linux/sound/soc/mediatek/mt8173/mt8173-afe-pcm.c
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   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
 124enum 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
 132static 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
 149struct mt8173_afe_private {
 150        struct clk *clocks[MT8173_CLK_NUM];
 151};
 152
 153static 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
 164struct mt8173_afe_rate {
 165        unsigned int rate;
 166        unsigned int regvalue;
 167};
 168
 169static 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
 185static 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
 196static 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
 224static 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
 239static 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
 262static 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
 286static 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
 295static 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 (dai->active)
 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
 308static 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 (dai->active)
 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
 322static 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
 344static 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 (dai->active)
 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
 358static 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 (dai->active)
 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
 371static 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
 434static 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
 482static int mt8173_memif_fs(struct snd_pcm_substream *substream,
 483                           unsigned int rate)
 484{
 485        struct snd_soc_pcm_runtime *rtd = substream->private_data;
 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[rtd->cpu_dai->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
 512static 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 */
 518static 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
 524static 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
 531static 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                .suspend = mtk_afe_dai_suspend,
 537                .resume = mtk_afe_dai_resume,
 538                .playback = {
 539                        .stream_name = "DL1",
 540                        .channels_min = 1,
 541                        .channels_max = 2,
 542                        .rates = SNDRV_PCM_RATE_8000_48000,
 543                        .formats = SNDRV_PCM_FMTBIT_S16_LE,
 544                },
 545                .ops = &mtk_afe_fe_ops,
 546        }, {
 547                .name = "VUL", /* voice uplink */
 548                .id = MT8173_AFE_MEMIF_VUL,
 549                .suspend = mtk_afe_dai_suspend,
 550                .resume = mtk_afe_dai_resume,
 551                .capture = {
 552                        .stream_name = "VUL",
 553                        .channels_min = 1,
 554                        .channels_max = 2,
 555                        .rates = SNDRV_PCM_RATE_8000_48000,
 556                        .formats = SNDRV_PCM_FMTBIT_S16_LE,
 557                },
 558                .ops = &mtk_afe_fe_ops,
 559        }, {
 560        /* BE DAIs */
 561                .name = "I2S",
 562                .id = MT8173_AFE_IO_I2S,
 563                .playback = {
 564                        .stream_name = "I2S Playback",
 565                        .channels_min = 1,
 566                        .channels_max = 2,
 567                        .rates = SNDRV_PCM_RATE_8000_48000,
 568                        .formats = SNDRV_PCM_FMTBIT_S16_LE,
 569                },
 570                .capture = {
 571                        .stream_name = "I2S Capture",
 572                        .channels_min = 1,
 573                        .channels_max = 2,
 574                        .rates = SNDRV_PCM_RATE_8000_48000,
 575                        .formats = SNDRV_PCM_FMTBIT_S16_LE,
 576                },
 577                .ops = &mt8173_afe_i2s_ops,
 578                .symmetric_rates = 1,
 579        },
 580};
 581
 582static struct snd_soc_dai_driver mt8173_afe_hdmi_dais[] = {
 583        /* FE DAIs */
 584        {
 585                .name = "HDMI",
 586                .id = MT8173_AFE_MEMIF_HDMI,
 587                .suspend = mtk_afe_dai_suspend,
 588                .resume = mtk_afe_dai_resume,
 589                .playback = {
 590                        .stream_name = "HDMI",
 591                        .channels_min = 2,
 592                        .channels_max = 8,
 593                        .rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |
 594                                SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |
 595                                SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |
 596                                SNDRV_PCM_RATE_192000,
 597                        .formats = SNDRV_PCM_FMTBIT_S16_LE,
 598                },
 599                .ops = &mtk_afe_fe_ops,
 600        }, {
 601        /* BE DAIs */
 602                .name = "HDMIO",
 603                .id = MT8173_AFE_IO_HDMI,
 604                .playback = {
 605                        .stream_name = "HDMIO Playback",
 606                        .channels_min = 2,
 607                        .channels_max = 8,
 608                        .rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |
 609                                SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |
 610                                SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |
 611                                SNDRV_PCM_RATE_192000,
 612                        .formats = SNDRV_PCM_FMTBIT_S16_LE,
 613                },
 614                .ops = &mt8173_afe_hdmi_ops,
 615        },
 616};
 617
 618static const struct snd_kcontrol_new mt8173_afe_o03_mix[] = {
 619        SOC_DAPM_SINGLE_AUTODISABLE("I05 Switch", AFE_CONN1, 21, 1, 0),
 620};
 621
 622static const struct snd_kcontrol_new mt8173_afe_o04_mix[] = {
 623        SOC_DAPM_SINGLE_AUTODISABLE("I06 Switch", AFE_CONN2, 6, 1, 0),
 624};
 625
 626static const struct snd_kcontrol_new mt8173_afe_o09_mix[] = {
 627        SOC_DAPM_SINGLE_AUTODISABLE("I03 Switch", AFE_CONN3, 0, 1, 0),
 628        SOC_DAPM_SINGLE_AUTODISABLE("I17 Switch", AFE_CONN7, 30, 1, 0),
 629};
 630
 631static const struct snd_kcontrol_new mt8173_afe_o10_mix[] = {
 632        SOC_DAPM_SINGLE_AUTODISABLE("I04 Switch", AFE_CONN3, 3, 1, 0),
 633        SOC_DAPM_SINGLE_AUTODISABLE("I18 Switch", AFE_CONN8, 0, 1, 0),
 634};
 635
 636static const struct snd_soc_dapm_widget mt8173_afe_pcm_widgets[] = {
 637        /* inter-connections */
 638        SND_SOC_DAPM_MIXER("I03", SND_SOC_NOPM, 0, 0, NULL, 0),
 639        SND_SOC_DAPM_MIXER("I04", SND_SOC_NOPM, 0, 0, NULL, 0),
 640        SND_SOC_DAPM_MIXER("I05", SND_SOC_NOPM, 0, 0, NULL, 0),
 641        SND_SOC_DAPM_MIXER("I06", SND_SOC_NOPM, 0, 0, NULL, 0),
 642        SND_SOC_DAPM_MIXER("I17", SND_SOC_NOPM, 0, 0, NULL, 0),
 643        SND_SOC_DAPM_MIXER("I18", SND_SOC_NOPM, 0, 0, NULL, 0),
 644
 645        SND_SOC_DAPM_MIXER("O03", SND_SOC_NOPM, 0, 0,
 646                           mt8173_afe_o03_mix, ARRAY_SIZE(mt8173_afe_o03_mix)),
 647        SND_SOC_DAPM_MIXER("O04", SND_SOC_NOPM, 0, 0,
 648                           mt8173_afe_o04_mix, ARRAY_SIZE(mt8173_afe_o04_mix)),
 649        SND_SOC_DAPM_MIXER("O09", SND_SOC_NOPM, 0, 0,
 650                           mt8173_afe_o09_mix, ARRAY_SIZE(mt8173_afe_o09_mix)),
 651        SND_SOC_DAPM_MIXER("O10", SND_SOC_NOPM, 0, 0,
 652                           mt8173_afe_o10_mix, ARRAY_SIZE(mt8173_afe_o10_mix)),
 653};
 654
 655static const struct snd_soc_dapm_route mt8173_afe_pcm_routes[] = {
 656        {"I05", NULL, "DL1"},
 657        {"I06", NULL, "DL1"},
 658        {"I2S Playback", NULL, "O03"},
 659        {"I2S Playback", NULL, "O04"},
 660        {"VUL", NULL, "O09"},
 661        {"VUL", NULL, "O10"},
 662        {"I03", NULL, "I2S Capture"},
 663        {"I04", NULL, "I2S Capture"},
 664        {"I17", NULL, "I2S Capture"},
 665        {"I18", NULL, "I2S Capture"},
 666        { "O03", "I05 Switch", "I05" },
 667        { "O04", "I06 Switch", "I06" },
 668        { "O09", "I17 Switch", "I17" },
 669        { "O09", "I03 Switch", "I03" },
 670        { "O10", "I18 Switch", "I18" },
 671        { "O10", "I04 Switch", "I04" },
 672};
 673
 674static const struct snd_soc_dapm_route mt8173_afe_hdmi_routes[] = {
 675        {"HDMIO Playback", NULL, "HDMI"},
 676};
 677
 678static const struct snd_soc_component_driver mt8173_afe_pcm_dai_component = {
 679        .name = "mt8173-afe-pcm-dai",
 680        .dapm_widgets = mt8173_afe_pcm_widgets,
 681        .num_dapm_widgets = ARRAY_SIZE(mt8173_afe_pcm_widgets),
 682        .dapm_routes = mt8173_afe_pcm_routes,
 683        .num_dapm_routes = ARRAY_SIZE(mt8173_afe_pcm_routes),
 684};
 685
 686static const struct snd_soc_component_driver mt8173_afe_hdmi_dai_component = {
 687        .name = "mt8173-afe-hdmi-dai",
 688        .dapm_routes = mt8173_afe_hdmi_routes,
 689        .num_dapm_routes = ARRAY_SIZE(mt8173_afe_hdmi_routes),
 690};
 691
 692static const char *aud_clks[MT8173_CLK_NUM] = {
 693        [MT8173_CLK_INFRASYS_AUD] = "infra_sys_audio_clk",
 694        [MT8173_CLK_TOP_PDN_AUD] = "top_pdn_audio",
 695        [MT8173_CLK_TOP_PDN_AUD_BUS] = "top_pdn_aud_intbus",
 696        [MT8173_CLK_I2S0_M] =  "i2s0_m",
 697        [MT8173_CLK_I2S1_M] =  "i2s1_m",
 698        [MT8173_CLK_I2S2_M] =  "i2s2_m",
 699        [MT8173_CLK_I2S3_M] =  "i2s3_m",
 700        [MT8173_CLK_I2S3_B] =  "i2s3_b",
 701        [MT8173_CLK_BCK0] =  "bck0",
 702        [MT8173_CLK_BCK1] =  "bck1",
 703};
 704
 705static const struct mtk_base_memif_data memif_data[MT8173_AFE_MEMIF_NUM] = {
 706        {
 707                .name = "DL1",
 708                .id = MT8173_AFE_MEMIF_DL1,
 709                .reg_ofs_base = AFE_DL1_BASE,
 710                .reg_ofs_cur = AFE_DL1_CUR,
 711                .fs_reg = AFE_DAC_CON1,
 712                .fs_shift = 0,
 713                .fs_maskbit = 0xf,
 714                .mono_reg = AFE_DAC_CON1,
 715                .mono_shift = 21,
 716                .hd_reg = -1,
 717                .enable_reg = AFE_DAC_CON0,
 718                .enable_shift = 1,
 719                .msb_reg = AFE_MEMIF_MSB,
 720                .msb_shift = 0,
 721                .agent_disable_reg = -1,
 722        }, {
 723                .name = "DL2",
 724                .id = MT8173_AFE_MEMIF_DL2,
 725                .reg_ofs_base = AFE_DL2_BASE,
 726                .reg_ofs_cur = AFE_DL2_CUR,
 727                .fs_reg = AFE_DAC_CON1,
 728                .fs_shift = 4,
 729                .fs_maskbit = 0xf,
 730                .mono_reg = AFE_DAC_CON1,
 731                .mono_shift = 22,
 732                .hd_reg = -1,
 733                .enable_reg = AFE_DAC_CON0,
 734                .enable_shift = 2,
 735                .msb_reg = AFE_MEMIF_MSB,
 736                .msb_shift = 1,
 737                .agent_disable_reg = -1,
 738        }, {
 739                .name = "VUL",
 740                .id = MT8173_AFE_MEMIF_VUL,
 741                .reg_ofs_base = AFE_VUL_BASE,
 742                .reg_ofs_cur = AFE_VUL_CUR,
 743                .fs_reg = AFE_DAC_CON1,
 744                .fs_shift = 16,
 745                .fs_maskbit = 0xf,
 746                .mono_reg = AFE_DAC_CON1,
 747                .mono_shift = 27,
 748                .hd_reg = -1,
 749                .enable_reg = AFE_DAC_CON0,
 750                .enable_shift = 3,
 751                .msb_reg = AFE_MEMIF_MSB,
 752                .msb_shift = 6,
 753                .agent_disable_reg = -1,
 754        }, {
 755                .name = "DAI",
 756                .id = MT8173_AFE_MEMIF_DAI,
 757                .reg_ofs_base = AFE_DAI_BASE,
 758                .reg_ofs_cur = AFE_DAI_CUR,
 759                .fs_reg = AFE_DAC_CON0,
 760                .fs_shift = 24,
 761                .fs_maskbit = 0x3,
 762                .mono_reg = -1,
 763                .mono_shift = -1,
 764                .hd_reg = -1,
 765                .enable_reg = AFE_DAC_CON0,
 766                .enable_shift = 4,
 767                .msb_reg = AFE_MEMIF_MSB,
 768                .msb_shift = 5,
 769                .agent_disable_reg = -1,
 770        }, {
 771                .name = "AWB",
 772                .id = MT8173_AFE_MEMIF_AWB,
 773                .reg_ofs_base = AFE_AWB_BASE,
 774                .reg_ofs_cur = AFE_AWB_CUR,
 775                .fs_reg = AFE_DAC_CON1,
 776                .fs_shift = 12,
 777                .fs_maskbit = 0xf,
 778                .mono_reg = AFE_DAC_CON1,
 779                .mono_shift = 24,
 780                .hd_reg = -1,
 781                .enable_reg = AFE_DAC_CON0,
 782                .enable_shift = 6,
 783                .msb_reg = AFE_MEMIF_MSB,
 784                .msb_shift = 3,
 785                .agent_disable_reg = -1,
 786        }, {
 787                .name = "MOD_DAI",
 788                .id = MT8173_AFE_MEMIF_MOD_DAI,
 789                .reg_ofs_base = AFE_MOD_PCM_BASE,
 790                .reg_ofs_cur = AFE_MOD_PCM_CUR,
 791                .fs_reg = AFE_DAC_CON1,
 792                .fs_shift = 30,
 793                .fs_maskbit = 0x3,
 794                .mono_reg = AFE_DAC_CON1,
 795                .mono_shift = 30,
 796                .hd_reg = -1,
 797                .enable_reg = AFE_DAC_CON0,
 798                .enable_shift = 7,
 799                .msb_reg = AFE_MEMIF_MSB,
 800                .msb_shift = 4,
 801                .agent_disable_reg = -1,
 802        }, {
 803                .name = "HDMI",
 804                .id = MT8173_AFE_MEMIF_HDMI,
 805                .reg_ofs_base = AFE_HDMI_OUT_BASE,
 806                .reg_ofs_cur = AFE_HDMI_OUT_CUR,
 807                .fs_reg = -1,
 808                .fs_shift = -1,
 809                .fs_maskbit = -1,
 810                .mono_reg = -1,
 811                .mono_shift = -1,
 812                .hd_reg = -1,
 813                .enable_reg = -1,
 814                .msb_reg = AFE_MEMIF_MSB,
 815                .msb_shift = 8,
 816                .agent_disable_reg = -1,
 817        },
 818};
 819
 820static const struct mtk_base_irq_data irq_data[MT8173_AFE_IRQ_NUM] = {
 821        {
 822                .id = MT8173_AFE_IRQ_DL1,
 823                .irq_cnt_reg = AFE_IRQ_CNT1,
 824                .irq_cnt_shift = 0,
 825                .irq_cnt_maskbit = 0x3ffff,
 826                .irq_en_reg = AFE_IRQ_MCU_CON,
 827                .irq_en_shift = 0,
 828                .irq_fs_reg = AFE_IRQ_MCU_CON,
 829                .irq_fs_shift = 4,
 830                .irq_fs_maskbit = 0xf,
 831                .irq_clr_reg = AFE_IRQ_CLR,
 832                .irq_clr_shift = 0,
 833        }, {
 834                .id = MT8173_AFE_IRQ_DL2,
 835                .irq_cnt_reg = AFE_IRQ_CNT1,
 836                .irq_cnt_shift = 20,
 837                .irq_cnt_maskbit = 0x3ffff,
 838                .irq_en_reg = AFE_IRQ_MCU_CON,
 839                .irq_en_shift = 2,
 840                .irq_fs_reg = AFE_IRQ_MCU_CON,
 841                .irq_fs_shift = 16,
 842                .irq_fs_maskbit = 0xf,
 843                .irq_clr_reg = AFE_IRQ_CLR,
 844                .irq_clr_shift = 2,
 845
 846        }, {
 847                .id = MT8173_AFE_IRQ_VUL,
 848                .irq_cnt_reg = AFE_IRQ_CNT2,
 849                .irq_cnt_shift = 0,
 850                .irq_cnt_maskbit = 0x3ffff,
 851                .irq_en_reg = AFE_IRQ_MCU_CON,
 852                .irq_en_shift = 1,
 853                .irq_fs_reg = AFE_IRQ_MCU_CON,
 854                .irq_fs_shift = 8,
 855                .irq_fs_maskbit = 0xf,
 856                .irq_clr_reg = AFE_IRQ_CLR,
 857                .irq_clr_shift = 1,
 858        }, {
 859                .id = MT8173_AFE_IRQ_DAI,
 860                .irq_cnt_reg = AFE_IRQ_CNT2,
 861                .irq_cnt_shift = 20,
 862                .irq_cnt_maskbit = 0x3ffff,
 863                .irq_en_reg = AFE_IRQ_MCU_CON,
 864                .irq_en_shift = 3,
 865                .irq_fs_reg = AFE_IRQ_MCU_CON,
 866                .irq_fs_shift = 20,
 867                .irq_fs_maskbit = 0xf,
 868                .irq_clr_reg = AFE_IRQ_CLR,
 869                .irq_clr_shift = 3,
 870        }, {
 871                .id = MT8173_AFE_IRQ_AWB,
 872                .irq_cnt_reg = AFE_IRQ_CNT7,
 873                .irq_cnt_shift = 0,
 874                .irq_cnt_maskbit = 0x3ffff,
 875                .irq_en_reg = AFE_IRQ_MCU_CON,
 876                .irq_en_shift = 14,
 877                .irq_fs_reg = AFE_IRQ_MCU_CON,
 878                .irq_fs_shift = 24,
 879                .irq_fs_maskbit = 0xf,
 880                .irq_clr_reg = AFE_IRQ_CLR,
 881                .irq_clr_shift = 6,
 882        }, {
 883                .id = MT8173_AFE_IRQ_DAI,
 884                .irq_cnt_reg = AFE_IRQ_CNT2,
 885                .irq_cnt_shift = 20,
 886                .irq_cnt_maskbit = 0x3ffff,
 887                .irq_en_reg = AFE_IRQ_MCU_CON,
 888                .irq_en_shift = 3,
 889                .irq_fs_reg = AFE_IRQ_MCU_CON,
 890                .irq_fs_shift = 20,
 891                .irq_fs_maskbit = 0xf,
 892                .irq_clr_reg = AFE_IRQ_CLR,
 893                .irq_clr_shift = 3,
 894        }, {
 895                .id = MT8173_AFE_IRQ_HDMI,
 896                .irq_cnt_reg = AFE_IRQ_CNT5,
 897                .irq_cnt_shift = 0,
 898                .irq_cnt_maskbit = 0x3ffff,
 899                .irq_en_reg = AFE_IRQ_MCU_CON,
 900                .irq_en_shift = 12,
 901                .irq_fs_reg = -1,
 902                .irq_fs_maskbit = -1,
 903                .irq_clr_reg = AFE_IRQ_CLR,
 904                .irq_clr_shift = 4,
 905        },
 906};
 907
 908static const struct regmap_config mt8173_afe_regmap_config = {
 909        .reg_bits = 32,
 910        .reg_stride = 4,
 911        .val_bits = 32,
 912        .max_register = AFE_ADDA2_TOP_CON0,
 913        .cache_type = REGCACHE_NONE,
 914};
 915
 916static irqreturn_t mt8173_afe_irq_handler(int irq, void *dev_id)
 917{
 918        struct mtk_base_afe *afe = dev_id;
 919        unsigned int reg_value;
 920        int i, ret;
 921
 922        ret = regmap_read(afe->regmap, AFE_IRQ_STATUS, &reg_value);
 923        if (ret) {
 924                dev_err(afe->dev, "%s irq status err\n", __func__);
 925                reg_value = AFE_IRQ_STATUS_BITS;
 926                goto err_irq;
 927        }
 928
 929        for (i = 0; i < MT8173_AFE_MEMIF_NUM; i++) {
 930                struct mtk_base_afe_memif *memif = &afe->memif[i];
 931                struct mtk_base_afe_irq *irq;
 932
 933                if (memif->irq_usage < 0)
 934                        continue;
 935
 936                irq = &afe->irqs[memif->irq_usage];
 937
 938                if (!(reg_value & (1 << irq->irq_data->irq_clr_shift)))
 939                        continue;
 940
 941                snd_pcm_period_elapsed(memif->substream);
 942        }
 943
 944err_irq:
 945        /* clear irq */
 946        regmap_write(afe->regmap, AFE_IRQ_CLR,
 947                     reg_value & AFE_IRQ_STATUS_BITS);
 948
 949        return IRQ_HANDLED;
 950}
 951
 952static int mt8173_afe_runtime_suspend(struct device *dev)
 953{
 954        struct mtk_base_afe *afe = dev_get_drvdata(dev);
 955        struct mt8173_afe_private *afe_priv = afe->platform_priv;
 956
 957        /* disable AFE */
 958        regmap_update_bits(afe->regmap, AFE_DAC_CON0, 0x1, 0);
 959
 960        /* disable AFE clk */
 961        regmap_update_bits(afe->regmap, AUDIO_TOP_CON0,
 962                           AUD_TCON0_PDN_AFE, AUD_TCON0_PDN_AFE);
 963
 964        clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_I2S1_M]);
 965        clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_I2S2_M]);
 966        clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_BCK0]);
 967        clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_BCK1]);
 968        clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_TOP_PDN_AUD]);
 969        clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_TOP_PDN_AUD_BUS]);
 970        clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_INFRASYS_AUD]);
 971        return 0;
 972}
 973
 974static int mt8173_afe_runtime_resume(struct device *dev)
 975{
 976        struct mtk_base_afe *afe = dev_get_drvdata(dev);
 977        struct mt8173_afe_private *afe_priv = afe->platform_priv;
 978        int ret;
 979
 980        ret = clk_prepare_enable(afe_priv->clocks[MT8173_CLK_INFRASYS_AUD]);
 981        if (ret)
 982                return ret;
 983
 984        ret = clk_prepare_enable(afe_priv->clocks[MT8173_CLK_TOP_PDN_AUD_BUS]);
 985        if (ret)
 986                goto err_infra;
 987
 988        ret = clk_prepare_enable(afe_priv->clocks[MT8173_CLK_TOP_PDN_AUD]);
 989        if (ret)
 990                goto err_top_aud_bus;
 991
 992        ret = clk_prepare_enable(afe_priv->clocks[MT8173_CLK_BCK0]);
 993        if (ret)
 994                goto err_top_aud;
 995
 996        ret = clk_prepare_enable(afe_priv->clocks[MT8173_CLK_BCK1]);
 997        if (ret)
 998                goto err_bck0;
 999        ret = clk_prepare_enable(afe_priv->clocks[MT8173_CLK_I2S1_M]);
1000        if (ret)
1001                goto err_i2s1_m;
1002        ret = clk_prepare_enable(afe_priv->clocks[MT8173_CLK_I2S2_M]);
1003        if (ret)
1004                goto err_i2s2_m;
1005
1006        /* enable AFE clk */
1007        regmap_update_bits(afe->regmap, AUDIO_TOP_CON0, AUD_TCON0_PDN_AFE, 0);
1008
1009        /* set O3/O4 16bits */
1010        regmap_update_bits(afe->regmap, AFE_CONN_24BIT,
1011                           AFE_CONN_24BIT_O03 | AFE_CONN_24BIT_O04, 0);
1012
1013        /* unmask all IRQs */
1014        regmap_update_bits(afe->regmap, AFE_IRQ_MCU_EN, 0xff, 0xff);
1015
1016        /* enable AFE */
1017        regmap_update_bits(afe->regmap, AFE_DAC_CON0, 0x1, 0x1);
1018        return 0;
1019
1020err_i2s1_m:
1021        clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_I2S1_M]);
1022err_i2s2_m:
1023        clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_I2S2_M]);
1024err_bck0:
1025        clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_BCK0]);
1026err_top_aud:
1027        clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_TOP_PDN_AUD]);
1028err_top_aud_bus:
1029        clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_TOP_PDN_AUD_BUS]);
1030err_infra:
1031        clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_INFRASYS_AUD]);
1032        return ret;
1033}
1034
1035static int mt8173_afe_init_audio_clk(struct mtk_base_afe *afe)
1036{
1037        size_t i;
1038        struct mt8173_afe_private *afe_priv = afe->platform_priv;
1039
1040        for (i = 0; i < ARRAY_SIZE(aud_clks); i++) {
1041                afe_priv->clocks[i] = devm_clk_get(afe->dev, aud_clks[i]);
1042                if (IS_ERR(afe_priv->clocks[i])) {
1043                        dev_err(afe->dev, "%s devm_clk_get %s fail\n",
1044                                __func__, aud_clks[i]);
1045                        return PTR_ERR(afe_priv->clocks[i]);
1046                }
1047        }
1048        clk_set_rate(afe_priv->clocks[MT8173_CLK_BCK0], 22579200); /* 22M */
1049        clk_set_rate(afe_priv->clocks[MT8173_CLK_BCK1], 24576000); /* 24M */
1050        return 0;
1051}
1052
1053static int mt8173_afe_pcm_dev_probe(struct platform_device *pdev)
1054{
1055        int ret, i;
1056        int irq_id;
1057        struct mtk_base_afe *afe;
1058        struct mt8173_afe_private *afe_priv;
1059        struct resource *res;
1060
1061        ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(33));
1062        if (ret)
1063                return ret;
1064
1065        afe = devm_kzalloc(&pdev->dev, sizeof(*afe), GFP_KERNEL);
1066        if (!afe)
1067                return -ENOMEM;
1068
1069        afe->platform_priv = devm_kzalloc(&pdev->dev, sizeof(*afe_priv),
1070                                          GFP_KERNEL);
1071        afe_priv = afe->platform_priv;
1072        if (!afe_priv)
1073                return -ENOMEM;
1074
1075        afe->dev = &pdev->dev;
1076
1077        irq_id = platform_get_irq(pdev, 0);
1078        if (irq_id <= 0) {
1079                dev_err(afe->dev, "np %pOFn no irq\n", afe->dev->of_node);
1080                return irq_id < 0 ? irq_id : -ENXIO;
1081        }
1082        ret = devm_request_irq(afe->dev, irq_id, mt8173_afe_irq_handler,
1083                               0, "Afe_ISR_Handle", (void *)afe);
1084        if (ret) {
1085                dev_err(afe->dev, "could not request_irq\n");
1086                return ret;
1087        }
1088
1089        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
1090        afe->base_addr = devm_ioremap_resource(&pdev->dev, res);
1091        if (IS_ERR(afe->base_addr))
1092                return PTR_ERR(afe->base_addr);
1093
1094        afe->regmap = devm_regmap_init_mmio(&pdev->dev, afe->base_addr,
1095                &mt8173_afe_regmap_config);
1096        if (IS_ERR(afe->regmap))
1097                return PTR_ERR(afe->regmap);
1098
1099        /* initial audio related clock */
1100        ret = mt8173_afe_init_audio_clk(afe);
1101        if (ret) {
1102                dev_err(afe->dev, "mt8173_afe_init_audio_clk fail\n");
1103                return ret;
1104        }
1105
1106        /* memif % irq initialize*/
1107        afe->memif_size = MT8173_AFE_MEMIF_NUM;
1108        afe->memif = devm_kcalloc(afe->dev, afe->memif_size,
1109                                  sizeof(*afe->memif), GFP_KERNEL);
1110        if (!afe->memif)
1111                return -ENOMEM;
1112
1113        afe->irqs_size = MT8173_AFE_IRQ_NUM;
1114        afe->irqs = devm_kcalloc(afe->dev, afe->irqs_size,
1115                                 sizeof(*afe->irqs), GFP_KERNEL);
1116        if (!afe->irqs)
1117                return -ENOMEM;
1118
1119        for (i = 0; i < afe->irqs_size; i++) {
1120                afe->memif[i].data = &memif_data[i];
1121                afe->irqs[i].irq_data = &irq_data[i];
1122                afe->irqs[i].irq_occupyed = true;
1123                afe->memif[i].irq_usage = i;
1124                afe->memif[i].const_irq = 1;
1125        }
1126
1127        afe->mtk_afe_hardware = &mt8173_afe_hardware;
1128        afe->memif_fs = mt8173_memif_fs;
1129        afe->irq_fs = mt8173_irq_fs;
1130
1131        platform_set_drvdata(pdev, afe);
1132
1133        pm_runtime_enable(&pdev->dev);
1134        if (!pm_runtime_enabled(&pdev->dev)) {
1135                ret = mt8173_afe_runtime_resume(&pdev->dev);
1136                if (ret)
1137                        goto err_pm_disable;
1138        }
1139
1140        afe->reg_back_up_list = mt8173_afe_backup_list;
1141        afe->reg_back_up_list_num = ARRAY_SIZE(mt8173_afe_backup_list);
1142        afe->runtime_resume = mt8173_afe_runtime_resume;
1143        afe->runtime_suspend = mt8173_afe_runtime_suspend;
1144
1145        ret = devm_snd_soc_register_component(&pdev->dev,
1146                                         &mtk_afe_pcm_platform,
1147                                         NULL, 0);
1148        if (ret)
1149                goto err_pm_disable;
1150
1151        ret = devm_snd_soc_register_component(&pdev->dev,
1152                                         &mt8173_afe_pcm_dai_component,
1153                                         mt8173_afe_pcm_dais,
1154                                         ARRAY_SIZE(mt8173_afe_pcm_dais));
1155        if (ret)
1156                goto err_pm_disable;
1157
1158        ret = devm_snd_soc_register_component(&pdev->dev,
1159                                         &mt8173_afe_hdmi_dai_component,
1160                                         mt8173_afe_hdmi_dais,
1161                                         ARRAY_SIZE(mt8173_afe_hdmi_dais));
1162        if (ret)
1163                goto err_pm_disable;
1164
1165        dev_info(&pdev->dev, "MT8173 AFE driver initialized.\n");
1166        return 0;
1167
1168err_pm_disable:
1169        pm_runtime_disable(&pdev->dev);
1170        return ret;
1171}
1172
1173static int mt8173_afe_pcm_dev_remove(struct platform_device *pdev)
1174{
1175        pm_runtime_disable(&pdev->dev);
1176        if (!pm_runtime_status_suspended(&pdev->dev))
1177                mt8173_afe_runtime_suspend(&pdev->dev);
1178        return 0;
1179}
1180
1181static const struct of_device_id mt8173_afe_pcm_dt_match[] = {
1182        { .compatible = "mediatek,mt8173-afe-pcm", },
1183        { }
1184};
1185MODULE_DEVICE_TABLE(of, mt8173_afe_pcm_dt_match);
1186
1187static const struct dev_pm_ops mt8173_afe_pm_ops = {
1188        SET_RUNTIME_PM_OPS(mt8173_afe_runtime_suspend,
1189                           mt8173_afe_runtime_resume, NULL)
1190};
1191
1192static struct platform_driver mt8173_afe_pcm_driver = {
1193        .driver = {
1194                   .name = "mt8173-afe-pcm",
1195                   .of_match_table = mt8173_afe_pcm_dt_match,
1196                   .pm = &mt8173_afe_pm_ops,
1197        },
1198        .probe = mt8173_afe_pcm_dev_probe,
1199        .remove = mt8173_afe_pcm_dev_remove,
1200};
1201
1202module_platform_driver(mt8173_afe_pcm_driver);
1203
1204MODULE_DESCRIPTION("Mediatek ALSA SoC AFE platform driver");
1205MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
1206MODULE_LICENSE("GPL v2");
1207