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 * 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 71 static int uvscom_debug = 0; 72 73 static SYSCTL_NODE(_hw_usb, OID_AUTO, uvscom, CTLFLAG_RW, 0, "USB uvscom"); 74 SYSCTL_INT(_hw_usb_uvscom, OID_AUTO, debug, CTLFLAG_RW, 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 */ 136 137 enum { 138 UVSCOM_BULK_DT_WR, 139 UVSCOM_BULK_DT_RD, 140 UVSCOM_INTR_DT_RD, 141 UVSCOM_N_TRANSFER, 142 }; 143 144 struct 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 */ 162 163 static device_probe_t uvscom_probe; 164 static device_attach_t uvscom_attach; 165 static device_detach_t uvscom_detach; 166 static device_free_softc_t uvscom_free_softc; 167 168 static usb_callback_t uvscom_write_callback; 169 static usb_callback_t uvscom_read_callback; 170 static usb_callback_t uvscom_intr_callback; 171 172 static void uvscom_free(struct ucom_softc *); 173 static void uvscom_cfg_set_dtr(struct ucom_softc *, uint8_t); 174 static void uvscom_cfg_set_rts(struct ucom_softc *, uint8_t); 175 static void uvscom_cfg_set_break(struct ucom_softc *, uint8_t); 176 static int uvscom_pre_param(struct ucom_softc *, struct termios *); 177 static void uvscom_cfg_param(struct ucom_softc *, struct termios *); 178 static int uvscom_pre_open(struct ucom_softc *); 179 static void uvscom_cfg_open(struct ucom_softc *); 180 static void uvscom_cfg_close(struct ucom_softc *); 181 static void uvscom_start_read(struct ucom_softc *); 182 static void uvscom_stop_read(struct ucom_softc *); 183 static void uvscom_start_write(struct ucom_softc *); 184 static void uvscom_stop_write(struct ucom_softc *); 185 static void uvscom_cfg_get_status(struct ucom_softc *, uint8_t *, 186 uint8_t *); 187 static void uvscom_cfg_write(struct uvscom_softc *, uint8_t, uint16_t); 188 static uint16_t uvscom_cfg_read_status(struct uvscom_softc *); 189 static void uvscom_poll(struct ucom_softc *ucom); 190 191 static 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 }; 220 221 static 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 }; 238 239 static 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 }; 251 252 static 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(device_free_softc, uvscom_free_softc), 257 DEVMETHOD_END 258 }; 259 260 static devclass_t uvscom_devclass; 261 262 static driver_t uvscom_driver = { 263 .name = "uvscom", 264 .methods = uvscom_methods, 265 .size = sizeof(struct uvscom_softc), 266 }; 267 268 DRIVER_MODULE(uvscom, uhub, uvscom_driver, uvscom_devclass, NULL, 0); 269 MODULE_DEPEND(uvscom, ucom, 1, 1, 1); 270 MODULE_DEPEND(uvscom, usb, 1, 1, 1); 271 MODULE_VERSION(uvscom, UVSCOM_MODVER); 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 return (0); 358 } 359 360 UCOM_UNLOAD_DRAIN(uvscom); 361 362 static void 363 uvscom_free_softc(device_t dev, void *arg) 364 { 365 struct uvscom_softc *sc = arg; 366 367 if (ucom_unref(&sc->sc_super_ucom)) { 368 if (mtx_initialized(&sc->sc_mtx)) 369 mtx_destroy(&sc->sc_mtx); 370 device_free_softc(dev, sc); 371 } 372 } 373 374 static void 375 uvscom_free(struct ucom_softc *ucom) 376 { 377 uvscom_free_softc(NULL, ucom->sc_parent); 378 } 379 380 static void 381 uvscom_write_callback(struct usb_xfer *xfer, usb_error_t error) 382 { 383 struct uvscom_softc *sc = usbd_xfer_softc(xfer); 384 struct usb_page_cache *pc; 385 uint32_t actlen; 386 387 switch (USB_GET_STATE(xfer)) { 388 case USB_ST_SETUP: 389 case USB_ST_TRANSFERRED: 390 tr_setup: 391 pc = usbd_xfer_get_frame(xfer, 0); 392 if (ucom_get_data(&sc->sc_ucom, pc, 0, 393 UVSCOM_BULK_BUF_SIZE, &actlen)) { 394 395 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) { 453 454 pc = usbd_xfer_get_frame(xfer, 0); 455 usbd_copy_out(pc, 0, buf, sizeof(buf)); 456 457 sc->sc_lsr = 0; 458 sc->sc_msr = 0; 459 sc->sc_unit_status = buf[1]; 460 461 if (buf[0] & UVSCOM_TXRDY) { 462 sc->sc_lsr |= ULSR_TXRDY; 463 } 464 if (buf[0] & UVSCOM_RXRDY) { 465 sc->sc_lsr |= ULSR_RXRDY; 466 } 467 if (buf[1] & UVSCOM_CTS) { 468 sc->sc_msr |= SER_CTS; 469 } 470 if (buf[1] & UVSCOM_DSR) { 471 sc->sc_msr |= SER_DSR; 472 } 473 if (buf[1] & UVSCOM_DCD) { 474 sc->sc_msr |= SER_DCD; 475 } 476 /* 477 * the UCOM layer will ignore this call if the TTY 478 * device is closed! 479 */ 480 ucom_status_change(&sc->sc_ucom); 481 } 482 case USB_ST_SETUP: 483 tr_setup: 484 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 485 usbd_transfer_submit(xfer); 486 return; 487 488 default: /* Error */ 489 if (error != USB_ERR_CANCELLED) { 490 /* try to clear stall first */ 491 usbd_xfer_set_stall(xfer); 492 goto tr_setup; 493 } 494 return; 495 } 496 } 497 498 static void 499 uvscom_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff) 500 { 501 struct uvscom_softc *sc = ucom->sc_parent; 502 503 DPRINTF("onoff = %d\n", onoff); 504 505 if (onoff) 506 sc->sc_line |= UVSCOM_DTR; 507 else 508 sc->sc_line &= ~UVSCOM_DTR; 509 510 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line); 511 } 512 513 static void 514 uvscom_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff) 515 { 516 struct uvscom_softc *sc = ucom->sc_parent; 517 518 DPRINTF("onoff = %d\n", onoff); 519 520 if (onoff) 521 sc->sc_line |= UVSCOM_RTS; 522 else 523 sc->sc_line &= ~UVSCOM_RTS; 524 525 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line); 526 } 527 528 static void 529 uvscom_cfg_set_break(struct ucom_softc *ucom, uint8_t onoff) 530 { 531 struct uvscom_softc *sc = ucom->sc_parent; 532 533 DPRINTF("onoff = %d\n", onoff); 534 535 if (onoff) 536 sc->sc_line |= UVSCOM_BREAK; 537 else 538 sc->sc_line &= ~UVSCOM_BREAK; 539 540 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line); 541 } 542 543 static int 544 uvscom_pre_param(struct ucom_softc *ucom, struct termios *t) 545 { 546 switch (t->c_ospeed) { 547 case B150: 548 case B300: 549 case B600: 550 case B1200: 551 case B2400: 552 case B4800: 553 case B9600: 554 case B19200: 555 case B38400: 556 case B57600: 557 case B115200: 558 default: 559 return (EINVAL); 560 } 561 return (0); 562 } 563 564 static void 565 uvscom_cfg_param(struct ucom_softc *ucom, struct termios *t) 566 { 567 struct uvscom_softc *sc = ucom->sc_parent; 568 uint16_t value; 569 570 DPRINTF("\n"); 571 572 switch (t->c_ospeed) { 573 case B150: 574 value = UVSCOM_SPEED_150BPS; 575 break; 576 case B300: 577 value = UVSCOM_SPEED_300BPS; 578 break; 579 case B600: 580 value = UVSCOM_SPEED_600BPS; 581 break; 582 case B1200: 583 value = UVSCOM_SPEED_1200BPS; 584 break; 585 case B2400: 586 value = UVSCOM_SPEED_2400BPS; 587 break; 588 case B4800: 589 value = UVSCOM_SPEED_4800BPS; 590 break; 591 case B9600: 592 value = UVSCOM_SPEED_9600BPS; 593 break; 594 case B19200: 595 value = UVSCOM_SPEED_19200BPS; 596 break; 597 case B38400: 598 value = UVSCOM_SPEED_38400BPS; 599 break; 600 case B57600: 601 value = UVSCOM_SPEED_57600BPS; 602 break; 603 case B115200: 604 value = UVSCOM_SPEED_115200BPS; 605 break; 606 default: 607 return; 608 } 609 610 uvscom_cfg_write(sc, UVSCOM_SET_SPEED, value); 611 612 value = 0; 613 614 if (t->c_cflag & CSTOPB) { 615 value |= UVSCOM_STOP_BIT_2; 616 } 617 if (t->c_cflag & PARENB) { 618 if (t->c_cflag & PARODD) { 619 value |= UVSCOM_PARITY_ODD; 620 } else { 621 value |= UVSCOM_PARITY_EVEN; 622 } 623 } else { 624 value |= UVSCOM_PARITY_NONE; 625 } 626 627 switch (t->c_cflag & CSIZE) { 628 case CS5: 629 value |= UVSCOM_DATA_BIT_5; 630 break; 631 case CS6: 632 value |= UVSCOM_DATA_BIT_6; 633 break; 634 case CS7: 635 value |= UVSCOM_DATA_BIT_7; 636 break; 637 default: 638 case CS8: 639 value |= UVSCOM_DATA_BIT_8; 640 break; 641 } 642 643 uvscom_cfg_write(sc, UVSCOM_SET_PARAM, value); 644 } 645 646 static int 647 uvscom_pre_open(struct ucom_softc *ucom) 648 { 649 struct uvscom_softc *sc = ucom->sc_parent; 650 651 DPRINTF("sc = %p\n", sc); 652 653 /* check if PC card was inserted */ 654 655 if (sc->sc_unit_status & UVSCOM_NOCARD) { 656 DPRINTF("no PC card!\n"); 657 return (ENXIO); 658 } 659 return (0); 660 } 661 662 static void 663 uvscom_cfg_open(struct ucom_softc *ucom) 664 { 665 struct uvscom_softc *sc = ucom->sc_parent; 666 667 DPRINTF("sc = %p\n", sc); 668 669 uvscom_cfg_read_status(sc); 670 } 671 672 static void 673 uvscom_cfg_close(struct ucom_softc *ucom) 674 { 675 struct uvscom_softc *sc = ucom->sc_parent; 676 677 DPRINTF("sc=%p\n", sc); 678 679 uvscom_cfg_write(sc, UVSCOM_SHUTDOWN, 0); 680 } 681 682 static void 683 uvscom_start_read(struct ucom_softc *ucom) 684 { 685 struct uvscom_softc *sc = ucom->sc_parent; 686 687 usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_RD]); 688 } 689 690 static void 691 uvscom_stop_read(struct ucom_softc *ucom) 692 { 693 struct uvscom_softc *sc = ucom->sc_parent; 694 695 usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_RD]); 696 } 697 698 static void 699 uvscom_start_write(struct ucom_softc *ucom) 700 { 701 struct uvscom_softc *sc = ucom->sc_parent; 702 703 usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_WR]); 704 } 705 706 static void 707 uvscom_stop_write(struct ucom_softc *ucom) 708 { 709 struct uvscom_softc *sc = ucom->sc_parent; 710 711 usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_WR]); 712 } 713 714 static void 715 uvscom_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr) 716 { 717 struct uvscom_softc *sc = ucom->sc_parent; 718 719 *lsr = sc->sc_lsr; 720 *msr = sc->sc_msr; 721 } 722 723 static void 724 uvscom_cfg_write(struct uvscom_softc *sc, uint8_t index, uint16_t value) 725 { 726 struct usb_device_request req; 727 usb_error_t err; 728 729 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 730 req.bRequest = index; 731 USETW(req.wValue, value); 732 USETW(req.wIndex, 0); 733 USETW(req.wLength, 0); 734 735 err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 736 &req, NULL, 0, 1000); 737 if (err) { 738 DPRINTFN(0, "device request failed, err=%s " 739 "(ignored)\n", usbd_errstr(err)); 740 } 741 } 742 743 static uint16_t 744 uvscom_cfg_read_status(struct uvscom_softc *sc) 745 { 746 struct usb_device_request req; 747 usb_error_t err; 748 uint8_t data[2]; 749 750 req.bmRequestType = UT_READ_VENDOR_DEVICE; 751 req.bRequest = UVSCOM_READ_STATUS; 752 USETW(req.wValue, 0); 753 USETW(req.wIndex, 0); 754 USETW(req.wLength, 2); 755 756 err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 757 &req, data, 0, 1000); 758 if (err) { 759 DPRINTFN(0, "device request failed, err=%s " 760 "(ignored)\n", usbd_errstr(err)); 761 } 762 return (data[0] | (data[1] << 8)); 763 } 764 765 static void 766 uvscom_poll(struct ucom_softc *ucom) 767 { 768 struct uvscom_softc *sc = ucom->sc_parent; 769 usbd_transfer_poll(sc->sc_xfer, UVSCOM_N_TRANSFER); 770 } 771