DT019x specific mixer elements
+ */
+static struct sbmix_elem snd_dt019x_ctl_master_play_vol =
+	SB_DOUBLE("Master Playback Volume", SB_DT019X_MASTER_DEV, SB_DT019X_MASTER_DEV, 4,0, 15);
+static struct sbmix_elem snd_dt019x_ctl_pcm_play_vol =
+	SB_DOUBLE("PCM Playback Volume", SB_DT019X_PCM_DEV, SB_DT019X_PCM_DEV, 4,0, 15);
+static struct sbmix_elem snd_dt019x_ctl_synth_play_vol =
+	SB_DOUBLE("Synth Playback Volume", SB_DT019X_SYNTH_DEV, SB_DT019X_SYNTH_DEV, 4,0, 15);
+static struct sbmix_elem snd_dt019x_ctl_cd_play_vol =
+	SB_DOUBLE("CD Playback Volume", SB_DT019X_CD_DEV, SB_DT019X_CD_DEV, 4,0, 15);
+static struct sbmix_elem snd_dt019x_ctl_mic_play_vol =
+	SB_SINGLE("Mic Playback Volume", SB_DT019X_MIC_DEV, 4, 7);
+static struct sbmix_elem snd_dt019x_ctl_pc_speaker_vol =
+	SB_SINGLE("PC Speaker Volume", SB_DT019X_SPKR_DEV, 0,  7);
+static struct sbmix_elem snd_dt019x_ctl_line_play_vol =
+	SB_DOUBLE("Line Playback Volume", SB_DT019X_LINE_DEV, SB_DT019X_LINE_DEV, 4,0, 15);
+static struct sbmix_elem snd_dt019x_ctl_pcm_play_switch =
+	SB_DOUBLE("PCM Playback Switch", SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 2,1, 1);
+static struct sbmix_elem snd_dt019x_ctl_synth_play_switch =
+	SB_DOUBLE("Synth Playback Switch", SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 4,3, 1);
+static struct sbmix_elem snd_dt019x_ctl_capture_source =
+	{
+		.name = "Capture Source",
+		.type = SB_MIX_CAPTURE_DT019X
+	};
+
+static struct sbmix_elem *snd_dt019x_controls[] = {
+	&snd_dt019x_ctl_master_play_vol,
+	&snd_dt019x_ctl_pcm_play_vol,
+	&snd_dt019x_ctl_synth_play_vol,
+	&snd_dt019x_ctl_cd_play_vol,
+	&snd_dt019x_ctl_mic_play_vol,
+	&snd_dt019x_ctl_pc_speaker_vol,
+	&snd_dt019x_ctl_line_play_vol,
+	&snd_sb16_ctl_mic_play_switch,
+	&snd_sb16_ctl_cd_play_switch,
+	&snd_sb16_ctl_line_play_switch,
+	&snd_dt019x_ctl_pcm_play_switch,
+	&snd_dt019x_ctl_synth_play_switch,
+	&snd_dt019x_ctl_capture_source
+};
+
+static unsigned char snd_dt019x_init_values[][2] = {
+        { SB_DT019X_MASTER_DEV, 0 },
+        { SB_DT019X_PCM_DEV, 0 },
+        { SB_DT019X_SYNTH_DEV, 0 },
+        { SB_DT019X_CD_DEV, 0 },
+        { SB_DT019X_MIC_DEV, 0 },	/* Includes PC-speaker in high nibble */
+        { SB_DT019X_LINE_DEV, 0 },
+        { SB_DSP4_OUTPUT_SW, 0 },
+        { SB_DT019X_OUTPUT_SW2, 0 },
+        { SB_DT019X_CAPTURE_SW, 0x06 },
+};
+
+/*
+ * ALS4000 specific mixer elements
+ */
+/* FIXME: SB_ALS4000_MONO_IO_CTRL needs output select ctrl ! */
+static struct sbmix_elem snd_als4000_ctl_mono_output_switch =
+	SB_SINGLE("Mono Output Switch", SB_ALS4000_MONO_IO_CTRL, 5, 1);
+/* FIXME: mono input switch also available on DT019X ? */
+static struct sbmix_elem snd_als4000_ctl_mono_input_switch =
+	SB_SINGLE("Mono Input Switch", SB_DT019X_OUTPUT_SW2, 0, 1);
+static struct sbmix_elem snd_als4000_ctl_mic_20db_boost =
+	SB_SINGLE("Mic Boost (+20dB)", SB_ALS4000_MIC_IN_GAIN, 0, 0x03);
+static struct sbmix_elem snd_als4000_ctl_mixer_out_to_in =
+	SB_SINGLE("Mixer Out To In", SB_ALS4000_MIC_IN_GAIN, 7, 0x01);
+/* FIXME: 3D needs much more sophisticated controls, many more features ! */
+static struct sbmix_elem snd_als4000_ctl_3d_output_switch =
+	SB_SINGLE("3D Output Switch", SB_ALS4000_3D_SND_FX, 6, 0x01);
+static struct sbmix_elem snd_als4000_ctl_3d_output_ratio =
+	SB_SINGLE("3D Output Ratio", SB_ALS4000_3D_SND_FX, 0, 0x07);
+static struct sbmix_elem snd_als4000_ctl_3d_poweroff_switch =
+	SB_SINGLE("3D PowerOff Switch", SB_ALS4000_3D_TIME_DELAY, 4, 0x01);
+static struct sbmix_elem snd_als4000_ctl_3d_delay =
+	SB_SINGLE("3D Delay", SB_ALS4000_3D_TIME_DELAY, 0, 0x0f);
+#if NOT_AVAILABLE
+static struct sbmix_elem snd_als4000_ctl_fmdac =
+	SB_SINGLE("FMDAC Switch (Option ?)", SB_ALS4000_FMDAC, 0, 0x01);
+static struct sbmix_elem snd_als4000_ctl_qsound =
+	SB_SINGLE("QSound Mode", SB_ALS4000_QSOUND, 1, 0x1f);
+#endif
+
+static struct sbmix_elem *snd_als4000_controls[] = {
+	&snd_sb16_ctl_master_play_vol,
+	&snd_dt019x_ctl_pcm_play_switch,
+	&snd_sb16_ctl_pcm_play_vol,
+	&snd_sb16_ctl_synth_capture_route,
+	&snd_dt019x_ctl_synth_play_switch,
+	&snd_sb16_ctl_synth_play_vol,
+	&snd_sb16_ctl_cd_capture_route,
+	&snd_sb16_ctl_cd_play_switch,
+	&snd_sb16_ctl_cd_play_vol,
+	&snd_sb16_ctl_line_capture_route,
+	&snd_sb16_ctl_line_play_switch,
+	&snd_sb16_ctl_line_play_vol,
+	&snd_sb16_ctl_mic_capture_route,
+	&snd_als4000_ctl_mic_20db_boost,
+	&snd_sb16_ctl_auto_mic_gain,
+	&snd_sb16_ctl_mic_play_switch,
+	&snd_sb16_ctl_mic_play_vol,
+	&snd_sb16_ctl_pc_speaker_vol,
+	&snd_sb16_ctl_capture_vol,
+	&snd_sb16_ctl_play_vol,
+	&snd_als4000_ctl_mono_output_switch,
+	&snd_als4000_ctl_mono_input_switch,
+	&snd_als4000_ctl_mixer_out_to_in,
+	&snd_als4000_ctl_3d_output_switch,
+	&snd_als4000_ctl_3d_output_ratio,
+	&snd_als4000_ctl_3d_delay,
+	&snd_als4000_ctl_3d_poweroff_switch,
+#if NOT_AVAILABLE
+	&snd_als4000_ctl_fmdac,
+	&snd_als4000_ctl_qsound,
+#endif
+};
+
+static unsigned char snd_als4000_init_values[][2] = {
+	{ SB_DSP4_MASTER_DEV + 0, 0 },
+	{ SB_DSP4_MASTER_DEV + 1, 0 },
+	{ SB_DSP4_PCM_DEV + 0, 0 },
+	{ SB_DSP4_PCM_DEV + 1, 0 },
+	{ SB_DSP4_SYNTH_DEV + 0, 0 },
+	{ SB_DSP4_SYNTH_DEV + 1, 0 },
+	{ SB_DSP4_SPEAKER_DEV, 0 },
+	{ SB_DSP4_OUTPUT_SW, 0 },
+	{ SB_DSP4_INPUT_LEFT, 0 },
+	{ SB_DSP4_INPUT_RIGHT, 0 },
+	{ SB_DT019X_OUTPUT_SW2, 0 },
+	{ SB_ALS4000_MIC_IN_GAIN, 0 },
+};
+
+
+/*
+ */
+static int snd_sbmixer_init(sb_t *chip,
+			    struct sbmix_elem **controls,
+			    int controls_count,
+			    unsigned char map[][2],
+			    int map_count,
+			    char *name)
+{
+	unsigned long flags;
+	snd_card_t *card = chip->card;
+	int idx, err;
+
+	/* mixer reset */
+	spin_lock_irqsave(&chip->mixer_lock, flags);
+	snd_sbmixer_write(chip, 0x00, 0x00);
+	spin_unlock_irqrestore(&chip->mixer_lock, flags);
+
+	/* mute and zero volume channels */
+	for (idx = 0; idx < map_count; idx++) {
+		spin_lock_irqsave(&chip->mixer_lock, flags);
+		snd_sbmixer_write(chip, map[idx][0], map[idx][1]);
+		spin_unlock_irqrestore(&chip->mixer_lock, flags);
+	}
+
+	for (idx = 0; idx < controls_count; idx++) {
+		if ((err = snd_sbmixer_add_ctl_elem(chip, controls[idx])) < 0)
+			return err;
+	}
+	snd_component_add(card, name);
+	strcpy(card->mixername, name);
+	return 0;
+}
+
+int snd_sbmixer_new(sb_t *chip)
+{
+	snd_card_t * card;
+	int err;
+
+	snd_assert(chip != NULL && chip->card != NULL, return -EINVAL);
+
+	card = chip->card;
+
+	switch (chip->hardware) {
+	case SB_HW_10:
+		return 0; /* no mixer chip on SB1.x */
+	case SB_HW_20:
+	case SB_HW_201:
+		if ((err = snd_sbmixer_init(chip,
+					    snd_sb20_controls,
+					    ARRAY_SIZE(snd_sb20_controls),
+					    snd_sb20_init_values,
+					    ARRAY_SIZE(snd_sb20_init_values),
+					    "CTL1335")) < 0)
+			return err;
+		break;
+	case SB_HW_PRO:
+		if ((err = snd_sbmixer_init(chip,
+					    snd_sbpro_controls,
+					    ARRAY_SIZE(snd_sbpro_controls),
+					    snd_sbpro_init_values,
+					    ARRAY_SIZE(snd_sbpro_init_values),
+					    "CTL1345")) < 0)
+			return err;
+		break;
+	case SB_HW_16:
+	case SB_HW_ALS100:
+		if ((err = snd_sbmixer_init(chip,
+					    snd_sb16_controls,
+					    ARRAY_SIZE(snd_sb16_controls),
+					    snd_sb16_init_values,
+					    ARRAY_SIZE(snd_sb16_init_values),
+					    "CTL1745")) < 0)
+			return err;
+		break;
+	case SB_HW_ALS4000:
+		if ((err = snd_sbmixer_init(chip,
+					    snd_als4000_controls,
+					    ARRAY_SIZE(snd_als4000_controls),
+					    snd_als4000_init_values,
+					    ARRAY_SIZE(snd_als4000_init_values),
+					    "ALS4000")) < 0)
+			return err;
+		break;
+	case SB_HW_DT019X:
+		if ((err = snd_sbmixer_init(chip,
+					    snd_dt019x_controls,
+					    ARRAY_SIZE(snd_dt019x_controls),
+					    snd_dt019x_init_values,
+					    ARRAY_SIZE(snd_dt019x_init_values),
+					    "DT019X")) < 0)
+		break;
+	default:
+		strcpy(card->mixername, "???");
+	}
+	return 0;
+}