// SPDX-License-Identifier: GPL-2.0-only // Copyright (c) 2020 Intel Corporation /* * sof_sdw_rt711 - Helpers to handle RT711 from generic machine driver */ #include <linux/device.h> #include <linux/errno.h> #include <linux/input.h> #include <linux/soundwire/sdw.h> #include <linux/soundwire/sdw_type.h> #include <sound/control.h> #include <sound/soc.h> #include <sound/soc-acpi.h> #include <sound/soc-dapm.h> #include <sound/jack.h> #include "sof_sdw_common.h" /* * Note this MUST be called before snd_soc_register_card(), so that the props * are in place before the codec component driver's probe function parses them. */ static int rt711_add_codec_device_props(struct device *sdw_dev) { struct property_entry props[MAX_NO_PROPS] = {}; struct fwnode_handle *fwnode; int ret; if (!SOF_RT711_JDSRC(sof_sdw_quirk)) return 0; props[0] = PROPERTY_ENTRY_U32("realtek,jd-src", SOF_RT711_JDSRC(sof_sdw_quirk)); fwnode = fwnode_create_software_node(props, NULL); if (IS_ERR(fwnode)) return PTR_ERR(fwnode); ret = device_add_software_node(sdw_dev, to_software_node(fwnode)); fwnode_handle_put(fwnode); return ret; } static const struct snd_soc_dapm_widget rt711_widgets[] = { SND_SOC_DAPM_HP("Headphone", NULL), SND_SOC_DAPM_MIC("Headset Mic", NULL), }; static const struct snd_soc_dapm_route rt711_map[] = { /* Headphones */ { "Headphone", NULL, "rt711 HP" }, { "rt711 MIC2", NULL, "Headset Mic" }, }; static const struct snd_kcontrol_new rt711_controls[] = { SOC_DAPM_PIN_SWITCH("Headphone"), SOC_DAPM_PIN_SWITCH("Headset Mic"), }; static struct snd_soc_jack_pin rt711_jack_pins[] = { { .pin = "Headphone", .mask = SND_JACK_HEADPHONE, }, { .pin = "Headset Mic", .mask = SND_JACK_MICROPHONE, }, }; static int rt711_rtd_init(struct snd_soc_pcm_runtime *rtd) { struct snd_soc_card *card = rtd->card; struct mc_private *ctx = snd_soc_card_get_drvdata(card); struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); struct snd_soc_component *component = codec_dai->component; struct snd_soc_jack *jack; int ret; card->components = devm_kasprintf(card->dev, GFP_KERNEL, "%s hs:rt711", card->components); if (!card->components) return -ENOMEM; ret = snd_soc_add_card_controls(card, rt711_controls, ARRAY_SIZE(rt711_controls)); if (ret) { dev_err(card->dev, "rt711 controls addition failed: %d\n", ret); return ret; } ret = snd_soc_dapm_new_controls(&card->dapm, rt711_widgets, ARRAY_SIZE(rt711_widgets)); if (ret) { dev_err(card->dev, "rt711 widgets addition failed: %d\n", ret); return ret; } ret = snd_soc_dapm_add_routes(&card->dapm, rt711_map, ARRAY_SIZE(rt711_map)); if (ret) { dev_err(card->dev, "rt711 map addition failed: %d\n", ret); return ret; } ret = snd_soc_card_jack_new(rtd->card, "Headset Jack", SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2 | SND_JACK_BTN_3, &ctx->sdw_headset, rt711_jack_pins, ARRAY_SIZE(rt711_jack_pins)); if (ret) { dev_err(rtd->card->dev, "Headset Jack creation failed: %d\n", ret); return ret; } jack = &ctx->sdw_headset; snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE); snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND); snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP); snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN); ret = snd_soc_component_set_jack(component, jack, NULL); if (ret) dev_err(rtd->card->dev, "Headset Jack call-back failed: %d\n", ret); return ret; } int sof_sdw_rt711_exit(struct snd_soc_card *card, struct snd_soc_dai_link *dai_link) { struct mc_private *ctx = snd_soc_card_get_drvdata(card); device_remove_software_node(ctx->headset_codec_dev); put_device(ctx->headset_codec_dev); return 0; } int sof_sdw_rt711_init(struct snd_soc_card *card, const struct snd_soc_acpi_link_adr *link, struct snd_soc_dai_link *dai_links, struct sof_sdw_codec_info *info, bool playback) { struct mc_private *ctx = snd_soc_card_get_drvdata(card); struct device *sdw_dev; int ret; /* * headset should be initialized once. * Do it with dai link for playback. */ if (!playback) return 0; sdw_dev = bus_find_device_by_name(&sdw_bus_type, NULL, dai_links->codecs[0].name); if (!sdw_dev) return -EPROBE_DEFER; ret = rt711_add_codec_device_props(sdw_dev); if (ret < 0) { put_device(sdw_dev); return ret; } ctx->headset_codec_dev = sdw_dev; dai_links->init = rt711_rtd_init; return 0; }