1 /* $NetBSD: uplcom.c,v 1.58 2007/08/18 20:23:04 sborrill 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@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 1.58 2007/08/18 20:23:04 sborrill 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/ucomvar.h> 68 69 #ifdef UPLCOM_DEBUG 70 #define DPRINTFN(n, x) if (uplcomdebug > (n)) logprintf x 71 int uplcomdebug = 0; 72 #else 73 #define DPRINTFN(n, x) 74 #endif 75 #define DPRINTF(x) DPRINTFN(0, x) 76 77 #define UPLCOM_CONFIG_INDEX 0 78 #define UPLCOM_IFACE_INDEX 0 79 #define UPLCOM_SECOND_IFACE_INDEX 1 80 81 #define UPLCOM_SET_REQUEST 0x01 82 #define UPLCOM_SET_CRTSCTS_0 0x41 83 #define UPLCOM_SET_CRTSCTS_HX 0x61 84 #define RSAQ_STATUS_DSR 0x02 85 #define RSAQ_STATUS_DCD 0x01 86 87 enum pl2303_type { 88 UPLCOM_TYPE_0, 89 UPLCOM_TYPE_HX, 90 }; 91 92 struct uplcom_softc { 93 USBBASEDEVICE sc_dev; /* base device */ 94 usbd_device_handle sc_udev; /* USB device */ 95 usbd_interface_handle sc_iface; /* interface */ 96 int sc_iface_number; /* interface number */ 97 98 usbd_interface_handle sc_intr_iface; /* interrupt interface */ 99 int sc_intr_number; /* interrupt number */ 100 usbd_pipe_handle sc_intr_pipe; /* interrupt pipe */ 101 u_char *sc_intr_buf; /* interrupt buffer */ 102 int sc_isize; 103 104 usb_cdc_line_state_t sc_line_state; /* current line state */ 105 int sc_dtr; /* current DTR state */ 106 int sc_rts; /* current RTS state */ 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 enum pl2303_type sc_type; /* PL2303 chip type */ 116 }; 117 118 /* 119 * These are the maximum number of bytes transferred per frame. 120 * The output buffer size cannot be increased due to the size encoding. 121 */ 122 #define UPLCOMIBUFSIZE 256 123 #define UPLCOMOBUFSIZE 256 124 125 Static usbd_status uplcom_reset(struct uplcom_softc *); 126 Static usbd_status uplcom_set_line_coding(struct uplcom_softc *sc, 127 usb_cdc_line_state_t *state); 128 Static usbd_status uplcom_set_crtscts(struct uplcom_softc *); 129 Static void uplcom_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 130 131 Static void uplcom_set(void *, int, int, int); 132 Static void uplcom_dtr(struct uplcom_softc *, int); 133 Static void uplcom_rts(struct uplcom_softc *, int); 134 Static void uplcom_break(struct uplcom_softc *, int); 135 Static void uplcom_set_line_state(struct uplcom_softc *); 136 Static void uplcom_get_status(void *, int portno, u_char *lsr, u_char *msr); 137 #if TODO 138 Static int uplcom_ioctl(void *, int, u_long, void *, int, usb_proc_ptr ); 139 #endif 140 Static int uplcom_param(void *, int, struct termios *); 141 Static int uplcom_open(void *, int); 142 Static void uplcom_close(void *, int); 143 Static usbd_status uplcom_vendor_control_write(usbd_device_handle, u_int16_t, u_int16_t); 144 145 struct ucom_methods uplcom_methods = { 146 uplcom_get_status, 147 uplcom_set, 148 uplcom_param, 149 NULL, /* uplcom_ioctl, TODO */ 150 uplcom_open, 151 uplcom_close, 152 NULL, 153 NULL, 154 }; 155 156 static const struct usb_devno uplcom_devs[] = { 157 /* I/O DATA USB-RSAQ2 */ 158 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ2 }, 159 /* I/O DATA USB-RSAQ3 */ 160 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ3 }, 161 /* I/O DATA USB-RSAQ */ 162 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ }, 163 /* I/O DATA USB-RSAQ5 */ 164 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ5 }, 165 /* PLANEX USB-RS232 URS-03 */ 166 { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC232A }, 167 /* IOGEAR/ATEN UC-232A */ 168 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303 }, 169 /* SMART Technologies USB to serial */ 170 { USB_VENDOR_PROLIFIC2, USB_PRODUCT_PROLIFIC2_PL2303 }, 171 /* IOGEAR/ATENTRIPPLITE */ 172 { USB_VENDOR_TRIPPLITE, USB_PRODUCT_TRIPPLITE_U209 }, 173 /* ELECOM UC-SGT */ 174 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT }, 175 /* ELECOM UC-SGT0 */ 176 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT0 }, 177 /* Panasonic 50" Touch Panel */ 178 { USB_VENDOR_PANASONIC, USB_PRODUCT_PANASONIC_TYTP50P6S }, 179 /* RATOC REX-USB60 */ 180 { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60 }, 181 /* TDK USB-PHS Adapter UHA6400 */ 182 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UHA6400 }, 183 /* TDK USB-PDC Adapter UPA9664 */ 184 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UPA9664 }, 185 /* Sony Ericsson USB Cable */ 186 { USB_VENDOR_SUSTEEN, USB_PRODUCT_SUSTEEN_DCU10 }, 187 /* SOURCENEXT KeikaiDenwa 8 */ 188 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8 }, 189 /* SOURCENEXT KeikaiDenwa 8 with charger */ 190 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8_CHG }, 191 /* HAL Corporation Crossam2+USB */ 192 { USB_VENDOR_HAL, USB_PRODUCT_HAL_IMR001 }, 193 /* Sitecom USB to serial cable */ 194 { USB_VENDOR_SITECOM, USB_PRODUCT_SITECOM_CN104 }, 195 /* Pharos USB GPS - Microsoft version */ 196 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303X }, 197 /* Willcom WS002IN (DD) */ 198 { USB_VENDOR_NETINDEX, USB_PRODUCT_NETINDEX_WS002IN }, 199 }; 200 #define uplcom_lookup(v, p) usb_lookup(uplcom_devs, v, p) 201 202 static const struct { 203 uint16_t vendor; 204 uint16_t product; 205 enum pl2303_type chiptype; 206 } uplcom_devs_ext[] = { 207 /* I/O DATA USB-RSAQ3 */ 208 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ3, UPLCOM_TYPE_HX }, 209 { USB_VENDOR_NETINDEX, USB_PRODUCT_NETINDEX_WS002IN, UPLCOM_TYPE_HX }, 210 /* I/O DATA USB-RSAQ5 */ 211 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ5, UPLCOM_TYPE_HX }, 212 {0, 0, 0} 213 }; 214 215 216 USB_DECLARE_DRIVER(uplcom); 217 218 USB_MATCH(uplcom) 219 { 220 USB_MATCH_START(uplcom, uaa); 221 222 return (uplcom_lookup(uaa->vendor, uaa->product) != NULL ? 223 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 224 } 225 226 USB_ATTACH(uplcom) 227 { 228 USB_ATTACH_START(uplcom, sc, uaa); 229 usbd_device_handle dev = uaa->device; 230 usb_config_descriptor_t *cdesc; 231 usb_interface_descriptor_t *id; 232 usb_endpoint_descriptor_t *ed; 233 char *devinfop; 234 char *devname = USBDEVNAME(sc->sc_dev); 235 usbd_status err; 236 int i; 237 struct ucom_attach_args uca; 238 239 devinfop = usbd_devinfo_alloc(dev, 0); 240 USB_ATTACH_SETUP; 241 printf("%s: %s\n", devname, devinfop); 242 usbd_devinfo_free(devinfop); 243 244 sc->sc_udev = dev; 245 246 DPRINTF(("\n\nuplcom attach: sc=%p\n", sc)); 247 248 /* initialize endpoints */ 249 uca.bulkin = uca.bulkout = -1; 250 sc->sc_intr_number = -1; 251 sc->sc_intr_pipe = NULL; 252 253 /* Move the device into the configured state. */ 254 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); 255 if (err) { 256 printf("\n%s: failed to set configuration, err=%s\n", 257 devname, usbd_errstr(err)); 258 sc->sc_dying = 1; 259 USB_ATTACH_ERROR_RETURN; 260 } 261 262 /* determine chip type */ 263 for (i = 0; uplcom_devs_ext[i].vendor != 0; i++) { 264 if (uplcom_devs_ext[i].vendor == uaa->vendor && 265 uplcom_devs_ext[i].product == uaa->product) { 266 sc->sc_type = uplcom_devs_ext[i].chiptype; 267 goto chiptype_determined; 268 } 269 } 270 /* 271 * NOTE: The Linux driver distinguishes between UPLCOM_TYPE_0 272 * and UPLCOM_TYPE_1 type chips by testing other fields in the 273 * device descriptor. As far as the uplcom driver is 274 * concerned, both types are identical. 275 * The bcdDevice field should also distinguish these versions, 276 * but who knows. 277 */ 278 if (uaa->release == 0x0300) 279 sc->sc_type = UPLCOM_TYPE_HX; 280 else 281 sc->sc_type = UPLCOM_TYPE_0; 282 chiptype_determined: 283 284 /* get the config descriptor */ 285 cdesc = usbd_get_config_descriptor(sc->sc_udev); 286 287 if (cdesc == NULL) { 288 printf("%s: failed to get configuration descriptor\n", 289 USBDEVNAME(sc->sc_dev)); 290 sc->sc_dying = 1; 291 USB_ATTACH_ERROR_RETURN; 292 } 293 294 /* get the (first/common) interface */ 295 err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX, 296 &sc->sc_iface); 297 if (err) { 298 printf("\n%s: failed to get interface, err=%s\n", 299 devname, usbd_errstr(err)); 300 sc->sc_dying = 1; 301 USB_ATTACH_ERROR_RETURN; 302 } 303 304 /* Find the interrupt endpoints */ 305 306 id = usbd_get_interface_descriptor(sc->sc_iface); 307 sc->sc_iface_number = id->bInterfaceNumber; 308 309 for (i = 0; i < id->bNumEndpoints; i++) { 310 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 311 if (ed == NULL) { 312 printf("%s: no endpoint descriptor for %d\n", 313 USBDEVNAME(sc->sc_dev), i); 314 sc->sc_dying = 1; 315 USB_ATTACH_ERROR_RETURN; 316 } 317 318 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 319 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 320 sc->sc_intr_number = ed->bEndpointAddress; 321 sc->sc_isize = UGETW(ed->wMaxPacketSize); 322 } 323 } 324 325 if (sc->sc_intr_number== -1) { 326 printf("%s: Could not find interrupt in\n", 327 USBDEVNAME(sc->sc_dev)); 328 sc->sc_dying = 1; 329 USB_ATTACH_ERROR_RETURN; 330 } 331 332 /* keep interface for interrupt */ 333 sc->sc_intr_iface = sc->sc_iface; 334 335 /* 336 * USB-RSAQ1 has two interface 337 * 338 * USB-RSAQ1 | USB-RSAQ2 339 * -----------------+----------------- 340 * Interface 0 |Interface 0 341 * Interrupt(0x81) | Interrupt(0x81) 342 * -----------------+ BulkIN(0x02) 343 * Interface 1 | BulkOUT(0x83) 344 * BulkIN(0x02) | 345 * BulkOUT(0x83) | 346 */ 347 if (cdesc->bNumInterface == 2) { 348 err = usbd_device2interface_handle(dev, 349 UPLCOM_SECOND_IFACE_INDEX, &sc->sc_iface); 350 if (err) { 351 printf("\n%s: failed to get second interface, err=%s\n", 352 devname, usbd_errstr(err)); 353 sc->sc_dying = 1; 354 USB_ATTACH_ERROR_RETURN; 355 } 356 } 357 358 /* Find the bulk{in,out} endpoints */ 359 360 id = usbd_get_interface_descriptor(sc->sc_iface); 361 sc->sc_iface_number = id->bInterfaceNumber; 362 363 for (i = 0; i < id->bNumEndpoints; i++) { 364 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 365 if (ed == NULL) { 366 printf("%s: no endpoint descriptor for %d\n", 367 USBDEVNAME(sc->sc_dev), i); 368 sc->sc_dying = 1; 369 USB_ATTACH_ERROR_RETURN; 370 } 371 372 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 373 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 374 uca.bulkin = ed->bEndpointAddress; 375 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 376 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 377 uca.bulkout = ed->bEndpointAddress; 378 } 379 } 380 381 if (uca.bulkin == -1) { 382 printf("%s: Could not find data bulk in\n", 383 USBDEVNAME(sc->sc_dev)); 384 sc->sc_dying = 1; 385 USB_ATTACH_ERROR_RETURN; 386 } 387 388 if (uca.bulkout == -1) { 389 printf("%s: Could not find data bulk out\n", 390 USBDEVNAME(sc->sc_dev)); 391 sc->sc_dying = 1; 392 USB_ATTACH_ERROR_RETURN; 393 } 394 395 sc->sc_dtr = sc->sc_rts = -1; 396 uca.portno = UCOM_UNK_PORTNO; 397 /* bulkin, bulkout set above */ 398 uca.ibufsize = UPLCOMIBUFSIZE; 399 uca.obufsize = UPLCOMOBUFSIZE; 400 uca.ibufsizepad = UPLCOMIBUFSIZE; 401 uca.opkthdrlen = 0; 402 uca.device = dev; 403 uca.iface = sc->sc_iface; 404 uca.methods = &uplcom_methods; 405 uca.arg = sc; 406 uca.info = NULL; 407 408 err = uplcom_reset(sc); 409 410 if (err) { 411 printf("%s: reset failed, %s\n", USBDEVNAME(sc->sc_dev), 412 usbd_errstr(err)); 413 sc->sc_dying = 1; 414 USB_ATTACH_ERROR_RETURN; 415 } 416 417 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 418 USBDEV(sc->sc_dev)); 419 420 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 421 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 422 sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &uca, 423 ucomprint, ucomsubmatch); 424 425 USB_ATTACH_SUCCESS_RETURN; 426 } 427 428 USB_DETACH(uplcom) 429 { 430 USB_DETACH_START(uplcom, sc); 431 int rv = 0; 432 433 DPRINTF(("uplcom_detach: sc=%p flags=%d\n", sc, flags)); 434 435 if (sc->sc_intr_pipe != NULL) { 436 usbd_abort_pipe(sc->sc_intr_pipe); 437 usbd_close_pipe(sc->sc_intr_pipe); 438 free(sc->sc_intr_buf, M_USBDEV); 439 sc->sc_intr_pipe = NULL; 440 } 441 442 sc->sc_dying = 1; 443 if (sc->sc_subdev != NULL) { 444 rv = config_detach(sc->sc_subdev, flags); 445 sc->sc_subdev = NULL; 446 } 447 448 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 449 USBDEV(sc->sc_dev)); 450 451 return (rv); 452 } 453 454 int 455 uplcom_activate(device_ptr_t self, enum devact act) 456 { 457 struct uplcom_softc *sc = (struct uplcom_softc *)self; 458 int rv = 0; 459 460 switch (act) { 461 case DVACT_ACTIVATE: 462 return (EOPNOTSUPP); 463 464 case DVACT_DEACTIVATE: 465 if (sc->sc_subdev != NULL) 466 rv = config_deactivate(sc->sc_subdev); 467 sc->sc_dying = 1; 468 break; 469 } 470 return (rv); 471 } 472 473 usbd_status 474 uplcom_reset(struct uplcom_softc *sc) 475 { 476 usb_device_request_t req; 477 usbd_status err; 478 479 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 480 req.bRequest = UPLCOM_SET_REQUEST; 481 USETW(req.wValue, 0); 482 USETW(req.wIndex, sc->sc_iface_number); 483 USETW(req.wLength, 0); 484 485 err = usbd_do_request(sc->sc_udev, &req, 0); 486 if (err) 487 return (EIO); 488 489 return (0); 490 } 491 492 void 493 uplcom_set_line_state(struct uplcom_softc *sc) 494 { 495 usb_device_request_t req; 496 int ls; 497 498 /* make sure we have initialized state for sc_dtr and sc_rts */ 499 if (sc->sc_dtr == -1) 500 sc->sc_dtr = 0; 501 if (sc->sc_rts == -1) 502 sc->sc_rts = 0; 503 504 ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) | 505 (sc->sc_rts ? UCDC_LINE_RTS : 0); 506 507 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 508 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 509 USETW(req.wValue, ls); 510 USETW(req.wIndex, sc->sc_iface_number); 511 USETW(req.wLength, 0); 512 513 (void)usbd_do_request(sc->sc_udev, &req, 0); 514 } 515 516 void 517 uplcom_set(void *addr, int portno, int reg, int onoff) 518 { 519 struct uplcom_softc *sc = addr; 520 521 switch (reg) { 522 case UCOM_SET_DTR: 523 uplcom_dtr(sc, onoff); 524 break; 525 case UCOM_SET_RTS: 526 uplcom_rts(sc, onoff); 527 break; 528 case UCOM_SET_BREAK: 529 uplcom_break(sc, onoff); 530 break; 531 default: 532 break; 533 } 534 } 535 536 void 537 uplcom_dtr(struct uplcom_softc *sc, int onoff) 538 { 539 540 DPRINTF(("uplcom_dtr: onoff=%d\n", onoff)); 541 542 if (sc->sc_dtr != -1 && !sc->sc_dtr == !onoff) 543 return; 544 545 sc->sc_dtr = !!onoff; 546 547 uplcom_set_line_state(sc); 548 } 549 550 void 551 uplcom_rts(struct uplcom_softc *sc, int onoff) 552 { 553 DPRINTF(("uplcom_rts: onoff=%d\n", onoff)); 554 555 if (sc->sc_rts != -1 && !sc->sc_rts == !onoff) 556 return; 557 558 sc->sc_rts = !!onoff; 559 560 uplcom_set_line_state(sc); 561 } 562 563 void 564 uplcom_break(struct uplcom_softc *sc, int onoff) 565 { 566 usb_device_request_t req; 567 568 DPRINTF(("uplcom_break: onoff=%d\n", onoff)); 569 570 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 571 req.bRequest = UCDC_SEND_BREAK; 572 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 573 USETW(req.wIndex, sc->sc_iface_number); 574 USETW(req.wLength, 0); 575 576 (void)usbd_do_request(sc->sc_udev, &req, 0); 577 } 578 579 usbd_status 580 uplcom_set_crtscts(struct uplcom_softc *sc) 581 { 582 usb_device_request_t req; 583 usbd_status err; 584 585 DPRINTF(("uplcom_set_crtscts: on\n")); 586 587 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 588 req.bRequest = UPLCOM_SET_REQUEST; 589 USETW(req.wValue, 0); 590 if (sc->sc_type == UPLCOM_TYPE_HX) 591 USETW(req.wIndex, UPLCOM_SET_CRTSCTS_HX); 592 else 593 USETW(req.wIndex, UPLCOM_SET_CRTSCTS_0); 594 USETW(req.wLength, 0); 595 596 err = usbd_do_request(sc->sc_udev, &req, 0); 597 if (err) { 598 DPRINTF(("uplcom_set_crtscts: failed, err=%s\n", 599 usbd_errstr(err))); 600 return (err); 601 } 602 603 return (USBD_NORMAL_COMPLETION); 604 } 605 606 usbd_status 607 uplcom_set_line_coding(struct uplcom_softc *sc, usb_cdc_line_state_t *state) 608 { 609 usb_device_request_t req; 610 usbd_status err; 611 612 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n", 613 UGETDW(state->dwDTERate), state->bCharFormat, 614 state->bParityType, state->bDataBits)); 615 616 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { 617 DPRINTF(("uplcom_set_line_coding: already set\n")); 618 return (USBD_NORMAL_COMPLETION); 619 } 620 621 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 622 req.bRequest = UCDC_SET_LINE_CODING; 623 USETW(req.wValue, 0); 624 USETW(req.wIndex, sc->sc_iface_number); 625 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 626 627 err = usbd_do_request(sc->sc_udev, &req, state); 628 if (err) { 629 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n", 630 usbd_errstr(err))); 631 return (err); 632 } 633 634 sc->sc_line_state = *state; 635 636 return (USBD_NORMAL_COMPLETION); 637 } 638 639 int 640 uplcom_param(void *addr, int portno, struct termios *t) 641 { 642 struct uplcom_softc *sc = addr; 643 usbd_status err; 644 usb_cdc_line_state_t ls; 645 646 DPRINTF(("uplcom_param: sc=%p\n", sc)); 647 648 USETDW(ls.dwDTERate, t->c_ospeed); 649 if (ISSET(t->c_cflag, CSTOPB)) 650 ls.bCharFormat = UCDC_STOP_BIT_2; 651 else 652 ls.bCharFormat = UCDC_STOP_BIT_1; 653 if (ISSET(t->c_cflag, PARENB)) { 654 if (ISSET(t->c_cflag, PARODD)) 655 ls.bParityType = UCDC_PARITY_ODD; 656 else 657 ls.bParityType = UCDC_PARITY_EVEN; 658 } else 659 ls.bParityType = UCDC_PARITY_NONE; 660 switch (ISSET(t->c_cflag, CSIZE)) { 661 case CS5: 662 ls.bDataBits = 5; 663 break; 664 case CS6: 665 ls.bDataBits = 6; 666 break; 667 case CS7: 668 ls.bDataBits = 7; 669 break; 670 case CS8: 671 ls.bDataBits = 8; 672 break; 673 } 674 675 err = uplcom_set_line_coding(sc, &ls); 676 if (err) { 677 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 678 return (EIO); 679 } 680 681 if (ISSET(t->c_cflag, CRTSCTS)) 682 uplcom_set_crtscts(sc); 683 684 if (sc->sc_rts == -1 || sc->sc_dtr == -1) 685 uplcom_set_line_state(sc); 686 687 if (err) { 688 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 689 return (EIO); 690 } 691 692 return (0); 693 } 694 695 Static usbd_status 696 uplcom_vendor_control_write(usbd_device_handle dev, u_int16_t value, u_int16_t index) 697 { 698 usb_device_request_t req; 699 usbd_status err; 700 701 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 702 req.bRequest = UPLCOM_SET_REQUEST; 703 USETW(req.wValue, value); 704 USETW(req.wIndex, index); 705 USETW(req.wLength, 0); 706 707 err = usbd_do_request(dev, &req, NULL); 708 709 if (err) { 710 DPRINTF(("uplcom_open: vendor write failed, err=%s (%d)\n", 711 usbd_errstr(err), err)); 712 } 713 714 return err; 715 } 716 717 int 718 uplcom_open(void *addr, int portno) 719 { 720 struct uplcom_softc *sc = addr; 721 usbd_status err; 722 723 if (sc->sc_dying) 724 return (EIO); 725 726 DPRINTF(("uplcom_open: sc=%p\n", sc)); 727 728 /* Some unknown device frobbing. */ 729 if (sc->sc_type == UPLCOM_TYPE_HX) 730 uplcom_vendor_control_write(sc->sc_udev, 2, 0x44); 731 else 732 uplcom_vendor_control_write(sc->sc_udev, 2, 0x24); 733 734 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 735 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 736 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, 737 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, 738 sc->sc_intr_buf, sc->sc_isize, 739 uplcom_intr, USBD_DEFAULT_INTERVAL); 740 if (err) { 741 DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n", 742 USBDEVNAME(sc->sc_dev), sc->sc_intr_number)); 743 return (EIO); 744 } 745 } 746 747 return (0); 748 } 749 750 void 751 uplcom_close(void *addr, int portno) 752 { 753 struct uplcom_softc *sc = addr; 754 int err; 755 756 if (sc->sc_dying) 757 return; 758 759 DPRINTF(("uplcom_close: close\n")); 760 761 if (sc->sc_intr_pipe != NULL) { 762 err = usbd_abort_pipe(sc->sc_intr_pipe); 763 if (err) 764 printf("%s: abort interrupt pipe failed: %s\n", 765 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 766 err = usbd_close_pipe(sc->sc_intr_pipe); 767 if (err) 768 printf("%s: close interrupt pipe failed: %s\n", 769 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 770 free(sc->sc_intr_buf, M_USBDEV); 771 sc->sc_intr_pipe = NULL; 772 } 773 } 774 775 void 776 uplcom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, 777 usbd_status status) 778 { 779 struct uplcom_softc *sc = priv; 780 u_char *buf = sc->sc_intr_buf; 781 u_char pstatus; 782 783 if (sc->sc_dying) 784 return; 785 786 if (status != USBD_NORMAL_COMPLETION) { 787 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 788 return; 789 790 DPRINTF(("%s: abnormal status: %s\n", USBDEVNAME(sc->sc_dev), 791 usbd_errstr(status))); 792 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 793 return; 794 } 795 796 DPRINTF(("%s: uplcom status = %02x\n", USBDEVNAME(sc->sc_dev), buf[8])); 797 798 sc->sc_lsr = sc->sc_msr = 0; 799 pstatus = buf[8]; 800 if (ISSET(pstatus, RSAQ_STATUS_DSR)) 801 sc->sc_msr |= UMSR_DSR; 802 if (ISSET(pstatus, RSAQ_STATUS_DCD)) 803 sc->sc_msr |= UMSR_DCD; 804 ucom_status_change((struct ucom_softc *) sc->sc_subdev); 805 } 806 807 void 808 uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 809 { 810 struct uplcom_softc *sc = addr; 811 812 DPRINTF(("uplcom_get_status:\n")); 813 814 if (lsr != NULL) 815 *lsr = sc->sc_lsr; 816 if (msr != NULL) 817 *msr = sc->sc_msr; 818 } 819 820 #if TODO 821 int 822 uplcom_ioctl(void *addr, int portno, u_long cmd, void *data, int flag, 823 usb_proc_ptr p) 824 { 825 struct uplcom_softc *sc = addr; 826 int error = 0; 827 828 if (sc->sc_dying) 829 return (EIO); 830 831 DPRINTF(("uplcom_ioctl: cmd=0x%08lx\n", cmd)); 832 833 switch (cmd) { 834 case TIOCNOTTY: 835 case TIOCMGET: 836 case TIOCMSET: 837 case USB_GET_CM_OVER_DATA: 838 case USB_SET_CM_OVER_DATA: 839 break; 840 841 default: 842 DPRINTF(("uplcom_ioctl: unknown\n")); 843 error = ENOTTY; 844 break; 845 } 846 847 return (error); 848 } 849 #endif 850