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sys/dev/usb/uvscom.c
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1 /* $NetBSD: usb/uvscom.c,v 1.1 2002/03/19 15:08:42 augustss Exp $ */ 2 /*- 3 * Copyright (c) 2001-2003, 2005 Shunsuke Akiyama <akiyama@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 */ 28 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD: releng/7.3/sys/dev/usb/uvscom.c 171233 2007-07-05 06:28:46Z imp $"); 31 32 /* 33 * uvscom: SUNTAC Slipper U VS-10U driver. 34 * Slipper U is a PC Card to USB converter for data communication card 35 * adapter. It supports DDI Pocket's Air H" C@rd, C@rd H" 64, NTT's P-in, 36 * P-in m@ater and various data communication card adapters. 37 */ 38 39 #include "opt_uvscom.h" 40 41 #include <sys/param.h> 42 #include <sys/systm.h> 43 #include <sys/kernel.h> 44 #include <sys/malloc.h> 45 #include <sys/module.h> 46 #include <sys/fcntl.h> 47 #include <sys/conf.h> 48 #include <sys/serial.h> 49 #include <sys/tty.h> 50 #include <sys/file.h> 51 #include <sys/bus.h> 52 #include <sys/ioccom.h> 53 #include <sys/selinfo.h> 54 #include <sys/proc.h> 55 #include <sys/poll.h> 56 #include <sys/sysctl.h> 57 #include <sys/taskqueue.h> 58 59 #include <dev/usb/usb.h> 60 #include <dev/usb/usbcdc.h> 61 62 #include <dev/usb/usbdi.h> 63 #include <dev/usb/usbdi_util.h> 64 #include "usbdevs.h" 65 #include <dev/usb/usb_quirks.h> 66 67 #include <dev/usb/ucomvar.h> 68 69 SYSCTL_NODE(_hw_usb, OID_AUTO, uvscom, CTLFLAG_RW, 0, "USB uvscom"); 70 #ifdef USB_DEBUG 71 static int uvscomdebug = 0; 72 SYSCTL_INT(_hw_usb_uvscom, OID_AUTO, debug, CTLFLAG_RW, 73 &uvscomdebug, 0, "uvscom debug level"); 74 75 #define DPRINTFN(n, x) do { \ 76 if (uvscomdebug > (n)) \ 77 printf x; \ 78 } while (0) 79 #else 80 #define DPRINTFN(n, x) 81 #endif 82 #define DPRINTF(x) DPRINTFN(0, x) 83 84 #define UVSCOM_MODVER 1 /* module version */ 85 86 #define UVSCOM_CONFIG_INDEX 0 87 #define UVSCOM_IFACE_INDEX 0 88 89 #ifndef UVSCOM_INTR_INTERVAL 90 #define UVSCOM_INTR_INTERVAL 100 /* mS */ 91 #endif 92 93 #define UVSCOM_UNIT_WAIT 5 94 95 /* Request */ 96 #define UVSCOM_SET_SPEED 0x10 97 #define UVSCOM_LINE_CTL 0x11 98 #define UVSCOM_SET_PARAM 0x12 99 #define UVSCOM_READ_STATUS 0xd0 100 #define UVSCOM_SHUTDOWN 0xe0 101 102 /* UVSCOM_SET_SPEED parameters */ 103 #define UVSCOM_SPEED_150BPS 0x00 104 #define UVSCOM_SPEED_300BPS 0x01 105 #define UVSCOM_SPEED_600BPS 0x02 106 #define UVSCOM_SPEED_1200BPS 0x03 107 #define UVSCOM_SPEED_2400BPS 0x04 108 #define UVSCOM_SPEED_4800BPS 0x05 109 #define UVSCOM_SPEED_9600BPS 0x06 110 #define UVSCOM_SPEED_19200BPS 0x07 111 #define UVSCOM_SPEED_38400BPS 0x08 112 #define UVSCOM_SPEED_57600BPS 0x09 113 #define UVSCOM_SPEED_115200BPS 0x0a 114 115 /* UVSCOM_LINE_CTL parameters */ 116 #define UVSCOM_BREAK 0x40 117 #define UVSCOM_RTS 0x02 118 #define UVSCOM_DTR 0x01 119 #define UVSCOM_LINE_INIT 0x08 120 121 /* UVSCOM_SET_PARAM parameters */ 122 #define UVSCOM_DATA_MASK 0x03 123 #define UVSCOM_DATA_BIT_8 0x03 124 #define UVSCOM_DATA_BIT_7 0x02 125 #define UVSCOM_DATA_BIT_6 0x01 126 #define UVSCOM_DATA_BIT_5 0x00 127 128 #define UVSCOM_STOP_MASK 0x04 129 #define UVSCOM_STOP_BIT_2 0x04 130 #define UVSCOM_STOP_BIT_1 0x00 131 132 #define UVSCOM_PARITY_MASK 0x18 133 #define UVSCOM_PARITY_EVEN 0x18 134 #if 0 135 #define UVSCOM_PARITY_UNK 0x10 136 #endif 137 #define UVSCOM_PARITY_ODD 0x08 138 #define UVSCOM_PARITY_NONE 0x00 139 140 /* Status bits */ 141 #define UVSCOM_TXRDY 0x04 142 #define UVSCOM_RXRDY 0x01 143 144 #define UVSCOM_DCD 0x08 145 #define UVSCOM_NOCARD 0x04 146 #define UVSCOM_DSR 0x02 147 #define UVSCOM_CTS 0x01 148 #define UVSCOM_USTAT_MASK (UVSCOM_NOCARD | UVSCOM_DSR | UVSCOM_CTS) 149 150 struct uvscom_softc { 151 struct ucom_softc sc_ucom; 152 153 int sc_iface_number;/* interface number */ 154 155 usbd_interface_handle sc_intr_iface; /* interrupt interface */ 156 int sc_intr_number; /* interrupt number */ 157 usbd_pipe_handle sc_intr_pipe; /* interrupt pipe */ 158 u_char *sc_intr_buf; /* interrupt buffer */ 159 int sc_isize; 160 161 u_char sc_dtr; /* current DTR state */ 162 u_char sc_rts; /* current RTS state */ 163 164 u_char sc_lsr; /* Local status register */ 165 u_char sc_msr; /* uvscom status register */ 166 167 uint16_t sc_lcr; /* Line control */ 168 u_char sc_usr; /* unit status */ 169 170 struct task sc_task; 171 }; 172 173 /* 174 * These are the maximum number of bytes transferred per frame. 175 * The output buffer size cannot be increased due to the size encoding. 176 */ 177 #define UVSCOMIBUFSIZE 512 178 #define UVSCOMOBUFSIZE 64 179 180 #ifndef UVSCOM_DEFAULT_OPKTSIZE 181 #define UVSCOM_DEFAULT_OPKTSIZE 8 182 #endif 183 184 static usbd_status uvscom_shutdown(struct uvscom_softc *); 185 static usbd_status uvscom_reset(struct uvscom_softc *); 186 static usbd_status uvscom_set_line_coding(struct uvscom_softc *, 187 uint16_t, uint16_t); 188 static usbd_status uvscom_set_line(struct uvscom_softc *, uint16_t); 189 static usbd_status uvscom_set_crtscts(struct uvscom_softc *); 190 static void uvscom_get_status(void *, int, u_char *, u_char *); 191 static void uvscom_dtr(struct uvscom_softc *, int); 192 static void uvscom_rts(struct uvscom_softc *, int); 193 static void uvscom_break(struct uvscom_softc *, int); 194 195 static void uvscom_set(void *, int, int, int); 196 static void uvscom_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 197 #if 0 /* TODO */ 198 static int uvscom_ioctl(void *, int, u_long, caddr_t, int, usb_proc_ptr); 199 #endif 200 static int uvscom_param(void *, int, struct termios *); 201 static int uvscom_open(void *, int); 202 static void uvscom_close(void *, int); 203 static void uvscom_notify(void *, int); 204 205 struct ucom_callback uvscom_callback = { 206 uvscom_get_status, 207 uvscom_set, 208 uvscom_param, 209 NULL, /* uvscom_ioctl, TODO */ 210 uvscom_open, 211 uvscom_close, 212 NULL, 213 NULL 214 }; 215 216 static const struct usb_devno uvscom_devs [] = { 217 /* SUNTAC U-Cable type A4 */ 218 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_AS144L4 }, 219 /* SUNTAC U-Cable type D2 */ 220 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_DS96L }, 221 /* SUNTAC Ir-Trinity */ 222 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_IS96U }, 223 /* SUNTAC U-Cable type P1 */ 224 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_PS64P1 }, 225 /* SUNTAC Slipper U */ 226 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_VS10U }, 227 }; 228 #define uvscom_lookup(v, p) usb_lookup(uvscom_devs, v, p) 229 230 static device_probe_t uvscom_match; 231 static device_attach_t uvscom_attach; 232 static device_detach_t uvscom_detach; 233 234 static device_method_t uvscom_methods[] = { 235 /* Device interface */ 236 DEVMETHOD(device_probe, uvscom_match), 237 DEVMETHOD(device_attach, uvscom_attach), 238 DEVMETHOD(device_detach, uvscom_detach), 239 { 0, 0 } 240 }; 241 242 static driver_t uvscom_driver = { 243 "ucom", 244 uvscom_methods, 245 sizeof (struct uvscom_softc) 246 }; 247 248 DRIVER_MODULE(uvscom, uhub, uvscom_driver, ucom_devclass, usbd_driver_load, 0); 249 MODULE_DEPEND(uvscom, usb, 1, 1, 1); 250 MODULE_DEPEND(uvscom, ucom, UCOM_MINVER, UCOM_PREFVER, UCOM_MAXVER); 251 MODULE_VERSION(uvscom, UVSCOM_MODVER); 252 253 static int uvscomobufsiz = UVSCOM_DEFAULT_OPKTSIZE; 254 static int uvscominterval = UVSCOM_INTR_INTERVAL; 255 256 static int 257 sysctl_hw_usb_uvscom_opktsize(SYSCTL_HANDLER_ARGS) 258 { 259 int err, val; 260 261 val = uvscomobufsiz; 262 err = sysctl_handle_int(oidp, &val, 0, req); 263 if (err != 0 || req->newptr == NULL) 264 return (err); 265 if (0 < val && val <= UVSCOMOBUFSIZE) 266 uvscomobufsiz = val; 267 else 268 err = EINVAL; 269 270 return (err); 271 } 272 273 static int 274 sysctl_hw_usb_uvscom_interval(SYSCTL_HANDLER_ARGS) 275 { 276 int err, val; 277 278 val = uvscominterval; 279 err = sysctl_handle_int(oidp, &val, 0, req); 280 if (err != 0 || req->newptr == NULL) 281 return (err); 282 if (0 < val && val <= 1000) 283 uvscominterval = val; 284 else 285 err = EINVAL; 286 287 return (err); 288 } 289 290 SYSCTL_PROC(_hw_usb_uvscom, OID_AUTO, opktsize, CTLTYPE_INT | CTLFLAG_RW, 291 0, sizeof(int), sysctl_hw_usb_uvscom_opktsize, 292 "I", "uvscom output packet size"); 293 SYSCTL_PROC(_hw_usb_uvscom, OID_AUTO, interval, CTLTYPE_INT | CTLFLAG_RW, 294 0, sizeof(int), sysctl_hw_usb_uvscom_interval, 295 "I", "uvscom interrpt pipe interval"); 296 297 static int 298 uvscom_match(device_t self) 299 { 300 struct usb_attach_arg *uaa = device_get_ivars(self); 301 302 if (uaa->iface != NULL) 303 return (UMATCH_NONE); 304 305 return (uvscom_lookup(uaa->vendor, uaa->product) != NULL ? 306 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 307 } 308 309 static int 310 uvscom_attach(device_t self) 311 { 312 struct uvscom_softc *sc = device_get_softc(self); 313 struct usb_attach_arg *uaa = device_get_ivars(self); 314 usbd_device_handle dev = uaa->device; 315 struct ucom_softc *ucom; 316 usb_config_descriptor_t *cdesc; 317 usb_interface_descriptor_t *id; 318 usb_endpoint_descriptor_t *ed; 319 usbd_status err; 320 int i; 321 322 ucom = &sc->sc_ucom; 323 ucom->sc_dev = self; 324 ucom->sc_udev = dev; 325 ucom->sc_iface = uaa->iface; 326 327 DPRINTF(("uvscom attach: sc = %p\n", sc)); 328 329 /* initialize endpoints */ 330 ucom->sc_bulkin_no = ucom->sc_bulkout_no = -1; 331 sc->sc_intr_number = -1; 332 sc->sc_intr_pipe = NULL; 333 334 /* Move the device into the configured state. */ 335 err = usbd_set_config_index(dev, UVSCOM_CONFIG_INDEX, 1); 336 if (err) { 337 device_printf(self, "failed to set configuration, err=%s\n", 338 usbd_errstr(err)); 339 goto error; 340 } 341 342 /* get the config descriptor */ 343 cdesc = usbd_get_config_descriptor(ucom->sc_udev); 344 345 if (cdesc == NULL) { 346 device_printf(self, "failed to get configuration descriptor\n"); 347 goto error; 348 } 349 350 /* get the common interface */ 351 err = usbd_device2interface_handle(dev, UVSCOM_IFACE_INDEX, 352 &ucom->sc_iface); 353 if (err) { 354 device_printf(self, "failed to get interface, err=%s\n", 355 usbd_errstr(err)); 356 goto error; 357 } 358 359 id = usbd_get_interface_descriptor(ucom->sc_iface); 360 sc->sc_iface_number = id->bInterfaceNumber; 361 362 /* Find endpoints */ 363 for (i = 0; i < id->bNumEndpoints; i++) { 364 ed = usbd_interface2endpoint_descriptor(ucom->sc_iface, i); 365 if (ed == NULL) { 366 device_printf(self, "no endpoint descriptor for %d\n", 367 i); 368 goto error; 369 } 370 371 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 372 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 373 ucom->sc_bulkin_no = ed->bEndpointAddress; 374 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 375 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 376 ucom->sc_bulkout_no = ed->bEndpointAddress; 377 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 378 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 379 sc->sc_intr_number = ed->bEndpointAddress; 380 sc->sc_isize = UGETW(ed->wMaxPacketSize); 381 } 382 } 383 384 if (ucom->sc_bulkin_no == -1) { 385 device_printf(self, "Could not find data bulk in\n"); 386 goto error; 387 } 388 if (ucom->sc_bulkout_no == -1) { 389 device_printf(self, "Could not find data bulk out\n"); 390 goto error; 391 } 392 if (sc->sc_intr_number == -1) { 393 device_printf(self, "Could not find interrupt in\n"); 394 goto error; 395 } 396 397 sc->sc_dtr = sc->sc_rts = 0; 398 sc->sc_lcr = UVSCOM_LINE_INIT; 399 400 ucom->sc_parent = sc; 401 ucom->sc_portno = UCOM_UNK_PORTNO; 402 /* bulkin, bulkout set above */ 403 ucom->sc_ibufsize = UVSCOMIBUFSIZE; 404 ucom->sc_obufsize = uvscomobufsiz; 405 ucom->sc_ibufsizepad = UVSCOMIBUFSIZE; 406 ucom->sc_opkthdrlen = 0; 407 ucom->sc_callback = &uvscom_callback; 408 409 err = uvscom_reset(sc); 410 411 if (err) { 412 device_printf(self, "reset failed, %s\n", usbd_errstr(err)); 413 goto error; 414 } 415 416 DPRINTF(("uvscom: in = 0x%x out = 0x%x intr = 0x%x\n", 417 ucom->sc_bulkin_no, ucom->sc_bulkout_no, sc->sc_intr_number)); 418 419 TASK_INIT(&sc->sc_task, 0, uvscom_notify, sc); 420 ucom_attach(&sc->sc_ucom); 421 return 0; 422 423 error: 424 ucom->sc_dying = 1; 425 return ENXIO; 426 } 427 428 static int 429 uvscom_detach(device_t self) 430 { 431 struct uvscom_softc *sc = device_get_softc(self); 432 int rv = 0; 433 434 DPRINTF(("uvscom_detach: sc = %p\n", sc)); 435 436 sc->sc_ucom.sc_dying = 1; 437 438 if (sc->sc_intr_pipe != NULL) { 439 usbd_abort_pipe(sc->sc_intr_pipe); 440 usbd_close_pipe(sc->sc_intr_pipe); 441 free(sc->sc_intr_buf, M_USBDEV); 442 sc->sc_intr_pipe = NULL; 443 } 444 445 rv = ucom_detach(&sc->sc_ucom); 446 447 return (rv); 448 } 449 450 static usbd_status 451 uvscom_readstat(struct uvscom_softc *sc) 452 { 453 usb_device_request_t req; 454 usbd_status err; 455 uint16_t r; 456 457 DPRINTF(("%s: send readstat\n", device_get_nameunit(sc->sc_ucom.sc_dev))); 458 459 req.bmRequestType = UT_READ_VENDOR_DEVICE; 460 req.bRequest = UVSCOM_READ_STATUS; 461 USETW(req.wValue, 0); 462 USETW(req.wIndex, 0); 463 USETW(req.wLength, 2); 464 465 err = usbd_do_request(sc->sc_ucom.sc_udev, &req, &r); 466 if (err) { 467 device_printf(sc->sc_ucom.sc_dev, "uvscom_readstat: %s\n", 468 usbd_errstr(err)); 469 return (err); 470 } 471 472 DPRINTF(("%s: uvscom_readstat: r = %d\n", 473 device_get_nameunit(sc->sc_ucom.sc_dev), r)); 474 475 return (USBD_NORMAL_COMPLETION); 476 } 477 478 static usbd_status 479 uvscom_shutdown(struct uvscom_softc *sc) 480 { 481 usb_device_request_t req; 482 usbd_status err; 483 484 DPRINTF(("%s: send shutdown\n", device_get_nameunit(sc->sc_ucom.sc_dev))); 485 486 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 487 req.bRequest = UVSCOM_SHUTDOWN; 488 USETW(req.wValue, 0); 489 USETW(req.wIndex, 0); 490 USETW(req.wLength, 0); 491 492 err = usbd_do_request(sc->sc_ucom.sc_udev, &req, NULL); 493 if (err) { 494 device_printf(sc->sc_ucom.sc_dev, "uvscom_shutdown: %s\n", 495 usbd_errstr(err)); 496 return (err); 497 } 498 499 return (USBD_NORMAL_COMPLETION); 500 } 501 502 static usbd_status 503 uvscom_reset(struct uvscom_softc *sc) 504 { 505 DPRINTF(("%s: uvscom_reset\n", device_get_nameunit(sc->sc_ucom.sc_dev))); 506 507 return (USBD_NORMAL_COMPLETION); 508 } 509 510 static usbd_status 511 uvscom_set_crtscts(struct uvscom_softc *sc) 512 { 513 DPRINTF(("%s: uvscom_set_crtscts\n", device_get_nameunit(sc->sc_ucom.sc_dev))); 514 515 return (USBD_NORMAL_COMPLETION); 516 } 517 518 static usbd_status 519 uvscom_set_line(struct uvscom_softc *sc, uint16_t line) 520 { 521 usb_device_request_t req; 522 usbd_status err; 523 524 DPRINTF(("%s: uvscom_set_line: %04x\n", 525 device_get_nameunit(sc->sc_ucom.sc_dev), line)); 526 527 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 528 req.bRequest = UVSCOM_LINE_CTL; 529 USETW(req.wValue, line); 530 USETW(req.wIndex, 0); 531 USETW(req.wLength, 0); 532 533 err = usbd_do_request(sc->sc_ucom.sc_udev, &req, NULL); 534 if (err) { 535 device_printf(sc->sc_ucom.sc_dev, "uvscom_set_line: %s\n", 536 usbd_errstr(err)); 537 return (err); 538 } 539 540 return (USBD_NORMAL_COMPLETION); 541 } 542 543 static usbd_status 544 uvscom_set_line_coding(struct uvscom_softc *sc, uint16_t lsp, uint16_t ls) 545 { 546 usb_device_request_t req; 547 usbd_status err; 548 549 DPRINTF(("%s: uvscom_set_line_coding: %02x %02x\n", 550 device_get_nameunit(sc->sc_ucom.sc_dev), lsp, ls)); 551 552 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 553 req.bRequest = UVSCOM_SET_SPEED; 554 USETW(req.wValue, lsp); 555 USETW(req.wIndex, 0); 556 USETW(req.wLength, 0); 557 558 err = usbd_do_request(sc->sc_ucom.sc_udev, &req, NULL); 559 if (err) { 560 device_printf(sc->sc_ucom.sc_dev, "uvscom_set_line_coding: %s\n", 561 usbd_errstr(err)); 562 return (err); 563 } 564 565 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 566 req.bRequest = UVSCOM_SET_PARAM; 567 USETW(req.wValue, ls); 568 USETW(req.wIndex, 0); 569 USETW(req.wLength, 0); 570 571 err = usbd_do_request(sc->sc_ucom.sc_udev, &req, NULL); 572 if (err) { 573 device_printf(sc->sc_ucom.sc_dev, "uvscom_set_line_coding: %s\n", 574 usbd_errstr(err)); 575 return (err); 576 } 577 578 return (USBD_NORMAL_COMPLETION); 579 } 580 581 static void 582 uvscom_dtr(struct uvscom_softc *sc, int onoff) 583 { 584 DPRINTF(("%s: uvscom_dtr: onoff = %d\n", 585 device_get_nameunit(sc->sc_ucom.sc_dev), onoff)); 586 587 if (sc->sc_dtr == onoff) 588 return; /* no change */ 589 590 sc->sc_dtr = onoff; 591 592 if (onoff) 593 SET(sc->sc_lcr, UVSCOM_DTR); 594 else 595 CLR(sc->sc_lcr, UVSCOM_DTR); 596 597 uvscom_set_line(sc, sc->sc_lcr); 598 } 599 600 static void 601 uvscom_rts(struct uvscom_softc *sc, int onoff) 602 { 603 DPRINTF(("%s: uvscom_rts: onoff = %d\n", 604 device_get_nameunit(sc->sc_ucom.sc_dev), onoff)); 605 606 if (sc->sc_rts == onoff) 607 return; /* no change */ 608 609 sc->sc_rts = onoff; 610 611 if (onoff) 612 SET(sc->sc_lcr, UVSCOM_RTS); 613 else 614 CLR(sc->sc_lcr, UVSCOM_RTS); 615 616 uvscom_set_line(sc, sc->sc_lcr); 617 } 618 619 static void 620 uvscom_break(struct uvscom_softc *sc, int onoff) 621 { 622 DPRINTF(("%s: uvscom_break: onoff = %d\n", 623 device_get_nameunit(sc->sc_ucom.sc_dev), onoff)); 624 625 if (onoff) 626 uvscom_set_line(sc, SET(sc->sc_lcr, UVSCOM_BREAK)); 627 } 628 629 static void 630 uvscom_set(void *addr, int portno, int reg, int onoff) 631 { 632 struct uvscom_softc *sc = addr; 633 634 switch (reg) { 635 case UCOM_SET_DTR: 636 uvscom_dtr(sc, onoff); 637 break; 638 case UCOM_SET_RTS: 639 uvscom_rts(sc, onoff); 640 break; 641 case UCOM_SET_BREAK: 642 uvscom_break(sc, onoff); 643 break; 644 default: 645 break; 646 } 647 } 648 649 static int 650 uvscom_param(void *addr, int portno, struct termios *t) 651 { 652 struct uvscom_softc *sc = addr; 653 usbd_status err; 654 uint16_t lsp; 655 uint16_t ls; 656 657 DPRINTF(("%s: uvscom_param: sc = %p\n", 658 device_get_nameunit(sc->sc_ucom.sc_dev), sc)); 659 660 ls = 0; 661 662 switch (t->c_ospeed) { 663 case B150: 664 lsp = UVSCOM_SPEED_150BPS; 665 break; 666 case B300: 667 lsp = UVSCOM_SPEED_300BPS; 668 break; 669 case B600: 670 lsp = UVSCOM_SPEED_600BPS; 671 break; 672 case B1200: 673 lsp = UVSCOM_SPEED_1200BPS; 674 break; 675 case B2400: 676 lsp = UVSCOM_SPEED_2400BPS; 677 break; 678 case B4800: 679 lsp = UVSCOM_SPEED_4800BPS; 680 break; 681 case B9600: 682 lsp = UVSCOM_SPEED_9600BPS; 683 break; 684 case B19200: 685 lsp = UVSCOM_SPEED_19200BPS; 686 break; 687 case B38400: 688 lsp = UVSCOM_SPEED_38400BPS; 689 break; 690 case B57600: 691 lsp = UVSCOM_SPEED_57600BPS; 692 break; 693 case B115200: 694 lsp = UVSCOM_SPEED_115200BPS; 695 break; 696 default: 697 return (EIO); 698 } 699 700 if (ISSET(t->c_cflag, CSTOPB)) 701 SET(ls, UVSCOM_STOP_BIT_2); 702 else 703 SET(ls, UVSCOM_STOP_BIT_1); 704 705 if (ISSET(t->c_cflag, PARENB)) { 706 if (ISSET(t->c_cflag, PARODD)) 707 SET(ls, UVSCOM_PARITY_ODD); 708 else 709 SET(ls, UVSCOM_PARITY_EVEN); 710 } else 711 SET(ls, UVSCOM_PARITY_NONE); 712 713 switch (ISSET(t->c_cflag, CSIZE)) { 714 case CS5: 715 SET(ls, UVSCOM_DATA_BIT_5); 716 break; 717 case CS6: 718 SET(ls, UVSCOM_DATA_BIT_6); 719 break; 720 case CS7: 721 SET(ls, UVSCOM_DATA_BIT_7); 722 break; 723 case CS8: 724 SET(ls, UVSCOM_DATA_BIT_8); 725 break; 726 default: 727 return (EIO); 728 } 729 730 err = uvscom_set_line_coding(sc, lsp, ls); 731 if (err) 732 return (EIO); 733 734 if (ISSET(t->c_cflag, CRTSCTS)) { 735 err = uvscom_set_crtscts(sc); 736 if (err) 737 return (EIO); 738 } 739 740 return (0); 741 } 742 743 static int 744 uvscom_open(void *addr, int portno) 745 { 746 struct uvscom_softc *sc = addr; 747 int err; 748 int i; 749 750 if (sc->sc_ucom.sc_dying) 751 return (ENXIO); 752 753 DPRINTF(("uvscom_open: sc = %p\n", sc)); 754 755 /* change output packet size */ 756 sc->sc_ucom.sc_obufsize = uvscomobufsiz; 757 758 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 759 DPRINTF(("uvscom_open: open interrupt pipe.\n")); 760 761 sc->sc_usr = 0; /* clear unit status */ 762 763 err = uvscom_readstat(sc); 764 if (err) { 765 DPRINTF(("%s: uvscom_open: readstat faild\n", 766 device_get_nameunit(sc->sc_ucom.sc_dev))); 767 return (ENXIO); 768 } 769 770 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 771 err = usbd_open_pipe_intr(sc->sc_ucom.sc_iface, 772 sc->sc_intr_number, 773 USBD_SHORT_XFER_OK, 774 &sc->sc_intr_pipe, 775 sc, 776 sc->sc_intr_buf, 777 sc->sc_isize, 778 uvscom_intr, 779 uvscominterval); 780 if (err) { 781 device_printf(sc->sc_ucom.sc_dev, 782 "cannot open interrupt pipe (addr %d)\n", 783 sc->sc_intr_number); 784 return (ENXIO); 785 } 786 } else { 787 DPRINTF(("uvscom_open: did not open interrupt pipe.\n")); 788 } 789 790 if ((sc->sc_usr & UVSCOM_USTAT_MASK) == 0) { 791 /* unit is not ready */ 792 793 for (i = UVSCOM_UNIT_WAIT; i > 0; --i) { 794 pause("uvsop", hz); /* XXX */ 795 if (ISSET(sc->sc_usr, UVSCOM_USTAT_MASK)) 796 break; 797 } 798 if (i == 0) { 799 DPRINTF(("%s: unit is not ready\n", 800 device_get_nameunit(sc->sc_ucom.sc_dev))); 801 return (ENXIO); 802 } 803 804 /* check PC Card was inserted */ 805 if (ISSET(sc->sc_usr, UVSCOM_NOCARD)) { 806 DPRINTF(("%s: no card\n", 807 device_get_nameunit(sc->sc_ucom.sc_dev))); 808 return (ENXIO); 809 } 810 } 811 812 return (0); 813 } 814 815 static void 816 uvscom_close(void *addr, int portno) 817 { 818 struct uvscom_softc *sc = addr; 819 int err; 820 821 if (sc->sc_ucom.sc_dying) 822 return; 823 824 DPRINTF(("uvscom_close: close\n")); 825 826 uvscom_shutdown(sc); 827 828 if (sc->sc_intr_pipe != NULL) { 829 err = usbd_abort_pipe(sc->sc_intr_pipe); 830 if (err) 831 device_printf(sc->sc_ucom.sc_dev, 832 "abort interrupt pipe failed: %s\n", 833 usbd_errstr(err)); 834 err = usbd_close_pipe(sc->sc_intr_pipe); 835 if (err) 836 device_printf(sc->sc_ucom.sc_dev, 837 "close interrupt pipe failed: %s\n", 838 usbd_errstr(err)); 839 free(sc->sc_intr_buf, M_USBDEV); 840 sc->sc_intr_pipe = NULL; 841 } 842 } 843 844 static void 845 uvscom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 846 { 847 struct uvscom_softc *sc = priv; 848 u_char *buf = sc->sc_intr_buf; 849 u_char pstatus; 850 851 if (sc->sc_ucom.sc_dying) 852 return; 853 854 if (status != USBD_NORMAL_COMPLETION) { 855 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 856 return; 857 858 device_printf(sc->sc_ucom.sc_dev, 859 "uvscom_intr: abnormal status: %s\n", 860 usbd_errstr(status)); 861 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 862 return; 863 } 864 865 DPRINTFN(2, ("%s: uvscom status = %02x %02x\n", 866 device_get_nameunit(sc->sc_ucom.sc_dev), buf[0], buf[1])); 867 868 sc->sc_lsr = sc->sc_msr = 0; 869 sc->sc_usr = buf[1]; 870 871 pstatus = buf[0]; 872 if (ISSET(pstatus, UVSCOM_TXRDY)) 873 SET(sc->sc_lsr, ULSR_TXRDY); 874 if (ISSET(pstatus, UVSCOM_RXRDY)) 875 SET(sc->sc_lsr, ULSR_RXRDY); 876 877 pstatus = buf[1]; 878 if (ISSET(pstatus, UVSCOM_CTS)) 879 SET(sc->sc_msr, SER_CTS); 880 if (ISSET(pstatus, UVSCOM_DSR)) 881 SET(sc->sc_msr, SER_DSR); 882 if (ISSET(pstatus, UVSCOM_DCD)) 883 SET(sc->sc_msr, SER_DCD); 884 885 /* Deferred notifying to the ucom layer */ 886 taskqueue_enqueue(taskqueue_swi_giant, &sc->sc_task); 887 } 888 889 static void 890 uvscom_notify(void *arg, int count) 891 { 892 struct uvscom_softc *sc; 893 894 sc = (struct uvscom_softc *)arg; 895 if (sc->sc_ucom.sc_dying) 896 return; 897 ucom_status_change(&sc->sc_ucom); 898 } 899 900 static void 901 uvscom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 902 { 903 struct uvscom_softc *sc = addr; 904 905 if (lsr != NULL) 906 *lsr = sc->sc_lsr; 907 if (msr != NULL) 908 *msr = sc->sc_msr; 909 } 910 911 #if 0 /* TODO */ 912 static int 913 uvscom_ioctl(void *addr, int portno, u_long cmd, caddr_t data, int flag, 914 struct thread *p) 915 { 916 struct uvscom_softc *sc = addr; 917 int error = 0; 918 919 if (sc->sc_ucom.sc_dying) 920 return (EIO); 921 922 DPRINTF(("uvscom_ioctl: cmd = 0x%08lx\n", cmd)); 923 924 switch (cmd) { 925 case TIOCNOTTY: 926 case TIOCMGET: 927 case TIOCMSET: 928 break; 929 930 default: 931 DPRINTF(("uvscom_ioctl: unknown\n")); 932 error = ENOTTY; 933 break; 934 } 935 936 return (error); 937 } 938 #endif
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