1/*	$NetBSD: hil_gsc.c,v 1.2 2011/02/15 10:35:39 tsutsui Exp $	*/
2/*	$OpenBSD: hil_gsc.c,v 1.5 2005/12/22 07:09:52 miod Exp $	*/
3/*
4 * Copyright (c) 2003, Miodrag Vallat.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
20 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
24 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
25 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 *
28 */
29
30#include <sys/param.h>
31#include <sys/systm.h>
32#include <sys/device.h>
33#include <sys/cpu.h>
34#include <sys/bus.h>
35
36#include <machine/intr.h>
37#include <machine/iomod.h>
38#include <machine/autoconf.h>
39
40#include <hppa/dev/cpudevs.h>
41#include <hppa/gsc/gscbusvar.h>
42#include <hppa/hppa/machdep.h>
43
44#include <machine/hil_machdep.h>
45
46#include <dev/hil/hilvar.h>
47
48static int	hil_gsc_match(device_t, cfdata_t, void *);
49static void	hil_gsc_attach(device_t, device_t, void *);
50
51struct hil_gsc_softc {
52	struct hil_softc sc_hs;
53	int sc_hil_console;
54	void *sc_ih;
55};
56
57CFATTACH_DECL_NEW(hil_gsc, sizeof(struct hil_gsc_softc),
58    hil_gsc_match, hil_gsc_attach, NULL, NULL);
59
60int
61hil_gsc_match(device_t parent, cfdata_t cf, void *aux)
62{
63	struct gsc_attach_args *ga = aux;
64
65	if (ga->ga_type.iodc_type != HPPA_TYPE_FIO ||
66	    ga->ga_type.iodc_sv_model != HPPA_FIO_HIL)
67		return 0;
68
69	return 1;
70}
71
72void
73hil_gsc_attach(device_t parent, device_t self, void *aux)
74{
75	struct hil_gsc_softc *gsc = device_private(self);
76	struct hil_softc *sc = &gsc->sc_hs;
77	struct gsc_attach_args *ga = aux;
78	int pagezero_cookie;
79
80	sc->sc_dev = self;
81	sc->sc_bst = ga->ga_iot;
82	if (bus_space_map(ga->ga_iot, ga->ga_hpa,
83	    HILMAPSIZE, 0, &sc->sc_bsh)) {
84		aprint_error(": couldn't map hil controller\n");
85		return;
86	}
87
88	pagezero_cookie = hppa_pagezero_map();
89	gsc->sc_hil_console = ga->ga_dp.dp_mod == PAGE0->mem_kbd.pz_dp.dp_mod &&
90	    memcmp(ga->ga_dp.dp_bc, PAGE0->mem_kbd.pz_dp.dp_bc, 6) == 0;
91	hppa_pagezero_unmap(pagezero_cookie);
92
93	hil_attach(sc, &gsc->sc_hil_console);
94
95	gsc->sc_ih = hppa_intr_establish(IPL_TTY, hil_intr, sc,
96	    ga->ga_ir, ga->ga_irq);
97
98	config_interrupts(self, hil_attach_deferred);
99}
100