Annotation of sys/arch/i386/isa/pccomvar.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: pccomvar.h,v 1.19 2006/12/28 20:50:21 miod 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:
! 61: bus_space_handle_t sc_ioh;
! 62: bus_space_handle_t sc_hayespioh;
! 63:
! 64: u_char sc_uarttype;
! 65: #define COM_UART_UNKNOWN 0x00 /* unknown */
! 66: #define COM_UART_8250 0x01 /* no fifo */
! 67: #define COM_UART_16450 0x02 /* no fifo */
! 68: #define COM_UART_16550 0x03 /* no working fifo */
! 69: #define COM_UART_16550A 0x04 /* 16 byte fifo */
! 70: #define COM_UART_ST16650 0x05 /* no working fifo */
! 71: #define COM_UART_ST16650V2 0x06 /* 32 byte fifo */
! 72: #define COM_UART_TI16750 0x07 /* 64 byte fifo */
! 73: #define COM_UART_ST16C654 0x08 /* 64 bytes fifo */
! 74: #define COM_UART_XR16850 0x10 /* 128 byte fifo */
! 75: #define COM_UART_OX16C950 0x12 /* 128 byte fifo */
! 76: u_char sc_uartrev;
! 77:
! 78: u_char sc_hwflags;
! 79: #define COM_HW_NOIEN 0x01
! 80: #define COM_HW_FIFO 0x02
! 81: #define COM_HW_CONSOLE 0x40
! 82: #define COM_HW_KGDB 0x80
! 83: u_char sc_swflags;
! 84: #define COM_SW_SOFTCAR 0x01
! 85: #define COM_SW_CLOCAL 0x02
! 86: #define COM_SW_CRTSCTS 0x04
! 87: #define COM_SW_MDMBUF 0x08
! 88: int sc_fifolen;
! 89: u_char sc_msr, sc_mcr, sc_lcr, sc_ier;
! 90: u_char sc_dtr;
! 91:
! 92: u_char sc_cua;
! 93:
! 94: u_char sc_initialize; /* force initialization */
! 95:
! 96: #define RBUFSIZE 512
! 97: #define RBUFMASK 511
! 98: u_int sc_rxget;
! 99: volatile u_int sc_rxput;
! 100: u_char sc_rxbuf[RBUFSIZE];
! 101: u_char *sc_tba;
! 102: int sc_tbc;
! 103:
! 104: /* power management hooks */
! 105: int (*enable)(struct com_softc *);
! 106: void (*disable)(struct com_softc *);
! 107: int enabled;
! 108: };
! 109:
! 110: int comprobe1(bus_space_tag_t, bus_space_handle_t);
! 111: void cominit(bus_space_tag_t, bus_space_handle_t, int);
! 112: int comstop(struct tty *, int);
! 113: int comintr(void *);
! 114: int com_detach(struct device *, int);
! 115: int com_activate(struct device *, enum devact);
! 116:
! 117: void comdiag(void *);
! 118: int comspeed(long, long);
! 119: int comparam(struct tty *, struct termios *);
! 120: void comstart(struct tty *);
! 121: void comsoft(void);
! 122: int comhwiflow(struct tty *, int);
! 123: void com_raisedtr(void *);
! 124:
! 125: struct consdev;
! 126: void comcnprobe(struct consdev *);
! 127: void comcninit(struct consdev *);
! 128: int comcngetc(dev_t);
! 129: void comcnputc(dev_t, int);
! 130: void comcnpollc(dev_t, int);
! 131: int com_common_getc(bus_space_tag_t, bus_space_handle_t);
! 132: void com_common_putc(bus_space_tag_t, bus_space_handle_t, int);
! 133:
! 134: #if defined(DDB) || defined(KGDB)
! 135: void com_enable_debugport(struct com_softc *);
! 136: #endif /* DDB || KGDB */
! 137:
! 138: #ifdef KGDB
! 139: extern bus_space_tag_t com_kgdb_iot;
! 140: extern bus_addr_t com_kgdb_addr;
! 141:
! 142: int com_kgdb_attach(bus_space_tag_t, bus_addr_t, int, int, tcflag_t);
! 143: int kgdbintr(void *);
! 144: #endif /* KGDB */
! 145:
! 146: void com_attach_subr(struct com_softc *);
! 147:
! 148: extern bus_addr_t comconsaddr;
! 149: extern int comconsinit;
! 150: extern int comconsattached;
! 151: extern bus_space_tag_t comconsiot;
! 152: extern bus_space_handle_t comconsioh;
! 153: extern tcflag_t comconscflag;
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