uvscom.c revision 1.21.8.1
1 /* $NetBSD: uvscom.c,v 1.21.8.1 2008/06/04 02:05:21 yamt 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 1.21.8.1 2008/06/04 02:05:21 yamt 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 devinfop = usbd_devinfo_alloc(dev, 0); 265 USB_ATTACH_SETUP; 266 aprint_normal_dev(self, "%s\n", devinfop); 267 usbd_devinfo_free(devinfop); 268 269 sc->sc_dev = self; 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 aprint_error_dev(self, "failed to set configuration, err=%s\n", 283 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 aprint_error_dev(self, 293 "failed to get configuration descriptor\n"); 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 aprint_error_dev(self, "failed to get interface, err=%s\n", 303 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 aprint_error_dev(self, 316 "no endpoint descriptor for %d\n", 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 aprint_error_dev(self, "Could not find data bulk in\n"); 336 sc->sc_dying = 1; 337 USB_ATTACH_ERROR_RETURN; 338 } 339 if (uca.bulkout == -1) { 340 aprint_error_dev(self, "Could not find data bulk out\n"); 341 sc->sc_dying = 1; 342 USB_ATTACH_ERROR_RETURN; 343 } 344 if (sc->sc_intr_number == -1) { 345 aprint_error_dev(self, "Could not find interrupt in\n"); 346 sc->sc_dying = 1; 347 USB_ATTACH_ERROR_RETURN; 348 } 349 350 sc->sc_dtr = sc->sc_rts = 0; 351 sc->sc_lcr = UVSCOM_LINE_INIT; 352 353 uca.portno = UCOM_UNK_PORTNO; 354 /* bulkin, bulkout set above */ 355 uca.ibufsize = UVSCOMIBUFSIZE; 356 uca.obufsize = UVSCOMOBUFSIZE; 357 uca.ibufsizepad = UVSCOMIBUFSIZE; 358 uca.opkthdrlen = 0; 359 uca.device = dev; 360 uca.iface = sc->sc_iface; 361 uca.methods = &uvscom_methods; 362 uca.arg = sc; 363 uca.info = NULL; 364 365 err = uvscom_reset(sc); 366 367 if (err) { 368 aprint_error_dev(self, "reset failed, %s\n", usbd_errstr(err)); 369 sc->sc_dying = 1; 370 USB_ATTACH_ERROR_RETURN; 371 } 372 373 DPRINTF(("uvscom: in = 0x%x out = 0x%x intr = 0x%x\n", 374 uca.bulkin, uca.bulkout, sc->sc_intr_number)); 375 376 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 377 USBDEV(sc->sc_dev)); 378 379 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 380 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 381 sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &uca, 382 ucomprint, ucomsubmatch); 383 384 USB_ATTACH_SUCCESS_RETURN; 385 } 386 387 void 388 uvscom_childdet(device_t self, device_t child) 389 { 390 struct uvscom_softc *sc = device_private(self); 391 392 KASSERT(sc->sc_subdev == child); 393 sc->sc_subdev = NULL; 394 } 395 396 USB_DETACH(uvscom) 397 { 398 USB_DETACH_START(uvscom, sc); 399 int rv = 0; 400 401 DPRINTF(("uvscom_detach: sc = %p\n", sc)); 402 403 sc->sc_dying = 1; 404 405 if (sc->sc_intr_pipe != NULL) { 406 usbd_abort_pipe(sc->sc_intr_pipe); 407 usbd_close_pipe(sc->sc_intr_pipe); 408 free(sc->sc_intr_buf, M_USBDEV); 409 sc->sc_intr_pipe = NULL; 410 } 411 412 sc->sc_dying = 1; 413 if (sc->sc_subdev != NULL) 414 rv = config_detach(sc->sc_subdev, flags); 415 416 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 417 USBDEV(sc->sc_dev)); 418 419 return (rv); 420 } 421 422 int 423 uvscom_activate(device_t self, enum devact act) 424 { 425 struct uvscom_softc *sc = device_private(self); 426 int rv = 0; 427 428 switch (act) { 429 case DVACT_ACTIVATE: 430 return (EOPNOTSUPP); 431 432 case DVACT_DEACTIVATE: 433 if (sc->sc_subdev != NULL) 434 rv = config_deactivate(sc->sc_subdev); 435 sc->sc_dying = 1; 436 break; 437 } 438 return (rv); 439 } 440 441 Static usbd_status 442 uvscom_readstat(struct uvscom_softc *sc) 443 { 444 usb_device_request_t req; 445 usbd_status err; 446 uint16_t r; 447 448 DPRINTF(("%s: send readstat\n", USBDEVNAME(sc->sc_dev))); 449 450 req.bmRequestType = UT_READ_VENDOR_DEVICE; 451 req.bRequest = UVSCOM_READ_STATUS; 452 USETW(req.wValue, 0); 453 USETW(req.wIndex, 0); 454 USETW(req.wLength, 2); 455 456 err = usbd_do_request(sc->sc_udev, &req, &r); 457 if (err) { 458 aprint_error_dev(sc->sc_dev, "uvscom_readstat: %s\n", 459 usbd_errstr(err)); 460 return (err); 461 } 462 463 DPRINTF(("%s: uvscom_readstat: r = %d\n", 464 USBDEVNAME(sc->sc_dev), r)); 465 466 return (USBD_NORMAL_COMPLETION); 467 } 468 469 Static usbd_status 470 uvscom_shutdown(struct uvscom_softc *sc) 471 { 472 usb_device_request_t req; 473 usbd_status err; 474 475 DPRINTF(("%s: send shutdown\n", USBDEVNAME(sc->sc_dev))); 476 477 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 478 req.bRequest = UVSCOM_SHUTDOWN; 479 USETW(req.wValue, 0); 480 USETW(req.wIndex, 0); 481 USETW(req.wLength, 0); 482 483 err = usbd_do_request(sc->sc_udev, &req, NULL); 484 if (err) { 485 aprint_error_dev(sc->sc_dev, "uvscom_shutdown: %s\n", 486 usbd_errstr(err)); 487 return (err); 488 } 489 490 return (USBD_NORMAL_COMPLETION); 491 } 492 493 Static usbd_status 494 uvscom_reset(struct uvscom_softc *sc) 495 { 496 DPRINTF(("%s: uvscom_reset\n", USBDEVNAME(sc->sc_dev))); 497 498 return (USBD_NORMAL_COMPLETION); 499 } 500 501 Static usbd_status 502 uvscom_set_crtscts(struct uvscom_softc *sc) 503 { 504 DPRINTF(("%s: uvscom_set_crtscts\n", USBDEVNAME(sc->sc_dev))); 505 506 return (USBD_NORMAL_COMPLETION); 507 } 508 509 Static usbd_status 510 uvscom_set_line(struct uvscom_softc *sc, uint16_t line) 511 { 512 usb_device_request_t req; 513 usbd_status err; 514 515 DPRINTF(("%s: uvscom_set_line: %04x\n", 516 USBDEVNAME(sc->sc_dev), line)); 517 518 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 519 req.bRequest = UVSCOM_LINE_CTL; 520 USETW(req.wValue, line); 521 USETW(req.wIndex, 0); 522 USETW(req.wLength, 0); 523 524 err = usbd_do_request(sc->sc_udev, &req, NULL); 525 if (err) { 526 aprint_error_dev(sc->sc_dev, "uvscom_set_line: %s\n", 527 usbd_errstr(err)); 528 return (err); 529 } 530 531 return (USBD_NORMAL_COMPLETION); 532 } 533 534 Static usbd_status 535 uvscom_set_line_coding(struct uvscom_softc *sc, uint16_t lsp, uint16_t ls) 536 { 537 usb_device_request_t req; 538 usbd_status err; 539 540 DPRINTF(("%s: uvscom_set_line_coding: %02x %02x\n", 541 USBDEVNAME(sc->sc_dev), lsp, ls)); 542 543 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 544 req.bRequest = UVSCOM_SET_SPEED; 545 USETW(req.wValue, lsp); 546 USETW(req.wIndex, 0); 547 USETW(req.wLength, 0); 548 549 err = usbd_do_request(sc->sc_udev, &req, NULL); 550 if (err) { 551 aprint_error_dev(sc->sc_dev, "uvscom_set_line_coding: %s\n", 552 usbd_errstr(err)); 553 return (err); 554 } 555 556 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 557 req.bRequest = UVSCOM_SET_PARAM; 558 USETW(req.wValue, ls); 559 USETW(req.wIndex, 0); 560 USETW(req.wLength, 0); 561 562 err = usbd_do_request(sc->sc_udev, &req, NULL); 563 if (err) { 564 aprint_error_dev(sc->sc_dev, "uvscom_set_line_coding: %s\n", 565 usbd_errstr(err)); 566 return (err); 567 } 568 569 return (USBD_NORMAL_COMPLETION); 570 } 571 572 Static void 573 uvscom_dtr(struct uvscom_softc *sc, int onoff) 574 { 575 DPRINTF(("%s: uvscom_dtr: onoff = %d\n", 576 USBDEVNAME(sc->sc_dev), onoff)); 577 578 if (sc->sc_dtr == onoff) 579 return; /* no change */ 580 581 sc->sc_dtr = onoff; 582 583 if (onoff) 584 SET(sc->sc_lcr, UVSCOM_DTR); 585 else 586 CLR(sc->sc_lcr, UVSCOM_DTR); 587 588 uvscom_set_line(sc, sc->sc_lcr); 589 } 590 591 Static void 592 uvscom_rts(struct uvscom_softc *sc, int onoff) 593 { 594 DPRINTF(("%s: uvscom_rts: onoff = %d\n", 595 USBDEVNAME(sc->sc_dev), onoff)); 596 597 if (sc->sc_rts == onoff) 598 return; /* no change */ 599 600 sc->sc_rts = onoff; 601 602 if (onoff) 603 SET(sc->sc_lcr, UVSCOM_RTS); 604 else 605 CLR(sc->sc_lcr, UVSCOM_RTS); 606 607 uvscom_set_line(sc, sc->sc_lcr); 608 } 609 610 Static void 611 uvscom_break(struct uvscom_softc *sc, int onoff) 612 { 613 DPRINTF(("%s: uvscom_break: onoff = %d\n", 614 USBDEVNAME(sc->sc_dev), onoff)); 615 616 if (onoff) 617 uvscom_set_line(sc, SET(sc->sc_lcr, UVSCOM_BREAK)); 618 } 619 620 Static void 621 uvscom_set(void *addr, int portno, int reg, int onoff) 622 { 623 struct uvscom_softc *sc = addr; 624 625 switch (reg) { 626 case UCOM_SET_DTR: 627 uvscom_dtr(sc, onoff); 628 break; 629 case UCOM_SET_RTS: 630 uvscom_rts(sc, onoff); 631 break; 632 case UCOM_SET_BREAK: 633 uvscom_break(sc, onoff); 634 break; 635 default: 636 break; 637 } 638 } 639 640 Static int 641 uvscom_param(void *addr, int portno, struct termios *t) 642 { 643 struct uvscom_softc *sc = addr; 644 usbd_status err; 645 uint16_t lsp; 646 uint16_t ls; 647 648 DPRINTF(("%s: uvscom_param: sc = %p\n", 649 USBDEVNAME(sc->sc_dev), sc)); 650 651 ls = 0; 652 653 switch (t->c_ospeed) { 654 case B150: 655 lsp = UVSCOM_SPEED_150BPS; 656 break; 657 case B300: 658 lsp = UVSCOM_SPEED_300BPS; 659 break; 660 case B600: 661 lsp = UVSCOM_SPEED_600BPS; 662 break; 663 case B1200: 664 lsp = UVSCOM_SPEED_1200BPS; 665 break; 666 case B2400: 667 lsp = UVSCOM_SPEED_2400BPS; 668 break; 669 case B4800: 670 lsp = UVSCOM_SPEED_4800BPS; 671 break; 672 case B9600: 673 lsp = UVSCOM_SPEED_9600BPS; 674 break; 675 case B19200: 676 lsp = UVSCOM_SPEED_19200BPS; 677 break; 678 case B38400: 679 lsp = UVSCOM_SPEED_38400BPS; 680 break; 681 case B57600: 682 lsp = UVSCOM_SPEED_57600BPS; 683 break; 684 case B115200: 685 lsp = UVSCOM_SPEED_115200BPS; 686 break; 687 default: 688 return (EIO); 689 } 690 691 if (ISSET(t->c_cflag, CSTOPB)) 692 SET(ls, UVSCOM_STOP_BIT_2); 693 else 694 SET(ls, UVSCOM_STOP_BIT_1); 695 696 if (ISSET(t->c_cflag, PARENB)) { 697 if (ISSET(t->c_cflag, PARODD)) 698 SET(ls, UVSCOM_PARITY_ODD); 699 else 700 SET(ls, UVSCOM_PARITY_EVEN); 701 } else 702 SET(ls, UVSCOM_PARITY_NONE); 703 704 switch (ISSET(t->c_cflag, CSIZE)) { 705 case CS5: 706 SET(ls, UVSCOM_DATA_BIT_5); 707 break; 708 case CS6: 709 SET(ls, UVSCOM_DATA_BIT_6); 710 break; 711 case CS7: 712 SET(ls, UVSCOM_DATA_BIT_7); 713 break; 714 case CS8: 715 SET(ls, UVSCOM_DATA_BIT_8); 716 break; 717 default: 718 return (EIO); 719 } 720 721 err = uvscom_set_line_coding(sc, lsp, ls); 722 if (err) 723 return (EIO); 724 725 if (ISSET(t->c_cflag, CRTSCTS)) { 726 err = uvscom_set_crtscts(sc); 727 if (err) 728 return (EIO); 729 } 730 731 return (0); 732 } 733 734 Static int 735 uvscom_open(void *addr, int portno) 736 { 737 struct uvscom_softc *sc = addr; 738 int err; 739 int i; 740 741 if (sc->sc_dying) 742 return (EIO); 743 744 DPRINTF(("uvscom_open: sc = %p\n", sc)); 745 746 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 747 DPRINTF(("uvscom_open: open interrupt pipe.\n")); 748 749 sc->sc_usr = 0; /* clear unit status */ 750 751 err = uvscom_readstat(sc); 752 if (err) { 753 DPRINTF(("%s: uvscom_open: readstat faild\n", 754 USBDEVNAME(sc->sc_dev))); 755 return (EIO); 756 } 757 758 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 759 err = usbd_open_pipe_intr(sc->sc_iface, 760 sc->sc_intr_number, 761 USBD_SHORT_XFER_OK, 762 &sc->sc_intr_pipe, 763 sc, 764 sc->sc_intr_buf, 765 sc->sc_isize, 766 uvscom_intr, 767 UVSCOM_INTR_INTERVAL); 768 if (err) { 769 aprint_error_dev(sc->sc_dev, 770 "cannot open interrupt pipe (addr %d)\n", 771 sc->sc_intr_number); 772 return (EIO); 773 } 774 } else { 775 DPRINTF(("uvscom_open: did not open interrupt pipe.\n")); 776 } 777 778 if ((sc->sc_usr & UVSCOM_USTAT_MASK) == 0) { 779 /* unit is not ready */ 780 781 for (i = UVSCOM_UNIT_WAIT; i > 0; --i) { 782 tsleep(&err, TTIPRI, "uvsop", hz); /* XXX */ 783 if (ISSET(sc->sc_usr, UVSCOM_USTAT_MASK)) 784 break; 785 } 786 if (i == 0) { 787 DPRINTF(("%s: unit is not ready\n", 788 USBDEVNAME(sc->sc_dev))); 789 return (EIO); 790 } 791 792 /* check PC card was inserted */ 793 if (ISSET(sc->sc_usr, UVSCOM_NOCARD)) { 794 DPRINTF(("%s: no card\n", 795 USBDEVNAME(sc->sc_dev))); 796 return (EIO); 797 } 798 } 799 800 return (0); 801 } 802 803 Static void 804 uvscom_close(void *addr, int portno) 805 { 806 struct uvscom_softc *sc = addr; 807 int err; 808 809 if (sc->sc_dying) 810 return; 811 812 DPRINTF(("uvscom_close: close\n")); 813 814 uvscom_shutdown(sc); 815 816 if (sc->sc_intr_pipe != NULL) { 817 err = usbd_abort_pipe(sc->sc_intr_pipe); 818 if (err) 819 aprint_error_dev(sc->sc_dev, 820 "abort interrupt pipe failed: %s\n", 821 usbd_errstr(err)); 822 err = usbd_close_pipe(sc->sc_intr_pipe); 823 if (err) 824 aprint_error_dev(sc->sc_dev, 825 "lose interrupt pipe failed: %s\n", 826 usbd_errstr(err)); 827 free(sc->sc_intr_buf, M_USBDEV); 828 sc->sc_intr_pipe = NULL; 829 } 830 } 831 832 Static void 833 uvscom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, 834 usbd_status status) 835 { 836 struct uvscom_softc *sc = priv; 837 u_char *buf = sc->sc_intr_buf; 838 u_char pstatus; 839 840 if (sc->sc_dying) 841 return; 842 843 if (status != USBD_NORMAL_COMPLETION) { 844 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 845 return; 846 847 aprint_error_dev(sc->sc_dev, 848 "uvscom_intr: abnormal status: %s\n", 849 usbd_errstr(status)); 850 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 851 return; 852 } 853 854 DPRINTFN(2, ("%s: uvscom status = %02x %02x\n", 855 USBDEVNAME(sc->sc_dev), buf[0], buf[1])); 856 857 sc->sc_lsr = sc->sc_msr = 0; 858 sc->sc_usr = buf[1]; 859 860 pstatus = buf[0]; 861 if (ISSET(pstatus, UVSCOM_TXRDY)) 862 SET(sc->sc_lsr, ULSR_TXRDY); 863 if (ISSET(pstatus, UVSCOM_RXRDY)) 864 SET(sc->sc_lsr, ULSR_RXRDY); 865 866 pstatus = buf[1]; 867 if (ISSET(pstatus, UVSCOM_CTS)) 868 SET(sc->sc_msr, UMSR_CTS); 869 if (ISSET(pstatus, UVSCOM_DSR)) 870 SET(sc->sc_msr, UMSR_DSR); 871 if (ISSET(pstatus, UVSCOM_DCD)) 872 SET(sc->sc_msr, UMSR_DCD); 873 874 ucom_status_change(device_private(sc->sc_subdev)); 875 } 876 877 Static void 878 uvscom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 879 { 880 struct uvscom_softc *sc = addr; 881 882 if (lsr != NULL) 883 *lsr = sc->sc_lsr; 884 if (msr != NULL) 885 *msr = sc->sc_msr; 886 } 887 888
Indexes created Wed Oct 22 13:09:56 GMT 2025