NetBSD/sys/dev/pcmcia/com_pcmcia.c

299 lines
8.7 KiB
C

/* $NetBSD: com_pcmcia.c,v 1.49 2004/08/11 04:25:28 mycroft Exp $ */
/*-
* Copyright (c) 1998, 2004 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_pcmcia.c,v 1.49 2004/08/11 04:25:28 mycroft Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/ioctl.h>
#include <sys/select.h>
#include <sys/tty.h>
#include <sys/proc.h>
#include <sys/user.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>
#include <machine/intr.h>
#include <machine/bus.h>
#include <dev/pcmcia/pcmciavar.h>
#include <dev/pcmcia/pcmciareg.h>
#include <dev/pcmcia/pcmciadevs.h>
#include <dev/ic/comreg.h>
#include <dev/ic/comvar.h>
#include <dev/isa/isareg.h>
int com_pcmcia_match __P((struct device *, struct cfdata *, void *));
int com_pcmcia_validate_config __P((struct pcmcia_config_entry *));
void com_pcmcia_attach __P((struct device *, struct device *, void *));
int com_pcmcia_detach __P((struct device *, int));
void com_pcmcia_cleanup __P((void *));
int com_pcmcia_enable __P((struct com_softc *));
void com_pcmcia_disable __P((struct com_softc *));
struct com_pcmcia_softc {
struct com_softc sc_com; /* real "com" softc */
/* PCMCIA-specific goo */
struct pcmcia_function *sc_pf; /* our PCMCIA function */
void *sc_ih; /* interrupt handler */
int sc_attached;
};
CFATTACH_DECL(com_pcmcia, sizeof(struct com_pcmcia_softc),
com_pcmcia_match, com_pcmcia_attach, com_pcmcia_detach, com_activate);
static const struct pcmcia_product com_pcmcia_products[] = {
{ PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
PCMCIA_CIS_MEGAHERTZ_XJ2288 },
};
static const size_t com_pcmcia_nproducts =
sizeof(com_pcmcia_products) / sizeof(com_pcmcia_products[0]);
int
com_pcmcia_match(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
int comportmask;
struct pcmcia_attach_args *pa = aux;
struct pcmcia_config_entry *cfe;
/* 1. Does it claim to be a serial device? */
if (pa->pf->function == PCMCIA_FUNCTION_SERIAL)
return 1;
/* 2. Does it have all four 'standard' port ranges? */
comportmask = 0;
SIMPLEQ_FOREACH(cfe, &pa->pf->cfe_head, cfe_list) {
switch (cfe->iospace[0].start) {
case IO_COM1:
comportmask |= 1;
break;
case IO_COM2:
comportmask |= 2;
break;
case IO_COM3:
comportmask |= 4;
break;
case IO_COM4:
comportmask |= 8;
break;
}
}
if (comportmask == 15)
return 1;
/* 3. Is this a card we know about? */
if (pcmcia_product_lookup(pa, com_pcmcia_products, com_pcmcia_nproducts,
sizeof(com_pcmcia_products[0]), NULL))
return 1;
return 0;
}
int
com_pcmcia_validate_config(cfe)
struct pcmcia_config_entry *cfe;
{
if (cfe->iftype != PCMCIA_IFTYPE_IO ||
cfe->num_iospace != 1)
return (EINVAL);
/* Some cards have a memory space, but we don't use it. */
cfe->num_memspace = 0;
return (0);
}
void
com_pcmcia_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct com_pcmcia_softc *psc = (void *) self;
struct com_softc *sc = &psc->sc_com;
struct pcmcia_attach_args *pa = aux;
struct pcmcia_config_entry *cfe;
int error;
psc->sc_pf = pa->pf;
error = pcmcia_function_configure(pa->pf, com_pcmcia_validate_config);
if (error) {
aprint_error("%s: configure failed, error=%d\n", self->dv_xname,
error);
return;
}
cfe = pa->pf->cfe;
sc->sc_iot = cfe->iospace[0].handle.iot;
sc->sc_ioh = cfe->iospace[0].handle.ioh;
error = com_pcmcia_enable(sc);
if (error)
goto fail;
sc->enabled = 1;
sc->sc_iobase = -1;
sc->sc_frequency = COM_FREQ;
sc->enable = com_pcmcia_enable;
sc->disable = com_pcmcia_disable;
aprint_normal("%s", self->dv_xname);
com_attach_subr(sc);
sc->enabled = 0;
psc->sc_attached = 1;
com_pcmcia_disable(sc);
return;
fail:
pcmcia_function_unconfigure(pa->pf);
}
int
com_pcmcia_detach(self, flags)
struct device *self;
int flags;
{
struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *) self;
int error;
if (!psc->sc_attached)
return (0);
if ((error = com_detach(self, flags)) != 0)
return error;
pcmcia_function_unconfigure(psc->sc_pf);
return (0);
}
int
com_pcmcia_enable(sc)
struct com_softc *sc;
{
struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *) sc;
struct pcmcia_function *pf = psc->sc_pf;
int error;
/* establish the interrupt. */
psc->sc_ih = pcmcia_intr_establish(pf, IPL_SERIAL, comintr, sc);
if (psc->sc_ih == NULL) {
printf("%s: couldn't establish interrupt\n",
sc->sc_dev.dv_xname);
return (1);
}
if ((error = pcmcia_function_enable(pf)) != 0) {
pcmcia_intr_disestablish(pf, psc->sc_ih);
psc->sc_ih = 0;
return (error);
}
if ((psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3C562) ||
(psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556) ||
(psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556INT)) {
int reg;
/* turn off the ethernet-disable bit */
reg = pcmcia_ccr_read(pf, PCMCIA_CCR_OPTION);
if (reg & 0x08) {
reg &= ~0x08;
pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg);
}
}
return (0);
}
void
com_pcmcia_disable(sc)
struct com_softc *sc;
{
struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *) sc;
pcmcia_function_disable(psc->sc_pf);
pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
psc->sc_ih = 0;
}