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SubjectRe: [PATCH v3 0/2] Digiteq Automotive MGB4 driver
From
On 18/10/2022 16:03, tumic@gpxsee.org wrote:
> From: Martin Tůma <martin.tuma@digiteqautomotive.com>
>
> Hi,
> This series of patches adds a driver for the Digiteq Automotive MGB4 grabber
> card. MGB4 is a modular frame grabber PCIe card for automotive video interfaces
> (FPD-Link and GMSL for now). It is based on a Xilinx FPGA and uses their
> XDMA IP core for DMA transfers. Additionally, Xilinx I2C and SPI IP cores
> which already have drivers in linux are used in the design.
>
> The driver is a quite standard v4l2 driver, with one exception - there are
> a lot of sysfs options that may/must be set before opening the v4l2 device
> to adapt the card on a specific signal (see mgb4.rst for details)
> as the card must be able to work with various signal sources (or displays)
> that can not be auto-detected.
>
> I have run the driver through the v4l2-compliance test suite for both the
> input and the output and the results look fine to me (I can provide the
> output if required).

Please do! Did you use the latest v4l2-compliance code from the v4l-utils
git repo? Distros tend to have a too-old version.

Regards,

Hans

>
> The patch requires the new XDMA v8 driver from Xilinx/AMD from the dmaengine
> mailing list to compile/work:
> https://www.spinics.net/lists/dmaengine/msg31476.html
>
>
> Changes in v3:
> * Rebased the DMA transfers part to use the new XDMA driver from Xilinx/AMD
>
> Changes in v2:
> * Completely rewritten the original Xilinx's XDMA driver to meet kernel code
> standards.
> * Added all required "to" and "cc" mail addresses.
>
> Martin Tůma (2):
> i2c: xiic: Added platform module alias for the xiic I2C driver
> Added Digiteq Automotive MGB4 driver
>
> Documentation/admin-guide/media/mgb4.rst | 342 ++++++++
> .../admin-guide/media/pci-cardlist.rst | 1 +
> .../admin-guide/media/v4l-drivers.rst | 1 +
> MAINTAINERS | 7 +
> drivers/i2c/busses/i2c-xiic.c | 1 +
> drivers/media/pci/Kconfig | 1 +
> drivers/media/pci/Makefile | 1 +
> drivers/media/pci/mgb4/Kconfig | 17 +
> drivers/media/pci/mgb4/Makefile | 6 +
> drivers/media/pci/mgb4/mgb4_cmt.c | 243 ++++++
> drivers/media/pci/mgb4/mgb4_cmt.h | 16 +
> drivers/media/pci/mgb4/mgb4_core.c | 628 +++++++++++++++
> drivers/media/pci/mgb4/mgb4_core.h | 65 ++
> drivers/media/pci/mgb4/mgb4_dma.c | 120 +++
> drivers/media/pci/mgb4/mgb4_dma.h | 18 +
> drivers/media/pci/mgb4/mgb4_i2c.c | 139 ++++
> drivers/media/pci/mgb4/mgb4_i2c.h | 35 +
> drivers/media/pci/mgb4/mgb4_io.h | 36 +
> drivers/media/pci/mgb4/mgb4_regs.c | 30 +
> drivers/media/pci/mgb4/mgb4_regs.h | 35 +
> drivers/media/pci/mgb4/mgb4_sysfs.h | 18 +
> drivers/media/pci/mgb4/mgb4_sysfs_in.c | 750 ++++++++++++++++++
> drivers/media/pci/mgb4/mgb4_sysfs_out.c | 734 +++++++++++++++++
> drivers/media/pci/mgb4/mgb4_sysfs_pci.c | 83 ++
> drivers/media/pci/mgb4/mgb4_trigger.c | 203 +++++
> drivers/media/pci/mgb4/mgb4_trigger.h | 8 +
> drivers/media/pci/mgb4/mgb4_vin.c | 665 ++++++++++++++++
> drivers/media/pci/mgb4/mgb4_vin.h | 64 ++
> drivers/media/pci/mgb4/mgb4_vout.c | 507 ++++++++++++
> drivers/media/pci/mgb4/mgb4_vout.h | 58 ++
> 30 files changed, 4832 insertions(+)
> create mode 100644 Documentation/admin-guide/media/mgb4.rst
> create mode 100644 drivers/media/pci/mgb4/Kconfig
> create mode 100644 drivers/media/pci/mgb4/Makefile
> create mode 100644 drivers/media/pci/mgb4/mgb4_cmt.c
> create mode 100644 drivers/media/pci/mgb4/mgb4_cmt.h
> create mode 100644 drivers/media/pci/mgb4/mgb4_core.c
> create mode 100644 drivers/media/pci/mgb4/mgb4_core.h
> create mode 100644 drivers/media/pci/mgb4/mgb4_dma.c
> create mode 100644 drivers/media/pci/mgb4/mgb4_dma.h
> create mode 100644 drivers/media/pci/mgb4/mgb4_i2c.c
> create mode 100644 drivers/media/pci/mgb4/mgb4_i2c.h
> create mode 100644 drivers/media/pci/mgb4/mgb4_io.h
> create mode 100644 drivers/media/pci/mgb4/mgb4_regs.c
> create mode 100644 drivers/media/pci/mgb4/mgb4_regs.h
> create mode 100644 drivers/media/pci/mgb4/mgb4_sysfs.h
> create mode 100644 drivers/media/pci/mgb4/mgb4_sysfs_in.c
> create mode 100644 drivers/media/pci/mgb4/mgb4_sysfs_out.c
> create mode 100644 drivers/media/pci/mgb4/mgb4_sysfs_pci.c
> create mode 100644 drivers/media/pci/mgb4/mgb4_trigger.c
> create mode 100644 drivers/media/pci/mgb4/mgb4_trigger.h
> create mode 100644 drivers/media/pci/mgb4/mgb4_vin.c
> create mode 100644 drivers/media/pci/mgb4/mgb4_vin.h
> create mode 100644 drivers/media/pci/mgb4/mgb4_vout.c
> create mode 100644 drivers/media/pci/mgb4/mgb4_vout.h
>

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