uplcom.c revision 1.56
1 /* $NetBSD: uplcom.c,v 1.56 2007/06/14 01:22:52 uebayasi 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 1.56 2007/06/14 01:22:52 uebayasi 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 /* IOGEAR/ATENTRIPPLITE */ 170 { USB_VENDOR_TRIPPLITE, USB_PRODUCT_TRIPPLITE_U209 }, 171 /* ELECOM UC-SGT */ 172 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT }, 173 /* ELECOM UC-SGT0 */ 174 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT0 }, 175 /* Panasonic 50" Touch Panel */ 176 { USB_VENDOR_PANASONIC, USB_PRODUCT_PANASONIC_TYTP50P6S }, 177 /* RATOC REX-USB60 */ 178 { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60 }, 179 /* TDK USB-PHS Adapter UHA6400 */ 180 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UHA6400 }, 181 /* TDK USB-PDC Adapter UPA9664 */ 182 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UPA9664 }, 183 /* Sony Ericsson USB Cable */ 184 { USB_VENDOR_SUSTEEN, USB_PRODUCT_SUSTEEN_DCU10 }, 185 /* SOURCENEXT KeikaiDenwa 8 */ 186 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8 }, 187 /* SOURCENEXT KeikaiDenwa 8 with charger */ 188 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8_CHG }, 189 /* HAL Corporation Crossam2+USB */ 190 { USB_VENDOR_HAL, USB_PRODUCT_HAL_IMR001 }, 191 /* Sitecom USB to serial cable */ 192 { USB_VENDOR_SITECOM, USB_PRODUCT_SITECOM_CN104 }, 193 /* Pharos USB GPS - Microsoft version */ 194 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303X }, 195 /* Willcom WS002IN (DD) */ 196 { USB_VENDOR_PROLIFIC2, USB_PRODUCT_PROLIFIC2_PL2303X }, 197 }; 198 #define uplcom_lookup(v, p) usb_lookup(uplcom_devs, v, p) 199 200 static const struct { 201 uint16_t vendor; 202 uint16_t product; 203 enum pl2303_type chiptype; 204 } uplcom_devs_ext[] = { 205 /* I/O DATA USB-RSAQ3 */ 206 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ3, UPLCOM_TYPE_HX }, 207 { USB_VENDOR_PROLIFIC2, USB_PRODUCT_PROLIFIC2_PL2303X, UPLCOM_TYPE_HX }, 208 /* I/O DATA USB-RSAQ5 */ 209 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ5, UPLCOM_TYPE_HX }, 210 {0, 0, 0} 211 }; 212 213 214 USB_DECLARE_DRIVER(uplcom); 215 216 USB_MATCH(uplcom) 217 { 218 USB_MATCH_START(uplcom, uaa); 219 220 return (uplcom_lookup(uaa->vendor, uaa->product) != NULL ? 221 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 222 } 223 224 USB_ATTACH(uplcom) 225 { 226 USB_ATTACH_START(uplcom, sc, uaa); 227 usbd_device_handle dev = uaa->device; 228 usb_config_descriptor_t *cdesc; 229 usb_interface_descriptor_t *id; 230 usb_endpoint_descriptor_t *ed; 231 char *devinfop; 232 char *devname = USBDEVNAME(sc->sc_dev); 233 usbd_status err; 234 int i; 235 struct ucom_attach_args uca; 236 237 devinfop = usbd_devinfo_alloc(dev, 0); 238 USB_ATTACH_SETUP; 239 printf("%s: %s\n", devname, devinfop); 240 usbd_devinfo_free(devinfop); 241 242 sc->sc_udev = dev; 243 244 DPRINTF(("\n\nuplcom attach: sc=%p\n", sc)); 245 246 /* initialize endpoints */ 247 uca.bulkin = uca.bulkout = -1; 248 sc->sc_intr_number = -1; 249 sc->sc_intr_pipe = NULL; 250 251 /* Move the device into the configured state. */ 252 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); 253 if (err) { 254 printf("\n%s: failed to set configuration, err=%s\n", 255 devname, usbd_errstr(err)); 256 sc->sc_dying = 1; 257 USB_ATTACH_ERROR_RETURN; 258 } 259 260 /* determine chip type */ 261 for (i = 0; uplcom_devs_ext[i].vendor != 0; i++) { 262 if (uplcom_devs_ext[i].vendor == uaa->vendor && 263 uplcom_devs_ext[i].product == uaa->product) { 264 sc->sc_type = uplcom_devs_ext[i].chiptype; 265 goto chiptype_determined; 266 } 267 } 268 /* 269 * NOTE: The Linux driver distinguishes between UPLCOM_TYPE_0 270 * and UPLCOM_TYPE_1 type chips by testing other fields in the 271 * device descriptor. As far as the uplcom driver is 272 * concerned, both types are identical. 273 * The bcdDevice field should also distinguish these versions, 274 * but who knows. 275 */ 276 if (uaa->release == 0x0300) 277 sc->sc_type = UPLCOM_TYPE_HX; 278 else 279 sc->sc_type = UPLCOM_TYPE_0; 280 chiptype_determined: 281 282 /* get the config descriptor */ 283 cdesc = usbd_get_config_descriptor(sc->sc_udev); 284 285 if (cdesc == NULL) { 286 printf("%s: failed to get configuration descriptor\n", 287 USBDEVNAME(sc->sc_dev)); 288 sc->sc_dying = 1; 289 USB_ATTACH_ERROR_RETURN; 290 } 291 292 /* get the (first/common) interface */ 293 err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX, 294 &sc->sc_iface); 295 if (err) { 296 printf("\n%s: failed to get interface, err=%s\n", 297 devname, usbd_errstr(err)); 298 sc->sc_dying = 1; 299 USB_ATTACH_ERROR_RETURN; 300 } 301 302 /* Find the interrupt endpoints */ 303 304 id = usbd_get_interface_descriptor(sc->sc_iface); 305 sc->sc_iface_number = id->bInterfaceNumber; 306 307 for (i = 0; i < id->bNumEndpoints; i++) { 308 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 309 if (ed == NULL) { 310 printf("%s: no endpoint descriptor for %d\n", 311 USBDEVNAME(sc->sc_dev), i); 312 sc->sc_dying = 1; 313 USB_ATTACH_ERROR_RETURN; 314 } 315 316 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 317 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 318 sc->sc_intr_number = ed->bEndpointAddress; 319 sc->sc_isize = UGETW(ed->wMaxPacketSize); 320 } 321 } 322 323 if (sc->sc_intr_number== -1) { 324 printf("%s: Could not find interrupt in\n", 325 USBDEVNAME(sc->sc_dev)); 326 sc->sc_dying = 1; 327 USB_ATTACH_ERROR_RETURN; 328 } 329 330 /* keep interface for interrupt */ 331 sc->sc_intr_iface = sc->sc_iface; 332 333 /* 334 * USB-RSAQ1 has two interface 335 * 336 * USB-RSAQ1 | USB-RSAQ2 337 * -----------------+----------------- 338 * Interface 0 |Interface 0 339 * Interrupt(0x81) | Interrupt(0x81) 340 * -----------------+ BulkIN(0x02) 341 * Interface 1 | BulkOUT(0x83) 342 * BulkIN(0x02) | 343 * BulkOUT(0x83) | 344 */ 345 if (cdesc->bNumInterface == 2) { 346 err = usbd_device2interface_handle(dev, 347 UPLCOM_SECOND_IFACE_INDEX, &sc->sc_iface); 348 if (err) { 349 printf("\n%s: failed to get second interface, err=%s\n", 350 devname, usbd_errstr(err)); 351 sc->sc_dying = 1; 352 USB_ATTACH_ERROR_RETURN; 353 } 354 } 355 356 /* Find the bulk{in,out} endpoints */ 357 358 id = usbd_get_interface_descriptor(sc->sc_iface); 359 sc->sc_iface_number = id->bInterfaceNumber; 360 361 for (i = 0; i < id->bNumEndpoints; i++) { 362 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 363 if (ed == NULL) { 364 printf("%s: no endpoint descriptor for %d\n", 365 USBDEVNAME(sc->sc_dev), i); 366 sc->sc_dying = 1; 367 USB_ATTACH_ERROR_RETURN; 368 } 369 370 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 371 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 372 uca.bulkin = ed->bEndpointAddress; 373 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 374 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 375 uca.bulkout = ed->bEndpointAddress; 376 } 377 } 378 379 if (uca.bulkin == -1) { 380 printf("%s: Could not find data bulk in\n", 381 USBDEVNAME(sc->sc_dev)); 382 sc->sc_dying = 1; 383 USB_ATTACH_ERROR_RETURN; 384 } 385 386 if (uca.bulkout == -1) { 387 printf("%s: Could not find data bulk out\n", 388 USBDEVNAME(sc->sc_dev)); 389 sc->sc_dying = 1; 390 USB_ATTACH_ERROR_RETURN; 391 } 392 393 sc->sc_dtr = sc->sc_rts = -1; 394 uca.portno = UCOM_UNK_PORTNO; 395 /* bulkin, bulkout set above */ 396 uca.ibufsize = UPLCOMIBUFSIZE; 397 uca.obufsize = UPLCOMOBUFSIZE; 398 uca.ibufsizepad = UPLCOMIBUFSIZE; 399 uca.opkthdrlen = 0; 400 uca.device = dev; 401 uca.iface = sc->sc_iface; 402 uca.methods = &uplcom_methods; 403 uca.arg = sc; 404 uca.info = NULL; 405 406 err = uplcom_reset(sc); 407 408 if (err) { 409 printf("%s: reset failed, %s\n", USBDEVNAME(sc->sc_dev), 410 usbd_errstr(err)); 411 sc->sc_dying = 1; 412 USB_ATTACH_ERROR_RETURN; 413 } 414 415 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 416 USBDEV(sc->sc_dev)); 417 418 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 419 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 420 sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &uca, 421 ucomprint, ucomsubmatch); 422 423 USB_ATTACH_SUCCESS_RETURN; 424 } 425 426 USB_DETACH(uplcom) 427 { 428 USB_DETACH_START(uplcom, sc); 429 int rv = 0; 430 431 DPRINTF(("uplcom_detach: sc=%p flags=%d\n", sc, flags)); 432 433 if (sc->sc_intr_pipe != NULL) { 434 usbd_abort_pipe(sc->sc_intr_pipe); 435 usbd_close_pipe(sc->sc_intr_pipe); 436 free(sc->sc_intr_buf, M_USBDEV); 437 sc->sc_intr_pipe = NULL; 438 } 439 440 sc->sc_dying = 1; 441 if (sc->sc_subdev != NULL) { 442 rv = config_detach(sc->sc_subdev, flags); 443 sc->sc_subdev = NULL; 444 } 445 446 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 447 USBDEV(sc->sc_dev)); 448 449 return (rv); 450 } 451 452 int 453 uplcom_activate(device_ptr_t self, enum devact act) 454 { 455 struct uplcom_softc *sc = (struct uplcom_softc *)self; 456 int rv = 0; 457 458 switch (act) { 459 case DVACT_ACTIVATE: 460 return (EOPNOTSUPP); 461 462 case DVACT_DEACTIVATE: 463 if (sc->sc_subdev != NULL) 464 rv = config_deactivate(sc->sc_subdev); 465 sc->sc_dying = 1; 466 break; 467 } 468 return (rv); 469 } 470 471 usbd_status 472 uplcom_reset(struct uplcom_softc *sc) 473 { 474 usb_device_request_t req; 475 usbd_status err; 476 477 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 478 req.bRequest = UPLCOM_SET_REQUEST; 479 USETW(req.wValue, 0); 480 USETW(req.wIndex, sc->sc_iface_number); 481 USETW(req.wLength, 0); 482 483 err = usbd_do_request(sc->sc_udev, &req, 0); 484 if (err) 485 return (EIO); 486 487 return (0); 488 } 489 490 void 491 uplcom_set_line_state(struct uplcom_softc *sc) 492 { 493 usb_device_request_t req; 494 int ls; 495 496 /* make sure we have initialized state for sc_dtr and sc_rts */ 497 if (sc->sc_dtr == -1) 498 sc->sc_dtr = 0; 499 if (sc->sc_rts == -1) 500 sc->sc_rts = 0; 501 502 ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) | 503 (sc->sc_rts ? UCDC_LINE_RTS : 0); 504 505 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 506 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 507 USETW(req.wValue, ls); 508 USETW(req.wIndex, sc->sc_iface_number); 509 USETW(req.wLength, 0); 510 511 (void)usbd_do_request(sc->sc_udev, &req, 0); 512 } 513 514 void 515 uplcom_set(void *addr, int portno, int reg, int onoff) 516 { 517 struct uplcom_softc *sc = addr; 518 519 switch (reg) { 520 case UCOM_SET_DTR: 521 uplcom_dtr(sc, onoff); 522 break; 523 case UCOM_SET_RTS: 524 uplcom_rts(sc, onoff); 525 break; 526 case UCOM_SET_BREAK: 527 uplcom_break(sc, onoff); 528 break; 529 default: 530 break; 531 } 532 } 533 534 void 535 uplcom_dtr(struct uplcom_softc *sc, int onoff) 536 { 537 538 DPRINTF(("uplcom_dtr: onoff=%d\n", onoff)); 539 540 if (sc->sc_dtr != -1 && !sc->sc_dtr == !onoff) 541 return; 542 543 sc->sc_dtr = !!onoff; 544 545 uplcom_set_line_state(sc); 546 } 547 548 void 549 uplcom_rts(struct uplcom_softc *sc, int onoff) 550 { 551 DPRINTF(("uplcom_rts: onoff=%d\n", onoff)); 552 553 if (sc->sc_rts != -1 && !sc->sc_rts == !onoff) 554 return; 555 556 sc->sc_rts = !!onoff; 557 558 uplcom_set_line_state(sc); 559 } 560 561 void 562 uplcom_break(struct uplcom_softc *sc, int onoff) 563 { 564 usb_device_request_t req; 565 566 DPRINTF(("uplcom_break: onoff=%d\n", onoff)); 567 568 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 569 req.bRequest = UCDC_SEND_BREAK; 570 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 571 USETW(req.wIndex, sc->sc_iface_number); 572 USETW(req.wLength, 0); 573 574 (void)usbd_do_request(sc->sc_udev, &req, 0); 575 } 576 577 usbd_status 578 uplcom_set_crtscts(struct uplcom_softc *sc) 579 { 580 usb_device_request_t req; 581 usbd_status err; 582 583 DPRINTF(("uplcom_set_crtscts: on\n")); 584 585 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 586 req.bRequest = UPLCOM_SET_REQUEST; 587 USETW(req.wValue, 0); 588 if (sc->sc_type == UPLCOM_TYPE_HX) 589 USETW(req.wIndex, UPLCOM_SET_CRTSCTS_HX); 590 else 591 USETW(req.wIndex, UPLCOM_SET_CRTSCTS_0); 592 USETW(req.wLength, 0); 593 594 err = usbd_do_request(sc->sc_udev, &req, 0); 595 if (err) { 596 DPRINTF(("uplcom_set_crtscts: failed, err=%s\n", 597 usbd_errstr(err))); 598 return (err); 599 } 600 601 return (USBD_NORMAL_COMPLETION); 602 } 603 604 usbd_status 605 uplcom_set_line_coding(struct uplcom_softc *sc, usb_cdc_line_state_t *state) 606 { 607 usb_device_request_t req; 608 usbd_status err; 609 610 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n", 611 UGETDW(state->dwDTERate), state->bCharFormat, 612 state->bParityType, state->bDataBits)); 613 614 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { 615 DPRINTF(("uplcom_set_line_coding: already set\n")); 616 return (USBD_NORMAL_COMPLETION); 617 } 618 619 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 620 req.bRequest = UCDC_SET_LINE_CODING; 621 USETW(req.wValue, 0); 622 USETW(req.wIndex, sc->sc_iface_number); 623 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 624 625 err = usbd_do_request(sc->sc_udev, &req, state); 626 if (err) { 627 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n", 628 usbd_errstr(err))); 629 return (err); 630 } 631 632 sc->sc_line_state = *state; 633 634 return (USBD_NORMAL_COMPLETION); 635 } 636 637 int 638 uplcom_param(void *addr, int portno, struct termios *t) 639 { 640 struct uplcom_softc *sc = addr; 641 usbd_status err; 642 usb_cdc_line_state_t ls; 643 644 DPRINTF(("uplcom_param: sc=%p\n", sc)); 645 646 USETDW(ls.dwDTERate, t->c_ospeed); 647 if (ISSET(t->c_cflag, CSTOPB)) 648 ls.bCharFormat = UCDC_STOP_BIT_2; 649 else 650 ls.bCharFormat = UCDC_STOP_BIT_1; 651 if (ISSET(t->c_cflag, PARENB)) { 652 if (ISSET(t->c_cflag, PARODD)) 653 ls.bParityType = UCDC_PARITY_ODD; 654 else 655 ls.bParityType = UCDC_PARITY_EVEN; 656 } else 657 ls.bParityType = UCDC_PARITY_NONE; 658 switch (ISSET(t->c_cflag, CSIZE)) { 659 case CS5: 660 ls.bDataBits = 5; 661 break; 662 case CS6: 663 ls.bDataBits = 6; 664 break; 665 case CS7: 666 ls.bDataBits = 7; 667 break; 668 case CS8: 669 ls.bDataBits = 8; 670 break; 671 } 672 673 err = uplcom_set_line_coding(sc, &ls); 674 if (err) { 675 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 676 return (EIO); 677 } 678 679 if (ISSET(t->c_cflag, CRTSCTS)) 680 uplcom_set_crtscts(sc); 681 682 if (sc->sc_rts == -1 || sc->sc_dtr == -1) 683 uplcom_set_line_state(sc); 684 685 if (err) { 686 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 687 return (EIO); 688 } 689 690 return (0); 691 } 692 693 Static usbd_status 694 uplcom_vendor_control_write(usbd_device_handle dev, u_int16_t value, u_int16_t index) 695 { 696 usb_device_request_t req; 697 usbd_status err; 698 699 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 700 req.bRequest = UPLCOM_SET_REQUEST; 701 USETW(req.wValue, value); 702 USETW(req.wIndex, index); 703 USETW(req.wLength, 0); 704 705 err = usbd_do_request(dev, &req, NULL); 706 707 if (err) { 708 DPRINTF(("uplcom_open: vendor write failed, err=%s (%d)\n", 709 usbd_errstr(err), err)); 710 } 711 712 return err; 713 } 714 715 int 716 uplcom_open(void *addr, int portno) 717 { 718 struct uplcom_softc *sc = addr; 719 usbd_status err; 720 721 if (sc->sc_dying) 722 return (EIO); 723 724 DPRINTF(("uplcom_open: sc=%p\n", sc)); 725 726 /* Some unknown device frobbing. */ 727 if (sc->sc_type == UPLCOM_TYPE_HX) 728 uplcom_vendor_control_write(sc->sc_udev, 2, 0x44); 729 else 730 uplcom_vendor_control_write(sc->sc_udev, 2, 0x24); 731 732 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 733 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 734 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, 735 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, 736 sc->sc_intr_buf, sc->sc_isize, 737 uplcom_intr, USBD_DEFAULT_INTERVAL); 738 if (err) { 739 DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n", 740 USBDEVNAME(sc->sc_dev), sc->sc_intr_number)); 741 return (EIO); 742 } 743 } 744 745 return (0); 746 } 747 748 void 749 uplcom_close(void *addr, int portno) 750 { 751 struct uplcom_softc *sc = addr; 752 int err; 753 754 if (sc->sc_dying) 755 return; 756 757 DPRINTF(("uplcom_close: close\n")); 758 759 if (sc->sc_intr_pipe != NULL) { 760 err = usbd_abort_pipe(sc->sc_intr_pipe); 761 if (err) 762 printf("%s: abort interrupt pipe failed: %s\n", 763 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 764 err = usbd_close_pipe(sc->sc_intr_pipe); 765 if (err) 766 printf("%s: close interrupt pipe failed: %s\n", 767 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 768 free(sc->sc_intr_buf, M_USBDEV); 769 sc->sc_intr_pipe = NULL; 770 } 771 } 772 773 void 774 uplcom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, 775 usbd_status status) 776 { 777 struct uplcom_softc *sc = priv; 778 u_char *buf = sc->sc_intr_buf; 779 u_char pstatus; 780 781 if (sc->sc_dying) 782 return; 783 784 if (status != USBD_NORMAL_COMPLETION) { 785 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 786 return; 787 788 DPRINTF(("%s: abnormal status: %s\n", USBDEVNAME(sc->sc_dev), 789 usbd_errstr(status))); 790 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 791 return; 792 } 793 794 DPRINTF(("%s: uplcom status = %02x\n", USBDEVNAME(sc->sc_dev), buf[8])); 795 796 sc->sc_lsr = sc->sc_msr = 0; 797 pstatus = buf[8]; 798 if (ISSET(pstatus, RSAQ_STATUS_DSR)) 799 sc->sc_msr |= UMSR_DSR; 800 if (ISSET(pstatus, RSAQ_STATUS_DCD)) 801 sc->sc_msr |= UMSR_DCD; 802 ucom_status_change((struct ucom_softc *) sc->sc_subdev); 803 } 804 805 void 806 uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 807 { 808 struct uplcom_softc *sc = addr; 809 810 DPRINTF(("uplcom_get_status:\n")); 811 812 if (lsr != NULL) 813 *lsr = sc->sc_lsr; 814 if (msr != NULL) 815 *msr = sc->sc_msr; 816 } 817 818 #if TODO 819 int 820 uplcom_ioctl(void *addr, int portno, u_long cmd, void *data, int flag, 821 usb_proc_ptr p) 822 { 823 struct uplcom_softc *sc = addr; 824 int error = 0; 825 826 if (sc->sc_dying) 827 return (EIO); 828 829 DPRINTF(("uplcom_ioctl: cmd=0x%08lx\n", cmd)); 830 831 switch (cmd) { 832 case TIOCNOTTY: 833 case TIOCMGET: 834 case TIOCMSET: 835 case USB_GET_CM_OVER_DATA: 836 case USB_SET_CM_OVER_DATA: 837 break; 838 839 default: 840 DPRINTF(("uplcom_ioctl: unknown\n")); 841 error = ENOTTY; 842 break; 843 } 844 845 return (error); 846 } 847 #endif 848
Indexes created Tue Sep 30 11:09:46 GMT 2025