uvscom.c revision 1.27
1 /* $NetBSD: uvscom.c,v 1.27 2011/12/23 00:51:50 jakllsch 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 1.27 2011/12/23 00:51:50 jakllsch 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 printf 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 device_t 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_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 int 245 uvscom_match(device_t parent, cfdata_t match, void *aux) 246 { 247 struct usb_attach_arg *uaa = aux; 248 249 return (uvscom_lookup(uaa->vendor, uaa->product) != NULL ? 250 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 251 } 252 253 void 254 uvscom_attach(device_t parent, device_t self, void *aux) 255 { 256 struct uvscom_softc *sc = device_private(self); 257 struct usb_attach_arg *uaa = aux; 258 usbd_device_handle dev = uaa->device; 259 usb_config_descriptor_t *cdesc; 260 usb_interface_descriptor_t *id; 261 usb_endpoint_descriptor_t *ed; 262 char *devinfop; 263 usbd_status err; 264 int i; 265 struct ucom_attach_args uca; 266 267 aprint_naive("\n"); 268 aprint_normal("\n"); 269 270 devinfop = usbd_devinfo_alloc(dev, 0); 271 aprint_normal_dev(self, "%s\n", devinfop); 272 usbd_devinfo_free(devinfop); 273 274 sc->sc_dev = self; 275 sc->sc_udev = dev; 276 277 DPRINTF(("uvscom attach: sc = %p\n", sc)); 278 279 /* initialize endpoints */ 280 uca.bulkin = uca.bulkout = -1; 281 sc->sc_intr_number = -1; 282 sc->sc_intr_pipe = NULL; 283 284 /* Move the device into the configured state. */ 285 err = usbd_set_config_index(dev, UVSCOM_CONFIG_INDEX, 1); 286 if (err) { 287 aprint_error_dev(self, "failed to set configuration, err=%s\n", 288 usbd_errstr(err)); 289 sc->sc_dying = 1; 290 return; 291 } 292 293 /* get the config descriptor */ 294 cdesc = usbd_get_config_descriptor(sc->sc_udev); 295 296 if (cdesc == NULL) { 297 aprint_error_dev(self, 298 "failed to get configuration descriptor\n"); 299 sc->sc_dying = 1; 300 return; 301 } 302 303 /* get the common interface */ 304 err = usbd_device2interface_handle(dev, UVSCOM_IFACE_INDEX, 305 &sc->sc_iface); 306 if (err) { 307 aprint_error_dev(self, "failed to get interface, err=%s\n", 308 usbd_errstr(err)); 309 sc->sc_dying = 1; 310 return; 311 } 312 313 id = usbd_get_interface_descriptor(sc->sc_iface); 314 sc->sc_iface_number = id->bInterfaceNumber; 315 316 /* Find endpoints */ 317 for (i = 0; i < id->bNumEndpoints; i++) { 318 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 319 if (ed == NULL) { 320 aprint_error_dev(self, 321 "no endpoint descriptor for %d\n", i); 322 sc->sc_dying = 1; 323 return; 324 } 325 326 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 327 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 328 uca.bulkin = ed->bEndpointAddress; 329 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 330 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 331 uca.bulkout = ed->bEndpointAddress; 332 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 333 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 334 sc->sc_intr_number = ed->bEndpointAddress; 335 sc->sc_isize = UGETW(ed->wMaxPacketSize); 336 } 337 } 338 339 if (uca.bulkin == -1) { 340 aprint_error_dev(self, "Could not find data bulk in\n"); 341 sc->sc_dying = 1; 342 return; 343 } 344 if (uca.bulkout == -1) { 345 aprint_error_dev(self, "Could not find data bulk out\n"); 346 sc->sc_dying = 1; 347 return; 348 } 349 if (sc->sc_intr_number == -1) { 350 aprint_error_dev(self, "Could not find interrupt in\n"); 351 sc->sc_dying = 1; 352 return; 353 } 354 355 sc->sc_dtr = sc->sc_rts = 0; 356 sc->sc_lcr = UVSCOM_LINE_INIT; 357 358 uca.portno = UCOM_UNK_PORTNO; 359 /* bulkin, bulkout set above */ 360 uca.ibufsize = UVSCOMIBUFSIZE; 361 uca.obufsize = UVSCOMOBUFSIZE; 362 uca.ibufsizepad = UVSCOMIBUFSIZE; 363 uca.opkthdrlen = 0; 364 uca.device = dev; 365 uca.iface = sc->sc_iface; 366 uca.methods = &uvscom_methods; 367 uca.arg = sc; 368 uca.info = NULL; 369 370 err = uvscom_reset(sc); 371 372 if (err) { 373 aprint_error_dev(self, "reset failed, %s\n", usbd_errstr(err)); 374 sc->sc_dying = 1; 375 return; 376 } 377 378 DPRINTF(("uvscom: in = 0x%x out = 0x%x intr = 0x%x\n", 379 uca.bulkin, uca.bulkout, sc->sc_intr_number)); 380 381 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 382 sc->sc_dev); 383 384 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 385 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 386 sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &uca, 387 ucomprint, ucomsubmatch); 388 389 return; 390 } 391 392 void 393 uvscom_childdet(device_t self, device_t child) 394 { 395 struct uvscom_softc *sc = device_private(self); 396 397 KASSERT(sc->sc_subdev == child); 398 sc->sc_subdev = NULL; 399 } 400 401 int 402 uvscom_detach(device_t self, int flags) 403 { 404 struct uvscom_softc *sc = device_private(self); 405 int rv = 0; 406 407 DPRINTF(("uvscom_detach: sc = %p\n", sc)); 408 409 sc->sc_dying = 1; 410 411 if (sc->sc_intr_pipe != NULL) { 412 usbd_abort_pipe(sc->sc_intr_pipe); 413 usbd_close_pipe(sc->sc_intr_pipe); 414 free(sc->sc_intr_buf, M_USBDEV); 415 sc->sc_intr_pipe = NULL; 416 } 417 418 sc->sc_dying = 1; 419 if (sc->sc_subdev != NULL) 420 rv = config_detach(sc->sc_subdev, flags); 421 422 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 423 sc->sc_dev); 424 425 return (rv); 426 } 427 428 int 429 uvscom_activate(device_t self, enum devact act) 430 { 431 struct uvscom_softc *sc = device_private(self); 432 433 switch (act) { 434 case DVACT_DEACTIVATE: 435 sc->sc_dying = 1; 436 return 0; 437 default: 438 return EOPNOTSUPP; 439 } 440 } 441 442 Static usbd_status 443 uvscom_readstat(struct uvscom_softc *sc) 444 { 445 usb_device_request_t req; 446 usbd_status err; 447 uint16_t r; 448 449 DPRINTF(("%s: send readstat\n", device_xname(sc->sc_dev))); 450 451 req.bmRequestType = UT_READ_VENDOR_DEVICE; 452 req.bRequest = UVSCOM_READ_STATUS; 453 USETW(req.wValue, 0); 454 USETW(req.wIndex, 0); 455 USETW(req.wLength, 2); 456 457 err = usbd_do_request(sc->sc_udev, &req, &r); 458 if (err) { 459 aprint_error_dev(sc->sc_dev, "uvscom_readstat: %s\n", 460 usbd_errstr(err)); 461 return (err); 462 } 463 464 DPRINTF(("%s: uvscom_readstat: r = %d\n", 465 device_xname(sc->sc_dev), r)); 466 467 return (USBD_NORMAL_COMPLETION); 468 } 469 470 Static usbd_status 471 uvscom_shutdown(struct uvscom_softc *sc) 472 { 473 usb_device_request_t req; 474 usbd_status err; 475 476 DPRINTF(("%s: send shutdown\n", device_xname(sc->sc_dev))); 477 478 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 479 req.bRequest = UVSCOM_SHUTDOWN; 480 USETW(req.wValue, 0); 481 USETW(req.wIndex, 0); 482 USETW(req.wLength, 0); 483 484 err = usbd_do_request(sc->sc_udev, &req, NULL); 485 if (err) { 486 aprint_error_dev(sc->sc_dev, "uvscom_shutdown: %s\n", 487 usbd_errstr(err)); 488 return (err); 489 } 490 491 return (USBD_NORMAL_COMPLETION); 492 } 493 494 Static usbd_status 495 uvscom_reset(struct uvscom_softc *sc) 496 { 497 DPRINTF(("%s: uvscom_reset\n", device_xname(sc->sc_dev))); 498 499 return (USBD_NORMAL_COMPLETION); 500 } 501 502 Static usbd_status 503 uvscom_set_crtscts(struct uvscom_softc *sc) 504 { 505 DPRINTF(("%s: uvscom_set_crtscts\n", device_xname(sc->sc_dev))); 506 507 return (USBD_NORMAL_COMPLETION); 508 } 509 510 Static usbd_status 511 uvscom_set_line(struct uvscom_softc *sc, uint16_t line) 512 { 513 usb_device_request_t req; 514 usbd_status err; 515 516 DPRINTF(("%s: uvscom_set_line: %04x\n", 517 device_xname(sc->sc_dev), line)); 518 519 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 520 req.bRequest = UVSCOM_LINE_CTL; 521 USETW(req.wValue, line); 522 USETW(req.wIndex, 0); 523 USETW(req.wLength, 0); 524 525 err = usbd_do_request(sc->sc_udev, &req, NULL); 526 if (err) { 527 aprint_error_dev(sc->sc_dev, "uvscom_set_line: %s\n", 528 usbd_errstr(err)); 529 return (err); 530 } 531 532 return (USBD_NORMAL_COMPLETION); 533 } 534 535 Static usbd_status 536 uvscom_set_line_coding(struct uvscom_softc *sc, uint16_t lsp, uint16_t ls) 537 { 538 usb_device_request_t req; 539 usbd_status err; 540 541 DPRINTF(("%s: uvscom_set_line_coding: %02x %02x\n", 542 device_xname(sc->sc_dev), lsp, ls)); 543 544 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 545 req.bRequest = UVSCOM_SET_SPEED; 546 USETW(req.wValue, lsp); 547 USETW(req.wIndex, 0); 548 USETW(req.wLength, 0); 549 550 err = usbd_do_request(sc->sc_udev, &req, NULL); 551 if (err) { 552 aprint_error_dev(sc->sc_dev, "uvscom_set_line_coding: %s\n", 553 usbd_errstr(err)); 554 return (err); 555 } 556 557 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 558 req.bRequest = UVSCOM_SET_PARAM; 559 USETW(req.wValue, ls); 560 USETW(req.wIndex, 0); 561 USETW(req.wLength, 0); 562 563 err = usbd_do_request(sc->sc_udev, &req, NULL); 564 if (err) { 565 aprint_error_dev(sc->sc_dev, "uvscom_set_line_coding: %s\n", 566 usbd_errstr(err)); 567 return (err); 568 } 569 570 return (USBD_NORMAL_COMPLETION); 571 } 572 573 Static void 574 uvscom_dtr(struct uvscom_softc *sc, int onoff) 575 { 576 DPRINTF(("%s: uvscom_dtr: onoff = %d\n", 577 device_xname(sc->sc_dev), onoff)); 578 579 if (sc->sc_dtr == onoff) 580 return; /* no change */ 581 582 sc->sc_dtr = onoff; 583 584 if (onoff) 585 SET(sc->sc_lcr, UVSCOM_DTR); 586 else 587 CLR(sc->sc_lcr, UVSCOM_DTR); 588 589 uvscom_set_line(sc, sc->sc_lcr); 590 } 591 592 Static void 593 uvscom_rts(struct uvscom_softc *sc, int onoff) 594 { 595 DPRINTF(("%s: uvscom_rts: onoff = %d\n", 596 device_xname(sc->sc_dev), onoff)); 597 598 if (sc->sc_rts == onoff) 599 return; /* no change */ 600 601 sc->sc_rts = onoff; 602 603 if (onoff) 604 SET(sc->sc_lcr, UVSCOM_RTS); 605 else 606 CLR(sc->sc_lcr, UVSCOM_RTS); 607 608 uvscom_set_line(sc, sc->sc_lcr); 609 } 610 611 Static void 612 uvscom_break(struct uvscom_softc *sc, int onoff) 613 { 614 DPRINTF(("%s: uvscom_break: onoff = %d\n", 615 device_xname(sc->sc_dev), onoff)); 616 617 if (onoff) 618 uvscom_set_line(sc, SET(sc->sc_lcr, UVSCOM_BREAK)); 619 } 620 621 Static void 622 uvscom_set(void *addr, int portno, int reg, int onoff) 623 { 624 struct uvscom_softc *sc = addr; 625 626 switch (reg) { 627 case UCOM_SET_DTR: 628 uvscom_dtr(sc, onoff); 629 break; 630 case UCOM_SET_RTS: 631 uvscom_rts(sc, onoff); 632 break; 633 case UCOM_SET_BREAK: 634 uvscom_break(sc, onoff); 635 break; 636 default: 637 break; 638 } 639 } 640 641 Static int 642 uvscom_param(void *addr, int portno, struct termios *t) 643 { 644 struct uvscom_softc *sc = addr; 645 usbd_status err; 646 uint16_t lsp; 647 uint16_t ls; 648 649 DPRINTF(("%s: uvscom_param: sc = %p\n", 650 device_xname(sc->sc_dev), sc)); 651 652 ls = 0; 653 654 switch (t->c_ospeed) { 655 case B150: 656 lsp = UVSCOM_SPEED_150BPS; 657 break; 658 case B300: 659 lsp = UVSCOM_SPEED_300BPS; 660 break; 661 case B600: 662 lsp = UVSCOM_SPEED_600BPS; 663 break; 664 case B1200: 665 lsp = UVSCOM_SPEED_1200BPS; 666 break; 667 case B2400: 668 lsp = UVSCOM_SPEED_2400BPS; 669 break; 670 case B4800: 671 lsp = UVSCOM_SPEED_4800BPS; 672 break; 673 case B9600: 674 lsp = UVSCOM_SPEED_9600BPS; 675 break; 676 case B19200: 677 lsp = UVSCOM_SPEED_19200BPS; 678 break; 679 case B38400: 680 lsp = UVSCOM_SPEED_38400BPS; 681 break; 682 case B57600: 683 lsp = UVSCOM_SPEED_57600BPS; 684 break; 685 case B115200: 686 lsp = UVSCOM_SPEED_115200BPS; 687 break; 688 default: 689 return (EIO); 690 } 691 692 if (ISSET(t->c_cflag, CSTOPB)) 693 SET(ls, UVSCOM_STOP_BIT_2); 694 else 695 SET(ls, UVSCOM_STOP_BIT_1); 696 697 if (ISSET(t->c_cflag, PARENB)) { 698 if (ISSET(t->c_cflag, PARODD)) 699 SET(ls, UVSCOM_PARITY_ODD); 700 else 701 SET(ls, UVSCOM_PARITY_EVEN); 702 } else 703 SET(ls, UVSCOM_PARITY_NONE); 704 705 switch (ISSET(t->c_cflag, CSIZE)) { 706 case CS5: 707 SET(ls, UVSCOM_DATA_BIT_5); 708 break; 709 case CS6: 710 SET(ls, UVSCOM_DATA_BIT_6); 711 break; 712 case CS7: 713 SET(ls, UVSCOM_DATA_BIT_7); 714 break; 715 case CS8: 716 SET(ls, UVSCOM_DATA_BIT_8); 717 break; 718 default: 719 return (EIO); 720 } 721 722 err = uvscom_set_line_coding(sc, lsp, ls); 723 if (err) 724 return (EIO); 725 726 if (ISSET(t->c_cflag, CRTSCTS)) { 727 err = uvscom_set_crtscts(sc); 728 if (err) 729 return (EIO); 730 } 731 732 return (0); 733 } 734 735 Static int 736 uvscom_open(void *addr, int portno) 737 { 738 struct uvscom_softc *sc = addr; 739 int err; 740 int i; 741 742 if (sc->sc_dying) 743 return (EIO); 744 745 DPRINTF(("uvscom_open: sc = %p\n", sc)); 746 747 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 748 DPRINTF(("uvscom_open: open interrupt pipe.\n")); 749 750 sc->sc_usr = 0; /* clear unit status */ 751 752 err = uvscom_readstat(sc); 753 if (err) { 754 DPRINTF(("%s: uvscom_open: readstat faild\n", 755 device_xname(sc->sc_dev))); 756 return (EIO); 757 } 758 759 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 760 err = usbd_open_pipe_intr(sc->sc_iface, 761 sc->sc_intr_number, 762 USBD_SHORT_XFER_OK, 763 &sc->sc_intr_pipe, 764 sc, 765 sc->sc_intr_buf, 766 sc->sc_isize, 767 uvscom_intr, 768 UVSCOM_INTR_INTERVAL); 769 if (err) { 770 aprint_error_dev(sc->sc_dev, 771 "cannot open interrupt pipe (addr %d)\n", 772 sc->sc_intr_number); 773 return (EIO); 774 } 775 } else { 776 DPRINTF(("uvscom_open: did not open interrupt pipe.\n")); 777 } 778 779 if ((sc->sc_usr & UVSCOM_USTAT_MASK) == 0) { 780 /* unit is not ready */ 781 782 for (i = UVSCOM_UNIT_WAIT; i > 0; --i) { 783 tsleep(&err, TTIPRI, "uvsop", hz); /* XXX */ 784 if (ISSET(sc->sc_usr, UVSCOM_USTAT_MASK)) 785 break; 786 } 787 if (i == 0) { 788 DPRINTF(("%s: unit is not ready\n", 789 device_xname(sc->sc_dev))); 790 return (EIO); 791 } 792 793 /* check PC card was inserted */ 794 if (ISSET(sc->sc_usr, UVSCOM_NOCARD)) { 795 DPRINTF(("%s: no card\n", 796 device_xname(sc->sc_dev))); 797 return (EIO); 798 } 799 } 800 801 return (0); 802 } 803 804 Static void 805 uvscom_close(void *addr, int portno) 806 { 807 struct uvscom_softc *sc = addr; 808 int err; 809 810 if (sc->sc_dying) 811 return; 812 813 DPRINTF(("uvscom_close: close\n")); 814 815 uvscom_shutdown(sc); 816 817 if (sc->sc_intr_pipe != NULL) { 818 err = usbd_abort_pipe(sc->sc_intr_pipe); 819 if (err) 820 aprint_error_dev(sc->sc_dev, 821 "abort interrupt pipe failed: %s\n", 822 usbd_errstr(err)); 823 err = usbd_close_pipe(sc->sc_intr_pipe); 824 if (err) 825 aprint_error_dev(sc->sc_dev, 826 "lose interrupt pipe failed: %s\n", 827 usbd_errstr(err)); 828 free(sc->sc_intr_buf, M_USBDEV); 829 sc->sc_intr_pipe = NULL; 830 } 831 } 832 833 Static void 834 uvscom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, 835 usbd_status status) 836 { 837 struct uvscom_softc *sc = priv; 838 u_char *buf = sc->sc_intr_buf; 839 u_char pstatus; 840 841 if (sc->sc_dying) 842 return; 843 844 if (status != USBD_NORMAL_COMPLETION) { 845 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 846 return; 847 848 aprint_error_dev(sc->sc_dev, 849 "uvscom_intr: abnormal status: %s\n", 850 usbd_errstr(status)); 851 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 852 return; 853 } 854 855 DPRINTFN(2, ("%s: uvscom status = %02x %02x\n", 856 device_xname(sc->sc_dev), buf[0], buf[1])); 857 858 sc->sc_lsr = sc->sc_msr = 0; 859 sc->sc_usr = buf[1]; 860 861 pstatus = buf[0]; 862 if (ISSET(pstatus, UVSCOM_TXRDY)) 863 SET(sc->sc_lsr, ULSR_TXRDY); 864 if (ISSET(pstatus, UVSCOM_RXRDY)) 865 SET(sc->sc_lsr, ULSR_RXRDY); 866 867 pstatus = buf[1]; 868 if (ISSET(pstatus, UVSCOM_CTS)) 869 SET(sc->sc_msr, UMSR_CTS); 870 if (ISSET(pstatus, UVSCOM_DSR)) 871 SET(sc->sc_msr, UMSR_DSR); 872 if (ISSET(pstatus, UVSCOM_DCD)) 873 SET(sc->sc_msr, UMSR_DCD); 874 875 ucom_status_change(device_private(sc->sc_subdev)); 876 } 877 878 Static void 879 uvscom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 880 { 881 struct uvscom_softc *sc = addr; 882 883 if (lsr != NULL) 884 *lsr = sc->sc_lsr; 885 if (msr != NULL) 886 *msr = sc->sc_msr; 887 } 888 889
Indexes created Wed Oct 15 16:09:53 GMT 2025