1 /* $NetBSD: iic_eumb.c,v 1.20 2022/07/22 23:43:24 thorpej Exp $ */
2
3 /*-
4 * Copyright (c) 2010,2011 Frank Wille.
5 * All rights reserved.
6 *
7 * Written by Frank Wille for The NetBSD Project.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
20 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include <sys/cdefs.h>
32 __KERNEL_RCSID(0, "$NetBSD: iic_eumb.c,v 1.20 2022/07/22 23:43:24 thorpej Exp $");
33
34 #include <sys/param.h>
35 #include <sys/device.h>
36
37 #include <sys/bus.h>
38 #include <dev/i2c/motoi2cvar.h>
39 #include <sandpoint/sandpoint/eumbvar.h>
40
41 static int iic_eumb_match(device_t, cfdata_t, void *);
42 static void iic_eumb_attach(device_t, device_t, void *);
43
44 CFATTACH_DECL_NEW(iic_eumb, sizeof(struct motoi2c_softc),
45 iic_eumb_match, iic_eumb_attach, NULL, NULL);
46
47 static int found;
48
49 static int
iic_eumb_match(device_t parent,cfdata_t cf,void * aux)50 iic_eumb_match(device_t parent, cfdata_t cf, void *aux)
51 {
52
53 return found == 0;
54 }
55
56 static void
iic_eumb_attach(device_t parent,device_t self,void * aux)57 iic_eumb_attach(device_t parent, device_t self, void *aux)
58 {
59 struct motoi2c_softc *sc = device_private(self);
60 struct eumb_attach_args *eaa = aux;
61 bus_space_handle_t ioh;
62
63 sc->sc_dev = self;
64 found = 1;
65
66 aprint_naive("\n");
67 aprint_normal("\n");
68
69 /*
70 * map EUMB registers and attach MI motoi2c with default settings
71 */
72 bus_space_map(eaa->eumb_bt, 0x3000, 0x20, 0, &ioh);
73 sc->sc_iot = eaa->eumb_bt;
74 sc->sc_ioh = ioh;
75 motoi2c_attach(sc, NULL);
76 }
77