1 /* $NetBSD: adb_bt.c,v 1.5 2008/05/15 19:19:50 macallan 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 1.5 2008/05/15 19:19:50 macallan 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 "opt_wsdisplay_compat.h" 45 #include "adbdebug.h" 46 47 #ifdef ADBBT_DEBUG 48 #define DPRINTF printf 49 #else 50 #define DPRINTF while (0) printf 51 #endif 52 53 #define BT_VOL_UP 0x06 54 #define BT_VOL_DOWN 0x07 55 #define BT_VOL_MUTE 0x08 56 #define BT_BRT_UP 0x09 57 #define BT_BRT_DOWN 0x0a 58 #define BT_EJECT 0x0b 59 #define BT_F7 0x0c 60 #define BT_NUMLOCK 0x7f 61 62 static int adbbt_match(device_t, cfdata_t, void *); 63 static void adbbt_attach(device_t, device_t, void *); 64 65 struct adbbt_softc { 66 device_t sc_dev; 67 struct adb_device *sc_adbdev; 68 struct adb_bus_accessops *sc_ops; 69 int sc_msg_len; 70 int sc_event; 71 uint8_t sc_buffer[16]; 72 uint8_t sc_us; 73 }; 74 75 /* Driver definition. */ 76 CFATTACH_DECL_NEW(adbbt, sizeof(struct adbbt_softc), 77 adbbt_match, adbbt_attach, NULL, NULL); 78 79 extern struct cfdriver adbbt_cd; 80 81 static void adbbt_handler(void *, int, uint8_t *); 82 83 static int 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 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 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 int i; 121 printf("%s: %02x - ", device_xname(&sc->sc_dev), sc->sc_us); 122 for (i = 0; i < len; i++) { 123 printf(" %02x", data[i]); 124 } 125 printf("\n"); 126 #endif 127 k = data[2]; 128 scancode = ADBK_KEYVAL(k); 129 if ((scancode < 6) || (scancode > 0x0c)) 130 return; 131 132 if (ADBK_PRESS(k)) { 133 134 switch (scancode) { 135 case BT_VOL_UP: 136 pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_UP); 137 break; 138 case BT_VOL_DOWN: 139 pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_DOWN); 140 break; 141 case BT_VOL_MUTE: 142 pmf_event_inject(NULL, 143 PMFE_AUDIO_VOLUME_TOGGLE); 144 break; 145 case BT_BRT_UP: 146 pmf_event_inject(NULL, 147 PMFE_DISPLAY_BRIGHTNESS_UP); 148 break; 149 case BT_BRT_DOWN: 150 pmf_event_inject(NULL, 151 PMFE_DISPLAY_BRIGHTNESS_DOWN); 152 break; 153 } 154 } 155 } 156