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author | Syed Saba Kareem <Syed.SabaKareem@amd.com> | 2023-12-15 18:32:42 +0530 |
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committer | Mark Brown <broonie@kernel.org> | 2023-12-15 20:52:26 +0000 |
commit | c95a2a0be0b1bba2e051faa105c2e0401fc2de33 (patch) | |
tree | 4da88117c60ebd1d6192db6826e7bbab9f163297 | |
parent | c27032b402a10d9f258224685322f121de0808e5 (diff) | |
download | linux-stable-c95a2a0be0b1bba2e051faa105c2e0401fc2de33.tar.gz linux-stable-c95a2a0be0b1bba2e051faa105c2e0401fc2de33.tar.bz2 linux-stable-c95a2a0be0b1bba2e051faa105c2e0401fc2de33.zip |
ASoC: amd: acp: add pm ops support for renoir platform.
Add pm ops for renoir platform.
Signed-off-by: Syed Saba Kareem <Syed.SabaKareem@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://msgid.link/r/20231215130300.1247475-1-Syed.SabaKareem@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
-rw-r--r-- | sound/soc/amd/acp/acp-renoir.c | 37 |
1 files changed, 37 insertions, 0 deletions
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, }, }; |