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The :doc:`foo` tag is auto-generated via automarkup.py.
So, use the filename at the sources, instead of :doc:`foo`.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The :doc:`foo` tag is auto-generated via automarkup.py.
So, use the filename at the sources, instead of :doc:`foo`.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The Elgato Cam Link 4K HDMI video capture card reports to support three
different pixel formats, where the first format depends on the connected
HDMI device.
```
$ v4l2-ctl -d /dev/video0 --list-formats-ext
ioctl: VIDIOC_ENUM_FMT
Type: Video Capture
[0]: 'NV12' (Y/CbCr 4:2:0)
Size: Discrete 3840x2160
Interval: Discrete 0.033s (29.970 fps)
[1]: 'NV12' (Y/CbCr 4:2:0)
Size: Discrete 3840x2160
Interval: Discrete 0.033s (29.970 fps)
[2]: 'YU12' (Planar YUV 4:2:0)
Size: Discrete 3840x2160
Interval: Discrete 0.033s (29.970 fps)
```
Changing the pixel format to anything besides the first pixel format
does not work:
```
$ v4l2-ctl -d /dev/video0 --try-fmt-video pixelformat=YU12
Format Video Capture:
Width/Height : 3840/2160
Pixel Format : 'NV12' (Y/CbCr 4:2:0)
Field : None
Bytes per Line : 3840
Size Image : 12441600
Colorspace : sRGB
Transfer Function : Rec. 709
YCbCr/HSV Encoding: Rec. 709
Quantization : Default (maps to Limited Range)
Flags :
```
User space applications like VLC might show an error message on the
terminal in that case:
```
libv4l2: error set_fmt gave us a different result than try_fmt!
```
Depending on the error handling of the user space applications, they
might display a distorted video, because they use the wrong pixel format
for decoding the stream.
The Elgato Cam Link 4K responds to the USB video probe
VS_PROBE_CONTROL/VS_COMMIT_CONTROL with a malformed data structure: The
second byte contains bFormatIndex (instead of being the second byte of
bmHint). The first byte is always zero. The third byte is always 1.
The firmware bug was reported to Elgato on 2020-12-01 and it was
forwarded by the support team to the developers as feature request.
There is no firmware update available since then. The latest firmware
for Elgato Cam Link 4K as of 2021-03-23 has MCU 20.02.19 and FPGA 67.
Therefore correct the malformed data structure for this device. The
change was successfully tested with VLC, OBS, and Chromium using
different pixel formats (YUYV, NV12, YU12), resolutions (3840x2160,
1920x1080), and frame rates (29.970 and 59.940 fps).
Cc: stable@vger.kernel.org
Signed-off-by: Benjamin Drung <bdrung@posteo.de>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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While the logic there is right, it tricks static check analyzers,
like smatch:
drivers/media/dvb-core/dmxdev.c:729 dvb_dmxdev_filter_start() error: we previously assumed '*secfeed' could be null (see line 719)
Because the implementation of the filter itself is made via
a callback, with its real implementation at the
dvbdmx_allocate_section_feed() inside dvb_demux.c.
So, change the check logic to make it clear that the function
will not try to use *secfeed == NULL.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Add variant to IMX8M to enable G2/HEVC codec.
Define the capabilities for the hardware up to 3840x2160.
G2 doesn't have a postprocessor, uses the same clocks and has it
own interrupt.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Implement all the logic to get G2 hardware decoding HEVC frames.
It supports up level 5.1 HEVC stream.
It doesn't support yet 10 bits formats or the scaling feature.
Add HANTRO HEVC dedicated control to skip some bits at the beginning
of the slice header. That is very specific to this hardware so can't
go into uapi structures. Computing the needed value is complex and requires
information from the stream that only the userland knows so let it
provide the correct value to the driver.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Co-developed-by: Adrian Ratiu <adrian.ratiu@collabora.com>
Signed-off-by: Adrian Ratiu <adrian.ratiu@collabora.com>
Co-developed-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Make sure that V4L2_PIX_FMT_HEVC_SLICE is correctly handled by the driver.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Reviewed-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The HEVC HANTRO driver needs to know the number of bits to skip at
the beginning of the slice header.
That is a hardware specific requirement so create a dedicated control
for this purpose.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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If the variant doesn't support postprocessed formats make sure it will
be ok.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Reviewed-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Define which HEVC profiles (up to level 5.1) and features
(no scaling, no 10 bits) are supported by the driver.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Reviewed-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Change hantro_codec_ops run prototype from 'void' to 'int'.
This allows the driver to cancel the job if an error occurs while configuring
the hardware.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Reviewed-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Add decode params control and the associated structure to group
all the information that are needed to decode a reference frame as
is described in ITU-T Rec. H.265 section "8.3.2 Decoding process
for reference picture set".
Adapt Cedrus driver to these changes.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Reviewed-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Add fields and flags as they are defined in
7.4.3.3.1 "General picture parameter set RBSP semantics of the
H.265 ITU specification.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Reviewed-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Use DEVICE_ATTR_RW() helper macro instead of DEVICE_ATTR(), which is
simpler and more readable.
Due to the names of the read and write functions of the sysfs attribute is
normalized, there is a natural association.
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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This is an NEC remote control device shipped with some Toshiba TVs.
Signed-off-by: Alexander Voronov <avv.0@ya.ru>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Hadle errors of clk_prepare_enable() in st_rc_hardware_init() and its
callers.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Evgeny Novikov <novikov@ispras.ru>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The dvb_usb_device_properties can be const. This makes it clear that
the static can be shared across threads.
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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When the driver fails to talk with the hardware with dvb_usb_generic_rw,
it will return an error to dvb_usb_adapter_frontend_init. However, the
driver forgets to free the resource (e.g., struct cinergyt2_fe_state),
which leads to a memory leak.
Fix this by freeing struct cinergyt2_fe_state when dvb_usb_generic_rw
fails in cinergyt2_frontend_attach.
backtrace:
[<0000000056e17b1a>] kmalloc include/linux/slab.h:552 [inline]
[<0000000056e17b1a>] kzalloc include/linux/slab.h:682 [inline]
[<0000000056e17b1a>] cinergyt2_fe_attach+0x21/0x80 drivers/media/usb/dvb-usb/cinergyT2-fe.c:271
[<00000000ae0b1711>] cinergyt2_frontend_attach+0x21/0x70 drivers/media/usb/dvb-usb/cinergyT2-core.c:74
[<00000000d0254861>] dvb_usb_adapter_frontend_init+0x11b/0x1b0 drivers/media/usb/dvb-usb/dvb-usb-dvb.c:290
[<0000000002e08ac6>] dvb_usb_adapter_init drivers/media/usb/dvb-usb/dvb-usb-init.c:84 [inline]
[<0000000002e08ac6>] dvb_usb_init drivers/media/usb/dvb-usb/dvb-usb-init.c:173 [inline]
[<0000000002e08ac6>] dvb_usb_device_init.cold+0x4d0/0x6ae drivers/media/usb/dvb-usb/dvb-usb-init.c:287
Reported-by: syzbot+e1de8986786b3722050e@syzkaller.appspotmail.com
Signed-off-by: Dongliang Mu <mudongliangabcd@gmail.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Fix some erroneous function names in some error messages.
Remove some spurious or useless trailing and leading character in some
messages.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Don't populate the const array fw_hdr on the stack but instead it
static. Makes the object code smaller by 5 bytes:
Before:
text data bss dec hex filename
31948 12072 64 44084 ac34 drivers/media/dvb-frontends/mxl692.o
After:
text data bss dec hex filename
31879 12136 64 44079 ac2f drivers/media/dvb-frontends/mxl692.o
(gcc version 10.3.0)
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Add XISC driver and binding files to the ISC driver entry.
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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ISC driver was converted to yaml. Update maintainers file.
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Add driver for the extended variant of the isc, the microchip XISC
present on sama7g5 product.
[hverkuil: drop MODULE_SUPPORTED_DEVICE, no longer exists]
[hverkuil: made isc_sama7g5_config_csc et al static]
[hverkuil: made sama7g5_controller_formats et al static]
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Add bindings for the Microchip eXtended Image Sensor Controller.
Based on the atmel,isc.yaml binding.
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Convert the Atmel ISC to yaml binding format.
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Remove a duplicate definition of clock max divider
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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pipeline modules
Add support for additional formats supported by newer pipelines, and for
additional pipeline modules.
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Add additional fields for registers present in sama7g5 type pipeline.
Extend register masks for additional bits in sama7g5 type pipeline registers.
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Once the pipeline is set in the base code, create a callback that will adapt
the ISC pipeline to each product.
Create the adapt_pipeline callback that will be used in this fashion.
[hverkuil: made isc_sama5d2_adapt_pipeline static]
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The list of input and output formats has to be product specific.
Move this list into the product specific code.
Have pointers to these arrays inside the device struct.
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The RLP submodule is a part of the atmel-isc pipeline, and stands for
Rounding,Limiting and Packaging. It used to extract specific data from the
ISC pipeline. For example if we want to output greyscale 8 bit, we would
use limiting to 8 bits, and packaging to Luma component only.
Create a product specific callback for initializing the RLP submodule
of the pipeline
[hverkuil: made isc_sama5d2_config_rlp static]
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The GAM submodule is a part of the atmel-isc pipeline, and stands for
Gamma Correction. It is used to apply the gamma curve to the incoming pixels.
Create a product specific callback for initializing the GAM submodule
of the pipeline.
For sama5d2 product, there is no special configuration at this moment,
thus this function is a noop.
[hverkuil: made isc_sama5d2_config_gam static]
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The DPC submodule is a part of the atmel-isc pipeline, and stands for
Defective Pixel Correction. Its purpose is to detect defective pixels and
correct them if possible with the help of adjacent pixels.
Create a product specific callback for initializing the DPC submodule
of the pipeline.
For sama5d2 product, this module does not exist, thus this function is a noop.
[hverkuil: made isc_sama5d2_config_dpc static]
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Create product specific callback for initializing v4l2 controls.
Call this from v4l2 controls init function.
[hverkuil: made isc_sama5d2_config_ctrls static]
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The CC submodule is a part of the atmel-isc pipeline, and stands for
Color Correction. It is used to apply gains and offsets to the
chroma (U, V) components of the YUV elements.
Implement the CC submodule initialization, as a product
specific function, which currently configures the neutral point in color
correction.
[hverkuil: made isc_sama5d2_config_cc static]
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Newer ISC pipelines have the additional modules of
Defective Pixel Correction -> DPC itself,
Defective Pixel Correction -> Green Disparity Correction (DPC_GDC)
Defective Pixel Correction -> Black Level Correction (DPC_BLC)
Vertical and Horizontal Scaler -> VHXS
Some products have this full pipeline (sama7g5), other products do not (sama5d2)
Add the modules to the isc base, and also extend the register range to include
the modules.
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Add register description for additional pipeline modules: the
Defective Pixel Correction (DPC) and the Vertical and Horizontal Scaler(VHXS)
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Add his_entry to the reg offsets struct.
This will allow different products to have a different reg offset for this
particular module.
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Add support for version register and print it at probe time.
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The DMA submodule is a part of the atmel-isc pipeline, and stands for
Direct Memory Access. It acts like a master on the AXI bus of the SoC, and
can directly write the RAM area with the pixel data from the ISC internal
sram.
Add dma to the reg offsets struct.
This will allow different products to have a different reg offset for this
particular module.
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The HIS submodule is a part of the atmel-isc pipeline, and stands for
Histogram. This module performs a color histogram that can be read and used
by the main processor.
Add his to the reg offsets struct.
This will allow different products to have a different reg offset for this
particular module.
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The RLP submodule is a part of the atmel-isc pipeline, and stands for
Rounding,Limiting and Packaging. It used to extract specific data from the
ISC pipeline. For example if we want to output greyscale 8 bit, we would
use limiting to 8 bits, and packaging to Luma component only.
Add rlp to the reg offsets struct.
This will allow different products to have a different reg offset for this
particular module.
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The SUB submodules are a part of the atmel-isc pipeline, and stand for
Subsampling. They are used to subsample the original YUV 4:4:4 pixel ratio
aspect to either 4:2:2 or 4:2:0.
Add sub420 and sub422 to the reg offsets struct.
This will allow different products to have a different reg offset for these
particular modules.
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The CBC submodule is a part of the atmel-isc pipeline, and stands for
Contrast Brightness Control. It is used to apply gains and offsets to the
luma (Y) and chroma (U, V) components of the YUV elements.
Add cbc to the reg offsets struct. This will allow different products
to have a different reg offset for this particular module.
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The CBC submodule is a part of the atmel-isc pipeline, and stands for
Contrast Brightness Control. It is used to apply gains and offsets to the
luma (Y) and chroma (U, V) components of the YUV elements.
The CBC submodule should be initialized in the product specific driver
as it's product specific. Other products can implement it differently
[hverkuil: made isc_sama5d2_config_cbc static]
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Create a struct that holds register offsets that are product specific.
Add initially the CSC register.
This allows each product that contains a variant of the ISC to add their
own register offset.
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Add the clock id to the debug message regarding clock setup
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The CSC submodule is a part of the atmel-isc pipeline, and stands for
Color Space Conversion. It is used to apply a matrix transformation to
RGB pixels to convert them to the YUV components.
The CSC submodule should be initialized in the product specific driver
as it's product specific. Other products can implement it differently.
[hverkuil: made isc_sama5d2_config_csc static]
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The dma configuration (DCFG) is specific to the product.
Move this configuration in the product specific driver, and add the
field inside the driver struct.
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Move the max width and max height constants to the product specific driver
and have them in the device struct.
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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