Annotation of sys/arch/hppa/dev/mongoose_gsc.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: mongoose_gsc.c,v 1.1 2004/10/29 20:23:37 miod Exp $ */
2:
3: /*
4: * Copyright (c) 2004, Miodrag Vallat.
5: *
6: * Redistribution and use in source and binary forms, with or without
7: * modification, are permitted provided that the following conditions
8: * are met:
9: * 1. Redistributions of source code must retain the above copyright
10: * notice, this list of conditions and the following disclaimer.
11: * 2. Redistributions in binary form must reproduce the above copyright
12: * notice, this list of conditions and the following disclaimer in the
13: * documentation and/or other materials provided with the distribution.
14: *
15: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17: * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18: * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
19: * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
20: * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21: * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
23: * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
24: * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25: * POSSIBILITY OF SUCH DAMAGE.
26: */
27:
28: #include <sys/param.h>
29: #include <sys/systm.h>
30: #include <sys/device.h>
31:
32: #include <machine/bus.h>
33: #include <machine/autoconf.h>
34:
35: #include <hppa/dev/cpudevs.h>
36:
37: #include <dev/eisa/eisavar.h>
38: #include <dev/isa/isavar.h>
39:
40: #include <hppa/dev/mongoosereg.h>
41: #include <hppa/dev/mongoosevar.h>
42:
43: #include <hppa/gsc/gscbusvar.h>
44:
45: void mgattach_gsc(struct device *, struct device *, void *);
46: int mgmatch_gsc(struct device *, void *, void *);
47:
48: struct cfattach mg_gsc_ca = {
49: sizeof(struct mongoose_softc), mgmatch_gsc, mgattach_gsc
50: };
51:
52: int
53: mgmatch_gsc(struct device *parent, void *cfdata, void *aux)
54: {
55: struct gsc_attach_args *ga = aux;
56:
57: if (ga->ga_type.iodc_type != HPPA_TYPE_BHA ||
58: ga->ga_type.iodc_sv_model != HPPA_BHA_WEISA)
59: return (0);
60:
61: return (1);
62: }
63:
64: void
65: mgattach_gsc(struct device *parent, struct device *self, void *aux)
66: {
67: struct mongoose_softc *sc = (struct mongoose_softc *)self;
68: struct gsc_attach_args *ga = aux;
69: bus_space_handle_t ioh;
70:
71: sc->sc_bt = ga->ga_iot;
72: sc->sc_iomap = ga->ga_hpa;
73:
74: if (bus_space_map(ga->ga_iot, ga->ga_hpa + MONGOOSE_MONGOOSE,
75: sizeof(struct mongoose_regs), 0, &ioh) != 0) {
76: printf(": can't map IO space\n");
77: return;
78: }
79: sc->sc_regs = (struct mongoose_regs *)ioh;
80:
81: if (bus_space_map(ga->ga_iot, ga->ga_hpa + MONGOOSE_CTRL,
82: sizeof(struct mongoose_ctrl), 0, &ioh) != 0) {
83: printf(": can't map control registers\n");
84: bus_space_unmap(ga->ga_iot, (bus_space_handle_t)sc->sc_regs,
85: sizeof(struct mongoose_regs));
86: return;
87: }
88: sc->sc_ctrl = (struct mongoose_ctrl *)ioh;
89:
90: if (mgattach_common(sc) != 0)
91: return;
92:
93: sc->sc_ih = gsc_intr_establish((struct gsc_softc *)parent,
94: ga->ga_irq, IPL_HIGH, mg_intr, sc, sc->sc_dev.dv_xname);
95: }
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