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/module.h> 49 #include <sys/lock.h> 50 #include <sys/mutex.h> 51 #include <sys/condvar.h> 52 #include <sys/sysctl.h> 53 #include <sys/sx.h> 54 #include <sys/unistd.h> 55 #include <sys/callout.h> 56 #include <sys/malloc.h> 57 #include <sys/priv.h> 58 59 #include <dev/usb/usb.h> 60 #include <dev/usb/usbdi.h> 61 #include <dev/usb/usbdi_util.h> 62 #include "usbdevs.h" 63 64 #define USB_DEBUG_VAR uvscom_debug 65 #include <dev/usb/usb_debug.h> 66 #include <dev/usb/usb_process.h> 67 68 #include <dev/usb/serial/usb_serial.h> 69 70 #ifdef USB_DEBUG 71 static int uvscom_debug = 0; 72 73 SYSCTL_NODE(_hw_usb, OID_AUTO, uvscom, CTLFLAG_RW, 0, "USB uvscom"); 74 SYSCTL_INT(_hw_usb_uvscom, OID_AUTO, debug, CTLFLAG_RW, 75 &uvscom_debug, 0, "Debug level"); 76 #endif 77 78 #define UVSCOM_MODVER 1 /* module version */ 79 80 #define UVSCOM_CONFIG_INDEX 0 81 #define UVSCOM_IFACE_INDEX 0 82 83 /* Request */ 84 #define UVSCOM_SET_SPEED 0x10 85 #define UVSCOM_LINE_CTL 0x11 86 #define UVSCOM_SET_PARAM 0x12 87 #define UVSCOM_READ_STATUS 0xd0 88 #define UVSCOM_SHUTDOWN 0xe0 89 90 /* UVSCOM_SET_SPEED parameters */ 91 #define UVSCOM_SPEED_150BPS 0x00 92 #define UVSCOM_SPEED_300BPS 0x01 93 #define UVSCOM_SPEED_600BPS 0x02 94 #define UVSCOM_SPEED_1200BPS 0x03 95 #define UVSCOM_SPEED_2400BPS 0x04 96 #define UVSCOM_SPEED_4800BPS 0x05 97 #define UVSCOM_SPEED_9600BPS 0x06 98 #define UVSCOM_SPEED_19200BPS 0x07 99 #define UVSCOM_SPEED_38400BPS 0x08 100 #define UVSCOM_SPEED_57600BPS 0x09 101 #define UVSCOM_SPEED_115200BPS 0x0a 102 103 /* UVSCOM_LINE_CTL parameters */ 104 #define UVSCOM_BREAK 0x40 105 #define UVSCOM_RTS 0x02 106 #define UVSCOM_DTR 0x01 107 #define UVSCOM_LINE_INIT 0x08 108 109 /* UVSCOM_SET_PARAM parameters */ 110 #define UVSCOM_DATA_MASK 0x03 111 #define UVSCOM_DATA_BIT_8 0x03 112 #define UVSCOM_DATA_BIT_7 0x02 113 #define UVSCOM_DATA_BIT_6 0x01 114 #define UVSCOM_DATA_BIT_5 0x00 115 116 #define UVSCOM_STOP_MASK 0x04 117 #define UVSCOM_STOP_BIT_2 0x04 118 #define UVSCOM_STOP_BIT_1 0x00 119 120 #define UVSCOM_PARITY_MASK 0x18 121 #define UVSCOM_PARITY_EVEN 0x18 122 #define UVSCOM_PARITY_ODD 0x08 123 #define UVSCOM_PARITY_NONE 0x00 124 125 /* Status bits */ 126 #define UVSCOM_TXRDY 0x04 127 #define UVSCOM_RXRDY 0x01 128 129 #define UVSCOM_DCD 0x08 130 #define UVSCOM_NOCARD 0x04 131 #define UVSCOM_DSR 0x02 132 #define UVSCOM_CTS 0x01 133 #define UVSCOM_USTAT_MASK (UVSCOM_NOCARD | UVSCOM_DSR | UVSCOM_CTS) 134 135 #define UVSCOM_BULK_BUF_SIZE 1024 /* bytes */ 136 137 enum { 138 UVSCOM_BULK_DT_WR, 139 UVSCOM_BULK_DT_RD, 140 UVSCOM_INTR_DT_RD, 141 UVSCOM_N_TRANSFER, 142 }; 143 144 struct uvscom_softc { 145 struct ucom_super_softc sc_super_ucom; 146 struct ucom_softc sc_ucom; 147 148 struct usb_xfer *sc_xfer[UVSCOM_N_TRANSFER]; 149 struct usb_device *sc_udev; 150 struct mtx sc_mtx; 151 152 uint16_t sc_line; /* line control register */ 153 154 uint8_t sc_iface_no; /* interface number */ 155 uint8_t sc_iface_index; /* interface index */ 156 uint8_t sc_lsr; /* local status register */ 157 uint8_t sc_msr; /* uvscom status register */ 158 uint8_t sc_unit_status; /* unit status */ 159 }; 160 161 /* prototypes */ 162 163 static device_probe_t uvscom_probe; 164 static device_attach_t uvscom_attach; 165 static device_detach_t uvscom_detach; 166 167 static usb_callback_t uvscom_write_callback; 168 static usb_callback_t uvscom_read_callback; 169 static usb_callback_t uvscom_intr_callback; 170 171 static void uvscom_cfg_set_dtr(struct ucom_softc *, uint8_t); 172 static void uvscom_cfg_set_rts(struct ucom_softc *, uint8_t); 173 static void uvscom_cfg_set_break(struct ucom_softc *, uint8_t); 174 static int uvscom_pre_param(struct ucom_softc *, struct termios *); 175 static void uvscom_cfg_param(struct ucom_softc *, struct termios *); 176 static int uvscom_pre_open(struct ucom_softc *); 177 static void uvscom_cfg_open(struct ucom_softc *); 178 static void uvscom_cfg_close(struct ucom_softc *); 179 static void uvscom_start_read(struct ucom_softc *); 180 static void uvscom_stop_read(struct ucom_softc *); 181 static void uvscom_start_write(struct ucom_softc *); 182 static void uvscom_stop_write(struct ucom_softc *); 183 static void uvscom_cfg_get_status(struct ucom_softc *, uint8_t *, 184 uint8_t *); 185 static void uvscom_cfg_write(struct uvscom_softc *, uint8_t, uint16_t); 186 static uint16_t uvscom_cfg_read_status(struct uvscom_softc *); 187 static void uvscom_poll(struct ucom_softc *ucom); 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 .ucom_poll = &uvscom_poll, 234 }; 235 236 static const struct usb_device_id uvscom_devs[] = { 237 /* SUNTAC U-Cable type A4 */ 238 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_AS144L4, 0)}, 239 /* SUNTAC U-Cable type D2 */ 240 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_DS96L, 0)}, 241 /* SUNTAC Ir-Trinity */ 242 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_IS96U, 0)}, 243 /* SUNTAC U-Cable type P1 */ 244 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_PS64P1, 0)}, 245 /* SUNTAC Slipper U */ 246 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_VS10U, 0)}, 247 }; 248 249 static device_method_t uvscom_methods[] = { 250 DEVMETHOD(device_probe, uvscom_probe), 251 DEVMETHOD(device_attach, uvscom_attach), 252 DEVMETHOD(device_detach, uvscom_detach), 253 {0, 0} 254 }; 255 256 static devclass_t uvscom_devclass; 257 258 static driver_t uvscom_driver = { 259 .name = "uvscom", 260 .methods = uvscom_methods, 261 .size = sizeof(struct uvscom_softc), 262 }; 263 264 DRIVER_MODULE(uvscom, uhub, uvscom_driver, uvscom_devclass, NULL, 0); 265 MODULE_DEPEND(uvscom, ucom, 1, 1, 1); 266 MODULE_DEPEND(uvscom, usb, 1, 1, 1); 267 MODULE_VERSION(uvscom, UVSCOM_MODVER); 268 269 static int 270 uvscom_probe(device_t dev) 271 { 272 struct usb_attach_arg *uaa = device_get_ivars(dev); 273 274 if (uaa->usb_mode != USB_MODE_HOST) { 275 return (ENXIO); 276 } 277 if (uaa->info.bConfigIndex != UVSCOM_CONFIG_INDEX) { 278 return (ENXIO); 279 } 280 if (uaa->info.bIfaceIndex != UVSCOM_IFACE_INDEX) { 281 return (ENXIO); 282 } 283 return (usbd_lookup_id_by_uaa(uvscom_devs, sizeof(uvscom_devs), uaa)); 284 } 285 286 static int 287 uvscom_attach(device_t dev) 288 { 289 struct usb_attach_arg *uaa = device_get_ivars(dev); 290 struct uvscom_softc *sc = device_get_softc(dev); 291 int error; 292 293 device_set_usb_desc(dev); 294 mtx_init(&sc->sc_mtx, "uvscom", NULL, MTX_DEF); 295 296 sc->sc_udev = uaa->device; 297 298 DPRINTF("sc=%p\n", sc); 299 300 sc->sc_iface_no = uaa->info.bIfaceNum; 301 sc->sc_iface_index = UVSCOM_IFACE_INDEX; 302 303 error = usbd_transfer_setup(uaa->device, &sc->sc_iface_index, 304 sc->sc_xfer, uvscom_config, UVSCOM_N_TRANSFER, sc, &sc->sc_mtx); 305 306 if (error) { 307 DPRINTF("could not allocate all USB transfers!\n"); 308 goto detach; 309 } 310 sc->sc_line = UVSCOM_LINE_INIT; 311 312 /* clear stall at first run */ 313 mtx_lock(&sc->sc_mtx); 314 usbd_xfer_set_stall(sc->sc_xfer[UVSCOM_BULK_DT_WR]); 315 usbd_xfer_set_stall(sc->sc_xfer[UVSCOM_BULK_DT_RD]); 316 mtx_unlock(&sc->sc_mtx); 317 318 error = ucom_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc, 319 &uvscom_callback, &sc->sc_mtx); 320 if (error) { 321 goto detach; 322 } 323 ucom_set_pnpinfo_usb(&sc->sc_super_ucom, dev); 324 325 /* start interrupt pipe */ 326 mtx_lock(&sc->sc_mtx); 327 usbd_transfer_start(sc->sc_xfer[UVSCOM_INTR_DT_RD]); 328 mtx_unlock(&sc->sc_mtx); 329 330 return (0); 331 332 detach: 333 uvscom_detach(dev); 334 return (ENXIO); 335 } 336 337 static int 338 uvscom_detach(device_t dev) 339 { 340 struct uvscom_softc *sc = device_get_softc(dev); 341 342 DPRINTF("sc=%p\n", sc); 343 344 /* stop interrupt pipe */ 345 346 if (sc->sc_xfer[UVSCOM_INTR_DT_RD]) 347 usbd_transfer_stop(sc->sc_xfer[UVSCOM_INTR_DT_RD]); 348 349 ucom_detach(&sc->sc_super_ucom, &sc->sc_ucom); 350 usbd_transfer_unsetup(sc->sc_xfer, UVSCOM_N_TRANSFER); 351 mtx_destroy(&sc->sc_mtx); 352 353 return (0); 354 } 355 356 static void 357 uvscom_write_callback(struct usb_xfer *xfer, usb_error_t error) 358 { 359 struct uvscom_softc *sc = usbd_xfer_softc(xfer); 360 struct usb_page_cache *pc; 361 uint32_t actlen; 362 363 switch (USB_GET_STATE(xfer)) { 364 case USB_ST_SETUP: 365 case USB_ST_TRANSFERRED: 366 tr_setup: 367 pc = usbd_xfer_get_frame(xfer, 0); 368 if (ucom_get_data(&sc->sc_ucom, pc, 0, 369 UVSCOM_BULK_BUF_SIZE, &actlen)) { 370 371 usbd_xfer_set_frame_len(xfer, 0, actlen); 372 usbd_transfer_submit(xfer); 373 } 374 return; 375 376 default: /* Error */ 377 if (error != USB_ERR_CANCELLED) { 378 /* try to clear stall first */ 379 usbd_xfer_set_stall(xfer); 380 goto tr_setup; 381 } 382 return; 383 } 384 } 385 386 static void 387 uvscom_read_callback(struct usb_xfer *xfer, usb_error_t error) 388 { 389 struct uvscom_softc *sc = usbd_xfer_softc(xfer); 390 struct usb_page_cache *pc; 391 int actlen; 392 393 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 394 395 switch (USB_GET_STATE(xfer)) { 396 case USB_ST_TRANSFERRED: 397 pc = usbd_xfer_get_frame(xfer, 0); 398 ucom_put_data(&sc->sc_ucom, pc, 0, actlen); 399 400 case USB_ST_SETUP: 401 tr_setup: 402 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 403 usbd_transfer_submit(xfer); 404 return; 405 406 default: /* Error */ 407 if (error != USB_ERR_CANCELLED) { 408 /* try to clear stall first */ 409 usbd_xfer_set_stall(xfer); 410 goto tr_setup; 411 } 412 return; 413 } 414 } 415 416 static void 417 uvscom_intr_callback(struct usb_xfer *xfer, usb_error_t error) 418 { 419 struct uvscom_softc *sc = usbd_xfer_softc(xfer); 420 struct usb_page_cache *pc; 421 uint8_t buf[2]; 422 int actlen; 423 424 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 425 426 switch (USB_GET_STATE(xfer)) { 427 case USB_ST_TRANSFERRED: 428 if (actlen >= 2) { 429 430 pc = usbd_xfer_get_frame(xfer, 0); 431 usbd_copy_out(pc, 0, buf, sizeof(buf)); 432 433 sc->sc_lsr = 0; 434 sc->sc_msr = 0; 435 sc->sc_unit_status = buf[1]; 436 437 if (buf[0] & UVSCOM_TXRDY) { 438 sc->sc_lsr |= ULSR_TXRDY; 439 } 440 if (buf[0] & UVSCOM_RXRDY) { 441 sc->sc_lsr |= ULSR_RXRDY; 442 } 443 if (buf[1] & UVSCOM_CTS) { 444 sc->sc_msr |= SER_CTS; 445 } 446 if (buf[1] & UVSCOM_DSR) { 447 sc->sc_msr |= SER_DSR; 448 } 449 if (buf[1] & UVSCOM_DCD) { 450 sc->sc_msr |= SER_DCD; 451 } 452 /* 453 * the UCOM layer will ignore this call if the TTY 454 * device is closed! 455 */ 456 ucom_status_change(&sc->sc_ucom); 457 } 458 case USB_ST_SETUP: 459 tr_setup: 460 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 461 usbd_transfer_submit(xfer); 462 return; 463 464 default: /* Error */ 465 if (error != USB_ERR_CANCELLED) { 466 /* try to clear stall first */ 467 usbd_xfer_set_stall(xfer); 468 goto tr_setup; 469 } 470 return; 471 } 472 } 473 474 static void 475 uvscom_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff) 476 { 477 struct uvscom_softc *sc = ucom->sc_parent; 478 479 DPRINTF("onoff = %d\n", onoff); 480 481 if (onoff) 482 sc->sc_line |= UVSCOM_DTR; 483 else 484 sc->sc_line &= ~UVSCOM_DTR; 485 486 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line); 487 } 488 489 static void 490 uvscom_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff) 491 { 492 struct uvscom_softc *sc = ucom->sc_parent; 493 494 DPRINTF("onoff = %d\n", onoff); 495 496 if (onoff) 497 sc->sc_line |= UVSCOM_RTS; 498 else 499 sc->sc_line &= ~UVSCOM_RTS; 500 501 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line); 502 } 503 504 static void 505 uvscom_cfg_set_break(struct ucom_softc *ucom, uint8_t onoff) 506 { 507 struct uvscom_softc *sc = ucom->sc_parent; 508 509 DPRINTF("onoff = %d\n", onoff); 510 511 if (onoff) 512 sc->sc_line |= UVSCOM_BREAK; 513 else 514 sc->sc_line &= ~UVSCOM_BREAK; 515 516 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line); 517 } 518 519 static int 520 uvscom_pre_param(struct ucom_softc *ucom, struct termios *t) 521 { 522 switch (t->c_ospeed) { 523 case B150: 524 case B300: 525 case B600: 526 case B1200: 527 case B2400: 528 case B4800: 529 case B9600: 530 case B19200: 531 case B38400: 532 case B57600: 533 case B115200: 534 default: 535 return (EINVAL); 536 } 537 return (0); 538 } 539 540 static void 541 uvscom_cfg_param(struct ucom_softc *ucom, struct termios *t) 542 { 543 struct uvscom_softc *sc = ucom->sc_parent; 544 uint16_t value; 545 546 DPRINTF("\n"); 547 548 switch (t->c_ospeed) { 549 case B150: 550 value = UVSCOM_SPEED_150BPS; 551 break; 552 case B300: 553 value = UVSCOM_SPEED_300BPS; 554 break; 555 case B600: 556 value = UVSCOM_SPEED_600BPS; 557 break; 558 case B1200: 559 value = UVSCOM_SPEED_1200BPS; 560 break; 561 case B2400: 562 value = UVSCOM_SPEED_2400BPS; 563 break; 564 case B4800: 565 value = UVSCOM_SPEED_4800BPS; 566 break; 567 case B9600: 568 value = UVSCOM_SPEED_9600BPS; 569 break; 570 case B19200: 571 value = UVSCOM_SPEED_19200BPS; 572 break; 573 case B38400: 574 value = UVSCOM_SPEED_38400BPS; 575 break; 576 case B57600: 577 value = UVSCOM_SPEED_57600BPS; 578 break; 579 case B115200: 580 value = UVSCOM_SPEED_115200BPS; 581 break; 582 default: 583 return; 584 } 585 586 uvscom_cfg_write(sc, UVSCOM_SET_SPEED, value); 587 588 value = 0; 589 590 if (t->c_cflag & CSTOPB) { 591 value |= UVSCOM_STOP_BIT_2; 592 } 593 if (t->c_cflag & PARENB) { 594 if (t->c_cflag & PARODD) { 595 value |= UVSCOM_PARITY_ODD; 596 } else { 597 value |= UVSCOM_PARITY_EVEN; 598 } 599 } else { 600 value |= UVSCOM_PARITY_NONE; 601 } 602 603 switch (t->c_cflag & CSIZE) { 604 case CS5: 605 value |= UVSCOM_DATA_BIT_5; 606 break; 607 case CS6: 608 value |= UVSCOM_DATA_BIT_6; 609 break; 610 case CS7: 611 value |= UVSCOM_DATA_BIT_7; 612 break; 613 default: 614 case CS8: 615 value |= UVSCOM_DATA_BIT_8; 616 break; 617 } 618 619 uvscom_cfg_write(sc, UVSCOM_SET_PARAM, value); 620 } 621 622 static int 623 uvscom_pre_open(struct ucom_softc *ucom) 624 { 625 struct uvscom_softc *sc = ucom->sc_parent; 626 627 DPRINTF("sc = %p\n", sc); 628 629 /* check if PC card was inserted */ 630 631 if (sc->sc_unit_status & UVSCOM_NOCARD) { 632 DPRINTF("no PC card!\n"); 633 return (ENXIO); 634 } 635 return (0); 636 } 637 638 static void 639 uvscom_cfg_open(struct ucom_softc *ucom) 640 { 641 struct uvscom_softc *sc = ucom->sc_parent; 642 643 DPRINTF("sc = %p\n", sc); 644 645 uvscom_cfg_read_status(sc); 646 } 647 648 static void 649 uvscom_cfg_close(struct ucom_softc *ucom) 650 { 651 struct uvscom_softc *sc = ucom->sc_parent; 652 653 DPRINTF("sc=%p\n", sc); 654 655 uvscom_cfg_write(sc, UVSCOM_SHUTDOWN, 0); 656 } 657 658 static void 659 uvscom_start_read(struct ucom_softc *ucom) 660 { 661 struct uvscom_softc *sc = ucom->sc_parent; 662 663 usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_RD]); 664 } 665 666 static void 667 uvscom_stop_read(struct ucom_softc *ucom) 668 { 669 struct uvscom_softc *sc = ucom->sc_parent; 670 671 usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_RD]); 672 } 673 674 static void 675 uvscom_start_write(struct ucom_softc *ucom) 676 { 677 struct uvscom_softc *sc = ucom->sc_parent; 678 679 usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_WR]); 680 } 681 682 static void 683 uvscom_stop_write(struct ucom_softc *ucom) 684 { 685 struct uvscom_softc *sc = ucom->sc_parent; 686 687 usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_WR]); 688 } 689 690 static void 691 uvscom_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr) 692 { 693 struct uvscom_softc *sc = ucom->sc_parent; 694 695 *lsr = sc->sc_lsr; 696 *msr = sc->sc_msr; 697 } 698 699 static void 700 uvscom_cfg_write(struct uvscom_softc *sc, uint8_t index, uint16_t value) 701 { 702 struct usb_device_request req; 703 usb_error_t err; 704 705 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 706 req.bRequest = index; 707 USETW(req.wValue, value); 708 USETW(req.wIndex, 0); 709 USETW(req.wLength, 0); 710 711 err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 712 &req, NULL, 0, 1000); 713 if (err) { 714 DPRINTFN(0, "device request failed, err=%s " 715 "(ignored)\n", usbd_errstr(err)); 716 } 717 } 718 719 static uint16_t 720 uvscom_cfg_read_status(struct uvscom_softc *sc) 721 { 722 struct usb_device_request req; 723 usb_error_t err; 724 uint8_t data[2]; 725 726 req.bmRequestType = UT_READ_VENDOR_DEVICE; 727 req.bRequest = UVSCOM_READ_STATUS; 728 USETW(req.wValue, 0); 729 USETW(req.wIndex, 0); 730 USETW(req.wLength, 2); 731 732 err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 733 &req, data, 0, 1000); 734 if (err) { 735 DPRINTFN(0, "device request failed, err=%s " 736 "(ignored)\n", usbd_errstr(err)); 737 } 738 return (data[0] | (data[1] << 8)); 739 } 740 741 static void 742 uvscom_poll(struct ucom_softc *ucom) 743 { 744 struct uvscom_softc *sc = ucom->sc_parent; 745 usbd_transfer_poll(sc->sc_xfer, UVSCOM_N_TRANSFER); 746 } 747