1 /* $NetBSD: usb/uvscom.c,v 1.1 2002/03/19 15:08:42 augustss Exp $ */ 2 3 #include <sys/cdefs.h> 4 /*- 5 * SPDX-License-Identifier: BSD-2-Clause 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 | CTLFLAG_MPSAFE, 0, 74 "USB uvscom"); 75 SYSCTL_INT(_hw_usb_uvscom, OID_AUTO, debug, CTLFLAG_RWTUN, 76 &uvscom_debug, 0, "Debug level"); 77 #endif 78 79 #define UVSCOM_MODVER 1 /* module version */ 80 81 #define UVSCOM_CONFIG_INDEX 0 82 #define UVSCOM_IFACE_INDEX 0 83 84 /* Request */ 85 #define UVSCOM_SET_SPEED 0x10 86 #define UVSCOM_LINE_CTL 0x11 87 #define UVSCOM_SET_PARAM 0x12 88 #define UVSCOM_READ_STATUS 0xd0 89 #define UVSCOM_SHUTDOWN 0xe0 90 91 /* UVSCOM_SET_SPEED parameters */ 92 #define UVSCOM_SPEED_150BPS 0x00 93 #define UVSCOM_SPEED_300BPS 0x01 94 #define UVSCOM_SPEED_600BPS 0x02 95 #define UVSCOM_SPEED_1200BPS 0x03 96 #define UVSCOM_SPEED_2400BPS 0x04 97 #define UVSCOM_SPEED_4800BPS 0x05 98 #define UVSCOM_SPEED_9600BPS 0x06 99 #define UVSCOM_SPEED_19200BPS 0x07 100 #define UVSCOM_SPEED_38400BPS 0x08 101 #define UVSCOM_SPEED_57600BPS 0x09 102 #define UVSCOM_SPEED_115200BPS 0x0a 103 104 /* UVSCOM_LINE_CTL parameters */ 105 #define UVSCOM_BREAK 0x40 106 #define UVSCOM_RTS 0x02 107 #define UVSCOM_DTR 0x01 108 #define UVSCOM_LINE_INIT 0x08 109 110 /* UVSCOM_SET_PARAM parameters */ 111 #define UVSCOM_DATA_MASK 0x03 112 #define UVSCOM_DATA_BIT_8 0x03 113 #define UVSCOM_DATA_BIT_7 0x02 114 #define UVSCOM_DATA_BIT_6 0x01 115 #define UVSCOM_DATA_BIT_5 0x00 116 117 #define UVSCOM_STOP_MASK 0x04 118 #define UVSCOM_STOP_BIT_2 0x04 119 #define UVSCOM_STOP_BIT_1 0x00 120 121 #define UVSCOM_PARITY_MASK 0x18 122 #define UVSCOM_PARITY_EVEN 0x18 123 #define UVSCOM_PARITY_ODD 0x08 124 #define UVSCOM_PARITY_NONE 0x00 125 126 /* Status bits */ 127 #define UVSCOM_TXRDY 0x04 128 #define UVSCOM_RXRDY 0x01 129 130 #define UVSCOM_DCD 0x08 131 #define UVSCOM_NOCARD 0x04 132 #define UVSCOM_DSR 0x02 133 #define UVSCOM_CTS 0x01 134 #define UVSCOM_USTAT_MASK (UVSCOM_NOCARD | UVSCOM_DSR | UVSCOM_CTS) 135 136 #define UVSCOM_BULK_BUF_SIZE 1024 /* bytes */ 137 138 enum { 139 UVSCOM_BULK_DT_WR, 140 UVSCOM_BULK_DT_RD, 141 UVSCOM_INTR_DT_RD, 142 UVSCOM_N_TRANSFER, 143 }; 144 145 struct uvscom_softc { 146 struct ucom_super_softc sc_super_ucom; 147 struct ucom_softc sc_ucom; 148 149 struct usb_xfer *sc_xfer[UVSCOM_N_TRANSFER]; 150 struct usb_device *sc_udev; 151 struct mtx sc_mtx; 152 153 uint16_t sc_line; /* line control register */ 154 155 uint8_t sc_iface_no; /* interface number */ 156 uint8_t sc_iface_index; /* interface index */ 157 uint8_t sc_lsr; /* local status register */ 158 uint8_t sc_msr; /* uvscom status register */ 159 uint8_t sc_unit_status; /* unit status */ 160 }; 161 162 /* prototypes */ 163 164 static device_probe_t uvscom_probe; 165 static device_attach_t uvscom_attach; 166 static device_detach_t uvscom_detach; 167 static void uvscom_free_softc(struct uvscom_softc *); 168 169 static usb_callback_t uvscom_write_callback; 170 static usb_callback_t uvscom_read_callback; 171 static usb_callback_t uvscom_intr_callback; 172 173 static void uvscom_free(struct ucom_softc *); 174 static void uvscom_cfg_set_dtr(struct ucom_softc *, uint8_t); 175 static void uvscom_cfg_set_rts(struct ucom_softc *, uint8_t); 176 static void uvscom_cfg_set_break(struct ucom_softc *, uint8_t); 177 static int uvscom_pre_param(struct ucom_softc *, struct termios *); 178 static void uvscom_cfg_param(struct ucom_softc *, struct termios *); 179 static int uvscom_pre_open(struct ucom_softc *); 180 static void uvscom_cfg_open(struct ucom_softc *); 181 static void uvscom_cfg_close(struct ucom_softc *); 182 static void uvscom_start_read(struct ucom_softc *); 183 static void uvscom_stop_read(struct ucom_softc *); 184 static void uvscom_start_write(struct ucom_softc *); 185 static void uvscom_stop_write(struct ucom_softc *); 186 static void uvscom_cfg_get_status(struct ucom_softc *, uint8_t *, 187 uint8_t *); 188 static void uvscom_cfg_write(struct uvscom_softc *, uint8_t, uint16_t); 189 static uint16_t uvscom_cfg_read_status(struct uvscom_softc *); 190 static void uvscom_poll(struct ucom_softc *ucom); 191 192 static const struct usb_config uvscom_config[UVSCOM_N_TRANSFER] = { 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_END 257 }; 258 259 static driver_t uvscom_driver = { 260 .name = "uvscom", 261 .methods = uvscom_methods, 262 .size = sizeof(struct uvscom_softc), 263 }; 264 265 DRIVER_MODULE(uvscom, uhub, uvscom_driver, NULL, NULL); 266 MODULE_DEPEND(uvscom, ucom, 1, 1, 1); 267 MODULE_DEPEND(uvscom, usb, 1, 1, 1); 268 MODULE_VERSION(uvscom, UVSCOM_MODVER); 269 USB_PNP_HOST_INFO(uvscom_devs); 270 271 static int 272 uvscom_probe(device_t dev) 273 { 274 struct usb_attach_arg *uaa = device_get_ivars(dev); 275 276 if (uaa->usb_mode != USB_MODE_HOST) { 277 return (ENXIO); 278 } 279 if (uaa->info.bConfigIndex != UVSCOM_CONFIG_INDEX) { 280 return (ENXIO); 281 } 282 if (uaa->info.bIfaceIndex != UVSCOM_IFACE_INDEX) { 283 return (ENXIO); 284 } 285 return (usbd_lookup_id_by_uaa(uvscom_devs, sizeof(uvscom_devs), uaa)); 286 } 287 288 static int 289 uvscom_attach(device_t dev) 290 { 291 struct usb_attach_arg *uaa = device_get_ivars(dev); 292 struct uvscom_softc *sc = device_get_softc(dev); 293 int error; 294 295 device_set_usb_desc(dev); 296 mtx_init(&sc->sc_mtx, "uvscom", NULL, MTX_DEF); 297 ucom_ref(&sc->sc_super_ucom); 298 299 sc->sc_udev = uaa->device; 300 301 DPRINTF("sc=%p\n", sc); 302 303 sc->sc_iface_no = uaa->info.bIfaceNum; 304 sc->sc_iface_index = UVSCOM_IFACE_INDEX; 305 306 error = usbd_transfer_setup(uaa->device, &sc->sc_iface_index, 307 sc->sc_xfer, uvscom_config, UVSCOM_N_TRANSFER, sc, &sc->sc_mtx); 308 309 if (error) { 310 DPRINTF("could not allocate all USB transfers!\n"); 311 goto detach; 312 } 313 sc->sc_line = UVSCOM_LINE_INIT; 314 315 /* clear stall at first run */ 316 mtx_lock(&sc->sc_mtx); 317 usbd_xfer_set_stall(sc->sc_xfer[UVSCOM_BULK_DT_WR]); 318 usbd_xfer_set_stall(sc->sc_xfer[UVSCOM_BULK_DT_RD]); 319 mtx_unlock(&sc->sc_mtx); 320 321 error = ucom_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc, 322 &uvscom_callback, &sc->sc_mtx); 323 if (error) { 324 goto detach; 325 } 326 ucom_set_pnpinfo_usb(&sc->sc_super_ucom, dev); 327 328 /* start interrupt pipe */ 329 mtx_lock(&sc->sc_mtx); 330 usbd_transfer_start(sc->sc_xfer[UVSCOM_INTR_DT_RD]); 331 mtx_unlock(&sc->sc_mtx); 332 333 return (0); 334 335 detach: 336 uvscom_detach(dev); 337 return (ENXIO); 338 } 339 340 static int 341 uvscom_detach(device_t dev) 342 { 343 struct uvscom_softc *sc = device_get_softc(dev); 344 345 DPRINTF("sc=%p\n", sc); 346 347 /* stop interrupt pipe */ 348 349 if (sc->sc_xfer[UVSCOM_INTR_DT_RD]) 350 usbd_transfer_stop(sc->sc_xfer[UVSCOM_INTR_DT_RD]); 351 352 ucom_detach(&sc->sc_super_ucom, &sc->sc_ucom); 353 usbd_transfer_unsetup(sc->sc_xfer, UVSCOM_N_TRANSFER); 354 355 device_claim_softc(dev); 356 357 uvscom_free_softc(sc); 358 359 return (0); 360 } 361 362 UCOM_UNLOAD_DRAIN(uvscom); 363 364 static void 365 uvscom_free_softc(struct uvscom_softc *sc) 366 { 367 if (ucom_unref(&sc->sc_super_ucom)) { 368 mtx_destroy(&sc->sc_mtx); 369 device_free_softc(sc); 370 } 371 } 372 373 static void 374 uvscom_free(struct ucom_softc *ucom) 375 { 376 uvscom_free_softc(ucom->sc_parent); 377 } 378 379 static void 380 uvscom_write_callback(struct usb_xfer *xfer, usb_error_t error) 381 { 382 struct uvscom_softc *sc = usbd_xfer_softc(xfer); 383 struct usb_page_cache *pc; 384 uint32_t actlen; 385 386 switch (USB_GET_STATE(xfer)) { 387 case USB_ST_SETUP: 388 case USB_ST_TRANSFERRED: 389 tr_setup: 390 pc = usbd_xfer_get_frame(xfer, 0); 391 if (ucom_get_data(&sc->sc_ucom, pc, 0, 392 UVSCOM_BULK_BUF_SIZE, &actlen)) { 393 usbd_xfer_set_frame_len(xfer, 0, actlen); 394 usbd_transfer_submit(xfer); 395 } 396 return; 397 398 default: /* Error */ 399 if (error != USB_ERR_CANCELLED) { 400 /* try to clear stall first */ 401 usbd_xfer_set_stall(xfer); 402 goto tr_setup; 403 } 404 return; 405 } 406 } 407 408 static void 409 uvscom_read_callback(struct usb_xfer *xfer, usb_error_t error) 410 { 411 struct uvscom_softc *sc = usbd_xfer_softc(xfer); 412 struct usb_page_cache *pc; 413 int actlen; 414 415 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 416 417 switch (USB_GET_STATE(xfer)) { 418 case USB_ST_TRANSFERRED: 419 pc = usbd_xfer_get_frame(xfer, 0); 420 ucom_put_data(&sc->sc_ucom, pc, 0, actlen); 421 422 case USB_ST_SETUP: 423 tr_setup: 424 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 425 usbd_transfer_submit(xfer); 426 return; 427 428 default: /* Error */ 429 if (error != USB_ERR_CANCELLED) { 430 /* try to clear stall first */ 431 usbd_xfer_set_stall(xfer); 432 goto tr_setup; 433 } 434 return; 435 } 436 } 437 438 static void 439 uvscom_intr_callback(struct usb_xfer *xfer, usb_error_t error) 440 { 441 struct uvscom_softc *sc = usbd_xfer_softc(xfer); 442 struct usb_page_cache *pc; 443 uint8_t buf[2]; 444 int actlen; 445 446 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 447 448 switch (USB_GET_STATE(xfer)) { 449 case USB_ST_TRANSFERRED: 450 if (actlen >= 2) { 451 pc = usbd_xfer_get_frame(xfer, 0); 452 usbd_copy_out(pc, 0, buf, sizeof(buf)); 453 454 sc->sc_lsr = 0; 455 sc->sc_msr = 0; 456 sc->sc_unit_status = buf[1]; 457 458 if (buf[0] & UVSCOM_TXRDY) { 459 sc->sc_lsr |= ULSR_TXRDY; 460 } 461 if (buf[0] & UVSCOM_RXRDY) { 462 sc->sc_lsr |= ULSR_RXRDY; 463 } 464 if (buf[1] & UVSCOM_CTS) { 465 sc->sc_msr |= SER_CTS; 466 } 467 if (buf[1] & UVSCOM_DSR) { 468 sc->sc_msr |= SER_DSR; 469 } 470 if (buf[1] & UVSCOM_DCD) { 471 sc->sc_msr |= SER_DCD; 472 } 473 /* 474 * the UCOM layer will ignore this call if the TTY 475 * device is closed! 476 */ 477 ucom_status_change(&sc->sc_ucom); 478 } 479 case USB_ST_SETUP: 480 tr_setup: 481 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 482 usbd_transfer_submit(xfer); 483 return; 484 485 default: /* Error */ 486 if (error != USB_ERR_CANCELLED) { 487 /* try to clear stall first */ 488 usbd_xfer_set_stall(xfer); 489 goto tr_setup; 490 } 491 return; 492 } 493 } 494 495 static void 496 uvscom_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff) 497 { 498 struct uvscom_softc *sc = ucom->sc_parent; 499 500 DPRINTF("onoff = %d\n", onoff); 501 502 if (onoff) 503 sc->sc_line |= UVSCOM_DTR; 504 else 505 sc->sc_line &= ~UVSCOM_DTR; 506 507 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line); 508 } 509 510 static void 511 uvscom_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff) 512 { 513 struct uvscom_softc *sc = ucom->sc_parent; 514 515 DPRINTF("onoff = %d\n", onoff); 516 517 if (onoff) 518 sc->sc_line |= UVSCOM_RTS; 519 else 520 sc->sc_line &= ~UVSCOM_RTS; 521 522 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line); 523 } 524 525 static void 526 uvscom_cfg_set_break(struct ucom_softc *ucom, uint8_t onoff) 527 { 528 struct uvscom_softc *sc = ucom->sc_parent; 529 530 DPRINTF("onoff = %d\n", onoff); 531 532 if (onoff) 533 sc->sc_line |= UVSCOM_BREAK; 534 else 535 sc->sc_line &= ~UVSCOM_BREAK; 536 537 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line); 538 } 539 540 static int 541 uvscom_pre_param(struct ucom_softc *ucom, struct termios *t) 542 { 543 switch (t->c_ospeed) { 544 case B150: 545 case B300: 546 case B600: 547 case B1200: 548 case B2400: 549 case B4800: 550 case B9600: 551 case B19200: 552 case B38400: 553 case B57600: 554 case B115200: 555 default: 556 return (EINVAL); 557 } 558 return (0); 559 } 560 561 static void 562 uvscom_cfg_param(struct ucom_softc *ucom, struct termios *t) 563 { 564 struct uvscom_softc *sc = ucom->sc_parent; 565 uint16_t value; 566 567 DPRINTF("\n"); 568 569 switch (t->c_ospeed) { 570 case B150: 571 value = UVSCOM_SPEED_150BPS; 572 break; 573 case B300: 574 value = UVSCOM_SPEED_300BPS; 575 break; 576 case B600: 577 value = UVSCOM_SPEED_600BPS; 578 break; 579 case B1200: 580 value = UVSCOM_SPEED_1200BPS; 581 break; 582 case B2400: 583 value = UVSCOM_SPEED_2400BPS; 584 break; 585 case B4800: 586 value = UVSCOM_SPEED_4800BPS; 587 break; 588 case B9600: 589 value = UVSCOM_SPEED_9600BPS; 590 break; 591 case B19200: 592 value = UVSCOM_SPEED_19200BPS; 593 break; 594 case B38400: 595 value = UVSCOM_SPEED_38400BPS; 596 break; 597 case B57600: 598 value = UVSCOM_SPEED_57600BPS; 599 break; 600 case B115200: 601 value = UVSCOM_SPEED_115200BPS; 602 break; 603 default: 604 return; 605 } 606 607 uvscom_cfg_write(sc, UVSCOM_SET_SPEED, value); 608 609 value = 0; 610 611 if (t->c_cflag & CSTOPB) { 612 value |= UVSCOM_STOP_BIT_2; 613 } 614 if (t->c_cflag & PARENB) { 615 if (t->c_cflag & PARODD) { 616 value |= UVSCOM_PARITY_ODD; 617 } else { 618 value |= UVSCOM_PARITY_EVEN; 619 } 620 } else { 621 value |= UVSCOM_PARITY_NONE; 622 } 623 624 switch (t->c_cflag & CSIZE) { 625 case CS5: 626 value |= UVSCOM_DATA_BIT_5; 627 break; 628 case CS6: 629 value |= UVSCOM_DATA_BIT_6; 630 break; 631 case CS7: 632 value |= UVSCOM_DATA_BIT_7; 633 break; 634 default: 635 case CS8: 636 value |= UVSCOM_DATA_BIT_8; 637 break; 638 } 639 640 uvscom_cfg_write(sc, UVSCOM_SET_PARAM, value); 641 } 642 643 static int 644 uvscom_pre_open(struct ucom_softc *ucom) 645 { 646 struct uvscom_softc *sc = ucom->sc_parent; 647 648 DPRINTF("sc = %p\n", sc); 649 650 /* check if PC card was inserted */ 651 652 if (sc->sc_unit_status & UVSCOM_NOCARD) { 653 DPRINTF("no PC card!\n"); 654 return (ENXIO); 655 } 656 return (0); 657 } 658 659 static void 660 uvscom_cfg_open(struct ucom_softc *ucom) 661 { 662 struct uvscom_softc *sc = ucom->sc_parent; 663 664 DPRINTF("sc = %p\n", sc); 665 666 uvscom_cfg_read_status(sc); 667 } 668 669 static void 670 uvscom_cfg_close(struct ucom_softc *ucom) 671 { 672 struct uvscom_softc *sc = ucom->sc_parent; 673 674 DPRINTF("sc=%p\n", sc); 675 676 uvscom_cfg_write(sc, UVSCOM_SHUTDOWN, 0); 677 } 678 679 static void 680 uvscom_start_read(struct ucom_softc *ucom) 681 { 682 struct uvscom_softc *sc = ucom->sc_parent; 683 684 usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_RD]); 685 } 686 687 static void 688 uvscom_stop_read(struct ucom_softc *ucom) 689 { 690 struct uvscom_softc *sc = ucom->sc_parent; 691 692 usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_RD]); 693 } 694 695 static void 696 uvscom_start_write(struct ucom_softc *ucom) 697 { 698 struct uvscom_softc *sc = ucom->sc_parent; 699 700 usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_WR]); 701 } 702 703 static void 704 uvscom_stop_write(struct ucom_softc *ucom) 705 { 706 struct uvscom_softc *sc = ucom->sc_parent; 707 708 usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_WR]); 709 } 710 711 static void 712 uvscom_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr) 713 { 714 struct uvscom_softc *sc = ucom->sc_parent; 715 716 *lsr = sc->sc_lsr; 717 *msr = sc->sc_msr; 718 } 719 720 static void 721 uvscom_cfg_write(struct uvscom_softc *sc, uint8_t index, uint16_t value) 722 { 723 struct usb_device_request req; 724 usb_error_t err; 725 726 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 727 req.bRequest = index; 728 USETW(req.wValue, value); 729 USETW(req.wIndex, 0); 730 USETW(req.wLength, 0); 731 732 err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 733 &req, NULL, 0, 1000); 734 if (err) { 735 DPRINTFN(0, "device request failed, err=%s " 736 "(ignored)\n", usbd_errstr(err)); 737 } 738 } 739 740 static uint16_t 741 uvscom_cfg_read_status(struct uvscom_softc *sc) 742 { 743 struct usb_device_request req; 744 usb_error_t err; 745 uint8_t data[2]; 746 747 req.bmRequestType = UT_READ_VENDOR_DEVICE; 748 req.bRequest = UVSCOM_READ_STATUS; 749 USETW(req.wValue, 0); 750 USETW(req.wIndex, 0); 751 USETW(req.wLength, 2); 752 753 err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 754 &req, data, 0, 1000); 755 if (err) { 756 DPRINTFN(0, "device request failed, err=%s " 757 "(ignored)\n", usbd_errstr(err)); 758 } 759 return (data[0] | (data[1] << 8)); 760 } 761 762 static void 763 uvscom_poll(struct ucom_softc *ucom) 764 { 765 struct uvscom_softc *sc = ucom->sc_parent; 766 usbd_transfer_poll(sc->sc_xfer, UVSCOM_N_TRANSFER); 767 } 768