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[src/trunk]: src/sys/arch/pica/dev Moved to /cvsroot/syssrc/sys/arch/arc/dev/...
details: https://anonhg.NetBSD.org/src/rev/e32cbce68342
branches: trunk
changeset: 481084:e32cbce68342
user: soda <soda%NetBSD.org@localhost>
date: Sun Jan 23 20:08:57 2000 +0000
description:
Moved to /cvsroot/syssrc/sys/arch/arc/dev/com_lbus.c,v
diffstat:
sys/arch/pica/dev/com.c | 1037 -----------------------------------------------
1 files changed, 0 insertions(+), 1037 deletions(-)
diffs (truncated from 1041 to 300 lines):
diff -r 0421e72aa376 -r e32cbce68342 sys/arch/pica/dev/com.c
--- a/sys/arch/pica/dev/com.c Sun Jan 23 20:08:57 2000 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,1037 +0,0 @@
-/* $NetBSD: com.c,v 1.7 1998/08/15 10:18:17 mycroft Exp $ */
-
-/*-
- * Copyright (c) 1998 The NetBSD Foundation, Inc.
- * All rights reserved.
- *
- * This code is derived from software contributed to The NetBSD Foundation
- * by Charles M. Hannum.
- *
- * 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 NetBSD
- * Foundation, Inc. and its contributors.
- * 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
- */
-
-/*-
- * Copyright (c) 1991 The 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. 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.
- *
- * @(#)com.c 7.5 (Berkeley) 5/16/91
- */
-
-/*
- * COM driver, based on HP dca driver
- * uses National Semiconductor NS16450/NS16550AF UART
- */
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/ioctl.h>
-#include <sys/select.h>
-#include <sys/tty.h>
-#include <sys/proc.h>
-#include <sys/user.h>
-#include <sys/conf.h>
-#include <sys/file.h>
-#include <sys/uio.h>
-#include <sys/kernel.h>
-#include <sys/syslog.h>
-#include <sys/types.h>
-#include <sys/device.h>
-
-#include <machine/cpu.h>
-#include <machine/autoconf.h>
-#include <machine/pio.h>
-#include <pica/pica/pica.h>
-
-#include <dev/isa/comreg.h>
-#include <dev/ic/ns16550reg.h>
-
-#define COM_IBUFSIZE (2 * 256)
-#define COM_IHIGHWATER ((3 * COM_IBUFSIZE) / 4)
-
-struct com_softc {
- struct device sc_dev;
- struct tty *sc_tty;
-
- int sc_overflows;
- int sc_floods;
- int sc_errors;
-
- long sc_iobase;
- u_char sc_hwflags;
-#define COM_HW_NOIEN 0x01
-#define COM_HW_FIFO 0x02
-#define COM_HW_CONSOLE 0x40
- u_char sc_swflags;
-#define COM_SW_SOFTCAR 0x01
-#define COM_SW_CLOCAL 0x02
-#define COM_SW_CRTSCTS 0x04
-#define COM_SW_MDMBUF 0x08
- u_char sc_msr, sc_mcr;
- u_char sc_dtr;
-
- u_char *sc_ibuf, *sc_ibufp, *sc_ibufhigh, *sc_ibufend;
- u_char sc_ibufs[2][COM_IBUFSIZE];
-};
-
-int commatch __P((struct device *, void *, void *));
-void comattach __P((struct device *, struct device *, void *));
-int comopen __P((dev_t, int, int, struct proc *));
-int comclose __P((dev_t, int, int, struct proc *));
-void comdiag __P((void *));
-int comintr __P((void *));
-void compoll __P((void *));
-int comparam __P((struct tty *, struct termios *));
-void comstart __P((struct tty *));
-
-struct cfattach pcom_ca = {
- sizeof(struct com_softc), commatch, comattach
-};
-
-extern struct cfdriver pcom_cd;
-
-int comdefaultrate = TTYDEF_SPEED;
-#ifdef COMCONSOLE
-int comconsole = COMCONSOLE;
-#else
-int comconsole = -1;
-#endif
-int comconsinit;
-int commajor;
-int comsopen = 0;
-int comevents = 0;
-
-#ifdef KGDB
-#include <machine/remote-sl.h>
-extern int kgdb_dev;
-extern int kgdb_rate;
-extern int kgdb_debug_init;
-#endif
-
-#define COMUNIT(x) (minor(x))
-
-#define bis(c, b) do { const register int com_ad = (c); \
- outb(com_ad, inb(com_ad) | (b)); } while(0)
-#define bic(c, b) do { const register int com_ad = (c); \
- outb(com_ad, inb(com_ad) & ~(b)); } while(0)
-
-int
-comspeed(speed)
- long speed;
-{
-#define divrnd(n, q) (((n)*2/(q)+1)/2) /* divide and round off */
-
- int x, err;
-
- if (speed == 0)
- return 0;
- if (speed < 0)
- return -1;
- x = divrnd((COM_FREQ / 16), speed);
- if (x <= 0)
- return -1;
- err = divrnd((COM_FREQ / 16) * 1000, speed * x) - 1000;
- if (err < 0)
- err = -err;
- if (err > COM_TOLERANCE)
- return -1;
- return x;
-
-#undef divrnd(n, q)
-}
-
-int
-commatch1(iobase)
- long iobase;
-{
-
- /* force access to id reg */
- outb(iobase + com_cfcr, 0);
- outb(iobase + com_iir, 0);
- if (inb(iobase + com_iir) & 0x38)
- return 0;
-
- return 1;
-}
-
-int
-commatch(parent, cfdata, aux)
- struct device *parent;
- void *cfdata, *aux;
-{
- struct confargs *ca = aux;
- long iobase;
-
- /* Make shure that we're looking for this type of device. */
- if(!BUS_MATCHNAME(ca, "com"))
- return(0);
-
- iobase = (long)BUS_CVTADDR(ca);
- if (!commatch1(iobase))
- return (0);
-
- return (1);
-}
-
-void
-comattach(parent, self, aux)
- struct device *parent, *self;
- void *aux;
-{
- struct com_softc *sc = (void *)self;
- struct confargs *ca = aux;
- struct cfdata *cf = sc->sc_dev.dv_cfdata;
- long iobase;
- struct tty *tp;
-
- sc->sc_iobase = iobase = (long)BUS_CVTADDR(ca);
- sc->sc_hwflags = cf->cf_flags & COM_HW_NOIEN;
- sc->sc_swflags = 0;
-
- if (sc->sc_dev.dv_unit == comconsole)
- delay(1000);
-
- /* look for a NS 16550AF UART with FIFOs */
- outb(iobase + com_fifo,
- FIFO_ENABLE | FIFO_RCV_RST | FIFO_XMT_RST | FIFO_TRIGGER_14);
- delay(100);
- if ((inb(iobase + com_iir) & IIR_FIFO_MASK) == IIR_FIFO_MASK)
- if ((inb(iobase + com_fifo) & FIFO_TRIGGER_14) == FIFO_TRIGGER_14) {
- sc->sc_hwflags |= COM_HW_FIFO;
- printf(": ns16550a, working fifo\n");
- } else
- printf(": ns16550, broken fifo\n");
- else
- printf(": ns8250 or ns16450, no fifo\n");
- outb(iobase + com_fifo, 0);
-
- /* disable interrupts */
- outb(iobase + com_ier, 0);
- outb(iobase + com_mcr, 0);
-
- BUS_INTR_ESTABLISH(ca, comintr, (void *)(long)sc);
-
-#ifdef KGDB
- if (kgdb_dev == makedev(commajor, unit)) {
- if (comconsole == unit)
- kgdb_dev = -1; /* can't debug over console port */
- else {
- (void) cominit(unit, kgdb_rate);
- if (kgdb_debug_init) {
- /*
- * Print prefix of device name,
- * let kgdb_connect print the rest.
- */
- printf("%s: ", sc->sc_dev.dv_xname);
- kgdb_connect(1);
- } else
- printf("%s: kgdb enabled\n",
- sc->sc_dev.dv_xname);
- }
- }
-#endif
-
- if (sc->sc_dev.dv_unit == comconsole) {
- /*
- * Need to reset baud rate, etc. of next print so reset
- * comconsinit. Also make sure console is always "hardwired".
- */
- comconsinit = 0;
- sc->sc_hwflags |= COM_HW_CONSOLE;
- sc->sc_swflags |= COM_SW_SOFTCAR;
- }
-}
-
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