Annotation of sys/arch/hppa/dev/lpt_ssio.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: lpt_ssio.c,v 1.1 2007/06/20 18:22:15 kettenis Exp $ */
2:
3: /*
4: * Copyright (c) 2007 Mark Kettenis
5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: #include <sys/param.h>
20: #include <sys/systm.h>
21: #include <sys/device.h>
22:
23: #include <machine/bus.h>
24:
25: #include <dev/ic/lptreg.h>
26: #include <dev/ic/lptvar.h>
27:
28: #include <hppa/dev/ssiovar.h>
29:
30: int lpt_ssio_match(struct device *, void *, void *);
31: void lpt_ssio_attach(struct device *, struct device *, void *);
32:
33: struct cfattach lpt_ssio_ca = {
34: sizeof(struct lpt_softc), lpt_ssio_match, lpt_ssio_attach
35: };
36:
37: int
38: lpt_ssio_match(struct device *parent, void *match, void *aux)
39: {
40: struct cfdata *cf = match;
41: struct ssio_attach_args *saa = aux;
42:
43: if (strcmp(saa->saa_name, "lpt") != 0)
44: return (0);
45:
46: /* Check locators. */
47: if (cf->ssiocf_irq != SSIO_UNK_IRQ && cf->ssiocf_irq != saa->saa_irq)
48: return (0);
49:
50: return (1);
51: }
52:
53: void
54: lpt_ssio_attach(struct device *parent, struct device *self, void *aux)
55: {
56: struct lpt_softc *sc = (void *)self;
57: struct ssio_attach_args *saa = aux;
58:
59: sc->sc_iot = saa->saa_iot;
60: if (bus_space_map(sc->sc_iot, saa->saa_iobase, LPT_NPORTS,
61: 0, &sc->sc_ioh)) {
62: printf(": cannot map io space\n");
63: return;
64: }
65:
66: lpt_attach_common(sc);
67:
68: sc->sc_ih = ssio_intr_establish(IPL_TTY, saa->saa_irq,
69: lptintr, sc, sc->sc_dev.dv_xname);
70: }
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