| // SPDX-License-Identifier: GPL-2.0 |
| // |
| // MediaTek ALSA SoC Audio DAI ADDA Control |
| // |
| // Copyright (c) 2018 MediaTek Inc. |
| // Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com> |
| |
| #include <linux/regmap.h> |
| #include <linux/delay.h> |
| #include "mt6797-afe-common.h" |
| #include "mt6797-interconnection.h" |
| #include "mt6797-reg.h" |
| |
| 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, |
| MTK_AFE_ADDA_UL_RATE_48K_HD = 6, |
| }; |
| |
| static unsigned int 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_warn(afe->dev, "%s(), rate %d invalid, use 48kHz!!!\n", |
| __func__, rate); |
| return MTK_AFE_ADDA_DL_RATE_48K; |
| } |
| } |
| |
| static unsigned int 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_warn(afe->dev, "%s(), rate %d invalid, use 48kHz!!!\n", |
| __func__, rate); |
| return MTK_AFE_ADDA_UL_RATE_48K; |
| } |
| } |
| |
| /* dai component */ |
| static const struct snd_kcontrol_new mtk_adda_dl_ch1_mix[] = { |
| SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN3, I_DL1_CH1, 1, 0), |
| SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN3, I_DL2_CH1, 1, 0), |
| SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH1", AFE_CONN3, I_DL3_CH1, 1, 0), |
| SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN3, |
| I_ADDA_UL_CH2, 1, 0), |
| SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN3, |
| I_ADDA_UL_CH1, 1, 0), |
| SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH1", AFE_CONN3, |
| I_PCM_1_CAP_CH1, 1, 0), |
| SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH1", AFE_CONN3, |
| I_PCM_2_CAP_CH1, 1, 0), |
| }; |
| |
| static const struct snd_kcontrol_new mtk_adda_dl_ch2_mix[] = { |
| SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN4, I_DL1_CH1, 1, 0), |
| SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH2", AFE_CONN4, I_DL1_CH2, 1, 0), |
| SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN4, I_DL2_CH1, 1, 0), |
| SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN4, I_DL2_CH2, 1, 0), |
| SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH1", AFE_CONN4, I_DL3_CH1, 1, 0), |
| SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH2", AFE_CONN4, I_DL3_CH2, 1, 0), |
| SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN4, |
| I_ADDA_UL_CH2, 1, 0), |
| SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN4, |
| I_ADDA_UL_CH1, 1, 0), |
| SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH1", AFE_CONN4, |
| I_PCM_1_CAP_CH1, 1, 0), |
| SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH1", AFE_CONN4, |
| I_PCM_2_CAP_CH1, 1, 0), |
| SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH2", AFE_CONN4, |
| I_PCM_1_CAP_CH2, 1, 0), |
| SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH2", AFE_CONN4, |
| I_PCM_2_CAP_CH2, 1, 0), |
| }; |
| |
| 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); |
| |
| 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; |
| } |
| |
| enum { |
| SUPPLY_SEQ_AUD_TOP_PDN, |
| SUPPLY_SEQ_ADDA_AFE_ON, |
| SUPPLY_SEQ_ADDA_DL_ON, |
| SUPPLY_SEQ_ADDA_UL_ON, |
| }; |
| |
| static const struct snd_soc_dapm_widget mtk_dai_adda_widgets[] = { |
| /* adda */ |
| SND_SOC_DAPM_MIXER("ADDA_DL_CH1", SND_SOC_NOPM, 0, 0, |
| mtk_adda_dl_ch1_mix, |
| ARRAY_SIZE(mtk_adda_dl_ch1_mix)), |
| SND_SOC_DAPM_MIXER("ADDA_DL_CH2", SND_SOC_NOPM, 0, 0, |
| mtk_adda_dl_ch2_mix, |
| ARRAY_SIZE(mtk_adda_dl_ch2_mix)), |
| |
| SND_SOC_DAPM_SUPPLY_S("ADDA Enable", SUPPLY_SEQ_ADDA_AFE_ON, |
| AFE_ADDA_UL_DL_CON0, ADDA_AFE_ON_SFT, 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_CTL_PRE_SFT, 0, |
| NULL, 0), |
| |
| SND_SOC_DAPM_SUPPLY_S("ADDA Capture Enable", SUPPLY_SEQ_ADDA_UL_ON, |
| AFE_ADDA_UL_SRC_CON0, |
| UL_SRC_ON_TMP_CTL_SFT, 0, |
| mtk_adda_ul_event, |
| SND_SOC_DAPM_POST_PMD), |
| |
| SND_SOC_DAPM_SUPPLY_S("aud_dac_clk", SUPPLY_SEQ_AUD_TOP_PDN, |
| AUDIO_TOP_CON0, PDN_DAC_SFT, 1, |
| NULL, 0), |
| SND_SOC_DAPM_SUPPLY_S("aud_dac_predis_clk", SUPPLY_SEQ_AUD_TOP_PDN, |
| AUDIO_TOP_CON0, PDN_DAC_PREDIS_SFT, 1, |
| NULL, 0), |
| |
| SND_SOC_DAPM_SUPPLY_S("aud_adc_clk", SUPPLY_SEQ_AUD_TOP_PDN, |
| AUDIO_TOP_CON0, PDN_ADC_SFT, 1, |
| NULL, 0), |
| |
| SND_SOC_DAPM_CLOCK_SUPPLY("mtkaif_26m_clk"), |
| }; |
| |
| static const struct snd_soc_dapm_route mtk_dai_adda_routes[] = { |
| /* playback */ |
| {"ADDA_DL_CH1", "DL1_CH1", "DL1"}, |
| {"ADDA_DL_CH2", "DL1_CH1", "DL1"}, |
| {"ADDA_DL_CH2", "DL1_CH2", "DL1"}, |
| |
| {"ADDA_DL_CH1", "DL2_CH1", "DL2"}, |
| {"ADDA_DL_CH2", "DL2_CH1", "DL2"}, |
| {"ADDA_DL_CH2", "DL2_CH2", "DL2"}, |
| |
| {"ADDA_DL_CH1", "DL3_CH1", "DL3"}, |
| {"ADDA_DL_CH2", "DL3_CH1", "DL3"}, |
| {"ADDA_DL_CH2", "DL3_CH2", "DL3"}, |
| |
| {"ADDA Playback", NULL, "ADDA_DL_CH1"}, |
| {"ADDA Playback", NULL, "ADDA_DL_CH2"}, |
| |
| /* adda enable */ |
| {"ADDA Playback", NULL, "ADDA Enable"}, |
| {"ADDA Playback", NULL, "ADDA Playback Enable"}, |
| {"ADDA Capture", NULL, "ADDA Enable"}, |
| {"ADDA Capture", NULL, "ADDA Capture Enable"}, |
| |
| /* clk */ |
| {"ADDA Playback", NULL, "mtkaif_26m_clk"}, |
| {"ADDA Playback", NULL, "aud_dac_clk"}, |
| {"ADDA Playback", NULL, "aud_dac_predis_clk"}, |
| |
| {"ADDA Capture", NULL, "mtkaif_26m_clk"}, |
| {"ADDA Capture", NULL, "aud_adc_clk"}, |
| }; |
| |
| /* dai ops */ |
| 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); |
| unsigned int rate = params_rate(params); |
| |
| dev_dbg(afe->dev, "%s(), id %d, stream %d, rate %d\n", |
| __func__, dai->id, substream->stream, rate); |
| |
| if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { |
| unsigned int dl_src2_con0 = 0; |
| unsigned int dl_src2_con1 = 0; |
| |
| /* clean predistortion */ |
| regmap_write(afe->regmap, AFE_ADDA_PREDIS_CON0, 0); |
| regmap_write(afe->regmap, AFE_ADDA_PREDIS_CON1, 0); |
| |
| /* set input sampling rate */ |
| dl_src2_con0 = adda_dl_rate_transform(afe, rate) << 28; |
| |
| /* set output mode */ |
| switch (rate) { |
| case 192000: |
| dl_src2_con0 |= (0x1 << 24); /* UP_SAMPLING_RATE_X2 */ |
| dl_src2_con0 |= 1 << 14; |
| break; |
| case 96000: |
| dl_src2_con0 |= (0x2 << 24); /* UP_SAMPLING_RATE_X4 */ |
| dl_src2_con0 |= 1 << 14; |
| break; |
| default: |
| dl_src2_con0 |= (0x3 << 24); /* UP_SAMPLING_RATE_X8 */ |
| break; |
| } |
| |
| /* turn off mute function */ |
| dl_src2_con0 |= (0x03 << 11); |
| |
| /* set voice input data if input sample rate is 8k or 16k */ |
| if (rate == 8000 || rate == 16000) |
| dl_src2_con0 |= 0x01 << 5; |
| |
| if (rate < 96000) { |
| /* SA suggest apply -0.3db to audio/speech path */ |
| dl_src2_con1 = 0xf74f0000; |
| } else { |
| /* SA suggest apply -0.3db to audio/speech path |
| * with DL gain set to half, |
| * 0xFFFF = 0dB -> 0x8000 = 0dB when 96k, 192k |
| */ |
| dl_src2_con1 = 0x7ba70000; |
| } |
| |
| /* turn on down-link gain */ |
| dl_src2_con0 = dl_src2_con0 | (0x01 << 1); |
| |
| regmap_write(afe->regmap, AFE_ADDA_DL_SRC2_CON0, dl_src2_con0); |
| regmap_write(afe->regmap, AFE_ADDA_DL_SRC2_CON1, dl_src2_con1); |
| } else { |
| unsigned int voice_mode = 0; |
| unsigned int ul_src_con0 = 0; /* default value */ |
| |
| /* Using Internal ADC */ |
| regmap_update_bits(afe->regmap, |
| AFE_ADDA_TOP_CON0, |
| 0x1 << 0, |
| 0x0 << 0); |
| |
| voice_mode = adda_ul_rate_transform(afe, rate); |
| |
| ul_src_con0 |= (voice_mode << 17) & (0x7 << 17); |
| |
| /* up8x txif sat on */ |
| regmap_write(afe->regmap, AFE_ADDA_NEWIF_CFG0, 0x03F87201); |
| |
| if (rate >= 96000) { /* hires */ |
| /* use hires format [1 0 23] */ |
| regmap_update_bits(afe->regmap, |
| AFE_ADDA_NEWIF_CFG0, |
| 0x1 << 5, |
| 0x1 << 5); |
| |
| regmap_update_bits(afe->regmap, |
| AFE_ADDA_NEWIF_CFG2, |
| 0xf << 28, |
| voice_mode << 28); |
| } else { /* normal 8~48k */ |
| /* use fixed 260k anc path */ |
| regmap_update_bits(afe->regmap, |
| AFE_ADDA_NEWIF_CFG2, |
| 0xf << 28, |
| 8 << 28); |
| |
| /* ul_use_cic_out */ |
| ul_src_con0 |= 0x1 << 20; |
| } |
| |
| regmap_update_bits(afe->regmap, |
| AFE_ADDA_NEWIF_CFG2, |
| 0xf << 28, |
| 8 << 28); |
| |
| regmap_update_bits(afe->regmap, |
| AFE_ADDA_UL_SRC_CON0, |
| 0xfffffffe, |
| ul_src_con0); |
| } |
| |
| return 0; |
| } |
| |
| 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 = MT6797_DAI_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, |
| }, |
| }; |
| |
| int mt6797_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); |
| return 0; |
| } |