[PATCH 06/15] ASoC: mediatek: mt8186: support i2s in platform driver
From: Jiaxin Yu
Date: Fri Feb 11 2022 - 05:39:37 EST
This patch adds mt8186 i2s dai driver
Signed-off-by: Jiaxin Yu <jiaxin.yu@xxxxxxxxxxxx>
---
sound/soc/mediatek/mt8186/mt8186-dai-i2s.c | 1352 ++++++++++++++++++++
1 file changed, 1352 insertions(+)
create mode 100644 sound/soc/mediatek/mt8186/mt8186-dai-i2s.c
diff --git a/sound/soc/mediatek/mt8186/mt8186-dai-i2s.c b/sound/soc/mediatek/mt8186/mt8186-dai-i2s.c
new file mode 100644
index 000000000000..e19e834f0a05
--- /dev/null
+++ b/sound/soc/mediatek/mt8186/mt8186-dai-i2s.c
@@ -0,0 +1,1352 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * MediaTek ALSA SoC Audio DAI I2S Control
+ *
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Jiaxin Yu <jiaxin.yu@xxxxxxxxxxxx>
+ */
+
+#include <linux/bitops.h>
+#include <linux/regmap.h>
+#include <sound/pcm_params.h>
+#include "mt8186-afe-clk.h"
+#include "mt8186-afe-common.h"
+#include "mt8186-afe-gpio.h"
+#include "mt8186-interconnection.h"
+
+enum {
+ I2S_FMT_EIAJ = 0,
+ I2S_FMT_I2S = 1,
+};
+
+enum {
+ I2S_WLEN_16_BIT = 0,
+ I2S_WLEN_32_BIT = 1,
+};
+
+enum {
+ I2S_HD_NORMAL = 0,
+ I2S_HD_LOW_JITTER = 1,
+};
+
+enum {
+ I2S1_SEL_O28_O29 = 0,
+ I2S1_SEL_O03_O04 = 1,
+};
+
+enum {
+ I2S_IN_PAD_CONNSYS = 0,
+ I2S_IN_PAD_IO_MUX = 1,
+};
+
+struct mtk_afe_i2s_priv {
+ int id;
+ int rate; /* for determine which apll to use */
+ int low_jitter_en;
+ int master; /* only i2s0 has slave mode*/
+
+ const char *share_property_name;
+ int share_i2s_id;
+
+ int mclk_id;
+ int mclk_rate;
+ int mclk_apll;
+};
+
+static unsigned int get_i2s_wlen(snd_pcm_format_t format)
+{
+ return snd_pcm_format_physical_width(format) <= 16 ?
+ I2S_WLEN_16_BIT : I2S_WLEN_32_BIT;
+}
+
+#define MTK_AFE_I2S0_KCONTROL_NAME "I2S0_HD_Mux"
+#define MTK_AFE_I2S1_KCONTROL_NAME "I2S1_HD_Mux"
+#define MTK_AFE_I2S2_KCONTROL_NAME "I2S2_HD_Mux"
+#define MTK_AFE_I2S3_KCONTROL_NAME "I2S3_HD_Mux"
+#define MTK_AFE_I2S0_SRC_KCONTROL_NAME "I2S0_SRC_Mux"
+
+#define I2S0_HD_EN_W_NAME "I2S0_HD_EN"
+#define I2S1_HD_EN_W_NAME "I2S1_HD_EN"
+#define I2S2_HD_EN_W_NAME "I2S2_HD_EN"
+#define I2S3_HD_EN_W_NAME "I2S3_HD_EN"
+
+#define I2S0_MCLK_EN_W_NAME "I2S0_MCLK_EN"
+#define I2S1_MCLK_EN_W_NAME "I2S1_MCLK_EN"
+#define I2S2_MCLK_EN_W_NAME "I2S2_MCLK_EN"
+#define I2S3_MCLK_EN_W_NAME "I2S3_MCLK_EN"
+
+static int get_i2s_id_by_name(struct mtk_base_afe *afe,
+ const char *name)
+{
+ if (strncmp(name, "I2S0", 4) == 0)
+ return MT8186_DAI_I2S_0;
+ else if (strncmp(name, "I2S1", 4) == 0)
+ return MT8186_DAI_I2S_1;
+ else if (strncmp(name, "I2S2", 4) == 0)
+ return MT8186_DAI_I2S_2;
+ else if (strncmp(name, "I2S3", 4) == 0)
+ return MT8186_DAI_I2S_3;
+ else
+ return -EINVAL;
+}
+
+static struct mtk_afe_i2s_priv *get_i2s_priv_by_name(struct mtk_base_afe *afe,
+ const char *name)
+{
+ struct mt8186_afe_private *afe_priv = afe->platform_priv;
+ int dai_id = get_i2s_id_by_name(afe, name);
+
+ if (dai_id < 0)
+ return NULL;
+
+ return afe_priv->dai_priv[dai_id];
+}
+
+/* low jitter control */
+static const char * const mt8186_i2s_hd_str[] = {
+ "Normal", "Low_Jitter"
+};
+
+static const struct soc_enum mt8186_i2s_enum[] = {
+ SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(mt8186_i2s_hd_str),
+ mt8186_i2s_hd_str),
+};
+
+/* clock source control */
+static const char * const mt8186_i2s_src_str[] = {
+ "Master", "Slave"
+};
+
+static const struct soc_enum mt8186_i2s_src_enum[] = {
+ SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(mt8186_i2s_src_str),
+ mt8186_i2s_src_str),
+};
+
+static int mt8186_i2s_hd_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 mtk_afe_i2s_priv *i2s_priv;
+
+ i2s_priv = get_i2s_priv_by_name(afe, kcontrol->id.name);
+
+ if (!i2s_priv) {
+ dev_info(afe->dev, "%s(), i2s_priv == NULL", __func__);
+ return -EINVAL;
+ }
+
+ ucontrol->value.integer.value[0] = i2s_priv->low_jitter_en;
+
+ return 0;
+}
+
+static int mt8186_i2s_hd_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 mtk_afe_i2s_priv *i2s_priv;
+ struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
+ int hd_en;
+
+ if (ucontrol->value.enumerated.item[0] >= e->items)
+ return -EINVAL;
+
+ hd_en = ucontrol->value.integer.value[0];
+
+ dev_info(afe->dev, "%s(), kcontrol name %s, hd_en %d\n",
+ __func__, kcontrol->id.name, hd_en);
+
+ i2s_priv = get_i2s_priv_by_name(afe, kcontrol->id.name);
+
+ if (!i2s_priv) {
+ dev_info(afe->dev, "%s(), i2s_priv == NULL", __func__);
+ return -EINVAL;
+ }
+
+ i2s_priv->low_jitter_en = hd_en;
+
+ return 0;
+}
+
+static int mt8186_i2s_src_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 mtk_afe_i2s_priv *i2s_priv;
+
+ i2s_priv = get_i2s_priv_by_name(afe, kcontrol->id.name);
+
+ if (!i2s_priv) {
+ dev_info(afe->dev, "%s(), i2s_priv == NULL", __func__);
+ return -EINVAL;
+ }
+
+ ucontrol->value.integer.value[0] = i2s_priv->master;
+
+ return 0;
+}
+
+static int mt8186_i2s_src_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 mtk_afe_i2s_priv *i2s_priv;
+ struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
+ int clk_src;
+ int dai_id;
+
+ if (ucontrol->value.enumerated.item[0] >= e->items)
+ return -EINVAL;
+
+ clk_src = ucontrol->value.integer.value[0];
+
+ dev_info(afe->dev, "%s(), kcontrol name %s, hd_en %d\n",
+ __func__, kcontrol->id.name, clk_src);
+
+ i2s_priv = get_i2s_priv_by_name(afe, kcontrol->id.name);
+ dai_id = get_i2s_id_by_name(afe, kcontrol->id.name);
+
+ if (!i2s_priv) {
+ dev_info(afe->dev, "%s(), i2s_priv == NULL", __func__);
+ return -EINVAL;
+ }
+
+ switch (dai_id) {
+ case MT8186_DAI_I2S_0:
+ regmap_update_bits(afe->regmap, AFE_I2S_CON,
+ I2S_SRC_MASK_SFT,
+ clk_src << I2S_SRC_SFT);
+ break;
+ default:
+ break;
+ }
+
+ i2s_priv->master = clk_src;
+
+ return 0;
+}
+
+static const struct snd_kcontrol_new mtk_dai_i2s_controls[] = {
+ SOC_ENUM_EXT(MTK_AFE_I2S0_KCONTROL_NAME, mt8186_i2s_enum[0],
+ mt8186_i2s_hd_get, mt8186_i2s_hd_set),
+ SOC_ENUM_EXT(MTK_AFE_I2S1_KCONTROL_NAME, mt8186_i2s_enum[0],
+ mt8186_i2s_hd_get, mt8186_i2s_hd_set),
+ SOC_ENUM_EXT(MTK_AFE_I2S2_KCONTROL_NAME, mt8186_i2s_enum[0],
+ mt8186_i2s_hd_get, mt8186_i2s_hd_set),
+ SOC_ENUM_EXT(MTK_AFE_I2S3_KCONTROL_NAME, mt8186_i2s_enum[0],
+ mt8186_i2s_hd_get, mt8186_i2s_hd_set),
+ SOC_ENUM_EXT(MTK_AFE_I2S0_SRC_KCONTROL_NAME, mt8186_i2s_src_enum[0],
+ mt8186_i2s_src_get, mt8186_i2s_src_set),
+};
+
+/* dai component */
+/* i2s virtual mux to output widget */
+static const char * const i2s_mux_map[] = {
+ "Normal", "Dummy_Widget",
+};
+
+static int i2s_mux_map_value[] = {
+ 0, 1,
+};
+
+static SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(i2s_mux_map_enum,
+ SND_SOC_NOPM,
+ 0,
+ 1,
+ i2s_mux_map,
+ i2s_mux_map_value);
+
+static const struct snd_kcontrol_new i2s0_in_mux_control =
+ SOC_DAPM_ENUM("I2S0 In Select", i2s_mux_map_enum);
+
+static const struct snd_kcontrol_new i2s1_out_mux_control =
+ SOC_DAPM_ENUM("I2S1 Out Select", i2s_mux_map_enum);
+
+static const struct snd_kcontrol_new i2s2_in_mux_control =
+ SOC_DAPM_ENUM("I2S2 In Select", i2s_mux_map_enum);
+
+static const struct snd_kcontrol_new i2s3_out_mux_control =
+ SOC_DAPM_ENUM("I2S3 Out Select", i2s_mux_map_enum);
+
+/* i2s in lpbk */
+static const char * const i2s_lpbk_mux_map[] = {
+ "Normal", "Lpbk",
+};
+
+static int i2s_lpbk_mux_map_value[] = {
+ 0, 1,
+};
+
+static SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(i2s0_lpbk_mux_map_enum,
+ AFE_I2S_CON,
+ I2S_LOOPBACK_SFT,
+ 1,
+ i2s_lpbk_mux_map,
+ i2s_lpbk_mux_map_value);
+
+static const struct snd_kcontrol_new i2s0_lpbk_mux_control =
+ SOC_DAPM_ENUM("I2S Lpbk Select", i2s0_lpbk_mux_map_enum);
+
+static SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(i2s2_lpbk_mux_map_enum,
+ AFE_I2S_CON2,
+ I2S3_LOOPBACK_SFT,
+ 1,
+ i2s_lpbk_mux_map,
+ i2s_lpbk_mux_map_value);
+
+static const struct snd_kcontrol_new i2s2_lpbk_mux_control =
+ SOC_DAPM_ENUM("I2S Lpbk Select", i2s2_lpbk_mux_map_enum);
+
+/* interconnection */
+static const struct snd_kcontrol_new mtk_i2s3_ch1_mix[] = {
+ SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN0, I_DL1_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN0, I_DL2_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH1", AFE_CONN0, I_DL3_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL12_CH1", AFE_CONN0, I_DL12_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL12_CH3", AFE_CONN0, I_DL12_CH3, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL6_CH1", AFE_CONN0_1, I_DL6_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH1", AFE_CONN0_1, I_DL4_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL5_CH1", AFE_CONN0_1, I_DL5_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL8_CH1", AFE_CONN0_1, I_DL8_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("GAIN1_OUT_CH1", AFE_CONN0,
+ I_GAIN1_OUT_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN0,
+ I_ADDA_UL_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN0,
+ I_ADDA_UL_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH3", AFE_CONN0,
+ I_ADDA_UL_CH3, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH1", AFE_CONN0,
+ I_PCM_1_CAP_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("SRC_1_OUT_CH1", AFE_CONN0_1,
+ I_SRC_1_OUT_CH1, 1, 0),
+};
+
+static const struct snd_kcontrol_new mtk_i2s3_ch2_mix[] = {
+ SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH2", AFE_CONN1, I_DL1_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN1, I_DL2_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH2", AFE_CONN1, I_DL3_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL12_CH2", AFE_CONN1, I_DL12_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL12_CH4", AFE_CONN1, I_DL12_CH4, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL6_CH2", AFE_CONN1_1, I_DL6_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH2", AFE_CONN1_1, I_DL4_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL5_CH2", AFE_CONN1_1, I_DL5_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL8_CH2", AFE_CONN1_1, I_DL8_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("GAIN1_OUT_CH2", AFE_CONN1,
+ I_GAIN1_OUT_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN1,
+ I_ADDA_UL_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN1,
+ I_ADDA_UL_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH3", AFE_CONN1,
+ I_ADDA_UL_CH3, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH1", AFE_CONN1,
+ I_PCM_1_CAP_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH2", AFE_CONN1,
+ I_PCM_1_CAP_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("SRC_1_OUT_CH2", AFE_CONN1_1,
+ I_SRC_1_OUT_CH2, 1, 0),
+};
+
+static const struct snd_kcontrol_new mtk_i2s1_ch1_mix[] = {
+ SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN28, I_DL1_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN28, I_DL2_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH1", AFE_CONN28, I_DL3_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL12_CH1", AFE_CONN28, I_DL12_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL12_CH3", AFE_CONN28, I_DL12_CH3, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL6_CH1", AFE_CONN28_1, I_DL6_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH1", AFE_CONN28_1, I_DL4_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL5_CH1", AFE_CONN28_1, I_DL5_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL8_CH1", AFE_CONN28_1, I_DL8_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("GAIN1_OUT_CH1", AFE_CONN28,
+ I_GAIN1_OUT_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN28,
+ I_ADDA_UL_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH1", AFE_CONN28,
+ I_PCM_1_CAP_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("SRC_1_OUT_CH1", AFE_CONN28_1,
+ I_SRC_1_OUT_CH1, 1, 0),
+};
+
+static const struct snd_kcontrol_new mtk_i2s1_ch2_mix[] = {
+ SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH2", AFE_CONN29, I_DL1_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN29, I_DL2_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH2", AFE_CONN29, I_DL3_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL12_CH2", AFE_CONN29, I_DL12_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL12_CH4", AFE_CONN29, I_DL12_CH4, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL6_CH2", AFE_CONN29_1, I_DL6_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH2", AFE_CONN29_1, I_DL4_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL5_CH2", AFE_CONN29_1, I_DL5_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL8_CH2", AFE_CONN29_1, I_DL8_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("GAIN1_OUT_CH2", AFE_CONN29,
+ I_GAIN1_OUT_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN29,
+ I_ADDA_UL_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH1", AFE_CONN29,
+ I_PCM_1_CAP_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH2", AFE_CONN29,
+ I_PCM_1_CAP_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("SRC_1_OUT_CH2", AFE_CONN29_1,
+ I_SRC_1_OUT_CH2, 1, 0),
+};
+
+enum {
+ SUPPLY_SEQ_APLL,
+ SUPPLY_SEQ_I2S_MCLK_EN,
+ SUPPLY_SEQ_I2S_HD_EN,
+ SUPPLY_SEQ_I2S_EN,
+};
+
+static int mtk_i2s_en_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 mtk_afe_i2s_priv *i2s_priv;
+
+ i2s_priv = get_i2s_priv_by_name(afe, w->name);
+
+ if (!i2s_priv) {
+ dev_info(afe->dev, "%s(), i2s_priv == NULL", __func__);
+ return -EINVAL;
+ }
+
+ dev_info(cmpnt->dev, "%s(), name %s, event 0x%x\n",
+ __func__, w->name, event);
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ mt8186_afe_gpio_request(afe->dev, true, i2s_priv->id, 0);
+ break;
+ case SND_SOC_DAPM_POST_PMD:
+ mt8186_afe_gpio_request(afe->dev, false, i2s_priv->id, 0);
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static int mtk_i2s_hd_en_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);
+
+ dev_info(cmpnt->dev, "%s(), name %s, event 0x%x\n",
+ __func__, w->name, event);
+
+ return 0;
+}
+
+static int mtk_apll_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);
+
+ dev_info(cmpnt->dev, "%s(), name %s, event 0x%x\n",
+ __func__, w->name, event);
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ if (strcmp(w->name, APLL1_W_NAME) == 0)
+ mt8186_apll1_enable(afe);
+ else
+ mt8186_apll2_enable(afe);
+ break;
+ case SND_SOC_DAPM_POST_PMD:
+ if (strcmp(w->name, APLL1_W_NAME) == 0)
+ mt8186_apll1_disable(afe);
+ else
+ mt8186_apll2_disable(afe);
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static int mtk_mclk_en_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 mtk_afe_i2s_priv *i2s_priv;
+
+ dev_info(cmpnt->dev, "%s(), name %s, event 0x%x\n",
+ __func__, w->name, event);
+
+ i2s_priv = get_i2s_priv_by_name(afe, w->name);
+
+ if (!i2s_priv) {
+ dev_info(afe->dev, "%s(), i2s_priv == NULL", __func__);
+ return -EINVAL;
+ }
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ mt8186_mck_enable(afe, i2s_priv->mclk_id, i2s_priv->mclk_rate);
+ break;
+ case SND_SOC_DAPM_POST_PMD:
+ i2s_priv->mclk_rate = 0;
+ mt8186_mck_disable(afe, i2s_priv->mclk_id);
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static const struct snd_soc_dapm_widget mtk_dai_i2s_widgets[] = {
+ SND_SOC_DAPM_INPUT("CONNSYS"),
+
+ SND_SOC_DAPM_MIXER("I2S1_CH1", SND_SOC_NOPM, 0, 0,
+ mtk_i2s1_ch1_mix,
+ ARRAY_SIZE(mtk_i2s1_ch1_mix)),
+ SND_SOC_DAPM_MIXER("I2S1_CH2", SND_SOC_NOPM, 0, 0,
+ mtk_i2s1_ch2_mix,
+ ARRAY_SIZE(mtk_i2s1_ch2_mix)),
+
+ SND_SOC_DAPM_MIXER("I2S3_CH1", SND_SOC_NOPM, 0, 0,
+ mtk_i2s3_ch1_mix,
+ ARRAY_SIZE(mtk_i2s3_ch1_mix)),
+ SND_SOC_DAPM_MIXER("I2S3_CH2", SND_SOC_NOPM, 0, 0,
+ mtk_i2s3_ch2_mix,
+ ARRAY_SIZE(mtk_i2s3_ch2_mix)),
+
+ /* i2s en*/
+ SND_SOC_DAPM_SUPPLY_S("I2S0_EN", SUPPLY_SEQ_I2S_EN,
+ AFE_I2S_CON, I2S_EN_SFT, 0,
+ mtk_i2s_en_event,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_SUPPLY_S("I2S1_EN", SUPPLY_SEQ_I2S_EN,
+ AFE_I2S_CON1, I2S_EN_SFT, 0,
+ mtk_i2s_en_event,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_SUPPLY_S("I2S2_EN", SUPPLY_SEQ_I2S_EN,
+ AFE_I2S_CON2, I2S_EN_SFT, 0,
+ mtk_i2s_en_event,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_SUPPLY_S("I2S3_EN", SUPPLY_SEQ_I2S_EN,
+ AFE_I2S_CON3, I2S_EN_SFT, 0,
+ mtk_i2s_en_event,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+ /* i2s hd en */
+ SND_SOC_DAPM_SUPPLY_S(I2S0_HD_EN_W_NAME, SUPPLY_SEQ_I2S_HD_EN,
+ AFE_I2S_CON, I2S1_HD_EN_SFT, 0,
+ mtk_i2s_hd_en_event,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_SUPPLY_S(I2S1_HD_EN_W_NAME, SUPPLY_SEQ_I2S_HD_EN,
+ AFE_I2S_CON1, I2S2_HD_EN_SFT, 0,
+ mtk_i2s_hd_en_event,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_SUPPLY_S(I2S2_HD_EN_W_NAME, SUPPLY_SEQ_I2S_HD_EN,
+ AFE_I2S_CON2, I2S3_HD_EN_SFT, 0,
+ mtk_i2s_hd_en_event,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_SUPPLY_S(I2S3_HD_EN_W_NAME, SUPPLY_SEQ_I2S_HD_EN,
+ AFE_I2S_CON3, I2S4_HD_EN_SFT, 0,
+ mtk_i2s_hd_en_event,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+
+ /* i2s mclk en */
+ SND_SOC_DAPM_SUPPLY_S(I2S0_MCLK_EN_W_NAME, SUPPLY_SEQ_I2S_MCLK_EN,
+ SND_SOC_NOPM, 0, 0,
+ mtk_mclk_en_event,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_SUPPLY_S(I2S1_MCLK_EN_W_NAME, SUPPLY_SEQ_I2S_MCLK_EN,
+ SND_SOC_NOPM, 0, 0,
+ mtk_mclk_en_event,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_SUPPLY_S(I2S2_MCLK_EN_W_NAME, SUPPLY_SEQ_I2S_MCLK_EN,
+ SND_SOC_NOPM, 0, 0,
+ mtk_mclk_en_event,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_SUPPLY_S(I2S3_MCLK_EN_W_NAME, SUPPLY_SEQ_I2S_MCLK_EN,
+ SND_SOC_NOPM, 0, 0,
+ mtk_mclk_en_event,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+
+ /* apll */
+ SND_SOC_DAPM_SUPPLY_S(APLL1_W_NAME, SUPPLY_SEQ_APLL,
+ SND_SOC_NOPM, 0, 0,
+ mtk_apll_event,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_SUPPLY_S(APLL2_W_NAME, SUPPLY_SEQ_APLL,
+ SND_SOC_NOPM, 0, 0,
+ mtk_apll_event,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+
+ /* allow i2s on without codec on */
+ SND_SOC_DAPM_OUTPUT("I2S_DUMMY_OUT"),
+ SND_SOC_DAPM_MUX("I2S1_Out_Mux",
+ SND_SOC_NOPM, 0, 0, &i2s1_out_mux_control),
+ SND_SOC_DAPM_MUX("I2S3_Out_Mux",
+ SND_SOC_NOPM, 0, 0, &i2s3_out_mux_control),
+ SND_SOC_DAPM_INPUT("I2S_DUMMY_IN"),
+ SND_SOC_DAPM_MUX("I2S0_In_Mux",
+ SND_SOC_NOPM, 0, 0, &i2s0_in_mux_control),
+ SND_SOC_DAPM_MUX("I2S2_In_Mux",
+ SND_SOC_NOPM, 0, 0, &i2s2_in_mux_control),
+
+ /* i2s in lpbk */
+ SND_SOC_DAPM_MUX("I2S0_Lpbk_Mux",
+ SND_SOC_NOPM, 0, 0, &i2s0_lpbk_mux_control),
+ SND_SOC_DAPM_MUX("I2S2_Lpbk_Mux",
+ SND_SOC_NOPM, 0, 0, &i2s2_lpbk_mux_control),
+};
+
+static int mtk_afe_i2s_share_connect(struct snd_soc_dapm_widget *source,
+ struct snd_soc_dapm_widget *sink)
+{
+ struct snd_soc_dapm_widget *w = sink;
+ struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
+ struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
+ struct mtk_afe_i2s_priv *i2s_priv;
+
+ i2s_priv = get_i2s_priv_by_name(afe, sink->name);
+
+ if (!i2s_priv) {
+ dev_info(afe->dev, "%s(), i2s_priv == NULL", __func__);
+ return 0;
+ }
+
+ if (i2s_priv->share_i2s_id < 0)
+ return 0;
+
+ return i2s_priv->share_i2s_id == get_i2s_id_by_name(afe, source->name);
+}
+
+static int mtk_afe_i2s_hd_connect(struct snd_soc_dapm_widget *source,
+ struct snd_soc_dapm_widget *sink)
+{
+ struct snd_soc_dapm_widget *w = sink;
+ struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
+ struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
+ struct mtk_afe_i2s_priv *i2s_priv;
+
+ i2s_priv = get_i2s_priv_by_name(afe, sink->name);
+
+ if (!i2s_priv) {
+ dev_info(afe->dev, "%s(), i2s_priv == NULL", __func__);
+ return 0;
+ }
+
+ if (get_i2s_id_by_name(afe, sink->name) ==
+ get_i2s_id_by_name(afe, source->name))
+ return i2s_priv->low_jitter_en;
+
+ /* check if share i2s need hd en */
+ if (i2s_priv->share_i2s_id < 0)
+ return 0;
+
+ if (i2s_priv->share_i2s_id == get_i2s_id_by_name(afe, source->name))
+ return i2s_priv->low_jitter_en;
+
+ return 0;
+}
+
+static int mtk_afe_i2s_apll_connect(struct snd_soc_dapm_widget *source,
+ struct snd_soc_dapm_widget *sink)
+{
+ struct snd_soc_dapm_widget *w = sink;
+ struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
+ struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
+ struct mtk_afe_i2s_priv *i2s_priv;
+ int cur_apll;
+ int i2s_need_apll;
+
+ i2s_priv = get_i2s_priv_by_name(afe, w->name);
+
+ if (!i2s_priv) {
+ dev_info(afe->dev, "%s(), i2s_priv == NULL", __func__);
+ return 0;
+ }
+
+ /* which apll */
+ cur_apll = mt8186_get_apll_by_name(afe, source->name);
+
+ /* choose APLL from i2s rate */
+ i2s_need_apll = mt8186_get_apll_by_rate(afe, i2s_priv->rate);
+
+ return (i2s_need_apll == cur_apll) ? 1 : 0;
+}
+
+static int mtk_afe_i2s_mclk_connect(struct snd_soc_dapm_widget *source,
+ struct snd_soc_dapm_widget *sink)
+{
+ struct snd_soc_dapm_widget *w = sink;
+ struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
+ struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
+ struct mtk_afe_i2s_priv *i2s_priv;
+
+ i2s_priv = get_i2s_priv_by_name(afe, sink->name);
+
+ if (!i2s_priv) {
+ dev_info(afe->dev, "%s(), i2s_priv == NULL", __func__);
+ return 0;
+ }
+
+ if (get_i2s_id_by_name(afe, sink->name) ==
+ get_i2s_id_by_name(afe, source->name))
+ return (i2s_priv->mclk_rate > 0) ? 1 : 0;
+
+ /* check if share i2s need mclk */
+ if (i2s_priv->share_i2s_id < 0)
+ return 0;
+
+ if (i2s_priv->share_i2s_id == get_i2s_id_by_name(afe, source->name))
+ return (i2s_priv->mclk_rate > 0) ? 1 : 0;
+
+ return 0;
+}
+
+static int mtk_afe_mclk_apll_connect(struct snd_soc_dapm_widget *source,
+ struct snd_soc_dapm_widget *sink)
+{
+ struct snd_soc_dapm_widget *w = sink;
+ struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
+ struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
+ struct mtk_afe_i2s_priv *i2s_priv;
+ int cur_apll;
+
+ i2s_priv = get_i2s_priv_by_name(afe, w->name);
+
+ if (!i2s_priv) {
+ dev_info(afe->dev, "%s(), i2s_priv == NULL", __func__);
+ return 0;
+ }
+
+ /* which apll */
+ cur_apll = mt8186_get_apll_by_name(afe, source->name);
+
+ return (i2s_priv->mclk_apll == cur_apll) ? 1 : 0;
+}
+
+static const struct snd_soc_dapm_route mtk_dai_i2s_routes[] = {
+ {"Connsys I2S", NULL, "CONNSYS"},
+
+ /* i2s0 */
+ {"I2S0", NULL, "I2S0_EN"},
+ {"I2S0", NULL, "I2S1_EN", mtk_afe_i2s_share_connect},
+ {"I2S0", NULL, "I2S2_EN", mtk_afe_i2s_share_connect},
+ {"I2S0", NULL, "I2S3_EN", mtk_afe_i2s_share_connect},
+
+ {"I2S0", NULL, I2S0_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
+ {"I2S0", NULL, I2S1_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
+ {"I2S0", NULL, I2S2_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
+ {"I2S0", NULL, I2S3_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
+ {I2S0_HD_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_i2s_apll_connect},
+ {I2S0_HD_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_i2s_apll_connect},
+
+ {"I2S0", NULL, I2S0_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
+ {"I2S0", NULL, I2S1_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
+ {"I2S0", NULL, I2S2_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
+ {"I2S0", NULL, I2S3_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
+ {I2S0_MCLK_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_mclk_apll_connect},
+ {I2S0_MCLK_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_mclk_apll_connect},
+
+ /* i2s1 */
+ {"I2S1_CH1", "DL1_CH1", "DL1"},
+ {"I2S1_CH2", "DL1_CH2", "DL1"},
+
+ {"I2S1_CH1", "DL2_CH1", "DL2"},
+ {"I2S1_CH2", "DL2_CH2", "DL2"},
+
+ {"I2S1_CH1", "DL3_CH1", "DL3"},
+ {"I2S1_CH2", "DL3_CH2", "DL3"},
+
+ {"I2S1_CH1", "DL12_CH1", "DL12"},
+ {"I2S1_CH2", "DL12_CH2", "DL12"},
+
+ {"I2S1_CH1", "DL12_CH3", "DL12"},
+ {"I2S1_CH2", "DL12_CH4", "DL12"},
+
+ {"I2S1_CH1", "DL6_CH1", "DL6"},
+ {"I2S1_CH2", "DL6_CH2", "DL6"},
+
+ {"I2S1_CH1", "DL4_CH1", "DL4"},
+ {"I2S1_CH2", "DL4_CH2", "DL4"},
+
+ {"I2S1_CH1", "DL5_CH1", "DL5"},
+ {"I2S1_CH2", "DL5_CH2", "DL5"},
+
+ {"I2S1_CH1", "DL8_CH1", "DL8"},
+ {"I2S1_CH2", "DL8_CH2", "DL8"},
+
+ {"I2S1", NULL, "I2S1_CH1"},
+ {"I2S1", NULL, "I2S1_CH2"},
+
+ {"I2S1", NULL, "I2S0_EN", mtk_afe_i2s_share_connect},
+ {"I2S1", NULL, "I2S1_EN"},
+ {"I2S1", NULL, "I2S2_EN", mtk_afe_i2s_share_connect},
+ {"I2S1", NULL, "I2S3_EN", mtk_afe_i2s_share_connect},
+
+ {"I2S1", NULL, I2S0_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
+ {"I2S1", NULL, I2S1_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
+ {"I2S1", NULL, I2S2_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
+ {"I2S1", NULL, I2S3_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
+ {I2S1_HD_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_i2s_apll_connect},
+ {I2S1_HD_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_i2s_apll_connect},
+
+ {"I2S1", NULL, I2S0_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
+ {"I2S1", NULL, I2S1_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
+ {"I2S1", NULL, I2S2_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
+ {"I2S1", NULL, I2S3_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
+ {I2S1_MCLK_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_mclk_apll_connect},
+ {I2S1_MCLK_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_mclk_apll_connect},
+
+ /* i2s2 */
+ {"I2S2", NULL, "I2S0_EN", mtk_afe_i2s_share_connect},
+ {"I2S2", NULL, "I2S1_EN", mtk_afe_i2s_share_connect},
+ {"I2S2", NULL, "I2S2_EN"},
+ {"I2S2", NULL, "I2S3_EN", mtk_afe_i2s_share_connect},
+
+ {"I2S2", NULL, I2S0_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
+ {"I2S2", NULL, I2S1_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
+ {"I2S2", NULL, I2S2_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
+ {"I2S2", NULL, I2S3_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
+ {I2S2_HD_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_i2s_apll_connect},
+ {I2S2_HD_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_i2s_apll_connect},
+
+ {"I2S2", NULL, I2S0_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
+ {"I2S2", NULL, I2S1_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
+ {"I2S2", NULL, I2S2_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
+ {"I2S2", NULL, I2S3_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
+ {I2S2_MCLK_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_mclk_apll_connect},
+ {I2S2_MCLK_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_mclk_apll_connect},
+
+ /* i2s3 */
+ {"I2S3_CH1", "DL1_CH1", "DL1"},
+ {"I2S3_CH2", "DL1_CH2", "DL1"},
+
+ {"I2S3_CH1", "DL2_CH1", "DL2"},
+ {"I2S3_CH2", "DL2_CH2", "DL2"},
+
+ {"I2S3_CH1", "DL3_CH1", "DL3"},
+ {"I2S3_CH2", "DL3_CH2", "DL3"},
+
+ {"I2S3_CH1", "DL12_CH1", "DL12"},
+ {"I2S3_CH2", "DL12_CH2", "DL12"},
+
+ {"I2S3_CH1", "DL12_CH3", "DL12"},
+ {"I2S3_CH2", "DL12_CH4", "DL12"},
+
+ {"I2S3_CH1", "DL6_CH1", "DL6"},
+ {"I2S3_CH2", "DL6_CH2", "DL6"},
+
+ {"I2S3_CH1", "DL4_CH1", "DL4"},
+ {"I2S3_CH2", "DL4_CH2", "DL4"},
+
+ {"I2S3_CH1", "DL5_CH1", "DL5"},
+ {"I2S3_CH2", "DL5_CH2", "DL5"},
+
+ {"I2S3_CH1", "DL8_CH1", "DL8"},
+ {"I2S3_CH2", "DL8_CH2", "DL8"},
+
+ {"I2S3", NULL, "I2S3_CH1"},
+ {"I2S3", NULL, "I2S3_CH2"},
+
+ {"I2S3", NULL, "I2S0_EN", mtk_afe_i2s_share_connect},
+ {"I2S3", NULL, "I2S1_EN", mtk_afe_i2s_share_connect},
+ {"I2S3", NULL, "I2S2_EN", mtk_afe_i2s_share_connect},
+ {"I2S3", NULL, "I2S3_EN"},
+
+ {"I2S3", NULL, I2S0_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
+ {"I2S3", NULL, I2S1_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
+ {"I2S3", NULL, I2S2_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
+ {"I2S3", NULL, I2S3_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
+ {I2S3_HD_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_i2s_apll_connect},
+ {I2S3_HD_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_i2s_apll_connect},
+
+ {"I2S3", NULL, I2S0_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
+ {"I2S3", NULL, I2S1_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
+ {"I2S3", NULL, I2S2_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
+ {"I2S3", NULL, I2S3_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
+ {I2S3_MCLK_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_mclk_apll_connect},
+ {I2S3_MCLK_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_mclk_apll_connect},
+
+ /* allow i2s on without codec on */
+ {"I2S0", NULL, "I2S0_In_Mux"},
+ {"I2S0_In_Mux", "Dummy_Widget", "I2S_DUMMY_IN"},
+
+ {"I2S1_Out_Mux", "Dummy_Widget", "I2S1"},
+ {"I2S_DUMMY_OUT", NULL, "I2S1_Out_Mux"},
+
+ {"I2S2", NULL, "I2S2_In_Mux"},
+ {"I2S2_In_Mux", "Dummy_Widget", "I2S_DUMMY_IN"},
+
+ {"I2S3_Out_Mux", "Dummy_Widget", "I2S3"},
+ {"I2S_DUMMY_OUT", NULL, "I2S3_Out_Mux"},
+
+ /* i2s in lpbk */
+ {"I2S0_Lpbk_Mux", "Lpbk", "I2S3"},
+ {"I2S2_Lpbk_Mux", "Lpbk", "I2S1"},
+ {"I2S0", NULL, "I2S0_Lpbk_Mux"},
+ {"I2S2", NULL, "I2S2_Lpbk_Mux"},
+};
+
+/* dai ops */
+static int mtk_dai_connsys_i2s_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);
+ unsigned int rate = params_rate(params);
+ unsigned int rate_reg = mt8186_rate_transform(afe->dev,
+ rate, dai->id);
+ unsigned int i2s_con = 0;
+
+ dev_info(afe->dev, "%s(), id %d, stream %d, rate %d\n",
+ __func__,
+ dai->id,
+ substream->stream,
+ rate);
+
+ /* non-inverse, i2s mode, slave, 16bits, from connsys */
+ i2s_con |= 0 << INV_PAD_CTRL_SFT;
+ i2s_con |= I2S_FMT_I2S << I2S_FMT_SFT;
+ i2s_con |= 1 << I2S_SRC_SFT;
+ i2s_con |= get_i2s_wlen(SNDRV_PCM_FORMAT_S16_LE) << I2S_WLEN_SFT;
+ i2s_con |= 0 << I2SIN_PAD_SEL_SFT;
+ regmap_write(afe->regmap, AFE_CONNSYS_I2S_CON, i2s_con);
+
+ /* use asrc */
+ regmap_update_bits(afe->regmap,
+ AFE_CONNSYS_I2S_CON,
+ I2S_BYPSRC_MASK_SFT,
+ 0x0 << I2S_BYPSRC_SFT);
+
+ /* slave mode, set i2s for asrc */
+ regmap_update_bits(afe->regmap,
+ AFE_CONNSYS_I2S_CON,
+ I2S_MODE_MASK_SFT,
+ rate_reg << I2S_MODE_SFT);
+
+ if (rate == 44100)
+ regmap_write(afe->regmap, AFE_ASRC_2CH_CON3, 0x001B9000);
+ else if (rate == 32000)
+ regmap_write(afe->regmap, AFE_ASRC_2CH_CON3, 0x140000);
+ else
+ regmap_write(afe->regmap, AFE_ASRC_2CH_CON3, 0x001E0000);
+
+ /* Calibration setting */
+ regmap_write(afe->regmap, AFE_ASRC_2CH_CON4, 0x00140000);
+ regmap_write(afe->regmap, AFE_ASRC_2CH_CON9, 0x00036000);
+ regmap_write(afe->regmap, AFE_ASRC_2CH_CON10, 0x0002FC00);
+ regmap_write(afe->regmap, AFE_ASRC_2CH_CON6, 0x00007EF4);
+ regmap_write(afe->regmap, AFE_ASRC_2CH_CON5, 0x00FF5986);
+
+ /* 0:Stereo 1:Mono */
+ regmap_update_bits(afe->regmap,
+ AFE_ASRC_2CH_CON2,
+ CHSET_IS_MONO_MASK_SFT,
+ 0x0 << CHSET_IS_MONO_SFT);
+
+ return 0;
+}
+
+static int mtk_dai_connsys_i2s_trigger(struct snd_pcm_substream *substream,
+ int cmd, struct snd_soc_dai *dai)
+{
+ struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
+ struct mt8186_afe_private *afe_priv = afe->platform_priv;
+
+ dev_info(afe->dev, "%s(), cmd %d, stream %d\n",
+ __func__,
+ cmd,
+ substream->stream);
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ case SNDRV_PCM_TRIGGER_RESUME:
+ /* i2s enable */
+ regmap_update_bits(afe->regmap,
+ AFE_CONNSYS_I2S_CON,
+ I2S_EN_MASK_SFT,
+ 0x1 << I2S_EN_SFT);
+
+ /* calibrator enable */
+ regmap_update_bits(afe->regmap,
+ AFE_ASRC_2CH_CON5,
+ CALI_EN_MASK_SFT,
+ 0x1 << CALI_EN_SFT);
+
+ /* asrc enable */
+ regmap_update_bits(afe->regmap,
+ AFE_ASRC_2CH_CON0,
+ CON0_CHSET_STR_CLR_MASK_SFT,
+ 0x1 << CON0_CHSET_STR_CLR_SFT);
+ regmap_update_bits(afe->regmap,
+ AFE_ASRC_2CH_CON0,
+ CON0_ASM_ON_MASK_SFT,
+ 0x1 << CON0_ASM_ON_SFT);
+
+ afe_priv->dai_on[dai->id] = true;
+ return 0;
+ case SNDRV_PCM_TRIGGER_STOP:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ regmap_update_bits(afe->regmap,
+ AFE_ASRC_2CH_CON0,
+ CON0_ASM_ON_MASK_SFT,
+ 0 << CON0_ASM_ON_SFT);
+ regmap_update_bits(afe->regmap,
+ AFE_ASRC_2CH_CON5,
+ CALI_EN_MASK_SFT,
+ 0 << CALI_EN_SFT);
+
+ /* i2s disable */
+ regmap_update_bits(afe->regmap,
+ AFE_CONNSYS_I2S_CON,
+ I2S_EN_MASK_SFT,
+ 0x0 << I2S_EN_SFT);
+
+ /* bypass asrc */
+ regmap_update_bits(afe->regmap,
+ AFE_CONNSYS_I2S_CON,
+ I2S_BYPSRC_MASK_SFT,
+ 0x1 << I2S_BYPSRC_SFT);
+
+ afe_priv->dai_on[dai->id] = false;
+ return 0;
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static const struct snd_soc_dai_ops mtk_dai_connsys_i2s_ops = {
+ .hw_params = mtk_dai_connsys_i2s_hw_params,
+ .trigger = mtk_dai_connsys_i2s_trigger,
+};
+
+/* i2s */
+static int mtk_dai_i2s_config(struct mtk_base_afe *afe,
+ struct snd_pcm_hw_params *params,
+ int i2s_id)
+{
+ struct mt8186_afe_private *afe_priv = afe->platform_priv;
+ struct mtk_afe_i2s_priv *i2s_priv = afe_priv->dai_priv[i2s_id];
+
+ unsigned int rate = params_rate(params);
+ unsigned int rate_reg = mt8186_rate_transform(afe->dev,
+ rate, i2s_id);
+ snd_pcm_format_t format = params_format(params);
+ unsigned int i2s_con = 0;
+ int ret = 0;
+
+ dev_info(afe->dev, "%s(), id %d, rate %d, format %d\n",
+ __func__,
+ i2s_id,
+ rate, format);
+
+ if (i2s_priv)
+ i2s_priv->rate = rate;
+ else
+ dev_info(afe->dev, "%s(), i2s_priv == NULL", __func__);
+
+ switch (i2s_id) {
+ case MT8186_DAI_I2S_0:
+ i2s_con = I2S_IN_PAD_IO_MUX << I2SIN_PAD_SEL_SFT;
+ i2s_con |= rate_reg << I2S_OUT_MODE_SFT;
+ i2s_con |= I2S_FMT_I2S << I2S_FMT_SFT;
+ i2s_con |= get_i2s_wlen(format) << I2S_WLEN_SFT;
+ regmap_update_bits(afe->regmap, AFE_I2S_CON,
+ 0xffffeffa, i2s_con);
+ break;
+ case MT8186_DAI_I2S_1:
+ i2s_con = I2S1_SEL_O28_O29 << I2S2_SEL_O03_O04_SFT;
+ i2s_con |= rate_reg << I2S2_OUT_MODE_SFT;
+ i2s_con |= I2S_FMT_I2S << I2S2_FMT_SFT;
+ i2s_con |= get_i2s_wlen(format) << I2S2_WLEN_SFT;
+ regmap_update_bits(afe->regmap, AFE_I2S_CON1,
+ 0xffffeffa, i2s_con);
+ break;
+ case MT8186_DAI_I2S_2:
+ i2s_con = 8 << I2S3_UPDATE_WORD_SFT;
+ i2s_con |= rate_reg << I2S3_OUT_MODE_SFT;
+ i2s_con |= I2S_FMT_I2S << I2S3_FMT_SFT;
+ i2s_con |= get_i2s_wlen(format) << I2S3_WLEN_SFT;
+ regmap_update_bits(afe->regmap, AFE_I2S_CON2,
+ 0xffffeffa, i2s_con);
+ break;
+ case MT8186_DAI_I2S_3:
+ i2s_con = rate_reg << I2S4_OUT_MODE_SFT;
+ i2s_con |= I2S_FMT_I2S << I2S4_FMT_SFT;
+ i2s_con |= get_i2s_wlen(format) << I2S4_WLEN_SFT;
+ regmap_update_bits(afe->regmap, AFE_I2S_CON3,
+ 0xffffeffa, i2s_con);
+ break;
+ default:
+ dev_info(afe->dev, "%s(), id %d not support\n",
+ __func__, i2s_id);
+ return -EINVAL;
+ }
+
+ /* set share i2s */
+ if (i2s_priv && i2s_priv->share_i2s_id >= 0)
+ ret = mtk_dai_i2s_config(afe, params, i2s_priv->share_i2s_id);
+
+ return ret;
+}
+
+static int mtk_dai_i2s_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);
+
+ return mtk_dai_i2s_config(afe, params, dai->id);
+}
+
+static int mtk_dai_i2s_set_sysclk(struct snd_soc_dai *dai,
+ int clk_id, unsigned int freq, int dir)
+{
+ struct mtk_base_afe *afe = dev_get_drvdata(dai->dev);
+ struct mt8186_afe_private *afe_priv = afe->platform_priv;
+ struct mtk_afe_i2s_priv *i2s_priv = afe_priv->dai_priv[dai->id];
+ int apll;
+ int apll_rate;
+
+ if (!i2s_priv) {
+ dev_info(afe->dev, "%s(), i2s_priv == NULL", __func__);
+ return -EINVAL;
+ }
+
+ if (dir != SND_SOC_CLOCK_OUT) {
+ dev_info(afe->dev, "%s(), dir != SND_SOC_CLOCK_OUT", __func__);
+ return -EINVAL;
+ }
+
+ dev_info(afe->dev, "%s(), freq %d\n", __func__, freq);
+
+ apll = mt8186_get_apll_by_rate(afe, freq);
+ apll_rate = mt8186_get_apll_rate(afe, apll);
+
+ if (freq > apll_rate) {
+ dev_info(afe->dev, "%s(), freq > apll rate", __func__);
+ return -EINVAL;
+ }
+
+ if (apll_rate % freq != 0) {
+ dev_info(afe->dev, "%s(), APLL cannot generate freq Hz", __func__);
+ return -EINVAL;
+ }
+
+ i2s_priv->mclk_rate = freq;
+ i2s_priv->mclk_apll = apll;
+
+ if (i2s_priv->share_i2s_id > 0) {
+ struct mtk_afe_i2s_priv *share_i2s_priv;
+
+ share_i2s_priv = afe_priv->dai_priv[i2s_priv->share_i2s_id];
+ if (!share_i2s_priv) {
+ dev_info(afe->dev, "%s(), share_i2s_priv == NULL", __func__);
+ return -EINVAL;
+ }
+
+ share_i2s_priv->mclk_rate = i2s_priv->mclk_rate;
+ share_i2s_priv->mclk_apll = i2s_priv->mclk_apll;
+ }
+
+ return 0;
+}
+
+static const struct snd_soc_dai_ops mtk_dai_i2s_ops = {
+ .hw_params = mtk_dai_i2s_hw_params,
+ .set_sysclk = mtk_dai_i2s_set_sysclk,
+};
+
+/* dai driver */
+#define MTK_CONNSYS_I2S_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
+
+#define MTK_I2S_RATES (SNDRV_PCM_RATE_8000_48000 |\
+ SNDRV_PCM_RATE_88200 |\
+ SNDRV_PCM_RATE_96000 |\
+ SNDRV_PCM_RATE_176400 |\
+ SNDRV_PCM_RATE_192000)
+
+#define MTK_I2S_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
+ SNDRV_PCM_FMTBIT_S24_LE |\
+ SNDRV_PCM_FMTBIT_S32_LE)
+
+static struct snd_soc_dai_driver mtk_dai_i2s_driver[] = {
+ {
+ .name = "CONNSYS_I2S",
+ .id = MT8186_DAI_CONNSYS_I2S,
+ .capture = {
+ .stream_name = "Connsys I2S",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = MTK_CONNSYS_I2S_RATES,
+ .formats = MTK_I2S_FORMATS,
+ },
+ .ops = &mtk_dai_connsys_i2s_ops,
+ },
+ {
+ .name = "I2S0",
+ .id = MT8186_DAI_I2S_0,
+ .capture = {
+ .stream_name = "I2S0",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = MTK_I2S_RATES,
+ .formats = MTK_I2S_FORMATS,
+ },
+ .ops = &mtk_dai_i2s_ops,
+ },
+ {
+ .name = "I2S1",
+ .id = MT8186_DAI_I2S_1,
+ .playback = {
+ .stream_name = "I2S1",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = MTK_I2S_RATES,
+ .formats = MTK_I2S_FORMATS,
+ },
+ .ops = &mtk_dai_i2s_ops,
+ },
+ {
+ .name = "I2S2",
+ .id = MT8186_DAI_I2S_2,
+ .capture = {
+ .stream_name = "I2S2",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = MTK_I2S_RATES,
+ .formats = MTK_I2S_FORMATS,
+ },
+ .ops = &mtk_dai_i2s_ops,
+ },
+ {
+ .name = "I2S3",
+ .id = MT8186_DAI_I2S_3,
+ .playback = {
+ .stream_name = "I2S3",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = MTK_I2S_RATES,
+ .formats = MTK_I2S_FORMATS,
+ },
+ .ops = &mtk_dai_i2s_ops,
+ }
+};
+
+/* this enum is merely for mtk_afe_i2s_priv declare */
+enum {
+ DAI_I2S0 = 0,
+ DAI_I2S1,
+ DAI_I2S2,
+ DAI_I2S3,
+ DAI_I2S_NUM,
+};
+
+static const struct mtk_afe_i2s_priv mt8186_i2s_priv[DAI_I2S_NUM] = {
+ [DAI_I2S0] = {
+ .id = MT8186_DAI_I2S_0,
+ .mclk_id = MT8186_I2S0_MCK,
+ .share_property_name = "i2s0-share",
+ .share_i2s_id = -1,
+ },
+ [DAI_I2S1] = {
+ .id = MT8186_DAI_I2S_1,
+ .mclk_id = MT8186_I2S1_MCK,
+ .share_property_name = "i2s1-share",
+ .share_i2s_id = -1,
+ },
+ [DAI_I2S2] = {
+ .id = MT8186_DAI_I2S_2,
+ .mclk_id = MT8186_I2S2_MCK,
+ .share_property_name = "i2s2-share",
+ .share_i2s_id = -1,
+ },
+ [DAI_I2S3] = {
+ .id = MT8186_DAI_I2S_3,
+ /* clock gate naming is hf_faud_i2s4_m_ck*/
+ .mclk_id = MT8186_I2S4_MCK,
+ .share_property_name = "i2s3-share",
+ .share_i2s_id = -1,
+ }
+};
+
+static int mt8186_dai_i2s_get_share(struct mtk_base_afe *afe)
+{
+ struct mt8186_afe_private *afe_priv = afe->platform_priv;
+ const struct device_node *of_node = afe->dev->of_node;
+ const char *of_str;
+ const char *property_name;
+ struct mtk_afe_i2s_priv *i2s_priv;
+ int i;
+
+ for (i = 0; i < DAI_I2S_NUM; i++) {
+ i2s_priv = afe_priv->dai_priv[mt8186_i2s_priv[i].id];
+ property_name = mt8186_i2s_priv[i].share_property_name;
+ if (of_property_read_string(of_node, property_name, &of_str))
+ continue;
+ i2s_priv->share_i2s_id = get_i2s_id_by_name(afe, of_str);
+ }
+
+ return 0;
+}
+
+static int mt8186_dai_i2s_set_priv(struct mtk_base_afe *afe)
+{
+ int i;
+ int ret;
+
+ for (i = 0; i < DAI_I2S_NUM; i++) {
+ ret = mt8186_dai_set_priv(afe, mt8186_i2s_priv[i].id,
+ sizeof(struct mtk_afe_i2s_priv),
+ &mt8186_i2s_priv[i]);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+int mt8186_dai_i2s_register(struct mtk_base_afe *afe)
+{
+ struct mtk_base_afe_dai *dai;
+ int ret;
+
+ 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_i2s_driver;
+ dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_i2s_driver);
+
+ dai->controls = mtk_dai_i2s_controls;
+ dai->num_controls = ARRAY_SIZE(mtk_dai_i2s_controls);
+ dai->dapm_widgets = mtk_dai_i2s_widgets;
+ dai->num_dapm_widgets = ARRAY_SIZE(mtk_dai_i2s_widgets);
+ dai->dapm_routes = mtk_dai_i2s_routes;
+ dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_i2s_routes);
+
+ /* set all dai i2s private data */
+ ret = mt8186_dai_i2s_set_priv(afe);
+ if (ret)
+ return ret;
+
+ /* parse share i2s */
+ ret = mt8186_dai_i2s_get_share(afe);
+ if (ret)
+ return ret;
+
+ return 0;
+}
--
2.18.0