1 /* $NetBSD: uvisor.c,v 1.9 2001/01/23 14:04:14 augustss Exp $ */ 2 /* $FreeBSD$ */ 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 <sys/stdint.h> 58 #include <sys/stddef.h> 59 #include <sys/param.h> 60 #include <sys/queue.h> 61 #include <sys/types.h> 62 #include <sys/systm.h> 63 #include <sys/kernel.h> 64 #include <sys/bus.h> 65 #include <sys/linker_set.h> 66 #include <sys/module.h> 67 #include <sys/lock.h> 68 #include <sys/mutex.h> 69 #include <sys/condvar.h> 70 #include <sys/sysctl.h> 71 #include <sys/sx.h> 72 #include <sys/unistd.h> 73 #include <sys/callout.h> 74 #include <sys/malloc.h> 75 #include <sys/priv.h> 76 77 #include <dev/usb/usb.h> 78 #include <dev/usb/usbdi.h> 79 #include <dev/usb/usbdi_util.h> 80 #include "usbdevs.h" 81 82 #define USB_DEBUG_VAR uvisor_debug 83 #include <dev/usb/usb_debug.h> 84 #include <dev/usb/usb_process.h> 85 86 #include <dev/usb/serial/usb_serial.h> 87 88 #if USB_DEBUG 89 static int uvisor_debug = 0; 90 91 SYSCTL_NODE(_hw_usb, OID_AUTO, uvisor, CTLFLAG_RW, 0, "USB uvisor"); 92 SYSCTL_INT(_hw_usb_uvisor, OID_AUTO, debug, CTLFLAG_RW, 93 &uvisor_debug, 0, "Debug level"); 94 #endif 95 96 #define UVISOR_CONFIG_INDEX 0 97 #define UVISOR_IFACE_INDEX 0 98 #define UVISOR_BUFSIZE 1024 /* bytes */ 99 100 /* From the Linux driver */ 101 /* 102 * UVISOR_REQUEST_BYTES_AVAILABLE asks the visor for the number of bytes that 103 * are available to be transfered to the host for the specified endpoint. 104 * Currently this is not used, and always returns 0x0001 105 */ 106 #define UVISOR_REQUEST_BYTES_AVAILABLE 0x01 107 108 /* 109 * UVISOR_CLOSE_NOTIFICATION is set to the device to notify it that the host 110 * is now closing the pipe. An empty packet is sent in response. 111 */ 112 #define UVISOR_CLOSE_NOTIFICATION 0x02 113 114 /* 115 * UVISOR_GET_CONNECTION_INFORMATION is sent by the host during enumeration to 116 * get the endpoints used by the connection. 117 */ 118 #define UVISOR_GET_CONNECTION_INFORMATION 0x03 119 120 /* 121 * UVISOR_GET_CONNECTION_INFORMATION returns data in the following format 122 */ 123 #define UVISOR_MAX_CONN 8 124 struct uvisor_connection_info { 125 uWord num_ports; 126 struct { 127 uByte port_function_id; 128 uByte port; 129 } __packed connections[UVISOR_MAX_CONN]; 130 } __packed; 131 132 #define UVISOR_CONNECTION_INFO_SIZE 18 133 134 /* struct uvisor_connection_info.connection[x].port defines: */ 135 #define UVISOR_ENDPOINT_1 0x01 136 #define UVISOR_ENDPOINT_2 0x02 137 138 /* struct uvisor_connection_info.connection[x].port_function_id defines: */ 139 #define UVISOR_FUNCTION_GENERIC 0x00 140 #define UVISOR_FUNCTION_DEBUGGER 0x01 141 #define UVISOR_FUNCTION_HOTSYNC 0x02 142 #define UVISOR_FUNCTION_CONSOLE 0x03 143 #define UVISOR_FUNCTION_REMOTE_FILE_SYS 0x04 144 145 /* 146 * Unknown PalmOS stuff. 147 */ 148 #define UVISOR_GET_PALM_INFORMATION 0x04 149 #define UVISOR_GET_PALM_INFORMATION_LEN 0x44 150 151 struct uvisor_palm_connection_info { 152 uByte num_ports; 153 uByte endpoint_numbers_different; 154 uWord reserved1; 155 struct { 156 uDWord port_function_id; 157 uByte port; 158 uByte end_point_info; 159 uWord reserved; 160 } __packed connections[UVISOR_MAX_CONN]; 161 } __packed; 162 163 enum { 164 UVISOR_BULK_DT_WR, 165 UVISOR_BULK_DT_RD, 166 UVISOR_N_TRANSFER, 167 }; 168 169 struct uvisor_softc { 170 struct ucom_super_softc sc_super_ucom; 171 struct ucom_softc sc_ucom; 172 173 struct usb_xfer *sc_xfer[UVISOR_N_TRANSFER]; 174 struct usb_device *sc_udev; 175 struct mtx sc_mtx; 176 177 uint16_t sc_flag; 178 #define UVISOR_FLAG_PALM4 0x0001 179 #define UVISOR_FLAG_VISOR 0x0002 180 #define UVISOR_FLAG_PALM35 0x0004 181 #define UVISOR_FLAG_SEND_NOTIFY 0x0008 182 183 uint8_t sc_iface_no; 184 uint8_t sc_iface_index; 185 }; 186 187 /* prototypes */ 188 189 static device_probe_t uvisor_probe; 190 static device_attach_t uvisor_attach; 191 static device_detach_t uvisor_detach; 192 193 static usb_callback_t uvisor_write_callback; 194 static usb_callback_t uvisor_read_callback; 195 196 static usb_error_t uvisor_init(struct uvisor_softc *, struct usb_device *, 197 struct usb_config *); 198 static void uvisor_cfg_open(struct ucom_softc *); 199 static void uvisor_cfg_close(struct ucom_softc *); 200 static void uvisor_start_read(struct ucom_softc *); 201 static void uvisor_stop_read(struct ucom_softc *); 202 static void uvisor_start_write(struct ucom_softc *); 203 static void uvisor_stop_write(struct ucom_softc *); 204 205 static const struct usb_config uvisor_config[UVISOR_N_TRANSFER] = { 206 207 [UVISOR_BULK_DT_WR] = { 208 .type = UE_BULK, 209 .endpoint = UE_ADDR_ANY, 210 .direction = UE_DIR_OUT, 211 .bufsize = UVISOR_BUFSIZE, /* bytes */ 212 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 213 .callback = &uvisor_write_callback, 214 }, 215 216 [UVISOR_BULK_DT_RD] = { 217 .type = UE_BULK, 218 .endpoint = UE_ADDR_ANY, 219 .direction = UE_DIR_IN, 220 .bufsize = UVISOR_BUFSIZE, /* bytes */ 221 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 222 .callback = &uvisor_read_callback, 223 }, 224 }; 225 226 static const struct ucom_callback uvisor_callback = { 227 .ucom_cfg_open = &uvisor_cfg_open, 228 .ucom_cfg_close = &uvisor_cfg_close, 229 .ucom_start_read = &uvisor_start_read, 230 .ucom_stop_read = &uvisor_stop_read, 231 .ucom_start_write = &uvisor_start_write, 232 .ucom_stop_write = &uvisor_stop_write, 233 }; 234 235 static device_method_t uvisor_methods[] = { 236 DEVMETHOD(device_probe, uvisor_probe), 237 DEVMETHOD(device_attach, uvisor_attach), 238 DEVMETHOD(device_detach, uvisor_detach), 239 {0, 0} 240 }; 241 242 static devclass_t uvisor_devclass; 243 244 static driver_t uvisor_driver = { 245 .name = "uvisor", 246 .methods = uvisor_methods, 247 .size = sizeof(struct uvisor_softc), 248 }; 249 250 DRIVER_MODULE(uvisor, uhub, uvisor_driver, uvisor_devclass, NULL, 0); 251 MODULE_DEPEND(uvisor, ucom, 1, 1, 1); 252 MODULE_DEPEND(uvisor, usb, 1, 1, 1); 253 254 static const struct usb_device_id uvisor_devs[] = { 255 {USB_VPI(USB_VENDOR_ACEECA, USB_PRODUCT_ACEECA_MEZ1000, UVISOR_FLAG_PALM4)}, 256 {USB_VPI(USB_VENDOR_GARMIN, USB_PRODUCT_GARMIN_IQUE_3600, UVISOR_FLAG_PALM4)}, 257 {USB_VPI(USB_VENDOR_FOSSIL, USB_PRODUCT_FOSSIL_WRISTPDA, UVISOR_FLAG_PALM4)}, 258 {USB_VPI(USB_VENDOR_HANDSPRING, USB_PRODUCT_HANDSPRING_VISOR, UVISOR_FLAG_VISOR)}, 259 {USB_VPI(USB_VENDOR_HANDSPRING, USB_PRODUCT_HANDSPRING_TREO, UVISOR_FLAG_PALM4)}, 260 {USB_VPI(USB_VENDOR_HANDSPRING, USB_PRODUCT_HANDSPRING_TREO600, UVISOR_FLAG_PALM4)}, 261 {USB_VPI(USB_VENDOR_PALM, USB_PRODUCT_PALM_M500, UVISOR_FLAG_PALM4)}, 262 {USB_VPI(USB_VENDOR_PALM, USB_PRODUCT_PALM_M505, UVISOR_FLAG_PALM4)}, 263 {USB_VPI(USB_VENDOR_PALM, USB_PRODUCT_PALM_M515, UVISOR_FLAG_PALM4)}, 264 {USB_VPI(USB_VENDOR_PALM, USB_PRODUCT_PALM_I705, UVISOR_FLAG_PALM4)}, 265 {USB_VPI(USB_VENDOR_PALM, USB_PRODUCT_PALM_M125, UVISOR_FLAG_PALM4)}, 266 {USB_VPI(USB_VENDOR_PALM, USB_PRODUCT_PALM_M130, UVISOR_FLAG_PALM4)}, 267 {USB_VPI(USB_VENDOR_PALM, USB_PRODUCT_PALM_TUNGSTEN_Z, UVISOR_FLAG_PALM4)}, 268 {USB_VPI(USB_VENDOR_PALM, USB_PRODUCT_PALM_TUNGSTEN_T, UVISOR_FLAG_PALM4)}, 269 {USB_VPI(USB_VENDOR_PALM, USB_PRODUCT_PALM_ZIRE, UVISOR_FLAG_PALM4)}, 270 {USB_VPI(USB_VENDOR_PALM, USB_PRODUCT_PALM_ZIRE31, UVISOR_FLAG_PALM4)}, 271 {USB_VPI(USB_VENDOR_SAMSUNG, USB_PRODUCT_SAMSUNG_I500, UVISOR_FLAG_PALM4)}, 272 {USB_VPI(USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_40, 0)}, 273 {USB_VPI(USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_41, UVISOR_FLAG_PALM4)}, 274 {USB_VPI(USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_S360, UVISOR_FLAG_PALM4)}, 275 {USB_VPI(USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_NX60, UVISOR_FLAG_PALM4)}, 276 {USB_VPI(USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_35, UVISOR_FLAG_PALM35)}, 277 /* {USB_VPI(USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_25, UVISOR_FLAG_PALM4 )}, */ 278 {USB_VPI(USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_TJ37, UVISOR_FLAG_PALM4)}, 279 /* {USB_VPI(USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_TH55, UVISOR_FLAG_PALM4 )}, See PR 80935 */ 280 {USB_VPI(USB_VENDOR_TAPWAVE, USB_PRODUCT_TAPWAVE_ZODIAC, UVISOR_FLAG_PALM4)}, 281 }; 282 283 static int 284 uvisor_probe(device_t dev) 285 { 286 struct usb_attach_arg *uaa = device_get_ivars(dev); 287 288 if (uaa->usb_mode != USB_MODE_HOST) { 289 return (ENXIO); 290 } 291 if (uaa->info.bConfigIndex != UVISOR_CONFIG_INDEX) { 292 return (ENXIO); 293 } 294 if (uaa->info.bIfaceIndex != UVISOR_IFACE_INDEX) { 295 return (ENXIO); 296 } 297 return (usbd_lookup_id_by_uaa(uvisor_devs, sizeof(uvisor_devs), uaa)); 298 } 299 300 static int 301 uvisor_attach(device_t dev) 302 { 303 struct usb_attach_arg *uaa = device_get_ivars(dev); 304 struct uvisor_softc *sc = device_get_softc(dev); 305 struct usb_config uvisor_config_copy[UVISOR_N_TRANSFER]; 306 int error; 307 308 DPRINTF("sc=%p\n", sc); 309 bcopy(uvisor_config, uvisor_config_copy, 310 sizeof(uvisor_config_copy)); 311 device_set_usb_desc(dev); 312 313 mtx_init(&sc->sc_mtx, "uvisor", NULL, MTX_DEF); 314 315 sc->sc_udev = uaa->device; 316 317 /* configure the device */ 318 319 sc->sc_flag = USB_GET_DRIVER_INFO(uaa); 320 sc->sc_iface_no = uaa->info.bIfaceNum; 321 sc->sc_iface_index = UVISOR_IFACE_INDEX; 322 323 error = uvisor_init(sc, uaa->device, uvisor_config_copy); 324 325 if (error) { 326 DPRINTF("init failed, error=%s\n", 327 usbd_errstr(error)); 328 goto detach; 329 } 330 error = usbd_transfer_setup(uaa->device, &sc->sc_iface_index, 331 sc->sc_xfer, uvisor_config_copy, UVISOR_N_TRANSFER, 332 sc, &sc->sc_mtx); 333 if (error) { 334 DPRINTF("could not allocate all pipes\n"); 335 goto detach; 336 } 337 /* clear stall at first run */ 338 mtx_lock(&sc->sc_mtx); 339 usbd_xfer_set_stall(sc->sc_xfer[UVISOR_BULK_DT_WR]); 340 usbd_xfer_set_stall(sc->sc_xfer[UVISOR_BULK_DT_RD]); 341 mtx_unlock(&sc->sc_mtx); 342 343 error = ucom_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc, 344 &uvisor_callback, &sc->sc_mtx); 345 if (error) { 346 DPRINTF("ucom_attach failed\n"); 347 goto detach; 348 } 349 return (0); 350 351 detach: 352 uvisor_detach(dev); 353 return (ENXIO); 354 } 355 356 static int 357 uvisor_detach(device_t dev) 358 { 359 struct uvisor_softc *sc = device_get_softc(dev); 360 361 DPRINTF("sc=%p\n", sc); 362 363 ucom_detach(&sc->sc_super_ucom, &sc->sc_ucom, 1); 364 usbd_transfer_unsetup(sc->sc_xfer, UVISOR_N_TRANSFER); 365 mtx_destroy(&sc->sc_mtx); 366 367 return (0); 368 } 369 370 static usb_error_t 371 uvisor_init(struct uvisor_softc *sc, struct usb_device *udev, struct usb_config *config) 372 { 373 usb_error_t err = 0; 374 struct usb_device_request req; 375 struct uvisor_connection_info coninfo; 376 struct uvisor_palm_connection_info pconinfo; 377 uint16_t actlen; 378 uWord wAvail; 379 uint8_t buffer[256]; 380 381 if (sc->sc_flag & UVISOR_FLAG_VISOR) { 382 DPRINTF("getting connection info\n"); 383 req.bmRequestType = UT_READ_VENDOR_ENDPOINT; 384 req.bRequest = UVISOR_GET_CONNECTION_INFORMATION; 385 USETW(req.wValue, 0); 386 USETW(req.wIndex, 0); 387 USETW(req.wLength, UVISOR_CONNECTION_INFO_SIZE); 388 err = usbd_do_request_flags(udev, NULL, 389 &req, &coninfo, USB_SHORT_XFER_OK, 390 &actlen, USB_DEFAULT_TIMEOUT); 391 392 if (err) { 393 goto done; 394 } 395 } 396 #if USB_DEBUG 397 if (sc->sc_flag & UVISOR_FLAG_VISOR) { 398 uint16_t i, np; 399 const char *desc; 400 401 np = UGETW(coninfo.num_ports); 402 if (np > UVISOR_MAX_CONN) { 403 np = UVISOR_MAX_CONN; 404 } 405 DPRINTF("Number of ports: %d\n", np); 406 407 for (i = 0; i < np; ++i) { 408 switch (coninfo.connections[i].port_function_id) { 409 case UVISOR_FUNCTION_GENERIC: 410 desc = "Generic"; 411 break; 412 case UVISOR_FUNCTION_DEBUGGER: 413 desc = "Debugger"; 414 break; 415 case UVISOR_FUNCTION_HOTSYNC: 416 desc = "HotSync"; 417 break; 418 case UVISOR_FUNCTION_REMOTE_FILE_SYS: 419 desc = "Remote File System"; 420 break; 421 default: 422 desc = "unknown"; 423 break; 424 } 425 DPRINTF("Port %d is for %s\n", 426 coninfo.connections[i].port, desc); 427 } 428 } 429 #endif 430 431 if (sc->sc_flag & UVISOR_FLAG_PALM4) { 432 uint8_t port; 433 434 /* Palm OS 4.0 Hack */ 435 req.bmRequestType = UT_READ_VENDOR_ENDPOINT; 436 req.bRequest = UVISOR_GET_PALM_INFORMATION; 437 USETW(req.wValue, 0); 438 USETW(req.wIndex, 0); 439 USETW(req.wLength, UVISOR_GET_PALM_INFORMATION_LEN); 440 441 err = usbd_do_request_flags 442 (udev, NULL, &req, &pconinfo, USB_SHORT_XFER_OK, 443 &actlen, USB_DEFAULT_TIMEOUT); 444 445 if (err) { 446 goto done; 447 } 448 if (actlen < 12) { 449 DPRINTF("too little data\n"); 450 err = USB_ERR_INVAL; 451 goto done; 452 } 453 if (pconinfo.endpoint_numbers_different) { 454 port = pconinfo.connections[0].end_point_info; 455 config[0].endpoint = (port & 0xF); /* output */ 456 config[1].endpoint = (port >> 4); /* input */ 457 } else { 458 port = pconinfo.connections[0].port; 459 config[0].endpoint = (port & 0xF); /* output */ 460 config[1].endpoint = (port & 0xF); /* input */ 461 } 462 #if 0 463 req.bmRequestType = UT_READ_VENDOR_ENDPOINT; 464 req.bRequest = UVISOR_GET_PALM_INFORMATION; 465 USETW(req.wValue, 0); 466 USETW(req.wIndex, 0); 467 USETW(req.wLength, UVISOR_GET_PALM_INFORMATION_LEN); 468 err = usbd_do_request(udev, &req, buffer); 469 if (err) { 470 goto done; 471 } 472 #endif 473 } 474 if (sc->sc_flag & UVISOR_FLAG_PALM35) { 475 /* get the config number */ 476 DPRINTF("getting config info\n"); 477 req.bmRequestType = UT_READ; 478 req.bRequest = UR_GET_CONFIG; 479 USETW(req.wValue, 0); 480 USETW(req.wIndex, 0); 481 USETW(req.wLength, 1); 482 483 err = usbd_do_request(udev, NULL, &req, buffer); 484 if (err) { 485 goto done; 486 } 487 /* get the interface number */ 488 DPRINTF("get the interface number\n"); 489 req.bmRequestType = UT_READ_DEVICE; 490 req.bRequest = UR_GET_INTERFACE; 491 USETW(req.wValue, 0); 492 USETW(req.wIndex, 0); 493 USETW(req.wLength, 1); 494 err = usbd_do_request(udev, NULL, &req, buffer); 495 if (err) { 496 goto done; 497 } 498 } 499 DPRINTF("getting available bytes\n"); 500 req.bmRequestType = UT_READ_VENDOR_ENDPOINT; 501 req.bRequest = UVISOR_REQUEST_BYTES_AVAILABLE; 502 USETW(req.wValue, 0); 503 USETW(req.wIndex, 5); 504 USETW(req.wLength, sizeof(wAvail)); 505 err = usbd_do_request(udev, NULL, &req, &wAvail); 506 if (err) { 507 goto done; 508 } 509 DPRINTF("avail=%d\n", UGETW(wAvail)); 510 511 DPRINTF("done\n"); 512 done: 513 return (err); 514 } 515 516 static void 517 uvisor_cfg_open(struct ucom_softc *ucom) 518 { 519 return; 520 } 521 522 static void 523 uvisor_cfg_close(struct ucom_softc *ucom) 524 { 525 struct uvisor_softc *sc = ucom->sc_parent; 526 uint8_t buffer[UVISOR_CONNECTION_INFO_SIZE]; 527 struct usb_device_request req; 528 usb_error_t err; 529 530 req.bmRequestType = UT_READ_VENDOR_ENDPOINT; /* XXX read? */ 531 req.bRequest = UVISOR_CLOSE_NOTIFICATION; 532 USETW(req.wValue, 0); 533 USETW(req.wIndex, 0); 534 USETW(req.wLength, UVISOR_CONNECTION_INFO_SIZE); 535 536 err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 537 &req, buffer, 0, 1000); 538 if (err) { 539 DPRINTFN(0, "close notification failed, error=%s\n", 540 usbd_errstr(err)); 541 } 542 } 543 544 static void 545 uvisor_start_read(struct ucom_softc *ucom) 546 { 547 struct uvisor_softc *sc = ucom->sc_parent; 548 549 usbd_transfer_start(sc->sc_xfer[UVISOR_BULK_DT_RD]); 550 } 551 552 static void 553 uvisor_stop_read(struct ucom_softc *ucom) 554 { 555 struct uvisor_softc *sc = ucom->sc_parent; 556 557 usbd_transfer_stop(sc->sc_xfer[UVISOR_BULK_DT_RD]); 558 } 559 560 static void 561 uvisor_start_write(struct ucom_softc *ucom) 562 { 563 struct uvisor_softc *sc = ucom->sc_parent; 564 565 usbd_transfer_start(sc->sc_xfer[UVISOR_BULK_DT_WR]); 566 } 567 568 static void 569 uvisor_stop_write(struct ucom_softc *ucom) 570 { 571 struct uvisor_softc *sc = ucom->sc_parent; 572 573 usbd_transfer_stop(sc->sc_xfer[UVISOR_BULK_DT_WR]); 574 } 575 576 static void 577 uvisor_write_callback(struct usb_xfer *xfer, usb_error_t error) 578 { 579 struct uvisor_softc *sc = usbd_xfer_softc(xfer); 580 struct usb_page_cache *pc; 581 uint32_t actlen; 582 583 switch (USB_GET_STATE(xfer)) { 584 case USB_ST_SETUP: 585 case USB_ST_TRANSFERRED: 586 tr_setup: 587 pc = usbd_xfer_get_frame(xfer, 0); 588 if (ucom_get_data(&sc->sc_ucom, pc, 0, 589 UVISOR_BUFSIZE, &actlen)) { 590 591 usbd_xfer_set_frame_len(xfer, 0, actlen); 592 usbd_transfer_submit(xfer); 593 } 594 return; 595 596 default: /* Error */ 597 if (error != USB_ERR_CANCELLED) { 598 /* try to clear stall first */ 599 usbd_xfer_set_stall(xfer); 600 goto tr_setup; 601 } 602 return; 603 } 604 } 605 606 static void 607 uvisor_read_callback(struct usb_xfer *xfer, usb_error_t error) 608 { 609 struct uvisor_softc *sc = usbd_xfer_softc(xfer); 610 struct usb_page_cache *pc; 611 int actlen; 612 613 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 614 615 switch (USB_GET_STATE(xfer)) { 616 case USB_ST_TRANSFERRED: 617 pc = usbd_xfer_get_frame(xfer, 0); 618 ucom_put_data(&sc->sc_ucom, pc, 0, actlen); 619 620 case USB_ST_SETUP: 621 tr_setup: 622 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 623 usbd_transfer_submit(xfer); 624 return; 625 626 default: /* Error */ 627 if (error != USB_ERR_CANCELLED) { 628 /* try to clear stall first */ 629 usbd_xfer_set_stall(xfer); 630 goto tr_setup; 631 } 632 return; 633 } 634 } 635