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// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
//
// This file is provided under a dual BSD/GPLv2 license. When using or
// redistributing this file, you may do so under either license.
//
// Copyright(c) 2021 Advanced Micro Devices, Inc.
//
// Authors: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com>
//
/*
* SOF Machine Driver Support for ACP HW block
*/
#include <sound/core.h>
#include <sound/pcm_params.h>
#include <sound/soc-acpi.h>
#include <sound/soc-dapm.h>
#include <linux/module.h>
#include "acp-mach.h"
static struct acp_card_drvdata sof_rt5682_rt1019_data = {
.hs_cpu_id = I2S_SP,
.amp_cpu_id = I2S_SP,
.dmic_cpu_id = DMIC,
.hs_codec_id = RT5682,
.amp_codec_id = RT1019,
.dmic_codec_id = DMIC,
.gpio_spkr_en = EN_SPKR_GPIO_GB,
};
static struct acp_card_drvdata sof_rt5682_max_data = {
.hs_cpu_id = I2S_SP,
.amp_cpu_id = I2S_SP,
.dmic_cpu_id = DMIC,
.hs_codec_id = RT5682,
.amp_codec_id = MAX98360A,
.dmic_codec_id = DMIC,
.gpio_spkr_en = EN_SPKR_GPIO_NONE,
};
static struct acp_card_drvdata sof_rt5682s_max_data = {
.hs_cpu_id = I2S_SP,
.amp_cpu_id = I2S_SP,
.dmic_cpu_id = DMIC,
.hs_codec_id = RT5682S,
.amp_codec_id = MAX98360A,
.dmic_codec_id = DMIC,
.gpio_spkr_en = EN_SPKR_GPIO_NONE,
};
static const struct snd_kcontrol_new acp_controls[] = {
SOC_DAPM_PIN_SWITCH("Headphone Jack"),
SOC_DAPM_PIN_SWITCH("Headset Mic"),
SOC_DAPM_PIN_SWITCH("Spk"),
SOC_DAPM_PIN_SWITCH("Left Spk"),
SOC_DAPM_PIN_SWITCH("Right Spk"),
};
static const struct snd_soc_dapm_widget acp_widgets[] = {
SND_SOC_DAPM_HP("Headphone Jack", NULL),
SND_SOC_DAPM_MIC("Headset Mic", NULL),
SND_SOC_DAPM_SPK("Spk", event_spkr_handler),
SND_SOC_DAPM_SPK("Left Spk", event_spkr_handler),
SND_SOC_DAPM_SPK("Right Spk", event_spkr_handler),
};
static int acp_sof_probe(struct platform_device *pdev)
{
struct snd_soc_card *card = NULL;
struct device *dev = &pdev->dev;
unsigned int spkr_gpio;
int ret;
if (!pdev->id_entry)
return -EINVAL;
card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
if (!card)
return -ENOMEM;
card->dev = dev;
card->owner = THIS_MODULE;
card->name = pdev->id_entry->name;
card->dapm_widgets = acp_widgets;
card->num_dapm_widgets = ARRAY_SIZE(acp_widgets);
card->controls = acp_controls;
card->num_controls = ARRAY_SIZE(acp_controls);
card->drvdata = (struct acp_card_drvdata *)pdev->id_entry->driver_data;
spkr_gpio = ((struct acp_card_drvdata *)(card->drvdata))->gpio_spkr_en;
acp_sofdsp_dai_links_create(card);
if (gpio_is_valid(spkr_gpio)) {
ret = devm_gpio_request(dev, spkr_gpio, "spkren");
if (ret) {
dev_err(dev, "(%s) gpio request failed: %d\n",
__func__, ret);
return ret;
}
gpio_direction_output(spkr_gpio, 0);
}
ret = devm_snd_soc_register_card(&pdev->dev, card);
if (ret) {
dev_err(&pdev->dev,
"devm_snd_soc_register_card(%s) failed: %d\n",
card->name, ret);
return ret;
}
return 0;
}
static const struct platform_device_id board_ids[] = {
{
.name = "rt5682-rt1019",
.driver_data = (kernel_ulong_t)&sof_rt5682_rt1019_data
},
{
.name = "rt5682-max",
.driver_data = (kernel_ulong_t)&sof_rt5682_max_data
},
{
.name = "rt5682s-max",
.driver_data = (kernel_ulong_t)&sof_rt5682s_max_data
},
{ }
};
static struct platform_driver acp_asoc_audio = {
.driver = {
.name = "sof_mach",
},
.probe = acp_sof_probe,
.id_table = board_ids,
};
module_platform_driver(acp_asoc_audio);
MODULE_IMPORT_NS(SND_SOC_AMD_MACH);
MODULE_DESCRIPTION("ACP chrome SOF audio support");
MODULE_ALIAS("platform:rt5682-rt1019");
MODULE_ALIAS("platform:rt5682-max");
MODULE_ALIAS("platform:rt5682s-max");
MODULE_LICENSE("GPL v2");
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