[PATCH 3/9] v4l: vsp1: Share the CLU, LIF and LUT set_fmt pad operation code
Laurent Pinchart
laurent.pinchart+renesas at ideasonboard.com
Sun Dec 3 10:57:29 UTC 2017
The implementation of the set_fmt pad operation is identical in the
three modules. Move it to a generic helper function.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas at ideasonboard.com>
---
drivers/media/platform/vsp1/vsp1_clu.c | 65 +++++----------------------
drivers/media/platform/vsp1/vsp1_entity.c | 75 +++++++++++++++++++++++++++++++
drivers/media/platform/vsp1/vsp1_entity.h | 6 +++
drivers/media/platform/vsp1/vsp1_lif.c | 65 +++++----------------------
drivers/media/platform/vsp1/vsp1_lut.c | 65 +++++----------------------
5 files changed, 116 insertions(+), 160 deletions(-)
diff --git a/drivers/media/platform/vsp1/vsp1_clu.c b/drivers/media/platform/vsp1/vsp1_clu.c
index f2fb26e5ab4e..bc931a3ab498 100644
--- a/drivers/media/platform/vsp1/vsp1_clu.c
+++ b/drivers/media/platform/vsp1/vsp1_clu.c
@@ -118,18 +118,18 @@ static const struct v4l2_ctrl_config clu_mode_control = {
* V4L2 Subdevice Pad Operations
*/
+static const unsigned int clu_codes[] = {
+ MEDIA_BUS_FMT_ARGB8888_1X32,
+ MEDIA_BUS_FMT_AHSV8888_1X32,
+ MEDIA_BUS_FMT_AYUV8_1X32,
+};
+
static int clu_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,
- };
-
- return vsp1_subdev_enum_mbus_code(subdev, cfg, code, codes,
- ARRAY_SIZE(codes));
+ return vsp1_subdev_enum_mbus_code(subdev, cfg, code, clu_codes,
+ ARRAY_SIZE(clu_codes));
}
static int clu_enum_frame_size(struct v4l2_subdev *subdev,
@@ -145,51 +145,10 @@ static int clu_set_format(struct v4l2_subdev *subdev,
struct v4l2_subdev_pad_config *cfg,
struct v4l2_subdev_format *fmt)
{
- struct vsp1_clu *clu = to_clu(subdev);
- struct v4l2_subdev_pad_config *config;
- struct v4l2_mbus_framefmt *format;
- int ret = 0;
-
- mutex_lock(&clu->entity.lock);
-
- config = vsp1_entity_get_pad_config(&clu->entity, cfg, fmt->which);
- if (!config) {
- ret = -EINVAL;
- goto done;
- }
-
- /* 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(&clu->entity, config, fmt->pad);
-
- if (fmt->pad == CLU_PAD_SOURCE) {
- /* The CLU output format can't be modified. */
- fmt->format = *format;
- goto done;
- }
-
- format->code = fmt->format.code;
- format->width = clamp_t(unsigned int, fmt->format.width,
- CLU_MIN_SIZE, CLU_MAX_SIZE);
- format->height = clamp_t(unsigned int, fmt->format.height,
- CLU_MIN_SIZE, CLU_MAX_SIZE);
- format->field = V4L2_FIELD_NONE;
- format->colorspace = V4L2_COLORSPACE_SRGB;
-
- fmt->format = *format;
-
- /* Propagate the format to the source pad. */
- format = vsp1_entity_get_pad_format(&clu->entity, config,
- CLU_PAD_SOURCE);
- *format = fmt->format;
-
-done:
- mutex_unlock(&clu->entity.lock);
- return ret;
+ return vsp1_subdev_set_pad_format(subdev, cfg, fmt, clu_codes,
+ ARRAY_SIZE(clu_codes),
+ CLU_MIN_SIZE, CLU_MIN_SIZE,
+ CLU_MAX_SIZE, CLU_MAX_SIZE);
}
/* -----------------------------------------------------------------------------
diff --git a/drivers/media/platform/vsp1/vsp1_entity.c b/drivers/media/platform/vsp1/vsp1_entity.c
index 54de15095709..0fa310f1a8d1 100644
--- a/drivers/media/platform/vsp1/vsp1_entity.c
+++ b/drivers/media/platform/vsp1/vsp1_entity.c
@@ -311,6 +311,81 @@ int vsp1_subdev_enum_frame_size(struct v4l2_subdev *subdev,
return ret;
}
+/*
+ * vsp1_subdev_set_pad_format - Subdev pad set_fmt handler
+ * @subdev: V4L2 subdevice
+ * @cfg: V4L2 subdev pad configuration
+ * @fmt: V4L2 subdev format
+ * @codes: Array of supported media bus codes
+ * @ncodes: Number of supported media bus codes
+ * @min_width: Minimum image width
+ * @min_height: Minimum image height
+ * @max_width: Maximum image width
+ * @max_height: Maximum image height
+ *
+ * This function implements the subdev set_fmt pad operation for entities that
+ * do not support scaling or cropping. It defaults to the first supplied media
+ * bus code if the requested code isn't supported, clamps the size to the
+ * supplied minimum and maximum, and propagates the sink pad format to the
+ * source pad.
+ */
+int vsp1_subdev_set_pad_format(struct v4l2_subdev *subdev,
+ struct v4l2_subdev_pad_config *cfg,
+ struct v4l2_subdev_format *fmt,
+ const unsigned int *codes, unsigned int ncodes,
+ unsigned int min_width, unsigned int min_height,
+ unsigned int max_width, unsigned int max_height)
+{
+ struct vsp1_entity *entity = to_vsp1_entity(subdev);
+ struct v4l2_subdev_pad_config *config;
+ struct v4l2_mbus_framefmt *format;
+ unsigned int i;
+ int ret = 0;
+
+ mutex_lock(&entity->lock);
+
+ config = vsp1_entity_get_pad_config(entity, cfg, fmt->which);
+ if (!config) {
+ ret = -EINVAL;
+ goto done;
+ }
+
+ format = vsp1_entity_get_pad_format(entity, config, fmt->pad);
+
+ if (fmt->pad != 0) {
+ /* The output format can't be modified. */
+ fmt->format = *format;
+ goto done;
+ }
+
+ /*
+ * Default to the first media bus code if the requested format is not
+ * supported.
+ */
+ for (i = 0; i < ncodes; ++i) {
+ if (fmt->format.code == codes[i])
+ break;
+ }
+
+ format->code = i < ncodes ? codes[i] : codes[0];
+ format->width = clamp_t(unsigned int, fmt->format.width,
+ min_width, max_width);
+ format->height = clamp_t(unsigned int, fmt->format.height,
+ min_height, max_height);
+ format->field = V4L2_FIELD_NONE;
+ format->colorspace = V4L2_COLORSPACE_SRGB;
+
+ fmt->format = *format;
+
+ /* Propagate the format to the source pad. */
+ format = vsp1_entity_get_pad_format(entity, config, 1);
+ *format = fmt->format;
+
+done:
+ mutex_unlock(&entity->lock);
+ return ret;
+}
+
/* -----------------------------------------------------------------------------
* Media Operations
*/
diff --git a/drivers/media/platform/vsp1/vsp1_entity.h b/drivers/media/platform/vsp1/vsp1_entity.h
index 408602ebeb97..319e053737fd 100644
--- a/drivers/media/platform/vsp1/vsp1_entity.h
+++ b/drivers/media/platform/vsp1/vsp1_entity.h
@@ -162,6 +162,12 @@ struct media_pad *vsp1_entity_remote_pad(struct media_pad *pad);
int vsp1_subdev_get_pad_format(struct v4l2_subdev *subdev,
struct v4l2_subdev_pad_config *cfg,
struct v4l2_subdev_format *fmt);
+int vsp1_subdev_set_pad_format(struct v4l2_subdev *subdev,
+ struct v4l2_subdev_pad_config *cfg,
+ struct v4l2_subdev_format *fmt,
+ const unsigned int *codes, unsigned int ncodes,
+ unsigned int min_width, unsigned int min_height,
+ unsigned int max_width, unsigned int max_height);
int vsp1_subdev_enum_mbus_code(struct v4l2_subdev *subdev,
struct v4l2_subdev_pad_config *cfg,
struct v4l2_subdev_mbus_code_enum *code,
diff --git a/drivers/media/platform/vsp1/vsp1_lif.c b/drivers/media/platform/vsp1/vsp1_lif.c
index e6fa16d7fda8..ad56629450ec 100644
--- a/drivers/media/platform/vsp1/vsp1_lif.c
+++ b/drivers/media/platform/vsp1/vsp1_lif.c
@@ -37,17 +37,17 @@ static inline void vsp1_lif_write(struct vsp1_lif *lif, struct vsp1_dl_list *dl,
* V4L2 Subdevice Operations
*/
+static const unsigned int lif_codes[] = {
+ MEDIA_BUS_FMT_ARGB8888_1X32,
+ MEDIA_BUS_FMT_AYUV8_1X32,
+};
+
static int lif_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_AYUV8_1X32,
- };
-
- return vsp1_subdev_enum_mbus_code(subdev, cfg, code, codes,
- ARRAY_SIZE(codes));
+ return vsp1_subdev_enum_mbus_code(subdev, cfg, code, lif_codes,
+ ARRAY_SIZE(lif_codes));
}
static int lif_enum_frame_size(struct v4l2_subdev *subdev,
@@ -63,53 +63,10 @@ static int lif_set_format(struct v4l2_subdev *subdev,
struct v4l2_subdev_pad_config *cfg,
struct v4l2_subdev_format *fmt)
{
- struct vsp1_lif *lif = to_lif(subdev);
- struct v4l2_subdev_pad_config *config;
- struct v4l2_mbus_framefmt *format;
- int ret = 0;
-
- mutex_lock(&lif->entity.lock);
-
- config = vsp1_entity_get_pad_config(&lif->entity, cfg, fmt->which);
- if (!config) {
- ret = -EINVAL;
- goto done;
- }
-
- /* 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_AYUV8_1X32)
- fmt->format.code = MEDIA_BUS_FMT_AYUV8_1X32;
-
- format = vsp1_entity_get_pad_format(&lif->entity, config, fmt->pad);
-
- if (fmt->pad == LIF_PAD_SOURCE) {
- /*
- * The LIF source format is always identical to its sink
- * format.
- */
- fmt->format = *format;
- goto done;
- }
-
- format->code = fmt->format.code;
- format->width = clamp_t(unsigned int, fmt->format.width,
- LIF_MIN_SIZE, LIF_MAX_SIZE);
- format->height = clamp_t(unsigned int, fmt->format.height,
- LIF_MIN_SIZE, LIF_MAX_SIZE);
- format->field = V4L2_FIELD_NONE;
- format->colorspace = V4L2_COLORSPACE_SRGB;
-
- fmt->format = *format;
-
- /* Propagate the format to the source pad. */
- format = vsp1_entity_get_pad_format(&lif->entity, config,
- LIF_PAD_SOURCE);
- *format = fmt->format;
-
-done:
- mutex_unlock(&lif->entity.lock);
- return ret;
+ return vsp1_subdev_set_pad_format(subdev, cfg, fmt, lif_codes,
+ ARRAY_SIZE(lif_codes),
+ LIF_MIN_SIZE, LIF_MIN_SIZE,
+ LIF_MAX_SIZE, LIF_MAX_SIZE);
}
static const struct v4l2_subdev_pad_ops lif_pad_ops = {
diff --git a/drivers/media/platform/vsp1/vsp1_lut.c b/drivers/media/platform/vsp1/vsp1_lut.c
index c67cc60db0db..63f8127a65a4 100644
--- a/drivers/media/platform/vsp1/vsp1_lut.c
+++ b/drivers/media/platform/vsp1/vsp1_lut.c
@@ -94,18 +94,18 @@ static const struct v4l2_ctrl_config lut_table_control = {
* V4L2 Subdevice Pad Operations
*/
+static const unsigned int lut_codes[] = {
+ MEDIA_BUS_FMT_ARGB8888_1X32,
+ MEDIA_BUS_FMT_AHSV8888_1X32,
+ MEDIA_BUS_FMT_AYUV8_1X32,
+};
+
static int lut_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,
- };
-
- return vsp1_subdev_enum_mbus_code(subdev, cfg, code, codes,
- ARRAY_SIZE(codes));
+ return vsp1_subdev_enum_mbus_code(subdev, cfg, code, lut_codes,
+ ARRAY_SIZE(lut_codes));
}
static int lut_enum_frame_size(struct v4l2_subdev *subdev,
@@ -121,51 +121,10 @@ static int lut_set_format(struct v4l2_subdev *subdev,
struct v4l2_subdev_pad_config *cfg,
struct v4l2_subdev_format *fmt)
{
- struct vsp1_lut *lut = to_lut(subdev);
- struct v4l2_subdev_pad_config *config;
- struct v4l2_mbus_framefmt *format;
- int ret = 0;
-
- mutex_lock(&lut->entity.lock);
-
- config = vsp1_entity_get_pad_config(&lut->entity, cfg, fmt->which);
- if (!config) {
- ret = -EINVAL;
- goto done;
- }
-
- /* 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(&lut->entity, config, fmt->pad);
-
- if (fmt->pad == LUT_PAD_SOURCE) {
- /* The LUT output format can't be modified. */
- fmt->format = *format;
- goto done;
- }
-
- format->code = fmt->format.code;
- format->width = clamp_t(unsigned int, fmt->format.width,
- LUT_MIN_SIZE, LUT_MAX_SIZE);
- format->height = clamp_t(unsigned int, fmt->format.height,
- LUT_MIN_SIZE, LUT_MAX_SIZE);
- format->field = V4L2_FIELD_NONE;
- format->colorspace = V4L2_COLORSPACE_SRGB;
-
- fmt->format = *format;
-
- /* Propagate the format to the source pad. */
- format = vsp1_entity_get_pad_format(&lut->entity, config,
- LUT_PAD_SOURCE);
- *format = fmt->format;
-
-done:
- mutex_unlock(&lut->entity.lock);
- return ret;
+ return vsp1_subdev_set_pad_format(subdev, cfg, fmt, lut_codes,
+ ARRAY_SIZE(lut_codes),
+ LUT_MIN_SIZE, LUT_MIN_SIZE,
+ LUT_MAX_SIZE, LUT_MAX_SIZE);
}
/* -----------------------------------------------------------------------------
--
Regards,
Laurent Pinchart
More information about the dri-devel
mailing list