xref: /netbsd/sys/arch/hpcmips/vr/ite8181_vrip.c (revision 5f819ca3)
1 /*	$NetBSD: ite8181_vrip.c,v 1.10 2012/10/27 17:17:55 chs 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/cdefs.h>
33 __KERNEL_RCSID(0, "$NetBSD: ite8181_vrip.c,v 1.10 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/ite8181var.h>
45 #include "bivideo.h"
46 #if NBIVIDEO > 0
47 #include <dev/hpc/bivideovar.h>
48 #endif
49 
50 #include "locators.h"
51 
52 struct ite8181_vrip_softc {
53 	struct ite8181_softc	sc_ite8181;
54 };
55 
56 static int	ite8181_vrip_probe(device_t, cfdata_t, void *);
57 static void	ite8181_vrip_attach(device_t, device_t, void *);
58 
59 CFATTACH_DECL_NEW(ite8181video_vrip, sizeof(struct ite8181_vrip_softc),
60     ite8181_vrip_probe, ite8181_vrip_attach, NULL, NULL);
61 
62 static int
ite8181_vrip_probe(device_t parent,cfdata_t cf,void * aux)63 ite8181_vrip_probe(device_t parent, cfdata_t cf, void *aux)
64 {
65 	struct vrip_attach_args *va = aux;
66 	bus_space_handle_t ioh;
67 	int res;
68 
69 	if (va->va_addr == VRIPIFCF_ADDR_DEFAULT)
70 		return (0);
71 
72 #if NBIVIDEO > 0
73 	if (bivideo_dont_attach) /* already attach video driver */
74 		return 0;
75 #endif /* NBIVIDEO > 0 */
76 
77 	if (bus_space_map(va->va_iot, va->va_addr, va->va_size, 0, &ioh)) {
78 		printf("ite8181_vrip_probe: can't map i/o space\n");
79 		return 0;
80 	}
81 	res = ite8181_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
ite8181_vrip_attach(device_t parent,device_t self,void * aux)89 ite8181_vrip_attach(device_t parent, device_t self, void *aux)
90 {
91 	struct ite8181_vrip_softc *vsc = device_private(self);
92 	struct ite8181_softc *sc = &vsc->sc_ite8181;
93 	struct vrip_attach_args *va = aux;
94 
95 	sc->sc_dev = self;
96 	sc->sc_baseaddr = va->va_addr;
97 	sc->sc_iot = va->va_iot;
98 	if (bus_space_map(va->va_iot, va->va_addr, va->va_size, 0,
99 			  &sc->sc_ioh)) {
100 		printf(": can't map bus space\n");
101 		return;
102 	}
103 
104 	ite8181_attach(sc);
105 }
106