aureon.c

linux 内核源代码

	ucontrol->value.integer.value[0] = (ice->spec.aureon.master[0] & WM_VOL_MUTE) ? 0 : 1;
	ucontrol->value.integer.value[1] = (ice->spec.aureon.master[1] & WM_VOL_MUTE) ? 0 : 1;
	return 0;
}

static int wm_master_mute_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
	int change = 0, i;

	snd_ice1712_save_gpio_status(ice);
	for (i = 0; i < 2; i++) {
		int val = (ice->spec.aureon.master[i] & WM_VOL_MUTE) ? 0 : 1;
		if (ucontrol->value.integer.value[i] != val) {
			int dac;
			ice->spec.aureon.master[i] &= ~WM_VOL_MUTE;
			ice->spec.aureon.master[i] |=
				ucontrol->value.integer.value[i] ? 0 : WM_VOL_MUTE;
			for (dac = 0; dac < ice->num_total_dacs; dac += 2)
				wm_set_vol(ice, WM_DAC_ATTEN + dac + i,
					   ice->spec.aureon.vol[dac + i],
					   ice->spec.aureon.master[i]);
			change = 1;
		}
	}
	snd_ice1712_restore_gpio_status(ice);

	return change;
}

/* digital master volume */
#define PCM_0dB 0xff
#define PCM_RES 128	/* -64dB */
#define PCM_MIN (PCM_0dB - PCM_RES)
static int wm_pcm_vol_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
	uinfo->count = 1;
	uinfo->value.integer.min = 0;		/* mute (-64dB) */
	uinfo->value.integer.max = PCM_RES;	/* 0dB */
	return 0;
}

static int wm_pcm_vol_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
	unsigned short val;

	mutex_lock(&ice->gpio_mutex);
	val = wm_get(ice, WM_DAC_DIG_MASTER_ATTEN) & 0xff;
	val = val > PCM_MIN ? (val - PCM_MIN) : 0;
	ucontrol->value.integer.value[0] = val;
	mutex_unlock(&ice->gpio_mutex);
	return 0;
}

static int wm_pcm_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
	unsigned short ovol, nvol;
	int change = 0;

	snd_ice1712_save_gpio_status(ice);
	nvol = ucontrol->value.integer.value[0];
	nvol = (nvol ? (nvol + PCM_MIN) : 0) & 0xff;
	ovol = wm_get(ice, WM_DAC_DIG_MASTER_ATTEN) & 0xff;
	if (ovol != nvol) {
		wm_put(ice, WM_DAC_DIG_MASTER_ATTEN, nvol); /* prelatch */
		wm_put_nocache(ice, WM_DAC_DIG_MASTER_ATTEN, nvol | 0x100); /* update */
		change = 1;
	}
	snd_ice1712_restore_gpio_status(ice);
	return change;
}

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

static int wm_adc_mute_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_GAIN + i);
		ucontrol->value.integer.value[i] = ~val>>5 & 0x1;
	}
	mutex_unlock(&ice->gpio_mutex);
	return 0;
}

static int wm_adc_mute_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
	unsigned short new, old;
	int i, change = 0;

	snd_ice1712_save_gpio_status(ice);
	for (i = 0; i < 2; i++) {
		old = wm_get(ice, WM_ADC_GAIN + i);
		new = (~ucontrol->value.integer.value[i]<<5&0x20) | (old&~0x20);
		if (new != old) {
			wm_put(ice, WM_ADC_GAIN + i, new);
			change = 1;
		}
	}
	snd_ice1712_restore_gpio_status(ice);

	return change;
}

/*
 * ADC gain mixer control
 */
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;		/* -12dB */
	uinfo->value.integer.max = 0x1f;	/* 19dB */
	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);
	int i, idx;
	unsigned short vol;

	mutex_lock(&ice->gpio_mutex);
	for (i = 0; i < 2; i++) {
		idx = WM_ADC_GAIN + i;
		vol = wm_get(ice, idx) & 0x1f;
		ucontrol->value.integer.value[i] = vol;
	}
	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);
	int i, idx;
	unsigned short ovol, nvol;
	int change = 0;

	snd_ice1712_save_gpio_status(ice);
	for (i = 0; i < 2; i++) {
		idx  = WM_ADC_GAIN + i;
		nvol = ucontrol->value.integer.value[i];
		ovol = wm_get(ice, idx);
		if ((ovol & 0x1f) != nvol) {
			wm_put(ice, idx, nvol | (ovol & ~0x1f));
			change = 1;
		}
	}
	snd_ice1712_restore_gpio_status(ice);
	return change;
}

/*
 * ADC input mux mixer control
 */
static int wm_adc_mux_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
	static const char * const texts[] = {
		"CD",		//AIN1
		"Aux",		//AIN2
		"Line",		//AIN3
		"Mic",		//AIN4
		"AC97"		//AIN5
	};
	static const char * const universe_texts[] = {
		"Aux1",		//AIN1
		"CD",		//AIN2
		"Phono",	//AIN3
		"Line",		//AIN4
		"Aux2",		//AIN5
		"Mic",		//AIN6
		"Aux3",		//AIN7
		"AC97"		//AIN8
	};
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);

	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 2;
	if (ice->eeprom.subvendor == VT1724_SUBDEVICE_AUREON71_UNIVERSE) {
		uinfo->value.enumerated.items = 8;
		if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
			uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
		strcpy(uinfo->value.enumerated.name, universe_texts[uinfo->value.enumerated.item]);
	}
	else {
		uinfo->value.enumerated.items = 5;
		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 wm_adc_mux_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
	unsigned short val;

	mutex_lock(&ice->gpio_mutex);
	val = wm_get(ice, WM_ADC_MUX);
	ucontrol->value.enumerated.item[0] = val & 7;
	ucontrol->value.enumerated.item[1] = (val >> 4) & 7;
	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);
	unsigned short oval, nval;
	int change;

	snd_ice1712_save_gpio_status(ice);
	oval = wm_get(ice, WM_ADC_MUX);
	nval = oval & ~0x77;
	nval |= ucontrol->value.enumerated.item[0] & 7;
	nval |= (ucontrol->value.enumerated.item[1] & 7) << 4;
	change = (oval != nval);
	if (change)
		wm_put(ice, WM_ADC_MUX, nval);
	snd_ice1712_restore_gpio_status(ice);
	return change;
}

/*
 * CS8415 Input mux
 */
static int aureon_cs8415_mux_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
	static const char * const aureon_texts[] = {
		"CD",		//RXP0
		"Optical"	//RXP1
	};
	static const char * const prodigy_texts[] = {
		"CD",
		"Coax"
	};
	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;
	if (ice->eeprom.subvendor == VT1724_SUBDEVICE_PRODIGY71)
		strcpy(uinfo->value.enumerated.name, prodigy_texts[uinfo->value.enumerated.item]);
	else
		strcpy(uinfo->value.enumerated.name, aureon_texts[uinfo->value.enumerated.item]);
	return 0;
}

static int aureon_cs8415_mux_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);

	//snd_ice1712_save_gpio_status(ice);
	//val = aureon_cs8415_get(ice, CS8415_CTRL2);
	ucontrol->value.enumerated.item[0] = ice->spec.aureon.cs8415_mux;
	//snd_ice1712_restore_gpio_status(ice);
	return 0;
}

static int aureon_cs8415_mux_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
	unsigned short oval, nval;
	int change;

	snd_ice1712_save_gpio_status(ice);
	oval = aureon_cs8415_get(ice, CS8415_CTRL2);
	nval = oval & ~0x07;
	nval |= ucontrol->value.enumerated.item[0] & 7;
	change = (oval != nval);
	if (change)
		aureon_cs8415_put(ice, CS8415_CTRL2, nval);
	snd_ice1712_restore_gpio_status(ice);
	ice->spec.aureon.cs8415_mux = ucontrol->value.enumerated.item[0];
	return change;
}

static int aureon_cs8415_rate_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;
	uinfo->value.integer.max = 192000;
	return 0;
}

static int aureon_cs8415_rate_get (struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
	unsigned char ratio;
	ratio = aureon_cs8415_get(ice, CS8415_RATIO);
	ucontrol->value.integer.value[0] = (int)((unsigned int)ratio * 750);
	return 0;
}

/*
 * CS8415A Mute
 */
#define aureon_cs8415_mute_info		snd_ctl_boolean_mono_info

static int aureon_cs8415_mute_get (struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
	snd_ice1712_save_gpio_status(ice);
	ucontrol->value.integer.value[0] = (aureon_cs8415_get(ice, CS8415_CTRL1) & 0x20) ? 0 : 1;
	snd_ice1712_restore_gpio_status(ice);
	return 0;
}

static int aureon_cs8415_mute_put (struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
	unsigned char oval, nval;
	int change;
	snd_ice1712_save_gpio_status(ice);
	oval = aureon_cs8415_get(ice, CS8415_CTRL1);
	if (ucontrol->value.integer.value[0])
		nval = oval & ~0x20;
	else
		nval = oval | 0x20;
	if ((change = (oval != nval)))
		aureon_cs8415_put(ice, CS8415_CTRL1, nval);
	snd_ice1712_restore_gpio_status(ice);
	return change;
}

/*
 * CS8415A Q-Sub info
 */
static int aureon_cs8415_qsub_info (struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) {
	uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
	uinfo->count = 10;
	return 0;
}

static int aureon_cs8415_qsub_get (struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) {
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
	
	snd_ice1712_save_gpio_status(ice);
	aureon_cs8415_read(ice, CS8415_QSUB, ucontrol->value.bytes.data, 10);
	snd_ice1712_restore_gpio_status(ice);

	return 0;
}

static int aureon_cs8415_spdif_info (struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) {
	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
	uinfo->count = 1;
	return 0;
}

static int aureon_cs8415_mask_get (struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) {
	memset(ucontrol->value.iec958.status, 0xFF, 24);
	return 0;
}

static int aureon_cs8415_spdif_get (struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) {
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);

	snd_ice1712_save_gpio_status(ice);
	aureon_cs8415_read(ice, CS8415_C_BUFFER, ucontrol->value.iec958.status, 24);
	snd_ice1712_restore_gpio_status(ice);
	return 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)
		if (ice->eeprom.subvendor != VT1724_SUBDEVICE_PRODIGY71LT &&
		    ice->eeprom.subvendor != VT1724_SUBDEVICE_PRODIGY71XT)
			tmp |= AUREON_HP_SEL;
		else
			tmp |= PRODIGY_HP_SEL;
	else
		if (ice->eeprom.subvendor != VT1724_SUBDEVICE_PRODIGY71LT &&
		    ice->eeprom.subvendor != VT1724_SUBDEVICE_PRODIGY71XT)
			tmp &= ~ AUREON_HP_SEL;
		else
			tmp &= ~ PRODIGY_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;
}

#define aureon_hpamp_info	snd_ctl_boolean_mono_info

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
 */

#define aureon_deemp_info	snd_ctl_boolean_mono_info

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