NetBSD/sys/arch/arc/jazz/pccons_jazzio.c

167 lines
4.3 KiB
C

/* $NetBSD: pccons_jazzio.c,v 1.1 2001/06/13 15:05:46 soda Exp $ */
/* NetBSD: vga_isa.c,v 1.4 2000/08/14 20:14:51 thorpej 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/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <uvm/uvm_extern.h>
#include <machine/autoconf.h>
#include <machine/bus.h>
#include <mips/pte.h>
#include <arc/arc/wired_map.h>
#include <arc/dev/pcconsvar.h>
#include <arc/jazz/jazziovar.h>
#include <arc/jazz/pica.h>
#include <arc/jazz/pccons_jazziovar.h>
#define PCKBD_INTR 6 /* XXX - should be obtained from firmware */
int pccons_jazzio_match __P((struct device *, struct cfdata *, void *));
void pccons_jazzio_attach __P((struct device *, struct device *, void *));
struct cfattach pc_jazzio_ca = {
sizeof(struct pc_softc),
pccons_jazzio_match, pccons_jazzio_attach,
};
/*
* chipset-dependent pccons configuration
*/
void pccons_jazzio_init __P((void));
struct pccons_config pccons_jazzio_conf = {
0x3b4, 0xb0000, /* mono: iobase, memaddr */
0x3d4, 0xb8000, /* cga: iobase, memaddr */
PICA_SYS_KBD + 0x61, PICA_SYS_KBD + 0x60, /* kbdc: cmdport, dataport */
pccons_jazzio_init
};
void
pccons_jazzio_init()
{
/* nothing to do */
}
int pccons_jazzio_init_tag __P((char*, bus_space_tag_t*,bus_space_tag_t*));
int
pccons_jazzio_init_tag(name, iotp, memtp)
char *name;
bus_space_tag_t *iotp, *memtp;
{
static int initialized = 0;
static struct arc_bus_space vga_io, vga_mem;
if (strcmp(name, "ALI_S3") != 0)
return(ENXIO);
if (!initialized) {
initialized = 1;
arc_bus_space_init(&vga_io, "vga_jazzio_io",
PICA_P_LOCAL_VIDEO_CTRL, PICA_V_LOCAL_VIDEO_CTRL,
0, PICA_S_LOCAL_VIDEO_CTRL);
arc_bus_space_init(&vga_mem, "vga_jazzio_mem",
PICA_P_LOCAL_VIDEO, PICA_V_LOCAL_VIDEO,
0, PICA_S_LOCAL_VIDEO);
arc_enter_wired(PICA_V_LOCAL_VIDEO_CTRL,
PICA_P_LOCAL_VIDEO_CTRL,
PICA_P_LOCAL_VIDEO_CTRL + PICA_S_LOCAL_VIDEO_CTRL/2,
MIPS3_PG_SIZE_1M);
arc_enter_wired(PICA_V_LOCAL_VIDEO,
PICA_P_LOCAL_VIDEO,
PICA_P_LOCAL_VIDEO + PICA_S_LOCAL_VIDEO/2,
MIPS3_PG_SIZE_4M);
#if 0
arc_enter_wired(PICA_V_EXTND_VIDEO_CTRL,
PICA_P_EXTND_VIDEO_CTRL,
PICA_P_EXTND_VIDEO_CTRL + PICA_S_EXTND_VIDEO_CTRL/2,
MIPS3_PG_SIZE_1M);
#endif
}
*iotp = &vga_io;
*memtp = &vga_mem;
return (0);
}
int
pccons_jazzio_match(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
struct jazzio_attach_args *ja = aux;
bus_space_tag_t crt_iot, crt_memt;
if (pccons_jazzio_init_tag(ja->ja_name, &crt_iot, &crt_memt))
return (0);
if (!pccons_common_match(crt_iot, crt_memt, ja->ja_bust,
&pccons_jazzio_conf))
return (0);
return (1);
}
void
pccons_jazzio_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct pc_softc *sc = (struct pc_softc *)self;
struct jazzio_attach_args *ja = aux;
bus_space_tag_t crt_iot, crt_memt;
pccons_jazzio_init_tag(ja->ja_name, &crt_iot, &crt_memt);
jazzio_intr_establish(PCKBD_INTR, pcintr, self);
pccons_common_attach(sc, crt_iot, crt_memt, ja->ja_bust,
&pccons_jazzio_conf);
}
int
pccons_jazzio_cnattach(name, kbd_iot)
char *name;
bus_space_tag_t kbd_iot;
{
bus_space_tag_t crt_iot, crt_memt;
if (pccons_jazzio_init_tag(name, &crt_iot, &crt_memt))
return (ENXIO);
pccons_common_cnattach(crt_iot, crt_memt, kbd_iot,
&pccons_jazzio_conf);
return (0);
}