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path: root/drivers/media/platform/omap3isp
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Diffstat (limited to 'drivers/media/platform/omap3isp')
-rw-r--r--drivers/media/platform/omap3isp/isp.c51
-rw-r--r--drivers/media/platform/omap3isp/ispccdc.c2
-rw-r--r--drivers/media/platform/omap3isp/ispccp2.c21
-rw-r--r--drivers/media/platform/omap3isp/ispcsi2.c2
-rw-r--r--drivers/media/platform/omap3isp/ispqueue.h1
-rw-r--r--drivers/media/platform/omap3isp/ispvideo.c6
6 files changed, 52 insertions, 31 deletions
diff --git a/drivers/media/platform/omap3isp/isp.c b/drivers/media/platform/omap3isp/isp.c
index 1d7dbd5c0fba..df3a0ec7fd2c 100644
--- a/drivers/media/platform/omap3isp/isp.c
+++ b/drivers/media/platform/omap3isp/isp.c
@@ -792,9 +792,9 @@ int omap3isp_pipeline_pm_use(struct media_entity *entity, int use)
/*
* isp_pipeline_link_notify - Link management notification callback
- * @source: Pad at the start of the link
- * @sink: Pad at the end of the link
+ * @link: The link
* @flags: New link flags that will be applied
+ * @notification: The link's state change notification type (MEDIA_DEV_NOTIFY_*)
*
* React to link management on powered pipelines by updating the use count of
* all entities in the source and sink sides of the link. Entities are powered
@@ -804,29 +804,38 @@ int omap3isp_pipeline_pm_use(struct media_entity *entity, int use)
* off is assumed to never fail. This function will not fail for disconnection
* events.
*/
-static int isp_pipeline_link_notify(struct media_pad *source,
- struct media_pad *sink, u32 flags)
+static int isp_pipeline_link_notify(struct media_link *link, u32 flags,
+ unsigned int notification)
{
- int source_use = isp_pipeline_pm_use_count(source->entity);
- int sink_use = isp_pipeline_pm_use_count(sink->entity);
+ struct media_entity *source = link->source->entity;
+ struct media_entity *sink = link->sink->entity;
+ int source_use = isp_pipeline_pm_use_count(source);
+ int sink_use = isp_pipeline_pm_use_count(sink);
int ret;
- if (!(flags & MEDIA_LNK_FL_ENABLED)) {
+ if (notification == MEDIA_DEV_NOTIFY_POST_LINK_CH &&
+ !(link->flags & MEDIA_LNK_FL_ENABLED)) {
/* Powering off entities is assumed to never fail. */
- isp_pipeline_pm_power(source->entity, -sink_use);
- isp_pipeline_pm_power(sink->entity, -source_use);
+ isp_pipeline_pm_power(source, -sink_use);
+ isp_pipeline_pm_power(sink, -source_use);
return 0;
}
- ret = isp_pipeline_pm_power(source->entity, sink_use);
- if (ret < 0)
- return ret;
+ if (notification == MEDIA_DEV_NOTIFY_POST_LINK_CH &&
+ (flags & MEDIA_LNK_FL_ENABLED)) {
- ret = isp_pipeline_pm_power(sink->entity, source_use);
- if (ret < 0)
- isp_pipeline_pm_power(source->entity, -sink_use);
+ ret = isp_pipeline_pm_power(source, sink_use);
+ if (ret < 0)
+ return ret;
- return ret;
+ ret = isp_pipeline_pm_power(sink, source_use);
+ if (ret < 0)
+ isp_pipeline_pm_power(source, -sink_use);
+
+ return ret;
+ }
+
+ return 0;
}
/* -----------------------------------------------------------------------------
@@ -877,7 +886,7 @@ static int isp_pipeline_enable(struct isp_pipeline *pipe,
if (!(pad->flags & MEDIA_PAD_FL_SINK))
break;
- pad = media_entity_remote_source(pad);
+ pad = media_entity_remote_pad(pad);
if (pad == NULL ||
media_entity_type(pad->entity) != MEDIA_ENT_T_V4L2_SUBDEV)
break;
@@ -967,7 +976,7 @@ static int isp_pipeline_disable(struct isp_pipeline *pipe)
if (!(pad->flags & MEDIA_PAD_FL_SINK))
break;
- pad = media_entity_remote_source(pad);
+ pad = media_entity_remote_pad(pad);
if (pad == NULL ||
media_entity_type(pad->entity) != MEDIA_ENT_T_V4L2_SUBDEV)
break;
@@ -1083,7 +1092,7 @@ static int isp_pipeline_is_last(struct media_entity *me)
pipe = to_isp_pipeline(me);
if (pipe->stream_state == ISP_PIPELINE_STREAM_STOPPED)
return 0;
- pad = media_entity_remote_source(&pipe->output->pad);
+ pad = media_entity_remote_pad(&pipe->output->pad);
return pad->entity == me;
}
@@ -2249,6 +2258,7 @@ static int isp_probe(struct platform_device *pdev)
ret = iommu_attach_device(isp->domain, &pdev->dev);
if (ret) {
dev_err(&pdev->dev, "can't attach iommu device: %d\n", ret);
+ ret = -EPROBE_DEFER;
goto free_domain;
}
@@ -2287,12 +2297,11 @@ detach_dev:
iommu_detach_device(isp->domain, &pdev->dev);
free_domain:
iommu_domain_free(isp->domain);
+ isp->domain = NULL;
error_isp:
isp_xclk_cleanup(isp);
omap3isp_put(isp);
error:
- platform_set_drvdata(pdev, NULL);
-
mutex_destroy(&isp->isp_mutex);
return ret;
diff --git a/drivers/media/platform/omap3isp/ispccdc.c b/drivers/media/platform/omap3isp/ispccdc.c
index 60e60aa64fb4..907a205da5a5 100644
--- a/drivers/media/platform/omap3isp/ispccdc.c
+++ b/drivers/media/platform/omap3isp/ispccdc.c
@@ -1120,7 +1120,7 @@ static void ccdc_configure(struct isp_ccdc_device *ccdc)
u32 syn_mode;
u32 ccdc_pattern;
- pad = media_entity_remote_source(&ccdc->pads[CCDC_PAD_SINK]);
+ pad = media_entity_remote_pad(&ccdc->pads[CCDC_PAD_SINK]);
sensor = media_entity_to_v4l2_subdev(pad->entity);
if (ccdc->input == CCDC_INPUT_PARALLEL)
pdata = &((struct isp_v4l2_subdevs_group *)sensor->host_priv)
diff --git a/drivers/media/platform/omap3isp/ispccp2.c b/drivers/media/platform/omap3isp/ispccp2.c
index c5d84c977e29..e71651429dda 100644
--- a/drivers/media/platform/omap3isp/ispccp2.c
+++ b/drivers/media/platform/omap3isp/ispccp2.c
@@ -158,13 +158,17 @@ static void ccp2_pwr_cfg(struct isp_ccp2_device *ccp2)
* @ccp2: pointer to ISP CCP2 device
* @enable: enable/disable flag
*/
-static void ccp2_if_enable(struct isp_ccp2_device *ccp2, u8 enable)
+static int ccp2_if_enable(struct isp_ccp2_device *ccp2, u8 enable)
{
struct isp_device *isp = to_isp_device(ccp2);
+ int ret;
int i;
- if (enable && ccp2->vdds_csib)
- regulator_enable(ccp2->vdds_csib);
+ if (enable && ccp2->vdds_csib) {
+ ret = regulator_enable(ccp2->vdds_csib);
+ if (ret < 0)
+ return ret;
+ }
/* Enable/Disable all the LCx channels */
for (i = 0; i < CCP2_LCx_CHANS_NUM; i++)
@@ -179,6 +183,8 @@ static void ccp2_if_enable(struct isp_ccp2_device *ccp2, u8 enable)
if (!enable && ccp2->vdds_csib)
regulator_disable(ccp2->vdds_csib);
+
+ return 0;
}
/*
@@ -360,7 +366,7 @@ static int ccp2_if_configure(struct isp_ccp2_device *ccp2)
ccp2_pwr_cfg(ccp2);
- pad = media_entity_remote_source(&ccp2->pads[CCP2_PAD_SINK]);
+ pad = media_entity_remote_pad(&ccp2->pads[CCP2_PAD_SINK]);
sensor = media_entity_to_v4l2_subdev(pad->entity);
pdata = sensor->host_priv;
@@ -851,7 +857,12 @@ static int ccp2_s_stream(struct v4l2_subdev *sd, int enable)
ccp2_print_status(ccp2);
/* Enable CSI1/CCP2 interface */
- ccp2_if_enable(ccp2, 1);
+ ret = ccp2_if_enable(ccp2, 1);
+ if (ret < 0) {
+ if (ccp2->phy)
+ omap3isp_csiphy_release(ccp2->phy);
+ return ret;
+ }
break;
case ISP_PIPELINE_STREAM_SINGLESHOT:
diff --git a/drivers/media/platform/omap3isp/ispcsi2.c b/drivers/media/platform/omap3isp/ispcsi2.c
index 783f4b05b153..6db245d84bbb 100644
--- a/drivers/media/platform/omap3isp/ispcsi2.c
+++ b/drivers/media/platform/omap3isp/ispcsi2.c
@@ -573,7 +573,7 @@ static int csi2_configure(struct isp_csi2_device *csi2)
if (csi2->contexts[0].enabled || csi2->ctrl.if_enable)
return -EBUSY;
- pad = media_entity_remote_source(&csi2->pads[CSI2_PAD_SINK]);
+ pad = media_entity_remote_pad(&csi2->pads[CSI2_PAD_SINK]);
sensor = media_entity_to_v4l2_subdev(pad->entity);
pdata = sensor->host_priv;
diff --git a/drivers/media/platform/omap3isp/ispqueue.h b/drivers/media/platform/omap3isp/ispqueue.h
index 908dfd712e8e..3e048ad65647 100644
--- a/drivers/media/platform/omap3isp/ispqueue.h
+++ b/drivers/media/platform/omap3isp/ispqueue.h
@@ -28,6 +28,7 @@
#include <linux/kernel.h>
#include <linux/list.h>
+#include <linux/mm_types.h>
#include <linux/mutex.h>
#include <linux/videodev2.h>
#include <linux/wait.h>
diff --git a/drivers/media/platform/omap3isp/ispvideo.c b/drivers/media/platform/omap3isp/ispvideo.c
index 8dac17511e61..a908d006f527 100644
--- a/drivers/media/platform/omap3isp/ispvideo.c
+++ b/drivers/media/platform/omap3isp/ispvideo.c
@@ -219,7 +219,7 @@ isp_video_remote_subdev(struct isp_video *video, u32 *pad)
{
struct media_pad *remote;
- remote = media_entity_remote_source(&video->pad);
+ remote = media_entity_remote_pad(&video->pad);
if (remote == NULL ||
media_entity_type(remote->entity) != MEDIA_ENT_T_V4L2_SUBDEV)
@@ -314,7 +314,7 @@ static int isp_video_validate_pipeline(struct isp_pipeline *pipe)
* entity can be found, and stop checking the pipeline if the
* source entity isn't a subdev.
*/
- pad = media_entity_remote_source(pad);
+ pad = media_entity_remote_pad(pad);
if (pad == NULL)
return -EPIPE;
@@ -901,7 +901,7 @@ static int isp_video_check_external_subdevs(struct isp_video *video,
continue;
/* ISP entities have always sink pad == 0. Find source. */
- source_pad = media_entity_remote_source(&ents[i]->pads[0]);
+ source_pad = media_entity_remote_pad(&ents[i]->pads[0]);
if (source_pad == NULL)
continue;
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-01 02:10:43 +0300