uvscom.c revision 1.37.6.1
1 /* $NetBSD: uvscom.c,v 1.37.6.1 2021/03/22 02:01:02 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 1.37.6.1 2021/03/22 02:01:02 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_IATTR, "ucombus", 367 CFARG_EOL); 368 369 return; 370 } 371 372 static 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 static void 382 uvscom_close_pipe(struct uvscom_softc *sc) 383 { 384 385 if (sc->sc_intr_pipe != NULL) { 386 usbd_abort_pipe(sc->sc_intr_pipe); 387 usbd_close_pipe(sc->sc_intr_pipe); 388 sc->sc_intr_pipe = NULL; 389 } 390 if (sc->sc_intr_buf) { 391 kmem_free(sc->sc_intr_buf, sc->sc_isize); 392 sc->sc_intr_buf = NULL; 393 } 394 } 395 396 static int 397 uvscom_detach(device_t self, int flags) 398 { 399 struct uvscom_softc *sc = device_private(self); 400 int rv = 0; 401 402 DPRINTF(("uvscom_detach: sc = %p\n", sc)); 403 404 sc->sc_dying = true; 405 406 uvscom_close_pipe(sc); 407 408 if (sc->sc_subdev != NULL) { 409 rv = config_detach(sc->sc_subdev, flags); 410 sc->sc_subdev = NULL; 411 } 412 413 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); 414 415 return rv; 416 } 417 418 static usbd_status 419 uvscom_readstat(struct uvscom_softc *sc) 420 { 421 usb_device_request_t req; 422 usbd_status err; 423 uint16_t r; 424 425 DPRINTF(("%s: send readstat\n", device_xname(sc->sc_dev))); 426 427 req.bmRequestType = UT_READ_VENDOR_DEVICE; 428 req.bRequest = UVSCOM_READ_STATUS; 429 USETW(req.wValue, 0); 430 USETW(req.wIndex, 0); 431 USETW(req.wLength, 2); 432 433 err = usbd_do_request(sc->sc_udev, &req, &r); 434 if (err) { 435 aprint_error_dev(sc->sc_dev, "uvscom_readstat: %s\n", 436 usbd_errstr(err)); 437 return err; 438 } 439 440 DPRINTF(("%s: uvscom_readstat: r = %d\n", 441 device_xname(sc->sc_dev), r)); 442 443 return USBD_NORMAL_COMPLETION; 444 } 445 446 static usbd_status 447 uvscom_shutdown(struct uvscom_softc *sc) 448 { 449 usb_device_request_t req; 450 usbd_status err; 451 452 DPRINTF(("%s: send shutdown\n", device_xname(sc->sc_dev))); 453 454 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 455 req.bRequest = UVSCOM_SHUTDOWN; 456 USETW(req.wValue, 0); 457 USETW(req.wIndex, 0); 458 USETW(req.wLength, 0); 459 460 err = usbd_do_request(sc->sc_udev, &req, NULL); 461 if (err) { 462 aprint_error_dev(sc->sc_dev, "uvscom_shutdown: %s\n", 463 usbd_errstr(err)); 464 return err; 465 } 466 467 return USBD_NORMAL_COMPLETION; 468 } 469 470 static usbd_status 471 uvscom_reset(struct uvscom_softc *sc) 472 { 473 DPRINTF(("%s: uvscom_reset\n", device_xname(sc->sc_dev))); 474 475 return USBD_NORMAL_COMPLETION; 476 } 477 478 static usbd_status 479 uvscom_set_crtscts(struct uvscom_softc *sc) 480 { 481 DPRINTF(("%s: uvscom_set_crtscts\n", device_xname(sc->sc_dev))); 482 483 return USBD_NORMAL_COMPLETION; 484 } 485 486 static usbd_status 487 uvscom_set_line(struct uvscom_softc *sc, uint16_t line) 488 { 489 usb_device_request_t req; 490 usbd_status err; 491 492 DPRINTF(("%s: uvscom_set_line: %04x\n", 493 device_xname(sc->sc_dev), line)); 494 495 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 496 req.bRequest = UVSCOM_LINE_CTL; 497 USETW(req.wValue, line); 498 USETW(req.wIndex, 0); 499 USETW(req.wLength, 0); 500 501 err = usbd_do_request(sc->sc_udev, &req, NULL); 502 if (err) { 503 aprint_error_dev(sc->sc_dev, "uvscom_set_line: %s\n", 504 usbd_errstr(err)); 505 return err; 506 } 507 508 return USBD_NORMAL_COMPLETION; 509 } 510 511 static usbd_status 512 uvscom_set_line_coding(struct uvscom_softc *sc, uint16_t lsp, uint16_t ls) 513 { 514 usb_device_request_t req; 515 usbd_status err; 516 517 DPRINTF(("%s: uvscom_set_line_coding: %02x %02x\n", 518 device_xname(sc->sc_dev), lsp, ls)); 519 520 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 521 req.bRequest = UVSCOM_SET_SPEED; 522 USETW(req.wValue, lsp); 523 USETW(req.wIndex, 0); 524 USETW(req.wLength, 0); 525 526 err = usbd_do_request(sc->sc_udev, &req, NULL); 527 if (err) { 528 aprint_error_dev(sc->sc_dev, "uvscom_set_line_coding: %s\n", 529 usbd_errstr(err)); 530 return err; 531 } 532 533 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 534 req.bRequest = UVSCOM_SET_PARAM; 535 USETW(req.wValue, ls); 536 USETW(req.wIndex, 0); 537 USETW(req.wLength, 0); 538 539 err = usbd_do_request(sc->sc_udev, &req, NULL); 540 if (err) { 541 aprint_error_dev(sc->sc_dev, "uvscom_set_line_coding: %s\n", 542 usbd_errstr(err)); 543 return err; 544 } 545 546 return USBD_NORMAL_COMPLETION; 547 } 548 549 static void 550 uvscom_dtr(struct uvscom_softc *sc, int onoff) 551 { 552 DPRINTF(("%s: uvscom_dtr: onoff = %d\n", 553 device_xname(sc->sc_dev), onoff)); 554 555 if (sc->sc_dtr == onoff) 556 return; /* no change */ 557 558 sc->sc_dtr = onoff; 559 560 if (onoff) 561 SET(sc->sc_lcr, UVSCOM_DTR); 562 else 563 CLR(sc->sc_lcr, UVSCOM_DTR); 564 565 uvscom_set_line(sc, sc->sc_lcr); 566 } 567 568 static void 569 uvscom_rts(struct uvscom_softc *sc, int onoff) 570 { 571 DPRINTF(("%s: uvscom_rts: onoff = %d\n", 572 device_xname(sc->sc_dev), onoff)); 573 574 if (sc->sc_rts == onoff) 575 return; /* no change */ 576 577 sc->sc_rts = onoff; 578 579 if (onoff) 580 SET(sc->sc_lcr, UVSCOM_RTS); 581 else 582 CLR(sc->sc_lcr, UVSCOM_RTS); 583 584 uvscom_set_line(sc, sc->sc_lcr); 585 } 586 587 static void 588 uvscom_break(struct uvscom_softc *sc, int onoff) 589 { 590 DPRINTF(("%s: uvscom_break: onoff = %d\n", 591 device_xname(sc->sc_dev), onoff)); 592 593 if (onoff) 594 uvscom_set_line(sc, SET(sc->sc_lcr, UVSCOM_BREAK)); 595 } 596 597 static void 598 uvscom_set(void *addr, int portno, int reg, int onoff) 599 { 600 struct uvscom_softc *sc = addr; 601 602 if (sc->sc_dying) 603 return; 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 if (sc->sc_dying) 632 return EIO; 633 634 ls = 0; 635 636 switch (t->c_ospeed) { 637 case B150: 638 lsp = UVSCOM_SPEED_150BPS; 639 break; 640 case B300: 641 lsp = UVSCOM_SPEED_300BPS; 642 break; 643 case B600: 644 lsp = UVSCOM_SPEED_600BPS; 645 break; 646 case B1200: 647 lsp = UVSCOM_SPEED_1200BPS; 648 break; 649 case B2400: 650 lsp = UVSCOM_SPEED_2400BPS; 651 break; 652 case B4800: 653 lsp = UVSCOM_SPEED_4800BPS; 654 break; 655 case B9600: 656 lsp = UVSCOM_SPEED_9600BPS; 657 break; 658 case B19200: 659 lsp = UVSCOM_SPEED_19200BPS; 660 break; 661 case B38400: 662 lsp = UVSCOM_SPEED_38400BPS; 663 break; 664 case B57600: 665 lsp = UVSCOM_SPEED_57600BPS; 666 break; 667 case B115200: 668 lsp = UVSCOM_SPEED_115200BPS; 669 break; 670 default: 671 return EIO; 672 } 673 674 if (ISSET(t->c_cflag, CSTOPB)) 675 SET(ls, UVSCOM_STOP_BIT_2); 676 else 677 SET(ls, UVSCOM_STOP_BIT_1); 678 679 if (ISSET(t->c_cflag, PARENB)) { 680 if (ISSET(t->c_cflag, PARODD)) 681 SET(ls, UVSCOM_PARITY_ODD); 682 else 683 SET(ls, UVSCOM_PARITY_EVEN); 684 } else 685 SET(ls, UVSCOM_PARITY_NONE); 686 687 switch (ISSET(t->c_cflag, CSIZE)) { 688 case CS5: 689 SET(ls, UVSCOM_DATA_BIT_5); 690 break; 691 case CS6: 692 SET(ls, UVSCOM_DATA_BIT_6); 693 break; 694 case CS7: 695 SET(ls, UVSCOM_DATA_BIT_7); 696 break; 697 case CS8: 698 SET(ls, UVSCOM_DATA_BIT_8); 699 break; 700 default: 701 return EIO; 702 } 703 704 err = uvscom_set_line_coding(sc, lsp, ls); 705 if (err) 706 return EIO; 707 708 if (ISSET(t->c_cflag, CRTSCTS)) { 709 err = uvscom_set_crtscts(sc); 710 if (err) 711 return EIO; 712 } 713 714 return 0; 715 } 716 717 static int 718 uvscom_open(void *addr, int portno) 719 { 720 struct uvscom_softc *sc = addr; 721 int err; 722 int i; 723 724 if (sc->sc_dying) 725 return EIO; 726 727 DPRINTF(("uvscom_open: sc = %p\n", sc)); 728 729 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 730 DPRINTF(("uvscom_open: open interrupt pipe.\n")); 731 732 sc->sc_usr = 0; /* clear unit status */ 733 734 err = uvscom_readstat(sc); 735 if (err) { 736 DPRINTF(("%s: uvscom_open: readstat faild\n", 737 device_xname(sc->sc_dev))); 738 return EIO; 739 } 740 741 sc->sc_intr_buf = kmem_alloc(sc->sc_isize, KM_SLEEP); 742 err = usbd_open_pipe_intr(sc->sc_iface, 743 sc->sc_intr_number, 744 USBD_SHORT_XFER_OK, 745 &sc->sc_intr_pipe, 746 sc, 747 sc->sc_intr_buf, 748 sc->sc_isize, 749 uvscom_intr, 750 UVSCOM_INTR_INTERVAL); 751 if (err) { 752 aprint_error_dev(sc->sc_dev, 753 "cannot open interrupt pipe (addr %d)\n", 754 sc->sc_intr_number); 755 return EIO; 756 } 757 } else { 758 DPRINTF(("uvscom_open: did not open interrupt pipe.\n")); 759 } 760 761 if ((sc->sc_usr & UVSCOM_USTAT_MASK) == 0) { 762 /* unit is not ready */ 763 764 for (i = UVSCOM_UNIT_WAIT; i > 0; --i) { 765 kpause("uvsopen", false, hz, NULL); 766 if (ISSET(sc->sc_usr, UVSCOM_USTAT_MASK)) 767 break; 768 } 769 if (i == 0) { 770 DPRINTF(("%s: unit is not ready\n", 771 device_xname(sc->sc_dev))); 772 return EIO; 773 } 774 775 /* check PC card was inserted */ 776 if (ISSET(sc->sc_usr, UVSCOM_NOCARD)) { 777 DPRINTF(("%s: no card\n", 778 device_xname(sc->sc_dev))); 779 return EIO; 780 } 781 } 782 783 return 0; 784 } 785 786 static void 787 uvscom_close(void *addr, int portno) 788 { 789 struct uvscom_softc *sc = addr; 790 791 DPRINTF(("uvscom_close: close\n")); 792 793 if (sc->sc_dying) 794 return; 795 796 uvscom_shutdown(sc); 797 uvscom_close_pipe(sc); 798 } 799 800 static void 801 uvscom_intr(struct usbd_xfer *xfer, void *priv, 802 usbd_status status) 803 { 804 struct uvscom_softc *sc = priv; 805 u_char *buf = sc->sc_intr_buf; 806 u_char pstatus; 807 808 if (sc->sc_dying) 809 return; 810 811 if (status != USBD_NORMAL_COMPLETION) { 812 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 813 return; 814 815 aprint_error_dev(sc->sc_dev, 816 "uvscom_intr: abnormal status: %s\n", 817 usbd_errstr(status)); 818 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 819 return; 820 } 821 822 DPRINTFN(2, ("%s: uvscom status = %02x %02x\n", 823 device_xname(sc->sc_dev), buf[0], buf[1])); 824 825 sc->sc_lsr = sc->sc_msr = 0; 826 sc->sc_usr = buf[1]; 827 828 pstatus = buf[0]; 829 if (ISSET(pstatus, UVSCOM_TXRDY)) 830 SET(sc->sc_lsr, ULSR_TXRDY); 831 if (ISSET(pstatus, UVSCOM_RXRDY)) 832 SET(sc->sc_lsr, ULSR_RXRDY); 833 834 pstatus = buf[1]; 835 if (ISSET(pstatus, UVSCOM_CTS)) 836 SET(sc->sc_msr, UMSR_CTS); 837 if (ISSET(pstatus, UVSCOM_DSR)) 838 SET(sc->sc_msr, UMSR_DSR); 839 if (ISSET(pstatus, UVSCOM_DCD)) 840 SET(sc->sc_msr, UMSR_DCD); 841 842 ucom_status_change(device_private(sc->sc_subdev)); 843 } 844 845 static void 846 uvscom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 847 { 848 struct uvscom_softc *sc = addr; 849 850 if (sc->sc_dying) 851 return; 852 853 *lsr = sc->sc_lsr; 854 *msr = sc->sc_msr; 855 } 856
Indexes created Wed Oct 15 16:09:53 GMT 2025