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 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 | CTLFLAG_MPSAFE, 0, 76 "USB uvscom"); 77 SYSCTL_INT(_hw_usb_uvscom, OID_AUTO, debug, CTLFLAG_RWTUN, 78 &uvscom_debug, 0, "Debug level"); 79 #endif 80 81 #define UVSCOM_MODVER 1 /* module version */ 82 83 #define UVSCOM_CONFIG_INDEX 0 84 #define UVSCOM_IFACE_INDEX 0 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 #define UVSCOM_PARITY_ODD 0x08 126 #define UVSCOM_PARITY_NONE 0x00 127 128 /* Status bits */ 129 #define UVSCOM_TXRDY 0x04 130 #define UVSCOM_RXRDY 0x01 131 132 #define UVSCOM_DCD 0x08 133 #define UVSCOM_NOCARD 0x04 134 #define UVSCOM_DSR 0x02 135 #define UVSCOM_CTS 0x01 136 #define UVSCOM_USTAT_MASK (UVSCOM_NOCARD | UVSCOM_DSR | UVSCOM_CTS) 137 138 #define UVSCOM_BULK_BUF_SIZE 1024 /* bytes */ 139 140 enum { 141 UVSCOM_BULK_DT_WR, 142 UVSCOM_BULK_DT_RD, 143 UVSCOM_INTR_DT_RD, 144 UVSCOM_N_TRANSFER, 145 }; 146 147 struct uvscom_softc { 148 struct ucom_super_softc sc_super_ucom; 149 struct ucom_softc sc_ucom; 150 151 struct usb_xfer *sc_xfer[UVSCOM_N_TRANSFER]; 152 struct usb_device *sc_udev; 153 struct mtx sc_mtx; 154 155 uint16_t sc_line; /* line control register */ 156 157 uint8_t sc_iface_no; /* interface number */ 158 uint8_t sc_iface_index; /* interface index */ 159 uint8_t sc_lsr; /* local status register */ 160 uint8_t sc_msr; /* uvscom status register */ 161 uint8_t sc_unit_status; /* unit status */ 162 }; 163 164 /* prototypes */ 165 166 static device_probe_t uvscom_probe; 167 static device_attach_t uvscom_attach; 168 static device_detach_t uvscom_detach; 169 static void uvscom_free_softc(struct uvscom_softc *); 170 171 static usb_callback_t uvscom_write_callback; 172 static usb_callback_t uvscom_read_callback; 173 static usb_callback_t uvscom_intr_callback; 174 175 static void uvscom_free(struct ucom_softc *); 176 static void uvscom_cfg_set_dtr(struct ucom_softc *, uint8_t); 177 static void uvscom_cfg_set_rts(struct ucom_softc *, uint8_t); 178 static void uvscom_cfg_set_break(struct ucom_softc *, uint8_t); 179 static int uvscom_pre_param(struct ucom_softc *, struct termios *); 180 static void uvscom_cfg_param(struct ucom_softc *, struct termios *); 181 static int uvscom_pre_open(struct ucom_softc *); 182 static void uvscom_cfg_open(struct ucom_softc *); 183 static void uvscom_cfg_close(struct ucom_softc *); 184 static void uvscom_start_read(struct ucom_softc *); 185 static void uvscom_stop_read(struct ucom_softc *); 186 static void uvscom_start_write(struct ucom_softc *); 187 static void uvscom_stop_write(struct ucom_softc *); 188 static void uvscom_cfg_get_status(struct ucom_softc *, uint8_t *, 189 uint8_t *); 190 static void uvscom_cfg_write(struct uvscom_softc *, uint8_t, uint16_t); 191 static uint16_t uvscom_cfg_read_status(struct uvscom_softc *); 192 static void uvscom_poll(struct ucom_softc *ucom); 193 194 static const struct usb_config uvscom_config[UVSCOM_N_TRANSFER] = { 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 driver_t uvscom_driver = { 262 .name = "uvscom", 263 .methods = uvscom_methods, 264 .size = sizeof(struct uvscom_softc), 265 }; 266 267 DRIVER_MODULE(uvscom, uhub, uvscom_driver, NULL, NULL); 268 MODULE_DEPEND(uvscom, ucom, 1, 1, 1); 269 MODULE_DEPEND(uvscom, usb, 1, 1, 1); 270 MODULE_VERSION(uvscom, UVSCOM_MODVER); 271 USB_PNP_HOST_INFO(uvscom_devs); 272 273 static int 274 uvscom_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 } 289 290 static int 291 uvscom_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); 336 337 detach: 338 uvscom_detach(dev); 339 return (ENXIO); 340 } 341 342 static int 343 uvscom_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 } 363 364 UCOM_UNLOAD_DRAIN(uvscom); 365 366 static void 367 uvscom_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 } 374 375 static void 376 uvscom_free(struct ucom_softc *ucom) 377 { 378 uvscom_free_softc(ucom->sc_parent); 379 } 380 381 static void 382 uvscom_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: 391 tr_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 usbd_xfer_set_frame_len(xfer, 0, actlen); 396 usbd_transfer_submit(xfer); 397 } 398 return; 399 400 default: /* Error */ 401 if (error != USB_ERR_CANCELLED) { 402 /* try to clear stall first */ 403 usbd_xfer_set_stall(xfer); 404 goto tr_setup; 405 } 406 return; 407 } 408 } 409 410 static void 411 uvscom_read_callback(struct usb_xfer *xfer, usb_error_t error) 412 { 413 struct uvscom_softc *sc = usbd_xfer_softc(xfer); 414 struct usb_page_cache *pc; 415 int actlen; 416 417 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 418 419 switch (USB_GET_STATE(xfer)) { 420 case USB_ST_TRANSFERRED: 421 pc = usbd_xfer_get_frame(xfer, 0); 422 ucom_put_data(&sc->sc_ucom, pc, 0, actlen); 423 424 case USB_ST_SETUP: 425 tr_setup: 426 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 427 usbd_transfer_submit(xfer); 428 return; 429 430 default: /* Error */ 431 if (error != USB_ERR_CANCELLED) { 432 /* try to clear stall first */ 433 usbd_xfer_set_stall(xfer); 434 goto tr_setup; 435 } 436 return; 437 } 438 } 439 440 static void 441 uvscom_intr_callback(struct usb_xfer *xfer, usb_error_t error) 442 { 443 struct uvscom_softc *sc = usbd_xfer_softc(xfer); 444 struct usb_page_cache *pc; 445 uint8_t buf[2]; 446 int actlen; 447 448 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 449 450 switch (USB_GET_STATE(xfer)) { 451 case USB_ST_TRANSFERRED: 452 if (actlen >= 2) { 453 pc = usbd_xfer_get_frame(xfer, 0); 454 usbd_copy_out(pc, 0, buf, sizeof(buf)); 455 456 sc->sc_lsr = 0; 457 sc->sc_msr = 0; 458 sc->sc_unit_status = buf[1]; 459 460 if (buf[0] & UVSCOM_TXRDY) { 461 sc->sc_lsr |= ULSR_TXRDY; 462 } 463 if (buf[0] & UVSCOM_RXRDY) { 464 sc->sc_lsr |= ULSR_RXRDY; 465 } 466 if (buf[1] & UVSCOM_CTS) { 467 sc->sc_msr |= SER_CTS; 468 } 469 if (buf[1] & UVSCOM_DSR) { 470 sc->sc_msr |= SER_DSR; 471 } 472 if (buf[1] & UVSCOM_DCD) { 473 sc->sc_msr |= SER_DCD; 474 } 475 /* 476 * the UCOM layer will ignore this call if the TTY 477 * device is closed! 478 */ 479 ucom_status_change(&sc->sc_ucom); 480 } 481 case USB_ST_SETUP: 482 tr_setup: 483 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 484 usbd_transfer_submit(xfer); 485 return; 486 487 default: /* Error */ 488 if (error != USB_ERR_CANCELLED) { 489 /* try to clear stall first */ 490 usbd_xfer_set_stall(xfer); 491 goto tr_setup; 492 } 493 return; 494 } 495 } 496 497 static void 498 uvscom_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff) 499 { 500 struct uvscom_softc *sc = ucom->sc_parent; 501 502 DPRINTF("onoff = %d\n", onoff); 503 504 if (onoff) 505 sc->sc_line |= UVSCOM_DTR; 506 else 507 sc->sc_line &= ~UVSCOM_DTR; 508 509 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line); 510 } 511 512 static void 513 uvscom_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff) 514 { 515 struct uvscom_softc *sc = ucom->sc_parent; 516 517 DPRINTF("onoff = %d\n", onoff); 518 519 if (onoff) 520 sc->sc_line |= UVSCOM_RTS; 521 else 522 sc->sc_line &= ~UVSCOM_RTS; 523 524 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line); 525 } 526 527 static void 528 uvscom_cfg_set_break(struct ucom_softc *ucom, uint8_t onoff) 529 { 530 struct uvscom_softc *sc = ucom->sc_parent; 531 532 DPRINTF("onoff = %d\n", onoff); 533 534 if (onoff) 535 sc->sc_line |= UVSCOM_BREAK; 536 else 537 sc->sc_line &= ~UVSCOM_BREAK; 538 539 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line); 540 } 541 542 static int 543 uvscom_pre_param(struct ucom_softc *ucom, struct termios *t) 544 { 545 switch (t->c_ospeed) { 546 case B150: 547 case B300: 548 case B600: 549 case B1200: 550 case B2400: 551 case B4800: 552 case B9600: 553 case B19200: 554 case B38400: 555 case B57600: 556 case B115200: 557 default: 558 return (EINVAL); 559 } 560 return (0); 561 } 562 563 static void 564 uvscom_cfg_param(struct ucom_softc *ucom, struct termios *t) 565 { 566 struct uvscom_softc *sc = ucom->sc_parent; 567 uint16_t value; 568 569 DPRINTF("\n"); 570 571 switch (t->c_ospeed) { 572 case B150: 573 value = UVSCOM_SPEED_150BPS; 574 break; 575 case B300: 576 value = UVSCOM_SPEED_300BPS; 577 break; 578 case B600: 579 value = UVSCOM_SPEED_600BPS; 580 break; 581 case B1200: 582 value = UVSCOM_SPEED_1200BPS; 583 break; 584 case B2400: 585 value = UVSCOM_SPEED_2400BPS; 586 break; 587 case B4800: 588 value = UVSCOM_SPEED_4800BPS; 589 break; 590 case B9600: 591 value = UVSCOM_SPEED_9600BPS; 592 break; 593 case B19200: 594 value = UVSCOM_SPEED_19200BPS; 595 break; 596 case B38400: 597 value = UVSCOM_SPEED_38400BPS; 598 break; 599 case B57600: 600 value = UVSCOM_SPEED_57600BPS; 601 break; 602 case B115200: 603 value = UVSCOM_SPEED_115200BPS; 604 break; 605 default: 606 return; 607 } 608 609 uvscom_cfg_write(sc, UVSCOM_SET_SPEED, value); 610 611 value = 0; 612 613 if (t->c_cflag & CSTOPB) { 614 value |= UVSCOM_STOP_BIT_2; 615 } 616 if (t->c_cflag & PARENB) { 617 if (t->c_cflag & PARODD) { 618 value |= UVSCOM_PARITY_ODD; 619 } else { 620 value |= UVSCOM_PARITY_EVEN; 621 } 622 } else { 623 value |= UVSCOM_PARITY_NONE; 624 } 625 626 switch (t->c_cflag & CSIZE) { 627 case CS5: 628 value |= UVSCOM_DATA_BIT_5; 629 break; 630 case CS6: 631 value |= UVSCOM_DATA_BIT_6; 632 break; 633 case CS7: 634 value |= UVSCOM_DATA_BIT_7; 635 break; 636 default: 637 case CS8: 638 value |= UVSCOM_DATA_BIT_8; 639 break; 640 } 641 642 uvscom_cfg_write(sc, UVSCOM_SET_PARAM, value); 643 } 644 645 static int 646 uvscom_pre_open(struct ucom_softc *ucom) 647 { 648 struct uvscom_softc *sc = ucom->sc_parent; 649 650 DPRINTF("sc = %p\n", sc); 651 652 /* check if PC card was inserted */ 653 654 if (sc->sc_unit_status & UVSCOM_NOCARD) { 655 DPRINTF("no PC card!\n"); 656 return (ENXIO); 657 } 658 return (0); 659 } 660 661 static void 662 uvscom_cfg_open(struct ucom_softc *ucom) 663 { 664 struct uvscom_softc *sc = ucom->sc_parent; 665 666 DPRINTF("sc = %p\n", sc); 667 668 uvscom_cfg_read_status(sc); 669 } 670 671 static void 672 uvscom_cfg_close(struct ucom_softc *ucom) 673 { 674 struct uvscom_softc *sc = ucom->sc_parent; 675 676 DPRINTF("sc=%p\n", sc); 677 678 uvscom_cfg_write(sc, UVSCOM_SHUTDOWN, 0); 679 } 680 681 static void 682 uvscom_start_read(struct ucom_softc *ucom) 683 { 684 struct uvscom_softc *sc = ucom->sc_parent; 685 686 usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_RD]); 687 } 688 689 static void 690 uvscom_stop_read(struct ucom_softc *ucom) 691 { 692 struct uvscom_softc *sc = ucom->sc_parent; 693 694 usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_RD]); 695 } 696 697 static void 698 uvscom_start_write(struct ucom_softc *ucom) 699 { 700 struct uvscom_softc *sc = ucom->sc_parent; 701 702 usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_WR]); 703 } 704 705 static void 706 uvscom_stop_write(struct ucom_softc *ucom) 707 { 708 struct uvscom_softc *sc = ucom->sc_parent; 709 710 usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_WR]); 711 } 712 713 static void 714 uvscom_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr) 715 { 716 struct uvscom_softc *sc = ucom->sc_parent; 717 718 *lsr = sc->sc_lsr; 719 *msr = sc->sc_msr; 720 } 721 722 static void 723 uvscom_cfg_write(struct uvscom_softc *sc, uint8_t index, uint16_t value) 724 { 725 struct usb_device_request req; 726 usb_error_t err; 727 728 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 729 req.bRequest = index; 730 USETW(req.wValue, value); 731 USETW(req.wIndex, 0); 732 USETW(req.wLength, 0); 733 734 err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 735 &req, NULL, 0, 1000); 736 if (err) { 737 DPRINTFN(0, "device request failed, err=%s " 738 "(ignored)\n", usbd_errstr(err)); 739 } 740 } 741 742 static uint16_t 743 uvscom_cfg_read_status(struct uvscom_softc *sc) 744 { 745 struct usb_device_request req; 746 usb_error_t err; 747 uint8_t data[2]; 748 749 req.bmRequestType = UT_READ_VENDOR_DEVICE; 750 req.bRequest = UVSCOM_READ_STATUS; 751 USETW(req.wValue, 0); 752 USETW(req.wIndex, 0); 753 USETW(req.wLength, 2); 754 755 err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 756 &req, data, 0, 1000); 757 if (err) { 758 DPRINTFN(0, "device request failed, err=%s " 759 "(ignored)\n", usbd_errstr(err)); 760 } 761 return (data[0] | (data[1] << 8)); 762 } 763 764 static void 765 uvscom_poll(struct ucom_softc *ucom) 766 { 767 struct uvscom_softc *sc = ucom->sc_parent; 768 usbd_transfer_poll(sc->sc_xfer, UVSCOM_N_TRANSFER); 769 } 770