Release 4.7 sound/pci/oxygen/oxygen_mixer.c

Directory: sound/pci/oxygen
/*
 * C-Media CMI8788 driver - mixer code
 *
 * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
 *
 *
 *  This driver is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License, version 2.
 *
 *  This driver 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 driver; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 */

#include <linux/mutex.h>
#include <sound/ac97_codec.h>
#include <sound/asoundef.h>
#include <sound/control.h>
#include <sound/tlv.h>
#include "oxygen.h"
#include "cm9780.h"



static int dac_volume_info(struct snd_kcontrol *ctl,
			   struct snd_ctl_elem_info *info)
{
	struct oxygen *chip = ctl->private_data;

	info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
	info->count = chip->model.dac_channels_mixer;
	info->value.integer.min = chip->model.dac_volume_min;
	info->value.integer.max = chip->model.dac_volume_max;
	return 0;
}

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static int dac_volume_get(struct snd_kcontrol *ctl,
			  struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;
	unsigned int i;

	mutex_lock(&chip->mutex);
	for (i = 0; i < chip->model.dac_channels_mixer; ++i)
		value->value.integer.value[i] = chip->dac_volume[i];
	mutex_unlock(&chip->mutex);
	return 0;
}

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static int dac_volume_put(struct snd_kcontrol *ctl,
			  struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;
	unsigned int i;
	int changed;

	changed = 0;
	mutex_lock(&chip->mutex);
	for (i = 0; i < chip->model.dac_channels_mixer; ++i)
		if (value->value.integer.value[i] != chip->dac_volume[i]) {
			chip->dac_volume[i] = value->value.integer.value[i];
			changed = 1;
		}
	if (changed)
		chip->model.update_dac_volume(chip);
	mutex_unlock(&chip->mutex);
	return changed;
}

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static int dac_mute_get(struct snd_kcontrol *ctl,
			struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;

	mutex_lock(&chip->mutex);
	value->value.integer.value[0] = !chip->dac_mute;
	mutex_unlock(&chip->mutex);
	return 0;
}

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static int dac_mute_put(struct snd_kcontrol *ctl,
			  struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;
	int changed;

	mutex_lock(&chip->mutex);
	changed = (!value->value.integer.value[0]) != chip->dac_mute;
	if (changed) {
		chip->dac_mute = !value->value.integer.value[0];
		chip->model.update_dac_mute(chip);
	}
	mutex_unlock(&chip->mutex);
	return changed;
}

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static unsigned int upmix_item_count(struct oxygen *chip)
{
	if (chip->model.dac_channels_pcm < 8)
		return 2;
	else if (chip->model.update_center_lfe_mix)
		return 5;
	else
		return 3;
}

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static int upmix_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
{
	static const char *const names[5] = {
		"Front",
		"Front+Surround",
		"Front+Surround+Back",
		"Front+Surround+Center/LFE",
		"Front+Surround+Center/LFE+Back",
        };
	struct oxygen *chip = ctl->private_data;
	unsigned int count = upmix_item_count(chip);

	return snd_ctl_enum_info(info, 1, count, names);
}

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static int upmix_get(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;

	mutex_lock(&chip->mutex);
	value->value.enumerated.item[0] = chip->dac_routing;
	mutex_unlock(&chip->mutex);
	return 0;
}

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void oxygen_update_dac_routing(struct oxygen *chip)
{
	/* DAC 0: front, DAC 1: surround, DAC 2: center/LFE, DAC 3: back */
	static const unsigned int reg_values[5] = {
		/* stereo -> front */
		(0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
		(1 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
		(2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
		(3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
		/* stereo -> front+surround */
		(0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
		(0 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
		(2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
		(3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
		/* stereo -> front+surround+back */
		(0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
		(0 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
		(2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
		(0 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
		/* stereo -> front+surround+center/LFE */
		(0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
		(0 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
		(0 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
		(3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
		/* stereo -> front+surround+center/LFE+back */
		(0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
		(0 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
		(0 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
		(0 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
        };
	u8 channels;
	unsigned int reg_value;

	channels = oxygen_read8(chip, OXYGEN_PLAY_CHANNELS) &
		OXYGEN_PLAY_CHANNELS_MASK;
	if (channels == OXYGEN_PLAY_CHANNELS_2)
		reg_value = reg_values[chip->dac_routing];
	else if (channels == OXYGEN_PLAY_CHANNELS_8)
		/* in 7.1 mode, "rear" channels go to the "back" jack */
		reg_value = (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
			    (3 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
			    (2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
			    (1 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT);
	else
		reg_value = (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
			    (1 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
			    (2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
			    (3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT);
	if (chip->model.adjust_dac_routing)
		reg_value = chip->model.adjust_dac_routing(chip, reg_value);
	oxygen_write16_masked(chip, OXYGEN_PLAY_ROUTING, reg_value,
			      OXYGEN_PLAY_DAC0_SOURCE_MASK |
			      OXYGEN_PLAY_DAC1_SOURCE_MASK |
			      OXYGEN_PLAY_DAC2_SOURCE_MASK |
			      OXYGEN_PLAY_DAC3_SOURCE_MASK);
	if (chip->model.update_center_lfe_mix)
		chip->model.update_center_lfe_mix(chip, chip->dac_routing > 2);
}
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EXPORT_SYMBOL(oxygen_update_dac_routing);



static int upmix_put(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;
	unsigned int count = upmix_item_count(chip);
	int changed;

	if (value->value.enumerated.item[0] >= count)
		return -EINVAL;
	mutex_lock(&chip->mutex);
	changed = value->value.enumerated.item[0] != chip->dac_routing;
	if (changed) {
		chip->dac_routing = value->value.enumerated.item[0];
		oxygen_update_dac_routing(chip);
	}
	mutex_unlock(&chip->mutex);
	return changed;
}

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static int spdif_switch_get(struct snd_kcontrol *ctl,
			    struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;

	mutex_lock(&chip->mutex);
	value->value.integer.value[0] = chip->spdif_playback_enable;
	mutex_unlock(&chip->mutex);
	return 0;
}

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static unsigned int oxygen_spdif_rate(unsigned int oxygen_rate)
{
	switch (oxygen_rate) {
	case OXYGEN_RATE_32000:
		return IEC958_AES3_CON_FS_32000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
	case OXYGEN_RATE_44100:
		return IEC958_AES3_CON_FS_44100 << OXYGEN_SPDIF_CS_RATE_SHIFT;
	default: /* OXYGEN_RATE_48000 */
		return IEC958_AES3_CON_FS_48000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
	case OXYGEN_RATE_64000:
		return 0xb << OXYGEN_SPDIF_CS_RATE_SHIFT;
	case OXYGEN_RATE_88200:
		return IEC958_AES3_CON_FS_88200 << OXYGEN_SPDIF_CS_RATE_SHIFT;
	case OXYGEN_RATE_96000:
		return IEC958_AES3_CON_FS_96000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
	case OXYGEN_RATE_176400:
		return IEC958_AES3_CON_FS_176400 << OXYGEN_SPDIF_CS_RATE_SHIFT;
	case OXYGEN_RATE_192000:
		return IEC958_AES3_CON_FS_192000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
	}
}

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void oxygen_update_spdif_source(struct oxygen *chip)
{
	u32 old_control, new_control;
	u16 old_routing, new_routing;
	unsigned int oxygen_rate;

	old_control = oxygen_read32(chip, OXYGEN_SPDIF_CONTROL);
	old_routing = oxygen_read16(chip, OXYGEN_PLAY_ROUTING);
	if (chip->pcm_active & (1 << PCM_SPDIF)) {
		new_control = old_control | OXYGEN_SPDIF_OUT_ENABLE;
		new_routing = (old_routing & ~OXYGEN_PLAY_SPDIF_MASK)
			| OXYGEN_PLAY_SPDIF_SPDIF;
		oxygen_rate = (old_control >> OXYGEN_SPDIF_OUT_RATE_SHIFT)
			& OXYGEN_I2S_RATE_MASK;
		/* S/PDIF rate was already set by the caller */
	} else if ((chip->pcm_active & (1 << PCM_MULTICH)) &&
		   chip->spdif_playback_enable) {
		new_routing = (old_routing & ~OXYGEN_PLAY_SPDIF_MASK)
			| OXYGEN_PLAY_SPDIF_MULTICH_01;
		oxygen_rate = oxygen_read16(chip, OXYGEN_I2S_MULTICH_FORMAT)
			& OXYGEN_I2S_RATE_MASK;
		new_control = (old_control & ~OXYGEN_SPDIF_OUT_RATE_MASK) |
			(oxygen_rate << OXYGEN_SPDIF_OUT_RATE_SHIFT) |
			OXYGEN_SPDIF_OUT_ENABLE;
	} else {
		new_control = old_control & ~OXYGEN_SPDIF_OUT_ENABLE;
		new_routing = old_routing;
		oxygen_rate = OXYGEN_RATE_44100;
	}
	if (old_routing != new_routing) {
		oxygen_write32(chip, OXYGEN_SPDIF_CONTROL,
			       new_control & ~OXYGEN_SPDIF_OUT_ENABLE);
		oxygen_write16(chip, OXYGEN_PLAY_ROUTING, new_routing);
	}
	if (new_control & OXYGEN_SPDIF_OUT_ENABLE)
		oxygen_write32(chip, OXYGEN_SPDIF_OUTPUT_BITS,
			       oxygen_spdif_rate(oxygen_rate) |
			       ((chip->pcm_active & (1 << PCM_SPDIF)) ?
				chip->spdif_pcm_bits : chip->spdif_bits));
	oxygen_write32(chip, OXYGEN_SPDIF_CONTROL, new_control);
}

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static int spdif_switch_put(struct snd_kcontrol *ctl,
			    struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;
	int changed;

	mutex_lock(&chip->mutex);
	changed = value->value.integer.value[0] != chip->spdif_playback_enable;
	if (changed) {
		chip->spdif_playback_enable = !!value->value.integer.value[0];
		spin_lock_irq(&chip->reg_lock);
		oxygen_update_spdif_source(chip);
		spin_unlock_irq(&chip->reg_lock);
	}
	mutex_unlock(&chip->mutex);
	return changed;
}

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static int spdif_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
{
	info->type = SNDRV_CTL_ELEM_TYPE_IEC958;
	info->count = 1;
	return 0;
}

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static void oxygen_to_iec958(u32 bits, struct snd_ctl_elem_value *value)
{
	value->value.iec958.status[0] =
		bits & (OXYGEN_SPDIF_NONAUDIO | OXYGEN_SPDIF_C |
			OXYGEN_SPDIF_PREEMPHASIS);
	value->value.iec958.status[1] = /* category and original */
		bits >> OXYGEN_SPDIF_CATEGORY_SHIFT;
}

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static u32 iec958_to_oxygen(struct snd_ctl_elem_value *value)
{
	u32 bits;

	bits = value->value.iec958.status[0] &
		(OXYGEN_SPDIF_NONAUDIO | OXYGEN_SPDIF_C |
		 OXYGEN_SPDIF_PREEMPHASIS);
	bits |= value->value.iec958.status[1] << OXYGEN_SPDIF_CATEGORY_SHIFT;
	if (bits & OXYGEN_SPDIF_NONAUDIO)
		bits |= OXYGEN_SPDIF_V;
	return bits;
}

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static inline void write_spdif_bits(struct oxygen *chip, u32 bits)
{
	oxygen_write32_masked(chip, OXYGEN_SPDIF_OUTPUT_BITS, bits,
			      OXYGEN_SPDIF_NONAUDIO |
			      OXYGEN_SPDIF_C |
			      OXYGEN_SPDIF_PREEMPHASIS |
			      OXYGEN_SPDIF_CATEGORY_MASK |
			      OXYGEN_SPDIF_ORIGINAL |
			      OXYGEN_SPDIF_V);
}

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static int spdif_default_get(struct snd_kcontrol *ctl,
			     struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;

	mutex_lock(&chip->mutex);
	oxygen_to_iec958(chip->spdif_bits, value);
	mutex_unlock(&chip->mutex);
	return 0;
}

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static int spdif_default_put(struct snd_kcontrol *ctl,
			     struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;
	u32 new_bits;
	int changed;

	new_bits = iec958_to_oxygen(value);
	mutex_lock(&chip->mutex);
	changed = new_bits != chip->spdif_bits;
	if (changed) {
		chip->spdif_bits = new_bits;
		if (!(chip->pcm_active & (1 << PCM_SPDIF)))
			write_spdif_bits(chip, new_bits);
	}
	mutex_unlock(&chip->mutex);
	return changed;
}

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static int spdif_mask_get(struct snd_kcontrol *ctl,
			  struct snd_ctl_elem_value *value)
{
	value->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
		IEC958_AES0_CON_NOT_COPYRIGHT | IEC958_AES0_CON_EMPHASIS;
	value->value.iec958.status[1] =
		IEC958_AES1_CON_CATEGORY | IEC958_AES1_CON_ORIGINAL;
	return 0;
}

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static int spdif_pcm_get(struct snd_kcontrol *ctl,
			 struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;

	mutex_lock(&chip->mutex);
	oxygen_to_iec958(chip->spdif_pcm_bits, value);
	mutex_unlock(&chip->mutex);
	return 0;
}

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static int spdif_pcm_put(struct snd_kcontrol *ctl,
			 struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;
	u32 new_bits;
	int changed;

	new_bits = iec958_to_oxygen(value);
	mutex_lock(&chip->mutex);
	changed = new_bits != chip->spdif_pcm_bits;
	if (changed) {
		chip->spdif_pcm_bits = new_bits;
		if (chip->pcm_active & (1 << PCM_SPDIF))
			write_spdif_bits(chip, new_bits);
	}
	mutex_unlock(&chip->mutex);
	return changed;
}

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static int spdif_input_mask_get(struct snd_kcontrol *ctl,
				struct snd_ctl_elem_value *value)
{
	value->value.iec958.status[0] = 0xff;
	value->value.iec958.status[1] = 0xff;
	value->value.iec958.status[2] = 0xff;
	value->value.iec958.status[3] = 0xff;
	return 0;
}

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static int spdif_input_default_get(struct snd_kcontrol *ctl,
				   struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;
	u32 bits;

	bits = oxygen_read32(chip, OXYGEN_SPDIF_INPUT_BITS);
	value->value.iec958.status[0] = bits;
	value->value.iec958.status[1] = bits >> 8;
	value->value.iec958.status[2] = bits >> 16;
	value->value.iec958.status[3] = bits >> 24;
	return 0;
}

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static int spdif_bit_switch_get(struct snd_kcontrol *ctl,
				struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;
	u32 bit = ctl->private_value;

	value->value.integer.value[0] =
		!!(oxygen_read32(chip, OXYGEN_SPDIF_CONTROL) & bit);
	return 0;
}

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static int spdif_bit_switch_put(struct snd_kcontrol *ctl,
				struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;
	u32 bit = ctl->private_value;
	u32 oldreg, newreg;
	int changed;

	spin_lock_irq(&chip->reg_lock);
	oldreg = oxygen_read32(chip, OXYGEN_SPDIF_CONTROL);
	if (value->value.integer.value[0])
		newreg = oldreg | bit;
	else
		newreg = oldreg & ~bit;
	changed = newreg != oldreg;
	if (changed)
		oxygen_write32(chip, OXYGEN_SPDIF_CONTROL, newreg);
	spin_unlock_irq(&chip->reg_lock);
	return changed;
}

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static int monitor_volume_info(struct snd_kcontrol *ctl,
			       struct snd_ctl_elem_info *info)
{
	info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
	info->count = 1;
	info->value.integer.min = 0;
	info->value.integer.max = 1;
	return 0;
}

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static int monitor_get(struct snd_kcontrol *ctl,
		       struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;
	u8 bit = ctl->private_value;
	int invert = ctl->private_value & (1 << 8);

	value->value.integer.value[0] =
		!!invert ^ !!(oxygen_read8(chip, OXYGEN_ADC_MONITOR) & bit);
	return 0;
}

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static int monitor_put(struct snd_kcontrol *ctl,
		       struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;
	u8 bit = ctl->private_value;
	int invert = ctl->private_value & (1 << 8);
	u8 oldreg, newreg;
	int changed;

	spin_lock_irq(&chip->reg_lock);
	oldreg = oxygen_read8(chip, OXYGEN_ADC_MONITOR);
	if ((!!value->value.integer.value[0] ^ !!invert) != 0)
		newreg = oldreg | bit;
	else
		newreg = oldreg & ~bit;
	changed = newreg != oldreg;
	if (changed)
		oxygen_write8(chip, OXYGEN_ADC_MONITOR, newreg);
	spin_unlock_irq(&chip->reg_lock);
	return changed;
}

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static int ac97_switch_get(struct snd_kcontrol *ctl,
			   struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;
	unsigned int codec = (ctl->private_value >> 24) & 1;
	unsigned int index = ctl->private_value & 0xff;
	unsigned int bitnr = (ctl->private_value >> 8) & 0xff;
	int invert = ctl->private_value & (1 << 16);
	u16 reg;

	mutex_lock(&chip->mutex);
	reg = oxygen_read_ac97(chip, codec, index);
	mutex_unlock(&chip->mutex);
	if (!(reg & (1 << bitnr)) ^ !invert)
		value->value.integer.value[0] = 1;
	else
		value->value.integer.value[0] = 0;
	return 0;
}

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static void mute_ac97_ctl(struct oxygen *chip, unsigned int control)
{
	unsigned int priv_idx;
	u16 value;

	if (!chip->controls[control])
		return;
	priv_idx = chip->controls[control]->private_value & 0xff;
	value = oxygen_read_ac97(chip, 0, priv_idx);
	if (!(value & 0x8000)) {
		oxygen_write_ac97(chip, 0, priv_idx, value | 0x8000);
		if (chip->model.ac97_switch)
			chip->model.ac97_switch(chip, priv_idx, 0x8000);
		snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
			       &chip->controls[control]->id);
	}
}

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static int ac97_switch_put(struct snd_kcontrol *ctl,
			   struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;
	unsigned int codec = (ctl->private_value >> 24) & 1;
	unsigned int index = ctl->private_value & 0xff;
	unsigned int bitnr = (ctl->private_value >> 8) & 0xff;
	int invert = ctl->private_value & (1 << 16);
	u16 oldreg, newreg;
	int change;

	mutex_lock(&chip->mutex);
	oldreg = oxygen_read_ac97(chip, codec, index);
	newreg = oldreg;
	if (!value->value.integer.value[0] ^ !invert)
		newreg |= 1 << bitnr;
	else
		newreg &= ~(1 << bitnr);
	change = newreg != oldreg;
	if (change) {
		oxygen_write_ac97(chip, codec, index, newreg);
		if (codec == 0 && chip->model.ac97_switch)
			chip->model.ac97_switch(chip, index, newreg & 0x8000);
		if (index == AC97_LINE) {
			oxygen_write_ac97_masked(chip, 0, CM9780_GPIO_STATUS,
						 newreg & 0x8000 ?
						 CM9780_GPO0 : 0, CM9780_GPO0);
			if (!(newreg & 0x8000)) {
				mute_ac97_ctl(chip, CONTROL_MIC_CAPTURE_SWITCH);
				mute_ac97_ctl(chip, CONTROL_CD_CAPTURE_SWITCH);
				mute_ac97_ctl(chip, CONTROL_AUX_CAPTURE_SWITCH);
			}
		} else if ((index == AC97_MIC || index == AC97_CD ||
			    index == AC97_VIDEO || index == AC97_AUX) &&
			   bitnr == 15 && !(newreg & 0x8000)) {
			mute_ac97_ctl(chip, CONTROL_LINE_CAPTURE_SWITCH);
			oxygen_write_ac97_masked(chip, 0, CM9780_GPIO_STATUS,
						 CM9780_GPO0, CM9780_GPO0);
		}
	}
	mutex_unlock(&chip->mutex);
	return change;
}

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static int ac97_volume_info(struct snd_kcontrol *ctl,
			    struct snd_ctl_elem_info *info)
{
	int stereo = (ctl->private_value >> 16) & 1;

	info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
	info->count = stereo ? 2 : 1;
	info->value.integer.min = 0;
	info->value.integer.max = 0x1f;
	return 0;
}

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static int ac97_volume_get(struct snd_kcontrol *ctl,
			   struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;
	unsigned int codec = (ctl->private_value >> 24) & 1;
	int stereo = (ctl->private_value >> 16) & 1;
	unsigned int index = ctl->private_value & 0xff;
	u16 reg;

	mutex_lock(&chip->mutex);
	reg = oxygen_read_ac97(chip, codec, index);
	mutex_unlock(&chip->mutex);
	if (!stereo) {
		value->value.integer.value[0] = 31 - (reg & 0x1f);
	} else {
		value->value.integer.value[0] = 31 - ((reg >> 8) & 0x1f);
		value->value.integer.value[1] = 31 - (reg & 0x1f);
	}
	return 0;
}

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static int ac97_volume_put(struct snd_kcontrol *ctl,
			   struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;
	unsigned int codec = (ctl->private_value >> 24) & 1;
	int stereo = (ctl->private_value >> 16) & 1;
	unsigned int index = ctl->private_value & 0xff;
	u16 oldreg, newreg;
	int change;

	mutex_lock(&chip->mutex);
	oldreg = oxygen_read_ac97(chip, codec, index);
	if (!stereo) {
		newreg = oldreg & ~0x1f;
		newreg |= 31 - (value->value.integer.value[0] & 0x1f);
	} else {
		newreg = oldreg & ~0x1f1f;
		newreg |= (31 - (value->value.integer.value[0] & 0x1f)) << 8;
		newreg |= 31 - (value->value.integer.value[1] & 0x1f);
	}
	change = newreg != oldreg;
	if (change)
		oxygen_write_ac97(chip, codec, index, newreg);
	mutex_unlock(&chip->mutex);
	return change;
}

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static int mic_fmic_source_info(struct snd_kcontrol *ctl,
			   struct snd_ctl_elem_info *info)
{
	static const char *const names[] = { "Mic Jack", "Front Panel" };

	return snd_ctl_enum_info(info, 1, 2, names);
}

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static int mic_fmic_source_get(struct snd_kcontrol *ctl,
			       struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;

	mutex_lock(&chip->mutex);
	value->value.enumerated.item[0] =
		!!(oxygen_read_ac97(chip, 0, CM9780_JACK) & CM9780_FMIC2MIC);
	mutex_unlock(&chip->mutex);
	return 0;
}

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static int mic_fmic_source_put(struct snd_kcontrol *ctl,
			       struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;
	u16 oldreg, newreg;
	int change;

	mutex_lock(&chip->mutex);
	oldreg = oxygen_read_ac97(chip, 0, CM9780_JACK);
	if (value->value.enumerated.item[0])
		newreg = oldreg | CM9780_FMIC2MIC;
	else
		newreg = oldreg & ~CM9780_FMIC2MIC;
	change = newreg != oldreg;
	if (change)
		oxygen_write_ac97(chip, 0, CM9780_JACK, newreg);
	mutex_unlock(&chip->mutex);
	return change;
}

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static int ac97_fp_rec_volume_info(struct snd_kcontrol *ctl,
				   struct snd_ctl_elem_info *info)
{
	info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
	info->count = 2;
	info->value.integer.min = 0;
	info->value.integer.max = 7;
	return 0;
}

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static int ac97_fp_rec_volume_get(struct snd_kcontrol *ctl,
				  struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;
	u16 reg;

	mutex_lock(&chip->mutex);
	reg = oxygen_read_ac97(chip, 1, AC97_REC_GAIN);
	mutex_unlock(&chip->mutex);
	value->value.integer.value[0] = reg & 7;
	value->value.integer.value[1] = (reg >> 8) & 7;
	return 0;
}

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static int ac97_fp_rec_volume_put(struct snd_kcontrol *ctl,
				  struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;
	u16 oldreg, newreg;
	int change;

	mutex_lock(&chip->mutex);
	oldreg = oxygen_read_ac97(chip, 1, AC97_REC_GAIN);
	newreg = oldreg & ~0x0707;
	newreg = newreg | (value->value.integer.value[0] & 7);
	newreg = newreg | ((value->value.integer.value[0] & 7) << 8);
	change = newreg != oldreg;
	if (change)
		oxygen_write_ac97(chip, 1, AC97_REC_GAIN, newreg);
	mutex_unlock(&chip->mutex);
	return change;
}

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#define AC97_SWITCH(xname, codec, index, bitnr, invert) { \
                .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
                .name = xname, \
                .info = snd_ctl_boolean_mono_info, \
                .get = ac97_switch_get, \
                .put = ac97_switch_put, \
                .private_value = ((codec) << 24) | ((invert) << 16) | \
                                 ((bitnr) << 8) | (index), \
        }

#define AC97_VOLUME(xname, codec, index, stereo) { \
                .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
                .name = xname, \
                .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
                          SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
                .info = ac97_volume_info, \
                .get = ac97_volume_get, \
                .put = ac97_volume_put, \
                .tlv = { .p = ac97_db_scale, }, \
                .private_value = ((codec) << 24) | ((stereo) << 16) | (index), \
        }

static DECLARE_TLV_DB_SCALE(monitor_db_scale, -600, 600, 0);
static DECLARE_TLV_DB_SCALE(ac97_db_scale, -3450, 150, 0);
static DECLARE_TLV_DB_SCALE(ac97_rec_db_scale, 0, 150, 0);


static const struct snd_kcontrol_new controls[] = {
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "Master Playback Volume",
		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
		.info = dac_volume_info,
		.get = dac_volume_get,
		.put = dac_volume_put,
        },
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "Master Playback Switch",
		.info = snd_ctl_boolean_mono_info,
		.get = dac_mute_get,
		.put = dac_mute_put,
        },
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "Stereo Upmixing",
		.info = upmix_info,
		.get = upmix_get,
		.put = upmix_put,
        },
};


static const struct snd_kcontrol_new spdif_output_controls[] = {
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
		.info = snd_ctl_boolean_mono_info,
		.get = spdif_switch_get,
		.put = spdif_switch_put,
        },
	{
		.iface = SNDRV_CTL_ELEM_IFACE_PCM,
		.device = 1,
		.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
		.info = spdif_info,
		.get = spdif_default_get,
		.put = spdif_default_put,
        },
	{
		.iface = SNDRV_CTL_ELEM_IFACE_PCM,
		.device = 1,
		.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
		.access = SNDRV_CTL_ELEM_ACCESS_READ,
		.info = spdif_info,
		.get = spdif_mask_get,
        },
	{
		.iface = SNDRV_CTL_ELEM_IFACE_PCM,
		.device = 1,
		.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
			  SNDRV_CTL_ELEM_ACCESS_INACTIVE,
		.info = spdif_info,
		.get = spdif_pcm_get,
		.put = spdif_pcm_put,
        },
};


static const struct snd_kcontrol_new spdif_input_controls[] = {
	{
		.iface = SNDRV_CTL_ELEM_IFACE_PCM,
		.device = 1,
		.name = SNDRV_CTL_NAME_IEC958("", CAPTURE, MASK),
		.access = SNDRV_CTL_ELEM_ACCESS_READ,
		.info = spdif_info,
		.get = spdif_input_mask_get,
        },
	{
		.iface = SNDRV_CTL_ELEM_IFACE_PCM,
		.device = 1,
		.name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
		.access = SNDRV_CTL_ELEM_ACCESS_READ,
		.info = spdif_info,
		.get = spdif_input_default_get,
        },
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = SNDRV_CTL_NAME_IEC958("Loopback ", NONE, SWITCH),
		.info = snd_ctl_boolean_mono_info,
		.get = spdif_bit_switch_get,
		.put = spdif_bit_switch_put,
		.private_value = OXYGEN_SPDIF_LOOPBACK,
        },
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = SNDRV_CTL_NAME_IEC958("Validity Check ",CAPTURE,SWITCH),
		.info = snd_ctl_boolean_mono_info,
		.get = spdif_bit_switch_get,
		.put = spdif_bit_switch_put,
		.private_value = OXYGEN_SPDIF_SPDVALID,
        },
};

static const struct {
	
unsigned int pcm_dev;
	
struct snd_kcontrol_new controls[2];
} 
monitor_controls[] = {
	{
		.pcm_dev = CAPTURE_0_FROM_I2S_1,
		.controls = {
			{
				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
				.name = "Analog Input Monitor Playback Switch",
				.info = snd_ctl_boolean_mono_info,
				.get = monitor_get,
				.put = monitor_put,
				.private_value = OXYGEN_ADC_MONITOR_A,
                        },
			{
				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
				.name = "Analog Input Monitor Playback Volume",
				.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
					  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
				.info = monitor_volume_info,
				.get = monitor_get,
				.put = monitor_put,
				.private_value = OXYGEN_ADC_MONITOR_A_HALF_VOL
						| (1 << 8),
				.tlv = { .p = monitor_db_scale, },
                        },
                },
        },
	{
		.pcm_dev = CAPTURE_0_FROM_I2S_2,
		.controls = {
			{
				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
				.name = "Analog Input Monitor Playback Switch",
				.info = snd_ctl_boolean_mono_info,
				.get = monitor_get,
				.put = monitor_put,
				.private_value = OXYGEN_ADC_MONITOR_B,
                        },
			{
				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
				.name = "Analog Input Monitor Playback Volume",
				.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
					  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
				.info = monitor_volume_info,
				.get = monitor_get,
				.put = monitor_put,
				.private_value = OXYGEN_ADC_MONITOR_B_HALF_VOL
						| (1 << 8),
				.tlv = { .p = monitor_db_scale, },
                        },
                },
        },
	{
		.pcm_dev = CAPTURE_2_FROM_I2S_2,
		.controls = {
			{
				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
				.name = "Analog Input Monitor Playback Switch",
				.index = 1,
				.info = snd_ctl_boolean_mono_info,
				.get = monitor_get,
				.put = monitor_put,
				.private_value = OXYGEN_ADC_MONITOR_B,
                        },
			{
				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
				.name = "Analog Input Monitor Playback Volume",
				.index = 1,
				.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
					  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
				.info = monitor_volume_info,
				.get = monitor_get,
				.put = monitor_put,
				.private_value = OXYGEN_ADC_MONITOR_B_HALF_VOL
						| (1 << 8),
				.tlv = { .p = monitor_db_scale, },
                        },
                },
        },
	{
		.pcm_dev = CAPTURE_3_FROM_I2S_3,
		.controls = {
			{
				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
				.name = "Analog Input Monitor Playback Switch",
				.index = 2,
				.info = snd_ctl_boolean_mono_info,
				.get = monitor_get,
				.put = monitor_put,
				.private_value = OXYGEN_ADC_MONITOR_C,
                        },
			{
				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
				.name = "Analog Input Monitor Playback Volume",
				.index = 2,
				.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
					  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
				.info = monitor_volume_info,
				.get = monitor_get,
				.put = monitor_put,
				.private_value = OXYGEN_ADC_MONITOR_C_HALF_VOL
						| (1 << 8),
				.tlv = { .p = monitor_db_scale, },
                        },
                },
        },
	{
		.pcm_dev = CAPTURE_1_FROM_SPDIF,
		.controls = {
			{
				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
				.name = "Digital Input Monitor Playback Switch",
				.info = snd_ctl_boolean_mono_info,
				.get = monitor_get,
				.put = monitor_put,
				.private_value = OXYGEN_ADC_MONITOR_C,
                        },
			{
				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
				.name = "Digital Input Monitor Playback Volume",
				.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
					  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
				.info = monitor_volume_info,
				.get = monitor_get,
				.put = monitor_put,
				.private_value = OXYGEN_ADC_MONITOR_C_HALF_VOL
						| (1 << 8),
				.tlv = { .p = monitor_db_scale, },
                        },
                },
        },
};


static const struct snd_kcontrol_new ac97_controls[] = {
	AC97_VOLUME("Mic Capture Volume", 0, AC97_MIC, 0),
	AC97_SWITCH("Mic Capture Switch", 0, AC97_MIC, 15, 1),
	AC97_SWITCH("Mic Boost (+20dB)", 0, AC97_MIC, 6, 0),
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "Mic Source Capture Enum",
		.info = mic_fmic_source_info,
		.get = mic_fmic_source_get,
		.put = mic_fmic_source_put,
        },
	AC97_SWITCH("Line Capture Switch", 0, AC97_LINE, 15, 1),
	AC97_VOLUME("CD Capture Volume", 0, AC97_CD, 1),
	AC97_SWITCH("CD Capture Switch", 0, AC97_CD, 15, 1),
	AC97_VOLUME("Aux Capture Volume", 0, AC97_AUX, 1),
	AC97_SWITCH("Aux Capture Switch", 0, AC97_AUX, 15, 1),
};


static const struct snd_kcontrol_new ac97_fp_controls[] = {
	AC97_VOLUME("Front Panel Playback Volume", 1, AC97_HEADPHONE, 1),
	AC97_SWITCH("Front Panel Playback Switch", 1, AC97_HEADPHONE, 15, 1),
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "Front Panel Capture Volume",
		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
			  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
		.info = ac97_fp_rec_volume_info,
		.get = ac97_fp_rec_volume_get,
		.put = ac97_fp_rec_volume_put,
		.tlv = { .p = ac97_rec_db_scale, },
        },
	AC97_SWITCH("Front Panel Capture Switch", 1, AC97_REC_GAIN, 15, 1),
};



static void oxygen_any_ctl_free(struct snd_kcontrol *ctl)
{
	struct oxygen *chip = ctl->private_data;
	unsigned int i;

	/* I'm too lazy to write a function for each control :-) */
	for (i = 0; i < ARRAY_SIZE(chip->controls); ++i)
		chip->controls[i] = NULL;
}

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static int add_controls(struct oxygen *chip,
			const struct snd_kcontrol_new controls[],
			unsigned int count)
{
	static const char *const known_ctl_names[CONTROL_COUNT] = {
		[CONTROL_SPDIF_PCM] =
			SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
		[CONTROL_SPDIF_INPUT_BITS] =
			SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
		[CONTROL_MIC_CAPTURE_SWITCH] = "Mic Capture Switch",
		[CONTROL_LINE_CAPTURE_SWITCH] = "Line Capture Switch",
		[CONTROL_CD_CAPTURE_SWITCH] = "CD Capture Switch",
		[CONTROL_AUX_CAPTURE_SWITCH] = "Aux Capture Switch",
        };
	unsigned int i, j;
	struct snd_kcontrol_new template;
	struct snd_kcontrol *ctl;
	int err;

	for (i = 0; i < count; ++i) {
		template = controls[i];
		if (chip->model.control_filter) {
			err = chip->model.control_filter(&template);
			if (err < 0)
				return err;
			if (err == 1)
				continue;
		}
		if (!strcmp(template.name, "Stereo Upmixing") &&
		    chip->model.dac_channels_pcm == 2)
			continue;
		if (!strcmp(template.name, "Mic Source Capture Enum") &&
		    !(chip->model.device_config & AC97_FMIC_SWITCH))
			continue;
		if (!strncmp(template.name, "CD Capture ", 11) &&
		    !(chip->model.device_config & AC97_CD_INPUT))
			continue;
		if (!strcmp(template.name, "Master Playback Volume") &&
		    chip->model.dac_tlv) {
			template.tlv.p = chip->model.dac_tlv;
			template.access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
		}
		ctl = snd_ctl_new1(&template, chip);
		if (!ctl)
			return -ENOMEM;
		err = snd_ctl_add(chip->card, ctl);
		if (err < 0)
			return err;
		for (j = 0; j < CONTROL_COUNT; ++j)
			if (!strcmp(ctl->id.name, known_ctl_names[j])) {
				chip->controls[j] = ctl;
				ctl->private_free = oxygen_any_ctl_free;
			}
	}
	return 0;
}

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Person Tokens Prop Commits CommitProp
clemens ladisch clemens ladisch 359 100.00% 14 100.00%
Total 359 100.00% 14 100.00%



int oxygen_mixer_init(struct oxygen *chip)
{
	unsigned int i;
	int err;

	err = add_controls(chip, controls, ARRAY_SIZE(controls));
	if (err < 0)
		return err;
	if (chip->model.device_config & PLAYBACK_1_TO_SPDIF) {
		err = add_controls(chip, spdif_output_controls,
				   ARRAY_SIZE(spdif_output_controls));
		if (err < 0)
			return err;
	}
	if (chip->model.device_config & CAPTURE_1_FROM_SPDIF) {
		err = add_controls(chip, spdif_input_controls,
				   ARRAY_SIZE(spdif_input_controls));
		if (err < 0)
			return err;
	}
	for (i = 0; i < ARRAY_SIZE(monitor_controls); ++i) {
		if (!(chip->model.device_config & monitor_controls[i].pcm_dev))
			continue;
		err = add_controls(chip, monitor_controls[i].controls,
				   ARRAY_SIZE(monitor_controls[i].controls));
		if (err < 0)
			return err;
	}
	if (chip->has_ac97_0) {
		err = add_controls(chip, ac97_controls,
				   ARRAY_SIZE(ac97_controls));
		if (err < 0)
			return err;
	}
	if (chip->has_ac97_1) {
		err = add_controls(chip, ac97_fp_controls,
				   ARRAY_SIZE(ac97_fp_controls));
		if (err < 0)
			return err;
	}
	return chip->model.mixer_init ? chip->model.mixer_init(chip) : 0;
}
Contributors
Person Tokens Prop Commits CommitProp
clemens ladisch clemens ladisch 260 100.00% 9 100.00%
Total 260 100.00% 9 100.00%

Overall Contributors
Person Tokens Prop Commits CommitProp
clemens ladisch clemens ladisch 6126 99.89% 41 95.35%
roman volkov roman volkov 5 0.08% 1 2.33%
tomer barletz tomer barletz 2 0.03% 1 2.33%
Total 6133 100.00% 43 100.00%
  Directory: sound/pci/oxygen

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
	Person	Tokens	Prop	Commits	CommitProp
clemens ladisch	clemens ladisch	72	100.00%	5	100.00%
	Total	72	100.00%	5	100.00%
cregit-Linux how code gets into the kernel

Release 4.7 sound/pci/oxygen/oxygen_mixer.c

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