uvscom.c revision 1.28.16.9
1 /* $NetBSD: uvscom.c,v 1.28.16.9 2016/12/05 10:55:20 skrll Exp $ */ 2 /*- 3 * Copyright (c) 2001-2002, Shunsuke Akiyama <akiyama (at) jp.FreeBSD.org>. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD: src/sys/dev/usb/uvscom.c,v 1.1 2002/03/18 18:23:39 joe Exp $ 28 */ 29 30 /* 31 * uvscom: SUNTAC Slipper U VS-10U driver. 32 * Slipper U is a PC card to USB converter for data communication card 33 * adapter. It supports DDI Pocket's Air H" C@rd, C@rd H" 64, NTT's P-in, 34 * P-in m@ater and various data communication card adapters. 35 */ 36 37 #include <sys/cdefs.h> 38 __KERNEL_RCSID(0, "$NetBSD: uvscom.c,v 1.28.16.9 2016/12/05 10:55:20 skrll Exp $"); 39 40 #ifdef _KERNEL_OPT 41 #include "opt_usb.h" 42 #endif 43 44 #include <sys/param.h> 45 #include <sys/systm.h> 46 #include <sys/kernel.h> 47 #include <sys/kmem.h> 48 #include <sys/fcntl.h> 49 #include <sys/conf.h> 50 #include <sys/tty.h> 51 #include <sys/file.h> 52 #include <sys/ioctl.h> 53 #include <sys/device.h> 54 #include <sys/proc.h> 55 #include <sys/poll.h> 56 57 #include <dev/usb/usb.h> 58 #include <dev/usb/usbcdc.h> 59 60 #include <dev/usb/usbdi.h> 61 #include <dev/usb/usbdi_util.h> 62 #include <dev/usb/usbdevs.h> 63 #include <dev/usb/usb_quirks.h> 64 65 #include <dev/usb/ucomvar.h> 66 67 #ifdef UVSCOM_DEBUG 68 static int uvscomdebug = 1; 69 70 #define DPRINTFN(n, x) do { \ 71 if (uvscomdebug > (n)) \ 72 printf x; \ 73 } while (0) 74 #else 75 #define DPRINTFN(n, x) 76 #endif 77 #define DPRINTF(x) DPRINTFN(0, x) 78 79 #define UVSCOM_CONFIG_INDEX 0 80 #define UVSCOM_IFACE_INDEX 0 81 82 #define UVSCOM_INTR_INTERVAL 100 /* mS */ 83 84 #define UVSCOM_UNIT_WAIT 5 85 86 /* Request */ 87 #define UVSCOM_SET_SPEED 0x10 88 #define UVSCOM_LINE_CTL 0x11 89 #define UVSCOM_SET_PARAM 0x12 90 #define UVSCOM_READ_STATUS 0xd0 91 #define UVSCOM_SHUTDOWN 0xe0 92 93 /* UVSCOM_SET_SPEED parameters */ 94 #define UVSCOM_SPEED_150BPS 0x00 95 #define UVSCOM_SPEED_300BPS 0x01 96 #define UVSCOM_SPEED_600BPS 0x02 97 #define UVSCOM_SPEED_1200BPS 0x03 98 #define UVSCOM_SPEED_2400BPS 0x04 99 #define UVSCOM_SPEED_4800BPS 0x05 100 #define UVSCOM_SPEED_9600BPS 0x06 101 #define UVSCOM_SPEED_19200BPS 0x07 102 #define UVSCOM_SPEED_38400BPS 0x08 103 #define UVSCOM_SPEED_57600BPS 0x09 104 #define UVSCOM_SPEED_115200BPS 0x0a 105 106 /* UVSCOM_LINE_CTL parameters */ 107 #define UVSCOM_BREAK 0x40 108 #define UVSCOM_RTS 0x02 109 #define UVSCOM_DTR 0x01 110 #define UVSCOM_LINE_INIT 0x08 111 112 /* UVSCOM_SET_PARAM parameters */ 113 #define UVSCOM_DATA_MASK 0x03 114 #define UVSCOM_DATA_BIT_8 0x03 115 #define UVSCOM_DATA_BIT_7 0x02 116 #define UVSCOM_DATA_BIT_6 0x01 117 #define UVSCOM_DATA_BIT_5 0x00 118 119 #define UVSCOM_STOP_MASK 0x04 120 #define UVSCOM_STOP_BIT_2 0x04 121 #define UVSCOM_STOP_BIT_1 0x00 122 123 #define UVSCOM_PARITY_MASK 0x18 124 #define UVSCOM_PARITY_EVEN 0x18 125 #if 0 126 #define UVSCOM_PARITY_UNK 0x10 127 #endif 128 #define UVSCOM_PARITY_ODD 0x08 129 #define UVSCOM_PARITY_NONE 0x00 130 131 /* Status bits */ 132 #define UVSCOM_TXRDY 0x04 133 #define UVSCOM_RXRDY 0x01 134 135 #define UVSCOM_DCD 0x08 136 #define UVSCOM_NOCARD 0x04 137 #define UVSCOM_DSR 0x02 138 #define UVSCOM_CTS 0x01 139 #define UVSCOM_USTAT_MASK (UVSCOM_NOCARD | UVSCOM_DSR | UVSCOM_CTS) 140 141 struct uvscom_softc { 142 device_t sc_dev; /* base device */ 143 struct usbd_device * sc_udev; /* USB device */ 144 struct usbd_interface * sc_iface; /* interface */ 145 int sc_iface_number;/* interface number */ 146 147 struct usbd_interface * sc_intr_iface; /* interrupt interface */ 148 int sc_intr_number; /* interrupt number */ 149 struct usbd_pipe * sc_intr_pipe; /* interrupt pipe */ 150 u_char *sc_intr_buf; /* interrupt buffer */ 151 int sc_isize; 152 153 u_char sc_dtr; /* current DTR state */ 154 u_char sc_rts; /* current RTS state */ 155 156 u_char sc_lsr; /* Local status register */ 157 u_char sc_msr; /* uvscom status register */ 158 159 uint16_t sc_lcr; /* Line control */ 160 u_char sc_usr; /* unit status */ 161 162 device_t sc_subdev; /* ucom device */ 163 u_char sc_dying; /* disconnecting */ 164 }; 165 166 /* 167 * These are the maximum number of bytes transferred per frame. 168 * The output buffer size cannot be increased due to the size encoding. 169 */ 170 #define UVSCOMIBUFSIZE 512 171 #define UVSCOMOBUFSIZE 64 172 173 Static usbd_status uvscom_readstat(struct uvscom_softc *); 174 Static usbd_status uvscom_shutdown(struct uvscom_softc *); 175 Static usbd_status uvscom_reset(struct uvscom_softc *); 176 Static usbd_status uvscom_set_line_coding(struct uvscom_softc *, 177 uint16_t, uint16_t); 178 Static usbd_status uvscom_set_line(struct uvscom_softc *, uint16_t); 179 Static usbd_status uvscom_set_crtscts(struct uvscom_softc *); 180 Static void uvscom_get_status(void *, int, u_char *, u_char *); 181 Static void uvscom_dtr(struct uvscom_softc *, int); 182 Static void uvscom_rts(struct uvscom_softc *, int); 183 Static void uvscom_break(struct uvscom_softc *, int); 184 185 Static void uvscom_set(void *, int, int, int); 186 Static void uvscom_intr(struct usbd_xfer *, void *, usbd_status); 187 Static int uvscom_param(void *, int, struct termios *); 188 Static int uvscom_open(void *, int); 189 Static void uvscom_close(void *, int); 190 191 struct ucom_methods uvscom_methods = { 192 .ucom_get_status = uvscom_get_status, 193 .ucom_set = uvscom_set, 194 .ucom_param = uvscom_param, 195 .ucom_ioctl = NULL, /* TODO */ 196 .ucom_open = uvscom_open, 197 .ucom_close = uvscom_close, 198 .ucom_read = NULL, 199 .ucom_write = NULL 200 }; 201 202 static const struct usb_devno uvscom_devs [] = { 203 /* SUNTAC U-Cable type A4 */ 204 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_AS144L4 }, 205 /* SUNTAC U-Cable type D2 */ 206 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_DS96L }, 207 /* SUNTAC U-Cable type P1 */ 208 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_PS64P1 }, 209 /* SUNTAC Slipper U */ 210 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_VS10U }, 211 /* SUNTAC Ir-Trinity */ 212 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_IS96U }, 213 }; 214 #define uvscom_lookup(v, p) usb_lookup(uvscom_devs, v, p) 215 216 int uvscom_match(device_t, cfdata_t, void *); 217 void uvscom_attach(device_t, device_t, void *); 218 void uvscom_childdet(device_t, device_t); 219 int uvscom_detach(device_t, int); 220 int uvscom_activate(device_t, enum devact); 221 extern struct cfdriver uvscom_cd; 222 CFATTACH_DECL2_NEW(uvscom, sizeof(struct uvscom_softc), uvscom_match, 223 uvscom_attach, uvscom_detach, uvscom_activate, NULL, uvscom_childdet); 224 225 int 226 uvscom_match(device_t parent, cfdata_t match, void *aux) 227 { 228 struct usb_attach_arg *uaa = aux; 229 230 return uvscom_lookup(uaa->uaa_vendor, uaa->uaa_product) != NULL ? 231 UMATCH_VENDOR_PRODUCT : UMATCH_NONE; 232 } 233 234 void 235 uvscom_attach(device_t parent, device_t self, void *aux) 236 { 237 struct uvscom_softc *sc = device_private(self); 238 struct usb_attach_arg *uaa = aux; 239 struct usbd_device *dev = uaa->uaa_device; 240 usb_config_descriptor_t *cdesc; 241 usb_interface_descriptor_t *id; 242 usb_endpoint_descriptor_t *ed; 243 char *devinfop; 244 usbd_status err; 245 int i; 246 struct ucom_attach_args ucaa; 247 248 aprint_naive("\n"); 249 aprint_normal("\n"); 250 251 devinfop = usbd_devinfo_alloc(dev, 0); 252 aprint_normal_dev(self, "%s\n", devinfop); 253 usbd_devinfo_free(devinfop); 254 255 sc->sc_dev = self; 256 sc->sc_udev = dev; 257 258 DPRINTF(("uvscom attach: sc = %p\n", sc)); 259 260 /* initialize endpoints */ 261 ucaa.ucaa_bulkin = ucaa.ucaa_bulkout = -1; 262 sc->sc_intr_number = -1; 263 sc->sc_intr_pipe = NULL; 264 265 /* Move the device into the configured state. */ 266 err = usbd_set_config_index(dev, UVSCOM_CONFIG_INDEX, 1); 267 if (err) { 268 aprint_error_dev(self, "failed to set configuration, err=%s\n", 269 usbd_errstr(err)); 270 sc->sc_dying = 1; 271 return; 272 } 273 274 /* get the config descriptor */ 275 cdesc = usbd_get_config_descriptor(sc->sc_udev); 276 277 if (cdesc == NULL) { 278 aprint_error_dev(self, 279 "failed to get configuration descriptor\n"); 280 sc->sc_dying = 1; 281 return; 282 } 283 284 /* get the common interface */ 285 err = usbd_device2interface_handle(dev, UVSCOM_IFACE_INDEX, 286 &sc->sc_iface); 287 if (err) { 288 aprint_error_dev(self, "failed to get interface, err=%s\n", 289 usbd_errstr(err)); 290 sc->sc_dying = 1; 291 return; 292 } 293 294 id = usbd_get_interface_descriptor(sc->sc_iface); 295 sc->sc_iface_number = id->bInterfaceNumber; 296 297 /* Find endpoints */ 298 for (i = 0; i < id->bNumEndpoints; i++) { 299 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 300 if (ed == NULL) { 301 aprint_error_dev(self, 302 "no endpoint descriptor for %d\n", i); 303 sc->sc_dying = 1; 304 return; 305 } 306 307 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 308 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 309 ucaa.ucaa_bulkin = ed->bEndpointAddress; 310 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 311 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 312 ucaa.ucaa_bulkout = ed->bEndpointAddress; 313 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 314 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 315 sc->sc_intr_number = ed->bEndpointAddress; 316 sc->sc_isize = UGETW(ed->wMaxPacketSize); 317 } 318 } 319 320 if (ucaa.ucaa_bulkin == -1) { 321 aprint_error_dev(self, "Could not find data bulk in\n"); 322 sc->sc_dying = 1; 323 return; 324 } 325 if (ucaa.ucaa_bulkout == -1) { 326 aprint_error_dev(self, "Could not find data bulk out\n"); 327 sc->sc_dying = 1; 328 return; 329 } 330 if (sc->sc_intr_number == -1) { 331 aprint_error_dev(self, "Could not find interrupt in\n"); 332 sc->sc_dying = 1; 333 return; 334 } 335 336 sc->sc_dtr = sc->sc_rts = 0; 337 sc->sc_lcr = UVSCOM_LINE_INIT; 338 339 ucaa.ucaa_portno = UCOM_UNK_PORTNO; 340 /* ucaa_bulkin, ucaa_bulkout set above */ 341 ucaa.ucaa_ibufsize = UVSCOMIBUFSIZE; 342 ucaa.ucaa_obufsize = UVSCOMOBUFSIZE; 343 ucaa.ucaa_ibufsizepad = UVSCOMIBUFSIZE; 344 ucaa.ucaa_opkthdrlen = 0; 345 ucaa.ucaa_device = dev; 346 ucaa.ucaa_iface = sc->sc_iface; 347 ucaa.ucaa_methods = &uvscom_methods; 348 ucaa.ucaa_arg = sc; 349 ucaa.ucaa_info = NULL; 350 351 err = uvscom_reset(sc); 352 353 if (err) { 354 aprint_error_dev(self, "reset failed, %s\n", usbd_errstr(err)); 355 sc->sc_dying = 1; 356 return; 357 } 358 359 DPRINTF(("uvscom: in = 0x%x out = 0x%x intr = 0x%x\n", 360 ucaa.ucaa_bulkin, ucaa.ucaa_bulkout, sc->sc_intr_number)); 361 362 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); 363 364 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 365 ucaa.ucaa_bulkin, ucaa.ucaa_bulkout, sc->sc_intr_number )); 366 sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &ucaa, 367 ucomprint, ucomsubmatch); 368 369 return; 370 } 371 372 void 373 uvscom_childdet(device_t self, device_t child) 374 { 375 struct uvscom_softc *sc = device_private(self); 376 377 KASSERT(sc->sc_subdev == child); 378 sc->sc_subdev = NULL; 379 } 380 381 int 382 uvscom_detach(device_t self, int flags) 383 { 384 struct uvscom_softc *sc = device_private(self); 385 int rv = 0; 386 387 DPRINTF(("uvscom_detach: sc = %p\n", sc)); 388 389 sc->sc_dying = 1; 390 391 if (sc->sc_intr_pipe != NULL) { 392 usbd_abort_pipe(sc->sc_intr_pipe); 393 usbd_close_pipe(sc->sc_intr_pipe); 394 kmem_free(sc->sc_intr_buf, sc->sc_isize); 395 sc->sc_intr_pipe = NULL; 396 } 397 398 sc->sc_dying = 1; 399 if (sc->sc_subdev != NULL) 400 rv = config_detach(sc->sc_subdev, flags); 401 402 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); 403 404 return rv; 405 } 406 407 int 408 uvscom_activate(device_t self, enum devact act) 409 { 410 struct uvscom_softc *sc = device_private(self); 411 412 switch (act) { 413 case DVACT_DEACTIVATE: 414 sc->sc_dying = 1; 415 return 0; 416 default: 417 return EOPNOTSUPP; 418 } 419 } 420 421 Static usbd_status 422 uvscom_readstat(struct uvscom_softc *sc) 423 { 424 usb_device_request_t req; 425 usbd_status err; 426 uint16_t r; 427 428 DPRINTF(("%s: send readstat\n", device_xname(sc->sc_dev))); 429 430 req.bmRequestType = UT_READ_VENDOR_DEVICE; 431 req.bRequest = UVSCOM_READ_STATUS; 432 USETW(req.wValue, 0); 433 USETW(req.wIndex, 0); 434 USETW(req.wLength, 2); 435 436 err = usbd_do_request(sc->sc_udev, &req, &r); 437 if (err) { 438 aprint_error_dev(sc->sc_dev, "uvscom_readstat: %s\n", 439 usbd_errstr(err)); 440 return err; 441 } 442 443 DPRINTF(("%s: uvscom_readstat: r = %d\n", 444 device_xname(sc->sc_dev), r)); 445 446 return USBD_NORMAL_COMPLETION; 447 } 448 449 Static usbd_status 450 uvscom_shutdown(struct uvscom_softc *sc) 451 { 452 usb_device_request_t req; 453 usbd_status err; 454 455 DPRINTF(("%s: send shutdown\n", device_xname(sc->sc_dev))); 456 457 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 458 req.bRequest = UVSCOM_SHUTDOWN; 459 USETW(req.wValue, 0); 460 USETW(req.wIndex, 0); 461 USETW(req.wLength, 0); 462 463 err = usbd_do_request(sc->sc_udev, &req, NULL); 464 if (err) { 465 aprint_error_dev(sc->sc_dev, "uvscom_shutdown: %s\n", 466 usbd_errstr(err)); 467 return err; 468 } 469 470 return USBD_NORMAL_COMPLETION; 471 } 472 473 Static usbd_status 474 uvscom_reset(struct uvscom_softc *sc) 475 { 476 DPRINTF(("%s: uvscom_reset\n", device_xname(sc->sc_dev))); 477 478 return USBD_NORMAL_COMPLETION; 479 } 480 481 Static usbd_status 482 uvscom_set_crtscts(struct uvscom_softc *sc) 483 { 484 DPRINTF(("%s: uvscom_set_crtscts\n", device_xname(sc->sc_dev))); 485 486 return USBD_NORMAL_COMPLETION; 487 } 488 489 Static usbd_status 490 uvscom_set_line(struct uvscom_softc *sc, uint16_t line) 491 { 492 usb_device_request_t req; 493 usbd_status err; 494 495 DPRINTF(("%s: uvscom_set_line: %04x\n", 496 device_xname(sc->sc_dev), line)); 497 498 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 499 req.bRequest = UVSCOM_LINE_CTL; 500 USETW(req.wValue, line); 501 USETW(req.wIndex, 0); 502 USETW(req.wLength, 0); 503 504 err = usbd_do_request(sc->sc_udev, &req, NULL); 505 if (err) { 506 aprint_error_dev(sc->sc_dev, "uvscom_set_line: %s\n", 507 usbd_errstr(err)); 508 return err; 509 } 510 511 return USBD_NORMAL_COMPLETION; 512 } 513 514 Static usbd_status 515 uvscom_set_line_coding(struct uvscom_softc *sc, uint16_t lsp, uint16_t ls) 516 { 517 usb_device_request_t req; 518 usbd_status err; 519 520 DPRINTF(("%s: uvscom_set_line_coding: %02x %02x\n", 521 device_xname(sc->sc_dev), lsp, ls)); 522 523 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 524 req.bRequest = UVSCOM_SET_SPEED; 525 USETW(req.wValue, lsp); 526 USETW(req.wIndex, 0); 527 USETW(req.wLength, 0); 528 529 err = usbd_do_request(sc->sc_udev, &req, NULL); 530 if (err) { 531 aprint_error_dev(sc->sc_dev, "uvscom_set_line_coding: %s\n", 532 usbd_errstr(err)); 533 return err; 534 } 535 536 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 537 req.bRequest = UVSCOM_SET_PARAM; 538 USETW(req.wValue, ls); 539 USETW(req.wIndex, 0); 540 USETW(req.wLength, 0); 541 542 err = usbd_do_request(sc->sc_udev, &req, NULL); 543 if (err) { 544 aprint_error_dev(sc->sc_dev, "uvscom_set_line_coding: %s\n", 545 usbd_errstr(err)); 546 return err; 547 } 548 549 return USBD_NORMAL_COMPLETION; 550 } 551 552 Static void 553 uvscom_dtr(struct uvscom_softc *sc, int onoff) 554 { 555 DPRINTF(("%s: uvscom_dtr: onoff = %d\n", 556 device_xname(sc->sc_dev), onoff)); 557 558 if (sc->sc_dtr == onoff) 559 return; /* no change */ 560 561 sc->sc_dtr = onoff; 562 563 if (onoff) 564 SET(sc->sc_lcr, UVSCOM_DTR); 565 else 566 CLR(sc->sc_lcr, UVSCOM_DTR); 567 568 uvscom_set_line(sc, sc->sc_lcr); 569 } 570 571 Static void 572 uvscom_rts(struct uvscom_softc *sc, int onoff) 573 { 574 DPRINTF(("%s: uvscom_rts: onoff = %d\n", 575 device_xname(sc->sc_dev), onoff)); 576 577 if (sc->sc_rts == onoff) 578 return; /* no change */ 579 580 sc->sc_rts = onoff; 581 582 if (onoff) 583 SET(sc->sc_lcr, UVSCOM_RTS); 584 else 585 CLR(sc->sc_lcr, UVSCOM_RTS); 586 587 uvscom_set_line(sc, sc->sc_lcr); 588 } 589 590 Static void 591 uvscom_break(struct uvscom_softc *sc, int onoff) 592 { 593 DPRINTF(("%s: uvscom_break: onoff = %d\n", 594 device_xname(sc->sc_dev), onoff)); 595 596 if (onoff) 597 uvscom_set_line(sc, SET(sc->sc_lcr, UVSCOM_BREAK)); 598 } 599 600 Static void 601 uvscom_set(void *addr, int portno, int reg, int onoff) 602 { 603 struct uvscom_softc *sc = addr; 604 605 switch (reg) { 606 case UCOM_SET_DTR: 607 uvscom_dtr(sc, onoff); 608 break; 609 case UCOM_SET_RTS: 610 uvscom_rts(sc, onoff); 611 break; 612 case UCOM_SET_BREAK: 613 uvscom_break(sc, onoff); 614 break; 615 default: 616 break; 617 } 618 } 619 620 Static int 621 uvscom_param(void *addr, int portno, struct termios *t) 622 { 623 struct uvscom_softc *sc = addr; 624 usbd_status err; 625 uint16_t lsp; 626 uint16_t ls; 627 628 DPRINTF(("%s: uvscom_param: sc = %p\n", 629 device_xname(sc->sc_dev), sc)); 630 631 ls = 0; 632 633 switch (t->c_ospeed) { 634 case B150: 635 lsp = UVSCOM_SPEED_150BPS; 636 break; 637 case B300: 638 lsp = UVSCOM_SPEED_300BPS; 639 break; 640 case B600: 641 lsp = UVSCOM_SPEED_600BPS; 642 break; 643 case B1200: 644 lsp = UVSCOM_SPEED_1200BPS; 645 break; 646 case B2400: 647 lsp = UVSCOM_SPEED_2400BPS; 648 break; 649 case B4800: 650 lsp = UVSCOM_SPEED_4800BPS; 651 break; 652 case B9600: 653 lsp = UVSCOM_SPEED_9600BPS; 654 break; 655 case B19200: 656 lsp = UVSCOM_SPEED_19200BPS; 657 break; 658 case B38400: 659 lsp = UVSCOM_SPEED_38400BPS; 660 break; 661 case B57600: 662 lsp = UVSCOM_SPEED_57600BPS; 663 break; 664 case B115200: 665 lsp = UVSCOM_SPEED_115200BPS; 666 break; 667 default: 668 return EIO; 669 } 670 671 if (ISSET(t->c_cflag, CSTOPB)) 672 SET(ls, UVSCOM_STOP_BIT_2); 673 else 674 SET(ls, UVSCOM_STOP_BIT_1); 675 676 if (ISSET(t->c_cflag, PARENB)) { 677 if (ISSET(t->c_cflag, PARODD)) 678 SET(ls, UVSCOM_PARITY_ODD); 679 else 680 SET(ls, UVSCOM_PARITY_EVEN); 681 } else 682 SET(ls, UVSCOM_PARITY_NONE); 683 684 switch (ISSET(t->c_cflag, CSIZE)) { 685 case CS5: 686 SET(ls, UVSCOM_DATA_BIT_5); 687 break; 688 case CS6: 689 SET(ls, UVSCOM_DATA_BIT_6); 690 break; 691 case CS7: 692 SET(ls, UVSCOM_DATA_BIT_7); 693 break; 694 case CS8: 695 SET(ls, UVSCOM_DATA_BIT_8); 696 break; 697 default: 698 return EIO; 699 } 700 701 err = uvscom_set_line_coding(sc, lsp, ls); 702 if (err) 703 return EIO; 704 705 if (ISSET(t->c_cflag, CRTSCTS)) { 706 err = uvscom_set_crtscts(sc); 707 if (err) 708 return EIO; 709 } 710 711 return 0; 712 } 713 714 Static int 715 uvscom_open(void *addr, int portno) 716 { 717 struct uvscom_softc *sc = addr; 718 int err; 719 int i; 720 721 if (sc->sc_dying) 722 return EIO; 723 724 DPRINTF(("uvscom_open: sc = %p\n", sc)); 725 726 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 727 DPRINTF(("uvscom_open: open interrupt pipe.\n")); 728 729 sc->sc_usr = 0; /* clear unit status */ 730 731 err = uvscom_readstat(sc); 732 if (err) { 733 DPRINTF(("%s: uvscom_open: readstat faild\n", 734 device_xname(sc->sc_dev))); 735 return EIO; 736 } 737 738 sc->sc_intr_buf = kmem_alloc(sc->sc_isize, KM_SLEEP); 739 err = usbd_open_pipe_intr(sc->sc_iface, 740 sc->sc_intr_number, 741 USBD_SHORT_XFER_OK, 742 &sc->sc_intr_pipe, 743 sc, 744 sc->sc_intr_buf, 745 sc->sc_isize, 746 uvscom_intr, 747 UVSCOM_INTR_INTERVAL); 748 if (err) { 749 aprint_error_dev(sc->sc_dev, 750 "cannot open interrupt pipe (addr %d)\n", 751 sc->sc_intr_number); 752 return EIO; 753 } 754 } else { 755 DPRINTF(("uvscom_open: did not open interrupt pipe.\n")); 756 } 757 758 if ((sc->sc_usr & UVSCOM_USTAT_MASK) == 0) { 759 /* unit is not ready */ 760 761 for (i = UVSCOM_UNIT_WAIT; i > 0; --i) { 762 tsleep(&err, TTIPRI, "uvsop", hz); /* XXX */ 763 if (ISSET(sc->sc_usr, UVSCOM_USTAT_MASK)) 764 break; 765 } 766 if (i == 0) { 767 DPRINTF(("%s: unit is not ready\n", 768 device_xname(sc->sc_dev))); 769 return EIO; 770 } 771 772 /* check PC card was inserted */ 773 if (ISSET(sc->sc_usr, UVSCOM_NOCARD)) { 774 DPRINTF(("%s: no card\n", 775 device_xname(sc->sc_dev))); 776 return EIO; 777 } 778 } 779 780 return 0; 781 } 782 783 Static void 784 uvscom_close(void *addr, int portno) 785 { 786 struct uvscom_softc *sc = addr; 787 int err; 788 789 if (sc->sc_dying) 790 return; 791 792 DPRINTF(("uvscom_close: close\n")); 793 794 uvscom_shutdown(sc); 795 796 if (sc->sc_intr_pipe != NULL) { 797 err = usbd_abort_pipe(sc->sc_intr_pipe); 798 if (err) 799 aprint_error_dev(sc->sc_dev, 800 "abort interrupt pipe failed: %s\n", 801 usbd_errstr(err)); 802 err = usbd_close_pipe(sc->sc_intr_pipe); 803 if (err) 804 aprint_error_dev(sc->sc_dev, 805 "lose interrupt pipe failed: %s\n", 806 usbd_errstr(err)); 807 kmem_free(sc->sc_intr_buf, sc->sc_isize); 808 sc->sc_intr_pipe = NULL; 809 } 810 } 811 812 Static void 813 uvscom_intr(struct usbd_xfer *xfer, void *priv, 814 usbd_status status) 815 { 816 struct uvscom_softc *sc = priv; 817 u_char *buf = sc->sc_intr_buf; 818 u_char pstatus; 819 820 if (sc->sc_dying) 821 return; 822 823 if (status != USBD_NORMAL_COMPLETION) { 824 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 825 return; 826 827 aprint_error_dev(sc->sc_dev, 828 "uvscom_intr: abnormal status: %s\n", 829 usbd_errstr(status)); 830 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 831 return; 832 } 833 834 DPRINTFN(2, ("%s: uvscom status = %02x %02x\n", 835 device_xname(sc->sc_dev), buf[0], buf[1])); 836 837 sc->sc_lsr = sc->sc_msr = 0; 838 sc->sc_usr = buf[1]; 839 840 pstatus = buf[0]; 841 if (ISSET(pstatus, UVSCOM_TXRDY)) 842 SET(sc->sc_lsr, ULSR_TXRDY); 843 if (ISSET(pstatus, UVSCOM_RXRDY)) 844 SET(sc->sc_lsr, ULSR_RXRDY); 845 846 pstatus = buf[1]; 847 if (ISSET(pstatus, UVSCOM_CTS)) 848 SET(sc->sc_msr, UMSR_CTS); 849 if (ISSET(pstatus, UVSCOM_DSR)) 850 SET(sc->sc_msr, UMSR_DSR); 851 if (ISSET(pstatus, UVSCOM_DCD)) 852 SET(sc->sc_msr, UMSR_DCD); 853 854 ucom_status_change(device_private(sc->sc_subdev)); 855 } 856 857 Static void 858 uvscom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 859 { 860 struct uvscom_softc *sc = addr; 861 862 if (lsr != NULL) 863 *lsr = sc->sc_lsr; 864 if (msr != NULL) 865 *msr = sc->sc_msr; 866 } 867 868
Indexes created Wed Oct 15 16:09:53 GMT 2025