Create disabled links from the FIMC-LITE subdevs to the FIMC-IS-ISP
subdev and from FIMC-IS-ISP to all FIMC subdevs.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx>
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
drivers/media/platform/exynos4-is/media-dev.c | 83 +++++++++++++++++++------
1 file changed, 64 insertions(+), 19 deletions(-)
diff --git a/drivers/media/platform/exynos4-is/media-dev.c b/drivers/media/platform/exynos4-is/media-dev.c
index 5e1c28e..e5e0c37 100644
--- a/drivers/media/platform/exynos4-is/media-dev.c
+++ b/drivers/media/platform/exynos4-is/media-dev.c
@@ -836,12 +836,19 @@ static int __fimc_md_create_fimc_sink_links(struct fimc_md *fmd,
struct v4l2_subdev *sensor,
int pad, int link_mask)
{
- struct fimc_sensor_info *s_info = NULL;
+ struct fimc_sensor_info *si = NULL;
struct media_entity *sink;
unsigned int flags = 0;
- int ret, i;
+ int i, ret = 0;
- for (i = 0; i < FIMC_MAX_DEVS; i++) {
+ if (sensor) {
+ si = v4l2_get_subdev_hostdata(sensor);
+ /* Skip direct FIMC links in the logical FIMC-IS sensor path */
+ if (si && si->pdata.fimc_bus_type == FIMC_BUS_TYPE_ISP_WRITEBACK)
+ ret = 1;
+ }
+
+ for (i = 0; !ret && i < FIMC_MAX_DEVS; i++) {
if (!fmd->fimc[i])
continue;
/*
@@ -870,11 +877,11 @@ static int __fimc_md_create_fimc_sink_links(struct fimc_md *fmd,
if (flags == 0 || sensor == NULL)
continue;
- s_info = v4l2_get_subdev_hostdata(sensor);
- if (!WARN_ON(s_info == NULL)) {
+
+ if (!WARN_ON(si == NULL)) {
unsigned long irq_flags;
spin_lock_irqsave(&fmd->slock, irq_flags);
- s_info->host = fmd->fimc[i];
+ si->host = fmd->fimc[i];
spin_unlock_irqrestore(&fmd->slock, irq_flags);
}
}
@@ -883,25 +890,20 @@ static int __fimc_md_create_fimc_sink_links(struct fimc_md *fmd,
if (!fmd->fimc_lite[i])
continue;
- if (link_mask & (1 << (i + FIMC_MAX_DEVS)))
- flags = MEDIA_LNK_FL_ENABLED;
- else
- flags = 0;
-
sink = &fmd->fimc_lite[i]->subdev.entity;
ret = media_entity_create_link(source, pad, sink,
- FLITE_SD_PAD_SINK, flags);
+ FLITE_SD_PAD_SINK, 0);
if (ret)
return ret;
/* Notify FIMC-LITE subdev entity */
ret = media_entity_call(sink, link_setup, &sink->pads[0],
- &source->pads[pad], flags);
+ &source->pads[pad], 0);
if (ret)
break;
- v4l2_info(&fmd->v4l2_dev, "created link [%s] %c> [%s]\n",
- source->name, flags ? '=' : '-', sink->name);
+ v4l2_info(&fmd->v4l2_dev, "created link [%s] -> [%s]\n",
+ source->name, sink->name);
}
return 0;
}
@@ -910,26 +912,59 @@ static int __fimc_md_create_fimc_sink_links(struct fimc_md *fmd,
static int __fimc_md_create_flite_source_links(struct fimc_md *fmd)
{
struct media_entity *source, *sink;
- unsigned int flags = MEDIA_LNK_FL_ENABLED;
int i, ret = 0;
for (i = 0; i < FIMC_LITE_MAX_DEVS; i++) {
struct fimc_lite *fimc = fmd->fimc_lite[i];
+
if (fimc == NULL)
continue;
+
source = &fimc->subdev.entity;
sink = &fimc->vfd.entity;
/* FIMC-LITE's subdev and video node */
ret = media_entity_create_link(source, FLITE_SD_PAD_SOURCE_DMA,
- sink, 0, flags);
+ sink, 0, 0);
+ if (ret)
+ break;
+ /* Link from FIMC-LITE to IS-ISP subdev */
+ sink = &fmd->fimc_is->isp.subdev.entity;
+ ret = media_entity_create_link(source, FLITE_SD_PAD_SOURCE_ISP,
+ sink, 0, 0);
if (ret)
break;
- /* TODO: create links to other entities */
}
return ret;
}
+/* Create FIMC-IS links */
+static int __fimc_md_create_fimc_is_links(struct fimc_md *fmd)
+{
+ struct media_entity *source, *sink;
+ int i, ret;
+
+ source = &fmd->fimc_is->isp.subdev.entity;
+
+ for (i = 0; i < FIMC_MAX_DEVS; i++) {
+ if (fmd->fimc[i] == NULL)
+ continue;
+
+ /* Link from 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);
+ if (ret)
+ return ret;
+ }
+
+ /* Link from IS-ISP subdev to is.isp capture video node */
+ sink = &fmd->fimc_is->isp.video_capture.vdev.entity;
+ ret = media_entity_create_link(source, FIMC_ISP_SD_PAD_SRC_DMA,
+ sink, 0, 0);
+ return ret;
+}
+
/**
* fimc_md_create_links - create default links between registered entities
*
@@ -1012,6 +1047,7 @@ static int fimc_md_create_links(struct fimc_md *fmd)
for (i = 0; i < CSIS_MAX_ENTITIES; i++) {
if (fmd->csis[i].sd == NULL)
continue;
+
source = &fmd->csis[i].sd->entity;
pad = CSIS_PAD_SOURCE;
sensor = csi_sensors[i];
@@ -1026,15 +1062,24 @@ static int fimc_md_create_links(struct fimc_md *fmd)
for (i = 0; i < FIMC_MAX_DEVS; i++) {
if (!fmd->fimc[i])
continue;
+
source = &fmd->fimc[i]->vid_cap.subdev.entity;
sink = &fmd->fimc[i]->vid_cap.vfd.entity;
+
ret = media_entity_create_link(source, FIMC_SD_PAD_SOURCE,
sink, 0, flags);
if (ret)
break;
}
- return __fimc_md_create_flite_source_links(fmd);
+ ret = __fimc_md_create_flite_source_links(fmd);
+ if (ret < 0)
+ return ret;
+
+ if (fmd->use_isp)
+ ret = __fimc_md_create_fimc_is_links(fmd);
+
+ return ret;
}
/*
--
1.7.9.5
--
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