theatre_detect.c revision 0974d292 
1/*************************************************************************************
2 *
3 * Copyright (C) 2005 Bogdan D. bogdand@users.sourceforge.net
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a copy of this
6 * software and associated documentation files (the "Software"), to deal in the Software
7 * without restriction, including without limitation the rights to use, copy, modify,
8 * merge, publish, distribute, sublicense, and/or sell copies of the Software,
9 * and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in all copies or
12 * substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
15 * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
16 * AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM,
17 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
19 *
20 * Except as contained in this notice, the name of the author shall not be used in advertising or
21 * otherwise to promote the sale, use or other dealings in this Software without prior written
22 * authorization from the author.
23 *
24 * $Log: theatre_detect.c,v $
25 * Revision 1.1.1.2  2010/11/20 10:00:26  mrg
26 * initial import of xf86-video-ati-6.13.2
27 *
28 * Revision 1.4  2005/08/28 18:00:23  bogdand
29 * Modified the licens type from GPL to a X/MIT one
30 *
31 * Revision 1.3  2005/07/11 02:29:45  ajax
32 * Prep for modular builds by adding guarded #include "config.h" everywhere.
33 *
34 * Revision 1.2  2005/07/01 22:43:11  daniels
35 * Change all misc.h and os.h references to <X11/foo.h>.
36 *
37 *
38 ************************************************************************************/
39
40#ifdef HAVE_CONFIG_H
41#include "config.h"
42#endif
43
44#include <string.h>
45#include "xf86.h"
46#include "generic_bus.h"
47#include "theatre.h"
48#include "theatre_reg.h"
49#include "theatre_detect.h"
50
51static Bool theatre_read(TheatrePtr t,uint32_t reg, uint32_t *data)
52{
53   if(t->theatre_num<0)return FALSE;
54   return t->VIP->read(t->VIP, ((t->theatre_num & 0x3)<<14) | reg,4, (uint8_t *) data);
55}
56
57/* Unused code - reference */
58#if 0
59static Bool theatre_write(TheatrePtr t,uint32_t reg, uint32_t data)
60{
61   if(t->theatre_num<0)return FALSE;
62   return t->VIP->write(t->VIP,((t->theatre_num & 0x03)<<14) | reg,4, (uint8_t *) &data);
63}
64#define RT_regw(reg,data)	theatre_write(t,(reg),(data))
65#endif
66
67#define RT_regr(reg,data)	theatre_read(t,(reg),(data))
68#define VIP_TYPE      "ATI VIP BUS"
69
70
71_X_EXPORT TheatrePtr DetectTheatre(GENERIC_BUS_Ptr b)
72{
73   TheatrePtr t;
74   int i;
75   uint32_t val;
76   char s[20];
77
78   b->ioctl(b,GB_IOCTL_GET_TYPE,20,s);
79   if(strcmp(VIP_TYPE, s)){
80   xf86DrvMsg(b->scrnIndex, X_ERROR, "DetectTheatre must be called with bus of type \"%s\", not \"%s\"\n",
81          VIP_TYPE, s);
82   return NULL;
83   }
84
85   t = calloc(1,sizeof(TheatreRec));
86   t->VIP = b;
87   t->theatre_num = -1;
88   t->mode=MODE_UNINITIALIZED;
89
90   b->read(b, VIP_VIP_VENDOR_DEVICE_ID, 4, (uint8_t *)&val);
91   for(i=0;i<4;i++)
92   {
93	if(b->read(b, ((i & 0x03)<<14) | VIP_VIP_VENDOR_DEVICE_ID, 4, (uint8_t *)&val))
94        {
95	  if(val)xf86DrvMsg(b->scrnIndex, X_INFO,
96			    "Device %d on VIP bus ids as 0x%08x\n", i,
97			    (unsigned)val);
98	  if(t->theatre_num>=0)continue; /* already found one instance */
99	  switch(val){
100	  	case RT100_ATI_ID:
101	           t->theatre_num=i;
102		   t->theatre_id=RT100_ATI_ID;
103		   break;
104		case RT200_ATI_ID:
105	           t->theatre_num=i;
106		   t->theatre_id=RT200_ATI_ID;
107		   break;
108                }
109	} else {
110	  xf86DrvMsg(b->scrnIndex, X_INFO, "No response from device %d on VIP bus\n",i);
111	}
112   }
113   if(t->theatre_num>=0)xf86DrvMsg(b->scrnIndex, X_INFO,
114				   "Detected Rage Theatre as device %d on VIP bus with id 0x%08x\n",
115				   t->theatre_num, (unsigned)t->theatre_id);
116
117   if(t->theatre_num < 0)
118   {
119   free(t);
120   return NULL;
121   }
122
123   RT_regr(VIP_VIP_REVISION_ID, &val);
124   xf86DrvMsg(b->scrnIndex, X_INFO, "Detected Rage Theatre revision %8.8X\n",
125	      (unsigned)val);
126
127#if 0
128DumpRageTheatreRegsByName(t);
129#endif
130
131   return t;
132}
133
134