131 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			131 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0-only
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| // Copyright (c) 2020 Intel Corporation
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| 
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| /*
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|  *  sof_sdw_rt5682 - Helpers to handle RT5682 from generic machine driver
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|  */
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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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| static const struct snd_soc_dapm_widget rt5682_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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| 
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| static const struct snd_soc_dapm_route rt5682_map[] = {
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| 	/*Headphones*/
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| 	{ "Headphone", NULL, "rt5682 HPOL" },
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| 	{ "Headphone", NULL, "rt5682 HPOR" },
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| 	{ "rt5682 IN1P", NULL, "Headset Mic" },
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| };
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| 
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| static const struct snd_kcontrol_new rt5682_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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| 
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| static struct snd_soc_jack_pin rt5682_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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| 
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| static int rt5682_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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| 
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| 	card->components = devm_kasprintf(card->dev, GFP_KERNEL,
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| 					  "%s hs:rt5682",
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| 					  card->components);
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| 	if (!card->components)
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| 		return -ENOMEM;
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| 
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| 	ret = snd_soc_add_card_controls(card, rt5682_controls,
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| 					ARRAY_SIZE(rt5682_controls));
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| 	if (ret) {
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| 		dev_err(card->dev, "rt5682 control addition failed: %d\n", ret);
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| 		return ret;
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| 	}
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| 
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| 	ret = snd_soc_dapm_new_controls(&card->dapm, rt5682_widgets,
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| 					ARRAY_SIZE(rt5682_widgets));
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| 	if (ret) {
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| 		dev_err(card->dev, "rt5682 widgets addition failed: %d\n", ret);
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| 		return ret;
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| 	}
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| 
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| 	ret = snd_soc_dapm_add_routes(&card->dapm, rt5682_map,
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| 				      ARRAY_SIZE(rt5682_map));
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| 
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| 	if (ret) {
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| 		dev_err(card->dev, "rt5682 map addition failed: %d\n", ret);
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| 		return ret;
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| 	}
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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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| 					 rt5682_jack_pins,
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| 					 ARRAY_SIZE(rt5682_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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| 
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| 	jack = &ctx->sdw_headset;
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| 
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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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| 
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| 	ret = snd_soc_component_set_jack(component, jack, NULL);
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| 
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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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| 
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| 	return ret;
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| }
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| 
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| int sof_sdw_rt5682_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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| 	/*
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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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| 
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| 	dai_links->init = rt5682_rtd_init;
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| 
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| 	return 0;
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| }
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