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/*************************************************************************************
* $Id$
*
* Copyright (C) 2005 Bogdan D. bogdand@users.sourceforge.net
*
* 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 THE AUTHOR 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.
*
* Except as contained in this notice, the name of the author shall not be used in advertising or
* otherwise to promote the sale, use or other dealings in this Software without prior written
* authorization from the author.
*
* $Log$
* Revision 1.4 2005/08/28 18:00:23 bogdand
* Modified the licens type from GPL to a X/MIT one
*
* Revision 1.3 2005/07/11 02:29:45 ajax
* Prep for modular builds by adding guarded #include "config.h" everywhere.
*
* Revision 1.2 2005/07/01 22:43:11 daniels
* Change all misc.h and os.h references to <X11/foo.h>.
*
*
************************************************************************************/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <string.h>
#include "xf86.h"
#include "generic_bus.h"
#include "theatre.h"
#include "theatre_reg.h"
static Bool theatre_read(TheatrePtr t,CARD32 reg, CARD32 *data)
{
if(t->theatre_num<0)return FALSE;
return t->VIP->read(t->VIP, ((t->theatre_num & 0x3)<<14) | reg,4, (CARD8 *) data);
}
/* Unused code - reference */
#if 0
static Bool theatre_write(TheatrePtr t,CARD32 reg, CARD32 data)
{
if(t->theatre_num<0)return FALSE;
return t->VIP->write(t->VIP,((t->theatre_num & 0x03)<<14) | reg,4, (CARD8 *) &data);
}
#define RT_regw(reg,data) theatre_write(t,(reg),(data))
#endif
#define RT_regr(reg,data) theatre_read(t,(reg),(data))
#define VIP_TYPE "ATI VIP BUS"
TheatrePtr DetectTheatre(GENERIC_BUS_Ptr b)
{
TheatrePtr t;
CARD32 i;
CARD32 val;
char s[20];
b->ioctl(b,GB_IOCTL_GET_TYPE,20,s);
if(strcmp(VIP_TYPE, s)){
xf86DrvMsg(b->scrnIndex, X_ERROR, "DetectTheatre must be called with bus of type \"%s\", not \"%s\"\n",
VIP_TYPE, s);
return NULL;
}
t = xcalloc(1,sizeof(TheatreRec));
t->VIP = b;
t->theatre_num = -1;
t->mode=MODE_UNINITIALIZED;
b->read(b, VIP_VIP_VENDOR_DEVICE_ID, 4, (CARD8 *)&val);
for(i=0;i<4;i++)
{
if(b->read(b, ((i & 0x03)<<14) | VIP_VIP_VENDOR_DEVICE_ID, 4, (CARD8 *)&val))
{
if(val)xf86DrvMsg(b->scrnIndex, X_INFO, "Device %ld on VIP bus ids as 0x%08lx\n",i,val);
if(t->theatre_num>=0)continue; /* already found one instance */
switch(val){
case RT100_ATI_ID:
t->theatre_num=i;
t->theatre_id=RT100_ATI_ID;
break;
case RT200_ATI_ID:
t->theatre_num=i;
t->theatre_id=RT200_ATI_ID;
break;
}
} else {
xf86DrvMsg(b->scrnIndex, X_INFO, "No response from device %ld on VIP bus\n",i);
}
}
if(t->theatre_num>=0)xf86DrvMsg(b->scrnIndex, X_INFO, "Detected Rage Theatre as device %d on VIP bus with id 0x%08lx\n",t->theatre_num,t->theatre_id);
if(t->theatre_num < 0)
{
xfree(t);
return NULL;
}
RT_regr(VIP_VIP_REVISION_ID, &val);
xf86DrvMsg(b->scrnIndex, X_INFO, "Detected Rage Theatre revision %8.8lX\n", val);
#if 0
DumpRageTheatreRegsByName(t);
#endif
return t;
}
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