12 Commits

Author SHA1 Message Date
Srinivas Kandagatla
ac192c1a54
ASoC: qdsp6: q6apm: use dai link pcm id as pcm device number
For some reason we ended up with a setup without this flag.
This resulted in inconsistent sound card devices numbers which
 are also not starting as expected at dai_link->id.
 (Ex: MultiMedia1 pcm ended up with device number 4 instead of 0)

With this patch patch now the MultiMedia1 PCM ends up with device number 0
as expected.

[This is causing unstable numbering in userspace as other changes go in,
which in turn gets noticed by some userspace.  There's been multiple
values so we can't simply pick one and revert to it.  Do not backport
since it will introduce a change. -- broonie]

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20230628092404.13927-1-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2023-06-30 14:53:48 +01:00
Srinivas Kandagatla
c317d148a2
ASoC: q6dsp: q6apm-dai: Add mmap and copy compress DAI callbacks
Add q6apm mmap and copy compress DAI callbacks to support compress
offload playback.

Co-developed-by: Mohammad Rafi Shaik <quic_mohs@quicinc.com>
Signed-off-by: Mohammad Rafi Shaik <quic_mohs@quicinc.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20230619101653.9750-12-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2023-06-19 12:59:06 +01:00
Srinivas Kandagatla
b3f736d126
ASoC: q6dsp: q6apm-dai: Add compress set params and metadata DAI callbacks
Add q6apm compress DAI callbacks for setting params and metadata to support
compress offload playback.

Co-developed-by: Mohammad Rafi Shaik <quic_mohs@quicinc.com>
Signed-off-by: Mohammad Rafi Shaik <quic_mohs@quicinc.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20230619101653.9750-11-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2023-06-19 12:59:05 +01:00
Srinivas Kandagatla
c337bf33c4
ASoC: q6dsp: q6apm-dai: Add trigger/pointer compress DAI callbacks
Add q6apm trigger and pointer compress DAI callbacks to support
compress offload playback.

Co-developed-by: Mohammad Rafi Shaik <quic_mohs@quicinc.com>
Signed-off-by: Mohammad Rafi Shaik <quic_mohs@quicinc.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20230619101653.9750-10-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2023-06-19 12:59:05 +01:00
Srinivas Kandagatla
c0c87738a1
ASoC: q6dsp: q6apm-dai: Add compress DAI and codec caps get callbacks
Add q6apm get compress DAI capabilities and codec capabilities callbacks
to support compress offload playback.

Co-developed-by: Mohammad Rafi Shaik <quic_mohs@quicinc.com>
Signed-off-by: Mohammad Rafi Shaik <quic_mohs@quicinc.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20230619101653.9750-9-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2023-06-19 12:59:04 +01:00
Srinivas Kandagatla
88b60bf047
ASoC: q6dsp: q6apm-dai: Add open/free compress DAI callbacks
Add q6apm open and free compress DAI callbacks to support compress
offload playback.
Include compress event handler callback also.

Co-developed-by: Mohammad Rafi Shaik <quic_mohs@quicinc.com>
Signed-off-by: Mohammad Rafi Shaik <quic_mohs@quicinc.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20230619101653.9750-8-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2023-06-19 12:59:02 +01:00
Mohammad Rafi Shaik
e41521b6e2
ASoC: q6dsp: audioreach: Add support to set compress format params
Add function for setting compress params.

Signed-off-by: Mohammad Rafi Shaik <quic_mohs@quicinc.com>
Co-developed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20230619101653.9750-6-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2023-06-19 12:59:01 +01:00
Srinivas Kandagatla
aa759f3f9f
ASoC: qcom: q6apm-dai: Add SNDRV_PCM_INFO_BATCH flag
At the moment, playing audio with PulseAudio with the qdsp6 driver
results in distorted sound. It seems like its timer-based scheduling
does not work properly with qdsp6 since setting tsched=0 in
the PulseAudio configuration avoids the issue.

Apparently this happens when the pointer() callback is not accurate
enough. There is a SNDRV_PCM_INFO_BATCH flag that can be used to stop
PulseAudio from using timer-based scheduling by default.

According to https://www.alsa-project.org/pipermail/alsa-devel/2014-March/073816.html:

The flag is being used in the sense explained in the previous audio
meeting -- the data transfer granularity isn't fine enough but aligned
to the period size (or less).

q6apm-dai reports the position as multiple of

prtd->pcm_count = snd_pcm_lib_period_bytes(substream)

so it indeed just a multiple of the period size.

Therefore adding the flag here seems appropriate and makes audio
work out of the box.

Comment log inspired by Stephan Gerhold sent for q6asm-dai.c few years back.

Fixes: 9b4fe0f1cd79 ("ASoC: qdsp6: audioreach: add q6apm-dai support")
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20230209122806.18923-4-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2023-02-09 14:03:29 +00:00
Srinivas Kandagatla
84222ef54b
ASoC: qcom: q6apm-dai: fix race condition while updating the position pointer
It is noticed that the position pointer value seems to get a get corrupted
due to missing locking between updating and reading.

Fix this by adding a spinlock around the position pointer.

Fixes: 9b4fe0f1cd79 ("ASoC: qdsp6: audioreach: add q6apm-dai support")
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20230209122806.18923-3-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2023-02-09 14:03:28 +00:00
Srinivas Kandagatla
58136d93d4
ASoC: qdsp6: q6apm-dai: unprepare stream if its already prepared
prepare callback can be called multiple times, so unprepare the stream
if its already prepared.

Without this DSP is not happy to setting the params on a already
prepared graph.

Fixes: 9b4fe0f1cd79 ("ASoC: qdsp6: audioreach: add q6apm-dai support")
Reported-by: Srinivasa Rao Mandadapu <quic_srivasam@quicinc.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220610144818.511797-1-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-06-24 16:21:42 +01:00
Srinivas Kandagatla
8f2e5c65ec
ASoC: qdsp6: q6apm-dai: only stop graphs that are started
Its possible that the sound card is just opened and closed without actually
playing stream, ex: if the audio file itself is missing.

Even in such cases we do call stop on graphs that are not yet started.
DSP can throw errors in such cases, so add a check to see if the graph
was started before stopping it.

Fixes: 9b4fe0f1cd79 ("ASoC: qdsp6: audioreach: add q6apm-dai support")
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220126113549.8853-5-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-01-26 13:31:40 +00:00
Srinivas Kandagatla
9b4fe0f1cd
ASoC: qdsp6: audioreach: add q6apm-dai support
Add support to pcm dais in Audio Process Manager.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20211026111655.1702-15-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-10-26 13:50:09 +01:00