1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
#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 device_node;
#ifdef CONFIG_OF
extern uint32_t drm_of_find_possible_crtcs(struct drm_device *dev,
struct device_node *port);
extern void drm_of_component_match_add(struct device *master,
struct component_match **matchptr,
int (*compare)(struct device *, void *),
struct device_node *node);
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 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;
}
#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__ */
|
