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