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
64static int adbbt_match(device_t, cfdata_t, void *);
65static void adbbt_attach(device_t, device_t, void *);
66
67struct 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. */
78CFATTACH_DECL_NEW(adbbt, sizeof(struct adbbt_softc),
79    adbbt_match, adbbt_attach, NULL, NULL);
80
81static void adbbt_handler(void *, int, uint8_t *);
82
83static int
84adbbt_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
95static void
96adbbt_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
113static void
114adbbt_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