1 #ifndef __DRM_LEGACY_H__
2 #define __DRM_LEGACY_H__
5 * Copyright (c) 2014 David Herrmann <dh.herrmann@gmail.com>
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
23 * OTHER DEALINGS IN THE SOFTWARE.
27 * This file contains legacy interfaces that modern drm drivers
28 * should no longer be using. They cannot be removed as legacy
29 * drivers use them, and removing them are API breaks.
31 #include <linux/list.h>
32 #include <drm/drm_legacy.h>
40 * Generic DRM Contexts
43 #define DRM_KERNEL_CONTEXT 0
44 #define DRM_RESERVED_CONTEXTS 1
46 int drm_legacy_ctxbitmap_init(struct drm_device *dev);
47 void drm_legacy_ctxbitmap_cleanup(struct drm_device *dev);
48 void drm_legacy_ctxbitmap_free(struct drm_device *dev, int ctx_handle);
49 void drm_legacy_ctxbitmap_flush(struct drm_device *dev, struct drm_file *file);
51 int drm_legacy_resctx(struct drm_device *d, void *v, struct drm_file *f);
52 int drm_legacy_addctx(struct drm_device *d, void *v, struct drm_file *f);
53 int drm_legacy_getctx(struct drm_device *d, void *v, struct drm_file *f);
54 int drm_legacy_switchctx(struct drm_device *d, void *v, struct drm_file *f);
55 int drm_legacy_newctx(struct drm_device *d, void *v, struct drm_file *f);
56 int drm_legacy_rmctx(struct drm_device *d, void *v, struct drm_file *f);
58 int drm_legacy_setsareactx(struct drm_device *d, void *v, struct drm_file *f);
59 int drm_legacy_getsareactx(struct drm_device *d, void *v, struct drm_file *f);
62 * Generic Buffer Management
65 #define DRM_MAP_HASH_OFFSET 0x10000000
67 int drm_legacy_addmap_ioctl(struct drm_device *d, void *v, struct drm_file *f);
68 int drm_legacy_rmmap_ioctl(struct drm_device *d, void *v, struct drm_file *f);
69 int drm_legacy_addbufs(struct drm_device *d, void *v, struct drm_file *f);
70 int drm_legacy_infobufs(struct drm_device *d, void *v, struct drm_file *f);
71 int drm_legacy_markbufs(struct drm_device *d, void *v, struct drm_file *f);
72 int drm_legacy_freebufs(struct drm_device *d, void *v, struct drm_file *f);
73 int drm_legacy_mapbufs(struct drm_device *d, void *v, struct drm_file *f);
74 int drm_legacy_dma_ioctl(struct drm_device *d, void *v, struct drm_file *f);
81 * Generic Userspace Locking-API
85 int drm_legacy_dma_setup(struct drm_device *dev);
86 void drm_legacy_dma_takedown(struct drm_device *dev);
87 void drm_legacy_free_buffer(struct drm_device *dev,
88 struct drm_buf * buf);
89 void drm_legacy_reclaim_buffers(struct drm_device *dev,
90 struct drm_file *filp);
92 /* Scatter Gather Support */
93 void drm_legacy_sg_cleanup(struct drm_sg_mem *entry);
94 int drm_legacy_sg_alloc(struct drm_device *dev, void *data,
95 struct drm_file *file_priv);
96 int drm_legacy_sg_free(struct drm_device *dev, void *data,
97 struct drm_file *file_priv);
99 #endif /* __DRM_LEGACY_H__ */