uplcom.c revision 1.14
1 /* $NetBSD: uplcom.c,v 1.14 2001/03/26 12:58:44 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 }, 155 156 { 0, 0 } 157 }; 158 159 USB_DECLARE_DRIVER(uplcom); 160 161 USB_MATCH(uplcom) 162 { 163 USB_MATCH_START(uplcom, uaa); 164 int i; 165 166 if (uaa->iface != NULL) 167 return (UMATCH_NONE); 168 169 for (i = 0; uplcom_products[i].vendor != 0; i++) { 170 if (uplcom_products[i].vendor == uaa->vendor && 171 uplcom_products[i].product == uaa->product) { 172 return (UMATCH_VENDOR_PRODUCT); 173 } 174 } 175 return (UMATCH_NONE); 176 } 177 178 USB_ATTACH(uplcom) 179 { 180 USB_ATTACH_START(uplcom, sc, uaa); 181 usbd_device_handle dev = uaa->device; 182 usb_config_descriptor_t *cdesc; 183 usb_interface_descriptor_t *id; 184 usb_endpoint_descriptor_t *ed; 185 186 char devinfo[1024]; 187 char *devname = USBDEVNAME(sc->sc_dev); 188 usbd_status err; 189 int i; 190 struct ucom_attach_args uca; 191 192 usbd_devinfo(dev, 0, devinfo); 193 USB_ATTACH_SETUP; 194 printf("%s: %s\n", devname, devinfo); 195 196 sc->sc_udev = dev; 197 198 DPRINTF(("\n\nuplcom attach: sc=%p\n", sc)); 199 200 /* initialize endpoints */ 201 uca.bulkin = uca.bulkout = -1; 202 sc->sc_intr_number = -1; 203 sc->sc_intr_pipe = NULL; 204 205 /* Move the device into the configured state. */ 206 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); 207 if (err) { 208 printf("\n%s: failed to set configuration, err=%s\n", 209 devname, usbd_errstr(err)); 210 sc->sc_dying = 1; 211 USB_ATTACH_ERROR_RETURN; 212 } 213 214 /* get the config descriptor */ 215 cdesc = usbd_get_config_descriptor(sc->sc_udev); 216 217 if (cdesc == NULL) { 218 printf("%s: failed to get configuration descriptor\n", 219 USBDEVNAME(sc->sc_dev)); 220 sc->sc_dying = 1; 221 USB_ATTACH_ERROR_RETURN; 222 } 223 224 /* get the (first/common) interface */ 225 err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX, 226 &sc->sc_iface); 227 if (err) { 228 printf("\n%s: failed to get interface, err=%s\n", 229 devname, usbd_errstr(err)); 230 sc->sc_dying = 1; 231 USB_ATTACH_ERROR_RETURN; 232 } 233 234 /* Find the interrupt endpoints */ 235 236 id = usbd_get_interface_descriptor(sc->sc_iface); 237 sc->sc_iface_number = id->bInterfaceNumber; 238 239 for (i = 0; i < id->bNumEndpoints; i++) { 240 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 241 if (ed == NULL) { 242 printf("%s: no endpoint descriptor for %d\n", 243 USBDEVNAME(sc->sc_dev), i); 244 sc->sc_dying = 1; 245 USB_ATTACH_ERROR_RETURN; 246 } 247 248 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 249 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 250 sc->sc_intr_number = ed->bEndpointAddress; 251 sc->sc_isize = UGETW(ed->wMaxPacketSize); 252 } 253 } 254 255 if (sc->sc_intr_number== -1) { 256 printf("%s: Could not find interrupt in\n", 257 USBDEVNAME(sc->sc_dev)); 258 sc->sc_dying = 1; 259 USB_ATTACH_ERROR_RETURN; 260 } 261 262 /* 263 * USB-RSAQ1 has two interface 264 * 265 * USB-RSAQ1 | USB-RSAQ2 266 * -----------------+----------------- 267 * Interface 0 |Interface 0 268 * Interrupt(0x81) | Interrupt(0x81) 269 * -----------------+ BulkIN(0x02) 270 * Interface 1 | BulkOUT(0x83) 271 * BulkIN(0x02) | 272 * BulkOUT(0x83) | 273 */ 274 if (cdesc->bNumInterface == 2) { 275 err = usbd_device2interface_handle(dev, 276 UPLCOM_SECOND_IFACE_INDEX, &sc->sc_iface); 277 if (err) { 278 printf("\n%s: failed to get second interface, err=%s\n", 279 devname, usbd_errstr(err)); 280 sc->sc_dying = 1; 281 USB_ATTACH_ERROR_RETURN; 282 } 283 } 284 285 /* Find the bulk{in,out} endpoints */ 286 287 id = usbd_get_interface_descriptor(sc->sc_iface); 288 sc->sc_iface_number = id->bInterfaceNumber; 289 290 for (i = 0; i < id->bNumEndpoints; i++) { 291 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 292 if (ed == NULL) { 293 printf("%s: no endpoint descriptor for %d\n", 294 USBDEVNAME(sc->sc_dev), i); 295 sc->sc_dying = 1; 296 USB_ATTACH_ERROR_RETURN; 297 } 298 299 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 300 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 301 uca.bulkin = ed->bEndpointAddress; 302 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 303 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 304 uca.bulkout = ed->bEndpointAddress; 305 } 306 } 307 308 if (uca.bulkin == -1) { 309 printf("%s: Could not find data bulk in\n", 310 USBDEVNAME(sc->sc_dev)); 311 sc->sc_dying = 1; 312 USB_ATTACH_ERROR_RETURN; 313 } 314 315 if (uca.bulkout == -1) { 316 printf("%s: Could not find data bulk out\n", 317 USBDEVNAME(sc->sc_dev)); 318 sc->sc_dying = 1; 319 USB_ATTACH_ERROR_RETURN; 320 } 321 322 sc->sc_dtr = sc->sc_rts = -1; 323 uca.portno = UCOM_UNK_PORTNO; 324 /* bulkin, bulkout set above */ 325 uca.ibufsize = UPLCOMIBUFSIZE; 326 uca.obufsize = UPLCOMOBUFSIZE; 327 uca.ibufsizepad = UPLCOMIBUFSIZE; 328 uca.opkthdrlen = 0; 329 uca.device = dev; 330 uca.iface = sc->sc_iface; 331 uca.methods = &uplcom_methods; 332 uca.arg = sc; 333 uca.info = NULL; 334 335 err = uplcom_reset(sc); 336 337 if (err) { 338 printf("%s: reset failed, %s\n", USBDEVNAME(sc->sc_dev), 339 usbd_errstr(err)); 340 sc->sc_dying = 1; 341 USB_ATTACH_ERROR_RETURN; 342 } 343 344 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 345 USBDEV(sc->sc_dev)); 346 347 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 348 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 349 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); 350 351 USB_ATTACH_SUCCESS_RETURN; 352 } 353 354 USB_DETACH(uplcom) 355 { 356 USB_DETACH_START(uplcom, sc); 357 int rv = 0; 358 359 DPRINTF(("uplcom_detach: sc=%p flags=%d\n", sc, flags)); 360 361 if (sc->sc_intr_pipe != NULL) { 362 usbd_abort_pipe(sc->sc_intr_pipe); 363 usbd_close_pipe(sc->sc_intr_pipe); 364 free(sc->sc_intr_buf, M_USBDEV); 365 sc->sc_intr_pipe = NULL; 366 } 367 368 sc->sc_dying = 1; 369 if (sc->sc_subdev != NULL) { 370 rv = config_detach(sc->sc_subdev, flags); 371 sc->sc_subdev = NULL; 372 } 373 374 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 375 USBDEV(sc->sc_dev)); 376 377 return (rv); 378 } 379 380 int 381 uplcom_activate(device_ptr_t self, enum devact act) 382 { 383 struct uplcom_softc *sc = (struct uplcom_softc *)self; 384 int rv = 0; 385 386 switch (act) { 387 case DVACT_ACTIVATE: 388 return (EOPNOTSUPP); 389 break; 390 391 case DVACT_DEACTIVATE: 392 if (sc->sc_subdev != NULL) 393 rv = config_deactivate(sc->sc_subdev); 394 sc->sc_dying = 1; 395 break; 396 } 397 return (rv); 398 } 399 400 401 usbd_status 402 uplcom_reset(struct uplcom_softc *sc) 403 { 404 usb_device_request_t req; 405 usbd_status err; 406 407 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 408 req.bRequest = UPLCOM_RESET; 409 USETW(req.wValue, UPLCOM_RESET); 410 USETW(req.wIndex, sc->sc_iface_number); 411 USETW(req.wLength, 0); 412 413 err = usbd_do_request(sc->sc_udev, &req, 0); 414 if (err) 415 return (EIO); 416 417 return (0); 418 } 419 420 void 421 uplcom_set_line_state(struct uplcom_softc *sc) 422 { 423 usb_device_request_t req; 424 int ls; 425 426 ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) | 427 (sc->sc_rts ? UCDC_LINE_RTS : 0); 428 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 429 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 430 USETW(req.wValue, ls); 431 USETW(req.wIndex, sc->sc_iface_number); 432 USETW(req.wLength, 0); 433 434 (void)usbd_do_request(sc->sc_udev, &req, 0); 435 436 } 437 438 void 439 uplcom_set(void *addr, int portno, int reg, int onoff) 440 { 441 struct uplcom_softc *sc = addr; 442 443 switch (reg) { 444 case UCOM_SET_DTR: 445 uplcom_dtr(sc, onoff); 446 break; 447 case UCOM_SET_RTS: 448 uplcom_rts(sc, onoff); 449 break; 450 case UCOM_SET_BREAK: 451 uplcom_break(sc, onoff); 452 break; 453 default: 454 break; 455 } 456 } 457 458 void 459 uplcom_dtr(struct uplcom_softc *sc, int onoff) 460 { 461 462 DPRINTF(("uplcom_dtr: onoff=%d\n", onoff)); 463 464 if (sc->sc_dtr == onoff) 465 return; 466 sc->sc_dtr = onoff; 467 468 uplcom_set_line_state(sc); 469 } 470 471 void 472 uplcom_rts(struct uplcom_softc *sc, int onoff) 473 { 474 DPRINTF(("uplcom_rts: onoff=%d\n", onoff)); 475 476 if (sc->sc_rts == onoff) 477 return; 478 sc->sc_rts = onoff; 479 480 uplcom_set_line_state(sc); 481 } 482 483 void 484 uplcom_break(struct uplcom_softc *sc, int onoff) 485 { 486 usb_device_request_t req; 487 488 DPRINTF(("uplcom_break: onoff=%d\n", onoff)); 489 490 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 491 req.bRequest = UCDC_SEND_BREAK; 492 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 493 USETW(req.wIndex, sc->sc_iface_number); 494 USETW(req.wLength, 0); 495 496 (void)usbd_do_request(sc->sc_udev, &req, 0); 497 } 498 499 usbd_status 500 uplcom_set_line_coding(struct uplcom_softc *sc, usb_cdc_line_state_t *state) 501 { 502 usb_device_request_t req; 503 usbd_status err; 504 505 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n", 506 UGETDW(state->dwDTERate), state->bCharFormat, 507 state->bParityType, state->bDataBits)); 508 509 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { 510 DPRINTF(("uplcom_set_line_coding: already set\n")); 511 return (USBD_NORMAL_COMPLETION); 512 } 513 514 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 515 req.bRequest = UCDC_SET_LINE_CODING; 516 USETW(req.wValue, 0); 517 USETW(req.wIndex, sc->sc_iface_number); 518 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 519 520 err = usbd_do_request(sc->sc_udev, &req, state); 521 if (err) { 522 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n", 523 usbd_errstr(err))); 524 return (err); 525 } 526 527 sc->sc_line_state = *state; 528 529 return (USBD_NORMAL_COMPLETION); 530 } 531 532 int 533 uplcom_param(void *addr, int portno, struct termios *t) 534 { 535 struct uplcom_softc *sc = addr; 536 usbd_status err; 537 usb_cdc_line_state_t ls; 538 539 DPRINTF(("uplcom_param: sc=%p\n", sc)); 540 541 USETDW(ls.dwDTERate, t->c_ospeed); 542 if (ISSET(t->c_cflag, CSTOPB)) 543 ls.bCharFormat = UCDC_STOP_BIT_2; 544 else 545 ls.bCharFormat = UCDC_STOP_BIT_1; 546 if (ISSET(t->c_cflag, PARENB)) { 547 if (ISSET(t->c_cflag, PARODD)) 548 ls.bParityType = UCDC_PARITY_ODD; 549 else 550 ls.bParityType = UCDC_PARITY_EVEN; 551 } else 552 ls.bParityType = UCDC_PARITY_NONE; 553 switch (ISSET(t->c_cflag, CSIZE)) { 554 case CS5: 555 ls.bDataBits = 5; 556 break; 557 case CS6: 558 ls.bDataBits = 6; 559 break; 560 case CS7: 561 ls.bDataBits = 7; 562 break; 563 case CS8: 564 ls.bDataBits = 8; 565 break; 566 } 567 568 err = uplcom_set_line_coding(sc, &ls); 569 if (err) { 570 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 571 return (EIO); 572 } 573 return (0); 574 } 575 576 int 577 uplcom_open(void *addr, int portno) 578 { 579 struct uplcom_softc *sc = addr; 580 int err; 581 582 if (sc->sc_dying) 583 return (EIO); 584 585 DPRINTF(("uplcom_open: sc=%p\n", sc)); 586 587 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 588 sc->sc_status = 0; /* clear status bit */ 589 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 590 err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_intr_number, 591 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, 592 sc->sc_intr_buf, sc->sc_isize, 593 uplcom_intr, USBD_DEFAULT_INTERVAL); 594 if (err) { 595 DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n", 596 USBDEVNAME(sc->sc_dev), sc->sc_intr_number)); 597 return (EIO); 598 } 599 } 600 601 return (0); 602 } 603 604 void 605 uplcom_close(void *addr, int portno) 606 { 607 struct uplcom_softc *sc = addr; 608 int err; 609 610 if (sc->sc_dying) 611 return; 612 613 DPRINTF(("uplcom_close: close\n")); 614 615 if (sc->sc_intr_pipe != NULL) { 616 err = usbd_abort_pipe(sc->sc_intr_pipe); 617 if (err) 618 printf("%s: abort interrupt pipe failed: %s\n", 619 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 620 err = usbd_close_pipe(sc->sc_intr_pipe); 621 if (err) 622 printf("%s: close interrupt pipe failed: %s\n", 623 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 624 free(sc->sc_intr_buf, M_USBDEV); 625 sc->sc_intr_pipe = NULL; 626 } 627 } 628 629 void 630 uplcom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 631 { 632 struct uplcom_softc *sc = priv; 633 u_char *buf = sc->sc_intr_buf; 634 u_char pstatus; 635 636 if (sc->sc_dying) 637 return; 638 639 if (status != USBD_NORMAL_COMPLETION) { 640 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 641 return; 642 643 DPRINTF(("%s: abnormal status: %s\n", USBDEVNAME(sc->sc_dev), 644 usbd_errstr(status))); 645 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 646 return; 647 } 648 649 DPRINTF(("%s: uplcom status = %02x\n", USBDEVNAME(sc->sc_dev), buf[8])); 650 651 sc->sc_lsr = sc->sc_msr = 0; 652 pstatus = buf[8]; 653 if (ISSET(pstatus, RSAQ_STATUS_DSR)) 654 sc->sc_msr |= UMSR_DSR; 655 if (ISSET(pstatus, RSAQ_STATUS_DCD)) 656 sc->sc_msr |= UMSR_DCD; 657 ucom_status_change((struct ucom_softc *) sc->sc_subdev); 658 } 659 660 void 661 uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 662 { 663 struct uplcom_softc *sc = addr; 664 665 DPRINTF(("uplcom_get_status:\n")); 666 667 if (lsr != NULL) 668 *lsr = sc->sc_lsr; 669 if (msr != NULL) 670 *msr = sc->sc_msr; 671 } 672 673 #if TODO 674 int 675 uplcom_ioctl(void *addr, int portno, u_long cmd, caddr_t data, int flag, 676 struct proc *p) 677 { 678 struct uplcom_softc *sc = addr; 679 int error = 0; 680 681 if (sc->sc_dying) 682 return (EIO); 683 684 DPRINTF(("uplcom_ioctl: cmd=0x%08lx\n", cmd)); 685 686 switch (cmd) { 687 case TIOCNOTTY: 688 case TIOCMGET: 689 case TIOCMSET: 690 case USB_GET_CM_OVER_DATA: 691 case USB_SET_CM_OVER_DATA: 692 break; 693 694 default: 695 DPRINTF(("uplcom_ioctl: unknown\n")); 696 error = ENOTTY; 697 break; 698 } 699 700 return (error); 701 } 702 #endif 703
Indexes created Sun Sep 28 07:09:56 GMT 2025