1 /* $OpenBSD: uplcom.c,v 1.75 2020/07/31 10:49:33 mglocker 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/selinfo.h> 48 #include <sys/device.h> 49 #include <sys/poll.h> 50 51 #include <dev/usb/usb.h> 52 #include <dev/usb/usbcdc.h> 53 54 #include <dev/usb/usbdi.h> 55 #include <dev/usb/usbdi_util.h> 56 #include <dev/usb/usbdevs.h> 57 58 #include <dev/usb/ucomvar.h> 59 60 #ifdef UPLCOM_DEBUG 61 #define DPRINTFN(n, x) do { if (uplcomdebug > (n)) printf x; } while (0) 62 int uplcomdebug = 0; 63 #else 64 #define DPRINTFN(n, x) 65 #endif 66 #define DPRINTF(x) DPRINTFN(0, x) 67 68 #define UPLCOM_IFACE_INDEX 0 69 #define UPLCOM_SECOND_IFACE_INDEX 1 70 71 #define UPLCOM_SET_REQUEST 0x01 72 #define UPLCOM_SET_CRTSCTS 0x41 73 #define UPLCOM_HX_SET_CRTSCTS 0x61 74 #define RSAQ_STATUS_CTS 0x80 75 #define RSAQ_STATUS_DSR 0x02 76 #define RSAQ_STATUS_DCD 0x01 77 78 struct uplcom_softc { 79 struct device sc_dev; /* base device */ 80 struct usbd_device *sc_udev; /* USB device */ 81 struct usbd_interface *sc_iface; /* interface */ 82 int sc_iface_number; /* interface number */ 83 84 struct usbd_interface *sc_intr_iface; /* interrupt interface */ 85 int sc_intr_number; /* interrupt number */ 86 struct usbd_pipe *sc_intr_pipe; /* interrupt pipe */ 87 u_char *sc_intr_buf; /* interrupt buffer */ 88 int sc_isize; 89 90 struct usb_cdc_line_state sc_line_state;/* current line state */ 91 int sc_dtr; /* current DTR state */ 92 int sc_rts; /* current RTS state */ 93 94 struct device *sc_subdev; /* ucom device */ 95 96 u_char sc_lsr; /* Local status register */ 97 u_char sc_msr; /* uplcom status register */ 98 int sc_type_hx; /* HX variant */ 99 }; 100 101 /* 102 * These are the maximum number of bytes transferred per frame. 103 * The output buffer size cannot be increased due to the size encoding. 104 */ 105 #define UPLCOMIBUFSIZE 256 106 #define UPLCOMOBUFSIZE 256 107 108 usbd_status uplcom_reset(struct uplcom_softc *); 109 usbd_status uplcom_set_line_coding(struct uplcom_softc *sc, 110 struct usb_cdc_line_state *state); 111 usbd_status uplcom_set_crtscts(struct uplcom_softc *); 112 void uplcom_intr(struct usbd_xfer *, void *, usbd_status); 113 114 void uplcom_set(void *, int, int, int); 115 void uplcom_dtr(struct uplcom_softc *, int); 116 void uplcom_rts(struct uplcom_softc *, int); 117 void uplcom_break(struct uplcom_softc *, int); 118 void uplcom_set_line_state(struct uplcom_softc *); 119 void uplcom_get_status(void *, int portno, u_char *lsr, u_char *msr); 120 int uplcom_param(void *, int, struct termios *); 121 int uplcom_open(void *, int); 122 void uplcom_close(void *, int); 123 124 struct ucom_methods uplcom_methods = { 125 uplcom_get_status, 126 uplcom_set, 127 uplcom_param, 128 NULL, 129 uplcom_open, 130 uplcom_close, 131 NULL, 132 NULL, 133 }; 134 135 static const struct usb_devno uplcom_devs[] = { 136 { USB_VENDOR_ALCATEL, USB_PRODUCT_ALCATEL_OT535 }, 137 { USB_VENDOR_ANCHOR, USB_PRODUCT_ANCHOR_SERIAL }, 138 { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC232A }, 139 { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U257 }, 140 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT }, 141 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT0 }, 142 { USB_VENDOR_HAL, USB_PRODUCT_HAL_IMR001 }, 143 { USB_VENDOR_HP, USB_PRODUCT_HP_LD220 }, 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_SIEMENS3, USB_PRODUCT_SIEMENS3_SX1 }, 163 { USB_VENDOR_SIEMENS3, USB_PRODUCT_SIEMENS3_X65 }, 164 { USB_VENDOR_SIEMENS3, USB_PRODUCT_SIEMENS3_X75 }, 165 { USB_VENDOR_SITECOM, USB_PRODUCT_SITECOM_CN104 }, 166 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8 }, 167 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8_CHG }, 168 { USB_VENDOR_SPEEDDRAGON, USB_PRODUCT_SPEEDDRAGON_MS3303H }, 169 { USB_VENDOR_SUSTEEN, USB_PRODUCT_SUSTEEN_DCU11 }, 170 { USB_VENDOR_SYNTECH, USB_PRODUCT_SYNTECH_SERIAL }, 171 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UHA6400 }, 172 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UPA9664 }, 173 { USB_VENDOR_TRIPPLITE, USB_PRODUCT_TRIPPLITE_U209 }, 174 { USB_VENDOR_SMART, USB_PRODUCT_SMART_PL2303 }, 175 { USB_VENDOR_YCCABLE, USB_PRODUCT_YCCABLE_PL2303 } 176 }; 177 #define uplcom_lookup(v, p) usb_lookup(uplcom_devs, v, p) 178 179 int uplcom_match(struct device *, void *, void *); 180 void uplcom_attach(struct device *, struct device *, void *); 181 int uplcom_detach(struct device *, int); 182 183 struct cfdriver uplcom_cd = { 184 NULL, "uplcom", DV_DULL 185 }; 186 187 const struct cfattach uplcom_ca = { 188 sizeof(struct uplcom_softc), uplcom_match, uplcom_attach, uplcom_detach 189 }; 190 191 int 192 uplcom_match(struct device *parent, void *match, void *aux) 193 { 194 struct usb_attach_arg *uaa = aux; 195 196 if (uaa->iface == NULL) 197 return (UMATCH_NONE); 198 199 return (uplcom_lookup(uaa->vendor, uaa->product) != NULL ? 200 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 201 } 202 203 void 204 uplcom_attach(struct device *parent, struct device *self, void *aux) 205 { 206 struct uplcom_softc *sc = (struct uplcom_softc *)self; 207 struct usb_attach_arg *uaa = aux; 208 struct usbd_device *dev = uaa->device; 209 usb_config_descriptor_t *cdesc; 210 usb_device_descriptor_t *ddesc; 211 usb_interface_descriptor_t *id; 212 usb_endpoint_descriptor_t *ed; 213 char *devname = sc->sc_dev.dv_xname; 214 usbd_status err; 215 int i; 216 struct ucom_attach_args uca; 217 218 sc->sc_udev = dev; 219 220 DPRINTF(("\n\nuplcom attach: sc=%p\n", sc)); 221 222 /* initialize endpoints */ 223 uca.bulkin = uca.bulkout = -1; 224 sc->sc_intr_number = -1; 225 sc->sc_intr_pipe = NULL; 226 227 /* get the config descriptor */ 228 cdesc = usbd_get_config_descriptor(sc->sc_udev); 229 230 if (cdesc == NULL) { 231 printf("%s: failed to get configuration descriptor\n", 232 sc->sc_dev.dv_xname); 233 usbd_deactivate(sc->sc_udev); 234 return; 235 } 236 237 /* get the device descriptor */ 238 ddesc = usbd_get_device_descriptor(sc->sc_udev); 239 if (ddesc == NULL) { 240 printf("%s: failed to get device descriptor\n", 241 sc->sc_dev.dv_xname); 242 usbd_deactivate(sc->sc_udev); 243 return; 244 } 245 246 /* 247 * The Linux driver suggest this will only be true for the HX 248 * variants. The datasheets disagree. 249 */ 250 if (ddesc->bDeviceClass == 0x02) 251 sc->sc_type_hx = 0; 252 else if (ddesc->bMaxPacketSize == 0x40) 253 sc->sc_type_hx = 1; 254 else 255 sc->sc_type_hx = 0; 256 257 #ifdef UPLCOM_DEBUG 258 /* print the chip type */ 259 if (sc->sc_type_hx) { 260 DPRINTF(("uplcom_attach: chiptype 2303X\n")); 261 } else { 262 DPRINTF(("uplcom_attach: chiptype 2303\n")); 263 } 264 #endif 265 /* get the (first/common) interface */ 266 err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX, 267 &sc->sc_iface); 268 if (err) { 269 printf("\n%s: failed to get interface, err=%s\n", 270 devname, usbd_errstr(err)); 271 usbd_deactivate(sc->sc_udev); 272 return; 273 } 274 275 /* Find the interrupt endpoints */ 276 277 id = usbd_get_interface_descriptor(sc->sc_iface); 278 sc->sc_iface_number = id->bInterfaceNumber; 279 280 for (i = 0; i < id->bNumEndpoints; i++) { 281 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 282 if (ed == NULL) { 283 printf("%s: no endpoint descriptor for %d\n", 284 sc->sc_dev.dv_xname, i); 285 usbd_deactivate(sc->sc_udev); 286 return; 287 } 288 289 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 290 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 291 sc->sc_intr_number = ed->bEndpointAddress; 292 sc->sc_isize = UGETW(ed->wMaxPacketSize); 293 } 294 } 295 296 if (sc->sc_intr_number== -1) { 297 printf("%s: Could not find interrupt in\n", 298 sc->sc_dev.dv_xname); 299 usbd_deactivate(sc->sc_udev); 300 return; 301 } 302 303 /* keep interface for interrupt */ 304 sc->sc_intr_iface = sc->sc_iface; 305 306 /* 307 * USB-RSAQ1 has two interface 308 * 309 * USB-RSAQ1 | USB-RSAQ2 310 * -----------------+----------------- 311 * Interface 0 |Interface 0 312 * Interrupt(0x81) | Interrupt(0x81) 313 * -----------------+ BulkIN(0x02) 314 * Interface 1 | BulkOUT(0x83) 315 * BulkIN(0x02) | 316 * BulkOUT(0x83) | 317 */ 318 if (cdesc->bNumInterface == 2) { 319 err = usbd_device2interface_handle(dev, 320 UPLCOM_SECOND_IFACE_INDEX, &sc->sc_iface); 321 if (err) { 322 printf("\n%s: failed to get second interface, err=%s\n", 323 devname, usbd_errstr(err)); 324 usbd_deactivate(sc->sc_udev); 325 return; 326 } 327 } 328 329 /* Find the bulk{in,out} endpoints */ 330 331 id = usbd_get_interface_descriptor(sc->sc_iface); 332 sc->sc_iface_number = id->bInterfaceNumber; 333 334 for (i = 0; i < id->bNumEndpoints; i++) { 335 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 336 if (ed == NULL) { 337 printf("%s: no endpoint descriptor for %d\n", 338 sc->sc_dev.dv_xname, i); 339 usbd_deactivate(sc->sc_udev); 340 return; 341 } 342 343 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 344 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 345 uca.bulkin = ed->bEndpointAddress; 346 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 347 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 348 uca.bulkout = ed->bEndpointAddress; 349 } 350 } 351 352 if (uca.bulkin == -1) { 353 printf("%s: Could not find data bulk in\n", 354 sc->sc_dev.dv_xname); 355 usbd_deactivate(sc->sc_udev); 356 return; 357 } 358 359 if (uca.bulkout == -1) { 360 printf("%s: Could not find data bulk out\n", 361 sc->sc_dev.dv_xname); 362 usbd_deactivate(sc->sc_udev); 363 return; 364 } 365 366 sc->sc_dtr = sc->sc_rts = -1; 367 uca.portno = UCOM_UNK_PORTNO; 368 /* bulkin, bulkout set above */ 369 uca.ibufsize = UPLCOMIBUFSIZE; 370 uca.obufsize = UPLCOMOBUFSIZE; 371 uca.ibufsizepad = UPLCOMIBUFSIZE; 372 uca.opkthdrlen = 0; 373 uca.device = dev; 374 uca.iface = sc->sc_iface; 375 uca.methods = &uplcom_methods; 376 uca.arg = sc; 377 uca.info = NULL; 378 379 err = uplcom_reset(sc); 380 381 if (err) { 382 printf("%s: reset failed, %s\n", sc->sc_dev.dv_xname, 383 usbd_errstr(err)); 384 usbd_deactivate(sc->sc_udev); 385 return; 386 } 387 388 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 389 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 390 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); 391 } 392 393 int 394 uplcom_detach(struct device *self, int flags) 395 { 396 struct uplcom_softc *sc = (struct uplcom_softc *)self; 397 int rv = 0; 398 399 DPRINTF(("uplcom_detach: sc=%p flags=%d\n", sc, flags)); 400 401 if (sc->sc_intr_pipe != NULL) { 402 usbd_close_pipe(sc->sc_intr_pipe); 403 free(sc->sc_intr_buf, M_USBDEV, sc->sc_isize); 404 sc->sc_intr_pipe = NULL; 405 } 406 407 if (sc->sc_subdev != NULL) { 408 rv = config_detach(sc->sc_subdev, flags); 409 sc->sc_subdev = NULL; 410 } 411 412 return (rv); 413 } 414 415 usbd_status 416 uplcom_reset(struct uplcom_softc *sc) 417 { 418 usb_device_request_t req; 419 usbd_status err; 420 421 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 422 req.bRequest = UPLCOM_SET_REQUEST; 423 USETW(req.wValue, 0); 424 USETW(req.wIndex, sc->sc_iface_number); 425 USETW(req.wLength, 0); 426 427 err = usbd_do_request(sc->sc_udev, &req, 0); 428 if (err) 429 return (EIO); 430 431 return (0); 432 } 433 434 void 435 uplcom_set_line_state(struct uplcom_softc *sc) 436 { 437 usb_device_request_t req; 438 int ls; 439 440 /* Make sure we have initialized state for sc_dtr and sc_rts */ 441 if (sc->sc_dtr == -1) 442 sc->sc_dtr = 0; 443 if (sc->sc_rts == -1) 444 sc->sc_rts = 0; 445 446 ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) | 447 (sc->sc_rts ? UCDC_LINE_RTS : 0); 448 449 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 450 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 451 USETW(req.wValue, ls); 452 USETW(req.wIndex, sc->sc_iface_number); 453 USETW(req.wLength, 0); 454 455 (void)usbd_do_request(sc->sc_udev, &req, 0); 456 457 } 458 459 void 460 uplcom_set(void *addr, int portno, int reg, int onoff) 461 { 462 struct uplcom_softc *sc = addr; 463 464 switch (reg) { 465 case UCOM_SET_DTR: 466 uplcom_dtr(sc, onoff); 467 break; 468 case UCOM_SET_RTS: 469 uplcom_rts(sc, onoff); 470 break; 471 case UCOM_SET_BREAK: 472 uplcom_break(sc, onoff); 473 break; 474 default: 475 break; 476 } 477 } 478 479 void 480 uplcom_dtr(struct uplcom_softc *sc, int onoff) 481 { 482 483 DPRINTF(("uplcom_dtr: onoff=%d\n", onoff)); 484 485 if (sc->sc_dtr != -1 && !sc->sc_dtr == !onoff) 486 return; 487 488 sc->sc_dtr = !!onoff; 489 490 uplcom_set_line_state(sc); 491 } 492 493 void 494 uplcom_rts(struct uplcom_softc *sc, int onoff) 495 { 496 DPRINTF(("uplcom_rts: onoff=%d\n", onoff)); 497 498 if (sc->sc_rts == -1 && !sc->sc_rts == !onoff) 499 return; 500 501 sc->sc_rts = !!onoff; 502 503 uplcom_set_line_state(sc); 504 } 505 506 void 507 uplcom_break(struct uplcom_softc *sc, int onoff) 508 { 509 usb_device_request_t req; 510 511 DPRINTF(("uplcom_break: onoff=%d\n", onoff)); 512 513 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 514 req.bRequest = UCDC_SEND_BREAK; 515 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 516 USETW(req.wIndex, sc->sc_iface_number); 517 USETW(req.wLength, 0); 518 519 (void)usbd_do_request(sc->sc_udev, &req, 0); 520 } 521 522 usbd_status 523 uplcom_set_crtscts(struct uplcom_softc *sc) 524 { 525 usb_device_request_t req; 526 usbd_status err; 527 528 DPRINTF(("uplcom_set_crtscts: on\n")); 529 530 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 531 req.bRequest = UPLCOM_SET_REQUEST; 532 USETW(req.wValue, 0); 533 USETW(req.wIndex, 534 (sc->sc_type_hx ? UPLCOM_HX_SET_CRTSCTS : UPLCOM_SET_CRTSCTS)); 535 USETW(req.wLength, 0); 536 537 err = usbd_do_request(sc->sc_udev, &req, 0); 538 if (err) { 539 DPRINTF(("uplcom_set_crtscts: failed, err=%s\n", 540 usbd_errstr(err))); 541 return (err); 542 } 543 544 return (USBD_NORMAL_COMPLETION); 545 } 546 547 usbd_status 548 uplcom_set_line_coding(struct uplcom_softc *sc, 549 struct usb_cdc_line_state *state) 550 { 551 usb_device_request_t req; 552 usbd_status err; 553 554 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n", 555 UGETDW(state->dwDTERate), state->bCharFormat, 556 state->bParityType, state->bDataBits)); 557 558 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { 559 DPRINTF(("uplcom_set_line_coding: already set\n")); 560 return (USBD_NORMAL_COMPLETION); 561 } 562 563 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 564 req.bRequest = UCDC_SET_LINE_CODING; 565 USETW(req.wValue, 0); 566 USETW(req.wIndex, sc->sc_iface_number); 567 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 568 569 err = usbd_do_request(sc->sc_udev, &req, state); 570 if (err) { 571 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n", 572 usbd_errstr(err))); 573 return (err); 574 } 575 576 sc->sc_line_state = *state; 577 578 return (USBD_NORMAL_COMPLETION); 579 } 580 581 int 582 uplcom_param(void *addr, int portno, struct termios *t) 583 { 584 struct uplcom_softc *sc = addr; 585 usbd_status err; 586 struct usb_cdc_line_state ls; 587 588 DPRINTF(("uplcom_param: sc=%p\n", sc)); 589 590 USETDW(ls.dwDTERate, t->c_ospeed); 591 if (ISSET(t->c_cflag, CSTOPB)) 592 ls.bCharFormat = UCDC_STOP_BIT_2; 593 else 594 ls.bCharFormat = UCDC_STOP_BIT_1; 595 if (ISSET(t->c_cflag, PARENB)) { 596 if (ISSET(t->c_cflag, PARODD)) 597 ls.bParityType = UCDC_PARITY_ODD; 598 else 599 ls.bParityType = UCDC_PARITY_EVEN; 600 } else 601 ls.bParityType = UCDC_PARITY_NONE; 602 switch (ISSET(t->c_cflag, CSIZE)) { 603 case CS5: 604 ls.bDataBits = 5; 605 break; 606 case CS6: 607 ls.bDataBits = 6; 608 break; 609 case CS7: 610 ls.bDataBits = 7; 611 break; 612 case CS8: 613 ls.bDataBits = 8; 614 break; 615 } 616 617 err = uplcom_set_line_coding(sc, &ls); 618 if (err) { 619 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 620 return (EIO); 621 } 622 623 if (ISSET(t->c_cflag, CRTSCTS)) 624 uplcom_set_crtscts(sc); 625 626 if (sc->sc_rts == -1 || sc->sc_dtr == -1) 627 uplcom_set_line_state(sc); 628 629 return (0); 630 } 631 632 int 633 uplcom_open(void *addr, int portno) 634 { 635 struct uplcom_softc *sc = addr; 636 usb_device_request_t req; 637 usbd_status uerr; 638 int err; 639 640 if (usbd_is_dying(sc->sc_udev)) 641 return (EIO); 642 643 DPRINTF(("uplcom_open: sc=%p\n", sc)); 644 645 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 646 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 647 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, 648 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, 649 sc->sc_intr_buf, sc->sc_isize, 650 uplcom_intr, USBD_DEFAULT_INTERVAL); 651 if (err) { 652 DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n", 653 sc->sc_dev.dv_xname, sc->sc_intr_number)); 654 return (EIO); 655 } 656 } 657 658 if (sc->sc_type_hx == 1) { 659 /* 660 * Undocumented (vendor unresponsive) - possibly changes 661 * flow control semantics. It is needed for HX variant devices. 662 */ 663 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 664 req.bRequest = UPLCOM_SET_REQUEST; 665 USETW(req.wValue, 2); 666 USETW(req.wIndex, 0x44); 667 USETW(req.wLength, 0); 668 669 uerr = usbd_do_request(sc->sc_udev, &req, 0); 670 if (uerr) 671 return (EIO); 672 673 /* Reset upstream data pipes */ 674 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 675 req.bRequest = UPLCOM_SET_REQUEST; 676 USETW(req.wValue, 8); 677 USETW(req.wIndex, 0); 678 USETW(req.wLength, 0); 679 680 uerr = usbd_do_request(sc->sc_udev, &req, 0); 681 if (uerr) 682 return (EIO); 683 684 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 685 req.bRequest = UPLCOM_SET_REQUEST; 686 USETW(req.wValue, 9); 687 USETW(req.wIndex, 0); 688 USETW(req.wLength, 0); 689 690 uerr = usbd_do_request(sc->sc_udev, &req, 0); 691 if (uerr) 692 return (EIO); 693 } 694 695 return (0); 696 } 697 698 void 699 uplcom_close(void *addr, int portno) 700 { 701 struct uplcom_softc *sc = addr; 702 int err; 703 704 if (usbd_is_dying(sc->sc_udev)) 705 return; 706 707 DPRINTF(("uplcom_close: close\n")); 708 709 if (sc->sc_intr_pipe != NULL) { 710 err = usbd_close_pipe(sc->sc_intr_pipe); 711 if (err) 712 printf("%s: close interrupt pipe failed: %s\n", 713 sc->sc_dev.dv_xname, usbd_errstr(err)); 714 free(sc->sc_intr_buf, M_USBDEV, sc->sc_isize); 715 sc->sc_intr_pipe = NULL; 716 } 717 } 718 719 void 720 uplcom_intr(struct usbd_xfer *xfer, void *priv, usbd_status status) 721 { 722 struct uplcom_softc *sc = priv; 723 u_char *buf = sc->sc_intr_buf; 724 u_char pstatus; 725 726 if (usbd_is_dying(sc->sc_udev)) 727 return; 728 729 if (status != USBD_NORMAL_COMPLETION) { 730 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 731 return; 732 733 DPRINTF(("%s: abnormal status: %s\n", sc->sc_dev.dv_xname, 734 usbd_errstr(status))); 735 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 736 return; 737 } 738 739 DPRINTF(("%s: uplcom status = %02x\n", sc->sc_dev.dv_xname, buf[8])); 740 741 sc->sc_lsr = sc->sc_msr = 0; 742 pstatus = buf[8]; 743 if (ISSET(pstatus, RSAQ_STATUS_CTS)) 744 sc->sc_msr |= UMSR_CTS; 745 else 746 sc->sc_msr &= ~UMSR_CTS; 747 if (ISSET(pstatus, RSAQ_STATUS_DSR)) 748 sc->sc_msr |= UMSR_DSR; 749 else 750 sc->sc_msr &= ~UMSR_DSR; 751 if (ISSET(pstatus, RSAQ_STATUS_DCD)) 752 sc->sc_msr |= UMSR_DCD; 753 else 754 sc->sc_msr &= ~UMSR_DCD; 755 ucom_status_change((struct ucom_softc *) sc->sc_subdev); 756 } 757 758 void 759 uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 760 { 761 struct uplcom_softc *sc = addr; 762 763 DPRINTF(("uplcom_get_status:\n")); 764 765 if (lsr != NULL) 766 *lsr = sc->sc_lsr; 767 if (msr != NULL) 768 *msr = sc->sc_msr; 769 } 770