dcmreg.h revision 1.3
1 /* 2 * Copyright (c) 1988 University of Utah. 3 * Copyright (c) 1982, 1986, 1990, 1993 4 * The Regents of the University of California. All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * the Systems Programming Group of the University of Utah Computer 8 * Science Department. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the University of 21 * California, Berkeley and its contributors. 22 * 4. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * from: Utah $Hdr: dcmreg.h 1.7 92/01/21$ 39 * 40 * from: @(#)dcmreg.h 8.1 (Berkeley) 6/10/93 41 * $Id: dcmreg.h,v 1.3 1994/05/23 05:58:43 mycroft Exp $ 42 */ 43 44 #include <hp300/dev/iotypes.h> /* XXX */ 45 46 struct dcmdevice { /* host address, only odd bytes addressed */ 47 u_char dcm_pad0; 48 vu_char dcm_rsid; /* Reset / ID 0001 */ 49 u_char dcm_pad1; 50 vu_char dcm_ic; /* Interrupt control register 0003 */ 51 u_char dcm_pad2; 52 vu_char dcm_sem; /* Semaphore register 0005 */ 53 u_char dcm_pad3[0x7ffa]; /* Unaddressable 0006-7fff */ 54 u_char dcm_pad4; 55 vu_char dcm_iir; /* Interrupt ident register 8001 */ 56 u_char dcm_pad5; 57 vu_char dcm_cr; /* Command register 8003 */ 58 u_char dcm_pad6[0x3fc]; /* Card scratch 8004-83ff */ 59 struct dcmrfifo { 60 u_char ptr_pad1; 61 vu_char data_char; 62 u_char ptr_pad2; 63 vu_char data_stat; 64 } dcm_rfifos[4][0x80]; /* Receive queues 8400 */ 65 struct { 66 u_char ptr_pad1; 67 vu_char data_data; 68 } dcm_bmap[0x100]; /* Bitmap table 8c00 */ 69 struct { 70 u_char ptr_pad; 71 vu_char ptr; 72 } dcm_rhead[4]; /* Fifo head - receive 8e00 */ 73 struct { 74 u_char ptr_pad; 75 vu_char ptr; 76 } dcm_rtail[4]; /* Fifo tail - receive 8e08 */ 77 struct { 78 u_char ptr_pad; 79 vu_char ptr; 80 } dcm_thead[4]; /* Fifo head - transmit 8e10 */ 81 struct { 82 u_char ptr_pad; 83 vu_char ptr; 84 } dcm_ttail[4]; /* Fifo tail - transmit 8e18 */ 85 struct { 86 u_char pad1; 87 vu_char dcm_conf; 88 u_char pad2; 89 vu_char dcm_baud; 90 } dcm_data[4]; /* Configuration registers 8e20 */ 91 struct modemreg { 92 u_char pad0; 93 vu_char mdmin; /* Modem in 8e31 */ 94 u_char pad1; 95 vu_char mdmout; /* Modem out 8e33 */ 96 u_char pad2; 97 vu_char mdmmsk; /* Modem mask 8e35 */ 98 } dcm_modem0; 99 struct { 100 u_char pad1; 101 vu_char dcm_data; 102 } dcm_cmdtab[4]; /* Command tables 8e36 */ 103 struct { 104 u_char pad1; 105 vu_char dcm_data; 106 } dcm_icrtab[4]; /* Interrupt data 8e3e */ 107 u_char dcm_pad10; 108 vu_char dcm_stcon; /* Self test condition 8e47 */ 109 struct modemreg dcm_modem1; /* 638 Modem port1 8e48 */ 110 struct modemreg dcm_modem2; /* 638 Modem port2 8e4e */ 111 struct modemreg dcm_modem3; /* 638 Modem port3 8e54 */ 112 u_char dcm_pad11; 113 vu_char dcm_modemchng; /* 638 Modem change mask 8e5b */ 114 u_char dcm_pad12; 115 vu_char dcm_modemintr; /* 638 Modem interrupt mask 8e5d */ 116 u_char dcm_pad13[0x82]; /* Undef Shared Ram 8e5e-8edf */ 117 struct dcmtfifo { 118 u_char ptr_pad1; 119 vu_char data_char; 120 } dcm_tfifos[4][0x10]; /* Transmit queues 8ee0 */ 121 }; 122 123 /* 124 * Overlay structure for port specific queue "registers". 125 * Starts at offset 0x8E00+(port*2). 126 */ 127 struct dcmpreg { 128 u_char pad0; /* +00 */ 129 vu_char r_head; /* +01 */ 130 u_char pad1[7]; /* +02 */ 131 vu_char r_tail; /* +09 */ 132 u_char pad2[7]; /* +0A */ 133 vu_char t_head; /* +11 */ 134 u_char pad3[7]; /* +12 */ 135 vu_char t_tail; /* +19 */ 136 }; 137 #define dcm_preg(d, p) ((struct dcmpreg *)((u_int)(d)+0x8e00+(p)*2)) 138 139 /* interface reset/id */ 140 #define DCMCON 0x80 /* REMOTE/LOCAL switch, read */ 141 #define DCMID 0x5 /* hardwired card id, read */ 142 #define DCMRS 0x80 /* software reset, write */ 143 144 /* interrupt control */ 145 #define DCMIPL(x) ((((x) >> 4) & 3) + 3) /* interupt level, read */ 146 #define IC_IR 0x40 /* interupt request, read */ 147 #define IC_IE 0x80 /* interupt enable, write */ 148 #define IC_ID 0x00 /* interupt disable, write */ 149 150 151 /* Semaphore control */ 152 #define SEM_BSY 0x80 /* read */ 153 #define SEM_CLR 0xFF /* write */ 154 #define SEM_LOCK(dcm) while ((dcm)->dcm_sem & SEM_BSY) 155 #define SEM_UNLOCK(dcm) (dcm)->dcm_sem = SEM_CLR 156 157 /* command register */ 158 #define CR_PORT0 0x1 159 #define CR_PORT1 0x2 160 #define CR_PORT2 0x4 161 #define CR_PORT3 0x8 162 #define CR_MODM 0x10 /* change modem output lines */ 163 #define CR_TIMER 0x20 /* 16ms interrupt timer toggle */ 164 #define CR_SELFT 0x40 /* run self test */ 165 #define CR_MASK 0x7f 166 167 /* interrupt ident register */ 168 #define IIR_PORT0 0x1 169 #define IIR_PORT1 0x2 170 #define IIR_PORT2 0x4 171 #define IIR_PORT3 0x8 172 #define IIR_SELFT 0x10 /* self test completed */ 173 #define IIR_MODM 0x20 /* change in modem input lines */ 174 #define IIR_TIMEO 0x40 /* Time out */ 175 #define IIR_MASK 0x7f 176 177 /* self test cond reg */ 178 #define ST_OK 0xe0 179 180 /* Line configuration register */ 181 #define LC_PNO 0x00 182 #define LC_PODD 0x01 183 #define LC_PEVEN 0x02 184 #define LC_PMSK 0x03 185 186 #define LC_1STOP 0x00 187 #define LC_1HSTOP 0x04 188 #define LC_2STOP 0x08 189 #define LC_STOPMSK 0x0b 190 191 #define LC_8BITS 0x30 192 #define LC_7BITS 0x20 193 #define LC_6BITS 0x10 194 #define LC_5BITS 0x00 195 #define LC_BITMSK 0x30 196 197 /* baud reg */ 198 #define BR_0 0x00 199 #define BR_50 0x01 200 #define BR_75 0x02 201 #define BR_110 0x03 202 #define BR_134 0x04 203 #define BR_150 0x05 204 #define BR_300 0x06 205 #define BR_600 0x07 206 #define BR_900 0x08 207 #define BR_1200 0x09 208 #define BR_1800 0x0a 209 #define BR_2400 0x0b 210 #define BR_3600 0x0c 211 #define BR_4800 0x0d 212 #define BR_7200 0x0e 213 #define BR_9600 0x0f 214 #define BR_19200 0x10 215 #define BR_38400 0x11 216 217 /* modem input register */ 218 #define MI_CTS 0x08 219 #define MI_DM 0x04 220 #define MI_CD 0x02 221 #define MI_RI 0x01 222 223 /* modem output register */ 224 #define MO_SR 0x04 225 #define MO_DTR 0x02 226 #define MO_RTS 0x01 227 #define MO_ON ((MO_DTR) | (MO_RTS)) 228 #define MO_OFF 0x00 229 230 /* cmd-tab values, write */ 231 #define CT_CON 0x1 /* configuration change */ 232 #define CT_TX 0x2 /* transmit buffer not empty */ 233 #define CT_BRK 0x4 /* toggle BREAK */ 234 235 /* icr-tab values, read */ 236 #define IT_TX 0x1 /* transmit buffer empty */ 237 #define IT_SPEC 0x2 /* special character received */ 238 239 /* data errors */ 240 #define RD_OVF 0x08 241 #define RD_BD 0x10 242 #define RD_PE 0x20 243 #define RD_OE 0x40 244 #define RD_FE 0x80 245 #define RD_MASK 0xf8 246 247 /* Transmit/Receive masks */ 248 #define TX_MASK 0x0f 249 #define RX_MASK 0xff 250 251 /* 252 * WARNING: Serial console is assumed to be the lowest select-code card 253 * and that card must be logical unit 0 in the kernel. Also, CONUNIT must 254 * be 1, the port affected by the REMOTE/LOCAL switch. 255 */ 256 #define CONUNIT (1) 257
Indexes created Sat Sep 27 22:09:54 GMT 2025