uplcom.c revision 1.28
1 /* $NetBSD: uplcom.c,v 1.28 2002/07/11 21:14:33 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 1.28 2002/07/11 21:14:33 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, 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 /* TDK USB-PHS Adapter UHA6400 */ 167 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UHA6400 }, 168 /* TDK USB-PDC Adapter UPA9664 */ 169 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UPA9664 }, 170 }; 171 #define uplcom_lookup(v, p) usb_lookup(uplcom_devs, v, p) 172 173 USB_DECLARE_DRIVER(uplcom); 174 175 USB_MATCH(uplcom) 176 { 177 USB_MATCH_START(uplcom, uaa); 178 179 if (uaa->iface != NULL) 180 return (UMATCH_NONE); 181 182 return (uplcom_lookup(uaa->vendor, uaa->product) != NULL ? 183 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 184 } 185 186 USB_ATTACH(uplcom) 187 { 188 USB_ATTACH_START(uplcom, sc, uaa); 189 usbd_device_handle dev = uaa->device; 190 usb_config_descriptor_t *cdesc; 191 usb_interface_descriptor_t *id; 192 usb_endpoint_descriptor_t *ed; 193 194 char devinfo[1024]; 195 char *devname = USBDEVNAME(sc->sc_dev); 196 usbd_status err; 197 int i; 198 struct ucom_attach_args uca; 199 200 usbd_devinfo(dev, 0, devinfo); 201 USB_ATTACH_SETUP; 202 printf("%s: %s\n", devname, devinfo); 203 204 sc->sc_udev = dev; 205 206 DPRINTF(("\n\nuplcom attach: sc=%p\n", sc)); 207 208 /* initialize endpoints */ 209 uca.bulkin = uca.bulkout = -1; 210 sc->sc_intr_number = -1; 211 sc->sc_intr_pipe = NULL; 212 213 /* Move the device into the configured state. */ 214 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); 215 if (err) { 216 printf("\n%s: failed to set configuration, err=%s\n", 217 devname, usbd_errstr(err)); 218 sc->sc_dying = 1; 219 USB_ATTACH_ERROR_RETURN; 220 } 221 222 /* get the config descriptor */ 223 cdesc = usbd_get_config_descriptor(sc->sc_udev); 224 225 if (cdesc == NULL) { 226 printf("%s: failed to get configuration descriptor\n", 227 USBDEVNAME(sc->sc_dev)); 228 sc->sc_dying = 1; 229 USB_ATTACH_ERROR_RETURN; 230 } 231 232 /* get the (first/common) interface */ 233 err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX, 234 &sc->sc_iface); 235 if (err) { 236 printf("\n%s: failed to get interface, err=%s\n", 237 devname, usbd_errstr(err)); 238 sc->sc_dying = 1; 239 USB_ATTACH_ERROR_RETURN; 240 } 241 242 /* Find the interrupt endpoints */ 243 244 id = usbd_get_interface_descriptor(sc->sc_iface); 245 sc->sc_iface_number = id->bInterfaceNumber; 246 247 for (i = 0; i < id->bNumEndpoints; i++) { 248 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 249 if (ed == NULL) { 250 printf("%s: no endpoint descriptor for %d\n", 251 USBDEVNAME(sc->sc_dev), i); 252 sc->sc_dying = 1; 253 USB_ATTACH_ERROR_RETURN; 254 } 255 256 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 257 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 258 sc->sc_intr_number = ed->bEndpointAddress; 259 sc->sc_isize = UGETW(ed->wMaxPacketSize); 260 } 261 } 262 263 if (sc->sc_intr_number== -1) { 264 printf("%s: Could not find interrupt in\n", 265 USBDEVNAME(sc->sc_dev)); 266 sc->sc_dying = 1; 267 USB_ATTACH_ERROR_RETURN; 268 } 269 270 /* keep interface for interrupt */ 271 sc->sc_intr_iface = sc->sc_iface; 272 273 /* 274 * USB-RSAQ1 has two interface 275 * 276 * USB-RSAQ1 | USB-RSAQ2 277 * -----------------+----------------- 278 * Interface 0 |Interface 0 279 * Interrupt(0x81) | Interrupt(0x81) 280 * -----------------+ BulkIN(0x02) 281 * Interface 1 | BulkOUT(0x83) 282 * BulkIN(0x02) | 283 * BulkOUT(0x83) | 284 */ 285 if (cdesc->bNumInterface == 2) { 286 err = usbd_device2interface_handle(dev, 287 UPLCOM_SECOND_IFACE_INDEX, &sc->sc_iface); 288 if (err) { 289 printf("\n%s: failed to get second interface, err=%s\n", 290 devname, usbd_errstr(err)); 291 sc->sc_dying = 1; 292 USB_ATTACH_ERROR_RETURN; 293 } 294 } 295 296 /* Find the bulk{in,out} endpoints */ 297 298 id = usbd_get_interface_descriptor(sc->sc_iface); 299 sc->sc_iface_number = id->bInterfaceNumber; 300 301 for (i = 0; i < id->bNumEndpoints; i++) { 302 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 303 if (ed == NULL) { 304 printf("%s: no endpoint descriptor for %d\n", 305 USBDEVNAME(sc->sc_dev), i); 306 sc->sc_dying = 1; 307 USB_ATTACH_ERROR_RETURN; 308 } 309 310 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 311 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 312 uca.bulkin = ed->bEndpointAddress; 313 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 314 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 315 uca.bulkout = ed->bEndpointAddress; 316 } 317 } 318 319 if (uca.bulkin == -1) { 320 printf("%s: Could not find data bulk in\n", 321 USBDEVNAME(sc->sc_dev)); 322 sc->sc_dying = 1; 323 USB_ATTACH_ERROR_RETURN; 324 } 325 326 if (uca.bulkout == -1) { 327 printf("%s: Could not find data bulk out\n", 328 USBDEVNAME(sc->sc_dev)); 329 sc->sc_dying = 1; 330 USB_ATTACH_ERROR_RETURN; 331 } 332 333 sc->sc_dtr = sc->sc_rts = -1; 334 uca.portno = UCOM_UNK_PORTNO; 335 /* bulkin, bulkout set above */ 336 uca.ibufsize = UPLCOMIBUFSIZE; 337 uca.obufsize = UPLCOMOBUFSIZE; 338 uca.ibufsizepad = UPLCOMIBUFSIZE; 339 uca.opkthdrlen = 0; 340 uca.device = dev; 341 uca.iface = sc->sc_iface; 342 uca.methods = &uplcom_methods; 343 uca.arg = sc; 344 uca.info = NULL; 345 346 err = uplcom_reset(sc); 347 348 if (err) { 349 printf("%s: reset failed, %s\n", USBDEVNAME(sc->sc_dev), 350 usbd_errstr(err)); 351 sc->sc_dying = 1; 352 USB_ATTACH_ERROR_RETURN; 353 } 354 355 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 356 USBDEV(sc->sc_dev)); 357 358 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 359 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 360 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); 361 362 USB_ATTACH_SUCCESS_RETURN; 363 } 364 365 USB_DETACH(uplcom) 366 { 367 USB_DETACH_START(uplcom, sc); 368 int rv = 0; 369 370 DPRINTF(("uplcom_detach: sc=%p flags=%d\n", sc, flags)); 371 372 if (sc->sc_intr_pipe != NULL) { 373 usbd_abort_pipe(sc->sc_intr_pipe); 374 usbd_close_pipe(sc->sc_intr_pipe); 375 free(sc->sc_intr_buf, M_USBDEV); 376 sc->sc_intr_pipe = NULL; 377 } 378 379 sc->sc_dying = 1; 380 if (sc->sc_subdev != NULL) { 381 rv = config_detach(sc->sc_subdev, flags); 382 sc->sc_subdev = NULL; 383 } 384 385 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 386 USBDEV(sc->sc_dev)); 387 388 return (rv); 389 } 390 391 int 392 uplcom_activate(device_ptr_t self, enum devact act) 393 { 394 struct uplcom_softc *sc = (struct uplcom_softc *)self; 395 int rv = 0; 396 397 switch (act) { 398 case DVACT_ACTIVATE: 399 return (EOPNOTSUPP); 400 break; 401 402 case DVACT_DEACTIVATE: 403 if (sc->sc_subdev != NULL) 404 rv = config_deactivate(sc->sc_subdev); 405 sc->sc_dying = 1; 406 break; 407 } 408 return (rv); 409 } 410 411 usbd_status 412 uplcom_reset(struct uplcom_softc *sc) 413 { 414 usb_device_request_t req; 415 usbd_status err; 416 417 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 418 req.bRequest = UPLCOM_SET_REQUEST; 419 USETW(req.wValue, 0); 420 USETW(req.wIndex, sc->sc_iface_number); 421 USETW(req.wLength, 0); 422 423 err = usbd_do_request(sc->sc_udev, &req, 0); 424 if (err) 425 return (EIO); 426 427 return (0); 428 } 429 430 void 431 uplcom_set_line_state(struct uplcom_softc *sc) 432 { 433 usb_device_request_t req; 434 int ls; 435 436 ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) | 437 (sc->sc_rts ? UCDC_LINE_RTS : 0); 438 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 439 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 440 USETW(req.wValue, ls); 441 USETW(req.wIndex, sc->sc_iface_number); 442 USETW(req.wLength, 0); 443 444 (void)usbd_do_request(sc->sc_udev, &req, 0); 445 446 } 447 448 void 449 uplcom_set(void *addr, int portno, int reg, int onoff) 450 { 451 struct uplcom_softc *sc = addr; 452 453 switch (reg) { 454 case UCOM_SET_DTR: 455 uplcom_dtr(sc, onoff); 456 break; 457 case UCOM_SET_RTS: 458 uplcom_rts(sc, onoff); 459 break; 460 case UCOM_SET_BREAK: 461 uplcom_break(sc, onoff); 462 break; 463 default: 464 break; 465 } 466 } 467 468 void 469 uplcom_dtr(struct uplcom_softc *sc, int onoff) 470 { 471 472 DPRINTF(("uplcom_dtr: onoff=%d\n", onoff)); 473 474 if (sc->sc_dtr == onoff) 475 return; 476 sc->sc_dtr = onoff; 477 478 uplcom_set_line_state(sc); 479 } 480 481 void 482 uplcom_rts(struct uplcom_softc *sc, int onoff) 483 { 484 DPRINTF(("uplcom_rts: onoff=%d\n", onoff)); 485 486 if (sc->sc_rts == onoff) 487 return; 488 sc->sc_rts = onoff; 489 490 uplcom_set_line_state(sc); 491 } 492 493 void 494 uplcom_break(struct uplcom_softc *sc, int onoff) 495 { 496 usb_device_request_t req; 497 498 DPRINTF(("uplcom_break: onoff=%d\n", onoff)); 499 500 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 501 req.bRequest = UCDC_SEND_BREAK; 502 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 503 USETW(req.wIndex, sc->sc_iface_number); 504 USETW(req.wLength, 0); 505 506 (void)usbd_do_request(sc->sc_udev, &req, 0); 507 } 508 509 usbd_status 510 uplcom_set_crtscts(struct uplcom_softc *sc) 511 { 512 usb_device_request_t req; 513 usbd_status err; 514 515 DPRINTF(("uplcom_set_crtscts: on\n")); 516 517 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 518 req.bRequest = UPLCOM_SET_REQUEST; 519 USETW(req.wValue, 0); 520 USETW(req.wIndex, UPLCOM_SET_CRTSCTS); 521 USETW(req.wLength, 0); 522 523 err = usbd_do_request(sc->sc_udev, &req, 0); 524 if (err) { 525 DPRINTF(("uplcom_set_crtscts: failed, err=%s\n", 526 usbd_errstr(err))); 527 return (err); 528 } 529 530 return (USBD_NORMAL_COMPLETION); 531 } 532 533 usbd_status 534 uplcom_set_line_coding(struct uplcom_softc *sc, usb_cdc_line_state_t *state) 535 { 536 usb_device_request_t req; 537 usbd_status err; 538 539 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n", 540 UGETDW(state->dwDTERate), state->bCharFormat, 541 state->bParityType, state->bDataBits)); 542 543 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { 544 DPRINTF(("uplcom_set_line_coding: already set\n")); 545 return (USBD_NORMAL_COMPLETION); 546 } 547 548 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 549 req.bRequest = UCDC_SET_LINE_CODING; 550 USETW(req.wValue, 0); 551 USETW(req.wIndex, sc->sc_iface_number); 552 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 553 554 err = usbd_do_request(sc->sc_udev, &req, state); 555 if (err) { 556 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n", 557 usbd_errstr(err))); 558 return (err); 559 } 560 561 sc->sc_line_state = *state; 562 563 return (USBD_NORMAL_COMPLETION); 564 } 565 566 int 567 uplcom_param(void *addr, int portno, struct termios *t) 568 { 569 struct uplcom_softc *sc = addr; 570 usbd_status err; 571 usb_cdc_line_state_t ls; 572 573 DPRINTF(("uplcom_param: sc=%p\n", sc)); 574 575 USETDW(ls.dwDTERate, t->c_ospeed); 576 if (ISSET(t->c_cflag, CSTOPB)) 577 ls.bCharFormat = UCDC_STOP_BIT_2; 578 else 579 ls.bCharFormat = UCDC_STOP_BIT_1; 580 if (ISSET(t->c_cflag, PARENB)) { 581 if (ISSET(t->c_cflag, PARODD)) 582 ls.bParityType = UCDC_PARITY_ODD; 583 else 584 ls.bParityType = UCDC_PARITY_EVEN; 585 } else 586 ls.bParityType = UCDC_PARITY_NONE; 587 switch (ISSET(t->c_cflag, CSIZE)) { 588 case CS5: 589 ls.bDataBits = 5; 590 break; 591 case CS6: 592 ls.bDataBits = 6; 593 break; 594 case CS7: 595 ls.bDataBits = 7; 596 break; 597 case CS8: 598 ls.bDataBits = 8; 599 break; 600 } 601 602 err = uplcom_set_line_coding(sc, &ls); 603 if (err) { 604 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 605 return (EIO); 606 } 607 608 if (ISSET(t->c_cflag, CRTSCTS)) 609 uplcom_set_crtscts(sc); 610 611 if (err) { 612 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 613 return (EIO); 614 } 615 616 return (0); 617 } 618 619 int 620 uplcom_open(void *addr, int portno) 621 { 622 struct uplcom_softc *sc = addr; 623 int err; 624 625 if (sc->sc_dying) 626 return (EIO); 627 628 DPRINTF(("uplcom_open: sc=%p\n", sc)); 629 630 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 631 sc->sc_status = 0; /* clear status bit */ 632 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 633 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, 634 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, 635 sc->sc_intr_buf, sc->sc_isize, 636 uplcom_intr, USBD_DEFAULT_INTERVAL); 637 if (err) { 638 DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n", 639 USBDEVNAME(sc->sc_dev), sc->sc_intr_number)); 640 return (EIO); 641 } 642 } 643 644 return (0); 645 } 646 647 void 648 uplcom_close(void *addr, int portno) 649 { 650 struct uplcom_softc *sc = addr; 651 int err; 652 653 if (sc->sc_dying) 654 return; 655 656 DPRINTF(("uplcom_close: close\n")); 657 658 if (sc->sc_intr_pipe != NULL) { 659 err = usbd_abort_pipe(sc->sc_intr_pipe); 660 if (err) 661 printf("%s: abort interrupt pipe failed: %s\n", 662 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 663 err = usbd_close_pipe(sc->sc_intr_pipe); 664 if (err) 665 printf("%s: close interrupt pipe failed: %s\n", 666 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 667 free(sc->sc_intr_buf, M_USBDEV); 668 sc->sc_intr_pipe = NULL; 669 } 670 } 671 672 void 673 uplcom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 674 { 675 struct uplcom_softc *sc = priv; 676 u_char *buf = sc->sc_intr_buf; 677 u_char pstatus; 678 679 if (sc->sc_dying) 680 return; 681 682 if (status != USBD_NORMAL_COMPLETION) { 683 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 684 return; 685 686 DPRINTF(("%s: abnormal status: %s\n", USBDEVNAME(sc->sc_dev), 687 usbd_errstr(status))); 688 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 689 return; 690 } 691 692 DPRINTF(("%s: uplcom status = %02x\n", USBDEVNAME(sc->sc_dev), buf[8])); 693 694 sc->sc_lsr = sc->sc_msr = 0; 695 pstatus = buf[8]; 696 if (ISSET(pstatus, RSAQ_STATUS_DSR)) 697 sc->sc_msr |= UMSR_DSR; 698 if (ISSET(pstatus, RSAQ_STATUS_DCD)) 699 sc->sc_msr |= UMSR_DCD; 700 ucom_status_change((struct ucom_softc *) sc->sc_subdev); 701 } 702 703 void 704 uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 705 { 706 struct uplcom_softc *sc = addr; 707 708 DPRINTF(("uplcom_get_status:\n")); 709 710 if (lsr != NULL) 711 *lsr = sc->sc_lsr; 712 if (msr != NULL) 713 *msr = sc->sc_msr; 714 } 715 716 #if TODO 717 int 718 uplcom_ioctl(void *addr, int portno, u_long cmd, caddr_t data, int flag, 719 usb_proc_ptr p) 720 { 721 struct uplcom_softc *sc = addr; 722 int error = 0; 723 724 if (sc->sc_dying) 725 return (EIO); 726 727 DPRINTF(("uplcom_ioctl: cmd=0x%08lx\n", cmd)); 728 729 switch (cmd) { 730 case TIOCNOTTY: 731 case TIOCMGET: 732 case TIOCMSET: 733 case USB_GET_CM_OVER_DATA: 734 case USB_SET_CM_OVER_DATA: 735 break; 736 737 default: 738 DPRINTF(("uplcom_ioctl: unknown\n")); 739 error = ENOTTY; 740 break; 741 } 742 743 return (error); 744 } 745 #endif 746
Indexes created Fri Sep 26 20:09:58 GMT 2025