uvscom.c revision 1.20.18.1
1 /* $NetBSD: uvscom.c,v 1.20.18.1 2008/02/18 21:06:27 mjf 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 1.20.18.1 2008/02/18 21:06:27 mjf Exp $"); 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/kernel.h> 43 #include <sys/malloc.h> 44 #include <sys/fcntl.h> 45 #include <sys/conf.h> 46 #include <sys/tty.h> 47 #include <sys/file.h> 48 #if defined(__FreeBSD__) 49 #include <sys/bus.h> 50 #include <sys/ioccom.h> 51 #if __FreeBSD_version >= 500014 52 #include <sys/selinfo.h> 53 #else 54 #include <sys/select.h> 55 #endif 56 #else 57 #include <sys/ioctl.h> 58 #include <sys/device.h> 59 #endif 60 #include <sys/proc.h> 61 #include <sys/poll.h> 62 63 #include <dev/usb/usb.h> 64 #include <dev/usb/usbcdc.h> 65 66 #include <dev/usb/usbdi.h> 67 #include <dev/usb/usbdi_util.h> 68 #include <dev/usb/usbdevs.h> 69 #include <dev/usb/usb_quirks.h> 70 71 #include <dev/usb/ucomvar.h> 72 73 #ifdef UVSCOM_DEBUG 74 static int uvscomdebug = 1; 75 76 #if defined(__FreeBSD__) 77 #include <sys/sysctl.h> 78 79 SYSCTL_DECL(_debug_usb); 80 SYSCTL_INT(_debug_usb, OID_AUTO, uvscom, CTLFLAG_RW, 81 &uvscomdebug, 0, "uvscom debug level"); 82 83 #endif 84 85 #define DPRINTFN(n, x) do { \ 86 if (uvscomdebug > (n)) \ 87 logprintf x; \ 88 } while (0) 89 #else 90 #define DPRINTFN(n, x) 91 #endif 92 #define DPRINTF(x) DPRINTFN(0, x) 93 94 #if defined(__FreeBSD__) 95 #define UVSCOM_MODVER 1 /* module version */ 96 #endif 97 98 #define UVSCOM_CONFIG_INDEX 0 99 #define UVSCOM_IFACE_INDEX 0 100 101 #define UVSCOM_INTR_INTERVAL 100 /* mS */ 102 103 #define UVSCOM_UNIT_WAIT 5 104 105 /* Request */ 106 #define UVSCOM_SET_SPEED 0x10 107 #define UVSCOM_LINE_CTL 0x11 108 #define UVSCOM_SET_PARAM 0x12 109 #define UVSCOM_READ_STATUS 0xd0 110 #define UVSCOM_SHUTDOWN 0xe0 111 112 /* UVSCOM_SET_SPEED parameters */ 113 #define UVSCOM_SPEED_150BPS 0x00 114 #define UVSCOM_SPEED_300BPS 0x01 115 #define UVSCOM_SPEED_600BPS 0x02 116 #define UVSCOM_SPEED_1200BPS 0x03 117 #define UVSCOM_SPEED_2400BPS 0x04 118 #define UVSCOM_SPEED_4800BPS 0x05 119 #define UVSCOM_SPEED_9600BPS 0x06 120 #define UVSCOM_SPEED_19200BPS 0x07 121 #define UVSCOM_SPEED_38400BPS 0x08 122 #define UVSCOM_SPEED_57600BPS 0x09 123 #define UVSCOM_SPEED_115200BPS 0x0a 124 125 /* UVSCOM_LINE_CTL parameters */ 126 #define UVSCOM_BREAK 0x40 127 #define UVSCOM_RTS 0x02 128 #define UVSCOM_DTR 0x01 129 #define UVSCOM_LINE_INIT 0x08 130 131 /* UVSCOM_SET_PARAM parameters */ 132 #define UVSCOM_DATA_MASK 0x03 133 #define UVSCOM_DATA_BIT_8 0x03 134 #define UVSCOM_DATA_BIT_7 0x02 135 #define UVSCOM_DATA_BIT_6 0x01 136 #define UVSCOM_DATA_BIT_5 0x00 137 138 #define UVSCOM_STOP_MASK 0x04 139 #define UVSCOM_STOP_BIT_2 0x04 140 #define UVSCOM_STOP_BIT_1 0x00 141 142 #define UVSCOM_PARITY_MASK 0x18 143 #define UVSCOM_PARITY_EVEN 0x18 144 #if 0 145 #define UVSCOM_PARITY_UNK 0x10 146 #endif 147 #define UVSCOM_PARITY_ODD 0x08 148 #define UVSCOM_PARITY_NONE 0x00 149 150 /* Status bits */ 151 #define UVSCOM_TXRDY 0x04 152 #define UVSCOM_RXRDY 0x01 153 154 #define UVSCOM_DCD 0x08 155 #define UVSCOM_NOCARD 0x04 156 #define UVSCOM_DSR 0x02 157 #define UVSCOM_CTS 0x01 158 #define UVSCOM_USTAT_MASK (UVSCOM_NOCARD | UVSCOM_DSR | UVSCOM_CTS) 159 160 struct uvscom_softc { 161 USBBASEDEVICE sc_dev; /* base device */ 162 usbd_device_handle sc_udev; /* USB device */ 163 usbd_interface_handle sc_iface; /* interface */ 164 int sc_iface_number;/* interface number */ 165 166 usbd_interface_handle sc_intr_iface; /* interrupt interface */ 167 int sc_intr_number; /* interrupt number */ 168 usbd_pipe_handle sc_intr_pipe; /* interrupt pipe */ 169 u_char *sc_intr_buf; /* interrupt buffer */ 170 int sc_isize; 171 172 u_char sc_dtr; /* current DTR state */ 173 u_char sc_rts; /* current RTS state */ 174 175 u_char sc_lsr; /* Local status register */ 176 u_char sc_msr; /* uvscom status register */ 177 178 uint16_t sc_lcr; /* Line control */ 179 u_char sc_usr; /* unit status */ 180 181 device_ptr_t sc_subdev; /* ucom device */ 182 u_char sc_dying; /* disconnecting */ 183 }; 184 185 /* 186 * These are the maximum number of bytes transferred per frame. 187 * The output buffer size cannot be increased due to the size encoding. 188 */ 189 #define UVSCOMIBUFSIZE 512 190 #define UVSCOMOBUFSIZE 64 191 192 Static usbd_status uvscom_readstat(struct uvscom_softc *); 193 Static usbd_status uvscom_shutdown(struct uvscom_softc *); 194 Static usbd_status uvscom_reset(struct uvscom_softc *); 195 Static usbd_status uvscom_set_line_coding(struct uvscom_softc *, 196 uint16_t, uint16_t); 197 Static usbd_status uvscom_set_line(struct uvscom_softc *, uint16_t); 198 Static usbd_status uvscom_set_crtscts(struct uvscom_softc *); 199 Static void uvscom_get_status(void *, int, u_char *, u_char *); 200 Static void uvscom_dtr(struct uvscom_softc *, int); 201 Static void uvscom_rts(struct uvscom_softc *, int); 202 Static void uvscom_break(struct uvscom_softc *, int); 203 204 Static void uvscom_set(void *, int, int, int); 205 Static void uvscom_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 206 Static int uvscom_param(void *, int, struct termios *); 207 Static int uvscom_open(void *, int); 208 Static void uvscom_close(void *, int); 209 210 struct ucom_methods uvscom_methods = { 211 uvscom_get_status, 212 uvscom_set, 213 uvscom_param, 214 NULL, /* uvscom_ioctl, TODO */ 215 uvscom_open, 216 uvscom_close, 217 NULL, 218 NULL 219 }; 220 221 static const struct usb_devno uvscom_devs [] = { 222 /* SUNTAC U-Cable type A4 */ 223 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_AS144L4 }, 224 /* SUNTAC U-Cable type D2 */ 225 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_DS96L }, 226 /* SUNTAC U-Cable type P1 */ 227 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_PS64P1 }, 228 /* SUNTAC Slipper U */ 229 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_VS10U }, 230 /* SUNTAC Ir-Trinity */ 231 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_IS96U }, 232 }; 233 #define uvscom_lookup(v, p) usb_lookup(uvscom_devs, v, p) 234 235 int uvscom_match(device_t, struct cfdata *, void *); 236 void uvscom_attach(device_t, device_t, void *); 237 void uvscom_childdet(device_t, device_t); 238 int uvscom_detach(device_t, int); 239 int uvscom_activate(device_t, enum devact); 240 extern struct cfdriver uvscom_cd; 241 CFATTACH_DECL2(uvscom, sizeof(struct uvscom_softc), uvscom_match, 242 uvscom_attach, uvscom_detach, uvscom_activate, NULL, uvscom_childdet); 243 244 USB_MATCH(uvscom) 245 { 246 USB_MATCH_START(uvscom, uaa); 247 248 return (uvscom_lookup(uaa->vendor, uaa->product) != NULL ? 249 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 250 } 251 252 USB_ATTACH(uvscom) 253 { 254 USB_ATTACH_START(uvscom, sc, uaa); 255 usbd_device_handle dev = uaa->device; 256 usb_config_descriptor_t *cdesc; 257 usb_interface_descriptor_t *id; 258 usb_endpoint_descriptor_t *ed; 259 char *devinfop; 260 const char *devname = USBDEVNAME(sc->sc_dev); 261 usbd_status err; 262 int i; 263 struct ucom_attach_args uca; 264 265 devinfop = usbd_devinfo_alloc(dev, 0); 266 USB_ATTACH_SETUP; 267 printf("%s: %s\n", devname, devinfop); 268 usbd_devinfo_free(devinfop); 269 270 sc->sc_udev = dev; 271 272 DPRINTF(("uvscom attach: sc = %p\n", sc)); 273 274 /* initialize endpoints */ 275 uca.bulkin = uca.bulkout = -1; 276 sc->sc_intr_number = -1; 277 sc->sc_intr_pipe = NULL; 278 279 /* Move the device into the configured state. */ 280 err = usbd_set_config_index(dev, UVSCOM_CONFIG_INDEX, 1); 281 if (err) { 282 printf("%s: failed to set configuration, err=%s\n", 283 devname, usbd_errstr(err)); 284 sc->sc_dying = 1; 285 USB_ATTACH_ERROR_RETURN; 286 } 287 288 /* get the config descriptor */ 289 cdesc = usbd_get_config_descriptor(sc->sc_udev); 290 291 if (cdesc == NULL) { 292 printf("%s: failed to get configuration descriptor\n", 293 USBDEVNAME(sc->sc_dev)); 294 sc->sc_dying = 1; 295 USB_ATTACH_ERROR_RETURN; 296 } 297 298 /* get the common interface */ 299 err = usbd_device2interface_handle(dev, UVSCOM_IFACE_INDEX, 300 &sc->sc_iface); 301 if (err) { 302 printf("%s: failed to get interface, err=%s\n", 303 devname, usbd_errstr(err)); 304 sc->sc_dying = 1; 305 USB_ATTACH_ERROR_RETURN; 306 } 307 308 id = usbd_get_interface_descriptor(sc->sc_iface); 309 sc->sc_iface_number = id->bInterfaceNumber; 310 311 /* Find endpoints */ 312 for (i = 0; i < id->bNumEndpoints; i++) { 313 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 314 if (ed == NULL) { 315 printf("%s: no endpoint descriptor for %d\n", 316 USBDEVNAME(sc->sc_dev), i); 317 sc->sc_dying = 1; 318 USB_ATTACH_ERROR_RETURN; 319 } 320 321 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 322 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 323 uca.bulkin = ed->bEndpointAddress; 324 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 325 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 326 uca.bulkout = ed->bEndpointAddress; 327 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 328 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 329 sc->sc_intr_number = ed->bEndpointAddress; 330 sc->sc_isize = UGETW(ed->wMaxPacketSize); 331 } 332 } 333 334 if (uca.bulkin == -1) { 335 printf("%s: Could not find data bulk in\n", 336 USBDEVNAME(sc->sc_dev)); 337 sc->sc_dying = 1; 338 USB_ATTACH_ERROR_RETURN; 339 } 340 if (uca.bulkout == -1) { 341 printf("%s: Could not find data bulk out\n", 342 USBDEVNAME(sc->sc_dev)); 343 sc->sc_dying = 1; 344 USB_ATTACH_ERROR_RETURN; 345 } 346 if (sc->sc_intr_number == -1) { 347 printf("%s: Could not find interrupt in\n", 348 USBDEVNAME(sc->sc_dev)); 349 sc->sc_dying = 1; 350 USB_ATTACH_ERROR_RETURN; 351 } 352 353 sc->sc_dtr = sc->sc_rts = 0; 354 sc->sc_lcr = UVSCOM_LINE_INIT; 355 356 uca.portno = UCOM_UNK_PORTNO; 357 /* bulkin, bulkout set above */ 358 uca.ibufsize = UVSCOMIBUFSIZE; 359 uca.obufsize = UVSCOMOBUFSIZE; 360 uca.ibufsizepad = UVSCOMIBUFSIZE; 361 uca.opkthdrlen = 0; 362 uca.device = dev; 363 uca.iface = sc->sc_iface; 364 uca.methods = &uvscom_methods; 365 uca.arg = sc; 366 uca.info = NULL; 367 368 err = uvscom_reset(sc); 369 370 if (err) { 371 printf("%s: reset failed, %s\n", USBDEVNAME(sc->sc_dev), 372 usbd_errstr(err)); 373 sc->sc_dying = 1; 374 USB_ATTACH_ERROR_RETURN; 375 } 376 377 DPRINTF(("uvscom: in = 0x%x out = 0x%x intr = 0x%x\n", 378 uca.bulkin, uca.bulkout, sc->sc_intr_number)); 379 380 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 381 USBDEV(sc->sc_dev)); 382 383 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 384 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 385 sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &uca, 386 ucomprint, ucomsubmatch); 387 388 USB_ATTACH_SUCCESS_RETURN; 389 } 390 391 void 392 uvscom_childdet(device_t self, device_t child) 393 { 394 struct uvscom_softc *sc = device_private(self); 395 396 KASSERT(sc->sc_subdev == child); 397 sc->sc_subdev = NULL; 398 } 399 400 USB_DETACH(uvscom) 401 { 402 USB_DETACH_START(uvscom, sc); 403 int rv = 0; 404 405 DPRINTF(("uvscom_detach: sc = %p\n", sc)); 406 407 sc->sc_dying = 1; 408 409 if (sc->sc_intr_pipe != NULL) { 410 usbd_abort_pipe(sc->sc_intr_pipe); 411 usbd_close_pipe(sc->sc_intr_pipe); 412 free(sc->sc_intr_buf, M_USBDEV); 413 sc->sc_intr_pipe = NULL; 414 } 415 416 sc->sc_dying = 1; 417 if (sc->sc_subdev != NULL) 418 rv = config_detach(sc->sc_subdev, flags); 419 420 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 421 USBDEV(sc->sc_dev)); 422 423 return (rv); 424 } 425 426 int 427 uvscom_activate(device_t self, enum devact act) 428 { 429 struct uvscom_softc *sc = device_private(self); 430 int rv = 0; 431 432 switch (act) { 433 case DVACT_ACTIVATE: 434 return (EOPNOTSUPP); 435 436 case DVACT_DEACTIVATE: 437 if (sc->sc_subdev != NULL) 438 rv = config_deactivate(sc->sc_subdev); 439 sc->sc_dying = 1; 440 break; 441 } 442 return (rv); 443 } 444 445 Static usbd_status 446 uvscom_readstat(struct uvscom_softc *sc) 447 { 448 usb_device_request_t req; 449 usbd_status err; 450 uint16_t r; 451 452 DPRINTF(("%s: send readstat\n", USBDEVNAME(sc->sc_dev))); 453 454 req.bmRequestType = UT_READ_VENDOR_DEVICE; 455 req.bRequest = UVSCOM_READ_STATUS; 456 USETW(req.wValue, 0); 457 USETW(req.wIndex, 0); 458 USETW(req.wLength, 2); 459 460 err = usbd_do_request(sc->sc_udev, &req, &r); 461 if (err) { 462 printf("%s: uvscom_readstat: %s\n", 463 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 464 return (err); 465 } 466 467 DPRINTF(("%s: uvscom_readstat: r = %d\n", 468 USBDEVNAME(sc->sc_dev), r)); 469 470 return (USBD_NORMAL_COMPLETION); 471 } 472 473 Static usbd_status 474 uvscom_shutdown(struct uvscom_softc *sc) 475 { 476 usb_device_request_t req; 477 usbd_status err; 478 479 DPRINTF(("%s: send shutdown\n", USBDEVNAME(sc->sc_dev))); 480 481 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 482 req.bRequest = UVSCOM_SHUTDOWN; 483 USETW(req.wValue, 0); 484 USETW(req.wIndex, 0); 485 USETW(req.wLength, 0); 486 487 err = usbd_do_request(sc->sc_udev, &req, NULL); 488 if (err) { 489 printf("%s: uvscom_shutdown: %s\n", 490 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 491 return (err); 492 } 493 494 return (USBD_NORMAL_COMPLETION); 495 } 496 497 Static usbd_status 498 uvscom_reset(struct uvscom_softc *sc) 499 { 500 DPRINTF(("%s: uvscom_reset\n", USBDEVNAME(sc->sc_dev))); 501 502 return (USBD_NORMAL_COMPLETION); 503 } 504 505 Static usbd_status 506 uvscom_set_crtscts(struct uvscom_softc *sc) 507 { 508 DPRINTF(("%s: uvscom_set_crtscts\n", USBDEVNAME(sc->sc_dev))); 509 510 return (USBD_NORMAL_COMPLETION); 511 } 512 513 Static usbd_status 514 uvscom_set_line(struct uvscom_softc *sc, uint16_t line) 515 { 516 usb_device_request_t req; 517 usbd_status err; 518 519 DPRINTF(("%s: uvscom_set_line: %04x\n", 520 USBDEVNAME(sc->sc_dev), line)); 521 522 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 523 req.bRequest = UVSCOM_LINE_CTL; 524 USETW(req.wValue, line); 525 USETW(req.wIndex, 0); 526 USETW(req.wLength, 0); 527 528 err = usbd_do_request(sc->sc_udev, &req, NULL); 529 if (err) { 530 printf("%s: uvscom_set_line: %s\n", 531 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 532 return (err); 533 } 534 535 return (USBD_NORMAL_COMPLETION); 536 } 537 538 Static usbd_status 539 uvscom_set_line_coding(struct uvscom_softc *sc, uint16_t lsp, uint16_t ls) 540 { 541 usb_device_request_t req; 542 usbd_status err; 543 544 DPRINTF(("%s: uvscom_set_line_coding: %02x %02x\n", 545 USBDEVNAME(sc->sc_dev), lsp, ls)); 546 547 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 548 req.bRequest = UVSCOM_SET_SPEED; 549 USETW(req.wValue, lsp); 550 USETW(req.wIndex, 0); 551 USETW(req.wLength, 0); 552 553 err = usbd_do_request(sc->sc_udev, &req, NULL); 554 if (err) { 555 printf("%s: uvscom_set_line_coding: %s\n", 556 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 557 return (err); 558 } 559 560 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 561 req.bRequest = UVSCOM_SET_PARAM; 562 USETW(req.wValue, ls); 563 USETW(req.wIndex, 0); 564 USETW(req.wLength, 0); 565 566 err = usbd_do_request(sc->sc_udev, &req, NULL); 567 if (err) { 568 printf("%s: uvscom_set_line_coding: %s\n", 569 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 570 return (err); 571 } 572 573 return (USBD_NORMAL_COMPLETION); 574 } 575 576 Static void 577 uvscom_dtr(struct uvscom_softc *sc, int onoff) 578 { 579 DPRINTF(("%s: uvscom_dtr: onoff = %d\n", 580 USBDEVNAME(sc->sc_dev), onoff)); 581 582 if (sc->sc_dtr == onoff) 583 return; /* no change */ 584 585 sc->sc_dtr = onoff; 586 587 if (onoff) 588 SET(sc->sc_lcr, UVSCOM_DTR); 589 else 590 CLR(sc->sc_lcr, UVSCOM_DTR); 591 592 uvscom_set_line(sc, sc->sc_lcr); 593 } 594 595 Static void 596 uvscom_rts(struct uvscom_softc *sc, int onoff) 597 { 598 DPRINTF(("%s: uvscom_rts: onoff = %d\n", 599 USBDEVNAME(sc->sc_dev), onoff)); 600 601 if (sc->sc_rts == onoff) 602 return; /* no change */ 603 604 sc->sc_rts = onoff; 605 606 if (onoff) 607 SET(sc->sc_lcr, UVSCOM_RTS); 608 else 609 CLR(sc->sc_lcr, UVSCOM_RTS); 610 611 uvscom_set_line(sc, sc->sc_lcr); 612 } 613 614 Static void 615 uvscom_break(struct uvscom_softc *sc, int onoff) 616 { 617 DPRINTF(("%s: uvscom_break: onoff = %d\n", 618 USBDEVNAME(sc->sc_dev), onoff)); 619 620 if (onoff) 621 uvscom_set_line(sc, SET(sc->sc_lcr, UVSCOM_BREAK)); 622 } 623 624 Static void 625 uvscom_set(void *addr, int portno, int reg, int onoff) 626 { 627 struct uvscom_softc *sc = addr; 628 629 switch (reg) { 630 case UCOM_SET_DTR: 631 uvscom_dtr(sc, onoff); 632 break; 633 case UCOM_SET_RTS: 634 uvscom_rts(sc, onoff); 635 break; 636 case UCOM_SET_BREAK: 637 uvscom_break(sc, onoff); 638 break; 639 default: 640 break; 641 } 642 } 643 644 Static int 645 uvscom_param(void *addr, int portno, struct termios *t) 646 { 647 struct uvscom_softc *sc = addr; 648 usbd_status err; 649 uint16_t lsp; 650 uint16_t ls; 651 652 DPRINTF(("%s: uvscom_param: sc = %p\n", 653 USBDEVNAME(sc->sc_dev), sc)); 654 655 ls = 0; 656 657 switch (t->c_ospeed) { 658 case B150: 659 lsp = UVSCOM_SPEED_150BPS; 660 break; 661 case B300: 662 lsp = UVSCOM_SPEED_300BPS; 663 break; 664 case B600: 665 lsp = UVSCOM_SPEED_600BPS; 666 break; 667 case B1200: 668 lsp = UVSCOM_SPEED_1200BPS; 669 break; 670 case B2400: 671 lsp = UVSCOM_SPEED_2400BPS; 672 break; 673 case B4800: 674 lsp = UVSCOM_SPEED_4800BPS; 675 break; 676 case B9600: 677 lsp = UVSCOM_SPEED_9600BPS; 678 break; 679 case B19200: 680 lsp = UVSCOM_SPEED_19200BPS; 681 break; 682 case B38400: 683 lsp = UVSCOM_SPEED_38400BPS; 684 break; 685 case B57600: 686 lsp = UVSCOM_SPEED_57600BPS; 687 break; 688 case B115200: 689 lsp = UVSCOM_SPEED_115200BPS; 690 break; 691 default: 692 return (EIO); 693 } 694 695 if (ISSET(t->c_cflag, CSTOPB)) 696 SET(ls, UVSCOM_STOP_BIT_2); 697 else 698 SET(ls, UVSCOM_STOP_BIT_1); 699 700 if (ISSET(t->c_cflag, PARENB)) { 701 if (ISSET(t->c_cflag, PARODD)) 702 SET(ls, UVSCOM_PARITY_ODD); 703 else 704 SET(ls, UVSCOM_PARITY_EVEN); 705 } else 706 SET(ls, UVSCOM_PARITY_NONE); 707 708 switch (ISSET(t->c_cflag, CSIZE)) { 709 case CS5: 710 SET(ls, UVSCOM_DATA_BIT_5); 711 break; 712 case CS6: 713 SET(ls, UVSCOM_DATA_BIT_6); 714 break; 715 case CS7: 716 SET(ls, UVSCOM_DATA_BIT_7); 717 break; 718 case CS8: 719 SET(ls, UVSCOM_DATA_BIT_8); 720 break; 721 default: 722 return (EIO); 723 } 724 725 err = uvscom_set_line_coding(sc, lsp, ls); 726 if (err) 727 return (EIO); 728 729 if (ISSET(t->c_cflag, CRTSCTS)) { 730 err = uvscom_set_crtscts(sc); 731 if (err) 732 return (EIO); 733 } 734 735 return (0); 736 } 737 738 Static int 739 uvscom_open(void *addr, int portno) 740 { 741 struct uvscom_softc *sc = addr; 742 int err; 743 int i; 744 745 if (sc->sc_dying) 746 return (EIO); 747 748 DPRINTF(("uvscom_open: sc = %p\n", sc)); 749 750 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 751 DPRINTF(("uvscom_open: open interrupt pipe.\n")); 752 753 sc->sc_usr = 0; /* clear unit status */ 754 755 err = uvscom_readstat(sc); 756 if (err) { 757 DPRINTF(("%s: uvscom_open: readstat faild\n", 758 USBDEVNAME(sc->sc_dev))); 759 return (EIO); 760 } 761 762 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 763 err = usbd_open_pipe_intr(sc->sc_iface, 764 sc->sc_intr_number, 765 USBD_SHORT_XFER_OK, 766 &sc->sc_intr_pipe, 767 sc, 768 sc->sc_intr_buf, 769 sc->sc_isize, 770 uvscom_intr, 771 UVSCOM_INTR_INTERVAL); 772 if (err) { 773 printf("%s: cannot open interrupt pipe (addr %d)\n", 774 USBDEVNAME(sc->sc_dev), 775 sc->sc_intr_number); 776 return (EIO); 777 } 778 } else { 779 DPRINTF(("uvscom_open: did not open interrupt pipe.\n")); 780 } 781 782 if ((sc->sc_usr & UVSCOM_USTAT_MASK) == 0) { 783 /* unit is not ready */ 784 785 for (i = UVSCOM_UNIT_WAIT; i > 0; --i) { 786 tsleep(&err, TTIPRI, "uvsop", hz); /* XXX */ 787 if (ISSET(sc->sc_usr, UVSCOM_USTAT_MASK)) 788 break; 789 } 790 if (i == 0) { 791 DPRINTF(("%s: unit is not ready\n", 792 USBDEVNAME(sc->sc_dev))); 793 return (EIO); 794 } 795 796 /* check PC card was inserted */ 797 if (ISSET(sc->sc_usr, UVSCOM_NOCARD)) { 798 DPRINTF(("%s: no card\n", 799 USBDEVNAME(sc->sc_dev))); 800 return (EIO); 801 } 802 } 803 804 return (0); 805 } 806 807 Static void 808 uvscom_close(void *addr, int portno) 809 { 810 struct uvscom_softc *sc = addr; 811 int err; 812 813 if (sc->sc_dying) 814 return; 815 816 DPRINTF(("uvscom_close: close\n")); 817 818 uvscom_shutdown(sc); 819 820 if (sc->sc_intr_pipe != NULL) { 821 err = usbd_abort_pipe(sc->sc_intr_pipe); 822 if (err) 823 printf("%s: abort interrupt pipe failed: %s\n", 824 USBDEVNAME(sc->sc_dev), 825 usbd_errstr(err)); 826 err = usbd_close_pipe(sc->sc_intr_pipe); 827 if (err) 828 printf("%s: close interrupt pipe failed: %s\n", 829 USBDEVNAME(sc->sc_dev), 830 usbd_errstr(err)); 831 free(sc->sc_intr_buf, M_USBDEV); 832 sc->sc_intr_pipe = NULL; 833 } 834 } 835 836 Static void 837 uvscom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, 838 usbd_status status) 839 { 840 struct uvscom_softc *sc = priv; 841 u_char *buf = sc->sc_intr_buf; 842 u_char pstatus; 843 844 if (sc->sc_dying) 845 return; 846 847 if (status != USBD_NORMAL_COMPLETION) { 848 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 849 return; 850 851 printf("%s: uvscom_intr: abnormal status: %s\n", 852 USBDEVNAME(sc->sc_dev), 853 usbd_errstr(status)); 854 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 855 return; 856 } 857 858 DPRINTFN(2, ("%s: uvscom status = %02x %02x\n", 859 USBDEVNAME(sc->sc_dev), buf[0], buf[1])); 860 861 sc->sc_lsr = sc->sc_msr = 0; 862 sc->sc_usr = buf[1]; 863 864 pstatus = buf[0]; 865 if (ISSET(pstatus, UVSCOM_TXRDY)) 866 SET(sc->sc_lsr, ULSR_TXRDY); 867 if (ISSET(pstatus, UVSCOM_RXRDY)) 868 SET(sc->sc_lsr, ULSR_RXRDY); 869 870 pstatus = buf[1]; 871 if (ISSET(pstatus, UVSCOM_CTS)) 872 SET(sc->sc_msr, UMSR_CTS); 873 if (ISSET(pstatus, UVSCOM_DSR)) 874 SET(sc->sc_msr, UMSR_DSR); 875 if (ISSET(pstatus, UVSCOM_DCD)) 876 SET(sc->sc_msr, UMSR_DCD); 877 878 ucom_status_change((struct ucom_softc *) sc->sc_subdev); 879 } 880 881 Static void 882 uvscom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 883 { 884 struct uvscom_softc *sc = addr; 885 886 if (lsr != NULL) 887 *lsr = sc->sc_lsr; 888 if (msr != NULL) 889 *msr = sc->sc_msr; 890 } 891 892
Indexes created Fri Oct 17 17:09:57 GMT 2025