NetBSD/sys/arch/arc/isa/opms_isa.c

112 lines
3.0 KiB
C

/* $NetBSD: opms_isa.c,v 1.8 2005/12/11 12:16:39 christos Exp $ */
/*
* Copyright (c) 1995, 1996 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Chris G. Demetriou
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: opms_isa.c,v 1.8 2005/12/11 12:16:39 christos Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/tty.h>
#include <sys/device.h>
#include <machine/bus.h>
#include <dev/isa/isareg.h>
#include <dev/isa/isavar.h>
#include <arc/dev/pcconsvar.h>
#include <arc/dev/opmsvar.h>
int opms_isa_match(struct device *, struct cfdata *, void *);
void opms_isa_attach(struct device *, struct device *, void *);
CFATTACH_DECL(opms_isa, sizeof(struct opms_softc),
opms_isa_match, opms_isa_attach, NULL, NULL);
struct pccons_config *pccons_isa_conf; /* share stroage with pccons_isa.c */
int
opms_isa_match(struct device *parent, struct cfdata *match, void *aux)
{
struct isa_attach_args *ia = aux;
bus_addr_t iobase = IO_KBD;
bus_size_t iosize = IO_KBDSIZE;
int irq = 12;
if (ia->ia_nio < 1)
return 0;
if (ia->ia_io[0].ir_addr != ISA_UNKNOWN_PORT)
iobase = ia->ia_io[0].ir_addr;
#if 0 /* XXX isa.c */
if (ia->ia_iosize != 0)
iosize = ia->ia_iosize;
#endif
if (ia->ia_irq[0].ir_irq != ISA_UNKNOWN_IRQ)
irq = ia->ia_irq[0].ir_irq;
#if 0
/* If values are hardwired to something that they can't be, punt. */
if (iobase != IO_KBD || iosize != IO_KBDSIZE ||
ia->ia_maddr != MADDRUNK || ia->ia_msize != 0 ||
ia->ia_irq != 1 || ia->ia_drq != DRQUNK)
return 0;
#endif
if (pccons_isa_conf == NULL)
return 0;
if (!opms_common_match(ia->ia_iot, pccons_isa_conf))
return 0;
ia->ia_nio = 1;
ia->ia_io[0].ir_addr = iobase;
ia->ia_io[0].ir_size = iosize;
ia->ia_nirq = 1;
ia->ia_irq[0].ir_irq = irq;
ia->ia_niomem = 0;
ia->ia_ndrq = 0;
return 1;
}
void
opms_isa_attach(struct device *parent, struct device *self, void *aux)
{
struct opms_softc *sc = (struct opms_softc *)self;
struct isa_attach_args *ia = aux;
printf("\n");
isa_intr_establish(ia->ia_ic, ia->ia_irq[0].ir_irq, IST_EDGE, IPL_TTY,
pcintr, self);
opms_common_attach(sc, ia->ia_iot, pccons_isa_conf);
}