projects / mirror_ubuntu-focal-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 7e435aad RK |
1 | #ifndef __DRM_OF_H__ |
| 2 | #define __DRM_OF_H__ | |
| 3 | ||
| 4cacf91f PZ |
4 | #include <linux/of_graph.h> |
| 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; |
| 7e435aad RK |
11 | struct device_node; |
| 12 | ||
| 13 | #ifdef CONFIG_OF | |
| 14 | extern uint32_t drm_of_find_possible_crtcs(struct drm_device *dev, | |
| 15 | struct device_node *port); | |
| 97ac0e47 RK |
16 | extern void drm_of_component_match_add(struct device *master, |
| 17 | struct component_match **matchptr, | |
| 18 | int (*compare)(struct device *, void *), | |
| 19 | struct device_node *node); | |
| df785aa8 LD |
20 | extern int drm_of_component_probe(struct device *dev, |
| 21 | int (*compare_of)(struct device *, void *), | |
| 22 | const struct component_master_ops *m_ops); | |
| 4cacf91f PZ |
23 | extern int drm_of_encoder_active_endpoint(struct device_node *node, |
| 24 | struct drm_encoder *encoder, | |
| 25 | struct of_endpoint *endpoint); | |
| 7e435aad RK |
26 | #else |
| 27 | static inline uint32_t drm_of_find_possible_crtcs(struct drm_device *dev, | |
| 28 | struct device_node *port) | |
| 29 | { | |
| 30 | return 0; | |
| 31 | } | |
| df785aa8 | 32 | |
| 97ac0e47 RK |
33 | static void drm_of_component_match_add(struct device *master, |
| 34 | struct component_match **matchptr, | |
| 35 | int (*compare)(struct device *, void *), | |
| 36 | struct device_node *node) | |
| 37 | { | |
| 38 | } | |
| 39 | ||
| df785aa8 LD |
40 | static inline int |
| 41 | drm_of_component_probe(struct device *dev, | |
| 42 | int (*compare_of)(struct device *, void *), | |
| 43 | const struct component_master_ops *m_ops) | |
| 44 | { | |
| 45 | return -EINVAL; | |
| 46 | } | |
| 4cacf91f PZ |
47 | |
| 48 | static inline int drm_of_encoder_active_endpoint(struct device_node *node, | |
| 49 | struct drm_encoder *encoder, | |
| 50 | struct of_endpoint *endpoint) | |
| 51 | { | |
| 52 | return -EINVAL; | |
| 53 | } | |
| 7e435aad RK |
54 | #endif |
| 55 | ||
| 4cacf91f PZ |
56 | static inline int drm_of_encoder_active_endpoint_id(struct device_node *node, |
| 57 | struct drm_encoder *encoder) | |
| 58 | { | |
| 59 | struct of_endpoint endpoint; | |
| 60 | int ret = drm_of_encoder_active_endpoint(node, encoder, | |
| 61 | &endpoint); | |
| 62 | ||
| 63 | return ret ?: endpoint.id; | |
| 64 | } | |
| 65 | ||
| 66 | static inline int drm_of_encoder_active_port_id(struct device_node *node, | |
| 67 | struct drm_encoder *encoder) | |
| 68 | { | |
| 69 | struct of_endpoint endpoint; | |
| 70 | int ret = drm_of_encoder_active_endpoint(node, encoder, | |
| 71 | &endpoint); | |
| 72 | ||
| 73 | return ret ?: endpoint.port; | |
| 74 | } | |
| 75 | ||
| 7e435aad | 76 | #endif /* __DRM_OF_H__ */ |