1 /* $OpenBSD: uplcom.c,v 1.77 2021/01/27 17:28:19 mglocker Exp $ */ 2 /* $NetBSD: uplcom.c,v 1.29 2002/09/23 05:51:23 simonb Exp $ */ 3 /* 4 * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Ichiro FUKUHARA (ichiro@ichiro.org). 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * Simple datasheet 34 * http://www.prolific.com.tw/PDF/PL-2303%20Market%20Spec.pdf 35 * http://www.hitachi-hitec.com/jyouhou/prolific/2303.pdf 36 * (english) 37 * 38 */ 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/kernel.h> 43 #include <sys/malloc.h> 44 #include <sys/ioctl.h> 45 #include <sys/conf.h> 46 #include <sys/tty.h> 47 #include <sys/selinfo.h> 48 #include <sys/device.h> 49 #include <sys/poll.h> 50 51 #include <dev/usb/usb.h> 52 #include <dev/usb/usbcdc.h> 53 54 #include <dev/usb/usbdi.h> 55 #include <dev/usb/usbdi_util.h> 56 #include <dev/usb/usbdevs.h> 57 58 #include <dev/usb/ucomvar.h> 59 60 #ifdef UPLCOM_DEBUG 61 #define DPRINTFN(n, x) do { if (uplcomdebug > (n)) printf x; } while (0) 62 int uplcomdebug = 0; 63 #else 64 #define DPRINTFN(n, x) 65 #endif 66 #define DPRINTF(x) DPRINTFN(0, x) 67 68 #define UPLCOM_IFACE_INDEX 0 69 #define UPLCOM_SECOND_IFACE_INDEX 1 70 71 #define UPLCOM_SET_REQUEST 0x01 72 #define UPLCOM_HXN_SET_REQUEST 0x80 73 #define UPLCOM_HXN_SET_CRTSCTS_REG 0x0A 74 #define UPLCOM_SET_CRTSCTS 0x41 75 #define UPLCOM_HX_SET_CRTSCTS 0x61 76 #define UPLCOM_HXN_SET_CRTSCTS 0xFA 77 #define UPLCOM_HX_STATUS_REG 0x8080 78 #define RSAQ_STATUS_CTS 0x80 79 #define RSAQ_STATUS_DSR 0x02 80 #define RSAQ_STATUS_DCD 0x01 81 82 #define UPLCOM_TYPE_01 0 83 #define UPLCOM_TYPE_HX 1 84 #define UPLCOM_TYPE_HXN 2 85 86 struct uplcom_softc { 87 struct device sc_dev; /* base device */ 88 struct usbd_device *sc_udev; /* USB device */ 89 struct usbd_interface *sc_iface; /* interface */ 90 int sc_iface_number; /* interface number */ 91 92 struct usbd_interface *sc_intr_iface; /* interrupt interface */ 93 int sc_intr_number; /* interrupt number */ 94 struct usbd_pipe *sc_intr_pipe; /* interrupt pipe */ 95 u_char *sc_intr_buf; /* interrupt buffer */ 96 int sc_isize; 97 98 struct usb_cdc_line_state sc_line_state;/* current line state */ 99 int sc_dtr; /* current DTR state */ 100 int sc_rts; /* current RTS state */ 101 102 struct device *sc_subdev; /* ucom device */ 103 104 u_char sc_lsr; /* Local status register */ 105 u_char sc_msr; /* uplcom status register */ 106 int sc_type; /* 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 struct usb_cdc_line_state *state); 119 usbd_status uplcom_set_crtscts(struct uplcom_softc *); 120 void uplcom_intr(struct usbd_xfer *, void *, 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 int uplcom_param(void *, int, struct termios *); 129 int uplcom_open(void *, int); 130 void uplcom_close(void *, int); 131 132 struct ucom_methods uplcom_methods = { 133 uplcom_get_status, 134 uplcom_set, 135 uplcom_param, 136 NULL, 137 uplcom_open, 138 uplcom_close, 139 NULL, 140 NULL, 141 }; 142 143 static const struct usb_devno uplcom_devs[] = { 144 { USB_VENDOR_ALCATEL, USB_PRODUCT_ALCATEL_OT535 }, 145 { USB_VENDOR_ANCHOR, USB_PRODUCT_ANCHOR_SERIAL }, 146 { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC232A }, 147 { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U257 }, 148 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT }, 149 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT0 }, 150 { USB_VENDOR_HAL, USB_PRODUCT_HAL_IMR001 }, 151 { USB_VENDOR_HP, USB_PRODUCT_HP_LD220 }, 152 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ }, 153 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ5 }, 154 { USB_VENDOR_LEADTEK, USB_PRODUCT_LEADTEK_9531 }, 155 { USB_VENDOR_MICROSOFT, USB_PRODUCT_MICROSOFT_700WX }, 156 { USB_VENDOR_MOBILEACTION, USB_PRODUCT_MOBILEACTION_MA620 }, 157 { USB_VENDOR_NOKIA, USB_PRODUCT_NOKIA_CA42 }, 158 { USB_VENDOR_OTI, USB_PRODUCT_OTI_DKU5 }, 159 { USB_VENDOR_PLX, USB_PRODUCT_PLX_CA42 }, 160 { USB_VENDOR_PANASONIC, USB_PRODUCT_PANASONIC_TYTP50P6S }, 161 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303 }, 162 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303GC }, 163 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303X }, 164 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303X2 }, 165 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ2 }, 166 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303BENQ }, 167 { USB_VENDOR_PROLIFIC2, USB_PRODUCT_PROLIFIC2_PL2303 }, 168 { USB_VENDOR_RADIOSHACK, USB_PRODUCT_RADIOSHACK_PL2303 }, 169 { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60 }, 170 { USB_VENDOR_SAGEM, USB_PRODUCT_SAGEM_SERIAL }, 171 { USB_VENDOR_SIEMENS3, USB_PRODUCT_SIEMENS3_SX1 }, 172 { USB_VENDOR_SIEMENS3, USB_PRODUCT_SIEMENS3_X65 }, 173 { USB_VENDOR_SIEMENS3, USB_PRODUCT_SIEMENS3_X75 }, 174 { USB_VENDOR_SITECOM, USB_PRODUCT_SITECOM_CN104 }, 175 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8 }, 176 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8_CHG }, 177 { USB_VENDOR_SPEEDDRAGON, USB_PRODUCT_SPEEDDRAGON_MS3303H }, 178 { USB_VENDOR_SUSTEEN, USB_PRODUCT_SUSTEEN_DCU11 }, 179 { USB_VENDOR_SYNTECH, USB_PRODUCT_SYNTECH_SERIAL }, 180 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UHA6400 }, 181 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UPA9664 }, 182 { USB_VENDOR_TRIPPLITE, USB_PRODUCT_TRIPPLITE_U209 }, 183 { USB_VENDOR_SMART, USB_PRODUCT_SMART_PL2303 }, 184 { USB_VENDOR_YCCABLE, USB_PRODUCT_YCCABLE_PL2303 } 185 }; 186 #define uplcom_lookup(v, p) usb_lookup(uplcom_devs, v, p) 187 188 int uplcom_match(struct device *, void *, void *); 189 void uplcom_attach(struct device *, struct device *, void *); 190 int uplcom_detach(struct device *, int); 191 192 struct cfdriver uplcom_cd = { 193 NULL, "uplcom", DV_DULL 194 }; 195 196 const struct cfattach uplcom_ca = { 197 sizeof(struct uplcom_softc), uplcom_match, uplcom_attach, uplcom_detach 198 }; 199 200 int 201 uplcom_match(struct device *parent, void *match, void *aux) 202 { 203 struct usb_attach_arg *uaa = aux; 204 205 if (uaa->iface == NULL) 206 return (UMATCH_NONE); 207 208 return (uplcom_lookup(uaa->vendor, uaa->product) != NULL ? 209 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 210 } 211 212 void 213 uplcom_attach(struct device *parent, struct device *self, void *aux) 214 { 215 struct uplcom_softc *sc = (struct uplcom_softc *)self; 216 struct usb_attach_arg *uaa = aux; 217 struct usbd_device *dev = uaa->device; 218 usb_config_descriptor_t *cdesc; 219 usb_device_descriptor_t *ddesc; 220 usb_interface_descriptor_t *id; 221 usb_endpoint_descriptor_t *ed; 222 char *devname = sc->sc_dev.dv_xname; 223 usb_device_request_t req; 224 usbd_status err; 225 uByte val; 226 int i; 227 struct ucom_attach_args uca; 228 229 sc->sc_udev = dev; 230 231 DPRINTF(("\n\nuplcom attach: sc=%p\n", sc)); 232 233 /* initialize endpoints */ 234 uca.bulkin = uca.bulkout = -1; 235 sc->sc_intr_number = -1; 236 sc->sc_intr_pipe = NULL; 237 238 /* get the config descriptor */ 239 cdesc = usbd_get_config_descriptor(sc->sc_udev); 240 241 if (cdesc == NULL) { 242 printf("%s: failed to get configuration descriptor\n", 243 sc->sc_dev.dv_xname); 244 usbd_deactivate(sc->sc_udev); 245 return; 246 } 247 248 /* get the device descriptor */ 249 ddesc = usbd_get_device_descriptor(sc->sc_udev); 250 if (ddesc == NULL) { 251 printf("%s: failed to get device descriptor\n", 252 sc->sc_dev.dv_xname); 253 usbd_deactivate(sc->sc_udev); 254 return; 255 } 256 257 /* 258 * The Linux driver suggest this will only be true for the HX 259 * variants. The datasheets disagree. 260 */ 261 if (ddesc->bDeviceClass == 0x02) 262 sc->sc_type = UPLCOM_TYPE_01; 263 else if (ddesc->bMaxPacketSize == 0x40) 264 sc->sc_type = UPLCOM_TYPE_HX; 265 else 266 sc->sc_type = UPLCOM_TYPE_01; 267 268 if (sc->sc_type == UPLCOM_TYPE_HX) { 269 req.bmRequestType = UT_READ_VENDOR_DEVICE; 270 req.bRequest = UPLCOM_SET_REQUEST; 271 USETW(req.wValue, UPLCOM_HX_STATUS_REG); 272 USETW(req.wIndex, sc->sc_iface_number); 273 USETW(req.wLength, 1); 274 err = usbd_do_request(sc->sc_udev, &req, &val); 275 if (err) 276 sc->sc_type = UPLCOM_TYPE_HXN; 277 } 278 279 #ifdef UPLCOM_DEBUG 280 /* print the chip type */ 281 if (sc->sc_type == UPLCOM_TYPE_HXN) { 282 DPRINTF(("uplcom_attach: chiptype 2303XN\n")); 283 } else if (sc->sc_type == UPLCOM_TYPE_HX) { 284 DPRINTF(("uplcom_attach: chiptype 2303X\n")); 285 } else { 286 DPRINTF(("uplcom_attach: chiptype 2303\n")); 287 } 288 #endif 289 /* get the (first/common) interface */ 290 err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX, 291 &sc->sc_iface); 292 if (err) { 293 printf("\n%s: failed to get interface, err=%s\n", 294 devname, usbd_errstr(err)); 295 usbd_deactivate(sc->sc_udev); 296 return; 297 } 298 299 /* Find the interrupt endpoints */ 300 301 id = usbd_get_interface_descriptor(sc->sc_iface); 302 sc->sc_iface_number = id->bInterfaceNumber; 303 304 for (i = 0; i < id->bNumEndpoints; i++) { 305 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 306 if (ed == NULL) { 307 printf("%s: no endpoint descriptor for %d\n", 308 sc->sc_dev.dv_xname, i); 309 usbd_deactivate(sc->sc_udev); 310 return; 311 } 312 313 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 314 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 315 sc->sc_intr_number = ed->bEndpointAddress; 316 sc->sc_isize = UGETW(ed->wMaxPacketSize); 317 } 318 } 319 320 if (sc->sc_intr_number== -1) { 321 printf("%s: Could not find interrupt in\n", 322 sc->sc_dev.dv_xname); 323 usbd_deactivate(sc->sc_udev); 324 return; 325 } 326 327 /* keep interface for interrupt */ 328 sc->sc_intr_iface = sc->sc_iface; 329 330 /* 331 * USB-RSAQ1 has two interface 332 * 333 * USB-RSAQ1 | USB-RSAQ2 334 * -----------------+----------------- 335 * Interface 0 |Interface 0 336 * Interrupt(0x81) | Interrupt(0x81) 337 * -----------------+ BulkIN(0x02) 338 * Interface 1 | BulkOUT(0x83) 339 * BulkIN(0x02) | 340 * BulkOUT(0x83) | 341 */ 342 if (cdesc->bNumInterfaces == 2) { 343 err = usbd_device2interface_handle(dev, 344 UPLCOM_SECOND_IFACE_INDEX, &sc->sc_iface); 345 if (err) { 346 printf("\n%s: failed to get second interface, err=%s\n", 347 devname, usbd_errstr(err)); 348 usbd_deactivate(sc->sc_udev); 349 return; 350 } 351 } 352 353 /* Find the bulk{in,out} endpoints */ 354 355 id = usbd_get_interface_descriptor(sc->sc_iface); 356 sc->sc_iface_number = id->bInterfaceNumber; 357 358 for (i = 0; i < id->bNumEndpoints; i++) { 359 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 360 if (ed == NULL) { 361 printf("%s: no endpoint descriptor for %d\n", 362 sc->sc_dev.dv_xname, i); 363 usbd_deactivate(sc->sc_udev); 364 return; 365 } 366 367 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 368 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 369 uca.bulkin = ed->bEndpointAddress; 370 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 371 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 372 uca.bulkout = ed->bEndpointAddress; 373 } 374 } 375 376 if (uca.bulkin == -1) { 377 printf("%s: Could not find data bulk in\n", 378 sc->sc_dev.dv_xname); 379 usbd_deactivate(sc->sc_udev); 380 return; 381 } 382 383 if (uca.bulkout == -1) { 384 printf("%s: Could not find data bulk out\n", 385 sc->sc_dev.dv_xname); 386 usbd_deactivate(sc->sc_udev); 387 return; 388 } 389 390 sc->sc_dtr = sc->sc_rts = -1; 391 uca.portno = UCOM_UNK_PORTNO; 392 /* bulkin, bulkout set above */ 393 uca.ibufsize = UPLCOMIBUFSIZE; 394 uca.obufsize = UPLCOMOBUFSIZE; 395 uca.ibufsizepad = UPLCOMIBUFSIZE; 396 uca.opkthdrlen = 0; 397 uca.device = dev; 398 uca.iface = sc->sc_iface; 399 uca.methods = &uplcom_methods; 400 uca.arg = sc; 401 uca.info = NULL; 402 403 if (sc->sc_type != UPLCOM_TYPE_HXN) { 404 err = uplcom_reset(sc); 405 if (err) { 406 printf("%s: reset failed, %s\n", sc->sc_dev.dv_xname, 407 usbd_errstr(err)); 408 usbd_deactivate(sc->sc_udev); 409 return; 410 } 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_close_pipe(sc->sc_intr_pipe); 428 free(sc->sc_intr_buf, M_USBDEV, sc->sc_isize); 429 sc->sc_intr_pipe = NULL; 430 } 431 432 if (sc->sc_subdev != NULL) { 433 rv = config_detach(sc->sc_subdev, flags); 434 sc->sc_subdev = NULL; 435 } 436 437 return (rv); 438 } 439 440 usbd_status 441 uplcom_reset(struct uplcom_softc *sc) 442 { 443 usb_device_request_t req; 444 usbd_status err; 445 446 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 447 req.bRequest = UPLCOM_SET_REQUEST; 448 USETW(req.wValue, 0); 449 USETW(req.wIndex, sc->sc_iface_number); 450 USETW(req.wLength, 0); 451 452 err = usbd_do_request(sc->sc_udev, &req, 0); 453 if (err) 454 return (EIO); 455 456 return (0); 457 } 458 459 void 460 uplcom_set_line_state(struct uplcom_softc *sc) 461 { 462 usb_device_request_t req; 463 int ls; 464 465 /* Make sure we have initialized state for sc_dtr and sc_rts */ 466 if (sc->sc_dtr == -1) 467 sc->sc_dtr = 0; 468 if (sc->sc_rts == -1) 469 sc->sc_rts = 0; 470 471 ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) | 472 (sc->sc_rts ? UCDC_LINE_RTS : 0); 473 474 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 475 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 476 USETW(req.wValue, ls); 477 USETW(req.wIndex, sc->sc_iface_number); 478 USETW(req.wLength, 0); 479 480 (void)usbd_do_request(sc->sc_udev, &req, 0); 481 482 } 483 484 void 485 uplcom_set(void *addr, int portno, int reg, int onoff) 486 { 487 struct uplcom_softc *sc = addr; 488 489 switch (reg) { 490 case UCOM_SET_DTR: 491 uplcom_dtr(sc, onoff); 492 break; 493 case UCOM_SET_RTS: 494 uplcom_rts(sc, onoff); 495 break; 496 case UCOM_SET_BREAK: 497 uplcom_break(sc, onoff); 498 break; 499 default: 500 break; 501 } 502 } 503 504 void 505 uplcom_dtr(struct uplcom_softc *sc, int onoff) 506 { 507 508 DPRINTF(("uplcom_dtr: onoff=%d\n", onoff)); 509 510 if (sc->sc_dtr != -1 && !sc->sc_dtr == !onoff) 511 return; 512 513 sc->sc_dtr = !!onoff; 514 515 uplcom_set_line_state(sc); 516 } 517 518 void 519 uplcom_rts(struct uplcom_softc *sc, int onoff) 520 { 521 DPRINTF(("uplcom_rts: onoff=%d\n", onoff)); 522 523 if (sc->sc_rts == -1 && !sc->sc_rts == !onoff) 524 return; 525 526 sc->sc_rts = !!onoff; 527 528 uplcom_set_line_state(sc); 529 } 530 531 void 532 uplcom_break(struct uplcom_softc *sc, int onoff) 533 { 534 usb_device_request_t req; 535 536 DPRINTF(("uplcom_break: onoff=%d\n", onoff)); 537 538 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 539 req.bRequest = UCDC_SEND_BREAK; 540 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 541 USETW(req.wIndex, sc->sc_iface_number); 542 USETW(req.wLength, 0); 543 544 (void)usbd_do_request(sc->sc_udev, &req, 0); 545 } 546 547 usbd_status 548 uplcom_set_crtscts(struct uplcom_softc *sc) 549 { 550 usb_device_request_t req; 551 usbd_status err; 552 553 DPRINTF(("uplcom_set_crtscts: on\n")); 554 555 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 556 if (sc->sc_type == UPLCOM_TYPE_HXN) { 557 req.bRequest = UPLCOM_HXN_SET_REQUEST; 558 USETW(req.wValue, UPLCOM_HXN_SET_CRTSCTS_REG); 559 USETW(req.wIndex, UPLCOM_HXN_SET_CRTSCTS); 560 } else { 561 req.bRequest = UPLCOM_SET_REQUEST; 562 USETW(req.wValue, 0); 563 USETW(req.wIndex, (sc->sc_type == UPLCOM_TYPE_HX ? 564 UPLCOM_HX_SET_CRTSCTS : UPLCOM_SET_CRTSCTS)); 565 } 566 USETW(req.wLength, 0); 567 568 err = usbd_do_request(sc->sc_udev, &req, 0); 569 if (err) { 570 DPRINTF(("uplcom_set_crtscts: failed, err=%s\n", 571 usbd_errstr(err))); 572 return (err); 573 } 574 575 return (USBD_NORMAL_COMPLETION); 576 } 577 578 usbd_status 579 uplcom_set_line_coding(struct uplcom_softc *sc, 580 struct usb_cdc_line_state *state) 581 { 582 usb_device_request_t req; 583 usbd_status err; 584 585 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n", 586 UGETDW(state->dwDTERate), state->bCharFormat, 587 state->bParityType, state->bDataBits)); 588 589 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { 590 DPRINTF(("uplcom_set_line_coding: already set\n")); 591 return (USBD_NORMAL_COMPLETION); 592 } 593 594 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 595 req.bRequest = UCDC_SET_LINE_CODING; 596 USETW(req.wValue, 0); 597 USETW(req.wIndex, sc->sc_iface_number); 598 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 599 600 err = usbd_do_request(sc->sc_udev, &req, state); 601 if (err) { 602 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n", 603 usbd_errstr(err))); 604 return (err); 605 } 606 607 sc->sc_line_state = *state; 608 609 return (USBD_NORMAL_COMPLETION); 610 } 611 612 int 613 uplcom_param(void *addr, int portno, struct termios *t) 614 { 615 struct uplcom_softc *sc = addr; 616 usbd_status err; 617 struct usb_cdc_line_state ls; 618 619 DPRINTF(("uplcom_param: sc=%p\n", sc)); 620 621 USETDW(ls.dwDTERate, t->c_ospeed); 622 if (ISSET(t->c_cflag, CSTOPB)) 623 ls.bCharFormat = UCDC_STOP_BIT_2; 624 else 625 ls.bCharFormat = UCDC_STOP_BIT_1; 626 if (ISSET(t->c_cflag, PARENB)) { 627 if (ISSET(t->c_cflag, PARODD)) 628 ls.bParityType = UCDC_PARITY_ODD; 629 else 630 ls.bParityType = UCDC_PARITY_EVEN; 631 } else 632 ls.bParityType = UCDC_PARITY_NONE; 633 switch (ISSET(t->c_cflag, CSIZE)) { 634 case CS5: 635 ls.bDataBits = 5; 636 break; 637 case CS6: 638 ls.bDataBits = 6; 639 break; 640 case CS7: 641 ls.bDataBits = 7; 642 break; 643 case CS8: 644 ls.bDataBits = 8; 645 break; 646 } 647 648 err = uplcom_set_line_coding(sc, &ls); 649 if (err) { 650 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 651 return (EIO); 652 } 653 654 if (ISSET(t->c_cflag, CRTSCTS)) 655 uplcom_set_crtscts(sc); 656 657 if (sc->sc_rts == -1 || sc->sc_dtr == -1) 658 uplcom_set_line_state(sc); 659 660 return (0); 661 } 662 663 int 664 uplcom_open(void *addr, int portno) 665 { 666 struct uplcom_softc *sc = addr; 667 usb_device_request_t req; 668 usbd_status uerr; 669 int err; 670 671 if (usbd_is_dying(sc->sc_udev)) 672 return (EIO); 673 674 DPRINTF(("uplcom_open: sc=%p\n", sc)); 675 676 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 677 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 678 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, 679 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, 680 sc->sc_intr_buf, sc->sc_isize, 681 uplcom_intr, USBD_DEFAULT_INTERVAL); 682 if (err) { 683 DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n", 684 sc->sc_dev.dv_xname, sc->sc_intr_number)); 685 return (EIO); 686 } 687 } 688 689 if (sc->sc_type == UPLCOM_TYPE_HX) { 690 /* 691 * Undocumented (vendor unresponsive) - possibly changes 692 * flow control semantics. It is needed for HX variant devices. 693 */ 694 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 695 req.bRequest = UPLCOM_SET_REQUEST; 696 USETW(req.wValue, 2); 697 USETW(req.wIndex, 0x44); 698 USETW(req.wLength, 0); 699 700 uerr = usbd_do_request(sc->sc_udev, &req, 0); 701 if (uerr) 702 return (EIO); 703 704 /* Reset upstream data pipes */ 705 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 706 req.bRequest = UPLCOM_SET_REQUEST; 707 USETW(req.wValue, 8); 708 USETW(req.wIndex, 0); 709 USETW(req.wLength, 0); 710 711 uerr = usbd_do_request(sc->sc_udev, &req, 0); 712 if (uerr) 713 return (EIO); 714 715 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 716 req.bRequest = UPLCOM_SET_REQUEST; 717 USETW(req.wValue, 9); 718 USETW(req.wIndex, 0); 719 USETW(req.wLength, 0); 720 721 uerr = usbd_do_request(sc->sc_udev, &req, 0); 722 if (uerr) 723 return (EIO); 724 } 725 726 if (sc->sc_type == UPLCOM_TYPE_HXN) { 727 /* Reset upstream data pipes */ 728 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 729 req.bRequest = UPLCOM_HXN_SET_REQUEST; 730 USETW(req.wValue, 0x07); 731 USETW(req.wIndex, 0x03); 732 USETW(req.wLength, 0); 733 734 uerr = usbd_do_request(sc->sc_udev, &req, 0); 735 if (uerr) 736 return (EIO); 737 } 738 739 return (0); 740 } 741 742 void 743 uplcom_close(void *addr, int portno) 744 { 745 struct uplcom_softc *sc = addr; 746 int err; 747 748 if (usbd_is_dying(sc->sc_udev)) 749 return; 750 751 DPRINTF(("uplcom_close: close\n")); 752 753 if (sc->sc_intr_pipe != NULL) { 754 err = usbd_close_pipe(sc->sc_intr_pipe); 755 if (err) 756 printf("%s: close interrupt pipe failed: %s\n", 757 sc->sc_dev.dv_xname, usbd_errstr(err)); 758 free(sc->sc_intr_buf, M_USBDEV, sc->sc_isize); 759 sc->sc_intr_pipe = NULL; 760 } 761 } 762 763 void 764 uplcom_intr(struct usbd_xfer *xfer, void *priv, usbd_status status) 765 { 766 struct uplcom_softc *sc = priv; 767 u_char *buf = sc->sc_intr_buf; 768 u_char pstatus; 769 770 if (usbd_is_dying(sc->sc_udev)) 771 return; 772 773 if (status != USBD_NORMAL_COMPLETION) { 774 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 775 return; 776 777 DPRINTF(("%s: abnormal status: %s\n", sc->sc_dev.dv_xname, 778 usbd_errstr(status))); 779 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 780 return; 781 } 782 783 DPRINTF(("%s: uplcom status = %02x\n", sc->sc_dev.dv_xname, buf[8])); 784 785 sc->sc_lsr = sc->sc_msr = 0; 786 pstatus = buf[8]; 787 if (ISSET(pstatus, RSAQ_STATUS_CTS)) 788 sc->sc_msr |= UMSR_CTS; 789 else 790 sc->sc_msr &= ~UMSR_CTS; 791 if (ISSET(pstatus, RSAQ_STATUS_DSR)) 792 sc->sc_msr |= UMSR_DSR; 793 else 794 sc->sc_msr &= ~UMSR_DSR; 795 if (ISSET(pstatus, RSAQ_STATUS_DCD)) 796 sc->sc_msr |= UMSR_DCD; 797 else 798 sc->sc_msr &= ~UMSR_DCD; 799 ucom_status_change((struct ucom_softc *) sc->sc_subdev); 800 } 801 802 void 803 uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 804 { 805 struct uplcom_softc *sc = addr; 806 807 DPRINTF(("uplcom_get_status:\n")); 808 809 if (lsr != NULL) 810 *lsr = sc->sc_lsr; 811 if (msr != NULL) 812 *msr = sc->sc_msr; 813 } 814