xref: /netbsd/sys/arch/hpcmips/vr/ite8181_vrip.c (revision c4a72b64)
1 /*	$NetBSD: ite8181_vrip.c,v 1.7 2002/10/02 05:26:53 thorpej 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 CFATTACH_DECL(ite8181video_vrip, sizeof(struct ite8181_vrip_softc),
57     ite8181_vrip_probe, ite8181_vrip_attach, NULL, NULL);
58 
59 static int
60 ite8181_vrip_probe(struct device *parent, struct cfdata *cf, void *aux)
61 {
62 	struct vrip_attach_args *va = aux;
63 	bus_space_handle_t ioh;
64 	int res;
65 
66 	if (va->va_addr == VRIPIFCF_ADDR_DEFAULT)
67 		return (0);
68 
69 #if NBIVIDEO > 0
70 	if (bivideo_dont_attach) /* already attach video driver */
71 		return 0;
72 #endif /* NBIVIDEO > 0 */
73 
74 	if (bus_space_map(va->va_iot, va->va_addr, va->va_size, 0, &ioh)) {
75 		printf("ite8181_vrip_probe: can't map i/o space\n");
76 		return 0;
77 	}
78 	res = ite8181_probe(va->va_iot, ioh);
79 	bus_space_unmap(va->va_iot, ioh, va->va_size);
80 
81 	return (res);
82 }
83 
84 
85 static void
86 ite8181_vrip_attach(struct device *parent, struct device *self, void *aux)
87 {
88 	struct ite8181_vrip_softc *vsc = (void *)self;
89 	struct ite8181_softc *sc = &vsc->sc_ite8181;
90 	struct vrip_attach_args *va = aux;
91 
92 	sc->sc_baseaddr = va->va_addr;
93 	sc->sc_iot = va->va_iot;
94 	if (bus_space_map(va->va_iot, va->va_addr, va->va_size, 0,
95 			  &sc->sc_ioh)) {
96 		printf(": can't map bus space\n");
97 		return;
98 	}
99 
100 	ite8181_attach(sc);
101 }
102