/* $XConsortium: Main.c /main/11 1996/10/25 11:33:16 kaleb $ */
/*
* (c) Copyright 1993,1994 by David Wexelblat <dwex@xfree86.org>
* (c) Copyright 1994-1998 by The XFree86 Project, Inc.
*
* 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
* COPYRIGHT HOLDERS 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 copyright holders 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 copyright holders.
*
*/
/* $XFree86: xc/programs/Xserver/hw/xfree86/SuperProbe/Main.c,v 3.17.2.9 1998/10/27 05:19:53 dawes Exp $ */
#include "Probe.h"
extern void *my_malloc(size_t size);
static CONST char *SVGA_Names[NUM_VENDORS+1][CHPS_PER_VENDOR] =
{
/* dummy */ { "" },
/* Ahead */ { "Ahead|UNKNOWN|UNKNOWN",
"Ahead|V5000 Version A|VGA16",
"Ahead|V5000 Version B|VGA16" },
/* ATI */ { "ATI Technologies Inc|UNKNOWN|UNKNOWN",
"ATI Technologies Inc|18800|VGA16",
"ATI Technologies Inc|18800-1|VGA16",
"ATI Technologies Inc|28800-2|VGA16",
"ATI Technologies Inc|28800-4|VGA16",
"ATI Technologies Inc|28800-5|VGA16",
"ATI Technologies Inc|28800-6|VGA16",
"ATI Technologies Inc|68800-3|VGA16",
"ATI Technologies Inc|68800-6|VGA16",
"ATI Technologies Inc|68800LX|VGA16",
"ATI Technologies Inc|68800AX|VGA16",
"ATI Technologies Inc|88800GX-C|VGA16",
"ATI Technologies Inc|88800GX-D|VGA16",
"ATI Technologies Inc|88800GX-E|VGA16",
"ATI Technologies Inc|88800GX-F|VGA16",
"ATI Technologies Inc|88800CX|VGA16",
"ATI Technologies Inc|264CT|VGA16",
"ATI Technologies Inc|264ET|VGA16",
"ATI Technologies Inc|264VT|VGA16",
"ATI Technologies Inc|264VT-B|VGA16",
"ATI Technologies Inc|264VT3|VGA16",
"ATI Technologies Inc|264VT4|VGA16",
"ATI Technologies Inc|264GT (3D Rage I)|VGA16",
"ATI Technologies Inc|264GT-B (3D Rage II)|VGA16",
"ATI Technologies Inc|264GT-B+DVD (3D Rage II+DVD)|VGA16",
"ATI Technologies Inc|264GT-IIc (3D Rage IIc)|VGA16",
"ATI Technologies Inc|264GT3 (3D Rage III)|VGA16",
"ATI Technologies Inc|264LT|VGA16",
"ATI Technologies Inc|264LT Pro|VGA16" },
/* AL */ { "Avance Logic Inc|UNKNOWN|UNKNOWN",
"Avance Logic Inc|2101|SVGA",
"Avance Logic Inc|2228|SVGA" },
/* CT */ { "Chips and Technologies|UNKNOWN|UNKNOWN",
"Chips and Technologies|82c450|VGA16",
"Chips and Technologies|82c451|VGA16",
"Chips and Technologies|82c452|VGA16",
"Chips and Technologies|82c453|VGA16",
"Chips and Technologies|82c455|VGA16",
"Chips and Technologies|82c456|VGA16",
"Chips and Technologies|82c457|VGA16",
"Chips and Technologies|F65510|VGA16",
"Chips and Technologies|F65520|SVGA",
"Chips and Technologies|F65530|SVGA",
"Chips and Technologies|F65540|SVGA",
"Chips and Technologies|F65545|SVGA",
"Chips and Technologies|F65548|SVGA",
"Chips and Technologies|F65546|SVGA",
"Chips and Technologies|F65550|SVGA",
"Chips and Technologies|F65554|SVGA",
"Chips and Technologies|F65555|SVGA",
"Chips and Technologies|F68554|SVGA",
"Chips and Technologies|F69000|SVGA",
"Chips and Technologies|64200 WinGine|SVGA",
"Chips and Technologies|F64300 WinGine|SVGA" },
/* Cirrus */ { "Cirrus Logic|UNKNOWN|UNKNOWN",
"Cirrus Logic|CL-GD 510/520|VGA16",
"Cirrus Logic|CL-GD 610/620|VGA16",
"Cirrus Logic|Video7 OEM|VGA16",
"Cirrus Logic|AcuMos AVGA2|VGA16",
"Cirrus Logic|CL-GD5402|SVGA",
"Cirrus Logic|CL-GD5402 Rev 1|SVGA",
"Cirrus Logic|CL-GD5420|SVGA",
"Cirrus Logic|CL-GD5420 Rev 1|SVGA",
"Cirrus Logic|CL-GD5422|SVGA",
"Cirrus Logic|CL-GD5424|SVGA",
"Cirrus Logic|CL-GD5426|SVGA",
"Cirrus Logic|CL-GD5428|SVGA",
"Cirrus Logic|CL-GD5429|SVGA",
"Cirrus Logic|CL-GD5430/40|SVGA",
"Cirrus Logic|CL-GD5434|SVGA",
"Cirrus Logic|CL-GD6205|SVGA",
"Cirrus Logic|CL-GD6215|SVGA",
"Cirrus Logic|CL-GD6225|SVGA",
"Cirrus Logic|CL-GD6235|SVGA",
"Cirrus Logic|CL-GD5410|VGA16",
"Cirrus Logic|CL-GD6410|SVGA",
"Cirrus Logic|CL-GD6412|SVGA",
"Cirrus Logic|CL-GD6420A|SVGA",
"Cirrus Logic|CL-GD6420B|SVGA",
"Cirrus Logic|CL-GD6440|SVGA",
"Cirrus Logic|CL-GD5436|SVGA",
"Cirrus Logic|CL-GD7541|SVGA",
"Cirrus Logic|CL-GD7542|SVGA",
"Cirrus Logic|CL-GD7543|SVGA",
"Cirrus Logic|CL-GD5446|SVGA",
"Cirrus Logic|CL-GD5462|SVGA",
"Cirrus Logic|CL-GD7548|SVGA",
"Cirrus Logic|CL-GD5464|SVGA",
"Cirrus Logic|CL-GD5480|SVGA",
"Cirrus Logic|CL-GD5465|SVGA",
},
/* Compaq */ { "Compaq Computer Corporation|UNKNOWN|UNKNOWN",
"Compaq Computer Corporation|Vid. Graphics Sys.|VGA16",
"Compaq Computer Corporation|Advanced VGA|VGA16",
"Compaq Computer Corporation|QVision/1024|VGA16",
"Compaq Computer Corporation|QVision/1280|VGA16",
"Compaq Computer Corporation|Advanced VGA, Portable|VGA16" },
/* Genoa */ { "Genoa|GVGA 6100|VGA16",
"Genoa|GVGA 6200/6300|VGA16",
"Genoa|GVGA 6400/6600|VGA16" },
/* HMC */ { "HMC|HM86304|VGA16" },
/* MX */ { "MX|68000|VGA16",
"MX|68010|VGA16" },
/* NCR */ { "NCR|UNKNOWN|UNKNOWN",
"NCR|77C21|VGA16",
"NCR|77C22|VGA16",
"NCR|77C22E|VGA16",
"NCR|77C22E+|VGA16",
"NCR|77C32BLT|VGA16" },
/* Oak */ { "Oak Technology, Inc|UNKNOWN|UNKNOWN",
"Oak Technology, Inc|OTI037C|VGA16",
"Oak Technology, Inc|OTI-057|VGA16",
"Oak Technology, Inc|OTI-067|SVGA",
"Oak Technology, Inc|OTI-077|SVGA",
"Oak Technology, Inc|OTI-083|VGA16",
"Oak Technology, Inc|OTI-087|SVGA" },
/* Primus */ { "Primus|P2000|VGA16|UNKNOWN" },
/* Realtek */ { "Realtek|UNKNOWN|UNKNOWN",
"Realtek|RT-3103|VGA16",
"Realtek|RT-3105|VGA16",
"Realtek|RT-3106|VGA16" },
/* S3 */ { "S3 Inc.|UNKNOWN|UNKNOWN",
"S3 Inc.|S3 86C911|S3",
"S3 Inc.|S3 86C924|S3",
"S3 Inc.|S3 86C801, A or B-step|S3",
"S3 Inc.|S3 86C801, C-step|S3",
"S3 Inc.|S3 86C801, D-step|S3",
"S3 Inc.|S3 86C801i|S3",
"S3 Inc.|S3 86C805, A or B-step|S3",
"S3 Inc.|S3 86C805, C-step|S3",
"S3 Inc.|S3 86C805, D-step|S3",
"S3 Inc.|S3 86C805i|S3",
"S3 Inc.|S3 86C928, A,B,C, or D-step|S3",
"S3 Inc.|S3 86C928, E-step|S3",
"S3 Inc.|S3 86C928PCI|S3",
"S3 Inc.|S3 Vision864|S3",
"S3 Inc.|S3 Vision964|S3",
"S3 Inc.|S3 Vision866|VGA16",
"S3 Inc.|S3 Vision868|S3",
"S3 Inc.|S3 Vision968|S3",
"S3 Inc.|S3 Trio32|S3",
"S3 Inc.|S3 Trio64|S3",
"S3 Inc.|S3 Trio64V+|S3",
"S3 Inc.|S3 Vision968 & 3Dlabs 300SX|VGA16",
"S3 Inc.|S3 Vision968 & 3Dlabs (unknown)|VGA16",
"S3 Inc.|S3 ViRGE|SVGA",
"S3 Inc.|S3 ViRGE/VX|SVGA",
"S3 Inc.|S3 Aurora64V+|S3",
"S3 Inc.|S3 Trio64UV+|S3",
"S3 Inc.|S3 Trio64V2/DX|S3",
"S3 Inc.|S3 Trio64V2/GX|S3",
"S3 Inc.|S3 ViRGE/DX|SVGA",
"S3 Inc.|S3 ViRGE/GX|SVGA",
"S3 Inc.|S3 PLATO/PX|VGA16",
"S3 Inc.|S3 ViRGE/GX2|SVGA",
"S3 Inc.|S3 ViRGE/MX|SVGA",
"S3 Inc.|S3 ViRGE/MXP|SVGA",
},
/* Trident */ { "Trident Microsystems|UNKNOWN|UNKNOWN",
"Trident Microsystems|LX8200|VGA16",
"Trident Microsystems|8800BR|VGA16",
"Trident Microsystems|8800CS|VGA16",
"Trident Microsystems|8900B|SVGA",
"Trident Microsystems|8900C|SVGA",
"Trident Microsystems|8900CL/8900D|SVGA",
"Trident Microsystems|9000|SVGA",
"Trident Microsystems|9000i|SVGA",
"Trident Microsystems|LCD9100B",
"Trident Microsystems|9200CXr|SVGA",
"Trident Microsystems|LCD9320|VGA16",
"Trident Microsystems|9400CXi|SVGA",
"Trident Microsystems|GUI 9420|SVGA",
"Trident Microsystems|GUI 9420DGi|SVGA",
"Trident Microsystems|GUI 9440AGi|SVGA",
"Trident Microsystems|GUI 9660|SVGA",
"Trident Microsystems|GUI 9680|SVGA",
"Trident Microsystems|ProVidia 9682|SVGA",
"Trident Microsystems|ProVidia 9685|SVGA",
"Trident Microsystems|ProVidia 9692|SVGA",
"Trident Microsystems|Cyber9382|SVGA",
"Trident Microsystems|Cyber9385|SVGA",
"Trident Microsystems|Cyber9385-1|SVGA",
"Trident Microsystems|Cyber9388|SVGA",
"Trident Microsystems|Cyber9388-1|SVGA",
"Trident Microsystems|Cyber9397|SVGA",
"Trident Microsystems|Cyber9520|VGA16",
"Trident Microsystems|3DImage975|SVGA",
"Trident Microsystems|3DImage985|SVGA", },
/* Tseng */ { "Tseng Labs Inc|UNKNOWN|UNKNOWN",
"Tseng Labs Inc|ET3000|SVGA",
"Tseng Labs Inc|ET4000|SVGA",
"Tseng Labs Inc|ET4000/W32|W32",
"Tseng Labs Inc|ET4000/W32i|SVGA",
"Tseng Labs Inc|ET4000/W32p Rev A|SVGA",
"Tseng Labs Inc|ET4000/W32i Rev B|SVGA",
"Tseng Labs Inc|ET4000/W32i Rev C|SVGA",
"Tseng Labs Inc|ET4000/W32p Rev B|SVGA",
"Tseng Labs Inc|ET4000/W32p Rev C|SVGA",
"Tseng Labs Inc|ET4000/W32p Rev D|SVGA",
"Tseng Labs Inc|ET6000|SVGA",
"Tseng Labs Inc|ET6100|SVGA",
"Tseng Labs Inc|ET6300|VGA16"
},
/* UMC */ { "UMC|UMC 85c408|VGA16" },
/* Video7 */ { "Video7|UNKNOWN|UNKNOWN",
"Video7|FastWrite/VRAM (HT208)|VGA16",
"Video7|1024i (HT208A)|VGA16",
"Video7|VRAM II (HT208B)|VGA16",
"Video7|VRAM II (HT208C,D)|VGA16",
"Video7|HT216B,C|VGA16",
"Video7|HT216D|VGA16",
"Video7|HT216E|VGA16",
"Video7|HT216E|VGA16",
"Video7|VEGA|VGA16" },
/* WD */ { "WD/Paradise|UNKNOWN|UNKNOWN",
"WD/Paradise|PVGA1|VGA16",
"WD/Paradise|90C00|VGA16",
"WD/Paradise|90C10|VGA16",
"WD/Paradise|90C11|VGA16",
"WD/Paradise|90C20|VGA16",
"WD/Paradise|90C20A|VGA16",
"WD/Paradise|90C22|VGA16",
"WD/Paradise|90C24|SVGA",
"WD/Paradise|90C26|VGA16",
"WD/Paradise|90C27|VGA16",
"WD/Paradise|90C30|VGA16",
"WD/Paradise|90C31|VGA16",
"WD/Paradise|90C33|VGA16" },
/* Weitek */ { "Weitek|UNKNOWN|UNKNOWN)",
"Weitek|5086|VGA16",
"Weitek|5186|VGA16",
"Weitek|5286|VGA16" },
/* Yamaha */ { "Yamaha|Yamaha 6388 VPDC|VGA16" },
/* ARK */ { "ARK Logic|UNKNOWN|UNKNOWN",
"ARK Logic|ARK1000VL|SVGA",
"ARK Logic|ARK1000PV|SVGA",
"ARK Logic|ARK2000PV|SVGA",
"ARK Logic|ARK2000MT|SVGA",
"ARK Logic|ARK2000MI (Quadro64)|VGA16" },
/* Alliance */ { "Alliance Semiconductor|UNKNOWN|UNKNOWN",
"Alliance Semiconductor|ProMotion 6410|VGA16",
"Alliance Semiconductor|ProMotion 6422|SVGA",
"Alliance Semiconductor|ProMotion AT24|VGA16" },
/* Epson */ { "Epson|Epson SPC8110|SVGA" },
};
static CONST char *Herc_Names[] =
{
"", /* indices start at 1 */
"Standard",
"Plus",
"InColor",
};
struct RamDac_Name RamDac_Names[] =
{
{ "Unknown", "Non-standard but unknown DAC" },
{ "Generic", "Generic 8-bit pseudo-color DAC" },
{ "ALG1101", "Avance Logc ALG1101" },
{ "SS2410", "Diamond SS2410"},
{ "Sierra15", "Sierra SC1148{1,6,8}" },
{ "Sierra16", "Sierra SC1148{2,3,4}" },
{ "Sierra24", "Sierra 1502{5,6}" },
{ "MU9C4870", "MUSIC MU9C4870" },
{ "MU9C4910", "MUSIC MU9C4910" },
{ "ADAC1", "AcuMos ADAC1"},
{ "68830", "ATI 68830" },
{ "68860", "ATI 68860" },
{ "68875", "ATI-68875/Bt885/TLC34075" },
{ "ATIMisc", "ATI Misc 3rd-party, probably BT481" },
{ "Cirrus8", "Cirrus Logic Built-in" },
{ "Cirrus24B", "Cirrus Logic" },
{ "Cirrus24", "Cirrus Logic" },
{ "20C490", "AT&T 20C490" },
{ "20C491", "AT&T 20C491" },
{ "20C492", "AT&T 20C492" },
{ "20C493", "AT&T 20C493" },
{ "20C497", "AT&T 20C497" },
{ "Bt485", "BrookTree Bt485" },
{ "20C504", "AT&T 20C504" },
{ "20C505", "AT&T 20C505" },
{ "TVP3020", "TI 3020" },
{ "TVP3025", "TI 3025" },
{ "EDSUN", "EDSUN CEG DAC" },
{ "20C498", "AT&T 20C498/21C498" },
{ "22C498", "AT&T 22C498" },
{ "STG1700", "STG1700" },
{ "S3_GENDAC", "S3 GenDAC(86C708) and ICS5300" },
{ "S3_SDAC", "S3 SDAC(86C716)" },
{ "TVP3026", "TI ViewPoint3026" },
{ "RGB524", "IBM RGB524" },
{ "RGB514/525", "IBM RGB514/525" },
{ "RGB528", "IBM RGB528 24-bit" },
{ "STG1703", "STG 1703" },
{ "20C409", "AT&T 20C409" },
{ "20C499", "AT&T 20C499" },
{ "TKD8001", "Trident Built-In" },
{ "TGUIDAC", "Trident Built-In" },
{ "Integrated", "ATI Mach64 integrated" },
{ "MU9C1880", "Music 9C1880"},
{ "IMSG174", "Inmos G-174" },
{ "STG1702", "STG1702" },
{ "CH8398", "Chrontel 8398"},
{ "20C408", "AT&T 20C408" },
{ "TVP3030","TI ViewPoint3030" },
{ "ET6000", "Tseng Labs ET6000 built-in" },
{ "w30C516","IC Works w30C516 ZOOMDAC or AT&T 20C498" },
{ "PM642x", "Alliance ProMotion" },
{ "ICS5341", "ICS5341" },
{ "ICS5301", "ICS5301"},
{ "MGA1064SG", "Matrox Mystique built-in DAC w/clock" },
};
char MyName[20];
Word vgaIOBase;
Long Chip_data = (Long)~0;
Byte *Bios_Base = (Byte *)0;
Bool NoBIOS = FALSE;
Bool NoPCI = FALSE;
Bool PCIProbed = FALSE;
struct pci_config_reg *pcrp;
static Bool No16Bits = FALSE;
static Bool Exclusions = FALSE;
static Bool Mask10 = FALSE;
static Range *Excl_List = NULL;
static char *NoProbe = (char *)0;
static Chip_Descriptor *SVGA_Descriptors[] = {
&WD_Descriptor,
&Video7_Descriptor,
&MX_Descriptor,
&Genoa_Descriptor,
&UMC_Descriptor,
&Trident_Descriptor,
&ATI_Descriptor,
&Ahead_Descriptor,
&NCR_Descriptor,
&S3_Descriptor,
&AL_Descriptor,
&Cirrus54_Descriptor,
&Cirrus64_Descriptor,
&Epson_Descriptor, /* is detected as Tseng (has 0x3cd as Segment too) */
&Tseng_Descriptor,
&RealTek_Descriptor,
&Primus_Descriptor,
&Yamaha_Descriptor,
&Oak_Descriptor,
&Cirrus_Descriptor,
&Compaq_Descriptor,
&HMC_Descriptor,
&Weitek_Descriptor,
&ARK_Descriptor,
&Alliance_Descriptor,
&CT_Descriptor, /* I think this is screwing people up, so put it last */
NULL
};
static Bool TestChip __STDCARGS((Chip_Descriptor *, int *));
static Byte *FindBios __STDCARGS((void));
static Bool TestChip(chip_p, Chipset)
Chip_Descriptor *chip_p;
int *Chipset;
{
char *p, *p1, name[64];
if ((No16Bits) && (chip_p->bit16))
{
printf("\tSkipping %s (16-bit registers)...\n", chip_p->name);
fflush(stdout);
return(FALSE);
}
if ((NoBIOS) && (chip_p->uses_bios))
{
printf("\tSkipping %s (needs BIOS read)...\n", chip_p->name);
fflush(stdout);
return(FALSE);
}
if ((Exclusions) && (Excluded(Excl_List, chip_p, Mask10)))
{
printf("\tskipping %s (exclusion list)...\n", chip_p->name);
fflush(stdout);
return(FALSE);
}
if (NoProbe != (char *)0)
{
p1 = p = NoProbe;
while (p)
{
p1 = strchr(p1, ',');
if (p1 != NULL)
{
(void)strncpy(name, p, (p1-p) > sizeof(name) ? sizeof(name) : (p1-p));
name[sizeof(name)] = '\0';
p1++;
}
else
{
(void)strncpy(name, p, sizeof(name) - 1);
name[sizeof(name) - 1] = '\0';
}
if (StrCaseCmp(name, chip_p->name) == 0)
{
printf("\tskipping %s (noprobe list)...\n", chip_p->name);
fflush(stdout);
return(FALSE);
}
p = p1;
}
}
if (chip_p->f(Chipset))
{
return(TRUE);
}
return(FALSE);
}
static Byte *FindBios()
{
int i, score[7];
Byte buf[3];
Byte *base = (Byte *)0;
for (i=0; i < 7; i++)
{
score[i] = 1;
}
for (i=0; i < 7; i++)
{
buf[0] = buf[1] = buf[2] = (Byte)0;
if (ReadBIOS((unsigned)(0xC0000+(i<<15)), buf, 3) != 3)
{
score[i] = 0;
}
else if ((buf[0] != 0x55) || (buf[1] != 0xAA) || (buf[2] < 48))
{
score[i] = 0;
}
}
for (i=6; i >= 0; i--)
{
if (score[i] != 0)
{
base = (Byte *)(0xC0000+(i<<15));
}
}
return(base);
}
char *probe()
{
Byte copyright[5];
Word Ports[10]; /* For whatever we need */
int Primary = -1;
int RamDac = -1;
int MemVGA = -1;
int i;
Chip_Descriptor *chip_p, *matched;
Bool NoEGA = FALSE;
Bool PCIVGA = FALSE;
Bool Check_CoProc;
char *result = (char *)my_malloc(200);
char buf[50];
/*Initialization*/
if (OpenVideo() < 0)
{
free(result);
fprintf(stderr, "%s: Cannot open video\n", MyName);
return NULL;
}
/*BIOS base adress*/
if (Bios_Base == (Byte *)0)
{
Bios_Base = FindBios();
if (Bios_Base == (Byte *)0)
{
fprintf(stdout, "Could not determine BIOS base address; Assuming no EGA/VGA presents\n");
fflush(stdout);
NoEGA = TRUE;
}
}
NoPCI = FALSE;
xf86scanpci();
/*VGA/EGA card detection*/
if ((!NoBIOS) && (!NoEGA))
{
if (ReadBIOS(COPYRIGHT_BASE, copyright, 5) < 0)
{
free(result);
fprintf(stderr, "%s: Failed to read BIOS\n", MyName);
CloseVideo();
return NULL;
}
}
if (PCIVGA ||
((!NoEGA) &&
((NoBIOS) ||
((copyright[0] == 'I') &&
(copyright[1] == 'B') &&
(copyright[2] == 'M')) ||
((copyright[2] == 'P') &&
(copyright[3] == 'C') &&
(copyright[4] == 'I')))))
{
Ports[0] = 0x3CC;
EnableIOPorts(1, Ports);
vgaIOBase = (inp(0x3CC) & 0x01) ? 0x3D0 : 0x3B0;
DisableIOPorts(1, Ports);
if (!Probe_VGA(&Primary))
Primary = CHIP_EGA;
/*SVGA card detection*/
matched = &VGA_Descriptor;
for (i=0; SVGA_Descriptors[i] != NULL; i++)
{
chip_p = SVGA_Descriptors[i];
if (TestChip(chip_p, &Primary))
{
matched = chip_p;
break;
}
}
/*VGA Coprocessor detection & memory probing ability*/
Check_CoProc = matched->check_coproc;
if (matched->memcheck != (MemCheckFunc)NULL)
{
MemVGA = (*matched->memcheck)(Primary);
}
else
{
printf("Memory probe not supported for this chipset.\n");
fflush(stdout);
}
}
else if (Probe_MDA(&Primary))
{
(void)Probe_Herc(&Primary);
}
/*Process the chipset data(Primary)*/
putchar('\n');
if (Primary == -1)
{
free(result);
fprintf(stderr, "Could not identify any video\n");
return NULL;
}
else
{
if (IS_MDA(Primary))
{
free(result);
fprintf(stdout, "MDA\n");
return NULL;
}
else if (IS_HERC(Primary))
{
free(result);
fprintf(stdout, "Hercules\n");
fprintf(stdout, "\tChipset: %s\n", Herc_Names[HERC_CHIP(Primary)]);
return NULL;
}
else if (IS_CGA(Primary))
{
free(result);
fprintf(stdout, "CGA\n");
return NULL;
}
else if (IS_MCGA(Primary))
{
free(result);
fprintf(stdout, "MCGA\n");
return NULL;
}
else if (IS_EGA(Primary))
{
free(result);
fprintf(stdout, "EGA\n");
return NULL;
}
else if (IS_VGA(Primary))
{
free(result);
fprintf(stdout, "Generic VGA (or unknown SVGA)\n");
return "NONE|Generic VGA|VGA16|256|NONE";
}
else if (IS_SVGA(Primary))
{
strcpy(result, SVGA_Names[SVGA_VENDOR(Primary)][SVGA_CHIP(Primary)]);
if (MemVGA > -1)
{
if (MemVGA >> 16)
{
sprintf(buf, "|%d|", MemVGA & 0xffff);
strcat(result, buf);
}
else
sprintf(buf, "|%d|", MemVGA);
strcat(result, buf);
} else
strcat(result, "|0|");
/*RamDAC probing*/
Probe_RamDac(Primary, &RamDac);
strcat(result, RamDac_Names[DAC_CHIP(RamDac)].Long);
}
}
CloseVideo();
return result;
}
