uplcom.c revision 1.19
1 /* $NetBSD: uplcom.c,v 1.19 2001/07/20 21:03:41 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 83 #define UPLCOM_SET_REQUEST 0x01 84 #define UPLCOM_SET_CRTSCTS 0x41 85 #define RSAQ_STATUS_DSR 0x02 86 #define RSAQ_STATUS_DCD 0x01 87 88 struct uplcom_softc { 89 USBBASEDEVICE sc_dev; /* base device */ 90 usbd_device_handle sc_udev; /* USB device */ 91 usbd_interface_handle sc_iface; /* interface */ 92 int sc_iface_number; /* interface number */ 93 94 int sc_intr_number; /* interrupt number */ 95 usbd_pipe_handle sc_intr_pipe; /* interrupt pipe */ 96 u_char *sc_intr_buf; /* interrupt buffer */ 97 int sc_isize; 98 99 usb_cdc_line_state_t sc_line_state; /* current line state */ 100 u_char sc_dtr; /* current DTR state */ 101 u_char sc_rts; /* current RTS state */ 102 u_char sc_status; 103 104 device_ptr_t sc_subdev; /* ucom device */ 105 106 u_char sc_dying; /* disconnecting */ 107 108 u_char sc_lsr; /* Local status register */ 109 u_char sc_msr; /* uplcom status register */ 110 }; 111 112 /* 113 * These are the maximum number of bytes transferred per frame. 114 * The output buffer size cannot be increased due to the size encoding. 115 */ 116 #define UPLCOMIBUFSIZE 256 117 #define UPLCOMOBUFSIZE 256 118 119 Static usbd_status uplcom_reset(struct uplcom_softc *); 120 Static usbd_status uplcom_set_line_coding(struct uplcom_softc *sc, 121 usb_cdc_line_state_t *state); 122 Static usbd_status uplcom_set_crtscts(struct uplcom_softc *); 123 Static void uplcom_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 124 125 Static void uplcom_set(void *, int, int, int); 126 Static void uplcom_dtr(struct uplcom_softc *, int); 127 Static void uplcom_rts(struct uplcom_softc *, int); 128 Static void uplcom_break(struct uplcom_softc *, int); 129 Static void uplcom_set_line_state(struct uplcom_softc *); 130 Static void uplcom_get_status(void *, int portno, u_char *lsr, u_char *msr); 131 #if TODO 132 Static int uplcom_ioctl(void *, int, u_long, caddr_t, int, struct proc *); 133 #endif 134 Static int uplcom_param(void *, int, struct termios *); 135 Static int uplcom_open(void *, int); 136 Static void uplcom_close(void *, int); 137 138 struct ucom_methods uplcom_methods = { 139 uplcom_get_status, 140 uplcom_set, 141 uplcom_param, 142 NULL, /* uplcom_ioctl, TODO */ 143 uplcom_open, 144 uplcom_close, 145 NULL, 146 NULL, 147 }; 148 149 static const struct uplcom_product { 150 uint16_t vendor; 151 uint16_t product; 152 } uplcom_products [] = { 153 /* I/O DATA USB-RSAQ2 */ 154 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ2 }, 155 /* I/O DATA USB-RSAQ */ 156 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ }, 157 /* PLANEX USB-RS232 URS-03 */ 158 { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC232A }, 159 /* IOGEAR/ATEN UC-232A */ 160 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303 }, 161 { 0, 0 } 162 }; 163 164 USB_DECLARE_DRIVER(uplcom); 165 166 USB_MATCH(uplcom) 167 { 168 USB_MATCH_START(uplcom, uaa); 169 int i; 170 171 if (uaa->iface != NULL) 172 return (UMATCH_NONE); 173 174 for (i = 0; uplcom_products[i].vendor != 0; i++) { 175 if (uplcom_products[i].vendor == uaa->vendor && 176 uplcom_products[i].product == uaa->product) { 177 return (UMATCH_VENDOR_PRODUCT); 178 } 179 } 180 return (UMATCH_NONE); 181 } 182 183 USB_ATTACH(uplcom) 184 { 185 USB_ATTACH_START(uplcom, sc, uaa); 186 usbd_device_handle dev = uaa->device; 187 usb_config_descriptor_t *cdesc; 188 usb_interface_descriptor_t *id; 189 usb_endpoint_descriptor_t *ed; 190 191 char devinfo[1024]; 192 char *devname = USBDEVNAME(sc->sc_dev); 193 usbd_status err; 194 int i; 195 struct ucom_attach_args uca; 196 197 usbd_devinfo(dev, 0, devinfo); 198 USB_ATTACH_SETUP; 199 printf("%s: %s\n", devname, devinfo); 200 201 sc->sc_udev = dev; 202 203 DPRINTF(("\n\nuplcom attach: sc=%p\n", sc)); 204 205 /* initialize endpoints */ 206 uca.bulkin = uca.bulkout = -1; 207 sc->sc_intr_number = -1; 208 sc->sc_intr_pipe = NULL; 209 210 /* Move the device into the configured state. */ 211 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); 212 if (err) { 213 printf("\n%s: failed to set configuration, err=%s\n", 214 devname, usbd_errstr(err)); 215 sc->sc_dying = 1; 216 USB_ATTACH_ERROR_RETURN; 217 } 218 219 /* get the config descriptor */ 220 cdesc = usbd_get_config_descriptor(sc->sc_udev); 221 222 if (cdesc == NULL) { 223 printf("%s: failed to get configuration descriptor\n", 224 USBDEVNAME(sc->sc_dev)); 225 sc->sc_dying = 1; 226 USB_ATTACH_ERROR_RETURN; 227 } 228 229 /* get the (first/common) interface */ 230 err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX, 231 &sc->sc_iface); 232 if (err) { 233 printf("\n%s: failed to get interface, err=%s\n", 234 devname, usbd_errstr(err)); 235 sc->sc_dying = 1; 236 USB_ATTACH_ERROR_RETURN; 237 } 238 239 /* Find the interrupt endpoints */ 240 241 id = usbd_get_interface_descriptor(sc->sc_iface); 242 sc->sc_iface_number = id->bInterfaceNumber; 243 244 for (i = 0; i < id->bNumEndpoints; i++) { 245 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 246 if (ed == NULL) { 247 printf("%s: no endpoint descriptor for %d\n", 248 USBDEVNAME(sc->sc_dev), i); 249 sc->sc_dying = 1; 250 USB_ATTACH_ERROR_RETURN; 251 } 252 253 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 254 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 255 sc->sc_intr_number = ed->bEndpointAddress; 256 sc->sc_isize = UGETW(ed->wMaxPacketSize); 257 } 258 } 259 260 if (sc->sc_intr_number== -1) { 261 printf("%s: Could not find interrupt in\n", 262 USBDEVNAME(sc->sc_dev)); 263 sc->sc_dying = 1; 264 USB_ATTACH_ERROR_RETURN; 265 } 266 267 /* 268 * USB-RSAQ1 has two interface 269 * 270 * USB-RSAQ1 | USB-RSAQ2 271 * -----------------+----------------- 272 * Interface 0 |Interface 0 273 * Interrupt(0x81) | Interrupt(0x81) 274 * -----------------+ BulkIN(0x02) 275 * Interface 1 | BulkOUT(0x83) 276 * BulkIN(0x02) | 277 * BulkOUT(0x83) | 278 */ 279 if (cdesc->bNumInterface == 2) { 280 err = usbd_device2interface_handle(dev, 281 UPLCOM_SECOND_IFACE_INDEX, &sc->sc_iface); 282 if (err) { 283 printf("\n%s: failed to get second interface, err=%s\n", 284 devname, usbd_errstr(err)); 285 sc->sc_dying = 1; 286 USB_ATTACH_ERROR_RETURN; 287 } 288 } 289 290 /* Find the bulk{in,out} endpoints */ 291 292 id = usbd_get_interface_descriptor(sc->sc_iface); 293 sc->sc_iface_number = id->bInterfaceNumber; 294 295 for (i = 0; i < id->bNumEndpoints; i++) { 296 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 297 if (ed == NULL) { 298 printf("%s: no endpoint descriptor for %d\n", 299 USBDEVNAME(sc->sc_dev), i); 300 sc->sc_dying = 1; 301 USB_ATTACH_ERROR_RETURN; 302 } 303 304 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 305 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 306 uca.bulkin = ed->bEndpointAddress; 307 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 308 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 309 uca.bulkout = ed->bEndpointAddress; 310 } 311 } 312 313 if (uca.bulkin == -1) { 314 printf("%s: Could not find data bulk in\n", 315 USBDEVNAME(sc->sc_dev)); 316 sc->sc_dying = 1; 317 USB_ATTACH_ERROR_RETURN; 318 } 319 320 if (uca.bulkout == -1) { 321 printf("%s: Could not find data bulk out\n", 322 USBDEVNAME(sc->sc_dev)); 323 sc->sc_dying = 1; 324 USB_ATTACH_ERROR_RETURN; 325 } 326 327 sc->sc_dtr = sc->sc_rts = -1; 328 uca.portno = UCOM_UNK_PORTNO; 329 /* bulkin, bulkout set above */ 330 uca.ibufsize = UPLCOMIBUFSIZE; 331 uca.obufsize = UPLCOMOBUFSIZE; 332 uca.ibufsizepad = UPLCOMIBUFSIZE; 333 uca.opkthdrlen = 0; 334 uca.device = dev; 335 uca.iface = sc->sc_iface; 336 uca.methods = &uplcom_methods; 337 uca.arg = sc; 338 uca.info = NULL; 339 340 err = uplcom_reset(sc); 341 342 if (err) { 343 printf("%s: reset failed, %s\n", USBDEVNAME(sc->sc_dev), 344 usbd_errstr(err)); 345 sc->sc_dying = 1; 346 USB_ATTACH_ERROR_RETURN; 347 } 348 349 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 350 USBDEV(sc->sc_dev)); 351 352 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 353 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 354 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); 355 356 USB_ATTACH_SUCCESS_RETURN; 357 } 358 359 USB_DETACH(uplcom) 360 { 361 USB_DETACH_START(uplcom, sc); 362 int rv = 0; 363 364 DPRINTF(("uplcom_detach: sc=%p flags=%d\n", sc, flags)); 365 366 if (sc->sc_intr_pipe != NULL) { 367 usbd_abort_pipe(sc->sc_intr_pipe); 368 usbd_close_pipe(sc->sc_intr_pipe); 369 free(sc->sc_intr_buf, M_USBDEV); 370 sc->sc_intr_pipe = NULL; 371 } 372 373 sc->sc_dying = 1; 374 if (sc->sc_subdev != NULL) { 375 rv = config_detach(sc->sc_subdev, flags); 376 sc->sc_subdev = NULL; 377 } 378 379 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 380 USBDEV(sc->sc_dev)); 381 382 return (rv); 383 } 384 385 int 386 uplcom_activate(device_ptr_t self, enum devact act) 387 { 388 struct uplcom_softc *sc = (struct uplcom_softc *)self; 389 int rv = 0; 390 391 switch (act) { 392 case DVACT_ACTIVATE: 393 return (EOPNOTSUPP); 394 break; 395 396 case DVACT_DEACTIVATE: 397 if (sc->sc_subdev != NULL) 398 rv = config_deactivate(sc->sc_subdev); 399 sc->sc_dying = 1; 400 break; 401 } 402 return (rv); 403 } 404 405 usbd_status 406 uplcom_reset(struct uplcom_softc *sc) 407 { 408 usb_device_request_t req; 409 usbd_status err; 410 411 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 412 req.bRequest = UPLCOM_SET_REQUEST; 413 USETW(req.wValue, 0); 414 USETW(req.wIndex, sc->sc_iface_number); 415 USETW(req.wLength, 0); 416 417 err = usbd_do_request(sc->sc_udev, &req, 0); 418 if (err) 419 return (EIO); 420 421 return (0); 422 } 423 424 void 425 uplcom_set_line_state(struct uplcom_softc *sc) 426 { 427 usb_device_request_t req; 428 int ls; 429 430 ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) | 431 (sc->sc_rts ? UCDC_LINE_RTS : 0); 432 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 433 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 434 USETW(req.wValue, ls); 435 USETW(req.wIndex, sc->sc_iface_number); 436 USETW(req.wLength, 0); 437 438 (void)usbd_do_request(sc->sc_udev, &req, 0); 439 440 } 441 442 void 443 uplcom_set(void *addr, int portno, int reg, int onoff) 444 { 445 struct uplcom_softc *sc = addr; 446 447 switch (reg) { 448 case UCOM_SET_DTR: 449 uplcom_dtr(sc, onoff); 450 break; 451 case UCOM_SET_RTS: 452 uplcom_rts(sc, onoff); 453 break; 454 case UCOM_SET_BREAK: 455 uplcom_break(sc, onoff); 456 break; 457 default: 458 break; 459 } 460 } 461 462 void 463 uplcom_dtr(struct uplcom_softc *sc, int onoff) 464 { 465 466 DPRINTF(("uplcom_dtr: onoff=%d\n", onoff)); 467 468 if (sc->sc_dtr == onoff) 469 return; 470 sc->sc_dtr = onoff; 471 472 uplcom_set_line_state(sc); 473 } 474 475 void 476 uplcom_rts(struct uplcom_softc *sc, int onoff) 477 { 478 DPRINTF(("uplcom_rts: onoff=%d\n", onoff)); 479 480 if (sc->sc_rts == onoff) 481 return; 482 sc->sc_rts = onoff; 483 484 uplcom_set_line_state(sc); 485 } 486 487 void 488 uplcom_break(struct uplcom_softc *sc, int onoff) 489 { 490 usb_device_request_t req; 491 492 DPRINTF(("uplcom_break: onoff=%d\n", onoff)); 493 494 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 495 req.bRequest = UCDC_SEND_BREAK; 496 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 497 USETW(req.wIndex, sc->sc_iface_number); 498 USETW(req.wLength, 0); 499 500 (void)usbd_do_request(sc->sc_udev, &req, 0); 501 } 502 503 usbd_status 504 uplcom_set_crtscts(struct uplcom_softc *sc) 505 { 506 usb_device_request_t req; 507 usbd_status err; 508 509 DPRINTF(("uplcom_set_crtscts: on\n")); 510 511 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 512 req.bRequest = UPLCOM_SET_REQUEST; 513 USETW(req.wValue, 0); 514 USETW(req.wIndex, UPLCOM_SET_CRTSCTS); 515 USETW(req.wLength, 0); 516 517 err = usbd_do_request(sc->sc_udev, &req, 0); 518 if (err) { 519 DPRINTF(("uplcom_set_crtscts: failed, err=%s\n", 520 usbd_errstr(err))); 521 return (err); 522 } 523 524 return (USBD_NORMAL_COMPLETION); 525 } 526 527 usbd_status 528 uplcom_set_line_coding(struct uplcom_softc *sc, usb_cdc_line_state_t *state) 529 { 530 usb_device_request_t req; 531 usbd_status err; 532 533 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n", 534 UGETDW(state->dwDTERate), state->bCharFormat, 535 state->bParityType, state->bDataBits)); 536 537 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { 538 DPRINTF(("uplcom_set_line_coding: already set\n")); 539 return (USBD_NORMAL_COMPLETION); 540 } 541 542 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 543 req.bRequest = UCDC_SET_LINE_CODING; 544 USETW(req.wValue, 0); 545 USETW(req.wIndex, sc->sc_iface_number); 546 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 547 548 err = usbd_do_request(sc->sc_udev, &req, state); 549 if (err) { 550 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n", 551 usbd_errstr(err))); 552 return (err); 553 } 554 555 sc->sc_line_state = *state; 556 557 return (USBD_NORMAL_COMPLETION); 558 } 559 560 int 561 uplcom_param(void *addr, int portno, struct termios *t) 562 { 563 struct uplcom_softc *sc = addr; 564 usbd_status err; 565 usb_cdc_line_state_t ls; 566 567 DPRINTF(("uplcom_param: sc=%p\n", sc)); 568 569 USETDW(ls.dwDTERate, t->c_ospeed); 570 if (ISSET(t->c_cflag, CSTOPB)) 571 ls.bCharFormat = UCDC_STOP_BIT_2; 572 else 573 ls.bCharFormat = UCDC_STOP_BIT_1; 574 if (ISSET(t->c_cflag, PARENB)) { 575 if (ISSET(t->c_cflag, PARODD)) 576 ls.bParityType = UCDC_PARITY_ODD; 577 else 578 ls.bParityType = UCDC_PARITY_EVEN; 579 } else 580 ls.bParityType = UCDC_PARITY_NONE; 581 switch (ISSET(t->c_cflag, CSIZE)) { 582 case CS5: 583 ls.bDataBits = 5; 584 break; 585 case CS6: 586 ls.bDataBits = 6; 587 break; 588 case CS7: 589 ls.bDataBits = 7; 590 break; 591 case CS8: 592 ls.bDataBits = 8; 593 break; 594 } 595 596 err = uplcom_set_line_coding(sc, &ls); 597 if (err) { 598 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 599 return (EIO); 600 } 601 602 if (ISSET(t->c_cflag, CRTSCTS)) 603 uplcom_set_crtscts(sc); 604 605 if (err) { 606 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 607 return (EIO); 608 } 609 610 return (0); 611 } 612 613 int 614 uplcom_open(void *addr, int portno) 615 { 616 struct uplcom_softc *sc = addr; 617 int err; 618 619 if (sc->sc_dying) 620 return (EIO); 621 622 DPRINTF(("uplcom_open: sc=%p\n", sc)); 623 624 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 625 sc->sc_status = 0; /* clear status bit */ 626 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 627 err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_intr_number, 628 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, 629 sc->sc_intr_buf, sc->sc_isize, 630 uplcom_intr, USBD_DEFAULT_INTERVAL); 631 if (err) { 632 DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n", 633 USBDEVNAME(sc->sc_dev), sc->sc_intr_number)); 634 return (EIO); 635 } 636 } 637 638 return (0); 639 } 640 641 void 642 uplcom_close(void *addr, int portno) 643 { 644 struct uplcom_softc *sc = addr; 645 int err; 646 647 if (sc->sc_dying) 648 return; 649 650 DPRINTF(("uplcom_close: close\n")); 651 652 if (sc->sc_intr_pipe != NULL) { 653 err = usbd_abort_pipe(sc->sc_intr_pipe); 654 if (err) 655 printf("%s: abort interrupt pipe failed: %s\n", 656 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 657 err = usbd_close_pipe(sc->sc_intr_pipe); 658 if (err) 659 printf("%s: close interrupt pipe failed: %s\n", 660 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 661 free(sc->sc_intr_buf, M_USBDEV); 662 sc->sc_intr_pipe = NULL; 663 } 664 } 665 666 void 667 uplcom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 668 { 669 struct uplcom_softc *sc = priv; 670 u_char *buf = sc->sc_intr_buf; 671 u_char pstatus; 672 673 if (sc->sc_dying) 674 return; 675 676 if (status != USBD_NORMAL_COMPLETION) { 677 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 678 return; 679 680 DPRINTF(("%s: abnormal status: %s\n", USBDEVNAME(sc->sc_dev), 681 usbd_errstr(status))); 682 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 683 return; 684 } 685 686 DPRINTF(("%s: uplcom status = %02x\n", USBDEVNAME(sc->sc_dev), buf[8])); 687 688 sc->sc_lsr = sc->sc_msr = 0; 689 pstatus = buf[8]; 690 if (ISSET(pstatus, RSAQ_STATUS_DSR)) 691 sc->sc_msr |= UMSR_DSR; 692 if (ISSET(pstatus, RSAQ_STATUS_DCD)) 693 sc->sc_msr |= UMSR_DCD; 694 ucom_status_change((struct ucom_softc *) sc->sc_subdev); 695 } 696 697 void 698 uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 699 { 700 struct uplcom_softc *sc = addr; 701 702 DPRINTF(("uplcom_get_status:\n")); 703 704 if (lsr != NULL) 705 *lsr = sc->sc_lsr; 706 if (msr != NULL) 707 *msr = sc->sc_msr; 708 } 709 710 #if TODO 711 int 712 uplcom_ioctl(void *addr, int portno, u_long cmd, caddr_t data, int flag, 713 struct proc *p) 714 { 715 struct uplcom_softc *sc = addr; 716 int error = 0; 717 718 if (sc->sc_dying) 719 return (EIO); 720 721 DPRINTF(("uplcom_ioctl: cmd=0x%08lx\n", cmd)); 722 723 switch (cmd) { 724 case TIOCNOTTY: 725 case TIOCMGET: 726 case TIOCMSET: 727 case USB_GET_CM_OVER_DATA: 728 case USB_SET_CM_OVER_DATA: 729 break; 730 731 default: 732 DPRINTF(("uplcom_ioctl: unknown\n")); 733 error = ENOTTY; 734 break; 735 } 736 737 return (error); 738 } 739 #endif 740
Indexes created Fri Sep 26 20:09:58 GMT 2025