uirda.c revision 1.27
1 /* $NetBSD: uirda.c,v 1.27 2007/12/05 17:19:55 pooka Exp $ */ 2 3 /* 4 * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Lennart Augustsson (lennart (at) augustsson.net). 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include <sys/cdefs.h> 40 __KERNEL_RCSID(0, "$NetBSD: uirda.c,v 1.27 2007/12/05 17:19:55 pooka Exp $"); 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/kernel.h> 45 #include <sys/device.h> 46 #include <sys/mutex.h> 47 #include <sys/ioctl.h> 48 #include <sys/conf.h> 49 #include <sys/file.h> 50 #include <sys/poll.h> 51 #include <sys/select.h> 52 #include <sys/proc.h> 53 54 #include <dev/usb/usb.h> 55 #include <dev/usb/usbdi.h> 56 #include <dev/usb/usbdi_util.h> 57 #include <dev/usb/usbdevs.h> 58 59 #include <dev/ir/ir.h> 60 #include <dev/ir/irdaio.h> 61 #include <dev/ir/irframevar.h> 62 63 #include <dev/usb/uirdavar.h> 64 65 #ifdef UIRDA_DEBUG 66 #define DPRINTF(x) if (uirdadebug) logprintf x 67 #define DPRINTFN(n,x) if (uirdadebug>(n)) logprintf x 68 int uirdadebug = 0; 69 #else 70 #define DPRINTF(x) 71 #define DPRINTFN(n,x) 72 #endif 73 74 75 /* Class specific requests */ 76 #define UR_IRDA_RECEIVING 0x01 /* Receive in progress? */ 77 #define UR_IRDA_CHECK_MEDIA_BUSY 0x03 78 #define UR_IRDA_SET_RATE_SNIFF 0x04 /* opt */ 79 #define UR_IRDA_SET_UNICAST_LIST 0x05 /* opt */ 80 #define UR_IRDA_GET_DESC 0x06 81 82 #define UIRDA_NEBOFS 8 83 static struct { 84 int count; 85 int mask; 86 int header; 87 } uirda_ebofs[UIRDA_NEBOFS] = { 88 { 0, UI_EB_0, UIRDA_EB_0 }, 89 { 1, UI_EB_1, UIRDA_EB_1 }, 90 { 2, UI_EB_2, UIRDA_EB_2 }, 91 { 3, UI_EB_3, UIRDA_EB_3 }, 92 { 6, UI_EB_6, UIRDA_EB_6 }, 93 { 12, UI_EB_12, UIRDA_EB_12 }, 94 { 24, UI_EB_24, UIRDA_EB_24 }, 95 { 48, UI_EB_48, UIRDA_EB_48 } 96 }; 97 98 #define UIRDA_NSPEEDS 9 99 static struct { 100 int speed; 101 int mask; 102 int header; 103 } uirda_speeds[UIRDA_NSPEEDS] = { 104 { 4000000, UI_BR_4000000, UIRDA_4000000 }, 105 { 1152000, UI_BR_1152000, UIRDA_1152000 }, 106 { 576000, UI_BR_576000, UIRDA_576000 }, 107 { 115200, UI_BR_115200, UIRDA_115200 }, 108 { 57600, UI_BR_57600, UIRDA_57600 }, 109 { 38400, UI_BR_38400, UIRDA_38400 }, 110 { 19200, UI_BR_19200, UIRDA_19200 }, 111 { 9600, UI_BR_9600, UIRDA_9600 }, 112 { 2400, UI_BR_2400, UIRDA_2400 }, 113 }; 114 115 116 117 int uirda_open(void *h, int flag, int mode, struct lwp *l); 118 int uirda_close(void *h, int flag, int mode, struct lwp *l); 119 int uirda_read(void *h, struct uio *uio, int flag); 120 int uirda_write(void *h, struct uio *uio, int flag); 121 int uirda_set_params(void *h, struct irda_params *params); 122 int uirda_get_speeds(void *h, int *speeds); 123 int uirda_get_turnarounds(void *h, int *times); 124 int uirda_poll(void *h, int events, struct lwp *l); 125 int uirda_kqfilter(void *h, struct knote *kn); 126 127 struct irframe_methods uirda_methods = { 128 uirda_open, uirda_close, uirda_read, uirda_write, uirda_poll, 129 uirda_kqfilter, uirda_set_params, uirda_get_speeds, 130 uirda_get_turnarounds 131 }; 132 133 void uirda_rd_cb(usbd_xfer_handle xfer, usbd_private_handle priv, 134 usbd_status status); 135 usbd_status uirda_start_read(struct uirda_softc *sc); 136 137 /* 138 * These devices don't quite follow the spec. Speed changing is broken 139 * and they don't handle windows. 140 * But we change speed in a safe way, and don't use windows now. 141 * Some devices also seem to have an interrupt pipe that can be ignored. 142 * 143 * Table information taken from Linux driver. 144 */ 145 Static const struct usb_devno uirda_devs[] = { 146 { USB_VENDOR_ACTISYS, USB_PRODUCT_ACTISYS_IR2000U }, 147 { USB_VENDOR_EXTENDED, USB_PRODUCT_EXTENDED_XTNDACCESS }, 148 { USB_VENDOR_KAWATSU, USB_PRODUCT_KAWATSU_KC180 }, 149 }; 150 #define uirda_lookup(v, p) (usb_lookup(uirda_devs, v, p)) 151 152 USB_DECLARE_DRIVER(uirda); 153 154 USB_MATCH(uirda) 155 { 156 USB_IFMATCH_START(uirda, uaa); 157 158 DPRINTFN(50,("uirda_match\n")); 159 160 if (uirda_lookup(uaa->vendor, uaa->product) != NULL) 161 return (UMATCH_VENDOR_PRODUCT); 162 163 if (uaa->class == UICLASS_APPL_SPEC && 164 uaa->subclass == UISUBCLASS_IRDA && 165 uaa->proto == UIPROTO_IRDA) 166 return (UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO); 167 return (UMATCH_NONE); 168 } 169 170 USB_ATTACH(uirda) 171 { 172 USB_IFATTACH_START(uirda, sc, uaa); 173 usbd_device_handle dev = uaa->device; 174 usbd_interface_handle iface = uaa->iface; 175 char *devinfop; 176 usb_endpoint_descriptor_t *ed; 177 usbd_status err; 178 u_int8_t epcount; 179 u_int specrev; 180 int i; 181 struct ir_attach_args ia; 182 183 DPRINTFN(10,("uirda_attach: sc=%p\n", sc)); 184 185 devinfop = usbd_devinfo_alloc(dev, 0); 186 USB_ATTACH_SETUP; 187 printf("%s: %s\n", USBDEVNAME(sc->sc_dev), devinfop); 188 usbd_devinfo_free(devinfop); 189 190 sc->sc_udev = dev; 191 sc->sc_iface = iface; 192 193 if (sc->sc_hdszi == 0) 194 sc->sc_hdszi = UIRDA_INPUT_HEADER_SIZE; 195 196 epcount = 0; 197 (void)usbd_endpoint_count(iface, &epcount); 198 199 sc->sc_rd_addr = -1; 200 sc->sc_wr_addr = -1; 201 for (i = 0; i < epcount; i++) { 202 ed = usbd_interface2endpoint_descriptor(iface, i); 203 if (ed == NULL) { 204 printf("%s: couldn't get ep %d\n", 205 USBDEVNAME(sc->sc_dev), i); 206 USB_ATTACH_ERROR_RETURN; 207 } 208 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 209 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 210 sc->sc_rd_addr = ed->bEndpointAddress; 211 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 212 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 213 sc->sc_wr_addr = ed->bEndpointAddress; 214 } 215 } 216 if (sc->sc_rd_addr == -1 || sc->sc_wr_addr == -1) { 217 printf("%s: missing endpoint\n", USBDEVNAME(sc->sc_dev)); 218 USB_ATTACH_ERROR_RETURN; 219 } 220 221 if (sc->sc_loadfw(sc) != 0) { 222 USB_ATTACH_ERROR_RETURN; 223 } 224 225 /* Get the IrDA descriptor */ 226 err = usbd_get_class_desc(sc->sc_udev, UDESC_IRDA, 0, 227 USB_IRDA_DESCRIPTOR_SIZE, &sc->sc_irdadesc); 228 printf("error %d reading class desc\n", err); 229 if (err) { 230 err = usbd_get_desc(sc->sc_udev, UDESC_IRDA, 0, 231 USB_IRDA_DESCRIPTOR_SIZE, &sc->sc_irdadesc); 232 } 233 printf("error %d reading desc\n", err); 234 if (err) { 235 /* maybe it's embedded in the config desc? */ 236 usbd_desc_iter_t iter; 237 const usb_descriptor_t *d; 238 usb_desc_iter_init(sc->sc_udev, &iter); 239 for (;;) { 240 d = usb_desc_iter_next(&iter); 241 if (!d || d->bDescriptorType == UDESC_IRDA) 242 break; 243 } 244 if (d == NULL) { 245 printf("%s: Cannot get IrDA descriptor\n", 246 USBDEVNAME(sc->sc_dev)); 247 USB_ATTACH_ERROR_RETURN; 248 } 249 memcpy(&sc->sc_irdadesc, d, USB_IRDA_DESCRIPTOR_SIZE); 250 } 251 DPRINTF(("uirda_attach: bDescriptorSize %d bDescriptorType 0x%x " 252 "bmDataSize=0x%02x bmWindowSize=0x%02x " 253 "bmMinTurnaroundTime=0x%02x wBaudRate=0x%04x " 254 "bmAdditionalBOFs=0x%02x bIrdaSniff=%d bMaxUnicastList=%d\n", 255 sc->sc_irdadesc.bLength, 256 sc->sc_irdadesc.bDescriptorType, 257 sc->sc_irdadesc.bmDataSize, 258 sc->sc_irdadesc.bmWindowSize, 259 sc->sc_irdadesc.bmMinTurnaroundTime, 260 UGETW(sc->sc_irdadesc.wBaudRate), 261 sc->sc_irdadesc.bmAdditionalBOFs, 262 sc->sc_irdadesc.bIrdaSniff, 263 sc->sc_irdadesc.bMaxUnicastList)); 264 265 specrev = UGETW(sc->sc_irdadesc.bcdSpecRevision); 266 printf("%s: USB-IrDA protocol version %x.%02x\n", 267 USBDEVNAME(sc->sc_dev), specrev >> 8, specrev & 0xff); 268 269 DPRINTFN(10, ("uirda_attach: %p\n", sc->sc_udev)); 270 271 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 272 USBDEV(sc->sc_dev)); 273 274 mutex_init(&sc->sc_wr_buf_lk, MUTEX_DEFAULT, IPL_NONE); 275 mutex_init(&sc->sc_rd_buf_lk, MUTEX_DEFAULT, IPL_NONE); 276 277 ia.ia_type = IR_TYPE_IRFRAME; 278 ia.ia_methods = sc->sc_irm ? sc->sc_irm : &uirda_methods; 279 ia.ia_handle = sc; 280 281 sc->sc_child = config_found(self, &ia, ir_print); 282 283 USB_ATTACH_SUCCESS_RETURN; 284 } 285 286 USB_DETACH(uirda) 287 { 288 USB_DETACH_START(uirda, sc); 289 int s; 290 int rv = 0; 291 292 DPRINTF(("uirda_detach: sc=%p flags=%d\n", sc, flags)); 293 294 sc->sc_dying = 1; 295 /* Abort all pipes. Causes processes waiting for transfer to wake. */ 296 if (sc->sc_rd_pipe != NULL) { 297 usbd_abort_pipe(sc->sc_rd_pipe); 298 usbd_close_pipe(sc->sc_rd_pipe); 299 sc->sc_rd_pipe = NULL; 300 } 301 if (sc->sc_wr_pipe != NULL) { 302 usbd_abort_pipe(sc->sc_wr_pipe); 303 usbd_close_pipe(sc->sc_wr_pipe); 304 sc->sc_wr_pipe = NULL; 305 } 306 wakeup(&sc->sc_rd_count); 307 308 s = splusb(); 309 if (--sc->sc_refcnt >= 0) { 310 /* Wait for processes to go away. */ 311 usb_detach_wait(USBDEV(sc->sc_dev)); 312 } 313 splx(s); 314 315 if (sc->sc_child != NULL) { 316 rv = config_detach(sc->sc_child, flags); 317 sc->sc_child = NULL; 318 } 319 320 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 321 USBDEV(sc->sc_dev)); 322 323 mutex_destroy(&sc->sc_wr_buf_lk); 324 mutex_destroy(&sc->sc_rd_buf_lk); 325 326 return (rv); 327 } 328 329 int 330 uirda_activate(device_ptr_t self, enum devact act) 331 { 332 struct uirda_softc *sc = (struct uirda_softc *)self; 333 int error = 0; 334 335 switch (act) { 336 case DVACT_ACTIVATE: 337 return (EOPNOTSUPP); 338 break; 339 340 case DVACT_DEACTIVATE: 341 sc->sc_dying = 1; 342 if (sc->sc_child != NULL) 343 error = config_deactivate(sc->sc_child); 344 break; 345 } 346 return (error); 347 } 348 349 int 350 uirda_open(void *h, int flag, int mode, 351 struct lwp *l) 352 { 353 struct uirda_softc *sc = h; 354 int error; 355 usbd_status err; 356 357 DPRINTF(("%s: sc=%p\n", __func__, sc)); 358 359 err = usbd_open_pipe(sc->sc_iface, sc->sc_rd_addr, 0, &sc->sc_rd_pipe); 360 if (err) { 361 error = EIO; 362 goto bad1; 363 } 364 err = usbd_open_pipe(sc->sc_iface, sc->sc_wr_addr, 0, &sc->sc_wr_pipe); 365 if (err) { 366 error = EIO; 367 goto bad2; 368 } 369 sc->sc_rd_xfer = usbd_alloc_xfer(sc->sc_udev); 370 if (sc->sc_rd_xfer == NULL) { 371 error = ENOMEM; 372 goto bad3; 373 } 374 sc->sc_wr_xfer = usbd_alloc_xfer(sc->sc_udev); 375 if (sc->sc_wr_xfer == NULL) { 376 error = ENOMEM; 377 goto bad4; 378 } 379 sc->sc_rd_buf = usbd_alloc_buffer(sc->sc_rd_xfer, 380 IRDA_MAX_FRAME_SIZE + sc->sc_hdszi); 381 if (sc->sc_rd_buf == NULL) { 382 error = ENOMEM; 383 goto bad5; 384 } 385 sc->sc_wr_buf = usbd_alloc_buffer(sc->sc_wr_xfer, 386 IRDA_MAX_FRAME_SIZE + UIRDA_OUTPUT_HEADER_SIZE + 387 2 + 1 /* worst case ST-UIRDA */); 388 if (sc->sc_wr_buf == NULL) { 389 error = ENOMEM; 390 goto bad5; 391 } 392 sc->sc_rd_count = 0; 393 sc->sc_rd_err = 0; 394 sc->sc_params.speed = 0; 395 sc->sc_params.ebofs = 0; 396 sc->sc_params.maxsize = IRDA_MAX_FRAME_SIZE; 397 sc->sc_wr_hdr = -1; 398 399 err = uirda_start_read(sc); 400 /* XXX check err */ 401 402 return (0); 403 404 bad5: 405 usbd_free_xfer(sc->sc_wr_xfer); 406 sc->sc_wr_xfer = NULL; 407 bad4: 408 usbd_free_xfer(sc->sc_rd_xfer); 409 sc->sc_rd_xfer = NULL; 410 bad3: 411 usbd_close_pipe(sc->sc_wr_pipe); 412 sc->sc_wr_pipe = NULL; 413 bad2: 414 usbd_close_pipe(sc->sc_rd_pipe); 415 sc->sc_rd_pipe = NULL; 416 bad1: 417 return (error); 418 } 419 420 int 421 uirda_close(void *h, int flag, int mode, 422 struct lwp *l) 423 { 424 struct uirda_softc *sc = h; 425 426 DPRINTF(("%s: sc=%p\n", __func__, sc)); 427 428 if (sc->sc_rd_pipe != NULL) { 429 usbd_abort_pipe(sc->sc_rd_pipe); 430 usbd_close_pipe(sc->sc_rd_pipe); 431 sc->sc_rd_pipe = NULL; 432 } 433 if (sc->sc_wr_pipe != NULL) { 434 usbd_abort_pipe(sc->sc_wr_pipe); 435 usbd_close_pipe(sc->sc_wr_pipe); 436 sc->sc_wr_pipe = NULL; 437 } 438 if (sc->sc_rd_xfer != NULL) { 439 usbd_free_xfer(sc->sc_rd_xfer); 440 sc->sc_rd_xfer = NULL; 441 sc->sc_rd_buf = NULL; 442 } 443 if (sc->sc_wr_xfer != NULL) { 444 usbd_free_xfer(sc->sc_wr_xfer); 445 sc->sc_wr_xfer = NULL; 446 sc->sc_wr_buf = NULL; 447 } 448 449 return (0); 450 } 451 452 int 453 uirda_read(void *h, struct uio *uio, int flag) 454 { 455 struct uirda_softc *sc = h; 456 usbd_status err; 457 int s; 458 int error; 459 u_int n; 460 461 DPRINTFN(1,("%s: sc=%p\n", __func__, sc)); 462 463 if (sc->sc_dying) 464 return (EIO); 465 466 #ifdef DIAGNOSTIC 467 if (sc->sc_rd_buf == NULL) 468 return (EINVAL); 469 #endif 470 471 sc->sc_refcnt++; 472 473 do { 474 s = splusb(); 475 while (sc->sc_rd_count == 0) { 476 DPRINTFN(5,("uirda_read: calling tsleep()\n")); 477 error = tsleep(&sc->sc_rd_count, PZERO | PCATCH, 478 "uirdrd", 0); 479 if (sc->sc_dying) 480 error = EIO; 481 if (error) { 482 splx(s); 483 DPRINTF(("uirda_read: tsleep() = %d\n", error)); 484 goto ret; 485 } 486 } 487 splx(s); 488 489 mutex_enter(&sc->sc_rd_buf_lk); 490 n = sc->sc_rd_count - sc->sc_hdszi; 491 DPRINTFN(1,("%s: sc=%p n=%u, hdr=0x%02x\n", __func__, 492 sc, n, sc->sc_rd_buf[0])); 493 if (n > uio->uio_resid) 494 error = EINVAL; 495 else 496 error = uiomove(sc->sc_rd_buf + sc->sc_hdszi, n, uio); 497 sc->sc_rd_count = 0; 498 mutex_exit(&sc->sc_rd_buf_lk); 499 500 err = uirda_start_read(sc); 501 /* XXX check err */ 502 503 } while (n == 0); 504 505 DPRINTFN(1,("uirda_read: return %d\n", error)); 506 507 ret: 508 if (--sc->sc_refcnt < 0) 509 usb_detach_wakeup(USBDEV(sc->sc_dev)); 510 return (error); 511 } 512 513 int 514 uirda_write(void *h, struct uio *uio, int flag) 515 { 516 struct uirda_softc *sc = h; 517 usbd_status err; 518 u_int32_t n; 519 int error = 0; 520 521 DPRINTFN(1,("%s: sc=%p\n", __func__, sc)); 522 523 if (sc->sc_dying) 524 return (EIO); 525 526 #ifdef DIAGNOSTIC 527 if (sc->sc_wr_buf == NULL) 528 return (EINVAL); 529 #endif 530 531 n = uio->uio_resid; 532 if (n > sc->sc_params.maxsize) 533 return (EINVAL); 534 535 sc->sc_refcnt++; 536 mutex_enter(&sc->sc_wr_buf_lk); 537 538 sc->sc_wr_buf[0] = UIRDA_EB_NO_CHANGE | UIRDA_NO_SPEED; 539 error = uiomove(sc->sc_wr_buf + UIRDA_OUTPUT_HEADER_SIZE, n, uio); 540 if (!error) { 541 DPRINTFN(1, ("uirdawrite: transfer %d bytes\n", n)); 542 543 n += UIRDA_OUTPUT_HEADER_SIZE; 544 err = usbd_bulk_transfer(sc->sc_wr_xfer, sc->sc_wr_pipe, 545 USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 546 UIRDA_WR_TIMEOUT, 547 sc->sc_wr_buf, &n, "uirdawr"); 548 DPRINTFN(2, ("uirdawrite: err=%d\n", err)); 549 if (err) { 550 if (err == USBD_INTERRUPTED) 551 error = EINTR; 552 else if (err == USBD_TIMEOUT) 553 error = ETIMEDOUT; 554 else 555 error = EIO; 556 } 557 } 558 559 mutex_exit(&sc->sc_wr_buf_lk); 560 if (--sc->sc_refcnt < 0) 561 usb_detach_wakeup(USBDEV(sc->sc_dev)); 562 563 DPRINTFN(1,("%s: sc=%p done\n", __func__, sc)); 564 return (error); 565 } 566 567 int 568 uirda_poll(void *h, int events, struct lwp *l) 569 { 570 struct uirda_softc *sc = h; 571 int revents = 0; 572 int s; 573 574 DPRINTFN(1,("%s: sc=%p\n", __func__, sc)); 575 576 s = splusb(); 577 if (events & (POLLOUT | POLLWRNORM)) 578 revents |= events & (POLLOUT | POLLWRNORM); 579 if (events & (POLLIN | POLLRDNORM)) { 580 if (sc->sc_rd_count != 0) { 581 DPRINTFN(2,("%s: have data\n", __func__)); 582 revents |= events & (POLLIN | POLLRDNORM); 583 } else { 584 DPRINTFN(2,("%s: recording select\n", __func__)); 585 selrecord(l, &sc->sc_rd_sel); 586 } 587 } 588 splx(s); 589 590 return (revents); 591 } 592 593 static void 594 filt_uirdardetach(struct knote *kn) 595 { 596 struct uirda_softc *sc = kn->kn_hook; 597 int s; 598 599 s = splusb(); 600 SLIST_REMOVE(&sc->sc_rd_sel.sel_klist, kn, knote, kn_selnext); 601 splx(s); 602 } 603 604 static int 605 filt_uirdaread(struct knote *kn, long hint) 606 { 607 struct uirda_softc *sc = kn->kn_hook; 608 609 kn->kn_data = sc->sc_rd_count; 610 return (kn->kn_data > 0); 611 } 612 613 static void 614 filt_uirdawdetach(struct knote *kn) 615 { 616 struct uirda_softc *sc = kn->kn_hook; 617 int s; 618 619 s = splusb(); 620 SLIST_REMOVE(&sc->sc_wr_sel.sel_klist, kn, knote, kn_selnext); 621 splx(s); 622 } 623 624 static const struct filterops uirdaread_filtops = 625 { 1, NULL, filt_uirdardetach, filt_uirdaread }; 626 static const struct filterops uirdawrite_filtops = 627 { 1, NULL, filt_uirdawdetach, filt_seltrue }; 628 629 int 630 uirda_kqfilter(void *h, struct knote *kn) 631 { 632 struct uirda_softc *sc = kn->kn_hook; 633 struct klist *klist; 634 int s; 635 636 switch (kn->kn_filter) { 637 case EVFILT_READ: 638 klist = &sc->sc_rd_sel.sel_klist; 639 kn->kn_fop = &uirdaread_filtops; 640 break; 641 case EVFILT_WRITE: 642 klist = &sc->sc_wr_sel.sel_klist; 643 kn->kn_fop = &uirdawrite_filtops; 644 break; 645 default: 646 return (EINVAL); 647 } 648 649 kn->kn_hook = sc; 650 651 s = splusb(); 652 SLIST_INSERT_HEAD(klist, kn, kn_selnext); 653 splx(s); 654 655 return (0); 656 } 657 658 int 659 uirda_set_params(void *h, struct irda_params *p) 660 { 661 struct uirda_softc *sc = h; 662 usbd_status err; 663 int i; 664 u_int8_t hdr; 665 u_int32_t n; 666 u_int mask; 667 668 DPRINTF(("%s: sc=%p, speed=%d ebofs=%d maxsize=%d\n", __func__, 669 sc, p->speed, p->ebofs, p->maxsize)); 670 671 if (sc->sc_dying) 672 return (EIO); 673 674 hdr = 0; 675 if (p->ebofs != sc->sc_params.ebofs) { 676 /* round up ebofs */ 677 mask = 1 /* sc->sc_irdadesc.bmAdditionalBOFs*/; 678 DPRINTF(("u.s.p.: mask=0x%x, sc->ebofs=%d, p->ebofs=%d\n", 679 mask, sc->sc_params.ebofs, p->ebofs)); 680 for (i = 0; i < UIRDA_NEBOFS; i++) { 681 DPRINTF(("u.s.p.: u_e[%d].mask=0x%x, count=%d\n", 682 i, uirda_ebofs[i].mask, uirda_ebofs[i].count)); 683 if ((mask & uirda_ebofs[i].mask) && 684 uirda_ebofs[i].count >= p->ebofs) { 685 hdr = uirda_ebofs[i].header; 686 goto found1; 687 } 688 } 689 for (i = 0; i < UIRDA_NEBOFS; i++) { 690 DPRINTF(("u.s.p.: u_e[%d].mask=0x%x, count=%d\n", 691 i, uirda_ebofs[i].mask, uirda_ebofs[i].count)); 692 if ((mask & uirda_ebofs[i].mask)) { 693 hdr = uirda_ebofs[i].header; 694 goto found1; 695 } 696 } 697 /* no good value found */ 698 return (EINVAL); 699 found1: 700 DPRINTF(("uirda_set_params: ebofs hdr=0x%02x\n", hdr)); 701 ; 702 703 } 704 if (hdr != 0 || p->speed != sc->sc_params.speed) { 705 /* find speed */ 706 mask = UGETW(sc->sc_irdadesc.wBaudRate); 707 for (i = 0; i < UIRDA_NSPEEDS; i++) { 708 if ((mask & uirda_speeds[i].mask) && 709 uirda_speeds[i].speed == p->speed) { 710 hdr |= uirda_speeds[i].header; 711 goto found2; 712 } 713 } 714 /* no good value found */ 715 return (EINVAL); 716 found2: 717 DPRINTF(("uirda_set_params: speed hdr=0x%02x\n", hdr)); 718 ; 719 } 720 if (p->maxsize != sc->sc_params.maxsize) { 721 if (p->maxsize > IRDA_MAX_FRAME_SIZE) 722 return (EINVAL); 723 sc->sc_params.maxsize = p->maxsize; 724 #if 0 725 DPRINTF(("%s: new buffers, old size=%d\n", __func__, 726 sc->sc_params.maxsize)); 727 if (p->maxsize > 10000 || p < 0) /* XXX */ 728 return (EINVAL); 729 730 /* Change the write buffer */ 731 mutex_enter(&sc->sc_wr_buf_lk); 732 if (sc->sc_wr_buf != NULL) 733 usbd_free_buffer(sc->sc_wr_xfer); 734 sc->sc_wr_buf = usbd_alloc_buffer(sc->sc_wr_xfer, p->maxsize+1); 735 mutex_exit(&sc->sc_wr_buf_lk); 736 if (sc->sc_wr_buf == NULL) 737 return (ENOMEM); 738 739 /* Change the read buffer */ 740 mutex_enter(&sc->sc_rd_buf_lk); 741 usbd_abort_pipe(sc->sc_rd_pipe); 742 if (sc->sc_rd_buf != NULL) 743 usbd_free_buffer(sc->sc_rd_xfer); 744 sc->sc_rd_buf = usbd_alloc_buffer(sc->sc_rd_xfer, p->maxsize+1); 745 sc->sc_rd_count = 0; 746 if (sc->sc_rd_buf == NULL) { 747 mutex_exit(&sc->sc_rd_buf_lk); 748 return (ENOMEM); 749 } 750 sc->sc_params.maxsize = p->maxsize; 751 err = uirda_start_read(sc); /* XXX check */ 752 mutex_exit(&sc->sc_rd_buf_lk); 753 #endif 754 } 755 if (hdr != 0 && hdr != sc->sc_wr_hdr) { 756 /* 757 * A change has occurred, transmit a 0 length frame with 758 * the new settings. The 0 length frame is not sent to the 759 * device. 760 */ 761 DPRINTF(("%s: sc=%p setting header 0x%02x\n", 762 __func__, sc, hdr)); 763 sc->sc_wr_hdr = hdr; 764 mutex_enter(&sc->sc_wr_buf_lk); 765 sc->sc_wr_buf[0] = hdr; 766 n = UIRDA_OUTPUT_HEADER_SIZE; 767 err = usbd_bulk_transfer(sc->sc_wr_xfer, sc->sc_wr_pipe, 768 USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 769 UIRDA_WR_TIMEOUT, sc->sc_wr_buf, &n, "uirdast"); 770 if (err) { 771 printf("%s: set failed, err=%d\n", 772 USBDEVNAME(sc->sc_dev), err); 773 usbd_clear_endpoint_stall(sc->sc_wr_pipe); 774 } 775 mutex_exit(&sc->sc_wr_buf_lk); 776 } 777 778 sc->sc_params = *p; 779 780 return (0); 781 } 782 783 int 784 uirda_get_speeds(void *h, int *speeds) 785 { 786 struct uirda_softc *sc = h; 787 u_int isp; 788 u_int usp; 789 790 DPRINTF(("%s: sc=%p\n", __func__, sc)); 791 792 if (sc->sc_dying) 793 return (EIO); 794 795 usp = UGETW(sc->sc_irdadesc.wBaudRate); 796 isp = 0; 797 if (usp & UI_BR_4000000) isp |= IRDA_SPEED_4000000; 798 if (usp & UI_BR_1152000) isp |= IRDA_SPEED_1152000; 799 if (usp & UI_BR_576000) isp |= IRDA_SPEED_576000; 800 if (usp & UI_BR_115200) isp |= IRDA_SPEED_115200; 801 if (usp & UI_BR_57600) isp |= IRDA_SPEED_57600; 802 if (usp & UI_BR_38400) isp |= IRDA_SPEED_38400; 803 if (usp & UI_BR_19200) isp |= IRDA_SPEED_19200; 804 if (usp & UI_BR_9600) isp |= IRDA_SPEED_9600; 805 if (usp & UI_BR_2400) isp |= IRDA_SPEED_2400; 806 *speeds = isp; 807 DPRINTF(("%s: speeds = 0x%x\n", __func__, isp)); 808 return (0); 809 } 810 811 int 812 uirda_get_turnarounds(void *h, int *turnarounds) 813 { 814 struct uirda_softc *sc = h; 815 u_int ita; 816 u_int uta; 817 818 DPRINTF(("%s: sc=%p\n", __func__, sc)); 819 820 if (sc->sc_dying) 821 return (EIO); 822 823 uta = sc->sc_irdadesc.bmMinTurnaroundTime; 824 ita = 0; 825 if (uta & UI_TA_0) ita |= IRDA_TURNT_0; 826 if (uta & UI_TA_10) ita |= IRDA_TURNT_10; 827 if (uta & UI_TA_50) ita |= IRDA_TURNT_50; 828 if (uta & UI_TA_100) ita |= IRDA_TURNT_100; 829 if (uta & UI_TA_500) ita |= IRDA_TURNT_500; 830 if (uta & UI_TA_1000) ita |= IRDA_TURNT_1000; 831 if (uta & UI_TA_5000) ita |= IRDA_TURNT_5000; 832 if (uta & UI_TA_10000) ita |= IRDA_TURNT_10000; 833 *turnarounds = ita; 834 return (0); 835 } 836 837 void 838 uirda_rd_cb(usbd_xfer_handle xfer, usbd_private_handle priv, 839 usbd_status status) 840 { 841 struct uirda_softc *sc = priv; 842 u_int32_t size; 843 844 DPRINTFN(1,("%s: sc=%p\n", __func__, sc)); 845 846 if (status == USBD_CANCELLED) /* this is normal */ 847 return; 848 if (status) { 849 size = sc->sc_hdszi; 850 sc->sc_rd_err = 1; 851 } else { 852 usbd_get_xfer_status(xfer, NULL, NULL, &size, NULL); 853 } 854 DPRINTFN(1,("%s: sc=%p size=%u, err=%d\n", __func__, sc, size, 855 sc->sc_rd_err)); 856 sc->sc_rd_count = size; 857 wakeup(&sc->sc_rd_count); /* XXX should use flag */ 858 selnotify(&sc->sc_rd_sel, 0); 859 } 860 861 usbd_status 862 uirda_start_read(struct uirda_softc *sc) 863 { 864 usbd_status err; 865 866 DPRINTFN(1,("%s: sc=%p, size=%d\n", __func__, sc, 867 sc->sc_params.maxsize + UIRDA_INPUT_HEADER_SIZE)); 868 869 if (sc->sc_dying) 870 return (USBD_IOERROR); 871 872 if (sc->sc_rd_err) { 873 sc->sc_rd_err = 0; 874 DPRINTF(("uirda_start_read: clear stall\n")); 875 usbd_clear_endpoint_stall(sc->sc_rd_pipe); 876 } 877 878 usbd_setup_xfer(sc->sc_rd_xfer, sc->sc_rd_pipe, sc, sc->sc_rd_buf, 879 sc->sc_params.maxsize + sc->sc_hdszi, 880 USBD_SHORT_XFER_OK | USBD_NO_COPY, 881 USBD_NO_TIMEOUT, uirda_rd_cb); 882 err = usbd_transfer(sc->sc_rd_xfer); 883 if (err != USBD_IN_PROGRESS) { 884 DPRINTF(("uirda_start_read: err=%d\n", err)); 885 return (err); 886 } 887 return (USBD_NORMAL_COMPLETION); 888 } 889 890 usbd_status 891 usbd_get_class_desc(usbd_device_handle dev, int type, int index, int len, void *desc) 892 { 893 usb_device_request_t req; 894 895 DPRINTFN(3,("usbd_get_desc: type=%d, index=%d, len=%d\n", 896 type, index, len)); 897 898 req.bmRequestType = 0xa1; /* XXX ? */ 899 req.bRequest = UR_GET_DESCRIPTOR; 900 USETW2(req.wValue, type, index); 901 USETW(req.wIndex, 0); 902 USETW(req.wLength, len); 903 return (usbd_do_request(dev, &req, desc)); 904 } 905
Indexes created Mon Sep 22 13:09:51 GMT 2025