Hello, On Thu, Nov 09, 2023 at 04:02:52PM -0500, Umang Jain wrote: > This series aims to upport bcm2835-isp from the RPi kernel. > It is developed on top of staging-next which comprises many > VC04 changes for it's de-staging. Hence, the merge of this > driver is targeted when VC04 is de-staged completely (which I > have been pushing), but it can be helped getting reviewed meanwhile. > Hence, the reason for posting the series. Related question, what do people think about dropping the legacy firmware-based bcm2385-camera driver once this gets merged ? firmware-based camera operation is deprecated by Raspberry Pi, and doesn't work on the Pi 5. > Patch (01-02)/15 adds a new driver named vc-sm-cma to handle memory sharing > with the VC4 VPU. > > Patch 03/15 adds a small extension to videobuf2 to allow exporting as a > dma_buf instead of a file-descriptor. > > Patch (04-05)/15 adds a couple of improvements/support for > bcm2835-isp(event callback and zero-copy) to vchiq-mmal. > > Patch (06-10)/15 adds the core bcm2835-isp driver along with headers > and format defintions. 09/15 is a standalone patch which can be merged > independently I believe. > > Patch (11-12)/15 deals with the colorspace support. > > Patch 13/15 allows multiple instances of the ISP. > > Patch 14/15 adds a admin-guide document on bcm2835-isp. > > Patch 15/15 deals with driver registeration. > > Dave Stevenson (6): > staging: vc04_services: Add new vc-sm-cma driver > media: videobuf2: Allow exporting of a struct dmabuf > staging: mmal-vchiq: Add support for event callbacks > staging: mmal-vchiq: Use vc-sm-cma to support zero copy > staging: mmal_vchiq: Add image formats to be used by bcm2835-isp > uapi: bcm2835-isp: Add bcm2835-isp uapi header file > > David Plowman (2): > vc04_services: bcm2835-isp: Allow formats with different colour spaces > vc04_services: bcm2835-isp: Permit all sRGB colour spaces on ISP > outputs > > Naushir Patuck (4): > media: uapi: v4l2-core: Add ISP statistics output V4L2 fourcc type > staging: vc04_services: bcm2835-isp: Add a more complex ISP processing > component > staging: vc04_services: bcm2835_isp: Allow multiple users > docs: admin-guide: media: bcm2835-isp: Add documentation for > bcm2835-isp > > Umang Jain (3): > staging: vc04_services: vchiq_arm: Register vcsm-cma driver > staging: vc04_services: Add helpers for vchiq driver data > staging: vc04_services: vchiq: Register bcm2835-isp > > .../admin-guide/media/bcm2835-isp.rst | 127 ++ > .../userspace-api/media/drivers/index.rst | 1 + > .../userspace-api/media/v4l/meta-formats.rst | 1 + > .../v4l/pixfmt-meta-bcm2835-isp-stats.rst | 32 + > MAINTAINERS | 9 + > .../media/common/videobuf2/videobuf2-core.c | 36 +- > drivers/media/v4l2-core/v4l2-ioctl.c | 1 + > drivers/staging/vc04_services/Kconfig | 4 + > drivers/staging/vc04_services/Makefile | 3 +- > .../staging/vc04_services/bcm2835-isp/Kconfig | 14 + > .../vc04_services/bcm2835-isp/Makefile | 4 + > .../bcm2835-isp/bcm2835-isp-ctrls.h | 72 + > .../bcm2835-isp/bcm2835-isp-fmts.h | 559 +++++ > .../bcm2835-isp/bcm2835-v4l2-isp.c | 1822 +++++++++++++++++ > .../interface/vchiq_arm/vchiq_arm.c | 6 + > .../interface/vchiq_arm/vchiq_bus.h | 10 + > .../staging/vc04_services/vc-sm-cma/Kconfig | 10 + > .../staging/vc04_services/vc-sm-cma/Makefile | 4 + > .../staging/vc04_services/vc-sm-cma/vc_sm.c | 817 ++++++++ > .../staging/vc04_services/vc-sm-cma/vc_sm.h | 54 + > .../vc04_services/vc-sm-cma/vc_sm_cma_vchi.c | 507 +++++ > .../vc04_services/vc-sm-cma/vc_sm_cma_vchi.h | 63 + > .../vc04_services/vc-sm-cma/vc_sm_defs.h | 187 ++ > .../vc04_services/vc-sm-cma/vc_sm_knl.h | 28 + > .../staging/vc04_services/vchiq-mmal/Kconfig | 1 + > .../vc04_services/vchiq-mmal/mmal-common.h | 5 + > .../vc04_services/vchiq-mmal/mmal-encodings.h | 66 + > .../vc04_services/vchiq-mmal/mmal-msg.h | 35 + > .../vchiq-mmal/mmal-parameters.h | 165 +- > .../vc04_services/vchiq-mmal/mmal-vchiq.c | 253 ++- > .../vc04_services/vchiq-mmal/mmal-vchiq.h | 5 + > include/media/videobuf2-core.h | 15 + > include/uapi/linux/bcm2835-isp.h | 347 ++++ > include/uapi/linux/v4l2-controls.h | 5 + > include/uapi/linux/videodev2.h | 1 + > 35 files changed, 5235 insertions(+), 34 deletions(-) > create mode 100644 Documentation/admin-guide/media/bcm2835-isp.rst > create mode 100644 Documentation/userspace-api/media/v4l/pixfmt-meta-bcm2835-isp-stats.rst > create mode 100644 drivers/staging/vc04_services/bcm2835-isp/Kconfig > create mode 100644 drivers/staging/vc04_services/bcm2835-isp/Makefile > create mode 100644 drivers/staging/vc04_services/bcm2835-isp/bcm2835-isp-ctrls.h > create mode 100644 drivers/staging/vc04_services/bcm2835-isp/bcm2835-isp-fmts.h > create mode 100644 drivers/staging/vc04_services/bcm2835-isp/bcm2835-v4l2-isp.c > create mode 100644 drivers/staging/vc04_services/vc-sm-cma/Kconfig > create mode 100644 drivers/staging/vc04_services/vc-sm-cma/Makefile > create mode 100644 drivers/staging/vc04_services/vc-sm-cma/vc_sm.c > create mode 100644 drivers/staging/vc04_services/vc-sm-cma/vc_sm.h > create mode 100644 drivers/staging/vc04_services/vc-sm-cma/vc_sm_cma_vchi.c > create mode 100644 drivers/staging/vc04_services/vc-sm-cma/vc_sm_cma_vchi.h > create mode 100644 drivers/staging/vc04_services/vc-sm-cma/vc_sm_defs.h > create mode 100644 drivers/staging/vc04_services/vc-sm-cma/vc_sm_knl.h > create mode 100644 include/uapi/linux/bcm2835-isp.h -- Regards, Laurent Pinchart
