[ALSA] ICE1724: Added support for Audiotrak Prodigy 7.1 HiFi & HD2, Hercules Fortissi...
authorJulian Scheel <julian@jusst.de>
Wed, 16 Jan 2008 18:50:00 +0000 (19:50 +0100)
committerJaroslav Kysela <perex@perex.cz>
Thu, 31 Jan 2008 16:30:03 +0000 (17:30 +0100)
See ALSA bug#2384 for more details.

Signed-off-by: Julian Scheel <julian@jusst.de>
Signed-off-by: Konstantin Kletschke <konsti@ku-gbr.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
sound/pci/ice1712/Makefile
sound/pci/ice1712/ice1712.h
sound/pci/ice1712/ice1724.c
sound/pci/ice1712/prodigy_hifi.c [new file with mode: 0644]

index ee86a1de72f8f16b811e0b0e345bdab0c83e9672..f99fe089495d716ae3c2d05a73903790d4b57fbc 100644 (file)
@@ -5,7 +5,7 @@
 
 snd-ice17xx-ak4xxx-objs := ak4xxx.o
 snd-ice1712-objs := ice1712.o delta.o hoontech.o ews.o
-snd-ice1724-objs := ice1724.o amp.o revo.o aureon.o vt1720_mobo.o pontis.o prodigy192.o juli.o phase.o wtm.o se.o
+snd-ice1724-objs := ice1724.o amp.o revo.o aureon.o vt1720_mobo.o pontis.o prodigy192.o prodigy_hifi.o juli.o phase.o wtm.o se.o
 
 # Toplevel Module Dependency
 obj-$(CONFIG_SND_ICE1712) += snd-ice1712.o snd-ice17xx-ak4xxx.o
index 4dc576af506f97886873214cd28bc379f3495325..86e418e0b3efa603888e4ce15b35084a97c0e05c 100644 (file)
@@ -407,7 +407,13 @@ struct snd_ice1712 {
                                unsigned char ch1, ch2;
                        } vol[8];
                } se;
-
+               struct prodigy_hifi_spec {
+                       unsigned short master[2];
+                       unsigned short vol[8];
+               } prodigy_hifi;
+               struct prodigy_hd2_spec {
+                       unsigned short vol[2];
+               } prodigy_hd2;
        } spec;
 
 };
index 3147cbc9edb3af4b65111f81f268ef6782e25a36..c89a4fe72a496500cebdb912b9e8f90d2d5a86e5 100644 (file)
@@ -47,6 +47,7 @@
 #include "vt1720_mobo.h"
 #include "pontis.h"
 #include "prodigy192.h"
+#include "prodigy_hifi.h"
 #include "juli.h"
 #include "phase.h"
 #include "wtm.h"
@@ -62,6 +63,7 @@ MODULE_SUPPORTED_DEVICE("{"
               VT1720_MOBO_DEVICE_DESC
               PONTIS_DEVICE_DESC
               PRODIGY192_DEVICE_DESC
+              PRODIGY_HIFI_DEVICE_DESC
               JULI_DEVICE_DESC
               PHASE_DEVICE_DESC
               WTM_DEVICE_DESC
@@ -1930,6 +1932,7 @@ static struct snd_ice1712_card_info *card_tables[] __devinitdata = {
        snd_vt1724_aureon_cards,
        snd_vt1720_mobo_cards,
        snd_vt1720_pontis_cards,
+       snd_vt1724_prodigy_hifi_cards,
        snd_vt1724_prodigy192_cards,
        snd_vt1724_juli_cards,
        snd_vt1724_phase_cards,
diff --git a/sound/pci/ice1712/prodigy_hifi.c b/sound/pci/ice1712/prodigy_hifi.c
new file mode 100644 (file)
index 0000000..6ec1aa4
--- /dev/null
@@ -0,0 +1,1195 @@
+/*
+ *   ALSA driver for ICEnsemble VT1724 (Envy24HT)
+ *
+ *   Lowlevel functions for Audiotrak Prodigy 7.1 Hifi
+ *   based on pontis.c
+ *
+ *      Copyright (c) 2007 Julian Scheel <julian@jusst.de>
+ *      Copyright (c) 2007 allank
+ *      Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
+ *
+ *   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 <asm/io.h>
+#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 <sound/info.h>
+#include <sound/tlv.h>
+
+#include "ice1712.h"
+#include "envy24ht.h"
+#include "prodigy_hifi.h"
+
+/* I2C addresses */
+#define WM_DEV         0x34
+
+/* WM8776 registers */
+#define WM_HP_ATTEN_L          0x00    /* headphone left attenuation */
+#define WM_HP_ATTEN_R          0x01    /* headphone left attenuation */
+#define WM_HP_MASTER           0x02    /* headphone master (both channels),
+                                               override LLR */
+#define WM_DAC_ATTEN_L         0x03    /* digital left attenuation */
+#define WM_DAC_ATTEN_R         0x04
+#define WM_DAC_MASTER          0x05
+#define WM_PHASE_SWAP          0x06    /* DAC phase swap */
+#define WM_DAC_CTRL1           0x07
+#define WM_DAC_MUTE            0x08
+#define WM_DAC_CTRL2           0x09
+#define WM_DAC_INT             0x0a
+#define WM_ADC_INT             0x0b
+#define WM_MASTER_CTRL         0x0c
+#define WM_POWERDOWN           0x0d
+#define WM_ADC_ATTEN_L         0x0e
+#define WM_ADC_ATTEN_R         0x0f
+#define WM_ALC_CTRL1           0x10
+#define WM_ALC_CTRL2           0x11
+#define WM_ALC_CTRL3           0x12
+#define WM_NOISE_GATE          0x13
+#define WM_LIMITER             0x14
+#define WM_ADC_MUX             0x15
+#define WM_OUT_MUX             0x16
+#define WM_RESET               0x17
+
+/* Analog Recording Source :- Mic, LineIn, CD/Video, */
+
+/* implement capture source select control for WM8776 */
+
+#define WM_AIN1 "AIN1"
+#define WM_AIN2 "AIN2"
+#define WM_AIN3 "AIN3"
+#define WM_AIN4 "AIN4"
+#define WM_AIN5 "AIN5"
+
+/* GPIO pins of envy24ht connected to wm8766 */
+#define WM8766_SPI_CLK  (1<<17) /* CLK, Pin97 on ICE1724 */
+#define WM8766_SPI_MD    (1<<16) /* DATA VT1724 -> WM8766, Pin96 */
+#define WM8766_SPI_ML    (1<<18) /* Latch, Pin98 */
+
+/* WM8766 registers */
+#define WM8766_DAC_CTRL         0x02   /* DAC Control */
+#define WM8766_INT_CTRL         0x03   /* Interface Control */
+#define WM8766_DAC_CTRL2       0x09
+#define WM8766_DAC_CTRL3       0x0a
+#define WM8766_RESET       0x1f
+#define WM8766_LDA1         0x00
+#define WM8766_LDA2         0x04
+#define WM8766_LDA3         0x06
+#define WM8766_RDA1         0x01
+#define WM8766_RDA2         0x05
+#define WM8766_RDA3         0x07
+#define WM8766_MUTE1       0x0C
+#define WM8766_MUTE2       0x0F
+
+
+/*
+ * Prodigy HD2
+ */
+#define AK4396_ADDR    0x00
+#define AK4396_CSN    (1 << 8)    /* CSN->GPIO8, pin 75 */
+#define AK4396_CCLK   (1 << 9)    /* CCLK->GPIO9, pin 76 */
+#define AK4396_CDTI   (1 << 10)   /* CDTI->GPIO10, pin 77 */
+
+/* ak4396 registers */
+#define AK4396_CTRL1       0x00
+#define AK4396_CTRL2       0x01
+#define AK4396_CTRL3       0x02
+#define AK4396_LCH_ATT   0x03
+#define AK4396_RCH_ATT   0x04
+
+
+/*
+ * 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 and remember it
+ */
+static void wm_put_nocache(struct snd_ice1712 *ice, int reg, unsigned short val)
+{
+       unsigned short cval;
+       cval = (reg << 9) | val;
+       snd_vt1724_write_i2c(ice, WM_DEV, cval >> 8, cval & 0xff);
+}
+
+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;
+}
+
+/*
+ * write data in the SPI mode
+ */
+
+static void set_gpio_bit(struct snd_ice1712 *ice, unsigned int bit, int val)
+{
+       unsigned int tmp = snd_ice1712_gpio_read(ice);
+       if (val)
+               tmp |= bit;
+       else
+               tmp &= ~bit;
+       snd_ice1712_gpio_write(ice, tmp);
+}
+
+/*
+ * SPI implementation for WM8766 codec - only writing supported, no readback
+ */
+
+static void wm8766_spi_send_word(struct snd_ice1712 *ice, unsigned int data)
+{
+       int i;
+       for (i = 0; i < 16; i++) {
+               set_gpio_bit(ice, WM8766_SPI_CLK, 0);
+               udelay(1);
+               set_gpio_bit(ice, WM8766_SPI_MD, data & 0x8000);
+               udelay(1);
+               set_gpio_bit(ice, WM8766_SPI_CLK, 1);
+               udelay(1);
+               data <<= 1;
+       }
+}
+
+static void wm8766_spi_write(struct snd_ice1712 *ice, unsigned int reg, unsigned int data)
+{
+       unsigned int block;
+
+       snd_ice1712_gpio_set_dir(ice, WM8766_SPI_MD|
+                                       WM8766_SPI_CLK|WM8766_SPI_ML);
+       snd_ice1712_gpio_set_mask(ice, ~(WM8766_SPI_MD|
+                                       WM8766_SPI_CLK|WM8766_SPI_ML));
+       /* latch must be low when writing */
+       set_gpio_bit(ice, WM8766_SPI_ML, 0);
+       block = (reg << 9) | (data & 0x1ff);
+       wm8766_spi_send_word(ice, block); /* REGISTER ADDRESS */
+       /* release latch */
+       set_gpio_bit(ice, WM8766_SPI_ML, 1);
+       udelay(1);
+       /* restore */
+       snd_ice1712_gpio_set_mask(ice, ice->gpio.write_mask);
+       snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
+}
+
+
+/*
+ * serial interface for ak4396 - only writing supported, no readback
+ */
+
+static void ak4396_send_word(struct snd_ice1712 *ice, unsigned int data)
+{
+       int i;
+       for (i = 0; i < 16; i++) {
+               set_gpio_bit(ice, AK4396_CCLK, 0);
+               udelay(1);
+               set_gpio_bit(ice, AK4396_CDTI, data & 0x8000);
+               udelay(1);
+               set_gpio_bit(ice, AK4396_CCLK, 1);
+               udelay(1);
+               data <<= 1;
+       }
+}
+
+static void ak4396_write(struct snd_ice1712 *ice, unsigned int reg, unsigned int data)
+{
+       unsigned int block;
+
+       snd_ice1712_gpio_set_dir(ice, AK4396_CSN|AK4396_CCLK|AK4396_CDTI);
+       snd_ice1712_gpio_set_mask(ice, ~(AK4396_CSN|AK4396_CCLK|AK4396_CDTI));
+       /* latch must be low when writing */
+       set_gpio_bit(ice, AK4396_CSN, 0); 
+       block =  ((AK4396_ADDR & 0x03) << 14) | (1 << 13) |
+                       ((reg & 0x1f) << 8) | (data & 0xff);
+       ak4396_send_word(ice, block); /* REGISTER ADDRESS */
+       /* release latch */
+       set_gpio_bit(ice, AK4396_CSN, 1);
+       udelay(1);
+       /* restore */
+       snd_ice1712_gpio_set_mask(ice, ice->gpio.write_mask);
+       snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
+}
+
+
+/*
+ * ak4396 mixers
+ */
+
+
+
+/*
+ * DAC volume attenuation mixer control (-64dB to 0dB)
+ */
+
+static int ak4396_dac_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;   /* mute */
+       uinfo->value.integer.max = 0xFF; /* linear */
+       return 0;
+}
+
+static int ak4396_dac_vol_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+       int i;
+       
+       for (i = 0; i < 2; i++) {
+               ucontrol->value.integer.value[i] =ice->spec.prodigy_hd2.vol[i];
+       }
+       return 0;
+}
+
+static int ak4396_dac_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+       int i;
+       int change = 0;
+       
+       mutex_lock(&ice->gpio_mutex);
+       for (i = 0; i < 2; i++) {
+               if (ucontrol->value.integer.value[i] !=
+                                 ice->spec.prodigy_hd2.vol[i]) {
+                       ice->spec.prodigy_hd2.vol[i] =
+                                       ucontrol->value.integer.value[i];
+                       ak4396_write(ice, AK4396_LCH_ATT+i,
+                                    (ice->spec.prodigy_hd2.vol[i] & 0xff));
+                       change = 1;
+               }
+       }
+       mutex_unlock(&ice->gpio_mutex);
+       return change;
+}
+
+static const DECLARE_TLV_DB_SCALE(db_scale_wm_dac, -12700, 100, 1);
+
+static struct snd_kcontrol_new prodigy_hd2_controls[] __devinitdata = {
+    {
+       .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+       .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
+               SNDRV_CTL_ELEM_ACCESS_TLV_READ),
+       .name = "Front Playback Volume",
+       .info = ak4396_dac_vol_info,
+       .get = ak4396_dac_vol_get,
+       .put = ak4396_dac_vol_put,
+       .tlv = { .p = db_scale_wm_dac },
+    },
+};
+
+
+/* --------------- */
+
+/*
+ * Logarithmic volume values for WM87*6
+ * 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
+
+
+#define DAC_0dB        0xff
+#define DAC_RES        128
+#define DAC_MIN        (DAC_0dB - DAC_RES)
+
+
+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 = (((vol & ~WM_VOL_MUTE) * (master & ~WM_VOL_MUTE)) / 128)
+                               & WM_VOL_MAX;
+               nvol = (nvol ? (nvol + DAC_MIN) : 0) & 0xff;
+       }
+       
+       wm_put(ice, index, nvol);
+       wm_put_nocache(ice, index, 0x100 | nvol);
+}
+
+static void wm8766_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 = (((vol & ~WM_VOL_MUTE) * (master & ~WM_VOL_MUTE)) / 128)
+                               & WM_VOL_MAX;
+               nvol = (nvol ? (nvol + DAC_MIN) : 0) & 0xff;
+       }
+       
+
+       wm8766_spi_write(ice, index, (0x0100 | nvol));
+}
+
+
+/*
+ * DAC volume attenuation mixer control (-64dB to 0dB)
+ */
+
+static int wm_dac_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;   /* mute */
+       uinfo->value.integer.max = DAC_RES;     /* 0dB, 0.5dB step */
+       return 0;
+}
+
+static int wm_dac_vol_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+       int i;
+
+       for (i = 0; i < 2; i++) {
+               ucontrol->value.integer.value[i] =
+                               ice->spec.prodigy_hifi.vol[2+i] & ~WM_VOL_MUTE;
+       }
+       return 0;
+}
+
+static int wm_dac_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+       int i, idx, change = 0;
+
+       mutex_lock(&ice->gpio_mutex);
+       for (i = 0; i < 2; i++) {
+               if (ucontrol->value.integer.value[i] !=
+                                 ice->spec.prodigy_hifi.vol[2+i]) {
+                       idx = WM_DAC_ATTEN_L + i;
+                       ice->spec.prodigy_hifi.vol[2+i] &= WM_VOL_MUTE;
+                       ice->spec.prodigy_hifi.vol[2+i] |=
+                                       ucontrol->value.integer.value[i];
+                       wm_set_vol(ice, idx, ice->spec.prodigy_hifi.vol[2+i],
+                                  ice->spec.prodigy_hifi.master[i]);
+                       change = 1;
+               }
+       }
+       mutex_unlock(&ice->gpio_mutex);
+       return change;
+}
+
+
+/*
+ * WM8766 DAC volume attenuation mixer control
+ */
+static int wm8766_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 */
+       uinfo->value.integer.max = DAC_RES;     /* 0dB */
+       return 0;
+}
+
+static int wm8766_vol_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+       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] =
+                               ice->spec.prodigy_hifi.vol[ofs+i];
+       return 0;
+}
+
+static int wm8766_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+       int i, idx, ofs, voices;
+       int change = 0;
+
+       voices = kcontrol->private_value >> 8;
+       ofs = kcontrol->private_value & 0xff;
+       mutex_lock(&ice->gpio_mutex);
+       for (i = 0; i < voices; i++) {
+               if (ucontrol->value.integer.value[i] !=
+                                 ice->spec.prodigy_hifi.vol[ofs+i]) {
+                       idx = WM8766_LDA1 + ofs + i;
+                       ice->spec.prodigy_hifi.vol[ofs+i] &= WM_VOL_MUTE;
+                       ice->spec.prodigy_hifi.vol[ofs+i] |=
+                                       ucontrol->value.integer.value[i];
+                       wm8766_set_vol(ice, idx,
+                                       ice->spec.prodigy_hifi.vol[ofs+i],
+                                       ice->spec.prodigy_hifi.master[i]);
+                       change = 1;
+               }
+       }
+       mutex_unlock(&ice->gpio_mutex);
+       return change;
+}
+
+/*
+ * Master volume attenuation mixer control / applied to WM8776+WM8766
+ */
+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 = DAC_RES;
+       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);
+       int i;
+       for (i=0; i<2; i++)
+               ucontrol->value.integer.value[i] =
+                               ice->spec.prodigy_hifi.master[i];
+       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);
+       int ch, change = 0;
+
+       mutex_lock(&ice->gpio_mutex);
+       for (ch = 0; ch < 2; ch++) {
+               if (ucontrol->value.integer.value[ch] !=
+                                 ice->spec.prodigy_hifi.master[ch]) {
+                       ice->spec.prodigy_hifi.master[ch] &= 0x00;
+                       ice->spec.prodigy_hifi.master[ch] |=
+                                       ucontrol->value.integer.value[ch];
+
+                       /* Apply to front DAC */
+                       wm_set_vol(ice, WM_DAC_ATTEN_L + ch,
+                                  ice->spec.prodigy_hifi.vol[2 + ch],
+                                  ice->spec.prodigy_hifi.master[ch]);
+
+                       wm8766_set_vol(ice, WM8766_LDA1 + ch,
+                                  ice->spec.prodigy_hifi.vol[0 + ch],
+                                  ice->spec.prodigy_hifi.master[ch]);
+
+                       wm8766_set_vol(ice, WM8766_LDA2 + ch,
+                                  ice->spec.prodigy_hifi.vol[4 + ch],
+                                  ice->spec.prodigy_hifi.master[ch]);
+
+                       wm8766_set_vol(ice, WM8766_LDA3 + ch,
+                                  ice->spec.prodigy_hifi.vol[6 + ch],
+                                  ice->spec.prodigy_hifi.master[ch]);
+                       change = 1;
+               }
+       }
+       mutex_unlock(&ice->gpio_mutex); 
+       return change;
+}
+
+
+
+/* KONSTI */
+
+static int wm_adc_mux_enum_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
+{
+       static char* texts[32] = {"NULL", WM_AIN1, WM_AIN2, WM_AIN1 "+" WM_AIN2,
+                                 WM_AIN3, WM_AIN1 "+" WM_AIN3, WM_AIN2 "+" WM_AIN3,
+                                 WM_AIN1 "+" WM_AIN2 "+" WM_AIN3,
+                                 WM_AIN4, WM_AIN1 "+" WM_AIN4, WM_AIN2 "+" WM_AIN4,
+                                 WM_AIN1 "+" WM_AIN2 "+" WM_AIN4,
+                                 WM_AIN3 "+" WM_AIN4, WM_AIN1 "+" WM_AIN3 "+" WM_AIN4,
+                                 WM_AIN2 "+" WM_AIN3 "+" WM_AIN4,
+                                 WM_AIN1 "+" WM_AIN2 "+" WM_AIN3 "+" WM_AIN4,
+                                 WM_AIN5, WM_AIN1 "+" WM_AIN5, WM_AIN2 "+" WM_AIN5,
+                                 WM_AIN1 "+" WM_AIN2 "+" WM_AIN5,
+                                 WM_AIN3 "+" WM_AIN5, WM_AIN1 "+" WM_AIN3 "+" WM_AIN5,
+                                 WM_AIN2 "+" WM_AIN3 "+" WM_AIN5,
+                                 WM_AIN1 "+" WM_AIN2 "+" WM_AIN3 "+" WM_AIN5,
+                                 WM_AIN4 "+" WM_AIN5, WM_AIN1 "+" WM_AIN4 "+" WM_AIN5,
+                                 WM_AIN2 "+" WM_AIN4 "+" WM_AIN5,
+                                 WM_AIN1 "+" WM_AIN2 "+" WM_AIN4 "+" WM_AIN5,
+                                 WM_AIN3 "+" WM_AIN4 "+" WM_AIN5,
+                                 WM_AIN1 "+" WM_AIN3 "+" WM_AIN4 "+" WM_AIN5,
+                                 WM_AIN2 "+" WM_AIN3 "+" WM_AIN4 "+" WM_AIN5,
+                                 WM_AIN1 "+" WM_AIN2 "+" WM_AIN3 "+" WM_AIN4 "+" WM_AIN5};
+
+       uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+       uinfo->count = 1;
+       uinfo->value.enumerated.items = 32;
+       if (uinfo->value.enumerated.item > 31)
+               uinfo->value.enumerated.item = 31;
+       strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
+       return 0;
+}
+
+static int wm_adc_mux_enum_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_ADC_MUX) & 0x1f;
+       mutex_unlock(&ice->gpio_mutex);
+       return 0;
+}
+
+static int wm_adc_mux_enum_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+       unsigned short oval, nval;
+
+       mutex_lock(&ice->gpio_mutex);
+       oval = wm_get(ice, WM_ADC_MUX);
+       nval = ( oval & 0xe0 ) | ucontrol->value.integer.value[0] ;
+       if ( nval != oval ) {
+               wm_put(ice, WM_ADC_MUX, nval);
+       }
+       mutex_unlock(&ice->gpio_mutex);
+       return 0;
+}
+
+/* KONSTI */
+
+/*
+ * ADC gain mixer control (-64dB to 0dB)
+ */
+
+#define ADC_0dB        0xcf
+#define ADC_RES        128
+#define ADC_MIN        (ADC_0dB - ADC_RES)
+
+static int wm_adc_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;   /* mute (-64dB) */
+       uinfo->value.integer.max = ADC_RES;     /* 0dB, 0.5dB step */
+       return 0;
+}
+
+static int wm_adc_vol_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+       unsigned short val;
+       int i;
+
+       mutex_lock(&ice->gpio_mutex);
+       for (i = 0; i < 2; i++) {
+               val = wm_get(ice, WM_ADC_ATTEN_L + i) & 0xff;
+               val = val > ADC_MIN ? (val - ADC_MIN) : 0;
+               ucontrol->value.integer.value[i] = val;
+       }
+       mutex_unlock(&ice->gpio_mutex);
+       return 0;
+}
+
+static int wm_adc_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 i, idx, change = 0;
+
+       mutex_lock(&ice->gpio_mutex);
+       for (i = 0; i < 2; i++) {
+               nvol = ucontrol->value.integer.value[i];
+               nvol = nvol ? (nvol + ADC_MIN) : 0;
+               idx  = WM_ADC_ATTEN_L + i;
+               ovol = wm_get(ice, idx) & 0xff;
+               if (ovol != nvol) {
+                       wm_put(ice, idx, nvol);
+                       change = 1;
+               }
+       }
+       mutex_unlock(&ice->gpio_mutex);
+       return change;
+}
+
+/*
+ * ADC input mux mixer control
+ */
+static int wm_adc_mux_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
+{
+       uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+       uinfo->count = 1;
+       uinfo->value.integer.min = 0;
+       uinfo->value.integer.max = 1;
+       return 0;
+}
+
+static int wm_adc_mux_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+       int bit = kcontrol->private_value;
+
+       mutex_lock(&ice->gpio_mutex);
+       ucontrol->value.integer.value[0] = (wm_get(ice, WM_ADC_MUX) & (1 << bit)) ? 1 : 0;
+       mutex_unlock(&ice->gpio_mutex);
+       return 0;
+}
+
+static int wm_adc_mux_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+       int bit = kcontrol->private_value;
+       unsigned short oval, nval;
+       int change;
+
+       mutex_lock(&ice->gpio_mutex);
+       nval = oval = wm_get(ice, WM_ADC_MUX);
+       if (ucontrol->value.integer.value[0])
+               nval |= (1 << bit);
+       else
+               nval &= ~(1 << bit);
+       change = nval != oval;
+       if (change) {
+               wm_put(ice, WM_ADC_MUX, nval);
+       }
+       mutex_unlock(&ice->gpio_mutex);
+       return 0;
+}
+
+/*
+ * Analog bypass (In -> Out)
+ */
+static int wm_bypass_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
+{
+       uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+       uinfo->count = 1;
+       uinfo->value.integer.min = 0;
+       uinfo->value.integer.max = 1;
+       return 0;
+}
+
+static int wm_bypass_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_OUT_MUX) & 0x04) ? 1 : 0;
+       mutex_unlock(&ice->gpio_mutex);
+       return 0;
+}
+
+static int wm_bypass_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+       unsigned short val, oval;
+       int change = 0;
+
+       mutex_lock(&ice->gpio_mutex);
+       val = oval = wm_get(ice, WM_OUT_MUX);
+       if (ucontrol->value.integer.value[0])
+               val |= 0x04;
+       else
+               val &= ~0x04;
+       if (val != oval) {
+               wm_put(ice, WM_OUT_MUX, val);
+               change = 1;
+       }
+       mutex_unlock(&ice->gpio_mutex);
+       return change;
+}
+
+/*
+ * Left/Right swap
+ */
+static int wm_chswap_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
+{
+       uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+       uinfo->count = 1;
+       uinfo->value.integer.min = 0;
+       uinfo->value.integer.max = 1;
+       return 0;
+}
+
+static int wm_chswap_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_DAC_CTRL1) & 0xf0) != 0x90;
+       mutex_unlock(&ice->gpio_mutex);
+       return 0;
+}
+
+static int wm_chswap_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+       unsigned short val, oval;
+       int change = 0;
+
+       mutex_lock(&ice->gpio_mutex);
+       oval = wm_get(ice, WM_DAC_CTRL1);
+       val = oval & 0x0f;
+       if (ucontrol->value.integer.value[0])
+               val |= 0x60;
+       else
+               val |= 0x90;
+       if (val != oval) {
+               wm_put(ice, WM_DAC_CTRL1, val);
+               wm_put_nocache(ice, WM_DAC_CTRL1, val);
+               change = 1;
+       }
+       mutex_unlock(&ice->gpio_mutex);
+       return change;
+}
+
+
+/*
+ * mixers
+ */
+
+static struct snd_kcontrol_new prodigy_hifi_controls[] __devinitdata = {
+       {
+               .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,
+               .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
+                          SNDRV_CTL_ELEM_ACCESS_TLV_READ),
+               .name = "Front Playback Volume",
+               .info = wm_dac_vol_info,
+               .get = wm_dac_vol_get,
+               .put = wm_dac_vol_put,
+               .tlv = { .p = db_scale_wm_dac },
+       },
+       {
+               .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+               .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
+                          SNDRV_CTL_ELEM_ACCESS_TLV_READ),
+               .name = "Rear Playback Volume",
+               .info = wm8766_vol_info,
+               .get = wm8766_vol_get,
+               .put = wm8766_vol_put,
+               .private_value = (2 << 8) | 0,
+               .tlv = { .p = db_scale_wm_dac },
+       },
+       {
+               .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+               .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
+                          SNDRV_CTL_ELEM_ACCESS_TLV_READ),
+               .name = "Center Playback Volume",
+               .info = wm8766_vol_info,
+               .get = wm8766_vol_get,
+               .put = wm8766_vol_put,
+               .private_value = (1 << 8) | 4,
+               .tlv = { .p = db_scale_wm_dac }
+       },
+       {
+               .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+               .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
+                          SNDRV_CTL_ELEM_ACCESS_TLV_READ),
+               .name = "LFE Playback Volume",
+               .info = wm8766_vol_info,
+               .get = wm8766_vol_get,
+               .put = wm8766_vol_put,
+               .private_value = (1 << 8) | 5,
+               .tlv = { .p = db_scale_wm_dac }
+       },
+       {
+               .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+               .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
+                          SNDRV_CTL_ELEM_ACCESS_TLV_READ),
+               .name = "Side Playback Volume",
+               .info = wm8766_vol_info,
+               .get = wm8766_vol_get,
+               .put = wm8766_vol_put,
+               .private_value = (2 << 8) | 6,
+               .tlv = { .p = db_scale_wm_dac },
+       },
+       {
+               .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+               .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
+                          SNDRV_CTL_ELEM_ACCESS_TLV_READ),
+               .name = "Capture Volume",
+               .info = wm_adc_vol_info,
+               .get = wm_adc_vol_get,
+               .put = wm_adc_vol_put,
+               .tlv = { .p = db_scale_wm_dac },
+       },
+       {
+               .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+               .name = "CD Capture Switch",
+               .info = wm_adc_mux_info,
+               .get = wm_adc_mux_get,
+               .put = wm_adc_mux_put,
+               .private_value = 0,
+       },
+       {
+               .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+               .name = "Line Capture Switch",
+               .info = wm_adc_mux_info,
+               .get = wm_adc_mux_get,
+               .put = wm_adc_mux_put,
+               .private_value = 1,
+       },
+       {
+               .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+               .name = "Analog Bypass Switch",
+               .info = wm_bypass_info,
+               .get = wm_bypass_get,
+               .put = wm_bypass_put,
+       },
+       {
+               .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+               .name = "Swap Output Channels",
+               .info = wm_chswap_info,
+               .get = wm_chswap_get,
+               .put = wm_chswap_put,
+       },
+       {
+               .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+               .name = "Analog Capture Source",
+               .info = wm_adc_mux_enum_info,
+               .get = wm_adc_mux_enum_get,
+               .put = wm_adc_mux_enum_put,
+       },
+};
+
+/*
+ * WM codec registers
+ */
+static void wm_proc_regs_write(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
+{
+       struct snd_ice1712 *ice = (struct snd_ice1712 *)entry->private_data;
+       char line[64];
+       unsigned int reg, val;
+       mutex_lock(&ice->gpio_mutex);
+       while (!snd_info_get_line(buffer, line, sizeof(line))) {
+               if (sscanf(line, "%x %x", &reg, &val) != 2)
+                       continue;
+               if (reg <= 0x17 && val <= 0xffff)
+                       wm_put(ice, reg, val);
+       }
+       mutex_unlock(&ice->gpio_mutex);
+}
+
+static void wm_proc_regs_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
+{
+       struct snd_ice1712 *ice = (struct snd_ice1712 *)entry->private_data;
+       int reg, val;
+
+       mutex_lock(&ice->gpio_mutex);
+       for (reg = 0; reg <= 0x17; reg++) {
+               val = wm_get(ice, reg);
+               snd_iprintf(buffer, "%02x = %04x\n", reg, val);
+       }
+       mutex_unlock(&ice->gpio_mutex);
+}
+
+static void wm_proc_init(struct snd_ice1712 *ice)
+{
+       struct snd_info_entry *entry;
+       if (! snd_card_proc_new(ice->card, "wm_codec", &entry)) {
+               snd_info_set_text_ops(entry, ice, wm_proc_regs_read);
+               entry->mode |= S_IWUSR;
+               entry->c.text.write = wm_proc_regs_write;
+       }
+}
+
+static int __devinit prodigy_hifi_add_controls(struct snd_ice1712 *ice)
+{
+       unsigned int i;
+       int err;
+
+       for (i = 0; i < ARRAY_SIZE(prodigy_hifi_controls); i++) {
+               err = snd_ctl_add(ice->card, snd_ctl_new1(&prodigy_hifi_controls[i], ice));
+               if (err < 0)
+                       return err;
+       }
+
+       wm_proc_init(ice);
+
+       return 0;
+}
+
+static int __devinit prodigy_hd2_add_controls(struct snd_ice1712 *ice)
+{
+    unsigned int i;
+    int err;
+
+    for (i = 0; i < ARRAY_SIZE(prodigy_hd2_controls); i++) {
+       err = snd_ctl_add(ice->card, snd_ctl_new1(&prodigy_hd2_controls[i], ice));
+       if (err < 0)
+           return err;
+    }
+
+    wm_proc_init(ice);
+
+    return 0;
+}
+
+
+/*
+ * initialize the chip
+ */
+static int __devinit prodigy_hifi_init(struct snd_ice1712 *ice)
+{
+       static unsigned short wm_inits[] = {
+               /* These come first to reduce init pop noise */
+               WM_ADC_MUX,     0x0003, /* ADC mute */
+               /* 0x00c0 replaced by 0x0003 */
+               
+               WM_DAC_MUTE,    0x0001, /* DAC softmute */
+               WM_DAC_CTRL1,   0x0000, /* DAC mute */
+
+               WM_POWERDOWN,   0x0008, /* All power-up except HP */
+               WM_RESET,       0x0000, /* reset */
+       };
+       static unsigned short wm_inits2[] = {
+               WM_MASTER_CTRL,  0x0022, /* 256fs, slave mode */
+               WM_DAC_INT,     0x0022, /* I2S, normal polarity, 24bit */
+               WM_ADC_INT,     0x0022, /* I2S, normal polarity, 24bit */
+               WM_DAC_CTRL1,   0x0090, /* DAC L/R */
+               WM_OUT_MUX,     0x0001, /* OUT DAC */
+               WM_HP_ATTEN_L,  0x0179, /* HP 0dB */
+               WM_HP_ATTEN_R,  0x0179, /* HP 0dB */
+               WM_DAC_ATTEN_L, 0x0000, /* DAC 0dB */
+               WM_DAC_ATTEN_L, 0x0100, /* DAC 0dB */
+               WM_DAC_ATTEN_R, 0x0000, /* DAC 0dB */
+               WM_DAC_ATTEN_R, 0x0100, /* DAC 0dB */
+               WM_PHASE_SWAP,  0x0000, /* phase normal */
+#if 0
+               WM_DAC_MASTER,  0x0100, /* DAC master muted */
+#endif
+               WM_DAC_CTRL2,   0x0000, /* no deemphasis, no ZFLG */
+               WM_ADC_ATTEN_L, 0x0000, /* ADC muted */
+               WM_ADC_ATTEN_R, 0x0000, /* ADC muted */
+#if 1
+               WM_ALC_CTRL1,   0x007b, /* */
+               WM_ALC_CTRL2,   0x0000, /* */
+               WM_ALC_CTRL3,   0x0000, /* */
+               WM_NOISE_GATE,  0x0000, /* */
+#endif
+               WM_DAC_MUTE,    0x0000, /* DAC unmute */
+               WM_ADC_MUX,     0x0003, /* ADC unmute, both CD/Line On */
+       };
+       static unsigned short wm8766_inits[] = {
+               WM8766_RESET,      0x0000,
+               WM8766_DAC_CTRL,        0x0120,
+               WM8766_INT_CTRL,        0x0022, /* I2S Normal Mode, 24 bit */
+               WM8766_DAC_CTRL2,       0x0001,
+               WM8766_DAC_CTRL3,       0x0080,
+               WM8766_LDA1,        0x0100,
+               WM8766_LDA2,        0x0100,
+               WM8766_LDA3,        0x0100,
+               WM8766_RDA1,        0x0100,
+               WM8766_RDA2,        0x0100,
+               WM8766_RDA3,        0x0100,
+               WM8766_MUTE1,      0x0000,
+               WM8766_MUTE2,      0x0000,
+       };
+
+
+       unsigned int i;
+
+       ice->vt1720 = 0;
+       ice->vt1724 = 1;
+
+       ice->num_total_dacs = 8;
+       ice->num_total_adcs = 1;
+       ice->akm_codecs = 2;
+
+       /* HACK - use this as the SPDIF source.
+       * don't call snd_ice1712_gpio_get/put(), otherwise it's overwritten
+       */
+       ice->gpio.saved[0] = 0;
+       /* to remeber the register values */
+
+       ice->akm = kzalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL);
+       if (! ice->akm)
+               return -ENOMEM;
+               ice->akm_codecs = 1;
+
+       /* initialize WM8776 codec */
+       for (i = 0; i < ARRAY_SIZE(wm_inits); i += 2)
+               wm_put(ice, wm_inits[i], wm_inits[i+1]);
+       schedule_timeout_uninterruptible(1);
+       for (i = 0; i < ARRAY_SIZE(wm_inits2); i += 2)
+               wm_put(ice, wm_inits2[i], wm_inits2[i+1]);
+
+       /* initialize WM8766 codec */
+
+       for (i = 0; i < ARRAY_SIZE(wm8766_inits); i += 2)
+               wm8766_spi_write(ice, wm8766_inits[i], wm8766_inits[i+1]);
+
+
+       return 0;
+}
+
+
+/*
+ * initialize the chip
+ */
+static int __devinit prodigy_hd2_init(struct snd_ice1712 *ice)
+{
+       static unsigned short ak4396_inits[] = {
+               AK4396_CTRL1,      0x87,   /* I2S Normal Mode, 24 bit */
+               AK4396_CTRL2,      0x02,
+               AK4396_CTRL3,      0x00, 
+               AK4396_LCH_ATT,  0x00,
+               AK4396_RCH_ATT,  0x00,
+       };
+
+
+       unsigned int i;
+
+       ice->vt1720 = 0;
+       ice->vt1724 = 1;
+
+       ice->num_total_dacs = 1;
+       ice->num_total_adcs = 1;
+       ice->akm_codecs = 1;
+
+       /* HACK - use this as the SPDIF source.
+       * don't call snd_ice1712_gpio_get/put(), otherwise it's overwritten
+       */
+       ice->gpio.saved[0] = 0;
+       /* to remeber the register values */
+
+       ice->akm = kzalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL);
+       if (! ice->akm)
+               return -ENOMEM;
+       ice->akm_codecs = 1;
+
+       /* initialize ak4396 codec */
+       /* reset codec */
+       ak4396_write(ice, AK4396_CTRL1, 0x86);
+       msleep(100);
+       ak4396_write(ice, AK4396_CTRL1, 0x87);
+                       
+       for (i = 0; i < ARRAY_SIZE(ak4396_inits); i += 2)
+               ak4396_write(ice, ak4396_inits[i], ak4396_inits[i+1]);
+
+       return 0;
+}
+
+
+static unsigned char prodigy71hifi_eeprom[] __devinitdata = {
+       0x4b,   /* SYSCONF: clock 512, spdif-in/ADC, 4DACs */
+       0x80,   /* ACLINK: I2S */
+       0xfc,   /* I2S: vol, 96k, 24bit, 192k */
+       0xc3,   /* SPDIF: out-en, out-int, spdif-in */
+       0xff,   /* GPIO_DIR */
+       0xff,   /* GPIO_DIR1 */
+       0x5f,   /* GPIO_DIR2 */
+       0x00,   /* GPIO_MASK */
+       0x00,   /* GPIO_MASK1 */
+       0x00,   /* GPIO_MASK2 */
+       0x00,   /* GPIO_STATE */
+       0x00,   /* GPIO_STATE1 */
+       0x00,   /* GPIO_STATE2 */
+};
+
+static unsigned char prodigyhd2_eeprom[] __devinitdata = {
+       0x4b,   /* SYSCONF: clock 512, spdif-in/ADC, 4DACs */
+       0x80,   /* ACLINK: I2S */
+       0xfc,   /* I2S: vol, 96k, 24bit, 192k */
+       0xc3,   /* SPDIF: out-en, out-int, spdif-in */
+       0xff,   /* GPIO_DIR */
+       0xff,   /* GPIO_DIR1 */
+       0x5f,   /* GPIO_DIR2 */
+       0x00,   /* GPIO_MASK */
+       0x00,   /* GPIO_MASK1 */
+       0x00,   /* GPIO_MASK2 */
+       0x00,   /* GPIO_STATE */
+       0x00,   /* GPIO_STATE1 */
+       0x00,   /* GPIO_STATE2 */
+};
+
+static unsigned char fortissimo4_eeprom[] __devinitdata = {
+       0x43,   /* SYSCONF: clock 512, ADC, 4DACs */    
+       0x80,   /* ACLINK: I2S */
+       0xfc,   /* I2S: vol, 96k, 24bit, 192k */
+       0xc1,   /* SPDIF: out-en, out-int */
+       0xff,   /* GPIO_DIR */
+       0xff,   /* GPIO_DIR1 */
+       0x5f,   /* GPIO_DIR2 */
+       0x00,   /* GPIO_MASK */
+       0x00,   /* GPIO_MASK1 */
+       0x00,   /* GPIO_MASK2 */
+       0x00,   /* GPIO_STATE */
+       0x00,   /* GPIO_STATE1 */
+       0x00,   /* GPIO_STATE2 */
+};
+
+/* entry point */
+struct snd_ice1712_card_info snd_vt1724_prodigy_hifi_cards[] __devinitdata = {
+       {
+               .subvendor = VT1724_SUBDEVICE_PRODIGY_HIFI,
+               .name = "Audiotrak Prodigy 7.1 HiFi",
+               .model = "prodigy71hifi",
+               .chip_init = prodigy_hifi_init,
+               .build_controls = prodigy_hifi_add_controls,
+               .eeprom_size = sizeof(prodigy71hifi_eeprom),
+               .eeprom_data = prodigy71hifi_eeprom,
+               .driver = "Prodigy71HIFI",
+       },
+       {
+       .subvendor = VT1724_SUBDEVICE_PRODIGY_HD2,
+       .name = "Audiotrak Prodigy HD2",
+       .model = "prodigyhd2",
+       .chip_init = prodigy_hd2_init,
+       .build_controls = prodigy_hd2_add_controls,
+       .eeprom_size = sizeof(prodigyhd2_eeprom),
+       .eeprom_data = prodigyhd2_eeprom,
+       .driver = "Prodigy71HD2",
+       },
+       {
+               .subvendor = VT1724_SUBDEVICE_FORTISSIMO4,
+               .name = "Hercules Fortissimo IV",
+               .model = "fortissimo4",
+               .chip_init = prodigy_hifi_init,
+               .build_controls = prodigy_hifi_add_controls,
+               .eeprom_size = sizeof(fortissimo4_eeprom),
+               .eeprom_data = fortissimo4_eeprom,
+               .driver = "Fortissimo4",
+       },
+       { } /* terminator */
+};
+