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 snd_soc_codec *codec = rtd->codec;
 144         struct snd_soc_dapm_context *dapm = &codec->dapm;
 145         struct sst_pdata *pdata = dev_get_platdata(rtd->platform->dev);
 146         struct sst_hsw *broadwell = pdata->dsp;
 147         int ret;
 148
 149         /* Set ADSP SSP port settings */
 150         ret = sst_hsw_device_set_config(broadwell, SST_HSW_DEVICE_SSP_0,
 151                 SST_HSW_DEVICE_MCLK_FREQ_24_MHZ,
 152                 SST_HSW_DEVICE_CLOCK_MASTER, 9);
 153         if (ret < 0) {
 154                 dev_err(rtd->dev, "error: failed to set device config\n");
 155                 return ret;
 156         }
 157
 158         /* always connected - check HP for jack detect */
 159         snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
 160         snd_soc_dapm_enable_pin(dapm, "Speaker");
 161         snd_soc_dapm_enable_pin(dapm, "Mic Jack");
 162         snd_soc_dapm_enable_pin(dapm, "Line Jack");
 163         snd_soc_dapm_enable_pin(dapm, "DMIC1");
 164         snd_soc_dapm_enable_pin(dapm, "DMIC2");
 165
 166         return 0;
 167 }
 168
 169 /* broadwell digital audio interface glue - connects codec <--> CPU */
 170 static struct snd_soc_dai_link broadwell_rt286_dais[] = {
 171         /* Front End DAI links */
 172         {
 173                 .name = "System PCM",
 174                 .stream_name = "System Playback/Capture",
 175                 .cpu_dai_name = "System Pin",
 176                 .platform_name = "haswell-pcm-audio",
 177                 .dynamic = 1,
 178                 .codec_name = "snd-soc-dummy",
 179                 .codec_dai_name = "snd-soc-dummy-dai",
 180                 .init = broadwell_rtd_init,
 181                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 182                 .dpcm_playback = 1,
 183                 .dpcm_capture = 1,
 184         },
 185         {
 186                 .name = "Offload0",
 187                 .stream_name = "Offload0 Playback",
 188                 .cpu_dai_name = "Offload0 Pin",
 189                 .platform_name = "haswell-pcm-audio",
 190                 .dynamic = 1,
 191                 .codec_name = "snd-soc-dummy",
 192                 .codec_dai_name = "snd-soc-dummy-dai",
 193                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 194                 .dpcm_playback = 1,
 195         },
 196         {
 197                 .name = "Offload1",
 198                 .stream_name = "Offload1 Playback",
 199                 .cpu_dai_name = "Offload1 Pin",
 200                 .platform_name = "haswell-pcm-audio",
 201                 .dynamic = 1,
 202                 .codec_name = "snd-soc-dummy",
 203                 .codec_dai_name = "snd-soc-dummy-dai",
 204                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 205                 .dpcm_playback = 1,
 206         },
 207         {
 208                 .name = "Loopback PCM",
 209                 .stream_name = "Loopback",
 210                 .cpu_dai_name = "Loopback Pin",
 211                 .platform_name = "haswell-pcm-audio",
 212                 .dynamic = 0,
 213                 .codec_name = "snd-soc-dummy",
 214                 .codec_dai_name = "snd-soc-dummy-dai",
 215                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 216                 .dpcm_capture = 1,
 217         },
 218         /* Back End DAI links */
 219         {
 220                 /* SSP0 - Codec */
 221                 .name = "Codec",
 222                 .be_id = 0,
 223                 .cpu_dai_name = "snd-soc-dummy-dai",
 224                 .platform_name = "snd-soc-dummy",
 225                 .no_pcm = 1,
 226                 .codec_name = "i2c-INT343A:00",
 227                 .codec_dai_name = "rt286-aif1",
 228                 .init = broadwell_rt286_codec_init,
 229                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 230                         SND_SOC_DAIFMT_CBS_CFS,
 231                 .ignore_suspend = 1,
 232                 .ignore_pmdown_time = 1,
 233                 .be_hw_params_fixup = broadwell_ssp0_fixup,
 234                 .ops = &broadwell_rt286_ops,
 235                 .dpcm_playback = 1,
 236                 .dpcm_capture = 1,
 237         },
 238 };
 239
 240 /* broadwell audio machine driver for WPT + RT286S */
 241 static struct snd_soc_card broadwell_rt286 = {
 242         .name = "broadwell-rt286",
 243         .owner = THIS_MODULE,
 244         .dai_link = broadwell_rt286_dais,
 245         .num_links = ARRAY_SIZE(broadwell_rt286_dais),
 246         .controls = broadwell_controls,
 247         .num_controls = ARRAY_SIZE(broadwell_controls),
 248         .dapm_widgets = broadwell_widgets,
 249         .num_dapm_widgets = ARRAY_SIZE(broadwell_widgets),
 250         .dapm_routes = broadwell_rt286_map,
 251         .num_dapm_routes = ARRAY_SIZE(broadwell_rt286_map),
 252         .fully_routed = true,
 253 };
 254
 255 static int broadwell_audio_probe(struct platform_device *pdev)
 256 {
 257         broadwell_rt286.dev = &pdev->dev;
 258
 259         return snd_soc_register_card(&broadwell_rt286);
 260 }
 261
 262 static int broadwell_audio_remove(struct platform_device *pdev)
 263 {
 264         snd_soc_unregister_card(&broadwell_rt286);
 265         return 0;
 266 }
 267
 268 static struct platform_driver broadwell_audio = {
 269         .probe = broadwell_audio_probe,
 270         .remove = broadwell_audio_remove,
 271         .driver = {
 272                 .name = "broadwell-audio",
 273         },
 274 };
 275
 276 module_platform_driver(broadwell_audio)
 277
 278 /* Module information */
 279 MODULE_AUTHOR("Liam Girdwood, Xingchao Wang");
 280 MODULE_DESCRIPTION("Intel SST Audio for WPT/Broadwell");
 281 MODULE_LICENSE("GPL v2");
 282 MODULE_ALIAS("platform:broadwell-audio");