1 /* $OpenBSD: uplcom.c,v 1.74 2020/03/11 13:04:02 jasper 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_abort_pipe(sc->sc_intr_pipe); 403 usbd_close_pipe(sc->sc_intr_pipe); 404 free(sc->sc_intr_buf, M_USBDEV, sc->sc_isize); 405 sc->sc_intr_pipe = NULL; 406 } 407 408 if (sc->sc_subdev != NULL) { 409 rv = config_detach(sc->sc_subdev, flags); 410 sc->sc_subdev = NULL; 411 } 412 413 return (rv); 414 } 415 416 usbd_status 417 uplcom_reset(struct uplcom_softc *sc) 418 { 419 usb_device_request_t req; 420 usbd_status err; 421 422 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 423 req.bRequest = UPLCOM_SET_REQUEST; 424 USETW(req.wValue, 0); 425 USETW(req.wIndex, sc->sc_iface_number); 426 USETW(req.wLength, 0); 427 428 err = usbd_do_request(sc->sc_udev, &req, 0); 429 if (err) 430 return (EIO); 431 432 return (0); 433 } 434 435 void 436 uplcom_set_line_state(struct uplcom_softc *sc) 437 { 438 usb_device_request_t req; 439 int ls; 440 441 /* Make sure we have initialized state for sc_dtr and sc_rts */ 442 if (sc->sc_dtr == -1) 443 sc->sc_dtr = 0; 444 if (sc->sc_rts == -1) 445 sc->sc_rts = 0; 446 447 ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) | 448 (sc->sc_rts ? UCDC_LINE_RTS : 0); 449 450 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 451 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 452 USETW(req.wValue, ls); 453 USETW(req.wIndex, sc->sc_iface_number); 454 USETW(req.wLength, 0); 455 456 (void)usbd_do_request(sc->sc_udev, &req, 0); 457 458 } 459 460 void 461 uplcom_set(void *addr, int portno, int reg, int onoff) 462 { 463 struct uplcom_softc *sc = addr; 464 465 switch (reg) { 466 case UCOM_SET_DTR: 467 uplcom_dtr(sc, onoff); 468 break; 469 case UCOM_SET_RTS: 470 uplcom_rts(sc, onoff); 471 break; 472 case UCOM_SET_BREAK: 473 uplcom_break(sc, onoff); 474 break; 475 default: 476 break; 477 } 478 } 479 480 void 481 uplcom_dtr(struct uplcom_softc *sc, int onoff) 482 { 483 484 DPRINTF(("uplcom_dtr: onoff=%d\n", onoff)); 485 486 if (sc->sc_dtr != -1 && !sc->sc_dtr == !onoff) 487 return; 488 489 sc->sc_dtr = !!onoff; 490 491 uplcom_set_line_state(sc); 492 } 493 494 void 495 uplcom_rts(struct uplcom_softc *sc, int onoff) 496 { 497 DPRINTF(("uplcom_rts: onoff=%d\n", onoff)); 498 499 if (sc->sc_rts == -1 && !sc->sc_rts == !onoff) 500 return; 501 502 sc->sc_rts = !!onoff; 503 504 uplcom_set_line_state(sc); 505 } 506 507 void 508 uplcom_break(struct uplcom_softc *sc, int onoff) 509 { 510 usb_device_request_t req; 511 512 DPRINTF(("uplcom_break: onoff=%d\n", onoff)); 513 514 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 515 req.bRequest = UCDC_SEND_BREAK; 516 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 517 USETW(req.wIndex, sc->sc_iface_number); 518 USETW(req.wLength, 0); 519 520 (void)usbd_do_request(sc->sc_udev, &req, 0); 521 } 522 523 usbd_status 524 uplcom_set_crtscts(struct uplcom_softc *sc) 525 { 526 usb_device_request_t req; 527 usbd_status err; 528 529 DPRINTF(("uplcom_set_crtscts: on\n")); 530 531 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 532 req.bRequest = UPLCOM_SET_REQUEST; 533 USETW(req.wValue, 0); 534 USETW(req.wIndex, 535 (sc->sc_type_hx ? UPLCOM_HX_SET_CRTSCTS : UPLCOM_SET_CRTSCTS)); 536 USETW(req.wLength, 0); 537 538 err = usbd_do_request(sc->sc_udev, &req, 0); 539 if (err) { 540 DPRINTF(("uplcom_set_crtscts: failed, err=%s\n", 541 usbd_errstr(err))); 542 return (err); 543 } 544 545 return (USBD_NORMAL_COMPLETION); 546 } 547 548 usbd_status 549 uplcom_set_line_coding(struct uplcom_softc *sc, 550 struct usb_cdc_line_state *state) 551 { 552 usb_device_request_t req; 553 usbd_status err; 554 555 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n", 556 UGETDW(state->dwDTERate), state->bCharFormat, 557 state->bParityType, state->bDataBits)); 558 559 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { 560 DPRINTF(("uplcom_set_line_coding: already set\n")); 561 return (USBD_NORMAL_COMPLETION); 562 } 563 564 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 565 req.bRequest = UCDC_SET_LINE_CODING; 566 USETW(req.wValue, 0); 567 USETW(req.wIndex, sc->sc_iface_number); 568 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 569 570 err = usbd_do_request(sc->sc_udev, &req, state); 571 if (err) { 572 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n", 573 usbd_errstr(err))); 574 return (err); 575 } 576 577 sc->sc_line_state = *state; 578 579 return (USBD_NORMAL_COMPLETION); 580 } 581 582 int 583 uplcom_param(void *addr, int portno, struct termios *t) 584 { 585 struct uplcom_softc *sc = addr; 586 usbd_status err; 587 struct usb_cdc_line_state ls; 588 589 DPRINTF(("uplcom_param: sc=%p\n", sc)); 590 591 USETDW(ls.dwDTERate, t->c_ospeed); 592 if (ISSET(t->c_cflag, CSTOPB)) 593 ls.bCharFormat = UCDC_STOP_BIT_2; 594 else 595 ls.bCharFormat = UCDC_STOP_BIT_1; 596 if (ISSET(t->c_cflag, PARENB)) { 597 if (ISSET(t->c_cflag, PARODD)) 598 ls.bParityType = UCDC_PARITY_ODD; 599 else 600 ls.bParityType = UCDC_PARITY_EVEN; 601 } else 602 ls.bParityType = UCDC_PARITY_NONE; 603 switch (ISSET(t->c_cflag, CSIZE)) { 604 case CS5: 605 ls.bDataBits = 5; 606 break; 607 case CS6: 608 ls.bDataBits = 6; 609 break; 610 case CS7: 611 ls.bDataBits = 7; 612 break; 613 case CS8: 614 ls.bDataBits = 8; 615 break; 616 } 617 618 err = uplcom_set_line_coding(sc, &ls); 619 if (err) { 620 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 621 return (EIO); 622 } 623 624 if (ISSET(t->c_cflag, CRTSCTS)) 625 uplcom_set_crtscts(sc); 626 627 if (sc->sc_rts == -1 || sc->sc_dtr == -1) 628 uplcom_set_line_state(sc); 629 630 return (0); 631 } 632 633 int 634 uplcom_open(void *addr, int portno) 635 { 636 struct uplcom_softc *sc = addr; 637 usb_device_request_t req; 638 usbd_status uerr; 639 int err; 640 641 if (usbd_is_dying(sc->sc_udev)) 642 return (EIO); 643 644 DPRINTF(("uplcom_open: sc=%p\n", sc)); 645 646 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 647 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 648 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, 649 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, 650 sc->sc_intr_buf, sc->sc_isize, 651 uplcom_intr, USBD_DEFAULT_INTERVAL); 652 if (err) { 653 DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n", 654 sc->sc_dev.dv_xname, sc->sc_intr_number)); 655 return (EIO); 656 } 657 } 658 659 if (sc->sc_type_hx == 1) { 660 /* 661 * Undocumented (vendor unresponsive) - possibly changes 662 * flow control semantics. It is needed for HX variant devices. 663 */ 664 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 665 req.bRequest = UPLCOM_SET_REQUEST; 666 USETW(req.wValue, 2); 667 USETW(req.wIndex, 0x44); 668 USETW(req.wLength, 0); 669 670 uerr = usbd_do_request(sc->sc_udev, &req, 0); 671 if (uerr) 672 return (EIO); 673 674 /* Reset upstream data pipes */ 675 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 676 req.bRequest = UPLCOM_SET_REQUEST; 677 USETW(req.wValue, 8); 678 USETW(req.wIndex, 0); 679 USETW(req.wLength, 0); 680 681 uerr = usbd_do_request(sc->sc_udev, &req, 0); 682 if (uerr) 683 return (EIO); 684 685 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 686 req.bRequest = UPLCOM_SET_REQUEST; 687 USETW(req.wValue, 9); 688 USETW(req.wIndex, 0); 689 USETW(req.wLength, 0); 690 691 uerr = usbd_do_request(sc->sc_udev, &req, 0); 692 if (uerr) 693 return (EIO); 694 } 695 696 return (0); 697 } 698 699 void 700 uplcom_close(void *addr, int portno) 701 { 702 struct uplcom_softc *sc = addr; 703 int err; 704 705 if (usbd_is_dying(sc->sc_udev)) 706 return; 707 708 DPRINTF(("uplcom_close: close\n")); 709 710 if (sc->sc_intr_pipe != NULL) { 711 usbd_abort_pipe(sc->sc_intr_pipe); 712 err = usbd_close_pipe(sc->sc_intr_pipe); 713 if (err) 714 printf("%s: close interrupt pipe failed: %s\n", 715 sc->sc_dev.dv_xname, usbd_errstr(err)); 716 free(sc->sc_intr_buf, M_USBDEV, sc->sc_isize); 717 sc->sc_intr_pipe = NULL; 718 } 719 } 720 721 void 722 uplcom_intr(struct usbd_xfer *xfer, void *priv, usbd_status status) 723 { 724 struct uplcom_softc *sc = priv; 725 u_char *buf = sc->sc_intr_buf; 726 u_char pstatus; 727 728 if (usbd_is_dying(sc->sc_udev)) 729 return; 730 731 if (status != USBD_NORMAL_COMPLETION) { 732 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 733 return; 734 735 DPRINTF(("%s: abnormal status: %s\n", sc->sc_dev.dv_xname, 736 usbd_errstr(status))); 737 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 738 return; 739 } 740 741 DPRINTF(("%s: uplcom status = %02x\n", sc->sc_dev.dv_xname, buf[8])); 742 743 sc->sc_lsr = sc->sc_msr = 0; 744 pstatus = buf[8]; 745 if (ISSET(pstatus, RSAQ_STATUS_CTS)) 746 sc->sc_msr |= UMSR_CTS; 747 else 748 sc->sc_msr &= ~UMSR_CTS; 749 if (ISSET(pstatus, RSAQ_STATUS_DSR)) 750 sc->sc_msr |= UMSR_DSR; 751 else 752 sc->sc_msr &= ~UMSR_DSR; 753 if (ISSET(pstatus, RSAQ_STATUS_DCD)) 754 sc->sc_msr |= UMSR_DCD; 755 else 756 sc->sc_msr &= ~UMSR_DCD; 757 ucom_status_change((struct ucom_softc *) sc->sc_subdev); 758 } 759 760 void 761 uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 762 { 763 struct uplcom_softc *sc = addr; 764 765 DPRINTF(("uplcom_get_status:\n")); 766 767 if (lsr != NULL) 768 *lsr = sc->sc_lsr; 769 if (msr != NULL) 770 *msr = sc->sc_msr; 771 } 772