Update stream irq handler definition to correctly set hdac_stream
current position when servicing stream interrupts for compress streams.
Cc: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Signed-off-by: Cezary Rojewski <cezary.rojewski@xxxxxxxxx>
---
include/sound/hdaudio.h | 1 +
sound/soc/sof/intel/hda-stream.c | 26 ++++++++++++++++++++++++--
2 files changed, 25 insertions(+), 2 deletions(-)
diff --git a/include/sound/hdaudio.h b/include/sound/hdaudio.h
index 9a8bf1eb7d69..9a24d57f0cf2 100644
--- a/include/sound/hdaudio.h
+++ b/include/sound/hdaudio.h
@@ -496,6 +496,7 @@ struct hdac_stream {
bool locked:1;
bool stripe:1; /* apply stripe control */
+ unsigned long curr_pos;
/* timestamp */
unsigned long start_wallclk; /* start + minimum wallclk */
unsigned long period_wallclk; /* wallclk for period */
diff --git a/sound/soc/sof/intel/hda-stream.c b/sound/soc/sof/intel/hda-stream.c
index c0ab9bb2a797..ddf755a5a730 100644
--- a/sound/soc/sof/intel/hda-stream.c
+++ b/sound/soc/sof/intel/hda-stream.c
@@ -571,6 +571,23 @@ bool hda_dsp_check_stream_irq(struct snd_sof_dev *sdev)
return ret;
}
+static void hda_dsp_update_bytes_transferred(struct hdac_stream *hstream,
+ u64 buffer_size)
+{
+ unsigned int prev_pos;
+ int pos, num_bytes;
+
+ div_u64_rem(hstream->curr_pos, buffer_size, &prev_pos);
+ pos = snd_hdac_stream_get_pos_posbuf(hstream);
+
+ if (pos < prev_pos)
+ num_bytes = (buffer_size - prev_pos) + pos;
+ else
+ num_bytes = pos - prev_pos;
+
+ hstream->curr_pos += num_bytes;
+}
+
static bool hda_dsp_stream_check(struct hdac_bus *bus, u32 status)
{
struct sof_intel_hda_dev *sof_hda = bus_to_sof_hda(bus);
@@ -588,14 +605,19 @@ static bool hda_dsp_stream_check(struct hdac_bus *bus, u32 status)
snd_hdac_stream_writeb(s, SD_STS, sd_status);
active = true;
- if (!s->substream ||
+ if ((!s->substream && !s->cstream) ||
!s->running ||
(sd_status & SOF_HDA_CL_DMA_SD_INT_COMPLETE) == 0)
continue;
/* Inform ALSA only in case not do that with IPC */
- if (sof_hda->no_ipc_position)
+ if (s->substream && sof_hda->no_ipc_position) {
snd_sof_pcm_period_elapsed(s->substream);
+ } else if (s->cstream) {
+ hda_dsp_update_bytes_transferred(s,
+ s->cstream->runtime->buffer_size);
+ snd_compr_fragment_elapsed(s->cstream);
+ }
}
}
--
2.17.1
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