linux/include/drm/drm_of.h
Russell King 97ac0e47ae drm: convert DT component matching to component_match_add_release()
Convert DT component matching to use component_match_add_release().

Acked-by: Jyri Sarha <jsarha@ti.com>
Reviewed-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/E1bwo6l-0005Io-Q1@rmk-PC.armlinux.org.uk
2016-10-25 11:52:38 -04:00

77 lines
2.0 KiB
C

#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 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__ */