abtn.c revision 1.16
1 /* $NetBSD: abtn.c,v 1.16 2009/03/14 15:36:09 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 1.16 2009/03/14 15:36:09 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(parent, self, aux) 85 struct device *parent, *self; 86 void *aux; 87 { 88 struct abtn_softc *sc = (struct abtn_softc *)self; 89 struct adb_attach_args *aa = aux; 90 ADBSetInfoBlock adbinfo; 91 int bright; 92 93 printf("buttons\n"); 94 95 bright = pm_read_nvram(NVRAM_BRIGHTNESS); 96 if (bright != 0) 97 pm_set_brightness(bright); 98 sc->brightness = bright; 99 100 sc->origaddr = aa->origaddr; 101 sc->adbaddr = aa->adbaddr; 102 sc->handler_id = aa->handler_id; 103 104 adbinfo.siServiceRtPtr = (Ptr)abtn_adbcomplete; 105 adbinfo.siDataAreaAddr = (void *)sc; 106 107 SetADBInfo(&adbinfo, sc->adbaddr); 108 } 109 110 extern struct cfdriver akbd_cd; 111 112 void 113 abtn_adbcomplete(buffer, data, adb_command) 114 uint8_t *buffer, *data; 115 int adb_command; 116 { 117 struct abtn_softc *sc = (struct abtn_softc *)data; 118 u_int cmd; 119 #ifdef FORCE_FUNCTION_KEYS 120 int key = 0; 121 #endif 122 123 cmd = buffer[1]; 124 125 #ifdef FORCE_FUNCTION_KEYS 126 switch (cmd & 0x7f) { 127 case 0x0a: /* f1 */ 128 key = 122; 129 break; 130 case 0x09: /* f2 */ 131 key = 120; 132 break; 133 case 0x08: /* f3 */ 134 key = 99; 135 break; 136 case 0x07: /* f4 */ 137 key = 118; 138 break; 139 case 0x06: /* f5 */ 140 key = 96; 141 break; 142 case 0x7f: /* f6 */ 143 key = 97; 144 break; 145 case 0x0b: /* f12 */ 146 key = 111; 147 break; 148 } 149 if (key != 0) { 150 key |= cmd & 0x80; 151 kbd_passup(device_lookup_private(&akbd_cd, 0),key); 152 return; 153 } 154 #endif 155 156 if (cmd >= BUTTON_DEPRESS) 157 return; 158 159 switch (cmd) { 160 case BUTTON_DIMMER: 161 sc->brightness -= 8; 162 if (sc->brightness < 8) 163 sc->brightness = 8; 164 pm_set_brightness(sc->brightness); 165 pm_write_nvram(NVRAM_BRIGHTNESS, sc->brightness); 166 break; 167 168 case BUTTON_BRIGHTER: 169 sc->brightness += 8; 170 if (sc->brightness > 0x78) 171 sc->brightness = 0x78; 172 pm_set_brightness(sc->brightness); 173 pm_write_nvram(NVRAM_BRIGHTNESS, sc->brightness); 174 break; 175 176 case BUTTON_MUTE: 177 case BUTTON_SOFTER: 178 case BUTTON_LOUDER: 179 printf("%s: volume setting not implemented\n", 180 sc->sc_dev.dv_xname); 181 break; 182 case BUTTON_DISPLAY: 183 printf("%s: display selection not implemented\n", 184 sc->sc_dev.dv_xname); 185 break; 186 case BUTTON_EJECT: 187 printf("%s: eject not implemented\n", 188 sc->sc_dev.dv_xname); 189 break; 190 191 /* The keyboard gets wacky when in keypad mode. */ 192 case BUTTON_KEYPAD: 193 break; 194 195 default: 196 printf("%s: unknown button 0x%x\n", 197 sc->sc_dev.dv_xname, cmd); 198 } 199 } 200
Indexes created Wed Oct 22 13:09:56 GMT 2025