sound/soc/intel/boards/bxt_rt298.c

   1 /*
   2  * Intel Broxton-P I2S Machine Driver
   3  *
   4  * Copyright (C) 2014-2016, Intel Corporation. All rights reserved.
   5  *
   6  * Modified from:
   7  *   Intel Skylake I2S Machine driver
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License version
  11  * 2 as published by the Free Software Foundation.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  */
  18
  19 #include <linux/module.h>
  20 #include <linux/platform_device.h>
  21 #include <sound/core.h>
  22 #include <sound/pcm.h>
  23 #include <sound/soc.h>
  24 #include <sound/jack.h>
  25 #include <sound/pcm_params.h>
  26 #include "../../codecs/hdac_hdmi.h"
  27 #include "../../codecs/rt298.h"
  28
  29 static struct snd_soc_jack broxton_headset;
  30 /* Headset jack detection DAPM pins */
  31
  32 enum {
  33         BXT_DPCM_AUDIO_PB = 0,
  34         BXT_DPCM_AUDIO_CP,
  35         BXT_DPCM_AUDIO_REF_CP,
  36         BXT_DPCM_AUDIO_HDMI1_PB,
  37         BXT_DPCM_AUDIO_HDMI2_PB,
  38         BXT_DPCM_AUDIO_HDMI3_PB,
  39 };
  40
  41 static struct snd_soc_jack_pin broxton_headset_pins[] = {
  42         {
  43                 .pin = "Mic Jack",
  44                 .mask = SND_JACK_MICROPHONE,
  45         },
  46         {
  47                 .pin = "Headphone Jack",
  48                 .mask = SND_JACK_HEADPHONE,
  49         },
  50 };
  51
  52 static const struct snd_kcontrol_new broxton_controls[] = {
  53         SOC_DAPM_PIN_SWITCH("Speaker"),
  54         SOC_DAPM_PIN_SWITCH("Headphone Jack"),
  55         SOC_DAPM_PIN_SWITCH("Mic Jack"),
  56 };
  57
  58 static const struct snd_soc_dapm_widget broxton_widgets[] = {
  59         SND_SOC_DAPM_HP("Headphone Jack", NULL),
  60         SND_SOC_DAPM_SPK("Speaker", NULL),
  61         SND_SOC_DAPM_MIC("Mic Jack", NULL),
  62         SND_SOC_DAPM_MIC("DMIC2", NULL),
  63         SND_SOC_DAPM_MIC("SoC DMIC", NULL),
  64         SND_SOC_DAPM_SPK("HDMI1", NULL),
  65         SND_SOC_DAPM_SPK("HDMI2", NULL),
  66         SND_SOC_DAPM_SPK("HDMI3", NULL),
  67 };
  68
  69 static const struct snd_soc_dapm_route broxton_rt298_map[] = {
  70         /* speaker */
  71         {"Speaker", NULL, "SPOR"},
  72         {"Speaker", NULL, "SPOL"},
  73
  74         /* HP jack connectors - unknown if we have jack detect */
  75         {"Headphone Jack", NULL, "HPO Pin"},
  76
  77         /* other jacks */
  78         {"MIC1", NULL, "Mic Jack"},
  79
  80         /* digital mics */
  81         {"DMIC1 Pin", NULL, "DMIC2"},
  82         {"DMic", NULL, "SoC DMIC"},
  83
  84         {"HDMI1", NULL, "hif5 Output"},
  85         {"HDMI2", NULL, "hif6 Output"},
  86         {"HDMI3", NULL, "hif7 Output"},
  87
  88         /* CODEC BE connections */
  89         { "AIF1 Playback", NULL, "ssp5 Tx"},
  90         { "ssp5 Tx", NULL, "codec0_out"},
  91
  92         { "codec0_in", NULL, "ssp5 Rx" },
  93         { "ssp5 Rx", NULL, "AIF1 Capture" },
  94
  95         { "dmic01_hifi", NULL, "DMIC01 Rx" },
  96         { "DMIC01 Rx", NULL, "Capture" },
  97
  98         { "hifi3", NULL, "iDisp3 Tx"},
  99         { "iDisp3 Tx", NULL, "iDisp3_out"},
 100         { "hifi2", NULL, "iDisp2 Tx"},
 101         { "iDisp2 Tx", NULL, "iDisp2_out"},
 102         { "hifi1", NULL, "iDisp1 Tx"},
 103         { "iDisp1 Tx", NULL, "iDisp1_out"},
 104
 105 };
 106
 107 static int broxton_rt298_codec_init(struct snd_soc_pcm_runtime *rtd)
 108 {
 109         struct snd_soc_codec *codec = rtd->codec;
 110         int ret = 0;
 111
 112         ret = snd_soc_card_jack_new(rtd->card, "Headset",
 113                 SND_JACK_HEADSET | SND_JACK_BTN_0,
 114                 &broxton_headset,
 115                 broxton_headset_pins, ARRAY_SIZE(broxton_headset_pins));
 116
 117         if (ret)
 118                 return ret;
 119
 120         rt298_mic_detect(codec, &broxton_headset);
 121         return 0;
 122 }
 123
 124 static int broxton_hdmi_init(struct snd_soc_pcm_runtime *rtd)
 125 {
 126         struct snd_soc_dai *dai = rtd->codec_dai;
 127
 128         return hdac_hdmi_jack_init(dai, BXT_DPCM_AUDIO_HDMI1_PB + dai->id);
 129 }
 130
 131 static int broxton_ssp5_fixup(struct snd_soc_pcm_runtime *rtd,
 132                         struct snd_pcm_hw_params *params)
 133 {
 134         struct snd_interval *rate = hw_param_interval(params,
 135                                         SNDRV_PCM_HW_PARAM_RATE);
 136         struct snd_interval *channels = hw_param_interval(params,
 137                                         SNDRV_PCM_HW_PARAM_CHANNELS);
 138         struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
 139
 140         /* The ADSP will covert the FE rate to 48k, stereo */
 141         rate->min = rate->max = 48000;
 142         channels->min = channels->max = 2;
 143
 144         /* set SSP5 to 24 bit */
 145         snd_mask_none(fmt);
 146         snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE);
 147
 148         return 0;
 149 }
 150
 151 static int broxton_rt298_hw_params(struct snd_pcm_substream *substream,
 152         struct snd_pcm_hw_params *params)
 153 {
 154         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 155         struct snd_soc_dai *codec_dai = rtd->codec_dai;
 156         int ret;
 157
 158         ret = snd_soc_dai_set_sysclk(codec_dai, RT298_SCLK_S_PLL,
 159                                         19200000, SND_SOC_CLOCK_IN);
 160         if (ret < 0) {
 161                 dev_err(rtd->dev, "can't set codec sysclk configuration\n");
 162                 return ret;
 163         }
 164
 165         return ret;
 166 }
 167
 168 static struct snd_soc_ops broxton_rt298_ops = {
 169         .hw_params = broxton_rt298_hw_params,
 170 };
 171
 172 /* broxton digital audio interface glue - connects codec <--> CPU */
 173 static struct snd_soc_dai_link broxton_rt298_dais[] = {
 174         /* Front End DAI links */
 175         [BXT_DPCM_AUDIO_PB]
 176         {
 177                 .name = "Bxt Audio Port",
 178                 .stream_name = "Audio",
 179                 .cpu_dai_name = "System Pin",
 180                 .platform_name = "0000:00:0e.0",
 181                 .nonatomic = 1,
 182                 .dynamic = 1,
 183                 .codec_name = "snd-soc-dummy",
 184                 .codec_dai_name = "snd-soc-dummy-dai",
 185                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 186                 .dpcm_playback = 1,
 187         },
 188         [BXT_DPCM_AUDIO_CP]
 189         {
 190                 .name = "Bxt Audio Capture Port",
 191                 .stream_name = "Audio Record",
 192                 .cpu_dai_name = "System Pin",
 193                 .platform_name = "0000:00:0e.0",
 194                 .nonatomic = 1,
 195                 .dynamic = 1,
 196                 .codec_name = "snd-soc-dummy",
 197                 .codec_dai_name = "snd-soc-dummy-dai",
 198                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 199                 .dpcm_capture = 1,
 200         },
 201         [BXT_DPCM_AUDIO_REF_CP]
 202         {
 203                 .name = "Bxt Audio Reference cap",
 204                 .stream_name = "refcap",
 205                 .cpu_dai_name = "Reference Pin",
 206                 .codec_name = "snd-soc-dummy",
 207                 .codec_dai_name = "snd-soc-dummy-dai",
 208                 .platform_name = "0000:00:0e.0",
 209                 .init = NULL,
 210                 .dpcm_capture = 1,
 211                 .nonatomic = 1,
 212                 .dynamic = 1,
 213         },
 214         [BXT_DPCM_AUDIO_HDMI1_PB]
 215         {
 216                 .name = "Bxt HDMI Port1",
 217                 .stream_name = "Hdmi1",
 218                 .cpu_dai_name = "HDMI1 Pin",
 219                 .codec_name = "snd-soc-dummy",
 220                 .codec_dai_name = "snd-soc-dummy-dai",
 221                 .platform_name = "0000:00:0e.0",
 222                 .dpcm_playback = 1,
 223                 .init = NULL,
 224                 .nonatomic = 1,
 225                 .dynamic = 1,
 226         },
 227         [BXT_DPCM_AUDIO_HDMI2_PB]
 228         {
 229                 .name = "Bxt HDMI Port2",
 230                 .stream_name = "Hdmi2",
 231                 .cpu_dai_name = "HDMI2 Pin",
 232                 .codec_name = "snd-soc-dummy",
 233                 .codec_dai_name = "snd-soc-dummy-dai",
 234                 .platform_name = "0000:00:0e.0",
 235                 .dpcm_playback = 1,
 236                 .init = NULL,
 237                 .nonatomic = 1,
 238                 .dynamic = 1,
 239         },
 240         [BXT_DPCM_AUDIO_HDMI3_PB]
 241         {
 242                 .name = "Bxt HDMI Port3",
 243                 .stream_name = "Hdmi3",
 244                 .cpu_dai_name = "HDMI3 Pin",
 245                 .codec_name = "snd-soc-dummy",
 246                 .codec_dai_name = "snd-soc-dummy-dai",
 247                 .platform_name = "0000:00:0e.0",
 248                 .dpcm_playback = 1,
 249                 .init = NULL,
 250                 .nonatomic = 1,
 251                 .dynamic = 1,
 252         },
 253         /* Back End DAI links */
 254         {
 255                 /* SSP5 - Codec */
 256                 .name = "SSP5-Codec",
 257                 .id = 0,
 258                 .cpu_dai_name = "SSP5 Pin",
 259                 .platform_name = "0000:00:0e.0",
 260                 .no_pcm = 1,
 261                 .codec_name = "i2c-INT343A:00",
 262                 .codec_dai_name = "rt298-aif1",
 263                 .init = broxton_rt298_codec_init,
 264                 .dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF |
 265                                                 SND_SOC_DAIFMT_CBS_CFS,
 266                 .ignore_pmdown_time = 1,
 267                 .be_hw_params_fixup = broxton_ssp5_fixup,
 268                 .ops = &broxton_rt298_ops,
 269                 .dpcm_playback = 1,
 270                 .dpcm_capture = 1,
 271         },
 272         {
 273                 .name = "dmic01",
 274                 .id = 1,
 275                 .cpu_dai_name = "DMIC01 Pin",
 276                 .codec_name = "dmic-codec",
 277                 .codec_dai_name = "dmic-hifi",
 278                 .platform_name = "0000:00:0e.0",
 279                 .ignore_suspend = 1,
 280                 .dpcm_capture = 1,
 281                 .no_pcm = 1,
 282         },
 283         {
 284                 .name = "iDisp1",
 285                 .id = 3,
 286                 .cpu_dai_name = "iDisp1 Pin",
 287                 .codec_name = "ehdaudio0D2",
 288                 .codec_dai_name = "intel-hdmi-hifi1",
 289                 .platform_name = "0000:00:0e.0",
 290                 .init = broxton_hdmi_init,
 291                 .dpcm_playback = 1,
 292                 .no_pcm = 1,
 293         },
 294         {
 295                 .name = "iDisp2",
 296                 .id = 4,
 297                 .cpu_dai_name = "iDisp2 Pin",
 298                 .codec_name = "ehdaudio0D2",
 299                 .codec_dai_name = "intel-hdmi-hifi2",
 300                 .platform_name = "0000:00:0e.0",
 301                 .init = broxton_hdmi_init,
 302                 .dpcm_playback = 1,
 303                 .no_pcm = 1,
 304         },
 305         {
 306                 .name = "iDisp3",
 307                 .id = 5,
 308                 .cpu_dai_name = "iDisp3 Pin",
 309                 .codec_name = "ehdaudio0D2",
 310                 .codec_dai_name = "intel-hdmi-hifi3",
 311                 .platform_name = "0000:00:0e.0",
 312                 .init = broxton_hdmi_init,
 313                 .dpcm_playback = 1,
 314                 .no_pcm = 1,
 315         },
 316 };
 317
 318 /* broxton audio machine driver for SPT + RT298S */
 319 static struct snd_soc_card broxton_rt298 = {
 320         .name = "broxton-rt298",
 321         .owner = THIS_MODULE,
 322         .dai_link = broxton_rt298_dais,
 323         .num_links = ARRAY_SIZE(broxton_rt298_dais),
 324         .controls = broxton_controls,
 325         .num_controls = ARRAY_SIZE(broxton_controls),
 326         .dapm_widgets = broxton_widgets,
 327         .num_dapm_widgets = ARRAY_SIZE(broxton_widgets),
 328         .dapm_routes = broxton_rt298_map,
 329         .num_dapm_routes = ARRAY_SIZE(broxton_rt298_map),
 330         .fully_routed = true,
 331 };
 332
 333 static int broxton_audio_probe(struct platform_device *pdev)
 334 {
 335         broxton_rt298.dev = &pdev->dev;
 336
 337         return devm_snd_soc_register_card(&pdev->dev, &broxton_rt298);
 338 }
 339
 340 static struct platform_driver broxton_audio = {
 341         .probe = broxton_audio_probe,
 342         .driver = {
 343                 .name = "bxt_alc298s_i2s",
 344         },
 345 };
 346 module_platform_driver(broxton_audio)
 347
 348 /* Module information */
 349 MODULE_AUTHOR("Ramesh Babu <Ramesh.Babu@intel.com>");
 350 MODULE_AUTHOR("Senthilnathan Veppur <senthilnathanx.veppur@intel.com>");
 351 MODULE_DESCRIPTION("Intel SST Audio for Broxton");
 352 MODULE_LICENSE("GPL v2");
 353 MODULE_ALIAS("platform:bxt_alc298s_i2s");