1 /* $OpenBSD: uplcom.c,v 1.80 2022/07/02 08:50:42 visa 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/device.h> 48 49 #include <dev/usb/usb.h> 50 #include <dev/usb/usbcdc.h> 51 52 #include <dev/usb/usbdi.h> 53 #include <dev/usb/usbdi_util.h> 54 #include <dev/usb/usbdevs.h> 55 56 #include <dev/usb/ucomvar.h> 57 58 #ifdef UPLCOM_DEBUG 59 #define DPRINTFN(n, x) do { if (uplcomdebug > (n)) printf x; } while (0) 60 int uplcomdebug = 0; 61 #else 62 #define DPRINTFN(n, x) 63 #endif 64 #define DPRINTF(x) DPRINTFN(0, x) 65 66 #define UPLCOM_IFACE_INDEX 0 67 #define UPLCOM_SECOND_IFACE_INDEX 1 68 69 #define UPLCOM_SET_REQUEST 0x01 70 #define UPLCOM_HXN_SET_REQUEST 0x80 71 #define UPLCOM_HXN_SET_CRTSCTS_REG 0x0A 72 #define UPLCOM_SET_CRTSCTS 0x41 73 #define UPLCOM_HX_SET_CRTSCTS 0x61 74 #define UPLCOM_HXN_SET_CRTSCTS 0xFA 75 #define UPLCOM_HX_STATUS_REG 0x8080 76 #define RSAQ_STATUS_CTS 0x80 77 #define RSAQ_STATUS_DSR 0x02 78 #define RSAQ_STATUS_DCD 0x01 79 80 #define UPLCOM_TYPE_01 0 81 #define UPLCOM_TYPE_HX 1 82 #define UPLCOM_TYPE_HXN 2 83 84 struct uplcom_softc { 85 struct device sc_dev; /* base device */ 86 struct usbd_device *sc_udev; /* USB device */ 87 struct usbd_interface *sc_iface; /* interface */ 88 int sc_iface_number; /* interface number */ 89 90 struct usbd_interface *sc_intr_iface; /* interrupt interface */ 91 int sc_intr_number; /* interrupt number */ 92 struct usbd_pipe *sc_intr_pipe; /* interrupt pipe */ 93 u_char *sc_intr_buf; /* interrupt buffer */ 94 int sc_isize; 95 96 struct usb_cdc_line_state sc_line_state;/* current line state */ 97 int sc_dtr; /* current DTR state */ 98 int sc_rts; /* current RTS state */ 99 100 struct device *sc_subdev; /* ucom device */ 101 102 u_char sc_lsr; /* Local status register */ 103 u_char sc_msr; /* uplcom status register */ 104 int sc_type; /* variant */ 105 }; 106 107 /* 108 * These are the maximum number of bytes transferred per frame. 109 * The output buffer size cannot be increased due to the size encoding. 110 */ 111 #define UPLCOMIBUFSIZE 256 112 #define UPLCOMOBUFSIZE 256 113 114 usbd_status uplcom_reset(struct uplcom_softc *); 115 usbd_status uplcom_set_line_coding(struct uplcom_softc *sc, 116 struct usb_cdc_line_state *state); 117 usbd_status uplcom_set_crtscts(struct uplcom_softc *); 118 void uplcom_intr(struct usbd_xfer *, void *, usbd_status); 119 120 void uplcom_set(void *, int, int, int); 121 void uplcom_dtr(struct uplcom_softc *, int); 122 void uplcom_rts(struct uplcom_softc *, int); 123 void uplcom_break(struct uplcom_softc *, int); 124 void uplcom_set_line_state(struct uplcom_softc *); 125 void uplcom_get_status(void *, int portno, u_char *lsr, u_char *msr); 126 int uplcom_param(void *, int, struct termios *); 127 int uplcom_open(void *, int); 128 void uplcom_close(void *, int); 129 130 const struct ucom_methods uplcom_methods = { 131 uplcom_get_status, 132 uplcom_set, 133 uplcom_param, 134 NULL, 135 uplcom_open, 136 uplcom_close, 137 NULL, 138 NULL, 139 }; 140 141 static const struct usb_devno uplcom_devs[] = { 142 { USB_VENDOR_ALCATEL, USB_PRODUCT_ALCATEL_OT535 }, 143 { USB_VENDOR_ANCHOR, USB_PRODUCT_ANCHOR_SERIAL }, 144 { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC232A }, 145 { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U257 }, 146 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT }, 147 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT0 }, 148 { USB_VENDOR_HAL, USB_PRODUCT_HAL_IMR001 }, 149 { USB_VENDOR_HP, USB_PRODUCT_HP_LD220 }, 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_PL2303GB }, 161 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303GC }, 162 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303GE }, 163 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303GL }, 164 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303GS }, 165 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303GT }, 166 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303X }, 167 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303X2 }, 168 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ2 }, 169 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303BENQ }, 170 { USB_VENDOR_PROLIFIC2, USB_PRODUCT_PROLIFIC2_PL2303 }, 171 { USB_VENDOR_RADIOSHACK, USB_PRODUCT_RADIOSHACK_PL2303 }, 172 { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60 }, 173 { USB_VENDOR_SAGEM, USB_PRODUCT_SAGEM_SERIAL }, 174 { USB_VENDOR_SIEMENS3, USB_PRODUCT_SIEMENS3_SX1 }, 175 { USB_VENDOR_SIEMENS3, USB_PRODUCT_SIEMENS3_X65 }, 176 { USB_VENDOR_SIEMENS3, USB_PRODUCT_SIEMENS3_X75 }, 177 { USB_VENDOR_SITECOM, USB_PRODUCT_SITECOM_CN104 }, 178 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8 }, 179 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8_CHG }, 180 { USB_VENDOR_SPEEDDRAGON, USB_PRODUCT_SPEEDDRAGON_MS3303H }, 181 { USB_VENDOR_SUSTEEN, USB_PRODUCT_SUSTEEN_DCU11 }, 182 { USB_VENDOR_SYNTECH, USB_PRODUCT_SYNTECH_SERIAL }, 183 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UHA6400 }, 184 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UPA9664 }, 185 { USB_VENDOR_TRIPPLITE, USB_PRODUCT_TRIPPLITE_U209 }, 186 { USB_VENDOR_SMART, USB_PRODUCT_SMART_PL2303 }, 187 { USB_VENDOR_YCCABLE, USB_PRODUCT_YCCABLE_PL2303 } 188 }; 189 #define uplcom_lookup(v, p) usb_lookup(uplcom_devs, v, p) 190 191 int uplcom_match(struct device *, void *, void *); 192 void uplcom_attach(struct device *, struct device *, void *); 193 int uplcom_detach(struct device *, int); 194 195 struct cfdriver uplcom_cd = { 196 NULL, "uplcom", DV_DULL 197 }; 198 199 const struct cfattach uplcom_ca = { 200 sizeof(struct uplcom_softc), uplcom_match, uplcom_attach, uplcom_detach 201 }; 202 203 int 204 uplcom_match(struct device *parent, void *match, void *aux) 205 { 206 struct usb_attach_arg *uaa = aux; 207 208 if (uaa->iface == NULL) 209 return (UMATCH_NONE); 210 211 return (uplcom_lookup(uaa->vendor, uaa->product) != NULL ? 212 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 213 } 214 215 void 216 uplcom_attach(struct device *parent, struct device *self, void *aux) 217 { 218 struct uplcom_softc *sc = (struct uplcom_softc *)self; 219 struct usb_attach_arg *uaa = aux; 220 struct usbd_device *dev = uaa->device; 221 usb_config_descriptor_t *cdesc; 222 usb_device_descriptor_t *ddesc; 223 usb_interface_descriptor_t *id; 224 usb_endpoint_descriptor_t *ed; 225 char *devname = sc->sc_dev.dv_xname; 226 usb_device_request_t req; 227 usbd_status err; 228 uByte val; 229 int i; 230 struct ucom_attach_args uca; 231 232 sc->sc_udev = dev; 233 234 DPRINTF(("\n\nuplcom attach: sc=%p\n", sc)); 235 236 /* initialize endpoints */ 237 uca.bulkin = uca.bulkout = -1; 238 sc->sc_intr_number = -1; 239 sc->sc_intr_pipe = NULL; 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 = UPLCOM_TYPE_01; 266 else if (ddesc->bMaxPacketSize == 0x40) 267 sc->sc_type = UPLCOM_TYPE_HX; 268 else 269 sc->sc_type = UPLCOM_TYPE_01; 270 271 if (sc->sc_type == UPLCOM_TYPE_HX) { 272 req.bmRequestType = UT_READ_VENDOR_DEVICE; 273 req.bRequest = UPLCOM_SET_REQUEST; 274 USETW(req.wValue, UPLCOM_HX_STATUS_REG); 275 USETW(req.wIndex, sc->sc_iface_number); 276 USETW(req.wLength, 1); 277 err = usbd_do_request(sc->sc_udev, &req, &val); 278 if (err) 279 sc->sc_type = UPLCOM_TYPE_HXN; 280 } 281 282 #ifdef UPLCOM_DEBUG 283 /* print the chip type */ 284 if (sc->sc_type == UPLCOM_TYPE_HXN) { 285 DPRINTF(("uplcom_attach: chiptype 2303XN\n")); 286 } else if (sc->sc_type == UPLCOM_TYPE_HX) { 287 DPRINTF(("uplcom_attach: chiptype 2303X\n")); 288 } else { 289 DPRINTF(("uplcom_attach: chiptype 2303\n")); 290 } 291 #endif 292 /* get the (first/common) interface */ 293 err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX, 294 &sc->sc_iface); 295 if (err) { 296 printf("\n%s: failed to get interface, err=%s\n", 297 devname, usbd_errstr(err)); 298 usbd_deactivate(sc->sc_udev); 299 return; 300 } 301 302 /* Find the interrupt endpoints */ 303 304 id = usbd_get_interface_descriptor(sc->sc_iface); 305 sc->sc_iface_number = id->bInterfaceNumber; 306 307 for (i = 0; i < id->bNumEndpoints; i++) { 308 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 309 if (ed == NULL) { 310 printf("%s: no endpoint descriptor for %d\n", 311 sc->sc_dev.dv_xname, i); 312 usbd_deactivate(sc->sc_udev); 313 return; 314 } 315 316 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 317 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 318 sc->sc_intr_number = ed->bEndpointAddress; 319 sc->sc_isize = UGETW(ed->wMaxPacketSize); 320 } 321 } 322 323 if (sc->sc_intr_number== -1) { 324 printf("%s: Could not find interrupt in\n", 325 sc->sc_dev.dv_xname); 326 usbd_deactivate(sc->sc_udev); 327 return; 328 } 329 330 /* keep interface for interrupt */ 331 sc->sc_intr_iface = sc->sc_iface; 332 333 /* 334 * USB-RSAQ1 has two interface 335 * 336 * USB-RSAQ1 | USB-RSAQ2 337 * -----------------+----------------- 338 * Interface 0 |Interface 0 339 * Interrupt(0x81) | Interrupt(0x81) 340 * -----------------+ BulkIN(0x02) 341 * Interface 1 | BulkOUT(0x83) 342 * BulkIN(0x02) | 343 * BulkOUT(0x83) | 344 */ 345 if (cdesc->bNumInterfaces == 2) { 346 err = usbd_device2interface_handle(dev, 347 UPLCOM_SECOND_IFACE_INDEX, &sc->sc_iface); 348 if (err) { 349 printf("\n%s: failed to get second interface, err=%s\n", 350 devname, usbd_errstr(err)); 351 usbd_deactivate(sc->sc_udev); 352 return; 353 } 354 } 355 356 /* Find the bulk{in,out} endpoints */ 357 358 id = usbd_get_interface_descriptor(sc->sc_iface); 359 sc->sc_iface_number = id->bInterfaceNumber; 360 361 for (i = 0; i < id->bNumEndpoints; i++) { 362 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 363 if (ed == NULL) { 364 printf("%s: no endpoint descriptor for %d\n", 365 sc->sc_dev.dv_xname, i); 366 usbd_deactivate(sc->sc_udev); 367 return; 368 } 369 370 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 371 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 372 uca.bulkin = ed->bEndpointAddress; 373 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 374 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 375 uca.bulkout = ed->bEndpointAddress; 376 } 377 } 378 379 if (uca.bulkin == -1) { 380 printf("%s: Could not find data bulk in\n", 381 sc->sc_dev.dv_xname); 382 usbd_deactivate(sc->sc_udev); 383 return; 384 } 385 386 if (uca.bulkout == -1) { 387 printf("%s: Could not find data bulk out\n", 388 sc->sc_dev.dv_xname); 389 usbd_deactivate(sc->sc_udev); 390 return; 391 } 392 393 sc->sc_dtr = sc->sc_rts = -1; 394 uca.portno = UCOM_UNK_PORTNO; 395 /* bulkin, bulkout set above */ 396 uca.ibufsize = UPLCOMIBUFSIZE; 397 uca.obufsize = UPLCOMOBUFSIZE; 398 uca.ibufsizepad = UPLCOMIBUFSIZE; 399 uca.opkthdrlen = 0; 400 uca.device = dev; 401 uca.iface = sc->sc_iface; 402 uca.methods = &uplcom_methods; 403 uca.arg = sc; 404 uca.info = NULL; 405 406 if (sc->sc_type != UPLCOM_TYPE_HXN) { 407 err = uplcom_reset(sc); 408 if (err) { 409 printf("%s: reset failed, %s\n", sc->sc_dev.dv_xname, 410 usbd_errstr(err)); 411 usbd_deactivate(sc->sc_udev); 412 return; 413 } 414 } 415 416 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 417 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 418 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); 419 } 420 421 int 422 uplcom_detach(struct device *self, int flags) 423 { 424 struct uplcom_softc *sc = (struct uplcom_softc *)self; 425 int rv = 0; 426 427 DPRINTF(("uplcom_detach: sc=%p flags=%d\n", sc, flags)); 428 429 if (sc->sc_intr_pipe != NULL) { 430 usbd_close_pipe(sc->sc_intr_pipe); 431 free(sc->sc_intr_buf, M_USBDEV, sc->sc_isize); 432 sc->sc_intr_pipe = NULL; 433 } 434 435 if (sc->sc_subdev != NULL) { 436 rv = config_detach(sc->sc_subdev, flags); 437 sc->sc_subdev = NULL; 438 } 439 440 return (rv); 441 } 442 443 usbd_status 444 uplcom_reset(struct uplcom_softc *sc) 445 { 446 usb_device_request_t req; 447 usbd_status err; 448 449 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 450 req.bRequest = UPLCOM_SET_REQUEST; 451 USETW(req.wValue, 0); 452 USETW(req.wIndex, sc->sc_iface_number); 453 USETW(req.wLength, 0); 454 455 err = usbd_do_request(sc->sc_udev, &req, 0); 456 if (err) 457 return (EIO); 458 459 return (0); 460 } 461 462 void 463 uplcom_set_line_state(struct uplcom_softc *sc) 464 { 465 usb_device_request_t req; 466 int ls; 467 468 /* Make sure we have initialized state for sc_dtr and sc_rts */ 469 if (sc->sc_dtr == -1) 470 sc->sc_dtr = 0; 471 if (sc->sc_rts == -1) 472 sc->sc_rts = 0; 473 474 ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) | 475 (sc->sc_rts ? UCDC_LINE_RTS : 0); 476 477 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 478 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 479 USETW(req.wValue, ls); 480 USETW(req.wIndex, sc->sc_iface_number); 481 USETW(req.wLength, 0); 482 483 (void)usbd_do_request(sc->sc_udev, &req, 0); 484 485 } 486 487 void 488 uplcom_set(void *addr, int portno, int reg, int onoff) 489 { 490 struct uplcom_softc *sc = addr; 491 492 switch (reg) { 493 case UCOM_SET_DTR: 494 uplcom_dtr(sc, onoff); 495 break; 496 case UCOM_SET_RTS: 497 uplcom_rts(sc, onoff); 498 break; 499 case UCOM_SET_BREAK: 500 uplcom_break(sc, onoff); 501 break; 502 default: 503 break; 504 } 505 } 506 507 void 508 uplcom_dtr(struct uplcom_softc *sc, int onoff) 509 { 510 511 DPRINTF(("uplcom_dtr: onoff=%d\n", onoff)); 512 513 if (sc->sc_dtr != -1 && !sc->sc_dtr == !onoff) 514 return; 515 516 sc->sc_dtr = !!onoff; 517 518 uplcom_set_line_state(sc); 519 } 520 521 void 522 uplcom_rts(struct uplcom_softc *sc, int onoff) 523 { 524 DPRINTF(("uplcom_rts: onoff=%d\n", onoff)); 525 526 if (sc->sc_rts == -1 && !sc->sc_rts == !onoff) 527 return; 528 529 sc->sc_rts = !!onoff; 530 531 uplcom_set_line_state(sc); 532 } 533 534 void 535 uplcom_break(struct uplcom_softc *sc, int onoff) 536 { 537 usb_device_request_t req; 538 539 DPRINTF(("uplcom_break: onoff=%d\n", onoff)); 540 541 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 542 req.bRequest = UCDC_SEND_BREAK; 543 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 544 USETW(req.wIndex, sc->sc_iface_number); 545 USETW(req.wLength, 0); 546 547 (void)usbd_do_request(sc->sc_udev, &req, 0); 548 } 549 550 usbd_status 551 uplcom_set_crtscts(struct uplcom_softc *sc) 552 { 553 usb_device_request_t req; 554 usbd_status err; 555 556 DPRINTF(("uplcom_set_crtscts: on\n")); 557 558 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 559 if (sc->sc_type == UPLCOM_TYPE_HXN) { 560 req.bRequest = UPLCOM_HXN_SET_REQUEST; 561 USETW(req.wValue, UPLCOM_HXN_SET_CRTSCTS_REG); 562 USETW(req.wIndex, UPLCOM_HXN_SET_CRTSCTS); 563 } else { 564 req.bRequest = UPLCOM_SET_REQUEST; 565 USETW(req.wValue, 0); 566 USETW(req.wIndex, (sc->sc_type == UPLCOM_TYPE_HX ? 567 UPLCOM_HX_SET_CRTSCTS : UPLCOM_SET_CRTSCTS)); 568 } 569 USETW(req.wLength, 0); 570 571 err = usbd_do_request(sc->sc_udev, &req, 0); 572 if (err) { 573 DPRINTF(("uplcom_set_crtscts: failed, err=%s\n", 574 usbd_errstr(err))); 575 return (err); 576 } 577 578 return (USBD_NORMAL_COMPLETION); 579 } 580 581 usbd_status 582 uplcom_set_line_coding(struct uplcom_softc *sc, 583 struct usb_cdc_line_state *state) 584 { 585 usb_device_request_t req; 586 usbd_status err; 587 588 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n", 589 UGETDW(state->dwDTERate), state->bCharFormat, 590 state->bParityType, state->bDataBits)); 591 592 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { 593 DPRINTF(("uplcom_set_line_coding: already set\n")); 594 return (USBD_NORMAL_COMPLETION); 595 } 596 597 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 598 req.bRequest = UCDC_SET_LINE_CODING; 599 USETW(req.wValue, 0); 600 USETW(req.wIndex, sc->sc_iface_number); 601 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 602 603 err = usbd_do_request(sc->sc_udev, &req, state); 604 if (err) { 605 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n", 606 usbd_errstr(err))); 607 return (err); 608 } 609 610 sc->sc_line_state = *state; 611 612 return (USBD_NORMAL_COMPLETION); 613 } 614 615 int 616 uplcom_param(void *addr, int portno, struct termios *t) 617 { 618 struct uplcom_softc *sc = addr; 619 usbd_status err; 620 struct usb_cdc_line_state ls; 621 622 DPRINTF(("uplcom_param: sc=%p\n", sc)); 623 624 USETDW(ls.dwDTERate, t->c_ospeed); 625 if (ISSET(t->c_cflag, CSTOPB)) 626 ls.bCharFormat = UCDC_STOP_BIT_2; 627 else 628 ls.bCharFormat = UCDC_STOP_BIT_1; 629 if (ISSET(t->c_cflag, PARENB)) { 630 if (ISSET(t->c_cflag, PARODD)) 631 ls.bParityType = UCDC_PARITY_ODD; 632 else 633 ls.bParityType = UCDC_PARITY_EVEN; 634 } else 635 ls.bParityType = UCDC_PARITY_NONE; 636 switch (ISSET(t->c_cflag, CSIZE)) { 637 case CS5: 638 ls.bDataBits = 5; 639 break; 640 case CS6: 641 ls.bDataBits = 6; 642 break; 643 case CS7: 644 ls.bDataBits = 7; 645 break; 646 case CS8: 647 ls.bDataBits = 8; 648 break; 649 } 650 651 err = uplcom_set_line_coding(sc, &ls); 652 if (err) { 653 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 654 return (EIO); 655 } 656 657 if (ISSET(t->c_cflag, CRTSCTS)) 658 uplcom_set_crtscts(sc); 659 660 if (sc->sc_rts == -1 || sc->sc_dtr == -1) 661 uplcom_set_line_state(sc); 662 663 return (0); 664 } 665 666 int 667 uplcom_open(void *addr, int portno) 668 { 669 struct uplcom_softc *sc = addr; 670 usb_device_request_t req; 671 usbd_status uerr; 672 int err; 673 674 if (usbd_is_dying(sc->sc_udev)) 675 return (EIO); 676 677 DPRINTF(("uplcom_open: sc=%p\n", sc)); 678 679 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 680 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 681 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, 682 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, 683 sc->sc_intr_buf, sc->sc_isize, 684 uplcom_intr, USBD_DEFAULT_INTERVAL); 685 if (err) { 686 DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n", 687 sc->sc_dev.dv_xname, sc->sc_intr_number)); 688 return (EIO); 689 } 690 } 691 692 if (sc->sc_type == UPLCOM_TYPE_HX) { 693 /* 694 * Undocumented (vendor unresponsive) - possibly changes 695 * flow control semantics. It is needed for HX variant devices. 696 */ 697 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 698 req.bRequest = UPLCOM_SET_REQUEST; 699 USETW(req.wValue, 2); 700 USETW(req.wIndex, 0x44); 701 USETW(req.wLength, 0); 702 703 uerr = usbd_do_request(sc->sc_udev, &req, 0); 704 if (uerr) 705 return (EIO); 706 707 /* Reset upstream data pipes */ 708 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 709 req.bRequest = UPLCOM_SET_REQUEST; 710 USETW(req.wValue, 8); 711 USETW(req.wIndex, 0); 712 USETW(req.wLength, 0); 713 714 uerr = usbd_do_request(sc->sc_udev, &req, 0); 715 if (uerr) 716 return (EIO); 717 718 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 719 req.bRequest = UPLCOM_SET_REQUEST; 720 USETW(req.wValue, 9); 721 USETW(req.wIndex, 0); 722 USETW(req.wLength, 0); 723 724 uerr = usbd_do_request(sc->sc_udev, &req, 0); 725 if (uerr) 726 return (EIO); 727 } 728 729 if (sc->sc_type == UPLCOM_TYPE_HXN) { 730 /* Reset upstream data pipes */ 731 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 732 req.bRequest = UPLCOM_HXN_SET_REQUEST; 733 USETW(req.wValue, 0x07); 734 USETW(req.wIndex, 0x03); 735 USETW(req.wLength, 0); 736 737 uerr = usbd_do_request(sc->sc_udev, &req, 0); 738 if (uerr) 739 return (EIO); 740 } 741 742 return (0); 743 } 744 745 void 746 uplcom_close(void *addr, int portno) 747 { 748 struct uplcom_softc *sc = addr; 749 int err; 750 751 if (usbd_is_dying(sc->sc_udev)) 752 return; 753 754 DPRINTF(("uplcom_close: close\n")); 755 756 if (sc->sc_intr_pipe != NULL) { 757 err = usbd_close_pipe(sc->sc_intr_pipe); 758 if (err) 759 printf("%s: close interrupt pipe failed: %s\n", 760 sc->sc_dev.dv_xname, usbd_errstr(err)); 761 free(sc->sc_intr_buf, M_USBDEV, sc->sc_isize); 762 sc->sc_intr_pipe = NULL; 763 } 764 } 765 766 void 767 uplcom_intr(struct usbd_xfer *xfer, void *priv, usbd_status status) 768 { 769 struct uplcom_softc *sc = priv; 770 u_char *buf = sc->sc_intr_buf; 771 u_char pstatus; 772 773 if (usbd_is_dying(sc->sc_udev)) 774 return; 775 776 if (status != USBD_NORMAL_COMPLETION) { 777 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 778 return; 779 780 DPRINTF(("%s: abnormal status: %s\n", sc->sc_dev.dv_xname, 781 usbd_errstr(status))); 782 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 783 return; 784 } 785 786 DPRINTF(("%s: uplcom status = %02x\n", sc->sc_dev.dv_xname, buf[8])); 787 788 sc->sc_lsr = sc->sc_msr = 0; 789 pstatus = buf[8]; 790 if (ISSET(pstatus, RSAQ_STATUS_CTS)) 791 sc->sc_msr |= UMSR_CTS; 792 else 793 sc->sc_msr &= ~UMSR_CTS; 794 if (ISSET(pstatus, RSAQ_STATUS_DSR)) 795 sc->sc_msr |= UMSR_DSR; 796 else 797 sc->sc_msr &= ~UMSR_DSR; 798 if (ISSET(pstatus, RSAQ_STATUS_DCD)) 799 sc->sc_msr |= UMSR_DCD; 800 else 801 sc->sc_msr &= ~UMSR_DCD; 802 ucom_status_change((struct ucom_softc *) sc->sc_subdev); 803 } 804 805 void 806 uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 807 { 808 struct uplcom_softc *sc = addr; 809 810 DPRINTF(("uplcom_get_status:\n")); 811 812 if (lsr != NULL) 813 *lsr = sc->sc_lsr; 814 if (msr != NULL) 815 *msr = sc->sc_msr; 816 } 817