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: releng/11.0/sys/dev/usb/serial/uvscom.c 292080 2015-12-11 05:28:00Z imp $"); 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/module.h> 49#include <sys/lock.h> 50#include <sys/mutex.h> 51#include <sys/condvar.h> 52#include <sys/sysctl.h> 53#include <sys/sx.h> 54#include <sys/unistd.h> 55#include <sys/callout.h> 56#include <sys/malloc.h> 57#include <sys/priv.h> 58 59#include <dev/usb/usb.h> 60#include <dev/usb/usbdi.h> 61#include <dev/usb/usbdi_util.h> 62#include "usbdevs.h" 63 64#define USB_DEBUG_VAR uvscom_debug 65#include <dev/usb/usb_debug.h> 66#include <dev/usb/usb_process.h> 67 68#include <dev/usb/serial/usb_serial.h> 69 70#ifdef USB_DEBUG 71static int uvscom_debug = 0; 72 73static SYSCTL_NODE(_hw_usb, OID_AUTO, uvscom, CTLFLAG_RW, 0, "USB uvscom"); 74SYSCTL_INT(_hw_usb_uvscom, OID_AUTO, debug, CTLFLAG_RWTUN, 75 &uvscom_debug, 0, "Debug level"); 76#endif 77 78#define UVSCOM_MODVER 1 /* module version */ 79 80#define UVSCOM_CONFIG_INDEX 0 81#define UVSCOM_IFACE_INDEX 0 82 83/* Request */ 84#define UVSCOM_SET_SPEED 0x10 85#define UVSCOM_LINE_CTL 0x11 86#define UVSCOM_SET_PARAM 0x12 87#define UVSCOM_READ_STATUS 0xd0 88#define UVSCOM_SHUTDOWN 0xe0 89 90/* UVSCOM_SET_SPEED parameters */ 91#define UVSCOM_SPEED_150BPS 0x00 92#define UVSCOM_SPEED_300BPS 0x01 93#define UVSCOM_SPEED_600BPS 0x02 94#define UVSCOM_SPEED_1200BPS 0x03 95#define UVSCOM_SPEED_2400BPS 0x04 96#define UVSCOM_SPEED_4800BPS 0x05 97#define UVSCOM_SPEED_9600BPS 0x06 98#define UVSCOM_SPEED_19200BPS 0x07 99#define UVSCOM_SPEED_38400BPS 0x08 100#define UVSCOM_SPEED_57600BPS 0x09 101#define UVSCOM_SPEED_115200BPS 0x0a 102 103/* UVSCOM_LINE_CTL parameters */ 104#define UVSCOM_BREAK 0x40 105#define UVSCOM_RTS 0x02 106#define UVSCOM_DTR 0x01 107#define UVSCOM_LINE_INIT 0x08 108 109/* UVSCOM_SET_PARAM parameters */ 110#define UVSCOM_DATA_MASK 0x03 111#define UVSCOM_DATA_BIT_8 0x03 112#define UVSCOM_DATA_BIT_7 0x02 113#define UVSCOM_DATA_BIT_6 0x01 114#define UVSCOM_DATA_BIT_5 0x00 115 116#define UVSCOM_STOP_MASK 0x04 117#define UVSCOM_STOP_BIT_2 0x04 118#define UVSCOM_STOP_BIT_1 0x00 119 120#define UVSCOM_PARITY_MASK 0x18 121#define UVSCOM_PARITY_EVEN 0x18 122#define UVSCOM_PARITY_ODD 0x08 123#define UVSCOM_PARITY_NONE 0x00 124 125/* Status bits */ 126#define UVSCOM_TXRDY 0x04 127#define UVSCOM_RXRDY 0x01 128 129#define UVSCOM_DCD 0x08 130#define UVSCOM_NOCARD 0x04 131#define UVSCOM_DSR 0x02 132#define UVSCOM_CTS 0x01 133#define UVSCOM_USTAT_MASK (UVSCOM_NOCARD | UVSCOM_DSR | UVSCOM_CTS) 134 135#define UVSCOM_BULK_BUF_SIZE 1024 /* bytes */ 136 137enum { 138 UVSCOM_BULK_DT_WR, 139 UVSCOM_BULK_DT_RD, 140 UVSCOM_INTR_DT_RD, 141 UVSCOM_N_TRANSFER, 142}; 143 144struct uvscom_softc { 145 struct ucom_super_softc sc_super_ucom; 146 struct ucom_softc sc_ucom; 147 148 struct usb_xfer *sc_xfer[UVSCOM_N_TRANSFER]; 149 struct usb_device *sc_udev; 150 struct mtx sc_mtx; 151 152 uint16_t sc_line; /* line control register */ 153 154 uint8_t sc_iface_no; /* interface number */ 155 uint8_t sc_iface_index; /* interface index */ 156 uint8_t sc_lsr; /* local status register */ 157 uint8_t sc_msr; /* uvscom status register */ 158 uint8_t sc_unit_status; /* unit status */ 159}; 160 161/* prototypes */ 162 163static device_probe_t uvscom_probe; 164static device_attach_t uvscom_attach; 165static device_detach_t uvscom_detach; 166static void uvscom_free_softc(struct uvscom_softc *); 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_free(struct ucom_softc *); 173static void uvscom_cfg_set_dtr(struct ucom_softc *, uint8_t); 174static void uvscom_cfg_set_rts(struct ucom_softc *, uint8_t); 175static void uvscom_cfg_set_break(struct ucom_softc *, uint8_t); 176static int uvscom_pre_param(struct ucom_softc *, struct termios *); 177static void uvscom_cfg_param(struct ucom_softc *, struct termios *); 178static int uvscom_pre_open(struct ucom_softc *); 179static void uvscom_cfg_open(struct ucom_softc *); 180static void uvscom_cfg_close(struct ucom_softc *); 181static void uvscom_start_read(struct ucom_softc *); 182static void uvscom_stop_read(struct ucom_softc *); 183static void uvscom_start_write(struct ucom_softc *); 184static void uvscom_stop_write(struct ucom_softc *); 185static void uvscom_cfg_get_status(struct ucom_softc *, uint8_t *, 186 uint8_t *); 187static void uvscom_cfg_write(struct uvscom_softc *, uint8_t, uint16_t); 188static uint16_t uvscom_cfg_read_status(struct uvscom_softc *); 189static void uvscom_poll(struct ucom_softc *ucom); 190 191static const struct usb_config uvscom_config[UVSCOM_N_TRANSFER] = { 192 193 [UVSCOM_BULK_DT_WR] = { 194 .type = UE_BULK, 195 .endpoint = UE_ADDR_ANY, 196 .direction = UE_DIR_OUT, 197 .bufsize = UVSCOM_BULK_BUF_SIZE, 198 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 199 .callback = &uvscom_write_callback, 200 }, 201 202 [UVSCOM_BULK_DT_RD] = { 203 .type = UE_BULK, 204 .endpoint = UE_ADDR_ANY, 205 .direction = UE_DIR_IN, 206 .bufsize = UVSCOM_BULK_BUF_SIZE, 207 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 208 .callback = &uvscom_read_callback, 209 }, 210 211 [UVSCOM_INTR_DT_RD] = { 212 .type = UE_INTERRUPT, 213 .endpoint = UE_ADDR_ANY, 214 .direction = UE_DIR_IN, 215 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 216 .bufsize = 0, /* use wMaxPacketSize */ 217 .callback = &uvscom_intr_callback, 218 }, 219}; 220 221static const struct ucom_callback uvscom_callback = { 222 .ucom_cfg_get_status = &uvscom_cfg_get_status, 223 .ucom_cfg_set_dtr = &uvscom_cfg_set_dtr, 224 .ucom_cfg_set_rts = &uvscom_cfg_set_rts, 225 .ucom_cfg_set_break = &uvscom_cfg_set_break, 226 .ucom_cfg_param = &uvscom_cfg_param, 227 .ucom_cfg_open = &uvscom_cfg_open, 228 .ucom_cfg_close = &uvscom_cfg_close, 229 .ucom_pre_open = &uvscom_pre_open, 230 .ucom_pre_param = &uvscom_pre_param, 231 .ucom_start_read = &uvscom_start_read, 232 .ucom_stop_read = &uvscom_stop_read, 233 .ucom_start_write = &uvscom_start_write, 234 .ucom_stop_write = &uvscom_stop_write, 235 .ucom_poll = &uvscom_poll, 236 .ucom_free = &uvscom_free, 237}; 238 239static const STRUCT_USB_HOST_ID uvscom_devs[] = { 240 /* SUNTAC U-Cable type A4 */ 241 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_AS144L4, 0)}, 242 /* SUNTAC U-Cable type D2 */ 243 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_DS96L, 0)}, 244 /* SUNTAC Ir-Trinity */ 245 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_IS96U, 0)}, 246 /* SUNTAC U-Cable type P1 */ 247 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_PS64P1, 0)}, 248 /* SUNTAC Slipper U */ 249 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_VS10U, 0)}, 250}; 251 252static device_method_t uvscom_methods[] = { 253 DEVMETHOD(device_probe, uvscom_probe), 254 DEVMETHOD(device_attach, uvscom_attach), 255 DEVMETHOD(device_detach, uvscom_detach), 256 DEVMETHOD_END 257}; 258 259static devclass_t uvscom_devclass; 260 261static driver_t uvscom_driver = { 262 .name = "uvscom", 263 .methods = uvscom_methods, 264 .size = sizeof(struct uvscom_softc), 265}; 266 267DRIVER_MODULE(uvscom, uhub, uvscom_driver, uvscom_devclass, NULL, 0); 268MODULE_DEPEND(uvscom, ucom, 1, 1, 1); 269MODULE_DEPEND(uvscom, usb, 1, 1, 1); 270MODULE_VERSION(uvscom, UVSCOM_MODVER); 271USB_PNP_HOST_INFO(uvscom_devs); 272 273static int 274uvscom_probe(device_t dev) 275{ 276 struct usb_attach_arg *uaa = device_get_ivars(dev); 277 278 if (uaa->usb_mode != USB_MODE_HOST) { 279 return (ENXIO); 280 } 281 if (uaa->info.bConfigIndex != UVSCOM_CONFIG_INDEX) { 282 return (ENXIO); 283 } 284 if (uaa->info.bIfaceIndex != UVSCOM_IFACE_INDEX) { 285 return (ENXIO); 286 } 287 return (usbd_lookup_id_by_uaa(uvscom_devs, sizeof(uvscom_devs), uaa)); 288} 289 290static int 291uvscom_attach(device_t dev) 292{ 293 struct usb_attach_arg *uaa = device_get_ivars(dev); 294 struct uvscom_softc *sc = device_get_softc(dev); 295 int error; 296 297 device_set_usb_desc(dev); 298 mtx_init(&sc->sc_mtx, "uvscom", NULL, MTX_DEF); 299 ucom_ref(&sc->sc_super_ucom); 300 301 sc->sc_udev = uaa->device; 302 303 DPRINTF("sc=%p\n", sc); 304 305 sc->sc_iface_no = uaa->info.bIfaceNum; 306 sc->sc_iface_index = UVSCOM_IFACE_INDEX; 307 308 error = usbd_transfer_setup(uaa->device, &sc->sc_iface_index, 309 sc->sc_xfer, uvscom_config, UVSCOM_N_TRANSFER, sc, &sc->sc_mtx); 310 311 if (error) { 312 DPRINTF("could not allocate all USB transfers!\n"); 313 goto detach; 314 } 315 sc->sc_line = UVSCOM_LINE_INIT; 316 317 /* clear stall at first run */ 318 mtx_lock(&sc->sc_mtx); 319 usbd_xfer_set_stall(sc->sc_xfer[UVSCOM_BULK_DT_WR]); 320 usbd_xfer_set_stall(sc->sc_xfer[UVSCOM_BULK_DT_RD]); 321 mtx_unlock(&sc->sc_mtx); 322 323 error = ucom_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc, 324 &uvscom_callback, &sc->sc_mtx); 325 if (error) { 326 goto detach; 327 } 328 ucom_set_pnpinfo_usb(&sc->sc_super_ucom, dev); 329 330 /* start interrupt pipe */ 331 mtx_lock(&sc->sc_mtx); 332 usbd_transfer_start(sc->sc_xfer[UVSCOM_INTR_DT_RD]); 333 mtx_unlock(&sc->sc_mtx); 334 335 return (0); 336 337detach: 338 uvscom_detach(dev); 339 return (ENXIO); 340} 341 342static int 343uvscom_detach(device_t dev) 344{ 345 struct uvscom_softc *sc = device_get_softc(dev); 346 347 DPRINTF("sc=%p\n", sc); 348 349 /* stop interrupt pipe */ 350 351 if (sc->sc_xfer[UVSCOM_INTR_DT_RD]) 352 usbd_transfer_stop(sc->sc_xfer[UVSCOM_INTR_DT_RD]); 353 354 ucom_detach(&sc->sc_super_ucom, &sc->sc_ucom); 355 usbd_transfer_unsetup(sc->sc_xfer, UVSCOM_N_TRANSFER); 356 357 device_claim_softc(dev); 358 359 uvscom_free_softc(sc); 360 361 return (0); 362} 363 364UCOM_UNLOAD_DRAIN(uvscom); 365 366static void 367uvscom_free_softc(struct uvscom_softc *sc) 368{ 369 if (ucom_unref(&sc->sc_super_ucom)) { 370 mtx_destroy(&sc->sc_mtx); 371 device_free_softc(sc); 372 } 373} 374 375static void 376uvscom_free(struct ucom_softc *ucom) 377{ 378 uvscom_free_softc(ucom->sc_parent); 379} 380 381static void 382uvscom_write_callback(struct usb_xfer *xfer, usb_error_t error) 383{ 384 struct uvscom_softc *sc = usbd_xfer_softc(xfer); 385 struct usb_page_cache *pc; 386 uint32_t actlen; 387 388 switch (USB_GET_STATE(xfer)) { 389 case USB_ST_SETUP: 390 case USB_ST_TRANSFERRED: 391tr_setup: 392 pc = usbd_xfer_get_frame(xfer, 0); 393 if (ucom_get_data(&sc->sc_ucom, pc, 0, 394 UVSCOM_BULK_BUF_SIZE, &actlen)) { 395 396 usbd_xfer_set_frame_len(xfer, 0, actlen); 397 usbd_transfer_submit(xfer); 398 } 399 return; 400 401 default: /* Error */ 402 if (error != USB_ERR_CANCELLED) { 403 /* try to clear stall first */ 404 usbd_xfer_set_stall(xfer); 405 goto tr_setup; 406 } 407 return; 408 } 409} 410 411static void 412uvscom_read_callback(struct usb_xfer *xfer, usb_error_t error) 413{ 414 struct uvscom_softc *sc = usbd_xfer_softc(xfer); 415 struct usb_page_cache *pc; 416 int actlen; 417 418 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 419 420 switch (USB_GET_STATE(xfer)) { 421 case USB_ST_TRANSFERRED: 422 pc = usbd_xfer_get_frame(xfer, 0); 423 ucom_put_data(&sc->sc_ucom, pc, 0, actlen); 424 425 case USB_ST_SETUP: 426tr_setup: 427 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 428 usbd_transfer_submit(xfer); 429 return; 430 431 default: /* Error */ 432 if (error != USB_ERR_CANCELLED) { 433 /* try to clear stall first */ 434 usbd_xfer_set_stall(xfer); 435 goto tr_setup; 436 } 437 return; 438 } 439} 440 441static void 442uvscom_intr_callback(struct usb_xfer *xfer, usb_error_t error) 443{ 444 struct uvscom_softc *sc = usbd_xfer_softc(xfer); 445 struct usb_page_cache *pc; 446 uint8_t buf[2]; 447 int actlen; 448 449 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 450 451 switch (USB_GET_STATE(xfer)) { 452 case USB_ST_TRANSFERRED: 453 if (actlen >= 2) { 454 455 pc = usbd_xfer_get_frame(xfer, 0); 456 usbd_copy_out(pc, 0, buf, sizeof(buf)); 457 458 sc->sc_lsr = 0; 459 sc->sc_msr = 0; 460 sc->sc_unit_status = buf[1]; 461 462 if (buf[0] & UVSCOM_TXRDY) { 463 sc->sc_lsr |= ULSR_TXRDY; 464 } 465 if (buf[0] & UVSCOM_RXRDY) { 466 sc->sc_lsr |= ULSR_RXRDY; 467 } 468 if (buf[1] & UVSCOM_CTS) { 469 sc->sc_msr |= SER_CTS; 470 } 471 if (buf[1] & UVSCOM_DSR) { 472 sc->sc_msr |= SER_DSR; 473 } 474 if (buf[1] & UVSCOM_DCD) { 475 sc->sc_msr |= SER_DCD; 476 } 477 /* 478 * the UCOM layer will ignore this call if the TTY 479 * device is closed! 480 */ 481 ucom_status_change(&sc->sc_ucom); 482 } 483 case USB_ST_SETUP: 484tr_setup: 485 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 486 usbd_transfer_submit(xfer); 487 return; 488 489 default: /* Error */ 490 if (error != USB_ERR_CANCELLED) { 491 /* try to clear stall first */ 492 usbd_xfer_set_stall(xfer); 493 goto tr_setup; 494 } 495 return; 496 } 497} 498 499static void 500uvscom_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff) 501{ 502 struct uvscom_softc *sc = ucom->sc_parent; 503 504 DPRINTF("onoff = %d\n", onoff); 505 506 if (onoff) 507 sc->sc_line |= UVSCOM_DTR; 508 else 509 sc->sc_line &= ~UVSCOM_DTR; 510 511 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line); 512} 513 514static void 515uvscom_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff) 516{ 517 struct uvscom_softc *sc = ucom->sc_parent; 518 519 DPRINTF("onoff = %d\n", onoff); 520 521 if (onoff) 522 sc->sc_line |= UVSCOM_RTS; 523 else 524 sc->sc_line &= ~UVSCOM_RTS; 525 526 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line); 527} 528 529static void 530uvscom_cfg_set_break(struct ucom_softc *ucom, uint8_t onoff) 531{ 532 struct uvscom_softc *sc = ucom->sc_parent; 533 534 DPRINTF("onoff = %d\n", onoff); 535 536 if (onoff) 537 sc->sc_line |= UVSCOM_BREAK; 538 else 539 sc->sc_line &= ~UVSCOM_BREAK; 540 541 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line); 542} 543 544static int 545uvscom_pre_param(struct ucom_softc *ucom, struct termios *t) 546{ 547 switch (t->c_ospeed) { 548 case B150: 549 case B300: 550 case B600: 551 case B1200: 552 case B2400: 553 case B4800: 554 case B9600: 555 case B19200: 556 case B38400: 557 case B57600: 558 case B115200: 559 default: 560 return (EINVAL); 561 } 562 return (0); 563} 564 565static void 566uvscom_cfg_param(struct ucom_softc *ucom, struct termios *t) 567{ 568 struct uvscom_softc *sc = ucom->sc_parent; 569 uint16_t value; 570 571 DPRINTF("\n"); 572 573 switch (t->c_ospeed) { 574 case B150: 575 value = UVSCOM_SPEED_150BPS; 576 break; 577 case B300: 578 value = UVSCOM_SPEED_300BPS; 579 break; 580 case B600: 581 value = UVSCOM_SPEED_600BPS; 582 break; 583 case B1200: 584 value = UVSCOM_SPEED_1200BPS; 585 break; 586 case B2400: 587 value = UVSCOM_SPEED_2400BPS; 588 break; 589 case B4800: 590 value = UVSCOM_SPEED_4800BPS; 591 break; 592 case B9600: 593 value = UVSCOM_SPEED_9600BPS; 594 break; 595 case B19200: 596 value = UVSCOM_SPEED_19200BPS; 597 break; 598 case B38400: 599 value = UVSCOM_SPEED_38400BPS; 600 break; 601 case B57600: 602 value = UVSCOM_SPEED_57600BPS; 603 break; 604 case B115200: 605 value = UVSCOM_SPEED_115200BPS; 606 break; 607 default: 608 return; 609 } 610 611 uvscom_cfg_write(sc, UVSCOM_SET_SPEED, value); 612 613 value = 0; 614 615 if (t->c_cflag & CSTOPB) { 616 value |= UVSCOM_STOP_BIT_2; 617 } 618 if (t->c_cflag & PARENB) { 619 if (t->c_cflag & PARODD) { 620 value |= UVSCOM_PARITY_ODD; 621 } else { 622 value |= UVSCOM_PARITY_EVEN; 623 } 624 } else { 625 value |= UVSCOM_PARITY_NONE; 626 } 627 628 switch (t->c_cflag & CSIZE) { 629 case CS5: 630 value |= UVSCOM_DATA_BIT_5; 631 break; 632 case CS6: 633 value |= UVSCOM_DATA_BIT_6; 634 break; 635 case CS7: 636 value |= UVSCOM_DATA_BIT_7; 637 break; 638 default: 639 case CS8: 640 value |= UVSCOM_DATA_BIT_8; 641 break; 642 } 643 644 uvscom_cfg_write(sc, UVSCOM_SET_PARAM, value); 645} 646 647static int 648uvscom_pre_open(struct ucom_softc *ucom) 649{ 650 struct uvscom_softc *sc = ucom->sc_parent; 651 652 DPRINTF("sc = %p\n", sc); 653 654 /* check if PC card was inserted */ 655 656 if (sc->sc_unit_status & UVSCOM_NOCARD) { 657 DPRINTF("no PC card!\n"); 658 return (ENXIO); 659 } 660 return (0); 661} 662 663static void 664uvscom_cfg_open(struct ucom_softc *ucom) 665{ 666 struct uvscom_softc *sc = ucom->sc_parent; 667 668 DPRINTF("sc = %p\n", sc); 669 670 uvscom_cfg_read_status(sc); 671} 672 673static void 674uvscom_cfg_close(struct ucom_softc *ucom) 675{ 676 struct uvscom_softc *sc = ucom->sc_parent; 677 678 DPRINTF("sc=%p\n", sc); 679 680 uvscom_cfg_write(sc, UVSCOM_SHUTDOWN, 0); 681} 682 683static void 684uvscom_start_read(struct ucom_softc *ucom) 685{ 686 struct uvscom_softc *sc = ucom->sc_parent; 687 688 usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_RD]); 689} 690 691static void 692uvscom_stop_read(struct ucom_softc *ucom) 693{ 694 struct uvscom_softc *sc = ucom->sc_parent; 695 696 usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_RD]); 697} 698 699static void 700uvscom_start_write(struct ucom_softc *ucom) 701{ 702 struct uvscom_softc *sc = ucom->sc_parent; 703 704 usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_WR]); 705} 706 707static void 708uvscom_stop_write(struct ucom_softc *ucom) 709{ 710 struct uvscom_softc *sc = ucom->sc_parent; 711 712 usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_WR]); 713} 714 715static void 716uvscom_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr) 717{ 718 struct uvscom_softc *sc = ucom->sc_parent; 719 720 *lsr = sc->sc_lsr; 721 *msr = sc->sc_msr; 722} 723 724static void 725uvscom_cfg_write(struct uvscom_softc *sc, uint8_t index, uint16_t value) 726{ 727 struct usb_device_request req; 728 usb_error_t err; 729 730 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 731 req.bRequest = index; 732 USETW(req.wValue, value); 733 USETW(req.wIndex, 0); 734 USETW(req.wLength, 0); 735 736 err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 737 &req, NULL, 0, 1000); 738 if (err) { 739 DPRINTFN(0, "device request failed, err=%s " 740 "(ignored)\n", usbd_errstr(err)); 741 } 742} 743 744static uint16_t 745uvscom_cfg_read_status(struct uvscom_softc *sc) 746{ 747 struct usb_device_request req; 748 usb_error_t err; 749 uint8_t data[2]; 750 751 req.bmRequestType = UT_READ_VENDOR_DEVICE; 752 req.bRequest = UVSCOM_READ_STATUS; 753 USETW(req.wValue, 0); 754 USETW(req.wIndex, 0); 755 USETW(req.wLength, 2); 756 757 err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 758 &req, data, 0, 1000); 759 if (err) { 760 DPRINTFN(0, "device request failed, err=%s " 761 "(ignored)\n", usbd_errstr(err)); 762 } 763 return (data[0] | (data[1] << 8)); 764} 765 766static void 767uvscom_poll(struct ucom_softc *ucom) 768{ 769 struct uvscom_softc *sc = ucom->sc_parent; 770 usbd_transfer_poll(sc->sc_xfer, UVSCOM_N_TRANSFER); 771} 772