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/* $OpenBSD: com_puc.c,v 1.20 2011/11/15 22:27:53 deraadt 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.
*/
#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/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/pci/pucvar.h>
#include "com.h"
#include <dev/ic/comreg.h>
#include <dev/ic/comvar.h>
#include <dev/ic/ns16550reg.h>
#define com_lcr com_cfcr
int com_puc_match(struct device *, void *, void *);
void com_puc_attach(struct device *, struct device *, void *);
int com_puc_detach(struct device *, int);
int com_puc_activate(struct device *, int);
struct cfattach com_puc_ca = {
sizeof(struct com_softc), com_puc_match,
com_puc_attach, com_puc_detach, com_puc_activate
};
int
com_puc_match(parent, match, aux)
struct device *parent;
void *match, *aux;
{
struct puc_attach_args *pa = aux;
if (PUC_IS_COM(pa->type))
return(1);
return(0);
}
void
com_puc_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct com_softc *sc = (void *)self;
struct puc_attach_args *pa = aux;
const char *intrstr;
/* Grab a PCI interrupt. */
intrstr = pa->intr_string(pa);
sc->sc_ih = pa->intr_establish(pa, IPL_TTY, comintr, sc,
sc->sc_dev.dv_xname);
if (sc->sc_ih == NULL) {
printf(": couldn't establish interrupt");
if (intrstr != NULL)
printf(" at %s", intrstr);
printf("\n");
return;
}
printf(" %s", intrstr);
sc->sc_iot = pa->t;
sc->sc_ioh = pa->h;
sc->sc_iobase = pa->a;
if (PUC_IS_COM_MUL(pa->type))
sc->sc_frequency = COM_FREQ * PUC_COM_GET_MUL(pa->type);
else
sc->sc_frequency = COM_FREQ * (1 << PUC_COM_GET_POW2(pa->type));
com_attach_subr(sc);
}
int
com_puc_detach(struct device *self, int flags)
{
return com_detach(self, flags);
}
int
com_puc_activate(struct device *self, int act)
{
struct com_softc *sc = (struct com_softc *)self;
switch (act) {
case DVACT_SUSPEND:
break;
case DVACT_RESUME:
com_resume(sc);
break;
}
return (0);
}
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