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Configure the speaker gpio pin based on power sequence of the DAPM speaker events. Enable speaker after widget power up and Disable before widget powerdown. Signed-off-by: V sujith kumar Reddy <vsujithkumar.reddy@amd.com> Link: https://lore.kernel.org/r/20211224150058.2444776-1-vsujithkumar.reddy@amd.com Signed-off-by: Mark Brown <broonie@kernel.org>
118 lines
2.9 KiB
C
118 lines
2.9 KiB
C
// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
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//
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// This file is provided under a dual BSD/GPLv2 license. When using or
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// redistributing this file, you may do so under either license.
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//
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// Copyright(c) 2021 Advanced Micro Devices, Inc.
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//
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// Authors: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com>
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//
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/*
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* Machine Driver Legacy Support for ACP HW block
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*/
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#include <sound/core.h>
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#include <sound/pcm_params.h>
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#include <sound/soc-acpi.h>
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#include <sound/soc-dapm.h>
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#include <linux/module.h>
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#include "acp-mach.h"
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static struct acp_card_drvdata rt5682_rt1019_data = {
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.hs_cpu_id = I2S_SP,
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.amp_cpu_id = I2S_SP,
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.dmic_cpu_id = NONE,
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.hs_codec_id = RT5682,
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.amp_codec_id = RT1019,
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.dmic_codec_id = NONE,
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.gpio_spkr_en = EN_SPKR_GPIO_GB,
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};
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static const struct snd_kcontrol_new acp_controls[] = {
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SOC_DAPM_PIN_SWITCH("Headphone Jack"),
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SOC_DAPM_PIN_SWITCH("Headset Mic"),
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SOC_DAPM_PIN_SWITCH("Spk"),
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SOC_DAPM_PIN_SWITCH("Left Spk"),
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SOC_DAPM_PIN_SWITCH("Right Spk"),
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};
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static const struct snd_soc_dapm_widget acp_widgets[] = {
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SND_SOC_DAPM_HP("Headphone Jack", NULL),
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SND_SOC_DAPM_MIC("Headset Mic", NULL),
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SND_SOC_DAPM_SPK("Spk", event_spkr_handler),
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SND_SOC_DAPM_SPK("Left Spk", event_spkr_handler),
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SND_SOC_DAPM_SPK("Right Spk", event_spkr_handler),
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};
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static int acp_asoc_probe(struct platform_device *pdev)
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{
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struct snd_soc_card *card = NULL;
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struct device *dev = &pdev->dev;
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unsigned int spkr_gpio;
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int ret;
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if (!pdev->id_entry)
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return -EINVAL;
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card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
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if (!card)
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return -ENOMEM;
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card->dev = dev;
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card->owner = THIS_MODULE;
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card->name = pdev->id_entry->name;
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card->dapm_widgets = acp_widgets;
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card->num_dapm_widgets = ARRAY_SIZE(acp_widgets);
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card->controls = acp_controls;
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card->num_controls = ARRAY_SIZE(acp_controls);
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card->drvdata = (struct acp_card_drvdata *)pdev->id_entry->driver_data;
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spkr_gpio = ((struct acp_card_drvdata *)(card->drvdata))->gpio_spkr_en;
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acp_legacy_dai_links_create(card);
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if (gpio_is_valid(spkr_gpio)) {
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ret = devm_gpio_request(dev, spkr_gpio, "spkren");
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if (ret) {
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dev_err(dev, "(%s) gpio request failed: %d\n",
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__func__, ret);
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return ret;
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}
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gpio_direction_output(spkr_gpio, 0);
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}
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ret = devm_snd_soc_register_card(&pdev->dev, card);
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if (ret) {
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dev_err(&pdev->dev,
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"devm_snd_soc_register_card(%s) failed: %d\n",
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card->name, ret);
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return ret;
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}
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return 0;
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}
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static const struct platform_device_id board_ids[] = {
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{
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.name = "rn_rt5682_rt1019",
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.driver_data = (kernel_ulong_t)&rt5682_rt1019_data,
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},
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{ }
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};
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static struct platform_driver acp_asoc_audio = {
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.driver = {
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.name = "acp_mach",
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},
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.probe = acp_asoc_probe,
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.id_table = board_ids,
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};
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module_platform_driver(acp_asoc_audio);
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MODULE_IMPORT_NS(SND_SOC_AMD_MACH);
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MODULE_DESCRIPTION("ACP chrome audio support");
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MODULE_ALIAS("platform:rn_rt5682_rt1019");
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MODULE_LICENSE("GPL v2");
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