1 /* $NetBSD: uplcom.c,v 1.33 2004/01/05 13:29:08 augustss 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@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 * General information: http://www.prolific.com.tw/fr_pl2303.htm 40 * http://www.hitachi-hitec.com/jyouhou/prolific/2303.pdf 41 */ 42 43 #include <sys/cdefs.h> 44 __KERNEL_RCSID(0, "$NetBSD: uplcom.c,v 1.33 2004/01/05 13:29:08 augustss Exp $"); 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/device.h> 57 #include <sys/poll.h> 58 59 #include <dev/usb/usb.h> 60 #include <dev/usb/usbcdc.h> 61 62 #include <dev/usb/usbdi.h> 63 #include <dev/usb/usbdi_util.h> 64 #include <dev/usb/usbdevs.h> 65 #include <dev/usb/usb_quirks.h> 66 67 #include <dev/usb/usbdevs.h> 68 #include <dev/usb/ucomvar.h> 69 70 #ifdef UPLCOM_DEBUG 71 #define DPRINTFN(n, x) if (uplcomdebug > (n)) logprintf x 72 int uplcomdebug = 0; 73 #else 74 #define DPRINTFN(n, x) 75 #endif 76 #define DPRINTF(x) DPRINTFN(0, x) 77 78 #define UPLCOM_CONFIG_INDEX 0 79 #define UPLCOM_IFACE_INDEX 0 80 #define UPLCOM_SECOND_IFACE_INDEX 1 81 82 #define UPLCOM_SET_REQUEST 0x01 83 #define UPLCOM_SET_CRTSCTS 0x41 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 usbd_interface_handle sc_intr_iface; /* interrupt interface */ 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, usb_proc_ptr ); 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 usb_devno uplcom_devs[] = { 150 /* I/O DATA USB-RSAQ2 */ 151 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ2 }, 152 /* I/O DATA USB-RSAQ */ 153 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ }, 154 /* PLANEX USB-RS232 URS-03 */ 155 { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC232A }, 156 /* IOGEAR/ATEN UC-232A */ 157 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303 }, 158 /* ELECOM UC-SGT */ 159 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT }, 160 /* RATOC REX-USB60 */ 161 { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60 }, 162 /* TDK USB-PHS Adapter UHA6400 */ 163 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UHA6400 }, 164 /* TDK USB-PDC Adapter UPA9664 */ 165 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UPA9664 }, 166 /* Sony Ericsson USB Cable */ 167 { USB_VENDOR_SONYERICSSON, USB_PRODUCT_SONYERICSSON_DCU10 }, 168 /* SOURCENEXT KeikaiDenwa 8 */ 169 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8 }, 170 /* SOURCENEXT KeikaiDenwa 8 with charger */ 171 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8_CHG }, 172 /* HAL Corporation Crossam2+USB */ 173 { USB_VENDOR_HAL, USB_PRODUCT_HAL_IMR001 }, 174 }; 175 #define uplcom_lookup(v, p) usb_lookup(uplcom_devs, v, p) 176 177 178 USB_DECLARE_DRIVER(uplcom); 179 180 USB_MATCH(uplcom) 181 { 182 USB_MATCH_START(uplcom, uaa); 183 184 if (uaa->iface != NULL) 185 return (UMATCH_NONE); 186 187 return (uplcom_lookup(uaa->vendor, uaa->product) != NULL ? 188 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 189 } 190 191 USB_ATTACH(uplcom) 192 { 193 USB_ATTACH_START(uplcom, sc, uaa); 194 usbd_device_handle dev = uaa->device; 195 usb_config_descriptor_t *cdesc; 196 usb_interface_descriptor_t *id; 197 usb_endpoint_descriptor_t *ed; 198 199 char devinfo[1024]; 200 char *devname = USBDEVNAME(sc->sc_dev); 201 usbd_status err; 202 int i; 203 struct ucom_attach_args uca; 204 205 usbd_devinfo(dev, 0, devinfo); 206 USB_ATTACH_SETUP; 207 printf("%s: %s\n", devname, devinfo); 208 209 sc->sc_udev = dev; 210 211 DPRINTF(("\n\nuplcom attach: sc=%p\n", sc)); 212 213 /* initialize endpoints */ 214 uca.bulkin = uca.bulkout = -1; 215 sc->sc_intr_number = -1; 216 sc->sc_intr_pipe = NULL; 217 218 /* Move the device into the configured state. */ 219 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); 220 if (err) { 221 printf("\n%s: failed to set configuration, err=%s\n", 222 devname, usbd_errstr(err)); 223 sc->sc_dying = 1; 224 USB_ATTACH_ERROR_RETURN; 225 } 226 227 /* get the config descriptor */ 228 cdesc = usbd_get_config_descriptor(sc->sc_udev); 229 230 if (cdesc == NULL) { 231 printf("%s: failed to get configuration descriptor\n", 232 USBDEVNAME(sc->sc_dev)); 233 sc->sc_dying = 1; 234 USB_ATTACH_ERROR_RETURN; 235 } 236 237 /* get the (first/common) interface */ 238 err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX, 239 &sc->sc_iface); 240 if (err) { 241 printf("\n%s: failed to get interface, err=%s\n", 242 devname, usbd_errstr(err)); 243 sc->sc_dying = 1; 244 USB_ATTACH_ERROR_RETURN; 245 } 246 247 /* Find the interrupt endpoints */ 248 249 id = usbd_get_interface_descriptor(sc->sc_iface); 250 sc->sc_iface_number = id->bInterfaceNumber; 251 252 for (i = 0; i < id->bNumEndpoints; i++) { 253 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 254 if (ed == NULL) { 255 printf("%s: no endpoint descriptor for %d\n", 256 USBDEVNAME(sc->sc_dev), i); 257 sc->sc_dying = 1; 258 USB_ATTACH_ERROR_RETURN; 259 } 260 261 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 262 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 263 sc->sc_intr_number = ed->bEndpointAddress; 264 sc->sc_isize = UGETW(ed->wMaxPacketSize); 265 } 266 } 267 268 if (sc->sc_intr_number== -1) { 269 printf("%s: Could not find interrupt in\n", 270 USBDEVNAME(sc->sc_dev)); 271 sc->sc_dying = 1; 272 USB_ATTACH_ERROR_RETURN; 273 } 274 275 /* keep interface for interrupt */ 276 sc->sc_intr_iface = sc->sc_iface; 277 278 /* 279 * USB-RSAQ1 has two interface 280 * 281 * USB-RSAQ1 | USB-RSAQ2 282 * -----------------+----------------- 283 * Interface 0 |Interface 0 284 * Interrupt(0x81) | Interrupt(0x81) 285 * -----------------+ BulkIN(0x02) 286 * Interface 1 | BulkOUT(0x83) 287 * BulkIN(0x02) | 288 * BulkOUT(0x83) | 289 */ 290 if (cdesc->bNumInterface == 2) { 291 err = usbd_device2interface_handle(dev, 292 UPLCOM_SECOND_IFACE_INDEX, &sc->sc_iface); 293 if (err) { 294 printf("\n%s: failed to get second interface, err=%s\n", 295 devname, usbd_errstr(err)); 296 sc->sc_dying = 1; 297 USB_ATTACH_ERROR_RETURN; 298 } 299 } 300 301 /* Find the bulk{in,out} endpoints */ 302 303 id = usbd_get_interface_descriptor(sc->sc_iface); 304 sc->sc_iface_number = id->bInterfaceNumber; 305 306 for (i = 0; i < id->bNumEndpoints; i++) { 307 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 308 if (ed == NULL) { 309 printf("%s: no endpoint descriptor for %d\n", 310 USBDEVNAME(sc->sc_dev), i); 311 sc->sc_dying = 1; 312 USB_ATTACH_ERROR_RETURN; 313 } 314 315 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 316 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 317 uca.bulkin = ed->bEndpointAddress; 318 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 319 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 320 uca.bulkout = ed->bEndpointAddress; 321 } 322 } 323 324 if (uca.bulkin == -1) { 325 printf("%s: Could not find data bulk in\n", 326 USBDEVNAME(sc->sc_dev)); 327 sc->sc_dying = 1; 328 USB_ATTACH_ERROR_RETURN; 329 } 330 331 if (uca.bulkout == -1) { 332 printf("%s: Could not find data bulk out\n", 333 USBDEVNAME(sc->sc_dev)); 334 sc->sc_dying = 1; 335 USB_ATTACH_ERROR_RETURN; 336 } 337 338 sc->sc_dtr = sc->sc_rts = -1; 339 uca.portno = UCOM_UNK_PORTNO; 340 /* bulkin, bulkout set above */ 341 uca.ibufsize = UPLCOMIBUFSIZE; 342 uca.obufsize = UPLCOMOBUFSIZE; 343 uca.ibufsizepad = UPLCOMIBUFSIZE; 344 uca.opkthdrlen = 0; 345 uca.device = dev; 346 uca.iface = sc->sc_iface; 347 uca.methods = &uplcom_methods; 348 uca.arg = sc; 349 uca.info = NULL; 350 351 err = uplcom_reset(sc); 352 353 if (err) { 354 printf("%s: reset failed, %s\n", USBDEVNAME(sc->sc_dev), 355 usbd_errstr(err)); 356 sc->sc_dying = 1; 357 USB_ATTACH_ERROR_RETURN; 358 } 359 360 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 361 USBDEV(sc->sc_dev)); 362 363 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 364 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 365 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); 366 367 USB_ATTACH_SUCCESS_RETURN; 368 } 369 370 USB_DETACH(uplcom) 371 { 372 USB_DETACH_START(uplcom, sc); 373 int rv = 0; 374 375 DPRINTF(("uplcom_detach: sc=%p flags=%d\n", sc, flags)); 376 377 if (sc->sc_intr_pipe != NULL) { 378 usbd_abort_pipe(sc->sc_intr_pipe); 379 usbd_close_pipe(sc->sc_intr_pipe); 380 free(sc->sc_intr_buf, M_USBDEV); 381 sc->sc_intr_pipe = NULL; 382 } 383 384 sc->sc_dying = 1; 385 if (sc->sc_subdev != NULL) { 386 rv = config_detach(sc->sc_subdev, flags); 387 sc->sc_subdev = NULL; 388 } 389 390 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 391 USBDEV(sc->sc_dev)); 392 393 return (rv); 394 } 395 396 int 397 uplcom_activate(device_ptr_t self, enum devact act) 398 { 399 struct uplcom_softc *sc = (struct uplcom_softc *)self; 400 int rv = 0; 401 402 switch (act) { 403 case DVACT_ACTIVATE: 404 return (EOPNOTSUPP); 405 406 case DVACT_DEACTIVATE: 407 if (sc->sc_subdev != NULL) 408 rv = config_deactivate(sc->sc_subdev); 409 sc->sc_dying = 1; 410 break; 411 } 412 return (rv); 413 } 414 415 usbd_status 416 uplcom_reset(struct uplcom_softc *sc) 417 { 418 usb_device_request_t req; 419 usbd_status err; 420 421 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 422 req.bRequest = UPLCOM_SET_REQUEST; 423 USETW(req.wValue, 0); 424 USETW(req.wIndex, sc->sc_iface_number); 425 USETW(req.wLength, 0); 426 427 err = usbd_do_request(sc->sc_udev, &req, 0); 428 if (err) 429 return (EIO); 430 431 return (0); 432 } 433 434 void 435 uplcom_set_line_state(struct uplcom_softc *sc) 436 { 437 usb_device_request_t req; 438 int ls; 439 440 ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) | 441 (sc->sc_rts ? UCDC_LINE_RTS : 0); 442 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 443 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 444 USETW(req.wValue, ls); 445 USETW(req.wIndex, sc->sc_iface_number); 446 USETW(req.wLength, 0); 447 448 (void)usbd_do_request(sc->sc_udev, &req, 0); 449 450 } 451 452 void 453 uplcom_set(void *addr, int portno, int reg, int onoff) 454 { 455 struct uplcom_softc *sc = addr; 456 457 switch (reg) { 458 case UCOM_SET_DTR: 459 uplcom_dtr(sc, onoff); 460 break; 461 case UCOM_SET_RTS: 462 uplcom_rts(sc, onoff); 463 break; 464 case UCOM_SET_BREAK: 465 uplcom_break(sc, onoff); 466 break; 467 default: 468 break; 469 } 470 } 471 472 void 473 uplcom_dtr(struct uplcom_softc *sc, int onoff) 474 { 475 476 DPRINTF(("uplcom_dtr: onoff=%d\n", onoff)); 477 478 if (sc->sc_dtr == onoff) 479 return; 480 sc->sc_dtr = onoff; 481 482 uplcom_set_line_state(sc); 483 } 484 485 void 486 uplcom_rts(struct uplcom_softc *sc, int onoff) 487 { 488 DPRINTF(("uplcom_rts: onoff=%d\n", onoff)); 489 490 if (sc->sc_rts == onoff) 491 return; 492 sc->sc_rts = onoff; 493 494 uplcom_set_line_state(sc); 495 } 496 497 void 498 uplcom_break(struct uplcom_softc *sc, int onoff) 499 { 500 usb_device_request_t req; 501 502 DPRINTF(("uplcom_break: onoff=%d\n", onoff)); 503 504 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 505 req.bRequest = UCDC_SEND_BREAK; 506 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 507 USETW(req.wIndex, sc->sc_iface_number); 508 USETW(req.wLength, 0); 509 510 (void)usbd_do_request(sc->sc_udev, &req, 0); 511 } 512 513 usbd_status 514 uplcom_set_crtscts(struct uplcom_softc *sc) 515 { 516 usb_device_request_t req; 517 usbd_status err; 518 519 DPRINTF(("uplcom_set_crtscts: on\n")); 520 521 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 522 req.bRequest = UPLCOM_SET_REQUEST; 523 USETW(req.wValue, 0); 524 USETW(req.wIndex, UPLCOM_SET_CRTSCTS); 525 USETW(req.wLength, 0); 526 527 err = usbd_do_request(sc->sc_udev, &req, 0); 528 if (err) { 529 DPRINTF(("uplcom_set_crtscts: failed, err=%s\n", 530 usbd_errstr(err))); 531 return (err); 532 } 533 534 return (USBD_NORMAL_COMPLETION); 535 } 536 537 usbd_status 538 uplcom_set_line_coding(struct uplcom_softc *sc, usb_cdc_line_state_t *state) 539 { 540 usb_device_request_t req; 541 usbd_status err; 542 543 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n", 544 UGETDW(state->dwDTERate), state->bCharFormat, 545 state->bParityType, state->bDataBits)); 546 547 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { 548 DPRINTF(("uplcom_set_line_coding: already set\n")); 549 return (USBD_NORMAL_COMPLETION); 550 } 551 552 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 553 req.bRequest = UCDC_SET_LINE_CODING; 554 USETW(req.wValue, 0); 555 USETW(req.wIndex, sc->sc_iface_number); 556 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 557 558 err = usbd_do_request(sc->sc_udev, &req, state); 559 if (err) { 560 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n", 561 usbd_errstr(err))); 562 return (err); 563 } 564 565 sc->sc_line_state = *state; 566 567 return (USBD_NORMAL_COMPLETION); 568 } 569 570 int 571 uplcom_param(void *addr, int portno, struct termios *t) 572 { 573 struct uplcom_softc *sc = addr; 574 usbd_status err; 575 usb_cdc_line_state_t ls; 576 577 DPRINTF(("uplcom_param: sc=%p\n", sc)); 578 579 USETDW(ls.dwDTERate, t->c_ospeed); 580 if (ISSET(t->c_cflag, CSTOPB)) 581 ls.bCharFormat = UCDC_STOP_BIT_2; 582 else 583 ls.bCharFormat = UCDC_STOP_BIT_1; 584 if (ISSET(t->c_cflag, PARENB)) { 585 if (ISSET(t->c_cflag, PARODD)) 586 ls.bParityType = UCDC_PARITY_ODD; 587 else 588 ls.bParityType = UCDC_PARITY_EVEN; 589 } else 590 ls.bParityType = UCDC_PARITY_NONE; 591 switch (ISSET(t->c_cflag, CSIZE)) { 592 case CS5: 593 ls.bDataBits = 5; 594 break; 595 case CS6: 596 ls.bDataBits = 6; 597 break; 598 case CS7: 599 ls.bDataBits = 7; 600 break; 601 case CS8: 602 ls.bDataBits = 8; 603 break; 604 } 605 606 err = uplcom_set_line_coding(sc, &ls); 607 if (err) { 608 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 609 return (EIO); 610 } 611 612 if (ISSET(t->c_cflag, CRTSCTS)) 613 uplcom_set_crtscts(sc); 614 615 if (err) { 616 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 617 return (EIO); 618 } 619 620 return (0); 621 } 622 623 int 624 uplcom_open(void *addr, int portno) 625 { 626 struct uplcom_softc *sc = addr; 627 int err; 628 629 if (sc->sc_dying) 630 return (EIO); 631 632 DPRINTF(("uplcom_open: sc=%p\n", sc)); 633 634 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 635 sc->sc_status = 0; /* clear status bit */ 636 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 637 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, 638 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, 639 sc->sc_intr_buf, sc->sc_isize, 640 uplcom_intr, USBD_DEFAULT_INTERVAL); 641 if (err) { 642 DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n", 643 USBDEVNAME(sc->sc_dev), sc->sc_intr_number)); 644 return (EIO); 645 } 646 } 647 648 return (0); 649 } 650 651 void 652 uplcom_close(void *addr, int portno) 653 { 654 struct uplcom_softc *sc = addr; 655 int err; 656 657 if (sc->sc_dying) 658 return; 659 660 DPRINTF(("uplcom_close: close\n")); 661 662 if (sc->sc_intr_pipe != NULL) { 663 err = usbd_abort_pipe(sc->sc_intr_pipe); 664 if (err) 665 printf("%s: abort interrupt pipe failed: %s\n", 666 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 667 err = usbd_close_pipe(sc->sc_intr_pipe); 668 if (err) 669 printf("%s: close interrupt pipe failed: %s\n", 670 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 671 free(sc->sc_intr_buf, M_USBDEV); 672 sc->sc_intr_pipe = NULL; 673 } 674 } 675 676 void 677 uplcom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 678 { 679 struct uplcom_softc *sc = priv; 680 u_char *buf = sc->sc_intr_buf; 681 u_char pstatus; 682 683 if (sc->sc_dying) 684 return; 685 686 if (status != USBD_NORMAL_COMPLETION) { 687 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 688 return; 689 690 DPRINTF(("%s: abnormal status: %s\n", USBDEVNAME(sc->sc_dev), 691 usbd_errstr(status))); 692 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 693 return; 694 } 695 696 DPRINTF(("%s: uplcom status = %02x\n", USBDEVNAME(sc->sc_dev), buf[8])); 697 698 sc->sc_lsr = sc->sc_msr = 0; 699 pstatus = buf[8]; 700 if (ISSET(pstatus, RSAQ_STATUS_DSR)) 701 sc->sc_msr |= UMSR_DSR; 702 if (ISSET(pstatus, RSAQ_STATUS_DCD)) 703 sc->sc_msr |= UMSR_DCD; 704 ucom_status_change((struct ucom_softc *) sc->sc_subdev); 705 } 706 707 void 708 uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 709 { 710 struct uplcom_softc *sc = addr; 711 712 DPRINTF(("uplcom_get_status:\n")); 713 714 if (lsr != NULL) 715 *lsr = sc->sc_lsr; 716 if (msr != NULL) 717 *msr = sc->sc_msr; 718 } 719 720 #if TODO 721 int 722 uplcom_ioctl(void *addr, int portno, u_long cmd, caddr_t data, int flag, 723 usb_proc_ptr p) 724 { 725 struct uplcom_softc *sc = addr; 726 int error = 0; 727 728 if (sc->sc_dying) 729 return (EIO); 730 731 DPRINTF(("uplcom_ioctl: cmd=0x%08lx\n", cmd)); 732 733 switch (cmd) { 734 case TIOCNOTTY: 735 case TIOCMGET: 736 case TIOCMSET: 737 case USB_GET_CM_OVER_DATA: 738 case USB_SET_CM_OVER_DATA: 739 break; 740 741 default: 742 DPRINTF(("uplcom_ioctl: unknown\n")); 743 error = ENOTTY; 744 break; 745 } 746 747 return (error); 748 } 749 #endif 750