sound/soc/mediatek/mt6797/mt6797-mt6351.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 //
   3 // mt6797-mt6351.c  --  MT6797 MT6351 ALSA SoC machine driver
   4 //
   5 // Copyright (c) 2018 MediaTek Inc.
   6 // Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
   7
   8 #include <linux/module.h>
   9 #include <sound/soc.h>
  10
  11 #include "mt6797-afe-common.h"
  12
  13 static struct snd_soc_dai_link mt6797_mt6351_dai_links[] = {
  14         /* FE */
  15         {
  16                 .name = "Playback_1",
  17                 .stream_name = "Playback_1",
  18                 .cpu_dai_name = "DL1",
  19                 .codec_name = "snd-soc-dummy",
  20                 .codec_dai_name = "snd-soc-dummy-dai",
  21                 .trigger = {SND_SOC_DPCM_TRIGGER_PRE,
  22                             SND_SOC_DPCM_TRIGGER_PRE},
  23                 .dynamic = 1,
  24                 .dpcm_playback = 1,
  25         },
  26         {
  27                 .name = "Playback_2",
  28                 .stream_name = "Playback_2",
  29                 .cpu_dai_name = "DL2",
  30                 .codec_name = "snd-soc-dummy",
  31                 .codec_dai_name = "snd-soc-dummy-dai",
  32                 .trigger = {SND_SOC_DPCM_TRIGGER_PRE,
  33                             SND_SOC_DPCM_TRIGGER_PRE},
  34                 .dynamic = 1,
  35                 .dpcm_playback = 1,
  36         },
  37         {
  38                 .name = "Playback_3",
  39                 .stream_name = "Playback_3",
  40                 .cpu_dai_name = "DL3",
  41                 .codec_name = "snd-soc-dummy",
  42                 .codec_dai_name = "snd-soc-dummy-dai",
  43                 .trigger = {SND_SOC_DPCM_TRIGGER_PRE,
  44                             SND_SOC_DPCM_TRIGGER_PRE},
  45                 .dynamic = 1,
  46                 .dpcm_playback = 1,
  47         },
  48         {
  49                 .name = "Capture_1",
  50                 .stream_name = "Capture_1",
  51                 .cpu_dai_name = "UL1",
  52                 .codec_name = "snd-soc-dummy",
  53                 .codec_dai_name = "snd-soc-dummy-dai",
  54                 .trigger = {SND_SOC_DPCM_TRIGGER_PRE,
  55                             SND_SOC_DPCM_TRIGGER_PRE},
  56                 .dynamic = 1,
  57                 .dpcm_capture = 1,
  58         },
  59         {
  60                 .name = "Capture_2",
  61                 .stream_name = "Capture_2",
  62                 .cpu_dai_name = "UL2",
  63                 .codec_name = "snd-soc-dummy",
  64                 .codec_dai_name = "snd-soc-dummy-dai",
  65                 .trigger = {SND_SOC_DPCM_TRIGGER_PRE,
  66                             SND_SOC_DPCM_TRIGGER_PRE},
  67                 .dynamic = 1,
  68                 .dpcm_capture = 1,
  69         },
  70         {
  71                 .name = "Capture_3",
  72                 .stream_name = "Capture_3",
  73                 .cpu_dai_name = "UL3",
  74                 .codec_name = "snd-soc-dummy",
  75                 .codec_dai_name = "snd-soc-dummy-dai",
  76                 .trigger = {SND_SOC_DPCM_TRIGGER_PRE,
  77                             SND_SOC_DPCM_TRIGGER_PRE},
  78                 .dynamic = 1,
  79                 .dpcm_capture = 1,
  80         },
  81         {
  82                 .name = "Capture_Mono_1",
  83                 .stream_name = "Capture_Mono_1",
  84                 .cpu_dai_name = "UL_MONO_1",
  85                 .codec_name = "snd-soc-dummy",
  86                 .codec_dai_name = "snd-soc-dummy-dai",
  87                 .trigger = {SND_SOC_DPCM_TRIGGER_PRE,
  88                             SND_SOC_DPCM_TRIGGER_PRE},
  89                 .dynamic = 1,
  90                 .dpcm_capture = 1,
  91         },
  92         {
  93                 .name = "Hostless_LPBK",
  94                 .stream_name = "Hostless_LPBK",
  95                 .cpu_dai_name = "Hostless LPBK DAI",
  96                 .codec_name = "snd-soc-dummy",
  97                 .codec_dai_name = "snd-soc-dummy-dai",
  98                 .trigger = {SND_SOC_DPCM_TRIGGER_PRE,
  99                             SND_SOC_DPCM_TRIGGER_PRE},
 100                 .dynamic = 1,
 101                 .dpcm_playback = 1,
 102                 .dpcm_capture = 1,
 103                 .ignore_suspend = 1,
 104         },
 105         {
 106                 .name = "Hostless_Speech",
 107                 .stream_name = "Hostless_Speech",
 108                 .cpu_dai_name = "Hostless Speech DAI",
 109                 .codec_name = "snd-soc-dummy",
 110                 .codec_dai_name = "snd-soc-dummy-dai",
 111                 .trigger = {SND_SOC_DPCM_TRIGGER_PRE,
 112                             SND_SOC_DPCM_TRIGGER_PRE},
 113                 .dynamic = 1,
 114                 .dpcm_playback = 1,
 115                 .dpcm_capture = 1,
 116                 .ignore_suspend = 1,
 117         },
 118         /* BE */
 119         {
 120                 .name = "Primary Codec",
 121                 .cpu_dai_name = "ADDA",
 122                 .codec_dai_name = "mt6351-snd-codec-aif1",
 123                 .no_pcm = 1,
 124                 .dpcm_playback = 1,
 125                 .dpcm_capture = 1,
 126                 .ignore_suspend = 1,
 127         },
 128         {
 129                 .name = "PCM 1",
 130                 .cpu_dai_name = "PCM 1",
 131                 .codec_name = "snd-soc-dummy",
 132                 .codec_dai_name = "snd-soc-dummy-dai",
 133                 .no_pcm = 1,
 134                 .dpcm_playback = 1,
 135                 .dpcm_capture = 1,
 136                 .ignore_suspend = 1,
 137         },
 138         {
 139                 .name = "PCM 2",
 140                 .cpu_dai_name = "PCM 2",
 141                 .codec_name = "snd-soc-dummy",
 142                 .codec_dai_name = "snd-soc-dummy-dai",
 143                 .no_pcm = 1,
 144                 .dpcm_playback = 1,
 145                 .dpcm_capture = 1,
 146                 .ignore_suspend = 1,
 147         },
 148 };
 149
 150 static struct snd_soc_card mt6797_mt6351_card = {
 151         .name = "mt6797-mt6351",
 152         .owner = THIS_MODULE,
 153         .dai_link = mt6797_mt6351_dai_links,
 154         .num_links = ARRAY_SIZE(mt6797_mt6351_dai_links),
 155 };
 156
 157 static int mt6797_mt6351_dev_probe(struct platform_device *pdev)
 158 {
 159         struct snd_soc_card *card = &mt6797_mt6351_card;
 160         struct device_node *platform_node, *codec_node;
 161         int ret, i;
 162
 163         card->dev = &pdev->dev;
 164
 165         platform_node = of_parse_phandle(pdev->dev.of_node,
 166                                          "mediatek,platform", 0);
 167         if (!platform_node) {
 168                 dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
 169                 return -EINVAL;
 170         }
 171         for (i = 0; i < card->num_links; i++) {
 172                 if (mt6797_mt6351_dai_links[i].platform_name)
 173                         continue;
 174                 mt6797_mt6351_dai_links[i].platform_of_node = platform_node;
 175         }
 176
 177         codec_node = of_parse_phandle(pdev->dev.of_node,
 178                                       "mediatek,audio-codec", 0);
 179         if (!codec_node) {
 180                 dev_err(&pdev->dev,
 181                         "Property 'audio-codec' missing or invalid\n");
 182                 ret = -EINVAL;
 183                 goto put_platform_node;
 184         }
 185         for (i = 0; i < card->num_links; i++) {
 186                 if (mt6797_mt6351_dai_links[i].codec_name)
 187                         continue;
 188                 mt6797_mt6351_dai_links[i].codec_of_node = codec_node;
 189         }
 190
 191         ret = devm_snd_soc_register_card(&pdev->dev, card);
 192         if (ret)
 193                 dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
 194                         __func__, ret);
 195
 196         of_node_put(codec_node);
 197 put_platform_node:
 198         of_node_put(platform_node);
 199         return ret;
 200 }
 201
 202 #ifdef CONFIG_OF
 203 static const struct of_device_id mt6797_mt6351_dt_match[] = {
 204         {.compatible = "mediatek,mt6797-mt6351-sound",},
 205         {}
 206 };
 207 #endif
 208
 209 static struct platform_driver mt6797_mt6351_driver = {
 210         .driver = {
 211                 .name = "mt6797-mt6351",
 212                 .owner = THIS_MODULE,
 213 #ifdef CONFIG_OF
 214                 .of_match_table = mt6797_mt6351_dt_match,
 215 #endif
 216         },
 217         .probe = mt6797_mt6351_dev_probe,
 218 };
 219
 220 module_platform_driver(mt6797_mt6351_driver);
 221
 222 /* Module information */
 223 MODULE_DESCRIPTION("MT6797 MT6351 ALSA SoC machine driver");
 224 MODULE_AUTHOR("KaiChieh Chuang <kaichieh.chuang@mediatek.com>");
 225 MODULE_LICENSE("GPL v2");
 226 MODULE_ALIAS("mt6797 mt6351 soc card");
 227