xref: /netbsd-src/sys/dev/pci/lpt_puc.c (revision e5548b402ae4c44fb816de42c7bba9581ce23ef5)
1 /*	$NetBSD: lpt_puc.c,v 1.10 2005/12/11 12:22:50 christos Exp $	*/
2 
3 /*
4  * Copyright (c) 1998 Christopher G. Demetriou.  All rights reserved.
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  * 3. All advertising materials mentioning features or use of this software
15  *    must display the following acknowledgement:
16  *      This product includes software developed by Christopher G. Demetriou
17  *	for the NetBSD Project.
18  * 4. The name of the author may not be used to endorse or promote products
19  *    derived from this software without specific prior written permission
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 /*
34  * Machine-independent parallel port ('lpt') driver attachment to "PCI
35  * Universal Communications" controller driver.
36  *
37  * Author: Christopher G. Demetriou, May 17, 1998.
38  */
39 
40 #include <sys/cdefs.h>
41 __KERNEL_RCSID(0, "$NetBSD: lpt_puc.c,v 1.10 2005/12/11 12:22:50 christos Exp $");
42 
43 #include <sys/param.h>
44 #include <sys/systm.h>
45 #include <sys/device.h>
46 
47 #include <machine/bus.h>
48 
49 #include <dev/pci/pcivar.h>
50 #include <dev/pci/pucvar.h>
51 #include <dev/ic/lptvar.h>
52 
53 static int
54 lpt_puc_probe(struct device *parent, struct cfdata *match, void *aux)
55 {
56 	struct puc_attach_args *aa = aux;
57 
58 	/*
59 	 * Locators already matched, just check the type.
60 	 */
61 	if (aa->type != PUC_PORT_TYPE_LPT)
62 		return (0);
63 
64 	return (1);
65 }
66 
67 static void
68 lpt_puc_attach(struct device *parent, struct device *self, void *aux)
69 {
70 	struct lpt_softc *sc = (void *)self;
71 	struct puc_attach_args *aa = aux;
72 	const char *intrstr;
73 
74 	sc->sc_iot = aa->t;
75 	sc->sc_ioh = aa->h;
76 
77 	intrstr = pci_intr_string(aa->pc, aa->intrhandle);
78 	sc->sc_ih = pci_intr_establish(aa->pc, aa->intrhandle, IPL_TTY,
79 	    lptintr, sc);
80 	if (sc->sc_ih == NULL) {
81 		printf(": couldn't establish interrupt");
82 		if (intrstr != NULL)
83 			printf(" at %s", intrstr);
84 		printf("\n");
85 		return;
86 	}
87 	printf(": interrupting at %s\n", intrstr);
88 
89 	lpt_attach_subr(sc);
90 }
91 
92 CFATTACH_DECL(lpt_puc, sizeof(struct lpt_softc),
93     lpt_puc_probe, lpt_puc_attach, NULL, NULL);
94