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
5 * Copyright 2000 Silicon Integrated Systems Corp, Inc., HsinChu, Taiwan.
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:
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
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.
28 * Sung-Ching Lin <sclin@sis.com.tw>
35 /* Set Data Structure */
39 typedef unsigned long ITEM_TYPE
;
43 int alloc_next
, free_next
;
50 list_item_t list
[SET_SIZE
];
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
);
61 * GLX Hardware Device Driver common code
62 * Copyright (C) 1999 Wittawat Yamwong
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:
71 * The above copyright notice and this permission notice shall be included
72 * in all copies or substantial portions of the Software.
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.
85 struct mem_block_t
*next
;
86 struct mem_block_t
*heap
;
90 unsigned int reserved
:1;
92 typedef struct mem_block_t TMemBlock
;
93 typedef struct mem_block_t
*PMemBlock
;
95 /* a heap is just the first block in a chain */
96 typedef struct mem_block_t memHeap_t
;
98 static __inline__
int mmBlockSize(PMemBlock b
)
103 static __inline__
int mmOffset(PMemBlock b
)
108 static __inline__
void mmMarkReserved(PMemBlock b
)
114 * input: total size in bytes
115 * return: a heap pointer if OK, NULL if error
117 memHeap_t
*mmInit(int ofs
, int size
);
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
129 PMemBlock
mmAllocMem(memHeap_t
* heap
, int size
, int align2
, int startSearch
);
132 * Returns 1 if the block 'b' is part of the heap 'heap'
134 int mmBlockInHeap(PMemBlock heap
, PMemBlock b
);
137 * Free block starts at offset
138 * input: pointer to a block
139 * return: 0 if OK, -1 if error
141 int mmFreeMem(PMemBlock b
);
143 /* For debuging purpose. */
144 void mmDumpMemInfo(memHeap_t
* mmInit
);
146 #endif /* __SIS_DS_H__ */