uplcom.c revision 1.45
1 /* $NetBSD: uplcom.c,v 1.45 2005/08/13 21:50:45 martin 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 1.45 2005/08/13 21:50:45 martin 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_0 0x41 84 #define UPLCOM_SET_CRTSCTS_HX 0x61 85 #define RSAQ_STATUS_DSR 0x02 86 #define RSAQ_STATUS_DCD 0x01 87 88 enum pl2303_type { 89 UPLCOM_TYPE_0, 90 UPLCOM_TYPE_HX, 91 }; 92 93 struct uplcom_softc { 94 USBBASEDEVICE sc_dev; /* base device */ 95 usbd_device_handle sc_udev; /* USB device */ 96 usbd_interface_handle sc_iface; /* interface */ 97 int sc_iface_number; /* interface number */ 98 99 usbd_interface_handle sc_intr_iface; /* interrupt interface */ 100 int sc_intr_number; /* interrupt number */ 101 usbd_pipe_handle sc_intr_pipe; /* interrupt pipe */ 102 u_char *sc_intr_buf; /* interrupt buffer */ 103 int sc_isize; 104 105 usb_cdc_line_state_t sc_line_state; /* current line state */ 106 int sc_dtr; /* current DTR state */ 107 int sc_rts; /* current RTS state */ 108 109 device_ptr_t sc_subdev; /* ucom device */ 110 111 u_char sc_dying; /* disconnecting */ 112 113 u_char sc_lsr; /* Local status register */ 114 u_char sc_msr; /* uplcom status register */ 115 116 enum pl2303_type sc_type; /* PL2303 chip type */ 117 }; 118 119 /* 120 * These are the maximum number of bytes transferred per frame. 121 * The output buffer size cannot be increased due to the size encoding. 122 */ 123 #define UPLCOMIBUFSIZE 256 124 #define UPLCOMOBUFSIZE 256 125 126 Static usbd_status uplcom_reset(struct uplcom_softc *); 127 Static usbd_status uplcom_set_line_coding(struct uplcom_softc *sc, 128 usb_cdc_line_state_t *state); 129 Static usbd_status uplcom_set_crtscts(struct uplcom_softc *); 130 Static void uplcom_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 131 132 Static void uplcom_set(void *, int, int, int); 133 Static void uplcom_dtr(struct uplcom_softc *, int); 134 Static void uplcom_rts(struct uplcom_softc *, int); 135 Static void uplcom_break(struct uplcom_softc *, int); 136 Static void uplcom_set_line_state(struct uplcom_softc *); 137 Static void uplcom_get_status(void *, int portno, u_char *lsr, u_char *msr); 138 #if TODO 139 Static int uplcom_ioctl(void *, int, u_long, caddr_t, int, usb_proc_ptr ); 140 #endif 141 Static int uplcom_param(void *, int, struct termios *); 142 Static int uplcom_open(void *, int); 143 Static void uplcom_close(void *, int); 144 Static usbd_status uplcom_vendor_control_write(usbd_device_handle, u_int16_t, u_int16_t); 145 146 struct ucom_methods uplcom_methods = { 147 uplcom_get_status, 148 uplcom_set, 149 uplcom_param, 150 NULL, /* uplcom_ioctl, TODO */ 151 uplcom_open, 152 uplcom_close, 153 NULL, 154 NULL, 155 }; 156 157 static const struct usb_devno uplcom_devs[] = { 158 /* I/O DATA USB-RSAQ2 */ 159 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ2 }, 160 /* I/O DATA USB-RSAQ */ 161 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ }, 162 /* PLANEX USB-RS232 URS-03 */ 163 { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC232A }, 164 /* IOGEAR/ATEN UC-232A */ 165 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303 }, 166 /* IOGEAR/ATENTRIPPLITE */ 167 { USB_VENDOR_TRIPPLITE, USB_PRODUCT_TRIPPLITE_U209 }, 168 /* ELECOM UC-SGT */ 169 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT }, 170 /* Panasonic 50" Touch Panel */ 171 { USB_VENDOR_PANASONIC, USB_PRODUCT_PANASONIC_TYTP50P6S }, 172 /* RATOC REX-USB60 */ 173 { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60 }, 174 /* TDK USB-PHS Adapter UHA6400 */ 175 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UHA6400 }, 176 /* TDK USB-PDC Adapter UPA9664 */ 177 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UPA9664 }, 178 /* Sony Ericsson USB Cable */ 179 { USB_VENDOR_SUSTEEN, USB_PRODUCT_SUSTEEN_DCU10 }, 180 /* SOURCENEXT KeikaiDenwa 8 */ 181 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8 }, 182 /* SOURCENEXT KeikaiDenwa 8 with charger */ 183 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8_CHG }, 184 /* HAL Corporation Crossam2+USB */ 185 { USB_VENDOR_HAL, USB_PRODUCT_HAL_IMR001 }, 186 /* Sitecom USB to serial cable */ 187 { USB_VENDOR_SITECOM, USB_PRODUCT_SITECOM_CN104 }, 188 /* Pharos USB GPS - Microsoft version */ 189 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303X }, 190 }; 191 #define uplcom_lookup(v, p) usb_lookup(uplcom_devs, v, p) 192 193 194 USB_DECLARE_DRIVER(uplcom); 195 196 USB_MATCH(uplcom) 197 { 198 USB_MATCH_START(uplcom, uaa); 199 200 if (uaa->iface != NULL) 201 return (UMATCH_NONE); 202 203 return (uplcom_lookup(uaa->vendor, uaa->product) != NULL ? 204 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 205 } 206 207 USB_ATTACH(uplcom) 208 { 209 USB_ATTACH_START(uplcom, sc, uaa); 210 usbd_device_handle dev = uaa->device; 211 usb_device_descriptor_t *ddesc; 212 usb_config_descriptor_t *cdesc; 213 usb_interface_descriptor_t *id; 214 usb_endpoint_descriptor_t *ed; 215 char *devinfop; 216 char *devname = USBDEVNAME(sc->sc_dev); 217 usbd_status err; 218 int i; 219 struct ucom_attach_args uca; 220 221 devinfop = usbd_devinfo_alloc(dev, 0); 222 USB_ATTACH_SETUP; 223 printf("%s: %s\n", devname, devinfop); 224 usbd_devinfo_free(devinfop); 225 226 sc->sc_udev = dev; 227 228 DPRINTF(("\n\nuplcom attach: sc=%p\n", sc)); 229 230 /* initialize endpoints */ 231 uca.bulkin = uca.bulkout = -1; 232 sc->sc_intr_number = -1; 233 sc->sc_intr_pipe = NULL; 234 235 /* Move the device into the configured state. */ 236 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); 237 if (err) { 238 printf("\n%s: failed to set configuration, err=%s\n", 239 devname, usbd_errstr(err)); 240 sc->sc_dying = 1; 241 USB_ATTACH_ERROR_RETURN; 242 } 243 244 /* get the device descriptor */ 245 ddesc = usbd_get_device_descriptor(sc->sc_udev); 246 if (ddesc == NULL) { 247 printf("%s: failed to get device descriptor\n", 248 USBDEVNAME(sc->sc_dev)); 249 sc->sc_dying = 1; 250 USB_ATTACH_ERROR_RETURN; 251 } 252 253 /* 254 * NOTE: The Linux driver distinguishes between UPLCOM_TYPE_0 255 * and UPLCOM_TYPE_1 type chips by testing other fields in the 256 * device descriptor. As far as the uplcom driver is 257 * concerned, both types are identical. 258 * The bcdDevice field should also distinguish these versions, 259 * but who knows. 260 */ 261 if (UGETW(ddesc->bcdDevice) == 0x0300) 262 sc->sc_type = UPLCOM_TYPE_HX; 263 else 264 sc->sc_type = UPLCOM_TYPE_0; 265 266 /* get the config descriptor */ 267 cdesc = usbd_get_config_descriptor(sc->sc_udev); 268 269 if (cdesc == NULL) { 270 printf("%s: failed to get configuration descriptor\n", 271 USBDEVNAME(sc->sc_dev)); 272 sc->sc_dying = 1; 273 USB_ATTACH_ERROR_RETURN; 274 } 275 276 /* get the (first/common) interface */ 277 err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX, 278 &sc->sc_iface); 279 if (err) { 280 printf("\n%s: failed to get interface, err=%s\n", 281 devname, usbd_errstr(err)); 282 sc->sc_dying = 1; 283 USB_ATTACH_ERROR_RETURN; 284 } 285 286 /* Find the interrupt endpoints */ 287 288 id = usbd_get_interface_descriptor(sc->sc_iface); 289 sc->sc_iface_number = id->bInterfaceNumber; 290 291 for (i = 0; i < id->bNumEndpoints; i++) { 292 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 293 if (ed == NULL) { 294 printf("%s: no endpoint descriptor for %d\n", 295 USBDEVNAME(sc->sc_dev), i); 296 sc->sc_dying = 1; 297 USB_ATTACH_ERROR_RETURN; 298 } 299 300 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 301 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 302 sc->sc_intr_number = ed->bEndpointAddress; 303 sc->sc_isize = UGETW(ed->wMaxPacketSize); 304 } 305 } 306 307 if (sc->sc_intr_number== -1) { 308 printf("%s: Could not find interrupt in\n", 309 USBDEVNAME(sc->sc_dev)); 310 sc->sc_dying = 1; 311 USB_ATTACH_ERROR_RETURN; 312 } 313 314 /* keep interface for interrupt */ 315 sc->sc_intr_iface = sc->sc_iface; 316 317 /* 318 * USB-RSAQ1 has two interface 319 * 320 * USB-RSAQ1 | USB-RSAQ2 321 * -----------------+----------------- 322 * Interface 0 |Interface 0 323 * Interrupt(0x81) | Interrupt(0x81) 324 * -----------------+ BulkIN(0x02) 325 * Interface 1 | BulkOUT(0x83) 326 * BulkIN(0x02) | 327 * BulkOUT(0x83) | 328 */ 329 if (cdesc->bNumInterface == 2) { 330 err = usbd_device2interface_handle(dev, 331 UPLCOM_SECOND_IFACE_INDEX, &sc->sc_iface); 332 if (err) { 333 printf("\n%s: failed to get second interface, err=%s\n", 334 devname, usbd_errstr(err)); 335 sc->sc_dying = 1; 336 USB_ATTACH_ERROR_RETURN; 337 } 338 } 339 340 /* Find the bulk{in,out} endpoints */ 341 342 id = usbd_get_interface_descriptor(sc->sc_iface); 343 sc->sc_iface_number = id->bInterfaceNumber; 344 345 for (i = 0; i < id->bNumEndpoints; i++) { 346 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 347 if (ed == NULL) { 348 printf("%s: no endpoint descriptor for %d\n", 349 USBDEVNAME(sc->sc_dev), i); 350 sc->sc_dying = 1; 351 USB_ATTACH_ERROR_RETURN; 352 } 353 354 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 355 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 356 uca.bulkin = ed->bEndpointAddress; 357 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 358 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 359 uca.bulkout = ed->bEndpointAddress; 360 } 361 } 362 363 if (uca.bulkin == -1) { 364 printf("%s: Could not find data bulk in\n", 365 USBDEVNAME(sc->sc_dev)); 366 sc->sc_dying = 1; 367 USB_ATTACH_ERROR_RETURN; 368 } 369 370 if (uca.bulkout == -1) { 371 printf("%s: Could not find data bulk out\n", 372 USBDEVNAME(sc->sc_dev)); 373 sc->sc_dying = 1; 374 USB_ATTACH_ERROR_RETURN; 375 } 376 377 sc->sc_dtr = sc->sc_rts = -1; 378 uca.portno = UCOM_UNK_PORTNO; 379 /* bulkin, bulkout set above */ 380 uca.ibufsize = UPLCOMIBUFSIZE; 381 uca.obufsize = UPLCOMOBUFSIZE; 382 uca.ibufsizepad = UPLCOMIBUFSIZE; 383 uca.opkthdrlen = 0; 384 uca.device = dev; 385 uca.iface = sc->sc_iface; 386 uca.methods = &uplcom_methods; 387 uca.arg = sc; 388 uca.info = NULL; 389 390 err = uplcom_reset(sc); 391 392 if (err) { 393 printf("%s: reset failed, %s\n", USBDEVNAME(sc->sc_dev), 394 usbd_errstr(err)); 395 sc->sc_dying = 1; 396 USB_ATTACH_ERROR_RETURN; 397 } 398 399 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 400 USBDEV(sc->sc_dev)); 401 402 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 403 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 404 sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &uca, 405 ucomprint, ucomsubmatch); 406 407 USB_ATTACH_SUCCESS_RETURN; 408 } 409 410 USB_DETACH(uplcom) 411 { 412 USB_DETACH_START(uplcom, sc); 413 int rv = 0; 414 415 DPRINTF(("uplcom_detach: sc=%p flags=%d\n", sc, flags)); 416 417 if (sc->sc_intr_pipe != NULL) { 418 usbd_abort_pipe(sc->sc_intr_pipe); 419 usbd_close_pipe(sc->sc_intr_pipe); 420 free(sc->sc_intr_buf, M_USBDEV); 421 sc->sc_intr_pipe = NULL; 422 } 423 424 sc->sc_dying = 1; 425 if (sc->sc_subdev != NULL) { 426 rv = config_detach(sc->sc_subdev, flags); 427 sc->sc_subdev = NULL; 428 } 429 430 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 431 USBDEV(sc->sc_dev)); 432 433 return (rv); 434 } 435 436 int 437 uplcom_activate(device_ptr_t self, enum devact act) 438 { 439 struct uplcom_softc *sc = (struct uplcom_softc *)self; 440 int rv = 0; 441 442 switch (act) { 443 case DVACT_ACTIVATE: 444 return (EOPNOTSUPP); 445 446 case DVACT_DEACTIVATE: 447 if (sc->sc_subdev != NULL) 448 rv = config_deactivate(sc->sc_subdev); 449 sc->sc_dying = 1; 450 break; 451 } 452 return (rv); 453 } 454 455 usbd_status 456 uplcom_reset(struct uplcom_softc *sc) 457 { 458 usb_device_request_t req; 459 usbd_status err; 460 461 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 462 req.bRequest = UPLCOM_SET_REQUEST; 463 USETW(req.wValue, 0); 464 USETW(req.wIndex, sc->sc_iface_number); 465 USETW(req.wLength, 0); 466 467 err = usbd_do_request(sc->sc_udev, &req, 0); 468 if (err) 469 return (EIO); 470 471 return (0); 472 } 473 474 void 475 uplcom_set_line_state(struct uplcom_softc *sc) 476 { 477 usb_device_request_t req; 478 int ls; 479 480 /* make sure we have initialized state for sc_dtr and sc_rts */ 481 if (sc->sc_dtr == -1) 482 sc->sc_dtr = 0; 483 if (sc->sc_rts == -1) 484 sc->sc_rts = 0; 485 486 ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) | 487 (sc->sc_rts ? UCDC_LINE_RTS : 0); 488 489 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 490 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 491 USETW(req.wValue, ls); 492 USETW(req.wIndex, sc->sc_iface_number); 493 USETW(req.wLength, 0); 494 495 (void)usbd_do_request(sc->sc_udev, &req, 0); 496 } 497 498 void 499 uplcom_set(void *addr, int portno, int reg, int onoff) 500 { 501 struct uplcom_softc *sc = addr; 502 503 switch (reg) { 504 case UCOM_SET_DTR: 505 uplcom_dtr(sc, onoff); 506 break; 507 case UCOM_SET_RTS: 508 uplcom_rts(sc, onoff); 509 break; 510 case UCOM_SET_BREAK: 511 uplcom_break(sc, onoff); 512 break; 513 default: 514 break; 515 } 516 } 517 518 void 519 uplcom_dtr(struct uplcom_softc *sc, int onoff) 520 { 521 522 DPRINTF(("uplcom_dtr: onoff=%d\n", onoff)); 523 524 if (sc->sc_dtr != -1 && !sc->sc_dtr == !onoff) 525 return; 526 527 sc->sc_dtr = !!onoff; 528 529 uplcom_set_line_state(sc); 530 } 531 532 void 533 uplcom_rts(struct uplcom_softc *sc, int onoff) 534 { 535 DPRINTF(("uplcom_rts: onoff=%d\n", onoff)); 536 537 if (sc->sc_rts != -1 && !sc->sc_rts == !onoff) 538 return; 539 540 sc->sc_rts = !!onoff; 541 542 uplcom_set_line_state(sc); 543 } 544 545 void 546 uplcom_break(struct uplcom_softc *sc, int onoff) 547 { 548 usb_device_request_t req; 549 550 DPRINTF(("uplcom_break: onoff=%d\n", onoff)); 551 552 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 553 req.bRequest = UCDC_SEND_BREAK; 554 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 555 USETW(req.wIndex, sc->sc_iface_number); 556 USETW(req.wLength, 0); 557 558 (void)usbd_do_request(sc->sc_udev, &req, 0); 559 } 560 561 usbd_status 562 uplcom_set_crtscts(struct uplcom_softc *sc) 563 { 564 usb_device_request_t req; 565 usbd_status err; 566 567 DPRINTF(("uplcom_set_crtscts: on\n")); 568 569 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 570 req.bRequest = UPLCOM_SET_REQUEST; 571 USETW(req.wValue, 0); 572 if (sc->sc_type == UPLCOM_TYPE_HX) 573 USETW(req.wIndex, UPLCOM_SET_CRTSCTS_HX); 574 else 575 USETW(req.wIndex, UPLCOM_SET_CRTSCTS_0); 576 USETW(req.wLength, 0); 577 578 err = usbd_do_request(sc->sc_udev, &req, 0); 579 if (err) { 580 DPRINTF(("uplcom_set_crtscts: failed, err=%s\n", 581 usbd_errstr(err))); 582 return (err); 583 } 584 585 return (USBD_NORMAL_COMPLETION); 586 } 587 588 usbd_status 589 uplcom_set_line_coding(struct uplcom_softc *sc, usb_cdc_line_state_t *state) 590 { 591 usb_device_request_t req; 592 usbd_status err; 593 594 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n", 595 UGETDW(state->dwDTERate), state->bCharFormat, 596 state->bParityType, state->bDataBits)); 597 598 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { 599 DPRINTF(("uplcom_set_line_coding: already set\n")); 600 return (USBD_NORMAL_COMPLETION); 601 } 602 603 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 604 req.bRequest = UCDC_SET_LINE_CODING; 605 USETW(req.wValue, 0); 606 USETW(req.wIndex, sc->sc_iface_number); 607 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 608 609 err = usbd_do_request(sc->sc_udev, &req, state); 610 if (err) { 611 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n", 612 usbd_errstr(err))); 613 return (err); 614 } 615 616 sc->sc_line_state = *state; 617 618 return (USBD_NORMAL_COMPLETION); 619 } 620 621 int 622 uplcom_param(void *addr, int portno, struct termios *t) 623 { 624 struct uplcom_softc *sc = addr; 625 usbd_status err; 626 usb_cdc_line_state_t ls; 627 628 DPRINTF(("uplcom_param: sc=%p\n", sc)); 629 630 USETDW(ls.dwDTERate, t->c_ospeed); 631 if (ISSET(t->c_cflag, CSTOPB)) 632 ls.bCharFormat = UCDC_STOP_BIT_2; 633 else 634 ls.bCharFormat = UCDC_STOP_BIT_1; 635 if (ISSET(t->c_cflag, PARENB)) { 636 if (ISSET(t->c_cflag, PARODD)) 637 ls.bParityType = UCDC_PARITY_ODD; 638 else 639 ls.bParityType = UCDC_PARITY_EVEN; 640 } else 641 ls.bParityType = UCDC_PARITY_NONE; 642 switch (ISSET(t->c_cflag, CSIZE)) { 643 case CS5: 644 ls.bDataBits = 5; 645 break; 646 case CS6: 647 ls.bDataBits = 6; 648 break; 649 case CS7: 650 ls.bDataBits = 7; 651 break; 652 case CS8: 653 ls.bDataBits = 8; 654 break; 655 } 656 657 err = uplcom_set_line_coding(sc, &ls); 658 if (err) { 659 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 660 return (EIO); 661 } 662 663 if (ISSET(t->c_cflag, CRTSCTS)) 664 uplcom_set_crtscts(sc); 665 666 if (sc->sc_rts == -1 || sc->sc_dtr == -1) 667 uplcom_set_line_state(sc); 668 669 if (err) { 670 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 671 return (EIO); 672 } 673 674 return (0); 675 } 676 677 Static usbd_status 678 uplcom_vendor_control_write(usbd_device_handle dev, u_int16_t value, u_int16_t index) 679 { 680 usb_device_request_t req; 681 usbd_status err; 682 683 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 684 req.bRequest = UPLCOM_SET_REQUEST; 685 USETW(req.wValue, value); 686 USETW(req.wIndex, index); 687 USETW(req.wLength, 0); 688 689 err = usbd_do_request(dev, &req, NULL); 690 691 if (err) { 692 DPRINTF(("uplcom_open: vendor write failed, err=%s (%d)\n", 693 usbd_errstr(err), err)); 694 } 695 696 return err; 697 } 698 699 int 700 uplcom_open(void *addr, int portno) 701 { 702 struct uplcom_softc *sc = addr; 703 usbd_status err; 704 705 if (sc->sc_dying) 706 return (EIO); 707 708 DPRINTF(("uplcom_open: sc=%p\n", sc)); 709 710 /* Some unknown device frobbing. */ 711 if (sc->sc_type == UPLCOM_TYPE_HX) 712 uplcom_vendor_control_write(sc->sc_udev, 2, 0x44); 713 else 714 uplcom_vendor_control_write(sc->sc_udev, 2, 0x24); 715 716 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 717 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 718 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, 719 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, 720 sc->sc_intr_buf, sc->sc_isize, 721 uplcom_intr, USBD_DEFAULT_INTERVAL); 722 if (err) { 723 DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n", 724 USBDEVNAME(sc->sc_dev), sc->sc_intr_number)); 725 return (EIO); 726 } 727 } 728 729 return (0); 730 } 731 732 void 733 uplcom_close(void *addr, int portno) 734 { 735 struct uplcom_softc *sc = addr; 736 int err; 737 738 if (sc->sc_dying) 739 return; 740 741 DPRINTF(("uplcom_close: close\n")); 742 743 if (sc->sc_intr_pipe != NULL) { 744 err = usbd_abort_pipe(sc->sc_intr_pipe); 745 if (err) 746 printf("%s: abort interrupt pipe failed: %s\n", 747 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 748 err = usbd_close_pipe(sc->sc_intr_pipe); 749 if (err) 750 printf("%s: close interrupt pipe failed: %s\n", 751 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 752 free(sc->sc_intr_buf, M_USBDEV); 753 sc->sc_intr_pipe = NULL; 754 } 755 } 756 757 void 758 uplcom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 759 { 760 struct uplcom_softc *sc = priv; 761 u_char *buf = sc->sc_intr_buf; 762 u_char pstatus; 763 764 if (sc->sc_dying) 765 return; 766 767 if (status != USBD_NORMAL_COMPLETION) { 768 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 769 return; 770 771 DPRINTF(("%s: abnormal status: %s\n", USBDEVNAME(sc->sc_dev), 772 usbd_errstr(status))); 773 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 774 return; 775 } 776 777 DPRINTF(("%s: uplcom status = %02x\n", USBDEVNAME(sc->sc_dev), buf[8])); 778 779 sc->sc_lsr = sc->sc_msr = 0; 780 pstatus = buf[8]; 781 if (ISSET(pstatus, RSAQ_STATUS_DSR)) 782 sc->sc_msr |= UMSR_DSR; 783 if (ISSET(pstatus, RSAQ_STATUS_DCD)) 784 sc->sc_msr |= UMSR_DCD; 785 ucom_status_change((struct ucom_softc *) sc->sc_subdev); 786 } 787 788 void 789 uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 790 { 791 struct uplcom_softc *sc = addr; 792 793 DPRINTF(("uplcom_get_status:\n")); 794 795 if (lsr != NULL) 796 *lsr = sc->sc_lsr; 797 if (msr != NULL) 798 *msr = sc->sc_msr; 799 } 800 801 #if TODO 802 int 803 uplcom_ioctl(void *addr, int portno, u_long cmd, caddr_t data, int flag, 804 usb_proc_ptr p) 805 { 806 struct uplcom_softc *sc = addr; 807 int error = 0; 808 809 if (sc->sc_dying) 810 return (EIO); 811 812 DPRINTF(("uplcom_ioctl: cmd=0x%08lx\n", cmd)); 813 814 switch (cmd) { 815 case TIOCNOTTY: 816 case TIOCMGET: 817 case TIOCMSET: 818 case USB_GET_CM_OVER_DATA: 819 case USB_SET_CM_OVER_DATA: 820 break; 821 822 default: 823 DPRINTF(("uplcom_ioctl: unknown\n")); 824 error = ENOTTY; 825 break; 826 } 827 828 return (error); 829 } 830 #endif 831
Indexes created Fri Sep 26 20:09:58 GMT 2025