CoCalc -- mt8192-dai-pcm.c

GitHub Repository: torvalds/linux
Path: blob/master/sound/soc/mediatek/mt8192/mt8192-dai-pcm.c
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// SPDX-License-Identifier: GPL-2.0
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//
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// MediaTek ALSA SoC Audio DAI I2S Control
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//
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// Copyright (c) 2020 MediaTek Inc.
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// Author: Shane Chien <[email protected]>
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//
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#include <linux/regmap.h>
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#include <sound/pcm_params.h>
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#include "mt8192-afe-common.h"
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#include "mt8192-interconnection.h"
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enum AUD_TX_LCH_RPT {
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	AUD_TX_LCH_RPT_NO_REPEAT = 0,
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	AUD_TX_LCH_RPT_REPEAT = 1
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};
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enum AUD_VBT_16K_MODE {
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	AUD_VBT_16K_MODE_DISABLE = 0,
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	AUD_VBT_16K_MODE_ENABLE = 1
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};
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enum AUD_EXT_MODEM {
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	AUD_EXT_MODEM_SELECT_INTERNAL = 0,
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	AUD_EXT_MODEM_SELECT_EXTERNAL = 1
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};
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enum AUD_PCM_SYNC_TYPE {
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	/* bck sync length = 1 */
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	AUD_PCM_ONE_BCK_CYCLE_SYNC = 0,
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	/* bck sync length = PCM_INTF_CON1[9:13] */
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	AUD_PCM_EXTENDED_BCK_CYCLE_SYNC = 1
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};
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enum AUD_BT_MODE {
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	AUD_BT_MODE_DUAL_MIC_ON_TX = 0,
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	AUD_BT_MODE_SINGLE_MIC_ON_TX = 1
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};
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enum AUD_PCM_AFIFO_SRC {
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	/* slave mode & external modem uses different crystal */
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	AUD_PCM_AFIFO_ASRC = 0,
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	/* slave mode & external modem uses the same crystal */
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	AUD_PCM_AFIFO_AFIFO = 1
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};
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enum AUD_PCM_CLOCK_SOURCE {
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	AUD_PCM_CLOCK_MASTER_MODE = 0,
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	AUD_PCM_CLOCK_SLAVE_MODE = 1
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};
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enum AUD_PCM_WLEN {
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	AUD_PCM_WLEN_PCM_32_BCK_CYCLES = 0,
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	AUD_PCM_WLEN_PCM_64_BCK_CYCLES = 1
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};
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enum AUD_PCM_MODE {
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	AUD_PCM_MODE_PCM_MODE_8K = 0,
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	AUD_PCM_MODE_PCM_MODE_16K = 1,
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	AUD_PCM_MODE_PCM_MODE_32K = 2,
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	AUD_PCM_MODE_PCM_MODE_48K = 3,
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};
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enum AUD_PCM_FMT {
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	AUD_PCM_FMT_I2S = 0,
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	AUD_PCM_FMT_EIAJ = 1,
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	AUD_PCM_FMT_PCM_MODE_A = 2,
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	AUD_PCM_FMT_PCM_MODE_B = 3
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};
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enum AUD_BCLK_OUT_INV {
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	AUD_BCLK_OUT_INV_NO_INVERSE = 0,
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	AUD_BCLK_OUT_INV_INVERSE = 1
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};
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enum AUD_PCM_EN {
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	AUD_PCM_EN_DISABLE = 0,
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	AUD_PCM_EN_ENABLE = 1
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};
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/* dai component */
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static const struct snd_kcontrol_new mtk_pcm_1_playback_ch1_mix[] = {
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	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN7,
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				    I_ADDA_UL_CH1, 1, 0),
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	SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN7,
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				    I_DL2_CH1, 1, 0),
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	SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH1", AFE_CONN7_1,
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				    I_DL4_CH1, 1, 0),
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};
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static const struct snd_kcontrol_new mtk_pcm_1_playback_ch2_mix[] = {
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	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN8,
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				    I_ADDA_UL_CH2, 1, 0),
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	SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN8,
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				    I_DL2_CH2, 1, 0),
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	SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH2", AFE_CONN8_1,
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				    I_DL4_CH2, 1, 0),
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};
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static const struct snd_kcontrol_new mtk_pcm_1_playback_ch4_mix[] = {
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	SOC_DAPM_SINGLE_AUTODISABLE("I2S0_CH1", AFE_CONN27,
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				    I_I2S0_CH1, 1, 0),
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	SOC_DAPM_SINGLE_AUTODISABLE("I2S0_CH2", AFE_CONN27,
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				    I_I2S0_CH2, 1, 0),
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	SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN27,
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				    I_DL1_CH1, 1, 0),
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	SOC_DAPM_SINGLE_AUTODISABLE("I2S2_CH1", AFE_CONN27,
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				    I_I2S2_CH1, 1, 0),
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	SOC_DAPM_SINGLE_AUTODISABLE("I2S2_CH2", AFE_CONN27,
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				    I_I2S2_CH2, 1, 0),
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	SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH1", AFE_CONN27_1,
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				    I_DL4_CH1, 1, 0),
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};
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static const struct snd_kcontrol_new mtk_pcm_2_playback_ch1_mix[] = {
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	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN17,
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				    I_ADDA_UL_CH1, 1, 0),
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	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN17,
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				    I_ADDA_UL_CH2, 1, 0),
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	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH3", AFE_CONN17,
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				    I_ADDA_UL_CH3, 1, 0),
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	SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN17,
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				    I_DL2_CH1, 1, 0),
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	SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH1", AFE_CONN17_1,
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				    I_DL4_CH1, 1, 0),
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};
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static const struct snd_kcontrol_new mtk_pcm_2_playback_ch2_mix[] = {
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	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN18,
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				    I_ADDA_UL_CH1, 1, 0),
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	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN18,
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				    I_ADDA_UL_CH2, 1, 0),
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	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH3", AFE_CONN18,
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				    I_ADDA_UL_CH3, 1, 0),
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	SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN18,
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				    I_DL2_CH2, 1, 0),
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	SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH2", AFE_CONN18_1,
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				    I_DL4_CH2, 1, 0),
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};
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static const struct snd_kcontrol_new mtk_pcm_2_playback_ch3_mix[] = {
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	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH3", AFE_CONN23,
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				    I_ADDA_UL_CH3, 1, 0),
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};
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static const struct snd_kcontrol_new mtk_pcm_2_playback_ch4_mix[] = {
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	SOC_DAPM_SINGLE_AUTODISABLE("I2S0_CH1", AFE_CONN24,
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				    I_I2S0_CH1, 1, 0),
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	SOC_DAPM_SINGLE_AUTODISABLE("I2S0_CH2", AFE_CONN24,
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				    I_I2S0_CH2, 1, 0),
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	SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN24,
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				    I_DL1_CH1, 1, 0),
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	SOC_DAPM_SINGLE_AUTODISABLE("I2S2_CH1", AFE_CONN24,
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				    I_I2S2_CH1, 1, 0),
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	SOC_DAPM_SINGLE_AUTODISABLE("I2S2_CH2", AFE_CONN24,
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				    I_I2S2_CH2, 1, 0),
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	SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH1", AFE_CONN24_1,
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				    I_DL4_CH1, 1, 0),
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};
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static const struct snd_kcontrol_new mtk_pcm_2_playback_ch5_mix[] = {
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	SOC_DAPM_SINGLE_AUTODISABLE("I2S0_CH2", AFE_CONN25,
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				    I_I2S0_CH2, 1, 0),
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	SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH2", AFE_CONN25,
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				    I_DL1_CH2, 1, 0),
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	SOC_DAPM_SINGLE_AUTODISABLE("I2S2_CH2", AFE_CONN25,
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				    I_I2S2_CH2, 1, 0),
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	SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH2", AFE_CONN25_1,
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				    I_DL4_CH2, 1, 0),
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};
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static int mtk_pcm_en_event(struct snd_soc_dapm_widget *w,
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			    struct snd_kcontrol *kcontrol,
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			    int event)
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{
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	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
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	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
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	dev_info(afe->dev, "%s(), name %s, event 0x%x\n",
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		 __func__, w->name, event);
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	return 0;
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}
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static const struct snd_soc_dapm_widget mtk_dai_pcm_widgets[] = {
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	/* inter-connections */
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	SND_SOC_DAPM_MIXER("PCM_1_PB_CH1", SND_SOC_NOPM, 0, 0,
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			   mtk_pcm_1_playback_ch1_mix,
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			   ARRAY_SIZE(mtk_pcm_1_playback_ch1_mix)),
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	SND_SOC_DAPM_MIXER("PCM_1_PB_CH2", SND_SOC_NOPM, 0, 0,
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			   mtk_pcm_1_playback_ch2_mix,
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			   ARRAY_SIZE(mtk_pcm_1_playback_ch2_mix)),
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	SND_SOC_DAPM_MIXER("PCM_1_PB_CH4", SND_SOC_NOPM, 0, 0,
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			   mtk_pcm_1_playback_ch4_mix,
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			   ARRAY_SIZE(mtk_pcm_1_playback_ch4_mix)),
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	SND_SOC_DAPM_MIXER("PCM_2_PB_CH1", SND_SOC_NOPM, 0, 0,
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			   mtk_pcm_2_playback_ch1_mix,
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			   ARRAY_SIZE(mtk_pcm_2_playback_ch1_mix)),
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	SND_SOC_DAPM_MIXER("PCM_2_PB_CH2", SND_SOC_NOPM, 0, 0,
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			   mtk_pcm_2_playback_ch2_mix,
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			   ARRAY_SIZE(mtk_pcm_2_playback_ch2_mix)),
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	SND_SOC_DAPM_MIXER("PCM_2_PB_CH3", SND_SOC_NOPM, 0, 0,
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			   mtk_pcm_2_playback_ch3_mix,
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			   ARRAY_SIZE(mtk_pcm_2_playback_ch3_mix)),
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	SND_SOC_DAPM_MIXER("PCM_2_PB_CH4", SND_SOC_NOPM, 0, 0,
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			   mtk_pcm_2_playback_ch4_mix,
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			   ARRAY_SIZE(mtk_pcm_2_playback_ch4_mix)),
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	SND_SOC_DAPM_MIXER("PCM_2_PB_CH5", SND_SOC_NOPM, 0, 0,
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			   mtk_pcm_2_playback_ch5_mix,
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			   ARRAY_SIZE(mtk_pcm_2_playback_ch5_mix)),
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213
	SND_SOC_DAPM_SUPPLY("PCM_1_EN",
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			    PCM_INTF_CON1, PCM_EN_SFT, 0,
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			    mtk_pcm_en_event,
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			    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
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218
	SND_SOC_DAPM_SUPPLY("PCM_2_EN",
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			    PCM2_INTF_CON, PCM2_EN_SFT, 0,
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			    mtk_pcm_en_event,
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			    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
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	SND_SOC_DAPM_INPUT("MD1_TO_AFE"),
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	SND_SOC_DAPM_INPUT("MD2_TO_AFE"),
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	SND_SOC_DAPM_OUTPUT("AFE_TO_MD1"),
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	SND_SOC_DAPM_OUTPUT("AFE_TO_MD2"),
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};
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static const struct snd_soc_dapm_route mtk_dai_pcm_routes[] = {
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	{"PCM 1 Playback", NULL, "PCM_1_PB_CH1"},
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	{"PCM 1 Playback", NULL, "PCM_1_PB_CH2"},
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	{"PCM 1 Playback", NULL, "PCM_1_PB_CH4"},
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	{"PCM 2 Playback", NULL, "PCM_2_PB_CH1"},
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	{"PCM 2 Playback", NULL, "PCM_2_PB_CH2"},
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	{"PCM 2 Playback", NULL, "PCM_2_PB_CH3"},
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	{"PCM 2 Playback", NULL, "PCM_2_PB_CH4"},
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	{"PCM 2 Playback", NULL, "PCM_2_PB_CH5"},
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239
	{"PCM 1 Playback", NULL, "PCM_1_EN"},
240
	{"PCM 2 Playback", NULL, "PCM_2_EN"},
241
	{"PCM 1 Capture", NULL, "PCM_1_EN"},
242
	{"PCM 2 Capture", NULL, "PCM_2_EN"},
243

244
	{"AFE_TO_MD1", NULL, "PCM 2 Playback"},
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	{"AFE_TO_MD2", NULL, "PCM 1 Playback"},
246
	{"PCM 2 Capture", NULL, "MD1_TO_AFE"},
247
	{"PCM 1 Capture", NULL, "MD2_TO_AFE"},
248

249
	{"PCM_1_PB_CH1", "DL2_CH1", "DL2"},
250
	{"PCM_1_PB_CH2", "DL2_CH2", "DL2"},
251
	{"PCM_1_PB_CH4", "DL1_CH1", "DL1"},
252
	{"PCM_2_PB_CH1", "DL2_CH1", "DL2"},
253
	{"PCM_2_PB_CH2", "DL2_CH2", "DL2"},
254
	{"PCM_2_PB_CH4", "DL1_CH1", "DL1"},
255

256
	{"PCM_1_PB_CH1", "DL4_CH1", "DL4"},
257
	{"PCM_1_PB_CH2", "DL4_CH2", "DL4"},
258
	{"PCM_1_PB_CH4", "DL4_CH1", "DL4"},
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	{"PCM_2_PB_CH1", "DL4_CH1", "DL4"},
260
	{"PCM_2_PB_CH2", "DL4_CH2", "DL4"},
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	{"PCM_2_PB_CH4", "DL4_CH1", "DL4"},
262
	{"PCM_1_PB_CH4", "I2S0_CH1", "I2S0"},
263
	{"PCM_2_PB_CH4", "I2S2_CH1", "I2S2"},
264
	{"PCM_2_PB_CH5", "DL1_CH2", "DL1"},
265
	{"PCM_2_PB_CH5", "DL4_CH2", "DL4"},
266
	{"PCM_2_PB_CH5", "I2S0_CH2", "I2S0"},
267
	{"PCM_2_PB_CH5", "I2S2_CH2", "I2S2"},
268
};
269

270
/* dai ops */
271
static int mtk_dai_pcm_hw_params(struct snd_pcm_substream *substream,
272
				 struct snd_pcm_hw_params *params,
273
				 struct snd_soc_dai *dai)
274
{
275
	struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
276
	struct snd_soc_dapm_widget *p = snd_soc_dai_get_widget_playback(dai);
277
	struct snd_soc_dapm_widget *c = snd_soc_dai_get_widget_capture(dai);
278
	unsigned int rate = params_rate(params);
279
	unsigned int rate_reg = mt8192_rate_transform(afe->dev, rate, dai->id);
280
	unsigned int pcm_con = 0;
281

282
	dev_info(afe->dev, "%s(), id %d, stream %d, rate %d, rate_reg %d, widget active p %d, c %d\n",
283
		 __func__,
284
		 dai->id,
285
		 substream->stream,
286
		 rate,
287
		 rate_reg,
288
		 p->active,
289
		 c->active);
290

291
	if (p->active || c->active)
292
		return 0;
293

294
	switch (dai->id) {
295
	case MT8192_DAI_PCM_1:
296
		pcm_con |= AUD_BCLK_OUT_INV_NO_INVERSE << PCM_BCLK_OUT_INV_SFT;
297
		pcm_con |= AUD_TX_LCH_RPT_NO_REPEAT << PCM_TX_LCH_RPT_SFT;
298
		pcm_con |= AUD_VBT_16K_MODE_DISABLE << PCM_VBT_16K_MODE_SFT;
299
		pcm_con |= AUD_EXT_MODEM_SELECT_INTERNAL << PCM_EXT_MODEM_SFT;
300
		pcm_con |= 0 << PCM_SYNC_LENGTH_SFT;
301
		pcm_con |= AUD_PCM_ONE_BCK_CYCLE_SYNC << PCM_SYNC_TYPE_SFT;
302
		pcm_con |= AUD_BT_MODE_DUAL_MIC_ON_TX << PCM_BT_MODE_SFT;
303
		pcm_con |= AUD_PCM_AFIFO_AFIFO << PCM_BYP_ASRC_SFT;
304
		pcm_con |= AUD_PCM_CLOCK_SLAVE_MODE << PCM_SLAVE_SFT;
305
		pcm_con |= rate_reg << PCM_MODE_SFT;
306
		pcm_con |= AUD_PCM_FMT_PCM_MODE_B << PCM_FMT_SFT;
307

308
		regmap_update_bits(afe->regmap, PCM_INTF_CON1,
309
				   0xfffffffe, pcm_con);
310
		break;
311
	case MT8192_DAI_PCM_2:
312
		pcm_con |= AUD_TX_LCH_RPT_NO_REPEAT << PCM2_TX_LCH_RPT_SFT;
313
		pcm_con |= AUD_VBT_16K_MODE_DISABLE << PCM2_VBT_16K_MODE_SFT;
314
		pcm_con |= AUD_BT_MODE_DUAL_MIC_ON_TX << PCM2_BT_MODE_SFT;
315
		pcm_con |= AUD_PCM_AFIFO_AFIFO << PCM2_AFIFO_SFT;
316
		pcm_con |= AUD_PCM_WLEN_PCM_32_BCK_CYCLES << PCM2_WLEN_SFT;
317
		pcm_con |= rate_reg << PCM2_MODE_SFT;
318
		pcm_con |= AUD_PCM_FMT_PCM_MODE_B << PCM2_FMT_SFT;
319

320
		regmap_update_bits(afe->regmap, PCM2_INTF_CON,
321
				   0xfffffffe, pcm_con);
322
		break;
323
	default:
324
		dev_warn(afe->dev, "%s(), id %d not support\n",
325
			 __func__, dai->id);
326
		return -EINVAL;
327
	}
328

329
	return 0;
330
}
331

332
static const struct snd_soc_dai_ops mtk_dai_pcm_ops = {
333
	.hw_params = mtk_dai_pcm_hw_params,
334
};
335

336
/* dai driver */
337
#define MTK_PCM_RATES (SNDRV_PCM_RATE_8000 |\
338
		       SNDRV_PCM_RATE_16000 |\
339
		       SNDRV_PCM_RATE_32000 |\
340
		       SNDRV_PCM_RATE_48000)
341

342
#define MTK_PCM_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
343
			 SNDRV_PCM_FMTBIT_S24_LE |\
344
			 SNDRV_PCM_FMTBIT_S32_LE)
345

346
static struct snd_soc_dai_driver mtk_dai_pcm_driver[] = {
347
	{
348
		.name = "PCM 1",
349
		.id = MT8192_DAI_PCM_1,
350
		.playback = {
351
			.stream_name = "PCM 1 Playback",
352
			.channels_min = 1,
353
			.channels_max = 2,
354
			.rates = MTK_PCM_RATES,
355
			.formats = MTK_PCM_FORMATS,
356
		},
357
		.capture = {
358
			.stream_name = "PCM 1 Capture",
359
			.channels_min = 1,
360
			.channels_max = 2,
361
			.rates = MTK_PCM_RATES,
362
			.formats = MTK_PCM_FORMATS,
363
		},
364
		.ops = &mtk_dai_pcm_ops,
365
		.symmetric_rate = 1,
366
		.symmetric_sample_bits = 1,
367
	},
368
	{
369
		.name = "PCM 2",
370
		.id = MT8192_DAI_PCM_2,
371
		.playback = {
372
			.stream_name = "PCM 2 Playback",
373
			.channels_min = 1,
374
			.channels_max = 2,
375
			.rates = MTK_PCM_RATES,
376
			.formats = MTK_PCM_FORMATS,
377
		},
378
		.capture = {
379
			.stream_name = "PCM 2 Capture",
380
			.channels_min = 1,
381
			.channels_max = 2,
382
			.rates = MTK_PCM_RATES,
383
			.formats = MTK_PCM_FORMATS,
384
		},
385
		.ops = &mtk_dai_pcm_ops,
386
		.symmetric_rate = 1,
387
		.symmetric_sample_bits = 1,
388
	},
389
};
390

391
int mt8192_dai_pcm_register(struct mtk_base_afe *afe)
392
{
393
	struct mtk_base_afe_dai *dai;
394

395
	dev_info(afe->dev, "%s()\n", __func__);
396

397
	dai = devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL);
398
	if (!dai)
399
		return -ENOMEM;
400

401
	list_add(&dai->list, &afe->sub_dais);
402

403
	dai->dai_drivers = mtk_dai_pcm_driver;
404
	dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_pcm_driver);
405

406
	dai->dapm_widgets = mtk_dai_pcm_widgets;
407
	dai->num_dapm_widgets = ARRAY_SIZE(mtk_dai_pcm_widgets);
408
	dai->dapm_routes = mtk_dai_pcm_routes;
409
	dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_pcm_routes);
410
	return 0;
411
}
412

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