comvar.h revision 1.44
1/* $OpenBSD: comvar.h,v 1.44 2008/04/30 13:59:32 dlg 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 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS 17 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 19 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, 20 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 22 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 23 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28/* 29 * Copyright (c) 1996 Christopher G. Demetriou. All rights reserved. 30 * 31 * Redistribution and use in source and binary forms, with or without 32 * modification, are permitted provided that the following conditions 33 * are met: 34 * 1. Redistributions of source code must retain the above copyright 35 * notice, this list of conditions and the following disclaimer. 36 * 2. Redistributions in binary form must reproduce the above copyright 37 * notice, this list of conditions and the following disclaimer in the 38 * documentation and/or other materials provided with the distribution. 39 * 3. All advertising materials mentioning features or use of this software 40 * must display the following acknowledgement: 41 * This product includes software developed by Christopher G. Demetriou 42 * for the NetBSD Project. 43 * 4. The name of the author may not be used to endorse or promote products 44 * derived from this software without specific prior written permission 45 * 46 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 47 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 48 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 49 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 50 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 51 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 52 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 53 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 54 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 55 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 56 */ 57 58#include <sys/timeout.h> 59 60struct commulti_attach_args { 61 int ca_slave; /* slave number */ 62 63 bus_space_tag_t ca_iot; 64 bus_space_handle_t ca_ioh; 65 int ca_iobase; 66 int ca_noien; 67}; 68 69#define COM_IBUFSIZE (2 * 512) 70#define COM_IHIGHWATER ((3 * COM_IBUFSIZE) / 4) 71 72struct com_softc { 73 struct device sc_dev; 74 void *sc_ih; 75 bus_space_tag_t sc_iot; 76 struct tty *sc_tty; 77 struct timeout sc_dtr_tmo; 78 struct timeout sc_diag_tmo; 79#ifdef __HAVE_GENERIC_SOFT_INTERRUPTS 80 void *sc_si; 81#else 82 struct timeout sc_comsoft_tmo; 83#endif 84 85 int sc_overflows; 86 int sc_floods; 87 int sc_errors; 88 89 int sc_halt; 90 91 bus_addr_t sc_iobase; 92 int sc_frequency; 93 94 bus_space_handle_t sc_ioh; 95 96 u_char sc_uarttype; 97#define COM_UART_UNKNOWN 0x00 /* unknown */ 98#define COM_UART_8250 0x01 /* no fifo */ 99#define COM_UART_16450 0x02 /* no fifo */ 100#define COM_UART_16550 0x03 /* no working fifo */ 101#define COM_UART_16550A 0x04 /* 16 byte fifo */ 102#define COM_UART_ST16650 0x05 /* no working fifo */ 103#define COM_UART_ST16650V2 0x06 /* 32 byte fifo */ 104#define COM_UART_TI16750 0x07 /* 64 byte fifo */ 105#define COM_UART_ST16C654 0x08 /* 64 bytes fifo */ 106#define COM_UART_XR16850 0x10 /* 128 byte fifo */ 107#define COM_UART_PXA2X0 0x11 /* 16 byte fifo */ 108#define COM_UART_OX16C950 0x12 /* 128 byte fifo */ 109 110 u_char sc_hwflags; 111#define COM_HW_NOIEN 0x01 112#define COM_HW_FIFO 0x02 113#define COM_HW_SIR 0x20 114#define COM_HW_CONSOLE 0x40 115#define COM_HW_KGDB 0x80 116 u_char sc_swflags; 117#define COM_SW_SOFTCAR 0x01 118#define COM_SW_CLOCAL 0x02 119#define COM_SW_CRTSCTS 0x04 120#define COM_SW_MDMBUF 0x08 121#define COM_SW_PPS 0x10 122#define COM_SW_DEAD 0x20 123 int sc_fifolen; 124 u_char sc_msr, sc_mcr, sc_lcr, sc_ier; 125 u_char sc_dtr; 126 127 u_char sc_cua; 128 129 u_char sc_initialize; /* force initialization */ 130 131 u_char *sc_ibuf, *sc_ibufp, *sc_ibufhigh, *sc_ibufend; 132 u_char sc_ibufs[2][COM_IBUFSIZE]; 133 134 /* power management hooks */ 135 int (*enable)(struct com_softc *); 136 void (*disable)(struct com_softc *); 137 int enabled; 138}; 139 140int comprobe1(bus_space_tag_t, bus_space_handle_t); 141int comstop(struct tty *, int); 142int comintr(void *); 143int com_detach(struct device *, int); 144int com_activate(struct device *, enum devact); 145 146void comdiag(void *); 147int comspeed(long, long); 148u_char com_cflag2lcr(tcflag_t); /* XXX undefined */ 149int comparam(struct tty *, struct termios *); 150void comstart(struct tty *); 151void comsoft(void *); 152 153struct consdev; 154int comcnattach(bus_space_tag_t, bus_addr_t, int, int, tcflag_t); 155void comcnprobe(struct consdev *); 156void comcninit(struct consdev *); 157int comcngetc(dev_t); 158void comcnputc(dev_t, int); 159void comcnpollc(dev_t, int); 160int com_common_getc(bus_space_tag_t, bus_space_handle_t); 161void com_common_putc(bus_space_tag_t, bus_space_handle_t, int); 162void com_raisedtr(void *); 163 164#ifdef KGDB 165extern bus_addr_t com_kgdb_addr; 166extern bus_space_tag_t com_kgdb_iot; 167extern bus_space_handle_t com_kgdb_ioh; 168 169int com_kgdb_attach(bus_space_tag_t, bus_addr_t, int, int, tcflag_t); 170int kgdbintr(void *); 171#endif 172 173void com_attach_subr(struct com_softc *); 174 175extern int comdefaultrate; 176extern int comconsrate; 177extern int comconsfreq; 178extern bus_addr_t comconsaddr; 179extern bus_addr_t comsiraddr; 180extern int comconsinit; 181extern int comconsattached; 182extern bus_space_tag_t comconsiot; 183extern bus_space_handle_t comconsioh; 184extern tcflag_t comconscflag; 185