/* $OpenBSD: com_pcmcia.c,v 1.46 2006/05/28 16:49:46 fkr Exp $ */
/* $NetBSD: com_pcmcia.c,v 1.15 1998/08/22 17:47:58 msaitoh Exp $ */
/*
* Copyright (c) 1997 - 1999, Jason Downs. 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(s) of the author(s) nor the name OpenBSD
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``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(S) 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) 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/param.h>
#include <sys/systm.h>
#include <sys/ioctl.h>
#include <sys/selinfo.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/types.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 "com.h"
#ifdef i386
#include "pccom.h"
#endif
#include <dev/ic/comreg.h>
#if NPCCOM > 0
#include <i386/isa/pccomvar.h>
#endif
#if NCOM > 0
#include <dev/ic/comvar.h>
#endif
#include <dev/ic/ns16550reg.h>
#include <dev/isa/isareg.h>
#define com_lcr com_cfcr
/* Devices that we need to match by CIS strings */
struct com_pcmcia_product {
char *cis1_info[4];
} com_pcmcia_prod[] = {
{ PCMCIA_CIS_MEGAHERTZ_XJ2288 },
{ PCMCIA_CIS_NOVATEL_NRM6831 },
};
int com_pcmcia_match(struct device *, void *, void *);
void com_pcmcia_attach(struct device *, struct device *, void *);
int com_pcmcia_detach(struct device *, int);
void com_pcmcia_cleanup(void *);
int com_pcmcia_activate(struct device *, enum devact);
int com_pcmcia_enable(struct com_softc *);
void com_pcmcia_disable(struct com_softc *);
int com_pcmcia_enable1(struct com_softc *);
void com_pcmcia_disable1(struct com_softc *);
struct com_pcmcia_softc {
struct com_softc sc_com; /* real "com" softc */
/* PCMCIA-specific goo */
struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */
int sc_io_window; /* our i/o window */
struct pcmcia_function *sc_pf; /* our PCMCIA function */
void *sc_ih; /* interrupt handler */
};
#if NCOM
struct cfattach com_pcmcia_ca = {
sizeof(struct com_pcmcia_softc), com_pcmcia_match, com_pcmcia_attach,
com_pcmcia_detach, com_pcmcia_activate
};
#elif NPCCOM
struct cfattach pccom_pcmcia_ca = {
sizeof(struct com_pcmcia_softc), com_pcmcia_match, com_pcmcia_attach,
com_pcmcia_detach, com_pcmcia_activate
};
#endif
int
com_pcmcia_match(parent, match, aux)
struct device *parent;
void *match, *aux;
{
struct pcmcia_attach_args *pa = aux;
struct pcmcia_config_entry *cfe;
int i, j, comportmask;
/* 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? */
for (i = 0; i < sizeof(com_pcmcia_prod)/sizeof(com_pcmcia_prod[0]);
i++) {
for (j = 0; j < 4; j++)
if (com_pcmcia_prod[i].cis1_info[j] &&
pa->card->cis1_info[j] &&
strcmp(pa->card->cis1_info[j],
com_pcmcia_prod[i].cis1_info[j]))
break;
if (j == 4)
return 1;
}
return 0;
}
int
com_pcmcia_activate(dev, act)
struct device *dev;
enum devact act;
{
struct com_pcmcia_softc *sc = (void *) dev;
int s;
s = spltty();
switch (act) {
case DVACT_ACTIVATE:
pcmcia_function_enable(sc->sc_pf);
sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_TTY,
comintr, sc, sc->sc_com.sc_dev.dv_xname);
break;
case DVACT_DEACTIVATE:
pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
pcmcia_function_disable(sc->sc_pf);
break;
}
splx(s);
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;
const char *intrstr;
int autoalloc = 0;
psc->sc_pf = pa->pf;
retry:
/* find a cfe we can use */
for (cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head); cfe;
cfe = SIMPLEQ_NEXT(cfe, cfe_list)) {
#if 0
/*
* Some modem cards (e.g. Xircom CM33) also have
* mem space. Don't bother with this check.
*/
if (cfe->num_memspace != 0)
continue;
#endif
if (cfe->num_iospace != 1)
continue;
if (!pcmcia_io_alloc(pa->pf,
autoalloc ? 0 : cfe->iospace[0].start,
cfe->iospace[0].length, COM_NPORTS, &psc->sc_pcioh)) {
goto found;
}
}
if (autoalloc == 0) {
autoalloc = 1;
goto retry;
} else if (!cfe) {
printf(": can't allocate i/o space\n");
return;
}
found:
sc->sc_iot = psc->sc_pcioh.iot;
sc->sc_ioh = psc->sc_pcioh.ioh;
/* Enable the card. */
pcmcia_function_init(pa->pf, cfe);
if (com_pcmcia_enable1(sc))
printf(": function enable failed\n");
sc->enabled = 1;
/* map in the io space */
if (pcmcia_io_map(pa->pf, ((cfe->flags & PCMCIA_CFE_IO16) ?
PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_IO8), 0, psc->sc_pcioh.size,
&psc->sc_pcioh, &psc->sc_io_window)) {
printf(": can't map i/o space\n");
return;
}
printf(" port 0x%lx/%lu", psc->sc_pcioh.addr,
(u_long)psc->sc_pcioh.size);
sc->sc_iobase = -1;
sc->enable = com_pcmcia_enable;
sc->disable = com_pcmcia_disable;
sc->sc_frequency = COM_FREQ;
sc->sc_hwflags = 0;
sc->sc_swflags = 0;
if (psc->sc_pf->sc->card.manufacturer == PCMCIA_VENDOR_AUDIOVOX &&
psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_AUDIOVOX_RTM8000)
sc->sc_fifolen = 16;
com_attach_subr(sc);
/* establish the interrupt. */
psc->sc_ih = pcmcia_intr_establish(pa->pf, IPL_TTY, comintr, sc,
sc->sc_dev.dv_xname);
intrstr = pcmcia_intr_string(psc->sc_pf, psc->sc_ih);
if (*intrstr)
printf(", %s", intrstr);
#ifdef notyet
sc->enabled = 0;
com_pcmcia_disable1(sc);
#endif
}
int
com_pcmcia_detach(dev, flags)
struct device *dev;
int flags;
{
struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *)dev;
int error;
/* Release all resources. */
error = com_detach(dev, flags);
if (error)
return (error);
pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
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;
/* establish the interrupt. */
psc->sc_ih = pcmcia_intr_establish(pf, IPL_TTY, comintr, sc,
sc->sc_dev.dv_xname);
if (psc->sc_ih == NULL) {
printf("%s: couldn't establish interrupt\n",
sc->sc_dev.dv_xname);
return (1);
}
return com_pcmcia_enable1(sc);
}
int
com_pcmcia_enable1(sc)
struct com_softc *sc;
{
struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *) sc;
struct pcmcia_function *pf = psc->sc_pf;
int ret;
if ((ret = pcmcia_function_enable(pf)))
return(ret);
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_3CXEM556B)) {
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(ret);
}
void
com_pcmcia_disable(sc)
struct com_softc *sc;
{
struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *) sc;
pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
com_pcmcia_disable1(sc);
}
void
com_pcmcia_disable1(sc)
struct com_softc *sc;
{
struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *) sc;
pcmcia_function_disable(psc->sc_pf);
}