summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/drm_legacy.h
blob: 974c2be6bcd57e4367cb74da45f9f98fb55eb088 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
#ifndef __DRM_LEGACY_H__
#define __DRM_LEGACY_H__

/*
 * Copyright (c) 2014 David Herrmann <dh.herrmann@gmail.com>
 *
 * 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.
 */

/*
 * This file contains legacy interfaces that modern drm drivers
 * should no longer be using. They cannot be removed as legacy
 * drivers use them, and removing them are API breaks.
 */
#include <linux/list.h>
#include <drm/drm_legacy.h>

struct agp_memory;
struct drm_device;
struct drm_file;

/*
 * Generic DRM Contexts
 */

#define DRM_KERNEL_CONTEXT		0
#define DRM_RESERVED_CONTEXTS		1

void drm_legacy_ctxbitmap_init(struct drm_device *dev);
void drm_legacy_ctxbitmap_cleanup(struct drm_device *dev);
void drm_legacy_ctxbitmap_free(struct drm_device *dev, int ctx_handle);
void drm_legacy_ctxbitmap_flush(struct drm_device *dev, struct drm_file *file);

int drm_legacy_resctx(struct drm_device *d, void *v, struct drm_file *f);
int drm_legacy_addctx(struct drm_device *d, void *v, struct drm_file *f);
int drm_legacy_getctx(struct drm_device *d, void *v, struct drm_file *f);
int drm_legacy_switchctx(struct drm_device *d, void *v, struct drm_file *f);
int drm_legacy_newctx(struct drm_device *d, void *v, struct drm_file *f);
int drm_legacy_rmctx(struct drm_device *d, void *v, struct drm_file *f);

int drm_legacy_setsareactx(struct drm_device *d, void *v, struct drm_file *f);
int drm_legacy_getsareactx(struct drm_device *d, void *v, struct drm_file *f);

/*
 * Generic Buffer Management
 */

#define DRM_MAP_HASH_OFFSET 0x10000000

int drm_legacy_getmap_ioctl(struct drm_device *dev, void *data,
			    struct drm_file *file_priv);
int drm_legacy_addmap_ioctl(struct drm_device *d, void *v, struct drm_file *f);
int drm_legacy_rmmap_ioctl(struct drm_device *d, void *v, struct drm_file *f);
int drm_legacy_addbufs(struct drm_device *d, void *v, struct drm_file *f);
int drm_legacy_infobufs(struct drm_device *d, void *v, struct drm_file *f);
int drm_legacy_markbufs(struct drm_device *d, void *v, struct drm_file *f);
int drm_legacy_freebufs(struct drm_device *d, void *v, struct drm_file *f);
int drm_legacy_mapbufs(struct drm_device *d, void *v, struct drm_file *f);
int drm_legacy_dma_ioctl(struct drm_device *d, void *v, struct drm_file *f);

int __drm_legacy_infobufs(struct drm_device *, void *, int *,
			  int (*)(void *, int, struct drm_buf_entry *));
int __drm_legacy_mapbufs(struct drm_device *, void *, int *,
			  void __user **,
			  int (*)(void *, int, unsigned long, struct drm_buf *),
			  struct drm_file *);

void drm_legacy_master_rmmaps(struct drm_device *dev,
			      struct drm_master *master);
void drm_legacy_rmmaps(struct drm_device *dev);

#ifdef CONFIG_DRM_VM
void drm_legacy_vma_flush(struct drm_device *d);
#else
static inline void drm_legacy_vma_flush(struct drm_device *d)
{
	/* do nothing */
}
#endif

/*
 * AGP Support
 */

struct drm_agp_mem {
	unsigned long handle;
	struct agp_memory *memory;
	unsigned long bound;
	int pages;
	struct list_head head;
};

/* drm_lock.c */
int drm_legacy_lock(struct drm_device *d, void *v, struct drm_file *f);
int drm_legacy_unlock(struct drm_device *d, void *v, struct drm_file *f);
void drm_legacy_lock_release(struct drm_device *dev, struct file *filp);

/* DMA support */
int drm_legacy_dma_setup(struct drm_device *dev);
void drm_legacy_dma_takedown(struct drm_device *dev);
void drm_legacy_free_buffer(struct drm_device *dev,
			    struct drm_buf * buf);
void drm_legacy_reclaim_buffers(struct drm_device *dev,
				struct drm_file *filp);

/* Scatter Gather Support */
void drm_legacy_sg_cleanup(struct drm_device *dev);
int drm_legacy_sg_alloc(struct drm_device *dev, void *data,
			struct drm_file *file_priv);
int drm_legacy_sg_free(struct drm_device *dev, void *data,
		       struct drm_file *file_priv);

void drm_legacy_lock_master_cleanup(struct drm_device *dev, struct drm_master *master);
#endif /* __DRM_LEGACY_H__ */