uplcom.c revision 1.59
1 /* $NetBSD: uplcom.c,v 1.59 2008/02/12 22:29:54 mlelstv Exp $ */ 2 /* 3 * Copyright (c) 2001 The NetBSD Foundation, Inc. 4 * All rights reserved. 5 * 6 * This code is derived from software contributed to The NetBSD Foundation 7 * by Ichiro FUKUHARA (ichiro (at) ichiro.org). 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by the NetBSD 20 * Foundation, Inc. and its contributors. 21 * 4. Neither the name of The NetBSD Foundation nor the names of its 22 * contributors may be used to endorse or promote products derived 23 * from this software without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 26 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 * POSSIBILITY OF SUCH DAMAGE. 36 */ 37 38 /* 39 * General information: http://www.prolific.com.tw/fr_pl2303.htm 40 * http://www.hitachi-hitec.com/jyouhou/prolific/2303.pdf 41 */ 42 43 #include <sys/cdefs.h> 44 __KERNEL_RCSID(0, "$NetBSD: uplcom.c,v 1.59 2008/02/12 22:29:54 mlelstv Exp $"); 45 46 #include <sys/param.h> 47 #include <sys/systm.h> 48 #include <sys/kernel.h> 49 #include <sys/malloc.h> 50 #include <sys/ioctl.h> 51 #include <sys/conf.h> 52 #include <sys/tty.h> 53 #include <sys/file.h> 54 #include <sys/select.h> 55 #include <sys/proc.h> 56 #include <sys/device.h> 57 #include <sys/poll.h> 58 59 #include <dev/usb/usb.h> 60 #include <dev/usb/usbcdc.h> 61 62 #include <dev/usb/usbdi.h> 63 #include <dev/usb/usbdi_util.h> 64 #include <dev/usb/usbdevs.h> 65 #include <dev/usb/usb_quirks.h> 66 67 #include <dev/usb/ucomvar.h> 68 69 #ifdef UPLCOM_DEBUG 70 #define DPRINTFN(n, x) if (uplcomdebug > (n)) logprintf x 71 int uplcomdebug = 0; 72 #else 73 #define DPRINTFN(n, x) 74 #endif 75 #define DPRINTF(x) DPRINTFN(0, x) 76 77 #define UPLCOM_CONFIG_INDEX 0 78 #define UPLCOM_IFACE_INDEX 0 79 #define UPLCOM_SECOND_IFACE_INDEX 1 80 81 #define UPLCOM_SET_REQUEST 0x01 82 #define UPLCOM_SET_CRTSCTS_0 0x41 83 #define UPLCOM_SET_CRTSCTS_HX 0x61 84 #define RSAQ_STATUS_DSR 0x02 85 #define RSAQ_STATUS_DCD 0x01 86 87 enum pl2303_type { 88 UPLCOM_TYPE_0, 89 UPLCOM_TYPE_HX, 90 }; 91 92 struct uplcom_softc { 93 USBBASEDEVICE sc_dev; /* base device */ 94 usbd_device_handle sc_udev; /* USB device */ 95 usbd_interface_handle sc_iface; /* interface */ 96 int sc_iface_number; /* interface number */ 97 98 usbd_interface_handle sc_intr_iface; /* interrupt interface */ 99 int sc_intr_number; /* interrupt number */ 100 usbd_pipe_handle sc_intr_pipe; /* interrupt pipe */ 101 u_char *sc_intr_buf; /* interrupt buffer */ 102 int sc_isize; 103 104 usb_cdc_line_state_t sc_line_state; /* current line state */ 105 int sc_dtr; /* current DTR state */ 106 int sc_rts; /* current RTS state */ 107 108 device_ptr_t sc_subdev; /* ucom device */ 109 110 u_char sc_dying; /* disconnecting */ 111 112 u_char sc_lsr; /* Local status register */ 113 u_char sc_msr; /* uplcom status register */ 114 115 enum pl2303_type sc_type; /* PL2303 chip type */ 116 }; 117 118 /* 119 * These are the maximum number of bytes transferred per frame. 120 * The output buffer size cannot be increased due to the size encoding. 121 */ 122 #define UPLCOMIBUFSIZE 256 123 #define UPLCOMOBUFSIZE 256 124 125 Static usbd_status uplcom_reset(struct uplcom_softc *); 126 Static usbd_status uplcom_set_line_coding(struct uplcom_softc *sc, 127 usb_cdc_line_state_t *state); 128 Static usbd_status uplcom_set_crtscts(struct uplcom_softc *); 129 Static void uplcom_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 130 131 Static void uplcom_set(void *, int, int, int); 132 Static void uplcom_dtr(struct uplcom_softc *, int); 133 Static void uplcom_rts(struct uplcom_softc *, int); 134 Static void uplcom_break(struct uplcom_softc *, int); 135 Static void uplcom_set_line_state(struct uplcom_softc *); 136 Static void uplcom_get_status(void *, int portno, u_char *lsr, u_char *msr); 137 #if TODO 138 Static int uplcom_ioctl(void *, int, u_long, void *, int, usb_proc_ptr ); 139 #endif 140 Static int uplcom_param(void *, int, struct termios *); 141 Static int uplcom_open(void *, int); 142 Static void uplcom_close(void *, int); 143 Static usbd_status uplcom_vendor_control_write(usbd_device_handle, u_int16_t, u_int16_t); 144 145 struct ucom_methods uplcom_methods = { 146 uplcom_get_status, 147 uplcom_set, 148 uplcom_param, 149 NULL, /* uplcom_ioctl, TODO */ 150 uplcom_open, 151 uplcom_close, 152 NULL, 153 NULL, 154 }; 155 156 static const struct uplcom_type { 157 struct usb_devno uplcom_dev; 158 int32_t release; 159 enum pl2303_type chiptype; 160 } uplcom_devs[] = { 161 /* I/O DATA USB-RSAQ2 */ 162 { { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ2 }, 163 -1, UPLCOM_TYPE_0 }, 164 /* I/O DATA USB-RSAQ3 */ 165 { { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ3 }, 166 -1, UPLCOM_TYPE_HX }, 167 /* I/O DATA USB-RSAQ */ 168 { { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ }, 169 -1, UPLCOM_TYPE_0 }, 170 /* I/O DATA USB-RSAQ5 */ 171 { { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ5 }, 172 -1, UPLCOM_TYPE_HX }, 173 /* PLANEX USB-RS232 URS-03 */ 174 { { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC232A }, 175 -1, UPLCOM_TYPE_0 }, 176 /* TrendNet TU-S9 */ 177 { { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303 }, 178 0x400, UPLCOM_TYPE_HX }, 179 /* ST Lab USB-SERIAL-4 */ 180 { { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303 }, 181 0x300, UPLCOM_TYPE_HX }, 182 /* IOGEAR/ATEN UC-232A */ 183 { { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303 }, 184 -1, UPLCOM_TYPE_0 }, 185 /* SMART Technologies USB to serial */ 186 { { USB_VENDOR_PROLIFIC2, USB_PRODUCT_PROLIFIC2_PL2303 }, 187 -1, UPLCOM_TYPE_HX }, 188 /* IOGEAR/ATENTRIPPLITE */ 189 { { USB_VENDOR_TRIPPLITE, USB_PRODUCT_TRIPPLITE_U209 }, 190 -1, UPLCOM_TYPE_0 }, 191 /* ELECOM UC-SGT */ 192 { { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT }, 193 -1, UPLCOM_TYPE_0 }, 194 /* ELECOM UC-SGT0 */ 195 { { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT0 }, 196 -1, UPLCOM_TYPE_0 }, 197 /* Panasonic 50" Touch Panel */ 198 { { USB_VENDOR_PANASONIC, USB_PRODUCT_PANASONIC_TYTP50P6S }, 199 -1, UPLCOM_TYPE_0 }, 200 /* RATOC REX-USB60 */ 201 { { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60 }, 202 -1, UPLCOM_TYPE_0 }, 203 /* TDK USB-PHS Adapter UHA6400 */ 204 { { USB_VENDOR_TDK, USB_PRODUCT_TDK_UHA6400 }, 205 -1, UPLCOM_TYPE_0 }, 206 /* TDK USB-PDC Adapter UPA9664 */ 207 { { USB_VENDOR_TDK, USB_PRODUCT_TDK_UPA9664 }, 208 -1, UPLCOM_TYPE_0 }, 209 /* Sony Ericsson USB Cable */ 210 { { USB_VENDOR_SUSTEEN, USB_PRODUCT_SUSTEEN_DCU10 }, 211 -1, UPLCOM_TYPE_0 }, 212 /* SOURCENEXT KeikaiDenwa 8 */ 213 { { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8 }, 214 -1, UPLCOM_TYPE_0 }, 215 /* SOURCENEXT KeikaiDenwa 8 with charger */ 216 { { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8_CHG }, 217 -1, UPLCOM_TYPE_0 }, 218 /* HAL Corporation Crossam2+USB */ 219 { { USB_VENDOR_HAL, USB_PRODUCT_HAL_IMR001 }, 220 -1, UPLCOM_TYPE_0 }, 221 /* Sitecom USB to serial cable */ 222 { { USB_VENDOR_SITECOM, USB_PRODUCT_SITECOM_CN104 }, 223 -1, UPLCOM_TYPE_0 }, 224 /* Pharos USB GPS - Microsoft version */ 225 { { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303X }, 226 -1, UPLCOM_TYPE_0 }, 227 /* Willcom WS002IN (DD) */ 228 { { USB_VENDOR_NETINDEX, USB_PRODUCT_NETINDEX_WS002IN }, 229 -1, UPLCOM_TYPE_HX }, 230 }; 231 #define uplcom_lookup(v, p) usb_lookup(uplcom_devs, v, p) 232 233 USB_DECLARE_DRIVER(uplcom); 234 235 USB_MATCH(uplcom) 236 { 237 USB_MATCH_START(uplcom, uaa); 238 239 return (uplcom_lookup(uaa->vendor, uaa->product) != NULL ? 240 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 241 } 242 243 USB_ATTACH(uplcom) 244 { 245 USB_ATTACH_START(uplcom, sc, uaa); 246 usbd_device_handle dev = uaa->device; 247 usb_config_descriptor_t *cdesc; 248 usb_interface_descriptor_t *id; 249 usb_endpoint_descriptor_t *ed; 250 char *devinfop; 251 char *devname = USBDEVNAME(sc->sc_dev); 252 usbd_status err; 253 int i; 254 struct ucom_attach_args uca; 255 256 devinfop = usbd_devinfo_alloc(dev, 0); 257 USB_ATTACH_SETUP; 258 printf("%s: %s\n", devname, devinfop); 259 usbd_devinfo_free(devinfop); 260 261 sc->sc_udev = dev; 262 263 DPRINTF(("\n\nuplcom attach: sc=%p\n", sc)); 264 265 /* initialize endpoints */ 266 uca.bulkin = uca.bulkout = -1; 267 sc->sc_intr_number = -1; 268 sc->sc_intr_pipe = NULL; 269 270 /* Move the device into the configured state. */ 271 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); 272 if (err) { 273 printf("\n%s: failed to set configuration, err=%s\n", 274 devname, usbd_errstr(err)); 275 sc->sc_dying = 1; 276 USB_ATTACH_ERROR_RETURN; 277 } 278 279 /* determine chip type */ 280 for (i = 0; uplcom_devs[i].uplcom_dev.ud_vendor != 0; i++) { 281 if (uplcom_devs[i].uplcom_dev.ud_vendor == uaa->vendor && 282 uplcom_devs[i].uplcom_dev.ud_product == uaa->product && 283 (uplcom_devs[i].release == uaa->release || 284 uplcom_devs[i].release == 1)) { 285 sc->sc_type = uplcom_devs[i].chiptype; 286 break; 287 } 288 } 289 290 #ifdef USB_DEBUG 291 /* print the chip type */ 292 if (sc->sc_type == UPLCOM_TYPE_HX) { 293 DPRINTF(("uplcom_attach: chiptype HX\n")); 294 } else { 295 DPRINTF(("uplcom_attach: chiptype 0\n")); 296 } 297 #endif 298 299 /* Move the device into the configured state. */ 300 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); 301 if (err) { 302 printf("%s: failed to set configuration: %s\n", 303 devname, usbd_errstr(err)); 304 sc->sc_dying = 1; 305 USB_ATTACH_ERROR_RETURN; 306 } 307 308 /* get the config descriptor */ 309 cdesc = usbd_get_config_descriptor(sc->sc_udev); 310 311 if (cdesc == NULL) { 312 printf("%s: failed to get configuration descriptor\n", 313 USBDEVNAME(sc->sc_dev)); 314 sc->sc_dying = 1; 315 USB_ATTACH_ERROR_RETURN; 316 } 317 318 /* get the (first/common) interface */ 319 err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX, 320 &sc->sc_iface); 321 if (err) { 322 printf("\n%s: failed to get interface, err=%s\n", 323 devname, usbd_errstr(err)); 324 sc->sc_dying = 1; 325 USB_ATTACH_ERROR_RETURN; 326 } 327 328 /* Find the interrupt endpoints */ 329 330 id = usbd_get_interface_descriptor(sc->sc_iface); 331 sc->sc_iface_number = id->bInterfaceNumber; 332 333 for (i = 0; i < id->bNumEndpoints; i++) { 334 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 335 if (ed == NULL) { 336 printf("%s: no endpoint descriptor for %d\n", 337 USBDEVNAME(sc->sc_dev), i); 338 sc->sc_dying = 1; 339 USB_ATTACH_ERROR_RETURN; 340 } 341 342 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 343 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 344 sc->sc_intr_number = ed->bEndpointAddress; 345 sc->sc_isize = UGETW(ed->wMaxPacketSize); 346 } 347 } 348 349 if (sc->sc_intr_number== -1) { 350 printf("%s: Could not find interrupt in\n", 351 USBDEVNAME(sc->sc_dev)); 352 sc->sc_dying = 1; 353 USB_ATTACH_ERROR_RETURN; 354 } 355 356 /* keep interface for interrupt */ 357 sc->sc_intr_iface = sc->sc_iface; 358 359 /* 360 * USB-RSAQ1 has two interface 361 * 362 * USB-RSAQ1 | USB-RSAQ2 363 * -----------------+----------------- 364 * Interface 0 |Interface 0 365 * Interrupt(0x81) | Interrupt(0x81) 366 * -----------------+ BulkIN(0x02) 367 * Interface 1 | BulkOUT(0x83) 368 * BulkIN(0x02) | 369 * BulkOUT(0x83) | 370 */ 371 if (cdesc->bNumInterface == 2) { 372 err = usbd_device2interface_handle(dev, 373 UPLCOM_SECOND_IFACE_INDEX, &sc->sc_iface); 374 if (err) { 375 printf("\n%s: failed to get second interface, err=%s\n", 376 devname, usbd_errstr(err)); 377 sc->sc_dying = 1; 378 USB_ATTACH_ERROR_RETURN; 379 } 380 } 381 382 /* Find the bulk{in,out} endpoints */ 383 384 id = usbd_get_interface_descriptor(sc->sc_iface); 385 sc->sc_iface_number = id->bInterfaceNumber; 386 387 for (i = 0; i < id->bNumEndpoints; i++) { 388 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 389 if (ed == NULL) { 390 printf("%s: no endpoint descriptor for %d\n", 391 USBDEVNAME(sc->sc_dev), i); 392 sc->sc_dying = 1; 393 USB_ATTACH_ERROR_RETURN; 394 } 395 396 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 397 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 398 uca.bulkin = ed->bEndpointAddress; 399 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 400 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 401 uca.bulkout = ed->bEndpointAddress; 402 } 403 } 404 405 if (uca.bulkin == -1) { 406 printf("%s: Could not find data bulk in\n", 407 USBDEVNAME(sc->sc_dev)); 408 sc->sc_dying = 1; 409 USB_ATTACH_ERROR_RETURN; 410 } 411 412 if (uca.bulkout == -1) { 413 printf("%s: Could not find data bulk out\n", 414 USBDEVNAME(sc->sc_dev)); 415 sc->sc_dying = 1; 416 USB_ATTACH_ERROR_RETURN; 417 } 418 419 sc->sc_dtr = sc->sc_rts = -1; 420 uca.portno = UCOM_UNK_PORTNO; 421 /* bulkin, bulkout set above */ 422 uca.ibufsize = UPLCOMIBUFSIZE; 423 uca.obufsize = UPLCOMOBUFSIZE; 424 uca.ibufsizepad = UPLCOMIBUFSIZE; 425 uca.opkthdrlen = 0; 426 uca.device = dev; 427 uca.iface = sc->sc_iface; 428 uca.methods = &uplcom_methods; 429 uca.arg = sc; 430 uca.info = NULL; 431 432 err = uplcom_reset(sc); 433 434 if (err) { 435 printf("%s: reset failed, %s\n", USBDEVNAME(sc->sc_dev), 436 usbd_errstr(err)); 437 sc->sc_dying = 1; 438 USB_ATTACH_ERROR_RETURN; 439 } 440 441 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 442 USBDEV(sc->sc_dev)); 443 444 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 445 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 446 sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &uca, 447 ucomprint, ucomsubmatch); 448 449 USB_ATTACH_SUCCESS_RETURN; 450 } 451 452 USB_DETACH(uplcom) 453 { 454 USB_DETACH_START(uplcom, sc); 455 int rv = 0; 456 457 DPRINTF(("uplcom_detach: sc=%p flags=%d\n", sc, flags)); 458 459 if (sc->sc_intr_pipe != NULL) { 460 usbd_abort_pipe(sc->sc_intr_pipe); 461 usbd_close_pipe(sc->sc_intr_pipe); 462 free(sc->sc_intr_buf, M_USBDEV); 463 sc->sc_intr_pipe = NULL; 464 } 465 466 sc->sc_dying = 1; 467 if (sc->sc_subdev != NULL) { 468 rv = config_detach(sc->sc_subdev, flags); 469 sc->sc_subdev = NULL; 470 } 471 472 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 473 USBDEV(sc->sc_dev)); 474 475 return (rv); 476 } 477 478 int 479 uplcom_activate(device_ptr_t self, enum devact act) 480 { 481 struct uplcom_softc *sc = (struct uplcom_softc *)self; 482 int rv = 0; 483 484 switch (act) { 485 case DVACT_ACTIVATE: 486 return (EOPNOTSUPP); 487 488 case DVACT_DEACTIVATE: 489 if (sc->sc_subdev != NULL) 490 rv = config_deactivate(sc->sc_subdev); 491 sc->sc_dying = 1; 492 break; 493 } 494 return (rv); 495 } 496 497 usbd_status 498 uplcom_reset(struct uplcom_softc *sc) 499 { 500 usb_device_request_t req; 501 usbd_status err; 502 503 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 504 req.bRequest = UPLCOM_SET_REQUEST; 505 USETW(req.wValue, 0); 506 USETW(req.wIndex, sc->sc_iface_number); 507 USETW(req.wLength, 0); 508 509 err = usbd_do_request(sc->sc_udev, &req, 0); 510 if (err) 511 return (EIO); 512 513 return (0); 514 } 515 516 struct pl2303x_init { 517 uint8_t req_type; 518 uint8_t request; 519 uint16_t value; 520 uint16_t index; 521 uint16_t length; 522 }; 523 524 static const struct pl2303x_init pl2303x[] = { 525 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0, 0 }, 526 { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x0404, 0, 0 }, 527 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0, 0 }, 528 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8383, 0, 0 }, 529 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0, 0 }, 530 { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x0404, 1, 0 }, 531 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0, 0 }, 532 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8383, 0, 0 }, 533 { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0, 1, 0 }, 534 { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 1, 0, 0 }, 535 { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 2, 0x44, 0 } 536 }; 537 #define N_PL2302X_INIT (sizeof(pl2303x)/sizeof(pl2303x[0])) 538 539 static usbd_status 540 uplcom_pl2303x_init(struct uplcom_softc *sc) 541 { 542 usb_device_request_t req; 543 usbd_status err; 544 int i; 545 546 for (i = 0; i < N_PL2302X_INIT; i++) { 547 req.bmRequestType = pl2303x[i].req_type; 548 req.bRequest = pl2303x[i].request; 549 USETW(req.wValue, pl2303x[i].value); 550 USETW(req.wIndex, pl2303x[i].index); 551 USETW(req.wLength, pl2303x[i].length); 552 553 err = usbd_do_request(sc->sc_udev, &req, 0); 554 if (err) { 555 printf("%s: uplcom_pl2303x_init failed: %s\n", 556 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 557 return (EIO); 558 } 559 } 560 561 return (0); 562 } 563 564 void 565 uplcom_set_line_state(struct uplcom_softc *sc) 566 { 567 usb_device_request_t req; 568 int ls; 569 570 /* make sure we have initialized state for sc_dtr and sc_rts */ 571 if (sc->sc_dtr == -1) 572 sc->sc_dtr = 0; 573 if (sc->sc_rts == -1) 574 sc->sc_rts = 0; 575 576 ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) | 577 (sc->sc_rts ? UCDC_LINE_RTS : 0); 578 579 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 580 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 581 USETW(req.wValue, ls); 582 USETW(req.wIndex, sc->sc_iface_number); 583 USETW(req.wLength, 0); 584 585 (void)usbd_do_request(sc->sc_udev, &req, 0); 586 } 587 588 void 589 uplcom_set(void *addr, int portno, int reg, int onoff) 590 { 591 struct uplcom_softc *sc = addr; 592 593 switch (reg) { 594 case UCOM_SET_DTR: 595 uplcom_dtr(sc, onoff); 596 break; 597 case UCOM_SET_RTS: 598 uplcom_rts(sc, onoff); 599 break; 600 case UCOM_SET_BREAK: 601 uplcom_break(sc, onoff); 602 break; 603 default: 604 break; 605 } 606 } 607 608 void 609 uplcom_dtr(struct uplcom_softc *sc, int onoff) 610 { 611 612 DPRINTF(("uplcom_dtr: onoff=%d\n", onoff)); 613 614 if (sc->sc_dtr != -1 && !sc->sc_dtr == !onoff) 615 return; 616 617 sc->sc_dtr = !!onoff; 618 619 uplcom_set_line_state(sc); 620 } 621 622 void 623 uplcom_rts(struct uplcom_softc *sc, int onoff) 624 { 625 DPRINTF(("uplcom_rts: onoff=%d\n", onoff)); 626 627 if (sc->sc_rts != -1 && !sc->sc_rts == !onoff) 628 return; 629 630 sc->sc_rts = !!onoff; 631 632 uplcom_set_line_state(sc); 633 } 634 635 void 636 uplcom_break(struct uplcom_softc *sc, int onoff) 637 { 638 usb_device_request_t req; 639 640 DPRINTF(("uplcom_break: onoff=%d\n", onoff)); 641 642 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 643 req.bRequest = UCDC_SEND_BREAK; 644 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 645 USETW(req.wIndex, sc->sc_iface_number); 646 USETW(req.wLength, 0); 647 648 (void)usbd_do_request(sc->sc_udev, &req, 0); 649 } 650 651 usbd_status 652 uplcom_set_crtscts(struct uplcom_softc *sc) 653 { 654 usb_device_request_t req; 655 usbd_status err; 656 657 DPRINTF(("uplcom_set_crtscts: on\n")); 658 659 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 660 req.bRequest = UPLCOM_SET_REQUEST; 661 USETW(req.wValue, 0); 662 if (sc->sc_type == UPLCOM_TYPE_HX) 663 USETW(req.wIndex, UPLCOM_SET_CRTSCTS_HX); 664 else 665 USETW(req.wIndex, UPLCOM_SET_CRTSCTS_0); 666 USETW(req.wLength, 0); 667 668 err = usbd_do_request(sc->sc_udev, &req, 0); 669 if (err) { 670 DPRINTF(("uplcom_set_crtscts: failed, err=%s\n", 671 usbd_errstr(err))); 672 return (err); 673 } 674 675 return (USBD_NORMAL_COMPLETION); 676 } 677 678 usbd_status 679 uplcom_set_line_coding(struct uplcom_softc *sc, usb_cdc_line_state_t *state) 680 { 681 usb_device_request_t req; 682 usbd_status err; 683 684 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n", 685 UGETDW(state->dwDTERate), state->bCharFormat, 686 state->bParityType, state->bDataBits)); 687 688 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { 689 DPRINTF(("uplcom_set_line_coding: already set\n")); 690 return (USBD_NORMAL_COMPLETION); 691 } 692 693 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 694 req.bRequest = UCDC_SET_LINE_CODING; 695 USETW(req.wValue, 0); 696 USETW(req.wIndex, sc->sc_iface_number); 697 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 698 699 err = usbd_do_request(sc->sc_udev, &req, state); 700 if (err) { 701 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n", 702 usbd_errstr(err))); 703 return (err); 704 } 705 706 sc->sc_line_state = *state; 707 708 return (USBD_NORMAL_COMPLETION); 709 } 710 711 int 712 uplcom_param(void *addr, int portno, struct termios *t) 713 { 714 struct uplcom_softc *sc = addr; 715 usbd_status err; 716 usb_cdc_line_state_t ls; 717 718 DPRINTF(("uplcom_param: sc=%p\n", sc)); 719 720 USETDW(ls.dwDTERate, t->c_ospeed); 721 if (ISSET(t->c_cflag, CSTOPB)) 722 ls.bCharFormat = UCDC_STOP_BIT_2; 723 else 724 ls.bCharFormat = UCDC_STOP_BIT_1; 725 if (ISSET(t->c_cflag, PARENB)) { 726 if (ISSET(t->c_cflag, PARODD)) 727 ls.bParityType = UCDC_PARITY_ODD; 728 else 729 ls.bParityType = UCDC_PARITY_EVEN; 730 } else 731 ls.bParityType = UCDC_PARITY_NONE; 732 switch (ISSET(t->c_cflag, CSIZE)) { 733 case CS5: 734 ls.bDataBits = 5; 735 break; 736 case CS6: 737 ls.bDataBits = 6; 738 break; 739 case CS7: 740 ls.bDataBits = 7; 741 break; 742 case CS8: 743 ls.bDataBits = 8; 744 break; 745 } 746 747 err = uplcom_set_line_coding(sc, &ls); 748 if (err) { 749 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 750 return (EIO); 751 } 752 753 if (ISSET(t->c_cflag, CRTSCTS)) 754 uplcom_set_crtscts(sc); 755 756 if (sc->sc_rts == -1 || sc->sc_dtr == -1) 757 uplcom_set_line_state(sc); 758 759 if (err) { 760 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 761 return (EIO); 762 } 763 764 return (0); 765 } 766 767 Static usbd_status 768 uplcom_vendor_control_write(usbd_device_handle dev, u_int16_t value, u_int16_t index) 769 { 770 usb_device_request_t req; 771 usbd_status err; 772 773 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 774 req.bRequest = UPLCOM_SET_REQUEST; 775 USETW(req.wValue, value); 776 USETW(req.wIndex, index); 777 USETW(req.wLength, 0); 778 779 err = usbd_do_request(dev, &req, NULL); 780 781 if (err) { 782 DPRINTF(("uplcom_open: vendor write failed, err=%s (%d)\n", 783 usbd_errstr(err), err)); 784 } 785 786 return err; 787 } 788 789 int 790 uplcom_open(void *addr, int portno) 791 { 792 struct uplcom_softc *sc = addr; 793 usbd_status err; 794 795 if (sc->sc_dying) 796 return (EIO); 797 798 DPRINTF(("uplcom_open: sc=%p\n", sc)); 799 800 /* Some unknown device frobbing. */ 801 if (sc->sc_type == UPLCOM_TYPE_HX) 802 uplcom_vendor_control_write(sc->sc_udev, 2, 0x44); 803 else 804 uplcom_vendor_control_write(sc->sc_udev, 2, 0x24); 805 806 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 807 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 808 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, 809 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, 810 sc->sc_intr_buf, sc->sc_isize, 811 uplcom_intr, USBD_DEFAULT_INTERVAL); 812 if (err) { 813 DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n", 814 USBDEVNAME(sc->sc_dev), sc->sc_intr_number)); 815 return (EIO); 816 } 817 } 818 819 if (sc->sc_type == UPLCOM_TYPE_HX) 820 return (uplcom_pl2303x_init(sc)); 821 822 return (0); 823 } 824 825 void 826 uplcom_close(void *addr, int portno) 827 { 828 struct uplcom_softc *sc = addr; 829 int err; 830 831 if (sc->sc_dying) 832 return; 833 834 DPRINTF(("uplcom_close: close\n")); 835 836 if (sc->sc_intr_pipe != NULL) { 837 err = usbd_abort_pipe(sc->sc_intr_pipe); 838 if (err) 839 printf("%s: abort interrupt pipe failed: %s\n", 840 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 841 err = usbd_close_pipe(sc->sc_intr_pipe); 842 if (err) 843 printf("%s: close interrupt pipe failed: %s\n", 844 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 845 free(sc->sc_intr_buf, M_USBDEV); 846 sc->sc_intr_pipe = NULL; 847 } 848 } 849 850 void 851 uplcom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, 852 usbd_status status) 853 { 854 struct uplcom_softc *sc = priv; 855 u_char *buf = sc->sc_intr_buf; 856 u_char pstatus; 857 858 if (sc->sc_dying) 859 return; 860 861 if (status != USBD_NORMAL_COMPLETION) { 862 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 863 return; 864 865 DPRINTF(("%s: abnormal status: %s\n", USBDEVNAME(sc->sc_dev), 866 usbd_errstr(status))); 867 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 868 return; 869 } 870 871 DPRINTF(("%s: uplcom status = %02x\n", USBDEVNAME(sc->sc_dev), buf[8])); 872 873 sc->sc_lsr = sc->sc_msr = 0; 874 pstatus = buf[8]; 875 if (ISSET(pstatus, RSAQ_STATUS_DSR)) 876 sc->sc_msr |= UMSR_DSR; 877 if (ISSET(pstatus, RSAQ_STATUS_DCD)) 878 sc->sc_msr |= UMSR_DCD; 879 ucom_status_change((struct ucom_softc *) sc->sc_subdev); 880 } 881 882 void 883 uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 884 { 885 struct uplcom_softc *sc = addr; 886 887 DPRINTF(("uplcom_get_status:\n")); 888 889 if (lsr != NULL) 890 *lsr = sc->sc_lsr; 891 if (msr != NULL) 892 *msr = sc->sc_msr; 893 } 894 895 #if TODO 896 int 897 uplcom_ioctl(void *addr, int portno, u_long cmd, void *data, int flag, 898 usb_proc_ptr p) 899 { 900 struct uplcom_softc *sc = addr; 901 int error = 0; 902 903 if (sc->sc_dying) 904 return (EIO); 905 906 DPRINTF(("uplcom_ioctl: cmd=0x%08lx\n", cmd)); 907 908 switch (cmd) { 909 case TIOCNOTTY: 910 case TIOCMGET: 911 case TIOCMSET: 912 case USB_GET_CM_OVER_DATA: 913 case USB_SET_CM_OVER_DATA: 914 break; 915 916 default: 917 DPRINTF(("uplcom_ioctl: unknown\n")); 918 error = ENOTTY; 919 break; 920 } 921 922 return (error); 923 } 924 #endif 925
Indexes created Sat Sep 27 22:09:54 GMT 2025