diff options
| author | Sylwester Nawrocki <s.nawrocki@samsung.com> | 2013-12-20 19:35:06 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-03-14 10:37:12 -0300 |
| commit | 34947b8aebe3f2d4eceb65fceafa92bf8dc97d96 (patch) | |
| tree | df4846111c30f6dea67c284057daad23aef446d5 /drivers/media/platform/exynos4-is/media-dev.c | |
| parent | fa91f1056f17c87bc0fa601f80d1b1a4487fd701 (diff) | |
| download | linux-34947b8aebe3f2d4eceb65fceafa92bf8dc97d96.tar.bz2 | |
[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/media-dev.c')
| -rw-r--r-- | drivers/media/platform/exynos4-is/media-dev.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/drivers/media/platform/exynos4-is/media-dev.c b/drivers/media/platform/exynos4-is/media-dev.c index c670d67001f7..9bec34c4ac94 100644 --- a/drivers/media/platform/exynos4-is/media-dev.c +++ b/drivers/media/platform/exynos4-is/media-dev.c @@ -684,8 +684,16 @@ static int register_csis_entity(struct fimc_md *fmd, static int register_fimc_is_entity(struct fimc_md *fmd, struct fimc_is *is) { struct v4l2_subdev *sd = &is->isp.subdev; + struct exynos_media_pipeline *ep; int ret; + /* Allocate pipeline object for the ISP capture video node. */ + ep = fimc_md_pipeline_create(fmd); + if (!ep) + return -ENOMEM; + + v4l2_set_subdev_hostdata(sd, ep); + ret = v4l2_device_register_subdev(&fmd->v4l2_dev, sd); if (ret) { v4l2_err(&fmd->v4l2_dev, @@ -959,16 +967,17 @@ static int __fimc_md_create_flite_source_links(struct fimc_md *fmd) /* Create FIMC-IS links */ static int __fimc_md_create_fimc_is_links(struct fimc_md *fmd) { + struct fimc_isp *isp = &fmd->fimc_is->isp; struct media_entity *source, *sink; int i, ret; - source = &fmd->fimc_is->isp.subdev.entity; + source = &isp->subdev.entity; for (i = 0; i < FIMC_MAX_DEVS; i++) { if (fmd->fimc[i] == NULL) continue; - /* Link from IS-ISP subdev to FIMC */ + /* Link from FIMC-IS-ISP subdev to FIMC */ sink = &fmd->fimc[i]->vid_cap.subdev.entity; ret = media_entity_create_link(source, FIMC_ISP_SD_PAD_SRC_FIFO, sink, FIMC_SD_PAD_SINK_FIFO, 0); @@ -976,7 +985,15 @@ static int __fimc_md_create_fimc_is_links(struct fimc_md *fmd) return ret; } - return ret; + /* Link from FIMC-IS-ISP subdev to fimc-is-isp.capture video node */ + sink = &isp->video_capture.ve.vdev.entity; + + /* Skip this link if the fimc-is-isp video node driver isn't built-in */ + if (sink->num_pads == 0) + return 0; + + return media_entity_create_link(source, FIMC_ISP_SD_PAD_SRC_DMA, + sink, 0, 0); } /** |