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
34struct agp_memory;
35struct drm_device;
36struct drm_file;
37
38/*
39 * Generic DRM Contexts
40 */
41
42#define DRM_KERNEL_CONTEXT		0
43#define DRM_RESERVED_CONTEXTS		1
44
45int drm_legacy_ctxbitmap_init(struct drm_device *dev);
46void drm_legacy_ctxbitmap_cleanup(struct drm_device *dev);
47void drm_legacy_ctxbitmap_free(struct drm_device *dev, int ctx_handle);
48void drm_legacy_ctxbitmap_flush(struct drm_device *dev, struct drm_file *file);
49
50int drm_legacy_resctx(struct drm_device *d, void *v, struct drm_file *f);
51int drm_legacy_addctx(struct drm_device *d, void *v, struct drm_file *f);
52int drm_legacy_getctx(struct drm_device *d, void *v, struct drm_file *f);
53int drm_legacy_switchctx(struct drm_device *d, void *v, struct drm_file *f);
54int drm_legacy_newctx(struct drm_device *d, void *v, struct drm_file *f);
55int drm_legacy_rmctx(struct drm_device *d, void *v, struct drm_file *f);
56
57int drm_legacy_setsareactx(struct drm_device *d, void *v, struct drm_file *f);
58int drm_legacy_getsareactx(struct drm_device *d, void *v, struct drm_file *f);
59
60/*
61 * Generic Buffer Management
62 */
63
64#define DRM_MAP_HASH_OFFSET 0x10000000
65
66int drm_legacy_addmap_ioctl(struct drm_device *d, void *v, struct drm_file *f);
67int drm_legacy_rmmap_ioctl(struct drm_device *d, void *v, struct drm_file *f);
68int drm_legacy_addbufs(struct drm_device *d, void *v, struct drm_file *f);
69int drm_legacy_infobufs(struct drm_device *d, void *v, struct drm_file *f);
70int drm_legacy_markbufs(struct drm_device *d, void *v, struct drm_file *f);
71int drm_legacy_freebufs(struct drm_device *d, void *v, struct drm_file *f);
72int drm_legacy_mapbufs(struct drm_device *d, void *v, struct drm_file *f);
73int drm_legacy_dma_ioctl(struct drm_device *d, void *v, struct drm_file *f);
74
75void drm_legacy_vma_flush(struct drm_device *d);
76
77/*
78 * AGP Support
79 */
80
81struct drm_agp_mem {
82	unsigned long handle;
83	struct agp_memory *memory;
84	unsigned long bound;
85	int pages;
86	struct list_head head;
87};
88
89/*
90 * Generic Userspace Locking-API
91 */
92
93int drm_legacy_i_have_hw_lock(struct drm_device *d, struct drm_file *f);
94int drm_legacy_lock(struct drm_device *d, void *v, struct drm_file *f);
95int drm_legacy_unlock(struct drm_device *d, void *v, struct drm_file *f);
96int drm_legacy_lock_free(struct drm_lock_data *lock, unsigned int ctx);
97
98/* DMA support */
99int drm_legacy_dma_setup(struct drm_device *dev);
100void drm_legacy_dma_takedown(struct drm_device *dev);
101void drm_legacy_free_buffer(struct drm_device *dev,
102			    struct drm_buf * buf);
103void drm_legacy_reclaim_buffers(struct drm_device *dev,
104				struct drm_file *filp);
105
106/* Scatter Gather Support */
107void drm_legacy_sg_cleanup(struct drm_device *dev);
108int drm_legacy_sg_alloc(struct drm_device *dev, void *data,
109			struct drm_file *file_priv);
110int drm_legacy_sg_free(struct drm_device *dev, void *data,
111		       struct drm_file *file_priv);
112
113#endif /* __DRM_LEGACY_H__ */
114