Add Vangogh i2s dma driver pm ops
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@xxxxxxx>
---
sound/soc/amd/vangogh/acp5x-pcm-dma.c | 96 ++++++++++++++++++++++++++-
1 file changed, 94 insertions(+), 2 deletions(-)
diff --git a/sound/soc/amd/vangogh/acp5x-pcm-dma.c b/sound/soc/amd/vangogh/acp5x-pcm-dma.c
index 6296b353c7f1..9f8eb72ac834 100644
--- a/sound/soc/amd/vangogh/acp5x-pcm-dma.c
+++ b/sound/soc/amd/vangogh/acp5x-pcm-dma.c
@@ -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 0;
+}
- return status;
+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,
},
};
--
2.17.1
