uplcom.c revision 1.36
1 /* $NetBSD: uplcom.c,v 1.36 2004/04/23 17:25:26 itojun 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 1.36 2004/04/23 17:25:26 itojun 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/device.h> 57 #include <sys/poll.h> 58 59 #include <dev/usb/usb.h> 60 #include <dev/usb/usbcdc.h> 61 62 #include <dev/usb/usbdi.h> 63 #include <dev/usb/usbdi_util.h> 64 #include <dev/usb/usbdevs.h> 65 #include <dev/usb/usb_quirks.h> 66 67 #include <dev/usb/usbdevs.h> 68 #include <dev/usb/ucomvar.h> 69 70 #ifdef UPLCOM_DEBUG 71 #define DPRINTFN(n, x) if (uplcomdebug > (n)) logprintf x 72 int uplcomdebug = 0; 73 #else 74 #define DPRINTFN(n, x) 75 #endif 76 #define DPRINTF(x) DPRINTFN(0, x) 77 78 #define UPLCOM_CONFIG_INDEX 0 79 #define UPLCOM_IFACE_INDEX 0 80 #define UPLCOM_SECOND_IFACE_INDEX 1 81 82 #define UPLCOM_SET_REQUEST 0x01 83 #define UPLCOM_SET_CRTSCTS 0x41 84 #define RSAQ_STATUS_DSR 0x02 85 #define RSAQ_STATUS_DCD 0x01 86 87 struct uplcom_softc { 88 USBBASEDEVICE sc_dev; /* base device */ 89 usbd_device_handle sc_udev; /* USB device */ 90 usbd_interface_handle sc_iface; /* interface */ 91 int sc_iface_number; /* interface number */ 92 93 usbd_interface_handle sc_intr_iface; /* interrupt interface */ 94 int sc_intr_number; /* interrupt number */ 95 usbd_pipe_handle sc_intr_pipe; /* interrupt pipe */ 96 u_char *sc_intr_buf; /* interrupt buffer */ 97 int sc_isize; 98 99 usb_cdc_line_state_t sc_line_state; /* current line state */ 100 u_char sc_dtr; /* current DTR state */ 101 u_char sc_rts; /* current RTS state */ 102 u_char sc_status; 103 104 device_ptr_t sc_subdev; /* ucom device */ 105 106 u_char sc_dying; /* disconnecting */ 107 108 u_char sc_lsr; /* Local status register */ 109 u_char sc_msr; /* uplcom status register */ 110 }; 111 112 /* 113 * These are the maximum number of bytes transferred per frame. 114 * The output buffer size cannot be increased due to the size encoding. 115 */ 116 #define UPLCOMIBUFSIZE 256 117 #define UPLCOMOBUFSIZE 256 118 119 Static usbd_status uplcom_reset(struct uplcom_softc *); 120 Static usbd_status uplcom_set_line_coding(struct uplcom_softc *sc, 121 usb_cdc_line_state_t *state); 122 Static usbd_status uplcom_set_crtscts(struct uplcom_softc *); 123 Static void uplcom_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 124 125 Static void uplcom_set(void *, int, int, int); 126 Static void uplcom_dtr(struct uplcom_softc *, int); 127 Static void uplcom_rts(struct uplcom_softc *, int); 128 Static void uplcom_break(struct uplcom_softc *, int); 129 Static void uplcom_set_line_state(struct uplcom_softc *); 130 Static void uplcom_get_status(void *, int portno, u_char *lsr, u_char *msr); 131 #if TODO 132 Static int uplcom_ioctl(void *, int, u_long, caddr_t, int, usb_proc_ptr ); 133 #endif 134 Static int uplcom_param(void *, int, struct termios *); 135 Static int uplcom_open(void *, int); 136 Static void uplcom_close(void *, int); 137 138 struct ucom_methods uplcom_methods = { 139 uplcom_get_status, 140 uplcom_set, 141 uplcom_param, 142 NULL, /* uplcom_ioctl, TODO */ 143 uplcom_open, 144 uplcom_close, 145 NULL, 146 NULL, 147 }; 148 149 static const struct usb_devno uplcom_devs[] = { 150 /* I/O DATA USB-RSAQ2 */ 151 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ2 }, 152 /* I/O DATA USB-RSAQ */ 153 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ }, 154 /* PLANEX USB-RS232 URS-03 */ 155 { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC232A }, 156 /* IOGEAR/ATEN UC-232A */ 157 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303 }, 158 /* IOGEAR/ATENTRIPPLITE */ 159 { USB_VENDOR_TRIPPLITE, USB_PRODUCT_TRIPPLITE_U209 }, 160 /* ELECOM UC-SGT */ 161 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT }, 162 /* RATOC REX-USB60 */ 163 { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60 }, 164 /* TDK USB-PHS Adapter UHA6400 */ 165 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UHA6400 }, 166 /* TDK USB-PDC Adapter UPA9664 */ 167 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UPA9664 }, 168 /* Sony Ericsson USB Cable */ 169 { USB_VENDOR_SONYERICSSON, USB_PRODUCT_SONYERICSSON_DCU10 }, 170 /* SOURCENEXT KeikaiDenwa 8 */ 171 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8 }, 172 /* SOURCENEXT KeikaiDenwa 8 with charger */ 173 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8_CHG }, 174 /* HAL Corporation Crossam2+USB */ 175 { USB_VENDOR_HAL, USB_PRODUCT_HAL_IMR001 }, 176 }; 177 #define uplcom_lookup(v, p) usb_lookup(uplcom_devs, v, p) 178 179 180 USB_DECLARE_DRIVER(uplcom); 181 182 USB_MATCH(uplcom) 183 { 184 USB_MATCH_START(uplcom, uaa); 185 186 if (uaa->iface != NULL) 187 return (UMATCH_NONE); 188 189 return (uplcom_lookup(uaa->vendor, uaa->product) != NULL ? 190 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 191 } 192 193 USB_ATTACH(uplcom) 194 { 195 USB_ATTACH_START(uplcom, sc, uaa); 196 usbd_device_handle dev = uaa->device; 197 usb_config_descriptor_t *cdesc; 198 usb_interface_descriptor_t *id; 199 usb_endpoint_descriptor_t *ed; 200 201 char devinfo[1024]; 202 char *devname = USBDEVNAME(sc->sc_dev); 203 usbd_status err; 204 int i; 205 struct ucom_attach_args uca; 206 207 usbd_devinfo(dev, 0, devinfo, sizeof(devinfo)); 208 USB_ATTACH_SETUP; 209 printf("%s: %s\n", devname, devinfo); 210 211 sc->sc_udev = dev; 212 213 DPRINTF(("\n\nuplcom attach: sc=%p\n", sc)); 214 215 /* initialize endpoints */ 216 uca.bulkin = uca.bulkout = -1; 217 sc->sc_intr_number = -1; 218 sc->sc_intr_pipe = NULL; 219 220 /* Move the device into the configured state. */ 221 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); 222 if (err) { 223 printf("\n%s: failed to set configuration, err=%s\n", 224 devname, usbd_errstr(err)); 225 sc->sc_dying = 1; 226 USB_ATTACH_ERROR_RETURN; 227 } 228 229 /* get the config descriptor */ 230 cdesc = usbd_get_config_descriptor(sc->sc_udev); 231 232 if (cdesc == NULL) { 233 printf("%s: failed to get configuration descriptor\n", 234 USBDEVNAME(sc->sc_dev)); 235 sc->sc_dying = 1; 236 USB_ATTACH_ERROR_RETURN; 237 } 238 239 /* get the (first/common) interface */ 240 err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX, 241 &sc->sc_iface); 242 if (err) { 243 printf("\n%s: failed to get interface, err=%s\n", 244 devname, usbd_errstr(err)); 245 sc->sc_dying = 1; 246 USB_ATTACH_ERROR_RETURN; 247 } 248 249 /* Find the interrupt endpoints */ 250 251 id = usbd_get_interface_descriptor(sc->sc_iface); 252 sc->sc_iface_number = id->bInterfaceNumber; 253 254 for (i = 0; i < id->bNumEndpoints; i++) { 255 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 256 if (ed == NULL) { 257 printf("%s: no endpoint descriptor for %d\n", 258 USBDEVNAME(sc->sc_dev), i); 259 sc->sc_dying = 1; 260 USB_ATTACH_ERROR_RETURN; 261 } 262 263 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 264 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 265 sc->sc_intr_number = ed->bEndpointAddress; 266 sc->sc_isize = UGETW(ed->wMaxPacketSize); 267 } 268 } 269 270 if (sc->sc_intr_number== -1) { 271 printf("%s: Could not find interrupt in\n", 272 USBDEVNAME(sc->sc_dev)); 273 sc->sc_dying = 1; 274 USB_ATTACH_ERROR_RETURN; 275 } 276 277 /* keep interface for interrupt */ 278 sc->sc_intr_iface = sc->sc_iface; 279 280 /* 281 * USB-RSAQ1 has two interface 282 * 283 * USB-RSAQ1 | USB-RSAQ2 284 * -----------------+----------------- 285 * Interface 0 |Interface 0 286 * Interrupt(0x81) | Interrupt(0x81) 287 * -----------------+ BulkIN(0x02) 288 * Interface 1 | BulkOUT(0x83) 289 * BulkIN(0x02) | 290 * BulkOUT(0x83) | 291 */ 292 if (cdesc->bNumInterface == 2) { 293 err = usbd_device2interface_handle(dev, 294 UPLCOM_SECOND_IFACE_INDEX, &sc->sc_iface); 295 if (err) { 296 printf("\n%s: failed to get second interface, err=%s\n", 297 devname, usbd_errstr(err)); 298 sc->sc_dying = 1; 299 USB_ATTACH_ERROR_RETURN; 300 } 301 } 302 303 /* Find the bulk{in,out} endpoints */ 304 305 id = usbd_get_interface_descriptor(sc->sc_iface); 306 sc->sc_iface_number = id->bInterfaceNumber; 307 308 for (i = 0; i < id->bNumEndpoints; i++) { 309 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 310 if (ed == NULL) { 311 printf("%s: no endpoint descriptor for %d\n", 312 USBDEVNAME(sc->sc_dev), i); 313 sc->sc_dying = 1; 314 USB_ATTACH_ERROR_RETURN; 315 } 316 317 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 318 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 319 uca.bulkin = ed->bEndpointAddress; 320 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 321 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 322 uca.bulkout = ed->bEndpointAddress; 323 } 324 } 325 326 if (uca.bulkin == -1) { 327 printf("%s: Could not find data bulk in\n", 328 USBDEVNAME(sc->sc_dev)); 329 sc->sc_dying = 1; 330 USB_ATTACH_ERROR_RETURN; 331 } 332 333 if (uca.bulkout == -1) { 334 printf("%s: Could not find data bulk out\n", 335 USBDEVNAME(sc->sc_dev)); 336 sc->sc_dying = 1; 337 USB_ATTACH_ERROR_RETURN; 338 } 339 340 sc->sc_dtr = sc->sc_rts = 0; 341 uca.portno = UCOM_UNK_PORTNO; 342 /* bulkin, bulkout set above */ 343 uca.ibufsize = UPLCOMIBUFSIZE; 344 uca.obufsize = UPLCOMOBUFSIZE; 345 uca.ibufsizepad = UPLCOMIBUFSIZE; 346 uca.opkthdrlen = 0; 347 uca.device = dev; 348 uca.iface = sc->sc_iface; 349 uca.methods = &uplcom_methods; 350 uca.arg = sc; 351 uca.info = NULL; 352 353 err = uplcom_reset(sc); 354 355 if (err) { 356 printf("%s: reset failed, %s\n", USBDEVNAME(sc->sc_dev), 357 usbd_errstr(err)); 358 sc->sc_dying = 1; 359 USB_ATTACH_ERROR_RETURN; 360 } 361 362 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 363 USBDEV(sc->sc_dev)); 364 365 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 366 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 367 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); 368 369 USB_ATTACH_SUCCESS_RETURN; 370 } 371 372 USB_DETACH(uplcom) 373 { 374 USB_DETACH_START(uplcom, sc); 375 int rv = 0; 376 377 DPRINTF(("uplcom_detach: sc=%p flags=%d\n", sc, flags)); 378 379 if (sc->sc_intr_pipe != NULL) { 380 usbd_abort_pipe(sc->sc_intr_pipe); 381 usbd_close_pipe(sc->sc_intr_pipe); 382 free(sc->sc_intr_buf, M_USBDEV); 383 sc->sc_intr_pipe = NULL; 384 } 385 386 sc->sc_dying = 1; 387 if (sc->sc_subdev != NULL) { 388 rv = config_detach(sc->sc_subdev, flags); 389 sc->sc_subdev = NULL; 390 } 391 392 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 393 USBDEV(sc->sc_dev)); 394 395 return (rv); 396 } 397 398 int 399 uplcom_activate(device_ptr_t self, enum devact act) 400 { 401 struct uplcom_softc *sc = (struct uplcom_softc *)self; 402 int rv = 0; 403 404 switch (act) { 405 case DVACT_ACTIVATE: 406 return (EOPNOTSUPP); 407 408 case DVACT_DEACTIVATE: 409 if (sc->sc_subdev != NULL) 410 rv = config_deactivate(sc->sc_subdev); 411 sc->sc_dying = 1; 412 break; 413 } 414 return (rv); 415 } 416 417 usbd_status 418 uplcom_reset(struct uplcom_softc *sc) 419 { 420 usb_device_request_t req; 421 usbd_status err; 422 423 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 424 req.bRequest = UPLCOM_SET_REQUEST; 425 USETW(req.wValue, 0); 426 USETW(req.wIndex, sc->sc_iface_number); 427 USETW(req.wLength, 0); 428 429 err = usbd_do_request(sc->sc_udev, &req, 0); 430 if (err) 431 return (EIO); 432 433 return (0); 434 } 435 436 void 437 uplcom_set_line_state(struct uplcom_softc *sc) 438 { 439 usb_device_request_t req; 440 int ls; 441 442 ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) | 443 (sc->sc_rts ? UCDC_LINE_RTS : 0); 444 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 445 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 446 USETW(req.wValue, ls); 447 USETW(req.wIndex, sc->sc_iface_number); 448 USETW(req.wLength, 0); 449 450 (void)usbd_do_request(sc->sc_udev, &req, 0); 451 452 } 453 454 void 455 uplcom_set(void *addr, int portno, int reg, int onoff) 456 { 457 struct uplcom_softc *sc = addr; 458 459 switch (reg) { 460 case UCOM_SET_DTR: 461 uplcom_dtr(sc, onoff); 462 break; 463 case UCOM_SET_RTS: 464 uplcom_rts(sc, onoff); 465 break; 466 case UCOM_SET_BREAK: 467 uplcom_break(sc, onoff); 468 break; 469 default: 470 break; 471 } 472 } 473 474 void 475 uplcom_dtr(struct uplcom_softc *sc, int onoff) 476 { 477 478 DPRINTF(("uplcom_dtr: onoff=%d\n", onoff)); 479 480 if (sc->sc_dtr == onoff) 481 return; 482 sc->sc_dtr = onoff; 483 484 uplcom_set_line_state(sc); 485 } 486 487 void 488 uplcom_rts(struct uplcom_softc *sc, int onoff) 489 { 490 DPRINTF(("uplcom_rts: onoff=%d\n", onoff)); 491 492 if (sc->sc_rts == onoff) 493 return; 494 sc->sc_rts = onoff; 495 496 uplcom_set_line_state(sc); 497 } 498 499 void 500 uplcom_break(struct uplcom_softc *sc, int onoff) 501 { 502 usb_device_request_t req; 503 504 DPRINTF(("uplcom_break: onoff=%d\n", onoff)); 505 506 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 507 req.bRequest = UCDC_SEND_BREAK; 508 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 509 USETW(req.wIndex, sc->sc_iface_number); 510 USETW(req.wLength, 0); 511 512 (void)usbd_do_request(sc->sc_udev, &req, 0); 513 } 514 515 usbd_status 516 uplcom_set_crtscts(struct uplcom_softc *sc) 517 { 518 usb_device_request_t req; 519 usbd_status err; 520 521 DPRINTF(("uplcom_set_crtscts: on\n")); 522 523 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 524 req.bRequest = UPLCOM_SET_REQUEST; 525 USETW(req.wValue, 0); 526 USETW(req.wIndex, UPLCOM_SET_CRTSCTS); 527 USETW(req.wLength, 0); 528 529 err = usbd_do_request(sc->sc_udev, &req, 0); 530 if (err) { 531 DPRINTF(("uplcom_set_crtscts: failed, err=%s\n", 532 usbd_errstr(err))); 533 return (err); 534 } 535 536 return (USBD_NORMAL_COMPLETION); 537 } 538 539 usbd_status 540 uplcom_set_line_coding(struct uplcom_softc *sc, usb_cdc_line_state_t *state) 541 { 542 usb_device_request_t req; 543 usbd_status err; 544 545 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n", 546 UGETDW(state->dwDTERate), state->bCharFormat, 547 state->bParityType, state->bDataBits)); 548 549 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { 550 DPRINTF(("uplcom_set_line_coding: already set\n")); 551 return (USBD_NORMAL_COMPLETION); 552 } 553 554 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 555 req.bRequest = UCDC_SET_LINE_CODING; 556 USETW(req.wValue, 0); 557 USETW(req.wIndex, sc->sc_iface_number); 558 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 559 560 err = usbd_do_request(sc->sc_udev, &req, state); 561 if (err) { 562 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n", 563 usbd_errstr(err))); 564 return (err); 565 } 566 567 sc->sc_line_state = *state; 568 569 return (USBD_NORMAL_COMPLETION); 570 } 571 572 int 573 uplcom_param(void *addr, int portno, struct termios *t) 574 { 575 struct uplcom_softc *sc = addr; 576 usbd_status err; 577 usb_cdc_line_state_t ls; 578 579 DPRINTF(("uplcom_param: sc=%p\n", sc)); 580 581 USETDW(ls.dwDTERate, t->c_ospeed); 582 if (ISSET(t->c_cflag, CSTOPB)) 583 ls.bCharFormat = UCDC_STOP_BIT_2; 584 else 585 ls.bCharFormat = UCDC_STOP_BIT_1; 586 if (ISSET(t->c_cflag, PARENB)) { 587 if (ISSET(t->c_cflag, PARODD)) 588 ls.bParityType = UCDC_PARITY_ODD; 589 else 590 ls.bParityType = UCDC_PARITY_EVEN; 591 } else 592 ls.bParityType = UCDC_PARITY_NONE; 593 switch (ISSET(t->c_cflag, CSIZE)) { 594 case CS5: 595 ls.bDataBits = 5; 596 break; 597 case CS6: 598 ls.bDataBits = 6; 599 break; 600 case CS7: 601 ls.bDataBits = 7; 602 break; 603 case CS8: 604 ls.bDataBits = 8; 605 break; 606 } 607 608 err = uplcom_set_line_coding(sc, &ls); 609 if (err) { 610 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 611 return (EIO); 612 } 613 614 if (ISSET(t->c_cflag, CRTSCTS)) 615 uplcom_set_crtscts(sc); 616 617 if (err) { 618 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 619 return (EIO); 620 } 621 622 return (0); 623 } 624 625 int 626 uplcom_open(void *addr, int portno) 627 { 628 struct uplcom_softc *sc = addr; 629 int err; 630 631 if (sc->sc_dying) 632 return (EIO); 633 634 DPRINTF(("uplcom_open: sc=%p\n", sc)); 635 636 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 637 sc->sc_status = 0; /* clear status bit */ 638 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 639 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, 640 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, 641 sc->sc_intr_buf, sc->sc_isize, 642 uplcom_intr, USBD_DEFAULT_INTERVAL); 643 if (err) { 644 DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n", 645 USBDEVNAME(sc->sc_dev), sc->sc_intr_number)); 646 return (EIO); 647 } 648 } 649 650 return (0); 651 } 652 653 void 654 uplcom_close(void *addr, int portno) 655 { 656 struct uplcom_softc *sc = addr; 657 int err; 658 659 if (sc->sc_dying) 660 return; 661 662 DPRINTF(("uplcom_close: close\n")); 663 664 if (sc->sc_intr_pipe != NULL) { 665 err = usbd_abort_pipe(sc->sc_intr_pipe); 666 if (err) 667 printf("%s: abort interrupt pipe failed: %s\n", 668 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 669 err = usbd_close_pipe(sc->sc_intr_pipe); 670 if (err) 671 printf("%s: close interrupt pipe failed: %s\n", 672 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 673 free(sc->sc_intr_buf, M_USBDEV); 674 sc->sc_intr_pipe = NULL; 675 } 676 } 677 678 void 679 uplcom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 680 { 681 struct uplcom_softc *sc = priv; 682 u_char *buf = sc->sc_intr_buf; 683 u_char pstatus; 684 685 if (sc->sc_dying) 686 return; 687 688 if (status != USBD_NORMAL_COMPLETION) { 689 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 690 return; 691 692 DPRINTF(("%s: abnormal status: %s\n", USBDEVNAME(sc->sc_dev), 693 usbd_errstr(status))); 694 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 695 return; 696 } 697 698 DPRINTF(("%s: uplcom status = %02x\n", USBDEVNAME(sc->sc_dev), buf[8])); 699 700 sc->sc_lsr = sc->sc_msr = 0; 701 pstatus = buf[8]; 702 if (ISSET(pstatus, RSAQ_STATUS_DSR)) 703 sc->sc_msr |= UMSR_DSR; 704 if (ISSET(pstatus, RSAQ_STATUS_DCD)) 705 sc->sc_msr |= UMSR_DCD; 706 ucom_status_change((struct ucom_softc *) sc->sc_subdev); 707 } 708 709 void 710 uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 711 { 712 struct uplcom_softc *sc = addr; 713 714 DPRINTF(("uplcom_get_status:\n")); 715 716 if (lsr != NULL) 717 *lsr = sc->sc_lsr; 718 if (msr != NULL) 719 *msr = sc->sc_msr; 720 } 721 722 #if TODO 723 int 724 uplcom_ioctl(void *addr, int portno, u_long cmd, caddr_t data, int flag, 725 usb_proc_ptr p) 726 { 727 struct uplcom_softc *sc = addr; 728 int error = 0; 729 730 if (sc->sc_dying) 731 return (EIO); 732 733 DPRINTF(("uplcom_ioctl: cmd=0x%08lx\n", cmd)); 734 735 switch (cmd) { 736 case TIOCNOTTY: 737 case TIOCMGET: 738 case TIOCMSET: 739 case USB_GET_CM_OVER_DATA: 740 case USB_SET_CM_OVER_DATA: 741 break; 742 743 default: 744 DPRINTF(("uplcom_ioctl: unknown\n")); 745 error = ENOTTY; 746 break; 747 } 748 749 return (error); 750 } 751 #endif 752
Indexes created Sat Sep 27 14:09:57 GMT 2025