Use pr_debug instead of printk so it is possible to control
debug traces at runtime.
E.g. to enable debug trace in file fimc-core.c use command:
echo -n 'file fimc-core.c +p' > /sys/kernel/debug/dynamic_debug/control
or
echo -n 'file fimc-core.c -p' > /sys/kernel/debug/dynamic_debug/control
to disable.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Rework the locking in m2m driver to assure proper operation on SMP systems.
When job_abort or stop_streaming was called to immediately shutdown
a memory-to-memory transaction video buffers scheduled for processing
were never returned to vb2 and v4l2_m2m_job_finish was not called
which led to hanging.
Correct this and also return the unprocessed buffers to vb2 marking
them as erroneous, in case the end of frame interrupt do not occur.
Reported-by: Sewoon Park <seuni.park@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This patch adds callback functions, stop_streaming and job_abort,
to abort or finish any DMA in progress. stop_streaming is called
by videobuf2 framework and job_abort is called by m2m framework.
ST_M2M_PEND state is added to discard the next job.
Reviewed-by: Jonghun Han <jonghun.han@samsung.com>
Signed-off-by: Hyunwoong Kim <khw0178.kim@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Horizontal and vertical scaling range are according to the following equations.
If (SRC_Width >= 64 x DST_Width) { Exit(-1); /* Out of Horizontal scale range}
If (SRC_Height >= 64 x DST_Height) { Exit(-1); /* Out of Vertical scale range}
fimc_check_scaler_ratio() is used to check if horizontal and vertical
scale range are valid or not. To use fimc_check_scaler_ratio,
source and destination format should be set by VIDIOC_S_FMT.
And in case of scaling up, it doesn't have to check the scale range.
Reviewed-by: Jonghun Han <jonghun.han@samsung.com>
Signed-off-by: Hyunwoong Kim <khw0178.kim@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
The main scaler has four SFRs for main scaler ratio depending on FIMC version.
FIMC 4.x has only two SFRs and FIMC 5.x has four SFRs for main scaler.
Those are MainHorRatio, MainHorRatio_ext, MainVerRatio and MainverRatio_ext.
The FIMC 5.x has 15 bit resolution for scaling ratio as below.
{MainHorRatio,MainHorRatio_ext} = {[14:6],[5:0]}.
{MainVerRatio,MainVerRatio_ext} = {[14:6],[5:0]}.
MainHorRatio = CISCCTRL[24:16], MainHorRatio_ext = CIEXTEN[15:10]
MainVerRatio = CISCCTRL[8:0], MainVerRatio_ext = CIEXTEN[5:0]
This patch supports FIMC 4.x and FIMC 5.x using platform_device_id::driver_data.
Reviewed-by: Jonghun Han <jonghun.han@samsung.com>
Signed-off-by: Hyunwoong Kim <khw0178.kim@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Some color formats are mismatched in s5p-fimc driver.
CIOCTRL[1:0], order422_out, should be set 2b'00 not 2b'11
to use V4L2_PIX_FMT_YUYV. Because in V4L2 standard V4L2_PIX_FMT_YUYV means
"start + 0: Y'00 Cb00 Y'01 Cr00 Y'02 Cb01 Y'03 Cr01". According to datasheet
2b'00 is right value for V4L2_PIX_FMT_YUYV.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Manage the camera sensor clock in the host driver rather than
leaving this task for sensor drivers. The clock frequency
must be passed in the sensor's and host driver's platform data.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Change s3c_fimc.h header file name to s5p_fimc.h, replace s3c_fimc_*
names with s5p_fimc_*. s3c_fimc need to be reserved for S3C series
and s5p-fimc driver will not cover CAMIF devices in S3C SoC series.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Conversion to multiplanar color formats and minor cleanup.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Porting to videobuf 2 and minor cleanup.
Separate videobuf_queue_ops are are created for m2m
and capture video nodes.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
FIMC IP in S5Pv310 series has extended DMA status registers
and some bit fields are marked as reserved comparing to S5PC100/110.
Use correct registers for getting DMA write pointer in each SoC variant
supported by the driver.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Create separate vidioc_g_crop/vidioc_s_crop handlers for capture
video node and so image cropping parameters are properly queried
at FIMC input (image sensor) and not at FIMC output.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
> From: Dan Carpenter [mailto:error27@gmail.com]
>
> These are signed so instead of being 1 and 0 as intended they are -1 and
> 0. It doesn't cause a bug in the current code but Sparse warns about
> it:
>
> drivers/media/video/s5p-fimc/fimc-core.h:226:28:
> error: dubious one-bit signed bitfield
> struct fimc_scaler {
> - int scaleup_h:1;
> - int scaleup_v:1;
> - int copy_mode:1;
> - int enabled:1;
> + unsigned int scaleup_h:1;
> + unsigned int caleup_v:1;
> + unsigned int copy_mode:1;
> + unsigned int enabled:1;
In general I agree, however this patch would change scaleup_v:1
to caleup_v, so it cannot be applied in current form.
Here is the corrected patch:
Reported-by: Dan Carpenter <error27@gmail.com<
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Enable FIMC operation on S5PC210 (S5PV310) SoCs. This a minimal
adaptation to obtain functionality of older FIMC IP revisions
(S5PC100, S5PC110) on S5PC210 SOcs.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Add a video device driver per each FIMC entity to support
the camera capture input mode. Video capture node is registered
only if CCD sensor data is provided through driver's platfrom data
and board setup code.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Register access functions refactored for camera capture interface
control. Removed the workqueue since it was only useful for FIFO
output mode which is not supported at this time.
Fixed errors on module unload. Comments and whitespace cleanup.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This driver exports a video device node per each camera interface/
video postprocessor (FIMC) device contained in Samsung S5P SoC series.
The driver is based on v4l2-mem2mem framework.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Pawel Osciak <p.osciak@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
