uplcom.c revision 1.20
1 /* $NetBSD: uplcom.c,v 1.20 2001/07/31 12:33:11 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 usbd_interface_handle sc_intr_iface; /* interrupt interface */ 95 int sc_intr_number; /* interrupt number */ 96 usbd_pipe_handle sc_intr_pipe; /* interrupt pipe */ 97 u_char *sc_intr_buf; /* interrupt buffer */ 98 int sc_isize; 99 100 usb_cdc_line_state_t sc_line_state; /* current line state */ 101 u_char sc_dtr; /* current DTR state */ 102 u_char sc_rts; /* current RTS state */ 103 u_char sc_status; 104 105 device_ptr_t sc_subdev; /* ucom device */ 106 107 u_char sc_dying; /* disconnecting */ 108 109 u_char sc_lsr; /* Local status register */ 110 u_char sc_msr; /* uplcom status register */ 111 }; 112 113 /* 114 * These are the maximum number of bytes transferred per frame. 115 * The output buffer size cannot be increased due to the size encoding. 116 */ 117 #define UPLCOMIBUFSIZE 256 118 #define UPLCOMOBUFSIZE 256 119 120 Static usbd_status uplcom_reset(struct uplcom_softc *); 121 Static usbd_status uplcom_set_line_coding(struct uplcom_softc *sc, 122 usb_cdc_line_state_t *state); 123 Static usbd_status uplcom_set_crtscts(struct uplcom_softc *); 124 Static void uplcom_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 125 126 Static void uplcom_set(void *, int, int, int); 127 Static void uplcom_dtr(struct uplcom_softc *, int); 128 Static void uplcom_rts(struct uplcom_softc *, int); 129 Static void uplcom_break(struct uplcom_softc *, int); 130 Static void uplcom_set_line_state(struct uplcom_softc *); 131 Static void uplcom_get_status(void *, int portno, u_char *lsr, u_char *msr); 132 #if TODO 133 Static int uplcom_ioctl(void *, int, u_long, caddr_t, int, struct proc *); 134 #endif 135 Static int uplcom_param(void *, int, struct termios *); 136 Static int uplcom_open(void *, int); 137 Static void uplcom_close(void *, int); 138 139 struct ucom_methods uplcom_methods = { 140 uplcom_get_status, 141 uplcom_set, 142 uplcom_param, 143 NULL, /* uplcom_ioctl, TODO */ 144 uplcom_open, 145 uplcom_close, 146 NULL, 147 NULL, 148 }; 149 150 static const struct uplcom_product { 151 uint16_t vendor; 152 uint16_t product; 153 } uplcom_products [] = { 154 /* I/O DATA USB-RSAQ2 */ 155 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ2 }, 156 /* I/O DATA USB-RSAQ */ 157 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ }, 158 /* PLANEX USB-RS232 URS-03 */ 159 { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC232A }, 160 /* IOGEAR/ATEN UC-232A */ 161 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303 }, 162 { 0, 0 } 163 }; 164 165 USB_DECLARE_DRIVER(uplcom); 166 167 USB_MATCH(uplcom) 168 { 169 USB_MATCH_START(uplcom, uaa); 170 int i; 171 172 if (uaa->iface != NULL) 173 return (UMATCH_NONE); 174 175 for (i = 0; uplcom_products[i].vendor != 0; i++) { 176 if (uplcom_products[i].vendor == uaa->vendor && 177 uplcom_products[i].product == uaa->product) { 178 return (UMATCH_VENDOR_PRODUCT); 179 } 180 } 181 return (UMATCH_NONE); 182 } 183 184 USB_ATTACH(uplcom) 185 { 186 USB_ATTACH_START(uplcom, sc, uaa); 187 usbd_device_handle dev = uaa->device; 188 usb_config_descriptor_t *cdesc; 189 usb_interface_descriptor_t *id; 190 usb_endpoint_descriptor_t *ed; 191 192 char devinfo[1024]; 193 char *devname = USBDEVNAME(sc->sc_dev); 194 usbd_status err; 195 int i; 196 struct ucom_attach_args uca; 197 198 usbd_devinfo(dev, 0, devinfo); 199 USB_ATTACH_SETUP; 200 printf("%s: %s\n", devname, devinfo); 201 202 sc->sc_udev = dev; 203 204 DPRINTF(("\n\nuplcom attach: sc=%p\n", sc)); 205 206 /* initialize endpoints */ 207 uca.bulkin = uca.bulkout = -1; 208 sc->sc_intr_number = -1; 209 sc->sc_intr_pipe = NULL; 210 211 /* Move the device into the configured state. */ 212 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); 213 if (err) { 214 printf("\n%s: failed to set configuration, err=%s\n", 215 devname, usbd_errstr(err)); 216 sc->sc_dying = 1; 217 USB_ATTACH_ERROR_RETURN; 218 } 219 220 /* get the config descriptor */ 221 cdesc = usbd_get_config_descriptor(sc->sc_udev); 222 223 if (cdesc == NULL) { 224 printf("%s: failed to get configuration descriptor\n", 225 USBDEVNAME(sc->sc_dev)); 226 sc->sc_dying = 1; 227 USB_ATTACH_ERROR_RETURN; 228 } 229 230 /* get the (first/common) interface */ 231 err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX, 232 &sc->sc_iface); 233 if (err) { 234 printf("\n%s: failed to get interface, err=%s\n", 235 devname, usbd_errstr(err)); 236 sc->sc_dying = 1; 237 USB_ATTACH_ERROR_RETURN; 238 } 239 240 /* Find the interrupt endpoints */ 241 242 id = usbd_get_interface_descriptor(sc->sc_iface); 243 sc->sc_iface_number = id->bInterfaceNumber; 244 245 for (i = 0; i < id->bNumEndpoints; i++) { 246 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 247 if (ed == NULL) { 248 printf("%s: no endpoint descriptor for %d\n", 249 USBDEVNAME(sc->sc_dev), i); 250 sc->sc_dying = 1; 251 USB_ATTACH_ERROR_RETURN; 252 } 253 254 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 255 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 256 sc->sc_intr_number = ed->bEndpointAddress; 257 sc->sc_isize = UGETW(ed->wMaxPacketSize); 258 } 259 } 260 261 if (sc->sc_intr_number== -1) { 262 printf("%s: Could not find interrupt in\n", 263 USBDEVNAME(sc->sc_dev)); 264 sc->sc_dying = 1; 265 USB_ATTACH_ERROR_RETURN; 266 } 267 268 /* keep interface for interrupt */ 269 sc->sc_intr_iface = sc->sc_iface; 270 271 /* 272 * USB-RSAQ1 has two interface 273 * 274 * USB-RSAQ1 | USB-RSAQ2 275 * -----------------+----------------- 276 * Interface 0 |Interface 0 277 * Interrupt(0x81) | Interrupt(0x81) 278 * -----------------+ BulkIN(0x02) 279 * Interface 1 | BulkOUT(0x83) 280 * BulkIN(0x02) | 281 * BulkOUT(0x83) | 282 */ 283 if (cdesc->bNumInterface == 2) { 284 err = usbd_device2interface_handle(dev, 285 UPLCOM_SECOND_IFACE_INDEX, &sc->sc_iface); 286 if (err) { 287 printf("\n%s: failed to get second interface, err=%s\n", 288 devname, usbd_errstr(err)); 289 sc->sc_dying = 1; 290 USB_ATTACH_ERROR_RETURN; 291 } 292 } 293 294 /* Find the bulk{in,out} endpoints */ 295 296 id = usbd_get_interface_descriptor(sc->sc_iface); 297 sc->sc_iface_number = id->bInterfaceNumber; 298 299 for (i = 0; i < id->bNumEndpoints; i++) { 300 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 301 if (ed == NULL) { 302 printf("%s: no endpoint descriptor for %d\n", 303 USBDEVNAME(sc->sc_dev), i); 304 sc->sc_dying = 1; 305 USB_ATTACH_ERROR_RETURN; 306 } 307 308 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 309 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 310 uca.bulkin = ed->bEndpointAddress; 311 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 312 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 313 uca.bulkout = ed->bEndpointAddress; 314 } 315 } 316 317 if (uca.bulkin == -1) { 318 printf("%s: Could not find data bulk in\n", 319 USBDEVNAME(sc->sc_dev)); 320 sc->sc_dying = 1; 321 USB_ATTACH_ERROR_RETURN; 322 } 323 324 if (uca.bulkout == -1) { 325 printf("%s: Could not find data bulk out\n", 326 USBDEVNAME(sc->sc_dev)); 327 sc->sc_dying = 1; 328 USB_ATTACH_ERROR_RETURN; 329 } 330 331 sc->sc_dtr = sc->sc_rts = -1; 332 uca.portno = UCOM_UNK_PORTNO; 333 /* bulkin, bulkout set above */ 334 uca.ibufsize = UPLCOMIBUFSIZE; 335 uca.obufsize = UPLCOMOBUFSIZE; 336 uca.ibufsizepad = UPLCOMIBUFSIZE; 337 uca.opkthdrlen = 0; 338 uca.device = dev; 339 uca.iface = sc->sc_iface; 340 uca.methods = &uplcom_methods; 341 uca.arg = sc; 342 uca.info = NULL; 343 344 err = uplcom_reset(sc); 345 346 if (err) { 347 printf("%s: reset failed, %s\n", USBDEVNAME(sc->sc_dev), 348 usbd_errstr(err)); 349 sc->sc_dying = 1; 350 USB_ATTACH_ERROR_RETURN; 351 } 352 353 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 354 USBDEV(sc->sc_dev)); 355 356 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 357 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 358 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); 359 360 USB_ATTACH_SUCCESS_RETURN; 361 } 362 363 USB_DETACH(uplcom) 364 { 365 USB_DETACH_START(uplcom, sc); 366 int rv = 0; 367 368 DPRINTF(("uplcom_detach: sc=%p flags=%d\n", sc, flags)); 369 370 if (sc->sc_intr_pipe != NULL) { 371 usbd_abort_pipe(sc->sc_intr_pipe); 372 usbd_close_pipe(sc->sc_intr_pipe); 373 free(sc->sc_intr_buf, M_USBDEV); 374 sc->sc_intr_pipe = NULL; 375 } 376 377 sc->sc_dying = 1; 378 if (sc->sc_subdev != NULL) { 379 rv = config_detach(sc->sc_subdev, flags); 380 sc->sc_subdev = NULL; 381 } 382 383 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 384 USBDEV(sc->sc_dev)); 385 386 return (rv); 387 } 388 389 int 390 uplcom_activate(device_ptr_t self, enum devact act) 391 { 392 struct uplcom_softc *sc = (struct uplcom_softc *)self; 393 int rv = 0; 394 395 switch (act) { 396 case DVACT_ACTIVATE: 397 return (EOPNOTSUPP); 398 break; 399 400 case DVACT_DEACTIVATE: 401 if (sc->sc_subdev != NULL) 402 rv = config_deactivate(sc->sc_subdev); 403 sc->sc_dying = 1; 404 break; 405 } 406 return (rv); 407 } 408 409 usbd_status 410 uplcom_reset(struct uplcom_softc *sc) 411 { 412 usb_device_request_t req; 413 usbd_status err; 414 415 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 416 req.bRequest = UPLCOM_SET_REQUEST; 417 USETW(req.wValue, 0); 418 USETW(req.wIndex, sc->sc_iface_number); 419 USETW(req.wLength, 0); 420 421 err = usbd_do_request(sc->sc_udev, &req, 0); 422 if (err) 423 return (EIO); 424 425 return (0); 426 } 427 428 void 429 uplcom_set_line_state(struct uplcom_softc *sc) 430 { 431 usb_device_request_t req; 432 int ls; 433 434 ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) | 435 (sc->sc_rts ? UCDC_LINE_RTS : 0); 436 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 437 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 438 USETW(req.wValue, ls); 439 USETW(req.wIndex, sc->sc_iface_number); 440 USETW(req.wLength, 0); 441 442 (void)usbd_do_request(sc->sc_udev, &req, 0); 443 444 } 445 446 void 447 uplcom_set(void *addr, int portno, int reg, int onoff) 448 { 449 struct uplcom_softc *sc = addr; 450 451 switch (reg) { 452 case UCOM_SET_DTR: 453 uplcom_dtr(sc, onoff); 454 break; 455 case UCOM_SET_RTS: 456 uplcom_rts(sc, onoff); 457 break; 458 case UCOM_SET_BREAK: 459 uplcom_break(sc, onoff); 460 break; 461 default: 462 break; 463 } 464 } 465 466 void 467 uplcom_dtr(struct uplcom_softc *sc, int onoff) 468 { 469 470 DPRINTF(("uplcom_dtr: onoff=%d\n", onoff)); 471 472 if (sc->sc_dtr == onoff) 473 return; 474 sc->sc_dtr = onoff; 475 476 uplcom_set_line_state(sc); 477 } 478 479 void 480 uplcom_rts(struct uplcom_softc *sc, int onoff) 481 { 482 DPRINTF(("uplcom_rts: onoff=%d\n", onoff)); 483 484 if (sc->sc_rts == onoff) 485 return; 486 sc->sc_rts = onoff; 487 488 uplcom_set_line_state(sc); 489 } 490 491 void 492 uplcom_break(struct uplcom_softc *sc, int onoff) 493 { 494 usb_device_request_t req; 495 496 DPRINTF(("uplcom_break: onoff=%d\n", onoff)); 497 498 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 499 req.bRequest = UCDC_SEND_BREAK; 500 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 501 USETW(req.wIndex, sc->sc_iface_number); 502 USETW(req.wLength, 0); 503 504 (void)usbd_do_request(sc->sc_udev, &req, 0); 505 } 506 507 usbd_status 508 uplcom_set_crtscts(struct uplcom_softc *sc) 509 { 510 usb_device_request_t req; 511 usbd_status err; 512 513 DPRINTF(("uplcom_set_crtscts: on\n")); 514 515 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 516 req.bRequest = UPLCOM_SET_REQUEST; 517 USETW(req.wValue, 0); 518 USETW(req.wIndex, UPLCOM_SET_CRTSCTS); 519 USETW(req.wLength, 0); 520 521 err = usbd_do_request(sc->sc_udev, &req, 0); 522 if (err) { 523 DPRINTF(("uplcom_set_crtscts: failed, err=%s\n", 524 usbd_errstr(err))); 525 return (err); 526 } 527 528 return (USBD_NORMAL_COMPLETION); 529 } 530 531 usbd_status 532 uplcom_set_line_coding(struct uplcom_softc *sc, usb_cdc_line_state_t *state) 533 { 534 usb_device_request_t req; 535 usbd_status err; 536 537 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n", 538 UGETDW(state->dwDTERate), state->bCharFormat, 539 state->bParityType, state->bDataBits)); 540 541 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { 542 DPRINTF(("uplcom_set_line_coding: already set\n")); 543 return (USBD_NORMAL_COMPLETION); 544 } 545 546 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 547 req.bRequest = UCDC_SET_LINE_CODING; 548 USETW(req.wValue, 0); 549 USETW(req.wIndex, sc->sc_iface_number); 550 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 551 552 err = usbd_do_request(sc->sc_udev, &req, state); 553 if (err) { 554 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n", 555 usbd_errstr(err))); 556 return (err); 557 } 558 559 sc->sc_line_state = *state; 560 561 return (USBD_NORMAL_COMPLETION); 562 } 563 564 int 565 uplcom_param(void *addr, int portno, struct termios *t) 566 { 567 struct uplcom_softc *sc = addr; 568 usbd_status err; 569 usb_cdc_line_state_t ls; 570 571 DPRINTF(("uplcom_param: sc=%p\n", sc)); 572 573 USETDW(ls.dwDTERate, t->c_ospeed); 574 if (ISSET(t->c_cflag, CSTOPB)) 575 ls.bCharFormat = UCDC_STOP_BIT_2; 576 else 577 ls.bCharFormat = UCDC_STOP_BIT_1; 578 if (ISSET(t->c_cflag, PARENB)) { 579 if (ISSET(t->c_cflag, PARODD)) 580 ls.bParityType = UCDC_PARITY_ODD; 581 else 582 ls.bParityType = UCDC_PARITY_EVEN; 583 } else 584 ls.bParityType = UCDC_PARITY_NONE; 585 switch (ISSET(t->c_cflag, CSIZE)) { 586 case CS5: 587 ls.bDataBits = 5; 588 break; 589 case CS6: 590 ls.bDataBits = 6; 591 break; 592 case CS7: 593 ls.bDataBits = 7; 594 break; 595 case CS8: 596 ls.bDataBits = 8; 597 break; 598 } 599 600 err = uplcom_set_line_coding(sc, &ls); 601 if (err) { 602 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 603 return (EIO); 604 } 605 606 if (ISSET(t->c_cflag, CRTSCTS)) 607 uplcom_set_crtscts(sc); 608 609 if (err) { 610 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 611 return (EIO); 612 } 613 614 return (0); 615 } 616 617 int 618 uplcom_open(void *addr, int portno) 619 { 620 struct uplcom_softc *sc = addr; 621 int err; 622 623 if (sc->sc_dying) 624 return (EIO); 625 626 DPRINTF(("uplcom_open: sc=%p\n", sc)); 627 628 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 629 sc->sc_status = 0; /* clear status bit */ 630 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 631 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, 632 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, 633 sc->sc_intr_buf, sc->sc_isize, 634 uplcom_intr, USBD_DEFAULT_INTERVAL); 635 if (err) { 636 DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n", 637 USBDEVNAME(sc->sc_dev), sc->sc_intr_number)); 638 return (EIO); 639 } 640 } 641 642 return (0); 643 } 644 645 void 646 uplcom_close(void *addr, int portno) 647 { 648 struct uplcom_softc *sc = addr; 649 int err; 650 651 if (sc->sc_dying) 652 return; 653 654 DPRINTF(("uplcom_close: close\n")); 655 656 if (sc->sc_intr_pipe != NULL) { 657 err = usbd_abort_pipe(sc->sc_intr_pipe); 658 if (err) 659 printf("%s: abort interrupt pipe failed: %s\n", 660 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 661 err = usbd_close_pipe(sc->sc_intr_pipe); 662 if (err) 663 printf("%s: close interrupt pipe failed: %s\n", 664 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 665 free(sc->sc_intr_buf, M_USBDEV); 666 sc->sc_intr_pipe = NULL; 667 } 668 } 669 670 void 671 uplcom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 672 { 673 struct uplcom_softc *sc = priv; 674 u_char *buf = sc->sc_intr_buf; 675 u_char pstatus; 676 677 if (sc->sc_dying) 678 return; 679 680 if (status != USBD_NORMAL_COMPLETION) { 681 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 682 return; 683 684 DPRINTF(("%s: abnormal status: %s\n", USBDEVNAME(sc->sc_dev), 685 usbd_errstr(status))); 686 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 687 return; 688 } 689 690 DPRINTF(("%s: uplcom status = %02x\n", USBDEVNAME(sc->sc_dev), buf[8])); 691 692 sc->sc_lsr = sc->sc_msr = 0; 693 pstatus = buf[8]; 694 if (ISSET(pstatus, RSAQ_STATUS_DSR)) 695 sc->sc_msr |= UMSR_DSR; 696 if (ISSET(pstatus, RSAQ_STATUS_DCD)) 697 sc->sc_msr |= UMSR_DCD; 698 ucom_status_change((struct ucom_softc *) sc->sc_subdev); 699 } 700 701 void 702 uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 703 { 704 struct uplcom_softc *sc = addr; 705 706 DPRINTF(("uplcom_get_status:\n")); 707 708 if (lsr != NULL) 709 *lsr = sc->sc_lsr; 710 if (msr != NULL) 711 *msr = sc->sc_msr; 712 } 713 714 #if TODO 715 int 716 uplcom_ioctl(void *addr, int portno, u_long cmd, caddr_t data, int flag, 717 struct proc *p) 718 { 719 struct uplcom_softc *sc = addr; 720 int error = 0; 721 722 if (sc->sc_dying) 723 return (EIO); 724 725 DPRINTF(("uplcom_ioctl: cmd=0x%08lx\n", cmd)); 726 727 switch (cmd) { 728 case TIOCNOTTY: 729 case TIOCMGET: 730 case TIOCMSET: 731 case USB_GET_CM_OVER_DATA: 732 case USB_SET_CM_OVER_DATA: 733 break; 734 735 default: 736 DPRINTF(("uplcom_ioctl: unknown\n")); 737 error = ENOTTY; 738 break; 739 } 740 741 return (error); 742 } 743 #endif 744
Indexes created Fri Sep 26 20:09:58 GMT 2025