1 /* $OpenBSD: uvscom.c,v 1.19 2007/10/11 18:33:15 deraadt Exp $ */ 2 /* $NetBSD: uvscom.c,v 1.9 2003/02/12 15:36:20 ichiro Exp $ */ 3 /*- 4 * Copyright (c) 2001-2002, Shunsuke Akiyama <akiyama@jp.FreeBSD.org>. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD: src/sys/dev/usb/uvscom.c,v 1.1 2002/03/18 18:23:39 joe Exp $ 29 */ 30 31 /* 32 * uvscom: SUNTAC Slipper U VS-10U driver. 33 * Slipper U is a PC card to USB converter for data communication card 34 * adapter. It supports DDI Pocket's Air H" C@rd, C@rd H" 64, NTT's P-in, 35 * P-in m@ater and various data communication card adapters. 36 */ 37 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/kernel.h> 41 #include <sys/malloc.h> 42 #include <sys/fcntl.h> 43 #include <sys/conf.h> 44 #include <sys/tty.h> 45 #include <sys/file.h> 46 #include <sys/ioctl.h> 47 #include <sys/device.h> 48 #include <sys/proc.h> 49 #include <sys/vnode.h> 50 #include <sys/poll.h> 51 52 #include <dev/usb/usb.h> 53 #include <dev/usb/usbcdc.h> 54 55 #include <dev/usb/usbdi.h> 56 #include <dev/usb/usbdi_util.h> 57 #include <dev/usb/usbdevs.h> 58 #include <dev/usb/usb_quirks.h> 59 60 #include <dev/usb/ucomvar.h> 61 62 #ifdef UVSCOM_DEBUG 63 static int uvscomdebug = 1; 64 65 #define DPRINTFN(n, x) do { if (uvscomdebug > (n)) printf x; } while (0) 66 #else 67 #define DPRINTFN(n, x) 68 #endif 69 #define DPRINTF(x) DPRINTFN(0, x) 70 71 #define UVSCOM_CONFIG_INDEX 0 72 #define UVSCOM_IFACE_INDEX 0 73 74 #define UVSCOM_INTR_INTERVAL 100 /* mS */ 75 76 #define UVSCOM_UNIT_WAIT 5 77 78 /* Request */ 79 #define UVSCOM_SET_SPEED 0x10 80 #define UVSCOM_LINE_CTL 0x11 81 #define UVSCOM_SET_PARAM 0x12 82 #define UVSCOM_READ_STATUS 0xd0 83 #define UVSCOM_SHUTDOWN 0xe0 84 85 /* UVSCOM_SET_SPEED parameters */ 86 #define UVSCOM_SPEED_150BPS 0x00 87 #define UVSCOM_SPEED_300BPS 0x01 88 #define UVSCOM_SPEED_600BPS 0x02 89 #define UVSCOM_SPEED_1200BPS 0x03 90 #define UVSCOM_SPEED_2400BPS 0x04 91 #define UVSCOM_SPEED_4800BPS 0x05 92 #define UVSCOM_SPEED_9600BPS 0x06 93 #define UVSCOM_SPEED_19200BPS 0x07 94 #define UVSCOM_SPEED_38400BPS 0x08 95 #define UVSCOM_SPEED_57600BPS 0x09 96 #define UVSCOM_SPEED_115200BPS 0x0a 97 98 /* UVSCOM_LINE_CTL parameters */ 99 #define UVSCOM_BREAK 0x40 100 #define UVSCOM_RTS 0x02 101 #define UVSCOM_DTR 0x01 102 #define UVSCOM_LINE_INIT 0x08 103 104 /* UVSCOM_SET_PARAM parameters */ 105 #define UVSCOM_DATA_MASK 0x03 106 #define UVSCOM_DATA_BIT_8 0x03 107 #define UVSCOM_DATA_BIT_7 0x02 108 #define UVSCOM_DATA_BIT_6 0x01 109 #define UVSCOM_DATA_BIT_5 0x00 110 111 #define UVSCOM_STOP_MASK 0x04 112 #define UVSCOM_STOP_BIT_2 0x04 113 #define UVSCOM_STOP_BIT_1 0x00 114 115 #define UVSCOM_PARITY_MASK 0x18 116 #define UVSCOM_PARITY_EVEN 0x18 117 #if 0 118 #define UVSCOM_PARITY_UNK 0x10 119 #endif 120 #define UVSCOM_PARITY_ODD 0x08 121 #define UVSCOM_PARITY_NONE 0x00 122 123 /* Status bits */ 124 #define UVSCOM_TXRDY 0x04 125 #define UVSCOM_RXRDY 0x01 126 127 #define UVSCOM_DCD 0x08 128 #define UVSCOM_NOCARD 0x04 129 #define UVSCOM_DSR 0x02 130 #define UVSCOM_CTS 0x01 131 #define UVSCOM_USTAT_MASK (UVSCOM_NOCARD | UVSCOM_DSR | UVSCOM_CTS) 132 133 struct uvscom_softc { 134 struct device sc_dev; /* base device */ 135 usbd_device_handle sc_udev; /* USB device */ 136 usbd_interface_handle sc_iface; /* interface */ 137 int sc_iface_number;/* interface number */ 138 139 usbd_interface_handle sc_intr_iface; /* interrupt interface */ 140 int sc_intr_number; /* interrupt number */ 141 usbd_pipe_handle sc_intr_pipe; /* interrupt pipe */ 142 u_char *sc_intr_buf; /* interrupt buffer */ 143 int sc_isize; 144 145 u_char sc_dtr; /* current DTR state */ 146 u_char sc_rts; /* current RTS state */ 147 148 u_char sc_lsr; /* Local status register */ 149 u_char sc_msr; /* uvscom status register */ 150 151 uint16_t sc_lcr; /* Line control */ 152 u_char sc_usr; /* unit status */ 153 154 struct device *sc_subdev; /* ucom device */ 155 u_char sc_dying; /* disconnecting */ 156 }; 157 158 /* 159 * These are the maximum number of bytes transferred per frame. 160 * The output buffer size cannot be increased due to the size encoding. 161 */ 162 #define UVSCOMIBUFSIZE 512 163 #define UVSCOMOBUFSIZE 64 164 165 usbd_status uvscom_readstat(struct uvscom_softc *); 166 usbd_status uvscom_shutdown(struct uvscom_softc *); 167 usbd_status uvscom_reset(struct uvscom_softc *); 168 usbd_status uvscom_set_line_coding(struct uvscom_softc *, 169 uint16_t, uint16_t); 170 usbd_status uvscom_set_line(struct uvscom_softc *, uint16_t); 171 usbd_status uvscom_set_crtscts(struct uvscom_softc *); 172 void uvscom_get_status(void *, int, u_char *, u_char *); 173 void uvscom_dtr(struct uvscom_softc *, int); 174 void uvscom_rts(struct uvscom_softc *, int); 175 void uvscom_break(struct uvscom_softc *, int); 176 177 void uvscom_set(void *, int, int, int); 178 void uvscom_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 179 int uvscom_param(void *, int, struct termios *); 180 int uvscom_open(void *, int); 181 void uvscom_close(void *, int); 182 183 struct ucom_methods uvscom_methods = { 184 uvscom_get_status, 185 uvscom_set, 186 uvscom_param, 187 NULL, /* uvscom_ioctl, TODO */ 188 uvscom_open, 189 uvscom_close, 190 NULL, 191 NULL 192 }; 193 194 static const struct usb_devno uvscom_devs [] = { 195 /* SUNTAC U-Cable type A3 */ 196 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_AS64LX }, 197 /* SUNTAC U-Cable type A4 */ 198 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_AS144L4 }, 199 /* SUNTAC U-Cable type D2 */ 200 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_DS96L }, 201 /* SUNTAC U-Cable type P1 */ 202 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_PS64P1 }, 203 /* SUNTAC Slipper U */ 204 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_VS10U }, 205 /* SUNTAC Ir-Trinity */ 206 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_IS96U }, 207 }; 208 #define uvscom_lookup(v, p) usb_lookup(uvscom_devs, v, p) 209 210 int uvscom_match(struct device *, void *, void *); 211 void uvscom_attach(struct device *, struct device *, void *); 212 int uvscom_detach(struct device *, int); 213 int uvscom_activate(struct device *, enum devact); 214 215 struct cfdriver uvscom_cd = { 216 NULL, "uvscom", DV_DULL 217 }; 218 219 const struct cfattach uvscom_ca = { 220 sizeof(struct uvscom_softc), 221 uvscom_match, 222 uvscom_attach, 223 uvscom_detach, 224 uvscom_activate, 225 }; 226 227 int 228 uvscom_match(struct device *parent, void *match, void *aux) 229 { 230 struct usb_attach_arg *uaa = aux; 231 232 if (uaa->iface != NULL) 233 return (UMATCH_NONE); 234 235 return (uvscom_lookup(uaa->vendor, uaa->product) != NULL ? 236 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 237 } 238 239 void 240 uvscom_attach(struct device *parent, struct device *self, void *aux) 241 { 242 struct uvscom_softc *sc = (struct uvscom_softc *)self; 243 struct usb_attach_arg *uaa = aux; 244 usbd_device_handle dev = uaa->device; 245 usb_config_descriptor_t *cdesc; 246 usb_interface_descriptor_t *id; 247 usb_endpoint_descriptor_t *ed; 248 const char *devname = sc->sc_dev.dv_xname; 249 usbd_status err; 250 int i; 251 struct ucom_attach_args uca; 252 253 sc->sc_udev = dev; 254 255 DPRINTF(("uvscom attach: sc = %p\n", sc)); 256 257 /* initialize endpoints */ 258 uca.bulkin = uca.bulkout = -1; 259 sc->sc_intr_number = -1; 260 sc->sc_intr_pipe = NULL; 261 262 /* Move the device into the configured state. */ 263 err = usbd_set_config_index(dev, UVSCOM_CONFIG_INDEX, 1); 264 if (err) { 265 printf("%s: failed to set configuration, err=%s\n", 266 devname, usbd_errstr(err)); 267 sc->sc_dying = 1; 268 return; 269 } 270 271 /* get the config descriptor */ 272 cdesc = usbd_get_config_descriptor(sc->sc_udev); 273 274 if (cdesc == NULL) { 275 printf("%s: failed to get configuration descriptor\n", 276 sc->sc_dev.dv_xname); 277 sc->sc_dying = 1; 278 return; 279 } 280 281 /* get the common interface */ 282 err = usbd_device2interface_handle(dev, UVSCOM_IFACE_INDEX, 283 &sc->sc_iface); 284 if (err) { 285 printf("%s: failed to get interface, err=%s\n", 286 devname, usbd_errstr(err)); 287 sc->sc_dying = 1; 288 return; 289 } 290 291 id = usbd_get_interface_descriptor(sc->sc_iface); 292 sc->sc_iface_number = id->bInterfaceNumber; 293 294 /* Find endpoints */ 295 for (i = 0; i < id->bNumEndpoints; i++) { 296 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 297 if (ed == NULL) { 298 printf("%s: no endpoint descriptor for %d\n", 299 sc->sc_dev.dv_xname, i); 300 sc->sc_dying = 1; 301 return; 302 } 303 304 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 305 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 306 uca.bulkin = ed->bEndpointAddress; 307 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 308 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 309 uca.bulkout = ed->bEndpointAddress; 310 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 311 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 312 sc->sc_intr_number = ed->bEndpointAddress; 313 sc->sc_isize = UGETW(ed->wMaxPacketSize); 314 } 315 } 316 317 if (uca.bulkin == -1) { 318 printf("%s: Could not find data bulk in\n", 319 sc->sc_dev.dv_xname); 320 sc->sc_dying = 1; 321 return; 322 } 323 if (uca.bulkout == -1) { 324 printf("%s: Could not find data bulk out\n", 325 sc->sc_dev.dv_xname); 326 sc->sc_dying = 1; 327 return; 328 } 329 if (sc->sc_intr_number == -1) { 330 printf("%s: Could not find interrupt in\n", 331 sc->sc_dev.dv_xname); 332 sc->sc_dying = 1; 333 return; 334 } 335 336 sc->sc_dtr = sc->sc_rts = 0; 337 sc->sc_lcr = UVSCOM_LINE_INIT; 338 339 uca.portno = UCOM_UNK_PORTNO; 340 /* bulkin, bulkout set above */ 341 uca.ibufsize = UVSCOMIBUFSIZE; 342 uca.obufsize = UVSCOMOBUFSIZE; 343 uca.ibufsizepad = UVSCOMIBUFSIZE; 344 uca.opkthdrlen = 0; 345 uca.device = dev; 346 uca.iface = sc->sc_iface; 347 uca.methods = &uvscom_methods; 348 uca.arg = sc; 349 uca.info = NULL; 350 351 err = uvscom_reset(sc); 352 353 if (err) { 354 printf("%s: reset failed, %s\n", sc->sc_dev.dv_xname, 355 usbd_errstr(err)); 356 sc->sc_dying = 1; 357 return; 358 } 359 360 DPRINTF(("uvscom: in = 0x%x out = 0x%x intr = 0x%x\n", 361 ucom->sc_bulkin_no, ucom->sc_bulkout_no, sc->sc_intr_number)); 362 363 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 364 &sc->sc_dev); 365 366 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 367 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 368 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); 369 } 370 371 int 372 uvscom_detach(struct device *self, int flags) 373 { 374 struct uvscom_softc *sc = (struct uvscom_softc *)self; 375 int rv = 0; 376 377 DPRINTF(("uvscom_detach: sc = %p\n", sc)); 378 379 sc->sc_dying = 1; 380 381 if (sc->sc_intr_pipe != NULL) { 382 usbd_abort_pipe(sc->sc_intr_pipe); 383 usbd_close_pipe(sc->sc_intr_pipe); 384 free(sc->sc_intr_buf, M_USBDEV); 385 sc->sc_intr_pipe = NULL; 386 } 387 388 sc->sc_dying = 1; 389 if (sc->sc_subdev != NULL) { 390 rv = config_detach(sc->sc_subdev, flags); 391 sc->sc_subdev = NULL; 392 } 393 394 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 395 &sc->sc_dev); 396 397 return (rv); 398 } 399 400 int 401 uvscom_activate(struct device *self, enum devact act) 402 { 403 struct uvscom_softc *sc = (struct uvscom_softc *)self; 404 int rv = 0; 405 406 switch (act) { 407 case DVACT_ACTIVATE: 408 break; 409 410 case DVACT_DEACTIVATE: 411 if (sc->sc_subdev != NULL) 412 rv = config_deactivate(sc->sc_subdev); 413 sc->sc_dying = 1; 414 break; 415 } 416 return (rv); 417 } 418 419 usbd_status 420 uvscom_readstat(struct uvscom_softc *sc) 421 { 422 usb_device_request_t req; 423 usbd_status err; 424 uint16_t r; 425 426 DPRINTF(("%s: send readstat\n", sc->sc_dev.dv_xname)); 427 428 req.bmRequestType = UT_READ_VENDOR_DEVICE; 429 req.bRequest = UVSCOM_READ_STATUS; 430 USETW(req.wValue, 0); 431 USETW(req.wIndex, 0); 432 USETW(req.wLength, 2); 433 434 err = usbd_do_request(sc->sc_udev, &req, &r); 435 if (err) { 436 printf("%s: uvscom_readstat: %s\n", 437 sc->sc_dev.dv_xname, usbd_errstr(err)); 438 return (err); 439 } 440 441 DPRINTF(("%s: uvscom_readstat: r = %d\n", 442 sc->sc_dev.dv_xname, r)); 443 444 return (USBD_NORMAL_COMPLETION); 445 } 446 447 usbd_status 448 uvscom_shutdown(struct uvscom_softc *sc) 449 { 450 usb_device_request_t req; 451 usbd_status err; 452 453 DPRINTF(("%s: send shutdown\n", sc->sc_dev.dv_xname)); 454 455 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 456 req.bRequest = UVSCOM_SHUTDOWN; 457 USETW(req.wValue, 0); 458 USETW(req.wIndex, 0); 459 USETW(req.wLength, 0); 460 461 err = usbd_do_request(sc->sc_udev, &req, NULL); 462 if (err) { 463 printf("%s: uvscom_shutdown: %s\n", 464 sc->sc_dev.dv_xname, usbd_errstr(err)); 465 return (err); 466 } 467 468 return (USBD_NORMAL_COMPLETION); 469 } 470 471 usbd_status 472 uvscom_reset(struct uvscom_softc *sc) 473 { 474 DPRINTF(("%s: uvscom_reset\n", sc->sc_dev.dv_xname)); 475 476 return (USBD_NORMAL_COMPLETION); 477 } 478 479 usbd_status 480 uvscom_set_crtscts(struct uvscom_softc *sc) 481 { 482 DPRINTF(("%s: uvscom_set_crtscts\n", sc->sc_dev.dv_xname)); 483 484 return (USBD_NORMAL_COMPLETION); 485 } 486 487 usbd_status 488 uvscom_set_line(struct uvscom_softc *sc, uint16_t line) 489 { 490 usb_device_request_t req; 491 usbd_status err; 492 493 DPRINTF(("%s: uvscom_set_line: %04x\n", 494 sc->sc_dev.dv_xname, line)); 495 496 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 497 req.bRequest = UVSCOM_LINE_CTL; 498 USETW(req.wValue, line); 499 USETW(req.wIndex, 0); 500 USETW(req.wLength, 0); 501 502 err = usbd_do_request(sc->sc_udev, &req, NULL); 503 if (err) { 504 printf("%s: uvscom_set_line: %s\n", 505 sc->sc_dev.dv_xname, usbd_errstr(err)); 506 return (err); 507 } 508 509 return (USBD_NORMAL_COMPLETION); 510 } 511 512 usbd_status 513 uvscom_set_line_coding(struct uvscom_softc *sc, uint16_t lsp, uint16_t ls) 514 { 515 usb_device_request_t req; 516 usbd_status err; 517 518 DPRINTF(("%s: uvscom_set_line_coding: %02x %02x\n", 519 sc->sc_dev.dv_xname, lsp, ls)); 520 521 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 522 req.bRequest = UVSCOM_SET_SPEED; 523 USETW(req.wValue, lsp); 524 USETW(req.wIndex, 0); 525 USETW(req.wLength, 0); 526 527 err = usbd_do_request(sc->sc_udev, &req, NULL); 528 if (err) { 529 printf("%s: uvscom_set_line_coding: %s\n", 530 sc->sc_dev.dv_xname, usbd_errstr(err)); 531 return (err); 532 } 533 534 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 535 req.bRequest = UVSCOM_SET_PARAM; 536 USETW(req.wValue, ls); 537 USETW(req.wIndex, 0); 538 USETW(req.wLength, 0); 539 540 err = usbd_do_request(sc->sc_udev, &req, NULL); 541 if (err) { 542 printf("%s: uvscom_set_line_coding: %s\n", 543 sc->sc_dev.dv_xname, usbd_errstr(err)); 544 return (err); 545 } 546 547 return (USBD_NORMAL_COMPLETION); 548 } 549 550 void 551 uvscom_dtr(struct uvscom_softc *sc, int onoff) 552 { 553 DPRINTF(("%s: uvscom_dtr: onoff = %d\n", 554 sc->sc_dev.dv_xname, onoff)); 555 556 if (sc->sc_dtr == onoff) 557 return; /* no change */ 558 559 sc->sc_dtr = onoff; 560 561 if (onoff) 562 SET(sc->sc_lcr, UVSCOM_DTR); 563 else 564 CLR(sc->sc_lcr, UVSCOM_DTR); 565 566 uvscom_set_line(sc, sc->sc_lcr); 567 } 568 569 void 570 uvscom_rts(struct uvscom_softc *sc, int onoff) 571 { 572 DPRINTF(("%s: uvscom_rts: onoff = %d\n", 573 sc->sc_dev.dv_xname, onoff)); 574 575 if (sc->sc_rts == onoff) 576 return; /* no change */ 577 578 sc->sc_rts = onoff; 579 580 if (onoff) 581 SET(sc->sc_lcr, UVSCOM_RTS); 582 else 583 CLR(sc->sc_lcr, UVSCOM_RTS); 584 585 uvscom_set_line(sc, sc->sc_lcr); 586 } 587 588 void 589 uvscom_break(struct uvscom_softc *sc, int onoff) 590 { 591 DPRINTF(("%s: uvscom_break: onoff = %d\n", 592 sc->sc_dev.dv_xname, onoff)); 593 594 if (onoff) 595 uvscom_set_line(sc, SET(sc->sc_lcr, UVSCOM_BREAK)); 596 } 597 598 void 599 uvscom_set(void *addr, int portno, int reg, int onoff) 600 { 601 struct uvscom_softc *sc = addr; 602 603 switch (reg) { 604 case UCOM_SET_DTR: 605 uvscom_dtr(sc, onoff); 606 break; 607 case UCOM_SET_RTS: 608 uvscom_rts(sc, onoff); 609 break; 610 case UCOM_SET_BREAK: 611 uvscom_break(sc, onoff); 612 break; 613 default: 614 break; 615 } 616 } 617 618 int 619 uvscom_param(void *addr, int portno, struct termios *t) 620 { 621 struct uvscom_softc *sc = addr; 622 usbd_status err; 623 uint16_t lsp; 624 uint16_t ls; 625 626 DPRINTF(("%s: uvscom_param: sc = %p\n", 627 sc->sc_dev.dv_xname, sc)); 628 629 ls = 0; 630 631 switch (t->c_ospeed) { 632 case B150: 633 lsp = UVSCOM_SPEED_150BPS; 634 break; 635 case B300: 636 lsp = UVSCOM_SPEED_300BPS; 637 break; 638 case B600: 639 lsp = UVSCOM_SPEED_600BPS; 640 break; 641 case B1200: 642 lsp = UVSCOM_SPEED_1200BPS; 643 break; 644 case B2400: 645 lsp = UVSCOM_SPEED_2400BPS; 646 break; 647 case B4800: 648 lsp = UVSCOM_SPEED_4800BPS; 649 break; 650 case B9600: 651 lsp = UVSCOM_SPEED_9600BPS; 652 break; 653 case B19200: 654 lsp = UVSCOM_SPEED_19200BPS; 655 break; 656 case B38400: 657 lsp = UVSCOM_SPEED_38400BPS; 658 break; 659 case B57600: 660 lsp = UVSCOM_SPEED_57600BPS; 661 break; 662 case B115200: 663 lsp = UVSCOM_SPEED_115200BPS; 664 break; 665 default: 666 return (EIO); 667 } 668 669 if (ISSET(t->c_cflag, CSTOPB)) 670 SET(ls, UVSCOM_STOP_BIT_2); 671 else 672 SET(ls, UVSCOM_STOP_BIT_1); 673 674 if (ISSET(t->c_cflag, PARENB)) { 675 if (ISSET(t->c_cflag, PARODD)) 676 SET(ls, UVSCOM_PARITY_ODD); 677 else 678 SET(ls, UVSCOM_PARITY_EVEN); 679 } else 680 SET(ls, UVSCOM_PARITY_NONE); 681 682 switch (ISSET(t->c_cflag, CSIZE)) { 683 case CS5: 684 SET(ls, UVSCOM_DATA_BIT_5); 685 break; 686 case CS6: 687 SET(ls, UVSCOM_DATA_BIT_6); 688 break; 689 case CS7: 690 SET(ls, UVSCOM_DATA_BIT_7); 691 break; 692 case CS8: 693 SET(ls, UVSCOM_DATA_BIT_8); 694 break; 695 default: 696 return (EIO); 697 } 698 699 err = uvscom_set_line_coding(sc, lsp, ls); 700 if (err) 701 return (EIO); 702 703 if (ISSET(t->c_cflag, CRTSCTS)) { 704 err = uvscom_set_crtscts(sc); 705 if (err) 706 return (EIO); 707 } 708 709 return (0); 710 } 711 712 int 713 uvscom_open(void *addr, int portno) 714 { 715 struct uvscom_softc *sc = addr; 716 int err; 717 int i; 718 719 if (sc->sc_dying) 720 return (EIO); 721 722 DPRINTF(("uvscom_open: sc = %p\n", sc)); 723 724 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 725 DPRINTF(("uvscom_open: open interrupt pipe.\n")); 726 727 sc->sc_usr = 0; /* clear unit status */ 728 729 err = uvscom_readstat(sc); 730 if (err) { 731 DPRINTF(("%s: uvscom_open: readstat faild\n", 732 sc->sc_dev.dv_xname)); 733 return (EIO); 734 } 735 736 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 737 err = usbd_open_pipe_intr(sc->sc_iface, 738 sc->sc_intr_number, 739 USBD_SHORT_XFER_OK, 740 &sc->sc_intr_pipe, 741 sc, 742 sc->sc_intr_buf, 743 sc->sc_isize, 744 uvscom_intr, 745 UVSCOM_INTR_INTERVAL); 746 if (err) { 747 printf("%s: cannot open interrupt pipe (addr %d)\n", 748 sc->sc_dev.dv_xname, 749 sc->sc_intr_number); 750 return (EIO); 751 } 752 } else { 753 DPRINTF(("uvscom_open: did not open interrupt pipe.\n")); 754 } 755 756 if ((sc->sc_usr & UVSCOM_USTAT_MASK) == 0) { 757 /* unit is not ready */ 758 759 for (i = UVSCOM_UNIT_WAIT; i > 0; --i) { 760 tsleep(&err, TTIPRI, "uvsop", hz); /* XXX */ 761 if (ISSET(sc->sc_usr, UVSCOM_USTAT_MASK)) 762 break; 763 } 764 if (i == 0) { 765 DPRINTF(("%s: unit is not ready\n", 766 sc->sc_dev.dv_xname)); 767 return (EIO); 768 } 769 770 /* check PC card was inserted */ 771 if (ISSET(sc->sc_usr, UVSCOM_NOCARD)) { 772 DPRINTF(("%s: no card\n", 773 sc->sc_dev.dv_xname)); 774 return (EIO); 775 } 776 } 777 778 return (0); 779 } 780 781 void 782 uvscom_close(void *addr, int portno) 783 { 784 struct uvscom_softc *sc = addr; 785 int err; 786 787 if (sc->sc_dying) 788 return; 789 790 DPRINTF(("uvscom_close: close\n")); 791 792 uvscom_shutdown(sc); 793 794 if (sc->sc_intr_pipe != NULL) { 795 err = usbd_abort_pipe(sc->sc_intr_pipe); 796 if (err) 797 printf("%s: abort interrupt pipe failed: %s\n", 798 sc->sc_dev.dv_xname, 799 usbd_errstr(err)); 800 err = usbd_close_pipe(sc->sc_intr_pipe); 801 if (err) 802 printf("%s: close interrupt pipe failed: %s\n", 803 sc->sc_dev.dv_xname, 804 usbd_errstr(err)); 805 free(sc->sc_intr_buf, M_USBDEV); 806 sc->sc_intr_pipe = NULL; 807 } 808 } 809 810 void 811 uvscom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 812 { 813 struct uvscom_softc *sc = priv; 814 u_char *buf = sc->sc_intr_buf; 815 u_char pstatus; 816 817 if (sc->sc_dying) 818 return; 819 820 if (status != USBD_NORMAL_COMPLETION) { 821 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 822 return; 823 824 printf("%s: uvscom_intr: abnormal status: %s\n", 825 sc->sc_dev.dv_xname, 826 usbd_errstr(status)); 827 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 828 return; 829 } 830 831 DPRINTFN(2, ("%s: uvscom status = %02x %02x\n", 832 sc->sc_dev.dv_xname, buf[0], buf[1])); 833 834 sc->sc_lsr = sc->sc_msr = 0; 835 sc->sc_usr = buf[1]; 836 837 pstatus = buf[0]; 838 if (ISSET(pstatus, UVSCOM_TXRDY)) 839 SET(sc->sc_lsr, ULSR_TXRDY); 840 if (ISSET(pstatus, UVSCOM_RXRDY)) 841 SET(sc->sc_lsr, ULSR_RXRDY); 842 843 pstatus = buf[1]; 844 if (ISSET(pstatus, UVSCOM_CTS)) 845 SET(sc->sc_msr, UMSR_CTS); 846 if (ISSET(pstatus, UVSCOM_DSR)) 847 SET(sc->sc_msr, UMSR_DSR); 848 if (ISSET(pstatus, UVSCOM_DCD)) 849 SET(sc->sc_msr, UMSR_DCD); 850 851 ucom_status_change((struct ucom_softc *) sc->sc_subdev); 852 } 853 854 void 855 uvscom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 856 { 857 struct uvscom_softc *sc = addr; 858 859 if (lsr != NULL) 860 *lsr = sc->sc_lsr; 861 if (msr != NULL) 862 *msr = sc->sc_msr; 863 } 864