301 lines
6.5 KiB
C
301 lines
6.5 KiB
C
/* sis_mm.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>
|
|
*
|
|
*/
|
|
|
|
#ifdef __linux
|
|
#define __NO_VERSION__
|
|
#include <linux/sisfb.h>
|
|
#endif
|
|
|
|
#include "sis.h"
|
|
#include "drmP.h"
|
|
#include "sis_drm.h"
|
|
#include "sis_drv.h"
|
|
#include "sis_ds.h"
|
|
|
|
#define MAX_CONTEXT 100
|
|
#define VIDEO_TYPE 0
|
|
#define AGP_TYPE 1
|
|
|
|
typedef struct {
|
|
int used;
|
|
int context;
|
|
set_t *sets[2]; /* 0 for video, 1 for AGP */
|
|
} sis_context_t;
|
|
|
|
static sis_context_t global_ppriv[MAX_CONTEXT];
|
|
|
|
static int add_alloc_set(int context, int type, unsigned int val)
|
|
{
|
|
int i, retval = 0;
|
|
|
|
for(i = 0; i < MAX_CONTEXT; i++)
|
|
if(global_ppriv[i].used && global_ppriv[i].context == context){
|
|
retval = setAdd(global_ppriv[i].sets[type], val);
|
|
break;
|
|
}
|
|
return retval;
|
|
}
|
|
|
|
static int del_alloc_set(int context, int type, unsigned int val)
|
|
{
|
|
int i, retval = 0;
|
|
for(i = 0; i < MAX_CONTEXT; i++)
|
|
if(global_ppriv[i].used && global_ppriv[i].context == context){
|
|
retval = setDel(global_ppriv[i].sets[type], val);
|
|
break;
|
|
}
|
|
return retval;
|
|
}
|
|
|
|
/* fb management via fb device */
|
|
#if 1
|
|
int sis_fb_alloc( DRM_OS_IOCTL )
|
|
{
|
|
drm_sis_mem_t fb;
|
|
struct sis_memreq req;
|
|
int retval = 0;
|
|
|
|
DRM_OS_KRNFROMUSR( fb, (drm_sis_mem_t *) data, sizeof(fb) );
|
|
|
|
req.size = fb.size;
|
|
sis_malloc(&req);
|
|
if(req.offset){
|
|
/* TODO */
|
|
fb.offset = req.offset;
|
|
fb.free = req.offset;
|
|
if(!add_alloc_set(fb.context, VIDEO_TYPE, fb.free)){
|
|
DRM_DEBUG("adding to allocation set fails");
|
|
sis_free(req.offset);
|
|
retval = -1;
|
|
}
|
|
}
|
|
else{
|
|
fb.offset = 0;
|
|
fb.size = 0;
|
|
fb.free = 0;
|
|
}
|
|
|
|
DRM_OS_KRNTOUSR( (drm_sis_mem_t *) data, fb, sizeof(fb) );
|
|
|
|
DRM_DEBUG("alloc fb, size = %d, offset = %ld\n", fb.size, req.offset);
|
|
|
|
return retval;
|
|
}
|
|
|
|
int sis_fb_free( DRM_OS_IOCTL )
|
|
{
|
|
drm_sis_mem_t fb;
|
|
int retval = 0;
|
|
|
|
DRM_OS_KRNFROMUSR( fb, (drm_sis_mem_t *) data, sizeof(fb) );
|
|
|
|
if(!fb.free){
|
|
return -1;
|
|
}
|
|
|
|
sis_free(fb.free);
|
|
if(!del_alloc_set(fb.context, VIDEO_TYPE, fb.free))
|
|
retval = -1;
|
|
|
|
DRM_DEBUG("free fb, offset = %d\n", fb.free);
|
|
|
|
return retval;
|
|
}
|
|
|
|
#else
|
|
|
|
int sis_fb_alloc( DRM_OS_IOCTL )
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
int sis_fb_free( DRM_OS_IOCTL )
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
#endif
|
|
|
|
/* agp memory management */
|
|
#if 1
|
|
|
|
static memHeap_t *AgpHeap = NULL;
|
|
|
|
int sisp_agp_init( DRM_OS_IOCTL )
|
|
{
|
|
drm_sis_agp_t agp;
|
|
|
|
DRM_OS_KRNFROMUSR( agp, (drm_sis_agp_t *) data, sizeof(agp) );
|
|
|
|
AgpHeap = mmInit(agp.offset, agp.size);
|
|
|
|
DRM_DEBUG("offset = %u, size = %u", agp.offset, agp.size);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int sisp_agp_alloc( DRM_OS_IOCTL )
|
|
{
|
|
drm_sis_mem_t agp;
|
|
PMemBlock block;
|
|
int retval = 0;
|
|
|
|
if(!AgpHeap)
|
|
return -1;
|
|
|
|
DRM_OS_KRNFROMUSR( agp, (drm_sis_mem_t *) data, sizeof(agp));
|
|
|
|
block = mmAllocMem(AgpHeap, agp.size, 0, 0);
|
|
if(block){
|
|
/* TODO */
|
|
agp.offset = block->ofs;
|
|
agp.free = (unsigned int)block;
|
|
if(!add_alloc_set(agp.context, AGP_TYPE, agp.free)){
|
|
DRM_DEBUG("adding to allocation set fails");
|
|
mmFreeMem((PMemBlock)agp.free);
|
|
retval = -1;
|
|
}
|
|
}
|
|
else{
|
|
agp.offset = 0;
|
|
agp.size = 0;
|
|
agp.free = 0;
|
|
}
|
|
|
|
DRM_OS_KRNTOUSR( (drm_sis_mem_t *) data, agp, sizeof(agp) );
|
|
|
|
DRM_DEBUG("alloc agp, size = %d, offset = %d\n", agp.size, agp.offset);
|
|
|
|
return retval;
|
|
}
|
|
|
|
int sisp_agp_free( DRM_OS_IOCTL )
|
|
{
|
|
drm_sis_mem_t agp;
|
|
int retval = 0;
|
|
|
|
if(!AgpHeap)
|
|
return -1;
|
|
|
|
DRM_OS_KRNFROMUSR( agp, (drm_sis_mem_t *) data, sizeof(agp));
|
|
|
|
if(!agp.free){
|
|
return -1;
|
|
}
|
|
|
|
mmFreeMem((PMemBlock)agp.free);
|
|
if(!del_alloc_set(agp.context, AGP_TYPE, agp.free))
|
|
retval = -1;
|
|
|
|
DRM_DEBUG("free agp, free = %d\n", agp.free);
|
|
|
|
return retval;
|
|
}
|
|
|
|
#endif
|
|
|
|
int sis_init_context(int context)
|
|
{
|
|
int i;
|
|
|
|
for(i = 0; i < MAX_CONTEXT ; i++)
|
|
if(global_ppriv[i].used && (global_ppriv[i].context == context))
|
|
break;
|
|
|
|
if(i >= MAX_CONTEXT){
|
|
for(i = 0; i < MAX_CONTEXT ; i++){
|
|
if(!global_ppriv[i].used){
|
|
global_ppriv[i].context = context;
|
|
global_ppriv[i].used = 1;
|
|
global_ppriv[i].sets[0] = setInit();
|
|
global_ppriv[i].sets[1] = setInit();
|
|
DRM_DEBUG("init allocation set, socket=%d, context = %d\n",
|
|
i, context);
|
|
break;
|
|
}
|
|
}
|
|
if((i >= MAX_CONTEXT) || (global_ppriv[i].sets[0] == NULL) ||
|
|
(global_ppriv[i].sets[1] == NULL)){
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
int sis_final_context(int context)
|
|
{
|
|
int i;
|
|
|
|
for(i=0; i<MAX_CONTEXT; i++)
|
|
if(global_ppriv[i].used && (global_ppriv[i].context == context))
|
|
break;
|
|
|
|
if(i < MAX_CONTEXT){
|
|
set_t *set;
|
|
unsigned int item;
|
|
int retval;
|
|
|
|
DRM_DEBUG("find socket %d, context = %d\n", i, context);
|
|
|
|
/* Video Memory */
|
|
set = global_ppriv[i].sets[0];
|
|
retval = setFirst(set, &item);
|
|
while(retval){
|
|
DRM_DEBUG("free video memory 0x%x\n", item);
|
|
#if 0
|
|
sis_free(item);
|
|
#endif
|
|
retval = setNext(set, &item);
|
|
}
|
|
setDestroy(set);
|
|
|
|
/* AGP Memory */
|
|
set = global_ppriv[i].sets[1];
|
|
retval = setFirst(set, &item);
|
|
while(retval){
|
|
DRM_DEBUG("free agp memory 0x%x\n", item);
|
|
mmFreeMem((PMemBlock)item);
|
|
retval = setNext(set, &item);
|
|
}
|
|
setDestroy(set);
|
|
|
|
global_ppriv[i].used = 0;
|
|
}
|
|
|
|
/* turn-off auto-flip */
|
|
/* TODO */
|
|
#if defined(SIS_STEREO)
|
|
flip_final();
|
|
#endif
|
|
|
|
return 1;
|
|
}
|