* 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
* 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>
- *
+ *
*/
-#include "sis.h"
#include "drmP.h"
#include "drm.h"
#include "sis_ds.h"
int i;
set_t *set;
- set = (set_t *)DRM(alloc)(sizeof(set_t), DRM_MEM_DRIVER);
+ set = (set_t *) drm_alloc(sizeof(set_t), DRM_MEM_DRIVER);
if (set != NULL) {
for (i = 0; i < SET_SIZE; i++) {
- set->list[i].free_next = i + 1;
+ set->list[i].free_next = i + 1;
set->list[i].alloc_next = -1;
}
- set->list[SET_SIZE-1].free_next = -1;
+ set->list[SET_SIZE - 1].free_next = -1;
set->free = 0;
set->alloc = -1;
set->trace = -1;
return set;
}
-int setAdd(set_t *set, ITEM_TYPE item)
+int setAdd(set_t * set, ITEM_TYPE item)
{
int free = set->free;
-
+
if (free != -1) {
set->list[free].val = item;
set->free = set->list[free].free_next;
}
set->list[free].alloc_next = set->alloc;
- set->alloc = free;
- set->list[free].free_next = -1;
+ set->alloc = free;
+ set->list[free].free_next = -1;
return 1;
}
-int setDel(set_t *set, ITEM_TYPE item)
+int setDel(set_t * set, ITEM_TYPE item)
{
int alloc = set->alloc;
- int prev = -1;
+ int prev = -1;
while (alloc != -1) {
if (set->list[alloc].val == item) {
/* setFirst -> setAdd -> setNext is wrong */
-int setFirst(set_t *set, ITEM_TYPE *item)
+int setFirst(set_t * set, ITEM_TYPE * item)
{
if (set->alloc == -1)
return 0;
return 1;
}
-int setNext(set_t *set, ITEM_TYPE *item)
+int setNext(set_t * set, ITEM_TYPE * item)
{
if (set->trace == -1)
return 0;
return 1;
}
-int setDestroy(set_t *set)
+int setDestroy(set_t * set)
{
- DRM(free)(set, sizeof(set_t), DRM_MEM_DRIVER);
+ drm_free(set, sizeof(set_t), DRM_MEM_DRIVER);
return 1;
}
/*
* GLX Hardware Device Driver common code
- * Copyright (C) 1999 Keith Whitwell
+ * 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"),
* 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
- * KEITH WHITWELL, 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
+ * 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.
*
*/
#define ISFREE(bptr) ((bptr)->free)
-memHeap_t *mmInit(int ofs,
- int size)
+memHeap_t *mmInit(int ofs, int size)
{
PMemBlock blocks;
if (size <= 0)
return NULL;
- blocks = (TMemBlock *)DRM(calloc)(1, sizeof(TMemBlock), DRM_MEM_DRIVER);
+ blocks = (TMemBlock *) drm_calloc(1, sizeof(TMemBlock), DRM_MEM_DRIVER);
if (blocks != NULL) {
blocks->ofs = ofs;
blocks->size = size;
blocks->free = 1;
- return (memHeap_t *)blocks;
+ return (memHeap_t *) blocks;
} else
return NULL;
}
/* Checks if a pointer 'b' is part of the heap 'heap' */
-int mmBlockInHeap(memHeap_t *heap, PMemBlock b)
+int mmBlockInHeap(memHeap_t * heap, PMemBlock b)
{
TMemBlock *p;
return 0;
}
-/* Kludgey workaround for existing i810 server. Remove soon.
- */
-memHeap_t *mmAddRange( memHeap_t *heap,
- int ofs,
- int size )
-{
- PMemBlock blocks;
- blocks = (TMemBlock *)DRM(calloc)(2, sizeof(TMemBlock), DRM_MEM_DRIVER);
- if (blocks != NULL) {
- blocks[0].size = size;
- blocks[0].free = 1;
- blocks[0].ofs = ofs;
- blocks[0].next = &blocks[1];
-
- /* Discontinuity - stops JoinBlock from trying to join
- * non-adjacent ranges.
- */
- blocks[1].size = 0;
- blocks[1].free = 0;
- blocks[1].ofs = ofs+size;
- blocks[1].next = (PMemBlock)heap;
- return (memHeap_t *)blocks;
- } else
- return heap;
-}
-
-static TMemBlock* SliceBlock(TMemBlock *p,
- int startofs, int size,
+static TMemBlock *SliceBlock(TMemBlock * p,
+ int startofs, int size,
int reserved, int alignment)
{
TMemBlock *newblock;
/* break left */
if (startofs > p->ofs) {
- newblock = (TMemBlock*) DRM(calloc)(1, sizeof(TMemBlock),
- DRM_MEM_DRIVER);
+ newblock = (TMemBlock *) drm_calloc(1, sizeof(TMemBlock),
+ DRM_MEM_DRIVER);
newblock->ofs = startofs;
newblock->size = p->size - (startofs - p->ofs);
newblock->free = 1;
/* break right */
if (size < p->size) {
- newblock = (TMemBlock*) DRM(calloc)(1, sizeof(TMemBlock),
- DRM_MEM_DRIVER);
+ newblock = (TMemBlock *) drm_calloc(1, sizeof(TMemBlock),
+ DRM_MEM_DRIVER);
newblock->ofs = startofs + size;
newblock->size = p->size - size;
newblock->free = 1;
return p;
}
-PMemBlock mmAllocMem( memHeap_t *heap, int size, int align2, int startSearch)
+PMemBlock mmAllocMem(memHeap_t * heap, int size, int align2, int startSearch)
{
- int mask,startofs, endofs;
+ int mask, startofs, endofs;
TMemBlock *p;
-
+
if (heap == NULL || align2 < 0 || size <= 0)
return NULL;
- mask = (1 << align2)-1;
+ mask = (1 << align2) - 1;
startofs = 0;
- p = (TMemBlock *)heap;
+ p = (TMemBlock *) heap;
while (p != NULL) {
if (ISFREE(p)) {
startofs = (p->ofs + mask) & ~mask;
- if ( startofs < startSearch ) {
+ if (startofs < startSearch) {
startofs = startSearch;
}
- endofs = startofs+size;
- if (endofs <= (p->ofs+p->size))
+ endofs = startofs + size;
+ if (endofs <= (p->ofs + p->size))
break;
}
p = p->next;
}
if (p == NULL)
return NULL;
- p = SliceBlock(p,startofs,size,0,mask+1);
+ p = SliceBlock(p, startofs, size, 0, mask + 1);
p->heap = heap;
return p;
}
-static __inline__ int Join2Blocks(TMemBlock *p)
+static __inline__ int Join2Blocks(TMemBlock * p)
{
if (p->free && p->next && p->next->free) {
TMemBlock *q = p->next;
p->size += q->size;
p->next = q->next;
- DRM(free)(q, sizeof(TMemBlock), DRM_MEM_DRIVER);
+ drm_free(q, sizeof(TMemBlock), DRM_MEM_DRIVER);
return 1;
}
return 0;
p->free = 1;
Join2Blocks(p);
if (prev)
- Join2Blocks(prev);
- return 0;
-}
-
-int mmReserveMem(memHeap_t *heap, int offset,int size)
-{
- int endofs;
- TMemBlock *p;
-
- if (heap == NULL || size <= 0)
- return -1;
-
- endofs = offset + size;
- p = (TMemBlock *)heap;
- while (p && p->ofs <= offset) {
- if (ISFREE(p) && endofs <= (p->ofs+p->size)) {
- SliceBlock(p,offset,size,1,1);
- return 0;
- }
- p = p->next;
- }
- return -1;
-}
-
-int mmFreeReserved(memHeap_t *heap, int offset)
-{
- TMemBlock *p,*prev;
-
- if (heap == NULL)
- return -1;
-
- p = (TMemBlock *)heap;
- prev = NULL;
- while (p != NULL && p->ofs != offset) {
- prev = p;
- p = p->next;
- }
- if (p == NULL || !p->reserved)
- return -1;
-
- p->free = 1;
- p->reserved = 0;
- Join2Blocks(p);
- if (prev != NULL)
Join2Blocks(prev);
return 0;
}
-
-void mmDestroy(memHeap_t *heap)
-{
- TMemBlock *p,*q;
-
- if (heap == NULL)
- return;
-
- p = (TMemBlock *)heap;
- while (p != NULL) {
- q = p->next;
- DRM(free)(p, sizeof(TMemBlock), DRM_MEM_DRIVER);
- p = q;
- }
-}
git://git.onelab.eu / linux-2.6.git / blobdiff