uplcom.c revision 1.22
1 /* $NetBSD: uplcom.c,v 1.22 2001/11/30 13:41:00 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 * 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/cdefs.h> 47 __KERNEL_RCSID(0, "$NetBSD: uplcom.c,v 1.22 2001/11/30 13:41:00 augustss Exp $"); 48 49 #include <sys/param.h> 50 #include <sys/systm.h> 51 #include <sys/kernel.h> 52 #include <sys/malloc.h> 53 #include <sys/ioctl.h> 54 #include <sys/conf.h> 55 #include <sys/tty.h> 56 #include <sys/file.h> 57 #include <sys/select.h> 58 #include <sys/proc.h> 59 #include <sys/vnode.h> 60 #include <sys/device.h> 61 #include <sys/poll.h> 62 63 #include <dev/usb/usb.h> 64 #include <dev/usb/usbcdc.h> 65 66 #include <dev/usb/usbdi.h> 67 #include <dev/usb/usbdi_util.h> 68 #include <dev/usb/usbdevs.h> 69 #include <dev/usb/usb_quirks.h> 70 71 #include <dev/usb/usbdevs.h> 72 #include <dev/usb/ucomvar.h> 73 74 #ifdef UPLCOM_DEBUG 75 #define DPRINTFN(n, x) if (uplcomdebug > (n)) logprintf x 76 int uplcomdebug = 0; 77 #else 78 #define DPRINTFN(n, x) 79 #endif 80 #define DPRINTF(x) DPRINTFN(0, x) 81 82 #define UPLCOM_CONFIG_INDEX 0 83 #define UPLCOM_IFACE_INDEX 0 84 #define UPLCOM_SECOND_IFACE_INDEX 1 85 86 #define UPLCOM_SET_REQUEST 0x01 87 #define UPLCOM_SET_CRTSCTS 0x41 88 #define RSAQ_STATUS_DSR 0x02 89 #define RSAQ_STATUS_DCD 0x01 90 91 struct uplcom_softc { 92 USBBASEDEVICE sc_dev; /* base device */ 93 usbd_device_handle sc_udev; /* USB device */ 94 usbd_interface_handle sc_iface; /* interface */ 95 int sc_iface_number; /* interface number */ 96 97 usbd_interface_handle sc_intr_iface; /* interrupt interface */ 98 int sc_intr_number; /* interrupt number */ 99 usbd_pipe_handle sc_intr_pipe; /* interrupt pipe */ 100 u_char *sc_intr_buf; /* interrupt buffer */ 101 int sc_isize; 102 103 usb_cdc_line_state_t sc_line_state; /* current line state */ 104 u_char sc_dtr; /* current DTR state */ 105 u_char sc_rts; /* current RTS state */ 106 u_char sc_status; 107 108 device_ptr_t sc_subdev; /* ucom device */ 109 110 u_char sc_dying; /* disconnecting */ 111 112 u_char sc_lsr; /* Local status register */ 113 u_char sc_msr; /* uplcom status register */ 114 }; 115 116 /* 117 * These are the maximum number of bytes transferred per frame. 118 * The output buffer size cannot be increased due to the size encoding. 119 */ 120 #define UPLCOMIBUFSIZE 256 121 #define UPLCOMOBUFSIZE 256 122 123 Static usbd_status uplcom_reset(struct uplcom_softc *); 124 Static usbd_status uplcom_set_line_coding(struct uplcom_softc *sc, 125 usb_cdc_line_state_t *state); 126 Static usbd_status uplcom_set_crtscts(struct uplcom_softc *); 127 Static void uplcom_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 128 129 Static void uplcom_set(void *, int, int, int); 130 Static void uplcom_dtr(struct uplcom_softc *, int); 131 Static void uplcom_rts(struct uplcom_softc *, int); 132 Static void uplcom_break(struct uplcom_softc *, int); 133 Static void uplcom_set_line_state(struct uplcom_softc *); 134 Static void uplcom_get_status(void *, int portno, u_char *lsr, u_char *msr); 135 #if TODO 136 Static int uplcom_ioctl(void *, int, u_long, caddr_t, int, struct proc *); 137 #endif 138 Static int uplcom_param(void *, int, struct termios *); 139 Static int uplcom_open(void *, int); 140 Static void uplcom_close(void *, int); 141 142 struct ucom_methods uplcom_methods = { 143 uplcom_get_status, 144 uplcom_set, 145 uplcom_param, 146 NULL, /* uplcom_ioctl, TODO */ 147 uplcom_open, 148 uplcom_close, 149 NULL, 150 NULL, 151 }; 152 153 static const struct uplcom_product { 154 uint16_t vendor; 155 uint16_t product; 156 } uplcom_products [] = { 157 /* I/O DATA USB-RSAQ2 */ 158 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ2 }, 159 /* I/O DATA USB-RSAQ */ 160 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ }, 161 /* PLANEX USB-RS232 URS-03 */ 162 { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC232A }, 163 /* IOGEAR/ATEN UC-232A */ 164 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303 }, 165 /* ELECOM UC-SGT */ 166 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT }, 167 { 0, 0 } 168 }; 169 170 USB_DECLARE_DRIVER(uplcom); 171 172 USB_MATCH(uplcom) 173 { 174 USB_MATCH_START(uplcom, uaa); 175 int i; 176 177 if (uaa->iface != NULL) 178 return (UMATCH_NONE); 179 180 for (i = 0; uplcom_products[i].vendor != 0; i++) { 181 if (uplcom_products[i].vendor == uaa->vendor && 182 uplcom_products[i].product == uaa->product) { 183 return (UMATCH_VENDOR_PRODUCT); 184 } 185 } 186 return (UMATCH_NONE); 187 } 188 189 USB_ATTACH(uplcom) 190 { 191 USB_ATTACH_START(uplcom, sc, uaa); 192 usbd_device_handle dev = uaa->device; 193 usb_config_descriptor_t *cdesc; 194 usb_interface_descriptor_t *id; 195 usb_endpoint_descriptor_t *ed; 196 197 char devinfo[1024]; 198 char *devname = USBDEVNAME(sc->sc_dev); 199 usbd_status err; 200 int i; 201 struct ucom_attach_args uca; 202 203 usbd_devinfo(dev, 0, devinfo); 204 USB_ATTACH_SETUP; 205 printf("%s: %s\n", devname, devinfo); 206 207 sc->sc_udev = dev; 208 209 DPRINTF(("\n\nuplcom attach: sc=%p\n", sc)); 210 211 /* initialize endpoints */ 212 uca.bulkin = uca.bulkout = -1; 213 sc->sc_intr_number = -1; 214 sc->sc_intr_pipe = NULL; 215 216 /* Move the device into the configured state. */ 217 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); 218 if (err) { 219 printf("\n%s: failed to set configuration, err=%s\n", 220 devname, usbd_errstr(err)); 221 sc->sc_dying = 1; 222 USB_ATTACH_ERROR_RETURN; 223 } 224 225 /* get the config descriptor */ 226 cdesc = usbd_get_config_descriptor(sc->sc_udev); 227 228 if (cdesc == NULL) { 229 printf("%s: failed to get configuration descriptor\n", 230 USBDEVNAME(sc->sc_dev)); 231 sc->sc_dying = 1; 232 USB_ATTACH_ERROR_RETURN; 233 } 234 235 /* get the (first/common) interface */ 236 err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX, 237 &sc->sc_iface); 238 if (err) { 239 printf("\n%s: failed to get interface, err=%s\n", 240 devname, usbd_errstr(err)); 241 sc->sc_dying = 1; 242 USB_ATTACH_ERROR_RETURN; 243 } 244 245 /* Find the interrupt endpoints */ 246 247 id = usbd_get_interface_descriptor(sc->sc_iface); 248 sc->sc_iface_number = id->bInterfaceNumber; 249 250 for (i = 0; i < id->bNumEndpoints; i++) { 251 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 252 if (ed == NULL) { 253 printf("%s: no endpoint descriptor for %d\n", 254 USBDEVNAME(sc->sc_dev), i); 255 sc->sc_dying = 1; 256 USB_ATTACH_ERROR_RETURN; 257 } 258 259 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 260 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 261 sc->sc_intr_number = ed->bEndpointAddress; 262 sc->sc_isize = UGETW(ed->wMaxPacketSize); 263 } 264 } 265 266 if (sc->sc_intr_number== -1) { 267 printf("%s: Could not find interrupt in\n", 268 USBDEVNAME(sc->sc_dev)); 269 sc->sc_dying = 1; 270 USB_ATTACH_ERROR_RETURN; 271 } 272 273 /* keep interface for interrupt */ 274 sc->sc_intr_iface = sc->sc_iface; 275 276 /* 277 * USB-RSAQ1 has two interface 278 * 279 * USB-RSAQ1 | USB-RSAQ2 280 * -----------------+----------------- 281 * Interface 0 |Interface 0 282 * Interrupt(0x81) | Interrupt(0x81) 283 * -----------------+ BulkIN(0x02) 284 * Interface 1 | BulkOUT(0x83) 285 * BulkIN(0x02) | 286 * BulkOUT(0x83) | 287 */ 288 if (cdesc->bNumInterface == 2) { 289 err = usbd_device2interface_handle(dev, 290 UPLCOM_SECOND_IFACE_INDEX, &sc->sc_iface); 291 if (err) { 292 printf("\n%s: failed to get second interface, err=%s\n", 293 devname, usbd_errstr(err)); 294 sc->sc_dying = 1; 295 USB_ATTACH_ERROR_RETURN; 296 } 297 } 298 299 /* Find the bulk{in,out} endpoints */ 300 301 id = usbd_get_interface_descriptor(sc->sc_iface); 302 sc->sc_iface_number = id->bInterfaceNumber; 303 304 for (i = 0; i < id->bNumEndpoints; i++) { 305 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 306 if (ed == NULL) { 307 printf("%s: no endpoint descriptor for %d\n", 308 USBDEVNAME(sc->sc_dev), i); 309 sc->sc_dying = 1; 310 USB_ATTACH_ERROR_RETURN; 311 } 312 313 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 314 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 315 uca.bulkin = ed->bEndpointAddress; 316 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 317 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 318 uca.bulkout = ed->bEndpointAddress; 319 } 320 } 321 322 if (uca.bulkin == -1) { 323 printf("%s: Could not find data bulk in\n", 324 USBDEVNAME(sc->sc_dev)); 325 sc->sc_dying = 1; 326 USB_ATTACH_ERROR_RETURN; 327 } 328 329 if (uca.bulkout == -1) { 330 printf("%s: Could not find data bulk out\n", 331 USBDEVNAME(sc->sc_dev)); 332 sc->sc_dying = 1; 333 USB_ATTACH_ERROR_RETURN; 334 } 335 336 sc->sc_dtr = sc->sc_rts = -1; 337 uca.portno = UCOM_UNK_PORTNO; 338 /* bulkin, bulkout set above */ 339 uca.ibufsize = UPLCOMIBUFSIZE; 340 uca.obufsize = UPLCOMOBUFSIZE; 341 uca.ibufsizepad = UPLCOMIBUFSIZE; 342 uca.opkthdrlen = 0; 343 uca.device = dev; 344 uca.iface = sc->sc_iface; 345 uca.methods = &uplcom_methods; 346 uca.arg = sc; 347 uca.info = NULL; 348 349 err = uplcom_reset(sc); 350 351 if (err) { 352 printf("%s: reset failed, %s\n", USBDEVNAME(sc->sc_dev), 353 usbd_errstr(err)); 354 sc->sc_dying = 1; 355 USB_ATTACH_ERROR_RETURN; 356 } 357 358 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 359 USBDEV(sc->sc_dev)); 360 361 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 362 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 363 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); 364 365 USB_ATTACH_SUCCESS_RETURN; 366 } 367 368 USB_DETACH(uplcom) 369 { 370 USB_DETACH_START(uplcom, sc); 371 int rv = 0; 372 373 DPRINTF(("uplcom_detach: sc=%p flags=%d\n", sc, flags)); 374 375 if (sc->sc_intr_pipe != NULL) { 376 usbd_abort_pipe(sc->sc_intr_pipe); 377 usbd_close_pipe(sc->sc_intr_pipe); 378 free(sc->sc_intr_buf, M_USBDEV); 379 sc->sc_intr_pipe = NULL; 380 } 381 382 sc->sc_dying = 1; 383 if (sc->sc_subdev != NULL) { 384 rv = config_detach(sc->sc_subdev, flags); 385 sc->sc_subdev = NULL; 386 } 387 388 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 389 USBDEV(sc->sc_dev)); 390 391 return (rv); 392 } 393 394 int 395 uplcom_activate(device_ptr_t self, enum devact act) 396 { 397 struct uplcom_softc *sc = (struct uplcom_softc *)self; 398 int rv = 0; 399 400 switch (act) { 401 case DVACT_ACTIVATE: 402 return (EOPNOTSUPP); 403 break; 404 405 case DVACT_DEACTIVATE: 406 if (sc->sc_subdev != NULL) 407 rv = config_deactivate(sc->sc_subdev); 408 sc->sc_dying = 1; 409 break; 410 } 411 return (rv); 412 } 413 414 usbd_status 415 uplcom_reset(struct uplcom_softc *sc) 416 { 417 usb_device_request_t req; 418 usbd_status err; 419 420 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 421 req.bRequest = UPLCOM_SET_REQUEST; 422 USETW(req.wValue, 0); 423 USETW(req.wIndex, sc->sc_iface_number); 424 USETW(req.wLength, 0); 425 426 err = usbd_do_request(sc->sc_udev, &req, 0); 427 if (err) 428 return (EIO); 429 430 return (0); 431 } 432 433 void 434 uplcom_set_line_state(struct uplcom_softc *sc) 435 { 436 usb_device_request_t req; 437 int ls; 438 439 ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) | 440 (sc->sc_rts ? UCDC_LINE_RTS : 0); 441 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 442 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 443 USETW(req.wValue, ls); 444 USETW(req.wIndex, sc->sc_iface_number); 445 USETW(req.wLength, 0); 446 447 (void)usbd_do_request(sc->sc_udev, &req, 0); 448 449 } 450 451 void 452 uplcom_set(void *addr, int portno, int reg, int onoff) 453 { 454 struct uplcom_softc *sc = addr; 455 456 switch (reg) { 457 case UCOM_SET_DTR: 458 uplcom_dtr(sc, onoff); 459 break; 460 case UCOM_SET_RTS: 461 uplcom_rts(sc, onoff); 462 break; 463 case UCOM_SET_BREAK: 464 uplcom_break(sc, onoff); 465 break; 466 default: 467 break; 468 } 469 } 470 471 void 472 uplcom_dtr(struct uplcom_softc *sc, int onoff) 473 { 474 475 DPRINTF(("uplcom_dtr: onoff=%d\n", onoff)); 476 477 if (sc->sc_dtr == onoff) 478 return; 479 sc->sc_dtr = onoff; 480 481 uplcom_set_line_state(sc); 482 } 483 484 void 485 uplcom_rts(struct uplcom_softc *sc, int onoff) 486 { 487 DPRINTF(("uplcom_rts: onoff=%d\n", onoff)); 488 489 if (sc->sc_rts == onoff) 490 return; 491 sc->sc_rts = onoff; 492 493 uplcom_set_line_state(sc); 494 } 495 496 void 497 uplcom_break(struct uplcom_softc *sc, int onoff) 498 { 499 usb_device_request_t req; 500 501 DPRINTF(("uplcom_break: onoff=%d\n", onoff)); 502 503 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 504 req.bRequest = UCDC_SEND_BREAK; 505 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 506 USETW(req.wIndex, sc->sc_iface_number); 507 USETW(req.wLength, 0); 508 509 (void)usbd_do_request(sc->sc_udev, &req, 0); 510 } 511 512 usbd_status 513 uplcom_set_crtscts(struct uplcom_softc *sc) 514 { 515 usb_device_request_t req; 516 usbd_status err; 517 518 DPRINTF(("uplcom_set_crtscts: on\n")); 519 520 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 521 req.bRequest = UPLCOM_SET_REQUEST; 522 USETW(req.wValue, 0); 523 USETW(req.wIndex, UPLCOM_SET_CRTSCTS); 524 USETW(req.wLength, 0); 525 526 err = usbd_do_request(sc->sc_udev, &req, 0); 527 if (err) { 528 DPRINTF(("uplcom_set_crtscts: failed, err=%s\n", 529 usbd_errstr(err))); 530 return (err); 531 } 532 533 return (USBD_NORMAL_COMPLETION); 534 } 535 536 usbd_status 537 uplcom_set_line_coding(struct uplcom_softc *sc, usb_cdc_line_state_t *state) 538 { 539 usb_device_request_t req; 540 usbd_status err; 541 542 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n", 543 UGETDW(state->dwDTERate), state->bCharFormat, 544 state->bParityType, state->bDataBits)); 545 546 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { 547 DPRINTF(("uplcom_set_line_coding: already set\n")); 548 return (USBD_NORMAL_COMPLETION); 549 } 550 551 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 552 req.bRequest = UCDC_SET_LINE_CODING; 553 USETW(req.wValue, 0); 554 USETW(req.wIndex, sc->sc_iface_number); 555 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 556 557 err = usbd_do_request(sc->sc_udev, &req, state); 558 if (err) { 559 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n", 560 usbd_errstr(err))); 561 return (err); 562 } 563 564 sc->sc_line_state = *state; 565 566 return (USBD_NORMAL_COMPLETION); 567 } 568 569 int 570 uplcom_param(void *addr, int portno, struct termios *t) 571 { 572 struct uplcom_softc *sc = addr; 573 usbd_status err; 574 usb_cdc_line_state_t ls; 575 576 DPRINTF(("uplcom_param: sc=%p\n", sc)); 577 578 USETDW(ls.dwDTERate, t->c_ospeed); 579 if (ISSET(t->c_cflag, CSTOPB)) 580 ls.bCharFormat = UCDC_STOP_BIT_2; 581 else 582 ls.bCharFormat = UCDC_STOP_BIT_1; 583 if (ISSET(t->c_cflag, PARENB)) { 584 if (ISSET(t->c_cflag, PARODD)) 585 ls.bParityType = UCDC_PARITY_ODD; 586 else 587 ls.bParityType = UCDC_PARITY_EVEN; 588 } else 589 ls.bParityType = UCDC_PARITY_NONE; 590 switch (ISSET(t->c_cflag, CSIZE)) { 591 case CS5: 592 ls.bDataBits = 5; 593 break; 594 case CS6: 595 ls.bDataBits = 6; 596 break; 597 case CS7: 598 ls.bDataBits = 7; 599 break; 600 case CS8: 601 ls.bDataBits = 8; 602 break; 603 } 604 605 err = uplcom_set_line_coding(sc, &ls); 606 if (err) { 607 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 608 return (EIO); 609 } 610 611 if (ISSET(t->c_cflag, CRTSCTS)) 612 uplcom_set_crtscts(sc); 613 614 if (err) { 615 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 616 return (EIO); 617 } 618 619 return (0); 620 } 621 622 int 623 uplcom_open(void *addr, int portno) 624 { 625 struct uplcom_softc *sc = addr; 626 int err; 627 628 if (sc->sc_dying) 629 return (EIO); 630 631 DPRINTF(("uplcom_open: sc=%p\n", sc)); 632 633 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 634 sc->sc_status = 0; /* clear status bit */ 635 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 636 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, 637 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, 638 sc->sc_intr_buf, sc->sc_isize, 639 uplcom_intr, USBD_DEFAULT_INTERVAL); 640 if (err) { 641 DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n", 642 USBDEVNAME(sc->sc_dev), sc->sc_intr_number)); 643 return (EIO); 644 } 645 } 646 647 return (0); 648 } 649 650 void 651 uplcom_close(void *addr, int portno) 652 { 653 struct uplcom_softc *sc = addr; 654 int err; 655 656 if (sc->sc_dying) 657 return; 658 659 DPRINTF(("uplcom_close: close\n")); 660 661 if (sc->sc_intr_pipe != NULL) { 662 err = usbd_abort_pipe(sc->sc_intr_pipe); 663 if (err) 664 printf("%s: abort interrupt pipe failed: %s\n", 665 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 666 err = usbd_close_pipe(sc->sc_intr_pipe); 667 if (err) 668 printf("%s: close interrupt pipe failed: %s\n", 669 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 670 free(sc->sc_intr_buf, M_USBDEV); 671 sc->sc_intr_pipe = NULL; 672 } 673 } 674 675 void 676 uplcom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 677 { 678 struct uplcom_softc *sc = priv; 679 u_char *buf = sc->sc_intr_buf; 680 u_char pstatus; 681 682 if (sc->sc_dying) 683 return; 684 685 if (status != USBD_NORMAL_COMPLETION) { 686 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 687 return; 688 689 DPRINTF(("%s: abnormal status: %s\n", USBDEVNAME(sc->sc_dev), 690 usbd_errstr(status))); 691 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 692 return; 693 } 694 695 DPRINTF(("%s: uplcom status = %02x\n", USBDEVNAME(sc->sc_dev), buf[8])); 696 697 sc->sc_lsr = sc->sc_msr = 0; 698 pstatus = buf[8]; 699 if (ISSET(pstatus, RSAQ_STATUS_DSR)) 700 sc->sc_msr |= UMSR_DSR; 701 if (ISSET(pstatus, RSAQ_STATUS_DCD)) 702 sc->sc_msr |= UMSR_DCD; 703 ucom_status_change((struct ucom_softc *) sc->sc_subdev); 704 } 705 706 void 707 uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 708 { 709 struct uplcom_softc *sc = addr; 710 711 DPRINTF(("uplcom_get_status:\n")); 712 713 if (lsr != NULL) 714 *lsr = sc->sc_lsr; 715 if (msr != NULL) 716 *msr = sc->sc_msr; 717 } 718 719 #if TODO 720 int 721 uplcom_ioctl(void *addr, int portno, u_long cmd, caddr_t data, int flag, 722 struct proc *p) 723 { 724 struct uplcom_softc *sc = addr; 725 int error = 0; 726 727 if (sc->sc_dying) 728 return (EIO); 729 730 DPRINTF(("uplcom_ioctl: cmd=0x%08lx\n", cmd)); 731 732 switch (cmd) { 733 case TIOCNOTTY: 734 case TIOCMGET: 735 case TIOCMSET: 736 case USB_GET_CM_OVER_DATA: 737 case USB_SET_CM_OVER_DATA: 738 break; 739 740 default: 741 DPRINTF(("uplcom_ioctl: unknown\n")); 742 error = ENOTTY; 743 break; 744 } 745 746 return (error); 747 } 748 #endif 749
Indexes created Sat Sep 27 22:09:54 GMT 2025