From 978a7144ae8497b40d833a3c0110b18810499f95 Mon Sep 17 00:00:00 2001 From: Chunxu Li Date: Sat, 24 Sep 2022 11:35:58 +0800 Subject: ASoC: SOF: mediatek: mt8195: Add pcm_hw_params callback Add pcm_hw_params callback for mt8195 to support continue update dma host position Signed-off-by: Chunxu Li Reviewed-by: AngeloGioacchino Del Regno Link: https://lore.kernel.org/r/20220924033559.26599-2-chunxu.li@mediatek.com Signed-off-by: Mark Brown --- sound/soc/sof/mediatek/mt8195/mt8195.c | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'sound/soc') diff --git a/sound/soc/sof/mediatek/mt8195/mt8195.c b/sound/soc/sof/mediatek/mt8195/mt8195.c index c12192c8a6f8..882fde741cf5 100644 --- a/sound/soc/sof/mediatek/mt8195/mt8195.c +++ b/sound/soc/sof/mediatek/mt8195/mt8195.c @@ -496,6 +496,16 @@ 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 void mt8195_adsp_dump(struct snd_sof_dev *sdev, u32 flags) { u32 dbg_pc, dbg_data, dbg_bus0, dbg_bus1, dbg_inst; @@ -588,6 +598,7 @@ 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_close = sof_stream_pcm_close, /* firmware loading */ -- cgit v1.2.3 From f7c91bf65388547f61888b7a67169966fc698ce1 Mon Sep 17 00:00:00 2001 From: Chunxu Li Date: Sat, 24 Sep 2022 11:35:59 +0800 Subject: ASoC: SOF: mediatek: mt8195: Add pcm_pointer callback Add pcm_pointer callback for mt8195 to support read host position from DSP Signed-off-by: Chunxu Li Reviewed-by: AngeloGioacchino Del Regno Link: https://lore.kernel.org/r/20220924033559.26599-3-chunxu.li@mediatek.com Signed-off-by: Mark Brown --- sound/soc/sof/mediatek/mt8195/mt8195.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) (limited to 'sound/soc') diff --git a/sound/soc/sof/mediatek/mt8195/mt8195.c b/sound/soc/sof/mediatek/mt8195/mt8195.c index 882fde741cf5..3c81e84fcecf 100644 --- a/sound/soc/sof/mediatek/mt8195/mt8195.c +++ b/sound/soc/sof/mediatek/mt8195/mt8195.c @@ -506,6 +506,38 @@ static int mt8195_pcm_hw_params(struct snd_sof_dev *sdev, 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; @@ -599,6 +631,7 @@ 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 */ -- cgit v1.2.3