sound/soc/intel/boards/broadwell.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Intel Broadwell Wildcatpoint SST Audio
   4  *
   5  * Copyright (C) 2013, Intel Corporation. All rights reserved.
   6  */
   7
   8 #include <linux/module.h>
   9 #include <linux/platform_device.h>
  10 #include <sound/core.h>
  11 #include <sound/pcm.h>
  12 #include <sound/soc.h>
  13 #include <sound/jack.h>
  14 #include <sound/pcm_params.h>
  15 #include <sound/soc-acpi.h>
  16
  17 #include "../../codecs/rt286.h"
  18
  19 static struct snd_soc_jack broadwell_headset;
  20 /* Headset jack detection DAPM pins */
  21 static struct snd_soc_jack_pin broadwell_headset_pins[] = {
  22         {
  23                 .pin = "Mic Jack",
  24                 .mask = SND_JACK_MICROPHONE,
  25         },
  26         {
  27                 .pin = "Headphone Jack",
  28                 .mask = SND_JACK_HEADPHONE,
  29         },
  30 };
  31
  32 static const struct snd_kcontrol_new broadwell_controls[] = {
  33         SOC_DAPM_PIN_SWITCH("Speaker"),
  34         SOC_DAPM_PIN_SWITCH("Headphone Jack"),
  35 };
  36
  37 static const struct snd_soc_dapm_widget broadwell_widgets[] = {
  38         SND_SOC_DAPM_HP("Headphone Jack", NULL),
  39         SND_SOC_DAPM_SPK("Speaker", NULL),
  40         SND_SOC_DAPM_MIC("Mic Jack", NULL),
  41         SND_SOC_DAPM_MIC("DMIC1", NULL),
  42         SND_SOC_DAPM_MIC("DMIC2", NULL),
  43         SND_SOC_DAPM_LINE("Line Jack", NULL),
  44 };
  45
  46 static const struct snd_soc_dapm_route broadwell_rt286_map[] = {
  47
  48         /* speaker */
  49         {"Speaker", NULL, "SPOR"},
  50         {"Speaker", NULL, "SPOL"},
  51
  52         /* HP jack connectors - unknown if we have jack deteck */
  53         {"Headphone Jack", NULL, "HPO Pin"},
  54
  55         /* other jacks */
  56         {"MIC1", NULL, "Mic Jack"},
  57         {"LINE1", NULL, "Line Jack"},
  58
  59         /* digital mics */
  60         {"DMIC1 Pin", NULL, "DMIC1"},
  61         {"DMIC2 Pin", NULL, "DMIC2"},
  62
  63         /* CODEC BE connections */
  64         {"SSP0 CODEC IN", NULL, "AIF1 Capture"},
  65         {"AIF1 Playback", NULL, "SSP0 CODEC OUT"},
  66 };
  67
  68 static int broadwell_rt286_codec_init(struct snd_soc_pcm_runtime *rtd)
  69 {
  70         struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
  71         int ret = 0;
  72         ret = snd_soc_card_jack_new(rtd->card, "Headset",
  73                 SND_JACK_HEADSET | SND_JACK_BTN_0, &broadwell_headset,
  74                 broadwell_headset_pins, ARRAY_SIZE(broadwell_headset_pins));
  75         if (ret)
  76                 return ret;
  77
  78         rt286_mic_detect(component, &broadwell_headset);
  79         return 0;
  80 }
  81
  82
  83 static int broadwell_ssp0_fixup(struct snd_soc_pcm_runtime *rtd,
  84                         struct snd_pcm_hw_params *params)
  85 {
  86         struct snd_interval *rate = hw_param_interval(params,
  87                                                       SNDRV_PCM_HW_PARAM_RATE);
  88         struct snd_interval *chan = hw_param_interval(params,
  89                                                       SNDRV_PCM_HW_PARAM_CHANNELS);
  90
  91         /* The ADSP will covert the FE rate to 48k, stereo */
  92         rate->min = rate->max = 48000;
  93         chan->min = chan->max = 2;
  94
  95         /* set SSP0 to 16 bit */
  96         params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
  97         return 0;
  98 }
  99
 100 static int broadwell_rt286_hw_params(struct snd_pcm_substream *substream,
 101         struct snd_pcm_hw_params *params)
 102 {
 103         struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 104         struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
 105         int ret;
 106
 107         ret = snd_soc_dai_set_sysclk(codec_dai, RT286_SCLK_S_PLL, 24000000,
 108                 SND_SOC_CLOCK_IN);
 109
 110         if (ret < 0) {
 111                 dev_err(rtd->dev, "can't set codec sysclk configuration\n");
 112                 return ret;
 113         }
 114
 115         return ret;
 116 }
 117
 118 static const struct snd_soc_ops broadwell_rt286_ops = {
 119         .hw_params = broadwell_rt286_hw_params,
 120 };
 121
 122 static const unsigned int channels[] = {
 123         2,
 124 };
 125
 126 static const struct snd_pcm_hw_constraint_list constraints_channels = {
 127         .count = ARRAY_SIZE(channels),
 128         .list = channels,
 129         .mask = 0,
 130 };
 131
 132 static int broadwell_fe_startup(struct snd_pcm_substream *substream)
 133 {
 134         struct snd_pcm_runtime *runtime = substream->runtime;
 135
 136         /* Board supports stereo configuration only */
 137         runtime->hw.channels_max = 2;
 138         return snd_pcm_hw_constraint_list(runtime, 0,
 139                                           SNDRV_PCM_HW_PARAM_CHANNELS,
 140                                           &constraints_channels);
 141 }
 142
 143 static const struct snd_soc_ops broadwell_fe_ops = {
 144         .startup = broadwell_fe_startup,
 145 };
 146
 147 SND_SOC_DAILINK_DEF(system,
 148         DAILINK_COMP_ARRAY(COMP_CPU("System Pin")));
 149
 150 SND_SOC_DAILINK_DEF(offload0,
 151         DAILINK_COMP_ARRAY(COMP_CPU("Offload0 Pin")));
 152
 153 SND_SOC_DAILINK_DEF(offload1,
 154         DAILINK_COMP_ARRAY(COMP_CPU("Offload1 Pin")));
 155
 156 SND_SOC_DAILINK_DEF(loopback,
 157         DAILINK_COMP_ARRAY(COMP_CPU("Loopback Pin")));
 158
 159 SND_SOC_DAILINK_DEF(dummy,
 160         DAILINK_COMP_ARRAY(COMP_DUMMY()));
 161
 162 SND_SOC_DAILINK_DEF(platform,
 163         DAILINK_COMP_ARRAY(COMP_PLATFORM("haswell-pcm-audio")));
 164
 165 SND_SOC_DAILINK_DEF(codec,
 166         DAILINK_COMP_ARRAY(COMP_CODEC("i2c-INT343A:00", "rt286-aif1")));
 167
 168 SND_SOC_DAILINK_DEF(ssp0_port,
 169             DAILINK_COMP_ARRAY(COMP_CPU("ssp0-port")));
 170
 171 /* broadwell digital audio interface glue - connects codec <--> CPU */
 172 static struct snd_soc_dai_link broadwell_rt286_dais[] = {
 173         /* Front End DAI links */
 174         {
 175                 .name = "System PCM",
 176                 .stream_name = "System Playback/Capture",
 177                 .nonatomic = 1,
 178                 .dynamic = 1,
 179                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 180                 .ops = &broadwell_fe_ops,
 181                 .dpcm_playback = 1,
 182                 .dpcm_capture = 1,
 183                 SND_SOC_DAILINK_REG(system, dummy, platform),
 184         },
 185         {
 186                 .name = "Offload0",
 187                 .stream_name = "Offload0 Playback",
 188                 .nonatomic = 1,
 189                 .dynamic = 1,
 190                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 191                 .dpcm_playback = 1,
 192                 SND_SOC_DAILINK_REG(offload0, dummy, platform),
 193         },
 194         {
 195                 .name = "Offload1",
 196                 .stream_name = "Offload1 Playback",
 197                 .nonatomic = 1,
 198                 .dynamic = 1,
 199                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 200                 .dpcm_playback = 1,
 201                 SND_SOC_DAILINK_REG(offload1, dummy, platform),
 202         },
 203         {
 204                 .name = "Loopback PCM",
 205                 .stream_name = "Loopback",
 206                 .nonatomic = 1,
 207                 .dynamic = 1,
 208                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 209                 .dpcm_capture = 1,
 210                 SND_SOC_DAILINK_REG(loopback, dummy, platform),
 211         },
 212         /* Back End DAI links */
 213         {
 214                 /* SSP0 - Codec */
 215                 .name = "Codec",
 216                 .id = 0,
 217                 .no_pcm = 1,
 218                 .init = broadwell_rt286_codec_init,
 219                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 220                         SND_SOC_DAIFMT_CBS_CFS,
 221                 .ignore_pmdown_time = 1,
 222                 .be_hw_params_fixup = broadwell_ssp0_fixup,
 223                 .ops = &broadwell_rt286_ops,
 224                 .dpcm_playback = 1,
 225                 .dpcm_capture = 1,
 226                 SND_SOC_DAILINK_REG(ssp0_port, codec, platform),
 227         },
 228 };
 229
 230 static int broadwell_disable_jack(struct snd_soc_card *card)
 231 {
 232         struct snd_soc_component *component;
 233
 234         for_each_card_components(card, component) {
 235                 if (!strcmp(component->name, "i2c-INT343A:00")) {
 236
 237                         dev_dbg(component->dev, "disabling jack detect before going to suspend.\n");
 238                         rt286_mic_detect(component, NULL);
 239                         break;
 240                 }
 241         }
 242
 243         return 0;
 244 }
 245
 246 static int broadwell_suspend(struct snd_soc_card *card)
 247 {
 248         return broadwell_disable_jack(card);
 249 }
 250
 251 static int broadwell_resume(struct snd_soc_card *card){
 252         struct snd_soc_component *component;
 253
 254         for_each_card_components(card, component) {
 255                 if (!strcmp(component->name, "i2c-INT343A:00")) {
 256
 257                         dev_dbg(component->dev, "enabling jack detect for resume.\n");
 258                         rt286_mic_detect(component, &broadwell_headset);
 259                         break;
 260                 }
 261         }
 262         return 0;
 263 }
 264
 265 /* use space before codec name to simplify card ID, and simplify driver name */
 266 #define SOF_CARD_NAME "bdw rt286" /* card name will be 'sof-bdw rt286' */
 267 #define SOF_DRIVER_NAME "SOF"
 268
 269 #define CARD_NAME "broadwell-rt286"
 270 #define DRIVER_NAME NULL /* card name will be used for driver name */
 271
 272 /* broadwell audio machine driver for WPT + RT286S */
 273 static struct snd_soc_card broadwell_rt286 = {
 274         .owner = THIS_MODULE,
 275         .dai_link = broadwell_rt286_dais,
 276         .num_links = ARRAY_SIZE(broadwell_rt286_dais),
 277         .controls = broadwell_controls,
 278         .num_controls = ARRAY_SIZE(broadwell_controls),
 279         .dapm_widgets = broadwell_widgets,
 280         .num_dapm_widgets = ARRAY_SIZE(broadwell_widgets),
 281         .dapm_routes = broadwell_rt286_map,
 282         .num_dapm_routes = ARRAY_SIZE(broadwell_rt286_map),
 283         .fully_routed = true,
 284         .suspend_pre = broadwell_suspend,
 285         .resume_post = broadwell_resume,
 286 };
 287
 288 static int broadwell_audio_probe(struct platform_device *pdev)
 289 {
 290         struct snd_soc_acpi_mach *mach;
 291         int ret;
 292
 293         broadwell_rt286.dev = &pdev->dev;
 294
 295         /* override plaform name, if required */
 296         mach = pdev->dev.platform_data;
 297         ret = snd_soc_fixup_dai_links_platform_name(&broadwell_rt286,
 298                                                     mach->mach_params.platform);
 299         if (ret)
 300                 return ret;
 301
 302         /* set card and driver name */
 303         if (snd_soc_acpi_sof_parent(&pdev->dev)) {
 304                 broadwell_rt286.name = SOF_CARD_NAME;
 305                 broadwell_rt286.driver_name = SOF_DRIVER_NAME;
 306         } else {
 307                 broadwell_rt286.name = CARD_NAME;
 308                 broadwell_rt286.driver_name = DRIVER_NAME;
 309         }
 310
 311         return devm_snd_soc_register_card(&pdev->dev, &broadwell_rt286);
 312 }
 313
 314 static int broadwell_audio_remove(struct platform_device *pdev)
 315 {
 316         struct snd_soc_card *card = platform_get_drvdata(pdev);
 317
 318         return broadwell_disable_jack(card);
 319 }
 320
 321 static struct platform_driver broadwell_audio = {
 322         .probe = broadwell_audio_probe,
 323         .remove = broadwell_audio_remove,
 324         .driver = {
 325                 .name = "broadwell-audio",
 326                 .pm = &snd_soc_pm_ops
 327         },
 328 };
 329
 330 module_platform_driver(broadwell_audio)
 331
 332 /* Module information */
 333 MODULE_AUTHOR("Liam Girdwood, Xingchao Wang");
 334 MODULE_DESCRIPTION("Intel SST Audio for WPT/Broadwell");
 335 MODULE_LICENSE("GPL v2");
 336 MODULE_ALIAS("platform:broadwell-audio");