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-rw-r--r--drivers/media/video/omap3isp/isp.c3
-rw-r--r--drivers/media/video/omap3isp/ispccdc.c86
-rw-r--r--drivers/media/video/omap3isp/ispccp2.c125
-rw-r--r--drivers/media/video/omap3isp/ispcsi2.c91
-rw-r--r--drivers/media/video/omap3isp/isph3a_aewb.c2
-rw-r--r--drivers/media/video/omap3isp/isph3a_af.c2
-rw-r--r--drivers/media/video/omap3isp/isphist.c2
-rw-r--r--drivers/media/video/omap3isp/isppreview.c419
-rw-r--r--drivers/media/video/omap3isp/isppreview.h9
-rw-r--r--drivers/media/video/omap3isp/ispreg.h3
-rw-r--r--drivers/media/video/omap3isp/ispresizer.c104
-rw-r--r--drivers/media/video/omap3isp/ispstat.c52
-rw-r--r--drivers/media/video/omap3isp/ispstat.h2
-rw-r--r--drivers/media/video/omap3isp/ispvideo.c11
-rw-r--r--drivers/media/video/omap3isp/ispvideo.h1
15 files changed, 535 insertions, 377 deletions
diff --git a/drivers/media/video/omap3isp/isp.c b/drivers/media/video/omap3isp/isp.c
index 678e1252047a..b818cacf420f 100644
--- a/drivers/media/video/omap3isp/isp.c
+++ b/drivers/media/video/omap3isp/isp.c
@@ -1704,6 +1704,7 @@ static int isp_register_entities(struct isp_device *isp)
isp->media_dev.dev = isp->dev;
strlcpy(isp->media_dev.model, "TI OMAP3 ISP",
sizeof(isp->media_dev.model));
+ isp->media_dev.hw_revision = isp->revision;
isp->media_dev.link_notify = isp_pipeline_link_notify;
ret = media_device_register(&isp->media_dev);
if (ret < 0) {
@@ -2210,6 +2211,8 @@ error:
regulator_put(isp->isp_csiphy2.vdd);
regulator_put(isp->isp_csiphy1.vdd);
platform_set_drvdata(pdev, NULL);
+
+ mutex_destroy(&isp->isp_mutex);
kfree(isp);
return ret;
diff --git a/drivers/media/video/omap3isp/ispccdc.c b/drivers/media/video/omap3isp/ispccdc.c
index 253fdcce2df2..b0b0fa5a3572 100644
--- a/drivers/media/video/omap3isp/ispccdc.c
+++ b/drivers/media/video/omap3isp/ispccdc.c
@@ -1836,7 +1836,7 @@ ccdc_try_format(struct isp_ccdc_device *ccdc, struct v4l2_subdev_fh *fh,
* callers to request an output size bigger than the input size
* up to the nearest multiple of 16.
*/
- fmt->width = clamp_t(u32, width, 32, (fmt->width + 15) & ~15);
+ fmt->width = clamp_t(u32, width, 32, fmt->width + 15);
fmt->width &= ~15;
fmt->height = clamp_t(u32, height, 32, fmt->height);
break;
@@ -2152,6 +2152,37 @@ static const struct media_entity_operations ccdc_media_ops = {
.link_setup = ccdc_link_setup,
};
+void omap3isp_ccdc_unregister_entities(struct isp_ccdc_device *ccdc)
+{
+ v4l2_device_unregister_subdev(&ccdc->subdev);
+ omap3isp_video_unregister(&ccdc->video_out);
+}
+
+int omap3isp_ccdc_register_entities(struct isp_ccdc_device *ccdc,
+ struct v4l2_device *vdev)
+{
+ int ret;
+
+ /* Register the subdev and video node. */
+ ret = v4l2_device_register_subdev(vdev, &ccdc->subdev);
+ if (ret < 0)
+ goto error;
+
+ ret = omap3isp_video_register(&ccdc->video_out, vdev);
+ if (ret < 0)
+ goto error;
+
+ return 0;
+
+error:
+ omap3isp_ccdc_unregister_entities(ccdc);
+ return ret;
+}
+
+/* -----------------------------------------------------------------------------
+ * ISP CCDC initialisation and cleanup
+ */
+
/*
* ccdc_init_entities - Initialize V4L2 subdev and media entity
* @ccdc: ISP CCDC module
@@ -2193,50 +2224,23 @@ static int ccdc_init_entities(struct isp_ccdc_device *ccdc)
ret = omap3isp_video_init(&ccdc->video_out, "CCDC");
if (ret < 0)
- return ret;
+ goto error_video;
/* Connect the CCDC subdev to the video node. */
ret = media_entity_create_link(&ccdc->subdev.entity, CCDC_PAD_SOURCE_OF,
&ccdc->video_out.video.entity, 0, 0);
if (ret < 0)
- return ret;
-
- return 0;
-}
-
-void omap3isp_ccdc_unregister_entities(struct isp_ccdc_device *ccdc)
-{
- media_entity_cleanup(&ccdc->subdev.entity);
-
- v4l2_device_unregister_subdev(&ccdc->subdev);
- omap3isp_video_unregister(&ccdc->video_out);
-}
-
-int omap3isp_ccdc_register_entities(struct isp_ccdc_device *ccdc,
- struct v4l2_device *vdev)
-{
- int ret;
-
- /* Register the subdev and video node. */
- ret = v4l2_device_register_subdev(vdev, &ccdc->subdev);
- if (ret < 0)
- goto error;
-
- ret = omap3isp_video_register(&ccdc->video_out, vdev);
- if (ret < 0)
- goto error;
+ goto error_link;
return 0;
-error:
- omap3isp_ccdc_unregister_entities(ccdc);
+error_link:
+ omap3isp_video_cleanup(&ccdc->video_out);
+error_video:
+ media_entity_cleanup(me);
return ret;
}
-/* -----------------------------------------------------------------------------
- * ISP CCDC initialisation and cleanup
- */
-
/*
* omap3isp_ccdc_init - CCDC module initialization.
* @dev: Device pointer specific to the OMAP3 ISP.
@@ -2248,6 +2252,7 @@ error:
int omap3isp_ccdc_init(struct isp_device *isp)
{
struct isp_ccdc_device *ccdc = &isp->isp_ccdc;
+ int ret;
spin_lock_init(&ccdc->lock);
init_waitqueue_head(&ccdc->wait);
@@ -2276,7 +2281,13 @@ int omap3isp_ccdc_init(struct isp_device *isp)
ccdc->update = OMAP3ISP_CCDC_BLCLAMP;
ccdc_apply_controls(ccdc);
- return ccdc_init_entities(ccdc);
+ ret = ccdc_init_entities(ccdc);
+ if (ret < 0) {
+ mutex_destroy(&ccdc->ioctl_lock);
+ return ret;
+ }
+
+ return 0;
}
/*
@@ -2287,6 +2298,9 @@ void omap3isp_ccdc_cleanup(struct isp_device *isp)
{
struct isp_ccdc_device *ccdc = &isp->isp_ccdc;
+ omap3isp_video_cleanup(&ccdc->video_out);
+ media_entity_cleanup(&ccdc->subdev.entity);
+
/* Free LSC requests. As the CCDC is stopped there's no active request,
* so only the pending request and the free queue need to be handled.
*/
@@ -2296,4 +2310,6 @@ void omap3isp_ccdc_cleanup(struct isp_device *isp)
if (ccdc->fpc.fpcaddr != 0)
omap_iommu_vfree(isp->domain, isp->iommu, ccdc->fpc.fpcaddr);
+
+ mutex_destroy(&ccdc->ioctl_lock);
}
diff --git a/drivers/media/video/omap3isp/ispccp2.c b/drivers/media/video/omap3isp/ispccp2.c
index fa1d09b0ad98..904ca8c8b17f 100644
--- a/drivers/media/video/omap3isp/ispccp2.c
+++ b/drivers/media/video/omap3isp/ispccp2.c
@@ -1032,6 +1032,48 @@ static const struct media_entity_operations ccp2_media_ops = {
};
/*
+ * omap3isp_ccp2_unregister_entities - Unregister media entities: subdev
+ * @ccp2: Pointer to ISP CCP2 device
+ */
+void omap3isp_ccp2_unregister_entities(struct isp_ccp2_device *ccp2)
+{
+ v4l2_device_unregister_subdev(&ccp2->subdev);
+ omap3isp_video_unregister(&ccp2->video_in);
+}
+
+/*
+ * omap3isp_ccp2_register_entities - Register the subdev media entity
+ * @ccp2: Pointer to ISP CCP2 device
+ * @vdev: Pointer to v4l device
+ * return negative error code or zero on success
+ */
+
+int omap3isp_ccp2_register_entities(struct isp_ccp2_device *ccp2,
+ struct v4l2_device *vdev)
+{
+ int ret;
+
+ /* Register the subdev and video nodes. */
+ ret = v4l2_device_register_subdev(vdev, &ccp2->subdev);
+ if (ret < 0)
+ goto error;
+
+ ret = omap3isp_video_register(&ccp2->video_in, vdev);
+ if (ret < 0)
+ goto error;
+
+ return 0;
+
+error:
+ omap3isp_ccp2_unregister_entities(ccp2);
+ return ret;
+}
+
+/* -----------------------------------------------------------------------------
+ * ISP ccp2 initialisation and cleanup
+ */
+
+/*
* ccp2_init_entities - Initialize ccp2 subdev and media entity.
* @ccp2: Pointer to ISP CCP2 device
* return negative error code or zero on success
@@ -1083,72 +1125,23 @@ static int ccp2_init_entities(struct isp_ccp2_device *ccp2)
ret = omap3isp_video_init(&ccp2->video_in, "CCP2");
if (ret < 0)
- return ret;
+ goto error_video;
/* Connect the video node to the ccp2 subdev. */
ret = media_entity_create_link(&ccp2->video_in.video.entity, 0,
&ccp2->subdev.entity, CCP2_PAD_SINK, 0);
if (ret < 0)
- return ret;
+ goto error_link;
return 0;
-}
-/*
- * omap3isp_ccp2_unregister_entities - Unregister media entities: subdev
- * @ccp2: Pointer to ISP CCP2 device
- */
-void omap3isp_ccp2_unregister_entities(struct isp_ccp2_device *ccp2)
-{
+error_link:
+ omap3isp_video_cleanup(&ccp2->video_in);
+error_video:
media_entity_cleanup(&ccp2->subdev.entity);
-
- v4l2_device_unregister_subdev(&ccp2->subdev);
- omap3isp_video_unregister(&ccp2->video_in);
-}
-
-/*
- * omap3isp_ccp2_register_entities - Register the subdev media entity
- * @ccp2: Pointer to ISP CCP2 device
- * @vdev: Pointer to v4l device
- * return negative error code or zero on success
- */
-
-int omap3isp_ccp2_register_entities(struct isp_ccp2_device *ccp2,
- struct v4l2_device *vdev)
-{
- int ret;
-
- /* Register the subdev and video nodes. */
- ret = v4l2_device_register_subdev(vdev, &ccp2->subdev);
- if (ret < 0)
- goto error;
-
- ret = omap3isp_video_register(&ccp2->video_in, vdev);
- if (ret < 0)
- goto error;
-
- return 0;
-
-error:
- omap3isp_ccp2_unregister_entities(ccp2);
return ret;
}
-/* -----------------------------------------------------------------------------
- * ISP ccp2 initialisation and cleanup
- */
-
-/*
- * omap3isp_ccp2_cleanup - CCP2 un-initialization
- * @isp : Pointer to ISP device
- */
-void omap3isp_ccp2_cleanup(struct isp_device *isp)
-{
- struct isp_ccp2_device *ccp2 = &isp->isp_ccp2;
-
- regulator_put(ccp2->vdds_csib);
-}
-
/*
* omap3isp_ccp2_init - CCP2 initialization.
* @isp : Pointer to ISP device
@@ -1184,13 +1177,25 @@ int omap3isp_ccp2_init(struct isp_device *isp)
}
ret = ccp2_init_entities(ccp2);
- if (ret < 0)
- goto out;
+ if (ret < 0) {
+ regulator_put(ccp2->vdds_csib);
+ return ret;
+ }
ccp2_reset(ccp2);
-out:
- if (ret)
- omap3isp_ccp2_cleanup(isp);
+ return 0;
+}
- return ret;
+/*
+ * omap3isp_ccp2_cleanup - CCP2 un-initialization
+ * @isp : Pointer to ISP device
+ */
+void omap3isp_ccp2_cleanup(struct isp_device *isp)
+{
+ struct isp_ccp2_device *ccp2 = &isp->isp_ccp2;
+
+ omap3isp_video_cleanup(&ccp2->video_in);
+ media_entity_cleanup(&ccp2->subdev.entity);
+
+ regulator_put(ccp2->vdds_csib);
}
diff --git a/drivers/media/video/omap3isp/ispcsi2.c b/drivers/media/video/omap3isp/ispcsi2.c
index 69161a682b3d..0c5f1cb9d99d 100644
--- a/drivers/media/video/omap3isp/ispcsi2.c
+++ b/drivers/media/video/omap3isp/ispcsi2.c
@@ -1187,6 +1187,37 @@ static const struct media_entity_operations csi2_media_ops = {
.link_setup = csi2_link_setup,
};
+void omap3isp_csi2_unregister_entities(struct isp_csi2_device *csi2)
+{
+ v4l2_device_unregister_subdev(&csi2->subdev);
+ omap3isp_video_unregister(&csi2->video_out);
+}
+
+int omap3isp_csi2_register_entities(struct isp_csi2_device *csi2,
+ struct v4l2_device *vdev)
+{
+ int ret;
+
+ /* Register the subdev and video nodes. */
+ ret = v4l2_device_register_subdev(vdev, &csi2->subdev);
+ if (ret < 0)
+ goto error;
+
+ ret = omap3isp_video_register(&csi2->video_out, vdev);
+ if (ret < 0)
+ goto error;
+
+ return 0;
+
+error:
+ omap3isp_csi2_unregister_entities(csi2);
+ return ret;
+}
+
+/* -----------------------------------------------------------------------------
+ * ISP CSI2 initialisation and cleanup
+ */
+
/*
* csi2_init_entities - Initialize subdev and media entity.
* @csi2: Pointer to csi2 structure.
@@ -1228,57 +1259,23 @@ static int csi2_init_entities(struct isp_csi2_device *csi2)
ret = omap3isp_video_init(&csi2->video_out, "CSI2a");
if (ret < 0)
- return ret;
+ goto error_video;
/* Connect the CSI2 subdev to the video node. */
ret = media_entity_create_link(&csi2->subdev.entity, CSI2_PAD_SOURCE,
&csi2->video_out.video.entity, 0, 0);
if (ret < 0)
- return ret;
+ goto error_link;
return 0;
-}
-void omap3isp_csi2_unregister_entities(struct isp_csi2_device *csi2)
-{
+error_link:
+ omap3isp_video_cleanup(&csi2->video_out);
+error_video:
media_entity_cleanup(&csi2->subdev.entity);
-
- v4l2_device_unregister_subdev(&csi2->subdev);
- omap3isp_video_unregister(&csi2->video_out);
-}
-
-int omap3isp_csi2_register_entities(struct isp_csi2_device *csi2,
- struct v4l2_device *vdev)
-{
- int ret;
-
- /* Register the subdev and video nodes. */
- ret = v4l2_device_register_subdev(vdev, &csi2->subdev);
- if (ret < 0)
- goto error;
-
- ret = omap3isp_video_register(&csi2->video_out, vdev);
- if (ret < 0)
- goto error;
-
- return 0;
-
-error:
- omap3isp_csi2_unregister_entities(csi2);
return ret;
}
-/* -----------------------------------------------------------------------------
- * ISP CSI2 initialisation and cleanup
- */
-
-/*
- * omap3isp_csi2_cleanup - Routine for module driver cleanup
- */
-void omap3isp_csi2_cleanup(struct isp_device *isp)
-{
-}
-
/*
* omap3isp_csi2_init - Routine for module driver init
*/
@@ -1298,7 +1295,7 @@ int omap3isp_csi2_init(struct isp_device *isp)
ret = csi2_init_entities(csi2a);
if (ret < 0)
- goto fail;
+ return ret;
if (isp->revision == ISP_REVISION_15_0) {
csi2c->isp = isp;
@@ -1311,7 +1308,15 @@ int omap3isp_csi2_init(struct isp_device *isp)
}
return 0;
-fail:
- omap3isp_csi2_cleanup(isp);
- return ret;
+}
+
+/*
+ * omap3isp_csi2_cleanup - Routine for module driver cleanup
+ */
+void omap3isp_csi2_cleanup(struct isp_device *isp)
+{
+ struct isp_csi2_device *csi2a = &isp->isp_csi2a;
+
+ omap3isp_video_cleanup(&csi2a->video_out);
+ media_entity_cleanup(&csi2a->subdev.entity);
}
diff --git a/drivers/media/video/omap3isp/isph3a_aewb.c b/drivers/media/video/omap3isp/isph3a_aewb.c
index 8068cefd8d89..a3c76bf18175 100644
--- a/drivers/media/video/omap3isp/isph3a_aewb.c
+++ b/drivers/media/video/omap3isp/isph3a_aewb.c
@@ -370,5 +370,5 @@ void omap3isp_h3a_aewb_cleanup(struct isp_device *isp)
{
kfree(isp->isp_aewb.priv);
kfree(isp->isp_aewb.recover_priv);
- omap3isp_stat_free(&isp->isp_aewb);
+ omap3isp_stat_cleanup(&isp->isp_aewb);
}
diff --git a/drivers/media/video/omap3isp/isph3a_af.c b/drivers/media/video/omap3isp/isph3a_af.c
index ba54d0acdecf..58e0bc414899 100644
--- a/drivers/media/video/omap3isp/isph3a_af.c
+++ b/drivers/media/video/omap3isp/isph3a_af.c
@@ -425,5 +425,5 @@ void omap3isp_h3a_af_cleanup(struct isp_device *isp)
{
kfree(isp->isp_af.priv);
kfree(isp->isp_af.recover_priv);
- omap3isp_stat_free(&isp->isp_af);
+ omap3isp_stat_cleanup(&isp->isp_af);
}
diff --git a/drivers/media/video/omap3isp/isphist.c b/drivers/media/video/omap3isp/isphist.c
index 1743856b30d1..1163907bcddc 100644
--- a/drivers/media/video/omap3isp/isphist.c
+++ b/drivers/media/video/omap3isp/isphist.c
@@ -516,5 +516,5 @@ void omap3isp_hist_cleanup(struct isp_device *isp)
if (HIST_USING_DMA(&isp->isp_hist))
omap_free_dma(isp->isp_hist.dma_ch);
kfree(isp->isp_hist.priv);
- omap3isp_stat_free(&isp->isp_hist);
+ omap3isp_stat_cleanup(&isp->isp_hist);
}
diff --git a/drivers/media/video/omap3isp/isppreview.c b/drivers/media/video/omap3isp/isppreview.c
index aba537af87e4..ccb876fe023f 100644
--- a/drivers/media/video/omap3isp/isppreview.c
+++ b/drivers/media/video/omap3isp/isppreview.c
@@ -76,9 +76,51 @@ static struct omap3isp_prev_csc flr_prev_csc = {
#define DEF_DETECT_CORRECT_VAL 0xe
-#define PREV_MIN_WIDTH 64
-#define PREV_MIN_HEIGHT 8
-#define PREV_MAX_HEIGHT 16384
+/*
+ * Margins and image size limits.
+ *
+ * The preview engine crops several rows and columns internally depending on
+ * which filters are enabled. To avoid format changes when the filters are
+ * enabled or disabled (which would prevent them from being turned on or off
+ * during streaming), the driver assumes all the filters are enabled when
+ * computing sink crop and source format limits.
+ *
+ * If a filter is disabled, additional cropping is automatically added at the
+ * preview engine input by the driver to avoid overflow at line and frame end.
+ * This is completely transparent for applications.
+ *
+ * Median filter 4 pixels
+ * Noise filter,
+ * Faulty pixels correction 4 pixels, 4 lines
+ * CFA filter 4 pixels, 4 lines in Bayer mode
+ * 2 lines in other modes
+ * Color suppression 2 pixels
+ * or luma enhancement
+ * -------------------------------------------------------------
+ * Maximum total 14 pixels, 8 lines
+ *
+ * The color suppression and luma enhancement filters are applied after bayer to
+ * YUV conversion. They thus can crop one pixel on the left and one pixel on the
+ * right side of the image without changing the color pattern. When both those
+ * filters are disabled, the driver must crop the two pixels on the same side of
+ * the image to avoid changing the bayer pattern. The left margin is thus set to
+ * 8 pixels and the right margin to 6 pixels.
+ */
+
+#define PREV_MARGIN_LEFT 8
+#define PREV_MARGIN_RIGHT 6
+#define PREV_MARGIN_TOP 4
+#define PREV_MARGIN_BOTTOM 4
+
+#define PREV_MIN_IN_WIDTH 64
+#define PREV_MIN_IN_HEIGHT 8
+#define PREV_MAX_IN_HEIGHT 16384
+
+#define PREV_MIN_OUT_WIDTH 0
+#define PREV_MIN_OUT_HEIGHT 0
+#define PREV_MAX_OUT_WIDTH 1280
+#define PREV_MAX_OUT_WIDTH_ES2 3300
+#define PREV_MAX_OUT_WIDTH_3630 4096
/*
* Coeficient Tables for the submodules in Preview.
@@ -979,52 +1021,36 @@ static void preview_config_averager(struct isp_prev_device *prev, u8 average)
* enabled when reporting source pad formats to userspace. If this assumption is
* not true, rows and columns must be manually cropped at the preview engine
* input to avoid overflows at the end of lines and frames.
+ *
+ * See the explanation at the PREV_MARGIN_* definitions for more details.
*/
static void preview_config_input_size(struct isp_prev_device *prev)
{
struct isp_device *isp = to_isp_device(prev);
struct prev_params *params = &prev->params;
- struct v4l2_mbus_framefmt *format = &prev->formats[PREV_PAD_SINK];
- unsigned int sph = 0;
- unsigned int eph = format->width - 1;
- unsigned int slv = 0;
- unsigned int elv = format->height - 1;
-
- if (prev->input == PREVIEW_INPUT_CCDC) {
- sph += 2;
- eph -= 2;
+ unsigned int sph = prev->crop.left;
+ unsigned int eph = prev->crop.left + prev->crop.width - 1;
+ unsigned int slv = prev->crop.top;
+ unsigned int elv = prev->crop.top + prev->crop.height - 1;
+
+ if (params->features & PREV_CFA) {
+ sph -= 2;
+ eph += 2;
+ slv -= 2;
+ elv += 2;
}
-
- /*
- * Median filter 4 pixels
- * Noise filter 4 pixels, 4 lines
- * or faulty pixels correction
- * CFA filter 4 pixels, 4 lines in Bayer mode
- * 2 lines in other modes
- * Color suppression 2 pixels
- * or luma enhancement
- * -------------------------------------------------------------
- * Maximum total 14 pixels, 8 lines
- */
-
- if (!(params->features & PREV_CFA)) {
- sph += 2;
- eph -= 2;
- slv += 2;
- elv -= 2;
+ if (params->features & (PREV_DEFECT_COR | PREV_NOISE_FILTER)) {
+ sph -= 2;
+ eph += 2;
+ slv -= 2;
+ elv += 2;
}
- if (!(params->features & (PREV_DEFECT_COR | PREV_NOISE_FILTER))) {
- sph += 2;
- eph -= 2;
- slv += 2;
- elv -= 2;
+ if (params->features & PREV_HORZ_MEDIAN_FILTER) {
+ sph -= 2;
+ eph += 2;
}
- if (!(params->features & PREV_HORZ_MEDIAN_FILTER)) {
- sph += 2;
- eph -= 2;
- }
- if (!(params->features & (PREV_CHROMA_SUPPRESS | PREV_LUMA_ENHANCE)))
- sph += 2;
+ if (params->features & (PREV_CHROMA_SUPPRESS | PREV_LUMA_ENHANCE))
+ sph -= 2;
isp_reg_writel(isp, (sph << ISPPRV_HORZ_INFO_SPH_SHIFT) | eph,
OMAP3_ISP_IOMEM_PREV, ISPPRV_HORZ_INFO);
@@ -1228,7 +1254,6 @@ static void preview_init_params(struct isp_prev_device *prev)
/* Init values */
params->contrast = ISPPRV_CONTRAST_DEF * ISPPRV_CONTRAST_UNITS;
params->brightness = ISPPRV_BRIGHT_DEF * ISPPRV_BRIGHT_UNITS;
- params->average = NO_AVE;
params->cfa.format = OMAP3ISP_CFAFMT_BAYER;
memcpy(params->cfa.table, cfa_coef_table,
sizeof(params->cfa.table));
@@ -1281,14 +1306,14 @@ static unsigned int preview_max_out_width(struct isp_prev_device *prev)
switch (isp->revision) {
case ISP_REVISION_1_0:
- return ISPPRV_MAXOUTPUT_WIDTH;
+ return PREV_MAX_OUT_WIDTH;
case ISP_REVISION_2_0:
default:
- return ISPPRV_MAXOUTPUT_WIDTH_ES2;
+ return PREV_MAX_OUT_WIDTH_ES2;
case ISP_REVISION_15_0:
- return ISPPRV_MAXOUTPUT_WIDTH_3630;
+ return PREV_MAX_OUT_WIDTH_3630;
}
}
@@ -1296,8 +1321,6 @@ static void preview_configure(struct isp_prev_device *prev)
{
struct isp_device *isp = to_isp_device(prev);
struct v4l2_mbus_framefmt *format;
- unsigned int max_out_width;
- unsigned int format_avg;
preview_setup_hw(prev);
@@ -1335,10 +1358,7 @@ static void preview_configure(struct isp_prev_device *prev)
preview_config_outlineoffset(prev,
ALIGN(format->width, 0x10) * 2);
- max_out_width = preview_max_out_width(prev);
-
- format_avg = fls(DIV_ROUND_UP(format->width, max_out_width) - 1);
- preview_config_averager(prev, format_avg);
+ preview_config_averager(prev, 0);
preview_config_ycpos(prev, format->code);
}
@@ -1597,6 +1617,16 @@ __preview_get_format(struct isp_prev_device *prev, struct v4l2_subdev_fh *fh,
return &prev->formats[pad];
}
+static struct v4l2_rect *
+__preview_get_crop(struct isp_prev_device *prev, struct v4l2_subdev_fh *fh,
+ enum v4l2_subdev_format_whence which)
+{
+ if (which == V4L2_SUBDEV_FORMAT_TRY)
+ return v4l2_subdev_get_try_crop(fh, PREV_PAD_SINK);
+ else
+ return &prev->crop;
+}
+
/* previewer format descriptions */
static const unsigned int preview_input_fmts[] = {
V4L2_MBUS_FMT_SGRBG10_1X10,
@@ -1611,24 +1641,25 @@ static const unsigned int preview_output_fmts[] = {
};
/*
- * preview_try_format - Handle try format by pad subdev method
- * @prev: ISP preview device
- * @fh : V4L2 subdev file handle
- * @pad: pad num
- * @fmt: pointer to v4l2 format structure
+ * preview_try_format - Validate a format
+ * @prev: ISP preview engine
+ * @fh: V4L2 subdev file handle
+ * @pad: pad number
+ * @fmt: format to be validated
+ * @which: try/active format selector
+ *
+ * Validate and adjust the given format for the given pad based on the preview
+ * engine limits and the format and crop rectangles on other pads.
*/
static void preview_try_format(struct isp_prev_device *prev,
struct v4l2_subdev_fh *fh, unsigned int pad,
struct v4l2_mbus_framefmt *fmt,
enum v4l2_subdev_format_whence which)
{
- struct v4l2_mbus_framefmt *format;
- unsigned int max_out_width;
enum v4l2_mbus_pixelcode pixelcode;
+ struct v4l2_rect *crop;
unsigned int i;
- max_out_width = preview_max_out_width(prev);
-
switch (pad) {
case PREV_PAD_SINK:
/* When reading data from the CCDC, the input size has already
@@ -1641,10 +1672,11 @@ static void preview_try_format(struct isp_prev_device *prev,
* filter array interpolation.
*/
if (prev->input == PREVIEW_INPUT_MEMORY) {
- fmt->width = clamp_t(u32, fmt->width, PREV_MIN_WIDTH,
- max_out_width * 8);
- fmt->height = clamp_t(u32, fmt->height, PREV_MIN_HEIGHT,
- PREV_MAX_HEIGHT);
+ fmt->width = clamp_t(u32, fmt->width, PREV_MIN_IN_WIDTH,
+ preview_max_out_width(prev));
+ fmt->height = clamp_t(u32, fmt->height,
+ PREV_MIN_IN_HEIGHT,
+ PREV_MAX_IN_HEIGHT);
}
fmt->colorspace = V4L2_COLORSPACE_SRGB;
@@ -1661,15 +1693,8 @@ static void preview_try_format(struct isp_prev_device *prev,
case PREV_PAD_SOURCE:
pixelcode = fmt->code;
- format = __preview_get_format(prev, fh, PREV_PAD_SINK, which);
- memcpy(fmt, format, sizeof(*fmt));
+ *fmt = *__preview_get_format(prev, fh, PREV_PAD_SINK, which);
- /* The preview module output size is configurable through the
- * input interface (horizontal and vertical cropping) and the
- * averager (horizontal scaling by 1/1, 1/2, 1/4 or 1/8). In
- * spite of this, hardcode the output size to the biggest
- * possible value for simplicity reasons.
- */
switch (pixelcode) {
case V4L2_MBUS_FMT_YUYV8_1X16:
case V4L2_MBUS_FMT_UYVY8_1X16:
@@ -1681,31 +1706,14 @@ static void preview_try_format(struct isp_prev_device *prev,
break;
}
- /* The TRM states (12.1.4.7.1.2) that 2 pixels must be cropped
- * from the left and right sides when the input source is the
- * CCDC. This seems not to be needed in practice, investigation
- * is required.
- */
- if (prev->input == PREVIEW_INPUT_CCDC)
- fmt->width -= 4;
-
- /* The preview module can output a maximum of 3312 pixels
- * horizontally due to fixed memory-line sizes. Compute the
- * horizontal averaging factor accordingly. Note that the limit
- * applies to the noise filter and CFA interpolation blocks, so
- * it doesn't take cropping by further blocks into account.
- *
- * ES 1.0 hardware revision is limited to 1280 pixels
- * horizontally.
- */
- fmt->width >>= fls(DIV_ROUND_UP(fmt->width, max_out_width) - 1);
-
- /* Assume that all blocks are enabled and crop pixels and lines
- * accordingly. See preview_config_input_size() for more
- * information.
+ /* The preview module output size is configurable through the
+ * averager (horizontal scaling by 1/1, 1/2, 1/4 or 1/8). This
+ * is not supported yet, hardcode the output size to the crop
+ * rectangle size.
*/
- fmt->width -= 14;
- fmt->height -= 8;
+ crop = __preview_get_crop(prev, fh, which);
+ fmt->width = crop->width;
+ fmt->height = crop->height;
fmt->colorspace = V4L2_COLORSPACE_JPEG;
break;
@@ -1715,6 +1723,49 @@ static void preview_try_format(struct isp_prev_device *prev,
}
/*
+ * preview_try_crop - Validate a crop rectangle
+ * @prev: ISP preview engine
+ * @sink: format on the sink pad
+ * @crop: crop rectangle to be validated
+ *
+ * The preview engine crops lines and columns for its internal operation,
+ * depending on which filters are enabled. Enforce minimum crop margins to
+ * handle that transparently for userspace.
+ *
+ * See the explanation at the PREV_MARGIN_* definitions for more details.
+ */
+static void preview_try_crop(struct isp_prev_device *prev,
+ const struct v4l2_mbus_framefmt *sink,
+ struct v4l2_rect *crop)
+{
+ unsigned int left = PREV_MARGIN_LEFT;
+ unsigned int right = sink->width - PREV_MARGIN_RIGHT;
+ unsigned int top = PREV_MARGIN_TOP;
+ unsigned int bottom = sink->height - PREV_MARGIN_BOTTOM;
+
+ /* When processing data on-the-fly from the CCDC, at least 2 pixels must
+ * be cropped from the left and right sides of the image. As we don't
+ * know which filters will be enabled, increase the left and right
+ * margins by two.
+ */
+ if (prev->input == PREVIEW_INPUT_CCDC) {
+ left += 2;
+ right -= 2;
+ }
+
+ /* Restrict left/top to even values to keep the Bayer pattern. */
+ crop->left &= ~1;
+ crop->top &= ~1;
+
+ crop->left = clamp_t(u32, crop->left, left, right - PREV_MIN_OUT_WIDTH);
+ crop->top = clamp_t(u32, crop->top, top, bottom - PREV_MIN_OUT_HEIGHT);
+ crop->width = clamp_t(u32, crop->width, PREV_MIN_OUT_WIDTH,
+ right - crop->left);
+ crop->height = clamp_t(u32, crop->height, PREV_MIN_OUT_HEIGHT,
+ bottom - crop->top);
+}
+
+/*
* preview_enum_mbus_code - Handle pixel format enumeration
* @sd : pointer to v4l2 subdev structure
* @fh : V4L2 subdev file handle
@@ -1776,6 +1827,60 @@ static int preview_enum_frame_size(struct v4l2_subdev *sd,
}
/*
+ * preview_get_crop - Retrieve the crop rectangle on a pad
+ * @sd: ISP preview V4L2 subdevice
+ * @fh: V4L2 subdev file handle
+ * @crop: crop rectangle
+ *
+ * Return 0 on success or a negative error code otherwise.
+ */
+static int preview_get_crop(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
+ struct v4l2_subdev_crop *crop)
+{
+ struct isp_prev_device *prev = v4l2_get_subdevdata(sd);
+
+ /* Cropping is only supported on the sink pad. */
+ if (crop->pad != PREV_PAD_SINK)
+ return -EINVAL;
+
+ crop->rect = *__preview_get_crop(prev, fh, crop->which);
+ return 0;
+}
+
+/*
+ * preview_set_crop - Retrieve the crop rectangle on a pad
+ * @sd: ISP preview V4L2 subdevice
+ * @fh: V4L2 subdev file handle
+ * @crop: crop rectangle
+ *
+ * Return 0 on success or a negative error code otherwise.
+ */
+static int preview_set_crop(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
+ struct v4l2_subdev_crop *crop)
+{
+ struct isp_prev_device *prev = v4l2_get_subdevdata(sd);
+ struct v4l2_mbus_framefmt *format;
+
+ /* Cropping is only supported on the sink pad. */
+ if (crop->pad != PREV_PAD_SINK)
+ return -EINVAL;
+
+ /* The crop rectangle can't be changed while streaming. */
+ if (prev->state != ISP_PIPELINE_STREAM_STOPPED)
+ return -EBUSY;
+
+ format = __preview_get_format(prev, fh, PREV_PAD_SINK, crop->which);
+ preview_try_crop(prev, format, &crop->rect);
+ *__preview_get_crop(prev, fh, crop->which) = crop->rect;
+
+ /* Update the source format. */
+ format = __preview_get_format(prev, fh, PREV_PAD_SOURCE, crop->which);
+ preview_try_format(prev, fh, PREV_PAD_SOURCE, format, crop->which);
+
+ return 0;
+}
+
+/*
* preview_get_format - Handle get format by pads subdev method
* @sd : pointer to v4l2 subdev structure
* @fh : V4L2 subdev file handle
@@ -1808,6 +1913,7 @@ static int preview_set_format(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
{
struct isp_prev_device *prev = v4l2_get_subdevdata(sd);
struct v4l2_mbus_framefmt *format;
+ struct v4l2_rect *crop;
format = __preview_get_format(prev, fh, fmt->pad, fmt->which);
if (format == NULL)
@@ -1818,9 +1924,18 @@ static int preview_set_format(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
/* Propagate the format from sink to source */
if (fmt->pad == PREV_PAD_SINK) {
+ /* Reset the crop rectangle. */
+ crop = __preview_get_crop(prev, fh, fmt->which);
+ crop->left = 0;
+ crop->top = 0;
+ crop->width = fmt->format.width;
+ crop->height = fmt->format.height;
+
+ preview_try_crop(prev, &fmt->format, crop);
+
+ /* Update the source format. */
format = __preview_get_format(prev, fh, PREV_PAD_SOURCE,
fmt->which);
- *format = fmt->format;
preview_try_format(prev, fh, PREV_PAD_SOURCE, format,
fmt->which);
}
@@ -1869,6 +1984,8 @@ static const struct v4l2_subdev_pad_ops preview_v4l2_pad_ops = {
.enum_frame_size = preview_enum_frame_size,
.get_fmt = preview_get_format,
.set_fmt = preview_set_format,
+ .get_crop = preview_get_crop,
+ .set_crop = preview_set_crop,
};
/* subdev operations */
@@ -1966,8 +2083,44 @@ static const struct media_entity_operations preview_media_ops = {
.link_setup = preview_link_setup,
};
+void omap3isp_preview_unregister_entities(struct isp_prev_device *prev)
+{
+ v4l2_device_unregister_subdev(&prev->subdev);
+ omap3isp_video_unregister(&prev->video_in);
+ omap3isp_video_unregister(&prev->video_out);
+}
+
+int omap3isp_preview_register_entities(struct isp_prev_device *prev,
+ struct v4l2_device *vdev)
+{
+ int ret;
+
+ /* Register the subdev and video nodes. */
+ ret = v4l2_device_register_subdev(vdev, &prev->subdev);
+ if (ret < 0)
+ goto error;
+
+ ret = omap3isp_video_register(&prev->video_in, vdev);
+ if (ret < 0)
+ goto error;
+
+ ret = omap3isp_video_register(&prev->video_out, vdev);
+ if (ret < 0)
+ goto error;
+
+ return 0;
+
+error:
+ omap3isp_preview_unregister_entities(prev);
+ return ret;
+}
+
+/* -----------------------------------------------------------------------------
+ * ISP previewer initialisation and cleanup
+ */
+
/*
- * review_init_entities - Initialize subdev and media entity.
+ * preview_init_entities - Initialize subdev and media entity.
* @prev : Pointer to preview structure
* return -ENOMEM or zero on success
*/
@@ -2024,69 +2177,34 @@ static int preview_init_entities(struct isp_prev_device *prev)
ret = omap3isp_video_init(&prev->video_in, "preview");
if (ret < 0)
- return ret;
+ goto error_video_in;
ret = omap3isp_video_init(&prev->video_out, "preview");
if (ret < 0)
- return ret;
+ goto error_video_out;
/* Connect the video nodes to the previewer subdev. */
ret = media_entity_create_link(&prev->video_in.video.entity, 0,
&prev->subdev.entity, PREV_PAD_SINK, 0);
if (ret < 0)
- return ret;
+ goto error_link;
ret = media_entity_create_link(&prev->subdev.entity, PREV_PAD_SOURCE,
&prev->video_out.video.entity, 0, 0);
if (ret < 0)
- return ret;
+ goto error_link;
return 0;
-}
-void omap3isp_preview_unregister_entities(struct isp_prev_device *prev)
-{
+error_link:
+ omap3isp_video_cleanup(&prev->video_out);
+error_video_out:
+ omap3isp_video_cleanup(&prev->video_in);
+error_video_in:
media_entity_cleanup(&prev->subdev.entity);
-
- v4l2_device_unregister_subdev(&prev->subdev);
- v4l2_ctrl_handler_free(&prev->ctrls);
- omap3isp_video_unregister(&prev->video_in);
- omap3isp_video_unregister(&prev->video_out);
-}
-
-int omap3isp_preview_register_entities(struct isp_prev_device *prev,
- struct v4l2_device *vdev)
-{
- int ret;
-
- /* Register the subdev and video nodes. */
- ret = v4l2_device_register_subdev(vdev, &prev->subdev);
- if (ret < 0)
- goto error;
-
- ret = omap3isp_video_register(&prev->video_in, vdev);
- if (ret < 0)
- goto error;
-
- ret = omap3isp_video_register(&prev->video_out, vdev);
- if (ret < 0)
- goto error;
-
- return 0;
-
-error:
- omap3isp_preview_unregister_entities(prev);
return ret;
}
-/* -----------------------------------------------------------------------------
- * ISP previewer initialisation and cleanup
- */
-
-void omap3isp_preview_cleanup(struct isp_device *isp)
-{
-}
-
/*
* isp_preview_init - Previewer initialization.
* @dev : Pointer to ISP device
@@ -2095,19 +2213,20 @@ void omap3isp_preview_cleanup(struct isp_device *isp)
int omap3isp_preview_init(struct isp_device *isp)
{
struct isp_prev_device *prev = &isp->isp_prev;
- int ret;
spin_lock_init(&prev->lock);
init_waitqueue_head(&prev->wait);
preview_init_params(prev);
- ret = preview_init_entities(prev);
- if (ret < 0)
- goto out;
+ return preview_init_entities(prev);
+}
-out:
- if (ret)
- omap3isp_preview_cleanup(isp);
+void omap3isp_preview_cleanup(struct isp_device *isp)
+{
+ struct isp_prev_device *prev = &isp->isp_prev;
- return ret;
+ v4l2_ctrl_handler_free(&prev->ctrls);
+ omap3isp_video_cleanup(&prev->video_in);
+ omap3isp_video_cleanup(&prev->video_out);
+ media_entity_cleanup(&prev->subdev.entity);
}
diff --git a/drivers/media/video/omap3isp/isppreview.h b/drivers/media/video/omap3isp/isppreview.h
index fa943bd05c7f..f54e775c2df4 100644
--- a/drivers/media/video/omap3isp/isppreview.h
+++ b/drivers/media/video/omap3isp/isppreview.h
@@ -45,11 +45,6 @@
#define ISPPRV_CONTRAST_HIGH 0xFF
#define ISPPRV_CONTRAST_UNITS 0x1
-#define NO_AVE 0x0
-#define AVE_2_PIX 0x1
-#define AVE_4_PIX 0x2
-#define AVE_8_PIX 0x3
-
/* Features list */
#define PREV_LUMA_ENHANCE OMAP3ISP_PREV_LUMAENH
#define PREV_INVERSE_ALAW OMAP3ISP_PREV_INVALAW
@@ -106,7 +101,6 @@ enum preview_ycpos_mode {
* @rgb2ycbcr: RGB to ycbcr parameters.
* @hmed: Horizontal median filter.
* @yclimit: YC limits parameters.
- * @average: Downsampling rate for averager.
* @contrast: Contrast.
* @brightness: Brightness.
*/
@@ -124,7 +118,6 @@ struct prev_params {
struct omap3isp_prev_csc rgb2ycbcr;
struct omap3isp_prev_hmed hmed;
struct omap3isp_prev_yclimit yclimit;
- u8 average;
u8 contrast;
u8 brightness;
};
@@ -159,6 +152,7 @@ struct isptables_update {
* @subdev: V4L2 subdevice
* @pads: Media entity pads
* @formats: Active formats at the subdev pad
+ * @crop: Active crop rectangle
* @input: Module currently connected to the input pad
* @output: Bitmask of the active output
* @video_in: Input video entity
@@ -177,6 +171,7 @@ struct isp_prev_device {
struct v4l2_subdev subdev;
struct media_pad pads[PREV_PADS_NUM];
struct v4l2_mbus_framefmt formats[PREV_PADS_NUM];
+ struct v4l2_rect crop;
struct v4l2_ctrl_handler ctrls;
diff --git a/drivers/media/video/omap3isp/ispreg.h b/drivers/media/video/omap3isp/ispreg.h
index 69f6af6f6b9c..084ea77d65a7 100644
--- a/drivers/media/video/omap3isp/ispreg.h
+++ b/drivers/media/video/omap3isp/ispreg.h
@@ -402,9 +402,6 @@
#define ISPPRV_YENH_TABLE_ADDR 0x1000
#define ISPPRV_CFA_TABLE_ADDR 0x1400
-#define ISPPRV_MAXOUTPUT_WIDTH 1280
-#define ISPPRV_MAXOUTPUT_WIDTH_ES2 3300
-#define ISPPRV_MAXOUTPUT_WIDTH_3630 4096
#define ISPRSZ_MIN_OUTPUT 64
#define ISPRSZ_MAX_OUTPUT 3312
diff --git a/drivers/media/video/omap3isp/ispresizer.c b/drivers/media/video/omap3isp/ispresizer.c
index 0bb0f8cd36f5..50e593bfcfaf 100644
--- a/drivers/media/video/omap3isp/ispresizer.c
+++ b/drivers/media/video/omap3isp/ispresizer.c
@@ -1608,6 +1608,42 @@ static const struct media_entity_operations resizer_media_ops = {
.link_setup = resizer_link_setup,
};
+void omap3isp_resizer_unregister_entities(struct isp_res_device *res)
+{
+ v4l2_device_unregister_subdev(&res->subdev);
+ omap3isp_video_unregister(&res->video_in);
+ omap3isp_video_unregister(&res->video_out);
+}
+
+int omap3isp_resizer_register_entities(struct isp_res_device *res,
+ struct v4l2_device *vdev)
+{
+ int ret;
+
+ /* Register the subdev and video nodes. */
+ ret = v4l2_device_register_subdev(vdev, &res->subdev);
+ if (ret < 0)
+ goto error;
+
+ ret = omap3isp_video_register(&res->video_in, vdev);
+ if (ret < 0)
+ goto error;
+
+ ret = omap3isp_video_register(&res->video_out, vdev);
+ if (ret < 0)
+ goto error;
+
+ return 0;
+
+error:
+ omap3isp_resizer_unregister_entities(res);
+ return ret;
+}
+
+/* -----------------------------------------------------------------------------
+ * ISP resizer initialization and cleanup
+ */
+
/*
* resizer_init_entities - Initialize resizer subdev and media entity.
* @res : Pointer to resizer device structure
@@ -1652,68 +1688,34 @@ static int resizer_init_entities(struct isp_res_device *res)
ret = omap3isp_video_init(&res->video_in, "resizer");
if (ret < 0)
- return ret;
+ goto error_video_in;
ret = omap3isp_video_init(&res->video_out, "resizer");
if (ret < 0)
- return ret;
+ goto error_video_out;
/* Connect the video nodes to the resizer subdev. */
ret = media_entity_create_link(&res->video_in.video.entity, 0,
&res->subdev.entity, RESZ_PAD_SINK, 0);
if (ret < 0)
- return ret;
+ goto error_link;
ret = media_entity_create_link(&res->subdev.entity, RESZ_PAD_SOURCE,
&res->video_out.video.entity, 0, 0);
if (ret < 0)
- return ret;
+ goto error_link;
return 0;
-}
-void omap3isp_resizer_unregister_entities(struct isp_res_device *res)
-{
+error_link:
+ omap3isp_video_cleanup(&res->video_out);
+error_video_out:
+ omap3isp_video_cleanup(&res->video_in);
+error_video_in:
media_entity_cleanup(&res->subdev.entity);
-
- v4l2_device_unregister_subdev(&res->subdev);
- omap3isp_video_unregister(&res->video_in);
- omap3isp_video_unregister(&res->video_out);
-}
-
-int omap3isp_resizer_register_entities(struct isp_res_device *res,
- struct v4l2_device *vdev)
-{
- int ret;
-
- /* Register the subdev and video nodes. */
- ret = v4l2_device_register_subdev(vdev, &res->subdev);
- if (ret < 0)
- goto error;
-
- ret = omap3isp_video_register(&res->video_in, vdev);
- if (ret < 0)
- goto error;
-
- ret = omap3isp_video_register(&res->video_out, vdev);
- if (ret < 0)
- goto error;
-
- return 0;
-
-error:
- omap3isp_resizer_unregister_entities(res);
return ret;
}
-/* -----------------------------------------------------------------------------
- * ISP resizer initialization and cleanup
- */
-
-void omap3isp_resizer_cleanup(struct isp_device *isp)
-{
-}
-
/*
* isp_resizer_init - Resizer initialization.
* @isp : Pointer to ISP device
@@ -1722,17 +1724,17 @@ void omap3isp_resizer_cleanup(struct isp_device *isp)
int omap3isp_resizer_init(struct isp_device *isp)
{
struct isp_res_device *res = &isp->isp_res;
- int ret;
init_waitqueue_head(&res->wait);
atomic_set(&res->stopping, 0);
- ret = resizer_init_entities(res);
- if (ret < 0)
- goto out;
+ return resizer_init_entities(res);
+}
-out:
- if (ret)
- omap3isp_resizer_cleanup(isp);
+void omap3isp_resizer_cleanup(struct isp_device *isp)
+{
+ struct isp_res_device *res = &isp->isp_res;
- return ret;
+ omap3isp_video_cleanup(&res->video_in);
+ omap3isp_video_cleanup(&res->video_out);
+ media_entity_cleanup(&res->subdev.entity);
}
diff --git a/drivers/media/video/omap3isp/ispstat.c b/drivers/media/video/omap3isp/ispstat.c
index 732905552261..68d539456c55 100644
--- a/drivers/media/video/omap3isp/ispstat.c
+++ b/drivers/media/video/omap3isp/ispstat.c
@@ -1023,24 +1023,6 @@ void omap3isp_stat_dma_isr(struct ispstat *stat)
__stat_isr(stat, 1);
}
-static int isp_stat_init_entities(struct ispstat *stat, const char *name,
- const struct v4l2_subdev_ops *sd_ops)
-{
- struct v4l2_subdev *subdev = &stat->subdev;
- struct media_entity *me = &subdev->entity;
-
- v4l2_subdev_init(subdev, sd_ops);
- snprintf(subdev->name, V4L2_SUBDEV_NAME_SIZE, "OMAP3 ISP %s", name);
- subdev->grp_id = 1 << 16; /* group ID for isp subdevs */
- subdev->flags |= V4L2_SUBDEV_FL_HAS_EVENTS | V4L2_SUBDEV_FL_HAS_DEVNODE;
- v4l2_set_subdevdata(subdev, stat);
-
- stat->pad.flags = MEDIA_PAD_FL_SINK;
- me->ops = NULL;
-
- return media_entity_init(me, 1, &stat->pad, 0);
-}
-
int omap3isp_stat_subscribe_event(struct v4l2_subdev *subdev,
struct v4l2_fh *fh,
struct v4l2_event_subscription *sub)
@@ -1062,7 +1044,6 @@ int omap3isp_stat_unsubscribe_event(struct v4l2_subdev *subdev,
void omap3isp_stat_unregister_entities(struct ispstat *stat)
{
- media_entity_cleanup(&stat->subdev.entity);
v4l2_device_unregister_subdev(&stat->subdev);
}
@@ -1072,21 +1053,50 @@ int omap3isp_stat_register_entities(struct ispstat *stat,
return v4l2_device_register_subdev(vdev, &stat->subdev);
}
+static int isp_stat_init_entities(struct ispstat *stat, const char *name,
+ const struct v4l2_subdev_ops *sd_ops)
+{
+ struct v4l2_subdev *subdev = &stat->subdev;
+ struct media_entity *me = &subdev->entity;
+
+ v4l2_subdev_init(subdev, sd_ops);
+ snprintf(subdev->name, V4L2_SUBDEV_NAME_SIZE, "OMAP3 ISP %s", name);
+ subdev->grp_id = 1 << 16; /* group ID for isp subdevs */
+ subdev->flags |= V4L2_SUBDEV_FL_HAS_EVENTS | V4L2_SUBDEV_FL_HAS_DEVNODE;
+ v4l2_set_subdevdata(subdev, stat);
+
+ stat->pad.flags = MEDIA_PAD_FL_SINK;
+ me->ops = NULL;
+
+ return media_entity_init(me, 1, &stat->pad, 0);
+}
+
int omap3isp_stat_init(struct ispstat *stat, const char *name,
const struct v4l2_subdev_ops *sd_ops)
{
+ int ret;
+
stat->buf = kcalloc(STAT_MAX_BUFS, sizeof(*stat->buf), GFP_KERNEL);
if (!stat->buf)
return -ENOMEM;
+
isp_stat_buf_clear(stat);
mutex_init(&stat->ioctl_lock);
atomic_set(&stat->buf_err, 0);
- return isp_stat_init_entities(stat, name, sd_ops);
+ ret = isp_stat_init_entities(stat, name, sd_ops);
+ if (ret < 0) {
+ mutex_destroy(&stat->ioctl_lock);
+ kfree(stat->buf);
+ }
+
+ return ret;
}
-void omap3isp_stat_free(struct ispstat *stat)
+void omap3isp_stat_cleanup(struct ispstat *stat)
{
+ media_entity_cleanup(&stat->subdev.entity);
+ mutex_destroy(&stat->ioctl_lock);
isp_stat_bufs_free(stat);
kfree(stat->buf);
}
diff --git a/drivers/media/video/omap3isp/ispstat.h b/drivers/media/video/omap3isp/ispstat.h
index d86da94fa50d..9b7c8654dc8a 100644
--- a/drivers/media/video/omap3isp/ispstat.h
+++ b/drivers/media/video/omap3isp/ispstat.h
@@ -144,7 +144,7 @@ int omap3isp_stat_request_statistics(struct ispstat *stat,
struct omap3isp_stat_data *data);
int omap3isp_stat_init(struct ispstat *stat, const char *name,
const struct v4l2_subdev_ops *sd_ops);
-void omap3isp_stat_free(struct ispstat *stat);
+void omap3isp_stat_cleanup(struct ispstat *stat);
int omap3isp_stat_subscribe_event(struct v4l2_subdev *subdev,
struct v4l2_fh *fh,
struct v4l2_event_subscription *sub);
diff --git a/drivers/media/video/omap3isp/ispvideo.c b/drivers/media/video/omap3isp/ispvideo.c
index 0cb8a9f9d675..d1000723c5ae 100644
--- a/drivers/media/video/omap3isp/ispvideo.c
+++ b/drivers/media/video/omap3isp/ispvideo.c
@@ -1325,6 +1325,13 @@ int omap3isp_video_init(struct isp_video *video, const char *name)
return 0;
}
+void omap3isp_video_cleanup(struct isp_video *video)
+{
+ media_entity_cleanup(&video->video.entity);
+ mutex_destroy(&video->stream_lock);
+ mutex_destroy(&video->mutex);
+}
+
int omap3isp_video_register(struct isp_video *video, struct v4l2_device *vdev)
{
int ret;
@@ -1341,8 +1348,6 @@ int omap3isp_video_register(struct isp_video *video, struct v4l2_device *vdev)
void omap3isp_video_unregister(struct isp_video *video)
{
- if (video_is_registered(&video->video)) {
- media_entity_cleanup(&video->video.entity);
+ if (video_is_registered(&video->video))
video_unregister_device(&video->video);
- }
}
diff --git a/drivers/media/video/omap3isp/ispvideo.h b/drivers/media/video/omap3isp/ispvideo.h
index 53160aa24e6e..08cbfa144e6e 100644
--- a/drivers/media/video/omap3isp/ispvideo.h
+++ b/drivers/media/video/omap3isp/ispvideo.h
@@ -190,6 +190,7 @@ struct isp_video_fh {
container_of(q, struct isp_video_fh, queue)
int omap3isp_video_init(struct isp_video *video, const char *name);
+void omap3isp_video_cleanup(struct isp_video *video);
int omap3isp_video_register(struct isp_video *video,
struct v4l2_device *vdev);
void omap3isp_video_unregister(struct isp_video *video);