@@ -6,6 +6,7 @@ snd-soc-mt8188-afe-y := \
mt8188-afe-pcm.o \
mt8188-audsys-clk.o \
mt8188-dai-adda.o \
+ mt8188-dai-dmic.o \
mt8188-dai-etdm.o \
mt8188-dai-pcm.o
@@ -137,6 +137,7 @@ struct mt8188_afe_private {
int mt8188_afe_fs_timing(unsigned int rate);
/* dai register */
int mt8188_dai_adda_register(struct mtk_base_afe *afe);
+int mt8188_dai_dmic_register(struct mtk_base_afe *afe);
int mt8188_dai_etdm_register(struct mtk_base_afe *afe);
int mt8188_dai_pcm_register(struct mtk_base_afe *afe);
@@ -652,6 +652,7 @@ static struct snd_soc_dai_driver mt8188_memif_dai_driver[] = {
static const struct snd_kcontrol_new o002_mix[] = {
SOC_DAPM_SINGLE_AUTODISABLE("I000 Switch", AFE_CONN2, 0, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("I004 Switch", AFE_CONN2, 4, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("I012 Switch", AFE_CONN2, 12, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("I020 Switch", AFE_CONN2, 20, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("I022 Switch", AFE_CONN2, 22, 1, 0),
@@ -662,6 +663,8 @@ static const struct snd_kcontrol_new o002_mix[] = {
static const struct snd_kcontrol_new o003_mix[] = {
SOC_DAPM_SINGLE_AUTODISABLE("I001 Switch", AFE_CONN3, 1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("I005 Switch", AFE_CONN3, 5, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("I006 Switch", AFE_CONN3, 6, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("I013 Switch", AFE_CONN3, 13, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("I021 Switch", AFE_CONN3, 21, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("I023 Switch", AFE_CONN3, 23, 1, 0),
@@ -672,6 +675,8 @@ static const struct snd_kcontrol_new o003_mix[] = {
static const struct snd_kcontrol_new o004_mix[] = {
SOC_DAPM_SINGLE_AUTODISABLE("I000 Switch", AFE_CONN4, 0, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("I006 Switch", AFE_CONN4, 6, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("I008 Switch", AFE_CONN4, 8, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("I014 Switch", AFE_CONN4, 14, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("I024 Switch", AFE_CONN4, 24, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("I074 Switch", AFE_CONN4_2, 10, 1, 0),
@@ -679,6 +684,8 @@ static const struct snd_kcontrol_new o004_mix[] = {
static const struct snd_kcontrol_new o005_mix[] = {
SOC_DAPM_SINGLE_AUTODISABLE("I001 Switch", AFE_CONN5, 1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("I007 Switch", AFE_CONN5, 7, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("I010 Switch", AFE_CONN5, 10, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("I015 Switch", AFE_CONN5, 15, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("I025 Switch", AFE_CONN5, 25, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("I075 Switch", AFE_CONN5_2, 11, 1, 0),
@@ -686,6 +693,7 @@ static const struct snd_kcontrol_new o005_mix[] = {
static const struct snd_kcontrol_new o006_mix[] = {
SOC_DAPM_SINGLE_AUTODISABLE("I000 Switch", AFE_CONN6, 0, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("I008 Switch", AFE_CONN6, 8, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("I016 Switch", AFE_CONN6, 16, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("I026 Switch", AFE_CONN6, 26, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("I076 Switch", AFE_CONN6_2, 12, 1, 0),
@@ -693,18 +701,21 @@ static const struct snd_kcontrol_new o006_mix[] = {
static const struct snd_kcontrol_new o007_mix[] = {
SOC_DAPM_SINGLE_AUTODISABLE("I001 Switch", AFE_CONN7, 1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("I009 Switch", AFE_CONN7, 9, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("I017 Switch", AFE_CONN7, 17, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("I027 Switch", AFE_CONN7, 27, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("I077 Switch", AFE_CONN7_2, 13, 1, 0),
};
static const struct snd_kcontrol_new o008_mix[] = {
+ SOC_DAPM_SINGLE_AUTODISABLE("I010 Switch", AFE_CONN8, 10, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("I018 Switch", AFE_CONN8, 18, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("I028 Switch", AFE_CONN8, 28, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("I078 Switch", AFE_CONN8_2, 14, 1, 0),
};
static const struct snd_kcontrol_new o009_mix[] = {
+ SOC_DAPM_SINGLE_AUTODISABLE("I011 Switch", AFE_CONN9, 11, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("I019 Switch", AFE_CONN9, 19, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("I029 Switch", AFE_CONN9, 29, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("I079 Switch", AFE_CONN9_2, 15, 1, 0),
@@ -1275,6 +1286,18 @@ static const struct snd_soc_dapm_route mt8188_memif_routes[] = {
{"O002", "I070 Switch", "I070"},
{"O003", "I071 Switch", "I071"},
+ {"O002", "I004 Switch", "I004"},
+ {"O003", "I005 Switch", "I005"},
+ {"O003", "I006 Switch", "I006"},
+ {"O004", "I006 Switch", "I006"},
+ {"O004", "I008 Switch", "I008"},
+ {"O005", "I007 Switch", "I007"},
+ {"O005", "I010 Switch", "I010"},
+ {"O006", "I008 Switch", "I008"},
+ {"O007", "I009 Switch", "I009"},
+ {"O008", "I010 Switch", "I010"},
+ {"O009", "I011 Switch", "I011"},
+
{"O034", "I000 Switch", "I000"},
{"O035", "I001 Switch", "I001"},
{"O034", "I002 Switch", "I002"},
@@ -3072,6 +3095,7 @@ static int mt8188_dai_memif_register(struct mtk_base_afe *afe)
typedef int (*dai_register_cb)(struct mtk_base_afe *);
static const dai_register_cb dai_register_cbs[] = {
mt8188_dai_adda_register,
+ mt8188_dai_dmic_register,
mt8188_dai_etdm_register,
mt8188_dai_pcm_register,
mt8188_dai_memif_register,
new file mode 100644
@@ -0,0 +1,682 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * MediaTek ALSA SoC Audio DAI DMIC I/F Control
+ *
+ * Copyright (c) 2020 MediaTek Inc.
+ * Author: Bicycle Tsai <bicycle.tsai@mediatek.com>
+ * Trevor Wu <trevor.wu@mediatek.com>
+ * Parker Yang <parker.yang@mediatek.com>
+ */
+
+#include <linux/delay.h>
+#include <linux/pm_runtime.h>
+#include <linux/regmap.h>
+#include <sound/pcm_params.h>
+#include "mt8188-afe-clk.h"
+#include "mt8188-afe-common.h"
+#include "mt8188-reg.h"
+
+/* DMIC HW Gain configuration maximum value. */
+#define DMIC_GAIN_MAX_STEP GENMASK(19, 0)
+#define DMIC_GAIN_MAX_PER_STEP GENMASK(7, 0)
+#define DMIC_GAIN_MAX_TARGET GENMASK(27, 0)
+#define DMIC_GAIN_MAX_CURRENT GENMASK(27, 0)
+
+#define CLK_PHASE_SEL_CH1 0
+#define CLK_PHASE_SEL_CH2 ((CLK_PHASE_SEL_CH1) + 4)
+
+#define DMIC1_SRC_SEL 0
+#define DMIC2_SRC_SEL 0
+#define DMIC3_SRC_SEL 2
+#define DMIC4_SRC_SEL 0
+#define DMIC5_SRC_SEL 4
+#define DMIC6_SRC_SEL 0
+#define DMIC7_SRC_SEL 6
+#define DMIC8_SRC_SEL 0
+
+enum {
+ SUPPLY_SEQ_DMIC_GAIN,
+ SUPPLY_SEQ_DMIC_CK,
+};
+
+enum {
+ DMIC0,
+ DMIC1,
+ DMIC2,
+ DMIC3,
+ DMIC_NUM,
+};
+
+struct mtk_dai_dmic_ctrl_reg {
+ unsigned int con0;
+};
+
+struct mtk_dai_dmic_hw_gain_ctrl_reg {
+ unsigned int bypass;
+ unsigned int con0;
+};
+
+struct mtk_dai_dmic_priv {
+ unsigned int gain_on[DMIC_NUM];
+ unsigned int channels;
+ bool hires_required;
+};
+
+static const struct mtk_dai_dmic_ctrl_reg dmic_ctrl_regs[DMIC_NUM] = {
+ [DMIC0] = {
+ .con0 = AFE_DMIC0_UL_SRC_CON0,
+ },
+ [DMIC1] = {
+ .con0 = AFE_DMIC1_UL_SRC_CON0,
+ },
+ [DMIC2] = {
+ .con0 = AFE_DMIC2_UL_SRC_CON0,
+ },
+ [DMIC3] = {
+ .con0 = AFE_DMIC3_UL_SRC_CON0,
+ },
+};
+
+static const struct mtk_dai_dmic_ctrl_reg *get_dmic_ctrl_reg(int id)
+{
+ if (id < 0 || id >= DMIC_NUM)
+ return NULL;
+
+ return &dmic_ctrl_regs[id];
+}
+
+static const struct mtk_dai_dmic_hw_gain_ctrl_reg
+ dmic_hw_gain_ctrl_regs[DMIC_NUM] = {
+ [DMIC0] = {
+ .bypass = DMIC_BYPASS_HW_GAIN,
+ .con0 = DMIC_GAIN1_CON0,
+ },
+ [DMIC1] = {
+ .bypass = DMIC_BYPASS_HW_GAIN,
+ .con0 = DMIC_GAIN2_CON0,
+ },
+ [DMIC2] = {
+ .bypass = DMIC_BYPASS_HW_GAIN,
+ .con0 = DMIC_GAIN3_CON0,
+ },
+ [DMIC3] = {
+ .bypass = DMIC_BYPASS_HW_GAIN,
+ .con0 = DMIC_GAIN4_CON0,
+ },
+};
+
+static const struct mtk_dai_dmic_hw_gain_ctrl_reg
+ *get_dmic_hw_gain_ctrl_reg(struct mtk_base_afe *afe, int id)
+{
+ if ((id < 0) || (id >= DMIC_NUM)) {
+ dev_dbg(afe->dev, "%s invalid id\n", __func__);
+ return NULL;
+ }
+
+ return &dmic_hw_gain_ctrl_regs[id];
+}
+
+static void mtk_dai_dmic_hw_gain_bypass(struct mtk_base_afe *afe,
+ unsigned int id, bool bypass)
+{
+ const struct mtk_dai_dmic_hw_gain_ctrl_reg *reg;
+ unsigned int msk;
+
+ reg = get_dmic_hw_gain_ctrl_reg(afe, id);
+ if (!reg)
+ return;
+
+ switch (id) {
+ case DMIC0:
+ msk = DMIC_BYPASS_HW_GAIN_DMIC1_BYPASS;
+ break;
+ case DMIC1:
+ msk = DMIC_BYPASS_HW_GAIN_DMIC2_BYPASS;
+ break;
+ case DMIC2:
+ msk = DMIC_BYPASS_HW_GAIN_DMIC3_BYPASS;
+ break;
+ case DMIC3:
+ msk = DMIC_BYPASS_HW_GAIN_DMIC4_BYPASS;
+ break;
+ default:
+ return;
+ }
+
+ if (bypass)
+ regmap_set_bits(afe->regmap, reg->bypass, msk);
+ else
+ regmap_clear_bits(afe->regmap, reg->bypass, msk);
+}
+
+static void mtk_dai_dmic_hw_gain_on(struct mtk_base_afe *afe, unsigned int id,
+ bool on)
+{
+ const struct mtk_dai_dmic_hw_gain_ctrl_reg *reg = get_dmic_hw_gain_ctrl_reg(afe, id);
+
+ if (!reg)
+ return;
+
+ if (on)
+ regmap_set_bits(afe->regmap, reg->con0, DMIC_GAIN_CON0_GAIN_ON);
+ else
+ regmap_clear_bits(afe->regmap, reg->con0, DMIC_GAIN_CON0_GAIN_ON);
+}
+
+static const struct reg_sequence mtk_dai_dmic_iir_coeff_reg_defaults[] = {
+ { AFE_DMIC0_IIR_COEF_02_01, 0x00000000 },
+ { AFE_DMIC0_IIR_COEF_04_03, 0x00003FB8 },
+ { AFE_DMIC0_IIR_COEF_06_05, 0x3FB80000 },
+ { AFE_DMIC0_IIR_COEF_08_07, 0x3FB80000 },
+ { AFE_DMIC0_IIR_COEF_10_09, 0x0000C048 },
+ { AFE_DMIC1_IIR_COEF_02_01, 0x00000000 },
+ { AFE_DMIC1_IIR_COEF_04_03, 0x00003FB8 },
+ { AFE_DMIC1_IIR_COEF_06_05, 0x3FB80000 },
+ { AFE_DMIC1_IIR_COEF_08_07, 0x3FB80000 },
+ { AFE_DMIC1_IIR_COEF_10_09, 0x0000C048 },
+ { AFE_DMIC2_IIR_COEF_02_01, 0x00000000 },
+ { AFE_DMIC2_IIR_COEF_04_03, 0x00003FB8 },
+ { AFE_DMIC2_IIR_COEF_06_05, 0x3FB80000 },
+ { AFE_DMIC2_IIR_COEF_08_07, 0x3FB80000 },
+ { AFE_DMIC2_IIR_COEF_10_09, 0x0000C048 },
+ { AFE_DMIC3_IIR_COEF_02_01, 0x00000000 },
+ { AFE_DMIC3_IIR_COEF_04_03, 0x00003FB8 },
+ { AFE_DMIC3_IIR_COEF_06_05, 0x3FB80000 },
+ { AFE_DMIC3_IIR_COEF_08_07, 0x3FB80000 },
+ { AFE_DMIC3_IIR_COEF_10_09, 0x0000C048 },
+};
+
+static int mtk_dai_dmic_load_iir_coeff_table(struct mtk_base_afe *afe)
+{
+ return regmap_multi_reg_write(afe->regmap,
+ mtk_dai_dmic_iir_coeff_reg_defaults,
+ ARRAY_SIZE(mtk_dai_dmic_iir_coeff_reg_defaults));
+}
+
+static int mtk_dai_dmic_configure_array(struct snd_soc_dai *dai)
+{
+ struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
+ const u32 mask = PWR2_TOP_CON_DMIC8_SRC_SEL_MASK |
+ PWR2_TOP_CON_DMIC7_SRC_SEL_MASK |
+ PWR2_TOP_CON_DMIC6_SRC_SEL_MASK |
+ PWR2_TOP_CON_DMIC5_SRC_SEL_MASK |
+ PWR2_TOP_CON_DMIC4_SRC_SEL_MASK |
+ PWR2_TOP_CON_DMIC3_SRC_SEL_MASK |
+ PWR2_TOP_CON_DMIC2_SRC_SEL_MASK |
+ PWR2_TOP_CON_DMIC1_SRC_SEL_MASK;
+ const u32 val = PWR2_TOP_CON_DMIC8_SRC_SEL_VAL(DMIC8_SRC_SEL) |
+ PWR2_TOP_CON_DMIC7_SRC_SEL_VAL(DMIC7_SRC_SEL) |
+ PWR2_TOP_CON_DMIC6_SRC_SEL_VAL(DMIC6_SRC_SEL) |
+ PWR2_TOP_CON_DMIC5_SRC_SEL_VAL(DMIC5_SRC_SEL) |
+ PWR2_TOP_CON_DMIC4_SRC_SEL_VAL(DMIC4_SRC_SEL) |
+ PWR2_TOP_CON_DMIC3_SRC_SEL_VAL(DMIC3_SRC_SEL) |
+ PWR2_TOP_CON_DMIC2_SRC_SEL_VAL(DMIC2_SRC_SEL) |
+ PWR2_TOP_CON_DMIC1_SRC_SEL_VAL(DMIC1_SRC_SEL);
+
+ return regmap_update_bits(afe->regmap, PWR2_TOP_CON0, mask, val);
+}
+
+/* This function assumes that the caller checked that channels is valid */
+static u8 mtk_dmic_channels_to_dmic_number(unsigned int channels)
+{
+ switch (channels) {
+ case 1:
+ return DMIC0;
+ case 2:
+ return DMIC1;
+ case 3:
+ return DMIC2;
+ case 4:
+ default:
+ return DMIC3;
+ }
+}
+
+static void mtk_dai_dmic_hw_gain_enable(struct mtk_base_afe *afe,
+ unsigned int channels, bool enable)
+{
+ struct mt8188_afe_private *afe_priv = afe->platform_priv;
+ struct mtk_dai_dmic_priv *dmic_priv = afe_priv->dai_priv[MT8188_AFE_IO_DMIC_IN];
+ u8 dmic_num;
+ int i;
+
+ dmic_num = mtk_dmic_channels_to_dmic_number(channels);
+ for (i = dmic_num; i >= DMIC0; i--) {
+ if (enable && dmic_priv->gain_on[i]) {
+ mtk_dai_dmic_hw_gain_bypass(afe, i, false);
+ mtk_dai_dmic_hw_gain_on(afe, i, true);
+ } else {
+ mtk_dai_dmic_hw_gain_on(afe, i, false);
+ mtk_dai_dmic_hw_gain_bypass(afe, i, true);
+ }
+ }
+}
+
+static int mtk_dmic_gain_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol,
+ int event)
+{
+ struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
+ struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
+ struct mt8188_afe_private *afe_priv = afe->platform_priv;
+ struct mtk_dai_dmic_priv *dmic_priv = afe_priv->dai_priv[MT8188_AFE_IO_DMIC_IN];
+ unsigned int channels = dmic_priv->channels;
+
+ dev_dbg(afe->dev, "%s(), name %s, event 0x%x\n",
+ __func__, w->name, event);
+
+ if (!channels)
+ return -EINVAL;
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ mtk_dai_dmic_hw_gain_enable(afe, channels, true);
+ break;
+ case SND_SOC_DAPM_POST_PMD:
+ mtk_dai_dmic_hw_gain_enable(afe, channels, false);
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static int mtk_dmic_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol,
+ int event)
+{
+ struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
+ struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
+ struct mt8188_afe_private *afe_priv = afe->platform_priv;
+ struct mtk_dai_dmic_priv *dmic_priv = afe_priv->dai_priv[MT8188_AFE_IO_DMIC_IN];
+ const struct mtk_dai_dmic_ctrl_reg *reg = NULL;
+ unsigned int channels = dmic_priv->channels;
+ unsigned int msk;
+ u8 dmic_num;
+ int i;
+
+ dev_dbg(afe->dev, "%s(), name %s, event 0x%x\n",
+ __func__, w->name, event);
+
+ if (!channels)
+ return -EINVAL;
+
+ dmic_num = mtk_dmic_channels_to_dmic_number(channels);
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ /* request fifo soft rst */
+ for (i = dmic_num; i >= DMIC0; i--)
+ msk |= PWR2_TOP_CON1_DMIC_FIFO_SOFT_RST_EN(i);
+
+ regmap_set_bits(afe->regmap, PWR2_TOP_CON1, msk);
+
+ msk = AFE_DMIC_UL_SRC_CON0_UL_MODE_3P25M_CH1_CTL |
+ AFE_DMIC_UL_SRC_CON0_UL_MODE_3P25M_CH2_CTL |
+ AFE_DMIC_UL_SRC_CON0_UL_SDM_3_LEVEL_CTL |
+ AFE_DMIC_UL_SRC_CON0_UL_IIR_ON_TMP_CTL;
+
+ for (i = dmic_num; i >= DMIC0; i--) {
+ reg = get_dmic_ctrl_reg(i);
+ if (reg)
+ regmap_set_bits(afe->regmap, reg->con0, msk);
+ }
+ break;
+ case SND_SOC_DAPM_POST_PMU:
+ msk = AFE_DMIC_UL_SRC_CON0_UL_SRC_ON_TMP_CTL;
+
+ for (i = dmic_num; i >= DMIC0; i--) {
+ reg = get_dmic_ctrl_reg(i);
+ if (reg)
+ regmap_set_bits(afe->regmap, reg->con0, msk);
+ }
+
+ if (dmic_priv->hires_required) {
+ mt8188_afe_enable_clk(afe, afe_priv->clk[MT8188_CLK_AUD_DMIC_HIRES1]);
+ mt8188_afe_enable_clk(afe, afe_priv->clk[MT8188_CLK_AUD_DMIC_HIRES2]);
+ mt8188_afe_enable_clk(afe, afe_priv->clk[MT8188_CLK_AUD_DMIC_HIRES3]);
+ mt8188_afe_enable_clk(afe, afe_priv->clk[MT8188_CLK_AUD_DMIC_HIRES4]);
+ }
+
+ mt8188_afe_enable_clk(afe, afe_priv->clk[MT8188_CLK_AUD_AFE_DMIC1]);
+ mt8188_afe_enable_clk(afe, afe_priv->clk[MT8188_CLK_AUD_AFE_DMIC2]);
+ mt8188_afe_enable_clk(afe, afe_priv->clk[MT8188_CLK_AUD_AFE_DMIC3]);
+ mt8188_afe_enable_clk(afe, afe_priv->clk[MT8188_CLK_AUD_AFE_DMIC4]);
+
+ /* release fifo soft rst */
+ msk = 0;
+ for (i = dmic_num; i >= DMIC0; i--)
+ msk |= PWR2_TOP_CON1_DMIC_FIFO_SOFT_RST_EN(i);
+
+ regmap_clear_bits(afe->regmap, PWR2_TOP_CON1, msk);
+ break;
+ case SND_SOC_DAPM_PRE_PMD:
+ msk = AFE_DMIC_UL_SRC_CON0_UL_MODE_3P25M_CH1_CTL |
+ AFE_DMIC_UL_SRC_CON0_UL_MODE_3P25M_CH2_CTL |
+ AFE_DMIC_UL_SRC_CON0_UL_SRC_ON_TMP_CTL |
+ AFE_DMIC_UL_SRC_CON0_UL_IIR_ON_TMP_CTL |
+ AFE_DMIC_UL_SRC_CON0_UL_SDM_3_LEVEL_CTL;
+
+ for (i = dmic_num; i >= DMIC0; i--) {
+ reg = get_dmic_ctrl_reg(i);
+ if (reg)
+ regmap_set_bits(afe->regmap, reg->con0, msk);
+ }
+ break;
+ case SND_SOC_DAPM_POST_PMD:
+ /* should delayed 1/fs(smallest is 8k) = 125us before afe off */
+ usleep_range(125, 126);
+
+ mt8188_afe_disable_clk(afe, afe_priv->clk[MT8188_CLK_AUD_AFE_DMIC1]);
+ mt8188_afe_disable_clk(afe, afe_priv->clk[MT8188_CLK_AUD_AFE_DMIC2]);
+ mt8188_afe_disable_clk(afe, afe_priv->clk[MT8188_CLK_AUD_AFE_DMIC3]);
+ mt8188_afe_disable_clk(afe, afe_priv->clk[MT8188_CLK_AUD_AFE_DMIC4]);
+
+ if (dmic_priv->hires_required) {
+ mt8188_afe_disable_clk(afe, afe_priv->clk[MT8188_CLK_AUD_DMIC_HIRES1]);
+ mt8188_afe_disable_clk(afe, afe_priv->clk[MT8188_CLK_AUD_DMIC_HIRES2]);
+ mt8188_afe_disable_clk(afe, afe_priv->clk[MT8188_CLK_AUD_DMIC_HIRES3]);
+ mt8188_afe_disable_clk(afe, afe_priv->clk[MT8188_CLK_AUD_DMIC_HIRES4]);
+ }
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static int mtk_dai_dmic_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
+{
+ struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
+ struct mt8188_afe_private *afe_priv = afe->platform_priv;
+ struct mtk_dai_dmic_priv *dmic_priv = afe_priv->dai_priv[MT8188_AFE_IO_DMIC_IN];
+ unsigned int rate = params_rate(params);
+ unsigned int channels = params_channels(params);
+ const struct mtk_dai_dmic_ctrl_reg *reg = NULL;
+ u32 val = AFE_DMIC_UL_SRC_CON0_UL_PHASE_SEL_CH1(CLK_PHASE_SEL_CH1) |
+ AFE_DMIC_UL_SRC_CON0_UL_PHASE_SEL_CH2(CLK_PHASE_SEL_CH2) |
+ AFE_DMIC_UL_SRC_CON0_UL_IIR_MODE_CTL(0);
+ const u32 msk = AFE_DMIC_UL_SRC_CON0_UL_TWO_WIRE_MODE_CTL |
+ AFE_DMIC_UL_SRC_CON0_UL_PHASE_SEL_MASK |
+ AFE_DMIC_UL_SRC_CON0_UL_IIR_MODE_CTL_MASK |
+ AFE_DMIC_UL_VOICE_MODE_MASK;
+ u8 dmic_num;
+ int ret;
+ int i;
+
+ if (!channels || channels > 8)
+ return -EINVAL;
+
+ ret = mtk_dai_dmic_configure_array(dai);
+ if (ret < 0)
+ return ret;
+
+ ret = mtk_dai_dmic_load_iir_coeff_table(afe);
+ if (ret < 0)
+ return ret;
+
+ switch (rate) {
+ case 96000:
+ val |= AFE_DMIC_UL_CON0_VOCIE_MODE_96K;
+ dmic_priv->hires_required = 1;
+ break;
+ case 48000:
+ val |= AFE_DMIC_UL_CON0_VOCIE_MODE_48K;
+ dmic_priv->hires_required = 0;
+ break;
+ case 32000:
+ val |= AFE_DMIC_UL_CON0_VOCIE_MODE_32K;
+ dmic_priv->hires_required = 0;
+ break;
+ case 16000:
+ val |= AFE_DMIC_UL_CON0_VOCIE_MODE_16K;
+ dmic_priv->hires_required = 0;
+ break;
+ case 8000:
+ val |= AFE_DMIC_UL_CON0_VOCIE_MODE_8K;
+ dmic_priv->hires_required = 0;
+ break;
+ default:
+ dev_dbg(afe->dev, "%s invalid rate %u, use 48000Hz\n", __func__, rate);
+ val |= AFE_DMIC_UL_CON0_VOCIE_MODE_48K;
+ dmic_priv->hires_required = 0;
+ break;
+ }
+
+ dmic_num = mtk_dmic_channels_to_dmic_number(channels);
+ for (i = dmic_num; i >= DMIC0; i--) {
+ reg = get_dmic_ctrl_reg(i);
+ if (reg) {
+ ret = regmap_update_bits(afe->regmap, reg->con0, msk, val);
+ if (ret < 0)
+ return ret;
+ }
+ }
+
+ dmic_priv->channels = channels;
+
+ return 0;
+}
+
+static const struct snd_soc_dai_ops mtk_dai_dmic_ops = {
+ .hw_params = mtk_dai_dmic_hw_params,
+};
+
+#define MTK_DMIC_RATES (SNDRV_PCM_RATE_8000 |\
+ SNDRV_PCM_RATE_16000 |\
+ SNDRV_PCM_RATE_32000 |\
+ SNDRV_PCM_RATE_48000 |\
+ SNDRV_PCM_RATE_96000)
+
+#define MTK_DMIC_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
+ SNDRV_PCM_FMTBIT_S32_LE)
+
+static struct snd_soc_dai_driver mtk_dai_dmic_driver[] = {
+ {
+ .name = "DMIC",
+ .id = MT8188_AFE_IO_DMIC_IN,
+ .capture = {
+ .stream_name = "DMIC Capture",
+ .channels_min = 1,
+ .channels_max = 8,
+ .rates = MTK_DMIC_RATES,
+ .formats = MTK_DMIC_FORMATS,
+ },
+ .ops = &mtk_dai_dmic_ops,
+ },
+};
+
+static const struct snd_soc_dapm_widget mtk_dai_dmic_widgets[] = {
+ SND_SOC_DAPM_MIXER("I004", SND_SOC_NOPM, 0, 0, NULL, 0),
+ SND_SOC_DAPM_MIXER("I005", SND_SOC_NOPM, 0, 0, NULL, 0),
+ SND_SOC_DAPM_MIXER("I006", SND_SOC_NOPM, 0, 0, NULL, 0),
+ SND_SOC_DAPM_MIXER("I007", SND_SOC_NOPM, 0, 0, NULL, 0),
+ SND_SOC_DAPM_MIXER("I008", SND_SOC_NOPM, 0, 0, NULL, 0),
+ SND_SOC_DAPM_MIXER("I009", SND_SOC_NOPM, 0, 0, NULL, 0),
+ SND_SOC_DAPM_MIXER("I010", SND_SOC_NOPM, 0, 0, NULL, 0),
+ SND_SOC_DAPM_MIXER("I011", SND_SOC_NOPM, 0, 0, NULL, 0),
+
+ SND_SOC_DAPM_SUPPLY_S("DMIC_GAIN_ON", SUPPLY_SEQ_DMIC_GAIN,
+ SND_SOC_NOPM, 0, 0,
+ mtk_dmic_gain_event,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_SUPPLY_S("DMIC_CK_ON", SUPPLY_SEQ_DMIC_CK,
+ PWR2_TOP_CON1,
+ PWR2_TOP_CON1_DMIC_CKDIV_ON_SHIFT, 0,
+ mtk_dmic_event,
+ SND_SOC_DAPM_PRE_POST_PMU |
+ SND_SOC_DAPM_PRE_POST_PMD),
+ SND_SOC_DAPM_INPUT("DMIC_INPUT"),
+};
+
+static const struct snd_soc_dapm_route mtk_dai_dmic_routes[] = {
+ {"I004", NULL, "DMIC Capture"},
+ {"I005", NULL, "DMIC Capture"},
+ {"I006", NULL, "DMIC Capture"},
+ {"I007", NULL, "DMIC Capture"},
+ {"I008", NULL, "DMIC Capture"},
+ {"I009", NULL, "DMIC Capture"},
+ {"I010", NULL, "DMIC Capture"},
+ {"I011", NULL, "DMIC Capture"},
+ {"DMIC Capture", NULL, "DMIC_CK_ON"},
+ {"DMIC Capture", NULL, "DMIC_GAIN_ON"},
+ {"DMIC Capture", NULL, "DMIC_INPUT"},
+};
+
+static const char * const mt8188_dmic_gain_enable_text[] = {
+ "Bypass", "Connect",
+};
+
+static SOC_ENUM_SINGLE_EXT_DECL(dmic_gain_on_enum,
+ mt8188_dmic_gain_enable_text);
+
+static int mtk_dai_dmic_hw_gain_ctrl_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
+ struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
+ struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
+ struct mt8188_afe_private *afe_priv = afe->platform_priv;
+ struct mtk_dai_dmic_priv *dmic_priv = afe_priv->dai_priv[MT8188_AFE_IO_DMIC_IN];
+ unsigned int source = ucontrol->value.enumerated.item[0];
+ unsigned int *cached;
+
+ if (source >= e->items)
+ return -EINVAL;
+
+ if (!strcmp(kcontrol->id.name, "DMIC1_HW_GAIN_EN"))
+ cached = &dmic_priv->gain_on[0];
+ else if (!strcmp(kcontrol->id.name, "DMIC2_HW_GAIN_EN"))
+ cached = &dmic_priv->gain_on[1];
+ else if (!strcmp(kcontrol->id.name, "DMIC3_HW_GAIN_EN"))
+ cached = &dmic_priv->gain_on[2];
+ else if (!strcmp(kcontrol->id.name, "DMIC4_HW_GAIN_EN"))
+ cached = &dmic_priv->gain_on[3];
+ else
+ return -EINVAL;
+
+ if (source == *cached)
+ return 0;
+
+ *cached = source;
+ return 1;
+}
+
+static int mtk_dai_dmic_hw_gain_ctrl_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+ struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
+ struct mt8188_afe_private *afe_priv = afe->platform_priv;
+ struct mtk_dai_dmic_priv *dmic_priv = afe_priv->dai_priv[MT8188_AFE_IO_DMIC_IN];
+ unsigned int val;
+
+ if (!strcmp(kcontrol->id.name, "DMIC1_HW_GAIN_EN"))
+ val = dmic_priv->gain_on[0];
+ else if (!strcmp(kcontrol->id.name, "DMIC2_HW_GAIN_EN"))
+ val = dmic_priv->gain_on[1];
+ else if (!strcmp(kcontrol->id.name, "DMIC3_HW_GAIN_EN"))
+ val = dmic_priv->gain_on[2];
+ else if (!strcmp(kcontrol->id.name, "DMIC4_HW_GAIN_EN"))
+ val = dmic_priv->gain_on[3];
+ else
+ return -EINVAL;
+
+ ucontrol->value.enumerated.item[0] = val;
+ return 0;
+}
+
+static const struct snd_kcontrol_new mtk_dai_dmic_controls[] = {
+ SOC_ENUM_EXT("DMIC1_HW_GAIN_EN", dmic_gain_on_enum,
+ mtk_dai_dmic_hw_gain_ctrl_get,
+ mtk_dai_dmic_hw_gain_ctrl_put),
+ SOC_ENUM_EXT("DMIC2_HW_GAIN_EN", dmic_gain_on_enum,
+ mtk_dai_dmic_hw_gain_ctrl_get,
+ mtk_dai_dmic_hw_gain_ctrl_put),
+ SOC_ENUM_EXT("DMIC3_HW_GAIN_EN", dmic_gain_on_enum,
+ mtk_dai_dmic_hw_gain_ctrl_get,
+ mtk_dai_dmic_hw_gain_ctrl_put),
+ SOC_ENUM_EXT("DMIC4_HW_GAIN_EN", dmic_gain_on_enum,
+ mtk_dai_dmic_hw_gain_ctrl_get,
+ mtk_dai_dmic_hw_gain_ctrl_put),
+ SOC_SINGLE("DMIC1_HW_GAIN_TARGET", DMIC_GAIN1_CON1,
+ 0, DMIC_GAIN_MAX_TARGET, 0),
+ SOC_SINGLE("DMIC2_HW_GAIN_TARGET", DMIC_GAIN2_CON1,
+ 0, DMIC_GAIN_MAX_TARGET, 0),
+ SOC_SINGLE("DMIC3_HW_GAIN_TARGET", DMIC_GAIN3_CON1,
+ 0, DMIC_GAIN_MAX_TARGET, 0),
+ SOC_SINGLE("DMIC4_HW_GAIN_TARGET", DMIC_GAIN4_CON1,
+ 0, DMIC_GAIN_MAX_TARGET, 0),
+ SOC_SINGLE("DMIC1_HW_GAIN_CURRENT", DMIC_GAIN1_CUR,
+ 0, DMIC_GAIN_MAX_CURRENT, 0),
+ SOC_SINGLE("DMIC2_HW_GAIN_CURRENT", DMIC_GAIN2_CUR,
+ 0, DMIC_GAIN_MAX_CURRENT, 0),
+ SOC_SINGLE("DMIC3_HW_GAIN_CURRENT", DMIC_GAIN3_CUR,
+ 0, DMIC_GAIN_MAX_CURRENT, 0),
+ SOC_SINGLE("DMIC4_HW_GAIN_CURRENT", DMIC_GAIN4_CUR,
+ 0, DMIC_GAIN_MAX_CURRENT, 0),
+ SOC_SINGLE("DMIC1_HW_GAIN_UP_STEP", DMIC_GAIN1_CON3,
+ 0, DMIC_GAIN_MAX_STEP, 0),
+ SOC_SINGLE("DMIC2_HW_GAIN_UP_STEP", DMIC_GAIN2_CON3,
+ 0, DMIC_GAIN_MAX_STEP, 0),
+ SOC_SINGLE("DMIC3_HW_GAIN_UP_STEP", DMIC_GAIN3_CON3,
+ 0, DMIC_GAIN_MAX_STEP, 0),
+ SOC_SINGLE("DMIC4_HW_GAIN_UP_STEP", DMIC_GAIN4_CON3,
+ 0, DMIC_GAIN_MAX_STEP, 0),
+ SOC_SINGLE("DMIC1_HW_GAIN_DOWN_STEP", DMIC_GAIN1_CON2,
+ 0, DMIC_GAIN_MAX_STEP, 0),
+ SOC_SINGLE("DMIC2_HW_GAIN_DOWN_STEP", DMIC_GAIN2_CON2,
+ 0, DMIC_GAIN_MAX_STEP, 0),
+ SOC_SINGLE("DMIC3_HW_GAIN_DOWN_STEP", DMIC_GAIN3_CON2,
+ 0, DMIC_GAIN_MAX_STEP, 0),
+ SOC_SINGLE("DMIC4_HW_GAIN_DOWN_STEP", DMIC_GAIN4_CON2,
+ 0, DMIC_GAIN_MAX_STEP, 0),
+ SOC_SINGLE("DMIC1_HW_GAIN_SAMPLE_PER_STEP", DMIC_GAIN1_CON0,
+ DMIC_GAIN_CON0_SAMPLE_PER_STEP_SHIFT, DMIC_GAIN_MAX_PER_STEP, 0),
+ SOC_SINGLE("DMIC2_HW_GAIN_SAMPLE_PER_STEP", DMIC_GAIN2_CON0,
+ DMIC_GAIN_CON0_SAMPLE_PER_STEP_SHIFT, DMIC_GAIN_MAX_PER_STEP, 0),
+ SOC_SINGLE("DMIC3_HW_GAIN_SAMPLE_PER_STEP", DMIC_GAIN3_CON0,
+ DMIC_GAIN_CON0_SAMPLE_PER_STEP_SHIFT, DMIC_GAIN_MAX_PER_STEP, 0),
+ SOC_SINGLE("DMIC4_HW_GAIN_SAMPLE_PER_STEP", DMIC_GAIN4_CON0,
+ DMIC_GAIN_CON0_SAMPLE_PER_STEP_SHIFT, DMIC_GAIN_MAX_PER_STEP, 0),
+};
+
+static int init_dmic_priv_data(struct mtk_base_afe *afe)
+{
+ struct mt8188_afe_private *afe_priv = afe->platform_priv;
+ struct mtk_dai_dmic_priv *dmic_priv;
+
+ dmic_priv = devm_kzalloc(afe->dev, sizeof(struct mtk_dai_dmic_priv),
+ GFP_KERNEL);
+ if (!dmic_priv)
+ return -ENOMEM;
+
+ afe_priv->dai_priv[MT8188_AFE_IO_DMIC_IN] = dmic_priv;
+ return 0;
+}
+
+int mt8188_dai_dmic_register(struct mtk_base_afe *afe)
+{
+ struct mtk_base_afe_dai *dai;
+
+ dai = devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL);
+ if (!dai)
+ return -ENOMEM;
+
+ list_add(&dai->list, &afe->sub_dais);
+
+ dai->dai_drivers = mtk_dai_dmic_driver;
+ dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_dmic_driver);
+ dai->dapm_widgets = mtk_dai_dmic_widgets;
+ dai->num_dapm_widgets = ARRAY_SIZE(mtk_dai_dmic_widgets);
+ dai->dapm_routes = mtk_dai_dmic_routes;
+ dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_dmic_routes);
+ dai->controls = mtk_dai_dmic_controls;
+ dai->num_controls = ARRAY_SIZE(mtk_dai_dmic_controls);
+
+ return init_dmic_priv_data(afe);
+}
@@ -2837,9 +2837,20 @@
#define PWR2_TOP_CON_DMIC3_SRC_SEL_MASK GENMASK(16, 14)
#define PWR2_TOP_CON_DMIC2_SRC_SEL_MASK GENMASK(13, 11)
#define PWR2_TOP_CON_DMIC1_SRC_SEL_MASK GENMASK(10, 8)
+#define PWR2_TOP_CON_DMIC8_SRC_SEL_VAL(x) ((x) << 29)
+#define PWR2_TOP_CON_DMIC7_SRC_SEL_VAL(x) ((x) << 26)
+#define PWR2_TOP_CON_DMIC6_SRC_SEL_VAL(x) ((x) << 23)
+#define PWR2_TOP_CON_DMIC5_SRC_SEL_VAL(x) ((x) << 20)
+#define PWR2_TOP_CON_DMIC4_SRC_SEL_VAL(x) ((x) << 17)
+#define PWR2_TOP_CON_DMIC3_SRC_SEL_VAL(x) ((x) << 14)
+#define PWR2_TOP_CON_DMIC2_SRC_SEL_VAL(x) ((x) << 11)
+#define PWR2_TOP_CON_DMIC1_SRC_SEL_VAL(x) ((x) << 8)
/* PWR2_TOP_CON1 */
-#define PWR2_TOP_CON1_DMIC_CKDIV_ON BIT(1)
+#define PWR2_TOP_CON1_DMIC_FIFO_SOFT_RST_EN(x) BIT(5 + 6 * (x))
+#define PWR2_TOP_CON1_DMIC_CKDIV_ON BIT(1)
+#define PWR2_TOP_CON1_DMIC_CKDIV_ON_SHIFT 1
+
/* PCM_INTF_CON1 */
#define PCM_INTF_CON1_SYNC_OUT_INV BIT(23)
@@ -2921,13 +2932,14 @@
#define AFE_DMIC_UL_SRC_CON0_UL_TWO_WIRE_MODE_CTL BIT(23)
#define AFE_DMIC_UL_SRC_CON0_UL_MODE_3P25M_CH2_CTL BIT(22)
#define AFE_DMIC_UL_SRC_CON0_UL_MODE_3P25M_CH1_CTL BIT(21)
-
+#define AFE_DMIC_UL_VOICE_MODE(x) (((x) & GENMASK(2, 0)) << 17)
#define AFE_DMIC_UL_VOICE_MODE_MASK GENMASK(19, 17)
#define AFE_DMIC_UL_CON0_VOCIE_MODE_8K AFE_DMIC_UL_VOICE_MODE(0)
#define AFE_DMIC_UL_CON0_VOCIE_MODE_16K AFE_DMIC_UL_VOICE_MODE(1)
#define AFE_DMIC_UL_CON0_VOCIE_MODE_32K AFE_DMIC_UL_VOICE_MODE(2)
#define AFE_DMIC_UL_CON0_VOCIE_MODE_48K AFE_DMIC_UL_VOICE_MODE(3)
#define AFE_DMIC_UL_CON0_VOCIE_MODE_96K AFE_DMIC_UL_VOICE_MODE(4)
+#define AFE_DMIC_UL_SRC_CON0_UL_IIR_MODE_CTL(x) (((x) & GENMASK(2, 0)) << 7)
#define AFE_DMIC_UL_SRC_CON0_UL_IIR_MODE_CTL_MASK GENMASK(9, 7)
#define AFE_DMIC_UL_SRC_CON0_UL_IIR_ON_TMP_CTL BIT(10)
#define AFE_DMIC_UL_SRC_CON0_UL_SDM_3_LEVEL_CTL BIT(1)
@@ -2944,6 +2956,7 @@
/* DMIC_GAINx_CON0 */
#define DMIC_GAIN_CON0_GAIN_ON BIT(0)
+#define DMIC_GAIN_CON0_SAMPLE_PER_STEP_SHIFT 8
#define DMIC_GAIN_CON0_SAMPLE_PER_STEP_MASK GENMASK(15, 8)
/* DMIC_GAINx_CON1 */