On 12/15/2023 07:02, Syed Saba Kareem wrote:
Add pm ops for renoir platform.
Signed-off-by: Syed Saba Kareem <Syed.SabaKareem@xxxxxxx>
Reviewed-by: Mario Limonciello <mario.limonciello@xxxxxxx>
---
sound/soc/amd/acp/acp-renoir.c | 37 ++++++++++++++++++++++++++++++++++
1 file changed, 37 insertions(+)
diff --git a/sound/soc/amd/acp/acp-renoir.c b/sound/soc/amd/acp/acp-renoir.c
index a591482a0726..b0e181c9a733 100644
--- a/sound/soc/amd/acp/acp-renoir.c
+++ b/sound/soc/amd/acp/acp-renoir.c
@@ -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,
},
};
