sound/soc/intel/boards/sof_sdw_cs42l43.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 // Based on sof_sdw_rt5682.c
   3 // Copyright (c) 2023 Intel Corporation
   4
   5 /*
   6  *  sof_sdw_cs42l43 - Helpers to handle CS42L43 from generic machine driver
   7  */
   8 #include <linux/device.h>
   9 #include <linux/errno.h>
  10 #include <linux/input.h>
  11 #include <sound/jack.h>
  12 #include <linux/soundwire/sdw.h>
  13 #include <linux/soundwire/sdw_type.h>
  14 #include <sound/cs42l43.h>
  15 #include <sound/control.h>
  16 #include <sound/soc.h>
  17 #include <sound/soc-acpi.h>
  18 #include <sound/soc-dapm.h>
  19 #include "sof_sdw_common.h"
  20
  21 static const struct snd_soc_dapm_widget cs42l43_hs_widgets[] = {
  22         SND_SOC_DAPM_HP("Headphone", NULL),
  23         SND_SOC_DAPM_MIC("Headset Mic", NULL),
  24 };
  25
  26 static const struct snd_soc_dapm_route cs42l43_hs_map[] = {
  27         { "Headphone", NULL, "cs42l43 AMP3_OUT" },
  28         { "Headphone", NULL, "cs42l43 AMP4_OUT" },
  29         { "cs42l43 ADC1_IN1_P", NULL, "Headset Mic" },
  30         { "cs42l43 ADC1_IN1_N", NULL, "Headset Mic" },
  31 };
  32
  33 static const struct snd_soc_dapm_widget cs42l43_dmic_widgets[] = {
  34         SND_SOC_DAPM_MIC("DMIC", NULL),
  35 };
  36
  37 static const struct snd_soc_dapm_route cs42l43_dmic_map[] = {
  38         { "cs42l43 PDM1_DIN", NULL, "DMIC" },
  39         { "cs42l43 PDM2_DIN", NULL, "DMIC" },
  40 };
  41
  42 static struct snd_soc_jack_pin sof_jack_pins[] = {
  43         {
  44                 .pin    = "Headphone",
  45                 .mask   = SND_JACK_HEADPHONE,
  46         },
  47         {
  48                 .pin    = "Headset Mic",
  49                 .mask   = SND_JACK_MICROPHONE,
  50         },
  51 };
  52
  53 static int cs42l43_hs_rtd_init(struct snd_soc_pcm_runtime *rtd)
  54 {
  55         struct snd_soc_component *component = snd_soc_rtd_to_codec(rtd, 0)->component;
  56         struct mc_private *ctx = snd_soc_card_get_drvdata(rtd->card);
  57         struct snd_soc_jack *jack = &ctx->sdw_headset;
  58         struct snd_soc_card *card = rtd->card;
  59         int ret;
  60
  61         card->components = devm_kasprintf(card->dev, GFP_KERNEL, "%s hs:cs42l43",
  62                                           card->components);
  63         if (!card->components)
  64                 return -ENOMEM;
  65
  66         ret = snd_soc_dapm_new_controls(&card->dapm, cs42l43_hs_widgets,
  67                                         ARRAY_SIZE(cs42l43_hs_widgets));
  68         if (ret) {
  69                 dev_err(card->dev, "cs42l43 hs widgets addition failed: %d\n", ret);
  70                 return ret;
  71         }
  72
  73         ret = snd_soc_dapm_add_routes(&card->dapm, cs42l43_hs_map,
  74                                       ARRAY_SIZE(cs42l43_hs_map));
  75         if (ret) {
  76                 dev_err(card->dev, "cs42l43 hs map addition failed: %d\n", ret);
  77                 return ret;
  78         }
  79
  80         ret = snd_soc_card_jack_new_pins(card, "Jack",
  81                                          SND_JACK_MECHANICAL | SND_JACK_AVOUT |
  82                                          SND_JACK_HEADSET | SND_JACK_LINEOUT |
  83                                          SND_JACK_BTN_0 | SND_JACK_BTN_1 |
  84                                          SND_JACK_BTN_2 | SND_JACK_BTN_3,
  85                                          jack, sof_jack_pins,
  86                                          ARRAY_SIZE(sof_jack_pins));
  87         if (ret) {
  88                 dev_err(card->dev, "Failed to create jack: %d\n", ret);
  89                 return ret;
  90         }
  91
  92         snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
  93         snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
  94         snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
  95         snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
  96
  97         ret = snd_soc_component_set_jack(component, jack, NULL);
  98         if (ret) {
  99                 dev_err(card->dev, "Failed to register jack: %d\n", ret);
 100                 return ret;
 101         }
 102
 103         ret = snd_soc_component_set_sysclk(component, CS42L43_SYSCLK, CS42L43_SYSCLK_SDW,
 104                                            0, SND_SOC_CLOCK_IN);
 105         if (ret)
 106                 dev_err(card->dev, "Failed to set sysclk: %d\n", ret);
 107
 108         return ret;
 109 }
 110
 111 int sof_sdw_cs42l43_hs_init(struct snd_soc_card *card, const struct snd_soc_acpi_link_adr *link,
 112                             struct snd_soc_dai_link *dai_links, struct sof_sdw_codec_info *info,
 113                             bool playback)
 114 {
 115         /*
 116          * No need to test if (!playback) like other codecs as cs42l43 uses separated dai for
 117          * playback and capture, and sof_sdw_cs42l43_init is only linked to the playback dai.
 118          */
 119         dai_links->init = cs42l43_hs_rtd_init;
 120
 121         return 0;
 122 }
 123
 124 static int cs42l43_dmic_rtd_init(struct snd_soc_pcm_runtime *rtd)
 125 {
 126         struct snd_soc_card *card = rtd->card;
 127         int ret;
 128
 129         card->components = devm_kasprintf(card->dev, GFP_KERNEL, "%s mic:cs42l43-dmic",
 130                                           card->components);
 131         if (!card->components)
 132                 return -ENOMEM;
 133
 134         ret = snd_soc_dapm_new_controls(&card->dapm, cs42l43_dmic_widgets,
 135                                         ARRAY_SIZE(cs42l43_dmic_widgets));
 136         if (ret) {
 137                 dev_err(card->dev, "cs42l43 dmic widgets addition failed: %d\n", ret);
 138                 return ret;
 139         }
 140
 141         ret = snd_soc_dapm_add_routes(&card->dapm, cs42l43_dmic_map,
 142                                       ARRAY_SIZE(cs42l43_dmic_map));
 143         if (ret)
 144                 dev_err(card->dev, "cs42l43 dmic map addition failed: %d\n", ret);
 145
 146         return ret;
 147 }
 148
 149 int sof_sdw_cs42l43_dmic_init(struct snd_soc_card *card, const struct snd_soc_acpi_link_adr *link,
 150                               struct snd_soc_dai_link *dai_links, struct sof_sdw_codec_info *info,
 151                               bool playback)
 152 {
 153         dai_links->init = cs42l43_dmic_rtd_init;
 154
 155         return 0;
 156 }