1 /* $OpenBSD: uplcom.c,v 1.56 2011/07/03 15:47:17 matthew 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/proc.h> 50 #include <sys/vnode.h> 51 #include <sys/device.h> 52 #include <sys/poll.h> 53 54 #include <dev/usb/usb.h> 55 #include <dev/usb/usbcdc.h> 56 57 #include <dev/usb/usbdi.h> 58 #include <dev/usb/usbdi_util.h> 59 #include <dev/usb/usbdevs.h> 60 #include <dev/usb/usb_quirks.h> 61 62 #include <dev/usb/usbdevs.h> 63 #include <dev/usb/ucomvar.h> 64 65 #ifdef UPLCOM_DEBUG 66 #define DPRINTFN(n, x) do { if (uplcomdebug > (n)) printf x; } while (0) 67 int uplcomdebug = 0; 68 #else 69 #define DPRINTFN(n, x) 70 #endif 71 #define DPRINTF(x) DPRINTFN(0, x) 72 73 #define UPLCOM_CONFIG_INDEX 0 74 #define UPLCOM_IFACE_INDEX 0 75 #define UPLCOM_SECOND_IFACE_INDEX 1 76 77 #define UPLCOM_SET_REQUEST 0x01 78 #define UPLCOM_SET_CRTSCTS 0x41 79 #define UPLCOM_HX_SET_CRTSCTS 0x61 80 #define RSAQ_STATUS_CTS 0x80 81 #define RSAQ_STATUS_DSR 0x02 82 #define RSAQ_STATUS_DCD 0x01 83 84 struct uplcom_softc { 85 struct device sc_dev; /* base device */ 86 usbd_device_handle sc_udev; /* USB device */ 87 usbd_interface_handle sc_iface; /* interface */ 88 int sc_iface_number; /* interface number */ 89 90 usbd_interface_handle sc_intr_iface; /* interrupt interface */ 91 int sc_intr_number; /* interrupt number */ 92 usbd_pipe_handle sc_intr_pipe; /* interrupt pipe */ 93 u_char *sc_intr_buf; /* interrupt buffer */ 94 int sc_isize; 95 96 usb_cdc_line_state_t sc_line_state; /* current line state */ 97 int sc_dtr; /* current DTR state */ 98 int sc_rts; /* current RTS state */ 99 100 struct device *sc_subdev; /* ucom device */ 101 102 u_char sc_dying; /* disconnecting */ 103 104 u_char sc_lsr; /* Local status register */ 105 u_char sc_msr; /* uplcom status register */ 106 int sc_type_hx; /* HX variant */ 107 }; 108 109 /* 110 * These are the maximum number of bytes transferred per frame. 111 * The output buffer size cannot be increased due to the size encoding. 112 */ 113 #define UPLCOMIBUFSIZE 256 114 #define UPLCOMOBUFSIZE 256 115 116 usbd_status uplcom_reset(struct uplcom_softc *); 117 usbd_status uplcom_set_line_coding(struct uplcom_softc *sc, 118 usb_cdc_line_state_t *state); 119 usbd_status uplcom_set_crtscts(struct uplcom_softc *); 120 void uplcom_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 121 122 void uplcom_set(void *, int, int, int); 123 void uplcom_dtr(struct uplcom_softc *, int); 124 void uplcom_rts(struct uplcom_softc *, int); 125 void uplcom_break(struct uplcom_softc *, int); 126 void uplcom_set_line_state(struct uplcom_softc *); 127 void uplcom_get_status(void *, int portno, u_char *lsr, u_char *msr); 128 #if TODO 129 int uplcom_ioctl(void *, int, u_long, caddr_t, int, struct proc *); 130 #endif 131 int uplcom_param(void *, int, struct termios *); 132 int uplcom_open(void *, int); 133 void uplcom_close(void *, int); 134 135 struct ucom_methods uplcom_methods = { 136 uplcom_get_status, 137 uplcom_set, 138 uplcom_param, 139 NULL, /* uplcom_ioctl, TODO */ 140 uplcom_open, 141 uplcom_close, 142 NULL, 143 NULL, 144 }; 145 146 static const struct usb_devno uplcom_devs[] = { 147 { USB_VENDOR_ALCATEL, USB_PRODUCT_ALCATEL_OT535 }, 148 { USB_VENDOR_ANCHOR, USB_PRODUCT_ANCHOR_SERIAL }, 149 { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC232A }, 150 { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U257 }, 151 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT }, 152 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT0 }, 153 { USB_VENDOR_HAL, USB_PRODUCT_HAL_IMR001 }, 154 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ }, 155 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ5 }, 156 { USB_VENDOR_LEADTEK, USB_PRODUCT_LEADTEK_9531 }, 157 { USB_VENDOR_MICROSOFT, USB_PRODUCT_MICROSOFT_700WX }, 158 { USB_VENDOR_MOBILEACTION, USB_PRODUCT_MOBILEACTION_MA620 }, 159 { USB_VENDOR_NOKIA, USB_PRODUCT_NOKIA_CA42 }, 160 { USB_VENDOR_OTI, USB_PRODUCT_OTI_DKU5 }, 161 { USB_VENDOR_PLX, USB_PRODUCT_PLX_CA42 }, 162 { USB_VENDOR_PANASONIC, USB_PRODUCT_PANASONIC_TYTP50P6S }, 163 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303 }, 164 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303X }, 165 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303X2 }, 166 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ2 }, 167 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303BENQ }, 168 { USB_VENDOR_PROLIFIC2, USB_PRODUCT_PROLIFIC2_PL2303 }, 169 { USB_VENDOR_RADIOSHACK, USB_PRODUCT_RADIOSHACK_PL2303 }, 170 { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60 }, 171 { USB_VENDOR_SAGEM, USB_PRODUCT_SAGEM_SERIAL }, 172 { USB_VENDOR_SAMSUNG2, USB_PRODUCT_SAMSUNG2_I330 }, 173 { USB_VENDOR_SIEMENS3, USB_PRODUCT_SIEMENS3_SX1 }, 174 { USB_VENDOR_SIEMENS3, USB_PRODUCT_SIEMENS3_X65 }, 175 { USB_VENDOR_SIEMENS3, USB_PRODUCT_SIEMENS3_X75 }, 176 { USB_VENDOR_SITECOM, USB_PRODUCT_SITECOM_CN104 }, 177 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8 }, 178 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8_CHG }, 179 { USB_VENDOR_SPEEDDRAGON, USB_PRODUCT_SPEEDDRAGON_MS3303H }, 180 { USB_VENDOR_SUSTEEN, USB_PRODUCT_SUSTEEN_DCU11 }, 181 { USB_VENDOR_SYNTECH, USB_PRODUCT_SYNTECH_SERIAL }, 182 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UHA6400 }, 183 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UPA9664 }, 184 { USB_VENDOR_TRIPPLITE, USB_PRODUCT_TRIPPLITE_U209 }, 185 { USB_VENDOR_SMART, USB_PRODUCT_SMART_PL2303 }, 186 { USB_VENDOR_YCCABLE, USB_PRODUCT_YCCABLE_PL2303 } 187 }; 188 #define uplcom_lookup(v, p) usb_lookup(uplcom_devs, v, p) 189 190 int uplcom_match(struct device *, void *, void *); 191 void uplcom_attach(struct device *, struct device *, void *); 192 int uplcom_detach(struct device *, int); 193 int uplcom_activate(struct device *, int); 194 195 struct cfdriver uplcom_cd = { 196 NULL, "uplcom", DV_DULL 197 }; 198 199 const struct cfattach uplcom_ca = { 200 sizeof(struct uplcom_softc), 201 uplcom_match, 202 uplcom_attach, 203 uplcom_detach, 204 uplcom_activate, 205 }; 206 207 int 208 uplcom_match(struct device *parent, void *match, void *aux) 209 { 210 struct usb_attach_arg *uaa = aux; 211 212 if (uaa->iface != NULL) 213 return (UMATCH_NONE); 214 215 return (uplcom_lookup(uaa->vendor, uaa->product) != NULL ? 216 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 217 } 218 219 void 220 uplcom_attach(struct device *parent, struct device *self, void *aux) 221 { 222 struct uplcom_softc *sc = (struct uplcom_softc *)self; 223 struct usb_attach_arg *uaa = aux; 224 usbd_device_handle dev = uaa->device; 225 usb_config_descriptor_t *cdesc; 226 usb_device_descriptor_t *ddesc; 227 usb_interface_descriptor_t *id; 228 usb_endpoint_descriptor_t *ed; 229 char *devname = sc->sc_dev.dv_xname; 230 usbd_status err; 231 int i; 232 struct ucom_attach_args uca; 233 234 sc->sc_udev = dev; 235 236 DPRINTF(("\n\nuplcom attach: sc=%p\n", sc)); 237 238 /* initialize endpoints */ 239 uca.bulkin = uca.bulkout = -1; 240 sc->sc_intr_number = -1; 241 sc->sc_intr_pipe = NULL; 242 243 /* Move the device into the configured state. */ 244 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); 245 if (err) { 246 printf("%s: failed to set configuration, err=%s\n", 247 devname, usbd_errstr(err)); 248 sc->sc_dying = 1; 249 return; 250 } 251 252 /* get the config descriptor */ 253 cdesc = usbd_get_config_descriptor(sc->sc_udev); 254 255 if (cdesc == NULL) { 256 printf("%s: failed to get configuration descriptor\n", 257 sc->sc_dev.dv_xname); 258 sc->sc_dying = 1; 259 return; 260 } 261 262 /* get the device descriptor */ 263 ddesc = usbd_get_device_descriptor(sc->sc_udev); 264 if (ddesc == NULL) { 265 printf("%s: failed to get device descriptor\n", 266 sc->sc_dev.dv_xname); 267 sc->sc_dying = 1; 268 return; 269 } 270 271 /* 272 * The Linux driver suggest this will only be true for the HX 273 * variants. The datasheets disagree. 274 */ 275 if (ddesc->bDeviceClass == 0x02) 276 sc->sc_type_hx = 0; 277 else if (ddesc->bMaxPacketSize == 0x40) 278 sc->sc_type_hx = 1; 279 else 280 sc->sc_type_hx = 0; 281 282 #ifdef USB_DEBUG 283 /* print the chip type */ 284 if (sc->sc_type_hx) { 285 DPRINTF(("uplcom_attach: chiptype 2303X\n")); 286 } else { 287 DPRINTF(("uplcom_attach: chiptype 2303\n")); 288 } 289 #endif 290 /* get the (first/common) interface */ 291 err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX, 292 &sc->sc_iface); 293 if (err) { 294 printf("\n%s: failed to get interface, err=%s\n", 295 devname, usbd_errstr(err)); 296 sc->sc_dying = 1; 297 return; 298 } 299 300 /* Find the interrupt endpoints */ 301 302 id = usbd_get_interface_descriptor(sc->sc_iface); 303 sc->sc_iface_number = id->bInterfaceNumber; 304 305 for (i = 0; i < id->bNumEndpoints; i++) { 306 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 307 if (ed == NULL) { 308 printf("%s: no endpoint descriptor for %d\n", 309 sc->sc_dev.dv_xname, i); 310 sc->sc_dying = 1; 311 return; 312 } 313 314 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 315 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 316 sc->sc_intr_number = ed->bEndpointAddress; 317 sc->sc_isize = UGETW(ed->wMaxPacketSize); 318 } 319 } 320 321 if (sc->sc_intr_number== -1) { 322 printf("%s: Could not find interrupt in\n", 323 sc->sc_dev.dv_xname); 324 sc->sc_dying = 1; 325 return; 326 } 327 328 /* keep interface for interrupt */ 329 sc->sc_intr_iface = sc->sc_iface; 330 331 /* 332 * USB-RSAQ1 has two interface 333 * 334 * USB-RSAQ1 | USB-RSAQ2 335 * -----------------+----------------- 336 * Interface 0 |Interface 0 337 * Interrupt(0x81) | Interrupt(0x81) 338 * -----------------+ BulkIN(0x02) 339 * Interface 1 | BulkOUT(0x83) 340 * BulkIN(0x02) | 341 * BulkOUT(0x83) | 342 */ 343 if (cdesc->bNumInterface == 2) { 344 err = usbd_device2interface_handle(dev, 345 UPLCOM_SECOND_IFACE_INDEX, &sc->sc_iface); 346 if (err) { 347 printf("\n%s: failed to get second interface, err=%s\n", 348 devname, usbd_errstr(err)); 349 sc->sc_dying = 1; 350 return; 351 } 352 } 353 354 /* Find the bulk{in,out} endpoints */ 355 356 id = usbd_get_interface_descriptor(sc->sc_iface); 357 sc->sc_iface_number = id->bInterfaceNumber; 358 359 for (i = 0; i < id->bNumEndpoints; i++) { 360 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 361 if (ed == NULL) { 362 printf("%s: no endpoint descriptor for %d\n", 363 sc->sc_dev.dv_xname, i); 364 sc->sc_dying = 1; 365 return; 366 } 367 368 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 369 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 370 uca.bulkin = ed->bEndpointAddress; 371 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 372 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 373 uca.bulkout = ed->bEndpointAddress; 374 } 375 } 376 377 if (uca.bulkin == -1) { 378 printf("%s: Could not find data bulk in\n", 379 sc->sc_dev.dv_xname); 380 sc->sc_dying = 1; 381 return; 382 } 383 384 if (uca.bulkout == -1) { 385 printf("%s: Could not find data bulk out\n", 386 sc->sc_dev.dv_xname); 387 sc->sc_dying = 1; 388 return; 389 } 390 391 sc->sc_dtr = sc->sc_rts = -1; 392 uca.portno = UCOM_UNK_PORTNO; 393 /* bulkin, bulkout set above */ 394 uca.ibufsize = UPLCOMIBUFSIZE; 395 uca.obufsize = UPLCOMOBUFSIZE; 396 uca.ibufsizepad = UPLCOMIBUFSIZE; 397 uca.opkthdrlen = 0; 398 uca.device = dev; 399 uca.iface = sc->sc_iface; 400 uca.methods = &uplcom_methods; 401 uca.arg = sc; 402 uca.info = NULL; 403 404 err = uplcom_reset(sc); 405 406 if (err) { 407 printf("%s: reset failed, %s\n", sc->sc_dev.dv_xname, 408 usbd_errstr(err)); 409 sc->sc_dying = 1; 410 return; 411 } 412 413 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 414 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 415 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); 416 } 417 418 int 419 uplcom_detach(struct device *self, int flags) 420 { 421 struct uplcom_softc *sc = (struct uplcom_softc *)self; 422 int rv = 0; 423 424 DPRINTF(("uplcom_detach: sc=%p flags=%d\n", sc, flags)); 425 426 if (sc->sc_intr_pipe != NULL) { 427 usbd_abort_pipe(sc->sc_intr_pipe); 428 usbd_close_pipe(sc->sc_intr_pipe); 429 free(sc->sc_intr_buf, M_USBDEV); 430 sc->sc_intr_pipe = NULL; 431 } 432 433 if (sc->sc_subdev != NULL) { 434 rv = config_detach(sc->sc_subdev, flags); 435 sc->sc_subdev = NULL; 436 } 437 438 return (rv); 439 } 440 441 int 442 uplcom_activate(struct device *self, int act) 443 { 444 struct uplcom_softc *sc = (struct uplcom_softc *)self; 445 int rv = 0; 446 447 switch (act) { 448 case DVACT_DEACTIVATE: 449 if (sc->sc_subdev != NULL) 450 rv = config_deactivate(sc->sc_subdev); 451 sc->sc_dying = 1; 452 break; 453 } 454 return (rv); 455 } 456 457 usbd_status 458 uplcom_reset(struct uplcom_softc *sc) 459 { 460 usb_device_request_t req; 461 usbd_status err; 462 463 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 464 req.bRequest = UPLCOM_SET_REQUEST; 465 USETW(req.wValue, 0); 466 USETW(req.wIndex, sc->sc_iface_number); 467 USETW(req.wLength, 0); 468 469 err = usbd_do_request(sc->sc_udev, &req, 0); 470 if (err) 471 return (EIO); 472 473 return (0); 474 } 475 476 void 477 uplcom_set_line_state(struct uplcom_softc *sc) 478 { 479 usb_device_request_t req; 480 int ls; 481 482 /* Make sure we have initialized state for sc_dtr and sc_rts */ 483 if (sc->sc_dtr == -1) 484 sc->sc_dtr = 0; 485 if (sc->sc_rts == -1) 486 sc->sc_rts = 0; 487 488 ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) | 489 (sc->sc_rts ? UCDC_LINE_RTS : 0); 490 491 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 492 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 493 USETW(req.wValue, ls); 494 USETW(req.wIndex, sc->sc_iface_number); 495 USETW(req.wLength, 0); 496 497 (void)usbd_do_request(sc->sc_udev, &req, 0); 498 499 } 500 501 void 502 uplcom_set(void *addr, int portno, int reg, int onoff) 503 { 504 struct uplcom_softc *sc = addr; 505 506 switch (reg) { 507 case UCOM_SET_DTR: 508 uplcom_dtr(sc, onoff); 509 break; 510 case UCOM_SET_RTS: 511 uplcom_rts(sc, onoff); 512 break; 513 case UCOM_SET_BREAK: 514 uplcom_break(sc, onoff); 515 break; 516 default: 517 break; 518 } 519 } 520 521 void 522 uplcom_dtr(struct uplcom_softc *sc, int onoff) 523 { 524 525 DPRINTF(("uplcom_dtr: onoff=%d\n", onoff)); 526 527 if (sc->sc_dtr != -1 && !sc->sc_dtr == !onoff) 528 return; 529 530 sc->sc_dtr = !!onoff; 531 532 uplcom_set_line_state(sc); 533 } 534 535 void 536 uplcom_rts(struct uplcom_softc *sc, int onoff) 537 { 538 DPRINTF(("uplcom_rts: onoff=%d\n", onoff)); 539 540 if (sc->sc_rts == -1 && !sc->sc_rts == !onoff) 541 return; 542 543 sc->sc_rts = !!onoff; 544 545 uplcom_set_line_state(sc); 546 } 547 548 void 549 uplcom_break(struct uplcom_softc *sc, int onoff) 550 { 551 usb_device_request_t req; 552 553 DPRINTF(("uplcom_break: onoff=%d\n", onoff)); 554 555 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 556 req.bRequest = UCDC_SEND_BREAK; 557 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 558 USETW(req.wIndex, sc->sc_iface_number); 559 USETW(req.wLength, 0); 560 561 (void)usbd_do_request(sc->sc_udev, &req, 0); 562 } 563 564 usbd_status 565 uplcom_set_crtscts(struct uplcom_softc *sc) 566 { 567 usb_device_request_t req; 568 usbd_status err; 569 570 DPRINTF(("uplcom_set_crtscts: on\n")); 571 572 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 573 req.bRequest = UPLCOM_SET_REQUEST; 574 USETW(req.wValue, 0); 575 USETW(req.wIndex, 576 (sc->sc_type_hx ? UPLCOM_HX_SET_CRTSCTS : UPLCOM_SET_CRTSCTS)); 577 USETW(req.wLength, 0); 578 579 err = usbd_do_request(sc->sc_udev, &req, 0); 580 if (err) { 581 DPRINTF(("uplcom_set_crtscts: failed, err=%s\n", 582 usbd_errstr(err))); 583 return (err); 584 } 585 586 return (USBD_NORMAL_COMPLETION); 587 } 588 589 usbd_status 590 uplcom_set_line_coding(struct uplcom_softc *sc, usb_cdc_line_state_t *state) 591 { 592 usb_device_request_t req; 593 usbd_status err; 594 595 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n", 596 UGETDW(state->dwDTERate), state->bCharFormat, 597 state->bParityType, state->bDataBits)); 598 599 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { 600 DPRINTF(("uplcom_set_line_coding: already set\n")); 601 return (USBD_NORMAL_COMPLETION); 602 } 603 604 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 605 req.bRequest = UCDC_SET_LINE_CODING; 606 USETW(req.wValue, 0); 607 USETW(req.wIndex, sc->sc_iface_number); 608 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 609 610 err = usbd_do_request(sc->sc_udev, &req, state); 611 if (err) { 612 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n", 613 usbd_errstr(err))); 614 return (err); 615 } 616 617 sc->sc_line_state = *state; 618 619 return (USBD_NORMAL_COMPLETION); 620 } 621 622 int 623 uplcom_param(void *addr, int portno, struct termios *t) 624 { 625 struct uplcom_softc *sc = addr; 626 usbd_status err; 627 usb_cdc_line_state_t ls; 628 629 DPRINTF(("uplcom_param: sc=%p\n", sc)); 630 631 USETDW(ls.dwDTERate, t->c_ospeed); 632 if (ISSET(t->c_cflag, CSTOPB)) 633 ls.bCharFormat = UCDC_STOP_BIT_2; 634 else 635 ls.bCharFormat = UCDC_STOP_BIT_1; 636 if (ISSET(t->c_cflag, PARENB)) { 637 if (ISSET(t->c_cflag, PARODD)) 638 ls.bParityType = UCDC_PARITY_ODD; 639 else 640 ls.bParityType = UCDC_PARITY_EVEN; 641 } else 642 ls.bParityType = UCDC_PARITY_NONE; 643 switch (ISSET(t->c_cflag, CSIZE)) { 644 case CS5: 645 ls.bDataBits = 5; 646 break; 647 case CS6: 648 ls.bDataBits = 6; 649 break; 650 case CS7: 651 ls.bDataBits = 7; 652 break; 653 case CS8: 654 ls.bDataBits = 8; 655 break; 656 } 657 658 err = uplcom_set_line_coding(sc, &ls); 659 if (err) { 660 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 661 return (EIO); 662 } 663 664 if (ISSET(t->c_cflag, CRTSCTS)) 665 uplcom_set_crtscts(sc); 666 667 if (sc->sc_rts == -1 || sc->sc_dtr == -1) 668 uplcom_set_line_state(sc); 669 670 if (err) { 671 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 672 return (EIO); 673 } 674 675 return (0); 676 } 677 678 int 679 uplcom_open(void *addr, int portno) 680 { 681 struct uplcom_softc *sc = addr; 682 usb_device_request_t req; 683 usbd_status uerr; 684 int err; 685 686 if (sc->sc_dying) 687 return (EIO); 688 689 DPRINTF(("uplcom_open: sc=%p\n", sc)); 690 691 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 692 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 693 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, 694 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, 695 sc->sc_intr_buf, sc->sc_isize, 696 uplcom_intr, USBD_DEFAULT_INTERVAL); 697 if (err) { 698 DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n", 699 sc->sc_dev.dv_xname, sc->sc_intr_number)); 700 return (EIO); 701 } 702 } 703 704 if (sc->sc_type_hx == 1) { 705 /* 706 * Undocumented (vendor unresponsive) - possibly changes 707 * flow control semantics. It is needed for HX variant devices. 708 */ 709 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 710 req.bRequest = UPLCOM_SET_REQUEST; 711 USETW(req.wValue, 2); 712 USETW(req.wIndex, 0x44); 713 USETW(req.wLength, 0); 714 715 uerr = usbd_do_request(sc->sc_udev, &req, 0); 716 if (uerr) 717 return (EIO); 718 719 /* Reset upstream data pipes */ 720 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 721 req.bRequest = UPLCOM_SET_REQUEST; 722 USETW(req.wValue, 8); 723 USETW(req.wIndex, 0); 724 USETW(req.wLength, 0); 725 726 uerr = usbd_do_request(sc->sc_udev, &req, 0); 727 if (uerr) 728 return (EIO); 729 730 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 731 req.bRequest = UPLCOM_SET_REQUEST; 732 USETW(req.wValue, 9); 733 USETW(req.wIndex, 0); 734 USETW(req.wLength, 0); 735 736 uerr = usbd_do_request(sc->sc_udev, &req, 0); 737 if (uerr) 738 return (EIO); 739 } 740 741 return (0); 742 } 743 744 void 745 uplcom_close(void *addr, int portno) 746 { 747 struct uplcom_softc *sc = addr; 748 int err; 749 750 if (sc->sc_dying) 751 return; 752 753 DPRINTF(("uplcom_close: close\n")); 754 755 if (sc->sc_intr_pipe != NULL) { 756 err = usbd_abort_pipe(sc->sc_intr_pipe); 757 if (err) 758 printf("%s: abort interrupt pipe failed: %s\n", 759 sc->sc_dev.dv_xname, usbd_errstr(err)); 760 err = usbd_close_pipe(sc->sc_intr_pipe); 761 if (err) 762 printf("%s: close interrupt pipe failed: %s\n", 763 sc->sc_dev.dv_xname, usbd_errstr(err)); 764 free(sc->sc_intr_buf, M_USBDEV); 765 sc->sc_intr_pipe = NULL; 766 } 767 } 768 769 void 770 uplcom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 771 { 772 struct uplcom_softc *sc = priv; 773 u_char *buf = sc->sc_intr_buf; 774 u_char pstatus; 775 776 if (sc->sc_dying) 777 return; 778 779 if (status != USBD_NORMAL_COMPLETION) { 780 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 781 return; 782 783 DPRINTF(("%s: abnormal status: %s\n", sc->sc_dev.dv_xname, 784 usbd_errstr(status))); 785 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 786 return; 787 } 788 789 DPRINTF(("%s: uplcom status = %02x\n", sc->sc_dev.dv_xname, buf[8])); 790 791 sc->sc_lsr = sc->sc_msr = 0; 792 pstatus = buf[8]; 793 if (ISSET(pstatus, RSAQ_STATUS_CTS)) 794 sc->sc_msr |= UMSR_CTS; 795 else 796 sc->sc_msr &= ~UMSR_CTS; 797 if (ISSET(pstatus, RSAQ_STATUS_DSR)) 798 sc->sc_msr |= UMSR_DSR; 799 else 800 sc->sc_msr &= ~UMSR_DSR; 801 if (ISSET(pstatus, RSAQ_STATUS_DCD)) 802 sc->sc_msr |= UMSR_DCD; 803 else 804 sc->sc_msr &= ~UMSR_DCD; 805 ucom_status_change((struct ucom_softc *) sc->sc_subdev); 806 } 807 808 void 809 uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 810 { 811 struct uplcom_softc *sc = addr; 812 813 DPRINTF(("uplcom_get_status:\n")); 814 815 if (lsr != NULL) 816 *lsr = sc->sc_lsr; 817 if (msr != NULL) 818 *msr = sc->sc_msr; 819 } 820 821 #if TODO 822 int 823 uplcom_ioctl(void *addr, int portno, u_long cmd, caddr_t data, int flag, 824 struct proc *p) 825 { 826 struct uplcom_softc *sc = addr; 827 int error = 0; 828 829 if (sc->sc_dying) 830 return (EIO); 831 832 DPRINTF(("uplcom_ioctl: cmd=0x%08lx\n", cmd)); 833 834 switch (cmd) { 835 case TIOCNOTTY: 836 case TIOCMGET: 837 case TIOCMSET: 838 case USB_GET_CM_OVER_DATA: 839 case USB_SET_CM_OVER_DATA: 840 break; 841 842 default: 843 DPRINTF(("uplcom_ioctl: unknown\n")); 844 error = ENOTTY; 845 break; 846 } 847 848 return (error); 849 } 850 #endif 851