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[src/trunk]: src/sys/dev/dec/qbus Moved to dz.c,v
details: https://anonhg.NetBSD.org/src/rev/7b79863b1bdd
branches: trunk
changeset: 473278:7b79863b1bdd
user: ragge <ragge%NetBSD.org@localhost>
date: Thu May 27 16:02:33 1999 +0000
description:
Moved to dz.c,v
diffstat:
sys/dev/dec/qbus/dz.c | 719 --------------------------------------------------
1 files changed, 0 insertions(+), 719 deletions(-)
diffs (truncated from 723 to 300 lines):
diff -r 2074645cebdb -r 7b79863b1bdd sys/dev/dec/qbus/dz.c
--- a/sys/dev/dec/qbus/dz.c Thu May 27 16:02:32 1999 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,719 +0,0 @@
-/* $NetBSD: dz.c,v 1.16 1999/05/27 03:45:21 ragge Exp $ */
-/*
- * Copyright (c) 1996 Ken C. Wellsch. All rights reserved.
- * Copyright (c) 1992, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Ralph Campbell and Rick Macklem.
- *
- * 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.
- */
-
-#include "opt_ddb.h"
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/ioctl.h>
-#include <sys/tty.h>
-#include <sys/proc.h>
-#include <sys/map.h>
-#include <sys/buf.h>
-#include <sys/conf.h>
-#include <sys/file.h>
-#include <sys/uio.h>
-#include <sys/kernel.h>
-#include <sys/syslog.h>
-#include <sys/device.h>
-
-#ifdef DDB
-#include <dev/cons.h>
-#endif
-
-#include <machine/bus.h>
-#include <machine/pte.h>
-#include <machine/trap.h>
-#include <machine/cpu.h>
-
-#include <dev/dec/qbus/ubareg.h>
-#include <dev/dec/qbus/ubavar.h>
-
-#include <dev/dec/qbus/dzreg.h>
-#include <dev/dec/qbus/dzvar.h>
-
-#define DZ_READ_BYTE(adr) \
- bus_space_read_1(sc->sc_iot, sc->sc_ioh, sc->sc_dr.adr)
-#define DZ_READ_WORD(adr) \
- bus_space_read_2(sc->sc_iot, sc->sc_ioh, sc->sc_dr.adr)
-#define DZ_WRITE_BYTE(adr, val) \
- bus_space_write_1(sc->sc_iot, sc->sc_ioh, sc->sc_dr.adr, val)
-#define DZ_WRITE_WORD(adr, val) \
- bus_space_write_2(sc->sc_iot, sc->sc_ioh, sc->sc_dr.adr, val)
-
-#include "ioconf.h"
-
-/* A DZ-11 has 8 ports while a DZV/DZQ-11 has only 4. We use 8 by default */
-
-#define NDZLINE 8
-
-#define DZ_C2I(c) ((c)<<3) /* convert controller # to index */
-#define DZ_I2C(c) ((c)>>3) /* convert minor to controller # */
-#define DZ_PORT(u) ((u)&07) /* extract the port # */
-
-/* Flags used to monitor modem bits, make them understood outside driver */
-
-#define DML_DTR TIOCM_DTR
-#define DML_DCD TIOCM_CD
-#define DML_RI TIOCM_RI
-#define DML_BRK 0100000 /* no equivalent, we will mask */
-
-static struct speedtab dzspeedtab[] =
-{
- { 0, 0 },
- { 50, DZ_LPR_B50 },
- { 75, DZ_LPR_B75 },
- { 110, DZ_LPR_B110 },
- { 134, DZ_LPR_B134 },
- { 150, DZ_LPR_B150 },
- { 300, DZ_LPR_B300 },
- { 600, DZ_LPR_B600 },
- { 1200, DZ_LPR_B1200 },
- { 1800, DZ_LPR_B1800 },
- { 2000, DZ_LPR_B2000 },
- { 2400, DZ_LPR_B2400 },
- { 3600, DZ_LPR_B3600 },
- { 4800, DZ_LPR_B4800 },
- { 7200, DZ_LPR_B7200 },
- { 9600, DZ_LPR_B9600 },
- { 19200, DZ_LPR_B19200 },
- { -1, -1 }
-};
-
-static void dzstart __P((struct tty *));
-static int dzparam __P((struct tty *, struct termios *));
-static unsigned dzmctl __P((struct dz_softc *, int, int, int));
-static void dzscan __P((void *));
-cdev_decl(dz);
-
-/*
- * The DZ series doesn't interrupt on carrier transitions,
- * so we have to use a timer to watch it.
- */
-int dz_timer = 0; /* true if timer started */
-
-#define DZ_DZ 8 /* Unibus DZ-11 board linecount */
-#define DZ_DZV 4 /* Q-bus DZV-11 or DZQ-11 */
-
-void
-dzattach(sc)
- struct dz_softc *sc;
-{
- register int n;
-
- sc->sc_rxint = sc->sc_brk = 0;
-
- sc->sc_dr.dr_tcrw = sc->sc_dr.dr_tcr;
- DZ_WRITE_WORD(dr_csr, DZ_CSR_MSE | DZ_CSR_RXIE | DZ_CSR_TXIE);
- DZ_WRITE_BYTE(dr_dtr, 0);
- DZ_WRITE_BYTE(dr_break, 0);
-
- /* Initialize our softc structure. Should be done in open? */
-
- for (n = 0; n < sc->sc_type; n++)
- sc->sc_dz[n].dz_tty = ttymalloc();
-
- /* Alas no interrupt on modem bit changes, so we manually scan */
-
- if (dz_timer == 0) {
- dz_timer = 1;
- timeout(dzscan, (void *)0, hz);
- }
- printf("\n");
- return;
-}
-
-/* Receiver Interrupt */
-
-void
-dzrint(cntlr)
- int cntlr;
-{
- struct dz_softc *sc = dz_cd.cd_devs[cntlr];
- register struct tty *tp;
- register int cc, line;
- register unsigned c;
- int overrun = 0;
-
- sc->sc_rxint++;
-
- while ((c = DZ_READ_WORD(dr_rbuf)) & DZ_RBUF_DATA_VALID) {
- cc = c & 0xFF;
- line = DZ_PORT(c>>8);
- tp = sc->sc_dz[line].dz_tty;
-
- /* Must be caught early */
- if (sc->sc_catch && (*sc->sc_catch)(line, cc))
- continue;
-
- if (!(tp->t_state & TS_ISOPEN)) {
- wakeup((caddr_t)&tp->t_rawq);
- continue;
- }
-
- if ((c & DZ_RBUF_OVERRUN_ERR) && overrun == 0) {
- log(LOG_WARNING, "%s: silo overflow, line %d\n",
- sc->sc_dev.dv_xname, line);
- overrun = 1;
- }
-
- /* A BREAK key will appear as a NULL with a framing error */
- if (c & DZ_RBUF_FRAMING_ERR)
- cc |= TTY_FE;
- if (c & DZ_RBUF_PARITY_ERR)
- cc |= TTY_PE;
-
-#if defined(DDB) && (defined(VAX410) || defined(VAX43) || defined(VAX46))
- if (tp->t_dev == cn_tab->cn_dev) {
- int j = kdbrint(cc);
-
- if (j == 1) /* Escape received, just return */
- continue;
-
- if (j == 2) /* Second char wasn't 'D' */
- (*linesw[tp->t_line].l_rint)(27, tp);
- }
-#endif
- (*linesw[tp->t_line].l_rint)(cc, tp);
- }
-}
-
-/* Transmitter Interrupt */
-
-void
-dzxint(cntlr)
- int cntlr;
-{
- register struct dz_softc *sc = dz_cd.cd_devs[cntlr];
- register struct tty *tp;
- register struct clist *cl;
- register int line, ch, csr;
- u_char tcr;
-
- /*
- * Switch to POLLED mode.
- * Some simple measurements indicated that even on
- * one port, by freeing the scanner in the controller
- * by either providing a character or turning off
- * the port when output is complete, the transmitter
- * was ready to accept more output when polled again.
- * With just two ports running the game "worms,"
- * almost every interrupt serviced both transmitters!
- * Each UART is double buffered, so if the scanner
- * is quick enough and timing works out, we can even
- * feed the same port twice.
- *
- * Ragge 980517:
- * Do not need to turn off interrupts, already at interrupt level.
- * Remove the pdma stuff; no great need of it right now.
- */
-
- while (((csr = DZ_READ_WORD(dr_csr)) & DZ_CSR_TX_READY) != 0) {
-
- line = DZ_PORT(csr>>8);
-
- tp = sc->sc_dz[line].dz_tty;
- cl = &tp->t_outq;
- tp->t_state &= ~TS_BUSY;
-
- /* Just send out a char if we have one */
- /* As long as we can fill the chip buffer, we just loop here */
- if (cl->c_cc) {
- tp->t_state |= TS_BUSY;
- ch = getc(cl);
- DZ_WRITE_BYTE(dr_tbuf, ch);
- continue;
- }
- /* Nothing to send; clear the scan bit */
- /* Clear xmit scanner bit; dzstart may set it again */
- tcr = DZ_READ_WORD(dr_tcrw);
- tcr &= 255;
- tcr &= ~(1 << line);
- DZ_WRITE_BYTE(dr_tcr, tcr);
-
- if (tp->t_state & TS_FLUSH)
- tp->t_state &= ~TS_FLUSH;
- else
- ndflush (&tp->t_outq, cl->c_cc);
-
- if (tp->t_line)
- (*linesw[tp->t_line].l_start)(tp);
- else
- dzstart(tp);
- }
-}
-
-int
-dzopen(dev, flag, mode, p)
- dev_t dev;
- int flag, mode;
- struct proc *p;
-{
- register struct tty *tp;
- register int unit, line;
- struct dz_softc *sc;
- int s, error = 0;
-
- unit = DZ_I2C(minor(dev));
- line = DZ_PORT(minor(dev));
- if (unit >= dz_cd.cd_ndevs || dz_cd.cd_devs[unit] == NULL)
- return (ENXIO);
-
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