uvisor.c revision 190633
1/* $NetBSD: uvisor.c,v 1.9 2001/01/23 14:04:14 augustss Exp $ */ 2/* $FreeBSD: head/sys/dev/usb/serial/uvisor.c 190633 2009-04-01 20:23:47Z piso $ */ 3 4/* Also already merged from NetBSD: 5 * $NetBSD: uvisor.c,v 1.12 2001/11/13 06:24:57 lukem Exp $ 6 * $NetBSD: uvisor.c,v 1.13 2002/02/11 15:11:49 augustss Exp $ 7 * $NetBSD: uvisor.c,v 1.14 2002/02/27 23:00:03 augustss Exp $ 8 * $NetBSD: uvisor.c,v 1.15 2002/06/16 15:01:31 augustss Exp $ 9 * $NetBSD: uvisor.c,v 1.16 2002/07/11 21:14:36 augustss Exp $ 10 * $NetBSD: uvisor.c,v 1.17 2002/08/13 11:38:15 augustss Exp $ 11 * $NetBSD: uvisor.c,v 1.18 2003/02/05 00:50:14 augustss Exp $ 12 * $NetBSD: uvisor.c,v 1.19 2003/02/07 18:12:37 augustss Exp $ 13 * $NetBSD: uvisor.c,v 1.20 2003/04/11 01:30:10 simonb Exp $ 14 */ 15 16/*- 17 * Copyright (c) 2000 The NetBSD Foundation, Inc. 18 * All rights reserved. 19 * 20 * This code is derived from software contributed to The NetBSD Foundation 21 * by Lennart Augustsson (lennart@augustsson.net) at 22 * Carlstedt Research & Technology. 23 * 24 * Redistribution and use in source and binary forms, with or without 25 * modification, are permitted provided that the following conditions 26 * are met: 27 * 1. Redistributions of source code must retain the above copyright 28 * notice, this list of conditions and the following disclaimer. 29 * 2. Redistributions in binary form must reproduce the above copyright 30 * notice, this list of conditions and the following disclaimer in the 31 * documentation and/or other materials provided with the distribution. 32 * 3. All advertising materials mentioning features or use of this software 33 * must display the following acknowledgement: 34 * This product includes software developed by the NetBSD 35 * Foundation, Inc. and its contributors. 36 * 4. Neither the name of The NetBSD Foundation nor the names of its 37 * contributors may be used to endorse or promote products derived 38 * from this software without specific prior written permission. 39 * 40 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 41 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 42 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 43 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 44 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 45 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 46 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 47 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 48 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 50 * POSSIBILITY OF SUCH DAMAGE. 51 */ 52 53/* 54 * Handspring Visor (Palmpilot compatible PDA) driver 55 */ 56 57#include "usbdevs.h" 58#include <dev/usb/usb.h> 59#include <dev/usb/usb_mfunc.h> 60#include <dev/usb/usb_error.h> 61#include <dev/usb/usb_cdc.h> 62#include <dev/usb/usb_ioctl.h> 63 64#define USB_DEBUG_VAR uvisor_debug 65 66#include <dev/usb/usb_core.h> 67#include <dev/usb/usb_debug.h> 68#include <dev/usb/usb_process.h> 69#include <dev/usb/usb_request.h> 70#include <dev/usb/usb_lookup.h> 71#include <dev/usb/usb_util.h> 72#include <dev/usb/usb_busdma.h> 73 74#include <dev/usb/serial/usb_serial.h> 75 76#if USB_DEBUG 77static int uvisor_debug = 0; 78 79SYSCTL_NODE(_hw_usb2, OID_AUTO, uvisor, CTLFLAG_RW, 0, "USB uvisor"); 80SYSCTL_INT(_hw_usb2_uvisor, OID_AUTO, debug, CTLFLAG_RW, 81 &uvisor_debug, 0, "Debug level"); 82#endif 83 84#define UVISOR_CONFIG_INDEX 0 85#define UVISOR_IFACE_INDEX 0 86#define UVISOR_BUFSIZE 1024 /* bytes */ 87 88/* From the Linux driver */ 89/* 90 * UVISOR_REQUEST_BYTES_AVAILABLE asks the visor for the number of bytes that 91 * are available to be transfered to the host for the specified endpoint. 92 * Currently this is not used, and always returns 0x0001 93 */ 94#define UVISOR_REQUEST_BYTES_AVAILABLE 0x01 95 96/* 97 * UVISOR_CLOSE_NOTIFICATION is set to the device to notify it that the host 98 * is now closing the pipe. An empty packet is sent in response. 99 */ 100#define UVISOR_CLOSE_NOTIFICATION 0x02 101 102/* 103 * UVISOR_GET_CONNECTION_INFORMATION is sent by the host during enumeration to 104 * get the endpoints used by the connection. 105 */ 106#define UVISOR_GET_CONNECTION_INFORMATION 0x03 107 108/* 109 * UVISOR_GET_CONNECTION_INFORMATION returns data in the following format 110 */ 111#define UVISOR_MAX_CONN 8 112struct uvisor_connection_info { 113 uWord num_ports; 114 struct { 115 uByte port_function_id; 116 uByte port; 117 } __packed connections[UVISOR_MAX_CONN]; 118} __packed; 119 120#define UVISOR_CONNECTION_INFO_SIZE 18 121 122/* struct uvisor_connection_info.connection[x].port defines: */ 123#define UVISOR_ENDPOINT_1 0x01 124#define UVISOR_ENDPOINT_2 0x02 125 126/* struct uvisor_connection_info.connection[x].port_function_id defines: */ 127#define UVISOR_FUNCTION_GENERIC 0x00 128#define UVISOR_FUNCTION_DEBUGGER 0x01 129#define UVISOR_FUNCTION_HOTSYNC 0x02 130#define UVISOR_FUNCTION_CONSOLE 0x03 131#define UVISOR_FUNCTION_REMOTE_FILE_SYS 0x04 132 133/* 134 * Unknown PalmOS stuff. 135 */ 136#define UVISOR_GET_PALM_INFORMATION 0x04 137#define UVISOR_GET_PALM_INFORMATION_LEN 0x44 138 139struct uvisor_palm_connection_info { 140 uByte num_ports; 141 uByte endpoint_numbers_different; 142 uWord reserved1; 143 struct { 144 uDWord port_function_id; 145 uByte port; 146 uByte end_point_info; 147 uWord reserved; 148 } __packed connections[UVISOR_MAX_CONN]; 149} __packed; 150 151enum { 152 UVISOR_BULK_DT_WR, 153 UVISOR_BULK_DT_RD, 154 UVISOR_N_TRANSFER, 155}; 156 157struct uvisor_softc { 158 struct usb2_com_super_softc sc_super_ucom; 159 struct usb2_com_softc sc_ucom; 160 161 struct usb2_xfer *sc_xfer[UVISOR_N_TRANSFER]; 162 struct usb2_device *sc_udev; 163 struct mtx sc_mtx; 164 165 uint16_t sc_flag; 166#define UVISOR_FLAG_PALM4 0x0001 167#define UVISOR_FLAG_VISOR 0x0002 168#define UVISOR_FLAG_PALM35 0x0004 169#define UVISOR_FLAG_SEND_NOTIFY 0x0008 170 171 uint8_t sc_iface_no; 172 uint8_t sc_iface_index; 173}; 174 175/* prototypes */ 176 177static device_probe_t uvisor_probe; 178static device_attach_t uvisor_attach; 179static device_detach_t uvisor_detach; 180 181static usb2_callback_t uvisor_write_callback; 182static usb2_callback_t uvisor_read_callback; 183 184static usb2_error_t uvisor_init(struct uvisor_softc *, struct usb2_device *, 185 struct usb2_config *); 186static void uvisor_cfg_open(struct usb2_com_softc *); 187static void uvisor_cfg_close(struct usb2_com_softc *); 188static void uvisor_start_read(struct usb2_com_softc *); 189static void uvisor_stop_read(struct usb2_com_softc *); 190static void uvisor_start_write(struct usb2_com_softc *); 191static void uvisor_stop_write(struct usb2_com_softc *); 192 193static const struct usb2_config uvisor_config[UVISOR_N_TRANSFER] = { 194 195 [UVISOR_BULK_DT_WR] = { 196 .type = UE_BULK, 197 .endpoint = UE_ADDR_ANY, 198 .direction = UE_DIR_OUT, 199 .mh.bufsize = UVISOR_BUFSIZE, /* bytes */ 200 .mh.flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 201 .mh.callback = &uvisor_write_callback, 202 }, 203 204 [UVISOR_BULK_DT_RD] = { 205 .type = UE_BULK, 206 .endpoint = UE_ADDR_ANY, 207 .direction = UE_DIR_IN, 208 .mh.bufsize = UVISOR_BUFSIZE, /* bytes */ 209 .mh.flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 210 .mh.callback = &uvisor_read_callback, 211 }, 212}; 213 214static const struct usb2_com_callback uvisor_callback = { 215 .usb2_com_cfg_open = &uvisor_cfg_open, 216 .usb2_com_cfg_close = &uvisor_cfg_close, 217 .usb2_com_start_read = &uvisor_start_read, 218 .usb2_com_stop_read = &uvisor_stop_read, 219 .usb2_com_start_write = &uvisor_start_write, 220 .usb2_com_stop_write = &uvisor_stop_write, 221}; 222 223static device_method_t uvisor_methods[] = { 224 DEVMETHOD(device_probe, uvisor_probe), 225 DEVMETHOD(device_attach, uvisor_attach), 226 DEVMETHOD(device_detach, uvisor_detach), 227 {0, 0} 228}; 229 230static devclass_t uvisor_devclass; 231 232static driver_t uvisor_driver = { 233 .name = "uvisor", 234 .methods = uvisor_methods, 235 .size = sizeof(struct uvisor_softc), 236}; 237 238DRIVER_MODULE(uvisor, uhub, uvisor_driver, uvisor_devclass, NULL, 0); 239MODULE_DEPEND(uvisor, ucom, 1, 1, 1); 240MODULE_DEPEND(uvisor, usb, 1, 1, 1); 241 242static const struct usb2_device_id uvisor_devs[] = { 243 {USB_VPI(USB_VENDOR_ACEECA, USB_PRODUCT_ACEECA_MEZ1000, UVISOR_FLAG_PALM4)}, 244 {USB_VPI(USB_VENDOR_GARMIN, USB_PRODUCT_GARMIN_IQUE_3600, UVISOR_FLAG_PALM4)}, 245 {USB_VPI(USB_VENDOR_FOSSIL, USB_PRODUCT_FOSSIL_WRISTPDA, UVISOR_FLAG_PALM4)}, 246 {USB_VPI(USB_VENDOR_HANDSPRING, USB_PRODUCT_HANDSPRING_VISOR, UVISOR_FLAG_VISOR)}, 247 {USB_VPI(USB_VENDOR_HANDSPRING, USB_PRODUCT_HANDSPRING_TREO, UVISOR_FLAG_PALM4)}, 248 {USB_VPI(USB_VENDOR_HANDSPRING, USB_PRODUCT_HANDSPRING_TREO600, UVISOR_FLAG_PALM4)}, 249 {USB_VPI(USB_VENDOR_PALM, USB_PRODUCT_PALM_M500, UVISOR_FLAG_PALM4)}, 250 {USB_VPI(USB_VENDOR_PALM, USB_PRODUCT_PALM_M505, UVISOR_FLAG_PALM4)}, 251 {USB_VPI(USB_VENDOR_PALM, USB_PRODUCT_PALM_M515, UVISOR_FLAG_PALM4)}, 252 {USB_VPI(USB_VENDOR_PALM, USB_PRODUCT_PALM_I705, UVISOR_FLAG_PALM4)}, 253 {USB_VPI(USB_VENDOR_PALM, USB_PRODUCT_PALM_M125, UVISOR_FLAG_PALM4)}, 254 {USB_VPI(USB_VENDOR_PALM, USB_PRODUCT_PALM_M130, UVISOR_FLAG_PALM4)}, 255 {USB_VPI(USB_VENDOR_PALM, USB_PRODUCT_PALM_TUNGSTEN_Z, UVISOR_FLAG_PALM4)}, 256 {USB_VPI(USB_VENDOR_PALM, USB_PRODUCT_PALM_TUNGSTEN_T, UVISOR_FLAG_PALM4)}, 257 {USB_VPI(USB_VENDOR_PALM, USB_PRODUCT_PALM_ZIRE, UVISOR_FLAG_PALM4)}, 258 {USB_VPI(USB_VENDOR_PALM, USB_PRODUCT_PALM_ZIRE31, UVISOR_FLAG_PALM4)}, 259 {USB_VPI(USB_VENDOR_SAMSUNG, USB_PRODUCT_SAMSUNG_I500, UVISOR_FLAG_PALM4)}, 260 {USB_VPI(USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_40, 0)}, 261 {USB_VPI(USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_41, UVISOR_FLAG_PALM4)}, 262 {USB_VPI(USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_S360, UVISOR_FLAG_PALM4)}, 263 {USB_VPI(USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_NX60, UVISOR_FLAG_PALM4)}, 264 {USB_VPI(USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_35, UVISOR_FLAG_PALM35)}, 265/* {USB_VPI(USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_25, UVISOR_FLAG_PALM4 )}, */ 266 {USB_VPI(USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_TJ37, UVISOR_FLAG_PALM4)}, 267/* {USB_VPI(USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_TH55, UVISOR_FLAG_PALM4 )}, See PR 80935 */ 268 {USB_VPI(USB_VENDOR_TAPWAVE, USB_PRODUCT_TAPWAVE_ZODIAC, UVISOR_FLAG_PALM4)}, 269}; 270 271static int 272uvisor_probe(device_t dev) 273{ 274 struct usb2_attach_arg *uaa = device_get_ivars(dev); 275 276 if (uaa->usb2_mode != USB_MODE_HOST) { 277 return (ENXIO); 278 } 279 if (uaa->info.bConfigIndex != UVISOR_CONFIG_INDEX) { 280 return (ENXIO); 281 } 282 if (uaa->info.bIfaceIndex != UVISOR_IFACE_INDEX) { 283 return (ENXIO); 284 } 285 return (usb2_lookup_id_by_uaa(uvisor_devs, sizeof(uvisor_devs), uaa)); 286} 287 288static int 289uvisor_attach(device_t dev) 290{ 291 struct usb2_attach_arg *uaa = device_get_ivars(dev); 292 struct uvisor_softc *sc = device_get_softc(dev); 293 struct usb2_config uvisor_config_copy[UVISOR_N_TRANSFER]; 294 int error; 295 296 DPRINTF("sc=%p\n", sc); 297 bcopy(uvisor_config, uvisor_config_copy, 298 sizeof(uvisor_config_copy)); 299 device_set_usb2_desc(dev); 300 301 mtx_init(&sc->sc_mtx, "uvisor", NULL, MTX_DEF); 302 303 sc->sc_udev = uaa->device; 304 305 /* configure the device */ 306 307 sc->sc_flag = USB_GET_DRIVER_INFO(uaa); 308 sc->sc_iface_no = uaa->info.bIfaceNum; 309 sc->sc_iface_index = UVISOR_IFACE_INDEX; 310 311 error = uvisor_init(sc, uaa->device, uvisor_config_copy); 312 313 if (error) { 314 DPRINTF("init failed, error=%s\n", 315 usb2_errstr(error)); 316 goto detach; 317 } 318 error = usb2_transfer_setup(uaa->device, &sc->sc_iface_index, 319 sc->sc_xfer, uvisor_config_copy, UVISOR_N_TRANSFER, 320 sc, &sc->sc_mtx); 321 if (error) { 322 DPRINTF("could not allocate all pipes\n"); 323 goto detach; 324 } 325 /* clear stall at first run */ 326 mtx_lock(&sc->sc_mtx); 327 usb2_transfer_set_stall(sc->sc_xfer[UVISOR_BULK_DT_WR]); 328 usb2_transfer_set_stall(sc->sc_xfer[UVISOR_BULK_DT_RD]); 329 mtx_unlock(&sc->sc_mtx); 330 331 error = usb2_com_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc, 332 &uvisor_callback, &sc->sc_mtx); 333 if (error) { 334 DPRINTF("usb2_com_attach failed\n"); 335 goto detach; 336 } 337 return (0); 338 339detach: 340 uvisor_detach(dev); 341 return (ENXIO); 342} 343 344static int 345uvisor_detach(device_t dev) 346{ 347 struct uvisor_softc *sc = device_get_softc(dev); 348 349 DPRINTF("sc=%p\n", sc); 350 351 usb2_com_detach(&sc->sc_super_ucom, &sc->sc_ucom, 1); 352 usb2_transfer_unsetup(sc->sc_xfer, UVISOR_N_TRANSFER); 353 mtx_destroy(&sc->sc_mtx); 354 355 return (0); 356} 357 358static usb2_error_t 359uvisor_init(struct uvisor_softc *sc, struct usb2_device *udev, struct usb2_config *config) 360{ 361 usb2_error_t err = 0; 362 struct usb2_device_request req; 363 struct uvisor_connection_info coninfo; 364 struct uvisor_palm_connection_info pconinfo; 365 uint16_t actlen; 366 uWord wAvail; 367 uint8_t buffer[256]; 368 369 if (sc->sc_flag & UVISOR_FLAG_VISOR) { 370 DPRINTF("getting connection info\n"); 371 req.bmRequestType = UT_READ_VENDOR_ENDPOINT; 372 req.bRequest = UVISOR_GET_CONNECTION_INFORMATION; 373 USETW(req.wValue, 0); 374 USETW(req.wIndex, 0); 375 USETW(req.wLength, UVISOR_CONNECTION_INFO_SIZE); 376 err = usb2_do_request_flags(udev, NULL, 377 &req, &coninfo, USB_SHORT_XFER_OK, 378 &actlen, USB_DEFAULT_TIMEOUT); 379 380 if (err) { 381 goto done; 382 } 383 } 384#if USB_DEBUG 385 if (sc->sc_flag & UVISOR_FLAG_VISOR) { 386 uint16_t i, np; 387 const char *desc; 388 389 np = UGETW(coninfo.num_ports); 390 if (np > UVISOR_MAX_CONN) { 391 np = UVISOR_MAX_CONN; 392 } 393 DPRINTF("Number of ports: %d\n", np); 394 395 for (i = 0; i < np; ++i) { 396 switch (coninfo.connections[i].port_function_id) { 397 case UVISOR_FUNCTION_GENERIC: 398 desc = "Generic"; 399 break; 400 case UVISOR_FUNCTION_DEBUGGER: 401 desc = "Debugger"; 402 break; 403 case UVISOR_FUNCTION_HOTSYNC: 404 desc = "HotSync"; 405 break; 406 case UVISOR_FUNCTION_REMOTE_FILE_SYS: 407 desc = "Remote File System"; 408 break; 409 default: 410 desc = "unknown"; 411 break; 412 } 413 DPRINTF("Port %d is for %s\n", 414 coninfo.connections[i].port, desc); 415 } 416 } 417#endif 418 419 if (sc->sc_flag & UVISOR_FLAG_PALM4) { 420 uint8_t port; 421 422 /* Palm OS 4.0 Hack */ 423 req.bmRequestType = UT_READ_VENDOR_ENDPOINT; 424 req.bRequest = UVISOR_GET_PALM_INFORMATION; 425 USETW(req.wValue, 0); 426 USETW(req.wIndex, 0); 427 USETW(req.wLength, UVISOR_GET_PALM_INFORMATION_LEN); 428 429 err = usb2_do_request_flags 430 (udev, NULL, &req, &pconinfo, USB_SHORT_XFER_OK, 431 &actlen, USB_DEFAULT_TIMEOUT); 432 433 if (err) { 434 goto done; 435 } 436 if (actlen < 12) { 437 DPRINTF("too little data\n"); 438 err = USB_ERR_INVAL; 439 goto done; 440 } 441 if (pconinfo.endpoint_numbers_different) { 442 port = pconinfo.connections[0].end_point_info; 443 config[0].endpoint = (port & 0xF); /* output */ 444 config[1].endpoint = (port >> 4); /* input */ 445 } else { 446 port = pconinfo.connections[0].port; 447 config[0].endpoint = (port & 0xF); /* output */ 448 config[1].endpoint = (port & 0xF); /* input */ 449 } 450#if 0 451 req.bmRequestType = UT_READ_VENDOR_ENDPOINT; 452 req.bRequest = UVISOR_GET_PALM_INFORMATION; 453 USETW(req.wValue, 0); 454 USETW(req.wIndex, 0); 455 USETW(req.wLength, UVISOR_GET_PALM_INFORMATION_LEN); 456 err = usb2_do_request(udev, &req, buffer); 457 if (err) { 458 goto done; 459 } 460#endif 461 } 462 if (sc->sc_flag & UVISOR_FLAG_PALM35) { 463 /* get the config number */ 464 DPRINTF("getting config info\n"); 465 req.bmRequestType = UT_READ; 466 req.bRequest = UR_GET_CONFIG; 467 USETW(req.wValue, 0); 468 USETW(req.wIndex, 0); 469 USETW(req.wLength, 1); 470 471 err = usb2_do_request(udev, NULL, &req, buffer); 472 if (err) { 473 goto done; 474 } 475 /* get the interface number */ 476 DPRINTF("get the interface number\n"); 477 req.bmRequestType = UT_READ_DEVICE; 478 req.bRequest = UR_GET_INTERFACE; 479 USETW(req.wValue, 0); 480 USETW(req.wIndex, 0); 481 USETW(req.wLength, 1); 482 err = usb2_do_request(udev, NULL, &req, buffer); 483 if (err) { 484 goto done; 485 } 486 } 487 DPRINTF("getting available bytes\n"); 488 req.bmRequestType = UT_READ_VENDOR_ENDPOINT; 489 req.bRequest = UVISOR_REQUEST_BYTES_AVAILABLE; 490 USETW(req.wValue, 0); 491 USETW(req.wIndex, 5); 492 USETW(req.wLength, sizeof(wAvail)); 493 err = usb2_do_request(udev, NULL, &req, &wAvail); 494 if (err) { 495 goto done; 496 } 497 DPRINTF("avail=%d\n", UGETW(wAvail)); 498 499 DPRINTF("done\n"); 500done: 501 return (err); 502} 503 504static void 505uvisor_cfg_open(struct usb2_com_softc *ucom) 506{ 507 return; 508} 509 510static void 511uvisor_cfg_close(struct usb2_com_softc *ucom) 512{ 513 struct uvisor_softc *sc = ucom->sc_parent; 514 uint8_t buffer[UVISOR_CONNECTION_INFO_SIZE]; 515 struct usb2_device_request req; 516 usb2_error_t err; 517 518 req.bmRequestType = UT_READ_VENDOR_ENDPOINT; /* XXX read? */ 519 req.bRequest = UVISOR_CLOSE_NOTIFICATION; 520 USETW(req.wValue, 0); 521 USETW(req.wIndex, 0); 522 USETW(req.wLength, UVISOR_CONNECTION_INFO_SIZE); 523 524 err = usb2_com_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 525 &req, buffer, 0, 1000); 526 if (err) { 527 DPRINTFN(0, "close notification failed, error=%s\n", 528 usb2_errstr(err)); 529 } 530} 531 532static void 533uvisor_start_read(struct usb2_com_softc *ucom) 534{ 535 struct uvisor_softc *sc = ucom->sc_parent; 536 537 usb2_transfer_start(sc->sc_xfer[UVISOR_BULK_DT_RD]); 538} 539 540static void 541uvisor_stop_read(struct usb2_com_softc *ucom) 542{ 543 struct uvisor_softc *sc = ucom->sc_parent; 544 545 usb2_transfer_stop(sc->sc_xfer[UVISOR_BULK_DT_RD]); 546} 547 548static void 549uvisor_start_write(struct usb2_com_softc *ucom) 550{ 551 struct uvisor_softc *sc = ucom->sc_parent; 552 553 usb2_transfer_start(sc->sc_xfer[UVISOR_BULK_DT_WR]); 554} 555 556static void 557uvisor_stop_write(struct usb2_com_softc *ucom) 558{ 559 struct uvisor_softc *sc = ucom->sc_parent; 560 561 usb2_transfer_stop(sc->sc_xfer[UVISOR_BULK_DT_WR]); 562} 563 564static void 565uvisor_write_callback(struct usb2_xfer *xfer) 566{ 567 struct uvisor_softc *sc = xfer->priv_sc; 568 uint32_t actlen; 569 570 switch (USB_GET_STATE(xfer)) { 571 case USB_ST_SETUP: 572 case USB_ST_TRANSFERRED: 573tr_setup: 574 if (usb2_com_get_data(&sc->sc_ucom, xfer->frbuffers, 0, 575 UVISOR_BUFSIZE, &actlen)) { 576 577 xfer->frlengths[0] = actlen; 578 usb2_start_hardware(xfer); 579 } 580 return; 581 582 default: /* Error */ 583 if (xfer->error != USB_ERR_CANCELLED) { 584 /* try to clear stall first */ 585 xfer->flags.stall_pipe = 1; 586 goto tr_setup; 587 } 588 return; 589 } 590} 591 592static void 593uvisor_read_callback(struct usb2_xfer *xfer) 594{ 595 struct uvisor_softc *sc = xfer->priv_sc; 596 597 switch (USB_GET_STATE(xfer)) { 598 case USB_ST_TRANSFERRED: 599 usb2_com_put_data(&sc->sc_ucom, xfer->frbuffers, 0, xfer->actlen); 600 601 case USB_ST_SETUP: 602tr_setup: 603 xfer->frlengths[0] = xfer->max_data_length; 604 usb2_start_hardware(xfer); 605 return; 606 607 default: /* Error */ 608 if (xfer->error != USB_ERR_CANCELLED) { 609 /* try to clear stall first */ 610 xfer->flags.stall_pipe = 1; 611 goto tr_setup; 612 } 613 return; 614 } 615} 616