comvar.h revision 1.20
1/* $OpenBSD: comvar.h,v 1.20 2001/03/15 17:52:20 deraadt Exp $ */ 2/* $NetBSD: comvar.h,v 1.5 1996/05/05 19:50:47 christos Exp $ */ 3 4/* 5 * Copyright (c) 1997 - 1998, Jason Downs. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Jason Downs for the 18 * OpenBSD system. 19 * 4. Neither the name(s) of the author(s) nor the name OpenBSD 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS 24 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 25 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 26 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, 27 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 28 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 29 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 30 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35/* 36 * Copyright (c) 1996 Christopher G. Demetriou. All rights reserved. 37 * 38 * Redistribution and use in source and binary forms, with or without 39 * modification, are permitted provided that the following conditions 40 * are met: 41 * 1. Redistributions of source code must retain the above copyright 42 * notice, this list of conditions and the following disclaimer. 43 * 2. Redistributions in binary form must reproduce the above copyright 44 * notice, this list of conditions and the following disclaimer in the 45 * documentation and/or other materials provided with the distribution. 46 * 3. All advertising materials mentioning features or use of this software 47 * must display the following acknowledgement: 48 * This product includes software developed by Christopher G. Demetriou 49 * for the NetBSD Project. 50 * 4. The name of the author may not be used to endorse or promote products 51 * derived from this software without specific prior written permission 52 * 53 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 54 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 55 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 56 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 57 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 58 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 59 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 60 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 61 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 62 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 63 */ 64 65#include <sys/timeout.h> 66 67struct commulti_attach_args { 68 int ca_slave; /* slave number */ 69 70 bus_space_tag_t ca_iot; 71 bus_space_handle_t ca_ioh; 72 int ca_iobase; 73 int ca_noien; 74}; 75 76#define COM_IBUFSIZE (2 * 512) 77#define COM_IHIGHWATER ((3 * COM_IBUFSIZE) / 4) 78 79struct com_softc { 80 struct device sc_dev; 81 void *sc_ih; 82 bus_space_tag_t sc_iot; 83 struct tty *sc_tty; 84 struct timeout sc_dtr_tmo; 85 struct timeout sc_diag_tmo; 86 struct timeout sc_poll_tmo; 87 88 int sc_overflows; 89 int sc_floods; 90 int sc_errors; 91 92 int sc_halt; 93 94 int sc_iobase; 95 int sc_frequency; 96#ifdef COM_HAYESP 97 int sc_hayespbase; 98#endif 99 100 bus_space_handle_t sc_ioh; 101 bus_space_handle_t sc_hayespioh; 102 103 u_char sc_uarttype; 104#define COM_UART_UNKNOWN 0x00 /* unknown */ 105#define COM_UART_8250 0x01 /* no fifo */ 106#define COM_UART_16450 0x02 /* no fifo */ 107#define COM_UART_16550 0x03 /* no working fifo */ 108#define COM_UART_16550A 0x04 /* 16 byte fifo */ 109#define COM_UART_ST16650 0x05 /* no working fifo */ 110#define COM_UART_ST16650V2 0x06 /* 32 byte fifo */ 111#define COM_UART_TI16750 0x07 /* 64 byte fifo */ 112#define COM_UART_XR16850 0x10 /* 128 byte fifo */ 113 114 u_char sc_hwflags; 115#define COM_HW_NOIEN 0x01 116#define COM_HW_FIFO 0x02 117#define COM_HW_HAYESP 0x04 118#define COM_HW_CONSOLE 0x40 119#define COM_HW_KGDB 0x80 120 u_char sc_swflags; 121#define COM_SW_SOFTCAR 0x01 122#define COM_SW_CLOCAL 0x02 123#define COM_SW_CRTSCTS 0x04 124#define COM_SW_MDMBUF 0x08 125#define COM_SW_PPS 0x10 126 int sc_fifolen; 127 u_char sc_msr, sc_mcr, sc_lcr, sc_ier; 128 u_char sc_dtr; 129 130 u_char sc_cua; 131 132 u_char sc_initialize; /* force initialization */ 133 134 u_char *sc_ibuf, *sc_ibufp, *sc_ibufhigh, *sc_ibufend; 135 u_char sc_ibufs[2][COM_IBUFSIZE]; 136 137 /* power management hooks */ 138 int (*enable) __P((struct com_softc *)); 139 void (*disable) __P((struct com_softc *)); 140 int enabled; 141}; 142 143int comprobe1 __P((bus_space_tag_t, bus_space_handle_t)); 144void cominit __P((bus_space_tag_t, bus_space_handle_t, int)); 145int comstop __P((struct tty *, int)); 146int comintr __P((void *)); 147int com_detach __P((struct device *, int)); 148int com_activate __P((struct device *, enum devact)); 149 150#ifdef COM_HAYESP 151int comprobeHAYESP __P((bus_space_handle_t hayespioh, struct com_softc *sc)); 152#endif 153void comdiag __P((void *)); 154int comspeed __P((long, long)); 155u_char com_cflag2lcr __P((tcflag_t)); 156int comparam __P((struct tty *, struct termios *)); 157void comstart __P((struct tty *)); 158void compoll __P((void *)); 159 160struct consdev; 161void comcnprobe __P((struct consdev *)); 162int comcnattach __P((bus_space_tag_t, int, int, int, tcflag_t)); 163void comcninit __P((struct consdev *)); 164int comcngetc __P((dev_t)); 165void comcnputc __P((dev_t, int)); 166void comcnpollc __P((dev_t, int)); 167int com_common_getc __P((bus_space_tag_t, bus_space_handle_t)); 168void com_common_putc __P((bus_space_tag_t, bus_space_handle_t, int)); 169 170#if defined(DDB) || defined(KGDB) 171void com_enable_debugport __P((struct com_softc *)); 172#endif 173 174#ifdef KGDB 175int com_kgdb_attach __P((bus_space_tag_t, int, int, int, tcflag_t)); 176int kgdbintr __P((void *)); 177#endif 178 179int comcnattach __P((bus_space_tag_t, int, int, int, tcflag_t)); 180 181extern int comdefaultrate; 182extern int comconsaddr; 183extern int comconsinit; 184extern int comconsattached; 185extern bus_space_tag_t comconsiot; 186extern bus_space_handle_t comconsioh; 187extern tcflag_t comconscflag; 188