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ASoC: amd: add vangogh i2s dma driver pm ops

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Add Vangogh i2s dma driver pm ops

Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://lore.kernel.org/r/20210721180430.11571-12-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Vijendar Mukunda 2021-07-21 23:34:27 +05:30 committed by Mark Brown
parent b0a37ac678
commit 361414dc1f
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 94 additions and 2 deletions
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96
sound/soc/amd/vangogh/acp5x-pcm-dma.c
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@ -8,6 +8,7 @@
#include <linux/module.h>
#include <linux/err.h>
#include <linux/io.h>
#include <linux/pm_runtime.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
@ -412,16 +413,107 @@ static int acp5x_audio_probe(struct platform_device *pdev)
}
status = devm_request_irq(&pdev->dev, adata->i2s_irq, i2s_irq_handler,
irqflags, "ACP5x_I2S_IRQ", adata);
if (status)
if (status) {
dev_err(&pdev->dev, "ACP5x I2S IRQ request failed\n");
return status;
}
pm_runtime_set_autosuspend_delay(&pdev->dev, 2000);
pm_runtime_use_autosuspend(&pdev->dev);
pm_runtime_enable(&pdev->dev);
pm_runtime_allow(&pdev->dev);
return status;
return 0;
}
static int acp5x_audio_remove(struct platform_device *pdev)
{
pm_runtime_disable(&pdev->dev);
return 0;
}
static int __maybe_unused acp5x_pcm_resume(struct device *dev)
{
struct i2s_dev_data *adata;
u32 val, reg_val, frmt_val;
reg_val = 0;
frmt_val = 0;
adata = dev_get_drvdata(dev);
if (adata->play_stream && adata->play_stream->runtime) {
struct i2s_stream_instance *rtd =
adata->play_stream->runtime->private_data;
config_acp5x_dma(rtd, SNDRV_PCM_STREAM_PLAYBACK);
switch (rtd->i2s_instance) {
case I2S_HS_INSTANCE:
reg_val = ACP_HSTDM_ITER;
frmt_val = ACP_HSTDM_TXFRMT;
break;
case I2S_SP_INSTANCE:
default:
reg_val = ACP_I2STDM_ITER;
frmt_val = ACP_I2STDM_TXFRMT;
}
acp_writel((rtd->xfer_resolution << 3),
rtd->acp5x_base + reg_val);
}
if (adata->capture_stream && adata->capture_stream->runtime) {
struct i2s_stream_instance *rtd =
adata->capture_stream->runtime->private_data;
config_acp5x_dma(rtd, SNDRV_PCM_STREAM_CAPTURE);
switch (rtd->i2s_instance) {
case I2S_HS_INSTANCE:
reg_val = ACP_HSTDM_IRER;
frmt_val = ACP_HSTDM_RXFRMT;
break;
case I2S_SP_INSTANCE:
default:
reg_val = ACP_I2STDM_IRER;
frmt_val = ACP_I2STDM_RXFRMT;
}
acp_writel((rtd->xfer_resolution << 3),
rtd->acp5x_base + reg_val);
}
if (adata->tdm_mode == TDM_ENABLE) {
acp_writel(adata->tdm_fmt, adata->acp5x_base + frmt_val);
val = acp_readl(adata->acp5x_base + reg_val);
acp_writel(val | 0x2, adata->acp5x_base + reg_val);
}
acp_writel(1, adata->acp5x_base + ACP_EXTERNAL_INTR_ENB);
return 0;
}
static int __maybe_unused acp5x_pcm_suspend(struct device *dev)
{
struct i2s_dev_data *adata;
adata = dev_get_drvdata(dev);
acp_writel(0, adata->acp5x_base + ACP_EXTERNAL_INTR_ENB);
return 0;
}
static int __maybe_unused acp5x_pcm_runtime_resume(struct device *dev)
{
struct i2s_dev_data *adata;
adata = dev_get_drvdata(dev);
acp_writel(1, adata->acp5x_base + ACP_EXTERNAL_INTR_ENB);
return 0;
}
static const struct dev_pm_ops acp5x_pm_ops = {
SET_RUNTIME_PM_OPS(acp5x_pcm_suspend,
acp5x_pcm_runtime_resume, NULL)
SET_SYSTEM_SLEEP_PM_OPS(acp5x_pcm_suspend, acp5x_pcm_resume)
};
static struct platform_driver acp5x_dma_driver = {
.probe = acp5x_audio_probe,
.remove = acp5x_audio_remove,
.driver = {
.name = "acp5x_i2s_dma",
.pm = &acp5x_pm_ops,
},
};