Commit graph

4 commits

Author SHA1 Message Date
Tomasz Stanislawski
392d9e1d02 [media] v4l: s5p-tv: mixer: fix setup of VP scaling
Adjusting of Video Processor's scaling factors was flawed. It bounded scaling
to range 1/16 to 1/1. The correct range should be 1/4 to 4/1. This patch fixes
this bug.

Signed-off-by: Tomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-01-10 23:19:40 -02:00
Tomasz Stanislawski
0d066d3f6f [media] v4l: s5p-tv: mixer: add support for selection API
This patch add support for V4L2 selection API to s5p-tv driver.  Moreover it
removes old API for cropping.  Old applications would still work because the
crop ioctls are emulated using the selection API.

Signed-off-by: Tomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-01-10 23:19:23 -02:00
Marek Szyprowski
ba7fcb0c95 [media] media: vb2: dma contig allocator: use dma_addr instread of paddr
Use the correct 'dma_addr' name for the buffer address. 'paddr' suggested
that this is the physical address in system memory. For most ARM platforms
these two are the same, but this is not a generic rule. 'dma_addr' will
also point better to dma-mapping api.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
CC: Pawel Osciak <pawel@osciak.com>
Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-09-06 15:05:10 -03:00
Tomasz Stanislawski
fef1c8d018 [media] v4l: s5p-tv: add TV Mixer driver for Samsung S5P platform
Add driver for TV Mixer on Samsung platforms from S5P family.
Mixer is responsible for merging images from three layers and
passing result to the output.

Drivers are using:
- v4l2 framework
- videobuf2
- runtime PM

Signed-off-by: Tomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Reviewed-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-07-27 17:56:01 -03:00