sound/soc/intel/boards/sof_sdw_rt_sdca_jack_common.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 // Copyright (c) 2020 Intel Corporation
   3
   4 /*
   5  *  sof_sdw_rt711_sdca - Helpers to handle RT711-SDCA from generic machine driver
   6  */
   7
   8 #include <linux/device.h>
   9 #include <linux/errno.h>
  10 #include <linux/input.h>
  11 #include <linux/soundwire/sdw.h>
  12 #include <linux/soundwire/sdw_type.h>
  13 #include <sound/control.h>
  14 #include <sound/soc.h>
  15 #include <sound/soc-acpi.h>
  16 #include <sound/soc-dapm.h>
  17 #include <sound/jack.h>
  18 #include "sof_sdw_common.h"
  19
  20 /*
  21  * Note this MUST be called before snd_soc_register_card(), so that the props
  22  * are in place before the codec component driver's probe function parses them.
  23  */
  24 static int rt_sdca_jack_add_codec_device_props(struct device *sdw_dev)
  25 {
  26         struct property_entry props[MAX_NO_PROPS] = {};
  27         struct fwnode_handle *fwnode;
  28         int ret;
  29
  30         if (!SOF_JACK_JDSRC(sof_sdw_quirk))
  31                 return 0;
  32
  33         props[0] = PROPERTY_ENTRY_U32("realtek,jd-src", SOF_JACK_JDSRC(sof_sdw_quirk));
  34
  35         fwnode = fwnode_create_software_node(props, NULL);
  36         if (IS_ERR(fwnode))
  37                 return PTR_ERR(fwnode);
  38
  39         ret = device_add_software_node(sdw_dev, to_software_node(fwnode));
  40
  41         fwnode_handle_put(fwnode);
  42
  43         return ret;
  44 }
  45
  46 static const struct snd_soc_dapm_widget rt_sdca_jack_widgets[] = {
  47         SND_SOC_DAPM_HP("Headphone", NULL),
  48         SND_SOC_DAPM_MIC("Headset Mic", NULL),
  49 };
  50
  51 static const struct snd_soc_dapm_route rt711_sdca_map[] = {
  52         { "Headphone", NULL, "rt711 HP" },
  53         { "rt711 MIC2", NULL, "Headset Mic" },
  54 };
  55
  56 static const struct snd_soc_dapm_route rt712_sdca_map[] = {
  57         { "Headphone", NULL, "rt712 HP" },
  58         { "rt712 MIC2", NULL, "Headset Mic" },
  59 };
  60
  61 static const struct snd_soc_dapm_route rt713_sdca_map[] = {
  62         { "Headphone", NULL, "rt713 HP" },
  63         { "rt713 MIC2", NULL, "Headset Mic" },
  64 };
  65
  66 static const struct snd_kcontrol_new rt_sdca_jack_controls[] = {
  67         SOC_DAPM_PIN_SWITCH("Headphone"),
  68         SOC_DAPM_PIN_SWITCH("Headset Mic"),
  69 };
  70
  71 static struct snd_soc_jack_pin rt_sdca_jack_pins[] = {
  72         {
  73                 .pin    = "Headphone",
  74                 .mask   = SND_JACK_HEADPHONE,
  75         },
  76         {
  77                 .pin    = "Headset Mic",
  78                 .mask   = SND_JACK_MICROPHONE,
  79         },
  80 };
  81
  82 static int rt_sdca_jack_rtd_init(struct snd_soc_pcm_runtime *rtd)
  83 {
  84         struct snd_soc_card *card = rtd->card;
  85         struct mc_private *ctx = snd_soc_card_get_drvdata(card);
  86         struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
  87         struct snd_soc_component *component = codec_dai->component;
  88         struct snd_soc_jack *jack;
  89         int ret;
  90
  91         card->components = devm_kasprintf(card->dev, GFP_KERNEL,
  92                                           "%s hs:%s-sdca",
  93                                           card->components, component->name_prefix);
  94         if (!card->components)
  95                 return -ENOMEM;
  96
  97         ret = snd_soc_add_card_controls(card, rt_sdca_jack_controls,
  98                                         ARRAY_SIZE(rt_sdca_jack_controls));
  99         if (ret) {
 100                 dev_err(card->dev, "rt sdca jack controls addition failed: %d\n", ret);
 101                 return ret;
 102         }
 103
 104         ret = snd_soc_dapm_new_controls(&card->dapm, rt_sdca_jack_widgets,
 105                                         ARRAY_SIZE(rt_sdca_jack_widgets));
 106         if (ret) {
 107                 dev_err(card->dev, "rt sdca jack widgets addition failed: %d\n", ret);
 108                 return ret;
 109         }
 110
 111         if (strstr(component->name_prefix, "rt711")) {
 112                 ret = snd_soc_dapm_add_routes(&card->dapm, rt711_sdca_map,
 113                                               ARRAY_SIZE(rt711_sdca_map));
 114         } else if (strstr(component->name_prefix, "rt712")) {
 115                 ret = snd_soc_dapm_add_routes(&card->dapm, rt712_sdca_map,
 116                                               ARRAY_SIZE(rt712_sdca_map));
 117         } else if (strstr(component->name_prefix, "rt713")) {
 118                 ret = snd_soc_dapm_add_routes(&card->dapm, rt713_sdca_map,
 119                                               ARRAY_SIZE(rt713_sdca_map));
 120         } else {
 121                 dev_err(card->dev, "%s is not supported\n", component->name_prefix);
 122                 return -EINVAL;
 123         }
 124
 125         if (ret) {
 126                 dev_err(card->dev, "rt sdca jack map addition failed: %d\n", ret);
 127                 return ret;
 128         }
 129
 130         ret = snd_soc_card_jack_new_pins(rtd->card, "Headset Jack",
 131                                          SND_JACK_HEADSET | SND_JACK_BTN_0 |
 132                                          SND_JACK_BTN_1 | SND_JACK_BTN_2 |
 133                                          SND_JACK_BTN_3,
 134                                          &ctx->sdw_headset,
 135                                          rt_sdca_jack_pins,
 136                                          ARRAY_SIZE(rt_sdca_jack_pins));
 137         if (ret) {
 138                 dev_err(rtd->card->dev, "Headset Jack creation failed: %d\n",
 139                         ret);
 140                 return ret;
 141         }
 142
 143         jack = &ctx->sdw_headset;
 144
 145         snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
 146         snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
 147         snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
 148         snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
 149
 150         ret = snd_soc_component_set_jack(component, jack, NULL);
 151
 152         if (ret)
 153                 dev_err(rtd->card->dev, "Headset Jack call-back failed: %d\n",
 154                         ret);
 155
 156         return ret;
 157 }
 158
 159 int sof_sdw_rt_sdca_jack_exit(struct snd_soc_card *card, struct snd_soc_dai_link *dai_link)
 160 {
 161         struct mc_private *ctx = snd_soc_card_get_drvdata(card);
 162
 163         if (!ctx->headset_codec_dev)
 164                 return 0;
 165
 166         if (!SOF_JACK_JDSRC(sof_sdw_quirk))
 167                 return 0;
 168
 169         device_remove_software_node(ctx->headset_codec_dev);
 170         put_device(ctx->headset_codec_dev);
 171
 172         return 0;
 173 }
 174
 175 int sof_sdw_rt_sdca_jack_init(struct snd_soc_card *card,
 176                               const struct snd_soc_acpi_link_adr *link,
 177                               struct snd_soc_dai_link *dai_links,
 178                               struct sof_sdw_codec_info *info,
 179                               bool playback)
 180 {
 181         struct mc_private *ctx = snd_soc_card_get_drvdata(card);
 182         struct device *sdw_dev;
 183         int ret;
 184
 185         /*
 186          * headset should be initialized once.
 187          * Do it with dai link for playback.
 188          */
 189         if (!playback)
 190                 return 0;
 191
 192         sdw_dev = bus_find_device_by_name(&sdw_bus_type, NULL, dai_links->codecs[0].name);
 193         if (!sdw_dev)
 194                 return -EPROBE_DEFER;
 195
 196         ret = rt_sdca_jack_add_codec_device_props(sdw_dev);
 197         if (ret < 0) {
 198                 put_device(sdw_dev);
 199                 return ret;
 200         }
 201         ctx->headset_codec_dev = sdw_dev;
 202
 203         dai_links->init = rt_sdca_jack_rtd_init;
 204
 205         return 0;
 206 }