uplcom.c revision 1.31
1 /* $NetBSD: uplcom.c,v 1.31 2003/11/10 09:02:08 wiz 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 1.31 2003/11/10 09:02:08 wiz 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 }; 170 #define uplcom_lookup(v, p) usb_lookup(uplcom_devs, v, p) 171 172 USB_DECLARE_DRIVER(uplcom); 173 174 USB_MATCH(uplcom) 175 { 176 USB_MATCH_START(uplcom, uaa); 177 178 if (uaa->iface != NULL) 179 return (UMATCH_NONE); 180 181 return (uplcom_lookup(uaa->vendor, uaa->product) != NULL ? 182 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 183 } 184 185 USB_ATTACH(uplcom) 186 { 187 USB_ATTACH_START(uplcom, sc, uaa); 188 usbd_device_handle dev = uaa->device; 189 usb_config_descriptor_t *cdesc; 190 usb_interface_descriptor_t *id; 191 usb_endpoint_descriptor_t *ed; 192 193 char devinfo[1024]; 194 char *devname = USBDEVNAME(sc->sc_dev); 195 usbd_status err; 196 int i; 197 struct ucom_attach_args uca; 198 199 usbd_devinfo(dev, 0, devinfo); 200 USB_ATTACH_SETUP; 201 printf("%s: %s\n", devname, devinfo); 202 203 sc->sc_udev = dev; 204 205 DPRINTF(("\n\nuplcom attach: sc=%p\n", sc)); 206 207 /* initialize endpoints */ 208 uca.bulkin = uca.bulkout = -1; 209 sc->sc_intr_number = -1; 210 sc->sc_intr_pipe = NULL; 211 212 /* Move the device into the configured state. */ 213 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); 214 if (err) { 215 printf("\n%s: failed to set configuration, err=%s\n", 216 devname, usbd_errstr(err)); 217 sc->sc_dying = 1; 218 USB_ATTACH_ERROR_RETURN; 219 } 220 221 /* get the config descriptor */ 222 cdesc = usbd_get_config_descriptor(sc->sc_udev); 223 224 if (cdesc == NULL) { 225 printf("%s: failed to get configuration descriptor\n", 226 USBDEVNAME(sc->sc_dev)); 227 sc->sc_dying = 1; 228 USB_ATTACH_ERROR_RETURN; 229 } 230 231 /* get the (first/common) interface */ 232 err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX, 233 &sc->sc_iface); 234 if (err) { 235 printf("\n%s: failed to get interface, err=%s\n", 236 devname, usbd_errstr(err)); 237 sc->sc_dying = 1; 238 USB_ATTACH_ERROR_RETURN; 239 } 240 241 /* Find the interrupt endpoints */ 242 243 id = usbd_get_interface_descriptor(sc->sc_iface); 244 sc->sc_iface_number = id->bInterfaceNumber; 245 246 for (i = 0; i < id->bNumEndpoints; i++) { 247 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 248 if (ed == NULL) { 249 printf("%s: no endpoint descriptor for %d\n", 250 USBDEVNAME(sc->sc_dev), i); 251 sc->sc_dying = 1; 252 USB_ATTACH_ERROR_RETURN; 253 } 254 255 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 256 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 257 sc->sc_intr_number = ed->bEndpointAddress; 258 sc->sc_isize = UGETW(ed->wMaxPacketSize); 259 } 260 } 261 262 if (sc->sc_intr_number== -1) { 263 printf("%s: Could not find interrupt in\n", 264 USBDEVNAME(sc->sc_dev)); 265 sc->sc_dying = 1; 266 USB_ATTACH_ERROR_RETURN; 267 } 268 269 /* keep interface for interrupt */ 270 sc->sc_intr_iface = sc->sc_iface; 271 272 /* 273 * USB-RSAQ1 has two interface 274 * 275 * USB-RSAQ1 | USB-RSAQ2 276 * -----------------+----------------- 277 * Interface 0 |Interface 0 278 * Interrupt(0x81) | Interrupt(0x81) 279 * -----------------+ BulkIN(0x02) 280 * Interface 1 | BulkOUT(0x83) 281 * BulkIN(0x02) | 282 * BulkOUT(0x83) | 283 */ 284 if (cdesc->bNumInterface == 2) { 285 err = usbd_device2interface_handle(dev, 286 UPLCOM_SECOND_IFACE_INDEX, &sc->sc_iface); 287 if (err) { 288 printf("\n%s: failed to get second interface, err=%s\n", 289 devname, usbd_errstr(err)); 290 sc->sc_dying = 1; 291 USB_ATTACH_ERROR_RETURN; 292 } 293 } 294 295 /* Find the bulk{in,out} endpoints */ 296 297 id = usbd_get_interface_descriptor(sc->sc_iface); 298 sc->sc_iface_number = id->bInterfaceNumber; 299 300 for (i = 0; i < id->bNumEndpoints; i++) { 301 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 302 if (ed == NULL) { 303 printf("%s: no endpoint descriptor for %d\n", 304 USBDEVNAME(sc->sc_dev), i); 305 sc->sc_dying = 1; 306 USB_ATTACH_ERROR_RETURN; 307 } 308 309 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 310 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 311 uca.bulkin = ed->bEndpointAddress; 312 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 313 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 314 uca.bulkout = ed->bEndpointAddress; 315 } 316 } 317 318 if (uca.bulkin == -1) { 319 printf("%s: Could not find data bulk in\n", 320 USBDEVNAME(sc->sc_dev)); 321 sc->sc_dying = 1; 322 USB_ATTACH_ERROR_RETURN; 323 } 324 325 if (uca.bulkout == -1) { 326 printf("%s: Could not find data bulk out\n", 327 USBDEVNAME(sc->sc_dev)); 328 sc->sc_dying = 1; 329 USB_ATTACH_ERROR_RETURN; 330 } 331 332 sc->sc_dtr = sc->sc_rts = -1; 333 uca.portno = UCOM_UNK_PORTNO; 334 /* bulkin, bulkout set above */ 335 uca.ibufsize = UPLCOMIBUFSIZE; 336 uca.obufsize = UPLCOMOBUFSIZE; 337 uca.ibufsizepad = UPLCOMIBUFSIZE; 338 uca.opkthdrlen = 0; 339 uca.device = dev; 340 uca.iface = sc->sc_iface; 341 uca.methods = &uplcom_methods; 342 uca.arg = sc; 343 uca.info = NULL; 344 345 err = uplcom_reset(sc); 346 347 if (err) { 348 printf("%s: reset failed, %s\n", USBDEVNAME(sc->sc_dev), 349 usbd_errstr(err)); 350 sc->sc_dying = 1; 351 USB_ATTACH_ERROR_RETURN; 352 } 353 354 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 355 USBDEV(sc->sc_dev)); 356 357 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 358 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 359 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); 360 361 USB_ATTACH_SUCCESS_RETURN; 362 } 363 364 USB_DETACH(uplcom) 365 { 366 USB_DETACH_START(uplcom, sc); 367 int rv = 0; 368 369 DPRINTF(("uplcom_detach: sc=%p flags=%d\n", sc, flags)); 370 371 if (sc->sc_intr_pipe != NULL) { 372 usbd_abort_pipe(sc->sc_intr_pipe); 373 usbd_close_pipe(sc->sc_intr_pipe); 374 free(sc->sc_intr_buf, M_USBDEV); 375 sc->sc_intr_pipe = NULL; 376 } 377 378 sc->sc_dying = 1; 379 if (sc->sc_subdev != NULL) { 380 rv = config_detach(sc->sc_subdev, flags); 381 sc->sc_subdev = NULL; 382 } 383 384 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 385 USBDEV(sc->sc_dev)); 386 387 return (rv); 388 } 389 390 int 391 uplcom_activate(device_ptr_t self, enum devact act) 392 { 393 struct uplcom_softc *sc = (struct uplcom_softc *)self; 394 int rv = 0; 395 396 switch (act) { 397 case DVACT_ACTIVATE: 398 return (EOPNOTSUPP); 399 400 case DVACT_DEACTIVATE: 401 if (sc->sc_subdev != NULL) 402 rv = config_deactivate(sc->sc_subdev); 403 sc->sc_dying = 1; 404 break; 405 } 406 return (rv); 407 } 408 409 usbd_status 410 uplcom_reset(struct uplcom_softc *sc) 411 { 412 usb_device_request_t req; 413 usbd_status err; 414 415 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 416 req.bRequest = UPLCOM_SET_REQUEST; 417 USETW(req.wValue, 0); 418 USETW(req.wIndex, sc->sc_iface_number); 419 USETW(req.wLength, 0); 420 421 err = usbd_do_request(sc->sc_udev, &req, 0); 422 if (err) 423 return (EIO); 424 425 return (0); 426 } 427 428 void 429 uplcom_set_line_state(struct uplcom_softc *sc) 430 { 431 usb_device_request_t req; 432 int ls; 433 434 ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) | 435 (sc->sc_rts ? UCDC_LINE_RTS : 0); 436 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 437 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 438 USETW(req.wValue, ls); 439 USETW(req.wIndex, sc->sc_iface_number); 440 USETW(req.wLength, 0); 441 442 (void)usbd_do_request(sc->sc_udev, &req, 0); 443 444 } 445 446 void 447 uplcom_set(void *addr, int portno, int reg, int onoff) 448 { 449 struct uplcom_softc *sc = addr; 450 451 switch (reg) { 452 case UCOM_SET_DTR: 453 uplcom_dtr(sc, onoff); 454 break; 455 case UCOM_SET_RTS: 456 uplcom_rts(sc, onoff); 457 break; 458 case UCOM_SET_BREAK: 459 uplcom_break(sc, onoff); 460 break; 461 default: 462 break; 463 } 464 } 465 466 void 467 uplcom_dtr(struct uplcom_softc *sc, int onoff) 468 { 469 470 DPRINTF(("uplcom_dtr: onoff=%d\n", onoff)); 471 472 if (sc->sc_dtr == onoff) 473 return; 474 sc->sc_dtr = onoff; 475 476 uplcom_set_line_state(sc); 477 } 478 479 void 480 uplcom_rts(struct uplcom_softc *sc, int onoff) 481 { 482 DPRINTF(("uplcom_rts: onoff=%d\n", onoff)); 483 484 if (sc->sc_rts == onoff) 485 return; 486 sc->sc_rts = onoff; 487 488 uplcom_set_line_state(sc); 489 } 490 491 void 492 uplcom_break(struct uplcom_softc *sc, int onoff) 493 { 494 usb_device_request_t req; 495 496 DPRINTF(("uplcom_break: onoff=%d\n", onoff)); 497 498 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 499 req.bRequest = UCDC_SEND_BREAK; 500 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 501 USETW(req.wIndex, sc->sc_iface_number); 502 USETW(req.wLength, 0); 503 504 (void)usbd_do_request(sc->sc_udev, &req, 0); 505 } 506 507 usbd_status 508 uplcom_set_crtscts(struct uplcom_softc *sc) 509 { 510 usb_device_request_t req; 511 usbd_status err; 512 513 DPRINTF(("uplcom_set_crtscts: on\n")); 514 515 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 516 req.bRequest = UPLCOM_SET_REQUEST; 517 USETW(req.wValue, 0); 518 USETW(req.wIndex, UPLCOM_SET_CRTSCTS); 519 USETW(req.wLength, 0); 520 521 err = usbd_do_request(sc->sc_udev, &req, 0); 522 if (err) { 523 DPRINTF(("uplcom_set_crtscts: failed, err=%s\n", 524 usbd_errstr(err))); 525 return (err); 526 } 527 528 return (USBD_NORMAL_COMPLETION); 529 } 530 531 usbd_status 532 uplcom_set_line_coding(struct uplcom_softc *sc, usb_cdc_line_state_t *state) 533 { 534 usb_device_request_t req; 535 usbd_status err; 536 537 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n", 538 UGETDW(state->dwDTERate), state->bCharFormat, 539 state->bParityType, state->bDataBits)); 540 541 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { 542 DPRINTF(("uplcom_set_line_coding: already set\n")); 543 return (USBD_NORMAL_COMPLETION); 544 } 545 546 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 547 req.bRequest = UCDC_SET_LINE_CODING; 548 USETW(req.wValue, 0); 549 USETW(req.wIndex, sc->sc_iface_number); 550 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 551 552 err = usbd_do_request(sc->sc_udev, &req, state); 553 if (err) { 554 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n", 555 usbd_errstr(err))); 556 return (err); 557 } 558 559 sc->sc_line_state = *state; 560 561 return (USBD_NORMAL_COMPLETION); 562 } 563 564 int 565 uplcom_param(void *addr, int portno, struct termios *t) 566 { 567 struct uplcom_softc *sc = addr; 568 usbd_status err; 569 usb_cdc_line_state_t ls; 570 571 DPRINTF(("uplcom_param: sc=%p\n", sc)); 572 573 USETDW(ls.dwDTERate, t->c_ospeed); 574 if (ISSET(t->c_cflag, CSTOPB)) 575 ls.bCharFormat = UCDC_STOP_BIT_2; 576 else 577 ls.bCharFormat = UCDC_STOP_BIT_1; 578 if (ISSET(t->c_cflag, PARENB)) { 579 if (ISSET(t->c_cflag, PARODD)) 580 ls.bParityType = UCDC_PARITY_ODD; 581 else 582 ls.bParityType = UCDC_PARITY_EVEN; 583 } else 584 ls.bParityType = UCDC_PARITY_NONE; 585 switch (ISSET(t->c_cflag, CSIZE)) { 586 case CS5: 587 ls.bDataBits = 5; 588 break; 589 case CS6: 590 ls.bDataBits = 6; 591 break; 592 case CS7: 593 ls.bDataBits = 7; 594 break; 595 case CS8: 596 ls.bDataBits = 8; 597 break; 598 } 599 600 err = uplcom_set_line_coding(sc, &ls); 601 if (err) { 602 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 603 return (EIO); 604 } 605 606 if (ISSET(t->c_cflag, CRTSCTS)) 607 uplcom_set_crtscts(sc); 608 609 if (err) { 610 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 611 return (EIO); 612 } 613 614 return (0); 615 } 616 617 int 618 uplcom_open(void *addr, int portno) 619 { 620 struct uplcom_softc *sc = addr; 621 int err; 622 623 if (sc->sc_dying) 624 return (EIO); 625 626 DPRINTF(("uplcom_open: sc=%p\n", sc)); 627 628 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 629 sc->sc_status = 0; /* clear status bit */ 630 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 631 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, 632 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, 633 sc->sc_intr_buf, sc->sc_isize, 634 uplcom_intr, USBD_DEFAULT_INTERVAL); 635 if (err) { 636 DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n", 637 USBDEVNAME(sc->sc_dev), sc->sc_intr_number)); 638 return (EIO); 639 } 640 } 641 642 return (0); 643 } 644 645 void 646 uplcom_close(void *addr, int portno) 647 { 648 struct uplcom_softc *sc = addr; 649 int err; 650 651 if (sc->sc_dying) 652 return; 653 654 DPRINTF(("uplcom_close: close\n")); 655 656 if (sc->sc_intr_pipe != NULL) { 657 err = usbd_abort_pipe(sc->sc_intr_pipe); 658 if (err) 659 printf("%s: abort interrupt pipe failed: %s\n", 660 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 661 err = usbd_close_pipe(sc->sc_intr_pipe); 662 if (err) 663 printf("%s: close interrupt pipe failed: %s\n", 664 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 665 free(sc->sc_intr_buf, M_USBDEV); 666 sc->sc_intr_pipe = NULL; 667 } 668 } 669 670 void 671 uplcom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 672 { 673 struct uplcom_softc *sc = priv; 674 u_char *buf = sc->sc_intr_buf; 675 u_char pstatus; 676 677 if (sc->sc_dying) 678 return; 679 680 if (status != USBD_NORMAL_COMPLETION) { 681 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 682 return; 683 684 DPRINTF(("%s: abnormal status: %s\n", USBDEVNAME(sc->sc_dev), 685 usbd_errstr(status))); 686 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 687 return; 688 } 689 690 DPRINTF(("%s: uplcom status = %02x\n", USBDEVNAME(sc->sc_dev), buf[8])); 691 692 sc->sc_lsr = sc->sc_msr = 0; 693 pstatus = buf[8]; 694 if (ISSET(pstatus, RSAQ_STATUS_DSR)) 695 sc->sc_msr |= UMSR_DSR; 696 if (ISSET(pstatus, RSAQ_STATUS_DCD)) 697 sc->sc_msr |= UMSR_DCD; 698 ucom_status_change((struct ucom_softc *) sc->sc_subdev); 699 } 700 701 void 702 uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 703 { 704 struct uplcom_softc *sc = addr; 705 706 DPRINTF(("uplcom_get_status:\n")); 707 708 if (lsr != NULL) 709 *lsr = sc->sc_lsr; 710 if (msr != NULL) 711 *msr = sc->sc_msr; 712 } 713 714 #if TODO 715 int 716 uplcom_ioctl(void *addr, int portno, u_long cmd, caddr_t data, int flag, 717 usb_proc_ptr p) 718 { 719 struct uplcom_softc *sc = addr; 720 int error = 0; 721 722 if (sc->sc_dying) 723 return (EIO); 724 725 DPRINTF(("uplcom_ioctl: cmd=0x%08lx\n", cmd)); 726 727 switch (cmd) { 728 case TIOCNOTTY: 729 case TIOCMGET: 730 case TIOCMSET: 731 case USB_GET_CM_OVER_DATA: 732 case USB_SET_CM_OVER_DATA: 733 break; 734 735 default: 736 DPRINTF(("uplcom_ioctl: unknown\n")); 737 error = ENOTTY; 738 break; 739 } 740 741 return (error); 742 } 743 #endif 744
Indexes created Fri Sep 26 20:09:58 GMT 2025