1 /* $OpenBSD: uplcom.c,v 1.66 2015/03/14 03:38:50 jsg 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 #if TODO 123 int uplcom_ioctl(void *, int, u_long, caddr_t, int, struct proc *); 124 #endif 125 int uplcom_param(void *, int, struct termios *); 126 int uplcom_open(void *, int); 127 void uplcom_close(void *, int); 128 129 struct ucom_methods uplcom_methods = { 130 uplcom_get_status, 131 uplcom_set, 132 uplcom_param, 133 NULL, /* uplcom_ioctl, TODO */ 134 uplcom_open, 135 uplcom_close, 136 NULL, 137 NULL, 138 }; 139 140 static const struct usb_devno uplcom_devs[] = { 141 { USB_VENDOR_ALCATEL, USB_PRODUCT_ALCATEL_OT535 }, 142 { USB_VENDOR_ANCHOR, USB_PRODUCT_ANCHOR_SERIAL }, 143 { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC232A }, 144 { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U257 }, 145 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT }, 146 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT0 }, 147 { USB_VENDOR_HAL, USB_PRODUCT_HAL_IMR001 }, 148 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ }, 149 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ5 }, 150 { USB_VENDOR_LEADTEK, USB_PRODUCT_LEADTEK_9531 }, 151 { USB_VENDOR_MICROSOFT, USB_PRODUCT_MICROSOFT_700WX }, 152 { USB_VENDOR_MOBILEACTION, USB_PRODUCT_MOBILEACTION_MA620 }, 153 { USB_VENDOR_NOKIA, USB_PRODUCT_NOKIA_CA42 }, 154 { USB_VENDOR_OTI, USB_PRODUCT_OTI_DKU5 }, 155 { USB_VENDOR_PLX, USB_PRODUCT_PLX_CA42 }, 156 { USB_VENDOR_PANASONIC, USB_PRODUCT_PANASONIC_TYTP50P6S }, 157 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303 }, 158 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303X }, 159 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303X2 }, 160 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ2 }, 161 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303BENQ }, 162 { USB_VENDOR_PROLIFIC2, USB_PRODUCT_PROLIFIC2_PL2303 }, 163 { USB_VENDOR_RADIOSHACK, USB_PRODUCT_RADIOSHACK_PL2303 }, 164 { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60 }, 165 { USB_VENDOR_SAGEM, USB_PRODUCT_SAGEM_SERIAL }, 166 { USB_VENDOR_SAMSUNG2, USB_PRODUCT_SAMSUNG2_I330 }, 167 { USB_VENDOR_SIEMENS3, USB_PRODUCT_SIEMENS3_SX1 }, 168 { USB_VENDOR_SIEMENS3, USB_PRODUCT_SIEMENS3_X65 }, 169 { USB_VENDOR_SIEMENS3, USB_PRODUCT_SIEMENS3_X75 }, 170 { USB_VENDOR_SITECOM, USB_PRODUCT_SITECOM_CN104 }, 171 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8 }, 172 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8_CHG }, 173 { USB_VENDOR_SPEEDDRAGON, USB_PRODUCT_SPEEDDRAGON_MS3303H }, 174 { USB_VENDOR_SUSTEEN, USB_PRODUCT_SUSTEEN_DCU11 }, 175 { USB_VENDOR_SYNTECH, USB_PRODUCT_SYNTECH_SERIAL }, 176 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UHA6400 }, 177 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UPA9664 }, 178 { USB_VENDOR_TRIPPLITE, USB_PRODUCT_TRIPPLITE_U209 }, 179 { USB_VENDOR_SMART, USB_PRODUCT_SMART_PL2303 }, 180 { USB_VENDOR_YCCABLE, USB_PRODUCT_YCCABLE_PL2303 } 181 }; 182 #define uplcom_lookup(v, p) usb_lookup(uplcom_devs, v, p) 183 184 int uplcom_match(struct device *, void *, void *); 185 void uplcom_attach(struct device *, struct device *, void *); 186 int uplcom_detach(struct device *, int); 187 188 struct cfdriver uplcom_cd = { 189 NULL, "uplcom", DV_DULL 190 }; 191 192 const struct cfattach uplcom_ca = { 193 sizeof(struct uplcom_softc), uplcom_match, uplcom_attach, uplcom_detach 194 }; 195 196 int 197 uplcom_match(struct device *parent, void *match, void *aux) 198 { 199 struct usb_attach_arg *uaa = aux; 200 201 if (uaa->iface != NULL) 202 return (UMATCH_NONE); 203 204 return (uplcom_lookup(uaa->vendor, uaa->product) != NULL ? 205 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 206 } 207 208 void 209 uplcom_attach(struct device *parent, struct device *self, void *aux) 210 { 211 struct uplcom_softc *sc = (struct uplcom_softc *)self; 212 struct usb_attach_arg *uaa = aux; 213 struct usbd_device *dev = uaa->device; 214 usb_config_descriptor_t *cdesc; 215 usb_device_descriptor_t *ddesc; 216 usb_interface_descriptor_t *id; 217 usb_endpoint_descriptor_t *ed; 218 char *devname = sc->sc_dev.dv_xname; 219 usbd_status err; 220 int i; 221 struct ucom_attach_args uca; 222 223 sc->sc_udev = dev; 224 225 DPRINTF(("\n\nuplcom attach: sc=%p\n", sc)); 226 227 /* initialize endpoints */ 228 uca.bulkin = uca.bulkout = -1; 229 sc->sc_intr_number = -1; 230 sc->sc_intr_pipe = NULL; 231 232 /* Move the device into the configured state. */ 233 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); 234 if (err) { 235 printf("%s: failed to set configuration, err=%s\n", 236 devname, usbd_errstr(err)); 237 usbd_deactivate(sc->sc_udev); 238 return; 239 } 240 241 /* get the config descriptor */ 242 cdesc = usbd_get_config_descriptor(sc->sc_udev); 243 244 if (cdesc == NULL) { 245 printf("%s: failed to get configuration descriptor\n", 246 sc->sc_dev.dv_xname); 247 usbd_deactivate(sc->sc_udev); 248 return; 249 } 250 251 /* get the device descriptor */ 252 ddesc = usbd_get_device_descriptor(sc->sc_udev); 253 if (ddesc == NULL) { 254 printf("%s: failed to get device descriptor\n", 255 sc->sc_dev.dv_xname); 256 usbd_deactivate(sc->sc_udev); 257 return; 258 } 259 260 /* 261 * The Linux driver suggest this will only be true for the HX 262 * variants. The datasheets disagree. 263 */ 264 if (ddesc->bDeviceClass == 0x02) 265 sc->sc_type_hx = 0; 266 else if (ddesc->bMaxPacketSize == 0x40) 267 sc->sc_type_hx = 1; 268 else 269 sc->sc_type_hx = 0; 270 271 #ifdef USB_DEBUG 272 /* print the chip type */ 273 if (sc->sc_type_hx) { 274 DPRINTF(("uplcom_attach: chiptype 2303X\n")); 275 } else { 276 DPRINTF(("uplcom_attach: chiptype 2303\n")); 277 } 278 #endif 279 /* get the (first/common) interface */ 280 err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX, 281 &sc->sc_iface); 282 if (err) { 283 printf("\n%s: failed to get interface, err=%s\n", 284 devname, usbd_errstr(err)); 285 usbd_deactivate(sc->sc_udev); 286 return; 287 } 288 289 /* Find the interrupt endpoints */ 290 291 id = usbd_get_interface_descriptor(sc->sc_iface); 292 sc->sc_iface_number = id->bInterfaceNumber; 293 294 for (i = 0; i < id->bNumEndpoints; i++) { 295 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 296 if (ed == NULL) { 297 printf("%s: no endpoint descriptor for %d\n", 298 sc->sc_dev.dv_xname, i); 299 usbd_deactivate(sc->sc_udev); 300 return; 301 } 302 303 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 304 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 305 sc->sc_intr_number = ed->bEndpointAddress; 306 sc->sc_isize = UGETW(ed->wMaxPacketSize); 307 } 308 } 309 310 if (sc->sc_intr_number== -1) { 311 printf("%s: Could not find interrupt in\n", 312 sc->sc_dev.dv_xname); 313 usbd_deactivate(sc->sc_udev); 314 return; 315 } 316 317 /* keep interface for interrupt */ 318 sc->sc_intr_iface = sc->sc_iface; 319 320 /* 321 * USB-RSAQ1 has two interface 322 * 323 * USB-RSAQ1 | USB-RSAQ2 324 * -----------------+----------------- 325 * Interface 0 |Interface 0 326 * Interrupt(0x81) | Interrupt(0x81) 327 * -----------------+ BulkIN(0x02) 328 * Interface 1 | BulkOUT(0x83) 329 * BulkIN(0x02) | 330 * BulkOUT(0x83) | 331 */ 332 if (cdesc->bNumInterface == 2) { 333 err = usbd_device2interface_handle(dev, 334 UPLCOM_SECOND_IFACE_INDEX, &sc->sc_iface); 335 if (err) { 336 printf("\n%s: failed to get second interface, err=%s\n", 337 devname, usbd_errstr(err)); 338 usbd_deactivate(sc->sc_udev); 339 return; 340 } 341 } 342 343 /* Find the bulk{in,out} endpoints */ 344 345 id = usbd_get_interface_descriptor(sc->sc_iface); 346 sc->sc_iface_number = id->bInterfaceNumber; 347 348 for (i = 0; i < id->bNumEndpoints; i++) { 349 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 350 if (ed == NULL) { 351 printf("%s: no endpoint descriptor for %d\n", 352 sc->sc_dev.dv_xname, i); 353 usbd_deactivate(sc->sc_udev); 354 return; 355 } 356 357 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 358 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 359 uca.bulkin = ed->bEndpointAddress; 360 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 361 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 362 uca.bulkout = ed->bEndpointAddress; 363 } 364 } 365 366 if (uca.bulkin == -1) { 367 printf("%s: Could not find data bulk in\n", 368 sc->sc_dev.dv_xname); 369 usbd_deactivate(sc->sc_udev); 370 return; 371 } 372 373 if (uca.bulkout == -1) { 374 printf("%s: Could not find data bulk out\n", 375 sc->sc_dev.dv_xname); 376 usbd_deactivate(sc->sc_udev); 377 return; 378 } 379 380 sc->sc_dtr = sc->sc_rts = -1; 381 uca.portno = UCOM_UNK_PORTNO; 382 /* bulkin, bulkout set above */ 383 uca.ibufsize = UPLCOMIBUFSIZE; 384 uca.obufsize = UPLCOMOBUFSIZE; 385 uca.ibufsizepad = UPLCOMIBUFSIZE; 386 uca.opkthdrlen = 0; 387 uca.device = dev; 388 uca.iface = sc->sc_iface; 389 uca.methods = &uplcom_methods; 390 uca.arg = sc; 391 uca.info = NULL; 392 393 err = uplcom_reset(sc); 394 395 if (err) { 396 printf("%s: reset failed, %s\n", sc->sc_dev.dv_xname, 397 usbd_errstr(err)); 398 usbd_deactivate(sc->sc_udev); 399 return; 400 } 401 402 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 403 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 404 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); 405 } 406 407 int 408 uplcom_detach(struct device *self, int flags) 409 { 410 struct uplcom_softc *sc = (struct uplcom_softc *)self; 411 int rv = 0; 412 413 DPRINTF(("uplcom_detach: sc=%p flags=%d\n", sc, flags)); 414 415 if (sc->sc_intr_pipe != NULL) { 416 usbd_abort_pipe(sc->sc_intr_pipe); 417 usbd_close_pipe(sc->sc_intr_pipe); 418 free(sc->sc_intr_buf, M_USBDEV, 0); 419 sc->sc_intr_pipe = NULL; 420 } 421 422 if (sc->sc_subdev != NULL) { 423 rv = config_detach(sc->sc_subdev, flags); 424 sc->sc_subdev = NULL; 425 } 426 427 return (rv); 428 } 429 430 usbd_status 431 uplcom_reset(struct uplcom_softc *sc) 432 { 433 usb_device_request_t req; 434 usbd_status err; 435 436 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 437 req.bRequest = UPLCOM_SET_REQUEST; 438 USETW(req.wValue, 0); 439 USETW(req.wIndex, sc->sc_iface_number); 440 USETW(req.wLength, 0); 441 442 err = usbd_do_request(sc->sc_udev, &req, 0); 443 if (err) 444 return (EIO); 445 446 return (0); 447 } 448 449 void 450 uplcom_set_line_state(struct uplcom_softc *sc) 451 { 452 usb_device_request_t req; 453 int ls; 454 455 /* Make sure we have initialized state for sc_dtr and sc_rts */ 456 if (sc->sc_dtr == -1) 457 sc->sc_dtr = 0; 458 if (sc->sc_rts == -1) 459 sc->sc_rts = 0; 460 461 ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) | 462 (sc->sc_rts ? UCDC_LINE_RTS : 0); 463 464 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 465 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 466 USETW(req.wValue, ls); 467 USETW(req.wIndex, sc->sc_iface_number); 468 USETW(req.wLength, 0); 469 470 (void)usbd_do_request(sc->sc_udev, &req, 0); 471 472 } 473 474 void 475 uplcom_set(void *addr, int portno, int reg, int onoff) 476 { 477 struct uplcom_softc *sc = addr; 478 479 switch (reg) { 480 case UCOM_SET_DTR: 481 uplcom_dtr(sc, onoff); 482 break; 483 case UCOM_SET_RTS: 484 uplcom_rts(sc, onoff); 485 break; 486 case UCOM_SET_BREAK: 487 uplcom_break(sc, onoff); 488 break; 489 default: 490 break; 491 } 492 } 493 494 void 495 uplcom_dtr(struct uplcom_softc *sc, int onoff) 496 { 497 498 DPRINTF(("uplcom_dtr: onoff=%d\n", onoff)); 499 500 if (sc->sc_dtr != -1 && !sc->sc_dtr == !onoff) 501 return; 502 503 sc->sc_dtr = !!onoff; 504 505 uplcom_set_line_state(sc); 506 } 507 508 void 509 uplcom_rts(struct uplcom_softc *sc, int onoff) 510 { 511 DPRINTF(("uplcom_rts: onoff=%d\n", onoff)); 512 513 if (sc->sc_rts == -1 && !sc->sc_rts == !onoff) 514 return; 515 516 sc->sc_rts = !!onoff; 517 518 uplcom_set_line_state(sc); 519 } 520 521 void 522 uplcom_break(struct uplcom_softc *sc, int onoff) 523 { 524 usb_device_request_t req; 525 526 DPRINTF(("uplcom_break: onoff=%d\n", onoff)); 527 528 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 529 req.bRequest = UCDC_SEND_BREAK; 530 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 531 USETW(req.wIndex, sc->sc_iface_number); 532 USETW(req.wLength, 0); 533 534 (void)usbd_do_request(sc->sc_udev, &req, 0); 535 } 536 537 usbd_status 538 uplcom_set_crtscts(struct uplcom_softc *sc) 539 { 540 usb_device_request_t req; 541 usbd_status err; 542 543 DPRINTF(("uplcom_set_crtscts: on\n")); 544 545 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 546 req.bRequest = UPLCOM_SET_REQUEST; 547 USETW(req.wValue, 0); 548 USETW(req.wIndex, 549 (sc->sc_type_hx ? UPLCOM_HX_SET_CRTSCTS : UPLCOM_SET_CRTSCTS)); 550 USETW(req.wLength, 0); 551 552 err = usbd_do_request(sc->sc_udev, &req, 0); 553 if (err) { 554 DPRINTF(("uplcom_set_crtscts: failed, err=%s\n", 555 usbd_errstr(err))); 556 return (err); 557 } 558 559 return (USBD_NORMAL_COMPLETION); 560 } 561 562 usbd_status 563 uplcom_set_line_coding(struct uplcom_softc *sc, 564 struct usb_cdc_line_state *state) 565 { 566 usb_device_request_t req; 567 usbd_status err; 568 569 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n", 570 UGETDW(state->dwDTERate), state->bCharFormat, 571 state->bParityType, state->bDataBits)); 572 573 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { 574 DPRINTF(("uplcom_set_line_coding: already set\n")); 575 return (USBD_NORMAL_COMPLETION); 576 } 577 578 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 579 req.bRequest = UCDC_SET_LINE_CODING; 580 USETW(req.wValue, 0); 581 USETW(req.wIndex, sc->sc_iface_number); 582 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 583 584 err = usbd_do_request(sc->sc_udev, &req, state); 585 if (err) { 586 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n", 587 usbd_errstr(err))); 588 return (err); 589 } 590 591 sc->sc_line_state = *state; 592 593 return (USBD_NORMAL_COMPLETION); 594 } 595 596 int 597 uplcom_param(void *addr, int portno, struct termios *t) 598 { 599 struct uplcom_softc *sc = addr; 600 usbd_status err; 601 struct usb_cdc_line_state ls; 602 603 DPRINTF(("uplcom_param: sc=%p\n", sc)); 604 605 USETDW(ls.dwDTERate, t->c_ospeed); 606 if (ISSET(t->c_cflag, CSTOPB)) 607 ls.bCharFormat = UCDC_STOP_BIT_2; 608 else 609 ls.bCharFormat = UCDC_STOP_BIT_1; 610 if (ISSET(t->c_cflag, PARENB)) { 611 if (ISSET(t->c_cflag, PARODD)) 612 ls.bParityType = UCDC_PARITY_ODD; 613 else 614 ls.bParityType = UCDC_PARITY_EVEN; 615 } else 616 ls.bParityType = UCDC_PARITY_NONE; 617 switch (ISSET(t->c_cflag, CSIZE)) { 618 case CS5: 619 ls.bDataBits = 5; 620 break; 621 case CS6: 622 ls.bDataBits = 6; 623 break; 624 case CS7: 625 ls.bDataBits = 7; 626 break; 627 case CS8: 628 ls.bDataBits = 8; 629 break; 630 } 631 632 err = uplcom_set_line_coding(sc, &ls); 633 if (err) { 634 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 635 return (EIO); 636 } 637 638 if (ISSET(t->c_cflag, CRTSCTS)) 639 uplcom_set_crtscts(sc); 640 641 if (sc->sc_rts == -1 || sc->sc_dtr == -1) 642 uplcom_set_line_state(sc); 643 644 if (err) { 645 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 646 return (EIO); 647 } 648 649 return (0); 650 } 651 652 int 653 uplcom_open(void *addr, int portno) 654 { 655 struct uplcom_softc *sc = addr; 656 usb_device_request_t req; 657 usbd_status uerr; 658 int err; 659 660 if (usbd_is_dying(sc->sc_udev)) 661 return (EIO); 662 663 DPRINTF(("uplcom_open: sc=%p\n", sc)); 664 665 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 666 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 667 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, 668 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, 669 sc->sc_intr_buf, sc->sc_isize, 670 uplcom_intr, USBD_DEFAULT_INTERVAL); 671 if (err) { 672 DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n", 673 sc->sc_dev.dv_xname, sc->sc_intr_number)); 674 return (EIO); 675 } 676 } 677 678 if (sc->sc_type_hx == 1) { 679 /* 680 * Undocumented (vendor unresponsive) - possibly changes 681 * flow control semantics. It is needed for HX variant devices. 682 */ 683 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 684 req.bRequest = UPLCOM_SET_REQUEST; 685 USETW(req.wValue, 2); 686 USETW(req.wIndex, 0x44); 687 USETW(req.wLength, 0); 688 689 uerr = usbd_do_request(sc->sc_udev, &req, 0); 690 if (uerr) 691 return (EIO); 692 693 /* Reset upstream data pipes */ 694 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 695 req.bRequest = UPLCOM_SET_REQUEST; 696 USETW(req.wValue, 8); 697 USETW(req.wIndex, 0); 698 USETW(req.wLength, 0); 699 700 uerr = usbd_do_request(sc->sc_udev, &req, 0); 701 if (uerr) 702 return (EIO); 703 704 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 705 req.bRequest = UPLCOM_SET_REQUEST; 706 USETW(req.wValue, 9); 707 USETW(req.wIndex, 0); 708 USETW(req.wLength, 0); 709 710 uerr = usbd_do_request(sc->sc_udev, &req, 0); 711 if (uerr) 712 return (EIO); 713 } 714 715 return (0); 716 } 717 718 void 719 uplcom_close(void *addr, int portno) 720 { 721 struct uplcom_softc *sc = addr; 722 int err; 723 724 if (usbd_is_dying(sc->sc_udev)) 725 return; 726 727 DPRINTF(("uplcom_close: close\n")); 728 729 if (sc->sc_intr_pipe != NULL) { 730 usbd_abort_pipe(sc->sc_intr_pipe); 731 err = usbd_close_pipe(sc->sc_intr_pipe); 732 if (err) 733 printf("%s: close interrupt pipe failed: %s\n", 734 sc->sc_dev.dv_xname, usbd_errstr(err)); 735 free(sc->sc_intr_buf, M_USBDEV, 0); 736 sc->sc_intr_pipe = NULL; 737 } 738 } 739 740 void 741 uplcom_intr(struct usbd_xfer *xfer, void *priv, usbd_status status) 742 { 743 struct uplcom_softc *sc = priv; 744 u_char *buf = sc->sc_intr_buf; 745 u_char pstatus; 746 747 if (usbd_is_dying(sc->sc_udev)) 748 return; 749 750 if (status != USBD_NORMAL_COMPLETION) { 751 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 752 return; 753 754 DPRINTF(("%s: abnormal status: %s\n", sc->sc_dev.dv_xname, 755 usbd_errstr(status))); 756 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 757 return; 758 } 759 760 DPRINTF(("%s: uplcom status = %02x\n", sc->sc_dev.dv_xname, buf[8])); 761 762 sc->sc_lsr = sc->sc_msr = 0; 763 pstatus = buf[8]; 764 if (ISSET(pstatus, RSAQ_STATUS_CTS)) 765 sc->sc_msr |= UMSR_CTS; 766 else 767 sc->sc_msr &= ~UMSR_CTS; 768 if (ISSET(pstatus, RSAQ_STATUS_DSR)) 769 sc->sc_msr |= UMSR_DSR; 770 else 771 sc->sc_msr &= ~UMSR_DSR; 772 if (ISSET(pstatus, RSAQ_STATUS_DCD)) 773 sc->sc_msr |= UMSR_DCD; 774 else 775 sc->sc_msr &= ~UMSR_DCD; 776 ucom_status_change((struct ucom_softc *) sc->sc_subdev); 777 } 778 779 void 780 uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 781 { 782 struct uplcom_softc *sc = addr; 783 784 DPRINTF(("uplcom_get_status:\n")); 785 786 if (lsr != NULL) 787 *lsr = sc->sc_lsr; 788 if (msr != NULL) 789 *msr = sc->sc_msr; 790 } 791 792 #if TODO 793 int 794 uplcom_ioctl(void *addr, int portno, u_long cmd, caddr_t data, int flag, 795 struct proc *p) 796 { 797 struct uplcom_softc *sc = addr; 798 int error = 0; 799 800 if (usbd_is_dying(sc->sc_udev)) 801 return (EIO); 802 803 DPRINTF(("uplcom_ioctl: cmd=0x%08lx\n", cmd)); 804 805 switch (cmd) { 806 case TIOCNOTTY: 807 case TIOCMGET: 808 case TIOCMSET: 809 case USB_GET_CM_OVER_DATA: 810 case USB_SET_CM_OVER_DATA: 811 break; 812 813 default: 814 DPRINTF(("uplcom_ioctl: unknown\n")); 815 error = ENOTTY; 816 break; 817 } 818 819 return (error); 820 } 821 #endif 822