lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <f6762a0e-8cb9-4097-b33d-42c6334989fc@microchip.com>
Date: Wed, 15 Oct 2025 05:26:12 +0000
From: <Balamanikandan.Gunasundar@...rochip.com>
To: <eugen.hristev@...aro.org>
CC: <3chas3@...il.com>, <Nicolas.Ferre@...rochip.com>,
	<alexandre.belloni@...tlin.com>, <claudiu.beznea@...on.dev>,
	<Balakrishnan.S@...rochip.com>, <hverkuil@...nel.org>,
	<ribalda@...omium.org>, <laurent.pinchart+renesas@...asonboard.com>,
	<jacopo.mondi@...asonboard.com>, <dan.scally+renesas@...asonboard.com>,
	<tomi.valkeinen@...asonboard.com>, <linux-kernel@...r.kernel.org>,
	<linux-media@...r.kernel.org>, <linux-atm-general@...ts.sourceforge.net>,
	<netdev@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
	<mchehab@...nel.org>
Subject: Re: [PATCH 00/18] media: microchip-isc: Color correction and
 histogram stats

On 10/10/25 1:41 am, Eugen Hristev wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
>
> Hi Bala,
>
> On 10/9/25 18:52, Balamanikandan Gunasundar wrote:
>> Hi,
>>
>> This patch series has a set of enhancements to the Microchip Image Sensor
>> Controller driver. The objective is to expand its image processing
>> capabilities and to improve the colors.
>>
>> This series also introduces a new stats driver that exposes the histogram
>> data to userspace via v4l2 controls. This allows applications such as
>> libcamera to access real time image statistics for advanced image
>> processing like automatic exposure, white balance adjustments etc.
>>
>> Balakrishnan Sambath (11):
>>    media: microchip-isc: Enable GDC and CBC module flags for RGB formats
>>    media: microchip-isc: Improve histogram calculation with outlier
>>      rejection
>>    media: microchip-isc: Use channel averages for Grey World AWB
>>    media: microchip-isc: Add range based black level correction
>>    media: platform: microchip: Extend gamma table and control range
>>    media: platform: microchip: Add new histogram submodule
>>    media: microchip-isc: Register and unregister statistics device
>>    media: microchip-isc: Always enable histogram for all RAW formats
>>    media: microchip-isc: fix histogram state initialization order
>>    media: microchip-isc: decouple histogram cycling from AWB mode
>>    media: microchip-isc: enable userspace histogram statistics export
>>
>> Balamanikandan Gunasundar (7):
>>    media: platform: microchip: set maximum resolution for sam9x7
>>    media: platform: microchip: Include DPC modules flags in pipeline
>>    media: microchip-isc: expose hue and saturation as v4l2 controls
>>    media: microchip-isc: Rename CBC to CBHS
>>    media: microchip-isc: Store histogram data of all channels
>>    media: videodev2.h, v4l2-ioctl: Add microchip statistics format
>>    media: microchip-isc: expose color correction registers as v4l2
>>      controls
>>
>>   drivers/media/platform/microchip/Kconfig      |   2 +
>>   drivers/media/platform/microchip/Makefile     |   2 +-
>>   .../platform/microchip/microchip-isc-base.c   | 373 ++++++++++--
>>   .../platform/microchip/microchip-isc-regs.h   |   3 +
>>   .../platform/microchip/microchip-isc-stats.c  | 549 ++++++++++++++++++
>>   .../media/platform/microchip/microchip-isc.h  |  44 +-
>>   .../microchip/microchip-sama5d2-isc.c         |   2 +-
>>   .../microchip/microchip-sama7g5-isc.c         |  73 ++-
>>   drivers/media/v4l2-core/v4l2-ioctl.c          |   1 +
>>   include/linux/atmel-isc-media.h               |  13 +
>>   include/uapi/linux/videodev2.h                |   3 +
>>   11 files changed, 1001 insertions(+), 64 deletions(-)
>>   create mode 100644 drivers/media/platform/microchip/microchip-isc-stats.c
>>
> This looks interesting.
> I would like to see the compliance tool output for more platforms
> (sama7g5, sama5d2, and the new sam9x7), also the media-ctl -p , to see
> the topology with your new driver.
>
> Thanks,
> Eugen


Please find the output below,

-------- sama7g5ek --------

root@...a7g5ek-sd:~# v4l2-compliance -d /dev/video0
v4l2-compliance 1.26.1-5142, 32 bits, 64-bit time_t
v4l2-compliance SHA: 4aee01a02792 2023-12-12 21:40:38

Compliance test for microchip-isc device /dev/video0:

Driver Info:
         Driver name      : microchip-isc
         Card type        : Microchip Image Sensor Controll
         Bus info         : platform:e1408000.xisc
         Driver version   : 6.12.48
         Capabilities     : 0xa4200001
                 Video Capture
                 I/O MC
                 Streaming
                 Extended Pix Format
                 Device Capabilities
         Device Caps      : 0x24200001
                 Video Capture
                 I/O MC
                 Streaming
                 Extended Pix Format
Media Driver Info:
         Driver name      : microchip_isc_c
         Model            : microchip,sama7g5-isc
         Serial           :
         Bus info         : platform:e1408000.xisc
         Media version    : 6.12.48
         Hardware revision: 0x00000220 (544)
         Driver version   : 6.12.48
Interface Info:
         ID               : 0x0300001a
         Type             : V4L Video
Entity Info:
         ID               : 0x00000018 (24)
         Name             : microchip_isc_common
         Function         : V4L2 I/O
         Flags            : default
         Pad 0x01000019   : 0: Sink
           Link 0x02000022: from remote pad 0x1000003 of entity 
'microchip_isc_scaler' (Video Scaler): Data, Enabled, Immutable

Required ioctls:
         test MC information (see 'Media Driver Info' above): OK
         test VIDIOC_QUERYCAP: OK
         test invalid ioctls: OK

Allow for multiple opens:
         test second /dev/video0 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

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
         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: 8 Private Controls: 20

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 CREATE_BUFS maximum buffers: OK
         test VIDIOC_EXPBUF: OK
         test Requests: OK (Not Supported)
         test TIME32/64: OK

Total for microchip-isc device /dev/video0: 48, Succeeded: 48, Failed: 
0, Warnings: 0
root@...a7g5ek-sd:~# v4l2-compliance -d /dev/video1
v4l2-compliance 1.26.1-5142, 32 bits, 64-bit time_t
v4l2-compliance SHA: 4aee01a02792 2023-12-12 21:40:38

Compliance test for microchip-isc device /dev/video1:

Driver Info:
         Driver name      : microchip-isc
         Card type        : microchip-isc_stats
         Bus info         : platform:microchip-isc
         Driver version   : 6.12.48
         Capabilities     : 0x84a00000
                 Metadata Capture
                 Streaming
                 Extended Pix Format
                 Device Capabilities
         Device Caps      : 0x04a00000
                 Metadata Capture
                 Streaming
                 Extended Pix Format
Media Driver Info:
         Driver name      : microchip_isc_c
         Model            : microchip,sama7g5-isc
         Serial           :
         Bus info         : platform:e1408000.xisc
         Media version    : 6.12.48
         Hardware revision: 0x00000220 (544)
         Driver version   : 6.12.48
Interface Info:
         ID               : 0x0300001e
         Type             : V4L Video
Entity Info:
         ID               : 0x0000001c (28)
         Name             : microchip-isc_stats
         Function         : V4L2 I/O
         Pad 0x0100001d   : 0: Sink

Required ioctls:
         test MC information (see 'Media Driver Info' above): OK
                 warn: v4l2-compliance.cpp(670): media bus_info 
'platform:e1408000.xisc' differs from V4L2 bus_info 'platform:microchip-isc'
         test VIDIOC_QUERYCAP: OK
         test invalid ioctls: OK

Allow for multiple opens:
         test second /dev/video1 open: OK
                 warn: v4l2-compliance.cpp(670): media bus_info 
'platform:e1408000.xisc' differs from V4L2 bus_info 'platform:microchip-isc'
         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 (Not Supported)
         test VIDIOC_G/S_AUDIO: OK (Not Supported)
         Inputs: 0 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:
         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:
         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 (Not Supported)

Codec ioctls:
         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:
         test VIDIOC_REQBUFS/CREATE_BUFS/QUERYBUF: OK
         test CREATE_BUFS maximum buffers: OK
         test VIDIOC_EXPBUF: OK
         test Requests: OK (Not Supported)
         test TIME32/64: OK

Total for microchip-isc device /dev/video1: 48, Succeeded: 48, Failed: 
0, Warnings: 2
root@...a7g5ek-sd:~# media-ctl -p
Media controller API version 6.12.48

Media device information
------------------------
driver          microchip_isc_c
model           microchip,sama7g5-isc
serial
bus info        platform:e1408000.xisc
hw revision     0x220
driver version  6.12.48

Device topology
- entity 1: microchip_isc_scaler (2 pads, 2 links, 0 routes)
             type V4L2 subdev subtype Unknown flags 0
             device node name /dev/v4l-subdev0
         pad0: Sink
                 [stream:0 fmt:SBGGR8_1X8/3264x2464 field:none 
colorspace:srgb
                  crop.bounds:(0,0)/3264x2464
                  crop:(0,0)/3264x2464]
                 <- "csi2dc":1 [ENABLED,IMMUTABLE]
         pad1: Source
                 [stream:0 fmt:SBGGR8_1X8/3264x2464 field:none 
colorspace:srgb]
                 -> "microchip_isc_common":0 [ENABLED,IMMUTABLE]

- entity 4: csi2dc (2 pads, 2 links, 0 routes)
             type V4L2 subdev subtype Unknown flags 0
             device node name /dev/v4l-subdev1
         pad0: Sink
                 [stream:0 fmt:SRGGB8_1X8/640x480 field:none 
colorspace:srgb]
                 <- "dw-csi.0":1 [ENABLED]
         pad1: Source
                 [stream:0 fmt:SRGGB8_1X8/640x480 field:none 
colorspace:srgb]
                 -> "microchip_isc_scaler":0 [ENABLED,IMMUTABLE]

- entity 7: dw-csi.0 (2 pads, 2 links, 0 routes)
             type V4L2 subdev subtype Unknown flags 0
             device node name /dev/v4l-subdev2
         pad0: Sink
                 [stream:0 fmt:SBGGR8_1X8/0x0]
                 <- "imx219 1-0010":0 [ENABLED]
         pad1: Source
                 [stream:0 fmt:SBGGR8_1X8/0x0]
                 -> "csi2dc":0 [ENABLED]

- entity 12: imx219 1-0010 (1 pad, 1 link, 0 routes)
              type V4L2 subdev subtype Sensor flags 0
              device node name /dev/v4l-subdev3
         pad0: Source
                 [stream:0 fmt:SRGGB10_1X10/3280x2464 field:none 
colorspace:raw xfer:none ycbcr:601 quantization:full-range
                  crop.bounds:(8,8)/3280x2464
                  crop:(8,8)/3280x2464]
                 -> "dw-csi.0":0 [ENABLED]

- entity 24: microchip_isc_common (1 pad, 1 link)
              type Node subtype V4L flags 1
              device node name /dev/video0
         pad0: Sink
                 <- "microchip_isc_scaler":1 [ENABLED,IMMUTABLE]

- entity 28: microchip-isc_stats (1 pad, 0 link)
              type Node subtype V4L flags 0
              device node name /dev/video1
         pad0: Sink

-------------sam9x75_curiosity------------------

root@...9x75-curiosity-sd:~# v4l2-compliance -d /dev/video0
v4l2-compliance 1.26.1-5142, 32 bits, 64-bit time_t
v4l2-compliance SHA: 4aee01a02792 2023-12-12 21:40:38

Compliance test for microchip-isc device /dev/video0:

Driver Info:
         Driver name      : microchip-isc
         Card type        : Microchip Image Sensor Controll
         Bus info         : platform:f8048000.xisc
         Driver version   : 6.12.48
         Capabilities     : 0xa4200001
                 Video Capture
                 I/O MC
                 Streaming
                 Extended Pix Format
                 Device Capabilities
         Device Caps      : 0x24200001
                 Video Capture
                 I/O MC
                 Streaming
                 Extended Pix Format
Media Driver Info:
         Driver name      : microchip_isc_c
         Model            : microchip,sama7g5-isc
         Serial           :
         Bus info         : platform:f8048000.xisc
         Media version    : 6.12.48
         Hardware revision: 0x00010260 (66144)
         Driver version   : 6.12.48
Interface Info:
         ID               : 0x0300001a
         Type             : V4L Video
Entity Info:
         ID               : 0x00000018 (24)
         Name             : microchip_isc_common
         Function         : V4L2 I/O
         Flags            : default
         Pad 0x01000019   : 0: Sink
           Link 0x02000022: from remote pad 0x1000003 of entity 
'microchip_isc_scaler' (Video Scaler): Data, Enabled, Immutable

Required ioctls:
         test MC information (see 'Media Driver Info' above): OK
         test VIDIOC_QUERYCAP: OK
         test invalid ioctls: OK

Allow for multiple opens:
         test second /dev/video0 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

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
         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: 8 Private Controls: 20

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 CREATE_BUFS maximum buffers: OK
         test VIDIOC_EXPBUF: OK
         test Requests: OK (Not Supported)
         test TIME32/64: OK

Total for microchip-isc device /dev/video0: 48, Succeeded: 48, Failed: 
0, Warnings: 0
root@...9x75-curiosity-sd:~# v4l2-compliance -d /dev/video1
v4l2-compliance 1.26.1-5142, 32 bits, 64-bit time_t
v4l2-compliance SHA: 4aee01a02792 2023-12-12 21:40:38

Compliance test for microchip-isc device /dev/video1:

Driver Info:
         Driver name      : microchip-isc
         Card type        : microchip-isc_stats
         Bus info         : platform:microchip-isc
         Driver version   : 6.12.48
         Capabilities     : 0x84a00000
                 Metadata Capture
                 Streaming
                 Extended Pix Format
                 Device Capabilities
         Device Caps      : 0x04a00000
                 Metadata Capture
                 Streaming
                 Extended Pix Format
Media Driver Info:
         Driver name      : microchip_isc_c
         Model            : microchip,sama7g5-isc
         Serial           :
         Bus info         : platform:f8048000.xisc
         Media version    : 6.12.48
         Hardware revision: 0x00010260 (66144)
         Driver version   : 6.12.48
Interface Info:
         ID               : 0x0300001e
         Type             : V4L Video
Entity Info:
         ID               : 0x0000001c (28)
         Name             : microchip-isc_stats
         Function         : V4L2 I/O
         Pad 0x0100001d   : 0: Sink

Required ioctls:
         test MC information (see 'Media Driver Info' above): OK
                 warn: v4l2-compliance.cpp(670): media bus_info 
'platform:f8048000.xisc' differs from V4L2 bus_info 'platform:microchip-isc'
         test VIDIOC_QUERYCAP: OK
         test invalid ioctls: OK

Allow for multiple opens:
         test second /dev/video1 open: OK
                 warn: v4l2-compliance.cpp(670): media bus_info 
'platform:f8048000.xisc' differs from V4L2 bus_info 'platform:microchip-isc'
         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 (Not Supported)
         test VIDIOC_G/S_AUDIO: OK (Not Supported)
         Inputs: 0 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:
         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:
         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 (Not Supported)

Codec ioctls:
         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:
         test VIDIOC_REQBUFS/CREATE_BUFS/QUERYBUF: OK
         test CREATE_BUFS maximum buffers: OK
         test VIDIOC_EXPBUF: OK
         test Requests: OK (Not Supported)
         test TIME32/64: OK

Total for microchip-isc device /dev/video1: 48, Succeeded: 48, Failed: 
0, Warnings: 2
root@...9x75-curiosity-sd:~# media-ctl -p
Media controller API version 6.12.48

Media device information
------------------------
driver          microchip_isc_c
model           microchip,sama7g5-isc
serial
bus info        platform:f8048000.xisc
hw revision     0x10260
driver version  6.12.48

Device topology
- entity 1: microchip_isc_scaler (2 pads, 2 links, 0 routes)
             type V4L2 subdev subtype Unknown flags 0
             device node name /dev/v4l-subdev0
         pad0: Sink
                 [stream:0 fmt:SBGGR8_1X8/2560x1920 field:none 
colorspace:srgb
                  crop.bounds:(0,0)/2560x1920
                  crop:(0,0)/2560x1920]
                 <- "csi2dc":1 [ENABLED,IMMUTABLE]
         pad1: Source
                 [stream:0 fmt:SBGGR8_1X8/2560x1920 field:none 
colorspace:srgb]
                 -> "microchip_isc_common":0 [ENABLED,IMMUTABLE]

- entity 4: csi2dc (2 pads, 2 links, 0 routes)
             type V4L2 subdev subtype Unknown flags 0
             device node name /dev/v4l-subdev1
         pad0: Sink
                 [stream:0 fmt:SRGGB8_1X8/640x480 field:none 
colorspace:srgb]
                 <- "dw-csi.0":1 [ENABLED]
         pad1: Source
                 [stream:0 fmt:SRGGB8_1X8/640x480 field:none 
colorspace:srgb]
                 -> "microchip_isc_scaler":0 [ENABLED,IMMUTABLE]

- entity 7: dw-csi.0 (2 pads, 2 links, 0 routes)
             type V4L2 subdev subtype Unknown flags 0
             device node name /dev/v4l-subdev2
         pad0: Sink
                 [stream:0 fmt:SBGGR8_1X8/0x0]
                 <- "imx219 0-0010":0 [ENABLED]
         pad1: Source
                 [stream:0 fmt:SBGGR8_1X8/0x0]
                 -> "csi2dc":0 [ENABLED]

- entity 12: imx219 0-0010 (1 pad, 1 link, 0 routes)
              type V4L2 subdev subtype Sensor flags 0
              device node name /dev/v4l-subdev3
         pad0: Source
                 [stream:0 fmt:SRGGB10_1X10/3280x2464 field:none 
colorspace:raw xfer:none ycbcr:601 quantization:full-range
                  crop.bounds:(8,8)/3280x2464
                  crop:(8,8)/3280x2464]
                 -> "dw-csi.0":0 [ENABLED]

- entity 24: microchip_isc_common (1 pad, 1 link)
              type Node subtype V4L flags 1
              device node name /dev/video0
         pad0: Sink
                 <- "microchip_isc_scaler":1 [ENABLED,IMMUTABLE]

- entity 28: microchip-isc_stats (1 pad, 0 link)
              type Node subtype V4L flags 0
              device node name /dev/video1
         pad0: Sink

I will get you the output for sama5d2 shortly.

Thanks,

Bala



Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ