uplcom.c revision 1.30
1 /* $NetBSD: uplcom.c,v 1.30 2003/08/11 08:16:34 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 1.30 2003/08/11 08:16:34 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 /* Sony Ericsson USB Cable */ 171 { USB_VENDOR_SONYERICSSON, USB_PRODUCT_SONYERICSSON_DCU10 }, 172 }; 173 #define uplcom_lookup(v, p) usb_lookup(uplcom_devs, v, p) 174 175 USB_DECLARE_DRIVER(uplcom); 176 177 USB_MATCH(uplcom) 178 { 179 USB_MATCH_START(uplcom, uaa); 180 181 if (uaa->iface != NULL) 182 return (UMATCH_NONE); 183 184 return (uplcom_lookup(uaa->vendor, uaa->product) != NULL ? 185 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 186 } 187 188 USB_ATTACH(uplcom) 189 { 190 USB_ATTACH_START(uplcom, sc, uaa); 191 usbd_device_handle dev = uaa->device; 192 usb_config_descriptor_t *cdesc; 193 usb_interface_descriptor_t *id; 194 usb_endpoint_descriptor_t *ed; 195 196 char devinfo[1024]; 197 char *devname = USBDEVNAME(sc->sc_dev); 198 usbd_status err; 199 int i; 200 struct ucom_attach_args uca; 201 202 usbd_devinfo(dev, 0, devinfo); 203 USB_ATTACH_SETUP; 204 printf("%s: %s\n", devname, devinfo); 205 206 sc->sc_udev = dev; 207 208 DPRINTF(("\n\nuplcom attach: sc=%p\n", sc)); 209 210 /* initialize endpoints */ 211 uca.bulkin = uca.bulkout = -1; 212 sc->sc_intr_number = -1; 213 sc->sc_intr_pipe = NULL; 214 215 /* Move the device into the configured state. */ 216 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); 217 if (err) { 218 printf("\n%s: failed to set configuration, err=%s\n", 219 devname, usbd_errstr(err)); 220 sc->sc_dying = 1; 221 USB_ATTACH_ERROR_RETURN; 222 } 223 224 /* get the config descriptor */ 225 cdesc = usbd_get_config_descriptor(sc->sc_udev); 226 227 if (cdesc == NULL) { 228 printf("%s: failed to get configuration descriptor\n", 229 USBDEVNAME(sc->sc_dev)); 230 sc->sc_dying = 1; 231 USB_ATTACH_ERROR_RETURN; 232 } 233 234 /* get the (first/common) interface */ 235 err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX, 236 &sc->sc_iface); 237 if (err) { 238 printf("\n%s: failed to get interface, err=%s\n", 239 devname, usbd_errstr(err)); 240 sc->sc_dying = 1; 241 USB_ATTACH_ERROR_RETURN; 242 } 243 244 /* Find the interrupt endpoints */ 245 246 id = usbd_get_interface_descriptor(sc->sc_iface); 247 sc->sc_iface_number = id->bInterfaceNumber; 248 249 for (i = 0; i < id->bNumEndpoints; i++) { 250 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 251 if (ed == NULL) { 252 printf("%s: no endpoint descriptor for %d\n", 253 USBDEVNAME(sc->sc_dev), i); 254 sc->sc_dying = 1; 255 USB_ATTACH_ERROR_RETURN; 256 } 257 258 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 259 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 260 sc->sc_intr_number = ed->bEndpointAddress; 261 sc->sc_isize = UGETW(ed->wMaxPacketSize); 262 } 263 } 264 265 if (sc->sc_intr_number== -1) { 266 printf("%s: Could not find interrupt in\n", 267 USBDEVNAME(sc->sc_dev)); 268 sc->sc_dying = 1; 269 USB_ATTACH_ERROR_RETURN; 270 } 271 272 /* keep interface for interrupt */ 273 sc->sc_intr_iface = sc->sc_iface; 274 275 /* 276 * USB-RSAQ1 has two interface 277 * 278 * USB-RSAQ1 | USB-RSAQ2 279 * -----------------+----------------- 280 * Interface 0 |Interface 0 281 * Interrupt(0x81) | Interrupt(0x81) 282 * -----------------+ BulkIN(0x02) 283 * Interface 1 | BulkOUT(0x83) 284 * BulkIN(0x02) | 285 * BulkOUT(0x83) | 286 */ 287 if (cdesc->bNumInterface == 2) { 288 err = usbd_device2interface_handle(dev, 289 UPLCOM_SECOND_IFACE_INDEX, &sc->sc_iface); 290 if (err) { 291 printf("\n%s: failed to get second interface, err=%s\n", 292 devname, usbd_errstr(err)); 293 sc->sc_dying = 1; 294 USB_ATTACH_ERROR_RETURN; 295 } 296 } 297 298 /* Find the bulk{in,out} endpoints */ 299 300 id = usbd_get_interface_descriptor(sc->sc_iface); 301 sc->sc_iface_number = id->bInterfaceNumber; 302 303 for (i = 0; i < id->bNumEndpoints; i++) { 304 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 305 if (ed == NULL) { 306 printf("%s: no endpoint descriptor for %d\n", 307 USBDEVNAME(sc->sc_dev), i); 308 sc->sc_dying = 1; 309 USB_ATTACH_ERROR_RETURN; 310 } 311 312 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 313 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 314 uca.bulkin = ed->bEndpointAddress; 315 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 316 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 317 uca.bulkout = ed->bEndpointAddress; 318 } 319 } 320 321 if (uca.bulkin == -1) { 322 printf("%s: Could not find data bulk in\n", 323 USBDEVNAME(sc->sc_dev)); 324 sc->sc_dying = 1; 325 USB_ATTACH_ERROR_RETURN; 326 } 327 328 if (uca.bulkout == -1) { 329 printf("%s: Could not find data bulk out\n", 330 USBDEVNAME(sc->sc_dev)); 331 sc->sc_dying = 1; 332 USB_ATTACH_ERROR_RETURN; 333 } 334 335 sc->sc_dtr = sc->sc_rts = -1; 336 uca.portno = UCOM_UNK_PORTNO; 337 /* bulkin, bulkout set above */ 338 uca.ibufsize = UPLCOMIBUFSIZE; 339 uca.obufsize = UPLCOMOBUFSIZE; 340 uca.ibufsizepad = UPLCOMIBUFSIZE; 341 uca.opkthdrlen = 0; 342 uca.device = dev; 343 uca.iface = sc->sc_iface; 344 uca.methods = &uplcom_methods; 345 uca.arg = sc; 346 uca.info = NULL; 347 348 err = uplcom_reset(sc); 349 350 if (err) { 351 printf("%s: reset failed, %s\n", USBDEVNAME(sc->sc_dev), 352 usbd_errstr(err)); 353 sc->sc_dying = 1; 354 USB_ATTACH_ERROR_RETURN; 355 } 356 357 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 358 USBDEV(sc->sc_dev)); 359 360 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 361 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 362 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); 363 364 USB_ATTACH_SUCCESS_RETURN; 365 } 366 367 USB_DETACH(uplcom) 368 { 369 USB_DETACH_START(uplcom, sc); 370 int rv = 0; 371 372 DPRINTF(("uplcom_detach: sc=%p flags=%d\n", sc, flags)); 373 374 if (sc->sc_intr_pipe != NULL) { 375 usbd_abort_pipe(sc->sc_intr_pipe); 376 usbd_close_pipe(sc->sc_intr_pipe); 377 free(sc->sc_intr_buf, M_USBDEV); 378 sc->sc_intr_pipe = NULL; 379 } 380 381 sc->sc_dying = 1; 382 if (sc->sc_subdev != NULL) { 383 rv = config_detach(sc->sc_subdev, flags); 384 sc->sc_subdev = NULL; 385 } 386 387 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 388 USBDEV(sc->sc_dev)); 389 390 return (rv); 391 } 392 393 int 394 uplcom_activate(device_ptr_t self, enum devact act) 395 { 396 struct uplcom_softc *sc = (struct uplcom_softc *)self; 397 int rv = 0; 398 399 switch (act) { 400 case DVACT_ACTIVATE: 401 return (EOPNOTSUPP); 402 403 case DVACT_DEACTIVATE: 404 if (sc->sc_subdev != NULL) 405 rv = config_deactivate(sc->sc_subdev); 406 sc->sc_dying = 1; 407 break; 408 } 409 return (rv); 410 } 411 412 usbd_status 413 uplcom_reset(struct uplcom_softc *sc) 414 { 415 usb_device_request_t req; 416 usbd_status err; 417 418 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 419 req.bRequest = UPLCOM_SET_REQUEST; 420 USETW(req.wValue, 0); 421 USETW(req.wIndex, sc->sc_iface_number); 422 USETW(req.wLength, 0); 423 424 err = usbd_do_request(sc->sc_udev, &req, 0); 425 if (err) 426 return (EIO); 427 428 return (0); 429 } 430 431 void 432 uplcom_set_line_state(struct uplcom_softc *sc) 433 { 434 usb_device_request_t req; 435 int ls; 436 437 ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) | 438 (sc->sc_rts ? UCDC_LINE_RTS : 0); 439 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 440 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 441 USETW(req.wValue, ls); 442 USETW(req.wIndex, sc->sc_iface_number); 443 USETW(req.wLength, 0); 444 445 (void)usbd_do_request(sc->sc_udev, &req, 0); 446 447 } 448 449 void 450 uplcom_set(void *addr, int portno, int reg, int onoff) 451 { 452 struct uplcom_softc *sc = addr; 453 454 switch (reg) { 455 case UCOM_SET_DTR: 456 uplcom_dtr(sc, onoff); 457 break; 458 case UCOM_SET_RTS: 459 uplcom_rts(sc, onoff); 460 break; 461 case UCOM_SET_BREAK: 462 uplcom_break(sc, onoff); 463 break; 464 default: 465 break; 466 } 467 } 468 469 void 470 uplcom_dtr(struct uplcom_softc *sc, int onoff) 471 { 472 473 DPRINTF(("uplcom_dtr: onoff=%d\n", onoff)); 474 475 if (sc->sc_dtr == onoff) 476 return; 477 sc->sc_dtr = onoff; 478 479 uplcom_set_line_state(sc); 480 } 481 482 void 483 uplcom_rts(struct uplcom_softc *sc, int onoff) 484 { 485 DPRINTF(("uplcom_rts: onoff=%d\n", onoff)); 486 487 if (sc->sc_rts == onoff) 488 return; 489 sc->sc_rts = onoff; 490 491 uplcom_set_line_state(sc); 492 } 493 494 void 495 uplcom_break(struct uplcom_softc *sc, int onoff) 496 { 497 usb_device_request_t req; 498 499 DPRINTF(("uplcom_break: onoff=%d\n", onoff)); 500 501 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 502 req.bRequest = UCDC_SEND_BREAK; 503 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 504 USETW(req.wIndex, sc->sc_iface_number); 505 USETW(req.wLength, 0); 506 507 (void)usbd_do_request(sc->sc_udev, &req, 0); 508 } 509 510 usbd_status 511 uplcom_set_crtscts(struct uplcom_softc *sc) 512 { 513 usb_device_request_t req; 514 usbd_status err; 515 516 DPRINTF(("uplcom_set_crtscts: on\n")); 517 518 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 519 req.bRequest = UPLCOM_SET_REQUEST; 520 USETW(req.wValue, 0); 521 USETW(req.wIndex, UPLCOM_SET_CRTSCTS); 522 USETW(req.wLength, 0); 523 524 err = usbd_do_request(sc->sc_udev, &req, 0); 525 if (err) { 526 DPRINTF(("uplcom_set_crtscts: failed, err=%s\n", 527 usbd_errstr(err))); 528 return (err); 529 } 530 531 return (USBD_NORMAL_COMPLETION); 532 } 533 534 usbd_status 535 uplcom_set_line_coding(struct uplcom_softc *sc, usb_cdc_line_state_t *state) 536 { 537 usb_device_request_t req; 538 usbd_status err; 539 540 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n", 541 UGETDW(state->dwDTERate), state->bCharFormat, 542 state->bParityType, state->bDataBits)); 543 544 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { 545 DPRINTF(("uplcom_set_line_coding: already set\n")); 546 return (USBD_NORMAL_COMPLETION); 547 } 548 549 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 550 req.bRequest = UCDC_SET_LINE_CODING; 551 USETW(req.wValue, 0); 552 USETW(req.wIndex, sc->sc_iface_number); 553 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 554 555 err = usbd_do_request(sc->sc_udev, &req, state); 556 if (err) { 557 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n", 558 usbd_errstr(err))); 559 return (err); 560 } 561 562 sc->sc_line_state = *state; 563 564 return (USBD_NORMAL_COMPLETION); 565 } 566 567 int 568 uplcom_param(void *addr, int portno, struct termios *t) 569 { 570 struct uplcom_softc *sc = addr; 571 usbd_status err; 572 usb_cdc_line_state_t ls; 573 574 DPRINTF(("uplcom_param: sc=%p\n", sc)); 575 576 USETDW(ls.dwDTERate, t->c_ospeed); 577 if (ISSET(t->c_cflag, CSTOPB)) 578 ls.bCharFormat = UCDC_STOP_BIT_2; 579 else 580 ls.bCharFormat = UCDC_STOP_BIT_1; 581 if (ISSET(t->c_cflag, PARENB)) { 582 if (ISSET(t->c_cflag, PARODD)) 583 ls.bParityType = UCDC_PARITY_ODD; 584 else 585 ls.bParityType = UCDC_PARITY_EVEN; 586 } else 587 ls.bParityType = UCDC_PARITY_NONE; 588 switch (ISSET(t->c_cflag, CSIZE)) { 589 case CS5: 590 ls.bDataBits = 5; 591 break; 592 case CS6: 593 ls.bDataBits = 6; 594 break; 595 case CS7: 596 ls.bDataBits = 7; 597 break; 598 case CS8: 599 ls.bDataBits = 8; 600 break; 601 } 602 603 err = uplcom_set_line_coding(sc, &ls); 604 if (err) { 605 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 606 return (EIO); 607 } 608 609 if (ISSET(t->c_cflag, CRTSCTS)) 610 uplcom_set_crtscts(sc); 611 612 if (err) { 613 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 614 return (EIO); 615 } 616 617 return (0); 618 } 619 620 int 621 uplcom_open(void *addr, int portno) 622 { 623 struct uplcom_softc *sc = addr; 624 int err; 625 626 if (sc->sc_dying) 627 return (EIO); 628 629 DPRINTF(("uplcom_open: sc=%p\n", sc)); 630 631 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 632 sc->sc_status = 0; /* clear status bit */ 633 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 634 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, 635 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, 636 sc->sc_intr_buf, sc->sc_isize, 637 uplcom_intr, USBD_DEFAULT_INTERVAL); 638 if (err) { 639 DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n", 640 USBDEVNAME(sc->sc_dev), sc->sc_intr_number)); 641 return (EIO); 642 } 643 } 644 645 return (0); 646 } 647 648 void 649 uplcom_close(void *addr, int portno) 650 { 651 struct uplcom_softc *sc = addr; 652 int err; 653 654 if (sc->sc_dying) 655 return; 656 657 DPRINTF(("uplcom_close: close\n")); 658 659 if (sc->sc_intr_pipe != NULL) { 660 err = usbd_abort_pipe(sc->sc_intr_pipe); 661 if (err) 662 printf("%s: abort interrupt pipe failed: %s\n", 663 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 664 err = usbd_close_pipe(sc->sc_intr_pipe); 665 if (err) 666 printf("%s: close interrupt pipe failed: %s\n", 667 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 668 free(sc->sc_intr_buf, M_USBDEV); 669 sc->sc_intr_pipe = NULL; 670 } 671 } 672 673 void 674 uplcom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 675 { 676 struct uplcom_softc *sc = priv; 677 u_char *buf = sc->sc_intr_buf; 678 u_char pstatus; 679 680 if (sc->sc_dying) 681 return; 682 683 if (status != USBD_NORMAL_COMPLETION) { 684 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 685 return; 686 687 DPRINTF(("%s: abnormal status: %s\n", USBDEVNAME(sc->sc_dev), 688 usbd_errstr(status))); 689 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 690 return; 691 } 692 693 DPRINTF(("%s: uplcom status = %02x\n", USBDEVNAME(sc->sc_dev), buf[8])); 694 695 sc->sc_lsr = sc->sc_msr = 0; 696 pstatus = buf[8]; 697 if (ISSET(pstatus, RSAQ_STATUS_DSR)) 698 sc->sc_msr |= UMSR_DSR; 699 if (ISSET(pstatus, RSAQ_STATUS_DCD)) 700 sc->sc_msr |= UMSR_DCD; 701 ucom_status_change((struct ucom_softc *) sc->sc_subdev); 702 } 703 704 void 705 uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 706 { 707 struct uplcom_softc *sc = addr; 708 709 DPRINTF(("uplcom_get_status:\n")); 710 711 if (lsr != NULL) 712 *lsr = sc->sc_lsr; 713 if (msr != NULL) 714 *msr = sc->sc_msr; 715 } 716 717 #if TODO 718 int 719 uplcom_ioctl(void *addr, int portno, u_long cmd, caddr_t data, int flag, 720 usb_proc_ptr p) 721 { 722 struct uplcom_softc *sc = addr; 723 int error = 0; 724 725 if (sc->sc_dying) 726 return (EIO); 727 728 DPRINTF(("uplcom_ioctl: cmd=0x%08lx\n", cmd)); 729 730 switch (cmd) { 731 case TIOCNOTTY: 732 case TIOCMGET: 733 case TIOCMSET: 734 case USB_GET_CM_OVER_DATA: 735 case USB_SET_CM_OVER_DATA: 736 break; 737 738 default: 739 DPRINTF(("uplcom_ioctl: unknown\n")); 740 error = ENOTTY; 741 break; 742 } 743 744 return (error); 745 } 746 #endif 747
Indexes created Sun Sep 28 16:09:52 GMT 2025