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Working on IMX214 on RockPro64- no stream #67

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belveder79 opened this issue Feb 20, 2023 · 4 comments
Open

Working on IMX214 on RockPro64- no stream #67

belveder79 opened this issue Feb 20, 2023 · 4 comments

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@belveder79
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While I was working on the the IMX214 already last year with limited success, I picked it up again and I need some buddies to discuss the problem I'm facing.

As it seems it is a mixture of device tree problems and problems with the library itself (probably). There is no forum to collect all the findings I made so far, so this is an attempt to do so and make the IMX214 finally work with libcamera - and to provide a working solution that hopefully makes use of libcamera as well.

To start off, here's what I did:

  1. the Rockchip-ISP1 driver is compiling nicely on the latest kernels from 5.15.89-rockchip64, so that should provide a working basis.
  2. the libcamera compiles fine, but lacks support for the IMX214. I opened a pull request with the two minor changes (thx to Marvin Schmidt for providing me with this).
  3. the mainline IMX214 driver lacks certain capabilities that libcamera requires. Therefore I patched it to fix the missing properties. Here is a version with Makefile to compile it outside the kernel branch. Loads fine and finds the camera. I2Ctransfer also does a nice job and gets data out.
  4. the device tree itself for the RockPro64 - it's a mess, but I would say it is 95% working...
/dts-v1/;
/plugin/;

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/pinctrl/rockchip.h>
#include <dt-bindings/clock/rk3399-cru.h>
/ {
	compatible = "rockchip,rk3399";

	fragment@0 {
		target = <&isp0_mmu>;
		__overlay__ {
			status = "okay";
		};
	};

	fragment@1 {
		target = <&mipi_dphy_rx0>;
		__overlay__ {
			status = "okay";
		};
	};

	fragment@2 {
		target = <&isp0>;
		__overlay__ {
			status = "okay";
			ports {
				port@0 {
					#address-cells = <1>;
					#size-cells = <0>;
					mipi_in_wcam: endpoint@0 {
						reg = <0>;
						remote-endpoint = <&wcam_out>;
						data-lanes = <1 2 3 4>;
					};
				};
			};
		};
	};

	fragment@3 {
		target = <&sdio0>;
		__overlay__ {
			status = "disabled";
		};
	};

	fragment@4 {
		target = <&i2c1>;
		__overlay__ {

			status = "okay";

			// https://github.com/friendlyarm/kernel-rockchip/blob/nanopi-r2-v5.15.y/arch/arm64/boot/dts/rockchip/rk3399-gru-scarlet.dtsi
			clock-frequency = <400000>;
			i2c-scl-falling-time-ns = <50>;
			i2c-scl-rising-time-ns = <300>;

			// 24M mclk is shared between world and user cameras
			pinctrl-0 = <&i2c1_xfer &cif_clkouta>;
			// pinctrl-1 = <&wcam_rst>;
			#address-cells = <1>;
			#size-cells = <0>;

			wcam: imx214@10 {
				compatible = "sony,imx214";
				reg = <0x10>;

				vdddo-supply = <&vcc1v8_mipi>;
				vddd-supply = <&vcc1v2_mipi_dvdd>;
				vdda-supply = <&vcc2v8_mipi>;

				reset-gpios = <&gpio0 RK_PB4 GPIO_ACTIVE_LOW>; // GPIO0_B4

				clocks = <&cru SCLK_CIF_OUT>;
				clock-names = "xvclk";

				rotation = <180>;
				orientation = <2>;

				// ORIGINAL BEGIN
				port {
					wcam_out: endpoint {
						data-lanes = <1 2 3 4>;
						link-frequencies = /bits/ 64 <480000000>;
						remote-endpoint = <&mipi_in_wcam>;
					};
				};
				// ORIGINAL END
			};
		};
	};

	fragment@5 {
		target = <&pinctrl>;
		__overlay__ {
			dvp {
				dvp_pwr_en: dvp-pwr-en {
					rockchip,pins = <1 RK_PC7 RK_FUNC_GPIO &pcfg_pull_none>;
				};
			};
			camera {
				wcam_rst: wcam_rst {
					rockchip,pins = <0 RK_PB4 RK_FUNC_GPIO &pcfg_pull_none>;
				};
			};
			cif {
				cif_clkouta: cif-clkouta {
						rockchip,pins = <2 RK_PB3 3 &pcfg_pull_up>;
				};
			};
		};
	};

	fragment@6 {
		target-path = "/";
		__overlay__ {
		  vcc2v8_mipi: vcc2v8-mipi-regulator {
		    compatible = "regulator-fixed";
		    enable-active-high;
		    gpio = <&gpio1 RK_PC7 GPIO_ACTIVE_HIGH>;
		    pinctrl-names = "default";
		    pinctrl-0 = <&dvp_pwr_en>;
		    regulator-name = "vcc2v8_mipi";
		    regulator-always-on;
		    regulator-boot-on;
		    regulator-min-microvolt = <2800000>;
		    regulator-max-microvolt = <2800000>;
		    startup-delay-us = <1000>;
		    vin-supply = <&vcc5v0_sys>;
		  };
		  // turned on automatically as vcc2v8_mipi is turned on...
		  vcc1v8_mipi: vcc1v8-mipi-regulator {
		    compatible = "regulator-fixed";
		    regulator-name = "vcc1v8_mipi";
		    regulator-always-on;
		    regulator-boot-on;
		    regulator-min-microvolt = <1800000>;
		    regulator-max-microvolt = <1800000>;
		    startup-delay-us = <1000>;
		    vin-supply = <&vcc3v3_sys>;
		  };

		  vcc2v8_mipi_af: vcc2v8-mipi-af-regulator {
		    compatible = "regulator-fixed";
		    regulator-name = "vcc2v8_mipi_af";
		    regulator-always-on;
		    regulator-boot-on;
		    regulator-min-microvolt = <2800000>;
		    regulator-max-microvolt = <2800000>;
		    startup-delay-us = <1000>;
		    vin-supply = <&vcc5v0_sys>;
		  };

		  vcc1v2_mipi_dvdd: vcc1v2-mipi-dvdd-regulator {
		    compatible = "regulator-fixed";
		    regulator-name = "vcc1v2_mipi_dvdd";
		    regulator-always-on;
		    regulator-boot-on;
		    regulator-min-microvolt = <1200000>;
		    regulator-max-microvolt = <1200000>;
		    startup-delay-us = <1000>;
		    vin-supply = <&vcc3v3_sys>;
		  };
		};
	};
};

I originally had some trouble setting up the clocks, but those seem to be fine thx to a pro from the Discord forum. According to the specs there is GPIO2_B4 and GPIO0_B4 for the PowerDown-Pins, depending on the MIPI port used, but I can't really make sense out of them.

Anyway, here's the issue: the libcamera works and finds the camera, but stream mapping is broken (it gets stuck). Similarly lc_compliance gets stuck already at the first test. There is also this media-ctl sequence, which should get some data out at some point:

"media-ctl" "-d" "platform:rkisp1" "-l" "'imx214 1-0010':0 -> 'rkisp1_isp':0 [1]"
"media-ctl" "-d" "platform:rkisp1" "-l" "'rkisp1_isp':2 -> 'rkisp1_resizer_selfpath':0 [1]"
"media-ctl" "-d" "platform:rkisp1" "-l" "'rkisp1_isp':2 -> 'rkisp1_resizer_mainpath':0 [0]"
"media-ctl" "-d" "platform:rkisp1" "--set-v4l2" '"imx214 1-0010":0 [fmt:SRGGB10_1X10/1920x1080]'
"media-ctl" "-d" "platform:rkisp1" "--set-v4l2" '"rkisp1_isp":0 [fmt:SRGGB10_1X10/1920x1080 crop: (0,0)/1920x1080]'
"media-ctl" "-d" "platform:rkisp1" "--set-v4l2" '"rkisp1_isp":2 [fmt:YUYV8_2X8/1920x1080 crop: (0,0)/1920x1080]'
"media-ctl" "-d" "platform:rkisp1" "--set-v4l2" '"rkisp1_resizer_selfpath":0 [fmt:YUYV8_2X8/1920x1080 crop: (0,0)/1920x1080]'
"media-ctl" "-d" "platform:rkisp1" "--set-v4l2" '"rkisp1_resizer_selfpath":1 [fmt:YUYV8_2X8/1920x1080]'
"media-ctl" "-d" "platform:rkisp1" "--set-v4l2" '"rkisp1_resizer_mainpath":0 [fmt:YUYV8_2X8/1920x1080 crop: (0,0)/1920x1080]'
"media-ctl" "-d" "platform:rkisp1" "--set-v4l2" '"rkisp1_resizer_mainpath":1 [fmt:YUYV8_2X8/1920x1080]'
"v4l2-ctl" "-z" "platform:rkisp1" "-d" "rkisp1_selfpath" "-v" "width=1920,height=1080,"
"v4l2-ctl" "-z" "platform:rkisp1" "-d" "rkisp1_selfpath" "-v" "pixelformat=422P"

and ultimately

"v4l2-ctl" "-z" "platform:rkisp1" "-d" "rkisp1_selfpath" "--stream-mmap" "--stream-count" "1" --stream-to=single.raw

fails with "broken pipe" or "invalid device" or something similar. So it seems that libcamera has the same problem with the raw stream capture by media-ctl/video-ctl..., and I can't get rid of the feeling that I'm missing something somewhere. There was a conversation on the DietPi forum about this, but no real working solution at the end either...

I have a similar setup for the OV13850 as well, for which I also already patched the devicetree and libcamera - that's a slightly different story, but the outcome is the same... will try to summarize this in an other submission...
@kbingham
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please report the logs from:

LIBCAMERA_LOG_LEVELS=*:0 cam -c1 -C100

(Capture 100 frames from the first camera)

@belveder79
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The output is

# LD_LIBRARY_PATH=~/libcamera-install/lib/aarch64-linux-gnu LIBCAMERA_LOG_LEVELS=*:0 /root/libcamera-install/bin/cam -c1 -C100

[0:02:40.039595825] [1248] DEBUG IPAModule ipa_module.cpp:329 ipa_rkisp1.so: IPA module /root/libcamera-install/lib/aarch64-linux-gnu/libcamera/ipa_rkisp1.so is signed
[0:02:40.040219992] [1248] DEBUG IPAManager ipa_manager.cpp:245 Loaded IPA module '/root/libcamera-install/lib/aarch64-linux-gnu/libcamera/ipa_rkisp1.so'
[0:02:40.042335742] [1248] DEBUG IPAModule ipa_module.cpp:329 ipa_rpi.so: IPA module /root/libcamera-install/lib/aarch64-linux-gnu/libcamera/ipa_rpi.so is signed
[0:02:40.042791617] [1248] DEBUG IPAManager ipa_manager.cpp:245 Loaded IPA module '/root/libcamera-install/lib/aarch64-linux-gnu/libcamera/ipa_rpi.so'
[0:02:40.043682075] [1248]  INFO Camera camera_manager.cpp:299 libcamera v0.0.4+16-2403f514-dirty (2023-02-20T17:22:27+00:00)
[0:02:40.044475742] [1249] DEBUG Camera camera_manager.cpp:108 Starting camera manager
[0:02:40.060605783] [1249] DEBUG DeviceEnumerator device_enumerator.cpp:224 New media device "hantro-vpu" created from /dev/media1
[0:02:40.061164617] [1249] DEBUG DeviceEnumerator device_enumerator_udev.cpp:95 Defer media device /dev/media1 due to 2 missing dependencies
[0:02:40.063264325] [1249] DEBUG DeviceEnumerator device_enumerator_udev.cpp:320 All dependencies for media device /dev/media1 found
[0:02:40.063355908] [1249] DEBUG DeviceEnumerator device_enumerator.cpp:252 Added device /dev/media1: hantro-vpu
[0:02:40.064557575] [1249] DEBUG DeviceEnumerator device_enumerator.cpp:224 New media device "rkvdec" created from /dev/media0
[0:02:40.064720033] [1249] DEBUG DeviceEnumerator device_enumerator_udev.cpp:95 Defer media device /dev/media0 due to 1 missing dependencies
[0:02:40.065613992] [1249] DEBUG DeviceEnumerator device_enumerator_udev.cpp:320 All dependencies for media device /dev/media0 found
[0:02:40.065676700] [1249] DEBUG DeviceEnumerator device_enumerator.cpp:252 Added device /dev/media0: rkvdec
[0:02:40.067020992] [1249] DEBUG DeviceEnumerator device_enumerator.cpp:224 New media device "rkisp1" created from /dev/media2
[0:02:40.067716325] [1249] DEBUG DeviceEnumerator device_enumerator_udev.cpp:95 Defer media device /dev/media2 due to 7 missing dependencies
[0:02:40.072302200] [1249] DEBUG DeviceEnumerator device_enumerator_udev.cpp:320 All dependencies for media device /dev/media2 found
[0:02:40.072410700] [1249] DEBUG DeviceEnumerator device_enumerator.cpp:252 Added device /dev/media2: rkisp1
[0:02:40.073111283] [1249] DEBUG Camera camera_manager.cpp:151 Found registered pipeline handler 'PipelineHandlerISI'
[0:02:40.073884200] [1249] DEBUG Camera camera_manager.cpp:151 Found registered pipeline handler 'PipelineHandlerRPi'
[0:02:40.074085450] [1249] DEBUG RPI raspberrypi.cpp:1254 Unable to acquire a Unicam instance
[0:02:40.074147867] [1249] DEBUG Camera camera_manager.cpp:151 Found registered pipeline handler 'PipelineHandlerRkISP1'
[0:02:40.074700283] [1249] DEBUG DeviceEnumerator device_enumerator.cpp:312 Successful match for media device "rkisp1"
[0:02:40.075686117] [1249] DEBUG V4L2 v4l2_videodevice.cpp:632 /dev/video7[14:cap]: Opened device platform:rkisp1: rkisp1: rkisp1_stats
[0:02:40.076908742] [1249] DEBUG V4L2 v4l2_videodevice.cpp:632 /dev/video8[15:out]: Opened device platform:rkisp1: rkisp1: rkisp1_params
[0:02:40.077648117] [1249] DEBUG V4L2 v4l2_videodevice.cpp:632 /dev/video5[17:cap]: Opened device platform:rkisp1: rkisp1: rkisp1
[0:02:40.078582908] [1249] ERROR V4L2 v4l2_videodevice.cpp:1183 /dev/video5[17:cap]: Unable to enumerate frame sizes: Inappropriate ioctl for device
[0:02:40.078900825] [1249]  INFO RkISP1 rkisp1_path.cpp:91 Failed to enumerate supported formats and sizes, using defaults
[0:02:40.079752492] [1249] DEBUG V4L2 v4l2_videodevice.cpp:632 /dev/video6[19:cap]: Opened device platform:rkisp1: rkisp1: rkisp1
[0:02:40.080396200] [1249] ERROR V4L2 v4l2_videodevice.cpp:1183 /dev/video6[19:cap]: Unable to enumerate frame sizes: Inappropriate ioctl for device
[0:02:40.080557492] [1249]  INFO RkISP1 rkisp1_path.cpp:91 Failed to enumerate supported formats and sizes, using defaults
[0:02:40.083204950] [1249] DEBUG V4L2 v4l2_device.cpp:635 'imx214 1-0010': Control: Exposure (0x00980911)
[0:02:40.084529992] [1249] DEBUG V4L2 v4l2_device.cpp:635 'imx214 1-0010': Control: Horizontal Flip (0x00980914)
[0:02:40.084931617] [1249] DEBUG V4L2 v4l2_device.cpp:635 'imx214 1-0010': Control: Vertical Flip (0x00980915)
[0:02:40.085188867] [1249] DEBUG V4L2 v4l2_device.cpp:635 'imx214 1-0010': Control: Camera Orientation (0x009a0922)
[0:02:40.085703367] [1249] DEBUG V4L2 v4l2_device.cpp:635 'imx214 1-0010': Control: Camera Sensor Rotation (0x009a0923)
[0:02:40.085959450] [1249] DEBUG V4L2 v4l2_device.cpp:635 'imx214 1-0010': Control: Vertical Blanking (0x009e0901)
[0:02:40.086180825] [1249] DEBUG V4L2 v4l2_device.cpp:635 'imx214 1-0010': Control: Horizontal Blanking (0x009e0902)
[0:02:40.086414158] [1249] DEBUG V4L2 v4l2_device.cpp:635 'imx214 1-0010': Control: Analogue Gain (0x009e0903)
[0:02:40.086636783] [1249] DEBUG V4L2 v4l2_device.cpp:635 'imx214 1-0010': Control: Red Pixel Value (0x009e0904)
[0:02:40.086763950] [1249] DEBUG V4L2 v4l2_device.cpp:635 'imx214 1-0010': Control: Green (Red) Pixel Value (0x009e0905)
[0:02:40.086878575] [1249] DEBUG V4L2 v4l2_device.cpp:635 'imx214 1-0010': Control: Blue Pixel Value (0x009e0906)
[0:02:40.086990575] [1249] DEBUG V4L2 v4l2_device.cpp:635 'imx214 1-0010': Control: Green (Blue) Pixel Value (0x009e0907)
[0:02:40.087102867] [1249] DEBUG V4L2 v4l2_device.cpp:629 'imx214 1-0010': Control 0x009e0908 has unsupported type 262
[0:02:40.087179283] [1249] DEBUG V4L2 v4l2_device.cpp:635 'imx214 1-0010': Control: Link Frequency (0x009f0901)
[0:02:40.087314908] [1249] DEBUG V4L2 v4l2_device.cpp:635 'imx214 1-0010': Control: Pixel Rate (0x009f0902)
[0:02:40.087476783] [1249] DEBUG V4L2 v4l2_device.cpp:635 'imx214 1-0010': Control: Test Pattern (0x009f0903)
[0:02:40.087640700] [1249] DEBUG V4L2 v4l2_device.cpp:635 'imx214 1-0010': Control: Digital Gain (0x009f0905)
[0:02:40.104179367] [1249] DEBUG CameraSensor camera_sensor.cpp:655 'imx214 1-0010': Apply test pattern mode 0
[0:02:40.104881992] [1249] DEBUG DelayedControls delayed_controls.cpp:99 Set a delay of 2 and priority write flag 0 for Exposure
[0:02:40.105043283] [1249] DEBUG DelayedControls delayed_controls.cpp:99 Set a delay of 1 and priority write flag 0 for Analogue Gain
[0:02:40.117697533] [1249] DEBUG IPAManager ipa_manager.cpp:303 IPA module /root/libcamera-install/lib/aarch64-linux-gnu/libcamera/ipa_rkisp1.so signature is valid
[0:02:40.118562033] [1249] DEBUG IPAProxy rkisp1_ipa_proxy.cpp:45 initializing rkisp1 proxy: loading IPA from /root/libcamera-install/lib/aarch64-linux-gnu/libcamera/ipa_rkisp1.so
[0:02:40.122723533] [1249] DEBUG IPARkISP1 rkisp1.cpp:147 rkisp1: Hardware revision is 10
[0:02:40.135635325] [1249] DEBUG IPAModuleAlgo module.h:91 rkisp1: Instantiated algorithm 'Agc'
[0:02:40.135986200] [1249] DEBUG IPAModuleAlgo module.h:91 rkisp1: Instantiated algorithm 'Awb'
[0:02:40.136265033] [1249] DEBUG RkISP1Blc blc.cpp:56 Black levels: red 256, green (red) 256, green (blue) 256, blue 256
[0:02:40.136311117] [1249] DEBUG IPAModuleAlgo module.h:91 rkisp1: Instantiated algorithm 'BlackLevelCorrection'
[0:02:40.138339367] [1249] DEBUG IPAModuleAlgo module.h:91 rkisp1: Instantiated algorithm 'LensShadingCorrection'
[0:02:40.140707408] [1249] DEBUG Camera camera_manager.cpp:163 Pipeline handler "PipelineHandlerRkISP1" matched
[0:02:40.141007533] [1249] DEBUG Camera camera_manager.cpp:151 Found registered pipeline handler 'SimplePipelineHandler'
[0:02:40.141171450] [1249] DEBUG Camera camera_manager.cpp:151 Found registered pipeline handler 'PipelineHandlerUVC'
[0:02:40.142583117] [1248] DEBUG Camera camera.cpp:969 streams configuration: (0) 1920x1080-NV12
Using camera /base/i2c@ff110000/imx214@10 as cam0
[0:02:40.143119783] [1248]  INFO Camera camera.cpp:1028 configuring streams: (0) 1920x1080-NV12
[0:02:40.143555825] [1249] DEBUG MediaDevice media_device.cpp:830 /dev/media2[rkisp1]: rkisp1_isp[2] -> rkisp1_resizer_mainpath[0]: 0
[0:02:40.143610367] [1249] DEBUG MediaDevice media_device.cpp:830 /dev/media2[rkisp1]: rkisp1_isp[2] -> rkisp1_resizer_selfpath[0]: 0
[0:02:40.143646242] [1249] DEBUG MediaDevice media_device.cpp:830 /dev/media2[rkisp1]: imx214 1-0010[0] -> rkisp1_isp[0]: 0
[0:02:40.143677742] [1249] DEBUG RkISP1 rkisp1.cpp:1063 Enabling link from sensor 'imx214 1-0010' to ISP
[0:02:40.143704283] [1249] DEBUG MediaDevice media_device.cpp:830 /dev/media2[rkisp1]: imx214 1-0010[0] -> rkisp1_isp[0]: 1
[0:02:40.143752700] [1249] DEBUG MediaDevice media_device.cpp:830 /dev/media2[rkisp1]: rkisp1_isp[2] -> rkisp1_resizer_mainpath[0]: 1
[0:02:40.143783325] [1249] DEBUG RkISP1 rkisp1.cpp:723 Configuring sensor with 1920x1080-SRGGB10_1X10
[0:02:40.147053783] [1249] DEBUG RkISP1 rkisp1.cpp:729 Sensor configured with 1920x1080-SBGGR10_1X10
[0:02:40.147247450] [1249] DEBUG RkISP1 rkisp1.cpp:746 ISP input pad configured with 1920x1080-SBGGR10_1X10 crop (0, 0)/1920x1080
[0:02:40.147306075] [1249] DEBUG RkISP1 rkisp1.cpp:758 Configuring ISP output pad with 1920x1080-YUYV8_2X8 crop (0, 0)/1920x1080
[0:02:40.147353033] [1249] DEBUG RkISP1 rkisp1.cpp:771 ISP output pad configured with 1920x1080-YUYV8_2X8 crop (0, 0)/1920x1080
[0:02:40.147429742] [1249] DEBUG RkISP1 rkisp1_path.cpp:322 Configured main resizer input pad with 1920x1080-YUYV8_2X8 crop (0, 0)/1920x1080
[0:02:40.147467658] [1249] DEBUG RkISP1 rkisp1_path.cpp:328 Configuring main resizer output pad with 1920x1080-YUYV8_2X8
[0:02:40.147536200] [1249] DEBUG RkISP1 rkisp1_path.cpp:342 Configured main resizer output pad with 1920x1080-YUYV8_1_5X8
[0:02:40.148966242] [1249] DEBUG IPARkISP1 rkisp1.cpp:226 rkisp1: Exposure: [0, 1759], gain: [0, 232]
[0:02:40.156676158] [1249] DEBUG V4L2 v4l2_videodevice.cpp:1254 /dev/video5[17:cap]: 4 buffers requested.
[0:02:40.157346408] [1249] DEBUG Buffer framebuffer.cpp:346 Buffer is contiguous
[0:02:40.157640700] [1249] DEBUG Buffer framebuffer.cpp:346 Buffer is contiguous
[0:02:40.157773408] [1249] DEBUG Buffer framebuffer.cpp:346 Buffer is contiguous
[0:02:40.157917783] [1249] DEBUG Buffer framebuffer.cpp:346 Buffer is contiguous
[0:02:40.157993033] [1249] DEBUG V4L2 v4l2_videodevice.cpp:1254 /dev/video5[17:cap]: 0 buffers requested.
[0:02:40.159056408] [1248] DEBUG Request request.cpp:361 Created request - cookie: 0
[0:02:40.159790867] [1248] DEBUG Request request.cpp:361 Created request - cookie: 0
[0:02:40.159953908] [1248] DEBUG Request request.cpp:361 Created request - cookie: 0
[0:02:40.160123950] [1248] DEBUG Request request.cpp:361 Created request - cookie: 0
[0:02:40.160216117] [1248] DEBUG Camera camera.cpp:1181 Starting capture
[0:02:40.160571075] [1249] DEBUG V4L2 v4l2_videodevice.cpp:1254 /dev/video8[15:out]: 4 buffers requested.
[0:02:40.160709325] [1249] DEBUG Buffer framebuffer.cpp:346 Buffer is contiguous
[0:02:40.160820450] [1249] DEBUG Buffer framebuffer.cpp:346 Buffer is contiguous
[0:02:40.160916408] [1249] DEBUG Buffer framebuffer.cpp:346 Buffer is contiguous
[0:02:40.161011492] [1249] DEBUG Buffer framebuffer.cpp:346 Buffer is contiguous
[0:02:40.161363242] [1249] DEBUG V4L2 v4l2_videodevice.cpp:1254 /dev/video7[14:cap]: 4 buffers requested.
[0:02:40.161482533] [1249] DEBUG Buffer framebuffer.cpp:346 Buffer is contiguous
[0:02:40.161595117] [1249] DEBUG Buffer framebuffer.cpp:346 Buffer is contiguous
[0:02:40.161690200] [1249] DEBUG Buffer framebuffer.cpp:346 Buffer is contiguous
[0:02:40.161787617] [1249] DEBUG Buffer framebuffer.cpp:346 Buffer is contiguous
[0:02:40.162221908] [1249] DEBUG Buffer framebuffer.cpp:346 Buffer is contiguous
[0:02:40.162643075] [1249] DEBUG Buffer framebuffer.cpp:346 Buffer is contiguous
[0:02:40.162782492] [1249] DEBUG Buffer framebuffer.cpp:346 Buffer is contiguous
[0:02:40.162882533] [1249] DEBUG Buffer framebuffer.cpp:346 Buffer is contiguous
[0:02:40.162974408] [1249] DEBUG Buffer framebuffer.cpp:346 Buffer is contiguous
[0:02:40.163062200] [1249] DEBUG Buffer framebuffer.cpp:346 Buffer is contiguous
[0:02:40.163150575] [1249] DEBUG Buffer framebuffer.cpp:346 Buffer is contiguous
[0:02:40.163237783] [1249] DEBUG Buffer framebuffer.cpp:346 Buffer is contiguous
[0:02:40.164213700] [1249] DEBUG V4L2 v4l2_videodevice.cpp:1254 /dev/video5[17:cap]: 4 buffers requested.
[0:02:40.164309658] [1249] DEBUG V4L2 v4l2_videodevice.cpp:1521 /dev/video5[17:cap]: Prepared to import 4 buffers
[0:02:40.164541825] [1249] DEBUG DelayedControls delayed_controls.cpp:177 Queuing Analogue Gain to 0 at index 1
cam[0:02:40.164612700] [1249] DEBUG DelayedControls delayed_controls.cpp:177 Queuing Exposure to 0 at index 1
0: Capture 100 frames
[0:02:40.165742617] [1249] DEBUG V4L2 v4l2_videodevice.cpp:1693 /dev/video8[15:out]: Queueing buffer 0
[0:02:40.165935700] [1249] DEBUG V4L2 v4l2_videodevice.cpp:1693 /dev/video7[14:cap]: Queueing buffer 0
[0:02:40.166061408] [1249] DEBUG V4L2 v4l2_videodevice.cpp:1693 /dev/video5[17:cap]: Queueing buffer 0
[0:02:40.166236992] [1249] DEBUG V4L2 v4l2_videodevice.cpp:1693 /dev/video8[15:out]: Queueing buffer 1
[0:02:40.166314283] [1249] DEBUG V4L2 v4l2_videodevice.cpp:1693 /dev/video7[14:cap]: Queueing buffer 1
[0:02:40.166381075] [1249] DEBUG V4L2 v4l2_videodevice.cpp:1693 /dev/video5[17:cap]: Queueing buffer 1
[0:02:40.166502408] [1249] DEBUG V4L2 v4l2_videodevice.cpp:1693 /dev/video8[15:out]: Queueing buffer 2
[0:02:40.166566867] [1249] DEBUG V4L2 v4l2_videodevice.cpp:1693 /dev/video7[14:cap]: Queueing buffer 2
[0:02:40.166628992] [1249] DEBUG V4L2 v4l2_videodevice.cpp:1693 /dev/video5[17:cap]: Queueing buffer 2
[0:02:41.244788534] [1249] ERROR V4L2 v4l2_videodevice.cpp:1697 /dev/video5[17:cap]: Failed to queue buffer 2: Invalid argument
[0:02:41.245112576] [1249] DEBUG V4L2 v4l2_videodevice.cpp:1693 /dev/video8[15:out]: Queueing buffer 3
[0:02:41.245287284] [1249] DEBUG V4L2 v4l2_videodevice.cpp:1693 /dev/video7[14:cap]: Queueing buffer 3
[0:02:41.245420576] [1249] DEBUG V4L2 v4l2_videodevice.cpp:1693 /dev/video5[17:cap]: Queueing buffer 3
[0:02:42.333010284] [1249] ERROR V4L2 v4l2_videodevice.cpp:1697 /dev/video5[17:cap]: Failed to queue buffer 3: Invalid argument
[0:02:42.333422701] [1249] DEBUG V4L2 v4l2_videodevice.cpp:1764 /dev/video8[15:out]: Dequeuing buffer 0
[0:02:42.334106659] [1249] DEBUG V4L2 v4l2_videodevice.cpp:1764 /dev/video8[15:out]: Dequeuing buffer 1

and it comes to a halt (and the camera makes a strange click noise once)...

what I could also see is this on the kernel log

[  269.371078] imx214 1-0010: ctrl(id:0x980914,val:0x1) is not handled
[  269.371094] imx214 1-0010: could not sync v4l2 controls

@kbingham
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Seems like a fault setting the controls on the subdevice gets things upset? I'm not sure why that causes buffers to stop queueing though. Is there a patch that shows any changes you've made to the imx214 ?

@belveder79
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belveder79 commented Feb 20, 2023 •
edited
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I made some progress... the media-ctl/video-ctl stuff now works for capturing images with the original imx214 kernel module, but it of course fails with libcamera, as it is incompatible... let me paste the working DTS for MIPI Port 0 (the one closer to the network interface) first:

/dts-v1/;
/plugin/;

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/pinctrl/rockchip.h>
#include <dt-bindings/clock/rk3399-cru.h>
/ {
	compatible = "rockchip,rk3399";

	fragment@0 {
		target = <&isp0_mmu>;
		__overlay__ {
			status = "okay";
		};
	};

	fragment@1 {
		target = <&mipi_dphy_rx0>;
		__overlay__ {
			status = "okay";
		};
	};

	fragment@2 {
		target = <&isp0>;
		__overlay__ {
			status = "okay";
			ports {
				port@0 {
					#address-cells = <1>;
					#size-cells = <0>;
					mipi_in_wcam: endpoint@0 {
						reg = <0>;
						remote-endpoint = <&wcam_out>;
						data-lanes = <1 2 3 4>;
					};
				};
			};
		};
	};

	fragment@3 {
		target = <&sdio0>;
		__overlay__ {
			status = "disabled";
		};
	};

	fragment@4 {
		target = <&i2c1>;
		__overlay__ {

			status = "okay";

			// https://github.com/friendlyarm/kernel-rockchip/blob/nanopi-r2-v5.15.y/arch/arm64/boot/dts/rockchip/rk3399-gru-scarlet.dtsi
			clock-frequency = <400000>;
			i2c-scl-falling-time-ns = <50>;
			i2c-scl-rising-time-ns = <300>;

			// 24M mclk is shared between world and user cameras
			pinctrl-0 = <&i2c1_xfer &cif_clkouta>; // THIS CAUSES AN ERROR IF SDIO0 is not disabled;
			#address-cells = <1>;
			#size-cells = <0>;

			wcam: imx214@10 {
				compatible = "sony,imx214";
				reg = <0x10>;

				vdddo-supply = <&vcc1v8_mipi>;
				vddd-supply = <&vcc1v2_mipi_dvdd>;
				vdda-supply = <&vcc2v8_mipi>;

				enable-gpios = <&gpio2 RK_PB4 GPIO_ACTIVE_HIGH>; // GPIO2_B4

				clocks = <&cru SCLK_CIF_OUT>;
				clock-names = "xvclk";

				rotation = <180>;
				orientation = <2>;

				port {
					wcam_out: endpoint {
						data-lanes = <1 2 3 4>;
						link-frequencies = /bits/ 64 <480000000>;
						remote-endpoint = <&mipi_in_wcam>;
					};
				};
			};
		};
	};

	fragment@5 {
		target = <&pinctrl>;
		__overlay__ {
			dvp {
				dvp_pwr_en: dvp-pwr-en {
					rockchip,pins = <1 RK_PC7 RK_FUNC_GPIO &pcfg_pull_none>;
				};
			};
			camera {
				wcam_rst: wcam_rst {
					rockchip,pins = <2 RK_PB4 RK_FUNC_GPIO &pcfg_pull_none>;
				};
			};
			cif {
				cif_clkouta: cif-clkouta {
						rockchip,pins = <2 RK_PB3 3 &pcfg_pull_up>;
				};
			};
		};
	};

	fragment@6 {
		target-path = "/";
		__overlay__ {
		  vcc2v8_mipi: vcc2v8-mipi-regulator {
		    compatible = "regulator-fixed";
		    enable-active-high;
		    gpio = <&gpio1 RK_PC7 GPIO_ACTIVE_HIGH>;
		    pinctrl-names = "default";
		    pinctrl-0 = <&dvp_pwr_en>;
		    regulator-name = "vcc2v8_mipi";
		    regulator-always-on;
		    regulator-boot-on;
		    regulator-min-microvolt = <2800000>;
		    regulator-max-microvolt = <2800000>;
		    startup-delay-us = <1000>;
		    vin-supply = <&vcc5v0_sys>;
		  };
		  // turned on automatically as vcc2v8_mipi is turned on...
		  vcc1v8_mipi: vcc1v8-mipi-regulator {
		    compatible = "regulator-fixed";
		    regulator-name = "vcc1v8_mipi";
		    regulator-always-on;
		    regulator-boot-on;
		    regulator-min-microvolt = <1800000>;
		    regulator-max-microvolt = <1800000>;
		    startup-delay-us = <1000>;
		    vin-supply = <&vcc3v3_sys>;
		  };

		  vcc2v8_mipi_af: vcc2v8-mipi-af-regulator {
		    compatible = "regulator-fixed";
		    regulator-name = "vcc2v8_mipi_af";
		    regulator-always-on;
		    regulator-boot-on;
		    regulator-min-microvolt = <2800000>;
		    regulator-max-microvolt = <2800000>;
		    startup-delay-us = <1000>;
		    vin-supply = <&vcc5v0_sys>;
		  };

		  vcc1v2_mipi_dvdd: vcc1v2-mipi-dvdd-regulator {
		    compatible = "regulator-fixed";
		    regulator-name = "vcc1v2_mipi_dvdd";
		    regulator-always-on;
		    regulator-boot-on;
		    regulator-min-microvolt = <1200000>;
		    regulator-max-microvolt = <1200000>;
		    startup-delay-us = <1000>;
		    vin-supply = <&vcc3v3_sys>;
		  };
		};
	};
};

Will post the output from the patched imx214 asap...

PS: so it seems my "fix" to the driver repair broke it 🤣
need to roll back and see what I can do about that...

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@kbingham @belveder79