sound/soc/intel/boards/broadwell.c

   1 /*
   2  * Intel Broadwell Wildcatpoint SST Audio
   3  *
   4  * Copyright (C) 2013, Intel Corporation. All rights reserved.
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License version
   8  * 2 as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  */
  16
  17 #include <linux/module.h>
  18 #include <linux/platform_device.h>
  19 #include <sound/core.h>
  20 #include <sound/pcm.h>
  21 #include <sound/soc.h>
  22 #include <sound/jack.h>
  23 #include <sound/pcm_params.h>
  24
  25 #include "../common/sst-dsp.h"
  26 #include "../haswell/sst-haswell-ipc.h"
  27
  28 #include "../../codecs/rt286.h"
  29
  30 static struct snd_soc_jack broadwell_headset;
  31 /* Headset jack detection DAPM pins */
  32 static struct snd_soc_jack_pin broadwell_headset_pins[] = {
  33         {
  34                 .pin = "Mic Jack",
  35                 .mask = SND_JACK_MICROPHONE,
  36         },
  37         {
  38                 .pin = "Headphone Jack",
  39                 .mask = SND_JACK_HEADPHONE,
  40         },
  41 };
  42
  43 static const struct snd_kcontrol_new broadwell_controls[] = {
  44         SOC_DAPM_PIN_SWITCH("Speaker"),
  45         SOC_DAPM_PIN_SWITCH("Headphone Jack"),
  46 };
  47
  48 static const struct snd_soc_dapm_widget broadwell_widgets[] = {
  49         SND_SOC_DAPM_HP("Headphone Jack", NULL),
  50         SND_SOC_DAPM_SPK("Speaker", NULL),
  51         SND_SOC_DAPM_MIC("Mic Jack", NULL),
  52         SND_SOC_DAPM_MIC("DMIC1", NULL),
  53         SND_SOC_DAPM_MIC("DMIC2", NULL),
  54         SND_SOC_DAPM_LINE("Line Jack", NULL),
  55 };
  56
  57 static const struct snd_soc_dapm_route broadwell_rt286_map[] = {
  58
  59         /* speaker */
  60         {"Speaker", NULL, "SPOR"},
  61         {"Speaker", NULL, "SPOL"},
  62
  63         /* HP jack connectors - unknown if we have jack deteck */
  64         {"Headphone Jack", NULL, "HPO Pin"},
  65
  66         /* other jacks */
  67         {"MIC1", NULL, "Mic Jack"},
  68         {"LINE1", NULL, "Line Jack"},
  69
  70         /* digital mics */
  71         {"DMIC1 Pin", NULL, "DMIC1"},
  72         {"DMIC2 Pin", NULL, "DMIC2"},
  73
  74         /* CODEC BE connections */
  75         {"SSP0 CODEC IN", NULL, "AIF1 Capture"},
  76         {"AIF1 Playback", NULL, "SSP0 CODEC OUT"},
  77 };
  78
  79 static int broadwell_rt286_codec_init(struct snd_soc_pcm_runtime *rtd)
  80 {
  81         struct snd_soc_component *component = rtd->codec_dai->component;
  82         int ret = 0;
  83         ret = snd_soc_card_jack_new(rtd->card, "Headset",
  84                 SND_JACK_HEADSET | SND_JACK_BTN_0, &broadwell_headset,
  85                 broadwell_headset_pins, ARRAY_SIZE(broadwell_headset_pins));
  86         if (ret)
  87                 return ret;
  88
  89         rt286_mic_detect(component, &broadwell_headset);
  90         return 0;
  91 }
  92
  93
  94 static int broadwell_ssp0_fixup(struct snd_soc_pcm_runtime *rtd,
  95                         struct snd_pcm_hw_params *params)
  96 {
  97         struct snd_interval *rate = hw_param_interval(params,
  98                         SNDRV_PCM_HW_PARAM_RATE);
  99         struct snd_interval *channels = hw_param_interval(params,
 100                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
 101
 102         /* The ADSP will covert the FE rate to 48k, stereo */
 103         rate->min = rate->max = 48000;
 104         channels->min = channels->max = 2;
 105
 106         /* set SSP0 to 16 bit */
 107         params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
 108         return 0;
 109 }
 110
 111 static int broadwell_rt286_hw_params(struct snd_pcm_substream *substream,
 112         struct snd_pcm_hw_params *params)
 113 {
 114         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 115         struct snd_soc_dai *codec_dai = rtd->codec_dai;
 116         int ret;
 117
 118         ret = snd_soc_dai_set_sysclk(codec_dai, RT286_SCLK_S_PLL, 24000000,
 119                 SND_SOC_CLOCK_IN);
 120
 121         if (ret < 0) {
 122                 dev_err(rtd->dev, "can't set codec sysclk configuration\n");
 123                 return ret;
 124         }
 125
 126         return ret;
 127 }
 128
 129 static const struct snd_soc_ops broadwell_rt286_ops = {
 130         .hw_params = broadwell_rt286_hw_params,
 131 };
 132
 133 static int broadwell_rtd_init(struct snd_soc_pcm_runtime *rtd)
 134 {
 135         struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
 136         struct sst_pdata *pdata = dev_get_platdata(component->dev);
 137         struct sst_hsw *broadwell = pdata->dsp;
 138         int ret;
 139
 140         /* Set ADSP SSP port settings */
 141         ret = sst_hsw_device_set_config(broadwell, SST_HSW_DEVICE_SSP_0,
 142                 SST_HSW_DEVICE_MCLK_FREQ_24_MHZ,
 143                 SST_HSW_DEVICE_CLOCK_MASTER, 9);
 144         if (ret < 0) {
 145                 dev_err(rtd->dev, "error: failed to set device config\n");
 146                 return ret;
 147         }
 148
 149         return 0;
 150 }
 151
 152 /* broadwell digital audio interface glue - connects codec <--> CPU */
 153 static struct snd_soc_dai_link broadwell_rt286_dais[] = {
 154         /* Front End DAI links */
 155         {
 156                 .name = "System PCM",
 157                 .stream_name = "System Playback/Capture",
 158                 .cpu_dai_name = "System Pin",
 159                 .platform_name = "haswell-pcm-audio",
 160                 .dynamic = 1,
 161                 .codec_name = "snd-soc-dummy",
 162                 .codec_dai_name = "snd-soc-dummy-dai",
 163                 .init = broadwell_rtd_init,
 164                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 165                 .dpcm_playback = 1,
 166                 .dpcm_capture = 1,
 167         },
 168         {
 169                 .name = "Offload0",
 170                 .stream_name = "Offload0 Playback",
 171                 .cpu_dai_name = "Offload0 Pin",
 172                 .platform_name = "haswell-pcm-audio",
 173                 .dynamic = 1,
 174                 .codec_name = "snd-soc-dummy",
 175                 .codec_dai_name = "snd-soc-dummy-dai",
 176                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 177                 .dpcm_playback = 1,
 178         },
 179         {
 180                 .name = "Offload1",
 181                 .stream_name = "Offload1 Playback",
 182                 .cpu_dai_name = "Offload1 Pin",
 183                 .platform_name = "haswell-pcm-audio",
 184                 .dynamic = 1,
 185                 .codec_name = "snd-soc-dummy",
 186                 .codec_dai_name = "snd-soc-dummy-dai",
 187                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 188                 .dpcm_playback = 1,
 189         },
 190         {
 191                 .name = "Loopback PCM",
 192                 .stream_name = "Loopback",
 193                 .cpu_dai_name = "Loopback Pin",
 194                 .platform_name = "haswell-pcm-audio",
 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         /* Back End DAI links */
 202         {
 203                 /* SSP0 - Codec */
 204                 .name = "Codec",
 205                 .id = 0,
 206                 .cpu_dai_name = "snd-soc-dummy-dai",
 207                 .platform_name = "snd-soc-dummy",
 208                 .no_pcm = 1,
 209                 .codec_name = "i2c-INT343A:00",
 210                 .codec_dai_name = "rt286-aif1",
 211                 .init = broadwell_rt286_codec_init,
 212                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 213                         SND_SOC_DAIFMT_CBS_CFS,
 214                 .ignore_suspend = 1,
 215                 .ignore_pmdown_time = 1,
 216                 .be_hw_params_fixup = broadwell_ssp0_fixup,
 217                 .ops = &broadwell_rt286_ops,
 218                 .dpcm_playback = 1,
 219                 .dpcm_capture = 1,
 220         },
 221 };
 222
 223 static int broadwell_suspend(struct snd_soc_card *card){
 224         struct snd_soc_component *component;
 225
 226         for_each_card_components(card, component) {
 227                 if (!strcmp(component->name, "i2c-INT343A:00")) {
 228
 229                         dev_dbg(component->dev, "disabling jack detect before going to suspend.\n");
 230                         rt286_mic_detect(component, NULL);
 231                         break;
 232                 }
 233         }
 234         return 0;
 235 }
 236
 237 static int broadwell_resume(struct snd_soc_card *card){
 238         struct snd_soc_component *component;
 239
 240         for_each_card_components(card, component) {
 241                 if (!strcmp(component->name, "i2c-INT343A:00")) {
 242
 243                         dev_dbg(component->dev, "enabling jack detect for resume.\n");
 244                         rt286_mic_detect(component, &broadwell_headset);
 245                         break;
 246                 }
 247         }
 248         return 0;
 249 }
 250
 251 /* broadwell audio machine driver for WPT + RT286S */
 252 static struct snd_soc_card broadwell_rt286 = {
 253         .name = "broadwell-rt286",
 254         .owner = THIS_MODULE,
 255         .dai_link = broadwell_rt286_dais,
 256         .num_links = ARRAY_SIZE(broadwell_rt286_dais),
 257         .controls = broadwell_controls,
 258         .num_controls = ARRAY_SIZE(broadwell_controls),
 259         .dapm_widgets = broadwell_widgets,
 260         .num_dapm_widgets = ARRAY_SIZE(broadwell_widgets),
 261         .dapm_routes = broadwell_rt286_map,
 262         .num_dapm_routes = ARRAY_SIZE(broadwell_rt286_map),
 263         .fully_routed = true,
 264         .suspend_pre = broadwell_suspend,
 265         .resume_post = broadwell_resume,
 266 };
 267
 268 static int broadwell_audio_probe(struct platform_device *pdev)
 269 {
 270         broadwell_rt286.dev = &pdev->dev;
 271         return devm_snd_soc_register_card(&pdev->dev, &broadwell_rt286);
 272 }
 273
 274 static struct platform_driver broadwell_audio = {
 275         .probe = broadwell_audio_probe,
 276         .driver = {
 277                 .name = "broadwell-audio",
 278         },
 279 };
 280
 281 module_platform_driver(broadwell_audio)
 282
 283 /* Module information */
 284 MODULE_AUTHOR("Liam Girdwood, Xingchao Wang");
 285 MODULE_DESCRIPTION("Intel SST Audio for WPT/Broadwell");
 286 MODULE_LICENSE("GPL v2");
 287 MODULE_ALIAS("platform:broadwell-audio");