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 *); 188 189 static const struct usb_config uvscom_config[UVSCOM_N_TRANSFER] = { 190 191 [UVSCOM_BULK_DT_WR] = { 192 .type = UE_BULK, 193 .endpoint = UE_ADDR_ANY, 194 .direction = UE_DIR_OUT, 195 .bufsize = UVSCOM_BULK_BUF_SIZE, 196 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 197 .callback = &uvscom_write_callback, 198 }, 199 200 [UVSCOM_BULK_DT_RD] = { 201 .type = UE_BULK, 202 .endpoint = UE_ADDR_ANY, 203 .direction = UE_DIR_IN, 204 .bufsize = UVSCOM_BULK_BUF_SIZE, 205 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 206 .callback = &uvscom_read_callback, 207 }, 208 209 [UVSCOM_INTR_DT_RD] = { 210 .type = UE_INTERRUPT, 211 .endpoint = UE_ADDR_ANY, 212 .direction = UE_DIR_IN, 213 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 214 .bufsize = 0, /* use wMaxPacketSize */ 215 .callback = &uvscom_intr_callback, 216 }, 217 }; 218 219 static const struct ucom_callback uvscom_callback = { 220 .ucom_cfg_get_status = &uvscom_cfg_get_status, 221 .ucom_cfg_set_dtr = &uvscom_cfg_set_dtr, 222 .ucom_cfg_set_rts = &uvscom_cfg_set_rts, 223 .ucom_cfg_set_break = &uvscom_cfg_set_break, 224 .ucom_cfg_param = &uvscom_cfg_param, 225 .ucom_cfg_open = &uvscom_cfg_open, 226 .ucom_cfg_close = &uvscom_cfg_close, 227 .ucom_pre_open = &uvscom_pre_open, 228 .ucom_pre_param = &uvscom_pre_param, 229 .ucom_start_read = &uvscom_start_read, 230 .ucom_stop_read = &uvscom_stop_read, 231 .ucom_start_write = &uvscom_start_write, 232 .ucom_stop_write = &uvscom_stop_write, 233 }; 234 235 static const struct usb_device_id uvscom_devs[] = { 236 /* SUNTAC U-Cable type A4 */ 237 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_AS144L4, 0)}, 238 /* SUNTAC U-Cable type D2 */ 239 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_DS96L, 0)}, 240 /* SUNTAC Ir-Trinity */ 241 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_IS96U, 0)}, 242 /* SUNTAC U-Cable type P1 */ 243 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_PS64P1, 0)}, 244 /* SUNTAC Slipper U */ 245 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_VS10U, 0)}, 246 }; 247 248 static device_method_t uvscom_methods[] = { 249 DEVMETHOD(device_probe, uvscom_probe), 250 DEVMETHOD(device_attach, uvscom_attach), 251 DEVMETHOD(device_detach, uvscom_detach), 252 {0, 0} 253 }; 254 255 static devclass_t uvscom_devclass; 256 257 static driver_t uvscom_driver = { 258 .name = "uvscom", 259 .methods = uvscom_methods, 260 .size = sizeof(struct uvscom_softc), 261 }; 262 263 DRIVER_MODULE(uvscom, uhub, uvscom_driver, uvscom_devclass, NULL, 0); 264 MODULE_DEPEND(uvscom, ucom, 1, 1, 1); 265 MODULE_DEPEND(uvscom, usb, 1, 1, 1); 266 MODULE_VERSION(uvscom, UVSCOM_MODVER); 267 268 static int 269 uvscom_probe(device_t dev) 270 { 271 struct usb_attach_arg *uaa = device_get_ivars(dev); 272 273 if (uaa->usb_mode != USB_MODE_HOST) { 274 return (ENXIO); 275 } 276 if (uaa->info.bConfigIndex != UVSCOM_CONFIG_INDEX) { 277 return (ENXIO); 278 } 279 if (uaa->info.bIfaceIndex != UVSCOM_IFACE_INDEX) { 280 return (ENXIO); 281 } 282 return (usbd_lookup_id_by_uaa(uvscom_devs, sizeof(uvscom_devs), uaa)); 283 } 284 285 static int 286 uvscom_attach(device_t dev) 287 { 288 struct usb_attach_arg *uaa = device_get_ivars(dev); 289 struct uvscom_softc *sc = device_get_softc(dev); 290 int error; 291 292 device_set_usb_desc(dev); 293 mtx_init(&sc->sc_mtx, "uvscom", NULL, MTX_DEF); 294 295 sc->sc_udev = uaa->device; 296 297 DPRINTF("sc=%p\n", sc); 298 299 sc->sc_iface_no = uaa->info.bIfaceNum; 300 sc->sc_iface_index = UVSCOM_IFACE_INDEX; 301 302 error = usbd_transfer_setup(uaa->device, &sc->sc_iface_index, 303 sc->sc_xfer, uvscom_config, UVSCOM_N_TRANSFER, sc, &sc->sc_mtx); 304 305 if (error) { 306 DPRINTF("could not allocate all USB transfers!\n"); 307 goto detach; 308 } 309 sc->sc_line = UVSCOM_LINE_INIT; 310 311 /* clear stall at first run */ 312 mtx_lock(&sc->sc_mtx); 313 usbd_xfer_set_stall(sc->sc_xfer[UVSCOM_BULK_DT_WR]); 314 usbd_xfer_set_stall(sc->sc_xfer[UVSCOM_BULK_DT_RD]); 315 mtx_unlock(&sc->sc_mtx); 316 317 error = ucom_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc, 318 &uvscom_callback, &sc->sc_mtx); 319 if (error) { 320 goto detach; 321 } 322 /* start interrupt pipe */ 323 mtx_lock(&sc->sc_mtx); 324 usbd_transfer_start(sc->sc_xfer[UVSCOM_INTR_DT_RD]); 325 mtx_unlock(&sc->sc_mtx); 326 327 return (0); 328 329 detach: 330 uvscom_detach(dev); 331 return (ENXIO); 332 } 333 334 static int 335 uvscom_detach(device_t dev) 336 { 337 struct uvscom_softc *sc = device_get_softc(dev); 338 339 DPRINTF("sc=%p\n", sc); 340 341 /* stop interrupt pipe */ 342 343 if (sc->sc_xfer[UVSCOM_INTR_DT_RD]) 344 usbd_transfer_stop(sc->sc_xfer[UVSCOM_INTR_DT_RD]); 345 346 ucom_detach(&sc->sc_super_ucom, &sc->sc_ucom, 1); 347 usbd_transfer_unsetup(sc->sc_xfer, UVSCOM_N_TRANSFER); 348 mtx_destroy(&sc->sc_mtx); 349 350 return (0); 351 } 352 353 static void 354 uvscom_write_callback(struct usb_xfer *xfer, usb_error_t error) 355 { 356 struct uvscom_softc *sc = usbd_xfer_softc(xfer); 357 struct usb_page_cache *pc; 358 uint32_t actlen; 359 360 switch (USB_GET_STATE(xfer)) { 361 case USB_ST_SETUP: 362 case USB_ST_TRANSFERRED: 363 tr_setup: 364 pc = usbd_xfer_get_frame(xfer, 0); 365 if (ucom_get_data(&sc->sc_ucom, pc, 0, 366 UVSCOM_BULK_BUF_SIZE, &actlen)) { 367 368 usbd_xfer_set_frame_len(xfer, 0, actlen); 369 usbd_transfer_submit(xfer); 370 } 371 return; 372 373 default: /* Error */ 374 if (error != USB_ERR_CANCELLED) { 375 /* try to clear stall first */ 376 usbd_xfer_set_stall(xfer); 377 goto tr_setup; 378 } 379 return; 380 } 381 } 382 383 static void 384 uvscom_read_callback(struct usb_xfer *xfer, usb_error_t error) 385 { 386 struct uvscom_softc *sc = usbd_xfer_softc(xfer); 387 struct usb_page_cache *pc; 388 int actlen; 389 390 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 391 392 switch (USB_GET_STATE(xfer)) { 393 case USB_ST_TRANSFERRED: 394 pc = usbd_xfer_get_frame(xfer, 0); 395 ucom_put_data(&sc->sc_ucom, pc, 0, actlen); 396 397 case USB_ST_SETUP: 398 tr_setup: 399 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 400 usbd_transfer_submit(xfer); 401 return; 402 403 default: /* Error */ 404 if (error != USB_ERR_CANCELLED) { 405 /* try to clear stall first */ 406 usbd_xfer_set_stall(xfer); 407 goto tr_setup; 408 } 409 return; 410 } 411 } 412 413 static void 414 uvscom_intr_callback(struct usb_xfer *xfer, usb_error_t error) 415 { 416 struct uvscom_softc *sc = usbd_xfer_softc(xfer); 417 struct usb_page_cache *pc; 418 uint8_t buf[2]; 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 if (actlen >= 2) { 426 427 pc = usbd_xfer_get_frame(xfer, 0); 428 usbd_copy_out(pc, 0, buf, sizeof(buf)); 429 430 sc->sc_lsr = 0; 431 sc->sc_msr = 0; 432 sc->sc_unit_status = buf[1]; 433 434 if (buf[0] & UVSCOM_TXRDY) { 435 sc->sc_lsr |= ULSR_TXRDY; 436 } 437 if (buf[0] & UVSCOM_RXRDY) { 438 sc->sc_lsr |= ULSR_RXRDY; 439 } 440 if (buf[1] & UVSCOM_CTS) { 441 sc->sc_msr |= SER_CTS; 442 } 443 if (buf[1] & UVSCOM_DSR) { 444 sc->sc_msr |= SER_DSR; 445 } 446 if (buf[1] & UVSCOM_DCD) { 447 sc->sc_msr |= SER_DCD; 448 } 449 /* 450 * the UCOM layer will ignore this call if the TTY 451 * device is closed! 452 */ 453 ucom_status_change(&sc->sc_ucom); 454 } 455 case USB_ST_SETUP: 456 tr_setup: 457 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 458 usbd_transfer_submit(xfer); 459 return; 460 461 default: /* Error */ 462 if (error != USB_ERR_CANCELLED) { 463 /* try to clear stall first */ 464 usbd_xfer_set_stall(xfer); 465 goto tr_setup; 466 } 467 return; 468 } 469 } 470 471 static void 472 uvscom_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff) 473 { 474 struct uvscom_softc *sc = ucom->sc_parent; 475 476 DPRINTF("onoff = %d\n", onoff); 477 478 if (onoff) 479 sc->sc_line |= UVSCOM_DTR; 480 else 481 sc->sc_line &= ~UVSCOM_DTR; 482 483 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line); 484 } 485 486 static void 487 uvscom_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff) 488 { 489 struct uvscom_softc *sc = ucom->sc_parent; 490 491 DPRINTF("onoff = %d\n", onoff); 492 493 if (onoff) 494 sc->sc_line |= UVSCOM_RTS; 495 else 496 sc->sc_line &= ~UVSCOM_RTS; 497 498 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line); 499 } 500 501 static void 502 uvscom_cfg_set_break(struct ucom_softc *ucom, uint8_t onoff) 503 { 504 struct uvscom_softc *sc = ucom->sc_parent; 505 506 DPRINTF("onoff = %d\n", onoff); 507 508 if (onoff) 509 sc->sc_line |= UVSCOM_BREAK; 510 else 511 sc->sc_line &= ~UVSCOM_BREAK; 512 513 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line); 514 } 515 516 static int 517 uvscom_pre_param(struct ucom_softc *ucom, struct termios *t) 518 { 519 switch (t->c_ospeed) { 520 case B150: 521 case B300: 522 case B600: 523 case B1200: 524 case B2400: 525 case B4800: 526 case B9600: 527 case B19200: 528 case B38400: 529 case B57600: 530 case B115200: 531 default: 532 return (EINVAL); 533 } 534 return (0); 535 } 536 537 static void 538 uvscom_cfg_param(struct ucom_softc *ucom, struct termios *t) 539 { 540 struct uvscom_softc *sc = ucom->sc_parent; 541 uint16_t value; 542 543 DPRINTF("\n"); 544 545 switch (t->c_ospeed) { 546 case B150: 547 value = UVSCOM_SPEED_150BPS; 548 break; 549 case B300: 550 value = UVSCOM_SPEED_300BPS; 551 break; 552 case B600: 553 value = UVSCOM_SPEED_600BPS; 554 break; 555 case B1200: 556 value = UVSCOM_SPEED_1200BPS; 557 break; 558 case B2400: 559 value = UVSCOM_SPEED_2400BPS; 560 break; 561 case B4800: 562 value = UVSCOM_SPEED_4800BPS; 563 break; 564 case B9600: 565 value = UVSCOM_SPEED_9600BPS; 566 break; 567 case B19200: 568 value = UVSCOM_SPEED_19200BPS; 569 break; 570 case B38400: 571 value = UVSCOM_SPEED_38400BPS; 572 break; 573 case B57600: 574 value = UVSCOM_SPEED_57600BPS; 575 break; 576 case B115200: 577 value = UVSCOM_SPEED_115200BPS; 578 break; 579 default: 580 return; 581 } 582 583 uvscom_cfg_write(sc, UVSCOM_SET_SPEED, value); 584 585 value = 0; 586 587 if (t->c_cflag & CSTOPB) { 588 value |= UVSCOM_STOP_BIT_2; 589 } 590 if (t->c_cflag & PARENB) { 591 if (t->c_cflag & PARODD) { 592 value |= UVSCOM_PARITY_ODD; 593 } else { 594 value |= UVSCOM_PARITY_EVEN; 595 } 596 } else { 597 value |= UVSCOM_PARITY_NONE; 598 } 599 600 switch (t->c_cflag & CSIZE) { 601 case CS5: 602 value |= UVSCOM_DATA_BIT_5; 603 break; 604 case CS6: 605 value |= UVSCOM_DATA_BIT_6; 606 break; 607 case CS7: 608 value |= UVSCOM_DATA_BIT_7; 609 break; 610 default: 611 case CS8: 612 value |= UVSCOM_DATA_BIT_8; 613 break; 614 } 615 616 uvscom_cfg_write(sc, UVSCOM_SET_PARAM, value); 617 } 618 619 static int 620 uvscom_pre_open(struct ucom_softc *ucom) 621 { 622 struct uvscom_softc *sc = ucom->sc_parent; 623 624 DPRINTF("sc = %p\n", sc); 625 626 /* check if PC card was inserted */ 627 628 if (sc->sc_unit_status & UVSCOM_NOCARD) { 629 DPRINTF("no PC card!\n"); 630 return (ENXIO); 631 } 632 return (0); 633 } 634 635 static void 636 uvscom_cfg_open(struct ucom_softc *ucom) 637 { 638 struct uvscom_softc *sc = ucom->sc_parent; 639 640 DPRINTF("sc = %p\n", sc); 641 642 uvscom_cfg_read_status(sc); 643 } 644 645 static void 646 uvscom_cfg_close(struct ucom_softc *ucom) 647 { 648 struct uvscom_softc *sc = ucom->sc_parent; 649 650 DPRINTF("sc=%p\n", sc); 651 652 uvscom_cfg_write(sc, UVSCOM_SHUTDOWN, 0); 653 } 654 655 static void 656 uvscom_start_read(struct ucom_softc *ucom) 657 { 658 struct uvscom_softc *sc = ucom->sc_parent; 659 660 usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_RD]); 661 } 662 663 static void 664 uvscom_stop_read(struct ucom_softc *ucom) 665 { 666 struct uvscom_softc *sc = ucom->sc_parent; 667 668 usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_RD]); 669 } 670 671 static void 672 uvscom_start_write(struct ucom_softc *ucom) 673 { 674 struct uvscom_softc *sc = ucom->sc_parent; 675 676 usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_WR]); 677 } 678 679 static void 680 uvscom_stop_write(struct ucom_softc *ucom) 681 { 682 struct uvscom_softc *sc = ucom->sc_parent; 683 684 usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_WR]); 685 } 686 687 static void 688 uvscom_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr) 689 { 690 struct uvscom_softc *sc = ucom->sc_parent; 691 692 *lsr = sc->sc_lsr; 693 *msr = sc->sc_msr; 694 } 695 696 static void 697 uvscom_cfg_write(struct uvscom_softc *sc, uint8_t index, uint16_t value) 698 { 699 struct usb_device_request req; 700 usb_error_t err; 701 702 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 703 req.bRequest = index; 704 USETW(req.wValue, value); 705 USETW(req.wIndex, 0); 706 USETW(req.wLength, 0); 707 708 err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 709 &req, NULL, 0, 1000); 710 if (err) { 711 DPRINTFN(0, "device request failed, err=%s " 712 "(ignored)\n", usbd_errstr(err)); 713 } 714 } 715 716 static uint16_t 717 uvscom_cfg_read_status(struct uvscom_softc *sc) 718 { 719 struct usb_device_request req; 720 usb_error_t err; 721 uint8_t data[2]; 722 723 req.bmRequestType = UT_READ_VENDOR_DEVICE; 724 req.bRequest = UVSCOM_READ_STATUS; 725 USETW(req.wValue, 0); 726 USETW(req.wIndex, 0); 727 USETW(req.wLength, 2); 728 729 err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 730 &req, data, 0, 1000); 731 if (err) { 732 DPRINTFN(0, "device request failed, err=%s " 733 "(ignored)\n", usbd_errstr(err)); 734 } 735 return (data[0] | (data[1] << 8)); 736 } 737