[linux-2.6-block.git] / include / drm / drm_of.h

#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
extern uint32_t drm_of_find_possible_crtcs(struct drm_device *dev,
					   struct device_node *port);
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)
{
	return 0;
}

static inline int
drm_of_component_probe(struct device *dev,
		       int (*compare_of)(struct device *, void *),
		       const struct component_master_ops *m_ops)
{
	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__ */
Commit	Line	Data
7e435aad RK	1	#ifndef __DRM_OF_H__
	2	#define __DRM_OF_H__
	3
4cacf91f PZ	4	#include <linux/of_graph.h>
4cacf91f PZ	5
df785aa8 LD	6	struct component_master_ops;
df785aa8 LD	7	struct device;
7e435aad	8	struct drm_device;
4cacf91f	9	struct drm_encoder;
7e435aad RK	10	struct device_node;
	11
	12	#ifdef CONFIG_OF
	13	extern uint32_t drm_of_find_possible_crtcs(struct drm_device *dev,
	14	struct device_node *port);
df785aa8 LD	15	extern int drm_of_component_probe(struct device *dev,
	16	int (compare_of)(struct device , void *),
	17	const struct component_master_ops *m_ops);
4cacf91f PZ	18	extern int drm_of_encoder_active_endpoint(struct device_node *node,
	19	struct drm_encoder *encoder,
	20	struct of_endpoint *endpoint);
7e435aad RK	21	#else
	22	static inline uint32_t drm_of_find_possible_crtcs(struct drm_device *dev,
	23	struct device_node *port)
	24	{
	25	return 0;
	26	}
df785aa8 LD	27
	28	static inline int
	29	drm_of_component_probe(struct device *dev,
	30	int (compare_of)(struct device , void *),
	31	const struct component_master_ops *m_ops)
	32	{
	33	return -EINVAL;
	34	}
4cacf91f PZ	35
	36	static inline int drm_of_encoder_active_endpoint(struct device_node *node,
	37	struct drm_encoder *encoder,
	38	struct of_endpoint *endpoint)
	39	{
	40	return -EINVAL;
	41	}
7e435aad RK	42	#endif
7e435aad RK	43
4cacf91f PZ	44	static inline int drm_of_encoder_active_endpoint_id(struct device_node *node,
	45	struct drm_encoder *encoder)
	46	{
	47	struct of_endpoint endpoint;
	48	int ret = drm_of_encoder_active_endpoint(node, encoder,
	49	&endpoint);
	50
	51	return ret ?: endpoint.id;
	52	}
	53
	54	static inline int drm_of_encoder_active_port_id(struct device_node *node,
	55	struct drm_encoder *encoder)
	56	{
	57	struct of_endpoint endpoint;
	58	int ret = drm_of_encoder_active_endpoint(node, encoder,
	59	&endpoint);
	60
	61	return ret ?: endpoint.port;
	62	}
	63
7e435aad	64	#endif /* __DRM_OF_H__ */