1 /* $OpenBSD: uvscom.c,v 1.39 2020/07/31 10:49:33 mglocker 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/ioctl.h> 46 #include <sys/device.h> 47 #include <sys/poll.h> 48 49 #include <dev/usb/usb.h> 50 #include <dev/usb/usbcdc.h> 51 52 #include <dev/usb/usbdi.h> 53 #include <dev/usb/usbdi_util.h> 54 #include <dev/usb/usbdevs.h> 55 56 #include <dev/usb/ucomvar.h> 57 58 #ifdef UVSCOM_DEBUG 59 static int uvscomdebug = 1; 60 61 #define DPRINTFN(n, x) do { if (uvscomdebug > (n)) printf x; } while (0) 62 #else 63 #define DPRINTFN(n, x) 64 #endif 65 #define DPRINTF(x) DPRINTFN(0, x) 66 67 #define UVSCOM_IFACE_INDEX 0 68 69 #define UVSCOM_INTR_INTERVAL 100 /* mS */ 70 71 #define UVSCOM_UNIT_WAIT 5 72 73 /* Request */ 74 #define UVSCOM_SET_SPEED 0x10 75 #define UVSCOM_LINE_CTL 0x11 76 #define UVSCOM_SET_PARAM 0x12 77 #define UVSCOM_READ_STATUS 0xd0 78 #define UVSCOM_SHUTDOWN 0xe0 79 80 /* UVSCOM_SET_SPEED parameters */ 81 #define UVSCOM_SPEED_150BPS 0x00 82 #define UVSCOM_SPEED_300BPS 0x01 83 #define UVSCOM_SPEED_600BPS 0x02 84 #define UVSCOM_SPEED_1200BPS 0x03 85 #define UVSCOM_SPEED_2400BPS 0x04 86 #define UVSCOM_SPEED_4800BPS 0x05 87 #define UVSCOM_SPEED_9600BPS 0x06 88 #define UVSCOM_SPEED_19200BPS 0x07 89 #define UVSCOM_SPEED_38400BPS 0x08 90 #define UVSCOM_SPEED_57600BPS 0x09 91 #define UVSCOM_SPEED_115200BPS 0x0a 92 93 /* UVSCOM_LINE_CTL parameters */ 94 #define UVSCOM_BREAK 0x40 95 #define UVSCOM_RTS 0x02 96 #define UVSCOM_DTR 0x01 97 #define UVSCOM_LINE_INIT 0x08 98 99 /* UVSCOM_SET_PARAM parameters */ 100 #define UVSCOM_DATA_MASK 0x03 101 #define UVSCOM_DATA_BIT_8 0x03 102 #define UVSCOM_DATA_BIT_7 0x02 103 #define UVSCOM_DATA_BIT_6 0x01 104 #define UVSCOM_DATA_BIT_5 0x00 105 106 #define UVSCOM_STOP_MASK 0x04 107 #define UVSCOM_STOP_BIT_2 0x04 108 #define UVSCOM_STOP_BIT_1 0x00 109 110 #define UVSCOM_PARITY_MASK 0x18 111 #define UVSCOM_PARITY_EVEN 0x18 112 #if 0 113 #define UVSCOM_PARITY_UNK 0x10 114 #endif 115 #define UVSCOM_PARITY_ODD 0x08 116 #define UVSCOM_PARITY_NONE 0x00 117 118 /* Status bits */ 119 #define UVSCOM_TXRDY 0x04 120 #define UVSCOM_RXRDY 0x01 121 122 #define UVSCOM_DCD 0x08 123 #define UVSCOM_NOCARD 0x04 124 #define UVSCOM_DSR 0x02 125 #define UVSCOM_CTS 0x01 126 #define UVSCOM_USTAT_MASK (UVSCOM_NOCARD | UVSCOM_DSR | UVSCOM_CTS) 127 128 struct uvscom_softc { 129 struct device sc_dev; /* base device */ 130 struct usbd_device *sc_udev; /* USB device */ 131 struct usbd_interface *sc_iface; /* interface */ 132 133 struct usbd_interface *sc_intr_iface; /* interrupt interface */ 134 int sc_intr_number; /* interrupt number */ 135 struct usbd_pipe *sc_intr_pipe; /* interrupt pipe */ 136 u_char *sc_intr_buf; /* interrupt buffer */ 137 int sc_isize; 138 139 u_char sc_dtr; /* current DTR state */ 140 u_char sc_rts; /* current RTS state */ 141 142 u_char sc_lsr; /* Local status register */ 143 u_char sc_msr; /* uvscom status register */ 144 145 uint16_t sc_lcr; /* Line control */ 146 u_char sc_usr; /* unit status */ 147 148 struct device *sc_subdev; /* ucom device */ 149 }; 150 151 /* 152 * These are the maximum number of bytes transferred per frame. 153 * The output buffer size cannot be increased due to the size encoding. 154 */ 155 #define UVSCOMIBUFSIZE 512 156 #define UVSCOMOBUFSIZE 64 157 158 usbd_status uvscom_readstat(struct uvscom_softc *); 159 usbd_status uvscom_shutdown(struct uvscom_softc *); 160 usbd_status uvscom_reset(struct uvscom_softc *); 161 usbd_status uvscom_set_line_coding(struct uvscom_softc *, 162 uint16_t, uint16_t); 163 usbd_status uvscom_set_line(struct uvscom_softc *, uint16_t); 164 usbd_status uvscom_set_crtscts(struct uvscom_softc *); 165 void uvscom_get_status(void *, int, u_char *, u_char *); 166 void uvscom_dtr(struct uvscom_softc *, int); 167 void uvscom_rts(struct uvscom_softc *, int); 168 void uvscom_break(struct uvscom_softc *, int); 169 170 void uvscom_set(void *, int, int, int); 171 void uvscom_intr(struct usbd_xfer *, void *, usbd_status); 172 int uvscom_param(void *, int, struct termios *); 173 int uvscom_open(void *, int); 174 void uvscom_close(void *, int); 175 176 struct ucom_methods uvscom_methods = { 177 uvscom_get_status, 178 uvscom_set, 179 uvscom_param, 180 NULL, /* uvscom_ioctl, TODO */ 181 uvscom_open, 182 uvscom_close, 183 NULL, 184 NULL 185 }; 186 187 static const struct usb_devno uvscom_devs [] = { 188 /* SUNTAC U-Cable type A3 */ 189 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_AS64LX }, 190 /* SUNTAC U-Cable type A4 */ 191 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_AS144L4 }, 192 /* SUNTAC U-Cable type D2 */ 193 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_DS96L }, 194 /* SUNTAC U-Cable type P1 */ 195 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_PS64P1 }, 196 /* SUNTAC Slipper U */ 197 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_VS10U }, 198 /* SUNTAC Ir-Trinity */ 199 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_IS96U }, 200 }; 201 202 int uvscom_match(struct device *, void *, void *); 203 void uvscom_attach(struct device *, struct device *, void *); 204 int uvscom_detach(struct device *, int); 205 206 struct cfdriver uvscom_cd = { 207 NULL, "uvscom", DV_DULL 208 }; 209 210 const struct cfattach uvscom_ca = { 211 sizeof(struct uvscom_softc), uvscom_match, uvscom_attach, uvscom_detach 212 }; 213 214 int 215 uvscom_match(struct device *parent, void *match, void *aux) 216 { 217 struct usb_attach_arg *uaa = aux; 218 219 if (uaa->iface == NULL) 220 return (UMATCH_NONE); 221 222 return (usb_lookup(uvscom_devs, uaa->vendor, uaa->product) != NULL ? 223 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 224 } 225 226 void 227 uvscom_attach(struct device *parent, struct device *self, void *aux) 228 { 229 struct uvscom_softc *sc = (struct uvscom_softc *)self; 230 struct usb_attach_arg *uaa = aux; 231 struct usbd_device *dev = uaa->device; 232 usb_config_descriptor_t *cdesc; 233 usb_interface_descriptor_t *id; 234 usb_endpoint_descriptor_t *ed; 235 const char *devname = sc->sc_dev.dv_xname; 236 usbd_status err; 237 int i; 238 struct ucom_attach_args uca; 239 240 sc->sc_udev = dev; 241 242 DPRINTF(("uvscom attach: sc = %p\n", sc)); 243 244 /* initialize endpoints */ 245 uca.bulkin = uca.bulkout = -1; 246 sc->sc_intr_number = -1; 247 sc->sc_intr_pipe = NULL; 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 /* get the common interface */ 260 err = usbd_device2interface_handle(dev, UVSCOM_IFACE_INDEX, 261 &sc->sc_iface); 262 if (err) { 263 printf("%s: failed to get interface, err=%s\n", 264 devname, usbd_errstr(err)); 265 usbd_deactivate(sc->sc_udev); 266 return; 267 } 268 269 id = usbd_get_interface_descriptor(sc->sc_iface); 270 271 /* Find endpoints */ 272 for (i = 0; i < id->bNumEndpoints; i++) { 273 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 274 if (ed == NULL) { 275 printf("%s: no endpoint descriptor for %d\n", 276 sc->sc_dev.dv_xname, i); 277 usbd_deactivate(sc->sc_udev); 278 return; 279 } 280 281 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 282 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 283 uca.bulkin = ed->bEndpointAddress; 284 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 285 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 286 uca.bulkout = ed->bEndpointAddress; 287 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 288 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 289 sc->sc_intr_number = ed->bEndpointAddress; 290 sc->sc_isize = UGETW(ed->wMaxPacketSize); 291 } 292 } 293 294 if (uca.bulkin == -1) { 295 printf("%s: Could not find data bulk in\n", 296 sc->sc_dev.dv_xname); 297 usbd_deactivate(sc->sc_udev); 298 return; 299 } 300 if (uca.bulkout == -1) { 301 printf("%s: Could not find data bulk out\n", 302 sc->sc_dev.dv_xname); 303 usbd_deactivate(sc->sc_udev); 304 return; 305 } 306 if (sc->sc_intr_number == -1) { 307 printf("%s: Could not find interrupt in\n", 308 sc->sc_dev.dv_xname); 309 usbd_deactivate(sc->sc_udev); 310 return; 311 } 312 313 sc->sc_dtr = sc->sc_rts = 0; 314 sc->sc_lcr = UVSCOM_LINE_INIT; 315 316 uca.portno = UCOM_UNK_PORTNO; 317 /* bulkin, bulkout set above */ 318 uca.ibufsize = UVSCOMIBUFSIZE; 319 uca.obufsize = UVSCOMOBUFSIZE; 320 uca.ibufsizepad = UVSCOMIBUFSIZE; 321 uca.opkthdrlen = 0; 322 uca.device = dev; 323 uca.iface = sc->sc_iface; 324 uca.methods = &uvscom_methods; 325 uca.arg = sc; 326 uca.info = NULL; 327 328 err = uvscom_reset(sc); 329 330 if (err) { 331 printf("%s: reset failed, %s\n", sc->sc_dev.dv_xname, 332 usbd_errstr(err)); 333 usbd_deactivate(sc->sc_udev); 334 return; 335 } 336 337 DPRINTF(("uvscom: in = 0x%x out = 0x%x intr = 0x%x\n", 338 ucom->sc_bulkin_no, ucom->sc_bulkout_no, sc->sc_intr_number)); 339 340 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 341 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 342 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); 343 } 344 345 int 346 uvscom_detach(struct device *self, int flags) 347 { 348 struct uvscom_softc *sc = (struct uvscom_softc *)self; 349 int rv = 0; 350 351 DPRINTF(("uvscom_detach: sc = %p\n", sc)); 352 353 if (sc->sc_intr_pipe != NULL) { 354 usbd_close_pipe(sc->sc_intr_pipe); 355 free(sc->sc_intr_buf, M_USBDEV, sc->sc_isize); 356 sc->sc_intr_pipe = NULL; 357 } 358 359 if (sc->sc_subdev != NULL) { 360 rv = config_detach(sc->sc_subdev, flags); 361 sc->sc_subdev = NULL; 362 } 363 364 return (rv); 365 } 366 367 usbd_status 368 uvscom_readstat(struct uvscom_softc *sc) 369 { 370 usb_device_request_t req; 371 usbd_status err; 372 uint16_t r; 373 374 DPRINTF(("%s: send readstat\n", sc->sc_dev.dv_xname)); 375 376 req.bmRequestType = UT_READ_VENDOR_DEVICE; 377 req.bRequest = UVSCOM_READ_STATUS; 378 USETW(req.wValue, 0); 379 USETW(req.wIndex, 0); 380 USETW(req.wLength, 2); 381 382 err = usbd_do_request(sc->sc_udev, &req, &r); 383 if (err) { 384 printf("%s: uvscom_readstat: %s\n", 385 sc->sc_dev.dv_xname, usbd_errstr(err)); 386 return (err); 387 } 388 389 DPRINTF(("%s: uvscom_readstat: r = %d\n", 390 sc->sc_dev.dv_xname, r)); 391 392 return (USBD_NORMAL_COMPLETION); 393 } 394 395 usbd_status 396 uvscom_shutdown(struct uvscom_softc *sc) 397 { 398 usb_device_request_t req; 399 usbd_status err; 400 401 DPRINTF(("%s: send shutdown\n", sc->sc_dev.dv_xname)); 402 403 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 404 req.bRequest = UVSCOM_SHUTDOWN; 405 USETW(req.wValue, 0); 406 USETW(req.wIndex, 0); 407 USETW(req.wLength, 0); 408 409 err = usbd_do_request(sc->sc_udev, &req, NULL); 410 if (err) { 411 printf("%s: uvscom_shutdown: %s\n", 412 sc->sc_dev.dv_xname, usbd_errstr(err)); 413 return (err); 414 } 415 416 return (USBD_NORMAL_COMPLETION); 417 } 418 419 usbd_status 420 uvscom_reset(struct uvscom_softc *sc) 421 { 422 DPRINTF(("%s: uvscom_reset\n", sc->sc_dev.dv_xname)); 423 424 return (USBD_NORMAL_COMPLETION); 425 } 426 427 usbd_status 428 uvscom_set_crtscts(struct uvscom_softc *sc) 429 { 430 DPRINTF(("%s: uvscom_set_crtscts\n", sc->sc_dev.dv_xname)); 431 432 return (USBD_NORMAL_COMPLETION); 433 } 434 435 usbd_status 436 uvscom_set_line(struct uvscom_softc *sc, uint16_t line) 437 { 438 usb_device_request_t req; 439 usbd_status err; 440 441 DPRINTF(("%s: uvscom_set_line: %04x\n", 442 sc->sc_dev.dv_xname, line)); 443 444 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 445 req.bRequest = UVSCOM_LINE_CTL; 446 USETW(req.wValue, line); 447 USETW(req.wIndex, 0); 448 USETW(req.wLength, 0); 449 450 err = usbd_do_request(sc->sc_udev, &req, NULL); 451 if (err) { 452 printf("%s: uvscom_set_line: %s\n", 453 sc->sc_dev.dv_xname, usbd_errstr(err)); 454 return (err); 455 } 456 457 return (USBD_NORMAL_COMPLETION); 458 } 459 460 usbd_status 461 uvscom_set_line_coding(struct uvscom_softc *sc, uint16_t lsp, uint16_t ls) 462 { 463 usb_device_request_t req; 464 usbd_status err; 465 466 DPRINTF(("%s: uvscom_set_line_coding: %02x %02x\n", 467 sc->sc_dev.dv_xname, lsp, ls)); 468 469 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 470 req.bRequest = UVSCOM_SET_SPEED; 471 USETW(req.wValue, lsp); 472 USETW(req.wIndex, 0); 473 USETW(req.wLength, 0); 474 475 err = usbd_do_request(sc->sc_udev, &req, NULL); 476 if (err) { 477 printf("%s: uvscom_set_line_coding: %s\n", 478 sc->sc_dev.dv_xname, usbd_errstr(err)); 479 return (err); 480 } 481 482 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 483 req.bRequest = UVSCOM_SET_PARAM; 484 USETW(req.wValue, ls); 485 USETW(req.wIndex, 0); 486 USETW(req.wLength, 0); 487 488 err = usbd_do_request(sc->sc_udev, &req, NULL); 489 if (err) { 490 printf("%s: uvscom_set_line_coding: %s\n", 491 sc->sc_dev.dv_xname, usbd_errstr(err)); 492 return (err); 493 } 494 495 return (USBD_NORMAL_COMPLETION); 496 } 497 498 void 499 uvscom_dtr(struct uvscom_softc *sc, int onoff) 500 { 501 DPRINTF(("%s: uvscom_dtr: onoff = %d\n", 502 sc->sc_dev.dv_xname, onoff)); 503 504 if (sc->sc_dtr == onoff) 505 return; /* no change */ 506 507 sc->sc_dtr = onoff; 508 509 if (onoff) 510 SET(sc->sc_lcr, UVSCOM_DTR); 511 else 512 CLR(sc->sc_lcr, UVSCOM_DTR); 513 514 uvscom_set_line(sc, sc->sc_lcr); 515 } 516 517 void 518 uvscom_rts(struct uvscom_softc *sc, int onoff) 519 { 520 DPRINTF(("%s: uvscom_rts: onoff = %d\n", 521 sc->sc_dev.dv_xname, onoff)); 522 523 if (sc->sc_rts == onoff) 524 return; /* no change */ 525 526 sc->sc_rts = onoff; 527 528 if (onoff) 529 SET(sc->sc_lcr, UVSCOM_RTS); 530 else 531 CLR(sc->sc_lcr, UVSCOM_RTS); 532 533 uvscom_set_line(sc, sc->sc_lcr); 534 } 535 536 void 537 uvscom_break(struct uvscom_softc *sc, int onoff) 538 { 539 DPRINTF(("%s: uvscom_break: onoff = %d\n", 540 sc->sc_dev.dv_xname, onoff)); 541 542 if (onoff) 543 uvscom_set_line(sc, SET(sc->sc_lcr, UVSCOM_BREAK)); 544 } 545 546 void 547 uvscom_set(void *addr, int portno, int reg, int onoff) 548 { 549 struct uvscom_softc *sc = addr; 550 551 switch (reg) { 552 case UCOM_SET_DTR: 553 uvscom_dtr(sc, onoff); 554 break; 555 case UCOM_SET_RTS: 556 uvscom_rts(sc, onoff); 557 break; 558 case UCOM_SET_BREAK: 559 uvscom_break(sc, onoff); 560 break; 561 default: 562 break; 563 } 564 } 565 566 int 567 uvscom_param(void *addr, int portno, struct termios *t) 568 { 569 struct uvscom_softc *sc = addr; 570 usbd_status err; 571 uint16_t lsp; 572 uint16_t ls; 573 574 DPRINTF(("%s: uvscom_param: sc = %p\n", 575 sc->sc_dev.dv_xname, sc)); 576 577 ls = 0; 578 579 switch (t->c_ospeed) { 580 case B150: 581 lsp = UVSCOM_SPEED_150BPS; 582 break; 583 case B300: 584 lsp = UVSCOM_SPEED_300BPS; 585 break; 586 case B600: 587 lsp = UVSCOM_SPEED_600BPS; 588 break; 589 case B1200: 590 lsp = UVSCOM_SPEED_1200BPS; 591 break; 592 case B2400: 593 lsp = UVSCOM_SPEED_2400BPS; 594 break; 595 case B4800: 596 lsp = UVSCOM_SPEED_4800BPS; 597 break; 598 case B9600: 599 lsp = UVSCOM_SPEED_9600BPS; 600 break; 601 case B19200: 602 lsp = UVSCOM_SPEED_19200BPS; 603 break; 604 case B38400: 605 lsp = UVSCOM_SPEED_38400BPS; 606 break; 607 case B57600: 608 lsp = UVSCOM_SPEED_57600BPS; 609 break; 610 case B115200: 611 lsp = UVSCOM_SPEED_115200BPS; 612 break; 613 default: 614 return (EIO); 615 } 616 617 if (ISSET(t->c_cflag, CSTOPB)) 618 SET(ls, UVSCOM_STOP_BIT_2); 619 else 620 SET(ls, UVSCOM_STOP_BIT_1); 621 622 if (ISSET(t->c_cflag, PARENB)) { 623 if (ISSET(t->c_cflag, PARODD)) 624 SET(ls, UVSCOM_PARITY_ODD); 625 else 626 SET(ls, UVSCOM_PARITY_EVEN); 627 } else 628 SET(ls, UVSCOM_PARITY_NONE); 629 630 switch (ISSET(t->c_cflag, CSIZE)) { 631 case CS5: 632 SET(ls, UVSCOM_DATA_BIT_5); 633 break; 634 case CS6: 635 SET(ls, UVSCOM_DATA_BIT_6); 636 break; 637 case CS7: 638 SET(ls, UVSCOM_DATA_BIT_7); 639 break; 640 case CS8: 641 SET(ls, UVSCOM_DATA_BIT_8); 642 break; 643 default: 644 return (EIO); 645 } 646 647 err = uvscom_set_line_coding(sc, lsp, ls); 648 if (err) 649 return (EIO); 650 651 if (ISSET(t->c_cflag, CRTSCTS)) { 652 err = uvscom_set_crtscts(sc); 653 if (err) 654 return (EIO); 655 } 656 657 return (0); 658 } 659 660 int 661 uvscom_open(void *addr, int portno) 662 { 663 struct uvscom_softc *sc = addr; 664 int err; 665 int i; 666 667 if (usbd_is_dying(sc->sc_udev)) 668 return (EIO); 669 670 DPRINTF(("uvscom_open: sc = %p\n", sc)); 671 672 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 673 DPRINTF(("uvscom_open: open interrupt pipe.\n")); 674 675 sc->sc_usr = 0; /* clear unit status */ 676 677 err = uvscom_readstat(sc); 678 if (err) { 679 DPRINTF(("%s: uvscom_open: readstat faild\n", 680 sc->sc_dev.dv_xname)); 681 return (EIO); 682 } 683 684 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 685 err = usbd_open_pipe_intr(sc->sc_iface, 686 sc->sc_intr_number, 687 USBD_SHORT_XFER_OK, 688 &sc->sc_intr_pipe, 689 sc, 690 sc->sc_intr_buf, 691 sc->sc_isize, 692 uvscom_intr, 693 UVSCOM_INTR_INTERVAL); 694 if (err) { 695 printf("%s: cannot open interrupt pipe (addr %d)\n", 696 sc->sc_dev.dv_xname, 697 sc->sc_intr_number); 698 return (EIO); 699 } 700 } else { 701 DPRINTF(("uvscom_open: did not open interrupt pipe.\n")); 702 } 703 704 if ((sc->sc_usr & UVSCOM_USTAT_MASK) == 0) { 705 /* unit is not ready */ 706 707 for (i = UVSCOM_UNIT_WAIT; i > 0; --i) { 708 tsleep_nsec(&err, TTIPRI, "uvsop", SEC_TO_NSEC(1)); 709 if (ISSET(sc->sc_usr, UVSCOM_USTAT_MASK)) 710 break; 711 } 712 if (i == 0) { 713 DPRINTF(("%s: unit is not ready\n", 714 sc->sc_dev.dv_xname)); 715 return (EIO); 716 } 717 718 /* check PC card was inserted */ 719 if (ISSET(sc->sc_usr, UVSCOM_NOCARD)) { 720 DPRINTF(("%s: no card\n", 721 sc->sc_dev.dv_xname)); 722 return (EIO); 723 } 724 } 725 726 return (0); 727 } 728 729 void 730 uvscom_close(void *addr, int portno) 731 { 732 struct uvscom_softc *sc = addr; 733 int err; 734 735 if (usbd_is_dying(sc->sc_udev)) 736 return; 737 738 DPRINTF(("uvscom_close: close\n")); 739 740 uvscom_shutdown(sc); 741 742 if (sc->sc_intr_pipe != NULL) { 743 err = usbd_close_pipe(sc->sc_intr_pipe); 744 if (err) 745 printf("%s: close interrupt pipe failed: %s\n", 746 sc->sc_dev.dv_xname, 747 usbd_errstr(err)); 748 free(sc->sc_intr_buf, M_USBDEV, sc->sc_isize); 749 sc->sc_intr_pipe = NULL; 750 } 751 } 752 753 void 754 uvscom_intr(struct usbd_xfer *xfer, void *priv, usbd_status status) 755 { 756 struct uvscom_softc *sc = priv; 757 u_char *buf = sc->sc_intr_buf; 758 u_char pstatus; 759 760 if (usbd_is_dying(sc->sc_udev)) 761 return; 762 763 if (status != USBD_NORMAL_COMPLETION) { 764 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 765 return; 766 767 printf("%s: uvscom_intr: abnormal status: %s\n", 768 sc->sc_dev.dv_xname, 769 usbd_errstr(status)); 770 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 771 return; 772 } 773 774 DPRINTFN(2, ("%s: uvscom status = %02x %02x\n", 775 sc->sc_dev.dv_xname, buf[0], buf[1])); 776 777 sc->sc_lsr = sc->sc_msr = 0; 778 sc->sc_usr = buf[1]; 779 780 pstatus = buf[0]; 781 if (ISSET(pstatus, UVSCOM_TXRDY)) 782 SET(sc->sc_lsr, ULSR_TXRDY); 783 if (ISSET(pstatus, UVSCOM_RXRDY)) 784 SET(sc->sc_lsr, ULSR_RXRDY); 785 786 pstatus = buf[1]; 787 if (ISSET(pstatus, UVSCOM_CTS)) 788 SET(sc->sc_msr, UMSR_CTS); 789 if (ISSET(pstatus, UVSCOM_DSR)) 790 SET(sc->sc_msr, UMSR_DSR); 791 if (ISSET(pstatus, UVSCOM_DCD)) 792 SET(sc->sc_msr, UMSR_DCD); 793 794 ucom_status_change((struct ucom_softc *) sc->sc_subdev); 795 } 796 797 void 798 uvscom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 799 { 800 struct uvscom_softc *sc = addr; 801 802 if (lsr != NULL) 803 *lsr = sc->sc_lsr; 804 if (msr != NULL) 805 *msr = sc->sc_msr; 806 } 807