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/* $XFree86: xc/programs/Xserver/hw/xfree86/SuperProbe/I128.c,v 3.8 1999/03/14 03:21:40 dawes Exp $ */
/*
* (c) Copyright 1993,1994 by Robin Cutshaw <robin@xfree86.org>
*
* 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
* DAVID WEXELBLAT 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 Robin Cutshaw shall not be
* used in advertising or otherwise to promote the sale, use or other dealings
* in this Software without prior written authorization from Robin Cutshaw.
*
*/
/* $XConsortium: I128.c /main/6 1996/10/19 17:46:43 kaleb $ */
#include "Probe.h"
#ifdef PC98
static Word Ports[] = {0xCF8, 0xCF9, 0xCFC, 0x000 };
#else
static Word Ports[] = {0xCF8, 0xCFA, 0xCFC, 0x000 };
#endif
#define NUMPORTS (sizeof(Ports)/sizeof(Word))
#define PCI_EN 0x80000000
static int MemProbe_I128 __STDCARGS((int));
static int I128Mem = 0;
Chip_Descriptor I128_Descriptor = {
"I128",
Probe_I128,
Ports,
NUMPORTS,
FALSE,
FALSE,
FALSE,
MemProbe_I128,
};
Bool Probe_I128(Chipset)
int *Chipset;
{
Bool result = FALSE;
Word ioaddr, vendor, device, iobase;
Long id, vendordevice, tmplong1, tmplong2, pcibus, cardnum;
Byte tmp1, tmp2, configtype = 0;
EnableIOPorts(2, Ports);
outp(PCI_MODE2_ENABLE_REG, 0x00);
outp(PCI_MODE2_FORWARD_REG, 0x00);
tmp1 = inp(PCI_MODE2_ENABLE_REG);
tmp2 = inp(PCI_MODE2_FORWARD_REG);
if ((tmp1 == 0x00) && (tmp2 == 0x00))
configtype = 2;
else {
tmplong1 = inpl(PCI_MODE1_ADDRESS_REG);
outpl(PCI_MODE1_ADDRESS_REG, PCI_EN);
tmplong2 = inpl(PCI_MODE1_ADDRESS_REG);
if (tmplong2 == PCI_EN);
configtype = 1;
outpl(PCI_MODE1_ADDRESS_REG, tmplong1);
}
DisableIOPorts(2, Ports);
if (configtype == 0)
return(FALSE);
else if (configtype == 1) {
EnableIOPorts(3, Ports);
for (pcibus = 0x000000; pcibus < 0x100000; pcibus += 0x10000) {
for (cardnum = 0x00000; cardnum < 0x10000; cardnum += 0x0800) {
outpl(PCI_MODE1_ADDRESS_REG, PCI_EN | pcibus | cardnum);
tmplong1 = inpl(PCI_MODE1_DATA_REG);
vendor = (unsigned short )(tmplong1 & 0xFFFF);
device = (unsigned short )((tmplong1 >> 16) & 0xFFFF);
#ifdef DEBUG
printf("pci bus/card 0x%08x, vendor 0x%04x device 0x%04x\n",
pcibus | cardnum, vendor, device);
#endif
if ((vendor == 0x105D) &&
((device == 0x2309) || (device == 0x2339) ||
(device == 0x493D) || (device == 0x5348))) {
outpl(PCI_MODE1_ADDRESS_REG, PCI_EN | pcibus | cardnum | 0x24);
iobase = inpl(PCI_MODE1_DATA_REG) & 0xFFFFFF00;
DisableIOPorts(3, Ports);
Ports[3] = iobase + 0x18;
EnableIOPorts(4, Ports);
id = inpl(iobase + 0x18);
DisableIOPorts(4, Ports);
switch (id & 0xC0) {
case 0x00:
I128Mem = 4096;
break;
case 0x40:
I128Mem = 8192;
break;
case 0x80:
I128Mem = 16384;
break;
case 0xC0:
I128Mem = 32768;
break;
}
*Chipset = CHIP_I128;
return(TRUE);
}
}
}
/* not found */
DisableIOPorts(3, Ports);
return(FALSE);
}
/* else configtype == 2 */
EnableIOPorts(2, Ports);
outp(PCI_MODE2_ENABLE_REG, 0x80);
outp(PCI_MODE2_FORWARD_REG, 0x00);
DisableIOPorts(2, Ports);
for (ioaddr = 0xC000; ioaddr < 0xD000; ioaddr += 0x0100) {
Ports[2] = ioaddr;
Ports[3] = ioaddr + 0x24;
EnableIOPorts(NUMPORTS, Ports);
vendordevice = inpl(ioaddr);
vendor = (unsigned short )(vendordevice & 0xFFFF);
device = (unsigned short )((vendordevice >> 16) & 0xFFFF);
#ifdef DEBUG
printf("pci slot at 0x%04x, vendor 0x%04x device 0x%04x\n",
ioaddr, vendor, device);
#endif
if ((vendor != 0x105D) ||
((device != 0x2309) && (device != 0x2339) &&
(device != 0x493D) && (device != 0x5348))) {
DisableIOPorts(NUMPORTS, Ports);
continue;
}
iobase = inpl(ioaddr + 0x24) & 0xFFFFFF00;
DisableIOPorts(NUMPORTS, Ports);
Ports[2] = iobase + 0x18;
Ports[3] = 0x000;
EnableIOPorts(NUMPORTS, Ports);
id = inpl(iobase + 0x18) & 0x7FFFFFFF;
switch (id & 0xC0) {
case 0x00:
I128Mem = 4096;
break;
case 0x40:
I128Mem = 8192;
break;
case 0x80:
I128Mem = 16384;
break;
case 0xC0:
I128Mem = 32768;
break;
}
*Chipset = CHIP_I128;
result = TRUE;
DisableIOPorts(NUMPORTS, Ports);
Ports[3] = 0x0000;
break;
}
Ports[2] = Ports[3] = 0x0000;
EnableIOPorts(NUMPORTS, Ports);
outp(PCI_MODE2_ENABLE_REG, 0x00);
DisableIOPorts(NUMPORTS, Ports);
return(result);
}
static int MemProbe_I128(Chipset)
int Chipset;
{
return(I128Mem);
}
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