This source file includes following definitions.
- drm_crtc_helper_add
- drm_encoder_helper_add
- drm_connector_helper_add
#ifndef __DRM_CRTC_HELPER_H__
#define __DRM_CRTC_HELPER_H__
#include <linux/spinlock.h>
#include <linux/types.h>
#include <linux/idr.h>
#include <linux/fb.h>
enum mode_set_atomic {
LEAVE_ATOMIC_MODE_SET,
ENTER_ATOMIC_MODE_SET,
};
struct drm_crtc_helper_funcs {
void (*dpms)(struct drm_crtc *crtc, int mode);
void (*prepare)(struct drm_crtc *crtc);
void (*commit)(struct drm_crtc *crtc);
bool (*mode_fixup)(struct drm_crtc *crtc,
const struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode);
int (*mode_set)(struct drm_crtc *crtc, struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode, int x, int y,
struct drm_framebuffer *old_fb);
int (*mode_set_base)(struct drm_crtc *crtc, int x, int y,
struct drm_framebuffer *old_fb);
int (*mode_set_base_atomic)(struct drm_crtc *crtc,
struct drm_framebuffer *fb, int x, int y,
enum mode_set_atomic);
void (*load_lut)(struct drm_crtc *crtc);
void (*disable)(struct drm_crtc *crtc);
};
struct drm_encoder_helper_funcs {
void (*dpms)(struct drm_encoder *encoder, int mode);
void (*save)(struct drm_encoder *encoder);
void (*restore)(struct drm_encoder *encoder);
bool (*mode_fixup)(struct drm_encoder *encoder,
const struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode);
void (*prepare)(struct drm_encoder *encoder);
void (*commit)(struct drm_encoder *encoder);
void (*mode_set)(struct drm_encoder *encoder,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode);
struct drm_crtc *(*get_crtc)(struct drm_encoder *encoder);
enum drm_connector_status (*detect)(struct drm_encoder *encoder,
struct drm_connector *connector);
void (*disable)(struct drm_encoder *encoder);
};
struct drm_connector_helper_funcs {
int (*get_modes)(struct drm_connector *connector);
enum drm_mode_status (*mode_valid)(struct drm_connector *connector,
struct drm_display_mode *mode);
struct drm_encoder *(*best_encoder)(struct drm_connector *connector);
};
extern void drm_helper_disable_unused_functions(struct drm_device *dev);
extern int drm_crtc_helper_set_config(struct drm_mode_set *set);
extern bool drm_crtc_helper_set_mode(struct drm_crtc *crtc,
struct drm_display_mode *mode,
int x, int y,
struct drm_framebuffer *old_fb);
extern bool drm_helper_crtc_in_use(struct drm_crtc *crtc);
extern bool drm_helper_encoder_in_use(struct drm_encoder *encoder);
extern void drm_helper_connector_dpms(struct drm_connector *connector, int mode);
extern void drm_helper_move_panel_connectors_to_head(struct drm_device *);
extern void drm_helper_mode_fill_fb_struct(struct drm_framebuffer *fb,
struct drm_mode_fb_cmd2 *mode_cmd);
static inline void drm_crtc_helper_add(struct drm_crtc *crtc,
const struct drm_crtc_helper_funcs *funcs)
{
crtc->helper_private = (void *)funcs;
}
static inline void drm_encoder_helper_add(struct drm_encoder *encoder,
const struct drm_encoder_helper_funcs *funcs)
{
encoder->helper_private = (void *)funcs;
}
static inline void drm_connector_helper_add(struct drm_connector *connector,
const struct drm_connector_helper_funcs *funcs)
{
connector->helper_private = (void *)funcs;
}
extern void drm_helper_resume_force_mode(struct drm_device *dev);
extern int drm_helper_probe_single_connector_modes(struct drm_connector
*connector, uint32_t maxX,
uint32_t maxY);
extern int drm_helper_probe_single_connector_modes_nomerge(struct drm_connector
*connector,
uint32_t maxX,
uint32_t maxY);
extern void drm_kms_helper_poll_init(struct drm_device *dev);
extern void drm_kms_helper_poll_fini(struct drm_device *dev);
extern bool drm_helper_hpd_irq_event(struct drm_device *dev);
extern void drm_kms_helper_hotplug_event(struct drm_device *dev);
extern void drm_kms_helper_poll_disable(struct drm_device *dev);
extern void drm_kms_helper_poll_enable(struct drm_device *dev);
#endif