1 /* $OpenBSD: uplcom.c,v 1.64 2014/07/12 21:24:33 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 #include <dev/usb/usb_quirks.h> 59 60 #include <dev/usb/usbdevs.h> 61 #include <dev/usb/ucomvar.h> 62 63 #ifdef UPLCOM_DEBUG 64 #define DPRINTFN(n, x) do { if (uplcomdebug > (n)) printf x; } while (0) 65 int uplcomdebug = 0; 66 #else 67 #define DPRINTFN(n, x) 68 #endif 69 #define DPRINTF(x) DPRINTFN(0, x) 70 71 #define UPLCOM_CONFIG_INDEX 0 72 #define UPLCOM_IFACE_INDEX 0 73 #define UPLCOM_SECOND_IFACE_INDEX 1 74 75 #define UPLCOM_SET_REQUEST 0x01 76 #define UPLCOM_SET_CRTSCTS 0x41 77 #define UPLCOM_HX_SET_CRTSCTS 0x61 78 #define RSAQ_STATUS_CTS 0x80 79 #define RSAQ_STATUS_DSR 0x02 80 #define RSAQ_STATUS_DCD 0x01 81 82 struct uplcom_softc { 83 struct device sc_dev; /* base device */ 84 struct usbd_device *sc_udev; /* USB device */ 85 struct usbd_interface *sc_iface; /* interface */ 86 int sc_iface_number; /* interface number */ 87 88 struct usbd_interface *sc_intr_iface; /* interrupt interface */ 89 int sc_intr_number; /* interrupt number */ 90 struct usbd_pipe *sc_intr_pipe; /* interrupt pipe */ 91 u_char *sc_intr_buf; /* interrupt buffer */ 92 int sc_isize; 93 94 struct usb_cdc_line_state sc_line_state;/* current line state */ 95 int sc_dtr; /* current DTR state */ 96 int sc_rts; /* current RTS state */ 97 98 struct device *sc_subdev; /* ucom device */ 99 100 u_char sc_lsr; /* Local status register */ 101 u_char sc_msr; /* uplcom status register */ 102 int sc_type_hx; /* HX variant */ 103 }; 104 105 /* 106 * These are the maximum number of bytes transferred per frame. 107 * The output buffer size cannot be increased due to the size encoding. 108 */ 109 #define UPLCOMIBUFSIZE 256 110 #define UPLCOMOBUFSIZE 256 111 112 usbd_status uplcom_reset(struct uplcom_softc *); 113 usbd_status uplcom_set_line_coding(struct uplcom_softc *sc, 114 struct usb_cdc_line_state *state); 115 usbd_status uplcom_set_crtscts(struct uplcom_softc *); 116 void uplcom_intr(struct usbd_xfer *, void *, usbd_status); 117 118 void uplcom_set(void *, int, int, int); 119 void uplcom_dtr(struct uplcom_softc *, int); 120 void uplcom_rts(struct uplcom_softc *, int); 121 void uplcom_break(struct uplcom_softc *, int); 122 void uplcom_set_line_state(struct uplcom_softc *); 123 void uplcom_get_status(void *, int portno, u_char *lsr, u_char *msr); 124 #if TODO 125 int uplcom_ioctl(void *, int, u_long, caddr_t, int, struct proc *); 126 #endif 127 int uplcom_param(void *, int, struct termios *); 128 int uplcom_open(void *, int); 129 void uplcom_close(void *, int); 130 131 struct ucom_methods uplcom_methods = { 132 uplcom_get_status, 133 uplcom_set, 134 uplcom_param, 135 NULL, /* uplcom_ioctl, TODO */ 136 uplcom_open, 137 uplcom_close, 138 NULL, 139 NULL, 140 }; 141 142 static const struct usb_devno uplcom_devs[] = { 143 { USB_VENDOR_ALCATEL, USB_PRODUCT_ALCATEL_OT535 }, 144 { USB_VENDOR_ANCHOR, USB_PRODUCT_ANCHOR_SERIAL }, 145 { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC232A }, 146 { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U257 }, 147 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT }, 148 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT0 }, 149 { USB_VENDOR_HAL, USB_PRODUCT_HAL_IMR001 }, 150 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ }, 151 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ5 }, 152 { USB_VENDOR_LEADTEK, USB_PRODUCT_LEADTEK_9531 }, 153 { USB_VENDOR_MICROSOFT, USB_PRODUCT_MICROSOFT_700WX }, 154 { USB_VENDOR_MOBILEACTION, USB_PRODUCT_MOBILEACTION_MA620 }, 155 { USB_VENDOR_NOKIA, USB_PRODUCT_NOKIA_CA42 }, 156 { USB_VENDOR_OTI, USB_PRODUCT_OTI_DKU5 }, 157 { USB_VENDOR_PLX, USB_PRODUCT_PLX_CA42 }, 158 { USB_VENDOR_PANASONIC, USB_PRODUCT_PANASONIC_TYTP50P6S }, 159 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303 }, 160 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303X }, 161 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303X2 }, 162 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ2 }, 163 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303BENQ }, 164 { USB_VENDOR_PROLIFIC2, USB_PRODUCT_PROLIFIC2_PL2303 }, 165 { USB_VENDOR_RADIOSHACK, USB_PRODUCT_RADIOSHACK_PL2303 }, 166 { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60 }, 167 { USB_VENDOR_SAGEM, USB_PRODUCT_SAGEM_SERIAL }, 168 { USB_VENDOR_SAMSUNG2, USB_PRODUCT_SAMSUNG2_I330 }, 169 { USB_VENDOR_SIEMENS3, USB_PRODUCT_SIEMENS3_SX1 }, 170 { USB_VENDOR_SIEMENS3, USB_PRODUCT_SIEMENS3_X65 }, 171 { USB_VENDOR_SIEMENS3, USB_PRODUCT_SIEMENS3_X75 }, 172 { USB_VENDOR_SITECOM, USB_PRODUCT_SITECOM_CN104 }, 173 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8 }, 174 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8_CHG }, 175 { USB_VENDOR_SPEEDDRAGON, USB_PRODUCT_SPEEDDRAGON_MS3303H }, 176 { USB_VENDOR_SUSTEEN, USB_PRODUCT_SUSTEEN_DCU11 }, 177 { USB_VENDOR_SYNTECH, USB_PRODUCT_SYNTECH_SERIAL }, 178 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UHA6400 }, 179 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UPA9664 }, 180 { USB_VENDOR_TRIPPLITE, USB_PRODUCT_TRIPPLITE_U209 }, 181 { USB_VENDOR_SMART, USB_PRODUCT_SMART_PL2303 }, 182 { USB_VENDOR_YCCABLE, USB_PRODUCT_YCCABLE_PL2303 } 183 }; 184 #define uplcom_lookup(v, p) usb_lookup(uplcom_devs, v, p) 185 186 int uplcom_match(struct device *, void *, void *); 187 void uplcom_attach(struct device *, struct device *, void *); 188 int uplcom_detach(struct device *, int); 189 190 struct cfdriver uplcom_cd = { 191 NULL, "uplcom", DV_DULL 192 }; 193 194 const struct cfattach uplcom_ca = { 195 sizeof(struct uplcom_softc), uplcom_match, uplcom_attach, uplcom_detach 196 }; 197 198 int 199 uplcom_match(struct device *parent, void *match, void *aux) 200 { 201 struct usb_attach_arg *uaa = aux; 202 203 if (uaa->iface != NULL) 204 return (UMATCH_NONE); 205 206 return (uplcom_lookup(uaa->vendor, uaa->product) != NULL ? 207 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 208 } 209 210 void 211 uplcom_attach(struct device *parent, struct device *self, void *aux) 212 { 213 struct uplcom_softc *sc = (struct uplcom_softc *)self; 214 struct usb_attach_arg *uaa = aux; 215 struct usbd_device *dev = uaa->device; 216 usb_config_descriptor_t *cdesc; 217 usb_device_descriptor_t *ddesc; 218 usb_interface_descriptor_t *id; 219 usb_endpoint_descriptor_t *ed; 220 char *devname = sc->sc_dev.dv_xname; 221 usbd_status err; 222 int i; 223 struct ucom_attach_args uca; 224 225 sc->sc_udev = dev; 226 227 DPRINTF(("\n\nuplcom attach: sc=%p\n", sc)); 228 229 /* initialize endpoints */ 230 uca.bulkin = uca.bulkout = -1; 231 sc->sc_intr_number = -1; 232 sc->sc_intr_pipe = NULL; 233 234 /* Move the device into the configured state. */ 235 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); 236 if (err) { 237 printf("%s: failed to set configuration, err=%s\n", 238 devname, usbd_errstr(err)); 239 usbd_deactivate(sc->sc_udev); 240 return; 241 } 242 243 /* get the config descriptor */ 244 cdesc = usbd_get_config_descriptor(sc->sc_udev); 245 246 if (cdesc == NULL) { 247 printf("%s: failed to get configuration descriptor\n", 248 sc->sc_dev.dv_xname); 249 usbd_deactivate(sc->sc_udev); 250 return; 251 } 252 253 /* get the device descriptor */ 254 ddesc = usbd_get_device_descriptor(sc->sc_udev); 255 if (ddesc == NULL) { 256 printf("%s: failed to get device descriptor\n", 257 sc->sc_dev.dv_xname); 258 usbd_deactivate(sc->sc_udev); 259 return; 260 } 261 262 /* 263 * The Linux driver suggest this will only be true for the HX 264 * variants. The datasheets disagree. 265 */ 266 if (ddesc->bDeviceClass == 0x02) 267 sc->sc_type_hx = 0; 268 else if (ddesc->bMaxPacketSize == 0x40) 269 sc->sc_type_hx = 1; 270 else 271 sc->sc_type_hx = 0; 272 273 #ifdef USB_DEBUG 274 /* print the chip type */ 275 if (sc->sc_type_hx) { 276 DPRINTF(("uplcom_attach: chiptype 2303X\n")); 277 } else { 278 DPRINTF(("uplcom_attach: chiptype 2303\n")); 279 } 280 #endif 281 /* get the (first/common) interface */ 282 err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX, 283 &sc->sc_iface); 284 if (err) { 285 printf("\n%s: failed to get interface, err=%s\n", 286 devname, usbd_errstr(err)); 287 usbd_deactivate(sc->sc_udev); 288 return; 289 } 290 291 /* Find the interrupt endpoints */ 292 293 id = usbd_get_interface_descriptor(sc->sc_iface); 294 sc->sc_iface_number = id->bInterfaceNumber; 295 296 for (i = 0; i < id->bNumEndpoints; i++) { 297 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 298 if (ed == NULL) { 299 printf("%s: no endpoint descriptor for %d\n", 300 sc->sc_dev.dv_xname, i); 301 usbd_deactivate(sc->sc_udev); 302 return; 303 } 304 305 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 306 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 307 sc->sc_intr_number = ed->bEndpointAddress; 308 sc->sc_isize = UGETW(ed->wMaxPacketSize); 309 } 310 } 311 312 if (sc->sc_intr_number== -1) { 313 printf("%s: Could not find interrupt in\n", 314 sc->sc_dev.dv_xname); 315 usbd_deactivate(sc->sc_udev); 316 return; 317 } 318 319 /* keep interface for interrupt */ 320 sc->sc_intr_iface = sc->sc_iface; 321 322 /* 323 * USB-RSAQ1 has two interface 324 * 325 * USB-RSAQ1 | USB-RSAQ2 326 * -----------------+----------------- 327 * Interface 0 |Interface 0 328 * Interrupt(0x81) | Interrupt(0x81) 329 * -----------------+ BulkIN(0x02) 330 * Interface 1 | BulkOUT(0x83) 331 * BulkIN(0x02) | 332 * BulkOUT(0x83) | 333 */ 334 if (cdesc->bNumInterface == 2) { 335 err = usbd_device2interface_handle(dev, 336 UPLCOM_SECOND_IFACE_INDEX, &sc->sc_iface); 337 if (err) { 338 printf("\n%s: failed to get second interface, err=%s\n", 339 devname, usbd_errstr(err)); 340 usbd_deactivate(sc->sc_udev); 341 return; 342 } 343 } 344 345 /* Find the bulk{in,out} endpoints */ 346 347 id = usbd_get_interface_descriptor(sc->sc_iface); 348 sc->sc_iface_number = id->bInterfaceNumber; 349 350 for (i = 0; i < id->bNumEndpoints; i++) { 351 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 352 if (ed == NULL) { 353 printf("%s: no endpoint descriptor for %d\n", 354 sc->sc_dev.dv_xname, i); 355 usbd_deactivate(sc->sc_udev); 356 return; 357 } 358 359 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 360 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 361 uca.bulkin = ed->bEndpointAddress; 362 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 363 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 364 uca.bulkout = ed->bEndpointAddress; 365 } 366 } 367 368 if (uca.bulkin == -1) { 369 printf("%s: Could not find data bulk in\n", 370 sc->sc_dev.dv_xname); 371 usbd_deactivate(sc->sc_udev); 372 return; 373 } 374 375 if (uca.bulkout == -1) { 376 printf("%s: Could not find data bulk out\n", 377 sc->sc_dev.dv_xname); 378 usbd_deactivate(sc->sc_udev); 379 return; 380 } 381 382 sc->sc_dtr = sc->sc_rts = -1; 383 uca.portno = UCOM_UNK_PORTNO; 384 /* bulkin, bulkout set above */ 385 uca.ibufsize = UPLCOMIBUFSIZE; 386 uca.obufsize = UPLCOMOBUFSIZE; 387 uca.ibufsizepad = UPLCOMIBUFSIZE; 388 uca.opkthdrlen = 0; 389 uca.device = dev; 390 uca.iface = sc->sc_iface; 391 uca.methods = &uplcom_methods; 392 uca.arg = sc; 393 uca.info = NULL; 394 395 err = uplcom_reset(sc); 396 397 if (err) { 398 printf("%s: reset failed, %s\n", sc->sc_dev.dv_xname, 399 usbd_errstr(err)); 400 usbd_deactivate(sc->sc_udev); 401 return; 402 } 403 404 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 405 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 406 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); 407 } 408 409 int 410 uplcom_detach(struct device *self, int flags) 411 { 412 struct uplcom_softc *sc = (struct uplcom_softc *)self; 413 int rv = 0; 414 415 DPRINTF(("uplcom_detach: sc=%p flags=%d\n", sc, flags)); 416 417 if (sc->sc_intr_pipe != NULL) { 418 usbd_abort_pipe(sc->sc_intr_pipe); 419 usbd_close_pipe(sc->sc_intr_pipe); 420 free(sc->sc_intr_buf, M_USBDEV, 0); 421 sc->sc_intr_pipe = NULL; 422 } 423 424 if (sc->sc_subdev != NULL) { 425 rv = config_detach(sc->sc_subdev, flags); 426 sc->sc_subdev = NULL; 427 } 428 429 return (rv); 430 } 431 432 usbd_status 433 uplcom_reset(struct uplcom_softc *sc) 434 { 435 usb_device_request_t req; 436 usbd_status err; 437 438 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 439 req.bRequest = UPLCOM_SET_REQUEST; 440 USETW(req.wValue, 0); 441 USETW(req.wIndex, sc->sc_iface_number); 442 USETW(req.wLength, 0); 443 444 err = usbd_do_request(sc->sc_udev, &req, 0); 445 if (err) 446 return (EIO); 447 448 return (0); 449 } 450 451 void 452 uplcom_set_line_state(struct uplcom_softc *sc) 453 { 454 usb_device_request_t req; 455 int ls; 456 457 /* Make sure we have initialized state for sc_dtr and sc_rts */ 458 if (sc->sc_dtr == -1) 459 sc->sc_dtr = 0; 460 if (sc->sc_rts == -1) 461 sc->sc_rts = 0; 462 463 ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) | 464 (sc->sc_rts ? UCDC_LINE_RTS : 0); 465 466 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 467 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 468 USETW(req.wValue, ls); 469 USETW(req.wIndex, sc->sc_iface_number); 470 USETW(req.wLength, 0); 471 472 (void)usbd_do_request(sc->sc_udev, &req, 0); 473 474 } 475 476 void 477 uplcom_set(void *addr, int portno, int reg, int onoff) 478 { 479 struct uplcom_softc *sc = addr; 480 481 switch (reg) { 482 case UCOM_SET_DTR: 483 uplcom_dtr(sc, onoff); 484 break; 485 case UCOM_SET_RTS: 486 uplcom_rts(sc, onoff); 487 break; 488 case UCOM_SET_BREAK: 489 uplcom_break(sc, onoff); 490 break; 491 default: 492 break; 493 } 494 } 495 496 void 497 uplcom_dtr(struct uplcom_softc *sc, int onoff) 498 { 499 500 DPRINTF(("uplcom_dtr: onoff=%d\n", onoff)); 501 502 if (sc->sc_dtr != -1 && !sc->sc_dtr == !onoff) 503 return; 504 505 sc->sc_dtr = !!onoff; 506 507 uplcom_set_line_state(sc); 508 } 509 510 void 511 uplcom_rts(struct uplcom_softc *sc, int onoff) 512 { 513 DPRINTF(("uplcom_rts: onoff=%d\n", onoff)); 514 515 if (sc->sc_rts == -1 && !sc->sc_rts == !onoff) 516 return; 517 518 sc->sc_rts = !!onoff; 519 520 uplcom_set_line_state(sc); 521 } 522 523 void 524 uplcom_break(struct uplcom_softc *sc, int onoff) 525 { 526 usb_device_request_t req; 527 528 DPRINTF(("uplcom_break: onoff=%d\n", onoff)); 529 530 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 531 req.bRequest = UCDC_SEND_BREAK; 532 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 533 USETW(req.wIndex, sc->sc_iface_number); 534 USETW(req.wLength, 0); 535 536 (void)usbd_do_request(sc->sc_udev, &req, 0); 537 } 538 539 usbd_status 540 uplcom_set_crtscts(struct uplcom_softc *sc) 541 { 542 usb_device_request_t req; 543 usbd_status err; 544 545 DPRINTF(("uplcom_set_crtscts: on\n")); 546 547 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 548 req.bRequest = UPLCOM_SET_REQUEST; 549 USETW(req.wValue, 0); 550 USETW(req.wIndex, 551 (sc->sc_type_hx ? UPLCOM_HX_SET_CRTSCTS : UPLCOM_SET_CRTSCTS)); 552 USETW(req.wLength, 0); 553 554 err = usbd_do_request(sc->sc_udev, &req, 0); 555 if (err) { 556 DPRINTF(("uplcom_set_crtscts: failed, err=%s\n", 557 usbd_errstr(err))); 558 return (err); 559 } 560 561 return (USBD_NORMAL_COMPLETION); 562 } 563 564 usbd_status 565 uplcom_set_line_coding(struct uplcom_softc *sc, 566 struct usb_cdc_line_state *state) 567 { 568 usb_device_request_t req; 569 usbd_status err; 570 571 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n", 572 UGETDW(state->dwDTERate), state->bCharFormat, 573 state->bParityType, state->bDataBits)); 574 575 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { 576 DPRINTF(("uplcom_set_line_coding: already set\n")); 577 return (USBD_NORMAL_COMPLETION); 578 } 579 580 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 581 req.bRequest = UCDC_SET_LINE_CODING; 582 USETW(req.wValue, 0); 583 USETW(req.wIndex, sc->sc_iface_number); 584 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 585 586 err = usbd_do_request(sc->sc_udev, &req, state); 587 if (err) { 588 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n", 589 usbd_errstr(err))); 590 return (err); 591 } 592 593 sc->sc_line_state = *state; 594 595 return (USBD_NORMAL_COMPLETION); 596 } 597 598 int 599 uplcom_param(void *addr, int portno, struct termios *t) 600 { 601 struct uplcom_softc *sc = addr; 602 usbd_status err; 603 struct usb_cdc_line_state ls; 604 605 DPRINTF(("uplcom_param: sc=%p\n", sc)); 606 607 USETDW(ls.dwDTERate, t->c_ospeed); 608 if (ISSET(t->c_cflag, CSTOPB)) 609 ls.bCharFormat = UCDC_STOP_BIT_2; 610 else 611 ls.bCharFormat = UCDC_STOP_BIT_1; 612 if (ISSET(t->c_cflag, PARENB)) { 613 if (ISSET(t->c_cflag, PARODD)) 614 ls.bParityType = UCDC_PARITY_ODD; 615 else 616 ls.bParityType = UCDC_PARITY_EVEN; 617 } else 618 ls.bParityType = UCDC_PARITY_NONE; 619 switch (ISSET(t->c_cflag, CSIZE)) { 620 case CS5: 621 ls.bDataBits = 5; 622 break; 623 case CS6: 624 ls.bDataBits = 6; 625 break; 626 case CS7: 627 ls.bDataBits = 7; 628 break; 629 case CS8: 630 ls.bDataBits = 8; 631 break; 632 } 633 634 err = uplcom_set_line_coding(sc, &ls); 635 if (err) { 636 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 637 return (EIO); 638 } 639 640 if (ISSET(t->c_cflag, CRTSCTS)) 641 uplcom_set_crtscts(sc); 642 643 if (sc->sc_rts == -1 || sc->sc_dtr == -1) 644 uplcom_set_line_state(sc); 645 646 if (err) { 647 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 648 return (EIO); 649 } 650 651 return (0); 652 } 653 654 int 655 uplcom_open(void *addr, int portno) 656 { 657 struct uplcom_softc *sc = addr; 658 usb_device_request_t req; 659 usbd_status uerr; 660 int err; 661 662 if (usbd_is_dying(sc->sc_udev)) 663 return (EIO); 664 665 DPRINTF(("uplcom_open: sc=%p\n", sc)); 666 667 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 668 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 669 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, 670 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, 671 sc->sc_intr_buf, sc->sc_isize, 672 uplcom_intr, USBD_DEFAULT_INTERVAL); 673 if (err) { 674 DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n", 675 sc->sc_dev.dv_xname, sc->sc_intr_number)); 676 return (EIO); 677 } 678 } 679 680 if (sc->sc_type_hx == 1) { 681 /* 682 * Undocumented (vendor unresponsive) - possibly changes 683 * flow control semantics. It is needed for HX variant devices. 684 */ 685 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 686 req.bRequest = UPLCOM_SET_REQUEST; 687 USETW(req.wValue, 2); 688 USETW(req.wIndex, 0x44); 689 USETW(req.wLength, 0); 690 691 uerr = usbd_do_request(sc->sc_udev, &req, 0); 692 if (uerr) 693 return (EIO); 694 695 /* Reset upstream data pipes */ 696 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 697 req.bRequest = UPLCOM_SET_REQUEST; 698 USETW(req.wValue, 8); 699 USETW(req.wIndex, 0); 700 USETW(req.wLength, 0); 701 702 uerr = usbd_do_request(sc->sc_udev, &req, 0); 703 if (uerr) 704 return (EIO); 705 706 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 707 req.bRequest = UPLCOM_SET_REQUEST; 708 USETW(req.wValue, 9); 709 USETW(req.wIndex, 0); 710 USETW(req.wLength, 0); 711 712 uerr = usbd_do_request(sc->sc_udev, &req, 0); 713 if (uerr) 714 return (EIO); 715 } 716 717 return (0); 718 } 719 720 void 721 uplcom_close(void *addr, int portno) 722 { 723 struct uplcom_softc *sc = addr; 724 int err; 725 726 if (usbd_is_dying(sc->sc_udev)) 727 return; 728 729 DPRINTF(("uplcom_close: close\n")); 730 731 if (sc->sc_intr_pipe != NULL) { 732 usbd_abort_pipe(sc->sc_intr_pipe); 733 err = usbd_close_pipe(sc->sc_intr_pipe); 734 if (err) 735 printf("%s: close interrupt pipe failed: %s\n", 736 sc->sc_dev.dv_xname, usbd_errstr(err)); 737 free(sc->sc_intr_buf, M_USBDEV, 0); 738 sc->sc_intr_pipe = NULL; 739 } 740 } 741 742 void 743 uplcom_intr(struct usbd_xfer *xfer, void *priv, usbd_status status) 744 { 745 struct uplcom_softc *sc = priv; 746 u_char *buf = sc->sc_intr_buf; 747 u_char pstatus; 748 749 if (usbd_is_dying(sc->sc_udev)) 750 return; 751 752 if (status != USBD_NORMAL_COMPLETION) { 753 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 754 return; 755 756 DPRINTF(("%s: abnormal status: %s\n", sc->sc_dev.dv_xname, 757 usbd_errstr(status))); 758 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 759 return; 760 } 761 762 DPRINTF(("%s: uplcom status = %02x\n", sc->sc_dev.dv_xname, buf[8])); 763 764 sc->sc_lsr = sc->sc_msr = 0; 765 pstatus = buf[8]; 766 if (ISSET(pstatus, RSAQ_STATUS_CTS)) 767 sc->sc_msr |= UMSR_CTS; 768 else 769 sc->sc_msr &= ~UMSR_CTS; 770 if (ISSET(pstatus, RSAQ_STATUS_DSR)) 771 sc->sc_msr |= UMSR_DSR; 772 else 773 sc->sc_msr &= ~UMSR_DSR; 774 if (ISSET(pstatus, RSAQ_STATUS_DCD)) 775 sc->sc_msr |= UMSR_DCD; 776 else 777 sc->sc_msr &= ~UMSR_DCD; 778 ucom_status_change((struct ucom_softc *) sc->sc_subdev); 779 } 780 781 void 782 uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 783 { 784 struct uplcom_softc *sc = addr; 785 786 DPRINTF(("uplcom_get_status:\n")); 787 788 if (lsr != NULL) 789 *lsr = sc->sc_lsr; 790 if (msr != NULL) 791 *msr = sc->sc_msr; 792 } 793 794 #if TODO 795 int 796 uplcom_ioctl(void *addr, int portno, u_long cmd, caddr_t data, int flag, 797 struct proc *p) 798 { 799 struct uplcom_softc *sc = addr; 800 int error = 0; 801 802 if (usbd_is_dying(sc->sc_udev)) 803 return (EIO); 804 805 DPRINTF(("uplcom_ioctl: cmd=0x%08lx\n", cmd)); 806 807 switch (cmd) { 808 case TIOCNOTTY: 809 case TIOCMGET: 810 case TIOCMSET: 811 case USB_GET_CM_OVER_DATA: 812 case USB_SET_CM_OVER_DATA: 813 break; 814 815 default: 816 DPRINTF(("uplcom_ioctl: unknown\n")); 817 error = ENOTTY; 818 break; 819 } 820 821 return (error); 822 } 823 #endif 824