Unverified Commit c95a2a0b authored by Syed Saba Kareem's avatar Syed Saba Kareem Committed by Mark Brown
Browse files

ASoC: amd: acp: add pm ops support for renoir platform. 



Add pm ops for renoir platform.

Signed-off-by: default avatarSyed Saba Kareem <Syed.SabaKareem@amd.com>
Reviewed-by: default avatarMario Limonciello <mario.limonciello@amd.com>
Link: https://msgid.link/r/20231215130300.1247475-1-Syed.SabaKareem@amd.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent c27032b4

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

+37 −0
Original line number Diff line number Diff line
@@ -20,6 +20,7 @@ 
#include <sound/soc.h>

#include <sound/soc-dai.h>

#include <linux/dma-mapping.h>

#include <linux/pm_runtime.h>



#include "amd.h"

#include "acp-mach.h"
@@ -196,6 +197,11 @@ static int renoir_audio_probe(struct platform_device *pdev) 
	acp_enable_interrupts(adata);

	acp_platform_register(dev);



	pm_runtime_set_autosuspend_delay(&pdev->dev, ACP_SUSPEND_DELAY_MS);

	pm_runtime_use_autosuspend(&pdev->dev);

	pm_runtime_mark_last_busy(&pdev->dev);

	pm_runtime_set_active(&pdev->dev);

	pm_runtime_enable(&pdev->dev);

	return 0;

}
@@ -208,11 +214,42 @@ static void renoir_audio_remove(struct platform_device *pdev) 
	acp_platform_unregister(dev);

}



static int __maybe_unused rn_pcm_resume(struct device *dev)

{

	struct acp_dev_data *adata = dev_get_drvdata(dev);

	struct acp_stream *stream;

	struct snd_pcm_substream *substream;

	snd_pcm_uframes_t buf_in_frames;

	u64 buf_size;



	spin_lock(&adata->acp_lock);

	list_for_each_entry(stream, &adata->stream_list, list) {

		substream = stream->substream;

		if (substream && substream->runtime) {

			buf_in_frames = (substream->runtime->buffer_size);

			buf_size = frames_to_bytes(substream->runtime, buf_in_frames);

			config_pte_for_stream(adata, stream);

			config_acp_dma(adata, stream, buf_size);

			if (stream->dai_id)

				restore_acp_i2s_params(substream, adata, stream);

			else

				restore_acp_pdm_params(substream, adata);

		}

	}

	spin_unlock(&adata->acp_lock);

	return 0;

}



static const struct dev_pm_ops rn_dma_pm_ops = {

	SET_SYSTEM_SLEEP_PM_OPS(NULL, rn_pcm_resume)

};



static struct platform_driver renoir_driver = {

	.probe = renoir_audio_probe,

	.remove_new = renoir_audio_remove,

	.driver = {

		.name = "acp_asoc_renoir",

		.pm = &rn_dma_pm_ops,

	},

};