sound/soc/intel/boards/haswell.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Intel Haswell Lynxpoint SST Audio
   4  *
   5  * Copyright (C) 2013, Intel Corporation. All rights reserved.
   6  */
   7
   8 #include <linux/module.h>
   9 #include <linux/platform_device.h>
  10 #include <sound/core.h>
  11 #include <sound/pcm.h>
  12 #include <sound/soc.h>
  13 #include <sound/soc-acpi.h>
  14 #include <sound/pcm_params.h>
  15
  16 #include "../../codecs/rt5640.h"
  17
  18 /* Haswell ULT platforms have a Headphone and Mic jack */
  19 static const struct snd_soc_dapm_widget haswell_widgets[] = {
  20         SND_SOC_DAPM_HP("Headphones", NULL),
  21         SND_SOC_DAPM_MIC("Mic", NULL),
  22 };
  23
  24 static const struct snd_soc_dapm_route haswell_rt5640_map[] = {
  25
  26         {"Headphones", NULL, "HPOR"},
  27         {"Headphones", NULL, "HPOL"},
  28         {"IN2P", NULL, "Mic"},
  29
  30         /* CODEC BE connections */
  31         {"SSP0 CODEC IN", NULL, "AIF1 Capture"},
  32         {"AIF1 Playback", NULL, "SSP0 CODEC OUT"},
  33 };
  34
  35 static int haswell_ssp0_fixup(struct snd_soc_pcm_runtime *rtd,
  36                         struct snd_pcm_hw_params *params)
  37 {
  38         struct snd_interval *rate = hw_param_interval(params,
  39                         SNDRV_PCM_HW_PARAM_RATE);
  40         struct snd_interval *channels = hw_param_interval(params,
  41                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
  42
  43         /* The ADSP will covert the FE rate to 48k, stereo */
  44         rate->min = rate->max = 48000;
  45         channels->min = channels->max = 2;
  46
  47         /* set SSP0 to 16 bit */
  48         params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
  49         return 0;
  50 }
  51
  52 static int haswell_rt5640_hw_params(struct snd_pcm_substream *substream,
  53         struct snd_pcm_hw_params *params)
  54 {
  55         struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
  56         struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
  57         int ret;
  58
  59         ret = snd_soc_dai_set_sysclk(codec_dai, RT5640_SCLK_S_MCLK, 12288000,
  60                 SND_SOC_CLOCK_IN);
  61
  62         if (ret < 0) {
  63                 dev_err(rtd->dev, "can't set codec sysclk configuration\n");
  64                 return ret;
  65         }
  66
  67         /* set correct codec filter for DAI format and clock config */
  68         snd_soc_component_update_bits(codec_dai->component, 0x83, 0xffff, 0x8000);
  69
  70         return ret;
  71 }
  72
  73 static const struct snd_soc_ops haswell_rt5640_ops = {
  74         .hw_params = haswell_rt5640_hw_params,
  75 };
  76
  77 SND_SOC_DAILINK_DEF(dummy,
  78         DAILINK_COMP_ARRAY(COMP_DUMMY()));
  79
  80 SND_SOC_DAILINK_DEF(system,
  81         DAILINK_COMP_ARRAY(COMP_CPU("System Pin")));
  82
  83 SND_SOC_DAILINK_DEF(offload0,
  84         DAILINK_COMP_ARRAY(COMP_CPU("Offload0 Pin")));
  85
  86 SND_SOC_DAILINK_DEF(offload1,
  87         DAILINK_COMP_ARRAY(COMP_CPU("Offload1 Pin")));
  88
  89 SND_SOC_DAILINK_DEF(loopback,
  90         DAILINK_COMP_ARRAY(COMP_CPU("Loopback Pin")));
  91
  92 SND_SOC_DAILINK_DEF(codec,
  93         DAILINK_COMP_ARRAY(COMP_CODEC("i2c-INT33CA:00", "rt5640-aif1")));
  94
  95 SND_SOC_DAILINK_DEF(platform,
  96         DAILINK_COMP_ARRAY(COMP_PLATFORM("haswell-pcm-audio")));
  97
  98 SND_SOC_DAILINK_DEF(ssp0_port,
  99             DAILINK_COMP_ARRAY(COMP_CPU("ssp0-port")));
 100
 101 static struct snd_soc_dai_link haswell_rt5640_dais[] = {
 102         /* Front End DAI links */
 103         {
 104                 .name = "System",
 105                 .stream_name = "System Playback/Capture",
 106                 .nonatomic = 1,
 107                 .dynamic = 1,
 108                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 109                 .dpcm_playback = 1,
 110                 .dpcm_capture = 1,
 111                 SND_SOC_DAILINK_REG(system, dummy, platform),
 112         },
 113         {
 114                 .name = "Offload0",
 115                 .stream_name = "Offload0 Playback",
 116                 .nonatomic = 1,
 117                 .dynamic = 1,
 118                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 119                 .dpcm_playback = 1,
 120                 SND_SOC_DAILINK_REG(offload0, dummy, platform),
 121         },
 122         {
 123                 .name = "Offload1",
 124                 .stream_name = "Offload1 Playback",
 125                 .nonatomic = 1,
 126                 .dynamic = 1,
 127                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 128                 .dpcm_playback = 1,
 129                 SND_SOC_DAILINK_REG(offload1, dummy, platform),
 130         },
 131         {
 132                 .name = "Loopback",
 133                 .stream_name = "Loopback",
 134                 .nonatomic = 1,
 135                 .dynamic = 1,
 136                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 137                 .dpcm_capture = 1,
 138                 SND_SOC_DAILINK_REG(loopback, dummy, platform),
 139         },
 140
 141         /* Back End DAI links */
 142         {
 143                 /* SSP0 - Codec */
 144                 .name = "Codec",
 145                 .id = 0,
 146                 .no_pcm = 1,
 147                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 148                         SND_SOC_DAIFMT_CBS_CFS,
 149                 .ignore_pmdown_time = 1,
 150                 .be_hw_params_fixup = haswell_ssp0_fixup,
 151                 .ops = &haswell_rt5640_ops,
 152                 .dpcm_playback = 1,
 153                 .dpcm_capture = 1,
 154                 SND_SOC_DAILINK_REG(ssp0_port, codec, platform),
 155         },
 156 };
 157
 158 /* audio machine driver for Haswell Lynxpoint DSP + RT5640 */
 159 static struct snd_soc_card haswell_rt5640 = {
 160         .name = "haswell-rt5640",
 161         .owner = THIS_MODULE,
 162         .dai_link = haswell_rt5640_dais,
 163         .num_links = ARRAY_SIZE(haswell_rt5640_dais),
 164         .dapm_widgets = haswell_widgets,
 165         .num_dapm_widgets = ARRAY_SIZE(haswell_widgets),
 166         .dapm_routes = haswell_rt5640_map,
 167         .num_dapm_routes = ARRAY_SIZE(haswell_rt5640_map),
 168         .fully_routed = true,
 169 };
 170
 171 static int haswell_audio_probe(struct platform_device *pdev)
 172 {
 173         struct snd_soc_acpi_mach *mach;
 174         int ret;
 175
 176         haswell_rt5640.dev = &pdev->dev;
 177
 178         /* override plaform name, if required */
 179         mach = pdev->dev.platform_data;
 180         ret = snd_soc_fixup_dai_links_platform_name(&haswell_rt5640,
 181                                                     mach->mach_params.platform);
 182         if (ret)
 183                 return ret;
 184
 185         return devm_snd_soc_register_card(&pdev->dev, &haswell_rt5640);
 186 }
 187
 188 static struct platform_driver haswell_audio = {
 189         .probe = haswell_audio_probe,
 190         .driver = {
 191                 .name = "haswell-audio",
 192         },
 193 };
 194
 195 module_platform_driver(haswell_audio)
 196
 197 /* Module information */
 198 MODULE_AUTHOR("Liam Girdwood, Xingchao Wang");
 199 MODULE_DESCRIPTION("Intel SST Audio for Haswell Lynxpoint");
 200 MODULE_LICENSE("GPL v2");
 201 MODULE_ALIAS("platform:haswell-audio");