Contributors: 9
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Philipp Zabel |
135 |
25.05% |
1 |
10.00% |
| Russell King |
130 |
24.12% |
2 |
20.00% |
| Maarten Lankhorst |
76 |
14.10% |
1 |
10.00% |
| Liviu Dudau |
71 |
13.17% |
1 |
10.00% |
| Rob Herring |
69 |
12.80% |
1 |
10.00% |
| Jernej Škrabec |
34 |
6.31% |
1 |
10.00% |
| Benjamin Gaignard |
22 |
4.08% |
1 |
10.00% |
| Arnd Bergmann |
1 |
0.19% |
1 |
10.00% |
| Greg Kroah-Hartman |
1 |
0.19% |
1 |
10.00% |
| Total |
539 |
|
10 |
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __DRM_OF_H__
#define __DRM_OF_H__
#include <linux/of_graph.h>
#if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_DRM_PANEL_BRIDGE)
#include <drm/drm_bridge.h>
#endif
struct component_master_ops;
struct component_match;
struct device;
struct drm_device;
struct drm_encoder;
struct drm_panel;
struct drm_bridge;
struct device_node;
#ifdef CONFIG_OF
uint32_t drm_of_crtc_port_mask(struct drm_device *dev,
struct device_node *port);
uint32_t drm_of_find_possible_crtcs(struct drm_device *dev,
struct device_node *port);
void drm_of_component_match_add(struct device *master,
struct component_match **matchptr,
int (*compare)(struct device *, void *),
struct device_node *node);
int drm_of_component_probe(struct device *dev,
int (*compare_of)(struct device *, void *),
const struct component_master_ops *m_ops);
int drm_of_encoder_active_endpoint(struct device_node *node,
struct drm_encoder *encoder,
struct of_endpoint *endpoint);
int drm_of_find_panel_or_bridge(const struct device_node *np,
int port, int endpoint,
struct drm_panel **panel,
struct drm_bridge **bridge);
#else
static inline uint32_t drm_of_crtc_port_mask(struct drm_device *dev,
struct device_node *port)
{
return 0;
}
static inline uint32_t drm_of_find_possible_crtcs(struct drm_device *dev,
struct device_node *port)
{
return 0;
}
static inline 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;
}
static inline int drm_of_find_panel_or_bridge(const struct device_node *np,
int port, int endpoint,
struct drm_panel **panel,
struct drm_bridge **bridge)
{
return -EINVAL;
}
#endif
/*
* drm_of_panel_bridge_remove - remove panel bridge
* @np: device tree node containing panel bridge output ports
*
* Remove the panel bridge of a given DT node's port and endpoint number
*
* Returns zero if successful, or one of the standard error codes if it fails.
*/
static inline int drm_of_panel_bridge_remove(const struct device_node *np,
int port, int endpoint)
{
#if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_DRM_PANEL_BRIDGE)
struct drm_bridge *bridge;
struct device_node *remote;
remote = of_graph_get_remote_node(np, port, endpoint);
if (!remote)
return -ENODEV;
bridge = of_drm_find_bridge(remote);
drm_panel_bridge_remove(bridge);
return 0;
#else
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__ */