uvisor.c revision 188746
1/* $NetBSD: uvisor.c,v 1.9 2001/01/23 14:04:14 augustss Exp $ */ 2/* $FreeBSD: head/sys/dev/usb2/serial/uvisor2.c 188746 2009-02-18 06:33:10Z thompsa $ */ 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/usb2/include/usb2_standard.h> 59#include <dev/usb2/include/usb2_mfunc.h> 60#include <dev/usb2/include/usb2_error.h> 61#include <dev/usb2/include/usb2_cdc.h> 62#include <dev/usb2/include/usb2_ioctl.h> 63 64#define USB_DEBUG_VAR uvisor_debug 65 66#include <dev/usb2/core/usb2_core.h> 67#include <dev/usb2/core/usb2_debug.h> 68#include <dev/usb2/core/usb2_process.h> 69#include <dev/usb2/core/usb2_request.h> 70#include <dev/usb2/core/usb2_lookup.h> 71#include <dev/usb2/core/usb2_util.h> 72#include <dev/usb2/core/usb2_busdma.h> 73 74#include <dev/usb2/serial/usb2_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; 163 164 uint16_t sc_flag; 165#define UVISOR_FLAG_PALM4 0x0001 166#define UVISOR_FLAG_VISOR 0x0002 167#define UVISOR_FLAG_PALM35 0x0004 168#define UVISOR_FLAG_SEND_NOTIFY 0x0008 169 170 uint8_t sc_iface_no; 171 uint8_t sc_iface_index; 172}; 173 174/* prototypes */ 175 176static device_probe_t uvisor_probe; 177static device_attach_t uvisor_attach; 178static device_detach_t uvisor_detach; 179 180static usb2_callback_t uvisor_write_callback; 181static usb2_callback_t uvisor_read_callback; 182 183static usb2_error_t uvisor_init(struct uvisor_softc *, struct usb2_device *, 184 struct usb2_config *); 185static void uvisor_cfg_open(struct usb2_com_softc *); 186static void uvisor_cfg_close(struct usb2_com_softc *); 187static void uvisor_start_read(struct usb2_com_softc *); 188static void uvisor_stop_read(struct usb2_com_softc *); 189static void uvisor_start_write(struct usb2_com_softc *); 190static void uvisor_stop_write(struct usb2_com_softc *); 191 192static const struct usb2_config uvisor_config[UVISOR_N_TRANSFER] = { 193 194 [UVISOR_BULK_DT_WR] = { 195 .type = UE_BULK, 196 .endpoint = UE_ADDR_ANY, 197 .direction = UE_DIR_OUT, 198 .mh.bufsize = UVISOR_BUFSIZE, /* bytes */ 199 .mh.flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 200 .mh.callback = &uvisor_write_callback, 201 }, 202 203 [UVISOR_BULK_DT_RD] = { 204 .type = UE_BULK, 205 .endpoint = UE_ADDR_ANY, 206 .direction = UE_DIR_IN, 207 .mh.bufsize = UVISOR_BUFSIZE, /* bytes */ 208 .mh.flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 209 .mh.callback = &uvisor_read_callback, 210 }, 211}; 212 213static const struct usb2_com_callback uvisor_callback = { 214 .usb2_com_cfg_open = &uvisor_cfg_open, 215 .usb2_com_cfg_close = &uvisor_cfg_close, 216 .usb2_com_start_read = &uvisor_start_read, 217 .usb2_com_stop_read = &uvisor_stop_read, 218 .usb2_com_start_write = &uvisor_start_write, 219 .usb2_com_stop_write = &uvisor_stop_write, 220}; 221 222static device_method_t uvisor_methods[] = { 223 DEVMETHOD(device_probe, uvisor_probe), 224 DEVMETHOD(device_attach, uvisor_attach), 225 DEVMETHOD(device_detach, uvisor_detach), 226 {0, 0} 227}; 228 229static devclass_t uvisor_devclass; 230 231static driver_t uvisor_driver = { 232 .name = "uvisor", 233 .methods = uvisor_methods, 234 .size = sizeof(struct uvisor_softc), 235}; 236 237DRIVER_MODULE(uvisor, ushub, uvisor_driver, uvisor_devclass, NULL, 0); 238MODULE_DEPEND(uvisor, usb2_serial, 1, 1, 1); 239MODULE_DEPEND(uvisor, usb2_core, 1, 1, 1); 240 241static const struct usb2_device_id uvisor_devs[] = { 242 {USB_VPI(USB_VENDOR_ACEECA, USB_PRODUCT_ACEECA_MEZ1000, UVISOR_FLAG_PALM4)}, 243 {USB_VPI(USB_VENDOR_GARMIN, USB_PRODUCT_GARMIN_IQUE_3600, UVISOR_FLAG_PALM4)}, 244 {USB_VPI(USB_VENDOR_FOSSIL, USB_PRODUCT_FOSSIL_WRISTPDA, UVISOR_FLAG_PALM4)}, 245 {USB_VPI(USB_VENDOR_HANDSPRING, USB_PRODUCT_HANDSPRING_VISOR, UVISOR_FLAG_VISOR)}, 246 {USB_VPI(USB_VENDOR_HANDSPRING, USB_PRODUCT_HANDSPRING_TREO, UVISOR_FLAG_PALM4)}, 247 {USB_VPI(USB_VENDOR_HANDSPRING, USB_PRODUCT_HANDSPRING_TREO600, UVISOR_FLAG_PALM4)}, 248 {USB_VPI(USB_VENDOR_PALM, USB_PRODUCT_PALM_M500, UVISOR_FLAG_PALM4)}, 249 {USB_VPI(USB_VENDOR_PALM, USB_PRODUCT_PALM_M505, UVISOR_FLAG_PALM4)}, 250 {USB_VPI(USB_VENDOR_PALM, USB_PRODUCT_PALM_M515, UVISOR_FLAG_PALM4)}, 251 {USB_VPI(USB_VENDOR_PALM, USB_PRODUCT_PALM_I705, UVISOR_FLAG_PALM4)}, 252 {USB_VPI(USB_VENDOR_PALM, USB_PRODUCT_PALM_M125, UVISOR_FLAG_PALM4)}, 253 {USB_VPI(USB_VENDOR_PALM, USB_PRODUCT_PALM_M130, UVISOR_FLAG_PALM4)}, 254 {USB_VPI(USB_VENDOR_PALM, USB_PRODUCT_PALM_TUNGSTEN_Z, UVISOR_FLAG_PALM4)}, 255 {USB_VPI(USB_VENDOR_PALM, USB_PRODUCT_PALM_TUNGSTEN_T, UVISOR_FLAG_PALM4)}, 256 {USB_VPI(USB_VENDOR_PALM, USB_PRODUCT_PALM_ZIRE, UVISOR_FLAG_PALM4)}, 257 {USB_VPI(USB_VENDOR_PALM, USB_PRODUCT_PALM_ZIRE31, UVISOR_FLAG_PALM4)}, 258 {USB_VPI(USB_VENDOR_SAMSUNG, USB_PRODUCT_SAMSUNG_I500, UVISOR_FLAG_PALM4)}, 259 {USB_VPI(USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_40, 0)}, 260 {USB_VPI(USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_41, UVISOR_FLAG_PALM4)}, 261 {USB_VPI(USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_S360, UVISOR_FLAG_PALM4)}, 262 {USB_VPI(USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_NX60, UVISOR_FLAG_PALM4)}, 263 {USB_VPI(USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_35, UVISOR_FLAG_PALM35)}, 264/* {USB_VPI(USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_25, UVISOR_FLAG_PALM4 )}, */ 265 {USB_VPI(USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_TJ37, UVISOR_FLAG_PALM4)}, 266/* {USB_VPI(USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_TH55, UVISOR_FLAG_PALM4 )}, See PR 80935 */ 267 {USB_VPI(USB_VENDOR_TAPWAVE, USB_PRODUCT_TAPWAVE_ZODIAC, UVISOR_FLAG_PALM4)}, 268}; 269 270static int 271uvisor_probe(device_t dev) 272{ 273 struct usb2_attach_arg *uaa = device_get_ivars(dev); 274 275 if (uaa->usb2_mode != USB_MODE_HOST) { 276 return (ENXIO); 277 } 278 if (uaa->info.bConfigIndex != UVISOR_CONFIG_INDEX) { 279 return (ENXIO); 280 } 281 if (uaa->info.bIfaceIndex != UVISOR_IFACE_INDEX) { 282 return (ENXIO); 283 } 284 return (usb2_lookup_id_by_uaa(uvisor_devs, sizeof(uvisor_devs), uaa)); 285} 286 287static int 288uvisor_attach(device_t dev) 289{ 290 struct usb2_attach_arg *uaa = device_get_ivars(dev); 291 struct uvisor_softc *sc = device_get_softc(dev); 292 struct usb2_config uvisor_config_copy[UVISOR_N_TRANSFER]; 293 int error; 294 295 DPRINTF("sc=%p\n", sc); 296 bcopy(uvisor_config, uvisor_config_copy, 297 sizeof(uvisor_config_copy)); 298 device_set_usb2_desc(dev); 299 300 sc->sc_udev = uaa->device; 301 302 /* configure the device */ 303 304 sc->sc_flag = USB_GET_DRIVER_INFO(uaa); 305 sc->sc_iface_no = uaa->info.bIfaceNum; 306 sc->sc_iface_index = UVISOR_IFACE_INDEX; 307 308 error = uvisor_init(sc, uaa->device, uvisor_config_copy); 309 310 if (error) { 311 DPRINTF("init failed, error=%s\n", 312 usb2_errstr(error)); 313 goto detach; 314 } 315 error = usb2_transfer_setup(uaa->device, &sc->sc_iface_index, 316 sc->sc_xfer, uvisor_config_copy, UVISOR_N_TRANSFER, 317 sc, &Giant); 318 if (error) { 319 DPRINTF("could not allocate all pipes\n"); 320 goto detach; 321 } 322 /* clear stall at first run */ 323 usb2_transfer_set_stall(sc->sc_xfer[UVISOR_BULK_DT_WR]); 324 usb2_transfer_set_stall(sc->sc_xfer[UVISOR_BULK_DT_RD]); 325 326 error = usb2_com_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc, 327 &uvisor_callback, &Giant); 328 if (error) { 329 DPRINTF("usb2_com_attach failed\n"); 330 goto detach; 331 } 332 return (0); 333 334detach: 335 uvisor_detach(dev); 336 return (ENXIO); 337} 338 339static int 340uvisor_detach(device_t dev) 341{ 342 struct uvisor_softc *sc = device_get_softc(dev); 343 344 DPRINTF("sc=%p\n", sc); 345 346 usb2_com_detach(&sc->sc_super_ucom, &sc->sc_ucom, 1); 347 348 usb2_transfer_unsetup(sc->sc_xfer, UVISOR_N_TRANSFER); 349 350 return (0); 351} 352 353static usb2_error_t 354uvisor_init(struct uvisor_softc *sc, struct usb2_device *udev, struct usb2_config *config) 355{ 356 usb2_error_t err = 0; 357 struct usb2_device_request req; 358 struct uvisor_connection_info coninfo; 359 struct uvisor_palm_connection_info pconinfo; 360 uint16_t actlen; 361 uWord wAvail; 362 uint8_t buffer[256]; 363 364 if (sc->sc_flag & UVISOR_FLAG_VISOR) { 365 DPRINTF("getting connection info\n"); 366 req.bmRequestType = UT_READ_VENDOR_ENDPOINT; 367 req.bRequest = UVISOR_GET_CONNECTION_INFORMATION; 368 USETW(req.wValue, 0); 369 USETW(req.wIndex, 0); 370 USETW(req.wLength, UVISOR_CONNECTION_INFO_SIZE); 371 err = usb2_do_request_flags 372 (udev, &Giant, &req, &coninfo, USB_SHORT_XFER_OK, 373 &actlen, USB_DEFAULT_TIMEOUT); 374 375 if (err) { 376 goto done; 377 } 378 } 379#if USB_DEBUG 380 if (sc->sc_flag & UVISOR_FLAG_VISOR) { 381 uint16_t i, np; 382 const char *desc; 383 384 np = UGETW(coninfo.num_ports); 385 if (np > UVISOR_MAX_CONN) { 386 np = UVISOR_MAX_CONN; 387 } 388 DPRINTF("Number of ports: %d\n", np); 389 390 for (i = 0; i < np; ++i) { 391 switch (coninfo.connections[i].port_function_id) { 392 case UVISOR_FUNCTION_GENERIC: 393 desc = "Generic"; 394 break; 395 case UVISOR_FUNCTION_DEBUGGER: 396 desc = "Debugger"; 397 break; 398 case UVISOR_FUNCTION_HOTSYNC: 399 desc = "HotSync"; 400 break; 401 case UVISOR_FUNCTION_REMOTE_FILE_SYS: 402 desc = "Remote File System"; 403 break; 404 default: 405 desc = "unknown"; 406 break; 407 } 408 DPRINTF("Port %d is for %s\n", 409 coninfo.connections[i].port, desc); 410 } 411 } 412#endif 413 414 if (sc->sc_flag & UVISOR_FLAG_PALM4) { 415 uint8_t port; 416 417 /* Palm OS 4.0 Hack */ 418 req.bmRequestType = UT_READ_VENDOR_ENDPOINT; 419 req.bRequest = UVISOR_GET_PALM_INFORMATION; 420 USETW(req.wValue, 0); 421 USETW(req.wIndex, 0); 422 USETW(req.wLength, UVISOR_GET_PALM_INFORMATION_LEN); 423 424 err = usb2_do_request_flags 425 (udev, &Giant, &req, &pconinfo, USB_SHORT_XFER_OK, 426 &actlen, USB_DEFAULT_TIMEOUT); 427 428 if (err) { 429 goto done; 430 } 431 if (actlen < 12) { 432 DPRINTF("too little data\n"); 433 err = USB_ERR_INVAL; 434 goto done; 435 } 436 if (pconinfo.endpoint_numbers_different) { 437 port = pconinfo.connections[0].end_point_info; 438 config[0].endpoint = (port & 0xF); /* output */ 439 config[1].endpoint = (port >> 4); /* input */ 440 } else { 441 port = pconinfo.connections[0].port; 442 config[0].endpoint = (port & 0xF); /* output */ 443 config[1].endpoint = (port & 0xF); /* input */ 444 } 445#if 0 446 req.bmRequestType = UT_READ_VENDOR_ENDPOINT; 447 req.bRequest = UVISOR_GET_PALM_INFORMATION; 448 USETW(req.wValue, 0); 449 USETW(req.wIndex, 0); 450 USETW(req.wLength, UVISOR_GET_PALM_INFORMATION_LEN); 451 err = usb2_do_request(udev, &req, buffer); 452 if (err) { 453 goto done; 454 } 455#endif 456 } 457 if (sc->sc_flag & UVISOR_FLAG_PALM35) { 458 /* get the config number */ 459 DPRINTF("getting config info\n"); 460 req.bmRequestType = UT_READ; 461 req.bRequest = UR_GET_CONFIG; 462 USETW(req.wValue, 0); 463 USETW(req.wIndex, 0); 464 USETW(req.wLength, 1); 465 466 err = usb2_do_request(udev, &Giant, &req, buffer); 467 if (err) { 468 goto done; 469 } 470 /* get the interface number */ 471 DPRINTF("get the interface number\n"); 472 req.bmRequestType = UT_READ_DEVICE; 473 req.bRequest = UR_GET_INTERFACE; 474 USETW(req.wValue, 0); 475 USETW(req.wIndex, 0); 476 USETW(req.wLength, 1); 477 err = usb2_do_request(udev, &Giant, &req, buffer); 478 if (err) { 479 goto done; 480 } 481 } 482 DPRINTF("getting available bytes\n"); 483 req.bmRequestType = UT_READ_VENDOR_ENDPOINT; 484 req.bRequest = UVISOR_REQUEST_BYTES_AVAILABLE; 485 USETW(req.wValue, 0); 486 USETW(req.wIndex, 5); 487 USETW(req.wLength, sizeof(wAvail)); 488 err = usb2_do_request(udev, &Giant, &req, &wAvail); 489 if (err) { 490 goto done; 491 } 492 DPRINTF("avail=%d\n", UGETW(wAvail)); 493 494 DPRINTF("done\n"); 495done: 496 return (err); 497} 498 499static void 500uvisor_cfg_open(struct usb2_com_softc *ucom) 501{ 502 return; 503} 504 505static void 506uvisor_cfg_close(struct usb2_com_softc *ucom) 507{ 508 struct uvisor_softc *sc = ucom->sc_parent; 509 uint8_t buffer[UVISOR_CONNECTION_INFO_SIZE]; 510 struct usb2_device_request req; 511 usb2_error_t err; 512 513 req.bmRequestType = UT_READ_VENDOR_ENDPOINT; /* XXX read? */ 514 req.bRequest = UVISOR_CLOSE_NOTIFICATION; 515 USETW(req.wValue, 0); 516 USETW(req.wIndex, 0); 517 USETW(req.wLength, UVISOR_CONNECTION_INFO_SIZE); 518 519 err = usb2_com_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 520 &req, buffer, 0, 1000); 521 if (err) { 522 DPRINTFN(0, "close notification failed, error=%s\n", 523 usb2_errstr(err)); 524 } 525} 526 527static void 528uvisor_start_read(struct usb2_com_softc *ucom) 529{ 530 struct uvisor_softc *sc = ucom->sc_parent; 531 532 usb2_transfer_start(sc->sc_xfer[UVISOR_BULK_DT_RD]); 533} 534 535static void 536uvisor_stop_read(struct usb2_com_softc *ucom) 537{ 538 struct uvisor_softc *sc = ucom->sc_parent; 539 540 usb2_transfer_stop(sc->sc_xfer[UVISOR_BULK_DT_RD]); 541} 542 543static void 544uvisor_start_write(struct usb2_com_softc *ucom) 545{ 546 struct uvisor_softc *sc = ucom->sc_parent; 547 548 usb2_transfer_start(sc->sc_xfer[UVISOR_BULK_DT_WR]); 549} 550 551static void 552uvisor_stop_write(struct usb2_com_softc *ucom) 553{ 554 struct uvisor_softc *sc = ucom->sc_parent; 555 556 usb2_transfer_stop(sc->sc_xfer[UVISOR_BULK_DT_WR]); 557} 558 559static void 560uvisor_write_callback(struct usb2_xfer *xfer) 561{ 562 struct uvisor_softc *sc = xfer->priv_sc; 563 uint32_t actlen; 564 565 switch (USB_GET_STATE(xfer)) { 566 case USB_ST_SETUP: 567 case USB_ST_TRANSFERRED: 568tr_setup: 569 if (usb2_com_get_data(&sc->sc_ucom, xfer->frbuffers, 0, 570 UVISOR_BUFSIZE, &actlen)) { 571 572 xfer->frlengths[0] = actlen; 573 usb2_start_hardware(xfer); 574 } 575 return; 576 577 default: /* Error */ 578 if (xfer->error != USB_ERR_CANCELLED) { 579 /* try to clear stall first */ 580 xfer->flags.stall_pipe = 1; 581 goto tr_setup; 582 } 583 return; 584 } 585} 586 587static void 588uvisor_read_callback(struct usb2_xfer *xfer) 589{ 590 struct uvisor_softc *sc = xfer->priv_sc; 591 592 switch (USB_GET_STATE(xfer)) { 593 case USB_ST_TRANSFERRED: 594 usb2_com_put_data(&sc->sc_ucom, xfer->frbuffers, 0, xfer->actlen); 595 596 case USB_ST_SETUP: 597tr_setup: 598 xfer->frlengths[0] = xfer->max_data_length; 599 usb2_start_hardware(xfer); 600 return; 601 602 default: /* Error */ 603 if (xfer->error != USB_ERR_CANCELLED) { 604 /* try to clear stall first */ 605 xfer->flags.stall_pipe = 1; 606 goto tr_setup; 607 } 608 return; 609 } 610} 611