1 /* $OpenBSD: uticom.c,v 1.3 2008/06/14 14:33:38 fgsch Exp $ */ 2 /* 3 * Copyright (c) 2005 Dmitry Komissaroff <dxi@mail.ru>. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #include <sys/param.h> 28 #include <sys/systm.h> 29 #include <sys/kernel.h> 30 #include <sys/device.h> 31 #include <sys/malloc.h> 32 #include <sys/conf.h> 33 #include <sys/tty.h> 34 35 #include <machine/bus.h> 36 37 #include <dev/usb/usb.h> 38 #include <dev/usb/usbhid.h> 39 40 #include <dev/usb/usbdi.h> 41 #include <dev/usb/usbdivar.h> 42 #include <dev/usb/usbdi_util.h> 43 #include <dev/usb/usbdevs.h> 44 #include <dev/usb/usbcdc.h> 45 46 #include <dev/usb/ucomvar.h> 47 48 #ifdef USB_DEBUG 49 static int uticomdebug = 0; 50 51 #define DPRINTFN(n, x) do { if (uticomdebug > (n)) printf x; } while (0) 52 #else 53 #define DPRINTFN(n, x) 54 #endif 55 56 #define DPRINTF(x) DPRINTFN(0, x) 57 58 #define UTICOM_CONFIG_INDEX 1 59 #define UTICOM_ACTIVE_INDEX 2 60 61 #define UTICOM_IFACE_INDEX 0 62 63 /* 64 * These are the maximum number of bytes transferred per frame. 65 * The output buffer size cannot be increased due to the size encoding. 66 */ 67 #define UTICOM_IBUFSZ 64 68 #define UTICOM_OBUFSZ 64 69 70 #define UTICOM_FW_BUFSZ 16284 71 72 #define UTICOM_INTR_INTERVAL 100 /* ms */ 73 74 #define UTICOM_RQ_LINE 0 75 /* Used to sync data0/1-toggle on reopen bulk pipe. */ 76 #define UTICOM_RQ_SOF 1 77 #define UTICOM_RQ_SON 2 78 79 #define UTICOM_RQ_BAUD 3 80 #define UTICOM_RQ_LCR 4 81 #define UTICOM_RQ_FCR 5 82 #define UTICOM_RQ_RTS 6 83 #define UTICOM_RQ_DTR 7 84 #define UTICOM_RQ_BREAK 8 85 #define UTICOM_RQ_CRTSCTS 9 86 87 #define UTICOM_BRATE_REF 923077 88 89 #define UTICOM_SET_DATA_BITS(x) (x - 5) 90 91 #define UTICOM_STOP_BITS_1 0x00 92 #define UTICOM_STOP_BITS_2 0x40 93 94 #define UTICOM_PARITY_NONE 0x00 95 #define UTICOM_PARITY_ODD 0x08 96 #define UTICOM_PARITY_EVEN 0x18 97 98 #define UTICOM_LCR_OVR 0x1 99 #define UTICOM_LCR_PTE 0x2 100 #define UTICOM_LCR_FRE 0x4 101 #define UTICOM_LCR_BRK 0x8 102 103 #define UTICOM_MCR_CTS 0x1 104 #define UTICOM_MCR_DSR 0x2 105 #define UTICOM_MCR_CD 0x4 106 #define UTICOM_MCR_RI 0x8 107 108 /* Structures */ 109 struct uticom_fw_header { 110 uint16_t length; 111 uint8_t checkSum; 112 } __attribute__((packed)); 113 114 struct uticom_buf { 115 unsigned int buf_size; 116 char *buf_buf; 117 char *buf_get; 118 char *buf_put; 119 }; 120 121 struct uticom_softc { 122 struct device sc_dev; /* base device */ 123 usbd_device_handle sc_udev; /* device */ 124 usbd_interface_handle sc_iface; /* interface */ 125 126 int sc_iface_number; /* interface number */ 127 128 usbd_interface_handle sc_intr_iface; /* interrupt interface */ 129 int sc_intr_number; /* interrupt number */ 130 usbd_pipe_handle sc_intr_pipe; /* interrupt pipe */ 131 u_char *sc_intr_buf; /* interrupt buffer */ 132 int sc_isize; 133 134 u_char sc_dtr; /* current DTR state */ 135 u_char sc_rts; /* current RTS state */ 136 u_char sc_status; 137 138 u_char sc_lsr; /* Local status register */ 139 u_char sc_msr; /* uticom status register */ 140 141 struct device *sc_subdev; 142 u_char sc_dying; 143 }; 144 145 static usbd_status uticom_reset(struct uticom_softc *); 146 static usbd_status uticom_set_crtscts(struct uticom_softc *); 147 static void uticom_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 148 149 static void uticom_set(void *, int, int, int); 150 static void uticom_dtr(struct uticom_softc *, int); 151 static void uticom_rts(struct uticom_softc *, int); 152 static void uticom_break(struct uticom_softc *, int); 153 static void uticom_get_status(void *, int, u_char *, u_char *); 154 #if 0 /* TODO */ 155 static int uticom_ioctl(void *, int, u_long, caddr_t, int, usb_proc_ptr); 156 #endif 157 static int uticom_param(void *, int, struct termios *); 158 static int uticom_open(void *, int); 159 static void uticom_close(void *, int); 160 161 static int uticom_download_fw(struct uticom_softc *sc, int pipeno, 162 usbd_device_handle dev); 163 164 struct ucom_methods uticom_methods = { 165 uticom_get_status, 166 uticom_set, 167 uticom_param, 168 NULL, /* uticom_ioctl, TODO */ 169 uticom_open, 170 uticom_close, 171 NULL, 172 NULL 173 }; 174 175 int uticom_match(struct device *, void *, void *); 176 void uticom_attach(struct device *, struct device *, void *); 177 int uticom_detach(struct device *, int); 178 int uticom_activate(struct device *, enum devact); 179 180 struct cfdriver uticom_cd = { 181 NULL, "uticom", DV_DULL 182 }; 183 184 const struct cfattach uticom_ca = { 185 sizeof(struct uticom_softc), 186 uticom_match, 187 uticom_attach, 188 uticom_detach, 189 uticom_activate, 190 }; 191 192 int 193 uticom_match(struct device *parent, void *match, void *aux) 194 { 195 struct usb_attach_arg *uaa = aux; 196 197 if (uaa->iface != NULL) 198 return (UMATCH_NONE); 199 200 if (uaa->vendor == USB_VENDOR_TI && 201 uaa->product == USB_PRODUCT_TI_TUSB3410) 202 return (UMATCH_VENDOR_PRODUCT); 203 return (0); 204 } 205 206 void 207 uticom_attach(struct device *parent, struct device *self, void *aux) 208 { 209 struct uticom_softc *sc = (struct uticom_softc *)self; 210 struct usb_attach_arg *uaa = aux; 211 usbd_device_handle dev = uaa->device; 212 usbd_interface_handle iface; 213 usb_config_descriptor_t *cdesc; 214 usb_interface_descriptor_t *id; 215 usb_endpoint_descriptor_t *ed; 216 usbd_status err; 217 int status, i; 218 usb_device_descriptor_t *dd; 219 struct ucom_attach_args uca; 220 221 sc->sc_udev = dev; 222 sc->sc_iface = uaa->iface; 223 224 /* Initialize endpoints. */ 225 uca.bulkin = uca.bulkout = -1; 226 sc->sc_intr_number = -1; 227 sc->sc_intr_pipe = NULL; 228 229 dd = usbd_get_device_descriptor(dev); 230 DPRINTF(("%s: uticom_attach: num of configurations %d\n", 231 sc->sc_dev.dv_xname, dd->bNumConfigurations)); 232 233 /* The device without firmware has single configuration with single 234 * bulk out interface. */ 235 if (dd->bNumConfigurations > 1) 236 goto fwload_done; 237 238 /* Loading firmware. */ 239 DPRINTF(("%s: uticom_attach: starting loading firmware\n", 240 sc->sc_dev.dv_xname)); 241 242 err = usbd_set_config_index(dev, UTICOM_CONFIG_INDEX, 1); 243 if (err) { 244 printf("%s: failed to set configuration: %s\n", 245 sc->sc_dev.dv_xname, usbd_errstr(err)); 246 sc->sc_dying = 1; 247 return; 248 } 249 250 /* Get the config descriptor. */ 251 cdesc = usbd_get_config_descriptor(sc->sc_udev); 252 253 if (cdesc == NULL) { 254 printf("%s: failed to get configuration descriptor\n", 255 sc->sc_dev.dv_xname); 256 sc->sc_dying = 1; 257 return; 258 } 259 260 err = usbd_device2interface_handle(dev, UTICOM_IFACE_INDEX, 261 &sc->sc_iface); 262 if (err) { 263 printf("%s: failed to get interface: %s\n", 264 sc->sc_dev.dv_xname, usbd_errstr(err)); 265 sc->sc_dying = 1; 266 return; 267 } 268 269 /* Find the bulk out interface used to upload firmware. */ 270 id = usbd_get_interface_descriptor(sc->sc_iface); 271 sc->sc_iface_number = id->bInterfaceNumber; 272 273 for (i = 0; i < id->bNumEndpoints; i++) { 274 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 275 if (ed == NULL) { 276 printf("%s: no endpoint descriptor for %d\n", 277 sc->sc_dev.dv_xname, i); 278 sc->sc_dying = 1; 279 return; 280 } 281 282 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 283 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 284 uca.bulkout = ed->bEndpointAddress; 285 DPRINTF(("%s: uticom_attach: data bulk out num: %d\n", 286 sc->sc_dev.dv_xname, ed->bEndpointAddress)); 287 } 288 289 if (uca.bulkout == -1) { 290 printf("%s: could not find data bulk out\n", 291 sc->sc_dev.dv_xname); 292 sc->sc_dying = 1; 293 return; 294 } 295 } 296 297 status = uticom_download_fw(sc, uca.bulkout, dev); 298 299 if (status) { 300 printf("%s: firmware download failed\n", 301 sc->sc_dev.dv_xname); 302 sc->sc_dying = 1; 303 return; 304 } else { 305 printf("%s: firmware download succeeded\n", 306 sc->sc_dev.dv_xname); 307 } 308 309 status = usbd_reload_device_desc(dev); 310 if (status) { 311 printf("%s: error reloading device descriptor\n", 312 sc->sc_dev.dv_xname); 313 sc->sc_dying = 1; 314 return; 315 } 316 317 fwload_done: 318 dd = usbd_get_device_descriptor(dev); 319 DPRINTF(("%s: uticom_attach: num of configurations %d\n", 320 sc->sc_dev.dv_xname, dd->bNumConfigurations)); 321 322 err = usbd_set_config_index(dev, UTICOM_ACTIVE_INDEX, 1); 323 if (err) { 324 printf("%s: failed to set configuration: %s\n", 325 sc->sc_dev.dv_xname, usbd_errstr(err)); 326 sc->sc_dying = 1; 327 return; 328 } 329 330 /* Get the config descriptor. */ 331 cdesc = usbd_get_config_descriptor(sc->sc_udev); 332 if (cdesc == NULL) { 333 printf("%s: failed to get configuration descriptor\n", 334 sc->sc_dev.dv_xname); 335 sc->sc_dying = 1; 336 return; 337 } 338 339 /* Get the interface (XXX: multiport chips are not supported yet). */ 340 err = usbd_device2interface_handle(dev, UTICOM_IFACE_INDEX, 341 &sc->sc_iface); 342 if (err) { 343 printf("failed to get interface: %s\n", 344 sc->sc_dev.dv_xname, usbd_errstr(err)); 345 sc->sc_dying = 1; 346 return; 347 } 348 349 /* Find the interrupt endpoints. */ 350 id = usbd_get_interface_descriptor(sc->sc_iface); 351 sc->sc_iface_number = id->bInterfaceNumber; 352 353 for (i = 0; i < id->bNumEndpoints; i++) { 354 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 355 if (ed == NULL) { 356 printf("no endpoint descriptor for %d\n", 357 sc->sc_dev.dv_xname, i); 358 sc->sc_dying = 1; 359 return; 360 } 361 362 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 363 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 364 sc->sc_intr_number = ed->bEndpointAddress; 365 sc->sc_isize = UGETW(ed->wMaxPacketSize); 366 } 367 } 368 369 if (sc->sc_intr_number == -1) { 370 printf("%s: could not find interrupt in\n", 371 sc->sc_dev.dv_xname); 372 sc->sc_dying = 1; 373 return; 374 } 375 376 /* Keep interface for interrupt. */ 377 sc->sc_intr_iface = sc->sc_iface; 378 379 /* Find the bulk{in,out} endpoints. */ 380 id = usbd_get_interface_descriptor(sc->sc_iface); 381 sc->sc_iface_number = id->bInterfaceNumber; 382 383 for (i = 0; i < id->bNumEndpoints; i++) { 384 ed = usbd_interface2endpoint_descriptor(iface, i); 385 if (ed == NULL) { 386 printf("%s: no endpoint descriptor for %d\n", 387 sc->sc_dev.dv_xname, i); 388 sc->sc_dying = 1; 389 return; 390 } 391 392 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 393 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 394 uca.bulkin = ed->bEndpointAddress; 395 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 396 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 397 uca.bulkout = ed->bEndpointAddress; 398 } 399 } 400 401 if (uca.bulkin == -1) { 402 printf("%s: could not find data bulk in\n", 403 sc->sc_dev.dv_xname); 404 sc->sc_dying = 1; 405 return; 406 } 407 408 if (uca.bulkout == -1) { 409 printf("%s: could not find data bulk out\n", 410 sc->sc_dev.dv_xname); 411 sc->sc_dying = 1; 412 return; 413 } 414 415 sc->sc_dtr = sc->sc_rts = -1; 416 417 uca.portno = UCOM_UNK_PORTNO; 418 uca.ibufsize = UTICOM_IBUFSZ; 419 uca.obufsize = UTICOM_OBUFSZ; 420 uca.ibufsizepad = UTICOM_IBUFSZ; 421 uca.device = dev; 422 uca.iface = iface; 423 uca.opkthdrlen = 0; 424 uca.methods = &uticom_methods; 425 uca.arg = sc; 426 uca.info = NULL; 427 428 err = uticom_reset(sc); 429 if (err) { 430 printf("%s: reset failed: %s\n", 431 sc->sc_dev.dv_xname, usbd_errstr(err)); 432 sc->sc_dying = 1; 433 return; 434 } 435 436 DPRINTF(("%s: uticom_attach: in = 0x%x, out = 0x%x, intr = 0x%x\n", 437 sc->sc_dev.dv_xname, uca.bulkin, 438 uca.bulkout, sc->sc_intr_number)); 439 440 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); 441 } 442 443 int 444 uticom_activate(struct device *self, enum devact act) 445 { 446 struct uticom_softc *sc = (struct uticom_softc *)self; 447 int rv = 0; 448 449 switch (act) { 450 case DVACT_ACTIVATE: 451 break; 452 453 case DVACT_DEACTIVATE: 454 if (sc->sc_subdev != NULL) 455 rv = config_deactivate(sc->sc_subdev); 456 sc->sc_dying = 1; 457 break; 458 } 459 return (rv); 460 } 461 462 int 463 uticom_detach(struct device *self, int flags) 464 { 465 struct uticom_softc *sc = (struct uticom_softc *)self; 466 467 DPRINTF(("%s: uticom_detach: sc = %p\n", 468 sc->sc_dev.dv_xname, sc)); 469 sc->sc_dying = 1; 470 471 if (sc->sc_subdev != NULL) { 472 config_detach(sc->sc_subdev, flags); 473 sc->sc_subdev = NULL; 474 } 475 476 if (sc->sc_intr_pipe != NULL) { 477 usbd_abort_pipe(sc->sc_intr_pipe); 478 usbd_close_pipe(sc->sc_intr_pipe); 479 free(sc->sc_intr_buf, M_USBDEV); 480 sc->sc_intr_pipe = NULL; 481 } 482 483 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 484 &sc->sc_dev); 485 return (0); 486 } 487 488 static usbd_status 489 uticom_reset(struct uticom_softc *sc) 490 { 491 usb_device_request_t req; 492 usbd_status err; 493 494 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 495 req.bRequest = UTICOM_RQ_SON; 496 USETW(req.wValue, 0); 497 USETW(req.wIndex, 0); 498 USETW(req.wLength, 0); 499 500 err = usbd_do_request(sc->sc_udev, &req, NULL); 501 if (err){ 502 printf("%s: uticom_reset: %s\n", 503 sc->sc_dev.dv_xname, usbd_errstr(err)); 504 return (EIO); 505 } 506 507 DPRINTF(("%s: uticom_reset: done\n", sc->sc_dev.dv_xname)); 508 return (0); 509 } 510 511 static void 512 uticom_set(void *addr, int portno, int reg, int onoff) 513 { 514 struct uticom_softc *sc = addr; 515 516 switch (reg) { 517 case UCOM_SET_DTR: 518 uticom_dtr(sc, onoff); 519 break; 520 case UCOM_SET_RTS: 521 uticom_rts(sc, onoff); 522 break; 523 case UCOM_SET_BREAK: 524 uticom_break(sc, onoff); 525 break; 526 default: 527 break; 528 } 529 } 530 531 static void 532 uticom_dtr(struct uticom_softc *sc, int onoff) 533 { 534 usb_device_request_t req; 535 usbd_status err; 536 537 DPRINTF(("%s: uticom_dtr: onoff = %d\n", sc->sc_dev.dv_xname, 538 onoff)); 539 540 if (sc->sc_dtr == onoff) 541 return; 542 sc->sc_dtr = onoff; 543 544 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 545 req.bRequest = UTICOM_RQ_DTR; 546 USETW(req.wValue, sc->sc_dtr ? UCDC_LINE_DTR : 0); 547 USETW(req.wIndex, 0); 548 USETW(req.wLength, 0); 549 550 err = usbd_do_request(sc->sc_udev, &req, NULL); 551 if (err) 552 printf("%s: uticom_dtr: %s\n", 553 sc->sc_dev.dv_xname, usbd_errstr(err)); 554 } 555 556 static void 557 uticom_rts(struct uticom_softc *sc, int onoff) 558 { 559 usb_device_request_t req; 560 usbd_status err; 561 562 DPRINTF(("%s: uticom_rts: onoff = %d\n", sc->sc_dev.dv_xname, 563 onoff)); 564 565 if (sc->sc_rts == onoff) 566 return; 567 sc->sc_rts = onoff; 568 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 569 req.bRequest = UTICOM_RQ_RTS; 570 USETW(req.wValue, sc->sc_rts ? UCDC_LINE_RTS : 0); 571 USETW(req.wIndex, 0); 572 USETW(req.wLength, 0); 573 574 err = usbd_do_request(sc->sc_udev, &req, NULL); 575 if (err) 576 printf("%s: uticom_rts: %s\n", 577 sc->sc_dev.dv_xname, usbd_errstr(err)); 578 } 579 580 static void 581 uticom_break(struct uticom_softc *sc, int onoff) 582 { 583 usb_device_request_t req; 584 usbd_status err; 585 586 DPRINTF(("%s: uticom_break: onoff = %d\n", sc->sc_dev.dv_xname, 587 onoff)); 588 589 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 590 req.bRequest = UTICOM_RQ_BREAK; 591 USETW(req.wValue, onoff ? 1 : 0); 592 USETW(req.wIndex, 0); 593 USETW(req.wLength, 0); 594 595 err = usbd_do_request(sc->sc_udev, &req, NULL); 596 if (err) 597 printf("%s: uticom_break: %s\n", 598 sc->sc_dev.dv_xname, usbd_errstr(err)); 599 } 600 601 static usbd_status 602 uticom_set_crtscts(struct uticom_softc *sc) 603 { 604 usb_device_request_t req; 605 usbd_status err; 606 607 DPRINTF(("%s: uticom_set_crtscts: on\n", sc->sc_dev.dv_xname)); 608 609 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 610 req.bRequest = UTICOM_RQ_CRTSCTS; 611 USETW(req.wValue, 1); 612 USETW(req.wIndex, 0); 613 USETW(req.wLength, 0); 614 615 err = usbd_do_request(sc->sc_udev, &req, NULL); 616 if (err) { 617 printf("%s: uticom_set_crtscts: %s\n", 618 sc->sc_dev.dv_xname, usbd_errstr(err)); 619 return (err); 620 } 621 622 return (USBD_NORMAL_COMPLETION); 623 } 624 625 static int 626 uticom_param(void *vsc, int portno, struct termios *t) 627 { 628 struct uticom_softc *sc = (struct uticom_softc *)vsc; 629 usb_device_request_t req; 630 usbd_status err; 631 uint8_t data; 632 633 DPRINTF(("%s: uticom_param\n", sc->sc_dev.dv_xname)); 634 635 switch (t->c_ospeed) { 636 case 1200: 637 case 2400: 638 case 4800: 639 case 7200: 640 case 9600: 641 case 14400: 642 case 19200: 643 case 38400: 644 case 57600: 645 case 115200: 646 case 230400: 647 case 460800: 648 case 921600: 649 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 650 req.bRequest = UTICOM_RQ_BAUD; 651 USETW(req.wValue, (UTICOM_BRATE_REF / t->c_ospeed)); 652 USETW(req.wIndex, 0); 653 USETW(req.wLength, 0); 654 655 err = usbd_do_request(sc->sc_udev, &req, 0); 656 if (err) { 657 printf("%s: uticom_param: %s\n", 658 sc->sc_dev.dv_xname, usbd_errstr(err)); 659 return (EIO); 660 } 661 break; 662 default: 663 printf("%s: uticom_param: unsupported baud rate %d\n", 664 sc->sc_dev.dv_xname, t->c_ospeed); 665 return (EINVAL); 666 } 667 668 switch (ISSET(t->c_cflag, CSIZE)) { 669 case CS5: 670 data = UTICOM_SET_DATA_BITS(5); 671 break; 672 case CS6: 673 data = UTICOM_SET_DATA_BITS(6); 674 break; 675 case CS7: 676 data = UTICOM_SET_DATA_BITS(7); 677 break; 678 case CS8: 679 data = UTICOM_SET_DATA_BITS(8); 680 break; 681 default: 682 return (EIO); 683 } 684 685 if (ISSET(t->c_cflag, CSTOPB)) 686 data |= UTICOM_STOP_BITS_2; 687 else 688 data |= UTICOM_STOP_BITS_1; 689 690 if (ISSET(t->c_cflag, PARENB)) { 691 if (ISSET(t->c_cflag, PARODD)) 692 data |= UTICOM_PARITY_ODD; 693 else 694 data |= UTICOM_PARITY_EVEN; 695 } else 696 data |= UTICOM_PARITY_NONE; 697 698 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 699 req.bRequest = UTICOM_RQ_LCR; 700 USETW(req.wIndex, 0); 701 USETW(req.wLength, 0); 702 USETW(req.wValue, data); 703 704 err = usbd_do_request(sc->sc_udev, &req, NULL); 705 if (err) { 706 printf("%s: uticom_param: %s\n", 707 sc->sc_dev.dv_xname, usbd_errstr(err)); 708 return (err); 709 } 710 711 if (ISSET(t->c_cflag, CRTSCTS)) { 712 err = uticom_set_crtscts(sc); 713 if (err) 714 return (EIO); 715 } 716 717 return (0); 718 } 719 720 static int 721 uticom_open(void *addr, int portno) 722 { 723 struct uticom_softc *sc = addr; 724 usbd_status err; 725 726 if (sc->sc_dying) 727 return (ENXIO); 728 729 DPRINTF(("%s: uticom_open\n", sc->sc_dev.dv_xname)); 730 731 sc->sc_status = 0; /* clear status bit */ 732 733 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 734 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 735 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, 736 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, sc->sc_intr_buf, 737 sc->sc_isize, uticom_intr, UTICOM_INTR_INTERVAL); 738 if (err) { 739 printf("%s: cannot open interrupt pipe (addr %d)\n", 740 sc->sc_dev.dv_xname, sc->sc_intr_number); 741 return (EIO); 742 } 743 } 744 745 DPRINTF(("%s: uticom_open: port opened\n", sc->sc_dev.dv_xname)); 746 return (0); 747 } 748 749 static void 750 uticom_close(void *addr, int portno) 751 { 752 struct uticom_softc *sc = addr; 753 usb_device_request_t req; 754 usbd_status err; 755 756 if (sc->sc_dying) 757 return; 758 759 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 760 req.bRequest = UTICOM_RQ_SON; 761 USETW(req.wValue, 0); 762 USETW(req.wIndex, 0); 763 USETW(req.wLength, 0); 764 765 /* Try to reset UART part of chip. */ 766 err = usbd_do_request(sc->sc_udev, &req, NULL); 767 if (err) { 768 printf("%s: uticom_close: %s\n", 769 sc->sc_dev.dv_xname, usbd_errstr(err)); 770 return; 771 } 772 773 DPRINTF(("%s: uticom_close: close\n", sc->sc_dev.dv_xname)); 774 775 if (sc->sc_intr_pipe != NULL) { 776 err = usbd_abort_pipe(sc->sc_intr_pipe); 777 if (err) 778 printf("%s: abort interrupt pipe failed: %s\n", 779 sc->sc_dev.dv_xname, usbd_errstr(err)); 780 err = usbd_close_pipe(sc->sc_intr_pipe); 781 if (err) 782 printf("%s: close interrupt pipe failed: %s\n", 783 sc->sc_dev.dv_xname, usbd_errstr(err)); 784 free(sc->sc_intr_buf, M_USBDEV); 785 sc->sc_intr_pipe = NULL; 786 } 787 } 788 789 static void 790 uticom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 791 { 792 struct uticom_softc *sc = priv; 793 u_char *buf = sc->sc_intr_buf; 794 795 if (sc->sc_dying) 796 return; 797 798 if (status != USBD_NORMAL_COMPLETION) { 799 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 800 DPRINTF(("%s: uticom_intr: int status: %s\n", 801 sc->sc_dev.dv_xname, usbd_errstr(status))); 802 return; 803 } 804 805 DPRINTF(("%s: uticom_intr: abnormal status: %s\n", 806 sc->sc_dev.dv_xname, usbd_errstr(status))); 807 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 808 return; 809 } 810 811 if (!xfer->actlen) 812 return; 813 814 DPRINTF(("%s: xfer_length = %d\n", sc->sc_dev.dv_xname, 815 xfer->actlen)); 816 817 sc->sc_lsr = sc->sc_msr = 0; 818 819 if (buf[0] == 0) { 820 /* msr registers */ 821 if (buf[1] & UTICOM_MCR_CTS) 822 sc->sc_msr |= UMSR_CTS; 823 if (buf[1] & UTICOM_MCR_DSR) 824 sc->sc_msr |= UMSR_DSR; 825 if (buf[1] & UTICOM_MCR_CD) 826 sc->sc_msr |= UMSR_DCD; 827 if (buf[1] & UTICOM_MCR_RI) 828 sc->sc_msr |= UMSR_RI; 829 } else { 830 /* lsr registers */ 831 if (buf[0] & UTICOM_LCR_OVR) 832 sc->sc_lsr |= ULSR_OE; 833 if (buf[0] & UTICOM_LCR_PTE) 834 sc->sc_lsr |= ULSR_PE; 835 if (buf[0] & UTICOM_LCR_FRE) 836 sc->sc_lsr |= ULSR_FE; 837 if (buf[0] & UTICOM_LCR_BRK) 838 sc->sc_lsr |= ULSR_BI; 839 } 840 841 // if (uticomstickdsr) 842 // sc->sc_msr |= UMSR_DSR; 843 844 ucom_status_change((struct ucom_softc *)sc->sc_subdev); 845 } 846 847 static void 848 uticom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 849 { 850 #if 0 /* TODO */ 851 struct uticom_softc *sc = addr; 852 853 DPRINTF(("uticom_get_status:\n")); 854 855 if (lsr != NULL) 856 *lsr = sc->sc_lsr; 857 if (msr != NULL) 858 *msr = sc->sc_msr; 859 #endif 860 return; 861 } 862 863 #if 0 /* TODO */ 864 static int 865 uticom_ioctl(void *addr, int portno, u_long cmd, caddr_t data, int flag, 866 usb_proc_ptr p) 867 { 868 struct uticom_softc *sc = addr; 869 int error = 0; 870 871 if (sc->sc_ucom.sc_dying) 872 return (EIO); 873 874 DPRINTF(("uticom_ioctl: cmd = 0x%08lx\n", cmd)); 875 876 switch (cmd) { 877 case TIOCNOTTY: 878 case TIOCMGET: 879 case TIOCMSET: 880 case USB_GET_CM_OVER_DATA: 881 case USB_SET_CM_OVER_DATA: 882 break; 883 884 default: 885 DPRINTF(("uticom_ioctl: unknown\n")); 886 error = ENOTTY; 887 break; 888 } 889 890 return (error); 891 } 892 #endif 893 894 static int 895 uticom_download_fw(struct uticom_softc *sc, int pipeno, 896 usbd_device_handle dev) 897 { 898 u_char *obuf, *firmware; 899 size_t firmware_size; 900 int buffer_size, pos; 901 uint8_t cs = 0, *buffer; 902 usbd_status err; 903 struct uticom_fw_header *header; 904 usbd_xfer_handle oxfer = 0; 905 usbd_status error = 0; 906 usbd_pipe_handle pipe; 907 908 error = loadfirmware("tusb3410", &firmware, &firmware_size); 909 if (error) 910 return (error); 911 912 buffer_size = UTICOM_FW_BUFSZ + sizeof(struct uticom_fw_header); 913 buffer = malloc(buffer_size, M_USBDEV, M_WAITOK); 914 915 if (!buffer) { 916 printf("%s: uticom_download_fw: out of memory\n", 917 sc->sc_dev.dv_xname); 918 free(firmware, M_DEVBUF); 919 return ENOMEM; 920 } 921 922 memcpy(buffer, firmware, firmware_size); 923 memset(buffer + firmware_size, 0xff, buffer_size - firmware_size); 924 925 for (pos = sizeof(struct uticom_fw_header); pos < buffer_size; pos++) 926 cs = (uint8_t)(cs + buffer[pos]); 927 928 header = (struct uticom_fw_header*)buffer; 929 header->length = (uint16_t)(buffer_size - 930 sizeof(struct uticom_fw_header)); 931 header->checkSum = cs; 932 933 DPRINTF(("%s: downloading firmware ...\n", 934 sc->sc_dev.dv_xname)); 935 936 err = usbd_open_pipe(sc->sc_iface, pipeno, USBD_EXCLUSIVE_USE, 937 &pipe); 938 if (err) { 939 printf("%s: open bulk out error (addr %d): %s\n", 940 sc->sc_dev.dv_xname, pipeno, usbd_errstr(err)); 941 error = EIO; 942 goto finish; 943 } 944 945 oxfer = usbd_alloc_xfer(dev); 946 if (oxfer == NULL) { 947 error = ENOMEM; 948 goto finish; 949 } 950 951 obuf = usbd_alloc_buffer(oxfer, buffer_size); 952 if (obuf == NULL) { 953 error = ENOMEM; 954 goto finish; 955 } 956 957 memcpy(obuf, buffer, buffer_size); 958 959 usbd_setup_xfer(oxfer, pipe, (usbd_private_handle)sc, obuf, buffer_size, 960 USBD_NO_COPY || USBD_SYNCHRONOUS, USBD_NO_TIMEOUT, 0); 961 err = usbd_sync_transfer(oxfer); 962 963 if (err != USBD_NORMAL_COMPLETION) 964 printf("%s: uticom_download_fw: error: %s\n", 965 sc->sc_dev.dv_xname, usbd_errstr(err)); 966 967 finish: 968 free(firmware, M_DEVBUF); 969 usbd_free_buffer(oxfer); 970 usbd_free_xfer(oxfer); 971 oxfer = NULL; 972 usbd_abort_pipe(pipe); 973 usbd_close_pipe(pipe); 974 free(buffer, M_USBDEV); 975 return err; 976 } 977