diff options
Diffstat (limited to 'sys/i386/isa/mcdreg.h')
| -rw-r--r-- | sys/i386/isa/mcdreg.h | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/sys/i386/isa/mcdreg.h b/sys/i386/isa/mcdreg.h index c18b2c3987e9..086a856ceda2 100644 --- a/sys/i386/isa/mcdreg.h +++ b/sys/i386/isa/mcdreg.h @@ -1,6 +1,7 @@ /* * Copyright 1993 by Holger Veit (data part) * Copyright 1993 by Brian Moore (audio part) + * Changes Copyright 1993 by Gary Clark II * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -14,7 +15,7 @@ * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This software was developed by Holger Veit and Brian Moore - * for use with "386BSD" and similar operating systems. + * for use with "386BSD" and similar operating systems. * "Similar operating systems" includes mainly non-profit oriented * systems for research and education, including but not restricted to * "NetBSD", "FreeBSD", "Mach" (by CMU). @@ -40,7 +41,7 @@ * the manufacturer or anyone else might provide better documentation, * so this file (and the driver) will then have a better quality. * - * $Id: mcdreg.h,v 1.1 1993/10/12 06:08:31 rgrimes Exp $ + * $Id: mcdreg.h,v 1.3 1994/02/22 08:44:31 rgrimes Exp $ */ #ifndef MCD_H @@ -67,8 +68,8 @@ typedef unsigned char bcd_t; #define mcd_reset 1 #define mcd_xfer 1 #define mcd_ctl2 2 /* XXX Is this right? */ - #define mcd_config 3 + #define MCD_MASK_DMA 0x07 /* bits 2-0 = DMA channel */ #define MCD_MASK_IRQ 0x70 /* bits 6-4 = INT number */ /* 001 = int 2,9 */ @@ -77,14 +78,22 @@ typedef unsigned char bcd_t; /* 100 = int 10 */ /* 101 = int 11 */ /* flags */ -#define STATUS_AVAIL 0xb -#define DATA_AVAIL 0xf +#define STATUS_AVAIL 0xB +#define DATA_AVAIL 0xF + +/* New Flags */ +#define M_STATUS_AVAIL 0xFB +#define M_DATA_AVAIL 0xFD + +/* New Commands */ +#define M_RESET 0x00 +#define M_PICKLE 0x04 /* ports */ #define MCD_DATA 0 #define MCD_FLAGS 1 -#define MCD_DONT_KNOW 2 /* What are these two ports for??? */ -#define CHANNEL 3 +#define MCD_CTRL 2 +#define CHANNEL 3 /* XXX ??? */ /* Status bits */ #define MCD_ST_DOOROPEN 0x80 |