Hi, On 15/09/21 05:32PM, Pratyush Yadav wrote: > Hi, > > This series adds support for CSI2 capture on J721E. It includes some > fixes to the Cadence CSI2RX driver, re-structures the TI platform > drivers, and finally adds the TI CSI2RX wrapper driver. > > This series used to include the DPHY and DMA engine patches as well, but > they have been split off to facilitate easier merging. > > Tested on TI's J721E with OV5640 sensor. > > The branch with all the patches needed to enable testing (dts nodes, > OV5640 dropped patch, etc.) can be found here at > https://github.com/prati0100/linux-next/ branch "capture". There are no pending comments on this series. Can this be merged please? > > Changes in v4: > - Drop the call to set PHY submode. It is now being done via compatible > on the DPHY side. > - Acquire the media device's graph_mutex before starting the graph walk. > - Call media_graph_walk_init() and media_graph_walk_cleanup() when > starting and ending the graph walk respectively. > - Reduce max frame height and width in enum_framesizes. Currently they > are set to UINT_MAX but they must be a multiple of step_width, so they > need to be rounded down. Also, these values are absurdly large which > causes some userspace applications like gstreamer to trip up. While it > is not generally right to change the kernel for an application bug, it > is not such a big deal here. This change is replacing one set of > absurdly large arbitrary values with another set of smaller but still > absurdly large arbitrary values. Both limits are unlikely to be hit in > practice. > - Add power-domains property. > - Drop maxItems from clock-names. > - Drop the type for data-lanes. > - Drop uniqueItems from data-lanes. Move it to video-interfaces.yaml > instead. > - Drop OV5640 runtime pm patch. It seems to be a bit complicated and it > is not exactly necessary for this series. Any CSI-2 camera will work > just fine, OV5640 just happens to be the one I tested with. I don't > want it to block this series. I will submit it as a separate patch > later. > > Changes in v3: > - Use v4l2_get_link_freq() to calculate pixel clock. > - Move DMA related fields in struct ti_csi2rx_dma. > - Protect DMA buffer queue with a spinlock to make sure the queue buffer > and DMA callback don't race on it. > - Track the current DMA state. It might go idle because of a lack of > buffers. This state can be used to restart it if needed. > - Do not include the current buffer in the pending queue. It is slightly > better modelling than leaving it at the head of the pending queue. > - Use the buffer as the callback argument, and add a reference to csi in it. > - If queueing a buffer to DMA fails, the buffer gets leaked and DMA gets > stalled with. Instead, report the error to vb2 and queue the next > buffer in the pending queue. > - DMA gets stalled if we run out of buffers since the callback is the > only one that fires subsequent transfers and it is no longer being > called. Check for that when queueing buffers and restart DMA if > needed. > - Do not put of node until we are done using the fwnode. > - Set inital format to UYVY 640x480. > - Add compatible: contains: const: cdns,csi2rx to allow SoC specific > compatible. > - Add more constraints for data-lanes property. > > Changes in v2: > - Use phy_pm_runtime_get_sync() and phy_pm_runtime_put() before making > calls to set PHY mode, etc. to make sure it is ready. > - Use dmaengine_get_dma_device() instead of directly accessing > dma->device->dev. > - Do not set dst_addr_width when configuring slave DMA. > - Move to a separate subdir and rename to j721e-csi2rx.c > - Convert compatible to ti,j721e-csi2rx. > - Move to use Media Controller centric APIs. > - Improve cleanup in probe when one of the steps fails. > - Add colorspace to formats database. > - Set hw_revision on media_device. > - Move video device initialization to probe time instead of register time. > - Rename to ti,j721e-csi2rx.yaml > - Add an entry in MAINTAINERS. > - Add a description for the binding. > - Change compatible to ti,j721e-csi2rx to make it SoC specific. > - Remove description from dmas, reg, power-domains. > - Remove a limit of 2 from #address-cells and #size-cells. > - Fix add ^ to csi-bridge subnode regex. > - Make ranges mandatory. > - Add unit address in example. > - Add a reference to cdns,csi2rx in csi-bridge subnode. > - Expand the example to include the csi-bridge subnode as well. > - Re-order subject prefixes. > - Convert OV5640 to use runtime PM and drop Cadence CSI2RX s_power patch. > - Drop subdev call wrappers from cdns-csi2rx. > - Move VPE and CAL to a separate subdir. > - Rename ti-csi2rx.c to j721e-csi2rx.c > > Pratyush Yadav (11): > media: cadence: csi2rx: Unregister v4l2 async notifier > media: cadence: csi2rx: Add external DPHY support > media: cadence: csi2rx: Soft reset the streams before starting capture > media: cadence: csi2rx: Set the STOP bit when stopping a stream > media: cadence: csi2rx: Fix stream data configuration > media: cadence: csi2rx: Populate subdev devnode > media: Re-structure TI platform drivers > media: ti: Add CSI2RX support for J721E > media: dt-bindings: Make sure items in data-lanes are unique > media: dt-bindings: Add DT bindings for TI J721E CSI2RX driver > media: dt-bindings: Convert Cadence CSI2RX binding to YAML > > .../devicetree/bindings/media/cdns,csi2rx.txt | 100 -- > .../bindings/media/cdns,csi2rx.yaml | 169 +++ > .../bindings/media/ti,j721e-csi2rx.yaml | 101 ++ > .../bindings/media/video-interfaces.yaml | 1 + > MAINTAINERS | 10 +- > drivers/media/platform/Kconfig | 12 + > drivers/media/platform/Makefile | 2 +- > drivers/media/platform/cadence/cdns-csi2rx.c | 184 ++- > drivers/media/platform/ti/Makefile | 4 + > drivers/media/platform/ti/cal/Makefile | 3 + > .../{ti-vpe => ti/cal}/cal-camerarx.c | 0 > .../platform/{ti-vpe => ti/cal}/cal-video.c | 0 > .../media/platform/{ti-vpe => ti/cal}/cal.c | 0 > .../media/platform/{ti-vpe => ti/cal}/cal.h | 0 > .../platform/{ti-vpe => ti/cal}/cal_regs.h | 0 > .../media/platform/ti/j721e-csi2rx/Makefile | 2 + > .../platform/ti/j721e-csi2rx/j721e-csi2rx.c | 1008 +++++++++++++++++ > .../platform/{ti-vpe => ti/vpe}/Makefile | 4 - > .../media/platform/{ti-vpe => ti/vpe}/csc.c | 0 > .../media/platform/{ti-vpe => ti/vpe}/csc.h | 0 > .../media/platform/{ti-vpe => ti/vpe}/sc.c | 0 > .../media/platform/{ti-vpe => ti/vpe}/sc.h | 0 > .../platform/{ti-vpe => ti/vpe}/sc_coeff.h | 0 > .../media/platform/{ti-vpe => ti/vpe}/vpdma.c | 0 > .../media/platform/{ti-vpe => ti/vpe}/vpdma.h | 0 > .../platform/{ti-vpe => ti/vpe}/vpdma_priv.h | 0 > .../media/platform/{ti-vpe => ti/vpe}/vpe.c | 0 > .../platform/{ti-vpe => ti/vpe}/vpe_regs.h | 0 > 28 files changed, 1480 insertions(+), 120 deletions(-) > delete mode 100644 Documentation/devicetree/bindings/media/cdns,csi2rx.txt > create mode 100644 Documentation/devicetree/bindings/media/cdns,csi2rx.yaml > create mode 100644 Documentation/devicetree/bindings/media/ti,j721e-csi2rx.yaml > create mode 100644 drivers/media/platform/ti/Makefile > create mode 100644 drivers/media/platform/ti/cal/Makefile > rename drivers/media/platform/{ti-vpe => ti/cal}/cal-camerarx.c (100%) > rename drivers/media/platform/{ti-vpe => ti/cal}/cal-video.c (100%) > rename drivers/media/platform/{ti-vpe => ti/cal}/cal.c (100%) > rename drivers/media/platform/{ti-vpe => ti/cal}/cal.h (100%) > rename drivers/media/platform/{ti-vpe => ti/cal}/cal_regs.h (100%) > create mode 100644 drivers/media/platform/ti/j721e-csi2rx/Makefile > create mode 100644 drivers/media/platform/ti/j721e-csi2rx/j721e-csi2rx.c > rename drivers/media/platform/{ti-vpe => ti/vpe}/Makefile (78%) > rename drivers/media/platform/{ti-vpe => ti/vpe}/csc.c (100%) > rename drivers/media/platform/{ti-vpe => ti/vpe}/csc.h (100%) > rename drivers/media/platform/{ti-vpe => ti/vpe}/sc.c (100%) > rename drivers/media/platform/{ti-vpe => ti/vpe}/sc.h (100%) > rename drivers/media/platform/{ti-vpe => ti/vpe}/sc_coeff.h (100%) > rename drivers/media/platform/{ti-vpe => ti/vpe}/vpdma.c (100%) > rename drivers/media/platform/{ti-vpe => ti/vpe}/vpdma.h (100%) > rename drivers/media/platform/{ti-vpe => ti/vpe}/vpdma_priv.h (100%) > rename drivers/media/platform/{ti-vpe => ti/vpe}/vpe.c (100%) > rename drivers/media/platform/{ti-vpe => ti/vpe}/vpe_regs.h (100%) > > -- > 2.33.0 > -- Regards, Pratyush Yadav Texas Instruments Inc.
