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ASoC: amd: add acp6x pdm driver pm ops

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Add acp6x pdm driver pm ops.

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://lore.kernel.org/r/20211018112044.1705805-10-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Vijendar Mukunda 2021-10-18 16:50:40 +05:30 committed by Mark Brown
parent c8212df7bc
commit 4c2e711af2
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GPG Key ID: 24D68B725D5487D0
1 changed files with 57 additions and 0 deletions
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57
sound/soc/amd/yc/acp6x-pdm-dma.c
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@ -12,6 +12,7 @@
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-dai.h>
#include <linux/pm_runtime.h>
#include "acp6x.h"
@ -373,13 +374,69 @@ static int acp6x_pdm_audio_probe(struct platform_device *pdev)
return -ENODEV;
}
pm_runtime_set_autosuspend_delay(&pdev->dev, ACP_SUSPEND_DELAY_MS);
pm_runtime_use_autosuspend(&pdev->dev);
pm_runtime_enable(&pdev->dev);
pm_runtime_allow(&pdev->dev);
return 0;
}
static int acp6x_pdm_audio_remove(struct platform_device *pdev)
{
pm_runtime_disable(&pdev->dev);
return 0;
}
static int __maybe_unused acp6x_pdm_resume(struct device *dev)
{
struct pdm_dev_data *adata;
struct snd_pcm_runtime *runtime;
struct pdm_stream_instance *rtd;
u32 period_bytes, buffer_len;
adata = dev_get_drvdata(dev);
if (adata->capture_stream && adata->capture_stream->runtime) {
runtime = adata->capture_stream->runtime;
rtd = runtime->private_data;
period_bytes = frames_to_bytes(runtime, runtime->period_size);
buffer_len = frames_to_bytes(runtime, runtime->buffer_size);
acp6x_config_dma(rtd, SNDRV_PCM_STREAM_CAPTURE);
acp6x_init_pdm_ring_buffer(PDM_MEM_WINDOW_START, buffer_len,
period_bytes, adata->acp6x_base);
}
acp6x_enable_pdm_interrupts(adata->acp6x_base);
return 0;
}
static int __maybe_unused acp6x_pdm_suspend(struct device *dev)
{
struct pdm_dev_data *adata;
adata = dev_get_drvdata(dev);
acp6x_disable_pdm_interrupts(adata->acp6x_base);
return 0;
}
static int __maybe_unused acp6x_pdm_runtime_resume(struct device *dev)
{
struct pdm_dev_data *adata;
adata = dev_get_drvdata(dev);
acp6x_enable_pdm_interrupts(adata->acp6x_base);
return 0;
}
static const struct dev_pm_ops acp6x_pdm_pm_ops = {
SET_RUNTIME_PM_OPS(acp6x_pdm_suspend, acp6x_pdm_runtime_resume, NULL)
SET_SYSTEM_SLEEP_PM_OPS(acp6x_pdm_suspend, acp6x_pdm_resume)
};
static struct platform_driver acp6x_pdm_dma_driver = {
.probe = acp6x_pdm_audio_probe,
.remove = acp6x_pdm_audio_remove,
.driver = {
.name = "acp_yc_pdm_dma",
.pm = &acp6x_pdm_pm_ops,
},
};