/* $XFree86: xc/programs/Xserver/hw/xfree86/SuperProbe/HMC.c,v 3.4 1996/12/23 06:31:10 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: HMC.c /main/5 1996/02/21 17:10:11 kaleb $ */ #include "Probe.h" static Word Ports[] = {SEQ_IDX, SEQ_REG}; #define NUMPORTS (sizeof(Ports)/sizeof(Word)) static int MemProbe_HMC __STDCARGS((int)); Chip_Descriptor HMC_Descriptor = { "HMC", Probe_HMC, Ports, NUMPORTS, FALSE, FALSE, TRUE, MemProbe_HMC, }; Bool Probe_HMC(Chipset) int *Chipset; { Bool result = FALSE; EnableIOPorts(NUMPORTS, Ports); if (testinx(SEQ_IDX, 0xE7) && testinx(SEQ_IDX, 0xEE)) { result = TRUE; *Chipset = CHIP_HM86304; } DisableIOPorts(NUMPORTS, Ports); return(result); } /* ARGSUSED */ static int MemProbe_HMC(Chipset) int Chipset; { int Mem = 0; EnableIOPorts(NUMPORTS, Ports); if (rdinx(SEQ_IDX, 0xE7) & 0x10) { Mem = 512; } else { Mem = 256; } DisableIOPorts(NUMPORTS, Ports); return(Mem); }