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/* $OpenBSD: dz_ibus.c,v 1.28 2010/09/20 06:33:48 matthew Exp $ */
/* $NetBSD: dz_ibus.c,v 1.15 1999/08/27 17:50:42 ragge 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/systm.h>
#include <sys/device.h>
#include <machine/sid.h>
#include <machine/vsbus.h>
#include <machine/cpu.h>
#include <machine/scb.h>
#include <vax/qbus/dzreg.h>
#include <vax/qbus/dzvar.h>
#include <vax/dec/dzkbdvar.h>
#include <dev/cons.h>
#include "dzkbd.h"
#include "dzms.h"
int dz_vsbus_match(struct device *, struct cfdata *, void *);
void dz_vsbus_attach(struct device *, struct device *, void *);
struct cfattach dz_vsbus_ca = {
sizeof(struct dz_softc), (cfmatch_t)dz_vsbus_match, dz_vsbus_attach
};
#define DZ_VSBUS_CSR 0
#define DZ_VSBUS_RBUF 4
#define DZ_VSBUS_DTR 9
#define DZ_VSBUS_BREAK 13
#define DZ_VSBUS_TBUF 12
#define DZ_VSBUS_TCR 8
#define DZ_VSBUS_DCD 13
#define DZ_VSBUS_RING 13
int
dz_vsbus_match(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
{
struct vsbus_attach_args *va = aux;
volatile uint16_t *dzP;
short i;
#if VAX53 || VAX49
if (vax_boardtype == VAX_BTYP_49 ||
vax_boardtype == VAX_BTYP_1303)
if (cf->cf_loc[0] != 0x25000000)
return 0; /* don't probe unnecessarily */
#endif
dzP = (volatile uint16_t *)va->va_addr;
i = dzP[DZ_VSBUS_TCR / 2];
dzP[DZ_VSBUS_CSR / 2] = DZ_CSR_MSE|DZ_CSR_TXIE;
dzP[DZ_VSBUS_TCR / 2] = 0;
DELAY(1000);
dzP[DZ_VSBUS_TCR / 2] = 1;
DELAY(100000);
dzP[DZ_VSBUS_TCR / 2] = i;
/* If the device doesn't exist, no interrupt has been generated */
return 1;
}
void
dz_vsbus_attach(parent, self, aux)
struct device *parent, *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
extern vaddr_t dz_console_regs;
vaddr_t dz_regs;
printf(": ");
/*
* This assumes that systems where dz@vsbus exist and can be
* the console device, can only have one instance of dz@vsbus.
* So far, so good.
*/
if (dz_console_regs != 0) {
dz_regs = dz_console_regs;
printf("console, ");
} else
dz_regs = vax_map_physmem(va->va_paddr, 1);
/*
* 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.
*/
sc->sc_ioh = dz_regs;
sc->sc_dr.dr_csr = DZ_VSBUS_CSR;
sc->sc_dr.dr_rbuf = DZ_VSBUS_RBUF;
sc->sc_dr.dr_dtr = DZ_VSBUS_DTR;
sc->sc_dr.dr_break = DZ_VSBUS_BREAK;
sc->sc_dr.dr_tbuf = DZ_VSBUS_TBUF;
sc->sc_dr.dr_tcr = DZ_VSBUS_TCR;
sc->sc_dr.dr_dcd = DZ_VSBUS_DCD;
sc->sc_dr.dr_ring = DZ_VSBUS_RING;
sc->sc_type = DZ_DZV;
/* no modem control bits except on line 2 */
sc->sc_dsr = (1 << 0) | (1 << 1) | (1 << 3);
sc->sc_rcvec = va->va_cvec;
scb_vecalloc(sc->sc_rcvec, dzxint, sc, SCB_ISTACK, &sc->sc_tintrcnt);
sc->sc_tcvec = va->va_cvec - 4;
scb_vecalloc(sc->sc_tcvec, dzrint, sc, SCB_ISTACK, &sc->sc_rintrcnt);
evcount_attach(&sc->sc_rintrcnt, sc->sc_dev.dv_xname, &sc->sc_rcvec);
evcount_attach(&sc->sc_tintrcnt, sc->sc_dev.dv_xname, &sc->sc_tcvec);
printf("4 lines");
dzattach(sc);
if (dz_can_have_kbd()) {
#if NDZKBD > 0
extern struct consdev wsdisplay_cons;
daa.daa_line = 0;
DZ_WRITE_WORD(sc, dr_rbuf, DZ_LPR_RX_ENABLE |
(DZ_LPR_B4800 << 8) | DZ_LPR_8_BIT_CHAR | daa.daa_line);
daa.daa_flags =
(cn_tab == &wsdisplay_cons ? DZKBD_CONSOLE : 0);
config_found(self, &daa, dz_print);
#endif
#if NDZMS > 0
daa.daa_line = 1;
DZ_WRITE_WORD(sc, dr_rbuf, DZ_LPR_RX_ENABLE |
(DZ_LPR_B4800 << 8) | DZ_LPR_8_BIT_CHAR | DZ_LPR_PARENB |
DZ_LPR_OPAR | daa.daa_line);
daa.daa_flags = 0;
config_found(self, &daa, dz_print);
#endif
}
#if 0
s = spltty();
dzrint(sc);
dzxint(sc);
splx(s);
#endif
}
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