Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / sound / pci / ca0106 / ca0106_mixer.c
diff --git a/kernel/sound/pci/ca0106/ca0106_mixer.c b/kernel/sound/pci/ca0106/ca0106_mixer.c
new file mode 100644 (file)
index 0000000..025805c
--- /dev/null
@@ -0,0 +1,932 @@
+/*
+ *  Copyright (c) 2004 James Courtier-Dutton <James@superbug.demon.co.uk>
+ *  Driver CA0106 chips. e.g. Sound Blaster Audigy LS and Live 24bit
+ *  Version: 0.0.18
+ *
+ *  FEATURES currently supported:
+ *    See ca0106_main.c for features.
+ * 
+ *  Changelog:
+ *    Support interrupts per period.
+ *    Removed noise from Center/LFE channel when in Analog mode.
+ *    Rename and remove mixer controls.
+ *  0.0.6
+ *    Use separate card based DMA buffer for periods table list.
+ *  0.0.7
+ *    Change remove and rename ctrls into lists.
+ *  0.0.8
+ *    Try to fix capture sources.
+ *  0.0.9
+ *    Fix AC3 output.
+ *    Enable S32_LE format support.
+ *  0.0.10
+ *    Enable playback 48000 and 96000 rates. (Rates other that these do not work, even with "plug:front".)
+ *  0.0.11
+ *    Add Model name recognition.
+ *  0.0.12
+ *    Correct interrupt timing. interrupt at end of period, instead of in the middle of a playback period.
+ *    Remove redundent "voice" handling.
+ *  0.0.13
+ *    Single trigger call for multi channels.
+ *  0.0.14
+ *    Set limits based on what the sound card hardware can do.
+ *    playback periods_min=2, periods_max=8
+ *    capture hw constraints require period_size = n * 64 bytes.
+ *    playback hw constraints require period_size = n * 64 bytes.
+ *  0.0.15
+ *    Separated ca0106.c into separate functional .c files.
+ *  0.0.16
+ *    Modified Copyright message.
+ *  0.0.17
+ *    Implement Mic and Line in Capture.
+ *  0.0.18
+ *    Add support for mute control on SB Live 24bit (cards w/ SPI DAC)
+ *
+ *  This code was initially based on code from ALSA's emu10k1x.c which is:
+ *  Copyright (c) by Francisco Moraes <fmoraes@nc.rr.com>
+ *
+ *   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 <linux/delay.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/moduleparam.h>
+#include <sound/core.h>
+#include <sound/initval.h>
+#include <sound/pcm.h>
+#include <sound/ac97_codec.h>
+#include <sound/info.h>
+#include <sound/tlv.h>
+#include <linux/io.h>
+
+#include "ca0106.h"
+
+static void ca0106_spdif_enable(struct snd_ca0106 *emu)
+{
+       unsigned int val;
+
+       if (emu->spdif_enable) {
+               /* Digital */
+               snd_ca0106_ptr_write(emu, SPDIF_SELECT1, 0, 0xf);
+               snd_ca0106_ptr_write(emu, SPDIF_SELECT2, 0, 0x0b000000);
+               val = snd_ca0106_ptr_read(emu, CAPTURE_CONTROL, 0) & ~0x1000;
+               snd_ca0106_ptr_write(emu, CAPTURE_CONTROL, 0, val);
+               val = inl(emu->port + GPIO) & ~0x101;
+               outl(val, emu->port + GPIO);
+
+       } else {
+               /* Analog */
+               snd_ca0106_ptr_write(emu, SPDIF_SELECT1, 0, 0xf);
+               snd_ca0106_ptr_write(emu, SPDIF_SELECT2, 0, 0x000f0000);
+               val = snd_ca0106_ptr_read(emu, CAPTURE_CONTROL, 0) | 0x1000;
+               snd_ca0106_ptr_write(emu, CAPTURE_CONTROL, 0, val);
+               val = inl(emu->port + GPIO) | 0x101;
+               outl(val, emu->port + GPIO);
+       }
+}
+
+static void ca0106_set_capture_source(struct snd_ca0106 *emu)
+{
+       unsigned int val = emu->capture_source;
+       unsigned int source, mask;
+       source = (val << 28) | (val << 24) | (val << 20) | (val << 16);
+       mask = snd_ca0106_ptr_read(emu, CAPTURE_SOURCE, 0) & 0xffff;
+       snd_ca0106_ptr_write(emu, CAPTURE_SOURCE, 0, source | mask);
+}
+
+static void ca0106_set_i2c_capture_source(struct snd_ca0106 *emu,
+                                         unsigned int val, int force)
+{
+       unsigned int ngain, ogain;
+       u32 source;
+
+       snd_ca0106_i2c_write(emu, ADC_MUX, 0); /* Mute input */
+       ngain = emu->i2c_capture_volume[val][0]; /* Left */
+       ogain = emu->i2c_capture_volume[emu->i2c_capture_source][0]; /* Left */
+       if (force || ngain != ogain)
+               snd_ca0106_i2c_write(emu, ADC_ATTEN_ADCL, ngain & 0xff);
+       ngain = emu->i2c_capture_volume[val][1]; /* Right */
+       ogain = emu->i2c_capture_volume[emu->i2c_capture_source][1]; /* Right */
+       if (force || ngain != ogain)
+               snd_ca0106_i2c_write(emu, ADC_ATTEN_ADCR, ngain & 0xff);
+       source = 1 << val;
+       snd_ca0106_i2c_write(emu, ADC_MUX, source); /* Set source */
+       emu->i2c_capture_source = val;
+}
+
+static void ca0106_set_capture_mic_line_in(struct snd_ca0106 *emu)
+{
+       u32 tmp;
+
+       if (emu->capture_mic_line_in) {
+               /* snd_ca0106_i2c_write(emu, ADC_MUX, 0); */ /* Mute input */
+               tmp = inl(emu->port+GPIO) & ~0x400;
+               tmp = tmp | 0x400;
+               outl(tmp, emu->port+GPIO);
+               /* snd_ca0106_i2c_write(emu, ADC_MUX, ADC_MUX_MIC); */
+       } else {
+               /* snd_ca0106_i2c_write(emu, ADC_MUX, 0); */ /* Mute input */
+               tmp = inl(emu->port+GPIO) & ~0x400;
+               outl(tmp, emu->port+GPIO);
+               /* snd_ca0106_i2c_write(emu, ADC_MUX, ADC_MUX_LINEIN); */
+       }
+}
+
+static void ca0106_set_spdif_bits(struct snd_ca0106 *emu, int idx)
+{
+       snd_ca0106_ptr_write(emu, SPCS0 + idx, 0, emu->spdif_str_bits[idx]);
+}
+
+/*
+ */
+static const DECLARE_TLV_DB_SCALE(snd_ca0106_db_scale1, -5175, 25, 1);
+static const DECLARE_TLV_DB_SCALE(snd_ca0106_db_scale2, -10350, 50, 1);
+
+#define snd_ca0106_shared_spdif_info   snd_ctl_boolean_mono_info
+
+static int snd_ca0106_shared_spdif_get(struct snd_kcontrol *kcontrol,
+                                       struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
+
+       ucontrol->value.integer.value[0] = emu->spdif_enable;
+       return 0;
+}
+
+static int snd_ca0106_shared_spdif_put(struct snd_kcontrol *kcontrol,
+                                       struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
+       unsigned int val;
+       int change = 0;
+
+       val = !!ucontrol->value.integer.value[0];
+       change = (emu->spdif_enable != val);
+       if (change) {
+               emu->spdif_enable = val;
+               ca0106_spdif_enable(emu);
+       }
+        return change;
+}
+
+static int snd_ca0106_capture_source_info(struct snd_kcontrol *kcontrol,
+                                         struct snd_ctl_elem_info *uinfo)
+{
+       static const char * const texts[6] = {
+               "IEC958 out", "i2s mixer out", "IEC958 in", "i2s in", "AC97 in", "SRC out"
+       };
+
+       return snd_ctl_enum_info(uinfo, 1, 6, texts);
+}
+
+static int snd_ca0106_capture_source_get(struct snd_kcontrol *kcontrol,
+                                       struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
+
+       ucontrol->value.enumerated.item[0] = emu->capture_source;
+       return 0;
+}
+
+static int snd_ca0106_capture_source_put(struct snd_kcontrol *kcontrol,
+                                       struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
+       unsigned int val;
+       int change = 0;
+
+       val = ucontrol->value.enumerated.item[0] ;
+       if (val >= 6)
+               return -EINVAL;
+       change = (emu->capture_source != val);
+       if (change) {
+               emu->capture_source = val;
+               ca0106_set_capture_source(emu);
+       }
+        return change;
+}
+
+static int snd_ca0106_i2c_capture_source_info(struct snd_kcontrol *kcontrol,
+                                         struct snd_ctl_elem_info *uinfo)
+{
+       static const char * const texts[4] = {
+               "Phone", "Mic", "Line in", "Aux"
+       };
+
+       return snd_ctl_enum_info(uinfo, 1, 4, texts);
+}
+
+static int snd_ca0106_i2c_capture_source_get(struct snd_kcontrol *kcontrol,
+                                       struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
+
+       ucontrol->value.enumerated.item[0] = emu->i2c_capture_source;
+       return 0;
+}
+
+static int snd_ca0106_i2c_capture_source_put(struct snd_kcontrol *kcontrol,
+                                       struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
+       unsigned int source_id;
+       int change = 0;
+       /* If the capture source has changed,
+        * update the capture volume from the cached value
+        * for the particular source.
+        */
+       source_id = ucontrol->value.enumerated.item[0] ;
+       if (source_id >= 4)
+               return -EINVAL;
+       change = (emu->i2c_capture_source != source_id);
+       if (change) {
+               ca0106_set_i2c_capture_source(emu, source_id, 0);
+       }
+        return change;
+}
+
+static int snd_ca0106_capture_line_in_side_out_info(struct snd_kcontrol *kcontrol,
+                                              struct snd_ctl_elem_info *uinfo)
+{
+       static const char * const texts[2] = { "Side out", "Line in" };
+
+       return snd_ctl_enum_info(uinfo, 1, 2, texts);
+}
+
+static int snd_ca0106_capture_mic_line_in_info(struct snd_kcontrol *kcontrol,
+                                              struct snd_ctl_elem_info *uinfo)
+{
+       static const char * const texts[2] = { "Line in", "Mic in" };
+
+       return snd_ctl_enum_info(uinfo, 1, 2, texts);
+}
+
+static int snd_ca0106_capture_mic_line_in_get(struct snd_kcontrol *kcontrol,
+                                       struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
+
+       ucontrol->value.enumerated.item[0] = emu->capture_mic_line_in;
+       return 0;
+}
+
+static int snd_ca0106_capture_mic_line_in_put(struct snd_kcontrol *kcontrol,
+                                       struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
+       unsigned int val;
+       int change = 0;
+
+       val = ucontrol->value.enumerated.item[0] ;
+       if (val > 1)
+               return -EINVAL;
+       change = (emu->capture_mic_line_in != val);
+       if (change) {
+               emu->capture_mic_line_in = val;
+               ca0106_set_capture_mic_line_in(emu);
+       }
+        return change;
+}
+
+static struct snd_kcontrol_new snd_ca0106_capture_mic_line_in =
+{
+       .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
+       .name =         "Shared Mic/Line in Capture Switch",
+       .info =         snd_ca0106_capture_mic_line_in_info,
+       .get =          snd_ca0106_capture_mic_line_in_get,
+       .put =          snd_ca0106_capture_mic_line_in_put
+};
+
+static struct snd_kcontrol_new snd_ca0106_capture_line_in_side_out =
+{
+       .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
+       .name =         "Shared Line in/Side out Capture Switch",
+       .info =         snd_ca0106_capture_line_in_side_out_info,
+       .get =          snd_ca0106_capture_mic_line_in_get,
+       .put =          snd_ca0106_capture_mic_line_in_put
+};
+
+
+static int snd_ca0106_spdif_info(struct snd_kcontrol *kcontrol,
+                                struct snd_ctl_elem_info *uinfo)
+{
+       uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
+       uinfo->count = 1;
+       return 0;
+}
+
+static void decode_spdif_bits(unsigned char *status, unsigned int bits)
+{
+       status[0] = (bits >> 0) & 0xff;
+       status[1] = (bits >> 8) & 0xff;
+       status[2] = (bits >> 16) & 0xff;
+       status[3] = (bits >> 24) & 0xff;
+}
+
+static int snd_ca0106_spdif_get_default(struct snd_kcontrol *kcontrol,
+                                 struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
+       unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
+
+       decode_spdif_bits(ucontrol->value.iec958.status,
+                         emu->spdif_bits[idx]);
+        return 0;
+}
+
+static int snd_ca0106_spdif_get_stream(struct snd_kcontrol *kcontrol,
+                                 struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
+       unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
+
+       decode_spdif_bits(ucontrol->value.iec958.status,
+                         emu->spdif_str_bits[idx]);
+        return 0;
+}
+
+static int snd_ca0106_spdif_get_mask(struct snd_kcontrol *kcontrol,
+                                     struct snd_ctl_elem_value *ucontrol)
+{
+       ucontrol->value.iec958.status[0] = 0xff;
+       ucontrol->value.iec958.status[1] = 0xff;
+       ucontrol->value.iec958.status[2] = 0xff;
+       ucontrol->value.iec958.status[3] = 0xff;
+        return 0;
+}
+
+static unsigned int encode_spdif_bits(unsigned char *status)
+{
+       return ((unsigned int)status[0] << 0) |
+               ((unsigned int)status[1] << 8) |
+               ((unsigned int)status[2] << 16) |
+               ((unsigned int)status[3] << 24);
+}
+
+static int snd_ca0106_spdif_put_default(struct snd_kcontrol *kcontrol,
+                                 struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
+       unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
+       unsigned int val;
+
+       val = encode_spdif_bits(ucontrol->value.iec958.status);
+       if (val != emu->spdif_bits[idx]) {
+               emu->spdif_bits[idx] = val;
+               /* FIXME: this isn't safe, but needed to keep the compatibility
+                * with older alsa-lib config
+                */
+               emu->spdif_str_bits[idx] = val;
+               ca0106_set_spdif_bits(emu, idx);
+               return 1;
+       }
+       return 0;
+}
+
+static int snd_ca0106_spdif_put_stream(struct snd_kcontrol *kcontrol,
+                                 struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
+       unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
+       unsigned int val;
+
+       val = encode_spdif_bits(ucontrol->value.iec958.status);
+       if (val != emu->spdif_str_bits[idx]) {
+               emu->spdif_str_bits[idx] = val;
+               ca0106_set_spdif_bits(emu, idx);
+               return 1;
+       }
+        return 0;
+}
+
+static int snd_ca0106_volume_info(struct snd_kcontrol *kcontrol,
+                                 struct snd_ctl_elem_info *uinfo)
+{
+        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+        uinfo->count = 2;
+        uinfo->value.integer.min = 0;
+        uinfo->value.integer.max = 255;
+        return 0;
+}
+
+static int snd_ca0106_volume_get(struct snd_kcontrol *kcontrol,
+                                struct snd_ctl_elem_value *ucontrol)
+{
+        struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
+        unsigned int value;
+       int channel_id, reg;
+
+       channel_id = (kcontrol->private_value >> 8) & 0xff;
+       reg = kcontrol->private_value & 0xff;
+
+        value = snd_ca0106_ptr_read(emu, reg, channel_id);
+        ucontrol->value.integer.value[0] = 0xff - ((value >> 24) & 0xff); /* Left */
+        ucontrol->value.integer.value[1] = 0xff - ((value >> 16) & 0xff); /* Right */
+        return 0;
+}
+
+static int snd_ca0106_volume_put(struct snd_kcontrol *kcontrol,
+                                struct snd_ctl_elem_value *ucontrol)
+{
+        struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
+        unsigned int oval, nval;
+       int channel_id, reg;
+
+       channel_id = (kcontrol->private_value >> 8) & 0xff;
+       reg = kcontrol->private_value & 0xff;
+
+       oval = snd_ca0106_ptr_read(emu, reg, channel_id);
+       nval = ((0xff - ucontrol->value.integer.value[0]) << 24) |
+               ((0xff - ucontrol->value.integer.value[1]) << 16);
+        nval |= ((0xff - ucontrol->value.integer.value[0]) << 8) |
+               ((0xff - ucontrol->value.integer.value[1]) );
+       if (oval == nval)
+               return 0;
+       snd_ca0106_ptr_write(emu, reg, channel_id, nval);
+       return 1;
+}
+
+static int snd_ca0106_i2c_volume_info(struct snd_kcontrol *kcontrol,
+                                 struct snd_ctl_elem_info *uinfo)
+{
+        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+        uinfo->count = 2;
+        uinfo->value.integer.min = 0;
+        uinfo->value.integer.max = 255;
+        return 0;
+}
+
+static int snd_ca0106_i2c_volume_get(struct snd_kcontrol *kcontrol,
+                                struct snd_ctl_elem_value *ucontrol)
+{
+        struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
+       int source_id;
+
+       source_id = kcontrol->private_value;
+
+        ucontrol->value.integer.value[0] = emu->i2c_capture_volume[source_id][0];
+        ucontrol->value.integer.value[1] = emu->i2c_capture_volume[source_id][1];
+        return 0;
+}
+
+static int snd_ca0106_i2c_volume_put(struct snd_kcontrol *kcontrol,
+                                struct snd_ctl_elem_value *ucontrol)
+{
+        struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
+        unsigned int ogain;
+        unsigned int ngain;
+       int source_id;
+       int change = 0;
+
+       source_id = kcontrol->private_value;
+       ogain = emu->i2c_capture_volume[source_id][0]; /* Left */
+       ngain = ucontrol->value.integer.value[0];
+       if (ngain > 0xff)
+               return -EINVAL;
+       if (ogain != ngain) {
+               if (emu->i2c_capture_source == source_id)
+                       snd_ca0106_i2c_write(emu, ADC_ATTEN_ADCL, ((ngain) & 0xff) );
+               emu->i2c_capture_volume[source_id][0] = ucontrol->value.integer.value[0];
+               change = 1;
+       }
+       ogain = emu->i2c_capture_volume[source_id][1]; /* Right */
+       ngain = ucontrol->value.integer.value[1];
+       if (ngain > 0xff)
+               return -EINVAL;
+       if (ogain != ngain) {
+               if (emu->i2c_capture_source == source_id)
+                       snd_ca0106_i2c_write(emu, ADC_ATTEN_ADCR, ((ngain) & 0xff));
+               emu->i2c_capture_volume[source_id][1] = ucontrol->value.integer.value[1];
+               change = 1;
+       }
+
+       return change;
+}
+
+#define spi_mute_info  snd_ctl_boolean_mono_info
+
+static int spi_mute_get(struct snd_kcontrol *kcontrol,
+                       struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
+       unsigned int reg = kcontrol->private_value >> SPI_REG_SHIFT;
+       unsigned int bit = kcontrol->private_value & SPI_REG_MASK;
+
+       ucontrol->value.integer.value[0] = !(emu->spi_dac_reg[reg] & bit);
+       return 0;
+}
+
+static int spi_mute_put(struct snd_kcontrol *kcontrol,
+                       struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
+       unsigned int reg = kcontrol->private_value >> SPI_REG_SHIFT;
+       unsigned int bit = kcontrol->private_value & SPI_REG_MASK;
+       int ret;
+
+       ret = emu->spi_dac_reg[reg] & bit;
+       if (ucontrol->value.integer.value[0]) {
+               if (!ret)       /* bit already cleared, do nothing */
+                       return 0;
+               emu->spi_dac_reg[reg] &= ~bit;
+       } else {
+               if (ret)        /* bit already set, do nothing */
+                       return 0;
+               emu->spi_dac_reg[reg] |= bit;
+       }
+
+       ret = snd_ca0106_spi_write(emu, emu->spi_dac_reg[reg]);
+       return ret ? -EINVAL : 1;
+}
+
+#define CA_VOLUME(xname,chid,reg) \
+{                                                              \
+       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,     \
+       .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |             \
+                 SNDRV_CTL_ELEM_ACCESS_TLV_READ,               \
+       .info =  snd_ca0106_volume_info,                        \
+       .get =   snd_ca0106_volume_get,                         \
+       .put =   snd_ca0106_volume_put,                         \
+       .tlv = { .p = snd_ca0106_db_scale1 },                   \
+       .private_value = ((chid) << 8) | (reg)                  \
+}
+
+static struct snd_kcontrol_new snd_ca0106_volume_ctls[] = {
+       CA_VOLUME("Analog Front Playback Volume",
+                 CONTROL_FRONT_CHANNEL, PLAYBACK_VOLUME2),
+        CA_VOLUME("Analog Rear Playback Volume",
+                 CONTROL_REAR_CHANNEL, PLAYBACK_VOLUME2),
+       CA_VOLUME("Analog Center/LFE Playback Volume",
+                 CONTROL_CENTER_LFE_CHANNEL, PLAYBACK_VOLUME2),
+        CA_VOLUME("Analog Side Playback Volume",
+                 CONTROL_UNKNOWN_CHANNEL, PLAYBACK_VOLUME2),
+
+        CA_VOLUME("IEC958 Front Playback Volume",
+                 CONTROL_FRONT_CHANNEL, PLAYBACK_VOLUME1),
+       CA_VOLUME("IEC958 Rear Playback Volume",
+                 CONTROL_REAR_CHANNEL, PLAYBACK_VOLUME1),
+       CA_VOLUME("IEC958 Center/LFE Playback Volume",
+                 CONTROL_CENTER_LFE_CHANNEL, PLAYBACK_VOLUME1),
+       CA_VOLUME("IEC958 Unknown Playback Volume",
+                 CONTROL_UNKNOWN_CHANNEL, PLAYBACK_VOLUME1),
+
+        CA_VOLUME("CAPTURE feedback Playback Volume",
+                 1, CAPTURE_CONTROL),
+
+       {
+               .access =       SNDRV_CTL_ELEM_ACCESS_READ,
+               .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
+               .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK),
+               .count =        4,
+               .info =         snd_ca0106_spdif_info,
+               .get =          snd_ca0106_spdif_get_mask
+       },
+       {
+               .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
+               .name =         "IEC958 Playback Switch",
+               .info =         snd_ca0106_shared_spdif_info,
+               .get =          snd_ca0106_shared_spdif_get,
+               .put =          snd_ca0106_shared_spdif_put
+       },
+       {
+               .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
+               .name =         "Digital Source Capture Enum",
+               .info =         snd_ca0106_capture_source_info,
+               .get =          snd_ca0106_capture_source_get,
+               .put =          snd_ca0106_capture_source_put
+       },
+       {
+               .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
+               .name =         "Analog Source Capture Enum",
+               .info =         snd_ca0106_i2c_capture_source_info,
+               .get =          snd_ca0106_i2c_capture_source_get,
+               .put =          snd_ca0106_i2c_capture_source_put
+       },
+       {
+               .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
+               .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
+               .count =        4,
+               .info =         snd_ca0106_spdif_info,
+               .get =          snd_ca0106_spdif_get_default,
+               .put =          snd_ca0106_spdif_put_default
+       },
+       {
+               .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
+               .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
+               .count =        4,
+               .info =         snd_ca0106_spdif_info,
+               .get =          snd_ca0106_spdif_get_stream,
+               .put =          snd_ca0106_spdif_put_stream
+       },
+};
+
+#define I2C_VOLUME(xname,chid) \
+{                                                              \
+       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,     \
+       .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |             \
+                 SNDRV_CTL_ELEM_ACCESS_TLV_READ,               \
+       .info =  snd_ca0106_i2c_volume_info,                    \
+       .get =   snd_ca0106_i2c_volume_get,                     \
+       .put =   snd_ca0106_i2c_volume_put,                     \
+       .tlv = { .p = snd_ca0106_db_scale2 },                   \
+       .private_value = chid                                   \
+}
+
+static struct snd_kcontrol_new snd_ca0106_volume_i2c_adc_ctls[] = {
+        I2C_VOLUME("Phone Capture Volume", 0),
+        I2C_VOLUME("Mic Capture Volume", 1),
+        I2C_VOLUME("Line in Capture Volume", 2),
+        I2C_VOLUME("Aux Capture Volume", 3),
+};
+
+static const int spi_dmute_reg[] = {
+       SPI_DMUTE0_REG,
+       SPI_DMUTE1_REG,
+       SPI_DMUTE2_REG,
+       0,
+       SPI_DMUTE4_REG,
+};
+static const int spi_dmute_bit[] = {
+       SPI_DMUTE0_BIT,
+       SPI_DMUTE1_BIT,
+       SPI_DMUTE2_BIT,
+       0,
+       SPI_DMUTE4_BIT,
+};
+
+static struct snd_kcontrol_new
+snd_ca0106_volume_spi_dac_ctl(struct snd_ca0106_details *details,
+                             int channel_id)
+{
+       struct snd_kcontrol_new spi_switch = {0};
+       int reg, bit;
+       int dac_id;
+
+       spi_switch.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+       spi_switch.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
+       spi_switch.info = spi_mute_info;
+       spi_switch.get = spi_mute_get;
+       spi_switch.put = spi_mute_put;
+
+       switch (channel_id) {
+       case PCM_FRONT_CHANNEL:
+               spi_switch.name = "Analog Front Playback Switch";
+               dac_id = (details->spi_dac & 0xf000) >> (4 * 3);
+               break;
+       case PCM_REAR_CHANNEL:
+               spi_switch.name = "Analog Rear Playback Switch";
+               dac_id = (details->spi_dac & 0x0f00) >> (4 * 2);
+               break;
+       case PCM_CENTER_LFE_CHANNEL:
+               spi_switch.name = "Analog Center/LFE Playback Switch";
+               dac_id = (details->spi_dac & 0x00f0) >> (4 * 1);
+               break;
+       case PCM_UNKNOWN_CHANNEL:
+               spi_switch.name = "Analog Side Playback Switch";
+               dac_id = (details->spi_dac & 0x000f) >> (4 * 0);
+               break;
+       default:
+               /* Unused channel */
+               spi_switch.name = NULL;
+               dac_id = 0;
+       }
+       reg = spi_dmute_reg[dac_id];
+       bit = spi_dmute_bit[dac_id];
+
+       spi_switch.private_value = (reg << SPI_REG_SHIFT) | bit;
+
+       return spi_switch;
+}
+
+static int remove_ctl(struct snd_card *card, const char *name)
+{
+       struct snd_ctl_elem_id id;
+       memset(&id, 0, sizeof(id));
+       strcpy(id.name, name);
+       id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+       return snd_ctl_remove_id(card, &id);
+}
+
+static struct snd_kcontrol *ctl_find(struct snd_card *card, const char *name)
+{
+       struct snd_ctl_elem_id sid;
+       memset(&sid, 0, sizeof(sid));
+       /* FIXME: strcpy is bad. */
+       strcpy(sid.name, name);
+       sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+       return snd_ctl_find_id(card, &sid);
+}
+
+static int rename_ctl(struct snd_card *card, const char *src, const char *dst)
+{
+       struct snd_kcontrol *kctl = ctl_find(card, src);
+       if (kctl) {
+               strcpy(kctl->id.name, dst);
+               return 0;
+       }
+       return -ENOENT;
+}
+
+#define ADD_CTLS(emu, ctls)                                            \
+       do {                                                            \
+               int i, _err;                                            \
+               for (i = 0; i < ARRAY_SIZE(ctls); i++) {                \
+                       _err = snd_ctl_add(card, snd_ctl_new1(&ctls[i], emu)); \
+                       if (_err < 0)                                   \
+                               return _err;                            \
+               }                                                       \
+       } while (0)
+
+static
+DECLARE_TLV_DB_SCALE(snd_ca0106_master_db_scale, -6375, 25, 1);
+
+static char *slave_vols[] = {
+       "Analog Front Playback Volume",
+        "Analog Rear Playback Volume",
+       "Analog Center/LFE Playback Volume",
+        "Analog Side Playback Volume",
+        "IEC958 Front Playback Volume",
+       "IEC958 Rear Playback Volume",
+       "IEC958 Center/LFE Playback Volume",
+       "IEC958 Unknown Playback Volume",
+        "CAPTURE feedback Playback Volume",
+       NULL
+};
+
+static char *slave_sws[] = {
+       "Analog Front Playback Switch",
+       "Analog Rear Playback Switch",
+       "Analog Center/LFE Playback Switch",
+       "Analog Side Playback Switch",
+       "IEC958 Playback Switch",
+       NULL
+};
+
+static void add_slaves(struct snd_card *card,
+                                struct snd_kcontrol *master, char **list)
+{
+       for (; *list; list++) {
+               struct snd_kcontrol *slave = ctl_find(card, *list);
+               if (slave)
+                       snd_ctl_add_slave(master, slave);
+       }
+}
+
+int snd_ca0106_mixer(struct snd_ca0106 *emu)
+{
+       int err;
+        struct snd_card *card = emu->card;
+       char **c;
+       struct snd_kcontrol *vmaster;
+       static char *ca0106_remove_ctls[] = {
+               "Master Mono Playback Switch",
+               "Master Mono Playback Volume",
+               "3D Control - Switch",
+               "3D Control Sigmatel - Depth",
+               "PCM Playback Switch",
+               "PCM Playback Volume",
+               "CD Playback Switch",
+               "CD Playback Volume",
+               "Phone Playback Switch",
+               "Phone Playback Volume",
+               "Video Playback Switch",
+               "Video Playback Volume",
+               "Beep Playback Switch",
+               "Beep Playback Volume",
+               "Mono Output Select",
+               "Capture Source",
+               "Capture Switch",
+               "Capture Volume",
+               "External Amplifier",
+               "Sigmatel 4-Speaker Stereo Playback Switch",
+               "Surround Phase Inversion Playback Switch",
+               NULL
+       };
+       static char *ca0106_rename_ctls[] = {
+               "Master Playback Switch", "Capture Switch",
+               "Master Playback Volume", "Capture Volume",
+               "Line Playback Switch", "AC97 Line Capture Switch",
+               "Line Playback Volume", "AC97 Line Capture Volume",
+               "Aux Playback Switch", "AC97 Aux Capture Switch",
+               "Aux Playback Volume", "AC97 Aux Capture Volume",
+               "Mic Playback Switch", "AC97 Mic Capture Switch",
+               "Mic Playback Volume", "AC97 Mic Capture Volume",
+               "Mic Select", "AC97 Mic Select",
+               "Mic Boost (+20dB)", "AC97 Mic Boost (+20dB)",
+               NULL
+       };
+#if 1
+       for (c = ca0106_remove_ctls; *c; c++)
+               remove_ctl(card, *c);
+       for (c = ca0106_rename_ctls; *c; c += 2)
+               rename_ctl(card, c[0], c[1]);
+#endif
+
+       ADD_CTLS(emu, snd_ca0106_volume_ctls);
+       if (emu->details->i2c_adc == 1) {
+               ADD_CTLS(emu, snd_ca0106_volume_i2c_adc_ctls);
+               if (emu->details->gpio_type == 1)
+                       err = snd_ctl_add(card, snd_ctl_new1(&snd_ca0106_capture_mic_line_in, emu));
+               else  /* gpio_type == 2 */
+                       err = snd_ctl_add(card, snd_ctl_new1(&snd_ca0106_capture_line_in_side_out, emu));
+               if (err < 0)
+                       return err;
+       }
+       if (emu->details->spi_dac) {
+               int i;
+               for (i = 0;; i++) {
+                       struct snd_kcontrol_new ctl;
+                       ctl = snd_ca0106_volume_spi_dac_ctl(emu->details, i);
+                       if (!ctl.name)
+                               break;
+                       err = snd_ctl_add(card, snd_ctl_new1(&ctl, emu));
+                       if (err < 0)
+                               return err;
+               }
+       }
+
+       /* Create virtual master controls */
+       vmaster = snd_ctl_make_virtual_master("Master Playback Volume",
+                                             snd_ca0106_master_db_scale);
+       if (!vmaster)
+               return -ENOMEM;
+       err = snd_ctl_add(card, vmaster);
+       if (err < 0)
+               return err;
+       add_slaves(card, vmaster, slave_vols);
+
+       if (emu->details->spi_dac) {
+               vmaster = snd_ctl_make_virtual_master("Master Playback Switch",
+                                                     NULL);
+               if (!vmaster)
+                       return -ENOMEM;
+               err = snd_ctl_add(card, vmaster);
+               if (err < 0)
+                       return err;
+               add_slaves(card, vmaster, slave_sws);
+       }
+
+       strcpy(card->mixername, "CA0106");
+        return 0;
+}
+
+#ifdef CONFIG_PM_SLEEP
+struct ca0106_vol_tbl {
+       unsigned int channel_id;
+       unsigned int reg;
+};
+
+static struct ca0106_vol_tbl saved_volumes[NUM_SAVED_VOLUMES] = {
+       { CONTROL_FRONT_CHANNEL, PLAYBACK_VOLUME2 },
+       { CONTROL_REAR_CHANNEL, PLAYBACK_VOLUME2 },
+       { CONTROL_CENTER_LFE_CHANNEL, PLAYBACK_VOLUME2 },
+       { CONTROL_UNKNOWN_CHANNEL, PLAYBACK_VOLUME2 },
+       { CONTROL_FRONT_CHANNEL, PLAYBACK_VOLUME1 },
+       { CONTROL_REAR_CHANNEL, PLAYBACK_VOLUME1 },
+       { CONTROL_CENTER_LFE_CHANNEL, PLAYBACK_VOLUME1 },
+       { CONTROL_UNKNOWN_CHANNEL, PLAYBACK_VOLUME1 },
+       { 1, CAPTURE_CONTROL },
+};
+
+void snd_ca0106_mixer_suspend(struct snd_ca0106 *chip)
+{
+       int i;
+
+       /* save volumes */
+       for (i = 0; i < NUM_SAVED_VOLUMES; i++)
+               chip->saved_vol[i] =
+                       snd_ca0106_ptr_read(chip, saved_volumes[i].reg,
+                                           saved_volumes[i].channel_id);
+}
+
+void snd_ca0106_mixer_resume(struct snd_ca0106  *chip)
+{
+       int i;
+
+       for (i = 0; i < NUM_SAVED_VOLUMES; i++)
+               snd_ca0106_ptr_write(chip, saved_volumes[i].reg,
+                                    saved_volumes[i].channel_id,
+                                    chip->saved_vol[i]);
+
+       ca0106_spdif_enable(chip);
+       ca0106_set_capture_source(chip);
+       ca0106_set_i2c_capture_source(chip, chip->i2c_capture_source, 1);
+       for (i = 0; i < 4; i++)
+               ca0106_set_spdif_bits(chip, i);
+       if (chip->details->i2c_adc)
+               ca0106_set_capture_mic_line_in(chip);
+}
+#endif /* CONFIG_PM_SLEEP */