uplcom.c revision 1.54
1 /* $NetBSD: uplcom.c,v 1.54 2007/03/13 13:51:56 drochner 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 1.54 2007/03/13 13:51:56 drochner 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 /* PLANEX USB-RS232 URS-03 */ 164 { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC232A }, 165 /* IOGEAR/ATEN UC-232A */ 166 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303 }, 167 /* IOGEAR/ATENTRIPPLITE */ 168 { USB_VENDOR_TRIPPLITE, USB_PRODUCT_TRIPPLITE_U209 }, 169 /* ELECOM UC-SGT */ 170 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT }, 171 /* ELECOM UC-SGT0 */ 172 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT0 }, 173 /* Panasonic 50" Touch Panel */ 174 { USB_VENDOR_PANASONIC, USB_PRODUCT_PANASONIC_TYTP50P6S }, 175 /* RATOC REX-USB60 */ 176 { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60 }, 177 /* TDK USB-PHS Adapter UHA6400 */ 178 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UHA6400 }, 179 /* TDK USB-PDC Adapter UPA9664 */ 180 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UPA9664 }, 181 /* Sony Ericsson USB Cable */ 182 { USB_VENDOR_SUSTEEN, USB_PRODUCT_SUSTEEN_DCU10 }, 183 /* SOURCENEXT KeikaiDenwa 8 */ 184 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8 }, 185 /* SOURCENEXT KeikaiDenwa 8 with charger */ 186 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8_CHG }, 187 /* HAL Corporation Crossam2+USB */ 188 { USB_VENDOR_HAL, USB_PRODUCT_HAL_IMR001 }, 189 /* Sitecom USB to serial cable */ 190 { USB_VENDOR_SITECOM, USB_PRODUCT_SITECOM_CN104 }, 191 /* Pharos USB GPS - Microsoft version */ 192 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303X }, 193 /* Willcom WS002IN (DD) */ 194 { USB_VENDOR_PROLIFIC2, USB_PRODUCT_PROLIFIC2_PL2303X }, 195 }; 196 #define uplcom_lookup(v, p) usb_lookup(uplcom_devs, v, p) 197 198 static const struct { 199 uint16_t vendor; 200 uint16_t product; 201 enum pl2303_type chiptype; 202 } uplcom_devs_ext[] = { 203 /* I/O DATA USB-RSAQ3 */ 204 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ3, UPLCOM_TYPE_HX }, 205 { USB_VENDOR_PROLIFIC2, USB_PRODUCT_PROLIFIC2_PL2303X, UPLCOM_TYPE_HX }, 206 {0, 0, 0} 207 }; 208 209 210 USB_DECLARE_DRIVER(uplcom); 211 212 USB_MATCH(uplcom) 213 { 214 USB_MATCH_START(uplcom, uaa); 215 216 return (uplcom_lookup(uaa->vendor, uaa->product) != NULL ? 217 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 218 } 219 220 USB_ATTACH(uplcom) 221 { 222 USB_ATTACH_START(uplcom, sc, uaa); 223 usbd_device_handle dev = uaa->device; 224 usb_config_descriptor_t *cdesc; 225 usb_interface_descriptor_t *id; 226 usb_endpoint_descriptor_t *ed; 227 char *devinfop; 228 char *devname = USBDEVNAME(sc->sc_dev); 229 usbd_status err; 230 int i; 231 struct ucom_attach_args uca; 232 233 devinfop = usbd_devinfo_alloc(dev, 0); 234 USB_ATTACH_SETUP; 235 printf("%s: %s\n", devname, devinfop); 236 usbd_devinfo_free(devinfop); 237 238 sc->sc_udev = dev; 239 240 DPRINTF(("\n\nuplcom attach: sc=%p\n", sc)); 241 242 /* initialize endpoints */ 243 uca.bulkin = uca.bulkout = -1; 244 sc->sc_intr_number = -1; 245 sc->sc_intr_pipe = NULL; 246 247 /* Move the device into the configured state. */ 248 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); 249 if (err) { 250 printf("\n%s: failed to set configuration, err=%s\n", 251 devname, usbd_errstr(err)); 252 sc->sc_dying = 1; 253 USB_ATTACH_ERROR_RETURN; 254 } 255 256 /* determine chip type */ 257 for (i = 0; uplcom_devs_ext[i].vendor != 0; i++) { 258 if (uplcom_devs_ext[i].vendor == uaa->vendor && 259 uplcom_devs_ext[i].product == uaa->product) { 260 sc->sc_type = uplcom_devs_ext[i].chiptype; 261 goto chiptype_determined; 262 } 263 } 264 /* 265 * NOTE: The Linux driver distinguishes between UPLCOM_TYPE_0 266 * and UPLCOM_TYPE_1 type chips by testing other fields in the 267 * device descriptor. As far as the uplcom driver is 268 * concerned, both types are identical. 269 * The bcdDevice field should also distinguish these versions, 270 * but who knows. 271 */ 272 if (uaa->release == 0x0300) 273 sc->sc_type = UPLCOM_TYPE_HX; 274 else 275 sc->sc_type = UPLCOM_TYPE_0; 276 chiptype_determined: 277 278 /* get the config descriptor */ 279 cdesc = usbd_get_config_descriptor(sc->sc_udev); 280 281 if (cdesc == NULL) { 282 printf("%s: failed to get configuration descriptor\n", 283 USBDEVNAME(sc->sc_dev)); 284 sc->sc_dying = 1; 285 USB_ATTACH_ERROR_RETURN; 286 } 287 288 /* get the (first/common) interface */ 289 err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX, 290 &sc->sc_iface); 291 if (err) { 292 printf("\n%s: failed to get interface, err=%s\n", 293 devname, usbd_errstr(err)); 294 sc->sc_dying = 1; 295 USB_ATTACH_ERROR_RETURN; 296 } 297 298 /* Find the interrupt 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_INTERRUPT) { 314 sc->sc_intr_number = ed->bEndpointAddress; 315 sc->sc_isize = UGETW(ed->wMaxPacketSize); 316 } 317 } 318 319 if (sc->sc_intr_number== -1) { 320 printf("%s: Could not find interrupt in\n", 321 USBDEVNAME(sc->sc_dev)); 322 sc->sc_dying = 1; 323 USB_ATTACH_ERROR_RETURN; 324 } 325 326 /* keep interface for interrupt */ 327 sc->sc_intr_iface = sc->sc_iface; 328 329 /* 330 * USB-RSAQ1 has two interface 331 * 332 * USB-RSAQ1 | USB-RSAQ2 333 * -----------------+----------------- 334 * Interface 0 |Interface 0 335 * Interrupt(0x81) | Interrupt(0x81) 336 * -----------------+ BulkIN(0x02) 337 * Interface 1 | BulkOUT(0x83) 338 * BulkIN(0x02) | 339 * BulkOUT(0x83) | 340 */ 341 if (cdesc->bNumInterface == 2) { 342 err = usbd_device2interface_handle(dev, 343 UPLCOM_SECOND_IFACE_INDEX, &sc->sc_iface); 344 if (err) { 345 printf("\n%s: failed to get second interface, err=%s\n", 346 devname, usbd_errstr(err)); 347 sc->sc_dying = 1; 348 USB_ATTACH_ERROR_RETURN; 349 } 350 } 351 352 /* Find the bulk{in,out} endpoints */ 353 354 id = usbd_get_interface_descriptor(sc->sc_iface); 355 sc->sc_iface_number = id->bInterfaceNumber; 356 357 for (i = 0; i < id->bNumEndpoints; i++) { 358 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 359 if (ed == NULL) { 360 printf("%s: no endpoint descriptor for %d\n", 361 USBDEVNAME(sc->sc_dev), i); 362 sc->sc_dying = 1; 363 USB_ATTACH_ERROR_RETURN; 364 } 365 366 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 367 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 368 uca.bulkin = ed->bEndpointAddress; 369 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 370 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 371 uca.bulkout = ed->bEndpointAddress; 372 } 373 } 374 375 if (uca.bulkin == -1) { 376 printf("%s: Could not find data bulk in\n", 377 USBDEVNAME(sc->sc_dev)); 378 sc->sc_dying = 1; 379 USB_ATTACH_ERROR_RETURN; 380 } 381 382 if (uca.bulkout == -1) { 383 printf("%s: Could not find data bulk out\n", 384 USBDEVNAME(sc->sc_dev)); 385 sc->sc_dying = 1; 386 USB_ATTACH_ERROR_RETURN; 387 } 388 389 sc->sc_dtr = sc->sc_rts = -1; 390 uca.portno = UCOM_UNK_PORTNO; 391 /* bulkin, bulkout set above */ 392 uca.ibufsize = UPLCOMIBUFSIZE; 393 uca.obufsize = UPLCOMOBUFSIZE; 394 uca.ibufsizepad = UPLCOMIBUFSIZE; 395 uca.opkthdrlen = 0; 396 uca.device = dev; 397 uca.iface = sc->sc_iface; 398 uca.methods = &uplcom_methods; 399 uca.arg = sc; 400 uca.info = NULL; 401 402 err = uplcom_reset(sc); 403 404 if (err) { 405 printf("%s: reset failed, %s\n", USBDEVNAME(sc->sc_dev), 406 usbd_errstr(err)); 407 sc->sc_dying = 1; 408 USB_ATTACH_ERROR_RETURN; 409 } 410 411 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 412 USBDEV(sc->sc_dev)); 413 414 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 415 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 416 sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &uca, 417 ucomprint, ucomsubmatch); 418 419 USB_ATTACH_SUCCESS_RETURN; 420 } 421 422 USB_DETACH(uplcom) 423 { 424 USB_DETACH_START(uplcom, sc); 425 int rv = 0; 426 427 DPRINTF(("uplcom_detach: sc=%p flags=%d\n", sc, flags)); 428 429 if (sc->sc_intr_pipe != NULL) { 430 usbd_abort_pipe(sc->sc_intr_pipe); 431 usbd_close_pipe(sc->sc_intr_pipe); 432 free(sc->sc_intr_buf, M_USBDEV); 433 sc->sc_intr_pipe = NULL; 434 } 435 436 sc->sc_dying = 1; 437 if (sc->sc_subdev != NULL) { 438 rv = config_detach(sc->sc_subdev, flags); 439 sc->sc_subdev = NULL; 440 } 441 442 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 443 USBDEV(sc->sc_dev)); 444 445 return (rv); 446 } 447 448 int 449 uplcom_activate(device_ptr_t self, enum devact act) 450 { 451 struct uplcom_softc *sc = (struct uplcom_softc *)self; 452 int rv = 0; 453 454 switch (act) { 455 case DVACT_ACTIVATE: 456 return (EOPNOTSUPP); 457 458 case DVACT_DEACTIVATE: 459 if (sc->sc_subdev != NULL) 460 rv = config_deactivate(sc->sc_subdev); 461 sc->sc_dying = 1; 462 break; 463 } 464 return (rv); 465 } 466 467 usbd_status 468 uplcom_reset(struct uplcom_softc *sc) 469 { 470 usb_device_request_t req; 471 usbd_status err; 472 473 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 474 req.bRequest = UPLCOM_SET_REQUEST; 475 USETW(req.wValue, 0); 476 USETW(req.wIndex, sc->sc_iface_number); 477 USETW(req.wLength, 0); 478 479 err = usbd_do_request(sc->sc_udev, &req, 0); 480 if (err) 481 return (EIO); 482 483 return (0); 484 } 485 486 void 487 uplcom_set_line_state(struct uplcom_softc *sc) 488 { 489 usb_device_request_t req; 490 int ls; 491 492 /* make sure we have initialized state for sc_dtr and sc_rts */ 493 if (sc->sc_dtr == -1) 494 sc->sc_dtr = 0; 495 if (sc->sc_rts == -1) 496 sc->sc_rts = 0; 497 498 ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) | 499 (sc->sc_rts ? UCDC_LINE_RTS : 0); 500 501 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 502 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 503 USETW(req.wValue, ls); 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 void 511 uplcom_set(void *addr, int portno, int reg, int onoff) 512 { 513 struct uplcom_softc *sc = addr; 514 515 switch (reg) { 516 case UCOM_SET_DTR: 517 uplcom_dtr(sc, onoff); 518 break; 519 case UCOM_SET_RTS: 520 uplcom_rts(sc, onoff); 521 break; 522 case UCOM_SET_BREAK: 523 uplcom_break(sc, onoff); 524 break; 525 default: 526 break; 527 } 528 } 529 530 void 531 uplcom_dtr(struct uplcom_softc *sc, int onoff) 532 { 533 534 DPRINTF(("uplcom_dtr: onoff=%d\n", onoff)); 535 536 if (sc->sc_dtr != -1 && !sc->sc_dtr == !onoff) 537 return; 538 539 sc->sc_dtr = !!onoff; 540 541 uplcom_set_line_state(sc); 542 } 543 544 void 545 uplcom_rts(struct uplcom_softc *sc, int onoff) 546 { 547 DPRINTF(("uplcom_rts: onoff=%d\n", onoff)); 548 549 if (sc->sc_rts != -1 && !sc->sc_rts == !onoff) 550 return; 551 552 sc->sc_rts = !!onoff; 553 554 uplcom_set_line_state(sc); 555 } 556 557 void 558 uplcom_break(struct uplcom_softc *sc, int onoff) 559 { 560 usb_device_request_t req; 561 562 DPRINTF(("uplcom_break: onoff=%d\n", onoff)); 563 564 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 565 req.bRequest = UCDC_SEND_BREAK; 566 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 567 USETW(req.wIndex, sc->sc_iface_number); 568 USETW(req.wLength, 0); 569 570 (void)usbd_do_request(sc->sc_udev, &req, 0); 571 } 572 573 usbd_status 574 uplcom_set_crtscts(struct uplcom_softc *sc) 575 { 576 usb_device_request_t req; 577 usbd_status err; 578 579 DPRINTF(("uplcom_set_crtscts: on\n")); 580 581 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 582 req.bRequest = UPLCOM_SET_REQUEST; 583 USETW(req.wValue, 0); 584 if (sc->sc_type == UPLCOM_TYPE_HX) 585 USETW(req.wIndex, UPLCOM_SET_CRTSCTS_HX); 586 else 587 USETW(req.wIndex, UPLCOM_SET_CRTSCTS_0); 588 USETW(req.wLength, 0); 589 590 err = usbd_do_request(sc->sc_udev, &req, 0); 591 if (err) { 592 DPRINTF(("uplcom_set_crtscts: failed, err=%s\n", 593 usbd_errstr(err))); 594 return (err); 595 } 596 597 return (USBD_NORMAL_COMPLETION); 598 } 599 600 usbd_status 601 uplcom_set_line_coding(struct uplcom_softc *sc, usb_cdc_line_state_t *state) 602 { 603 usb_device_request_t req; 604 usbd_status err; 605 606 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n", 607 UGETDW(state->dwDTERate), state->bCharFormat, 608 state->bParityType, state->bDataBits)); 609 610 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { 611 DPRINTF(("uplcom_set_line_coding: already set\n")); 612 return (USBD_NORMAL_COMPLETION); 613 } 614 615 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 616 req.bRequest = UCDC_SET_LINE_CODING; 617 USETW(req.wValue, 0); 618 USETW(req.wIndex, sc->sc_iface_number); 619 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 620 621 err = usbd_do_request(sc->sc_udev, &req, state); 622 if (err) { 623 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n", 624 usbd_errstr(err))); 625 return (err); 626 } 627 628 sc->sc_line_state = *state; 629 630 return (USBD_NORMAL_COMPLETION); 631 } 632 633 int 634 uplcom_param(void *addr, int portno, struct termios *t) 635 { 636 struct uplcom_softc *sc = addr; 637 usbd_status err; 638 usb_cdc_line_state_t ls; 639 640 DPRINTF(("uplcom_param: sc=%p\n", sc)); 641 642 USETDW(ls.dwDTERate, t->c_ospeed); 643 if (ISSET(t->c_cflag, CSTOPB)) 644 ls.bCharFormat = UCDC_STOP_BIT_2; 645 else 646 ls.bCharFormat = UCDC_STOP_BIT_1; 647 if (ISSET(t->c_cflag, PARENB)) { 648 if (ISSET(t->c_cflag, PARODD)) 649 ls.bParityType = UCDC_PARITY_ODD; 650 else 651 ls.bParityType = UCDC_PARITY_EVEN; 652 } else 653 ls.bParityType = UCDC_PARITY_NONE; 654 switch (ISSET(t->c_cflag, CSIZE)) { 655 case CS5: 656 ls.bDataBits = 5; 657 break; 658 case CS6: 659 ls.bDataBits = 6; 660 break; 661 case CS7: 662 ls.bDataBits = 7; 663 break; 664 case CS8: 665 ls.bDataBits = 8; 666 break; 667 } 668 669 err = uplcom_set_line_coding(sc, &ls); 670 if (err) { 671 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 672 return (EIO); 673 } 674 675 if (ISSET(t->c_cflag, CRTSCTS)) 676 uplcom_set_crtscts(sc); 677 678 if (sc->sc_rts == -1 || sc->sc_dtr == -1) 679 uplcom_set_line_state(sc); 680 681 if (err) { 682 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 683 return (EIO); 684 } 685 686 return (0); 687 } 688 689 Static usbd_status 690 uplcom_vendor_control_write(usbd_device_handle dev, u_int16_t value, u_int16_t index) 691 { 692 usb_device_request_t req; 693 usbd_status err; 694 695 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 696 req.bRequest = UPLCOM_SET_REQUEST; 697 USETW(req.wValue, value); 698 USETW(req.wIndex, index); 699 USETW(req.wLength, 0); 700 701 err = usbd_do_request(dev, &req, NULL); 702 703 if (err) { 704 DPRINTF(("uplcom_open: vendor write failed, err=%s (%d)\n", 705 usbd_errstr(err), err)); 706 } 707 708 return err; 709 } 710 711 int 712 uplcom_open(void *addr, int portno) 713 { 714 struct uplcom_softc *sc = addr; 715 usbd_status err; 716 717 if (sc->sc_dying) 718 return (EIO); 719 720 DPRINTF(("uplcom_open: sc=%p\n", sc)); 721 722 /* Some unknown device frobbing. */ 723 if (sc->sc_type == UPLCOM_TYPE_HX) 724 uplcom_vendor_control_write(sc->sc_udev, 2, 0x44); 725 else 726 uplcom_vendor_control_write(sc->sc_udev, 2, 0x24); 727 728 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 729 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 730 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, 731 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, 732 sc->sc_intr_buf, sc->sc_isize, 733 uplcom_intr, USBD_DEFAULT_INTERVAL); 734 if (err) { 735 DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n", 736 USBDEVNAME(sc->sc_dev), sc->sc_intr_number)); 737 return (EIO); 738 } 739 } 740 741 return (0); 742 } 743 744 void 745 uplcom_close(void *addr, int portno) 746 { 747 struct uplcom_softc *sc = addr; 748 int err; 749 750 if (sc->sc_dying) 751 return; 752 753 DPRINTF(("uplcom_close: close\n")); 754 755 if (sc->sc_intr_pipe != NULL) { 756 err = usbd_abort_pipe(sc->sc_intr_pipe); 757 if (err) 758 printf("%s: abort interrupt pipe failed: %s\n", 759 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 760 err = usbd_close_pipe(sc->sc_intr_pipe); 761 if (err) 762 printf("%s: close interrupt pipe failed: %s\n", 763 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 764 free(sc->sc_intr_buf, M_USBDEV); 765 sc->sc_intr_pipe = NULL; 766 } 767 } 768 769 void 770 uplcom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, 771 usbd_status status) 772 { 773 struct uplcom_softc *sc = priv; 774 u_char *buf = sc->sc_intr_buf; 775 u_char pstatus; 776 777 if (sc->sc_dying) 778 return; 779 780 if (status != USBD_NORMAL_COMPLETION) { 781 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 782 return; 783 784 DPRINTF(("%s: abnormal status: %s\n", USBDEVNAME(sc->sc_dev), 785 usbd_errstr(status))); 786 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 787 return; 788 } 789 790 DPRINTF(("%s: uplcom status = %02x\n", USBDEVNAME(sc->sc_dev), buf[8])); 791 792 sc->sc_lsr = sc->sc_msr = 0; 793 pstatus = buf[8]; 794 if (ISSET(pstatus, RSAQ_STATUS_DSR)) 795 sc->sc_msr |= UMSR_DSR; 796 if (ISSET(pstatus, RSAQ_STATUS_DCD)) 797 sc->sc_msr |= UMSR_DCD; 798 ucom_status_change((struct ucom_softc *) sc->sc_subdev); 799 } 800 801 void 802 uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 803 { 804 struct uplcom_softc *sc = addr; 805 806 DPRINTF(("uplcom_get_status:\n")); 807 808 if (lsr != NULL) 809 *lsr = sc->sc_lsr; 810 if (msr != NULL) 811 *msr = sc->sc_msr; 812 } 813 814 #if TODO 815 int 816 uplcom_ioctl(void *addr, int portno, u_long cmd, void *data, int flag, 817 usb_proc_ptr p) 818 { 819 struct uplcom_softc *sc = addr; 820 int error = 0; 821 822 if (sc->sc_dying) 823 return (EIO); 824 825 DPRINTF(("uplcom_ioctl: cmd=0x%08lx\n", cmd)); 826 827 switch (cmd) { 828 case TIOCNOTTY: 829 case TIOCMGET: 830 case TIOCMSET: 831 case USB_GET_CM_OVER_DATA: 832 case USB_SET_CM_OVER_DATA: 833 break; 834 835 default: 836 DPRINTF(("uplcom_ioctl: unknown\n")); 837 error = ENOTTY; 838 break; 839 } 840 841 return (error); 842 } 843 #endif 844
Indexes created Mon Sep 29 03:10:08 GMT 2025