1 /* $OpenBSD: uplcom.c,v 1.68 2016/09/02 09:14:59 mpi Exp $ */ 2 /* $NetBSD: uplcom.c,v 1.29 2002/09/23 05:51:23 simonb Exp $ */ 3 /* 4 * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Ichiro FUKUHARA (ichiro@ichiro.org). 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * Simple datasheet 34 * http://www.prolific.com.tw/PDF/PL-2303%20Market%20Spec.pdf 35 * http://www.hitachi-hitec.com/jyouhou/prolific/2303.pdf 36 * (english) 37 * 38 */ 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/kernel.h> 43 #include <sys/malloc.h> 44 #include <sys/ioctl.h> 45 #include <sys/conf.h> 46 #include <sys/tty.h> 47 #include <sys/file.h> 48 #include <sys/selinfo.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 59 #include <dev/usb/ucomvar.h> 60 61 #ifdef UPLCOM_DEBUG 62 #define DPRINTFN(n, x) do { if (uplcomdebug > (n)) printf x; } while (0) 63 int uplcomdebug = 0; 64 #else 65 #define DPRINTFN(n, x) 66 #endif 67 #define DPRINTF(x) DPRINTFN(0, x) 68 69 #define UPLCOM_IFACE_INDEX 0 70 #define UPLCOM_SECOND_IFACE_INDEX 1 71 72 #define UPLCOM_SET_REQUEST 0x01 73 #define UPLCOM_SET_CRTSCTS 0x41 74 #define UPLCOM_HX_SET_CRTSCTS 0x61 75 #define RSAQ_STATUS_CTS 0x80 76 #define RSAQ_STATUS_DSR 0x02 77 #define RSAQ_STATUS_DCD 0x01 78 79 struct uplcom_softc { 80 struct device sc_dev; /* base device */ 81 struct usbd_device *sc_udev; /* USB device */ 82 struct usbd_interface *sc_iface; /* interface */ 83 int sc_iface_number; /* interface number */ 84 85 struct usbd_interface *sc_intr_iface; /* interrupt interface */ 86 int sc_intr_number; /* interrupt number */ 87 struct usbd_pipe *sc_intr_pipe; /* interrupt pipe */ 88 u_char *sc_intr_buf; /* interrupt buffer */ 89 int sc_isize; 90 91 struct usb_cdc_line_state sc_line_state;/* current line state */ 92 int sc_dtr; /* current DTR state */ 93 int sc_rts; /* current RTS state */ 94 95 struct device *sc_subdev; /* ucom device */ 96 97 u_char sc_lsr; /* Local status register */ 98 u_char sc_msr; /* uplcom status register */ 99 int sc_type_hx; /* HX variant */ 100 }; 101 102 /* 103 * These are the maximum number of bytes transferred per frame. 104 * The output buffer size cannot be increased due to the size encoding. 105 */ 106 #define UPLCOMIBUFSIZE 256 107 #define UPLCOMOBUFSIZE 256 108 109 usbd_status uplcom_reset(struct uplcom_softc *); 110 usbd_status uplcom_set_line_coding(struct uplcom_softc *sc, 111 struct usb_cdc_line_state *state); 112 usbd_status uplcom_set_crtscts(struct uplcom_softc *); 113 void uplcom_intr(struct usbd_xfer *, void *, usbd_status); 114 115 void uplcom_set(void *, int, int, int); 116 void uplcom_dtr(struct uplcom_softc *, int); 117 void uplcom_rts(struct uplcom_softc *, int); 118 void uplcom_break(struct uplcom_softc *, int); 119 void uplcom_set_line_state(struct uplcom_softc *); 120 void uplcom_get_status(void *, int portno, u_char *lsr, u_char *msr); 121 int uplcom_param(void *, int, struct termios *); 122 int uplcom_open(void *, int); 123 void uplcom_close(void *, int); 124 125 struct ucom_methods uplcom_methods = { 126 uplcom_get_status, 127 uplcom_set, 128 uplcom_param, 129 NULL, 130 uplcom_open, 131 uplcom_close, 132 NULL, 133 NULL, 134 }; 135 136 static const struct usb_devno uplcom_devs[] = { 137 { USB_VENDOR_ALCATEL, USB_PRODUCT_ALCATEL_OT535 }, 138 { USB_VENDOR_ANCHOR, USB_PRODUCT_ANCHOR_SERIAL }, 139 { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC232A }, 140 { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U257 }, 141 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT }, 142 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT0 }, 143 { USB_VENDOR_HAL, USB_PRODUCT_HAL_IMR001 }, 144 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ }, 145 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ5 }, 146 { USB_VENDOR_LEADTEK, USB_PRODUCT_LEADTEK_9531 }, 147 { USB_VENDOR_MICROSOFT, USB_PRODUCT_MICROSOFT_700WX }, 148 { USB_VENDOR_MOBILEACTION, USB_PRODUCT_MOBILEACTION_MA620 }, 149 { USB_VENDOR_NOKIA, USB_PRODUCT_NOKIA_CA42 }, 150 { USB_VENDOR_OTI, USB_PRODUCT_OTI_DKU5 }, 151 { USB_VENDOR_PLX, USB_PRODUCT_PLX_CA42 }, 152 { USB_VENDOR_PANASONIC, USB_PRODUCT_PANASONIC_TYTP50P6S }, 153 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303 }, 154 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303X }, 155 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303X2 }, 156 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ2 }, 157 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303BENQ }, 158 { USB_VENDOR_PROLIFIC2, USB_PRODUCT_PROLIFIC2_PL2303 }, 159 { USB_VENDOR_RADIOSHACK, USB_PRODUCT_RADIOSHACK_PL2303 }, 160 { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60 }, 161 { USB_VENDOR_SAGEM, USB_PRODUCT_SAGEM_SERIAL }, 162 { USB_VENDOR_SAMSUNG2, USB_PRODUCT_SAMSUNG2_I330 }, 163 { USB_VENDOR_SIEMENS3, USB_PRODUCT_SIEMENS3_SX1 }, 164 { USB_VENDOR_SIEMENS3, USB_PRODUCT_SIEMENS3_X65 }, 165 { USB_VENDOR_SIEMENS3, USB_PRODUCT_SIEMENS3_X75 }, 166 { USB_VENDOR_SITECOM, USB_PRODUCT_SITECOM_CN104 }, 167 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8 }, 168 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8_CHG }, 169 { USB_VENDOR_SPEEDDRAGON, USB_PRODUCT_SPEEDDRAGON_MS3303H }, 170 { USB_VENDOR_SUSTEEN, USB_PRODUCT_SUSTEEN_DCU11 }, 171 { USB_VENDOR_SYNTECH, USB_PRODUCT_SYNTECH_SERIAL }, 172 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UHA6400 }, 173 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UPA9664 }, 174 { USB_VENDOR_TRIPPLITE, USB_PRODUCT_TRIPPLITE_U209 }, 175 { USB_VENDOR_SMART, USB_PRODUCT_SMART_PL2303 }, 176 { USB_VENDOR_YCCABLE, USB_PRODUCT_YCCABLE_PL2303 } 177 }; 178 #define uplcom_lookup(v, p) usb_lookup(uplcom_devs, v, p) 179 180 int uplcom_match(struct device *, void *, void *); 181 void uplcom_attach(struct device *, struct device *, void *); 182 int uplcom_detach(struct device *, int); 183 184 struct cfdriver uplcom_cd = { 185 NULL, "uplcom", DV_DULL 186 }; 187 188 const struct cfattach uplcom_ca = { 189 sizeof(struct uplcom_softc), uplcom_match, uplcom_attach, uplcom_detach 190 }; 191 192 int 193 uplcom_match(struct device *parent, void *match, void *aux) 194 { 195 struct usb_attach_arg *uaa = aux; 196 197 if (uaa->iface == NULL) 198 return (UMATCH_NONE); 199 200 return (uplcom_lookup(uaa->vendor, uaa->product) != NULL ? 201 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 202 } 203 204 void 205 uplcom_attach(struct device *parent, struct device *self, void *aux) 206 { 207 struct uplcom_softc *sc = (struct uplcom_softc *)self; 208 struct usb_attach_arg *uaa = aux; 209 struct usbd_device *dev = uaa->device; 210 usb_config_descriptor_t *cdesc; 211 usb_device_descriptor_t *ddesc; 212 usb_interface_descriptor_t *id; 213 usb_endpoint_descriptor_t *ed; 214 char *devname = sc->sc_dev.dv_xname; 215 usbd_status err; 216 int i; 217 struct ucom_attach_args uca; 218 219 sc->sc_udev = dev; 220 221 DPRINTF(("\n\nuplcom attach: sc=%p\n", sc)); 222 223 /* initialize endpoints */ 224 uca.bulkin = uca.bulkout = -1; 225 sc->sc_intr_number = -1; 226 sc->sc_intr_pipe = NULL; 227 228 /* get the config descriptor */ 229 cdesc = usbd_get_config_descriptor(sc->sc_udev); 230 231 if (cdesc == NULL) { 232 printf("%s: failed to get configuration descriptor\n", 233 sc->sc_dev.dv_xname); 234 usbd_deactivate(sc->sc_udev); 235 return; 236 } 237 238 /* get the device descriptor */ 239 ddesc = usbd_get_device_descriptor(sc->sc_udev); 240 if (ddesc == NULL) { 241 printf("%s: failed to get device descriptor\n", 242 sc->sc_dev.dv_xname); 243 usbd_deactivate(sc->sc_udev); 244 return; 245 } 246 247 /* 248 * The Linux driver suggest this will only be true for the HX 249 * variants. The datasheets disagree. 250 */ 251 if (ddesc->bDeviceClass == 0x02) 252 sc->sc_type_hx = 0; 253 else if (ddesc->bMaxPacketSize == 0x40) 254 sc->sc_type_hx = 1; 255 else 256 sc->sc_type_hx = 0; 257 258 #ifdef USB_DEBUG 259 /* print the chip type */ 260 if (sc->sc_type_hx) { 261 DPRINTF(("uplcom_attach: chiptype 2303X\n")); 262 } else { 263 DPRINTF(("uplcom_attach: chiptype 2303\n")); 264 } 265 #endif 266 /* get the (first/common) interface */ 267 err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX, 268 &sc->sc_iface); 269 if (err) { 270 printf("\n%s: failed to get interface, err=%s\n", 271 devname, usbd_errstr(err)); 272 usbd_deactivate(sc->sc_udev); 273 return; 274 } 275 276 /* Find the interrupt endpoints */ 277 278 id = usbd_get_interface_descriptor(sc->sc_iface); 279 sc->sc_iface_number = id->bInterfaceNumber; 280 281 for (i = 0; i < id->bNumEndpoints; i++) { 282 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 283 if (ed == NULL) { 284 printf("%s: no endpoint descriptor for %d\n", 285 sc->sc_dev.dv_xname, i); 286 usbd_deactivate(sc->sc_udev); 287 return; 288 } 289 290 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 291 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 292 sc->sc_intr_number = ed->bEndpointAddress; 293 sc->sc_isize = UGETW(ed->wMaxPacketSize); 294 } 295 } 296 297 if (sc->sc_intr_number== -1) { 298 printf("%s: Could not find interrupt in\n", 299 sc->sc_dev.dv_xname); 300 usbd_deactivate(sc->sc_udev); 301 return; 302 } 303 304 /* keep interface for interrupt */ 305 sc->sc_intr_iface = sc->sc_iface; 306 307 /* 308 * USB-RSAQ1 has two interface 309 * 310 * USB-RSAQ1 | USB-RSAQ2 311 * -----------------+----------------- 312 * Interface 0 |Interface 0 313 * Interrupt(0x81) | Interrupt(0x81) 314 * -----------------+ BulkIN(0x02) 315 * Interface 1 | BulkOUT(0x83) 316 * BulkIN(0x02) | 317 * BulkOUT(0x83) | 318 */ 319 if (cdesc->bNumInterface == 2) { 320 err = usbd_device2interface_handle(dev, 321 UPLCOM_SECOND_IFACE_INDEX, &sc->sc_iface); 322 if (err) { 323 printf("\n%s: failed to get second interface, err=%s\n", 324 devname, usbd_errstr(err)); 325 usbd_deactivate(sc->sc_udev); 326 return; 327 } 328 } 329 330 /* Find the bulk{in,out} endpoints */ 331 332 id = usbd_get_interface_descriptor(sc->sc_iface); 333 sc->sc_iface_number = id->bInterfaceNumber; 334 335 for (i = 0; i < id->bNumEndpoints; i++) { 336 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 337 if (ed == NULL) { 338 printf("%s: no endpoint descriptor for %d\n", 339 sc->sc_dev.dv_xname, i); 340 usbd_deactivate(sc->sc_udev); 341 return; 342 } 343 344 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 345 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 346 uca.bulkin = ed->bEndpointAddress; 347 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 348 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 349 uca.bulkout = ed->bEndpointAddress; 350 } 351 } 352 353 if (uca.bulkin == -1) { 354 printf("%s: Could not find data bulk in\n", 355 sc->sc_dev.dv_xname); 356 usbd_deactivate(sc->sc_udev); 357 return; 358 } 359 360 if (uca.bulkout == -1) { 361 printf("%s: Could not find data bulk out\n", 362 sc->sc_dev.dv_xname); 363 usbd_deactivate(sc->sc_udev); 364 return; 365 } 366 367 sc->sc_dtr = sc->sc_rts = -1; 368 uca.portno = UCOM_UNK_PORTNO; 369 /* bulkin, bulkout set above */ 370 uca.ibufsize = UPLCOMIBUFSIZE; 371 uca.obufsize = UPLCOMOBUFSIZE; 372 uca.ibufsizepad = UPLCOMIBUFSIZE; 373 uca.opkthdrlen = 0; 374 uca.device = dev; 375 uca.iface = sc->sc_iface; 376 uca.methods = &uplcom_methods; 377 uca.arg = sc; 378 uca.info = NULL; 379 380 err = uplcom_reset(sc); 381 382 if (err) { 383 printf("%s: reset failed, %s\n", sc->sc_dev.dv_xname, 384 usbd_errstr(err)); 385 usbd_deactivate(sc->sc_udev); 386 return; 387 } 388 389 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 390 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 391 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); 392 } 393 394 int 395 uplcom_detach(struct device *self, int flags) 396 { 397 struct uplcom_softc *sc = (struct uplcom_softc *)self; 398 int rv = 0; 399 400 DPRINTF(("uplcom_detach: sc=%p flags=%d\n", sc, flags)); 401 402 if (sc->sc_intr_pipe != NULL) { 403 usbd_abort_pipe(sc->sc_intr_pipe); 404 usbd_close_pipe(sc->sc_intr_pipe); 405 free(sc->sc_intr_buf, M_USBDEV, 0); 406 sc->sc_intr_pipe = NULL; 407 } 408 409 if (sc->sc_subdev != NULL) { 410 rv = config_detach(sc->sc_subdev, flags); 411 sc->sc_subdev = NULL; 412 } 413 414 return (rv); 415 } 416 417 usbd_status 418 uplcom_reset(struct uplcom_softc *sc) 419 { 420 usb_device_request_t req; 421 usbd_status err; 422 423 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 424 req.bRequest = UPLCOM_SET_REQUEST; 425 USETW(req.wValue, 0); 426 USETW(req.wIndex, sc->sc_iface_number); 427 USETW(req.wLength, 0); 428 429 err = usbd_do_request(sc->sc_udev, &req, 0); 430 if (err) 431 return (EIO); 432 433 return (0); 434 } 435 436 void 437 uplcom_set_line_state(struct uplcom_softc *sc) 438 { 439 usb_device_request_t req; 440 int ls; 441 442 /* Make sure we have initialized state for sc_dtr and sc_rts */ 443 if (sc->sc_dtr == -1) 444 sc->sc_dtr = 0; 445 if (sc->sc_rts == -1) 446 sc->sc_rts = 0; 447 448 ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) | 449 (sc->sc_rts ? UCDC_LINE_RTS : 0); 450 451 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 452 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 453 USETW(req.wValue, ls); 454 USETW(req.wIndex, sc->sc_iface_number); 455 USETW(req.wLength, 0); 456 457 (void)usbd_do_request(sc->sc_udev, &req, 0); 458 459 } 460 461 void 462 uplcom_set(void *addr, int portno, int reg, int onoff) 463 { 464 struct uplcom_softc *sc = addr; 465 466 switch (reg) { 467 case UCOM_SET_DTR: 468 uplcom_dtr(sc, onoff); 469 break; 470 case UCOM_SET_RTS: 471 uplcom_rts(sc, onoff); 472 break; 473 case UCOM_SET_BREAK: 474 uplcom_break(sc, onoff); 475 break; 476 default: 477 break; 478 } 479 } 480 481 void 482 uplcom_dtr(struct uplcom_softc *sc, int onoff) 483 { 484 485 DPRINTF(("uplcom_dtr: onoff=%d\n", onoff)); 486 487 if (sc->sc_dtr != -1 && !sc->sc_dtr == !onoff) 488 return; 489 490 sc->sc_dtr = !!onoff; 491 492 uplcom_set_line_state(sc); 493 } 494 495 void 496 uplcom_rts(struct uplcom_softc *sc, int onoff) 497 { 498 DPRINTF(("uplcom_rts: onoff=%d\n", onoff)); 499 500 if (sc->sc_rts == -1 && !sc->sc_rts == !onoff) 501 return; 502 503 sc->sc_rts = !!onoff; 504 505 uplcom_set_line_state(sc); 506 } 507 508 void 509 uplcom_break(struct uplcom_softc *sc, int onoff) 510 { 511 usb_device_request_t req; 512 513 DPRINTF(("uplcom_break: onoff=%d\n", onoff)); 514 515 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 516 req.bRequest = UCDC_SEND_BREAK; 517 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 518 USETW(req.wIndex, sc->sc_iface_number); 519 USETW(req.wLength, 0); 520 521 (void)usbd_do_request(sc->sc_udev, &req, 0); 522 } 523 524 usbd_status 525 uplcom_set_crtscts(struct uplcom_softc *sc) 526 { 527 usb_device_request_t req; 528 usbd_status err; 529 530 DPRINTF(("uplcom_set_crtscts: on\n")); 531 532 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 533 req.bRequest = UPLCOM_SET_REQUEST; 534 USETW(req.wValue, 0); 535 USETW(req.wIndex, 536 (sc->sc_type_hx ? UPLCOM_HX_SET_CRTSCTS : UPLCOM_SET_CRTSCTS)); 537 USETW(req.wLength, 0); 538 539 err = usbd_do_request(sc->sc_udev, &req, 0); 540 if (err) { 541 DPRINTF(("uplcom_set_crtscts: failed, err=%s\n", 542 usbd_errstr(err))); 543 return (err); 544 } 545 546 return (USBD_NORMAL_COMPLETION); 547 } 548 549 usbd_status 550 uplcom_set_line_coding(struct uplcom_softc *sc, 551 struct usb_cdc_line_state *state) 552 { 553 usb_device_request_t req; 554 usbd_status err; 555 556 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n", 557 UGETDW(state->dwDTERate), state->bCharFormat, 558 state->bParityType, state->bDataBits)); 559 560 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { 561 DPRINTF(("uplcom_set_line_coding: already set\n")); 562 return (USBD_NORMAL_COMPLETION); 563 } 564 565 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 566 req.bRequest = UCDC_SET_LINE_CODING; 567 USETW(req.wValue, 0); 568 USETW(req.wIndex, sc->sc_iface_number); 569 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 570 571 err = usbd_do_request(sc->sc_udev, &req, state); 572 if (err) { 573 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n", 574 usbd_errstr(err))); 575 return (err); 576 } 577 578 sc->sc_line_state = *state; 579 580 return (USBD_NORMAL_COMPLETION); 581 } 582 583 int 584 uplcom_param(void *addr, int portno, struct termios *t) 585 { 586 struct uplcom_softc *sc = addr; 587 usbd_status err; 588 struct usb_cdc_line_state ls; 589 590 DPRINTF(("uplcom_param: sc=%p\n", sc)); 591 592 USETDW(ls.dwDTERate, t->c_ospeed); 593 if (ISSET(t->c_cflag, CSTOPB)) 594 ls.bCharFormat = UCDC_STOP_BIT_2; 595 else 596 ls.bCharFormat = UCDC_STOP_BIT_1; 597 if (ISSET(t->c_cflag, PARENB)) { 598 if (ISSET(t->c_cflag, PARODD)) 599 ls.bParityType = UCDC_PARITY_ODD; 600 else 601 ls.bParityType = UCDC_PARITY_EVEN; 602 } else 603 ls.bParityType = UCDC_PARITY_NONE; 604 switch (ISSET(t->c_cflag, CSIZE)) { 605 case CS5: 606 ls.bDataBits = 5; 607 break; 608 case CS6: 609 ls.bDataBits = 6; 610 break; 611 case CS7: 612 ls.bDataBits = 7; 613 break; 614 case CS8: 615 ls.bDataBits = 8; 616 break; 617 } 618 619 err = uplcom_set_line_coding(sc, &ls); 620 if (err) { 621 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 622 return (EIO); 623 } 624 625 if (ISSET(t->c_cflag, CRTSCTS)) 626 uplcom_set_crtscts(sc); 627 628 if (sc->sc_rts == -1 || sc->sc_dtr == -1) 629 uplcom_set_line_state(sc); 630 631 if (err) { 632 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 633 return (EIO); 634 } 635 636 return (0); 637 } 638 639 int 640 uplcom_open(void *addr, int portno) 641 { 642 struct uplcom_softc *sc = addr; 643 usb_device_request_t req; 644 usbd_status uerr; 645 int err; 646 647 if (usbd_is_dying(sc->sc_udev)) 648 return (EIO); 649 650 DPRINTF(("uplcom_open: sc=%p\n", sc)); 651 652 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 653 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 654 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, 655 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, 656 sc->sc_intr_buf, sc->sc_isize, 657 uplcom_intr, USBD_DEFAULT_INTERVAL); 658 if (err) { 659 DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n", 660 sc->sc_dev.dv_xname, sc->sc_intr_number)); 661 return (EIO); 662 } 663 } 664 665 if (sc->sc_type_hx == 1) { 666 /* 667 * Undocumented (vendor unresponsive) - possibly changes 668 * flow control semantics. It is needed for HX variant devices. 669 */ 670 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 671 req.bRequest = UPLCOM_SET_REQUEST; 672 USETW(req.wValue, 2); 673 USETW(req.wIndex, 0x44); 674 USETW(req.wLength, 0); 675 676 uerr = usbd_do_request(sc->sc_udev, &req, 0); 677 if (uerr) 678 return (EIO); 679 680 /* Reset upstream data pipes */ 681 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 682 req.bRequest = UPLCOM_SET_REQUEST; 683 USETW(req.wValue, 8); 684 USETW(req.wIndex, 0); 685 USETW(req.wLength, 0); 686 687 uerr = usbd_do_request(sc->sc_udev, &req, 0); 688 if (uerr) 689 return (EIO); 690 691 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 692 req.bRequest = UPLCOM_SET_REQUEST; 693 USETW(req.wValue, 9); 694 USETW(req.wIndex, 0); 695 USETW(req.wLength, 0); 696 697 uerr = usbd_do_request(sc->sc_udev, &req, 0); 698 if (uerr) 699 return (EIO); 700 } 701 702 return (0); 703 } 704 705 void 706 uplcom_close(void *addr, int portno) 707 { 708 struct uplcom_softc *sc = addr; 709 int err; 710 711 if (usbd_is_dying(sc->sc_udev)) 712 return; 713 714 DPRINTF(("uplcom_close: close\n")); 715 716 if (sc->sc_intr_pipe != NULL) { 717 usbd_abort_pipe(sc->sc_intr_pipe); 718 err = usbd_close_pipe(sc->sc_intr_pipe); 719 if (err) 720 printf("%s: close interrupt pipe failed: %s\n", 721 sc->sc_dev.dv_xname, usbd_errstr(err)); 722 free(sc->sc_intr_buf, M_USBDEV, 0); 723 sc->sc_intr_pipe = NULL; 724 } 725 } 726 727 void 728 uplcom_intr(struct usbd_xfer *xfer, void *priv, usbd_status status) 729 { 730 struct uplcom_softc *sc = priv; 731 u_char *buf = sc->sc_intr_buf; 732 u_char pstatus; 733 734 if (usbd_is_dying(sc->sc_udev)) 735 return; 736 737 if (status != USBD_NORMAL_COMPLETION) { 738 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 739 return; 740 741 DPRINTF(("%s: abnormal status: %s\n", sc->sc_dev.dv_xname, 742 usbd_errstr(status))); 743 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 744 return; 745 } 746 747 DPRINTF(("%s: uplcom status = %02x\n", sc->sc_dev.dv_xname, buf[8])); 748 749 sc->sc_lsr = sc->sc_msr = 0; 750 pstatus = buf[8]; 751 if (ISSET(pstatus, RSAQ_STATUS_CTS)) 752 sc->sc_msr |= UMSR_CTS; 753 else 754 sc->sc_msr &= ~UMSR_CTS; 755 if (ISSET(pstatus, RSAQ_STATUS_DSR)) 756 sc->sc_msr |= UMSR_DSR; 757 else 758 sc->sc_msr &= ~UMSR_DSR; 759 if (ISSET(pstatus, RSAQ_STATUS_DCD)) 760 sc->sc_msr |= UMSR_DCD; 761 else 762 sc->sc_msr &= ~UMSR_DCD; 763 ucom_status_change((struct ucom_softc *) sc->sc_subdev); 764 } 765 766 void 767 uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 768 { 769 struct uplcom_softc *sc = addr; 770 771 DPRINTF(("uplcom_get_status:\n")); 772 773 if (lsr != NULL) 774 *lsr = sc->sc_lsr; 775 if (msr != NULL) 776 *msr = sc->sc_msr; 777 } 778