diff options
Diffstat (limited to 'sys/dev/drm/sis_ds.c')
-rw-r--r-- | sys/dev/drm/sis_ds.c | 175 |
1 files changed, 44 insertions, 131 deletions
diff --git a/sys/dev/drm/sis_ds.c b/sys/dev/drm/sis_ds.c index cf837a7..3f3a4b6 100644 --- a/sys/dev/drm/sis_ds.c +++ b/sys/dev/drm/sis_ds.c @@ -10,11 +10,11 @@ * 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 @@ -22,14 +22,13 @@ * 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> - * + * * $FreeBSD$ */ -#include "dev/drm/sis.h" #include "dev/drm/drmP.h" #include "dev/drm/drm.h" #include "dev/drm/sis_ds.h" @@ -43,13 +42,13 @@ set_t *setInit(void) 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; @@ -57,10 +56,10 @@ set_t *setInit(void) 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; @@ -69,16 +68,16 @@ int setAdd(set_t *set, ITEM_TYPE item) } 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) { @@ -105,7 +104,7 @@ int setDel(set_t *set, ITEM_TYPE 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; @@ -116,7 +115,7 @@ int setFirst(set_t *set, ITEM_TYPE *item) return 1; } -int setNext(set_t *set, ITEM_TYPE *item) +int setNext(set_t * set, ITEM_TYPE * item) { if (set->trace == -1) return 0; @@ -127,16 +126,16 @@ int setNext(set_t *set, ITEM_TYPE *item) 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"), @@ -151,35 +150,34 @@ int setDestroy(set_t *set) * 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 + * 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 * 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 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 0; + 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; @@ -196,42 +194,16 @@ int mmBlockInHeap(memHeap_t *heap, PMemBlock b) 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; @@ -243,8 +215,8 @@ static TMemBlock* SliceBlock(TMemBlock *p, /* 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; @@ -260,43 +232,43 @@ static TMemBlock* SliceBlock(TMemBlock *p, 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; @@ -323,65 +295,6 @@ int mmFreeMem(PMemBlock b) 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; - } -} |