xref: /netbsd/sys/arch/hpcmips/vr/mq200_vrip.c (revision c4a72b64)
1 /*	$NetBSD: mq200_vrip.c,v 1.10 2002/10/02 05:26:53 thorpej Exp $	*/
2 
3 /*-
4  * Copyright (c) 2000 Takemura Shin
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 REGENTS 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 REGENTS 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/mq200var.h>
42 #include <hpcmips/dev/mq200reg.h>
43 #include "bivideo.h"
44 #if NBIVIDEO > 0
45 #include <dev/hpc/bivideovar.h>
46 #endif
47 
48 
49 #include "locators.h"
50 
51 struct mq200_vrip_softc {
52 	struct mq200_softc	sc_mq200;
53 };
54 
55 static int	mq200_vrip_probe(struct device *, struct cfdata *, void *);
56 static void	mq200_vrip_attach(struct device *, struct device *, void *);
57 
58 CFATTACH_DECL(mqvideo_vrip, sizeof(struct mq200_vrip_softc),
59     mq200_vrip_probe, mq200_vrip_attach, NULL, NULL);
60 
61 static int
62 mq200_vrip_probe(struct device *parent, struct cfdata *cf, void *aux)
63 {
64 	struct vrip_attach_args *va = aux;
65 	bus_space_handle_t ioh;
66 	int res;
67 
68 	if (va->va_addr == VRIPIFCF_ADDR_DEFAULT)
69 		return (0);
70 
71 #if NBIVIDEO > 0
72 	if (bivideo_dont_attach) /* already attach video driver */
73 		return 0;
74 #endif /* NBIVIDEO > 0 */
75 
76 	if (bus_space_map(va->va_iot, va->va_addr + MQ200_REGADDR,
77 	    va->va_size, 0, &ioh)) {
78 		printf(": can't map i/o space\n");
79 		return 0;
80 	}
81 	res = mq200_probe(va->va_iot, ioh);
82 	bus_space_unmap(va->va_iot, ioh, va->va_size);
83 
84 	return (res);
85 }
86 
87 
88 static void
89 mq200_vrip_attach(struct device *parent, struct device *self, void *aux)
90 {
91 	struct mq200_vrip_softc *vsc = (void *)self;
92 	struct mq200_softc *sc = &vsc->sc_mq200;
93 	struct vrip_attach_args *va = aux;
94 
95 	sc->sc_baseaddr = va->va_addr;
96 	sc->sc_iot = va->va_iot;
97 	if (bus_space_map(va->va_iot, va->va_addr + MQ200_REGADDR,
98 	    va->va_size - MQ200_REGADDR, 0, &sc->sc_ioh)) {
99 		printf(": can't map bus space\n");
100 		return;
101 	}
102 
103 	mq200_attach(sc);
104 }
105