353 lines
8.3 KiB
C
353 lines
8.3 KiB
C
/* $NetBSD: dz_vsbus.c,v 1.19 2001/02/25 14:56:47 mrg Exp $ */
|
|
/*
|
|
* Copyright (c) 1998 Ludd, University of Lule}, Sweden.
|
|
* 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 at Ludd, University of
|
|
* Lule}, Sweden and its contributors.
|
|
* 4. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 <sys/param.h>
|
|
#include <sys/proc.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/tty.h>
|
|
#include <sys/file.h>
|
|
#include <sys/conf.h>
|
|
#include <sys/device.h>
|
|
#include <sys/reboot.h>
|
|
|
|
#include <dev/cons.h>
|
|
|
|
#include <machine/mtpr.h>
|
|
#include <machine/sid.h>
|
|
#include <machine/uvax.h>
|
|
#include <machine/vsbus.h>
|
|
#include <machine/cpu.h>
|
|
#include <machine/scb.h>
|
|
|
|
#include <arch/vax/vax/gencons.h>
|
|
|
|
#include <dev/qbus/dzreg.h>
|
|
#include <dev/qbus/dzvar.h>
|
|
|
|
#include "ioconf.h"
|
|
#include "dzkbd.h"
|
|
#include "dzms.h"
|
|
#include "opt_cputype.h"
|
|
|
|
#if NDZKBD > 0 || NDZMS > 0
|
|
#include <dev/dec/dzkbdvar.h>
|
|
|
|
#if 0
|
|
static struct dz_linestate dz_conslinestate = { NULL, -1, NULL, NULL, NULL };
|
|
#endif
|
|
#endif
|
|
|
|
static int dz_vsbus_match(struct device *, struct cfdata *, void *);
|
|
static void dz_vsbus_attach(struct device *, struct device *, void *);
|
|
|
|
static vaddr_t dz_regs; /* Used for console */
|
|
|
|
struct cfattach dz_vsbus_ca = {
|
|
sizeof(struct dz_softc), dz_vsbus_match, dz_vsbus_attach
|
|
};
|
|
|
|
#define REG(name) short name; short X##name##X;
|
|
static volatile struct ss_dz {/* base address of DZ-controller: 0x200A0000 */
|
|
REG(csr); /* 00 Csr: control/status register */
|
|
REG(rbuf); /* 04 Rbuf/Lpr: receive buffer/line param reg. */
|
|
REG(tcr); /* 08 Tcr: transmit console register */
|
|
REG(tdr); /* 0C Msr/Tdr: modem status reg/transmit data reg */
|
|
REG(lpr0); /* 10 Lpr0: */
|
|
REG(lpr1); /* 14 Lpr0: */
|
|
REG(lpr2); /* 18 Lpr0: */
|
|
REG(lpr3); /* 1C Lpr0: */
|
|
} *dz;
|
|
#undef REG
|
|
|
|
cons_decl(dz);
|
|
cdev_decl(dz);
|
|
|
|
#if NDZKBD > 0 || NDZMS > 0
|
|
static int
|
|
dz_print(void *aux, const char *name)
|
|
{
|
|
#if 0
|
|
#if NDZKBD > 0 || NDZMS > 0
|
|
struct dz_attach_args *dz_args = aux;
|
|
if (name == NULL) {
|
|
printf (" line %d", dz_args->line);
|
|
if (dz_args->hwflags & DZ_HWFLAG_CONSOLE)
|
|
printf (" (console)");
|
|
}
|
|
return (QUIET);
|
|
#else
|
|
if (name)
|
|
printf ("lkc at %s", name);
|
|
return (UNCONF);
|
|
#endif
|
|
#endif
|
|
return (UNCONF);
|
|
}
|
|
#endif
|
|
|
|
static int
|
|
dz_vsbus_match(struct device *parent, struct cfdata *cf, void *aux)
|
|
{
|
|
struct vsbus_attach_args *va = aux;
|
|
struct ss_dz *dzP;
|
|
short i;
|
|
|
|
#if VAX53
|
|
if (vax_boardtype == VAX_BTYP_53)
|
|
if (cf->cf_loc[0] != 0x25000000)
|
|
return 0; /* Ugly */
|
|
#endif
|
|
|
|
dzP = (struct ss_dz *)va->va_addr;
|
|
i = dzP->tcr;
|
|
dzP->csr = DZ_CSR_MSE|DZ_CSR_TXIE;
|
|
dzP->tcr = 0;
|
|
DELAY(1000);
|
|
dzP->tcr = 1;
|
|
DELAY(100000);
|
|
dzP->tcr = i;
|
|
|
|
/* If the device doesn't exist, no interrupt has been generated */
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
dz_vsbus_attach(struct device *parent, struct device *self, void *aux)
|
|
{
|
|
struct dz_softc *sc = (void *)self;
|
|
struct vsbus_attach_args *va = aux;
|
|
#if NDZKBD > 0 || NDZMS > 0
|
|
struct dzkm_attach_args daa;
|
|
#endif
|
|
int s;
|
|
|
|
/*
|
|
* XXX - This is evil and ugly, but...
|
|
* due to the nature of how bus_space_* works on VAX, this will
|
|
* be perfectly good until everything is converted.
|
|
*/
|
|
if (dz_regs == 0) /* This isn't console */
|
|
dz_regs = vax_map_physmem(va->va_paddr, 1);
|
|
sc->sc_ioh = dz_regs;
|
|
sc->sc_dr.dr_csr = 0;
|
|
sc->sc_dr.dr_rbuf = 4;
|
|
sc->sc_dr.dr_dtr = 9;
|
|
sc->sc_dr.dr_break = 13;
|
|
sc->sc_dr.dr_tbuf = 12;
|
|
sc->sc_dr.dr_tcr = 8;
|
|
sc->sc_dr.dr_dcd = 13;
|
|
sc->sc_dr.dr_ring = 13;
|
|
|
|
sc->sc_type = DZ_DZV;
|
|
|
|
sc->sc_dsr = 0x0f; /* XXX check if VS has modem ctrl bits */
|
|
|
|
scb_vecalloc(va->va_cvec, dzxint, sc, SCB_ISTACK, &sc->sc_tintrcnt);
|
|
scb_vecalloc(va->va_cvec - 4, dzrint, sc, SCB_ISTACK, &sc->sc_rintrcnt);
|
|
|
|
printf("\n%s: 4 lines", self->dv_xname);
|
|
|
|
dzattach(sc, NULL);
|
|
DELAY(10000);
|
|
|
|
#if NDZKBD > 0
|
|
/* Don't change speed if this is the console */
|
|
if (cn_tab->cn_dev != makedev(getmajor(dzopen), 0))
|
|
dz->rbuf = DZ_LPR_RX_ENABLE | (DZ_LPR_B4800 << 8)
|
|
| DZ_LPR_8_BIT_CHAR;
|
|
daa.daa_line = 0;
|
|
daa.daa_flags = (cn_tab->cn_pri == CN_INTERNAL ? DZKBD_CONSOLE : 0);
|
|
config_found(self, &daa, dz_print);
|
|
#endif
|
|
#if NDZMS > 0
|
|
dz->rbuf = DZ_LPR_RX_ENABLE | (DZ_LPR_B4800 << 8) | DZ_LPR_7_BIT_CHAR \
|
|
| DZ_LPR_PARENB | DZ_LPR_OPAR | 1 /* line */;
|
|
daa.daa_line = 1;
|
|
daa.daa_flags = 0;
|
|
config_found(self, &daa, dz_print);
|
|
#endif
|
|
s = spltty();
|
|
dzrint(sc);
|
|
dzxint(sc);
|
|
splx(s);
|
|
}
|
|
|
|
int
|
|
dzcngetc(dev_t dev)
|
|
{
|
|
int c = 0;
|
|
int mino = minor(dev);
|
|
u_short rbuf;
|
|
|
|
do {
|
|
while ((dz->csr & 0x80) == 0)
|
|
; /* Wait for char */
|
|
rbuf = dz->rbuf;
|
|
if (((rbuf >> 8) & 3) != mino)
|
|
continue;
|
|
c = rbuf & 0x7f;
|
|
} while (c == 17 || c == 19); /* ignore XON/XOFF */
|
|
|
|
if (c == 13)
|
|
c = 10;
|
|
|
|
return (c);
|
|
}
|
|
|
|
void
|
|
dzcnprobe(struct consdev *cndev)
|
|
{
|
|
extern vaddr_t iospace;
|
|
int diagcons;
|
|
paddr_t ioaddr = 0x200A0000;
|
|
|
|
switch (vax_boardtype) {
|
|
case VAX_BTYP_410:
|
|
case VAX_BTYP_420:
|
|
case VAX_BTYP_43:
|
|
diagcons = (vax_confdata & 0x20 ? 3 : 0);
|
|
break;
|
|
|
|
case VAX_BTYP_46:
|
|
case VAX_BTYP_48:
|
|
diagcons = (vax_confdata & 0x100 ? 3 : 0);
|
|
break;
|
|
|
|
case VAX_BTYP_49:
|
|
case VAX_BTYP_53:
|
|
ioaddr = 0x25000000;
|
|
diagcons = 3;
|
|
break;
|
|
|
|
default:
|
|
cndev->cn_pri = CN_DEAD;
|
|
return;
|
|
}
|
|
if (diagcons)
|
|
cndev->cn_pri = CN_REMOTE;
|
|
else
|
|
cndev->cn_pri = CN_NORMAL;
|
|
cndev->cn_dev = makedev(getmajor(dzopen), diagcons);
|
|
(vaddr_t)dz = dz_regs = iospace;
|
|
ioaccess(iospace, ioaddr, 1);
|
|
}
|
|
|
|
void
|
|
dzcninit(struct consdev *cndev)
|
|
{
|
|
dz = (void*)dz_regs;
|
|
|
|
dz->csr = 0; /* Disable scanning until initting is done */
|
|
dz->tcr = (1 << minor(cndev->cn_dev)); /* Turn on xmitter */
|
|
dz->csr = 0x20; /* Turn scanning back on */
|
|
}
|
|
|
|
|
|
void
|
|
dzcnputc(dev_t dev, int ch)
|
|
{
|
|
int timeout = 1<<15; /* don't hang the machine! */
|
|
int mino = minor(dev);
|
|
u_short tcr;
|
|
|
|
if (mfpr(PR_MAPEN) == 0)
|
|
return;
|
|
|
|
tcr = dz->tcr; /* remember which lines to scan */
|
|
dz->tcr = (1 << mino);
|
|
|
|
while ((dz->csr & 0x8000) == 0) /* Wait until ready */
|
|
if (--timeout < 0)
|
|
break;
|
|
dz->tdr = ch; /* Put the character */
|
|
timeout = 1<<15;
|
|
while ((dz->csr & 0x8000) == 0) /* Wait until ready */
|
|
if (--timeout < 0)
|
|
break;
|
|
|
|
dz->tcr = tcr;
|
|
}
|
|
|
|
void
|
|
dzcnpollc(dev_t dev, int pollflag)
|
|
{
|
|
static u_char mask;
|
|
|
|
if (pollflag)
|
|
mask = vsbus_setmask(0);
|
|
else
|
|
vsbus_setmask(mask);
|
|
}
|
|
|
|
#if NDZKBD > 0 || NDZMS > 0
|
|
int
|
|
dzgetc(struct dz_linestate *ls)
|
|
{
|
|
int line = ls->dz_line;
|
|
u_short rbuf;
|
|
|
|
for (;;) {
|
|
for(; (dz->csr & DZ_CSR_RX_DONE) == 0;);
|
|
rbuf = dz->rbuf;
|
|
if (((rbuf >> 8) & 3) == line)
|
|
return (rbuf & 0xff);
|
|
}
|
|
}
|
|
|
|
void
|
|
dzputc(struct dz_linestate *ls, int ch)
|
|
{
|
|
int line = 0; /* = ls->dz_line; */
|
|
u_short tcr;
|
|
int s;
|
|
|
|
/* if the dz has already been attached, the MI
|
|
driver will do the transmitting: */
|
|
if (ls && ls->dz_sc) {
|
|
s = spltty();
|
|
putc(ch, &ls->dz_sc->sc_dz[line].dz_tty->t_outq);
|
|
tcr = dz->tcr;
|
|
if (!(tcr & (1 << line)))
|
|
dz->tcr = tcr | (1 << line);
|
|
dzxint(ls->dz_sc);
|
|
splx(s);
|
|
return;
|
|
}
|
|
|
|
/* use dzcnputc to do the transmitting: */
|
|
dzcnputc(makedev(getmajor(dzopen), line), ch);
|
|
}
|
|
#endif /* NDZKBD > 0 || NDZMS > 0 */
|