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 #if 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 /* start interrupt pipe */ 325 mtx_lock(&sc->sc_mtx); 326 usbd_transfer_start(sc->sc_xfer[UVSCOM_INTR_DT_RD]); 327 mtx_unlock(&sc->sc_mtx); 328 329 return (0); 330 331 detach: 332 uvscom_detach(dev); 333 return (ENXIO); 334 } 335 336 static int 337 uvscom_detach(device_t dev) 338 { 339 struct uvscom_softc *sc = device_get_softc(dev); 340 341 DPRINTF("sc=%p\n", sc); 342 343 /* stop interrupt pipe */ 344 345 if (sc->sc_xfer[UVSCOM_INTR_DT_RD]) 346 usbd_transfer_stop(sc->sc_xfer[UVSCOM_INTR_DT_RD]); 347 348 ucom_detach(&sc->sc_super_ucom, &sc->sc_ucom, 1); 349 usbd_transfer_unsetup(sc->sc_xfer, UVSCOM_N_TRANSFER); 350 mtx_destroy(&sc->sc_mtx); 351 352 return (0); 353 } 354 355 static void 356 uvscom_write_callback(struct usb_xfer *xfer, usb_error_t error) 357 { 358 struct uvscom_softc *sc = usbd_xfer_softc(xfer); 359 struct usb_page_cache *pc; 360 uint32_t actlen; 361 362 switch (USB_GET_STATE(xfer)) { 363 case USB_ST_SETUP: 364 case USB_ST_TRANSFERRED: 365 tr_setup: 366 pc = usbd_xfer_get_frame(xfer, 0); 367 if (ucom_get_data(&sc->sc_ucom, pc, 0, 368 UVSCOM_BULK_BUF_SIZE, &actlen)) { 369 370 usbd_xfer_set_frame_len(xfer, 0, actlen); 371 usbd_transfer_submit(xfer); 372 } 373 return; 374 375 default: /* Error */ 376 if (error != USB_ERR_CANCELLED) { 377 /* try to clear stall first */ 378 usbd_xfer_set_stall(xfer); 379 goto tr_setup; 380 } 381 return; 382 } 383 } 384 385 static void 386 uvscom_read_callback(struct usb_xfer *xfer, usb_error_t error) 387 { 388 struct uvscom_softc *sc = usbd_xfer_softc(xfer); 389 struct usb_page_cache *pc; 390 int actlen; 391 392 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 393 394 switch (USB_GET_STATE(xfer)) { 395 case USB_ST_TRANSFERRED: 396 pc = usbd_xfer_get_frame(xfer, 0); 397 ucom_put_data(&sc->sc_ucom, pc, 0, actlen); 398 399 case USB_ST_SETUP: 400 tr_setup: 401 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 402 usbd_transfer_submit(xfer); 403 return; 404 405 default: /* Error */ 406 if (error != USB_ERR_CANCELLED) { 407 /* try to clear stall first */ 408 usbd_xfer_set_stall(xfer); 409 goto tr_setup; 410 } 411 return; 412 } 413 } 414 415 static void 416 uvscom_intr_callback(struct usb_xfer *xfer, usb_error_t error) 417 { 418 struct uvscom_softc *sc = usbd_xfer_softc(xfer); 419 struct usb_page_cache *pc; 420 uint8_t buf[2]; 421 int actlen; 422 423 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 424 425 switch (USB_GET_STATE(xfer)) { 426 case USB_ST_TRANSFERRED: 427 if (actlen >= 2) { 428 429 pc = usbd_xfer_get_frame(xfer, 0); 430 usbd_copy_out(pc, 0, buf, sizeof(buf)); 431 432 sc->sc_lsr = 0; 433 sc->sc_msr = 0; 434 sc->sc_unit_status = buf[1]; 435 436 if (buf[0] & UVSCOM_TXRDY) { 437 sc->sc_lsr |= ULSR_TXRDY; 438 } 439 if (buf[0] & UVSCOM_RXRDY) { 440 sc->sc_lsr |= ULSR_RXRDY; 441 } 442 if (buf[1] & UVSCOM_CTS) { 443 sc->sc_msr |= SER_CTS; 444 } 445 if (buf[1] & UVSCOM_DSR) { 446 sc->sc_msr |= SER_DSR; 447 } 448 if (buf[1] & UVSCOM_DCD) { 449 sc->sc_msr |= SER_DCD; 450 } 451 /* 452 * the UCOM layer will ignore this call if the TTY 453 * device is closed! 454 */ 455 ucom_status_change(&sc->sc_ucom); 456 } 457 case USB_ST_SETUP: 458 tr_setup: 459 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 460 usbd_transfer_submit(xfer); 461 return; 462 463 default: /* Error */ 464 if (error != USB_ERR_CANCELLED) { 465 /* try to clear stall first */ 466 usbd_xfer_set_stall(xfer); 467 goto tr_setup; 468 } 469 return; 470 } 471 } 472 473 static void 474 uvscom_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff) 475 { 476 struct uvscom_softc *sc = ucom->sc_parent; 477 478 DPRINTF("onoff = %d\n", onoff); 479 480 if (onoff) 481 sc->sc_line |= UVSCOM_DTR; 482 else 483 sc->sc_line &= ~UVSCOM_DTR; 484 485 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line); 486 } 487 488 static void 489 uvscom_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff) 490 { 491 struct uvscom_softc *sc = ucom->sc_parent; 492 493 DPRINTF("onoff = %d\n", onoff); 494 495 if (onoff) 496 sc->sc_line |= UVSCOM_RTS; 497 else 498 sc->sc_line &= ~UVSCOM_RTS; 499 500 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line); 501 } 502 503 static void 504 uvscom_cfg_set_break(struct ucom_softc *ucom, uint8_t onoff) 505 { 506 struct uvscom_softc *sc = ucom->sc_parent; 507 508 DPRINTF("onoff = %d\n", onoff); 509 510 if (onoff) 511 sc->sc_line |= UVSCOM_BREAK; 512 else 513 sc->sc_line &= ~UVSCOM_BREAK; 514 515 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line); 516 } 517 518 static int 519 uvscom_pre_param(struct ucom_softc *ucom, struct termios *t) 520 { 521 switch (t->c_ospeed) { 522 case B150: 523 case B300: 524 case B600: 525 case B1200: 526 case B2400: 527 case B4800: 528 case B9600: 529 case B19200: 530 case B38400: 531 case B57600: 532 case B115200: 533 default: 534 return (EINVAL); 535 } 536 return (0); 537 } 538 539 static void 540 uvscom_cfg_param(struct ucom_softc *ucom, struct termios *t) 541 { 542 struct uvscom_softc *sc = ucom->sc_parent; 543 uint16_t value; 544 545 DPRINTF("\n"); 546 547 switch (t->c_ospeed) { 548 case B150: 549 value = UVSCOM_SPEED_150BPS; 550 break; 551 case B300: 552 value = UVSCOM_SPEED_300BPS; 553 break; 554 case B600: 555 value = UVSCOM_SPEED_600BPS; 556 break; 557 case B1200: 558 value = UVSCOM_SPEED_1200BPS; 559 break; 560 case B2400: 561 value = UVSCOM_SPEED_2400BPS; 562 break; 563 case B4800: 564 value = UVSCOM_SPEED_4800BPS; 565 break; 566 case B9600: 567 value = UVSCOM_SPEED_9600BPS; 568 break; 569 case B19200: 570 value = UVSCOM_SPEED_19200BPS; 571 break; 572 case B38400: 573 value = UVSCOM_SPEED_38400BPS; 574 break; 575 case B57600: 576 value = UVSCOM_SPEED_57600BPS; 577 break; 578 case B115200: 579 value = UVSCOM_SPEED_115200BPS; 580 break; 581 default: 582 return; 583 } 584 585 uvscom_cfg_write(sc, UVSCOM_SET_SPEED, value); 586 587 value = 0; 588 589 if (t->c_cflag & CSTOPB) { 590 value |= UVSCOM_STOP_BIT_2; 591 } 592 if (t->c_cflag & PARENB) { 593 if (t->c_cflag & PARODD) { 594 value |= UVSCOM_PARITY_ODD; 595 } else { 596 value |= UVSCOM_PARITY_EVEN; 597 } 598 } else { 599 value |= UVSCOM_PARITY_NONE; 600 } 601 602 switch (t->c_cflag & CSIZE) { 603 case CS5: 604 value |= UVSCOM_DATA_BIT_5; 605 break; 606 case CS6: 607 value |= UVSCOM_DATA_BIT_6; 608 break; 609 case CS7: 610 value |= UVSCOM_DATA_BIT_7; 611 break; 612 default: 613 case CS8: 614 value |= UVSCOM_DATA_BIT_8; 615 break; 616 } 617 618 uvscom_cfg_write(sc, UVSCOM_SET_PARAM, value); 619 } 620 621 static int 622 uvscom_pre_open(struct ucom_softc *ucom) 623 { 624 struct uvscom_softc *sc = ucom->sc_parent; 625 626 DPRINTF("sc = %p\n", sc); 627 628 /* check if PC card was inserted */ 629 630 if (sc->sc_unit_status & UVSCOM_NOCARD) { 631 DPRINTF("no PC card!\n"); 632 return (ENXIO); 633 } 634 return (0); 635 } 636 637 static void 638 uvscom_cfg_open(struct ucom_softc *ucom) 639 { 640 struct uvscom_softc *sc = ucom->sc_parent; 641 642 DPRINTF("sc = %p\n", sc); 643 644 uvscom_cfg_read_status(sc); 645 } 646 647 static void 648 uvscom_cfg_close(struct ucom_softc *ucom) 649 { 650 struct uvscom_softc *sc = ucom->sc_parent; 651 652 DPRINTF("sc=%p\n", sc); 653 654 uvscom_cfg_write(sc, UVSCOM_SHUTDOWN, 0); 655 } 656 657 static void 658 uvscom_start_read(struct ucom_softc *ucom) 659 { 660 struct uvscom_softc *sc = ucom->sc_parent; 661 662 usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_RD]); 663 } 664 665 static void 666 uvscom_stop_read(struct ucom_softc *ucom) 667 { 668 struct uvscom_softc *sc = ucom->sc_parent; 669 670 usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_RD]); 671 } 672 673 static void 674 uvscom_start_write(struct ucom_softc *ucom) 675 { 676 struct uvscom_softc *sc = ucom->sc_parent; 677 678 usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_WR]); 679 } 680 681 static void 682 uvscom_stop_write(struct ucom_softc *ucom) 683 { 684 struct uvscom_softc *sc = ucom->sc_parent; 685 686 usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_WR]); 687 } 688 689 static void 690 uvscom_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr) 691 { 692 struct uvscom_softc *sc = ucom->sc_parent; 693 694 *lsr = sc->sc_lsr; 695 *msr = sc->sc_msr; 696 } 697 698 static void 699 uvscom_cfg_write(struct uvscom_softc *sc, uint8_t index, uint16_t value) 700 { 701 struct usb_device_request req; 702 usb_error_t err; 703 704 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 705 req.bRequest = index; 706 USETW(req.wValue, value); 707 USETW(req.wIndex, 0); 708 USETW(req.wLength, 0); 709 710 err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 711 &req, NULL, 0, 1000); 712 if (err) { 713 DPRINTFN(0, "device request failed, err=%s " 714 "(ignored)\n", usbd_errstr(err)); 715 } 716 } 717 718 static uint16_t 719 uvscom_cfg_read_status(struct uvscom_softc *sc) 720 { 721 struct usb_device_request req; 722 usb_error_t err; 723 uint8_t data[2]; 724 725 req.bmRequestType = UT_READ_VENDOR_DEVICE; 726 req.bRequest = UVSCOM_READ_STATUS; 727 USETW(req.wValue, 0); 728 USETW(req.wIndex, 0); 729 USETW(req.wLength, 2); 730 731 err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 732 &req, data, 0, 1000); 733 if (err) { 734 DPRINTFN(0, "device request failed, err=%s " 735 "(ignored)\n", usbd_errstr(err)); 736 } 737 return (data[0] | (data[1] << 8)); 738 } 739 740 static void 741 uvscom_poll(struct ucom_softc *ucom) 742 { 743 struct uvscom_softc *sc = ucom->sc_parent; 744 usbd_transfer_poll(sc->sc_xfer, UVSCOM_N_TRANSFER); 745 } 746