theatre_detect.c revision 68105dcb 
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 1.1.1.3  2012/09/23 19:49:19  veego
26 * initial import of xf86-video-ati-6.14.6.
27 *
28 * NetBSD note: The libdrm requirement seems to be KMS related which we do
29 *              not have.
30 *
31 * * 6.15.6
32 *   This version requires the latest libdrm 2.4.36 release, and fixes a few
33 *   other bugs seen since 6.14.5.
34 * * 6.14.5
35 *   - add solid picture accel
36 *   - tiling fixes
37 *   - new pci ids
38 *   - 6xx-9xx Xv improvements
39 *   - support for upcoming xserver API changes
40 *   - bug fixes
41 *
42 * Revision 1.4  2005/08/28 18:00:23  bogdand
43 * Modified the licens type from GPL to a X/MIT one
44 *
45 * Revision 1.3  2005/07/11 02:29:45  ajax
46 * Prep for modular builds by adding guarded #include "config.h" everywhere.
47 *
48 * Revision 1.2  2005/07/01 22:43:11  daniels
49 * Change all misc.h and os.h references to <X11/foo.h>.
50 *
51 *
52 ************************************************************************************/
53
54#ifdef HAVE_CONFIG_H
55#include "config.h"
56#endif
57
58#include <string.h>
59#include "xf86.h"
60#include "generic_bus.h"
61#include "theatre.h"
62#include "theatre_reg.h"
63#include "theatre_detect.h"
64
65static Bool theatre_read(TheatrePtr t,uint32_t reg, uint32_t *data)
66{
67   if(t->theatre_num<0)return FALSE;
68   return t->VIP->read(t->VIP, ((t->theatre_num & 0x3)<<14) | reg,4, (uint8_t *) data);
69}
70
71/* Unused code - reference */
72#if 0
73static Bool theatre_write(TheatrePtr t,uint32_t reg, uint32_t data)
74{
75   if(t->theatre_num<0)return FALSE;
76   return t->VIP->write(t->VIP,((t->theatre_num & 0x03)<<14) | reg,4, (uint8_t *) &data);
77}
78#define RT_regw(reg,data)	theatre_write(t,(reg),(data))
79#endif
80
81#define RT_regr(reg,data)	theatre_read(t,(reg),(data))
82#define VIP_TYPE      "ATI VIP BUS"
83
84
85_X_EXPORT TheatrePtr DetectTheatre(GENERIC_BUS_Ptr b)
86{
87   TheatrePtr t;
88   int i;
89   uint32_t val;
90   char s[20];
91
92   b->ioctl(b,GB_IOCTL_GET_TYPE,20,s);
93   if(strcmp(VIP_TYPE, s)){
94   xf86DrvMsg(b->pScrn->scrnIndex, X_ERROR, "DetectTheatre must be called with bus of type \"%s\", not \"%s\"\n",
95          VIP_TYPE, s);
96   return NULL;
97   }
98
99   t = calloc(1,sizeof(TheatreRec));
100   t->VIP = b;
101   t->theatre_num = -1;
102   t->mode=MODE_UNINITIALIZED;
103
104   b->read(b, VIP_VIP_VENDOR_DEVICE_ID, 4, (uint8_t *)&val);
105   for(i=0;i<4;i++)
106   {
107	if(b->read(b, ((i & 0x03)<<14) | VIP_VIP_VENDOR_DEVICE_ID, 4, (uint8_t *)&val))
108        {
109	  if(val)xf86DrvMsg(b->pScrn->scrnIndex, X_INFO,
110			    "Device %d on VIP bus ids as 0x%08x\n", i,
111			    (unsigned)val);
112	  if(t->theatre_num>=0)continue; /* already found one instance */
113	  switch(val){
114	  	case RT100_ATI_ID:
115	           t->theatre_num=i;
116		   t->theatre_id=RT100_ATI_ID;
117		   break;
118		case RT200_ATI_ID:
119	           t->theatre_num=i;
120		   t->theatre_id=RT200_ATI_ID;
121		   break;
122                }
123	} else {
124	  xf86DrvMsg(b->pScrn->scrnIndex, X_INFO, "No response from device %d on VIP bus\n",i);
125	}
126   }
127   if(t->theatre_num>=0)xf86DrvMsg(b->pScrn->scrnIndex, X_INFO,
128				   "Detected Rage Theatre as device %d on VIP bus with id 0x%08x\n",
129				   t->theatre_num, (unsigned)t->theatre_id);
130
131   if(t->theatre_num < 0)
132   {
133   free(t);
134   return NULL;
135   }
136
137   RT_regr(VIP_VIP_REVISION_ID, &val);
138   xf86DrvMsg(b->pScrn->scrnIndex, X_INFO, "Detected Rage Theatre revision %8.8X\n",
139	      (unsigned)val);
140
141#if 0
142DumpRageTheatreRegsByName(t);
143#endif
144
145   return t;
146}
147
148