LXR linux/sound/soc/sdw_utils/soc_sdw_rt_sdca_jack

   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 */
  26static 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
  48static const struct snd_soc_dapm_route rt711_sdca_map[] = {
  49        { "Headphone", NULL, "rt711 HP" },
  50        { "rt711 MIC2", NULL, "Headset Mic" },
  51};
  52
  53static const struct snd_soc_dapm_route rt712_sdca_map[] = {
  54        { "Headphone", NULL, "rt712 HP" },
  55        { "rt712 MIC2", NULL, "Headset Mic" },
  56};
  57
  58static const struct snd_soc_dapm_route rt713_sdca_map[] = {
  59        { "Headphone", NULL, "rt713 HP" },
  60        { "rt713 MIC2", NULL, "Headset Mic" },
  61};
  62
  63static const struct snd_soc_dapm_route rt721_sdca_map[] = {
  64        { "Headphone", NULL, "rt721 HP" },
  65        { "rt721 MIC2", NULL, "Headset Mic" },
  66};
  67
  68static const struct snd_soc_dapm_route rt722_sdca_map[] = {
  69        { "Headphone", NULL, "rt722 HP" },
  70        { "rt722 MIC2", NULL, "Headset Mic" },
  71};
  72
  73static 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 */
  89static const char * const need_sdca_suffix[] = {
  90        "rt711", "rt713"
  91};
  92
  93int 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}
 173EXPORT_SYMBOL_NS(asoc_sdw_rt_sdca_jack_rtd_init, "SND_SOC_SDW_UTILS");
 174
 175int 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}
 191EXPORT_SYMBOL_NS(asoc_sdw_rt_sdca_jack_exit, "SND_SOC_SDW_UTILS");
 192
 193int 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}
 222EXPORT_SYMBOL_NS(asoc_sdw_rt_sdca_jack_init, "SND_SOC_SDW_UTILS");
 223