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/*
* 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/drm_crtc.h>
#include <drm/drm_modeset_helper_vtables.h>
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 int 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,
const struct drm_mode_fb_cmd2 *mode_cmd);
extern void drm_helper_resume_force_mode(struct drm_device *dev);
int drm_helper_crtc_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 drm_helper_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
struct drm_framebuffer *old_fb);
/* drm_probe_helper.c */
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);
extern void drm_kms_helper_poll_enable_locked(struct drm_device *dev);
#endif
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