Re: [PATCH v9 00/10] media: Add driver for the Raspberry Pi <5 CSI-2 receiver

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Hi Florian,

I think patches 05/10 ("ARM: dts: bcm2835-rpi: Move duplicate
firmware-clocks to bcm2835-rpi.dtsi"), 07/10 ("ARM: dts: bcm2711-rpi:
Add pinctrl-based multiplexing for I2C0"), 08/10 ("ARM: dts:
bcm2711-rpi-cm4-io: Add RTC on I2C0") and 09/10 ("ARM: dts:
bcm2711-rpi-4-b: Add CAM1 regulator") are ready for you to merge. This
would help reducing further iterations of this series.

On Tue, Apr 02, 2024 at 03:04:07AM +0300, Laurent Pinchart wrote:
> Hello everybody,
> 
> This patch series adds a new driver for the BCM2835 (and derivative)
> CCP2/CSI2 camera interface named Unicam. This IP core is found in the
> VC4-based Raspberry Pi, namely the Pi Zero, Pi 3 and Pi 4.
> 
> Camera support for Raspberry Pi 4 currently relies on a downstream
> Unicam driver that live in the Raspberry Pi kernel tree ([1]). The
> driver uses the V4L2 API, but works around the lack of features in V4L2
> to properly support sensor embedded data. Since the Unicam driver
> development by Raspberry Pi, some of those features have been merged in
> the kernel (namely the V4L2 streams API) or are being developed (namely
> generic metadata formats and subdev internal pads), with patches posted
> for review on the linux-media mailing list ([2]).
> 
> This new upstream driver is based on the downstream code, extensively
> reworked to use the new V4L2 APIs.
> 
> The series is based on a merge of
> 
> - v8 of the generic metadata and internal pads, rebased on v6.9-rc1 ([3])
> - the downstream ISP driver ported to mainline ([4])
> 
> with a set of patches for the imx219 driver applied on top. For
> convenience, it can be found in [5]. Note that the ISP driver is getting
> upstreamed separately.
> 
> As in v7, I have left the imx219 patches out, as they don't need to be
> bundled with the Unicam driver for review. They will be resubmitted
> separately.
> 
> Compared to v8, I have addressed review comments (in patches 04/10 and
> 05/10) and fixed a few issues in the unicam driver. Please see
> individual patches for details. A few fixes for v4l2-compliance in the
> V4L2 subdev core have also been included in [3], they have been posted
> to the linux-media mailing list separately.
> 
> The series starts with four patches that add the Unicam driver (04/10),
> with new V4L2 pixel formats (01/10 and 02/10) and DT bindings (03/10).
> The remaining patches cover DT integration (05/10 to 09/10) with a
> sample DT overlay for the IMX219 camera module (10/10).
> 
> The patches have been tested on a Raspberry Pi 4 using an IMX219 camera
> module (the Raspberry Pi camera v2), with libcamera. Updates are needed
> to libcamera to use the new V4L2 APIs, patches have been posted to [6].
> For manual testing with media-ctl, corresponding API updates to
> v4l-utils have been posted to the linux-media mailing list ([7]) and are
> available for convenience in a git branch at [8].
> 
> While more work is needed to be able to merge the generic metadata API
> (namely implementing support for the latest API version in media-ctl and
> v4l2-compliance), I'm happy with the unicam implementation, and I
> believe we're really nearing completion. This series, along with the
> libcamera support, help validating the new kernel APIs. We have reached
> a point where we can start converting other sensor drivers from the
> downstream Raspberry Pi kernel to the standard APIs for embedded data,
> as well as integrating the APIs in the Raspberry Pi 5 CFE driver.
> 
> Here's the mandatory v4l2-compliance reports. It requires the v4l-utils
> updates from [7]. There is a total of 2 errors and 4 warnings, all
> related to the imx219 driver. They will be addressed separately, as part
> of the effort to add embedded data support to the imx219 driver.
> 
> v4l2-compliance 1.27.0-5189, 64 bits, 64-bit time_t
> v4l2-compliance SHA: 44bd7e27daac 2024-04-01 22:18:20
> 
> Compliance test for unicam device /dev/media0:
> 
> Media Driver Info:
> 	Driver name      : unicam
> 	Model            : unicam
> 	Serial           : 
> 	Bus info         : platform:fe801000.csi
> 	Media version    : 6.9.0
> 	Hardware revision: 0x00000000 (0)
> 	Driver version   : 6.9.0
> 
> Required ioctls:
> 	test MEDIA_IOC_DEVICE_INFO: OK
> 	test invalid ioctls: OK
> 
> Allow for multiple opens:
> 	test second /dev/media0 open: OK
> 	test MEDIA_IOC_DEVICE_INFO: OK
> 	test for unlimited opens: OK
> 
> Media Controller ioctls:
> 	test MEDIA_IOC_G_TOPOLOGY: OK
> 	Entities: 4 Interfaces: 4 Pads: 8 Links: 7
> 	test MEDIA_IOC_ENUM_ENTITIES/LINKS: OK
> 	test MEDIA_IOC_SETUP_LINK: OK
> 
> Total for unicam device /dev/media0: 8, Succeeded: 8, Failed: 0, Warnings: 0
> --------------------------------------------------------------------------------
> Compliance test for unicam device /dev/video0:
> 
> Driver Info:
> 	Driver name      : unicam
> 	Card type        : unicam
> 	Bus info         : platform:fe801000.csi
> 	Driver version   : 6.9.0
> 	Capabilities     : 0xa4a00001
> 		Video Capture
> 		Metadata 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      : unicam
> 	Model            : unicam
> 	Serial           : 
> 	Bus info         : platform:fe801000.csi
> 	Media version    : 6.9.0
> 	Hardware revision: 0x00000000 (0)
> 	Driver version   : 6.9.0
> Interface Info:
> 	ID               : 0x0300000d
> 	Type             : V4L Video
> Entity Info:
> 	ID               : 0x0000000b (11)
> 	Name             : unicam-image
> 	Function         : V4L2 I/O
> 	Flags            : default
> 	Pad 0x0100000c   : 0: Sink
> 	  Link 0x0200000f: from remote pad 0x1000003 of entity 'unicam' (Video Interface Bridge): 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 (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 (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_REMOVE_BUFS: OK
> 	test VIDIOC_EXPBUF: OK
> 	test Requests: OK (Not Supported)
> 
> Total for unicam device /dev/video0: 48, Succeeded: 48, Failed: 0, Warnings: 0
> --------------------------------------------------------------------------------
> Compliance test for unicam device /dev/video1:
> 
> Driver Info:
> 	Driver name      : unicam
> 	Card type        : unicam
> 	Bus info         : platform:fe801000.csi
> 	Driver version   : 6.9.0
> 	Capabilities     : 0xa4a00001
> 		Video Capture
> 		Metadata Capture
> 		I/O MC
> 		Streaming
> 		Extended Pix Format
> 		Device Capabilities
> 	Device Caps      : 0x24a00000
> 		Metadata Capture
> 		I/O MC
> 		Streaming
> 		Extended Pix Format
> Media Driver Info:
> 	Driver name      : unicam
> 	Model            : unicam
> 	Serial           : 
> 	Bus info         : platform:fe801000.csi
> 	Media version    : 6.9.0
> 	Hardware revision: 0x00000000 (0)
> 	Driver version   : 6.9.0
> Interface Info:
> 	ID               : 0x03000013
> 	Type             : V4L Video
> Entity Info:
> 	ID               : 0x00000011 (17)
> 	Name             : unicam-embedded
> 	Function         : V4L2 I/O
> 	Pad 0x01000012   : 0: Sink
> 	  Link 0x02000015: from remote pad 0x1000004 of entity 'unicam' (Video Interface Bridge): 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/video1 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 (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 (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 (Not Supported)
> 
> 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_REMOVE_BUFS: OK
> 	test VIDIOC_EXPBUF: OK
> 	test Requests: OK (Not Supported)
> 
> Total for unicam device /dev/video1: 48, Succeeded: 48, Failed: 0, Warnings: 0
> --------------------------------------------------------------------------------
> Compliance test for unicam device /dev/v4l-subdev0:
> 
> Driver Info:
> 	Driver version   : 6.9.0
> 	Capabilities     : 0x00000002
> 		Streams Support
> 	Client Capabilities: 0x0000000000000003
> streams interval-uses-which Media Driver Info:
> 	Driver name      : unicam
> 	Model            : unicam
> 	Serial           : 
> 	Bus info         : platform:fe801000.csi
> 	Media version    : 6.9.0
> 	Hardware revision: 0x00000000 (0)
> 	Driver version   : 6.9.0
> Interface Info:
> 	ID               : 0x03000017
> 	Type             : V4L Sub-Device
> Entity Info:
> 	ID               : 0x00000001 (1)
> 	Name             : unicam
> 	Function         : Video Interface Bridge
> 	Pad 0x01000002   : 0: Sink
> 	  Link 0x02000009: from remote pad 0x1000006 of entity 'imx219 5-0010' (Camera Sensor): Data, Enabled, Immutable
> 	Pad 0x01000003   : 1: Source
> 	  Link 0x0200000f: to remote pad 0x100000c of entity 'unicam-image' (V4L2 I/O): Data, Enabled, Immutable
> 	Pad 0x01000004   : 2: Source
> 	  Link 0x02000015: to remote pad 0x1000012 of entity 'unicam-embedded' (V4L2 I/O): Data, Enabled, Immutable
> 
> Required ioctls:
> 	test MC information (see 'Media Driver Info' above): OK
> 	test VIDIOC_SUDBEV_QUERYCAP: OK
> 	test invalid ioctls: OK
> 
> Allow for multiple opens:
> 	test second /dev/v4l-subdev0 open: OK
> 	test VIDIOC_SUBDEV_QUERYCAP: OK
> 	test for unlimited opens: OK
> 
> Debug ioctls:
> 	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)
> 
> Sub-Device routing ioctls:
> 	test Try VIDIOC_SUBDEV_G_ROUTING/VIDIOC_SUBDEV_S_ROUTING: OK
> 	test Active VIDIOC_SUBDEV_G_ROUTING/VIDIOC_SUBDEV_S_ROUTING: OK
> 
> Sub-Device ioctls (Sink Pad 0):
> 	Try Stream 0
> 	test Try VIDIOC_SUBDEV_ENUM_MBUS_CODE/FRAME_SIZE/FRAME_INTERVAL: OK
> 	test Try VIDIOC_SUBDEV_G/S_FMT: OK
> 	test Try VIDIOC_SUBDEV_G/S_SELECTION/CROP: OK (Not Supported)
> 	Active Stream 0
> 	test Active VIDIOC_SUBDEV_ENUM_MBUS_CODE/FRAME_SIZE/FRAME_INTERVAL: OK
> 	test Active VIDIOC_SUBDEV_G/S_FMT: OK
> 	test Active VIDIOC_SUBDEV_G/S_SELECTION/CROP: OK (Not Supported)
> 	test Active VIDIOC_SUBDEV_G/S_FRAME_INTERVAL: OK (Not Supported)
> 
> Sub-Device ioctls (Source Pad 1):
> 	Try Stream 0
> 	test Try VIDIOC_SUBDEV_ENUM_MBUS_CODE/FRAME_SIZE/FRAME_INTERVAL: OK
> 	test Try VIDIOC_SUBDEV_G/S_FMT: OK
> 	test Try VIDIOC_SUBDEV_G/S_SELECTION/CROP: OK (Not Supported)
> 	Active Stream 0
> 	test Active VIDIOC_SUBDEV_ENUM_MBUS_CODE/FRAME_SIZE/FRAME_INTERVAL: OK
> 	test Active VIDIOC_SUBDEV_G/S_FMT: OK
> 	test Active VIDIOC_SUBDEV_G/S_SELECTION/CROP: OK (Not Supported)
> 	test Active VIDIOC_SUBDEV_G/S_FRAME_INTERVAL: OK (Not Supported)
> 
> Sub-Device ioctls (Source Pad 2):
> 
> 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 (Not Supported)
> 	test VIDIOC_G/S_PARM: OK (Not Supported)
> 	test VIDIOC_G_FBUF: OK (Not Supported)
> 	test VIDIOC_G_FMT: OK (Not Supported)
> 	test VIDIOC_TRY_FMT: OK (Not Supported)
> 	test VIDIOC_S_FMT: OK (Not Supported)
> 	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 (Not Supported)
> 	test CREATE_BUFS maximum buffers: OK
> 	test VIDIOC_REMOVE_BUFS: OK
> 	test VIDIOC_EXPBUF: OK (Not Supported)
> 	test Requests: OK (Not Supported)
> 
> Total for unicam device /dev/v4l-subdev0: 62, Succeeded: 62, Failed: 0, Warnings: 0
> --------------------------------------------------------------------------------
> Compliance test for unicam device /dev/v4l-subdev1:
> 
> Driver Info:
> 	Driver version   : 6.9.0
> 	Capabilities     : 0x00000002
> 		Streams Support
> 	Client Capabilities: 0x0000000000000003
> streams interval-uses-which Media Driver Info:
> 	Driver name      : unicam
> 	Model            : unicam
> 	Serial           : 
> 	Bus info         : platform:fe801000.csi
> 	Media version    : 6.9.0
> 	Hardware revision: 0x00000000 (0)
> 	Driver version   : 6.9.0
> Interface Info:
> 	ID               : 0x03000019
> 	Type             : V4L Sub-Device
> Entity Info:
> 	ID               : 0x00000005 (5)
> 	Name             : imx219 5-0010
> 	Function         : Camera Sensor
> 	Pad 0x01000006   : 0: Source
> 	  Link 0x02000009: to remote pad 0x1000002 of entity 'unicam' (Video Interface Bridge): Data, Enabled, Immutable
> 	Pad 0x01000007   : 1: Sink, 00000008
> 	Pad 0x01000008   : 2: Sink, 00000008
> 
> Required ioctls:
> 	test MC information (see 'Media Driver Info' above): OK
> 	test VIDIOC_SUDBEV_QUERYCAP: OK
> 	test invalid ioctls: OK
> 
> Allow for multiple opens:
> 	test second /dev/v4l-subdev1 open: OK
> 	test VIDIOC_SUBDEV_QUERYCAP: OK
> 	test for unlimited opens: OK
> 
> Debug ioctls:
> 	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)
> 
> Sub-Device routing ioctls:
> 	test Try VIDIOC_SUBDEV_G_ROUTING/VIDIOC_SUBDEV_S_ROUTING: OK
> 	test Active VIDIOC_SUBDEV_G_ROUTING/VIDIOC_SUBDEV_S_ROUTING: OK
> 
> Sub-Device ioctls (Source Pad 0):
> 	Try Stream 0
> 	test Try VIDIOC_SUBDEV_ENUM_MBUS_CODE/FRAME_SIZE/FRAME_INTERVAL: OK
> 	test Try VIDIOC_SUBDEV_G/S_FMT: OK
> 		warn: v4l2-test-subdevs.cpp(566): VIDIOC_SUBDEV_G_SELECTION is supported for target 0 but not VIDIOC_SUBDEV_S_SELECTION
> 	test Try VIDIOC_SUBDEV_G/S_SELECTION/CROP: OK
> 	Try Stream 1
> 		fail: v4l2-test-subdevs.cpp(162): doioctl(node, VIDIOC_SUBDEV_ENUM_FRAME_SIZE, &fse)
> 		fail: v4l2-test-subdevs.cpp(270): ret && ret != ENOTTY
> 	test Try VIDIOC_SUBDEV_ENUM_MBUS_CODE/FRAME_SIZE/FRAME_INTERVAL: FAIL
> 	test Try VIDIOC_SUBDEV_G/S_FMT: OK
> 	test Try VIDIOC_SUBDEV_G/S_SELECTION/CROP: OK (Not Supported)
> 	Active Stream 0
> 	test Active VIDIOC_SUBDEV_ENUM_MBUS_CODE/FRAME_SIZE/FRAME_INTERVAL: OK
> 	test Active VIDIOC_SUBDEV_G/S_FMT: OK
> 		warn: v4l2-test-subdevs.cpp(566): VIDIOC_SUBDEV_G_SELECTION is supported for target 0 but not VIDIOC_SUBDEV_S_SELECTION
> 	test Active VIDIOC_SUBDEV_G/S_SELECTION/CROP: OK
> 	test Active VIDIOC_SUBDEV_G/S_FRAME_INTERVAL: OK (Not Supported)
> 	Active Stream 1
> 		fail: v4l2-test-subdevs.cpp(162): doioctl(node, VIDIOC_SUBDEV_ENUM_FRAME_SIZE, &fse)
> 		fail: v4l2-test-subdevs.cpp(270): ret && ret != ENOTTY
> 	test Active VIDIOC_SUBDEV_ENUM_MBUS_CODE/FRAME_SIZE/FRAME_INTERVAL: FAIL
> 	test Active VIDIOC_SUBDEV_G/S_FMT: OK
> 	test Active VIDIOC_SUBDEV_G/S_SELECTION/CROP: OK (Not Supported)
> 	test Active VIDIOC_SUBDEV_G/S_FRAME_INTERVAL: OK (Not Supported)
> 
> Sub-Device ioctls (Sink Pad 1):
> 	Try Stream 0
> 	test Try VIDIOC_SUBDEV_ENUM_MBUS_CODE/FRAME_SIZE/FRAME_INTERVAL: OK
> 	test Try VIDIOC_SUBDEV_G/S_FMT: OK
> 		warn: v4l2-test-subdevs.cpp(566): VIDIOC_SUBDEV_G_SELECTION is supported for target 0 but not VIDIOC_SUBDEV_S_SELECTION
> 	test Try VIDIOC_SUBDEV_G/S_SELECTION/CROP: OK
> 	Active Stream 0
> 	test Active VIDIOC_SUBDEV_ENUM_MBUS_CODE/FRAME_SIZE/FRAME_INTERVAL: OK
> 	test Active VIDIOC_SUBDEV_G/S_FMT: OK
> 		warn: v4l2-test-subdevs.cpp(566): VIDIOC_SUBDEV_G_SELECTION is supported for target 0 but not VIDIOC_SUBDEV_S_SELECTION
> 	test Active VIDIOC_SUBDEV_G/S_SELECTION/CROP: OK
> 	test Active VIDIOC_SUBDEV_G/S_FRAME_INTERVAL: OK (Not Supported)
> 
> Sub-Device ioctls (Sink Pad 2):
> 	Try Stream 0
> 	test Try VIDIOC_SUBDEV_ENUM_MBUS_CODE/FRAME_SIZE/FRAME_INTERVAL: OK
> 	test Try VIDIOC_SUBDEV_G/S_FMT: OK
> 	test Try VIDIOC_SUBDEV_G/S_SELECTION/CROP: OK (Not Supported)
> 	Active Stream 0
> 	test Active VIDIOC_SUBDEV_ENUM_MBUS_CODE/FRAME_SIZE/FRAME_INTERVAL: OK
> 	test Active VIDIOC_SUBDEV_G/S_FMT: OK
> 	test Active VIDIOC_SUBDEV_G/S_SELECTION/CROP: OK (Not Supported)
> 	test Active VIDIOC_SUBDEV_G/S_FRAME_INTERVAL: OK (Not Supported)
> 
> Control ioctls:
> 	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: 20 Private Controls: 0
> 
> Format ioctls:
> 	test VIDIOC_ENUM_FMT/FRAMESIZES/FRAMEINTERVALS: OK (Not Supported)
> 	test VIDIOC_G/S_PARM: OK (Not Supported)
> 	test VIDIOC_G_FBUF: OK (Not Supported)
> 	test VIDIOC_G_FMT: OK (Not Supported)
> 	test VIDIOC_TRY_FMT: OK (Not Supported)
> 	test VIDIOC_S_FMT: OK (Not Supported)
> 	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 (Not Supported)
> 	test CREATE_BUFS maximum buffers: OK
> 	test VIDIOC_REMOVE_BUFS: OK
> 	test VIDIOC_EXPBUF: OK (Not Supported)
> 	test Requests: OK (Not Supported)
> 
> Total for unicam device /dev/v4l-subdev1: 76, Succeeded: 74, Failed: 2, Warnings: 4
> 
> Grand Total for unicam device /dev/media0: 242, Succeeded: 240, Failed: 2, Warnings: 4
> 
> 
> [1] https://github.com/raspberrypi/linux/tree/rpi-6.1.y/drivers/media/platform/bcm2835
> [2] https://lore.kernel.org/linux-media/20240313072516.241106-1-sakari.ailus@xxxxxxxxxxxxxxx/
> [3] https://git.kernel.org/pub/scm/linux/kernel/git/pinchartl/linux.git/log/?h=rpi/v6.9/metadata/v8
> [4] https://git.kernel.org/pub/scm/linux/kernel/git/pinchartl/linux.git/log/?h=rpi/v6.9/isp/v2
> [5] https://git.kernel.org/pub/scm/linux/kernel/git/pinchartl/linux.git/log/?h=rpi/v6.9/unicam/next
> [6] https://lists.libcamera.org/pipermail/libcamera-devel/2024-March/040711.html
> [7] https://lore.kernel.org/linux-media/20240402000033.4007-1-laurent.pinchart@xxxxxxxxxxxxxxxx/
> [8] https://git.linuxtv.org/pinchartl/v4l-utils.git/log/?h=metadata
> 
> Dave Stevenson (2):
>   dt-bindings: media: Add bindings for bcm2835-unicam
>   media: bcm2835-unicam: Add support for CCP2/CSI2 camera interface
> 
> Jean-Michel Hautbois (3):
>   media: v4l: Add V4L2-PIX-FMT-Y12P format
>   media: v4l: Add V4L2-PIX-FMT-Y14P format
>   ARM: dts: bcm2835: Add Unicam CSI nodes
> 
> Laurent Pinchart (3):
>   ARM: dts: bcm2835-rpi: Move duplicate firmware-clocks to
>     bcm2835-rpi.dtsi
>   ARM: dts: bcm2711-rpi-4-b: Add CAM1 regulator
>   [DNI] arm64: dts: broadcom: Add overlay for Raspberry Pi 4B IMX219
>     camera
> 
> Uwe Kleine-König (2):
>   ARM: dts: bcm2711-rpi: Add pinctrl-based multiplexing for I2C0
>   ARM: dts: bcm2711-rpi-cm4-io: Add RTC on I2C0
> 
>  .../bindings/media/brcm,bcm2835-unicam.yaml   |  127 +
>  .../media/v4l/pixfmt-yuv-luma.rst             |   48 +
>  MAINTAINERS                                   |    7 +
>  .../arm/boot/dts/broadcom/bcm2711-rpi-4-b.dts |    7 +
>  .../boot/dts/broadcom/bcm2711-rpi-cm4-io.dts  |    9 +
>  arch/arm/boot/dts/broadcom/bcm2711-rpi.dtsi   |   34 +-
>  arch/arm/boot/dts/broadcom/bcm2711.dtsi       |    8 +
>  .../boot/dts/broadcom/bcm2835-rpi-common.dtsi |    7 -
>  arch/arm/boot/dts/broadcom/bcm2835-rpi.dtsi   |   19 +
>  arch/arm/boot/dts/broadcom/bcm283x.dtsi       |   24 +
>  arch/arm64/boot/dts/broadcom/Makefile         |    4 +
>  .../dts/broadcom/bcm2711-rpi-4-b-imx219.dtso  |   65 +
>  drivers/media/platform/Kconfig                |    1 +
>  drivers/media/platform/Makefile               |    1 +
>  drivers/media/platform/broadcom/Kconfig       |   23 +
>  drivers/media/platform/broadcom/Makefile      |    3 +
>  .../platform/broadcom/bcm2835-unicam-regs.h   |  246 ++
>  .../media/platform/broadcom/bcm2835-unicam.c  | 2745 +++++++++++++++++
>  drivers/media/v4l2-core/v4l2-ioctl.c          |    2 +
>  include/uapi/linux/videodev2.h                |    2 +
>  20 files changed, 3370 insertions(+), 12 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/media/brcm,bcm2835-unicam.yaml
>  create mode 100644 arch/arm64/boot/dts/broadcom/bcm2711-rpi-4-b-imx219.dtso
>  create mode 100644 drivers/media/platform/broadcom/Kconfig
>  create mode 100644 drivers/media/platform/broadcom/Makefile
>  create mode 100644 drivers/media/platform/broadcom/bcm2835-unicam-regs.h
>  create mode 100644 drivers/media/platform/broadcom/bcm2835-unicam.c
> 
> 
> base-commit: 58abf3672a73558149fa567eafff8d5b1cc0446b

-- 
Regards,

Laurent Pinchart




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