uvscom.c revision 1.38
1 /* $NetBSD: uvscom.c,v 1.38 2021/04/24 23:36:59 thorpej 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 1.38 2021/04/24 23:36:59 thorpej 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 bool 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 static const 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 }; 199 200 static const struct usb_devno uvscom_devs [] = { 201 /* SUNTAC U-Cable type A4 */ 202 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_AS144L4 }, 203 /* SUNTAC U-Cable type D2 */ 204 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_DS96L }, 205 /* SUNTAC U-Cable type P1 */ 206 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_PS64P1 }, 207 /* SUNTAC Slipper U */ 208 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_VS10U }, 209 /* SUNTAC Ir-Trinity */ 210 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_IS96U }, 211 }; 212 #define uvscom_lookup(v, p) usb_lookup(uvscom_devs, v, p) 213 214 static int uvscom_match(device_t, cfdata_t, void *); 215 static void uvscom_attach(device_t, device_t, void *); 216 static void uvscom_childdet(device_t, device_t); 217 static int uvscom_detach(device_t, int); 218 219 CFATTACH_DECL2_NEW(uvscom, sizeof(struct uvscom_softc), uvscom_match, 220 uvscom_attach, uvscom_detach, NULL, NULL, uvscom_childdet); 221 222 static int 223 uvscom_match(device_t parent, cfdata_t match, void *aux) 224 { 225 struct usb_attach_arg *uaa = aux; 226 227 return uvscom_lookup(uaa->uaa_vendor, uaa->uaa_product) != NULL ? 228 UMATCH_VENDOR_PRODUCT : UMATCH_NONE; 229 } 230 231 static void 232 uvscom_attach(device_t parent, device_t self, void *aux) 233 { 234 struct uvscom_softc *sc = device_private(self); 235 struct usb_attach_arg *uaa = aux; 236 struct usbd_device *dev = uaa->uaa_device; 237 usb_config_descriptor_t *cdesc; 238 usb_interface_descriptor_t *id; 239 usb_endpoint_descriptor_t *ed; 240 char *devinfop; 241 usbd_status err; 242 int i; 243 struct ucom_attach_args ucaa; 244 245 aprint_naive("\n"); 246 aprint_normal("\n"); 247 248 devinfop = usbd_devinfo_alloc(dev, 0); 249 aprint_normal_dev(self, "%s\n", devinfop); 250 usbd_devinfo_free(devinfop); 251 252 sc->sc_dev = self; 253 sc->sc_udev = dev; 254 sc->sc_dying = false; 255 256 DPRINTF(("uvscom attach: sc = %p\n", sc)); 257 258 /* initialize endpoints */ 259 ucaa.ucaa_bulkin = ucaa.ucaa_bulkout = -1; 260 sc->sc_intr_number = -1; 261 sc->sc_intr_pipe = NULL; 262 263 /* Move the device into the configured state. */ 264 err = usbd_set_config_index(dev, UVSCOM_CONFIG_INDEX, 1); 265 if (err) { 266 aprint_error_dev(self, "failed to set configuration, err=%s\n", 267 usbd_errstr(err)); 268 sc->sc_dying = true; 269 return; 270 } 271 272 /* get the config descriptor */ 273 cdesc = usbd_get_config_descriptor(sc->sc_udev); 274 275 if (cdesc == NULL) { 276 aprint_error_dev(self, 277 "failed to get configuration descriptor\n"); 278 sc->sc_dying = true; 279 return; 280 } 281 282 /* get the common interface */ 283 err = usbd_device2interface_handle(dev, UVSCOM_IFACE_INDEX, 284 &sc->sc_iface); 285 if (err) { 286 aprint_error_dev(self, "failed to get interface, err=%s\n", 287 usbd_errstr(err)); 288 sc->sc_dying = true; 289 return; 290 } 291 292 id = usbd_get_interface_descriptor(sc->sc_iface); 293 sc->sc_iface_number = id->bInterfaceNumber; 294 295 /* Find endpoints */ 296 for (i = 0; i < id->bNumEndpoints; i++) { 297 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 298 if (ed == NULL) { 299 aprint_error_dev(self, 300 "no endpoint descriptor for %d\n", i); 301 sc->sc_dying = true; 302 return; 303 } 304 305 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 306 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 307 ucaa.ucaa_bulkin = ed->bEndpointAddress; 308 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 309 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 310 ucaa.ucaa_bulkout = ed->bEndpointAddress; 311 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 312 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 313 sc->sc_intr_number = ed->bEndpointAddress; 314 sc->sc_isize = UGETW(ed->wMaxPacketSize); 315 } 316 } 317 318 if (ucaa.ucaa_bulkin == -1) { 319 aprint_error_dev(self, "Could not find data bulk in\n"); 320 sc->sc_dying = true; 321 return; 322 } 323 if (ucaa.ucaa_bulkout == -1) { 324 aprint_error_dev(self, "Could not find data bulk out\n"); 325 sc->sc_dying = true; 326 return; 327 } 328 if (sc->sc_intr_number == -1) { 329 aprint_error_dev(self, "Could not find interrupt in\n"); 330 sc->sc_dying = true; 331 return; 332 } 333 334 sc->sc_dtr = sc->sc_rts = 0; 335 sc->sc_lcr = UVSCOM_LINE_INIT; 336 337 ucaa.ucaa_portno = UCOM_UNK_PORTNO; 338 /* ucaa_bulkin, ucaa_bulkout set above */ 339 ucaa.ucaa_ibufsize = UVSCOMIBUFSIZE; 340 ucaa.ucaa_obufsize = UVSCOMOBUFSIZE; 341 ucaa.ucaa_ibufsizepad = UVSCOMIBUFSIZE; 342 ucaa.ucaa_opkthdrlen = 0; 343 ucaa.ucaa_device = dev; 344 ucaa.ucaa_iface = sc->sc_iface; 345 ucaa.ucaa_methods = &uvscom_methods; 346 ucaa.ucaa_arg = sc; 347 ucaa.ucaa_info = NULL; 348 349 err = uvscom_reset(sc); 350 351 if (err) { 352 aprint_error_dev(self, "reset failed, %s\n", usbd_errstr(err)); 353 sc->sc_dying = true; 354 return; 355 } 356 357 DPRINTF(("uvscom: in = %#x out = %#x intr = %#x\n", 358 ucaa.ucaa_bulkin, ucaa.ucaa_bulkout, sc->sc_intr_number)); 359 360 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); 361 362 DPRINTF(("uplcom: in=%#x out=%#x intr=%#x\n", 363 ucaa.ucaa_bulkin, ucaa.ucaa_bulkout, sc->sc_intr_number )); 364 sc->sc_subdev = config_found(self, &ucaa, ucomprint, 365 CFARG_SUBMATCH, ucomsubmatch, 366 CFARG_EOL); 367 368 return; 369 } 370 371 static void 372 uvscom_childdet(device_t self, device_t child) 373 { 374 struct uvscom_softc *sc = device_private(self); 375 376 KASSERT(sc->sc_subdev == child); 377 sc->sc_subdev = NULL; 378 } 379 380 static void 381 uvscom_close_pipe(struct uvscom_softc *sc) 382 { 383 384 if (sc->sc_intr_pipe != NULL) { 385 usbd_abort_pipe(sc->sc_intr_pipe); 386 usbd_close_pipe(sc->sc_intr_pipe); 387 sc->sc_intr_pipe = NULL; 388 } 389 if (sc->sc_intr_buf) { 390 kmem_free(sc->sc_intr_buf, sc->sc_isize); 391 sc->sc_intr_buf = NULL; 392 } 393 } 394 395 static int 396 uvscom_detach(device_t self, int flags) 397 { 398 struct uvscom_softc *sc = device_private(self); 399 int rv = 0; 400 401 DPRINTF(("uvscom_detach: sc = %p\n", sc)); 402 403 sc->sc_dying = true; 404 405 uvscom_close_pipe(sc); 406 407 if (sc->sc_subdev != NULL) { 408 rv = config_detach(sc->sc_subdev, flags); 409 sc->sc_subdev = NULL; 410 } 411 412 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); 413 414 return rv; 415 } 416 417 static usbd_status 418 uvscom_readstat(struct uvscom_softc *sc) 419 { 420 usb_device_request_t req; 421 usbd_status err; 422 uint16_t r; 423 424 DPRINTF(("%s: send readstat\n", device_xname(sc->sc_dev))); 425 426 req.bmRequestType = UT_READ_VENDOR_DEVICE; 427 req.bRequest = UVSCOM_READ_STATUS; 428 USETW(req.wValue, 0); 429 USETW(req.wIndex, 0); 430 USETW(req.wLength, 2); 431 432 err = usbd_do_request(sc->sc_udev, &req, &r); 433 if (err) { 434 aprint_error_dev(sc->sc_dev, "uvscom_readstat: %s\n", 435 usbd_errstr(err)); 436 return err; 437 } 438 439 DPRINTF(("%s: uvscom_readstat: r = %d\n", 440 device_xname(sc->sc_dev), r)); 441 442 return USBD_NORMAL_COMPLETION; 443 } 444 445 static usbd_status 446 uvscom_shutdown(struct uvscom_softc *sc) 447 { 448 usb_device_request_t req; 449 usbd_status err; 450 451 DPRINTF(("%s: send shutdown\n", device_xname(sc->sc_dev))); 452 453 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 454 req.bRequest = UVSCOM_SHUTDOWN; 455 USETW(req.wValue, 0); 456 USETW(req.wIndex, 0); 457 USETW(req.wLength, 0); 458 459 err = usbd_do_request(sc->sc_udev, &req, NULL); 460 if (err) { 461 aprint_error_dev(sc->sc_dev, "uvscom_shutdown: %s\n", 462 usbd_errstr(err)); 463 return err; 464 } 465 466 return USBD_NORMAL_COMPLETION; 467 } 468 469 static usbd_status 470 uvscom_reset(struct uvscom_softc *sc) 471 { 472 DPRINTF(("%s: uvscom_reset\n", device_xname(sc->sc_dev))); 473 474 return USBD_NORMAL_COMPLETION; 475 } 476 477 static usbd_status 478 uvscom_set_crtscts(struct uvscom_softc *sc) 479 { 480 DPRINTF(("%s: uvscom_set_crtscts\n", device_xname(sc->sc_dev))); 481 482 return USBD_NORMAL_COMPLETION; 483 } 484 485 static usbd_status 486 uvscom_set_line(struct uvscom_softc *sc, uint16_t line) 487 { 488 usb_device_request_t req; 489 usbd_status err; 490 491 DPRINTF(("%s: uvscom_set_line: %04x\n", 492 device_xname(sc->sc_dev), line)); 493 494 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 495 req.bRequest = UVSCOM_LINE_CTL; 496 USETW(req.wValue, line); 497 USETW(req.wIndex, 0); 498 USETW(req.wLength, 0); 499 500 err = usbd_do_request(sc->sc_udev, &req, NULL); 501 if (err) { 502 aprint_error_dev(sc->sc_dev, "uvscom_set_line: %s\n", 503 usbd_errstr(err)); 504 return err; 505 } 506 507 return USBD_NORMAL_COMPLETION; 508 } 509 510 static usbd_status 511 uvscom_set_line_coding(struct uvscom_softc *sc, uint16_t lsp, uint16_t ls) 512 { 513 usb_device_request_t req; 514 usbd_status err; 515 516 DPRINTF(("%s: uvscom_set_line_coding: %02x %02x\n", 517 device_xname(sc->sc_dev), lsp, ls)); 518 519 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 520 req.bRequest = UVSCOM_SET_SPEED; 521 USETW(req.wValue, lsp); 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_coding: %s\n", 528 usbd_errstr(err)); 529 return err; 530 } 531 532 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 533 req.bRequest = UVSCOM_SET_PARAM; 534 USETW(req.wValue, ls); 535 USETW(req.wIndex, 0); 536 USETW(req.wLength, 0); 537 538 err = usbd_do_request(sc->sc_udev, &req, NULL); 539 if (err) { 540 aprint_error_dev(sc->sc_dev, "uvscom_set_line_coding: %s\n", 541 usbd_errstr(err)); 542 return err; 543 } 544 545 return USBD_NORMAL_COMPLETION; 546 } 547 548 static void 549 uvscom_dtr(struct uvscom_softc *sc, int onoff) 550 { 551 DPRINTF(("%s: uvscom_dtr: onoff = %d\n", 552 device_xname(sc->sc_dev), onoff)); 553 554 if (sc->sc_dtr == onoff) 555 return; /* no change */ 556 557 sc->sc_dtr = onoff; 558 559 if (onoff) 560 SET(sc->sc_lcr, UVSCOM_DTR); 561 else 562 CLR(sc->sc_lcr, UVSCOM_DTR); 563 564 uvscom_set_line(sc, sc->sc_lcr); 565 } 566 567 static void 568 uvscom_rts(struct uvscom_softc *sc, int onoff) 569 { 570 DPRINTF(("%s: uvscom_rts: onoff = %d\n", 571 device_xname(sc->sc_dev), onoff)); 572 573 if (sc->sc_rts == onoff) 574 return; /* no change */ 575 576 sc->sc_rts = onoff; 577 578 if (onoff) 579 SET(sc->sc_lcr, UVSCOM_RTS); 580 else 581 CLR(sc->sc_lcr, UVSCOM_RTS); 582 583 uvscom_set_line(sc, sc->sc_lcr); 584 } 585 586 static void 587 uvscom_break(struct uvscom_softc *sc, int onoff) 588 { 589 DPRINTF(("%s: uvscom_break: onoff = %d\n", 590 device_xname(sc->sc_dev), onoff)); 591 592 if (onoff) 593 uvscom_set_line(sc, SET(sc->sc_lcr, UVSCOM_BREAK)); 594 } 595 596 static void 597 uvscom_set(void *addr, int portno, int reg, int onoff) 598 { 599 struct uvscom_softc *sc = addr; 600 601 if (sc->sc_dying) 602 return; 603 604 switch (reg) { 605 case UCOM_SET_DTR: 606 uvscom_dtr(sc, onoff); 607 break; 608 case UCOM_SET_RTS: 609 uvscom_rts(sc, onoff); 610 break; 611 case UCOM_SET_BREAK: 612 uvscom_break(sc, onoff); 613 break; 614 default: 615 break; 616 } 617 } 618 619 static int 620 uvscom_param(void *addr, int portno, struct termios *t) 621 { 622 struct uvscom_softc *sc = addr; 623 usbd_status err; 624 uint16_t lsp; 625 uint16_t ls; 626 627 DPRINTF(("%s: uvscom_param: sc = %p\n", 628 device_xname(sc->sc_dev), sc)); 629 630 if (sc->sc_dying) 631 return EIO; 632 633 ls = 0; 634 635 switch (t->c_ospeed) { 636 case B150: 637 lsp = UVSCOM_SPEED_150BPS; 638 break; 639 case B300: 640 lsp = UVSCOM_SPEED_300BPS; 641 break; 642 case B600: 643 lsp = UVSCOM_SPEED_600BPS; 644 break; 645 case B1200: 646 lsp = UVSCOM_SPEED_1200BPS; 647 break; 648 case B2400: 649 lsp = UVSCOM_SPEED_2400BPS; 650 break; 651 case B4800: 652 lsp = UVSCOM_SPEED_4800BPS; 653 break; 654 case B9600: 655 lsp = UVSCOM_SPEED_9600BPS; 656 break; 657 case B19200: 658 lsp = UVSCOM_SPEED_19200BPS; 659 break; 660 case B38400: 661 lsp = UVSCOM_SPEED_38400BPS; 662 break; 663 case B57600: 664 lsp = UVSCOM_SPEED_57600BPS; 665 break; 666 case B115200: 667 lsp = UVSCOM_SPEED_115200BPS; 668 break; 669 default: 670 return EIO; 671 } 672 673 if (ISSET(t->c_cflag, CSTOPB)) 674 SET(ls, UVSCOM_STOP_BIT_2); 675 else 676 SET(ls, UVSCOM_STOP_BIT_1); 677 678 if (ISSET(t->c_cflag, PARENB)) { 679 if (ISSET(t->c_cflag, PARODD)) 680 SET(ls, UVSCOM_PARITY_ODD); 681 else 682 SET(ls, UVSCOM_PARITY_EVEN); 683 } else 684 SET(ls, UVSCOM_PARITY_NONE); 685 686 switch (ISSET(t->c_cflag, CSIZE)) { 687 case CS5: 688 SET(ls, UVSCOM_DATA_BIT_5); 689 break; 690 case CS6: 691 SET(ls, UVSCOM_DATA_BIT_6); 692 break; 693 case CS7: 694 SET(ls, UVSCOM_DATA_BIT_7); 695 break; 696 case CS8: 697 SET(ls, UVSCOM_DATA_BIT_8); 698 break; 699 default: 700 return EIO; 701 } 702 703 err = uvscom_set_line_coding(sc, lsp, ls); 704 if (err) 705 return EIO; 706 707 if (ISSET(t->c_cflag, CRTSCTS)) { 708 err = uvscom_set_crtscts(sc); 709 if (err) 710 return EIO; 711 } 712 713 return 0; 714 } 715 716 static int 717 uvscom_open(void *addr, int portno) 718 { 719 struct uvscom_softc *sc = addr; 720 int err; 721 int i; 722 723 if (sc->sc_dying) 724 return EIO; 725 726 DPRINTF(("uvscom_open: sc = %p\n", sc)); 727 728 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 729 DPRINTF(("uvscom_open: open interrupt pipe.\n")); 730 731 sc->sc_usr = 0; /* clear unit status */ 732 733 err = uvscom_readstat(sc); 734 if (err) { 735 DPRINTF(("%s: uvscom_open: readstat faild\n", 736 device_xname(sc->sc_dev))); 737 return EIO; 738 } 739 740 sc->sc_intr_buf = kmem_alloc(sc->sc_isize, KM_SLEEP); 741 err = usbd_open_pipe_intr(sc->sc_iface, 742 sc->sc_intr_number, 743 USBD_SHORT_XFER_OK, 744 &sc->sc_intr_pipe, 745 sc, 746 sc->sc_intr_buf, 747 sc->sc_isize, 748 uvscom_intr, 749 UVSCOM_INTR_INTERVAL); 750 if (err) { 751 aprint_error_dev(sc->sc_dev, 752 "cannot open interrupt pipe (addr %d)\n", 753 sc->sc_intr_number); 754 return EIO; 755 } 756 } else { 757 DPRINTF(("uvscom_open: did not open interrupt pipe.\n")); 758 } 759 760 if ((sc->sc_usr & UVSCOM_USTAT_MASK) == 0) { 761 /* unit is not ready */ 762 763 for (i = UVSCOM_UNIT_WAIT; i > 0; --i) { 764 kpause("uvsopen", false, hz, NULL); 765 if (ISSET(sc->sc_usr, UVSCOM_USTAT_MASK)) 766 break; 767 } 768 if (i == 0) { 769 DPRINTF(("%s: unit is not ready\n", 770 device_xname(sc->sc_dev))); 771 return EIO; 772 } 773 774 /* check PC card was inserted */ 775 if (ISSET(sc->sc_usr, UVSCOM_NOCARD)) { 776 DPRINTF(("%s: no card\n", 777 device_xname(sc->sc_dev))); 778 return EIO; 779 } 780 } 781 782 return 0; 783 } 784 785 static void 786 uvscom_close(void *addr, int portno) 787 { 788 struct uvscom_softc *sc = addr; 789 790 DPRINTF(("uvscom_close: close\n")); 791 792 if (sc->sc_dying) 793 return; 794 795 uvscom_shutdown(sc); 796 uvscom_close_pipe(sc); 797 } 798 799 static void 800 uvscom_intr(struct usbd_xfer *xfer, void *priv, 801 usbd_status status) 802 { 803 struct uvscom_softc *sc = priv; 804 u_char *buf = sc->sc_intr_buf; 805 u_char pstatus; 806 807 if (sc->sc_dying) 808 return; 809 810 if (status != USBD_NORMAL_COMPLETION) { 811 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 812 return; 813 814 aprint_error_dev(sc->sc_dev, 815 "uvscom_intr: abnormal status: %s\n", 816 usbd_errstr(status)); 817 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 818 return; 819 } 820 821 DPRINTFN(2, ("%s: uvscom status = %02x %02x\n", 822 device_xname(sc->sc_dev), buf[0], buf[1])); 823 824 sc->sc_lsr = sc->sc_msr = 0; 825 sc->sc_usr = buf[1]; 826 827 pstatus = buf[0]; 828 if (ISSET(pstatus, UVSCOM_TXRDY)) 829 SET(sc->sc_lsr, ULSR_TXRDY); 830 if (ISSET(pstatus, UVSCOM_RXRDY)) 831 SET(sc->sc_lsr, ULSR_RXRDY); 832 833 pstatus = buf[1]; 834 if (ISSET(pstatus, UVSCOM_CTS)) 835 SET(sc->sc_msr, UMSR_CTS); 836 if (ISSET(pstatus, UVSCOM_DSR)) 837 SET(sc->sc_msr, UMSR_DSR); 838 if (ISSET(pstatus, UVSCOM_DCD)) 839 SET(sc->sc_msr, UMSR_DCD); 840 841 ucom_status_change(device_private(sc->sc_subdev)); 842 } 843 844 static void 845 uvscom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 846 { 847 struct uvscom_softc *sc = addr; 848 849 if (sc->sc_dying) 850 return; 851 852 *lsr = sc->sc_lsr; 853 *msr = sc->sc_msr; 854 } 855
Indexes created Thu Oct 16 14:10:15 GMT 2025