63b14eb5b6
DCA is tested on HP362 and HP382 with serial console, but APCI on HP4xx is not tested yet.
208 lines
6.7 KiB
C
208 lines
6.7 KiB
C
/* $NetBSD: com_dio.c,v 1.1 2003/11/08 11:18:33 tsutsui 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. 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
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__KERNEL_RCSID(0, "$NetBSD: com_dio.c,v 1.1 2003/11/08 11:18:33 tsutsui Exp $");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/device.h>
|
|
#include <sys/termios.h>
|
|
#include <sys/ttydefaults.h>
|
|
|
|
#include <machine/bus.h>
|
|
|
|
#include <dev/ic/comreg.h>
|
|
#include <dev/ic/comvar.h>
|
|
|
|
#include <hp300/dev/diovar.h>
|
|
#include <hp300/dev/diodevs.h>
|
|
#include <hp300/dev/com_dioreg.h>
|
|
#include <hp300/dev/com_diovar.h>
|
|
|
|
struct com_dio_softc {
|
|
struct com_softc sc_com; /* real "com" softc */
|
|
|
|
/* DIO-specific goo. */
|
|
struct bus_space_tag sc_tag; /* device specific bus space tag */
|
|
void *sc_ih; /* interrupt handler */
|
|
};
|
|
|
|
int com_dio_match(struct device *, struct cfdata *, void *);
|
|
void com_dio_attach(struct device *, struct device *, void *);
|
|
|
|
CFATTACH_DECL(com_dio, sizeof(struct com_dio_softc),
|
|
com_dio_match, com_dio_attach, NULL, NULL);
|
|
|
|
static int com_dio_speed = TTYDEF_SPEED;
|
|
static struct bus_space_tag comcntag;
|
|
|
|
#define CONMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */
|
|
|
|
int
|
|
com_dio_match(struct device *parent, struct cfdata *match, void *aux)
|
|
{
|
|
struct dio_attach_args *da = aux;
|
|
|
|
switch (da->da_id) {
|
|
case DIO_DEVICE_ID_DCA0:
|
|
case DIO_DEVICE_ID_DCA0REM:
|
|
case DIO_DEVICE_ID_DCA1:
|
|
case DIO_DEVICE_ID_DCA1REM:
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
com_dio_attach(struct device *parent, struct device *self, void *aux)
|
|
{
|
|
struct com_dio_softc *dsc = (void *)self;
|
|
struct com_softc *sc = &dsc->sc_com;
|
|
bus_space_tag_t iot;
|
|
bus_space_handle_t iohdca, iohcom;
|
|
struct dio_attach_args *da = aux;
|
|
int isconsole;
|
|
|
|
isconsole = com_is_console(&comcntag, da->da_addr + DCA_COM_OFFSET,
|
|
&iohcom);
|
|
|
|
if (isconsole) {
|
|
iot = &comcntag;
|
|
bus_space_unmap(iot, iohcom, COM_NPORTS);
|
|
} else {
|
|
iot = &dsc->sc_tag;
|
|
memcpy(iot, da->da_bst, sizeof(struct bus_space_tag));
|
|
dio_set_bus_space_oddbyte(iot);
|
|
}
|
|
|
|
if (bus_space_map(iot, da->da_addr, DCA_SIZE, 0, &iohdca) ||
|
|
bus_space_subregion(iot, iohdca, DCA_COM_OFFSET,
|
|
COM_NPORTS << 1, &iohcom)) {
|
|
printf(": can't map i/o space\n");
|
|
return;
|
|
}
|
|
|
|
if (!isconsole) {
|
|
bus_space_write_1(iot, iohdca, DCA_RESET, 0xff);
|
|
DELAY(1000);
|
|
}
|
|
|
|
sc->sc_iot = iot;
|
|
sc->sc_ioh = iohcom;
|
|
sc->sc_iobase = da->da_addr + DCA_COM_OFFSET;
|
|
sc->sc_frequency = COM_DIO_FREQ;
|
|
|
|
com_attach_subr(sc);
|
|
|
|
dsc->sc_ih = dio_intr_establish(comintr, sc, da->da_ipl,
|
|
((sc->sc_hwflags & COM_HW_FIFO) != 0) ? IPL_TTY : IPL_TTYNOBUF);
|
|
|
|
/* Enable interrupts. */
|
|
bus_space_write_1(iot, iohdca, DCA_IC, IC_IE);
|
|
}
|
|
|
|
int
|
|
com_dio_cnattach(bus_space_tag_t bst, bus_addr_t addr, int scode)
|
|
{
|
|
bus_space_tag_t iot = &comcntag;
|
|
bus_space_handle_t iohdca;
|
|
u_int8_t id;
|
|
|
|
memcpy(iot, bst, sizeof(struct bus_space_tag));
|
|
dio_set_bus_space_oddbyte(iot);
|
|
|
|
if (bus_space_map(iot, addr, DCA_SIZE, 0, &iohdca))
|
|
return 1;
|
|
bus_space_write_1(iot, iohdca, DCA_RESET, 0xff);
|
|
DELAY(100);
|
|
bus_space_write_1(iot, iohdca, DCA_IC, IC_IE);
|
|
|
|
id = bus_space_read_1(iot, iohdca, DCA_ID);
|
|
bus_space_unmap(iot, iohdca, DCA_SIZE);
|
|
|
|
switch (id) {
|
|
#ifdef CONSCODE
|
|
case DCAID0:
|
|
case DCAID1:
|
|
#endif
|
|
case DCAREMID0:
|
|
case DCAREMID1:
|
|
break;
|
|
default:
|
|
return 1;
|
|
}
|
|
|
|
comcnattach(iot, addr + DCA_COM_OFFSET, com_dio_speed, COM_DIO_FREQ,
|
|
COM_TYPE_NORMAL, CONMODE);
|
|
|
|
return 0;
|
|
}
|