1 /* $NetBSD: adb_bt.c,v 1.7 2017/10/28 04:53:55 riastradh Exp $ */
2
3 /*-
4 * Copyright (c) 2006 Michael Lorenz
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 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 __KERNEL_RCSID(0, "$NetBSD: adb_bt.c,v 1.7 2017/10/28 04:53:55 riastradh Exp $");
31
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/kernel.h>
35 #include <sys/device.h>
36 #include <sys/proc.h>
37
38 #include <machine/autoconf.h>
39 #include <machine/adbsys.h>
40 #include <machine/keyboard.h>
41
42 #include <dev/adb/adbvar.h>
43
44 #include "ioconf.h"
45
46 #include "opt_wsdisplay_compat.h"
47 #include "adbdebug.h"
48
49 #ifdef ADBBT_DEBUG
50 #define DPRINTF printf
51 #else
52 #define DPRINTF while (0) printf
53 #endif
54
55 #define BT_VOL_UP 0x06
56 #define BT_VOL_DOWN 0x07
57 #define BT_VOL_MUTE 0x08
58 #define BT_BRT_UP 0x09
59 #define BT_BRT_DOWN 0x0a
60 #define BT_EJECT 0x0b
61 #define BT_F7 0x0c
62 #define BT_NUMLOCK 0x7f
63
64 static int adbbt_match(device_t, cfdata_t, void *);
65 static void adbbt_attach(device_t, device_t, void *);
66
67 struct adbbt_softc {
68 device_t sc_dev;
69 struct adb_device *sc_adbdev;
70 struct adb_bus_accessops *sc_ops;
71 int sc_msg_len;
72 int sc_event;
73 uint8_t sc_buffer[16];
74 uint8_t sc_us;
75 };
76
77 /* Driver definition. */
78 CFATTACH_DECL_NEW(adbbt, sizeof(struct adbbt_softc),
79 adbbt_match, adbbt_attach, NULL, NULL);
80
81 static void adbbt_handler(void *, int, uint8_t *);
82
83 static int
adbbt_match(device_t parent,cfdata_t cf,void * aux)84 adbbt_match(device_t parent, cfdata_t cf, void *aux)
85 {
86 struct adb_attach_args *aaa = aux;
87
88 if ((aaa->dev->original_addr == ADBADDR_MISC) &&
89 (aaa->dev->handler_id == 0x1f))
90 return 100;
91 else
92 return 0;
93 }
94
95 static void
adbbt_attach(device_t parent,device_t self,void * aux)96 adbbt_attach(device_t parent, device_t self, void *aux)
97 {
98 struct adbbt_softc *sc = device_private(self);
99 struct adb_attach_args *aaa = aux;
100
101 sc->sc_dev = self;
102 sc->sc_ops = aaa->ops;
103 sc->sc_adbdev = aaa->dev;
104 sc->sc_adbdev->cookie = sc;
105 sc->sc_adbdev->handler = adbbt_handler;
106 sc->sc_us = ADBTALK(sc->sc_adbdev->current_addr, 0);
107
108 sc->sc_msg_len = 0;
109
110 printf(" addr %d: button device\n", sc->sc_adbdev->current_addr);
111 }
112
113 static void
adbbt_handler(void * cookie,int len,uint8_t * data)114 adbbt_handler(void *cookie, int len, uint8_t *data)
115 {
116 /* struct adbbt_softc *sc = cookie; */
117 uint8_t k, scancode;
118
119 #ifdef ADBBT_DEBUG
120 struct adbbt_softc *sc = cookie;
121 int i;
122 printf("%s: %02x - ", device_xname(sc->sc_dev), sc->sc_us);
123 for (i = 0; i < len; i++) {
124 printf(" %02x", data[i]);
125 }
126 printf("\n");
127 #endif
128 k = data[2];
129 scancode = ADBK_KEYVAL(k);
130 if ((scancode < 6) || (scancode > 0x0c))
131 return;
132
133 if (ADBK_PRESS(k)) {
134
135 switch (scancode) {
136 case BT_VOL_UP:
137 pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_UP);
138 break;
139 case BT_VOL_DOWN:
140 pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_DOWN);
141 break;
142 case BT_VOL_MUTE:
143 pmf_event_inject(NULL,
144 PMFE_AUDIO_VOLUME_TOGGLE);
145 break;
146 case BT_BRT_UP:
147 pmf_event_inject(NULL,
148 PMFE_DISPLAY_BRIGHTNESS_UP);
149 break;
150 case BT_BRT_DOWN:
151 pmf_event_inject(NULL,
152 PMFE_DISPLAY_BRIGHTNESS_DOWN);
153 break;
154 }
155 }
156 }
157