From: Paul Kocialkowski <paul.kocialkowski@bootlin.com> To: linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, devel@driverdev.osuosl.org, linux-sunxi@googlegroups.com Cc: Yong Deng <yong.deng@magewell.com>, Mauro Carvalho Chehab <mchehab@kernel.org>, Rob Herring <robh+dt@kernel.org>, Maxime Ripard <mripard@kernel.org>, Chen-Yu Tsai <wens@csie.org>, Jernej Skrabec <jernej.skrabec@siol.net>, Paul Kocialkowski <paul.kocialkowski@bootlin.com>, Jonathan Corbet <corbet@lwn.net>, Kishon Vijay Abraham I <kishon@ti.com>, Vinod Koul <vkoul@kernel.org>, Helen Koike <helen.koike@collabora.com>, Dafna Hirschfeld <dafna.hirschfeld@collabora.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Philipp Zabel <p.zabel@pengutronix.de>, Sakari Ailus <sakari.ailus@linux.intel.com>, Hans Verkuil <hans.verkuil@cisco.com>, Thomas Petazzoni <thomas.petazzoni@bootlin.com>, kevin.lhopital@hotmail.com Subject: [PATCH v3 00/15] Allwinner MIPI CSI-2 support for A31/V3s/A83T Date: Fri, 11 Dec 2020 16:56:53 +0100 Message-ID: <20201211155708.154710-1-paul.kocialkowski@bootlin.com> (raw) This series introduces support for MIPI CSI-2, with the A31 controller that is found on most SoCs (A31, V3s and probably V5) as well as the A83T-specific controller. While the former uses the same MIPI D-PHY that is already supported for DSI, the latter embeds its own D-PHY. In order to distinguish the use of the D-PHY between Rx mode (for MIPI CSI-2) and Tx mode (for MIPI DSI), a submode is introduced for D-PHY in the PHY API. This allows adding Rx support in the A31 D-PHY driver. A few changes and fixes are applied to the A31 CSI controller driver, in order to support the MIPI CSI-2 use-case. Changes since v2: - added Kconfig depend on PM since it's not optional; - removed phy-names for A31 MIPI CSI-2 controller; - removed v3s compatible in the A31 MIPI CSI-2 controller driver; - removed A31 CSI controller single-port binding deprecation; - removed empty dt port definitions; - fixed minor checkpatch warnings; - added collected tags; - added media-ctl output in cover letter. Changes since v1: - reworked fwnode and media graph on the CSI controller end to have one port per interface, which solves the bus type representation issue; - removed unused IRQ handlers in the MIPI CSI-2 bridges; - avoided the use of devm_regmap_init_mmio_clk; - deasserted reset before enabling clocks; - fixed reported return code issues (ret |=, missing checks); - applied requested cosmetic changes (backward goto, etc); - switched over to runtime PM for the mipi csi-2 bridge drivers; - selected PHY_SUN6I_MIPI_DPHY in Kconfig for sun6i-mipi-csi2; - registered nodes with mipi csi-2 bridge subdevs; - used V4L2 format info instead of switch/case for sun6i-csi bpp; - fixed device-tree bindings as requested (useless properties, license); - fixed mipi bridge dt instances names; - added PHY API documentation about mode/power on order requirement; - fixed clock error return code in d-phy code; - fixed D-PHY mode check in d-phy code; - added MAINTAINERS entries for the new drivers; - added V4L2 compliance results; - added various comments and rework commit mesages as requested. Media ctl outputs for the testing setups are available below: # sun6i-csi + sun6i-mipi-csi2 + ov5648 Media device information ------------------------ driver sun6i-csi model Allwinner Video Capture Device serial bus info platform:1cb0000.camera hw revision 0x0 driver version 5.10.0 Device topology - entity 1: sun6i-csi (2 pads, 1 link) type Node subtype V4L flags 0 device node name /dev/video0 pad0: Sink pad1: Sink <- "sun6i-mipi-csi2":1 [ENABLED] - entity 6: sun6i-mipi-csi2 (2 pads, 2 links) type V4L2 subdev subtype Unknown flags 0 device node name /dev/v4l-subdev0 pad0: Sink [fmt:unknown/0x0] <- "ov5648 0-0036":0 [ENABLED,IMMUTABLE] pad1: Source [fmt:unknown/0x0] -> "sun6i-csi":1 [ENABLED] - entity 9: ov5648 0-0036 (1 pad, 1 link) type V4L2 subdev subtype Sensor flags 0 device node name /dev/v4l-subdev1 pad0: Source [fmt:SBGGR8_1X8/2592x1944@1/15 field:none colorspace:raw xfer:none ycbcr:601 quantization:full-range] -> "sun6i-mipi-csi2":0 [ENABLED,IMMUTABLE] # sun6i-csi + sun8i-a83t-mipi-csi2 + ov8865 Media device information ------------------------ driver sun6i-csi model Allwinner Video Capture Device serial bus info platform:1cb0000.camera hw revision 0x0 driver version 5.10.0 Device topology - entity 1: sun6i-csi (2 pads, 1 link) type Node subtype V4L flags 0 device node name /dev/video0 pad0: Sink pad1: Sink <- "sun8i-a83t-mipi-csi2":1 [ENABLED] - entity 6: sun8i-a83t-mipi-csi2 (2 pads, 2 links) type V4L2 subdev subtype Unknown flags 0 device node name /dev/v4l-subdev0 pad0: Sink [fmt:unknown/0x0] <- "ov8865 1-0036":0 [ENABLED,IMMUTABLE] pad1: Source [fmt:unknown/0x0] -> "sun6i-csi":1 [ENABLED] - entity 9: ov8865 1-0036 (1 pad, 1 link) type V4L2 subdev subtype Sensor flags 0 device node name /dev/v4l-subdev1 pad0: Source [fmt:SBGGR10_1X10/3264x2448@1/30 field:none colorspace:raw xfer:none ycbcr:601 quantization:full-range] -> "sun8i-a83t-mipi-csi2":0 [ENABLED,IMMUTABLE] V4L2 compliance runs are available below: # sun6i-csi + sun6i-mipi-csi2 + ov5648 v4l2-compliance SHA: not available, 32 bits Compliance test for sun6i-video device /dev/video0: Driver Info: Driver name : sun6i-video Card type : sun6i-csi Bus info : platform:camera Driver version : 5.10.0 Capabilities : 0x84200001 Video Capture Streaming Extended Pix Format Device Capabilities Device Caps : 0x04200001 Video Capture Streaming Extended Pix Format Media Driver Info: Driver name : sun6i-csi Model : Allwinner Video Capture Device Serial : Bus info : platform:1cb0000.camera Media version : 5.10.0 Hardware revision: 0x00000000 (0) Driver version : 5.10.0 Interface Info: ID : 0x03000004 Type : V4L Video Entity Info: ID : 0x00000001 (1) Name : sun6i-csi Function : V4L2 I/O Pad 0x01000002 : 0: Sink Pad 0x01000003 : 1: Sink Link 0x0200000d: from remote pad 0x1000008 of entity 'sun6i-mipi-csi2': Data, Enabled Required ioctls: test MC information (see 'Media Driver Info' above): OK warn: v4l2-compliance.cpp(633): media bus_info 'platform:1cb0000.camera' differs from V4L2 bus_info 'platform:camera' test VIDIOC_QUERYCAP: OK Allow for multiple opens: test second /dev/video0 open: OK warn: v4l2-compliance.cpp(633): media bus_info 'platform:1cb0000.camera' differs from V4L2 bus_info 'platform:camera' 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) Control ioctls (Input 0): warn: v4l2-test-controls.cpp(92): Exposure: (max - min) % step != 0 warn: v4l2-test-controls.cpp(92): Gain: (max - min) % step != 0 warn: v4l2-test-controls.cpp(92): Exposure: (max - min) % step != 0 warn: v4l2-test-controls.cpp(92): Gain: (max - min) % step != 0 test VIDIOC_QUERY_EXT_CTRL/QUERYMENU: OK test VIDIOC_QUERYCTRL: OK warn: v4l2-test-controls.cpp(368): Gain: returned control value 44 not a multiple of step warn: v4l2-test-controls.cpp(368): Gain: returned control value 44 not a multiple of step warn: v4l2-test-controls.cpp(368): Gain: returned control value 44 not a multiple of step warn: v4l2-test-controls.cpp(368): Gain: returned control value 44 not a multiple of step test VIDIOC_G/S_CTRL: OK warn: v4l2-test-controls.cpp(555): Gain: returned control value 44 not a multiple of step 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: 15 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 fail: v4l2-test-buffers.cpp(755): q.export_bufs(node, q.g_type()) test VIDIOC_EXPBUF: FAIL test Requests: OK (Not Supported) Total for sun6i-video device /dev/video0: 45, Succeeded: 44, Failed: 1, Warnings: 1 # sun6i-csi + sun8i-a83t-mipi-csi2 + ov8865 v4l2-compliance SHA: not available, 32 bits Compliance test for sun6i-video device /dev/video0: Driver Info: Driver name : sun6i-video Card type : sun6i-csi Bus info : platform:camera Driver version : 5.10.0 Capabilities : 0x84200001 Video Capture Streaming Extended Pix Format Device Capabilities Device Caps : 0x04200001 Video Capture Streaming Extended Pix Format Media Driver Info: Driver name : sun6i-csi Model : Allwinner Video Capture Device Serial : Bus info : platform:1cb0000.camera Media version : 5.10.0 Hardware revision: 0x00000000 (0) Driver version : 5.10.0 Interface Info: ID : 0x03000004 Type : V4L Video Entity Info: ID : 0x00000001 (1) Name : sun6i-csi Function : V4L2 I/O Pad 0x01000002 : 0: Sink Pad 0x01000003 : 1: Sink Link 0x0200000d: from remote pad 0x1000008 of entity 'sun8i-a83t-mipi-csi2': Data, Enabled Required ioctls: test MC information (see 'Media Driver Info' above): OK warn: v4l2-compliance.cpp(633): media bus_info 'platform:1cb0000.camera' differs from V4L2 bus_info 'platform:camera' test VIDIOC_QUERYCAP: OK Allow for multiple opens: test second /dev/video0 open: OK warn: v4l2-compliance.cpp(633): media bus_info 'platform:1cb0000.camera' differs from V4L2 bus_info 'platform:camera' 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) Control ioctls (Input 0): warn: v4l2-test-controls.cpp(92): Exposure: (max - min) % step != 0 warn: v4l2-test-controls.cpp(92): Gain: (max - min) % step != 0 warn: v4l2-test-controls.cpp(92): Exposure: (max - min) % step != 0 warn: v4l2-test-controls.cpp(92): Gain: (max - min) % step != 0 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: 11 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 Requests: OK (Not Supported) Total for sun6i-video device /dev/video0: 45, Succeeded: 45, Failed: 0, Warnings: 6 Paul Kocialkowski (15): docs: phy: Add a part about PHY mode and submode phy: Distinguish between Rx and Tx for MIPI D-PHY with submodes phy: allwinner: phy-sun6i-mipi-dphy: Support D-PHY Rx mode for MIPI CSI-2 media: sun6i-csi: Use common V4L2 format info for storage bpp media: sun6i-csi: Only configure the interface data width for parallel dt-bindings: media: sun6i-a31-csi: Add MIPI CSI-2 input port media: sun6i-csi: Add support for MIPI CSI-2 bridge input dt-bindings: media: Add A31 MIPI CSI-2 bindings documentation media: sunxi: Add support for the A31 MIPI CSI-2 controller ARM: dts: sun8i: v3s: Add nodes for MIPI CSI-2 support MAINTAINERS: Add entry for the Allwinner A31 MIPI CSI-2 bridge dt-bindings: media: Add A83T MIPI CSI-2 bindings documentation media: sunxi: Add support for the A83T MIPI CSI-2 controller ARM: dts: sun8i: a83t: Add MIPI CSI-2 controller node MAINTAINERS: Add entry for the Allwinner A83T MIPI CSI-2 bridge .../media/allwinner,sun6i-a31-csi.yaml | 88 ++- .../media/allwinner,sun6i-a31-mipi-csi2.yaml | 149 ++++ .../media/allwinner,sun8i-a83t-mipi-csi2.yaml | 147 ++++ Documentation/driver-api/phy/phy.rst | 18 + MAINTAINERS | 16 + arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts | 2 +- arch/arm/boot/dts/sun8i-a83t.dtsi | 26 + arch/arm/boot/dts/sun8i-v3s.dtsi | 67 ++ drivers/media/platform/sunxi/Kconfig | 2 + drivers/media/platform/sunxi/Makefile | 2 + .../platform/sunxi/sun6i-csi/sun6i_csi.c | 165 +++-- .../platform/sunxi/sun6i-csi/sun6i_csi.h | 58 +- .../platform/sunxi/sun6i-csi/sun6i_video.c | 53 +- .../platform/sunxi/sun6i-csi/sun6i_video.h | 7 +- .../platform/sunxi/sun6i-mipi-csi2/Kconfig | 12 + .../platform/sunxi/sun6i-mipi-csi2/Makefile | 4 + .../sunxi/sun6i-mipi-csi2/sun6i_mipi_csi2.c | 590 ++++++++++++++++ .../sunxi/sun6i-mipi-csi2/sun6i_mipi_csi2.h | 117 ++++ .../sunxi/sun8i-a83t-mipi-csi2/Kconfig | 11 + .../sunxi/sun8i-a83t-mipi-csi2/Makefile | 4 + .../sun8i-a83t-mipi-csi2/sun8i_a83t_dphy.c | 92 +++ .../sun8i-a83t-mipi-csi2/sun8i_a83t_dphy.h | 39 ++ .../sun8i_a83t_mipi_csi2.c | 657 ++++++++++++++++++ .../sun8i_a83t_mipi_csi2.h | 197 ++++++ drivers/phy/allwinner/phy-sun6i-mipi-dphy.c | 164 ++++- drivers/staging/media/rkisp1/rkisp1-isp.c | 3 +- include/linux/phy/phy-mipi-dphy.h | 13 + 27 files changed, 2581 insertions(+), 122 deletions(-) create mode 100644 Documentation/devicetree/bindings/media/allwinner,sun6i-a31-mipi-csi2.yaml create mode 100644 Documentation/devicetree/bindings/media/allwinner,sun8i-a83t-mipi-csi2.yaml create mode 100644 drivers/media/platform/sunxi/sun6i-mipi-csi2/Kconfig create mode 100644 drivers/media/platform/sunxi/sun6i-mipi-csi2/Makefile create mode 100644 drivers/media/platform/sunxi/sun6i-mipi-csi2/sun6i_mipi_csi2.c create mode 100644 drivers/media/platform/sunxi/sun6i-mipi-csi2/sun6i_mipi_csi2.h create mode 100644 drivers/media/platform/sunxi/sun8i-a83t-mipi-csi2/Kconfig create mode 100644 drivers/media/platform/sunxi/sun8i-a83t-mipi-csi2/Makefile create mode 100644 drivers/media/platform/sunxi/sun8i-a83t-mipi-csi2/sun8i_a83t_dphy.c create mode 100644 drivers/media/platform/sunxi/sun8i-a83t-mipi-csi2/sun8i_a83t_dphy.h create mode 100644 drivers/media/platform/sunxi/sun8i-a83t-mipi-csi2/sun8i_a83t_mipi_csi2.c create mode 100644 drivers/media/platform/sunxi/sun8i-a83t-mipi-csi2/sun8i_a83t_mipi_csi2.h -- 2.29.2
next reply index Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-12-11 15:56 Paul Kocialkowski [this message] 2020-12-11 15:56 ` [PATCH v3 01/15] docs: phy: Add a part about PHY mode and submode Paul Kocialkowski 2020-12-11 15:56 ` [PATCH v3 02/15] phy: Distinguish between Rx and Tx for MIPI D-PHY with submodes Paul Kocialkowski 2020-12-11 15:56 ` [PATCH v3 03/15] phy: allwinner: phy-sun6i-mipi-dphy: Support D-PHY Rx mode for MIPI CSI-2 Paul Kocialkowski 2020-12-11 15:56 ` [PATCH v3 04/15] media: sun6i-csi: Use common V4L2 format info for storage bpp Paul Kocialkowski 2020-12-11 15:56 ` [PATCH v3 05/15] media: sun6i-csi: Only configure the interface data width for parallel Paul Kocialkowski 2020-12-11 15:56 ` [PATCH v3 06/15] dt-bindings: media: sun6i-a31-csi: Add MIPI CSI-2 input port Paul Kocialkowski 2020-12-14 23:12 ` Rob Herring 2020-12-11 15:57 ` [PATCH v3 07/15] media: sun6i-csi: Add support for MIPI CSI-2 bridge input Paul Kocialkowski 2020-12-14 11:34 ` Maxime Ripard 2020-12-11 15:57 ` [PATCH v3 08/15] dt-bindings: media: Add A31 MIPI CSI-2 bindings documentation Paul Kocialkowski 2020-12-14 11:35 ` Maxime Ripard 2020-12-14 23:14 ` Rob Herring 2020-12-11 15:57 ` [PATCH v3 09/15] media: sunxi: Add support for the A31 MIPI CSI-2 controller Paul Kocialkowski 2020-12-14 11:39 ` Maxime Ripard 2020-12-31 12:54 ` Paul Kocialkowski 2020-12-11 15:57 ` [PATCH v3 10/15] ARM: dts: sun8i: v3s: Add nodes for MIPI CSI-2 support Paul Kocialkowski 2020-12-11 15:57 ` [PATCH v3 11/15] MAINTAINERS: Add entry for the Allwinner A31 MIPI CSI-2 bridge Paul Kocialkowski 2020-12-11 15:57 ` [PATCH v3 12/15] dt-bindings: media: Add A83T MIPI CSI-2 bindings documentation Paul Kocialkowski 2020-12-11 15:57 ` [PATCH v3 13/15] media: sunxi: Add support for the A83T MIPI CSI-2 controller Paul Kocialkowski 2020-12-14 11:41 ` Maxime Ripard 2020-12-11 15:57 ` [PATCH v3 14/15] ARM: dts: sun8i: a83t: Add MIPI CSI-2 controller node Paul Kocialkowski 2020-12-11 15:57 ` [PATCH v3 15/15] MAINTAINERS: Add entry for the Allwinner A83T MIPI CSI-2 bridge Paul Kocialkowski
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