diff options
author | Michael Shalayeff <mickey@cvs.openbsd.org> | 2000-07-03 19:30:25 +0000 |
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committer | Michael Shalayeff <mickey@cvs.openbsd.org> | 2000-07-03 19:30:25 +0000 |
commit | ff1778621a8b0ab188efd9fed2b26f79a8e83475 (patch) | |
tree | db9923395070a7781170d8bfd437ba71a62ff905 /sys/arch/alpha/pci/tga_conf.c | |
parent | e698fd70260d37f50e69e932cd47c047dcfb3750 (diff) |
closer approximation to an alpha using new wscons.
tga moved to dev/pci.
by request from alpha people.
Diffstat (limited to 'sys/arch/alpha/pci/tga_conf.c')
-rw-r--r-- | sys/arch/alpha/pci/tga_conf.c | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/sys/arch/alpha/pci/tga_conf.c b/sys/arch/alpha/pci/tga_conf.c index 73a65a85a23..e69de29bb2d 100644 --- a/sys/arch/alpha/pci/tga_conf.c +++ b/sys/arch/alpha/pci/tga_conf.c @@ -1,184 +0,0 @@ -/* $OpenBSD: tga_conf.c,v 1.3 1996/10/30 22:40:22 niklas Exp $ */ -/* $NetBSD: tga_conf.c,v 1.2 1996/04/12 06:09:18 cgd Exp $ */ - -/* - * Copyright (c) 1995, 1996 Carnegie-Mellon University. - * All rights reserved. - * - * Author: Chris G. Demetriou - * - * Permission to use, copy, modify and distribute this software and - * its documentation is hereby granted, provided that both the copyright - * notice and this permission notice appear in all copies of the - * software, derivative works or modified versions, and any portions - * thereof, and that both notices appear in supporting documentation. - * - * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" - * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND - * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * - * Carnegie Mellon requests users of this software to return to - * - * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU - * School of Computer Science - * Carnegie Mellon University - * Pittsburgh PA 15213-3890 - * - * any improvements or extensions that they make and grant Carnegie the - * rights to redistribute these changes. - */ - -#include <sys/param.h> -#include <sys/device.h> - -#include <dev/pci/pcivar.h> -#include <machine/tgareg.h> -#include <alpha/pci/tgavar.h> - -#undef KB -#define KB * 1024 -#undef MB -#define MB * 1024 * 1024 - -static const struct tga_conf tga_configs[TGA_TYPE_UNKNOWN] = { - /* TGA_TYPE_T8_01 */ - { - "T8-01", - &tga_ramdac_bt485, - 8, - 4 MB, - 2 KB, - 1, { 2 MB, 0 }, { 1 MB, 0 }, - 0, { 0, 0 }, { 0, 0 }, - }, - /* TGA_TYPE_T8_02 */ - { - "T8-02", - &tga_ramdac_bt485, - 8, - 4 MB, - 4 KB, - 1, { 2 MB, 0 }, { 2 MB, 0 }, - 0, { 0, 0 }, { 0, 0 }, - }, - /* TGA_TYPE_T8_22 */ - { - "T8-22", - &tga_ramdac_bt485, - 8, - 8 MB, - 4 KB, - 1, { 4 MB, 0 }, { 2 MB, 0 }, - 1, { 6 MB, 0 }, { 2 MB, 0 }, - }, - /* TGA_TYPE_T8_44 */ - { - "T8-44", - &tga_ramdac_bt485, - 8, - 16 MB, - 4 KB, - 2, { 8 MB, 12 MB }, { 2 MB, 2 MB }, - 2, { 10 MB, 14 MB }, { 2 MB, 2 MB }, - }, - /* TGA_TYPE_T32_04 */ - { - "T32-04", - &tga_ramdac_bt463, - 32, - 16 MB, - 8 KB, - 1, { 8 MB, 0 }, { 4 MB, 0 }, - 0, { 0, 0 }, { 0, 0 }, - }, - /* TGA_TYPE_T32_08 */ - { - "T32-08", - &tga_ramdac_bt463, - 32, - 16 MB, - 16 KB, - 1, { 8 MB, 0 }, { 8 MB, 0 }, - 0, { 0, 0 }, { 0, 0 }, - }, - /* TGA_TYPE_T32_88 */ - { - "T32-88", - &tga_ramdac_bt463, - 32, - 32 MB, - 16 KB, - 1, { 16 MB, 0 }, { 8 MB, 0 }, - 1, { 24 MB, 0 }, { 8 MB, 0 }, - }, -}; - -#undef KB -#undef MB - -int -tga_identify(regs) - tga_reg_t *regs; -{ - int type; - int deep, addrmask, wide; - - deep = (regs[TGA_REG_GDER] & 0x1) != 0; /* XXX */ - addrmask = ((regs[TGA_REG_GDER] >> 2) & 0x7); /* XXX */ - wide = (regs[TGA_REG_GDER] & 0x200) == 0; /* XXX */ - - type = TGA_TYPE_UNKNOWN; - - if (!deep) { - /* 8bpp frame buffer */ - - if (addrmask == 0x0) { - /* 4MB core map; T8-01 or T8-02 */ - - if (!wide) - type = TGA_TYPE_T8_01; - else - type = TGA_TYPE_T8_02; - } else if (addrmask == 0x1) { - /* 8MB core map; T8-22 */ - - if (wide) /* sanity */ - type = TGA_TYPE_T8_22; - } else if (addrmask == 0x3) { - /* 16MB core map; T8-44 */ - - if (wide) /* sanity */ - type = TGA_TYPE_T8_44; - } - } else { - /* 32bpp frame buffer */ - - if (addrmask == 0x3) { - /* 16MB core map; T32-04 or T32-08 */ - - if (!wide) - type = TGA_TYPE_T32_04; - else - type = TGA_TYPE_T32_08; - } else if (addrmask == 0x7) { - /* 32MB core map; T32-88 */ - - if (wide) /* sanity */ - type = TGA_TYPE_T32_88; - } - } - - return (type); -} - -const struct tga_conf * -tga_getconf(type) - int type; -{ - - if (type >= 0 && type < TGA_TYPE_UNKNOWN) - return &tga_configs[type]; - - return (NULL); -} - |