diff options
Diffstat (limited to 'sound/soc/sdw_utils/soc_sdw_rt711.c')
| -rw-r--r-- | sound/soc/sdw_utils/soc_sdw_rt711.c | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/sound/soc/sdw_utils/soc_sdw_rt711.c b/sound/soc/sdw_utils/soc_sdw_rt711.c new file mode 100644 index 000000000000..38b4126dd45f --- /dev/null +++ b/sound/soc/sdw_utils/soc_sdw_rt711.c @@ -0,0 +1,160 @@ +// SPDX-License-Identifier: GPL-2.0-only +// This file incorporates work covered by the following copyright notice: +// Copyright (c) 2020 Intel Corporation +// Copyright (c) 2024 Advanced Micro Devices, Inc. + +/* + * soc_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 <sound/soc_sdw_utils.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, unsigned long quirk) +{ + struct property_entry props[SOC_SDW_MAX_NO_PROPS] = {}; + struct fwnode_handle *fwnode; + int ret; + + if (!SOC_SDW_JACK_JDSRC(quirk)) + return 0; + props[0] = PROPERTY_ENTRY_U32("realtek,jd-src", SOC_SDW_JACK_JDSRC(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_route rt711_map[] = { + /* Headphones */ + { "Headphone", NULL, "rt711 HP" }, + { "rt711 MIC2", NULL, "Headset Mic" }, +}; + +static struct snd_soc_jack_pin rt711_jack_pins[] = { + { + .pin = "Headphone", + .mask = SND_JACK_HEADPHONE, + }, + { + .pin = "Headset Mic", + .mask = SND_JACK_MICROPHONE, + }, +}; + +int asoc_sdw_rt711_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai) +{ + struct snd_soc_card *card = rtd->card; + struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card); + struct snd_soc_component *component; + struct snd_soc_jack *jack; + int ret; + + component = dai->component; + card->components = devm_kasprintf(card->dev, GFP_KERNEL, + "%s hs:rt711", + card->components); + if (!card->components) + return -ENOMEM; + + 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_pins(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; +} +EXPORT_SYMBOL_NS(asoc_sdw_rt711_rtd_init, SND_SOC_SDW_UTILS); + +int asoc_sdw_rt711_exit(struct snd_soc_card *card, struct snd_soc_dai_link *dai_link) +{ + struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card); + + if (!ctx->headset_codec_dev) + return 0; + + device_remove_software_node(ctx->headset_codec_dev); + put_device(ctx->headset_codec_dev); + + return 0; +} +EXPORT_SYMBOL_NS(asoc_sdw_rt711_exit, SND_SOC_SDW_UTILS); + +int asoc_sdw_rt711_init(struct snd_soc_card *card, + struct snd_soc_dai_link *dai_links, + struct asoc_sdw_codec_info *info, + bool playback) +{ + struct asoc_sdw_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, ctx->mc_quirk); + if (ret < 0) { + put_device(sdw_dev); + return ret; + } + ctx->headset_codec_dev = sdw_dev; + + return 0; +} +EXPORT_SYMBOL_NS(asoc_sdw_rt711_init, SND_SOC_SDW_UTILS); |