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/linker_set.h> 49 #include <sys/module.h> 50 #include <sys/lock.h> 51 #include <sys/mutex.h> 52 #include <sys/condvar.h> 53 #include <sys/sysctl.h> 54 #include <sys/sx.h> 55 #include <sys/unistd.h> 56 #include <sys/callout.h> 57 #include <sys/malloc.h> 58 #include <sys/priv.h> 59 60 #include <dev/usb/usb.h> 61 #include <dev/usb/usbdi.h> 62 #include <dev/usb/usbdi_util.h> 63 #include "usbdevs.h" 64 65 #define USB_DEBUG_VAR uvscom_debug 66 #include <dev/usb/usb_debug.h> 67 #include <dev/usb/usb_process.h> 68 69 #include <dev/usb/serial/usb_serial.h> 70 71 #ifdef USB_DEBUG 72 static int uvscom_debug = 0; 73 74 SYSCTL_NODE(_hw_usb, OID_AUTO, uvscom, CTLFLAG_RW, 0, "USB uvscom"); 75 SYSCTL_INT(_hw_usb_uvscom, OID_AUTO, debug, CTLFLAG_RW, 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; 167 168 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_cfg_set_dtr(struct ucom_softc *, uint8_t); 173 static void uvscom_cfg_set_rts(struct ucom_softc *, uint8_t); 174 static void uvscom_cfg_set_break(struct ucom_softc *, uint8_t); 175 static int uvscom_pre_param(struct ucom_softc *, struct termios *); 176 static void uvscom_cfg_param(struct ucom_softc *, struct termios *); 177 static int uvscom_pre_open(struct ucom_softc *); 178 static void uvscom_cfg_open(struct ucom_softc *); 179 static void uvscom_cfg_close(struct ucom_softc *); 180 static void uvscom_start_read(struct ucom_softc *); 181 static void uvscom_stop_read(struct ucom_softc *); 182 static void uvscom_start_write(struct ucom_softc *); 183 static void uvscom_stop_write(struct ucom_softc *); 184 static void uvscom_cfg_get_status(struct ucom_softc *, uint8_t *, 185 uint8_t *); 186 static void uvscom_cfg_write(struct uvscom_softc *, uint8_t, uint16_t); 187 static uint16_t uvscom_cfg_read_status(struct uvscom_softc *); 188 static void uvscom_poll(struct ucom_softc *ucom); 189 190 static const struct usb_config uvscom_config[UVSCOM_N_TRANSFER] = { 191 192 [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 }; 236 237 static const struct usb_device_id uvscom_devs[] = { 238 /* SUNTAC U-Cable type A4 */ 239 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_AS144L4, 0)}, 240 /* SUNTAC U-Cable type D2 */ 241 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_DS96L, 0)}, 242 /* SUNTAC Ir-Trinity */ 243 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_IS96U, 0)}, 244 /* SUNTAC U-Cable type P1 */ 245 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_PS64P1, 0)}, 246 /* SUNTAC Slipper U */ 247 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_VS10U, 0)}, 248 }; 249 250 static device_method_t uvscom_methods[] = { 251 DEVMETHOD(device_probe, uvscom_probe), 252 DEVMETHOD(device_attach, uvscom_attach), 253 DEVMETHOD(device_detach, uvscom_detach), 254 {0, 0} 255 }; 256 257 static devclass_t uvscom_devclass; 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, uvscom_devclass, NULL, 0); 266 MODULE_DEPEND(uvscom, ucom, 1, 1, 1); 267 MODULE_DEPEND(uvscom, usb, 1, 1, 1); 268 MODULE_VERSION(uvscom, UVSCOM_MODVER); 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); 296 297 sc->sc_udev = uaa->device; 298 299 DPRINTF("sc=%p\n", sc); 300 301 sc->sc_iface_no = uaa->info.bIfaceNum; 302 sc->sc_iface_index = UVSCOM_IFACE_INDEX; 303 304 error = usbd_transfer_setup(uaa->device, &sc->sc_iface_index, 305 sc->sc_xfer, uvscom_config, UVSCOM_N_TRANSFER, sc, &sc->sc_mtx); 306 307 if (error) { 308 DPRINTF("could not allocate all USB transfers!\n"); 309 goto detach; 310 } 311 sc->sc_line = UVSCOM_LINE_INIT; 312 313 /* clear stall at first run */ 314 mtx_lock(&sc->sc_mtx); 315 usbd_xfer_set_stall(sc->sc_xfer[UVSCOM_BULK_DT_WR]); 316 usbd_xfer_set_stall(sc->sc_xfer[UVSCOM_BULK_DT_RD]); 317 mtx_unlock(&sc->sc_mtx); 318 319 error = ucom_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc, 320 &uvscom_callback, &sc->sc_mtx); 321 if (error) { 322 goto detach; 323 } 324 ucom_set_pnpinfo_usb(&sc->sc_super_ucom, dev); 325 326 /* start interrupt pipe */ 327 mtx_lock(&sc->sc_mtx); 328 usbd_transfer_start(sc->sc_xfer[UVSCOM_INTR_DT_RD]); 329 mtx_unlock(&sc->sc_mtx); 330 331 return (0); 332 333 detach: 334 uvscom_detach(dev); 335 return (ENXIO); 336 } 337 338 static int 339 uvscom_detach(device_t dev) 340 { 341 struct uvscom_softc *sc = device_get_softc(dev); 342 343 DPRINTF("sc=%p\n", sc); 344 345 /* stop interrupt pipe */ 346 347 if (sc->sc_xfer[UVSCOM_INTR_DT_RD]) 348 usbd_transfer_stop(sc->sc_xfer[UVSCOM_INTR_DT_RD]); 349 350 ucom_detach(&sc->sc_super_ucom, &sc->sc_ucom); 351 usbd_transfer_unsetup(sc->sc_xfer, UVSCOM_N_TRANSFER); 352 mtx_destroy(&sc->sc_mtx); 353 354 return (0); 355 } 356 357 static void 358 uvscom_write_callback(struct usb_xfer *xfer, usb_error_t error) 359 { 360 struct uvscom_softc *sc = usbd_xfer_softc(xfer); 361 struct usb_page_cache *pc; 362 uint32_t actlen; 363 364 switch (USB_GET_STATE(xfer)) { 365 case USB_ST_SETUP: 366 case USB_ST_TRANSFERRED: 367 tr_setup: 368 pc = usbd_xfer_get_frame(xfer, 0); 369 if (ucom_get_data(&sc->sc_ucom, pc, 0, 370 UVSCOM_BULK_BUF_SIZE, &actlen)) { 371 372 usbd_xfer_set_frame_len(xfer, 0, actlen); 373 usbd_transfer_submit(xfer); 374 } 375 return; 376 377 default: /* Error */ 378 if (error != USB_ERR_CANCELLED) { 379 /* try to clear stall first */ 380 usbd_xfer_set_stall(xfer); 381 goto tr_setup; 382 } 383 return; 384 } 385 } 386 387 static void 388 uvscom_read_callback(struct usb_xfer *xfer, usb_error_t error) 389 { 390 struct uvscom_softc *sc = usbd_xfer_softc(xfer); 391 struct usb_page_cache *pc; 392 int actlen; 393 394 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 395 396 switch (USB_GET_STATE(xfer)) { 397 case USB_ST_TRANSFERRED: 398 pc = usbd_xfer_get_frame(xfer, 0); 399 ucom_put_data(&sc->sc_ucom, pc, 0, actlen); 400 401 case USB_ST_SETUP: 402 tr_setup: 403 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 404 usbd_transfer_submit(xfer); 405 return; 406 407 default: /* Error */ 408 if (error != USB_ERR_CANCELLED) { 409 /* try to clear stall first */ 410 usbd_xfer_set_stall(xfer); 411 goto tr_setup; 412 } 413 return; 414 } 415 } 416 417 static void 418 uvscom_intr_callback(struct usb_xfer *xfer, usb_error_t error) 419 { 420 struct uvscom_softc *sc = usbd_xfer_softc(xfer); 421 struct usb_page_cache *pc; 422 uint8_t buf[2]; 423 int actlen; 424 425 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 426 427 switch (USB_GET_STATE(xfer)) { 428 case USB_ST_TRANSFERRED: 429 if (actlen >= 2) { 430 431 pc = usbd_xfer_get_frame(xfer, 0); 432 usbd_copy_out(pc, 0, buf, sizeof(buf)); 433 434 sc->sc_lsr = 0; 435 sc->sc_msr = 0; 436 sc->sc_unit_status = buf[1]; 437 438 if (buf[0] & UVSCOM_TXRDY) { 439 sc->sc_lsr |= ULSR_TXRDY; 440 } 441 if (buf[0] & UVSCOM_RXRDY) { 442 sc->sc_lsr |= ULSR_RXRDY; 443 } 444 if (buf[1] & UVSCOM_CTS) { 445 sc->sc_msr |= SER_CTS; 446 } 447 if (buf[1] & UVSCOM_DSR) { 448 sc->sc_msr |= SER_DSR; 449 } 450 if (buf[1] & UVSCOM_DCD) { 451 sc->sc_msr |= SER_DCD; 452 } 453 /* 454 * the UCOM layer will ignore this call if the TTY 455 * device is closed! 456 */ 457 ucom_status_change(&sc->sc_ucom); 458 } 459 case USB_ST_SETUP: 460 tr_setup: 461 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 462 usbd_transfer_submit(xfer); 463 return; 464 465 default: /* Error */ 466 if (error != USB_ERR_CANCELLED) { 467 /* try to clear stall first */ 468 usbd_xfer_set_stall(xfer); 469 goto tr_setup; 470 } 471 return; 472 } 473 } 474 475 static void 476 uvscom_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff) 477 { 478 struct uvscom_softc *sc = ucom->sc_parent; 479 480 DPRINTF("onoff = %d\n", onoff); 481 482 if (onoff) 483 sc->sc_line |= UVSCOM_DTR; 484 else 485 sc->sc_line &= ~UVSCOM_DTR; 486 487 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line); 488 } 489 490 static void 491 uvscom_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff) 492 { 493 struct uvscom_softc *sc = ucom->sc_parent; 494 495 DPRINTF("onoff = %d\n", onoff); 496 497 if (onoff) 498 sc->sc_line |= UVSCOM_RTS; 499 else 500 sc->sc_line &= ~UVSCOM_RTS; 501 502 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line); 503 } 504 505 static void 506 uvscom_cfg_set_break(struct ucom_softc *ucom, uint8_t onoff) 507 { 508 struct uvscom_softc *sc = ucom->sc_parent; 509 510 DPRINTF("onoff = %d\n", onoff); 511 512 if (onoff) 513 sc->sc_line |= UVSCOM_BREAK; 514 else 515 sc->sc_line &= ~UVSCOM_BREAK; 516 517 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line); 518 } 519 520 static int 521 uvscom_pre_param(struct ucom_softc *ucom, struct termios *t) 522 { 523 switch (t->c_ospeed) { 524 case B150: 525 case B300: 526 case B600: 527 case B1200: 528 case B2400: 529 case B4800: 530 case B9600: 531 case B19200: 532 case B38400: 533 case B57600: 534 case B115200: 535 default: 536 return (EINVAL); 537 } 538 return (0); 539 } 540 541 static void 542 uvscom_cfg_param(struct ucom_softc *ucom, struct termios *t) 543 { 544 struct uvscom_softc *sc = ucom->sc_parent; 545 uint16_t value; 546 547 DPRINTF("\n"); 548 549 switch (t->c_ospeed) { 550 case B150: 551 value = UVSCOM_SPEED_150BPS; 552 break; 553 case B300: 554 value = UVSCOM_SPEED_300BPS; 555 break; 556 case B600: 557 value = UVSCOM_SPEED_600BPS; 558 break; 559 case B1200: 560 value = UVSCOM_SPEED_1200BPS; 561 break; 562 case B2400: 563 value = UVSCOM_SPEED_2400BPS; 564 break; 565 case B4800: 566 value = UVSCOM_SPEED_4800BPS; 567 break; 568 case B9600: 569 value = UVSCOM_SPEED_9600BPS; 570 break; 571 case B19200: 572 value = UVSCOM_SPEED_19200BPS; 573 break; 574 case B38400: 575 value = UVSCOM_SPEED_38400BPS; 576 break; 577 case B57600: 578 value = UVSCOM_SPEED_57600BPS; 579 break; 580 case B115200: 581 value = UVSCOM_SPEED_115200BPS; 582 break; 583 default: 584 return; 585 } 586 587 uvscom_cfg_write(sc, UVSCOM_SET_SPEED, value); 588 589 value = 0; 590 591 if (t->c_cflag & CSTOPB) { 592 value |= UVSCOM_STOP_BIT_2; 593 } 594 if (t->c_cflag & PARENB) { 595 if (t->c_cflag & PARODD) { 596 value |= UVSCOM_PARITY_ODD; 597 } else { 598 value |= UVSCOM_PARITY_EVEN; 599 } 600 } else { 601 value |= UVSCOM_PARITY_NONE; 602 } 603 604 switch (t->c_cflag & CSIZE) { 605 case CS5: 606 value |= UVSCOM_DATA_BIT_5; 607 break; 608 case CS6: 609 value |= UVSCOM_DATA_BIT_6; 610 break; 611 case CS7: 612 value |= UVSCOM_DATA_BIT_7; 613 break; 614 default: 615 case CS8: 616 value |= UVSCOM_DATA_BIT_8; 617 break; 618 } 619 620 uvscom_cfg_write(sc, UVSCOM_SET_PARAM, value); 621 } 622 623 static int 624 uvscom_pre_open(struct ucom_softc *ucom) 625 { 626 struct uvscom_softc *sc = ucom->sc_parent; 627 628 DPRINTF("sc = %p\n", sc); 629 630 /* check if PC card was inserted */ 631 632 if (sc->sc_unit_status & UVSCOM_NOCARD) { 633 DPRINTF("no PC card!\n"); 634 return (ENXIO); 635 } 636 return (0); 637 } 638 639 static void 640 uvscom_cfg_open(struct ucom_softc *ucom) 641 { 642 struct uvscom_softc *sc = ucom->sc_parent; 643 644 DPRINTF("sc = %p\n", sc); 645 646 uvscom_cfg_read_status(sc); 647 } 648 649 static void 650 uvscom_cfg_close(struct ucom_softc *ucom) 651 { 652 struct uvscom_softc *sc = ucom->sc_parent; 653 654 DPRINTF("sc=%p\n", sc); 655 656 uvscom_cfg_write(sc, UVSCOM_SHUTDOWN, 0); 657 } 658 659 static void 660 uvscom_start_read(struct ucom_softc *ucom) 661 { 662 struct uvscom_softc *sc = ucom->sc_parent; 663 664 usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_RD]); 665 } 666 667 static void 668 uvscom_stop_read(struct ucom_softc *ucom) 669 { 670 struct uvscom_softc *sc = ucom->sc_parent; 671 672 usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_RD]); 673 } 674 675 static void 676 uvscom_start_write(struct ucom_softc *ucom) 677 { 678 struct uvscom_softc *sc = ucom->sc_parent; 679 680 usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_WR]); 681 } 682 683 static void 684 uvscom_stop_write(struct ucom_softc *ucom) 685 { 686 struct uvscom_softc *sc = ucom->sc_parent; 687 688 usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_WR]); 689 } 690 691 static void 692 uvscom_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr) 693 { 694 struct uvscom_softc *sc = ucom->sc_parent; 695 696 *lsr = sc->sc_lsr; 697 *msr = sc->sc_msr; 698 } 699 700 static void 701 uvscom_cfg_write(struct uvscom_softc *sc, uint8_t index, uint16_t value) 702 { 703 struct usb_device_request req; 704 usb_error_t err; 705 706 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 707 req.bRequest = index; 708 USETW(req.wValue, value); 709 USETW(req.wIndex, 0); 710 USETW(req.wLength, 0); 711 712 err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 713 &req, NULL, 0, 1000); 714 if (err) { 715 DPRINTFN(0, "device request failed, err=%s " 716 "(ignored)\n", usbd_errstr(err)); 717 } 718 } 719 720 static uint16_t 721 uvscom_cfg_read_status(struct uvscom_softc *sc) 722 { 723 struct usb_device_request req; 724 usb_error_t err; 725 uint8_t data[2]; 726 727 req.bmRequestType = UT_READ_VENDOR_DEVICE; 728 req.bRequest = UVSCOM_READ_STATUS; 729 USETW(req.wValue, 0); 730 USETW(req.wIndex, 0); 731 USETW(req.wLength, 2); 732 733 err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 734 &req, data, 0, 1000); 735 if (err) { 736 DPRINTFN(0, "device request failed, err=%s " 737 "(ignored)\n", usbd_errstr(err)); 738 } 739 return (data[0] | (data[1] << 8)); 740 } 741 742 static void 743 uvscom_poll(struct ucom_softc *ucom) 744 { 745 struct uvscom_softc *sc = ucom->sc_parent; 746 usbd_transfer_poll(sc->sc_xfer, UVSCOM_N_TRANSFER); 747 } 748