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1// SPDX-License-Identifier: GPL-2.02//3// MediaTek ALSA SoC Audio DAI I2S Control4//5// Copyright (c) 2018 MediaTek Inc.6// Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com>7 8#include <linux/regmap.h>9#include <sound/pcm_params.h>10#include "mt6797-afe-common.h"11#include "mt6797-interconnection.h"12#include "mt6797-reg.h"13 14enum AUD_TX_LCH_RPT {15 AUD_TX_LCH_RPT_NO_REPEAT = 0,16 AUD_TX_LCH_RPT_REPEAT = 117};18 19enum AUD_VBT_16K_MODE {20 AUD_VBT_16K_MODE_DISABLE = 0,21 AUD_VBT_16K_MODE_ENABLE = 122};23 24enum AUD_EXT_MODEM {25 AUD_EXT_MODEM_SELECT_INTERNAL = 0,26 AUD_EXT_MODEM_SELECT_EXTERNAL = 127};28 29enum AUD_PCM_SYNC_TYPE {30 /* bck sync length = 1 */31 AUD_PCM_ONE_BCK_CYCLE_SYNC = 0,32 /* bck sync length = PCM_INTF_CON1[9:13] */33 AUD_PCM_EXTENDED_BCK_CYCLE_SYNC = 134};35 36enum AUD_BT_MODE {37 AUD_BT_MODE_DUAL_MIC_ON_TX = 0,38 AUD_BT_MODE_SINGLE_MIC_ON_TX = 139};40 41enum AUD_PCM_AFIFO_SRC {42 /* slave mode & external modem uses different crystal */43 AUD_PCM_AFIFO_ASRC = 0,44 /* slave mode & external modem uses the same crystal */45 AUD_PCM_AFIFO_AFIFO = 146};47 48enum AUD_PCM_CLOCK_SOURCE {49 AUD_PCM_CLOCK_MASTER_MODE = 0,50 AUD_PCM_CLOCK_SLAVE_MODE = 151};52 53enum AUD_PCM_WLEN {54 AUD_PCM_WLEN_PCM_32_BCK_CYCLES = 0,55 AUD_PCM_WLEN_PCM_64_BCK_CYCLES = 156};57 58enum AUD_PCM_MODE {59 AUD_PCM_MODE_PCM_MODE_8K = 0,60 AUD_PCM_MODE_PCM_MODE_16K = 1,61 AUD_PCM_MODE_PCM_MODE_32K = 2,62 AUD_PCM_MODE_PCM_MODE_48K = 3,63};64 65enum AUD_PCM_FMT {66 AUD_PCM_FMT_I2S = 0,67 AUD_PCM_FMT_EIAJ = 1,68 AUD_PCM_FMT_PCM_MODE_A = 2,69 AUD_PCM_FMT_PCM_MODE_B = 370};71 72enum AUD_BCLK_OUT_INV {73 AUD_BCLK_OUT_INV_NO_INVERSE = 0,74 AUD_BCLK_OUT_INV_INVERSE = 175};76 77enum AUD_PCM_EN {78 AUD_PCM_EN_DISABLE = 0,79 AUD_PCM_EN_ENABLE = 180};81 82/* dai component */83static const struct snd_kcontrol_new mtk_pcm_1_playback_ch1_mix[] = {84 SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN7,85 I_ADDA_UL_CH1, 1, 0),86 SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN7,87 I_DL2_CH1, 1, 0),88};89 90static const struct snd_kcontrol_new mtk_pcm_1_playback_ch2_mix[] = {91 SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN8,92 I_ADDA_UL_CH2, 1, 0),93 SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN8,94 I_DL2_CH2, 1, 0),95};96 97static const struct snd_kcontrol_new mtk_pcm_1_playback_ch4_mix[] = {98 SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN27,99 I_DL1_CH1, 1, 0),100};101 102static const struct snd_kcontrol_new mtk_pcm_2_playback_ch1_mix[] = {103 SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN17,104 I_ADDA_UL_CH1, 1, 0),105 SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN17,106 I_DL2_CH1, 1, 0),107};108 109static const struct snd_kcontrol_new mtk_pcm_2_playback_ch2_mix[] = {110 SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN18,111 I_ADDA_UL_CH2, 1, 0),112 SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN18,113 I_DL2_CH2, 1, 0),114};115 116static const struct snd_kcontrol_new mtk_pcm_2_playback_ch4_mix[] = {117 SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN24,118 I_DL1_CH1, 1, 0),119};120 121static const struct snd_soc_dapm_widget mtk_dai_pcm_widgets[] = {122 /* inter-connections */123 SND_SOC_DAPM_MIXER("PCM_1_PB_CH1", SND_SOC_NOPM, 0, 0,124 mtk_pcm_1_playback_ch1_mix,125 ARRAY_SIZE(mtk_pcm_1_playback_ch1_mix)),126 SND_SOC_DAPM_MIXER("PCM_1_PB_CH2", SND_SOC_NOPM, 0, 0,127 mtk_pcm_1_playback_ch2_mix,128 ARRAY_SIZE(mtk_pcm_1_playback_ch2_mix)),129 SND_SOC_DAPM_MIXER("PCM_1_PB_CH4", SND_SOC_NOPM, 0, 0,130 mtk_pcm_1_playback_ch4_mix,131 ARRAY_SIZE(mtk_pcm_1_playback_ch4_mix)),132 SND_SOC_DAPM_MIXER("PCM_2_PB_CH1", SND_SOC_NOPM, 0, 0,133 mtk_pcm_2_playback_ch1_mix,134 ARRAY_SIZE(mtk_pcm_2_playback_ch1_mix)),135 SND_SOC_DAPM_MIXER("PCM_2_PB_CH2", SND_SOC_NOPM, 0, 0,136 mtk_pcm_2_playback_ch2_mix,137 ARRAY_SIZE(mtk_pcm_2_playback_ch2_mix)),138 SND_SOC_DAPM_MIXER("PCM_2_PB_CH4", SND_SOC_NOPM, 0, 0,139 mtk_pcm_2_playback_ch4_mix,140 ARRAY_SIZE(mtk_pcm_2_playback_ch4_mix)),141 142 SND_SOC_DAPM_SUPPLY("PCM_1_EN", PCM_INTF_CON1, PCM_EN_SFT, 0,143 NULL, 0),144 145 SND_SOC_DAPM_SUPPLY("PCM_2_EN", PCM2_INTF_CON, PCM2_EN_SFT, 0,146 NULL, 0),147 148 SND_SOC_DAPM_INPUT("MD1_TO_AFE"),149 SND_SOC_DAPM_INPUT("MD2_TO_AFE"),150 SND_SOC_DAPM_OUTPUT("AFE_TO_MD1"),151 SND_SOC_DAPM_OUTPUT("AFE_TO_MD2"),152};153 154static const struct snd_soc_dapm_route mtk_dai_pcm_routes[] = {155 {"PCM 1 Playback", NULL, "PCM_1_PB_CH1"},156 {"PCM 1 Playback", NULL, "PCM_1_PB_CH2"},157 {"PCM 1 Playback", NULL, "PCM_1_PB_CH4"},158 {"PCM 2 Playback", NULL, "PCM_2_PB_CH1"},159 {"PCM 2 Playback", NULL, "PCM_2_PB_CH2"},160 {"PCM 2 Playback", NULL, "PCM_2_PB_CH4"},161 162 {"PCM 1 Playback", NULL, "PCM_1_EN"},163 {"PCM 2 Playback", NULL, "PCM_2_EN"},164 {"PCM 1 Capture", NULL, "PCM_1_EN"},165 {"PCM 2 Capture", NULL, "PCM_2_EN"},166 167 {"AFE_TO_MD1", NULL, "PCM 2 Playback"},168 {"AFE_TO_MD2", NULL, "PCM 1 Playback"},169 {"PCM 2 Capture", NULL, "MD1_TO_AFE"},170 {"PCM 1 Capture", NULL, "MD2_TO_AFE"},171 172 {"PCM_1_PB_CH1", "DL2_CH1", "DL2"},173 {"PCM_1_PB_CH2", "DL2_CH2", "DL2"},174 {"PCM_1_PB_CH4", "DL1_CH1", "DL1"},175 {"PCM_2_PB_CH1", "DL2_CH1", "DL2"},176 {"PCM_2_PB_CH2", "DL2_CH2", "DL2"},177 {"PCM_2_PB_CH4", "DL1_CH1", "DL1"},178};179 180/* dai ops */181static int mtk_dai_pcm_hw_params(struct snd_pcm_substream *substream,182 struct snd_pcm_hw_params *params,183 struct snd_soc_dai *dai)184{185 struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);186 struct snd_soc_dapm_widget *p = snd_soc_dai_get_widget_playback(dai);187 struct snd_soc_dapm_widget *c = snd_soc_dai_get_widget_capture(dai);188 unsigned int rate = params_rate(params);189 unsigned int rate_reg = mt6797_rate_transform(afe->dev, rate, dai->id);190 unsigned int pcm_con = 0;191 192 dev_dbg(afe->dev, "%s(), id %d, stream %d, rate %d, rate_reg %d, widget active p %d, c %d\n",193 __func__,194 dai->id,195 substream->stream,196 rate,197 rate_reg,198 p->active,199 c->active);200 201 if (p->active || c->active)202 return 0;203 204 switch (dai->id) {205 case MT6797_DAI_PCM_1:206 pcm_con |= AUD_BCLK_OUT_INV_NO_INVERSE << PCM_BCLK_OUT_INV_SFT;207 pcm_con |= AUD_TX_LCH_RPT_NO_REPEAT << PCM_TX_LCH_RPT_SFT;208 pcm_con |= AUD_VBT_16K_MODE_DISABLE << PCM_VBT_16K_MODE_SFT;209 pcm_con |= AUD_EXT_MODEM_SELECT_INTERNAL << PCM_EXT_MODEM_SFT;210 pcm_con |= 0 << PCM_SYNC_LENGTH_SFT;211 pcm_con |= AUD_PCM_ONE_BCK_CYCLE_SYNC << PCM_SYNC_TYPE_SFT;212 pcm_con |= AUD_BT_MODE_DUAL_MIC_ON_TX << PCM_BT_MODE_SFT;213 pcm_con |= AUD_PCM_AFIFO_AFIFO << PCM_BYP_ASRC_SFT;214 pcm_con |= AUD_PCM_CLOCK_SLAVE_MODE << PCM_SLAVE_SFT;215 pcm_con |= rate_reg << PCM_MODE_SFT;216 pcm_con |= AUD_PCM_FMT_PCM_MODE_B << PCM_FMT_SFT;217 218 regmap_update_bits(afe->regmap, PCM_INTF_CON1,219 0xfffffffe, pcm_con);220 break;221 case MT6797_DAI_PCM_2:222 pcm_con |= AUD_TX_LCH_RPT_NO_REPEAT << PCM2_TX_LCH_RPT_SFT;223 pcm_con |= AUD_VBT_16K_MODE_DISABLE << PCM2_VBT_16K_MODE_SFT;224 pcm_con |= AUD_BT_MODE_DUAL_MIC_ON_TX << PCM2_BT_MODE_SFT;225 pcm_con |= AUD_PCM_AFIFO_AFIFO << PCM2_AFIFO_SFT;226 pcm_con |= AUD_PCM_WLEN_PCM_32_BCK_CYCLES << PCM2_WLEN_SFT;227 pcm_con |= rate_reg << PCM2_MODE_SFT;228 pcm_con |= AUD_PCM_FMT_PCM_MODE_B << PCM2_FMT_SFT;229 230 regmap_update_bits(afe->regmap, PCM2_INTF_CON,231 0xfffffffe, pcm_con);232 break;233 default:234 dev_warn(afe->dev, "%s(), id %d not support\n",235 __func__, dai->id);236 return -EINVAL;237 }238 239 return 0;240}241 242static const struct snd_soc_dai_ops mtk_dai_pcm_ops = {243 .hw_params = mtk_dai_pcm_hw_params,244};245 246/* dai driver */247#define MTK_PCM_RATES (SNDRV_PCM_RATE_8000 |\248 SNDRV_PCM_RATE_16000 |\249 SNDRV_PCM_RATE_32000 |\250 SNDRV_PCM_RATE_48000)251 252#define MTK_PCM_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\253 SNDRV_PCM_FMTBIT_S24_LE |\254 SNDRV_PCM_FMTBIT_S32_LE)255 256static struct snd_soc_dai_driver mtk_dai_pcm_driver[] = {257 {258 .name = "PCM 1",259 .id = MT6797_DAI_PCM_1,260 .playback = {261 .stream_name = "PCM 1 Playback",262 .channels_min = 1,263 .channels_max = 2,264 .rates = MTK_PCM_RATES,265 .formats = MTK_PCM_FORMATS,266 },267 .capture = {268 .stream_name = "PCM 1 Capture",269 .channels_min = 1,270 .channels_max = 2,271 .rates = MTK_PCM_RATES,272 .formats = MTK_PCM_FORMATS,273 },274 .ops = &mtk_dai_pcm_ops,275 .symmetric_rate = 1,276 .symmetric_sample_bits = 1,277 },278 {279 .name = "PCM 2",280 .id = MT6797_DAI_PCM_2,281 .playback = {282 .stream_name = "PCM 2 Playback",283 .channels_min = 1,284 .channels_max = 2,285 .rates = MTK_PCM_RATES,286 .formats = MTK_PCM_FORMATS,287 },288 .capture = {289 .stream_name = "PCM 2 Capture",290 .channels_min = 1,291 .channels_max = 2,292 .rates = MTK_PCM_RATES,293 .formats = MTK_PCM_FORMATS,294 },295 .ops = &mtk_dai_pcm_ops,296 .symmetric_rate = 1,297 .symmetric_sample_bits = 1,298 },299};300 301int mt6797_dai_pcm_register(struct mtk_base_afe *afe)302{303 struct mtk_base_afe_dai *dai;304 305 dai = devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL);306 if (!dai)307 return -ENOMEM;308 309 list_add(&dai->list, &afe->sub_dais);310 311 dai->dai_drivers = mtk_dai_pcm_driver;312 dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_pcm_driver);313 314 dai->dapm_widgets = mtk_dai_pcm_widgets;315 dai->num_dapm_widgets = ARRAY_SIZE(mtk_dai_pcm_widgets);316 dai->dapm_routes = mtk_dai_pcm_routes;317 dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_pcm_routes);318 return 0;319}320