952d751a14
Cleanup SIS + TDFX drivers with latest changes from CVS. From: Eric Anholt <anholt@freebsd.org> Signed-off-by: Dave Airlie <airlied@linux.ie>
146 lines
4.5 KiB
C
146 lines
4.5 KiB
C
/* sis_ds.h -- Private header for Direct Rendering Manager -*- linux-c -*-
|
|
* Created: Mon Jan 4 10:05:05 1999 by sclin@sis.com.tw
|
|
*/
|
|
/*
|
|
* Copyright 2000 Silicon Integrated Systems Corp, Inc., HsinChu, Taiwan.
|
|
* All rights reserved.
|
|
*
|
|
* 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 (including the next
|
|
* paragraph) 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
|
|
* PRECISION INSIGHT AND/OR ITS SUPPLIERS 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.
|
|
*
|
|
* Authors:
|
|
* Sung-Ching Lin <sclin@sis.com.tw>
|
|
*
|
|
*/
|
|
|
|
#ifndef __SIS_DS_H__
|
|
#define __SIS_DS_H__
|
|
|
|
/* Set Data Structure */
|
|
|
|
#define SET_SIZE 5000
|
|
|
|
typedef unsigned long ITEM_TYPE;
|
|
|
|
typedef struct {
|
|
ITEM_TYPE val;
|
|
int alloc_next, free_next;
|
|
} list_item_t;
|
|
|
|
typedef struct {
|
|
int alloc;
|
|
int free;
|
|
int trace;
|
|
list_item_t list[SET_SIZE];
|
|
} set_t;
|
|
|
|
set_t *setInit(void);
|
|
int setAdd(set_t * set, ITEM_TYPE item);
|
|
int setDel(set_t * set, ITEM_TYPE item);
|
|
int setFirst(set_t * set, ITEM_TYPE * item);
|
|
int setNext(set_t * set, ITEM_TYPE * item);
|
|
int setDestroy(set_t * set);
|
|
|
|
/*
|
|
* GLX Hardware Device Driver common code
|
|
* Copyright (C) 1999 Wittawat Yamwong
|
|
*
|
|
* 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
|
|
* WITTAWAT YAMWONG, OR ANY OTHER CONTRIBUTORS 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.
|
|
*
|
|
*/
|
|
|
|
struct mem_block_t {
|
|
struct mem_block_t *next;
|
|
struct mem_block_t *heap;
|
|
int ofs, size;
|
|
int align;
|
|
unsigned int free:1;
|
|
unsigned int reserved:1;
|
|
};
|
|
typedef struct mem_block_t TMemBlock;
|
|
typedef struct mem_block_t *PMemBlock;
|
|
|
|
/* a heap is just the first block in a chain */
|
|
typedef struct mem_block_t memHeap_t;
|
|
|
|
static __inline__ int mmBlockSize(PMemBlock b)
|
|
{
|
|
return b->size;
|
|
}
|
|
|
|
static __inline__ int mmOffset(PMemBlock b)
|
|
{
|
|
return b->ofs;
|
|
}
|
|
|
|
static __inline__ void mmMarkReserved(PMemBlock b)
|
|
{
|
|
b->reserved = 1;
|
|
}
|
|
|
|
/*
|
|
* input: total size in bytes
|
|
* return: a heap pointer if OK, NULL if error
|
|
*/
|
|
memHeap_t *mmInit(int ofs, int size);
|
|
|
|
/*
|
|
* Allocate 'size' bytes with 2^align2 bytes alignment,
|
|
* restrict the search to free memory after 'startSearch'
|
|
* depth and back buffers should be in different 4mb banks
|
|
* to get better page hits if possible
|
|
* input: size = size of block
|
|
* align2 = 2^align2 bytes alignment
|
|
* startSearch = linear offset from start of heap to begin search
|
|
* return: pointer to the allocated block, 0 if error
|
|
*/
|
|
PMemBlock mmAllocMem(memHeap_t * heap, int size, int align2, int startSearch);
|
|
|
|
/*
|
|
* Returns 1 if the block 'b' is part of the heap 'heap'
|
|
*/
|
|
int mmBlockInHeap(PMemBlock heap, PMemBlock b);
|
|
|
|
/*
|
|
* Free block starts at offset
|
|
* input: pointer to a block
|
|
* return: 0 if OK, -1 if error
|
|
*/
|
|
int mmFreeMem(PMemBlock b);
|
|
|
|
/* For debuging purpose. */
|
|
void mmDumpMemInfo(memHeap_t * mmInit);
|
|
|
|
#endif /* __SIS_DS_H__ */
|