1 /* 1 /*
2 * AGPGART backend specific includes. Not for 2 * AGPGART backend specific includes. Not for userspace consumption.
3 * 3 *
4 * Copyright (C) 2004 Silicon Graphics, Inc. <<
5 * Copyright (C) 2002-2003 Dave Jones 4 * Copyright (C) 2002-2003 Dave Jones
6 * Copyright (C) 1999 Jeff Hartmann 5 * Copyright (C) 1999 Jeff Hartmann
7 * Copyright (C) 1999 Precision Insight, Inc. 6 * Copyright (C) 1999 Precision Insight, Inc.
8 * Copyright (C) 1999 Xi Graphics, Inc. 7 * Copyright (C) 1999 Xi Graphics, Inc.
9 * 8 *
10 * Permission is hereby granted, free of charg 9 * Permission is hereby granted, free of charge, to any person obtaining a
11 * copy of this software and associated docume 10 * copy of this software and associated documentation files (the "Software"),
12 * to deal in the Software without restriction 11 * to deal in the Software without restriction, including without limitation
13 * the rights to use, copy, modify, merge, pub 12 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
14 * and/or sell copies of the Software, and to 13 * and/or sell copies of the Software, and to permit persons to whom the
15 * Software is furnished to do so, subject to 14 * Software is furnished to do so, subject to the following conditions:
16 * 15 *
17 * The above copyright notice and this permiss 16 * The above copyright notice and this permission notice shall be included
18 * in all copies or substantial portions of th 17 * in all copies or substantial portions of the Software.
19 * 18 *
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT W 19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
21 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO TH 20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINF 21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
23 * JEFF HARTMANN, OR ANY OTHER CONTRIBUTORS BE 22 * JEFF HARTMANN, OR ANY OTHER CONTRIBUTORS BE LIABLE FOR ANY CLAIM,
24 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN A 23 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
25 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNE 24 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
26 * OR THE USE OR OTHER DEALINGS IN THE SOFTWAR 25 * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 * 26 *
28 */ 27 */
29 28
30 #ifndef _AGP_BACKEND_H 29 #ifndef _AGP_BACKEND_H
31 #define _AGP_BACKEND_H 1 30 #define _AGP_BACKEND_H 1
32 31
33 #include <linux/list.h> !! 32 #ifdef __KERNEL__
>> 33
>> 34 #ifndef TRUE
>> 35 #define TRUE 1
>> 36 #endif
>> 37
>> 38 #ifndef FALSE
>> 39 #define FALSE 0
>> 40 #endif
34 41
35 enum chipset_type { 42 enum chipset_type {
36 NOT_SUPPORTED, 43 NOT_SUPPORTED,
37 SUPPORTED, 44 SUPPORTED,
38 }; 45 };
39 46
40 struct agp_version { 47 struct agp_version {
41 u16 major; 48 u16 major;
42 u16 minor; 49 u16 minor;
43 }; 50 };
44 51
45 struct agp_kern_info { 52 struct agp_kern_info {
46 struct agp_version version; 53 struct agp_version version;
47 struct pci_dev *device; 54 struct pci_dev *device;
48 enum chipset_type chipset; 55 enum chipset_type chipset;
49 unsigned long mode; 56 unsigned long mode;
50 unsigned long aper_base; !! 57 off_t aper_base;
51 size_t aper_size; 58 size_t aper_size;
52 int max_memory; /* In pages */ 59 int max_memory; /* In pages */
53 int current_memory; 60 int current_memory;
54 bool cant_use_aperture; !! 61 int cant_use_aperture;
55 unsigned long page_mask; 62 unsigned long page_mask;
56 const struct vm_operations_struct *vm_ !! 63 struct vm_operations_struct *vm_ops;
57 }; 64 };
58 65
59 /* !! 66 /*
60 * The agp_memory structure has information ab 67 * The agp_memory structure has information about the block of agp memory
61 * allocated. A caller may manipulate the nex 68 * allocated. A caller may manipulate the next and prev pointers to link
62 * each allocated item into a list. These poi 69 * each allocated item into a list. These pointers are ignored by the backend.
63 * Everything else should never be written to, 70 * Everything else should never be written to, but the caller may read any of
64 * the items to determine the status of this b !! 71 * the items to detrimine the status of this block of agp memory.
65 */ 72 */
66 73
67 struct agp_bridge_data; <<
68 <<
69 struct agp_memory { 74 struct agp_memory {
>> 75 int key;
70 struct agp_memory *next; 76 struct agp_memory *next;
71 struct agp_memory *prev; 77 struct agp_memory *prev;
72 struct agp_bridge_data *bridge; <<
73 struct page **pages; <<
74 size_t page_count; 78 size_t page_count;
75 int key; <<
76 int num_scratch_pages; 79 int num_scratch_pages;
>> 80 unsigned long *memory;
77 off_t pg_start; 81 off_t pg_start;
78 u32 type; 82 u32 type;
79 u32 physical; 83 u32 physical;
80 bool is_bound; !! 84 u8 is_bound;
81 bool is_flushed; !! 85 u8 is_flushed;
82 /* list of agp_memory mapped to the ap <<
83 struct list_head mapped_list; <<
84 /* DMA-mapped addresses */ <<
85 struct scatterlist *sg_list; <<
86 int num_sg; <<
87 }; 86 };
88 87
89 #define AGP_NORMAL_MEMORY 0 88 #define AGP_NORMAL_MEMORY 0
90 89
91 #define AGP_USER_TYPES (1 << 16) <<
92 #define AGP_USER_MEMORY (AGP_USER_TYPES) <<
93 #define AGP_USER_CACHED_MEMORY (AGP_USER_TYPES <<
94 <<
95 extern struct agp_bridge_data *agp_bridge; <<
96 extern struct list_head agp_bridges; <<
97 <<
98 extern struct agp_bridge_data *(*agp_find_brid <<
99 <<
100 extern void agp_free_memory(struct agp_memory 90 extern void agp_free_memory(struct agp_memory *);
101 extern struct agp_memory *agp_allocate_memory( !! 91 extern struct agp_memory *agp_allocate_memory(size_t, u32);
102 extern int agp_copy_info(struct agp_bridge_dat !! 92 extern int agp_copy_info(struct agp_kern_info *);
103 extern int agp_bind_memory(struct agp_memory * 93 extern int agp_bind_memory(struct agp_memory *, off_t);
104 extern int agp_unbind_memory(struct agp_memory 94 extern int agp_unbind_memory(struct agp_memory *);
105 extern void agp_enable(struct agp_bridge_data !! 95 extern void agp_enable(u32);
106 extern struct agp_bridge_data *agp_backend_acq !! 96 extern int agp_backend_acquire(void);
107 extern void agp_backend_release(struct agp_bri !! 97 extern void agp_backend_release(void);
>> 98
>> 99 /*
>> 100 * Interface between drm and agp code. When agp initializes, it makes
>> 101 * the below structure available via inter_module_register(), drm might
>> 102 * use it. Keith Owens <kaos@ocs.com.au> 28 Oct 2000.
>> 103 */
>> 104 typedef struct {
>> 105 void (*free_memory)(struct agp_memory *);
>> 106 struct agp_memory * (*allocate_memory)(size_t, u32);
>> 107 int (*bind_memory)(struct agp_memory *, off_t);
>> 108 int (*unbind_memory)(struct agp_memory *);
>> 109 void (*enable)(u32);
>> 110 int (*acquire)(void);
>> 111 void (*release)(void);
>> 112 int (*copy_info)(struct agp_kern_info *);
>> 113 } drm_agp_t;
>> 114
>> 115 extern const drm_agp_t *drm_agp_p;
108 116
>> 117 #endif /* __KERNEL__ */
109 #endif /* _AGP_BACKEN 118 #endif /* _AGP_BACKEND_H */
110 119
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