1 /* $OpenBSD: uplcom.c,v 1.67 2016/05/24 05:35:01 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_CONFIG_INDEX 0 70 #define UPLCOM_IFACE_INDEX 0 71 #define UPLCOM_SECOND_IFACE_INDEX 1 72 73 #define UPLCOM_SET_REQUEST 0x01 74 #define UPLCOM_SET_CRTSCTS 0x41 75 #define UPLCOM_HX_SET_CRTSCTS 0x61 76 #define RSAQ_STATUS_CTS 0x80 77 #define RSAQ_STATUS_DSR 0x02 78 #define RSAQ_STATUS_DCD 0x01 79 80 struct uplcom_softc { 81 struct device sc_dev; /* base device */ 82 struct usbd_device *sc_udev; /* USB device */ 83 struct usbd_interface *sc_iface; /* interface */ 84 int sc_iface_number; /* interface number */ 85 86 struct usbd_interface *sc_intr_iface; /* interrupt interface */ 87 int sc_intr_number; /* interrupt number */ 88 struct usbd_pipe *sc_intr_pipe; /* interrupt pipe */ 89 u_char *sc_intr_buf; /* interrupt buffer */ 90 int sc_isize; 91 92 struct usb_cdc_line_state sc_line_state;/* current line state */ 93 int sc_dtr; /* current DTR state */ 94 int sc_rts; /* current RTS state */ 95 96 struct device *sc_subdev; /* ucom device */ 97 98 u_char sc_lsr; /* Local status register */ 99 u_char sc_msr; /* uplcom status register */ 100 int sc_type_hx; /* HX variant */ 101 }; 102 103 /* 104 * These are the maximum number of bytes transferred per frame. 105 * The output buffer size cannot be increased due to the size encoding. 106 */ 107 #define UPLCOMIBUFSIZE 256 108 #define UPLCOMOBUFSIZE 256 109 110 usbd_status uplcom_reset(struct uplcom_softc *); 111 usbd_status uplcom_set_line_coding(struct uplcom_softc *sc, 112 struct usb_cdc_line_state *state); 113 usbd_status uplcom_set_crtscts(struct uplcom_softc *); 114 void uplcom_intr(struct usbd_xfer *, void *, usbd_status); 115 116 void uplcom_set(void *, int, int, int); 117 void uplcom_dtr(struct uplcom_softc *, int); 118 void uplcom_rts(struct uplcom_softc *, int); 119 void uplcom_break(struct uplcom_softc *, int); 120 void uplcom_set_line_state(struct uplcom_softc *); 121 void uplcom_get_status(void *, int portno, u_char *lsr, u_char *msr); 122 int uplcom_param(void *, int, struct termios *); 123 int uplcom_open(void *, int); 124 void uplcom_close(void *, int); 125 126 struct ucom_methods uplcom_methods = { 127 uplcom_get_status, 128 uplcom_set, 129 uplcom_param, 130 NULL, 131 uplcom_open, 132 uplcom_close, 133 NULL, 134 NULL, 135 }; 136 137 static const struct usb_devno uplcom_devs[] = { 138 { USB_VENDOR_ALCATEL, USB_PRODUCT_ALCATEL_OT535 }, 139 { USB_VENDOR_ANCHOR, USB_PRODUCT_ANCHOR_SERIAL }, 140 { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC232A }, 141 { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U257 }, 142 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT }, 143 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT0 }, 144 { USB_VENDOR_HAL, USB_PRODUCT_HAL_IMR001 }, 145 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ }, 146 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ5 }, 147 { USB_VENDOR_LEADTEK, USB_PRODUCT_LEADTEK_9531 }, 148 { USB_VENDOR_MICROSOFT, USB_PRODUCT_MICROSOFT_700WX }, 149 { USB_VENDOR_MOBILEACTION, USB_PRODUCT_MOBILEACTION_MA620 }, 150 { USB_VENDOR_NOKIA, USB_PRODUCT_NOKIA_CA42 }, 151 { USB_VENDOR_OTI, USB_PRODUCT_OTI_DKU5 }, 152 { USB_VENDOR_PLX, USB_PRODUCT_PLX_CA42 }, 153 { USB_VENDOR_PANASONIC, USB_PRODUCT_PANASONIC_TYTP50P6S }, 154 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303 }, 155 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303X }, 156 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303X2 }, 157 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ2 }, 158 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303BENQ }, 159 { USB_VENDOR_PROLIFIC2, USB_PRODUCT_PROLIFIC2_PL2303 }, 160 { USB_VENDOR_RADIOSHACK, USB_PRODUCT_RADIOSHACK_PL2303 }, 161 { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60 }, 162 { USB_VENDOR_SAGEM, USB_PRODUCT_SAGEM_SERIAL }, 163 { USB_VENDOR_SAMSUNG2, USB_PRODUCT_SAMSUNG2_I330 }, 164 { USB_VENDOR_SIEMENS3, USB_PRODUCT_SIEMENS3_SX1 }, 165 { USB_VENDOR_SIEMENS3, USB_PRODUCT_SIEMENS3_X65 }, 166 { USB_VENDOR_SIEMENS3, USB_PRODUCT_SIEMENS3_X75 }, 167 { USB_VENDOR_SITECOM, USB_PRODUCT_SITECOM_CN104 }, 168 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8 }, 169 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8_CHG }, 170 { USB_VENDOR_SPEEDDRAGON, USB_PRODUCT_SPEEDDRAGON_MS3303H }, 171 { USB_VENDOR_SUSTEEN, USB_PRODUCT_SUSTEEN_DCU11 }, 172 { USB_VENDOR_SYNTECH, USB_PRODUCT_SYNTECH_SERIAL }, 173 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UHA6400 }, 174 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UPA9664 }, 175 { USB_VENDOR_TRIPPLITE, USB_PRODUCT_TRIPPLITE_U209 }, 176 { USB_VENDOR_SMART, USB_PRODUCT_SMART_PL2303 }, 177 { USB_VENDOR_YCCABLE, USB_PRODUCT_YCCABLE_PL2303 } 178 }; 179 #define uplcom_lookup(v, p) usb_lookup(uplcom_devs, v, p) 180 181 int uplcom_match(struct device *, void *, void *); 182 void uplcom_attach(struct device *, struct device *, void *); 183 int uplcom_detach(struct device *, int); 184 185 struct cfdriver uplcom_cd = { 186 NULL, "uplcom", DV_DULL 187 }; 188 189 const struct cfattach uplcom_ca = { 190 sizeof(struct uplcom_softc), uplcom_match, uplcom_attach, uplcom_detach 191 }; 192 193 int 194 uplcom_match(struct device *parent, void *match, void *aux) 195 { 196 struct usb_attach_arg *uaa = aux; 197 198 if (uaa->iface != NULL) 199 return (UMATCH_NONE); 200 201 return (uplcom_lookup(uaa->vendor, uaa->product) != NULL ? 202 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 203 } 204 205 void 206 uplcom_attach(struct device *parent, struct device *self, void *aux) 207 { 208 struct uplcom_softc *sc = (struct uplcom_softc *)self; 209 struct usb_attach_arg *uaa = aux; 210 struct usbd_device *dev = uaa->device; 211 usb_config_descriptor_t *cdesc; 212 usb_device_descriptor_t *ddesc; 213 usb_interface_descriptor_t *id; 214 usb_endpoint_descriptor_t *ed; 215 char *devname = sc->sc_dev.dv_xname; 216 usbd_status err; 217 int i; 218 struct ucom_attach_args uca; 219 220 sc->sc_udev = dev; 221 222 DPRINTF(("\n\nuplcom attach: sc=%p\n", sc)); 223 224 /* initialize endpoints */ 225 uca.bulkin = uca.bulkout = -1; 226 sc->sc_intr_number = -1; 227 sc->sc_intr_pipe = NULL; 228 229 /* Move the device into the configured state. */ 230 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); 231 if (err) { 232 printf("%s: failed to set configuration, err=%s\n", 233 devname, usbd_errstr(err)); 234 usbd_deactivate(sc->sc_udev); 235 return; 236 } 237 238 /* get the config descriptor */ 239 cdesc = usbd_get_config_descriptor(sc->sc_udev); 240 241 if (cdesc == NULL) { 242 printf("%s: failed to get configuration descriptor\n", 243 sc->sc_dev.dv_xname); 244 usbd_deactivate(sc->sc_udev); 245 return; 246 } 247 248 /* get the device descriptor */ 249 ddesc = usbd_get_device_descriptor(sc->sc_udev); 250 if (ddesc == NULL) { 251 printf("%s: failed to get device descriptor\n", 252 sc->sc_dev.dv_xname); 253 usbd_deactivate(sc->sc_udev); 254 return; 255 } 256 257 /* 258 * The Linux driver suggest this will only be true for the HX 259 * variants. The datasheets disagree. 260 */ 261 if (ddesc->bDeviceClass == 0x02) 262 sc->sc_type_hx = 0; 263 else if (ddesc->bMaxPacketSize == 0x40) 264 sc->sc_type_hx = 1; 265 else 266 sc->sc_type_hx = 0; 267 268 #ifdef USB_DEBUG 269 /* print the chip type */ 270 if (sc->sc_type_hx) { 271 DPRINTF(("uplcom_attach: chiptype 2303X\n")); 272 } else { 273 DPRINTF(("uplcom_attach: chiptype 2303\n")); 274 } 275 #endif 276 /* get the (first/common) interface */ 277 err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX, 278 &sc->sc_iface); 279 if (err) { 280 printf("\n%s: failed to get interface, err=%s\n", 281 devname, usbd_errstr(err)); 282 usbd_deactivate(sc->sc_udev); 283 return; 284 } 285 286 /* Find the interrupt endpoints */ 287 288 id = usbd_get_interface_descriptor(sc->sc_iface); 289 sc->sc_iface_number = id->bInterfaceNumber; 290 291 for (i = 0; i < id->bNumEndpoints; i++) { 292 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 293 if (ed == NULL) { 294 printf("%s: no endpoint descriptor for %d\n", 295 sc->sc_dev.dv_xname, i); 296 usbd_deactivate(sc->sc_udev); 297 return; 298 } 299 300 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 301 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 302 sc->sc_intr_number = ed->bEndpointAddress; 303 sc->sc_isize = UGETW(ed->wMaxPacketSize); 304 } 305 } 306 307 if (sc->sc_intr_number== -1) { 308 printf("%s: Could not find interrupt in\n", 309 sc->sc_dev.dv_xname); 310 usbd_deactivate(sc->sc_udev); 311 return; 312 } 313 314 /* keep interface for interrupt */ 315 sc->sc_intr_iface = sc->sc_iface; 316 317 /* 318 * USB-RSAQ1 has two interface 319 * 320 * USB-RSAQ1 | USB-RSAQ2 321 * -----------------+----------------- 322 * Interface 0 |Interface 0 323 * Interrupt(0x81) | Interrupt(0x81) 324 * -----------------+ BulkIN(0x02) 325 * Interface 1 | BulkOUT(0x83) 326 * BulkIN(0x02) | 327 * BulkOUT(0x83) | 328 */ 329 if (cdesc->bNumInterface == 2) { 330 err = usbd_device2interface_handle(dev, 331 UPLCOM_SECOND_IFACE_INDEX, &sc->sc_iface); 332 if (err) { 333 printf("\n%s: failed to get second interface, err=%s\n", 334 devname, usbd_errstr(err)); 335 usbd_deactivate(sc->sc_udev); 336 return; 337 } 338 } 339 340 /* Find the bulk{in,out} endpoints */ 341 342 id = usbd_get_interface_descriptor(sc->sc_iface); 343 sc->sc_iface_number = id->bInterfaceNumber; 344 345 for (i = 0; i < id->bNumEndpoints; i++) { 346 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 347 if (ed == NULL) { 348 printf("%s: no endpoint descriptor for %d\n", 349 sc->sc_dev.dv_xname, i); 350 usbd_deactivate(sc->sc_udev); 351 return; 352 } 353 354 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 355 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 356 uca.bulkin = ed->bEndpointAddress; 357 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 358 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 359 uca.bulkout = ed->bEndpointAddress; 360 } 361 } 362 363 if (uca.bulkin == -1) { 364 printf("%s: Could not find data bulk in\n", 365 sc->sc_dev.dv_xname); 366 usbd_deactivate(sc->sc_udev); 367 return; 368 } 369 370 if (uca.bulkout == -1) { 371 printf("%s: Could not find data bulk out\n", 372 sc->sc_dev.dv_xname); 373 usbd_deactivate(sc->sc_udev); 374 return; 375 } 376 377 sc->sc_dtr = sc->sc_rts = -1; 378 uca.portno = UCOM_UNK_PORTNO; 379 /* bulkin, bulkout set above */ 380 uca.ibufsize = UPLCOMIBUFSIZE; 381 uca.obufsize = UPLCOMOBUFSIZE; 382 uca.ibufsizepad = UPLCOMIBUFSIZE; 383 uca.opkthdrlen = 0; 384 uca.device = dev; 385 uca.iface = sc->sc_iface; 386 uca.methods = &uplcom_methods; 387 uca.arg = sc; 388 uca.info = NULL; 389 390 err = uplcom_reset(sc); 391 392 if (err) { 393 printf("%s: reset failed, %s\n", sc->sc_dev.dv_xname, 394 usbd_errstr(err)); 395 usbd_deactivate(sc->sc_udev); 396 return; 397 } 398 399 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 400 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 401 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); 402 } 403 404 int 405 uplcom_detach(struct device *self, int flags) 406 { 407 struct uplcom_softc *sc = (struct uplcom_softc *)self; 408 int rv = 0; 409 410 DPRINTF(("uplcom_detach: sc=%p flags=%d\n", sc, flags)); 411 412 if (sc->sc_intr_pipe != NULL) { 413 usbd_abort_pipe(sc->sc_intr_pipe); 414 usbd_close_pipe(sc->sc_intr_pipe); 415 free(sc->sc_intr_buf, M_USBDEV, 0); 416 sc->sc_intr_pipe = NULL; 417 } 418 419 if (sc->sc_subdev != NULL) { 420 rv = config_detach(sc->sc_subdev, flags); 421 sc->sc_subdev = NULL; 422 } 423 424 return (rv); 425 } 426 427 usbd_status 428 uplcom_reset(struct uplcom_softc *sc) 429 { 430 usb_device_request_t req; 431 usbd_status err; 432 433 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 434 req.bRequest = UPLCOM_SET_REQUEST; 435 USETW(req.wValue, 0); 436 USETW(req.wIndex, sc->sc_iface_number); 437 USETW(req.wLength, 0); 438 439 err = usbd_do_request(sc->sc_udev, &req, 0); 440 if (err) 441 return (EIO); 442 443 return (0); 444 } 445 446 void 447 uplcom_set_line_state(struct uplcom_softc *sc) 448 { 449 usb_device_request_t req; 450 int ls; 451 452 /* Make sure we have initialized state for sc_dtr and sc_rts */ 453 if (sc->sc_dtr == -1) 454 sc->sc_dtr = 0; 455 if (sc->sc_rts == -1) 456 sc->sc_rts = 0; 457 458 ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) | 459 (sc->sc_rts ? UCDC_LINE_RTS : 0); 460 461 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 462 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 463 USETW(req.wValue, ls); 464 USETW(req.wIndex, sc->sc_iface_number); 465 USETW(req.wLength, 0); 466 467 (void)usbd_do_request(sc->sc_udev, &req, 0); 468 469 } 470 471 void 472 uplcom_set(void *addr, int portno, int reg, int onoff) 473 { 474 struct uplcom_softc *sc = addr; 475 476 switch (reg) { 477 case UCOM_SET_DTR: 478 uplcom_dtr(sc, onoff); 479 break; 480 case UCOM_SET_RTS: 481 uplcom_rts(sc, onoff); 482 break; 483 case UCOM_SET_BREAK: 484 uplcom_break(sc, onoff); 485 break; 486 default: 487 break; 488 } 489 } 490 491 void 492 uplcom_dtr(struct uplcom_softc *sc, int onoff) 493 { 494 495 DPRINTF(("uplcom_dtr: onoff=%d\n", onoff)); 496 497 if (sc->sc_dtr != -1 && !sc->sc_dtr == !onoff) 498 return; 499 500 sc->sc_dtr = !!onoff; 501 502 uplcom_set_line_state(sc); 503 } 504 505 void 506 uplcom_rts(struct uplcom_softc *sc, int onoff) 507 { 508 DPRINTF(("uplcom_rts: onoff=%d\n", onoff)); 509 510 if (sc->sc_rts == -1 && !sc->sc_rts == !onoff) 511 return; 512 513 sc->sc_rts = !!onoff; 514 515 uplcom_set_line_state(sc); 516 } 517 518 void 519 uplcom_break(struct uplcom_softc *sc, int onoff) 520 { 521 usb_device_request_t req; 522 523 DPRINTF(("uplcom_break: onoff=%d\n", onoff)); 524 525 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 526 req.bRequest = UCDC_SEND_BREAK; 527 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 528 USETW(req.wIndex, sc->sc_iface_number); 529 USETW(req.wLength, 0); 530 531 (void)usbd_do_request(sc->sc_udev, &req, 0); 532 } 533 534 usbd_status 535 uplcom_set_crtscts(struct uplcom_softc *sc) 536 { 537 usb_device_request_t req; 538 usbd_status err; 539 540 DPRINTF(("uplcom_set_crtscts: on\n")); 541 542 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 543 req.bRequest = UPLCOM_SET_REQUEST; 544 USETW(req.wValue, 0); 545 USETW(req.wIndex, 546 (sc->sc_type_hx ? UPLCOM_HX_SET_CRTSCTS : UPLCOM_SET_CRTSCTS)); 547 USETW(req.wLength, 0); 548 549 err = usbd_do_request(sc->sc_udev, &req, 0); 550 if (err) { 551 DPRINTF(("uplcom_set_crtscts: failed, err=%s\n", 552 usbd_errstr(err))); 553 return (err); 554 } 555 556 return (USBD_NORMAL_COMPLETION); 557 } 558 559 usbd_status 560 uplcom_set_line_coding(struct uplcom_softc *sc, 561 struct usb_cdc_line_state *state) 562 { 563 usb_device_request_t req; 564 usbd_status err; 565 566 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n", 567 UGETDW(state->dwDTERate), state->bCharFormat, 568 state->bParityType, state->bDataBits)); 569 570 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { 571 DPRINTF(("uplcom_set_line_coding: already set\n")); 572 return (USBD_NORMAL_COMPLETION); 573 } 574 575 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 576 req.bRequest = UCDC_SET_LINE_CODING; 577 USETW(req.wValue, 0); 578 USETW(req.wIndex, sc->sc_iface_number); 579 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 580 581 err = usbd_do_request(sc->sc_udev, &req, state); 582 if (err) { 583 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n", 584 usbd_errstr(err))); 585 return (err); 586 } 587 588 sc->sc_line_state = *state; 589 590 return (USBD_NORMAL_COMPLETION); 591 } 592 593 int 594 uplcom_param(void *addr, int portno, struct termios *t) 595 { 596 struct uplcom_softc *sc = addr; 597 usbd_status err; 598 struct usb_cdc_line_state ls; 599 600 DPRINTF(("uplcom_param: sc=%p\n", sc)); 601 602 USETDW(ls.dwDTERate, t->c_ospeed); 603 if (ISSET(t->c_cflag, CSTOPB)) 604 ls.bCharFormat = UCDC_STOP_BIT_2; 605 else 606 ls.bCharFormat = UCDC_STOP_BIT_1; 607 if (ISSET(t->c_cflag, PARENB)) { 608 if (ISSET(t->c_cflag, PARODD)) 609 ls.bParityType = UCDC_PARITY_ODD; 610 else 611 ls.bParityType = UCDC_PARITY_EVEN; 612 } else 613 ls.bParityType = UCDC_PARITY_NONE; 614 switch (ISSET(t->c_cflag, CSIZE)) { 615 case CS5: 616 ls.bDataBits = 5; 617 break; 618 case CS6: 619 ls.bDataBits = 6; 620 break; 621 case CS7: 622 ls.bDataBits = 7; 623 break; 624 case CS8: 625 ls.bDataBits = 8; 626 break; 627 } 628 629 err = uplcom_set_line_coding(sc, &ls); 630 if (err) { 631 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 632 return (EIO); 633 } 634 635 if (ISSET(t->c_cflag, CRTSCTS)) 636 uplcom_set_crtscts(sc); 637 638 if (sc->sc_rts == -1 || sc->sc_dtr == -1) 639 uplcom_set_line_state(sc); 640 641 if (err) { 642 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 643 return (EIO); 644 } 645 646 return (0); 647 } 648 649 int 650 uplcom_open(void *addr, int portno) 651 { 652 struct uplcom_softc *sc = addr; 653 usb_device_request_t req; 654 usbd_status uerr; 655 int err; 656 657 if (usbd_is_dying(sc->sc_udev)) 658 return (EIO); 659 660 DPRINTF(("uplcom_open: sc=%p\n", sc)); 661 662 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 663 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 664 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, 665 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, 666 sc->sc_intr_buf, sc->sc_isize, 667 uplcom_intr, USBD_DEFAULT_INTERVAL); 668 if (err) { 669 DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n", 670 sc->sc_dev.dv_xname, sc->sc_intr_number)); 671 return (EIO); 672 } 673 } 674 675 if (sc->sc_type_hx == 1) { 676 /* 677 * Undocumented (vendor unresponsive) - possibly changes 678 * flow control semantics. It is needed for HX variant devices. 679 */ 680 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 681 req.bRequest = UPLCOM_SET_REQUEST; 682 USETW(req.wValue, 2); 683 USETW(req.wIndex, 0x44); 684 USETW(req.wLength, 0); 685 686 uerr = usbd_do_request(sc->sc_udev, &req, 0); 687 if (uerr) 688 return (EIO); 689 690 /* Reset upstream data pipes */ 691 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 692 req.bRequest = UPLCOM_SET_REQUEST; 693 USETW(req.wValue, 8); 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 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 702 req.bRequest = UPLCOM_SET_REQUEST; 703 USETW(req.wValue, 9); 704 USETW(req.wIndex, 0); 705 USETW(req.wLength, 0); 706 707 uerr = usbd_do_request(sc->sc_udev, &req, 0); 708 if (uerr) 709 return (EIO); 710 } 711 712 return (0); 713 } 714 715 void 716 uplcom_close(void *addr, int portno) 717 { 718 struct uplcom_softc *sc = addr; 719 int err; 720 721 if (usbd_is_dying(sc->sc_udev)) 722 return; 723 724 DPRINTF(("uplcom_close: close\n")); 725 726 if (sc->sc_intr_pipe != NULL) { 727 usbd_abort_pipe(sc->sc_intr_pipe); 728 err = usbd_close_pipe(sc->sc_intr_pipe); 729 if (err) 730 printf("%s: close interrupt pipe failed: %s\n", 731 sc->sc_dev.dv_xname, usbd_errstr(err)); 732 free(sc->sc_intr_buf, M_USBDEV, 0); 733 sc->sc_intr_pipe = NULL; 734 } 735 } 736 737 void 738 uplcom_intr(struct usbd_xfer *xfer, void *priv, usbd_status status) 739 { 740 struct uplcom_softc *sc = priv; 741 u_char *buf = sc->sc_intr_buf; 742 u_char pstatus; 743 744 if (usbd_is_dying(sc->sc_udev)) 745 return; 746 747 if (status != USBD_NORMAL_COMPLETION) { 748 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 749 return; 750 751 DPRINTF(("%s: abnormal status: %s\n", sc->sc_dev.dv_xname, 752 usbd_errstr(status))); 753 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 754 return; 755 } 756 757 DPRINTF(("%s: uplcom status = %02x\n", sc->sc_dev.dv_xname, buf[8])); 758 759 sc->sc_lsr = sc->sc_msr = 0; 760 pstatus = buf[8]; 761 if (ISSET(pstatus, RSAQ_STATUS_CTS)) 762 sc->sc_msr |= UMSR_CTS; 763 else 764 sc->sc_msr &= ~UMSR_CTS; 765 if (ISSET(pstatus, RSAQ_STATUS_DSR)) 766 sc->sc_msr |= UMSR_DSR; 767 else 768 sc->sc_msr &= ~UMSR_DSR; 769 if (ISSET(pstatus, RSAQ_STATUS_DCD)) 770 sc->sc_msr |= UMSR_DCD; 771 else 772 sc->sc_msr &= ~UMSR_DCD; 773 ucom_status_change((struct ucom_softc *) sc->sc_subdev); 774 } 775 776 void 777 uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 778 { 779 struct uplcom_softc *sc = addr; 780 781 DPRINTF(("uplcom_get_status:\n")); 782 783 if (lsr != NULL) 784 *lsr = sc->sc_lsr; 785 if (msr != NULL) 786 *msr = sc->sc_msr; 787 } 788