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// SPDX-License-Identifier: GPL-2.0
//
// MediaTek ALSA SoC Audio Misc Control
//
// Copyright (c) 2022 MediaTek Inc.
// Author: Jiaxin Yu <jiaxin.yu@mediatek.com>
#include <linux/delay.h>
#include <linux/dma-mapping.h>
#include <linux/io.h>
#include <linux/regmap.h>
#include <sound/soc.h>
#include "../common/mtk-afe-fe-dai.h"
#include "../common/mtk-afe-platform-driver.h"
#include "mt8186-afe-common.h"
static const char * const mt8186_sgen_mode_str[] = {
"I0I1", "I2", "I3I4", "I5I6",
"I7I8", "I9I22", "I10I11", "I12I13",
"I14I21", "I15I16", "I17I18", "I19I20",
"I23I24", "I25I26", "I27I28", "I33",
"I34I35", "I36I37", "I38I39", "I40I41",
"I42I43", "I44I45", "I46I47", "I48I49",
"I56I57", "I58I59", "I60I61", "I62I63",
"O0O1", "O2", "O3O4", "O5O6",
"O7O8", "O9O10", "O11", "O12",
"O13O14", "O15O16", "O17O18", "O19O20",
"O21O22", "O23O24", "O25", "O28O29",
"O34", "O35", "O32O33", "O36O37",
"O38O39", "O30O31", "O40O41", "O42O43",
"O44O45", "O46O47", "O48O49", "O50O51",
"O58O59", "O60O61", "O62O63", "O64O65",
"O66O67", "O68O69", "O26O27", "OFF",
};
static const int mt8186_sgen_mode_idx[] = {
0, 2, 4, 6,
8, 22, 10, 12,
14, -1, 18, 20,
24, 26, 28, 33,
34, 36, 38, 40,
42, 44, 46, 48,
56, 58, 60, 62,
128, 130, 132, 134,
135, 138, 139, 140,
142, 144, 166, 148,
150, 152, 153, 156,
162, 163, 160, 164,
166, -1, 168, 170,
172, 174, 176, 178,
186, 188, 190, 192,
194, 196, -1, -1,
};
static const char * const mt8186_sgen_rate_str[] = {
"8K", "11K", "12K", "16K",
"22K", "24K", "32K", "44K",
"48K", "88k", "96k", "176k",
"192k"
};
static const int mt8186_sgen_rate_idx[] = {
0, 1, 2, 4,
5, 6, 8, 9,
10, 11, 12, 13,
14
};
/* this order must match reg bit amp_div_ch1/2 */
static const char * const mt8186_sgen_amp_str[] = {
"1/128", "1/64", "1/32", "1/16", "1/8", "1/4", "1/2", "1" };
static int mt8186_sgen_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
struct mt8186_afe_private *afe_priv = afe->platform_priv;
ucontrol->value.integer.value[0] = afe_priv->sgen_mode;
return 0;
}
static int mt8186_sgen_set(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
struct mt8186_afe_private *afe_priv = afe->platform_priv;
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
int mode;
int mode_idx;
if (ucontrol->value.enumerated.item[0] >= e->items)
return -EINVAL;
mode = ucontrol->value.integer.value[0];
mode_idx = mt8186_sgen_mode_idx[mode];
dev_dbg(afe->dev, "%s(), mode %d, mode_idx %d\n",
__func__, mode, mode_idx);
if (mode == afe_priv->sgen_mode)
return 0;
if (mode_idx >= 0) {
regmap_update_bits(afe->regmap, AFE_SINEGEN_CON2,
INNER_LOOP_BACK_MODE_MASK_SFT,
mode_idx << INNER_LOOP_BACK_MODE_SFT);
regmap_update_bits(afe->regmap, AFE_SINEGEN_CON0,
DAC_EN_MASK_SFT, BIT(DAC_EN_SFT));
} else {
/* disable sgen */
regmap_update_bits(afe->regmap, AFE_SINEGEN_CON0,
DAC_EN_MASK_SFT, 0);
regmap_update_bits(afe->regmap, AFE_SINEGEN_CON2,
INNER_LOOP_BACK_MODE_MASK_SFT,
0x3f << INNER_LOOP_BACK_MODE_SFT);
}
afe_priv->sgen_mode = mode;
return 1;
}
static int mt8186_sgen_rate_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
struct mt8186_afe_private *afe_priv = afe->platform_priv;
ucontrol->value.integer.value[0] = afe_priv->sgen_rate;
return 0;
}
static int mt8186_sgen_rate_set(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
struct mt8186_afe_private *afe_priv = afe->platform_priv;
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
int rate;
if (ucontrol->value.enumerated.item[0] >= e->items)
return -EINVAL;
rate = ucontrol->value.integer.value[0];
dev_dbg(afe->dev, "%s(), rate %d\n", __func__, rate);
if (rate == afe_priv->sgen_rate)
return 0;
regmap_update_bits(afe->regmap, AFE_SINEGEN_CON0,
SINE_MODE_CH1_MASK_SFT,
mt8186_sgen_rate_idx[rate] << SINE_MODE_CH1_SFT);
regmap_update_bits(afe->regmap, AFE_SINEGEN_CON0,
SINE_MODE_CH2_MASK_SFT,
mt8186_sgen_rate_idx[rate] << SINE_MODE_CH2_SFT);
afe_priv->sgen_rate = rate;
return 1;
}
static int mt8186_sgen_amplitude_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
struct mt8186_afe_private *afe_priv = afe->platform_priv;
ucontrol->value.integer.value[0] = afe_priv->sgen_amplitude;
return 0;
}
static int mt8186_sgen_amplitude_set(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
struct mt8186_afe_private *afe_priv = afe->platform_priv;
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
int amplitude;
if (ucontrol->value.enumerated.item[0] >= e->items)
return -EINVAL;
amplitude = ucontrol->value.integer.value[0];
if (amplitude > AMP_DIV_CH1_MASK) {
dev_err(afe->dev, "%s(), amplitude %d invalid\n",
__func__, amplitude);
return -EINVAL;
}
dev_dbg(afe->dev, "%s(), amplitude %d\n", __func__, amplitude);
if (amplitude == afe_priv->sgen_amplitude)
return 0;
regmap_update_bits(afe->regmap, AFE_SINEGEN_CON0,
AMP_DIV_CH1_MASK_SFT,
amplitude << AMP_DIV_CH1_SFT);
regmap_update_bits(afe->regmap, AFE_SINEGEN_CON0,
AMP_DIV_CH2_MASK_SFT,
amplitude << AMP_DIV_CH2_SFT);
afe_priv->sgen_amplitude = amplitude;
return 1;
}
static const struct soc_enum mt8186_afe_sgen_enum[] = {
SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(mt8186_sgen_mode_str),
mt8186_sgen_mode_str),
SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(mt8186_sgen_rate_str),
mt8186_sgen_rate_str),
SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(mt8186_sgen_amp_str),
mt8186_sgen_amp_str),
};
static const struct snd_kcontrol_new mt8186_afe_sgen_controls[] = {
SOC_ENUM_EXT("Audio_SineGen_Switch", mt8186_afe_sgen_enum[0],
mt8186_sgen_get, mt8186_sgen_set),
SOC_ENUM_EXT("Audio_SineGen_SampleRate", mt8186_afe_sgen_enum[1],
mt8186_sgen_rate_get, mt8186_sgen_rate_set),
SOC_ENUM_EXT("Audio_SineGen_Amplitude", mt8186_afe_sgen_enum[2],
mt8186_sgen_amplitude_get, mt8186_sgen_amplitude_set),
SOC_SINGLE("Audio_SineGen_Mute_Ch1", AFE_SINEGEN_CON0,
MUTE_SW_CH1_MASK_SFT, MUTE_SW_CH1_MASK, 0),
SOC_SINGLE("Audio_SineGen_Mute_Ch2", AFE_SINEGEN_CON0,
MUTE_SW_CH2_MASK_SFT, MUTE_SW_CH2_MASK, 0),
SOC_SINGLE("Audio_SineGen_Freq_Div_Ch1", AFE_SINEGEN_CON0,
FREQ_DIV_CH1_SFT, FREQ_DIV_CH1_MASK, 0),
SOC_SINGLE("Audio_SineGen_Freq_Div_Ch2", AFE_SINEGEN_CON0,
FREQ_DIV_CH2_SFT, FREQ_DIV_CH2_MASK, 0),
};
int mt8186_add_misc_control(struct snd_soc_component *component)
{
snd_soc_add_component_controls(component,
mt8186_afe_sgen_controls,
ARRAY_SIZE(mt8186_afe_sgen_controls));
return 0;
}
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