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Diffstat (limited to 'chips/dz_7085.h')
| -rw-r--r-- | chips/dz_7085.h | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/chips/dz_7085.h b/chips/dz_7085.h deleted file mode 100644 index 66c8916..0000000 --- a/chips/dz_7085.h +++ /dev/null @@ -1,153 +0,0 @@ -/* - * Mach Operating System - * Copyright (c) 1991,1990,1989 Carnegie Mellon University - * All Rights Reserved. - * - * 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 Mellon - * the rights to redistribute these changes. - */ -/* - * File: dz_7085.h - * Author: Alessandro Forin, Carnegie Mellon University - * Date: 9/90 - * - * Defines for the DEC 7085 Serial Line Controller Chip - */ - -#define NDZ_LINE 4 - -/* - * What's hanging off those 4 lines - */ - -#define DZ_LINE_KEYBOARD 0 -#define DZ_LINE_MOUSE 1 -#define DZ_LINE_MODEM 2 -#define DZ_LINE_PRINTER 3 - -/* - * Register layout, ignoring padding - */ -typedef struct { - volatile unsigned short dz_csr; /* Control and Status */ - volatile unsigned short dz_rbuf; /* Rcv buffer (RONLY) */ - volatile unsigned short dz_tcr; /* Xmt control (R/W)*/ - volatile unsigned short dz_tbuf; /* Xmt buffer (WONLY)*/ -# define dz_lpr dz_rbuf /* Line parameters (WONLY)*/ -# define dz_msr dz_tbuf /* Modem status (RONLY)*/ -} dz_regmap_t; - -/* - * CSR bits - */ - -#define DZ_CSR_MBZ 0x3c07 /* Must be zero */ -#define DZ_CSR_MAINT 0x0008 /* rw: Maintenance mode */ -#define DZ_CSR_CLR 0x0010 /* rw: Master clear (init) */ -#define DZ_CSR_MSE 0x0020 /* rw: Master scan enable */ -#define DZ_CSR_RIE 0x0040 /* rw: Rcv Interrupt Enable */ -#define DZ_CSR_RDONE 0x0080 /* ro: Rcv done (silo avail) */ -#define DZ_CSR_TLINE 0x0300 /* ro: Lineno ready for xmt */ -#define DZ_CSR_TIE 0x4000 /* rw: Xmt Interrupt Enable */ -#define DZ_CSR_TRDY 0x8000 /* ro: Xmt ready */ - -/* - * Receiver buffer (top of silo). Read-only. - */ - -#define DZ_SILO_DEEP 64 - -#define DZ_RBUF_CHAR 0x00ff /* Received character */ -#define DZ_RBUF_RLINE 0x0300 /* Line it came from */ -#define DZ_RBUF_XXXX 0x0c00 /* Reads as zero */ -#define DZ_RBUF_PERR 0x1000 /* Parity error */ -#define DZ_RBUF_FERR 0x2000 /* Framing error (break) */ -#define DZ_RBUF_OERR 0x4000 /* Silo overrun */ -#define DZ_RBUF_VALID 0x8000 /* Info is valid */ - -/* - * Line parameters register. Write-only. - */ - -#define DZ_LPAR_LINE 0x0003 /* Bin encoded line no */ -#define DZ_LPAR_MBZ 0xe004 /* Must be zero */ -#define DZ_LPAR_CLEN 0x0018 /* Character length: */ -# define DZ_LPAR_5BITS 0x0000 /* 5 bits per char */ -# define DZ_LPAR_6BITS 0x0008 /* 6 bits per char */ -# define DZ_LPAR_7BITS 0x0010 /* 7 bits per char */ -# define DZ_LPAR_8BITS 0x0018 /* 8 bits per char */ -#define DZ_LPAR_STOP 0x0020 /* stop bits: off->1, on->2 */ -#define DZ_LPAR_PAR_ENB 0x0040 /* generate/detect parity */ -#define DZ_LPAR_ODD_PAR 0x0080 /* generate/detect ODD parity */ -#define DZ_LPAR_SPEED 0x0f00 /* Speed code: */ -# define DZ_LPAR_50 0x0000 /* 50 baud */ -# define DZ_LPAR_75 0x0100 /* 75 baud */ -# define DZ_LPAR_110 0x0200 /* 110 baud */ -# define DZ_LPAR_134_5 0x0300 /* 134.5 baud */ -# define DZ_LPAR_150 0x0400 /* 150 baud */ -# define DZ_LPAR_300 0x0500 /* 300 baud */ -# define DZ_LPAR_600 0x0600 /* 600 baud */ -# define DZ_LPAR_1200 0x0700 /* 1200 baud */ -# define DZ_LPAR_1800 0x0800 /* 1800 baud */ -# define DZ_LPAR_2000 0x0900 /* 2000 baud */ -# define DZ_LPAR_2400 0x0a00 /* 2400 baud */ -# define DZ_LPAR_3600 0x0b00 /* 3600 baud */ -# define DZ_LPAR_4800 0x0c00 /* 4800 baud */ -# define DZ_LPAR_7200 0x0d00 /* 7200 baud */ -# define DZ_LPAR_9600 0x0e00 /* 9600 baud */ -# define DZ_LPAR_MAX_SPEED 0x0f00 /* 19200/38400 baud */ -#define DZ_LPAR_ENABLE 0x1000 /* Enable receiver */ - -/* - * Xmt control register - */ - -#define DZ_TCR_LNENB 0x000f /* rw: Xmt line enable */ -#define DZ_TCR_MBZ 0xf0f0 /* Must be zero */ -#define DZ_TCR_DTR3 0x0100 /* rw: DTR on printer line */ -#define DZ_TCR_RTS3 0x0200 /* rw: RTS on printer line */ -#define DZ_TCR_DTR2 0x0400 /* rw: DTR on modem line */ -#define DZ_TCR_RTS2 0x0800 /* rw: RTS on modem line */ - -/* - * Modem status register. Read-only. - */ - -#define DZ_MSR_CTS3 0x0001 /* Clear To Send, printer line */ -#define DZ_MSR_DSR3 0x0002 /* Data Set Ready, printer line */ -#define DZ_MSR_CD3 0x0004 /* Carrier Detect, printer line */ -#define DZ_MSR_RI3 0x0008 /* Ring Indicator, printer line */ -#define DZ_MSR_XXXX 0xf0f0 /* Reads as zero */ -#define DZ_MSR_CTS2 0x0100 /* Clear To Send, modem line */ -#define DZ_MSR_DSR2 0x0200 /* Data Set Ready, modem line */ -#define DZ_MSR_CD2 0x0400 /* Carrier Detect, modem line */ -#define DZ_MSR_RI2 0x0800 /* Ring Indicator, modem line */ - - -/* - * Xmt buffer - */ - -#define DZ_TBUF_CHAR 0x00ff /* Xmt character */ -#define DZ_TBUF_BREAK_0 0x0100 /* set line 0 to space */ -#define DZ_TBUF_BREAK_1 0x0200 /* set line 1 to space */ -#define DZ_TBUF_BREAK_2 0x0400 /* set line 2 to space */ -#define DZ_TBUF_BREAK_3 0x0800 /* set line 3 to space */ -#define DZ_TBUF_MBZ 0xf000 /* Must be zero */ |