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1.1 root 1: /*
2: * Copyright (c) 1988 Regents of the University of California.
3: * All rights reserved.
4: *
5: * This code is derived from software contributed to Berkeley by
6: * Computer Consoles Inc.
7: *
8: * Redistribution is only permitted until one year after the first shipment
9: * of 4.4BSD by the Regents. Otherwise, redistribution and use in source and
10: * binary forms are permitted provided that: (1) source distributions retain
11: * this entire copyright notice and comment, and (2) distributions including
12: * binaries display the following acknowledgement: This product includes
13: * software developed by the University of California, Berkeley and its
14: * contributors'' in the documentation or other materials provided with the
15: * distribution and in all advertising materials mentioning features or use
16: * of this software. Neither the name of the University nor the names of
17: * its contributors may be used to endorse or promote products derived from
18: * this software without specific prior written permission.
19: * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
20: * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
21: * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
22: *
23: * @(#)vxreg.h 7.4 (Berkeley) 6/28/90
24: */
25:
26: /*
27: * Vioc hardware interface structure.
28: */
29: struct vxdevice {
30: char v_vioc; /* 0 type of interrupt + vioc busy flag */
31: char v_hdwre; /* 1 trap, reset, or hard interrupt */
32: char v_vcbsy; /* 2 command busy (set by host) */
33: char v_vcid; /* 3 command identifier */
34: short v_vcp[2]; /* 4 command pointer (sent by host) */
35: short v_unused; /* 8 unused */
36: short v_rspoff; /* a offset into vblock for response buf */
37: char v_ustat; /* c status */
38: char v_uqual; /* d interrupt qualifier */
39: char v_usdata[0x3E]; /* e unsolicited interrupt data */
40: short v_maxxmt; /* 4C max xmit block size */
41: short v_maxsilo; /* 4E max silo size */
42: char v_ident; /* 50 identifies type of vioc */
43: char v_fault; /* 51 denotes fault or ready after reset */
44: short v_dcd; /* 52 bit mask for carr detect by port */
45: short v_cts; /* 54 bit mask for cts by port */
46: short v_dsr; /* 56 bit mask for dsr by port */
47: short v_secrec; /* 58 bit mask for secondary receive */
48: short v_badport; /* 5a bit mask of failed ports */
49: char v_portyp[16]; /* 5c type of each port */
50: };
51:
52: /* control bits for v_vioc and v_hdwre */
53: #define V_RESET 0x1 /* cause a vioc reset */
54: #define V_TRP 0x2 /* cause a vioc trap */
55: #define V_INTR 0x4 /* cause a vioc interrupt */
56: #define V_ERR 0x80 /* generic error flag */
57: #define V_BSY 0x80 /* generic busy flag */
58: #define V_UNBSY 0x80 /* not busy for unsolicited interrupt */
59:
60: /* command identifier codes */
61: #define VXC_LIDENT 0x0000 /* load ident, set int vectors */
62: #define VXC_XMITDTA 0x0200 /* transmit */
63: #define VXC_XMITIMM 0x0400 /* xmit immediate */
64: #define VXC_FDTATOX 0x0300 /* flush data */
65: #define VXC_LPARAX 0x0600 /* load params */
66: #define VXC_SNDBRKX 0x0C00 /* send break to port */
67: #define VXC_MDMCTL 0x1000 /* auto modem control */
68: /* bisync specific command identifiers */
69: #define VXC_LPARAX1 0x060a
70: #define VXC_MDMCTL1 0x1004
71: #define VXC_HUNTMD1 0x0804
72:
73: /* vioc types returned during config */
74: #define VXT_VIOCBOP 0x05 /* vioc-bop */
75: #define VXT_PVIOCX 0x0A /* old connector panel vioc-x */
76: #define VXT_VIOCX 0x0B /* new connector panel vioc-x */
77: #define VXT_VIOCB 0x0C /* vioc-bisync */
78: #define VXT_NEW 0x10 /* new type bit (or'd in) */
79:
80: #define VX_BISYNC 0x1 /* bisync flag indicator for bscport */
81:
82: /* connector panel types (per port) */
83: #define VXT_NONE 0 /* no connector panel */
84: #define VXT_8PORT 1 /* 8 port RS-232C */
85: #define VXT_RS422 2 /* 8 port RS-422 (nonexistent) */
86: #define VXT_4PORT 3 /* 4 port RS-232 (with DSR/RING) */
87: #define VXT_PARALLEL 4 /* 4 port panel parallel port */
88:
89: /* v_fault status values */
90: #define VXF_READY 0x55 /* no err in vioc self-initializaton */
91:
92: /* line parameters, set with VXC_LPARAX */
93: #define BITS5 0x00 /* 5 bits per character */
94: #define BITS6 0x80 /* 6 bits per character */
95: #define BITS7 0x40 /* 7 bits per character */
96: #define BITS8 0xc0 /* 8 bits per character */
97:
98: #define VNOPARITY 0x00 /* no parity bit */
99: #define VODDP 0x01 /* odd parity bit */
100: #define VEVENP 0x03 /* even parity bit */
101:
102: #define VSTOP1 0x04 /* 1 stop bit */
103: #define VSTOP2 0x0c /* 2 stop bit */
104:
105: #define V19200 0x13 /* 19.2 kbaud */
106:
107: /* modem control flags */
108: #define VMOD_ON 1
109: #define VMOD_OFF 0
110:
111: #define V_AUTO 0x00 /* auto control of RTS, uses CTS */
112: #define V_MANUAL 0x80 /* manual control of RTS, ignore CTS */
113: #define V_DTR_ON 0x02 /* set DTR output */
114: #define V_DTR_OFF 0x00 /* drop DTR output */
115: #define V_RTS 0x01 /* set RTS output (manual only) */
116:
117: #define BRK_CHR 040 /* break character */
118: #define DCD_ON 020 /* */
119: #define DCD_OFF 010 /* */
120: #define CTS_ON 004 /* */
121: #define DSR_ON 0200 /* modem signal states for bisync */
122: #define DSR_OFF 0100
123: #define DSR_CHG (DSR_ON|DSR_OFF)
124:
125: #define VX_SILO 0x800 /* offset to base of silo */
126:
127: /* input status bits returned in silo */
128: #define VX_PE 0x40 /* parity error */
129: #define VX_FE 0x80 /* framing error */
130: #define VX_RO 0xc0 /* receiver overrun */
131:
132: /* VIOC Process Error (PROCER) codes */
133: #define VP_SILO_OFLOW 0x40 /* input silo error, non-fatal */
134:
135: #define VRESPLEN 12
136: #define VCMDLEN 64
137: #define VC_IQLEN 64 /* Interrupt circular queue length */
138: #define NVCXBUFS 16*3 /* 3 bufs per port per viocx */
139: #define VC_CMDBUFL NVCXBUFS /* circular cmd (to exec) queue len*/
140:
141: struct vcmds {
142: int v_cmdsem; /* # cmds waiting for itrque */
143: int v_curcnt; /* # cmds in itrque and executing */
144: caddr_t v_curcmd[VCMDLEN]; /* pointers to cmds being executed */
145: int v_fill; /* circular fill index */
146: int v_empty; /* circular empty index */
147: caddr_t cmdbuf[VC_CMDBUFL]; /* circular cmd (to exec) queue */
148: int v_itrfill; /* circular intr issue queue fill */
149: int v_itrempt; /* circular intr issue queue empty */
150: short v_itrqueu[VC_IQLEN]; /* circular intr issue queue */
151: };
152:
153: struct vxcmd {
154: struct vxcmd *c_fwd;
155: short cmd;
156: char par[58]; /* pad to 64 total size */
157: };
158:
159: struct vxmit {
160: char line;
161: char bcount;
162: char ostream[6];
163: };
164:
165: #define SSPEED 13 /* standard speed 9600 bps */
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