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| author |   Mark Brown <broonie@kernel.org> | 2022-09-27 12:07:27 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2022-09-27 12:07:27 +0100 |
| commit | 5445e5db29fc5ac917ee4b5def62b5cf20e1ee9e (patch) | |
| tree | 76a8c99a1efc20adf3b492f8399bd11d799848c0 /sound/soc | |
| parent | ASoC: MAINTAINERS: add bindings and APR to Qualcomm Audio entry (diff) | |
| parent | ASoC: SOF: mediatek: mt8195: Add pcm_pointer callback (diff) | |
| download | linux-dev-5445e5db29fc5ac917ee4b5def62b5cf20e1ee9e.tar.xz linux-dev-5445e5db29fc5ac917ee4b5def62b5cf20e1ee9e.zip | |
ASoC: SOF: mediatek: mt8195: Add dsp_ops callback
Merge series from Chunxu Li <chunxu.li@mediatek.com>:
Support more operations for MediaTek DSPs using SOF.
Diffstat (limited to 'sound/soc')
| -rw-r--r-- | sound/soc/sof/mediatek/mt8195/mt8195.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/sound/soc/sof/mediatek/mt8195/mt8195.c b/sound/soc/sof/mediatek/mt8195/mt8195.c index c12192c8a6f8..3c81e84fcecf 100644 --- a/sound/soc/sof/mediatek/mt8195/mt8195.c +++ b/sound/soc/sof/mediatek/mt8195/mt8195.c @@ -496,6 +496,48 @@ static int mt8195_get_bar_index(struct snd_sof_dev *sdev, u32 type) return type; } +static int mt8195_pcm_hw_params(struct snd_sof_dev *sdev, + struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_sof_platform_stream_params *platform_params) +{ + platform_params->cont_update_posn = 1; + + return 0; +} + +static snd_pcm_uframes_t mt8195_pcm_pointer(struct snd_sof_dev *sdev, + struct snd_pcm_substream *substream) +{ + int ret; + snd_pcm_uframes_t pos; + struct snd_sof_pcm *spcm; + struct sof_ipc_stream_posn posn; + struct snd_sof_pcm_stream *stream; + struct snd_soc_component *scomp = sdev->component; + struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + + spcm = snd_sof_find_spcm_dai(scomp, rtd); + if (!spcm) { + dev_warn_ratelimited(sdev->dev, "warn: can't find PCM with DAI ID %d\n", + rtd->dai_link->id); + return 0; + } + + stream = &spcm->stream[substream->stream]; + ret = snd_sof_ipc_msg_data(sdev, stream->substream, &posn, sizeof(posn)); + if (ret < 0) { + dev_warn(sdev->dev, "failed to read stream position: %d\n", ret); + return 0; + } + + memcpy(&stream->posn, &posn, sizeof(posn)); + pos = spcm->stream[substream->stream].posn.host_posn; + pos = bytes_to_frames(substream->runtime, pos); + + return pos; +} + static void mt8195_adsp_dump(struct snd_sof_dev *sdev, u32 flags) { u32 dbg_pc, dbg_data, dbg_bus0, dbg_bus1, dbg_inst; @@ -588,6 +630,8 @@ static struct snd_sof_dsp_ops sof_mt8195_ops = { /* stream callbacks */ .pcm_open = sof_stream_pcm_open, + .pcm_hw_params = mt8195_pcm_hw_params, + .pcm_pointer = mt8195_pcm_pointer, .pcm_close = sof_stream_pcm_close, /* firmware loading */ |