[PATCH v3 0/8] Add support for DCMI camera interface of STMicroelectronics STM32 SoC series
Hans Verkuil
hverkuil at xs4all.nl
Mon Apr 10 01:55:08 PDT 2017
On 04/04/2017 05:44 PM, Hugues Fruchet wrote:
> This patchset introduces a basic support for Digital Camera Memory Interface
> (DCMI) of STMicroelectronics STM32 SoC series.
>
> This first basic support implements RGB565 & YUV frame grabbing.
> Cropping and JPEG support will be added later on.
>
> This has been tested on STM324x9I-EVAL evaluation board embedding
> an OV2640 camera sensor.
>
> This driver depends on:
> - [PATCHv6 00/14] atmel-isi/ov7670/ov2640: convert to standalone drivers http://www.spinics.net/lists/linux-media/msg113480.html
>
> ===========
> = history =
> ===========
> version 3:
> - stm32-dcmi: Add "Reviewed-by: Hans Verkuil <hans.verkuil at cisco.com>"
> - dt-bindings: Fix remarks from Rob Herring:
> http://www.mail-archive.com/linux-media@vger.kernel.org/msg110956.html
>
> version 2:
> - Fix a Kbuild warning in probe:
> http://www.mail-archive.com/linux-media@vger.kernel.org/msg110678.html
> - Fix a warning in dcmi_queue_setup()
> - dt-bindings: warn on sensor signals level inversion in board example
> - Typos fixing
>
> version 1:
> - Initial submission
>
> ===================
> = v4l2-compliance =
> ===================
> Below is the v4l2-compliance report for this current version of the DCMI camera interface.
> v4l2-compliance has been built from v4l-utils-1.12.3.
Please test with 'v4l2-compliance -s -f' as well and mail me the output of
that test.
Once you have the Acks for the DT/bindings patches just let me know and I'll
make a pull request.
Regards,
Hans
>
> v4l2-compliance SHA : f5f45e17ee98a0ebad7836ade2b34ceec909d751
>
> Driver Info:
> Driver name : stm32-dcmi
> Card type : STM32 Digital Camera Memory Int
> Bus info : platform:dcmi
> Driver version: 4.11.0
> Capabilities : 0x85200001
> Video Capture
> Read/Write
> Streaming
> Extended Pix Format
> Device Capabilities
> Device Caps : 0x05200001
> Video Capture
> Read/Write
> Streaming
> Extended Pix Format
>
> Compliance test for device /dev/video0 (not using libv4l2):
>
> Required ioctls:
> test VIDIOC_QUERYCAP: OK
>
> Allow for multiple opens:
> test second video open: OK
> test VIDIOC_QUERYCAP: OK
> test VIDIOC_G/S_PRIORITY: OK
> test for unlimited opens: OK
>
> Debug ioctls:
> test VIDIOC_DBG_G/S_REGISTER: OK (Not Supported)
> test VIDIOC_LOG_STATUS: OK
>
> 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
> test VIDIOC_G/S_AUDIO: OK (Not Supported)
> Inputs: 1 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)
>
> Test input 0:
>
> 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: 3 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 (Not Supported)
> test Composing: OK (Not Supported)
> test Scaling: OK
>
> 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 input 0:
>
> Streaming ioctls:
> test read/write: OK
> test MMAP: OK
> test USERPTR: OK (Not Supported)
> test DMABUF: Cannot test, specify --expbuf-device
>
>
> Total: 46, Succeeded: 46, Failed: 0, Warnings: 0
>
> Hugues Fruchet (8):
> dt-bindings: Document STM32 DCMI bindings
> [media] stm32-dcmi: STM32 DCMI camera interface driver
> ARM: dts: stm32: Enable DCMI support on STM32F429 MCU
> ARM: dts: stm32: Enable DCMI camera interface on STM32F429-EVAL board
> ARM: dts: stm32: Enable STMPE1600 gpio expander of STM32F429-EVAL
> board
> ARM: dts: stm32: Enable OV2640 camera support of STM32F429-EVAL board
> ARM: configs: stm32: STMPE1600 GPIO expander
> ARM: configs: stm32: DCMI + OV2640 camera support
>
> .../devicetree/bindings/media/st,stm32-dcmi.txt | 46 +
> arch/arm/boot/dts/stm32429i-eval.dts | 56 +
> arch/arm/boot/dts/stm32f429.dtsi | 37 +
> arch/arm/configs/stm32_defconfig | 9 +
> drivers/media/platform/Kconfig | 12 +
> drivers/media/platform/Makefile | 2 +
> drivers/media/platform/stm32/Makefile | 1 +
> drivers/media/platform/stm32/stm32-dcmi.c | 1419 ++++++++++++++++++++
> 8 files changed, 1582 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/media/st,stm32-dcmi.txt
> create mode 100644 drivers/media/platform/stm32/Makefile
> create mode 100644 drivers/media/platform/stm32/stm32-dcmi.c
>
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