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91 lines
2.4 KiB
91 lines
2.4 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef __DRM_OF_H__ |
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#define __DRM_OF_H__ |
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#include <linux/of_graph.h> |
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struct component_master_ops; |
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struct component_match; |
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struct device; |
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struct drm_device; |
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struct drm_encoder; |
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struct drm_panel; |
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struct drm_bridge; |
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struct device_node; |
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#ifdef CONFIG_OF |
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uint32_t drm_of_find_possible_crtcs(struct drm_device *dev, |
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struct device_node *port); |
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void drm_of_component_match_add(struct device *master, |
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struct component_match **matchptr, |
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int (*compare)(struct device *, void *), |
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struct device_node *node); |
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int drm_of_component_probe(struct device *dev, |
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int (*compare_of)(struct device *, void *), |
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const struct component_master_ops *m_ops); |
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int drm_of_encoder_active_endpoint(struct device_node *node, |
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struct drm_encoder *encoder, |
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struct of_endpoint *endpoint); |
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int drm_of_find_panel_or_bridge(const struct device_node *np, |
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int port, int endpoint, |
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struct drm_panel **panel, |
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struct drm_bridge **bridge); |
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#else |
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static inline uint32_t drm_of_find_possible_crtcs(struct drm_device *dev, |
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struct device_node *port) |
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{ |
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return 0; |
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} |
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static inline void |
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drm_of_component_match_add(struct device *master, |
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struct component_match **matchptr, |
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int (*compare)(struct device *, void *), |
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struct device_node *node) |
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{ |
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} |
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static inline int |
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drm_of_component_probe(struct device *dev, |
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int (*compare_of)(struct device *, void *), |
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const struct component_master_ops *m_ops) |
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{ |
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return -EINVAL; |
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} |
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static inline int drm_of_encoder_active_endpoint(struct device_node *node, |
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struct drm_encoder *encoder, |
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struct of_endpoint *endpoint) |
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{ |
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return -EINVAL; |
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} |
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static inline int drm_of_find_panel_or_bridge(const struct device_node *np, |
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int port, int endpoint, |
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struct drm_panel **panel, |
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struct drm_bridge **bridge) |
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{ |
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return -EINVAL; |
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} |
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#endif |
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static inline int drm_of_encoder_active_endpoint_id(struct device_node *node, |
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struct drm_encoder *encoder) |
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{ |
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struct of_endpoint endpoint; |
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int ret = drm_of_encoder_active_endpoint(node, encoder, |
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&endpoint); |
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return ret ?: endpoint.id; |
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} |
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static inline int drm_of_encoder_active_port_id(struct device_node *node, |
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struct drm_encoder *encoder) |
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{ |
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struct of_endpoint endpoint; |
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int ret = drm_of_encoder_active_endpoint(node, encoder, |
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&endpoint); |
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return ret ?: endpoint.port; |
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} |
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#endif /* __DRM_OF_H__ */
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