The code will be shared with the HGT entity, move it to the generic
histogram implementation.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
---
drivers/media/platform/vsp1/vsp1_drv.c | 7 +-
drivers/media/platform/vsp1/vsp1_hgo.c | 308 ++--------------------------
drivers/media/platform/vsp1/vsp1_hgo.h | 7 +-
drivers/media/platform/vsp1/vsp1_histo.c | 334 +++++++++++++++++++++++++++++--
drivers/media/platform/vsp1/vsp1_histo.h | 25 ++-
5 files changed, 355 insertions(+), 326 deletions(-)
diff --git a/drivers/media/platform/vsp1/vsp1_drv.c b/drivers/media/platform/vsp1/vsp1_drv.c
index 0b53280be150..1d6e87105752 100644
--- a/drivers/media/platform/vsp1/vsp1_drv.c
+++ b/drivers/media/platform/vsp1/vsp1_drv.c
@@ -151,8 +151,8 @@ static int vsp1_uapi_create_links(struct vsp1_device *vsp1)
}
if (vsp1->hgo) {
- ret = media_create_pad_link(&vsp1->hgo->entity.subdev.entity,
- HGO_PAD_SOURCE,
+ ret = media_create_pad_link(&vsp1->hgo->histo.entity.subdev.entity,
+ HISTO_PAD_SOURCE,
&vsp1->hgo->histo.video.entity, 0,
MEDIA_LNK_FL_ENABLED |
MEDIA_LNK_FL_IMMUTABLE);
@@ -298,7 +298,8 @@ static int vsp1_create_entities(struct vsp1_device *vsp1)
goto done;
}
- list_add_tail(&vsp1->hgo->entity.list_dev, &vsp1->entities);
+ list_add_tail(&vsp1->hgo->histo.entity.list_dev,
+ &vsp1->entities);
}
/* The LIF is only supported when used in conjunction with the DU, in
diff --git a/drivers/media/platform/vsp1/vsp1_hgo.c b/drivers/media/platform/vsp1/vsp1_hgo.c
index 94bb46f3e12b..2b257ad492db 100644
--- a/drivers/media/platform/vsp1/vsp1_hgo.c
+++ b/drivers/media/platform/vsp1/vsp1_hgo.c
@@ -21,8 +21,6 @@
#include "vsp1_dl.h"
#include "vsp1_hgo.h"
-#define HGO_MIN_SIZE 4U
-#define HGO_MAX_SIZE 8192U
#define HGO_DATA_SIZE ((2 + 256) * 4)
/* -----------------------------------------------------------------------------
@@ -31,7 +29,7 @@
static inline u32 vsp1_hgo_read(struct vsp1_hgo *hgo, u32 reg)
{
- return vsp1_read(hgo->entity.vsp1, reg);
+ return vsp1_read(hgo->histo.entity.vsp1, reg);
}
static inline void vsp1_hgo_write(struct vsp1_hgo *hgo, struct vsp1_dl_list *dl,
@@ -63,7 +61,8 @@ void vsp1_hgo_frame_end(struct vsp1_entity *entity)
*data++ = vsp1_hgo_read(hgo, VI6_HGO_G_SUM);
for (i = 0; i < 256; ++i) {
- vsp1_write(hgo->entity.vsp1, VI6_HGO_EXT_HIST_ADDR, i);
+ vsp1_write(hgo->histo.entity.vsp1,
+ VI6_HGO_EXT_HIST_ADDR, i);
*data++ = vsp1_hgo_read(hgo, VI6_HGO_EXT_HIST_DATA);
}
@@ -129,272 +128,6 @@ static const struct v4l2_ctrl_config hgo_num_bins_control = {
};
/* -----------------------------------------------------------------------------
- * V4L2 Subdevice Operations
- */
-
-static int hgo_enum_mbus_code(struct v4l2_subdev *subdev,
- struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_mbus_code_enum *code)
-{
- static const unsigned int codes[] = {
- MEDIA_BUS_FMT_ARGB8888_1X32,
- MEDIA_BUS_FMT_AHSV8888_1X32,
- MEDIA_BUS_FMT_AYUV8_1X32,
- };
-
- if (code->pad == HGO_PAD_SOURCE) {
- code->code = MEDIA_BUS_FMT_FIXED;
- return 0;
- }
-
- return vsp1_subdev_enum_mbus_code(subdev, cfg, code, codes,
- ARRAY_SIZE(codes));
-}
-
-static int hgo_enum_frame_size(struct v4l2_subdev *subdev,
- struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_frame_size_enum *fse)
-{
- if (fse->pad != HGO_PAD_SINK)
- return -EINVAL;
-
- return vsp1_subdev_enum_frame_size(subdev, cfg, fse, HGO_MIN_SIZE,
- HGO_MIN_SIZE, HGO_MAX_SIZE,
- HGO_MAX_SIZE);
-}
-
-static int hgo_get_selection(struct v4l2_subdev *subdev,
- struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_selection *sel)
-{
- struct vsp1_hgo *hgo = to_hgo(subdev);
- struct v4l2_subdev_pad_config *config;
- struct v4l2_mbus_framefmt *format;
- struct v4l2_rect *crop;
-
- if (sel->pad != HGO_PAD_SINK)
- return -EINVAL;
-
- config = vsp1_entity_get_pad_config(&hgo->entity, cfg, sel->which);
- if (!config)
- return -EINVAL;
-
- switch (sel->target) {
- case V4L2_SEL_TGT_COMPOSE_BOUNDS:
- case V4L2_SEL_TGT_COMPOSE_DEFAULT:
- crop = vsp1_entity_get_pad_selection(&hgo->entity, config,
- HGO_PAD_SINK,
- V4L2_SEL_TGT_CROP);
- sel->r.left = 0;
- sel->r.top = 0;
- sel->r.width = crop->width;
- sel->r.height = crop->height;
- return 0;
-
- case V4L2_SEL_TGT_CROP_BOUNDS:
- case V4L2_SEL_TGT_CROP_DEFAULT:
- format = vsp1_entity_get_pad_format(&hgo->entity, config,
- HGO_PAD_SINK);
- sel->r.left = 0;
- sel->r.top = 0;
- sel->r.width = format->width;
- sel->r.height = format->height;
- return 0;
-
- case V4L2_SEL_TGT_COMPOSE:
- case V4L2_SEL_TGT_CROP:
- sel->r = *vsp1_entity_get_pad_selection(&hgo->entity, config,
- sel->pad, sel->target);
- return 0;
-
- default:
- return -EINVAL;
- }
-}
-
-static int hgo_set_crop(struct v4l2_subdev *subdev,
- struct v4l2_subdev_pad_config *config,
- struct v4l2_subdev_selection *sel)
-{
- struct vsp1_hgo *hgo = to_hgo(subdev);
- struct v4l2_mbus_framefmt *format;
- struct v4l2_rect *selection;
-
- /* The crop rectangle must be inside the input frame. */
- format = vsp1_entity_get_pad_format(&hgo->entity, config, HGO_PAD_SINK);
- sel->r.left = clamp_t(unsigned int, sel->r.left, 0, format->width - 1);
- sel->r.top = clamp_t(unsigned int, sel->r.top, 0, format->height - 1);
- sel->r.width = clamp_t(unsigned int, sel->r.width, HGO_MIN_SIZE,
- format->width - sel->r.left);
- sel->r.height = clamp_t(unsigned int, sel->r.height, HGO_MIN_SIZE,
- format->height - sel->r.top);
-
- /* Set the crop rectangle and reset the compose rectangle. */
- selection = vsp1_entity_get_pad_selection(&hgo->entity, config,
- sel->pad, V4L2_SEL_TGT_CROP);
- *selection = sel->r;
-
- selection = vsp1_entity_get_pad_selection(&hgo->entity, config,
- sel->pad,
- V4L2_SEL_TGT_COMPOSE);
- *selection = sel->r;
-
- return 0;
-}
-
-static int hgo_set_compose(struct v4l2_subdev *subdev,
- struct v4l2_subdev_pad_config *config,
- struct v4l2_subdev_selection *sel)
-{
- struct vsp1_hgo *hgo = to_hgo(subdev);
- struct v4l2_rect *compose;
- struct v4l2_rect *crop;
- unsigned int ratio;
-
- /* The compose rectangle is used to configure downscaling, the top left
- * corner is fixed to (0,0) and the size to 1/2 or 1/4 of the crop
- * rectangle.
- */
- sel->r.left = 0;
- sel->r.top = 0;
-
- crop = vsp1_entity_get_pad_selection(&hgo->entity, config, sel->pad,
- V4L2_SEL_TGT_CROP);
-
- /* Clamp the width and height to acceptable values first and then
- * compute the closest rounded dividing ratio.
- *
- * Ratio Rounded ratio
- * --------------------------
- * [1.0 1.5[ 1
- * [1.5 3.0[ 2
- * [3.0 4.0] 4
- *
- * The rounded ratio can be computed using
- *
- * 1 << (ceil(ratio * 2) / 3)
- */
- sel->r.width = clamp(sel->r.width, crop->width / 4, crop->width);
- ratio = 1 << (crop->width * 2 / sel->r.width / 3);
- sel->r.width = crop->width / ratio;
-
-
- sel->r.height = clamp(sel->r.height, crop->height / 4, crop->height);
- ratio = 1 << (crop->height * 2 / sel->r.height / 3);
- sel->r.height = crop->height / ratio;
-
- compose = vsp1_entity_get_pad_selection(&hgo->entity, config, sel->pad,
- V4L2_SEL_TGT_COMPOSE);
- *compose = sel->r;
-
- return 0;
-}
-
-static int hgo_set_selection(struct v4l2_subdev *subdev,
- struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_selection *sel)
-{
- struct vsp1_hgo *hgo = to_hgo(subdev);
- struct v4l2_subdev_pad_config *config;
-
- if (sel->pad != HGO_PAD_SINK)
- return -EINVAL;
-
- config = vsp1_entity_get_pad_config(&hgo->entity, cfg, sel->which);
- if (!config)
- return -EINVAL;
-
- if (sel->target == V4L2_SEL_TGT_CROP)
- return hgo_set_crop(subdev, config, sel);
- else if (sel->target == V4L2_SEL_TGT_COMPOSE)
- return hgo_set_compose(subdev, config, sel);
- else
- return -EINVAL;
-}
-
-static int hgo_get_format(struct v4l2_subdev *subdev,
- struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_format *fmt)
-{
- if (fmt->pad == HGO_PAD_SOURCE) {
- fmt->format.code = MEDIA_BUS_FMT_FIXED;
- fmt->format.width = 0;
- fmt->format.height = 0;
- fmt->format.field = V4L2_FIELD_NONE;
- fmt->format.colorspace = V4L2_COLORSPACE_RAW;
- return 0;
- }
-
- return vsp1_subdev_get_pad_format(subdev, cfg, fmt);
-}
-
-static int hgo_set_format(struct v4l2_subdev *subdev,
- struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_format *fmt)
-{
- struct vsp1_hgo *hgo = to_hgo(subdev);
- struct v4l2_subdev_pad_config *config;
- struct v4l2_mbus_framefmt *format;
- struct v4l2_rect *selection;
-
- if (fmt->pad != HGO_PAD_SINK)
- return hgo_get_format(subdev, cfg, fmt);
-
- config = vsp1_entity_get_pad_config(&hgo->entity, cfg, fmt->which);
- if (!config)
- return -EINVAL;
-
- /* Default to YUV if the requested format is not supported. */
- if (fmt->format.code != MEDIA_BUS_FMT_ARGB8888_1X32 &&
- fmt->format.code != MEDIA_BUS_FMT_AHSV8888_1X32 &&
- fmt->format.code != MEDIA_BUS_FMT_AYUV8_1X32)
- fmt->format.code = MEDIA_BUS_FMT_AYUV8_1X32;
-
- format = vsp1_entity_get_pad_format(&hgo->entity, config, fmt->pad);
-
- format->code = fmt->format.code;
- format->width = clamp_t(unsigned int, fmt->format.width,
- HGO_MIN_SIZE, HGO_MAX_SIZE);
- format->height = clamp_t(unsigned int, fmt->format.height,
- HGO_MIN_SIZE, HGO_MAX_SIZE);
- format->field = V4L2_FIELD_NONE;
- format->colorspace = V4L2_COLORSPACE_SRGB;
-
- fmt->format = *format;
-
- /* Reset the crop and compose rectangles */
- selection = vsp1_entity_get_pad_selection(&hgo->entity, config,
- fmt->pad, V4L2_SEL_TGT_CROP);
- selection->left = 0;
- selection->top = 0;
- selection->width = format->width;
- selection->height = format->height;
-
- selection = vsp1_entity_get_pad_selection(&hgo->entity, config,
- fmt->pad,
- V4L2_SEL_TGT_COMPOSE);
- selection->left = 0;
- selection->top = 0;
- selection->width = format->width;
- selection->height = format->height;
-
- return 0;
-}
-
-static const struct v4l2_subdev_pad_ops hgo_pad_ops = {
- .enum_mbus_code = hgo_enum_mbus_code,
- .enum_frame_size = hgo_enum_frame_size,
- .get_fmt = hgo_get_format,
- .set_fmt = hgo_set_format,
- .get_selection = hgo_get_selection,
- .set_selection = hgo_set_selection,
-};
-
-static const struct v4l2_subdev_ops hgo_ops = {
- .pad = &hgo_pad_ops,
-};
-
-/* -----------------------------------------------------------------------------
* VSP1 Entity Operations
*/
@@ -412,9 +145,9 @@ static void hgo_configure(struct vsp1_entity *entity,
return;
crop = vsp1_entity_get_pad_selection(entity, entity->config,
- HGO_PAD_SINK, V4L2_SEL_TGT_CROP);
+ HISTO_PAD_SINK, V4L2_SEL_TGT_CROP);
compose = vsp1_entity_get_pad_selection(entity, entity->config,
- HGO_PAD_SINK,
+ HISTO_PAD_SINK,
V4L2_SEL_TGT_COMPOSE);
vsp1_hgo_write(hgo, dl, VI6_HGO_REGRST, VI6_HGO_REGRST_RCLEA);
@@ -441,22 +174,21 @@ static void hgo_configure(struct vsp1_entity *entity,
(vratio << VI6_HGO_MODE_VRATIO_SHIFT));
}
-static void hgo_destroy(struct vsp1_entity *entity)
-{
- struct vsp1_hgo *hgo = to_hgo(&entity->subdev);
-
- vsp1_histogram_cleanup(&hgo->histo);
-}
-
static const struct vsp1_entity_operations hgo_entity_ops = {
.configure = hgo_configure,
- .destroy = hgo_destroy,
+ .destroy = vsp1_histogram_destroy,
};
/* -----------------------------------------------------------------------------
* Initialization and Cleanup
*/
+static const unsigned int hgo_mbus_formats[] = {
+ MEDIA_BUS_FMT_AYUV8_1X32,
+ MEDIA_BUS_FMT_ARGB8888_1X32,
+ MEDIA_BUS_FMT_AHSV8888_1X32,
+};
+
struct vsp1_hgo *vsp1_hgo_create(struct vsp1_device *vsp1)
{
struct vsp1_hgo *hgo;
@@ -466,14 +198,6 @@ struct vsp1_hgo *vsp1_hgo_create(struct vsp1_device *vsp1)
if (hgo == NULL)
return ERR_PTR(-ENOMEM);
- hgo->entity.ops = &hgo_entity_ops;
- hgo->entity.type = VSP1_ENTITY_HGO;
-
- ret = vsp1_entity_init(vsp1, &hgo->entity, "hgo", 2, &hgo_ops,
- MEDIA_ENT_F_PROC_VIDEO_STATISTICS);
- if (ret < 0)
- return ERR_PTR(ret);
-
/* Initialize the control handler. */
v4l2_ctrl_handler_init(&hgo->ctrls.handler,
vsp1->info->gen == 3 ? 2 : 1);
@@ -487,13 +211,15 @@ struct vsp1_hgo *vsp1_hgo_create(struct vsp1_device *vsp1)
hgo->max_rgb = false;
hgo->num_bins = 64;
- hgo->entity.subdev.ctrl_handler = &hgo->ctrls.handler;
+ hgo->histo.entity.subdev.ctrl_handler = &hgo->ctrls.handler;
/* Initialize the video device and queue for statistics data. */
- ret = vsp1_histogram_init(vsp1, &hgo->histo, hgo->entity.subdev.name,
+ ret = vsp1_histogram_init(vsp1, &hgo->histo, VSP1_ENTITY_HGO, "hgo",
+ &hgo_entity_ops, hgo_mbus_formats,
+ ARRAY_SIZE(hgo_mbus_formats),
HGO_DATA_SIZE, V4L2_META_FMT_VSP1_HGO);
if (ret < 0) {
- vsp1_entity_destroy(&hgo->entity);
+ vsp1_entity_destroy(&hgo->histo.entity);
return ERR_PTR(ret);
}
diff --git a/drivers/media/platform/vsp1/vsp1_hgo.h b/drivers/media/platform/vsp1/vsp1_hgo.h
index d677b3fe6023..c6c0b7a80e0c 100644
--- a/drivers/media/platform/vsp1/vsp1_hgo.h
+++ b/drivers/media/platform/vsp1/vsp1_hgo.h
@@ -17,16 +17,11 @@
#include <media/v4l2-ctrls.h>
#include <media/v4l2-subdev.h>
-#include "vsp1_entity.h"
#include "vsp1_histo.h"
struct vsp1_device;
-#define HGO_PAD_SINK 0
-#define HGO_PAD_SOURCE 1
-
struct vsp1_hgo {
- struct vsp1_entity entity;
struct vsp1_histogram histo;
struct {
@@ -41,7 +36,7 @@ struct vsp1_hgo {
static inline struct vsp1_hgo *to_hgo(struct v4l2_subdev *subdev)
{
- return container_of(subdev, struct vsp1_hgo, entity.subdev);
+ return container_of(subdev, struct vsp1_hgo, histo.entity.subdev);
}
struct vsp1_hgo *vsp1_hgo_create(struct vsp1_device *vsp1);
diff --git a/drivers/media/platform/vsp1/vsp1_histo.c b/drivers/media/platform/vsp1/vsp1_histo.c
index 89e162438bd6..382a93fead14 100644
--- a/drivers/media/platform/vsp1/vsp1_histo.c
+++ b/drivers/media/platform/vsp1/vsp1_histo.c
@@ -23,6 +23,9 @@
#include "vsp1_histo.h"
#include "vsp1_pipe.h"
+#define HISTO_MIN_SIZE 4U
+#define HISTO_MAX_SIZE 8192U
+
/* -----------------------------------------------------------------------------
* Buffer Operations
*/
@@ -166,6 +169,275 @@ static const struct vb2_ops histo_video_queue_qops = {
};
/* -----------------------------------------------------------------------------
+ * V4L2 Subdevice Operations
+ */
+
+static int histo_enum_mbus_code(struct v4l2_subdev *subdev,
+ struct v4l2_subdev_pad_config *cfg,
+ struct v4l2_subdev_mbus_code_enum *code)
+{
+ struct vsp1_histogram *histo = subdev_to_histo(subdev);
+
+ if (code->pad == HISTO_PAD_SOURCE) {
+ code->code = MEDIA_BUS_FMT_FIXED;
+ return 0;
+ }
+
+ return vsp1_subdev_enum_mbus_code(subdev, cfg, code, histo->formats,
+ histo->num_formats);
+}
+
+static int histo_enum_frame_size(struct v4l2_subdev *subdev,
+ struct v4l2_subdev_pad_config *cfg,
+ struct v4l2_subdev_frame_size_enum *fse)
+{
+ if (fse->pad != HISTO_PAD_SINK)
+ return -EINVAL;
+
+ return vsp1_subdev_enum_frame_size(subdev, cfg, fse, HISTO_MIN_SIZE,
+ HISTO_MIN_SIZE, HISTO_MAX_SIZE,
+ HISTO_MAX_SIZE);
+}
+
+static int histo_get_selection(struct v4l2_subdev *subdev,
+ struct v4l2_subdev_pad_config *cfg,
+ struct v4l2_subdev_selection *sel)
+{
+ struct vsp1_histogram *histo = subdev_to_histo(subdev);
+ struct v4l2_subdev_pad_config *config;
+ struct v4l2_mbus_framefmt *format;
+ struct v4l2_rect *crop;
+
+ if (sel->pad != HISTO_PAD_SINK)
+ return -EINVAL;
+
+ config = vsp1_entity_get_pad_config(&histo->entity, cfg, sel->which);
+ if (!config)
+ return -EINVAL;
+
+ switch (sel->target) {
+ case V4L2_SEL_TGT_COMPOSE_BOUNDS:
+ case V4L2_SEL_TGT_COMPOSE_DEFAULT:
+ crop = vsp1_entity_get_pad_selection(&histo->entity, config,
+ HISTO_PAD_SINK,
+ V4L2_SEL_TGT_CROP);
+ sel->r.left = 0;
+ sel->r.top = 0;
+ sel->r.width = crop->width;
+ sel->r.height = crop->height;
+ return 0;
+
+ case V4L2_SEL_TGT_CROP_BOUNDS:
+ case V4L2_SEL_TGT_CROP_DEFAULT:
+ format = vsp1_entity_get_pad_format(&histo->entity, config,
+ HISTO_PAD_SINK);
+ sel->r.left = 0;
+ sel->r.top = 0;
+ sel->r.width = format->width;
+ sel->r.height = format->height;
+ return 0;
+
+ case V4L2_SEL_TGT_COMPOSE:
+ case V4L2_SEL_TGT_CROP:
+ sel->r = *vsp1_entity_get_pad_selection(&histo->entity, config,
+ sel->pad, sel->target);
+ return 0;
+
+ default:
+ return -EINVAL;
+ }
+}
+
+static int histo_set_crop(struct v4l2_subdev *subdev,
+ struct v4l2_subdev_pad_config *config,
+ struct v4l2_subdev_selection *sel)
+{
+ struct vsp1_histogram *histo = subdev_to_histo(subdev);
+ struct v4l2_mbus_framefmt *format;
+ struct v4l2_rect *selection;
+
+ /* The crop rectangle must be inside the input frame. */
+ format = vsp1_entity_get_pad_format(&histo->entity, config,
+ HISTO_PAD_SINK);
+ sel->r.left = clamp_t(unsigned int, sel->r.left, 0, format->width - 1);
+ sel->r.top = clamp_t(unsigned int, sel->r.top, 0, format->height - 1);
+ sel->r.width = clamp_t(unsigned int, sel->r.width, HISTO_MIN_SIZE,
+ format->width - sel->r.left);
+ sel->r.height = clamp_t(unsigned int, sel->r.height, HISTO_MIN_SIZE,
+ format->height - sel->r.top);
+
+ /* Set the crop rectangle and reset the compose rectangle. */
+ selection = vsp1_entity_get_pad_selection(&histo->entity, config,
+ sel->pad, V4L2_SEL_TGT_CROP);
+ *selection = sel->r;
+
+ selection = vsp1_entity_get_pad_selection(&histo->entity, config,
+ sel->pad,
+ V4L2_SEL_TGT_COMPOSE);
+ *selection = sel->r;
+
+ return 0;
+}
+
+static int histo_set_compose(struct v4l2_subdev *subdev,
+ struct v4l2_subdev_pad_config *config,
+ struct v4l2_subdev_selection *sel)
+{
+ struct vsp1_histogram *histo = subdev_to_histo(subdev);
+ struct v4l2_rect *compose;
+ struct v4l2_rect *crop;
+ unsigned int ratio;
+
+ /* The compose rectangle is used to configure downscaling, the top left
+ * corner is fixed to (0,0) and the size to 1/2 or 1/4 of the crop
+ * rectangle.
+ */
+ sel->r.left = 0;
+ sel->r.top = 0;
+
+ crop = vsp1_entity_get_pad_selection(&histo->entity, config, sel->pad,
+ V4L2_SEL_TGT_CROP);
+
+ /* Clamp the width and height to acceptable values first and then
+ * compute the closest rounded dividing ratio.
+ *
+ * Ratio Rounded ratio
+ * --------------------------
+ * [1.0 1.5[ 1
+ * [1.5 3.0[ 2
+ * [3.0 4.0] 4
+ *
+ * The rounded ratio can be computed using
+ *
+ * 1 << (ceil(ratio * 2) / 3)
+ */
+ sel->r.width = clamp(sel->r.width, crop->width / 4, crop->width);
+ ratio = 1 << (crop->width * 2 / sel->r.width / 3);
+ sel->r.width = crop->width / ratio;
+
+
+ sel->r.height = clamp(sel->r.height, crop->height / 4, crop->height);
+ ratio = 1 << (crop->height * 2 / sel->r.height / 3);
+ sel->r.height = crop->height / ratio;
+
+ compose = vsp1_entity_get_pad_selection(&histo->entity, config,
+ sel->pad,
+ V4L2_SEL_TGT_COMPOSE);
+ *compose = sel->r;
+
+ return 0;
+}
+
+static int histo_set_selection(struct v4l2_subdev *subdev,
+ struct v4l2_subdev_pad_config *cfg,
+ struct v4l2_subdev_selection *sel)
+{
+ struct vsp1_histogram *histo = subdev_to_histo(subdev);
+ struct v4l2_subdev_pad_config *config;
+
+ if (sel->pad != HISTO_PAD_SINK)
+ return -EINVAL;
+
+ config = vsp1_entity_get_pad_config(&histo->entity, cfg, sel->which);
+ if (!config)
+ return -EINVAL;
+
+ if (sel->target == V4L2_SEL_TGT_CROP)
+ return histo_set_crop(subdev, config, sel);
+ else if (sel->target == V4L2_SEL_TGT_COMPOSE)
+ return histo_set_compose(subdev, config, sel);
+ else
+ return -EINVAL;
+}
+
+static int histo_get_format(struct v4l2_subdev *subdev,
+ struct v4l2_subdev_pad_config *cfg,
+ struct v4l2_subdev_format *fmt)
+{
+ if (fmt->pad == HISTO_PAD_SOURCE) {
+ fmt->format.code = MEDIA_BUS_FMT_FIXED;
+ fmt->format.width = 0;
+ fmt->format.height = 0;
+ fmt->format.field = V4L2_FIELD_NONE;
+ fmt->format.colorspace = V4L2_COLORSPACE_RAW;
+ return 0;
+ }
+
+ return vsp1_subdev_get_pad_format(subdev, cfg, fmt);
+}
+
+static int histo_set_format(struct v4l2_subdev *subdev,
+ struct v4l2_subdev_pad_config *cfg,
+ struct v4l2_subdev_format *fmt)
+{
+ struct vsp1_histogram *histo = subdev_to_histo(subdev);
+ struct v4l2_subdev_pad_config *config;
+ struct v4l2_mbus_framefmt *format;
+ struct v4l2_rect *selection;
+ unsigned int i;
+
+ if (fmt->pad != HISTO_PAD_SINK)
+ return histo_get_format(subdev, cfg, fmt);
+
+ config = vsp1_entity_get_pad_config(&histo->entity, cfg, fmt->which);
+ if (!config)
+ return -EINVAL;
+
+ /* Default to the first format if the requested format is not
+ * supported.
+ */
+ for (i = 0; i < histo->num_formats; ++i) {
+ if (fmt->format.code == histo->formats[i])
+ break;
+ }
+ if (i == histo->num_formats)
+ fmt->format.code = histo->formats[0];
+
+ format = vsp1_entity_get_pad_format(&histo->entity, config, fmt->pad);
+
+ format->code = fmt->format.code;
+ format->width = clamp_t(unsigned int, fmt->format.width,
+ HISTO_MIN_SIZE, HISTO_MAX_SIZE);
+ format->height = clamp_t(unsigned int, fmt->format.height,
+ HISTO_MIN_SIZE, HISTO_MAX_SIZE);
+ format->field = V4L2_FIELD_NONE;
+ format->colorspace = V4L2_COLORSPACE_SRGB;
+
+ fmt->format = *format;
+
+ /* Reset the crop and compose rectangles */
+ selection = vsp1_entity_get_pad_selection(&histo->entity, config,
+ fmt->pad, V4L2_SEL_TGT_CROP);
+ selection->left = 0;
+ selection->top = 0;
+ selection->width = format->width;
+ selection->height = format->height;
+
+ selection = vsp1_entity_get_pad_selection(&histo->entity, config,
+ fmt->pad,
+ V4L2_SEL_TGT_COMPOSE);
+ selection->left = 0;
+ selection->top = 0;
+ selection->width = format->width;
+ selection->height = format->height;
+
+ return 0;
+}
+
+static const struct v4l2_subdev_pad_ops histo_pad_ops = {
+ .enum_mbus_code = histo_enum_mbus_code,
+ .enum_frame_size = histo_enum_frame_size,
+ .get_fmt = histo_get_format,
+ .set_fmt = histo_set_format,
+ .get_selection = histo_get_selection,
+ .set_selection = histo_set_selection,
+};
+
+static const struct v4l2_subdev_ops histo_ops = {
+ .pad = &histo_pad_ops,
+};
+
+/* -----------------------------------------------------------------------------
* V4L2 ioctls
*/
@@ -173,7 +445,7 @@ static int histo_v4l2_querycap(struct file *file, void *fh,
struct v4l2_capability *cap)
{
struct v4l2_fh *vfh = file->private_data;
- struct vsp1_histogram *histo = to_vsp1_histo(vfh->vdev);
+ struct vsp1_histogram *histo = vdev_to_histo(vfh->vdev);
cap->capabilities = V4L2_CAP_DEVICE_CAPS | V4L2_CAP_STREAMING
| V4L2_CAP_VIDEO_CAPTURE_MPLANE
@@ -185,7 +457,7 @@ static int histo_v4l2_querycap(struct file *file, void *fh,
strlcpy(cap->driver, "vsp1", sizeof(cap->driver));
strlcpy(cap->card, histo->video.name, sizeof(cap->card));
snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s",
- dev_name(histo->vsp1->dev));
+ dev_name(histo->entity.vsp1->dev));
return 0;
}
@@ -194,12 +466,12 @@ static int histo_v4l2_enum_format(struct file *file, void *fh,
struct v4l2_fmtdesc *f)
{
struct v4l2_fh *vfh = file->private_data;
- struct vsp1_histogram *histo = to_vsp1_histo(vfh->vdev);
+ struct vsp1_histogram *histo = vdev_to_histo(vfh->vdev);
if (f->index > 0 || f->type != histo->queue.type)
return -EINVAL;
- f->pixelformat = histo->format;
+ f->pixelformat = histo->meta_format;
return 0;
}
@@ -208,7 +480,7 @@ static int histo_v4l2_get_format(struct file *file, void *fh,
struct v4l2_format *format)
{
struct v4l2_fh *vfh = file->private_data;
- struct vsp1_histogram *histo = to_vsp1_histo(vfh->vdev);
+ struct vsp1_histogram *histo = vdev_to_histo(vfh->vdev);
struct v4l2_meta_format *meta = &format->fmt.meta;
if (format->type != histo->queue.type)
@@ -216,7 +488,7 @@ static int histo_v4l2_get_format(struct file *file, void *fh,
memset(meta, 0, sizeof(*meta));
- meta->dataformat = histo->format;
+ meta->dataformat = histo->meta_format;
meta->buffersize = histo->data_size;
return 0;
@@ -251,14 +523,33 @@ static const struct v4l2_file_operations histo_v4l2_fops = {
.mmap = vb2_fop_mmap,
};
+static void vsp1_histogram_cleanup(struct vsp1_histogram *histo)
+{
+ if (video_is_registered(&histo->video))
+ video_unregister_device(&histo->video);
+
+ media_entity_cleanup(&histo->video.entity);
+}
+
+void vsp1_histogram_destroy(struct vsp1_entity *entity)
+{
+ struct vsp1_histogram *histo = subdev_to_histo(&entity->subdev);
+
+ vsp1_histogram_cleanup(histo);
+}
+
int vsp1_histogram_init(struct vsp1_device *vsp1, struct vsp1_histogram *histo,
- const char *name, size_t data_size, u32 format)
+ enum vsp1_entity_type type, const char *name,
+ const struct vsp1_entity_operations *ops,
+ const unsigned int *formats, unsigned int num_formats,
+ size_t data_size, u32 meta_format)
{
int ret;
- histo->vsp1 = vsp1;
+ histo->formats = formats;
+ histo->num_formats = num_formats;
histo->data_size = data_size;
- histo->format = format;
+ histo->meta_format = meta_format;
histo->pad.flags = MEDIA_PAD_FL_SINK;
histo->video.vfl_dir = VFL_DIR_RX;
@@ -268,7 +559,16 @@ int vsp1_histogram_init(struct vsp1_device *vsp1, struct vsp1_histogram *histo,
INIT_LIST_HEAD(&histo->irqqueue);
init_waitqueue_head(&histo->wait_queue);
- /* Initialize the media entity... */
+ /* Initialize the VSP entity... */
+ histo->entity.ops = ops;
+ histo->entity.type = type;
+
+ ret = vsp1_entity_init(vsp1, &histo->entity, name, 2, &histo_ops,
+ MEDIA_ENT_F_PROC_VIDEO_STATISTICS);
+ if (ret < 0)
+ return ret;
+
+ /* ... and the media entity... */
ret = media_entity_pads_init(&histo->video.entity, 1, &histo->pad);
if (ret < 0)
return ret;
@@ -293,10 +593,10 @@ int vsp1_histogram_init(struct vsp1_device *vsp1, struct vsp1_histogram *histo,
histo->queue.ops = &histo_video_queue_qops;
histo->queue.mem_ops = &vb2_vmalloc_memops;
histo->queue.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
- histo->queue.dev = histo->vsp1->dev;
+ histo->queue.dev = vsp1->dev;
ret = vb2_queue_init(&histo->queue);
if (ret < 0) {
- dev_err(histo->vsp1->dev, "failed to initialize vb2 queue\n");
+ dev_err(vsp1->dev, "failed to initialize vb2 queue\n");
goto error;
}
@@ -304,7 +604,7 @@ int vsp1_histogram_init(struct vsp1_device *vsp1, struct vsp1_histogram *histo,
histo->video.queue = &histo->queue;
ret = video_register_device(&histo->video, VFL_TYPE_GRABBER, -1);
if (ret < 0) {
- dev_err(histo->vsp1->dev, "failed to register video device\n");
+ dev_err(vsp1->dev, "failed to register video device\n");
goto error;
}
@@ -314,11 +614,3 @@ error:
vsp1_histogram_cleanup(histo);
return ret;
}
-
-void vsp1_histogram_cleanup(struct vsp1_histogram *histo)
-{
- if (video_is_registered(&histo->video))
- video_unregister_device(&histo->video);
-
- media_entity_cleanup(&histo->video.entity);
-}
diff --git a/drivers/media/platform/vsp1/vsp1_histo.h b/drivers/media/platform/vsp1/vsp1_histo.h
index daf648c490f5..af2874f6031d 100644
--- a/drivers/media/platform/vsp1/vsp1_histo.h
+++ b/drivers/media/platform/vsp1/vsp1_histo.h
@@ -22,9 +22,14 @@
#include <media/v4l2-dev.h>
#include <media/videobuf2-v4l2.h>
+#include "vsp1_entity.h"
+
struct vsp1_device;
struct vsp1_pipeline;
+#define HISTO_PAD_SINK 0
+#define HISTO_PAD_SOURCE 1
+
struct vsp1_histogram_buffer {
struct vb2_v4l2_buffer buf;
struct list_head queue;
@@ -32,14 +37,16 @@ struct vsp1_histogram_buffer {
};
struct vsp1_histogram {
- struct vsp1_device *vsp1;
struct vsp1_pipeline *pipe;
+ struct vsp1_entity entity;
struct video_device video;
struct media_pad pad;
+ const u32 *formats;
+ unsigned int num_formats;
size_t data_size;
- u32 format;
+ u32 meta_format;
struct mutex lock;
struct vb2_queue queue;
@@ -51,14 +58,22 @@ struct vsp1_histogram {
bool readout;
};
-static inline struct vsp1_histogram *to_vsp1_histo(struct video_device *vdev)
+static inline struct vsp1_histogram *vdev_to_histo(struct video_device *vdev)
{
return container_of(vdev, struct vsp1_histogram, video);
}
+static inline struct vsp1_histogram *subdev_to_histo(struct v4l2_subdev *subdev)
+{
+ return container_of(subdev, struct vsp1_histogram, entity.subdev);
+}
+
int vsp1_histogram_init(struct vsp1_device *vsp1, struct vsp1_histogram *histo,
- const char *name, size_t data_size, u32 format);
-void vsp1_histogram_cleanup(struct vsp1_histogram *histo);
+ enum vsp1_entity_type type, const char *name,
+ const struct vsp1_entity_operations *ops,
+ const unsigned int *formats, unsigned int num_formats,
+ size_t data_size, u32 meta_format);
+void vsp1_histogram_destroy(struct vsp1_entity *entity);
struct vsp1_histogram_buffer *
vsp1_histogram_buffer_get(struct vsp1_histogram *histo);
--
Regards,
Laurent Pinchart
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