/************************************************************************************* * $Id$ *  * 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 0static 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 0DumpRageTheatreRegsByName(t);#endif	   return t;}