1 /* $NetBSD: usb/uvscom.c,v 1.1 2002/03/19 15:08:42 augustss Exp $ */ 2 3 #include <sys/cdefs.h> 4 __FBSDID("$FreeBSD$"); 5 6 /*- 7 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 8 * 9 * Copyright (c) 2001-2003, 2005 Shunsuke Akiyama <akiyama@jp.FreeBSD.org>. 10 * All rights reserved. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 */ 34 35 /* 36 * uvscom: SUNTAC Slipper U VS-10U driver. 37 * Slipper U is a PC Card to USB converter for data communication card 38 * adapter. It supports DDI Pocket's Air H" C@rd, C@rd H" 64, NTT's P-in, 39 * P-in m@ater and various data communication card adapters. 40 */ 41 42 #include <sys/stdint.h> 43 #include <sys/stddef.h> 44 #include <sys/param.h> 45 #include <sys/queue.h> 46 #include <sys/types.h> 47 #include <sys/systm.h> 48 #include <sys/kernel.h> 49 #include <sys/bus.h> 50 #include <sys/module.h> 51 #include <sys/lock.h> 52 #include <sys/mutex.h> 53 #include <sys/condvar.h> 54 #include <sys/sysctl.h> 55 #include <sys/sx.h> 56 #include <sys/unistd.h> 57 #include <sys/callout.h> 58 #include <sys/malloc.h> 59 #include <sys/priv.h> 60 61 #include <dev/usb/usb.h> 62 #include <dev/usb/usbdi.h> 63 #include <dev/usb/usbdi_util.h> 64 #include "usbdevs.h" 65 66 #define USB_DEBUG_VAR uvscom_debug 67 #include <dev/usb/usb_debug.h> 68 #include <dev/usb/usb_process.h> 69 70 #include <dev/usb/serial/usb_serial.h> 71 72 #ifdef USB_DEBUG 73 static int uvscom_debug = 0; 74 75 static SYSCTL_NODE(_hw_usb, OID_AUTO, uvscom, CTLFLAG_RW, 0, "USB uvscom"); 76 SYSCTL_INT(_hw_usb_uvscom, OID_AUTO, debug, CTLFLAG_RWTUN, 77 &uvscom_debug, 0, "Debug level"); 78 #endif 79 80 #define UVSCOM_MODVER 1 /* module version */ 81 82 #define UVSCOM_CONFIG_INDEX 0 83 #define UVSCOM_IFACE_INDEX 0 84 85 /* Request */ 86 #define UVSCOM_SET_SPEED 0x10 87 #define UVSCOM_LINE_CTL 0x11 88 #define UVSCOM_SET_PARAM 0x12 89 #define UVSCOM_READ_STATUS 0xd0 90 #define UVSCOM_SHUTDOWN 0xe0 91 92 /* UVSCOM_SET_SPEED parameters */ 93 #define UVSCOM_SPEED_150BPS 0x00 94 #define UVSCOM_SPEED_300BPS 0x01 95 #define UVSCOM_SPEED_600BPS 0x02 96 #define UVSCOM_SPEED_1200BPS 0x03 97 #define UVSCOM_SPEED_2400BPS 0x04 98 #define UVSCOM_SPEED_4800BPS 0x05 99 #define UVSCOM_SPEED_9600BPS 0x06 100 #define UVSCOM_SPEED_19200BPS 0x07 101 #define UVSCOM_SPEED_38400BPS 0x08 102 #define UVSCOM_SPEED_57600BPS 0x09 103 #define UVSCOM_SPEED_115200BPS 0x0a 104 105 /* UVSCOM_LINE_CTL parameters */ 106 #define UVSCOM_BREAK 0x40 107 #define UVSCOM_RTS 0x02 108 #define UVSCOM_DTR 0x01 109 #define UVSCOM_LINE_INIT 0x08 110 111 /* UVSCOM_SET_PARAM parameters */ 112 #define UVSCOM_DATA_MASK 0x03 113 #define UVSCOM_DATA_BIT_8 0x03 114 #define UVSCOM_DATA_BIT_7 0x02 115 #define UVSCOM_DATA_BIT_6 0x01 116 #define UVSCOM_DATA_BIT_5 0x00 117 118 #define UVSCOM_STOP_MASK 0x04 119 #define UVSCOM_STOP_BIT_2 0x04 120 #define UVSCOM_STOP_BIT_1 0x00 121 122 #define UVSCOM_PARITY_MASK 0x18 123 #define UVSCOM_PARITY_EVEN 0x18 124 #define UVSCOM_PARITY_ODD 0x08 125 #define UVSCOM_PARITY_NONE 0x00 126 127 /* Status bits */ 128 #define UVSCOM_TXRDY 0x04 129 #define UVSCOM_RXRDY 0x01 130 131 #define UVSCOM_DCD 0x08 132 #define UVSCOM_NOCARD 0x04 133 #define UVSCOM_DSR 0x02 134 #define UVSCOM_CTS 0x01 135 #define UVSCOM_USTAT_MASK (UVSCOM_NOCARD | UVSCOM_DSR | UVSCOM_CTS) 136 137 #define UVSCOM_BULK_BUF_SIZE 1024 /* bytes */ 138 139 enum { 140 UVSCOM_BULK_DT_WR, 141 UVSCOM_BULK_DT_RD, 142 UVSCOM_INTR_DT_RD, 143 UVSCOM_N_TRANSFER, 144 }; 145 146 struct uvscom_softc { 147 struct ucom_super_softc sc_super_ucom; 148 struct ucom_softc sc_ucom; 149 150 struct usb_xfer *sc_xfer[UVSCOM_N_TRANSFER]; 151 struct usb_device *sc_udev; 152 struct mtx sc_mtx; 153 154 uint16_t sc_line; /* line control register */ 155 156 uint8_t sc_iface_no; /* interface number */ 157 uint8_t sc_iface_index; /* interface index */ 158 uint8_t sc_lsr; /* local status register */ 159 uint8_t sc_msr; /* uvscom status register */ 160 uint8_t sc_unit_status; /* unit status */ 161 }; 162 163 /* prototypes */ 164 165 static device_probe_t uvscom_probe; 166 static device_attach_t uvscom_attach; 167 static device_detach_t uvscom_detach; 168 static void uvscom_free_softc(struct uvscom_softc *); 169 170 static usb_callback_t uvscom_write_callback; 171 static usb_callback_t uvscom_read_callback; 172 static usb_callback_t uvscom_intr_callback; 173 174 static void uvscom_free(struct ucom_softc *); 175 static void uvscom_cfg_set_dtr(struct ucom_softc *, uint8_t); 176 static void uvscom_cfg_set_rts(struct ucom_softc *, uint8_t); 177 static void uvscom_cfg_set_break(struct ucom_softc *, uint8_t); 178 static int uvscom_pre_param(struct ucom_softc *, struct termios *); 179 static void uvscom_cfg_param(struct ucom_softc *, struct termios *); 180 static int uvscom_pre_open(struct ucom_softc *); 181 static void uvscom_cfg_open(struct ucom_softc *); 182 static void uvscom_cfg_close(struct ucom_softc *); 183 static void uvscom_start_read(struct ucom_softc *); 184 static void uvscom_stop_read(struct ucom_softc *); 185 static void uvscom_start_write(struct ucom_softc *); 186 static void uvscom_stop_write(struct ucom_softc *); 187 static void uvscom_cfg_get_status(struct ucom_softc *, uint8_t *, 188 uint8_t *); 189 static void uvscom_cfg_write(struct uvscom_softc *, uint8_t, uint16_t); 190 static uint16_t uvscom_cfg_read_status(struct uvscom_softc *); 191 static void uvscom_poll(struct ucom_softc *ucom); 192 193 static const struct usb_config uvscom_config[UVSCOM_N_TRANSFER] = { 194 195 [UVSCOM_BULK_DT_WR] = { 196 .type = UE_BULK, 197 .endpoint = UE_ADDR_ANY, 198 .direction = UE_DIR_OUT, 199 .bufsize = UVSCOM_BULK_BUF_SIZE, 200 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 201 .callback = &uvscom_write_callback, 202 }, 203 204 [UVSCOM_BULK_DT_RD] = { 205 .type = UE_BULK, 206 .endpoint = UE_ADDR_ANY, 207 .direction = UE_DIR_IN, 208 .bufsize = UVSCOM_BULK_BUF_SIZE, 209 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 210 .callback = &uvscom_read_callback, 211 }, 212 213 [UVSCOM_INTR_DT_RD] = { 214 .type = UE_INTERRUPT, 215 .endpoint = UE_ADDR_ANY, 216 .direction = UE_DIR_IN, 217 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 218 .bufsize = 0, /* use wMaxPacketSize */ 219 .callback = &uvscom_intr_callback, 220 }, 221 }; 222 223 static const struct ucom_callback uvscom_callback = { 224 .ucom_cfg_get_status = &uvscom_cfg_get_status, 225 .ucom_cfg_set_dtr = &uvscom_cfg_set_dtr, 226 .ucom_cfg_set_rts = &uvscom_cfg_set_rts, 227 .ucom_cfg_set_break = &uvscom_cfg_set_break, 228 .ucom_cfg_param = &uvscom_cfg_param, 229 .ucom_cfg_open = &uvscom_cfg_open, 230 .ucom_cfg_close = &uvscom_cfg_close, 231 .ucom_pre_open = &uvscom_pre_open, 232 .ucom_pre_param = &uvscom_pre_param, 233 .ucom_start_read = &uvscom_start_read, 234 .ucom_stop_read = &uvscom_stop_read, 235 .ucom_start_write = &uvscom_start_write, 236 .ucom_stop_write = &uvscom_stop_write, 237 .ucom_poll = &uvscom_poll, 238 .ucom_free = &uvscom_free, 239 }; 240 241 static const STRUCT_USB_HOST_ID uvscom_devs[] = { 242 /* SUNTAC U-Cable type A4 */ 243 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_AS144L4, 0)}, 244 /* SUNTAC U-Cable type D2 */ 245 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_DS96L, 0)}, 246 /* SUNTAC Ir-Trinity */ 247 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_IS96U, 0)}, 248 /* SUNTAC U-Cable type P1 */ 249 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_PS64P1, 0)}, 250 /* SUNTAC Slipper U */ 251 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_VS10U, 0)}, 252 }; 253 254 static device_method_t uvscom_methods[] = { 255 DEVMETHOD(device_probe, uvscom_probe), 256 DEVMETHOD(device_attach, uvscom_attach), 257 DEVMETHOD(device_detach, uvscom_detach), 258 DEVMETHOD_END 259 }; 260 261 static devclass_t uvscom_devclass; 262 263 static driver_t uvscom_driver = { 264 .name = "uvscom", 265 .methods = uvscom_methods, 266 .size = sizeof(struct uvscom_softc), 267 }; 268 269 DRIVER_MODULE(uvscom, uhub, uvscom_driver, uvscom_devclass, NULL, 0); 270 MODULE_DEPEND(uvscom, ucom, 1, 1, 1); 271 MODULE_DEPEND(uvscom, usb, 1, 1, 1); 272 MODULE_VERSION(uvscom, UVSCOM_MODVER); 273 USB_PNP_HOST_INFO(uvscom_devs); 274 275 static int 276 uvscom_probe(device_t dev) 277 { 278 struct usb_attach_arg *uaa = device_get_ivars(dev); 279 280 if (uaa->usb_mode != USB_MODE_HOST) { 281 return (ENXIO); 282 } 283 if (uaa->info.bConfigIndex != UVSCOM_CONFIG_INDEX) { 284 return (ENXIO); 285 } 286 if (uaa->info.bIfaceIndex != UVSCOM_IFACE_INDEX) { 287 return (ENXIO); 288 } 289 return (usbd_lookup_id_by_uaa(uvscom_devs, sizeof(uvscom_devs), uaa)); 290 } 291 292 static int 293 uvscom_attach(device_t dev) 294 { 295 struct usb_attach_arg *uaa = device_get_ivars(dev); 296 struct uvscom_softc *sc = device_get_softc(dev); 297 int error; 298 299 device_set_usb_desc(dev); 300 mtx_init(&sc->sc_mtx, "uvscom", NULL, MTX_DEF); 301 ucom_ref(&sc->sc_super_ucom); 302 303 sc->sc_udev = uaa->device; 304 305 DPRINTF("sc=%p\n", sc); 306 307 sc->sc_iface_no = uaa->info.bIfaceNum; 308 sc->sc_iface_index = UVSCOM_IFACE_INDEX; 309 310 error = usbd_transfer_setup(uaa->device, &sc->sc_iface_index, 311 sc->sc_xfer, uvscom_config, UVSCOM_N_TRANSFER, sc, &sc->sc_mtx); 312 313 if (error) { 314 DPRINTF("could not allocate all USB transfers!\n"); 315 goto detach; 316 } 317 sc->sc_line = UVSCOM_LINE_INIT; 318 319 /* clear stall at first run */ 320 mtx_lock(&sc->sc_mtx); 321 usbd_xfer_set_stall(sc->sc_xfer[UVSCOM_BULK_DT_WR]); 322 usbd_xfer_set_stall(sc->sc_xfer[UVSCOM_BULK_DT_RD]); 323 mtx_unlock(&sc->sc_mtx); 324 325 error = ucom_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc, 326 &uvscom_callback, &sc->sc_mtx); 327 if (error) { 328 goto detach; 329 } 330 ucom_set_pnpinfo_usb(&sc->sc_super_ucom, dev); 331 332 /* start interrupt pipe */ 333 mtx_lock(&sc->sc_mtx); 334 usbd_transfer_start(sc->sc_xfer[UVSCOM_INTR_DT_RD]); 335 mtx_unlock(&sc->sc_mtx); 336 337 return (0); 338 339 detach: 340 uvscom_detach(dev); 341 return (ENXIO); 342 } 343 344 static int 345 uvscom_detach(device_t dev) 346 { 347 struct uvscom_softc *sc = device_get_softc(dev); 348 349 DPRINTF("sc=%p\n", sc); 350 351 /* stop interrupt pipe */ 352 353 if (sc->sc_xfer[UVSCOM_INTR_DT_RD]) 354 usbd_transfer_stop(sc->sc_xfer[UVSCOM_INTR_DT_RD]); 355 356 ucom_detach(&sc->sc_super_ucom, &sc->sc_ucom); 357 usbd_transfer_unsetup(sc->sc_xfer, UVSCOM_N_TRANSFER); 358 359 device_claim_softc(dev); 360 361 uvscom_free_softc(sc); 362 363 return (0); 364 } 365 366 UCOM_UNLOAD_DRAIN(uvscom); 367 368 static void 369 uvscom_free_softc(struct uvscom_softc *sc) 370 { 371 if (ucom_unref(&sc->sc_super_ucom)) { 372 mtx_destroy(&sc->sc_mtx); 373 device_free_softc(sc); 374 } 375 } 376 377 static void 378 uvscom_free(struct ucom_softc *ucom) 379 { 380 uvscom_free_softc(ucom->sc_parent); 381 } 382 383 static void 384 uvscom_write_callback(struct usb_xfer *xfer, usb_error_t error) 385 { 386 struct uvscom_softc *sc = usbd_xfer_softc(xfer); 387 struct usb_page_cache *pc; 388 uint32_t actlen; 389 390 switch (USB_GET_STATE(xfer)) { 391 case USB_ST_SETUP: 392 case USB_ST_TRANSFERRED: 393 tr_setup: 394 pc = usbd_xfer_get_frame(xfer, 0); 395 if (ucom_get_data(&sc->sc_ucom, pc, 0, 396 UVSCOM_BULK_BUF_SIZE, &actlen)) { 397 398 usbd_xfer_set_frame_len(xfer, 0, actlen); 399 usbd_transfer_submit(xfer); 400 } 401 return; 402 403 default: /* Error */ 404 if (error != USB_ERR_CANCELLED) { 405 /* try to clear stall first */ 406 usbd_xfer_set_stall(xfer); 407 goto tr_setup; 408 } 409 return; 410 } 411 } 412 413 static void 414 uvscom_read_callback(struct usb_xfer *xfer, usb_error_t error) 415 { 416 struct uvscom_softc *sc = usbd_xfer_softc(xfer); 417 struct usb_page_cache *pc; 418 int actlen; 419 420 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 421 422 switch (USB_GET_STATE(xfer)) { 423 case USB_ST_TRANSFERRED: 424 pc = usbd_xfer_get_frame(xfer, 0); 425 ucom_put_data(&sc->sc_ucom, pc, 0, actlen); 426 427 case USB_ST_SETUP: 428 tr_setup: 429 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 430 usbd_transfer_submit(xfer); 431 return; 432 433 default: /* Error */ 434 if (error != USB_ERR_CANCELLED) { 435 /* try to clear stall first */ 436 usbd_xfer_set_stall(xfer); 437 goto tr_setup; 438 } 439 return; 440 } 441 } 442 443 static void 444 uvscom_intr_callback(struct usb_xfer *xfer, usb_error_t error) 445 { 446 struct uvscom_softc *sc = usbd_xfer_softc(xfer); 447 struct usb_page_cache *pc; 448 uint8_t buf[2]; 449 int actlen; 450 451 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 452 453 switch (USB_GET_STATE(xfer)) { 454 case USB_ST_TRANSFERRED: 455 if (actlen >= 2) { 456 457 pc = usbd_xfer_get_frame(xfer, 0); 458 usbd_copy_out(pc, 0, buf, sizeof(buf)); 459 460 sc->sc_lsr = 0; 461 sc->sc_msr = 0; 462 sc->sc_unit_status = buf[1]; 463 464 if (buf[0] & UVSCOM_TXRDY) { 465 sc->sc_lsr |= ULSR_TXRDY; 466 } 467 if (buf[0] & UVSCOM_RXRDY) { 468 sc->sc_lsr |= ULSR_RXRDY; 469 } 470 if (buf[1] & UVSCOM_CTS) { 471 sc->sc_msr |= SER_CTS; 472 } 473 if (buf[1] & UVSCOM_DSR) { 474 sc->sc_msr |= SER_DSR; 475 } 476 if (buf[1] & UVSCOM_DCD) { 477 sc->sc_msr |= SER_DCD; 478 } 479 /* 480 * the UCOM layer will ignore this call if the TTY 481 * device is closed! 482 */ 483 ucom_status_change(&sc->sc_ucom); 484 } 485 case USB_ST_SETUP: 486 tr_setup: 487 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 488 usbd_transfer_submit(xfer); 489 return; 490 491 default: /* Error */ 492 if (error != USB_ERR_CANCELLED) { 493 /* try to clear stall first */ 494 usbd_xfer_set_stall(xfer); 495 goto tr_setup; 496 } 497 return; 498 } 499 } 500 501 static void 502 uvscom_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff) 503 { 504 struct uvscom_softc *sc = ucom->sc_parent; 505 506 DPRINTF("onoff = %d\n", onoff); 507 508 if (onoff) 509 sc->sc_line |= UVSCOM_DTR; 510 else 511 sc->sc_line &= ~UVSCOM_DTR; 512 513 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line); 514 } 515 516 static void 517 uvscom_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff) 518 { 519 struct uvscom_softc *sc = ucom->sc_parent; 520 521 DPRINTF("onoff = %d\n", onoff); 522 523 if (onoff) 524 sc->sc_line |= UVSCOM_RTS; 525 else 526 sc->sc_line &= ~UVSCOM_RTS; 527 528 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line); 529 } 530 531 static void 532 uvscom_cfg_set_break(struct ucom_softc *ucom, uint8_t onoff) 533 { 534 struct uvscom_softc *sc = ucom->sc_parent; 535 536 DPRINTF("onoff = %d\n", onoff); 537 538 if (onoff) 539 sc->sc_line |= UVSCOM_BREAK; 540 else 541 sc->sc_line &= ~UVSCOM_BREAK; 542 543 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line); 544 } 545 546 static int 547 uvscom_pre_param(struct ucom_softc *ucom, struct termios *t) 548 { 549 switch (t->c_ospeed) { 550 case B150: 551 case B300: 552 case B600: 553 case B1200: 554 case B2400: 555 case B4800: 556 case B9600: 557 case B19200: 558 case B38400: 559 case B57600: 560 case B115200: 561 default: 562 return (EINVAL); 563 } 564 return (0); 565 } 566 567 static void 568 uvscom_cfg_param(struct ucom_softc *ucom, struct termios *t) 569 { 570 struct uvscom_softc *sc = ucom->sc_parent; 571 uint16_t value; 572 573 DPRINTF("\n"); 574 575 switch (t->c_ospeed) { 576 case B150: 577 value = UVSCOM_SPEED_150BPS; 578 break; 579 case B300: 580 value = UVSCOM_SPEED_300BPS; 581 break; 582 case B600: 583 value = UVSCOM_SPEED_600BPS; 584 break; 585 case B1200: 586 value = UVSCOM_SPEED_1200BPS; 587 break; 588 case B2400: 589 value = UVSCOM_SPEED_2400BPS; 590 break; 591 case B4800: 592 value = UVSCOM_SPEED_4800BPS; 593 break; 594 case B9600: 595 value = UVSCOM_SPEED_9600BPS; 596 break; 597 case B19200: 598 value = UVSCOM_SPEED_19200BPS; 599 break; 600 case B38400: 601 value = UVSCOM_SPEED_38400BPS; 602 break; 603 case B57600: 604 value = UVSCOM_SPEED_57600BPS; 605 break; 606 case B115200: 607 value = UVSCOM_SPEED_115200BPS; 608 break; 609 default: 610 return; 611 } 612 613 uvscom_cfg_write(sc, UVSCOM_SET_SPEED, value); 614 615 value = 0; 616 617 if (t->c_cflag & CSTOPB) { 618 value |= UVSCOM_STOP_BIT_2; 619 } 620 if (t->c_cflag & PARENB) { 621 if (t->c_cflag & PARODD) { 622 value |= UVSCOM_PARITY_ODD; 623 } else { 624 value |= UVSCOM_PARITY_EVEN; 625 } 626 } else { 627 value |= UVSCOM_PARITY_NONE; 628 } 629 630 switch (t->c_cflag & CSIZE) { 631 case CS5: 632 value |= UVSCOM_DATA_BIT_5; 633 break; 634 case CS6: 635 value |= UVSCOM_DATA_BIT_6; 636 break; 637 case CS7: 638 value |= UVSCOM_DATA_BIT_7; 639 break; 640 default: 641 case CS8: 642 value |= UVSCOM_DATA_BIT_8; 643 break; 644 } 645 646 uvscom_cfg_write(sc, UVSCOM_SET_PARAM, value); 647 } 648 649 static int 650 uvscom_pre_open(struct ucom_softc *ucom) 651 { 652 struct uvscom_softc *sc = ucom->sc_parent; 653 654 DPRINTF("sc = %p\n", sc); 655 656 /* check if PC card was inserted */ 657 658 if (sc->sc_unit_status & UVSCOM_NOCARD) { 659 DPRINTF("no PC card!\n"); 660 return (ENXIO); 661 } 662 return (0); 663 } 664 665 static void 666 uvscom_cfg_open(struct ucom_softc *ucom) 667 { 668 struct uvscom_softc *sc = ucom->sc_parent; 669 670 DPRINTF("sc = %p\n", sc); 671 672 uvscom_cfg_read_status(sc); 673 } 674 675 static void 676 uvscom_cfg_close(struct ucom_softc *ucom) 677 { 678 struct uvscom_softc *sc = ucom->sc_parent; 679 680 DPRINTF("sc=%p\n", sc); 681 682 uvscom_cfg_write(sc, UVSCOM_SHUTDOWN, 0); 683 } 684 685 static void 686 uvscom_start_read(struct ucom_softc *ucom) 687 { 688 struct uvscom_softc *sc = ucom->sc_parent; 689 690 usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_RD]); 691 } 692 693 static void 694 uvscom_stop_read(struct ucom_softc *ucom) 695 { 696 struct uvscom_softc *sc = ucom->sc_parent; 697 698 usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_RD]); 699 } 700 701 static void 702 uvscom_start_write(struct ucom_softc *ucom) 703 { 704 struct uvscom_softc *sc = ucom->sc_parent; 705 706 usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_WR]); 707 } 708 709 static void 710 uvscom_stop_write(struct ucom_softc *ucom) 711 { 712 struct uvscom_softc *sc = ucom->sc_parent; 713 714 usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_WR]); 715 } 716 717 static void 718 uvscom_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr) 719 { 720 struct uvscom_softc *sc = ucom->sc_parent; 721 722 *lsr = sc->sc_lsr; 723 *msr = sc->sc_msr; 724 } 725 726 static void 727 uvscom_cfg_write(struct uvscom_softc *sc, uint8_t index, uint16_t value) 728 { 729 struct usb_device_request req; 730 usb_error_t err; 731 732 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 733 req.bRequest = index; 734 USETW(req.wValue, value); 735 USETW(req.wIndex, 0); 736 USETW(req.wLength, 0); 737 738 err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 739 &req, NULL, 0, 1000); 740 if (err) { 741 DPRINTFN(0, "device request failed, err=%s " 742 "(ignored)\n", usbd_errstr(err)); 743 } 744 } 745 746 static uint16_t 747 uvscom_cfg_read_status(struct uvscom_softc *sc) 748 { 749 struct usb_device_request req; 750 usb_error_t err; 751 uint8_t data[2]; 752 753 req.bmRequestType = UT_READ_VENDOR_DEVICE; 754 req.bRequest = UVSCOM_READ_STATUS; 755 USETW(req.wValue, 0); 756 USETW(req.wIndex, 0); 757 USETW(req.wLength, 2); 758 759 err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 760 &req, data, 0, 1000); 761 if (err) { 762 DPRINTFN(0, "device request failed, err=%s " 763 "(ignored)\n", usbd_errstr(err)); 764 } 765 return (data[0] | (data[1] << 8)); 766 } 767 768 static void 769 uvscom_poll(struct ucom_softc *ucom) 770 { 771 struct uvscom_softc *sc = ucom->sc_parent; 772 usbd_transfer_poll(sc->sc_xfer, UVSCOM_N_TRANSFER); 773 } 774