1 /* $OpenBSD: uticom.c,v 1.18 2011/08/17 18:58:45 jasper 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 } __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 void uticom_attach_hook(void *arg); 162 163 static int uticom_download_fw(struct uticom_softc *sc, int pipeno, 164 usbd_device_handle dev); 165 166 struct ucom_methods uticom_methods = { 167 uticom_get_status, 168 uticom_set, 169 uticom_param, 170 NULL, /* uticom_ioctl, TODO */ 171 uticom_open, 172 uticom_close, 173 NULL, 174 NULL 175 }; 176 177 int uticom_match(struct device *, void *, void *); 178 void uticom_attach(struct device *, struct device *, void *); 179 int uticom_detach(struct device *, int); 180 int uticom_activate(struct device *, int); 181 182 struct cfdriver uticom_cd = { 183 NULL, "uticom", DV_DULL 184 }; 185 186 const struct cfattach uticom_ca = { 187 sizeof(struct uticom_softc), 188 uticom_match, 189 uticom_attach, 190 uticom_detach, 191 uticom_activate, 192 }; 193 194 static const struct usb_devno uticom_devs[] = { 195 { USB_VENDOR_TI, USB_PRODUCT_TI_TUSB3410 }, 196 { USB_VENDOR_TI, USB_PRODUCT_TI_MSP430_JTAG }, 197 { USB_VENDOR_STARTECH, USB_PRODUCT_STARTECH_ICUSB232X }, 198 { USB_VENDOR_MOXA, USB_PRODUCT_MOXA_UPORT1110 }, 199 { USB_VENDOR_ABBOTT, USB_PRODUCT_ABBOTT_STEREO_PLUG } 200 }; 201 202 int 203 uticom_match(struct device *parent, void *match, void *aux) 204 { 205 struct usb_attach_arg *uaa = aux; 206 207 if (uaa->iface != NULL) 208 return (UMATCH_NONE); 209 210 return (usb_lookup(uticom_devs, uaa->vendor, uaa->product) != NULL ? 211 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 212 } 213 214 void 215 uticom_attach(struct device *parent, struct device *self, void *aux) 216 { 217 struct uticom_softc *sc = (struct uticom_softc *)self; 218 struct usb_attach_arg *uaa = aux; 219 usbd_device_handle dev = uaa->device; 220 221 sc->sc_udev = dev; 222 sc->sc_iface = uaa->iface; 223 224 if (rootvp == NULL) 225 mountroothook_establish(uticom_attach_hook, sc); 226 else 227 uticom_attach_hook(sc); 228 } 229 230 void 231 uticom_attach_hook(void *arg) 232 { 233 struct uticom_softc *sc = arg; 234 usb_config_descriptor_t *cdesc; 235 usb_interface_descriptor_t *id; 236 usb_endpoint_descriptor_t *ed; 237 usbd_status err; 238 int status, i; 239 usb_device_descriptor_t *dd; 240 struct ucom_attach_args uca; 241 242 /* Initialize endpoints. */ 243 uca.bulkin = uca.bulkout = -1; 244 sc->sc_intr_number = -1; 245 sc->sc_intr_pipe = NULL; 246 247 dd = usbd_get_device_descriptor(sc->sc_udev); 248 DPRINTF(("%s: uticom_attach: num of configurations %d\n", 249 sc->sc_dev.dv_xname, dd->bNumConfigurations)); 250 251 /* The device without firmware has single configuration with single 252 * bulk out interface. */ 253 if (dd->bNumConfigurations > 1) 254 goto fwload_done; 255 256 /* Loading firmware. */ 257 DPRINTF(("%s: uticom_attach: starting loading firmware\n", 258 sc->sc_dev.dv_xname)); 259 260 err = usbd_set_config_index(sc->sc_udev, UTICOM_CONFIG_INDEX, 1); 261 if (err) { 262 printf("%s: failed to set configuration: %s\n", 263 sc->sc_dev.dv_xname, usbd_errstr(err)); 264 sc->sc_dying = 1; 265 return; 266 } 267 268 /* Get the config descriptor. */ 269 cdesc = usbd_get_config_descriptor(sc->sc_udev); 270 271 if (cdesc == NULL) { 272 printf("%s: failed to get configuration descriptor\n", 273 sc->sc_dev.dv_xname); 274 sc->sc_dying = 1; 275 return; 276 } 277 278 err = usbd_device2interface_handle(sc->sc_udev, UTICOM_IFACE_INDEX, 279 &sc->sc_iface); 280 if (err) { 281 printf("%s: failed to get interface: %s\n", 282 sc->sc_dev.dv_xname, usbd_errstr(err)); 283 sc->sc_dying = 1; 284 return; 285 } 286 287 /* Find the bulk out interface used to upload firmware. */ 288 id = usbd_get_interface_descriptor(sc->sc_iface); 289 sc->sc_iface_number = id->bInterfaceNumber; 290 291 for (i = 0; i < id->bNumEndpoints; i++) { 292 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 293 if (ed == NULL) { 294 printf("%s: no endpoint descriptor for %d\n", 295 sc->sc_dev.dv_xname, i); 296 sc->sc_dying = 1; 297 return; 298 } 299 300 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 301 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 302 uca.bulkout = ed->bEndpointAddress; 303 DPRINTF(("%s: uticom_attach: data bulk out num: %d\n", 304 sc->sc_dev.dv_xname, ed->bEndpointAddress)); 305 } 306 307 if (uca.bulkout == -1) { 308 printf("%s: could not find data bulk out\n", 309 sc->sc_dev.dv_xname); 310 sc->sc_dying = 1; 311 return; 312 } 313 } 314 315 status = uticom_download_fw(sc, uca.bulkout, sc->sc_udev); 316 317 if (status) { 318 printf("%s: firmware download failed\n", 319 sc->sc_dev.dv_xname); 320 sc->sc_dying = 1; 321 return; 322 } else { 323 DPRINTF(("%s: firmware download succeeded\n", 324 sc->sc_dev.dv_xname)); 325 } 326 327 status = usbd_reload_device_desc(sc->sc_udev); 328 if (status) { 329 printf("%s: error reloading device descriptor\n", 330 sc->sc_dev.dv_xname); 331 sc->sc_dying = 1; 332 return; 333 } 334 335 fwload_done: 336 dd = usbd_get_device_descriptor(sc->sc_udev); 337 DPRINTF(("%s: uticom_attach: num of configurations %d\n", 338 sc->sc_dev.dv_xname, dd->bNumConfigurations)); 339 340 err = usbd_set_config_index(sc->sc_udev, UTICOM_ACTIVE_INDEX, 1); 341 if (err) { 342 printf("%s: failed to set configuration: %s\n", 343 sc->sc_dev.dv_xname, usbd_errstr(err)); 344 sc->sc_dying = 1; 345 return; 346 } 347 348 /* Get the config descriptor. */ 349 cdesc = usbd_get_config_descriptor(sc->sc_udev); 350 if (cdesc == NULL) { 351 printf("%s: failed to get configuration descriptor\n", 352 sc->sc_dev.dv_xname); 353 sc->sc_dying = 1; 354 return; 355 } 356 357 /* Get the interface (XXX: multiport chips are not supported yet). */ 358 err = usbd_device2interface_handle(sc->sc_udev, UTICOM_IFACE_INDEX, 359 &sc->sc_iface); 360 if (err) { 361 printf("%s: failed to get interface: %s\n", 362 sc->sc_dev.dv_xname, usbd_errstr(err)); 363 sc->sc_dying = 1; 364 return; 365 } 366 367 /* Find the interrupt endpoints. */ 368 id = usbd_get_interface_descriptor(sc->sc_iface); 369 sc->sc_iface_number = id->bInterfaceNumber; 370 371 for (i = 0; i < id->bNumEndpoints; i++) { 372 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 373 if (ed == NULL) { 374 printf("%s: no endpoint descriptor for %d\n", 375 sc->sc_dev.dv_xname, i); 376 sc->sc_dying = 1; 377 return; 378 } 379 380 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 381 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 382 sc->sc_intr_number = ed->bEndpointAddress; 383 sc->sc_isize = UGETW(ed->wMaxPacketSize); 384 385 } 386 } 387 388 if (sc->sc_intr_number == -1) { 389 printf("%s: could not find interrupt in\n", 390 sc->sc_dev.dv_xname); 391 sc->sc_dying = 1; 392 return; 393 } 394 395 /* Keep interface for interrupt. */ 396 sc->sc_intr_iface = sc->sc_iface; 397 398 /* Find the bulk{in,out} endpoints. */ 399 id = usbd_get_interface_descriptor(sc->sc_iface); 400 sc->sc_iface_number = id->bInterfaceNumber; 401 402 for (i = 0; i < id->bNumEndpoints; i++) { 403 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 404 if (ed == NULL) { 405 printf("%s: no endpoint descriptor for %d\n", 406 sc->sc_dev.dv_xname, i); 407 sc->sc_dying = 1; 408 return; 409 } 410 411 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 412 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 413 uca.bulkin = ed->bEndpointAddress; 414 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 415 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 416 uca.bulkout = ed->bEndpointAddress; 417 } 418 } 419 420 if (uca.bulkin == -1) { 421 printf("%s: could not find data bulk in\n", 422 sc->sc_dev.dv_xname); 423 sc->sc_dying = 1; 424 return; 425 } 426 427 if (uca.bulkout == -1) { 428 printf("%s: could not find data bulk out\n", 429 sc->sc_dev.dv_xname); 430 sc->sc_dying = 1; 431 return; 432 } 433 434 sc->sc_dtr = sc->sc_rts = -1; 435 436 uca.portno = UCOM_UNK_PORTNO; 437 uca.ibufsize = UTICOM_IBUFSZ; 438 uca.obufsize = UTICOM_OBUFSZ; 439 uca.ibufsizepad = UTICOM_IBUFSZ; 440 uca.device = sc->sc_udev; 441 uca.iface = sc->sc_iface; 442 uca.opkthdrlen = 0; 443 uca.methods = &uticom_methods; 444 uca.arg = sc; 445 uca.info = NULL; 446 447 err = uticom_reset(sc); 448 if (err) { 449 printf("%s: reset failed: %s\n", 450 sc->sc_dev.dv_xname, usbd_errstr(err)); 451 sc->sc_dying = 1; 452 return; 453 } 454 455 DPRINTF(("%s: uticom_attach: in = 0x%x, out = 0x%x, intr = 0x%x\n", 456 sc->sc_dev.dv_xname, uca.bulkin, 457 uca.bulkout, sc->sc_intr_number)); 458 459 sc->sc_subdev = config_found_sm((struct device *)sc, &uca, ucomprint, ucomsubmatch); 460 } 461 462 int 463 uticom_activate(struct device *self, int act) 464 { 465 struct uticom_softc *sc = (struct uticom_softc *)self; 466 int rv = 0; 467 468 switch (act) { 469 case DVACT_DEACTIVATE: 470 if (sc->sc_subdev != NULL) 471 rv = config_deactivate(sc->sc_subdev); 472 sc->sc_dying = 1; 473 break; 474 } 475 return (rv); 476 } 477 478 int 479 uticom_detach(struct device *self, int flags) 480 { 481 struct uticom_softc *sc = (struct uticom_softc *)self; 482 483 DPRINTF(("%s: uticom_detach: sc = %p\n", 484 sc->sc_dev.dv_xname, sc)); 485 486 if (sc->sc_subdev != NULL) { 487 config_detach(sc->sc_subdev, flags); 488 sc->sc_subdev = NULL; 489 } 490 491 if (sc->sc_intr_pipe != NULL) { 492 usbd_abort_pipe(sc->sc_intr_pipe); 493 usbd_close_pipe(sc->sc_intr_pipe); 494 free(sc->sc_intr_buf, M_USBDEV); 495 sc->sc_intr_pipe = NULL; 496 } 497 498 return (0); 499 } 500 501 static usbd_status 502 uticom_reset(struct uticom_softc *sc) 503 { 504 usb_device_request_t req; 505 usbd_status err; 506 507 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 508 req.bRequest = UTICOM_RQ_SON; 509 USETW(req.wValue, 0); 510 USETW(req.wIndex, 0); 511 USETW(req.wLength, 0); 512 513 err = usbd_do_request(sc->sc_udev, &req, NULL); 514 if (err){ 515 printf("%s: uticom_reset: %s\n", 516 sc->sc_dev.dv_xname, usbd_errstr(err)); 517 return (EIO); 518 } 519 520 DPRINTF(("%s: uticom_reset: done\n", sc->sc_dev.dv_xname)); 521 return (0); 522 } 523 524 static void 525 uticom_set(void *addr, int portno, int reg, int onoff) 526 { 527 struct uticom_softc *sc = addr; 528 529 switch (reg) { 530 case UCOM_SET_DTR: 531 uticom_dtr(sc, onoff); 532 break; 533 case UCOM_SET_RTS: 534 uticom_rts(sc, onoff); 535 break; 536 case UCOM_SET_BREAK: 537 uticom_break(sc, onoff); 538 break; 539 default: 540 break; 541 } 542 } 543 544 static void 545 uticom_dtr(struct uticom_softc *sc, int onoff) 546 { 547 usb_device_request_t req; 548 usbd_status err; 549 550 DPRINTF(("%s: uticom_dtr: onoff = %d\n", sc->sc_dev.dv_xname, 551 onoff)); 552 553 if (sc->sc_dtr == onoff) 554 return; 555 sc->sc_dtr = onoff; 556 557 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 558 req.bRequest = UTICOM_RQ_DTR; 559 USETW(req.wValue, sc->sc_dtr ? UCDC_LINE_DTR : 0); 560 USETW(req.wIndex, 0); 561 USETW(req.wLength, 0); 562 563 err = usbd_do_request(sc->sc_udev, &req, NULL); 564 if (err) 565 printf("%s: uticom_dtr: %s\n", 566 sc->sc_dev.dv_xname, usbd_errstr(err)); 567 } 568 569 static void 570 uticom_rts(struct uticom_softc *sc, int onoff) 571 { 572 usb_device_request_t req; 573 usbd_status err; 574 575 DPRINTF(("%s: uticom_rts: onoff = %d\n", sc->sc_dev.dv_xname, 576 onoff)); 577 578 if (sc->sc_rts == onoff) 579 return; 580 sc->sc_rts = onoff; 581 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 582 req.bRequest = UTICOM_RQ_RTS; 583 USETW(req.wValue, sc->sc_rts ? UCDC_LINE_RTS : 0); 584 USETW(req.wIndex, 0); 585 USETW(req.wLength, 0); 586 587 err = usbd_do_request(sc->sc_udev, &req, NULL); 588 if (err) 589 printf("%s: uticom_rts: %s\n", 590 sc->sc_dev.dv_xname, usbd_errstr(err)); 591 } 592 593 static void 594 uticom_break(struct uticom_softc *sc, int onoff) 595 { 596 usb_device_request_t req; 597 usbd_status err; 598 599 DPRINTF(("%s: uticom_break: onoff = %d\n", sc->sc_dev.dv_xname, 600 onoff)); 601 602 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 603 req.bRequest = UTICOM_RQ_BREAK; 604 USETW(req.wValue, onoff ? 1 : 0); 605 USETW(req.wIndex, 0); 606 USETW(req.wLength, 0); 607 608 err = usbd_do_request(sc->sc_udev, &req, NULL); 609 if (err) 610 printf("%s: uticom_break: %s\n", 611 sc->sc_dev.dv_xname, usbd_errstr(err)); 612 } 613 614 static usbd_status 615 uticom_set_crtscts(struct uticom_softc *sc) 616 { 617 usb_device_request_t req; 618 usbd_status err; 619 620 DPRINTF(("%s: uticom_set_crtscts: on\n", sc->sc_dev.dv_xname)); 621 622 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 623 req.bRequest = UTICOM_RQ_CRTSCTS; 624 USETW(req.wValue, 1); 625 USETW(req.wIndex, 0); 626 USETW(req.wLength, 0); 627 628 err = usbd_do_request(sc->sc_udev, &req, NULL); 629 if (err) { 630 printf("%s: uticom_set_crtscts: %s\n", 631 sc->sc_dev.dv_xname, usbd_errstr(err)); 632 return (err); 633 } 634 635 return (USBD_NORMAL_COMPLETION); 636 } 637 638 static int 639 uticom_param(void *vsc, int portno, struct termios *t) 640 { 641 struct uticom_softc *sc = (struct uticom_softc *)vsc; 642 usb_device_request_t req; 643 usbd_status err; 644 uint8_t data; 645 646 DPRINTF(("%s: uticom_param\n", sc->sc_dev.dv_xname)); 647 648 switch (t->c_ospeed) { 649 case 1200: 650 case 2400: 651 case 4800: 652 case 7200: 653 case 9600: 654 case 14400: 655 case 19200: 656 case 38400: 657 case 57600: 658 case 115200: 659 case 230400: 660 case 460800: 661 case 921600: 662 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 663 req.bRequest = UTICOM_RQ_BAUD; 664 USETW(req.wValue, (UTICOM_BRATE_REF / t->c_ospeed)); 665 USETW(req.wIndex, 0); 666 USETW(req.wLength, 0); 667 668 err = usbd_do_request(sc->sc_udev, &req, 0); 669 if (err) { 670 printf("%s: uticom_param: %s\n", 671 sc->sc_dev.dv_xname, usbd_errstr(err)); 672 return (EIO); 673 } 674 break; 675 default: 676 printf("%s: uticom_param: unsupported baud rate %d\n", 677 sc->sc_dev.dv_xname, t->c_ospeed); 678 return (EINVAL); 679 } 680 681 switch (ISSET(t->c_cflag, CSIZE)) { 682 case CS5: 683 data = UTICOM_SET_DATA_BITS(5); 684 break; 685 case CS6: 686 data = UTICOM_SET_DATA_BITS(6); 687 break; 688 case CS7: 689 data = UTICOM_SET_DATA_BITS(7); 690 break; 691 case CS8: 692 data = UTICOM_SET_DATA_BITS(8); 693 break; 694 default: 695 return (EIO); 696 } 697 698 if (ISSET(t->c_cflag, CSTOPB)) 699 data |= UTICOM_STOP_BITS_2; 700 else 701 data |= UTICOM_STOP_BITS_1; 702 703 if (ISSET(t->c_cflag, PARENB)) { 704 if (ISSET(t->c_cflag, PARODD)) 705 data |= UTICOM_PARITY_ODD; 706 else 707 data |= UTICOM_PARITY_EVEN; 708 } else 709 data |= UTICOM_PARITY_NONE; 710 711 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 712 req.bRequest = UTICOM_RQ_LCR; 713 USETW(req.wIndex, 0); 714 USETW(req.wLength, 0); 715 USETW(req.wValue, data); 716 717 err = usbd_do_request(sc->sc_udev, &req, NULL); 718 if (err) { 719 printf("%s: uticom_param: %s\n", 720 sc->sc_dev.dv_xname, usbd_errstr(err)); 721 return (err); 722 } 723 724 if (ISSET(t->c_cflag, CRTSCTS)) { 725 err = uticom_set_crtscts(sc); 726 if (err) 727 return (EIO); 728 } 729 730 return (0); 731 } 732 733 static int 734 uticom_open(void *addr, int portno) 735 { 736 struct uticom_softc *sc = addr; 737 usbd_status err; 738 739 if (sc->sc_dying) 740 return (ENXIO); 741 742 DPRINTF(("%s: uticom_open\n", sc->sc_dev.dv_xname)); 743 744 sc->sc_status = 0; /* clear status bit */ 745 746 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 747 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 748 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, 749 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, sc->sc_intr_buf, 750 sc->sc_isize, uticom_intr, UTICOM_INTR_INTERVAL); 751 if (err) { 752 printf("%s: cannot open interrupt pipe (addr %d)\n", 753 sc->sc_dev.dv_xname, sc->sc_intr_number); 754 return (EIO); 755 } 756 } 757 758 DPRINTF(("%s: uticom_open: port opened\n", sc->sc_dev.dv_xname)); 759 return (0); 760 } 761 762 static void 763 uticom_close(void *addr, int portno) 764 { 765 struct uticom_softc *sc = addr; 766 usb_device_request_t req; 767 usbd_status err; 768 769 if (sc->sc_dying) 770 return; 771 772 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 773 req.bRequest = UTICOM_RQ_SON; 774 USETW(req.wValue, 0); 775 USETW(req.wIndex, 0); 776 USETW(req.wLength, 0); 777 778 /* Try to reset UART part of chip. */ 779 err = usbd_do_request(sc->sc_udev, &req, NULL); 780 if (err) { 781 printf("%s: uticom_close: %s\n", 782 sc->sc_dev.dv_xname, usbd_errstr(err)); 783 return; 784 } 785 786 DPRINTF(("%s: uticom_close: close\n", sc->sc_dev.dv_xname)); 787 788 if (sc->sc_intr_pipe != NULL) { 789 err = usbd_abort_pipe(sc->sc_intr_pipe); 790 if (err) 791 printf("%s: abort interrupt pipe failed: %s\n", 792 sc->sc_dev.dv_xname, usbd_errstr(err)); 793 err = usbd_close_pipe(sc->sc_intr_pipe); 794 if (err) 795 printf("%s: close interrupt pipe failed: %s\n", 796 sc->sc_dev.dv_xname, usbd_errstr(err)); 797 free(sc->sc_intr_buf, M_USBDEV); 798 sc->sc_intr_pipe = NULL; 799 } 800 } 801 802 static void 803 uticom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 804 { 805 struct uticom_softc *sc = priv; 806 u_char *buf = sc->sc_intr_buf; 807 808 if (sc->sc_dying) 809 return; 810 811 if (status != USBD_NORMAL_COMPLETION) { 812 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 813 DPRINTF(("%s: uticom_intr: int status: %s\n", 814 sc->sc_dev.dv_xname, usbd_errstr(status))); 815 return; 816 } 817 818 DPRINTF(("%s: uticom_intr: abnormal status: %s\n", 819 sc->sc_dev.dv_xname, usbd_errstr(status))); 820 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 821 return; 822 } 823 824 if (!xfer->actlen) 825 return; 826 827 DPRINTF(("%s: xfer_length = %d\n", sc->sc_dev.dv_xname, 828 xfer->actlen)); 829 830 sc->sc_lsr = sc->sc_msr = 0; 831 832 if (buf[0] == 0) { 833 /* msr registers */ 834 if (buf[1] & UTICOM_MCR_CTS) 835 sc->sc_msr |= UMSR_CTS; 836 if (buf[1] & UTICOM_MCR_DSR) 837 sc->sc_msr |= UMSR_DSR; 838 if (buf[1] & UTICOM_MCR_CD) 839 sc->sc_msr |= UMSR_DCD; 840 if (buf[1] & UTICOM_MCR_RI) 841 sc->sc_msr |= UMSR_RI; 842 } else { 843 /* lsr registers */ 844 if (buf[0] & UTICOM_LCR_OVR) 845 sc->sc_lsr |= ULSR_OE; 846 if (buf[0] & UTICOM_LCR_PTE) 847 sc->sc_lsr |= ULSR_PE; 848 if (buf[0] & UTICOM_LCR_FRE) 849 sc->sc_lsr |= ULSR_FE; 850 if (buf[0] & UTICOM_LCR_BRK) 851 sc->sc_lsr |= ULSR_BI; 852 } 853 854 // if (uticomstickdsr) 855 // sc->sc_msr |= UMSR_DSR; 856 857 ucom_status_change((struct ucom_softc *)sc->sc_subdev); 858 } 859 860 static void 861 uticom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 862 { 863 #if 0 /* TODO */ 864 struct uticom_softc *sc = addr; 865 866 DPRINTF(("uticom_get_status:\n")); 867 868 if (lsr != NULL) 869 *lsr = sc->sc_lsr; 870 if (msr != NULL) 871 *msr = sc->sc_msr; 872 #endif 873 return; 874 } 875 876 #if 0 /* TODO */ 877 static int 878 uticom_ioctl(void *addr, int portno, u_long cmd, caddr_t data, int flag, 879 usb_proc_ptr p) 880 { 881 struct uticom_softc *sc = addr; 882 int error = 0; 883 884 if (sc->sc_ucom.sc_dying) 885 return (EIO); 886 887 DPRINTF(("uticom_ioctl: cmd = 0x%08lx\n", cmd)); 888 889 switch (cmd) { 890 case TIOCNOTTY: 891 case TIOCMGET: 892 case TIOCMSET: 893 case USB_GET_CM_OVER_DATA: 894 case USB_SET_CM_OVER_DATA: 895 break; 896 897 default: 898 DPRINTF(("uticom_ioctl: unknown\n")); 899 error = ENOTTY; 900 break; 901 } 902 903 return (error); 904 } 905 #endif 906 907 static int 908 uticom_download_fw(struct uticom_softc *sc, int pipeno, 909 usbd_device_handle dev) 910 { 911 u_char *obuf, *firmware; 912 size_t firmware_size; 913 int buffer_size, pos; 914 uint8_t cs = 0, *buffer; 915 usbd_status err; 916 struct uticom_fw_header *header; 917 usbd_xfer_handle oxfer = 0; 918 usbd_status error = 0; 919 usbd_pipe_handle pipe; 920 921 error = loadfirmware("tusb3410", &firmware, &firmware_size); 922 if (error) 923 return (error); 924 925 buffer_size = UTICOM_FW_BUFSZ + sizeof(struct uticom_fw_header); 926 buffer = malloc(buffer_size, M_USBDEV, M_WAITOK | M_CANFAIL); 927 928 if (!buffer) { 929 printf("%s: uticom_download_fw: out of memory\n", 930 sc->sc_dev.dv_xname); 931 free(firmware, M_DEVBUF); 932 return ENOMEM; 933 } 934 935 memcpy(buffer, firmware, firmware_size); 936 memset(buffer + firmware_size, 0xff, buffer_size - firmware_size); 937 938 for (pos = sizeof(struct uticom_fw_header); pos < buffer_size; pos++) 939 cs = (uint8_t)(cs + buffer[pos]); 940 941 header = (struct uticom_fw_header*)buffer; 942 header->length = (uint16_t)(buffer_size - 943 sizeof(struct uticom_fw_header)); 944 header->checkSum = cs; 945 946 DPRINTF(("%s: downloading firmware ...\n", 947 sc->sc_dev.dv_xname)); 948 949 err = usbd_open_pipe(sc->sc_iface, pipeno, USBD_EXCLUSIVE_USE, 950 &pipe); 951 if (err) { 952 printf("%s: open bulk out error (addr %d): %s\n", 953 sc->sc_dev.dv_xname, pipeno, usbd_errstr(err)); 954 error = EIO; 955 goto finish; 956 } 957 958 oxfer = usbd_alloc_xfer(dev); 959 if (oxfer == NULL) { 960 error = ENOMEM; 961 goto finish; 962 } 963 964 obuf = usbd_alloc_buffer(oxfer, buffer_size); 965 if (obuf == NULL) { 966 error = ENOMEM; 967 goto finish; 968 } 969 970 memcpy(obuf, buffer, buffer_size); 971 972 usbd_setup_xfer(oxfer, pipe, (usbd_private_handle)sc, obuf, buffer_size, 973 USBD_NO_COPY | USBD_SYNCHRONOUS, USBD_NO_TIMEOUT, 0); 974 err = usbd_sync_transfer(oxfer); 975 976 if (err != USBD_NORMAL_COMPLETION) 977 printf("%s: uticom_download_fw: error: %s\n", 978 sc->sc_dev.dv_xname, usbd_errstr(err)); 979 980 finish: 981 free(firmware, M_DEVBUF); 982 usbd_free_buffer(oxfer); 983 usbd_free_xfer(oxfer); 984 oxfer = NULL; 985 usbd_abort_pipe(pipe); 986 usbd_close_pipe(pipe); 987 free(buffer, M_USBDEV); 988 return err; 989 } 990