On Thu, Feb 13, 2014 at 6:40 PM, Hans Verkuil wrote:
> From: Hans Verkuil
>
> In commit 02f142ecd24aaf891324ffba8527284c1731b561 support was added to
> start_streaming to return -ENOBUFS if insufficient buffers were queued
> for the DMA engine to start. The vb2 core would attempt calling
> start_
On Thu, Feb 13, 2014 at 6:40 PM, Hans Verkuil wrote:
> From: Hans Verkuil
>
> Commit 88e268702bfba78448abd20a31129458707383aa ("vb2: Improve file I/O
> emulation to handle buffers in any order") broke read/write support if
> the size of the buffer being read/written is less than the size of the
>
On Thu, Feb 13, 2014 at 6:40 PM, Hans Verkuil wrote:
> From: Hans Verkuil
>
> 'queued_count' is a bit vague since it is not clear to which queue it
> refers to: the vb2 internal list of buffers or the driver-owned list
> of buffers.
>
> Rename to make it explicit.
>
> Signed-off-by: Hans Verkuil
On Thu, Feb 13, 2014 at 6:40 PM, Hans Verkuil wrote:
> From: Hans Verkuil
>
> Ensure that these ops are properly balanced.
>
> There two scenarios:
s/There two/There are two/
>
> 1) for MMAP buf_init is called when the buffers are created and buf_cleanup
>must be called when the queue is fi
This message is generated daily by a cron job that builds media_tree for
the kernels and architectures in the list below.
Results of the daily build of media_tree:
date: Fri Feb 14 04:00:23 CET 2014
git branch: test
git hash: 37e59f876bc710d67a30b660826a5e83e07101ce
gcc versio
On Thu, Feb 13, 2014 at 6:40 PM, Hans Verkuil wrote:
> From: Hans Verkuil
>
> This ensures that it is also called from queue_cancel, which also calls
> __dqbuf(). Without this change any time queue_cancel is called while
> streaming the buf_finish op will not be called and any driver cleanup
> wi
Thanks Hans.
Acked-by: Pawel Osciak
On Thu, Feb 13, 2014 at 6:40 PM, Hans Verkuil wrote:
> From: Hans Verkuil
>
> Drivers need to be aware that buf_finish can be called when there is no
> streaming going on, so make a note of that.
>
> Also add a bunch of missing periods at the end of sentence
Thanks!
vb2 parts:
Acked-by: Pawel Osciak
others:
Reviewed-by: Pawel Osciak
On Thu, Feb 13, 2014 at 6:40 PM, Hans Verkuil wrote:
> From: Hans Verkuil
>
> The buf_finish op should always work, so change the return type to void.
> Update the few drivers that use it. Note that buf_finish can be
>> > Are you using a USB or PCIe controller to talk to the fpga, or does
>> > the fpga contain embedded IP cores for USB or PCIe?
>
> There should be no USB/PCIe involved.
How are you planning to connect the FPGA memory space to your host cpu
kernel memory space?
Soft CPU directly inside the fpga
Hi!
> > > I'm working on project that will need doing video capture from
> > > FPGA. That means I can define interface between kernel and hardware.
> > >
> > > Is there suitable, simple hardware we should emulate in the FPGA? I
> > > took a look, and pxa_camera seems to be one of the simple ones..
Following moving ids to af9035.
This driver is no longer in use.
Signed-off-by: Malcolm Priestley
---
drivers/media/usb/dvb-usb-v2/Kconfig | 7 -
drivers/media/usb/dvb-usb-v2/Makefile | 3 -
drivers/media/usb/dvb-usb-v2/it913x.c | 809 --
3 files changed, 81
Remove it9137 firmware files it9137.txt and it9137 get_dvb_firmware.
dvb-usb-it9137-01.fw firmware is no longer in use.
Signed-off-by: Malcolm Priestley
---
Documentation/dvb/get_dvb_firmware | 22 ++
Documentation/dvb/it9137.txt | 9 -
2 files changed, 2 inse
On Thu, 13 Feb 2014, Steven Toth wrote:
> On Thu, Feb 13, 2014 at 2:52 PM, Pavel Machek wrote:
> > Hi!
> >
> > I'm working on project that will need doing video capture from
> > FPGA. That means I can define interface between kernel and hardware.
> >
> > Is there suitable, simple hardware we shou
Signed-off-by: Malcolm Priestley
---
MAINTAINERS | 16
1 file changed, 16 deletions(-)
diff --git a/MAINTAINERS b/MAINTAINERS
index b2cf5cf..538b894 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4771,22 +4771,6 @@ F: Documentation/hwmon/it87
F: drivers/hwmon/it87.c
On Thu, Feb 13, 2014 at 2:52 PM, Pavel Machek wrote:
> Hi!
>
> I'm working on project that will need doing video capture from
> FPGA. That means I can define interface between kernel and hardware.
>
> Is there suitable, simple hardware we should emulate in the FPGA? I
> took a look, and pxa_camera
Hi!
I'm working on project that will need doing video capture from
FPGA. That means I can define interface between kernel and hardware.
Is there suitable, simple hardware we should emulate in the FPGA? I
took a look, and pxa_camera seems to be one of the simple ones...
Thanks,
PID filters are property of af9033 demod. Use PID filters from af9033
driver as it provides those now.
Allow possible dual mode on USB 1.1 mode too as bandwidth could be
just enough when filters are used on both frontends.
Signed-off-by: Antti Palosaari
---
drivers/media/usb/dvb-usb-v2/af9035.c
Implement PID filter and export it via symbol.
Signed-off-by: Antti Palosaari
---
drivers/media/dvb-frontends/af9033.c | 53
drivers/media/dvb-frontends/af9033.h | 19 +
2 files changed, 72 insertions(+)
diff --git a/drivers/media/dvb-frontends/a
Hi,
On 02/13/2014 01:32 PM, Todd Brandt wrote:
> Hello, I'm working on adding a new GSPCA driver for the AmScope MT1000
> series microscope camera and I'm having a bit of trouble. The patch below
> is my work-in-progress. I can succesfully get a video stream from the device
> at 1280x1024 (the def
Hi Hans,
On Thursday 13 February 2014 10:47:44 Hans Verkuil wrote:
> On 02/11/14 13:03, Laurent Pinchart wrote:
> > On Tuesday 11 February 2014 11:09:31 Hans Verkuil wrote:
> >> On 02/05/14 17:42, Laurent Pinchart wrote:
> >>> Replace the ADV7604-specific hotplug notifier with a GPIO to control th
Hello, I'm working on adding a new GSPCA driver for the AmScope MT1000
series microscope camera and I'm having a bit of trouble. The patch below
is my work-in-progress. I can succesfully get a video stream from the device
at 1280x1024 (the default) and can set the exposure value, but I seem to be
h
On 02/13/2014 10:47 AM, Hans Verkuil wrote:
On 02/11/14 13:03, Laurent Pinchart wrote:
Hi Hans,
On Tuesday 11 February 2014 11:09:31 Hans Verkuil wrote:
On 02/05/14 17:42, Laurent Pinchart wrote:
Replace the ADV7604-specific hotplug notifier with a GPIO to control the
HPD pin directly instead
On 02/11/14 13:03, Laurent Pinchart wrote:
> Hi Hans,
>
> On Tuesday 11 February 2014 11:09:31 Hans Verkuil wrote:
>> On 02/05/14 17:42, Laurent Pinchart wrote:
>>> Replace the ADV7604-specific hotplug notifier with a GPIO to control the
>>> HPD pin directly instead of going through the bridge dri
From: Hans Verkuil
This ensures that it is also called from queue_cancel, which also calls
__dqbuf(). Without this change any time queue_cancel is called while
streaming the buf_finish op will not be called and any driver cleanup
will not happen.
Signed-off-by: Hans Verkuil
---
drivers/media/v
From: Hans Verkuil
If start_streaming fails then any queued buffers must be given back
to the vb2 core.
Signed-off-by: Hans Verkuil
---
drivers/media/platform/vivi.c | 13 -
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/drivers/media/platform/vivi.c b/drivers/media/
From: Hans Verkuil
The buf_finish op should always work, so change the return type to void.
Update the few drivers that use it. Note that buf_finish can be called
both when the DMA is streaming and when it isn't (during queue_cancel).
Update drivers to check that where appropriate.
Signed-off-by
This patch series is v3 of the previous series:
http://www.spinics.net/lists/linux-media/msg72465.html
The only difference is that the dropped buf_finish return code check
in patch 4 was moved to patch 2, otherwise the compile would break after
applying patch 2. Thanks to Pawel Osciak for pointin
From: Hans Verkuil
'queued_count' is a bit vague since it is not clear to which queue it
refers to: the vb2 internal list of buffers or the driver-owned list
of buffers.
Rename to make it explicit.
Signed-off-by: Hans Verkuil
---
drivers/media/v4l2-core/videobuf2-core.c | 10 +-
inclu
From: Hans Verkuil
Commit 88e268702bfba78448abd20a31129458707383aa ("vb2: Improve file I/O
emulation to handle buffers in any order") broke read/write support if
the size of the buffer being read/written is less than the size of the
image.
When the commit was tested originally I used qv4l2, whic
From: Hans Verkuil
Ensure that these ops are properly balanced.
There two scenarios:
1) for MMAP buf_init is called when the buffers are created and buf_cleanup
must be called when the queue is finally freed. This scenario was always
working.
2) for USERPTR and DMABUF it is more complica
From: Hans Verkuil
In commit 02f142ecd24aaf891324ffba8527284c1731b561 support was added to
start_streaming to return -ENOBUFS if insufficient buffers were queued
for the DMA engine to start. The vb2 core would attempt calling
start_streaming again if another buffer would be queued up.
Later anal
From: Hans Verkuil
Drivers need to be aware that buf_finish can be called when there is no
streaming going on, so make a note of that.
Also add a bunch of missing periods at the end of sentences.
Signed-off-by: Hans Verkuil
---
include/media/videobuf2-core.h | 44 ++---
From: Hans Verkuil
When a vb2_queue is freed check if all the mem_ops and queue ops were balanced.
So the number of calls to e.g. buf_finish has to match the number of calls to
buf_prepare, etc.
This code is only enabled if CONFIG_VIDEO_ADV_DEBUG is set.
Signed-off-by: Hans Verkuil
Acked-by: P
From: Hans Verkuil
Many drivers do not check anything. At least make sure that the various
buffer size related fields are not obviously wrong.
Signed-off-by: Hans Verkuil
---
drivers/media/v4l2-core/v4l2-ioctl.c | 52 ++--
1 file changed, 50 insertions(+), 2 del
On 02/13/14 09:01, Pawel Osciak wrote:
> Hi Hans,
> Thanks for the patch. I'm really happy to see this, it's a great idea
> and it will be very useful.
>
> Two comments:
> - What do you think about moving the debug stuff to something like
> videobuf2-debug.{c,h} instead?
It's not quite worth it a
Hi Hans,
Thanks for the patch. I'm really happy to see this, it's a great idea
and it will be very useful.
Two comments:
- What do you think about moving the debug stuff to something like
videobuf2-debug.{c,h} instead?
- At this point vb2_buffer_done() shouldn't be required to be balanced
with buf
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