Linux Kernel iMX6
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/*
* Mixer controls for the Xonar DG/DGX
*
* Copyright (c) Clemens Ladisch <clemens@ladisch.de>
* Copyright (c) Roman Volkov <v1ron@mail.ru>
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include <linux/pci.h>
#include <linux/delay.h>
#include <sound/control.h>
#include <sound/core.h>
#include <sound/info.h>
#include <sound/pcm.h>
#include <sound/tlv.h>
#include "oxygen.h"
#include "xonar_dg.h"
#include "cs4245.h"
static int output_switch_info(struct snd_kcontrol *ctl,
struct snd_ctl_elem_info *info)
{
static const char *const names[3] = {
"Speakers", "Headphones", "FP Headphones"
};
return snd_ctl_enum_info(info, 1, 3, names);
}
static int output_switch_get(struct snd_kcontrol *ctl,
struct snd_ctl_elem_value *value)
{
struct oxygen *chip = ctl->private_data;
struct dg *data = chip->model_data;
mutex_lock(&chip->mutex);
value->value.enumerated.item[0] = data->output_sel;
mutex_unlock(&chip->mutex);
return 0;
}
static int output_switch_put(struct snd_kcontrol *ctl,
struct snd_ctl_elem_value *value)
{
struct oxygen *chip = ctl->private_data;
struct dg *data = chip->model_data;
u8 reg;
int changed;
if (value->value.enumerated.item[0] > 2)
return -EINVAL;
mutex_lock(&chip->mutex);
changed = value->value.enumerated.item[0] != data->output_sel;
if (changed) {
data->output_sel = value->value.enumerated.item[0];
reg = data->cs4245_shadow[CS4245_SIGNAL_SEL] &
~CS4245_A_OUT_SEL_MASK;
reg |= data->output_sel == 2 ?
CS4245_A_OUT_SEL_DAC : CS4245_A_OUT_SEL_HIZ;
cs4245_write_cached(chip, CS4245_SIGNAL_SEL, reg);
cs4245_write_cached(chip, CS4245_DAC_A_CTRL,
data->output_sel ? data->hp_vol_att : 0);
cs4245_write_cached(chip, CS4245_DAC_B_CTRL,
data->output_sel ? data->hp_vol_att : 0);
oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
data->output_sel == 1 ? GPIO_HP_REAR : 0,
GPIO_HP_REAR);
}
mutex_unlock(&chip->mutex);
return changed;
}
static int hp_volume_offset_info(struct snd_kcontrol *ctl,
struct snd_ctl_elem_info *info)
{
static const char *const names[3] = {
"< 64 ohms", "64-150 ohms", "150-300 ohms"
};
return snd_ctl_enum_info(info, 1, 3, names);
}
static int hp_volume_offset_get(struct snd_kcontrol *ctl,
struct snd_ctl_elem_value *value)
{
struct oxygen *chip = ctl->private_data;
struct dg *data = chip->model_data;
mutex_lock(&chip->mutex);
if (data->hp_vol_att > 2 * 7)
value->value.enumerated.item[0] = 0;
else if (data->hp_vol_att > 0)
value->value.enumerated.item[0] = 1;
else
value->value.enumerated.item[0] = 2;
mutex_unlock(&chip->mutex);
return 0;
}
static int hp_volume_offset_put(struct snd_kcontrol *ctl,
struct snd_ctl_elem_value *value)
{
static const s8 atts[3] = { 2 * 16, 2 * 7, 0 };
struct oxygen *chip = ctl->private_data;
struct dg *data = chip->model_data;
s8 att;
int changed;
if (value->value.enumerated.item[0] > 2)
return -EINVAL;
att = atts[value->value.enumerated.item[0]];
mutex_lock(&chip->mutex);
changed = att != data->hp_vol_att;
if (changed) {
data->hp_vol_att = att;
if (data->output_sel) {
cs4245_write_cached(chip, CS4245_DAC_A_CTRL, att);
cs4245_write_cached(chip, CS4245_DAC_B_CTRL, att);
}
}
mutex_unlock(&chip->mutex);
return changed;
}
static int input_vol_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 = 2 * -12;
info->value.integer.max = 2 * 12;
return 0;
}
static int input_vol_get(struct snd_kcontrol *ctl,
struct snd_ctl_elem_value *value)
{
struct oxygen *chip = ctl->private_data;
struct dg *data = chip->model_data;
unsigned int idx = ctl->private_value;
mutex_lock(&chip->mutex);
value->value.integer.value[0] = data->input_vol[idx][0];
value->value.integer.value[1] = data->input_vol[idx][1];
mutex_unlock(&chip->mutex);
return 0;
}
static int input_vol_put(struct snd_kcontrol *ctl,
struct snd_ctl_elem_value *value)
{
struct oxygen *chip = ctl->private_data;
struct dg *data = chip->model_data;
unsigned int idx = ctl->private_value;
int changed = 0;
if (value->value.integer.value[0] < 2 * -12 ||
value->value.integer.value[0] > 2 * 12 ||
value->value.integer.value[1] < 2 * -12 ||
value->value.integer.value[1] > 2 * 12)
return -EINVAL;
mutex_lock(&chip->mutex);
changed = data->input_vol[idx][0] != value->value.integer.value[0] ||
data->input_vol[idx][1] != value->value.integer.value[1];
if (changed) {
data->input_vol[idx][0] = value->value.integer.value[0];
data->input_vol[idx][1] = value->value.integer.value[1];
if (idx == data->input_sel) {
cs4245_write_cached(chip, CS4245_PGA_A_CTRL,
data->input_vol[idx][0]);
cs4245_write_cached(chip, CS4245_PGA_B_CTRL,
data->input_vol[idx][1]);
}
}
mutex_unlock(&chip->mutex);
return changed;
}
static DECLARE_TLV_DB_SCALE(cs4245_pga_db_scale, -1200, 50, 0);
static int input_sel_info(struct snd_kcontrol *ctl,
struct snd_ctl_elem_info *info)
{
static const char *const names[4] = {
"Mic", "Aux", "Front Mic", "Line"
};
return snd_ctl_enum_info(info, 1, 4, names);
}
static int input_sel_get(struct snd_kcontrol *ctl,
struct snd_ctl_elem_value *value)
{
struct oxygen *chip = ctl->private_data;
struct dg *data = chip->model_data;
mutex_lock(&chip->mutex);
value->value.enumerated.item[0] = data->input_sel;
mutex_unlock(&chip->mutex);
return 0;
}
static int input_sel_put(struct snd_kcontrol *ctl,
struct snd_ctl_elem_value *value)
{
static const u8 sel_values[4] = {
CS4245_SEL_MIC,
CS4245_SEL_INPUT_1,
CS4245_SEL_INPUT_2,
CS4245_SEL_INPUT_4
};
struct oxygen *chip = ctl->private_data;
struct dg *data = chip->model_data;
int changed;
if (value->value.enumerated.item[0] > 3)
return -EINVAL;
mutex_lock(&chip->mutex);
changed = value->value.enumerated.item[0] != data->input_sel;
if (changed) {
data->input_sel = value->value.enumerated.item[0];
cs4245_write(chip, CS4245_ANALOG_IN,
(data->cs4245_shadow[CS4245_ANALOG_IN] &
~CS4245_SEL_MASK) |
sel_values[data->input_sel]);
cs4245_write_cached(chip, CS4245_PGA_A_CTRL,
data->input_vol[data->input_sel][0]);
cs4245_write_cached(chip, CS4245_PGA_B_CTRL,
data->input_vol[data->input_sel][1]);
oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
data->input_sel ? 0 : GPIO_INPUT_ROUTE,
GPIO_INPUT_ROUTE);
}
mutex_unlock(&chip->mutex);
return changed;
}
static int hpf_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
{
static const char *const names[2] = { "Active", "Frozen" };
return snd_ctl_enum_info(info, 1, 2, names);
}
static int hpf_get(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
{
struct oxygen *chip = ctl->private_data;
struct dg *data = chip->model_data;
value->value.enumerated.item[0] =
!!(data->cs4245_shadow[CS4245_ADC_CTRL] & CS4245_HPF_FREEZE);
return 0;
}
static int hpf_put(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
{
struct oxygen *chip = ctl->private_data;
struct dg *data = chip->model_data;
u8 reg;
int changed;
mutex_lock(&chip->mutex);
reg = data->cs4245_shadow[CS4245_ADC_CTRL] & ~CS4245_HPF_FREEZE;
if (value->value.enumerated.item[0])
reg |= CS4245_HPF_FREEZE;
changed = reg != data->cs4245_shadow[CS4245_ADC_CTRL];
if (changed)
cs4245_write(chip, CS4245_ADC_CTRL, reg);
mutex_unlock(&chip->mutex);
return changed;
}
#define INPUT_VOLUME(xname, index) { \
.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
.name = xname, \
.info = input_vol_info, \
.get = input_vol_get, \
.put = input_vol_put, \
.tlv = { .p = cs4245_pga_db_scale }, \
.private_value = index, \
}
static const struct snd_kcontrol_new dg_controls[] = {
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Analog Output Playback Enum",
.info = output_switch_info,
.get = output_switch_get,
.put = output_switch_put,
},
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Headphones Impedance Playback Enum",
.info = hp_volume_offset_info,
.get = hp_volume_offset_get,
.put = hp_volume_offset_put,
},
INPUT_VOLUME("Mic Capture Volume", 0),
INPUT_VOLUME("Aux Capture Volume", 1),
INPUT_VOLUME("Front Mic Capture Volume", 2),
INPUT_VOLUME("Line Capture Volume", 3),
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Capture Source",
.info = input_sel_info,
.get = input_sel_get,
.put = input_sel_put,
},
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "ADC High-pass Filter Capture Enum",
.info = hpf_info,
.get = hpf_get,
.put = hpf_put,
},
};
static int dg_control_filter(struct snd_kcontrol_new *template)
{
if (!strncmp(template->name, "Master Playback ", 16))
return 1;
return 0;
}
static int dg_mixer_init(struct oxygen *chip)
{
unsigned int i;
int err;
for (i = 0; i < ARRAY_SIZE(dg_controls); ++i) {
err = snd_ctl_add(chip->card,
snd_ctl_new1(&dg_controls[i], chip));
if (err < 0)
return err;
}
return 0;
}
struct oxygen_model model_xonar_dg = {
.longname = "C-Media Oxygen HD Audio",
.chip = "CMI8786",
.init = dg_init,
.control_filter = dg_control_filter,
.mixer_init = dg_mixer_init,
.cleanup = dg_cleanup,
.suspend = dg_suspend,
.resume = dg_resume,
.set_dac_params = set_cs4245_dac_params,
.set_adc_params = set_cs4245_adc_params,
.adjust_dac_routing = adjust_dg_dac_routing,
.dump_registers = dump_cs4245_registers,
.model_data_size = sizeof(struct dg),
.device_config = PLAYBACK_0_TO_I2S |
PLAYBACK_1_TO_SPDIF |
CAPTURE_0_FROM_I2S_1 |
CAPTURE_1_FROM_SPDIF,
.dac_channels_pcm = 6,
.dac_channels_mixer = 0,
.function_flags = OXYGEN_FUNCTION_SPI,
.dac_mclks = OXYGEN_MCLKS(256, 128, 128),
.adc_mclks = OXYGEN_MCLKS(256, 128, 128),
.dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
};