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-rw-r--r--sound/soc/mediatek/mt8183/mt8183-dai-i2s.c1040
1 files changed, 1040 insertions, 0 deletions
diff --git a/sound/soc/mediatek/mt8183/mt8183-dai-i2s.c b/sound/soc/mediatek/mt8183/mt8183-dai-i2s.c
new file mode 100644
index 000000000000..777e93d70bea
--- /dev/null
+++ b/sound/soc/mediatek/mt8183/mt8183-dai-i2s.c
@@ -0,0 +1,1040 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// MediaTek ALSA SoC Audio DAI I2S Control
+//
+// Copyright (c) 2018 MediaTek Inc.
+// Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
+
+#include <linux/bitops.h>
+#include <linux/regmap.h>
+#include <sound/pcm_params.h>
+#include "mt8183-afe-clk.h"
+#include "mt8183-afe-common.h"
+#include "mt8183-interconnection.h"
+#include "mt8183-reg.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;
+
+ 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_I2S5_KCONTROL_NAME "I2S5_HD_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 I2S5_HD_EN_W_NAME "I2S5_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"
+#define I2S5_MCLK_EN_W_NAME "I2S5_MCLK_EN"
+
+static int get_i2s_id_by_name(struct mtk_base_afe *afe,
+ const char *name)
+{
+ if (strncmp(name, "I2S0", 4) == 0)
+ return MT8183_DAI_I2S_0;
+ else if (strncmp(name, "I2S1", 4) == 0)
+ return MT8183_DAI_I2S_1;
+ else if (strncmp(name, "I2S2", 4) == 0)
+ return MT8183_DAI_I2S_2;
+ else if (strncmp(name, "I2S3", 4) == 0)
+ return MT8183_DAI_I2S_3;
+ else if (strncmp(name, "I2S5", 4) == 0)
+ return MT8183_DAI_I2S_5;
+ else
+ return -EINVAL;
+}
+
+static struct mtk_afe_i2s_priv *get_i2s_priv_by_name(struct mtk_base_afe *afe,
+ const char *name)
+{
+ struct mt8183_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 mt8183_i2s_hd_str[] = {
+ "Normal", "Low_Jitter"
+};
+
+static const struct soc_enum mt8183_i2s_enum[] = {
+ SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(mt8183_i2s_hd_str),
+ mt8183_i2s_hd_str),
+};
+
+static int mt8183_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_warn(afe->dev, "%s(), i2s_priv == NULL", __func__);
+ return -EINVAL;
+ }
+
+ ucontrol->value.integer.value[0] = i2s_priv->low_jitter_en;
+
+ return 0;
+}
+
+static int mt8183_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_warn(afe->dev, "%s(), i2s_priv == NULL", __func__);
+ return -EINVAL;
+ }
+
+ i2s_priv->low_jitter_en = hd_en;
+
+ return 0;
+}
+
+static const struct snd_kcontrol_new mtk_dai_i2s_controls[] = {
+ SOC_ENUM_EXT(MTK_AFE_I2S0_KCONTROL_NAME, mt8183_i2s_enum[0],
+ mt8183_i2s_hd_get, mt8183_i2s_hd_set),
+ SOC_ENUM_EXT(MTK_AFE_I2S1_KCONTROL_NAME, mt8183_i2s_enum[0],
+ mt8183_i2s_hd_get, mt8183_i2s_hd_set),
+ SOC_ENUM_EXT(MTK_AFE_I2S2_KCONTROL_NAME, mt8183_i2s_enum[0],
+ mt8183_i2s_hd_get, mt8183_i2s_hd_set),
+ SOC_ENUM_EXT(MTK_AFE_I2S3_KCONTROL_NAME, mt8183_i2s_enum[0],
+ mt8183_i2s_hd_get, mt8183_i2s_hd_set),
+ SOC_ENUM_EXT(MTK_AFE_I2S5_KCONTROL_NAME, mt8183_i2s_enum[0],
+ mt8183_i2s_hd_get, mt8183_i2s_hd_set),
+};
+
+/* dai component */
+/* 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("ADDA_UL_CH1", AFE_CONN0,
+ I_ADDA_UL_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH1", AFE_CONN0,
+ I_PCM_1_CAP_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH1", AFE_CONN0,
+ I_PCM_2_CAP_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("ADDA_UL_CH2", AFE_CONN1,
+ I_ADDA_UL_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH1", AFE_CONN1,
+ I_PCM_1_CAP_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH1", AFE_CONN1,
+ I_PCM_2_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("PCM_2_CAP_CH2", AFE_CONN1,
+ I_PCM_2_CAP_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("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("PCM_2_CAP_CH1", AFE_CONN28,
+ I_PCM_2_CAP_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("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_2_CAP_CH1", AFE_CONN29,
+ I_PCM_2_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("PCM_2_CAP_CH2", AFE_CONN29,
+ I_PCM_2_CAP_CH2, 1, 0),
+};
+
+static const struct snd_kcontrol_new mtk_i2s5_ch1_mix[] = {
+ SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN30, I_DL1_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN30, I_DL2_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH1", AFE_CONN30, I_DL3_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN30,
+ I_ADDA_UL_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH1", AFE_CONN30,
+ I_PCM_1_CAP_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH1", AFE_CONN30,
+ I_PCM_2_CAP_CH1, 1, 0),
+};
+
+static const struct snd_kcontrol_new mtk_i2s5_ch2_mix[] = {
+ SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH2", AFE_CONN31, I_DL1_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN31, I_DL2_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH2", AFE_CONN31, I_DL3_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN31,
+ I_ADDA_UL_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH1", AFE_CONN31,
+ I_PCM_1_CAP_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH1", AFE_CONN31,
+ I_PCM_2_CAP_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH2", AFE_CONN31,
+ I_PCM_1_CAP_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH2", AFE_CONN31,
+ I_PCM_2_CAP_CH2, 1, 0),
+};
+
+enum {
+ SUPPLY_SEQ_APLL,
+ SUPPLY_SEQ_I2S_MCLK_EN,
+ SUPPLY_SEQ_I2S_HD_EN,
+ SUPPLY_SEQ_I2S_EN,
+};
+
+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)
+ mt8183_apll1_enable(afe);
+ else
+ mt8183_apll2_enable(afe);
+ break;
+ case SND_SOC_DAPM_POST_PMD:
+ if (strcmp(w->name, APLL1_W_NAME) == 0)
+ mt8183_apll1_disable(afe);
+ else
+ mt8183_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_warn(afe->dev, "%s(), i2s_priv == NULL", __func__);
+ return -EINVAL;
+ }
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ mt8183_mck_enable(afe, i2s_priv->mclk_id, i2s_priv->mclk_rate);
+ break;
+ case SND_SOC_DAPM_POST_PMD:
+ i2s_priv->mclk_rate = 0;
+ mt8183_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_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)),
+
+ SND_SOC_DAPM_MIXER("I2S5_CH1", SND_SOC_NOPM, 0, 0,
+ mtk_i2s5_ch1_mix,
+ ARRAY_SIZE(mtk_i2s5_ch1_mix)),
+ SND_SOC_DAPM_MIXER("I2S5_CH2", SND_SOC_NOPM, 0, 0,
+ mtk_i2s5_ch2_mix,
+ ARRAY_SIZE(mtk_i2s5_ch2_mix)),
+
+ /* i2s en*/
+ SND_SOC_DAPM_SUPPLY_S("I2S0_EN", SUPPLY_SEQ_I2S_EN,
+ AFE_I2S_CON, I2S_EN_SFT, 0,
+ NULL, 0),
+ SND_SOC_DAPM_SUPPLY_S("I2S1_EN", SUPPLY_SEQ_I2S_EN,
+ AFE_I2S_CON1, I2S_EN_SFT, 0,
+ NULL, 0),
+ SND_SOC_DAPM_SUPPLY_S("I2S2_EN", SUPPLY_SEQ_I2S_EN,
+ AFE_I2S_CON2, I2S_EN_SFT, 0,
+ NULL, 0),
+ SND_SOC_DAPM_SUPPLY_S("I2S3_EN", SUPPLY_SEQ_I2S_EN,
+ AFE_I2S_CON3, I2S_EN_SFT, 0,
+ NULL, 0),
+ SND_SOC_DAPM_SUPPLY_S("I2S5_EN", SUPPLY_SEQ_I2S_EN,
+ AFE_I2S_CON4, I2S5_EN_SFT, 0,
+ NULL, 0),
+ /* 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,
+ NULL, 0),
+ SND_SOC_DAPM_SUPPLY_S(I2S1_HD_EN_W_NAME, SUPPLY_SEQ_I2S_HD_EN,
+ AFE_I2S_CON1, I2S2_HD_EN_SFT, 0,
+ NULL, 0),
+ SND_SOC_DAPM_SUPPLY_S(I2S2_HD_EN_W_NAME, SUPPLY_SEQ_I2S_HD_EN,
+ AFE_I2S_CON2, I2S3_HD_EN_SFT, 0,
+ NULL, 0),
+ SND_SOC_DAPM_SUPPLY_S(I2S3_HD_EN_W_NAME, SUPPLY_SEQ_I2S_HD_EN,
+ AFE_I2S_CON3, I2S4_HD_EN_SFT, 0,
+ NULL, 0),
+ SND_SOC_DAPM_SUPPLY_S(I2S5_HD_EN_W_NAME, SUPPLY_SEQ_I2S_HD_EN,
+ AFE_I2S_CON4, I2S5_HD_EN_SFT, 0,
+ NULL, 0),
+
+ /* 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),
+ SND_SOC_DAPM_SUPPLY_S(I2S5_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),
+};
+
+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_warn(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_warn(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_warn(afe->dev, "%s(), i2s_priv == NULL", __func__);
+ return 0;
+ }
+
+ /* which apll */
+ cur_apll = mt8183_get_apll_by_name(afe, source->name);
+
+ /* choose APLL from i2s rate */
+ i2s_need_apll = mt8183_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_warn(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_warn(afe->dev, "%s(), i2s_priv == NULL", __func__);
+ return 0;
+ }
+
+ /* which apll */
+ cur_apll = mt8183_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[] = {
+ /* 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, "I2S5_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", NULL, I2S5_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", NULL, I2S5_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", 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, "I2S5_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", NULL, I2S5_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", NULL, I2S5_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, "I2S5_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", NULL, I2S5_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", NULL, I2S5_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", 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, "I2S5_EN", mtk_afe_i2s_share_connect},
+
+ {"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", NULL, I2S5_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", NULL, I2S5_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},
+
+ /* i2s5 */
+ {"I2S5_CH1", "DL1_CH1", "DL1"},
+ {"I2S5_CH2", "DL1_CH2", "DL1"},
+
+ {"I2S5_CH1", "DL2_CH1", "DL2"},
+ {"I2S5_CH2", "DL2_CH2", "DL2"},
+
+ {"I2S5_CH1", "DL3_CH1", "DL3"},
+ {"I2S5_CH2", "DL3_CH2", "DL3"},
+
+ {"I2S5", NULL, "I2S5_CH1"},
+ {"I2S5", NULL, "I2S5_CH2"},
+
+ {"I2S5", NULL, "I2S0_EN", mtk_afe_i2s_share_connect},
+ {"I2S5", NULL, "I2S1_EN", mtk_afe_i2s_share_connect},
+ {"I2S5", NULL, "I2S2_EN", mtk_afe_i2s_share_connect},
+ {"I2S5", NULL, "I2S3_EN", mtk_afe_i2s_share_connect},
+ {"I2S5", NULL, "I2S5_EN"},
+
+ {"I2S5", NULL, I2S0_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
+ {"I2S5", NULL, I2S1_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
+ {"I2S5", NULL, I2S2_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
+ {"I2S5", NULL, I2S3_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
+ {"I2S5", NULL, I2S5_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
+ {I2S5_HD_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_i2s_apll_connect},
+ {I2S5_HD_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_i2s_apll_connect},
+
+ {"I2S5", NULL, I2S0_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
+ {"I2S5", NULL, I2S1_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
+ {"I2S5", NULL, I2S2_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
+ {"I2S5", NULL, I2S3_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
+ {"I2S5", NULL, I2S5_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
+ {I2S5_MCLK_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_mclk_apll_connect},
+ {I2S5_MCLK_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_mclk_apll_connect},
+};
+
+/* dai ops */
+static int mtk_dai_i2s_config(struct mtk_base_afe *afe,
+ struct snd_pcm_hw_params *params,
+ int i2s_id)
+{
+ struct mt8183_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 = mt8183_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_warn(afe->dev, "%s(), i2s_priv == NULL", __func__);
+
+ switch (i2s_id) {
+ case MT8183_DAI_I2S_0:
+ regmap_update_bits(afe->regmap, AFE_DAC_CON1,
+ I2S_MODE_MASK_SFT, rate_reg << I2S_MODE_SFT);
+ i2s_con = I2S_IN_PAD_IO_MUX << I2SIN_PAD_SEL_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,
+ 0xffffeffe, i2s_con);
+ break;
+ case MT8183_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,
+ 0xffffeffe, i2s_con);
+ break;
+ case MT8183_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,
+ 0xffffeffe, i2s_con);
+ break;
+ case MT8183_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,
+ 0xffffeffe, i2s_con);
+ break;
+ case MT8183_DAI_I2S_5:
+ i2s_con = rate_reg << I2S5_OUT_MODE_SFT;
+ i2s_con |= I2S_FMT_I2S << I2S5_FMT_SFT;
+ i2s_con |= get_i2s_wlen(format) << I2S5_WLEN_SFT;
+ regmap_update_bits(afe->regmap, AFE_I2S_CON4,
+ 0xffffeffe, i2s_con);
+ break;
+ default:
+ dev_warn(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 mt8183_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_warn(afe->dev, "%s(), i2s_priv == NULL", __func__);
+ return -EINVAL;
+ }
+
+ if (dir != SND_SOC_CLOCK_OUT) {
+ dev_warn(afe->dev, "%s(), dir != SND_SOC_CLOCK_OUT", __func__);
+ return -EINVAL;
+ }
+
+ dev_info(afe->dev, "%s(), freq %d\n", __func__, freq);
+
+ apll = mt8183_get_apll_by_rate(afe, freq);
+ apll_rate = mt8183_get_apll_rate(afe, apll);
+
+ if (freq > apll_rate) {
+ dev_warn(afe->dev, "%s(), freq > apll rate", __func__);
+ return -EINVAL;
+ }
+
+ if (apll_rate % freq != 0) {
+ dev_warn(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_warn(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_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 = "I2S0",
+ .id = MT8183_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 = MT8183_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 = MT8183_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 = MT8183_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,
+ },
+ {
+ .name = "I2S5",
+ .id = MT8183_DAI_I2S_5,
+ .playback = {
+ .stream_name = "I2S5",
+ .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_I2S5,
+ DAI_I2S_NUM,
+};
+
+static const struct mtk_afe_i2s_priv mt8183_i2s_priv[DAI_I2S_NUM] = {
+ [DAI_I2S0] = {
+ .id = MT8183_DAI_I2S_0,
+ .mclk_id = MT8183_I2S0_MCK,
+ .share_property_name = "i2s0-share",
+ .share_i2s_id = -1,
+ },
+ [DAI_I2S1] = {
+ .id = MT8183_DAI_I2S_1,
+ .mclk_id = MT8183_I2S1_MCK,
+ .share_property_name = "i2s1-share",
+ .share_i2s_id = -1,
+ },
+ [DAI_I2S2] = {
+ .id = MT8183_DAI_I2S_2,
+ .mclk_id = MT8183_I2S2_MCK,
+ .share_property_name = "i2s2-share",
+ .share_i2s_id = -1,
+ },
+ [DAI_I2S3] = {
+ .id = MT8183_DAI_I2S_3,
+ .mclk_id = MT8183_I2S3_MCK,
+ .share_property_name = "i2s3-share",
+ .share_i2s_id = -1,
+ },
+ [DAI_I2S5] = {
+ .id = MT8183_DAI_I2S_5,
+ .mclk_id = MT8183_I2S5_MCK,
+ .share_property_name = "i2s5-share",
+ .share_i2s_id = -1,
+ },
+};
+
+static int mt8183_dai_i2s_get_share(struct mtk_base_afe *afe)
+{
+ struct mt8183_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[mt8183_i2s_priv[i].id];
+ property_name = mt8183_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 mt8183_dai_i2s_set_priv(struct mtk_base_afe *afe)
+{
+ struct mt8183_afe_private *afe_priv = afe->platform_priv;
+ struct mtk_afe_i2s_priv *i2s_priv;
+ int i;
+
+ for (i = 0; i < DAI_I2S_NUM; i++) {
+ i2s_priv = devm_kzalloc(afe->dev,
+ sizeof(struct mtk_afe_i2s_priv),
+ GFP_KERNEL);
+ if (!i2s_priv)
+ return -ENOMEM;
+
+ memcpy(i2s_priv, &mt8183_i2s_priv[i],
+ sizeof(struct mtk_afe_i2s_priv));
+
+ afe_priv->dai_priv[mt8183_i2s_priv[i].id] = i2s_priv;
+ }
+
+ return 0;
+}
+
+int mt8183_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 = mt8183_dai_i2s_set_priv(afe);
+ if (ret)
+ return ret;
+
+ /* parse share i2s */
+ ret = mt8183_dai_i2s_get_share(afe);
+ if (ret)
+ return ret;
+
+ return 0;
+}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.