uplcom.c revision 1.66
1 /* $NetBSD: uplcom.c,v 1.66 2008/09/16 20:00:17 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 * 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 1.66 2008/09/16 20:00:17 martin 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 }; 193 #define uplcom_lookup(v, p) usb_lookup(uplcom_devs, v, p) 194 195 int uplcom_match(device_t, cfdata_t, void *); 196 void uplcom_attach(device_t, device_t, void *); 197 void uplcom_childdet(device_t, device_t); 198 int uplcom_detach(device_t, int); 199 int uplcom_activate(device_t, enum devact); 200 extern struct cfdriver uplcom_cd; 201 CFATTACH_DECL2_NEW(uplcom, sizeof(struct uplcom_softc), uplcom_match, 202 uplcom_attach, uplcom_detach, uplcom_activate, NULL, uplcom_childdet); 203 204 USB_MATCH(uplcom) 205 { 206 USB_MATCH_START(uplcom, uaa); 207 208 return (uplcom_lookup(uaa->vendor, uaa->product) != NULL ? 209 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 210 } 211 212 USB_ATTACH(uplcom) 213 { 214 USB_ATTACH_START(uplcom, sc, uaa); 215 usbd_device_handle dev = uaa->device; 216 usb_device_descriptor_t *ddesc; 217 usb_config_descriptor_t *cdesc; 218 usb_interface_descriptor_t *id; 219 usb_endpoint_descriptor_t *ed; 220 char *devinfop; 221 const char *devname = device_xname(self); 222 usbd_status err; 223 int i; 224 struct ucom_attach_args uca; 225 226 sc->sc_dev = self; 227 228 devinfop = usbd_devinfo_alloc(dev, 0); 229 USB_ATTACH_SETUP; 230 aprint_normal_dev(self, "%s\n", devinfop); 231 usbd_devinfo_free(devinfop); 232 233 sc->sc_udev = dev; 234 235 DPRINTF(("\n\nuplcom attach: sc=%p\n", sc)); 236 237 /* initialize endpoints */ 238 uca.bulkin = uca.bulkout = -1; 239 sc->sc_intr_number = -1; 240 sc->sc_intr_pipe = NULL; 241 242 /* Move the device into the configured state. */ 243 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); 244 if (err) { 245 aprint_error("\n%s: failed to set configuration, err=%s\n", 246 devname, usbd_errstr(err)); 247 sc->sc_dying = 1; 248 USB_ATTACH_ERROR_RETURN; 249 } 250 251 /* determine chip type */ 252 ddesc = usbd_get_device_descriptor(dev); 253 if (ddesc->bDeviceClass != UDCLASS_COMM && 254 ddesc->bMaxPacketSize == 0x40) 255 sc->sc_type = UPLCOM_TYPE_HX; 256 257 #ifdef UPLCOM_DEBUG 258 /* print the chip type */ 259 if (sc->sc_type == UPLCOM_TYPE_HX) { 260 DPRINTF(("uplcom_attach: chiptype HX\n")); 261 } else { 262 DPRINTF(("uplcom_attach: chiptype 0\n")); 263 } 264 #endif 265 266 /* Move the device into the configured state. */ 267 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); 268 if (err) { 269 aprint_error_dev(self, "failed to set configuration: %s\n", 270 usbd_errstr(err)); 271 sc->sc_dying = 1; 272 USB_ATTACH_ERROR_RETURN; 273 } 274 275 /* get the config descriptor */ 276 cdesc = usbd_get_config_descriptor(sc->sc_udev); 277 278 if (cdesc == NULL) { 279 aprint_error_dev(self, 280 "failed to get configuration descriptor\n"); 281 sc->sc_dying = 1; 282 USB_ATTACH_ERROR_RETURN; 283 } 284 285 /* get the (first/common) interface */ 286 err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX, 287 &sc->sc_iface); 288 if (err) { 289 aprint_error("\n%s: failed to get interface, err=%s\n", 290 devname, usbd_errstr(err)); 291 sc->sc_dying = 1; 292 USB_ATTACH_ERROR_RETURN; 293 } 294 295 /* Find the interrupt endpoints */ 296 297 id = usbd_get_interface_descriptor(sc->sc_iface); 298 sc->sc_iface_number = id->bInterfaceNumber; 299 300 for (i = 0; i < id->bNumEndpoints; i++) { 301 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 302 if (ed == NULL) { 303 aprint_error_dev(self, 304 "no endpoint descriptor for %d\n", i); 305 sc->sc_dying = 1; 306 USB_ATTACH_ERROR_RETURN; 307 } 308 309 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 310 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 311 sc->sc_intr_number = ed->bEndpointAddress; 312 sc->sc_isize = UGETW(ed->wMaxPacketSize); 313 } 314 } 315 316 if (sc->sc_intr_number== -1) { 317 aprint_error_dev(self, "Could not find interrupt in\n"); 318 sc->sc_dying = 1; 319 USB_ATTACH_ERROR_RETURN; 320 } 321 322 /* keep interface for interrupt */ 323 sc->sc_intr_iface = sc->sc_iface; 324 325 /* 326 * USB-RSAQ1 has two interface 327 * 328 * USB-RSAQ1 | USB-RSAQ2 329 * -----------------+----------------- 330 * Interface 0 |Interface 0 331 * Interrupt(0x81) | Interrupt(0x81) 332 * -----------------+ BulkIN(0x02) 333 * Interface 1 | BulkOUT(0x83) 334 * BulkIN(0x02) | 335 * BulkOUT(0x83) | 336 */ 337 if (cdesc->bNumInterface == 2) { 338 err = usbd_device2interface_handle(dev, 339 UPLCOM_SECOND_IFACE_INDEX, &sc->sc_iface); 340 if (err) { 341 aprint_error("\n%s: failed to get second interface, err=%s\n", 342 devname, usbd_errstr(err)); 343 sc->sc_dying = 1; 344 USB_ATTACH_ERROR_RETURN; 345 } 346 } 347 348 /* Find the bulk{in,out} endpoints */ 349 350 id = usbd_get_interface_descriptor(sc->sc_iface); 351 sc->sc_iface_number = id->bInterfaceNumber; 352 353 for (i = 0; i < id->bNumEndpoints; i++) { 354 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 355 if (ed == NULL) { 356 aprint_error_dev(self, 357 "no endpoint descriptor for %d\n", i); 358 sc->sc_dying = 1; 359 USB_ATTACH_ERROR_RETURN; 360 } 361 362 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 363 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 364 uca.bulkin = ed->bEndpointAddress; 365 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 366 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 367 uca.bulkout = ed->bEndpointAddress; 368 } 369 } 370 371 if (uca.bulkin == -1) { 372 aprint_error_dev(self, "Could not find data bulk in\n"); 373 sc->sc_dying = 1; 374 USB_ATTACH_ERROR_RETURN; 375 } 376 377 if (uca.bulkout == -1) { 378 aprint_error_dev(self, "Could not find data bulk out\n"); 379 sc->sc_dying = 1; 380 USB_ATTACH_ERROR_RETURN; 381 } 382 383 sc->sc_dtr = sc->sc_rts = -1; 384 uca.portno = UCOM_UNK_PORTNO; 385 /* bulkin, bulkout set above */ 386 uca.ibufsize = UPLCOMIBUFSIZE; 387 uca.obufsize = UPLCOMOBUFSIZE; 388 uca.ibufsizepad = UPLCOMIBUFSIZE; 389 uca.opkthdrlen = 0; 390 uca.device = dev; 391 uca.iface = sc->sc_iface; 392 uca.methods = &uplcom_methods; 393 uca.arg = sc; 394 uca.info = NULL; 395 396 err = uplcom_reset(sc); 397 398 if (err) { 399 aprint_error_dev(self, "reset failed, %s\n", usbd_errstr(err)); 400 sc->sc_dying = 1; 401 USB_ATTACH_ERROR_RETURN; 402 } 403 404 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 405 USBDEV(sc->sc_dev)); 406 407 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 408 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 409 sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &uca, 410 ucomprint, ucomsubmatch); 411 412 USB_ATTACH_SUCCESS_RETURN; 413 } 414 415 void 416 uplcom_childdet(device_t self, device_t child) 417 { 418 struct uplcom_softc *sc = device_private(self); 419 420 KASSERT(sc->sc_subdev == child); 421 sc->sc_subdev = NULL; 422 } 423 424 USB_DETACH(uplcom) 425 { 426 USB_DETACH_START(uplcom, sc); 427 int rv = 0; 428 429 DPRINTF(("uplcom_detach: sc=%p flags=%d\n", sc, flags)); 430 431 if (sc->sc_intr_pipe != NULL) { 432 usbd_abort_pipe(sc->sc_intr_pipe); 433 usbd_close_pipe(sc->sc_intr_pipe); 434 free(sc->sc_intr_buf, M_USBDEV); 435 sc->sc_intr_pipe = NULL; 436 } 437 438 sc->sc_dying = 1; 439 if (sc->sc_subdev != NULL) 440 rv = config_detach(sc->sc_subdev, flags); 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_t self, enum devact act) 450 { 451 struct uplcom_softc *sc = device_private(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 struct pl2303x_init { 487 uint8_t req_type; 488 uint8_t request; 489 uint16_t value; 490 uint16_t index; 491 uint16_t length; 492 }; 493 494 static const struct pl2303x_init pl2303x[] = { 495 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0, 0 }, 496 { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x0404, 0, 0 }, 497 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0, 0 }, 498 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8383, 0, 0 }, 499 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0, 0 }, 500 { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x0404, 1, 0 }, 501 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0, 0 }, 502 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8383, 0, 0 }, 503 { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0, 1, 0 }, 504 { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 1, 0, 0 }, 505 { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 2, 0x44, 0 } 506 }; 507 #define N_PL2302X_INIT (sizeof(pl2303x)/sizeof(pl2303x[0])) 508 509 static usbd_status 510 uplcom_pl2303x_init(struct uplcom_softc *sc) 511 { 512 usb_device_request_t req; 513 usbd_status err; 514 int i; 515 516 for (i = 0; i < N_PL2302X_INIT; i++) { 517 req.bmRequestType = pl2303x[i].req_type; 518 req.bRequest = pl2303x[i].request; 519 USETW(req.wValue, pl2303x[i].value); 520 USETW(req.wIndex, pl2303x[i].index); 521 USETW(req.wLength, pl2303x[i].length); 522 523 err = usbd_do_request(sc->sc_udev, &req, 0); 524 if (err) { 525 aprint_error_dev(sc->sc_dev, 526 "uplcom_pl2303x_init failed: %s\n", 527 usbd_errstr(err)); 528 return (EIO); 529 } 530 } 531 532 return (0); 533 } 534 535 void 536 uplcom_set_line_state(struct uplcom_softc *sc) 537 { 538 usb_device_request_t req; 539 int ls; 540 541 /* make sure we have initialized state for sc_dtr and sc_rts */ 542 if (sc->sc_dtr == -1) 543 sc->sc_dtr = 0; 544 if (sc->sc_rts == -1) 545 sc->sc_rts = 0; 546 547 ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) | 548 (sc->sc_rts ? UCDC_LINE_RTS : 0); 549 550 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 551 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 552 USETW(req.wValue, ls); 553 USETW(req.wIndex, sc->sc_iface_number); 554 USETW(req.wLength, 0); 555 556 (void)usbd_do_request(sc->sc_udev, &req, 0); 557 } 558 559 void 560 uplcom_set(void *addr, int portno, int reg, int onoff) 561 { 562 struct uplcom_softc *sc = addr; 563 564 switch (reg) { 565 case UCOM_SET_DTR: 566 uplcom_dtr(sc, onoff); 567 break; 568 case UCOM_SET_RTS: 569 uplcom_rts(sc, onoff); 570 break; 571 case UCOM_SET_BREAK: 572 uplcom_break(sc, onoff); 573 break; 574 default: 575 break; 576 } 577 } 578 579 void 580 uplcom_dtr(struct uplcom_softc *sc, int onoff) 581 { 582 583 DPRINTF(("uplcom_dtr: onoff=%d\n", onoff)); 584 585 if (sc->sc_dtr != -1 && !sc->sc_dtr == !onoff) 586 return; 587 588 sc->sc_dtr = !!onoff; 589 590 uplcom_set_line_state(sc); 591 } 592 593 void 594 uplcom_rts(struct uplcom_softc *sc, int onoff) 595 { 596 DPRINTF(("uplcom_rts: onoff=%d\n", onoff)); 597 598 if (sc->sc_rts != -1 && !sc->sc_rts == !onoff) 599 return; 600 601 sc->sc_rts = !!onoff; 602 603 uplcom_set_line_state(sc); 604 } 605 606 void 607 uplcom_break(struct uplcom_softc *sc, int onoff) 608 { 609 usb_device_request_t req; 610 611 DPRINTF(("uplcom_break: onoff=%d\n", onoff)); 612 613 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 614 req.bRequest = UCDC_SEND_BREAK; 615 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 616 USETW(req.wIndex, sc->sc_iface_number); 617 USETW(req.wLength, 0); 618 619 (void)usbd_do_request(sc->sc_udev, &req, 0); 620 } 621 622 usbd_status 623 uplcom_set_crtscts(struct uplcom_softc *sc) 624 { 625 usb_device_request_t req; 626 usbd_status err; 627 628 DPRINTF(("uplcom_set_crtscts: on\n")); 629 630 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 631 req.bRequest = UPLCOM_SET_REQUEST; 632 USETW(req.wValue, 0); 633 if (sc->sc_type == UPLCOM_TYPE_HX) 634 USETW(req.wIndex, UPLCOM_SET_CRTSCTS_HX); 635 else 636 USETW(req.wIndex, UPLCOM_SET_CRTSCTS_0); 637 USETW(req.wLength, 0); 638 639 err = usbd_do_request(sc->sc_udev, &req, 0); 640 if (err) { 641 DPRINTF(("uplcom_set_crtscts: failed, err=%s\n", 642 usbd_errstr(err))); 643 return (err); 644 } 645 646 return (USBD_NORMAL_COMPLETION); 647 } 648 649 usbd_status 650 uplcom_set_line_coding(struct uplcom_softc *sc, usb_cdc_line_state_t *state) 651 { 652 usb_device_request_t req; 653 usbd_status err; 654 655 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n", 656 UGETDW(state->dwDTERate), state->bCharFormat, 657 state->bParityType, state->bDataBits)); 658 659 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { 660 DPRINTF(("uplcom_set_line_coding: already set\n")); 661 return (USBD_NORMAL_COMPLETION); 662 } 663 664 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 665 req.bRequest = UCDC_SET_LINE_CODING; 666 USETW(req.wValue, 0); 667 USETW(req.wIndex, sc->sc_iface_number); 668 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 669 670 err = usbd_do_request(sc->sc_udev, &req, state); 671 if (err) { 672 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n", 673 usbd_errstr(err))); 674 return (err); 675 } 676 677 sc->sc_line_state = *state; 678 679 return (USBD_NORMAL_COMPLETION); 680 } 681 682 int 683 uplcom_param(void *addr, int portno, struct termios *t) 684 { 685 struct uplcom_softc *sc = addr; 686 usbd_status err; 687 usb_cdc_line_state_t ls; 688 689 DPRINTF(("uplcom_param: sc=%p\n", sc)); 690 691 USETDW(ls.dwDTERate, t->c_ospeed); 692 if (ISSET(t->c_cflag, CSTOPB)) 693 ls.bCharFormat = UCDC_STOP_BIT_2; 694 else 695 ls.bCharFormat = UCDC_STOP_BIT_1; 696 if (ISSET(t->c_cflag, PARENB)) { 697 if (ISSET(t->c_cflag, PARODD)) 698 ls.bParityType = UCDC_PARITY_ODD; 699 else 700 ls.bParityType = UCDC_PARITY_EVEN; 701 } else 702 ls.bParityType = UCDC_PARITY_NONE; 703 switch (ISSET(t->c_cflag, CSIZE)) { 704 case CS5: 705 ls.bDataBits = 5; 706 break; 707 case CS6: 708 ls.bDataBits = 6; 709 break; 710 case CS7: 711 ls.bDataBits = 7; 712 break; 713 case CS8: 714 ls.bDataBits = 8; 715 break; 716 } 717 718 err = uplcom_set_line_coding(sc, &ls); 719 if (err) { 720 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 721 return (EIO); 722 } 723 724 if (ISSET(t->c_cflag, CRTSCTS)) 725 uplcom_set_crtscts(sc); 726 727 if (sc->sc_rts == -1 || sc->sc_dtr == -1) 728 uplcom_set_line_state(sc); 729 730 if (err) { 731 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 732 return (EIO); 733 } 734 735 return (0); 736 } 737 738 Static usbd_status 739 uplcom_vendor_control_write(usbd_device_handle dev, u_int16_t value, u_int16_t index) 740 { 741 usb_device_request_t req; 742 usbd_status err; 743 744 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 745 req.bRequest = UPLCOM_SET_REQUEST; 746 USETW(req.wValue, value); 747 USETW(req.wIndex, index); 748 USETW(req.wLength, 0); 749 750 err = usbd_do_request(dev, &req, NULL); 751 752 if (err) { 753 DPRINTF(("uplcom_open: vendor write failed, err=%s (%d)\n", 754 usbd_errstr(err), err)); 755 } 756 757 return err; 758 } 759 760 int 761 uplcom_open(void *addr, int portno) 762 { 763 struct uplcom_softc *sc = addr; 764 usbd_status err; 765 766 if (sc->sc_dying) 767 return (EIO); 768 769 DPRINTF(("uplcom_open: sc=%p\n", sc)); 770 771 /* Some unknown device frobbing. */ 772 if (sc->sc_type == UPLCOM_TYPE_HX) 773 uplcom_vendor_control_write(sc->sc_udev, 2, 0x44); 774 else 775 uplcom_vendor_control_write(sc->sc_udev, 2, 0x24); 776 777 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 778 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 779 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, 780 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, 781 sc->sc_intr_buf, sc->sc_isize, 782 uplcom_intr, USBD_DEFAULT_INTERVAL); 783 if (err) { 784 DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n", 785 USBDEVNAME(sc->sc_dev), sc->sc_intr_number)); 786 return (EIO); 787 } 788 } 789 790 if (sc->sc_type == UPLCOM_TYPE_HX) 791 return (uplcom_pl2303x_init(sc)); 792 793 return (0); 794 } 795 796 void 797 uplcom_close(void *addr, int portno) 798 { 799 struct uplcom_softc *sc = addr; 800 int err; 801 802 if (sc->sc_dying) 803 return; 804 805 DPRINTF(("uplcom_close: close\n")); 806 807 if (sc->sc_intr_pipe != NULL) { 808 err = usbd_abort_pipe(sc->sc_intr_pipe); 809 if (err) 810 printf("%s: abort interrupt pipe failed: %s\n", 811 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 812 err = usbd_close_pipe(sc->sc_intr_pipe); 813 if (err) 814 printf("%s: close interrupt pipe failed: %s\n", 815 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 816 free(sc->sc_intr_buf, M_USBDEV); 817 sc->sc_intr_pipe = NULL; 818 } 819 } 820 821 void 822 uplcom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, 823 usbd_status status) 824 { 825 struct uplcom_softc *sc = priv; 826 u_char *buf = sc->sc_intr_buf; 827 u_char pstatus; 828 829 if (sc->sc_dying) 830 return; 831 832 if (status != USBD_NORMAL_COMPLETION) { 833 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 834 return; 835 836 DPRINTF(("%s: abnormal status: %s\n", USBDEVNAME(sc->sc_dev), 837 usbd_errstr(status))); 838 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 839 return; 840 } 841 842 DPRINTF(("%s: uplcom status = %02x\n", USBDEVNAME(sc->sc_dev), buf[8])); 843 844 sc->sc_lsr = sc->sc_msr = 0; 845 pstatus = buf[8]; 846 if (ISSET(pstatus, RSAQ_STATUS_DSR)) 847 sc->sc_msr |= UMSR_DSR; 848 if (ISSET(pstatus, RSAQ_STATUS_DCD)) 849 sc->sc_msr |= UMSR_DCD; 850 ucom_status_change(device_private(sc->sc_subdev)); 851 } 852 853 void 854 uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 855 { 856 struct uplcom_softc *sc = addr; 857 858 DPRINTF(("uplcom_get_status:\n")); 859 860 if (lsr != NULL) 861 *lsr = sc->sc_lsr; 862 if (msr != NULL) 863 *msr = sc->sc_msr; 864 } 865 866 #if TODO 867 int 868 uplcom_ioctl(void *addr, int portno, u_long cmd, void *data, int flag, 869 usb_proc_ptr p) 870 { 871 struct uplcom_softc *sc = addr; 872 int error = 0; 873 874 if (sc->sc_dying) 875 return (EIO); 876 877 DPRINTF(("uplcom_ioctl: cmd=0x%08lx\n", cmd)); 878 879 switch (cmd) { 880 case TIOCNOTTY: 881 case TIOCMGET: 882 case TIOCMSET: 883 case USB_GET_CM_OVER_DATA: 884 case USB_SET_CM_OVER_DATA: 885 break; 886 887 default: 888 DPRINTF(("uplcom_ioctl: unknown\n")); 889 error = ENOTTY; 890 break; 891 } 892 893 return (error); 894 } 895 #endif 896
Indexes created Sun Sep 28 16:09:52 GMT 2025