dcmreg.h revision 1.5
1 /* $NetBSD: dcmreg.h,v 1.5 1996/02/24 00:55:05 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 1988 University of Utah. 5 * Copyright (c) 1982, 1986, 1990, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * the Systems Programming Group of the University of Utah Computer 10 * Science Department. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the University of 23 * California, Berkeley and its contributors. 24 * 4. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * from: Utah $Hdr: dcmreg.h 1.7 92/01/21$ 41 * 42 * @(#)dcmreg.h 8.1 (Berkeley) 6/10/93 43 */ 44 45 #include <hp300/dev/iotypes.h> /* XXX */ 46 47 struct dcmdevice { /* host address, only odd bytes addressed */ 48 u_char dcm_pad0; 49 vu_char dcm_rsid; /* Reset / ID 0001 */ 50 u_char dcm_pad1; 51 vu_char dcm_ic; /* Interrupt control register 0003 */ 52 u_char dcm_pad2; 53 vu_char dcm_sem; /* Semaphore register 0005 */ 54 u_char dcm_pad3[0x7ffa]; /* Unaddressable 0006-7fff */ 55 u_char dcm_pad4; 56 vu_char dcm_iir; /* Interrupt ident register 8001 */ 57 u_char dcm_pad5; 58 vu_char dcm_cr; /* Command register 8003 */ 59 u_char dcm_pad6[0x3fc]; /* Card scratch 8004-83ff */ 60 struct dcmrfifo { 61 u_char ptr_pad1; 62 vu_char data_char; 63 u_char ptr_pad2; 64 vu_char data_stat; 65 } dcm_rfifos[4][0x80]; /* Receive queues 8400 */ 66 struct { 67 u_char ptr_pad1; 68 vu_char data_data; 69 } dcm_bmap[0x100]; /* Bitmap table 8c00 */ 70 struct { 71 u_char ptr_pad; 72 vu_char ptr; 73 } dcm_rhead[4]; /* Fifo head - receive 8e00 */ 74 struct { 75 u_char ptr_pad; 76 vu_char ptr; 77 } dcm_rtail[4]; /* Fifo tail - receive 8e08 */ 78 struct { 79 u_char ptr_pad; 80 vu_char ptr; 81 } dcm_thead[4]; /* Fifo head - transmit 8e10 */ 82 struct { 83 u_char ptr_pad; 84 vu_char ptr; 85 } dcm_ttail[4]; /* Fifo tail - transmit 8e18 */ 86 struct { 87 u_char pad1; 88 vu_char dcm_conf; 89 u_char pad2; 90 vu_char dcm_baud; 91 } dcm_data[4]; /* Configuration registers 8e20 */ 92 struct modemreg { 93 u_char pad0; 94 vu_char mdmin; /* Modem in 8e31 */ 95 u_char pad1; 96 vu_char mdmout; /* Modem out 8e33 */ 97 u_char pad2; 98 vu_char mdmmsk; /* Modem mask 8e35 */ 99 } dcm_modem0; 100 struct { 101 u_char pad1; 102 vu_char dcm_data; 103 } dcm_cmdtab[4]; /* Command tables 8e36 */ 104 struct { 105 u_char pad1; 106 vu_char dcm_data; 107 } dcm_icrtab[4]; /* Interrupt data 8e3e */ 108 u_char dcm_pad10; 109 vu_char dcm_stcon; /* Self test condition 8e47 */ 110 struct modemreg dcm_modem1; /* 638 Modem port1 8e48 */ 111 struct modemreg dcm_modem2; /* 638 Modem port2 8e4e */ 112 struct modemreg dcm_modem3; /* 638 Modem port3 8e54 */ 113 u_char dcm_pad11; 114 vu_char dcm_modemchng; /* 638 Modem change mask 8e5b */ 115 u_char dcm_pad12; 116 vu_char dcm_modemintr; /* 638 Modem interrupt mask 8e5d */ 117 u_char dcm_pad13[0x82]; /* Undef Shared Ram 8e5e-8edf */ 118 struct dcmtfifo { 119 u_char ptr_pad1; 120 vu_char data_char; 121 } dcm_tfifos[4][0x10]; /* Transmit queues 8ee0 */ 122 }; 123 124 /* 125 * Overlay structure for port specific queue "registers". 126 * Starts at offset 0x8E00+(port*2). 127 */ 128 struct dcmpreg { 129 u_char pad0; /* +00 */ 130 vu_char r_head; /* +01 */ 131 u_char pad1[7]; /* +02 */ 132 vu_char r_tail; /* +09 */ 133 u_char pad2[7]; /* +0A */ 134 vu_char t_head; /* +11 */ 135 u_char pad3[7]; /* +12 */ 136 vu_char t_tail; /* +19 */ 137 }; 138 #define dcm_preg(d, p) ((struct dcmpreg *)((u_int)(d)+0x8e00+(p)*2)) 139 140 /* interface reset/id */ 141 #define DCMCON 0x80 /* REMOTE/LOCAL switch, read */ 142 #define DCMID 0x5 /* hardwired card id, read */ 143 #define DCMRS 0x80 /* software reset, write */ 144 145 /* interrupt control */ 146 #define DCMIPL(x) ((((x) >> 4) & 3) + 3) /* interupt level, read */ 147 #define IC_IR 0x40 /* interupt request, read */ 148 #define IC_IE 0x80 /* interupt enable, write */ 149 #define IC_ID 0x00 /* interupt disable, write */ 150 151 152 /* Semaphore control */ 153 #define SEM_BSY 0x80 /* read */ 154 #define SEM_CLR 0xFF /* write */ 155 #define SEM_LOCK(dcm) while ((dcm)->dcm_sem & SEM_BSY) 156 #define SEM_UNLOCK(dcm) (dcm)->dcm_sem = SEM_CLR 157 158 /* command register */ 159 #define CR_PORT0 0x1 160 #define CR_PORT1 0x2 161 #define CR_PORT2 0x4 162 #define CR_PORT3 0x8 163 #define CR_MODM 0x10 /* change modem output lines */ 164 #define CR_TIMER 0x20 /* 16ms interrupt timer toggle */ 165 #define CR_SELFT 0x40 /* run self test */ 166 #define CR_MASK 0x7f 167 168 /* interrupt ident register */ 169 #define IIR_PORT0 0x1 170 #define IIR_PORT1 0x2 171 #define IIR_PORT2 0x4 172 #define IIR_PORT3 0x8 173 #define IIR_SELFT 0x10 /* self test completed */ 174 #define IIR_MODM 0x20 /* change in modem input lines */ 175 #define IIR_TIMEO 0x40 /* Time out */ 176 #define IIR_MASK 0x7f 177 178 /* self test cond reg */ 179 #define ST_OK 0xe0 180 181 /* Line configuration register */ 182 #define LC_PNO 0x00 183 #define LC_PODD 0x01 184 #define LC_PEVEN 0x02 185 #define LC_PMSK 0x03 186 187 #define LC_1STOP 0x00 188 #define LC_1HSTOP 0x04 189 #define LC_2STOP 0x08 190 #define LC_STOPMSK 0x0b 191 192 #define LC_8BITS 0x30 193 #define LC_7BITS 0x20 194 #define LC_6BITS 0x10 195 #define LC_5BITS 0x00 196 #define LC_BITMSK 0x30 197 198 /* baud reg */ 199 #define BR_0 0x00 200 #define BR_50 0x01 201 #define BR_75 0x02 202 #define BR_110 0x03 203 #define BR_134 0x04 204 #define BR_150 0x05 205 #define BR_300 0x06 206 #define BR_600 0x07 207 #define BR_900 0x08 208 #define BR_1200 0x09 209 #define BR_1800 0x0a 210 #define BR_2400 0x0b 211 #define BR_3600 0x0c 212 #define BR_4800 0x0d 213 #define BR_7200 0x0e 214 #define BR_9600 0x0f 215 #define BR_19200 0x10 216 #define BR_38400 0x11 217 218 /* modem input register */ 219 #define MI_CTS 0x08 220 #define MI_DM 0x04 221 #define MI_CD 0x02 222 #define MI_RI 0x01 223 224 /* modem output register */ 225 #define MO_SR 0x04 226 #define MO_DTR 0x02 227 #define MO_RTS 0x01 228 #define MO_ON ((MO_DTR) | (MO_RTS)) 229 #define MO_OFF 0x00 230 231 /* cmd-tab values, write */ 232 #define CT_CON 0x1 /* configuration change */ 233 #define CT_TX 0x2 /* transmit buffer not empty */ 234 #define CT_BRK 0x4 /* toggle BREAK */ 235 236 /* icr-tab values, read */ 237 #define IT_TX 0x1 /* transmit buffer empty */ 238 #define IT_SPEC 0x2 /* special character received */ 239 240 /* data errors */ 241 #define RD_OVF 0x08 242 #define RD_BD 0x10 243 #define RD_PE 0x20 244 #define RD_OE 0x40 245 #define RD_FE 0x80 246 #define RD_MASK 0xf8 247 248 /* Transmit/Receive masks */ 249 #define TX_MASK 0x0f 250 #define RX_MASK 0xff 251 252 /* 253 * DCM console caveat: only port 1 is affected by the remote switch, and 254 * thus the only supported console port on a given DCM card. 255 */ 256 #define DCMCONSPORT 1 257
Indexes created Mon Sep 29 21:09:56 GMT 2025