65 lines
1.6 KiB
C
65 lines
1.6 KiB
C
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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 device;
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struct drm_device;
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struct drm_encoder;
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struct device_node;
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#ifdef CONFIG_OF
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extern uint32_t drm_of_find_possible_crtcs(struct drm_device *dev,
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struct device_node *port);
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extern 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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extern 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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#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 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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#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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