sound/soc/mediatek/mt8192/mt8192-dai-pcm.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 //
   3 // MediaTek ALSA SoC Audio DAI I2S Control
   4 //
   5 // Copyright (c) 2020 MediaTek Inc.
   6 // Author: Shane Chien <shane.chien@mediatek.com>
   7 //
   8
   9 #include <linux/regmap.h>
  10 #include <sound/pcm_params.h>
  11
  12 #include "mt8192-afe-common.h"
  13 #include "mt8192-interconnection.h"
  14
  15 enum AUD_TX_LCH_RPT {
  16         AUD_TX_LCH_RPT_NO_REPEAT = 0,
  17         AUD_TX_LCH_RPT_REPEAT = 1
  18 };
  19
  20 enum AUD_VBT_16K_MODE {
  21         AUD_VBT_16K_MODE_DISABLE = 0,
  22         AUD_VBT_16K_MODE_ENABLE = 1
  23 };
  24
  25 enum AUD_EXT_MODEM {
  26         AUD_EXT_MODEM_SELECT_INTERNAL = 0,
  27         AUD_EXT_MODEM_SELECT_EXTERNAL = 1
  28 };
  29
  30 enum AUD_PCM_SYNC_TYPE {
  31         /* bck sync length = 1 */
  32         AUD_PCM_ONE_BCK_CYCLE_SYNC = 0,
  33         /* bck sync length = PCM_INTF_CON1[9:13] */
  34         AUD_PCM_EXTENDED_BCK_CYCLE_SYNC = 1
  35 };
  36
  37 enum AUD_BT_MODE {
  38         AUD_BT_MODE_DUAL_MIC_ON_TX = 0,
  39         AUD_BT_MODE_SINGLE_MIC_ON_TX = 1
  40 };
  41
  42 enum AUD_PCM_AFIFO_SRC {
  43         /* slave mode & external modem uses different crystal */
  44         AUD_PCM_AFIFO_ASRC = 0,
  45         /* slave mode & external modem uses the same crystal */
  46         AUD_PCM_AFIFO_AFIFO = 1
  47 };
  48
  49 enum AUD_PCM_CLOCK_SOURCE {
  50         AUD_PCM_CLOCK_MASTER_MODE = 0,
  51         AUD_PCM_CLOCK_SLAVE_MODE = 1
  52 };
  53
  54 enum AUD_PCM_WLEN {
  55         AUD_PCM_WLEN_PCM_32_BCK_CYCLES = 0,
  56         AUD_PCM_WLEN_PCM_64_BCK_CYCLES = 1
  57 };
  58
  59 enum AUD_PCM_MODE {
  60         AUD_PCM_MODE_PCM_MODE_8K = 0,
  61         AUD_PCM_MODE_PCM_MODE_16K = 1,
  62         AUD_PCM_MODE_PCM_MODE_32K = 2,
  63         AUD_PCM_MODE_PCM_MODE_48K = 3,
  64 };
  65
  66 enum AUD_PCM_FMT {
  67         AUD_PCM_FMT_I2S = 0,
  68         AUD_PCM_FMT_EIAJ = 1,
  69         AUD_PCM_FMT_PCM_MODE_A = 2,
  70         AUD_PCM_FMT_PCM_MODE_B = 3
  71 };
  72
  73 enum AUD_BCLK_OUT_INV {
  74         AUD_BCLK_OUT_INV_NO_INVERSE = 0,
  75         AUD_BCLK_OUT_INV_INVERSE = 1
  76 };
  77
  78 enum AUD_PCM_EN {
  79         AUD_PCM_EN_DISABLE = 0,
  80         AUD_PCM_EN_ENABLE = 1
  81 };
  82
  83 /* dai component */
  84 static const struct snd_kcontrol_new mtk_pcm_1_playback_ch1_mix[] = {
  85         SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN7,
  86                                     I_ADDA_UL_CH1, 1, 0),
  87         SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN7,
  88                                     I_DL2_CH1, 1, 0),
  89         SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH1", AFE_CONN7_1,
  90                                     I_DL4_CH1, 1, 0),
  91 };
  92
  93 static const struct snd_kcontrol_new mtk_pcm_1_playback_ch2_mix[] = {
  94         SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN8,
  95                                     I_ADDA_UL_CH2, 1, 0),
  96         SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN8,
  97                                     I_DL2_CH2, 1, 0),
  98         SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH2", AFE_CONN8_1,
  99                                     I_DL4_CH2, 1, 0),
 100 };
 101
 102 static const struct snd_kcontrol_new mtk_pcm_1_playback_ch4_mix[] = {
 103         SOC_DAPM_SINGLE_AUTODISABLE("I2S0_CH1", AFE_CONN27,
 104                                     I_I2S0_CH1, 1, 0),
 105         SOC_DAPM_SINGLE_AUTODISABLE("I2S0_CH2", AFE_CONN27,
 106                                     I_I2S0_CH2, 1, 0),
 107         SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN27,
 108                                     I_DL1_CH1, 1, 0),
 109         SOC_DAPM_SINGLE_AUTODISABLE("I2S2_CH1", AFE_CONN27,
 110                                     I_I2S2_CH1, 1, 0),
 111         SOC_DAPM_SINGLE_AUTODISABLE("I2S2_CH2", AFE_CONN27,
 112                                     I_I2S2_CH2, 1, 0),
 113         SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH1", AFE_CONN27_1,
 114                                     I_DL4_CH1, 1, 0),
 115 };
 116
 117 static const struct snd_kcontrol_new mtk_pcm_2_playback_ch1_mix[] = {
 118         SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN17,
 119                                     I_ADDA_UL_CH1, 1, 0),
 120         SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN17,
 121                                     I_ADDA_UL_CH2, 1, 0),
 122         SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH3", AFE_CONN17,
 123                                     I_ADDA_UL_CH3, 1, 0),
 124         SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN17,
 125                                     I_DL2_CH1, 1, 0),
 126         SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH1", AFE_CONN17_1,
 127                                     I_DL4_CH1, 1, 0),
 128 };
 129
 130 static const struct snd_kcontrol_new mtk_pcm_2_playback_ch2_mix[] = {
 131         SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN18,
 132                                     I_ADDA_UL_CH1, 1, 0),
 133         SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN18,
 134                                     I_ADDA_UL_CH2, 1, 0),
 135         SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH3", AFE_CONN18,
 136                                     I_ADDA_UL_CH3, 1, 0),
 137         SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN18,
 138                                     I_DL2_CH2, 1, 0),
 139         SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH2", AFE_CONN18_1,
 140                                     I_DL4_CH2, 1, 0),
 141 };
 142
 143 static const struct snd_kcontrol_new mtk_pcm_2_playback_ch3_mix[] = {
 144         SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH3", AFE_CONN23,
 145                                     I_ADDA_UL_CH3, 1, 0),
 146 };
 147
 148 static const struct snd_kcontrol_new mtk_pcm_2_playback_ch4_mix[] = {
 149         SOC_DAPM_SINGLE_AUTODISABLE("I2S0_CH1", AFE_CONN24,
 150                                     I_I2S0_CH1, 1, 0),
 151         SOC_DAPM_SINGLE_AUTODISABLE("I2S0_CH2", AFE_CONN24,
 152                                     I_I2S0_CH2, 1, 0),
 153         SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN24,
 154                                     I_DL1_CH1, 1, 0),
 155         SOC_DAPM_SINGLE_AUTODISABLE("I2S2_CH1", AFE_CONN24,
 156                                     I_I2S2_CH1, 1, 0),
 157         SOC_DAPM_SINGLE_AUTODISABLE("I2S2_CH2", AFE_CONN24,
 158                                     I_I2S2_CH2, 1, 0),
 159         SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH1", AFE_CONN24_1,
 160                                     I_DL4_CH1, 1, 0),
 161 };
 162
 163 static const struct snd_kcontrol_new mtk_pcm_2_playback_ch5_mix[] = {
 164         SOC_DAPM_SINGLE_AUTODISABLE("I2S0_CH2", AFE_CONN25,
 165                                     I_I2S0_CH2, 1, 0),
 166         SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH2", AFE_CONN25,
 167                                     I_DL1_CH2, 1, 0),
 168         SOC_DAPM_SINGLE_AUTODISABLE("I2S2_CH2", AFE_CONN25,
 169                                     I_I2S2_CH2, 1, 0),
 170         SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH2", AFE_CONN25_1,
 171                                     I_DL4_CH2, 1, 0),
 172 };
 173
 174 static int mtk_pcm_en_event(struct snd_soc_dapm_widget *w,
 175                             struct snd_kcontrol *kcontrol,
 176                             int event)
 177 {
 178         struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
 179         struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
 180
 181         dev_info(afe->dev, "%s(), name %s, event 0x%x\n",
 182                  __func__, w->name, event);
 183         return 0;
 184 }
 185
 186 static const struct snd_soc_dapm_widget mtk_dai_pcm_widgets[] = {
 187         /* inter-connections */
 188         SND_SOC_DAPM_MIXER("PCM_1_PB_CH1", SND_SOC_NOPM, 0, 0,
 189                            mtk_pcm_1_playback_ch1_mix,
 190                            ARRAY_SIZE(mtk_pcm_1_playback_ch1_mix)),
 191         SND_SOC_DAPM_MIXER("PCM_1_PB_CH2", SND_SOC_NOPM, 0, 0,
 192                            mtk_pcm_1_playback_ch2_mix,
 193                            ARRAY_SIZE(mtk_pcm_1_playback_ch2_mix)),
 194         SND_SOC_DAPM_MIXER("PCM_1_PB_CH4", SND_SOC_NOPM, 0, 0,
 195                            mtk_pcm_1_playback_ch4_mix,
 196                            ARRAY_SIZE(mtk_pcm_1_playback_ch4_mix)),
 197         SND_SOC_DAPM_MIXER("PCM_2_PB_CH1", SND_SOC_NOPM, 0, 0,
 198                            mtk_pcm_2_playback_ch1_mix,
 199                            ARRAY_SIZE(mtk_pcm_2_playback_ch1_mix)),
 200         SND_SOC_DAPM_MIXER("PCM_2_PB_CH2", SND_SOC_NOPM, 0, 0,
 201                            mtk_pcm_2_playback_ch2_mix,
 202                            ARRAY_SIZE(mtk_pcm_2_playback_ch2_mix)),
 203         SND_SOC_DAPM_MIXER("PCM_2_PB_CH3", SND_SOC_NOPM, 0, 0,
 204                            mtk_pcm_2_playback_ch3_mix,
 205                            ARRAY_SIZE(mtk_pcm_2_playback_ch3_mix)),
 206         SND_SOC_DAPM_MIXER("PCM_2_PB_CH4", SND_SOC_NOPM, 0, 0,
 207                            mtk_pcm_2_playback_ch4_mix,
 208                            ARRAY_SIZE(mtk_pcm_2_playback_ch4_mix)),
 209         SND_SOC_DAPM_MIXER("PCM_2_PB_CH5", SND_SOC_NOPM, 0, 0,
 210                            mtk_pcm_2_playback_ch5_mix,
 211                            ARRAY_SIZE(mtk_pcm_2_playback_ch5_mix)),
 212
 213         SND_SOC_DAPM_SUPPLY("PCM_1_EN",
 214                             PCM_INTF_CON1, PCM_EN_SFT, 0,
 215                             mtk_pcm_en_event,
 216                             SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
 217
 218         SND_SOC_DAPM_SUPPLY("PCM_2_EN",
 219                             PCM2_INTF_CON, PCM2_EN_SFT, 0,
 220                             mtk_pcm_en_event,
 221                             SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
 222
 223         SND_SOC_DAPM_INPUT("MD1_TO_AFE"),
 224         SND_SOC_DAPM_INPUT("MD2_TO_AFE"),
 225         SND_SOC_DAPM_OUTPUT("AFE_TO_MD1"),
 226         SND_SOC_DAPM_OUTPUT("AFE_TO_MD2"),
 227 };
 228
 229 static const struct snd_soc_dapm_route mtk_dai_pcm_routes[] = {
 230         {"PCM 1 Playback", NULL, "PCM_1_PB_CH1"},
 231         {"PCM 1 Playback", NULL, "PCM_1_PB_CH2"},
 232         {"PCM 1 Playback", NULL, "PCM_1_PB_CH4"},
 233         {"PCM 2 Playback", NULL, "PCM_2_PB_CH1"},
 234         {"PCM 2 Playback", NULL, "PCM_2_PB_CH2"},
 235         {"PCM 2 Playback", NULL, "PCM_2_PB_CH3"},
 236         {"PCM 2 Playback", NULL, "PCM_2_PB_CH4"},
 237         {"PCM 2 Playback", NULL, "PCM_2_PB_CH5"},
 238
 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"},
 245         {"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"},
 259         {"PCM_2_PB_CH1", "DL4_CH1", "DL4"},
 260         {"PCM_2_PB_CH2", "DL4_CH2", "DL4"},
 261         {"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         unsigned int rate = params_rate(params);
 277         unsigned int rate_reg = mt8192_rate_transform(afe->dev, rate, dai->id);
 278         unsigned int pcm_con = 0;
 279
 280         dev_info(afe->dev, "%s(), id %d, stream %d, rate %d, rate_reg %d, widget active p %d, c %d\n",
 281                  __func__,
 282                  dai->id,
 283                  substream->stream,
 284                  rate,
 285                  rate_reg,
 286                  dai->playback_widget->active,
 287                  dai->capture_widget->active);
 288
 289         if (dai->playback_widget->active || dai->capture_widget->active)
 290                 return 0;
 291
 292         switch (dai->id) {
 293         case MT8192_DAI_PCM_1:
 294                 pcm_con |= AUD_BCLK_OUT_INV_NO_INVERSE << PCM_BCLK_OUT_INV_SFT;
 295                 pcm_con |= AUD_TX_LCH_RPT_NO_REPEAT << PCM_TX_LCH_RPT_SFT;
 296                 pcm_con |= AUD_VBT_16K_MODE_DISABLE << PCM_VBT_16K_MODE_SFT;
 297                 pcm_con |= AUD_EXT_MODEM_SELECT_INTERNAL << PCM_EXT_MODEM_SFT;
 298                 pcm_con |= 0 << PCM_SYNC_LENGTH_SFT;
 299                 pcm_con |= AUD_PCM_ONE_BCK_CYCLE_SYNC << PCM_SYNC_TYPE_SFT;
 300                 pcm_con |= AUD_BT_MODE_DUAL_MIC_ON_TX << PCM_BT_MODE_SFT;
 301                 pcm_con |= AUD_PCM_AFIFO_AFIFO << PCM_BYP_ASRC_SFT;
 302                 pcm_con |= AUD_PCM_CLOCK_SLAVE_MODE << PCM_SLAVE_SFT;
 303                 pcm_con |= rate_reg << PCM_MODE_SFT;
 304                 pcm_con |= AUD_PCM_FMT_PCM_MODE_B << PCM_FMT_SFT;
 305
 306                 regmap_update_bits(afe->regmap, PCM_INTF_CON1,
 307                                    0xfffffffe, pcm_con);
 308                 break;
 309         case MT8192_DAI_PCM_2:
 310                 pcm_con |= AUD_TX_LCH_RPT_NO_REPEAT << PCM2_TX_LCH_RPT_SFT;
 311                 pcm_con |= AUD_VBT_16K_MODE_DISABLE << PCM2_VBT_16K_MODE_SFT;
 312                 pcm_con |= AUD_BT_MODE_DUAL_MIC_ON_TX << PCM2_BT_MODE_SFT;
 313                 pcm_con |= AUD_PCM_AFIFO_AFIFO << PCM2_AFIFO_SFT;
 314                 pcm_con |= AUD_PCM_WLEN_PCM_32_BCK_CYCLES << PCM2_WLEN_SFT;
 315                 pcm_con |= rate_reg << PCM2_MODE_SFT;
 316                 pcm_con |= AUD_PCM_FMT_PCM_MODE_B << PCM2_FMT_SFT;
 317
 318                 regmap_update_bits(afe->regmap, PCM2_INTF_CON,
 319                                    0xfffffffe, pcm_con);
 320                 break;
 321         default:
 322                 dev_warn(afe->dev, "%s(), id %d not support\n",
 323                          __func__, dai->id);
 324                 return -EINVAL;
 325         }
 326
 327         return 0;
 328 }
 329
 330 static const struct snd_soc_dai_ops mtk_dai_pcm_ops = {
 331         .hw_params = mtk_dai_pcm_hw_params,
 332 };
 333
 334 /* dai driver */
 335 #define MTK_PCM_RATES (SNDRV_PCM_RATE_8000 |\
 336                        SNDRV_PCM_RATE_16000 |\
 337                        SNDRV_PCM_RATE_32000 |\
 338                        SNDRV_PCM_RATE_48000)
 339
 340 #define MTK_PCM_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
 341                          SNDRV_PCM_FMTBIT_S24_LE |\
 342                          SNDRV_PCM_FMTBIT_S32_LE)
 343
 344 static struct snd_soc_dai_driver mtk_dai_pcm_driver[] = {
 345         {
 346                 .name = "PCM 1",
 347                 .id = MT8192_DAI_PCM_1,
 348                 .playback = {
 349                         .stream_name = "PCM 1 Playback",
 350                         .channels_min = 1,
 351                         .channels_max = 2,
 352                         .rates = MTK_PCM_RATES,
 353                         .formats = MTK_PCM_FORMATS,
 354                 },
 355                 .capture = {
 356                         .stream_name = "PCM 1 Capture",
 357                         .channels_min = 1,
 358                         .channels_max = 2,
 359                         .rates = MTK_PCM_RATES,
 360                         .formats = MTK_PCM_FORMATS,
 361                 },
 362                 .ops = &mtk_dai_pcm_ops,
 363                 .symmetric_rates = 1,
 364                 .symmetric_samplebits = 1,
 365         },
 366         {
 367                 .name = "PCM 2",
 368                 .id = MT8192_DAI_PCM_2,
 369                 .playback = {
 370                         .stream_name = "PCM 2 Playback",
 371                         .channels_min = 1,
 372                         .channels_max = 2,
 373                         .rates = MTK_PCM_RATES,
 374                         .formats = MTK_PCM_FORMATS,
 375                 },
 376                 .capture = {
 377                         .stream_name = "PCM 2 Capture",
 378                         .channels_min = 1,
 379                         .channels_max = 2,
 380                         .rates = MTK_PCM_RATES,
 381                         .formats = MTK_PCM_FORMATS,
 382                 },
 383                 .ops = &mtk_dai_pcm_ops,
 384                 .symmetric_rates = 1,
 385                 .symmetric_samplebits = 1,
 386         },
 387 };
 388
 389 int mt8192_dai_pcm_register(struct mtk_base_afe *afe)
 390 {
 391         struct mtk_base_afe_dai *dai;
 392
 393         dev_info(afe->dev, "%s()\n", __func__);
 394
 395         dai = devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL);
 396         if (!dai)
 397                 return -ENOMEM;
 398
 399         list_add(&dai->list, &afe->sub_dais);
 400
 401         dai->dai_drivers = mtk_dai_pcm_driver;
 402         dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_pcm_driver);
 403
 404         dai->dapm_widgets = mtk_dai_pcm_widgets;
 405         dai->num_dapm_widgets = ARRAY_SIZE(mtk_dai_pcm_widgets);
 406         dai->dapm_routes = mtk_dai_pcm_routes;
 407         dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_pcm_routes);
 408         return 0;
 409 }