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Diffstat (limited to 'drivers/char/drm/sis_ds.c')
-rw-r--r--drivers/char/drm/sis_ds.c299
1 files changed, 0 insertions, 299 deletions
diff --git a/drivers/char/drm/sis_ds.c b/drivers/char/drm/sis_ds.c
deleted file mode 100644
index 2e485d48294..00000000000
--- a/drivers/char/drm/sis_ds.c
+++ /dev/null
@@ -1,299 +0,0 @@
-/* sis_ds.c -- 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>
- *
- */
-
-#include "drmP.h"
-#include "drm.h"
-#include "sis_ds.h"
-
-/* Set Data Structure, not check repeated value
- * temporarily used
- */
-
-set_t *setInit(void)
-{
- int i;
- set_t *set;
-
- 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].alloc_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 free = set->free;
-
- if (free != -1) {
- set->list[free].val = item;
- set->free = set->list[free].free_next;
- } else {
- return 0;
- }
-
- set->list[free].alloc_next = set->alloc;
- set->alloc = free;
- set->list[free].free_next = -1;
-
- return 1;
-}
-
-int setDel(set_t * set, ITEM_TYPE item)
-{
- int alloc = set->alloc;
- int prev = -1;
-
- while (alloc != -1) {
- if (set->list[alloc].val == item) {
- if (prev != -1)
- set->list[prev].alloc_next =
- set->list[alloc].alloc_next;
- else
- set->alloc = set->list[alloc].alloc_next;
- break;
- }
- prev = alloc;
- alloc = set->list[alloc].alloc_next;
- }
-
- if (alloc == -1)
- return 0;
-
- set->list[alloc].free_next = set->free;
- set->free = alloc;
- set->list[alloc].alloc_next = -1;
-
- return 1;
-}
-
-/* setFirst -> setAdd -> setNext is wrong */
-
-int setFirst(set_t * set, ITEM_TYPE * item)
-{
- if (set->alloc == -1)
- return 0;
-
- *item = set->list[set->alloc].val;
- set->trace = set->list[set->alloc].alloc_next;
-
- return 1;
-}
-
-int setNext(set_t * set, ITEM_TYPE * item)
-{
- if (set->trace == -1)
- return 0;
-
- *item = set->list[set->trace].val;
- set->trace = set->list[set->trace].alloc_next;
-
- return 1;
-}
-
-int setDestroy(set_t * set)
-{
- drm_free(set, sizeof(set_t), DRM_MEM_DRIVER);
-
- return 1;
-}
-
-/*
- * 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.
- *
- */
-
-#define ISFREE(bptr) ((bptr)->free)
-
-memHeap_t *mmInit(int ofs, int size)
-{
- PMemBlock blocks;
-
- if (size <= 0)
- return NULL;
-
- 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;
- } else
- return NULL;
-}
-
-/* Checks if a pointer 'b' is part of the heap 'heap' */
-int mmBlockInHeap(memHeap_t * heap, PMemBlock b)
-{
- TMemBlock *p;
-
- if (heap == NULL || b == NULL)
- return 0;
-
- p = heap;
- while (p != NULL && p != b) {
- p = p->next;
- }
- if (p == b)
- return 1;
- else
- return 0;
-}
-
-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->ofs = startofs;
- newblock->size = p->size - (startofs - p->ofs);
- newblock->free = 1;
- newblock->next = p->next;
- p->size -= newblock->size;
- p->next = newblock;
- p = newblock;
- }
-
- /* break right */
- if (size < p->size) {
- newblock = (TMemBlock *) drm_calloc(1, sizeof(TMemBlock),
- DRM_MEM_DRIVER);
- newblock->ofs = startofs + size;
- newblock->size = p->size - size;
- newblock->free = 1;
- newblock->next = p->next;
- p->size = size;
- p->next = newblock;
- }
-
- /* p = middle block */
- p->align = alignment;
- p->free = 0;
- p->reserved = reserved;
- return p;
-}
-
-PMemBlock mmAllocMem(memHeap_t * heap, int size, int align2, int startSearch)
-{
- int mask, startofs, endofs;
- TMemBlock *p;
-
- if (heap == NULL || align2 < 0 || size <= 0)
- return NULL;
-
- mask = (1 << align2) - 1;
- startofs = 0;
- p = (TMemBlock *) heap;
- while (p != NULL) {
- if (ISFREE(p)) {
- startofs = (p->ofs + mask) & ~mask;
- if (startofs < startSearch) {
- startofs = startSearch;
- }
- 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->heap = heap;
- return 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);
- return 1;
- }
- return 0;
-}
-
-int mmFreeMem(PMemBlock b)
-{
- TMemBlock *p, *prev;
-
- if (b == NULL)
- return 0;
- if (b->heap == NULL)
- return -1;
-
- p = b->heap;
- prev = NULL;
- while (p != NULL && p != b) {
- prev = p;
- p = p->next;
- }
- if (p == NULL || p->free || p->reserved)
- return -1;
-
- p->free = 1;
- Join2Blocks(p);
- if (prev)
- Join2Blocks(prev);
- return 0;
-}
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