1 /* $NetBSD: btnmgr.c,v 1.27 2014/03/16 05:20:27 dholland 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 1.27 2014/03/16 05:20:27 dholland 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 config_hook_tag sc_hook_tag; 78 int sc_enabled; 79 device_t sc_wskbddev; 80 #ifdef WSDISPLAY_COMPAT_RAWKBD 81 int sc_rawkbd; 82 #endif 83 }; 84 85 int btnmgrmatch(device_t, cfdata_t, void *); 86 void btnmgrattach(device_t, device_t, void *); 87 const char *btnmgr_name(long); 88 static int btnmgr_hook(void *, int, long, void *); 89 90 /* 91 * global/static data 92 */ 93 CFATTACH_DECL_NEW(btnmgr, sizeof(struct btnmgr_softc), 94 btnmgrmatch, btnmgrattach, NULL, NULL); 95 96 #ifdef notyet 97 dev_type_open(btnmgropen); 98 dev_type_close(btnmgrclose); 99 dev_type_read(btnmgrread); 100 dev_type_write(btnmgrwrite); 101 dev_type_ioctl(btnmgrioctl); 102 103 const struct cdevsw btnmgr_cdevsw = { 104 .d_open = btnmgropen, 105 .d_close = btnmgrclose, 106 .d_read = btnmgrread, 107 .d_write = btnmgrwrite, 108 .d_ioctl = btnmgrioctl, 109 .d_stop = nostop, 110 .d_tty = notty, 111 .d_poll = nopoll, 112 .d_mmap = nommap, 113 .d_kqfilter = nokqfilter, 114 .d_flag = 0 115 }; 116 #endif /* notyet */ 117 118 /* wskbd accessopts */ 119 int btnmgr_wskbd_enable(void *, int); 120 void btnmgr_wskbd_set_leds(void *, int); 121 int btnmgr_wskbd_ioctl(void *, u_long, void *, int, struct lwp *); 122 123 const struct wskbd_accessops btnmgr_wskbd_accessops = { 124 btnmgr_wskbd_enable, 125 btnmgr_wskbd_set_leds, 126 btnmgr_wskbd_ioctl, 127 }; 128 129 /* button config: index by button event id */ 130 static const struct { 131 int kevent; 132 int keycode; 133 const char *name; 134 } button_config[] = { 135 /* id kevent keycode name */ 136 [CONFIG_HOOK_BUTTONEVENT_POWER] = { 0, 0, "Power" }, 137 [CONFIG_HOOK_BUTTONEVENT_OK] = { 1, 28, "OK" }, 138 [CONFIG_HOOK_BUTTONEVENT_CANCEL] = { 1, 1, "Cancel" }, 139 [CONFIG_HOOK_BUTTONEVENT_UP] = { 1, 72, "Up" }, 140 [CONFIG_HOOK_BUTTONEVENT_DOWN] = { 1, 80, "Down" }, 141 [CONFIG_HOOK_BUTTONEVENT_REC] = { 0, 0, "Rec" }, 142 [CONFIG_HOOK_BUTTONEVENT_COVER] = { 0, 0, "Cover" }, 143 [CONFIG_HOOK_BUTTONEVENT_LIGHT] = { 1, 57, "Light" }, 144 [CONFIG_HOOK_BUTTONEVENT_CONTRAST] = { 0, 0, "Contrast" }, 145 [CONFIG_HOOK_BUTTONEVENT_APP0] = { 1, 67, "Application 0" }, 146 [CONFIG_HOOK_BUTTONEVENT_APP1] = { 1, 68, "Application 1" }, 147 [CONFIG_HOOK_BUTTONEVENT_APP2] = { 1, 87, "Application 2" }, 148 [CONFIG_HOOK_BUTTONEVENT_APP3] = { 1, 88, "Application 3" }, 149 }; 150 static const int n_button_config = 151 sizeof(button_config) / sizeof(*button_config); 152 153 #define KC(n) KS_KEYCODE(n) 154 static const keysym_t btnmgr_keydesc_default[] = { 155 /* pos normal shifted */ 156 KC(1), KS_Escape, 157 KC(28), KS_Return, 158 KC(57), KS_Cmd, KS_Cmd_BacklightToggle, 159 KC(67), KS_f9, 160 KC(68), KS_f10, 161 KC(72), KS_KP_Up, 162 KC(80), KS_KP_Down, 163 KC(87), KS_f11, 164 KC(88), KS_f12, 165 }; 166 #undef KC 167 #define KBD_MAP(name, base, map) \ 168 { name, base, sizeof(map)/sizeof(keysym_t), map } 169 const struct wscons_keydesc btnmgr_keydesctab[] = { 170 KBD_MAP(KB_US, 0, btnmgr_keydesc_default), 171 {0, 0, 0, 0} 172 }; 173 #undef KBD_MAP 174 175 struct wskbd_mapdata btnmgr_keymapdata = { 176 btnmgr_keydesctab, 177 KB_US, /* XXX, This is bad idea... */ 178 }; 179 180 /* 181 * function bodies 182 */ 183 int 184 btnmgrmatch(device_t parent, cfdata_t match, void *aux) 185 { 186 struct mainbus_attach_args *ma = aux; 187 188 if (strcmp(ma->ma_name, match->cf_name)) 189 return 0; 190 191 return (1); 192 } 193 194 void 195 btnmgrattach(device_t parent, 196 device_t self, void *aux) 197 { 198 int id; 199 struct btnmgr_softc *sc = device_private(self); 200 struct wskbddev_attach_args wa; 201 202 printf("\n"); 203 204 /* 205 * install button event listener 206 */ 207 for (id = 0; id <= n_button_config; id++) 208 if (button_config[id].name != NULL) 209 sc->sc_hook_tag = config_hook(CONFIG_HOOK_BUTTONEVENT, 210 id, CONFIG_HOOK_SHARE, 211 btnmgr_hook, sc); 212 213 /* 214 * attach wskbd 215 */ 216 wa.console = 0; 217 wa.keymap = &btnmgr_keymapdata; 218 wa.accessops = &btnmgr_wskbd_accessops; 219 wa.accesscookie = sc; 220 221 sc->sc_wskbddev = config_found(self, &wa, wskbddevprint); 222 223 if (!pmf_device_register(self, NULL, NULL)) 224 aprint_error_dev(self, "unable to establish power handler\n"); 225 } 226 227 static int 228 btnmgr_hook(void *ctx, int type, long id, void *msg) 229 { 230 struct btnmgr_softc *sc = ctx; 231 232 DPRINTF(("%s button: %s\n", btnmgr_name(id), msg ? "ON" : "OFF")); 233 234 if (button_config[id].kevent) { 235 u_int evtype; 236 evtype = msg ? WSCONS_EVENT_KEY_DOWN : WSCONS_EVENT_KEY_UP; 237 #ifdef WSDISPLAY_COMPAT_RAWKBD 238 if (sc->sc_rawkbd) { 239 int n; 240 u_char data[16]; 241 n = pckbd_encode(evtype, button_config[id].keycode, 242 data); 243 wskbd_rawinput(sc->sc_wskbddev, data, n); 244 } else 245 #endif 246 wskbd_input(sc->sc_wskbddev, evtype, 247 button_config[id].keycode); 248 } 249 250 if (id == CONFIG_HOOK_BUTTONEVENT_POWER && msg) 251 config_hook_call(CONFIG_HOOK_PMEVENT, 252 CONFIG_HOOK_PMEVENT_SUSPENDREQ, NULL); 253 else if (id == CONFIG_HOOK_BUTTONEVENT_COVER) 254 config_hook_call(CONFIG_HOOK_POWERCONTROL, 255 CONFIG_HOOK_POWERCONTROL_LCDLIGHT, (void*)(msg ? 0: 1)); 256 257 return (0); 258 } 259 260 const char * 261 btnmgr_name(long id) 262 { 263 if (id < n_button_config) 264 return (button_config[id].name); 265 return ("unknown"); 266 } 267 268 int 269 btnmgr_wskbd_enable(void *scx, int on) 270 { 271 struct btnmgr_softc *sc = scx; 272 273 if (on) { 274 if (sc->sc_enabled) 275 return (EBUSY); 276 sc->sc_enabled = 1; 277 } else { 278 sc->sc_enabled = 0; 279 } 280 281 return (0); 282 } 283 284 void 285 btnmgr_wskbd_set_leds(void *scx, int leds) 286 { 287 /* 288 * We have nothing to do. 289 */ 290 } 291 292 int 293 btnmgr_wskbd_ioctl(void *scx, u_long cmd, void *data, int flag, 294 struct lwp *l) 295 { 296 #ifdef WSDISPLAY_COMPAT_RAWKBD 297 struct btnmgr_softc *sc = scx; 298 #endif 299 switch (cmd) { 300 case WSKBDIO_GTYPE: 301 *(int *)data = WSKBD_TYPE_HPC_BTN; 302 return (0); 303 case WSKBDIO_SETLEDS: 304 DPRINTF(("%s(%d): no LED\n", __FILE__, __LINE__)); 305 return (0); 306 case WSKBDIO_GETLEDS: 307 DPRINTF(("%s(%d): no LED\n", __FILE__, __LINE__)); 308 *(int *)data = 0; 309 return (0); 310 #ifdef WSDISPLAY_COMPAT_RAWKBD 311 case WSKBDIO_SETMODE: 312 sc->sc_rawkbd = (*(int *)data == WSKBD_RAW); 313 DPRINTF(("%s(%d): rawkbd is %s\n", __FILE__, __LINE__, 314 sc->sc_rawkbd ? "on" : "off")); 315 return (0); 316 #endif 317 } 318 return (EPASSTHROUGH); 319 } 320 321 #ifdef notyet 322 int 323 btnmgropen(dev_t dev, int flag, int mode, struct lwp *l) 324 { 325 return (EINVAL); 326 } 327 328 int 329 btnmgrclose(dev_t dev, int flag, int mode, struct lwp *l) 330 { 331 return (EINVAL); 332 } 333 334 int 335 btnmgrread(dev_t dev, struct uio *uio, int flag) 336 { 337 return (EINVAL); 338 } 339 340 int 341 btnmgrwrite(dev_t dev, struct uio *uio, int flag) 342 { 343 return (EINVAL); 344 } 345 346 int 347 btnmgrioctl(dev_t dev, u_long cmd, void *data, int flag, struct lwp *l) 348 { 349 return (EINVAL); 350 } 351 #endif /* notyet */ 352