/* $XFree86: xc/programs/Xserver/hw/xfree86/SuperProbe/Oak.c,v 3.4 1996/12/23 06:31:29 dawes Exp $ */ /* * (c) Copyright 1993,1994 by David Wexelblat * * 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 David Wexelblat shall not be * used in advertising or otherwise to promote the sale, use or other dealings * in this Software without prior written authorization from David Wexelblat. * */ /* $XConsortium: Oak.c /main/5 1996/02/21 17:11:32 kaleb $ */ #include "Probe.h" static Word Ports[] = {0x3DE, 0x3DF}; #define NUMPORTS (sizeof(Ports)/sizeof(Word)) static int MemProbe_Oak __STDCARGS((int)); Chip_Descriptor Oak_Descriptor = { "Oak", Probe_Oak, Ports, NUMPORTS, FALSE, FALSE, TRUE, MemProbe_Oak, }; Bool Probe_Oak(Chipset) int *Chipset; { Byte temp; Bool result = FALSE; EnableIOPorts(NUMPORTS, Ports); if (testinx2(0x3DE, 0x0D, 0x38)) { result = TRUE; if (testinx2(0x3DE, 0x23, 0x1F)) { if ((rdinx(0x3DE, 0x00) & 0x02) == 0x00) { *Chipset = CHIP_OAK087; } else { *Chipset = CHIP_OAK083; } } else { temp = inp(0x3DE) >> 5; switch (temp) { case 0x00: *Chipset = CHIP_OAK037C; break; case 0x02: *Chipset = CHIP_OAK067; break; case 0x05: *Chipset = CHIP_OAK077; break; case 0x07: *Chipset = CHIP_OAK057; break; default: Chip_data = temp; *Chipset = CHIP_OAK_UNK; break; } } } DisableIOPorts(NUMPORTS, Ports); return(result); } static int MemProbe_Oak(Chipset) int Chipset; { int Mem = 0; EnableIOPorts(NUMPORTS, Ports); switch (Chipset) { case CHIP_OAK083: case CHIP_OAK087: switch (rdinx(0x3DE, 0x02) & 0x06) { case 0x00: Mem = 256; break; case 0x02: Mem = 512; break; case 0x04: Mem = 1024; break; case 0x06: Mem = 2048; break; } break; default: switch (rdinx(0x3DE, 0x0D) >> 6) { case 0x00: Mem = 256; break; case 0x02: Mem = 512; break; case 0x01: case 0x03: Mem = 1024; break; } break; } DisableIOPorts(NUMPORTS, Ports); return(Mem); }