22f579c621
Add DRM device driver for VIA Unichrome chipsets From: Unichrome Project http://unichrome.sf.net, Erdi Chen, Thomas Hellstrom Signed-off-by: Dave Airlie <airlied@linux.ie>
104 lines
2.7 KiB
C
104 lines
2.7 KiB
C
/*
|
|
* Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
|
|
* Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
|
|
* 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, sub license,
|
|
* 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 NON-INFRINGEMENT. IN NO EVENT SHALL
|
|
* VIA, S3 GRAPHICS, 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.
|
|
*/
|
|
#ifndef _via_ds_h_
|
|
#define _via_ds_h_
|
|
|
|
#include "drmP.h"
|
|
|
|
/* Set Data Structure */
|
|
#define SET_SIZE 5000
|
|
typedef unsigned long ITEM_TYPE;
|
|
|
|
typedef struct {
|
|
ITEM_TYPE val;
|
|
int alloc_next, free_next;
|
|
} list_item_t;
|
|
|
|
typedef struct {
|
|
int alloc;
|
|
int free;
|
|
int trace;
|
|
list_item_t list[SET_SIZE];
|
|
} set_t;
|
|
|
|
set_t *via_setInit(void);
|
|
int via_setAdd(set_t * set, ITEM_TYPE item);
|
|
int via_setDel(set_t * set, ITEM_TYPE item);
|
|
int via_setFirst(set_t * set, ITEM_TYPE * item);
|
|
int via_setNext(set_t * set, ITEM_TYPE * item);
|
|
int via_setDestroy(set_t * set);
|
|
|
|
#endif
|
|
|
|
#ifndef MM_INC
|
|
#define MM_INC
|
|
|
|
struct mem_block_t {
|
|
struct mem_block_t *next;
|
|
struct mem_block_t *heap;
|
|
int ofs, size;
|
|
int align;
|
|
int free:1;
|
|
int reserved:1;
|
|
};
|
|
typedef struct mem_block_t TMemBlock;
|
|
typedef struct mem_block_t *PMemBlock;
|
|
|
|
/* a heap is just the first block in a chain */
|
|
typedef struct mem_block_t memHeap_t;
|
|
|
|
static __inline__ int mmBlockSize(PMemBlock b)
|
|
{
|
|
return b->size;
|
|
}
|
|
|
|
static __inline__ int mmOffset(PMemBlock b)
|
|
{
|
|
return b->ofs;
|
|
}
|
|
|
|
static __inline__ void mmMarkReserved(PMemBlock b)
|
|
{
|
|
b->reserved = 1;
|
|
}
|
|
|
|
/*
|
|
* input: total size in bytes
|
|
* return: a heap pointer if OK, NULL if error
|
|
*/
|
|
memHeap_t *via_mmInit(int ofs, int size);
|
|
|
|
PMemBlock via_mmAllocMem(memHeap_t * heap, int size, int align2,
|
|
int startSearch);
|
|
|
|
/*
|
|
* Free block starts at offset
|
|
* input: pointer to a block
|
|
* return: 0 if OK, -1 if error
|
|
*/
|
|
int via_mmFreeMem(PMemBlock b);
|
|
|
|
#endif
|