uplcom.c revision 1.16
1 /* $NetBSD: uplcom.c,v 1.16 2001/04/02 13:38:14 ichiro 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_PL2303 }, 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 }, 157 158 { 0, 0 } 159 }; 160 161 USB_DECLARE_DRIVER(uplcom); 162 163 USB_MATCH(uplcom) 164 { 165 USB_MATCH_START(uplcom, uaa); 166 int i; 167 168 if (uaa->iface != NULL) 169 return (UMATCH_NONE); 170 171 for (i = 0; uplcom_products[i].vendor != 0; i++) { 172 if (uplcom_products[i].vendor == uaa->vendor && 173 uplcom_products[i].product == uaa->product) { 174 return (UMATCH_VENDOR_PRODUCT); 175 } 176 } 177 return (UMATCH_NONE); 178 } 179 180 USB_ATTACH(uplcom) 181 { 182 USB_ATTACH_START(uplcom, sc, uaa); 183 usbd_device_handle dev = uaa->device; 184 usb_config_descriptor_t *cdesc; 185 usb_interface_descriptor_t *id; 186 usb_endpoint_descriptor_t *ed; 187 188 char devinfo[1024]; 189 char *devname = USBDEVNAME(sc->sc_dev); 190 usbd_status err; 191 int i; 192 struct ucom_attach_args uca; 193 194 usbd_devinfo(dev, 0, devinfo); 195 USB_ATTACH_SETUP; 196 printf("%s: %s\n", devname, devinfo); 197 198 sc->sc_udev = dev; 199 200 DPRINTF(("\n\nuplcom attach: sc=%p\n", sc)); 201 202 /* initialize endpoints */ 203 uca.bulkin = uca.bulkout = -1; 204 sc->sc_intr_number = -1; 205 sc->sc_intr_pipe = NULL; 206 207 /* Move the device into the configured state. */ 208 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); 209 if (err) { 210 printf("\n%s: failed to set configuration, err=%s\n", 211 devname, usbd_errstr(err)); 212 sc->sc_dying = 1; 213 USB_ATTACH_ERROR_RETURN; 214 } 215 216 /* get the config descriptor */ 217 cdesc = usbd_get_config_descriptor(sc->sc_udev); 218 219 if (cdesc == NULL) { 220 printf("%s: failed to get configuration descriptor\n", 221 USBDEVNAME(sc->sc_dev)); 222 sc->sc_dying = 1; 223 USB_ATTACH_ERROR_RETURN; 224 } 225 226 /* get the (first/common) interface */ 227 err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX, 228 &sc->sc_iface); 229 if (err) { 230 printf("\n%s: failed to get interface, err=%s\n", 231 devname, usbd_errstr(err)); 232 sc->sc_dying = 1; 233 USB_ATTACH_ERROR_RETURN; 234 } 235 236 /* Find the interrupt endpoints */ 237 238 id = usbd_get_interface_descriptor(sc->sc_iface); 239 sc->sc_iface_number = id->bInterfaceNumber; 240 241 for (i = 0; i < id->bNumEndpoints; i++) { 242 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 243 if (ed == NULL) { 244 printf("%s: no endpoint descriptor for %d\n", 245 USBDEVNAME(sc->sc_dev), i); 246 sc->sc_dying = 1; 247 USB_ATTACH_ERROR_RETURN; 248 } 249 250 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 251 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 252 sc->sc_intr_number = ed->bEndpointAddress; 253 sc->sc_isize = UGETW(ed->wMaxPacketSize); 254 } 255 } 256 257 if (sc->sc_intr_number== -1) { 258 printf("%s: Could not find interrupt in\n", 259 USBDEVNAME(sc->sc_dev)); 260 sc->sc_dying = 1; 261 USB_ATTACH_ERROR_RETURN; 262 } 263 264 /* 265 * USB-RSAQ1 has two interface 266 * 267 * USB-RSAQ1 | USB-RSAQ2 268 * -----------------+----------------- 269 * Interface 0 |Interface 0 270 * Interrupt(0x81) | Interrupt(0x81) 271 * -----------------+ BulkIN(0x02) 272 * Interface 1 | BulkOUT(0x83) 273 * BulkIN(0x02) | 274 * BulkOUT(0x83) | 275 */ 276 if (cdesc->bNumInterface == 2) { 277 err = usbd_device2interface_handle(dev, 278 UPLCOM_SECOND_IFACE_INDEX, &sc->sc_iface); 279 if (err) { 280 printf("\n%s: failed to get second interface, err=%s\n", 281 devname, usbd_errstr(err)); 282 sc->sc_dying = 1; 283 USB_ATTACH_ERROR_RETURN; 284 } 285 } 286 287 /* Find the bulk{in,out} endpoints */ 288 289 id = usbd_get_interface_descriptor(sc->sc_iface); 290 sc->sc_iface_number = id->bInterfaceNumber; 291 292 for (i = 0; i < id->bNumEndpoints; i++) { 293 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 294 if (ed == NULL) { 295 printf("%s: no endpoint descriptor for %d\n", 296 USBDEVNAME(sc->sc_dev), i); 297 sc->sc_dying = 1; 298 USB_ATTACH_ERROR_RETURN; 299 } 300 301 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 302 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 303 uca.bulkin = ed->bEndpointAddress; 304 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 305 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 306 uca.bulkout = ed->bEndpointAddress; 307 } 308 } 309 310 if (uca.bulkin == -1) { 311 printf("%s: Could not find data bulk in\n", 312 USBDEVNAME(sc->sc_dev)); 313 sc->sc_dying = 1; 314 USB_ATTACH_ERROR_RETURN; 315 } 316 317 if (uca.bulkout == -1) { 318 printf("%s: Could not find data bulk out\n", 319 USBDEVNAME(sc->sc_dev)); 320 sc->sc_dying = 1; 321 USB_ATTACH_ERROR_RETURN; 322 } 323 324 sc->sc_dtr = sc->sc_rts = -1; 325 uca.portno = UCOM_UNK_PORTNO; 326 /* bulkin, bulkout set above */ 327 uca.ibufsize = UPLCOMIBUFSIZE; 328 uca.obufsize = UPLCOMOBUFSIZE; 329 uca.ibufsizepad = UPLCOMIBUFSIZE; 330 uca.opkthdrlen = 0; 331 uca.device = dev; 332 uca.iface = sc->sc_iface; 333 uca.methods = &uplcom_methods; 334 uca.arg = sc; 335 uca.info = NULL; 336 337 err = uplcom_reset(sc); 338 339 if (err) { 340 printf("%s: reset failed, %s\n", USBDEVNAME(sc->sc_dev), 341 usbd_errstr(err)); 342 sc->sc_dying = 1; 343 USB_ATTACH_ERROR_RETURN; 344 } 345 346 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 347 USBDEV(sc->sc_dev)); 348 349 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 350 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 351 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); 352 353 USB_ATTACH_SUCCESS_RETURN; 354 } 355 356 USB_DETACH(uplcom) 357 { 358 USB_DETACH_START(uplcom, sc); 359 int rv = 0; 360 361 DPRINTF(("uplcom_detach: sc=%p flags=%d\n", sc, flags)); 362 363 if (sc->sc_intr_pipe != NULL) { 364 usbd_abort_pipe(sc->sc_intr_pipe); 365 usbd_close_pipe(sc->sc_intr_pipe); 366 free(sc->sc_intr_buf, M_USBDEV); 367 sc->sc_intr_pipe = NULL; 368 } 369 370 sc->sc_dying = 1; 371 if (sc->sc_subdev != NULL) { 372 rv = config_detach(sc->sc_subdev, flags); 373 sc->sc_subdev = NULL; 374 } 375 376 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 377 USBDEV(sc->sc_dev)); 378 379 return (rv); 380 } 381 382 int 383 uplcom_activate(device_ptr_t self, enum devact act) 384 { 385 struct uplcom_softc *sc = (struct uplcom_softc *)self; 386 int rv = 0; 387 388 switch (act) { 389 case DVACT_ACTIVATE: 390 return (EOPNOTSUPP); 391 break; 392 393 case DVACT_DEACTIVATE: 394 if (sc->sc_subdev != NULL) 395 rv = config_deactivate(sc->sc_subdev); 396 sc->sc_dying = 1; 397 break; 398 } 399 return (rv); 400 } 401 402 403 usbd_status 404 uplcom_reset(struct uplcom_softc *sc) 405 { 406 usb_device_request_t req; 407 usbd_status err; 408 409 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 410 req.bRequest = UPLCOM_RESET; 411 USETW(req.wValue, UPLCOM_RESET); 412 USETW(req.wIndex, sc->sc_iface_number); 413 USETW(req.wLength, 0); 414 415 err = usbd_do_request(sc->sc_udev, &req, 0); 416 if (err) 417 return (EIO); 418 419 return (0); 420 } 421 422 void 423 uplcom_set_line_state(struct uplcom_softc *sc) 424 { 425 usb_device_request_t req; 426 int ls; 427 428 ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) | 429 (sc->sc_rts ? UCDC_LINE_RTS : 0); 430 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 431 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 432 USETW(req.wValue, ls); 433 USETW(req.wIndex, sc->sc_iface_number); 434 USETW(req.wLength, 0); 435 436 (void)usbd_do_request(sc->sc_udev, &req, 0); 437 438 } 439 440 void 441 uplcom_set(void *addr, int portno, int reg, int onoff) 442 { 443 struct uplcom_softc *sc = addr; 444 445 switch (reg) { 446 case UCOM_SET_DTR: 447 uplcom_dtr(sc, onoff); 448 break; 449 case UCOM_SET_RTS: 450 uplcom_rts(sc, onoff); 451 break; 452 case UCOM_SET_BREAK: 453 uplcom_break(sc, onoff); 454 break; 455 default: 456 break; 457 } 458 } 459 460 void 461 uplcom_dtr(struct uplcom_softc *sc, int onoff) 462 { 463 464 DPRINTF(("uplcom_dtr: onoff=%d\n", onoff)); 465 466 if (sc->sc_dtr == onoff) 467 return; 468 sc->sc_dtr = onoff; 469 470 uplcom_set_line_state(sc); 471 } 472 473 void 474 uplcom_rts(struct uplcom_softc *sc, int onoff) 475 { 476 DPRINTF(("uplcom_rts: onoff=%d\n", onoff)); 477 478 if (sc->sc_rts == onoff) 479 return; 480 sc->sc_rts = onoff; 481 482 uplcom_set_line_state(sc); 483 } 484 485 void 486 uplcom_break(struct uplcom_softc *sc, int onoff) 487 { 488 usb_device_request_t req; 489 490 DPRINTF(("uplcom_break: onoff=%d\n", onoff)); 491 492 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 493 req.bRequest = UCDC_SEND_BREAK; 494 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 495 USETW(req.wIndex, sc->sc_iface_number); 496 USETW(req.wLength, 0); 497 498 (void)usbd_do_request(sc->sc_udev, &req, 0); 499 } 500 501 usbd_status 502 uplcom_set_line_coding(struct uplcom_softc *sc, usb_cdc_line_state_t *state) 503 { 504 usb_device_request_t req; 505 usbd_status err; 506 507 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n", 508 UGETDW(state->dwDTERate), state->bCharFormat, 509 state->bParityType, state->bDataBits)); 510 511 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { 512 DPRINTF(("uplcom_set_line_coding: already set\n")); 513 return (USBD_NORMAL_COMPLETION); 514 } 515 516 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 517 req.bRequest = UCDC_SET_LINE_CODING; 518 USETW(req.wValue, 0); 519 USETW(req.wIndex, sc->sc_iface_number); 520 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 521 522 err = usbd_do_request(sc->sc_udev, &req, state); 523 if (err) { 524 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n", 525 usbd_errstr(err))); 526 return (err); 527 } 528 529 sc->sc_line_state = *state; 530 531 return (USBD_NORMAL_COMPLETION); 532 } 533 534 int 535 uplcom_param(void *addr, int portno, struct termios *t) 536 { 537 struct uplcom_softc *sc = addr; 538 usbd_status err; 539 usb_cdc_line_state_t ls; 540 541 DPRINTF(("uplcom_param: sc=%p\n", sc)); 542 543 USETDW(ls.dwDTERate, t->c_ospeed); 544 if (ISSET(t->c_cflag, CSTOPB)) 545 ls.bCharFormat = UCDC_STOP_BIT_2; 546 else 547 ls.bCharFormat = UCDC_STOP_BIT_1; 548 if (ISSET(t->c_cflag, PARENB)) { 549 if (ISSET(t->c_cflag, PARODD)) 550 ls.bParityType = UCDC_PARITY_ODD; 551 else 552 ls.bParityType = UCDC_PARITY_EVEN; 553 } else 554 ls.bParityType = UCDC_PARITY_NONE; 555 switch (ISSET(t->c_cflag, CSIZE)) { 556 case CS5: 557 ls.bDataBits = 5; 558 break; 559 case CS6: 560 ls.bDataBits = 6; 561 break; 562 case CS7: 563 ls.bDataBits = 7; 564 break; 565 case CS8: 566 ls.bDataBits = 8; 567 break; 568 } 569 570 err = uplcom_set_line_coding(sc, &ls); 571 if (err) { 572 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 573 return (EIO); 574 } 575 return (0); 576 } 577 578 int 579 uplcom_open(void *addr, int portno) 580 { 581 struct uplcom_softc *sc = addr; 582 int err; 583 584 if (sc->sc_dying) 585 return (EIO); 586 587 DPRINTF(("uplcom_open: sc=%p\n", sc)); 588 589 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 590 sc->sc_status = 0; /* clear status bit */ 591 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 592 err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_intr_number, 593 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, 594 sc->sc_intr_buf, sc->sc_isize, 595 uplcom_intr, USBD_DEFAULT_INTERVAL); 596 if (err) { 597 DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n", 598 USBDEVNAME(sc->sc_dev), sc->sc_intr_number)); 599 return (EIO); 600 } 601 } 602 603 return (0); 604 } 605 606 void 607 uplcom_close(void *addr, int portno) 608 { 609 struct uplcom_softc *sc = addr; 610 int err; 611 612 if (sc->sc_dying) 613 return; 614 615 DPRINTF(("uplcom_close: close\n")); 616 617 if (sc->sc_intr_pipe != NULL) { 618 err = usbd_abort_pipe(sc->sc_intr_pipe); 619 if (err) 620 printf("%s: abort interrupt pipe failed: %s\n", 621 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 622 err = usbd_close_pipe(sc->sc_intr_pipe); 623 if (err) 624 printf("%s: close interrupt pipe failed: %s\n", 625 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 626 free(sc->sc_intr_buf, M_USBDEV); 627 sc->sc_intr_pipe = NULL; 628 } 629 } 630 631 void 632 uplcom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 633 { 634 struct uplcom_softc *sc = priv; 635 u_char *buf = sc->sc_intr_buf; 636 u_char pstatus; 637 638 if (sc->sc_dying) 639 return; 640 641 if (status != USBD_NORMAL_COMPLETION) { 642 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 643 return; 644 645 DPRINTF(("%s: abnormal status: %s\n", USBDEVNAME(sc->sc_dev), 646 usbd_errstr(status))); 647 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 648 return; 649 } 650 651 DPRINTF(("%s: uplcom status = %02x\n", USBDEVNAME(sc->sc_dev), buf[8])); 652 653 sc->sc_lsr = sc->sc_msr = 0; 654 pstatus = buf[8]; 655 if (ISSET(pstatus, RSAQ_STATUS_DSR)) 656 sc->sc_msr |= UMSR_DSR; 657 if (ISSET(pstatus, RSAQ_STATUS_DCD)) 658 sc->sc_msr |= UMSR_DCD; 659 ucom_status_change((struct ucom_softc *) sc->sc_subdev); 660 } 661 662 void 663 uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 664 { 665 struct uplcom_softc *sc = addr; 666 667 DPRINTF(("uplcom_get_status:\n")); 668 669 if (lsr != NULL) 670 *lsr = sc->sc_lsr; 671 if (msr != NULL) 672 *msr = sc->sc_msr; 673 } 674 675 #if TODO 676 int 677 uplcom_ioctl(void *addr, int portno, u_long cmd, caddr_t data, int flag, 678 struct proc *p) 679 { 680 struct uplcom_softc *sc = addr; 681 int error = 0; 682 683 if (sc->sc_dying) 684 return (EIO); 685 686 DPRINTF(("uplcom_ioctl: cmd=0x%08lx\n", cmd)); 687 688 switch (cmd) { 689 case TIOCNOTTY: 690 case TIOCMGET: 691 case TIOCMSET: 692 case USB_GET_CM_OVER_DATA: 693 case USB_SET_CM_OVER_DATA: 694 break; 695 696 default: 697 DPRINTF(("uplcom_ioctl: unknown\n")); 698 error = ENOTTY; 699 break; 700 } 701 702 return (error); 703 } 704 #endif 705
Indexes created Fri Sep 26 20:09:58 GMT 2025