kernel/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_codec *codec = rtd->codec;
  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(codec, &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 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 sst_pdata *pdata = dev_get_platdata(rtd->platform->dev);
 136         struct sst_hsw *broadwell = pdata->dsp;
 137         int ret;
 138
 139         /* Set ADSP SSP port settings */
 140         ret = sst_hsw_device_set_config(broadwell, SST_HSW_DEVICE_SSP_0,
 141                 SST_HSW_DEVICE_MCLK_FREQ_24_MHZ,
 142                 SST_HSW_DEVICE_CLOCK_MASTER, 9);
 143         if (ret < 0) {
 144                 dev_err(rtd->dev, "error: failed to set device config\n");
 145                 return ret;
 146         }
 147
 148         return 0;
 149 }
 150
 151 /* broadwell digital audio interface glue - connects codec <--> CPU */
 152 static struct snd_soc_dai_link broadwell_rt286_dais[] = {
 153         /* Front End DAI links */
 154         {
 155                 .name = "System PCM",
 156                 .stream_name = "System Playback/Capture",
 157                 .cpu_dai_name = "System Pin",
 158                 .platform_name = "haswell-pcm-audio",
 159                 .dynamic = 1,
 160                 .codec_name = "snd-soc-dummy",
 161                 .codec_dai_name = "snd-soc-dummy-dai",
 162                 .init = broadwell_rtd_init,
 163                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 164                 .dpcm_playback = 1,
 165                 .dpcm_capture = 1,
 166         },
 167         {
 168                 .name = "Offload0",
 169                 .stream_name = "Offload0 Playback",
 170                 .cpu_dai_name = "Offload0 Pin",
 171                 .platform_name = "haswell-pcm-audio",
 172                 .dynamic = 1,
 173                 .codec_name = "snd-soc-dummy",
 174                 .codec_dai_name = "snd-soc-dummy-dai",
 175                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 176                 .dpcm_playback = 1,
 177         },
 178         {
 179                 .name = "Offload1",
 180                 .stream_name = "Offload1 Playback",
 181                 .cpu_dai_name = "Offload1 Pin",
 182                 .platform_name = "haswell-pcm-audio",
 183                 .dynamic = 1,
 184                 .codec_name = "snd-soc-dummy",
 185                 .codec_dai_name = "snd-soc-dummy-dai",
 186                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 187                 .dpcm_playback = 1,
 188         },
 189         {
 190                 .name = "Loopback PCM",
 191                 .stream_name = "Loopback",
 192                 .cpu_dai_name = "Loopback Pin",
 193                 .platform_name = "haswell-pcm-audio",
 194                 .dynamic = 0,
 195                 .codec_name = "snd-soc-dummy",
 196                 .codec_dai_name = "snd-soc-dummy-dai",
 197                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 198                 .dpcm_capture = 1,
 199         },
 200         /* Back End DAI links */
 201         {
 202                 /* SSP0 - Codec */
 203                 .name = "Codec",
 204                 .be_id = 0,
 205                 .cpu_dai_name = "snd-soc-dummy-dai",
 206                 .platform_name = "snd-soc-dummy",
 207                 .no_pcm = 1,
 208                 .codec_name = "i2c-INT343A:00",
 209                 .codec_dai_name = "rt286-aif1",
 210                 .init = broadwell_rt286_codec_init,
 211                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 212                         SND_SOC_DAIFMT_CBS_CFS,
 213                 .ignore_suspend = 1,
 214                 .ignore_pmdown_time = 1,
 215                 .be_hw_params_fixup = broadwell_ssp0_fixup,
 216                 .ops = &broadwell_rt286_ops,
 217                 .dpcm_playback = 1,
 218                 .dpcm_capture = 1,
 219         },
 220 };
 221
 222 static int broadwell_suspend(struct snd_soc_card *card){
 223         struct snd_soc_codec *codec;
 224
 225         list_for_each_entry(codec, &card->codec_dev_list, card_list) {
 226                 if (!strcmp(codec->component.name, "i2c-INT343A:00")) {
 227                         dev_dbg(codec->dev, "disabling jack detect before going to suspend.\n");
 228                         rt286_mic_detect(codec, NULL);
 229                         break;
 230                 }
 231         }
 232         return 0;
 233 }
 234
 235 static int broadwell_resume(struct snd_soc_card *card){
 236         struct snd_soc_codec *codec;
 237
 238         list_for_each_entry(codec, &card->codec_dev_list, card_list) {
 239                 if (!strcmp(codec->component.name, "i2c-INT343A:00")) {
 240                         dev_dbg(codec->dev, "enabling jack detect for resume.\n");
 241                         rt286_mic_detect(codec, &broadwell_headset);
 242                         break;
 243                 }
 244         }
 245         return 0;
 246 }
 247
 248 /* broadwell audio machine driver for WPT + RT286S */
 249 static struct snd_soc_card broadwell_rt286 = {
 250         .name = "broadwell-rt286",
 251         .owner = THIS_MODULE,
 252         .dai_link = broadwell_rt286_dais,
 253         .num_links = ARRAY_SIZE(broadwell_rt286_dais),
 254         .controls = broadwell_controls,
 255         .num_controls = ARRAY_SIZE(broadwell_controls),
 256         .dapm_widgets = broadwell_widgets,
 257         .num_dapm_widgets = ARRAY_SIZE(broadwell_widgets),
 258         .dapm_routes = broadwell_rt286_map,
 259         .num_dapm_routes = ARRAY_SIZE(broadwell_rt286_map),
 260         .fully_routed = true,
 261         .suspend_pre = broadwell_suspend,
 262         .resume_post = broadwell_resume,
 263 };
 264
 265 static int broadwell_audio_probe(struct platform_device *pdev)
 266 {
 267         broadwell_rt286.dev = &pdev->dev;
 268
 269         return snd_soc_register_card(&broadwell_rt286);
 270 }
 271
 272 static int broadwell_audio_remove(struct platform_device *pdev)
 273 {
 274         snd_soc_unregister_card(&broadwell_rt286);
 275         return 0;
 276 }
 277
 278 static struct platform_driver broadwell_audio = {
 279         .probe = broadwell_audio_probe,
 280         .remove = broadwell_audio_remove,
 281         .driver = {
 282                 .name = "broadwell-audio",
 283         },
 284 };
 285
 286 module_platform_driver(broadwell_audio)
 287
 288 /* Module information */
 289 MODULE_AUTHOR("Liam Girdwood, Xingchao Wang");
 290 MODULE_DESCRIPTION("Intel SST Audio for WPT/Broadwell");
 291 MODULE_LICENSE("GPL v2");
 292 MODULE_ALIAS("platform:broadwell-audio");