/* $XFree86: xc/programs/Xserver/hw/xfree86/SuperProbe/Epson.c,v 1.1.2.2 1998/10/22 04:31:00 hohndel Exp $ */ /* * (c) Copyright 1998 by Thomas Mueller * * 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 * THOMAS MUELLER 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 Thomas Mueller shall not be * used in advertising or otherwise to promote the sale, use or other dealings * in this Software without prior written authorization from Thomas Mueller. * */ #include "Probe.h" static Word Ports[] = {0x3CD, 0x3DE, 0x3DF, 0x3D0, 0x3D1, 0x3D2, 0x3D3, ATR_IDX, ATR_REG_R, SEQ_IDX, SEQ_REG}; #define NUMPORTS (sizeof(Ports)/sizeof(Word)) static int MemProbe_Epson __STDCARGS((int)); Chip_Descriptor Epson_Descriptor = { "Epson", Probe_Epson, Ports, NUMPORTS, FALSE, FALSE, FALSE, MemProbe_Epson, }; Bool Probe_Epson(Chipset) int *Chipset; { Bool result = FALSE; Byte old, val; EnableIOPorts(NUMPORTS, Ports); old = inp(0x3de); outp(0x3de, 0x08); val = inp(0x3df); if ((val & 0xe0) == 0xe0) { outp(0x3de, 0x0f); /* secondary revision code */ val = inp(0x3df); if ((val & 0xf8) == 0xa0) { *Chipset = CHIP_EPSON_8110; result = TRUE; } } outp(0x3de, old); DisableIOPorts(NUMPORTS, Ports); return result; } static int MemProbe_Epson(Chipset) int Chipset; { int Mem = 0; EnableIOPorts(NUMPORTS, Ports); outp(0x3de, 3); if (inp(0x3df) & 0x40) Mem = 512; else Mem = 1024; DisableIOPorts(NUMPORTS, Ports); return(Mem); }