// SPDX-License-Identifier: GPL-2.0 // // MediaTek ALSA SoC Audio DAI TDM Control // // Copyright (c) 2022 MediaTek Inc. // Author: Jiaxin Yu #include #include #include "mt8186-afe-clk.h" #include "mt8186-afe-common.h" #include "mt8186-afe-gpio.h" #include "mt8186-interconnection.h" #define TDM_HD_EN_W_NAME "TDM_HD_EN" #define TDM_MCLK_EN_W_NAME "TDM_MCLK_EN" #define MTK_AFE_TDM_KCONTROL_NAME "TDM_HD_Mux" struct mtk_afe_tdm_priv { unsigned int id; unsigned int rate; /* for determine which apll to use */ unsigned int bck_invert; unsigned int lck_invert; unsigned int lrck_width; unsigned int mclk_id; unsigned int mclk_multiple; /* according to sample rate */ unsigned int mclk_rate; unsigned int mclk_apll; unsigned int tdm_mode; unsigned int data_mode; unsigned int slave_mode; unsigned int low_jitter_en; }; enum { TDM_IN_I2S = 0, TDM_IN_LJ = 1, TDM_IN_RJ = 2, TDM_IN_DSP_A = 4, TDM_IN_DSP_B = 5, }; enum { TDM_DATA_ONE_PIN = 0, TDM_DATA_MULTI_PIN, }; enum { TDM_BCK_NON_INV = 0, TDM_BCK_INV = 1, }; enum { TDM_LCK_NON_INV = 0, TDM_LCK_INV = 1, }; static unsigned int get_tdm_lrck_width(snd_pcm_format_t format, unsigned int mode) { if (mode == TDM_IN_DSP_A || mode == TDM_IN_DSP_B) return 0; return snd_pcm_format_physical_width(format) - 1; } static unsigned int get_tdm_ch_fixup(unsigned int channels) { if (channels > 4) return 8; else if (channels > 2) return 4; return 2; } static unsigned int get_tdm_ch_per_sdata(unsigned int mode, unsigned int channels) { if (mode == TDM_IN_DSP_A || mode == TDM_IN_DSP_B) return get_tdm_ch_fixup(channels); return 2; } enum { SUPPLY_SEQ_APLL, SUPPLY_SEQ_TDM_MCK_EN, SUPPLY_SEQ_TDM_HD_EN, SUPPLY_SEQ_TDM_EN, }; static int get_tdm_id_by_name(const char *name) { return MT8186_DAI_TDM_IN; } static int mtk_tdm_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 mt8186_afe_private *afe_priv = afe->platform_priv; int dai_id = get_tdm_id_by_name(w->name); struct mtk_afe_tdm_priv *tdm_priv = afe_priv->dai_priv[dai_id]; dev_dbg(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, tdm_priv->id, 0); break; case SND_SOC_DAPM_POST_PMD: mt8186_afe_gpio_request(afe->dev, false, tdm_priv->id, 0); break; default: break; } return 0; } static int mtk_tdm_mck_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 mt8186_afe_private *afe_priv = afe->platform_priv; int dai_id = get_tdm_id_by_name(w->name); struct mtk_afe_tdm_priv *tdm_priv = afe_priv->dai_priv[dai_id]; dev_dbg(cmpnt->dev, "%s(), name %s, event 0x%x, dai_id %d\n", __func__, w->name, event, dai_id); switch (event) { case SND_SOC_DAPM_PRE_PMU: mt8186_mck_enable(afe, tdm_priv->mclk_id, tdm_priv->mclk_rate); break; case SND_SOC_DAPM_POST_PMD: tdm_priv->mclk_rate = 0; mt8186_mck_disable(afe, tdm_priv->mclk_id); break; default: break; } return 0; } /* dai component */ /* tdm virtual mux to output widget */ static const char * const tdm_mux_map[] = { "Normal", "Dummy_Widget", }; static int tdm_mux_map_value[] = { 0, 1, }; static SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(tdm_mux_map_enum, SND_SOC_NOPM, 0, 1, tdm_mux_map, tdm_mux_map_value); static const struct snd_kcontrol_new tdm_in_mux_control = SOC_DAPM_ENUM("TDM In Select", tdm_mux_map_enum); static const struct snd_soc_dapm_widget mtk_dai_tdm_widgets[] = { SND_SOC_DAPM_CLOCK_SUPPLY("aud_tdm_clk"), SND_SOC_DAPM_SUPPLY_S("TDM_EN", SUPPLY_SEQ_TDM_EN, ETDM_IN1_CON0, ETDM_IN1_CON0_REG_ETDM_IN_EN_SFT, 0, mtk_tdm_en_event, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), /* tdm hd en */ SND_SOC_DAPM_SUPPLY_S(TDM_HD_EN_W_NAME, SUPPLY_SEQ_TDM_HD_EN, ETDM_IN1_CON2, ETDM_IN1_CON2_REG_CLOCK_SOURCE_SEL_SFT, 0, NULL, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_SUPPLY_S(TDM_MCLK_EN_W_NAME, SUPPLY_SEQ_TDM_MCK_EN, SND_SOC_NOPM, 0, 0, mtk_tdm_mck_en_event, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_INPUT("TDM_DUMMY_IN"), SND_SOC_DAPM_MUX("TDM_In_Mux", SND_SOC_NOPM, 0, 0, &tdm_in_mux_control), }; static int mtk_afe_tdm_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 mt8186_afe_private *afe_priv = afe->platform_priv; int dai_id = get_tdm_id_by_name(w->name); struct mtk_afe_tdm_priv *tdm_priv = afe_priv->dai_priv[dai_id]; return (tdm_priv->mclk_rate > 0) ? 1 : 0; } static int mtk_afe_tdm_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 mt8186_afe_private *afe_priv = afe->platform_priv; int dai_id = get_tdm_id_by_name(w->name); struct mtk_afe_tdm_priv *tdm_priv = afe_priv->dai_priv[dai_id]; int cur_apll; /* which apll */ cur_apll = mt8186_get_apll_by_name(afe, source->name); return (tdm_priv->mclk_apll == cur_apll) ? 1 : 0; } static int mtk_afe_tdm_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 mt8186_afe_private *afe_priv = afe->platform_priv; int dai_id = get_tdm_id_by_name(w->name); struct mtk_afe_tdm_priv *tdm_priv = afe_priv->dai_priv[dai_id]; return tdm_priv->low_jitter_en; } static int mtk_afe_tdm_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 mt8186_afe_private *afe_priv = afe->platform_priv; int dai_id = get_tdm_id_by_name(w->name); struct mtk_afe_tdm_priv *tdm_priv = afe_priv->dai_priv[dai_id]; int cur_apll; int tdm_need_apll; /* which apll */ cur_apll = mt8186_get_apll_by_name(afe, source->name); /* choose APLL from tdm rate */ tdm_need_apll = mt8186_get_apll_by_rate(afe, tdm_priv->rate); return (tdm_need_apll == cur_apll) ? 1 : 0; } /* low jitter control */ static const char * const mt8186_tdm_hd_str[] = { "Normal", "Low_Jitter" }; static const struct soc_enum mt8186_tdm_enum[] = { SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(mt8186_tdm_hd_str), mt8186_tdm_hd_str), }; static int mt8186_tdm_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 mt8186_afe_private *afe_priv = afe->platform_priv; int dai_id = get_tdm_id_by_name(kcontrol->id.name); struct mtk_afe_tdm_priv *tdm_priv = afe_priv->dai_priv[dai_id]; ucontrol->value.integer.value[0] = tdm_priv->low_jitter_en; return 0; } static int mt8186_tdm_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 mt8186_afe_private *afe_priv = afe->platform_priv; int dai_id = get_tdm_id_by_name(kcontrol->id.name); struct mtk_afe_tdm_priv *tdm_priv = afe_priv->dai_priv[dai_id]; 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_dbg(afe->dev, "%s(), kcontrol name %s, hd_en %d\n", __func__, kcontrol->id.name, hd_en); if (tdm_priv->low_jitter_en == hd_en) return 0; tdm_priv->low_jitter_en = hd_en; return 1; } static const struct snd_kcontrol_new mtk_dai_tdm_controls[] = { SOC_ENUM_EXT(MTK_AFE_TDM_KCONTROL_NAME, mt8186_tdm_enum[0], mt8186_tdm_hd_get, mt8186_tdm_hd_set), }; static const struct snd_soc_dapm_route mtk_dai_tdm_routes[] = { {"TDM IN", NULL, "aud_tdm_clk"}, {"TDM IN", NULL, "TDM_EN"}, {"TDM IN", NULL, TDM_HD_EN_W_NAME, mtk_afe_tdm_hd_connect}, {TDM_HD_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_tdm_apll_connect}, {TDM_HD_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_tdm_apll_connect}, {"TDM IN", NULL, TDM_MCLK_EN_W_NAME, mtk_afe_tdm_mclk_connect}, {TDM_MCLK_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_tdm_mclk_apll_connect}, {TDM_MCLK_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_tdm_mclk_apll_connect}, /* allow tdm on without codec on */ {"TDM IN", NULL, "TDM_In_Mux"}, {"TDM_In_Mux", "Dummy_Widget", "TDM_DUMMY_IN"}, }; /* dai ops */ static int mtk_dai_tdm_cal_mclk(struct mtk_base_afe *afe, struct mtk_afe_tdm_priv *tdm_priv, int freq) { int apll; int apll_rate; apll = mt8186_get_apll_by_rate(afe, freq); apll_rate = mt8186_get_apll_rate(afe, apll); if (!freq || freq > apll_rate) { dev_err(afe->dev, "%s(), freq(%d Hz) invalid\n", __func__, freq); return -EINVAL; } if (apll_rate % freq != 0) { dev_err(afe->dev, "%s(), APLL cannot generate %d Hz", __func__, freq); return -EINVAL; } tdm_priv->mclk_rate = freq; tdm_priv->mclk_apll = apll; return 0; } static int mtk_dai_tdm_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 mt8186_afe_private *afe_priv = afe->platform_priv; int tdm_id = dai->id; struct mtk_afe_tdm_priv *tdm_priv = afe_priv->dai_priv[tdm_id]; unsigned int tdm_mode = tdm_priv->tdm_mode; unsigned int data_mode = tdm_priv->data_mode; unsigned int rate = params_rate(params); unsigned int channels = params_channels(params); snd_pcm_format_t format = params_format(params); unsigned int bit_width = snd_pcm_format_physical_width(format); unsigned int tdm_channels = (data_mode == TDM_DATA_ONE_PIN) ? get_tdm_ch_per_sdata(tdm_mode, channels) : 2; unsigned int lrck_width = get_tdm_lrck_width(format, tdm_mode); unsigned int tdm_con = 0; bool slave_mode = tdm_priv->slave_mode; bool lrck_inv = tdm_priv->lck_invert; bool bck_inv = tdm_priv->bck_invert; unsigned int tran_rate; unsigned int tran_relatch_rate; tdm_priv->rate = rate; tran_rate = mt8186_rate_transform(afe->dev, rate, dai->id); tran_relatch_rate = mt8186_tdm_relatch_rate_transform(afe->dev, rate); /* calculate mclk_rate, if not set explicitly */ if (!tdm_priv->mclk_rate) { tdm_priv->mclk_rate = rate * tdm_priv->mclk_multiple; mtk_dai_tdm_cal_mclk(afe, tdm_priv, tdm_priv->mclk_rate); } /* ETDM_IN1_CON0 */ tdm_con |= slave_mode << ETDM_IN1_CON0_REG_SLAVE_MODE_SFT; tdm_con |= tdm_mode << ETDM_IN1_CON0_REG_FMT_SFT; tdm_con |= (bit_width - 1) << ETDM_IN1_CON0_REG_BIT_LENGTH_SFT; tdm_con |= (bit_width - 1) << ETDM_IN1_CON0_REG_WORD_LENGTH_SFT; tdm_con |= (tdm_channels - 1) << ETDM_IN1_CON0_REG_CH_NUM_SFT; /* need to disable sync mode otherwise this may cause latch data error */ tdm_con |= 0 << ETDM_IN1_CON0_REG_SYNC_MODE_SFT; /* relatch 1x en clock fix to h26m */ tdm_con |= 0 << ETDM_IN1_CON0_REG_RELATCH_1X_EN_SEL_DOMAIN_SFT; regmap_update_bits(afe->regmap, ETDM_IN1_CON0, ETDM_IN_CON0_CTRL_MASK, tdm_con); /* ETDM_IN1_CON1 */ tdm_con = 0; tdm_con |= 0 << ETDM_IN1_CON1_REG_LRCK_AUTO_MODE_SFT; tdm_con |= 1 << ETDM_IN1_CON1_PINMUX_MCLK_CTRL_OE_SFT; tdm_con |= (lrck_width - 1) << ETDM_IN1_CON1_REG_LRCK_WIDTH_SFT; regmap_update_bits(afe->regmap, ETDM_IN1_CON1, ETDM_IN_CON1_CTRL_MASK, tdm_con); /* ETDM_IN1_CON3 */ tdm_con = 0; tdm_con = ETDM_IN_CON3_FS(tran_rate); regmap_update_bits(afe->regmap, ETDM_IN1_CON3, ETDM_IN_CON3_CTRL_MASK, tdm_con); /* ETDM_IN1_CON4 */ tdm_con = 0; tdm_con = ETDM_IN_CON4_FS(tran_relatch_rate); if (slave_mode) { if (lrck_inv) tdm_con |= ETDM_IN_CON4_CON0_SLAVE_LRCK_INV; if (bck_inv) tdm_con |= ETDM_IN_CON4_CON0_SLAVE_BCK_INV; } else { if (lrck_inv) tdm_con |= ETDM_IN_CON4_CON0_MASTER_LRCK_INV; if (bck_inv) tdm_con |= ETDM_IN_CON4_CON0_MASTER_BCK_INV; } regmap_update_bits(afe->regmap, ETDM_IN1_CON4, ETDM_IN_CON4_CTRL_MASK, tdm_con); /* ETDM_IN1_CON2 */ tdm_con = 0; if (data_mode == TDM_DATA_MULTI_PIN) { tdm_con |= ETDM_IN_CON2_MULTI_IP_2CH_MODE; tdm_con |= ETDM_IN_CON2_MULTI_IP_CH(channels); } regmap_update_bits(afe->regmap, ETDM_IN1_CON2, ETDM_IN_CON2_CTRL_MASK, tdm_con); /* ETDM_IN1_CON8 */ tdm_con = 0; if (slave_mode) { tdm_con |= 1 << ETDM_IN1_CON8_REG_ETDM_USE_AFIFO_SFT; tdm_con |= 0 << ETDM_IN1_CON8_REG_AFIFO_CLOCK_DOMAIN_SEL_SFT; tdm_con |= ETDM_IN_CON8_FS(tran_relatch_rate); } else { tdm_con |= 0 << ETDM_IN1_CON8_REG_ETDM_USE_AFIFO_SFT; } regmap_update_bits(afe->regmap, ETDM_IN1_CON8, ETDM_IN_CON8_CTRL_MASK, tdm_con); return 0; } static int mtk_dai_tdm_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_tdm_priv *tdm_priv = afe_priv->dai_priv[dai->id]; if (dir != SND_SOC_CLOCK_IN) { dev_err(afe->dev, "%s(), dir != SND_SOC_CLOCK_OUT", __func__); return -EINVAL; } dev_dbg(afe->dev, "%s(), freq %d\n", __func__, freq); return mtk_dai_tdm_cal_mclk(afe, tdm_priv, freq); } static int mtk_dai_tdm_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) { struct mtk_base_afe *afe = dev_get_drvdata(dai->dev); struct mt8186_afe_private *afe_priv = afe->platform_priv; struct mtk_afe_tdm_priv *tdm_priv = afe_priv->dai_priv[dai->id]; /* DAI mode*/ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { case SND_SOC_DAIFMT_I2S: tdm_priv->tdm_mode = TDM_IN_I2S; tdm_priv->data_mode = TDM_DATA_MULTI_PIN; break; case SND_SOC_DAIFMT_LEFT_J: tdm_priv->tdm_mode = TDM_IN_LJ; tdm_priv->data_mode = TDM_DATA_MULTI_PIN; break; case SND_SOC_DAIFMT_RIGHT_J: tdm_priv->tdm_mode = TDM_IN_RJ; tdm_priv->data_mode = TDM_DATA_MULTI_PIN; break; case SND_SOC_DAIFMT_DSP_A: tdm_priv->tdm_mode = TDM_IN_DSP_A; tdm_priv->data_mode = TDM_DATA_ONE_PIN; break; case SND_SOC_DAIFMT_DSP_B: tdm_priv->tdm_mode = TDM_IN_DSP_B; tdm_priv->data_mode = TDM_DATA_ONE_PIN; break; default: dev_err(afe->dev, "%s(), invalid DAIFMT_FORMAT_MASK", __func__); return -EINVAL; } /* DAI clock inversion*/ switch (fmt & SND_SOC_DAIFMT_INV_MASK) { case SND_SOC_DAIFMT_NB_NF: tdm_priv->bck_invert = TDM_BCK_NON_INV; tdm_priv->lck_invert = TDM_LCK_NON_INV; break; case SND_SOC_DAIFMT_NB_IF: tdm_priv->bck_invert = TDM_BCK_NON_INV; tdm_priv->lck_invert = TDM_LCK_INV; break; case SND_SOC_DAIFMT_IB_NF: tdm_priv->bck_invert = TDM_BCK_INV; tdm_priv->lck_invert = TDM_LCK_NON_INV; break; case SND_SOC_DAIFMT_IB_IF: tdm_priv->bck_invert = TDM_BCK_INV; tdm_priv->lck_invert = TDM_LCK_INV; break; default: dev_err(afe->dev, "%s(), invalid DAIFMT_INV_MASK", __func__); return -EINVAL; } switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) { case SND_SOC_DAIFMT_BP_FP: tdm_priv->slave_mode = false; break; case SND_SOC_DAIFMT_BC_FC: tdm_priv->slave_mode = true; break; default: dev_err(afe->dev, "%s(), invalid DAIFMT_CLOCK_PROVIDER_MASK", __func__); return -EINVAL; } return 0; } static int mtk_dai_tdm_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width) { struct mtk_base_afe *afe = dev_get_drvdata(dai->dev); struct mt8186_afe_private *afe_priv = afe->platform_priv; struct mtk_afe_tdm_priv *tdm_priv = afe_priv->dai_priv[dai->id]; dev_dbg(dai->dev, "%s %d slot_width %d\n", __func__, dai->id, slot_width); tdm_priv->lrck_width = slot_width; return 0; } static const struct snd_soc_dai_ops mtk_dai_tdm_ops = { .hw_params = mtk_dai_tdm_hw_params, .set_sysclk = mtk_dai_tdm_set_sysclk, .set_fmt = mtk_dai_tdm_set_fmt, .set_tdm_slot = mtk_dai_tdm_set_tdm_slot, }; /* dai driver */ #define MTK_TDM_RATES (SNDRV_PCM_RATE_8000_48000 |\ SNDRV_PCM_RATE_88200 |\ SNDRV_PCM_RATE_96000 |\ SNDRV_PCM_RATE_176400 |\ SNDRV_PCM_RATE_192000) #define MTK_TDM_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\ SNDRV_PCM_FMTBIT_S24_LE |\ SNDRV_PCM_FMTBIT_S32_LE) static struct snd_soc_dai_driver mtk_dai_tdm_driver[] = { { .name = "TDM IN", .id = MT8186_DAI_TDM_IN, .capture = { .stream_name = "TDM IN", .channels_min = 2, .channels_max = 8, .rates = MTK_TDM_RATES, .formats = MTK_TDM_FORMATS, }, .ops = &mtk_dai_tdm_ops, }, }; static struct mtk_afe_tdm_priv *init_tdm_priv_data(struct mtk_base_afe *afe) { struct mtk_afe_tdm_priv *tdm_priv; tdm_priv = devm_kzalloc(afe->dev, sizeof(struct mtk_afe_tdm_priv), GFP_KERNEL); if (!tdm_priv) return NULL; tdm_priv->mclk_multiple = 512; tdm_priv->mclk_id = MT8186_TDM_MCK; tdm_priv->id = MT8186_DAI_TDM_IN; return tdm_priv; } int mt8186_dai_tdm_register(struct mtk_base_afe *afe) { struct mt8186_afe_private *afe_priv = afe->platform_priv; struct mtk_afe_tdm_priv *tdm_priv; 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_tdm_driver; dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_tdm_driver); dai->controls = mtk_dai_tdm_controls; dai->num_controls = ARRAY_SIZE(mtk_dai_tdm_controls); dai->dapm_widgets = mtk_dai_tdm_widgets; dai->num_dapm_widgets = ARRAY_SIZE(mtk_dai_tdm_widgets); dai->dapm_routes = mtk_dai_tdm_routes; dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_tdm_routes); tdm_priv = init_tdm_priv_data(afe); if (!tdm_priv) return -ENOMEM; afe_priv->dai_priv[MT8186_DAI_TDM_IN] = tdm_priv; return 0; }