sound/pci/ice1712/wtm.c - kernel/msm - Gitiles

 /*
  *	ALSA driver for ICEnsemble VT1724 (Envy24HT)
  *
  *	Lowlevel functions for Ego Sys Waveterminal 192M
  *
  *		Copyright (c) 2006 Guedez Clement <klem.dev@gmail.com>
  *		Some functions are taken from the Prodigy192 driver
  *		source
  *
  *	This program is free software; you can redistribute it and/or modify
  *	it under the terms of the GNU General Public License as published by
  *	the Free Software Foundation; either version 2 of the License, or
  *	(at your option) any later version.
  *
  *	This program is distributed in the hope that it will be useful,
  *	but WITHOUT ANY WARRANTY; without even the implied warranty of
  *	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  *	GNU General Public License for more details.
  *
  *	You should have received a copy of the GNU General Public License
  *	along with this program; if not, write to the Free Software
  *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  *
  */


 #include <linux/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 "wtm.h"
 #include "stac946x.h"


 /*
  *	2*ADC 6*DAC no1 ringbuffer r/w on i2c bus
  */
 static inline void stac9460_put(struct snd_ice1712 *ice, int reg,
 						unsigned char val)
 {
 	snd_vt1724_write_i2c(ice, STAC9460_I2C_ADDR, reg, val);
 }

 static inline unsigned char stac9460_get(struct snd_ice1712 *ice, int reg)
 {
 	return snd_vt1724_read_i2c(ice, STAC9460_I2C_ADDR, reg);
 }

 /*
  *	2*ADC 2*DAC no2 ringbuffer r/w on i2c bus
  */
 static inline void stac9460_2_put(struct snd_ice1712 *ice, int reg,
 						unsigned char val)
 {
 	snd_vt1724_write_i2c(ice, STAC9460_2_I2C_ADDR, reg, val);
 }

 static inline unsigned char stac9460_2_get(struct snd_ice1712 *ice, int reg)
 {
 	return snd_vt1724_read_i2c(ice, STAC9460_2_I2C_ADDR, reg);
 }


 /*
  *	DAC mute control
  */
 #define stac9460_dac_mute_info		snd_ctl_boolean_mono_info

 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, id;

 	if (kcontrol->private_value) {
 		idx = STAC946X_MASTER_VOLUME;
 		id = 0;
 	} else {
 		id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
 		idx = id + STAC946X_LF_VOLUME;
 	}
 	if (id < 6)
 		val = stac9460_get(ice, idx);
 	else
 		val = stac9460_2_get(ice, idx - 6);
 	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 id, idx;
 	int change;

 	if (kcontrol->private_value) {
 		idx = STAC946X_MASTER_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);
 			stac9460_2_put(ice, idx, new);
 		}
 	} else {
 		id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
 		idx = id + STAC946X_LF_VOLUME;
 		if (id < 6)
 			old = stac9460_get(ice, idx);
 		else
 			old = stac9460_2_get(ice, idx - 6);
 		new = (~ucontrol->value.integer.value[0] << 7 & 0x80) |
 							(old & ~0x80);
 		change = (new != old);
 		if (change) {
 			if (id < 6)
 				stac9460_put(ice, idx, new);
 			else
 				stac9460_2_put(ice, idx - 6, 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, id;
 	unsigned char vol;

 	if (kcontrol->private_value) {
 		idx = STAC946X_MASTER_VOLUME;
 		id = 0;
 	} else {
 		id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
 		idx = id + STAC946X_LF_VOLUME;
 	}
 	if (id < 6)
 		vol = stac9460_get(ice, idx) & 0x7f;
 	else
 		vol = stac9460_2_get(ice, idx - 6) & 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, id;
 	unsigned char tmp, ovol, nvol;
 	int change;

 	if (kcontrol->private_value) {
 		idx = STAC946X_MASTER_VOLUME;
 		nvol = ucontrol->value.integer.value[0] & 0x7f;
 		tmp = stac9460_get(ice, idx);
 		ovol = 0x7f - (tmp & 0x7f);
 		change = (ovol != nvol);
 		if (change) {
 			stac9460_put(ice, idx, (0x7f - nvol) | (tmp & 0x80));
 			stac9460_2_put(ice, idx, (0x7f - nvol) | (tmp & 0x80));
 		}
 	} else {
 		id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
 		idx = id + STAC946X_LF_VOLUME;
 		nvol = ucontrol->value.integer.value[0] & 0x7f;
 		if (id < 6)
 			tmp = stac9460_get(ice, idx);
 		else
 			tmp = stac9460_2_get(ice, idx - 6);
 		ovol = 0x7f - (tmp & 0x7f);
 		change = (ovol != nvol);
 		if (change) {
 			if (id < 6)
 				stac9460_put(ice, idx, (0x7f - nvol) |
 							(tmp & 0x80));
 			else
 				stac9460_2_put(ice, idx-6, (0x7f - nvol) |
 							(tmp & 0x80));
 		}
 	}
 	return change;
 }

 /*
  * ADC mute control
  */
 #define stac9460_adc_mute_info		snd_ctl_boolean_stereo_info

 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, id;

 	id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
 	if (id == 0) {
 		for (i = 0; i < 2; ++i) {
 			val = stac9460_get(ice, STAC946X_MIC_L_VOLUME + i);
 			ucontrol->value.integer.value[i] = ~val>>7 & 0x1;
 		}
 	} else {
 		for (i = 0; i < 2; ++i) {
 			val = stac9460_2_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, id;
 	int change;

 	id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
 	if (id == 0) {
 		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);
 		}
 	} else {
 		for (i = 0; i < 2; ++i) {
 			reg = STAC946X_MIC_L_VOLUME + i;
 			old = stac9460_2_get(ice, reg);
 			new = (~ucontrol->value.integer.value[i]<<7&0x80) |
 								(old&~0x80);
 			change = (new != old);
 			if (change)
 				stac9460_2_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, id;
 	unsigned char vol;

 	id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
 	if (id == 0) {
 		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;
 		}
 	} else {
 		for (i = 0; i < 2; ++i) {
 			reg = STAC946X_MIC_L_VOLUME + i;
 			vol = stac9460_2_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, id;
 	unsigned char ovol, nvol;
 	int change;

 	id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
 	if (id == 0) {
 		for (i = 0; i < 2; ++i) {
 			reg = STAC946X_MIC_L_VOLUME + i;
 			nvol = ucontrol->value.integer.value[i] & 0x0f;
 			ovol = 0x0f - stac9460_get(ice, reg);
 			change = ((ovol & 0x0f) != nvol);
 			if (change)
 				stac9460_put(ice, reg, (0x0f - nvol) |
 							(ovol & ~0x0f));
 		}
 	} else {
 		for (i = 0; i < 2; ++i) {
 			reg = STAC946X_MIC_L_VOLUME + i;
 			nvol = ucontrol->value.integer.value[i] & 0x0f;
 			ovol = 0x0f - stac9460_2_get(ice, reg);
 			change = ((ovol & 0x0f) != nvol);
 			if (change)
 				stac9460_2_put(ice, reg, (0x0f - nvol) |
 							(ovol & ~0x0f));
 		}
 	}
 	return change;
 }

 /*
  * MIC / LINE switch fonction
  */

 #define stac9460_mic_sw_info		snd_ctl_boolean_mono_info

 static int stac9460_mic_sw_get(struct snd_kcontrol *kcontrol,
 				struct snd_ctl_elem_value *ucontrol)
 {
 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 	unsigned char val;
 	int id;

 	id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
 	if (id == 0)
 		val = stac9460_get(ice, STAC946X_GENERAL_PURPOSE);
 	else
 		val = stac9460_2_get(ice, STAC946X_GENERAL_PURPOSE);
 	ucontrol->value.integer.value[0] = ~val>>7 & 0x1;
 	return 0;
 }

 static int stac9460_mic_sw_put(struct snd_kcontrol *kcontrol,
 				struct snd_ctl_elem_value *ucontrol)
 {
 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 	unsigned char new, old;
 	int change, id;

 	id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
 	if (id == 0)
 		old = stac9460_get(ice, STAC946X_GENERAL_PURPOSE);
 	else
 		old = stac9460_2_get(ice, STAC946X_GENERAL_PURPOSE);
 	new = (~ucontrol->value.integer.value[0] << 7 & 0x80) | (old & ~0x80);
 	change = (new != old);
 	if (change) {
 		if (id == 0)
 			stac9460_put(ice, STAC946X_GENERAL_PURPOSE, new);
 		else
 			stac9460_2_put(ice, STAC946X_GENERAL_PURPOSE, new);
 	}
 	return change;
 }

 /*
  * Control tabs
  */
 static struct snd_kcontrol_new stac9640_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
 	},
 	{
 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 		.name = "Master Playback Volume",
 		.info = stac9460_dac_vol_info,
 		.get = stac9460_dac_vol_get,
 		.put = stac9460_dac_vol_put,
 		.private_value = 1,
 	},
 	{
 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 		.name = "MIC/Line switch",
 		.count = 2,
 		.info = stac9460_mic_sw_info,
 		.get = stac9460_mic_sw_get,
 		.put = stac9460_mic_sw_put,

 	},
 	{
 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 		.name = "DAC Switch",
 		.count = 8,
 		.info = stac9460_dac_mute_info,
 		.get = stac9460_dac_mute_get,
 		.put = stac9460_dac_mute_put,
 	},
 	{
 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 		.name = "DAC Volume",
 		.count = 8,
 		.info = stac9460_dac_vol_info,
 		.get = stac9460_dac_vol_get,
 		.put = stac9460_dac_vol_put,
 	},
 	{
 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 		.name = "ADC Switch",
 		.count = 2,
 		.info = stac9460_adc_mute_info,
 		.get = stac9460_adc_mute_get,
 		.put = stac9460_adc_mute_put,
 	},
 	{
 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 		.name = "ADC Volume",
 		.count = 2,
 		.info = stac9460_adc_vol_info,
 		.get = stac9460_adc_vol_get,
 		.put = stac9460_adc_vol_put,

 	}
 };


 /*INIT*/
 static int __devinit wtm_add_controls(struct snd_ice1712 *ice)
 {
 	unsigned int i;
 	int err;

 	for (i = 0; i < ARRAY_SIZE(stac9640_controls); i++) {
 		err = snd_ctl_add(ice->card,
 				snd_ctl_new1(&stac9640_controls[i], ice));
 		if (err < 0)
 			return err;
 	}
 	return 0;
 }

 static int __devinit wtm_init(struct snd_ice1712 *ice)
 {
 	static unsigned short stac_inits_prodigy[] = {
 		STAC946X_RESET, 0,
 		(unsigned short)-1
 	};
 	unsigned short *p;

 	/*WTM 192M*/
 	ice->num_total_dacs = 8;
 	ice->num_total_adcs = 4;
 	ice->force_rdma1 = 1;

 	/*initialize codec*/
 	p = stac_inits_prodigy;
 	for (; *p != (unsigned short)-1; p += 2) {
 		stac9460_put(ice, p[0], p[1]);
 		stac9460_2_put(ice, p[0], p[1]);
 	}
 	return 0;
 }


 static unsigned char wtm_eeprom[] __devinitdata = {
 	0x47,	/*SYSCONF: clock 192KHz, 4ADC, 8DAC */
 	0x80,	/* ACLINK : I2S */
 	0xf8,	/* I2S: vol; 96k, 24bit, 192k */
 	0xc1	/*SPDIF: out-en, spidf ext out*/,
 	0x9f,	/* GPIO_DIR */
 	0xff,	/* GPIO_DIR1 */
 	0x7f,	/* GPIO_DIR2 */
 	0x9f,	/* GPIO_MASK */
 	0xff,	/* GPIO_MASK1 */
 	0x7f,	/* GPIO_MASK2 */
 	0x16,	/* GPIO_STATE */
 	0x80,	/* GPIO_STATE1 */
 	0x00,	/* GPIO_STATE2 */
 };


 /*entry point*/
 struct snd_ice1712_card_info snd_vt1724_wtm_cards[] __devinitdata = {
 	{
 		.subvendor = VT1724_SUBDEVICE_WTM,
 		.name = "ESI Waveterminal 192M",
 		.model = "WT192M",
 		.chip_init = wtm_init,
 		.build_controls = wtm_add_controls,
 		.eeprom_size = sizeof(wtm_eeprom),
 		.eeprom_data = wtm_eeprom,
 	},
 	{} /*terminator*/
 };
	/*
	* ALSA driver for ICEnsemble VT1724 (Envy24HT)
	*
	* Lowlevel functions for Ego Sys Waveterminal 192M
	*
	* Copyright (c) 2006 Guedez Clement <klem.dev@gmail.com>
	* Some functions are taken from the Prodigy192 driver
	* source
	*
	* This program is free software; you can redistribute it and/or modify
	* it under the terms of the GNU General Public License as published by
	* the Free Software Foundation; either version 2 of the License, or
	* (at your option) any later version.
	*
	* This program is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License
	* along with this program; if not, write to the Free Software
	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	*
	*/



	#include <linux/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 "wtm.h"
	#include "stac946x.h"


	/*
	* 2ADC 6DAC no1 ringbuffer r/w on i2c bus
	*/
	static inline void stac9460_put(struct snd_ice1712 *ice, int reg,
	unsigned char val)
	{
	snd_vt1724_write_i2c(ice, STAC9460_I2C_ADDR, reg, val);
	}

	static inline unsigned char stac9460_get(struct snd_ice1712 *ice, int reg)
	{
	return snd_vt1724_read_i2c(ice, STAC9460_I2C_ADDR, reg);
	}

	/*
	* 2ADC 2DAC no2 ringbuffer r/w on i2c bus
	*/
	static inline void stac9460_2_put(struct snd_ice1712 *ice, int reg,
	unsigned char val)
	{
	snd_vt1724_write_i2c(ice, STAC9460_2_I2C_ADDR, reg, val);
	}

	static inline unsigned char stac9460_2_get(struct snd_ice1712 *ice, int reg)
	{
	return snd_vt1724_read_i2c(ice, STAC9460_2_I2C_ADDR, reg);
	}


	/*
	* DAC mute control
	*/
	#define stac9460_dac_mute_info snd_ctl_boolean_mono_info

	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, id;

	if (kcontrol->private_value) {
	idx = STAC946X_MASTER_VOLUME;
	id = 0;
	} else {
	id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
	idx = id + STAC946X_LF_VOLUME;
	}
	if (id < 6)
	val = stac9460_get(ice, idx);
	else
	val = stac9460_2_get(ice, idx - 6);
	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 id, idx;
	int change;

	if (kcontrol->private_value) {
	idx = STAC946X_MASTER_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);
	stac9460_2_put(ice, idx, new);
	}
	} else {
	id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
	idx = id + STAC946X_LF_VOLUME;
	if (id < 6)
	old = stac9460_get(ice, idx);
	else
	old = stac9460_2_get(ice, idx - 6);
	new = (~ucontrol->value.integer.value[0] << 7 & 0x80) \|
	(old & ~0x80);
	change = (new != old);
	if (change) {
	if (id < 6)
	stac9460_put(ice, idx, new);
	else
	stac9460_2_put(ice, idx - 6, 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, id;
	unsigned char vol;

	if (kcontrol->private_value) {
	idx = STAC946X_MASTER_VOLUME;
	id = 0;
	} else {
	id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
	idx = id + STAC946X_LF_VOLUME;
	}
	if (id < 6)
	vol = stac9460_get(ice, idx) & 0x7f;
	else
	vol = stac9460_2_get(ice, idx - 6) & 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, id;
	unsigned char tmp, ovol, nvol;
	int change;

	if (kcontrol->private_value) {
	idx = STAC946X_MASTER_VOLUME;
	nvol = ucontrol->value.integer.value[0] & 0x7f;
	tmp = stac9460_get(ice, idx);
	ovol = 0x7f - (tmp & 0x7f);
	change = (ovol != nvol);
	if (change) {
	stac9460_put(ice, idx, (0x7f - nvol) \| (tmp & 0x80));
	stac9460_2_put(ice, idx, (0x7f - nvol) \| (tmp & 0x80));
	}
	} else {
	id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
	idx = id + STAC946X_LF_VOLUME;
	nvol = ucontrol->value.integer.value[0] & 0x7f;
	if (id < 6)
	tmp = stac9460_get(ice, idx);
	else
	tmp = stac9460_2_get(ice, idx - 6);
	ovol = 0x7f - (tmp & 0x7f);
	change = (ovol != nvol);
	if (change) {
	if (id < 6)
	stac9460_put(ice, idx, (0x7f - nvol) \|
	(tmp & 0x80));
	else
	stac9460_2_put(ice, idx-6, (0x7f - nvol) \|
	(tmp & 0x80));
	}
	}
	return change;
	}

	/*
	* ADC mute control
	*/
	#define stac9460_adc_mute_info snd_ctl_boolean_stereo_info

	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, id;

	id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
	if (id == 0) {
	for (i = 0; i < 2; ++i) {
	val = stac9460_get(ice, STAC946X_MIC_L_VOLUME + i);
	ucontrol->value.integer.value[i] = ~val>>7 & 0x1;
	}
	} else {
	for (i = 0; i < 2; ++i) {
	val = stac9460_2_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, id;
	int change;

	id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
	if (id == 0) {
	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);
	}
	} else {
	for (i = 0; i < 2; ++i) {
	reg = STAC946X_MIC_L_VOLUME + i;
	old = stac9460_2_get(ice, reg);
	new = (~ucontrol->value.integer.value[i]<<7&0x80) \|
	(old&~0x80);
	change = (new != old);
	if (change)
	stac9460_2_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, id;
	unsigned char vol;

	id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
	if (id == 0) {
	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;
	}
	} else {
	for (i = 0; i < 2; ++i) {
	reg = STAC946X_MIC_L_VOLUME + i;
	vol = stac9460_2_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, id;
	unsigned char ovol, nvol;
	int change;

	id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
	if (id == 0) {
	for (i = 0; i < 2; ++i) {
	reg = STAC946X_MIC_L_VOLUME + i;
	nvol = ucontrol->value.integer.value[i] & 0x0f;
	ovol = 0x0f - stac9460_get(ice, reg);
	change = ((ovol & 0x0f) != nvol);
	if (change)
	stac9460_put(ice, reg, (0x0f - nvol) \|
	(ovol & ~0x0f));
	}
	} else {
	for (i = 0; i < 2; ++i) {
	reg = STAC946X_MIC_L_VOLUME + i;
	nvol = ucontrol->value.integer.value[i] & 0x0f;
	ovol = 0x0f - stac9460_2_get(ice, reg);
	change = ((ovol & 0x0f) != nvol);
	if (change)
	stac9460_2_put(ice, reg, (0x0f - nvol) \|
	(ovol & ~0x0f));
	}
	}
	return change;
	}

	/*
	* MIC / LINE switch fonction
	*/

	#define stac9460_mic_sw_info snd_ctl_boolean_mono_info

	static int stac9460_mic_sw_get(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol)
	{
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
	unsigned char val;
	int id;

	id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
	if (id == 0)
	val = stac9460_get(ice, STAC946X_GENERAL_PURPOSE);
	else
	val = stac9460_2_get(ice, STAC946X_GENERAL_PURPOSE);
	ucontrol->value.integer.value[0] = ~val>>7 & 0x1;
	return 0;
	}

	static int stac9460_mic_sw_put(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol)
	{
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
	unsigned char new, old;
	int change, id;

	id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
	if (id == 0)
	old = stac9460_get(ice, STAC946X_GENERAL_PURPOSE);
	else
	old = stac9460_2_get(ice, STAC946X_GENERAL_PURPOSE);
	new = (~ucontrol->value.integer.value[0] << 7 & 0x80) \| (old & ~0x80);
	change = (new != old);
	if (change) {
	if (id == 0)
	stac9460_put(ice, STAC946X_GENERAL_PURPOSE, new);
	else
	stac9460_2_put(ice, STAC946X_GENERAL_PURPOSE, new);
	}
	return change;
	}

	/*
	* Control tabs
	*/
	static struct snd_kcontrol_new stac9640_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
	},
	{
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.name = "Master Playback Volume",
	.info = stac9460_dac_vol_info,
	.get = stac9460_dac_vol_get,
	.put = stac9460_dac_vol_put,
	.private_value = 1,
	},
	{
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.name = "MIC/Line switch",
	.count = 2,
	.info = stac9460_mic_sw_info,
	.get = stac9460_mic_sw_get,
	.put = stac9460_mic_sw_put,

	},
	{
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.name = "DAC Switch",
	.count = 8,
	.info = stac9460_dac_mute_info,
	.get = stac9460_dac_mute_get,
	.put = stac9460_dac_mute_put,
	},
	{
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.name = "DAC Volume",
	.count = 8,
	.info = stac9460_dac_vol_info,
	.get = stac9460_dac_vol_get,
	.put = stac9460_dac_vol_put,
	},
	{
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.name = "ADC Switch",
	.count = 2,
	.info = stac9460_adc_mute_info,
	.get = stac9460_adc_mute_get,
	.put = stac9460_adc_mute_put,
	},
	{
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.name = "ADC Volume",
	.count = 2,
	.info = stac9460_adc_vol_info,
	.get = stac9460_adc_vol_get,
	.put = stac9460_adc_vol_put,

	}
	};



	/INIT/
	static int __devinit wtm_add_controls(struct snd_ice1712 *ice)
	{
	unsigned int i;
	int err;

	for (i = 0; i < ARRAY_SIZE(stac9640_controls); i++) {
	err = snd_ctl_add(ice->card,
	snd_ctl_new1(&stac9640_controls[i], ice));
	if (err < 0)
	return err;
	}
	return 0;
	}

	static int __devinit wtm_init(struct snd_ice1712 *ice)
	{
	static unsigned short stac_inits_prodigy[] = {
	STAC946X_RESET, 0,
	(unsigned short)-1
	};
	unsigned short *p;

	/WTM 192M/
	ice->num_total_dacs = 8;
	ice->num_total_adcs = 4;
	ice->force_rdma1 = 1;

	/initialize codec/
	p = stac_inits_prodigy;
	for (; *p != (unsigned short)-1; p += 2) {
	stac9460_put(ice, p[0], p[1]);
	stac9460_2_put(ice, p[0], p[1]);
	}
	return 0;
	}


	static unsigned char wtm_eeprom[] __devinitdata = {
	0x47, /SYSCONF: clock 192KHz, 4ADC, 8DAC /
	0x80, /* ACLINK : I2S */
	0xf8, /* I2S: vol; 96k, 24bit, 192k */
	0xc1 /SPDIF: out-en, spidf ext out/,
	0x9f, /* GPIO_DIR */
	0xff, /* GPIO_DIR1 */
	0x7f, /* GPIO_DIR2 */
	0x9f, /* GPIO_MASK */
	0xff, /* GPIO_MASK1 */
	0x7f, /* GPIO_MASK2 */
	0x16, /* GPIO_STATE */
	0x80, /* GPIO_STATE1 */
	0x00, /* GPIO_STATE2 */
	};


	/entry point/
	struct snd_ice1712_card_info snd_vt1724_wtm_cards[] __devinitdata = {
	{
	.subvendor = VT1724_SUBDEVICE_WTM,
	.name = "ESI Waveterminal 192M",
	.model = "WT192M",
	.chip_init = wtm_init,
	.build_controls = wtm_add_controls,
	.eeprom_size = sizeof(wtm_eeprom),
	.eeprom_data = wtm_eeprom,
	},
	{} /terminator/
	};