uvscom.c revision 214843
1/* $NetBSD: usb/uvscom.c,v 1.1 2002/03/19 15:08:42 augustss Exp $ */ 2 3#include <sys/cdefs.h> 4__FBSDID("$FreeBSD: head/sys/dev/usb/serial/uvscom.c 214843 2010-11-05 19:12:48Z n_hibma $"); 5 6/*- 7 * Copyright (c) 2001-2003, 2005 Shunsuke Akiyama <akiyama@jp.FreeBSD.org>. 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 */ 32 33/* 34 * uvscom: SUNTAC Slipper U VS-10U driver. 35 * Slipper U is a PC Card to USB converter for data communication card 36 * adapter. It supports DDI Pocket's Air H" C@rd, C@rd H" 64, NTT's P-in, 37 * P-in m@ater and various data communication card adapters. 38 */ 39 40#include <sys/stdint.h> 41#include <sys/stddef.h> 42#include <sys/param.h> 43#include <sys/queue.h> 44#include <sys/types.h> 45#include <sys/systm.h> 46#include <sys/kernel.h> 47#include <sys/bus.h> 48#include <sys/linker_set.h> 49#include <sys/module.h> 50#include <sys/lock.h> 51#include <sys/mutex.h> 52#include <sys/condvar.h> 53#include <sys/sysctl.h> 54#include <sys/sx.h> 55#include <sys/unistd.h> 56#include <sys/callout.h> 57#include <sys/malloc.h> 58#include <sys/priv.h> 59 60#include <dev/usb/usb.h> 61#include <dev/usb/usbdi.h> 62#include <dev/usb/usbdi_util.h> 63#include "usbdevs.h" 64 65#define USB_DEBUG_VAR uvscom_debug 66#include <dev/usb/usb_debug.h> 67#include <dev/usb/usb_process.h> 68 69#include <dev/usb/serial/usb_serial.h> 70 71#ifdef USB_DEBUG 72static int uvscom_debug = 0; 73 74SYSCTL_NODE(_hw_usb, OID_AUTO, uvscom, CTLFLAG_RW, 0, "USB uvscom"); 75SYSCTL_INT(_hw_usb_uvscom, OID_AUTO, debug, CTLFLAG_RW, 76 &uvscom_debug, 0, "Debug level"); 77#endif 78 79#define UVSCOM_MODVER 1 /* module version */ 80 81#define UVSCOM_CONFIG_INDEX 0 82#define UVSCOM_IFACE_INDEX 0 83 84/* Request */ 85#define UVSCOM_SET_SPEED 0x10 86#define UVSCOM_LINE_CTL 0x11 87#define UVSCOM_SET_PARAM 0x12 88#define UVSCOM_READ_STATUS 0xd0 89#define UVSCOM_SHUTDOWN 0xe0 90 91/* UVSCOM_SET_SPEED parameters */ 92#define UVSCOM_SPEED_150BPS 0x00 93#define UVSCOM_SPEED_300BPS 0x01 94#define UVSCOM_SPEED_600BPS 0x02 95#define UVSCOM_SPEED_1200BPS 0x03 96#define UVSCOM_SPEED_2400BPS 0x04 97#define UVSCOM_SPEED_4800BPS 0x05 98#define UVSCOM_SPEED_9600BPS 0x06 99#define UVSCOM_SPEED_19200BPS 0x07 100#define UVSCOM_SPEED_38400BPS 0x08 101#define UVSCOM_SPEED_57600BPS 0x09 102#define UVSCOM_SPEED_115200BPS 0x0a 103 104/* UVSCOM_LINE_CTL parameters */ 105#define UVSCOM_BREAK 0x40 106#define UVSCOM_RTS 0x02 107#define UVSCOM_DTR 0x01 108#define UVSCOM_LINE_INIT 0x08 109 110/* UVSCOM_SET_PARAM parameters */ 111#define UVSCOM_DATA_MASK 0x03 112#define UVSCOM_DATA_BIT_8 0x03 113#define UVSCOM_DATA_BIT_7 0x02 114#define UVSCOM_DATA_BIT_6 0x01 115#define UVSCOM_DATA_BIT_5 0x00 116 117#define UVSCOM_STOP_MASK 0x04 118#define UVSCOM_STOP_BIT_2 0x04 119#define UVSCOM_STOP_BIT_1 0x00 120 121#define UVSCOM_PARITY_MASK 0x18 122#define UVSCOM_PARITY_EVEN 0x18 123#define UVSCOM_PARITY_ODD 0x08 124#define UVSCOM_PARITY_NONE 0x00 125 126/* Status bits */ 127#define UVSCOM_TXRDY 0x04 128#define UVSCOM_RXRDY 0x01 129 130#define UVSCOM_DCD 0x08 131#define UVSCOM_NOCARD 0x04 132#define UVSCOM_DSR 0x02 133#define UVSCOM_CTS 0x01 134#define UVSCOM_USTAT_MASK (UVSCOM_NOCARD | UVSCOM_DSR | UVSCOM_CTS) 135 136#define UVSCOM_BULK_BUF_SIZE 1024 /* bytes */ 137 138enum { 139 UVSCOM_BULK_DT_WR, 140 UVSCOM_BULK_DT_RD, 141 UVSCOM_INTR_DT_RD, 142 UVSCOM_N_TRANSFER, 143}; 144 145struct uvscom_softc { 146 struct ucom_super_softc sc_super_ucom; 147 struct ucom_softc sc_ucom; 148 149 struct usb_xfer *sc_xfer[UVSCOM_N_TRANSFER]; 150 struct usb_device *sc_udev; 151 struct mtx sc_mtx; 152 153 uint16_t sc_line; /* line control register */ 154 155 uint8_t sc_iface_no; /* interface number */ 156 uint8_t sc_iface_index; /* interface index */ 157 uint8_t sc_lsr; /* local status register */ 158 uint8_t sc_msr; /* uvscom status register */ 159 uint8_t sc_unit_status; /* unit status */ 160}; 161 162/* prototypes */ 163 164static device_probe_t uvscom_probe; 165static device_attach_t uvscom_attach; 166static device_detach_t uvscom_detach; 167 168static usb_callback_t uvscom_write_callback; 169static usb_callback_t uvscom_read_callback; 170static usb_callback_t uvscom_intr_callback; 171 172static void uvscom_cfg_set_dtr(struct ucom_softc *, uint8_t); 173static void uvscom_cfg_set_rts(struct ucom_softc *, uint8_t); 174static void uvscom_cfg_set_break(struct ucom_softc *, uint8_t); 175static int uvscom_pre_param(struct ucom_softc *, struct termios *); 176static void uvscom_cfg_param(struct ucom_softc *, struct termios *); 177static int uvscom_pre_open(struct ucom_softc *); 178static void uvscom_cfg_open(struct ucom_softc *); 179static void uvscom_cfg_close(struct ucom_softc *); 180static void uvscom_start_read(struct ucom_softc *); 181static void uvscom_stop_read(struct ucom_softc *); 182static void uvscom_start_write(struct ucom_softc *); 183static void uvscom_stop_write(struct ucom_softc *); 184static void uvscom_cfg_get_status(struct ucom_softc *, uint8_t *, 185 uint8_t *); 186static void uvscom_cfg_write(struct uvscom_softc *, uint8_t, uint16_t); 187static uint16_t uvscom_cfg_read_status(struct uvscom_softc *); 188static void uvscom_poll(struct ucom_softc *ucom); 189 190static const struct usb_config uvscom_config[UVSCOM_N_TRANSFER] = { 191 192 [UVSCOM_BULK_DT_WR] = { 193 .type = UE_BULK, 194 .endpoint = UE_ADDR_ANY, 195 .direction = UE_DIR_OUT, 196 .bufsize = UVSCOM_BULK_BUF_SIZE, 197 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 198 .callback = &uvscom_write_callback, 199 }, 200 201 [UVSCOM_BULK_DT_RD] = { 202 .type = UE_BULK, 203 .endpoint = UE_ADDR_ANY, 204 .direction = UE_DIR_IN, 205 .bufsize = UVSCOM_BULK_BUF_SIZE, 206 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 207 .callback = &uvscom_read_callback, 208 }, 209 210 [UVSCOM_INTR_DT_RD] = { 211 .type = UE_INTERRUPT, 212 .endpoint = UE_ADDR_ANY, 213 .direction = UE_DIR_IN, 214 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 215 .bufsize = 0, /* use wMaxPacketSize */ 216 .callback = &uvscom_intr_callback, 217 }, 218}; 219 220static const struct ucom_callback uvscom_callback = { 221 .ucom_cfg_get_status = &uvscom_cfg_get_status, 222 .ucom_cfg_set_dtr = &uvscom_cfg_set_dtr, 223 .ucom_cfg_set_rts = &uvscom_cfg_set_rts, 224 .ucom_cfg_set_break = &uvscom_cfg_set_break, 225 .ucom_cfg_param = &uvscom_cfg_param, 226 .ucom_cfg_open = &uvscom_cfg_open, 227 .ucom_cfg_close = &uvscom_cfg_close, 228 .ucom_pre_open = &uvscom_pre_open, 229 .ucom_pre_param = &uvscom_pre_param, 230 .ucom_start_read = &uvscom_start_read, 231 .ucom_stop_read = &uvscom_stop_read, 232 .ucom_start_write = &uvscom_start_write, 233 .ucom_stop_write = &uvscom_stop_write, 234 .ucom_poll = &uvscom_poll, 235}; 236 237static const struct usb_device_id uvscom_devs[] = { 238 /* SUNTAC U-Cable type A4 */ 239 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_AS144L4, 0)}, 240 /* SUNTAC U-Cable type D2 */ 241 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_DS96L, 0)}, 242 /* SUNTAC Ir-Trinity */ 243 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_IS96U, 0)}, 244 /* SUNTAC U-Cable type P1 */ 245 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_PS64P1, 0)}, 246 /* SUNTAC Slipper U */ 247 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_VS10U, 0)}, 248}; 249 250static device_method_t uvscom_methods[] = { 251 DEVMETHOD(device_probe, uvscom_probe), 252 DEVMETHOD(device_attach, uvscom_attach), 253 DEVMETHOD(device_detach, uvscom_detach), 254 {0, 0} 255}; 256 257static devclass_t uvscom_devclass; 258 259static driver_t uvscom_driver = { 260 .name = "uvscom", 261 .methods = uvscom_methods, 262 .size = sizeof(struct uvscom_softc), 263}; 264 265DRIVER_MODULE(uvscom, uhub, uvscom_driver, uvscom_devclass, NULL, 0); 266MODULE_DEPEND(uvscom, ucom, 1, 1, 1); 267MODULE_DEPEND(uvscom, usb, 1, 1, 1); 268MODULE_VERSION(uvscom, UVSCOM_MODVER); 269 270static int 271uvscom_probe(device_t dev) 272{ 273 struct usb_attach_arg *uaa = device_get_ivars(dev); 274 275 if (uaa->usb_mode != USB_MODE_HOST) { 276 return (ENXIO); 277 } 278 if (uaa->info.bConfigIndex != UVSCOM_CONFIG_INDEX) { 279 return (ENXIO); 280 } 281 if (uaa->info.bIfaceIndex != UVSCOM_IFACE_INDEX) { 282 return (ENXIO); 283 } 284 return (usbd_lookup_id_by_uaa(uvscom_devs, sizeof(uvscom_devs), uaa)); 285} 286 287static int 288uvscom_attach(device_t dev) 289{ 290 struct usb_attach_arg *uaa = device_get_ivars(dev); 291 struct uvscom_softc *sc = device_get_softc(dev); 292 int error; 293 294 device_set_usb_desc(dev); 295 mtx_init(&sc->sc_mtx, "uvscom", NULL, MTX_DEF); 296 297 sc->sc_udev = uaa->device; 298 299 DPRINTF("sc=%p\n", sc); 300 301 sc->sc_iface_no = uaa->info.bIfaceNum; 302 sc->sc_iface_index = UVSCOM_IFACE_INDEX; 303 304 error = usbd_transfer_setup(uaa->device, &sc->sc_iface_index, 305 sc->sc_xfer, uvscom_config, UVSCOM_N_TRANSFER, sc, &sc->sc_mtx); 306 307 if (error) { 308 DPRINTF("could not allocate all USB transfers!\n"); 309 goto detach; 310 } 311 sc->sc_line = UVSCOM_LINE_INIT; 312 313 /* clear stall at first run */ 314 mtx_lock(&sc->sc_mtx); 315 usbd_xfer_set_stall(sc->sc_xfer[UVSCOM_BULK_DT_WR]); 316 usbd_xfer_set_stall(sc->sc_xfer[UVSCOM_BULK_DT_RD]); 317 mtx_unlock(&sc->sc_mtx); 318 319 error = ucom_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc, 320 &uvscom_callback, &sc->sc_mtx); 321 if (error) { 322 goto detach; 323 } 324 ucom_set_pnpinfo_usb(&sc->sc_super_ucom, dev); 325 326 /* start interrupt pipe */ 327 mtx_lock(&sc->sc_mtx); 328 usbd_transfer_start(sc->sc_xfer[UVSCOM_INTR_DT_RD]); 329 mtx_unlock(&sc->sc_mtx); 330 331 return (0); 332 333detach: 334 uvscom_detach(dev); 335 return (ENXIO); 336} 337 338static int 339uvscom_detach(device_t dev) 340{ 341 struct uvscom_softc *sc = device_get_softc(dev); 342 343 DPRINTF("sc=%p\n", sc); 344 345 /* stop interrupt pipe */ 346 347 if (sc->sc_xfer[UVSCOM_INTR_DT_RD]) 348 usbd_transfer_stop(sc->sc_xfer[UVSCOM_INTR_DT_RD]); 349 350 ucom_detach(&sc->sc_super_ucom, &sc->sc_ucom); 351 usbd_transfer_unsetup(sc->sc_xfer, UVSCOM_N_TRANSFER); 352 mtx_destroy(&sc->sc_mtx); 353 354 return (0); 355} 356 357static void 358uvscom_write_callback(struct usb_xfer *xfer, usb_error_t error) 359{ 360 struct uvscom_softc *sc = usbd_xfer_softc(xfer); 361 struct usb_page_cache *pc; 362 uint32_t actlen; 363 364 switch (USB_GET_STATE(xfer)) { 365 case USB_ST_SETUP: 366 case USB_ST_TRANSFERRED: 367tr_setup: 368 pc = usbd_xfer_get_frame(xfer, 0); 369 if (ucom_get_data(&sc->sc_ucom, pc, 0, 370 UVSCOM_BULK_BUF_SIZE, &actlen)) { 371 372 usbd_xfer_set_frame_len(xfer, 0, actlen); 373 usbd_transfer_submit(xfer); 374 } 375 return; 376 377 default: /* Error */ 378 if (error != USB_ERR_CANCELLED) { 379 /* try to clear stall first */ 380 usbd_xfer_set_stall(xfer); 381 goto tr_setup; 382 } 383 return; 384 } 385} 386 387static void 388uvscom_read_callback(struct usb_xfer *xfer, usb_error_t error) 389{ 390 struct uvscom_softc *sc = usbd_xfer_softc(xfer); 391 struct usb_page_cache *pc; 392 int actlen; 393 394 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 395 396 switch (USB_GET_STATE(xfer)) { 397 case USB_ST_TRANSFERRED: 398 pc = usbd_xfer_get_frame(xfer, 0); 399 ucom_put_data(&sc->sc_ucom, pc, 0, actlen); 400 401 case USB_ST_SETUP: 402tr_setup: 403 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 404 usbd_transfer_submit(xfer); 405 return; 406 407 default: /* Error */ 408 if (error != USB_ERR_CANCELLED) { 409 /* try to clear stall first */ 410 usbd_xfer_set_stall(xfer); 411 goto tr_setup; 412 } 413 return; 414 } 415} 416 417static void 418uvscom_intr_callback(struct usb_xfer *xfer, usb_error_t error) 419{ 420 struct uvscom_softc *sc = usbd_xfer_softc(xfer); 421 struct usb_page_cache *pc; 422 uint8_t buf[2]; 423 int actlen; 424 425 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 426 427 switch (USB_GET_STATE(xfer)) { 428 case USB_ST_TRANSFERRED: 429 if (actlen >= 2) { 430 431 pc = usbd_xfer_get_frame(xfer, 0); 432 usbd_copy_out(pc, 0, buf, sizeof(buf)); 433 434 sc->sc_lsr = 0; 435 sc->sc_msr = 0; 436 sc->sc_unit_status = buf[1]; 437 438 if (buf[0] & UVSCOM_TXRDY) { 439 sc->sc_lsr |= ULSR_TXRDY; 440 } 441 if (buf[0] & UVSCOM_RXRDY) { 442 sc->sc_lsr |= ULSR_RXRDY; 443 } 444 if (buf[1] & UVSCOM_CTS) { 445 sc->sc_msr |= SER_CTS; 446 } 447 if (buf[1] & UVSCOM_DSR) { 448 sc->sc_msr |= SER_DSR; 449 } 450 if (buf[1] & UVSCOM_DCD) { 451 sc->sc_msr |= SER_DCD; 452 } 453 /* 454 * the UCOM layer will ignore this call if the TTY 455 * device is closed! 456 */ 457 ucom_status_change(&sc->sc_ucom); 458 } 459 case USB_ST_SETUP: 460tr_setup: 461 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 462 usbd_transfer_submit(xfer); 463 return; 464 465 default: /* Error */ 466 if (error != USB_ERR_CANCELLED) { 467 /* try to clear stall first */ 468 usbd_xfer_set_stall(xfer); 469 goto tr_setup; 470 } 471 return; 472 } 473} 474 475static void 476uvscom_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff) 477{ 478 struct uvscom_softc *sc = ucom->sc_parent; 479 480 DPRINTF("onoff = %d\n", onoff); 481 482 if (onoff) 483 sc->sc_line |= UVSCOM_DTR; 484 else 485 sc->sc_line &= ~UVSCOM_DTR; 486 487 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line); 488} 489 490static void 491uvscom_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff) 492{ 493 struct uvscom_softc *sc = ucom->sc_parent; 494 495 DPRINTF("onoff = %d\n", onoff); 496 497 if (onoff) 498 sc->sc_line |= UVSCOM_RTS; 499 else 500 sc->sc_line &= ~UVSCOM_RTS; 501 502 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line); 503} 504 505static void 506uvscom_cfg_set_break(struct ucom_softc *ucom, uint8_t onoff) 507{ 508 struct uvscom_softc *sc = ucom->sc_parent; 509 510 DPRINTF("onoff = %d\n", onoff); 511 512 if (onoff) 513 sc->sc_line |= UVSCOM_BREAK; 514 else 515 sc->sc_line &= ~UVSCOM_BREAK; 516 517 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line); 518} 519 520static int 521uvscom_pre_param(struct ucom_softc *ucom, struct termios *t) 522{ 523 switch (t->c_ospeed) { 524 case B150: 525 case B300: 526 case B600: 527 case B1200: 528 case B2400: 529 case B4800: 530 case B9600: 531 case B19200: 532 case B38400: 533 case B57600: 534 case B115200: 535 default: 536 return (EINVAL); 537 } 538 return (0); 539} 540 541static void 542uvscom_cfg_param(struct ucom_softc *ucom, struct termios *t) 543{ 544 struct uvscom_softc *sc = ucom->sc_parent; 545 uint16_t value; 546 547 DPRINTF("\n"); 548 549 switch (t->c_ospeed) { 550 case B150: 551 value = UVSCOM_SPEED_150BPS; 552 break; 553 case B300: 554 value = UVSCOM_SPEED_300BPS; 555 break; 556 case B600: 557 value = UVSCOM_SPEED_600BPS; 558 break; 559 case B1200: 560 value = UVSCOM_SPEED_1200BPS; 561 break; 562 case B2400: 563 value = UVSCOM_SPEED_2400BPS; 564 break; 565 case B4800: 566 value = UVSCOM_SPEED_4800BPS; 567 break; 568 case B9600: 569 value = UVSCOM_SPEED_9600BPS; 570 break; 571 case B19200: 572 value = UVSCOM_SPEED_19200BPS; 573 break; 574 case B38400: 575 value = UVSCOM_SPEED_38400BPS; 576 break; 577 case B57600: 578 value = UVSCOM_SPEED_57600BPS; 579 break; 580 case B115200: 581 value = UVSCOM_SPEED_115200BPS; 582 break; 583 default: 584 return; 585 } 586 587 uvscom_cfg_write(sc, UVSCOM_SET_SPEED, value); 588 589 value = 0; 590 591 if (t->c_cflag & CSTOPB) { 592 value |= UVSCOM_STOP_BIT_2; 593 } 594 if (t->c_cflag & PARENB) { 595 if (t->c_cflag & PARODD) { 596 value |= UVSCOM_PARITY_ODD; 597 } else { 598 value |= UVSCOM_PARITY_EVEN; 599 } 600 } else { 601 value |= UVSCOM_PARITY_NONE; 602 } 603 604 switch (t->c_cflag & CSIZE) { 605 case CS5: 606 value |= UVSCOM_DATA_BIT_5; 607 break; 608 case CS6: 609 value |= UVSCOM_DATA_BIT_6; 610 break; 611 case CS7: 612 value |= UVSCOM_DATA_BIT_7; 613 break; 614 default: 615 case CS8: 616 value |= UVSCOM_DATA_BIT_8; 617 break; 618 } 619 620 uvscom_cfg_write(sc, UVSCOM_SET_PARAM, value); 621} 622 623static int 624uvscom_pre_open(struct ucom_softc *ucom) 625{ 626 struct uvscom_softc *sc = ucom->sc_parent; 627 628 DPRINTF("sc = %p\n", sc); 629 630 /* check if PC card was inserted */ 631 632 if (sc->sc_unit_status & UVSCOM_NOCARD) { 633 DPRINTF("no PC card!\n"); 634 return (ENXIO); 635 } 636 return (0); 637} 638 639static void 640uvscom_cfg_open(struct ucom_softc *ucom) 641{ 642 struct uvscom_softc *sc = ucom->sc_parent; 643 644 DPRINTF("sc = %p\n", sc); 645 646 uvscom_cfg_read_status(sc); 647} 648 649static void 650uvscom_cfg_close(struct ucom_softc *ucom) 651{ 652 struct uvscom_softc *sc = ucom->sc_parent; 653 654 DPRINTF("sc=%p\n", sc); 655 656 uvscom_cfg_write(sc, UVSCOM_SHUTDOWN, 0); 657} 658 659static void 660uvscom_start_read(struct ucom_softc *ucom) 661{ 662 struct uvscom_softc *sc = ucom->sc_parent; 663 664 usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_RD]); 665} 666 667static void 668uvscom_stop_read(struct ucom_softc *ucom) 669{ 670 struct uvscom_softc *sc = ucom->sc_parent; 671 672 usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_RD]); 673} 674 675static void 676uvscom_start_write(struct ucom_softc *ucom) 677{ 678 struct uvscom_softc *sc = ucom->sc_parent; 679 680 usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_WR]); 681} 682 683static void 684uvscom_stop_write(struct ucom_softc *ucom) 685{ 686 struct uvscom_softc *sc = ucom->sc_parent; 687 688 usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_WR]); 689} 690 691static void 692uvscom_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr) 693{ 694 struct uvscom_softc *sc = ucom->sc_parent; 695 696 *lsr = sc->sc_lsr; 697 *msr = sc->sc_msr; 698} 699 700static void 701uvscom_cfg_write(struct uvscom_softc *sc, uint8_t index, uint16_t value) 702{ 703 struct usb_device_request req; 704 usb_error_t err; 705 706 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 707 req.bRequest = index; 708 USETW(req.wValue, value); 709 USETW(req.wIndex, 0); 710 USETW(req.wLength, 0); 711 712 err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 713 &req, NULL, 0, 1000); 714 if (err) { 715 DPRINTFN(0, "device request failed, err=%s " 716 "(ignored)\n", usbd_errstr(err)); 717 } 718} 719 720static uint16_t 721uvscom_cfg_read_status(struct uvscom_softc *sc) 722{ 723 struct usb_device_request req; 724 usb_error_t err; 725 uint8_t data[2]; 726 727 req.bmRequestType = UT_READ_VENDOR_DEVICE; 728 req.bRequest = UVSCOM_READ_STATUS; 729 USETW(req.wValue, 0); 730 USETW(req.wIndex, 0); 731 USETW(req.wLength, 2); 732 733 err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 734 &req, data, 0, 1000); 735 if (err) { 736 DPRINTFN(0, "device request failed, err=%s " 737 "(ignored)\n", usbd_errstr(err)); 738 } 739 return (data[0] | (data[1] << 8)); 740} 741 742static void 743uvscom_poll(struct ucom_softc *ucom) 744{ 745 struct uvscom_softc *sc = ucom->sc_parent; 746 usbd_transfer_poll(sc->sc_xfer, UVSCOM_N_TRANSFER); 747} 748