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Diffstat (limited to 'include/media/v4l2-fwnode.h')
-rw-r--r--include/media/v4l2-fwnode.h85
1 files changed, 47 insertions, 38 deletions
diff --git a/include/media/v4l2-fwnode.h b/include/media/v4l2-fwnode.h
index dd82d6d9764e..c47b70636e42 100644
--- a/include/media/v4l2-fwnode.h
+++ b/include/media/v4l2-fwnode.h
@@ -20,7 +20,6 @@
#include <linux/types.h>
#include <media/v4l2-mediabus.h>
-#include <media/v4l2-subdev.h>
struct fwnode_handle;
struct v4l2_async_notifier;
@@ -110,6 +109,36 @@ struct v4l2_fwnode_endpoint {
};
/**
+ * V4L2_FWNODE_PROPERTY_UNSET - identify a non initialized property
+ *
+ * All properties in &struct v4l2_fwnode_device_properties are initialized
+ * to this value.
+ */
+#define V4L2_FWNODE_PROPERTY_UNSET (-1U)
+
+/**
+ * enum v4l2_fwnode_orientation - possible device orientation
+ * @V4L2_FWNODE_ORIENTATION_FRONT: device installed on the front side
+ * @V4L2_FWNODE_ORIENTATION_BACK: device installed on the back side
+ * @V4L2_FWNODE_ORIENTATION_EXTERNAL: device externally located
+ */
+enum v4l2_fwnode_orientation {
+ V4L2_FWNODE_ORIENTATION_FRONT,
+ V4L2_FWNODE_ORIENTATION_BACK,
+ V4L2_FWNODE_ORIENTATION_EXTERNAL
+};
+
+/**
+ * struct v4l2_fwnode_device_properties - fwnode device properties
+ * @orientation: device orientation. See &enum v4l2_fwnode_orientation
+ * @rotation: device rotation
+ */
+struct v4l2_fwnode_device_properties {
+ enum v4l2_fwnode_orientation orientation;
+ unsigned int rotation;
+};
+
+/**
* struct v4l2_fwnode_link - a link between two endpoints
* @local_node: pointer to device_node of this endpoint
* @local_port: identifier of the port this endpoint belongs to
@@ -355,6 +384,23 @@ int v4l2_fwnode_connector_add_link(struct fwnode_handle *fwnode,
struct v4l2_fwnode_connector *connector);
/**
+ * v4l2_fwnode_device_parse() - parse fwnode device properties
+ * @dev: pointer to &struct device
+ * @props: pointer to &struct v4l2_fwnode_device_properties where to store the
+ * parsed properties values
+ *
+ * This function parses and validates the V4L2 fwnode device properties from the
+ * firmware interface, and fills the @struct v4l2_fwnode_device_properties
+ * provided by the caller.
+ *
+ * Return:
+ * % 0 on success
+ * %-EINVAL if a parsed property value is not valid
+ */
+int v4l2_fwnode_device_parse(struct device *dev,
+ struct v4l2_fwnode_device_properties *props);
+
+/**
* typedef parse_endpoint_func - Driver's callback function to be called on
* each V4L2 fwnode endpoint.
*
@@ -490,43 +536,6 @@ v4l2_async_notifier_parse_fwnode_endpoints_by_port(struct device *dev,
int v4l2_async_notifier_parse_fwnode_sensor_common(struct device *dev,
struct v4l2_async_notifier *notifier);
-/**
- * v4l2_async_register_fwnode_subdev - registers a sub-device to the
- * asynchronous sub-device framework
- * and parses fwnode endpoints
- *
- * @sd: pointer to struct &v4l2_subdev
- * @asd_struct_size: size of the driver's async sub-device struct, including
- * sizeof(struct v4l2_async_subdev). The &struct
- * v4l2_async_subdev shall be the first member of
- * the driver's async sub-device struct, i.e. both
- * begin at the same memory address.
- * @ports: array of port id's to parse for fwnode endpoints. If NULL, will
- * parse all ports owned by the sub-device.
- * @num_ports: number of ports in @ports array. Ignored if @ports is NULL.
- * @parse_endpoint: Driver's callback function called on each V4L2 fwnode
- * endpoint. Optional.
- *
- * This function is just like v4l2_async_register_subdev() with the
- * exception that calling it will also allocate a notifier for the
- * sub-device, parse the sub-device's firmware node endpoints using
- * v4l2_async_notifier_parse_fwnode_endpoints() or
- * v4l2_async_notifier_parse_fwnode_endpoints_by_port(), and
- * registers the sub-device notifier. The sub-device is similarly
- * unregistered by calling v4l2_async_unregister_subdev().
- *
- * While registered, the subdev module is marked as in-use.
- *
- * An error is returned if the module is no longer loaded on any attempts
- * to register it.
- */
-int
-v4l2_async_register_fwnode_subdev(struct v4l2_subdev *sd,
- size_t asd_struct_size,
- unsigned int *ports,
- unsigned int num_ports,
- parse_endpoint_func parse_endpoint);
-
/* Helper macros to access the connector links. */
/** v4l2_connector_last_link - Helper macro to get the first