#include <media/v4l2-subdev.h>
#include "vsp1.h"
+#include "vsp1_dl.h"
#include "vsp1_entity.h"
-bool vsp1_entity_is_streaming(struct vsp1_entity *entity)
-{
- unsigned long flags;
- bool streaming;
-
- spin_lock_irqsave(&entity->lock, flags);
- streaming = entity->streaming;
- spin_unlock_irqrestore(&entity->lock, flags);
-
- return streaming;
-}
-
-int vsp1_entity_set_streaming(struct vsp1_entity *entity, bool streaming)
-{
- unsigned long flags;
- int ret;
-
- spin_lock_irqsave(&entity->lock, flags);
- entity->streaming = streaming;
- spin_unlock_irqrestore(&entity->lock, flags);
-
- if (!streaming)
- return 0;
-
- if (!entity->vsp1->info->uapi || !entity->subdev.ctrl_handler)
- return 0;
-
- ret = v4l2_ctrl_handler_setup(entity->subdev.ctrl_handler);
- if (ret < 0) {
- spin_lock_irqsave(&entity->lock, flags);
- entity->streaming = false;
- spin_unlock_irqrestore(&entity->lock, flags);
- }
-
- return ret;
-}
-
-void vsp1_entity_route_setup(struct vsp1_entity *source)
+void vsp1_entity_route_setup(struct vsp1_entity *source,
+ struct vsp1_dl_list *dl)
{
struct vsp1_entity *sink;
return;
sink = container_of(source->sink, struct vsp1_entity, subdev.entity);
- vsp1_mod_write(source, source->route->reg,
- sink->route->inputs[source->sink_pad]);
+ vsp1_dl_list_write(dl, source->route->reg,
+ sink->route->inputs[source->sink_pad]);
}
/* -----------------------------------------------------------------------------
* V4L2 Subdevice Operations
*/
-struct v4l2_mbus_framefmt *
-vsp1_entity_get_pad_format(struct vsp1_entity *entity,
+/**
+ * vsp1_entity_get_pad_config - Get the pad configuration for an entity
+ * @entity: the entity
+ * @cfg: the TRY pad configuration
+ * @which: configuration selector (ACTIVE or TRY)
+ *
+ * Return the pad configuration requested by the which argument. The TRY
+ * configuration is passed explicitly to the function through the cfg argument
+ * and simply returned when requested. The ACTIVE configuration comes from the
+ * entity structure.
+ */
+struct v4l2_subdev_pad_config *
+vsp1_entity_get_pad_config(struct vsp1_entity *entity,
struct v4l2_subdev_pad_config *cfg,
- unsigned int pad, u32 which)
+ enum v4l2_subdev_format_whence which)
{
switch (which) {
- case V4L2_SUBDEV_FORMAT_TRY:
- return v4l2_subdev_get_try_format(&entity->subdev, cfg, pad);
case V4L2_SUBDEV_FORMAT_ACTIVE:
- return &entity->formats[pad];
+ return entity->config;
+ case V4L2_SUBDEV_FORMAT_TRY:
default:
- return NULL;
+ return cfg;
}
}
+/**
+ * vsp1_entity_get_pad_format - Get a pad format from storage for an entity
+ * @entity: the entity
+ * @cfg: the configuration storage
+ * @pad: the pad number
+ *
+ * Return the format stored in the given configuration for an entity's pad. The
+ * configuration can be an ACTIVE or TRY configuration.
+ */
+struct v4l2_mbus_framefmt *
+vsp1_entity_get_pad_format(struct vsp1_entity *entity,
+ struct v4l2_subdev_pad_config *cfg,
+ unsigned int pad)
+{
+ return v4l2_subdev_get_try_format(&entity->subdev, cfg, pad);
+}
+
+struct v4l2_rect *
+vsp1_entity_get_pad_compose(struct vsp1_entity *entity,
+ struct v4l2_subdev_pad_config *cfg,
+ unsigned int pad)
+{
+ return v4l2_subdev_get_try_compose(&entity->subdev, cfg, pad);
+}
+
/*
- * vsp1_entity_init_formats - Initialize formats on all pads
+ * vsp1_entity_init_cfg - Initialize formats on all pads
* @subdev: V4L2 subdevice
* @cfg: V4L2 subdev pad configuration
*
- * Initialize all pad formats with default values. If cfg is not NULL, try
- * formats are initialized on the file handle. Otherwise active formats are
- * initialized on the device.
+ * Initialize all pad formats with default values in the given pad config. This
+ * function can be used as a handler for the subdev pad::init_cfg operation.
*/
-void vsp1_entity_init_formats(struct v4l2_subdev *subdev,
- struct v4l2_subdev_pad_config *cfg)
+int vsp1_entity_init_cfg(struct v4l2_subdev *subdev,
+ struct v4l2_subdev_pad_config *cfg)
{
struct v4l2_subdev_format format;
unsigned int pad;
v4l2_subdev_call(subdev, pad, set_fmt, cfg, &format);
}
+
+ return 0;
}
-static int vsp1_entity_open(struct v4l2_subdev *subdev,
- struct v4l2_subdev_fh *fh)
+/*
+ * vsp1_subdev_get_pad_format - Subdev pad get_fmt handler
+ * @subdev: V4L2 subdevice
+ * @cfg: V4L2 subdev pad configuration
+ * @fmt: V4L2 subdev format
+ *
+ * This function implements the subdev get_fmt pad operation. It can be used as
+ * a direct drop-in for the operation handler.
+ */
+int vsp1_subdev_get_pad_format(struct v4l2_subdev *subdev,
+ struct v4l2_subdev_pad_config *cfg,
+ struct v4l2_subdev_format *fmt)
{
- vsp1_entity_init_formats(subdev, fh->pad);
+ struct vsp1_entity *entity = to_vsp1_entity(subdev);
+ struct v4l2_subdev_pad_config *config;
+
+ config = vsp1_entity_get_pad_config(entity, cfg, fmt->which);
+ if (!config)
+ return -EINVAL;
+
+ fmt->format = *vsp1_entity_get_pad_format(entity, config, fmt->pad);
return 0;
}
-const struct v4l2_subdev_internal_ops vsp1_subdev_internal_ops = {
- .open = vsp1_entity_open,
-};
+/*
+ * 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
{ VSP1_ENTITY_HST, 0, VI6_DPR_HST_ROUTE, { VI6_DPR_NODE_HST, } },
{ VSP1_ENTITY_LIF, 0, 0, { VI6_DPR_NODE_LIF, } },
{ VSP1_ENTITY_LUT, 0, VI6_DPR_LUT_ROUTE, { VI6_DPR_NODE_LUT, } },
- { VSP1_ENTITY_RPF, 0, VI6_DPR_RPF_ROUTE(0), { VI6_DPR_NODE_RPF(0), } },
- { VSP1_ENTITY_RPF, 1, VI6_DPR_RPF_ROUTE(1), { VI6_DPR_NODE_RPF(1), } },
- { VSP1_ENTITY_RPF, 2, VI6_DPR_RPF_ROUTE(2), { VI6_DPR_NODE_RPF(2), } },
- { VSP1_ENTITY_RPF, 3, VI6_DPR_RPF_ROUTE(3), { VI6_DPR_NODE_RPF(3), } },
- { VSP1_ENTITY_RPF, 4, VI6_DPR_RPF_ROUTE(4), { VI6_DPR_NODE_RPF(4), } },
+ { VSP1_ENTITY_RPF, 0, VI6_DPR_RPF_ROUTE(0), { 0, } },
+ { VSP1_ENTITY_RPF, 1, VI6_DPR_RPF_ROUTE(1), { 0, } },
+ { VSP1_ENTITY_RPF, 2, VI6_DPR_RPF_ROUTE(2), { 0, } },
+ { VSP1_ENTITY_RPF, 3, VI6_DPR_RPF_ROUTE(3), { 0, } },
+ { VSP1_ENTITY_RPF, 4, VI6_DPR_RPF_ROUTE(4), { 0, } },
{ VSP1_ENTITY_SRU, 0, VI6_DPR_SRU_ROUTE, { VI6_DPR_NODE_SRU, } },
{ VSP1_ENTITY_UDS, 0, VI6_DPR_UDS_ROUTE(0), { VI6_DPR_NODE_UDS(0), } },
{ VSP1_ENTITY_UDS, 1, VI6_DPR_UDS_ROUTE(1), { VI6_DPR_NODE_UDS(1), } },
};
int vsp1_entity_init(struct vsp1_device *vsp1, struct vsp1_entity *entity,
- unsigned int num_pads)
+ const char *name, unsigned int num_pads,
+ const struct v4l2_subdev_ops *ops)
{
+ struct v4l2_subdev *subdev;
unsigned int i;
+ int ret;
for (i = 0; i < ARRAY_SIZE(vsp1_routes); ++i) {
if (vsp1_routes[i].type == entity->type &&
if (i == ARRAY_SIZE(vsp1_routes))
return -EINVAL;
- spin_lock_init(&entity->lock);
-
entity->vsp1 = vsp1;
entity->source_pad = num_pads - 1;
- /* Allocate formats and pads. */
- entity->formats = devm_kzalloc(vsp1->dev,
- num_pads * sizeof(*entity->formats),
- GFP_KERNEL);
- if (entity->formats == NULL)
- return -ENOMEM;
-
+ /* Allocate and initialize pads. */
entity->pads = devm_kzalloc(vsp1->dev, num_pads * sizeof(*entity->pads),
GFP_KERNEL);
if (entity->pads == NULL)
return -ENOMEM;
- /* Initialize pads. */
for (i = 0; i < num_pads - 1; ++i)
entity->pads[i].flags = MEDIA_PAD_FL_SINK;
entity->pads[num_pads - 1].flags = MEDIA_PAD_FL_SOURCE;
/* Initialize the media entity. */
- return media_entity_pads_init(&entity->subdev.entity, num_pads,
- entity->pads);
+ ret = media_entity_pads_init(&entity->subdev.entity, num_pads,
+ entity->pads);
+ if (ret < 0)
+ return ret;
+
+ /* Initialize the V4L2 subdev. */
+ subdev = &entity->subdev;
+ v4l2_subdev_init(subdev, ops);
+
+ subdev->entity.ops = &vsp1->media_ops;
+ subdev->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
+
+ snprintf(subdev->name, sizeof(subdev->name), "%s %s",
+ dev_name(vsp1->dev), name);
+
+ vsp1_entity_init_cfg(subdev, NULL);
+
+ /* Allocate the pad configuration to store formats and selection
+ * rectangles.
+ */
+ entity->config = v4l2_subdev_alloc_pad_config(&entity->subdev);
+ if (entity->config == NULL) {
+ media_entity_cleanup(&entity->subdev.entity);
+ return -ENOMEM;
+ }
+
+ return 0;
}
void vsp1_entity_destroy(struct vsp1_entity *entity)
{
+ if (entity->ops && entity->ops->destroy)
+ entity->ops->destroy(entity);
if (entity->subdev.ctrl_handler)
v4l2_ctrl_handler_free(entity->subdev.ctrl_handler);
+ v4l2_subdev_free_pad_config(entity->config);
media_entity_cleanup(&entity->subdev.entity);
}
projects / karo-tx-linux.git / blobdiff