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-rw-r--r--sound/soc/mediatek/mt8186/mt8186-misc-control.c252
1 files changed, 252 insertions, 0 deletions
diff --git a/sound/soc/mediatek/mt8186/mt8186-misc-control.c b/sound/soc/mediatek/mt8186/mt8186-misc-control.c
new file mode 100644
index 0000000000..2317de8c44
--- /dev/null
+++ b/sound/soc/mediatek/mt8186/mt8186-misc-control.c
@@ -0,0 +1,252 @@
+// 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;
+}