Le mardi 17 novembre 2020 à 09:44 +0100, Neil Armstrong a écrit : > The GE2D is a 2D accelerator with various features like configurable blitter > with alpha blending, frame rotation, scaling, format conversion and colorspace > conversion. > > The driver implements a Memory2Memory VB2 V4L2 streaming device permitting: > - 0, 90, 180, 270deg rotation > - horizontal/vertical flipping > - source cropping > - destination compositing > - 32bit/24bit/16bit format conversion > > This adds the support for the GE2D version found in the AXG SoCs Family. > > The missing features are: > - Source scaling > - Colorspace conversion > - Advanced alpha blending & blitting options Is there some Open Source software using this driver ? GStreamer got some support, but it's mostly focused on CSC and Scaling (flipping should work, but rotation is not implemented). But I'm not aware of anything else, hence asking. > > Dependencies: > - Patches 1-3: None > - Patch 4: > https://lkml.kernel.org/r/20200915124553.8056-1-narmstrong@xxxxxxxxxxxx ;(appli > ed for 5.11) > > Changes since v2: > - removed error check in and after get_frame() > - moved the v4l2_file_operations lower in the code to avoid adding > vidioc_setup_cap_fmt on top > - removed all memcpy of pix_fmt > - simplified & fixed ge2d_start_streaming > - added local buffer type check in vidioc_g_selection instead of using > get_frame error > - removed impossible <0 rectangle check, fixed error string > - added comment on condition after V4L2_CID_ROTATE > > Changes since v1: > - Rebased on v5.10-rc1 > > / # v4l2-compliance -s > v4l2-compliance SHA: ea16a7ef13a902793a5c2626b0cefc4d956147f3, 64 bits, 64-bit > time_t > > Compliance test for meson-ge2d device /dev/video0: > > Driver Info: > Driver name : meson-ge2d > Card type : meson-ge2d > Bus info : platform:meson-ge2d > Driver version : 5.9.0 > Capabilities : 0x84208000 > Video Memory-to-Memory > Streaming > Extended Pix Format > Device Capabilities > Device Caps : 0x04208000 > Video Memory-to-Memory > Streaming > Extended Pix Format > > Required ioctls: > test VIDIOC_QUERYCAP: OK > > Allow for multiple opens: > test second /dev/video0 open: OK > test VIDIOC_QUERYCAP: OK > test VIDIOC_G/S_PRIORITY: OK > test for unlimited opens: OK > > test invalid ioctls: OK > Debug ioctls: > test VIDIOC_DBG_G/S_REGISTER: OK > test VIDIOC_LOG_STATUS: OK (Not Supported) > > Input ioctls: > test VIDIOC_G/S_TUNER/ENUM_FREQ_BANDS: OK (Not Supported) > test VIDIOC_G/S_FREQUENCY: OK (Not Supported) > test VIDIOC_S_HW_FREQ_SEEK: OK (Not Supported) > test VIDIOC_ENUMAUDIO: OK (Not Supported) > test VIDIOC_G/S/ENUMINPUT: OK (Not Supported) > test VIDIOC_G/S_AUDIO: OK (Not Supported) > Inputs: 0 Audio Inputs: 0 Tuners: 0 > > Output ioctls: > test VIDIOC_G/S_MODULATOR: OK (Not Supported) > test VIDIOC_G/S_FREQUENCY: OK (Not Supported) > test VIDIOC_ENUMAUDOUT: OK (Not Supported) > test VIDIOC_G/S/ENUMOUTPUT: OK (Not Supported) > test VIDIOC_G/S_AUDOUT: OK (Not Supported) > Outputs: 0 Audio Outputs: 0 Modulators: 0 > > Input/Output configuration ioctls: > test VIDIOC_ENUM/G/S/QUERY_STD: OK (Not Supported) > test VIDIOC_ENUM/G/S/QUERY_DV_TIMINGS: OK (Not Supported) > test VIDIOC_DV_TIMINGS_CAP: OK (Not Supported) > test VIDIOC_G/S_EDID: OK (Not Supported) > > Control ioctls: > test VIDIOC_QUERY_EXT_CTRL/QUERYMENU: OK > test VIDIOC_QUERYCTRL: OK > test VIDIOC_G/S_CTRL: OK > test VIDIOC_G/S/TRY_EXT_CTRLS: OK > test VIDIOC_(UN)SUBSCRIBE_EVENT/DQEVENT: OK > test VIDIOC_G/S_JPEGCOMP: OK (Not Supported) > Standard Controls: 4 Private Controls: 0 > > Format ioctls: > test VIDIOC_ENUM_FMT/FRAMESIZES/FRAMEINTERVALS: OK > test VIDIOC_G/S_PARM: OK (Not Supported) > test VIDIOC_G_FBUF: OK (Not Supported) > test VIDIOC_G_FMT: OK > test VIDIOC_TRY_FMT: OK > test VIDIOC_S_FMT: OK > test VIDIOC_G_SLICED_VBI_CAP: OK (Not Supported) > test Cropping: OK > test Composing: OK > test Scaling: OK (Not Supported) > > Codec ioctls: > test VIDIOC_(TRY_)ENCODER_CMD: OK (Not Supported) > test VIDIOC_G_ENC_INDEX: OK (Not Supported) > test VIDIOC_(TRY_)DECODER_CMD: OK (Not Supported) > > Buffer ioctls: > test VIDIOC_REQBUFS/CREATE_BUFS/QUERYBUF: OK > test VIDIOC_EXPBUF: OK > test Requests: OK (Not Supported) > > Test input 0: > > Streaming ioctls: > test read/write: OK (Not Supported) > test blocking wait: OK > Video Capture: Captured 58 buffers > test MMAP (no poll): OK > Video Capture: Captured 58 buffers > test MMAP (select): OK > Video Capture: Captured 58 buffers > test MMAP (epoll): OK > test USERPTR (no poll): OK (Not Supported) > test USERPTR (select): OK (Not Supported) > test DMABUF: Cannot test, specify --expbuf-device > > Total for meson-ge2d device /dev/video0: 52, Succeeded: 52, Failed: 0, > Warnings: 0 > > Neil Armstrong (4): > dt-bindings: media: Add bindings for the Amlogic GE2D Accelerator Unit > media: meson: Add M2M driver for the Amlogic GE2D Accelerator Unit > MAINTAINERS: Add myself as maintainer of the Amlogic GE2D driver > arm64: dts: meson-axg: add GE2D node > > .../bindings/media/amlogic,axg-ge2d.yaml | 47 + > MAINTAINERS | 9 + > arch/arm64/boot/dts/amlogic/meson-axg.dtsi | 9 + > drivers/media/platform/Kconfig | 13 + > drivers/media/platform/Makefile | 2 + > drivers/media/platform/meson/ge2d/Makefile | 3 + > drivers/media/platform/meson/ge2d/ge2d-regs.h | 360 ++++++ > drivers/media/platform/meson/ge2d/ge2d.c | 1091 +++++++++++++++++ > 8 files changed, 1534 insertions(+) > create mode 100644 Documentation/devicetree/bindings/media/amlogic,axg- > ge2d.yaml > create mode 100644 drivers/media/platform/meson/ge2d/Makefile > create mode 100644 drivers/media/platform/meson/ge2d/ge2d-regs.h > create mode 100644 drivers/media/platform/meson/ge2d/ge2d.c >
