uvscom.c revision 1.23
1 /* $NetBSD: uvscom.c,v 1.23 2009/09/23 19:07:19 plunky 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 1.23 2009/09/23 19:07:19 plunky 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, cfdata_t, 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_NEW(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 usbd_status err; 261 int i; 262 struct ucom_attach_args uca; 263 264 aprint_naive("\n"); 265 aprint_normal("\n"); 266 267 devinfop = usbd_devinfo_alloc(dev, 0); 268 aprint_normal_dev(self, "%s\n", devinfop); 269 usbd_devinfo_free(devinfop); 270 271 sc->sc_dev = self; 272 sc->sc_udev = dev; 273 274 DPRINTF(("uvscom attach: sc = %p\n", sc)); 275 276 /* initialize endpoints */ 277 uca.bulkin = uca.bulkout = -1; 278 sc->sc_intr_number = -1; 279 sc->sc_intr_pipe = NULL; 280 281 /* Move the device into the configured state. */ 282 err = usbd_set_config_index(dev, UVSCOM_CONFIG_INDEX, 1); 283 if (err) { 284 aprint_error_dev(self, "failed to set configuration, err=%s\n", 285 usbd_errstr(err)); 286 sc->sc_dying = 1; 287 USB_ATTACH_ERROR_RETURN; 288 } 289 290 /* get the config descriptor */ 291 cdesc = usbd_get_config_descriptor(sc->sc_udev); 292 293 if (cdesc == NULL) { 294 aprint_error_dev(self, 295 "failed to get configuration descriptor\n"); 296 sc->sc_dying = 1; 297 USB_ATTACH_ERROR_RETURN; 298 } 299 300 /* get the common interface */ 301 err = usbd_device2interface_handle(dev, UVSCOM_IFACE_INDEX, 302 &sc->sc_iface); 303 if (err) { 304 aprint_error_dev(self, "failed to get interface, err=%s\n", 305 usbd_errstr(err)); 306 sc->sc_dying = 1; 307 USB_ATTACH_ERROR_RETURN; 308 } 309 310 id = usbd_get_interface_descriptor(sc->sc_iface); 311 sc->sc_iface_number = id->bInterfaceNumber; 312 313 /* Find endpoints */ 314 for (i = 0; i < id->bNumEndpoints; i++) { 315 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 316 if (ed == NULL) { 317 aprint_error_dev(self, 318 "no endpoint descriptor for %d\n", i); 319 sc->sc_dying = 1; 320 USB_ATTACH_ERROR_RETURN; 321 } 322 323 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 324 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 325 uca.bulkin = ed->bEndpointAddress; 326 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 327 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 328 uca.bulkout = ed->bEndpointAddress; 329 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 330 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 331 sc->sc_intr_number = ed->bEndpointAddress; 332 sc->sc_isize = UGETW(ed->wMaxPacketSize); 333 } 334 } 335 336 if (uca.bulkin == -1) { 337 aprint_error_dev(self, "Could not find data bulk in\n"); 338 sc->sc_dying = 1; 339 USB_ATTACH_ERROR_RETURN; 340 } 341 if (uca.bulkout == -1) { 342 aprint_error_dev(self, "Could not find data bulk out\n"); 343 sc->sc_dying = 1; 344 USB_ATTACH_ERROR_RETURN; 345 } 346 if (sc->sc_intr_number == -1) { 347 aprint_error_dev(self, "Could not find interrupt in\n"); 348 sc->sc_dying = 1; 349 USB_ATTACH_ERROR_RETURN; 350 } 351 352 sc->sc_dtr = sc->sc_rts = 0; 353 sc->sc_lcr = UVSCOM_LINE_INIT; 354 355 uca.portno = UCOM_UNK_PORTNO; 356 /* bulkin, bulkout set above */ 357 uca.ibufsize = UVSCOMIBUFSIZE; 358 uca.obufsize = UVSCOMOBUFSIZE; 359 uca.ibufsizepad = UVSCOMIBUFSIZE; 360 uca.opkthdrlen = 0; 361 uca.device = dev; 362 uca.iface = sc->sc_iface; 363 uca.methods = &uvscom_methods; 364 uca.arg = sc; 365 uca.info = NULL; 366 367 err = uvscom_reset(sc); 368 369 if (err) { 370 aprint_error_dev(self, "reset failed, %s\n", usbd_errstr(err)); 371 sc->sc_dying = 1; 372 USB_ATTACH_ERROR_RETURN; 373 } 374 375 DPRINTF(("uvscom: in = 0x%x out = 0x%x intr = 0x%x\n", 376 uca.bulkin, uca.bulkout, sc->sc_intr_number)); 377 378 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 379 USBDEV(sc->sc_dev)); 380 381 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 382 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 383 sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &uca, 384 ucomprint, ucomsubmatch); 385 386 USB_ATTACH_SUCCESS_RETURN; 387 } 388 389 void 390 uvscom_childdet(device_t self, device_t child) 391 { 392 struct uvscom_softc *sc = device_private(self); 393 394 KASSERT(sc->sc_subdev == child); 395 sc->sc_subdev = NULL; 396 } 397 398 USB_DETACH(uvscom) 399 { 400 USB_DETACH_START(uvscom, sc); 401 int rv = 0; 402 403 DPRINTF(("uvscom_detach: sc = %p\n", sc)); 404 405 sc->sc_dying = 1; 406 407 if (sc->sc_intr_pipe != NULL) { 408 usbd_abort_pipe(sc->sc_intr_pipe); 409 usbd_close_pipe(sc->sc_intr_pipe); 410 free(sc->sc_intr_buf, M_USBDEV); 411 sc->sc_intr_pipe = NULL; 412 } 413 414 sc->sc_dying = 1; 415 if (sc->sc_subdev != NULL) 416 rv = config_detach(sc->sc_subdev, flags); 417 418 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 419 USBDEV(sc->sc_dev)); 420 421 return (rv); 422 } 423 424 int 425 uvscom_activate(device_t self, enum devact act) 426 { 427 struct uvscom_softc *sc = device_private(self); 428 int rv = 0; 429 430 switch (act) { 431 case DVACT_ACTIVATE: 432 return (EOPNOTSUPP); 433 434 case DVACT_DEACTIVATE: 435 if (sc->sc_subdev != NULL) 436 rv = config_deactivate(sc->sc_subdev); 437 sc->sc_dying = 1; 438 break; 439 } 440 return (rv); 441 } 442 443 Static usbd_status 444 uvscom_readstat(struct uvscom_softc *sc) 445 { 446 usb_device_request_t req; 447 usbd_status err; 448 uint16_t r; 449 450 DPRINTF(("%s: send readstat\n", USBDEVNAME(sc->sc_dev))); 451 452 req.bmRequestType = UT_READ_VENDOR_DEVICE; 453 req.bRequest = UVSCOM_READ_STATUS; 454 USETW(req.wValue, 0); 455 USETW(req.wIndex, 0); 456 USETW(req.wLength, 2); 457 458 err = usbd_do_request(sc->sc_udev, &req, &r); 459 if (err) { 460 aprint_error_dev(sc->sc_dev, "uvscom_readstat: %s\n", 461 usbd_errstr(err)); 462 return (err); 463 } 464 465 DPRINTF(("%s: uvscom_readstat: r = %d\n", 466 USBDEVNAME(sc->sc_dev), r)); 467 468 return (USBD_NORMAL_COMPLETION); 469 } 470 471 Static usbd_status 472 uvscom_shutdown(struct uvscom_softc *sc) 473 { 474 usb_device_request_t req; 475 usbd_status err; 476 477 DPRINTF(("%s: send shutdown\n", USBDEVNAME(sc->sc_dev))); 478 479 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 480 req.bRequest = UVSCOM_SHUTDOWN; 481 USETW(req.wValue, 0); 482 USETW(req.wIndex, 0); 483 USETW(req.wLength, 0); 484 485 err = usbd_do_request(sc->sc_udev, &req, NULL); 486 if (err) { 487 aprint_error_dev(sc->sc_dev, "uvscom_shutdown: %s\n", 488 usbd_errstr(err)); 489 return (err); 490 } 491 492 return (USBD_NORMAL_COMPLETION); 493 } 494 495 Static usbd_status 496 uvscom_reset(struct uvscom_softc *sc) 497 { 498 DPRINTF(("%s: uvscom_reset\n", USBDEVNAME(sc->sc_dev))); 499 500 return (USBD_NORMAL_COMPLETION); 501 } 502 503 Static usbd_status 504 uvscom_set_crtscts(struct uvscom_softc *sc) 505 { 506 DPRINTF(("%s: uvscom_set_crtscts\n", USBDEVNAME(sc->sc_dev))); 507 508 return (USBD_NORMAL_COMPLETION); 509 } 510 511 Static usbd_status 512 uvscom_set_line(struct uvscom_softc *sc, uint16_t line) 513 { 514 usb_device_request_t req; 515 usbd_status err; 516 517 DPRINTF(("%s: uvscom_set_line: %04x\n", 518 USBDEVNAME(sc->sc_dev), line)); 519 520 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 521 req.bRequest = UVSCOM_LINE_CTL; 522 USETW(req.wValue, line); 523 USETW(req.wIndex, 0); 524 USETW(req.wLength, 0); 525 526 err = usbd_do_request(sc->sc_udev, &req, NULL); 527 if (err) { 528 aprint_error_dev(sc->sc_dev, "uvscom_set_line: %s\n", 529 usbd_errstr(err)); 530 return (err); 531 } 532 533 return (USBD_NORMAL_COMPLETION); 534 } 535 536 Static usbd_status 537 uvscom_set_line_coding(struct uvscom_softc *sc, uint16_t lsp, uint16_t ls) 538 { 539 usb_device_request_t req; 540 usbd_status err; 541 542 DPRINTF(("%s: uvscom_set_line_coding: %02x %02x\n", 543 USBDEVNAME(sc->sc_dev), lsp, ls)); 544 545 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 546 req.bRequest = UVSCOM_SET_SPEED; 547 USETW(req.wValue, lsp); 548 USETW(req.wIndex, 0); 549 USETW(req.wLength, 0); 550 551 err = usbd_do_request(sc->sc_udev, &req, NULL); 552 if (err) { 553 aprint_error_dev(sc->sc_dev, "uvscom_set_line_coding: %s\n", 554 usbd_errstr(err)); 555 return (err); 556 } 557 558 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 559 req.bRequest = UVSCOM_SET_PARAM; 560 USETW(req.wValue, ls); 561 USETW(req.wIndex, 0); 562 USETW(req.wLength, 0); 563 564 err = usbd_do_request(sc->sc_udev, &req, NULL); 565 if (err) { 566 aprint_error_dev(sc->sc_dev, "uvscom_set_line_coding: %s\n", 567 usbd_errstr(err)); 568 return (err); 569 } 570 571 return (USBD_NORMAL_COMPLETION); 572 } 573 574 Static void 575 uvscom_dtr(struct uvscom_softc *sc, int onoff) 576 { 577 DPRINTF(("%s: uvscom_dtr: onoff = %d\n", 578 USBDEVNAME(sc->sc_dev), onoff)); 579 580 if (sc->sc_dtr == onoff) 581 return; /* no change */ 582 583 sc->sc_dtr = onoff; 584 585 if (onoff) 586 SET(sc->sc_lcr, UVSCOM_DTR); 587 else 588 CLR(sc->sc_lcr, UVSCOM_DTR); 589 590 uvscom_set_line(sc, sc->sc_lcr); 591 } 592 593 Static void 594 uvscom_rts(struct uvscom_softc *sc, int onoff) 595 { 596 DPRINTF(("%s: uvscom_rts: onoff = %d\n", 597 USBDEVNAME(sc->sc_dev), onoff)); 598 599 if (sc->sc_rts == onoff) 600 return; /* no change */ 601 602 sc->sc_rts = onoff; 603 604 if (onoff) 605 SET(sc->sc_lcr, UVSCOM_RTS); 606 else 607 CLR(sc->sc_lcr, UVSCOM_RTS); 608 609 uvscom_set_line(sc, sc->sc_lcr); 610 } 611 612 Static void 613 uvscom_break(struct uvscom_softc *sc, int onoff) 614 { 615 DPRINTF(("%s: uvscom_break: onoff = %d\n", 616 USBDEVNAME(sc->sc_dev), onoff)); 617 618 if (onoff) 619 uvscom_set_line(sc, SET(sc->sc_lcr, UVSCOM_BREAK)); 620 } 621 622 Static void 623 uvscom_set(void *addr, int portno, int reg, int onoff) 624 { 625 struct uvscom_softc *sc = addr; 626 627 switch (reg) { 628 case UCOM_SET_DTR: 629 uvscom_dtr(sc, onoff); 630 break; 631 case UCOM_SET_RTS: 632 uvscom_rts(sc, onoff); 633 break; 634 case UCOM_SET_BREAK: 635 uvscom_break(sc, onoff); 636 break; 637 default: 638 break; 639 } 640 } 641 642 Static int 643 uvscom_param(void *addr, int portno, struct termios *t) 644 { 645 struct uvscom_softc *sc = addr; 646 usbd_status err; 647 uint16_t lsp; 648 uint16_t ls; 649 650 DPRINTF(("%s: uvscom_param: sc = %p\n", 651 USBDEVNAME(sc->sc_dev), sc)); 652 653 ls = 0; 654 655 switch (t->c_ospeed) { 656 case B150: 657 lsp = UVSCOM_SPEED_150BPS; 658 break; 659 case B300: 660 lsp = UVSCOM_SPEED_300BPS; 661 break; 662 case B600: 663 lsp = UVSCOM_SPEED_600BPS; 664 break; 665 case B1200: 666 lsp = UVSCOM_SPEED_1200BPS; 667 break; 668 case B2400: 669 lsp = UVSCOM_SPEED_2400BPS; 670 break; 671 case B4800: 672 lsp = UVSCOM_SPEED_4800BPS; 673 break; 674 case B9600: 675 lsp = UVSCOM_SPEED_9600BPS; 676 break; 677 case B19200: 678 lsp = UVSCOM_SPEED_19200BPS; 679 break; 680 case B38400: 681 lsp = UVSCOM_SPEED_38400BPS; 682 break; 683 case B57600: 684 lsp = UVSCOM_SPEED_57600BPS; 685 break; 686 case B115200: 687 lsp = UVSCOM_SPEED_115200BPS; 688 break; 689 default: 690 return (EIO); 691 } 692 693 if (ISSET(t->c_cflag, CSTOPB)) 694 SET(ls, UVSCOM_STOP_BIT_2); 695 else 696 SET(ls, UVSCOM_STOP_BIT_1); 697 698 if (ISSET(t->c_cflag, PARENB)) { 699 if (ISSET(t->c_cflag, PARODD)) 700 SET(ls, UVSCOM_PARITY_ODD); 701 else 702 SET(ls, UVSCOM_PARITY_EVEN); 703 } else 704 SET(ls, UVSCOM_PARITY_NONE); 705 706 switch (ISSET(t->c_cflag, CSIZE)) { 707 case CS5: 708 SET(ls, UVSCOM_DATA_BIT_5); 709 break; 710 case CS6: 711 SET(ls, UVSCOM_DATA_BIT_6); 712 break; 713 case CS7: 714 SET(ls, UVSCOM_DATA_BIT_7); 715 break; 716 case CS8: 717 SET(ls, UVSCOM_DATA_BIT_8); 718 break; 719 default: 720 return (EIO); 721 } 722 723 err = uvscom_set_line_coding(sc, lsp, ls); 724 if (err) 725 return (EIO); 726 727 if (ISSET(t->c_cflag, CRTSCTS)) { 728 err = uvscom_set_crtscts(sc); 729 if (err) 730 return (EIO); 731 } 732 733 return (0); 734 } 735 736 Static int 737 uvscom_open(void *addr, int portno) 738 { 739 struct uvscom_softc *sc = addr; 740 int err; 741 int i; 742 743 if (sc->sc_dying) 744 return (EIO); 745 746 DPRINTF(("uvscom_open: sc = %p\n", sc)); 747 748 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 749 DPRINTF(("uvscom_open: open interrupt pipe.\n")); 750 751 sc->sc_usr = 0; /* clear unit status */ 752 753 err = uvscom_readstat(sc); 754 if (err) { 755 DPRINTF(("%s: uvscom_open: readstat faild\n", 756 USBDEVNAME(sc->sc_dev))); 757 return (EIO); 758 } 759 760 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 761 err = usbd_open_pipe_intr(sc->sc_iface, 762 sc->sc_intr_number, 763 USBD_SHORT_XFER_OK, 764 &sc->sc_intr_pipe, 765 sc, 766 sc->sc_intr_buf, 767 sc->sc_isize, 768 uvscom_intr, 769 UVSCOM_INTR_INTERVAL); 770 if (err) { 771 aprint_error_dev(sc->sc_dev, 772 "cannot open interrupt pipe (addr %d)\n", 773 sc->sc_intr_number); 774 return (EIO); 775 } 776 } else { 777 DPRINTF(("uvscom_open: did not open interrupt pipe.\n")); 778 } 779 780 if ((sc->sc_usr & UVSCOM_USTAT_MASK) == 0) { 781 /* unit is not ready */ 782 783 for (i = UVSCOM_UNIT_WAIT; i > 0; --i) { 784 tsleep(&err, TTIPRI, "uvsop", hz); /* XXX */ 785 if (ISSET(sc->sc_usr, UVSCOM_USTAT_MASK)) 786 break; 787 } 788 if (i == 0) { 789 DPRINTF(("%s: unit is not ready\n", 790 USBDEVNAME(sc->sc_dev))); 791 return (EIO); 792 } 793 794 /* check PC card was inserted */ 795 if (ISSET(sc->sc_usr, UVSCOM_NOCARD)) { 796 DPRINTF(("%s: no card\n", 797 USBDEVNAME(sc->sc_dev))); 798 return (EIO); 799 } 800 } 801 802 return (0); 803 } 804 805 Static void 806 uvscom_close(void *addr, int portno) 807 { 808 struct uvscom_softc *sc = addr; 809 int err; 810 811 if (sc->sc_dying) 812 return; 813 814 DPRINTF(("uvscom_close: close\n")); 815 816 uvscom_shutdown(sc); 817 818 if (sc->sc_intr_pipe != NULL) { 819 err = usbd_abort_pipe(sc->sc_intr_pipe); 820 if (err) 821 aprint_error_dev(sc->sc_dev, 822 "abort interrupt pipe failed: %s\n", 823 usbd_errstr(err)); 824 err = usbd_close_pipe(sc->sc_intr_pipe); 825 if (err) 826 aprint_error_dev(sc->sc_dev, 827 "lose interrupt pipe failed: %s\n", 828 usbd_errstr(err)); 829 free(sc->sc_intr_buf, M_USBDEV); 830 sc->sc_intr_pipe = NULL; 831 } 832 } 833 834 Static void 835 uvscom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, 836 usbd_status status) 837 { 838 struct uvscom_softc *sc = priv; 839 u_char *buf = sc->sc_intr_buf; 840 u_char pstatus; 841 842 if (sc->sc_dying) 843 return; 844 845 if (status != USBD_NORMAL_COMPLETION) { 846 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 847 return; 848 849 aprint_error_dev(sc->sc_dev, 850 "uvscom_intr: abnormal status: %s\n", 851 usbd_errstr(status)); 852 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 853 return; 854 } 855 856 DPRINTFN(2, ("%s: uvscom status = %02x %02x\n", 857 USBDEVNAME(sc->sc_dev), buf[0], buf[1])); 858 859 sc->sc_lsr = sc->sc_msr = 0; 860 sc->sc_usr = buf[1]; 861 862 pstatus = buf[0]; 863 if (ISSET(pstatus, UVSCOM_TXRDY)) 864 SET(sc->sc_lsr, ULSR_TXRDY); 865 if (ISSET(pstatus, UVSCOM_RXRDY)) 866 SET(sc->sc_lsr, ULSR_RXRDY); 867 868 pstatus = buf[1]; 869 if (ISSET(pstatus, UVSCOM_CTS)) 870 SET(sc->sc_msr, UMSR_CTS); 871 if (ISSET(pstatus, UVSCOM_DSR)) 872 SET(sc->sc_msr, UMSR_DSR); 873 if (ISSET(pstatus, UVSCOM_DCD)) 874 SET(sc->sc_msr, UMSR_DCD); 875 876 ucom_status_change(device_private(sc->sc_subdev)); 877 } 878 879 Static void 880 uvscom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 881 { 882 struct uvscom_softc *sc = addr; 883 884 if (lsr != NULL) 885 *lsr = sc->sc_lsr; 886 if (msr != NULL) 887 *msr = sc->sc_msr; 888 } 889 890
Indexes created Sun Oct 19 02:09:48 GMT 2025