xref: /netbsd/sys/arch/hpcmips/vr/ite8181_vrip.c (revision bf9ec67e)
1 /*	$NetBSD: ite8181_vrip.c,v 1.5 2002/01/27 14:18:12 takemura Exp $	*/
2 
3 /*-
4  * Copyright (c) 2000 SATO Kazumi
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. The name of the author may not be used to endorse or promote products
16  *    derived from this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  *
30  */
31 
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/device.h>
35 
36 #include <machine/bus.h>
37 
38 #include "opt_vr41xx.h"
39 #include <hpcmips/vr/vrcpudef.h>
40 #include <hpcmips/vr/vripif.h>
41 #include <hpcmips/dev/ite8181var.h>
42 #include "bivideo.h"
43 #if NBIVIDEO > 0
44 #include <dev/hpc/bivideovar.h>
45 #endif
46 
47 #include "locators.h"
48 
49 struct ite8181_vrip_softc {
50 	struct ite8181_softc	sc_ite8181;
51 };
52 
53 static int	ite8181_vrip_probe(struct device *, struct cfdata *, void *);
54 static void	ite8181_vrip_attach(struct device *, struct device *, void *);
55 
56 struct cfattach ite8181video_vrip_ca = {
57 	sizeof(struct ite8181_vrip_softc), ite8181_vrip_probe, ite8181_vrip_attach
58 };
59 
60 static int
61 ite8181_vrip_probe(struct device *parent, struct cfdata *cf, void *aux)
62 {
63 	struct vrip_attach_args *va = aux;
64 	bus_space_handle_t ioh;
65 	int res;
66 
67 	if (va->va_addr == VRIPIFCF_ADDR_DEFAULT)
68 		return (0);
69 
70 #if NBIVIDEO > 0
71 	if (bivideo_dont_attach) /* already attach video driver */
72 		return 0;
73 #endif /* NBIVIDEO > 0 */
74 
75 	if (bus_space_map(va->va_iot, va->va_addr, va->va_size, 0, &ioh)) {
76 		printf("ite8181_vrip_probe: can't map i/o space\n");
77 		return 0;
78 	}
79 	res = ite8181_probe(va->va_iot, ioh);
80 	bus_space_unmap(va->va_iot, ioh, va->va_size);
81 
82 	return (res);
83 }
84 
85 
86 static void
87 ite8181_vrip_attach(struct device *parent, struct device *self, void *aux)
88 {
89 	struct ite8181_vrip_softc *vsc = (void *)self;
90 	struct ite8181_softc *sc = &vsc->sc_ite8181;
91 	struct vrip_attach_args *va = aux;
92 
93 	sc->sc_baseaddr = va->va_addr;
94 	sc->sc_iot = va->va_iot;
95 	if (bus_space_map(va->va_iot, va->va_addr, va->va_size, 0,
96 			  &sc->sc_ioh)) {
97 		printf(": can't map bus space\n");
98 		return;
99 	}
100 
101 	ite8181_attach(sc);
102 }
103