xref: /netbsd-src/sys/arch/hppa/dev/lpt_ssio.c (revision 6d3ceb1d619615401b17c9aa3e4bc674a1cb048b)
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 <sys/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(device_t, cfdata_t, void *);
31 void lpt_ssio_attach(device_t, device_t, void *);
32 
33 CFATTACH_DECL_NEW(lpt_ssio, sizeof(struct lpt_softc),
34     lpt_ssio_match, lpt_ssio_attach, NULL, NULL);
35 
36 int
lpt_ssio_match(device_t parent,cfdata_t match,void * aux)37 lpt_ssio_match(device_t parent, cfdata_t match, void *aux)
38 {
39 	cfdata_t cf = match;
40 	struct ssio_attach_args *saa = aux;
41 
42 	if (strcmp(saa->saa_name, "lpt") != 0)
43 		return (0);
44 
45 	/* Check locators. */
46 	if (cf->ssiocf_irq != SSIO_UNK_IRQ && cf->ssiocf_irq != saa->saa_irq)
47 		return (0);
48 
49 	return (1);
50 }
51 
52 void
lpt_ssio_attach(device_t parent,device_t self,void * aux)53 lpt_ssio_attach(device_t parent, device_t self, void *aux)
54 {
55 	struct lpt_softc *sc = device_private(self);
56 	struct ssio_attach_args *saa = aux;
57 
58 	sc->sc_dev = self;
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 		aprint_error(": can't map i/o ports\n");
63 		return;
64 	}
65 
66 	lpt_attach_subr(sc);
67 
68 	sc->sc_ih = ssio_intr_establish(IPL_TTY, saa->saa_irq,
69 	    lptintr, sc, device_xname(self));
70 
71 	aprint_normal("\n");
72 }
73