diff options
Diffstat (limited to 'drivers/char/drm/sis_ds.c')
-rw-r--r-- | drivers/char/drm/sis_ds.c | 82 |
1 files changed, 40 insertions, 42 deletions
diff --git a/drivers/char/drm/sis_ds.c b/drivers/char/drm/sis_ds.c index e37ed8ce48d..2e485d48294 100644 --- a/drivers/char/drm/sis_ds.c +++ b/drivers/char/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 @@ -22,10 +22,10 @@ * 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 "drmP.h" @@ -41,13 +41,13 @@ 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; @@ -55,10 +55,10 @@ 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; @@ -67,16 +67,16 @@ 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) { @@ -103,7 +103,7 @@ 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; @@ -114,7 +114,7 @@ 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; @@ -125,7 +125,7 @@ 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); @@ -149,35 +149,34 @@ 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 - * 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 + * 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; @@ -194,16 +193,16 @@ int mmBlockInHeap(memHeap_t *heap, PMemBlock b) return 0; } -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; @@ -215,8 +214,8 @@ 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; @@ -232,37 +231,37 @@ 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; @@ -295,7 +294,6 @@ int mmFreeMem(PMemBlock b) p->free = 1; Join2Blocks(p); if (prev) - Join2Blocks(prev); + Join2Blocks(prev); return 0; } - |