This series includes below changes to allow capturing from HDMI-to-CSI bridges.
- Add DV timing, EDID and log status V4L2 IOCTLs
- Subscribe V4L2_EVENT_SOURCE_CHANGE
- Implement V4L2 device notify callback to report queue error on source change
during active streaming.
- Add support for NV16 V4L2 Pixel format.
- Add x8 capture by multiple ports gang up for 4K captures from HDMI-to-CSI
bridges.
Note: These patches are tested with TC358840 HDMI-to-CSI bridge.
This series also include below fixes
- Allow format change for subdevs that don't have crop support.
- Correct V4L2 Pixel format for RGB888_1X24
- Enable VI pixel transform for YUV and RGB formats.
Delta between patch versions:
[v4]: Includes v3 minor feedback
[v3]: Includes below changes based on v2 feedback
- Correct V4L2 pixel formats for RGB and YUV.
- Sets V4L2_IN_CAP_DV_TIMINGS capability for v4l2 input.
- Updates V4L2_FWNODE_CSI2_MAX_DATA_LANES to 8 and uses
data-lanes property of Tegra CSI device graph endpoint
for 8 lanes.
- Added V4L2 custom control V4L2_CID_TEGRA_SYNCPT_TIMEOUT_RETRY
for HDMI-to-CSI bridge debug purposes.
[v2]: v1 + additional patch for x8 capture support
Sowjanya Komatineni (13):
media: tegra-video: Use zero crop settings if subdev has no
get_selection
media: tegra-video: Enable VI pixel transform for YUV and RGB formats
media: tegra-video: Fix V4L2 pixel format RGB and YUV
media: tegra-video: Add support for V4L2_PIX_FMT_NV16
media: tegra-video: Add DV timing support
media: tegra-video: Add support for EDID ioctl ops
media: tegra-video: Add support for VIDIOC_LOG_STATUS ioctl
media: tegra-video: Add support for V4L2_EVENT_SOURCE_CHANGE
media: tegra-video: Implement V4L2 device notify callback
media: v4l2-fwnode: Update V4L2_FWNODE_CSI2_MAX_DATA_LANES to 8
dt-bindings: tegra: Update csi data-lanes to maximum 8 lanes
media: tegra-video: Add support for x8 captures with gang ports
media: tegra-video: Add custom V4L2 control
V4L2_CID_TEGRA_SYNCPT_TIMEOUT_RETRY
.../display/tegra/nvidia,tegra20-host1x.txt | 4 +-
drivers/staging/media/tegra-video/csi.c | 35 ++-
drivers/staging/media/tegra-video/csi.h | 14 +-
drivers/staging/media/tegra-video/tegra210.c | 340 ++++++++++++++-------
drivers/staging/media/tegra-video/vi.c | 338 +++++++++++++++++---
drivers/staging/media/tegra-video/vi.h | 23 +-
drivers/staging/media/tegra-video/video.c | 18 ++
include/media/v4l2-fwnode.h | 2 +-
8 files changed, 614 insertions(+), 160 deletions(-)
--
2.7.4
