Annotation of sys/arch/hp300/dev/dcmreg.h, Revision 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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