sound/soc/mediatek/mt8173/mt8173-afe-pcm.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Mediatek 8173 ALSA SoC AFE platform driver
   4  *
   5  * Copyright (c) 2015 MediaTek Inc.
   6  * Author: Koro Chen <koro.chen@mediatek.com>
   7  *             Sascha Hauer <s.hauer@pengutronix.de>
   8  *             Hidalgo Huang <hidalgo.huang@mediatek.com>
   9  *             Ir Lian <ir.lian@mediatek.com>
  10  */
  11
  12 #include <linux/delay.h>
  13 #include <linux/module.h>
  14 #include <linux/of.h>
  15 #include <linux/of_address.h>
  16 #include <linux/dma-mapping.h>
  17 #include <linux/pm_runtime.h>
  18 #include <sound/soc.h>
  19 #include "mt8173-afe-common.h"
  20 #include "../common/mtk-base-afe.h"
  21 #include "../common/mtk-afe-platform-driver.h"
  22 #include "../common/mtk-afe-fe-dai.h"
  23
  24 /*****************************************************************************
  25  *                  R E G I S T E R       D E F I N I T I O N
  26  *****************************************************************************/
  27 #define AUDIO_TOP_CON0          0x0000
  28 #define AUDIO_TOP_CON1          0x0004
  29 #define AFE_DAC_CON0            0x0010
  30 #define AFE_DAC_CON1            0x0014
  31 #define AFE_I2S_CON1            0x0034
  32 #define AFE_I2S_CON2            0x0038
  33 #define AFE_CONN_24BIT          0x006c
  34 #define AFE_MEMIF_MSB           0x00cc
  35
  36 #define AFE_CONN1               0x0024
  37 #define AFE_CONN2               0x0028
  38 #define AFE_CONN3               0x002c
  39 #define AFE_CONN7               0x0460
  40 #define AFE_CONN8               0x0464
  41 #define AFE_HDMI_CONN0          0x0390
  42
  43 /* Memory interface */
  44 #define AFE_DL1_BASE            0x0040
  45 #define AFE_DL1_CUR             0x0044
  46 #define AFE_DL1_END             0x0048
  47 #define AFE_DL2_BASE            0x0050
  48 #define AFE_DL2_CUR             0x0054
  49 #define AFE_AWB_BASE            0x0070
  50 #define AFE_AWB_CUR             0x007c
  51 #define AFE_VUL_BASE            0x0080
  52 #define AFE_VUL_CUR             0x008c
  53 #define AFE_VUL_END             0x0088
  54 #define AFE_DAI_BASE            0x0090
  55 #define AFE_DAI_CUR             0x009c
  56 #define AFE_MOD_PCM_BASE        0x0330
  57 #define AFE_MOD_PCM_CUR         0x033c
  58 #define AFE_HDMI_OUT_BASE       0x0374
  59 #define AFE_HDMI_OUT_CUR        0x0378
  60 #define AFE_HDMI_OUT_END        0x037c
  61
  62 #define AFE_ADDA_TOP_CON0       0x0120
  63 #define AFE_ADDA2_TOP_CON0      0x0600
  64
  65 #define AFE_HDMI_OUT_CON0       0x0370
  66
  67 #define AFE_IRQ_MCU_CON         0x03a0
  68 #define AFE_IRQ_STATUS          0x03a4
  69 #define AFE_IRQ_CLR             0x03a8
  70 #define AFE_IRQ_CNT1            0x03ac
  71 #define AFE_IRQ_CNT2            0x03b0
  72 #define AFE_IRQ_MCU_EN          0x03b4
  73 #define AFE_IRQ_CNT5            0x03bc
  74 #define AFE_IRQ_CNT7            0x03dc
  75
  76 #define AFE_TDM_CON1            0x0548
  77 #define AFE_TDM_CON2            0x054c
  78
  79 #define AFE_IRQ_STATUS_BITS     0xff
  80
  81 /* AUDIO_TOP_CON0 (0x0000) */
  82 #define AUD_TCON0_PDN_SPDF              (0x1 << 21)
  83 #define AUD_TCON0_PDN_HDMI              (0x1 << 20)
  84 #define AUD_TCON0_PDN_24M               (0x1 << 9)
  85 #define AUD_TCON0_PDN_22M               (0x1 << 8)
  86 #define AUD_TCON0_PDN_AFE               (0x1 << 2)
  87
  88 /* AFE_I2S_CON1 (0x0034) */
  89 #define AFE_I2S_CON1_LOW_JITTER_CLK     (0x1 << 12)
  90 #define AFE_I2S_CON1_RATE(x)            (((x) & 0xf) << 8)
  91 #define AFE_I2S_CON1_FORMAT_I2S         (0x1 << 3)
  92 #define AFE_I2S_CON1_EN                 (0x1 << 0)
  93
  94 /* AFE_I2S_CON2 (0x0038) */
  95 #define AFE_I2S_CON2_LOW_JITTER_CLK     (0x1 << 12)
  96 #define AFE_I2S_CON2_RATE(x)            (((x) & 0xf) << 8)
  97 #define AFE_I2S_CON2_FORMAT_I2S         (0x1 << 3)
  98 #define AFE_I2S_CON2_EN                 (0x1 << 0)
  99
 100 /* AFE_CONN_24BIT (0x006c) */
 101 #define AFE_CONN_24BIT_O04              (0x1 << 4)
 102 #define AFE_CONN_24BIT_O03              (0x1 << 3)
 103
 104 /* AFE_HDMI_CONN0 (0x0390) */
 105 #define AFE_HDMI_CONN0_O37_I37          (0x7 << 21)
 106 #define AFE_HDMI_CONN0_O36_I36          (0x6 << 18)
 107 #define AFE_HDMI_CONN0_O35_I33          (0x3 << 15)
 108 #define AFE_HDMI_CONN0_O34_I32          (0x2 << 12)
 109 #define AFE_HDMI_CONN0_O33_I35          (0x5 << 9)
 110 #define AFE_HDMI_CONN0_O32_I34          (0x4 << 6)
 111 #define AFE_HDMI_CONN0_O31_I31          (0x1 << 3)
 112 #define AFE_HDMI_CONN0_O30_I30          (0x0 << 0)
 113
 114 /* AFE_TDM_CON1 (0x0548) */
 115 #define AFE_TDM_CON1_LRCK_WIDTH(x)      (((x) - 1) << 24)
 116 #define AFE_TDM_CON1_32_BCK_CYCLES      (0x2 << 12)
 117 #define AFE_TDM_CON1_WLEN_32BIT         (0x2 << 8)
 118 #define AFE_TDM_CON1_MSB_ALIGNED        (0x1 << 4)
 119 #define AFE_TDM_CON1_1_BCK_DELAY        (0x1 << 3)
 120 #define AFE_TDM_CON1_LRCK_INV           (0x1 << 2)
 121 #define AFE_TDM_CON1_BCK_INV            (0x1 << 1)
 122 #define AFE_TDM_CON1_EN                 (0x1 << 0)
 123
 124 enum afe_tdm_ch_start {
 125         AFE_TDM_CH_START_O30_O31 = 0,
 126         AFE_TDM_CH_START_O32_O33,
 127         AFE_TDM_CH_START_O34_O35,
 128         AFE_TDM_CH_START_O36_O37,
 129         AFE_TDM_CH_ZERO,
 130 };
 131
 132 static const unsigned int mt8173_afe_backup_list[] = {
 133         AUDIO_TOP_CON0,
 134         AFE_CONN1,
 135         AFE_CONN2,
 136         AFE_CONN7,
 137         AFE_CONN8,
 138         AFE_DAC_CON1,
 139         AFE_DL1_BASE,
 140         AFE_DL1_END,
 141         AFE_VUL_BASE,
 142         AFE_VUL_END,
 143         AFE_HDMI_OUT_BASE,
 144         AFE_HDMI_OUT_END,
 145         AFE_HDMI_CONN0,
 146         AFE_DAC_CON0,
 147 };
 148
 149 struct mt8173_afe_private {
 150         struct clk *clocks[MT8173_CLK_NUM];
 151 };
 152
 153 static const struct snd_pcm_hardware mt8173_afe_hardware = {
 154         .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 155                  SNDRV_PCM_INFO_MMAP_VALID),
 156         .buffer_bytes_max = 256 * 1024,
 157         .period_bytes_min = 512,
 158         .period_bytes_max = 128 * 1024,
 159         .periods_min = 2,
 160         .periods_max = 256,
 161         .fifo_size = 0,
 162 };
 163
 164 struct mt8173_afe_rate {
 165         unsigned int rate;
 166         unsigned int regvalue;
 167 };
 168
 169 static const struct mt8173_afe_rate mt8173_afe_i2s_rates[] = {
 170         { .rate = 8000, .regvalue = 0 },
 171         { .rate = 11025, .regvalue = 1 },
 172         { .rate = 12000, .regvalue = 2 },
 173         { .rate = 16000, .regvalue = 4 },
 174         { .rate = 22050, .regvalue = 5 },
 175         { .rate = 24000, .regvalue = 6 },
 176         { .rate = 32000, .regvalue = 8 },
 177         { .rate = 44100, .regvalue = 9 },
 178         { .rate = 48000, .regvalue = 10 },
 179         { .rate = 88000, .regvalue = 11 },
 180         { .rate = 96000, .regvalue = 12 },
 181         { .rate = 174000, .regvalue = 13 },
 182         { .rate = 192000, .regvalue = 14 },
 183 };
 184
 185 static int mt8173_afe_i2s_fs(unsigned int sample_rate)
 186 {
 187         int i;
 188
 189         for (i = 0; i < ARRAY_SIZE(mt8173_afe_i2s_rates); i++)
 190                 if (mt8173_afe_i2s_rates[i].rate == sample_rate)
 191                         return mt8173_afe_i2s_rates[i].regvalue;
 192
 193         return -EINVAL;
 194 }
 195
 196 static int mt8173_afe_set_i2s(struct mtk_base_afe *afe, unsigned int rate)
 197 {
 198         unsigned int val;
 199         int fs = mt8173_afe_i2s_fs(rate);
 200
 201         if (fs < 0)
 202                 return -EINVAL;
 203
 204         /* from external ADC */
 205         regmap_update_bits(afe->regmap, AFE_ADDA_TOP_CON0, 0x1, 0x1);
 206         regmap_update_bits(afe->regmap, AFE_ADDA2_TOP_CON0, 0x1, 0x1);
 207
 208         /* set input */
 209         val = AFE_I2S_CON2_LOW_JITTER_CLK |
 210               AFE_I2S_CON2_RATE(fs) |
 211               AFE_I2S_CON2_FORMAT_I2S;
 212
 213         regmap_update_bits(afe->regmap, AFE_I2S_CON2, ~AFE_I2S_CON2_EN, val);
 214
 215         /* set output */
 216         val = AFE_I2S_CON1_LOW_JITTER_CLK |
 217               AFE_I2S_CON1_RATE(fs) |
 218               AFE_I2S_CON1_FORMAT_I2S;
 219
 220         regmap_update_bits(afe->regmap, AFE_I2S_CON1, ~AFE_I2S_CON1_EN, val);
 221         return 0;
 222 }
 223
 224 static void mt8173_afe_set_i2s_enable(struct mtk_base_afe *afe, bool enable)
 225 {
 226         unsigned int val;
 227
 228         regmap_read(afe->regmap, AFE_I2S_CON2, &val);
 229         if (!!(val & AFE_I2S_CON2_EN) == enable)
 230                 return;
 231
 232         /* input */
 233         regmap_update_bits(afe->regmap, AFE_I2S_CON2, 0x1, enable);
 234
 235         /* output */
 236         regmap_update_bits(afe->regmap, AFE_I2S_CON1, 0x1, enable);
 237 }
 238
 239 static int mt8173_afe_dais_enable_clks(struct mtk_base_afe *afe,
 240                                        struct clk *m_ck, struct clk *b_ck)
 241 {
 242         int ret;
 243
 244         if (m_ck) {
 245                 ret = clk_prepare_enable(m_ck);
 246                 if (ret) {
 247                         dev_err(afe->dev, "Failed to enable m_ck\n");
 248                         return ret;
 249                 }
 250         }
 251
 252         if (b_ck) {
 253                 ret = clk_prepare_enable(b_ck);
 254                 if (ret) {
 255                         dev_err(afe->dev, "Failed to enable b_ck\n");
 256                         return ret;
 257                 }
 258         }
 259         return 0;
 260 }
 261
 262 static int mt8173_afe_dais_set_clks(struct mtk_base_afe *afe,
 263                                     struct clk *m_ck, unsigned int mck_rate,
 264                                     struct clk *b_ck, unsigned int bck_rate)
 265 {
 266         int ret;
 267
 268         if (m_ck) {
 269                 ret = clk_set_rate(m_ck, mck_rate);
 270                 if (ret) {
 271                         dev_err(afe->dev, "Failed to set m_ck rate\n");
 272                         return ret;
 273                 }
 274         }
 275
 276         if (b_ck) {
 277                 ret = clk_set_rate(b_ck, bck_rate);
 278                 if (ret) {
 279                         dev_err(afe->dev, "Failed to set b_ck rate\n");
 280                         return ret;
 281                 }
 282         }
 283         return 0;
 284 }
 285
 286 static void mt8173_afe_dais_disable_clks(struct mtk_base_afe *afe,
 287                                          struct clk *m_ck, struct clk *b_ck)
 288 {
 289         if (m_ck)
 290                 clk_disable_unprepare(m_ck);
 291         if (b_ck)
 292                 clk_disable_unprepare(b_ck);
 293 }
 294
 295 static int mt8173_afe_i2s_startup(struct snd_pcm_substream *substream,
 296                                   struct snd_soc_dai *dai)
 297 {
 298         struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
 299
 300         if (snd_soc_dai_active(dai))
 301                 return 0;
 302
 303         regmap_update_bits(afe->regmap, AUDIO_TOP_CON0,
 304                            AUD_TCON0_PDN_22M | AUD_TCON0_PDN_24M, 0);
 305         return 0;
 306 }
 307
 308 static void mt8173_afe_i2s_shutdown(struct snd_pcm_substream *substream,
 309                                     struct snd_soc_dai *dai)
 310 {
 311         struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
 312
 313         if (snd_soc_dai_active(dai))
 314                 return;
 315
 316         mt8173_afe_set_i2s_enable(afe, false);
 317         regmap_update_bits(afe->regmap, AUDIO_TOP_CON0,
 318                            AUD_TCON0_PDN_22M | AUD_TCON0_PDN_24M,
 319                            AUD_TCON0_PDN_22M | AUD_TCON0_PDN_24M);
 320 }
 321
 322 static int mt8173_afe_i2s_prepare(struct snd_pcm_substream *substream,
 323                                   struct snd_soc_dai *dai)
 324 {
 325         struct snd_pcm_runtime * const runtime = substream->runtime;
 326         struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
 327         struct mt8173_afe_private *afe_priv = afe->platform_priv;
 328         int ret;
 329
 330         mt8173_afe_dais_set_clks(afe, afe_priv->clocks[MT8173_CLK_I2S1_M],
 331                                  runtime->rate * 256, NULL, 0);
 332         mt8173_afe_dais_set_clks(afe, afe_priv->clocks[MT8173_CLK_I2S2_M],
 333                                  runtime->rate * 256, NULL, 0);
 334         /* config I2S */
 335         ret = mt8173_afe_set_i2s(afe, substream->runtime->rate);
 336         if (ret)
 337                 return ret;
 338
 339         mt8173_afe_set_i2s_enable(afe, true);
 340
 341         return 0;
 342 }
 343
 344 static int mt8173_afe_hdmi_startup(struct snd_pcm_substream *substream,
 345                                    struct snd_soc_dai *dai)
 346 {
 347         struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
 348         struct mt8173_afe_private *afe_priv = afe->platform_priv;
 349
 350         if (snd_soc_dai_active(dai))
 351                 return 0;
 352
 353         mt8173_afe_dais_enable_clks(afe, afe_priv->clocks[MT8173_CLK_I2S3_M],
 354                                     afe_priv->clocks[MT8173_CLK_I2S3_B]);
 355         return 0;
 356 }
 357
 358 static void mt8173_afe_hdmi_shutdown(struct snd_pcm_substream *substream,
 359                                      struct snd_soc_dai *dai)
 360 {
 361         struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
 362         struct mt8173_afe_private *afe_priv = afe->platform_priv;
 363
 364         if (snd_soc_dai_active(dai))
 365                 return;
 366
 367         mt8173_afe_dais_disable_clks(afe, afe_priv->clocks[MT8173_CLK_I2S3_M],
 368                                      afe_priv->clocks[MT8173_CLK_I2S3_B]);
 369 }
 370
 371 static int mt8173_afe_hdmi_prepare(struct snd_pcm_substream *substream,
 372                                    struct snd_soc_dai *dai)
 373 {
 374         struct snd_pcm_runtime * const runtime = substream->runtime;
 375         struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
 376         struct mt8173_afe_private *afe_priv = afe->platform_priv;
 377
 378         unsigned int val;
 379
 380         mt8173_afe_dais_set_clks(afe, afe_priv->clocks[MT8173_CLK_I2S3_M],
 381                                  runtime->rate * 128,
 382                                  afe_priv->clocks[MT8173_CLK_I2S3_B],
 383                                  runtime->rate * runtime->channels * 32);
 384
 385         val = AFE_TDM_CON1_BCK_INV |
 386               AFE_TDM_CON1_LRCK_INV |
 387               AFE_TDM_CON1_1_BCK_DELAY |
 388               AFE_TDM_CON1_MSB_ALIGNED | /* I2S mode */
 389               AFE_TDM_CON1_WLEN_32BIT |
 390               AFE_TDM_CON1_32_BCK_CYCLES |
 391               AFE_TDM_CON1_LRCK_WIDTH(32);
 392         regmap_update_bits(afe->regmap, AFE_TDM_CON1, ~AFE_TDM_CON1_EN, val);
 393
 394         /* set tdm2 config */
 395         switch (runtime->channels) {
 396         case 1:
 397         case 2:
 398                 val = AFE_TDM_CH_START_O30_O31;
 399                 val |= (AFE_TDM_CH_ZERO << 4);
 400                 val |= (AFE_TDM_CH_ZERO << 8);
 401                 val |= (AFE_TDM_CH_ZERO << 12);
 402                 break;
 403         case 3:
 404         case 4:
 405                 val = AFE_TDM_CH_START_O30_O31;
 406                 val |= (AFE_TDM_CH_START_O32_O33 << 4);
 407                 val |= (AFE_TDM_CH_ZERO << 8);
 408                 val |= (AFE_TDM_CH_ZERO << 12);
 409                 break;
 410         case 5:
 411         case 6:
 412                 val = AFE_TDM_CH_START_O30_O31;
 413                 val |= (AFE_TDM_CH_START_O32_O33 << 4);
 414                 val |= (AFE_TDM_CH_START_O34_O35 << 8);
 415                 val |= (AFE_TDM_CH_ZERO << 12);
 416                 break;
 417         case 7:
 418         case 8:
 419                 val = AFE_TDM_CH_START_O30_O31;
 420                 val |= (AFE_TDM_CH_START_O32_O33 << 4);
 421                 val |= (AFE_TDM_CH_START_O34_O35 << 8);
 422                 val |= (AFE_TDM_CH_START_O36_O37 << 12);
 423                 break;
 424         default:
 425                 val = 0;
 426         }
 427         regmap_update_bits(afe->regmap, AFE_TDM_CON2, 0x0000ffff, val);
 428
 429         regmap_update_bits(afe->regmap, AFE_HDMI_OUT_CON0,
 430                            0x000000f0, runtime->channels << 4);
 431         return 0;
 432 }
 433
 434 static int mt8173_afe_hdmi_trigger(struct snd_pcm_substream *substream, int cmd,
 435                                    struct snd_soc_dai *dai)
 436 {
 437         struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
 438
 439         dev_info(afe->dev, "%s cmd=%d %s\n", __func__, cmd, dai->name);
 440
 441         switch (cmd) {
 442         case SNDRV_PCM_TRIGGER_START:
 443         case SNDRV_PCM_TRIGGER_RESUME:
 444                 regmap_update_bits(afe->regmap, AUDIO_TOP_CON0,
 445                                    AUD_TCON0_PDN_HDMI | AUD_TCON0_PDN_SPDF, 0);
 446
 447                 /* set connections:  O30~O37: L/R/LS/RS/C/LFE/CH7/CH8 */
 448                 regmap_write(afe->regmap, AFE_HDMI_CONN0,
 449                                  AFE_HDMI_CONN0_O30_I30 |
 450                                  AFE_HDMI_CONN0_O31_I31 |
 451                                  AFE_HDMI_CONN0_O32_I34 |
 452                                  AFE_HDMI_CONN0_O33_I35 |
 453                                  AFE_HDMI_CONN0_O34_I32 |
 454                                  AFE_HDMI_CONN0_O35_I33 |
 455                                  AFE_HDMI_CONN0_O36_I36 |
 456                                  AFE_HDMI_CONN0_O37_I37);
 457
 458                 /* enable Out control */
 459                 regmap_update_bits(afe->regmap, AFE_HDMI_OUT_CON0, 0x1, 0x1);
 460
 461                 /* enable tdm */
 462                 regmap_update_bits(afe->regmap, AFE_TDM_CON1, 0x1, 0x1);
 463
 464                 return 0;
 465         case SNDRV_PCM_TRIGGER_STOP:
 466         case SNDRV_PCM_TRIGGER_SUSPEND:
 467                 /* disable tdm */
 468                 regmap_update_bits(afe->regmap, AFE_TDM_CON1, 0x1, 0);
 469
 470                 /* disable Out control */
 471                 regmap_update_bits(afe->regmap, AFE_HDMI_OUT_CON0, 0x1, 0);
 472
 473                 regmap_update_bits(afe->regmap, AUDIO_TOP_CON0,
 474                                    AUD_TCON0_PDN_HDMI | AUD_TCON0_PDN_SPDF,
 475                                    AUD_TCON0_PDN_HDMI | AUD_TCON0_PDN_SPDF);
 476                 return 0;
 477         default:
 478                 return -EINVAL;
 479         }
 480 }
 481
 482 static int mt8173_memif_fs(struct snd_pcm_substream *substream,
 483                            unsigned int rate)
 484 {
 485         struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 486         struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
 487         struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 488         struct mtk_base_afe_memif *memif = &afe->memif[asoc_rtd_to_cpu(rtd, 0)->id];
 489         int fs;
 490
 491         if (memif->data->id == MT8173_AFE_MEMIF_DAI ||
 492             memif->data->id == MT8173_AFE_MEMIF_MOD_DAI) {
 493                 switch (rate) {
 494                 case 8000:
 495                         fs = 0;
 496                         break;
 497                 case 16000:
 498                         fs = 1;
 499                         break;
 500                 case 32000:
 501                         fs = 2;
 502                         break;
 503                 default:
 504                         return -EINVAL;
 505                 }
 506         } else {
 507                 fs = mt8173_afe_i2s_fs(rate);
 508         }
 509         return fs;
 510 }
 511
 512 static int mt8173_irq_fs(struct snd_pcm_substream *substream, unsigned int rate)
 513 {
 514         return mt8173_afe_i2s_fs(rate);
 515 }
 516
 517 /* BE DAIs */
 518 static const struct snd_soc_dai_ops mt8173_afe_i2s_ops = {
 519         .startup        = mt8173_afe_i2s_startup,
 520         .shutdown       = mt8173_afe_i2s_shutdown,
 521         .prepare        = mt8173_afe_i2s_prepare,
 522 };
 523
 524 static const struct snd_soc_dai_ops mt8173_afe_hdmi_ops = {
 525         .startup        = mt8173_afe_hdmi_startup,
 526         .shutdown       = mt8173_afe_hdmi_shutdown,
 527         .prepare        = mt8173_afe_hdmi_prepare,
 528         .trigger        = mt8173_afe_hdmi_trigger,
 529 };
 530
 531 static struct snd_soc_dai_driver mt8173_afe_pcm_dais[] = {
 532         /* FE DAIs: memory intefaces to CPU */
 533         {
 534                 .name = "DL1", /* downlink 1 */
 535                 .id = MT8173_AFE_MEMIF_DL1,
 536                 .playback = {
 537                         .stream_name = "DL1",
 538                         .channels_min = 1,
 539                         .channels_max = 2,
 540                         .rates = SNDRV_PCM_RATE_8000_48000,
 541                         .formats = SNDRV_PCM_FMTBIT_S16_LE,
 542                 },
 543                 .ops = &mtk_afe_fe_ops,
 544         }, {
 545                 .name = "VUL", /* voice uplink */
 546                 .id = MT8173_AFE_MEMIF_VUL,
 547                 .capture = {
 548                         .stream_name = "VUL",
 549                         .channels_min = 1,
 550                         .channels_max = 2,
 551                         .rates = SNDRV_PCM_RATE_8000_48000,
 552                         .formats = SNDRV_PCM_FMTBIT_S16_LE,
 553                 },
 554                 .ops = &mtk_afe_fe_ops,
 555         }, {
 556         /* BE DAIs */
 557                 .name = "I2S",
 558                 .id = MT8173_AFE_IO_I2S,
 559                 .playback = {
 560                         .stream_name = "I2S Playback",
 561                         .channels_min = 1,
 562                         .channels_max = 2,
 563                         .rates = SNDRV_PCM_RATE_8000_48000,
 564                         .formats = SNDRV_PCM_FMTBIT_S16_LE,
 565                 },
 566                 .capture = {
 567                         .stream_name = "I2S Capture",
 568                         .channels_min = 1,
 569                         .channels_max = 2,
 570                         .rates = SNDRV_PCM_RATE_8000_48000,
 571                         .formats = SNDRV_PCM_FMTBIT_S16_LE,
 572                 },
 573                 .ops = &mt8173_afe_i2s_ops,
 574                 .symmetric_rate = 1,
 575         },
 576 };
 577
 578 static struct snd_soc_dai_driver mt8173_afe_hdmi_dais[] = {
 579         /* FE DAIs */
 580         {
 581                 .name = "HDMI",
 582                 .id = MT8173_AFE_MEMIF_HDMI,
 583                 .playback = {
 584                         .stream_name = "HDMI",
 585                         .channels_min = 2,
 586                         .channels_max = 8,
 587                         .rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |
 588                                 SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |
 589                                 SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |
 590                                 SNDRV_PCM_RATE_192000,
 591                         .formats = SNDRV_PCM_FMTBIT_S16_LE,
 592                 },
 593                 .ops = &mtk_afe_fe_ops,
 594         }, {
 595         /* BE DAIs */
 596                 .name = "HDMIO",
 597                 .id = MT8173_AFE_IO_HDMI,
 598                 .playback = {
 599                         .stream_name = "HDMIO Playback",
 600                         .channels_min = 2,
 601                         .channels_max = 8,
 602                         .rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |
 603                                 SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |
 604                                 SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |
 605                                 SNDRV_PCM_RATE_192000,
 606                         .formats = SNDRV_PCM_FMTBIT_S16_LE,
 607                 },
 608                 .ops = &mt8173_afe_hdmi_ops,
 609         },
 610 };
 611
 612 static const struct snd_kcontrol_new mt8173_afe_o03_mix[] = {
 613         SOC_DAPM_SINGLE_AUTODISABLE("I05 Switch", AFE_CONN1, 21, 1, 0),
 614 };
 615
 616 static const struct snd_kcontrol_new mt8173_afe_o04_mix[] = {
 617         SOC_DAPM_SINGLE_AUTODISABLE("I06 Switch", AFE_CONN2, 6, 1, 0),
 618 };
 619
 620 static const struct snd_kcontrol_new mt8173_afe_o09_mix[] = {
 621         SOC_DAPM_SINGLE_AUTODISABLE("I03 Switch", AFE_CONN3, 0, 1, 0),
 622         SOC_DAPM_SINGLE_AUTODISABLE("I17 Switch", AFE_CONN7, 30, 1, 0),
 623 };
 624
 625 static const struct snd_kcontrol_new mt8173_afe_o10_mix[] = {
 626         SOC_DAPM_SINGLE_AUTODISABLE("I04 Switch", AFE_CONN3, 3, 1, 0),
 627         SOC_DAPM_SINGLE_AUTODISABLE("I18 Switch", AFE_CONN8, 0, 1, 0),
 628 };
 629
 630 static const struct snd_soc_dapm_widget mt8173_afe_pcm_widgets[] = {
 631         /* inter-connections */
 632         SND_SOC_DAPM_MIXER("I03", SND_SOC_NOPM, 0, 0, NULL, 0),
 633         SND_SOC_DAPM_MIXER("I04", SND_SOC_NOPM, 0, 0, NULL, 0),
 634         SND_SOC_DAPM_MIXER("I05", SND_SOC_NOPM, 0, 0, NULL, 0),
 635         SND_SOC_DAPM_MIXER("I06", SND_SOC_NOPM, 0, 0, NULL, 0),
 636         SND_SOC_DAPM_MIXER("I17", SND_SOC_NOPM, 0, 0, NULL, 0),
 637         SND_SOC_DAPM_MIXER("I18", SND_SOC_NOPM, 0, 0, NULL, 0),
 638
 639         SND_SOC_DAPM_MIXER("O03", SND_SOC_NOPM, 0, 0,
 640                            mt8173_afe_o03_mix, ARRAY_SIZE(mt8173_afe_o03_mix)),
 641         SND_SOC_DAPM_MIXER("O04", SND_SOC_NOPM, 0, 0,
 642                            mt8173_afe_o04_mix, ARRAY_SIZE(mt8173_afe_o04_mix)),
 643         SND_SOC_DAPM_MIXER("O09", SND_SOC_NOPM, 0, 0,
 644                            mt8173_afe_o09_mix, ARRAY_SIZE(mt8173_afe_o09_mix)),
 645         SND_SOC_DAPM_MIXER("O10", SND_SOC_NOPM, 0, 0,
 646                            mt8173_afe_o10_mix, ARRAY_SIZE(mt8173_afe_o10_mix)),
 647 };
 648
 649 static const struct snd_soc_dapm_route mt8173_afe_pcm_routes[] = {
 650         {"I05", NULL, "DL1"},
 651         {"I06", NULL, "DL1"},
 652         {"I2S Playback", NULL, "O03"},
 653         {"I2S Playback", NULL, "O04"},
 654         {"VUL", NULL, "O09"},
 655         {"VUL", NULL, "O10"},
 656         {"I03", NULL, "I2S Capture"},
 657         {"I04", NULL, "I2S Capture"},
 658         {"I17", NULL, "I2S Capture"},
 659         {"I18", NULL, "I2S Capture"},
 660         { "O03", "I05 Switch", "I05" },
 661         { "O04", "I06 Switch", "I06" },
 662         { "O09", "I17 Switch", "I17" },
 663         { "O09", "I03 Switch", "I03" },
 664         { "O10", "I18 Switch", "I18" },
 665         { "O10", "I04 Switch", "I04" },
 666 };
 667
 668 static const struct snd_soc_dapm_route mt8173_afe_hdmi_routes[] = {
 669         {"HDMIO Playback", NULL, "HDMI"},
 670 };
 671
 672 static const struct snd_soc_component_driver mt8173_afe_pcm_dai_component = {
 673         .name = "mt8173-afe-pcm-dai",
 674         .dapm_widgets = mt8173_afe_pcm_widgets,
 675         .num_dapm_widgets = ARRAY_SIZE(mt8173_afe_pcm_widgets),
 676         .dapm_routes = mt8173_afe_pcm_routes,
 677         .num_dapm_routes = ARRAY_SIZE(mt8173_afe_pcm_routes),
 678         .suspend = mtk_afe_suspend,
 679         .resume = mtk_afe_resume,
 680 };
 681
 682 static const struct snd_soc_component_driver mt8173_afe_hdmi_dai_component = {
 683         .name = "mt8173-afe-hdmi-dai",
 684         .dapm_routes = mt8173_afe_hdmi_routes,
 685         .num_dapm_routes = ARRAY_SIZE(mt8173_afe_hdmi_routes),
 686         .suspend = mtk_afe_suspend,
 687         .resume = mtk_afe_resume,
 688 };
 689
 690 static const char *aud_clks[MT8173_CLK_NUM] = {
 691         [MT8173_CLK_INFRASYS_AUD] = "infra_sys_audio_clk",
 692         [MT8173_CLK_TOP_PDN_AUD] = "top_pdn_audio",
 693         [MT8173_CLK_TOP_PDN_AUD_BUS] = "top_pdn_aud_intbus",
 694         [MT8173_CLK_I2S0_M] =  "i2s0_m",
 695         [MT8173_CLK_I2S1_M] =  "i2s1_m",
 696         [MT8173_CLK_I2S2_M] =  "i2s2_m",
 697         [MT8173_CLK_I2S3_M] =  "i2s3_m",
 698         [MT8173_CLK_I2S3_B] =  "i2s3_b",
 699         [MT8173_CLK_BCK0] =  "bck0",
 700         [MT8173_CLK_BCK1] =  "bck1",
 701 };
 702
 703 static const struct mtk_base_memif_data memif_data[MT8173_AFE_MEMIF_NUM] = {
 704         {
 705                 .name = "DL1",
 706                 .id = MT8173_AFE_MEMIF_DL1,
 707                 .reg_ofs_base = AFE_DL1_BASE,
 708                 .reg_ofs_cur = AFE_DL1_CUR,
 709                 .fs_reg = AFE_DAC_CON1,
 710                 .fs_shift = 0,
 711                 .fs_maskbit = 0xf,
 712                 .mono_reg = AFE_DAC_CON1,
 713                 .mono_shift = 21,
 714                 .hd_reg = -1,
 715                 .enable_reg = AFE_DAC_CON0,
 716                 .enable_shift = 1,
 717                 .msb_reg = AFE_MEMIF_MSB,
 718                 .msb_shift = 0,
 719                 .agent_disable_reg = -1,
 720         }, {
 721                 .name = "DL2",
 722                 .id = MT8173_AFE_MEMIF_DL2,
 723                 .reg_ofs_base = AFE_DL2_BASE,
 724                 .reg_ofs_cur = AFE_DL2_CUR,
 725                 .fs_reg = AFE_DAC_CON1,
 726                 .fs_shift = 4,
 727                 .fs_maskbit = 0xf,
 728                 .mono_reg = AFE_DAC_CON1,
 729                 .mono_shift = 22,
 730                 .hd_reg = -1,
 731                 .enable_reg = AFE_DAC_CON0,
 732                 .enable_shift = 2,
 733                 .msb_reg = AFE_MEMIF_MSB,
 734                 .msb_shift = 1,
 735                 .agent_disable_reg = -1,
 736         }, {
 737                 .name = "VUL",
 738                 .id = MT8173_AFE_MEMIF_VUL,
 739                 .reg_ofs_base = AFE_VUL_BASE,
 740                 .reg_ofs_cur = AFE_VUL_CUR,
 741                 .fs_reg = AFE_DAC_CON1,
 742                 .fs_shift = 16,
 743                 .fs_maskbit = 0xf,
 744                 .mono_reg = AFE_DAC_CON1,
 745                 .mono_shift = 27,
 746                 .hd_reg = -1,
 747                 .enable_reg = AFE_DAC_CON0,
 748                 .enable_shift = 3,
 749                 .msb_reg = AFE_MEMIF_MSB,
 750                 .msb_shift = 6,
 751                 .agent_disable_reg = -1,
 752         }, {
 753                 .name = "DAI",
 754                 .id = MT8173_AFE_MEMIF_DAI,
 755                 .reg_ofs_base = AFE_DAI_BASE,
 756                 .reg_ofs_cur = AFE_DAI_CUR,
 757                 .fs_reg = AFE_DAC_CON0,
 758                 .fs_shift = 24,
 759                 .fs_maskbit = 0x3,
 760                 .mono_reg = -1,
 761                 .mono_shift = -1,
 762                 .hd_reg = -1,
 763                 .enable_reg = AFE_DAC_CON0,
 764                 .enable_shift = 4,
 765                 .msb_reg = AFE_MEMIF_MSB,
 766                 .msb_shift = 5,
 767                 .agent_disable_reg = -1,
 768         }, {
 769                 .name = "AWB",
 770                 .id = MT8173_AFE_MEMIF_AWB,
 771                 .reg_ofs_base = AFE_AWB_BASE,
 772                 .reg_ofs_cur = AFE_AWB_CUR,
 773                 .fs_reg = AFE_DAC_CON1,
 774                 .fs_shift = 12,
 775                 .fs_maskbit = 0xf,
 776                 .mono_reg = AFE_DAC_CON1,
 777                 .mono_shift = 24,
 778                 .hd_reg = -1,
 779                 .enable_reg = AFE_DAC_CON0,
 780                 .enable_shift = 6,
 781                 .msb_reg = AFE_MEMIF_MSB,
 782                 .msb_shift = 3,
 783                 .agent_disable_reg = -1,
 784         }, {
 785                 .name = "MOD_DAI",
 786                 .id = MT8173_AFE_MEMIF_MOD_DAI,
 787                 .reg_ofs_base = AFE_MOD_PCM_BASE,
 788                 .reg_ofs_cur = AFE_MOD_PCM_CUR,
 789                 .fs_reg = AFE_DAC_CON1,
 790                 .fs_shift = 30,
 791                 .fs_maskbit = 0x3,
 792                 .mono_reg = AFE_DAC_CON1,
 793                 .mono_shift = 30,
 794                 .hd_reg = -1,
 795                 .enable_reg = AFE_DAC_CON0,
 796                 .enable_shift = 7,
 797                 .msb_reg = AFE_MEMIF_MSB,
 798                 .msb_shift = 4,
 799                 .agent_disable_reg = -1,
 800         }, {
 801                 .name = "HDMI",
 802                 .id = MT8173_AFE_MEMIF_HDMI,
 803                 .reg_ofs_base = AFE_HDMI_OUT_BASE,
 804                 .reg_ofs_cur = AFE_HDMI_OUT_CUR,
 805                 .fs_reg = -1,
 806                 .fs_shift = -1,
 807                 .fs_maskbit = -1,
 808                 .mono_reg = -1,
 809                 .mono_shift = -1,
 810                 .hd_reg = -1,
 811                 .enable_reg = -1,
 812                 .msb_reg = AFE_MEMIF_MSB,
 813                 .msb_shift = 8,
 814                 .agent_disable_reg = -1,
 815         },
 816 };
 817
 818 static const struct mtk_base_irq_data irq_data[MT8173_AFE_IRQ_NUM] = {
 819         {
 820                 .id = MT8173_AFE_IRQ_DL1,
 821                 .irq_cnt_reg = AFE_IRQ_CNT1,
 822                 .irq_cnt_shift = 0,
 823                 .irq_cnt_maskbit = 0x3ffff,
 824                 .irq_en_reg = AFE_IRQ_MCU_CON,
 825                 .irq_en_shift = 0,
 826                 .irq_fs_reg = AFE_IRQ_MCU_CON,
 827                 .irq_fs_shift = 4,
 828                 .irq_fs_maskbit = 0xf,
 829                 .irq_clr_reg = AFE_IRQ_CLR,
 830                 .irq_clr_shift = 0,
 831         }, {
 832                 .id = MT8173_AFE_IRQ_DL2,
 833                 .irq_cnt_reg = AFE_IRQ_CNT1,
 834                 .irq_cnt_shift = 20,
 835                 .irq_cnt_maskbit = 0x3ffff,
 836                 .irq_en_reg = AFE_IRQ_MCU_CON,
 837                 .irq_en_shift = 2,
 838                 .irq_fs_reg = AFE_IRQ_MCU_CON,
 839                 .irq_fs_shift = 16,
 840                 .irq_fs_maskbit = 0xf,
 841                 .irq_clr_reg = AFE_IRQ_CLR,
 842                 .irq_clr_shift = 2,
 843
 844         }, {
 845                 .id = MT8173_AFE_IRQ_VUL,
 846                 .irq_cnt_reg = AFE_IRQ_CNT2,
 847                 .irq_cnt_shift = 0,
 848                 .irq_cnt_maskbit = 0x3ffff,
 849                 .irq_en_reg = AFE_IRQ_MCU_CON,
 850                 .irq_en_shift = 1,
 851                 .irq_fs_reg = AFE_IRQ_MCU_CON,
 852                 .irq_fs_shift = 8,
 853                 .irq_fs_maskbit = 0xf,
 854                 .irq_clr_reg = AFE_IRQ_CLR,
 855                 .irq_clr_shift = 1,
 856         }, {
 857                 .id = MT8173_AFE_IRQ_DAI,
 858                 .irq_cnt_reg = AFE_IRQ_CNT2,
 859                 .irq_cnt_shift = 20,
 860                 .irq_cnt_maskbit = 0x3ffff,
 861                 .irq_en_reg = AFE_IRQ_MCU_CON,
 862                 .irq_en_shift = 3,
 863                 .irq_fs_reg = AFE_IRQ_MCU_CON,
 864                 .irq_fs_shift = 20,
 865                 .irq_fs_maskbit = 0xf,
 866                 .irq_clr_reg = AFE_IRQ_CLR,
 867                 .irq_clr_shift = 3,
 868         }, {
 869                 .id = MT8173_AFE_IRQ_AWB,
 870                 .irq_cnt_reg = AFE_IRQ_CNT7,
 871                 .irq_cnt_shift = 0,
 872                 .irq_cnt_maskbit = 0x3ffff,
 873                 .irq_en_reg = AFE_IRQ_MCU_CON,
 874                 .irq_en_shift = 14,
 875                 .irq_fs_reg = AFE_IRQ_MCU_CON,
 876                 .irq_fs_shift = 24,
 877                 .irq_fs_maskbit = 0xf,
 878                 .irq_clr_reg = AFE_IRQ_CLR,
 879                 .irq_clr_shift = 6,
 880         }, {
 881                 .id = MT8173_AFE_IRQ_DAI,
 882                 .irq_cnt_reg = AFE_IRQ_CNT2,
 883                 .irq_cnt_shift = 20,
 884                 .irq_cnt_maskbit = 0x3ffff,
 885                 .irq_en_reg = AFE_IRQ_MCU_CON,
 886                 .irq_en_shift = 3,
 887                 .irq_fs_reg = AFE_IRQ_MCU_CON,
 888                 .irq_fs_shift = 20,
 889                 .irq_fs_maskbit = 0xf,
 890                 .irq_clr_reg = AFE_IRQ_CLR,
 891                 .irq_clr_shift = 3,
 892         }, {
 893                 .id = MT8173_AFE_IRQ_HDMI,
 894                 .irq_cnt_reg = AFE_IRQ_CNT5,
 895                 .irq_cnt_shift = 0,
 896                 .irq_cnt_maskbit = 0x3ffff,
 897                 .irq_en_reg = AFE_IRQ_MCU_CON,
 898                 .irq_en_shift = 12,
 899                 .irq_fs_reg = -1,
 900                 .irq_fs_maskbit = -1,
 901                 .irq_clr_reg = AFE_IRQ_CLR,
 902                 .irq_clr_shift = 4,
 903         },
 904 };
 905
 906 static const struct regmap_config mt8173_afe_regmap_config = {
 907         .reg_bits = 32,
 908         .reg_stride = 4,
 909         .val_bits = 32,
 910         .max_register = AFE_ADDA2_TOP_CON0,
 911         .cache_type = REGCACHE_NONE,
 912 };
 913
 914 static irqreturn_t mt8173_afe_irq_handler(int irq, void *dev_id)
 915 {
 916         struct mtk_base_afe *afe = dev_id;
 917         unsigned int reg_value;
 918         int i, ret;
 919
 920         ret = regmap_read(afe->regmap, AFE_IRQ_STATUS, &reg_value);
 921         if (ret) {
 922                 dev_err(afe->dev, "%s irq status err\n", __func__);
 923                 reg_value = AFE_IRQ_STATUS_BITS;
 924                 goto err_irq;
 925         }
 926
 927         for (i = 0; i < MT8173_AFE_MEMIF_NUM; i++) {
 928                 struct mtk_base_afe_memif *memif = &afe->memif[i];
 929                 struct mtk_base_afe_irq *irq_p;
 930
 931                 if (memif->irq_usage < 0)
 932                         continue;
 933
 934                 irq_p = &afe->irqs[memif->irq_usage];
 935
 936                 if (!(reg_value & (1 << irq_p->irq_data->irq_clr_shift)))
 937                         continue;
 938
 939                 snd_pcm_period_elapsed(memif->substream);
 940         }
 941
 942 err_irq:
 943         /* clear irq */
 944         regmap_write(afe->regmap, AFE_IRQ_CLR,
 945                      reg_value & AFE_IRQ_STATUS_BITS);
 946
 947         return IRQ_HANDLED;
 948 }
 949
 950 static int mt8173_afe_runtime_suspend(struct device *dev)
 951 {
 952         struct mtk_base_afe *afe = dev_get_drvdata(dev);
 953         struct mt8173_afe_private *afe_priv = afe->platform_priv;
 954
 955         /* disable AFE */
 956         regmap_update_bits(afe->regmap, AFE_DAC_CON0, 0x1, 0);
 957
 958         /* disable AFE clk */
 959         regmap_update_bits(afe->regmap, AUDIO_TOP_CON0,
 960                            AUD_TCON0_PDN_AFE, AUD_TCON0_PDN_AFE);
 961
 962         clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_I2S1_M]);
 963         clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_I2S2_M]);
 964         clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_BCK0]);
 965         clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_BCK1]);
 966         clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_TOP_PDN_AUD]);
 967         clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_TOP_PDN_AUD_BUS]);
 968         clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_INFRASYS_AUD]);
 969         return 0;
 970 }
 971
 972 static int mt8173_afe_runtime_resume(struct device *dev)
 973 {
 974         struct mtk_base_afe *afe = dev_get_drvdata(dev);
 975         struct mt8173_afe_private *afe_priv = afe->platform_priv;
 976         int ret;
 977
 978         ret = clk_prepare_enable(afe_priv->clocks[MT8173_CLK_INFRASYS_AUD]);
 979         if (ret)
 980                 return ret;
 981
 982         ret = clk_prepare_enable(afe_priv->clocks[MT8173_CLK_TOP_PDN_AUD_BUS]);
 983         if (ret)
 984                 goto err_infra;
 985
 986         ret = clk_prepare_enable(afe_priv->clocks[MT8173_CLK_TOP_PDN_AUD]);
 987         if (ret)
 988                 goto err_top_aud_bus;
 989
 990         ret = clk_prepare_enable(afe_priv->clocks[MT8173_CLK_BCK0]);
 991         if (ret)
 992                 goto err_top_aud;
 993
 994         ret = clk_prepare_enable(afe_priv->clocks[MT8173_CLK_BCK1]);
 995         if (ret)
 996                 goto err_bck0;
 997         ret = clk_prepare_enable(afe_priv->clocks[MT8173_CLK_I2S1_M]);
 998         if (ret)
 999                 goto err_i2s1_m;
1000         ret = clk_prepare_enable(afe_priv->clocks[MT8173_CLK_I2S2_M]);
1001         if (ret)
1002                 goto err_i2s2_m;
1003
1004         /* enable AFE clk */
1005         regmap_update_bits(afe->regmap, AUDIO_TOP_CON0, AUD_TCON0_PDN_AFE, 0);
1006
1007         /* set O3/O4 16bits */
1008         regmap_update_bits(afe->regmap, AFE_CONN_24BIT,
1009                            AFE_CONN_24BIT_O03 | AFE_CONN_24BIT_O04, 0);
1010
1011         /* unmask all IRQs */
1012         regmap_update_bits(afe->regmap, AFE_IRQ_MCU_EN, 0xff, 0xff);
1013
1014         /* enable AFE */
1015         regmap_update_bits(afe->regmap, AFE_DAC_CON0, 0x1, 0x1);
1016         return 0;
1017
1018 err_i2s1_m:
1019         clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_I2S1_M]);
1020 err_i2s2_m:
1021         clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_I2S2_M]);
1022 err_bck0:
1023         clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_BCK0]);
1024 err_top_aud:
1025         clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_TOP_PDN_AUD]);
1026 err_top_aud_bus:
1027         clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_TOP_PDN_AUD_BUS]);
1028 err_infra:
1029         clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_INFRASYS_AUD]);
1030         return ret;
1031 }
1032
1033 static int mt8173_afe_init_audio_clk(struct mtk_base_afe *afe)
1034 {
1035         size_t i;
1036         struct mt8173_afe_private *afe_priv = afe->platform_priv;
1037
1038         for (i = 0; i < ARRAY_SIZE(aud_clks); i++) {
1039                 afe_priv->clocks[i] = devm_clk_get(afe->dev, aud_clks[i]);
1040                 if (IS_ERR(afe_priv->clocks[i])) {
1041                         dev_err(afe->dev, "%s devm_clk_get %s fail\n",
1042                                 __func__, aud_clks[i]);
1043                         return PTR_ERR(afe_priv->clocks[i]);
1044                 }
1045         }
1046         clk_set_rate(afe_priv->clocks[MT8173_CLK_BCK0], 22579200); /* 22M */
1047         clk_set_rate(afe_priv->clocks[MT8173_CLK_BCK1], 24576000); /* 24M */
1048         return 0;
1049 }
1050
1051 static int mt8173_afe_pcm_dev_probe(struct platform_device *pdev)
1052 {
1053         int ret, i;
1054         int irq_id;
1055         struct mtk_base_afe *afe;
1056         struct mt8173_afe_private *afe_priv;
1057         struct snd_soc_component *comp_pcm, *comp_hdmi;
1058
1059         ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(33));
1060         if (ret)
1061                 return ret;
1062
1063         afe = devm_kzalloc(&pdev->dev, sizeof(*afe), GFP_KERNEL);
1064         if (!afe)
1065                 return -ENOMEM;
1066
1067         afe->platform_priv = devm_kzalloc(&pdev->dev, sizeof(*afe_priv),
1068                                           GFP_KERNEL);
1069         afe_priv = afe->platform_priv;
1070         if (!afe_priv)
1071                 return -ENOMEM;
1072
1073         afe->dev = &pdev->dev;
1074
1075         irq_id = platform_get_irq(pdev, 0);
1076         if (irq_id <= 0)
1077                 return irq_id < 0 ? irq_id : -ENXIO;
1078         ret = devm_request_irq(afe->dev, irq_id, mt8173_afe_irq_handler,
1079                                0, "Afe_ISR_Handle", (void *)afe);
1080         if (ret) {
1081                 dev_err(afe->dev, "could not request_irq\n");
1082                 return ret;
1083         }
1084
1085         afe->base_addr = devm_platform_ioremap_resource(pdev, 0);
1086         if (IS_ERR(afe->base_addr))
1087                 return PTR_ERR(afe->base_addr);
1088
1089         afe->regmap = devm_regmap_init_mmio(&pdev->dev, afe->base_addr,
1090                 &mt8173_afe_regmap_config);
1091         if (IS_ERR(afe->regmap))
1092                 return PTR_ERR(afe->regmap);
1093
1094         /* initial audio related clock */
1095         ret = mt8173_afe_init_audio_clk(afe);
1096         if (ret) {
1097                 dev_err(afe->dev, "mt8173_afe_init_audio_clk fail\n");
1098                 return ret;
1099         }
1100
1101         /* memif % irq initialize*/
1102         afe->memif_size = MT8173_AFE_MEMIF_NUM;
1103         afe->memif = devm_kcalloc(afe->dev, afe->memif_size,
1104                                   sizeof(*afe->memif), GFP_KERNEL);
1105         if (!afe->memif)
1106                 return -ENOMEM;
1107
1108         afe->irqs_size = MT8173_AFE_IRQ_NUM;
1109         afe->irqs = devm_kcalloc(afe->dev, afe->irqs_size,
1110                                  sizeof(*afe->irqs), GFP_KERNEL);
1111         if (!afe->irqs)
1112                 return -ENOMEM;
1113
1114         for (i = 0; i < afe->irqs_size; i++) {
1115                 afe->memif[i].data = &memif_data[i];
1116                 afe->irqs[i].irq_data = &irq_data[i];
1117                 afe->irqs[i].irq_occupyed = true;
1118                 afe->memif[i].irq_usage = i;
1119                 afe->memif[i].const_irq = 1;
1120         }
1121
1122         afe->mtk_afe_hardware = &mt8173_afe_hardware;
1123         afe->memif_fs = mt8173_memif_fs;
1124         afe->irq_fs = mt8173_irq_fs;
1125
1126         platform_set_drvdata(pdev, afe);
1127
1128         pm_runtime_enable(&pdev->dev);
1129         if (!pm_runtime_enabled(&pdev->dev)) {
1130                 ret = mt8173_afe_runtime_resume(&pdev->dev);
1131                 if (ret)
1132                         goto err_pm_disable;
1133         }
1134
1135         afe->reg_back_up_list = mt8173_afe_backup_list;
1136         afe->reg_back_up_list_num = ARRAY_SIZE(mt8173_afe_backup_list);
1137         afe->runtime_resume = mt8173_afe_runtime_resume;
1138         afe->runtime_suspend = mt8173_afe_runtime_suspend;
1139
1140         ret = devm_snd_soc_register_component(&pdev->dev,
1141                                          &mtk_afe_pcm_platform,
1142                                          NULL, 0);
1143         if (ret)
1144                 goto err_pm_disable;
1145
1146         comp_pcm = devm_kzalloc(&pdev->dev, sizeof(*comp_pcm), GFP_KERNEL);
1147         if (!comp_pcm) {
1148                 ret = -ENOMEM;
1149                 goto err_pm_disable;
1150         }
1151
1152         ret = snd_soc_component_initialize(comp_pcm,
1153                                            &mt8173_afe_pcm_dai_component,
1154                                            &pdev->dev);
1155         if (ret)
1156                 goto err_pm_disable;
1157
1158 #ifdef CONFIG_DEBUG_FS
1159         comp_pcm->debugfs_prefix = "pcm";
1160 #endif
1161
1162         ret = snd_soc_add_component(comp_pcm,
1163                                     mt8173_afe_pcm_dais,
1164                                     ARRAY_SIZE(mt8173_afe_pcm_dais));
1165         if (ret)
1166                 goto err_pm_disable;
1167
1168         comp_hdmi = devm_kzalloc(&pdev->dev, sizeof(*comp_hdmi), GFP_KERNEL);
1169         if (!comp_hdmi) {
1170                 ret = -ENOMEM;
1171                 goto err_pm_disable;
1172         }
1173
1174         ret = snd_soc_component_initialize(comp_hdmi,
1175                                            &mt8173_afe_hdmi_dai_component,
1176                                            &pdev->dev);
1177         if (ret)
1178                 goto err_pm_disable;
1179
1180 #ifdef CONFIG_DEBUG_FS
1181         comp_hdmi->debugfs_prefix = "hdmi";
1182 #endif
1183
1184         ret = snd_soc_add_component(comp_hdmi,
1185                                     mt8173_afe_hdmi_dais,
1186                                     ARRAY_SIZE(mt8173_afe_hdmi_dais));
1187         if (ret)
1188                 goto err_cleanup_components;
1189
1190         dev_info(&pdev->dev, "MT8173 AFE driver initialized.\n");
1191         return 0;
1192
1193 err_cleanup_components:
1194         snd_soc_unregister_component(&pdev->dev);
1195 err_pm_disable:
1196         pm_runtime_disable(&pdev->dev);
1197         return ret;
1198 }
1199
1200 static int mt8173_afe_pcm_dev_remove(struct platform_device *pdev)
1201 {
1202         snd_soc_unregister_component(&pdev->dev);
1203
1204         pm_runtime_disable(&pdev->dev);
1205         if (!pm_runtime_status_suspended(&pdev->dev))
1206                 mt8173_afe_runtime_suspend(&pdev->dev);
1207         return 0;
1208 }
1209
1210 static const struct of_device_id mt8173_afe_pcm_dt_match[] = {
1211         { .compatible = "mediatek,mt8173-afe-pcm", },
1212         { }
1213 };
1214 MODULE_DEVICE_TABLE(of, mt8173_afe_pcm_dt_match);
1215
1216 static const struct dev_pm_ops mt8173_afe_pm_ops = {
1217         SET_RUNTIME_PM_OPS(mt8173_afe_runtime_suspend,
1218                            mt8173_afe_runtime_resume, NULL)
1219 };
1220
1221 static struct platform_driver mt8173_afe_pcm_driver = {
1222         .driver = {
1223                    .name = "mt8173-afe-pcm",
1224                    .of_match_table = mt8173_afe_pcm_dt_match,
1225                    .pm = &mt8173_afe_pm_ops,
1226         },
1227         .probe = mt8173_afe_pcm_dev_probe,
1228         .remove = mt8173_afe_pcm_dev_remove,
1229 };
1230
1231 module_platform_driver(mt8173_afe_pcm_driver);
1232
1233 MODULE_DESCRIPTION("Mediatek ALSA SoC AFE platform driver");
1234 MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
1235 MODULE_LICENSE("GPL v2");