include/drm/drm_of.h

Source file repositories/reference/linux-study-clean/include/drm/drm_of.h

File Facts

System
Linux kernel
Corpus path
include/drm/drm_of.h
Extension
.h
Size
6083 bytes
Lines
220
Domain
Repository Root And Misc
Bucket
include
Inferred role
Repository Root And Misc: implementation source
Status
source implementation candidate

Why This File Exists

Top-level or miscellaneous repository surface. Use this as map coverage unless a later manual pass promotes the file into a deeper subsystem dossier.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef __DRM_OF_H__
#define __DRM_OF_H__

#include <linux/err.h>
#include <linux/of_graph.h>
#if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_DRM_PANEL_BRIDGE)
#include <linux/of.h>
#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;
struct mipi_dsi_device_info;
struct mipi_dsi_host;

/**
 * enum drm_lvds_dual_link_pixels - Pixel order of an LVDS dual-link connection
 * @DRM_LVDS_DUAL_LINK_EVEN_ODD_PIXELS: Even pixels are expected to be generated
 *    from the first port, odd pixels from the second port
 * @DRM_LVDS_DUAL_LINK_ODD_EVEN_PIXELS: Odd pixels are expected to be generated
 *    from the first port, even pixels from the second port
 */
enum drm_lvds_dual_link_pixels {
	DRM_LVDS_DUAL_LINK_EVEN_ODD_PIXELS = 0,
	DRM_LVDS_DUAL_LINK_ODD_EVEN_PIXELS = 1,
};

#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);
int drm_of_lvds_get_dual_link_pixel_order(const struct device_node *port1,
					  const struct device_node *port2);
int drm_of_lvds_get_dual_link_pixel_order_sink(struct device_node *port1,
					       struct device_node *port2);
int drm_of_lvds_get_data_mapping(const struct device_node *port);
int drm_of_get_data_lanes_count(const struct device_node *endpoint,
				const unsigned int min, const unsigned int max);
int drm_of_get_data_lanes_count_ep(const struct device_node *port,
				   int port_reg, int reg,
				   const unsigned int min,
				   const unsigned int max);
int drm_of_get_data_lanes_count_remote(const struct device_node *port,
				       int port_reg, int reg,
				       const unsigned int min,
				       const unsigned int max);
#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,

Annotation

Implementation Notes