xref: /dragonfly/sys/dev/drm/drm_legacy.h (revision 1b13d190)
1 #ifndef __DRM_LEGACY_H__
2 #define __DRM_LEGACY_H__
3 
4 /*
5  * Copyright (c) 2014 David Herrmann <dh.herrmann@gmail.com>
6  *
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:
13  *
14  * The above copyright notice and this permission notice shall be included in
15  * all copies or substantial portions of the Software.
16  *
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.
24  */
25 
26 /*
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.
30  */
31 #include <linux/list.h>
32 #include <drm/drm_legacy.h>
33 
34 struct agp_memory;
35 
36 struct drm_device;
37 struct drm_file;
38 
39 /*
40  * Generic DRM Contexts
41  */
42 
43 #define DRM_KERNEL_CONTEXT		0
44 #define DRM_RESERVED_CONTEXTS		1
45 
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);
50 
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);
57 
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);
60 
61 /*
62  * Generic Buffer Management
63  */
64 
65 #define DRM_MAP_HASH_OFFSET 0x10000000
66 
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);
75 
76 /*
77  * AGP Support
78  */
79 
80 /*
81  * Generic Userspace Locking-API
82  */
83 
84 /* DMA support */
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);
91 
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);
98 
99 #endif /* __DRM_LEGACY_H__ */
100