sound/soc/rockchip/rk3399_gru_sound.c

   1 /*
   2  * Rockchip machine ASoC driver for boards using MAX98357A/RT5514/DA7219
   3  *
   4  * Copyright (c) 2016, ROCKCHIP CORPORATION.  All rights reserved.
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms and conditions of the GNU General Public License,
   8  * version 2, as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13  * more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #include <linux/module.h>
  20 #include <linux/platform_device.h>
  21 #include <linux/slab.h>
  22 #include <linux/gpio.h>
  23 #include <linux/of_gpio.h>
  24 #include <linux/delay.h>
  25 #include <linux/spi/spi.h>
  26 #include <linux/input.h>
  27 #include <sound/core.h>
  28 #include <sound/jack.h>
  29 #include <sound/pcm.h>
  30 #include <sound/pcm_params.h>
  31 #include <sound/soc.h>
  32 #include "rockchip_i2s.h"
  33 #include "../codecs/da7219.h"
  34 #include "../codecs/da7219-aad.h"
  35 #include "../codecs/rt5514.h"
  36
  37 #define DRV_NAME "rk3399-gru-sound"
  38
  39 #define SOUND_FS        256
  40
  41 unsigned int rt5514_dmic_delay;
  42
  43 static struct snd_soc_jack rockchip_sound_jack;
  44
  45 static const struct snd_soc_dapm_widget rockchip_dapm_widgets[] = {
  46         SND_SOC_DAPM_HP("Headphones", NULL),
  47         SND_SOC_DAPM_SPK("Speakers", NULL),
  48         SND_SOC_DAPM_MIC("Headset Mic", NULL),
  49         SND_SOC_DAPM_MIC("Int Mic", NULL),
  50 };
  51
  52 static const struct snd_soc_dapm_route rockchip_dapm_routes[] = {
  53         /* Input Lines */
  54         {"MIC", NULL, "Headset Mic"},
  55         {"DMIC1L", NULL, "Int Mic"},
  56         {"DMIC1R", NULL, "Int Mic"},
  57
  58         /* Output Lines */
  59         {"Headphones", NULL, "HPL"},
  60         {"Headphones", NULL, "HPR"},
  61         {"Speakers", NULL, "Speaker"},
  62 };
  63
  64 static const struct snd_kcontrol_new rockchip_controls[] = {
  65         SOC_DAPM_PIN_SWITCH("Headphones"),
  66         SOC_DAPM_PIN_SWITCH("Speakers"),
  67         SOC_DAPM_PIN_SWITCH("Headset Mic"),
  68         SOC_DAPM_PIN_SWITCH("Int Mic"),
  69 };
  70
  71 static int rockchip_sound_max98357a_hw_params(struct snd_pcm_substream *substream,
  72                              struct snd_pcm_hw_params *params)
  73 {
  74         struct snd_soc_pcm_runtime *rtd = substream->private_data;
  75         unsigned int mclk;
  76         int ret;
  77
  78         /* max98357a supports these sample rates */
  79         switch (params_rate(params)) {
  80         case 8000:
  81         case 16000:
  82         case 48000:
  83         case 96000:
  84                 mclk = params_rate(params) * SOUND_FS;
  85                 break;
  86         default:
  87                 dev_err(rtd->card->dev, "%s() doesn't support this sample rate: %d\n",
  88                                 __func__, params_rate(params));
  89                 return -EINVAL;
  90         }
  91
  92         ret = snd_soc_dai_set_sysclk(rtd->cpu_dai, 0, mclk, 0);
  93         if (ret) {
  94                 dev_err(rtd->card->dev, "%s() error setting sysclk to %u: %d\n",
  95                                 __func__, mclk, ret);
  96                 return ret;
  97         }
  98
  99         return 0;
 100 }
 101
 102 static int rockchip_sound_rt5514_hw_params(struct snd_pcm_substream *substream,
 103                              struct snd_pcm_hw_params *params)
 104 {
 105         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 106         struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
 107         struct snd_soc_dai *codec_dai = rtd->codec_dai;
 108         unsigned int mclk;
 109         int ret;
 110
 111         mclk = params_rate(params) * SOUND_FS;
 112
 113         ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
 114                                      SND_SOC_CLOCK_OUT);
 115         if (ret < 0) {
 116                 dev_err(rtd->card->dev, "Can't set cpu clock out %d\n", ret);
 117                 return ret;
 118         }
 119
 120         ret = snd_soc_dai_set_sysclk(codec_dai, RT5514_SCLK_S_MCLK,
 121                                      mclk, SND_SOC_CLOCK_IN);
 122         if (ret) {
 123                 dev_err(rtd->card->dev, "%s() error setting sysclk to %u: %d\n",
 124                                 __func__, params_rate(params) * 512, ret);
 125                 return ret;
 126         }
 127
 128         /* Wait for DMIC stable */
 129         msleep(rt5514_dmic_delay);
 130
 131         return 0;
 132 }
 133
 134 static int rockchip_sound_da7219_hw_params(struct snd_pcm_substream *substream,
 135                              struct snd_pcm_hw_params *params)
 136 {
 137         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 138         struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
 139         struct snd_soc_dai *codec_dai = rtd->codec_dai;
 140         int mclk, ret;
 141
 142         /* in bypass mode, the mclk has to be one of the frequencies below */
 143         switch (params_rate(params)) {
 144         case 8000:
 145         case 16000:
 146         case 24000:
 147         case 32000:
 148         case 48000:
 149         case 64000:
 150         case 96000:
 151                 mclk = 12288000;
 152                 break;
 153         case 11025:
 154         case 22050:
 155         case 44100:
 156         case 88200:
 157                 mclk = 11289600;
 158                 break;
 159         default:
 160                 return -EINVAL;
 161         }
 162
 163         ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
 164                                      SND_SOC_CLOCK_OUT);
 165         if (ret < 0) {
 166                 dev_err(codec_dai->dev, "Can't set cpu clock out %d\n", ret);
 167                 return ret;
 168         }
 169
 170         ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
 171                                      SND_SOC_CLOCK_IN);
 172         if (ret < 0) {
 173                 dev_err(codec_dai->dev, "Can't set codec clock in %d\n", ret);
 174                 return ret;
 175         }
 176
 177         ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_MCLK, 0, 0);
 178         if (ret < 0) {
 179                 dev_err(codec_dai->dev, "Can't set pll sysclk mclk %d\n", ret);
 180                 return ret;
 181         }
 182
 183         return 0;
 184 }
 185
 186 static int rockchip_sound_da7219_init(struct snd_soc_pcm_runtime *rtd)
 187 {
 188         struct snd_soc_codec *codec = rtd->codec_dais[0]->codec;
 189         struct snd_soc_dai *codec_dai = rtd->codec_dai;
 190         int ret;
 191
 192         /* We need default MCLK and PLL settings for the accessory detection */
 193         ret = snd_soc_dai_set_sysclk(codec_dai, 0, 12288000,
 194                                      SND_SOC_CLOCK_IN);
 195         if (ret < 0) {
 196                 dev_err(codec_dai->dev, "Init can't set codec clock in %d\n", ret);
 197                 return ret;
 198         }
 199
 200         ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_MCLK, 0, 0);
 201         if (ret < 0) {
 202                 dev_err(codec_dai->dev, "Init can't set pll sysclk mclk %d\n", ret);
 203                 return ret;
 204         }
 205
 206         /* Enable Headset and 4 Buttons Jack detection */
 207         ret = snd_soc_card_jack_new(rtd->card, "Headset Jack",
 208                                     SND_JACK_HEADSET | SND_JACK_LINEOUT |
 209                                     SND_JACK_BTN_0 | SND_JACK_BTN_1 |
 210                                     SND_JACK_BTN_2 | SND_JACK_BTN_3,
 211                                     &rockchip_sound_jack, NULL, 0);
 212
 213         if (ret) {
 214                 dev_err(rtd->card->dev, "New Headset Jack failed! (%d)\n", ret);
 215                 return ret;
 216         }
 217
 218         snd_jack_set_key(rockchip_sound_jack.jack, SND_JACK_BTN_0, KEY_MEDIA);
 219         snd_jack_set_key(
 220                 rockchip_sound_jack.jack, SND_JACK_BTN_1, KEY_VOLUMEUP);
 221         snd_jack_set_key(
 222                 rockchip_sound_jack.jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN);
 223         snd_jack_set_key(
 224                 rockchip_sound_jack.jack, SND_JACK_BTN_3, KEY_VOICECOMMAND);
 225
 226         da7219_aad_jack_det(codec, &rockchip_sound_jack);
 227
 228         return 0;
 229 }
 230
 231 static struct snd_soc_ops rockchip_sound_max98357a_ops = {
 232         .hw_params = rockchip_sound_max98357a_hw_params,
 233 };
 234
 235 static struct snd_soc_ops rockchip_sound_rt5514_ops = {
 236         .hw_params = rockchip_sound_rt5514_hw_params,
 237 };
 238
 239 static struct snd_soc_ops rockchip_sound_da7219_ops = {
 240         .hw_params = rockchip_sound_da7219_hw_params,
 241 };
 242
 243 enum {
 244         DAILINK_MAX98357A,
 245         DAILINK_RT5514,
 246         DAILINK_DA7219,
 247         DAILINK_RT5514_DSP,
 248 };
 249
 250 #define DAILINK_ENTITIES        (DAILINK_DA7219 + 1)
 251
 252 static struct snd_soc_dai_link rockchip_dailinks[] = {
 253         [DAILINK_MAX98357A] = {
 254                 .name = "MAX98357A",
 255                 .stream_name = "MAX98357A PCM",
 256                 .codec_dai_name = "HiFi",
 257                 .ops = &rockchip_sound_max98357a_ops,
 258                 /* set max98357a as slave */
 259                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 260                         SND_SOC_DAIFMT_CBS_CFS,
 261         },
 262         [DAILINK_RT5514] = {
 263                 .name = "RT5514",
 264                 .stream_name = "RT5514 PCM",
 265                 .codec_dai_name = "rt5514-aif1",
 266                 .ops = &rockchip_sound_rt5514_ops,
 267                 /* set rt5514 as slave */
 268                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 269                         SND_SOC_DAIFMT_CBS_CFS,
 270         },
 271         [DAILINK_DA7219] = {
 272                 .name = "DA7219",
 273                 .stream_name = "DA7219 PCM",
 274                 .codec_dai_name = "da7219-hifi",
 275                 .init = rockchip_sound_da7219_init,
 276                 .ops = &rockchip_sound_da7219_ops,
 277                 /* set da7219 as slave */
 278                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 279                         SND_SOC_DAIFMT_CBS_CFS,
 280         },
 281         /* RT5514 DSP for voice wakeup via spi bus */
 282         [DAILINK_RT5514_DSP] = {
 283                 .name = "RT5514 DSP",
 284                 .stream_name = "Wake on Voice",
 285                 .codec_name = "snd-soc-dummy",
 286                 .codec_dai_name = "snd-soc-dummy-dai",
 287         },
 288 };
 289
 290 static struct snd_soc_card rockchip_sound_card = {
 291         .name = "rk3399-gru-sound",
 292         .owner = THIS_MODULE,
 293         .dai_link = rockchip_dailinks,
 294         .num_links =  ARRAY_SIZE(rockchip_dailinks),
 295         .dapm_widgets = rockchip_dapm_widgets,
 296         .num_dapm_widgets = ARRAY_SIZE(rockchip_dapm_widgets),
 297         .dapm_routes = rockchip_dapm_routes,
 298         .num_dapm_routes = ARRAY_SIZE(rockchip_dapm_routes),
 299         .controls = rockchip_controls,
 300         .num_controls = ARRAY_SIZE(rockchip_controls),
 301 };
 302
 303 static int rockchip_sound_match_stub(struct device *dev, void *data)
 304 {
 305         return 1;
 306 }
 307
 308 static int rockchip_sound_probe(struct platform_device *pdev)
 309 {
 310         struct snd_soc_card *card = &rockchip_sound_card;
 311         struct device_node *cpu_node;
 312         struct device *dev;
 313         struct device_driver *drv;
 314         int i, ret;
 315
 316         cpu_node = of_parse_phandle(pdev->dev.of_node, "rockchip,cpu", 0);
 317         if (!cpu_node) {
 318                 dev_err(&pdev->dev, "Property 'rockchip,cpu' missing or invalid\n");
 319                 return -EINVAL;
 320         }
 321
 322         for (i = 0; i < DAILINK_ENTITIES; i++) {
 323                 rockchip_dailinks[i].platform_of_node = cpu_node;
 324                 rockchip_dailinks[i].cpu_of_node = cpu_node;
 325
 326                 rockchip_dailinks[i].codec_of_node =
 327                         of_parse_phandle(pdev->dev.of_node, "rockchip,codec", i);
 328                 if (!rockchip_dailinks[i].codec_of_node) {
 329                         dev_err(&pdev->dev,
 330                                 "Property[%d] 'rockchip,codec' missing or invalid\n", i);
 331                         return -EINVAL;
 332                 }
 333         }
 334
 335         /**
 336          * To acquire the spi driver of the rt5514 and set the dai-links names
 337          * for soc_bind_dai_link
 338          */
 339         drv = driver_find("rt5514", &spi_bus_type);
 340         if (!drv) {
 341                 dev_err(&pdev->dev, "Can not find the rt5514 driver at the spi bus\n");
 342                 return -EINVAL;
 343         }
 344
 345         dev = driver_find_device(drv, NULL, NULL, rockchip_sound_match_stub);
 346         if (!dev) {
 347                 dev_err(&pdev->dev, "Can not find the rt5514 device\n");
 348                 return -ENODEV;
 349         }
 350
 351         /* Set DMIC delay */
 352         ret = device_property_read_u32(&pdev->dev, "dmic-delay",
 353                                         &rt5514_dmic_delay);
 354         if (ret) {
 355                 rt5514_dmic_delay = 0;
 356                 dev_dbg(&pdev->dev,
 357                         "no optional property 'dmic-delay' found, default: no delay\n");
 358         }
 359
 360         rockchip_dailinks[DAILINK_RT5514_DSP].cpu_name = kstrdup_const(dev_name(dev), GFP_KERNEL);
 361         rockchip_dailinks[DAILINK_RT5514_DSP].cpu_dai_name = kstrdup_const(dev_name(dev), GFP_KERNEL);
 362         rockchip_dailinks[DAILINK_RT5514_DSP].platform_name = kstrdup_const(dev_name(dev), GFP_KERNEL);
 363
 364         card->dev = &pdev->dev;
 365         platform_set_drvdata(pdev, card);
 366
 367         ret = devm_snd_soc_register_card(&pdev->dev, card);
 368         if (ret)
 369                 dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
 370                         __func__, ret);
 371
 372         return ret;
 373 }
 374
 375 static const struct of_device_id rockchip_sound_of_match[] = {
 376         { .compatible = "rockchip,rk3399-gru-sound", },
 377         {},
 378 };
 379
 380 static struct platform_driver rockchip_sound_driver = {
 381         .probe = rockchip_sound_probe,
 382         .driver = {
 383                 .name = DRV_NAME,
 384                 .of_match_table = rockchip_sound_of_match,
 385 #ifdef CONFIG_PM
 386                 .pm = &snd_soc_pm_ops,
 387 #endif
 388         },
 389 };
 390
 391 module_platform_driver(rockchip_sound_driver);
 392
 393 MODULE_AUTHOR("Xing Zheng <zhengxing@rock-chips.com>");
 394 MODULE_DESCRIPTION("Rockchip ASoC Machine Driver");
 395 MODULE_LICENSE("GPL v2");
 396 MODULE_ALIAS("platform:" DRV_NAME);
 397 MODULE_DEVICE_TABLE(of, rockchip_sound_of_match);