Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 951 insertions, 0 deletions

diff --git a/sound/isa/sb/sb_mixer.c b/sound/isa/sb/sb_mixer.c
new file mode 100644
index 0000000000..fffd681e5b
--- /dev/null
+++ b/sound/isa/sb/sb_mixer.c
@@ -0,0 +1,951 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
+ *  Routines for Sound Blaster mixer control
+ */
+
+#include <linux/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(struct snd_sb *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(KERN_DEBUG "mixer_write 0x%x 0x%x\n", reg, data);
+#endif
+}
+
+unsigned char snd_sbmixer_read(struct snd_sb *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(KERN_DEBUG "mixer_read 0x%x 0x%x\n", reg, result);
+#endif
+	return result;
+}
+
+/*
+ * Single channel mixer element
+ */
+
+static int snd_sbmixer_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *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(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_sb *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(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_sb *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(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *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(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_sb *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(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_sb *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(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
+{
+	static const char * const texts[5] = {
+		"CD", "Mic", "Line", "Synth", "Master"
+	};
+
+	return snd_ctl_enum_info(uinfo, 1, 5, texts);
+}
+
+static int snd_dt019x_input_sw_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_sb *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(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_sb *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;
+}
+
+/*
+ * ALS4000 mono recording control switch
+ */
+
+static int snd_als4k_mono_capture_route_info(struct snd_kcontrol *kcontrol,
+					     struct snd_ctl_elem_info *uinfo)
+{
+	static const char * const texts[3] = {
+		"L chan only", "R chan only", "L ch/2 + R ch/2"
+	};
+
+	return snd_ctl_enum_info(uinfo, 1, 3, texts);
+}
+
+static int snd_als4k_mono_capture_route_get(struct snd_kcontrol *kcontrol,
+				struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
+	unsigned long flags;
+	unsigned char oval;
+
+	spin_lock_irqsave(&sb->mixer_lock, flags);
+	oval = snd_sbmixer_read(sb, SB_ALS4000_MONO_IO_CTRL);
+	spin_unlock_irqrestore(&sb->mixer_lock, flags);
+	oval >>= 6;
+	if (oval > 2)
+		oval = 2;
+
+	ucontrol->value.enumerated.item[0] = oval;
+	return 0;
+}
+
+static int snd_als4k_mono_capture_route_put(struct snd_kcontrol *kcontrol,
+				struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
+	unsigned long flags;
+	int change;
+	unsigned char nval, oval;
+
+	if (ucontrol->value.enumerated.item[0] > 2)
+		return -EINVAL;
+	spin_lock_irqsave(&sb->mixer_lock, flags);
+	oval = snd_sbmixer_read(sb, SB_ALS4000_MONO_IO_CTRL);
+
+	nval = (oval & ~(3 << 6))
+	     | (ucontrol->value.enumerated.item[0] << 6);
+	change = nval != oval;
+	if (change)
+		snd_sbmixer_write(sb, SB_ALS4000_MONO_IO_CTRL, nval);
+	spin_unlock_irqrestore(&sb->mixer_lock, flags);
+	return change;
+}
+
+/*
+ * SBPRO input multiplexer
+ */
+
+static int snd_sb8mixer_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
+{
+	static const char * const texts[3] = {
+		"Mic", "CD", "Line"
+	};
+
+	return snd_ctl_enum_info(uinfo, 1, 3, texts);
+}
+
+
+static int snd_sb8mixer_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_sb *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(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_sb *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(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *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(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_sb *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(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_sb *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(struct snd_sb *chip, const char *name, int index, int type, unsigned long value)
+{
+	static const struct snd_kcontrol_new 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,
+		},
+		[SB_MIX_MONO_CAPTURE_ALS4K] = {
+			.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+			.info = snd_als4k_mono_capture_route_info,
+			.get = snd_als4k_mono_capture_route_get,
+			.put = snd_als4k_mono_capture_route_put,
+		},
+	};
+	struct snd_kcontrol *ctl;
+	int err;
+
+	ctl = snd_ctl_new1(&newctls[type], chip);
+	if (! ctl)
+		return -ENOMEM;
+	strscpy(ctl->id.name, name, sizeof(ctl->id.name));
+	ctl->id.index = index;
+	ctl->private_value = value;
+	err = snd_ctl_add(chip->card, ctl);
+	if (err < 0)
+		return err;
+	return 0;
+}
+
+/*
+ * SB 2.0 specific mixer elements
+ */
+
+static const struct sbmix_elem snd_sb20_controls[] = {
+	SB_SINGLE("Master Playback Volume", SB_DSP20_MASTER_DEV, 1, 7),
+	SB_SINGLE("PCM Playback Volume", SB_DSP20_PCM_DEV, 1, 3),
+	SB_SINGLE("Synth Playback Volume", SB_DSP20_FM_DEV, 1, 7),
+	SB_SINGLE("CD Playback Volume", SB_DSP20_CD_DEV, 1, 7)
+};
+
+static const unsigned char snd_sb20_init_values[][2] = {
+	{ SB_DSP20_MASTER_DEV, 0 },
+	{ SB_DSP20_FM_DEV, 0 },
+};
+
+/*
+ * SB Pro specific mixer elements
+ */
+static const struct sbmix_elem snd_sbpro_controls[] = {
+	SB_DOUBLE("Master Playback Volume",
+		  SB_DSP_MASTER_DEV, SB_DSP_MASTER_DEV, 5, 1, 7),
+	SB_DOUBLE("PCM Playback Volume",
+		  SB_DSP_PCM_DEV, SB_DSP_PCM_DEV, 5, 1, 7),
+	SB_SINGLE("PCM Playback Filter", SB_DSP_PLAYBACK_FILT, 5, 1),
+	SB_DOUBLE("Synth Playback Volume",
+		  SB_DSP_FM_DEV, SB_DSP_FM_DEV, 5, 1, 7),
+	SB_DOUBLE("CD Playback Volume", SB_DSP_CD_DEV, SB_DSP_CD_DEV, 5, 1, 7),
+	SB_DOUBLE("Line Playback Volume",
+		  SB_DSP_LINE_DEV, SB_DSP_LINE_DEV, 5, 1, 7),
+	SB_SINGLE("Mic Playback Volume", SB_DSP_MIC_DEV, 1, 3),
+	{
+		.name = "Capture Source",
+		.type = SB_MIX_CAPTURE_PRO
+	},
+	SB_SINGLE("Capture Filter", SB_DSP_CAPTURE_FILT, 5, 1),
+	SB_SINGLE("Capture Low-Pass Filter", SB_DSP_CAPTURE_FILT, 3, 1)
+};
+
+static const 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 const struct sbmix_elem snd_sb16_controls[] = {
+	SB_DOUBLE("Master Playback Volume",
+		  SB_DSP4_MASTER_DEV, (SB_DSP4_MASTER_DEV + 1), 3, 3, 31),
+	SB_DOUBLE("PCM Playback Volume",
+		  SB_DSP4_PCM_DEV, (SB_DSP4_PCM_DEV + 1), 3, 3, 31),
+	SB16_INPUT_SW("Synth Capture Route",
+		      SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 6, 5),
+	SB_DOUBLE("Synth Playback Volume",
+		  SB_DSP4_SYNTH_DEV, (SB_DSP4_SYNTH_DEV + 1), 3, 3, 31),
+	SB16_INPUT_SW("CD Capture Route",
+		      SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 2, 1),
+	SB_DOUBLE("CD Playback Switch",
+		  SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 2, 1, 1),
+	SB_DOUBLE("CD Playback Volume",
+		  SB_DSP4_CD_DEV, (SB_DSP4_CD_DEV + 1), 3, 3, 31),
+	SB16_INPUT_SW("Mic Capture Route",
+		      SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 0, 0),
+	SB_SINGLE("Mic Playback Switch", SB_DSP4_OUTPUT_SW, 0, 1),
+	SB_SINGLE("Mic Playback Volume", SB_DSP4_MIC_DEV, 3, 31),
+	SB_SINGLE("Beep Volume", SB_DSP4_SPEAKER_DEV, 6, 3),
+	SB_DOUBLE("Capture Volume",
+		  SB_DSP4_IGAIN_DEV, (SB_DSP4_IGAIN_DEV + 1), 6, 6, 3),
+	SB_DOUBLE("Playback Volume",
+		  SB_DSP4_OGAIN_DEV, (SB_DSP4_OGAIN_DEV + 1), 6, 6, 3),
+	SB16_INPUT_SW("Line Capture Route",
+		      SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 4, 3),
+	SB_DOUBLE("Line Playback Switch",
+		  SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 4, 3, 1),
+	SB_DOUBLE("Line Playback Volume",
+		  SB_DSP4_LINE_DEV, (SB_DSP4_LINE_DEV + 1), 3, 3, 31),
+	SB_SINGLE("Mic Auto Gain", SB_DSP4_MIC_AGC, 0, 1),
+	SB_SINGLE("3D Enhancement Switch", SB_DSP4_3DSE, 0, 1),
+	SB_DOUBLE("Tone Control - Bass",
+		  SB_DSP4_BASS_DEV, (SB_DSP4_BASS_DEV + 1), 4, 4, 15),
+	SB_DOUBLE("Tone Control - Treble",
+		  SB_DSP4_TREBLE_DEV, (SB_DSP4_TREBLE_DEV + 1), 4, 4, 15)
+};
+
+static const 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 const struct sbmix_elem snd_dt019x_controls[] = {
+	/* ALS4000 below has some parts which we might be lacking,
+	 * e.g. snd_als4000_ctl_mono_playback_switch - check it! */
+	SB_DOUBLE("Master Playback Volume",
+		  SB_DT019X_MASTER_DEV, SB_DT019X_MASTER_DEV, 4, 0, 15),
+	SB_DOUBLE("PCM Playback Switch",
+		  SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 2, 1, 1),
+	SB_DOUBLE("PCM Playback Volume",
+		  SB_DT019X_PCM_DEV, SB_DT019X_PCM_DEV, 4, 0, 15),
+	SB_DOUBLE("Synth Playback Switch",
+		  SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 4, 3, 1),
+	SB_DOUBLE("Synth Playback Volume",
+		  SB_DT019X_SYNTH_DEV, SB_DT019X_SYNTH_DEV, 4, 0, 15),
+	SB_DOUBLE("CD Playback Switch",
+		  SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 2, 1, 1),
+	SB_DOUBLE("CD Playback Volume",
+		  SB_DT019X_CD_DEV, SB_DT019X_CD_DEV, 4, 0, 15),
+	SB_SINGLE("Mic Playback Switch", SB_DSP4_OUTPUT_SW, 0, 1),
+	SB_SINGLE("Mic Playback Volume", SB_DT019X_MIC_DEV, 4, 7),
+	SB_SINGLE("Beep Volume", SB_DT019X_SPKR_DEV, 0,  7),
+	SB_DOUBLE("Line Playback Switch",
+		  SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 4, 3, 1),
+	SB_DOUBLE("Line Playback Volume",
+		  SB_DT019X_LINE_DEV, SB_DT019X_LINE_DEV, 4, 0, 15),
+	{
+		.name = "Capture Source",
+		.type = SB_MIX_CAPTURE_DT019X
+	}
+};
+
+static const 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
+ */
+static const struct sbmix_elem snd_als4000_controls[] = {
+	SB_DOUBLE("PCM Playback Switch",
+		  SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 2, 1, 1),
+	SB_DOUBLE("Synth Playback Switch",
+		  SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 4, 3, 1),
+	SB_SINGLE("Mic Boost (+20dB)", SB_ALS4000_MIC_IN_GAIN, 0, 0x03),
+	SB_SINGLE("Master Mono Playback Switch", SB_ALS4000_MONO_IO_CTRL, 5, 1),
+	{
+		.name = "Master Mono Capture Route",
+		.type = SB_MIX_MONO_CAPTURE_ALS4K
+	},
+	SB_SINGLE("Mono Playback Switch", SB_DT019X_OUTPUT_SW2, 0, 1),
+	SB_SINGLE("Analog Loopback Switch", SB_ALS4000_MIC_IN_GAIN, 7, 0x01),
+	SB_SINGLE("3D Control - Switch", SB_ALS4000_3D_SND_FX, 6, 0x01),
+	SB_SINGLE("Digital Loopback Switch",
+		  SB_ALS4000_CR3_CONFIGURATION, 7, 0x01),
+	/* FIXME: functionality of 3D controls might be swapped, I didn't find
+	 * a description of how to identify what is supposed to be what */
+	SB_SINGLE("3D Control - Level", SB_ALS4000_3D_SND_FX, 0, 0x07),
+	/* FIXME: maybe there's actually some standard 3D ctrl name for it?? */
+	SB_SINGLE("3D Control - Freq", SB_ALS4000_3D_SND_FX, 4, 0x03),
+	/* FIXME: ALS4000a.pdf mentions BBD (Bucket Brigade Device) time delay,
+	 * but what ALSA 3D attribute is that actually? "Center", "Depth",
+	 * "Wide" or "Space" or even "Level"? Assuming "Wide" for now... */
+	SB_SINGLE("3D Control - Wide", SB_ALS4000_3D_TIME_DELAY, 0, 0x0f),
+	SB_SINGLE("3D PowerOff Switch", SB_ALS4000_3D_TIME_DELAY, 4, 0x01),
+	SB_SINGLE("Master Playback 8kHz / 20kHz LPF Switch",
+		  SB_ALS4000_FMDAC, 5, 0x01),
+#ifdef NOT_AVAILABLE
+	SB_SINGLE("FMDAC Switch (Option ?)", SB_ALS4000_FMDAC, 0, 0x01),
+	SB_SINGLE("QSound Mode", SB_ALS4000_QSOUND, 1, 0x1f),
+#endif
+};
+
+static const 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(struct snd_sb *chip,
+			    const struct sbmix_elem *controls,
+			    int controls_count,
+			    const unsigned char map[][2],
+			    int map_count,
+			    char *name)
+{
+	unsigned long flags;
+	struct snd_card *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++) {
+		err = snd_sbmixer_add_ctl_elem(chip, &controls[idx]);
+		if (err < 0)
+			return err;
+	}
+	snd_component_add(card, name);
+	strcpy(card->mixername, name);
+	return 0;
+}
+
+int snd_sbmixer_new(struct snd_sb *chip)
+{
+	struct snd_card *card;
+	int err;
+
+	if (snd_BUG_ON(!chip || !chip->card))
+		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:
+		err = snd_sbmixer_init(chip,
+				       snd_sb20_controls,
+				       ARRAY_SIZE(snd_sb20_controls),
+				       snd_sb20_init_values,
+				       ARRAY_SIZE(snd_sb20_init_values),
+				       "CTL1335");
+		if (err < 0)
+			return err;
+		break;
+	case SB_HW_PRO:
+	case SB_HW_JAZZ16:
+		err = snd_sbmixer_init(chip,
+				       snd_sbpro_controls,
+				       ARRAY_SIZE(snd_sbpro_controls),
+				       snd_sbpro_init_values,
+				       ARRAY_SIZE(snd_sbpro_init_values),
+				       "CTL1345");
+		if (err < 0)
+			return err;
+		break;
+	case SB_HW_16:
+	case SB_HW_ALS100:
+	case SB_HW_CS5530:
+		err = snd_sbmixer_init(chip,
+				       snd_sb16_controls,
+				       ARRAY_SIZE(snd_sb16_controls),
+				       snd_sb16_init_values,
+				       ARRAY_SIZE(snd_sb16_init_values),
+				       "CTL1745");
+		if (err < 0)
+			return err;
+		break;
+	case SB_HW_ALS4000:
+		/* use only the first 16 controls from SB16 */
+		err = snd_sbmixer_init(chip,
+					snd_sb16_controls,
+					16,
+					snd_sb16_init_values,
+					ARRAY_SIZE(snd_sb16_init_values),
+					"ALS4000");
+		if (err < 0)
+			return err;
+		err = snd_sbmixer_init(chip,
+				       snd_als4000_controls,
+				       ARRAY_SIZE(snd_als4000_controls),
+				       snd_als4000_init_values,
+				       ARRAY_SIZE(snd_als4000_init_values),
+				       "ALS4000");
+		if (err < 0)
+			return err;
+		break;
+	case SB_HW_DT019X:
+		err = snd_sbmixer_init(chip,
+				       snd_dt019x_controls,
+				       ARRAY_SIZE(snd_dt019x_controls),
+				       snd_dt019x_init_values,
+				       ARRAY_SIZE(snd_dt019x_init_values),
+				       "DT019X");
+		if (err < 0)
+			return err;
+		break;
+	default:
+		strcpy(card->mixername, "???");
+	}
+	return 0;
+}
+
+#ifdef CONFIG_PM
+static const unsigned char sb20_saved_regs[] = {
+	SB_DSP20_MASTER_DEV,
+	SB_DSP20_PCM_DEV,
+	SB_DSP20_FM_DEV,
+	SB_DSP20_CD_DEV,
+};
+
+static const unsigned char sbpro_saved_regs[] = {
+	SB_DSP_MASTER_DEV,
+	SB_DSP_PCM_DEV,
+	SB_DSP_PLAYBACK_FILT,
+	SB_DSP_FM_DEV,
+	SB_DSP_CD_DEV,
+	SB_DSP_LINE_DEV,
+	SB_DSP_MIC_DEV,
+	SB_DSP_CAPTURE_SOURCE,
+	SB_DSP_CAPTURE_FILT,
+};
+
+static const unsigned char sb16_saved_regs[] = {
+	SB_DSP4_MASTER_DEV, SB_DSP4_MASTER_DEV + 1,
+	SB_DSP4_3DSE,
+	SB_DSP4_BASS_DEV, SB_DSP4_BASS_DEV + 1,
+	SB_DSP4_TREBLE_DEV, SB_DSP4_TREBLE_DEV + 1,
+	SB_DSP4_PCM_DEV, SB_DSP4_PCM_DEV + 1,
+	SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT,
+	SB_DSP4_SYNTH_DEV, SB_DSP4_SYNTH_DEV + 1,
+	SB_DSP4_OUTPUT_SW,
+	SB_DSP4_CD_DEV, SB_DSP4_CD_DEV + 1,
+	SB_DSP4_LINE_DEV, SB_DSP4_LINE_DEV + 1,
+	SB_DSP4_MIC_DEV,
+	SB_DSP4_SPEAKER_DEV,
+	SB_DSP4_IGAIN_DEV, SB_DSP4_IGAIN_DEV + 1,
+	SB_DSP4_OGAIN_DEV, SB_DSP4_OGAIN_DEV + 1,
+	SB_DSP4_MIC_AGC
+};
+
+static const unsigned char dt019x_saved_regs[] = {
+	SB_DT019X_MASTER_DEV,
+	SB_DT019X_PCM_DEV,
+	SB_DT019X_SYNTH_DEV,
+	SB_DT019X_CD_DEV,
+	SB_DT019X_MIC_DEV,
+	SB_DT019X_SPKR_DEV,
+	SB_DT019X_LINE_DEV,
+	SB_DSP4_OUTPUT_SW,
+	SB_DT019X_OUTPUT_SW2,
+	SB_DT019X_CAPTURE_SW,
+};
+
+static const unsigned char als4000_saved_regs[] = {
+	/* please verify in dsheet whether regs to be added
+	   are actually real H/W or just dummy */
+	SB_DSP4_MASTER_DEV, SB_DSP4_MASTER_DEV + 1,
+	SB_DSP4_OUTPUT_SW,
+	SB_DSP4_PCM_DEV, SB_DSP4_PCM_DEV + 1,
+	SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT,
+	SB_DSP4_SYNTH_DEV, SB_DSP4_SYNTH_DEV + 1,
+	SB_DSP4_CD_DEV, SB_DSP4_CD_DEV + 1,
+	SB_DSP4_MIC_DEV,
+	SB_DSP4_SPEAKER_DEV,
+	SB_DSP4_IGAIN_DEV, SB_DSP4_IGAIN_DEV + 1,
+	SB_DSP4_OGAIN_DEV, SB_DSP4_OGAIN_DEV + 1,
+	SB_DT019X_OUTPUT_SW2,
+	SB_ALS4000_MONO_IO_CTRL,
+	SB_ALS4000_MIC_IN_GAIN,
+	SB_ALS4000_FMDAC,
+	SB_ALS4000_3D_SND_FX,
+	SB_ALS4000_3D_TIME_DELAY,
+	SB_ALS4000_CR3_CONFIGURATION,
+};
+
+static void save_mixer(struct snd_sb *chip, const unsigned char *regs, int num_regs)
+{
+	unsigned char *val = chip->saved_regs;
+	if (snd_BUG_ON(num_regs > ARRAY_SIZE(chip->saved_regs)))
+		return;
+	for (; num_regs; num_regs--)
+		*val++ = snd_sbmixer_read(chip, *regs++);
+}
+
+static void restore_mixer(struct snd_sb *chip, const unsigned char *regs, int num_regs)
+{
+	unsigned char *val = chip->saved_regs;
+	if (snd_BUG_ON(num_regs > ARRAY_SIZE(chip->saved_regs)))
+		return;
+	for (; num_regs; num_regs--)
+		snd_sbmixer_write(chip, *regs++, *val++);
+}
+
+void snd_sbmixer_suspend(struct snd_sb *chip)
+{
+	switch (chip->hardware) {
+	case SB_HW_20:
+	case SB_HW_201:
+		save_mixer(chip, sb20_saved_regs, ARRAY_SIZE(sb20_saved_regs));
+		break;
+	case SB_HW_PRO:
+	case SB_HW_JAZZ16:
+		save_mixer(chip, sbpro_saved_regs, ARRAY_SIZE(sbpro_saved_regs));
+		break;
+	case SB_HW_16:
+	case SB_HW_ALS100:
+	case SB_HW_CS5530:
+		save_mixer(chip, sb16_saved_regs, ARRAY_SIZE(sb16_saved_regs));
+		break;
+	case SB_HW_ALS4000:
+		save_mixer(chip, als4000_saved_regs, ARRAY_SIZE(als4000_saved_regs));
+		break;
+	case SB_HW_DT019X:
+		save_mixer(chip, dt019x_saved_regs, ARRAY_SIZE(dt019x_saved_regs));
+		break;
+	default:
+		break;
+	}
+}
+
+void snd_sbmixer_resume(struct snd_sb *chip)
+{
+	switch (chip->hardware) {
+	case SB_HW_20:
+	case SB_HW_201:
+		restore_mixer(chip, sb20_saved_regs, ARRAY_SIZE(sb20_saved_regs));
+		break;
+	case SB_HW_PRO:
+	case SB_HW_JAZZ16:
+		restore_mixer(chip, sbpro_saved_regs, ARRAY_SIZE(sbpro_saved_regs));
+		break;
+	case SB_HW_16:
+	case SB_HW_ALS100:
+	case SB_HW_CS5530:
+		restore_mixer(chip, sb16_saved_regs, ARRAY_SIZE(sb16_saved_regs));
+		break;
+	case SB_HW_ALS4000:
+		restore_mixer(chip, als4000_saved_regs, ARRAY_SIZE(als4000_saved_regs));
+		break;
+	case SB_HW_DT019X:
+		restore_mixer(chip, dt019x_saved_regs, ARRAY_SIZE(dt019x_saved_regs));
+		break;
+	default:
+		break;
+	}
+}
+#endif