[mirror_ubuntu-focal-kernel.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);
int drm_of_panel_bridge_remove(const struct device_node *np,
			       int port, int endpoint);
#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;
}

static inline int drm_of_panel_bridge_remove(const struct device_node *np,
					     int port, int 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	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);
c70087e8	32	int drm_of_panel_bridge_remove(const struct device_node *np,
c70087e8	33	int port, int endpoint);
7e435aad RK	34	#else
	35	static inline uint32_t drm_of_find_possible_crtcs(struct drm_device *dev,
	36	struct device_node *port)
	37	{
	38	return 0;
	39	}
df785aa8	40
329f4c81 AB	41	static inline void
	42	drm_of_component_match_add(struct device *master,
	43	struct component_match **matchptr,
	44	int (compare)(struct device , void *),
	45	struct device_node *node)
97ac0e47 RK	46	{
	47	}
	48
df785aa8 LD	49	static inline int
	50	drm_of_component_probe(struct device *dev,
	51	int (compare_of)(struct device , void *),
	52	const struct component_master_ops *m_ops)
	53	{
	54	return -EINVAL;
	55	}
4cacf91f PZ	56
	57	static inline int drm_of_encoder_active_endpoint(struct device_node *node,
	58	struct drm_encoder *encoder,
	59	struct of_endpoint *endpoint)
	60	{
	61	return -EINVAL;
	62	}
1f2db303 RH	63	static inline int drm_of_find_panel_or_bridge(const struct device_node *np,
	64	int port, int endpoint,
	65	struct drm_panel **panel,
	66	struct drm_bridge **bridge)
	67	{
	68	return -EINVAL;
	69	}
c70087e8	70
	71	static inline int drm_of_panel_bridge_remove(const struct device_node *np,
	72	int port, int endpoint)
	73	{
	74	return -EINVAL;
	75	}
7e435aad RK	76	#endif
7e435aad RK	77
4cacf91f PZ	78	static inline int drm_of_encoder_active_endpoint_id(struct device_node *node,
	79	struct drm_encoder *encoder)
	80	{
	81	struct of_endpoint endpoint;
	82	int ret = drm_of_encoder_active_endpoint(node, encoder,
	83	&endpoint);
	84
	85	return ret ?: endpoint.id;
	86	}
	87
	88	static inline int drm_of_encoder_active_port_id(struct device_node *node,
	89	struct drm_encoder *encoder)
	90	{
	91	struct of_endpoint endpoint;
	92	int ret = drm_of_encoder_active_endpoint(node, encoder,
	93	&endpoint);
	94
	95	return ret ?: endpoint.port;
	96	}
	97
7e435aad	98	#endif /* __DRM_OF_H__ */