1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. 23 */ 24 25 26 #include <sys/usb/usba/usbai_version.h> 27 #include <sys/usb/usba.h> 28 #include <sys/usb/clients/hid/hid.h> 29 #include <sys/usb/clients/hidparser/hidparser.h> 30 31 #include <sys/stropts.h> 32 #include <sys/strsun.h> 33 #include <sys/vuid_event.h> 34 #include <sys/vuid_wheel.h> 35 #include <sys/termios.h> 36 #include <sys/termio.h> 37 #include <sys/strtty.h> 38 #include <sys/msreg.h> 39 #include <sys/msio.h> 40 41 #include <sys/usb/clients/usbms/usbms.h> 42 43 /* debugging information */ 44 uint_t usbms_errmask = (uint_t)PRINT_MASK_ALL; 45 uint_t usbms_errlevel = USB_LOG_L2; 46 static usb_log_handle_t usbms_log_handle; 47 48 static struct streamtab usbms_streamtab; 49 50 static struct fmodsw fsw = { 51 "usbms", 52 &usbms_streamtab, 53 D_MP | D_MTPERMOD 54 }; 55 56 /* 57 * Module linkage information for the kernel. 58 */ 59 static struct modlstrmod modlstrmod = { 60 &mod_strmodops, 61 "USB mouse streams", 62 &fsw 63 }; 64 65 static struct modlinkage modlinkage = { 66 MODREV_1, 67 (void *)&modlstrmod, 68 NULL 69 }; 70 71 72 int 73 _init(void) 74 { 75 int rval = mod_install(&modlinkage); 76 77 if (rval == 0) { 78 usbms_log_handle = usb_alloc_log_hdl(NULL, "usbms", 79 &usbms_errlevel, &usbms_errmask, NULL, 0); 80 } 81 82 return (rval); 83 } 84 85 int 86 _fini(void) 87 { 88 int rval = mod_remove(&modlinkage); 89 90 if (rval == 0) { 91 usb_free_log_hdl(usbms_log_handle); 92 } 93 94 return (rval); 95 } 96 97 98 int 99 _info(struct modinfo *modinfop) 100 { 101 102 return (mod_info(&modlinkage, modinfop)); 103 } 104 105 106 /* Function prototypes */ 107 static void usbms_reioctl(void *); 108 static void usbms_ioctl(queue_t *, mblk_t *); 109 static int usbms_open(); 110 static int usbms_close(); 111 static int usbms_wput(); 112 static void usbms_rput(); 113 static void usbms_mctl_receive( 114 register queue_t *q, 115 register mblk_t *mp); 116 117 static void usbms_rserv(queue_t *q); 118 static void usbms_miocdata( 119 register queue_t *q, 120 register mblk_t *mp); 121 122 static void usbms_resched(void *); 123 124 static int usbms_getparms( 125 register Ms_parms *data, 126 usbms_state_t *usbmsp); 127 128 static int usbms_setparms( 129 register Ms_parms *data, 130 usbms_state_t *usbmsp); 131 132 static int usbms_get_screen_parms( 133 register queue_t *q, 134 register mblk_t *datap); 135 136 static void usbms_flush(usbms_state_t *usbmsp); 137 138 static void usbms_incr(void *); 139 static void usbms_input( 140 usbms_state_t *usbmsp, 141 mblk_t *mp); 142 static void usbms_rserv_vuid_button( 143 queue_t *q, 144 struct usbmouseinfo *mi, 145 mblk_t **bpaddr); 146 147 static void usbms_rserv_vuid_event_y( 148 queue_t *q, 149 struct usbmouseinfo *mi, 150 mblk_t **bpaddr); 151 static void usbms_rserv_vuid_event_x( 152 queue_t *q, 153 struct usbmouseinfo *mi, 154 mblk_t **bpaddr); 155 static void usbms_rserv_vuid_event_wheel( 156 queue_t *, 157 struct usbmouseinfo *, 158 mblk_t **, 159 ushort_t id); 160 static int usbms_check_for_wheels(usbms_state_t *); 161 static int usbms_make_copyreq( 162 mblk_t *, 163 uint_t pvtsize, 164 uint_t state, 165 uint_t reqsize, 166 uint_t contsize, 167 uint_t copytype); 168 static int usbms_service_wheel_info( 169 queue_t *, 170 mblk_t *); 171 static int usbms_service_wheel_state( 172 queue_t *, 173 mblk_t *, 174 uint_t cmd); 175 static void usbms_ack_ioctl(mblk_t *); 176 static int usbms_read_input_data_format(usbms_state_t *); 177 static mblk_t *usbms_setup_abs_mouse_event(); 178 static int usbms_get_coordinate( 179 uint_t pos, 180 uint_t len, 181 mblk_t *mp); 182 extern void uniqtime32(); 183 184 /* 185 * Device driver qinit functions 186 */ 187 static struct module_info usbms_mod_info = { 188 0x0ffff, /* module id number */ 189 "usbms", /* module name */ 190 0, /* min packet size accepted */ 191 INFPSZ, /* max packet size accepted */ 192 512, /* hi-water mark */ 193 128 /* lo-water mark */ 194 }; 195 196 /* read side queue information structure */ 197 static struct qinit rinit = { 198 (int (*)())usbms_rput, /* put procedure not needed */ 199 (int (*)())usbms_rserv, /* service procedure */ 200 usbms_open, /* called on startup */ 201 usbms_close, /* called on finish */ 202 NULL, /* for future use */ 203 &usbms_mod_info, /* module information structure */ 204 NULL /* module statistics structure */ 205 }; 206 207 /* write side queue information structure */ 208 static struct qinit winit = { 209 usbms_wput, /* put procedure */ 210 NULL, /* no service proecedure needed */ 211 NULL, /* open not used on write side */ 212 NULL, /* close not used on write side */ 213 NULL, /* for future use */ 214 &usbms_mod_info, /* module information structure */ 215 NULL /* module statistics structure */ 216 }; 217 218 static struct streamtab usbms_streamtab = { 219 &rinit, 220 &winit, 221 NULL, /* not a MUX */ 222 NULL /* not a MUX */ 223 }; 224 225 /* 226 * Message when overrun circular buffer 227 */ 228 static int overrun_msg; 229 230 /* Increment when overrun circular buffer */ 231 static int overrun_cnt; 232 233 extern int hz; 234 235 /* 236 * Mouse buffer size in bytes. Place here as variable so that one could 237 * massage it using adb if it turns out to be too small. 238 */ 239 static uint16_t usbms_buf_bytes = USBMS_BUF_BYTES; 240 241 242 /* 243 * Regular STREAMS Entry points 244 */ 245 246 /* 247 * usbms_open() : 248 * open() entry point for the USB mouse module. 249 */ 250 /*ARGSUSED*/ 251 static int 252 usbms_open(queue_t *q, 253 dev_t *devp, 254 int flag, 255 int sflag, 256 cred_t *credp) 257 258 { 259 register struct usbmousebuf *mousebufp; 260 register struct ms_softc *msd_soft; 261 usbms_state_t *usbmsp; 262 struct iocblk mctlmsg; 263 mblk_t *mctl_ptr; 264 265 266 /* Clone opens are not allowed */ 267 if (sflag != MODOPEN) 268 return (EINVAL); 269 270 /* If the module is already open, just return */ 271 if (q->q_ptr) { 272 return (0); 273 } 274 275 /* allocate usbms state structure */ 276 usbmsp = kmem_zalloc(sizeof (usbms_state_t), KM_SLEEP); 277 278 q->q_ptr = usbmsp; 279 WR(q)->q_ptr = usbmsp; 280 281 usbmsp->usbms_rq_ptr = q; 282 usbmsp->usbms_wq_ptr = WR(q); 283 284 qprocson(q); 285 286 /* 287 * Set up private data. 288 */ 289 usbmsp->usbms_state = USBMS_WAIT_BUTN; 290 usbmsp->usbms_iocpending = NULL; 291 usbmsp->usbms_jitter_thresh = USBMS_JITTER_THRESH; 292 usbmsp->usbms_speedlimit = USBMS_SPEEDLIMIT; 293 usbmsp->usbms_speedlaw = USBMS_SPEEDLAW; 294 usbmsp->usbms_speed_count = USBMS_SPEED_COUNT; 295 296 msd_soft = &usbmsp->usbms_softc; 297 298 /* 299 * Initially set the format to MS_VUID_FORMAT 300 */ 301 msd_soft->ms_readformat = MS_VUID_FORMAT; 302 303 /* 304 * Allocate buffer and initialize data. 305 */ 306 msd_soft->ms_bufbytes = usbms_buf_bytes; 307 mousebufp = kmem_zalloc((uint_t)msd_soft->ms_bufbytes, 308 KM_SLEEP); 309 310 /* Truncation will happen */ 311 mousebufp->mb_size = (uint16_t)((msd_soft->ms_bufbytes - 312 sizeof (struct usbmousebuf)) / 313 sizeof (struct usbmouseinfo)); 314 mousebufp->mb_info = (struct usbmouseinfo *)((char *)mousebufp + 315 sizeof (struct usbmousebuf)); 316 usbmsp->usbms_buf = mousebufp; 317 msd_soft->ms_vuidaddr = VKEY_FIRST; 318 usbmsp->usbms_jittertimeout = JITTER_TIMEOUT; 319 320 /* request hid report descriptor from HID */ 321 mctlmsg.ioc_cmd = HID_GET_PARSER_HANDLE; 322 mctlmsg.ioc_count = 0; 323 324 mctl_ptr = usba_mk_mctl(mctlmsg, NULL, 0); 325 if (mctl_ptr == NULL) { 326 qprocsoff(q); 327 kmem_free(usbmsp->usbms_buf, msd_soft->ms_bufbytes); 328 kmem_free(usbmsp, sizeof (usbms_state_t)); 329 330 return (ENOMEM); 331 } 332 333 usbmsp->usbms_flags |= USBMS_QWAIT; 334 putnext(usbmsp->usbms_wq_ptr, mctl_ptr); 335 336 /* 337 * Now that signal has been sent, wait for report descriptor. Cleanup 338 * if user signals in the mean time (as when this gets opened in an 339 * inappropriate context and the user types a ^C). 340 */ 341 while (usbmsp->usbms_flags & USBMS_QWAIT) { 342 343 if (qwait_sig(q) == 0) { 344 qprocsoff(q); 345 kmem_free(usbmsp->usbms_buf, msd_soft->ms_bufbytes); 346 kmem_free(usbmsp, sizeof (usbms_state_t)); 347 348 return (EINTR); 349 } 350 } 351 352 if (usbmsp->usbms_report_descr_handle != NULL) { 353 if (hidparser_get_usage_attribute( 354 usbmsp->usbms_report_descr_handle, 355 0, 356 HIDPARSER_ITEM_INPUT, 357 USBMS_USAGE_PAGE_BUTTON, 358 0, 359 HIDPARSER_ITEM_REPORT_COUNT, 360 (int32_t *)&usbmsp->usbms_num_buttons) == 361 HIDPARSER_SUCCESS) { 362 if (usbmsp->usbms_num_buttons > USB_MS_MAX_BUTTON_NO) 363 usbmsp->usbms_num_buttons = 364 USB_MS_MAX_BUTTON_NO; 365 USB_DPRINTF_L2(PRINT_MASK_ALL, 366 usbms_log_handle, "Num of buttons is : %d", 367 usbmsp->usbms_num_buttons); 368 } else { 369 USB_DPRINTF_L3(PRINT_MASK_OPEN, 370 usbms_log_handle, 371 "hidparser_get_usage_attribute failed : " 372 "Set to default number of buttons(3)."); 373 374 usbmsp->usbms_num_buttons = USB_MS_DEFAULT_BUTTON_NO; 375 } 376 } else { 377 USB_DPRINTF_L1(PRINT_MASK_ALL, 378 usbms_log_handle, "Invalid HID " 379 "Descriptor Tree. Set to default value(3 buttons)."); 380 usbmsp->usbms_num_buttons = USB_MS_DEFAULT_BUTTON_NO; 381 } 382 383 /* check if this mouse has wheel */ 384 if (usbms_check_for_wheels(usbmsp) == USB_FAILURE) { 385 USB_DPRINTF_L2(PRINT_MASK_ALL, usbms_log_handle, 386 "No wheels detected"); 387 } else { 388 USB_DPRINTF_L2(PRINT_MASK_ALL, usbms_log_handle, 389 "Wheel detected"); 390 } 391 392 usbms_flush(usbmsp); 393 394 /* get the data format from the hid descriptor */ 395 if (usbms_read_input_data_format(usbmsp) != USB_SUCCESS) { 396 397 qprocsoff(q); 398 kmem_free(usbmsp->usbms_buf, msd_soft->ms_bufbytes); 399 kmem_free(usbmsp, sizeof (usbms_state_t)); 400 401 return (EINVAL); 402 } 403 404 usbmsp->usbms_flags |= USBMS_OPEN; 405 406 USB_DPRINTF_L3(PRINT_MASK_OPEN, usbms_log_handle, 407 "usbms_open exiting"); 408 409 return (0); 410 } 411 412 413 /* 414 * usbms_close() : 415 * close() entry point for the USB mouse module. 416 */ 417 /*ARGSUSED*/ 418 static int 419 usbms_close(queue_t *q, 420 int flag, 421 cred_t *credp) 422 { 423 usbms_state_t *usbmsp = q->q_ptr; 424 register struct ms_softc *ms = &usbmsp->usbms_softc; 425 426 USB_DPRINTF_L3(PRINT_MASK_CLOSE, usbms_log_handle, 427 "usbms_close entering"); 428 429 qprocsoff(q); 430 431 if (usbmsp->usbms_jitter) { 432 (void) quntimeout(q, 433 (timeout_id_t)(long)usbmsp->usbms_timeout_id); 434 usbmsp->usbms_jitter = 0; 435 } 436 if (usbmsp->usbms_reioctl_id) { 437 qunbufcall(q, (bufcall_id_t)(long)usbmsp->usbms_reioctl_id); 438 usbmsp->usbms_reioctl_id = 0; 439 } 440 if (usbmsp->usbms_resched_id) { 441 qunbufcall(q, (bufcall_id_t)usbmsp->usbms_resched_id); 442 usbmsp->usbms_resched_id = 0; 443 } 444 if (usbmsp->usbms_iocpending != NULL) { 445 /* 446 * We were holding an "ioctl" response pending the 447 * availability of an "mblk" to hold data to be passed up; 448 * another "ioctl" came through, which means that "ioctl" 449 * must have timed out or been aborted. 450 */ 451 freemsg(usbmsp->usbms_iocpending); 452 usbmsp->usbms_iocpending = NULL; 453 } 454 455 456 /* Free mouse buffer */ 457 if (usbmsp->usbms_buf != NULL) { 458 kmem_free(usbmsp->usbms_buf, ms->ms_bufbytes); 459 } 460 461 kmem_free(usbmsp, sizeof (usbms_state_t)); 462 463 q->q_ptr = NULL; 464 WR(q)->q_ptr = NULL; 465 466 467 USB_DPRINTF_L3(PRINT_MASK_CLOSE, usbms_log_handle, 468 "usbms_close exiting"); 469 470 return (0); 471 } 472 473 474 /* 475 * usbms_rserv() : 476 * Read queue service routine. 477 * Turn buffered mouse events into stream messages. 478 */ 479 static void 480 usbms_rserv(queue_t *q) 481 { 482 usbms_state_t *usbmsp = q->q_ptr; 483 struct ms_softc *ms; 484 struct usbmousebuf *b; 485 struct usbmouseinfo *mi; 486 mblk_t *bp; 487 ushort_t i, loop; 488 uchar_t nbutt = (uchar_t)usbmsp->usbms_num_buttons; 489 490 ms = &usbmsp->usbms_softc; 491 b = usbmsp->usbms_buf; 492 493 USB_DPRINTF_L3(PRINT_MASK_SERV, usbms_log_handle, 494 "usbms_rserv entering"); 495 496 while (canputnext(q) && ms->ms_oldoff != b->mb_off) { 497 mi = &b->mb_info[ms->ms_oldoff]; 498 switch (ms->ms_readformat) { 499 500 case MS_3BYTE_FORMAT: { 501 register char *cp; 502 503 if ((usbmsp->usbms_idf).xlen != 1) { 504 USB_DPRINTF_L3(PRINT_MASK_SERV, 505 usbms_log_handle, 506 "Can't set to 3 byte format. Length != 1"); 507 508 return; 509 } 510 if ((bp = allocb(3, BPRI_HI)) != NULL) { 511 cp = (char *)bp->b_wptr; 512 513 *cp++ = 0x80 | (mi->mi_buttons & 0xFF); 514 /* Update read buttons */ 515 ms->ms_prevbuttons = mi->mi_buttons; 516 517 *cp++ = (mi->mi_x & 0xFF); 518 *cp++ = ((-mi->mi_y) & 0xFF); 519 /* lower pri to avoid mouse droppings */ 520 bp->b_wptr = (uchar_t *)cp; 521 putnext(q, bp); 522 } else { 523 if (usbmsp->usbms_resched_id) { 524 qunbufcall(q, 525 (bufcall_id_t)usbmsp-> 526 usbms_resched_id); 527 } 528 usbmsp->usbms_resched_id = qbufcall(q, 529 (size_t)3, 530 (uint_t)BPRI_HI, 531 (void (*)())usbms_resched, 532 (void *) usbmsp); 533 if (usbmsp->usbms_resched_id == 0) 534 535 return; /* try again later */ 536 /* bufcall failed; just pitch this event */ 537 /* or maybe flush queue? */ 538 } 539 ms->ms_oldoff++; /* next event */ 540 541 /* circular buffer wraparound */ 542 if (ms->ms_oldoff >= b->mb_size) { 543 ms->ms_oldoff = 0; 544 } 545 break; 546 } 547 548 case MS_VUID_FORMAT: 549 default: { 550 551 do { 552 bp = NULL; 553 554 switch (ms->ms_eventstate) { 555 556 case EVENT_WHEEL: 557 loop = (usbmsp->usbms_num_wheels ? 558 1 : 0); 559 560 if (usbmsp->usbms_num_wheels) { 561 for (i = 0; i < loop; i++) { 562 usbms_rserv_vuid_event_wheel 563 (q, mi, &bp, i); 564 } 565 } 566 567 break; 568 case EVENT_BUT8: 569 case EVENT_BUT7: 570 case EVENT_BUT6: 571 case EVENT_BUT5: 572 case EVENT_BUT4: 573 case EVENT_BUT3: /* Send right button */ 574 case EVENT_BUT2: /* Send middle button */ 575 case EVENT_BUT1: /* Send left button */ 576 usbms_rserv_vuid_button(q, mi, &bp); 577 578 break; 579 case EVENT_Y: 580 usbms_rserv_vuid_event_y(q, mi, &bp); 581 582 break; 583 case EVENT_X: 584 usbms_rserv_vuid_event_x(q, mi, &bp); 585 586 break; 587 default: 588 /* start again */ 589 ms->ms_eventstate = EVENT_WHEEL; 590 591 break; 592 } 593 if (bp != NULL) { 594 /* lower pri to avoid mouse droppings */ 595 bp->b_wptr += sizeof (Firm_event); 596 putnext(q, bp); 597 } 598 if (ms->ms_eventstate == EVENT_X) { 599 ms->ms_eventstate = EVENT_WHEEL; 600 } else if (ms->ms_eventstate == EVENT_WHEEL) { 601 ms->ms_oldoff++; /* next event */ 602 /* circular buffer wraparound */ 603 if (ms->ms_oldoff >= b->mb_size) { 604 ms->ms_oldoff = 0; 605 } 606 ms->ms_eventstate = EVENT_BUT(nbutt); 607 } else 608 ms->ms_eventstate--; 609 } while (ms->ms_eventstate != EVENT_BUT(nbutt)); 610 } 611 } 612 } 613 USB_DPRINTF_L3(PRINT_MASK_SERV, usbms_log_handle, 614 "usbms_rserv exiting"); 615 } 616 617 618 /* 619 * usbms_rserv_vuid_event_wheel 620 * convert wheel data to firm events 621 */ 622 static void 623 usbms_rserv_vuid_event_wheel(queue_t *q, 624 struct usbmouseinfo *mi, 625 mblk_t **bpaddr, 626 ushort_t id) 627 { 628 Firm_event *fep; 629 mblk_t *tmp; 630 struct ms_softc *ms; 631 usbms_state_t *usbmsp = (usbms_state_t *)q->q_ptr; 632 633 if (!(usbmsp->usbms_wheel_state_bf & (1 << id))) { 634 635 return; 636 } 637 ms = &usbmsp->usbms_softc; 638 if (mi->mi_z) { 639 if ((tmp = allocb(sizeof (Firm_event), BPRI_HI)) != NULL) { 640 fep = (Firm_event *)tmp->b_wptr; 641 fep->id = vuid_id_addr(vuid_first(VUID_WHEEL)) | 642 vuid_id_offset(id); 643 fep->pair_type = FE_PAIR_NONE; 644 fep->pair = NULL; 645 fep->value = mi->mi_z; 646 fep->time = mi->mi_time; 647 *bpaddr = tmp; 648 } else { 649 if (usbmsp->usbms_resched_id) { 650 qunbufcall(q, 651 (bufcall_id_t)usbmsp->usbms_resched_id); 652 } 653 usbmsp->usbms_resched_id = 654 qbufcall(q, sizeof (Firm_event), BPRI_HI, 655 (void (*)())usbms_resched, (void *) usbmsp); 656 if (usbmsp->usbms_resched_id == 0) { 657 /* try again later */ 658 659 return; 660 } 661 662 /* flush the queue */ 663 ms->ms_eventstate = EVENT_WHEEL; 664 } 665 } 666 } 667 668 669 /* 670 * usbms_rserv_vuid_button() : 671 * Process a VUID button event 672 */ 673 static void 674 usbms_rserv_vuid_button(queue_t *q, 675 struct usbmouseinfo *mi, 676 mblk_t **bpaddr) 677 { 678 usbms_state_t *usbmsp = q->q_ptr; 679 struct ms_softc *ms; 680 int button_number; 681 uchar_t hwbit = 0x0; 682 Firm_event *fep; 683 mblk_t *bp; 684 uchar_t nbutt; 685 686 ms = &usbmsp->usbms_softc; 687 688 /* Test button. Send an event if it changed. */ 689 nbutt = (uchar_t)usbmsp->usbms_num_buttons; 690 button_number = nbutt - (EVENT_BUT(nbutt) - ms->ms_eventstate) - 1; 691 switch (button_number) { 692 case 2: 693 /* Right button */ 694 hwbit = 0x01; 695 696 break; 697 case 1: 698 /* 699 * On two-button mice, the second button is the "right" 700 * button. There is no "middle". The vuidps2.c file has 701 * a bmap[] array in sendButtonEvent(). We do something 702 * equivalent here ONLY in the case of two-button mice. 703 */ 704 if (nbutt == 2) { 705 hwbit = 0x01; 706 /* 707 * Trick the vuid message into thinking it's a 708 * right-button click also. 709 */ 710 button_number = 2; 711 } else { 712 /* ... otherwise, it's just the middle button */ 713 hwbit = 0x02; 714 } 715 break; 716 case 0: 717 /* Left button */ 718 hwbit = 0x04; 719 720 break; 721 default : 722 /* Any other button */ 723 hwbit = USBMS_BUT(nbutt) >> (EVENT_BUT(nbutt) - 724 ms->ms_eventstate); 725 726 break; 727 } 728 729 if ((ms->ms_prevbuttons & hwbit) != 730 (mi->mi_buttons & hwbit)) { 731 if ((bp = allocb(sizeof (Firm_event), 732 BPRI_HI)) != NULL) { 733 *bpaddr = bp; 734 fep = (Firm_event *)bp->b_wptr; 735 fep->id = vuid_id_addr( 736 ms->ms_vuidaddr) | 737 vuid_id_offset(BUT(1) 738 + button_number); 739 fep->pair_type = FE_PAIR_NONE; 740 fep->pair = 0; 741 742 /* 743 * Update read buttons and set 744 * value 745 */ 746 if (mi->mi_buttons & hwbit) { 747 fep->value = 0; 748 ms->ms_prevbuttons |= 749 hwbit; 750 } else { 751 fep->value = 1; 752 ms->ms_prevbuttons &= 753 ~hwbit; 754 } 755 fep->time = mi->mi_time; 756 } else { 757 if (usbmsp->usbms_resched_id) { 758 qunbufcall(q, 759 (bufcall_id_t)usbmsp->usbms_resched_id); 760 } 761 usbmsp->usbms_resched_id = 762 qbufcall(q, 763 sizeof (Firm_event), 764 BPRI_HI, 765 (void (*)())usbms_resched, 766 (void *) usbmsp); 767 if (usbmsp->usbms_resched_id == 0) 768 /* try again later */ 769 return; 770 /* 771 * bufcall failed; just pitch 772 * this event 773 */ 774 /* or maybe flush queue? */ 775 ms->ms_eventstate = EVENT_WHEEL; 776 } 777 } 778 } 779 780 /* 781 * usbms_rserv_vuid_event_y() : 782 * Process a VUID y-event 783 */ 784 static void 785 usbms_rserv_vuid_event_y(register queue_t *q, 786 register struct usbmouseinfo *mi, 787 mblk_t **bpaddr) 788 { 789 usbms_state_t *usbmsp = q->q_ptr; 790 register struct ms_softc *ms; 791 register Firm_event *fep; 792 mblk_t *bp; 793 794 ms = &usbmsp->usbms_softc; 795 796 /* 797 * The (max, 0) message and (0, max) message are always sent before 798 * the button click message is sent on the IBM Bladecenter. Stop 799 * their sending may prevent the coordinate from moving to the 800 * (max, max). 801 */ 802 if (!(((usbmsp->usbms_idf).yattr) & HID_MAIN_ITEM_RELATIVE)) { 803 if ((mi->mi_x == 0) && 804 (mi->mi_y == usbmsp->usbms_logical_Ymax)) { 805 806 return; 807 } 808 } 809 810 /* Send y if changed. */ 811 if (mi->mi_y != 0) { 812 if ((bp = allocb(sizeof (Firm_event), 813 BPRI_HI)) != NULL) { 814 *bpaddr = bp; 815 fep = (Firm_event *)bp->b_wptr; 816 if (((usbmsp->usbms_idf).yattr) & 817 HID_MAIN_ITEM_RELATIVE) { 818 fep->id = vuid_id_addr( 819 ms->ms_vuidaddr) | 820 vuid_id_offset( 821 LOC_Y_DELTA); 822 fep->pair_type = 823 FE_PAIR_ABSOLUTE; 824 fep->pair = 825 (uchar_t)LOC_Y_ABSOLUTE; 826 fep->value = -(mi->mi_y); 827 } else { 828 fep->id = vuid_id_addr( 829 ms->ms_vuidaddr) | 830 vuid_id_offset( 831 LOC_Y_ABSOLUTE); 832 fep->pair_type = FE_PAIR_DELTA; 833 fep->pair = (uchar_t)LOC_Y_DELTA; 834 fep->value = (mi->mi_y * 835 ((usbmsp->usbms_resolution).height) / 836 usbmsp->usbms_logical_Ymax); 837 if ((mi->mi_y * 838 ((usbmsp->usbms_resolution).height) % 839 usbmsp->usbms_logical_Ymax) >= 840 (usbmsp->usbms_logical_Ymax / 2)) { 841 fep->value ++; 842 } 843 } 844 fep->time = mi->mi_time; 845 } else { 846 if (usbmsp->usbms_resched_id) { 847 qunbufcall(q, 848 (bufcall_id_t)usbmsp->usbms_resched_id); 849 } 850 usbmsp->usbms_resched_id = 851 qbufcall(q, 852 sizeof (Firm_event), 853 BPRI_HI, 854 (void (*)())usbms_resched, 855 (void *)usbmsp); 856 if (usbmsp->usbms_resched_id == 0) { 857 /* try again later */ 858 return; 859 } 860 861 /* 862 * bufcall failed; just pitch 863 * this event 864 */ 865 /* or maybe flush queue? */ 866 ms->ms_eventstate = EVENT_WHEEL; 867 } 868 } 869 } 870 871 /* 872 * usbms_rserv_vuid_event_x() : 873 * Process a VUID x-event 874 */ 875 static void 876 usbms_rserv_vuid_event_x(register queue_t *q, 877 register struct usbmouseinfo *mi, 878 mblk_t **bpaddr) 879 { 880 usbms_state_t *usbmsp = q->q_ptr; 881 register struct ms_softc *ms; 882 register Firm_event *fep; 883 mblk_t *bp; 884 885 ms = &usbmsp->usbms_softc; 886 887 /* 888 * The (max, 0) message and (0, max) message are always sent before 889 * the button click message is sent on the IBM Bladecenter. Stop 890 * their sending may prevent the coordinate from moving to the 891 * (max, max). 892 */ 893 if (!(((usbmsp->usbms_idf).xattr) & HID_MAIN_ITEM_RELATIVE)) { 894 if ((mi->mi_y == 0) && 895 (mi->mi_x == usbmsp->usbms_logical_Xmax)) { 896 897 return; 898 } 899 } 900 901 /* Send x if changed. */ 902 if (mi->mi_x != 0) { 903 if ((bp = allocb(sizeof (Firm_event), 904 BPRI_HI)) != NULL) { 905 *bpaddr = bp; 906 fep = (Firm_event *)bp->b_wptr; 907 if (((usbmsp->usbms_idf).xattr) & 908 HID_MAIN_ITEM_RELATIVE) { 909 fep->id = vuid_id_addr( 910 ms->ms_vuidaddr) | 911 vuid_id_offset(LOC_X_DELTA); 912 fep->pair_type = 913 FE_PAIR_ABSOLUTE; 914 fep->pair = 915 (uchar_t)LOC_X_ABSOLUTE; 916 fep->value = mi->mi_x; 917 } else { 918 fep->id = vuid_id_addr(ms->ms_vuidaddr) | 919 vuid_id_offset(LOC_X_ABSOLUTE); 920 fep->pair_type = FE_PAIR_DELTA; 921 fep->pair = (uchar_t)LOC_X_DELTA; 922 fep->value = (mi->mi_x * 923 ((usbmsp->usbms_resolution).width) / 924 usbmsp->usbms_logical_Xmax); 925 if ((mi->mi_x * 926 ((usbmsp->usbms_resolution).width) % 927 usbmsp->usbms_logical_Xmax) >= 928 (usbmsp->usbms_logical_Xmax / 2)) { 929 fep->value ++; 930 } 931 } 932 fep->time = mi->mi_time; 933 } else { 934 if (usbmsp->usbms_resched_id) 935 qunbufcall(q, 936 (bufcall_id_t)usbmsp->usbms_resched_id); 937 usbmsp->usbms_resched_id = 938 qbufcall(q, 939 sizeof (Firm_event), 940 BPRI_HI, 941 (void (*)())usbms_resched, 942 (void *) usbmsp); 943 if (usbmsp->usbms_resched_id == 0) 944 /* try again later */ 945 return; 946 947 /* 948 * bufcall failed; just 949 * pitch this event 950 */ 951 /* or maybe flush queue? */ 952 ms->ms_eventstate = EVENT_WHEEL; 953 } 954 } 955 } 956 957 /* 958 * usbms_resched() : 959 * Callback routine for the qbufcall() in case 960 * of allocb() failure. When buffer becomes 961 * available, this function is called and 962 * enables the queue. 963 */ 964 static void 965 usbms_resched(void * usbmsp) 966 { 967 register queue_t *q; 968 register usbms_state_t *tmp_usbmsp = (usbms_state_t *)usbmsp; 969 970 tmp_usbmsp->usbms_resched_id = 0; 971 if ((q = tmp_usbmsp->usbms_rq_ptr) != 0) 972 qenable(q); /* run the service procedure */ 973 } 974 975 /* 976 * usbms_wput() : 977 * wput() routine for the mouse module. 978 * Module below : hid, module above : consms 979 */ 980 static int 981 usbms_wput(queue_t *q, 982 mblk_t *mp) 983 { 984 USB_DPRINTF_L3(PRINT_MASK_ALL, usbms_log_handle, 985 "usbms_wput entering"); 986 switch (mp->b_datap->db_type) { 987 988 case M_FLUSH: /* Canonical flush handling */ 989 if (*mp->b_rptr & FLUSHW) { 990 flushq(q, FLUSHDATA); 991 } 992 993 if (*mp->b_rptr & FLUSHR) { 994 flushq(RD(q), FLUSHDATA); 995 } 996 997 putnext(q, mp); /* pass it down the line. */ 998 break; 999 1000 case M_IOCTL: 1001 usbms_ioctl(q, mp); 1002 break; 1003 1004 case M_IOCDATA: 1005 usbms_miocdata(q, mp); 1006 1007 break; 1008 default: 1009 putnext(q, mp); /* pass it down the line. */ 1010 } 1011 1012 USB_DPRINTF_L3(PRINT_MASK_ALL, usbms_log_handle, 1013 "usbms_wput exiting"); 1014 1015 return (0); 1016 } 1017 1018 1019 /* 1020 * usbms_ioctl() : 1021 * Process ioctls we recognize and own. Otherwise, NAK. 1022 */ 1023 static void 1024 usbms_ioctl(register queue_t *q, 1025 register mblk_t *mp) 1026 { 1027 usbms_state_t *usbmsp = (usbms_state_t *)q->q_ptr; 1028 register struct ms_softc *ms; 1029 register struct iocblk *iocp; 1030 Vuid_addr_probe *addr_probe; 1031 uint_t ioctlrespsize; 1032 int err = 0; 1033 mblk_t *datap; 1034 ushort_t transparent = 0; 1035 boolean_t report_abs = B_FALSE; 1036 mblk_t *mb; 1037 1038 USB_DPRINTF_L3(PRINT_MASK_IOCTL, usbms_log_handle, 1039 "usbms_ioctl entering"); 1040 1041 if (usbmsp == NULL) { 1042 miocnak(q, mp, 0, EINVAL); 1043 1044 return; 1045 } 1046 ms = &usbmsp->usbms_softc; 1047 1048 iocp = (struct iocblk *)mp->b_rptr; 1049 switch (iocp->ioc_cmd) { 1050 1051 case VUIDSFORMAT: 1052 err = miocpullup(mp, sizeof (int)); 1053 if (err != 0) 1054 break; 1055 1056 if (*(int *)mp->b_cont->b_rptr == ms->ms_readformat) { 1057 break; 1058 } 1059 ms->ms_readformat = *(int *)mp->b_cont->b_rptr; 1060 /* 1061 * Flush mouse buffer because the messages upstream of us 1062 * are in the old format. 1063 */ 1064 1065 usbms_flush(usbmsp); 1066 break; 1067 1068 case VUIDGFORMAT: 1069 if ((datap = allocb(sizeof (int), BPRI_HI)) == NULL) { 1070 ioctlrespsize = sizeof (int); 1071 goto allocfailure; 1072 } 1073 *(int *)datap->b_wptr = ms->ms_readformat; 1074 datap->b_wptr += sizeof (int); 1075 freemsg(mp->b_cont); 1076 mp->b_cont = datap; 1077 iocp->ioc_count = sizeof (int); 1078 break; 1079 1080 case VUIDGADDR: 1081 case VUIDSADDR: 1082 err = miocpullup(mp, sizeof (Vuid_addr_probe)); 1083 if (err != 0) 1084 break; 1085 1086 addr_probe = (Vuid_addr_probe *)mp->b_cont->b_rptr; 1087 if (addr_probe->base != VKEY_FIRST) { 1088 err = ENODEV; 1089 break; 1090 } 1091 if (iocp->ioc_cmd == VUIDSADDR) 1092 ms->ms_vuidaddr = addr_probe->data.next; 1093 else 1094 addr_probe->data.current = ms->ms_vuidaddr; 1095 break; 1096 1097 case MSIOGETPARMS: 1098 if ((datap = allocb(sizeof (Ms_parms), BPRI_HI)) == NULL) { 1099 ioctlrespsize = sizeof (Ms_parms); 1100 goto allocfailure; 1101 } 1102 err = usbms_getparms((Ms_parms *)datap->b_wptr, usbmsp); 1103 datap->b_wptr += sizeof (Ms_parms); 1104 freemsg(mp->b_cont); 1105 mp->b_cont = datap; 1106 iocp->ioc_count = sizeof (Ms_parms); 1107 break; 1108 1109 case MSIOSETPARMS: 1110 err = miocpullup(mp, sizeof (Ms_parms)); 1111 if (err != 0) 1112 break; 1113 err = usbms_setparms((Ms_parms *)mp->b_cont->b_rptr, usbmsp); 1114 break; 1115 1116 case MSIOBUTTONS: 1117 if ((datap = allocb(sizeof (int), BPRI_HI)) == NULL) { 1118 ioctlrespsize = sizeof (int); 1119 goto allocfailure; 1120 } 1121 *(int *)datap->b_wptr = (int)usbmsp->usbms_num_buttons; 1122 datap->b_wptr += sizeof (int); 1123 freemsg(mp->b_cont); 1124 mp->b_cont = datap; 1125 iocp->ioc_count = sizeof (int); 1126 1127 break; 1128 case VUIDGWHEELCOUNT: 1129 /* 1130 * New IOCTL support. Since it's explicitly mentioned that 1131 * you can't add more ioctls to stream head's hard coded 1132 * list, we have to do the transparent ioctl processing 1133 * which is heavy. 1134 */ 1135 1136 /* Currently support for only one wheel */ 1137 1138 if (iocp->ioc_count == TRANSPARENT) { 1139 transparent = 1; 1140 if (err = usbms_make_copyreq(mp, 0, 0, sizeof (int), 1141 0, M_COPYOUT)) { 1142 1143 break; 1144 } 1145 } 1146 if ((datap = allocb(sizeof (int), BPRI_HI)) == NULL) { 1147 ioctlrespsize = sizeof (int); 1148 1149 goto allocfailure; 1150 } 1151 *((int *)datap->b_wptr) = (usbmsp->usbms_num_wheels ? 1 : 0); 1152 datap->b_wptr += sizeof (int); 1153 if (mp->b_cont) { 1154 freemsg(mp->b_cont); 1155 mp->b_cont = NULL; 1156 } 1157 mp->b_cont = datap; 1158 if (transparent) { 1159 qreply(q, mp); 1160 1161 return; 1162 } 1163 1164 break; 1165 case VUIDGWHEELINFO: 1166 if (iocp->ioc_count == TRANSPARENT) { 1167 if (err = usbms_make_copyreq(mp, 1168 sizeof (usbms_iocstate_t), 1169 USBMS_GETSTRUCT, 1170 sizeof (wheel_info), 1171 0, 1172 M_COPYIN)) { 1173 1174 break; 1175 } 1176 /* 1177 * If there is no b_cont the earlier func. will fail. 1178 * Hence there is no need for an explicit check here. 1179 */ 1180 freemsg(mp->b_cont); 1181 mp->b_cont = (mblk_t *)NULL; 1182 qreply(q, mp); 1183 1184 return; 1185 } 1186 if (mp->b_cont == NULL || iocp->ioc_count != 1187 sizeof (wheel_info)) { 1188 err = EINVAL; 1189 break; 1190 } 1191 datap = mp->b_cont; 1192 err = usbms_service_wheel_info(q, datap); 1193 1194 break; 1195 case VUIDGWHEELSTATE: 1196 if (iocp->ioc_count == TRANSPARENT) { 1197 if (err = usbms_make_copyreq(mp, 1198 sizeof (usbms_iocstate_t), 1199 USBMS_GETSTRUCT, 1200 sizeof (wheel_state), 1201 0, 1202 M_COPYIN)) { 1203 1204 break; 1205 } 1206 freemsg(mp->b_cont); 1207 mp->b_cont = (mblk_t *)NULL; 1208 qreply(q, mp); 1209 1210 return; 1211 } 1212 if ((mp->b_cont == NULL) || 1213 (iocp->ioc_count != sizeof (wheel_state))) { 1214 err = EINVAL; 1215 1216 break; 1217 } 1218 datap = mp->b_cont; 1219 err = usbms_service_wheel_state(q, datap, VUIDGWHEELSTATE); 1220 1221 break; 1222 case VUIDSWHEELSTATE: 1223 if (iocp->ioc_count == TRANSPARENT) { 1224 if (err = usbms_make_copyreq(mp, 1225 sizeof (usbms_iocstate_t), 1226 USBMS_GETSTRUCT, 1227 sizeof (wheel_state), 1228 0, 1229 M_COPYIN)) { 1230 1231 break; 1232 } 1233 freemsg(mp->b_cont); 1234 mp->b_cont = (mblk_t *)NULL; 1235 qreply(q, mp); 1236 1237 return; 1238 } 1239 if (mp->b_cont == NULL) { 1240 err = EINVAL; 1241 1242 break; 1243 } 1244 datap = mp->b_cont; 1245 err = usbms_service_wheel_state(q, datap, VUIDSWHEELSTATE); 1246 1247 break; 1248 case MSIOSRESOLUTION: 1249 if (iocp->ioc_count == TRANSPARENT) { 1250 if (err = usbms_make_copyreq(mp, 1251 sizeof (usbms_iocstate_t), 1252 USBMS_GETSTRUCT, 1253 sizeof (Ms_screen_resolution), 1254 0, 1255 M_COPYIN)) { 1256 1257 break; 1258 } 1259 1260 freemsg(mp->b_cont); 1261 mp->b_cont = (mblk_t *)NULL; 1262 qreply(q, mp); 1263 1264 return; 1265 } 1266 if (mp->b_cont == NULL) { 1267 err = EINVAL; 1268 1269 break; 1270 } 1271 datap = mp->b_cont; 1272 err = usbms_get_screen_parms(q, datap); 1273 /* 1274 * Create the absolute mouse type event. 1275 * It is used for the hotplug absolute mouse. 1276 */ 1277 if ((!((usbmsp->usbms_idf).xattr & HID_MAIN_ITEM_RELATIVE)) && 1278 (usbmsp->usbms_rpt_abs == B_FALSE)) { 1279 report_abs = B_TRUE; 1280 } 1281 1282 break; 1283 1284 default: 1285 putnext(q, mp); /* pass it down the line */ 1286 1287 return; 1288 } /* switch */ 1289 1290 if (err != 0) 1291 miocnak(q, mp, 0, err); 1292 else { 1293 iocp->ioc_rval = 0; 1294 iocp->ioc_error = 0; 1295 mp->b_datap->db_type = M_IOCACK; 1296 qreply(q, mp); 1297 1298 if (report_abs == B_TRUE) { 1299 /* send the abs mouse type event to the upper level */ 1300 if ((mb = usbms_setup_abs_mouse_event()) != NULL) { 1301 usbmsp->usbms_rpt_abs = B_TRUE; 1302 qreply(q, mb); 1303 } 1304 } 1305 } 1306 1307 return; 1308 1309 allocfailure: 1310 /* 1311 * We needed to allocate something to handle this "ioctl", but 1312 * couldn't; save this "ioctl" and arrange to get called back when 1313 * it's more likely that we can get what we need. 1314 * If there's already one being saved, throw it out, since it 1315 * must have timed out. 1316 */ 1317 freemsg(usbmsp->usbms_iocpending); 1318 usbmsp->usbms_iocpending = mp; 1319 if (usbmsp->usbms_reioctl_id) { 1320 qunbufcall(q, (bufcall_id_t)usbmsp->usbms_reioctl_id); 1321 } 1322 usbmsp->usbms_reioctl_id = qbufcall(q, ioctlrespsize, BPRI_HI, 1323 (void (*)())usbms_reioctl, 1324 (void *)usbmsp); 1325 } 1326 1327 1328 /* 1329 * M_IOCDATA processing for IOCTL's: VUIDGWHEELCOUNT, VUIDGWHEELINFO, 1330 * VUIDGWHEELSTATE, VUIDSWHEELSTATE & MSIOSRESOLUTION. 1331 */ 1332 static void 1333 usbms_miocdata(register queue_t *q, 1334 register mblk_t *mp) 1335 { 1336 struct copyresp *copyresp; 1337 struct iocblk *iocbp; 1338 mblk_t *datap; 1339 mblk_t *ioctmp; 1340 usbms_iocstate_t *usbmsioc; 1341 int err = 0; 1342 1343 copyresp = (struct copyresp *)mp->b_rptr; 1344 iocbp = (struct iocblk *)mp->b_rptr; 1345 if (copyresp->cp_rval) { 1346 err = EAGAIN; 1347 1348 goto err; 1349 } 1350 switch (copyresp->cp_cmd) { 1351 1352 case VUIDGWHEELCOUNT: 1353 usbms_ack_ioctl(mp); 1354 1355 break; 1356 case VUIDGWHEELINFO: 1357 ioctmp = copyresp->cp_private; 1358 usbmsioc = (usbms_iocstate_t *)ioctmp->b_rptr; 1359 if (usbmsioc->ioc_state == USBMS_GETSTRUCT) { 1360 if (mp->b_cont == NULL) { 1361 err = EINVAL; 1362 1363 break; 1364 } 1365 datap = (mblk_t *)mp->b_cont; 1366 if (err = usbms_service_wheel_info(q, datap)) { 1367 1368 goto err; 1369 } 1370 if (err = usbms_make_copyreq(mp, 0, USBMS_GETRESULT, 1371 sizeof (wheel_info), 0, M_COPYOUT)) { 1372 1373 goto err; 1374 } 1375 } else if (usbmsioc->ioc_state == USBMS_GETRESULT) { 1376 freemsg(ioctmp); 1377 usbms_ack_ioctl(mp); 1378 } 1379 1380 break; 1381 case VUIDGWHEELSTATE: 1382 ioctmp = (mblk_t *)copyresp->cp_private; 1383 usbmsioc = (usbms_iocstate_t *)ioctmp->b_rptr; 1384 if (usbmsioc->ioc_state == USBMS_GETSTRUCT) { 1385 if (mp->b_cont == NULL) { 1386 err = EINVAL; 1387 1388 break; 1389 } 1390 if (err = usbms_service_wheel_state(q, mp->b_cont, 1391 VUIDGWHEELSTATE)) { 1392 goto err; 1393 } 1394 if (err = usbms_make_copyreq(mp, 0, USBMS_GETRESULT, 1395 sizeof (wheel_state), 0, M_COPYOUT)) { 1396 1397 goto err; 1398 } 1399 } else if (usbmsioc->ioc_state == USBMS_GETRESULT) { 1400 freemsg(ioctmp); 1401 usbms_ack_ioctl(mp); 1402 } 1403 1404 break; 1405 case VUIDSWHEELSTATE: 1406 ioctmp = (mblk_t *)copyresp->cp_private; 1407 usbmsioc = (usbms_iocstate_t *)ioctmp->b_rptr; 1408 if (mp->b_cont == NULL) { 1409 err = EINVAL; 1410 1411 break; 1412 } 1413 if (err = usbms_service_wheel_state(q, mp->b_cont, 1414 VUIDSWHEELSTATE)) { 1415 1416 goto err; 1417 } 1418 freemsg(ioctmp); 1419 usbms_ack_ioctl(mp); 1420 1421 break; 1422 case MSIOSRESOLUTION: 1423 ioctmp = (mblk_t *)copyresp->cp_private; 1424 usbmsioc = (usbms_iocstate_t *)ioctmp->b_rptr; 1425 if (mp->b_cont == NULL) { 1426 err = EINVAL; 1427 1428 break; 1429 } 1430 if (err = usbms_get_screen_parms(q, mp->b_cont)) { 1431 1432 goto err; 1433 } 1434 freemsg(ioctmp); 1435 usbms_ack_ioctl(mp); 1436 1437 break; 1438 default: 1439 err = EINVAL; 1440 break; 1441 } 1442 1443 err: 1444 if (err) { 1445 mp->b_datap->db_type = M_IOCNAK; 1446 if (mp->b_cont) { 1447 freemsg(mp->b_cont); 1448 mp->b_cont = (mblk_t *)NULL; 1449 } 1450 if (copyresp->cp_private) { 1451 freemsg((mblk_t *)copyresp->cp_private); 1452 copyresp->cp_private = (mblk_t *)NULL; 1453 } 1454 iocbp->ioc_count = 0; 1455 iocbp->ioc_error = err; 1456 } 1457 qreply(q, mp); 1458 } 1459 1460 1461 /* 1462 * usbms_reioctl() : 1463 * This function is set up as call-back function should an ioctl fail. 1464 * It retries the ioctl. 1465 */ 1466 static void 1467 usbms_reioctl(void * usbms_addr) 1468 { 1469 usbms_state_t *usbmsp = (usbms_state_t *)usbms_addr; 1470 register queue_t *q; 1471 register mblk_t *mp; 1472 1473 q = usbmsp->usbms_wq_ptr; 1474 if ((mp = usbmsp->usbms_iocpending) != NULL) { 1475 usbmsp->usbms_iocpending = NULL; /* not pending any more */ 1476 usbms_ioctl(q, mp); 1477 } 1478 } 1479 1480 /* 1481 * usbms_getparms() : 1482 * Called from MSIOGETPARMS ioctl to get the 1483 * current jitter_thesh, speed_law and speed_limit 1484 * values. 1485 */ 1486 static int 1487 usbms_getparms(register Ms_parms *data, 1488 usbms_state_t *usbmsp) 1489 { 1490 data->jitter_thresh = usbmsp->usbms_jitter_thresh; 1491 data->speed_law = usbmsp->usbms_speedlaw; 1492 data->speed_limit = usbmsp->usbms_speedlimit; 1493 1494 return (0); 1495 } 1496 1497 1498 /* 1499 * usbms_setparms() : 1500 * Called from MSIOSETPARMS ioctl to set the 1501 * current jitter_thesh, speed_law and speed_limit 1502 * values. 1503 */ 1504 static int 1505 usbms_setparms(register Ms_parms *data, 1506 usbms_state_t *usbmsp) 1507 { 1508 usbmsp->usbms_jitter_thresh = data->jitter_thresh; 1509 usbmsp->usbms_speedlaw = data->speed_law; 1510 usbmsp->usbms_speedlimit = data->speed_limit; 1511 1512 return (0); 1513 } 1514 1515 /* 1516 * usbms_flush() : 1517 * Resets the ms_softc structure to default values 1518 * and sends M_FLUSH above. 1519 */ 1520 static void 1521 usbms_flush(usbms_state_t *usbmsp) 1522 { 1523 register struct ms_softc *ms = &usbmsp->usbms_softc; 1524 register queue_t *q; 1525 1526 USB_DPRINTF_L3(PRINT_MASK_ALL, usbms_log_handle, 1527 "usbms_flush entering"); 1528 1529 ms->ms_oldoff = 0; 1530 ms->ms_eventstate = EVENT_BUT(usbmsp->usbms_num_buttons); 1531 usbmsp->usbms_buf->mb_off = 0; 1532 ms->ms_prevbuttons = (char)USB_NO_BUT_PRESSED; 1533 usbmsp->usbms_oldbutt = ms->ms_prevbuttons; 1534 if ((q = usbmsp->usbms_rq_ptr) != NULL && q->q_next != NULL) { 1535 (void) putnextctl1(q, M_FLUSH, FLUSHR); 1536 } 1537 1538 USB_DPRINTF_L3(PRINT_MASK_ALL, usbms_log_handle, 1539 "usbms_flush exiting"); 1540 } 1541 1542 1543 /* 1544 * usbms_rput() : 1545 * Put procedure for input from driver end of stream (read queue). 1546 */ 1547 static void 1548 usbms_rput(queue_t *q, 1549 mblk_t *mp) 1550 { 1551 usbms_state_t *usbmsp = q->q_ptr; 1552 mblk_t *tmp_mp; 1553 ushort_t limit = (usbmsp->usbms_idf).tlen; 1554 1555 /* Maintain the original mp */ 1556 tmp_mp = mp; 1557 1558 if (usbmsp == 0) { 1559 freemsg(mp); /* nobody's listening */ 1560 1561 return; 1562 } 1563 1564 switch (mp->b_datap->db_type) { 1565 1566 case M_FLUSH: 1567 if (*mp->b_rptr & FLUSHW) 1568 flushq(WR(q), FLUSHDATA); 1569 if (*mp->b_rptr & FLUSHR) 1570 flushq(q, FLUSHDATA); 1571 freemsg(mp); 1572 1573 return; 1574 1575 case M_BREAK: 1576 /* 1577 * We don't have to handle this 1578 * because nothing is sent from the downstream 1579 */ 1580 1581 freemsg(mp); 1582 1583 return; 1584 1585 case M_DATA: 1586 if (!(usbmsp->usbms_flags & USBMS_OPEN)) { 1587 freemsg(mp); /* not ready to listen */ 1588 1589 return; 1590 } 1591 break; 1592 1593 case M_CTL: 1594 usbms_mctl_receive(q, mp); 1595 1596 return; 1597 1598 case M_ERROR: 1599 usbmsp->usbms_protoerr = 1; 1600 usbmsp->usbms_flags &= ~USBMS_QWAIT; 1601 if (*mp->b_rptr == ENODEV) { 1602 putnext(q, mp); 1603 } else { 1604 freemsg(mp); 1605 } 1606 1607 return; 1608 default: 1609 putnext(q, mp); 1610 1611 return; 1612 } 1613 1614 /* 1615 * A data message, consisting of bytes from the mouse. 1616 * Make sure there are atleast "limit" number of bytes. 1617 */ 1618 if ((MBLKL(tmp_mp) < limit) || ((MBLKL(tmp_mp) == limit) && 1619 (usbmsp->usbms_rptid != HID_REPORT_ID_UNDEFINED))) { 1620 freemsg(mp); 1621 return; 1622 } 1623 do { 1624 if (usbmsp->usbms_rptid != HID_REPORT_ID_UNDEFINED) { 1625 if (*(tmp_mp->b_rptr) != usbmsp->usbms_rptid) { 1626 freemsg(mp); 1627 1628 return; 1629 } else { 1630 /* We skip the report id prefix. */ 1631 tmp_mp->b_rptr++; 1632 } 1633 } 1634 1635 usbms_input(usbmsp, tmp_mp); 1636 } while ((tmp_mp = tmp_mp->b_cont) != NULL); /* next block, if any */ 1637 1638 freemsg(mp); 1639 } 1640 1641 1642 /* 1643 * usbms_mctl_receive() : 1644 * Handle M_CTL messages from hid. If 1645 * we don't understand the command, free message. 1646 */ 1647 static void 1648 usbms_mctl_receive(register queue_t *q, 1649 register mblk_t *mp) 1650 { 1651 usbms_state_t *usbmsd = (usbms_state_t *)q->q_ptr; 1652 struct iocblk *iocp; 1653 caddr_t data; 1654 1655 1656 iocp = (struct iocblk *)mp->b_rptr; 1657 if (mp->b_cont != NULL) 1658 data = (caddr_t)mp->b_cont->b_rptr; 1659 1660 switch (iocp->ioc_cmd) { 1661 1662 case HID_GET_PARSER_HANDLE: 1663 if ((data != NULL) && 1664 (iocp->ioc_count == sizeof (hidparser_handle_t)) && 1665 (MBLKL(mp->b_cont) == iocp->ioc_count)) { 1666 usbmsd->usbms_report_descr_handle = 1667 *(hidparser_handle_t *)data; 1668 } else { 1669 usbmsd->usbms_report_descr_handle = NULL; 1670 } 1671 freemsg(mp); 1672 usbmsd->usbms_flags &= ~USBMS_QWAIT; 1673 break; 1674 case HID_SET_PROTOCOL: 1675 usbmsd->usbms_flags &= ~USBMS_QWAIT; 1676 1677 /* FALLTHRU */ 1678 default: 1679 freemsg(mp); 1680 break; 1681 } 1682 } 1683 1684 1685 /* 1686 * usbms_input() : 1687 * 1688 * Mouse input routine; process a byte received from a mouse and 1689 * assemble into a mouseinfo message for the window system. 1690 * 1691 * The USB mouse send a three-byte packet organized as 1692 * button, dx, dy 1693 * where dx and dy can be any signed byte value. The mouseinfo message 1694 * is organized as 1695 * dx, dy, button, timestamp 1696 * Our strategy is to collect but, dx & dy three-byte packet, then 1697 * send the mouseinfo message up. 1698 * 1699 * Basic algorithm: throw away bytes until we get a [potential] 1700 * button byte. Collect button; Collect dx; Collect dy; Send button, 1701 * dx, dy, timestamp. 1702 * 1703 * Watch out for overflow! 1704 */ 1705 static void 1706 usbms_input(usbms_state_t *usbmsp, 1707 mblk_t *mp) 1708 { 1709 register struct usbmousebuf *b; 1710 register struct usbmouseinfo *mi; 1711 register int jitter_radius; 1712 register int32_t nbutt; 1713 ushort_t i; 1714 char c; 1715 1716 nbutt = usbmsp->usbms_num_buttons; 1717 b = usbmsp->usbms_buf; 1718 1719 USB_DPRINTF_L3(PRINT_MASK_INPUT_INCR, usbms_log_handle, 1720 "usbms_input entering"); 1721 1722 if (b == NULL) { 1723 1724 return; 1725 } 1726 1727 mi = &b->mb_info[b->mb_off]; 1728 1729 /* 1730 * Lower 3 bits are middle, right, left. 1731 */ 1732 c = mp->b_rptr[(usbmsp->usbms_idf).bpos]; 1733 mi->mi_buttons = (char)USB_NO_BUT_PRESSED; 1734 if (c & USBMS_BUT(1)) { /* left button is pressed */ 1735 mi->mi_buttons = mi->mi_buttons & USB_LEFT_BUT_PRESSED; 1736 USB_DPRINTF_L3(PRINT_MASK_INPUT_INCR, 1737 usbms_log_handle, 1738 "left button pressed"); 1739 } 1740 if (c & USBMS_BUT(2)) { /* right button is pressed */ 1741 mi->mi_buttons = mi->mi_buttons & USB_RIGHT_BUT_PRESSED; 1742 USB_DPRINTF_L3(PRINT_MASK_INPUT_INCR, 1743 usbms_log_handle, 1744 "right button pressed"); 1745 } 1746 if (c & USBMS_BUT(3)) { /* middle button is pressed */ 1747 mi->mi_buttons = mi->mi_buttons & 1748 USB_MIDDLE_BUT_PRESSED; 1749 USB_DPRINTF_L3(PRINT_MASK_INPUT_INCR, 1750 usbms_log_handle, 1751 "middle button pressed"); 1752 } 1753 1754 if (nbutt > 3) { 1755 for (i = 4; i < (nbutt + 1); i++) { 1756 if (c & USBMS_BUT(i)) { 1757 mi->mi_buttons = mi->mi_buttons & 1758 USB_BUT_PRESSED(i); 1759 USB_DPRINTF_L3(PRINT_MASK_INPUT_INCR, 1760 usbms_log_handle, 1761 "%d button pressed", i); 1762 } 1763 } 1764 } 1765 1766 /* get the delta X and Y from the sample */ 1767 mi->mi_x += usbms_get_coordinate((usbmsp->usbms_idf).xpos, 1768 (usbmsp->usbms_idf).xlen, mp); 1769 1770 USB_DPRINTF_L3(PRINT_MASK_INPUT_INCR, 1771 usbms_log_handle, "x = %d", (int)mi->mi_x); 1772 1773 uniqtime32(&mi->mi_time); /* record time when sample arrived */ 1774 1775 mi->mi_y += usbms_get_coordinate((usbmsp->usbms_idf).ypos, 1776 (usbmsp->usbms_idf).ylen, mp); 1777 1778 USB_DPRINTF_L3(PRINT_MASK_INPUT_INCR, usbms_log_handle, 1779 "y = %d", (int)mi->mi_y); 1780 1781 /* 1782 * Check the wheel data in the current event. 1783 * If it exists, the wheel data is got from the sample. 1784 */ 1785 1786 if (usbmsp->usbms_num_wheels) { 1787 mi->mi_z += usbms_get_coordinate((usbmsp->usbms_idf).zpos, 1788 (usbmsp->usbms_idf).zlen, mp); 1789 1790 USB_DPRINTF_L3(PRINT_MASK_INPUT_INCR, usbms_log_handle, 1791 "z = %d", (int)mi->mi_z); 1792 } 1793 1794 if (usbmsp->usbms_jitter) { 1795 (void) quntimeout(usbmsp->usbms_rq_ptr, 1796 (timeout_id_t)usbmsp->usbms_timeout_id); 1797 usbmsp->usbms_jitter = 0; 1798 } 1799 1800 if (!usbmsp->usbms_num_wheels) { 1801 mi->mi_z = 0; 1802 } 1803 1804 /* 1805 * If there is a wheel movement or a change in the button state, 1806 * send the data up immediately. 1807 */ 1808 if (!(mi->mi_z) && (mi->mi_buttons == usbmsp->usbms_oldbutt)) { 1809 /* 1810 * Buttons did not change; did position? 1811 */ 1812 if (mi->mi_x == 0 && mi->mi_y == 0) { 1813 /* no, position did not change */ 1814 1815 return; 1816 } 1817 1818 /* 1819 * Did the mouse move more than the jitter threshhold? 1820 */ 1821 jitter_radius = usbmsp->usbms_jitter_thresh; 1822 if (USB_ABS((int)mi->mi_x) <= jitter_radius && 1823 USB_ABS((int)mi->mi_y) <= jitter_radius) { 1824 /* 1825 * Mouse moved less than the jitter threshhold. 1826 * Don't indicate an event; keep accumulating motions. 1827 * After "jittertimeout" ticks expire, treat 1828 * the accumulated delta as the real delta. 1829 */ 1830 usbmsp->usbms_jitter = 1; 1831 usbmsp->usbms_timeout_id = 1832 qtimeout(usbmsp->usbms_rq_ptr, 1833 (void (*)())usbms_incr, 1834 (void *)usbmsp, 1835 (clock_t)usbmsp->usbms_jittertimeout); 1836 1837 return; 1838 } 1839 } 1840 usbmsp->usbms_oldbutt = mi->mi_buttons; 1841 usbms_incr(usbmsp); 1842 1843 USB_DPRINTF_L3(PRINT_MASK_INPUT_INCR, usbms_log_handle, 1844 "usbms_input exiting"); 1845 } 1846 1847 1848 /* 1849 * usbms_get_coordinate(): 1850 * get the X, Y, WHEEL coordinate values 1851 */ 1852 static int 1853 usbms_get_coordinate(uint_t pos, uint_t len, mblk_t *mp) 1854 { 1855 uint_t utmp, bitval, val; 1856 int i, xyz; 1857 1858 /* get the unsigned int value from the bit stream */ 1859 utmp = 0; 1860 for (i = (pos + len - 1); i >= (int)pos; i--) { 1861 bitval = (mp->b_rptr[i/8] & (1 << (i%8))) >> (i%8); 1862 utmp = utmp * 2 + bitval; 1863 } 1864 1865 /* convert the unsigned int value into int value */ 1866 val = 1 << (len - 1); 1867 xyz = (int)(utmp - val); 1868 if (xyz < 0) 1869 xyz += val; 1870 else if (xyz == 0) 1871 xyz = -(val - 1); 1872 else 1873 xyz -= val; 1874 1875 return (xyz); 1876 } 1877 1878 1879 /* 1880 * usbms_incr() : 1881 * Increment the mouse sample pointer. 1882 * Called either immediately after a sample or after a jitter timeout. 1883 */ 1884 static void 1885 usbms_incr(void *arg) 1886 { 1887 usbms_state_t *usbmsp = arg; 1888 register struct ms_softc *ms = &usbmsp->usbms_softc; 1889 register struct usbmousebuf *b; 1890 register struct usbmouseinfo *mi; 1891 register int xc, yc, zc; 1892 register int wake; 1893 register int speedl = usbmsp->usbms_speedlimit; 1894 register int xabs, yabs; 1895 1896 /* 1897 * No longer waiting for jitter timeout 1898 */ 1899 usbmsp->usbms_jitter = 0; 1900 1901 b = usbmsp->usbms_buf; 1902 1903 USB_DPRINTF_L3(PRINT_MASK_INPUT_INCR, usbms_log_handle, 1904 "usbms_incr entering"); 1905 1906 if (b == NULL) { 1907 1908 return; 1909 } 1910 mi = &b->mb_info[b->mb_off]; 1911 if (usbmsp->usbms_speedlaw) { 1912 xabs = USB_ABS((int)mi->mi_x); 1913 yabs = USB_ABS((int)mi->mi_y); 1914 if (xabs > speedl || yabs > speedl) { 1915 usbmsp->usbms_speed_count++; 1916 } 1917 if (xabs > speedl) { 1918 mi->mi_x = 0; 1919 } 1920 if (yabs > speedl) { 1921 mi->mi_y = 0; 1922 } 1923 } 1924 1925 1926 xc = yc = zc = 0; 1927 1928 /* See if we need to wake up anyone waiting for input */ 1929 wake = b->mb_off == ms->ms_oldoff; 1930 1931 /* Adjust circular buffer pointer */ 1932 if (++b->mb_off >= b->mb_size) { 1933 b->mb_off = 0; 1934 mi = b->mb_info; 1935 } else { 1936 mi++; 1937 } 1938 1939 /* 1940 * If over-took read index then flush buffer so that mouse state 1941 * is consistent. 1942 */ 1943 if (b->mb_off == ms->ms_oldoff) { 1944 if (overrun_msg) { 1945 USB_DPRINTF_L1(PRINT_MASK_ALL, usbms_log_handle, 1946 "Mouse buffer flushed when overrun."); 1947 } 1948 usbms_flush(usbmsp); 1949 overrun_cnt++; 1950 mi = b->mb_info; 1951 } 1952 1953 /* Remember current buttons and fractional part of x & y */ 1954 mi->mi_buttons = (char)USB_NO_BUT_PRESSED; 1955 mi->mi_x = xc; 1956 mi->mi_y = yc; 1957 mi->mi_z = zc; 1958 1959 if (wake) { 1960 USB_DPRINTF_L3(PRINT_MASK_INPUT_INCR, usbms_log_handle, 1961 "usbms_incr run service"); 1962 qenable(usbmsp->usbms_rq_ptr); /* run the service proc */ 1963 } 1964 USB_DPRINTF_L3(PRINT_MASK_INPUT_INCR, usbms_log_handle, 1965 "usbms_incr exiting"); 1966 } 1967 1968 1969 /* 1970 * usbms_check_for_wheels 1971 * return SUCCESS if wheel is found, else return FAILURE 1972 */ 1973 static int 1974 usbms_check_for_wheels(usbms_state_t *usbmsp) 1975 { 1976 int rval, report_id; 1977 1978 1979 if (usbmsp->usbms_report_descr_handle) { 1980 /* Get the report id that has mouse data */ 1981 if (hidparser_get_usage_attribute( 1982 usbmsp->usbms_report_descr_handle, 1983 0, /* Doesn't matter */ 1984 HIDPARSER_ITEM_INPUT, 1985 HID_GENERIC_DESKTOP, 1986 HID_GD_X, 1987 HIDPARSER_ITEM_REPORT_ID, 1988 &usbmsp->usbms_rptid) == HIDPARSER_NOT_FOUND) { 1989 usbmsp->usbms_rptid = HID_REPORT_ID_UNDEFINED; 1990 report_id = 0; 1991 } else { 1992 report_id = usbmsp->usbms_rptid; 1993 } 1994 1995 /* find no. of wheels in this report */ 1996 rval = hidparser_get_usage_attribute( 1997 usbmsp->usbms_report_descr_handle, 1998 report_id, 1999 HIDPARSER_ITEM_INPUT, 2000 HID_GENERIC_DESKTOP, 2001 HID_GD_WHEEL, 2002 HIDPARSER_ITEM_REPORT_COUNT, 2003 &usbmsp->usbms_num_wheels); 2004 if (rval == HIDPARSER_SUCCESS) { 2005 /* 2006 * Found wheel. By default enable the wheel. 2007 * Currently only enable only the first wheel. 2008 */ 2009 usbmsp->usbms_wheel_state_bf |= 2010 VUID_WHEEL_STATE_ENABLED; 2011 2012 return (USB_SUCCESS); 2013 } 2014 } 2015 usbmsp->usbms_num_wheels = 0; 2016 2017 return (USB_FAILURE); 2018 } 2019 2020 2021 /* 2022 * usbms_make_copyreq 2023 * helper function for usbms ioctls 2024 */ 2025 static int 2026 usbms_make_copyreq(mblk_t *mp, 2027 uint_t pvtsize, 2028 uint_t state, 2029 uint_t reqsize, 2030 uint_t contsize, 2031 uint_t copytype) 2032 { 2033 2034 struct copyreq *cq; 2035 struct copyresp *cr; 2036 mblk_t *ioctmp; 2037 mblk_t *conttmp; 2038 usbms_iocstate_t *usbmsioc; 2039 2040 if ((!pvtsize) && state) { 2041 cr = (struct copyresp *)mp->b_rptr; 2042 ioctmp = cr->cp_private; 2043 } 2044 cq = (struct copyreq *)mp->b_rptr; 2045 if (mp->b_cont == NULL) { 2046 2047 return (EINVAL); 2048 } 2049 cq->cq_addr = *((caddr_t *)mp->b_cont->b_rptr); 2050 cq->cq_size = reqsize; 2051 cq->cq_flag = 0; 2052 if (pvtsize) { 2053 ioctmp = (mblk_t *)allocb(pvtsize, BPRI_MED); 2054 if (ioctmp == NULL) { 2055 2056 return (EAGAIN); 2057 } 2058 cq->cq_private = ioctmp; 2059 ioctmp = cq->cq_private; 2060 } else { 2061 /* 2062 * Here we need to set cq_private even if there's 2063 * no private data, otherwise its value will be 2064 * TRANSPARENT (-1) on 64bit systems because it 2065 * overlaps iocp->ioc_count. If user address (cq_addr) 2066 * is invalid, it would cause panic later in 2067 * usbms_miocdata: 2068 * freemsg((mblk_t *)copyresp->cp_private); 2069 */ 2070 cq->cq_private = NULL; 2071 } 2072 if (state) { 2073 usbmsioc = (usbms_iocstate_t *)ioctmp->b_rptr; 2074 usbmsioc->ioc_state = state; 2075 if (pvtsize) { /* M_COPYIN */ 2076 usbmsioc->u_addr = cq->cq_addr; 2077 } else { 2078 cq->cq_addr = usbmsioc->u_addr; 2079 cq->cq_private = ioctmp; 2080 } 2081 ioctmp->b_wptr = ioctmp->b_rptr + sizeof (usbms_iocstate_t); 2082 } 2083 if (contsize) { 2084 conttmp = (mblk_t *)allocb(contsize, BPRI_MED); 2085 if (conttmp == NULL) { 2086 2087 return (EAGAIN); 2088 } 2089 if (mp->b_cont) { 2090 freemsg(mp->b_cont); 2091 mp->b_cont = conttmp; 2092 } 2093 } 2094 mp->b_datap->db_type = (unsigned char)copytype; 2095 mp->b_wptr = mp->b_rptr + sizeof (struct copyreq); 2096 2097 return (USB_SUCCESS); 2098 } 2099 2100 2101 static int 2102 usbms_service_wheel_info(register queue_t *q, register mblk_t *datap) 2103 { 2104 2105 wheel_info *wi; 2106 usbms_state_t *usbmsp = (usbms_state_t *)q->q_ptr; 2107 uint_t err; 2108 2109 wi = (wheel_info *)datap->b_rptr; 2110 if (wi->vers != VUID_WHEEL_INFO_VERS) { 2111 err = EINVAL; 2112 2113 return (err); 2114 } 2115 if (wi->id > (usbmsp->usbms_num_wheels - 1)) { 2116 err = EINVAL; 2117 2118 return (err); 2119 } 2120 wi->format = (usbmsp->usbms_wheel_orient_bf & (1 << wi->id)) ? 2121 VUID_WHEEL_FORMAT_HORIZONTAL : VUID_WHEEL_FORMAT_VERTICAL; 2122 2123 return (USB_SUCCESS); 2124 } 2125 2126 2127 static int 2128 usbms_service_wheel_state(register queue_t *q, 2129 register mblk_t *datap, 2130 register uint_t cmd) 2131 { 2132 2133 wheel_state *ws; 2134 uint_t err; 2135 usbms_state_t *usbmsp = (usbms_state_t *)q->q_ptr; 2136 2137 ws = (wheel_state *)datap->b_rptr; 2138 if (ws->vers != VUID_WHEEL_STATE_VERS) { 2139 err = EINVAL; 2140 2141 return (err); 2142 } 2143 if (ws->id > (usbmsp->usbms_num_wheels - 1)) { 2144 err = EINVAL; 2145 2146 return (err); 2147 } 2148 2149 switch (cmd) { 2150 case VUIDGWHEELSTATE: 2151 ws->stateflags = (usbmsp->usbms_wheel_state_bf >> ws->id) & 2152 VUID_WHEEL_STATE_ENABLED; 2153 2154 break; 2155 case VUIDSWHEELSTATE: 2156 usbmsp->usbms_wheel_state_bf = (ws->stateflags << ws->id) | 2157 (~(1 << ws->id) & usbmsp->usbms_wheel_state_bf); 2158 2159 break; 2160 default: 2161 err = EINVAL; 2162 2163 return (err); 2164 } 2165 2166 return (USB_SUCCESS); 2167 } 2168 2169 2170 /* 2171 * usbms_get_screen_parms() : 2172 * Called from MSIOSRESOLUTION ioctl to get the 2173 * current screen height/width params from X. 2174 */ 2175 static int 2176 usbms_get_screen_parms(register queue_t *q, 2177 register mblk_t *datap) 2178 { 2179 2180 usbms_state_t *usbmsp = (usbms_state_t *)q->q_ptr; 2181 Ms_screen_resolution *res = &(usbmsp->usbms_resolution); 2182 Ms_screen_resolution *data; 2183 2184 data = (Ms_screen_resolution *)datap->b_rptr; 2185 res->height = data->height; 2186 res->width = data->width; 2187 2188 return (USB_SUCCESS); 2189 } 2190 2191 2192 static void 2193 usbms_ack_ioctl(mblk_t *mp) 2194 { 2195 2196 struct iocblk *iocbp = (struct iocblk *)mp->b_rptr; 2197 2198 mp->b_datap->db_type = M_IOCACK; 2199 mp->b_wptr = mp->b_rptr + sizeof (struct iocblk); 2200 iocbp->ioc_error = 0; 2201 iocbp->ioc_count = 0; 2202 iocbp->ioc_rval = 0; 2203 if (mp->b_cont != NULL) { 2204 freemsg(mp->b_cont); 2205 mp->b_cont = NULL; 2206 } 2207 } 2208 2209 2210 /* 2211 * usbms_setup_abs_mouse_event() : 2212 * Called from MSIOSRESOLUTION ioctl to create 2213 * the absolute mouse type firm event. 2214 */ 2215 static mblk_t * 2216 usbms_setup_abs_mouse_event() 2217 { 2218 mblk_t *mb; 2219 Firm_event *fep; 2220 2221 if ((mb = allocb(sizeof (Firm_event), BPRI_HI)) != NULL) { 2222 fep = (Firm_event *)mb->b_wptr; 2223 fep->id = MOUSE_TYPE_ABSOLUTE; 2224 fep->pair_type = FE_PAIR_NONE; 2225 fep->pair = NULL; 2226 fep->value = NULL; 2227 mb->b_wptr += sizeof (Firm_event); 2228 } else { 2229 USB_DPRINTF_L3(PRINT_MASK_ALL, usbms_log_handle, 2230 "No resource to report ABS mouse event"); 2231 } 2232 2233 return (mb); 2234 } 2235 2236 2237 /* 2238 * usbms_read_input_data_format() : 2239 * Get the mouse packet length and usages' length. 2240 * Check whether X and Y are relative or absolute. 2241 * 2242 * If they are absolute, the X and Y logical max values 2243 * will be got. A firm event will be created and sent 2244 * to the upper level. 2245 */ 2246 int 2247 usbms_read_input_data_format(usbms_state_t *usbmsp) 2248 { 2249 2250 hidparser_rpt_t *ms_rpt; 2251 uint_t i, button_page; 2252 uint_t limit = 0; 2253 uint32_t rptcnt, rptsz; 2254 usbms_idf *idf = &(usbmsp->usbms_idf); 2255 Ms_screen_resolution *res = &(usbmsp->usbms_resolution); 2256 mblk_t *mb; 2257 register queue_t *q; 2258 int rval; 2259 2260 usbmsp->usbms_rpt_abs = B_FALSE; 2261 2262 /* allocate hidparser report structure */ 2263 ms_rpt = kmem_zalloc(sizeof (hidparser_rpt_t), KM_SLEEP); 2264 2265 /* 2266 * Check what is the total length of the mouse packet 2267 * and get the usages and their lengths in order 2268 */ 2269 2270 rval = hidparser_get_usage_list_in_order( 2271 usbmsp->usbms_report_descr_handle, 2272 usbmsp->usbms_rptid, 2273 HIDPARSER_ITEM_INPUT, 2274 ms_rpt); 2275 2276 if (rval != HIDPARSER_SUCCESS) { 2277 2278 kmem_free(ms_rpt, sizeof (hidparser_rpt_t)); 2279 return (USB_FAILURE); 2280 } 2281 2282 button_page = 0; 2283 for (i = 0; i < ms_rpt->no_of_usages; i++) { 2284 rptcnt = ms_rpt->usage_descr[i].rptcnt; 2285 rptsz = ms_rpt->usage_descr[i].rptsz; 2286 if ((ms_rpt->usage_descr[i].usage_page == 2287 HID_BUTTON_PAGE) && (!button_page)) { 2288 idf->bpos = limit; 2289 limit += (rptcnt * rptsz); 2290 button_page = 1; 2291 continue; 2292 } 2293 2294 switch (ms_rpt->usage_descr[i].usage_id) { 2295 2296 case HID_GD_X: 2297 idf->xpos = limit; 2298 idf->xlen = rptsz; 2299 limit += rptsz; 2300 break; 2301 case HID_GD_Y: 2302 idf->ypos = limit; 2303 idf->ylen = rptsz; 2304 limit += rptsz; 2305 break; 2306 case HID_GD_Z: 2307 /* 2308 * z-axis not yet supported, just skip it. 2309 * 2310 * It would be ideal if the HID_GD_Z data would be 2311 * reported as horizontal wheel, and HID_GD_WHEEL 2312 * as vertical wheel. 2313 * 2314 * We can not use the default case, because 2315 * that skips rptcnt*rptsz, but for an 2316 * "Apple Might Mouse" rptsz must be used. 2317 */ 2318 limit += rptsz; 2319 break; 2320 case HID_GD_WHEEL: 2321 idf->zpos = limit; 2322 idf->zlen = rptsz; 2323 limit += rptsz; 2324 break; 2325 default: 2326 limit += rptcnt * rptsz; 2327 break; 2328 } 2329 } 2330 2331 kmem_free(ms_rpt, sizeof (hidparser_rpt_t)); 2332 2333 /* get the length of sending data */ 2334 idf->tlen = limit / 8; 2335 2336 /* Check whether X and Y are relative or absolute */ 2337 rval = hidparser_get_main_item_data_descr( 2338 usbmsp->usbms_report_descr_handle, 2339 usbmsp->usbms_rptid, 2340 HIDPARSER_ITEM_INPUT, 2341 HID_GENERIC_DESKTOP, 2342 HID_GD_X, 2343 &idf->xattr); 2344 2345 if (rval != HIDPARSER_SUCCESS) { 2346 2347 return (USB_FAILURE); 2348 } 2349 2350 /* For the time being assume that Y also has the same attr */ 2351 idf->yattr = idf->xattr; 2352 2353 /* get the logical_maximum for X and Y respectively */ 2354 if (!(idf->xattr & HID_MAIN_ITEM_RELATIVE)) { 2355 2356 /* the data format can't be parsed correctly */ 2357 if (limit % 8) { 2358 USB_DPRINTF_L3(PRINT_MASK_ALL, usbms_log_handle, 2359 "Wrong data packet include %d bits", limit); 2360 2361 return (USB_FAILURE); 2362 } 2363 if (hidparser_get_usage_attribute( 2364 usbmsp->usbms_report_descr_handle, 2365 usbmsp->usbms_rptid, 2366 HIDPARSER_ITEM_INPUT, 2367 HID_GENERIC_DESKTOP, 2368 HID_GD_X, 2369 HIDPARSER_ITEM_LOGICAL_MAXIMUM, 2370 &usbmsp->usbms_logical_Xmax) != HIDPARSER_SUCCESS) { 2371 2372 USB_DPRINTF_L3(PRINT_MASK_ALL, usbms_log_handle, 2373 "fail to get X logical max."); 2374 2375 return (USB_FAILURE); 2376 } 2377 if (hidparser_get_usage_attribute( 2378 usbmsp->usbms_report_descr_handle, 2379 usbmsp->usbms_rptid, 2380 HIDPARSER_ITEM_INPUT, 2381 HID_GENERIC_DESKTOP, 2382 HID_GD_Y, 2383 HIDPARSER_ITEM_LOGICAL_MAXIMUM, 2384 &usbmsp->usbms_logical_Ymax) != HIDPARSER_SUCCESS) { 2385 2386 USB_DPRINTF_L3(PRINT_MASK_ALL, usbms_log_handle, 2387 "fail to get Y logical max."); 2388 2389 return (USB_FAILURE); 2390 } 2391 2392 if (usbmsp->usbms_logical_Xmax == 0) { 2393 USB_DPRINTF_L3(PRINT_MASK_ALL, 2394 usbms_log_handle, 2395 "X logical max value is zero"); 2396 2397 return (USB_FAILURE); 2398 } 2399 2400 if (usbmsp->usbms_logical_Ymax == 0) { 2401 USB_DPRINTF_L3(PRINT_MASK_ALL, 2402 usbms_log_handle, 2403 "Y logical max value is zero"); 2404 2405 return (USB_FAILURE); 2406 } 2407 2408 res->height = USBMS_DEFAULT_RES_HEIGHT; 2409 res->width = USBMS_DEFAULT_RES_WIDTH; 2410 2411 /* The wheel is not supported in current remote kvms. */ 2412 usbmsp->usbms_num_wheels = 0; 2413 q = usbmsp->usbms_rq_ptr; 2414 if ((mb = usbms_setup_abs_mouse_event()) != NULL) { 2415 putnext(q, mb); 2416 } else { 2417 2418 return (USB_NO_RESOURCES); 2419 } 2420 } 2421 2422 return (USB_SUCCESS); 2423 } 2424