1 /* $NetBSD: usb/uvscom.c,v 1.1 2002/03/19 15:08:42 augustss Exp $ */ 2 3 /*- 4 * Copyright (c) 2001-2003, 2005 Shunsuke Akiyama <akiyama@jp.FreeBSD.org>. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 */ 29 30 /* 31 * uvscom: SUNTAC Slipper U VS-10U driver. 32 * Slipper U is a PC Card to USB converter for data communication card 33 * adapter. It supports DDI Pocket's Air H" C@rd, C@rd H" 64, NTT's P-in, 34 * P-in m@ater and various data communication card adapters. 35 */ 36 37 #include <sys/stdint.h> 38 #include <sys/param.h> 39 #include <sys/queue.h> 40 #include <sys/types.h> 41 #include <sys/systm.h> 42 #include <sys/kernel.h> 43 #include <sys/bus.h> 44 #include <sys/module.h> 45 #include <sys/lock.h> 46 #include <sys/condvar.h> 47 #include <sys/sysctl.h> 48 #include <sys/unistd.h> 49 #include <sys/callout.h> 50 #include <sys/malloc.h> 51 #include <sys/priv.h> 52 53 #include <bus/u4b/usb.h> 54 #include <bus/u4b/usbdi.h> 55 #include <bus/u4b/usbdi_util.h> 56 #include <bus/u4b/usbdevs.h> 57 58 #define USB_DEBUG_VAR uvscom_debug 59 #include <bus/u4b/usb_debug.h> 60 #include <bus/u4b/usb_process.h> 61 62 #include <bus/u4b/serial/usb_serial.h> 63 64 #ifdef USB_DEBUG 65 static int uvscom_debug = 0; 66 67 static SYSCTL_NODE(_hw_usb, OID_AUTO, uvscom, CTLFLAG_RW, 0, "USB uvscom"); 68 SYSCTL_INT(_hw_usb_uvscom, OID_AUTO, debug, CTLFLAG_RW, 69 &uvscom_debug, 0, "Debug level"); 70 #endif 71 72 #define UVSCOM_MODVER 1 /* module version */ 73 74 #define UVSCOM_CONFIG_INDEX 0 75 #define UVSCOM_IFACE_INDEX 0 76 77 /* Request */ 78 #define UVSCOM_SET_SPEED 0x10 79 #define UVSCOM_LINE_CTL 0x11 80 #define UVSCOM_SET_PARAM 0x12 81 #define UVSCOM_READ_STATUS 0xd0 82 #define UVSCOM_SHUTDOWN 0xe0 83 84 /* UVSCOM_SET_SPEED parameters */ 85 #define UVSCOM_SPEED_150BPS 0x00 86 #define UVSCOM_SPEED_300BPS 0x01 87 #define UVSCOM_SPEED_600BPS 0x02 88 #define UVSCOM_SPEED_1200BPS 0x03 89 #define UVSCOM_SPEED_2400BPS 0x04 90 #define UVSCOM_SPEED_4800BPS 0x05 91 #define UVSCOM_SPEED_9600BPS 0x06 92 #define UVSCOM_SPEED_19200BPS 0x07 93 #define UVSCOM_SPEED_38400BPS 0x08 94 #define UVSCOM_SPEED_57600BPS 0x09 95 #define UVSCOM_SPEED_115200BPS 0x0a 96 97 /* UVSCOM_LINE_CTL parameters */ 98 #define UVSCOM_BREAK 0x40 99 #define UVSCOM_RTS 0x02 100 #define UVSCOM_DTR 0x01 101 #define UVSCOM_LINE_INIT 0x08 102 103 /* UVSCOM_SET_PARAM parameters */ 104 #define UVSCOM_DATA_MASK 0x03 105 #define UVSCOM_DATA_BIT_8 0x03 106 #define UVSCOM_DATA_BIT_7 0x02 107 #define UVSCOM_DATA_BIT_6 0x01 108 #define UVSCOM_DATA_BIT_5 0x00 109 110 #define UVSCOM_STOP_MASK 0x04 111 #define UVSCOM_STOP_BIT_2 0x04 112 #define UVSCOM_STOP_BIT_1 0x00 113 114 #define UVSCOM_PARITY_MASK 0x18 115 #define UVSCOM_PARITY_EVEN 0x18 116 #define UVSCOM_PARITY_ODD 0x08 117 #define UVSCOM_PARITY_NONE 0x00 118 119 /* Status bits */ 120 #define UVSCOM_TXRDY 0x04 121 #define UVSCOM_RXRDY 0x01 122 123 #define UVSCOM_DCD 0x08 124 #define UVSCOM_NOCARD 0x04 125 #define UVSCOM_DSR 0x02 126 #define UVSCOM_CTS 0x01 127 #define UVSCOM_USTAT_MASK (UVSCOM_NOCARD | UVSCOM_DSR | UVSCOM_CTS) 128 129 #define UVSCOM_BULK_BUF_SIZE 1024 /* bytes */ 130 131 enum { 132 UVSCOM_BULK_DT_WR, 133 UVSCOM_BULK_DT_RD, 134 UVSCOM_INTR_DT_RD, 135 UVSCOM_N_TRANSFER, 136 }; 137 138 struct uvscom_softc { 139 struct ucom_super_softc sc_super_ucom; 140 struct ucom_softc sc_ucom; 141 142 struct usb_xfer *sc_xfer[UVSCOM_N_TRANSFER]; 143 struct usb_device *sc_udev; 144 struct lock sc_lock; 145 146 uint16_t sc_line; /* line control register */ 147 148 uint8_t sc_iface_no; /* interface number */ 149 uint8_t sc_iface_index; /* interface index */ 150 uint8_t sc_lsr; /* local status register */ 151 uint8_t sc_msr; /* uvscom status register */ 152 uint8_t sc_unit_status; /* unit status */ 153 }; 154 155 /* prototypes */ 156 157 static device_probe_t uvscom_probe; 158 static device_attach_t uvscom_attach; 159 static device_detach_t uvscom_detach; 160 161 static usb_callback_t uvscom_write_callback; 162 static usb_callback_t uvscom_read_callback; 163 static usb_callback_t uvscom_intr_callback; 164 165 static void uvscom_cfg_set_dtr(struct ucom_softc *, uint8_t); 166 static void uvscom_cfg_set_rts(struct ucom_softc *, uint8_t); 167 static void uvscom_cfg_set_break(struct ucom_softc *, uint8_t); 168 static int uvscom_pre_param(struct ucom_softc *, struct termios *); 169 static void uvscom_cfg_param(struct ucom_softc *, struct termios *); 170 static int uvscom_pre_open(struct ucom_softc *); 171 static void uvscom_cfg_open(struct ucom_softc *); 172 static void uvscom_cfg_close(struct ucom_softc *); 173 static void uvscom_start_read(struct ucom_softc *); 174 static void uvscom_stop_read(struct ucom_softc *); 175 static void uvscom_start_write(struct ucom_softc *); 176 static void uvscom_stop_write(struct ucom_softc *); 177 static void uvscom_cfg_get_status(struct ucom_softc *, uint8_t *, 178 uint8_t *); 179 static void uvscom_cfg_write(struct uvscom_softc *, uint8_t, uint16_t); 180 static uint16_t uvscom_cfg_read_status(struct uvscom_softc *); 181 static void uvscom_poll(struct ucom_softc *ucom); 182 183 static const struct usb_config uvscom_config[UVSCOM_N_TRANSFER] = { 184 185 [UVSCOM_BULK_DT_WR] = { 186 .type = UE_BULK, 187 .endpoint = UE_ADDR_ANY, 188 .direction = UE_DIR_OUT, 189 .bufsize = UVSCOM_BULK_BUF_SIZE, 190 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 191 .callback = &uvscom_write_callback, 192 }, 193 194 [UVSCOM_BULK_DT_RD] = { 195 .type = UE_BULK, 196 .endpoint = UE_ADDR_ANY, 197 .direction = UE_DIR_IN, 198 .bufsize = UVSCOM_BULK_BUF_SIZE, 199 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 200 .callback = &uvscom_read_callback, 201 }, 202 203 [UVSCOM_INTR_DT_RD] = { 204 .type = UE_INTERRUPT, 205 .endpoint = UE_ADDR_ANY, 206 .direction = UE_DIR_IN, 207 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 208 .bufsize = 0, /* use wMaxPacketSize */ 209 .callback = &uvscom_intr_callback, 210 }, 211 }; 212 213 static const struct ucom_callback uvscom_callback = { 214 .ucom_cfg_get_status = &uvscom_cfg_get_status, 215 .ucom_cfg_set_dtr = &uvscom_cfg_set_dtr, 216 .ucom_cfg_set_rts = &uvscom_cfg_set_rts, 217 .ucom_cfg_set_break = &uvscom_cfg_set_break, 218 .ucom_cfg_param = &uvscom_cfg_param, 219 .ucom_cfg_open = &uvscom_cfg_open, 220 .ucom_cfg_close = &uvscom_cfg_close, 221 .ucom_pre_open = &uvscom_pre_open, 222 .ucom_pre_param = &uvscom_pre_param, 223 .ucom_start_read = &uvscom_start_read, 224 .ucom_stop_read = &uvscom_stop_read, 225 .ucom_start_write = &uvscom_start_write, 226 .ucom_stop_write = &uvscom_stop_write, 227 .ucom_poll = &uvscom_poll, 228 }; 229 230 static const STRUCT_USB_HOST_ID uvscom_devs[] = { 231 /* SUNTAC U-Cable type A4 */ 232 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_AS144L4, 0)}, 233 /* SUNTAC U-Cable type D2 */ 234 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_DS96L, 0)}, 235 /* SUNTAC Ir-Trinity */ 236 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_IS96U, 0)}, 237 /* SUNTAC U-Cable type P1 */ 238 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_PS64P1, 0)}, 239 /* SUNTAC Slipper U */ 240 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_VS10U, 0)}, 241 }; 242 243 static device_method_t uvscom_methods[] = { 244 DEVMETHOD(device_probe, uvscom_probe), 245 DEVMETHOD(device_attach, uvscom_attach), 246 DEVMETHOD(device_detach, uvscom_detach), 247 DEVMETHOD_END 248 }; 249 250 static devclass_t uvscom_devclass; 251 252 static driver_t uvscom_driver = { 253 .name = "uvscom", 254 .methods = uvscom_methods, 255 .size = sizeof(struct uvscom_softc), 256 }; 257 258 DRIVER_MODULE(uvscom, uhub, uvscom_driver, uvscom_devclass, NULL, 0); 259 MODULE_DEPEND(uvscom, ucom, 1, 1, 1); 260 MODULE_DEPEND(uvscom, usb, 1, 1, 1); 261 MODULE_VERSION(uvscom, UVSCOM_MODVER); 262 263 static int 264 uvscom_probe(device_t dev) 265 { 266 struct usb_attach_arg *uaa = device_get_ivars(dev); 267 268 if (uaa->usb_mode != USB_MODE_HOST) { 269 return (ENXIO); 270 } 271 if (uaa->info.bConfigIndex != UVSCOM_CONFIG_INDEX) { 272 return (ENXIO); 273 } 274 if (uaa->info.bIfaceIndex != UVSCOM_IFACE_INDEX) { 275 return (ENXIO); 276 } 277 return (usbd_lookup_id_by_uaa(uvscom_devs, sizeof(uvscom_devs), uaa)); 278 } 279 280 static int 281 uvscom_attach(device_t dev) 282 { 283 struct usb_attach_arg *uaa = device_get_ivars(dev); 284 struct uvscom_softc *sc = device_get_softc(dev); 285 int error; 286 287 device_set_usb_desc(dev); 288 lockinit(&sc->sc_lock, "uvscom", 0, LK_CANRECURSE); 289 290 sc->sc_udev = uaa->device; 291 292 DPRINTF("sc=%p\n", sc); 293 294 sc->sc_iface_no = uaa->info.bIfaceNum; 295 sc->sc_iface_index = UVSCOM_IFACE_INDEX; 296 297 error = usbd_transfer_setup(uaa->device, &sc->sc_iface_index, 298 sc->sc_xfer, uvscom_config, UVSCOM_N_TRANSFER, sc, &sc->sc_lock); 299 300 if (error) { 301 DPRINTF("could not allocate all USB transfers!\n"); 302 goto detach; 303 } 304 sc->sc_line = UVSCOM_LINE_INIT; 305 306 /* clear stall at first run */ 307 lockmgr(&sc->sc_lock, LK_EXCLUSIVE); 308 usbd_xfer_set_stall(sc->sc_xfer[UVSCOM_BULK_DT_WR]); 309 usbd_xfer_set_stall(sc->sc_xfer[UVSCOM_BULK_DT_RD]); 310 lockmgr(&sc->sc_lock, LK_RELEASE); 311 312 error = ucom_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc, 313 &uvscom_callback, &sc->sc_lock); 314 if (error) { 315 goto detach; 316 } 317 ucom_set_pnpinfo_usb(&sc->sc_super_ucom, dev); 318 319 /* start interrupt pipe */ 320 lockmgr(&sc->sc_lock, LK_EXCLUSIVE); 321 usbd_transfer_start(sc->sc_xfer[UVSCOM_INTR_DT_RD]); 322 lockmgr(&sc->sc_lock, LK_RELEASE); 323 324 return (0); 325 326 detach: 327 uvscom_detach(dev); 328 return (ENXIO); 329 } 330 331 static int 332 uvscom_detach(device_t dev) 333 { 334 struct uvscom_softc *sc = device_get_softc(dev); 335 336 DPRINTF("sc=%p\n", sc); 337 338 /* stop interrupt pipe */ 339 340 if (sc->sc_xfer[UVSCOM_INTR_DT_RD]) 341 usbd_transfer_stop(sc->sc_xfer[UVSCOM_INTR_DT_RD]); 342 343 ucom_detach(&sc->sc_super_ucom, &sc->sc_ucom); 344 usbd_transfer_unsetup(sc->sc_xfer, UVSCOM_N_TRANSFER); 345 lockuninit(&sc->sc_lock); 346 347 return (0); 348 } 349 350 static void 351 uvscom_write_callback(struct usb_xfer *xfer, usb_error_t error) 352 { 353 struct uvscom_softc *sc = usbd_xfer_softc(xfer); 354 struct usb_page_cache *pc; 355 uint32_t actlen; 356 357 switch (USB_GET_STATE(xfer)) { 358 case USB_ST_SETUP: 359 case USB_ST_TRANSFERRED: 360 tr_setup: 361 pc = usbd_xfer_get_frame(xfer, 0); 362 if (ucom_get_data(&sc->sc_ucom, pc, 0, 363 UVSCOM_BULK_BUF_SIZE, &actlen)) { 364 365 usbd_xfer_set_frame_len(xfer, 0, actlen); 366 usbd_transfer_submit(xfer); 367 } 368 return; 369 370 default: /* Error */ 371 if (error != USB_ERR_CANCELLED) { 372 /* try to clear stall first */ 373 usbd_xfer_set_stall(xfer); 374 goto tr_setup; 375 } 376 return; 377 } 378 } 379 380 static void 381 uvscom_read_callback(struct usb_xfer *xfer, usb_error_t error) 382 { 383 struct uvscom_softc *sc = usbd_xfer_softc(xfer); 384 struct usb_page_cache *pc; 385 int actlen; 386 387 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 388 389 switch (USB_GET_STATE(xfer)) { 390 case USB_ST_TRANSFERRED: 391 pc = usbd_xfer_get_frame(xfer, 0); 392 ucom_put_data(&sc->sc_ucom, pc, 0, actlen); 393 394 case USB_ST_SETUP: 395 tr_setup: 396 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 397 usbd_transfer_submit(xfer); 398 return; 399 400 default: /* Error */ 401 if (error != USB_ERR_CANCELLED) { 402 /* try to clear stall first */ 403 usbd_xfer_set_stall(xfer); 404 goto tr_setup; 405 } 406 return; 407 } 408 } 409 410 static void 411 uvscom_intr_callback(struct usb_xfer *xfer, usb_error_t error) 412 { 413 struct uvscom_softc *sc = usbd_xfer_softc(xfer); 414 struct usb_page_cache *pc; 415 uint8_t buf[2]; 416 int actlen; 417 418 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 419 420 switch (USB_GET_STATE(xfer)) { 421 case USB_ST_TRANSFERRED: 422 if (actlen >= 2) { 423 424 pc = usbd_xfer_get_frame(xfer, 0); 425 usbd_copy_out(pc, 0, buf, sizeof(buf)); 426 427 sc->sc_lsr = 0; 428 sc->sc_msr = 0; 429 sc->sc_unit_status = buf[1]; 430 431 if (buf[0] & UVSCOM_TXRDY) { 432 sc->sc_lsr |= ULSR_TXRDY; 433 } 434 if (buf[0] & UVSCOM_RXRDY) { 435 sc->sc_lsr |= ULSR_RXRDY; 436 } 437 if (buf[1] & UVSCOM_CTS) { 438 sc->sc_msr |= SER_CTS; 439 } 440 if (buf[1] & UVSCOM_DSR) { 441 sc->sc_msr |= SER_DSR; 442 } 443 if (buf[1] & UVSCOM_DCD) { 444 sc->sc_msr |= SER_DCD; 445 } 446 /* 447 * the UCOM layer will ignore this call if the TTY 448 * device is closed! 449 */ 450 ucom_status_change(&sc->sc_ucom); 451 } 452 case USB_ST_SETUP: 453 tr_setup: 454 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 455 usbd_transfer_submit(xfer); 456 return; 457 458 default: /* Error */ 459 if (error != USB_ERR_CANCELLED) { 460 /* try to clear stall first */ 461 usbd_xfer_set_stall(xfer); 462 goto tr_setup; 463 } 464 return; 465 } 466 } 467 468 static void 469 uvscom_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff) 470 { 471 struct uvscom_softc *sc = ucom->sc_parent; 472 473 DPRINTF("onoff = %d\n", onoff); 474 475 if (onoff) 476 sc->sc_line |= UVSCOM_DTR; 477 else 478 sc->sc_line &= ~UVSCOM_DTR; 479 480 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line); 481 } 482 483 static void 484 uvscom_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff) 485 { 486 struct uvscom_softc *sc = ucom->sc_parent; 487 488 DPRINTF("onoff = %d\n", onoff); 489 490 if (onoff) 491 sc->sc_line |= UVSCOM_RTS; 492 else 493 sc->sc_line &= ~UVSCOM_RTS; 494 495 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line); 496 } 497 498 static void 499 uvscom_cfg_set_break(struct ucom_softc *ucom, uint8_t onoff) 500 { 501 struct uvscom_softc *sc = ucom->sc_parent; 502 503 DPRINTF("onoff = %d\n", onoff); 504 505 if (onoff) 506 sc->sc_line |= UVSCOM_BREAK; 507 else 508 sc->sc_line &= ~UVSCOM_BREAK; 509 510 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line); 511 } 512 513 static int 514 uvscom_pre_param(struct ucom_softc *ucom, struct termios *t) 515 { 516 switch (t->c_ospeed) { 517 case B150: 518 case B300: 519 case B600: 520 case B1200: 521 case B2400: 522 case B4800: 523 case B9600: 524 case B19200: 525 case B38400: 526 case B57600: 527 case B115200: 528 default: 529 return (EINVAL); 530 } 531 return (0); 532 } 533 534 static void 535 uvscom_cfg_param(struct ucom_softc *ucom, struct termios *t) 536 { 537 struct uvscom_softc *sc = ucom->sc_parent; 538 uint16_t value; 539 540 DPRINTF("\n"); 541 542 switch (t->c_ospeed) { 543 case B150: 544 value = UVSCOM_SPEED_150BPS; 545 break; 546 case B300: 547 value = UVSCOM_SPEED_300BPS; 548 break; 549 case B600: 550 value = UVSCOM_SPEED_600BPS; 551 break; 552 case B1200: 553 value = UVSCOM_SPEED_1200BPS; 554 break; 555 case B2400: 556 value = UVSCOM_SPEED_2400BPS; 557 break; 558 case B4800: 559 value = UVSCOM_SPEED_4800BPS; 560 break; 561 case B9600: 562 value = UVSCOM_SPEED_9600BPS; 563 break; 564 case B19200: 565 value = UVSCOM_SPEED_19200BPS; 566 break; 567 case B38400: 568 value = UVSCOM_SPEED_38400BPS; 569 break; 570 case B57600: 571 value = UVSCOM_SPEED_57600BPS; 572 break; 573 case B115200: 574 value = UVSCOM_SPEED_115200BPS; 575 break; 576 default: 577 return; 578 } 579 580 uvscom_cfg_write(sc, UVSCOM_SET_SPEED, value); 581 582 value = 0; 583 584 if (t->c_cflag & CSTOPB) { 585 value |= UVSCOM_STOP_BIT_2; 586 } 587 if (t->c_cflag & PARENB) { 588 if (t->c_cflag & PARODD) { 589 value |= UVSCOM_PARITY_ODD; 590 } else { 591 value |= UVSCOM_PARITY_EVEN; 592 } 593 } else { 594 value |= UVSCOM_PARITY_NONE; 595 } 596 597 switch (t->c_cflag & CSIZE) { 598 case CS5: 599 value |= UVSCOM_DATA_BIT_5; 600 break; 601 case CS6: 602 value |= UVSCOM_DATA_BIT_6; 603 break; 604 case CS7: 605 value |= UVSCOM_DATA_BIT_7; 606 break; 607 default: 608 case CS8: 609 value |= UVSCOM_DATA_BIT_8; 610 break; 611 } 612 613 uvscom_cfg_write(sc, UVSCOM_SET_PARAM, value); 614 } 615 616 static int 617 uvscom_pre_open(struct ucom_softc *ucom) 618 { 619 struct uvscom_softc *sc = ucom->sc_parent; 620 621 DPRINTF("sc = %p\n", sc); 622 623 /* check if PC card was inserted */ 624 625 if (sc->sc_unit_status & UVSCOM_NOCARD) { 626 DPRINTF("no PC card!\n"); 627 return (ENXIO); 628 } 629 return (0); 630 } 631 632 static void 633 uvscom_cfg_open(struct ucom_softc *ucom) 634 { 635 struct uvscom_softc *sc = ucom->sc_parent; 636 637 DPRINTF("sc = %p\n", sc); 638 639 uvscom_cfg_read_status(sc); 640 } 641 642 static void 643 uvscom_cfg_close(struct ucom_softc *ucom) 644 { 645 struct uvscom_softc *sc = ucom->sc_parent; 646 647 DPRINTF("sc=%p\n", sc); 648 649 uvscom_cfg_write(sc, UVSCOM_SHUTDOWN, 0); 650 } 651 652 static void 653 uvscom_start_read(struct ucom_softc *ucom) 654 { 655 struct uvscom_softc *sc = ucom->sc_parent; 656 657 usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_RD]); 658 } 659 660 static void 661 uvscom_stop_read(struct ucom_softc *ucom) 662 { 663 struct uvscom_softc *sc = ucom->sc_parent; 664 665 usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_RD]); 666 } 667 668 static void 669 uvscom_start_write(struct ucom_softc *ucom) 670 { 671 struct uvscom_softc *sc = ucom->sc_parent; 672 673 usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_WR]); 674 } 675 676 static void 677 uvscom_stop_write(struct ucom_softc *ucom) 678 { 679 struct uvscom_softc *sc = ucom->sc_parent; 680 681 usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_WR]); 682 } 683 684 static void 685 uvscom_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr) 686 { 687 struct uvscom_softc *sc = ucom->sc_parent; 688 689 *lsr = sc->sc_lsr; 690 *msr = sc->sc_msr; 691 } 692 693 static void 694 uvscom_cfg_write(struct uvscom_softc *sc, uint8_t index, uint16_t value) 695 { 696 struct usb_device_request req; 697 usb_error_t err; 698 699 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 700 req.bRequest = index; 701 USETW(req.wValue, value); 702 USETW(req.wIndex, 0); 703 USETW(req.wLength, 0); 704 705 err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 706 &req, NULL, 0, 1000); 707 if (err) { 708 DPRINTFN(0, "device request failed, err=%s " 709 "(ignored)\n", usbd_errstr(err)); 710 } 711 } 712 713 static uint16_t 714 uvscom_cfg_read_status(struct uvscom_softc *sc) 715 { 716 struct usb_device_request req; 717 usb_error_t err; 718 uint8_t data[2]; 719 720 req.bmRequestType = UT_READ_VENDOR_DEVICE; 721 req.bRequest = UVSCOM_READ_STATUS; 722 USETW(req.wValue, 0); 723 USETW(req.wIndex, 0); 724 USETW(req.wLength, 2); 725 726 err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 727 &req, data, 0, 1000); 728 if (err) { 729 DPRINTFN(0, "device request failed, err=%s " 730 "(ignored)\n", usbd_errstr(err)); 731 } 732 return (data[0] | (data[1] << 8)); 733 } 734 735 static void 736 uvscom_poll(struct ucom_softc *ucom) 737 { 738 struct uvscom_softc *sc = ucom->sc_parent; 739 usbd_transfer_poll(sc->sc_xfer, UVSCOM_N_TRANSFER); 740 } 741