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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/3334bbbac2de
branches: trunk
changeset: 481085:3334bbbac2de
user: soda <soda%NetBSD.org@localhost>
date: Sun Jan 23 20:08:58 2000 +0000
description:
Moved to /cvsroot/syssrc/sys/arch/arc/dev/lpt_lbus.c,v
diffstat:
sys/arch/pica/dev/lpt.c | 484 ------------------------------------------------
1 files changed, 0 insertions(+), 484 deletions(-)
diffs (truncated from 488 to 300 lines):
diff -r e32cbce68342 -r 3334bbbac2de sys/arch/pica/dev/lpt.c
--- a/sys/arch/pica/dev/lpt.c Sun Jan 23 20:08:57 2000 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,484 +0,0 @@
-/* $NetBSD: lpt.c,v 1.6 1998/08/15 03:02:42 mycroft Exp $ */
-
-/*
- * Copyright (c) 1993, 1994 Charles M. Hannum.
- * Copyright (c) 1990 William F. Jolitz, TeleMuse
- * 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 software is a component of "386BSD" developed by
- * William F. Jolitz, TeleMuse.
- * 4. Neither the name of the developer nor the name "386BSD"
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS A COMPONENT OF 386BSD DEVELOPED BY WILLIAM F. JOLITZ
- * AND IS INTENDED FOR RESEARCH AND EDUCATIONAL PURPOSES ONLY. THIS
- * SOFTWARE SHOULD NOT BE CONSIDERED TO BE A COMMERCIAL PRODUCT.
- * THE DEVELOPER URGES THAT USERS WHO REQUIRE A COMMERCIAL PRODUCT
- * NOT MAKE USE OF THIS WORK.
- *
- * FOR USERS WHO WISH TO UNDERSTAND THE 386BSD SYSTEM DEVELOPED
- * BY WILLIAM F. JOLITZ, WE RECOMMEND THE USER STUDY WRITTEN
- * REFERENCES SUCH AS THE "PORTING UNIX TO THE 386" SERIES
- * (BEGINNING JANUARY 1991 "DR. DOBBS JOURNAL", USA AND BEGINNING
- * JUNE 1991 "UNIX MAGAZIN", GERMANY) BY WILLIAM F. JOLITZ AND
- * LYNNE GREER JOLITZ, AS WELL AS OTHER BOOKS ON UNIX AND THE
- * ON-LINE 386BSD USER MANUAL BEFORE USE. A BOOK DISCUSSING THE INTERNALS
- * OF 386BSD ENTITLED "386BSD FROM THE INSIDE OUT" WILL BE AVAILABLE LATE 1992.
- *
- * THIS SOFTWARE IS PROVIDED BY THE DEVELOPER ``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 DEVELOPER 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.
- */
-
-/*
- * Device Driver for AT parallel printer port
- */
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/proc.h>
-#include <sys/user.h>
-#include <sys/buf.h>
-#include <sys/kernel.h>
-#include <sys/ioctl.h>
-#include <sys/uio.h>
-#include <sys/device.h>
-#include <sys/syslog.h>
-
-#include <machine/cpu.h>
-#include <machine/pio.h>
-#include <machine/autoconf.h>
-
-#include <dev/isa/lptreg.h>
-
-#define TIMEOUT hz*16 /* wait up to 16 seconds for a ready */
-#define STEP hz/4
-
-#define LPTPRI (PZERO+8)
-#define LPT_BSIZE 1024
-
-#if !defined(DEBUG) || !defined(notdef)
-#define lprintf
-#else
-#define lprintf if (lptdebug) printf
-int lptdebug = 1;
-#endif
-
-struct lpt_softc {
- struct device sc_dev;
- void *sc_ih;
-
- size_t sc_count;
- struct buf *sc_inbuf;
- u_char *sc_cp;
- int sc_spinmax;
- int sc_iobase;
- u_char sc_state;
-#define LPT_OPEN 0x01 /* device is open */
-#define LPT_OBUSY 0x02 /* printer is busy doing output */
-#define LPT_INIT 0x04 /* waiting to initialize for open */
- u_char sc_flags;
-#define LPT_AUTOLF 0x20 /* automatic LF on CR */
-#define LPT_NOPRIME 0x40 /* don't prime on open */
- u_char sc_control;
- u_char sc_laststatus;
-};
-
-int lptprobe __P((struct device *, void *, void *));
-void lptattach __P((struct device *, struct device *, void *));
-int lptintr __P((void *));
-
-struct cfattach lpt_ca = {
- sizeof(struct lpt_softc), lptprobe, lptattach
-};
-
-extern struct cfdriver lpt_cd;
-
-#define LPTUNIT(s) (minor(s) & 0x1f)
-#define LPTFLAGS(s) (minor(s) & 0xe0)
-
-#define LPS_INVERT (LPS_SELECT|LPS_NERR|LPS_NBSY|LPS_NACK)
-#define LPS_MASK (LPS_SELECT|LPS_NERR|LPS_NBSY|LPS_NACK|LPS_NOPAPER)
-#define NOT_READY() ((inb(iobase + lpt_status) ^ LPS_INVERT) & LPS_MASK)
-#define NOT_READY_ERR() not_ready(inb(iobase + lpt_status), sc)
-static int not_ready __P((u_char, struct lpt_softc *));
-
-static void lptwakeup __P((void *arg));
-static int pushbytes __P((struct lpt_softc *));
-
-/*
- * Internal routine to lptprobe to do port tests of one byte value.
- */
-int
-lpt_port_test(port, data, mask)
- int port;
- u_char data, mask;
-{
- int timeout;
- u_char temp;
-
- data &= mask;
- outb(port, data);
- timeout = 1000;
- do {
- delay(20);
- temp = inb(port) & mask;
- } while (temp != data && --timeout);
- lprintf("lpt: port=0x%x out=0x%x in=0x%x timeout=%d\n", port, data,
- temp, timeout);
- return (temp == data);
-}
-
-/*
- * Logic:
- * 1) You should be able to write to and read back the same value
- * to the data port. Do an alternating zeros, alternating ones,
- * walking zero, and walking one test to check for stuck bits.
- *
- * 2) You should be able to write to and read back the same value
- * to the control port lower 5 bits, the upper 3 bits are reserved
- * per the IBM PC technical reference manauls and different boards
- * do different things with them. Do an alternating zeros, alternating
- * ones, walking zero, and walking one test to check for stuck bits.
- *
- * Some printers drag the strobe line down when the are powered off
- * so this bit has been masked out of the control port test.
- *
- * XXX Some printers may not like a fast pulse on init or strobe, I
- * don't know at this point, if that becomes a problem these bits
- * should be turned off in the mask byte for the control port test.
- *
- * 3) Set the data and control ports to a value of 0
- */
-int
-lptprobe(parent, match, aux)
- struct device *parent;
- void *match, *aux;
-{
- struct confargs *ca = aux;
- int iobase = (int)BUS_CVTADDR(ca);
- int port;
- u_char mask, data;
- int i;
-
- if (!BUS_MATCHNAME(ca, "lpt"))
- return (0);
-
-#ifdef DEBUG
-#define ABORT do {printf("lptprobe: mask %x data %x failed\n", mask, data); \
- return 0;} while (0)
-#else
-#define ABORT return 0
-#endif
-
- port = iobase + lpt_data;
- mask = 0xff;
-
- data = 0x55; /* Alternating zeros */
- if (!lpt_port_test(port, data, mask))
- ABORT;
-
- data = 0xaa; /* Alternating ones */
- if (!lpt_port_test(port, data, mask))
- ABORT;
-
- for (i = 0; i < CHAR_BIT; i++) { /* Walking zero */
- data = ~(1 << i);
- if (!lpt_port_test(port, data, mask))
- ABORT;
- }
-
- for (i = 0; i < CHAR_BIT; i++) { /* Walking one */
- data = (1 << i);
- if (!lpt_port_test(port, data, mask))
- ABORT;
- }
-
- outb(iobase + lpt_data, 0);
- outb(iobase + lpt_control, 0);
-
- return 1;
-}
-
-void
-lptattach(parent, self, aux)
- struct device *parent, *self;
- void *aux;
-{
- struct lpt_softc *sc = (void *)self;
- struct confargs *ca = aux;
- int iobase = (int)BUS_CVTADDR(ca);
-
- printf("\n");
-
- sc->sc_iobase = iobase;
- sc->sc_state = 0;
- outb(iobase + lpt_control, LPC_NINIT);
-
- BUS_INTR_ESTABLISH(ca, lptintr, sc);
-}
-
-/*
- * Reset the printer, then wait until it's selected and not busy.
- */
-int
-lptopen(dev, flag)
- dev_t dev;
- int flag;
-{
- int unit = LPTUNIT(dev);
- u_char flags = LPTFLAGS(dev);
- struct lpt_softc *sc;
- int iobase;
- u_char control;
- int error;
- int spin;
-
- if (unit >= lpt_cd.cd_ndevs)
- return ENXIO;
- sc = lpt_cd.cd_devs[unit];
- if (!sc)
- return ENXIO;
-
-#ifdef DIAGNOSTIC
- if (sc->sc_state)
- printf("%s: stat=0x%x not zero\n", sc->sc_dev.dv_xname,
- sc->sc_state);
-#endif
-
- if (sc->sc_state)
- return EBUSY;
-
- sc->sc_state = LPT_INIT;
- sc->sc_flags = flags;
- lprintf("%s: open: flags=0x%x\n", sc->sc_dev.dv_xname, flags);
- iobase = sc->sc_iobase;
-
- if ((flags & LPT_NOPRIME) == 0) {
- /* assert INIT for 100 usec to start up printer */
- outb(iobase + lpt_control, LPC_SELECT);
- delay(100);
- }
-
- control = LPC_SELECT | LPC_NINIT;
- outb(iobase + lpt_control, control);
-
- /* wait till ready (printer running diagnostics) */
- for (spin = 0; NOT_READY_ERR(); spin += STEP) {
- if (spin >= TIMEOUT) {
- sc->sc_state = 0;
- return EBUSY;
- }
-
- /* wait 1/4 second, give up if we get a signal */
- if (error = tsleep((caddr_t)sc, LPTPRI | PCATCH, "lptopen",
- STEP) != EWOULDBLOCK) {
- sc->sc_state = 0;
- return error;
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