From 28023a78790c33f5df0147fd00ab3cf333edd24f Mon Sep 17 00:00:00 2001 From: Syed Saba Kareem Date: Sat, 27 Aug 2022 22:26:53 +0530 Subject: [PATCH] ASoC: amd: add acp6.2 pdm driver pm ops Add acp6.2 pdm driver pm ops. Signed-off-by: Syed Saba Kareem Reviewed-by: Vijendar Mukunda Link: https://lore.kernel.org/r/20220827165657.2343818-10-Syed.SabaKareem@amd.com Signed-off-by: Mark Brown --- sound/soc/amd/ps/ps-pdm-dma.c | 57 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+) diff --git a/sound/soc/amd/ps/ps-pdm-dma.c b/sound/soc/amd/ps/ps-pdm-dma.c index f0ec1a4..b207b72 100644 --- a/sound/soc/amd/ps/ps-pdm-dma.c +++ b/sound/soc/amd/ps/ps-pdm-dma.c @@ -12,6 +12,7 @@ #include #include #include +#include #include "acp62.h" @@ -377,13 +378,69 @@ static int acp62_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 acp62_pdm_audio_remove(struct platform_device *pdev) +{ + pm_runtime_disable(&pdev->dev); + return 0; +} + +static int __maybe_unused acp62_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); + acp62_config_dma(rtd, SNDRV_PCM_STREAM_CAPTURE); + acp62_init_pdm_ring_buffer(PDM_MEM_WINDOW_START, buffer_len, + period_bytes, adata->acp62_base); + } + acp62_enable_pdm_interrupts(adata->acp62_base); + return 0; +} + +static int __maybe_unused acp62_pdm_suspend(struct device *dev) +{ + struct pdm_dev_data *adata; + + adata = dev_get_drvdata(dev); + acp62_disable_pdm_interrupts(adata->acp62_base); + return 0; +} + +static int __maybe_unused acp62_pdm_runtime_resume(struct device *dev) +{ + struct pdm_dev_data *adata; + + adata = dev_get_drvdata(dev); + acp62_enable_pdm_interrupts(adata->acp62_base); + return 0; +} + +static const struct dev_pm_ops acp62_pdm_pm_ops = { + SET_RUNTIME_PM_OPS(acp62_pdm_suspend, acp62_pdm_runtime_resume, NULL) + SET_SYSTEM_SLEEP_PM_OPS(acp62_pdm_suspend, acp62_pdm_resume) +}; + static struct platform_driver acp62_pdm_dma_driver = { .probe = acp62_pdm_audio_probe, + .remove = acp62_pdm_audio_remove, .driver = { .name = "acp_ps_pdm_dma", + .pm = &acp62_pdm_pm_ops, }, }; -- 2.7.4