Most of the entities can't perform format conversion and implement the
same media bus enumeration function. Factorize the code into a single
implementation.
Signed-off-by: Laurent Pinchart <laurent.pinchart+rene...@ideasonboard.com>
---
drivers/media/platform/vsp1/vsp1_bru.c | 26 ++---------------
drivers/media/platform/vsp1/vsp1_entity.c | 46 +++++++++++++++++++++++++++++++
drivers/media/platform/vsp1/vsp1_entity.h | 4 +++
drivers/media/platform/vsp1/vsp1_lif.c | 29 ++-----------------
drivers/media/platform/vsp1/vsp1_lut.c | 29 ++-----------------
drivers/media/platform/vsp1/vsp1_sru.c | 29 ++-----------------
drivers/media/platform/vsp1/vsp1_uds.c | 29 ++-----------------
7 files changed, 60 insertions(+), 132 deletions(-)
diff --git a/drivers/media/platform/vsp1/vsp1_bru.c
b/drivers/media/platform/vsp1/vsp1_bru.c
index fa293ee2829d..835593dd88b3 100644
--- a/drivers/media/platform/vsp1/vsp1_bru.c
+++ b/drivers/media/platform/vsp1/vsp1_bru.c
@@ -76,31 +76,9 @@ static int bru_enum_mbus_code(struct v4l2_subdev *subdev,
MEDIA_BUS_FMT_ARGB8888_1X32,
MEDIA_BUS_FMT_AYUV8_1X32,
};
- struct vsp1_bru *bru = to_bru(subdev);
-
- if (code->pad == BRU_PAD_SINK(0)) {
- if (code->index >= ARRAY_SIZE(codes))
- return -EINVAL;
-
- code->code = codes[code->index];
- } else {
- struct v4l2_subdev_pad_config *config;
- struct v4l2_mbus_framefmt *format;
- if (code->index)
- return -EINVAL;
-
- config = vsp1_entity_get_pad_config(&bru->entity, cfg,
- code->which);
- if (!config)
- return -EINVAL;
-
- format = vsp1_entity_get_pad_format(&bru->entity, config,
- BRU_PAD_SINK(0));
- code->code = format->code;
- }
-
- return 0;
+ return vsp1_subdev_enum_mbus_code(subdev, cfg, code, codes,
+ ARRAY_SIZE(codes));
}
static int bru_enum_frame_size(struct v4l2_subdev *subdev,
diff --git a/drivers/media/platform/vsp1/vsp1_entity.c
b/drivers/media/platform/vsp1/vsp1_entity.c
index 5030974f3083..b347442bc662 100644
--- a/drivers/media/platform/vsp1/vsp1_entity.c
+++ b/drivers/media/platform/vsp1/vsp1_entity.c
@@ -141,6 +141,52 @@ int vsp1_subdev_get_pad_format(struct v4l2_subdev *subdev,
return 0;
}
+/*
+ * vsp1_subdev_enum_mbus_code - Subdev pad enum_mbus_code handler
+ * @subdev: V4L2 subdevice
+ * @cfg: V4L2 subdev pad configuration
+ * @code: Media bus code enumeration
+ * @codes: Array of supported media bus codes
+ * @ncodes: Number of supported media bus codes
+ *
+ * This function implements the subdev enum_mbus_code pad operation for
entities
+ * that do not support format conversion. It enumerates the given supported
+ * media bus codes on the sink pad and reports a source pad format identical to
+ * the sink pad.
+ */
+int vsp1_subdev_enum_mbus_code(struct v4l2_subdev *subdev,
+ struct v4l2_subdev_pad_config *cfg,
+ struct v4l2_subdev_mbus_code_enum *code,
+ const unsigned int *codes, unsigned int ncodes)
+{
+ struct vsp1_entity *entity = to_vsp1_entity(subdev);
+
+ if (code->pad == 0) {
+ if (code->index >= ncodes)
+ return -EINVAL;
+
+ code->code = codes[code->index];
+ } else {
+ struct v4l2_subdev_pad_config *config;
+ struct v4l2_mbus_framefmt *format;
+
+ /* The entity can't perform format conversion, the sink format
+ * is always identical to the source format.
+ */
+ if (code->index)
+ return -EINVAL;
+
+ config = vsp1_entity_get_pad_config(entity, cfg, code->which);
+ if (!config)
+ return -EINVAL;
+
+ format = vsp1_entity_get_pad_format(entity, config, 0);
+ code->code = format->code;
+ }
+
+ return 0;
+}
+
/*
-----------------------------------------------------------------------------
* Media Operations
*/
diff --git a/drivers/media/platform/vsp1/vsp1_entity.h
b/drivers/media/platform/vsp1/vsp1_entity.h
index 7845e931138f..fbde42256522 100644
--- a/drivers/media/platform/vsp1/vsp1_entity.h
+++ b/drivers/media/platform/vsp1/vsp1_entity.h
@@ -130,5 +130,9 @@ void vsp1_entity_route_setup(struct vsp1_entity *source,
int vsp1_subdev_get_pad_format(struct v4l2_subdev *subdev,
struct v4l2_subdev_pad_config *cfg,
struct v4l2_subdev_format *fmt);
+int vsp1_subdev_enum_mbus_code(struct v4l2_subdev *subdev,
+ struct v4l2_subdev_pad_config *cfg,
+ struct v4l2_subdev_mbus_code_enum *code,
+ const unsigned int *codes, unsigned int ncodes);
#endif /* __VSP1_ENTITY_H__ */
diff --git a/drivers/media/platform/vsp1/vsp1_lif.c
b/drivers/media/platform/vsp1/vsp1_lif.c
index db698e7d4884..ded4c5a87d4c 100644
--- a/drivers/media/platform/vsp1/vsp1_lif.c
+++ b/drivers/media/platform/vsp1/vsp1_lif.c
@@ -45,34 +45,9 @@ static int lif_enum_mbus_code(struct v4l2_subdev *subdev,
MEDIA_BUS_FMT_ARGB8888_1X32,
MEDIA_BUS_FMT_AYUV8_1X32,
};
- struct vsp1_lif *lif = to_lif(subdev);
-
- if (code->pad == LIF_PAD_SINK) {
- if (code->index >= ARRAY_SIZE(codes))
- return -EINVAL;
-
- code->code = codes[code->index];
- } else {
- struct v4l2_subdev_pad_config *config;
- struct v4l2_mbus_framefmt *format;
-
- /* The LIF can't perform format conversion, the sink format is
- * always identical to the source format.
- */
- if (code->index)
- return -EINVAL;
-
- config = vsp1_entity_get_pad_config(&lif->entity, cfg,
- code->which);
- if (!config)
- return -EINVAL;
- format = vsp1_entity_get_pad_format(&lif->entity, config,
- LIF_PAD_SINK);
- code->code = format->code;
- }
-
- return 0;
+ return vsp1_subdev_enum_mbus_code(subdev, cfg, code, codes,
+ ARRAY_SIZE(codes));
}
static int lif_enum_frame_size(struct v4l2_subdev *subdev,
diff --git a/drivers/media/platform/vsp1/vsp1_lut.c
b/drivers/media/platform/vsp1/vsp1_lut.c
index 6a0f10f71dda..781ea99abccf 100644
--- a/drivers/media/platform/vsp1/vsp1_lut.c
+++ b/drivers/media/platform/vsp1/vsp1_lut.c
@@ -71,34 +71,9 @@ static int lut_enum_mbus_code(struct v4l2_subdev *subdev,
MEDIA_BUS_FMT_AHSV8888_1X32,
MEDIA_BUS_FMT_AYUV8_1X32,
};
- struct vsp1_lut *lut = to_lut(subdev);
-
- if (code->pad == LUT_PAD_SINK) {
- if (code->index >= ARRAY_SIZE(codes))
- return -EINVAL;
-
- code->code = codes[code->index];
- } else {
- struct v4l2_subdev_pad_config *config;
- struct v4l2_mbus_framefmt *format;
-
- /* The LUT can't perform format conversion, the sink format is
- * always identical to the source format.
- */
- if (code->index)
- return -EINVAL;
-
- config = vsp1_entity_get_pad_config(&lut->entity, cfg,
- code->which);
- if (!config)
- return -EINVAL;
- format = vsp1_entity_get_pad_format(&lut->entity, config,
- LUT_PAD_SINK);
- code->code = format->code;
- }
-
- return 0;
+ return vsp1_subdev_enum_mbus_code(subdev, cfg, code, codes,
+ ARRAY_SIZE(codes));
}
static int lut_enum_frame_size(struct v4l2_subdev *subdev,
diff --git a/drivers/media/platform/vsp1/vsp1_sru.c
b/drivers/media/platform/vsp1/vsp1_sru.c
index 38fb4e1e8bae..9dc7c77c74f8 100644
--- a/drivers/media/platform/vsp1/vsp1_sru.c
+++ b/drivers/media/platform/vsp1/vsp1_sru.c
@@ -116,34 +116,9 @@ static int sru_enum_mbus_code(struct v4l2_subdev *subdev,
MEDIA_BUS_FMT_ARGB8888_1X32,
MEDIA_BUS_FMT_AYUV8_1X32,
};
- struct vsp1_sru *sru = to_sru(subdev);
-
- if (code->pad == SRU_PAD_SINK) {
- if (code->index >= ARRAY_SIZE(codes))
- return -EINVAL;
-
- code->code = codes[code->index];
- } else {
- struct v4l2_subdev_pad_config *config;
- struct v4l2_mbus_framefmt *format;
-
- /* The SRU can't perform format conversion, the sink format is
- * always identical to the source format.
- */
- if (code->index)
- return -EINVAL;
- config = vsp1_entity_get_pad_config(&sru->entity, cfg,
- code->which);
- if (!config)
- return -EINVAL;
-
- format = vsp1_entity_get_pad_format(&sru->entity, config,
- SRU_PAD_SINK);
- code->code = format->code;
- }
-
- return 0;
+ return vsp1_subdev_enum_mbus_code(subdev, cfg, code, codes,
+ ARRAY_SIZE(codes));
}
static int sru_enum_frame_size(struct v4l2_subdev *subdev,
diff --git a/drivers/media/platform/vsp1/vsp1_uds.c
b/drivers/media/platform/vsp1/vsp1_uds.c
index 59432c7c29b9..26f7393d278e 100644
--- a/drivers/media/platform/vsp1/vsp1_uds.c
+++ b/drivers/media/platform/vsp1/vsp1_uds.c
@@ -119,34 +119,9 @@ static int uds_enum_mbus_code(struct v4l2_subdev *subdev,
MEDIA_BUS_FMT_ARGB8888_1X32,
MEDIA_BUS_FMT_AYUV8_1X32,
};
- struct vsp1_uds *uds = to_uds(subdev);
-
- if (code->pad == UDS_PAD_SINK) {
- if (code->index >= ARRAY_SIZE(codes))
- return -EINVAL;
-
- code->code = codes[code->index];
- } else {
- struct v4l2_subdev_pad_config *config;
- struct v4l2_mbus_framefmt *format;
-
- config = vsp1_entity_get_pad_config(&uds->entity, cfg,
- code->which);
- if (!config)
- return -EINVAL;
-
- /* The UDS can't perform format conversion, the sink format is
- * always identical to the source format.
- */
- if (code->index)
- return -EINVAL;
- format = vsp1_entity_get_pad_format(&uds->entity, config,
- UDS_PAD_SINK);
- code->code = format->code;
- }
-
- return 0;
+ return vsp1_subdev_enum_mbus_code(subdev, cfg, code, codes,
+ ARRAY_SIZE(codes));
}
static int uds_enum_frame_size(struct v4l2_subdev *subdev,
--
2.7.3
--
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