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1.1 root 1: /*
2: * Copyright (c) 1982, 1986 Regents of the University of California.
3: * All rights reserved. The Berkeley software License Agreement
4: * specifies the terms and conditions for redistribution.
5: *
6: * @(#)dmfreg.h 7.1 (Berkeley) 6/5/86
7: */
8:
9: /*
10: * DMF-32 definitions.
11: */
12:
13: /*
14: * "dmf" (unqualified) refers to the async portion of the dmf32,
15: * "dmfc" to the combo portion,
16: * "dmfs" to the sync portion,
17: * "dmfl" to the lp portion, and
18: * "dmfd" to the dr portion.
19: */
20: struct dmfdevice {
21: short dmfccsr0; /* combo csr 0 */
22: short dmfccsr1; /* combo csr 1 */
23: short dmfs[4];
24: short dmfcsr; /* control-status register */
25: short dmflpr; /* line parameter register */
26: short dmfrbuf; /* receiver buffer (ro) */
27: union {
28: u_short dmfirw; /* indirect register word */
29: u_char dmfirc[2]; /* " " bytes */
30: } dmfun;
31: short dmfl_ctrl; /* line printer control register */
32: short dmfl_indrct; /* line printer indirect register */
33: short dmfd[4]; /* for dr11 (not implemented) */
34: };
35:
36: #define dmfrsp dmfrbuf /* receive silo parameter register (wo) */
37: #define dmftbuf dmfun.dmfirc[0] /* transmit buffer */
38: #define dmftsc dmfun.dmfirc[0] /* transmit silo count */
39: #define dmfrms dmfun.dmfirc[1] /* receive modem status */
40: #define dmflctms dmfun.dmfirw /* line control, transmit modem status */
41: #define dmftba dmfun.dmfirw /* transmit buffer address */
42: #define dmftcc dmfun.dmfirw /* transmit character count */
43:
44: /* bits in dmfcsr */
45: #define DMF_TI 0100000 /* transmit interrupt */
46: #define DMF_TIE 0040000 /* transmit interrupt enable */
47: #define DMF_NXM 0020000 /* non-existant memory */
48: #define DMF_LIN 0003400 /* transmit line number */
49: #define DMF_RI 0000200 /* receiver interrupt */
50: #define DMF_RIE 0000100 /* receiver interrupt enable */
51: #define DMF_CLR 0000040 /* master reset */
52: #define DMF_IAD 0000037 /* indirect address register */
53:
54: #define DMFIR_TBUF 000 /* select tbuf indirect register */
55: #define DMFIR_LCR 010 /* select lcr indirect register */
56: #define DMFIR_TBA 020 /* select tba indirect register */
57: #define DMFIR_TCC 030 /* select tcc indirect register */
58:
59: /* bits in dmflpr */
60: #define BITS6 (01<<3)
61: #define BITS7 (02<<3)
62: #define BITS8 (03<<3)
63: #define TWOSB 0200
64: #define PENABLE 040
65: #define EPAR 0100
66:
67: #define DMF_IE (DMF_TIE|DMF_RIE)
68:
69: #define DMF_SILOCNT 32 /* size of DMF output silo (per line) */
70:
71: /* bits in dmfrbuf */
72: #define DMF_DSC 0004000 /* data set change */
73: #define DMF_PE 0010000 /* parity error */
74: #define DMF_FE 0020000 /* framing error */
75: #define DMF_DO 0040000 /* data overrun */
76:
77: /* bits in dmfrms */
78: #define DMF_USRR 0004 /* user modem signal (pin 25) */
79: #define DMF_SR 0010 /* secondary receive */
80: #define DMF_CTS 0020 /* clear to send */
81: #define DMF_CAR 0040 /* carrier detect */
82: #define DMF_RNG 0100 /* ring */
83: #define DMF_DSR 0200 /* data set ready */
84:
85: /* bits in dmftms */
86: #define DMF_USRW 0001 /* user modem signal (pin 18) */
87: #define DMF_DTR 0002 /* data terminal ready */
88: #define DMF_RATE 0004 /* data signal rate select */
89: #define DMF_ST 0010 /* secondary transmit */
90: #define DMF_RTS 0020 /* request to send */
91: #define DMF_BRK 0040 /* pseudo break bit */
92: #define DMF_PREEMPT 0200 /* preempt output */
93:
94: /* flags for modem control */
95: #define DMF_ON (DMF_DTR|DMF_RTS)
96: #define DMF_OFF 0
97:
98: /* bits in dmflctms */
99: #define DMF_MIE 0040 /* modem interrupt enable */
100: #define DMF_FLUSH 0020 /* flush transmit silo */
101: #define DMF_RBRK 0010 /* real break bit */
102: #define DMF_RE 0004 /* receive enable */
103: #define DMF_AUTOX 0002 /* auto XON/XOFF */
104: #define DMF_TE 0001 /* transmit enable */
105:
106: #define DMFLCR_ENA (DMF_MIE|DMF_RE|DMF_TE)
107:
108: /* bits in dm lsr, copied from dh.c */
109: #define DML_USR 0001000 /* usr modem sig, not a real DM bit */
110: #define DML_DSR 0000400 /* data set ready, not a real DM bit */
111: #define DML_RNG 0000200 /* ring */
112: #define DML_CAR 0000100 /* carrier detect */
113: #define DML_CTS 0000040 /* clear to send */
114: #define DML_SR 0000020 /* secondary receive */
115: #define DML_ST 0000010 /* secondary transmit */
116: #define DML_RTS 0000004 /* request to send */
117: #define DML_DTR 0000002 /* data terminal ready */
118: #define DML_LE 0000001 /* line enable */
119:
120: /* dmf line printer csr def */
121: #define DMFL_PEN (1<<0) /* print enable */
122: #define DMFL_RESET (1<<1) /* master reset */
123: #define DMFL_FORMAT (1<<2) /* format control */
124: #define DMFL_UNUSED (3<<3)
125: #define DMFL_MAINT (1<<5) /* maintenance mode on */
126: #define DMFL_IE (1<<6) /* intr enable */
127: #define DMFL_PDONE (1<<7) /* print done bit */
128: #define DMFL_INDIR (7<<8) /* indirect reg */
129: #define DMFL_UNUSED2 (1<<11)
130: #define DMFL_CONV (1<<12) /* connect verify */
131: #define DMFL_DAVRDY (1<<13) /* davfu ready */
132: #define DMFL_OFFLINE (1<<14) /* printer offline */
133: #define DMFL_DMAERR (1<<15) /* dma error bit */
134: #define DMFL_BUFSIZ 512 /* max chars per dma */
135: #define DMFL_DEFCOLS 132 /* default # of cols/line <=255 */
136: #define DMFL_DEFLINES 66 /* default # of lines/page <=255 */
137: #define DMFL_OPTIONS ((1 << 8) | (1 << 9) | (1 << 15))
138: /* auto cr, real ff, no lower to upper */
139:
140: /*
141: * Bits in the configuration register
142: */
143: #define DMFC_CONFMASK 0xf000 /* picks off the configuration bits */
144: #define DMFC_DR 0x1000 /* DR11 parallel interface */
145: #define DMFC_LP 0x2000 /* LP dma parallel lineprinter i'face */
146: #define DMFC_SYNC 0x4000 /* Synchronous serial interface */
147: #define DMFC_ASYNC 0x8000 /* 8 Serial ports */
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