Home | History | Annotate | Line # | Download | only in isa
opms_isa.c revision 1.1.2.1 
      1 /* $NetBSD: opms_isa.c,v 1.1.2.1 2001/06/21 19:18:32 nathanw Exp $ */
      2 
      3 /*
      4  * Copyright (c) 1995, 1996 Carnegie-Mellon University.
      5  * All rights reserved.
      6  *
      7  * Author: Chris G. Demetriou
      8  *
      9  * Permission to use, copy, modify and distribute this software and
     10  * its documentation is hereby granted, provided that both the copyright
     11  * notice and this permission notice appear in all copies of the
     12  * software, derivative works or modified versions, and any portions
     13  * thereof, and that both notices appear in supporting documentation.
     14  *
     15  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
     16  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
     17  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
     18  *
     19  * Carnegie Mellon requests users of this software to return to
     20  *
     21  *  Software Distribution Coordinator  or  Software.Distribution (at) CS.CMU.EDU
     22  *  School of Computer Science
     23  *  Carnegie Mellon University
     24  *  Pittsburgh PA 15213-3890
     25  *
     26  * any improvements or extensions that they make and grant Carnegie the
     27  * rights to redistribute these changes.
     28  */
     29 
     30 #include <sys/param.h>
     31 #include <sys/systm.h>
     32 #include <sys/tty.h>
     33 #include <sys/device.h>
     34 
     35 #include <machine/bus.h>
     36 
     37 #include <dev/isa/isareg.h>
     38 #include <dev/isa/isavar.h>
     39 
     40 #include <arc/dev/pcconsvar.h>
     41 #include <arc/dev/opmsvar.h>
     42 
     43 int	opms_isa_match __P((struct device *, struct cfdata *, void *));
     44 void	opms_isa_attach __P((struct device *, struct device *, void *));
     45 
     46 struct cfattach opms_isa_ca = {
     47 	sizeof(struct opms_softc), opms_isa_match, opms_isa_attach,
     48 };
     49 
     50 struct pccons_config *pccons_isa_conf;	/* share stroage with pccons_isa.c */
     51 
     52 int
     53 opms_isa_match(parent, match, aux)
     54 	struct device *parent;
     55 	struct cfdata *match;
     56 	void *aux;
     57 {
     58 	struct isa_attach_args *ia = aux;
     59 	bus_addr_t iobase = IO_KBD;
     60 	bus_size_t iosize = IO_KBDSIZE;
     61 	int irq = 12;
     62 
     63 	if (ia->ia_iobase != IOBASEUNK)
     64 		iobase = ia->ia_iobase;
     65 #if 0	/* XXX isa.c */
     66 	if (ia->ia_iosize != 0)
     67 		iosize = ia->ia_iosize;
     68 #endif
     69 	if (ia->ia_irq != IRQUNK)
     70 		irq = ia->ia_irq;
     71 
     72 #if 0
     73 	/* If values are hardwired to something that they can't be, punt. */
     74 	if (iobase != IO_KBD || iosize != IO_KBDSIZE ||
     75 	    ia->ia_maddr != MADDRUNK || ia->ia_msize != 0 ||
     76 	    ia->ia_irq != 1 || ia->ia_drq != DRQUNK)
     77 		return (0);
     78 #endif
     79 
     80 	if (pccons_isa_conf == NULL)
     81 		return (0);
     82 
     83 	if (!opms_common_match(ia->ia_iot, pccons_isa_conf))
     84 		return (0);
     85 
     86 	ia->ia_iobase = iobase;
     87 	ia->ia_iosize = iosize;
     88 	ia->ia_msize = 0;
     89 	return (1);
     90 }
     91 
     92 void
     93 opms_isa_attach(parent, self, aux)
     94 	struct device *parent, *self;
     95 	void *aux;
     96 {
     97 	struct opms_softc *sc = (struct opms_softc *)self;
     98 	struct isa_attach_args *ia = aux;
     99 
    100 	printf("\n");
    101 
    102 	isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE, IPL_TTY,
    103 	    pcintr, self);
    104 	opms_common_attach(sc, ia->ia_iot, pccons_isa_conf);
    105 }
    106