uplcom.c revision 1.32
1 /* $NetBSD: uplcom.c,v 1.32 2003/11/23 12:22:51 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 (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 * 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 1.32 2003/11/23 12:22:51 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/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, usb_proc_ptr ); 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 usb_devno uplcom_devs[] = { 151 /* I/O DATA USB-RSAQ2 */ 152 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ2 }, 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 /* IOGEAR/ATEN UC-232A */ 158 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303 }, 159 /* ELECOM UC-SGT */ 160 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT }, 161 /* RATOC REX-USB60 */ 162 { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60 }, 163 /* TDK USB-PHS Adapter UHA6400 */ 164 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UHA6400 }, 165 /* TDK USB-PDC Adapter UPA9664 */ 166 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UPA9664 }, 167 /* Sony Ericsson USB Cable */ 168 { USB_VENDOR_SONYERICSSON, USB_PRODUCT_SONYERICSSON_DCU10 }, 169 /* SOURCENEXT KeikaiDenwa 8 */ 170 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8 }, 171 /* SOURCENEXT KeikaiDenwa 8 with charger */ 172 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8_CHG }, 173 /* HAL Corporation Crossam2+USB */ 174 { USB_VENDOR_HAL, USB_PRODUCT_HAL_IMR001 }, 175 }; 176 #define uplcom_lookup(v, p) usb_lookup(uplcom_devs, v, p) 177 178 179 USB_DECLARE_DRIVER(uplcom); 180 181 USB_MATCH(uplcom) 182 { 183 USB_MATCH_START(uplcom, uaa); 184 185 if (uaa->iface != NULL) 186 return (UMATCH_NONE); 187 188 return (uplcom_lookup(uaa->vendor, uaa->product) != NULL ? 189 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 190 } 191 192 USB_ATTACH(uplcom) 193 { 194 USB_ATTACH_START(uplcom, sc, uaa); 195 usbd_device_handle dev = uaa->device; 196 usb_config_descriptor_t *cdesc; 197 usb_interface_descriptor_t *id; 198 usb_endpoint_descriptor_t *ed; 199 200 char devinfo[1024]; 201 char *devname = USBDEVNAME(sc->sc_dev); 202 usbd_status err; 203 int i; 204 struct ucom_attach_args uca; 205 206 usbd_devinfo(dev, 0, devinfo); 207 USB_ATTACH_SETUP; 208 printf("%s: %s\n", devname, devinfo); 209 210 sc->sc_udev = dev; 211 212 DPRINTF(("\n\nuplcom attach: sc=%p\n", sc)); 213 214 /* initialize endpoints */ 215 uca.bulkin = uca.bulkout = -1; 216 sc->sc_intr_number = -1; 217 sc->sc_intr_pipe = NULL; 218 219 /* Move the device into the configured state. */ 220 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); 221 if (err) { 222 printf("\n%s: failed to set configuration, err=%s\n", 223 devname, usbd_errstr(err)); 224 sc->sc_dying = 1; 225 USB_ATTACH_ERROR_RETURN; 226 } 227 228 /* get the config descriptor */ 229 cdesc = usbd_get_config_descriptor(sc->sc_udev); 230 231 if (cdesc == NULL) { 232 printf("%s: failed to get configuration descriptor\n", 233 USBDEVNAME(sc->sc_dev)); 234 sc->sc_dying = 1; 235 USB_ATTACH_ERROR_RETURN; 236 } 237 238 /* get the (first/common) interface */ 239 err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX, 240 &sc->sc_iface); 241 if (err) { 242 printf("\n%s: failed to get interface, err=%s\n", 243 devname, usbd_errstr(err)); 244 sc->sc_dying = 1; 245 USB_ATTACH_ERROR_RETURN; 246 } 247 248 /* Find the interrupt endpoints */ 249 250 id = usbd_get_interface_descriptor(sc->sc_iface); 251 sc->sc_iface_number = id->bInterfaceNumber; 252 253 for (i = 0; i < id->bNumEndpoints; i++) { 254 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 255 if (ed == NULL) { 256 printf("%s: no endpoint descriptor for %d\n", 257 USBDEVNAME(sc->sc_dev), i); 258 sc->sc_dying = 1; 259 USB_ATTACH_ERROR_RETURN; 260 } 261 262 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 263 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 264 sc->sc_intr_number = ed->bEndpointAddress; 265 sc->sc_isize = UGETW(ed->wMaxPacketSize); 266 } 267 } 268 269 if (sc->sc_intr_number== -1) { 270 printf("%s: Could not find interrupt in\n", 271 USBDEVNAME(sc->sc_dev)); 272 sc->sc_dying = 1; 273 USB_ATTACH_ERROR_RETURN; 274 } 275 276 /* keep interface for interrupt */ 277 sc->sc_intr_iface = sc->sc_iface; 278 279 /* 280 * USB-RSAQ1 has two interface 281 * 282 * USB-RSAQ1 | USB-RSAQ2 283 * -----------------+----------------- 284 * Interface 0 |Interface 0 285 * Interrupt(0x81) | Interrupt(0x81) 286 * -----------------+ BulkIN(0x02) 287 * Interface 1 | BulkOUT(0x83) 288 * BulkIN(0x02) | 289 * BulkOUT(0x83) | 290 */ 291 if (cdesc->bNumInterface == 2) { 292 err = usbd_device2interface_handle(dev, 293 UPLCOM_SECOND_IFACE_INDEX, &sc->sc_iface); 294 if (err) { 295 printf("\n%s: failed to get second interface, err=%s\n", 296 devname, usbd_errstr(err)); 297 sc->sc_dying = 1; 298 USB_ATTACH_ERROR_RETURN; 299 } 300 } 301 302 /* Find the bulk{in,out} endpoints */ 303 304 id = usbd_get_interface_descriptor(sc->sc_iface); 305 sc->sc_iface_number = id->bInterfaceNumber; 306 307 for (i = 0; i < id->bNumEndpoints; i++) { 308 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 309 if (ed == NULL) { 310 printf("%s: no endpoint descriptor for %d\n", 311 USBDEVNAME(sc->sc_dev), i); 312 sc->sc_dying = 1; 313 USB_ATTACH_ERROR_RETURN; 314 } 315 316 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 317 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 318 uca.bulkin = ed->bEndpointAddress; 319 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 320 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 321 uca.bulkout = ed->bEndpointAddress; 322 } 323 } 324 325 if (uca.bulkin == -1) { 326 printf("%s: Could not find data bulk in\n", 327 USBDEVNAME(sc->sc_dev)); 328 sc->sc_dying = 1; 329 USB_ATTACH_ERROR_RETURN; 330 } 331 332 if (uca.bulkout == -1) { 333 printf("%s: Could not find data bulk out\n", 334 USBDEVNAME(sc->sc_dev)); 335 sc->sc_dying = 1; 336 USB_ATTACH_ERROR_RETURN; 337 } 338 339 sc->sc_dtr = sc->sc_rts = -1; 340 uca.portno = UCOM_UNK_PORTNO; 341 /* bulkin, bulkout set above */ 342 uca.ibufsize = UPLCOMIBUFSIZE; 343 uca.obufsize = UPLCOMOBUFSIZE; 344 uca.ibufsizepad = UPLCOMIBUFSIZE; 345 uca.opkthdrlen = 0; 346 uca.device = dev; 347 uca.iface = sc->sc_iface; 348 uca.methods = &uplcom_methods; 349 uca.arg = sc; 350 uca.info = NULL; 351 352 err = uplcom_reset(sc); 353 354 if (err) { 355 printf("%s: reset failed, %s\n", USBDEVNAME(sc->sc_dev), 356 usbd_errstr(err)); 357 sc->sc_dying = 1; 358 USB_ATTACH_ERROR_RETURN; 359 } 360 361 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 362 USBDEV(sc->sc_dev)); 363 364 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 365 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 366 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); 367 368 USB_ATTACH_SUCCESS_RETURN; 369 } 370 371 USB_DETACH(uplcom) 372 { 373 USB_DETACH_START(uplcom, sc); 374 int rv = 0; 375 376 DPRINTF(("uplcom_detach: sc=%p flags=%d\n", sc, flags)); 377 378 if (sc->sc_intr_pipe != NULL) { 379 usbd_abort_pipe(sc->sc_intr_pipe); 380 usbd_close_pipe(sc->sc_intr_pipe); 381 free(sc->sc_intr_buf, M_USBDEV); 382 sc->sc_intr_pipe = NULL; 383 } 384 385 sc->sc_dying = 1; 386 if (sc->sc_subdev != NULL) { 387 rv = config_detach(sc->sc_subdev, flags); 388 sc->sc_subdev = NULL; 389 } 390 391 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 392 USBDEV(sc->sc_dev)); 393 394 return (rv); 395 } 396 397 int 398 uplcom_activate(device_ptr_t self, enum devact act) 399 { 400 struct uplcom_softc *sc = (struct uplcom_softc *)self; 401 int rv = 0; 402 403 switch (act) { 404 case DVACT_ACTIVATE: 405 return (EOPNOTSUPP); 406 407 case DVACT_DEACTIVATE: 408 if (sc->sc_subdev != NULL) 409 rv = config_deactivate(sc->sc_subdev); 410 sc->sc_dying = 1; 411 break; 412 } 413 return (rv); 414 } 415 416 usbd_status 417 uplcom_reset(struct uplcom_softc *sc) 418 { 419 usb_device_request_t req; 420 usbd_status err; 421 422 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 423 req.bRequest = UPLCOM_SET_REQUEST; 424 USETW(req.wValue, 0); 425 USETW(req.wIndex, sc->sc_iface_number); 426 USETW(req.wLength, 0); 427 428 err = usbd_do_request(sc->sc_udev, &req, 0); 429 if (err) 430 return (EIO); 431 432 return (0); 433 } 434 435 void 436 uplcom_set_line_state(struct uplcom_softc *sc) 437 { 438 usb_device_request_t req; 439 int ls; 440 441 ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) | 442 (sc->sc_rts ? UCDC_LINE_RTS : 0); 443 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 444 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 445 USETW(req.wValue, ls); 446 USETW(req.wIndex, sc->sc_iface_number); 447 USETW(req.wLength, 0); 448 449 (void)usbd_do_request(sc->sc_udev, &req, 0); 450 451 } 452 453 void 454 uplcom_set(void *addr, int portno, int reg, int onoff) 455 { 456 struct uplcom_softc *sc = addr; 457 458 switch (reg) { 459 case UCOM_SET_DTR: 460 uplcom_dtr(sc, onoff); 461 break; 462 case UCOM_SET_RTS: 463 uplcom_rts(sc, onoff); 464 break; 465 case UCOM_SET_BREAK: 466 uplcom_break(sc, onoff); 467 break; 468 default: 469 break; 470 } 471 } 472 473 void 474 uplcom_dtr(struct uplcom_softc *sc, int onoff) 475 { 476 477 DPRINTF(("uplcom_dtr: onoff=%d\n", onoff)); 478 479 if (sc->sc_dtr == onoff) 480 return; 481 sc->sc_dtr = onoff; 482 483 uplcom_set_line_state(sc); 484 } 485 486 void 487 uplcom_rts(struct uplcom_softc *sc, int onoff) 488 { 489 DPRINTF(("uplcom_rts: onoff=%d\n", onoff)); 490 491 if (sc->sc_rts == onoff) 492 return; 493 sc->sc_rts = onoff; 494 495 uplcom_set_line_state(sc); 496 } 497 498 void 499 uplcom_break(struct uplcom_softc *sc, int onoff) 500 { 501 usb_device_request_t req; 502 503 DPRINTF(("uplcom_break: onoff=%d\n", onoff)); 504 505 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 506 req.bRequest = UCDC_SEND_BREAK; 507 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 508 USETW(req.wIndex, sc->sc_iface_number); 509 USETW(req.wLength, 0); 510 511 (void)usbd_do_request(sc->sc_udev, &req, 0); 512 } 513 514 usbd_status 515 uplcom_set_crtscts(struct uplcom_softc *sc) 516 { 517 usb_device_request_t req; 518 usbd_status err; 519 520 DPRINTF(("uplcom_set_crtscts: on\n")); 521 522 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 523 req.bRequest = UPLCOM_SET_REQUEST; 524 USETW(req.wValue, 0); 525 USETW(req.wIndex, UPLCOM_SET_CRTSCTS); 526 USETW(req.wLength, 0); 527 528 err = usbd_do_request(sc->sc_udev, &req, 0); 529 if (err) { 530 DPRINTF(("uplcom_set_crtscts: failed, err=%s\n", 531 usbd_errstr(err))); 532 return (err); 533 } 534 535 return (USBD_NORMAL_COMPLETION); 536 } 537 538 usbd_status 539 uplcom_set_line_coding(struct uplcom_softc *sc, usb_cdc_line_state_t *state) 540 { 541 usb_device_request_t req; 542 usbd_status err; 543 544 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n", 545 UGETDW(state->dwDTERate), state->bCharFormat, 546 state->bParityType, state->bDataBits)); 547 548 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { 549 DPRINTF(("uplcom_set_line_coding: already set\n")); 550 return (USBD_NORMAL_COMPLETION); 551 } 552 553 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 554 req.bRequest = UCDC_SET_LINE_CODING; 555 USETW(req.wValue, 0); 556 USETW(req.wIndex, sc->sc_iface_number); 557 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 558 559 err = usbd_do_request(sc->sc_udev, &req, state); 560 if (err) { 561 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n", 562 usbd_errstr(err))); 563 return (err); 564 } 565 566 sc->sc_line_state = *state; 567 568 return (USBD_NORMAL_COMPLETION); 569 } 570 571 int 572 uplcom_param(void *addr, int portno, struct termios *t) 573 { 574 struct uplcom_softc *sc = addr; 575 usbd_status err; 576 usb_cdc_line_state_t ls; 577 578 DPRINTF(("uplcom_param: sc=%p\n", sc)); 579 580 USETDW(ls.dwDTERate, t->c_ospeed); 581 if (ISSET(t->c_cflag, CSTOPB)) 582 ls.bCharFormat = UCDC_STOP_BIT_2; 583 else 584 ls.bCharFormat = UCDC_STOP_BIT_1; 585 if (ISSET(t->c_cflag, PARENB)) { 586 if (ISSET(t->c_cflag, PARODD)) 587 ls.bParityType = UCDC_PARITY_ODD; 588 else 589 ls.bParityType = UCDC_PARITY_EVEN; 590 } else 591 ls.bParityType = UCDC_PARITY_NONE; 592 switch (ISSET(t->c_cflag, CSIZE)) { 593 case CS5: 594 ls.bDataBits = 5; 595 break; 596 case CS6: 597 ls.bDataBits = 6; 598 break; 599 case CS7: 600 ls.bDataBits = 7; 601 break; 602 case CS8: 603 ls.bDataBits = 8; 604 break; 605 } 606 607 err = uplcom_set_line_coding(sc, &ls); 608 if (err) { 609 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 610 return (EIO); 611 } 612 613 if (ISSET(t->c_cflag, CRTSCTS)) 614 uplcom_set_crtscts(sc); 615 616 if (err) { 617 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 618 return (EIO); 619 } 620 621 return (0); 622 } 623 624 int 625 uplcom_open(void *addr, int portno) 626 { 627 struct uplcom_softc *sc = addr; 628 int err; 629 630 if (sc->sc_dying) 631 return (EIO); 632 633 DPRINTF(("uplcom_open: sc=%p\n", sc)); 634 635 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 636 sc->sc_status = 0; /* clear status bit */ 637 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 638 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, 639 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, 640 sc->sc_intr_buf, sc->sc_isize, 641 uplcom_intr, USBD_DEFAULT_INTERVAL); 642 if (err) { 643 DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n", 644 USBDEVNAME(sc->sc_dev), sc->sc_intr_number)); 645 return (EIO); 646 } 647 } 648 649 return (0); 650 } 651 652 void 653 uplcom_close(void *addr, int portno) 654 { 655 struct uplcom_softc *sc = addr; 656 int err; 657 658 if (sc->sc_dying) 659 return; 660 661 DPRINTF(("uplcom_close: close\n")); 662 663 if (sc->sc_intr_pipe != NULL) { 664 err = usbd_abort_pipe(sc->sc_intr_pipe); 665 if (err) 666 printf("%s: abort interrupt pipe failed: %s\n", 667 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 668 err = usbd_close_pipe(sc->sc_intr_pipe); 669 if (err) 670 printf("%s: close interrupt pipe failed: %s\n", 671 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 672 free(sc->sc_intr_buf, M_USBDEV); 673 sc->sc_intr_pipe = NULL; 674 } 675 } 676 677 void 678 uplcom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 679 { 680 struct uplcom_softc *sc = priv; 681 u_char *buf = sc->sc_intr_buf; 682 u_char pstatus; 683 684 if (sc->sc_dying) 685 return; 686 687 if (status != USBD_NORMAL_COMPLETION) { 688 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 689 return; 690 691 DPRINTF(("%s: abnormal status: %s\n", USBDEVNAME(sc->sc_dev), 692 usbd_errstr(status))); 693 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 694 return; 695 } 696 697 DPRINTF(("%s: uplcom status = %02x\n", USBDEVNAME(sc->sc_dev), buf[8])); 698 699 sc->sc_lsr = sc->sc_msr = 0; 700 pstatus = buf[8]; 701 if (ISSET(pstatus, RSAQ_STATUS_DSR)) 702 sc->sc_msr |= UMSR_DSR; 703 if (ISSET(pstatus, RSAQ_STATUS_DCD)) 704 sc->sc_msr |= UMSR_DCD; 705 ucom_status_change((struct ucom_softc *) sc->sc_subdev); 706 } 707 708 void 709 uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 710 { 711 struct uplcom_softc *sc = addr; 712 713 DPRINTF(("uplcom_get_status:\n")); 714 715 if (lsr != NULL) 716 *lsr = sc->sc_lsr; 717 if (msr != NULL) 718 *msr = sc->sc_msr; 719 } 720 721 #if TODO 722 int 723 uplcom_ioctl(void *addr, int portno, u_long cmd, caddr_t data, int flag, 724 usb_proc_ptr p) 725 { 726 struct uplcom_softc *sc = addr; 727 int error = 0; 728 729 if (sc->sc_dying) 730 return (EIO); 731 732 DPRINTF(("uplcom_ioctl: cmd=0x%08lx\n", cmd)); 733 734 switch (cmd) { 735 case TIOCNOTTY: 736 case TIOCMGET: 737 case TIOCMSET: 738 case USB_GET_CM_OVER_DATA: 739 case USB_SET_CM_OVER_DATA: 740 break; 741 742 default: 743 DPRINTF(("uplcom_ioctl: unknown\n")); 744 error = ENOTTY; 745 break; 746 } 747 748 return (error); 749 } 750 #endif 751
Indexes created Fri Sep 26 20:09:58 GMT 2025