0,0 → 1,134 |
/* |
* Copyright © 2006 Keith Packard |
* Copyright © 2007-2008 Dave Airlie |
* Copyright © 2007-2008 Intel Corporation |
* Jesse Barnes <jesse.barnes@intel.com> |
* |
* Permission is hereby granted, free of charge, to any person obtaining a |
* copy of this software and associated documentation files (the "Software"), |
* to deal in the Software without restriction, including without limitation |
* the rights to use, copy, modify, merge, publish, distribute, sublicense, |
* and/or sell copies of the Software, and to permit persons to whom the |
* Software is furnished to do so, subject to the following conditions: |
* |
* The above copyright notice and this permission notice shall be included in |
* all copies or substantial portions of the Software. |
* |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
* OTHER DEALINGS IN THE SOFTWARE. |
*/ |
|
/* |
* The DRM mode setting helper functions are common code for drivers to use if |
* they wish. Drivers are not forced to use this code in their |
* implementations but it would be useful if they code they do use at least |
* provides a consistent interface and operation to userspace |
*/ |
|
#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> |
|
#include "drm_fb_helper.h" |
struct drm_crtc_helper_funcs { |
/* |
* Control power levels on the CRTC. If the mode passed in is |
* unsupported, the provider must use the next lowest power level. |
*/ |
void (*dpms)(struct drm_crtc *crtc, int mode); |
void (*prepare)(struct drm_crtc *crtc); |
void (*commit)(struct drm_crtc *crtc); |
|
/* Provider can fixup or change mode timings before modeset occurs */ |
bool (*mode_fixup)(struct drm_crtc *crtc, |
struct drm_display_mode *mode, |
struct drm_display_mode *adjusted_mode); |
/* Actually set the 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); |
|
/* Move the crtc on the current fb to the given position *optional* */ |
int (*mode_set_base)(struct drm_crtc *crtc, int x, int y, |
struct drm_framebuffer *old_fb); |
|
/* reload the current crtc LUT */ |
void (*load_lut)(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, |
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); |
/* detect for DAC style encoders */ |
enum drm_connector_status (*detect)(struct drm_encoder *encoder, |
struct drm_connector *connector); |
/* disable encoder when not in use - more explicit than dpms off */ |
void (*disable)(struct drm_encoder *encoder); |
}; |
|
struct drm_connector_helper_funcs { |
int (*get_modes)(struct drm_connector *connector); |
int (*mode_valid)(struct drm_connector *connector, |
struct drm_display_mode *mode); |
struct drm_encoder *(*best_encoder)(struct drm_connector *connector); |
}; |
|
extern int drm_helper_probe_single_connector_modes(struct drm_connector *connector, uint32_t maxX, uint32_t maxY); |
extern void drm_helper_disable_unused_functions(struct drm_device *dev); |
extern int drm_helper_hotplug_stage_two(struct drm_device *dev); |
extern bool drm_helper_initial_config(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 int drm_helper_mode_fill_fb_struct(struct drm_framebuffer *fb, |
struct drm_mode_fb_cmd *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 int drm_connector_helper_add(struct drm_connector *connector, |
const struct drm_connector_helper_funcs *funcs) |
{ |
connector->helper_private = (void *)funcs; |
return drm_fb_helper_add_connector(connector); |
} |
|
extern int drm_helper_resume_force_mode(struct drm_device *dev); |
#endif |