zrc.c revision 1.2.4.2
1 1.2.4.2 yamt /* $NetBSD: zrc.c,v 1.2.4.2 2006/12/30 20:47:28 yamt Exp $ */ 2 1.2.4.2 yamt /* $OpenBSD: zaurus_remote.c,v 1.1 2005/11/17 05:26:31 uwe Exp $ */ 3 1.2.4.2 yamt 4 1.2.4.2 yamt /* 5 1.2.4.2 yamt * Copyright (c) 2005 Uwe Stuehler <uwe (at) openbsd.org> 6 1.2.4.2 yamt * 7 1.2.4.2 yamt * Permission to use, copy, modify, and distribute this software for any 8 1.2.4.2 yamt * purpose with or without fee is hereby granted, provided that the above 9 1.2.4.2 yamt * copyright notice and this permission notice appear in all copies. 10 1.2.4.2 yamt * 11 1.2.4.2 yamt * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12 1.2.4.2 yamt * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13 1.2.4.2 yamt * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14 1.2.4.2 yamt * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15 1.2.4.2 yamt * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16 1.2.4.2 yamt * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17 1.2.4.2 yamt * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18 1.2.4.2 yamt */ 19 1.2.4.2 yamt 20 1.2.4.2 yamt #include <sys/cdefs.h> 21 1.2.4.2 yamt __KERNEL_RCSID(0, "$NetBSD: zrc.c,v 1.2.4.2 2006/12/30 20:47:28 yamt Exp $"); 22 1.2.4.2 yamt 23 1.2.4.2 yamt #include <sys/param.h> 24 1.2.4.2 yamt #include <sys/device.h> 25 1.2.4.2 yamt #include <sys/kernel.h> 26 1.2.4.2 yamt #include <sys/callout.h> 27 1.2.4.2 yamt #include <sys/systm.h> 28 1.2.4.2 yamt 29 1.2.4.2 yamt #include <dev/wscons/wsconsio.h> 30 1.2.4.2 yamt #include <dev/wscons/wskbdvar.h> 31 1.2.4.2 yamt #include <dev/wscons/wsksymdef.h> 32 1.2.4.2 yamt #include <dev/wscons/wsksymvar.h> 33 1.2.4.2 yamt 34 1.2.4.2 yamt #include <arm/xscale/pxa2x0reg.h> 35 1.2.4.2 yamt #include <arm/xscale/pxa2x0_gpio.h> 36 1.2.4.2 yamt 37 1.2.4.2 yamt #include <machine/intr.h> 38 1.2.4.2 yamt 39 1.2.4.2 yamt #include <zaurus/dev/scoopvar.h> 40 1.2.4.2 yamt #include <zaurus/dev/zsspvar.h> 41 1.2.4.2 yamt #include <zaurus/zaurus/zaurus_reg.h> 42 1.2.4.2 yamt #include <zaurus/zaurus/zaurus_var.h> 43 1.2.4.2 yamt 44 1.2.4.2 yamt #define RESCAN_INTERVAL (hz/100) 45 1.2.4.2 yamt 46 1.2.4.2 yamt #define KEY_RELEASE 0 /* button release */ 47 1.2.4.2 yamt #define KEY_VOL_DOWN 1 48 1.2.4.2 yamt #define KEY_MUTE 2 49 1.2.4.2 yamt #define KEY_REWIND 3 50 1.2.4.2 yamt #define KEY_VOL_UP 4 51 1.2.4.2 yamt #define KEY_FORWARD 5 52 1.2.4.2 yamt #define KEY_PLAY 6 53 1.2.4.2 yamt #define KEY_STOP 7 54 1.2.4.2 yamt #define KEY_EARPHONE 8 55 1.2.4.2 yamt 56 1.2.4.2 yamt #ifdef DEBUG 57 1.2.4.2 yamt static const char *zrc_keyname[] = { 58 1.2.4.2 yamt "(release)", "volume down", "mute", "rewind", "volume up", 59 1.2.4.2 yamt "forward", "play", "stop", "(earphone)" 60 1.2.4.2 yamt }; 61 1.2.4.2 yamt #endif 62 1.2.4.2 yamt 63 1.2.4.2 yamt struct zrc_akey { 64 1.2.4.2 yamt int min; /* minimum ADC value or INT_MIN */ 65 1.2.4.2 yamt int key; /* remote control key number */ 66 1.2.4.2 yamt }; 67 1.2.4.2 yamt 68 1.2.4.2 yamt /* Values match the resistors in the CE-RH2 remote control. */ 69 1.2.4.2 yamt static const struct zrc_akey zrc_akeytab_c3000[] = { 70 1.2.4.2 yamt { 238, KEY_RELEASE }, 71 1.2.4.2 yamt { 202, KEY_VOL_DOWN }, 72 1.2.4.2 yamt { 168, KEY_MUTE }, 73 1.2.4.2 yamt { 135, KEY_REWIND }, 74 1.2.4.2 yamt { 105, KEY_VOL_UP }, 75 1.2.4.2 yamt { 74, KEY_FORWARD }, 76 1.2.4.2 yamt { 42, KEY_PLAY }, 77 1.2.4.2 yamt { 12, KEY_STOP }, 78 1.2.4.2 yamt { INT_MIN, KEY_EARPHONE } 79 1.2.4.2 yamt }; 80 1.2.4.2 yamt 81 1.2.4.2 yamt static const struct zrc_akey *zrc_akeytab = zrc_akeytab_c3000; 82 1.2.4.2 yamt 83 1.2.4.2 yamt struct zrc_softc { 84 1.2.4.2 yamt struct device sc_dev; 85 1.2.4.2 yamt struct callout sc_to; 86 1.2.4.2 yamt void *sc_ih; 87 1.2.4.2 yamt int sc_key; /* being scanned */ 88 1.2.4.2 yamt int sc_scans; /* rescan counter */ 89 1.2.4.2 yamt int sc_noise; /* discard if too noisy? */ 90 1.2.4.2 yamt int sc_keydown; /* currently pressed key */ 91 1.2.4.2 yamt struct device *sc_wskbddev; 92 1.2.4.2 yamt #ifdef WSDISPLAY_COMPAT_RAWKBD 93 1.2.4.2 yamt int sc_rawkbd; 94 1.2.4.2 yamt #endif 95 1.2.4.2 yamt }; 96 1.2.4.2 yamt 97 1.2.4.2 yamt static int zrc_match(struct device *, struct cfdata *, void *); 98 1.2.4.2 yamt static void zrc_attach(struct device *, struct device *, void *); 99 1.2.4.2 yamt 100 1.2.4.2 yamt CFATTACH_DECL(zrc, sizeof(struct zrc_softc), 101 1.2.4.2 yamt zrc_match, zrc_attach, NULL, NULL); 102 1.2.4.2 yamt 103 1.2.4.2 yamt static int zrc_intr(void *); 104 1.2.4.2 yamt static void zrc_timeout(void *); 105 1.2.4.2 yamt static int zrc_scan(void); 106 1.2.4.2 yamt static void zrc_input(struct zrc_softc *, int, int); 107 1.2.4.2 yamt 108 1.2.4.2 yamt static int zrc_enable(void *, int); 109 1.2.4.2 yamt static void zrc_set_leds(void *, int); 110 1.2.4.2 yamt static int zrc_ioctl(void *, u_long, caddr_t, int, struct lwp *); 111 1.2.4.2 yamt 112 1.2.4.2 yamt struct wskbd_accessops zrc_accessops = { 113 1.2.4.2 yamt zrc_enable, 114 1.2.4.2 yamt zrc_set_leds, 115 1.2.4.2 yamt zrc_ioctl, 116 1.2.4.2 yamt }; 117 1.2.4.2 yamt 118 1.2.4.2 yamt #define KC(n) KS_KEYCODE(n) 119 1.2.4.2 yamt 120 1.2.4.2 yamt /* XXX what keys should be generated in translated mode? */ 121 1.2.4.2 yamt static const keysym_t zrc_keydesc[] = { 122 1.2.4.2 yamt KC(KEY_VOL_DOWN), KS_minus, 123 1.2.4.2 yamt KC(KEY_MUTE), KS_m, 124 1.2.4.2 yamt KC(KEY_REWIND), KS_b, 125 1.2.4.2 yamt KC(KEY_VOL_UP), KS_plus, 126 1.2.4.2 yamt KC(KEY_FORWARD), KS_f, 127 1.2.4.2 yamt KC(KEY_PLAY), KS_p, 128 1.2.4.2 yamt KC(KEY_STOP), KS_s, 129 1.2.4.2 yamt }; 130 1.2.4.2 yamt 131 1.2.4.2 yamt #ifdef WSDISPLAY_COMPAT_RAWKBD 132 1.2.4.2 yamt #define RAWKEY_AudioRewind 0xa0 133 1.2.4.2 yamt #define RAWKEY_AudioForward 0xa1 134 1.2.4.2 yamt #define RAWKEY_AudioPlay 0xa2 135 1.2.4.2 yamt #define RAWKEY_AudioStop 0xa3 136 1.2.4.2 yamt static const keysym_t zrc_xt_keymap[] = { 137 1.2.4.2 yamt /* KC(KEY_RELEASE), */ RAWKEY_Null, 138 1.2.4.2 yamt /* KC(KEY_VOL_DOWN), */ RAWKEY_AudioLower, 139 1.2.4.2 yamt /* KC(KEY_MUTE), */ RAWKEY_AudioMute, 140 1.2.4.2 yamt /* KC(KEY_REWIND), */ RAWKEY_AudioRewind, 141 1.2.4.2 yamt /* KC(KEY_VOL_UP), */ RAWKEY_AudioRaise, 142 1.2.4.2 yamt /* KC(KEY_FORWARD), */ RAWKEY_AudioForward, 143 1.2.4.2 yamt /* KC(KEY_PLAY), */ RAWKEY_AudioPlay, 144 1.2.4.2 yamt /* KC(KEY_STOP), */ RAWKEY_AudioStop, 145 1.2.4.2 yamt }; 146 1.2.4.2 yamt #endif 147 1.2.4.2 yamt 148 1.2.4.2 yamt static const struct wscons_keydesc zrc_keydesctab[] = { 149 1.2.4.2 yamt {KB_US, 0, sizeof(zrc_keydesc)/sizeof(keysym_t), zrc_keydesc}, 150 1.2.4.2 yamt {0, 0, 0, 0} 151 1.2.4.2 yamt }; 152 1.2.4.2 yamt 153 1.2.4.2 yamt struct wskbd_mapdata zrc_keymapdata = { 154 1.2.4.2 yamt zrc_keydesctab, KB_US 155 1.2.4.2 yamt }; 156 1.2.4.2 yamt 157 1.2.4.2 yamt #undef KC 158 1.2.4.2 yamt 159 1.2.4.2 yamt static int 160 1.2.4.2 yamt zrc_match(struct device *parent, struct cfdata *cf, void *aux) 161 1.2.4.2 yamt { 162 1.2.4.2 yamt 163 1.2.4.2 yamt if (ZAURUS_ISC3000) 164 1.2.4.2 yamt return 1; 165 1.2.4.2 yamt return 0; 166 1.2.4.2 yamt } 167 1.2.4.2 yamt 168 1.2.4.2 yamt static void 169 1.2.4.2 yamt zrc_attach(struct device *parent, struct device *self, void *aux) 170 1.2.4.2 yamt { 171 1.2.4.2 yamt struct zrc_softc *sc = (struct zrc_softc *)self; 172 1.2.4.2 yamt struct wskbddev_attach_args a; 173 1.2.4.2 yamt 174 1.2.4.2 yamt /* Configure remote control interrupt handling. */ 175 1.2.4.2 yamt callout_init(&sc->sc_to); 176 1.2.4.2 yamt callout_setfunc(&sc->sc_to, zrc_timeout, sc); 177 1.2.4.2 yamt pxa2x0_gpio_set_function(C3000_RC_IRQ_PIN, GPIO_IN); 178 1.2.4.2 yamt sc->sc_ih = pxa2x0_gpio_intr_establish(C3000_RC_IRQ_PIN, 179 1.2.4.2 yamt IST_EDGE_BOTH, IPL_BIO, zrc_intr, sc); 180 1.2.4.2 yamt 181 1.2.4.2 yamt /* Enable the pullup while waiting for an interrupt. */ 182 1.2.4.2 yamt scoop_akin_pullup(1); 183 1.2.4.2 yamt 184 1.2.4.2 yamt sc->sc_keydown = KEY_RELEASE; 185 1.2.4.2 yamt 186 1.2.4.2 yamt printf(": CE-RH2 remote control\n"); 187 1.2.4.2 yamt 188 1.2.4.2 yamt a.console = 0; 189 1.2.4.2 yamt a.keymap = &zrc_keymapdata; 190 1.2.4.2 yamt a.accessops = &zrc_accessops; 191 1.2.4.2 yamt a.accesscookie = sc; 192 1.2.4.2 yamt 193 1.2.4.2 yamt sc->sc_wskbddev = config_found(self, &a, wskbddevprint); 194 1.2.4.2 yamt } 195 1.2.4.2 yamt 196 1.2.4.2 yamt static int 197 1.2.4.2 yamt zrc_intr(void *v) 198 1.2.4.2 yamt { 199 1.2.4.2 yamt struct zrc_softc *sc = v; 200 1.2.4.2 yamt 201 1.2.4.2 yamt /* just return if remote control isn't present */ 202 1.2.4.2 yamt 203 1.2.4.2 yamt pxa2x0_gpio_intr_mask(sc->sc_ih); 204 1.2.4.2 yamt scoop_akin_pullup(0); 205 1.2.4.2 yamt sc->sc_key = zrc_scan(); 206 1.2.4.2 yamt sc->sc_scans = 0; 207 1.2.4.2 yamt sc->sc_noise = 0; 208 1.2.4.2 yamt callout_schedule(&sc->sc_to, RESCAN_INTERVAL); 209 1.2.4.2 yamt 210 1.2.4.2 yamt return 1; 211 1.2.4.2 yamt } 212 1.2.4.2 yamt 213 1.2.4.2 yamt static void 214 1.2.4.2 yamt zrc_timeout(void *v) 215 1.2.4.2 yamt { 216 1.2.4.2 yamt struct zrc_softc *sc = v; 217 1.2.4.2 yamt int key; 218 1.2.4.2 yamt 219 1.2.4.2 yamt key = zrc_scan(); 220 1.2.4.2 yamt switch (sc->sc_scans) { 221 1.2.4.2 yamt case 0: 222 1.2.4.2 yamt case 1: 223 1.2.4.2 yamt case 2: 224 1.2.4.2 yamt /* wait for a stable read */ 225 1.2.4.2 yamt if (sc->sc_key == key) 226 1.2.4.2 yamt sc->sc_scans++; 227 1.2.4.2 yamt else { 228 1.2.4.2 yamt sc->sc_key = key; 229 1.2.4.2 yamt sc->sc_scans = 0; 230 1.2.4.2 yamt sc->sc_noise++; 231 1.2.4.2 yamt } 232 1.2.4.2 yamt callout_schedule(&sc->sc_to, RESCAN_INTERVAL); 233 1.2.4.2 yamt break; 234 1.2.4.2 yamt case 3: 235 1.2.4.2 yamt /* generate key press event */ 236 1.2.4.2 yamt if (sc->sc_key != key) { 237 1.2.4.2 yamt key = sc->sc_key; 238 1.2.4.2 yamt sc->sc_noise++; 239 1.2.4.2 yamt } 240 1.2.4.2 yamt sc->sc_scans++; 241 1.2.4.2 yamt switch (key) { 242 1.2.4.2 yamt case KEY_EARPHONE: 243 1.2.4.2 yamt case KEY_RELEASE: 244 1.2.4.2 yamt sc->sc_scans = 6; 245 1.2.4.2 yamt break; 246 1.2.4.2 yamt default: 247 1.2.4.2 yamt #ifdef DEBUG 248 1.2.4.2 yamt printf("%s pressed (%d noise)\n", zrc_keyname[key], 249 1.2.4.2 yamt sc->sc_noise); 250 1.2.4.2 yamt #endif 251 1.2.4.2 yamt sc->sc_keydown = key; 252 1.2.4.2 yamt sc->sc_noise = 0; 253 1.2.4.2 yamt zrc_input(sc, key, 1); 254 1.2.4.2 yamt break; 255 1.2.4.2 yamt } 256 1.2.4.2 yamt callout_schedule(&sc->sc_to, RESCAN_INTERVAL); 257 1.2.4.2 yamt break; 258 1.2.4.2 yamt case 4: 259 1.2.4.2 yamt case 5: 260 1.2.4.2 yamt /* wait for key release, permit noise */ 261 1.2.4.2 yamt if (sc->sc_key == key) { 262 1.2.4.2 yamt if (sc->sc_scans == 5) 263 1.2.4.2 yamt sc->sc_noise++; 264 1.2.4.2 yamt sc->sc_scans = 4; 265 1.2.4.2 yamt } else 266 1.2.4.2 yamt sc->sc_scans++; 267 1.2.4.2 yamt callout_schedule(&sc->sc_to, RESCAN_INTERVAL); 268 1.2.4.2 yamt break; 269 1.2.4.2 yamt case 6: 270 1.2.4.2 yamt /* generate key release event */ 271 1.2.4.2 yamt if (sc->sc_keydown != KEY_RELEASE) { 272 1.2.4.2 yamt zrc_input(sc, sc->sc_keydown, 0); 273 1.2.4.2 yamt #ifdef DEBUG 274 1.2.4.2 yamt printf("%s released (%d noise)\n", 275 1.2.4.2 yamt zrc_keyname[sc->sc_keydown], sc->sc_noise); 276 1.2.4.2 yamt #endif 277 1.2.4.2 yamt sc->sc_keydown = KEY_RELEASE; 278 1.2.4.2 yamt } 279 1.2.4.2 yamt /* FALLTHROUGH */ 280 1.2.4.2 yamt default: 281 1.2.4.2 yamt /* unmask interrupt again */ 282 1.2.4.2 yamt callout_stop(&sc->sc_to); 283 1.2.4.2 yamt sc->sc_scans = 7; 284 1.2.4.2 yamt scoop_akin_pullup(1); 285 1.2.4.2 yamt pxa2x0_gpio_intr_unmask(sc->sc_ih); 286 1.2.4.2 yamt } 287 1.2.4.2 yamt } 288 1.2.4.2 yamt 289 1.2.4.2 yamt static int 290 1.2.4.2 yamt zrc_scan(void) 291 1.2.4.2 yamt { 292 1.2.4.2 yamt int val; 293 1.2.4.2 yamt int i; 294 1.2.4.2 yamt 295 1.2.4.2 yamt /* XXX MAX1111 command word - also appears in zaurus_apm.c */ 296 1.2.4.2 yamt #define MAXCTRL_PD0 (1<<0) 297 1.2.4.2 yamt #define MAXCTRL_PD1 (1<<1) 298 1.2.4.2 yamt #define MAXCTRL_SGL (1<<2) 299 1.2.4.2 yamt #define MAXCTRL_UNI (1<<3) 300 1.2.4.2 yamt #define MAXCTRL_SEL_SHIFT 4 301 1.2.4.2 yamt #define MAXCTRL_STR (1<<7) 302 1.2.4.2 yamt 303 1.2.4.2 yamt #define C3000_ADCCH_ZRC 0 304 1.2.4.2 yamt val = zssp_read_max1111(MAXCTRL_PD0 | MAXCTRL_PD1 | MAXCTRL_SGL | 305 1.2.4.2 yamt MAXCTRL_UNI | (C3000_ADCCH_ZRC << MAXCTRL_SEL_SHIFT) | 306 1.2.4.2 yamt MAXCTRL_STR); 307 1.2.4.2 yamt for (i = 0; zrc_akeytab[i].min != INT_MIN; i++) 308 1.2.4.2 yamt if (val >= zrc_akeytab[i].min) 309 1.2.4.2 yamt break; 310 1.2.4.2 yamt return zrc_akeytab[i].key; 311 1.2.4.2 yamt } 312 1.2.4.2 yamt 313 1.2.4.2 yamt static void 314 1.2.4.2 yamt zrc_input(struct zrc_softc *sc, int key, int down) 315 1.2.4.2 yamt { 316 1.2.4.2 yamt u_int type = down ? WSCONS_EVENT_KEY_DOWN : WSCONS_EVENT_KEY_UP; 317 1.2.4.2 yamt int s; 318 1.2.4.2 yamt 319 1.2.4.2 yamt s = spltty(); 320 1.2.4.2 yamt 321 1.2.4.2 yamt #ifdef WSDISPLAY_COMPAT_RAWKBD 322 1.2.4.2 yamt if (sc->sc_rawkbd) { 323 1.2.4.2 yamt int c; 324 1.2.4.2 yamt u_char cbuf[2]; 325 1.2.4.2 yamt int ncbuf = 0; 326 1.2.4.2 yamt 327 1.2.4.2 yamt c = zrc_xt_keymap[key]; 328 1.2.4.2 yamt if (c & 0x80) 329 1.2.4.2 yamt cbuf[ncbuf++] = 0xe0; 330 1.2.4.2 yamt cbuf[ncbuf] = c & 0x7f; 331 1.2.4.2 yamt 332 1.2.4.2 yamt if (!down) 333 1.2.4.2 yamt cbuf[ncbuf] |= 0x80; 334 1.2.4.2 yamt ncbuf++; 335 1.2.4.2 yamt 336 1.2.4.2 yamt wskbd_rawinput(sc->sc_wskbddev, cbuf, ncbuf); 337 1.2.4.2 yamt } else 338 1.2.4.2 yamt #endif 339 1.2.4.2 yamt wskbd_input(sc->sc_wskbddev, type, key); 340 1.2.4.2 yamt 341 1.2.4.2 yamt splx(s); 342 1.2.4.2 yamt } 343 1.2.4.2 yamt 344 1.2.4.2 yamt static int 345 1.2.4.2 yamt zrc_enable(void *v, int on) 346 1.2.4.2 yamt { 347 1.2.4.2 yamt 348 1.2.4.2 yamt return 0; 349 1.2.4.2 yamt } 350 1.2.4.2 yamt 351 1.2.4.2 yamt static void 352 1.2.4.2 yamt zrc_set_leds(void *v, int on) 353 1.2.4.2 yamt { 354 1.2.4.2 yamt 355 1.2.4.2 yamt /* Nothing to do */ 356 1.2.4.2 yamt } 357 1.2.4.2 yamt 358 1.2.4.2 yamt static int 359 1.2.4.2 yamt zrc_ioctl(void *v, u_long cmd, caddr_t data, int flag, struct lwp *l) 360 1.2.4.2 yamt { 361 1.2.4.2 yamt #ifdef WSDISPLAY_COMPAT_RAWKBD 362 1.2.4.2 yamt struct zrc_softc *sc = v; 363 1.2.4.2 yamt #endif 364 1.2.4.2 yamt 365 1.2.4.2 yamt switch (cmd) { 366 1.2.4.2 yamt case WSKBDIO_GTYPE: 367 1.2.4.2 yamt *(int *)data = WSKBD_TYPE_ZAURUS; 368 1.2.4.2 yamt return 0; 369 1.2.4.2 yamt case WSKBDIO_SETLEDS: 370 1.2.4.2 yamt return 0; 371 1.2.4.2 yamt case WSKBDIO_GETLEDS: 372 1.2.4.2 yamt *(int *)data = 0; 373 1.2.4.2 yamt return 0; 374 1.2.4.2 yamt #ifdef WSDISPLAY_COMPAT_RAWKBD 375 1.2.4.2 yamt case WSKBDIO_SETMODE: 376 1.2.4.2 yamt sc->sc_rawkbd = (*(int *)data == WSKBD_RAW); 377 1.2.4.2 yamt return 0; 378 1.2.4.2 yamt #endif 379 1.2.4.2 yamt } 380 1.2.4.2 yamt return EPASSTHROUGH; 381 1.2.4.2 yamt } 382
Indexes created Sun Oct 19 18:09:56 GMT 2025