1 /* $OpenBSD: uticom.c,v 1.36 2024/05/23 03:21:09 jsg 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/device.h> 30 #include <sys/malloc.h> 31 #include <sys/tty.h> 32 33 #include <machine/bus.h> 34 35 #include <dev/usb/usb.h> 36 #include <dev/usb/usbdi.h> 37 #include <dev/usb/usbdivar.h> 38 #include <dev/usb/usbdi_util.h> 39 #include <dev/usb/usbdevs.h> 40 #include <dev/usb/usbcdc.h> 41 42 #include <dev/usb/ucomvar.h> 43 44 #ifdef UTICOM_DEBUG 45 static int uticomdebug = 0; 46 #define DPRINTFN(n, x) do { if (uticomdebug > (n)) printf x; } while (0) 47 #else 48 #define DPRINTFN(n, x) 49 #endif 50 51 #define DPRINTF(x) DPRINTFN(0, x) 52 53 #define UTICOM_CONFIG_INDEX 1 54 #define UTICOM_ACTIVE_INDEX 2 55 56 #define UTICOM_IFACE_INDEX 0 57 58 /* 59 * These are the maximum number of bytes transferred per frame. 60 * The output buffer size cannot be increased due to the size encoding. 61 */ 62 #define UTICOM_IBUFSZ 64 63 #define UTICOM_OBUFSZ 64 64 65 #define UTICOM_FW_BUFSZ 16284 66 67 #define UTICOM_INTR_INTERVAL 100 /* ms */ 68 69 #define UTICOM_RQ_LINE 0 70 /* Used to sync data0/1-toggle on reopen bulk pipe. */ 71 #define UTICOM_RQ_SOF 1 72 #define UTICOM_RQ_SON 2 73 74 #define UTICOM_RQ_BAUD 3 75 #define UTICOM_RQ_LCR 4 76 #define UTICOM_RQ_FCR 5 77 #define UTICOM_RQ_RTS 6 78 #define UTICOM_RQ_DTR 7 79 #define UTICOM_RQ_BREAK 8 80 #define UTICOM_RQ_CRTSCTS 9 81 82 #define UTICOM_BRATE_REF 923077 83 84 #define UTICOM_SET_DATA_BITS(x) (x - 5) 85 86 #define UTICOM_STOP_BITS_1 0x00 87 #define UTICOM_STOP_BITS_2 0x40 88 89 #define UTICOM_PARITY_NONE 0x00 90 #define UTICOM_PARITY_ODD 0x08 91 #define UTICOM_PARITY_EVEN 0x18 92 93 #define UTICOM_LCR_OVR 0x1 94 #define UTICOM_LCR_PTE 0x2 95 #define UTICOM_LCR_FRE 0x4 96 #define UTICOM_LCR_BRK 0x8 97 98 #define UTICOM_MCR_CTS 0x1 99 #define UTICOM_MCR_DSR 0x2 100 #define UTICOM_MCR_CD 0x4 101 #define UTICOM_MCR_RI 0x8 102 103 /* Structures */ 104 struct uticom_fw_header { 105 uint16_t length; 106 uint8_t checkSum; 107 } __packed; 108 109 struct uticom_buf { 110 unsigned int buf_size; 111 char *buf_buf; 112 char *buf_get; 113 char *buf_put; 114 }; 115 116 struct uticom_softc { 117 struct device sc_dev; /* base device */ 118 struct usbd_device *sc_udev; /* device */ 119 struct usbd_interface *sc_iface; /* interface */ 120 121 struct usbd_interface *sc_intr_iface; /* interrupt interface */ 122 int sc_intr_number; /* interrupt number */ 123 struct usbd_pipe *sc_intr_pipe; /* interrupt pipe */ 124 u_char *sc_intr_buf; /* interrupt buffer */ 125 int sc_isize; 126 127 u_char sc_dtr; /* current DTR state */ 128 u_char sc_rts; /* current RTS state */ 129 u_char sc_status; 130 131 u_char sc_lsr; /* Local status register */ 132 u_char sc_msr; /* uticom status register */ 133 134 struct device *sc_subdev; 135 }; 136 137 static usbd_status uticom_reset(struct uticom_softc *); 138 static usbd_status uticom_set_crtscts(struct uticom_softc *); 139 static void uticom_intr(struct usbd_xfer *, void *, usbd_status); 140 141 static void uticom_set(void *, int, int, int); 142 static void uticom_dtr(struct uticom_softc *, int); 143 static void uticom_rts(struct uticom_softc *, int); 144 static void uticom_break(struct uticom_softc *, int); 145 static void uticom_get_status(void *, int, u_char *, u_char *); 146 static int uticom_param(void *, int, struct termios *); 147 static int uticom_open(void *, int); 148 static void uticom_close(void *, int); 149 150 void uticom_attach_hook(struct device *); 151 152 static int uticom_download_fw(struct uticom_softc *sc, int pipeno, 153 struct usbd_device *dev); 154 155 const struct ucom_methods uticom_methods = { 156 uticom_get_status, 157 uticom_set, 158 uticom_param, 159 NULL, 160 uticom_open, 161 uticom_close, 162 NULL, 163 NULL 164 }; 165 166 int uticom_match(struct device *, void *, void *); 167 void uticom_attach(struct device *, struct device *, void *); 168 int uticom_detach(struct device *, int); 169 170 struct cfdriver uticom_cd = { 171 NULL, "uticom", DV_DULL 172 }; 173 174 const struct cfattach uticom_ca = { 175 sizeof(struct uticom_softc), uticom_match, uticom_attach, uticom_detach 176 }; 177 178 static const struct usb_devno uticom_devs[] = { 179 { USB_VENDOR_TI, USB_PRODUCT_TI_TUSB3410 }, 180 { USB_VENDOR_TI, USB_PRODUCT_TI_MSP430_JTAG }, 181 { USB_VENDOR_STARTECH, USB_PRODUCT_STARTECH_ICUSB232X }, 182 { USB_VENDOR_MOXA, USB_PRODUCT_MOXA_UPORT1110 }, 183 { USB_VENDOR_ABBOTT, USB_PRODUCT_ABBOTT_STEREO_PLUG } 184 }; 185 186 int 187 uticom_match(struct device *parent, void *match, void *aux) 188 { 189 struct usb_attach_arg *uaa = aux; 190 191 if (uaa->iface != NULL) 192 return (UMATCH_NONE); 193 194 return (usb_lookup(uticom_devs, uaa->vendor, uaa->product) != NULL ? 195 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 196 } 197 198 void 199 uticom_attach(struct device *parent, struct device *self, void *aux) 200 { 201 struct uticom_softc *sc = (struct uticom_softc *)self; 202 struct usb_attach_arg *uaa = aux; 203 struct usbd_device *dev = uaa->device; 204 205 sc->sc_udev = dev; 206 sc->sc_iface = uaa->iface; 207 208 config_mountroot(self, uticom_attach_hook); 209 } 210 211 void 212 uticom_attach_hook(struct device *self) 213 { 214 struct uticom_softc *sc = (struct uticom_softc *)self; 215 usb_config_descriptor_t *cdesc; 216 usb_interface_descriptor_t *id; 217 usb_endpoint_descriptor_t *ed; 218 usbd_status err; 219 int status, i; 220 usb_device_descriptor_t *dd; 221 struct ucom_attach_args uca; 222 223 /* Initialize endpoints. */ 224 uca.bulkin = uca.bulkout = -1; 225 sc->sc_intr_number = -1; 226 sc->sc_intr_pipe = NULL; 227 228 dd = usbd_get_device_descriptor(sc->sc_udev); 229 DPRINTF(("%s: uticom_attach: num of configurations %d\n", 230 sc->sc_dev.dv_xname, dd->bNumConfigurations)); 231 232 /* The device without firmware has single configuration with single 233 * bulk out interface. */ 234 if (dd->bNumConfigurations > 1) 235 goto fwload_done; 236 237 /* Loading firmware. */ 238 DPRINTF(("%s: uticom_attach: starting loading firmware\n", 239 sc->sc_dev.dv_xname)); 240 241 err = usbd_set_config_index(sc->sc_udev, UTICOM_CONFIG_INDEX, 1); 242 if (err) { 243 printf("%s: failed to set configuration: %s\n", 244 sc->sc_dev.dv_xname, usbd_errstr(err)); 245 usbd_deactivate(sc->sc_udev); 246 return; 247 } 248 249 /* Get the config descriptor. */ 250 cdesc = usbd_get_config_descriptor(sc->sc_udev); 251 252 if (cdesc == NULL) { 253 printf("%s: failed to get configuration descriptor\n", 254 sc->sc_dev.dv_xname); 255 usbd_deactivate(sc->sc_udev); 256 return; 257 } 258 259 err = usbd_device2interface_handle(sc->sc_udev, UTICOM_IFACE_INDEX, 260 &sc->sc_iface); 261 if (err) { 262 printf("%s: failed to get interface: %s\n", 263 sc->sc_dev.dv_xname, usbd_errstr(err)); 264 usbd_deactivate(sc->sc_udev); 265 return; 266 } 267 268 /* Find the bulk out interface used to upload firmware. */ 269 id = usbd_get_interface_descriptor(sc->sc_iface); 270 271 for (i = 0; i < id->bNumEndpoints; i++) { 272 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 273 if (ed == NULL) { 274 printf("%s: no endpoint descriptor for %d\n", 275 sc->sc_dev.dv_xname, i); 276 usbd_deactivate(sc->sc_udev); 277 return; 278 } 279 280 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 281 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 282 uca.bulkout = ed->bEndpointAddress; 283 DPRINTF(("%s: uticom_attach: data bulk out num: %d\n", 284 sc->sc_dev.dv_xname, ed->bEndpointAddress)); 285 } 286 287 if (uca.bulkout == -1) { 288 printf("%s: could not find data bulk out\n", 289 sc->sc_dev.dv_xname); 290 usbd_deactivate(sc->sc_udev); 291 return; 292 } 293 } 294 295 status = uticom_download_fw(sc, uca.bulkout, sc->sc_udev); 296 297 if (status) { 298 printf("%s: firmware download failed\n", 299 sc->sc_dev.dv_xname); 300 usbd_deactivate(sc->sc_udev); 301 return; 302 } else { 303 DPRINTF(("%s: firmware download succeeded\n", 304 sc->sc_dev.dv_xname)); 305 } 306 307 status = usbd_reload_device_desc(sc->sc_udev); 308 if (status) { 309 printf("%s: error reloading device descriptor\n", 310 sc->sc_dev.dv_xname); 311 usbd_deactivate(sc->sc_udev); 312 return; 313 } 314 315 fwload_done: 316 dd = usbd_get_device_descriptor(sc->sc_udev); 317 DPRINTF(("%s: uticom_attach: num of configurations %d\n", 318 sc->sc_dev.dv_xname, dd->bNumConfigurations)); 319 320 err = usbd_set_config_index(sc->sc_udev, UTICOM_ACTIVE_INDEX, 1); 321 if (err) { 322 printf("%s: failed to set configuration: %s\n", 323 sc->sc_dev.dv_xname, usbd_errstr(err)); 324 usbd_deactivate(sc->sc_udev); 325 return; 326 } 327 328 /* Get the config descriptor. */ 329 cdesc = usbd_get_config_descriptor(sc->sc_udev); 330 if (cdesc == NULL) { 331 printf("%s: failed to get configuration descriptor\n", 332 sc->sc_dev.dv_xname); 333 usbd_deactivate(sc->sc_udev); 334 return; 335 } 336 337 /* Get the interface (XXX: multiport chips are not supported yet). */ 338 err = usbd_device2interface_handle(sc->sc_udev, UTICOM_IFACE_INDEX, 339 &sc->sc_iface); 340 if (err) { 341 printf("%s: failed to get interface: %s\n", 342 sc->sc_dev.dv_xname, usbd_errstr(err)); 343 usbd_deactivate(sc->sc_udev); 344 return; 345 } 346 347 /* Find the interrupt endpoints. */ 348 id = usbd_get_interface_descriptor(sc->sc_iface); 349 350 for (i = 0; i < id->bNumEndpoints; i++) { 351 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 352 if (ed == NULL) { 353 printf("%s: no endpoint descriptor for %d\n", 354 sc->sc_dev.dv_xname, i); 355 usbd_deactivate(sc->sc_udev); 356 return; 357 } 358 359 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 360 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 361 sc->sc_intr_number = ed->bEndpointAddress; 362 sc->sc_isize = UGETW(ed->wMaxPacketSize); 363 364 } 365 } 366 367 if (sc->sc_intr_number == -1) { 368 printf("%s: could not find interrupt in\n", 369 sc->sc_dev.dv_xname); 370 usbd_deactivate(sc->sc_udev); 371 return; 372 } 373 374 /* Keep interface for interrupt. */ 375 sc->sc_intr_iface = sc->sc_iface; 376 377 /* Find the bulk{in,out} endpoints. */ 378 id = usbd_get_interface_descriptor(sc->sc_iface); 379 380 for (i = 0; i < id->bNumEndpoints; i++) { 381 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 382 if (ed == NULL) { 383 printf("%s: no endpoint descriptor for %d\n", 384 sc->sc_dev.dv_xname, i); 385 usbd_deactivate(sc->sc_udev); 386 return; 387 } 388 389 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 390 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 391 uca.bulkin = ed->bEndpointAddress; 392 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 393 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 394 uca.bulkout = ed->bEndpointAddress; 395 } 396 } 397 398 if (uca.bulkin == -1) { 399 printf("%s: could not find data bulk in\n", 400 sc->sc_dev.dv_xname); 401 usbd_deactivate(sc->sc_udev); 402 return; 403 } 404 405 if (uca.bulkout == -1) { 406 printf("%s: could not find data bulk out\n", 407 sc->sc_dev.dv_xname); 408 usbd_deactivate(sc->sc_udev); 409 return; 410 } 411 412 sc->sc_dtr = sc->sc_rts = -1; 413 414 uca.portno = UCOM_UNK_PORTNO; 415 uca.ibufsize = UTICOM_IBUFSZ; 416 uca.obufsize = UTICOM_OBUFSZ; 417 uca.ibufsizepad = UTICOM_IBUFSZ; 418 uca.device = sc->sc_udev; 419 uca.iface = sc->sc_iface; 420 uca.opkthdrlen = 0; 421 uca.methods = &uticom_methods; 422 uca.arg = sc; 423 uca.info = NULL; 424 425 err = uticom_reset(sc); 426 if (err) { 427 printf("%s: reset failed: %s\n", 428 sc->sc_dev.dv_xname, usbd_errstr(err)); 429 usbd_deactivate(sc->sc_udev); 430 return; 431 } 432 433 DPRINTF(("%s: uticom_attach: in = 0x%x, out = 0x%x, intr = 0x%x\n", 434 sc->sc_dev.dv_xname, uca.bulkin, 435 uca.bulkout, sc->sc_intr_number)); 436 437 sc->sc_subdev = config_found_sm((struct device *)sc, &uca, ucomprint, ucomsubmatch); 438 } 439 440 int 441 uticom_detach(struct device *self, int flags) 442 { 443 struct uticom_softc *sc = (struct uticom_softc *)self; 444 445 DPRINTF(("%s: uticom_detach: sc = %p\n", 446 sc->sc_dev.dv_xname, sc)); 447 448 if (sc->sc_subdev != NULL) { 449 config_detach(sc->sc_subdev, flags); 450 sc->sc_subdev = NULL; 451 } 452 453 if (sc->sc_intr_pipe != NULL) { 454 usbd_close_pipe(sc->sc_intr_pipe); 455 free(sc->sc_intr_buf, M_USBDEV, sc->sc_isize); 456 sc->sc_intr_pipe = NULL; 457 } 458 459 return (0); 460 } 461 462 static usbd_status 463 uticom_reset(struct uticom_softc *sc) 464 { 465 usb_device_request_t req; 466 usbd_status err; 467 468 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 469 req.bRequest = UTICOM_RQ_SON; 470 USETW(req.wValue, 0); 471 USETW(req.wIndex, 0); 472 USETW(req.wLength, 0); 473 474 err = usbd_do_request(sc->sc_udev, &req, NULL); 475 if (err){ 476 printf("%s: uticom_reset: %s\n", 477 sc->sc_dev.dv_xname, usbd_errstr(err)); 478 return (EIO); 479 } 480 481 DPRINTF(("%s: uticom_reset: done\n", sc->sc_dev.dv_xname)); 482 return (0); 483 } 484 485 static void 486 uticom_set(void *addr, int portno, int reg, int onoff) 487 { 488 struct uticom_softc *sc = addr; 489 490 switch (reg) { 491 case UCOM_SET_DTR: 492 uticom_dtr(sc, onoff); 493 break; 494 case UCOM_SET_RTS: 495 uticom_rts(sc, onoff); 496 break; 497 case UCOM_SET_BREAK: 498 uticom_break(sc, onoff); 499 break; 500 default: 501 break; 502 } 503 } 504 505 static void 506 uticom_dtr(struct uticom_softc *sc, int onoff) 507 { 508 usb_device_request_t req; 509 usbd_status err; 510 511 DPRINTF(("%s: uticom_dtr: onoff = %d\n", sc->sc_dev.dv_xname, 512 onoff)); 513 514 if (sc->sc_dtr == onoff) 515 return; 516 sc->sc_dtr = onoff; 517 518 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 519 req.bRequest = UTICOM_RQ_DTR; 520 USETW(req.wValue, sc->sc_dtr ? UCDC_LINE_DTR : 0); 521 USETW(req.wIndex, 0); 522 USETW(req.wLength, 0); 523 524 err = usbd_do_request(sc->sc_udev, &req, NULL); 525 if (err) 526 printf("%s: uticom_dtr: %s\n", 527 sc->sc_dev.dv_xname, usbd_errstr(err)); 528 } 529 530 static void 531 uticom_rts(struct uticom_softc *sc, int onoff) 532 { 533 usb_device_request_t req; 534 usbd_status err; 535 536 DPRINTF(("%s: uticom_rts: onoff = %d\n", sc->sc_dev.dv_xname, 537 onoff)); 538 539 if (sc->sc_rts == onoff) 540 return; 541 sc->sc_rts = onoff; 542 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 543 req.bRequest = UTICOM_RQ_RTS; 544 USETW(req.wValue, sc->sc_rts ? UCDC_LINE_RTS : 0); 545 USETW(req.wIndex, 0); 546 USETW(req.wLength, 0); 547 548 err = usbd_do_request(sc->sc_udev, &req, NULL); 549 if (err) 550 printf("%s: uticom_rts: %s\n", 551 sc->sc_dev.dv_xname, usbd_errstr(err)); 552 } 553 554 static void 555 uticom_break(struct uticom_softc *sc, int onoff) 556 { 557 usb_device_request_t req; 558 usbd_status err; 559 560 DPRINTF(("%s: uticom_break: onoff = %d\n", sc->sc_dev.dv_xname, 561 onoff)); 562 563 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 564 req.bRequest = UTICOM_RQ_BREAK; 565 USETW(req.wValue, onoff ? 1 : 0); 566 USETW(req.wIndex, 0); 567 USETW(req.wLength, 0); 568 569 err = usbd_do_request(sc->sc_udev, &req, NULL); 570 if (err) 571 printf("%s: uticom_break: %s\n", 572 sc->sc_dev.dv_xname, usbd_errstr(err)); 573 } 574 575 static usbd_status 576 uticom_set_crtscts(struct uticom_softc *sc) 577 { 578 usb_device_request_t req; 579 usbd_status err; 580 581 DPRINTF(("%s: uticom_set_crtscts: on\n", sc->sc_dev.dv_xname)); 582 583 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 584 req.bRequest = UTICOM_RQ_CRTSCTS; 585 USETW(req.wValue, 1); 586 USETW(req.wIndex, 0); 587 USETW(req.wLength, 0); 588 589 err = usbd_do_request(sc->sc_udev, &req, NULL); 590 if (err) { 591 printf("%s: uticom_set_crtscts: %s\n", 592 sc->sc_dev.dv_xname, usbd_errstr(err)); 593 return (err); 594 } 595 596 return (USBD_NORMAL_COMPLETION); 597 } 598 599 static int 600 uticom_param(void *vsc, int portno, struct termios *t) 601 { 602 struct uticom_softc *sc = (struct uticom_softc *)vsc; 603 usb_device_request_t req; 604 usbd_status err; 605 uint8_t data; 606 607 DPRINTF(("%s: uticom_param\n", sc->sc_dev.dv_xname)); 608 609 switch (t->c_ospeed) { 610 case 1200: 611 case 2400: 612 case 4800: 613 case 7200: 614 case 9600: 615 case 14400: 616 case 19200: 617 case 38400: 618 case 57600: 619 case 115200: 620 case 230400: 621 case 460800: 622 case 921600: 623 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 624 req.bRequest = UTICOM_RQ_BAUD; 625 USETW(req.wValue, (UTICOM_BRATE_REF / t->c_ospeed)); 626 USETW(req.wIndex, 0); 627 USETW(req.wLength, 0); 628 629 err = usbd_do_request(sc->sc_udev, &req, 0); 630 if (err) { 631 printf("%s: uticom_param: %s\n", 632 sc->sc_dev.dv_xname, usbd_errstr(err)); 633 return (EIO); 634 } 635 break; 636 default: 637 printf("%s: uticom_param: unsupported baud rate %d\n", 638 sc->sc_dev.dv_xname, t->c_ospeed); 639 return (EINVAL); 640 } 641 642 switch (ISSET(t->c_cflag, CSIZE)) { 643 case CS5: 644 data = UTICOM_SET_DATA_BITS(5); 645 break; 646 case CS6: 647 data = UTICOM_SET_DATA_BITS(6); 648 break; 649 case CS7: 650 data = UTICOM_SET_DATA_BITS(7); 651 break; 652 case CS8: 653 data = UTICOM_SET_DATA_BITS(8); 654 break; 655 default: 656 return (EIO); 657 } 658 659 if (ISSET(t->c_cflag, CSTOPB)) 660 data |= UTICOM_STOP_BITS_2; 661 else 662 data |= UTICOM_STOP_BITS_1; 663 664 if (ISSET(t->c_cflag, PARENB)) { 665 if (ISSET(t->c_cflag, PARODD)) 666 data |= UTICOM_PARITY_ODD; 667 else 668 data |= UTICOM_PARITY_EVEN; 669 } else 670 data |= UTICOM_PARITY_NONE; 671 672 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 673 req.bRequest = UTICOM_RQ_LCR; 674 USETW(req.wIndex, 0); 675 USETW(req.wLength, 0); 676 USETW(req.wValue, data); 677 678 err = usbd_do_request(sc->sc_udev, &req, NULL); 679 if (err) { 680 printf("%s: uticom_param: %s\n", 681 sc->sc_dev.dv_xname, usbd_errstr(err)); 682 return (err); 683 } 684 685 if (ISSET(t->c_cflag, CRTSCTS)) { 686 err = uticom_set_crtscts(sc); 687 if (err) 688 return (EIO); 689 } 690 691 return (0); 692 } 693 694 static int 695 uticom_open(void *addr, int portno) 696 { 697 struct uticom_softc *sc = addr; 698 usbd_status err; 699 700 if (usbd_is_dying(sc->sc_udev)) 701 return (ENXIO); 702 703 DPRINTF(("%s: uticom_open\n", sc->sc_dev.dv_xname)); 704 705 sc->sc_status = 0; /* clear status bit */ 706 707 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 708 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 709 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, 710 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, sc->sc_intr_buf, 711 sc->sc_isize, uticom_intr, UTICOM_INTR_INTERVAL); 712 if (err) { 713 printf("%s: cannot open interrupt pipe (addr %d)\n", 714 sc->sc_dev.dv_xname, sc->sc_intr_number); 715 return (EIO); 716 } 717 } 718 719 DPRINTF(("%s: uticom_open: port opened\n", sc->sc_dev.dv_xname)); 720 return (0); 721 } 722 723 static void 724 uticom_close(void *addr, int portno) 725 { 726 struct uticom_softc *sc = addr; 727 usb_device_request_t req; 728 usbd_status err; 729 730 if (usbd_is_dying(sc->sc_udev)) 731 return; 732 733 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 734 req.bRequest = UTICOM_RQ_SON; 735 USETW(req.wValue, 0); 736 USETW(req.wIndex, 0); 737 USETW(req.wLength, 0); 738 739 /* Try to reset UART part of chip. */ 740 err = usbd_do_request(sc->sc_udev, &req, NULL); 741 if (err) { 742 printf("%s: uticom_close: %s\n", 743 sc->sc_dev.dv_xname, usbd_errstr(err)); 744 return; 745 } 746 747 DPRINTF(("%s: uticom_close: close\n", sc->sc_dev.dv_xname)); 748 749 if (sc->sc_intr_pipe != NULL) { 750 err = usbd_close_pipe(sc->sc_intr_pipe); 751 if (err) 752 printf("%s: close interrupt pipe failed: %s\n", 753 sc->sc_dev.dv_xname, usbd_errstr(err)); 754 free(sc->sc_intr_buf, M_USBDEV, sc->sc_isize); 755 sc->sc_intr_pipe = NULL; 756 } 757 } 758 759 static void 760 uticom_intr(struct usbd_xfer *xfer, void *priv, usbd_status status) 761 { 762 struct uticom_softc *sc = priv; 763 u_char *buf = sc->sc_intr_buf; 764 765 if (usbd_is_dying(sc->sc_udev)) 766 return; 767 768 if (status != USBD_NORMAL_COMPLETION) { 769 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 770 DPRINTF(("%s: uticom_intr: int status: %s\n", 771 sc->sc_dev.dv_xname, usbd_errstr(status))); 772 return; 773 } 774 775 DPRINTF(("%s: uticom_intr: abnormal status: %s\n", 776 sc->sc_dev.dv_xname, usbd_errstr(status))); 777 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 778 return; 779 } 780 781 if (!xfer->actlen) 782 return; 783 784 DPRINTF(("%s: xfer_length = %d\n", sc->sc_dev.dv_xname, 785 xfer->actlen)); 786 787 sc->sc_lsr = sc->sc_msr = 0; 788 789 if (buf[0] == 0) { 790 /* msr registers */ 791 if (buf[1] & UTICOM_MCR_CTS) 792 sc->sc_msr |= UMSR_CTS; 793 if (buf[1] & UTICOM_MCR_DSR) 794 sc->sc_msr |= UMSR_DSR; 795 if (buf[1] & UTICOM_MCR_CD) 796 sc->sc_msr |= UMSR_DCD; 797 if (buf[1] & UTICOM_MCR_RI) 798 sc->sc_msr |= UMSR_RI; 799 } else { 800 /* lsr registers */ 801 if (buf[0] & UTICOM_LCR_OVR) 802 sc->sc_lsr |= ULSR_OE; 803 if (buf[0] & UTICOM_LCR_PTE) 804 sc->sc_lsr |= ULSR_PE; 805 if (buf[0] & UTICOM_LCR_FRE) 806 sc->sc_lsr |= ULSR_FE; 807 if (buf[0] & UTICOM_LCR_BRK) 808 sc->sc_lsr |= ULSR_BI; 809 } 810 811 // if (uticomstickdsr) 812 // sc->sc_msr |= UMSR_DSR; 813 814 ucom_status_change((struct ucom_softc *)sc->sc_subdev); 815 } 816 817 static void 818 uticom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 819 { 820 #if 0 /* TODO */ 821 struct uticom_softc *sc = addr; 822 823 DPRINTF(("uticom_get_status:\n")); 824 825 if (lsr != NULL) 826 *lsr = sc->sc_lsr; 827 if (msr != NULL) 828 *msr = sc->sc_msr; 829 #endif 830 return; 831 } 832 833 static int 834 uticom_download_fw(struct uticom_softc *sc, int pipeno, 835 struct usbd_device *dev) 836 { 837 u_char *obuf, *firmware; 838 size_t firmware_size; 839 int buffer_size, pos; 840 uint8_t cs = 0, *buffer; 841 usbd_status err; 842 struct uticom_fw_header *header; 843 struct usbd_xfer *oxfer = 0; 844 usbd_status error = 0; 845 struct usbd_pipe *pipe; 846 847 error = loadfirmware("tusb3410", &firmware, &firmware_size); 848 if (error) 849 return (error); 850 851 buffer_size = UTICOM_FW_BUFSZ + sizeof(struct uticom_fw_header); 852 buffer = malloc(buffer_size, M_USBDEV, M_WAITOK | M_CANFAIL); 853 854 if (!buffer) { 855 printf("%s: uticom_download_fw: out of memory\n", 856 sc->sc_dev.dv_xname); 857 free(firmware, M_DEVBUF, firmware_size); 858 return ENOMEM; 859 } 860 861 memcpy(buffer, firmware, firmware_size); 862 memset(buffer + firmware_size, 0xff, buffer_size - firmware_size); 863 864 for (pos = sizeof(struct uticom_fw_header); pos < buffer_size; pos++) 865 cs = (uint8_t)(cs + buffer[pos]); 866 867 header = (struct uticom_fw_header*)buffer; 868 header->length = (uint16_t)(buffer_size - 869 sizeof(struct uticom_fw_header)); 870 header->checkSum = cs; 871 872 DPRINTF(("%s: downloading firmware ...\n", 873 sc->sc_dev.dv_xname)); 874 875 err = usbd_open_pipe(sc->sc_iface, pipeno, USBD_EXCLUSIVE_USE, 876 &pipe); 877 if (err) { 878 printf("%s: open bulk out error (addr %d): %s\n", 879 sc->sc_dev.dv_xname, pipeno, usbd_errstr(err)); 880 error = EIO; 881 goto finish; 882 } 883 884 oxfer = usbd_alloc_xfer(dev); 885 if (oxfer == NULL) { 886 error = ENOMEM; 887 goto finish; 888 } 889 890 obuf = usbd_alloc_buffer(oxfer, buffer_size); 891 if (obuf == NULL) { 892 error = ENOMEM; 893 goto finish; 894 } 895 896 memcpy(obuf, buffer, buffer_size); 897 898 usbd_setup_xfer(oxfer, pipe, (void *)sc, obuf, buffer_size, 899 USBD_NO_COPY | USBD_SYNCHRONOUS, USBD_NO_TIMEOUT, 0); 900 err = usbd_transfer(oxfer); 901 902 if (err != USBD_NORMAL_COMPLETION) 903 printf("%s: uticom_download_fw: error: %s\n", 904 sc->sc_dev.dv_xname, usbd_errstr(err)); 905 906 finish: 907 free(firmware, M_DEVBUF, firmware_size); 908 usbd_free_buffer(oxfer); 909 usbd_free_xfer(oxfer); 910 oxfer = NULL; 911 usbd_close_pipe(pipe); 912 free(buffer, M_USBDEV, buffer_size); 913 return err; 914 } 915