uirda.c revision 1.32
1 /* $NetBSD: uirda.c,v 1.32 2009/09/23 19:07:19 plunky 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: uirda.c,v 1.32 2009/09/23 19:07:19 plunky Exp $"); 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/kernel.h> 38 #include <sys/device.h> 39 #include <sys/mutex.h> 40 #include <sys/ioctl.h> 41 #include <sys/conf.h> 42 #include <sys/file.h> 43 #include <sys/poll.h> 44 #include <sys/select.h> 45 #include <sys/proc.h> 46 47 #include <dev/usb/usb.h> 48 #include <dev/usb/usbdi.h> 49 #include <dev/usb/usbdi_util.h> 50 #include <dev/usb/usbdevs.h> 51 52 #include <dev/ir/ir.h> 53 #include <dev/ir/irdaio.h> 54 #include <dev/ir/irframevar.h> 55 56 #include <dev/usb/uirdavar.h> 57 58 #ifdef UIRDA_DEBUG 59 #define DPRINTF(x) if (uirdadebug) logprintf x 60 #define DPRINTFN(n,x) if (uirdadebug>(n)) logprintf x 61 int uirdadebug = 0; 62 #else 63 #define DPRINTF(x) 64 #define DPRINTFN(n,x) 65 #endif 66 67 68 /* Class specific requests */ 69 #define UR_IRDA_RECEIVING 0x01 /* Receive in progress? */ 70 #define UR_IRDA_CHECK_MEDIA_BUSY 0x03 71 #define UR_IRDA_SET_RATE_SNIFF 0x04 /* opt */ 72 #define UR_IRDA_SET_UNICAST_LIST 0x05 /* opt */ 73 #define UR_IRDA_GET_DESC 0x06 74 75 #define UIRDA_NEBOFS 8 76 static struct { 77 int count; 78 int mask; 79 int header; 80 } uirda_ebofs[UIRDA_NEBOFS] = { 81 { 0, UI_EB_0, UIRDA_EB_0 }, 82 { 1, UI_EB_1, UIRDA_EB_1 }, 83 { 2, UI_EB_2, UIRDA_EB_2 }, 84 { 3, UI_EB_3, UIRDA_EB_3 }, 85 { 6, UI_EB_6, UIRDA_EB_6 }, 86 { 12, UI_EB_12, UIRDA_EB_12 }, 87 { 24, UI_EB_24, UIRDA_EB_24 }, 88 { 48, UI_EB_48, UIRDA_EB_48 } 89 }; 90 91 #define UIRDA_NSPEEDS 9 92 static struct { 93 int speed; 94 int mask; 95 int header; 96 } uirda_speeds[UIRDA_NSPEEDS] = { 97 { 4000000, UI_BR_4000000, UIRDA_4000000 }, 98 { 1152000, UI_BR_1152000, UIRDA_1152000 }, 99 { 576000, UI_BR_576000, UIRDA_576000 }, 100 { 115200, UI_BR_115200, UIRDA_115200 }, 101 { 57600, UI_BR_57600, UIRDA_57600 }, 102 { 38400, UI_BR_38400, UIRDA_38400 }, 103 { 19200, UI_BR_19200, UIRDA_19200 }, 104 { 9600, UI_BR_9600, UIRDA_9600 }, 105 { 2400, UI_BR_2400, UIRDA_2400 }, 106 }; 107 108 109 110 int uirda_open(void *h, int flag, int mode, struct lwp *l); 111 int uirda_close(void *h, int flag, int mode, struct lwp *l); 112 int uirda_read(void *h, struct uio *uio, int flag); 113 int uirda_write(void *h, struct uio *uio, int flag); 114 int uirda_set_params(void *h, struct irda_params *params); 115 int uirda_get_speeds(void *h, int *speeds); 116 int uirda_get_turnarounds(void *h, int *times); 117 int uirda_poll(void *h, int events, struct lwp *l); 118 int uirda_kqfilter(void *h, struct knote *kn); 119 120 struct irframe_methods uirda_methods = { 121 uirda_open, uirda_close, uirda_read, uirda_write, uirda_poll, 122 uirda_kqfilter, uirda_set_params, uirda_get_speeds, 123 uirda_get_turnarounds 124 }; 125 126 void uirda_rd_cb(usbd_xfer_handle xfer, usbd_private_handle priv, 127 usbd_status status); 128 usbd_status uirda_start_read(struct uirda_softc *sc); 129 130 /* 131 * These devices don't quite follow the spec. Speed changing is broken 132 * and they don't handle windows. 133 * But we change speed in a safe way, and don't use windows now. 134 * Some devices also seem to have an interrupt pipe that can be ignored. 135 * 136 * Table information taken from Linux driver. 137 */ 138 Static const struct usb_devno uirda_devs[] = { 139 { USB_VENDOR_ACTISYS, USB_PRODUCT_ACTISYS_IR2000U }, 140 { USB_VENDOR_EXTENDED, USB_PRODUCT_EXTENDED_XTNDACCESS }, 141 { USB_VENDOR_KAWATSU, USB_PRODUCT_KAWATSU_KC180 }, 142 }; 143 #define uirda_lookup(v, p) (usb_lookup(uirda_devs, v, p)) 144 145 int uirda_match(device_t, cfdata_t, void *); 146 void uirda_attach(device_t, device_t, void *); 147 void uirda_childdet(device_t, device_t); 148 int uirda_detach(device_t, int); 149 int uirda_activate(device_t, enum devact); 150 extern struct cfdriver uirda_cd; 151 CFATTACH_DECL2_NEW(uirda, sizeof(struct uirda_softc), uirda_match, 152 uirda_attach, uirda_detach, uirda_activate, NULL, uirda_childdet); 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 sc->sc_dev = self; 186 187 aprint_naive("\n"); 188 aprint_normal("\n"); 189 190 devinfop = usbd_devinfo_alloc(dev, 0); 191 aprint_normal_dev(self, "%s\n", devinfop); 192 usbd_devinfo_free(devinfop); 193 194 sc->sc_udev = dev; 195 sc->sc_iface = iface; 196 197 if (sc->sc_hdszi == 0) 198 sc->sc_hdszi = UIRDA_INPUT_HEADER_SIZE; 199 200 epcount = 0; 201 (void)usbd_endpoint_count(iface, &epcount); 202 203 sc->sc_rd_addr = -1; 204 sc->sc_wr_addr = -1; 205 for (i = 0; i < epcount; i++) { 206 ed = usbd_interface2endpoint_descriptor(iface, i); 207 if (ed == NULL) { 208 aprint_error_dev(self, "couldn't get ep %d\n", i); 209 USB_ATTACH_ERROR_RETURN; 210 } 211 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 212 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 213 sc->sc_rd_addr = ed->bEndpointAddress; 214 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 215 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 216 sc->sc_wr_addr = ed->bEndpointAddress; 217 } 218 } 219 if (sc->sc_rd_addr == -1 || sc->sc_wr_addr == -1) { 220 aprint_error_dev(self, "missing endpoint\n"); 221 USB_ATTACH_ERROR_RETURN; 222 } 223 224 if (sc->sc_loadfw(sc) != 0) { 225 USB_ATTACH_ERROR_RETURN; 226 } 227 228 /* Get the IrDA descriptor */ 229 err = usbd_get_class_desc(sc->sc_udev, UDESC_IRDA, 0, 230 USB_IRDA_DESCRIPTOR_SIZE, &sc->sc_irdadesc); 231 aprint_error_dev(self, "error %d reading class desc\n", err); 232 if (err) { 233 err = usbd_get_desc(sc->sc_udev, UDESC_IRDA, 0, 234 USB_IRDA_DESCRIPTOR_SIZE, &sc->sc_irdadesc); 235 } 236 aprint_error_dev(self, "error %d reading desc\n", err); 237 if (err) { 238 /* maybe it's embedded in the config desc? */ 239 usbd_desc_iter_t iter; 240 const usb_descriptor_t *d; 241 usb_desc_iter_init(sc->sc_udev, &iter); 242 for (;;) { 243 d = usb_desc_iter_next(&iter); 244 if (!d || d->bDescriptorType == UDESC_IRDA) 245 break; 246 } 247 if (d == NULL) { 248 aprint_error_dev(self, 249 "Cannot get IrDA descriptor\n"); 250 USB_ATTACH_ERROR_RETURN; 251 } 252 memcpy(&sc->sc_irdadesc, d, USB_IRDA_DESCRIPTOR_SIZE); 253 } 254 DPRINTF(("uirda_attach: bDescriptorSize %d bDescriptorType 0x%x " 255 "bmDataSize=0x%02x bmWindowSize=0x%02x " 256 "bmMinTurnaroundTime=0x%02x wBaudRate=0x%04x " 257 "bmAdditionalBOFs=0x%02x bIrdaSniff=%d bMaxUnicastList=%d\n", 258 sc->sc_irdadesc.bLength, 259 sc->sc_irdadesc.bDescriptorType, 260 sc->sc_irdadesc.bmDataSize, 261 sc->sc_irdadesc.bmWindowSize, 262 sc->sc_irdadesc.bmMinTurnaroundTime, 263 UGETW(sc->sc_irdadesc.wBaudRate), 264 sc->sc_irdadesc.bmAdditionalBOFs, 265 sc->sc_irdadesc.bIrdaSniff, 266 sc->sc_irdadesc.bMaxUnicastList)); 267 268 specrev = UGETW(sc->sc_irdadesc.bcdSpecRevision); 269 aprint_normal_dev(self, "USB-IrDA protocol version %x.%02x\n", 270 specrev >> 8, specrev & 0xff); 271 272 DPRINTFN(10, ("uirda_attach: %p\n", sc->sc_udev)); 273 274 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 275 USBDEV(sc->sc_dev)); 276 277 mutex_init(&sc->sc_wr_buf_lk, MUTEX_DEFAULT, IPL_NONE); 278 mutex_init(&sc->sc_rd_buf_lk, MUTEX_DEFAULT, IPL_NONE); 279 selinit(&sc->sc_rd_sel); 280 selinit(&sc->sc_wr_sel); 281 282 ia.ia_type = IR_TYPE_IRFRAME; 283 ia.ia_methods = sc->sc_irm ? sc->sc_irm : &uirda_methods; 284 ia.ia_handle = sc; 285 286 sc->sc_child = config_found(self, &ia, ir_print); 287 288 USB_ATTACH_SUCCESS_RETURN; 289 } 290 291 USB_DETACH(uirda) 292 { 293 USB_DETACH_START(uirda, sc); 294 int s; 295 int rv = 0; 296 297 DPRINTF(("uirda_detach: sc=%p flags=%d\n", sc, flags)); 298 299 sc->sc_dying = 1; 300 /* Abort all pipes. Causes processes waiting for transfer to wake. */ 301 if (sc->sc_rd_pipe != NULL) { 302 usbd_abort_pipe(sc->sc_rd_pipe); 303 usbd_close_pipe(sc->sc_rd_pipe); 304 sc->sc_rd_pipe = NULL; 305 } 306 if (sc->sc_wr_pipe != NULL) { 307 usbd_abort_pipe(sc->sc_wr_pipe); 308 usbd_close_pipe(sc->sc_wr_pipe); 309 sc->sc_wr_pipe = NULL; 310 } 311 wakeup(&sc->sc_rd_count); 312 313 s = splusb(); 314 if (--sc->sc_refcnt >= 0) { 315 /* Wait for processes to go away. */ 316 usb_detach_wait(USBDEV(sc->sc_dev)); 317 } 318 splx(s); 319 320 if (sc->sc_child != NULL) 321 rv = config_detach(sc->sc_child, flags); 322 323 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 324 USBDEV(sc->sc_dev)); 325 326 mutex_destroy(&sc->sc_wr_buf_lk); 327 mutex_destroy(&sc->sc_rd_buf_lk); 328 seldestroy(&sc->sc_rd_sel); 329 seldestroy(&sc->sc_wr_sel); 330 331 return (rv); 332 } 333 334 void 335 uirda_childdet(device_t self, device_t child) 336 { 337 struct uirda_softc *sc = device_private(self); 338 339 KASSERT(sc->sc_child == child); 340 sc->sc_child = NULL; 341 } 342 343 int 344 uirda_activate(device_t self, enum devact act) 345 { 346 struct uirda_softc *sc = device_private(self); 347 int error = 0; 348 349 switch (act) { 350 case DVACT_ACTIVATE: 351 return (EOPNOTSUPP); 352 break; 353 354 case DVACT_DEACTIVATE: 355 sc->sc_dying = 1; 356 if (sc->sc_child != NULL) 357 error = config_deactivate(sc->sc_child); 358 break; 359 } 360 return (error); 361 } 362 363 int 364 uirda_open(void *h, int flag, int mode, 365 struct lwp *l) 366 { 367 struct uirda_softc *sc = h; 368 int error; 369 usbd_status err; 370 371 DPRINTF(("%s: sc=%p\n", __func__, sc)); 372 373 err = usbd_open_pipe(sc->sc_iface, sc->sc_rd_addr, 0, &sc->sc_rd_pipe); 374 if (err) { 375 error = EIO; 376 goto bad1; 377 } 378 err = usbd_open_pipe(sc->sc_iface, sc->sc_wr_addr, 0, &sc->sc_wr_pipe); 379 if (err) { 380 error = EIO; 381 goto bad2; 382 } 383 sc->sc_rd_xfer = usbd_alloc_xfer(sc->sc_udev); 384 if (sc->sc_rd_xfer == NULL) { 385 error = ENOMEM; 386 goto bad3; 387 } 388 sc->sc_wr_xfer = usbd_alloc_xfer(sc->sc_udev); 389 if (sc->sc_wr_xfer == NULL) { 390 error = ENOMEM; 391 goto bad4; 392 } 393 sc->sc_rd_buf = usbd_alloc_buffer(sc->sc_rd_xfer, 394 IRDA_MAX_FRAME_SIZE + sc->sc_hdszi); 395 if (sc->sc_rd_buf == NULL) { 396 error = ENOMEM; 397 goto bad5; 398 } 399 sc->sc_wr_buf = usbd_alloc_buffer(sc->sc_wr_xfer, 400 IRDA_MAX_FRAME_SIZE + UIRDA_OUTPUT_HEADER_SIZE + 401 2 + 1 /* worst case ST-UIRDA */); 402 if (sc->sc_wr_buf == NULL) { 403 error = ENOMEM; 404 goto bad5; 405 } 406 sc->sc_rd_count = 0; 407 sc->sc_rd_err = 0; 408 sc->sc_params.speed = 0; 409 sc->sc_params.ebofs = 0; 410 sc->sc_params.maxsize = IRDA_MAX_FRAME_SIZE; 411 sc->sc_wr_hdr = -1; 412 413 err = uirda_start_read(sc); 414 /* XXX check err */ 415 416 return (0); 417 418 bad5: 419 usbd_free_xfer(sc->sc_wr_xfer); 420 sc->sc_wr_xfer = NULL; 421 bad4: 422 usbd_free_xfer(sc->sc_rd_xfer); 423 sc->sc_rd_xfer = NULL; 424 bad3: 425 usbd_close_pipe(sc->sc_wr_pipe); 426 sc->sc_wr_pipe = NULL; 427 bad2: 428 usbd_close_pipe(sc->sc_rd_pipe); 429 sc->sc_rd_pipe = NULL; 430 bad1: 431 return (error); 432 } 433 434 int 435 uirda_close(void *h, int flag, int mode, 436 struct lwp *l) 437 { 438 struct uirda_softc *sc = h; 439 440 DPRINTF(("%s: sc=%p\n", __func__, sc)); 441 442 if (sc->sc_rd_pipe != NULL) { 443 usbd_abort_pipe(sc->sc_rd_pipe); 444 usbd_close_pipe(sc->sc_rd_pipe); 445 sc->sc_rd_pipe = NULL; 446 } 447 if (sc->sc_wr_pipe != NULL) { 448 usbd_abort_pipe(sc->sc_wr_pipe); 449 usbd_close_pipe(sc->sc_wr_pipe); 450 sc->sc_wr_pipe = NULL; 451 } 452 if (sc->sc_rd_xfer != NULL) { 453 usbd_free_xfer(sc->sc_rd_xfer); 454 sc->sc_rd_xfer = NULL; 455 sc->sc_rd_buf = NULL; 456 } 457 if (sc->sc_wr_xfer != NULL) { 458 usbd_free_xfer(sc->sc_wr_xfer); 459 sc->sc_wr_xfer = NULL; 460 sc->sc_wr_buf = NULL; 461 } 462 463 return (0); 464 } 465 466 int 467 uirda_read(void *h, struct uio *uio, int flag) 468 { 469 struct uirda_softc *sc = h; 470 usbd_status err; 471 int s; 472 int error; 473 u_int n; 474 475 DPRINTFN(1,("%s: sc=%p\n", __func__, sc)); 476 477 if (sc->sc_dying) 478 return (EIO); 479 480 #ifdef DIAGNOSTIC 481 if (sc->sc_rd_buf == NULL) 482 return (EINVAL); 483 #endif 484 485 sc->sc_refcnt++; 486 487 do { 488 s = splusb(); 489 while (sc->sc_rd_count == 0) { 490 DPRINTFN(5,("uirda_read: calling tsleep()\n")); 491 error = tsleep(&sc->sc_rd_count, PZERO | PCATCH, 492 "uirdrd", 0); 493 if (sc->sc_dying) 494 error = EIO; 495 if (error) { 496 splx(s); 497 DPRINTF(("uirda_read: tsleep() = %d\n", error)); 498 goto ret; 499 } 500 } 501 splx(s); 502 503 mutex_enter(&sc->sc_rd_buf_lk); 504 n = sc->sc_rd_count - sc->sc_hdszi; 505 DPRINTFN(1,("%s: sc=%p n=%u, hdr=0x%02x\n", __func__, 506 sc, n, sc->sc_rd_buf[0])); 507 if (n > uio->uio_resid) 508 error = EINVAL; 509 else 510 error = uiomove(sc->sc_rd_buf + sc->sc_hdszi, n, uio); 511 sc->sc_rd_count = 0; 512 mutex_exit(&sc->sc_rd_buf_lk); 513 514 err = uirda_start_read(sc); 515 /* XXX check err */ 516 517 } while (n == 0); 518 519 DPRINTFN(1,("uirda_read: return %d\n", error)); 520 521 ret: 522 if (--sc->sc_refcnt < 0) 523 usb_detach_wakeup(USBDEV(sc->sc_dev)); 524 return (error); 525 } 526 527 int 528 uirda_write(void *h, struct uio *uio, int flag) 529 { 530 struct uirda_softc *sc = h; 531 usbd_status err; 532 u_int32_t n; 533 int error = 0; 534 535 DPRINTFN(1,("%s: sc=%p\n", __func__, sc)); 536 537 if (sc->sc_dying) 538 return (EIO); 539 540 #ifdef DIAGNOSTIC 541 if (sc->sc_wr_buf == NULL) 542 return (EINVAL); 543 #endif 544 545 n = uio->uio_resid; 546 if (n > sc->sc_params.maxsize) 547 return (EINVAL); 548 549 sc->sc_refcnt++; 550 mutex_enter(&sc->sc_wr_buf_lk); 551 552 sc->sc_wr_buf[0] = UIRDA_EB_NO_CHANGE | UIRDA_NO_SPEED; 553 error = uiomove(sc->sc_wr_buf + UIRDA_OUTPUT_HEADER_SIZE, n, uio); 554 if (!error) { 555 DPRINTFN(1, ("uirdawrite: transfer %d bytes\n", n)); 556 557 n += UIRDA_OUTPUT_HEADER_SIZE; 558 err = usbd_bulk_transfer(sc->sc_wr_xfer, sc->sc_wr_pipe, 559 USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 560 UIRDA_WR_TIMEOUT, 561 sc->sc_wr_buf, &n, "uirdawr"); 562 DPRINTFN(2, ("uirdawrite: err=%d\n", err)); 563 if (err) { 564 if (err == USBD_INTERRUPTED) 565 error = EINTR; 566 else if (err == USBD_TIMEOUT) 567 error = ETIMEDOUT; 568 else 569 error = EIO; 570 } 571 } 572 573 mutex_exit(&sc->sc_wr_buf_lk); 574 if (--sc->sc_refcnt < 0) 575 usb_detach_wakeup(USBDEV(sc->sc_dev)); 576 577 DPRINTFN(1,("%s: sc=%p done\n", __func__, sc)); 578 return (error); 579 } 580 581 int 582 uirda_poll(void *h, int events, struct lwp *l) 583 { 584 struct uirda_softc *sc = h; 585 int revents = 0; 586 int s; 587 588 DPRINTFN(1,("%s: sc=%p\n", __func__, sc)); 589 590 s = splusb(); 591 if (events & (POLLOUT | POLLWRNORM)) 592 revents |= events & (POLLOUT | POLLWRNORM); 593 if (events & (POLLIN | POLLRDNORM)) { 594 if (sc->sc_rd_count != 0) { 595 DPRINTFN(2,("%s: have data\n", __func__)); 596 revents |= events & (POLLIN | POLLRDNORM); 597 } else { 598 DPRINTFN(2,("%s: recording select\n", __func__)); 599 selrecord(l, &sc->sc_rd_sel); 600 } 601 } 602 splx(s); 603 604 return (revents); 605 } 606 607 static void 608 filt_uirdardetach(struct knote *kn) 609 { 610 struct uirda_softc *sc = kn->kn_hook; 611 int s; 612 613 s = splusb(); 614 SLIST_REMOVE(&sc->sc_rd_sel.sel_klist, kn, knote, kn_selnext); 615 splx(s); 616 } 617 618 static int 619 filt_uirdaread(struct knote *kn, long hint) 620 { 621 struct uirda_softc *sc = kn->kn_hook; 622 623 kn->kn_data = sc->sc_rd_count; 624 return (kn->kn_data > 0); 625 } 626 627 static void 628 filt_uirdawdetach(struct knote *kn) 629 { 630 struct uirda_softc *sc = kn->kn_hook; 631 int s; 632 633 s = splusb(); 634 SLIST_REMOVE(&sc->sc_wr_sel.sel_klist, kn, knote, kn_selnext); 635 splx(s); 636 } 637 638 static const struct filterops uirdaread_filtops = 639 { 1, NULL, filt_uirdardetach, filt_uirdaread }; 640 static const struct filterops uirdawrite_filtops = 641 { 1, NULL, filt_uirdawdetach, filt_seltrue }; 642 643 int 644 uirda_kqfilter(void *h, struct knote *kn) 645 { 646 struct uirda_softc *sc = kn->kn_hook; 647 struct klist *klist; 648 int s; 649 650 switch (kn->kn_filter) { 651 case EVFILT_READ: 652 klist = &sc->sc_rd_sel.sel_klist; 653 kn->kn_fop = &uirdaread_filtops; 654 break; 655 case EVFILT_WRITE: 656 klist = &sc->sc_wr_sel.sel_klist; 657 kn->kn_fop = &uirdawrite_filtops; 658 break; 659 default: 660 return (EINVAL); 661 } 662 663 kn->kn_hook = sc; 664 665 s = splusb(); 666 SLIST_INSERT_HEAD(klist, kn, kn_selnext); 667 splx(s); 668 669 return (0); 670 } 671 672 int 673 uirda_set_params(void *h, struct irda_params *p) 674 { 675 struct uirda_softc *sc = h; 676 usbd_status err; 677 int i; 678 u_int8_t hdr; 679 u_int32_t n; 680 u_int mask; 681 682 DPRINTF(("%s: sc=%p, speed=%d ebofs=%d maxsize=%d\n", __func__, 683 sc, p->speed, p->ebofs, p->maxsize)); 684 685 if (sc->sc_dying) 686 return (EIO); 687 688 hdr = 0; 689 if (p->ebofs != sc->sc_params.ebofs) { 690 /* round up ebofs */ 691 mask = 1 /* sc->sc_irdadesc.bmAdditionalBOFs*/; 692 DPRINTF(("u.s.p.: mask=0x%x, sc->ebofs=%d, p->ebofs=%d\n", 693 mask, sc->sc_params.ebofs, p->ebofs)); 694 for (i = 0; i < UIRDA_NEBOFS; i++) { 695 DPRINTF(("u.s.p.: u_e[%d].mask=0x%x, count=%d\n", 696 i, uirda_ebofs[i].mask, uirda_ebofs[i].count)); 697 if ((mask & uirda_ebofs[i].mask) && 698 uirda_ebofs[i].count >= p->ebofs) { 699 hdr = uirda_ebofs[i].header; 700 goto found1; 701 } 702 } 703 for (i = 0; i < UIRDA_NEBOFS; i++) { 704 DPRINTF(("u.s.p.: u_e[%d].mask=0x%x, count=%d\n", 705 i, uirda_ebofs[i].mask, uirda_ebofs[i].count)); 706 if ((mask & uirda_ebofs[i].mask)) { 707 hdr = uirda_ebofs[i].header; 708 goto found1; 709 } 710 } 711 /* no good value found */ 712 return (EINVAL); 713 found1: 714 DPRINTF(("uirda_set_params: ebofs hdr=0x%02x\n", hdr)); 715 ; 716 717 } 718 if (hdr != 0 || p->speed != sc->sc_params.speed) { 719 /* find speed */ 720 mask = UGETW(sc->sc_irdadesc.wBaudRate); 721 for (i = 0; i < UIRDA_NSPEEDS; i++) { 722 if ((mask & uirda_speeds[i].mask) && 723 uirda_speeds[i].speed == p->speed) { 724 hdr |= uirda_speeds[i].header; 725 goto found2; 726 } 727 } 728 /* no good value found */ 729 return (EINVAL); 730 found2: 731 DPRINTF(("uirda_set_params: speed hdr=0x%02x\n", hdr)); 732 ; 733 } 734 if (p->maxsize != sc->sc_params.maxsize) { 735 if (p->maxsize > IRDA_MAX_FRAME_SIZE) 736 return (EINVAL); 737 sc->sc_params.maxsize = p->maxsize; 738 #if 0 739 DPRINTF(("%s: new buffers, old size=%d\n", __func__, 740 sc->sc_params.maxsize)); 741 if (p->maxsize > 10000 || p < 0) /* XXX */ 742 return (EINVAL); 743 744 /* Change the write buffer */ 745 mutex_enter(&sc->sc_wr_buf_lk); 746 if (sc->sc_wr_buf != NULL) 747 usbd_free_buffer(sc->sc_wr_xfer); 748 sc->sc_wr_buf = usbd_alloc_buffer(sc->sc_wr_xfer, p->maxsize+1); 749 mutex_exit(&sc->sc_wr_buf_lk); 750 if (sc->sc_wr_buf == NULL) 751 return (ENOMEM); 752 753 /* Change the read buffer */ 754 mutex_enter(&sc->sc_rd_buf_lk); 755 usbd_abort_pipe(sc->sc_rd_pipe); 756 if (sc->sc_rd_buf != NULL) 757 usbd_free_buffer(sc->sc_rd_xfer); 758 sc->sc_rd_buf = usbd_alloc_buffer(sc->sc_rd_xfer, p->maxsize+1); 759 sc->sc_rd_count = 0; 760 if (sc->sc_rd_buf == NULL) { 761 mutex_exit(&sc->sc_rd_buf_lk); 762 return (ENOMEM); 763 } 764 sc->sc_params.maxsize = p->maxsize; 765 err = uirda_start_read(sc); /* XXX check */ 766 mutex_exit(&sc->sc_rd_buf_lk); 767 #endif 768 } 769 if (hdr != 0 && hdr != sc->sc_wr_hdr) { 770 /* 771 * A change has occurred, transmit a 0 length frame with 772 * the new settings. The 0 length frame is not sent to the 773 * device. 774 */ 775 DPRINTF(("%s: sc=%p setting header 0x%02x\n", 776 __func__, sc, hdr)); 777 sc->sc_wr_hdr = hdr; 778 mutex_enter(&sc->sc_wr_buf_lk); 779 sc->sc_wr_buf[0] = hdr; 780 n = UIRDA_OUTPUT_HEADER_SIZE; 781 err = usbd_bulk_transfer(sc->sc_wr_xfer, sc->sc_wr_pipe, 782 USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 783 UIRDA_WR_TIMEOUT, sc->sc_wr_buf, &n, "uirdast"); 784 if (err) { 785 aprint_error_dev(sc->sc_dev, "set failed, err=%d\n", 786 err); 787 usbd_clear_endpoint_stall(sc->sc_wr_pipe); 788 } 789 mutex_exit(&sc->sc_wr_buf_lk); 790 } 791 792 sc->sc_params = *p; 793 794 return (0); 795 } 796 797 int 798 uirda_get_speeds(void *h, int *speeds) 799 { 800 struct uirda_softc *sc = h; 801 u_int isp; 802 u_int usp; 803 804 DPRINTF(("%s: sc=%p\n", __func__, sc)); 805 806 if (sc->sc_dying) 807 return (EIO); 808 809 usp = UGETW(sc->sc_irdadesc.wBaudRate); 810 isp = 0; 811 if (usp & UI_BR_4000000) isp |= IRDA_SPEED_4000000; 812 if (usp & UI_BR_1152000) isp |= IRDA_SPEED_1152000; 813 if (usp & UI_BR_576000) isp |= IRDA_SPEED_576000; 814 if (usp & UI_BR_115200) isp |= IRDA_SPEED_115200; 815 if (usp & UI_BR_57600) isp |= IRDA_SPEED_57600; 816 if (usp & UI_BR_38400) isp |= IRDA_SPEED_38400; 817 if (usp & UI_BR_19200) isp |= IRDA_SPEED_19200; 818 if (usp & UI_BR_9600) isp |= IRDA_SPEED_9600; 819 if (usp & UI_BR_2400) isp |= IRDA_SPEED_2400; 820 *speeds = isp; 821 DPRINTF(("%s: speeds = 0x%x\n", __func__, isp)); 822 return (0); 823 } 824 825 int 826 uirda_get_turnarounds(void *h, int *turnarounds) 827 { 828 struct uirda_softc *sc = h; 829 u_int ita; 830 u_int uta; 831 832 DPRINTF(("%s: sc=%p\n", __func__, sc)); 833 834 if (sc->sc_dying) 835 return (EIO); 836 837 uta = sc->sc_irdadesc.bmMinTurnaroundTime; 838 ita = 0; 839 if (uta & UI_TA_0) ita |= IRDA_TURNT_0; 840 if (uta & UI_TA_10) ita |= IRDA_TURNT_10; 841 if (uta & UI_TA_50) ita |= IRDA_TURNT_50; 842 if (uta & UI_TA_100) ita |= IRDA_TURNT_100; 843 if (uta & UI_TA_500) ita |= IRDA_TURNT_500; 844 if (uta & UI_TA_1000) ita |= IRDA_TURNT_1000; 845 if (uta & UI_TA_5000) ita |= IRDA_TURNT_5000; 846 if (uta & UI_TA_10000) ita |= IRDA_TURNT_10000; 847 *turnarounds = ita; 848 return (0); 849 } 850 851 void 852 uirda_rd_cb(usbd_xfer_handle xfer, usbd_private_handle priv, 853 usbd_status status) 854 { 855 struct uirda_softc *sc = priv; 856 u_int32_t size; 857 858 DPRINTFN(1,("%s: sc=%p\n", __func__, sc)); 859 860 if (status == USBD_CANCELLED) /* this is normal */ 861 return; 862 if (status) { 863 size = sc->sc_hdszi; 864 sc->sc_rd_err = 1; 865 } else { 866 usbd_get_xfer_status(xfer, NULL, NULL, &size, NULL); 867 } 868 DPRINTFN(1,("%s: sc=%p size=%u, err=%d\n", __func__, sc, size, 869 sc->sc_rd_err)); 870 sc->sc_rd_count = size; 871 wakeup(&sc->sc_rd_count); /* XXX should use flag */ 872 selnotify(&sc->sc_rd_sel, 0, 0); 873 } 874 875 usbd_status 876 uirda_start_read(struct uirda_softc *sc) 877 { 878 usbd_status err; 879 880 DPRINTFN(1,("%s: sc=%p, size=%d\n", __func__, sc, 881 sc->sc_params.maxsize + UIRDA_INPUT_HEADER_SIZE)); 882 883 if (sc->sc_dying) 884 return (USBD_IOERROR); 885 886 if (sc->sc_rd_err) { 887 sc->sc_rd_err = 0; 888 DPRINTF(("uirda_start_read: clear stall\n")); 889 usbd_clear_endpoint_stall(sc->sc_rd_pipe); 890 } 891 892 usbd_setup_xfer(sc->sc_rd_xfer, sc->sc_rd_pipe, sc, sc->sc_rd_buf, 893 sc->sc_params.maxsize + sc->sc_hdszi, 894 USBD_SHORT_XFER_OK | USBD_NO_COPY, 895 USBD_NO_TIMEOUT, uirda_rd_cb); 896 err = usbd_transfer(sc->sc_rd_xfer); 897 if (err != USBD_IN_PROGRESS) { 898 DPRINTF(("uirda_start_read: err=%d\n", err)); 899 return (err); 900 } 901 return (USBD_NORMAL_COMPLETION); 902 } 903 904 usbd_status 905 usbd_get_class_desc(usbd_device_handle dev, int type, int index, int len, void *desc) 906 { 907 usb_device_request_t req; 908 909 DPRINTFN(3,("usbd_get_desc: type=%d, index=%d, len=%d\n", 910 type, index, len)); 911 912 req.bmRequestType = 0xa1; /* XXX ? */ 913 req.bRequest = UR_GET_DESCRIPTOR; 914 USETW2(req.wValue, type, index); 915 USETW(req.wIndex, 0); 916 USETW(req.wLength, len); 917 return (usbd_do_request(dev, &req, desc)); 918 } 919
Indexes created Mon Sep 22 10:09:38 GMT 2025