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/module.h>
   5 #include <linux/string.h>
   6 #include <sound/pcm.h>
   7 #include <sound/soc.h>
   8 #include <sound/soc-dai.h>
   9 #include <sound/soc-dapm.h>
  10 #include <uapi/sound/asound.h>
  11 #include "sof_maxim_common.h"
  12
  13 #define MAX_98373_PIN_NAME 16
  14
  15 const struct snd_soc_dapm_route max_98373_dapm_routes[] = {
  16         /* speaker */
  17         { "Left Spk", NULL, "Left BE_OUT" },
  18         { "Right Spk", NULL, "Right BE_OUT" },
  19 };
  20 EXPORT_SYMBOL_NS(max_98373_dapm_routes, SND_SOC_INTEL_SOF_MAXIM_COMMON);
  21
  22 static struct snd_soc_codec_conf max_98373_codec_conf[] = {
  23         {
  24                 .dlc = COMP_CODEC_CONF(MAX_98373_DEV0_NAME),
  25                 .name_prefix = "Right",
  26         },
  27         {
  28                 .dlc = COMP_CODEC_CONF(MAX_98373_DEV1_NAME),
  29                 .name_prefix = "Left",
  30         },
  31 };
  32
  33 struct snd_soc_dai_link_component max_98373_components[] = {
  34         {  /* For Right */
  35                 .name = MAX_98373_DEV0_NAME,
  36                 .dai_name = MAX_98373_CODEC_DAI,
  37         },
  38         {  /* For Left */
  39                 .name = MAX_98373_DEV1_NAME,
  40                 .dai_name = MAX_98373_CODEC_DAI,
  41         },
  42 };
  43 EXPORT_SYMBOL_NS(max_98373_components, SND_SOC_INTEL_SOF_MAXIM_COMMON);
  44
  45 static int max_98373_hw_params(struct snd_pcm_substream *substream,
  46                                struct snd_pcm_hw_params *params)
  47 {
  48         struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
  49         struct snd_soc_dai *codec_dai;
  50         int j;
  51
  52         for_each_rtd_codec_dais(rtd, j, codec_dai) {
  53                 if (!strcmp(codec_dai->component->name, MAX_98373_DEV0_NAME)) {
  54                         /* DEV0 tdm slot configuration */
  55                         snd_soc_dai_set_tdm_slot(codec_dai, 0x03, 3, 8, 32);
  56                 }
  57                 if (!strcmp(codec_dai->component->name, MAX_98373_DEV1_NAME)) {
  58                         /* DEV1 tdm slot configuration */
  59                         snd_soc_dai_set_tdm_slot(codec_dai, 0x0C, 3, 8, 32);
  60                 }
  61         }
  62         return 0;
  63 }
  64
  65 int max_98373_trigger(struct snd_pcm_substream *substream, int cmd)
  66 {
  67         struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
  68         struct snd_soc_dai *codec_dai;
  69         struct snd_soc_dai *cpu_dai;
  70         int j;
  71         int ret = 0;
  72
  73         /* set spk pin by playback only */
  74         if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
  75                 return 0;
  76
  77         cpu_dai = asoc_rtd_to_cpu(rtd, 0);
  78         for_each_rtd_codec_dais(rtd, j, codec_dai) {
  79                 struct snd_soc_dapm_context *dapm =
  80                                 snd_soc_component_get_dapm(cpu_dai->component);
  81                 char pin_name[MAX_98373_PIN_NAME];
  82
  83                 snprintf(pin_name, ARRAY_SIZE(pin_name), "%s Spk",
  84                          codec_dai->component->name_prefix);
  85
  86                 switch (cmd) {
  87                 case SNDRV_PCM_TRIGGER_START:
  88                 case SNDRV_PCM_TRIGGER_RESUME:
  89                 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
  90                         ret = snd_soc_dapm_enable_pin(dapm, pin_name);
  91                         if (!ret)
  92                                 snd_soc_dapm_sync(dapm);
  93                         break;
  94                 case SNDRV_PCM_TRIGGER_STOP:
  95                 case SNDRV_PCM_TRIGGER_SUSPEND:
  96                 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
  97                         ret = snd_soc_dapm_disable_pin(dapm, pin_name);
  98                         if (!ret)
  99                                 snd_soc_dapm_sync(dapm);
 100                         break;
 101                 default:
 102                         break;
 103                 }
 104         }
 105
 106         return ret;
 107 }
 108 EXPORT_SYMBOL_NS(max_98373_trigger, SND_SOC_INTEL_SOF_MAXIM_COMMON);
 109
 110 struct snd_soc_ops max_98373_ops = {
 111         .hw_params = max_98373_hw_params,
 112         .trigger = max_98373_trigger,
 113 };
 114 EXPORT_SYMBOL_NS(max_98373_ops, SND_SOC_INTEL_SOF_MAXIM_COMMON);
 115
 116 int max_98373_spk_codec_init(struct snd_soc_pcm_runtime *rtd)
 117 {
 118         struct snd_soc_card *card = rtd->card;
 119         int ret;
 120
 121         ret = snd_soc_dapm_add_routes(&card->dapm, max_98373_dapm_routes,
 122                                       ARRAY_SIZE(max_98373_dapm_routes));
 123         if (ret)
 124                 dev_err(rtd->dev, "Speaker map addition failed: %d\n", ret);
 125         return ret;
 126 }
 127 EXPORT_SYMBOL_NS(max_98373_spk_codec_init, SND_SOC_INTEL_SOF_MAXIM_COMMON);
 128
 129 void max_98373_set_codec_conf(struct snd_soc_card *card)
 130 {
 131         card->codec_conf = max_98373_codec_conf;
 132         card->num_configs = ARRAY_SIZE(max_98373_codec_conf);
 133 }
 134 EXPORT_SYMBOL_NS(max_98373_set_codec_conf, SND_SOC_INTEL_SOF_MAXIM_COMMON);
 135
 136 /*
 137  * Maxim MAX98357A
 138  */
 139 static const struct snd_kcontrol_new max_98357a_kcontrols[] = {
 140         SOC_DAPM_PIN_SWITCH("Spk"),
 141 };
 142
 143 static const struct snd_soc_dapm_widget max_98357a_dapm_widgets[] = {
 144         SND_SOC_DAPM_SPK("Spk", NULL),
 145 };
 146
 147 static const struct snd_soc_dapm_route max_98357a_dapm_routes[] = {
 148         /* speaker */
 149         {"Spk", NULL, "Speaker"},
 150 };
 151
 152 static struct snd_soc_dai_link_component max_98357a_components[] = {
 153         {
 154                 .name = MAX_98357A_DEV0_NAME,
 155                 .dai_name = MAX_98357A_CODEC_DAI,
 156         }
 157 };
 158
 159 static int max_98357a_init(struct snd_soc_pcm_runtime *rtd)
 160 {
 161         struct snd_soc_card *card = rtd->card;
 162         int ret;
 163
 164         ret = snd_soc_dapm_new_controls(&card->dapm, max_98357a_dapm_widgets,
 165                                         ARRAY_SIZE(max_98357a_dapm_widgets));
 166         if (ret) {
 167                 dev_err(rtd->dev, "unable to add dapm controls, ret %d\n", ret);
 168                 /* Don't need to add routes if widget addition failed */
 169                 return ret;
 170         }
 171
 172         ret = snd_soc_add_card_controls(card, max_98357a_kcontrols,
 173                                         ARRAY_SIZE(max_98357a_kcontrols));
 174         if (ret) {
 175                 dev_err(rtd->dev, "unable to add card controls, ret %d\n", ret);
 176                 return ret;
 177         }
 178
 179         ret = snd_soc_dapm_add_routes(&card->dapm, max_98357a_dapm_routes,
 180                                       ARRAY_SIZE(max_98357a_dapm_routes));
 181
 182         if (ret)
 183                 dev_err(rtd->dev, "unable to add dapm routes, ret %d\n", ret);
 184
 185         return ret;
 186 }
 187
 188 void max_98357a_dai_link(struct snd_soc_dai_link *link)
 189 {
 190         link->codecs = max_98357a_components;
 191         link->num_codecs = ARRAY_SIZE(max_98357a_components);
 192         link->init = max_98357a_init;
 193 }
 194 EXPORT_SYMBOL_NS(max_98357a_dai_link, SND_SOC_INTEL_SOF_MAXIM_COMMON);
 195
 196 MODULE_DESCRIPTION("ASoC Intel SOF Maxim helpers");
 197 MODULE_LICENSE("GPL");