linux/drivers/gpu/drm/radeon/radeon_cursor.c

/*
 * Copyright 2007-8 Advanced Micro Devices, Inc.
 * Copyright 2008 Red Hat Inc.
 *
 * 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.
 *
 * Authors: Dave Airlie
 *          Alex Deucher
 */

#include <drm/drm_device.h>
#include <drm/radeon_drm.h>

#include "radeon.h"

static void radeon_lock_cursor(struct drm_crtc *crtc, bool lock)
{ … }

static void radeon_hide_cursor(struct drm_crtc *crtc)
{ … }

static void radeon_show_cursor(struct drm_crtc *crtc)
{ … }

static int radeon_cursor_move_locked(struct drm_crtc *crtc, int x, int y)
{ … }

int radeon_crtc_cursor_move(struct drm_crtc *crtc,
			    int x, int y)
{ … }

int radeon_crtc_cursor_set2(struct drm_crtc *crtc,
			    struct drm_file *file_priv,
			    uint32_t handle,
			    uint32_t width,
			    uint32_t height,
			    int32_t hot_x,
			    int32_t hot_y)
{ … }

/**
 * radeon_cursor_reset - Re-set the current cursor, if any.
 *
 * @crtc: drm crtc
 *
 * If the CRTC passed in currently has a cursor assigned, this function
 * makes sure it's visible.
 */
void radeon_cursor_reset(struct drm_crtc *crtc)
{ … }