uplcom.c revision 1.67
1 /* $NetBSD: uplcom.c,v 1.67 2008/11/20 10:50:42 jnemeth 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 * 18 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 /* 32 * General information: http://www.prolific.com.tw/fr_pl2303.htm 33 * http://www.hitachi-hitec.com/jyouhou/prolific/2303.pdf 34 */ 35 36 #include <sys/cdefs.h> 37 __KERNEL_RCSID(0, "$NetBSD: uplcom.c,v 1.67 2008/11/20 10:50:42 jnemeth Exp $"); 38 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/kernel.h> 42 #include <sys/malloc.h> 43 #include <sys/ioctl.h> 44 #include <sys/conf.h> 45 #include <sys/tty.h> 46 #include <sys/file.h> 47 #include <sys/select.h> 48 #include <sys/proc.h> 49 #include <sys/device.h> 50 #include <sys/poll.h> 51 52 #include <dev/usb/usb.h> 53 #include <dev/usb/usbcdc.h> 54 55 #include <dev/usb/usbdi.h> 56 #include <dev/usb/usbdi_util.h> 57 #include <dev/usb/usbdevs.h> 58 #include <dev/usb/usb_quirks.h> 59 60 #include <dev/usb/ucomvar.h> 61 62 #ifdef UPLCOM_DEBUG 63 #define DPRINTFN(n, x) if (uplcomdebug > (n)) logprintf x 64 int uplcomdebug = 0; 65 #else 66 #define DPRINTFN(n, x) 67 #endif 68 #define DPRINTF(x) DPRINTFN(0, x) 69 70 #define UPLCOM_CONFIG_INDEX 0 71 #define UPLCOM_IFACE_INDEX 0 72 #define UPLCOM_SECOND_IFACE_INDEX 1 73 74 #define UPLCOM_SET_REQUEST 0x01 75 #define UPLCOM_SET_CRTSCTS_0 0x41 76 #define UPLCOM_SET_CRTSCTS_HX 0x61 77 #define RSAQ_STATUS_DSR 0x02 78 #define RSAQ_STATUS_DCD 0x01 79 80 enum pl2303_type { 81 UPLCOM_TYPE_0, /* we use this for all non-HX variants */ 82 UPLCOM_TYPE_HX, 83 }; 84 85 struct uplcom_softc { 86 USBBASEDEVICE sc_dev; /* base device */ 87 usbd_device_handle sc_udev; /* USB device */ 88 usbd_interface_handle sc_iface; /* interface */ 89 int sc_iface_number; /* interface number */ 90 91 usbd_interface_handle sc_intr_iface; /* interrupt interface */ 92 int sc_intr_number; /* interrupt number */ 93 usbd_pipe_handle sc_intr_pipe; /* interrupt pipe */ 94 u_char *sc_intr_buf; /* interrupt buffer */ 95 int sc_isize; 96 97 usb_cdc_line_state_t sc_line_state; /* current line state */ 98 int sc_dtr; /* current DTR state */ 99 int sc_rts; /* current RTS state */ 100 101 device_ptr_t sc_subdev; /* ucom device */ 102 103 u_char sc_dying; /* disconnecting */ 104 105 u_char sc_lsr; /* Local status register */ 106 u_char sc_msr; /* uplcom status register */ 107 108 enum pl2303_type sc_type; /* PL2303 chip type */ 109 }; 110 111 /* 112 * These are the maximum number of bytes transferred per frame. 113 * The output buffer size cannot be increased due to the size encoding. 114 */ 115 #define UPLCOMIBUFSIZE 256 116 #define UPLCOMOBUFSIZE 256 117 118 Static usbd_status uplcom_reset(struct uplcom_softc *); 119 Static usbd_status uplcom_set_line_coding(struct uplcom_softc *sc, 120 usb_cdc_line_state_t *state); 121 Static usbd_status uplcom_set_crtscts(struct uplcom_softc *); 122 Static void uplcom_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 123 124 Static void uplcom_set(void *, int, int, int); 125 Static void uplcom_dtr(struct uplcom_softc *, int); 126 Static void uplcom_rts(struct uplcom_softc *, int); 127 Static void uplcom_break(struct uplcom_softc *, int); 128 Static void uplcom_set_line_state(struct uplcom_softc *); 129 Static void uplcom_get_status(void *, int portno, u_char *lsr, u_char *msr); 130 #if TODO 131 Static int uplcom_ioctl(void *, int, u_long, void *, int, usb_proc_ptr ); 132 #endif 133 Static int uplcom_param(void *, int, struct termios *); 134 Static int uplcom_open(void *, int); 135 Static void uplcom_close(void *, int); 136 Static usbd_status uplcom_vendor_control_write(usbd_device_handle, u_int16_t, u_int16_t); 137 138 struct ucom_methods uplcom_methods = { 139 uplcom_get_status, 140 uplcom_set, 141 uplcom_param, 142 NULL, /* uplcom_ioctl, TODO */ 143 uplcom_open, 144 uplcom_close, 145 NULL, 146 NULL, 147 }; 148 149 static const struct usb_devno uplcom_devs[] = { 150 /* I/O DATA USB-RSAQ2 */ 151 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ2 }, 152 /* I/O DATA USB-RSAQ3 */ 153 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ3 }, 154 /* I/O DATA USB-RSAQ */ 155 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ }, 156 /* I/O DATA USB-RSAQ5 */ 157 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ5 }, 158 /* PLANEX USB-RS232 URS-03 */ 159 { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC232A }, 160 /* various */ 161 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303 }, 162 /* SMART Technologies USB to serial */ 163 { USB_VENDOR_PROLIFIC2, USB_PRODUCT_PROLIFIC2_PL2303 }, 164 /* IOGEAR/ATENTRIPPLITE */ 165 { USB_VENDOR_TRIPPLITE, USB_PRODUCT_TRIPPLITE_U209 }, 166 /* ELECOM UC-SGT */ 167 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT }, 168 /* ELECOM UC-SGT0 */ 169 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT0 }, 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 /* Willcom WS002IN (DD) */ 191 { USB_VENDOR_NETINDEX, USB_PRODUCT_NETINDEX_WS002IN }, 192 /* COREGA CG-USBRS232R */ 193 { USB_VENDOR_COREGA, USB_PRODUCT_COREGA_CGUSBRS232R }, 194 }; 195 #define uplcom_lookup(v, p) usb_lookup(uplcom_devs, v, p) 196 197 int uplcom_match(device_t, cfdata_t, void *); 198 void uplcom_attach(device_t, device_t, void *); 199 void uplcom_childdet(device_t, device_t); 200 int uplcom_detach(device_t, int); 201 int uplcom_activate(device_t, enum devact); 202 extern struct cfdriver uplcom_cd; 203 CFATTACH_DECL2_NEW(uplcom, sizeof(struct uplcom_softc), uplcom_match, 204 uplcom_attach, uplcom_detach, uplcom_activate, NULL, uplcom_childdet); 205 206 USB_MATCH(uplcom) 207 { 208 USB_MATCH_START(uplcom, uaa); 209 210 return (uplcom_lookup(uaa->vendor, uaa->product) != NULL ? 211 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 212 } 213 214 USB_ATTACH(uplcom) 215 { 216 USB_ATTACH_START(uplcom, sc, uaa); 217 usbd_device_handle dev = uaa->device; 218 usb_device_descriptor_t *ddesc; 219 usb_config_descriptor_t *cdesc; 220 usb_interface_descriptor_t *id; 221 usb_endpoint_descriptor_t *ed; 222 char *devinfop; 223 const char *devname = device_xname(self); 224 usbd_status err; 225 int i; 226 struct ucom_attach_args uca; 227 228 sc->sc_dev = self; 229 230 devinfop = usbd_devinfo_alloc(dev, 0); 231 USB_ATTACH_SETUP; 232 aprint_normal_dev(self, "%s\n", devinfop); 233 usbd_devinfo_free(devinfop); 234 235 sc->sc_udev = dev; 236 237 DPRINTF(("\n\nuplcom attach: sc=%p\n", sc)); 238 239 /* initialize endpoints */ 240 uca.bulkin = uca.bulkout = -1; 241 sc->sc_intr_number = -1; 242 sc->sc_intr_pipe = NULL; 243 244 /* Move the device into the configured state. */ 245 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); 246 if (err) { 247 aprint_error("\n%s: failed to set configuration, err=%s\n", 248 devname, usbd_errstr(err)); 249 sc->sc_dying = 1; 250 USB_ATTACH_ERROR_RETURN; 251 } 252 253 /* determine chip type */ 254 ddesc = usbd_get_device_descriptor(dev); 255 if (ddesc->bDeviceClass != UDCLASS_COMM && 256 ddesc->bMaxPacketSize == 0x40) 257 sc->sc_type = UPLCOM_TYPE_HX; 258 259 #ifdef UPLCOM_DEBUG 260 /* print the chip type */ 261 if (sc->sc_type == UPLCOM_TYPE_HX) { 262 DPRINTF(("uplcom_attach: chiptype HX\n")); 263 } else { 264 DPRINTF(("uplcom_attach: chiptype 0\n")); 265 } 266 #endif 267 268 /* Move the device into the configured state. */ 269 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); 270 if (err) { 271 aprint_error_dev(self, "failed to set configuration: %s\n", 272 usbd_errstr(err)); 273 sc->sc_dying = 1; 274 USB_ATTACH_ERROR_RETURN; 275 } 276 277 /* get the config descriptor */ 278 cdesc = usbd_get_config_descriptor(sc->sc_udev); 279 280 if (cdesc == NULL) { 281 aprint_error_dev(self, 282 "failed to get configuration descriptor\n"); 283 sc->sc_dying = 1; 284 USB_ATTACH_ERROR_RETURN; 285 } 286 287 /* get the (first/common) interface */ 288 err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX, 289 &sc->sc_iface); 290 if (err) { 291 aprint_error("\n%s: failed to get interface, err=%s\n", 292 devname, usbd_errstr(err)); 293 sc->sc_dying = 1; 294 USB_ATTACH_ERROR_RETURN; 295 } 296 297 /* Find the interrupt endpoints */ 298 299 id = usbd_get_interface_descriptor(sc->sc_iface); 300 sc->sc_iface_number = id->bInterfaceNumber; 301 302 for (i = 0; i < id->bNumEndpoints; i++) { 303 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 304 if (ed == NULL) { 305 aprint_error_dev(self, 306 "no endpoint descriptor for %d\n", i); 307 sc->sc_dying = 1; 308 USB_ATTACH_ERROR_RETURN; 309 } 310 311 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 312 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 313 sc->sc_intr_number = ed->bEndpointAddress; 314 sc->sc_isize = UGETW(ed->wMaxPacketSize); 315 } 316 } 317 318 if (sc->sc_intr_number== -1) { 319 aprint_error_dev(self, "Could not find interrupt in\n"); 320 sc->sc_dying = 1; 321 USB_ATTACH_ERROR_RETURN; 322 } 323 324 /* keep interface for interrupt */ 325 sc->sc_intr_iface = sc->sc_iface; 326 327 /* 328 * USB-RSAQ1 has two interface 329 * 330 * USB-RSAQ1 | USB-RSAQ2 331 * -----------------+----------------- 332 * Interface 0 |Interface 0 333 * Interrupt(0x81) | Interrupt(0x81) 334 * -----------------+ BulkIN(0x02) 335 * Interface 1 | BulkOUT(0x83) 336 * BulkIN(0x02) | 337 * BulkOUT(0x83) | 338 */ 339 if (cdesc->bNumInterface == 2) { 340 err = usbd_device2interface_handle(dev, 341 UPLCOM_SECOND_IFACE_INDEX, &sc->sc_iface); 342 if (err) { 343 aprint_error("\n%s: failed to get second interface, err=%s\n", 344 devname, usbd_errstr(err)); 345 sc->sc_dying = 1; 346 USB_ATTACH_ERROR_RETURN; 347 } 348 } 349 350 /* Find the bulk{in,out} endpoints */ 351 352 id = usbd_get_interface_descriptor(sc->sc_iface); 353 sc->sc_iface_number = id->bInterfaceNumber; 354 355 for (i = 0; i < id->bNumEndpoints; i++) { 356 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 357 if (ed == NULL) { 358 aprint_error_dev(self, 359 "no endpoint descriptor for %d\n", i); 360 sc->sc_dying = 1; 361 USB_ATTACH_ERROR_RETURN; 362 } 363 364 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 365 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 366 uca.bulkin = ed->bEndpointAddress; 367 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 368 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 369 uca.bulkout = ed->bEndpointAddress; 370 } 371 } 372 373 if (uca.bulkin == -1) { 374 aprint_error_dev(self, "Could not find data bulk in\n"); 375 sc->sc_dying = 1; 376 USB_ATTACH_ERROR_RETURN; 377 } 378 379 if (uca.bulkout == -1) { 380 aprint_error_dev(self, "Could not find data bulk out\n"); 381 sc->sc_dying = 1; 382 USB_ATTACH_ERROR_RETURN; 383 } 384 385 sc->sc_dtr = sc->sc_rts = -1; 386 uca.portno = UCOM_UNK_PORTNO; 387 /* bulkin, bulkout set above */ 388 uca.ibufsize = UPLCOMIBUFSIZE; 389 uca.obufsize = UPLCOMOBUFSIZE; 390 uca.ibufsizepad = UPLCOMIBUFSIZE; 391 uca.opkthdrlen = 0; 392 uca.device = dev; 393 uca.iface = sc->sc_iface; 394 uca.methods = &uplcom_methods; 395 uca.arg = sc; 396 uca.info = NULL; 397 398 err = uplcom_reset(sc); 399 400 if (err) { 401 aprint_error_dev(self, "reset failed, %s\n", usbd_errstr(err)); 402 sc->sc_dying = 1; 403 USB_ATTACH_ERROR_RETURN; 404 } 405 406 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 407 USBDEV(sc->sc_dev)); 408 409 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 410 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 411 sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &uca, 412 ucomprint, ucomsubmatch); 413 414 USB_ATTACH_SUCCESS_RETURN; 415 } 416 417 void 418 uplcom_childdet(device_t self, device_t child) 419 { 420 struct uplcom_softc *sc = device_private(self); 421 422 KASSERT(sc->sc_subdev == child); 423 sc->sc_subdev = NULL; 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); 443 444 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 445 USBDEV(sc->sc_dev)); 446 447 return (rv); 448 } 449 450 int 451 uplcom_activate(device_t self, enum devact act) 452 { 453 struct uplcom_softc *sc = device_private(self); 454 int rv = 0; 455 456 switch (act) { 457 case DVACT_ACTIVATE: 458 return (EOPNOTSUPP); 459 460 case DVACT_DEACTIVATE: 461 if (sc->sc_subdev != NULL) 462 rv = config_deactivate(sc->sc_subdev); 463 sc->sc_dying = 1; 464 break; 465 } 466 return (rv); 467 } 468 469 usbd_status 470 uplcom_reset(struct uplcom_softc *sc) 471 { 472 usb_device_request_t req; 473 usbd_status err; 474 475 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 476 req.bRequest = UPLCOM_SET_REQUEST; 477 USETW(req.wValue, 0); 478 USETW(req.wIndex, sc->sc_iface_number); 479 USETW(req.wLength, 0); 480 481 err = usbd_do_request(sc->sc_udev, &req, 0); 482 if (err) 483 return (EIO); 484 485 return (0); 486 } 487 488 struct pl2303x_init { 489 uint8_t req_type; 490 uint8_t request; 491 uint16_t value; 492 uint16_t index; 493 uint16_t length; 494 }; 495 496 static const struct pl2303x_init pl2303x[] = { 497 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0, 0 }, 498 { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x0404, 0, 0 }, 499 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0, 0 }, 500 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8383, 0, 0 }, 501 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0, 0 }, 502 { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x0404, 1, 0 }, 503 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0, 0 }, 504 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8383, 0, 0 }, 505 { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0, 1, 0 }, 506 { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 1, 0, 0 }, 507 { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 2, 0x44, 0 } 508 }; 509 #define N_PL2302X_INIT (sizeof(pl2303x)/sizeof(pl2303x[0])) 510 511 static usbd_status 512 uplcom_pl2303x_init(struct uplcom_softc *sc) 513 { 514 usb_device_request_t req; 515 usbd_status err; 516 int i; 517 518 for (i = 0; i < N_PL2302X_INIT; i++) { 519 req.bmRequestType = pl2303x[i].req_type; 520 req.bRequest = pl2303x[i].request; 521 USETW(req.wValue, pl2303x[i].value); 522 USETW(req.wIndex, pl2303x[i].index); 523 USETW(req.wLength, pl2303x[i].length); 524 525 err = usbd_do_request(sc->sc_udev, &req, 0); 526 if (err) { 527 aprint_error_dev(sc->sc_dev, 528 "uplcom_pl2303x_init failed: %s\n", 529 usbd_errstr(err)); 530 return (EIO); 531 } 532 } 533 534 return (0); 535 } 536 537 void 538 uplcom_set_line_state(struct uplcom_softc *sc) 539 { 540 usb_device_request_t req; 541 int ls; 542 543 /* make sure we have initialized state for sc_dtr and sc_rts */ 544 if (sc->sc_dtr == -1) 545 sc->sc_dtr = 0; 546 if (sc->sc_rts == -1) 547 sc->sc_rts = 0; 548 549 ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) | 550 (sc->sc_rts ? UCDC_LINE_RTS : 0); 551 552 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 553 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 554 USETW(req.wValue, ls); 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 void 562 uplcom_set(void *addr, int portno, int reg, int onoff) 563 { 564 struct uplcom_softc *sc = addr; 565 566 switch (reg) { 567 case UCOM_SET_DTR: 568 uplcom_dtr(sc, onoff); 569 break; 570 case UCOM_SET_RTS: 571 uplcom_rts(sc, onoff); 572 break; 573 case UCOM_SET_BREAK: 574 uplcom_break(sc, onoff); 575 break; 576 default: 577 break; 578 } 579 } 580 581 void 582 uplcom_dtr(struct uplcom_softc *sc, int onoff) 583 { 584 585 DPRINTF(("uplcom_dtr: onoff=%d\n", onoff)); 586 587 if (sc->sc_dtr != -1 && !sc->sc_dtr == !onoff) 588 return; 589 590 sc->sc_dtr = !!onoff; 591 592 uplcom_set_line_state(sc); 593 } 594 595 void 596 uplcom_rts(struct uplcom_softc *sc, int onoff) 597 { 598 DPRINTF(("uplcom_rts: onoff=%d\n", onoff)); 599 600 if (sc->sc_rts != -1 && !sc->sc_rts == !onoff) 601 return; 602 603 sc->sc_rts = !!onoff; 604 605 uplcom_set_line_state(sc); 606 } 607 608 void 609 uplcom_break(struct uplcom_softc *sc, int onoff) 610 { 611 usb_device_request_t req; 612 613 DPRINTF(("uplcom_break: onoff=%d\n", onoff)); 614 615 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 616 req.bRequest = UCDC_SEND_BREAK; 617 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 618 USETW(req.wIndex, sc->sc_iface_number); 619 USETW(req.wLength, 0); 620 621 (void)usbd_do_request(sc->sc_udev, &req, 0); 622 } 623 624 usbd_status 625 uplcom_set_crtscts(struct uplcom_softc *sc) 626 { 627 usb_device_request_t req; 628 usbd_status err; 629 630 DPRINTF(("uplcom_set_crtscts: on\n")); 631 632 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 633 req.bRequest = UPLCOM_SET_REQUEST; 634 USETW(req.wValue, 0); 635 if (sc->sc_type == UPLCOM_TYPE_HX) 636 USETW(req.wIndex, UPLCOM_SET_CRTSCTS_HX); 637 else 638 USETW(req.wIndex, UPLCOM_SET_CRTSCTS_0); 639 USETW(req.wLength, 0); 640 641 err = usbd_do_request(sc->sc_udev, &req, 0); 642 if (err) { 643 DPRINTF(("uplcom_set_crtscts: failed, err=%s\n", 644 usbd_errstr(err))); 645 return (err); 646 } 647 648 return (USBD_NORMAL_COMPLETION); 649 } 650 651 usbd_status 652 uplcom_set_line_coding(struct uplcom_softc *sc, usb_cdc_line_state_t *state) 653 { 654 usb_device_request_t req; 655 usbd_status err; 656 657 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n", 658 UGETDW(state->dwDTERate), state->bCharFormat, 659 state->bParityType, state->bDataBits)); 660 661 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { 662 DPRINTF(("uplcom_set_line_coding: already set\n")); 663 return (USBD_NORMAL_COMPLETION); 664 } 665 666 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 667 req.bRequest = UCDC_SET_LINE_CODING; 668 USETW(req.wValue, 0); 669 USETW(req.wIndex, sc->sc_iface_number); 670 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 671 672 err = usbd_do_request(sc->sc_udev, &req, state); 673 if (err) { 674 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n", 675 usbd_errstr(err))); 676 return (err); 677 } 678 679 sc->sc_line_state = *state; 680 681 return (USBD_NORMAL_COMPLETION); 682 } 683 684 int 685 uplcom_param(void *addr, int portno, struct termios *t) 686 { 687 struct uplcom_softc *sc = addr; 688 usbd_status err; 689 usb_cdc_line_state_t ls; 690 691 DPRINTF(("uplcom_param: sc=%p\n", sc)); 692 693 USETDW(ls.dwDTERate, t->c_ospeed); 694 if (ISSET(t->c_cflag, CSTOPB)) 695 ls.bCharFormat = UCDC_STOP_BIT_2; 696 else 697 ls.bCharFormat = UCDC_STOP_BIT_1; 698 if (ISSET(t->c_cflag, PARENB)) { 699 if (ISSET(t->c_cflag, PARODD)) 700 ls.bParityType = UCDC_PARITY_ODD; 701 else 702 ls.bParityType = UCDC_PARITY_EVEN; 703 } else 704 ls.bParityType = UCDC_PARITY_NONE; 705 switch (ISSET(t->c_cflag, CSIZE)) { 706 case CS5: 707 ls.bDataBits = 5; 708 break; 709 case CS6: 710 ls.bDataBits = 6; 711 break; 712 case CS7: 713 ls.bDataBits = 7; 714 break; 715 case CS8: 716 ls.bDataBits = 8; 717 break; 718 } 719 720 err = uplcom_set_line_coding(sc, &ls); 721 if (err) { 722 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 723 return (EIO); 724 } 725 726 if (ISSET(t->c_cflag, CRTSCTS)) 727 uplcom_set_crtscts(sc); 728 729 if (sc->sc_rts == -1 || sc->sc_dtr == -1) 730 uplcom_set_line_state(sc); 731 732 if (err) { 733 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 734 return (EIO); 735 } 736 737 return (0); 738 } 739 740 Static usbd_status 741 uplcom_vendor_control_write(usbd_device_handle dev, u_int16_t value, u_int16_t index) 742 { 743 usb_device_request_t req; 744 usbd_status err; 745 746 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 747 req.bRequest = UPLCOM_SET_REQUEST; 748 USETW(req.wValue, value); 749 USETW(req.wIndex, index); 750 USETW(req.wLength, 0); 751 752 err = usbd_do_request(dev, &req, NULL); 753 754 if (err) { 755 DPRINTF(("uplcom_open: vendor write failed, err=%s (%d)\n", 756 usbd_errstr(err), err)); 757 } 758 759 return err; 760 } 761 762 int 763 uplcom_open(void *addr, int portno) 764 { 765 struct uplcom_softc *sc = addr; 766 usbd_status err; 767 768 if (sc->sc_dying) 769 return (EIO); 770 771 DPRINTF(("uplcom_open: sc=%p\n", sc)); 772 773 /* Some unknown device frobbing. */ 774 if (sc->sc_type == UPLCOM_TYPE_HX) 775 uplcom_vendor_control_write(sc->sc_udev, 2, 0x44); 776 else 777 uplcom_vendor_control_write(sc->sc_udev, 2, 0x24); 778 779 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 780 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 781 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, 782 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, 783 sc->sc_intr_buf, sc->sc_isize, 784 uplcom_intr, USBD_DEFAULT_INTERVAL); 785 if (err) { 786 DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n", 787 USBDEVNAME(sc->sc_dev), sc->sc_intr_number)); 788 return (EIO); 789 } 790 } 791 792 if (sc->sc_type == UPLCOM_TYPE_HX) 793 return (uplcom_pl2303x_init(sc)); 794 795 return (0); 796 } 797 798 void 799 uplcom_close(void *addr, int portno) 800 { 801 struct uplcom_softc *sc = addr; 802 int err; 803 804 if (sc->sc_dying) 805 return; 806 807 DPRINTF(("uplcom_close: close\n")); 808 809 if (sc->sc_intr_pipe != NULL) { 810 err = usbd_abort_pipe(sc->sc_intr_pipe); 811 if (err) 812 printf("%s: abort interrupt pipe failed: %s\n", 813 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 814 err = usbd_close_pipe(sc->sc_intr_pipe); 815 if (err) 816 printf("%s: close interrupt pipe failed: %s\n", 817 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 818 free(sc->sc_intr_buf, M_USBDEV); 819 sc->sc_intr_pipe = NULL; 820 } 821 } 822 823 void 824 uplcom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, 825 usbd_status status) 826 { 827 struct uplcom_softc *sc = priv; 828 u_char *buf = sc->sc_intr_buf; 829 u_char pstatus; 830 831 if (sc->sc_dying) 832 return; 833 834 if (status != USBD_NORMAL_COMPLETION) { 835 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 836 return; 837 838 DPRINTF(("%s: abnormal status: %s\n", USBDEVNAME(sc->sc_dev), 839 usbd_errstr(status))); 840 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 841 return; 842 } 843 844 DPRINTF(("%s: uplcom status = %02x\n", USBDEVNAME(sc->sc_dev), buf[8])); 845 846 sc->sc_lsr = sc->sc_msr = 0; 847 pstatus = buf[8]; 848 if (ISSET(pstatus, RSAQ_STATUS_DSR)) 849 sc->sc_msr |= UMSR_DSR; 850 if (ISSET(pstatus, RSAQ_STATUS_DCD)) 851 sc->sc_msr |= UMSR_DCD; 852 ucom_status_change(device_private(sc->sc_subdev)); 853 } 854 855 void 856 uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 857 { 858 struct uplcom_softc *sc = addr; 859 860 DPRINTF(("uplcom_get_status:\n")); 861 862 if (lsr != NULL) 863 *lsr = sc->sc_lsr; 864 if (msr != NULL) 865 *msr = sc->sc_msr; 866 } 867 868 #if TODO 869 int 870 uplcom_ioctl(void *addr, int portno, u_long cmd, void *data, int flag, 871 usb_proc_ptr p) 872 { 873 struct uplcom_softc *sc = addr; 874 int error = 0; 875 876 if (sc->sc_dying) 877 return (EIO); 878 879 DPRINTF(("uplcom_ioctl: cmd=0x%08lx\n", cmd)); 880 881 switch (cmd) { 882 case TIOCNOTTY: 883 case TIOCMGET: 884 case TIOCMSET: 885 case USB_GET_CM_OVER_DATA: 886 case USB_SET_CM_OVER_DATA: 887 break; 888 889 default: 890 DPRINTF(("uplcom_ioctl: unknown\n")); 891 error = ENOTTY; 892 break; 893 } 894 895 return (error); 896 } 897 #endif 898
Indexes created Fri Sep 26 20:09:58 GMT 2025