abtn.c revision 1.1.2.2
1 1.1.2.2 thorpej /* $NetBSD: abtn.c,v 1.1.2.2 1999/08/02 19:55:12 thorpej Exp $ */ 2 1.1.2.2 thorpej 3 1.1.2.2 thorpej /*- 4 1.1.2.2 thorpej * Copyright (C) 1999 Tsubai Masanari. All rights reserved. 5 1.1.2.2 thorpej * 6 1.1.2.2 thorpej * Redistribution and use in source and binary forms, with or without 7 1.1.2.2 thorpej * modification, are permitted provided that the following conditions 8 1.1.2.2 thorpej * are met: 9 1.1.2.2 thorpej * 1. Redistributions of source code must retain the above copyright 10 1.1.2.2 thorpej * notice, this list of conditions and the following disclaimer. 11 1.1.2.2 thorpej * 2. Redistributions in binary form must reproduce the above copyright 12 1.1.2.2 thorpej * notice, this list of conditions and the following disclaimer in the 13 1.1.2.2 thorpej * documentation and/or other materials provided with the distribution. 14 1.1.2.2 thorpej * 3. The name of the author may not be used to endorse or promote products 15 1.1.2.2 thorpej * derived from this software without specific prior written permission. 16 1.1.2.2 thorpej * 17 1.1.2.2 thorpej * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 1.1.2.2 thorpej * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 1.1.2.2 thorpej * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 1.1.2.2 thorpej * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 1.1.2.2 thorpej * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 1.1.2.2 thorpej * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 1.1.2.2 thorpej * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 1.1.2.2 thorpej * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 1.1.2.2 thorpej * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 1.1.2.2 thorpej * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 1.1.2.2 thorpej */ 28 1.1.2.2 thorpej 29 1.1.2.2 thorpej #include <sys/param.h> 30 1.1.2.2 thorpej #include <sys/device.h> 31 1.1.2.2 thorpej #include <sys/systm.h> 32 1.1.2.2 thorpej 33 1.1.2.2 thorpej #include <macppc/dev/adbvar.h> 34 1.1.2.2 thorpej 35 1.1.2.2 thorpej #define NVRAM_BRIGHTNESS 0x140e 36 1.1.2.2 thorpej #define ABTN_HANDLER_ID 31 37 1.1.2.2 thorpej 38 1.1.2.2 thorpej struct abtn_softc { 39 1.1.2.2 thorpej struct device sc_dev; 40 1.1.2.2 thorpej 41 1.1.2.2 thorpej int origaddr; /* ADB device type */ 42 1.1.2.2 thorpej int adbaddr; /* current ADB address */ 43 1.1.2.2 thorpej int handler_id; 44 1.1.2.2 thorpej 45 1.1.2.2 thorpej int brightness; /* backlight brightness */ 46 1.1.2.2 thorpej int volume; /* speaker volume (not yet) */ 47 1.1.2.2 thorpej }; 48 1.1.2.2 thorpej 49 1.1.2.2 thorpej static int abtn_match __P((struct device *, struct cfdata *, void *)); 50 1.1.2.2 thorpej static void abtn_attach __P((struct device *, struct device *, void *)); 51 1.1.2.2 thorpej static void abtn_adbcomplete __P((caddr_t, caddr_t, int)); 52 1.1.2.2 thorpej 53 1.1.2.2 thorpej struct cfattach abtn_ca = { 54 1.1.2.2 thorpej sizeof(struct abtn_softc), abtn_match, abtn_attach 55 1.1.2.2 thorpej }; 56 1.1.2.2 thorpej 57 1.1.2.2 thorpej int 58 1.1.2.2 thorpej abtn_match(parent, cf, aux) 59 1.1.2.2 thorpej struct device *parent; 60 1.1.2.2 thorpej struct cfdata *cf; 61 1.1.2.2 thorpej void *aux; 62 1.1.2.2 thorpej { 63 1.1.2.2 thorpej struct adb_attach_args *aa = aux; 64 1.1.2.2 thorpej 65 1.1.2.2 thorpej if (aa->origaddr == ADBADDR_MISC && 66 1.1.2.2 thorpej aa->handler_id == ABTN_HANDLER_ID) 67 1.1.2.2 thorpej return 1; 68 1.1.2.2 thorpej 69 1.1.2.2 thorpej return 0; 70 1.1.2.2 thorpej } 71 1.1.2.2 thorpej 72 1.1.2.2 thorpej void 73 1.1.2.2 thorpej abtn_attach(parent, self, aux) 74 1.1.2.2 thorpej struct device *parent, *self; 75 1.1.2.2 thorpej void *aux; 76 1.1.2.2 thorpej { 77 1.1.2.2 thorpej struct abtn_softc *sc = (struct abtn_softc *)self; 78 1.1.2.2 thorpej struct adb_attach_args *aa = aux; 79 1.1.2.2 thorpej ADBSetInfoBlock adbinfo; 80 1.1.2.2 thorpej int bright; 81 1.1.2.2 thorpej 82 1.1.2.2 thorpej printf("brightness/volume button\n"); 83 1.1.2.2 thorpej 84 1.1.2.2 thorpej bright = pm_read_nvram(NVRAM_BRIGHTNESS); 85 1.1.2.2 thorpej pm_set_brightness(bright); 86 1.1.2.2 thorpej sc->brightness = bright; 87 1.1.2.2 thorpej 88 1.1.2.2 thorpej sc->origaddr = aa->origaddr; 89 1.1.2.2 thorpej sc->adbaddr = aa->adbaddr; 90 1.1.2.2 thorpej sc->handler_id = aa->handler_id; 91 1.1.2.2 thorpej 92 1.1.2.2 thorpej adbinfo.siServiceRtPtr = (Ptr)abtn_adbcomplete; 93 1.1.2.2 thorpej adbinfo.siDataAreaAddr = (caddr_t)sc; 94 1.1.2.2 thorpej 95 1.1.2.2 thorpej SetADBInfo(&adbinfo, sc->adbaddr); 96 1.1.2.2 thorpej } 97 1.1.2.2 thorpej 98 1.1.2.2 thorpej void 99 1.1.2.2 thorpej abtn_adbcomplete(buffer, data, adb_command) 100 1.1.2.2 thorpej caddr_t buffer, data; 101 1.1.2.2 thorpej int adb_command; 102 1.1.2.2 thorpej { 103 1.1.2.2 thorpej struct abtn_softc *sc = (struct abtn_softc *)data; 104 1.1.2.2 thorpej u_int cmd; 105 1.1.2.2 thorpej 106 1.1.2.2 thorpej cmd = buffer[1]; 107 1.1.2.2 thorpej 108 1.1.2.2 thorpej switch (cmd) { 109 1.1.2.2 thorpej case 0x0a: 110 1.1.2.2 thorpej sc->brightness -= 8; 111 1.1.2.2 thorpej if (sc->brightness < 8) 112 1.1.2.2 thorpej sc->brightness = 8; 113 1.1.2.2 thorpej pm_set_brightness(sc->brightness); 114 1.1.2.2 thorpej pm_write_nvram(NVRAM_BRIGHTNESS, sc->brightness); 115 1.1.2.2 thorpej break; 116 1.1.2.2 thorpej 117 1.1.2.2 thorpej case 0x09: 118 1.1.2.2 thorpej sc->brightness += 8; 119 1.1.2.2 thorpej if (sc->brightness > 0x78) 120 1.1.2.2 thorpej sc->brightness = 0x78; 121 1.1.2.2 thorpej pm_set_brightness(sc->brightness); 122 1.1.2.2 thorpej pm_write_nvram(NVRAM_BRIGHTNESS, sc->brightness); 123 1.1.2.2 thorpej break; 124 1.1.2.2 thorpej } 125 1.1.2.2 thorpej } 126
Indexes created Wed Oct 22 00:09:40 GMT 2025