alps.c revision 1.10
1 /* $NetBSD: alps.c,v 1.10 2018/06/19 23:25:59 uwe Exp $ */ 2 3 /*- 4 * Copyright (c) 2017 Ryo ONODERA <ryo (at) tetera.org> 5 * Copyright (c) 2008 Jared D. McNeill <jmcneill (at) invisible.ca> 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27 * POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #include "opt_pms.h" 31 32 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: alps.c,v 1.10 2018/06/19 23:25:59 uwe Exp $"); 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/device.h> 38 #include <sys/kernel.h> 39 #include <sys/sysctl.h> 40 #include <sys/bus.h> 41 #include <sys/bitops.h> 42 43 #include <dev/wscons/wsconsio.h> 44 #include <dev/wscons/wsmousevar.h> 45 46 #include <dev/pckbport/pckbportvar.h> 47 #include <dev/pckbport/pmsreg.h> 48 #include <dev/pckbport/pmsvar.h> 49 #include <dev/pckbport/alpsreg.h> 50 #include <dev/pckbport/alpsvar.h> 51 52 /* #define ALPS_DEBUG */ 53 54 static int alps_touchpad_xy_unprecision_nodenum; 55 static int alps_trackstick_xy_precision_nodenum; 56 57 static int alps_touchpad_xy_unprecision = 2; 58 static int alps_trackstick_xy_precision = 1; 59 60 static void pms_alps_input_v7(void *, int); 61 static void pms_alps_input_v2(void *, int); 62 63 static int 64 pms_sysctl_alps_verify(SYSCTLFN_ARGS) 65 { 66 int error, t; 67 struct sysctlnode node; 68 69 node = *rnode; 70 t = *(int *)rnode->sysctl_data; 71 node.sysctl_data = &t; 72 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 73 if (error || newp == NULL) 74 return error; 75 76 if (node.sysctl_num == alps_touchpad_xy_unprecision_nodenum || 77 node.sysctl_num == alps_trackstick_xy_precision_nodenum) { 78 if (t < 0 || t > 7) 79 return EINVAL; 80 } else 81 return EINVAL; 82 83 *(int *)rnode->sysctl_data = t; 84 85 return 0; 86 87 } 88 89 static void 90 pms_sysctl_alps(struct sysctllog **clog) 91 { 92 const struct sysctlnode *node; 93 int rc, root_num; 94 95 if ((rc = sysctl_createv(clog, 0, NULL, &node, 96 CTLFLAG_PERMANENT, CTLTYPE_NODE, "alps", 97 SYSCTL_DESCR("ALPS touchpad controls"), 98 NULL, 0, NULL, 0, CTL_HW, CTL_CREATE, CTL_EOL)) != 0) 99 goto err; 100 101 root_num = node->sysctl_num; 102 103 if ((rc = sysctl_createv(clog, 0, NULL, &node, 104 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 105 CTLTYPE_INT, "touchpad_xy_precision_shift", 106 SYSCTL_DESCR("Touchpad X/Y-axis precision shift value"), 107 pms_sysctl_alps_verify, 0, 108 &alps_touchpad_xy_unprecision, 109 0, CTL_HW, root_num, CTL_CREATE, 110 CTL_EOL)) != 0) 111 goto err; 112 alps_touchpad_xy_unprecision_nodenum = node->sysctl_num; 113 114 if ((rc = sysctl_createv(clog, 0, NULL, &node, 115 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 116 CTLTYPE_INT, "tackstick_xy_precision_shift", 117 SYSCTL_DESCR("Trackstick X/Y-axis precision value"), 118 pms_sysctl_alps_verify, 0, 119 &alps_trackstick_xy_precision, 120 0, CTL_HW, root_num, CTL_CREATE, 121 CTL_EOL)) != 0) 122 goto err; 123 alps_trackstick_xy_precision_nodenum = node->sysctl_num; 124 125 return; 126 127 err: 128 aprint_error("%s: sysctl_createv failed (rc = %d)\n", 129 __func__, rc); 130 } 131 132 /* 133 * Publish E6 report command and get E6 signature, 134 * then check the signature 135 */ 136 static int 137 pms_alps_e6sig(struct pms_softc *psc, uint8_t *e6sig) 138 { 139 uint8_t cmd[2]; 140 int res; 141 142 e6sig[0] = 0; 143 cmd[0] = PMS_SET_RES; /* E8 */ 144 cmd[1] = 0; 145 if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, 146 cmd, 2, 0, NULL, 0)) != 0) 147 goto err; 148 cmd[0] = PMS_SET_SCALE11; /* E6 */ 149 if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, 150 cmd, 1, 0, NULL, 0)) != 0) 151 goto err; 152 cmd[0] = PMS_SET_SCALE11; /* E6 */ 153 if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, 154 cmd, 1, 0, NULL, 0)) != 0) 155 goto err; 156 cmd[0] = PMS_SET_SCALE11; /* E6 */ 157 if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, 158 cmd, 1, 0, NULL, 0)) != 0) 159 goto err; 160 e6sig[0] = e6sig[1] = e6sig[2] = 0; 161 /* Get E6 signature */ 162 cmd[0] = PMS_SEND_DEV_STATUS; /* E9 */ 163 if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, 164 cmd, 1, 3, e6sig, 0)) != 0) 165 goto err; 166 167 /* ALPS input device returns 00-00-64 as E6 signature */ 168 if ((e6sig[0] & ~0x07u) != 0x00 || /* ignore buttons */ 169 e6sig[1] != 0x00 || 170 e6sig[2] != 0x64) 171 { 172 return ENODEV; /* This is not an ALPS device */ 173 } 174 175 aprint_debug_dev(psc->sc_dev, 176 "ALPS PS/2 E6 signature: 0x%X 0x%X 0x%X\n", 177 e6sig[0], e6sig[1], e6sig[2]); 178 179 return 0; 180 err: 181 aprint_error_dev(psc->sc_dev, "Failed to get E6 signature.\n"); 182 return res; 183 } 184 185 /* 186 * Publish E7 report command and get E7 signature 187 */ 188 static int 189 pms_alps_e7sig(struct pms_softc *psc, uint8_t *e7sig) 190 { 191 uint8_t cmd[2]; 192 int res; 193 194 cmd[0] = PMS_SET_RES; /* E8 */ 195 cmd[1] = 0; 196 if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, 197 cmd, 2, 0, NULL, 0)) != 0) 198 goto err; 199 cmd[0] = PMS_SET_SCALE21; /* E7 */ 200 if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, 201 cmd, 1, 0, NULL, 0)) != 0) 202 goto err; 203 cmd[0] = PMS_SET_SCALE21; /* E7 */ 204 if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, 205 cmd, 1, 0, NULL, 0)) != 0) 206 goto err; 207 cmd[0] = PMS_SET_SCALE21; /* E7 */ 208 if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, 209 cmd, 1, 0, NULL, 0)) != 0) 210 goto err; 211 e7sig[0] = e7sig[1] = e7sig[2] = 0; 212 cmd[0] = PMS_SEND_DEV_STATUS; /* E9 */ 213 if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, 214 cmd, 1, 3, e7sig, 0)) != 0) 215 goto err; 216 217 aprint_debug_dev(psc->sc_dev, 218 "ALPS PS/2 E7 signature: 0x%X 0x%X 0x%X\n", 219 e7sig[0], e7sig[1], e7sig[2]); 220 221 if (e7sig[0] != 0x73) 222 return ENODEV; /* This is not an ALPS device */ 223 224 return 0; 225 err: 226 aprint_error_dev(psc->sc_dev, "Failed to get E7 signature.\n"); 227 return res; 228 } 229 230 /* 231 * Publish EC command and get EC signature 232 */ 233 static int 234 pms_alps_ecsig(struct pms_softc *psc, uint8_t *ecsig) 235 { 236 uint8_t cmd[2]; 237 int res; 238 239 cmd[0] = PMS_SET_RES; /* E8 */ 240 cmd[1] = 0; 241 if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, 242 cmd, 2, 0, NULL, 0)) != 0) 243 goto err; 244 cmd[0] = PMS_RESET_WRAP_MODE; /* EC */ 245 if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, 246 cmd, 1, 0, NULL, 0)) != 0) 247 goto err; 248 cmd[0] = PMS_RESET_WRAP_MODE; /* EC */ 249 if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, 250 cmd, 1, 0, NULL, 0)) != 0) 251 goto err; 252 cmd[0] = PMS_RESET_WRAP_MODE; /* EC */ 253 if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, 254 cmd, 1, 0, NULL, 0)) != 0) 255 goto err; 256 ecsig[0] = ecsig[1] = ecsig[2] = 0; 257 cmd[0] = PMS_SEND_DEV_STATUS; /* E9 */ 258 if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, 259 cmd, 1, 3, ecsig, 0)) != 0) 260 goto err; 261 262 aprint_debug_dev(psc->sc_dev, 263 "ALPS PS/2 EC signature: 0x%X 0x%X 0x%X\n", 264 ecsig[0], ecsig[1], ecsig[2]); 265 266 return 0; 267 268 err: 269 aprint_debug_dev(psc->sc_dev, "Failed to get EC signature.\n"); 270 return res; 271 } 272 273 /* 274 * Enter to command mode 275 */ 276 static int 277 pms_alps_start_command_mode(struct pms_softc *psc) 278 { 279 uint8_t cmd[1]; 280 uint8_t resp[3]; 281 int res; 282 283 cmd[0] = PMS_RESET_WRAP_MODE; /* EC */ 284 if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, 285 cmd, 1, 0, NULL, 0)) != 0) 286 goto err; 287 cmd[0] = PMS_RESET_WRAP_MODE; /* EC */ 288 if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, 289 cmd, 1, 0, NULL, 0)) != 0) 290 goto err; 291 cmd[0] = PMS_RESET_WRAP_MODE; /* EC */ 292 if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, 293 cmd, 1, 0, NULL, 0)) != 0) 294 goto err; 295 resp[0] = resp[1] = resp[2] = 0; 296 cmd[0] = PMS_SEND_DEV_STATUS; /* E9 */ 297 if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, 298 cmd, 1, 3, resp, 0)) != 0) 299 goto err; 300 301 aprint_debug_dev(psc->sc_dev, "ALPS Firmware ID: 0x%x 0x%X 0x%X\n", 302 resp[0], resp[1], resp[2]); 303 304 if (resp[0] != 0x88 || (resp[1] & __BITS(7, 4)) != 0xb0) 305 return EINVAL; 306 307 return 0; 308 err: 309 aprint_error_dev(psc->sc_dev, "Failed to start command mode.\n"); 310 return res; 311 } 312 313 /* 314 * End command mode 315 */ 316 static int 317 pms_alps_end_command_mode(struct pms_softc *psc) 318 { 319 int res; 320 uint8_t cmd[1]; 321 322 cmd[0] = PMS_SET_STREAM; /* EA */ 323 if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, 324 cmd, 1, 0, NULL, 0)) != 0) 325 goto err; 326 327 return res; 328 329 err: 330 aprint_error_dev(psc->sc_dev, "Failed to end command mode.\n"); 331 return res; 332 } 333 334 /* 335 * Write nibble (4-bit) data 336 */ 337 static int 338 pms_alps_cm_write_nibble(pckbport_tag_t tag, pckbport_slot_t slot, uint8_t nibble) 339 { 340 uint8_t cmd[2]; 341 uint8_t resp[3]; 342 int sendparam; 343 int recieve; 344 int res; 345 346 sendparam = alps_v7_nibble_command_data_arr[nibble].sendparam; 347 recieve= alps_v7_nibble_command_data_arr[nibble].recieve; 348 cmd[0] = alps_v7_nibble_command_data_arr[nibble].command; 349 if (recieve) { 350 if ((res = pckbport_poll_cmd(tag, slot, cmd, 1, 3, resp, 0)) != 0) { 351 aprint_error("send nibble error: %d\n", res); 352 } 353 } else if (sendparam) { 354 cmd[1] = alps_v7_nibble_command_data_arr[nibble].data; 355 if ((res = pckbport_poll_cmd(tag, slot, cmd, 2, 0, NULL, 0)) != 0) { 356 aprint_error("send nibble error: %d\n", res); 357 } 358 } else { 359 if ((res = pckbport_poll_cmd(tag, slot, cmd, 1, 0, NULL, 0)) != 0) { 360 aprint_error("send nibble error: %d\n", res); 361 } 362 } 363 364 return res; 365 } 366 367 /* 368 * Set an register address for read and write 369 */ 370 static int 371 pms_alps_set_address(pckbport_tag_t tag, pckbport_slot_t slot, uint16_t reg) 372 { 373 uint8_t cmd[1]; 374 uint8_t nibble; 375 int res; 376 377 cmd[0] = PMS_RESET_WRAP_MODE; 378 if ((res = pckbport_poll_cmd(tag, slot, cmd, 1, 0, NULL, 0)) != 0) 379 goto err; 380 381 /* Set address */ 382 nibble = (reg >> 12) & __BITS(3, 0); 383 if ((res = pms_alps_cm_write_nibble(tag, slot, nibble)) != 0) { 384 goto err; 385 } 386 nibble = (reg >> 8) & __BITS(3, 0); 387 if ((res = pms_alps_cm_write_nibble(tag, slot, nibble)) != 0) { 388 goto err; 389 } 390 nibble = (reg >> 4) & __BITS(3, 0); 391 if ((res = pms_alps_cm_write_nibble(tag, slot, nibble)) != 0) { 392 goto err; 393 } 394 nibble = (reg >> 0) & __BITS(3, 0); 395 if ((res = pms_alps_cm_write_nibble(tag, slot, nibble)) != 0) { 396 goto err; 397 } 398 return res; 399 400 err: 401 aprint_error("Failed to set addess.\n"); 402 return res; 403 } 404 405 /* 406 * Read one byte from register 407 */ 408 static int 409 pms_alps_cm_read_1(pckbport_tag_t tag, pckbport_slot_t slot, uint16_t reg, 410 uint8_t *val) 411 { 412 uint8_t cmd[1]; 413 uint8_t resp[3]; 414 int res; 415 416 if ((res = pms_alps_set_address(tag, slot, reg)) != 0) 417 goto err; 418 419 cmd[0] = PMS_SEND_DEV_STATUS; 420 if ((res = pckbport_poll_cmd(tag, slot, 421 cmd, 1, 3, resp, 0)) != 0) { 422 goto err; 423 } 424 425 if (reg != ((resp[0] << 8) | resp[1])) { 426 return EINVAL; 427 } 428 429 *val = resp[2]; 430 return res; 431 432 err: 433 aprint_error("Failed to read a value.\n"); 434 *val = 0; 435 return res; 436 } 437 438 /* 439 * Write one byte to register 440 */ 441 static int 442 pms_alps_cm_write_1(pckbport_tag_t tag, pckbport_slot_t slot, uint16_t reg, 443 uint8_t val) 444 { 445 uint8_t nibble; 446 int res; 447 448 if ((res = pms_alps_set_address(tag, slot, reg)) != 0) 449 goto err; 450 451 nibble = __SHIFTOUT(val, __BITS(7, 4)); 452 if ((res = pms_alps_cm_write_nibble(tag, slot, nibble)) != 0) { 453 goto err; 454 } 455 456 nibble = __SHIFTOUT(val, __BITS(3, 0)); 457 if ((res = pms_alps_cm_write_nibble(tag, slot, nibble)) != 0) { 458 goto err; 459 } 460 461 return res; 462 err: 463 aprint_error("Failed to write a value.\n"); 464 return res; 465 } 466 467 /* 468 * Not used practically for initialization 469 */ 470 static int 471 pms_alps_get_resolution_v7(struct pms_softc *psc) 472 { 473 #if 0 474 struct alps_softc *sc = &psc->u.alps; 475 #endif 476 pckbport_tag_t tag = psc->sc_kbctag; 477 pckbport_slot_t slot = psc->sc_kbcslot; 478 479 int res; 480 uint8_t ret; 481 #if 0 482 uint32_t x_pitch, y_pitch; 483 uint32_t x_elec, y_elec; 484 uint32_t x_phy, y_phy; 485 #endif 486 /* X/Y pitch */ 487 if ((res = pms_alps_cm_read_1(tag, slot, 0xc397, &ret)) != 0) { 488 goto err; 489 } 490 #if 0 491 /* X pitch */ 492 x_pitch = __SHIFTOUT(ret, __BITS(7, 4)); /* Higher 4-bit */ 493 x_pitch = x_pitch * 2 + 50; /* Unit = 0.1mm */ 494 495 /* Y pitch */ 496 y_pitch = ret & __BITS(3, 0); /* Lower 4-bit */ 497 y_pitch = y_pitch * 2 + 36; /* Unit = 0.1mm */ 498 499 /* X/Y electrode */ 500 if ((res = pms_alps_cm_read_1(tag, slot, 0xc397 + 1, &ret)) != 0) { 501 goto err; 502 } 503 504 /* X electrode */ 505 x_elec = __SHIFTOUT(ret, __BITS(7, 4)); /* Higher 4-bit */ 506 x_elec = x_elec + 17; 507 508 /* Y electrode */ 509 y_elec = ret & __BITS(3, 0); /* Lower 4-bit */ 510 y_elec = y_elec + 13; 511 512 /* X/Y physical in unit = 0.1mm */ 513 /* X physical */ 514 x_phy = (x_elec - 1) * x_pitch; 515 y_phy = (y_elec - 1) * y_pitch; 516 517 /* X/Y resolution (unit) */ 518 sc->res_x = 0xfff * 10 / x_phy; 519 sc->res_y = 0x7ff * 10 / y_phy; 520 #endif 521 return res; 522 523 err: 524 aprint_error("Failed to get resolution.\n"); 525 return res; 526 } 527 528 /* 529 * Enable tap mode for V2 device 530 */ 531 static int 532 pms_alps_enable_tap_mode_v2(struct pms_softc *psc) 533 { 534 uint8_t cmd[2]; 535 uint8_t resp[3]; 536 int res; 537 538 resp[0] = resp[1] = resp[2] = 0; 539 cmd[0] = PMS_SEND_DEV_STATUS; /* E9 */ 540 if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, 541 cmd, 1, 3, resp, 0)) != 0) 542 goto err; 543 cmd[0] = PMS_DEV_DISABLE; /* F5 */ 544 if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, 545 cmd, 1, 0, NULL, 0)) != 0) 546 goto err; 547 cmd[0] = PMS_DEV_DISABLE; /* F5 */ 548 if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, 549 cmd, 1, 0, NULL, 0)) != 0) 550 goto err; 551 cmd[0] = PMS_SET_SAMPLE; 552 cmd[1] = 0x0a; /* argument */ 553 if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, 554 cmd, 2, 0, NULL, 0)) != 0) 555 goto err; 556 557 /* Get status */ 558 cmd[0] = PMS_DEV_DISABLE; /* F5 */ 559 if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, 560 cmd, 1, 0, NULL, 0)) != 0) 561 goto err; 562 cmd[0] = PMS_DEV_DISABLE; /* F5 */ 563 if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, 564 cmd, 1, 0, NULL, 0)) != 0) 565 goto err; 566 cmd[0] = PMS_DEV_DISABLE; /* F5 */ 567 if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, 568 cmd, 1, 0, NULL, 0)) != 0) 569 goto err; 570 resp[0] = resp[1] = resp[2] = 0; 571 cmd[0] = PMS_SEND_DEV_STATUS; /* E9 */ 572 if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, 573 cmd, 1, 3, resp, 0)) != 0) 574 goto err; 575 576 aprint_debug_dev(psc->sc_dev, "Tap mode is enabled.\n"); 577 578 return 0; 579 err: 580 aprint_error_dev(psc->sc_dev, "Failed to enable tap mode.\n"); 581 return res; 582 } 583 584 static int 585 pms_alps_init_v2(struct pms_softc *psc) 586 { 587 uint8_t cmd[1]; 588 int res; 589 590 if ((res = pms_alps_enable_tap_mode_v2(psc)) != 0) 591 goto err; 592 593 /* Enable absolute mode */ 594 cmd[0] = PMS_DEV_DISABLE; /* F5 */ 595 if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, 596 cmd, 1, 0, NULL, 0)) != 0) 597 goto err; 598 cmd[0] = PMS_DEV_DISABLE; /* F5 */ 599 if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, 600 cmd, 1, 0, NULL, 0)) != 0) 601 goto err; 602 cmd[0] = PMS_DEV_DISABLE; /* F5 */ 603 if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, 604 cmd, 1, 0, NULL, 0)) != 0) 605 goto err; 606 cmd[0] = PMS_DEV_DISABLE; /* F5 */ 607 if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, 608 cmd, 1, 0, NULL, 0)) != 0) 609 goto err; 610 cmd[0] = PMS_DEV_ENABLE; /* F4 */ 611 if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, 612 cmd, 1, 0, NULL, 0)) != 0) 613 goto err; 614 615 /* Enable remote mode */ 616 cmd[0] = PMS_SET_REMOTE_MODE; /* F0 */ 617 if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, 618 cmd, 1, 0, NULL, 0)) != 0) 619 goto err; 620 621 /* Start stream mode to get data */ 622 cmd[0] = PMS_SET_STREAM; /* EA */ 623 if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, 624 cmd, 1, 0, NULL, 0)) != 0) 625 goto err; 626 627 628 return 0; 629 630 err: 631 aprint_error_dev(psc->sc_dev, "Failed to initialize V2 device.\n"); 632 return res; 633 } 634 635 static int 636 pms_alps_init_v7(struct pms_softc *psc) 637 { 638 uint8_t val; 639 uint8_t nibble; 640 int res; 641 642 /* Start command mode */ 643 if ((res = pms_alps_start_command_mode(psc)) != 0) { 644 goto err; 645 } 646 if ((res = pms_alps_cm_read_1(psc->sc_kbctag, psc->sc_kbcslot, 0xc2d9, &val)) != 0) { 647 goto err; 648 } 649 if ((res = pms_alps_get_resolution_v7(psc)) != 0) { 650 goto err; 651 } 652 if ((res = pms_alps_cm_write_1(psc->sc_kbctag, psc->sc_kbcslot, 0xc2c9, 0x64)) != 0) { 653 goto err; 654 } 655 656 /* Start absolute mode */ 657 if ((res = pms_alps_cm_read_1(psc->sc_kbctag, psc->sc_kbcslot, 0xc2c4, &val)) != 0) { 658 goto err; 659 } 660 /* Do not set address before this, so do not use pms_cm_write_1() */ 661 val = val | __BIT(1); 662 nibble = __SHIFTOUT(val, __BITS(7, 4)); 663 if ((res = pms_alps_cm_write_nibble(psc->sc_kbctag, psc->sc_kbcslot, nibble)) != 0) { 664 goto err; 665 } 666 nibble = __SHIFTOUT(val, __BITS(3, 0)); 667 if ((res = pms_alps_cm_write_nibble(psc->sc_kbctag, psc->sc_kbcslot, nibble)) != 0) { 668 goto err; 669 } 670 671 /* End command mode */ 672 if ((res = pms_alps_end_command_mode(psc)) != 0) 673 goto err; 674 675 return res; 676 677 err: 678 (void)pms_alps_end_command_mode(psc); 679 aprint_error_dev(psc->sc_dev, "Failed to initialize V7 device.\n"); 680 return res; 681 } 682 683 int 684 pms_alps_probe_init(void *opaque) 685 { 686 struct pms_softc *psc = opaque; 687 struct alps_softc *sc = &psc->u.alps; 688 struct sysctllog *clog = NULL; 689 uint8_t e6sig[3]; 690 uint8_t e7sig[3]; 691 uint8_t ecsig[3]; 692 int res; 693 u_char cmd[1]; 694 695 sc->last_x1 = 0; 696 sc->last_y1 = 0; 697 sc->last_x2 = 0; 698 sc->last_y2 = 0; 699 sc->last_nfingers = 0; 700 701 pckbport_flush(psc->sc_kbctag, psc->sc_kbcslot); 702 703 if ((res = pms_alps_e6sig(psc, e6sig)) != 0) 704 goto err; 705 706 if ((res = pms_alps_e7sig(psc, e7sig)) != 0) 707 goto err; 708 709 if ((res = pms_alps_ecsig(psc, ecsig)) != 0) 710 goto err; 711 712 /* Determine protocol version */ 713 if ((ecsig[0] == 0x88) && (__SHIFTOUT(ecsig[1], __BITS(7, 4)) == 0x0b)) { 714 /* V7 device in Toshiba dynabook R63/PS */ 715 sc->version = ALPS_PROTO_V7; 716 } else if ((e7sig[0] == 0x73) && (e7sig[1] == 0x02) && 717 (e7sig[2] == 0x14)) { 718 /* V2 device in NEC VJ22MF-7 (VersaPro JVF-7) */ 719 sc->version = ALPS_PROTO_V2; 720 } 721 722 if (sc->version == ALPS_PROTO_V7) { 723 /* Initialize V7 device */ 724 if ((res = pms_alps_init_v7(psc)) != 0) 725 goto err; 726 aprint_normal_dev(psc->sc_dev, 727 "ALPS PS/2 V7 pointing device\n"); 728 } else if (sc->version == ALPS_PROTO_V2) { 729 /* Initialize V2 pointing device */ 730 if ((res = pms_alps_init_v2(psc)) != 0) 731 goto err; 732 aprint_normal_dev(psc->sc_dev, 733 "ALPS PS/2 V2 pointing device\n"); 734 } else { 735 res = EINVAL; 736 goto err; 737 } 738 739 /* From sysctl */ 740 pms_sysctl_alps(&clog); 741 /* Register hundler */ 742 if (sc->version == ALPS_PROTO_V7) { 743 pckbport_set_inputhandler(psc->sc_kbctag, psc->sc_kbcslot, 744 pms_alps_input_v7, psc, device_xname(psc->sc_dev)); 745 } else if (sc->version == ALPS_PROTO_V2) { 746 pckbport_set_inputhandler(psc->sc_kbctag, psc->sc_kbcslot, 747 pms_alps_input_v2, psc, device_xname(psc->sc_dev)); 748 } else { 749 res = EINVAL; 750 goto err; 751 } 752 /* Palm detection is enabled. */ 753 754 return 0; 755 756 err: 757 cmd[0] = PMS_RESET; 758 (void)pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, 759 cmd, 1, 2, NULL, 1); 760 if (res != ENODEV) 761 aprint_error_dev(psc->sc_dev, "Failed to initialize an ALPS device.\n"); 762 return res; 763 } 764 765 void 766 pms_alps_enable(void *opaque) 767 { 768 struct pms_softc *psc = opaque; 769 struct alps_softc *sc = &psc->u.alps; 770 771 sc->initializing = true; 772 } 773 774 void 775 pms_alps_resume(void *opaque) 776 { 777 struct pms_softc *psc = opaque; 778 struct alps_softc *sc = &psc->u.alps; 779 uint8_t cmd, resp[2]; 780 int res; 781 782 cmd = PMS_RESET; 783 res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, &cmd, 784 1, 2, resp, 1); 785 if (res) 786 aprint_error_dev(psc->sc_dev, 787 "ALPS reset on resume failed\n"); 788 else { 789 if (sc->version == ALPS_PROTO_V7) { 790 (void)pms_alps_init_v7(psc); 791 } else if (sc->version == ALPS_PROTO_V2) { 792 (void)pms_alps_init_v2(psc); 793 } else { 794 /* Not supported */ 795 } 796 pms_alps_enable(psc); 797 } 798 } 799 800 static void 801 pms_alps_decode_trackstick_packet_v7(struct pms_softc *psc) 802 { 803 int s; 804 805 int x, y, z; 806 int dx, dy, dz; 807 int left, middle, right; 808 u_int buttons; 809 810 x = (int8_t)((psc->packet[2] & 0xbf) | 811 ((psc->packet[3] & 0x10) << 2)); 812 y = (int8_t)((psc->packet[3] & 0x07) | (psc->packet[4] & 0xb8) | 813 ((psc->packet[3] & 0x20) << 1)); 814 z = (int8_t)((psc->packet[5] & 0x3f) | 815 ((psc->packet[3] & 0x80) >> 1)); 816 817 dx = x * alps_trackstick_xy_precision; 818 dy = y * alps_trackstick_xy_precision; 819 dz = z * 1; 820 821 left = psc->packet[1] & 0x01; 822 middle = (psc->packet[1] & 0x04) >> 2; 823 right = (psc->packet[1] & 0x02) >> 1; 824 buttons = 0; 825 buttons = (u_int)((left << 0) | (middle << 1) | (right << 2)); 826 827 s = spltty(); 828 wsmouse_input(psc->sc_wsmousedev, 829 buttons, 830 dx, dy, dz, 0, 831 WSMOUSE_INPUT_DELTA); 832 splx(s); 833 } 834 835 static uint8_t 836 pms_alps_decode_packetid_v7(struct pms_softc *psc) 837 { 838 if (psc->packet[4] & 0x40) 839 return ALPS_V7_PACKETID_TWOFINGER; 840 else if (psc->packet[4] & 0x01) 841 return ALPS_V7_PACKETID_MULTIFINGER; 842 else if ((psc->packet[0] & 0x10) && !(psc->packet[4] & 0x43)) 843 return ALPS_V7_PACKETID_NEWPACKET; 844 else if ((psc->packet[1] == 0x00) && (psc->packet[4] == 0x00)) 845 return ALPS_V7_PACKETID_IDLE; 846 else 847 return ALPS_V7_PACKETID_UNKNOWN; 848 } 849 850 static void 851 pms_alps_decode_touchpad_packet_v7(struct pms_softc *psc) 852 { 853 int s; 854 struct alps_softc *sc = &psc->u.alps; 855 uint8_t packetid; 856 857 uint16_t cur_x1, cur_y1; 858 uint16_t cur_x2, cur_y2; 859 int dx1, dy1; 860 int button; 861 u_int buttons; 862 863 packetid = pms_alps_decode_packetid_v7(psc); 864 switch (packetid) { 865 case ALPS_V7_PACKETID_IDLE: 866 /* Accept meaningful packets only */ 867 return; 868 case ALPS_V7_PACKETID_UNKNOWN: 869 /* Accept meaningful packets only */ 870 return; 871 case ALPS_V7_PACKETID_NEWPACKET: 872 /* Sent new packet ID to reset status and not decoded */ 873 sc->initializing = true; 874 return; 875 } 876 877 /* Decode a number of fingers and locations */ 878 /* X0-11 ... X0-0 */ 879 cur_x1 = (psc->packet[2] & 0x80) << 4; /* X0-11 */ 880 cur_x1 |= (psc->packet[2] & 0x3f) << 5; /* X0-10 ... X0-5 */ 881 cur_x1 |= (psc->packet[3] & 0x30) >> 1; /* X0-4, X0-3 */ 882 cur_x1 |= psc->packet[3] & 0x07; /* X0-2 ... X0-0 */ 883 884 /* Y0-10 ... Y0-0 */ 885 cur_y1 = psc->packet[1] << 3; /* Y0-10 ... Y0-3 */ 886 cur_y1 |= psc->packet[0] & 0x07; /* Y0-2 ... Y0-0 */ 887 888 /* X1-11 ... X1-3 */ 889 cur_x2 = (psc->packet[3] & 0x80) << 4; /* X1-11 */ 890 cur_x2 |= (psc->packet[4] & 0x80) << 3; /* X1-10 */ 891 cur_x2 |= (psc->packet[4] & 0x3f) << 4; /* X1-9 ... X1-4 */ 892 893 /* Y1-10 ... Y1-4 */ 894 cur_y2 = (psc->packet[5] & 0x80) << 3; /* Y1-10 */ 895 cur_y2 |= (psc->packet[5] & 0x3f) << 4; /* Y1-9 .. Y1-4 */ 896 897 switch (packetid) { 898 case ALPS_V7_PACKETID_TWOFINGER: 899 cur_x2 &= ~__BITS(3, 0); /* Clear undefined locations */ 900 cur_y2 |= __BITS(3, 0); /* Fill undefined locations */ 901 break; 902 case ALPS_V7_PACKETID_MULTIFINGER: 903 cur_x2 &= ~__BITS(5, 0); /* Clear undefined locations */ 904 cur_y2 &= ~__BIT(5); /* Clear duplicate locations */ 905 cur_y2 |= (psc->packet[4] & __BIT(1)) << 4; /* Set another */ 906 cur_y2 |= __BITS(4, 0); /* Fill undefined locations */ 907 break; 908 } 909 910 cur_y1 = 0x7ff - cur_y1; 911 cur_y2 = 0x7ff - cur_y2; 912 913 /* Handle finger touch reported in cur_x2/y2. only */ 914 if (cur_x1 == 0 && cur_y1 == 0 && cur_x2 != 0 && cur_y2 != 0) { 915 cur_x1 = cur_x2; 916 cur_y1 = cur_y2; 917 cur_x2 = 0; 918 cur_y2 = 0; 919 } 920 921 switch (packetid) { 922 case ALPS_V7_PACKETID_TWOFINGER: 923 if ((cur_x2 == 0) && (cur_y2 == 0)) 924 sc->nfingers = 1; 925 else 926 sc->nfingers = 2; 927 break; 928 case ALPS_V7_PACKETID_MULTIFINGER: 929 sc->nfingers = 3 + (psc->packet[5] & 0x03); 930 break; 931 } 932 933 button = (psc->packet[0] & 0x80) >> 7; 934 buttons = 0; 935 if (sc->nfingers == 1) { 936 if (button && (cur_y1 > 1700) && (cur_x1 < 1700)) 937 buttons |= button << 0; /* Left button */ 938 else if (button && (cur_y1 > 1700) 939 && (1700 <= cur_x1) && (cur_x1 <= 2700)) 940 buttons |= button << 1; /* Middle button */ 941 else if (button && (cur_y1 > 1700) && (2700 < cur_x1)) 942 buttons |= button << 2; /* Right button */ 943 } else if (sc->nfingers > 1) { 944 if (button && (cur_y2 > 1700) && (cur_x2 < 1700)) 945 buttons |= button << 0; /* Left button */ 946 else if (button && (cur_y2 > 1700) 947 && (1700 <= cur_x2) && (cur_x2 <= 2700)) 948 buttons |= button << 1; /* Middle button */ 949 else if (button && (cur_y2 > 1700) && (2700 < cur_x2)) 950 buttons |= button << 2; /* Right button */ 951 } 952 953 /* New touch */ 954 if (sc->nfingers == 0 || sc->nfingers != sc->last_nfingers) 955 sc->initializing = true; 956 957 if (sc->initializing == true) { 958 dx1 = 0; 959 dy1 = 0; 960 } else { 961 dx1 = (int16_t)(cur_x1 - sc->last_x1); 962 dy1 = (int16_t)(sc->last_y1 - cur_y1); 963 964 dx1 = dx1 >> alps_touchpad_xy_unprecision; 965 dy1 = dy1 >> alps_touchpad_xy_unprecision; 966 } 967 968 /* Allow finger detouch during drag and drop */ 969 if ((sc->nfingers < sc->last_nfingers) 970 && (cur_x2 == sc->last_x1) && (cur_y2 == sc->last_y1)) { 971 sc->last_x1 = sc->last_x2; 972 sc->last_y1 = sc->last_y2; 973 dx1 = 0; 974 dy1 = 0; 975 } 976 977 s = spltty(); 978 wsmouse_input(psc->sc_wsmousedev, 979 buttons, 980 dx1, dy1, 0, 0, 981 WSMOUSE_INPUT_DELTA); 982 splx(s); 983 984 if (sc->initializing == true || (dx1 != 0)) 985 sc->last_x1 = cur_x1; 986 if (sc->initializing == true || (dy1 != 0)) 987 sc->last_y1 = cur_y1; 988 989 if (sc->nfingers > 0) 990 sc->initializing = false; 991 sc->last_nfingers = sc->nfingers; 992 } 993 994 static void 995 pms_alps_dispatch_packet_v7(struct pms_softc *psc) 996 { 997 if ((psc->packet[0] == 0x48) && ((psc->packet[4] & 0x47) == 0x06)) 998 pms_alps_decode_trackstick_packet_v7(psc); 999 else 1000 pms_alps_decode_touchpad_packet_v7(psc); 1001 } 1002 1003 static void 1004 pms_alps_decode_touchpad_packet_v2(struct pms_softc *psc) 1005 { 1006 int s; 1007 struct alps_softc *sc = &psc->u.alps; 1008 uint16_t cur_x, cur_y; 1009 int16_t dx, dy; 1010 u_int left, middle, right; 1011 u_int forward, back; 1012 u_int buttons; 1013 uint8_t ges; 1014 1015 sc->nfingers = (psc->packet[2] & 0x02) >> 1; 1016 if (sc->last_nfingers == 0) 1017 sc->initializing = true; 1018 1019 left = psc->packet[3] & 0x01; 1020 right = (psc->packet[3] & 0x02) >> 1; 1021 middle = (psc->packet[3] & 0x04) >> 2; 1022 1023 cur_x = psc->packet[1]; 1024 cur_x |= (psc->packet[2] & 0x78) << 4; 1025 1026 cur_y = psc->packet[4]; 1027 cur_y |= (psc->packet[3] & 0x70) << 3; 1028 1029 #if 0 1030 cur_z = psc->packet[5]; 1031 #endif 1032 1033 forward = (psc->packet[2] & 0x04) >> 2; 1034 back = (psc->packet[3] & 0x04) >> 2; 1035 ges = psc->packet[2] & 0x01; 1036 1037 buttons = (left | ges) << 0; 1038 buttons |= (middle | forward | back) << 1; 1039 buttons |= right << 2; 1040 1041 if (sc->initializing == true) { 1042 dx = 0; 1043 dy = 0; 1044 } else { 1045 dx = (cur_x - sc->last_x1); 1046 dy = (sc->last_y1 - cur_y); 1047 1048 dx = dx >> alps_touchpad_xy_unprecision; 1049 dy = dy >> alps_touchpad_xy_unprecision; 1050 } 1051 1052 s = spltty(); 1053 wsmouse_input(psc->sc_wsmousedev, 1054 buttons, 1055 dx, dy, 0, 0, 1056 WSMOUSE_INPUT_DELTA); 1057 splx(s); 1058 1059 if (sc->initializing == true || (dx != 0)) 1060 sc->last_x1 = cur_x; 1061 if (sc->initializing == true || (dy != 0)) 1062 sc->last_y1 = cur_y; 1063 1064 if (sc->nfingers > 0) 1065 sc->initializing = false; 1066 sc->last_nfingers = sc->nfingers; 1067 } 1068 1069 static void 1070 pms_alps_input_v2(void *opaque, int data) 1071 { 1072 struct pms_softc *psc = opaque; 1073 1074 if (!psc->sc_enabled) 1075 return; 1076 1077 psc->packet[psc->inputstate++] = data & 0xff; 1078 if (psc->inputstate < 6) 1079 return; 1080 1081 pms_alps_decode_touchpad_packet_v2(psc); 1082 1083 psc->inputstate = 0; 1084 } 1085 1086 static void 1087 pms_alps_input_v7(void *opaque, int data) 1088 { 1089 struct pms_softc *psc = opaque; 1090 1091 if (!psc->sc_enabled) 1092 return; 1093 1094 psc->packet[psc->inputstate++] = data & 0xff; 1095 if (psc->inputstate < 6) 1096 return; 1097 1098 pms_alps_dispatch_packet_v7(psc); 1099 1100 psc->inputstate = 0; 1101 } 1102
Indexes created Sat Sep 27 22:09:54 GMT 2025