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
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+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);
+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;
}

+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;