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Add alsa controls to specify which alsa device is used by AVP to render
audio. Also add support for disabling DMA interrupt when AVP renders
audio. Also add couple of alsa controls to query DMA channel ID and
DMA buffer physical address.
Bug 968814
Signed-off-by: Sumit Bhattacharya <sumitb@nvidia.com>
Change-Id: If593329db72bf00d97f7433f5c54e13500281253
Reviewed-on: http://git-master/r/97916
Reviewed-by: Rohan Somvanshi <rsomvanshi@nvidia.com>
Tested-by: Rohan Somvanshi <rsomvanshi@nvidia.com>
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Modified existing pcm driver to take dma mode/ hw structure.
Exported the functions needed for other pcm mode driver.
Added new TDM mode hw param structure.
Added pass SINGLE/DOUBLE buffered dma mode params.
Bug 948478
Change-Id: I58309d52748f813b3303a8d6a052fbb6cc7ca87a
Signed-off-by: Nitin Pai <npai@nvidia.com>
Reviewed-on: http://git-master/r/99146
Reviewed-by: Simone Willett <swillett@nvidia.com>
Tested-by: Simone Willett <swillett@nvidia.com>
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Instead of always using 2 dma_req count pass max dma_req_count
through a macro. Ensure dma_req_count does not cross
period_count.
Bug 968814
Change-Id: Iddfbd77017992ccb8c90441213e191133dadb347
Signed-off-by: Sumit Bhattacharya <sumitb@nvidia.com>
Reviewed-on: http://git-master/r/97915
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Ravindra Lokhande <rlokhande@nvidia.com>
Reviewed-by: Scott Peterson <speterson@nvidia.com>
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This reverts commit 78d27b4b610fbe7d77e3cf43a3b82e15cf879d37.
Bug 916409
Reviewed-on: http://git-master/r/76446
Change-Id: I4288dc4d90b393dd8dbefd7e997b9bfceb49d564
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Signed-off-by: Sumit Bhattacharya <sumitb@nvidia.com>
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
Reviewed-on: http://git-master/r/77305
Reviewed-by: Automatic_Commit_Validation_User
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Acquire wake_lock from alsa kernel when pcm playback/capture
starts and hold it until playack/capture ends. It is needed
to prevent device from going into suspend state in middle
of audio playback.
Change-Id: I71e5fae0268f73a3e57f8d886c1b228d46899ea4
Signed-off-by: Sumit Bhattacharya <sumitb@nvidia.com>
Reviewed-on: http://git-master/r/68671
Reviewed-by: Nikesh Oswal <noswal@nvidia.com>
Reviewed-by: Scott Peterson <speterson@nvidia.com>
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This provides an ASoC platform driver that manages Tegra's APB DMA
controller.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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