Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / sound / pci / ice1712 / phase.c
diff --git a/kernel/sound/pci/ice1712/phase.c b/kernel/sound/pci/ice1712/phase.c
new file mode 100644 (file)
index 0000000..e9ca89c
--- /dev/null
@@ -0,0 +1,964 @@
+/*
+ *   ALSA driver for ICEnsemble ICE1724 (Envy24)
+ *
+ *   Lowlevel functions for Terratec PHASE 22
+ *
+ *     Copyright (c) 2005 Misha Zhilin <misha@epiphan.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
+ *
+ */
+
+/* PHASE 22 overview:
+ *   Audio controller: VIA Envy24HT-S (slightly trimmed down Envy24HT, 4in/4out)
+ *   Analog chip: AK4524 (partially via Philip's 74HCT125)
+ *   Digital receiver: CS8414-CS (supported in this release)
+ *             PHASE 22 revision 2.0 and Terrasoniq/Musonik TS22PCI have CS8416
+ *             (support status unknown, please test and report)
+ *
+ *   Envy connects to AK4524
+ *     - CS directly from GPIO 10
+ *     - CCLK via 74HCT125's gate #4 from GPIO 4
+ *     - CDTI via 74HCT125's gate #2 from GPIO 5
+ *             CDTI may be completely blocked by 74HCT125's gate #1
+ *             controlled by GPIO 3
+ */
+
+/* PHASE 28 overview:
+ *   Audio controller: VIA Envy24HT (full untrimmed version, 4in/8out)
+ *   Analog chip: WM8770 (8 channel 192k DAC, 2 channel 96k ADC)
+ *   Digital receiver: CS8414-CS (supported in this release)
+ */
+
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/mutex.h>
+
+#include <sound/core.h>
+
+#include "ice1712.h"
+#include "envy24ht.h"
+#include "phase.h"
+#include <sound/tlv.h>
+
+/* AC97 register cache for Phase28 */
+struct phase28_spec {
+       unsigned short master[2];
+       unsigned short vol[8];
+};
+
+/* WM8770 registers */
+#define WM_DAC_ATTEN           0x00    /* DAC1-8 analog attenuation */
+#define WM_DAC_MASTER_ATTEN    0x08    /* DAC master analog attenuation */
+#define WM_DAC_DIG_ATTEN       0x09    /* DAC1-8 digital attenuation */
+#define WM_DAC_DIG_MASTER_ATTEN        0x11    /* DAC master digital attenuation */
+#define WM_PHASE_SWAP          0x12    /* DAC phase */
+#define WM_DAC_CTRL1           0x13    /* DAC control bits */
+#define WM_MUTE                        0x14    /* mute controls */
+#define WM_DAC_CTRL2           0x15    /* de-emphasis and zefo-flag */
+#define WM_INT_CTRL            0x16    /* interface control */
+#define WM_MASTER              0x17    /* master clock and mode */
+#define WM_POWERDOWN           0x18    /* power-down controls */
+#define WM_ADC_GAIN            0x19    /* ADC gain L(19)/R(1a) */
+#define WM_ADC_MUX             0x1b    /* input MUX */
+#define WM_OUT_MUX1            0x1c    /* output MUX */
+#define WM_OUT_MUX2            0x1e    /* output MUX */
+#define WM_RESET               0x1f    /* software reset */
+
+
+/*
+ * Logarithmic volume values for WM8770
+ * Computed as 20 * Log10(255 / x)
+ */
+static const unsigned char wm_vol[256] = {
+       127, 48, 42, 39, 36, 34, 33, 31, 30, 29, 28, 27, 27, 26, 25, 25, 24,
+       24, 23, 23, 22, 22, 21, 21, 21, 20, 20, 20, 19, 19, 19, 18, 18, 18, 18,
+       17, 17, 17, 17, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14,
+       14, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11,
+       11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9,
+       9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7,
+       7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5,
+       5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+       4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+       3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+       2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+       1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+};
+
+#define WM_VOL_MAX     (sizeof(wm_vol) - 1)
+#define WM_VOL_MUTE    0x8000
+
+static struct snd_akm4xxx akm_phase22 = {
+       .type = SND_AK4524,
+       .num_dacs = 2,
+       .num_adcs = 2,
+};
+
+static struct snd_ak4xxx_private akm_phase22_priv = {
+       .caddr =        2,
+       .cif =          1,
+       .data_mask =    1 << 4,
+       .clk_mask =     1 << 5,
+       .cs_mask =      1 << 10,
+       .cs_addr =      1 << 10,
+       .cs_none =      0,
+       .add_flags =    1 << 3,
+       .mask_flags =   0,
+};
+
+static int phase22_init(struct snd_ice1712 *ice)
+{
+       struct snd_akm4xxx *ak;
+       int err;
+
+       /* Configure DAC/ADC description for generic part of ice1724 */
+       switch (ice->eeprom.subvendor) {
+       case VT1724_SUBDEVICE_PHASE22:
+       case VT1724_SUBDEVICE_TS22:
+               ice->num_total_dacs = 2;
+               ice->num_total_adcs = 2;
+               ice->vt1720 = 1; /* Envy24HT-S have 16 bit wide GPIO */
+               break;
+       default:
+               snd_BUG();
+               return -EINVAL;
+       }
+
+       /* Initialize analog chips */
+       ice->akm = kzalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL);
+       ak = ice->akm;
+       if (!ak)
+               return -ENOMEM;
+       ice->akm_codecs = 1;
+       switch (ice->eeprom.subvendor) {
+       case VT1724_SUBDEVICE_PHASE22:
+       case VT1724_SUBDEVICE_TS22:
+               err = snd_ice1712_akm4xxx_init(ak, &akm_phase22,
+                                               &akm_phase22_priv, ice);
+               if (err < 0)
+                       return err;
+               break;
+       }
+
+       return 0;
+}
+
+static int phase22_add_controls(struct snd_ice1712 *ice)
+{
+       int err = 0;
+
+       switch (ice->eeprom.subvendor) {
+       case VT1724_SUBDEVICE_PHASE22:
+       case VT1724_SUBDEVICE_TS22:
+               err = snd_ice1712_akm4xxx_build_controls(ice);
+               if (err < 0)
+                       return err;
+       }
+       return 0;
+}
+
+static unsigned char phase22_eeprom[] = {
+       [ICE_EEP2_SYSCONF]     = 0x28,  /* clock 512, mpu 401,
+                                       spdif-in/1xADC, 1xDACs */
+       [ICE_EEP2_ACLINK]      = 0x80,  /* I2S */
+       [ICE_EEP2_I2S]         = 0xf0,  /* vol, 96k, 24bit */
+       [ICE_EEP2_SPDIF]       = 0xc3,  /* out-en, out-int, spdif-in */
+       [ICE_EEP2_GPIO_DIR]    = 0xff,
+       [ICE_EEP2_GPIO_DIR1]   = 0xff,
+       [ICE_EEP2_GPIO_DIR2]   = 0xff,
+       [ICE_EEP2_GPIO_MASK]   = 0x00,
+       [ICE_EEP2_GPIO_MASK1]  = 0x00,
+       [ICE_EEP2_GPIO_MASK2]  = 0x00,
+       [ICE_EEP2_GPIO_STATE]  = 0x00,
+       [ICE_EEP2_GPIO_STATE1] = 0x00,
+       [ICE_EEP2_GPIO_STATE2] = 0x00,
+};
+
+static unsigned char phase28_eeprom[] = {
+       [ICE_EEP2_SYSCONF]     = 0x2b,  /* clock 512, mpu401,
+                                       spdif-in/1xADC, 4xDACs */
+       [ICE_EEP2_ACLINK]      = 0x80,  /* I2S */
+       [ICE_EEP2_I2S]         = 0xfc,  /* vol, 96k, 24bit, 192k */
+       [ICE_EEP2_SPDIF]       = 0xc3,  /* out-en, out-int, spdif-in */
+       [ICE_EEP2_GPIO_DIR]    = 0xff,
+       [ICE_EEP2_GPIO_DIR1]   = 0xff,
+       [ICE_EEP2_GPIO_DIR2]   = 0x5f,
+       [ICE_EEP2_GPIO_MASK]   = 0x00,
+       [ICE_EEP2_GPIO_MASK1]  = 0x00,
+       [ICE_EEP2_GPIO_MASK2]  = 0x00,
+       [ICE_EEP2_GPIO_STATE]  = 0x00,
+       [ICE_EEP2_GPIO_STATE1] = 0x00,
+       [ICE_EEP2_GPIO_STATE2] = 0x00,
+};
+
+/*
+ * write data in the SPI mode
+ */
+static void phase28_spi_write(struct snd_ice1712 *ice, unsigned int cs,
+                               unsigned int data, int bits)
+{
+       unsigned int tmp;
+       int i;
+
+       tmp = snd_ice1712_gpio_read(ice);
+
+       snd_ice1712_gpio_set_mask(ice, ~(PHASE28_WM_RW|PHASE28_SPI_MOSI|
+                                       PHASE28_SPI_CLK|PHASE28_WM_CS));
+       tmp |= PHASE28_WM_RW;
+       tmp &= ~cs;
+       snd_ice1712_gpio_write(ice, tmp);
+       udelay(1);
+
+       for (i = bits - 1; i >= 0; i--) {
+               tmp &= ~PHASE28_SPI_CLK;
+               snd_ice1712_gpio_write(ice, tmp);
+               udelay(1);
+               if (data & (1 << i))
+                       tmp |= PHASE28_SPI_MOSI;
+               else
+                       tmp &= ~PHASE28_SPI_MOSI;
+               snd_ice1712_gpio_write(ice, tmp);
+               udelay(1);
+               tmp |= PHASE28_SPI_CLK;
+               snd_ice1712_gpio_write(ice, tmp);
+               udelay(1);
+       }
+
+       tmp &= ~PHASE28_SPI_CLK;
+       tmp |= cs;
+       snd_ice1712_gpio_write(ice, tmp);
+       udelay(1);
+       tmp |= PHASE28_SPI_CLK;
+       snd_ice1712_gpio_write(ice, tmp);
+       udelay(1);
+}
+
+/*
+ * get the current register value of WM codec
+ */
+static unsigned short wm_get(struct snd_ice1712 *ice, int reg)
+{
+       reg <<= 1;
+       return ((unsigned short)ice->akm[0].images[reg] << 8) |
+               ice->akm[0].images[reg + 1];
+}
+
+/*
+ * set the register value of WM codec
+ */
+static void wm_put_nocache(struct snd_ice1712 *ice, int reg, unsigned short val)
+{
+       phase28_spi_write(ice, PHASE28_WM_CS, (reg << 9) | (val & 0x1ff), 16);
+}
+
+/*
+ * set the register value of WM codec and remember it
+ */
+static void wm_put(struct snd_ice1712 *ice, int reg, unsigned short val)
+{
+       wm_put_nocache(ice, reg, val);
+       reg <<= 1;
+       ice->akm[0].images[reg] = val >> 8;
+       ice->akm[0].images[reg + 1] = val;
+}
+
+static void wm_set_vol(struct snd_ice1712 *ice, unsigned int index,
+                       unsigned short vol, unsigned short master)
+{
+       unsigned char nvol;
+
+       if ((master & WM_VOL_MUTE) || (vol & WM_VOL_MUTE))
+               nvol = 0;
+       else
+               nvol = 127 - wm_vol[(((vol & ~WM_VOL_MUTE) *
+                       (master & ~WM_VOL_MUTE)) / 127) & WM_VOL_MAX];
+
+       wm_put(ice, index, nvol);
+       wm_put_nocache(ice, index, 0x180 | nvol);
+}
+
+/*
+ * DAC mute control
+ */
+#define wm_pcm_mute_info       snd_ctl_boolean_mono_info
+
+static int wm_pcm_mute_get(struct snd_kcontrol *kcontrol,
+                               struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+
+       mutex_lock(&ice->gpio_mutex);
+       ucontrol->value.integer.value[0] = (wm_get(ice, WM_MUTE) & 0x10) ?
+                                               0 : 1;
+       mutex_unlock(&ice->gpio_mutex);
+       return 0;
+}
+
+static int wm_pcm_mute_put(struct snd_kcontrol *kcontrol,
+                               struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+       unsigned short nval, oval;
+       int change;
+
+       snd_ice1712_save_gpio_status(ice);
+       oval = wm_get(ice, WM_MUTE);
+       nval = (oval & ~0x10) | (ucontrol->value.integer.value[0] ? 0 : 0x10);
+       change = (nval != oval);
+       if (change)
+               wm_put(ice, WM_MUTE, nval);
+       snd_ice1712_restore_gpio_status(ice);
+
+       return change;
+}
+
+/*
+ * Master volume attenuation mixer control
+ */
+static int wm_master_vol_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 = WM_VOL_MAX;
+       return 0;
+}
+
+static int wm_master_vol_get(struct snd_kcontrol *kcontrol,
+                               struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+       struct phase28_spec *spec = ice->spec;
+       int i;
+       for (i = 0; i < 2; i++)
+               ucontrol->value.integer.value[i] = spec->master[i] &
+                                                       ~WM_VOL_MUTE;
+       return 0;
+}
+
+static int wm_master_vol_put(struct snd_kcontrol *kcontrol,
+                               struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+       struct phase28_spec *spec = ice->spec;
+       int ch, change = 0;
+
+       snd_ice1712_save_gpio_status(ice);
+       for (ch = 0; ch < 2; ch++) {
+               unsigned int vol = ucontrol->value.integer.value[ch];
+               if (vol > WM_VOL_MAX)
+                       continue;
+               vol |= spec->master[ch] & WM_VOL_MUTE;
+               if (vol != spec->master[ch]) {
+                       int dac;
+                       spec->master[ch] = vol;
+                       for (dac = 0; dac < ice->num_total_dacs; dac += 2)
+                               wm_set_vol(ice, WM_DAC_ATTEN + dac + ch,
+                                          spec->vol[dac + ch],
+                                          spec->master[ch]);
+                       change = 1;
+               }
+       }
+       snd_ice1712_restore_gpio_status(ice);
+       return change;
+}
+
+static int phase28_init(struct snd_ice1712 *ice)
+{
+       static const unsigned short wm_inits_phase28[] = {
+               /* These come first to reduce init pop noise */
+               0x1b, 0x044,    /* ADC Mux (AC'97 source) */
+               0x1c, 0x00B,    /* Out Mux1 (VOUT1 = DAC+AUX, VOUT2 = DAC) */
+               0x1d, 0x009,    /* Out Mux2 (VOUT2 = DAC, VOUT3 = DAC) */
+
+               0x18, 0x000,    /* All power-up */
+
+               0x16, 0x122,    /* I2S, normal polarity, 24bit */
+               0x17, 0x022,    /* 256fs, slave mode */
+               0x00, 0,        /* DAC1 analog mute */
+               0x01, 0,        /* DAC2 analog mute */
+               0x02, 0,        /* DAC3 analog mute */
+               0x03, 0,        /* DAC4 analog mute */
+               0x04, 0,        /* DAC5 analog mute */
+               0x05, 0,        /* DAC6 analog mute */
+               0x06, 0,        /* DAC7 analog mute */
+               0x07, 0,        /* DAC8 analog mute */
+               0x08, 0x100,    /* master analog mute */
+               0x09, 0xff,     /* DAC1 digital full */
+               0x0a, 0xff,     /* DAC2 digital full */
+               0x0b, 0xff,     /* DAC3 digital full */
+               0x0c, 0xff,     /* DAC4 digital full */
+               0x0d, 0xff,     /* DAC5 digital full */
+               0x0e, 0xff,     /* DAC6 digital full */
+               0x0f, 0xff,     /* DAC7 digital full */
+               0x10, 0xff,     /* DAC8 digital full */
+               0x11, 0x1ff,    /* master digital full */
+               0x12, 0x000,    /* phase normal */
+               0x13, 0x090,    /* unmute DAC L/R */
+               0x14, 0x000,    /* all unmute */
+               0x15, 0x000,    /* no deemphasis, no ZFLG */
+               0x19, 0x000,    /* -12dB ADC/L */
+               0x1a, 0x000,    /* -12dB ADC/R */
+               (unsigned short)-1
+       };
+
+       unsigned int tmp;
+       struct snd_akm4xxx *ak;
+       struct phase28_spec *spec;
+       const unsigned short *p;
+       int i;
+
+       ice->num_total_dacs = 8;
+       ice->num_total_adcs = 2;
+
+       spec = kzalloc(sizeof(*spec), GFP_KERNEL);
+       if (!spec)
+               return -ENOMEM;
+       ice->spec = spec;
+
+       /* Initialize analog chips */
+       ice->akm = kzalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL);
+       ak = ice->akm;
+       if (!ak)
+               return -ENOMEM;
+       ice->akm_codecs = 1;
+
+       snd_ice1712_gpio_set_dir(ice, 0x5fffff); /* fix this for time being */
+
+       /* reset the wm codec as the SPI mode */
+       snd_ice1712_save_gpio_status(ice);
+       snd_ice1712_gpio_set_mask(ice, ~(PHASE28_WM_RESET|PHASE28_WM_CS|
+                                       PHASE28_HP_SEL));
+
+       tmp = snd_ice1712_gpio_read(ice);
+       tmp &= ~PHASE28_WM_RESET;
+       snd_ice1712_gpio_write(ice, tmp);
+       udelay(1);
+       tmp |= PHASE28_WM_CS;
+       snd_ice1712_gpio_write(ice, tmp);
+       udelay(1);
+       tmp |= PHASE28_WM_RESET;
+       snd_ice1712_gpio_write(ice, tmp);
+       udelay(1);
+
+       p = wm_inits_phase28;
+       for (; *p != (unsigned short)-1; p += 2)
+               wm_put(ice, p[0], p[1]);
+
+       snd_ice1712_restore_gpio_status(ice);
+
+       spec->master[0] = WM_VOL_MUTE;
+       spec->master[1] = WM_VOL_MUTE;
+       for (i = 0; i < ice->num_total_dacs; i++) {
+               spec->vol[i] = WM_VOL_MUTE;
+               wm_set_vol(ice, i, spec->vol[i], spec->master[i % 2]);
+       }
+
+       return 0;
+}
+
+/*
+ * DAC volume attenuation mixer control
+ */
+static int wm_vol_info(struct snd_kcontrol *kcontrol,
+                       struct snd_ctl_elem_info *uinfo)
+{
+       int voices = kcontrol->private_value >> 8;
+       uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+       uinfo->count = voices;
+       uinfo->value.integer.min = 0;           /* mute (-101dB) */
+       uinfo->value.integer.max = 0x7F;        /* 0dB */
+       return 0;
+}
+
+static int wm_vol_get(struct snd_kcontrol *kcontrol,
+                       struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+       struct phase28_spec *spec = ice->spec;
+       int i, ofs, voices;
+
+       voices = kcontrol->private_value >> 8;
+       ofs = kcontrol->private_value & 0xff;
+       for (i = 0; i < voices; i++)
+               ucontrol->value.integer.value[i] =
+                       spec->vol[ofs+i] & ~WM_VOL_MUTE;
+       return 0;
+}
+
+static int wm_vol_put(struct snd_kcontrol *kcontrol,
+                       struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+       struct phase28_spec *spec = ice->spec;
+       int i, idx, ofs, voices;
+       int change = 0;
+
+       voices = kcontrol->private_value >> 8;
+       ofs = kcontrol->private_value & 0xff;
+       snd_ice1712_save_gpio_status(ice);
+       for (i = 0; i < voices; i++) {
+               unsigned int vol;
+               vol = ucontrol->value.integer.value[i];
+               if (vol > 0x7f)
+                       continue;
+               vol |= spec->vol[ofs+i] & WM_VOL_MUTE;
+               if (vol != spec->vol[ofs+i]) {
+                       spec->vol[ofs+i] = vol;
+                       idx  = WM_DAC_ATTEN + ofs + i;
+                       wm_set_vol(ice, idx, spec->vol[ofs+i],
+                                  spec->master[i]);
+                       change = 1;
+               }
+       }
+       snd_ice1712_restore_gpio_status(ice);
+       return change;
+}
+
+/*
+ * WM8770 mute control
+ */
+static int wm_mute_info(struct snd_kcontrol *kcontrol,
+                       struct snd_ctl_elem_info *uinfo) {
+       uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+       uinfo->count = kcontrol->private_value >> 8;
+       uinfo->value.integer.min = 0;
+       uinfo->value.integer.max = 1;
+       return 0;
+}
+
+static int wm_mute_get(struct snd_kcontrol *kcontrol,
+                       struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+       struct phase28_spec *spec = ice->spec;
+       int voices, ofs, i;
+
+       voices = kcontrol->private_value >> 8;
+       ofs = kcontrol->private_value & 0xFF;
+
+       for (i = 0; i < voices; i++)
+               ucontrol->value.integer.value[i] =
+                       (spec->vol[ofs+i] & WM_VOL_MUTE) ? 0 : 1;
+       return 0;
+}
+
+static int wm_mute_put(struct snd_kcontrol *kcontrol,
+                       struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+       struct phase28_spec *spec = ice->spec;
+       int change = 0, voices, ofs, i;
+
+       voices = kcontrol->private_value >> 8;
+       ofs = kcontrol->private_value & 0xFF;
+
+       snd_ice1712_save_gpio_status(ice);
+       for (i = 0; i < voices; i++) {
+               int val = (spec->vol[ofs + i] & WM_VOL_MUTE) ? 0 : 1;
+               if (ucontrol->value.integer.value[i] != val) {
+                       spec->vol[ofs + i] &= ~WM_VOL_MUTE;
+                       spec->vol[ofs + i] |=
+                               ucontrol->value.integer.value[i] ? 0 :
+                               WM_VOL_MUTE;
+                       wm_set_vol(ice, ofs + i, spec->vol[ofs + i],
+                                       spec->master[i]);
+                       change = 1;
+               }
+       }
+       snd_ice1712_restore_gpio_status(ice);
+
+       return change;
+}
+
+/*
+ * WM8770 master mute control
+ */
+#define wm_master_mute_info            snd_ctl_boolean_stereo_info
+
+static int wm_master_mute_get(struct snd_kcontrol *kcontrol,
+                               struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+       struct phase28_spec *spec = ice->spec;
+
+       ucontrol->value.integer.value[0] =
+               (spec->master[0] & WM_VOL_MUTE) ? 0 : 1;
+       ucontrol->value.integer.value[1] =
+               (spec->master[1] & WM_VOL_MUTE) ? 0 : 1;
+       return 0;
+}
+
+static int wm_master_mute_put(struct snd_kcontrol *kcontrol,
+                               struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+       struct phase28_spec *spec = ice->spec;
+       int change = 0, i;
+
+       snd_ice1712_save_gpio_status(ice);
+       for (i = 0; i < 2; i++) {
+               int val = (spec->master[i] & WM_VOL_MUTE) ? 0 : 1;
+               if (ucontrol->value.integer.value[i] != val) {
+                       int dac;
+                       spec->master[i] &= ~WM_VOL_MUTE;
+                       spec->master[i] |=
+                               ucontrol->value.integer.value[i] ? 0 :
+                               WM_VOL_MUTE;
+                       for (dac = 0; dac < ice->num_total_dacs; dac += 2)
+                               wm_set_vol(ice, WM_DAC_ATTEN + dac + i,
+                                               spec->vol[dac + i],
+                                               spec->master[i]);
+                       change = 1;
+               }
+       }
+       snd_ice1712_restore_gpio_status(ice);
+
+       return change;
+}
+
+/* digital master volume */
+#define PCM_0dB 0xff
+#define PCM_RES 128    /* -64dB */
+#define PCM_MIN (PCM_0dB - PCM_RES)
+static int wm_pcm_vol_info(struct snd_kcontrol *kcontrol,
+                               struct snd_ctl_elem_info *uinfo)
+{
+       uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+       uinfo->count = 1;
+       uinfo->value.integer.min = 0;           /* mute (-64dB) */
+       uinfo->value.integer.max = PCM_RES;     /* 0dB */
+       return 0;
+}
+
+static int wm_pcm_vol_get(struct snd_kcontrol *kcontrol,
+                               struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+       unsigned short val;
+
+       mutex_lock(&ice->gpio_mutex);
+       val = wm_get(ice, WM_DAC_DIG_MASTER_ATTEN) & 0xff;
+       val = val > PCM_MIN ? (val - PCM_MIN) : 0;
+       ucontrol->value.integer.value[0] = val;
+       mutex_unlock(&ice->gpio_mutex);
+       return 0;
+}
+
+static int wm_pcm_vol_put(struct snd_kcontrol *kcontrol,
+                               struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+       unsigned short ovol, nvol;
+       int change = 0;
+
+       nvol = ucontrol->value.integer.value[0];
+       if (nvol > PCM_RES)
+               return -EINVAL;
+       snd_ice1712_save_gpio_status(ice);
+       nvol = (nvol ? (nvol + PCM_MIN) : 0) & 0xff;
+       ovol = wm_get(ice, WM_DAC_DIG_MASTER_ATTEN) & 0xff;
+       if (ovol != nvol) {
+               wm_put(ice, WM_DAC_DIG_MASTER_ATTEN, nvol); /* prelatch */
+               /* update */
+               wm_put_nocache(ice, WM_DAC_DIG_MASTER_ATTEN, nvol | 0x100);
+               change = 1;
+       }
+       snd_ice1712_restore_gpio_status(ice);
+       return change;
+}
+
+/*
+ * Deemphasis
+ */
+#define phase28_deemp_info     snd_ctl_boolean_mono_info
+
+static int phase28_deemp_get(struct snd_kcontrol *kcontrol,
+                               struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+       ucontrol->value.integer.value[0] = (wm_get(ice, WM_DAC_CTRL2) & 0xf) ==
+                                               0xf;
+       return 0;
+}
+
+static int phase28_deemp_put(struct snd_kcontrol *kcontrol,
+                               struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+       int temp, temp2;
+       temp = wm_get(ice, WM_DAC_CTRL2);
+       temp2 = temp;
+       if (ucontrol->value.integer.value[0])
+               temp |= 0xf;
+       else
+               temp &= ~0xf;
+       if (temp != temp2) {
+               wm_put(ice, WM_DAC_CTRL2, temp);
+               return 1;
+       }
+       return 0;
+}
+
+/*
+ * ADC Oversampling
+ */
+static int phase28_oversampling_info(struct snd_kcontrol *k,
+                                       struct snd_ctl_elem_info *uinfo)
+{
+       static const char * const texts[2] = { "128x", "64x"    };
+
+       return snd_ctl_enum_info(uinfo, 1, 2, texts);
+}
+
+static int phase28_oversampling_get(struct snd_kcontrol *kcontrol,
+                                       struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+       ucontrol->value.enumerated.item[0] = (wm_get(ice, WM_MASTER) & 0x8) ==
+                                               0x8;
+       return 0;
+}
+
+static int phase28_oversampling_put(struct snd_kcontrol *kcontrol,
+                                       struct snd_ctl_elem_value *ucontrol)
+{
+       int temp, temp2;
+       struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+
+       temp = wm_get(ice, WM_MASTER);
+       temp2 = temp;
+
+       if (ucontrol->value.enumerated.item[0])
+               temp |= 0x8;
+       else
+               temp &= ~0x8;
+
+       if (temp != temp2) {
+               wm_put(ice, WM_MASTER, temp);
+               return 1;
+       }
+       return 0;
+}
+
+static const DECLARE_TLV_DB_SCALE(db_scale_wm_dac, -12700, 100, 1);
+static const DECLARE_TLV_DB_SCALE(db_scale_wm_pcm, -6400, 50, 1);
+
+static struct snd_kcontrol_new phase28_dac_controls[] = {
+       {
+               .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+               .name = "Master Playback Switch",
+               .info = wm_master_mute_info,
+               .get = wm_master_mute_get,
+               .put = wm_master_mute_put
+       },
+       {
+               .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+               .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
+                          SNDRV_CTL_ELEM_ACCESS_TLV_READ),
+               .name = "Master Playback Volume",
+               .info = wm_master_vol_info,
+               .get = wm_master_vol_get,
+               .put = wm_master_vol_put,
+               .tlv = { .p = db_scale_wm_dac }
+       },
+       {
+               .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+               .name = "Front Playback Switch",
+               .info = wm_mute_info,
+               .get = wm_mute_get,
+               .put = wm_mute_put,
+               .private_value = (2 << 8) | 0
+       },
+       {
+               .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+               .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
+                          SNDRV_CTL_ELEM_ACCESS_TLV_READ),
+               .name = "Front Playback Volume",
+               .info = wm_vol_info,
+               .get = wm_vol_get,
+               .put = wm_vol_put,
+               .private_value = (2 << 8) | 0,
+               .tlv = { .p = db_scale_wm_dac }
+       },
+       {
+               .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+               .name = "Rear Playback Switch",
+               .info = wm_mute_info,
+               .get = wm_mute_get,
+               .put = wm_mute_put,
+               .private_value = (2 << 8) | 2
+       },
+       {
+               .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+               .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
+                          SNDRV_CTL_ELEM_ACCESS_TLV_READ),
+               .name = "Rear Playback Volume",
+               .info = wm_vol_info,
+               .get = wm_vol_get,
+               .put = wm_vol_put,
+               .private_value = (2 << 8) | 2,
+               .tlv = { .p = db_scale_wm_dac }
+       },
+       {
+               .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+               .name = "Center Playback Switch",
+               .info = wm_mute_info,
+               .get = wm_mute_get,
+               .put = wm_mute_put,
+               .private_value = (1 << 8) | 4
+       },
+       {
+               .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+               .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
+                          SNDRV_CTL_ELEM_ACCESS_TLV_READ),
+               .name = "Center Playback Volume",
+               .info = wm_vol_info,
+               .get = wm_vol_get,
+               .put = wm_vol_put,
+               .private_value = (1 << 8) | 4,
+               .tlv = { .p = db_scale_wm_dac }
+       },
+       {
+               .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+               .name = "LFE Playback Switch",
+               .info = wm_mute_info,
+               .get = wm_mute_get,
+               .put = wm_mute_put,
+               .private_value = (1 << 8) | 5
+       },
+       {
+               .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+               .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
+                          SNDRV_CTL_ELEM_ACCESS_TLV_READ),
+               .name = "LFE Playback Volume",
+               .info = wm_vol_info,
+               .get = wm_vol_get,
+               .put = wm_vol_put,
+               .private_value = (1 << 8) | 5,
+               .tlv = { .p = db_scale_wm_dac }
+       },
+       {
+               .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+               .name = "Side Playback Switch",
+               .info = wm_mute_info,
+               .get = wm_mute_get,
+               .put = wm_mute_put,
+               .private_value = (2 << 8) | 6
+       },
+       {
+               .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+               .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
+                          SNDRV_CTL_ELEM_ACCESS_TLV_READ),
+               .name = "Side Playback Volume",
+               .info = wm_vol_info,
+               .get = wm_vol_get,
+               .put = wm_vol_put,
+               .private_value = (2 << 8) | 6,
+               .tlv = { .p = db_scale_wm_dac }
+       }
+};
+
+static struct snd_kcontrol_new wm_controls[] = {
+       {
+               .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+               .name = "PCM Playback Switch",
+               .info = wm_pcm_mute_info,
+               .get = wm_pcm_mute_get,
+               .put = wm_pcm_mute_put
+       },
+       {
+               .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+               .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
+                          SNDRV_CTL_ELEM_ACCESS_TLV_READ),
+               .name = "PCM Playback Volume",
+               .info = wm_pcm_vol_info,
+               .get = wm_pcm_vol_get,
+               .put = wm_pcm_vol_put,
+               .tlv = { .p = db_scale_wm_pcm }
+       },
+       {
+               .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+               .name = "DAC Deemphasis Switch",
+               .info = phase28_deemp_info,
+               .get = phase28_deemp_get,
+               .put = phase28_deemp_put
+       },
+       {
+               .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+               .name = "ADC Oversampling",
+               .info = phase28_oversampling_info,
+               .get = phase28_oversampling_get,
+               .put = phase28_oversampling_put
+       }
+};
+
+static int phase28_add_controls(struct snd_ice1712 *ice)
+{
+       unsigned int i, counts;
+       int err;
+
+       counts = ARRAY_SIZE(phase28_dac_controls);
+       for (i = 0; i < counts; i++) {
+               err = snd_ctl_add(ice->card,
+                                       snd_ctl_new1(&phase28_dac_controls[i],
+                                                       ice));
+               if (err < 0)
+                       return err;
+       }
+
+       for (i = 0; i < ARRAY_SIZE(wm_controls); i++) {
+               err = snd_ctl_add(ice->card,
+                                       snd_ctl_new1(&wm_controls[i], ice));
+               if (err < 0)
+                       return err;
+       }
+
+       return 0;
+}
+
+struct snd_ice1712_card_info snd_vt1724_phase_cards[] = {
+       {
+               .subvendor = VT1724_SUBDEVICE_PHASE22,
+               .name = "Terratec PHASE 22",
+               .model = "phase22",
+               .chip_init = phase22_init,
+               .build_controls = phase22_add_controls,
+               .eeprom_size = sizeof(phase22_eeprom),
+               .eeprom_data = phase22_eeprom,
+       },
+       {
+               .subvendor = VT1724_SUBDEVICE_PHASE28,
+               .name = "Terratec PHASE 28",
+               .model = "phase28",
+               .chip_init = phase28_init,
+               .build_controls = phase28_add_controls,
+               .eeprom_size = sizeof(phase28_eeprom),
+               .eeprom_data = phase28_eeprom,
+       },
+       {
+               .subvendor = VT1724_SUBDEVICE_TS22,
+               .name = "Terrasoniq TS22 PCI",
+               .model = "TS22",
+               .chip_init = phase22_init,
+               .build_controls = phase22_add_controls,
+               .eeprom_size = sizeof(phase22_eeprom),
+               .eeprom_data = phase22_eeprom,
+       },
+       { } /* terminator */
+};