sound/soc/intel/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/pcm_params.h>
  23
  24 #include "sst-dsp.h"
  25 #include "sst-haswell-ipc.h"
  26
  27 #include "../codecs/rt286.h"
  28
  29 static const struct snd_soc_dapm_widget broadwell_widgets[] = {
  30         SND_SOC_DAPM_HP("Headphones", NULL),
  31         SND_SOC_DAPM_SPK("Speaker", NULL),
  32         SND_SOC_DAPM_MIC("Mic Jack", NULL),
  33         SND_SOC_DAPM_MIC("DMIC1", NULL),
  34         SND_SOC_DAPM_MIC("DMIC2", NULL),
  35         SND_SOC_DAPM_LINE("Line Jack", NULL),
  36 };
  37
  38 static const struct snd_soc_dapm_route broadwell_rt286_map[] = {
  39
  40         /* speaker */
  41         {"Speaker", NULL, "SPOR"},
  42         {"Speaker", NULL, "SPOL"},
  43
  44         /* HP jack connectors - unknown if we have jack deteck */
  45         {"Headphones", NULL, "HPO Pin"},
  46
  47         /* other jacks */
  48         {"MIC1", NULL, "Mic Jack"},
  49         {"LINE1", NULL, "Line Jack"},
  50
  51         /* digital mics */
  52         {"DMIC1 Pin", NULL, "DMIC1"},
  53         {"DMIC2 Pin", NULL, "DMIC2"},
  54
  55         /* CODEC BE connections */
  56         {"SSP0 CODEC IN", NULL, "AIF1 Capture"},
  57         {"AIF1 Playback", NULL, "SSP0 CODEC OUT"},
  58 };
  59
  60 static int broadwell_ssp0_fixup(struct snd_soc_pcm_runtime *rtd,
  61                         struct snd_pcm_hw_params *params)
  62 {
  63         struct snd_interval *rate = hw_param_interval(params,
  64                         SNDRV_PCM_HW_PARAM_RATE);
  65         struct snd_interval *channels = hw_param_interval(params,
  66                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
  67
  68         /* The ADSP will covert the FE rate to 48k, stereo */
  69         rate->min = rate->max = 48000;
  70         channels->min = channels->max = 2;
  71
  72         /* set SSP0 to 16 bit */
  73         snd_mask_set(&params->masks[SNDRV_PCM_HW_PARAM_FORMAT -
  74                                     SNDRV_PCM_HW_PARAM_FIRST_MASK],
  75                                     SNDRV_PCM_FORMAT_S16_LE);
  76         return 0;
  77 }
  78
  79 static int broadwell_rt286_hw_params(struct snd_pcm_substream *substream,
  80         struct snd_pcm_hw_params *params)
  81 {
  82         struct snd_soc_pcm_runtime *rtd = substream->private_data;
  83         struct snd_soc_dai *codec_dai = rtd->codec_dai;
  84         int ret;
  85
  86         ret = snd_soc_dai_set_sysclk(codec_dai, RT286_SCLK_S_PLL, 24000000,
  87                 SND_SOC_CLOCK_IN);
  88
  89         if (ret < 0) {
  90                 dev_err(rtd->dev, "can't set codec sysclk configuration\n");
  91                 return ret;
  92         }
  93
  94         return ret;
  95 }
  96
  97 static struct snd_soc_ops broadwell_rt286_ops = {
  98         .hw_params = broadwell_rt286_hw_params,
  99 };
 100
 101 static int broadwell_rtd_init(struct snd_soc_pcm_runtime *rtd)
 102 {
 103         struct snd_soc_codec *codec = rtd->codec;
 104         struct snd_soc_dapm_context *dapm = &codec->dapm;
 105         struct sst_pdata *pdata = dev_get_platdata(rtd->platform->dev);
 106         struct sst_hsw *broadwell = pdata->dsp;
 107         int ret;
 108
 109         /* Set ADSP SSP port settings */
 110         ret = sst_hsw_device_set_config(broadwell, SST_HSW_DEVICE_SSP_0,
 111                 SST_HSW_DEVICE_MCLK_FREQ_24_MHZ,
 112                 SST_HSW_DEVICE_CLOCK_MASTER, 9);
 113         if (ret < 0) {
 114                 dev_err(rtd->dev, "error: failed to set device config\n");
 115                 return ret;
 116         }
 117
 118         /* always connected - check HP for jack detect */
 119         snd_soc_dapm_enable_pin(dapm, "Headphones");
 120         snd_soc_dapm_enable_pin(dapm, "Speaker");
 121         snd_soc_dapm_enable_pin(dapm, "Mic Jack");
 122         snd_soc_dapm_enable_pin(dapm, "Line Jack");
 123         snd_soc_dapm_enable_pin(dapm, "DMIC1");
 124         snd_soc_dapm_enable_pin(dapm, "DMIC2");
 125
 126         return 0;
 127 }
 128
 129 /* broadwell digital audio interface glue - connects codec <--> CPU */
 130 static struct snd_soc_dai_link broadwell_rt286_dais[] = {
 131         /* Front End DAI links */
 132         {
 133                 .name = "System PCM",
 134                 .stream_name = "System Playback",
 135                 .cpu_dai_name = "System Pin",
 136                 .platform_name = "haswell-pcm-audio",
 137                 .dynamic = 1,
 138                 .codec_name = "snd-soc-dummy",
 139                 .codec_dai_name = "snd-soc-dummy-dai",
 140                 .init = broadwell_rtd_init,
 141                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 142                 .dpcm_playback = 1,
 143         },
 144         {
 145                 .name = "Offload0",
 146                 .stream_name = "Offload0 Playback",
 147                 .cpu_dai_name = "Offload0 Pin",
 148                 .platform_name = "haswell-pcm-audio",
 149                 .dynamic = 1,
 150                 .codec_name = "snd-soc-dummy",
 151                 .codec_dai_name = "snd-soc-dummy-dai",
 152                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 153                 .dpcm_playback = 1,
 154         },
 155         {
 156                 .name = "Offload1",
 157                 .stream_name = "Offload1 Playback",
 158                 .cpu_dai_name = "Offload1 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                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 164                 .dpcm_playback = 1,
 165         },
 166         {
 167                 .name = "Loopback PCM",
 168                 .stream_name = "Loopback",
 169                 .cpu_dai_name = "Loopback Pin",
 170                 .platform_name = "haswell-pcm-audio",
 171                 .dynamic = 0,
 172                 .codec_name = "snd-soc-dummy",
 173                 .codec_dai_name = "snd-soc-dummy-dai",
 174                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 175                 .dpcm_capture = 1,
 176         },
 177         {
 178                 .name = "Capture PCM",
 179                 .stream_name = "Capture",
 180                 .cpu_dai_name = "Capture Pin",
 181                 .platform_name = "haswell-pcm-audio",
 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_capture = 1,
 187         },
 188
 189         /* Back End DAI links */
 190         {
 191                 /* SSP0 - Codec */
 192                 .name = "Codec",
 193                 .be_id = 0,
 194                 .cpu_dai_name = "snd-soc-dummy-dai",
 195                 .platform_name = "snd-soc-dummy",
 196                 .no_pcm = 1,
 197                 .codec_name = "i2c-INT343A:00",
 198                 .codec_dai_name = "rt286-aif1",
 199                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 200                         SND_SOC_DAIFMT_CBS_CFS,
 201                 .ignore_suspend = 1,
 202                 .ignore_pmdown_time = 1,
 203                 .be_hw_params_fixup = broadwell_ssp0_fixup,
 204                 .ops = &broadwell_rt286_ops,
 205                 .dpcm_playback = 1,
 206                 .dpcm_capture = 1,
 207         },
 208 };
 209
 210 /* broadwell audio machine driver for WPT + RT286S */
 211 static struct snd_soc_card broadwell_rt286 = {
 212         .name = "broadwell-rt286",
 213         .owner = THIS_MODULE,
 214         .dai_link = broadwell_rt286_dais,
 215         .num_links = ARRAY_SIZE(broadwell_rt286_dais),
 216         .dapm_widgets = broadwell_widgets,
 217         .num_dapm_widgets = ARRAY_SIZE(broadwell_widgets),
 218         .dapm_routes = broadwell_rt286_map,
 219         .num_dapm_routes = ARRAY_SIZE(broadwell_rt286_map),
 220         .fully_routed = true,
 221 };
 222
 223 static int broadwell_audio_probe(struct platform_device *pdev)
 224 {
 225         broadwell_rt286.dev = &pdev->dev;
 226
 227         return snd_soc_register_card(&broadwell_rt286);
 228 }
 229
 230 static int broadwell_audio_remove(struct platform_device *pdev)
 231 {
 232         snd_soc_unregister_card(&broadwell_rt286);
 233         return 0;
 234 }
 235
 236 static struct platform_driver broadwell_audio = {
 237         .probe = broadwell_audio_probe,
 238         .remove = broadwell_audio_remove,
 239         .driver = {
 240                 .name = "broadwell-audio",
 241                 .owner = THIS_MODULE,
 242         },
 243 };
 244
 245 module_platform_driver(broadwell_audio)
 246
 247 /* Module information */
 248 MODULE_AUTHOR("Liam Girdwood, Xingchao Wang");
 249 MODULE_DESCRIPTION("Intel SST Audio for WPT/Broadwell");
 250 MODULE_LICENSE("GPL v2");
 251 MODULE_ALIAS("platform:broadwell-audio");