Message-ID: <20221021082719.18325-5-trevor.wu@mediatek.com>
Date:   Fri, 21 Oct 2022 16:27:11 +0800
From:   Trevor Wu <trevor.wu@...iatek.com>
To:     <broonie@...nel.org>, <tiwai@...e.com>, <robh+dt@...nel.org>,
        <matthias.bgg@...il.com>, <p.zabel@...gutronix.de>
CC:     <trevor.wu@...iatek.com>,
        <angelogioacchino.delregno@...labora.com>,
        <Project_Global_Chrome_Upstream_Group@...iatek.com>,
        <alsa-devel@...a-project.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>
Subject: [PATCH v2 04/12] ASoC: mediatek: mt8188: support adda in platform driver

Add mt8188 adda dai driver support.

Signed-off-by: Trevor Wu <trevor.wu@...iatek.com>
---
 sound/soc/mediatek/mt8188/mt8188-dai-adda.c | 631 ++++++++++++++++++++
 1 file changed, 631 insertions(+)
 create mode 100644 sound/soc/mediatek/mt8188/mt8188-dai-adda.c

diff --git a/sound/soc/mediatek/mt8188/mt8188-dai-adda.c b/sound/soc/mediatek/mt8188/mt8188-dai-adda.c
new file mode 100644
index 000000000000..3c61abe2f9d2
--- /dev/null
+++ b/sound/soc/mediatek/mt8188/mt8188-dai-adda.c
@@ -0,0 +1,631 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * MediaTek ALSA SoC Audio DAI ADDA Control
+ *
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Bicycle Tsai <bicycle.tsai@...iatek.com>
+ *         Trevor Wu <trevor.wu@...iatek.com>
+ *         Chun-Chia Chiu <chun-chia.chiu@...iatek.com>
+ */
+
+#include <linux/delay.h>
+#include <linux/regmap.h>
+#include "mt8188-afe-clk.h"
+#include "mt8188-afe-common.h"
+#include "mt8188-reg.h"
+
+#define ADDA_HIRES_THRES 48000
+
+enum {
+	SUPPLY_SEQ_CLOCK_SEL,
+	SUPPLY_SEQ_ADDA_DL_ON,
+	SUPPLY_SEQ_ADDA_MTKAIF_CFG,
+	SUPPLY_SEQ_ADDA_UL_ON,
+	SUPPLY_SEQ_ADDA_AFE_ON,
+};
+
+enum {
+	MTK_AFE_ADDA_DL_RATE_8K = 0,
+	MTK_AFE_ADDA_DL_RATE_11K = 1,
+	MTK_AFE_ADDA_DL_RATE_12K = 2,
+	MTK_AFE_ADDA_DL_RATE_16K = 3,
+	MTK_AFE_ADDA_DL_RATE_22K = 4,
+	MTK_AFE_ADDA_DL_RATE_24K = 5,
+	MTK_AFE_ADDA_DL_RATE_32K = 6,
+	MTK_AFE_ADDA_DL_RATE_44K = 7,
+	MTK_AFE_ADDA_DL_RATE_48K = 8,
+	MTK_AFE_ADDA_DL_RATE_96K = 9,
+	MTK_AFE_ADDA_DL_RATE_192K = 10,
+};
+
+enum {
+	MTK_AFE_ADDA_UL_RATE_8K = 0,
+	MTK_AFE_ADDA_UL_RATE_16K = 1,
+	MTK_AFE_ADDA_UL_RATE_32K = 2,
+	MTK_AFE_ADDA_UL_RATE_48K = 3,
+	MTK_AFE_ADDA_UL_RATE_96K = 4,
+	MTK_AFE_ADDA_UL_RATE_192K = 5,
+};
+
+enum {
+	DELAY_DATA_MISO1 = 0,
+	DELAY_DATA_MISO0 = 1,
+};
+
+struct mtk_dai_adda_priv {
+	unsigned int dl_rate;
+	unsigned int ul_rate;
+};
+
+static unsigned int afe_adda_dl_rate_transform(struct mtk_base_afe *afe,
+					       unsigned int rate)
+{
+	switch (rate) {
+	case 8000:
+		return MTK_AFE_ADDA_DL_RATE_8K;
+	case 11025:
+		return MTK_AFE_ADDA_DL_RATE_11K;
+	case 12000:
+		return MTK_AFE_ADDA_DL_RATE_12K;
+	case 16000:
+		return MTK_AFE_ADDA_DL_RATE_16K;
+	case 22050:
+		return MTK_AFE_ADDA_DL_RATE_22K;
+	case 24000:
+		return MTK_AFE_ADDA_DL_RATE_24K;
+	case 32000:
+		return MTK_AFE_ADDA_DL_RATE_32K;
+	case 44100:
+		return MTK_AFE_ADDA_DL_RATE_44K;
+	case 48000:
+		return MTK_AFE_ADDA_DL_RATE_48K;
+	case 96000:
+		return MTK_AFE_ADDA_DL_RATE_96K;
+	case 192000:
+		return MTK_AFE_ADDA_DL_RATE_192K;
+	default:
+		dev_info(afe->dev, "%s(), rate %d invalid, use 48kHz!!!\n",
+			 __func__, rate);
+		return MTK_AFE_ADDA_DL_RATE_48K;
+	}
+}
+
+static unsigned int afe_adda_ul_rate_transform(struct mtk_base_afe *afe,
+					       unsigned int rate)
+{
+	switch (rate) {
+	case 8000:
+		return MTK_AFE_ADDA_UL_RATE_8K;
+	case 16000:
+		return MTK_AFE_ADDA_UL_RATE_16K;
+	case 32000:
+		return MTK_AFE_ADDA_UL_RATE_32K;
+	case 48000:
+		return MTK_AFE_ADDA_UL_RATE_48K;
+	case 96000:
+		return MTK_AFE_ADDA_UL_RATE_96K;
+	case 192000:
+		return MTK_AFE_ADDA_UL_RATE_192K;
+	default:
+		dev_info(afe->dev, "%s(), rate %d invalid, use 48kHz!!!\n",
+			 __func__, rate);
+		return MTK_AFE_ADDA_UL_RATE_48K;
+	}
+}
+
+static int mt8188_adda_mtkaif_init(struct mtk_base_afe *afe)
+{
+	struct mt8188_afe_private *afe_priv = afe->platform_priv;
+	struct mtkaif_param *param = &afe_priv->mtkaif_params;
+	int delay_data;
+	int delay_cycle;
+	unsigned int mask = 0;
+	unsigned int val = 0;
+
+	/* set rx protocol 2 & mtkaif_rxif_clkinv_adc inverse */
+	regmap_set_bits(afe->regmap, AFE_ADDA_MTKAIF_CFG0,
+			MTKAIF_RXIF_CLKINV_ADC | MTKAIF_RXIF_PROTOCOL2);
+
+	regmap_set_bits(afe->regmap, AFE_AUD_PAD_TOP, RG_RX_PROTOCOL2);
+
+	if (!param->mtkaif_calibration_ok) {
+		dev_info(afe->dev, "%s(), calibration fail\n",  __func__);
+		return 0;
+	}
+
+	/* set delay for ch1, ch2 */
+	if (param->mtkaif_phase_cycle[MT8188_MTKAIF_MISO_0] >=
+	    param->mtkaif_phase_cycle[MT8188_MTKAIF_MISO_1]) {
+		delay_data = DELAY_DATA_MISO1;
+		delay_cycle =
+			param->mtkaif_phase_cycle[MT8188_MTKAIF_MISO_0] -
+			param->mtkaif_phase_cycle[MT8188_MTKAIF_MISO_1];
+	} else {
+		delay_data = DELAY_DATA_MISO0;
+		delay_cycle =
+			param->mtkaif_phase_cycle[MT8188_MTKAIF_MISO_1] -
+			param->mtkaif_phase_cycle[MT8188_MTKAIF_MISO_0];
+	}
+
+	val = 0;
+	mask = (MTKAIF_RXIF_DELAY_DATA | MTKAIF_RXIF_DELAY_CYCLE_MASK);
+	val |= FIELD_PREP(MTKAIF_RXIF_DELAY_CYCLE_MASK, delay_cycle);
+	val |= FIELD_PREP(MTKAIF_RXIF_DELAY_DATA, delay_data);
+	regmap_update_bits(afe->regmap, AFE_ADDA_MTKAIF_RX_CFG2, mask, val);
+
+	return 0;
+}
+
+static int mtk_adda_mtkaif_cfg_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_dbg(afe->dev, "%s(), name %s, event 0x%x\n",
+		__func__, w->name, event);
+
+	switch (event) {
+	case SND_SOC_DAPM_PRE_PMU:
+		mt8188_adda_mtkaif_init(afe);
+		break;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+static int mtk_adda_dl_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_dbg(afe->dev, "%s(), name %s, event 0x%x\n",
+		__func__, w->name, event);
+
+	switch (event) {
+	case SND_SOC_DAPM_POST_PMD:
+		/* should delayed 1/fs(smallest is 8k) = 125us before afe off */
+		usleep_range(125, 135);
+		break;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+static void mtk_adda_ul_mictype(struct mtk_base_afe *afe, bool dmic)
+{
+	unsigned int reg = AFE_ADDA_UL_SRC_CON0;
+	unsigned int val;
+
+	val = (UL_SDM3_LEVEL_CTL | UL_MODE_3P25M_CH1_CTL |
+	       UL_MODE_3P25M_CH2_CTL);
+
+	/* turn on dmic, ch1, ch2 */
+	if (dmic)
+		regmap_set_bits(afe->regmap, reg, val);
+	else
+		regmap_clear_bits(afe->regmap, reg, val);
+}
+
+static int mtk_adda_ul_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 mtkaif_param *param = &afe_priv->mtkaif_params;
+
+	dev_dbg(afe->dev, "%s(), name %s, event 0x%x\n",
+		__func__, w->name, event);
+
+	switch (event) {
+	case SND_SOC_DAPM_PRE_PMU:
+		mtk_adda_ul_mictype(afe, param->mtkaif_dmic_on);
+		break;
+	case SND_SOC_DAPM_POST_PMD:
+		/* should delayed 1/fs(smallest is 8k) = 125us before afe off */
+		usleep_range(125, 135);
+		break;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+static int mtk_audio_hires_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 clk *clk = afe_priv->clk[MT8188_CLK_TOP_AUDIO_H_SEL];
+	struct clk *clk_parent;
+
+	dev_dbg(afe->dev, "%s(), name %s, event 0x%x\n",
+		__func__, w->name, event);
+
+	switch (event) {
+	case SND_SOC_DAPM_PRE_PMU:
+		clk_parent = afe_priv->clk[MT8188_CLK_TOP_APLL1];
+		break;
+	case SND_SOC_DAPM_POST_PMD:
+		clk_parent = afe_priv->clk[MT8188_CLK_XTAL_26M];
+		break;
+	default:
+		return 0;
+	}
+	mt8188_afe_set_clk_parent(afe, clk, clk_parent);
+
+	return 0;
+}
+
+static int mtk_afe_adc_hires_connect(struct snd_soc_dapm_widget *source,
+				     struct snd_soc_dapm_widget *sink)
+{
+	struct snd_soc_dapm_widget *w = source;
+	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_adda_priv *adda_priv;
+
+	adda_priv = afe_priv->dai_priv[MT8188_AFE_IO_ADDA];
+
+	if (!adda_priv) {
+		dev_err(afe->dev, "%s adda_priv == NULL", __func__);
+		return 0;
+	}
+
+	return !!(adda_priv->ul_rate > ADDA_HIRES_THRES);
+}
+
+static int mtk_afe_dac_hires_connect(struct snd_soc_dapm_widget *source,
+				     struct snd_soc_dapm_widget *sink)
+{
+	struct snd_soc_dapm_widget *w = source;
+	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_adda_priv *adda_priv;
+
+	adda_priv = afe_priv->dai_priv[MT8188_AFE_IO_ADDA];
+
+	if (!adda_priv) {
+		dev_err(afe->dev, "%s adda_priv == NULL", __func__);
+		return 0;
+	}
+
+	return !!(adda_priv->dl_rate > ADDA_HIRES_THRES);
+}
+
+static const struct snd_kcontrol_new mtk_dai_adda_o176_mix[] = {
+	SOC_DAPM_SINGLE_AUTODISABLE("I000 Switch", AFE_CONN176, 0, 1, 0),
+	SOC_DAPM_SINGLE_AUTODISABLE("I002 Switch", AFE_CONN176, 2, 1, 0),
+	SOC_DAPM_SINGLE_AUTODISABLE("I020 Switch", AFE_CONN176, 20, 1, 0),
+	SOC_DAPM_SINGLE_AUTODISABLE("I022 Switch", AFE_CONN176, 22, 1, 0),
+	SOC_DAPM_SINGLE_AUTODISABLE("I070 Switch", AFE_CONN176_2, 6, 1, 0),
+};
+
+static const struct snd_kcontrol_new mtk_dai_adda_o177_mix[] = {
+	SOC_DAPM_SINGLE_AUTODISABLE("I001 Switch", AFE_CONN177, 1, 1, 0),
+	SOC_DAPM_SINGLE_AUTODISABLE("I003 Switch", AFE_CONN177, 3, 1, 0),
+	SOC_DAPM_SINGLE_AUTODISABLE("I021 Switch", AFE_CONN177, 21, 1, 0),
+	SOC_DAPM_SINGLE_AUTODISABLE("I023 Switch", AFE_CONN177, 23, 1, 0),
+	SOC_DAPM_SINGLE_AUTODISABLE("I071 Switch", AFE_CONN177_2, 7, 1, 0),
+};
+
+static const char * const adda_dlgain_mux_map[] = {
+	"Bypass", "Connect",
+};
+
+static SOC_ENUM_SINGLE_DECL(adda_dlgain_mux_map_enum,
+			    SND_SOC_NOPM, 0,
+			    adda_dlgain_mux_map);
+
+static const struct snd_kcontrol_new adda_dlgain_mux_control =
+	SOC_DAPM_ENUM("DL_GAIN_MUX", adda_dlgain_mux_map_enum);
+
+static const struct snd_soc_dapm_widget mtk_dai_adda_widgets[] = {
+	SND_SOC_DAPM_MIXER("I168", SND_SOC_NOPM, 0, 0, NULL, 0),
+	SND_SOC_DAPM_MIXER("I169", SND_SOC_NOPM, 0, 0, NULL, 0),
+
+	SND_SOC_DAPM_MIXER("O176", SND_SOC_NOPM, 0, 0,
+			   mtk_dai_adda_o176_mix,
+			   ARRAY_SIZE(mtk_dai_adda_o176_mix)),
+	SND_SOC_DAPM_MIXER("O177", SND_SOC_NOPM, 0, 0,
+			   mtk_dai_adda_o177_mix,
+			   ARRAY_SIZE(mtk_dai_adda_o177_mix)),
+
+	SND_SOC_DAPM_SUPPLY_S("ADDA Enable", SUPPLY_SEQ_ADDA_AFE_ON,
+			      AFE_ADDA_UL_DL_CON0,
+			      ADDA_AFE_ON_SHIFT, 0,
+			      NULL,
+			      0),
+
+	SND_SOC_DAPM_SUPPLY_S("ADDA Playback Enable", SUPPLY_SEQ_ADDA_DL_ON,
+			      AFE_ADDA_DL_SRC2_CON0,
+			      DL_2_SRC_ON_TMP_CTRL_PRE_SHIFT, 0,
+			      mtk_adda_dl_event,
+			      SND_SOC_DAPM_POST_PMD),
+
+	SND_SOC_DAPM_SUPPLY_S("ADDA Capture Enable", SUPPLY_SEQ_ADDA_UL_ON,
+			      AFE_ADDA_UL_SRC_CON0,
+			      UL_SRC_ON_TMP_CTL_SHIFT, 0,
+			      mtk_adda_ul_event,
+			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+
+	SND_SOC_DAPM_SUPPLY_S("AUDIO_HIRES", SUPPLY_SEQ_CLOCK_SEL,
+			      SND_SOC_NOPM,
+			      0, 0,
+			      mtk_audio_hires_event,
+			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+
+	SND_SOC_DAPM_SUPPLY_S("ADDA_MTKAIF_CFG", SUPPLY_SEQ_ADDA_MTKAIF_CFG,
+			      SND_SOC_NOPM,
+			      0, 0,
+			      mtk_adda_mtkaif_cfg_event,
+			      SND_SOC_DAPM_PRE_PMU),
+
+	SND_SOC_DAPM_MUX("DL_GAIN_MUX", SND_SOC_NOPM, 0, 0,
+			 &adda_dlgain_mux_control),
+
+	SND_SOC_DAPM_PGA("DL_GAIN", AFE_ADDA_DL_SRC2_CON0,
+			 DL_2_GAIN_ON_CTL_PRE_SHIFT, 0, NULL, 0),
+
+	SND_SOC_DAPM_INPUT("ADDA_INPUT"),
+	SND_SOC_DAPM_OUTPUT("ADDA_OUTPUT"),
+
+	SND_SOC_DAPM_CLOCK_SUPPLY("aud_dac"),
+	SND_SOC_DAPM_CLOCK_SUPPLY("aud_adc"),
+	SND_SOC_DAPM_CLOCK_SUPPLY("aud_dac_hires"),
+	SND_SOC_DAPM_CLOCK_SUPPLY("aud_adc_hires"),
+};
+
+static const struct snd_soc_dapm_route mtk_dai_adda_routes[] = {
+	{"ADDA Capture", NULL, "ADDA Enable"},
+	{"ADDA Capture", NULL, "ADDA Capture Enable"},
+	{"ADDA Capture", NULL, "ADDA_MTKAIF_CFG"},
+	{"ADDA Capture", NULL, "aud_adc"},
+	{"ADDA Capture", NULL, "aud_adc_hires", mtk_afe_adc_hires_connect},
+	{"aud_adc_hires", NULL, "AUDIO_HIRES"},
+
+	{"I168", NULL, "ADDA Capture"},
+	{"I169", NULL, "ADDA Capture"},
+
+	{"ADDA Playback", NULL, "ADDA Enable"},
+	{"ADDA Playback", NULL, "ADDA Playback Enable"},
+	{"ADDA Playback", NULL, "aud_dac"},
+	{"ADDA Playback", NULL, "aud_dac_hires", mtk_afe_dac_hires_connect},
+	{"aud_dac_hires", NULL, "AUDIO_HIRES"},
+
+	{"DL_GAIN", NULL, "O176"},
+	{"DL_GAIN", NULL, "O177"},
+
+	{"DL_GAIN_MUX", "Bypass", "O176"},
+	{"DL_GAIN_MUX", "Bypass", "O177"},
+	{"DL_GAIN_MUX", "Connect", "DL_GAIN"},
+
+	{"ADDA Playback", NULL, "DL_GAIN_MUX"},
+
+	{"O176", "I000 Switch", "I000"},
+	{"O177", "I001 Switch", "I001"},
+
+	{"O176", "I002 Switch", "I002"},
+	{"O177", "I003 Switch", "I003"},
+
+	{"O176", "I020 Switch", "I020"},
+	{"O177", "I021 Switch", "I021"},
+
+	{"O176", "I022 Switch", "I022"},
+	{"O177", "I023 Switch", "I023"},
+
+	{"O176", "I070 Switch", "I070"},
+	{"O177", "I071 Switch", "I071"},
+
+	{"ADDA Capture", NULL, "ADDA_INPUT"},
+	{"ADDA_OUTPUT", NULL, "ADDA Playback"},
+};
+
+static int mt8188_adda_dmic_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 mt8188_afe_private *afe_priv = afe->platform_priv;
+	struct mtkaif_param *param = &afe_priv->mtkaif_params;
+
+	ucontrol->value.integer.value[0] = param->mtkaif_dmic_on;
+	return 0;
+}
+
+static int mt8188_adda_dmic_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 mt8188_afe_private *afe_priv = afe->platform_priv;
+	struct mtkaif_param *param = &afe_priv->mtkaif_params;
+	int dmic_on;
+
+	dmic_on = !!ucontrol->value.integer.value[0];
+
+	dev_dbg(afe->dev, "%s(), kcontrol name %s, dmic_on %d\n",
+		__func__, kcontrol->id.name, dmic_on);
+
+	if (param->mtkaif_dmic_on == dmic_on)
+		return 0;
+
+	param->mtkaif_dmic_on = dmic_on;
+	return 1;
+}
+
+static const struct snd_kcontrol_new mtk_dai_adda_controls[] = {
+	SOC_SINGLE("ADDA_DL_GAIN", AFE_ADDA_DL_SRC2_CON1,
+		   DL_2_GAIN_CTL_PRE_SHIFT, 65535, 0),
+	SOC_SINGLE_BOOL_EXT("MTKAIF_DMIC Switch", 0,
+			    mt8188_adda_dmic_get, mt8188_adda_dmic_set),
+};
+
+static int mtk_dai_da_configure(struct mtk_base_afe *afe,
+				unsigned int rate, int id)
+{
+	unsigned int val = 0;
+	unsigned int mask = 0;
+
+	/* set sampling rate */
+	mask |= DL_2_INPUT_MODE_CTL_MASK;
+	val |= FIELD_PREP(DL_2_INPUT_MODE_CTL_MASK,
+			  afe_adda_dl_rate_transform(afe, rate));
+
+	/* turn off saturation */
+	mask |= DL_2_CH1_SATURATION_EN_CTL;
+	mask |= DL_2_CH2_SATURATION_EN_CTL;
+
+	/* turn off mute function */
+	mask |= DL_2_MUTE_CH1_OFF_CTL_PRE;
+	mask |= DL_2_MUTE_CH2_OFF_CTL_PRE;
+	val |= DL_2_MUTE_CH1_OFF_CTL_PRE;
+	val |= DL_2_MUTE_CH2_OFF_CTL_PRE;
+
+	/* set voice input data if input sample rate is 8k or 16k */
+	mask |= DL_2_VOICE_MODE_CTL_PRE;
+	if (rate == 8000 || rate == 16000)
+		val |= DL_2_VOICE_MODE_CTL_PRE;
+
+	regmap_update_bits(afe->regmap, AFE_ADDA_DL_SRC2_CON0, mask, val);
+
+	/* new 2nd sdm */
+	regmap_set_bits(afe->regmap, AFE_ADDA_DL_SDM_DCCOMP_CON,
+			DL_USE_NEW_2ND_SDM);
+
+	return 0;
+}
+
+static int mtk_dai_ad_configure(struct mtk_base_afe *afe,
+				unsigned int rate, int id)
+{
+	unsigned int val;
+	unsigned int mask;
+
+	mask = UL_VOICE_MODE_CTL_MASK;
+	val = FIELD_PREP(UL_VOICE_MODE_CTL_MASK,
+			 afe_adda_ul_rate_transform(afe, rate));
+
+	regmap_update_bits(afe->regmap, AFE_ADDA_UL_SRC_CON0,
+			   mask, val);
+	return 0;
+}
+
+static int mtk_dai_adda_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_adda_priv *adda_priv = afe_priv->dai_priv[dai->id];
+	unsigned int rate = params_rate(params);
+	int id = dai->id;
+	int ret = 0;
+
+	dev_dbg(afe->dev, "%s(), id %d, stream %d, rate %d\n",
+		__func__, id, substream->stream, rate);
+
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+		adda_priv->dl_rate = rate;
+		ret = mtk_dai_da_configure(afe, rate, id);
+	} else {
+		adda_priv->ul_rate = rate;
+		ret = mtk_dai_ad_configure(afe, rate, id);
+	}
+
+	return ret;
+}
+
+static const struct snd_soc_dai_ops mtk_dai_adda_ops = {
+	.hw_params = mtk_dai_adda_hw_params,
+};
+
+/* dai driver */
+#define MTK_ADDA_PLAYBACK_RATES (SNDRV_PCM_RATE_8000_48000 |\
+				 SNDRV_PCM_RATE_96000 |\
+				 SNDRV_PCM_RATE_192000)
+
+#define MTK_ADDA_CAPTURE_RATES (SNDRV_PCM_RATE_8000 |\
+				SNDRV_PCM_RATE_16000 |\
+				SNDRV_PCM_RATE_32000 |\
+				SNDRV_PCM_RATE_48000 |\
+				SNDRV_PCM_RATE_96000 |\
+				SNDRV_PCM_RATE_192000)
+
+#define MTK_ADDA_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
+			  SNDRV_PCM_FMTBIT_S24_LE |\
+			  SNDRV_PCM_FMTBIT_S32_LE)
+
+static struct snd_soc_dai_driver mtk_dai_adda_driver[] = {
+	{
+		.name = "ADDA",
+		.id = MT8188_AFE_IO_ADDA,
+		.playback = {
+			.stream_name = "ADDA Playback",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = MTK_ADDA_PLAYBACK_RATES,
+			.formats = MTK_ADDA_FORMATS,
+		},
+		.capture = {
+			.stream_name = "ADDA Capture",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = MTK_ADDA_CAPTURE_RATES,
+			.formats = MTK_ADDA_FORMATS,
+		},
+		.ops = &mtk_dai_adda_ops,
+	},
+};
+
+static int init_adda_priv_data(struct mtk_base_afe *afe)
+{
+	struct mt8188_afe_private *afe_priv = afe->platform_priv;
+	struct mtk_dai_adda_priv *adda_priv;
+
+	adda_priv = devm_kzalloc(afe->dev, sizeof(struct mtk_dai_adda_priv),
+				 GFP_KERNEL);
+	if (!adda_priv)
+		return -ENOMEM;
+
+	afe_priv->dai_priv[MT8188_AFE_IO_ADDA] = adda_priv;
+
+	return 0;
+}
+
+int mt8188_dai_adda_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_adda_driver;
+	dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_adda_driver);
+
+	dai->dapm_widgets = mtk_dai_adda_widgets;
+	dai->num_dapm_widgets = ARRAY_SIZE(mtk_dai_adda_widgets);
+	dai->dapm_routes = mtk_dai_adda_routes;
+	dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_adda_routes);
+	dai->controls = mtk_dai_adda_controls;
+	dai->num_controls = ARRAY_SIZE(mtk_dai_adda_controls);
+
+	return init_adda_priv_data(afe);
+}
-- 
2.18.0

Powered by blists - more mailing lists