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    SubjectRe: [PATCH v3 00/15] ASoC: OMAP: Convert to use dmaengine
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    On Fri, 2012-09-14 at 15:05 +0300, Peter Ujfalusi wrote:
    > Hello,

    dmaengine parts look good to me. How do you want to get this merged,
    dmaengine or ASoC tree?
    >
    > Changes since v2:
    > - As it has been discussed the no_wakeup parameter has been replaced with flags
    > for the dmaengine APIs
    >
    > Changes since v1:
    > - Support for pause/resume for OMAP audio via dmaengine
    > - dmaengine: support for NO_PERIOD_WAKEUP in cyclic mode
    > - OMAP to keep supporting NO_PERIOD_WAKEUP for audio
    > - Other plaforms can also try to enable this mode since we have now generic
    > interface to do so.
    >
    > This series will switch the OMAP audio to use dmaengine.
    > The final patch which does the switch was based on Russell King's earlier patch.
    >
    > The first 10 patch is to prepare the OMAP audio drivers for a smooth change to
    > dmaengine:
    > - sDMA FRAME sync mode is removed and replaced with PACKET mode
    > - dai drivers no longer need to configure sDMA sync mode
    > - dai drivers does not need to specify the DMA word length - with the exception
    > of the omap-hdmi driver which requires 32bit word length regardless of the
    > audio format in use
    > - the McPDM driver used (to my surprise) hackish way of getting the DMA channel
    > and address - via defines from some header files
    >
    > After the conversion OMAP audio support should have the same features as before,
    > no regressions expected.
    >
    > I have tested the series on:
    > - BeagleBoard (audio via McBSP):
    > - aplay/arecord. In element mode and in threshold mode with different period
    > sizes
    > - mplayer -ao alsa: for direct ALSA access
    > - mplayer -ao pulse: via PulseAudio to test NO_PERIOD_WAKEUP feature
    > - OMAP4 Blaze (audio via McPDM and DMIC)
    > - aplay/arecord
    > - mplayer -ao alsa: for direct ALSA access
    > - mplayer -ao pulse: via PulseAudio to test NO_PERIOD_WAKEUP feature
    >
    > The patches has been generated against:
    > git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-3.7
    >
    > Janusz: Can you retest this series on OMAP1 to be sure I have not broken it?
    > Ricardo: Can you test the omap-hmdi if it is still working?
    >
    > Regards,
    > Peter
    > ---
    > Peter Ujfalusi (15):
    > dmaengine: omap: Support for element mode in cyclic DMA
    > dmaengine: omap: Add support for pause/resume in cyclic dma mode
    > dmaengine: Add flags parameter to dmaengine_prep_dma_cyclic()
    > dmaengine: Pass flags via device_prep_dma_cyclic() callback
    > dmaengine: omap-dma: Add support to suppress interrupts in cyclic
    > mode
    > ASoC: omap-mcbsp: Use sDMA packet mode instead of frame mode
    > ASoC: omap-pcm: Select sDMA synchronization based on packet_size
    > ASoC: OMAP: Remove sync_mode from omap_pcm_dma_data struct
    > ASoC: omap-pcm: Prepare to configure the DMA data_type based on
    > stream properties
    > ARM: OMAP4: hwmod_data: Add resource names to McPDM memory ranges
    > ASoC: omap-mcpdm: Use platform_get_resource_* to get resources
    > ASoC: OMAP: mcbsp, mcpdm, dmic: Let omap-pcm to pick the dma_type
    > ASoC: omap-pcm, omap-dmic: Change the use of
    > omap_pcm_dma_data->data_type
    > ASoC: OMAP: mcbsp, mcpdm, dmic, hdmi: Set dma_data at startup time
    > ASoC: omap-pcm: Convert to use dmaengine
    >
    > arch/arm/mach-omap2/omap_hwmod_44xx_data.c | 2 +
    > drivers/dma/at_hdmac.c | 3 +-
    > drivers/dma/ep93xx_dma.c | 4 +-
    > drivers/dma/imx-dma.c | 2 +-
    > drivers/dma/imx-sdma.c | 2 +-
    > drivers/dma/mmp_tdma.c | 2 +-
    > drivers/dma/mxs-dma.c | 2 +-
    > drivers/dma/omap-dma.c | 45 ++++--
    > drivers/dma/pl330.c | 2 +-
    > drivers/dma/sa11x0-dma.c | 2 +-
    > drivers/dma/sirf-dma.c | 2 +-
    > drivers/dma/ste_dma40.c | 3 +-
    > drivers/dma/tegra20-apb-dma.c | 2 +-
    > include/linux/dmaengine.h | 7 +-
    > sound/soc/omap/Kconfig | 3 +-
    > sound/soc/omap/omap-dmic.c | 9 +-
    > sound/soc/omap/omap-hdmi.c | 17 ++-
    > sound/soc/omap/omap-mcbsp.c | 60 +++-----
    > sound/soc/omap/omap-mcpdm.c | 40 +++--
    > sound/soc/omap/omap-pcm.c | 236 ++++++++---------------------
    > sound/soc/omap/omap-pcm.h | 4 +-
    > sound/soc/soc-dmaengine-pcm.c | 6 +-
    > 22 files changed, 186 insertions(+), 269 deletions(-)
    >


    --
    ~Vinod



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