1 /* $OpenBSD: uplcom.c,v 1.81 2024/05/23 03:21:09 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/malloc.h> 43 #include <sys/tty.h> 44 #include <sys/device.h> 45 46 #include <dev/usb/usb.h> 47 #include <dev/usb/usbcdc.h> 48 49 #include <dev/usb/usbdi.h> 50 #include <dev/usb/usbdevs.h> 51 52 #include <dev/usb/ucomvar.h> 53 54 #ifdef UPLCOM_DEBUG 55 #define DPRINTFN(n, x) do { if (uplcomdebug > (n)) printf x; } while (0) 56 int uplcomdebug = 0; 57 #else 58 #define DPRINTFN(n, x) 59 #endif 60 #define DPRINTF(x) DPRINTFN(0, x) 61 62 #define UPLCOM_IFACE_INDEX 0 63 #define UPLCOM_SECOND_IFACE_INDEX 1 64 65 #define UPLCOM_SET_REQUEST 0x01 66 #define UPLCOM_HXN_SET_REQUEST 0x80 67 #define UPLCOM_HXN_SET_CRTSCTS_REG 0x0A 68 #define UPLCOM_SET_CRTSCTS 0x41 69 #define UPLCOM_HX_SET_CRTSCTS 0x61 70 #define UPLCOM_HXN_SET_CRTSCTS 0xFA 71 #define UPLCOM_HX_STATUS_REG 0x8080 72 #define RSAQ_STATUS_CTS 0x80 73 #define RSAQ_STATUS_DSR 0x02 74 #define RSAQ_STATUS_DCD 0x01 75 76 #define UPLCOM_TYPE_01 0 77 #define UPLCOM_TYPE_HX 1 78 #define UPLCOM_TYPE_HXN 2 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; /* 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 int uplcom_param(void *, int, struct termios *); 123 int uplcom_open(void *, int); 124 void uplcom_close(void *, int); 125 126 const struct ucom_methods uplcom_methods = { 127 uplcom_get_status, 128 uplcom_set, 129 uplcom_param, 130 NULL, 131 uplcom_open, 132 uplcom_close, 133 NULL, 134 NULL, 135 }; 136 137 static const struct usb_devno uplcom_devs[] = { 138 { USB_VENDOR_ALCATEL, USB_PRODUCT_ALCATEL_OT535 }, 139 { USB_VENDOR_ANCHOR, USB_PRODUCT_ANCHOR_SERIAL }, 140 { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC232A }, 141 { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U257 }, 142 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT }, 143 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT0 }, 144 { USB_VENDOR_HAL, USB_PRODUCT_HAL_IMR001 }, 145 { USB_VENDOR_HP, USB_PRODUCT_HP_LD220 }, 146 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ }, 147 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ5 }, 148 { USB_VENDOR_LEADTEK, USB_PRODUCT_LEADTEK_9531 }, 149 { USB_VENDOR_MICROSOFT, USB_PRODUCT_MICROSOFT_700WX }, 150 { USB_VENDOR_MOBILEACTION, USB_PRODUCT_MOBILEACTION_MA620 }, 151 { USB_VENDOR_NOKIA, USB_PRODUCT_NOKIA_CA42 }, 152 { USB_VENDOR_OTI, USB_PRODUCT_OTI_DKU5 }, 153 { USB_VENDOR_PLX, USB_PRODUCT_PLX_CA42 }, 154 { USB_VENDOR_PANASONIC, USB_PRODUCT_PANASONIC_TYTP50P6S }, 155 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303 }, 156 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303GB }, 157 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303GC }, 158 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303GE }, 159 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303GL }, 160 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303GS }, 161 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303GT }, 162 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303X }, 163 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303X2 }, 164 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ2 }, 165 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303BENQ }, 166 { USB_VENDOR_PROLIFIC2, USB_PRODUCT_PROLIFIC2_PL2303 }, 167 { USB_VENDOR_RADIOSHACK, USB_PRODUCT_RADIOSHACK_PL2303 }, 168 { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60 }, 169 { USB_VENDOR_SAGEM, USB_PRODUCT_SAGEM_SERIAL }, 170 { USB_VENDOR_SIEMENS3, USB_PRODUCT_SIEMENS3_SX1 }, 171 { USB_VENDOR_SIEMENS3, USB_PRODUCT_SIEMENS3_X65 }, 172 { USB_VENDOR_SIEMENS3, USB_PRODUCT_SIEMENS3_X75 }, 173 { USB_VENDOR_SITECOM, USB_PRODUCT_SITECOM_CN104 }, 174 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8 }, 175 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8_CHG }, 176 { USB_VENDOR_SPEEDDRAGON, USB_PRODUCT_SPEEDDRAGON_MS3303H }, 177 { USB_VENDOR_SUSTEEN, USB_PRODUCT_SUSTEEN_DCU11 }, 178 { USB_VENDOR_SYNTECH, USB_PRODUCT_SYNTECH_SERIAL }, 179 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UHA6400 }, 180 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UPA9664 }, 181 { USB_VENDOR_TRIPPLITE, USB_PRODUCT_TRIPPLITE_U209 }, 182 { USB_VENDOR_SMART, USB_PRODUCT_SMART_PL2303 }, 183 { USB_VENDOR_YCCABLE, USB_PRODUCT_YCCABLE_PL2303 } 184 }; 185 #define uplcom_lookup(v, p) usb_lookup(uplcom_devs, v, p) 186 187 int uplcom_match(struct device *, void *, void *); 188 void uplcom_attach(struct device *, struct device *, void *); 189 int uplcom_detach(struct device *, int); 190 191 struct cfdriver uplcom_cd = { 192 NULL, "uplcom", DV_DULL 193 }; 194 195 const struct cfattach uplcom_ca = { 196 sizeof(struct uplcom_softc), uplcom_match, uplcom_attach, uplcom_detach 197 }; 198 199 int 200 uplcom_match(struct device *parent, void *match, void *aux) 201 { 202 struct usb_attach_arg *uaa = aux; 203 204 if (uaa->iface == NULL) 205 return (UMATCH_NONE); 206 207 return (uplcom_lookup(uaa->vendor, uaa->product) != NULL ? 208 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 209 } 210 211 void 212 uplcom_attach(struct device *parent, struct device *self, void *aux) 213 { 214 struct uplcom_softc *sc = (struct uplcom_softc *)self; 215 struct usb_attach_arg *uaa = aux; 216 struct usbd_device *dev = uaa->device; 217 usb_config_descriptor_t *cdesc; 218 usb_device_descriptor_t *ddesc; 219 usb_interface_descriptor_t *id; 220 usb_endpoint_descriptor_t *ed; 221 char *devname = sc->sc_dev.dv_xname; 222 usb_device_request_t req; 223 usbd_status err; 224 uByte val; 225 int i; 226 struct ucom_attach_args uca; 227 228 sc->sc_udev = dev; 229 230 DPRINTF(("\n\nuplcom attach: sc=%p\n", sc)); 231 232 /* initialize endpoints */ 233 uca.bulkin = uca.bulkout = -1; 234 sc->sc_intr_number = -1; 235 sc->sc_intr_pipe = NULL; 236 237 /* get the config descriptor */ 238 cdesc = usbd_get_config_descriptor(sc->sc_udev); 239 240 if (cdesc == NULL) { 241 printf("%s: failed to get configuration descriptor\n", 242 sc->sc_dev.dv_xname); 243 usbd_deactivate(sc->sc_udev); 244 return; 245 } 246 247 /* get the device descriptor */ 248 ddesc = usbd_get_device_descriptor(sc->sc_udev); 249 if (ddesc == NULL) { 250 printf("%s: failed to get device descriptor\n", 251 sc->sc_dev.dv_xname); 252 usbd_deactivate(sc->sc_udev); 253 return; 254 } 255 256 /* 257 * The Linux driver suggest this will only be true for the HX 258 * variants. The datasheets disagree. 259 */ 260 if (ddesc->bDeviceClass == 0x02) 261 sc->sc_type = UPLCOM_TYPE_01; 262 else if (ddesc->bMaxPacketSize == 0x40) 263 sc->sc_type = UPLCOM_TYPE_HX; 264 else 265 sc->sc_type = UPLCOM_TYPE_01; 266 267 if (sc->sc_type == UPLCOM_TYPE_HX) { 268 req.bmRequestType = UT_READ_VENDOR_DEVICE; 269 req.bRequest = UPLCOM_SET_REQUEST; 270 USETW(req.wValue, UPLCOM_HX_STATUS_REG); 271 USETW(req.wIndex, sc->sc_iface_number); 272 USETW(req.wLength, 1); 273 err = usbd_do_request(sc->sc_udev, &req, &val); 274 if (err) 275 sc->sc_type = UPLCOM_TYPE_HXN; 276 } 277 278 #ifdef UPLCOM_DEBUG 279 /* print the chip type */ 280 if (sc->sc_type == UPLCOM_TYPE_HXN) { 281 DPRINTF(("uplcom_attach: chiptype 2303XN\n")); 282 } else if (sc->sc_type == UPLCOM_TYPE_HX) { 283 DPRINTF(("uplcom_attach: chiptype 2303X\n")); 284 } else { 285 DPRINTF(("uplcom_attach: chiptype 2303\n")); 286 } 287 #endif 288 /* get the (first/common) interface */ 289 err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX, 290 &sc->sc_iface); 291 if (err) { 292 printf("\n%s: failed to get interface, err=%s\n", 293 devname, usbd_errstr(err)); 294 usbd_deactivate(sc->sc_udev); 295 return; 296 } 297 298 /* Find the interrupt endpoints */ 299 300 id = usbd_get_interface_descriptor(sc->sc_iface); 301 sc->sc_iface_number = id->bInterfaceNumber; 302 303 for (i = 0; i < id->bNumEndpoints; i++) { 304 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 305 if (ed == NULL) { 306 printf("%s: no endpoint descriptor for %d\n", 307 sc->sc_dev.dv_xname, i); 308 usbd_deactivate(sc->sc_udev); 309 return; 310 } 311 312 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 313 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 314 sc->sc_intr_number = ed->bEndpointAddress; 315 sc->sc_isize = UGETW(ed->wMaxPacketSize); 316 } 317 } 318 319 if (sc->sc_intr_number== -1) { 320 printf("%s: Could not find interrupt in\n", 321 sc->sc_dev.dv_xname); 322 usbd_deactivate(sc->sc_udev); 323 return; 324 } 325 326 /* keep interface for interrupt */ 327 sc->sc_intr_iface = sc->sc_iface; 328 329 /* 330 * USB-RSAQ1 has two interface 331 * 332 * USB-RSAQ1 | USB-RSAQ2 333 * -----------------+----------------- 334 * Interface 0 |Interface 0 335 * Interrupt(0x81) | Interrupt(0x81) 336 * -----------------+ BulkIN(0x02) 337 * Interface 1 | BulkOUT(0x83) 338 * BulkIN(0x02) | 339 * BulkOUT(0x83) | 340 */ 341 if (cdesc->bNumInterfaces == 2) { 342 err = usbd_device2interface_handle(dev, 343 UPLCOM_SECOND_IFACE_INDEX, &sc->sc_iface); 344 if (err) { 345 printf("\n%s: failed to get second interface, err=%s\n", 346 devname, usbd_errstr(err)); 347 usbd_deactivate(sc->sc_udev); 348 return; 349 } 350 } 351 352 /* Find the bulk{in,out} endpoints */ 353 354 id = usbd_get_interface_descriptor(sc->sc_iface); 355 sc->sc_iface_number = id->bInterfaceNumber; 356 357 for (i = 0; i < id->bNumEndpoints; i++) { 358 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 359 if (ed == NULL) { 360 printf("%s: no endpoint descriptor for %d\n", 361 sc->sc_dev.dv_xname, i); 362 usbd_deactivate(sc->sc_udev); 363 return; 364 } 365 366 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 367 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 368 uca.bulkin = ed->bEndpointAddress; 369 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 370 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 371 uca.bulkout = ed->bEndpointAddress; 372 } 373 } 374 375 if (uca.bulkin == -1) { 376 printf("%s: Could not find data bulk in\n", 377 sc->sc_dev.dv_xname); 378 usbd_deactivate(sc->sc_udev); 379 return; 380 } 381 382 if (uca.bulkout == -1) { 383 printf("%s: Could not find data bulk out\n", 384 sc->sc_dev.dv_xname); 385 usbd_deactivate(sc->sc_udev); 386 return; 387 } 388 389 sc->sc_dtr = sc->sc_rts = -1; 390 uca.portno = UCOM_UNK_PORTNO; 391 /* bulkin, bulkout set above */ 392 uca.ibufsize = UPLCOMIBUFSIZE; 393 uca.obufsize = UPLCOMOBUFSIZE; 394 uca.ibufsizepad = UPLCOMIBUFSIZE; 395 uca.opkthdrlen = 0; 396 uca.device = dev; 397 uca.iface = sc->sc_iface; 398 uca.methods = &uplcom_methods; 399 uca.arg = sc; 400 uca.info = NULL; 401 402 if (sc->sc_type != UPLCOM_TYPE_HXN) { 403 err = uplcom_reset(sc); 404 if (err) { 405 printf("%s: reset failed, %s\n", sc->sc_dev.dv_xname, 406 usbd_errstr(err)); 407 usbd_deactivate(sc->sc_udev); 408 return; 409 } 410 } 411 412 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 413 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 414 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); 415 } 416 417 int 418 uplcom_detach(struct device *self, int flags) 419 { 420 struct uplcom_softc *sc = (struct uplcom_softc *)self; 421 int rv = 0; 422 423 DPRINTF(("uplcom_detach: sc=%p flags=%d\n", sc, flags)); 424 425 if (sc->sc_intr_pipe != NULL) { 426 usbd_close_pipe(sc->sc_intr_pipe); 427 free(sc->sc_intr_buf, M_USBDEV, sc->sc_isize); 428 sc->sc_intr_pipe = NULL; 429 } 430 431 if (sc->sc_subdev != NULL) { 432 rv = config_detach(sc->sc_subdev, flags); 433 sc->sc_subdev = NULL; 434 } 435 436 return (rv); 437 } 438 439 usbd_status 440 uplcom_reset(struct uplcom_softc *sc) 441 { 442 usb_device_request_t req; 443 usbd_status err; 444 445 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 446 req.bRequest = UPLCOM_SET_REQUEST; 447 USETW(req.wValue, 0); 448 USETW(req.wIndex, sc->sc_iface_number); 449 USETW(req.wLength, 0); 450 451 err = usbd_do_request(sc->sc_udev, &req, 0); 452 if (err) 453 return (EIO); 454 455 return (0); 456 } 457 458 void 459 uplcom_set_line_state(struct uplcom_softc *sc) 460 { 461 usb_device_request_t req; 462 int ls; 463 464 /* Make sure we have initialized state for sc_dtr and sc_rts */ 465 if (sc->sc_dtr == -1) 466 sc->sc_dtr = 0; 467 if (sc->sc_rts == -1) 468 sc->sc_rts = 0; 469 470 ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) | 471 (sc->sc_rts ? UCDC_LINE_RTS : 0); 472 473 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 474 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 475 USETW(req.wValue, ls); 476 USETW(req.wIndex, sc->sc_iface_number); 477 USETW(req.wLength, 0); 478 479 (void)usbd_do_request(sc->sc_udev, &req, 0); 480 481 } 482 483 void 484 uplcom_set(void *addr, int portno, int reg, int onoff) 485 { 486 struct uplcom_softc *sc = addr; 487 488 switch (reg) { 489 case UCOM_SET_DTR: 490 uplcom_dtr(sc, onoff); 491 break; 492 case UCOM_SET_RTS: 493 uplcom_rts(sc, onoff); 494 break; 495 case UCOM_SET_BREAK: 496 uplcom_break(sc, onoff); 497 break; 498 default: 499 break; 500 } 501 } 502 503 void 504 uplcom_dtr(struct uplcom_softc *sc, int onoff) 505 { 506 507 DPRINTF(("uplcom_dtr: onoff=%d\n", onoff)); 508 509 if (sc->sc_dtr != -1 && !sc->sc_dtr == !onoff) 510 return; 511 512 sc->sc_dtr = !!onoff; 513 514 uplcom_set_line_state(sc); 515 } 516 517 void 518 uplcom_rts(struct uplcom_softc *sc, int onoff) 519 { 520 DPRINTF(("uplcom_rts: onoff=%d\n", onoff)); 521 522 if (sc->sc_rts == -1 && !sc->sc_rts == !onoff) 523 return; 524 525 sc->sc_rts = !!onoff; 526 527 uplcom_set_line_state(sc); 528 } 529 530 void 531 uplcom_break(struct uplcom_softc *sc, int onoff) 532 { 533 usb_device_request_t req; 534 535 DPRINTF(("uplcom_break: onoff=%d\n", onoff)); 536 537 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 538 req.bRequest = UCDC_SEND_BREAK; 539 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 540 USETW(req.wIndex, sc->sc_iface_number); 541 USETW(req.wLength, 0); 542 543 (void)usbd_do_request(sc->sc_udev, &req, 0); 544 } 545 546 usbd_status 547 uplcom_set_crtscts(struct uplcom_softc *sc) 548 { 549 usb_device_request_t req; 550 usbd_status err; 551 552 DPRINTF(("uplcom_set_crtscts: on\n")); 553 554 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 555 if (sc->sc_type == UPLCOM_TYPE_HXN) { 556 req.bRequest = UPLCOM_HXN_SET_REQUEST; 557 USETW(req.wValue, UPLCOM_HXN_SET_CRTSCTS_REG); 558 USETW(req.wIndex, UPLCOM_HXN_SET_CRTSCTS); 559 } else { 560 req.bRequest = UPLCOM_SET_REQUEST; 561 USETW(req.wValue, 0); 562 USETW(req.wIndex, (sc->sc_type == UPLCOM_TYPE_HX ? 563 UPLCOM_HX_SET_CRTSCTS : UPLCOM_SET_CRTSCTS)); 564 } 565 USETW(req.wLength, 0); 566 567 err = usbd_do_request(sc->sc_udev, &req, 0); 568 if (err) { 569 DPRINTF(("uplcom_set_crtscts: failed, err=%s\n", 570 usbd_errstr(err))); 571 return (err); 572 } 573 574 return (USBD_NORMAL_COMPLETION); 575 } 576 577 usbd_status 578 uplcom_set_line_coding(struct uplcom_softc *sc, 579 struct usb_cdc_line_state *state) 580 { 581 usb_device_request_t req; 582 usbd_status err; 583 584 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n", 585 UGETDW(state->dwDTERate), state->bCharFormat, 586 state->bParityType, state->bDataBits)); 587 588 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { 589 DPRINTF(("uplcom_set_line_coding: already set\n")); 590 return (USBD_NORMAL_COMPLETION); 591 } 592 593 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 594 req.bRequest = UCDC_SET_LINE_CODING; 595 USETW(req.wValue, 0); 596 USETW(req.wIndex, sc->sc_iface_number); 597 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 598 599 err = usbd_do_request(sc->sc_udev, &req, state); 600 if (err) { 601 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n", 602 usbd_errstr(err))); 603 return (err); 604 } 605 606 sc->sc_line_state = *state; 607 608 return (USBD_NORMAL_COMPLETION); 609 } 610 611 int 612 uplcom_param(void *addr, int portno, struct termios *t) 613 { 614 struct uplcom_softc *sc = addr; 615 usbd_status err; 616 struct usb_cdc_line_state ls; 617 618 DPRINTF(("uplcom_param: sc=%p\n", sc)); 619 620 USETDW(ls.dwDTERate, t->c_ospeed); 621 if (ISSET(t->c_cflag, CSTOPB)) 622 ls.bCharFormat = UCDC_STOP_BIT_2; 623 else 624 ls.bCharFormat = UCDC_STOP_BIT_1; 625 if (ISSET(t->c_cflag, PARENB)) { 626 if (ISSET(t->c_cflag, PARODD)) 627 ls.bParityType = UCDC_PARITY_ODD; 628 else 629 ls.bParityType = UCDC_PARITY_EVEN; 630 } else 631 ls.bParityType = UCDC_PARITY_NONE; 632 switch (ISSET(t->c_cflag, CSIZE)) { 633 case CS5: 634 ls.bDataBits = 5; 635 break; 636 case CS6: 637 ls.bDataBits = 6; 638 break; 639 case CS7: 640 ls.bDataBits = 7; 641 break; 642 case CS8: 643 ls.bDataBits = 8; 644 break; 645 } 646 647 err = uplcom_set_line_coding(sc, &ls); 648 if (err) { 649 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 650 return (EIO); 651 } 652 653 if (ISSET(t->c_cflag, CRTSCTS)) 654 uplcom_set_crtscts(sc); 655 656 if (sc->sc_rts == -1 || sc->sc_dtr == -1) 657 uplcom_set_line_state(sc); 658 659 return (0); 660 } 661 662 int 663 uplcom_open(void *addr, int portno) 664 { 665 struct uplcom_softc *sc = addr; 666 usb_device_request_t req; 667 usbd_status uerr; 668 int err; 669 670 if (usbd_is_dying(sc->sc_udev)) 671 return (EIO); 672 673 DPRINTF(("uplcom_open: sc=%p\n", sc)); 674 675 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 676 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 677 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, 678 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, 679 sc->sc_intr_buf, sc->sc_isize, 680 uplcom_intr, USBD_DEFAULT_INTERVAL); 681 if (err) { 682 DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n", 683 sc->sc_dev.dv_xname, sc->sc_intr_number)); 684 return (EIO); 685 } 686 } 687 688 if (sc->sc_type == UPLCOM_TYPE_HX) { 689 /* 690 * Undocumented (vendor unresponsive) - possibly changes 691 * flow control semantics. It is needed for HX variant devices. 692 */ 693 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 694 req.bRequest = UPLCOM_SET_REQUEST; 695 USETW(req.wValue, 2); 696 USETW(req.wIndex, 0x44); 697 USETW(req.wLength, 0); 698 699 uerr = usbd_do_request(sc->sc_udev, &req, 0); 700 if (uerr) 701 return (EIO); 702 703 /* Reset upstream data pipes */ 704 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 705 req.bRequest = UPLCOM_SET_REQUEST; 706 USETW(req.wValue, 8); 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 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 715 req.bRequest = UPLCOM_SET_REQUEST; 716 USETW(req.wValue, 9); 717 USETW(req.wIndex, 0); 718 USETW(req.wLength, 0); 719 720 uerr = usbd_do_request(sc->sc_udev, &req, 0); 721 if (uerr) 722 return (EIO); 723 } 724 725 if (sc->sc_type == UPLCOM_TYPE_HXN) { 726 /* Reset upstream data pipes */ 727 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 728 req.bRequest = UPLCOM_HXN_SET_REQUEST; 729 USETW(req.wValue, 0x07); 730 USETW(req.wIndex, 0x03); 731 USETW(req.wLength, 0); 732 733 uerr = usbd_do_request(sc->sc_udev, &req, 0); 734 if (uerr) 735 return (EIO); 736 } 737 738 return (0); 739 } 740 741 void 742 uplcom_close(void *addr, int portno) 743 { 744 struct uplcom_softc *sc = addr; 745 int err; 746 747 if (usbd_is_dying(sc->sc_udev)) 748 return; 749 750 DPRINTF(("uplcom_close: close\n")); 751 752 if (sc->sc_intr_pipe != NULL) { 753 err = usbd_close_pipe(sc->sc_intr_pipe); 754 if (err) 755 printf("%s: close interrupt pipe failed: %s\n", 756 sc->sc_dev.dv_xname, usbd_errstr(err)); 757 free(sc->sc_intr_buf, M_USBDEV, sc->sc_isize); 758 sc->sc_intr_pipe = NULL; 759 } 760 } 761 762 void 763 uplcom_intr(struct usbd_xfer *xfer, void *priv, usbd_status status) 764 { 765 struct uplcom_softc *sc = priv; 766 u_char *buf = sc->sc_intr_buf; 767 u_char pstatus; 768 769 if (usbd_is_dying(sc->sc_udev)) 770 return; 771 772 if (status != USBD_NORMAL_COMPLETION) { 773 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 774 return; 775 776 DPRINTF(("%s: abnormal status: %s\n", sc->sc_dev.dv_xname, 777 usbd_errstr(status))); 778 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 779 return; 780 } 781 782 DPRINTF(("%s: uplcom status = %02x\n", sc->sc_dev.dv_xname, buf[8])); 783 784 sc->sc_lsr = sc->sc_msr = 0; 785 pstatus = buf[8]; 786 if (ISSET(pstatus, RSAQ_STATUS_CTS)) 787 sc->sc_msr |= UMSR_CTS; 788 else 789 sc->sc_msr &= ~UMSR_CTS; 790 if (ISSET(pstatus, RSAQ_STATUS_DSR)) 791 sc->sc_msr |= UMSR_DSR; 792 else 793 sc->sc_msr &= ~UMSR_DSR; 794 if (ISSET(pstatus, RSAQ_STATUS_DCD)) 795 sc->sc_msr |= UMSR_DCD; 796 else 797 sc->sc_msr &= ~UMSR_DCD; 798 ucom_status_change((struct ucom_softc *) sc->sc_subdev); 799 } 800 801 void 802 uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 803 { 804 struct uplcom_softc *sc = addr; 805 806 DPRINTF(("uplcom_get_status:\n")); 807 808 if (lsr != NULL) 809 *lsr = sc->sc_lsr; 810 if (msr != NULL) 811 *msr = sc->sc_msr; 812 } 813