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 | 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] = { 195 196 [UVSCOM_BULK_DT_WR] = { 197 .type = UE_BULK, 198 .endpoint = UE_ADDR_ANY, 199 .direction = UE_DIR_OUT, 200 .bufsize = UVSCOM_BULK_BUF_SIZE, 201 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 202 .callback = &uvscom_write_callback, 203 }, 204 205 [UVSCOM_BULK_DT_RD] = { 206 .type = UE_BULK, 207 .endpoint = UE_ADDR_ANY, 208 .direction = UE_DIR_IN, 209 .bufsize = UVSCOM_BULK_BUF_SIZE, 210 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 211 .callback = &uvscom_read_callback, 212 }, 213 214 [UVSCOM_INTR_DT_RD] = { 215 .type = UE_INTERRUPT, 216 .endpoint = UE_ADDR_ANY, 217 .direction = UE_DIR_IN, 218 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 219 .bufsize = 0, /* use wMaxPacketSize */ 220 .callback = &uvscom_intr_callback, 221 }, 222 }; 223 224 static const struct ucom_callback uvscom_callback = { 225 .ucom_cfg_get_status = &uvscom_cfg_get_status, 226 .ucom_cfg_set_dtr = &uvscom_cfg_set_dtr, 227 .ucom_cfg_set_rts = &uvscom_cfg_set_rts, 228 .ucom_cfg_set_break = &uvscom_cfg_set_break, 229 .ucom_cfg_param = &uvscom_cfg_param, 230 .ucom_cfg_open = &uvscom_cfg_open, 231 .ucom_cfg_close = &uvscom_cfg_close, 232 .ucom_pre_open = &uvscom_pre_open, 233 .ucom_pre_param = &uvscom_pre_param, 234 .ucom_start_read = &uvscom_start_read, 235 .ucom_stop_read = &uvscom_stop_read, 236 .ucom_start_write = &uvscom_start_write, 237 .ucom_stop_write = &uvscom_stop_write, 238 .ucom_poll = &uvscom_poll, 239 .ucom_free = &uvscom_free, 240 }; 241 242 static const STRUCT_USB_HOST_ID uvscom_devs[] = { 243 /* SUNTAC U-Cable type A4 */ 244 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_AS144L4, 0)}, 245 /* SUNTAC U-Cable type D2 */ 246 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_DS96L, 0)}, 247 /* SUNTAC Ir-Trinity */ 248 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_IS96U, 0)}, 249 /* SUNTAC U-Cable type P1 */ 250 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_PS64P1, 0)}, 251 /* SUNTAC Slipper U */ 252 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_VS10U, 0)}, 253 }; 254 255 static device_method_t uvscom_methods[] = { 256 DEVMETHOD(device_probe, uvscom_probe), 257 DEVMETHOD(device_attach, uvscom_attach), 258 DEVMETHOD(device_detach, uvscom_detach), 259 DEVMETHOD_END 260 }; 261 262 static devclass_t uvscom_devclass; 263 264 static driver_t uvscom_driver = { 265 .name = "uvscom", 266 .methods = uvscom_methods, 267 .size = sizeof(struct uvscom_softc), 268 }; 269 270 DRIVER_MODULE(uvscom, uhub, uvscom_driver, uvscom_devclass, NULL, 0); 271 MODULE_DEPEND(uvscom, ucom, 1, 1, 1); 272 MODULE_DEPEND(uvscom, usb, 1, 1, 1); 273 MODULE_VERSION(uvscom, UVSCOM_MODVER); 274 USB_PNP_HOST_INFO(uvscom_devs); 275 276 static int 277 uvscom_probe(device_t dev) 278 { 279 struct usb_attach_arg *uaa = device_get_ivars(dev); 280 281 if (uaa->usb_mode != USB_MODE_HOST) { 282 return (ENXIO); 283 } 284 if (uaa->info.bConfigIndex != UVSCOM_CONFIG_INDEX) { 285 return (ENXIO); 286 } 287 if (uaa->info.bIfaceIndex != UVSCOM_IFACE_INDEX) { 288 return (ENXIO); 289 } 290 return (usbd_lookup_id_by_uaa(uvscom_devs, sizeof(uvscom_devs), uaa)); 291 } 292 293 static int 294 uvscom_attach(device_t dev) 295 { 296 struct usb_attach_arg *uaa = device_get_ivars(dev); 297 struct uvscom_softc *sc = device_get_softc(dev); 298 int error; 299 300 device_set_usb_desc(dev); 301 mtx_init(&sc->sc_mtx, "uvscom", NULL, MTX_DEF); 302 ucom_ref(&sc->sc_super_ucom); 303 304 sc->sc_udev = uaa->device; 305 306 DPRINTF("sc=%p\n", sc); 307 308 sc->sc_iface_no = uaa->info.bIfaceNum; 309 sc->sc_iface_index = UVSCOM_IFACE_INDEX; 310 311 error = usbd_transfer_setup(uaa->device, &sc->sc_iface_index, 312 sc->sc_xfer, uvscom_config, UVSCOM_N_TRANSFER, sc, &sc->sc_mtx); 313 314 if (error) { 315 DPRINTF("could not allocate all USB transfers!\n"); 316 goto detach; 317 } 318 sc->sc_line = UVSCOM_LINE_INIT; 319 320 /* clear stall at first run */ 321 mtx_lock(&sc->sc_mtx); 322 usbd_xfer_set_stall(sc->sc_xfer[UVSCOM_BULK_DT_WR]); 323 usbd_xfer_set_stall(sc->sc_xfer[UVSCOM_BULK_DT_RD]); 324 mtx_unlock(&sc->sc_mtx); 325 326 error = ucom_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc, 327 &uvscom_callback, &sc->sc_mtx); 328 if (error) { 329 goto detach; 330 } 331 ucom_set_pnpinfo_usb(&sc->sc_super_ucom, dev); 332 333 /* start interrupt pipe */ 334 mtx_lock(&sc->sc_mtx); 335 usbd_transfer_start(sc->sc_xfer[UVSCOM_INTR_DT_RD]); 336 mtx_unlock(&sc->sc_mtx); 337 338 return (0); 339 340 detach: 341 uvscom_detach(dev); 342 return (ENXIO); 343 } 344 345 static int 346 uvscom_detach(device_t dev) 347 { 348 struct uvscom_softc *sc = device_get_softc(dev); 349 350 DPRINTF("sc=%p\n", sc); 351 352 /* stop interrupt pipe */ 353 354 if (sc->sc_xfer[UVSCOM_INTR_DT_RD]) 355 usbd_transfer_stop(sc->sc_xfer[UVSCOM_INTR_DT_RD]); 356 357 ucom_detach(&sc->sc_super_ucom, &sc->sc_ucom); 358 usbd_transfer_unsetup(sc->sc_xfer, UVSCOM_N_TRANSFER); 359 360 device_claim_softc(dev); 361 362 uvscom_free_softc(sc); 363 364 return (0); 365 } 366 367 UCOM_UNLOAD_DRAIN(uvscom); 368 369 static void 370 uvscom_free_softc(struct uvscom_softc *sc) 371 { 372 if (ucom_unref(&sc->sc_super_ucom)) { 373 mtx_destroy(&sc->sc_mtx); 374 device_free_softc(sc); 375 } 376 } 377 378 static void 379 uvscom_free(struct ucom_softc *ucom) 380 { 381 uvscom_free_softc(ucom->sc_parent); 382 } 383 384 static void 385 uvscom_write_callback(struct usb_xfer *xfer, usb_error_t error) 386 { 387 struct uvscom_softc *sc = usbd_xfer_softc(xfer); 388 struct usb_page_cache *pc; 389 uint32_t actlen; 390 391 switch (USB_GET_STATE(xfer)) { 392 case USB_ST_SETUP: 393 case USB_ST_TRANSFERRED: 394 tr_setup: 395 pc = usbd_xfer_get_frame(xfer, 0); 396 if (ucom_get_data(&sc->sc_ucom, pc, 0, 397 UVSCOM_BULK_BUF_SIZE, &actlen)) { 398 399 usbd_xfer_set_frame_len(xfer, 0, actlen); 400 usbd_transfer_submit(xfer); 401 } 402 return; 403 404 default: /* Error */ 405 if (error != USB_ERR_CANCELLED) { 406 /* try to clear stall first */ 407 usbd_xfer_set_stall(xfer); 408 goto tr_setup; 409 } 410 return; 411 } 412 } 413 414 static void 415 uvscom_read_callback(struct usb_xfer *xfer, usb_error_t error) 416 { 417 struct uvscom_softc *sc = usbd_xfer_softc(xfer); 418 struct usb_page_cache *pc; 419 int actlen; 420 421 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 422 423 switch (USB_GET_STATE(xfer)) { 424 case USB_ST_TRANSFERRED: 425 pc = usbd_xfer_get_frame(xfer, 0); 426 ucom_put_data(&sc->sc_ucom, pc, 0, actlen); 427 428 case USB_ST_SETUP: 429 tr_setup: 430 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 431 usbd_transfer_submit(xfer); 432 return; 433 434 default: /* Error */ 435 if (error != USB_ERR_CANCELLED) { 436 /* try to clear stall first */ 437 usbd_xfer_set_stall(xfer); 438 goto tr_setup; 439 } 440 return; 441 } 442 } 443 444 static void 445 uvscom_intr_callback(struct usb_xfer *xfer, usb_error_t error) 446 { 447 struct uvscom_softc *sc = usbd_xfer_softc(xfer); 448 struct usb_page_cache *pc; 449 uint8_t buf[2]; 450 int actlen; 451 452 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 453 454 switch (USB_GET_STATE(xfer)) { 455 case USB_ST_TRANSFERRED: 456 if (actlen >= 2) { 457 458 pc = usbd_xfer_get_frame(xfer, 0); 459 usbd_copy_out(pc, 0, buf, sizeof(buf)); 460 461 sc->sc_lsr = 0; 462 sc->sc_msr = 0; 463 sc->sc_unit_status = buf[1]; 464 465 if (buf[0] & UVSCOM_TXRDY) { 466 sc->sc_lsr |= ULSR_TXRDY; 467 } 468 if (buf[0] & UVSCOM_RXRDY) { 469 sc->sc_lsr |= ULSR_RXRDY; 470 } 471 if (buf[1] & UVSCOM_CTS) { 472 sc->sc_msr |= SER_CTS; 473 } 474 if (buf[1] & UVSCOM_DSR) { 475 sc->sc_msr |= SER_DSR; 476 } 477 if (buf[1] & UVSCOM_DCD) { 478 sc->sc_msr |= SER_DCD; 479 } 480 /* 481 * the UCOM layer will ignore this call if the TTY 482 * device is closed! 483 */ 484 ucom_status_change(&sc->sc_ucom); 485 } 486 case USB_ST_SETUP: 487 tr_setup: 488 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 489 usbd_transfer_submit(xfer); 490 return; 491 492 default: /* Error */ 493 if (error != USB_ERR_CANCELLED) { 494 /* try to clear stall first */ 495 usbd_xfer_set_stall(xfer); 496 goto tr_setup; 497 } 498 return; 499 } 500 } 501 502 static void 503 uvscom_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff) 504 { 505 struct uvscom_softc *sc = ucom->sc_parent; 506 507 DPRINTF("onoff = %d\n", onoff); 508 509 if (onoff) 510 sc->sc_line |= UVSCOM_DTR; 511 else 512 sc->sc_line &= ~UVSCOM_DTR; 513 514 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line); 515 } 516 517 static void 518 uvscom_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff) 519 { 520 struct uvscom_softc *sc = ucom->sc_parent; 521 522 DPRINTF("onoff = %d\n", onoff); 523 524 if (onoff) 525 sc->sc_line |= UVSCOM_RTS; 526 else 527 sc->sc_line &= ~UVSCOM_RTS; 528 529 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line); 530 } 531 532 static void 533 uvscom_cfg_set_break(struct ucom_softc *ucom, uint8_t onoff) 534 { 535 struct uvscom_softc *sc = ucom->sc_parent; 536 537 DPRINTF("onoff = %d\n", onoff); 538 539 if (onoff) 540 sc->sc_line |= UVSCOM_BREAK; 541 else 542 sc->sc_line &= ~UVSCOM_BREAK; 543 544 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line); 545 } 546 547 static int 548 uvscom_pre_param(struct ucom_softc *ucom, struct termios *t) 549 { 550 switch (t->c_ospeed) { 551 case B150: 552 case B300: 553 case B600: 554 case B1200: 555 case B2400: 556 case B4800: 557 case B9600: 558 case B19200: 559 case B38400: 560 case B57600: 561 case B115200: 562 default: 563 return (EINVAL); 564 } 565 return (0); 566 } 567 568 static void 569 uvscom_cfg_param(struct ucom_softc *ucom, struct termios *t) 570 { 571 struct uvscom_softc *sc = ucom->sc_parent; 572 uint16_t value; 573 574 DPRINTF("\n"); 575 576 switch (t->c_ospeed) { 577 case B150: 578 value = UVSCOM_SPEED_150BPS; 579 break; 580 case B300: 581 value = UVSCOM_SPEED_300BPS; 582 break; 583 case B600: 584 value = UVSCOM_SPEED_600BPS; 585 break; 586 case B1200: 587 value = UVSCOM_SPEED_1200BPS; 588 break; 589 case B2400: 590 value = UVSCOM_SPEED_2400BPS; 591 break; 592 case B4800: 593 value = UVSCOM_SPEED_4800BPS; 594 break; 595 case B9600: 596 value = UVSCOM_SPEED_9600BPS; 597 break; 598 case B19200: 599 value = UVSCOM_SPEED_19200BPS; 600 break; 601 case B38400: 602 value = UVSCOM_SPEED_38400BPS; 603 break; 604 case B57600: 605 value = UVSCOM_SPEED_57600BPS; 606 break; 607 case B115200: 608 value = UVSCOM_SPEED_115200BPS; 609 break; 610 default: 611 return; 612 } 613 614 uvscom_cfg_write(sc, UVSCOM_SET_SPEED, value); 615 616 value = 0; 617 618 if (t->c_cflag & CSTOPB) { 619 value |= UVSCOM_STOP_BIT_2; 620 } 621 if (t->c_cflag & PARENB) { 622 if (t->c_cflag & PARODD) { 623 value |= UVSCOM_PARITY_ODD; 624 } else { 625 value |= UVSCOM_PARITY_EVEN; 626 } 627 } else { 628 value |= UVSCOM_PARITY_NONE; 629 } 630 631 switch (t->c_cflag & CSIZE) { 632 case CS5: 633 value |= UVSCOM_DATA_BIT_5; 634 break; 635 case CS6: 636 value |= UVSCOM_DATA_BIT_6; 637 break; 638 case CS7: 639 value |= UVSCOM_DATA_BIT_7; 640 break; 641 default: 642 case CS8: 643 value |= UVSCOM_DATA_BIT_8; 644 break; 645 } 646 647 uvscom_cfg_write(sc, UVSCOM_SET_PARAM, value); 648 } 649 650 static int 651 uvscom_pre_open(struct ucom_softc *ucom) 652 { 653 struct uvscom_softc *sc = ucom->sc_parent; 654 655 DPRINTF("sc = %p\n", sc); 656 657 /* check if PC card was inserted */ 658 659 if (sc->sc_unit_status & UVSCOM_NOCARD) { 660 DPRINTF("no PC card!\n"); 661 return (ENXIO); 662 } 663 return (0); 664 } 665 666 static void 667 uvscom_cfg_open(struct ucom_softc *ucom) 668 { 669 struct uvscom_softc *sc = ucom->sc_parent; 670 671 DPRINTF("sc = %p\n", sc); 672 673 uvscom_cfg_read_status(sc); 674 } 675 676 static void 677 uvscom_cfg_close(struct ucom_softc *ucom) 678 { 679 struct uvscom_softc *sc = ucom->sc_parent; 680 681 DPRINTF("sc=%p\n", sc); 682 683 uvscom_cfg_write(sc, UVSCOM_SHUTDOWN, 0); 684 } 685 686 static void 687 uvscom_start_read(struct ucom_softc *ucom) 688 { 689 struct uvscom_softc *sc = ucom->sc_parent; 690 691 usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_RD]); 692 } 693 694 static void 695 uvscom_stop_read(struct ucom_softc *ucom) 696 { 697 struct uvscom_softc *sc = ucom->sc_parent; 698 699 usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_RD]); 700 } 701 702 static void 703 uvscom_start_write(struct ucom_softc *ucom) 704 { 705 struct uvscom_softc *sc = ucom->sc_parent; 706 707 usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_WR]); 708 } 709 710 static void 711 uvscom_stop_write(struct ucom_softc *ucom) 712 { 713 struct uvscom_softc *sc = ucom->sc_parent; 714 715 usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_WR]); 716 } 717 718 static void 719 uvscom_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr) 720 { 721 struct uvscom_softc *sc = ucom->sc_parent; 722 723 *lsr = sc->sc_lsr; 724 *msr = sc->sc_msr; 725 } 726 727 static void 728 uvscom_cfg_write(struct uvscom_softc *sc, uint8_t index, uint16_t value) 729 { 730 struct usb_device_request req; 731 usb_error_t err; 732 733 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 734 req.bRequest = index; 735 USETW(req.wValue, value); 736 USETW(req.wIndex, 0); 737 USETW(req.wLength, 0); 738 739 err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 740 &req, NULL, 0, 1000); 741 if (err) { 742 DPRINTFN(0, "device request failed, err=%s " 743 "(ignored)\n", usbd_errstr(err)); 744 } 745 } 746 747 static uint16_t 748 uvscom_cfg_read_status(struct uvscom_softc *sc) 749 { 750 struct usb_device_request req; 751 usb_error_t err; 752 uint8_t data[2]; 753 754 req.bmRequestType = UT_READ_VENDOR_DEVICE; 755 req.bRequest = UVSCOM_READ_STATUS; 756 USETW(req.wValue, 0); 757 USETW(req.wIndex, 0); 758 USETW(req.wLength, 2); 759 760 err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 761 &req, data, 0, 1000); 762 if (err) { 763 DPRINTFN(0, "device request failed, err=%s " 764 "(ignored)\n", usbd_errstr(err)); 765 } 766 return (data[0] | (data[1] << 8)); 767 } 768 769 static void 770 uvscom_poll(struct ucom_softc *ucom) 771 { 772 struct uvscom_softc *sc = ucom->sc_parent; 773 usbd_transfer_poll(sc->sc_xfer, UVSCOM_N_TRANSFER); 774 } 775