diff options
author | Thomas Hellstrom <thomas@tungstengraphics.com> | 2006-08-07 08:03:22 -0400 |
---|---|---|
committer | Dave Airlie <airlied@linux.ie> | 2006-09-21 15:32:31 -0400 |
commit | ce65a44de07f73ceda1749812b75086b7add408d (patch) | |
tree | 9656065df50d0125b834e100aa2f5038c8d207e7 /drivers/char/drm/sis_ds.h | |
parent | 3a1bd924f36da202e480a0e0174b2878c0924a05 (diff) |
drm: add drm simple memory manager support for SiS and VIA drivers
This add support to the SiS and VIA drivers for the simple memory manager.
This fixes a lot of problems with the current simple code these drivers used,
including locking and SMP issues.
Signed-off-by: Dave Airlie <airlied@linux.ie>
Diffstat (limited to 'drivers/char/drm/sis_ds.h')
-rw-r--r-- | drivers/char/drm/sis_ds.h | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/drivers/char/drm/sis_ds.h b/drivers/char/drm/sis_ds.h deleted file mode 100644 index 94f2b4728b63..000000000000 --- a/drivers/char/drm/sis_ds.h +++ /dev/null | |||
@@ -1,146 +0,0 @@ | |||
1 | /* sis_ds.h -- Private header for Direct Rendering Manager -*- linux-c -*- | ||
2 | * Created: Mon Jan 4 10:05:05 1999 by sclin@sis.com.tw | ||
3 | */ | ||
4 | /* | ||
5 | * Copyright 2000 Silicon Integrated Systems Corp, Inc., HsinChu, Taiwan. | ||
6 | * All rights reserved. | ||
7 | * | ||
8 | * Permission is hereby granted, free of charge, to any person obtaining a | ||
9 | * copy of this software and associated documentation files (the "Software"), | ||
10 | * to deal in the Software without restriction, including without limitation | ||
11 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | ||
12 | * and/or sell copies of the Software, and to permit persons to whom the | ||
13 | * Software is furnished to do so, subject to the following conditions: | ||
14 | * | ||
15 | * The above copyright notice and this permission notice (including the next | ||
16 | * paragraph) shall be included in all copies or substantial portions of the | ||
17 | * Software. | ||
18 | * | ||
19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
20 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
21 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | ||
22 | * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR | ||
23 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | ||
24 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | ||
25 | * DEALINGS IN THE SOFTWARE. | ||
26 | * | ||
27 | * Authors: | ||
28 | * Sung-Ching Lin <sclin@sis.com.tw> | ||
29 | * | ||
30 | */ | ||
31 | |||
32 | #ifndef __SIS_DS_H__ | ||
33 | #define __SIS_DS_H__ | ||
34 | |||
35 | /* Set Data Structure */ | ||
36 | |||
37 | #define SET_SIZE 5000 | ||
38 | |||
39 | typedef unsigned long ITEM_TYPE; | ||
40 | |||
41 | typedef struct { | ||
42 | ITEM_TYPE val; | ||
43 | int alloc_next, free_next; | ||
44 | } list_item_t; | ||
45 | |||
46 | typedef struct { | ||
47 | int alloc; | ||
48 | int free; | ||
49 | int trace; | ||
50 | list_item_t list[SET_SIZE]; | ||
51 | } set_t; | ||
52 | |||
53 | set_t *setInit(void); | ||
54 | int setAdd(set_t * set, ITEM_TYPE item); | ||
55 | int setDel(set_t * set, ITEM_TYPE item); | ||
56 | int setFirst(set_t * set, ITEM_TYPE * item); | ||
57 | int setNext(set_t * set, ITEM_TYPE * item); | ||
58 | int setDestroy(set_t * set); | ||
59 | |||
60 | /* | ||
61 | * GLX Hardware Device Driver common code | ||
62 | * Copyright (C) 1999 Wittawat Yamwong | ||
63 | * | ||
64 | * Permission is hereby granted, free of charge, to any person obtaining a | ||
65 | * copy of this software and associated documentation files (the "Software"), | ||
66 | * to deal in the Software without restriction, including without limitation | ||
67 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | ||
68 | * and/or sell copies of the Software, and to permit persons to whom the | ||
69 | * Software is furnished to do so, subject to the following conditions: | ||
70 | * | ||
71 | * The above copyright notice and this permission notice shall be included | ||
72 | * in all copies or substantial portions of the Software. | ||
73 | * | ||
74 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | ||
75 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
76 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | ||
77 | * WITTAWAT YAMWONG, OR ANY OTHER CONTRIBUTORS BE LIABLE FOR ANY CLAIM, | ||
78 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR | ||
79 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE | ||
80 | * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | ||
81 | * | ||
82 | */ | ||
83 | |||
84 | struct mem_block_t { | ||
85 | struct mem_block_t *next; | ||
86 | struct mem_block_t *heap; | ||
87 | int ofs, size; | ||
88 | int align; | ||
89 | unsigned int free:1; | ||
90 | unsigned int reserved:1; | ||
91 | }; | ||
92 | typedef struct mem_block_t TMemBlock; | ||
93 | typedef struct mem_block_t *PMemBlock; | ||
94 | |||
95 | /* a heap is just the first block in a chain */ | ||
96 | typedef struct mem_block_t memHeap_t; | ||
97 | |||
98 | static __inline__ int mmBlockSize(PMemBlock b) | ||
99 | { | ||
100 | return b->size; | ||
101 | } | ||
102 | |||
103 | static __inline__ int mmOffset(PMemBlock b) | ||
104 | { | ||
105 | return b->ofs; | ||
106 | } | ||
107 | |||
108 | static __inline__ void mmMarkReserved(PMemBlock b) | ||
109 | { | ||
110 | b->reserved = 1; | ||
111 | } | ||
112 | |||
113 | /* | ||
114 | * input: total size in bytes | ||
115 | * return: a heap pointer if OK, NULL if error | ||
116 | */ | ||
117 | memHeap_t *mmInit(int ofs, int size); | ||
118 | |||
119 | /* | ||
120 | * Allocate 'size' bytes with 2^align2 bytes alignment, | ||
121 | * restrict the search to free memory after 'startSearch' | ||
122 | * depth and back buffers should be in different 4mb banks | ||
123 | * to get better page hits if possible | ||
124 | * input: size = size of block | ||
125 | * align2 = 2^align2 bytes alignment | ||
126 | * startSearch = linear offset from start of heap to begin search | ||
127 | * return: pointer to the allocated block, 0 if error | ||
128 | */ | ||
129 | PMemBlock mmAllocMem(memHeap_t * heap, int size, int align2, int startSearch); | ||
130 | |||
131 | /* | ||
132 | * Returns 1 if the block 'b' is part of the heap 'heap' | ||
133 | */ | ||
134 | int mmBlockInHeap(PMemBlock heap, PMemBlock b); | ||
135 | |||
136 | /* | ||
137 | * Free block starts at offset | ||
138 | * input: pointer to a block | ||
139 | * return: 0 if OK, -1 if error | ||
140 | */ | ||
141 | int mmFreeMem(PMemBlock b); | ||
142 | |||
143 | /* For debuging purpose. */ | ||
144 | void mmDumpMemInfo(memHeap_t * mmInit); | ||
145 | |||
146 | #endif /* __SIS_DS_H__ */ | ||