171 lines
4.7 KiB
C
171 lines
4.7 KiB
C
/* $NetBSD: pccons_jazzio.c,v 1.7 2005/11/15 12:12:21 tsutsui Exp $ */
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/* NetBSD: vga_isa.c,v 1.4 2000/08/14 20:14:51 thorpej Exp */
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/*
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* Copyright (c) 1995, 1996 Carnegie-Mellon University.
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* All rights reserved.
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*
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* Author: Chris G. Demetriou
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*
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* Permission to use, copy, modify and distribute this software and
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* its documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
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* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie the
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* rights to redistribute these changes.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: pccons_jazzio.c,v 1.7 2005/11/15 12:12:21 tsutsui Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <uvm/uvm_extern.h>
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#include <machine/autoconf.h>
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#include <machine/bus.h>
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#include <machine/wired_map.h>
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#include <mips/pte.h>
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#include <arc/dev/pcconsvar.h>
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#include <arc/jazz/jazziovar.h>
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#include <arc/jazz/pica.h>
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#include <arc/jazz/pccons_jazziovar.h>
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#define PCKBD_INTR 6 /* XXX - should be obtained from firmware */
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int pccons_jazzio_match(struct device *, struct cfdata *, void *);
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void pccons_jazzio_attach(struct device *, struct device *, void *);
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CFATTACH_DECL(pc_jazzio, sizeof(struct pc_softc),
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pccons_jazzio_match, pccons_jazzio_attach, NULL, NULL);
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/*
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* chipset-dependent pccons configuration
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*/
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void pccons_jazzio_init(void);
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struct pccons_config pccons_jazzio_conf = {
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0x3b4, 0xb0000, /* mono: iobase, memaddr */
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0x3d4, 0xb8000, /* cga: iobase, memaddr */
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PICA_SYS_KBD + 0x61, PICA_SYS_KBD + 0x60, /* kbdc: cmdport, dataport */
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pccons_jazzio_init
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};
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void
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pccons_jazzio_init(void)
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{
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/* nothing to do */
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}
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int pccons_jazzio_init_tag(const char *, bus_space_tag_t*,bus_space_tag_t*);
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int
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pccons_jazzio_init_tag(const char *name, bus_space_tag_t *iotp,
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bus_space_tag_t *memtp)
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{
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static int initialized = 0;
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static struct arc_bus_space vga_io, vga_mem;
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if (strcmp(name, "ALI_S3") != 0)
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return ENXIO;
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if (!initialized) {
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initialized = 1;
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arc_bus_space_init(&vga_io, "vga_jazzio_io",
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PICA_P_LOCAL_VIDEO_CTRL, PICA_V_LOCAL_VIDEO_CTRL,
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0, PICA_S_LOCAL_VIDEO_CTRL);
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arc_bus_space_init(&vga_mem, "vga_jazzio_mem",
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PICA_P_LOCAL_VIDEO, PICA_V_LOCAL_VIDEO,
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0, PICA_S_LOCAL_VIDEO);
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arc_wired_enter_page(
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PICA_V_LOCAL_VIDEO_CTRL,
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PICA_P_LOCAL_VIDEO_CTRL,
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PICA_S_LOCAL_VIDEO_CTRL / 2);
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arc_wired_enter_page(
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PICA_V_LOCAL_VIDEO_CTRL + PICA_S_LOCAL_VIDEO_CTRL / 2,
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PICA_P_LOCAL_VIDEO_CTRL + PICA_S_LOCAL_VIDEO_CTRL / 2,
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PICA_S_LOCAL_VIDEO_CTRL / 2);
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arc_wired_enter_page(PICA_V_LOCAL_VIDEO,
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PICA_P_LOCAL_VIDEO,
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PICA_S_LOCAL_VIDEO / 2);
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arc_wired_enter_page(
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PICA_V_LOCAL_VIDEO + PICA_S_LOCAL_VIDEO / 2,
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PICA_P_LOCAL_VIDEO + PICA_S_LOCAL_VIDEO / 2,
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PICA_S_LOCAL_VIDEO / 2);
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#if 0
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arc_wired_enter_page(PICA_V_EXTND_VIDEO_CTRL,
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PICA_P_EXTND_VIDEO_CTRL,
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PICA_S_EXTND_VIDEO_CTRL / 2);
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arc_wired_enter_page(
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PICA_V_EXTND_VIDEO_CTRL + PICA_S_EXTND_VIDEO_CTRL / 2,
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PICA_P_EXTND_VIDEO_CTRL + PICA_S_EXTND_VIDEO_CTRL / 2,
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PICA_S_EXTND_VIDEO_CTRL / 2);
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#endif
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}
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*iotp = &vga_io;
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*memtp = &vga_mem;
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return 0;
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}
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int
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pccons_jazzio_match(struct device *parent, struct cfdata *match, void *aux)
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{
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struct jazzio_attach_args *ja = aux;
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bus_space_tag_t crt_iot, crt_memt;
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if (pccons_jazzio_init_tag(ja->ja_name, &crt_iot, &crt_memt))
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return 0;
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if (!pccons_common_match(crt_iot, crt_memt, ja->ja_bust,
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&pccons_jazzio_conf))
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return 0;
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return 1;
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}
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void
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pccons_jazzio_attach(struct device *parent, struct device *self, void *aux)
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{
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struct pc_softc *sc = (struct pc_softc *)self;
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struct jazzio_attach_args *ja = aux;
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bus_space_tag_t crt_iot, crt_memt;
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pccons_jazzio_init_tag(ja->ja_name, &crt_iot, &crt_memt);
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jazzio_intr_establish(PCKBD_INTR, pcintr, self);
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pccons_common_attach(sc, crt_iot, crt_memt, ja->ja_bust,
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&pccons_jazzio_conf);
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}
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int
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pccons_jazzio_cnattach(char *name, bus_space_tag_t kbd_iot)
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{
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bus_space_tag_t crt_iot, crt_memt;
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if (pccons_jazzio_init_tag(name, &crt_iot, &crt_memt))
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return ENXIO;
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pccons_common_cnattach(crt_iot, crt_memt, kbd_iot,
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&pccons_jazzio_conf);
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return 0;
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}
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