sound/soc/sdw_utils/soc_sdw_rt_sdca_jack_common.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 // This file incorporates work covered by the following copyright notice:
   3 // Copyright (c) 2020 Intel Corporation
   4 // Copyright (c) 2024 Advanced Micro Devices, Inc.
   5
   6 /*
   7  *  soc_sdw_rt711_sdca - Helpers to handle RT711-SDCA from generic machine driver
   8  */
   9
  10 #include <linux/device.h>
  11 #include <linux/errno.h>
  12 #include <linux/input.h>
  13 #include <linux/soundwire/sdw.h>
  14 #include <linux/soundwire/sdw_type.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 <sound/jack.h>
  20 #include <sound/soc_sdw_utils.h>
  21
  22 /*
  23  * Note this MUST be called before snd_soc_register_card(), so that the props
  24  * are in place before the codec component driver's probe function parses them.
  25  */
  26 static int rt_sdca_jack_add_codec_device_props(struct device *sdw_dev, unsigned long quirk)
  27 {
  28         struct property_entry props[SOC_SDW_MAX_NO_PROPS] = {};
  29         struct fwnode_handle *fwnode;
  30         int ret;
  31
  32         if (!SOC_SDW_JACK_JDSRC(quirk))
  33                 return 0;
  34
  35         props[0] = PROPERTY_ENTRY_U32("realtek,jd-src", SOC_SDW_JACK_JDSRC(quirk));
  36
  37         fwnode = fwnode_create_software_node(props, NULL);
  38         if (IS_ERR(fwnode))
  39                 return PTR_ERR(fwnode);
  40
  41         ret = device_add_software_node(sdw_dev, to_software_node(fwnode));
  42
  43         fwnode_handle_put(fwnode);
  44
  45         return ret;
  46 }
  47
  48 static const struct snd_soc_dapm_route rt711_sdca_map[] = {
  49         { "Headphone", NULL, "rt711 HP" },
  50         { "rt711 MIC2", NULL, "Headset Mic" },
  51 };
  52
  53 static const struct snd_soc_dapm_route rt712_sdca_map[] = {
  54         { "Headphone", NULL, "rt712 HP" },
  55         { "rt712 MIC2", NULL, "Headset Mic" },
  56 };
  57
  58 static const struct snd_soc_dapm_route rt713_sdca_map[] = {
  59         { "Headphone", NULL, "rt713 HP" },
  60         { "rt713 MIC2", NULL, "Headset Mic" },
  61 };
  62
  63 static const struct snd_soc_dapm_route rt721_sdca_map[] = {
  64         { "Headphone", NULL, "rt721 HP" },
  65         { "rt721 MIC2", NULL, "Headset Mic" },
  66 };
  67
  68 static const struct snd_soc_dapm_route rt722_sdca_map[] = {
  69         { "Headphone", NULL, "rt722 HP" },
  70         { "rt722 MIC2", NULL, "Headset Mic" },
  71 };
  72
  73 static struct snd_soc_jack_pin rt_sdca_jack_pins[] = {
  74         {
  75                 .pin    = "Headphone",
  76                 .mask   = SND_JACK_HEADPHONE,
  77         },
  78         {
  79                 .pin    = "Headset Mic",
  80                 .mask   = SND_JACK_MICROPHONE,
  81         },
  82 };
  83
  84 /*
  85  * The sdca suffix is required for rt711 since there are two generations of the same chip.
  86  * RT713 is an SDCA device but the sdca suffix is required for backwards-compatibility with
  87  * previous UCM definitions.
  88  */
  89 static const char * const need_sdca_suffix[] = {
  90         "rt711", "rt713"
  91 };
  92
  93 int asoc_sdw_rt_sdca_jack_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai)
  94 {
  95         struct snd_soc_card *card = rtd->card;
  96         struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card);
  97         struct snd_soc_component *component;
  98         struct snd_soc_jack *jack;
  99         int ret;
 100         int i;
 101
 102         component = dai->component;
 103         card->components = devm_kasprintf(card->dev, GFP_KERNEL,
 104                                           "%s hs:%s",
 105                                           card->components, component->name_prefix);
 106         if (!card->components)
 107                 return -ENOMEM;
 108
 109         for (i = 0; i < ARRAY_SIZE(need_sdca_suffix); i++) {
 110                 if (strstr(component->name_prefix, need_sdca_suffix[i])) {
 111                         /* Add -sdca suffix for existing UCMs */
 112                         card->components = devm_kasprintf(card->dev, GFP_KERNEL,
 113                                                           "%s-sdca", card->components);
 114                         if (!card->components)
 115                                 return -ENOMEM;
 116                         break;
 117                 }
 118         }
 119
 120         if (strstr(component->name_prefix, "rt711")) {
 121                 ret = snd_soc_dapm_add_routes(&card->dapm, rt711_sdca_map,
 122                                               ARRAY_SIZE(rt711_sdca_map));
 123         } else if (strstr(component->name_prefix, "rt712")) {
 124                 ret = snd_soc_dapm_add_routes(&card->dapm, rt712_sdca_map,
 125                                               ARRAY_SIZE(rt712_sdca_map));
 126         } else if (strstr(component->name_prefix, "rt713")) {
 127                 ret = snd_soc_dapm_add_routes(&card->dapm, rt713_sdca_map,
 128                                               ARRAY_SIZE(rt713_sdca_map));
 129         } else if (strstr(component->name_prefix, "rt721")) {
 130                 ret = snd_soc_dapm_add_routes(&card->dapm, rt721_sdca_map,
 131                                               ARRAY_SIZE(rt721_sdca_map));
 132         } else if (strstr(component->name_prefix, "rt722")) {
 133                 ret = snd_soc_dapm_add_routes(&card->dapm, rt722_sdca_map,
 134                                               ARRAY_SIZE(rt722_sdca_map));
 135         } else {
 136                 dev_err(card->dev, "%s is not supported\n", component->name_prefix);
 137                 return -EINVAL;
 138         }
 139
 140         if (ret) {
 141                 dev_err(card->dev, "rt sdca jack map addition failed: %d\n", ret);
 142                 return ret;
 143         }
 144
 145         ret = snd_soc_card_jack_new_pins(rtd->card, "Headset Jack",
 146                                          SND_JACK_HEADSET | SND_JACK_BTN_0 |
 147                                          SND_JACK_BTN_1 | SND_JACK_BTN_2 |
 148                                          SND_JACK_BTN_3,
 149                                          &ctx->sdw_headset,
 150                                          rt_sdca_jack_pins,
 151                                          ARRAY_SIZE(rt_sdca_jack_pins));
 152         if (ret) {
 153                 dev_err(rtd->card->dev, "Headset Jack creation failed: %d\n",
 154                         ret);
 155                 return ret;
 156         }
 157
 158         jack = &ctx->sdw_headset;
 159
 160         snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
 161         snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
 162         snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
 163         snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
 164
 165         ret = snd_soc_component_set_jack(component, jack, NULL);
 166
 167         if (ret)
 168                 dev_err(rtd->card->dev, "Headset Jack call-back failed: %d\n",
 169                         ret);
 170
 171         return ret;
 172 }
 173 EXPORT_SYMBOL_NS(asoc_sdw_rt_sdca_jack_rtd_init, "SND_SOC_SDW_UTILS");
 174
 175 int asoc_sdw_rt_sdca_jack_exit(struct snd_soc_card *card, struct snd_soc_dai_link *dai_link)
 176 {
 177         struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card);
 178
 179         if (!ctx->headset_codec_dev)
 180                 return 0;
 181
 182         if (!SOC_SDW_JACK_JDSRC(ctx->mc_quirk))
 183                 return 0;
 184
 185         device_remove_software_node(ctx->headset_codec_dev);
 186         put_device(ctx->headset_codec_dev);
 187         ctx->headset_codec_dev = NULL;
 188
 189         return 0;
 190 }
 191 EXPORT_SYMBOL_NS(asoc_sdw_rt_sdca_jack_exit, "SND_SOC_SDW_UTILS");
 192
 193 int asoc_sdw_rt_sdca_jack_init(struct snd_soc_card *card,
 194                                struct snd_soc_dai_link *dai_links,
 195                                struct asoc_sdw_codec_info *info,
 196                                bool playback)
 197 {
 198         struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card);
 199         struct device *sdw_dev;
 200         int ret;
 201
 202         /*
 203          * Jack detection should be only initialized once for headsets since
 204          * the playback/capture is sharing the same jack
 205          */
 206         if (ctx->headset_codec_dev)
 207                 return 0;
 208
 209         sdw_dev = bus_find_device_by_name(&sdw_bus_type, NULL, dai_links->codecs[0].name);
 210         if (!sdw_dev)
 211                 return -EPROBE_DEFER;
 212
 213         ret = rt_sdca_jack_add_codec_device_props(sdw_dev, ctx->mc_quirk);
 214         if (ret < 0) {
 215                 put_device(sdw_dev);
 216                 return ret;
 217         }
 218         ctx->headset_codec_dev = sdw_dev;
 219
 220         return 0;
 221 }
 222 EXPORT_SYMBOL_NS(asoc_sdw_rt_sdca_jack_init, "SND_SOC_SDW_UTILS");