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SubjectRe: [PATCH v1 0/6] Add support of OV9655 camera
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Hi Hugues,

> Am 03.07.2017 um 10:16 schrieb Hugues FRUCHET <hugues.fruchet@st.com>:
>
> Hi Nikolaus,
> Could you enable V4L2 UAPI traces ? Something like:
> echo 0xFF > /sys/devices/platform/soc/<isp address>.<isp
> name>/video4linux/video2/dev_debug
>
> you will see then in kernel dmesg the V4L2 calls and their
> parameters/return values.

Nice.

> root@letux:~# echo 255 >/sys/devices/platform/68000000.ocp/480bc000.isp/video4linux/video2/dev_debug
> root@letux:~# ./camera-demo sxga
> Camera: /dev/v4l-subdev8
> Setting mode sxga
> media-ctl -r
> media-ctl -l '"ov965x":0 -> "OMAP3 ISP CCDC":0[1]'
> media-ctl -l '"OMAP3 ISP CCDC":1 -> "OMAP3 ISP CCDC output":0[1]'
> media-ctl -V '"ov965x":0 [UYVY2X8 1280x1024]'
> media-ctl -V '"OMAP3 ISP CCDC":0 [UYVY2X8 1280x1024]'
> media-ctl -V '"OMAP3 ISP CCDC":1 [UYVY 1280x1024]'
> ### starting mplayer in sxga mode ###
> mplayer tv:// -vf rotate=2 -tv driver=v4l2:device=/dev/video2:outfmt=uyvy:width=1280:height=1024:fps=15 -vo x11
> MPlayer2 2.0-728-g2c378c7-4+b1 (C) 2000-2012 MPlayer Team
>
> Playing tv://.
> Detected file format: TV
> Selected driver: v4l2
> name: Video 4 Linux 2 input
> author: Martin Olschewski <olschewski@zpr.uni-koeln.de>
> comment: first try, more to come ;-)
> [ 425.216094] video2: open (0)
> [ 425.219329] video2: VIDIOC_QUERYCAP: driver=ispvideo, card=OMAP3 ISP CCDC output, bus=media, version=0x00040c00, capabilities=0x84200003, device_caps=0x04200001
> [ 425.236389] video2: VIDIOC_G_FMT: type=vid-cap, width=0, height=0, pixelformat=, field=any, bytesperline=0, sizeimage=0, colorspace=0, flags=0x0, ycbcr_enc=0, quantization=0, xfer_func=0
> [ 425.254699] video2: VIDIOC_G_STD: error -25: std=0x00000000
> [ 425.260620] video2: VIDIOC_G_PARM: error -22: type=vid-cap, capability=0x0, capturemode=0x0, timeperframe=0/0, extendedmode=0, readbuffers=0
> v4l2: ioctl get standard failed: Invalid argumen[ 425.275573] video2: VIDIOC_ENUMSTD: error -25: index=0, id=0x0, name=, fps=0/0, framelines=0
> t
> Selected device: OMAP3 ISP CCDC output
> Capa[ 425.289398] video2: VIDIOC_ENUMINPUT: index=0, name=camera, type=2, audioset=0x0, tuner=0, std=0x00000000, status=0x0, capabilities=0x0
> bilities: video capture video output streamin[ 425.306396] video2: VIDIOC_ENUMINPUT: error -22: index=1, name=, type=0, audioset=0x0, tuner=0, std=0x00000000, status=0x0, capabilities=0x0
> g
> supported norms:
> inputs: 0 = camera;[ 425.323822] video2: VIDIOC_G_INPUT: value=0
>
> Current input: 0
> [ 425.332580] video2: VIDIOC_ENUM_FMT: error -25: index=0, type=vid-cap, flags=0x0, pixelformat=, description=''
> Current format: unknown (0x0)
> [ 425.345428] video2: VIDIOC_G_FMT: type=vid-cap, width=0, height=0, pixelformat=, field=any, bytesperline=0, sizeimage=0, colorspace=0, flags=0x0, ycbcr_enc=0, quantization=0, xfer_func=0
> [ 425.367858] video2: VIDIOC_S_FMT: type=vid-cap, width=640, height=480, pixelformat=, field=none, bytesperline=0, sizeimage=0, colorspace=0, flags=0x0, ycbcr_enc=0, quantization=0, xfer_func=0
> [ 425.386627] video2: VIDIOC_G_FMT: type=vid-cap, width=640, height=480, pixelformat=, field=none, bytesperline=0, sizeimage=0, colorspace=0, flags=0x0, ycbcr_enc=0, quantization=0, xfer_func=0
> [ 425.405334] video2: VIDIOC_S_FMT: type=vid-cap, width=640, height=480, pixelformat=UYVY, field=none, bytesperline=1280, sizeimage=614400, colorspace=0, flags=0x0, ycbcr_enc=0, quantization=0, xfer_func=0
> [ 425.425720] video2: VIDIOC_ENUMINPUT: index=0, name=camera, type=2, audioset=0x0, tuner=0, std=0x00000000, status=0x0, capabilities=0x0
> [ 425.439727] video2: VIDIOC_S_INPUT: value=0
> [ 425.445159] video2: VIDIOC_ENUMSTD: error -25: index=0, id=0x0, name=, fps=0/0, framelines=0
> tv.c: norm_from_string(pal): Bogus norm paramete[ 425.455871] video2: VIDIOC_ENUMSTD: error -25: index=0, id=0x0, name=, fps=0/0, framelines=0
> r, setting default.
> v4l2: ioctl enum norm failed: In[ 425.470397] video2: VIDIOC_G_FMT: type=vid-cap, width=640, height=480, pixelformat=UYVY, field=none, bytesperline=1280, sizeimage=614400, colorspace=0, flags=0x0, ycbcr_enc=0, quantization=0, xfer_func=0
> appropriate ioctl for device
> Error: Cannot set [ 425.493743] video2: VIDIOC_S_FMT: type=vid-cap, width=1280, height=1024, pixelformat=UYVY, field=none, bytesperline=2560, sizeimage=2621440, colorspace=0, flags=0x0, ycbcr_enc=0, quantization=0, xfer_func=0
> norm!
> [ 425.517669] video2: VIDIOC_G_FMT: type=vid-cap, width=1280, height=1024, pixelformat=UYVY, field=none, bytesperline=2560, sizeimage=2621440, colorspace=0, flags=0x0, ycbcr_enc=0, quantization=0, xfer_func=0
> [ 425.538238] video2: VIDIOC_S_FMT: type=vid-cap, width=1280, height=1024, pixelformat=UYVY, field=none, bytesperline=2560, sizeimage=2621440, colorspace=0, flags=0x0, ycbcr_enc=0, quantization=0, xfer_func=0
> [ 425.558990] video2: VIDIOC_G_FMT: type=vid-cap, width=1280, height=1024, pixelformat=UYVY, field=none, bytesperline=2560, sizeimage=2621440, colorspace=0, flags=0x0, ycbcr_enc=0, quantization=0, xfer_func=0
> [ 425.579498] video2: VIDIOC_S_FMT: type=vid-cap, width=1280, height=1024, pixelformat=UYVY, field=none, bytesperline=2560, sizeimage=2621440, colorspace=0, flags=0x0, ycbcr_enc=0, quantization=0, xfer_func=0
> Selected input hasn't got a tuner!
> [ 425.600646] video2: VIDIOC_G_FMT: type=vid-cap, width=1280, height=1024, pixelformat=UYVY, field=none, bytesperline=2560, sizeimage=2621440, colorspace=0, flags=0x0, ycbcr_enc=0, quantization=0, xfer_func=0
> [ 425.623840] video2: VIDIOC_G_FMT: type=vid-cap, width=1280, height=1024, pixelformat=UYVY, field=none, bytesperline=2560, sizeimage=2621440, colorspace=0, flags=0x0, ycbcr_enc=0, quantization=0, xfer_func=0
> [ 425.644317] video2: VIDIOC_G_FMT: type=vid-cap, width=1280, height=1024, pixelformat=UYVY, field=none, bytesperline=2560, sizeimage=2621440, colorspace=0, flags=0x0, ycbcr_enc=0, quantization=0, xfer_func=0
> [ 425.676971] video2: VIDIOC_REQBUFS: count=2, type=vid-cap, memory=mmap
> [ 425.684082] video2: VIDIOC_QUERYBUF: 00:00:00.00000000 index=0, type=vid-cap, flags=0x00002000, field=any, sequence=0, memory=mmap, bytesused=0, offset/userptr=0x0, length=2621440
> [ 425.702117] timecode=00:00:00 type=0, flags=0x00000000, frames=0, userbits=0x00000000
> [ 425.713073] video2: mmap (0)
> [ 425.716400] video2: VIDIOC_QBUF: 00:00:00.00000000 index=0, type=vid-cap, flags=0x00002003, field=any, sequence=0, memory=mmap, bytesused=2621440, offset/userptr=0x0, length=2621440
> [ 425.734436] timecode=00:00:00 type=0, flags=0x00000000, frames=0, userbits=0x00000000
> [ 425.743499] video2: VIDIOC_QUERYBUF: 00:00:00.00000000 index=1, type=vid-cap, flags=0x00002000, field=any, sequence=0, memory=mmap, bytesused=0, offset/userptr=0x280000, length=2621440
> [ 425.761688] timecode=00:00:00 type=0, flags=0x00000000, frames=0, userbits=0x00000000
> [ 425.772186] video2: mmap (0)
> [ 425.775299] video2: VIDIOC_QBUF: 00:00:00.00000000 index=1, type=vid-cap, flags=0x00002003, field=any, sequence=0, memory=mmap, bytesused=2621440, offset/userptr=0x280000, length=2621440
> [ 425.793670] timecode=00:00:00 type=0, flags=0x00000000, frames=0, userbits=0x00000000
> [ 425.802703] video2: VIDIOC_S_CTRL: error -25: id=0x980909, value=0
> v4l2: ioctl set mute failed: Inappropriate ioctl[ 425.809661] video2: VIDIOC_QUERYCTRL: error -25: id=0x980900, type=0, name=, min/max=0/0, step=0, default=0, flags=0x00000000
> for device
> v4l2: ioctl query control failed: Inappropriate [ 425.826965] video2: VIDIOC_QUERYCTRL: error -25: id=0x980903, type=0, name=, min/max=0/0, step=0, default=0, flags=0x00000000
> ioctl for device
> v4l2: ioctl query control failed[ 425.844055] video2: VIDIOC_QUERYCTRL: error -25: id=0x980902, type=0, name=, min/max=0/0, step=0, default=0, flags=0x00000000
> : Inappropriate ioctl for device
> v4l2: ioctl quer[ 425.860198] video2: VIDIOC_QUERYCTRL: error -25: id=0x980901, type=0, name=, min/max=0/0, step=0, default=0, flags=0x00000000
> y control failed: Inappropriate ioctl for device
> v4l2: ioctl query control failed: Inappropriate ioctl for device
> [ 425.930206] configuring for 1280(2560)x1024
> [ 425.943481] omap3isp 480bc000.isp: -------------CCDC Register dump-------------
> [ 425.951171] omap3isp 480bc000.isp: ###CCDC PCR=0x00000000
> [ 425.958007] omap3isp 480bc000.isp: ###CCDC SYN_MODE=0x00071704
> [ 425.964996] omap3isp 480bc000.isp: ###CCDC HD_VD_WID=0x00000000
> [ 425.972656] omap3isp 480bc000.isp: ###CCDC PIX_LINES=0x00000000
> [ 425.978881] omap3isp 480bc000.isp: ###CCDC HORZ_INFO=0x000004ff
> [ 425.986114] omap3isp 480bc000.isp: ###CCDC VERT_START=0x00000000
> [ 425.993255] omap3isp 480bc000.isp: ###CCDC VERT_LINES=0x000003ff
> [ 425.999694] omap3isp 480bc000.isp: ###CCDC CULLING=0xffff00ff
> [ 426.006530] omap3isp 480bc000.isp: ###CCDC HSIZE_OFF=0x00000a00
> [ 426.013580] omap3isp 480bc000.isp: ###CCDC SDOFST=0x00000000
> [ 426.019531] omap3isp 480bc000.isp: ###CCDC SDR_ADDR=0x40000000
> [ 426.026550] omap3isp 480bc000.isp: ###CCDC CLAMP=0x00000010
> [ 426.033142] omap3isp 480bc000.isp: ###CCDC DCSUB=0x00000000
> [ 426.039123] omap3isp 480bc000.isp: ###CCDC COLPTN=0xbb11bb11
> [ 426.046020] omap3isp 480bc000.isp: ###CCDC BLKCMP=0x00000000
> [ 426.052795] omap3isp 480bc000.isp: ###CCDC FPC=0x00000000
> [ 426.058532] omap3isp 480bc000.isp: ###CCDC FPC_ADDR=0x00000000
> [ 426.065551] omap3isp 480bc000.isp: ###CCDC VDINT=0x03fe02aa
> [ 426.072143] omap3isp 480bc000.isp: ###CCDC ALAW=0x00000006
> [ 426.078033] omap3isp 480bc000.isp: ###CCDC REC656IF=0x00000000
> [ 426.084960] omap3isp 480bc000.isp: ###CCDC CFG=0x00008800
> [ 426.090759] omap3isp 480bc000.isp: ###CCDC FMTCFG=0x00000000
> [ 426.097869] omap3isp 480bc000.isp: ###CCDC FMT_HORZ=0x00000000
> [ 426.104949] omap3isp 480bc000.isp: ###CCDC FMT_VERT=0x00000000
> [ 426.111053] omap3isp 480bc000.isp: ###CCDC PRGEVEN0=0x00000000
> [ 426.118103] omap3isp 480bc000.isp: ###CCDC PRGEVEN1=0x00000000
> [ 426.124999] omap3isp 480bc000.isp: ###CCDC PRGODD0=0x00000000
> [ 426.131164] omap3isp 480bc000.isp: ###CCDC PRGODD1=0x00000000
> [ 426.138000] omap3isp 480bc000.isp: ###CCDC VP_OUT=0x00000000
> [ 426.144744] omap3isp 480bc000.isp: ###CCDC LSC_CONFIG=0x00006600
> [ 426.151062] omap3isp 480bc000.isp: ###CCDC LSC_INITIAL=0x00000000
> [ 426.158325] omap3isp 480bc000.isp: ###CCDC LSC_TABLE_BASE=0x00000000
> [ 426.165740] omap3isp 480bc000.isp: ###CCDC LSC_TABLE_OFFSET=0x00000000
> [ 426.173400] omap3isp 480bc000.isp: --------------------------------------------
> [ 426.188140] video2: VIDIOC_STREAMON: type=vid-cap
> [ 426.194244] video2: poll: 00000000
> [ass] auto-open
> Opening video filter: [rotate=2]
> VIDEO: 1280x1024 15.000 fps 0.0 kbps ( 0.0 kB/s)
> Could not find matching colorspace - retrying with -vf scale...
> Opening video filter: [scale]
> [swscaler @ 0xb5d45980]using unscaled uyvy422 -> yuv420p special converter
> VO: [x11] 1024x1280 => 1024x1280 Planar YV12
> [swscaler @ 0xb5d45980]No accelerated colorspace conversion found from yuv420p to bgra.
> Colorspace details not fully supported by selected vo.
> Selected video codec: RAW UYVY [raw]
> Audio: no sound
> Starting playback...
> [ 427.194793] video2: poll: 00000000
> v4l2: select timeout
> [ 427.203033] video2: poll: 00000000
> [ 428.204498] video2: poll: 00000000
>
> v4l2: select timeout
> [ 428.215667] video2: poll: 00000000
> [ 429.217102] video2: poll: 00000000
>
> v4l2: select timeout
> [ 429.233978] video2: poll: 00000000
> [ 430.235656] video2: poll: 00000000
>
> v4l2: select timeout
> [ 430.240661] video2: poll: 00000000
> [ 431.242889] video2: poll: 00000000
>
> v4l2: select timeout
> [ 431.249114] video2: poll: 00000000
> V: 0.0 6/ 6 ??% ??% ??,?% 0 0
>
>
> MPlayer interrupted by signal 2 in module: filter_video
> [ 432.251220] video2: poll: 00000000
> v4l2: select timeout
> [ 432.256713] video2: poll: 00000000
> [ 433.258941] video2: poll: 00000000
>
> v4l2: select timeout
> [ 433.266632] omap3isp 480bc000.isp: OMAP3 ISP AEWB: user wants to disable module.
> [ 433.280090] omap3isp 480bc000.isp: OMAP3 ISP AEWB: module is being disabled
> [ 433.290130] omap3isp 480bc000.isp: OMAP3 ISP AF: user wants to disable module.
> [ 433.300140] omap3isp 480bc000.isp: OMAP3 ISP AF: module is being disabled
> [ 433.309631] omap3isp 480bc000.isp: OMAP3 ISP histogram: user wants to disable module.
> [ 433.319885] omap3isp 480bc000.isp: OMAP3 ISP histogram: module is being disabled
> [ 435.373168] omap3isp 480bc000.isp: CCDC stop timeout!
> [ 435.380371] omap3isp 480bc000.isp: Unable to stop OMAP3 ISP CCDC
> [ 435.391754] video2: VIDIOC_STREAMOFF: type=vid-cap
> [ 435.397583] video2: VIDIOC_DQBUF: error -22: 00:00:00.00000000 index=0, type=vid-cap, flags=0x00000000, field=any, sequence=0, memory=mmap, bytesused=0, offset/userptr=0x0, length=0
> [ 435.417175] timecode=00:00:00 type=0, flags=0x00000000, frames=0, userbits=0x00000000
> [ 435.431549] video2: VIDIOC_S_CTRL: error -25: id=0x980909, value=1
> v4l2: ioctl set mute failed: Inappropriate ioctl for device
> [ 435.495422] video2: release
> v4l2: 0 frames successfully processed, 1 frames dropped.
>
> Exiting... (Quit)
> root@letux:~#

Seem as if it tells me not much more than setting "pal" norm does fail and there is no "MUTE".
VIDIOC_STREAMON is successful and the poll times out.

Anyways, this indicates that the problem is probably not in the v4l2 layer but below, i.e. omap3isp+camera.

Maybe as simple as the ISP ignoring the SYNC inputs and then of course failing to capture frames within given time.
I have checked our pinmux setup but didn't find anything suspicious.

So is it somehow possible to check if the omap3isp is running and receiving sync inpulses?

BR and thanks,
Nikolaus

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