sound/pci/ice1712/prodigy192.c - kernel/msm-4.9 - Gitiles

 /*
  *   ALSA driver for ICEnsemble VT1724 (Envy24HT)
  *
  *   Lowlevel functions for AudioTrak Prodigy 192 cards
  *
  *	Copyright (c) 2003 Takashi Iwai <tiwai@suse.de>
  *      Copyright (c) 2003 Dimitromanolakis Apostolos <apostol@cs.utoronto.ca>
  *      Copyright (c) 2004 Kouichi ONO <co2b@ceres.dti.ne.jp>
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
  *   the Free Software Foundation; either version 2 of the License, or
  *   (at your option) any later version.
  *
  *   This program is distributed in the hope that it will be useful,
  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *   GNU General Public License for more details.
  *
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, write to the Free Software
  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  *
  */

 #include <sound/driver.h>
 #include <asm/io.h>
 #include <linux/delay.h>
 #include <linux/interrupt.h>
 #include <linux/init.h>
 #include <linux/slab.h>
 #include <sound/core.h>

 #include "ice1712.h"
 #include "envy24ht.h"
 #include "prodigy192.h"
 #include "stac946x.h"
 #include <sound/tlv.h>

 static inline void stac9460_put(struct snd_ice1712 *ice, int reg, unsigned char val)
 {
 	snd_vt1724_write_i2c(ice, PRODIGY192_STAC9460_ADDR, reg, val);
 }

 static inline unsigned char stac9460_get(struct snd_ice1712 *ice, int reg)
 {
 	return snd_vt1724_read_i2c(ice, PRODIGY192_STAC9460_ADDR, reg);
 }

 /*
  * DAC mute control
  */
 static int stac9460_dac_mute_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 stac9460_dac_mute_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 	unsigned char val;
 	int idx;

 	if (kcontrol->private_value)
 		idx = STAC946X_MASTER_VOLUME;
 	else
 		idx  = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + STAC946X_LF_VOLUME;
 	val = stac9460_get(ice, idx);
 	ucontrol->value.integer.value[0] = (~val >> 7) & 0x1;
 	return 0;
 }

 static int stac9460_dac_mute_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 	unsigned char new, old;
 	int idx;
 	int change;

 	if (kcontrol->private_value)
 		idx = STAC946X_MASTER_VOLUME;
 	else
 		idx  = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + STAC946X_LF_VOLUME;
 	old = stac9460_get(ice, idx);
 	new = (~ucontrol->value.integer.value[0]<< 7 & 0x80) | (old & ~0x80);
 	change = (new != old);
 	if (change)
 		stac9460_put(ice, idx, new);

 	return change;
 }

 /*
  * DAC volume attenuation mixer control
  */
 static int stac9460_dac_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 */
 	uinfo->value.integer.max = 0x7f;		/* 0dB */
 	return 0;
 }

 static int stac9460_dac_vol_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 	int idx;
 	unsigned char vol;

 	if (kcontrol->private_value)
 		idx = STAC946X_MASTER_VOLUME;
 	else
 		idx  = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + STAC946X_LF_VOLUME;
 	vol = stac9460_get(ice, idx) & 0x7f;
 	ucontrol->value.integer.value[0] = 0x7f - vol;

 	return 0;
 }

 static int stac9460_dac_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 	int idx;
 	unsigned char tmp, ovol, nvol;
 	int change;

 	if (kcontrol->private_value)
 		idx = STAC946X_MASTER_VOLUME;
 	else
 		idx  = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + STAC946X_LF_VOLUME;
 	nvol = ucontrol->value.integer.value[0];
 	tmp = stac9460_get(ice, idx);
 	ovol = 0x7f - (tmp & 0x7f);
 	change = (ovol != nvol);
 	if (change) {
 		stac9460_put(ice, idx, (0x7f - nvol) | (tmp & 0x80));
 	}
 	return change;
 }

 /*
  * ADC mute control
  */
 static int stac9460_adc_mute_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 {
 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 	uinfo->count = 2;
 	uinfo->value.integer.min = 0;
 	uinfo->value.integer.max = 1;
 	return 0;
 }

 static int stac9460_adc_mute_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 	unsigned char val;
 	int i;

 	for (i = 0; i < 2; ++i) {
 		val = stac9460_get(ice, STAC946X_MIC_L_VOLUME + i);
 		ucontrol->value.integer.value[i] = ~val>>7 & 0x1;
 	}

 	return 0;
 }

 static int stac9460_adc_mute_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 	unsigned char new, old;
 	int i, reg;
 	int change;

 	for (i = 0; i < 2; ++i) {
 		reg = STAC946X_MIC_L_VOLUME + i;
 		old = stac9460_get(ice, reg);
 		new = (~ucontrol->value.integer.value[i]<<7&0x80) | (old&~0x80);
 		change = (new != old);
 		if (change)
 			stac9460_put(ice, reg, new);
 	}

 	return change;
 }

 /*
  * ADC gain mixer control
  */
 static int stac9460_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;		/* 0dB */
 	uinfo->value.integer.max = 0x0f;	/* 22.5dB */
 	return 0;
 }

 static int stac9460_adc_vol_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 	int i, reg;
 	unsigned char vol;

 	for (i = 0; i < 2; ++i) {
 		reg = STAC946X_MIC_L_VOLUME + i;
 		vol = stac9460_get(ice, reg) & 0x0f;
 		ucontrol->value.integer.value[i] = 0x0f - vol;
 	}

 	return 0;
 }

 static int stac9460_adc_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 	int i, reg;
 	unsigned char ovol, nvol;
 	int change;

 	for (i = 0; i < 2; ++i) {
 		reg = STAC946X_MIC_L_VOLUME + i;
 		nvol = ucontrol->value.integer.value[i];
 		ovol = 0x0f - stac9460_get(ice, reg);
 		change = ((ovol & 0x0f)  != nvol);
 		if (change)
 			stac9460_put(ice, reg, (0x0f - nvol) | (ovol & ~0x0f));
 	}

 	return change;
 }

 #if 0
 /*
  * Headphone Amplifier
  */
 static int aureon_set_headphone_amp(struct snd_ice1712 *ice, int enable)
 {
 	unsigned int tmp, tmp2;

 	tmp2 = tmp = snd_ice1712_gpio_read(ice);
 	if (enable)
 		tmp |= AUREON_HP_SEL;
 	else
 		tmp &= ~ AUREON_HP_SEL;
 	if (tmp != tmp2) {
 		snd_ice1712_gpio_write(ice, tmp);
 		return 1;
 	}
 	return 0;
 }

 static int aureon_get_headphone_amp(struct snd_ice1712 *ice)
 {
 	unsigned int tmp = snd_ice1712_gpio_read(ice);

 	return ( tmp & AUREON_HP_SEL )!= 0;
 }

 static int aureon_bool_info(struct snd_kcontrol *k, 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 aureon_hpamp_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);

 	ucontrol->value.integer.value[0] = aureon_get_headphone_amp(ice);
 	return 0;
 }


 static int aureon_hpamp_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);

 	return aureon_set_headphone_amp(ice,ucontrol->value.integer.value[0]);
 }

 /*
  * Deemphasis
  */
 static int aureon_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 aureon_deemp_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 	int temp, temp2;
 	temp2 = temp = wm_get(ice, WM_DAC_CTRL2);
 	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 aureon_oversampling_info(struct snd_kcontrol *k, struct snd_ctl_elem_info *uinfo)
 {
 	static char *texts[2] = { "128x", "64x"	};

 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 	uinfo->count = 1;
 	uinfo->value.enumerated.items = 2;

 	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
 		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
 	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);

         return 0;
 }

 static int aureon_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 aureon_oversampling_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
 	int temp, temp2;
 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);

 	temp2 = temp = wm_get(ice, WM_MASTER);

 	if (ucontrol->value.enumerated.item[0])
 		temp |= 0x8;
 	else
 		temp &= ~0x8;

 	if (temp != temp2) {
 		wm_put(ice, WM_MASTER, temp);
 		return 1;
 	}
 	return 0;
 }
 #endif

 static DECLARE_TLV_DB_SCALE(db_scale_dac, -19125, 75, 0);
 static DECLARE_TLV_DB_SCALE(db_scale_adc, 0, 150, 0);

 /*
  * mixers
  */

 static struct snd_kcontrol_new stac_controls[] __devinitdata = {
 	{
 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 		.name = "Master Playback Switch",
 		.info = stac9460_dac_mute_info,
 		.get = stac9460_dac_mute_get,
 		.put = stac9460_dac_mute_put,
 		.private_value = 1,
 		.tlv = { .p = db_scale_dac }
 	},
 	{
 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 		.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
 			   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
 		.name = "Master Playback Volume",
 		.info = stac9460_dac_vol_info,
 		.get = stac9460_dac_vol_get,
 		.put = stac9460_dac_vol_put,
 		.private_value = 1,
 		.tlv = { .p = db_scale_dac }
 	},
 	{
 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 		.name = "DAC Switch",
 		.count = 6,
 		.info = stac9460_dac_mute_info,
 		.get = stac9460_dac_mute_get,
 		.put = stac9460_dac_mute_put,
 	},
 	{
 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 		.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
 			   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
 		.name = "DAC Volume",
 		.count = 6,
 		.info = stac9460_dac_vol_info,
 		.get = stac9460_dac_vol_get,
 		.put = stac9460_dac_vol_put,
 		.tlv = { .p = db_scale_dac }
 	},
 	{
 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 		.name = "ADC Switch",
 		.count = 1,
 		.info = stac9460_adc_mute_info,
 		.get = stac9460_adc_mute_get,
 		.put = stac9460_adc_mute_put,

 	},
 	{
 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 		.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
 			   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
 		.name = "ADC Volume",
 		.count = 1,
 		.info = stac9460_adc_vol_info,
 		.get = stac9460_adc_vol_get,
 		.put = stac9460_adc_vol_put,
 		.tlv = { .p = db_scale_adc }
 	},
 #if 0
 	{
 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 		.name = "Capture Route",
 		.info = wm_adc_mux_info,
 		.get = wm_adc_mux_get,
 		.put = wm_adc_mux_put,
 	},
 	{
 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 		.name = "Headphone Amplifier Switch",
 		.info = aureon_bool_info,
 		.get = aureon_hpamp_get,
 		.put = aureon_hpamp_put
 	},
 	{
 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 		.name = "DAC Deemphasis Switch",
 		.info = aureon_bool_info,
 		.get = aureon_deemp_get,
 		.put = aureon_deemp_put
 	},
 	{
 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 		.name = "ADC Oversampling",
 		.info = aureon_oversampling_info,
 		.get = aureon_oversampling_get,
 		.put = aureon_oversampling_put
 	},
 #endif
 };

 static int __devinit prodigy192_add_controls(struct snd_ice1712 *ice)
 {
 	unsigned int i;
 	int err;

 	for (i = 0; i < ARRAY_SIZE(stac_controls); i++) {
 		err = snd_ctl_add(ice->card, snd_ctl_new1(&stac_controls[i], ice));
 		if (err < 0)
 			return err;
 	}
 	return 0;
 }


 /*
  * initialize the chip
  */
 static int __devinit prodigy192_init(struct snd_ice1712 *ice)
 {
 	static unsigned short stac_inits_prodigy[] = {
 		STAC946X_RESET, 0,
 /*		STAC946X_MASTER_VOLUME, 0,
 		STAC946X_LF_VOLUME, 0,
 		STAC946X_RF_VOLUME, 0,
 		STAC946X_LR_VOLUME, 0,
 		STAC946X_RR_VOLUME, 0,
 		STAC946X_CENTER_VOLUME, 0,
 		STAC946X_LFE_VOLUME, 0,*/
 		(unsigned short)-1
 	};
 	unsigned short *p;

 	/* prodigy 192 */
 	ice->num_total_dacs = 6;
 	ice->num_total_adcs = 2;

 	/* initialize codec */
 	p = stac_inits_prodigy;
 	for (; *p != (unsigned short)-1; p += 2)
 		stac9460_put(ice, p[0], p[1]);

 	return 0;
 }


 /*
  * Aureon boards don't provide the EEPROM data except for the vendor IDs.
  * hence the driver needs to sets up it properly.
  */

 static unsigned char prodigy71_eeprom[] __devinitdata = {
 	0x2b,	/* SYSCONF: clock 512, mpu401, spdif-in/ADC, 4DACs */
 	0x80,	/* ACLINK: I2S */
 	0xf8,	/* I2S: vol, 96k, 24bit, 192k */
 	0xc3,	/* SPDIF: out-en, out-int, spdif-in */
 	0xff,	/* GPIO_DIR */
 	0xff,	/* GPIO_DIR1 */
 	0xbf,	/* 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_prodigy192_cards[] __devinitdata = {
 	{
 		.subvendor = VT1724_SUBDEVICE_PRODIGY192VE,
 		.name = "Audiotrak Prodigy 192",
 		.model = "prodigy192",
 		.chip_init = prodigy192_init,
 		.build_controls = prodigy192_add_controls,
 		.eeprom_size = sizeof(prodigy71_eeprom),
 		.eeprom_data = prodigy71_eeprom,
 	},
 	{ } /* terminator */
 };
	/*
	* ALSA driver for ICEnsemble VT1724 (Envy24HT)
	*
	* Lowlevel functions for AudioTrak Prodigy 192 cards
	*
	* Copyright (c) 2003 Takashi Iwai <tiwai@suse.de>
	* Copyright (c) 2003 Dimitromanolakis Apostolos <apostol@cs.utoronto.ca>
	* Copyright (c) 2004 Kouichi ONO <co2b@ceres.dti.ne.jp>
	*
	* This program is free software; you can redistribute it and/or modify
	* it under the terms of the GNU General Public License as published by
	* the Free Software Foundation; either version 2 of the License, or
	* (at your option) any later version.
	*
	* This program is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License
	* along with this program; if not, write to the Free Software
	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	*
	*/

	#include <sound/driver.h>
	#include <asm/io.h>
	#include <linux/delay.h>
	#include <linux/interrupt.h>
	#include <linux/init.h>
	#include <linux/slab.h>
	#include <sound/core.h>

	#include "ice1712.h"
	#include "envy24ht.h"
	#include "prodigy192.h"
	#include "stac946x.h"
	#include <sound/tlv.h>

	static inline void stac9460_put(struct snd_ice1712 *ice, int reg, unsigned char val)
	{
	snd_vt1724_write_i2c(ice, PRODIGY192_STAC9460_ADDR, reg, val);
	}

	static inline unsigned char stac9460_get(struct snd_ice1712 *ice, int reg)
	{
	return snd_vt1724_read_i2c(ice, PRODIGY192_STAC9460_ADDR, reg);
	}

	/*
	* DAC mute control
	*/
	static int stac9460_dac_mute_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 stac9460_dac_mute_get(struct snd_kcontrol kcontrol, struct snd_ctl_elem_value ucontrol)
	{
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
	unsigned char val;
	int idx;

	if (kcontrol->private_value)
	idx = STAC946X_MASTER_VOLUME;
	else
	idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + STAC946X_LF_VOLUME;
	val = stac9460_get(ice, idx);
	ucontrol->value.integer.value[0] = (~val >> 7) & 0x1;
	return 0;
	}

	static int stac9460_dac_mute_put(struct snd_kcontrol kcontrol, struct snd_ctl_elem_value ucontrol)
	{
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
	unsigned char new, old;
	int idx;
	int change;

	if (kcontrol->private_value)
	idx = STAC946X_MASTER_VOLUME;
	else
	idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + STAC946X_LF_VOLUME;
	old = stac9460_get(ice, idx);
	new = (~ucontrol->value.integer.value[0]<< 7 & 0x80) \| (old & ~0x80);
	change = (new != old);
	if (change)
	stac9460_put(ice, idx, new);

	return change;
	}

	/*
	* DAC volume attenuation mixer control
	*/
	static int stac9460_dac_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 */
	uinfo->value.integer.max = 0x7f; /* 0dB */
	return 0;
	}

	static int stac9460_dac_vol_get(struct snd_kcontrol kcontrol, struct snd_ctl_elem_value ucontrol)
	{
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
	int idx;
	unsigned char vol;

	if (kcontrol->private_value)
	idx = STAC946X_MASTER_VOLUME;
	else
	idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + STAC946X_LF_VOLUME;
	vol = stac9460_get(ice, idx) & 0x7f;
	ucontrol->value.integer.value[0] = 0x7f - vol;

	return 0;
	}

	static int stac9460_dac_vol_put(struct snd_kcontrol kcontrol, struct snd_ctl_elem_value ucontrol)
	{
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
	int idx;
	unsigned char tmp, ovol, nvol;
	int change;

	if (kcontrol->private_value)
	idx = STAC946X_MASTER_VOLUME;
	else
	idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + STAC946X_LF_VOLUME;
	nvol = ucontrol->value.integer.value[0];
	tmp = stac9460_get(ice, idx);
	ovol = 0x7f - (tmp & 0x7f);
	change = (ovol != nvol);
	if (change) {
	stac9460_put(ice, idx, (0x7f - nvol) \| (tmp & 0x80));
	}
	return change;
	}

	/*
	* ADC mute control
	*/
	static int stac9460_adc_mute_info(struct snd_kcontrol kcontrol, struct snd_ctl_elem_info uinfo)
	{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
	uinfo->count = 2;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max = 1;
	return 0;
	}

	static int stac9460_adc_mute_get(struct snd_kcontrol kcontrol, struct snd_ctl_elem_value ucontrol)
	{
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
	unsigned char val;
	int i;

	for (i = 0; i < 2; ++i) {
	val = stac9460_get(ice, STAC946X_MIC_L_VOLUME + i);
	ucontrol->value.integer.value[i] = ~val>>7 & 0x1;
	}

	return 0;
	}

	static int stac9460_adc_mute_put(struct snd_kcontrol kcontrol, struct snd_ctl_elem_value ucontrol)
	{
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
	unsigned char new, old;
	int i, reg;
	int change;

	for (i = 0; i < 2; ++i) {
	reg = STAC946X_MIC_L_VOLUME + i;
	old = stac9460_get(ice, reg);
	new = (~ucontrol->value.integer.value[i]<<7&0x80) \| (old&~0x80);
	change = (new != old);
	if (change)
	stac9460_put(ice, reg, new);
	}

	return change;
	}

	/*
	* ADC gain mixer control
	*/
	static int stac9460_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; /* 0dB */
	uinfo->value.integer.max = 0x0f; /* 22.5dB */
	return 0;
	}

	static int stac9460_adc_vol_get(struct snd_kcontrol kcontrol, struct snd_ctl_elem_value ucontrol)
	{
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
	int i, reg;
	unsigned char vol;

	for (i = 0; i < 2; ++i) {
	reg = STAC946X_MIC_L_VOLUME + i;
	vol = stac9460_get(ice, reg) & 0x0f;
	ucontrol->value.integer.value[i] = 0x0f - vol;
	}

	return 0;
	}

	static int stac9460_adc_vol_put(struct snd_kcontrol kcontrol, struct snd_ctl_elem_value ucontrol)
	{
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
	int i, reg;
	unsigned char ovol, nvol;
	int change;

	for (i = 0; i < 2; ++i) {
	reg = STAC946X_MIC_L_VOLUME + i;
	nvol = ucontrol->value.integer.value[i];
	ovol = 0x0f - stac9460_get(ice, reg);
	change = ((ovol & 0x0f) != nvol);
	if (change)
	stac9460_put(ice, reg, (0x0f - nvol) \| (ovol & ~0x0f));
	}

	return change;
	}

	#if 0
	/*
	* Headphone Amplifier
	*/
	static int aureon_set_headphone_amp(struct snd_ice1712 *ice, int enable)
	{
	unsigned int tmp, tmp2;

	tmp2 = tmp = snd_ice1712_gpio_read(ice);
	if (enable)
	tmp \|= AUREON_HP_SEL;
	else
	tmp &= ~ AUREON_HP_SEL;
	if (tmp != tmp2) {
	snd_ice1712_gpio_write(ice, tmp);
	return 1;
	}
	return 0;
	}

	static int aureon_get_headphone_amp(struct snd_ice1712 *ice)
	{
	unsigned int tmp = snd_ice1712_gpio_read(ice);

	return ( tmp & AUREON_HP_SEL )!= 0;
	}

	static int aureon_bool_info(struct snd_kcontrol k, 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 aureon_hpamp_get(struct snd_kcontrol kcontrol, struct snd_ctl_elem_value ucontrol)
	{
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);

	ucontrol->value.integer.value[0] = aureon_get_headphone_amp(ice);
	return 0;
	}


	static int aureon_hpamp_put(struct snd_kcontrol kcontrol, struct snd_ctl_elem_value ucontrol)
	{
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);

	return aureon_set_headphone_amp(ice,ucontrol->value.integer.value[0]);
	}

	/*
	* Deemphasis
	*/
	static int aureon_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 aureon_deemp_put(struct snd_kcontrol kcontrol, struct snd_ctl_elem_value ucontrol)
	{
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
	int temp, temp2;
	temp2 = temp = wm_get(ice, WM_DAC_CTRL2);
	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 aureon_oversampling_info(struct snd_kcontrol k, struct snd_ctl_elem_info uinfo)
	{
	static char *texts[2] = { "128x", "64x" };

	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
	uinfo->value.enumerated.items = 2;

	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
	uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);

	return 0;
	}

	static int aureon_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 aureon_oversampling_put(struct snd_kcontrol kcontrol, struct snd_ctl_elem_value ucontrol)
	{
	int temp, temp2;
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);

	temp2 = temp = wm_get(ice, WM_MASTER);

	if (ucontrol->value.enumerated.item[0])
	temp \|= 0x8;
	else
	temp &= ~0x8;

	if (temp != temp2) {
	wm_put(ice, WM_MASTER, temp);
	return 1;
	}
	return 0;
	}
	#endif

	static DECLARE_TLV_DB_SCALE(db_scale_dac, -19125, 75, 0);
	static DECLARE_TLV_DB_SCALE(db_scale_adc, 0, 150, 0);

	/*
	* mixers
	*/

	static struct snd_kcontrol_new stac_controls[] __devinitdata = {
	{
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.name = "Master Playback Switch",
	.info = stac9460_dac_mute_info,
	.get = stac9460_dac_mute_get,
	.put = stac9460_dac_mute_put,
	.private_value = 1,
	.tlv = { .p = db_scale_dac }
	},
	{
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE \|
	SNDRV_CTL_ELEM_ACCESS_TLV_READ),
	.name = "Master Playback Volume",
	.info = stac9460_dac_vol_info,
	.get = stac9460_dac_vol_get,
	.put = stac9460_dac_vol_put,
	.private_value = 1,
	.tlv = { .p = db_scale_dac }
	},
	{
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.name = "DAC Switch",
	.count = 6,
	.info = stac9460_dac_mute_info,
	.get = stac9460_dac_mute_get,
	.put = stac9460_dac_mute_put,
	},
	{
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE \|
	SNDRV_CTL_ELEM_ACCESS_TLV_READ),
	.name = "DAC Volume",
	.count = 6,
	.info = stac9460_dac_vol_info,
	.get = stac9460_dac_vol_get,
	.put = stac9460_dac_vol_put,
	.tlv = { .p = db_scale_dac }
	},
	{
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.name = "ADC Switch",
	.count = 1,
	.info = stac9460_adc_mute_info,
	.get = stac9460_adc_mute_get,
	.put = stac9460_adc_mute_put,

	},
	{
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE \|
	SNDRV_CTL_ELEM_ACCESS_TLV_READ),
	.name = "ADC Volume",
	.count = 1,
	.info = stac9460_adc_vol_info,
	.get = stac9460_adc_vol_get,
	.put = stac9460_adc_vol_put,
	.tlv = { .p = db_scale_adc }
	},
	#if 0
	{
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.name = "Capture Route",
	.info = wm_adc_mux_info,
	.get = wm_adc_mux_get,
	.put = wm_adc_mux_put,
	},
	{
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.name = "Headphone Amplifier Switch",
	.info = aureon_bool_info,
	.get = aureon_hpamp_get,
	.put = aureon_hpamp_put
	},
	{
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.name = "DAC Deemphasis Switch",
	.info = aureon_bool_info,
	.get = aureon_deemp_get,
	.put = aureon_deemp_put
	},
	{
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.name = "ADC Oversampling",
	.info = aureon_oversampling_info,
	.get = aureon_oversampling_get,
	.put = aureon_oversampling_put
	},
	#endif
	};

	static int __devinit prodigy192_add_controls(struct snd_ice1712 *ice)
	{
	unsigned int i;
	int err;

	for (i = 0; i < ARRAY_SIZE(stac_controls); i++) {
	err = snd_ctl_add(ice->card, snd_ctl_new1(&stac_controls[i], ice));
	if (err < 0)
	return err;
	}
	return 0;
	}


	/*
	* initialize the chip
	*/
	static int __devinit prodigy192_init(struct snd_ice1712 *ice)
	{
	static unsigned short stac_inits_prodigy[] = {
	STAC946X_RESET, 0,
	/* STAC946X_MASTER_VOLUME, 0,
	STAC946X_LF_VOLUME, 0,
	STAC946X_RF_VOLUME, 0,
	STAC946X_LR_VOLUME, 0,
	STAC946X_RR_VOLUME, 0,
	STAC946X_CENTER_VOLUME, 0,
	STAC946X_LFE_VOLUME, 0,*/
	(unsigned short)-1
	};
	unsigned short *p;

	/* prodigy 192 */
	ice->num_total_dacs = 6;
	ice->num_total_adcs = 2;

	/* initialize codec */
	p = stac_inits_prodigy;
	for (; *p != (unsigned short)-1; p += 2)
	stac9460_put(ice, p[0], p[1]);

	return 0;
	}


	/*
	* Aureon boards don't provide the EEPROM data except for the vendor IDs.
	* hence the driver needs to sets up it properly.
	*/

	static unsigned char prodigy71_eeprom[] __devinitdata = {
	0x2b, /* SYSCONF: clock 512, mpu401, spdif-in/ADC, 4DACs */
	0x80, /* ACLINK: I2S */
	0xf8, /* I2S: vol, 96k, 24bit, 192k */
	0xc3, /* SPDIF: out-en, out-int, spdif-in */
	0xff, /* GPIO_DIR */
	0xff, /* GPIO_DIR1 */
	0xbf, /* 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_prodigy192_cards[] __devinitdata = {
	{
	.subvendor = VT1724_SUBDEVICE_PRODIGY192VE,
	.name = "Audiotrak Prodigy 192",
	.model = "prodigy192",
	.chip_init = prodigy192_init,
	.build_controls = prodigy192_add_controls,
	.eeprom_size = sizeof(prodigy71_eeprom),
	.eeprom_data = prodigy71_eeprom,
	},
	{ } /* terminator */
	};