linux/include/drm/drm_plane_helper.h

/*
 * Copyright (C) 2011-2013 Intel Corporation
 *
 * 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 (including the next
 * paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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.
 */

#ifndef DRM_PLANE_HELPER_H
#define DRM_PLANE_HELPER_H

#include <linux/types.h>

struct drm_atomic_state;
struct drm_crtc;
struct drm_framebuffer;
struct drm_modeset_acquire_ctx;
struct drm_plane;

int drm_plane_helper_update_primary(struct drm_plane *plane, struct drm_crtc *crtc,
				    struct drm_framebuffer *fb,
				    int crtc_x, int crtc_y,
				    unsigned int crtc_w, unsigned int crtc_h,
				    uint32_t src_x, uint32_t src_y,
				    uint32_t src_w, uint32_t src_h,
				    struct drm_modeset_acquire_ctx *ctx);
int drm_plane_helper_disable_primary(struct drm_plane *plane,
				     struct drm_modeset_acquire_ctx *ctx);
void drm_plane_helper_destroy(struct drm_plane *plane);
int drm_plane_helper_atomic_check(struct drm_plane *plane, struct drm_atomic_state *state);

/**
 * DRM_PLANE_NON_ATOMIC_FUNCS - Default plane functions for non-atomic drivers
 *
 * This macro initializes plane functions for non-atomic drivers to default
 * values. Non-atomic interfaces are deprecated and should not be used in new
 * drivers.
 */
#define DRM_PLANE_NON_ATOMIC_FUNCS \
	.update_plane = drm_plane_helper_update_primary, \
	.disable_plane = drm_plane_helper_disable_primary, \
	.destroy = drm_plane_helper_destroy

#endif