/* BEGIN CSTYLED */
/*
*/
/*
* Copyright © 2006 Keith Packard
* Copyright © 2007-2008 Dave Airlie
* Copyright (c) 2007-2008, 2013, 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,
* 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 "drmP.h"
#include "drm_sun_idr.h"
enum mode_set_atomic {
};
/**
* drm_crtc_helper_funcs - helper operations for CRTCs
* @mode_fixup: try to fixup proposed mode for this connector
* @mode_set: set this mode
*
* The helper operations are called by the mid-layer CRTC helper.
*/
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.
*/
/* Provider can fixup or change mode timings before modeset occurs */
const struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode);
/* Actually set the 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* */
struct drm_framebuffer *old_fb);
struct drm_framebuffer *fb, int x, int y,
enum mode_set_atomic);
/* reload the current crtc LUT */
/* disable crtc when not in use - more explicit than dpms off */
};
/**
* drm_encoder_helper_funcs - helper operations for encoders
* @mode_fixup: try to fixup proposed mode for this connector
* @mode_set: set this mode
*
* The helper operations are called by the mid-layer CRTC helper.
*/
struct drm_encoder_helper_funcs {
const struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode);
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode);
/* detect for DAC style encoders */
struct drm_connector *connector);
/* disable encoder when not in use - more explicit than dpms off */
};
/**
* drm_connector_helper_funcs - helper operations for connectors
* @get_modes: get mode list for this connector
* @mode_valid: is this mode valid on the given connector?
*
* The helper operations are called by the mid-layer CRTC helper.
*/
struct drm_connector_helper_funcs {
struct drm_display_mode *mode);
};
extern int drm_helper_probe_single_connector_modes(struct drm_connector *connector, uint32_t maxX, uint32_t maxY);
struct drm_display_mode *mode,
int x, int y,
struct drm_framebuffer *old_fb);
extern void drm_helper_move_panel_connectors_to_head(struct drm_device *);
struct drm_mode_fb_cmd2 *mode_cmd);
const struct drm_crtc_helper_funcs *funcs)
{
}
const struct drm_encoder_helper_funcs *funcs)
{
}
const struct drm_connector_helper_funcs *funcs)
{
}
#endif /* __DRM_CRTC_HELPER_H__ */