uplcom.c revision 1.68
1 /* $NetBSD: uplcom.c,v 1.68 2009/09/23 19:07:19 plunky 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 1.68 2009/09/23 19:07:19 plunky 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 aprint_naive("\n"); 231 aprint_normal("\n"); 232 233 devinfop = usbd_devinfo_alloc(dev, 0); 234 aprint_normal_dev(self, "%s\n", devinfop); 235 usbd_devinfo_free(devinfop); 236 237 sc->sc_udev = dev; 238 239 DPRINTF(("\n\nuplcom attach: sc=%p\n", sc)); 240 241 /* initialize endpoints */ 242 uca.bulkin = uca.bulkout = -1; 243 sc->sc_intr_number = -1; 244 sc->sc_intr_pipe = NULL; 245 246 /* Move the device into the configured state. */ 247 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); 248 if (err) { 249 aprint_error("\n%s: failed to set configuration, err=%s\n", 250 devname, usbd_errstr(err)); 251 sc->sc_dying = 1; 252 USB_ATTACH_ERROR_RETURN; 253 } 254 255 /* determine chip type */ 256 ddesc = usbd_get_device_descriptor(dev); 257 if (ddesc->bDeviceClass != UDCLASS_COMM && 258 ddesc->bMaxPacketSize == 0x40) 259 sc->sc_type = UPLCOM_TYPE_HX; 260 261 #ifdef UPLCOM_DEBUG 262 /* print the chip type */ 263 if (sc->sc_type == UPLCOM_TYPE_HX) { 264 DPRINTF(("uplcom_attach: chiptype HX\n")); 265 } else { 266 DPRINTF(("uplcom_attach: chiptype 0\n")); 267 } 268 #endif 269 270 /* Move the device into the configured state. */ 271 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); 272 if (err) { 273 aprint_error_dev(self, "failed to set configuration: %s\n", 274 usbd_errstr(err)); 275 sc->sc_dying = 1; 276 USB_ATTACH_ERROR_RETURN; 277 } 278 279 /* get the config descriptor */ 280 cdesc = usbd_get_config_descriptor(sc->sc_udev); 281 282 if (cdesc == NULL) { 283 aprint_error_dev(self, 284 "failed to get configuration descriptor\n"); 285 sc->sc_dying = 1; 286 USB_ATTACH_ERROR_RETURN; 287 } 288 289 /* get the (first/common) interface */ 290 err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX, 291 &sc->sc_iface); 292 if (err) { 293 aprint_error("\n%s: failed to get interface, err=%s\n", 294 devname, usbd_errstr(err)); 295 sc->sc_dying = 1; 296 USB_ATTACH_ERROR_RETURN; 297 } 298 299 /* Find the interrupt endpoints */ 300 301 id = usbd_get_interface_descriptor(sc->sc_iface); 302 sc->sc_iface_number = id->bInterfaceNumber; 303 304 for (i = 0; i < id->bNumEndpoints; i++) { 305 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 306 if (ed == NULL) { 307 aprint_error_dev(self, 308 "no endpoint descriptor for %d\n", i); 309 sc->sc_dying = 1; 310 USB_ATTACH_ERROR_RETURN; 311 } 312 313 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 314 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 315 sc->sc_intr_number = ed->bEndpointAddress; 316 sc->sc_isize = UGETW(ed->wMaxPacketSize); 317 } 318 } 319 320 if (sc->sc_intr_number== -1) { 321 aprint_error_dev(self, "Could not find interrupt in\n"); 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 aprint_error("\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 aprint_error_dev(self, 361 "no endpoint descriptor for %d\n", 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 aprint_error_dev(self, "Could not find data bulk in\n"); 377 sc->sc_dying = 1; 378 USB_ATTACH_ERROR_RETURN; 379 } 380 381 if (uca.bulkout == -1) { 382 aprint_error_dev(self, "Could not find data bulk out\n"); 383 sc->sc_dying = 1; 384 USB_ATTACH_ERROR_RETURN; 385 } 386 387 sc->sc_dtr = sc->sc_rts = -1; 388 uca.portno = UCOM_UNK_PORTNO; 389 /* bulkin, bulkout set above */ 390 uca.ibufsize = UPLCOMIBUFSIZE; 391 uca.obufsize = UPLCOMOBUFSIZE; 392 uca.ibufsizepad = UPLCOMIBUFSIZE; 393 uca.opkthdrlen = 0; 394 uca.device = dev; 395 uca.iface = sc->sc_iface; 396 uca.methods = &uplcom_methods; 397 uca.arg = sc; 398 uca.info = NULL; 399 400 err = uplcom_reset(sc); 401 402 if (err) { 403 aprint_error_dev(self, "reset failed, %s\n", usbd_errstr(err)); 404 sc->sc_dying = 1; 405 USB_ATTACH_ERROR_RETURN; 406 } 407 408 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 409 USBDEV(sc->sc_dev)); 410 411 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 412 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 413 sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &uca, 414 ucomprint, ucomsubmatch); 415 416 USB_ATTACH_SUCCESS_RETURN; 417 } 418 419 void 420 uplcom_childdet(device_t self, device_t child) 421 { 422 struct uplcom_softc *sc = device_private(self); 423 424 KASSERT(sc->sc_subdev == child); 425 sc->sc_subdev = NULL; 426 } 427 428 USB_DETACH(uplcom) 429 { 430 USB_DETACH_START(uplcom, sc); 431 int rv = 0; 432 433 DPRINTF(("uplcom_detach: sc=%p flags=%d\n", sc, flags)); 434 435 if (sc->sc_intr_pipe != NULL) { 436 usbd_abort_pipe(sc->sc_intr_pipe); 437 usbd_close_pipe(sc->sc_intr_pipe); 438 free(sc->sc_intr_buf, M_USBDEV); 439 sc->sc_intr_pipe = NULL; 440 } 441 442 sc->sc_dying = 1; 443 if (sc->sc_subdev != NULL) 444 rv = config_detach(sc->sc_subdev, flags); 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_t self, enum devact act) 454 { 455 struct uplcom_softc *sc = device_private(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 struct pl2303x_init { 491 uint8_t req_type; 492 uint8_t request; 493 uint16_t value; 494 uint16_t index; 495 uint16_t length; 496 }; 497 498 static const struct pl2303x_init pl2303x[] = { 499 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0, 0 }, 500 { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x0404, 0, 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_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0, 0 }, 504 { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x0404, 1, 0 }, 505 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0, 0 }, 506 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8383, 0, 0 }, 507 { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0, 1, 0 }, 508 { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 1, 0, 0 }, 509 { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 2, 0x44, 0 } 510 }; 511 #define N_PL2302X_INIT (sizeof(pl2303x)/sizeof(pl2303x[0])) 512 513 static usbd_status 514 uplcom_pl2303x_init(struct uplcom_softc *sc) 515 { 516 usb_device_request_t req; 517 usbd_status err; 518 int i; 519 520 for (i = 0; i < N_PL2302X_INIT; i++) { 521 req.bmRequestType = pl2303x[i].req_type; 522 req.bRequest = pl2303x[i].request; 523 USETW(req.wValue, pl2303x[i].value); 524 USETW(req.wIndex, pl2303x[i].index); 525 USETW(req.wLength, pl2303x[i].length); 526 527 err = usbd_do_request(sc->sc_udev, &req, 0); 528 if (err) { 529 aprint_error_dev(sc->sc_dev, 530 "uplcom_pl2303x_init failed: %s\n", 531 usbd_errstr(err)); 532 return (EIO); 533 } 534 } 535 536 return (0); 537 } 538 539 void 540 uplcom_set_line_state(struct uplcom_softc *sc) 541 { 542 usb_device_request_t req; 543 int ls; 544 545 /* make sure we have initialized state for sc_dtr and sc_rts */ 546 if (sc->sc_dtr == -1) 547 sc->sc_dtr = 0; 548 if (sc->sc_rts == -1) 549 sc->sc_rts = 0; 550 551 ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) | 552 (sc->sc_rts ? UCDC_LINE_RTS : 0); 553 554 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 555 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 556 USETW(req.wValue, ls); 557 USETW(req.wIndex, sc->sc_iface_number); 558 USETW(req.wLength, 0); 559 560 (void)usbd_do_request(sc->sc_udev, &req, 0); 561 } 562 563 void 564 uplcom_set(void *addr, int portno, int reg, int onoff) 565 { 566 struct uplcom_softc *sc = addr; 567 568 switch (reg) { 569 case UCOM_SET_DTR: 570 uplcom_dtr(sc, onoff); 571 break; 572 case UCOM_SET_RTS: 573 uplcom_rts(sc, onoff); 574 break; 575 case UCOM_SET_BREAK: 576 uplcom_break(sc, onoff); 577 break; 578 default: 579 break; 580 } 581 } 582 583 void 584 uplcom_dtr(struct uplcom_softc *sc, int onoff) 585 { 586 587 DPRINTF(("uplcom_dtr: onoff=%d\n", onoff)); 588 589 if (sc->sc_dtr != -1 && !sc->sc_dtr == !onoff) 590 return; 591 592 sc->sc_dtr = !!onoff; 593 594 uplcom_set_line_state(sc); 595 } 596 597 void 598 uplcom_rts(struct uplcom_softc *sc, int onoff) 599 { 600 DPRINTF(("uplcom_rts: onoff=%d\n", onoff)); 601 602 if (sc->sc_rts != -1 && !sc->sc_rts == !onoff) 603 return; 604 605 sc->sc_rts = !!onoff; 606 607 uplcom_set_line_state(sc); 608 } 609 610 void 611 uplcom_break(struct uplcom_softc *sc, int onoff) 612 { 613 usb_device_request_t req; 614 615 DPRINTF(("uplcom_break: onoff=%d\n", onoff)); 616 617 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 618 req.bRequest = UCDC_SEND_BREAK; 619 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 620 USETW(req.wIndex, sc->sc_iface_number); 621 USETW(req.wLength, 0); 622 623 (void)usbd_do_request(sc->sc_udev, &req, 0); 624 } 625 626 usbd_status 627 uplcom_set_crtscts(struct uplcom_softc *sc) 628 { 629 usb_device_request_t req; 630 usbd_status err; 631 632 DPRINTF(("uplcom_set_crtscts: on\n")); 633 634 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 635 req.bRequest = UPLCOM_SET_REQUEST; 636 USETW(req.wValue, 0); 637 if (sc->sc_type == UPLCOM_TYPE_HX) 638 USETW(req.wIndex, UPLCOM_SET_CRTSCTS_HX); 639 else 640 USETW(req.wIndex, UPLCOM_SET_CRTSCTS_0); 641 USETW(req.wLength, 0); 642 643 err = usbd_do_request(sc->sc_udev, &req, 0); 644 if (err) { 645 DPRINTF(("uplcom_set_crtscts: failed, err=%s\n", 646 usbd_errstr(err))); 647 return (err); 648 } 649 650 return (USBD_NORMAL_COMPLETION); 651 } 652 653 usbd_status 654 uplcom_set_line_coding(struct uplcom_softc *sc, usb_cdc_line_state_t *state) 655 { 656 usb_device_request_t req; 657 usbd_status err; 658 659 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n", 660 UGETDW(state->dwDTERate), state->bCharFormat, 661 state->bParityType, state->bDataBits)); 662 663 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { 664 DPRINTF(("uplcom_set_line_coding: already set\n")); 665 return (USBD_NORMAL_COMPLETION); 666 } 667 668 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 669 req.bRequest = UCDC_SET_LINE_CODING; 670 USETW(req.wValue, 0); 671 USETW(req.wIndex, sc->sc_iface_number); 672 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 673 674 err = usbd_do_request(sc->sc_udev, &req, state); 675 if (err) { 676 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n", 677 usbd_errstr(err))); 678 return (err); 679 } 680 681 sc->sc_line_state = *state; 682 683 return (USBD_NORMAL_COMPLETION); 684 } 685 686 int 687 uplcom_param(void *addr, int portno, struct termios *t) 688 { 689 struct uplcom_softc *sc = addr; 690 usbd_status err; 691 usb_cdc_line_state_t ls; 692 693 DPRINTF(("uplcom_param: sc=%p\n", sc)); 694 695 USETDW(ls.dwDTERate, t->c_ospeed); 696 if (ISSET(t->c_cflag, CSTOPB)) 697 ls.bCharFormat = UCDC_STOP_BIT_2; 698 else 699 ls.bCharFormat = UCDC_STOP_BIT_1; 700 if (ISSET(t->c_cflag, PARENB)) { 701 if (ISSET(t->c_cflag, PARODD)) 702 ls.bParityType = UCDC_PARITY_ODD; 703 else 704 ls.bParityType = UCDC_PARITY_EVEN; 705 } else 706 ls.bParityType = UCDC_PARITY_NONE; 707 switch (ISSET(t->c_cflag, CSIZE)) { 708 case CS5: 709 ls.bDataBits = 5; 710 break; 711 case CS6: 712 ls.bDataBits = 6; 713 break; 714 case CS7: 715 ls.bDataBits = 7; 716 break; 717 case CS8: 718 ls.bDataBits = 8; 719 break; 720 } 721 722 err = uplcom_set_line_coding(sc, &ls); 723 if (err) { 724 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 725 return (EIO); 726 } 727 728 if (ISSET(t->c_cflag, CRTSCTS)) 729 uplcom_set_crtscts(sc); 730 731 if (sc->sc_rts == -1 || sc->sc_dtr == -1) 732 uplcom_set_line_state(sc); 733 734 if (err) { 735 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 736 return (EIO); 737 } 738 739 return (0); 740 } 741 742 Static usbd_status 743 uplcom_vendor_control_write(usbd_device_handle dev, u_int16_t value, u_int16_t index) 744 { 745 usb_device_request_t req; 746 usbd_status err; 747 748 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 749 req.bRequest = UPLCOM_SET_REQUEST; 750 USETW(req.wValue, value); 751 USETW(req.wIndex, index); 752 USETW(req.wLength, 0); 753 754 err = usbd_do_request(dev, &req, NULL); 755 756 if (err) { 757 DPRINTF(("uplcom_open: vendor write failed, err=%s (%d)\n", 758 usbd_errstr(err), err)); 759 } 760 761 return err; 762 } 763 764 int 765 uplcom_open(void *addr, int portno) 766 { 767 struct uplcom_softc *sc = addr; 768 usbd_status err; 769 770 if (sc->sc_dying) 771 return (EIO); 772 773 DPRINTF(("uplcom_open: sc=%p\n", sc)); 774 775 /* Some unknown device frobbing. */ 776 if (sc->sc_type == UPLCOM_TYPE_HX) 777 uplcom_vendor_control_write(sc->sc_udev, 2, 0x44); 778 else 779 uplcom_vendor_control_write(sc->sc_udev, 2, 0x24); 780 781 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 782 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 783 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, 784 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, 785 sc->sc_intr_buf, sc->sc_isize, 786 uplcom_intr, USBD_DEFAULT_INTERVAL); 787 if (err) { 788 DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n", 789 USBDEVNAME(sc->sc_dev), sc->sc_intr_number)); 790 return (EIO); 791 } 792 } 793 794 if (sc->sc_type == UPLCOM_TYPE_HX) 795 return (uplcom_pl2303x_init(sc)); 796 797 return (0); 798 } 799 800 void 801 uplcom_close(void *addr, int portno) 802 { 803 struct uplcom_softc *sc = addr; 804 int err; 805 806 if (sc->sc_dying) 807 return; 808 809 DPRINTF(("uplcom_close: close\n")); 810 811 if (sc->sc_intr_pipe != NULL) { 812 err = usbd_abort_pipe(sc->sc_intr_pipe); 813 if (err) 814 printf("%s: abort interrupt pipe failed: %s\n", 815 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 816 err = usbd_close_pipe(sc->sc_intr_pipe); 817 if (err) 818 printf("%s: close interrupt pipe failed: %s\n", 819 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 820 free(sc->sc_intr_buf, M_USBDEV); 821 sc->sc_intr_pipe = NULL; 822 } 823 } 824 825 void 826 uplcom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, 827 usbd_status status) 828 { 829 struct uplcom_softc *sc = priv; 830 u_char *buf = sc->sc_intr_buf; 831 u_char pstatus; 832 833 if (sc->sc_dying) 834 return; 835 836 if (status != USBD_NORMAL_COMPLETION) { 837 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 838 return; 839 840 DPRINTF(("%s: abnormal status: %s\n", USBDEVNAME(sc->sc_dev), 841 usbd_errstr(status))); 842 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 843 return; 844 } 845 846 DPRINTF(("%s: uplcom status = %02x\n", USBDEVNAME(sc->sc_dev), buf[8])); 847 848 sc->sc_lsr = sc->sc_msr = 0; 849 pstatus = buf[8]; 850 if (ISSET(pstatus, RSAQ_STATUS_DSR)) 851 sc->sc_msr |= UMSR_DSR; 852 if (ISSET(pstatus, RSAQ_STATUS_DCD)) 853 sc->sc_msr |= UMSR_DCD; 854 ucom_status_change(device_private(sc->sc_subdev)); 855 } 856 857 void 858 uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 859 { 860 struct uplcom_softc *sc = addr; 861 862 DPRINTF(("uplcom_get_status:\n")); 863 864 if (lsr != NULL) 865 *lsr = sc->sc_lsr; 866 if (msr != NULL) 867 *msr = sc->sc_msr; 868 } 869 870 #if TODO 871 int 872 uplcom_ioctl(void *addr, int portno, u_long cmd, void *data, int flag, 873 usb_proc_ptr p) 874 { 875 struct uplcom_softc *sc = addr; 876 int error = 0; 877 878 if (sc->sc_dying) 879 return (EIO); 880 881 DPRINTF(("uplcom_ioctl: cmd=0x%08lx\n", cmd)); 882 883 switch (cmd) { 884 case TIOCNOTTY: 885 case TIOCMGET: 886 case TIOCMSET: 887 case USB_GET_CM_OVER_DATA: 888 case USB_SET_CM_OVER_DATA: 889 break; 890 891 default: 892 DPRINTF(("uplcom_ioctl: unknown\n")); 893 error = ENOTTY; 894 break; 895 } 896 897 return (error); 898 } 899 #endif 900
Indexes created Fri Sep 26 20:09:58 GMT 2025