projects / mirror_ubuntu-kernels.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 7e435aad RK |
2 | #ifndef __DRM_OF_H__ |
| 3 | #define __DRM_OF_H__ | |
| 4 | ||
| 4cacf91f PZ |
5 | #include <linux/of_graph.h> |
| 6 | ||
| df785aa8 | 7 | struct component_master_ops; |
| 97ac0e47 | 8 | struct component_match; |
| df785aa8 | 9 | struct device; |
| 7e435aad | 10 | struct drm_device; |
| 4cacf91f | 11 | struct drm_encoder; |
| 1f2db303 RH |
12 | struct drm_panel; |
| 13 | struct drm_bridge; | |
| 7e435aad RK |
14 | struct device_node; |
| 15 | ||
| 16 | #ifdef CONFIG_OF | |
| 91faa047 DV |
17 | uint32_t drm_of_find_possible_crtcs(struct drm_device *dev, |
| 18 | struct device_node *port); | |
| 19 | void drm_of_component_match_add(struct device *master, | |
| 20 | struct component_match **matchptr, | |
| 21 | int (*compare)(struct device *, void *), | |
| 22 | struct device_node *node); | |
| 23 | int drm_of_component_probe(struct device *dev, | |
| 24 | int (*compare_of)(struct device *, void *), | |
| 25 | const struct component_master_ops *m_ops); | |
| 26 | int drm_of_encoder_active_endpoint(struct device_node *node, | |
| 27 | struct drm_encoder *encoder, | |
| 28 | struct of_endpoint *endpoint); | |
| 1f2db303 RH |
29 | int drm_of_find_panel_or_bridge(const struct device_node *np, |
| 30 | int port, int endpoint, | |
| 31 | struct drm_panel **panel, | |
| 32 | struct drm_bridge **bridge); | |
| 7e435aad RK |
33 | #else |
| 34 | static inline uint32_t drm_of_find_possible_crtcs(struct drm_device *dev, | |
| 35 | struct device_node *port) | |
| 36 | { | |
| 37 | return 0; | |
| 38 | } | |
| df785aa8 | 39 | |
| 329f4c81 AB |
40 | static inline void |
| 41 | drm_of_component_match_add(struct device *master, | |
| 42 | struct component_match **matchptr, | |
| 43 | int (*compare)(struct device *, void *), | |
| 44 | struct device_node *node) | |
| 97ac0e47 RK |
45 | { |
| 46 | } | |
| 47 | ||
| df785aa8 LD |
48 | static inline int |
| 49 | drm_of_component_probe(struct device *dev, | |
| 50 | int (*compare_of)(struct device *, void *), | |
| 51 | const struct component_master_ops *m_ops) | |
| 52 | { | |
| 53 | return -EINVAL; | |
| 54 | } | |
| 4cacf91f PZ |
55 | |
| 56 | static inline int drm_of_encoder_active_endpoint(struct device_node *node, | |
| 57 | struct drm_encoder *encoder, | |
| 58 | struct of_endpoint *endpoint) | |
| 59 | { | |
| 60 | return -EINVAL; | |
| 61 | } | |
| 1f2db303 RH |
62 | static inline int drm_of_find_panel_or_bridge(const struct device_node *np, |
| 63 | int port, int endpoint, | |
| 64 | struct drm_panel **panel, | |
| 65 | struct drm_bridge **bridge) | |
| 66 | { | |
| 67 | return -EINVAL; | |
| 68 | } | |
| 7e435aad RK |
69 | #endif |
| 70 | ||
| 4cacf91f PZ |
71 | static inline int drm_of_encoder_active_endpoint_id(struct device_node *node, |
| 72 | struct drm_encoder *encoder) | |
| 73 | { | |
| 74 | struct of_endpoint endpoint; | |
| 75 | int ret = drm_of_encoder_active_endpoint(node, encoder, | |
| 76 | &endpoint); | |
| 77 | ||
| 78 | return ret ?: endpoint.id; | |
| 79 | } | |
| 80 | ||
| 81 | static inline int drm_of_encoder_active_port_id(struct device_node *node, | |
| 82 | struct drm_encoder *encoder) | |
| 83 | { | |
| 84 | struct of_endpoint endpoint; | |
| 85 | int ret = drm_of_encoder_active_endpoint(node, encoder, | |
| 86 | &endpoint); | |
| 87 | ||
| 88 | return ret ?: endpoint.port; | |
| 89 | } | |
| 90 | ||
| 7e435aad | 91 | #endif /* __DRM_OF_H__ */ |