->getxattr(): pass dentry and inode as separate arguments
[cascardo/linux.git] / include / drm / drm_of.h
index 8544665..3fd87b3 100644 (file)
@@ -1,9 +1,12 @@
 #ifndef __DRM_OF_H__
 #define __DRM_OF_H__
 
+#include <linux/of_graph.h>
+
 struct component_master_ops;
 struct device;
 struct drm_device;
+struct drm_encoder;
 struct device_node;
 
 #ifdef CONFIG_OF
@@ -12,6 +15,9 @@ extern uint32_t drm_of_find_possible_crtcs(struct drm_device *dev,
 extern int drm_of_component_probe(struct device *dev,
                                  int (*compare_of)(struct device *, void *),
                                  const struct component_master_ops *m_ops);
+extern int drm_of_encoder_active_endpoint(struct device_node *node,
+                                         struct drm_encoder *encoder,
+                                         struct of_endpoint *endpoint);
 #else
 static inline uint32_t drm_of_find_possible_crtcs(struct drm_device *dev,
                                                  struct device_node *port)
@@ -26,6 +32,33 @@ drm_of_component_probe(struct device *dev,
 {
        return -EINVAL;
 }
+
+static inline int drm_of_encoder_active_endpoint(struct device_node *node,
+                                                struct drm_encoder *encoder,
+                                                struct of_endpoint *endpoint)
+{
+       return -EINVAL;
+}
 #endif
 
+static inline int drm_of_encoder_active_endpoint_id(struct device_node *node,
+                                                   struct drm_encoder *encoder)
+{
+       struct of_endpoint endpoint;
+       int ret = drm_of_encoder_active_endpoint(node, encoder,
+                                                &endpoint);
+
+       return ret ?: endpoint.id;
+}
+
+static inline int drm_of_encoder_active_port_id(struct device_node *node,
+                                               struct drm_encoder *encoder)
+{
+       struct of_endpoint endpoint;
+       int ret = drm_of_encoder_active_endpoint(node, encoder,
+                                                &endpoint);
+
+       return ret ?: endpoint.port;
+}
+
 #endif /* __DRM_OF_H__ */