[PATCH v2 00/15] staging: vc04_services: bcm2835-isp support

Umang Jain umang.jain at ideasonboard.com
Thu Nov 9 13:02:52 PST 2023


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.

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

-- 
2.41.0




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