1 /* $OpenBSD: uvscom.c,v 1.34 2016/09/02 09:14:59 mpi 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/poll.h> 49 50 #include <dev/usb/usb.h> 51 #include <dev/usb/usbcdc.h> 52 53 #include <dev/usb/usbdi.h> 54 #include <dev/usb/usbdi_util.h> 55 #include <dev/usb/usbdevs.h> 56 57 #include <dev/usb/ucomvar.h> 58 59 #ifdef UVSCOM_DEBUG 60 static int uvscomdebug = 1; 61 62 #define DPRINTFN(n, x) do { if (uvscomdebug > (n)) printf x; } while (0) 63 #else 64 #define DPRINTFN(n, x) 65 #endif 66 #define DPRINTF(x) DPRINTFN(0, x) 67 68 #define UVSCOM_IFACE_INDEX 0 69 70 #define UVSCOM_INTR_INTERVAL 100 /* mS */ 71 72 #define UVSCOM_UNIT_WAIT 5 73 74 /* Request */ 75 #define UVSCOM_SET_SPEED 0x10 76 #define UVSCOM_LINE_CTL 0x11 77 #define UVSCOM_SET_PARAM 0x12 78 #define UVSCOM_READ_STATUS 0xd0 79 #define UVSCOM_SHUTDOWN 0xe0 80 81 /* UVSCOM_SET_SPEED parameters */ 82 #define UVSCOM_SPEED_150BPS 0x00 83 #define UVSCOM_SPEED_300BPS 0x01 84 #define UVSCOM_SPEED_600BPS 0x02 85 #define UVSCOM_SPEED_1200BPS 0x03 86 #define UVSCOM_SPEED_2400BPS 0x04 87 #define UVSCOM_SPEED_4800BPS 0x05 88 #define UVSCOM_SPEED_9600BPS 0x06 89 #define UVSCOM_SPEED_19200BPS 0x07 90 #define UVSCOM_SPEED_38400BPS 0x08 91 #define UVSCOM_SPEED_57600BPS 0x09 92 #define UVSCOM_SPEED_115200BPS 0x0a 93 94 /* UVSCOM_LINE_CTL parameters */ 95 #define UVSCOM_BREAK 0x40 96 #define UVSCOM_RTS 0x02 97 #define UVSCOM_DTR 0x01 98 #define UVSCOM_LINE_INIT 0x08 99 100 /* UVSCOM_SET_PARAM parameters */ 101 #define UVSCOM_DATA_MASK 0x03 102 #define UVSCOM_DATA_BIT_8 0x03 103 #define UVSCOM_DATA_BIT_7 0x02 104 #define UVSCOM_DATA_BIT_6 0x01 105 #define UVSCOM_DATA_BIT_5 0x00 106 107 #define UVSCOM_STOP_MASK 0x04 108 #define UVSCOM_STOP_BIT_2 0x04 109 #define UVSCOM_STOP_BIT_1 0x00 110 111 #define UVSCOM_PARITY_MASK 0x18 112 #define UVSCOM_PARITY_EVEN 0x18 113 #if 0 114 #define UVSCOM_PARITY_UNK 0x10 115 #endif 116 #define UVSCOM_PARITY_ODD 0x08 117 #define UVSCOM_PARITY_NONE 0x00 118 119 /* Status bits */ 120 #define UVSCOM_TXRDY 0x04 121 #define UVSCOM_RXRDY 0x01 122 123 #define UVSCOM_DCD 0x08 124 #define UVSCOM_NOCARD 0x04 125 #define UVSCOM_DSR 0x02 126 #define UVSCOM_CTS 0x01 127 #define UVSCOM_USTAT_MASK (UVSCOM_NOCARD | UVSCOM_DSR | UVSCOM_CTS) 128 129 struct uvscom_softc { 130 struct device sc_dev; /* base device */ 131 struct usbd_device *sc_udev; /* USB device */ 132 struct usbd_interface *sc_iface; /* interface */ 133 int sc_iface_number;/* interface number */ 134 135 struct usbd_interface *sc_intr_iface; /* interrupt interface */ 136 int sc_intr_number; /* interrupt number */ 137 struct usbd_pipe *sc_intr_pipe; /* interrupt pipe */ 138 u_char *sc_intr_buf; /* interrupt buffer */ 139 int sc_isize; 140 141 u_char sc_dtr; /* current DTR state */ 142 u_char sc_rts; /* current RTS state */ 143 144 u_char sc_lsr; /* Local status register */ 145 u_char sc_msr; /* uvscom status register */ 146 147 uint16_t sc_lcr; /* Line control */ 148 u_char sc_usr; /* unit status */ 149 150 struct device *sc_subdev; /* ucom device */ 151 }; 152 153 /* 154 * These are the maximum number of bytes transferred per frame. 155 * The output buffer size cannot be increased due to the size encoding. 156 */ 157 #define UVSCOMIBUFSIZE 512 158 #define UVSCOMOBUFSIZE 64 159 160 usbd_status uvscom_readstat(struct uvscom_softc *); 161 usbd_status uvscom_shutdown(struct uvscom_softc *); 162 usbd_status uvscom_reset(struct uvscom_softc *); 163 usbd_status uvscom_set_line_coding(struct uvscom_softc *, 164 uint16_t, uint16_t); 165 usbd_status uvscom_set_line(struct uvscom_softc *, uint16_t); 166 usbd_status uvscom_set_crtscts(struct uvscom_softc *); 167 void uvscom_get_status(void *, int, u_char *, u_char *); 168 void uvscom_dtr(struct uvscom_softc *, int); 169 void uvscom_rts(struct uvscom_softc *, int); 170 void uvscom_break(struct uvscom_softc *, int); 171 172 void uvscom_set(void *, int, int, int); 173 void uvscom_intr(struct usbd_xfer *, void *, usbd_status); 174 int uvscom_param(void *, int, struct termios *); 175 int uvscom_open(void *, int); 176 void uvscom_close(void *, int); 177 178 struct ucom_methods uvscom_methods = { 179 uvscom_get_status, 180 uvscom_set, 181 uvscom_param, 182 NULL, /* uvscom_ioctl, TODO */ 183 uvscom_open, 184 uvscom_close, 185 NULL, 186 NULL 187 }; 188 189 static const struct usb_devno uvscom_devs [] = { 190 /* SUNTAC U-Cable type A3 */ 191 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_AS64LX }, 192 /* SUNTAC U-Cable type A4 */ 193 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_AS144L4 }, 194 /* SUNTAC U-Cable type D2 */ 195 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_DS96L }, 196 /* SUNTAC U-Cable type P1 */ 197 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_PS64P1 }, 198 /* SUNTAC Slipper U */ 199 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_VS10U }, 200 /* SUNTAC Ir-Trinity */ 201 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_IS96U }, 202 }; 203 204 int uvscom_match(struct device *, void *, void *); 205 void uvscom_attach(struct device *, struct device *, void *); 206 int uvscom_detach(struct device *, int); 207 208 struct cfdriver uvscom_cd = { 209 NULL, "uvscom", DV_DULL 210 }; 211 212 const struct cfattach uvscom_ca = { 213 sizeof(struct uvscom_softc), uvscom_match, uvscom_attach, uvscom_detach 214 }; 215 216 int 217 uvscom_match(struct device *parent, void *match, void *aux) 218 { 219 struct usb_attach_arg *uaa = aux; 220 221 if (uaa->iface == NULL) 222 return (UMATCH_NONE); 223 224 return (usb_lookup(uvscom_devs, uaa->vendor, uaa->product) != NULL ? 225 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 226 } 227 228 void 229 uvscom_attach(struct device *parent, struct device *self, void *aux) 230 { 231 struct uvscom_softc *sc = (struct uvscom_softc *)self; 232 struct usb_attach_arg *uaa = aux; 233 struct usbd_device *dev = uaa->device; 234 usb_config_descriptor_t *cdesc; 235 usb_interface_descriptor_t *id; 236 usb_endpoint_descriptor_t *ed; 237 const char *devname = sc->sc_dev.dv_xname; 238 usbd_status err; 239 int i; 240 struct ucom_attach_args uca; 241 242 sc->sc_udev = dev; 243 244 DPRINTF(("uvscom attach: sc = %p\n", sc)); 245 246 /* initialize endpoints */ 247 uca.bulkin = uca.bulkout = -1; 248 sc->sc_intr_number = -1; 249 sc->sc_intr_pipe = NULL; 250 251 /* get the config descriptor */ 252 cdesc = usbd_get_config_descriptor(sc->sc_udev); 253 254 if (cdesc == NULL) { 255 printf("%s: failed to get configuration descriptor\n", 256 sc->sc_dev.dv_xname); 257 usbd_deactivate(sc->sc_udev); 258 return; 259 } 260 261 /* get the common interface */ 262 err = usbd_device2interface_handle(dev, UVSCOM_IFACE_INDEX, 263 &sc->sc_iface); 264 if (err) { 265 printf("%s: failed to get interface, err=%s\n", 266 devname, usbd_errstr(err)); 267 usbd_deactivate(sc->sc_udev); 268 return; 269 } 270 271 id = usbd_get_interface_descriptor(sc->sc_iface); 272 sc->sc_iface_number = id->bInterfaceNumber; 273 274 /* Find endpoints */ 275 for (i = 0; i < id->bNumEndpoints; i++) { 276 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 277 if (ed == NULL) { 278 printf("%s: no endpoint descriptor for %d\n", 279 sc->sc_dev.dv_xname, i); 280 usbd_deactivate(sc->sc_udev); 281 return; 282 } 283 284 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 285 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 286 uca.bulkin = ed->bEndpointAddress; 287 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 288 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 289 uca.bulkout = ed->bEndpointAddress; 290 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 291 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 292 sc->sc_intr_number = ed->bEndpointAddress; 293 sc->sc_isize = UGETW(ed->wMaxPacketSize); 294 } 295 } 296 297 if (uca.bulkin == -1) { 298 printf("%s: Could not find data bulk in\n", 299 sc->sc_dev.dv_xname); 300 usbd_deactivate(sc->sc_udev); 301 return; 302 } 303 if (uca.bulkout == -1) { 304 printf("%s: Could not find data bulk out\n", 305 sc->sc_dev.dv_xname); 306 usbd_deactivate(sc->sc_udev); 307 return; 308 } 309 if (sc->sc_intr_number == -1) { 310 printf("%s: Could not find interrupt in\n", 311 sc->sc_dev.dv_xname); 312 usbd_deactivate(sc->sc_udev); 313 return; 314 } 315 316 sc->sc_dtr = sc->sc_rts = 0; 317 sc->sc_lcr = UVSCOM_LINE_INIT; 318 319 uca.portno = UCOM_UNK_PORTNO; 320 /* bulkin, bulkout set above */ 321 uca.ibufsize = UVSCOMIBUFSIZE; 322 uca.obufsize = UVSCOMOBUFSIZE; 323 uca.ibufsizepad = UVSCOMIBUFSIZE; 324 uca.opkthdrlen = 0; 325 uca.device = dev; 326 uca.iface = sc->sc_iface; 327 uca.methods = &uvscom_methods; 328 uca.arg = sc; 329 uca.info = NULL; 330 331 err = uvscom_reset(sc); 332 333 if (err) { 334 printf("%s: reset failed, %s\n", sc->sc_dev.dv_xname, 335 usbd_errstr(err)); 336 usbd_deactivate(sc->sc_udev); 337 return; 338 } 339 340 DPRINTF(("uvscom: in = 0x%x out = 0x%x intr = 0x%x\n", 341 ucom->sc_bulkin_no, ucom->sc_bulkout_no, sc->sc_intr_number)); 342 343 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 344 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 345 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); 346 } 347 348 int 349 uvscom_detach(struct device *self, int flags) 350 { 351 struct uvscom_softc *sc = (struct uvscom_softc *)self; 352 int rv = 0; 353 354 DPRINTF(("uvscom_detach: sc = %p\n", sc)); 355 356 if (sc->sc_intr_pipe != NULL) { 357 usbd_abort_pipe(sc->sc_intr_pipe); 358 usbd_close_pipe(sc->sc_intr_pipe); 359 free(sc->sc_intr_buf, M_USBDEV, 0); 360 sc->sc_intr_pipe = NULL; 361 } 362 363 if (sc->sc_subdev != NULL) { 364 rv = config_detach(sc->sc_subdev, flags); 365 sc->sc_subdev = NULL; 366 } 367 368 return (rv); 369 } 370 371 usbd_status 372 uvscom_readstat(struct uvscom_softc *sc) 373 { 374 usb_device_request_t req; 375 usbd_status err; 376 uint16_t r; 377 378 DPRINTF(("%s: send readstat\n", sc->sc_dev.dv_xname)); 379 380 req.bmRequestType = UT_READ_VENDOR_DEVICE; 381 req.bRequest = UVSCOM_READ_STATUS; 382 USETW(req.wValue, 0); 383 USETW(req.wIndex, 0); 384 USETW(req.wLength, 2); 385 386 err = usbd_do_request(sc->sc_udev, &req, &r); 387 if (err) { 388 printf("%s: uvscom_readstat: %s\n", 389 sc->sc_dev.dv_xname, usbd_errstr(err)); 390 return (err); 391 } 392 393 DPRINTF(("%s: uvscom_readstat: r = %d\n", 394 sc->sc_dev.dv_xname, r)); 395 396 return (USBD_NORMAL_COMPLETION); 397 } 398 399 usbd_status 400 uvscom_shutdown(struct uvscom_softc *sc) 401 { 402 usb_device_request_t req; 403 usbd_status err; 404 405 DPRINTF(("%s: send shutdown\n", sc->sc_dev.dv_xname)); 406 407 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 408 req.bRequest = UVSCOM_SHUTDOWN; 409 USETW(req.wValue, 0); 410 USETW(req.wIndex, 0); 411 USETW(req.wLength, 0); 412 413 err = usbd_do_request(sc->sc_udev, &req, NULL); 414 if (err) { 415 printf("%s: uvscom_shutdown: %s\n", 416 sc->sc_dev.dv_xname, usbd_errstr(err)); 417 return (err); 418 } 419 420 return (USBD_NORMAL_COMPLETION); 421 } 422 423 usbd_status 424 uvscom_reset(struct uvscom_softc *sc) 425 { 426 DPRINTF(("%s: uvscom_reset\n", sc->sc_dev.dv_xname)); 427 428 return (USBD_NORMAL_COMPLETION); 429 } 430 431 usbd_status 432 uvscom_set_crtscts(struct uvscom_softc *sc) 433 { 434 DPRINTF(("%s: uvscom_set_crtscts\n", sc->sc_dev.dv_xname)); 435 436 return (USBD_NORMAL_COMPLETION); 437 } 438 439 usbd_status 440 uvscom_set_line(struct uvscom_softc *sc, uint16_t line) 441 { 442 usb_device_request_t req; 443 usbd_status err; 444 445 DPRINTF(("%s: uvscom_set_line: %04x\n", 446 sc->sc_dev.dv_xname, line)); 447 448 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 449 req.bRequest = UVSCOM_LINE_CTL; 450 USETW(req.wValue, line); 451 USETW(req.wIndex, 0); 452 USETW(req.wLength, 0); 453 454 err = usbd_do_request(sc->sc_udev, &req, NULL); 455 if (err) { 456 printf("%s: uvscom_set_line: %s\n", 457 sc->sc_dev.dv_xname, usbd_errstr(err)); 458 return (err); 459 } 460 461 return (USBD_NORMAL_COMPLETION); 462 } 463 464 usbd_status 465 uvscom_set_line_coding(struct uvscom_softc *sc, uint16_t lsp, uint16_t ls) 466 { 467 usb_device_request_t req; 468 usbd_status err; 469 470 DPRINTF(("%s: uvscom_set_line_coding: %02x %02x\n", 471 sc->sc_dev.dv_xname, lsp, ls)); 472 473 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 474 req.bRequest = UVSCOM_SET_SPEED; 475 USETW(req.wValue, lsp); 476 USETW(req.wIndex, 0); 477 USETW(req.wLength, 0); 478 479 err = usbd_do_request(sc->sc_udev, &req, NULL); 480 if (err) { 481 printf("%s: uvscom_set_line_coding: %s\n", 482 sc->sc_dev.dv_xname, usbd_errstr(err)); 483 return (err); 484 } 485 486 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 487 req.bRequest = UVSCOM_SET_PARAM; 488 USETW(req.wValue, ls); 489 USETW(req.wIndex, 0); 490 USETW(req.wLength, 0); 491 492 err = usbd_do_request(sc->sc_udev, &req, NULL); 493 if (err) { 494 printf("%s: uvscom_set_line_coding: %s\n", 495 sc->sc_dev.dv_xname, usbd_errstr(err)); 496 return (err); 497 } 498 499 return (USBD_NORMAL_COMPLETION); 500 } 501 502 void 503 uvscom_dtr(struct uvscom_softc *sc, int onoff) 504 { 505 DPRINTF(("%s: uvscom_dtr: onoff = %d\n", 506 sc->sc_dev.dv_xname, onoff)); 507 508 if (sc->sc_dtr == onoff) 509 return; /* no change */ 510 511 sc->sc_dtr = onoff; 512 513 if (onoff) 514 SET(sc->sc_lcr, UVSCOM_DTR); 515 else 516 CLR(sc->sc_lcr, UVSCOM_DTR); 517 518 uvscom_set_line(sc, sc->sc_lcr); 519 } 520 521 void 522 uvscom_rts(struct uvscom_softc *sc, int onoff) 523 { 524 DPRINTF(("%s: uvscom_rts: onoff = %d\n", 525 sc->sc_dev.dv_xname, onoff)); 526 527 if (sc->sc_rts == onoff) 528 return; /* no change */ 529 530 sc->sc_rts = onoff; 531 532 if (onoff) 533 SET(sc->sc_lcr, UVSCOM_RTS); 534 else 535 CLR(sc->sc_lcr, UVSCOM_RTS); 536 537 uvscom_set_line(sc, sc->sc_lcr); 538 } 539 540 void 541 uvscom_break(struct uvscom_softc *sc, int onoff) 542 { 543 DPRINTF(("%s: uvscom_break: onoff = %d\n", 544 sc->sc_dev.dv_xname, onoff)); 545 546 if (onoff) 547 uvscom_set_line(sc, SET(sc->sc_lcr, UVSCOM_BREAK)); 548 } 549 550 void 551 uvscom_set(void *addr, int portno, int reg, int onoff) 552 { 553 struct uvscom_softc *sc = addr; 554 555 switch (reg) { 556 case UCOM_SET_DTR: 557 uvscom_dtr(sc, onoff); 558 break; 559 case UCOM_SET_RTS: 560 uvscom_rts(sc, onoff); 561 break; 562 case UCOM_SET_BREAK: 563 uvscom_break(sc, onoff); 564 break; 565 default: 566 break; 567 } 568 } 569 570 int 571 uvscom_param(void *addr, int portno, struct termios *t) 572 { 573 struct uvscom_softc *sc = addr; 574 usbd_status err; 575 uint16_t lsp; 576 uint16_t ls; 577 578 DPRINTF(("%s: uvscom_param: sc = %p\n", 579 sc->sc_dev.dv_xname, sc)); 580 581 ls = 0; 582 583 switch (t->c_ospeed) { 584 case B150: 585 lsp = UVSCOM_SPEED_150BPS; 586 break; 587 case B300: 588 lsp = UVSCOM_SPEED_300BPS; 589 break; 590 case B600: 591 lsp = UVSCOM_SPEED_600BPS; 592 break; 593 case B1200: 594 lsp = UVSCOM_SPEED_1200BPS; 595 break; 596 case B2400: 597 lsp = UVSCOM_SPEED_2400BPS; 598 break; 599 case B4800: 600 lsp = UVSCOM_SPEED_4800BPS; 601 break; 602 case B9600: 603 lsp = UVSCOM_SPEED_9600BPS; 604 break; 605 case B19200: 606 lsp = UVSCOM_SPEED_19200BPS; 607 break; 608 case B38400: 609 lsp = UVSCOM_SPEED_38400BPS; 610 break; 611 case B57600: 612 lsp = UVSCOM_SPEED_57600BPS; 613 break; 614 case B115200: 615 lsp = UVSCOM_SPEED_115200BPS; 616 break; 617 default: 618 return (EIO); 619 } 620 621 if (ISSET(t->c_cflag, CSTOPB)) 622 SET(ls, UVSCOM_STOP_BIT_2); 623 else 624 SET(ls, UVSCOM_STOP_BIT_1); 625 626 if (ISSET(t->c_cflag, PARENB)) { 627 if (ISSET(t->c_cflag, PARODD)) 628 SET(ls, UVSCOM_PARITY_ODD); 629 else 630 SET(ls, UVSCOM_PARITY_EVEN); 631 } else 632 SET(ls, UVSCOM_PARITY_NONE); 633 634 switch (ISSET(t->c_cflag, CSIZE)) { 635 case CS5: 636 SET(ls, UVSCOM_DATA_BIT_5); 637 break; 638 case CS6: 639 SET(ls, UVSCOM_DATA_BIT_6); 640 break; 641 case CS7: 642 SET(ls, UVSCOM_DATA_BIT_7); 643 break; 644 case CS8: 645 SET(ls, UVSCOM_DATA_BIT_8); 646 break; 647 default: 648 return (EIO); 649 } 650 651 err = uvscom_set_line_coding(sc, lsp, ls); 652 if (err) 653 return (EIO); 654 655 if (ISSET(t->c_cflag, CRTSCTS)) { 656 err = uvscom_set_crtscts(sc); 657 if (err) 658 return (EIO); 659 } 660 661 return (0); 662 } 663 664 int 665 uvscom_open(void *addr, int portno) 666 { 667 struct uvscom_softc *sc = addr; 668 int err; 669 int i; 670 671 if (usbd_is_dying(sc->sc_udev)) 672 return (EIO); 673 674 DPRINTF(("uvscom_open: sc = %p\n", sc)); 675 676 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 677 DPRINTF(("uvscom_open: open interrupt pipe.\n")); 678 679 sc->sc_usr = 0; /* clear unit status */ 680 681 err = uvscom_readstat(sc); 682 if (err) { 683 DPRINTF(("%s: uvscom_open: readstat faild\n", 684 sc->sc_dev.dv_xname)); 685 return (EIO); 686 } 687 688 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 689 err = usbd_open_pipe_intr(sc->sc_iface, 690 sc->sc_intr_number, 691 USBD_SHORT_XFER_OK, 692 &sc->sc_intr_pipe, 693 sc, 694 sc->sc_intr_buf, 695 sc->sc_isize, 696 uvscom_intr, 697 UVSCOM_INTR_INTERVAL); 698 if (err) { 699 printf("%s: cannot open interrupt pipe (addr %d)\n", 700 sc->sc_dev.dv_xname, 701 sc->sc_intr_number); 702 return (EIO); 703 } 704 } else { 705 DPRINTF(("uvscom_open: did not open interrupt pipe.\n")); 706 } 707 708 if ((sc->sc_usr & UVSCOM_USTAT_MASK) == 0) { 709 /* unit is not ready */ 710 711 for (i = UVSCOM_UNIT_WAIT; i > 0; --i) { 712 tsleep(&err, TTIPRI, "uvsop", hz); /* XXX */ 713 if (ISSET(sc->sc_usr, UVSCOM_USTAT_MASK)) 714 break; 715 } 716 if (i == 0) { 717 DPRINTF(("%s: unit is not ready\n", 718 sc->sc_dev.dv_xname)); 719 return (EIO); 720 } 721 722 /* check PC card was inserted */ 723 if (ISSET(sc->sc_usr, UVSCOM_NOCARD)) { 724 DPRINTF(("%s: no card\n", 725 sc->sc_dev.dv_xname)); 726 return (EIO); 727 } 728 } 729 730 return (0); 731 } 732 733 void 734 uvscom_close(void *addr, int portno) 735 { 736 struct uvscom_softc *sc = addr; 737 int err; 738 739 if (usbd_is_dying(sc->sc_udev)) 740 return; 741 742 DPRINTF(("uvscom_close: close\n")); 743 744 uvscom_shutdown(sc); 745 746 if (sc->sc_intr_pipe != NULL) { 747 usbd_abort_pipe(sc->sc_intr_pipe); 748 err = usbd_close_pipe(sc->sc_intr_pipe); 749 if (err) 750 printf("%s: close interrupt pipe failed: %s\n", 751 sc->sc_dev.dv_xname, 752 usbd_errstr(err)); 753 free(sc->sc_intr_buf, M_USBDEV, 0); 754 sc->sc_intr_pipe = NULL; 755 } 756 } 757 758 void 759 uvscom_intr(struct usbd_xfer *xfer, void *priv, usbd_status status) 760 { 761 struct uvscom_softc *sc = priv; 762 u_char *buf = sc->sc_intr_buf; 763 u_char pstatus; 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 return; 771 772 printf("%s: uvscom_intr: abnormal status: %s\n", 773 sc->sc_dev.dv_xname, 774 usbd_errstr(status)); 775 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 776 return; 777 } 778 779 DPRINTFN(2, ("%s: uvscom status = %02x %02x\n", 780 sc->sc_dev.dv_xname, buf[0], buf[1])); 781 782 sc->sc_lsr = sc->sc_msr = 0; 783 sc->sc_usr = buf[1]; 784 785 pstatus = buf[0]; 786 if (ISSET(pstatus, UVSCOM_TXRDY)) 787 SET(sc->sc_lsr, ULSR_TXRDY); 788 if (ISSET(pstatus, UVSCOM_RXRDY)) 789 SET(sc->sc_lsr, ULSR_RXRDY); 790 791 pstatus = buf[1]; 792 if (ISSET(pstatus, UVSCOM_CTS)) 793 SET(sc->sc_msr, UMSR_CTS); 794 if (ISSET(pstatus, UVSCOM_DSR)) 795 SET(sc->sc_msr, UMSR_DSR); 796 if (ISSET(pstatus, UVSCOM_DCD)) 797 SET(sc->sc_msr, UMSR_DCD); 798 799 ucom_status_change((struct ucom_softc *) sc->sc_subdev); 800 } 801 802 void 803 uvscom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 804 { 805 struct uvscom_softc *sc = addr; 806 807 if (lsr != NULL) 808 *lsr = sc->sc_lsr; 809 if (msr != NULL) 810 *msr = sc->sc_msr; 811 } 812