1 /* $NetBSD: io-mapping.h,v 1.1 2021/12/19 10:28:52 riastradh Exp $ */
2
3 /*-
4 * Copyright (c) 2020 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #ifndef _DRM_DRM_IO_MAPPING_H_
30 #define _DRM_DRM_IO_MAPPING_H_
31
32 #include <linux/io-mapping.h>
33
34 #include <drm/drm_device.h>
35
36 static inline struct io_mapping *
drm_io_mapping_create_wc(struct drm_device * dev,resource_size_t addr,unsigned long size)37 drm_io_mapping_create_wc(struct drm_device *dev, resource_size_t addr,
38 unsigned long size)
39 {
40 return bus_space_io_mapping_create_wc(dev->bst, addr, size);
41 }
42
43 static inline bool
drm_io_mapping_init_wc(struct drm_device * dev,struct io_mapping * mapping,resource_size_t addr,unsigned long size)44 drm_io_mapping_init_wc(struct drm_device *dev, struct io_mapping *mapping,
45 resource_size_t addr, unsigned long size)
46 {
47 return bus_space_io_mapping_init_wc(dev->bst, mapping, addr, size);
48 }
49
50 #endif /* _DRM_DRM_IO_MAPPING_H_ */
51