uplcom.c revision 1.73
1 /* $NetBSD: uplcom.c,v 1.73 2011/12/23 00:51:48 jakllsch 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 1.73 2011/12/23 00:51:48 jakllsch 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)) printf 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 78 #define UPLCOM_N_SERIAL_CTS 0x80 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 device_t 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_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, proc_t *); 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 int 207 uplcom_match(device_t parent, cfdata_t match, void *aux) 208 { 209 struct usb_attach_arg *uaa = aux; 210 211 return (uplcom_lookup(uaa->vendor, uaa->product) != NULL ? 212 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 213 } 214 215 void 216 uplcom_attach(device_t parent, device_t self, void *aux) 217 { 218 struct uplcom_softc *sc = device_private(self); 219 struct usb_attach_arg *uaa = aux; 220 usbd_device_handle dev = uaa->device; 221 usb_device_descriptor_t *ddesc; 222 usb_config_descriptor_t *cdesc; 223 usb_interface_descriptor_t *id; 224 usb_endpoint_descriptor_t *ed; 225 char *devinfop; 226 const char *devname = device_xname(self); 227 usbd_status err; 228 int i; 229 struct ucom_attach_args uca; 230 231 sc->sc_dev = self; 232 233 aprint_naive("\n"); 234 aprint_normal("\n"); 235 236 devinfop = usbd_devinfo_alloc(dev, 0); 237 aprint_normal_dev(self, "%s\n", devinfop); 238 usbd_devinfo_free(devinfop); 239 240 sc->sc_udev = dev; 241 242 DPRINTF(("\n\nuplcom attach: sc=%p\n", sc)); 243 244 /* initialize endpoints */ 245 uca.bulkin = uca.bulkout = -1; 246 sc->sc_intr_number = -1; 247 sc->sc_intr_pipe = NULL; 248 249 /* Move the device into the configured state. */ 250 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); 251 if (err) { 252 aprint_error("\n%s: failed to set configuration, err=%s\n", 253 devname, usbd_errstr(err)); 254 sc->sc_dying = 1; 255 return; 256 } 257 258 /* determine chip type */ 259 ddesc = usbd_get_device_descriptor(dev); 260 if (ddesc->bDeviceClass != UDCLASS_COMM && 261 ddesc->bMaxPacketSize == 0x40) 262 sc->sc_type = UPLCOM_TYPE_HX; 263 264 #ifdef UPLCOM_DEBUG 265 /* print the chip type */ 266 if (sc->sc_type == UPLCOM_TYPE_HX) { 267 DPRINTF(("uplcom_attach: chiptype HX\n")); 268 } else { 269 DPRINTF(("uplcom_attach: chiptype 0\n")); 270 } 271 #endif 272 273 /* Move the device into the configured state. */ 274 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); 275 if (err) { 276 aprint_error_dev(self, "failed to set configuration: %s\n", 277 usbd_errstr(err)); 278 sc->sc_dying = 1; 279 return; 280 } 281 282 /* get the config descriptor */ 283 cdesc = usbd_get_config_descriptor(sc->sc_udev); 284 285 if (cdesc == NULL) { 286 aprint_error_dev(self, 287 "failed to get configuration descriptor\n"); 288 sc->sc_dying = 1; 289 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 aprint_error("\n%s: failed to get interface, err=%s\n", 297 devname, usbd_errstr(err)); 298 sc->sc_dying = 1; 299 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 aprint_error_dev(self, 311 "no endpoint descriptor for %d\n", i); 312 sc->sc_dying = 1; 313 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 aprint_error_dev(self, "Could not find interrupt in\n"); 325 sc->sc_dying = 1; 326 return; 327 } 328 329 /* keep interface for interrupt */ 330 sc->sc_intr_iface = sc->sc_iface; 331 332 /* 333 * USB-RSAQ1 has two interface 334 * 335 * USB-RSAQ1 | USB-RSAQ2 336 * -----------------+----------------- 337 * Interface 0 |Interface 0 338 * Interrupt(0x81) | Interrupt(0x81) 339 * -----------------+ BulkIN(0x02) 340 * Interface 1 | BulkOUT(0x83) 341 * BulkIN(0x02) | 342 * BulkOUT(0x83) | 343 */ 344 if (cdesc->bNumInterface == 2) { 345 err = usbd_device2interface_handle(dev, 346 UPLCOM_SECOND_IFACE_INDEX, &sc->sc_iface); 347 if (err) { 348 aprint_error("\n%s: failed to get second interface, err=%s\n", 349 devname, usbd_errstr(err)); 350 sc->sc_dying = 1; 351 return; 352 } 353 } 354 355 /* Find the bulk{in,out} endpoints */ 356 357 id = usbd_get_interface_descriptor(sc->sc_iface); 358 sc->sc_iface_number = id->bInterfaceNumber; 359 360 for (i = 0; i < id->bNumEndpoints; i++) { 361 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 362 if (ed == NULL) { 363 aprint_error_dev(self, 364 "no endpoint descriptor for %d\n", i); 365 sc->sc_dying = 1; 366 return; 367 } 368 369 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 370 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 371 uca.bulkin = ed->bEndpointAddress; 372 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 373 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 374 uca.bulkout = ed->bEndpointAddress; 375 } 376 } 377 378 if (uca.bulkin == -1) { 379 aprint_error_dev(self, "Could not find data bulk in\n"); 380 sc->sc_dying = 1; 381 return; 382 } 383 384 if (uca.bulkout == -1) { 385 aprint_error_dev(self, "Could not find data bulk out\n"); 386 sc->sc_dying = 1; 387 return; 388 } 389 390 sc->sc_dtr = sc->sc_rts = -1; 391 uca.portno = UCOM_UNK_PORTNO; 392 /* bulkin, bulkout set above */ 393 uca.ibufsize = UPLCOMIBUFSIZE; 394 uca.obufsize = UPLCOMOBUFSIZE; 395 uca.ibufsizepad = UPLCOMIBUFSIZE; 396 uca.opkthdrlen = 0; 397 uca.device = dev; 398 uca.iface = sc->sc_iface; 399 uca.methods = &uplcom_methods; 400 uca.arg = sc; 401 uca.info = NULL; 402 403 err = uplcom_reset(sc); 404 405 if (err) { 406 aprint_error_dev(self, "reset failed, %s\n", usbd_errstr(err)); 407 sc->sc_dying = 1; 408 return; 409 } 410 411 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 412 sc->sc_dev); 413 414 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 415 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 416 sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &uca, 417 ucomprint, ucomsubmatch); 418 419 return; 420 } 421 422 void 423 uplcom_childdet(device_t self, device_t child) 424 { 425 struct uplcom_softc *sc = device_private(self); 426 427 KASSERT(sc->sc_subdev == child); 428 sc->sc_subdev = NULL; 429 } 430 431 int 432 uplcom_detach(device_t self, int flags) 433 { 434 struct uplcom_softc *sc = device_private(self); 435 int rv = 0; 436 437 DPRINTF(("uplcom_detach: sc=%p flags=%d\n", sc, flags)); 438 439 if (sc->sc_intr_pipe != NULL) { 440 usbd_abort_pipe(sc->sc_intr_pipe); 441 usbd_close_pipe(sc->sc_intr_pipe); 442 free(sc->sc_intr_buf, M_USBDEV); 443 sc->sc_intr_pipe = NULL; 444 } 445 446 sc->sc_dying = 1; 447 if (sc->sc_subdev != NULL) 448 rv = config_detach(sc->sc_subdev, flags); 449 450 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 451 sc->sc_dev); 452 453 return (rv); 454 } 455 456 int 457 uplcom_activate(device_t self, enum devact act) 458 { 459 struct uplcom_softc *sc = device_private(self); 460 461 switch (act) { 462 case DVACT_DEACTIVATE: 463 sc->sc_dying = 1; 464 return 0; 465 default: 466 return EOPNOTSUPP; 467 } 468 } 469 470 usbd_status 471 uplcom_reset(struct uplcom_softc *sc) 472 { 473 usb_device_request_t req; 474 usbd_status err; 475 476 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 477 req.bRequest = UPLCOM_SET_REQUEST; 478 USETW(req.wValue, 0); 479 USETW(req.wIndex, sc->sc_iface_number); 480 USETW(req.wLength, 0); 481 482 err = usbd_do_request(sc->sc_udev, &req, 0); 483 if (err) 484 return (EIO); 485 486 return (0); 487 } 488 489 struct pl2303x_init { 490 uint8_t req_type; 491 uint8_t request; 492 uint16_t value; 493 uint16_t index; 494 uint16_t length; 495 }; 496 497 static const struct pl2303x_init pl2303x[] = { 498 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0, 0 }, 499 { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x0404, 0, 0 }, 500 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0, 0 }, 501 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8383, 0, 0 }, 502 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0, 0 }, 503 { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x0404, 1, 0 }, 504 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0, 0 }, 505 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8383, 0, 0 }, 506 { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0, 1, 0 }, 507 { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 1, 0, 0 }, 508 { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 2, 0x44, 0 } 509 }; 510 #define N_PL2302X_INIT (sizeof(pl2303x)/sizeof(pl2303x[0])) 511 512 static usbd_status 513 uplcom_pl2303x_init(struct uplcom_softc *sc) 514 { 515 usb_device_request_t req; 516 usbd_status err; 517 int i; 518 519 for (i = 0; i < N_PL2302X_INIT; i++) { 520 req.bmRequestType = pl2303x[i].req_type; 521 req.bRequest = pl2303x[i].request; 522 USETW(req.wValue, pl2303x[i].value); 523 USETW(req.wIndex, pl2303x[i].index); 524 USETW(req.wLength, pl2303x[i].length); 525 526 err = usbd_do_request(sc->sc_udev, &req, 0); 527 if (err) { 528 aprint_error_dev(sc->sc_dev, 529 "uplcom_pl2303x_init failed: %s\n", 530 usbd_errstr(err)); 531 return (EIO); 532 } 533 } 534 535 return (0); 536 } 537 538 void 539 uplcom_set_line_state(struct uplcom_softc *sc) 540 { 541 usb_device_request_t req; 542 int ls; 543 544 /* make sure we have initialized state for sc_dtr and sc_rts */ 545 if (sc->sc_dtr == -1) 546 sc->sc_dtr = 0; 547 if (sc->sc_rts == -1) 548 sc->sc_rts = 0; 549 550 ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) | 551 (sc->sc_rts ? UCDC_LINE_RTS : 0); 552 553 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 554 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 555 USETW(req.wValue, ls); 556 USETW(req.wIndex, sc->sc_iface_number); 557 USETW(req.wLength, 0); 558 559 (void)usbd_do_request(sc->sc_udev, &req, 0); 560 } 561 562 void 563 uplcom_set(void *addr, int portno, int reg, int onoff) 564 { 565 struct uplcom_softc *sc = addr; 566 567 switch (reg) { 568 case UCOM_SET_DTR: 569 uplcom_dtr(sc, onoff); 570 break; 571 case UCOM_SET_RTS: 572 uplcom_rts(sc, onoff); 573 break; 574 case UCOM_SET_BREAK: 575 uplcom_break(sc, onoff); 576 break; 577 default: 578 break; 579 } 580 } 581 582 void 583 uplcom_dtr(struct uplcom_softc *sc, int onoff) 584 { 585 586 DPRINTF(("uplcom_dtr: onoff=%d\n", onoff)); 587 588 if (sc->sc_dtr != -1 && !sc->sc_dtr == !onoff) 589 return; 590 591 sc->sc_dtr = !!onoff; 592 593 uplcom_set_line_state(sc); 594 } 595 596 void 597 uplcom_rts(struct uplcom_softc *sc, int onoff) 598 { 599 DPRINTF(("uplcom_rts: onoff=%d\n", onoff)); 600 601 if (sc->sc_rts != -1 && !sc->sc_rts == !onoff) 602 return; 603 604 sc->sc_rts = !!onoff; 605 606 uplcom_set_line_state(sc); 607 } 608 609 void 610 uplcom_break(struct uplcom_softc *sc, int onoff) 611 { 612 usb_device_request_t req; 613 614 DPRINTF(("uplcom_break: onoff=%d\n", onoff)); 615 616 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 617 req.bRequest = UCDC_SEND_BREAK; 618 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 619 USETW(req.wIndex, sc->sc_iface_number); 620 USETW(req.wLength, 0); 621 622 (void)usbd_do_request(sc->sc_udev, &req, 0); 623 } 624 625 usbd_status 626 uplcom_set_crtscts(struct uplcom_softc *sc) 627 { 628 usb_device_request_t req; 629 usbd_status err; 630 631 DPRINTF(("uplcom_set_crtscts: on\n")); 632 633 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 634 req.bRequest = UPLCOM_SET_REQUEST; 635 USETW(req.wValue, 0); 636 if (sc->sc_type == UPLCOM_TYPE_HX) 637 USETW(req.wIndex, UPLCOM_SET_CRTSCTS_HX); 638 else 639 USETW(req.wIndex, UPLCOM_SET_CRTSCTS_0); 640 USETW(req.wLength, 0); 641 642 err = usbd_do_request(sc->sc_udev, &req, 0); 643 if (err) { 644 DPRINTF(("uplcom_set_crtscts: failed, err=%s\n", 645 usbd_errstr(err))); 646 return (err); 647 } 648 649 return (USBD_NORMAL_COMPLETION); 650 } 651 652 usbd_status 653 uplcom_set_line_coding(struct uplcom_softc *sc, usb_cdc_line_state_t *state) 654 { 655 usb_device_request_t req; 656 usbd_status err; 657 658 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n", 659 UGETDW(state->dwDTERate), state->bCharFormat, 660 state->bParityType, state->bDataBits)); 661 662 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { 663 DPRINTF(("uplcom_set_line_coding: already set\n")); 664 return (USBD_NORMAL_COMPLETION); 665 } 666 667 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 668 req.bRequest = UCDC_SET_LINE_CODING; 669 USETW(req.wValue, 0); 670 USETW(req.wIndex, sc->sc_iface_number); 671 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 672 673 err = usbd_do_request(sc->sc_udev, &req, state); 674 if (err) { 675 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n", 676 usbd_errstr(err))); 677 return (err); 678 } 679 680 sc->sc_line_state = *state; 681 682 return (USBD_NORMAL_COMPLETION); 683 } 684 685 int 686 uplcom_param(void *addr, int portno, struct termios *t) 687 { 688 struct uplcom_softc *sc = addr; 689 usbd_status err; 690 usb_cdc_line_state_t ls; 691 692 DPRINTF(("uplcom_param: sc=%p\n", sc)); 693 694 USETDW(ls.dwDTERate, t->c_ospeed); 695 if (ISSET(t->c_cflag, CSTOPB)) 696 ls.bCharFormat = UCDC_STOP_BIT_2; 697 else 698 ls.bCharFormat = UCDC_STOP_BIT_1; 699 if (ISSET(t->c_cflag, PARENB)) { 700 if (ISSET(t->c_cflag, PARODD)) 701 ls.bParityType = UCDC_PARITY_ODD; 702 else 703 ls.bParityType = UCDC_PARITY_EVEN; 704 } else 705 ls.bParityType = UCDC_PARITY_NONE; 706 switch (ISSET(t->c_cflag, CSIZE)) { 707 case CS5: 708 ls.bDataBits = 5; 709 break; 710 case CS6: 711 ls.bDataBits = 6; 712 break; 713 case CS7: 714 ls.bDataBits = 7; 715 break; 716 case CS8: 717 ls.bDataBits = 8; 718 break; 719 } 720 721 err = uplcom_set_line_coding(sc, &ls); 722 if (err) { 723 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 724 return (EIO); 725 } 726 727 if (ISSET(t->c_cflag, CRTSCTS)) 728 uplcom_set_crtscts(sc); 729 730 if (sc->sc_rts == -1 || sc->sc_dtr == -1) 731 uplcom_set_line_state(sc); 732 733 if (err) { 734 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 735 return (EIO); 736 } 737 738 return (0); 739 } 740 741 Static usbd_status 742 uplcom_vendor_control_write(usbd_device_handle dev, u_int16_t value, u_int16_t index) 743 { 744 usb_device_request_t req; 745 usbd_status err; 746 747 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 748 req.bRequest = UPLCOM_SET_REQUEST; 749 USETW(req.wValue, value); 750 USETW(req.wIndex, index); 751 USETW(req.wLength, 0); 752 753 err = usbd_do_request(dev, &req, NULL); 754 755 if (err) { 756 DPRINTF(("uplcom_open: vendor write failed, err=%s (%d)\n", 757 usbd_errstr(err), err)); 758 } 759 760 return err; 761 } 762 763 int 764 uplcom_open(void *addr, int portno) 765 { 766 struct uplcom_softc *sc = addr; 767 usbd_status err; 768 769 if (sc->sc_dying) 770 return (EIO); 771 772 DPRINTF(("uplcom_open: sc=%p\n", sc)); 773 774 /* Some unknown device frobbing. */ 775 if (sc->sc_type == UPLCOM_TYPE_HX) 776 uplcom_vendor_control_write(sc->sc_udev, 2, 0x44); 777 else 778 uplcom_vendor_control_write(sc->sc_udev, 2, 0x24); 779 780 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 781 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 782 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, 783 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, 784 sc->sc_intr_buf, sc->sc_isize, 785 uplcom_intr, USBD_DEFAULT_INTERVAL); 786 if (err) { 787 DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n", 788 device_xname(sc->sc_dev), sc->sc_intr_number)); 789 return (EIO); 790 } 791 } 792 793 if (sc->sc_type == UPLCOM_TYPE_HX) 794 return (uplcom_pl2303x_init(sc)); 795 796 return (0); 797 } 798 799 void 800 uplcom_close(void *addr, int portno) 801 { 802 struct uplcom_softc *sc = addr; 803 int err; 804 805 if (sc->sc_dying) 806 return; 807 808 DPRINTF(("uplcom_close: close\n")); 809 810 if (sc->sc_intr_pipe != NULL) { 811 err = usbd_abort_pipe(sc->sc_intr_pipe); 812 if (err) 813 printf("%s: abort interrupt pipe failed: %s\n", 814 device_xname(sc->sc_dev), usbd_errstr(err)); 815 err = usbd_close_pipe(sc->sc_intr_pipe); 816 if (err) 817 printf("%s: close interrupt pipe failed: %s\n", 818 device_xname(sc->sc_dev), usbd_errstr(err)); 819 free(sc->sc_intr_buf, M_USBDEV); 820 sc->sc_intr_pipe = NULL; 821 } 822 } 823 824 void 825 uplcom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, 826 usbd_status status) 827 { 828 struct uplcom_softc *sc = priv; 829 u_char *buf = sc->sc_intr_buf; 830 u_char pstatus; 831 832 if (sc->sc_dying) 833 return; 834 835 if (status != USBD_NORMAL_COMPLETION) { 836 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 837 return; 838 839 DPRINTF(("%s: abnormal status: %s\n", device_xname(sc->sc_dev), 840 usbd_errstr(status))); 841 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 842 return; 843 } 844 845 DPRINTF(("%s: uplcom status = %02x\n", device_xname(sc->sc_dev), buf[8])); 846 847 sc->sc_lsr = sc->sc_msr = 0; 848 pstatus = buf[8]; 849 if (ISSET(pstatus, UPLCOM_N_SERIAL_CTS)) 850 sc->sc_msr |= UMSR_CTS; 851 if (ISSET(pstatus, UCDC_N_SERIAL_RI)) 852 sc->sc_msr |= UMSR_RI; 853 if (ISSET(pstatus, UCDC_N_SERIAL_DSR)) 854 sc->sc_msr |= UMSR_DSR; 855 if (ISSET(pstatus, UCDC_N_SERIAL_DCD)) 856 sc->sc_msr |= UMSR_DCD; 857 ucom_status_change(device_private(sc->sc_subdev)); 858 } 859 860 void 861 uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 862 { 863 struct uplcom_softc *sc = addr; 864 865 DPRINTF(("uplcom_get_status:\n")); 866 867 if (lsr != NULL) 868 *lsr = sc->sc_lsr; 869 if (msr != NULL) 870 *msr = sc->sc_msr; 871 } 872 873 #if TODO 874 int 875 uplcom_ioctl(void *addr, int portno, u_long cmd, void *data, int flag, 876 proc_t *p) 877 { 878 struct uplcom_softc *sc = addr; 879 int error = 0; 880 881 if (sc->sc_dying) 882 return (EIO); 883 884 DPRINTF(("uplcom_ioctl: cmd=0x%08lx\n", cmd)); 885 886 switch (cmd) { 887 case TIOCNOTTY: 888 case TIOCMGET: 889 case TIOCMSET: 890 case USB_GET_CM_OVER_DATA: 891 case USB_SET_CM_OVER_DATA: 892 break; 893 894 default: 895 DPRINTF(("uplcom_ioctl: unknown\n")); 896 error = ENOTTY; 897 break; 898 } 899 900 return (error); 901 } 902 #endif 903
Indexes created Sun Sep 28 07:09:56 GMT 2025