/* $NetBSD: mscreg.h,v 1.9 2007/02/22 05:04:12 thorpej Exp $ */ /* * Copyright (c) 1982, 1986, 1990 Regents of the University of California. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * - created by zik 931207 * - Fixed break value. 950108 RFH * - Added 6502 field to mscmemory so board can be halted while * it's memory is being reloaded. 950108 RFH * - Ripped out structure guts and replaced with Jukka Marin's stuff for his * freely redistributable version of the 2232 6502c code. Yea!!!!!! * 950916 RFH * - Added Jukka's turbo board detection support and tmpbuf for copys. 950918 * - Change to NetBSD style for integration in to the main tree. 950919 */ /* * Copyright (c) 1993 Zik. * Copyright (c) 1995 Jukka Marin <jmarin@teeri.jmp.fi>. * Copyright (c) 1995 Rob Healey <rhealey@kas.helios.mn.org>. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * - created by zik 931207 * - Fixed break value. 950108 RFH * - Added 6502 field to mscmemory so board can be halted while * it's memory is being reloaded. 950108 RFH * - Ripped out structure guts and replaced with Jukka Marin's stuff for his * freely redistributable version of the 2232 6502c code. Yea!!!!!! * 950916 RFH * - Added Jukka's turbo board detection support and tmpbuf for copys. 950918 * - Change to NetBSD style for integration in to the main tree. 950919 */ #define NUMLINES 7 /* number of lines per card */ #define IOBUFLEN 256 /* number of bytes per buffer */ #define IOBUFLENMASK 0xff /* mask for maximum number of bytes */ #define IOBUFHIGHWATER 192 /* point at which to enable output */ #define IOBUFLOWWATER 128 /* point at which to wake output */ #define MSC_VBL_PRIORITY 1 /* priority of vbl interrupt handler */ #define MSC_UNKNOWN 0 /* crystal not known */ #define MSC_NORMAL 1 /* normal A2232 (1.8432 MHz oscillator) */ #define MSC_TURBO 2 /* turbo A2232 (3.6864 MHz oscillator) */ struct msccommon { char Crystal; /* normal (1) or turbo (2) board? */ u_char Pad_a; u_char TimerH; /* timer value after speed check */ u_char TimerL; u_char CDHead; /* head pointer for CD message queue */ u_char CDTail; /* tail pointer for CD message queue */ u_char CDStatus; u_char Pad_b; }; struct mscstatus { u_char InHead; /* input queue head */ u_char InTail; /* input queue tail */ u_char OutDisable; /* disables output */ u_char OutHead; /* output queue head */ u_char OutTail; /* output queue tail */ u_char OutCtrl; /* soft flow control character to send */ u_char OutFlush; /* flushes output buffer */ u_char Setup; /* causes reconfiguration */ u_char Param; /* parameter byte - see MSCPARAM */ u_char Command; /* command byte - see MSCCMD */ u_char SoftFlow; /* enables xon/xoff flow control */ /* private 65C02 fields: */ u_char XonOff; /* stores XON/XOFF enable/disable */ }; #define MSC_MEMPAD1 \ (0x0200 - NUMLINES * sizeof(struct mscstatus) - sizeof(struct msccommon)) #define MSC_MEMPAD2 (0x2000 - NUMLINES * IOBUFLEN - IOBUFLEN) struct mscmemory { struct mscstatus Status[NUMLINES]; /* 0x0000-0x006f status areas */ struct msccommon Common; /* 0x0070-0x0077 common flags */ u_char Dummy1[MSC_MEMPAD1]; /* 0x00XX-0x01ff */ u_char OutBuf[NUMLINES][IOBUFLEN]; /* 0x0200-0x08ff output bufs */ u_char InBuf[NUMLINES][IOBUFLEN]; /* 0x0900-0x0fff input bufs */ u_char InCtl[NUMLINES][IOBUFLEN]; /* 0x1000-0x16ff control data */ u_char CDBuf[IOBUFLEN]; /* 0x1700-0x17ff CD event buffer */ u_char Dummy2[MSC_MEMPAD2]; /* 0x1800-0x2fff */ u_char Code[0x1000]; /* 0x3000-0x3fff code area */ u_short InterruptAck; /* 0x4000 intr ack */ u_char Dummy3[0x3ffe]; /* 0x4002-0x7fff */ u_short Enable6502Reset; /* 0x8000 Stop board, */ /* 6502 RESET line held low */ u_char Dummy4[0x3ffe]; /* 0x8002-0xbfff */ u_short ResetBoard; /* 0xc000 reset board & run, */ /* 6502 RESET line held high */ }; #undef MSC_MEMPAD1 #undef MSC_MEMPAD2 struct mscdevice { volatile struct mscmemory *board; /* where the board is located */ int flags; /* modem control flags */ int openflags; /* flags for device open */ u_char unit; /* which unit (ie. which board) */ u_char port; /* which port on the board (0-6) */ u_char active; /* does this port have hardware? */ u_char closing; /* are we flushing before close? */ char tmpbuf[IOBUFLEN]; /* temp buffer for data transfers */ }; #define MSCINCTL_CHAR 0 /* corresponding byte in InBuf is a character */ #define MSCINCTL_EVENT 1 /* corresponding byte in InBuf is an event */ #define MSCEVENT_Break 1 /* break set */ #define MSCEVENT_CarrierOn 2 /* carrier raised */ #define MSCEVENT_CarrierOff 3 /* carrier dropped */ #define MSCCMD_Enable 0x1 /* enable/DTR bit */ #define MSCCMD_Close 0x2 /* close the device */ #define MSCCMD_Open 0xb /* open the device */ #define MSCCMD_CMask 0xf /* command mask */ #define MSCCMD_RTSOff 0x0 /* turn off RTS */ #define MSCCMD_RTSOn 0x8 /* turn on RTS */ #define MSCCMD_Break 0xd /* transmit a break */ #define MSCCMD_RTSMask 0xc /* mask for RTS stuff */ #define MSCCMD_NoParity 0x00 /* don't use parity */ #define MSCCMD_OddParity 0x20 /* odd parity */ #define MSCCMD_EvenParity 0x60 /* even parity */ #define MSCCMD_ParityMask 0xe0 /* parity mask */ #define MSCPARAM_B115200 0x0 /* baud rates */ #define MSCPARAM_B50 0x1 #define MSCPARAM_B75 0x2 #define MSCPARAM_B110 0x3 #define MSCPARAM_B134 0x4 #define MSCPARAM_B150 0x5 #define MSCPARAM_B300 0x6 #define MSCPARAM_B600 0x7 #define MSCPARAM_B1200 0x8 #define MSCPARAM_B1800 0x9 #define MSCPARAM_B2400 0xa #define MSCPARAM_B3600 0xb #define MSCPARAM_B4800 0xc #define MSCPARAM_B7200 0xd #define MSCPARAM_B9600 0xe #define MSCPARAM_B19200 0xf #define MSCPARAM_BaudMask 0xf /* baud rate mask */ #define MSCPARAM_RcvBaud 0x10 /* enable receive baud rate */ #define MSCPARAM_8Bit 0x00 /* numbers of bits */ #define MSCPARAM_7Bit 0x20 #define MSCPARAM_6Bit 0x40 #define MSCPARAM_5Bit 0x60 #define MSCPARAM_BitMask 0x60 /* numbers of bits mask */ /* tty number from device */ #define MSCTTY(dev) (minor(dev) & 0x7e) /* slot number from device */ #define MSCSLOT(dev) ((minor(dev) & 0x7e)>>1) /* dialin mode from device */ #define MSCDIALIN(dev) (minor(dev) & 0x01) /* board number from device */ #define MSCBOARD(dev) ((minor(dev))>>4) /* line number from device */ #define MSCLINE(dev) (((minor(dev)) & 0xe)>>1) /* number of slots */ #define MSCSLOTS ((NMSC-1)*8+7) /* number of ttys */ #define MSCTTYS (MSCSLOTS*2) /* board number given slot number */ #define MSCUNIT(slot) ((slot)>>3) /* slot number given unit and line */ #define MSCSLOTUL(unit,line) (((unit)<<3)+(line)) /* tty number given slot */ #define MSCTTYSLOT(slot) ((slot)<<1)
