1 /* $NetBSD: epockbd_windermere.c,v 1.1 2013/04/28 12:11:25 kiyohara Exp $ */
2 /*
3 * Copyright (c) 2013 KIYOHARA Takashi
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
19 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
20 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
23 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
24 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25 * POSSIBILITY OF SUCH DAMAGE.
26 */
27 #include <sys/cdefs.h>
28 __KERNEL_RCSID(0, "$NetBSD: epockbd_windermere.c,v 1.1 2013/04/28 12:11:25 kiyohara Exp $");
29
30 #include <sys/param.h>
31 #include <sys/bus.h>
32 #include <sys/device.h>
33 #include <sys/errno.h>
34
35 #include <epoc32/windermere/windermerereg.h>
36 #include <epoc32/windermere/windermerevar.h>
37 #include <epoc32/dev/epockbdvar.h>
38
39 #include "locators.h"
40
41 static int epockbd_windermere_match(device_t, cfdata_t, void *);
42 static void epockbd_windermere_attach(device_t, device_t, void *);
43
44 CFATTACH_DECL_NEW(epockbd_windermere, sizeof(struct epockbd_softc),
45 epockbd_windermere_match, epockbd_windermere_attach, NULL, NULL);
46
47 static int
epockbd_windermere_match(device_t parent,cfdata_t match,void * aux)48 epockbd_windermere_match(device_t parent, cfdata_t match, void *aux)
49 {
50 struct windermere_attach_args *aa = aux;
51
52 /* Wildcard not accept */
53 if (aa->aa_offset == WINDERMERECF_OFFSET_DEFAULT)
54 return 0;
55
56 return 1;
57 }
58
59 static void
epockbd_windermere_attach(device_t parent,device_t self,void * aux)60 epockbd_windermere_attach(device_t parent, device_t self, void *aux)
61 {
62 struct epockbd_softc *sc = device_private(self);
63 struct windermere_attach_args *aa = aux;
64 bus_space_tag_t iot = aa->aa_iot;
65 bus_space_handle_t ioh = *aa->aa_ioh;
66 bus_addr_t gpio_addr;
67
68 sc->sc_dev = self;
69 sc->sc_kbd_ncolumn = 8;
70 sc->sc_kbd_nrow = 7;
71 if (windermere_bus_space_subregion(iot, ioh, aa->aa_offset,
72 sizeof(uint32_t), &sc->sc_scanh) != 0) {
73 aprint_error_dev(self, "can't map scan registers\n");
74 return;
75 }
76 gpio_addr = aa->aa_offset & ~0xff; /* XXXX */
77 if (windermere_bus_space_subregion(iot, ioh, gpio_addr,
78 sizeof(uint32_t), &sc->sc_datah) != 0) {
79 aprint_error_dev(self, "can't map data registers\n");
80 return;
81 }
82 sc->sc_scant = iot;
83 sc->sc_datat = iot;
84
85 epockbd_attach(sc);
86 }
87