xref: /netbsd-src/sys/dev/pci/lpt_puc.c (revision 481fca6e59249d8ffcf24fef7cfbe7b131bfb080)
1 /*	$NetBSD: lpt_puc.c,v 1.1 1998/06/26 18:52:41 cgd 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/types.h>
41 #include <sys/param.h>
42 #include <sys/systm.h>
43 #include <sys/device.h>
44 
45 #include <machine/bus.h>
46 
47 #include <dev/pci/pcivar.h>
48 #include <dev/pci/pucvar.h>
49 #include <dev/ic/lptvar.h>
50 
51 int	lpt_puc_probe __P((struct device *, struct cfdata *, void *));
52 void	lpt_puc_attach __P((struct device *, struct device *, void *));
53 
54 struct cfattach lpt_puc_ca = {
55 	sizeof(struct lpt_softc), lpt_puc_probe, lpt_puc_attach
56 };
57 
58 int
59 lpt_puc_probe(parent, match, aux)
60 	struct device *parent;
61 	struct cfdata *match;
62 	void *aux;
63 {
64 	struct puc_attach_args *aa = aux;
65 
66 	/*
67 	 * Locators already matched, just check the type.
68 	 */
69 	if (aa->type != PUC_PORT_TYPE_LPT)
70 		return (0);
71 
72 	return (1);
73 }
74 
75 void
76 lpt_puc_attach(parent, self, aux)
77 	struct device *parent, *self;
78 	void *aux;
79 {
80 	struct lpt_softc *sc = (void *)self;
81 	struct puc_attach_args *aa = aux;
82 	const char *intrstr;
83 
84 	sc->sc_iot = aa->t;
85 	sc->sc_ioh = aa->h;
86 
87 	intrstr = pci_intr_string(aa->pc, aa->intrhandle);
88 	sc->sc_ih = pci_intr_establish(aa->pc, aa->intrhandle, IPL_TTY,
89 	    lptintr, sc);
90 	if (sc->sc_ih == NULL) {
91 		printf(": couldn't establish interrupt");
92 		if (intrstr != NULL)
93 			printf(" at %s", intrstr);
94 		printf("\n");
95 		return;
96 	}
97 	printf(": interrupting at %s\n", intrstr);
98 
99 	lpt_attach_subr(sc);
100 }
101