| // 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/regmap.h> |
| #include <sound/pcm_params.h> |
| #include "mt8183-afe-common.h" |
| #include "mt8183-interconnection.h" |
| #include "mt8183-reg.h" |
| |
| enum AUD_TX_LCH_RPT { |
| AUD_TX_LCH_RPT_NO_REPEAT = 0, |
| AUD_TX_LCH_RPT_REPEAT = 1 |
| }; |
| |
| enum AUD_VBT_16K_MODE { |
| AUD_VBT_16K_MODE_DISABLE = 0, |
| AUD_VBT_16K_MODE_ENABLE = 1 |
| }; |
| |
| enum AUD_EXT_MODEM { |
| AUD_EXT_MODEM_SELECT_INTERNAL = 0, |
| AUD_EXT_MODEM_SELECT_EXTERNAL = 1 |
| }; |
| |
| enum AUD_PCM_SYNC_TYPE { |
| /* bck sync length = 1 */ |
| AUD_PCM_ONE_BCK_CYCLE_SYNC = 0, |
| /* bck sync length = PCM_INTF_CON1[9:13] */ |
| AUD_PCM_EXTENDED_BCK_CYCLE_SYNC = 1 |
| }; |
| |
| enum AUD_BT_MODE { |
| AUD_BT_MODE_DUAL_MIC_ON_TX = 0, |
| AUD_BT_MODE_SINGLE_MIC_ON_TX = 1 |
| }; |
| |
| enum AUD_PCM_AFIFO_SRC { |
| /* slave mode & external modem uses different crystal */ |
| AUD_PCM_AFIFO_ASRC = 0, |
| /* slave mode & external modem uses the same crystal */ |
| AUD_PCM_AFIFO_AFIFO = 1 |
| }; |
| |
| enum AUD_PCM_CLOCK_SOURCE { |
| AUD_PCM_CLOCK_MASTER_MODE = 0, |
| AUD_PCM_CLOCK_SLAVE_MODE = 1 |
| }; |
| |
| enum AUD_PCM_WLEN { |
| AUD_PCM_WLEN_PCM_32_BCK_CYCLES = 0, |
| AUD_PCM_WLEN_PCM_64_BCK_CYCLES = 1 |
| }; |
| |
| enum AUD_PCM_MODE { |
| AUD_PCM_MODE_PCM_MODE_8K = 0, |
| AUD_PCM_MODE_PCM_MODE_16K = 1, |
| AUD_PCM_MODE_PCM_MODE_32K = 2, |
| AUD_PCM_MODE_PCM_MODE_48K = 3, |
| }; |
| |
| enum AUD_PCM_FMT { |
| AUD_PCM_FMT_I2S = 0, |
| AUD_PCM_FMT_EIAJ = 1, |
| AUD_PCM_FMT_PCM_MODE_A = 2, |
| AUD_PCM_FMT_PCM_MODE_B = 3 |
| }; |
| |
| enum AUD_BCLK_OUT_INV { |
| AUD_BCLK_OUT_INV_NO_INVERSE = 0, |
| AUD_BCLK_OUT_INV_INVERSE = 1 |
| }; |
| |
| enum AUD_PCM_EN { |
| AUD_PCM_EN_DISABLE = 0, |
| AUD_PCM_EN_ENABLE = 1 |
| }; |
| |
| /* dai component */ |
| static const struct snd_kcontrol_new mtk_pcm_1_playback_ch1_mix[] = { |
| SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN7, |
| I_ADDA_UL_CH1, 1, 0), |
| SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN7, |
| I_DL2_CH1, 1, 0), |
| }; |
| |
| static const struct snd_kcontrol_new mtk_pcm_1_playback_ch2_mix[] = { |
| SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN8, |
| I_ADDA_UL_CH2, 1, 0), |
| SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN8, |
| I_DL2_CH2, 1, 0), |
| }; |
| |
| static const struct snd_kcontrol_new mtk_pcm_1_playback_ch4_mix[] = { |
| SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN27, |
| I_DL1_CH1, 1, 0), |
| }; |
| |
| static const struct snd_kcontrol_new mtk_pcm_2_playback_ch1_mix[] = { |
| SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN17, |
| I_ADDA_UL_CH1, 1, 0), |
| SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN17, |
| I_DL2_CH1, 1, 0), |
| }; |
| |
| static const struct snd_kcontrol_new mtk_pcm_2_playback_ch2_mix[] = { |
| SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN18, |
| I_ADDA_UL_CH2, 1, 0), |
| SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN18, |
| I_DL2_CH2, 1, 0), |
| }; |
| |
| static const struct snd_kcontrol_new mtk_pcm_2_playback_ch4_mix[] = { |
| SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN24, |
| I_DL1_CH1, 1, 0), |
| }; |
| |
| static const struct snd_soc_dapm_widget mtk_dai_pcm_widgets[] = { |
| /* inter-connections */ |
| SND_SOC_DAPM_MIXER("PCM_1_PB_CH1", SND_SOC_NOPM, 0, 0, |
| mtk_pcm_1_playback_ch1_mix, |
| ARRAY_SIZE(mtk_pcm_1_playback_ch1_mix)), |
| SND_SOC_DAPM_MIXER("PCM_1_PB_CH2", SND_SOC_NOPM, 0, 0, |
| mtk_pcm_1_playback_ch2_mix, |
| ARRAY_SIZE(mtk_pcm_1_playback_ch2_mix)), |
| SND_SOC_DAPM_MIXER("PCM_1_PB_CH4", SND_SOC_NOPM, 0, 0, |
| mtk_pcm_1_playback_ch4_mix, |
| ARRAY_SIZE(mtk_pcm_1_playback_ch4_mix)), |
| SND_SOC_DAPM_MIXER("PCM_2_PB_CH1", SND_SOC_NOPM, 0, 0, |
| mtk_pcm_2_playback_ch1_mix, |
| ARRAY_SIZE(mtk_pcm_2_playback_ch1_mix)), |
| SND_SOC_DAPM_MIXER("PCM_2_PB_CH2", SND_SOC_NOPM, 0, 0, |
| mtk_pcm_2_playback_ch2_mix, |
| ARRAY_SIZE(mtk_pcm_2_playback_ch2_mix)), |
| SND_SOC_DAPM_MIXER("PCM_2_PB_CH4", SND_SOC_NOPM, 0, 0, |
| mtk_pcm_2_playback_ch4_mix, |
| ARRAY_SIZE(mtk_pcm_2_playback_ch4_mix)), |
| |
| SND_SOC_DAPM_SUPPLY("PCM_1_EN", PCM_INTF_CON1, PCM_EN_SFT, 0, |
| NULL, 0), |
| |
| SND_SOC_DAPM_SUPPLY("PCM_2_EN", PCM2_INTF_CON, PCM2_EN_SFT, 0, |
| NULL, 0), |
| |
| SND_SOC_DAPM_INPUT("MD1_TO_AFE"), |
| SND_SOC_DAPM_INPUT("MD2_TO_AFE"), |
| SND_SOC_DAPM_OUTPUT("AFE_TO_MD1"), |
| SND_SOC_DAPM_OUTPUT("AFE_TO_MD2"), |
| }; |
| |
| static const struct snd_soc_dapm_route mtk_dai_pcm_routes[] = { |
| {"PCM 1 Playback", NULL, "PCM_1_PB_CH1"}, |
| {"PCM 1 Playback", NULL, "PCM_1_PB_CH2"}, |
| {"PCM 1 Playback", NULL, "PCM_1_PB_CH4"}, |
| {"PCM 2 Playback", NULL, "PCM_2_PB_CH1"}, |
| {"PCM 2 Playback", NULL, "PCM_2_PB_CH2"}, |
| {"PCM 2 Playback", NULL, "PCM_2_PB_CH4"}, |
| |
| {"PCM 1 Playback", NULL, "PCM_1_EN"}, |
| {"PCM 2 Playback", NULL, "PCM_2_EN"}, |
| {"PCM 1 Capture", NULL, "PCM_1_EN"}, |
| {"PCM 2 Capture", NULL, "PCM_2_EN"}, |
| |
| {"AFE_TO_MD1", NULL, "PCM 2 Playback"}, |
| {"AFE_TO_MD2", NULL, "PCM 1 Playback"}, |
| {"PCM 2 Capture", NULL, "MD1_TO_AFE"}, |
| {"PCM 1 Capture", NULL, "MD2_TO_AFE"}, |
| |
| {"PCM_1_PB_CH1", "DL2_CH1", "DL2"}, |
| {"PCM_1_PB_CH2", "DL2_CH2", "DL2"}, |
| {"PCM_1_PB_CH4", "DL1_CH1", "DL1"}, |
| {"PCM_2_PB_CH1", "DL2_CH1", "DL2"}, |
| {"PCM_2_PB_CH2", "DL2_CH2", "DL2"}, |
| {"PCM_2_PB_CH4", "DL1_CH1", "DL1"}, |
| }; |
| |
| /* dai ops */ |
| static int mtk_dai_pcm_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 snd_soc_dapm_widget *p = snd_soc_dai_get_widget_playback(dai); |
| struct snd_soc_dapm_widget *c = snd_soc_dai_get_widget_capture(dai); |
| unsigned int rate = params_rate(params); |
| unsigned int rate_reg = mt8183_rate_transform(afe->dev, rate, dai->id); |
| unsigned int pcm_con = 0; |
| |
| dev_dbg(afe->dev, "%s(), id %d, stream %d, rate %d, rate_reg %d, widget active p %d, c %d\n", |
| __func__, |
| dai->id, |
| substream->stream, |
| rate, |
| rate_reg, |
| p->active, c->active); |
| |
| if (p->active || c->active) |
| return 0; |
| |
| switch (dai->id) { |
| case MT8183_DAI_PCM_1: |
| pcm_con |= AUD_BCLK_OUT_INV_NO_INVERSE << PCM_BCLK_OUT_INV_SFT; |
| pcm_con |= AUD_TX_LCH_RPT_NO_REPEAT << PCM_TX_LCH_RPT_SFT; |
| pcm_con |= AUD_VBT_16K_MODE_DISABLE << PCM_VBT_16K_MODE_SFT; |
| pcm_con |= AUD_EXT_MODEM_SELECT_INTERNAL << PCM_EXT_MODEM_SFT; |
| pcm_con |= 0 << PCM_SYNC_LENGTH_SFT; |
| pcm_con |= AUD_PCM_ONE_BCK_CYCLE_SYNC << PCM_SYNC_TYPE_SFT; |
| pcm_con |= AUD_BT_MODE_DUAL_MIC_ON_TX << PCM_BT_MODE_SFT; |
| pcm_con |= AUD_PCM_AFIFO_AFIFO << PCM_BYP_ASRC_SFT; |
| pcm_con |= AUD_PCM_CLOCK_SLAVE_MODE << PCM_SLAVE_SFT; |
| pcm_con |= rate_reg << PCM_MODE_SFT; |
| pcm_con |= AUD_PCM_FMT_PCM_MODE_B << PCM_FMT_SFT; |
| |
| regmap_update_bits(afe->regmap, PCM_INTF_CON1, |
| 0xfffffffe, pcm_con); |
| break; |
| case MT8183_DAI_PCM_2: |
| pcm_con |= AUD_TX_LCH_RPT_NO_REPEAT << PCM2_TX_LCH_RPT_SFT; |
| pcm_con |= AUD_VBT_16K_MODE_DISABLE << PCM2_VBT_16K_MODE_SFT; |
| pcm_con |= AUD_BT_MODE_DUAL_MIC_ON_TX << PCM2_BT_MODE_SFT; |
| pcm_con |= AUD_PCM_AFIFO_AFIFO << PCM2_AFIFO_SFT; |
| pcm_con |= AUD_PCM_WLEN_PCM_32_BCK_CYCLES << PCM2_WLEN_SFT; |
| pcm_con |= rate_reg << PCM2_MODE_SFT; |
| pcm_con |= AUD_PCM_FMT_PCM_MODE_B << PCM2_FMT_SFT; |
| |
| regmap_update_bits(afe->regmap, PCM2_INTF_CON, |
| 0xfffffffe, pcm_con); |
| break; |
| default: |
| dev_warn(afe->dev, "%s(), id %d not support\n", |
| __func__, dai->id); |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| static const struct snd_soc_dai_ops mtk_dai_pcm_ops = { |
| .hw_params = mtk_dai_pcm_hw_params, |
| }; |
| |
| /* dai driver */ |
| #define MTK_PCM_RATES (SNDRV_PCM_RATE_8000 |\ |
| SNDRV_PCM_RATE_16000 |\ |
| SNDRV_PCM_RATE_32000 |\ |
| SNDRV_PCM_RATE_48000) |
| |
| #define MTK_PCM_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\ |
| SNDRV_PCM_FMTBIT_S24_LE |\ |
| SNDRV_PCM_FMTBIT_S32_LE) |
| |
| static struct snd_soc_dai_driver mtk_dai_pcm_driver[] = { |
| { |
| .name = "PCM 1", |
| .id = MT8183_DAI_PCM_1, |
| .playback = { |
| .stream_name = "PCM 1 Playback", |
| .channels_min = 1, |
| .channels_max = 2, |
| .rates = MTK_PCM_RATES, |
| .formats = MTK_PCM_FORMATS, |
| }, |
| .capture = { |
| .stream_name = "PCM 1 Capture", |
| .channels_min = 1, |
| .channels_max = 2, |
| .rates = MTK_PCM_RATES, |
| .formats = MTK_PCM_FORMATS, |
| }, |
| .ops = &mtk_dai_pcm_ops, |
| .symmetric_rate = 1, |
| .symmetric_sample_bits = 1, |
| }, |
| { |
| .name = "PCM 2", |
| .id = MT8183_DAI_PCM_2, |
| .playback = { |
| .stream_name = "PCM 2 Playback", |
| .channels_min = 1, |
| .channels_max = 2, |
| .rates = MTK_PCM_RATES, |
| .formats = MTK_PCM_FORMATS, |
| }, |
| .capture = { |
| .stream_name = "PCM 2 Capture", |
| .channels_min = 1, |
| .channels_max = 2, |
| .rates = MTK_PCM_RATES, |
| .formats = MTK_PCM_FORMATS, |
| }, |
| .ops = &mtk_dai_pcm_ops, |
| .symmetric_rate = 1, |
| .symmetric_sample_bits = 1, |
| }, |
| }; |
| |
| int mt8183_dai_pcm_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_pcm_driver; |
| dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_pcm_driver); |
| |
| dai->dapm_widgets = mtk_dai_pcm_widgets; |
| dai->num_dapm_widgets = ARRAY_SIZE(mtk_dai_pcm_widgets); |
| dai->dapm_routes = mtk_dai_pcm_routes; |
| dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_pcm_routes); |
| |
| return 0; |
| } |