root/sound/soc/mediatek/mt2701/mt2701-afe-pcm.c

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DEFINITIONS

This source file includes following definitions.
  1. mt2701_dai_num_to_i2s
  2. mt2701_afe_i2s_fs
  3. mt2701_afe_i2s_startup
  4. mt2701_afe_i2s_path_disable
  5. mt2701_afe_i2s_shutdown
  6. mt2701_i2s_path_enable
  7. mt2701_afe_i2s_prepare
  8. mt2701_afe_i2s_set_sysclk
  9. mt2701_btmrg_startup
  10. mt2701_btmrg_hw_params
  11. mt2701_btmrg_shutdown
  12. mt2701_simple_fe_startup
  13. mt2701_simple_fe_hw_params
  14. mt2701_dlm_fe_startup
  15. mt2701_dlm_fe_shutdown
  16. mt2701_dlm_fe_hw_params
  17. mt2701_dlm_fe_trigger
  18. mt2701_memif_fs
  19. mt2701_irq_fs
  20. mt2701_afe_pcm_probe
  21. mt2701_asys_isr
  22. mt2701_afe_runtime_suspend
  23. mt2701_afe_runtime_resume
  24. mt2701_afe_pcm_dev_probe
  25. mt2701_afe_pcm_dev_remove

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Mediatek ALSA SoC AFE platform driver for 2701
   4  *
   5  * Copyright (c) 2016 MediaTek Inc.
   6  * Author: Garlic Tseng <garlic.tseng@mediatek.com>
   7  *         Ir Lian <ir.lian@mediatek.com>
   8  *         Ryder Lee <ryder.lee@mediatek.com>
   9  */
  10 
  11 #include <linux/delay.h>
  12 #include <linux/module.h>
  13 #include <linux/mfd/syscon.h>
  14 #include <linux/of.h>
  15 #include <linux/of_address.h>
  16 #include <linux/of_device.h>
  17 #include <linux/pm_runtime.h>
  18 
  19 #include "mt2701-afe-common.h"
  20 #include "mt2701-afe-clock-ctrl.h"
  21 #include "../common/mtk-afe-platform-driver.h"
  22 #include "../common/mtk-afe-fe-dai.h"
  23 
  24 static const struct snd_pcm_hardware mt2701_afe_hardware = {
  25         .info = SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED
  26                 | SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_MMAP_VALID,
  27         .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE
  28                    | SNDRV_PCM_FMTBIT_S32_LE,
  29         .period_bytes_min = 1024,
  30         .period_bytes_max = 1024 * 256,
  31         .periods_min = 4,
  32         .periods_max = 1024,
  33         .buffer_bytes_max = 1024 * 1024,
  34         .fifo_size = 0,
  35 };
  36 
  37 struct mt2701_afe_rate {
  38         unsigned int rate;
  39         unsigned int regvalue;
  40 };
  41 
  42 static const struct mt2701_afe_rate mt2701_afe_i2s_rates[] = {
  43         { .rate = 8000, .regvalue = 0 },
  44         { .rate = 12000, .regvalue = 1 },
  45         { .rate = 16000, .regvalue = 2 },
  46         { .rate = 24000, .regvalue = 3 },
  47         { .rate = 32000, .regvalue = 4 },
  48         { .rate = 48000, .regvalue = 5 },
  49         { .rate = 96000, .regvalue = 6 },
  50         { .rate = 192000, .regvalue = 7 },
  51         { .rate = 384000, .regvalue = 8 },
  52         { .rate = 7350, .regvalue = 16 },
  53         { .rate = 11025, .regvalue = 17 },
  54         { .rate = 14700, .regvalue = 18 },
  55         { .rate = 22050, .regvalue = 19 },
  56         { .rate = 29400, .regvalue = 20 },
  57         { .rate = 44100, .regvalue = 21 },
  58         { .rate = 88200, .regvalue = 22 },
  59         { .rate = 176400, .regvalue = 23 },
  60         { .rate = 352800, .regvalue = 24 },
  61 };
  62 
  63 static const unsigned int mt2701_afe_backup_list[] = {
  64         AUDIO_TOP_CON0,
  65         AUDIO_TOP_CON4,
  66         AUDIO_TOP_CON5,
  67         ASYS_TOP_CON,
  68         AFE_CONN0,
  69         AFE_CONN1,
  70         AFE_CONN2,
  71         AFE_CONN3,
  72         AFE_CONN15,
  73         AFE_CONN16,
  74         AFE_CONN17,
  75         AFE_CONN18,
  76         AFE_CONN19,
  77         AFE_CONN20,
  78         AFE_CONN21,
  79         AFE_CONN22,
  80         AFE_DAC_CON0,
  81         AFE_MEMIF_PBUF_SIZE,
  82 };
  83 
  84 static int mt2701_dai_num_to_i2s(struct mtk_base_afe *afe, int num)
  85 {
  86         struct mt2701_afe_private *afe_priv = afe->platform_priv;
  87         int val = num - MT2701_IO_I2S;
  88 
  89         if (val < 0 || val >= afe_priv->soc->i2s_num) {
  90                 dev_err(afe->dev, "%s, num not available, num %d, val %d\n",
  91                         __func__, num, val);
  92                 return -EINVAL;
  93         }
  94         return val;
  95 }
  96 
  97 static int mt2701_afe_i2s_fs(unsigned int sample_rate)
  98 {
  99         int i;
 100 
 101         for (i = 0; i < ARRAY_SIZE(mt2701_afe_i2s_rates); i++)
 102                 if (mt2701_afe_i2s_rates[i].rate == sample_rate)
 103                         return mt2701_afe_i2s_rates[i].regvalue;
 104 
 105         return -EINVAL;
 106 }
 107 
 108 static int mt2701_afe_i2s_startup(struct snd_pcm_substream *substream,
 109                                   struct snd_soc_dai *dai)
 110 {
 111         struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
 112         struct mt2701_afe_private *afe_priv = afe->platform_priv;
 113         int i2s_num = mt2701_dai_num_to_i2s(afe, dai->id);
 114         bool mode = afe_priv->soc->has_one_heart_mode;
 115 
 116         if (i2s_num < 0)
 117                 return i2s_num;
 118 
 119         return mt2701_afe_enable_mclk(afe, mode ? 1 : i2s_num);
 120 }
 121 
 122 static int mt2701_afe_i2s_path_disable(struct mtk_base_afe *afe,
 123                                        struct mt2701_i2s_path *i2s_path,
 124                                        int stream_dir)
 125 {
 126         const struct mt2701_i2s_data *i2s_data = i2s_path->i2s_data[stream_dir];
 127 
 128         if (--i2s_path->on[stream_dir] < 0)
 129                 i2s_path->on[stream_dir] = 0;
 130 
 131         if (i2s_path->on[stream_dir])
 132                 return 0;
 133 
 134         /* disable i2s */
 135         regmap_update_bits(afe->regmap, i2s_data->i2s_ctrl_reg,
 136                            ASYS_I2S_CON_I2S_EN, 0);
 137 
 138         mt2701_afe_disable_i2s(afe, i2s_path, stream_dir);
 139 
 140         return 0;
 141 }
 142 
 143 static void mt2701_afe_i2s_shutdown(struct snd_pcm_substream *substream,
 144                                     struct snd_soc_dai *dai)
 145 {
 146         struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
 147         struct mt2701_afe_private *afe_priv = afe->platform_priv;
 148         int i2s_num = mt2701_dai_num_to_i2s(afe, dai->id);
 149         struct mt2701_i2s_path *i2s_path;
 150         bool mode = afe_priv->soc->has_one_heart_mode;
 151 
 152         if (i2s_num < 0)
 153                 return;
 154 
 155         i2s_path = &afe_priv->i2s_path[i2s_num];
 156 
 157         if (i2s_path->occupied[substream->stream])
 158                 i2s_path->occupied[substream->stream] = 0;
 159         else
 160                 goto exit;
 161 
 162         mt2701_afe_i2s_path_disable(afe, i2s_path, substream->stream);
 163 
 164         /* need to disable i2s-out path when disable i2s-in */
 165         if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
 166                 mt2701_afe_i2s_path_disable(afe, i2s_path, !substream->stream);
 167 
 168 exit:
 169         /* disable mclk */
 170         mt2701_afe_disable_mclk(afe, mode ? 1 : i2s_num);
 171 }
 172 
 173 static int mt2701_i2s_path_enable(struct mtk_base_afe *afe,
 174                                   struct mt2701_i2s_path *i2s_path,
 175                                   int stream_dir, int rate)
 176 {
 177         const struct mt2701_i2s_data *i2s_data = i2s_path->i2s_data[stream_dir];
 178         struct mt2701_afe_private *afe_priv = afe->platform_priv;
 179         int reg, fs, w_len = 1; /* now we support bck 64bits only */
 180         unsigned int mask, val;
 181 
 182         /* no need to enable if already done */
 183         if (++i2s_path->on[stream_dir] != 1)
 184                 return 0;
 185 
 186         fs = mt2701_afe_i2s_fs(rate);
 187 
 188         mask = ASYS_I2S_CON_FS |
 189                ASYS_I2S_CON_I2S_COUPLE_MODE | /* 0 */
 190                ASYS_I2S_CON_I2S_MODE |
 191                ASYS_I2S_CON_WIDE_MODE;
 192 
 193         val = ASYS_I2S_CON_FS_SET(fs) |
 194               ASYS_I2S_CON_I2S_MODE |
 195               ASYS_I2S_CON_WIDE_MODE_SET(w_len);
 196 
 197         if (stream_dir == SNDRV_PCM_STREAM_CAPTURE) {
 198                 mask |= ASYS_I2S_IN_PHASE_FIX;
 199                 val |= ASYS_I2S_IN_PHASE_FIX;
 200                 reg = ASMI_TIMING_CON1;
 201         } else {
 202                 if (afe_priv->soc->has_one_heart_mode) {
 203                         mask |= ASYS_I2S_CON_ONE_HEART_MODE;
 204                         val |= ASYS_I2S_CON_ONE_HEART_MODE;
 205                 }
 206                 reg = ASMO_TIMING_CON1;
 207         }
 208 
 209         regmap_update_bits(afe->regmap, i2s_data->i2s_ctrl_reg, mask, val);
 210 
 211         regmap_update_bits(afe->regmap, reg,
 212                            i2s_data->i2s_asrc_fs_mask
 213                            << i2s_data->i2s_asrc_fs_shift,
 214                            fs << i2s_data->i2s_asrc_fs_shift);
 215 
 216         /* enable i2s */
 217         mt2701_afe_enable_i2s(afe, i2s_path, stream_dir);
 218 
 219         /* reset i2s hw status before enable */
 220         regmap_update_bits(afe->regmap, i2s_data->i2s_ctrl_reg,
 221                            ASYS_I2S_CON_RESET, ASYS_I2S_CON_RESET);
 222         udelay(1);
 223         regmap_update_bits(afe->regmap, i2s_data->i2s_ctrl_reg,
 224                            ASYS_I2S_CON_RESET, 0);
 225         udelay(1);
 226         regmap_update_bits(afe->regmap, i2s_data->i2s_ctrl_reg,
 227                            ASYS_I2S_CON_I2S_EN, ASYS_I2S_CON_I2S_EN);
 228         return 0;
 229 }
 230 
 231 static int mt2701_afe_i2s_prepare(struct snd_pcm_substream *substream,
 232                                   struct snd_soc_dai *dai)
 233 {
 234         struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
 235         struct mt2701_afe_private *afe_priv = afe->platform_priv;
 236         int ret, i2s_num = mt2701_dai_num_to_i2s(afe, dai->id);
 237         struct mt2701_i2s_path *i2s_path;
 238         bool mode = afe_priv->soc->has_one_heart_mode;
 239 
 240         if (i2s_num < 0)
 241                 return i2s_num;
 242 
 243         i2s_path = &afe_priv->i2s_path[i2s_num];
 244 
 245         if (i2s_path->occupied[substream->stream])
 246                 return -EBUSY;
 247 
 248         ret = mt2701_mclk_configuration(afe, mode ? 1 : i2s_num);
 249         if (ret)
 250                 return ret;
 251 
 252         i2s_path->occupied[substream->stream] = 1;
 253 
 254         /* need to enable i2s-out path when enable i2s-in */
 255         if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
 256                 mt2701_i2s_path_enable(afe, i2s_path, !substream->stream,
 257                                        substream->runtime->rate);
 258 
 259         mt2701_i2s_path_enable(afe, i2s_path, substream->stream,
 260                                substream->runtime->rate);
 261 
 262         return 0;
 263 }
 264 
 265 static int mt2701_afe_i2s_set_sysclk(struct snd_soc_dai *dai, int clk_id,
 266                                      unsigned int freq, int dir)
 267 {
 268         struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
 269         struct mt2701_afe_private *afe_priv = afe->platform_priv;
 270         int i2s_num = mt2701_dai_num_to_i2s(afe, dai->id);
 271         bool mode = afe_priv->soc->has_one_heart_mode;
 272 
 273         if (i2s_num < 0)
 274                 return i2s_num;
 275 
 276         /* mclk */
 277         if (dir == SND_SOC_CLOCK_IN) {
 278                 dev_warn(dai->dev, "The SoCs doesn't support mclk input\n");
 279                 return -EINVAL;
 280         }
 281 
 282         afe_priv->i2s_path[mode ? 1 : i2s_num].mclk_rate = freq;
 283 
 284         return 0;
 285 }
 286 
 287 static int mt2701_btmrg_startup(struct snd_pcm_substream *substream,
 288                                 struct snd_soc_dai *dai)
 289 {
 290         struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
 291         struct mt2701_afe_private *afe_priv = afe->platform_priv;
 292         int ret;
 293 
 294         ret = mt2701_enable_btmrg_clk(afe);
 295         if (ret)
 296                 return ret;
 297 
 298         afe_priv->mrg_enable[substream->stream] = 1;
 299 
 300         return 0;
 301 }
 302 
 303 static int mt2701_btmrg_hw_params(struct snd_pcm_substream *substream,
 304                                   struct snd_pcm_hw_params *params,
 305                                   struct snd_soc_dai *dai)
 306 {
 307         struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
 308         int stream_fs;
 309         u32 val, msk;
 310 
 311         stream_fs = params_rate(params);
 312 
 313         if (stream_fs != 8000 && stream_fs != 16000) {
 314                 dev_err(afe->dev, "unsupported rate %d\n", stream_fs);
 315                 return -EINVAL;
 316         }
 317 
 318         regmap_update_bits(afe->regmap, AFE_MRGIF_CON,
 319                            AFE_MRGIF_CON_I2S_MODE_MASK,
 320                            AFE_MRGIF_CON_I2S_MODE_32K);
 321 
 322         val = AFE_DAIBT_CON0_BT_FUNC_EN | AFE_DAIBT_CON0_BT_FUNC_RDY
 323               | AFE_DAIBT_CON0_MRG_USE;
 324         msk = val;
 325 
 326         if (stream_fs == 16000)
 327                 val |= AFE_DAIBT_CON0_BT_WIDE_MODE_EN;
 328 
 329         msk |= AFE_DAIBT_CON0_BT_WIDE_MODE_EN;
 330 
 331         regmap_update_bits(afe->regmap, AFE_DAIBT_CON0, msk, val);
 332 
 333         regmap_update_bits(afe->regmap, AFE_DAIBT_CON0,
 334                            AFE_DAIBT_CON0_DAIBT_EN,
 335                            AFE_DAIBT_CON0_DAIBT_EN);
 336         regmap_update_bits(afe->regmap, AFE_MRGIF_CON,
 337                            AFE_MRGIF_CON_MRG_I2S_EN,
 338                            AFE_MRGIF_CON_MRG_I2S_EN);
 339         regmap_update_bits(afe->regmap, AFE_MRGIF_CON,
 340                            AFE_MRGIF_CON_MRG_EN,
 341                            AFE_MRGIF_CON_MRG_EN);
 342         return 0;
 343 }
 344 
 345 static void mt2701_btmrg_shutdown(struct snd_pcm_substream *substream,
 346                                   struct snd_soc_dai *dai)
 347 {
 348         struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
 349         struct mt2701_afe_private *afe_priv = afe->platform_priv;
 350 
 351         /* if the other direction stream is not occupied */
 352         if (!afe_priv->mrg_enable[!substream->stream]) {
 353                 regmap_update_bits(afe->regmap, AFE_DAIBT_CON0,
 354                                    AFE_DAIBT_CON0_DAIBT_EN, 0);
 355                 regmap_update_bits(afe->regmap, AFE_MRGIF_CON,
 356                                    AFE_MRGIF_CON_MRG_EN, 0);
 357                 regmap_update_bits(afe->regmap, AFE_MRGIF_CON,
 358                                    AFE_MRGIF_CON_MRG_I2S_EN, 0);
 359                 mt2701_disable_btmrg_clk(afe);
 360         }
 361 
 362         afe_priv->mrg_enable[substream->stream] = 0;
 363 }
 364 
 365 static int mt2701_simple_fe_startup(struct snd_pcm_substream *substream,
 366                                     struct snd_soc_dai *dai)
 367 {
 368         struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
 369         struct mtk_base_afe_memif *memif_tmp;
 370         int stream_dir = substream->stream;
 371 
 372         /* can't run single DL & DLM at the same time */
 373         if (stream_dir == SNDRV_PCM_STREAM_PLAYBACK) {
 374                 memif_tmp = &afe->memif[MT2701_MEMIF_DLM];
 375                 if (memif_tmp->substream) {
 376                         dev_warn(afe->dev, "memif is not available");
 377                         return -EBUSY;
 378                 }
 379         }
 380 
 381         return mtk_afe_fe_startup(substream, dai);
 382 }
 383 
 384 static int mt2701_simple_fe_hw_params(struct snd_pcm_substream *substream,
 385                                       struct snd_pcm_hw_params *params,
 386                                       struct snd_soc_dai *dai)
 387 {
 388         struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
 389         int stream_dir = substream->stream;
 390 
 391         /* single DL use PAIR_INTERLEAVE */
 392         if (stream_dir == SNDRV_PCM_STREAM_PLAYBACK)
 393                 regmap_update_bits(afe->regmap,
 394                                    AFE_MEMIF_PBUF_SIZE,
 395                                    AFE_MEMIF_PBUF_SIZE_DLM_MASK,
 396                                    AFE_MEMIF_PBUF_SIZE_PAIR_INTERLEAVE);
 397 
 398         return mtk_afe_fe_hw_params(substream, params, dai);
 399 }
 400 
 401 static int mt2701_dlm_fe_startup(struct snd_pcm_substream *substream,
 402                                  struct snd_soc_dai *dai)
 403 {
 404         struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
 405         struct mtk_base_afe_memif *memif_tmp;
 406         const struct mtk_base_memif_data *memif_data;
 407         int i;
 408 
 409         for (i = MT2701_MEMIF_DL1; i < MT2701_MEMIF_DL_SINGLE_NUM; ++i) {
 410                 memif_tmp = &afe->memif[i];
 411                 if (memif_tmp->substream)
 412                         return -EBUSY;
 413         }
 414 
 415         /* enable agent for all signal DL (due to hw design) */
 416         for (i = MT2701_MEMIF_DL1; i < MT2701_MEMIF_DL_SINGLE_NUM; ++i) {
 417                 memif_data = afe->memif[i].data;
 418                 regmap_update_bits(afe->regmap,
 419                                    memif_data->agent_disable_reg,
 420                                    1 << memif_data->agent_disable_shift,
 421                                    0 << memif_data->agent_disable_shift);
 422         }
 423 
 424         return mtk_afe_fe_startup(substream, dai);
 425 }
 426 
 427 static void mt2701_dlm_fe_shutdown(struct snd_pcm_substream *substream,
 428                                    struct snd_soc_dai *dai)
 429 {
 430         struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
 431         const struct mtk_base_memif_data *memif_data;
 432         int i;
 433 
 434         for (i = MT2701_MEMIF_DL1; i < MT2701_MEMIF_DL_SINGLE_NUM; ++i) {
 435                 memif_data = afe->memif[i].data;
 436                 regmap_update_bits(afe->regmap,
 437                                    memif_data->agent_disable_reg,
 438                                    1 << memif_data->agent_disable_shift,
 439                                    1 << memif_data->agent_disable_shift);
 440         }
 441 
 442         return mtk_afe_fe_shutdown(substream, dai);
 443 }
 444 
 445 static int mt2701_dlm_fe_hw_params(struct snd_pcm_substream *substream,
 446                                    struct snd_pcm_hw_params *params,
 447                                    struct snd_soc_dai *dai)
 448 {
 449         struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
 450         int channels = params_channels(params);
 451 
 452         regmap_update_bits(afe->regmap,
 453                            AFE_MEMIF_PBUF_SIZE,
 454                            AFE_MEMIF_PBUF_SIZE_DLM_MASK,
 455                            AFE_MEMIF_PBUF_SIZE_FULL_INTERLEAVE);
 456         regmap_update_bits(afe->regmap,
 457                            AFE_MEMIF_PBUF_SIZE,
 458                            AFE_MEMIF_PBUF_SIZE_DLM_BYTE_MASK,
 459                            AFE_MEMIF_PBUF_SIZE_DLM_32BYTES);
 460         regmap_update_bits(afe->regmap,
 461                            AFE_MEMIF_PBUF_SIZE,
 462                            AFE_MEMIF_PBUF_SIZE_DLM_CH_MASK,
 463                            AFE_MEMIF_PBUF_SIZE_DLM_CH(channels));
 464 
 465         return mtk_afe_fe_hw_params(substream, params, dai);
 466 }
 467 
 468 static int mt2701_dlm_fe_trigger(struct snd_pcm_substream *substream,
 469                                  int cmd, struct snd_soc_dai *dai)
 470 {
 471         struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
 472         struct mtk_base_afe_memif *memif_tmp = &afe->memif[MT2701_MEMIF_DL1];
 473 
 474         switch (cmd) {
 475         case SNDRV_PCM_TRIGGER_START:
 476         case SNDRV_PCM_TRIGGER_RESUME:
 477                 regmap_update_bits(afe->regmap, memif_tmp->data->enable_reg,
 478                                    1 << memif_tmp->data->enable_shift,
 479                                    1 << memif_tmp->data->enable_shift);
 480                 mtk_afe_fe_trigger(substream, cmd, dai);
 481                 return 0;
 482         case SNDRV_PCM_TRIGGER_STOP:
 483         case SNDRV_PCM_TRIGGER_SUSPEND:
 484                 mtk_afe_fe_trigger(substream, cmd, dai);
 485                 regmap_update_bits(afe->regmap, memif_tmp->data->enable_reg,
 486                                    1 << memif_tmp->data->enable_shift, 0);
 487 
 488                 return 0;
 489         default:
 490                 return -EINVAL;
 491         }
 492 }
 493 
 494 static int mt2701_memif_fs(struct snd_pcm_substream *substream,
 495                            unsigned int rate)
 496 {
 497         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 498         int fs;
 499 
 500         if (rtd->cpu_dai->id != MT2701_MEMIF_ULBT)
 501                 fs = mt2701_afe_i2s_fs(rate);
 502         else
 503                 fs = (rate == 16000 ? 1 : 0);
 504 
 505         return fs;
 506 }
 507 
 508 static int mt2701_irq_fs(struct snd_pcm_substream *substream, unsigned int rate)
 509 {
 510         return mt2701_afe_i2s_fs(rate);
 511 }
 512 
 513 /* FE DAIs */
 514 static const struct snd_soc_dai_ops mt2701_single_memif_dai_ops = {
 515         .startup        = mt2701_simple_fe_startup,
 516         .shutdown       = mtk_afe_fe_shutdown,
 517         .hw_params      = mt2701_simple_fe_hw_params,
 518         .hw_free        = mtk_afe_fe_hw_free,
 519         .prepare        = mtk_afe_fe_prepare,
 520         .trigger        = mtk_afe_fe_trigger,
 521 };
 522 
 523 static const struct snd_soc_dai_ops mt2701_dlm_memif_dai_ops = {
 524         .startup        = mt2701_dlm_fe_startup,
 525         .shutdown       = mt2701_dlm_fe_shutdown,
 526         .hw_params      = mt2701_dlm_fe_hw_params,
 527         .hw_free        = mtk_afe_fe_hw_free,
 528         .prepare        = mtk_afe_fe_prepare,
 529         .trigger        = mt2701_dlm_fe_trigger,
 530 };
 531 
 532 /* I2S BE DAIs */
 533 static const struct snd_soc_dai_ops mt2701_afe_i2s_ops = {
 534         .startup        = mt2701_afe_i2s_startup,
 535         .shutdown       = mt2701_afe_i2s_shutdown,
 536         .prepare        = mt2701_afe_i2s_prepare,
 537         .set_sysclk     = mt2701_afe_i2s_set_sysclk,
 538 };
 539 
 540 /* MRG BE DAIs */
 541 static const struct snd_soc_dai_ops mt2701_btmrg_ops = {
 542         .startup = mt2701_btmrg_startup,
 543         .shutdown = mt2701_btmrg_shutdown,
 544         .hw_params = mt2701_btmrg_hw_params,
 545 };
 546 
 547 static struct snd_soc_dai_driver mt2701_afe_pcm_dais[] = {
 548         /* FE DAIs: memory intefaces to CPU */
 549         {
 550                 .name = "PCMO0",
 551                 .id = MT2701_MEMIF_DL1,
 552                 .suspend = mtk_afe_dai_suspend,
 553                 .resume = mtk_afe_dai_resume,
 554                 .playback = {
 555                         .stream_name = "DL1",
 556                         .channels_min = 1,
 557                         .channels_max = 2,
 558                         .rates = SNDRV_PCM_RATE_8000_192000,
 559                         .formats = (SNDRV_PCM_FMTBIT_S16_LE
 560                                 | SNDRV_PCM_FMTBIT_S24_LE
 561                                 | SNDRV_PCM_FMTBIT_S32_LE)
 562                 },
 563                 .ops = &mt2701_single_memif_dai_ops,
 564         },
 565         {
 566                 .name = "PCM_multi",
 567                 .id = MT2701_MEMIF_DLM,
 568                 .suspend = mtk_afe_dai_suspend,
 569                 .resume = mtk_afe_dai_resume,
 570                 .playback = {
 571                         .stream_name = "DLM",
 572                         .channels_min = 1,
 573                         .channels_max = 8,
 574                         .rates = SNDRV_PCM_RATE_8000_192000,
 575                         .formats = (SNDRV_PCM_FMTBIT_S16_LE
 576                                 | SNDRV_PCM_FMTBIT_S24_LE
 577                                 | SNDRV_PCM_FMTBIT_S32_LE)
 578 
 579                 },
 580                 .ops = &mt2701_dlm_memif_dai_ops,
 581         },
 582         {
 583                 .name = "PCM0",
 584                 .id = MT2701_MEMIF_UL1,
 585                 .suspend = mtk_afe_dai_suspend,
 586                 .resume = mtk_afe_dai_resume,
 587                 .capture = {
 588                         .stream_name = "UL1",
 589                         .channels_min = 1,
 590                         .channels_max = 2,
 591                         .rates = SNDRV_PCM_RATE_8000_48000,
 592                         .formats = (SNDRV_PCM_FMTBIT_S16_LE
 593                                 | SNDRV_PCM_FMTBIT_S24_LE
 594                                 | SNDRV_PCM_FMTBIT_S32_LE)
 595                 },
 596                 .ops = &mt2701_single_memif_dai_ops,
 597         },
 598         {
 599                 .name = "PCM1",
 600                 .id = MT2701_MEMIF_UL2,
 601                 .suspend = mtk_afe_dai_suspend,
 602                 .resume = mtk_afe_dai_resume,
 603                 .capture = {
 604                         .stream_name = "UL2",
 605                         .channels_min = 1,
 606                         .channels_max = 2,
 607                         .rates = SNDRV_PCM_RATE_8000_192000,
 608                         .formats = (SNDRV_PCM_FMTBIT_S16_LE
 609                                 | SNDRV_PCM_FMTBIT_S24_LE
 610                                 | SNDRV_PCM_FMTBIT_S32_LE)
 611 
 612                 },
 613                 .ops = &mt2701_single_memif_dai_ops,
 614         },
 615         {
 616                 .name = "PCM_BT_DL",
 617                 .id = MT2701_MEMIF_DLBT,
 618                 .suspend = mtk_afe_dai_suspend,
 619                 .resume = mtk_afe_dai_resume,
 620                 .playback = {
 621                         .stream_name = "DLBT",
 622                         .channels_min = 1,
 623                         .channels_max = 1,
 624                         .rates = (SNDRV_PCM_RATE_8000
 625                                 | SNDRV_PCM_RATE_16000),
 626                         .formats = SNDRV_PCM_FMTBIT_S16_LE,
 627                 },
 628                 .ops = &mt2701_single_memif_dai_ops,
 629         },
 630         {
 631                 .name = "PCM_BT_UL",
 632                 .id = MT2701_MEMIF_ULBT,
 633                 .suspend = mtk_afe_dai_suspend,
 634                 .resume = mtk_afe_dai_resume,
 635                 .capture = {
 636                         .stream_name = "ULBT",
 637                         .channels_min = 1,
 638                         .channels_max = 1,
 639                         .rates = (SNDRV_PCM_RATE_8000
 640                                 | SNDRV_PCM_RATE_16000),
 641                         .formats = SNDRV_PCM_FMTBIT_S16_LE,
 642                 },
 643                 .ops = &mt2701_single_memif_dai_ops,
 644         },
 645         /* BE DAIs */
 646         {
 647                 .name = "I2S0",
 648                 .id = MT2701_IO_I2S,
 649                 .playback = {
 650                         .stream_name = "I2S0 Playback",
 651                         .channels_min = 1,
 652                         .channels_max = 2,
 653                         .rates = SNDRV_PCM_RATE_8000_192000,
 654                         .formats = (SNDRV_PCM_FMTBIT_S16_LE
 655                                 | SNDRV_PCM_FMTBIT_S24_LE
 656                                 | SNDRV_PCM_FMTBIT_S32_LE)
 657 
 658                 },
 659                 .capture = {
 660                         .stream_name = "I2S0 Capture",
 661                         .channels_min = 1,
 662                         .channels_max = 2,
 663                         .rates = SNDRV_PCM_RATE_8000_192000,
 664                         .formats = (SNDRV_PCM_FMTBIT_S16_LE
 665                                 | SNDRV_PCM_FMTBIT_S24_LE
 666                                 | SNDRV_PCM_FMTBIT_S32_LE)
 667 
 668                 },
 669                 .ops = &mt2701_afe_i2s_ops,
 670                 .symmetric_rates = 1,
 671         },
 672         {
 673                 .name = "I2S1",
 674                 .id = MT2701_IO_2ND_I2S,
 675                 .playback = {
 676                         .stream_name = "I2S1 Playback",
 677                         .channels_min = 1,
 678                         .channels_max = 2,
 679                         .rates = SNDRV_PCM_RATE_8000_192000,
 680                         .formats = (SNDRV_PCM_FMTBIT_S16_LE
 681                                 | SNDRV_PCM_FMTBIT_S24_LE
 682                                 | SNDRV_PCM_FMTBIT_S32_LE)
 683                         },
 684                 .capture = {
 685                         .stream_name = "I2S1 Capture",
 686                         .channels_min = 1,
 687                         .channels_max = 2,
 688                         .rates = SNDRV_PCM_RATE_8000_192000,
 689                         .formats = (SNDRV_PCM_FMTBIT_S16_LE
 690                                 | SNDRV_PCM_FMTBIT_S24_LE
 691                                 | SNDRV_PCM_FMTBIT_S32_LE)
 692                         },
 693                 .ops = &mt2701_afe_i2s_ops,
 694                 .symmetric_rates = 1,
 695         },
 696         {
 697                 .name = "I2S2",
 698                 .id = MT2701_IO_3RD_I2S,
 699                 .playback = {
 700                         .stream_name = "I2S2 Playback",
 701                         .channels_min = 1,
 702                         .channels_max = 2,
 703                         .rates = SNDRV_PCM_RATE_8000_192000,
 704                         .formats = (SNDRV_PCM_FMTBIT_S16_LE
 705                                 | SNDRV_PCM_FMTBIT_S24_LE
 706                                 | SNDRV_PCM_FMTBIT_S32_LE)
 707                         },
 708                 .capture = {
 709                         .stream_name = "I2S2 Capture",
 710                         .channels_min = 1,
 711                         .channels_max = 2,
 712                         .rates = SNDRV_PCM_RATE_8000_192000,
 713                         .formats = (SNDRV_PCM_FMTBIT_S16_LE
 714                                 | SNDRV_PCM_FMTBIT_S24_LE
 715                                 | SNDRV_PCM_FMTBIT_S32_LE)
 716                         },
 717                 .ops = &mt2701_afe_i2s_ops,
 718                 .symmetric_rates = 1,
 719         },
 720         {
 721                 .name = "I2S3",
 722                 .id = MT2701_IO_4TH_I2S,
 723                 .playback = {
 724                         .stream_name = "I2S3 Playback",
 725                         .channels_min = 1,
 726                         .channels_max = 2,
 727                         .rates = SNDRV_PCM_RATE_8000_192000,
 728                         .formats = (SNDRV_PCM_FMTBIT_S16_LE
 729                                 | SNDRV_PCM_FMTBIT_S24_LE
 730                                 | SNDRV_PCM_FMTBIT_S32_LE)
 731                         },
 732                 .capture = {
 733                         .stream_name = "I2S3 Capture",
 734                         .channels_min = 1,
 735                         .channels_max = 2,
 736                         .rates = SNDRV_PCM_RATE_8000_192000,
 737                         .formats = (SNDRV_PCM_FMTBIT_S16_LE
 738                                 | SNDRV_PCM_FMTBIT_S24_LE
 739                                 | SNDRV_PCM_FMTBIT_S32_LE)
 740                         },
 741                 .ops = &mt2701_afe_i2s_ops,
 742                 .symmetric_rates = 1,
 743         },
 744         {
 745                 .name = "MRG BT",
 746                 .id = MT2701_IO_MRG,
 747                 .playback = {
 748                         .stream_name = "BT Playback",
 749                         .channels_min = 1,
 750                         .channels_max = 1,
 751                         .rates = (SNDRV_PCM_RATE_8000
 752                                 | SNDRV_PCM_RATE_16000),
 753                         .formats = SNDRV_PCM_FMTBIT_S16_LE,
 754                 },
 755                 .capture = {
 756                         .stream_name = "BT Capture",
 757                         .channels_min = 1,
 758                         .channels_max = 1,
 759                         .rates = (SNDRV_PCM_RATE_8000
 760                                 | SNDRV_PCM_RATE_16000),
 761                         .formats = SNDRV_PCM_FMTBIT_S16_LE,
 762                 },
 763                 .ops = &mt2701_btmrg_ops,
 764                 .symmetric_rates = 1,
 765         }
 766 };
 767 
 768 static const struct snd_kcontrol_new mt2701_afe_o00_mix[] = {
 769         SOC_DAPM_SINGLE_AUTODISABLE("I00 Switch", AFE_CONN0, 0, 1, 0),
 770 };
 771 
 772 static const struct snd_kcontrol_new mt2701_afe_o01_mix[] = {
 773         SOC_DAPM_SINGLE_AUTODISABLE("I01 Switch", AFE_CONN1, 1, 1, 0),
 774 };
 775 
 776 static const struct snd_kcontrol_new mt2701_afe_o02_mix[] = {
 777         SOC_DAPM_SINGLE_AUTODISABLE("I02 Switch", AFE_CONN2, 2, 1, 0),
 778 };
 779 
 780 static const struct snd_kcontrol_new mt2701_afe_o03_mix[] = {
 781         SOC_DAPM_SINGLE_AUTODISABLE("I03 Switch", AFE_CONN3, 3, 1, 0),
 782 };
 783 
 784 static const struct snd_kcontrol_new mt2701_afe_o14_mix[] = {
 785         SOC_DAPM_SINGLE_AUTODISABLE("I26 Switch", AFE_CONN14, 26, 1, 0),
 786 };
 787 
 788 static const struct snd_kcontrol_new mt2701_afe_o15_mix[] = {
 789         SOC_DAPM_SINGLE_AUTODISABLE("I12 Switch", AFE_CONN15, 12, 1, 0),
 790 };
 791 
 792 static const struct snd_kcontrol_new mt2701_afe_o16_mix[] = {
 793         SOC_DAPM_SINGLE_AUTODISABLE("I13 Switch", AFE_CONN16, 13, 1, 0),
 794 };
 795 
 796 static const struct snd_kcontrol_new mt2701_afe_o17_mix[] = {
 797         SOC_DAPM_SINGLE_AUTODISABLE("I14 Switch", AFE_CONN17, 14, 1, 0),
 798 };
 799 
 800 static const struct snd_kcontrol_new mt2701_afe_o18_mix[] = {
 801         SOC_DAPM_SINGLE_AUTODISABLE("I15 Switch", AFE_CONN18, 15, 1, 0),
 802 };
 803 
 804 static const struct snd_kcontrol_new mt2701_afe_o19_mix[] = {
 805         SOC_DAPM_SINGLE_AUTODISABLE("I16 Switch", AFE_CONN19, 16, 1, 0),
 806 };
 807 
 808 static const struct snd_kcontrol_new mt2701_afe_o20_mix[] = {
 809         SOC_DAPM_SINGLE_AUTODISABLE("I17 Switch", AFE_CONN20, 17, 1, 0),
 810 };
 811 
 812 static const struct snd_kcontrol_new mt2701_afe_o21_mix[] = {
 813         SOC_DAPM_SINGLE_AUTODISABLE("I18 Switch", AFE_CONN21, 18, 1, 0),
 814 };
 815 
 816 static const struct snd_kcontrol_new mt2701_afe_o22_mix[] = {
 817         SOC_DAPM_SINGLE_AUTODISABLE("I19 Switch", AFE_CONN22, 19, 1, 0),
 818 };
 819 
 820 static const struct snd_kcontrol_new mt2701_afe_o31_mix[] = {
 821         SOC_DAPM_SINGLE_AUTODISABLE("I35 Switch", AFE_CONN41, 9, 1, 0),
 822 };
 823 
 824 static const struct snd_kcontrol_new mt2701_afe_i02_mix[] = {
 825         SOC_DAPM_SINGLE("I2S0 Switch", SND_SOC_NOPM, 0, 1, 0),
 826 };
 827 
 828 static const struct snd_kcontrol_new mt2701_afe_multi_ch_out_i2s0[] = {
 829         SOC_DAPM_SINGLE_AUTODISABLE("Multich I2S0 Out Switch",
 830                                     ASYS_I2SO1_CON, 26, 1, 0),
 831 };
 832 
 833 static const struct snd_kcontrol_new mt2701_afe_multi_ch_out_i2s1[] = {
 834         SOC_DAPM_SINGLE_AUTODISABLE("Multich I2S1 Out Switch",
 835                                     ASYS_I2SO2_CON, 26, 1, 0),
 836 };
 837 
 838 static const struct snd_kcontrol_new mt2701_afe_multi_ch_out_i2s2[] = {
 839         SOC_DAPM_SINGLE_AUTODISABLE("Multich I2S2 Out Switch",
 840                                     PWR2_TOP_CON, 17, 1, 0),
 841 };
 842 
 843 static const struct snd_kcontrol_new mt2701_afe_multi_ch_out_i2s3[] = {
 844         SOC_DAPM_SINGLE_AUTODISABLE("Multich I2S3 Out Switch",
 845                                     PWR2_TOP_CON, 18, 1, 0),
 846 };
 847 
 848 static const struct snd_soc_dapm_widget mt2701_afe_pcm_widgets[] = {
 849         /* inter-connections */
 850         SND_SOC_DAPM_MIXER("I00", SND_SOC_NOPM, 0, 0, NULL, 0),
 851         SND_SOC_DAPM_MIXER("I01", SND_SOC_NOPM, 0, 0, NULL, 0),
 852         SND_SOC_DAPM_MIXER("I02", SND_SOC_NOPM, 0, 0, mt2701_afe_i02_mix,
 853                            ARRAY_SIZE(mt2701_afe_i02_mix)),
 854         SND_SOC_DAPM_MIXER("I03", SND_SOC_NOPM, 0, 0, NULL, 0),
 855         SND_SOC_DAPM_MIXER("I12", SND_SOC_NOPM, 0, 0, NULL, 0),
 856         SND_SOC_DAPM_MIXER("I13", SND_SOC_NOPM, 0, 0, NULL, 0),
 857         SND_SOC_DAPM_MIXER("I14", SND_SOC_NOPM, 0, 0, NULL, 0),
 858         SND_SOC_DAPM_MIXER("I15", SND_SOC_NOPM, 0, 0, NULL, 0),
 859         SND_SOC_DAPM_MIXER("I16", SND_SOC_NOPM, 0, 0, NULL, 0),
 860         SND_SOC_DAPM_MIXER("I17", SND_SOC_NOPM, 0, 0, NULL, 0),
 861         SND_SOC_DAPM_MIXER("I18", SND_SOC_NOPM, 0, 0, NULL, 0),
 862         SND_SOC_DAPM_MIXER("I19", SND_SOC_NOPM, 0, 0, NULL, 0),
 863         SND_SOC_DAPM_MIXER("I26", SND_SOC_NOPM, 0, 0, NULL, 0),
 864         SND_SOC_DAPM_MIXER("I35", SND_SOC_NOPM, 0, 0, NULL, 0),
 865 
 866         SND_SOC_DAPM_MIXER("O00", SND_SOC_NOPM, 0, 0, mt2701_afe_o00_mix,
 867                            ARRAY_SIZE(mt2701_afe_o00_mix)),
 868         SND_SOC_DAPM_MIXER("O01", SND_SOC_NOPM, 0, 0, mt2701_afe_o01_mix,
 869                            ARRAY_SIZE(mt2701_afe_o01_mix)),
 870         SND_SOC_DAPM_MIXER("O02", SND_SOC_NOPM, 0, 0, mt2701_afe_o02_mix,
 871                            ARRAY_SIZE(mt2701_afe_o02_mix)),
 872         SND_SOC_DAPM_MIXER("O03", SND_SOC_NOPM, 0, 0, mt2701_afe_o03_mix,
 873                            ARRAY_SIZE(mt2701_afe_o03_mix)),
 874         SND_SOC_DAPM_MIXER("O14", SND_SOC_NOPM, 0, 0, mt2701_afe_o14_mix,
 875                            ARRAY_SIZE(mt2701_afe_o14_mix)),
 876         SND_SOC_DAPM_MIXER("O15", SND_SOC_NOPM, 0, 0, mt2701_afe_o15_mix,
 877                            ARRAY_SIZE(mt2701_afe_o15_mix)),
 878         SND_SOC_DAPM_MIXER("O16", SND_SOC_NOPM, 0, 0, mt2701_afe_o16_mix,
 879                            ARRAY_SIZE(mt2701_afe_o16_mix)),
 880         SND_SOC_DAPM_MIXER("O17", SND_SOC_NOPM, 0, 0, mt2701_afe_o17_mix,
 881                            ARRAY_SIZE(mt2701_afe_o17_mix)),
 882         SND_SOC_DAPM_MIXER("O18", SND_SOC_NOPM, 0, 0, mt2701_afe_o18_mix,
 883                            ARRAY_SIZE(mt2701_afe_o18_mix)),
 884         SND_SOC_DAPM_MIXER("O19", SND_SOC_NOPM, 0, 0, mt2701_afe_o19_mix,
 885                            ARRAY_SIZE(mt2701_afe_o19_mix)),
 886         SND_SOC_DAPM_MIXER("O20", SND_SOC_NOPM, 0, 0, mt2701_afe_o20_mix,
 887                            ARRAY_SIZE(mt2701_afe_o20_mix)),
 888         SND_SOC_DAPM_MIXER("O21", SND_SOC_NOPM, 0, 0, mt2701_afe_o21_mix,
 889                            ARRAY_SIZE(mt2701_afe_o21_mix)),
 890         SND_SOC_DAPM_MIXER("O22", SND_SOC_NOPM, 0, 0, mt2701_afe_o22_mix,
 891                            ARRAY_SIZE(mt2701_afe_o22_mix)),
 892         SND_SOC_DAPM_MIXER("O31", SND_SOC_NOPM, 0, 0, mt2701_afe_o31_mix,
 893                            ARRAY_SIZE(mt2701_afe_o31_mix)),
 894 
 895         SND_SOC_DAPM_MIXER("I12I13", SND_SOC_NOPM, 0, 0,
 896                            mt2701_afe_multi_ch_out_i2s0,
 897                            ARRAY_SIZE(mt2701_afe_multi_ch_out_i2s0)),
 898         SND_SOC_DAPM_MIXER("I14I15", SND_SOC_NOPM, 0, 0,
 899                            mt2701_afe_multi_ch_out_i2s1,
 900                            ARRAY_SIZE(mt2701_afe_multi_ch_out_i2s1)),
 901         SND_SOC_DAPM_MIXER("I16I17", SND_SOC_NOPM, 0, 0,
 902                            mt2701_afe_multi_ch_out_i2s2,
 903                            ARRAY_SIZE(mt2701_afe_multi_ch_out_i2s2)),
 904         SND_SOC_DAPM_MIXER("I18I19", SND_SOC_NOPM, 0, 0,
 905                            mt2701_afe_multi_ch_out_i2s3,
 906                            ARRAY_SIZE(mt2701_afe_multi_ch_out_i2s3)),
 907 };
 908 
 909 static const struct snd_soc_dapm_route mt2701_afe_pcm_routes[] = {
 910         {"I12", NULL, "DL1"},
 911         {"I13", NULL, "DL1"},
 912         {"I35", NULL, "DLBT"},
 913 
 914         {"I2S0 Playback", NULL, "O15"},
 915         {"I2S0 Playback", NULL, "O16"},
 916         {"I2S1 Playback", NULL, "O17"},
 917         {"I2S1 Playback", NULL, "O18"},
 918         {"I2S2 Playback", NULL, "O19"},
 919         {"I2S2 Playback", NULL, "O20"},
 920         {"I2S3 Playback", NULL, "O21"},
 921         {"I2S3 Playback", NULL, "O22"},
 922         {"BT Playback", NULL, "O31"},
 923 
 924         {"UL1", NULL, "O00"},
 925         {"UL1", NULL, "O01"},
 926         {"UL2", NULL, "O02"},
 927         {"UL2", NULL, "O03"},
 928         {"ULBT", NULL, "O14"},
 929 
 930         {"I00", NULL, "I2S0 Capture"},
 931         {"I01", NULL, "I2S0 Capture"},
 932         {"I02", NULL, "I2S1 Capture"},
 933         {"I03", NULL, "I2S1 Capture"},
 934         /* I02,03 link to UL2, also need to open I2S0 */
 935         {"I02", "I2S0 Switch", "I2S0 Capture"},
 936 
 937         {"I26", NULL, "BT Capture"},
 938 
 939         {"I12I13", "Multich I2S0 Out Switch", "DLM"},
 940         {"I14I15", "Multich I2S1 Out Switch", "DLM"},
 941         {"I16I17", "Multich I2S2 Out Switch", "DLM"},
 942         {"I18I19", "Multich I2S3 Out Switch", "DLM"},
 943 
 944         { "I12", NULL, "I12I13" },
 945         { "I13", NULL, "I12I13" },
 946         { "I14", NULL, "I14I15" },
 947         { "I15", NULL, "I14I15" },
 948         { "I16", NULL, "I16I17" },
 949         { "I17", NULL, "I16I17" },
 950         { "I18", NULL, "I18I19" },
 951         { "I19", NULL, "I18I19" },
 952 
 953         { "O00", "I00 Switch", "I00" },
 954         { "O01", "I01 Switch", "I01" },
 955         { "O02", "I02 Switch", "I02" },
 956         { "O03", "I03 Switch", "I03" },
 957         { "O14", "I26 Switch", "I26" },
 958         { "O15", "I12 Switch", "I12" },
 959         { "O16", "I13 Switch", "I13" },
 960         { "O17", "I14 Switch", "I14" },
 961         { "O18", "I15 Switch", "I15" },
 962         { "O19", "I16 Switch", "I16" },
 963         { "O20", "I17 Switch", "I17" },
 964         { "O21", "I18 Switch", "I18" },
 965         { "O22", "I19 Switch", "I19" },
 966         { "O31", "I35 Switch", "I35" },
 967 };
 968 
 969 static int mt2701_afe_pcm_probe(struct snd_soc_component *component)
 970 {
 971         struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 972 
 973         snd_soc_component_init_regmap(component, afe->regmap);
 974 
 975         return 0;
 976 }
 977 
 978 static const struct snd_soc_component_driver mt2701_afe_pcm_dai_component = {
 979         .probe = mt2701_afe_pcm_probe,
 980         .name = "mt2701-afe-pcm-dai",
 981         .dapm_widgets = mt2701_afe_pcm_widgets,
 982         .num_dapm_widgets = ARRAY_SIZE(mt2701_afe_pcm_widgets),
 983         .dapm_routes = mt2701_afe_pcm_routes,
 984         .num_dapm_routes = ARRAY_SIZE(mt2701_afe_pcm_routes),
 985 };
 986 
 987 static const struct mtk_base_memif_data memif_data[MT2701_MEMIF_NUM] = {
 988         {
 989                 .name = "DL1",
 990                 .id = MT2701_MEMIF_DL1,
 991                 .reg_ofs_base = AFE_DL1_BASE,
 992                 .reg_ofs_cur = AFE_DL1_CUR,
 993                 .fs_reg = AFE_DAC_CON1,
 994                 .fs_shift = 0,
 995                 .fs_maskbit = 0x1f,
 996                 .mono_reg = AFE_DAC_CON3,
 997                 .mono_shift = 16,
 998                 .enable_reg = AFE_DAC_CON0,
 999                 .enable_shift = 1,
1000                 .hd_reg = AFE_MEMIF_HD_CON0,
1001                 .hd_shift = 0,
1002                 .agent_disable_reg = AUDIO_TOP_CON5,
1003                 .agent_disable_shift = 6,
1004                 .msb_reg = -1,
1005         },
1006         {
1007                 .name = "DL2",
1008                 .id = MT2701_MEMIF_DL2,
1009                 .reg_ofs_base = AFE_DL2_BASE,
1010                 .reg_ofs_cur = AFE_DL2_CUR,
1011                 .fs_reg = AFE_DAC_CON1,
1012                 .fs_shift = 5,
1013                 .fs_maskbit = 0x1f,
1014                 .mono_reg = AFE_DAC_CON3,
1015                 .mono_shift = 17,
1016                 .enable_reg = AFE_DAC_CON0,
1017                 .enable_shift = 2,
1018                 .hd_reg = AFE_MEMIF_HD_CON0,
1019                 .hd_shift = 2,
1020                 .agent_disable_reg = AUDIO_TOP_CON5,
1021                 .agent_disable_shift = 7,
1022                 .msb_reg = -1,
1023         },
1024         {
1025                 .name = "DL3",
1026                 .id = MT2701_MEMIF_DL3,
1027                 .reg_ofs_base = AFE_DL3_BASE,
1028                 .reg_ofs_cur = AFE_DL3_CUR,
1029                 .fs_reg = AFE_DAC_CON1,
1030                 .fs_shift = 10,
1031                 .fs_maskbit = 0x1f,
1032                 .mono_reg = AFE_DAC_CON3,
1033                 .mono_shift = 18,
1034                 .enable_reg = AFE_DAC_CON0,
1035                 .enable_shift = 3,
1036                 .hd_reg = AFE_MEMIF_HD_CON0,
1037                 .hd_shift = 4,
1038                 .agent_disable_reg = AUDIO_TOP_CON5,
1039                 .agent_disable_shift = 8,
1040                 .msb_reg = -1,
1041         },
1042         {
1043                 .name = "DL4",
1044                 .id = MT2701_MEMIF_DL4,
1045                 .reg_ofs_base = AFE_DL4_BASE,
1046                 .reg_ofs_cur = AFE_DL4_CUR,
1047                 .fs_reg = AFE_DAC_CON1,
1048                 .fs_shift = 15,
1049                 .fs_maskbit = 0x1f,
1050                 .mono_reg = AFE_DAC_CON3,
1051                 .mono_shift = 19,
1052                 .enable_reg = AFE_DAC_CON0,
1053                 .enable_shift = 4,
1054                 .hd_reg = AFE_MEMIF_HD_CON0,
1055                 .hd_shift = 6,
1056                 .agent_disable_reg = AUDIO_TOP_CON5,
1057                 .agent_disable_shift = 9,
1058                 .msb_reg = -1,
1059         },
1060         {
1061                 .name = "DL5",
1062                 .id = MT2701_MEMIF_DL5,
1063                 .reg_ofs_base = AFE_DL5_BASE,
1064                 .reg_ofs_cur = AFE_DL5_CUR,
1065                 .fs_reg = AFE_DAC_CON1,
1066                 .fs_shift = 20,
1067                 .fs_maskbit = 0x1f,
1068                 .mono_reg = AFE_DAC_CON3,
1069                 .mono_shift = 20,
1070                 .enable_reg = AFE_DAC_CON0,
1071                 .enable_shift = 5,
1072                 .hd_reg = AFE_MEMIF_HD_CON0,
1073                 .hd_shift = 8,
1074                 .agent_disable_reg = AUDIO_TOP_CON5,
1075                 .agent_disable_shift = 10,
1076                 .msb_reg = -1,
1077         },
1078         {
1079                 .name = "DLM",
1080                 .id = MT2701_MEMIF_DLM,
1081                 .reg_ofs_base = AFE_DLMCH_BASE,
1082                 .reg_ofs_cur = AFE_DLMCH_CUR,
1083                 .fs_reg = AFE_DAC_CON1,
1084                 .fs_shift = 0,
1085                 .fs_maskbit = 0x1f,
1086                 .mono_reg = -1,
1087                 .mono_shift = -1,
1088                 .enable_reg = AFE_DAC_CON0,
1089                 .enable_shift = 7,
1090                 .hd_reg = AFE_MEMIF_PBUF_SIZE,
1091                 .hd_shift = 28,
1092                 .agent_disable_reg = AUDIO_TOP_CON5,
1093                 .agent_disable_shift = 12,
1094                 .msb_reg = -1,
1095         },
1096         {
1097                 .name = "UL1",
1098                 .id = MT2701_MEMIF_UL1,
1099                 .reg_ofs_base = AFE_VUL_BASE,
1100                 .reg_ofs_cur = AFE_VUL_CUR,
1101                 .fs_reg = AFE_DAC_CON2,
1102                 .fs_shift = 0,
1103                 .fs_maskbit = 0x1f,
1104                 .mono_reg = AFE_DAC_CON4,
1105                 .mono_shift = 0,
1106                 .enable_reg = AFE_DAC_CON0,
1107                 .enable_shift = 10,
1108                 .hd_reg = AFE_MEMIF_HD_CON1,
1109                 .hd_shift = 0,
1110                 .agent_disable_reg = AUDIO_TOP_CON5,
1111                 .agent_disable_shift = 0,
1112                 .msb_reg = -1,
1113         },
1114         {
1115                 .name = "UL2",
1116                 .id = MT2701_MEMIF_UL2,
1117                 .reg_ofs_base = AFE_UL2_BASE,
1118                 .reg_ofs_cur = AFE_UL2_CUR,
1119                 .fs_reg = AFE_DAC_CON2,
1120                 .fs_shift = 5,
1121                 .fs_maskbit = 0x1f,
1122                 .mono_reg = AFE_DAC_CON4,
1123                 .mono_shift = 2,
1124                 .enable_reg = AFE_DAC_CON0,
1125                 .enable_shift = 11,
1126                 .hd_reg = AFE_MEMIF_HD_CON1,
1127                 .hd_shift = 2,
1128                 .agent_disable_reg = AUDIO_TOP_CON5,
1129                 .agent_disable_shift = 1,
1130                 .msb_reg = -1,
1131         },
1132         {
1133                 .name = "UL3",
1134                 .id = MT2701_MEMIF_UL3,
1135                 .reg_ofs_base = AFE_UL3_BASE,
1136                 .reg_ofs_cur = AFE_UL3_CUR,
1137                 .fs_reg = AFE_DAC_CON2,
1138                 .fs_shift = 10,
1139                 .fs_maskbit = 0x1f,
1140                 .mono_reg = AFE_DAC_CON4,
1141                 .mono_shift = 4,
1142                 .enable_reg = AFE_DAC_CON0,
1143                 .enable_shift = 12,
1144                 .hd_reg = AFE_MEMIF_HD_CON0,
1145                 .hd_shift = 0,
1146                 .agent_disable_reg = AUDIO_TOP_CON5,
1147                 .agent_disable_shift = 2,
1148                 .msb_reg = -1,
1149         },
1150         {
1151                 .name = "UL4",
1152                 .id = MT2701_MEMIF_UL4,
1153                 .reg_ofs_base = AFE_UL4_BASE,
1154                 .reg_ofs_cur = AFE_UL4_CUR,
1155                 .fs_reg = AFE_DAC_CON2,
1156                 .fs_shift = 15,
1157                 .fs_maskbit = 0x1f,
1158                 .mono_reg = AFE_DAC_CON4,
1159                 .mono_shift = 6,
1160                 .enable_reg = AFE_DAC_CON0,
1161                 .enable_shift = 13,
1162                 .hd_reg = AFE_MEMIF_HD_CON0,
1163                 .hd_shift = 6,
1164                 .agent_disable_reg = AUDIO_TOP_CON5,
1165                 .agent_disable_shift = 3,
1166                 .msb_reg = -1,
1167         },
1168         {
1169                 .name = "UL5",
1170                 .id = MT2701_MEMIF_UL5,
1171                 .reg_ofs_base = AFE_UL5_BASE,
1172                 .reg_ofs_cur = AFE_UL5_CUR,
1173                 .fs_reg = AFE_DAC_CON2,
1174                 .fs_shift = 20,
1175                 .mono_reg = AFE_DAC_CON4,
1176                 .mono_shift = 8,
1177                 .fs_maskbit = 0x1f,
1178                 .enable_reg = AFE_DAC_CON0,
1179                 .enable_shift = 14,
1180                 .hd_reg = AFE_MEMIF_HD_CON0,
1181                 .hd_shift = 8,
1182                 .agent_disable_reg = AUDIO_TOP_CON5,
1183                 .agent_disable_shift = 4,
1184                 .msb_reg = -1,
1185         },
1186         {
1187                 .name = "DLBT",
1188                 .id = MT2701_MEMIF_DLBT,
1189                 .reg_ofs_base = AFE_ARB1_BASE,
1190                 .reg_ofs_cur = AFE_ARB1_CUR,
1191                 .fs_reg = AFE_DAC_CON3,
1192                 .fs_shift = 10,
1193                 .fs_maskbit = 0x1f,
1194                 .mono_reg = AFE_DAC_CON3,
1195                 .mono_shift = 22,
1196                 .enable_reg = AFE_DAC_CON0,
1197                 .enable_shift = 8,
1198                 .hd_reg = AFE_MEMIF_HD_CON0,
1199                 .hd_shift = 14,
1200                 .agent_disable_reg = AUDIO_TOP_CON5,
1201                 .agent_disable_shift = 13,
1202                 .msb_reg = -1,
1203         },
1204         {
1205                 .name = "ULBT",
1206                 .id = MT2701_MEMIF_ULBT,
1207                 .reg_ofs_base = AFE_DAI_BASE,
1208                 .reg_ofs_cur = AFE_DAI_CUR,
1209                 .fs_reg = AFE_DAC_CON2,
1210                 .fs_shift = 30,
1211                 .fs_maskbit = 0x1,
1212                 .mono_reg = -1,
1213                 .mono_shift = -1,
1214                 .enable_reg = AFE_DAC_CON0,
1215                 .enable_shift = 17,
1216                 .hd_reg = AFE_MEMIF_HD_CON1,
1217                 .hd_shift = 20,
1218                 .agent_disable_reg = AUDIO_TOP_CON5,
1219                 .agent_disable_shift = 16,
1220                 .msb_reg = -1,
1221         },
1222 };
1223 
1224 static const struct mtk_base_irq_data irq_data[MT2701_IRQ_ASYS_END] = {
1225         {
1226                 .id = MT2701_IRQ_ASYS_IRQ1,
1227                 .irq_cnt_reg = ASYS_IRQ1_CON,
1228                 .irq_cnt_shift = 0,
1229                 .irq_cnt_maskbit = 0xffffff,
1230                 .irq_fs_reg = ASYS_IRQ1_CON,
1231                 .irq_fs_shift = 24,
1232                 .irq_fs_maskbit = 0x1f,
1233                 .irq_en_reg = ASYS_IRQ1_CON,
1234                 .irq_en_shift = 31,
1235                 .irq_clr_reg = ASYS_IRQ_CLR,
1236                 .irq_clr_shift = 0,
1237         },
1238         {
1239                 .id = MT2701_IRQ_ASYS_IRQ2,
1240                 .irq_cnt_reg = ASYS_IRQ2_CON,
1241                 .irq_cnt_shift = 0,
1242                 .irq_cnt_maskbit = 0xffffff,
1243                 .irq_fs_reg = ASYS_IRQ2_CON,
1244                 .irq_fs_shift = 24,
1245                 .irq_fs_maskbit = 0x1f,
1246                 .irq_en_reg = ASYS_IRQ2_CON,
1247                 .irq_en_shift = 31,
1248                 .irq_clr_reg = ASYS_IRQ_CLR,
1249                 .irq_clr_shift = 1,
1250         },
1251         {
1252                 .id = MT2701_IRQ_ASYS_IRQ3,
1253                 .irq_cnt_reg = ASYS_IRQ3_CON,
1254                 .irq_cnt_shift = 0,
1255                 .irq_cnt_maskbit = 0xffffff,
1256                 .irq_fs_reg = ASYS_IRQ3_CON,
1257                 .irq_fs_shift = 24,
1258                 .irq_fs_maskbit = 0x1f,
1259                 .irq_en_reg = ASYS_IRQ3_CON,
1260                 .irq_en_shift = 31,
1261                 .irq_clr_reg = ASYS_IRQ_CLR,
1262                 .irq_clr_shift = 2,
1263         }
1264 };
1265 
1266 static const struct mt2701_i2s_data mt2701_i2s_data[][2] = {
1267         {
1268                 { ASYS_I2SO1_CON, 0, 0x1f },
1269                 { ASYS_I2SIN1_CON, 0, 0x1f },
1270         },
1271         {
1272                 { ASYS_I2SO2_CON, 5, 0x1f },
1273                 { ASYS_I2SIN2_CON, 5, 0x1f },
1274         },
1275         {
1276                 { ASYS_I2SO3_CON, 10, 0x1f },
1277                 { ASYS_I2SIN3_CON, 10, 0x1f },
1278         },
1279         {
1280                 { ASYS_I2SO4_CON, 15, 0x1f },
1281                 { ASYS_I2SIN4_CON, 15, 0x1f },
1282         },
1283         /* TODO - extend control registers supported by newer SoCs */
1284 };
1285 
1286 static irqreturn_t mt2701_asys_isr(int irq_id, void *dev)
1287 {
1288         int id;
1289         struct mtk_base_afe *afe = dev;
1290         struct mtk_base_afe_memif *memif;
1291         struct mtk_base_afe_irq *irq;
1292         u32 status;
1293 
1294         regmap_read(afe->regmap, ASYS_IRQ_STATUS, &status);
1295         regmap_write(afe->regmap, ASYS_IRQ_CLR, status);
1296 
1297         for (id = 0; id < MT2701_MEMIF_NUM; ++id) {
1298                 memif = &afe->memif[id];
1299                 if (memif->irq_usage < 0)
1300                         continue;
1301 
1302                 irq = &afe->irqs[memif->irq_usage];
1303                 if (status & 1 << irq->irq_data->irq_clr_shift)
1304                         snd_pcm_period_elapsed(memif->substream);
1305         }
1306 
1307         return IRQ_HANDLED;
1308 }
1309 
1310 static int mt2701_afe_runtime_suspend(struct device *dev)
1311 {
1312         struct mtk_base_afe *afe = dev_get_drvdata(dev);
1313 
1314         return mt2701_afe_disable_clock(afe);
1315 }
1316 
1317 static int mt2701_afe_runtime_resume(struct device *dev)
1318 {
1319         struct mtk_base_afe *afe = dev_get_drvdata(dev);
1320 
1321         return mt2701_afe_enable_clock(afe);
1322 }
1323 
1324 static int mt2701_afe_pcm_dev_probe(struct platform_device *pdev)
1325 {
1326         struct mtk_base_afe *afe;
1327         struct mt2701_afe_private *afe_priv;
1328         struct device *dev;
1329         int i, irq_id, ret;
1330 
1331         afe = devm_kzalloc(&pdev->dev, sizeof(*afe), GFP_KERNEL);
1332         if (!afe)
1333                 return -ENOMEM;
1334 
1335         afe->platform_priv = devm_kzalloc(&pdev->dev, sizeof(*afe_priv),
1336                                           GFP_KERNEL);
1337         if (!afe->platform_priv)
1338                 return -ENOMEM;
1339 
1340         afe_priv = afe->platform_priv;
1341         afe_priv->soc = of_device_get_match_data(&pdev->dev);
1342         afe->dev = &pdev->dev;
1343         dev = afe->dev;
1344 
1345         afe_priv->i2s_path = devm_kcalloc(dev,
1346                                           afe_priv->soc->i2s_num,
1347                                           sizeof(struct mt2701_i2s_path),
1348                                           GFP_KERNEL);
1349         if (!afe_priv->i2s_path)
1350                 return -ENOMEM;
1351 
1352         irq_id = platform_get_irq_byname(pdev, "asys");
1353         if (irq_id < 0)
1354                 return irq_id;
1355 
1356         ret = devm_request_irq(dev, irq_id, mt2701_asys_isr,
1357                                IRQF_TRIGGER_NONE, "asys-isr", (void *)afe);
1358         if (ret) {
1359                 dev_err(dev, "could not request_irq for asys-isr\n");
1360                 return ret;
1361         }
1362 
1363         afe->regmap = syscon_node_to_regmap(dev->parent->of_node);
1364         if (IS_ERR(afe->regmap)) {
1365                 dev_err(dev, "could not get regmap from parent\n");
1366                 return PTR_ERR(afe->regmap);
1367         }
1368 
1369         mutex_init(&afe->irq_alloc_lock);
1370 
1371         /* memif initialize */
1372         afe->memif_size = MT2701_MEMIF_NUM;
1373         afe->memif = devm_kcalloc(dev, afe->memif_size, sizeof(*afe->memif),
1374                                   GFP_KERNEL);
1375         if (!afe->memif)
1376                 return -ENOMEM;
1377 
1378         for (i = 0; i < afe->memif_size; i++) {
1379                 afe->memif[i].data = &memif_data[i];
1380                 afe->memif[i].irq_usage = -1;
1381         }
1382 
1383         /* irq initialize */
1384         afe->irqs_size = MT2701_IRQ_ASYS_END;
1385         afe->irqs = devm_kcalloc(dev, afe->irqs_size, sizeof(*afe->irqs),
1386                                  GFP_KERNEL);
1387         if (!afe->irqs)
1388                 return -ENOMEM;
1389 
1390         for (i = 0; i < afe->irqs_size; i++)
1391                 afe->irqs[i].irq_data = &irq_data[i];
1392 
1393         /* I2S initialize */
1394         for (i = 0; i < afe_priv->soc->i2s_num; i++) {
1395                 afe_priv->i2s_path[i].i2s_data[SNDRV_PCM_STREAM_PLAYBACK] =
1396                         &mt2701_i2s_data[i][SNDRV_PCM_STREAM_PLAYBACK];
1397                 afe_priv->i2s_path[i].i2s_data[SNDRV_PCM_STREAM_CAPTURE] =
1398                         &mt2701_i2s_data[i][SNDRV_PCM_STREAM_CAPTURE];
1399         }
1400 
1401         afe->mtk_afe_hardware = &mt2701_afe_hardware;
1402         afe->memif_fs = mt2701_memif_fs;
1403         afe->irq_fs = mt2701_irq_fs;
1404         afe->reg_back_up_list = mt2701_afe_backup_list;
1405         afe->reg_back_up_list_num = ARRAY_SIZE(mt2701_afe_backup_list);
1406         afe->runtime_resume = mt2701_afe_runtime_resume;
1407         afe->runtime_suspend = mt2701_afe_runtime_suspend;
1408 
1409         /* initial audio related clock */
1410         ret = mt2701_init_clock(afe);
1411         if (ret) {
1412                 dev_err(dev, "init clock error\n");
1413                 return ret;
1414         }
1415 
1416         platform_set_drvdata(pdev, afe);
1417 
1418         pm_runtime_enable(dev);
1419         if (!pm_runtime_enabled(dev)) {
1420                 ret = mt2701_afe_runtime_resume(dev);
1421                 if (ret)
1422                         goto err_pm_disable;
1423         }
1424         pm_runtime_get_sync(dev);
1425 
1426         ret = devm_snd_soc_register_component(&pdev->dev, &mtk_afe_pcm_platform,
1427                                               NULL, 0);
1428         if (ret) {
1429                 dev_warn(dev, "err_platform\n");
1430                 goto err_platform;
1431         }
1432 
1433         ret = devm_snd_soc_register_component(&pdev->dev,
1434                                          &mt2701_afe_pcm_dai_component,
1435                                          mt2701_afe_pcm_dais,
1436                                          ARRAY_SIZE(mt2701_afe_pcm_dais));
1437         if (ret) {
1438                 dev_warn(dev, "err_dai_component\n");
1439                 goto err_platform;
1440         }
1441 
1442         return 0;
1443 
1444 err_platform:
1445         pm_runtime_put_sync(dev);
1446 err_pm_disable:
1447         pm_runtime_disable(dev);
1448 
1449         return ret;
1450 }
1451 
1452 static int mt2701_afe_pcm_dev_remove(struct platform_device *pdev)
1453 {
1454         pm_runtime_put_sync(&pdev->dev);
1455         pm_runtime_disable(&pdev->dev);
1456         if (!pm_runtime_status_suspended(&pdev->dev))
1457                 mt2701_afe_runtime_suspend(&pdev->dev);
1458 
1459         return 0;
1460 }
1461 
1462 static const struct mt2701_soc_variants mt2701_soc_v1 = {
1463         .i2s_num = 4,
1464 };
1465 
1466 static const struct mt2701_soc_variants mt2701_soc_v2 = {
1467         .has_one_heart_mode = true,
1468         .i2s_num = 4,
1469 };
1470 
1471 static const struct of_device_id mt2701_afe_pcm_dt_match[] = {
1472         { .compatible = "mediatek,mt2701-audio", .data = &mt2701_soc_v1 },
1473         { .compatible = "mediatek,mt7622-audio", .data = &mt2701_soc_v2 },
1474         {},
1475 };
1476 MODULE_DEVICE_TABLE(of, mt2701_afe_pcm_dt_match);
1477 
1478 static const struct dev_pm_ops mt2701_afe_pm_ops = {
1479         SET_RUNTIME_PM_OPS(mt2701_afe_runtime_suspend,
1480                            mt2701_afe_runtime_resume, NULL)
1481 };
1482 
1483 static struct platform_driver mt2701_afe_pcm_driver = {
1484         .driver = {
1485                    .name = "mt2701-audio",
1486                    .of_match_table = mt2701_afe_pcm_dt_match,
1487 #ifdef CONFIG_PM
1488                    .pm = &mt2701_afe_pm_ops,
1489 #endif
1490         },
1491         .probe = mt2701_afe_pcm_dev_probe,
1492         .remove = mt2701_afe_pcm_dev_remove,
1493 };
1494 
1495 module_platform_driver(mt2701_afe_pcm_driver);
1496 
1497 MODULE_DESCRIPTION("Mediatek ALSA SoC AFE platform driver for 2701");
1498 MODULE_AUTHOR("Garlic Tseng <garlic.tseng@mediatek.com>");
1499 MODULE_LICENSE("GPL v2");

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