sis_ds.h revision 152909
1119895Sanholt/* sis_ds.h -- Private header for Direct Rendering Manager -*- linux-c -*- 2152909Sanholt * Created: Mon Jan 4 10:05:05 1999 by sclin@sis.com.tw 3152909Sanholt */ 4139749Simp/*- 5119895Sanholt * Copyright 2000 Silicon Integrated Systems Corp, Inc., HsinChu, Taiwan. 6119895Sanholt * All rights reserved. 7119895Sanholt * 8119895Sanholt * Permission is hereby granted, free of charge, to any person obtaining a 9119895Sanholt * copy of this software and associated documentation files (the "Software"), 10119895Sanholt * to deal in the Software without restriction, including without limitation 11119895Sanholt * the rights to use, copy, modify, merge, publish, distribute, sublicense, 12119895Sanholt * and/or sell copies of the Software, and to permit persons to whom the 13119895Sanholt * Software is furnished to do so, subject to the following conditions: 14145132Sanholt * 15119895Sanholt * The above copyright notice and this permission notice (including the next 16119895Sanholt * paragraph) shall be included in all copies or substantial portions of the 17119895Sanholt * Software. 18145132Sanholt * 19119895Sanholt * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 20119895Sanholt * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 21119895Sanholt * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 22119895Sanholt * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 23119895Sanholt * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 24119895Sanholt * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 25119895Sanholt * DEALINGS IN THE SOFTWARE. 26145132Sanholt * 27119895Sanholt * Authors: 28119895Sanholt * Sung-Ching Lin <sclin@sis.com.tw> 29145132Sanholt * 30119895Sanholt */ 31119895Sanholt 32152909Sanholt#include <sys/cdefs.h> 33152909Sanholt__FBSDID("$FreeBSD: head/sys/dev/drm/sis_ds.h 152909 2005-11-28 23:13:57Z anholt $"); 34152909Sanholt 35119895Sanholt#ifndef __SIS_DS_H__ 36119895Sanholt#define __SIS_DS_H__ 37119895Sanholt 38119895Sanholt/* Set Data Structure */ 39119895Sanholt 40119895Sanholt#define SET_SIZE 5000 41119895Sanholt 42126533Sobrientypedef unsigned long ITEM_TYPE; 43119895Sanholt 44119895Sanholttypedef struct { 45119895Sanholt ITEM_TYPE val; 46119895Sanholt int alloc_next, free_next; 47119895Sanholt} list_item_t; 48119895Sanholt 49119895Sanholttypedef struct { 50119895Sanholt int alloc; 51119895Sanholt int free; 52119895Sanholt int trace; 53119895Sanholt list_item_t list[SET_SIZE]; 54119895Sanholt} set_t; 55119895Sanholt 56119895Sanholtset_t *setInit(void); 57145132Sanholtint setAdd(set_t * set, ITEM_TYPE item); 58145132Sanholtint setDel(set_t * set, ITEM_TYPE item); 59145132Sanholtint setFirst(set_t * set, ITEM_TYPE * item); 60145132Sanholtint setNext(set_t * set, ITEM_TYPE * item); 61145132Sanholtint setDestroy(set_t * set); 62119895Sanholt 63119895Sanholt/* 64119895Sanholt * GLX Hardware Device Driver common code 65145132Sanholt * Copyright (C) 1999 Wittawat Yamwong 66119895Sanholt * 67119895Sanholt * Permission is hereby granted, free of charge, to any person obtaining a 68119895Sanholt * copy of this software and associated documentation files (the "Software"), 69119895Sanholt * to deal in the Software without restriction, including without limitation 70119895Sanholt * the rights to use, copy, modify, merge, publish, distribute, sublicense, 71119895Sanholt * and/or sell copies of the Software, and to permit persons to whom the 72119895Sanholt * Software is furnished to do so, subject to the following conditions: 73119895Sanholt * 74119895Sanholt * The above copyright notice and this permission notice shall be included 75119895Sanholt * in all copies or substantial portions of the Software. 76119895Sanholt * 77119895Sanholt * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 78119895Sanholt * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 79119895Sanholt * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 80145132Sanholt * KEITH WHITWELL, OR ANY OTHER CONTRIBUTORS BE LIABLE FOR ANY CLAIM, 81145132Sanholt * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 82145132Sanholt * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE 83119895Sanholt * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 84119895Sanholt * 85119895Sanholt */ 86119895Sanholt 87119895Sanholtstruct mem_block_t { 88119895Sanholt struct mem_block_t *next; 89119895Sanholt struct mem_block_t *heap; 90145132Sanholt int ofs, size; 91119895Sanholt int align; 92145132Sanholt unsigned int free:1; 93145132Sanholt unsigned int reserved:1; 94119895Sanholt}; 95119895Sanholttypedef struct mem_block_t TMemBlock; 96119895Sanholttypedef struct mem_block_t *PMemBlock; 97119895Sanholt 98119895Sanholt/* a heap is just the first block in a chain */ 99119895Sanholttypedef struct mem_block_t memHeap_t; 100119895Sanholt 101119895Sanholtstatic __inline__ int mmBlockSize(PMemBlock b) 102119895Sanholt{ 103119895Sanholt return b->size; 104119895Sanholt} 105119895Sanholt 106119895Sanholtstatic __inline__ int mmOffset(PMemBlock b) 107119895Sanholt{ 108119895Sanholt return b->ofs; 109119895Sanholt} 110119895Sanholt 111119895Sanholtstatic __inline__ void mmMarkReserved(PMemBlock b) 112119895Sanholt{ 113119895Sanholt b->reserved = 1; 114119895Sanholt} 115119895Sanholt 116145132Sanholt/* 117119895Sanholt * input: total size in bytes 118119895Sanholt * return: a heap pointer if OK, NULL if error 119119895Sanholt */ 120145132SanholtmemHeap_t *mmInit(int ofs, int size); 121119895Sanholt 122119895Sanholt/* 123119895Sanholt * Allocate 'size' bytes with 2^align2 bytes alignment, 124119895Sanholt * restrict the search to free memory after 'startSearch' 125119895Sanholt * depth and back buffers should be in different 4mb banks 126119895Sanholt * to get better page hits if possible 127119895Sanholt * input: size = size of block 128119895Sanholt * align2 = 2^align2 bytes alignment 129119895Sanholt * startSearch = linear offset from start of heap to begin search 130119895Sanholt * return: pointer to the allocated block, 0 if error 131119895Sanholt */ 132145132SanholtPMemBlock mmAllocMem(memHeap_t * heap, int size, int align2, int startSearch); 133119895Sanholt 134119895Sanholt/* 135119895Sanholt * Returns 1 if the block 'b' is part of the heap 'heap' 136119895Sanholt */ 137145132Sanholtint mmBlockInHeap(PMemBlock heap, PMemBlock b); 138119895Sanholt 139119895Sanholt/* 140119895Sanholt * Free block starts at offset 141119895Sanholt * input: pointer to a block 142119895Sanholt * return: 0 if OK, -1 if error 143119895Sanholt */ 144145132Sanholtint mmFreeMem(PMemBlock b); 145119895Sanholt 146119895Sanholt/* For debuging purpose. */ 147145132Sanholtvoid mmDumpMemInfo(memHeap_t * mmInit); 148119895Sanholt 149145132Sanholt#endif /* __SIS_DS_H__ */ 150