1 /* $OpenBSD: pccomvar.h,v 1.14 2002/03/14 01:26:33 millert Exp $ */ 2 /* $NetBSD: comvar.h,v 1.5 1996/05/05 19:50:47 christos Exp $ */ 3 4 /* 5 * Copyright (c) 1996 Christopher G. Demetriou. 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 Christopher G. Demetriou 18 * for the NetBSD Project. 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 /* XXX - should be shared among com.c and pccom.c */ 35 struct commulti_attach_args { 36 int ca_slave; /* slave number */ 37 38 bus_space_tag_t ca_iot; 39 bus_space_handle_t ca_ioh; 40 int ca_iobase; 41 int ca_noien; 42 }; 43 44 struct com_softc { 45 struct device sc_dev; 46 void *sc_ih; 47 bus_space_tag_t sc_iot; 48 struct tty *sc_tty; 49 struct timeout sc_dtr_tmo; 50 struct timeout sc_diag_tmo; 51 52 int sc_overflows; 53 int sc_floods; 54 int sc_errors; 55 56 int sc_halt; 57 58 int sc_iobase; 59 int sc_frequency; 60 #ifdef COM_HAYESP 61 int sc_hayespbase; 62 #endif 63 64 bus_space_handle_t sc_ioh; 65 bus_space_handle_t sc_hayespioh; 66 isa_chipset_tag_t sc_ic; 67 68 u_char sc_uarttype; 69 #define COM_UART_UNKNOWN 0x00 /* unknown */ 70 #define COM_UART_8250 0x01 /* no fifo */ 71 #define COM_UART_16450 0x02 /* no fifo */ 72 #define COM_UART_16550 0x03 /* no working fifo */ 73 #define COM_UART_16550A 0x04 /* 16 byte fifo */ 74 #define COM_UART_ST16650 0x05 /* no working fifo */ 75 #define COM_UART_ST16650V2 0x06 /* 32 byte fifo */ 76 #define COM_UART_TI16750 0x07 /* 64 byte fifo */ 77 #define COM_UART_XR16850 0x10 /* 128 byte fifo */ 78 u_char sc_uartrev; 79 80 u_char sc_hwflags; 81 #define COM_HW_NOIEN 0x01 82 #define COM_HW_FIFO 0x02 83 #define COM_HW_HAYESP 0x04 84 #define COM_HW_CONSOLE 0x40 85 #define COM_HW_KGDB 0x80 86 u_char sc_swflags; 87 #define COM_SW_SOFTCAR 0x01 88 #define COM_SW_CLOCAL 0x02 89 #define COM_SW_CRTSCTS 0x04 90 #define COM_SW_MDMBUF 0x08 91 int sc_fifolen; 92 u_char sc_msr, sc_mcr, sc_lcr, sc_ier; 93 u_char sc_dtr; 94 95 u_char sc_cua; 96 97 u_char sc_initialize; /* force initialization */ 98 99 #define RBUFSIZE 512 100 #define RBUFMASK 511 101 u_int sc_rxget; 102 volatile u_int sc_rxput; 103 u_char sc_rxbuf[RBUFSIZE]; 104 u_char *sc_tba; 105 int sc_tbc; 106 107 /* power management hooks */ 108 int (*enable)(struct com_softc *); 109 void (*disable)(struct com_softc *); 110 int enabled; 111 }; 112 113 int comprobe1(bus_space_tag_t, bus_space_handle_t); 114 void cominit(bus_space_tag_t, bus_space_handle_t, int); 115 int comstop(struct tty *, int); 116 int comintr(void *); 117 int com_detach(struct device *, int); 118 int com_activate(struct device *, enum devact); 119 120 #ifdef COM_HAYESP 121 int comprobeHAYESP(bus_space_handle_t hayespioh, struct com_softc *sc); 122 #endif 123 void comdiag(void *); 124 int comspeed(long, long); 125 int comparam(struct tty *, struct termios *); 126 void comstart(struct tty *); 127 void comsoft(void); 128 int comhwiflow(struct tty *, int); 129 void com_raisedtr(void *); 130 131 struct consdev; 132 void comcnprobe(struct consdev *); 133 void comcninit(struct consdev *); 134 int comcngetc(dev_t); 135 void comcnputc(dev_t, int); 136 void comcnpollc(dev_t, int); 137 int com_common_getc(bus_space_tag_t, bus_space_handle_t); 138 void com_common_putc(bus_space_tag_t, bus_space_handle_t, int); 139 140 #if defined(DDB) || defined(KGDB) 141 void com_enable_debugport(struct com_softc *); 142 #endif /* DDB || KGDB */ 143 144 #ifdef KGDB 145 int com_kgdb_attach(bus_space_tag_t, int, int, int, tcflag_t); 146 int kgdbintr(void *); 147 #endif /* KGDB */ 148 149 extern int comconsaddr; 150 extern int comconsinit; 151 extern int comconsattached; 152 extern bus_space_tag_t comconsiot; 153 extern bus_space_handle_t comconsioh; 154 extern tcflag_t comconscflag; 155