1 /* $OpenBSD: abtn.c,v 1.12 2009/01/10 18:00:59 robert Exp $ */ 2 /* $NetBSD: abtn.c,v 1.1 1999/07/12 17:48:26 tsubai Exp $ */ 3 4 /*- 5 * Copyright (c) 2002, Miodrag Vallat. 6 * Copyright (C) 1999 Tsubai Masanari. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include <sys/param.h> 32 #include <sys/device.h> 33 #include <sys/systm.h> 34 #include <sys/workq.h> 35 36 #include <machine/bus.h> 37 38 #include <dev/ofw/openfirm.h> 39 #include <macppc/macppc/ofw_machdep.h> 40 41 #include <dev/adb/adb.h> 42 43 #include "audio.h" 44 #include "cd.h" 45 #include "wskbd.h" 46 47 #define ABTN_HANDLER_ID 31 48 49 struct abtn_softc { 50 struct device sc_dev; 51 52 int origaddr; /* ADB device type */ 53 int adbaddr; /* current ADB address */ 54 int handler_id; 55 }; 56 57 int abtn_match(struct device *, void *, void *); 58 void abtn_attach(struct device *, struct device *, void *); 59 void abtn_adbcomplete(caddr_t, caddr_t, int); 60 61 #if NWSKBD > 0 62 extern int cd_eject(void); 63 #if NAUDIO > 0 64 extern int wskbd_set_mixervolume(long dir); 65 #endif 66 #endif 67 68 struct cfattach abtn_ca = { 69 sizeof(struct abtn_softc), abtn_match, abtn_attach 70 }; 71 struct cfdriver abtn_cd = { 72 NULL, "abtn", DV_DULL 73 }; 74 75 int 76 abtn_match(struct device *parent, void *cf, void *aux) 77 { 78 struct adb_attach_args *aa = aux; 79 80 if (aa->origaddr == ADBADDR_MISC && 81 aa->handler_id == ABTN_HANDLER_ID) 82 return 1; 83 84 return 0; 85 } 86 87 void 88 abtn_attach(struct device *parent, struct device *self, void *aux) 89 { 90 struct abtn_softc *sc = (struct abtn_softc *)self; 91 struct adb_attach_args *aa = aux; 92 ADBSetInfoBlock adbinfo; 93 94 printf(": brightness/volume/eject buttons\n"); 95 96 sc->origaddr = aa->origaddr; 97 sc->adbaddr = aa->adbaddr; 98 sc->handler_id = aa->handler_id; 99 100 adbinfo.siServiceRtPtr = (Ptr)abtn_adbcomplete; 101 adbinfo.siDataAreaAddr = (caddr_t)sc; 102 103 set_adb_info(&adbinfo, sc->adbaddr); 104 } 105 106 void 107 abtn_adbcomplete(caddr_t buffer, caddr_t data, int adb_command) 108 { 109 u_int cmd, brightness; 110 111 cmd = buffer[1]; 112 113 switch (cmd) { 114 case 0x0a: /* decrease brightness */ 115 brightness = cons_brightness; 116 if (brightness == MAX_BRIGHTNESS) 117 brightness++; /* get round values */ 118 brightness -= STEP_BRIGHTNESS; 119 of_setbrightness(brightness); 120 break; 121 122 case 0x09: /* increase brightness */ 123 brightness = cons_brightness + STEP_BRIGHTNESS; 124 of_setbrightness(brightness); 125 break; 126 127 #if NAUDIO > 0 && NWSKBD > 0 128 case 0x08: /* mute */ 129 case 0x01: /* mute, AV hardware */ 130 workq_add_task(NULL, 0, (workq_fn)wskbd_set_mixervolume, 131 (void *)(long)0, NULL); 132 break; 133 case 0x07: /* decrease volume */ 134 case 0x02: /* decrease volume, AV hardware */ 135 workq_add_task(NULL, 0, (workq_fn)wskbd_set_mixervolume, 136 (void *)(long)-1, NULL); 137 break; 138 case 0x06: /* increase volume */ 139 case 0x03: /* increase volume, AV hardware */ 140 workq_add_task(NULL, 0, (workq_fn)wskbd_set_mixervolume, 141 (void *)(long)1, NULL); 142 break; 143 #endif 144 case 0x0c: /* mirror display key */ 145 /* Need callback to do something with this */ 146 break; 147 #if NWSKBD > 0 && NCD > 0 148 case 0x0b: /* eject tray */ 149 workq_add_task(NULL, 0, (workq_fn)cd_eject, NULL, NULL); 150 break; 151 #endif 152 case 0x7f: /* numlock */ 153 /* Need callback to do something with this */ 154 break; 155 156 default: 157 #ifdef DEBUG 158 if ((cmd & ~0x7f) == 0) 159 printf("unknown ADB button 0x%x\n", cmd); 160 #endif 161 break; 162 } 163 } 164