sound/soc/intel/boards/sof_maxim_common.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 //
   3 // Copyright(c) 2020 Intel Corporation. All rights reserved.
   4 #include <linux/string.h>
   5 #include <sound/pcm.h>
   6 #include <sound/soc.h>
   7 #include <sound/soc-dai.h>
   8 #include <sound/soc-dapm.h>
   9 #include <uapi/sound/asound.h>
  10 #include "sof_maxim_common.h"
  11
  12 #define MAX_98373_PIN_NAME 16
  13
  14 const struct snd_soc_dapm_route max_98373_dapm_routes[] = {
  15         /* speaker */
  16         { "Left Spk", NULL, "Left BE_OUT" },
  17         { "Right Spk", NULL, "Right BE_OUT" },
  18 };
  19
  20 static struct snd_soc_codec_conf max_98373_codec_conf[] = {
  21         {
  22                 .dlc = COMP_CODEC_CONF(MAX_98373_DEV0_NAME),
  23                 .name_prefix = "Right",
  24         },
  25         {
  26                 .dlc = COMP_CODEC_CONF(MAX_98373_DEV1_NAME),
  27                 .name_prefix = "Left",
  28         },
  29 };
  30
  31 struct snd_soc_dai_link_component max_98373_components[] = {
  32         {  /* For Right */
  33                 .name = MAX_98373_DEV0_NAME,
  34                 .dai_name = MAX_98373_CODEC_DAI,
  35         },
  36         {  /* For Left */
  37                 .name = MAX_98373_DEV1_NAME,
  38                 .dai_name = MAX_98373_CODEC_DAI,
  39         },
  40 };
  41
  42 static int max98373_hw_params(struct snd_pcm_substream *substream,
  43                               struct snd_pcm_hw_params *params)
  44 {
  45         struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
  46         struct snd_soc_dai *codec_dai;
  47         int j;
  48
  49         for_each_rtd_codec_dais(rtd, j, codec_dai) {
  50                 if (!strcmp(codec_dai->component->name, MAX_98373_DEV0_NAME)) {
  51                         /* DEV0 tdm slot configuration */
  52                         snd_soc_dai_set_tdm_slot(codec_dai, 0x03, 3, 8, 32);
  53                 }
  54                 if (!strcmp(codec_dai->component->name, MAX_98373_DEV1_NAME)) {
  55                         /* DEV1 tdm slot configuration */
  56                         snd_soc_dai_set_tdm_slot(codec_dai, 0x0C, 3, 8, 32);
  57                 }
  58         }
  59         return 0;
  60 }
  61
  62 int max98373_trigger(struct snd_pcm_substream *substream, int cmd)
  63 {
  64         struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
  65         struct snd_soc_dai *codec_dai;
  66         struct snd_soc_dai *cpu_dai;
  67         int j;
  68         int ret = 0;
  69
  70         /* set spk pin by playback only */
  71         if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
  72                 return 0;
  73
  74         cpu_dai = asoc_rtd_to_cpu(rtd, 0);
  75         for_each_rtd_codec_dais(rtd, j, codec_dai) {
  76                 struct snd_soc_dapm_context *dapm =
  77                                 snd_soc_component_get_dapm(cpu_dai->component);
  78                 char pin_name[MAX_98373_PIN_NAME];
  79
  80                 snprintf(pin_name, ARRAY_SIZE(pin_name), "%s Spk",
  81                          codec_dai->component->name_prefix);
  82
  83                 switch (cmd) {
  84                 case SNDRV_PCM_TRIGGER_START:
  85                 case SNDRV_PCM_TRIGGER_RESUME:
  86                 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
  87                         ret = snd_soc_dapm_enable_pin(dapm, pin_name);
  88                         if (!ret)
  89                                 snd_soc_dapm_sync(dapm);
  90                         break;
  91                 case SNDRV_PCM_TRIGGER_STOP:
  92                 case SNDRV_PCM_TRIGGER_SUSPEND:
  93                 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
  94                         ret = snd_soc_dapm_disable_pin(dapm, pin_name);
  95                         if (!ret)
  96                                 snd_soc_dapm_sync(dapm);
  97                         break;
  98                 default:
  99                         break;
 100                 }
 101         }
 102
 103         return ret;
 104 }
 105
 106 struct snd_soc_ops max_98373_ops = {
 107         .hw_params = max98373_hw_params,
 108         .trigger = max98373_trigger,
 109 };
 110
 111 int max98373_spk_codec_init(struct snd_soc_pcm_runtime *rtd)
 112 {
 113         struct snd_soc_card *card = rtd->card;
 114         int ret;
 115
 116         ret = snd_soc_dapm_add_routes(&card->dapm, max_98373_dapm_routes,
 117                                       ARRAY_SIZE(max_98373_dapm_routes));
 118         if (ret)
 119                 dev_err(rtd->dev, "Speaker map addition failed: %d\n", ret);
 120         return ret;
 121 }
 122
 123 void sof_max98373_codec_conf(struct snd_soc_card *card)
 124 {
 125         card->codec_conf = max_98373_codec_conf;
 126         card->num_configs = ARRAY_SIZE(max_98373_codec_conf);
 127 }