[PATCH v3 0/4] media: meson: Add support for the Amlogic GE2D Accelerator Unit
Neil Armstrong
narmstrong at baylibre.com
Tue Dec 8 12:22:40 EST 2020
Hi,
On 08/12/2020 17:54, Nicolas Dufresne wrote:
> 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.
Rotation orks with gstreamer by tweaking the rotation control manually and forcing the reversed height/width
after the v4l2convert.
Apart that, I made it works with the LVGL UI library to accelerate buffers switching and blitting
on the DRM buffers.
Neil
>
>>
>> Dependencies:
>> - Patches 1-3: None
>> - Patch 4:
>> https://lkml.kernel.org/r/20200915124553.8056-1-narmstrong@baylibre.com (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
>>
>
>
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