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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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
When calling the subdev, certain subdev drivers will overwrite the
frame size and adding sizes which are beyond the ISC's capabilities.
Thus we need to ensure the frame size is cropped to the maximum caps.
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>
The driver name constant must defined based on product driver, thus moving
the constant directly where it's required. This will allow each ISC based
product to define it's own name.
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>
Separate the gamma table from the isc base file into the specific sama5d2
product file.
Add a pointer to the gamma table and entries count inside the platform
driver specific struct.
[hverkuil: made isc_sama5d2_gamma_table 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>
Use the new vb2_queue_change_type() function in .vidioc_reqbufs and
.vidioc_create_bufs instead of changing the queue type manually in
vidioc_s_fmt_vbi_cap() and vidioc_s_fmt_sliced_vbi_cap().
This allows for a more consistent behavior, as .vidioc_reqbufs and
.vidioc_create_bufs are when the queue will become "busy".
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Vivid tracks the VBI capture mode in vivid_dev->stream_sliced_vbi_cap
field. We can just look at the buffer type instead, and drop the field.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
On some platforms a video device can capture either video data or
metadata. The driver can implement vidioc functions for both video and
metadata, and use a single vb2_queue for the buffers. However, vb2_queue
requires choosing a single buffer type, which conflicts with the idea of
capturing either video or metadata.
The buffer type of vb2_queue can be changed, but it's not obvious how
this should be done in the drivers. To help this, add a new helper
function vb2_queue_change_type() which ensures the correct checks and
documents how it can be used.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
There are several comments on this driver using those chars:
- U+2013 ('–'): EN DASH
- U+2018 ('‘'): LEFT SINGLE QUOTATION MARK
- U+2019 ('’'): RIGHT SINGLE QUOTATION MARK
They probably came from cut-and-pasting some texts found
elsewhere.
While there's nothing wrong on having those on comments in
C, it is better to use ASCII chars for those specific cases,
as the current variant doesn't really add any value.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Instead of using U+2013 ('–'): EN DASH, let's just use an
hyphen there, as this was probably introduced by some cut-and-paste
from some other place.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
There are two spaces on a comment there, being one of them
an U+00a0 (' '): NO-BREAK SPACE.
Drop it.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
While there's nothing wrong with EN DASH on C code, this probably
came from some cut-and paste from an ITU-T table.
It sounds better to just an HYPHEN here.
Reviewed-by: Michael Tretter <m.tretter@pengutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Instead of using:
- U+00a0 (' '): NO-BREAK SPACE
Use a normal white space.
This was probably introduced by some cut-and-paste.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Replace the occurences of the following character:
- U+2019 ('’'): RIGHT SINGLE QUOTATION MARK
By a normal single comma character.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The ivtv driver has gained support a long time ago for audio
and video settings via V4L2 API.
Let's drop support of the duplicated controls implemented
abusing the DVB API.
Acked-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
void function videobuf_vm_close return statements are not generally useful,
so deleted the return in function videobuf_vm_close().
Signed-off-by: lijian <lijian@yulong.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Macros starting with if should be enclosed by a do - while loop
to avoid possible if/else logic defects.
So modified the macro SET_VALID_IOCTL with do - while loop.
[hverkuil: checkpatch: add parenthesis around 'ops']
Signed-off-by: lijian <lijian@yulong.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The direction of the pipe argument must match the request-type direction
bit or control requests may fail depending on the host-controller-driver
implementation.
Control transfers without a data stage are treated as OUT requests by
the USB stack and should be using usb_sndctrlpipe(). Failing to do so
will now trigger a warning.
Fix the zero-length i2c-read request used for type detection by
attempting to read a single byte instead.
Reported-by: syzbot+faf11bbadc5a372564da@syzkaller.appspotmail.com
Fixes: d0f232e823 ("[media] rtl28xxu: add heuristic to detect chip type")
Cc: stable@vger.kernel.org # 4.0
Cc: Antti Palosaari <crope@iki.fi>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The direction of the pipe argument must match the request-type direction
bit or control requests may fail depending on the host-controller-driver
implementation.
Control transfers without a data stage are treated as OUT requests by
the USB stack and should be using usb_sndctrlpipe(). Failing to do so
will now trigger a warning.
Fix the single zero-length control request which was using the
read-register helper, and update the helper so that zero-length reads
fail with an error message instead.
Fixes: 6a7eba24e4 ("V4L/DVB (8157): gspca: all subdrivers")
Cc: stable@vger.kernel.org # 2.6.27
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The direction of the pipe argument must match the request-type direction
bit or control requests may fail depending on the host-controller-driver
implementation.
Control transfers without a data stage are treated as OUT requests by
the USB stack and should be using usb_sndctrlpipe(). Failing to do so
will now trigger a warning.
Fix the gl860_RTx() helper so that zero-length control reads fail with
an error message instead. Note that there are no current callers that
would trigger this.
Fixes: 4f7cb8837c ("V4L/DVB (12954): gspca - gl860: Addition of GL860 based webcams")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The direction of the pipe argument must match the request-type direction
bit or control requests may fail depending on the host-controller-driver
implementation.
Fix the USB_REQ_SYNCH_FRAME request which erroneously used
usb_sndctrlpipe().
Fixes: 27d35fc3fb ("V4L/DVB (10639): gspca - sq905: New subdriver.")
Cc: stable@vger.kernel.org # 2.6.30
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The direction of the pipe argument must match the request-type direction
bit or control requests may fail depending on the host-controller-driver
implementation.
Fix the control requests which erroneously used usb_rcvctrlpipe().
Fixes: 8466028be7 ("V4L/DVB (8734): Initial support for AME DTV-5100 USB2.0 DVB-T")
Cc: stable@vger.kernel.org # 2.6.28
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
