1 /* $NetBSD: btnmgr.c,v 1.25 2009/05/12 14:22:39 cegger Exp $ */ 2 3 /*- 4 * Copyright (c) 1999 5 * Shin Takemura and PocketBSD Project. 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 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the PocketBSD project 18 * and its contributors. 19 * 4. Neither the name of the project nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 */ 36 37 #include <sys/cdefs.h> 38 __KERNEL_RCSID(0, "$NetBSD: btnmgr.c,v 1.25 2009/05/12 14:22:39 cegger Exp $"); 39 40 #ifdef _KERNEL_OPT 41 #include "opt_btnmgr.h" 42 #include "opt_wsdisplay_compat.h" 43 #endif 44 45 #include <sys/param.h> 46 #include <sys/systm.h> 47 #include <sys/ioctl.h> 48 #include <sys/conf.h> 49 #include <sys/device.h> 50 #include <sys/malloc.h> 51 #include <sys/kernel.h> 52 53 #include <dev/wscons/wsconsio.h> 54 #include <dev/wscons/wskbdvar.h> 55 #include <dev/wscons/wsksymdef.h> 56 #ifdef WSDISPLAY_COMPAT_RAWKBD 57 #include <dev/hpc/pckbd_encode.h> 58 #endif 59 60 #include <sys/bus.h> 61 #include <machine/autoconf.h> 62 #include <machine/config_hook.h> 63 64 #ifdef BTNMGRDEBUG 65 #ifndef BTNMGRDEBUG_CONF 66 #define BTNMGRDEBUG_CONF 0 67 #endif 68 int btnmgr_debug = BTNMGRDEBUG_CONF; 69 #define DPRINTF(arg) if (btnmgr_debug) printf arg; 70 #define DPRINTFN(n, arg) if (btnmgr_debug > (n)) printf arg; 71 #else 72 #define DPRINTF(arg) 73 #define DPRINTFN(n, arg) 74 #endif 75 76 struct btnmgr_softc { 77 struct device sc_dev; 78 config_hook_tag sc_hook_tag; 79 int sc_enabled; 80 device_t sc_wskbddev; 81 #ifdef WSDISPLAY_COMPAT_RAWKBD 82 int sc_rawkbd; 83 #endif 84 }; 85 86 int btnmgrmatch(device_t, cfdata_t, void *); 87 void btnmgrattach(device_t, device_t, void *); 88 const char *btnmgr_name(long); 89 static int btnmgr_hook(void *, int, long, void *); 90 91 /* 92 * global/static data 93 */ 94 CFATTACH_DECL(btnmgr, sizeof(struct btnmgr_softc), 95 btnmgrmatch, btnmgrattach, NULL, NULL); 96 97 #ifdef notyet 98 dev_type_open(btnmgropen); 99 dev_type_close(btnmgrclose); 100 dev_type_read(btnmgrread); 101 dev_type_write(btnmgrwrite); 102 dev_type_ioctl(btnmgrioctl); 103 104 const struct cdevsw btnmgr_cdevsw = { 105 btnmgropen, btnmgrclose, btnmgrread, btnmgrwrite, btnmgrioctl, 106 nostop, notty, nopoll, nommap, nokqfilter, 107 }; 108 #endif /* notyet */ 109 110 /* wskbd accessopts */ 111 int btnmgr_wskbd_enable(void *, int); 112 void btnmgr_wskbd_set_leds(void *, int); 113 int btnmgr_wskbd_ioctl(void *, u_long, void *, int, struct lwp *); 114 115 const struct wskbd_accessops btnmgr_wskbd_accessops = { 116 btnmgr_wskbd_enable, 117 btnmgr_wskbd_set_leds, 118 btnmgr_wskbd_ioctl, 119 }; 120 121 /* button config: index by button event id */ 122 static const struct { 123 int kevent; 124 int keycode; 125 const char *name; 126 } button_config[] = { 127 /* id kevent keycode name */ 128 [CONFIG_HOOK_BUTTONEVENT_POWER] = { 0, 0, "Power" }, 129 [CONFIG_HOOK_BUTTONEVENT_OK] = { 1, 28, "OK" }, 130 [CONFIG_HOOK_BUTTONEVENT_CANCEL] = { 1, 1, "Cancel" }, 131 [CONFIG_HOOK_BUTTONEVENT_UP] = { 1, 72, "Up" }, 132 [CONFIG_HOOK_BUTTONEVENT_DOWN] = { 1, 80, "Down" }, 133 [CONFIG_HOOK_BUTTONEVENT_REC] = { 0, 0, "Rec" }, 134 [CONFIG_HOOK_BUTTONEVENT_COVER] = { 0, 0, "Cover" }, 135 [CONFIG_HOOK_BUTTONEVENT_LIGHT] = { 1, 57, "Light" }, 136 [CONFIG_HOOK_BUTTONEVENT_CONTRAST] = { 0, 0, "Contrast" }, 137 [CONFIG_HOOK_BUTTONEVENT_APP0] = { 1, 67, "Application 0" }, 138 [CONFIG_HOOK_BUTTONEVENT_APP1] = { 1, 68, "Application 1" }, 139 [CONFIG_HOOK_BUTTONEVENT_APP2] = { 1, 87, "Application 2" }, 140 [CONFIG_HOOK_BUTTONEVENT_APP3] = { 1, 88, "Application 3" }, 141 }; 142 static const int n_button_config = 143 sizeof(button_config) / sizeof(*button_config); 144 145 #define KC(n) KS_KEYCODE(n) 146 static const keysym_t btnmgr_keydesc_default[] = { 147 /* pos normal shifted */ 148 KC(1), KS_Escape, 149 KC(28), KS_Return, 150 KC(57), KS_Cmd, KS_Cmd_BacklightToggle, 151 KC(67), KS_f9, 152 KC(68), KS_f10, 153 KC(72), KS_KP_Up, 154 KC(80), KS_KP_Down, 155 KC(87), KS_f11, 156 KC(88), KS_f12, 157 }; 158 #undef KC 159 #define KBD_MAP(name, base, map) \ 160 { name, base, sizeof(map)/sizeof(keysym_t), map } 161 const struct wscons_keydesc btnmgr_keydesctab[] = { 162 KBD_MAP(KB_US, 0, btnmgr_keydesc_default), 163 {0, 0, 0, 0} 164 }; 165 #undef KBD_MAP 166 167 struct wskbd_mapdata btnmgr_keymapdata = { 168 btnmgr_keydesctab, 169 KB_US, /* XXX, This is bad idea... */ 170 }; 171 172 /* 173 * function bodies 174 */ 175 int 176 btnmgrmatch(device_t parent, cfdata_t match, void *aux) 177 { 178 struct mainbus_attach_args *ma = aux; 179 180 if (strcmp(ma->ma_name, match->cf_name)) 181 return 0; 182 183 return (1); 184 } 185 186 void 187 btnmgrattach(device_t parent, 188 device_t self, void *aux) 189 { 190 int id; 191 struct btnmgr_softc *sc = device_private(self); 192 struct wskbddev_attach_args wa; 193 194 printf("\n"); 195 196 /* 197 * install button event listener 198 */ 199 for (id = 0; id <= n_button_config; id++) 200 if (button_config[id].name != NULL) 201 sc->sc_hook_tag = config_hook(CONFIG_HOOK_BUTTONEVENT, 202 id, CONFIG_HOOK_SHARE, 203 btnmgr_hook, sc); 204 205 /* 206 * attach wskbd 207 */ 208 wa.console = 0; 209 wa.keymap = &btnmgr_keymapdata; 210 wa.accessops = &btnmgr_wskbd_accessops; 211 wa.accesscookie = sc; 212 213 sc->sc_wskbddev = config_found(self, &wa, wskbddevprint); 214 215 if (!pmf_device_register(self, NULL, NULL)) 216 aprint_error_dev(self, "unable to establish power handler\n"); 217 } 218 219 static int 220 btnmgr_hook(void *ctx, int type, long id, void *msg) 221 { 222 struct btnmgr_softc *sc = ctx; 223 224 DPRINTF(("%s button: %s\n", btnmgr_name(id), msg ? "ON" : "OFF")); 225 226 if (button_config[id].kevent) { 227 u_int evtype; 228 evtype = msg ? WSCONS_EVENT_KEY_DOWN : WSCONS_EVENT_KEY_UP; 229 #ifdef WSDISPLAY_COMPAT_RAWKBD 230 if (sc->sc_rawkbd) { 231 int n; 232 u_char data[16]; 233 n = pckbd_encode(evtype, button_config[id].keycode, 234 data); 235 wskbd_rawinput(sc->sc_wskbddev, data, n); 236 } else 237 #endif 238 wskbd_input(sc->sc_wskbddev, evtype, 239 button_config[id].keycode); 240 } 241 242 if (id == CONFIG_HOOK_BUTTONEVENT_POWER && msg) 243 config_hook_call(CONFIG_HOOK_PMEVENT, 244 CONFIG_HOOK_PMEVENT_SUSPENDREQ, NULL); 245 else if (id == CONFIG_HOOK_BUTTONEVENT_COVER) 246 config_hook_call(CONFIG_HOOK_POWERCONTROL, 247 CONFIG_HOOK_POWERCONTROL_LCDLIGHT, (void*)(msg ? 0: 1)); 248 249 return (0); 250 } 251 252 const char * 253 btnmgr_name(long id) 254 { 255 if (id < n_button_config) 256 return (button_config[id].name); 257 return ("unknown"); 258 } 259 260 int 261 btnmgr_wskbd_enable(void *scx, int on) 262 { 263 struct btnmgr_softc *sc = scx; 264 265 if (on) { 266 if (sc->sc_enabled) 267 return (EBUSY); 268 sc->sc_enabled = 1; 269 } else { 270 sc->sc_enabled = 0; 271 } 272 273 return (0); 274 } 275 276 void 277 btnmgr_wskbd_set_leds(void *scx, int leds) 278 { 279 /* 280 * We have nothing to do. 281 */ 282 } 283 284 int 285 btnmgr_wskbd_ioctl(void *scx, u_long cmd, void *data, int flag, 286 struct lwp *l) 287 { 288 #ifdef WSDISPLAY_COMPAT_RAWKBD 289 struct btnmgr_softc *sc = scx; 290 #endif 291 switch (cmd) { 292 case WSKBDIO_GTYPE: 293 *(int *)data = WSKBD_TYPE_HPC_BTN; 294 return (0); 295 case WSKBDIO_SETLEDS: 296 DPRINTF(("%s(%d): no LED\n", __FILE__, __LINE__)); 297 return (0); 298 case WSKBDIO_GETLEDS: 299 DPRINTF(("%s(%d): no LED\n", __FILE__, __LINE__)); 300 *(int *)data = 0; 301 return (0); 302 #ifdef WSDISPLAY_COMPAT_RAWKBD 303 case WSKBDIO_SETMODE: 304 sc->sc_rawkbd = (*(int *)data == WSKBD_RAW); 305 DPRINTF(("%s(%d): rawkbd is %s\n", __FILE__, __LINE__, 306 sc->sc_rawkbd ? "on" : "off")); 307 return (0); 308 #endif 309 } 310 return (EPASSTHROUGH); 311 } 312 313 #ifdef notyet 314 int 315 btnmgropen(dev_t dev, int flag, int mode, struct lwp *l) 316 { 317 return (EINVAL); 318 } 319 320 int 321 btnmgrclose(dev_t dev, int flag, int mode, struct lwp *l) 322 { 323 return (EINVAL); 324 } 325 326 int 327 btnmgrread(dev_t dev, struct uio *uio, int flag) 328 { 329 return (EINVAL); 330 } 331 332 int 333 btnmgrwrite(dev_t dev, struct uio *uio, int flag) 334 { 335 return (EINVAL); 336 } 337 338 int 339 btnmgrioctl(dev_t dev, u_long cmd, void *data, int flag, struct lwp *l) 340 { 341 return (EINVAL); 342 } 343 #endif /* notyet */ 344