sound/soc/mediatek/mt6797/mt6797-afe-pcm.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 //
   3 // Mediatek ALSA SoC AFE platform driver for 6797
   4 //
   5 // Copyright (c) 2018 MediaTek Inc.
   6 // Author: KaiChieh Chuang <[email protected]>
   7
   8 #include <linux/delay.h>
   9 #include <linux/module.h>
  10 #include <linux/mfd/syscon.h>
  11 #include <linux/of.h>
  12 #include <linux/of_address.h>
  13 #include <linux/pm_runtime.h>
  14
  15 #include "mt6797-afe-common.h"
  16 #include "mt6797-afe-clk.h"
  17 #include "mt6797-interconnection.h"
  18 #include "mt6797-reg.h"
  19 #include "../common/mtk-afe-platform-driver.h"
  20 #include "../common/mtk-afe-fe-dai.h"
  21
  22 enum {
  23         MTK_AFE_RATE_8K = 0,
  24         MTK_AFE_RATE_11K = 1,
  25         MTK_AFE_RATE_12K = 2,
  26         MTK_AFE_RATE_384K = 3,
  27         MTK_AFE_RATE_16K = 4,
  28         MTK_AFE_RATE_22K = 5,
  29         MTK_AFE_RATE_24K = 6,
  30         MTK_AFE_RATE_130K = 7,
  31         MTK_AFE_RATE_32K = 8,
  32         MTK_AFE_RATE_44K = 9,
  33         MTK_AFE_RATE_48K = 10,
  34         MTK_AFE_RATE_88K = 11,
  35         MTK_AFE_RATE_96K = 12,
  36         MTK_AFE_RATE_174K = 13,
  37         MTK_AFE_RATE_192K = 14,
  38         MTK_AFE_RATE_260K = 15,
  39 };
  40
  41 enum {
  42         MTK_AFE_DAI_MEMIF_RATE_8K = 0,
  43         MTK_AFE_DAI_MEMIF_RATE_16K = 1,
  44         MTK_AFE_DAI_MEMIF_RATE_32K = 2,
  45 };
  46
  47 enum {
  48         MTK_AFE_PCM_RATE_8K = 0,
  49         MTK_AFE_PCM_RATE_16K = 1,
  50         MTK_AFE_PCM_RATE_32K = 2,
  51         MTK_AFE_PCM_RATE_48K = 3,
  52 };
  53
  54 unsigned int mt6797_general_rate_transform(struct device *dev,
  55                                            unsigned int rate)
  56 {
  57         switch (rate) {
  58         case 8000:
  59                 return MTK_AFE_RATE_8K;
  60         case 11025:
  61                 return MTK_AFE_RATE_11K;
  62         case 12000:
  63                 return MTK_AFE_RATE_12K;
  64         case 16000:
  65                 return MTK_AFE_RATE_16K;
  66         case 22050:
  67                 return MTK_AFE_RATE_22K;
  68         case 24000:
  69                 return MTK_AFE_RATE_24K;
  70         case 32000:
  71                 return MTK_AFE_RATE_32K;
  72         case 44100:
  73                 return MTK_AFE_RATE_44K;
  74         case 48000:
  75                 return MTK_AFE_RATE_48K;
  76         case 88200:
  77                 return MTK_AFE_RATE_88K;
  78         case 96000:
  79                 return MTK_AFE_RATE_96K;
  80         case 130000:
  81                 return MTK_AFE_RATE_130K;
  82         case 176400:
  83                 return MTK_AFE_RATE_174K;
  84         case 192000:
  85                 return MTK_AFE_RATE_192K;
  86         case 260000:
  87                 return MTK_AFE_RATE_260K;
  88         default:
  89                 dev_warn(dev, "%s(), rate %u invalid, use %d!!!\n",
  90                          __func__, rate, MTK_AFE_RATE_48K);
  91                 return MTK_AFE_RATE_48K;
  92         }
  93 }
  94
  95 static unsigned int dai_memif_rate_transform(struct device *dev,
  96                                              unsigned int rate)
  97 {
  98         switch (rate) {
  99         case 8000:
 100                 return MTK_AFE_DAI_MEMIF_RATE_8K;
 101         case 16000:
 102                 return MTK_AFE_DAI_MEMIF_RATE_16K;
 103         case 32000:
 104                 return MTK_AFE_DAI_MEMIF_RATE_32K;
 105         default:
 106                 dev_warn(dev, "%s(), rate %u invalid, use %d!!!\n",
 107                          __func__, rate, MTK_AFE_DAI_MEMIF_RATE_16K);
 108                 return MTK_AFE_DAI_MEMIF_RATE_16K;
 109         }
 110 }
 111
 112 unsigned int mt6797_rate_transform(struct device *dev,
 113                                    unsigned int rate, int aud_blk)
 114 {
 115         switch (aud_blk) {
 116         case MT6797_MEMIF_DAI:
 117         case MT6797_MEMIF_MOD_DAI:
 118                 return dai_memif_rate_transform(dev, rate);
 119         default:
 120                 return mt6797_general_rate_transform(dev, rate);
 121         }
 122 }
 123
 124 static const struct snd_pcm_hardware mt6797_afe_hardware = {
 125         .info = SNDRV_PCM_INFO_MMAP |
 126                 SNDRV_PCM_INFO_INTERLEAVED |
 127                 SNDRV_PCM_INFO_MMAP_VALID,
 128         .formats = SNDRV_PCM_FMTBIT_S16_LE |
 129                    SNDRV_PCM_FMTBIT_S24_LE |
 130                    SNDRV_PCM_FMTBIT_S32_LE,
 131         .period_bytes_min = 256,
 132         .period_bytes_max = 4 * 48 * 1024,
 133         .periods_min = 2,
 134         .periods_max = 256,
 135         .buffer_bytes_max = 8 * 48 * 1024,
 136         .fifo_size = 0,
 137 };
 138
 139 static int mt6797_memif_fs(struct snd_pcm_substream *substream,
 140                            unsigned int rate)
 141 {
 142         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 143         struct snd_soc_component *component =
 144                 snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
 145         struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 146         int id = rtd->cpu_dai->id;
 147
 148         return mt6797_rate_transform(afe->dev, rate, id);
 149 }
 150
 151 static int mt6797_irq_fs(struct snd_pcm_substream *substream, unsigned int rate)
 152 {
 153         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 154         struct snd_soc_component *component =
 155                 snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
 156         struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 157
 158         return mt6797_general_rate_transform(afe->dev, rate);
 159 }
 160
 161 #define MTK_PCM_RATES (SNDRV_PCM_RATE_8000_48000 |\
 162                        SNDRV_PCM_RATE_88200 |\
 163                        SNDRV_PCM_RATE_96000 |\
 164                        SNDRV_PCM_RATE_176400 |\
 165                        SNDRV_PCM_RATE_192000)
 166
 167 #define MTK_PCM_DAI_RATES (SNDRV_PCM_RATE_8000 |\
 168                            SNDRV_PCM_RATE_16000 |\
 169                            SNDRV_PCM_RATE_32000)
 170
 171 #define MTK_PCM_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
 172                          SNDRV_PCM_FMTBIT_S24_LE |\
 173                          SNDRV_PCM_FMTBIT_S32_LE)
 174
 175 static struct snd_soc_dai_driver mt6797_memif_dai_driver[] = {
 176         /* FE DAIs: memory intefaces to CPU */
 177         {
 178                 .name = "DL1",
 179                 .id = MT6797_MEMIF_DL1,
 180                 .playback = {
 181                         .stream_name = "DL1",
 182                         .channels_min = 1,
 183                         .channels_max = 2,
 184                         .rates = MTK_PCM_RATES,
 185                         .formats = MTK_PCM_FORMATS,
 186                 },
 187                 .ops = &mtk_afe_fe_ops,
 188         },
 189         {
 190                 .name = "DL2",
 191                 .id = MT6797_MEMIF_DL2,
 192                 .playback = {
 193                         .stream_name = "DL2",
 194                         .channels_min = 1,
 195                         .channels_max = 2,
 196                         .rates = MTK_PCM_RATES,
 197                         .formats = MTK_PCM_FORMATS,
 198                 },
 199                 .ops = &mtk_afe_fe_ops,
 200         },
 201         {
 202                 .name = "DL3",
 203                 .id = MT6797_MEMIF_DL3,
 204                 .playback = {
 205                         .stream_name = "DL3",
 206                         .channels_min = 1,
 207                         .channels_max = 2,
 208                         .rates = MTK_PCM_RATES,
 209                         .formats = MTK_PCM_FORMATS,
 210                 },
 211                 .ops = &mtk_afe_fe_ops,
 212         },
 213         {
 214                 .name = "UL1",
 215                 .id = MT6797_MEMIF_VUL12,
 216                 .capture = {
 217                         .stream_name = "UL1",
 218                         .channels_min = 1,
 219                         .channels_max = 2,
 220                         .rates = MTK_PCM_RATES,
 221                         .formats = MTK_PCM_FORMATS,
 222                 },
 223                 .ops = &mtk_afe_fe_ops,
 224         },
 225         {
 226                 .name = "UL2",
 227                 .id = MT6797_MEMIF_AWB,
 228                 .capture = {
 229                         .stream_name = "UL2",
 230                         .channels_min = 1,
 231                         .channels_max = 2,
 232                         .rates = MTK_PCM_RATES,
 233                         .formats = MTK_PCM_FORMATS,
 234                 },
 235                 .ops = &mtk_afe_fe_ops,
 236         },
 237         {
 238                 .name = "UL3",
 239                 .id = MT6797_MEMIF_VUL,
 240                 .capture = {
 241                         .stream_name = "UL3",
 242                         .channels_min = 1,
 243                         .channels_max = 2,
 244                         .rates = MTK_PCM_RATES,
 245                         .formats = MTK_PCM_FORMATS,
 246                 },
 247                 .ops = &mtk_afe_fe_ops,
 248         },
 249         {
 250                 .name = "UL_MONO_1",
 251                 .id = MT6797_MEMIF_MOD_DAI,
 252                 .capture = {
 253                         .stream_name = "UL_MONO_1",
 254                         .channels_min = 1,
 255                         .channels_max = 1,
 256                         .rates = MTK_PCM_DAI_RATES,
 257                         .formats = MTK_PCM_FORMATS,
 258                 },
 259                 .ops = &mtk_afe_fe_ops,
 260         },
 261         {
 262                 .name = "UL_MONO_2",
 263                 .id = MT6797_MEMIF_DAI,
 264                 .capture = {
 265                         .stream_name = "UL_MONO_2",
 266                         .channels_min = 1,
 267                         .channels_max = 1,
 268                         .rates = MTK_PCM_DAI_RATES,
 269                         .formats = MTK_PCM_FORMATS,
 270                 },
 271                 .ops = &mtk_afe_fe_ops,
 272         },
 273 };
 274
 275 /* dma widget & routes*/
 276 static const struct snd_kcontrol_new memif_ul1_ch1_mix[] = {
 277         SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN21,
 278                                     I_ADDA_UL_CH1, 1, 0),
 279 };
 280
 281 static const struct snd_kcontrol_new memif_ul1_ch2_mix[] = {
 282         SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN22,
 283                                     I_ADDA_UL_CH2, 1, 0),
 284 };
 285
 286 static const struct snd_kcontrol_new memif_ul2_ch1_mix[] = {
 287         SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN5,
 288                                     I_ADDA_UL_CH1, 1, 0),
 289         SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN5,
 290                                     I_DL1_CH1, 1, 0),
 291         SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN5,
 292                                     I_DL2_CH1, 1, 0),
 293         SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH1", AFE_CONN5,
 294                                     I_DL3_CH1, 1, 0),
 295 };
 296
 297 static const struct snd_kcontrol_new memif_ul2_ch2_mix[] = {
 298         SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN6,
 299                                     I_ADDA_UL_CH2, 1, 0),
 300         SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH2", AFE_CONN6,
 301                                     I_DL1_CH2, 1, 0),
 302         SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN6,
 303                                     I_DL2_CH2, 1, 0),
 304         SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH2", AFE_CONN6,
 305                                     I_DL3_CH2, 1, 0),
 306 };
 307
 308 static const struct snd_kcontrol_new memif_ul3_ch1_mix[] = {
 309         SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN9,
 310                                     I_ADDA_UL_CH1, 1, 0),
 311 };
 312
 313 static const struct snd_kcontrol_new memif_ul3_ch2_mix[] = {
 314         SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN10,
 315                                     I_ADDA_UL_CH2, 1, 0),
 316 };
 317
 318 static const struct snd_kcontrol_new memif_ul_mono_1_mix[] = {
 319         SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN12,
 320                                     I_ADDA_UL_CH1, 1, 0),
 321         SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN12,
 322                                     I_ADDA_UL_CH2, 1, 0),
 323 };
 324
 325 static const struct snd_kcontrol_new memif_ul_mono_2_mix[] = {
 326         SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN11,
 327                                     I_ADDA_UL_CH1, 1, 0),
 328         SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN11,
 329                                     I_ADDA_UL_CH2, 1, 0),
 330 };
 331
 332 static const struct snd_soc_dapm_widget mt6797_memif_widgets[] = {
 333         /* memif */
 334         SND_SOC_DAPM_MIXER("UL1_CH1", SND_SOC_NOPM, 0, 0,
 335                            memif_ul1_ch1_mix, ARRAY_SIZE(memif_ul1_ch1_mix)),
 336         SND_SOC_DAPM_MIXER("UL1_CH2", SND_SOC_NOPM, 0, 0,
 337                            memif_ul1_ch2_mix, ARRAY_SIZE(memif_ul1_ch2_mix)),
 338
 339         SND_SOC_DAPM_MIXER("UL2_CH1", SND_SOC_NOPM, 0, 0,
 340                            memif_ul2_ch1_mix, ARRAY_SIZE(memif_ul2_ch1_mix)),
 341         SND_SOC_DAPM_MIXER("UL2_CH2", SND_SOC_NOPM, 0, 0,
 342                            memif_ul2_ch2_mix, ARRAY_SIZE(memif_ul2_ch2_mix)),
 343
 344         SND_SOC_DAPM_MIXER("UL3_CH1", SND_SOC_NOPM, 0, 0,
 345                            memif_ul3_ch1_mix, ARRAY_SIZE(memif_ul3_ch1_mix)),
 346         SND_SOC_DAPM_MIXER("UL3_CH2", SND_SOC_NOPM, 0, 0,
 347                            memif_ul3_ch2_mix, ARRAY_SIZE(memif_ul3_ch2_mix)),
 348
 349         SND_SOC_DAPM_MIXER("UL_MONO_1_CH1", SND_SOC_NOPM, 0, 0,
 350                            memif_ul_mono_1_mix,
 351                            ARRAY_SIZE(memif_ul_mono_1_mix)),
 352
 353         SND_SOC_DAPM_MIXER("UL_MONO_2_CH1", SND_SOC_NOPM, 0, 0,
 354                            memif_ul_mono_2_mix,
 355                            ARRAY_SIZE(memif_ul_mono_2_mix)),
 356 };
 357
 358 static const struct snd_soc_dapm_route mt6797_memif_routes[] = {
 359         /* capture */
 360         {"UL1", NULL, "UL1_CH1"},
 361         {"UL1", NULL, "UL1_CH2"},
 362         {"UL1_CH1", "ADDA_UL_CH1", "ADDA Capture"},
 363         {"UL1_CH2", "ADDA_UL_CH2", "ADDA Capture"},
 364
 365         {"UL2", NULL, "UL2_CH1"},
 366         {"UL2", NULL, "UL2_CH2"},
 367         {"UL2_CH1", "ADDA_UL_CH1", "ADDA Capture"},
 368         {"UL2_CH2", "ADDA_UL_CH2", "ADDA Capture"},
 369
 370         {"UL3", NULL, "UL3_CH1"},
 371         {"UL3", NULL, "UL3_CH2"},
 372         {"UL3_CH1", "ADDA_UL_CH1", "ADDA Capture"},
 373         {"UL3_CH2", "ADDA_UL_CH2", "ADDA Capture"},
 374
 375         {"UL_MONO_1", NULL, "UL_MONO_1_CH1"},
 376         {"UL_MONO_1_CH1", "ADDA_UL_CH1", "ADDA Capture"},
 377         {"UL_MONO_1_CH1", "ADDA_UL_CH2", "ADDA Capture"},
 378
 379         {"UL_MONO_2", NULL, "UL_MONO_2_CH1"},
 380         {"UL_MONO_2_CH1", "ADDA_UL_CH1", "ADDA Capture"},
 381         {"UL_MONO_2_CH1", "ADDA_UL_CH2", "ADDA Capture"},
 382 };
 383
 384 static const struct snd_soc_component_driver mt6797_afe_pcm_dai_component = {
 385         .name = "mt6797-afe-pcm-dai",
 386 };
 387
 388 static const struct mtk_base_memif_data memif_data[MT6797_MEMIF_NUM] = {
 389         [MT6797_MEMIF_DL1] = {
 390                 .name = "DL1",
 391                 .id = MT6797_MEMIF_DL1,
 392                 .reg_ofs_base = AFE_DL1_BASE,
 393                 .reg_ofs_cur = AFE_DL1_CUR,
 394                 .fs_reg = AFE_DAC_CON1,
 395                 .fs_shift = DL1_MODE_SFT,
 396                 .fs_maskbit = DL1_MODE_MASK,
 397                 .mono_reg = AFE_DAC_CON1,
 398                 .mono_shift = DL1_DATA_SFT,
 399                 .enable_reg = AFE_DAC_CON0,
 400                 .enable_shift = DL1_ON_SFT,
 401                 .hd_reg = AFE_MEMIF_HD_MODE,
 402                 .hd_shift = DL1_HD_SFT,
 403                 .agent_disable_reg = -1,
 404                 .agent_disable_shift = -1,
 405                 .msb_reg = -1,
 406                 .msb_shift = -1,
 407         },
 408         [MT6797_MEMIF_DL2] = {
 409                 .name = "DL2",
 410                 .id = MT6797_MEMIF_DL2,
 411                 .reg_ofs_base = AFE_DL2_BASE,
 412                 .reg_ofs_cur = AFE_DL2_CUR,
 413                 .fs_reg = AFE_DAC_CON1,
 414                 .fs_shift = DL2_MODE_SFT,
 415                 .fs_maskbit = DL2_MODE_MASK,
 416                 .mono_reg = AFE_DAC_CON1,
 417                 .mono_shift = DL2_DATA_SFT,
 418                 .enable_reg = AFE_DAC_CON0,
 419                 .enable_shift = DL2_ON_SFT,
 420                 .hd_reg = AFE_MEMIF_HD_MODE,
 421                 .hd_shift = DL2_HD_SFT,
 422                 .agent_disable_reg = -1,
 423                 .agent_disable_shift = -1,
 424                 .msb_reg = -1,
 425                 .msb_shift = -1,
 426         },
 427         [MT6797_MEMIF_DL3] = {
 428                 .name = "DL3",
 429                 .id = MT6797_MEMIF_DL3,
 430                 .reg_ofs_base = AFE_DL3_BASE,
 431                 .reg_ofs_cur = AFE_DL3_CUR,
 432                 .fs_reg = AFE_DAC_CON0,
 433                 .fs_shift = DL3_MODE_SFT,
 434                 .fs_maskbit = DL3_MODE_MASK,
 435                 .mono_reg = AFE_DAC_CON1,
 436                 .mono_shift = DL3_DATA_SFT,
 437                 .enable_reg = AFE_DAC_CON0,
 438                 .enable_shift = DL3_ON_SFT,
 439                 .hd_reg = AFE_MEMIF_HD_MODE,
 440                 .hd_shift = DL3_HD_SFT,
 441                 .agent_disable_reg = -1,
 442                 .agent_disable_shift = -1,
 443                 .msb_reg = -1,
 444                 .msb_shift = -1,
 445         },
 446         [MT6797_MEMIF_VUL] = {
 447                 .name = "VUL",
 448                 .id = MT6797_MEMIF_VUL,
 449                 .reg_ofs_base = AFE_VUL_BASE,
 450                 .reg_ofs_cur = AFE_VUL_CUR,
 451                 .fs_reg = AFE_DAC_CON1,
 452                 .fs_shift = VUL_MODE_SFT,
 453                 .fs_maskbit = VUL_MODE_MASK,
 454                 .mono_reg = AFE_DAC_CON1,
 455                 .mono_shift = VUL_DATA_SFT,
 456                 .enable_reg = AFE_DAC_CON0,
 457                 .enable_shift = VUL_ON_SFT,
 458                 .hd_reg = AFE_MEMIF_HD_MODE,
 459                 .hd_shift = VUL_HD_SFT,
 460                 .agent_disable_reg = -1,
 461                 .agent_disable_shift = -1,
 462                 .msb_reg = -1,
 463                 .msb_shift = -1,
 464         },
 465         [MT6797_MEMIF_AWB] = {
 466                 .name = "AWB",
 467                 .id = MT6797_MEMIF_AWB,
 468                 .reg_ofs_base = AFE_AWB_BASE,
 469                 .reg_ofs_cur = AFE_AWB_CUR,
 470                 .fs_reg = AFE_DAC_CON1,
 471                 .fs_shift = AWB_MODE_SFT,
 472                 .fs_maskbit = AWB_MODE_MASK,
 473                 .mono_reg = AFE_DAC_CON1,
 474                 .mono_shift = AWB_DATA_SFT,
 475                 .enable_reg = AFE_DAC_CON0,
 476                 .enable_shift = AWB_ON_SFT,
 477                 .hd_reg = AFE_MEMIF_HD_MODE,
 478                 .hd_shift = AWB_HD_SFT,
 479                 .agent_disable_reg = -1,
 480                 .agent_disable_shift = -1,
 481                 .msb_reg = -1,
 482                 .msb_shift = -1,
 483         },
 484         [MT6797_MEMIF_VUL12] = {
 485                 .name = "VUL12",
 486                 .id = MT6797_MEMIF_VUL12,
 487                 .reg_ofs_base = AFE_VUL_D2_BASE,
 488                 .reg_ofs_cur = AFE_VUL_D2_CUR,
 489                 .fs_reg = AFE_DAC_CON0,
 490                 .fs_shift = VUL_DATA2_MODE_SFT,
 491                 .fs_maskbit = VUL_DATA2_MODE_MASK,
 492                 .mono_reg = AFE_DAC_CON0,
 493                 .mono_shift = VUL_DATA2_DATA_SFT,
 494                 .enable_reg = AFE_DAC_CON0,
 495                 .enable_shift = VUL_DATA2_ON_SFT,
 496                 .hd_reg = AFE_MEMIF_HD_MODE,
 497                 .hd_shift = VUL_DATA2_HD_SFT,
 498                 .agent_disable_reg = -1,
 499                 .agent_disable_shift = -1,
 500                 .msb_reg = -1,
 501                 .msb_shift = -1,
 502         },
 503         [MT6797_MEMIF_DAI] = {
 504                 .name = "DAI",
 505                 .id = MT6797_MEMIF_DAI,
 506                 .reg_ofs_base = AFE_DAI_BASE,
 507                 .reg_ofs_cur = AFE_DAI_CUR,
 508                 .fs_reg = AFE_DAC_CON0,
 509                 .fs_shift = DAI_MODE_SFT,
 510                 .fs_maskbit = DAI_MODE_MASK,
 511                 .mono_reg = -1,
 512                 .mono_shift = 0,
 513                 .enable_reg = AFE_DAC_CON0,
 514                 .enable_shift = DAI_ON_SFT,
 515                 .hd_reg = AFE_MEMIF_HD_MODE,
 516                 .hd_shift = DAI_HD_SFT,
 517                 .agent_disable_reg = -1,
 518                 .agent_disable_shift = -1,
 519                 .msb_reg = -1,
 520                 .msb_shift = -1,
 521         },
 522         [MT6797_MEMIF_MOD_DAI] = {
 523                 .name = "MOD_DAI",
 524                 .id = MT6797_MEMIF_MOD_DAI,
 525                 .reg_ofs_base = AFE_MOD_DAI_BASE,
 526                 .reg_ofs_cur = AFE_MOD_DAI_CUR,
 527                 .fs_reg = AFE_DAC_CON1,
 528                 .fs_shift = MOD_DAI_MODE_SFT,
 529                 .fs_maskbit = MOD_DAI_MODE_MASK,
 530                 .mono_reg = -1,
 531                 .mono_shift = 0,
 532                 .enable_reg = AFE_DAC_CON0,
 533                 .enable_shift = MOD_DAI_ON_SFT,
 534                 .hd_reg = AFE_MEMIF_HD_MODE,
 535                 .hd_shift = MOD_DAI_HD_SFT,
 536                 .agent_disable_reg = -1,
 537                 .agent_disable_shift = -1,
 538                 .msb_reg = -1,
 539                 .msb_shift = -1,
 540         },
 541 };
 542
 543 static const struct mtk_base_irq_data irq_data[MT6797_IRQ_NUM] = {
 544         [MT6797_IRQ_1] = {
 545                 .id = MT6797_IRQ_1,
 546                 .irq_cnt_reg = AFE_IRQ_MCU_CNT1,
 547                 .irq_cnt_shift = AFE_IRQ_MCU_CNT1_SFT,
 548                 .irq_cnt_maskbit = AFE_IRQ_MCU_CNT1_MASK,
 549                 .irq_fs_reg = AFE_IRQ_MCU_CON,
 550                 .irq_fs_shift = IRQ1_MCU_MODE_SFT,
 551                 .irq_fs_maskbit = IRQ1_MCU_MODE_MASK,
 552                 .irq_en_reg = AFE_IRQ_MCU_CON,
 553                 .irq_en_shift = IRQ1_MCU_ON_SFT,
 554                 .irq_clr_reg = AFE_IRQ_MCU_CLR,
 555                 .irq_clr_shift = IRQ1_MCU_CLR_SFT,
 556         },
 557         [MT6797_IRQ_2] = {
 558                 .id = MT6797_IRQ_2,
 559                 .irq_cnt_reg = AFE_IRQ_MCU_CNT2,
 560                 .irq_cnt_shift = AFE_IRQ_MCU_CNT2_SFT,
 561                 .irq_cnt_maskbit = AFE_IRQ_MCU_CNT2_MASK,
 562                 .irq_fs_reg = AFE_IRQ_MCU_CON,
 563                 .irq_fs_shift = IRQ2_MCU_MODE_SFT,
 564                 .irq_fs_maskbit = IRQ2_MCU_MODE_MASK,
 565                 .irq_en_reg = AFE_IRQ_MCU_CON,
 566                 .irq_en_shift = IRQ2_MCU_ON_SFT,
 567                 .irq_clr_reg = AFE_IRQ_MCU_CLR,
 568                 .irq_clr_shift = IRQ2_MCU_CLR_SFT,
 569         },
 570         [MT6797_IRQ_3] = {
 571                 .id = MT6797_IRQ_3,
 572                 .irq_cnt_reg = AFE_IRQ_MCU_CNT3,
 573                 .irq_cnt_shift = AFE_IRQ_MCU_CNT3_SFT,
 574                 .irq_cnt_maskbit = AFE_IRQ_MCU_CNT3_MASK,
 575                 .irq_fs_reg = AFE_IRQ_MCU_CON,
 576                 .irq_fs_shift = IRQ3_MCU_MODE_SFT,
 577                 .irq_fs_maskbit = IRQ3_MCU_MODE_MASK,
 578                 .irq_en_reg = AFE_IRQ_MCU_CON,
 579                 .irq_en_shift = IRQ3_MCU_ON_SFT,
 580                 .irq_clr_reg = AFE_IRQ_MCU_CLR,
 581                 .irq_clr_shift = IRQ3_MCU_CLR_SFT,
 582         },
 583         [MT6797_IRQ_4] = {
 584                 .id = MT6797_IRQ_4,
 585                 .irq_cnt_reg = AFE_IRQ_MCU_CNT4,
 586                 .irq_cnt_shift = AFE_IRQ_MCU_CNT4_SFT,
 587                 .irq_cnt_maskbit = AFE_IRQ_MCU_CNT4_MASK,
 588                 .irq_fs_reg = AFE_IRQ_MCU_CON,
 589                 .irq_fs_shift = IRQ4_MCU_MODE_SFT,
 590                 .irq_fs_maskbit = IRQ4_MCU_MODE_MASK,
 591                 .irq_en_reg = AFE_IRQ_MCU_CON,
 592                 .irq_en_shift = IRQ4_MCU_ON_SFT,
 593                 .irq_clr_reg = AFE_IRQ_MCU_CLR,
 594                 .irq_clr_shift = IRQ4_MCU_CLR_SFT,
 595         },
 596         [MT6797_IRQ_7] = {
 597                 .id = MT6797_IRQ_7,
 598                 .irq_cnt_reg = AFE_IRQ_MCU_CNT7,
 599                 .irq_cnt_shift = AFE_IRQ_MCU_CNT7_SFT,
 600                 .irq_cnt_maskbit = AFE_IRQ_MCU_CNT7_MASK,
 601                 .irq_fs_reg = AFE_IRQ_MCU_CON,
 602                 .irq_fs_shift = IRQ7_MCU_MODE_SFT,
 603                 .irq_fs_maskbit = IRQ7_MCU_MODE_MASK,
 604                 .irq_en_reg = AFE_IRQ_MCU_CON,
 605                 .irq_en_shift = IRQ7_MCU_ON_SFT,
 606                 .irq_clr_reg = AFE_IRQ_MCU_CLR,
 607                 .irq_clr_shift = IRQ7_MCU_CLR_SFT,
 608         },
 609 };
 610
 611 static const struct regmap_config mt6797_afe_regmap_config = {
 612         .reg_bits = 32,
 613         .reg_stride = 4,
 614         .val_bits = 32,
 615         .max_register = AFE_MAX_REGISTER,
 616 };
 617
 618 static irqreturn_t mt6797_afe_irq_handler(int irq_id, void *dev)
 619 {
 620         struct mtk_base_afe *afe = dev;
 621         struct mtk_base_afe_irq *irq;
 622         unsigned int status;
 623         unsigned int mcu_en;
 624         int ret;
 625         int i;
 626         irqreturn_t irq_ret = IRQ_HANDLED;
 627
 628         /* get irq that is sent to MCU */
 629         regmap_read(afe->regmap, AFE_IRQ_MCU_EN, &mcu_en);
 630
 631         ret = regmap_read(afe->regmap, AFE_IRQ_MCU_STATUS, &status);
 632         if (ret || (status & mcu_en) == 0) {
 633                 dev_err(afe->dev, "%s(), irq status err, ret %d, status 0x%x, mcu_en 0x%x\n",
 634                         __func__, ret, status, mcu_en);
 635
 636                 /* only clear IRQ which is sent to MCU */
 637                 status = mcu_en & AFE_IRQ_STATUS_BITS;
 638
 639                 irq_ret = IRQ_NONE;
 640                 goto err_irq;
 641         }
 642
 643         for (i = 0; i < MT6797_MEMIF_NUM; i++) {
 644                 struct mtk_base_afe_memif *memif = &afe->memif[i];
 645
 646                 if (!memif->substream)
 647                         continue;
 648
 649                 irq = &afe->irqs[memif->irq_usage];
 650
 651                 if (status & (1 << irq->irq_data->irq_en_shift))
 652                         snd_pcm_period_elapsed(memif->substream);
 653         }
 654
 655 err_irq:
 656         /* clear irq */
 657         regmap_write(afe->regmap,
 658                      AFE_IRQ_MCU_CLR,
 659                      status & AFE_IRQ_STATUS_BITS);
 660
 661         return irq_ret;
 662 }
 663
 664 static int mt6797_afe_runtime_suspend(struct device *dev)
 665 {
 666         struct mtk_base_afe *afe = dev_get_drvdata(dev);
 667         unsigned int afe_on_retm;
 668         int retry = 0;
 669
 670         /* disable AFE */
 671         regmap_update_bits(afe->regmap, AFE_DAC_CON0, AFE_ON_MASK_SFT, 0x0);
 672         do {
 673                 regmap_read(afe->regmap, AFE_DAC_CON0, &afe_on_retm);
 674                 if ((afe_on_retm & AFE_ON_RETM_MASK_SFT) == 0)
 675                         break;
 676
 677                 udelay(10);
 678         } while (++retry < 100000);
 679
 680         if (retry)
 681                 dev_warn(afe->dev, "%s(), retry %d\n", __func__, retry);
 682
 683         /* make sure all irq status are cleared */
 684         regmap_update_bits(afe->regmap, AFE_IRQ_MCU_CLR, 0xffff, 0xffff);
 685
 686         return mt6797_afe_disable_clock(afe);
 687 }
 688
 689 static int mt6797_afe_runtime_resume(struct device *dev)
 690 {
 691         struct mtk_base_afe *afe = dev_get_drvdata(dev);
 692         int ret;
 693
 694         ret = mt6797_afe_enable_clock(afe);
 695         if (ret)
 696                 return ret;
 697
 698         /* irq signal to mcu only */
 699         regmap_write(afe->regmap, AFE_IRQ_MCU_EN, AFE_IRQ_MCU_EN_MASK_SFT);
 700
 701         /* force all memif use normal mode */
 702         regmap_update_bits(afe->regmap, AFE_MEMIF_HDALIGN,
 703                            0x7ff << 16, 0x7ff << 16);
 704         /* force cpu use normal mode when access sram data */
 705         regmap_update_bits(afe->regmap, AFE_MEMIF_MSB,
 706                            CPU_COMPACT_MODE_MASK_SFT, 0);
 707         /* force cpu use 8_24 format when writing 32bit data */
 708         regmap_update_bits(afe->regmap, AFE_MEMIF_MSB,
 709                            CPU_HD_ALIGN_MASK_SFT, 0);
 710
 711         /* set all output port to 24bit */
 712         regmap_update_bits(afe->regmap, AFE_CONN_24BIT,
 713                            0x3fffffff, 0x3fffffff);
 714
 715         /* enable AFE */
 716         regmap_update_bits(afe->regmap, AFE_DAC_CON0,
 717                            AFE_ON_MASK_SFT,
 718                            0x1 << AFE_ON_SFT);
 719
 720         return 0;
 721 }
 722
 723 static int mt6797_afe_component_probe(struct snd_soc_component *component)
 724 {
 725         return mtk_afe_add_sub_dai_control(component);
 726 }
 727
 728 static const struct snd_soc_component_driver mt6797_afe_component = {
 729         .name = AFE_PCM_NAME,
 730         .ops = &mtk_afe_pcm_ops,
 731         .pcm_new = mtk_afe_pcm_new,
 732         .pcm_free = mtk_afe_pcm_free,
 733         .probe = mt6797_afe_component_probe,
 734 };
 735
 736 static int mt6797_afe_pcm_dev_probe(struct platform_device *pdev)
 737 {
 738         struct mtk_base_afe *afe;
 739         struct mt6797_afe_private *afe_priv;
 740         struct resource *res;
 741         struct device *dev;
 742         int i, irq_id, ret;
 743
 744         afe = devm_kzalloc(&pdev->dev, sizeof(*afe), GFP_KERNEL);
 745         if (!afe)
 746                 return -ENOMEM;
 747
 748         afe->platform_priv = devm_kzalloc(&pdev->dev, sizeof(*afe_priv),
 749                                           GFP_KERNEL);
 750         if (!afe->platform_priv)
 751                 return -ENOMEM;
 752
 753         afe_priv = afe->platform_priv;
 754         afe->dev = &pdev->dev;
 755         dev = afe->dev;
 756
 757         /* initial audio related clock */
 758         ret = mt6797_init_clock(afe);
 759         if (ret) {
 760                 dev_err(dev, "init clock error\n");
 761                 return ret;
 762         }
 763
 764         /* regmap init */
 765         res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 766
 767         afe->base_addr = devm_ioremap_resource(&pdev->dev, res);
 768         if (IS_ERR(afe->base_addr))
 769                 return PTR_ERR(afe->base_addr);
 770
 771         afe->regmap = devm_regmap_init_mmio(&pdev->dev, afe->base_addr,
 772                                             &mt6797_afe_regmap_config);
 773         if (IS_ERR(afe->regmap))
 774                 return PTR_ERR(afe->regmap);
 775
 776         /* init memif */
 777         afe->memif_size = MT6797_MEMIF_NUM;
 778         afe->memif = devm_kcalloc(dev, afe->memif_size, sizeof(*afe->memif),
 779                                   GFP_KERNEL);
 780         if (!afe->memif)
 781                 return -ENOMEM;
 782
 783         for (i = 0; i < afe->memif_size; i++) {
 784                 afe->memif[i].data = &memif_data[i];
 785                 afe->memif[i].irq_usage = -1;
 786         }
 787
 788         mutex_init(&afe->irq_alloc_lock);
 789
 790         /* irq initialize */
 791         afe->irqs_size = MT6797_IRQ_NUM;
 792         afe->irqs = devm_kcalloc(dev, afe->irqs_size, sizeof(*afe->irqs),
 793                                  GFP_KERNEL);
 794         if (!afe->irqs)
 795                 return -ENOMEM;
 796
 797         for (i = 0; i < afe->irqs_size; i++)
 798                 afe->irqs[i].irq_data = &irq_data[i];
 799
 800         /* request irq */
 801         irq_id = platform_get_irq(pdev, 0);
 802         if (!irq_id) {
 803                 dev_err(dev, "%s no irq found\n", dev->of_node->name);
 804                 return -ENXIO;
 805         }
 806         ret = devm_request_irq(dev, irq_id, mt6797_afe_irq_handler,
 807                                IRQF_TRIGGER_NONE, "asys-isr", (void *)afe);
 808         if (ret) {
 809                 dev_err(dev, "could not request_irq for asys-isr\n");
 810                 return ret;
 811         }
 812
 813         /* init sub_dais */
 814         afe->num_sub_dais = MT6797_DAI_NUM;
 815         afe->sub_dais = devm_kcalloc(dev, afe->num_sub_dais,
 816                                      sizeof(*afe->sub_dais),
 817                                      GFP_KERNEL);
 818         if (!afe->sub_dais)
 819                 return -ENOMEM;
 820
 821         mt6797_dai_adda_register(afe);
 822         mt6797_dai_pcm_register(afe);
 823         mt6797_dai_hostless_register(afe);
 824
 825         afe->sub_dais[MT6797_MEMIF_DL1].dai_drivers = mt6797_memif_dai_driver;
 826         afe->sub_dais[MT6797_MEMIF_DL1].num_dai_drivers =
 827                 ARRAY_SIZE(mt6797_memif_dai_driver);
 828         afe->sub_dais[MT6797_MEMIF_DL1].dapm_widgets = mt6797_memif_widgets;
 829         afe->sub_dais[MT6797_MEMIF_DL1].num_dapm_widgets =
 830                 ARRAY_SIZE(mt6797_memif_widgets);
 831         afe->sub_dais[MT6797_MEMIF_DL1].dapm_routes = mt6797_memif_routes;
 832         afe->sub_dais[MT6797_MEMIF_DL1].num_dapm_routes =
 833                 ARRAY_SIZE(mt6797_memif_routes);
 834
 835         /* init dai_driver and component_driver */
 836         mtk_afe_combine_sub_dai(afe);
 837
 838         afe->mtk_afe_hardware = &mt6797_afe_hardware;
 839         afe->memif_fs = mt6797_memif_fs;
 840         afe->irq_fs = mt6797_irq_fs;
 841
 842         afe->runtime_resume = mt6797_afe_runtime_resume;
 843         afe->runtime_suspend = mt6797_afe_runtime_suspend;
 844
 845         platform_set_drvdata(pdev, afe);
 846
 847         pm_runtime_enable(dev);
 848         if (!pm_runtime_enabled(dev))
 849                 goto err_pm_disable;
 850         pm_runtime_get_sync(&pdev->dev);
 851
 852         /* register component */
 853         ret = devm_snd_soc_register_component(dev, &mt6797_afe_component,
 854                                               NULL, 0);
 855         if (ret) {
 856                 dev_warn(dev, "err_platform\n");
 857                 goto err_pm_disable;
 858         }
 859
 860         ret = devm_snd_soc_register_component(afe->dev,
 861                                      &mt6797_afe_pcm_dai_component,
 862                                      afe->dai_drivers,
 863                                      afe->num_dai_drivers);
 864         if (ret) {
 865                 dev_warn(dev, "err_dai_component\n");
 866                 goto err_pm_disable;
 867         }
 868
 869         return 0;
 870
 871 err_pm_disable:
 872         pm_runtime_disable(dev);
 873
 874         return ret;
 875 }
 876
 877 static int mt6797_afe_pcm_dev_remove(struct platform_device *pdev)
 878 {
 879         pm_runtime_disable(&pdev->dev);
 880         if (!pm_runtime_status_suspended(&pdev->dev))
 881                 mt6797_afe_runtime_suspend(&pdev->dev);
 882         pm_runtime_put_sync(&pdev->dev);
 883
 884         return 0;
 885 }
 886
 887 static const struct of_device_id mt6797_afe_pcm_dt_match[] = {
 888         { .compatible = "mediatek,mt6797-audio", },
 889         {},
 890 };
 891 MODULE_DEVICE_TABLE(of, mt6797_afe_pcm_dt_match);
 892
 893 static const struct dev_pm_ops mt6797_afe_pm_ops = {
 894         SET_RUNTIME_PM_OPS(mt6797_afe_runtime_suspend,
 895                            mt6797_afe_runtime_resume, NULL)
 896 };
 897
 898 static struct platform_driver mt6797_afe_pcm_driver = {
 899         .driver = {
 900                    .name = "mt6797-audio",
 901                    .of_match_table = mt6797_afe_pcm_dt_match,
 902 #ifdef CONFIG_PM
 903                    .pm = &mt6797_afe_pm_ops,
 904 #endif
 905         },
 906         .probe = mt6797_afe_pcm_dev_probe,
 907         .remove = mt6797_afe_pcm_dev_remove,
 908 };
 909
 910 module_platform_driver(mt6797_afe_pcm_driver);
 911
 912 MODULE_DESCRIPTION("Mediatek ALSA SoC AFE platform driver for 6797");
 913 MODULE_AUTHOR("KaiChieh Chuang <[email protected]>");
 914 MODULE_LICENSE("GPL v2");