uvscom.c revision 1.28.16.1
1 /* $NetBSD: uvscom.c,v 1.28.16.1 2014/12/03 14:18:07 skrll Exp $ */ 2 /*- 3 * Copyright (c) 2001-2002, Shunsuke Akiyama <akiyama (at) jp.FreeBSD.org>. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD: src/sys/dev/usb/uvscom.c,v 1.1 2002/03/18 18:23:39 joe Exp $ 28 */ 29 30 /* 31 * uvscom: SUNTAC Slipper U VS-10U driver. 32 * Slipper U is a PC card to USB converter for data communication card 33 * adapter. It supports DDI Pocket's Air H" C@rd, C@rd H" 64, NTT's P-in, 34 * P-in m@ater and various data communication card adapters. 35 */ 36 37 #include <sys/cdefs.h> 38 __KERNEL_RCSID(0, "$NetBSD: uvscom.c,v 1.28.16.1 2014/12/03 14:18:07 skrll Exp $"); 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/kernel.h> 43 #include <sys/kmem.h> 44 #include <sys/fcntl.h> 45 #include <sys/conf.h> 46 #include <sys/tty.h> 47 #include <sys/file.h> 48 #include <sys/ioctl.h> 49 #include <sys/device.h> 50 #include <sys/proc.h> 51 #include <sys/poll.h> 52 53 #include <dev/usb/usb.h> 54 #include <dev/usb/usbcdc.h> 55 56 #include <dev/usb/usbdi.h> 57 #include <dev/usb/usbdi_util.h> 58 #include <dev/usb/usbdevs.h> 59 #include <dev/usb/usb_quirks.h> 60 61 #include <dev/usb/ucomvar.h> 62 63 #ifdef UVSCOM_DEBUG 64 static int uvscomdebug = 1; 65 66 #define DPRINTFN(n, x) do { \ 67 if (uvscomdebug > (n)) \ 68 printf x; \ 69 } while (0) 70 #else 71 #define DPRINTFN(n, x) 72 #endif 73 #define DPRINTF(x) DPRINTFN(0, x) 74 75 #define UVSCOM_CONFIG_INDEX 0 76 #define UVSCOM_IFACE_INDEX 0 77 78 #define UVSCOM_INTR_INTERVAL 100 /* mS */ 79 80 #define UVSCOM_UNIT_WAIT 5 81 82 /* Request */ 83 #define UVSCOM_SET_SPEED 0x10 84 #define UVSCOM_LINE_CTL 0x11 85 #define UVSCOM_SET_PARAM 0x12 86 #define UVSCOM_READ_STATUS 0xd0 87 #define UVSCOM_SHUTDOWN 0xe0 88 89 /* UVSCOM_SET_SPEED parameters */ 90 #define UVSCOM_SPEED_150BPS 0x00 91 #define UVSCOM_SPEED_300BPS 0x01 92 #define UVSCOM_SPEED_600BPS 0x02 93 #define UVSCOM_SPEED_1200BPS 0x03 94 #define UVSCOM_SPEED_2400BPS 0x04 95 #define UVSCOM_SPEED_4800BPS 0x05 96 #define UVSCOM_SPEED_9600BPS 0x06 97 #define UVSCOM_SPEED_19200BPS 0x07 98 #define UVSCOM_SPEED_38400BPS 0x08 99 #define UVSCOM_SPEED_57600BPS 0x09 100 #define UVSCOM_SPEED_115200BPS 0x0a 101 102 /* UVSCOM_LINE_CTL parameters */ 103 #define UVSCOM_BREAK 0x40 104 #define UVSCOM_RTS 0x02 105 #define UVSCOM_DTR 0x01 106 #define UVSCOM_LINE_INIT 0x08 107 108 /* UVSCOM_SET_PARAM parameters */ 109 #define UVSCOM_DATA_MASK 0x03 110 #define UVSCOM_DATA_BIT_8 0x03 111 #define UVSCOM_DATA_BIT_7 0x02 112 #define UVSCOM_DATA_BIT_6 0x01 113 #define UVSCOM_DATA_BIT_5 0x00 114 115 #define UVSCOM_STOP_MASK 0x04 116 #define UVSCOM_STOP_BIT_2 0x04 117 #define UVSCOM_STOP_BIT_1 0x00 118 119 #define UVSCOM_PARITY_MASK 0x18 120 #define UVSCOM_PARITY_EVEN 0x18 121 #if 0 122 #define UVSCOM_PARITY_UNK 0x10 123 #endif 124 #define UVSCOM_PARITY_ODD 0x08 125 #define UVSCOM_PARITY_NONE 0x00 126 127 /* Status bits */ 128 #define UVSCOM_TXRDY 0x04 129 #define UVSCOM_RXRDY 0x01 130 131 #define UVSCOM_DCD 0x08 132 #define UVSCOM_NOCARD 0x04 133 #define UVSCOM_DSR 0x02 134 #define UVSCOM_CTS 0x01 135 #define UVSCOM_USTAT_MASK (UVSCOM_NOCARD | UVSCOM_DSR | UVSCOM_CTS) 136 137 struct uvscom_softc { 138 device_t sc_dev; /* base device */ 139 usbd_device_handle sc_udev; /* USB device */ 140 usbd_interface_handle sc_iface; /* interface */ 141 int sc_iface_number;/* interface number */ 142 143 usbd_interface_handle sc_intr_iface; /* interrupt interface */ 144 int sc_intr_number; /* interrupt number */ 145 usbd_pipe_handle sc_intr_pipe; /* interrupt pipe */ 146 u_char *sc_intr_buf; /* interrupt buffer */ 147 int sc_isize; 148 149 u_char sc_dtr; /* current DTR state */ 150 u_char sc_rts; /* current RTS state */ 151 152 u_char sc_lsr; /* Local status register */ 153 u_char sc_msr; /* uvscom status register */ 154 155 uint16_t sc_lcr; /* Line control */ 156 u_char sc_usr; /* unit status */ 157 158 device_t sc_subdev; /* ucom device */ 159 u_char sc_dying; /* disconnecting */ 160 }; 161 162 /* 163 * These are the maximum number of bytes transferred per frame. 164 * The output buffer size cannot be increased due to the size encoding. 165 */ 166 #define UVSCOMIBUFSIZE 512 167 #define UVSCOMOBUFSIZE 64 168 169 Static usbd_status uvscom_readstat(struct uvscom_softc *); 170 Static usbd_status uvscom_shutdown(struct uvscom_softc *); 171 Static usbd_status uvscom_reset(struct uvscom_softc *); 172 Static usbd_status uvscom_set_line_coding(struct uvscom_softc *, 173 uint16_t, uint16_t); 174 Static usbd_status uvscom_set_line(struct uvscom_softc *, uint16_t); 175 Static usbd_status uvscom_set_crtscts(struct uvscom_softc *); 176 Static void uvscom_get_status(void *, int, u_char *, u_char *); 177 Static void uvscom_dtr(struct uvscom_softc *, int); 178 Static void uvscom_rts(struct uvscom_softc *, int); 179 Static void uvscom_break(struct uvscom_softc *, int); 180 181 Static void uvscom_set(void *, int, int, int); 182 Static void uvscom_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 183 Static int uvscom_param(void *, int, struct termios *); 184 Static int uvscom_open(void *, int); 185 Static void uvscom_close(void *, int); 186 187 struct ucom_methods uvscom_methods = { 188 uvscom_get_status, 189 uvscom_set, 190 uvscom_param, 191 NULL, /* uvscom_ioctl, TODO */ 192 uvscom_open, 193 uvscom_close, 194 NULL, 195 NULL 196 }; 197 198 static const struct usb_devno uvscom_devs [] = { 199 /* SUNTAC U-Cable type A4 */ 200 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_AS144L4 }, 201 /* SUNTAC U-Cable type D2 */ 202 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_DS96L }, 203 /* SUNTAC U-Cable type P1 */ 204 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_PS64P1 }, 205 /* SUNTAC Slipper U */ 206 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_VS10U }, 207 /* SUNTAC Ir-Trinity */ 208 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_IS96U }, 209 }; 210 #define uvscom_lookup(v, p) usb_lookup(uvscom_devs, v, p) 211 212 int uvscom_match(device_t, cfdata_t, void *); 213 void uvscom_attach(device_t, device_t, void *); 214 void uvscom_childdet(device_t, device_t); 215 int uvscom_detach(device_t, int); 216 int uvscom_activate(device_t, enum devact); 217 extern struct cfdriver uvscom_cd; 218 CFATTACH_DECL2_NEW(uvscom, sizeof(struct uvscom_softc), uvscom_match, 219 uvscom_attach, uvscom_detach, uvscom_activate, NULL, uvscom_childdet); 220 221 int 222 uvscom_match(device_t parent, cfdata_t match, void *aux) 223 { 224 struct usb_attach_arg *uaa = aux; 225 226 return (uvscom_lookup(uaa->vendor, uaa->product) != NULL ? 227 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 228 } 229 230 void 231 uvscom_attach(device_t parent, device_t self, void *aux) 232 { 233 struct uvscom_softc *sc = device_private(self); 234 struct usb_attach_arg *uaa = aux; 235 usbd_device_handle dev = uaa->device; 236 usb_config_descriptor_t *cdesc; 237 usb_interface_descriptor_t *id; 238 usb_endpoint_descriptor_t *ed; 239 char *devinfop; 240 usbd_status err; 241 int i; 242 struct ucom_attach_args uca; 243 244 aprint_naive("\n"); 245 aprint_normal("\n"); 246 247 devinfop = usbd_devinfo_alloc(dev, 0); 248 aprint_normal_dev(self, "%s\n", devinfop); 249 usbd_devinfo_free(devinfop); 250 251 sc->sc_dev = self; 252 sc->sc_udev = dev; 253 254 DPRINTF(("uvscom attach: sc = %p\n", sc)); 255 256 /* initialize endpoints */ 257 uca.bulkin = uca.bulkout = -1; 258 sc->sc_intr_number = -1; 259 sc->sc_intr_pipe = NULL; 260 261 /* Move the device into the configured state. */ 262 err = usbd_set_config_index(dev, UVSCOM_CONFIG_INDEX, 1); 263 if (err) { 264 aprint_error_dev(self, "failed to set configuration, err=%s\n", 265 usbd_errstr(err)); 266 sc->sc_dying = 1; 267 return; 268 } 269 270 /* get the config descriptor */ 271 cdesc = usbd_get_config_descriptor(sc->sc_udev); 272 273 if (cdesc == NULL) { 274 aprint_error_dev(self, 275 "failed to get configuration descriptor\n"); 276 sc->sc_dying = 1; 277 return; 278 } 279 280 /* get the common interface */ 281 err = usbd_device2interface_handle(dev, UVSCOM_IFACE_INDEX, 282 &sc->sc_iface); 283 if (err) { 284 aprint_error_dev(self, "failed to get interface, err=%s\n", 285 usbd_errstr(err)); 286 sc->sc_dying = 1; 287 return; 288 } 289 290 id = usbd_get_interface_descriptor(sc->sc_iface); 291 sc->sc_iface_number = id->bInterfaceNumber; 292 293 /* Find endpoints */ 294 for (i = 0; i < id->bNumEndpoints; i++) { 295 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 296 if (ed == NULL) { 297 aprint_error_dev(self, 298 "no endpoint descriptor for %d\n", i); 299 sc->sc_dying = 1; 300 return; 301 } 302 303 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 304 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 305 uca.bulkin = ed->bEndpointAddress; 306 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 307 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 308 uca.bulkout = ed->bEndpointAddress; 309 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 310 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 311 sc->sc_intr_number = ed->bEndpointAddress; 312 sc->sc_isize = UGETW(ed->wMaxPacketSize); 313 } 314 } 315 316 if (uca.bulkin == -1) { 317 aprint_error_dev(self, "Could not find data bulk in\n"); 318 sc->sc_dying = 1; 319 return; 320 } 321 if (uca.bulkout == -1) { 322 aprint_error_dev(self, "Could not find data bulk out\n"); 323 sc->sc_dying = 1; 324 return; 325 } 326 if (sc->sc_intr_number == -1) { 327 aprint_error_dev(self, "Could not find interrupt in\n"); 328 sc->sc_dying = 1; 329 return; 330 } 331 332 sc->sc_dtr = sc->sc_rts = 0; 333 sc->sc_lcr = UVSCOM_LINE_INIT; 334 335 uca.portno = UCOM_UNK_PORTNO; 336 /* bulkin, bulkout set above */ 337 uca.ibufsize = UVSCOMIBUFSIZE; 338 uca.obufsize = UVSCOMOBUFSIZE; 339 uca.ibufsizepad = UVSCOMIBUFSIZE; 340 uca.opkthdrlen = 0; 341 uca.device = dev; 342 uca.iface = sc->sc_iface; 343 uca.methods = &uvscom_methods; 344 uca.arg = sc; 345 uca.info = NULL; 346 347 err = uvscom_reset(sc); 348 349 if (err) { 350 aprint_error_dev(self, "reset failed, %s\n", usbd_errstr(err)); 351 sc->sc_dying = 1; 352 return; 353 } 354 355 DPRINTF(("uvscom: in = 0x%x out = 0x%x intr = 0x%x\n", 356 uca.bulkin, uca.bulkout, sc->sc_intr_number)); 357 358 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 359 sc->sc_dev); 360 361 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 362 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 363 sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &uca, 364 ucomprint, ucomsubmatch); 365 366 return; 367 } 368 369 void 370 uvscom_childdet(device_t self, device_t child) 371 { 372 struct uvscom_softc *sc = device_private(self); 373 374 KASSERT(sc->sc_subdev == child); 375 sc->sc_subdev = NULL; 376 } 377 378 int 379 uvscom_detach(device_t self, int flags) 380 { 381 struct uvscom_softc *sc = device_private(self); 382 int rv = 0; 383 384 DPRINTF(("uvscom_detach: sc = %p\n", sc)); 385 386 sc->sc_dying = 1; 387 388 if (sc->sc_intr_pipe != NULL) { 389 usbd_abort_pipe(sc->sc_intr_pipe); 390 usbd_close_pipe(sc->sc_intr_pipe); 391 kmem_free(sc->sc_intr_buf, sc->sc_isize); 392 sc->sc_intr_pipe = NULL; 393 } 394 395 sc->sc_dying = 1; 396 if (sc->sc_subdev != NULL) 397 rv = config_detach(sc->sc_subdev, flags); 398 399 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 400 sc->sc_dev); 401 402 return (rv); 403 } 404 405 int 406 uvscom_activate(device_t self, enum devact act) 407 { 408 struct uvscom_softc *sc = device_private(self); 409 410 switch (act) { 411 case DVACT_DEACTIVATE: 412 sc->sc_dying = 1; 413 return 0; 414 default: 415 return EOPNOTSUPP; 416 } 417 } 418 419 Static 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", device_xname(sc->sc_dev))); 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 aprint_error_dev(sc->sc_dev, "uvscom_readstat: %s\n", 437 usbd_errstr(err)); 438 return (err); 439 } 440 441 DPRINTF(("%s: uvscom_readstat: r = %d\n", 442 device_xname(sc->sc_dev), r)); 443 444 return (USBD_NORMAL_COMPLETION); 445 } 446 447 Static 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", device_xname(sc->sc_dev))); 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 aprint_error_dev(sc->sc_dev, "uvscom_shutdown: %s\n", 464 usbd_errstr(err)); 465 return (err); 466 } 467 468 return (USBD_NORMAL_COMPLETION); 469 } 470 471 Static usbd_status 472 uvscom_reset(struct uvscom_softc *sc) 473 { 474 DPRINTF(("%s: uvscom_reset\n", device_xname(sc->sc_dev))); 475 476 return (USBD_NORMAL_COMPLETION); 477 } 478 479 Static usbd_status 480 uvscom_set_crtscts(struct uvscom_softc *sc) 481 { 482 DPRINTF(("%s: uvscom_set_crtscts\n", device_xname(sc->sc_dev))); 483 484 return (USBD_NORMAL_COMPLETION); 485 } 486 487 Static 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 device_xname(sc->sc_dev), 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 aprint_error_dev(sc->sc_dev, "uvscom_set_line: %s\n", 505 usbd_errstr(err)); 506 return (err); 507 } 508 509 return (USBD_NORMAL_COMPLETION); 510 } 511 512 Static 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 device_xname(sc->sc_dev), 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 aprint_error_dev(sc->sc_dev, "uvscom_set_line_coding: %s\n", 530 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 aprint_error_dev(sc->sc_dev, "uvscom_set_line_coding: %s\n", 543 usbd_errstr(err)); 544 return (err); 545 } 546 547 return (USBD_NORMAL_COMPLETION); 548 } 549 550 Static void 551 uvscom_dtr(struct uvscom_softc *sc, int onoff) 552 { 553 DPRINTF(("%s: uvscom_dtr: onoff = %d\n", 554 device_xname(sc->sc_dev), 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 Static void 570 uvscom_rts(struct uvscom_softc *sc, int onoff) 571 { 572 DPRINTF(("%s: uvscom_rts: onoff = %d\n", 573 device_xname(sc->sc_dev), 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 Static void 589 uvscom_break(struct uvscom_softc *sc, int onoff) 590 { 591 DPRINTF(("%s: uvscom_break: onoff = %d\n", 592 device_xname(sc->sc_dev), onoff)); 593 594 if (onoff) 595 uvscom_set_line(sc, SET(sc->sc_lcr, UVSCOM_BREAK)); 596 } 597 598 Static 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 Static 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 device_xname(sc->sc_dev), 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 Static 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 device_xname(sc->sc_dev))); 733 return (EIO); 734 } 735 736 sc->sc_intr_buf = kmem_alloc(sc->sc_isize, KM_SLEEP); 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 aprint_error_dev(sc->sc_dev, 748 "cannot open interrupt pipe (addr %d)\n", 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 device_xname(sc->sc_dev))); 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 device_xname(sc->sc_dev))); 774 return (EIO); 775 } 776 } 777 778 return (0); 779 } 780 781 Static 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 aprint_error_dev(sc->sc_dev, 798 "abort interrupt pipe failed: %s\n", 799 usbd_errstr(err)); 800 err = usbd_close_pipe(sc->sc_intr_pipe); 801 if (err) 802 aprint_error_dev(sc->sc_dev, 803 "lose interrupt pipe failed: %s\n", 804 usbd_errstr(err)); 805 kmem_free(sc->sc_intr_buf, sc->sc_isize); 806 sc->sc_intr_pipe = NULL; 807 } 808 } 809 810 Static void 811 uvscom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, 812 usbd_status status) 813 { 814 struct uvscom_softc *sc = priv; 815 u_char *buf = sc->sc_intr_buf; 816 u_char pstatus; 817 818 if (sc->sc_dying) 819 return; 820 821 if (status != USBD_NORMAL_COMPLETION) { 822 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 823 return; 824 825 aprint_error_dev(sc->sc_dev, 826 "uvscom_intr: abnormal status: %s\n", 827 usbd_errstr(status)); 828 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 829 return; 830 } 831 832 DPRINTFN(2, ("%s: uvscom status = %02x %02x\n", 833 device_xname(sc->sc_dev), buf[0], buf[1])); 834 835 sc->sc_lsr = sc->sc_msr = 0; 836 sc->sc_usr = buf[1]; 837 838 pstatus = buf[0]; 839 if (ISSET(pstatus, UVSCOM_TXRDY)) 840 SET(sc->sc_lsr, ULSR_TXRDY); 841 if (ISSET(pstatus, UVSCOM_RXRDY)) 842 SET(sc->sc_lsr, ULSR_RXRDY); 843 844 pstatus = buf[1]; 845 if (ISSET(pstatus, UVSCOM_CTS)) 846 SET(sc->sc_msr, UMSR_CTS); 847 if (ISSET(pstatus, UVSCOM_DSR)) 848 SET(sc->sc_msr, UMSR_DSR); 849 if (ISSET(pstatus, UVSCOM_DCD)) 850 SET(sc->sc_msr, UMSR_DCD); 851 852 ucom_status_change(device_private(sc->sc_subdev)); 853 } 854 855 Static void 856 uvscom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 857 { 858 struct uvscom_softc *sc = addr; 859 860 if (lsr != NULL) 861 *lsr = sc->sc_lsr; 862 if (msr != NULL) 863 *msr = sc->sc_msr; 864 } 865 866
Indexes created Wed Oct 15 16:09:53 GMT 2025