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diff --git a/sys/dev/digi/digireg.h b/sys/dev/digi/digireg.h
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+/*-
+ * Copyright (c) 2001 Brian Somers <brian@Awfulhak.org>
+ * based on work by Slawa Olhovchenkov
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+struct global_data {
+ volatile ushort cin;
+ volatile ushort cout;
+ volatile ushort cstart;
+ volatile ushort cmax;
+ volatile ushort ein;
+ volatile ushort eout;
+ volatile ushort istart;
+ volatile ushort imax;
+};
+
+
+struct board_chan {
+ volatile ushort tpjmp;
+ volatile ushort tcjmp;
+ volatile ushort fil1;
+ volatile ushort rpjmp;
+
+ volatile ushort tseg;
+ volatile ushort tin;
+ volatile ushort tout;
+ volatile ushort tmax;
+
+ volatile ushort rseg;
+ volatile ushort rin;
+ volatile ushort rout;
+ volatile ushort rmax;
+
+ volatile ushort tlow;
+ volatile ushort rlow;
+ volatile ushort rhigh;
+ volatile ushort incr;
+
+ volatile ushort dev;
+ volatile ushort edelay;
+ volatile ushort blen;
+ volatile ushort btime;
+
+ volatile ushort iflag;
+ volatile ushort oflag;
+ volatile ushort cflag;
+ volatile ushort gmask;
+
+ volatile ushort col;
+ volatile ushort delay;
+ volatile ushort imask;
+ volatile ushort tflush;
+
+ volatile u_char _1[16];
+
+ volatile u_char num;
+ volatile u_char ract;
+ volatile u_char bstat;
+ volatile u_char tbusy;
+ volatile u_char iempty;
+ volatile u_char ilow;
+ volatile u_char idata;
+ volatile u_char eflag;
+
+ volatile u_char tflag;
+ volatile u_char rflag;
+ volatile u_char xmask;
+ volatile u_char xval;
+ volatile u_char mstat;
+ volatile u_char mchange;
+ volatile u_char mint;
+ volatile u_char lstat;
+
+ volatile u_char mtran;
+ volatile u_char orun;
+ volatile u_char startca;
+ volatile u_char stopca;
+ volatile u_char startc;
+ volatile u_char stopc;
+ volatile u_char vnext;
+ volatile u_char hflow;
+
+ volatile u_char fillc;
+ volatile u_char ochar;
+ volatile u_char omask;
+ volatile u_char _2;
+
+ volatile u_char _3[28];
+};
+
+#define SRXLWATER 0xe0
+#define SRXHWATER 0xe1
+#define STPTR 0xe2
+#define PAUSETX 0xe3
+#define RESUMETX 0xe4
+#define SAUXONOFFC 0xe6
+#define SENDBREAK 0xe8
+#define SETMODEM 0xe9
+#define SETIFLAGS 0xeA
+#define SONOFFC 0xeB
+#define STXLWATER 0xeC
+#define PAUSERX 0xeE
+#define RESUMERX 0xeF
+#define RESETCHAN 0xf0
+#define SETBUFFER 0xf2
+#define SETCOOKED 0xf3
+#define SETHFLOW 0xf4
+#define SETCFLAGS 0xf5
+#define SETVNEXT 0xf6
+#define SETBSLICE 0xf7
+#define SETRSMODE 0xfd
+#define SETCMDACK 0xfe
+#define RESERV 0xff
+
+#define BREAK_IND 0x01
+#define LOWTX_IND 0x02
+#define EMPTYTX_IND 0x04
+#define DATA_IND 0x08
+#define MODEMCHG_IND 0x20
+#define RECV_OVR_IND 0x40
+#define CMD_ACK_IND 0x40
+#define UART_OVR_IND 0x80
+
+#define ALL_IND (BREAK_IND|LOWTX_IND|EMPTYTX_IND|DATA_IND|MODEMCHG_IND)
+
+#define FEPTIMEOUT 2000
+
+#define FEPCLR 0x0
+#define FEPMEM 0x2
+#define FEPRST 0x4
+#define FEPREQ 0x8
+#define FEPWIN 0x80
+#define FEPMASK 0xe
+/* #define FEPMASK 0x4 */
+
+#define BOTWIN 0x100L
+#define TOPWIN 0xFF00L
+#define MISCGLOBAL 0x0C00L
+#define FEPCODESEG 0x0200L
+
+/* #define BIOSCODE 0xff800 */ /* Window 15, offset 7800h */
+#define FEPCODE 0x0d000
+
+#define FEP_CSTART 0x400L
+#define FEP_CMAX 0x800L
+#define FEP_ISTART 0x800L
+#define FEP_IMAX 0xC00L
+#define MBOX 0xC40L
+#define FEP_CIN 0xD10L
+#define FEP_GLOBAL 0xD10L
+#define FEP_EIN 0xD18L
+#define FEPSTAT 0xD20L
+#define CHANSTRUCT 0x1000L
+#define RXTXBUF 0x4000L
+
+#define BIOSOFFSET 0x1000L
+#define BIOSCODE 0xf800L
+#define FEPOFFSET 0x2000L
+
+/* c_cflag bits */
+#define FEP_CSIZE 0x000030
+#define FEP_CS5 0x000000
+#define FEP_CS6 0x000010
+#define FEP_CS7 0x000020
+#define FEP_CS8 0x000030
+#define FEP_CSTOPB 0x000040
+#define FEP_CREAD 0x000080
+#define FEP_PARENB 0x000100
+#define FEP_PARODD 0x000200
+#define FEP_CLOCAL 0x000800
+#define FEP_FASTBAUD 0x000400
+
+/* c_iflag bits */
+#define FEP_IGNBRK 0000001
+#define FEP_BRKINT 0000002
+#define FEP_IGNPAR 0000004
+#define FEP_PARMRK 0000010
+#define FEP_INPCK 0000020
+#define FEP_ISTRIP 0000040
+#define FEP_IXON 0002000
+#define FEP_IXANY 0004000
+#define FEP_IXOFF 0010000
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