Annotation of sys/arch/hp300/dev/dcmreg.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: dcmreg.h,v 1.5 2007/05/25 21:27:15 krw Exp $ */
2: /* $NetBSD: dcmreg.h,v 1.5 1996/02/24 00:55:05 thorpej Exp $ */
3:
4: /*
5: * Copyright (c) 1988 University of Utah.
6: * Copyright (c) 1982, 1986, 1990, 1993
7: * The Regents of the University of California. All rights reserved.
8: *
9: * This code is derived from software contributed to Berkeley by
10: * the Systems Programming Group of the University of Utah Computer
11: * Science Department.
12: *
13: * Redistribution and use in source and binary forms, with or without
14: * modification, are permitted provided that the following conditions
15: * are met:
16: * 1. Redistributions of source code must retain the above copyright
17: * notice, this list of conditions and the following disclaimer.
18: * 2. Redistributions in binary form must reproduce the above copyright
19: * notice, this list of conditions and the following disclaimer in the
20: * documentation and/or other materials provided with the distribution.
21: * 3. Neither the name of the University nor the names of its contributors
22: * may be used to endorse or promote products derived from this software
23: * without specific prior written permission.
24: *
25: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35: * SUCH DAMAGE.
36: *
37: * from: Utah $Hdr: dcmreg.h 1.7 92/01/21$
38: *
39: * @(#)dcmreg.h 8.1 (Berkeley) 6/10/93
40: */
41:
42: #include <hp300/dev/iotypes.h> /* XXX */
43:
44: struct dcmdevice { /* host address, only odd bytes addressed */
45: u_char dcm_pad0;
46: vu_char dcm_rsid; /* Reset / ID 0001 */
47: u_char dcm_pad1;
48: vu_char dcm_ic; /* Interrupt control register 0003 */
49: u_char dcm_pad2;
50: vu_char dcm_sem; /* Semaphore register 0005 */
51: u_char dcm_pad3[0x7ffa]; /* Unaddressable 0006-7fff */
52: u_char dcm_pad4;
53: vu_char dcm_iir; /* Interrupt ident register 8001 */
54: u_char dcm_pad5;
55: vu_char dcm_cr; /* Command register 8003 */
56: u_char dcm_pad6[0x3fc]; /* Card scratch 8004-83ff */
57: struct dcmrfifo {
58: u_char ptr_pad1;
59: vu_char data_char;
60: u_char ptr_pad2;
61: vu_char data_stat;
62: } dcm_rfifos[4][0x80]; /* Receive queues 8400 */
63: struct {
64: u_char ptr_pad1;
65: vu_char data_data;
66: } dcm_bmap[0x100]; /* Bitmap table 8c00 */
67: struct {
68: u_char ptr_pad;
69: vu_char ptr;
70: } dcm_rhead[4]; /* Fifo head - receive 8e00 */
71: struct {
72: u_char ptr_pad;
73: vu_char ptr;
74: } dcm_rtail[4]; /* Fifo tail - receive 8e08 */
75: struct {
76: u_char ptr_pad;
77: vu_char ptr;
78: } dcm_thead[4]; /* Fifo head - transmit 8e10 */
79: struct {
80: u_char ptr_pad;
81: vu_char ptr;
82: } dcm_ttail[4]; /* Fifo tail - transmit 8e18 */
83: struct {
84: u_char pad1;
85: vu_char dcm_conf;
86: u_char pad2;
87: vu_char dcm_baud;
88: } dcm_data[4]; /* Configuration registers 8e20 */
89: struct modemreg {
90: u_char pad0;
91: vu_char mdmin; /* Modem in 8e31 */
92: u_char pad1;
93: vu_char mdmout; /* Modem out 8e33 */
94: u_char pad2;
95: vu_char mdmmsk; /* Modem mask 8e35 */
96: } dcm_modem0;
97: struct {
98: u_char pad1;
99: vu_char dcm_data;
100: } dcm_cmdtab[4]; /* Command tables 8e36 */
101: struct {
102: u_char pad1;
103: vu_char dcm_data;
104: } dcm_icrtab[4]; /* Interrupt data 8e3e */
105: u_char dcm_pad10;
106: vu_char dcm_stcon; /* Self test condition 8e47 */
107: struct modemreg dcm_modem1; /* 638 Modem port1 8e48 */
108: struct modemreg dcm_modem2; /* 638 Modem port2 8e4e */
109: struct modemreg dcm_modem3; /* 638 Modem port3 8e54 */
110: u_char dcm_pad11;
111: vu_char dcm_modemchng; /* 638 Modem change mask 8e5b */
112: u_char dcm_pad12;
113: vu_char dcm_modemintr; /* 638 Modem interrupt mask 8e5d */
114: u_char dcm_pad13[0x82]; /* Undef Shared Ram 8e5e-8edf */
115: struct dcmtfifo {
116: u_char ptr_pad1;
117: vu_char data_char;
118: } dcm_tfifos[4][0x10]; /* Transmit queues 8ee0 */
119: };
120:
121: /*
122: * Overlay structure for port specific queue "registers".
123: * Starts at offset 0x8E00+(port*2).
124: */
125: struct dcmpreg {
126: u_char pad0; /* +00 */
127: vu_char r_head; /* +01 */
128: u_char pad1[7]; /* +02 */
129: vu_char r_tail; /* +09 */
130: u_char pad2[7]; /* +0A */
131: vu_char t_head; /* +11 */
132: u_char pad3[7]; /* +12 */
133: vu_char t_tail; /* +19 */
134: };
135: #define dcm_preg(d, p) ((struct dcmpreg *)((u_int)(d)+0x8e00+(p)*2))
136:
137: /* interface reset/id */
138: #define DCMCON 0x80 /* REMOTE/LOCAL switch, read */
139: #define DCMID 0x5 /* hardwired card id, read */
140: #define DCMRS 0x80 /* software reset, write */
141:
142: /* interrupt control */
143: #define DCMIPL(x) ((((x) >> 4) & 3) + 3) /* interrupt level, read */
144: #define IC_IR 0x40 /* interrupt request, read */
145: #define IC_IE 0x80 /* interrupt enable, write */
146: #define IC_ID 0x00 /* interrupt disable, write */
147:
148:
149: /* Semaphore control */
150: #define SEM_BSY 0x80 /* read */
151: #define SEM_CLR 0xFF /* write */
152: #define SEM_LOCK(dcm) while ((dcm)->dcm_sem & SEM_BSY)
153: #define SEM_UNLOCK(dcm) (dcm)->dcm_sem = SEM_CLR
154:
155: /* command register */
156: #define CR_PORT0 0x1
157: #define CR_PORT1 0x2
158: #define CR_PORT2 0x4
159: #define CR_PORT3 0x8
160: #define CR_MODM 0x10 /* change modem output lines */
161: #define CR_TIMER 0x20 /* 16ms interrupt timer toggle */
162: #define CR_SELFT 0x40 /* run self test */
163: #define CR_MASK 0x7f
164:
165: /* interrupt ident register */
166: #define IIR_PORT0 0x1
167: #define IIR_PORT1 0x2
168: #define IIR_PORT2 0x4
169: #define IIR_PORT3 0x8
170: #define IIR_SELFT 0x10 /* self test completed */
171: #define IIR_MODM 0x20 /* change in modem input lines */
172: #define IIR_TIMEO 0x40 /* Time out */
173: #define IIR_MASK 0x7f
174:
175: /* self test cond reg */
176: #define ST_OK 0xe0
177:
178: /* Line configuration register */
179: #define LC_PNO 0x00
180: #define LC_PODD 0x01
181: #define LC_PEVEN 0x02
182: #define LC_PMSK 0x03
183:
184: #define LC_1STOP 0x00
185: #define LC_1HSTOP 0x04
186: #define LC_2STOP 0x08
187: #define LC_STOPMSK 0x0b
188:
189: #define LC_8BITS 0x30
190: #define LC_7BITS 0x20
191: #define LC_6BITS 0x10
192: #define LC_5BITS 0x00
193: #define LC_BITMSK 0x30
194:
195: /* baud reg */
196: #define BR_0 0x00
197: #define BR_50 0x01
198: #define BR_75 0x02
199: #define BR_110 0x03
200: #define BR_134 0x04
201: #define BR_150 0x05
202: #define BR_300 0x06
203: #define BR_600 0x07
204: #define BR_900 0x08
205: #define BR_1200 0x09
206: #define BR_1800 0x0a
207: #define BR_2400 0x0b
208: #define BR_3600 0x0c
209: #define BR_4800 0x0d
210: #define BR_7200 0x0e
211: #define BR_9600 0x0f
212: #define BR_19200 0x10
213: #define BR_38400 0x11
214:
215: /* modem input register */
216: #define MI_CTS 0x08
217: #define MI_DM 0x04
218: #define MI_CD 0x02
219: #define MI_RI 0x01
220:
221: /* modem output register */
222: #define MO_SR 0x04
223: #define MO_DTR 0x02
224: #define MO_RTS 0x01
225: #define MO_ON ((MO_DTR) | (MO_RTS))
226: #define MO_OFF 0x00
227:
228: /* cmd-tab values, write */
229: #define CT_CON 0x1 /* configuration change */
230: #define CT_TX 0x2 /* transmit buffer not empty */
231: #define CT_BRK 0x4 /* toggle BREAK */
232:
233: /* icr-tab values, read */
234: #define IT_TX 0x1 /* transmit buffer empty */
235: #define IT_SPEC 0x2 /* special character received */
236:
237: /* data errors */
238: #define RD_OVF 0x08
239: #define RD_BD 0x10
240: #define RD_PE 0x20
241: #define RD_OE 0x40
242: #define RD_FE 0x80
243: #define RD_MASK 0xf8
244:
245: /* Transmit/Receive masks */
246: #define TX_MASK 0x0f
247: #define RX_MASK 0xff
248:
249: /*
250: * DCM console caveat: only port 1 is affected by the remote switch, and
251: * thus the only supported console port on a given DCM card.
252: */
253: #define DCMCONSPORT 1
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