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1.1 root 1: /*
2: * Copyright (c) 1988 Regents of the University of California.
3: * All rights reserved.
4: *
5: * Redistribution and use in source and binary forms are permitted
6: * provided that the above copyright notice and this paragraph are
7: * duplicated in all such forms and that any documentation,
8: * advertising materials, and other materials related to such
9: * distribution and use acknowledge that the software was developed
10: * by the University of California, Berkeley. The name of the
11: * University may not be used to endorse or promote products derived
12: * from this software without specific prior written permission.
13: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
14: * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
15: * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
16: *
17: * @(#)vxreg.h 7.2 (Berkeley) 6/29/88
18: */
19:
20: /*
21: * Vioc hardware interface structure.
22: */
23: struct vxdevice {
24: char v_vioc; /* 0 type of interrupt + vioc busy flag */
25: char v_hdwre; /* 1 trap, reset, or hard interrupt */
26: char v_vcbsy; /* 2 command busy (set by host) */
27: char v_vcid; /* 3 command identifier */
28: short v_vcp[2]; /* 4 command pointer (sent by host) */
29: short v_unused; /* 8 unused */
30: short v_rspoff; /* a offset into vblock for response buf */
31: char v_ustat; /* c status */
32: char v_uqual; /* d interrupt qualifier */
33: char v_usdata[0x3E]; /* e unsolicited interrupt data */
34: short v_maxxmt; /* 4C max xmit block size */
35: short v_maxsilo; /* 4E max silo size */
36: char v_ident; /* 50 identifies type of vioc */
37: char v_fault; /* 51 denotes fault or ready after reset */
38: short v_dcd; /* 52 bit mask for carr detect by port */
39: short v_cts; /* 54 bit mask for cts by port */
40: short v_dsr; /* 56 bit mask for dsr by port */
41: short v_secrec; /* 58 bit mask for secondary receive */
42: short v_badport; /* 5a bit mask of failed ports */
43: char v_portyp[16]; /* 5c type of each port */
44: };
45:
46: /* control bits for v_vioc and v_hdwre */
47: #define V_RESET 0x1 /* cause a vioc reset */
48: #define V_TRP 0x2 /* cause a vioc trap */
49: #define V_INTR 0x4 /* cause a vioc interrupt */
50: #define V_ERR 0x80 /* generic error flag */
51: #define V_BSY 0x80 /* generic busy flag */
52: #define V_UNBSY 0x80 /* not busy for unsolicited interrupt */
53:
54: /* command identifier codes */
55: #define VXC_LIDENT 0x0000 /* load ident, set int vectors */
56: #define VXC_XMITDTA 0x0200 /* transmit */
57: #define VXC_XMITIMM 0x0400 /* xmit immediate */
58: #define VXC_FDTATOX 0x0300 /* flush data */
59: #define VXC_LPARAX 0x0600 /* load params */
60: #define VXC_SNDBRKX 0x0C00 /* send break to port */
61: #define VXC_MDMCTL 0x1000 /* auto modem control */
62: /* bisync specific command identifiers */
63: #define VXC_LPARAX1 0x060a
64: #define VXC_MDMCTL1 0x1004
65: #define VXC_HUNTMD1 0x0804
66:
67: /* vioc types returned during config */
68: #define VXT_VIOCBOP 0x05 /* vioc-bop */
69: #define VXT_PVIOCX 0x0A /* old connector panel vioc-x */
70: #define VXT_VIOCX 0x0B /* new connector panel vioc-x */
71: #define VXT_VIOCB 0x0C /* vioc-bisync */
72: #define VXT_NEW 0x10 /* new type bit (or'd in) */
73:
74: #define VX_BISYNC 0x1 /* bisync flag indicator for bscport */
75:
76: /* connector panel types (per port) */
77: #define VXT_NONE 0 /* no connector panel */
78: #define VXT_8PORT 1 /* 8 port RS-232C */
79: #define VXT_RS422 2 /* 8 port RS-422 (nonexistent) */
80: #define VXT_4PORT 3 /* 4 port RS-232 (with DSR/RING) */
81: #define VXT_PARALLEL 4 /* 4 port panel parallel port */
82:
83: /* v_fault status values */
84: #define VXF_READY 0x55 /* no err in vioc self-initializaton */
85:
86: /* line parameters, set with VXC_LPARAX */
87: #define BITS5 0x00 /* 5 bits per character */
88: #define BITS6 0x80 /* 6 bits per character */
89: #define BITS7 0x40 /* 7 bits per character */
90: #define BITS8 0xc0 /* 8 bits per character */
91:
92: #define VNOPARITY 0x00 /* no parity bit */
93: #define VODDP 0x01 /* odd parity bit */
94: #define VEVENP 0x03 /* even parity bit */
95:
96: #define VSTOP1 0x04 /* 1 stop bit */
97: #define VSTOP2 0x0c /* 2 stop bit */
98:
99: #define V19200 0x13 /* 19.2 kbaud */
100:
101: /* modem control flags */
102: #define VMOD_ON 1
103: #define VMOD_OFF 0
104:
105: #define V_AUTO 0x00 /* auto control of RTS, uses CTS */
106: #define V_MANUAL 0x80 /* manual control of RTS, ignore CTS */
107: #define V_DTR_ON 0x02 /* set DTR output */
108: #define V_DTR_OFF 0x00 /* drop DTR output */
109: #define V_RTS 0x01 /* set RTS output (manual only) */
110:
111: #define BRK_CHR 040 /* break character */
112: #define DCD_ON 020 /* */
113: #define DCD_OFF 010 /* */
114: #define CTS_ON 004 /* */
115: #define DSR_ON 0200 /* modem signal states for bisync */
116: #define DSR_OFF 0100
117: #define DSR_CHG (DSR_ON|DSR_OFF)
118:
119: #define VX_SILO 0x800 /* offset to base of silo */
120:
121: /* input status bits returned in silo */
122: #define VX_PE 0x40 /* parity error */
123: #define VX_FE 0x80 /* framing error */
124: #define VX_RO 0xc0 /* receiver overrun */
125:
126: #define VRESPLEN 12
127: #define VCMDLEN 64
128: #define VC_IQLEN 64 /* Interrupt circular queue length */
129: #define NVCXBUFS 16*3 /* 3 bufs per port per viocx */
130: #define VC_CMDBUFL NVCXBUFS /* circular cmd (to exec) queue len*/
131:
132: struct vcmds {
133: int v_cmdsem; /* # cmds waiting for itrque */
134: int v_curcnt; /* # cmds in itrque and executing */
135: caddr_t v_curcmd[VCMDLEN]; /* pointers to cmds being executed */
136: int v_fill; /* circular fill index */
137: int v_empty; /* circular empty index */
138: caddr_t cmdbuf[VC_CMDBUFL]; /* circular cmd (to exec) queue */
139: int v_itrfill; /* circular intr issue queue fill */
140: int v_itrempt; /* circular intr issue queue empty */
141: short v_itrqueu[VC_IQLEN]; /* circular intr issue queue */
142: };
143:
144: struct vxcmd {
145: struct vxcmd *c_fwd;
146: short cmd;
147: char par[58]; /* pad to 64 total size */
148: };
149:
150: struct vxmit {
151: char line;
152: char bcount;
153: char ostream[6];
154: };
155:
156: #define SSPEED 13 /* standard speed 9600 bps */
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