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[2003:d1:ff00:400:30b3:69bc:8529:b5e6]) by smtp.gmail.com with ESMTPSA id a10sm13586654edn.77.2020.11.18.07.09.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 Nov 2020 07:09:10 -0800 (PST) Date: Wed, 18 Nov 2020 16:09:09 +0100 From: Sebastian Fricke To: Helen Koike Cc: linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org, ezequiel@vanguardiasur.com.ar, heiko@sntech.de Subject: Re: Working with the OV13850 camera sensor on the NanoPC-T4 Message-ID: <20201118150909.yltdxstmg5v3qz2z@basti.Speedport_W_724V_Typ_A_05011603_06_001> References: <20201115111002.d7x2a4ephofohd7o@basti.Speedport_W_724V_Typ_A_05011603_06_001> <8daa1bf3-bca1-594e-f0ce-692ede0aac2d@collabora.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Disposition: inline In-Reply-To: <8daa1bf3-bca1-594e-f0ce-692ede0aac2d@collabora.com> User-Agent: NeoMutt/20180716 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org [RESEND with all CC Email addresses] On 16.11.2020 08:31, Helen Koike wrote: >Hi Sebastian, Hey Helen, just wanted to leave a quick thank you for your advice! I have left a few remarks below. > >On 11/15/20 3:41 PM, Ezequiel Garcia wrote: >> On Sun, 15 Nov 2020 at 08:11, Sebastian Fricke >> wrote: >>> >>> Hello, >>> >> >> Hello Sebastian, >> >> Let me first add my colleagues Helen and Dafna, who maintain this driver, >> and who will surely yell if I stop making sense here. >> >>> I am currently trying to get the OV13850 camera sensor >>> (https://www.friendlyarm.com/index.php?route=product/product&product_id=228) to work on my friendlyElec NanoPC-T4. >>> >>> I have problems with connecting the RkISP1 ISP to the OV13850 sensor and I am not sure, >>> where the problem could be. The device tree seems to load correctly and >>> I can detect the sensor as a device on the i2c bus: >>> >>> root@nanopct4:~# cat /sys/bus/i2c/devices/1-0010/name >>> ov13850 >>> >> >> OK, good start :-) >> >>> And the driver module is loaded as well: >>> >>> root@nanopct4:~# lsmod | grep ov13850 >>> ov13850 28672 0 >>> v4l2_fwnode 28672 2 rockchip_isp1,ov13850 >>> videodev 266240 9 rockchip_vdec,v4l2_fwnode,rockchip_isp1,videobuf2_v4l2,hantro_vpu,rockchip_rga,videobuf2_common,v4l2_mem2mem,ov13850 >>> mc 61440 8 rockchip_vdec,videodev,rockchip_isp1,videobuf2_v4l2,hantro_vpu,videobuf2_common,v4l2_mem2mem,ov13850 >>> >>> The driver reports using dummy regulators instead of the requested ones, >>> I am not sure yet if this is part of the problem, as the driver doesn't >>> bail out after requesting the regulators. But from what I currently >>> understand, these warnings mean that for some reason my system didn't >>> map these regulators but acts as if they were there. >>> >>> More info below, I hope that someone can help to find the error I made, >>> thanks in advance! >>> >>> ----------------------------- >>> >>> I attached the two patches I created: >>> 1. For the device tree I combined a patch from Helen Koike (which is not merged yet), >>> where she adds the isp0 to the rk3399.dtsi file, with my addition which >>> activates the mipi_dphy_rx0, adds the camera sensor to i2c1 and >>> connects the pads of the ISP with the sensor. I followed the >>> documentation for the ISP part and got most of the camera sensor >>> parts from the BSP Kernel: >>> (https://github.com/friendlyarm/kernel-rockchip/blob/nanopi4-linux-v4.4.y/arch/arm64/boot/dts/rockchip/rk3399-nanopi4-rkisp1.dtsi#L52). > >If you take a look at this patch: > > https://patchwork.linuxtv.org/project/linux-media/patch/20201020193850.1460644-10-helen.koike@collabora.com/ > >You'll see that the dts of the isp has > >ports { > port@0 { > ... > } >} > >which differ from the patch you attached, and I guess this is why your >sensor is not being detected by the rkisp1 driver. > >Please check: > > https://git.linuxtv.org/media_tree.git/tree/drivers/staging/media/rkisp1/Documentation/devicetree/bindings/media/rockchip-isp1.yaml > This was exactly the problem. Thank you very much! >>> 2. I ported the driver from the BSP kernel of friendlyElec: >>> (https://github.com/friendlyarm/kernel-rockchip/blob/nanopi4-linux-v4.4.y/drivers/media/i2c/ov13850.c) >>> I changed a few lines in order to have the module compile correctly. >>> ``` >>> +#include >>> - sd->entity.type = MEDIA_ENT_T_V4L2_SUBDEV_SENSOR; >>> - ret = media_entity_init(&sd->entity, 1, &ov13850->pad, 0); >>> + sd->entity.function = MEDIA_ENT_F_CAM_SENSOR; >>> + ret = media_entity_pads_init(&sd->entity, 1, &ov13850->pad); >>> ``` >>> >> >> Keep in mind that, with some exceptions, the upstream community >> doesn't provide much help with downstream/vendor kernels. >> >>> ---------------------------------------- >>> >>> I was able to create an armbian image for the media_tree (https://git.linuxtv.org/media_tree.git/): >> >> Ah, upstream is better :-) >> >>> root@nanopct4:~# uname -a >>> Linux nanopct4 5.10.0-rc1-rockchip64 #trunk SMP PREEMPT Fri Nov 13 15:08:05 CET 2020 aarch64 GNU/Linux >>> >>> When I boot up the board I can spot the following messages in the kernel >>> log: >>> [ 7.216307] ov13850 1-0010: driver version: 00.01.01 >>> [ 7.216322] ov13850 1-0010: could not get module information! >>> [ 7.216565] ov13850 1-0010: supply avdd not found, using dummy regulator >>> [ 7.216761] ov13850 1-0010: supply dovdd not found, using dummy regulator >>> [ 7.216846] ov13850 1-0010: supply dvdd not found, using dummy regulator >>> [ 7.219535] ov13850 1-0010: Detected OV00d850 sensor, REVISION 0xb1 >> >> OK, good. >> >> I can be wrong (since I haven't looked at your driver) but this >> usually indicates >> your sensor is powered and properly configured to at least read >> some CHIP_ID register. >> >> The regulators are likely always-on in your sensor module, >> so maybe probably that's why it works. >> >> See for instance arch/arm64/boot/dts/renesas/aistarvision-mipi-adapter-2.1.dtsi >> for an example of how regulators can be declared. There are other ways, >> it's just an example. >> >>> ... >>> [ 7.352292] rockchip_isp1: module is from the staging directory, the quality is unknown, you have been warned. >>> ... >>> [ 7.356178] rkisp1 ff910000.isp0: Adding to iommu group 4 >>> ... >>> [ 7.357637] rkisp1: registered rkisp1_mainpath as /dev/video0 >>> [ 7.357816] rkisp1: registered rkisp1_selfpath as /dev/video1 >>> >>> ---------------------------------------- >>> >>> And this command (try to stream 50 frames from video1 which the mainpath >>> on the RkISP1): >>> root@nanopct4:~# v4l2-ctl --stream-to /home/basti/test.raw --stream-mmap 50 -d /dev/video0 --verbose >>> >>> I get this output: >>> VIDIOC_STREAMON returned -1 (No such device) >>> >>> And this kernel log message: >>> [16939.667867] rkisp1 ff910000.isp0: No link between isp and sensor >>> >> >> This error seems useful. It would indicate your sensor is not >> connected (software-connected) to the ISP. >> >> See below. >> >>> ----------------------------------------- >>> >>> Here is the output for media-ctl -p: >>> >>> Media controller API version 5.10.0 >>> >>> Media device information >>> ------------------------ >>> driver rkisp1 >>> model rkisp1 >>> serial >>> bus info platform:rkisp1 >>> hw revision 0x0 >>> driver version 5.10.0 >>> >>> Device topology >>> - entity 1: rkisp1_isp (4 pads, 4 links) >>> type V4L2 subdev subtype Unknown flags 0 >>> device node name /dev/v4l-subdev0 >>> pad0: Sink >>> [fmt:SRGGB10_1X10/800x600 field:none >>> crop.bounds:(0,0)/800x600 >>> crop:(0,0)/800x600] >> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ >> >> Note that here the rkisp1_isp entity sink pad 0 >> should be connected to the bayer sensor, but it >> seems not connected to anything. >> >> I can be wrong, but I don't see your sensor >> appearing anywhere in the topology. >> >> See for instance, the example in the driver >> documentation: >> >> https://www.kernel.org/doc/html/latest/admin-guide/media/rkisp1.html > >Just to complement what Ezequiel mentioned, to better understand, you can >check the topology with > > media-ctl --print-dot > >and copy the results to https://dreampuf.github.io/GraphvizOnline/ > >You'll see there is no sensor connected in pad 0 of the rkisp1_isp node. > Cool website didn't know it exists >> >> And note the section where the topology is set, connecting >> the imx219 sensor to rkisp1_isp sink pad0: >> >> "media-ctl" "-d" "platform:rkisp1" "-l" "'imx219 4-0010':0 -> >> 'rkisp1_isp':0 [1]" >> >> So I would say you are very much on the right track, >> but you still need a bit more work to construct the capture pipeline. >> >> Not sure if this helps, or makes things more complicated, but instead >> of v4l2-ctl, I would personally start with libcamera, and work from there. >> >> Cheers, >> Ezequiel >> >After correcting the topology, you should configure the stream as indicated >in the docs: > > https://www.kernel.org/doc/html/latest/admin-guide/media/rkisp1.html#capturing-video-frames-example > It is difficult to spot anything on the video, as it is super dark but this works. My current efforts are focused on getting to work on the RkISP1 IPAs so I hope to change this to the better soon. ;) >Or use libamera with, for instance: > > cam -c 1 -C > This sadly didn't work directly, the libcamera pipeline handler has to be fixed as it has a maximum resolution of 4032x3024, while not configuring the output resolution of the sensor correctly: (This was pointed out by Laurent Pinchart on the libcamera IRC, I will try to fix this.) basti@nanopct4:~$ LIBCAMERA_LOG_LEVELS=0 cam -c 1 -C [0:10:02.777886361] [2102] DEBUG IPAProxy ipa_proxy.cpp:290 Registered proxy "IPAProxyLinux" [0:10:02.778607938] [2102] DEBUG IPAProxy ipa_proxy.cpp:290 Registered proxy "IPAProxyThread" [0:10:02.782258408] [2102] DEBUG IPAModule ipa_module.cpp:330 ipa_rkisp1.so: IPA module /usr/local/lib/aarch64-linux-gnu/libcamera/ipa_rkisp1.so is signed [0:10:02.783011777] [2102] DEBUG IPAManager ipa_manager.cpp:238 Loaded IPA module '/usr/local/lib/aarch64-linux-gnu/libcamera/ipa_rkisp1.so' [0:10:02.788297608] [2102] DEBUG IPAModule ipa_module.cpp:330 ipa_rpi.so: IPA module /usr/local/lib/aarch64-linux-gnu/libcamera/ipa_rpi.so is signed [0:10:02.789237642] [2102] DEBUG IPAManager ipa_manager.cpp:238 Loaded IPA module '/usr/local/lib/aarch64-linux-gnu/libcamera/ipa_rpi.so' [0:10:02.790346258] [2102] DEBUG IPAModule ipa_module.cpp:330 ipa_vimc.so: IPA module /usr/local/lib/aarch64-linux-gnu/libcamera/ipa_vimc.so is signed [0:10:02.790817587] [2102] DEBUG IPAManager ipa_manager.cpp:238 Loaded IPA module '/usr/local/lib/aarch64-linux-gnu/libcamera/ipa_vimc.so' [0:10:02.791825287] [2102] INFO Camera camera_manager.cpp:293 libcamera v0.0.0+2030-d14a3f8a [0:10:02.792881987] [2103] DEBUG Camera camera_manager.cpp:105 Starting camera manager [0:10:02.817883446] [2103] DEBUG DeviceEnumerator device_enumerator.cpp:223 New media device "hantro-vpu" created from /dev/media2 [0:10:02.818795772] [2103] DEBUG DeviceEnumerator device_enumerator_udev.cpp:94 Defer media device /dev/media2 due to 2 missing dependencies [0:10:02.823322693] [2103] DEBUG DeviceEnumerator device_enumerator_udev.cpp:319 All dependencies for media device /dev/media2 found [0:10:02.823521900] [2103] DEBUG DeviceEnumerator device_enumerator.cpp:251 Added device /dev/media2: hantro-vpu [0:10:02.825636174] [2103] DEBUG DeviceEnumerator device_enumerator.cpp:223 New media device "rkvdec" created from /dev/media1 [0:10:02.825903630] [2103] DEBUG DeviceEnumerator device_enumerator_udev.cpp:94 Defer media device /dev/media1 due to 1 missing dependencies [0:10:02.827886364] [2103] DEBUG DeviceEnumerator device_enumerator_udev.cpp:319 All dependencies for media device /dev/media1 found [0:10:02.828109487] [2103] DEBUG DeviceEnumerator device_enumerator.cpp:251 Added device /dev/media1: rkvdec [0:10:02.830667966] [2103] DEBUG DeviceEnumerator device_enumerator.cpp:223 New media device "rkisp1" created from /dev/media0 [0:10:02.832361952] [2103] DEBUG DeviceEnumerator device_enumerator_udev.cpp:94 Defer media device /dev/media0 due to 7 missing dependencies [0:10:02.844721516] [2103] DEBUG DeviceEnumerator device_enumerator_udev.cpp:319 All dependencies for media device /dev/media0 found [0:10:02.844916639] [2103] DEBUG DeviceEnumerator device_enumerator.cpp:251 Added device /dev/media0: rkisp1 [0:10:02.846288920] [2103] DEBUG Camera camera_manager.cpp:148 Found registered pipeline handler 'PipelineHandlerIPU3' [0:10:02.847350869] [2103] DEBUG Camera camera_manager.cpp:148 Found registered pipeline handler 'PipelineHandlerRPi' [0:10:02.847648075] [2103] DEBUG Camera camera_manager.cpp:148 Found registered pipeline handler 'PipelineHandlerRkISP1' [0:10:02.848204862] [2103] DEBUG DeviceEnumerator device_enumerator.cpp:311 Successful match for media device "rkisp1" [0:10:02.849379686] [2103] DEBUG V4L2 v4l2_videodevice.cpp:577 /dev/video3[cap]: Opened device platform:rkisp1: rkisp1: rkisp1_stats [0:10:02.849756516] [2103] DEBUG V4L2 v4l2_videodevice.cpp:577 /dev/video4[out]: Opened device platform:rkisp1: rkisp1: rkisp1_params [0:10:02.850229304] [2103] DEBUG V4L2 v4l2_videodevice.cpp:577 /dev/video1[cap]: Opened device platform:rkisp1: rkisp1: rkisp1 [0:10:02.850775591] [2103] DEBUG V4L2 v4l2_videodevice.cpp:577 /dev/video2[cap]: Opened device platform:rkisp1: rkisp1: rkisp1 [0:10:02.883320946] [2103] DEBUG IPAManager ipa_manager.cpp:316 IPA module /usr/local/lib/aarch64-linux-gnu/libcamera/ipa_rkisp1.so signature is valid [0:10:02.888229655] [2103] DEBUG Camera camera_manager.cpp:160 Pipeline handler "PipelineHandlerRkISP1" matched [0:10:02.888665694] [2103] DEBUG Camera camera_manager.cpp:148 Found registered pipeline handler 'SimplePipelineHandler' [0:10:02.888949483] [2103] DEBUG Camera camera_manager.cpp:148 Found registered pipeline handler 'PipelineHandlerUVC' [0:10:02.889104648] [2103] DEBUG Camera camera_manager.cpp:148 Found registered pipeline handler 'PipelineHandlerVimc' Using camera /base/i2c@ff110000/ov13850@10 [0:10:02.891430671] [2102] DEBUG Camera camera.cpp:771 streams configuration: (0) 1920x1920-NV12 [0:10:02.892222831] [2102] INFO Camera camera.cpp:830 configuring streams: (0) 1920x1920-NV12 [0:10:02.893203989] [2103] DEBUG MediaDevice media_device.cpp:808 /dev/media0[rkisp1]: rkisp1_isp[2] -> rkisp1_resizer_mainpath[0]: 0 [0:10:02.893346613] [2103] DEBUG MediaDevice media_device.cpp:808 /dev/media0[rkisp1]: rkisp1_isp[2] -> rkisp1_resizer_selfpath[0]: 0 [0:10:02.893470862] [2103] DEBUG MediaDevice media_device.cpp:808 /dev/media0[rkisp1]: ov13850 1-0010[0] -> rkisp1_isp[0]: 0 [0:10:02.893602111] [2103] DEBUG RkISP1 rkisp1.cpp:997 Enabling link from sensor 'ov13850 1-0010' to ISP [0:10:02.893698360] [2103] DEBUG MediaDevice media_device.cpp:808 /dev/media0[rkisp1]: ov13850 1-0010[0] -> rkisp1_isp[0]: 1 [0:10:02.893819401] [2103] DEBUG MediaDevice media_device.cpp:808 /dev/media0[rkisp1]: rkisp1_isp[2] -> rkisp1_resizer_mainpath[0]: 1 [0:10:02.893921775] [2103] DEBUG RkISP1 rkisp1.cpp:684 Configuring sensor with 4224x3136-SBGGR10_1X10 [0:10:02.894077815] [2103] DEBUG RkISP1 rkisp1.cpp:690 Sensor configured with 4224x3136-SBGGR10_1X10 [0:10:02.894252231] [2103] DEBUG RkISP1 rkisp1.cpp:701 ISP input pad configured with 4032x3024-SBGGR10_1X10 [0:10:02.894355771] [2103] DEBUG RkISP1 rkisp1.cpp:705 Configuring ISP output pad with 4032x3024-YUYV8_2X8 [0:10:02.894458729] [2103] DEBUG RkISP1 rkisp1.cpp:711 ISP output pad configured with 800x600-YUYV8_2X8 [0:10:02.894572770] [2103] DEBUG RkISP1 rkisp1_path.cpp:120 Configured main resizer input pad with 800x600-YUYV8_2X8 [0:10:02.894674560] [2103] DEBUG RkISP1 rkisp1_path.cpp:126 Configuring main resizer output pad with 1920x1920-YUYV8_2X8 [0:10:02.894781893] [2103] DEBUG RkISP1 rkisp1_path.cpp:144 Configured main resizer output pad with 1920x1920-YUYV8_1_5X8 [0:10:02.915852010] [2103] DEBUG V4L2 v4l2_videodevice.cpp:1137 /dev/video1[cap]: 4 buffers requested. [0:10:02.917560871] [2103] DEBUG V4L2 v4l2_videodevice.cpp:1137 /dev/video1[cap]: 0 buffers requested. [0:10:02.918685528] [2102] DEBUG Camera camera.cpp:967 Starting capture [0:10:02.919501021] [2103] DEBUG V4L2 v4l2_videodevice.cpp:1137 /dev/video4[out]: 4 buffers requested. [0:10:02.921160591] [2103] DEBUG V4L2 v4l2_videodevice.cpp:1137 /dev/video3[cap]: 4 buffers requested. [0:10:02.923722570] [2103] DEBUG V4L2 v4l2_videodevice.cpp:1137 /dev/video1[cap]: 4 buffers requested. [0:10:02.923808902] [2103] DEBUG V4L2 v4l2_videodevice.cpp:1350 /dev/video1[cap]: Prepared to import 4 buffers [0:10:02.923921193] [2103] ERROR V4L2 v4l2_subdevice.cpp:285 'ov13850 1-0010': Unable to get rectangle 1 on pad 0: Inappropriate ioctl for device [0:10:02.924034067] [2103] ERROR CameraSensor camera_sensor.cpp:513 'ov13850 1-0010': Failed to construct camera sensor info: the camera sensor does not report the active area [0:10:02.924062650] [2103] WARN RkISP1 rkisp1.cpp:906 Camera sensor information not available [0:10:02.924368606] [2103] INFO IPARkISP1 rkisp1.cpp:115 Exposure: 4-3324 Gain: 16-248 [0:10:02.924925977] [2103] DEBUG Timer timer.cpp:105 Starting timer 0xffffb0015ea0: deadline 0:10:02.929769061 [0:10:02.925217932] [2103] DEBUG Event event_dispatcher_poll.cpp:217 timeout 0.004577378 Capture until user interrupts by SIGINT [0:10:02.925964885] [2103] DEBUG Event event_dispatcher_poll.cpp:217 timeout 0.003814385 [0:10:02.926044509] [2103] DEBUG Event event_dispatcher_poll.cpp:217 timeout 0.003727469 [0:10:02.926105758] [2103] DEBUG Event event_dispatcher_poll.cpp:217 timeout 0.003665928 [0:10:02.926152716] [2103] DEBUG Event event_dispatcher_poll.cpp:217 timeout 0.003618970 [0:10:02.930000060] [2103] DEBUG Timer timer.cpp:105 Starting timer 0xffffb0015ea0: deadline 0:10:02.935715803 [0:10:02.930041184] [2103] DEBUG Event event_dispatcher_poll.cpp:217 timeout 0.005677244 [0:10:02.935862511] [2103] DEBUG V4L2 v4l2_videodevice.cpp:1439 /dev/video4[out]: Queueing buffer 0 [0:10:02.935981802] [2103] DEBUG V4L2 v4l2_videodevice.cpp:1439 /dev/video3[cap]: Queueing buffer 0 [0:10:02.936049759] [2103] DEBUG V4L2 v4l2_videodevice.cpp:1439 /dev/video1[cap]: Queueing buffer 0 [0:10:02.936136967] [2103] DEBUG V4L2 v4l2_videodevice.cpp:1439 /dev/video4[out]: Queueing buffer 1 [0:10:02.936177508] [2103] DEBUG V4L2 v4l2_videodevice.cpp:1439 /dev/video3[cap]: Queueing buffer 1 [0:10:02.936212508] [2103] DEBUG V4L2 v4l2_videodevice.cpp:1439 /dev/video1[cap]: Queueing buffer 1 [0:10:02.936276091] [2103] DEBUG V4L2 v4l2_videodevice.cpp:1439 /dev/video4[out]: Queueing buffer 2 [0:10:02.936310799] [2103] DEBUG V4L2 v4l2_videodevice.cpp:1439 /dev/video3[cap]: Queueing buffer 2 [0:10:02.936344049] [2103] DEBUG V4L2 v4l2_videodevice.cpp:1439 /dev/video1[cap]: Queueing buffer 2 [0:10:02.936418131] [2103] ERROR V4L2 v4l2_videodevice.cpp:1443 /dev/video1[cap]: Failed to queue buffer 2: Broken pipe [0:10:02.936458673] [2103] DEBUG V4L2 v4l2_videodevice.cpp:1439 /dev/video4[out]: Queueing buffer 3 [0:10:02.936493089] [2103] DEBUG V4L2 v4l2_videodevice.cpp:1439 /dev/video3[cap]: Queueing buffer 3 [0:10:02.936526922] [2103] DEBUG V4L2 v4l2_videodevice.cpp:1439 /dev/video1[cap]: Queueing buffer 3 [0:10:02.936584963] [2103] ERROR V4L2 v4l2_videodevice.cpp:1443 /dev/video1[cap]: Failed to queue buffer 3: Broken pipe ^CExiting > >I hope this helps. >Regards, >Helen Greetings, Sebastian