NetBSD/sys/dev/pcmcia/com_pcmcia.c

288 lines
7.9 KiB
C

/* $NetBSD: com_pcmcia.c,v 1.3 1998/02/01 23:50:52 marc Exp $ */
/*-
* Copyright (c) 1993, 1994, 1995, 1996
* Charles M. Hannum. All rights reserved.
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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/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/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/ic/comreg.h>
#include <dev/ic/comvar.h>
#include <dev/isa/isareg.h>
#define PCMCIA_MANUFACTURER_3COM 0x101
#define PCMCIA_PRODUCT_3COM_3C562 0x562
#define PCMCIA_MANUFACTURER_MOTOROLA 0x109
#define PCMCIA_PRODUCT_MOTOROLA_POWER144 0x105
#define PCMCIA_MANUFACTURER_IBM 0xa4
#define PCMCIA_PRODUCT_IBM_HOME_AND_AWAY 0x2e
#ifdef __BROKEN_INDIRECT_CONFIG
int com_pcmcia_match __P((struct device *, void *, void *));
#else
int com_pcmcia_match __P((struct device *, struct cfdata *, void *));
#endif
void com_pcmcia_attach __P((struct device *, struct device *, void *));
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_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 */
};
struct cfattach com_pcmcia_ca = {
sizeof(struct com_pcmcia_softc), com_pcmcia_match, com_pcmcia_attach
};
struct com_dev {
char *name;
int manufacturer;
int product;
char *cis1_info0;
char *cis1_info1;
int function;
} com_devs[] = {
{ "3Com 3C562 Modem",
PCMCIA_MANUFACTURER_3COM, PCMCIA_PRODUCT_3COM_3C562,
NULL, NULL, 1 },
{ "Motorola Power 14.4 Modem",
PCMCIA_MANUFACTURER_MOTOROLA, PCMCIA_PRODUCT_MOTOROLA_POWER144,
NULL, NULL, 0 },
{ "IBM Home and Away Modem",
PCMCIA_MANUFACTURER_IBM, PCMCIA_PRODUCT_IBM_HOME_AND_AWAY,
NULL, NULL, 0 },
{ "Megahertz XJ2288 Modem",
0xffffffff, 0xffff, "MEGAHERTZ", "XJ2288", 0 },
};
#define com_dev_match(card, fct, n) \
(((((com_devs[(n)].cis1_info0 == NULL) && \
(com_devs[(n)].cis1_info1 == NULL) && \
(com_devs[(n)].manufacturer == (card)->manufacturer) && \
(com_devs[(n)].product == (card)->product)) || \
((com_devs[(n)].cis1_info0) && \
(com_devs[(n)].cis1_info1) && \
(strcmp(com_devs[(n)].cis1_info0, (card)->cis1_info[0]) == 0) && \
(strcmp(com_devs[(n)].cis1_info1, (card)->cis1_info[1]) == 0))) && \
(com_devs[(n)].function == fct)) \
?&com_devs[(n)]:NULL)
int
com_pcmcia_match(parent, match, aux)
struct device *parent;
#ifdef __BROKEN_INDIRECT_CONFIG
void *match;
#else
struct cfdata *match;
#endif
void *aux;
{
struct pcmcia_attach_args *pa = aux;
struct pcmcia_config_entry *cfe;
int i;
for (i=0; i<(sizeof(com_devs)/sizeof(com_devs[0])); i++) {
if (com_dev_match(pa->card, pa->pf->number, i))
return(1);
}
/* find a cfe we can use (if it matches a standard COM port) */
for (cfe = pa->pf->cfe_head.sqh_first; cfe;
cfe = cfe->cfe_list.sqe_next) {
if (cfe->iospace[0].start == IO_COM1 ||
cfe->iospace[0].start == IO_COM2 ||
cfe->iospace[0].start == IO_COM3 ||
cfe->iospace[0].start == IO_COM4)
return(1);
}
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 i;
struct com_dev *comdev;
psc->sc_pf = pa->pf;
/* find a cfe we can use */
for (cfe = pa->pf->cfe_head.sqh_first; cfe;
cfe = cfe->cfe_list.sqe_next) {
if (cfe->num_memspace != 0)
continue;
if (cfe->num_iospace != 1)
continue;
if (cfe->iomask == 3) {
if (pcmcia_io_alloc(pa->pf, 0, cfe->iospace[0].length,
cfe->iospace[0].length, &psc->sc_pcioh)) {
continue;
}
} else {
if (pcmcia_io_alloc(pa->pf, cfe->iospace[0].start,
cfe->iospace[0].length, 0, &psc->sc_pcioh)) {
continue;
}
}
break;
}
if (!cfe) {
printf(": can't allocate i/o space\n");
return;
}
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_enable(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;
}
sc->sc_iobase = -1;
sc->sc_frequency = COM_FREQ;
sc->enable = com_pcmcia_enable;
sc->disable = com_pcmcia_disable;
com_attach_subr(sc);
for (i=0; i<(sizeof(com_devs)/sizeof(com_devs[0])); i++) {
if ((comdev = com_dev_match(pa->card, pa->pf->number, i))) {
printf(": %s\n", comdev->name);
}
}
sc->enabled = 0;
com_pcmcia_disable(sc);
}
int com_pcmcia_enable(struct com_softc *sc)
{
struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *) sc;
struct pcmcia_function *pf = psc->sc_pf;
int ret;
/* 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 ((ret = pcmcia_function_enable(pf)))
return(ret);
if (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3C562) {
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(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);
}