1 /* $NetBSD: abtn.c,v 1.17 2009/03/14 21:04:11 dsl Exp $ */ 2 3 /*- 4 * Copyright (C) 1999 Tsubai Masanari. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: abtn.c,v 1.17 2009/03/14 21:04:11 dsl Exp $"); 31 32 #include <sys/param.h> 33 #include <sys/device.h> 34 #include <sys/systm.h> 35 36 #include <macppc/dev/akbdvar.h> 37 #include <macppc/dev/adbvar.h> 38 #include <macppc/dev/pm_direct.h> 39 40 #define NVRAM_BRIGHTNESS 0x140e 41 #define ABTN_HANDLER_ID 31 42 43 #define BUTTON_LOUDER 0x06 44 #define BUTTON_SOFTER 0x07 45 #define BUTTON_MUTE 0x08 46 #define BUTTON_BRIGHTER 0x09 47 #define BUTTON_DIMMER 0x0a 48 #define BUTTON_EJECT 0x0b 49 #define BUTTON_DISPLAY 0x0c 50 #define BUTTON_KEYPAD 0x7f 51 #define BUTTON_DEPRESS 0x80 52 53 struct abtn_softc { 54 struct device sc_dev; 55 56 int origaddr; /* ADB device type */ 57 int adbaddr; /* current ADB address */ 58 int handler_id; 59 60 int brightness; /* backlight brightness */ 61 int volume; /* speaker volume (not yet) */ 62 }; 63 64 static int abtn_match(struct device *, struct cfdata *, void *); 65 static void abtn_attach(struct device *, struct device *, void *); 66 static void abtn_adbcomplete(uint8_t *, uint8_t *, int); 67 68 CFATTACH_DECL(abtn, sizeof(struct abtn_softc), 69 abtn_match, abtn_attach, NULL, NULL); 70 71 int 72 abtn_match(struct device *parent, struct cfdata *cf, void *aux) 73 { 74 struct adb_attach_args *aa = aux; 75 76 if (aa->origaddr == ADBADDR_MISC && 77 aa->handler_id == ABTN_HANDLER_ID) 78 return 1; 79 80 return 0; 81 } 82 83 void 84 abtn_attach(struct device *parent, struct device *self, void *aux) 85 { 86 struct abtn_softc *sc = (struct abtn_softc *)self; 87 struct adb_attach_args *aa = aux; 88 ADBSetInfoBlock adbinfo; 89 int bright; 90 91 printf("buttons\n"); 92 93 bright = pm_read_nvram(NVRAM_BRIGHTNESS); 94 if (bright != 0) 95 pm_set_brightness(bright); 96 sc->brightness = bright; 97 98 sc->origaddr = aa->origaddr; 99 sc->adbaddr = aa->adbaddr; 100 sc->handler_id = aa->handler_id; 101 102 adbinfo.siServiceRtPtr = (Ptr)abtn_adbcomplete; 103 adbinfo.siDataAreaAddr = (void *)sc; 104 105 SetADBInfo(&adbinfo, sc->adbaddr); 106 } 107 108 extern struct cfdriver akbd_cd; 109 110 void 111 abtn_adbcomplete(uint8_t *buffer, uint8_t *data, int adb_command) 112 { 113 struct abtn_softc *sc = (struct abtn_softc *)data; 114 u_int cmd; 115 #ifdef FORCE_FUNCTION_KEYS 116 int key = 0; 117 #endif 118 119 cmd = buffer[1]; 120 121 #ifdef FORCE_FUNCTION_KEYS 122 switch (cmd & 0x7f) { 123 case 0x0a: /* f1 */ 124 key = 122; 125 break; 126 case 0x09: /* f2 */ 127 key = 120; 128 break; 129 case 0x08: /* f3 */ 130 key = 99; 131 break; 132 case 0x07: /* f4 */ 133 key = 118; 134 break; 135 case 0x06: /* f5 */ 136 key = 96; 137 break; 138 case 0x7f: /* f6 */ 139 key = 97; 140 break; 141 case 0x0b: /* f12 */ 142 key = 111; 143 break; 144 } 145 if (key != 0) { 146 key |= cmd & 0x80; 147 kbd_passup(device_lookup_private(&akbd_cd, 0),key); 148 return; 149 } 150 #endif 151 152 if (cmd >= BUTTON_DEPRESS) 153 return; 154 155 switch (cmd) { 156 case BUTTON_DIMMER: 157 sc->brightness -= 8; 158 if (sc->brightness < 8) 159 sc->brightness = 8; 160 pm_set_brightness(sc->brightness); 161 pm_write_nvram(NVRAM_BRIGHTNESS, sc->brightness); 162 break; 163 164 case BUTTON_BRIGHTER: 165 sc->brightness += 8; 166 if (sc->brightness > 0x78) 167 sc->brightness = 0x78; 168 pm_set_brightness(sc->brightness); 169 pm_write_nvram(NVRAM_BRIGHTNESS, sc->brightness); 170 break; 171 172 case BUTTON_MUTE: 173 case BUTTON_SOFTER: 174 case BUTTON_LOUDER: 175 printf("%s: volume setting not implemented\n", 176 sc->sc_dev.dv_xname); 177 break; 178 case BUTTON_DISPLAY: 179 printf("%s: display selection not implemented\n", 180 sc->sc_dev.dv_xname); 181 break; 182 case BUTTON_EJECT: 183 printf("%s: eject not implemented\n", 184 sc->sc_dev.dv_xname); 185 break; 186 187 /* The keyboard gets wacky when in keypad mode. */ 188 case BUTTON_KEYPAD: 189 break; 190 191 default: 192 printf("%s: unknown button 0x%x\n", 193 sc->sc_dev.dv_xname, cmd); 194 } 195 } 196