diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 1997-04-15 15:22:36 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 1997-04-15 15:22:36 +0000 |
| commit | b33070a313b3792c87d5168e554486584df30b3b (patch) | |
| tree | bfdfbd567bf0a41ba0caa057a1d1e771c6cb58d2 /sys | |
| parent | cb0e27195f7685f010628edb287b9993fc42e85a (diff) | |
support more S3 chipsets. done by comparing against SuperCode;
wisner@gryphon.com
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/arch/i386/isa/pcvt/pcvt_ext.c | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/sys/arch/i386/isa/pcvt/pcvt_ext.c b/sys/arch/i386/isa/pcvt/pcvt_ext.c index 52356338a84..e745060f3ae 100644 --- a/sys/arch/i386/isa/pcvt/pcvt_ext.c +++ b/sys/arch/i386/isa/pcvt/pcvt_ext.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pcvt_ext.c,v 1.8 1996/11/07 11:19:48 niklas Exp $ */ +/* $OpenBSD: pcvt_ext.c,v 1.9 1997/04/15 15:22:35 deraadt Exp $ */ /* * Copyright (c) 1992, 1995 Hellmuth Michaelis and Joerg Wunsch. @@ -431,7 +431,7 @@ vga_chipset(void) } break; - case 0xA0: + case 0xa0: outb(addr_6845, 0x38); outb(addr_6845+1, old1byte); return VGA_S3_80x; @@ -443,6 +443,16 @@ vga_chipset(void) can_do_132col = 1; return VGA_S3_928; + case 0xc0: + outb(addr_6845, 0x38); + outb(addr_6845+1, old1byte); + return VGA_S3_864; + + case 0xd0: + outb(addr_6845, 0x38); + outb(addr_6845+1, old1byte); + return VGA_S3_964; + case 0xe0: outb(addr_6845, 0x2e); byte = inb(addr_6845+1); @@ -458,13 +468,8 @@ vga_chipset(void) outb(addr_6845, 0x38); outb(addr_6845+1, old1byte); - /* - * XXX this may be wrong - * from vgadoc4b.zip, the - * value may be 8, but mine - * reads 3, so ... - */ - if ((byte & 0x0f) == 0x03) + + if ((byte & 0x40) == 0x40) return VGA_S3_765; else return VGA_S3_764; @@ -476,7 +481,7 @@ vga_chipset(void) outb(addr_6845, 0x38); outb(addr_6845+1, old1byte); return VGA_S3_868; - case 0xB0: + case 0xf0: outb(addr_6845, 0x38); outb(addr_6845+1, old1byte); return VGA_S3_968; |