[PATCH v5 00/14] Add ISP 3A for StarFive

From: Changhuang Liang
Date: Tue Jul 09 2024 - 07:12:33 EST

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This series implements the ISP 3A function to the Camera Subsystem on StarFive
JH7110 SoC. The series has been tested on the VisionFive 2 board.

This series is based on top of the master branch of media_stage repository,
which is tested with a v4l2-compliance compiled from the git repo
(git://linuxtv.org/v4l-utils.git).

changes since v4:
- Rebase on top of the master branch of media_stage repository.
- Insert a new PATCH 13
- PATCH 1:
1. Fix spelling error:
- corsstakl -> crosstalk
- balck -> black
- magbitude -> magnitude
- FALG -> FLAG
2. Exchange of the values of JH7110_ISP_SC_FLAG_AE_AF and JH7110_ISP_SC_FLAG_AWB

- PATCH 8:
1. Synchronous spelling error: FALG -> FLAG
2. Add:

if (*num_planes)
return sizes[0] < sizeof(struct jh7110_isp_sc_buffer) ? -EINVAL : 0;

- PATCH 11:
1. Drop read hook.
2. Add:

if (*num_planes)
return sizes[0] < sizeof(struct jh7110_isp_params_buffer) ? -EINVAL : 0;

- PATCH 12:
1. Add:

ready_buf->vb.vb2_buf.timestamp = ktime_get_ns();
ready_buf->vb.sequence = output->buffers.sequence++;

to fix "v4l2-compliance -s" Failed.

v4: https://lore.kernel.org/all/20240402100011.13480-1-changhuang.liang@xxxxxxxxxxxxxxxx/

changes since v3:
- Rebased on top of the master branch of media_stage repository and patch [1][2].
- Replaced "stf_get_isp_scd_type" with "stf_isp_get_scd_type" in PATCH 8.

v3: https://lore.kernel.org/all/20240205090424.40302-1-changhuang.liang@xxxxxxxxxxxxxxxx/

changes since v2:
- Rebased on top of the master branch of media_stage repository.
- Added helper function "media_entity_remove_links" in PATCH 8 and PATCH 11 to cleanup links.

v2: https://lore.kernel.org/all/20240111084120.16685-1-changhuang.liang@xxxxxxxxxxxxxxxx/

changes since v1:
- Rebased on top of the master branch of media_stage repository.
- Documentated ISP submodule.
- Added new ISP parameters format and document it.
- Added a meta output video device and link to ISP subdev.
- Replaced control with meta output video buffer for write ISP parameters.
- Separated buffer operation which can use for capture and output device.
- Droped ISP frame sync event.

v1: https://lore.kernel.org/all/20231214065027.28564-1-changhuang.liang@xxxxxxxxxxxxxxxx/

The following are the media graph for the device and the v4l2-compliance
output.

==========================================================================================

[the media graph]:

digraph board {
rankdir=TB
n00000001 [label="{{<port0> 0 | <port1> 1} | stf_isp\n/dev/v4l-subdev0 | {<port2> 2 | <port3> 3}}", shape=Mrecord, style=filled, fillcolor=green]
n00000001:port2 -> n0000000e
n00000001:port3 -> n00000012 [style=dashed]
n00000006 [label="output_params\n/dev/video0", shape=box, style=filled, fillcolor=yellow]
n00000006 -> n00000001:port1 [style=dashed]
n0000000a [label="capture_raw\n/dev/video1", shape=box, style=filled, fillcolor=yellow]
n0000000e [label="capture_yuv\n/dev/video2", shape=box, style=filled, fillcolor=yellow]
n00000012 [label="capture_scd\n/dev/video3", shape=box, style=filled, fillcolor=yellow]
n0000001c [label="{{<port0> 0} | cdns_csi2rx.19800000.csi-bridge\n/dev/v4l-subdev1 | {<port1> 1 | <port2> 2 | <port3> 3 | <port4> 4}}", shape=Mrecord, style=filled, fillcolor=green]
n0000001c:port1 -> n00000001:port0 [style=dashed]
n0000001c:port1 -> n0000000a [style=dashed]
n00000026 [label="{{} | imx219 6-0010\n/dev/v4l-subdev2 | {<port0> 0}}", shape=Mrecord, style=filled, fillcolor=green]
n00000026:port0 -> n0000001c:port0 [style=bold]
}

[v4l2-compliance test]:

# ./v4l2-compliance -s -d /dev/video0
v4l2-compliance 1.27.0-5220, 64 bits, 64-bit time_t
v4l2-compliance SHA: 8387e3673837 2024-07-01 11:09:32

Compliance test for starfive-camss device /dev/video0:

Driver Info:
Driver name : starfive-camss
Card type : Starfive Camera Subsystem
Bus info : platform:19840000.isp
Driver version : 6.10.0
Capabilities : 0xac200000
Metadata Output
I/O MC
Streaming
Extended Pix Format
Device Capabilities
Device Caps : 0x2c200000
Metadata Output
I/O MC
Streaming
Extended Pix Format
Media Driver Info:
Driver name : starfive-camss
Model : Starfive Camera Subsystem
Serial :
Bus info : platform:19840000.isp
Media version : 6.10.0
Hardware revision: 0x00000000 (0)
Driver version : 6.10.0
Interface Info:
ID : 0x03000008
Type : V4L Video
Entity Info:
ID : 0x00000006 (6)
Name : output_params
Function : V4L2 I/O
Pad 0x01000007 : 0: Source
Link 0x0200001a: to remote pad 0x1000003 of entity 'stf_isp' (Image Signal Processor): Data

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 (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
test VIDIOC_G/S_AUDOUT: OK (Not Supported)
Outputs: 1 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 (Output 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 (Output 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 (Output 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 (Output 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)

Test output 0:

Streaming ioctls:
test read/write: OK (Not Supported)
test blocking wait: OK
test MMAP (no poll): OK
test MMAP (select): OK
test MMAP (epoll): OK
test USERPTR (no poll): OK (Not Supported)
test USERPTR (select): OK (Not Supported)
test DMABUF: Cannot test, specify --expbuf-device

Total for starfive-camss device /dev/video0: 55, Succeeded: 55, Failed: 0, Warnings: 0

# ./v4l2-compliance -s -d /dev/video3
v4l2-compliance 1.27.0-5220, 64 bits, 64-bit time_t
v4l2-compliance SHA: 8387e3673837 2024-07-01 11:09:32

Compliance test for starfive-camss device /dev/video3:

Driver Info:
Driver name : starfive-camss
Card type : Starfive Camera Subsystem
Bus info : platform:19840000.isp
Driver version : 6.10.0
Capabilities : 0xa4a00000
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 : starfive-camss
Model : Starfive Camera Subsystem
Serial :
Bus info : platform:19840000.isp
Media version : 6.10.0
Hardware revision: 0x00000000 (0)
Driver version : 6.10.0
Interface Info:
ID : 0x03000014
Type : V4L Video
Entity Info:
ID : 0x00000012 (18)
Name : capture_scd
Function : V4L2 I/O
Pad 0x01000013 : 0: Sink
Link 0x02000018: from remote pad 0x1000005 of entity 'stf_isp' (Image Signal Processor): Data

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/video3 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 (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
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)

Test input 0:

Streaming ioctls:
test read/write: OK (Not Supported)
test blocking wait: OK
test MMAP (no poll): OK
test MMAP (select): OK
test MMAP (epoll): OK
test USERPTR (no poll): OK (Not Supported)
test USERPTR (select): OK (Not Supported)
test DMABUF: Cannot test, specify --expbuf-device

Total for starfive-camss device /dev/video3: 55, Succeeded: 55, Failed: 0, Warnings: 0

Changhuang Liang (14):
media: starfive: Add JH7110 ISP module definitions
media: Documentation: Add description for StarFive ISP metadata
formats
media: videodev2.h, v4l2-ioctl: Add StarFive ISP meta buffer format
staging: media: starfive: Add a params sink pad and a scd source pad
for ISP
staging: media: starfive: Separate buffer from ISP hardware operation
staging: media: starfive: Separate buffer be a common file
staging: media: starfive: Separate ISP hardware from capture device
staging: media: starfive: Add for StarFive ISP 3A SC
staging: media: starfive: Update ISP initialise config for 3A
staging: media: starfive: Add V4L2_CAP_IO_MC capability
staging: media: starfive: Add ISP params video device
staging: media: starfive: Add ISP parameters hardware configure
staging: media: starfive: Drop read support for video capture devices
admin-guide: media: Update documents for StarFive Camera Subsystem

.../admin-guide/media/starfive_camss.rst | 11 +-
.../media/starfive_camss_graph.dot | 22 +-
.../media/v4l/metafmt-starfive-isp.rst | 75 ++
MAINTAINERS | 2 +
drivers/media/v4l2-core/v4l2-ioctl.c | 2 +
drivers/staging/media/starfive/camss/Makefile | 3 +
.../staging/media/starfive/camss/stf-buffer.c | 166 ++++
.../staging/media/starfive/camss/stf-buffer.h | 53 ++
.../staging/media/starfive/camss/stf-camss.c | 38 +-
.../staging/media/starfive/camss/stf-camss.h | 12 +
.../media/starfive/camss/stf-capture.c | 248 +-----
.../media/starfive/camss/stf-capture.h | 22 -
.../media/starfive/camss/stf-isp-hw-ops.c | 722 +++++++++++++++++
.../media/starfive/camss/stf-isp-params.c | 240 ++++++
.../staging/media/starfive/camss/stf-isp.c | 77 +-
.../staging/media/starfive/camss/stf-isp.h | 188 +++++
.../staging/media/starfive/camss/stf-output.c | 83 ++
.../staging/media/starfive/camss/stf-output.h | 22 +
.../staging/media/starfive/camss/stf-video.c | 147 +++-
.../staging/media/starfive/camss/stf-video.h | 11 +-
include/uapi/linux/jh7110-isp.h | 739 ++++++++++++++++++
include/uapi/linux/videodev2.h | 4 +
22 files changed, 2608 insertions(+), 279 deletions(-)
create mode 100644 Documentation/userspace-api/media/v4l/metafmt-starfive-isp.rst
create mode 100644 drivers/staging/media/starfive/camss/stf-buffer.c
create mode 100644 drivers/staging/media/starfive/camss/stf-buffer.h
create mode 100644 drivers/staging/media/starfive/camss/stf-isp-params.c
create mode 100644 drivers/staging/media/starfive/camss/stf-output.c
create mode 100644 drivers/staging/media/starfive/camss/stf-output.h
create mode 100644 include/uapi/linux/jh7110-isp.h

--
2.25.1

Next message: Vlastimil Babka: "Re: [PATCH v2 6/7] tools: separate out shared radix-tree components"
Previous message: Greg Kroah-Hartman: "[PATCH 6.6 000/139] 6.6.39-rc1 review"
Next in thread: Changhuang Liang: "[PATCH v5 07/14] staging: media: starfive: Separate ISP hardware from capture device"
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