uplcom.c revision 1.17
1 /* $NetBSD: uplcom.c,v 1.17 2001/05/22 00:18:03 jhawk Exp $ */ 2 /* 3 * Copyright (c) 2001 The NetBSD Foundation, Inc. 4 * All rights reserved. 5 * 6 * This code is derived from software contributed to The NetBSD Foundation 7 * by Ichiro FUKUHARA (ichiro (at) ichiro.org). 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by the NetBSD 20 * Foundation, Inc. and its contributors. 21 * 4. Neither the name of The NetBSD Foundation nor the names of its 22 * contributors may be used to endorse or promote products derived 23 * from this software without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 26 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 * POSSIBILITY OF SUCH DAMAGE. 36 */ 37 38 /* 39 * Simple datasheet 40 * http://www.prolific.com.tw/download/DataSheet/pl2303_ds11.PDF 41 * http://www.nisseisg.co.jp/jyouhou/_cp/@gif/2303.pdf 42 * (english) 43 * 44 */ 45 46 #include <sys/param.h> 47 #include <sys/systm.h> 48 #include <sys/kernel.h> 49 #include <sys/malloc.h> 50 #include <sys/ioctl.h> 51 #include <sys/conf.h> 52 #include <sys/tty.h> 53 #include <sys/file.h> 54 #include <sys/select.h> 55 #include <sys/proc.h> 56 #include <sys/vnode.h> 57 #include <sys/device.h> 58 #include <sys/poll.h> 59 60 #include <dev/usb/usb.h> 61 #include <dev/usb/usbcdc.h> 62 63 #include <dev/usb/usbdi.h> 64 #include <dev/usb/usbdi_util.h> 65 #include <dev/usb/usbdevs.h> 66 #include <dev/usb/usb_quirks.h> 67 68 #include <dev/usb/usbdevs.h> 69 #include <dev/usb/ucomvar.h> 70 71 #ifdef UPLCOM_DEBUG 72 #define DPRINTFN(n, x) if (uplcomdebug > (n)) logprintf x 73 int uplcomdebug = 0; 74 #else 75 #define DPRINTFN(n, x) 76 #endif 77 #define DPRINTF(x) DPRINTFN(0, x) 78 79 #define UPLCOM_CONFIG_INDEX 0 80 #define UPLCOM_IFACE_INDEX 0 81 #define UPLCOM_SECOND_IFACE_INDEX 1 82 #define UPLCOM_RESET 0 83 84 #define RSAQ_STATUS_DSR 0x02 85 #define RSAQ_STATUS_DCD 0x01 86 87 struct uplcom_softc { 88 USBBASEDEVICE sc_dev; /* base device */ 89 usbd_device_handle sc_udev; /* USB device */ 90 usbd_interface_handle sc_iface; /* interface */ 91 int sc_iface_number; /* interface number */ 92 93 int sc_intr_number; /* interrupt number */ 94 usbd_pipe_handle sc_intr_pipe; /* interrupt pipe */ 95 u_char *sc_intr_buf; /* interrupt buffer */ 96 int sc_isize; 97 98 usb_cdc_line_state_t sc_line_state; /* current line state */ 99 u_char sc_dtr; /* current DTR state */ 100 u_char sc_rts; /* current RTS state */ 101 u_char sc_status; 102 103 device_ptr_t sc_subdev; /* ucom device */ 104 105 u_char sc_dying; /* disconnecting */ 106 107 u_char sc_lsr; /* Local status register */ 108 u_char sc_msr; /* uplcom status register */ 109 }; 110 111 /* 112 * These are the maximum number of bytes transferred per frame. 113 * The output buffer size cannot be increased due to the size encoding. 114 */ 115 #define UPLCOMIBUFSIZE 256 116 #define UPLCOMOBUFSIZE 256 117 118 Static usbd_status uplcom_reset(struct uplcom_softc *); 119 Static usbd_status uplcom_set_line_coding(struct uplcom_softc *sc, 120 usb_cdc_line_state_t *state); 121 Static void uplcom_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 122 123 Static void uplcom_set(void *, int, int, int); 124 Static void uplcom_dtr(struct uplcom_softc *, int); 125 Static void uplcom_rts(struct uplcom_softc *, int); 126 Static void uplcom_break(struct uplcom_softc *, int); 127 Static void uplcom_set_line_state(struct uplcom_softc *); 128 Static void uplcom_get_status(void *, int portno, u_char *lsr, u_char *msr); 129 #if TODO 130 Static int uplcom_ioctl(void *, int, u_long, caddr_t, int, struct proc *); 131 #endif 132 Static int uplcom_param(void *, int, struct termios *); 133 Static int uplcom_open(void *, int); 134 Static void uplcom_close(void *, int); 135 136 struct ucom_methods uplcom_methods = { 137 uplcom_get_status, 138 uplcom_set, 139 uplcom_param, 140 NULL, /* uplcom_ioctl, TODO */ 141 uplcom_open, 142 uplcom_close, 143 NULL, 144 NULL, 145 }; 146 147 static const struct uplcom_product { 148 uint16_t vendor; 149 uint16_t product; 150 } uplcom_products [] = { 151 /* I/O DATA USB-RSAQ2 */ 152 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ2 }, 153 /* I/O DATA USB-RSAQ */ 154 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ }, 155 /* PLANEX USB-RS232 URS-03 */ 156 { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC232A }, 157 /* IOGEAR/ATEN UC-232A */ 158 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_2303 }, 159 { 0, 0 } 160 }; 161 162 USB_DECLARE_DRIVER(uplcom); 163 164 USB_MATCH(uplcom) 165 { 166 USB_MATCH_START(uplcom, uaa); 167 int i; 168 169 if (uaa->iface != NULL) 170 return (UMATCH_NONE); 171 172 for (i = 0; uplcom_products[i].vendor != 0; i++) { 173 if (uplcom_products[i].vendor == uaa->vendor && 174 uplcom_products[i].product == uaa->product) { 175 return (UMATCH_VENDOR_PRODUCT); 176 } 177 } 178 return (UMATCH_NONE); 179 } 180 181 USB_ATTACH(uplcom) 182 { 183 USB_ATTACH_START(uplcom, sc, uaa); 184 usbd_device_handle dev = uaa->device; 185 usb_config_descriptor_t *cdesc; 186 usb_interface_descriptor_t *id; 187 usb_endpoint_descriptor_t *ed; 188 189 char devinfo[1024]; 190 char *devname = USBDEVNAME(sc->sc_dev); 191 usbd_status err; 192 int i; 193 struct ucom_attach_args uca; 194 195 usbd_devinfo(dev, 0, devinfo); 196 USB_ATTACH_SETUP; 197 printf("%s: %s\n", devname, devinfo); 198 199 sc->sc_udev = dev; 200 201 DPRINTF(("\n\nuplcom attach: sc=%p\n", sc)); 202 203 /* initialize endpoints */ 204 uca.bulkin = uca.bulkout = -1; 205 sc->sc_intr_number = -1; 206 sc->sc_intr_pipe = NULL; 207 208 /* Move the device into the configured state. */ 209 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); 210 if (err) { 211 printf("\n%s: failed to set configuration, err=%s\n", 212 devname, usbd_errstr(err)); 213 sc->sc_dying = 1; 214 USB_ATTACH_ERROR_RETURN; 215 } 216 217 /* get the config descriptor */ 218 cdesc = usbd_get_config_descriptor(sc->sc_udev); 219 220 if (cdesc == NULL) { 221 printf("%s: failed to get configuration descriptor\n", 222 USBDEVNAME(sc->sc_dev)); 223 sc->sc_dying = 1; 224 USB_ATTACH_ERROR_RETURN; 225 } 226 227 /* get the (first/common) interface */ 228 err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX, 229 &sc->sc_iface); 230 if (err) { 231 printf("\n%s: failed to get interface, err=%s\n", 232 devname, usbd_errstr(err)); 233 sc->sc_dying = 1; 234 USB_ATTACH_ERROR_RETURN; 235 } 236 237 /* Find the interrupt endpoints */ 238 239 id = usbd_get_interface_descriptor(sc->sc_iface); 240 sc->sc_iface_number = id->bInterfaceNumber; 241 242 for (i = 0; i < id->bNumEndpoints; i++) { 243 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 244 if (ed == NULL) { 245 printf("%s: no endpoint descriptor for %d\n", 246 USBDEVNAME(sc->sc_dev), i); 247 sc->sc_dying = 1; 248 USB_ATTACH_ERROR_RETURN; 249 } 250 251 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 252 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 253 sc->sc_intr_number = ed->bEndpointAddress; 254 sc->sc_isize = UGETW(ed->wMaxPacketSize); 255 } 256 } 257 258 if (sc->sc_intr_number== -1) { 259 printf("%s: Could not find interrupt in\n", 260 USBDEVNAME(sc->sc_dev)); 261 sc->sc_dying = 1; 262 USB_ATTACH_ERROR_RETURN; 263 } 264 265 /* 266 * USB-RSAQ1 has two interface 267 * 268 * USB-RSAQ1 | USB-RSAQ2 269 * -----------------+----------------- 270 * Interface 0 |Interface 0 271 * Interrupt(0x81) | Interrupt(0x81) 272 * -----------------+ BulkIN(0x02) 273 * Interface 1 | BulkOUT(0x83) 274 * BulkIN(0x02) | 275 * BulkOUT(0x83) | 276 */ 277 if (cdesc->bNumInterface == 2) { 278 err = usbd_device2interface_handle(dev, 279 UPLCOM_SECOND_IFACE_INDEX, &sc->sc_iface); 280 if (err) { 281 printf("\n%s: failed to get second interface, err=%s\n", 282 devname, usbd_errstr(err)); 283 sc->sc_dying = 1; 284 USB_ATTACH_ERROR_RETURN; 285 } 286 } 287 288 /* Find the bulk{in,out} endpoints */ 289 290 id = usbd_get_interface_descriptor(sc->sc_iface); 291 sc->sc_iface_number = id->bInterfaceNumber; 292 293 for (i = 0; i < id->bNumEndpoints; i++) { 294 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 295 if (ed == NULL) { 296 printf("%s: no endpoint descriptor for %d\n", 297 USBDEVNAME(sc->sc_dev), i); 298 sc->sc_dying = 1; 299 USB_ATTACH_ERROR_RETURN; 300 } 301 302 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 303 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 304 uca.bulkin = ed->bEndpointAddress; 305 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 306 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 307 uca.bulkout = ed->bEndpointAddress; 308 } 309 } 310 311 if (uca.bulkin == -1) { 312 printf("%s: Could not find data bulk in\n", 313 USBDEVNAME(sc->sc_dev)); 314 sc->sc_dying = 1; 315 USB_ATTACH_ERROR_RETURN; 316 } 317 318 if (uca.bulkout == -1) { 319 printf("%s: Could not find data bulk out\n", 320 USBDEVNAME(sc->sc_dev)); 321 sc->sc_dying = 1; 322 USB_ATTACH_ERROR_RETURN; 323 } 324 325 sc->sc_dtr = sc->sc_rts = -1; 326 uca.portno = UCOM_UNK_PORTNO; 327 /* bulkin, bulkout set above */ 328 uca.ibufsize = UPLCOMIBUFSIZE; 329 uca.obufsize = UPLCOMOBUFSIZE; 330 uca.ibufsizepad = UPLCOMIBUFSIZE; 331 uca.opkthdrlen = 0; 332 uca.device = dev; 333 uca.iface = sc->sc_iface; 334 uca.methods = &uplcom_methods; 335 uca.arg = sc; 336 uca.info = NULL; 337 338 err = uplcom_reset(sc); 339 340 if (err) { 341 printf("%s: reset failed, %s\n", USBDEVNAME(sc->sc_dev), 342 usbd_errstr(err)); 343 sc->sc_dying = 1; 344 USB_ATTACH_ERROR_RETURN; 345 } 346 347 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 348 USBDEV(sc->sc_dev)); 349 350 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 351 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 352 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); 353 354 USB_ATTACH_SUCCESS_RETURN; 355 } 356 357 USB_DETACH(uplcom) 358 { 359 USB_DETACH_START(uplcom, sc); 360 int rv = 0; 361 362 DPRINTF(("uplcom_detach: sc=%p flags=%d\n", sc, flags)); 363 364 if (sc->sc_intr_pipe != NULL) { 365 usbd_abort_pipe(sc->sc_intr_pipe); 366 usbd_close_pipe(sc->sc_intr_pipe); 367 free(sc->sc_intr_buf, M_USBDEV); 368 sc->sc_intr_pipe = NULL; 369 } 370 371 sc->sc_dying = 1; 372 if (sc->sc_subdev != NULL) { 373 rv = config_detach(sc->sc_subdev, flags); 374 sc->sc_subdev = NULL; 375 } 376 377 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 378 USBDEV(sc->sc_dev)); 379 380 return (rv); 381 } 382 383 int 384 uplcom_activate(device_ptr_t self, enum devact act) 385 { 386 struct uplcom_softc *sc = (struct uplcom_softc *)self; 387 int rv = 0; 388 389 switch (act) { 390 case DVACT_ACTIVATE: 391 return (EOPNOTSUPP); 392 break; 393 394 case DVACT_DEACTIVATE: 395 if (sc->sc_subdev != NULL) 396 rv = config_deactivate(sc->sc_subdev); 397 sc->sc_dying = 1; 398 break; 399 } 400 return (rv); 401 } 402 403 404 usbd_status 405 uplcom_reset(struct uplcom_softc *sc) 406 { 407 usb_device_request_t req; 408 usbd_status err; 409 410 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 411 req.bRequest = UPLCOM_RESET; 412 USETW(req.wValue, UPLCOM_RESET); 413 USETW(req.wIndex, sc->sc_iface_number); 414 USETW(req.wLength, 0); 415 416 err = usbd_do_request(sc->sc_udev, &req, 0); 417 if (err) 418 return (EIO); 419 420 return (0); 421 } 422 423 void 424 uplcom_set_line_state(struct uplcom_softc *sc) 425 { 426 usb_device_request_t req; 427 int ls; 428 429 ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) | 430 (sc->sc_rts ? UCDC_LINE_RTS : 0); 431 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 432 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 433 USETW(req.wValue, ls); 434 USETW(req.wIndex, sc->sc_iface_number); 435 USETW(req.wLength, 0); 436 437 (void)usbd_do_request(sc->sc_udev, &req, 0); 438 439 } 440 441 void 442 uplcom_set(void *addr, int portno, int reg, int onoff) 443 { 444 struct uplcom_softc *sc = addr; 445 446 switch (reg) { 447 case UCOM_SET_DTR: 448 uplcom_dtr(sc, onoff); 449 break; 450 case UCOM_SET_RTS: 451 uplcom_rts(sc, onoff); 452 break; 453 case UCOM_SET_BREAK: 454 uplcom_break(sc, onoff); 455 break; 456 default: 457 break; 458 } 459 } 460 461 void 462 uplcom_dtr(struct uplcom_softc *sc, int onoff) 463 { 464 465 DPRINTF(("uplcom_dtr: onoff=%d\n", onoff)); 466 467 if (sc->sc_dtr == onoff) 468 return; 469 sc->sc_dtr = onoff; 470 471 uplcom_set_line_state(sc); 472 } 473 474 void 475 uplcom_rts(struct uplcom_softc *sc, int onoff) 476 { 477 DPRINTF(("uplcom_rts: onoff=%d\n", onoff)); 478 479 if (sc->sc_rts == onoff) 480 return; 481 sc->sc_rts = onoff; 482 483 uplcom_set_line_state(sc); 484 } 485 486 void 487 uplcom_break(struct uplcom_softc *sc, int onoff) 488 { 489 usb_device_request_t req; 490 491 DPRINTF(("uplcom_break: onoff=%d\n", onoff)); 492 493 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 494 req.bRequest = UCDC_SEND_BREAK; 495 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 496 USETW(req.wIndex, sc->sc_iface_number); 497 USETW(req.wLength, 0); 498 499 (void)usbd_do_request(sc->sc_udev, &req, 0); 500 } 501 502 usbd_status 503 uplcom_set_line_coding(struct uplcom_softc *sc, usb_cdc_line_state_t *state) 504 { 505 usb_device_request_t req; 506 usbd_status err; 507 508 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n", 509 UGETDW(state->dwDTERate), state->bCharFormat, 510 state->bParityType, state->bDataBits)); 511 512 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { 513 DPRINTF(("uplcom_set_line_coding: already set\n")); 514 return (USBD_NORMAL_COMPLETION); 515 } 516 517 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 518 req.bRequest = UCDC_SET_LINE_CODING; 519 USETW(req.wValue, 0); 520 USETW(req.wIndex, sc->sc_iface_number); 521 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 522 523 err = usbd_do_request(sc->sc_udev, &req, state); 524 if (err) { 525 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n", 526 usbd_errstr(err))); 527 return (err); 528 } 529 530 sc->sc_line_state = *state; 531 532 return (USBD_NORMAL_COMPLETION); 533 } 534 535 int 536 uplcom_param(void *addr, int portno, struct termios *t) 537 { 538 struct uplcom_softc *sc = addr; 539 usbd_status err; 540 usb_cdc_line_state_t ls; 541 542 DPRINTF(("uplcom_param: sc=%p\n", sc)); 543 544 USETDW(ls.dwDTERate, t->c_ospeed); 545 if (ISSET(t->c_cflag, CSTOPB)) 546 ls.bCharFormat = UCDC_STOP_BIT_2; 547 else 548 ls.bCharFormat = UCDC_STOP_BIT_1; 549 if (ISSET(t->c_cflag, PARENB)) { 550 if (ISSET(t->c_cflag, PARODD)) 551 ls.bParityType = UCDC_PARITY_ODD; 552 else 553 ls.bParityType = UCDC_PARITY_EVEN; 554 } else 555 ls.bParityType = UCDC_PARITY_NONE; 556 switch (ISSET(t->c_cflag, CSIZE)) { 557 case CS5: 558 ls.bDataBits = 5; 559 break; 560 case CS6: 561 ls.bDataBits = 6; 562 break; 563 case CS7: 564 ls.bDataBits = 7; 565 break; 566 case CS8: 567 ls.bDataBits = 8; 568 break; 569 } 570 571 err = uplcom_set_line_coding(sc, &ls); 572 if (err) { 573 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 574 return (EIO); 575 } 576 return (0); 577 } 578 579 int 580 uplcom_open(void *addr, int portno) 581 { 582 struct uplcom_softc *sc = addr; 583 int err; 584 585 if (sc->sc_dying) 586 return (EIO); 587 588 DPRINTF(("uplcom_open: sc=%p\n", sc)); 589 590 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 591 sc->sc_status = 0; /* clear status bit */ 592 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 593 err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_intr_number, 594 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, 595 sc->sc_intr_buf, sc->sc_isize, 596 uplcom_intr, USBD_DEFAULT_INTERVAL); 597 if (err) { 598 DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n", 599 USBDEVNAME(sc->sc_dev), sc->sc_intr_number)); 600 return (EIO); 601 } 602 } 603 604 return (0); 605 } 606 607 void 608 uplcom_close(void *addr, int portno) 609 { 610 struct uplcom_softc *sc = addr; 611 int err; 612 613 if (sc->sc_dying) 614 return; 615 616 DPRINTF(("uplcom_close: close\n")); 617 618 if (sc->sc_intr_pipe != NULL) { 619 err = usbd_abort_pipe(sc->sc_intr_pipe); 620 if (err) 621 printf("%s: abort interrupt pipe failed: %s\n", 622 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 623 err = usbd_close_pipe(sc->sc_intr_pipe); 624 if (err) 625 printf("%s: close interrupt pipe failed: %s\n", 626 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 627 free(sc->sc_intr_buf, M_USBDEV); 628 sc->sc_intr_pipe = NULL; 629 } 630 } 631 632 void 633 uplcom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 634 { 635 struct uplcom_softc *sc = priv; 636 u_char *buf = sc->sc_intr_buf; 637 u_char pstatus; 638 639 if (sc->sc_dying) 640 return; 641 642 if (status != USBD_NORMAL_COMPLETION) { 643 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 644 return; 645 646 DPRINTF(("%s: abnormal status: %s\n", USBDEVNAME(sc->sc_dev), 647 usbd_errstr(status))); 648 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 649 return; 650 } 651 652 DPRINTF(("%s: uplcom status = %02x\n", USBDEVNAME(sc->sc_dev), buf[8])); 653 654 sc->sc_lsr = sc->sc_msr = 0; 655 pstatus = buf[8]; 656 if (ISSET(pstatus, RSAQ_STATUS_DSR)) 657 sc->sc_msr |= UMSR_DSR; 658 if (ISSET(pstatus, RSAQ_STATUS_DCD)) 659 sc->sc_msr |= UMSR_DCD; 660 ucom_status_change((struct ucom_softc *) sc->sc_subdev); 661 } 662 663 void 664 uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 665 { 666 struct uplcom_softc *sc = addr; 667 668 DPRINTF(("uplcom_get_status:\n")); 669 670 if (lsr != NULL) 671 *lsr = sc->sc_lsr; 672 if (msr != NULL) 673 *msr = sc->sc_msr; 674 } 675 676 #if TODO 677 int 678 uplcom_ioctl(void *addr, int portno, u_long cmd, caddr_t data, int flag, 679 struct proc *p) 680 { 681 struct uplcom_softc *sc = addr; 682 int error = 0; 683 684 if (sc->sc_dying) 685 return (EIO); 686 687 DPRINTF(("uplcom_ioctl: cmd=0x%08lx\n", cmd)); 688 689 switch (cmd) { 690 case TIOCNOTTY: 691 case TIOCMGET: 692 case TIOCMSET: 693 case USB_GET_CM_OVER_DATA: 694 case USB_SET_CM_OVER_DATA: 695 break; 696 697 default: 698 DPRINTF(("uplcom_ioctl: unknown\n")); 699 error = ENOTTY; 700 break; 701 } 702 703 return (error); 704 } 705 #endif 706
Indexes created Fri Sep 26 20:09:58 GMT 2025