1 /* $NetBSD: mq200_vrip.c,v 1.13 2012/10/27 17:17:55 chs 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/cdefs.h>
33 __KERNEL_RCSID(0, "$NetBSD: mq200_vrip.c,v 1.13 2012/10/27 17:17:55 chs Exp $");
34
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/device.h>
38
39 #include <machine/bus.h>
40
41 #include "opt_vr41xx.h"
42 #include <hpcmips/vr/vrcpudef.h>
43 #include <hpcmips/vr/vripif.h>
44 #include <hpcmips/dev/mq200var.h>
45 #include <hpcmips/dev/mq200reg.h>
46 #include "bivideo.h"
47 #if NBIVIDEO > 0
48 #include <dev/hpc/bivideovar.h>
49 #endif
50
51
52 #include "locators.h"
53
54 struct mq200_vrip_softc {
55 struct mq200_softc sc_mq200;
56 };
57
58 static int mq200_vrip_probe(device_t, cfdata_t, void *);
59 static void mq200_vrip_attach(device_t, device_t, void *);
60
61 CFATTACH_DECL_NEW(mqvideo_vrip, sizeof(struct mq200_vrip_softc),
62 mq200_vrip_probe, mq200_vrip_attach, NULL, NULL);
63
64 static int
mq200_vrip_probe(device_t parent,cfdata_t cf,void * aux)65 mq200_vrip_probe(device_t parent, cfdata_t cf, void *aux)
66 {
67 struct vrip_attach_args *va = aux;
68 bus_space_handle_t ioh;
69 int res;
70
71 if (va->va_addr == VRIPIFCF_ADDR_DEFAULT)
72 return (0);
73
74 #if NBIVIDEO > 0
75 if (bivideo_dont_attach) /* already attach video driver */
76 return 0;
77 #endif /* NBIVIDEO > 0 */
78
79 if (bus_space_map(va->va_iot, va->va_addr + MQ200_REGADDR,
80 va->va_size, 0, &ioh)) {
81 printf(": can't map i/o space\n");
82 return 0;
83 }
84 res = mq200_probe(va->va_iot, ioh);
85 bus_space_unmap(va->va_iot, ioh, va->va_size);
86
87 return (res);
88 }
89
90
91 static void
mq200_vrip_attach(device_t parent,device_t self,void * aux)92 mq200_vrip_attach(device_t parent, device_t self, void *aux)
93 {
94 struct mq200_vrip_softc *vsc = device_private(self);
95 struct mq200_softc *sc = &vsc->sc_mq200;
96 struct vrip_attach_args *va = aux;
97
98 sc->sc_dev = self;
99 sc->sc_baseaddr = va->va_addr;
100 sc->sc_iot = va->va_iot;
101 if (bus_space_map(va->va_iot, va->va_addr + MQ200_REGADDR,
102 va->va_size - MQ200_REGADDR, 0, &sc->sc_ioh)) {
103 printf(": can't map bus space\n");
104 return;
105 }
106
107 mq200_attach(sc);
108 }
109