diff options
| author | Sylwester Nawrocki <s.nawrocki@samsung.com> | 2013-12-21 02:35:06 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-03-14 17:37:12 +0400 |
| commit | 34947b8aebe3f2d4eceb65fceafa92bf8dc97d96 (patch) | |
| tree | df4846111c30f6dea67c284057daad23aef446d5 /drivers/media/platform/exynos4-is/fimc-isp.c | |
| parent | fa91f1056f17c87bc0fa601f80d1b1a4487fd701 (diff) | |
| download | linux-34947b8aebe3f2d4eceb65fceafa92bf8dc97d96.tar.xz | |
[media] exynos4-is: Add the FIMC-IS ISP capture DMA driver
Add a video capture node for the FIMC-IS ISP IP block. The Exynos4x12
FIMC-IS ISP IP block has 2 DMA interfaces that allow to capture raw
Bayer and YUV data to memory. Currently only the DMA2 output is and
raw Bayer data capture is supported.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers/media/platform/exynos4-is/fimc-isp.c')
| -rw-r--r-- | drivers/media/platform/exynos4-is/fimc-isp.c | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/drivers/media/platform/exynos4-is/fimc-isp.c b/drivers/media/platform/exynos4-is/fimc-isp.c index f3c6136aa5b4..be62d6b9ac48 100644 --- a/drivers/media/platform/exynos4-is/fimc-isp.c +++ b/drivers/media/platform/exynos4-is/fimc-isp.c @@ -25,6 +25,7 @@ #include <media/v4l2-device.h> #include "media-dev.h" +#include "fimc-isp-video.h" #include "fimc-is-command.h" #include "fimc-is-param.h" #include "fimc-is-regs.h" @@ -93,8 +94,8 @@ void fimc_isp_irq_handler(struct fimc_is *is) is->i2h_cmd.args[1] = mcuctl_read(is, MCUCTL_REG_ISSR(21)); fimc_is_fw_clear_irq1(is, FIMC_IS_INT_FRAME_DONE_ISP); + fimc_isp_video_irq_handler(is); - /* TODO: Complete ISP DMA interrupt handler */ wake_up(&is->irq_queue); } @@ -388,7 +389,33 @@ static int fimc_isp_subdev_open(struct v4l2_subdev *sd, return 0; } +static int fimc_isp_subdev_registered(struct v4l2_subdev *sd) +{ + struct fimc_isp *isp = v4l2_get_subdevdata(sd); + int ret; + + /* Use pipeline object allocated by the media device. */ + isp->video_capture.ve.pipe = v4l2_get_subdev_hostdata(sd); + + ret = fimc_isp_video_device_register(isp, sd->v4l2_dev, + V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); + if (ret < 0) + isp->video_capture.ve.pipe = NULL; + + return ret; +} + +static void fimc_isp_subdev_unregistered(struct v4l2_subdev *sd) +{ + struct fimc_isp *isp = v4l2_get_subdevdata(sd); + + fimc_isp_video_device_unregister(isp, + V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); +} + static const struct v4l2_subdev_internal_ops fimc_is_subdev_internal_ops = { + .registered = fimc_isp_subdev_registered, + .unregistered = fimc_isp_subdev_unregistered, .open = fimc_isp_subdev_open, }; |