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/jack.h>
  23 #include <sound/pcm_params.h>
  24
  25 #include "sst-dsp.h"
  26 #include "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_jack_new(codec, "Headset",
  84                 SND_JACK_HEADSET | SND_JACK_BTN_0, &broadwell_headset);
  85
  86         if (ret)
  87                 return ret;
  88
  89         ret = snd_soc_jack_add_pins(&broadwell_headset,
  90                 ARRAY_SIZE(broadwell_headset_pins),
  91                 broadwell_headset_pins);
  92         if (ret)
  93                 return ret;
  94
  95         rt286_mic_detect(codec, &broadwell_headset);
  96         return 0;
  97 }
  98
  99
 100 static int broadwell_ssp0_fixup(struct snd_soc_pcm_runtime *rtd,
 101                         struct snd_pcm_hw_params *params)
 102 {
 103         struct snd_interval *rate = hw_param_interval(params,
 104                         SNDRV_PCM_HW_PARAM_RATE);
 105         struct snd_interval *channels = hw_param_interval(params,
 106                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
 107
 108         /* The ADSP will covert the FE rate to 48k, stereo */
 109         rate->min = rate->max = 48000;
 110         channels->min = channels->max = 2;
 111
 112         /* set SSP0 to 16 bit */
 113         snd_mask_set(&params->masks[SNDRV_PCM_HW_PARAM_FORMAT -
 114                                     SNDRV_PCM_HW_PARAM_FIRST_MASK],
 115                                     SNDRV_PCM_FORMAT_S16_LE);
 116         return 0;
 117 }
 118
 119 static int broadwell_rt286_hw_params(struct snd_pcm_substream *substream,
 120         struct snd_pcm_hw_params *params)
 121 {
 122         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 123         struct snd_soc_dai *codec_dai = rtd->codec_dai;
 124         int ret;
 125
 126         ret = snd_soc_dai_set_sysclk(codec_dai, RT286_SCLK_S_PLL, 24000000,
 127                 SND_SOC_CLOCK_IN);
 128
 129         if (ret < 0) {
 130                 dev_err(rtd->dev, "can't set codec sysclk configuration\n");
 131                 return ret;
 132         }
 133
 134         return ret;
 135 }
 136
 137 static struct snd_soc_ops broadwell_rt286_ops = {
 138         .hw_params = broadwell_rt286_hw_params,
 139 };
 140
 141 static int broadwell_rtd_init(struct snd_soc_pcm_runtime *rtd)
 142 {
 143         struct sst_pdata *pdata = dev_get_platdata(rtd->platform->dev);
 144         struct sst_hsw *broadwell = pdata->dsp;
 145         int ret;
 146
 147         /* Set ADSP SSP port settings */
 148         ret = sst_hsw_device_set_config(broadwell, SST_HSW_DEVICE_SSP_0,
 149                 SST_HSW_DEVICE_MCLK_FREQ_24_MHZ,
 150                 SST_HSW_DEVICE_CLOCK_MASTER, 9);
 151         if (ret < 0) {
 152                 dev_err(rtd->dev, "error: failed to set device config\n");
 153                 return ret;
 154         }
 155
 156         return 0;
 157 }
 158
 159 /* broadwell digital audio interface glue - connects codec <--> CPU */
 160 static struct snd_soc_dai_link broadwell_rt286_dais[] = {
 161         /* Front End DAI links */
 162         {
 163                 .name = "System PCM",
 164                 .stream_name = "System Playback/Capture",
 165                 .cpu_dai_name = "System Pin",
 166                 .platform_name = "haswell-pcm-audio",
 167                 .dynamic = 1,
 168                 .codec_name = "snd-soc-dummy",
 169                 .codec_dai_name = "snd-soc-dummy-dai",
 170                 .init = broadwell_rtd_init,
 171                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 172                 .dpcm_playback = 1,
 173                 .dpcm_capture = 1,
 174         },
 175         {
 176                 .name = "Offload0",
 177                 .stream_name = "Offload0 Playback",
 178                 .cpu_dai_name = "Offload0 Pin",
 179                 .platform_name = "haswell-pcm-audio",
 180                 .dynamic = 1,
 181                 .codec_name = "snd-soc-dummy",
 182                 .codec_dai_name = "snd-soc-dummy-dai",
 183                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 184                 .dpcm_playback = 1,
 185         },
 186         {
 187                 .name = "Offload1",
 188                 .stream_name = "Offload1 Playback",
 189                 .cpu_dai_name = "Offload1 Pin",
 190                 .platform_name = "haswell-pcm-audio",
 191                 .dynamic = 1,
 192                 .codec_name = "snd-soc-dummy",
 193                 .codec_dai_name = "snd-soc-dummy-dai",
 194                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 195                 .dpcm_playback = 1,
 196         },
 197         {
 198                 .name = "Loopback PCM",
 199                 .stream_name = "Loopback",
 200                 .cpu_dai_name = "Loopback Pin",
 201                 .platform_name = "haswell-pcm-audio",
 202                 .dynamic = 0,
 203                 .codec_name = "snd-soc-dummy",
 204                 .codec_dai_name = "snd-soc-dummy-dai",
 205                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 206                 .dpcm_capture = 1,
 207         },
 208         /* Back End DAI links */
 209         {
 210                 /* SSP0 - Codec */
 211                 .name = "Codec",
 212                 .be_id = 0,
 213                 .cpu_dai_name = "snd-soc-dummy-dai",
 214                 .platform_name = "snd-soc-dummy",
 215                 .no_pcm = 1,
 216                 .codec_name = "i2c-INT343A:00",
 217                 .codec_dai_name = "rt286-aif1",
 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_suspend = 1,
 222                 .ignore_pmdown_time = 1,
 223                 .be_hw_params_fixup = broadwell_ssp0_fixup,
 224                 .ops = &broadwell_rt286_ops,
 225                 .dpcm_playback = 1,
 226                 .dpcm_capture = 1,
 227         },
 228 };
 229
 230 /* broadwell audio machine driver for WPT + RT286S */
 231 static struct snd_soc_card broadwell_rt286 = {
 232         .name = "broadwell-rt286",
 233         .owner = THIS_MODULE,
 234         .dai_link = broadwell_rt286_dais,
 235         .num_links = ARRAY_SIZE(broadwell_rt286_dais),
 236         .controls = broadwell_controls,
 237         .num_controls = ARRAY_SIZE(broadwell_controls),
 238         .dapm_widgets = broadwell_widgets,
 239         .num_dapm_widgets = ARRAY_SIZE(broadwell_widgets),
 240         .dapm_routes = broadwell_rt286_map,
 241         .num_dapm_routes = ARRAY_SIZE(broadwell_rt286_map),
 242         .fully_routed = true,
 243 };
 244
 245 static int broadwell_audio_probe(struct platform_device *pdev)
 246 {
 247         broadwell_rt286.dev = &pdev->dev;
 248
 249         return snd_soc_register_card(&broadwell_rt286);
 250 }
 251
 252 static int broadwell_audio_remove(struct platform_device *pdev)
 253 {
 254         snd_soc_unregister_card(&broadwell_rt286);
 255         return 0;
 256 }
 257
 258 static struct platform_driver broadwell_audio = {
 259         .probe = broadwell_audio_probe,
 260         .remove = broadwell_audio_remove,
 261         .driver = {
 262                 .name = "broadwell-audio",
 263         },
 264 };
 265
 266 module_platform_driver(broadwell_audio)
 267
 268 /* Module information */
 269 MODULE_AUTHOR("Liam Girdwood, Xingchao Wang");
 270 MODULE_DESCRIPTION("Intel SST Audio for WPT/Broadwell");
 271 MODULE_LICENSE("GPL v2");
 272 MODULE_ALIAS("platform:broadwell-audio");