[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 component_match;
struct device;
struct drm_device;
struct drm_encoder;
struct drm_panel;
struct drm_bridge;
struct device_node;

#ifdef CONFIG_OF
uint32_t drm_of_find_possible_crtcs(struct drm_device *dev,
				    struct device_node *port);
void drm_of_component_match_add(struct device *master,
				struct component_match **matchptr,
				int (*compare)(struct device *, void *),
				struct device_node *node);
int drm_of_component_probe(struct device *dev,
			   int (*compare_of)(struct device *, void *),
			   const struct component_master_ops *m_ops);
int drm_of_encoder_active_endpoint(struct device_node *node,
				   struct drm_encoder *encoder,
				   struct of_endpoint *endpoint);
int drm_of_find_panel_or_bridge(const struct device_node *np,
				int port, int endpoint,
				struct drm_panel **panel,
				struct drm_bridge **bridge);
#else
static inline uint32_t drm_of_find_possible_crtcs(struct drm_device *dev,
						  struct device_node *port)
{
	return 0;
}

static inline void
drm_of_component_match_add(struct device *master,
			   struct component_match **matchptr,
			   int (*compare)(struct device *, void *),
			   struct device_node *node)
{
}

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;
}
static inline int drm_of_find_panel_or_bridge(const struct device_node *np,
					      int port, int endpoint,
					      struct drm_panel **panel,
					      struct drm_bridge **bridge)
{
	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	6	struct component_master_ops;
97ac0e47	7	struct component_match;
df785aa8	8	struct device;
7e435aad	9	struct drm_device;
4cacf91f	10	struct drm_encoder;
1f2db303 RH	11	struct drm_panel;
1f2db303 RH	12	struct drm_bridge;
7e435aad RK	13	struct device_node;
	14
	15	#ifdef CONFIG_OF
91faa047 DV	16	uint32_t drm_of_find_possible_crtcs(struct drm_device *dev,
	17	struct device_node *port);
	18	void drm_of_component_match_add(struct device *master,
	19	struct component_match **matchptr,
	20	int (compare)(struct device , void *),
	21	struct device_node *node);
	22	int drm_of_component_probe(struct device *dev,
	23	int (compare_of)(struct device , void *),
	24	const struct component_master_ops *m_ops);
	25	int drm_of_encoder_active_endpoint(struct device_node *node,
	26	struct drm_encoder *encoder,
	27	struct of_endpoint *endpoint);
1f2db303 RH	28	int drm_of_find_panel_or_bridge(const struct device_node *np,
	29	int port, int endpoint,
	30	struct drm_panel **panel,
	31	struct drm_bridge **bridge);
7e435aad RK	32	#else
	33	static inline uint32_t drm_of_find_possible_crtcs(struct drm_device *dev,
	34	struct device_node *port)
	35	{
	36	return 0;
	37	}
df785aa8	38
329f4c81 AB	39	static inline void
	40	drm_of_component_match_add(struct device *master,
	41	struct component_match **matchptr,
	42	int (compare)(struct device , void *),
	43	struct device_node *node)
97ac0e47 RK	44	{
	45	}
	46
df785aa8 LD	47	static inline int
	48	drm_of_component_probe(struct device *dev,
	49	int (compare_of)(struct device , void *),
	50	const struct component_master_ops *m_ops)
	51	{
	52	return -EINVAL;
	53	}
4cacf91f PZ	54
	55	static inline int drm_of_encoder_active_endpoint(struct device_node *node,
	56	struct drm_encoder *encoder,
	57	struct of_endpoint *endpoint)
	58	{
	59	return -EINVAL;
	60	}
1f2db303 RH	61	static inline int drm_of_find_panel_or_bridge(const struct device_node *np,
	62	int port, int endpoint,
	63	struct drm_panel **panel,
	64	struct drm_bridge **bridge)
	65	{
	66	return -EINVAL;
	67	}
7e435aad RK	68	#endif
7e435aad RK	69
4cacf91f PZ	70	static inline int drm_of_encoder_active_endpoint_id(struct device_node *node,
	71	struct drm_encoder *encoder)
	72	{
	73	struct of_endpoint endpoint;
	74	int ret = drm_of_encoder_active_endpoint(node, encoder,
	75	&endpoint);
	76
	77	return ret ?: endpoint.id;
	78	}
	79
	80	static inline int drm_of_encoder_active_port_id(struct device_node *node,
	81	struct drm_encoder *encoder)
	82	{
	83	struct of_endpoint endpoint;
	84	int ret = drm_of_encoder_active_endpoint(node, encoder,
	85	&endpoint);
	86
	87	return ret ?: endpoint.port;
	88	}
	89
7e435aad	90	#endif /* __DRM_OF_H__ */