Unverified Commit 58c8c843 authored by Ajit Kumar Pandey's avatar Ajit Kumar Pandey Committed by Mark Brown
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ASoC: amd: acp: Add I2S support on Renoir platform 



Add I2S dai driver for Renoir platform and register with common
acp framework to support non dsp I2S use case on Renoir.

Signed-off-by: default avatarAjit Kumar Pandey <AjitKumar.Pandey@amd.com>
Link: https://lore.kernel.org/r/20211019070938.5076-3-AjitKumar.Pandey@amd.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 623621a9

sound/soc/amd/acp/Kconfig

+8 −0
Original line number Diff line number Diff line
@@ -17,3 +17,11 @@ config SND_SOC_AMD_ACP_I2S 


config SND_SOC_AMD_ACP_PCM

	tristate



config SND_AMD_ASOC_RENOIR

	tristate "AMD ACP ASOC Renoir Support"

	select SND_SOC_AMD_ACP_PCM

	select SND_SOC_AMD_ACP_I2S

	depends on X86 && PCI

	help

	  This option enables Renoir I2S support on AMD platform.

sound/soc/amd/acp/Makefile

+5 −0
Original line number Diff line number Diff line
@@ -8,5 +8,10 @@ 
snd-acp-pcm-objs     := acp-platform.o

snd-acp-i2s-objs     := acp-i2s.o



#platform specific driver

snd-acp-renoir-objs     := acp-renoir.o



obj-$(CONFIG_SND_SOC_AMD_ACP_PCM) += snd-acp-pcm.o

obj-$(CONFIG_SND_SOC_AMD_ACP_I2S) += snd-acp-i2s.o



obj-$(CONFIG_SND_AMD_ASOC_RENOIR) += snd-acp-renoir.o

sound/soc/amd/acp/acp-renoir.c

0 → 100644
+141 −0
Original line number Diff line number Diff line 
// 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>

//



/*

 * Hardware interface for Renoir ACP block

 */



#include <linux/platform_device.h>

#include <linux/module.h>

#include <linux/err.h>

#include <linux/io.h>

#include <sound/pcm_params.h>

#include <sound/soc.h>

#include <sound/soc-dai.h>

#include <linux/dma-mapping.h>



#include "amd.h"



#define DRV_NAME "acp_asoc_renoir"



static struct snd_soc_dai_driver acp_renoir_dai[] = {

{

	.name = "acp-i2s-sp",

	.id = I2S_SP_INSTANCE,

	.playback = {

		.stream_name = "I2S SP Playback",

		.rates = SNDRV_PCM_RATE_8000_96000,

		.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |

			   SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE,

		.channels_min = 2,

		.channels_max = 8,

		.rate_min = 8000,

		.rate_max = 96000,

	},

	.capture = {

		.stream_name = "I2S SP Capture",

		.rates = SNDRV_PCM_RATE_8000_48000,

		.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |

			   SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE,

		.channels_min = 2,

		.channels_max = 2,

		.rate_min = 8000,

		.rate_max = 48000,

	},

	.ops = &asoc_acp_cpu_dai_ops,

	.probe = &asoc_acp_i2s_probe,

},

{

	.name = "acp-i2s-bt",

	.id = I2S_BT_INSTANCE,

	.playback = {

		.stream_name = "I2S BT Playback",

		.rates = SNDRV_PCM_RATE_8000_96000,

		.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |

			   SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE,

		.channels_min = 2,

		.channels_max = 8,

		.rate_min = 8000,

		.rate_max = 96000,

	},

	.capture = {

		.stream_name = "I2S BT Capture",

		.rates = SNDRV_PCM_RATE_8000_48000,

		.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |

			   SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE,

		.channels_min = 2,

		.channels_max = 2,

		.rate_min = 8000,

		.rate_max = 48000,

	},

	.ops = &asoc_acp_cpu_dai_ops,

	.probe = &asoc_acp_i2s_probe,

},

};



static int renoir_audio_probe(struct platform_device *pdev)

{

	struct device *dev = &pdev->dev;

	struct acp_dev_data *adata;

	struct resource *res;



	adata = devm_kzalloc(dev, sizeof(struct acp_dev_data), GFP_KERNEL);

	if (!adata)

		return -ENOMEM;



	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "acp_mem");

	if (!res) {

		dev_err(&pdev->dev, "IORESOURCE_MEM FAILED\n");

		return -ENODEV;

	}



	adata->acp_base = devm_ioremap(&pdev->dev, res->start, resource_size(res));

	if (!adata->acp_base)

		return -ENOMEM;



	res = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "acp_dai_irq");

	if (!res) {

		dev_err(&pdev->dev, "IORESOURCE_IRQ FAILED\n");

		return -ENODEV;

	}



	adata->i2s_irq = res->start;

	adata->dev = dev;

	adata->dai_driver = acp_renoir_dai;

	adata->num_dai = ARRAY_SIZE(acp_renoir_dai);



	dev_set_drvdata(dev, adata);

	acp_platform_register(dev);



	return 0;

}



static int renoir_audio_remove(struct platform_device *pdev)

{

	struct device *dev = &pdev->dev;



	acp_platform_unregister(dev);

	return 0;

}



static struct platform_driver renoir_driver = {

	.probe = renoir_audio_probe,

	.remove = renoir_audio_remove,

	.driver = {

		.name = "acp_asoc_renoir",

	},

};



module_platform_driver(renoir_driver);



MODULE_DESCRIPTION("AMD ACP Renoir Driver");

MODULE_IMPORT_NS(SND_SOC_ACP_COMMON);

MODULE_LICENSE("Dual BSD/GPL");

MODULE_ALIAS("platform:" DRV_NAME);