uplcom.c revision 1.25
1 /* $NetBSD: uplcom.c,v 1.25 2002/01/22 03:13:28 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/cdefs.h> 47 __KERNEL_RCSID(0, "$NetBSD: uplcom.c,v 1.25 2002/01/22 03:13:28 ichiro 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, usb_proc_ptr ); 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 usb_devno uplcom_devs[] = { 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 /* ELECOM UC-SGT */ 163 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT }, 164 /* RATOC REX-USB60 */ 165 { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60 }, 166 }; 167 #define uplcom_lookup(v, p) usb_lookup(uplcom_devs, v, p) 168 169 USB_DECLARE_DRIVER(uplcom); 170 171 USB_MATCH(uplcom) 172 { 173 USB_MATCH_START(uplcom, uaa); 174 175 if (uaa->iface != NULL) 176 return (UMATCH_NONE); 177 178 return (uplcom_lookup(uaa->vendor, uaa->product) != NULL ? 179 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 180 } 181 182 USB_ATTACH(uplcom) 183 { 184 USB_ATTACH_START(uplcom, sc, uaa); 185 usbd_device_handle dev = uaa->device; 186 usb_config_descriptor_t *cdesc; 187 usb_interface_descriptor_t *id; 188 usb_endpoint_descriptor_t *ed; 189 190 char devinfo[1024]; 191 char *devname = USBDEVNAME(sc->sc_dev); 192 usbd_status err; 193 int i; 194 struct ucom_attach_args uca; 195 196 usbd_devinfo(dev, 0, devinfo); 197 USB_ATTACH_SETUP; 198 printf("%s: %s\n", devname, devinfo); 199 200 sc->sc_udev = dev; 201 202 DPRINTF(("\n\nuplcom attach: sc=%p\n", sc)); 203 204 /* initialize endpoints */ 205 uca.bulkin = uca.bulkout = -1; 206 sc->sc_intr_number = -1; 207 sc->sc_intr_pipe = NULL; 208 209 /* Move the device into the configured state. */ 210 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); 211 if (err) { 212 printf("\n%s: failed to set configuration, err=%s\n", 213 devname, usbd_errstr(err)); 214 sc->sc_dying = 1; 215 USB_ATTACH_ERROR_RETURN; 216 } 217 218 /* get the config descriptor */ 219 cdesc = usbd_get_config_descriptor(sc->sc_udev); 220 221 if (cdesc == NULL) { 222 printf("%s: failed to get configuration descriptor\n", 223 USBDEVNAME(sc->sc_dev)); 224 sc->sc_dying = 1; 225 USB_ATTACH_ERROR_RETURN; 226 } 227 228 /* get the (first/common) interface */ 229 err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX, 230 &sc->sc_iface); 231 if (err) { 232 printf("\n%s: failed to get interface, err=%s\n", 233 devname, usbd_errstr(err)); 234 sc->sc_dying = 1; 235 USB_ATTACH_ERROR_RETURN; 236 } 237 238 /* Find the interrupt endpoints */ 239 240 id = usbd_get_interface_descriptor(sc->sc_iface); 241 sc->sc_iface_number = id->bInterfaceNumber; 242 243 for (i = 0; i < id->bNumEndpoints; i++) { 244 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 245 if (ed == NULL) { 246 printf("%s: no endpoint descriptor for %d\n", 247 USBDEVNAME(sc->sc_dev), i); 248 sc->sc_dying = 1; 249 USB_ATTACH_ERROR_RETURN; 250 } 251 252 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 253 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 254 sc->sc_intr_number = ed->bEndpointAddress; 255 sc->sc_isize = UGETW(ed->wMaxPacketSize); 256 } 257 } 258 259 if (sc->sc_intr_number== -1) { 260 printf("%s: Could not find interrupt in\n", 261 USBDEVNAME(sc->sc_dev)); 262 sc->sc_dying = 1; 263 USB_ATTACH_ERROR_RETURN; 264 } 265 266 /* keep interface for interrupt */ 267 sc->sc_intr_iface = sc->sc_iface; 268 269 /* 270 * USB-RSAQ1 has two interface 271 * 272 * USB-RSAQ1 | USB-RSAQ2 273 * -----------------+----------------- 274 * Interface 0 |Interface 0 275 * Interrupt(0x81) | Interrupt(0x81) 276 * -----------------+ BulkIN(0x02) 277 * Interface 1 | BulkOUT(0x83) 278 * BulkIN(0x02) | 279 * BulkOUT(0x83) | 280 */ 281 if (cdesc->bNumInterface == 2) { 282 err = usbd_device2interface_handle(dev, 283 UPLCOM_SECOND_IFACE_INDEX, &sc->sc_iface); 284 if (err) { 285 printf("\n%s: failed to get second interface, err=%s\n", 286 devname, usbd_errstr(err)); 287 sc->sc_dying = 1; 288 USB_ATTACH_ERROR_RETURN; 289 } 290 } 291 292 /* Find the bulk{in,out} endpoints */ 293 294 id = usbd_get_interface_descriptor(sc->sc_iface); 295 sc->sc_iface_number = id->bInterfaceNumber; 296 297 for (i = 0; i < id->bNumEndpoints; i++) { 298 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 299 if (ed == NULL) { 300 printf("%s: no endpoint descriptor for %d\n", 301 USBDEVNAME(sc->sc_dev), i); 302 sc->sc_dying = 1; 303 USB_ATTACH_ERROR_RETURN; 304 } 305 306 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 307 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 308 uca.bulkin = ed->bEndpointAddress; 309 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 310 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 311 uca.bulkout = ed->bEndpointAddress; 312 } 313 } 314 315 if (uca.bulkin == -1) { 316 printf("%s: Could not find data bulk in\n", 317 USBDEVNAME(sc->sc_dev)); 318 sc->sc_dying = 1; 319 USB_ATTACH_ERROR_RETURN; 320 } 321 322 if (uca.bulkout == -1) { 323 printf("%s: Could not find data bulk out\n", 324 USBDEVNAME(sc->sc_dev)); 325 sc->sc_dying = 1; 326 USB_ATTACH_ERROR_RETURN; 327 } 328 329 sc->sc_dtr = sc->sc_rts = -1; 330 uca.portno = UCOM_UNK_PORTNO; 331 /* bulkin, bulkout set above */ 332 uca.ibufsize = UPLCOMIBUFSIZE; 333 uca.obufsize = UPLCOMOBUFSIZE; 334 uca.ibufsizepad = UPLCOMIBUFSIZE; 335 uca.opkthdrlen = 0; 336 uca.device = dev; 337 uca.iface = sc->sc_iface; 338 uca.methods = &uplcom_methods; 339 uca.arg = sc; 340 uca.info = NULL; 341 342 err = uplcom_reset(sc); 343 344 if (err) { 345 printf("%s: reset failed, %s\n", USBDEVNAME(sc->sc_dev), 346 usbd_errstr(err)); 347 sc->sc_dying = 1; 348 USB_ATTACH_ERROR_RETURN; 349 } 350 351 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 352 USBDEV(sc->sc_dev)); 353 354 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 355 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 356 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); 357 358 USB_ATTACH_SUCCESS_RETURN; 359 } 360 361 USB_DETACH(uplcom) 362 { 363 USB_DETACH_START(uplcom, sc); 364 int rv = 0; 365 366 DPRINTF(("uplcom_detach: sc=%p flags=%d\n", sc, flags)); 367 368 if (sc->sc_intr_pipe != NULL) { 369 usbd_abort_pipe(sc->sc_intr_pipe); 370 usbd_close_pipe(sc->sc_intr_pipe); 371 free(sc->sc_intr_buf, M_USBDEV); 372 sc->sc_intr_pipe = NULL; 373 } 374 375 sc->sc_dying = 1; 376 if (sc->sc_subdev != NULL) { 377 rv = config_detach(sc->sc_subdev, flags); 378 sc->sc_subdev = NULL; 379 } 380 381 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 382 USBDEV(sc->sc_dev)); 383 384 return (rv); 385 } 386 387 int 388 uplcom_activate(device_ptr_t self, enum devact act) 389 { 390 struct uplcom_softc *sc = (struct uplcom_softc *)self; 391 int rv = 0; 392 393 switch (act) { 394 case DVACT_ACTIVATE: 395 return (EOPNOTSUPP); 396 break; 397 398 case DVACT_DEACTIVATE: 399 if (sc->sc_subdev != NULL) 400 rv = config_deactivate(sc->sc_subdev); 401 sc->sc_dying = 1; 402 break; 403 } 404 return (rv); 405 } 406 407 usbd_status 408 uplcom_reset(struct uplcom_softc *sc) 409 { 410 usb_device_request_t req; 411 usbd_status err; 412 413 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 414 req.bRequest = UPLCOM_SET_REQUEST; 415 USETW(req.wValue, 0); 416 USETW(req.wIndex, sc->sc_iface_number); 417 USETW(req.wLength, 0); 418 419 err = usbd_do_request(sc->sc_udev, &req, 0); 420 if (err) 421 return (EIO); 422 423 return (0); 424 } 425 426 void 427 uplcom_set_line_state(struct uplcom_softc *sc) 428 { 429 usb_device_request_t req; 430 int ls; 431 432 ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) | 433 (sc->sc_rts ? UCDC_LINE_RTS : 0); 434 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 435 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 436 USETW(req.wValue, ls); 437 USETW(req.wIndex, sc->sc_iface_number); 438 USETW(req.wLength, 0); 439 440 (void)usbd_do_request(sc->sc_udev, &req, 0); 441 442 } 443 444 void 445 uplcom_set(void *addr, int portno, int reg, int onoff) 446 { 447 struct uplcom_softc *sc = addr; 448 449 switch (reg) { 450 case UCOM_SET_DTR: 451 uplcom_dtr(sc, onoff); 452 break; 453 case UCOM_SET_RTS: 454 uplcom_rts(sc, onoff); 455 break; 456 case UCOM_SET_BREAK: 457 uplcom_break(sc, onoff); 458 break; 459 default: 460 break; 461 } 462 } 463 464 void 465 uplcom_dtr(struct uplcom_softc *sc, int onoff) 466 { 467 468 DPRINTF(("uplcom_dtr: onoff=%d\n", onoff)); 469 470 if (sc->sc_dtr == onoff) 471 return; 472 sc->sc_dtr = onoff; 473 474 uplcom_set_line_state(sc); 475 } 476 477 void 478 uplcom_rts(struct uplcom_softc *sc, int onoff) 479 { 480 DPRINTF(("uplcom_rts: onoff=%d\n", onoff)); 481 482 if (sc->sc_rts == onoff) 483 return; 484 sc->sc_rts = onoff; 485 486 uplcom_set_line_state(sc); 487 } 488 489 void 490 uplcom_break(struct uplcom_softc *sc, int onoff) 491 { 492 usb_device_request_t req; 493 494 DPRINTF(("uplcom_break: onoff=%d\n", onoff)); 495 496 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 497 req.bRequest = UCDC_SEND_BREAK; 498 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 499 USETW(req.wIndex, sc->sc_iface_number); 500 USETW(req.wLength, 0); 501 502 (void)usbd_do_request(sc->sc_udev, &req, 0); 503 } 504 505 usbd_status 506 uplcom_set_crtscts(struct uplcom_softc *sc) 507 { 508 usb_device_request_t req; 509 usbd_status err; 510 511 DPRINTF(("uplcom_set_crtscts: on\n")); 512 513 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 514 req.bRequest = UPLCOM_SET_REQUEST; 515 USETW(req.wValue, 0); 516 USETW(req.wIndex, UPLCOM_SET_CRTSCTS); 517 USETW(req.wLength, 0); 518 519 err = usbd_do_request(sc->sc_udev, &req, 0); 520 if (err) { 521 DPRINTF(("uplcom_set_crtscts: failed, err=%s\n", 522 usbd_errstr(err))); 523 return (err); 524 } 525 526 return (USBD_NORMAL_COMPLETION); 527 } 528 529 usbd_status 530 uplcom_set_line_coding(struct uplcom_softc *sc, usb_cdc_line_state_t *state) 531 { 532 usb_device_request_t req; 533 usbd_status err; 534 535 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n", 536 UGETDW(state->dwDTERate), state->bCharFormat, 537 state->bParityType, state->bDataBits)); 538 539 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { 540 DPRINTF(("uplcom_set_line_coding: already set\n")); 541 return (USBD_NORMAL_COMPLETION); 542 } 543 544 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 545 req.bRequest = UCDC_SET_LINE_CODING; 546 USETW(req.wValue, 0); 547 USETW(req.wIndex, sc->sc_iface_number); 548 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 549 550 err = usbd_do_request(sc->sc_udev, &req, state); 551 if (err) { 552 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n", 553 usbd_errstr(err))); 554 return (err); 555 } 556 557 sc->sc_line_state = *state; 558 559 return (USBD_NORMAL_COMPLETION); 560 } 561 562 int 563 uplcom_param(void *addr, int portno, struct termios *t) 564 { 565 struct uplcom_softc *sc = addr; 566 usbd_status err; 567 usb_cdc_line_state_t ls; 568 569 DPRINTF(("uplcom_param: sc=%p\n", sc)); 570 571 USETDW(ls.dwDTERate, t->c_ospeed); 572 if (ISSET(t->c_cflag, CSTOPB)) 573 ls.bCharFormat = UCDC_STOP_BIT_2; 574 else 575 ls.bCharFormat = UCDC_STOP_BIT_1; 576 if (ISSET(t->c_cflag, PARENB)) { 577 if (ISSET(t->c_cflag, PARODD)) 578 ls.bParityType = UCDC_PARITY_ODD; 579 else 580 ls.bParityType = UCDC_PARITY_EVEN; 581 } else 582 ls.bParityType = UCDC_PARITY_NONE; 583 switch (ISSET(t->c_cflag, CSIZE)) { 584 case CS5: 585 ls.bDataBits = 5; 586 break; 587 case CS6: 588 ls.bDataBits = 6; 589 break; 590 case CS7: 591 ls.bDataBits = 7; 592 break; 593 case CS8: 594 ls.bDataBits = 8; 595 break; 596 } 597 598 err = uplcom_set_line_coding(sc, &ls); 599 if (err) { 600 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 601 return (EIO); 602 } 603 604 if (ISSET(t->c_cflag, CRTSCTS)) 605 uplcom_set_crtscts(sc); 606 607 if (err) { 608 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 609 return (EIO); 610 } 611 612 return (0); 613 } 614 615 int 616 uplcom_open(void *addr, int portno) 617 { 618 struct uplcom_softc *sc = addr; 619 int err; 620 621 if (sc->sc_dying) 622 return (EIO); 623 624 DPRINTF(("uplcom_open: sc=%p\n", sc)); 625 626 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 627 sc->sc_status = 0; /* clear status bit */ 628 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 629 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, 630 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, 631 sc->sc_intr_buf, sc->sc_isize, 632 uplcom_intr, USBD_DEFAULT_INTERVAL); 633 if (err) { 634 DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n", 635 USBDEVNAME(sc->sc_dev), sc->sc_intr_number)); 636 return (EIO); 637 } 638 } 639 640 return (0); 641 } 642 643 void 644 uplcom_close(void *addr, int portno) 645 { 646 struct uplcom_softc *sc = addr; 647 int err; 648 649 if (sc->sc_dying) 650 return; 651 652 DPRINTF(("uplcom_close: close\n")); 653 654 if (sc->sc_intr_pipe != NULL) { 655 err = usbd_abort_pipe(sc->sc_intr_pipe); 656 if (err) 657 printf("%s: abort interrupt pipe failed: %s\n", 658 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 659 err = usbd_close_pipe(sc->sc_intr_pipe); 660 if (err) 661 printf("%s: close interrupt pipe failed: %s\n", 662 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 663 free(sc->sc_intr_buf, M_USBDEV); 664 sc->sc_intr_pipe = NULL; 665 } 666 } 667 668 void 669 uplcom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 670 { 671 struct uplcom_softc *sc = priv; 672 u_char *buf = sc->sc_intr_buf; 673 u_char pstatus; 674 675 if (sc->sc_dying) 676 return; 677 678 if (status != USBD_NORMAL_COMPLETION) { 679 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 680 return; 681 682 DPRINTF(("%s: abnormal status: %s\n", USBDEVNAME(sc->sc_dev), 683 usbd_errstr(status))); 684 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 685 return; 686 } 687 688 DPRINTF(("%s: uplcom status = %02x\n", USBDEVNAME(sc->sc_dev), buf[8])); 689 690 sc->sc_lsr = sc->sc_msr = 0; 691 pstatus = buf[8]; 692 if (ISSET(pstatus, RSAQ_STATUS_DSR)) 693 sc->sc_msr |= UMSR_DSR; 694 if (ISSET(pstatus, RSAQ_STATUS_DCD)) 695 sc->sc_msr |= UMSR_DCD; 696 ucom_status_change((struct ucom_softc *) sc->sc_subdev); 697 } 698 699 void 700 uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 701 { 702 struct uplcom_softc *sc = addr; 703 704 DPRINTF(("uplcom_get_status:\n")); 705 706 if (lsr != NULL) 707 *lsr = sc->sc_lsr; 708 if (msr != NULL) 709 *msr = sc->sc_msr; 710 } 711 712 #if TODO 713 int 714 uplcom_ioctl(void *addr, int portno, u_long cmd, caddr_t data, int flag, 715 usb_proc_ptr p) 716 { 717 struct uplcom_softc *sc = addr; 718 int error = 0; 719 720 if (sc->sc_dying) 721 return (EIO); 722 723 DPRINTF(("uplcom_ioctl: cmd=0x%08lx\n", cmd)); 724 725 switch (cmd) { 726 case TIOCNOTTY: 727 case TIOCMGET: 728 case TIOCMSET: 729 case USB_GET_CM_OVER_DATA: 730 case USB_SET_CM_OVER_DATA: 731 break; 732 733 default: 734 DPRINTF(("uplcom_ioctl: unknown\n")); 735 error = ENOTTY; 736 break; 737 } 738 739 return (error); 740 } 741 #endif 742
Indexes created Sun Sep 28 16:09:52 GMT 2025