Add acp pdm driver pm ops for ACP7.0 & ACP7.1 platforms.
Signed-off-by: Vijendar Mukunda Vijendar.Mukunda@amd.com --- sound/soc/amd/acp70/acp70-pdm-dma.c | 57 +++++++++++++++++++++++++++++ sound/soc/amd/acp70/acp70.h | 3 ++ 2 files changed, 60 insertions(+)
diff --git a/sound/soc/amd/acp70/acp70-pdm-dma.c b/sound/soc/amd/acp70/acp70-pdm-dma.c index 197214e68489..0d24c9ed917f 100644 --- a/sound/soc/amd/acp70/acp70-pdm-dma.c +++ b/sound/soc/amd/acp70/acp70-pdm-dma.c @@ -13,6 +13,7 @@ #include <sound/pcm_params.h> #include <sound/soc.h> #include <sound/soc-dai.h> +#include <linux/pm_runtime.h>
#include "acp70.h"
@@ -388,13 +389,69 @@ static int acp70_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_mark_last_busy(&pdev->dev); + pm_runtime_set_active(&pdev->dev); + pm_runtime_enable(&pdev->dev); return 0; }
+static void acp70_pdm_audio_remove(struct platform_device *pdev) +{ + pm_runtime_disable(&pdev->dev); +} + +static int __maybe_unused acp70_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); + acp70_config_dma(rtd, SNDRV_PCM_STREAM_CAPTURE); + acp70_init_pdm_ring_buffer(PDM_MEM_WINDOW_START, buffer_len, + period_bytes, adata->acp70_base); + } + acp70_enable_pdm_interrupts(adata); + return 0; +} + +static int __maybe_unused acp70_pdm_suspend(struct device *dev) +{ + struct pdm_dev_data *adata; + + adata = dev_get_drvdata(dev); + acp70_disable_pdm_interrupts(adata); + return 0; +} + +static int __maybe_unused acp70_pdm_runtime_resume(struct device *dev) +{ + struct pdm_dev_data *adata; + + adata = dev_get_drvdata(dev); + acp70_enable_pdm_interrupts(adata); + return 0; +} + +static const struct dev_pm_ops acp70_pdm_pm_ops = { + SET_RUNTIME_PM_OPS(acp70_pdm_suspend, acp70_pdm_runtime_resume, NULL) + SET_SYSTEM_SLEEP_PM_OPS(acp70_pdm_suspend, acp70_pdm_resume) +}; + static struct platform_driver acp70_pdm_dma_driver = { .probe = acp70_pdm_audio_probe, + .remove = acp70_pdm_audio_remove, .driver = { .name = "acp70_pdm_dma", + .pm = &acp70_pdm_pm_ops, }, };
diff --git a/sound/soc/amd/acp70/acp70.h b/sound/soc/amd/acp70/acp70.h index d5ab606adedc..1d8e670264fc 100644 --- a/sound/soc/amd/acp70/acp70.h +++ b/sound/soc/amd/acp70/acp70.h @@ -133,6 +133,9 @@ #define SDW_MAX_BUFFER (SDW_PLAYBACK_MAX_PERIOD_SIZE * SDW_PLAYBACK_MAX_NUM_PERIODS) #define SDW_MIN_BUFFER SDW_MAX_BUFFER
+/* time in ms for runtime suspend delay */ +#define ACP_SUSPEND_DELAY_MS 2000 + enum acp_config { ACP_CONFIG_0 = 0, ACP_CONFIG_1,