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/caps.h> 52 #include <sys/serial.h> 53 54 #include <bus/u4b/usb.h> 55 #include <bus/u4b/usbdi.h> 56 #include <bus/u4b/usbdi_util.h> 57 #include "usbdevs.h" 58 59 #define USB_DEBUG_VAR uvscom_debug 60 #include <bus/u4b/usb_debug.h> 61 #include <bus/u4b/usb_process.h> 62 63 #include <bus/u4b/serial/usb_serial.h> 64 65 #ifdef USB_DEBUG 66 static int uvscom_debug = 0; 67 68 static SYSCTL_NODE(_hw_usb, OID_AUTO, uvscom, CTLFLAG_RW, 0, "USB uvscom"); 69 SYSCTL_INT(_hw_usb_uvscom, OID_AUTO, debug, CTLFLAG_RW, 70 &uvscom_debug, 0, "Debug level"); 71 #endif 72 73 #define UVSCOM_MODVER 1 /* module version */ 74 75 #define UVSCOM_CONFIG_INDEX 0 76 #define UVSCOM_IFACE_INDEX 0 77 78 /* Request */ 79 #define UVSCOM_SET_SPEED 0x10 80 #define UVSCOM_LINE_CTL 0x11 81 #define UVSCOM_SET_PARAM 0x12 82 #define UVSCOM_READ_STATUS 0xd0 83 #define UVSCOM_SHUTDOWN 0xe0 84 85 /* UVSCOM_SET_SPEED parameters */ 86 #define UVSCOM_SPEED_150BPS 0x00 87 #define UVSCOM_SPEED_300BPS 0x01 88 #define UVSCOM_SPEED_600BPS 0x02 89 #define UVSCOM_SPEED_1200BPS 0x03 90 #define UVSCOM_SPEED_2400BPS 0x04 91 #define UVSCOM_SPEED_4800BPS 0x05 92 #define UVSCOM_SPEED_9600BPS 0x06 93 #define UVSCOM_SPEED_19200BPS 0x07 94 #define UVSCOM_SPEED_38400BPS 0x08 95 #define UVSCOM_SPEED_57600BPS 0x09 96 #define UVSCOM_SPEED_115200BPS 0x0a 97 98 /* UVSCOM_LINE_CTL parameters */ 99 #define UVSCOM_BREAK 0x40 100 #define UVSCOM_RTS 0x02 101 #define UVSCOM_DTR 0x01 102 #define UVSCOM_LINE_INIT 0x08 103 104 /* UVSCOM_SET_PARAM parameters */ 105 #define UVSCOM_DATA_MASK 0x03 106 #define UVSCOM_DATA_BIT_8 0x03 107 #define UVSCOM_DATA_BIT_7 0x02 108 #define UVSCOM_DATA_BIT_6 0x01 109 #define UVSCOM_DATA_BIT_5 0x00 110 111 #define UVSCOM_STOP_MASK 0x04 112 #define UVSCOM_STOP_BIT_2 0x04 113 #define UVSCOM_STOP_BIT_1 0x00 114 115 #define UVSCOM_PARITY_MASK 0x18 116 #define UVSCOM_PARITY_EVEN 0x18 117 #define UVSCOM_PARITY_ODD 0x08 118 #define UVSCOM_PARITY_NONE 0x00 119 120 /* Status bits */ 121 #define UVSCOM_TXRDY 0x04 122 #define UVSCOM_RXRDY 0x01 123 124 #define UVSCOM_DCD 0x08 125 #define UVSCOM_NOCARD 0x04 126 #define UVSCOM_DSR 0x02 127 #define UVSCOM_CTS 0x01 128 #define UVSCOM_USTAT_MASK (UVSCOM_NOCARD | UVSCOM_DSR | UVSCOM_CTS) 129 130 #define UVSCOM_BULK_BUF_SIZE 1024 /* bytes */ 131 132 enum { 133 UVSCOM_BULK_DT_WR, 134 UVSCOM_BULK_DT_RD, 135 UVSCOM_INTR_DT_RD, 136 UVSCOM_N_TRANSFER, 137 }; 138 139 struct uvscom_softc { 140 struct ucom_super_softc sc_super_ucom; 141 struct ucom_softc sc_ucom; 142 143 struct usb_xfer *sc_xfer[UVSCOM_N_TRANSFER]; 144 struct usb_device *sc_udev; 145 struct lock sc_lock; 146 147 uint16_t sc_line; /* line control register */ 148 149 uint8_t sc_iface_no; /* interface number */ 150 uint8_t sc_iface_index; /* interface index */ 151 uint8_t sc_lsr; /* local status register */ 152 uint8_t sc_msr; /* uvscom status register */ 153 uint8_t sc_unit_status; /* unit status */ 154 }; 155 156 /* prototypes */ 157 158 static device_probe_t uvscom_probe; 159 static device_attach_t uvscom_attach; 160 static device_detach_t uvscom_detach; 161 162 static usb_callback_t uvscom_write_callback; 163 static usb_callback_t uvscom_read_callback; 164 static usb_callback_t uvscom_intr_callback; 165 166 static void uvscom_cfg_set_dtr(struct ucom_softc *, uint8_t); 167 static void uvscom_cfg_set_rts(struct ucom_softc *, uint8_t); 168 static void uvscom_cfg_set_break(struct ucom_softc *, uint8_t); 169 static int uvscom_pre_param(struct ucom_softc *, struct termios *); 170 static void uvscom_cfg_param(struct ucom_softc *, struct termios *); 171 static int uvscom_pre_open(struct ucom_softc *); 172 static void uvscom_cfg_open(struct ucom_softc *); 173 static void uvscom_cfg_close(struct ucom_softc *); 174 static void uvscom_start_read(struct ucom_softc *); 175 static void uvscom_stop_read(struct ucom_softc *); 176 static void uvscom_start_write(struct ucom_softc *); 177 static void uvscom_stop_write(struct ucom_softc *); 178 static void uvscom_cfg_get_status(struct ucom_softc *, uint8_t *, 179 uint8_t *); 180 static void uvscom_cfg_write(struct uvscom_softc *, uint8_t, uint16_t); 181 static uint16_t uvscom_cfg_read_status(struct uvscom_softc *); 182 static void uvscom_poll(struct ucom_softc *ucom); 183 184 static const struct usb_config uvscom_config[UVSCOM_N_TRANSFER] = { 185 186 [UVSCOM_BULK_DT_WR] = { 187 .type = UE_BULK, 188 .endpoint = UE_ADDR_ANY, 189 .direction = UE_DIR_OUT, 190 .bufsize = UVSCOM_BULK_BUF_SIZE, 191 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 192 .callback = &uvscom_write_callback, 193 }, 194 195 [UVSCOM_BULK_DT_RD] = { 196 .type = UE_BULK, 197 .endpoint = UE_ADDR_ANY, 198 .direction = UE_DIR_IN, 199 .bufsize = UVSCOM_BULK_BUF_SIZE, 200 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 201 .callback = &uvscom_read_callback, 202 }, 203 204 [UVSCOM_INTR_DT_RD] = { 205 .type = UE_INTERRUPT, 206 .endpoint = UE_ADDR_ANY, 207 .direction = UE_DIR_IN, 208 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 209 .bufsize = 0, /* use wMaxPacketSize */ 210 .callback = &uvscom_intr_callback, 211 }, 212 }; 213 214 static const struct ucom_callback uvscom_callback = { 215 .ucom_cfg_get_status = &uvscom_cfg_get_status, 216 .ucom_cfg_set_dtr = &uvscom_cfg_set_dtr, 217 .ucom_cfg_set_rts = &uvscom_cfg_set_rts, 218 .ucom_cfg_set_break = &uvscom_cfg_set_break, 219 .ucom_cfg_param = &uvscom_cfg_param, 220 .ucom_cfg_open = &uvscom_cfg_open, 221 .ucom_cfg_close = &uvscom_cfg_close, 222 .ucom_pre_open = &uvscom_pre_open, 223 .ucom_pre_param = &uvscom_pre_param, 224 .ucom_start_read = &uvscom_start_read, 225 .ucom_stop_read = &uvscom_stop_read, 226 .ucom_start_write = &uvscom_start_write, 227 .ucom_stop_write = &uvscom_stop_write, 228 .ucom_poll = &uvscom_poll, 229 }; 230 231 static const STRUCT_USB_HOST_ID uvscom_devs[] = { 232 /* SUNTAC U-Cable type A4 */ 233 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_AS144L4, 0)}, 234 /* SUNTAC U-Cable type D2 */ 235 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_DS96L, 0)}, 236 /* SUNTAC Ir-Trinity */ 237 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_IS96U, 0)}, 238 /* SUNTAC U-Cable type P1 */ 239 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_PS64P1, 0)}, 240 /* SUNTAC Slipper U */ 241 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_VS10U, 0)}, 242 }; 243 244 static device_method_t uvscom_methods[] = { 245 DEVMETHOD(device_probe, uvscom_probe), 246 DEVMETHOD(device_attach, uvscom_attach), 247 DEVMETHOD(device_detach, uvscom_detach), 248 DEVMETHOD_END 249 }; 250 251 static devclass_t uvscom_devclass; 252 253 static driver_t uvscom_driver = { 254 .name = "uvscom", 255 .methods = uvscom_methods, 256 .size = sizeof(struct uvscom_softc), 257 }; 258 259 DRIVER_MODULE(uvscom, uhub, uvscom_driver, uvscom_devclass, NULL, NULL); 260 MODULE_DEPEND(uvscom, ucom, 1, 1, 1); 261 MODULE_DEPEND(uvscom, usb, 1, 1, 1); 262 MODULE_VERSION(uvscom, UVSCOM_MODVER); 263 264 static int 265 uvscom_probe(device_t dev) 266 { 267 struct usb_attach_arg *uaa = device_get_ivars(dev); 268 269 if (uaa->usb_mode != USB_MODE_HOST) { 270 return (ENXIO); 271 } 272 if (uaa->info.bConfigIndex != UVSCOM_CONFIG_INDEX) { 273 return (ENXIO); 274 } 275 if (uaa->info.bIfaceIndex != UVSCOM_IFACE_INDEX) { 276 return (ENXIO); 277 } 278 return (usbd_lookup_id_by_uaa(uvscom_devs, sizeof(uvscom_devs), uaa)); 279 } 280 281 static int 282 uvscom_attach(device_t dev) 283 { 284 struct usb_attach_arg *uaa = device_get_ivars(dev); 285 struct uvscom_softc *sc = device_get_softc(dev); 286 int error; 287 288 device_set_usb_desc(dev); 289 lockinit(&sc->sc_lock, "uvscom", 0, LK_CANRECURSE); 290 291 sc->sc_udev = uaa->device; 292 293 DPRINTF("sc=%p\n", sc); 294 295 sc->sc_iface_no = uaa->info.bIfaceNum; 296 sc->sc_iface_index = UVSCOM_IFACE_INDEX; 297 298 error = usbd_transfer_setup(uaa->device, &sc->sc_iface_index, 299 sc->sc_xfer, uvscom_config, UVSCOM_N_TRANSFER, sc, &sc->sc_lock); 300 301 if (error) { 302 DPRINTF("could not allocate all USB transfers!\n"); 303 goto detach; 304 } 305 sc->sc_line = UVSCOM_LINE_INIT; 306 307 /* clear stall at first run */ 308 lockmgr(&sc->sc_lock, LK_EXCLUSIVE); 309 usbd_xfer_set_stall(sc->sc_xfer[UVSCOM_BULK_DT_WR]); 310 usbd_xfer_set_stall(sc->sc_xfer[UVSCOM_BULK_DT_RD]); 311 lockmgr(&sc->sc_lock, LK_RELEASE); 312 313 error = ucom_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc, 314 &uvscom_callback, &sc->sc_lock); 315 if (error) { 316 goto detach; 317 } 318 ucom_set_pnpinfo_usb(&sc->sc_super_ucom, dev); 319 320 /* start interrupt pipe */ 321 lockmgr(&sc->sc_lock, LK_EXCLUSIVE); 322 usbd_transfer_start(sc->sc_xfer[UVSCOM_INTR_DT_RD]); 323 lockmgr(&sc->sc_lock, LK_RELEASE); 324 325 return (0); 326 327 detach: 328 uvscom_detach(dev); 329 return (ENXIO); 330 } 331 332 static int 333 uvscom_detach(device_t dev) 334 { 335 struct uvscom_softc *sc = device_get_softc(dev); 336 337 DPRINTF("sc=%p\n", sc); 338 339 /* stop interrupt pipe */ 340 341 if (sc->sc_xfer[UVSCOM_INTR_DT_RD]) 342 usbd_transfer_stop(sc->sc_xfer[UVSCOM_INTR_DT_RD]); 343 344 ucom_detach(&sc->sc_super_ucom, &sc->sc_ucom); 345 usbd_transfer_unsetup(sc->sc_xfer, UVSCOM_N_TRANSFER); 346 lockuninit(&sc->sc_lock); 347 348 return (0); 349 } 350 351 static void 352 uvscom_write_callback(struct usb_xfer *xfer, usb_error_t error) 353 { 354 struct uvscom_softc *sc = usbd_xfer_softc(xfer); 355 struct usb_page_cache *pc; 356 uint32_t actlen; 357 358 switch (USB_GET_STATE(xfer)) { 359 case USB_ST_SETUP: 360 case USB_ST_TRANSFERRED: 361 tr_setup: 362 pc = usbd_xfer_get_frame(xfer, 0); 363 if (ucom_get_data(&sc->sc_ucom, pc, 0, 364 UVSCOM_BULK_BUF_SIZE, &actlen)) { 365 366 usbd_xfer_set_frame_len(xfer, 0, actlen); 367 usbd_transfer_submit(xfer); 368 } 369 return; 370 371 default: /* Error */ 372 if (error != USB_ERR_CANCELLED) { 373 /* try to clear stall first */ 374 usbd_xfer_set_stall(xfer); 375 goto tr_setup; 376 } 377 return; 378 } 379 } 380 381 static void 382 uvscom_read_callback(struct usb_xfer *xfer, usb_error_t error) 383 { 384 struct uvscom_softc *sc = usbd_xfer_softc(xfer); 385 struct usb_page_cache *pc; 386 int actlen; 387 388 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 389 390 switch (USB_GET_STATE(xfer)) { 391 case USB_ST_TRANSFERRED: 392 pc = usbd_xfer_get_frame(xfer, 0); 393 ucom_put_data(&sc->sc_ucom, pc, 0, actlen); 394 395 case USB_ST_SETUP: 396 tr_setup: 397 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 398 usbd_transfer_submit(xfer); 399 return; 400 401 default: /* Error */ 402 if (error != USB_ERR_CANCELLED) { 403 /* try to clear stall first */ 404 usbd_xfer_set_stall(xfer); 405 goto tr_setup; 406 } 407 return; 408 } 409 } 410 411 static void 412 uvscom_intr_callback(struct usb_xfer *xfer, usb_error_t error) 413 { 414 struct uvscom_softc *sc = usbd_xfer_softc(xfer); 415 struct usb_page_cache *pc; 416 uint8_t buf[2]; 417 int actlen; 418 419 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 420 421 switch (USB_GET_STATE(xfer)) { 422 case USB_ST_TRANSFERRED: 423 if (actlen >= 2) { 424 425 pc = usbd_xfer_get_frame(xfer, 0); 426 usbd_copy_out(pc, 0, buf, sizeof(buf)); 427 428 sc->sc_lsr = 0; 429 sc->sc_msr = 0; 430 sc->sc_unit_status = buf[1]; 431 432 if (buf[0] & UVSCOM_TXRDY) { 433 sc->sc_lsr |= ULSR_TXRDY; 434 } 435 if (buf[0] & UVSCOM_RXRDY) { 436 sc->sc_lsr |= ULSR_RXRDY; 437 } 438 if (buf[1] & UVSCOM_CTS) { 439 sc->sc_msr |= SER_CTS; 440 } 441 if (buf[1] & UVSCOM_DSR) { 442 sc->sc_msr |= SER_DSR; 443 } 444 if (buf[1] & UVSCOM_DCD) { 445 sc->sc_msr |= SER_DCD; 446 } 447 /* 448 * the UCOM layer will ignore this call if the TTY 449 * device is closed! 450 */ 451 ucom_status_change(&sc->sc_ucom); 452 } 453 case USB_ST_SETUP: 454 tr_setup: 455 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 456 usbd_transfer_submit(xfer); 457 return; 458 459 default: /* Error */ 460 if (error != USB_ERR_CANCELLED) { 461 /* try to clear stall first */ 462 usbd_xfer_set_stall(xfer); 463 goto tr_setup; 464 } 465 return; 466 } 467 } 468 469 static void 470 uvscom_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff) 471 { 472 struct uvscom_softc *sc = ucom->sc_parent; 473 474 DPRINTF("onoff = %d\n", onoff); 475 476 if (onoff) 477 sc->sc_line |= UVSCOM_DTR; 478 else 479 sc->sc_line &= ~UVSCOM_DTR; 480 481 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line); 482 } 483 484 static void 485 uvscom_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff) 486 { 487 struct uvscom_softc *sc = ucom->sc_parent; 488 489 DPRINTF("onoff = %d\n", onoff); 490 491 if (onoff) 492 sc->sc_line |= UVSCOM_RTS; 493 else 494 sc->sc_line &= ~UVSCOM_RTS; 495 496 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line); 497 } 498 499 static void 500 uvscom_cfg_set_break(struct ucom_softc *ucom, uint8_t onoff) 501 { 502 struct uvscom_softc *sc = ucom->sc_parent; 503 504 DPRINTF("onoff = %d\n", onoff); 505 506 if (onoff) 507 sc->sc_line |= UVSCOM_BREAK; 508 else 509 sc->sc_line &= ~UVSCOM_BREAK; 510 511 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line); 512 } 513 514 static int 515 uvscom_pre_param(struct ucom_softc *ucom, struct termios *t) 516 { 517 switch (t->c_ospeed) { 518 case B150: 519 case B300: 520 case B600: 521 case B1200: 522 case B2400: 523 case B4800: 524 case B9600: 525 case B19200: 526 case B38400: 527 case B57600: 528 case B115200: 529 default: 530 return (EINVAL); 531 } 532 return (0); 533 } 534 535 static void 536 uvscom_cfg_param(struct ucom_softc *ucom, struct termios *t) 537 { 538 struct uvscom_softc *sc = ucom->sc_parent; 539 uint16_t value; 540 541 DPRINTF("\n"); 542 543 switch (t->c_ospeed) { 544 case B150: 545 value = UVSCOM_SPEED_150BPS; 546 break; 547 case B300: 548 value = UVSCOM_SPEED_300BPS; 549 break; 550 case B600: 551 value = UVSCOM_SPEED_600BPS; 552 break; 553 case B1200: 554 value = UVSCOM_SPEED_1200BPS; 555 break; 556 case B2400: 557 value = UVSCOM_SPEED_2400BPS; 558 break; 559 case B4800: 560 value = UVSCOM_SPEED_4800BPS; 561 break; 562 case B9600: 563 value = UVSCOM_SPEED_9600BPS; 564 break; 565 case B19200: 566 value = UVSCOM_SPEED_19200BPS; 567 break; 568 case B38400: 569 value = UVSCOM_SPEED_38400BPS; 570 break; 571 case B57600: 572 value = UVSCOM_SPEED_57600BPS; 573 break; 574 case B115200: 575 value = UVSCOM_SPEED_115200BPS; 576 break; 577 default: 578 return; 579 } 580 581 uvscom_cfg_write(sc, UVSCOM_SET_SPEED, value); 582 583 value = 0; 584 585 if (t->c_cflag & CSTOPB) { 586 value |= UVSCOM_STOP_BIT_2; 587 } 588 if (t->c_cflag & PARENB) { 589 if (t->c_cflag & PARODD) { 590 value |= UVSCOM_PARITY_ODD; 591 } else { 592 value |= UVSCOM_PARITY_EVEN; 593 } 594 } else { 595 value |= UVSCOM_PARITY_NONE; 596 } 597 598 switch (t->c_cflag & CSIZE) { 599 case CS5: 600 value |= UVSCOM_DATA_BIT_5; 601 break; 602 case CS6: 603 value |= UVSCOM_DATA_BIT_6; 604 break; 605 case CS7: 606 value |= UVSCOM_DATA_BIT_7; 607 break; 608 default: 609 case CS8: 610 value |= UVSCOM_DATA_BIT_8; 611 break; 612 } 613 614 uvscom_cfg_write(sc, UVSCOM_SET_PARAM, value); 615 } 616 617 static int 618 uvscom_pre_open(struct ucom_softc *ucom) 619 { 620 struct uvscom_softc *sc = ucom->sc_parent; 621 622 DPRINTF("sc = %p\n", sc); 623 624 /* check if PC card was inserted */ 625 626 if (sc->sc_unit_status & UVSCOM_NOCARD) { 627 DPRINTF("no PC card!\n"); 628 return (ENXIO); 629 } 630 return (0); 631 } 632 633 static void 634 uvscom_cfg_open(struct ucom_softc *ucom) 635 { 636 struct uvscom_softc *sc = ucom->sc_parent; 637 638 DPRINTF("sc = %p\n", sc); 639 640 uvscom_cfg_read_status(sc); 641 } 642 643 static void 644 uvscom_cfg_close(struct ucom_softc *ucom) 645 { 646 struct uvscom_softc *sc = ucom->sc_parent; 647 648 DPRINTF("sc=%p\n", sc); 649 650 uvscom_cfg_write(sc, UVSCOM_SHUTDOWN, 0); 651 } 652 653 static void 654 uvscom_start_read(struct ucom_softc *ucom) 655 { 656 struct uvscom_softc *sc = ucom->sc_parent; 657 658 usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_RD]); 659 } 660 661 static void 662 uvscom_stop_read(struct ucom_softc *ucom) 663 { 664 struct uvscom_softc *sc = ucom->sc_parent; 665 666 usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_RD]); 667 } 668 669 static void 670 uvscom_start_write(struct ucom_softc *ucom) 671 { 672 struct uvscom_softc *sc = ucom->sc_parent; 673 674 usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_WR]); 675 } 676 677 static void 678 uvscom_stop_write(struct ucom_softc *ucom) 679 { 680 struct uvscom_softc *sc = ucom->sc_parent; 681 682 usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_WR]); 683 } 684 685 static void 686 uvscom_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr) 687 { 688 struct uvscom_softc *sc = ucom->sc_parent; 689 690 *lsr = sc->sc_lsr; 691 *msr = sc->sc_msr; 692 } 693 694 static void 695 uvscom_cfg_write(struct uvscom_softc *sc, uint8_t index, uint16_t value) 696 { 697 struct usb_device_request req; 698 usb_error_t err; 699 700 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 701 req.bRequest = index; 702 USETW(req.wValue, value); 703 USETW(req.wIndex, 0); 704 USETW(req.wLength, 0); 705 706 err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 707 &req, NULL, 0, 1000); 708 if (err) { 709 DPRINTFN(0, "device request failed, err=%s " 710 "(ignored)\n", usbd_errstr(err)); 711 } 712 } 713 714 static uint16_t 715 uvscom_cfg_read_status(struct uvscom_softc *sc) 716 { 717 struct usb_device_request req; 718 usb_error_t err; 719 uint8_t data[2]; 720 721 req.bmRequestType = UT_READ_VENDOR_DEVICE; 722 req.bRequest = UVSCOM_READ_STATUS; 723 USETW(req.wValue, 0); 724 USETW(req.wIndex, 0); 725 USETW(req.wLength, 2); 726 727 err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 728 &req, data, 0, 1000); 729 if (err) { 730 DPRINTFN(0, "device request failed, err=%s " 731 "(ignored)\n", usbd_errstr(err)); 732 } 733 return (data[0] | (data[1] << 8)); 734 } 735 736 static void 737 uvscom_poll(struct ucom_softc *ucom) 738 { 739 struct uvscom_softc *sc = ucom->sc_parent; 740 usbd_transfer_poll(sc->sc_xfer, UVSCOM_N_TRANSFER); 741 } 742