/* $XFree86: xc/programs/Xserver/hw/xfree86/SuperProbe/Video7.c,v 3.5 1996/12/23 06:31:44 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: Video7.c /main/6 1996/10/24 07:10:14 kaleb $ */ #include "Probe.h" static Word Ports[] = {0x000, 0x000, SEQ_IDX, SEQ_REG}; #define NUMPORTS (sizeof(Ports)/sizeof(Word)) Chip_Descriptor Video7_Descriptor = { "Video7", Probe_Video7, Ports, NUMPORTS, FALSE, FALSE, TRUE, NULL, }; Bool Probe_Video7(Chipset) int *Chipset; { Bool result = FALSE; Byte old, old1; Word id; /* Add CRTC to enabled ports */ Ports[0] = CRTC_IDX; Ports[1] = CRTC_REG; EnableIOPorts(NUMPORTS, Ports); old = rdinx(SEQ_IDX, 0x06); wrinx(SEQ_IDX, 0x06, 0xEA); /* enable extensions */ old1 = rdinx(CRTC_IDX, 0x0C); wrinx(CRTC_IDX, 0x0C, 0x55); id = rdinx(CRTC_IDX, 0x1F); wrinx(CRTC_IDX, 0x0C, old1); if (id == (0x55 ^ 0xEA)) { /* * It's Video7 */ result = TRUE; id = (rdinx(SEQ_IDX, 0x8F) << 8) | rdinx(SEQ_IDX, 0x8E); if ((id >= 0x7000) && (id <= 0x70FF)) { *Chipset = CHIP_V7_FWRITE; } else if ((id >= 0x7140) && (id <= 0x714F)) { *Chipset = CHIP_V7_1024i; } else if (id == 0x7151) { *Chipset = CHIP_V7_VRAM2_B; } else if (id == 0x7152) { *Chipset = CHIP_V7_VRAM2_C; } else if (id == 0x7760) { *Chipset = CHIP_HT216BC; } else if (id == 0x7763) { *Chipset = CHIP_HT216D; } else if (id == 0x7764) { *Chipset = CHIP_HT216E; } else if (id == 0x7765) { *Chipset = CHIP_HT216F; } else if ((id >= 0x8000) && (id < 0xFFFF)) { *Chipset = CHIP_V7_VEGA; } else { Chip_data = id; *Chipset = CHIP_V7_UNKNOWN; } } wrinx(SEQ_IDX, 6, old); /* disable extensions */ DisableIOPorts(NUMPORTS, Ports); return(result); }