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183 lines
4.6 KiB
183 lines
4.6 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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// Copyright (c) 2020 Intel Corporation |
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/* |
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* sof_sdw_rt711_sdca - Helpers to handle RT711-SDCA from generic machine driver |
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*/ |
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#include <linux/device.h> |
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#include <linux/errno.h> |
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#include <linux/input.h> |
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#include <linux/soundwire/sdw.h> |
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#include <linux/soundwire/sdw_type.h> |
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#include <sound/control.h> |
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#include <sound/soc.h> |
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#include <sound/soc-acpi.h> |
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#include <sound/soc-dapm.h> |
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#include <sound/jack.h> |
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#include "sof_sdw_common.h" |
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/* |
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* Note this MUST be called before snd_soc_register_card(), so that the props |
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* are in place before the codec component driver's probe function parses them. |
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*/ |
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static int rt711_sdca_add_codec_device_props(struct device *sdw_dev) |
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{ |
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struct property_entry props[MAX_NO_PROPS] = {}; |
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struct fwnode_handle *fwnode; |
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int ret; |
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if (!SOF_RT711_JDSRC(sof_sdw_quirk)) |
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return 0; |
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props[0] = PROPERTY_ENTRY_U32("realtek,jd-src", SOF_RT711_JDSRC(sof_sdw_quirk)); |
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fwnode = fwnode_create_software_node(props, NULL); |
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if (IS_ERR(fwnode)) |
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return PTR_ERR(fwnode); |
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ret = device_add_software_node(sdw_dev, to_software_node(fwnode)); |
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fwnode_handle_put(fwnode); |
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return ret; |
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} |
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static const struct snd_soc_dapm_widget rt711_sdca_widgets[] = { |
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SND_SOC_DAPM_HP("Headphone", NULL), |
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SND_SOC_DAPM_MIC("Headset Mic", NULL), |
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}; |
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static const struct snd_soc_dapm_route rt711_sdca_map[] = { |
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/* Headphones */ |
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{ "Headphone", NULL, "rt711 HP" }, |
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{ "rt711 MIC2", NULL, "Headset Mic" }, |
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}; |
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static const struct snd_kcontrol_new rt711_sdca_controls[] = { |
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SOC_DAPM_PIN_SWITCH("Headphone"), |
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SOC_DAPM_PIN_SWITCH("Headset Mic"), |
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}; |
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static struct snd_soc_jack_pin rt711_sdca_jack_pins[] = { |
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{ |
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.pin = "Headphone", |
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.mask = SND_JACK_HEADPHONE, |
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}, |
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{ |
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.pin = "Headset Mic", |
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.mask = SND_JACK_MICROPHONE, |
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}, |
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}; |
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static int rt711_sdca_rtd_init(struct snd_soc_pcm_runtime *rtd) |
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{ |
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struct snd_soc_card *card = rtd->card; |
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struct mc_private *ctx = snd_soc_card_get_drvdata(card); |
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struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); |
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struct snd_soc_component *component = codec_dai->component; |
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struct snd_soc_jack *jack; |
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int ret; |
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card->components = devm_kasprintf(card->dev, GFP_KERNEL, |
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"%s hs:rt711-sdca", |
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card->components); |
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if (!card->components) |
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return -ENOMEM; |
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ret = snd_soc_add_card_controls(card, rt711_sdca_controls, |
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ARRAY_SIZE(rt711_sdca_controls)); |
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if (ret) { |
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dev_err(card->dev, "rt711-sdca controls addition failed: %d\n", ret); |
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return ret; |
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} |
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ret = snd_soc_dapm_new_controls(&card->dapm, rt711_sdca_widgets, |
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ARRAY_SIZE(rt711_sdca_widgets)); |
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if (ret) { |
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dev_err(card->dev, "rt711-sdca widgets addition failed: %d\n", ret); |
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return ret; |
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} |
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ret = snd_soc_dapm_add_routes(&card->dapm, rt711_sdca_map, |
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ARRAY_SIZE(rt711_sdca_map)); |
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if (ret) { |
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dev_err(card->dev, "rt711-sdca map addition failed: %d\n", ret); |
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return ret; |
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} |
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ret = snd_soc_card_jack_new_pins(rtd->card, "Headset Jack", |
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SND_JACK_HEADSET | SND_JACK_BTN_0 | |
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SND_JACK_BTN_1 | SND_JACK_BTN_2 | |
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SND_JACK_BTN_3, |
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&ctx->sdw_headset, |
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rt711_sdca_jack_pins, |
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ARRAY_SIZE(rt711_sdca_jack_pins)); |
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if (ret) { |
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dev_err(rtd->card->dev, "Headset Jack creation failed: %d\n", |
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ret); |
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return ret; |
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} |
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jack = &ctx->sdw_headset; |
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snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE); |
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snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND); |
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snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP); |
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snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN); |
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ret = snd_soc_component_set_jack(component, jack, NULL); |
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if (ret) |
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dev_err(rtd->card->dev, "Headset Jack call-back failed: %d\n", |
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ret); |
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return ret; |
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} |
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int sof_sdw_rt711_sdca_exit(struct snd_soc_card *card, struct snd_soc_dai_link *dai_link) |
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{ |
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struct mc_private *ctx = snd_soc_card_get_drvdata(card); |
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if (!ctx->headset_codec_dev) |
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return 0; |
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device_remove_software_node(ctx->headset_codec_dev); |
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put_device(ctx->headset_codec_dev); |
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return 0; |
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} |
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int sof_sdw_rt711_sdca_init(struct snd_soc_card *card, |
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const struct snd_soc_acpi_link_adr *link, |
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struct snd_soc_dai_link *dai_links, |
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struct sof_sdw_codec_info *info, |
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bool playback) |
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{ |
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struct mc_private *ctx = snd_soc_card_get_drvdata(card); |
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struct device *sdw_dev; |
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int ret; |
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/* |
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* headset should be initialized once. |
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* Do it with dai link for playback. |
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*/ |
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if (!playback) |
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return 0; |
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sdw_dev = bus_find_device_by_name(&sdw_bus_type, NULL, dai_links->codecs[0].name); |
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if (!sdw_dev) |
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return -EPROBE_DEFER; |
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ret = rt711_sdca_add_codec_device_props(sdw_dev); |
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if (ret < 0) { |
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put_device(sdw_dev); |
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return ret; |
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} |
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ctx->headset_codec_dev = sdw_dev; |
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dai_links->init = rt711_sdca_rtd_init; |
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return 0; |
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}
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