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From: Maxime Ripard <maxime.ripard@bootlin.com>
To: Hans Verkuil <hans.verkuil@cisco.com>,
Sakari Ailus <sakari.ailus@linux.intel.com>,
Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
linux-media@vger.kernel.org, Chen-Yu Tsai <wens@csie.org>,
linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
devicetree@vger.kernel.org, Mark Rutland <mark.rutland@arm.com>,
Rob Herring <robh+dt@kernel.org>,
Frank Rowand <frowand.list@gmail.com>,
Maxime Ripard <maxime.ripard@bootlin.com>
Subject: [PATCH v5 0/5] media: Allwinner A10 CSI support
Date: Fri, 5 Apr 2019 16:38:18 +0200
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<cover.75d1c91ecddbc451d0e0e961f7ea7f045afd3a79.1554475081.git-series.maxime.ripard@bootlin.com>
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media: Allwinner A10 CSI support
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Hi, Here is a series introducing the support for the A10 (and SoCs of the same generation) CMOS Sensor Interface (called CSI, not to be confused with MIPI-CSI, which isn't support by that IP). That interface is pretty straightforward, but the driver has a few issues that I wanted to bring up: * The only board I've been testing this with has an ov5640 sensor attached, which doesn't work with the upstream driver. Copying the Allwinner init sequence works though, and this is how it has been tested. Testing with a second sensor would allow to see if it's an issue on the CSI side or the sensor side. * We don't have support for the ISP at the moment, but this can be added eventually. Here is the v4l2-compliance output (commit f61132e81d79 of v4l-utils) v4l2-compliance SHA: not available, 32 bits Compliance test for device /dev/video1: Driver Info: Driver name : sun4i_csi Card type : sun4i-csi Bus info : platform:1c09000.csi Driver version : 5.1.0 Capabilities : 0x84201000 Video Capture Multiplanar Streaming Extended Pix Format Device Capabilities Device Caps : 0x04201000 Video Capture Multiplanar Streaming Extended Pix Format Media Driver Info: Driver name : sun4i-csi Model : Allwinner Video Capture Device Serial : Bus info : Media version : 5.1.0 Hardware revision: 0x00000000 (0) Driver version : 5.1.0 Interface Info: ID : 0x0300000a Type : V4L Video Entity Info: ID : 0x00000008 (8) Name : sun4i_csi Function : V4L2 I/O Pad 0x01000009 : 0: Sink, Must Connect Link 0x0200000c: from remote pad 0x1000007 of entity 'sun4i-csi-0': Data, Enabled, Immutable Required ioctls: test MC information (see 'Media Driver Info' above): OK test VIDIOC_QUERYCAP: OK Allow for multiple opens: test second /dev/video1 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 (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 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) Control ioctls (Input 0): test VIDIOC_QUERY_EXT_CTRL/QUERYMENU: OK (Not Supported) test VIDIOC_QUERYCTRL: OK (Not Supported) test VIDIOC_G/S_CTRL: OK (Not Supported) test VIDIOC_G/S/TRY_EXT_CTRLS: OK (Not Supported) test VIDIOC_(UN)SUBSCRIBE_EVENT/DQEVENT: OK (Not Supported) test VIDIOC_G/S_JPEGCOMP: OK (Not Supported) Standard Controls: 0 Private Controls: 0 Format ioctls (Input 0): 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 (Input 0): 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 (Input 0): test VIDIOC_REQBUFS/CREATE_BUFS/QUERYBUF: OK test VIDIOC_EXPBUF: OK Test input 0: Streaming ioctls: test read/write: OK (Not Supported) test blocking wait: OK test MMAP: OK test USERPTR: OK (Not Supported) test DMABUF: OK (Not Supported) Stream using all formats: test MMAP for Format YM12, Frame Size 2x2: Stride 2, Field None: OK test MMAP for Format YM12, Frame Size 2x2: Stride 2, Field None: OK test MMAP for Format YM12, Frame Size 640x480: Stride 640, Field None: OK Total: 52, Succeeded: 52, Failed: 0, Warnings: 0 Let me know what you think, Maxime Changes from v4: - Created an intermediate sub-device Changes from v3: - Rebased on v5.1-rc - Fixed the YAML binding according to Rob's review Changes from v2: - Address a few minors comments on the error path, the return type of some functions, the type of some variables - Disable the device if the subdev call fails in start_streaming - Use __maybe_unused and SET_RUNTIME_PM_OPS for the runtime PM hooks - Call media_device_cleanup in the remove function - Add a dependency on the subdev API and the common clock framework - Fix the MAINTAINERS entry to point to the yaml file - Add the of graph bindings to the YAML schemas - Rebase on next Changes from v1: - Make sure it's compliant with a much newer v4l2-compliance - Conversion of the DT bindings to a JSON schema - Drop the vendor properties and use a separate compatible instead - Fix an issue on the last frame where we would not have any buffer queued and would report an error by using a scratch buffer - Fix the warnings reported by v4l2-compliance - Rebase on top of 5.0-rc1 - Added a MAINTAINERS entry - Switched to strscpy - Fixed SPDX header Maxime Ripard (5): dt-bindings: media: Add Allwinner A10 CSI binding media: sunxi: Refactor the Makefile and Kconfig media: sunxi: Add A10 CSI driver ARM: dts: sun7i: Add CSI0 controller DO NOT MERGE: ARM: dts: bananapi: Add Camera support Documentation/devicetree/bindings/media/allwinner,sun4i-a10-csi.yaml | 94 +++++++++++++++- MAINTAINERS | 8 +- arch/arm/boot/dts/sun7i-a20-bananapi.dts | 91 +++++++++++++++- arch/arm/boot/dts/sun7i-a20.dtsi | 11 ++- drivers/media/platform/Kconfig | 2 +- drivers/media/platform/Makefile | 2 +- drivers/media/platform/sunxi/Kconfig | 2 +- drivers/media/platform/sunxi/Makefile | 2 +- drivers/media/platform/sunxi/sun4i-csi/Kconfig | 11 ++- drivers/media/platform/sunxi/sun4i-csi/Makefile | 5 +- drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c | 308 +++++++++++++++++++++++++++++++++++++++++++++++++++- drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.h | 154 +++++++++++++++++++++++++- drivers/media/platform/sunxi/sun4i-csi/sun4i_dma.c | 438 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++- drivers/media/platform/sunxi/sun4i-csi/sun4i_v4l2.c | 300 +++++++++++++++++++++++++++++++++++++++++++++++++- 14 files changed, 1426 insertions(+), 2 deletions(-) create mode 100644 Documentation/devicetree/bindings/media/allwinner,sun4i-a10-csi.yaml create mode 100644 drivers/media/platform/sunxi/Kconfig create mode 100644 drivers/media/platform/sunxi/Makefile create mode 100644 drivers/media/platform/sunxi/sun4i-csi/Kconfig create mode 100644 drivers/media/platform/sunxi/sun4i-csi/Makefile create mode 100644 drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c create mode 100644 drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.h create mode 100644 drivers/media/platform/sunxi/sun4i-csi/sun4i_dma.c create mode 100644 drivers/media/platform/sunxi/sun4i-csi/sun4i_v4l2.c base-commit: e1563fea2b0e8445c6d4d7193a32545dde225d77