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