Unverified Commit 0a27b2d7 authored by Vijendar Mukunda's avatar Vijendar Mukunda Committed by Mark Brown
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ASoC: amd: ps: add soundwire dma irq thread callback 



Add acp pci driver Soundwire DMA irq thread callaback
for ACP6.3 platform.

Signed-off-by: default avatarVijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://patch.msgid.link/20250207062819.1527184-7-Vijendar.Mukunda@amd.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 6547577e

sound/soc/amd/ps/acp63.h

+8 −0
Original line number Diff line number Diff line
@@ -222,6 +222,7 @@ struct acp63_dev_data; 
 * @acp_init: ACP initialization

 * @acp_deinit: ACP de-initialization

 * @acp_get_config: function to read the acp pin configuration

 * @acp_sdw_dma_irq_thread: ACP SoundWire DMA interrupt thread

 * acp_suspend: ACP system level suspend callback

 * acp_resume: ACP system level resume callback

 * acp_suspend_runtime: ACP runtime suspend callback
@@ -231,6 +232,7 @@ struct acp_hw_ops { 
	int (*acp_init)(void __iomem *acp_base, struct device *dev);

	int (*acp_deinit)(void __iomem *acp_base, struct device *dev);

	void (*acp_get_config)(struct pci_dev *pci, struct acp63_dev_data *acp_data);

	void (*acp_sdw_dma_irq_thread)(struct acp63_dev_data *acp_data);

	int (*acp_suspend)(struct device *dev);

	int (*acp_resume)(struct device *dev);

	int (*acp_suspend_runtime)(struct device *dev);
@@ -311,6 +313,12 @@ static inline void acp_hw_get_config(struct pci_dev *pci, struct acp63_dev_data 
		ACP_HW_OPS(adata, acp_get_config)(pci, adata);

}



static inline void acp_hw_sdw_dma_irq_thread(struct acp63_dev_data *adata)

{

	if (adata && adata->hw_ops && adata->hw_ops->acp_sdw_dma_irq_thread)

		ACP_HW_OPS(adata, acp_sdw_dma_irq_thread)(adata);

}



static inline int acp_hw_suspend(struct device *dev)

{

	struct acp63_dev_data *adata = dev_get_drvdata(dev);

sound/soc/amd/ps/pci-ps.c

+1 −18
Original line number Diff line number Diff line
@@ -23,26 +23,9 @@ 


static irqreturn_t acp63_irq_thread(int irq, void *context)

{

	struct sdw_dma_dev_data *sdw_data;

	struct acp63_dev_data *adata = context;

	u32 stream_id;



	sdw_data = dev_get_drvdata(&adata->sdw_dma_dev->dev);



	for (stream_id = 0; stream_id < ACP63_SDW0_DMA_MAX_STREAMS; stream_id++) {

		if (adata->acp63_sdw0_dma_intr_stat[stream_id]) {

			if (sdw_data->acp63_sdw0_dma_stream[stream_id])

				snd_pcm_period_elapsed(sdw_data->acp63_sdw0_dma_stream[stream_id]);

			adata->acp63_sdw0_dma_intr_stat[stream_id] = 0;

		}

	}

	for (stream_id = 0; stream_id < ACP63_SDW1_DMA_MAX_STREAMS; stream_id++) {

		if (adata->acp63_sdw1_dma_intr_stat[stream_id]) {

			if (sdw_data->acp63_sdw1_dma_stream[stream_id])

				snd_pcm_period_elapsed(sdw_data->acp63_sdw1_dma_stream[stream_id]);

			adata->acp63_sdw1_dma_intr_stat[stream_id] = 0;

		}

	}

	acp_hw_sdw_dma_irq_thread(adata);

	return IRQ_HANDLED;

}

sound/soc/amd/ps/ps-common.c

+25 −0
Original line number Diff line number Diff line
@@ -15,6 +15,7 @@ 
#include <linux/pci.h>

#include <linux/platform_device.h>

#include <linux/pm_runtime.h>

#include <sound/pcm_params.h>



#include "acp63.h"
@@ -211,11 +212,35 @@ static int __maybe_unused snd_acp63_resume(struct device *dev) 
	return ret;

}



static void acp63_sdw_dma_irq_thread(struct acp63_dev_data *adata)

{

	struct sdw_dma_dev_data *sdw_data;

	u32 stream_id;



	sdw_data = dev_get_drvdata(&adata->sdw_dma_dev->dev);



	for (stream_id = 0; stream_id < ACP63_SDW0_DMA_MAX_STREAMS; stream_id++) {

		if (adata->acp63_sdw0_dma_intr_stat[stream_id]) {

			if (sdw_data->acp63_sdw0_dma_stream[stream_id])

				snd_pcm_period_elapsed(sdw_data->acp63_sdw0_dma_stream[stream_id]);

			adata->acp63_sdw0_dma_intr_stat[stream_id] = 0;

		}

	}

	for (stream_id = 0; stream_id < ACP63_SDW1_DMA_MAX_STREAMS; stream_id++) {

		if (adata->acp63_sdw1_dma_intr_stat[stream_id]) {

			if (sdw_data->acp63_sdw1_dma_stream[stream_id])

				snd_pcm_period_elapsed(sdw_data->acp63_sdw1_dma_stream[stream_id]);

			adata->acp63_sdw1_dma_intr_stat[stream_id] = 0;

		}

	}

}



void acp63_hw_init_ops(struct acp_hw_ops *hw_ops)

{

	hw_ops->acp_init = acp63_init;

	hw_ops->acp_deinit = acp63_deinit;

	hw_ops->acp_get_config = acp63_get_config;

	hw_ops->acp_sdw_dma_irq_thread = acp63_sdw_dma_irq_thread;

	hw_ops->acp_suspend = snd_acp63_suspend;

	hw_ops->acp_resume = snd_acp63_resume;

	hw_ops->acp_suspend_runtime = snd_acp63_suspend;