NetBSD-5.0.2/sys/dev/pcmcia/com_pcmcia.c
/* $NetBSD: com_pcmcia.c,v 1.59 2008/08/27 05:39:01 christos 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.
*
* 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 1.59 2008/08/27 05:39:01 christos 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 <sys/intr.h>
#include <sys/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(device_t, cfdata_t , void *);
int com_pcmcia_validate_config(struct pcmcia_config_entry *);
void com_pcmcia_attach(device_t, device_t, void *);
int com_pcmcia_detach(device_t, int);
int com_pcmcia_enable(struct com_softc *);
void com_pcmcia_disable(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_NEW(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 },
{ PCMCIA_VENDOR_TDK, PCMCIA_PRODUCT_TDK_BLUETOOTH_PCCARD,
PCMCIA_CIS_INVALID },
};
static const size_t com_pcmcia_nproducts =
sizeof(com_pcmcia_products) / sizeof(com_pcmcia_products[0]);
int
com_pcmcia_match(device_t parent, cfdata_t 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(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(device_t parent, device_t self, void *aux)
{
struct com_pcmcia_softc *psc = device_private(self);
struct com_softc *sc = &psc->sc_com;
struct pcmcia_attach_args *pa = aux;
struct pcmcia_config_entry *cfe;
int error;
sc->sc_dev = self;
psc->sc_pf = pa->pf;
error = pcmcia_function_configure(pa->pf, com_pcmcia_validate_config);
if (error) {
aprint_error_dev(self, "configure failed, error=%d\n", error);
return;
}
cfe = pa->pf->cfe;
COM_INIT_REGS(sc->sc_regs, cfe->iospace[0].handle.iot,
cfe->iospace[0].handle.ioh, -1);
error = com_pcmcia_enable(sc);
if (error)
goto fail;
sc->enabled = 1;
sc->sc_frequency = COM_FREQ;
sc->enable = com_pcmcia_enable;
sc->disable = com_pcmcia_disable;
aprint_normal("%s", device_xname(self));
com_attach_subr(sc);
if (!pmf_device_register1(self, com_suspend, com_resume,
com_cleanup))
aprint_error_dev(self, "couldn't establish power handler\n");
sc->enabled = 0;
psc->sc_attached = 1;
com_pcmcia_disable(sc);
return;
fail:
pcmcia_function_unconfigure(pa->pf);
}
int
com_pcmcia_detach(device_t self, int flags)
{
struct com_pcmcia_softc *psc = device_private(self);
int error;
if (!psc->sc_attached)
return (0);
pmf_device_deregister(self);
if ((error = com_detach(self, flags)) != 0)
return error;
pcmcia_function_unconfigure(psc->sc_pf);
return (0);
}
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 error;
/* establish the interrupt. */
psc->sc_ih = pcmcia_intr_establish(pf, IPL_SERIAL, comintr, sc);
if (psc->sc_ih == NULL) {
aprint_error_dev(sc->sc_dev, "couldn't establish interrupt\n");
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(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;
}