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 99 /* 100 * The following buffer sizes are hardcoded due to the way the Palm 101 * firmware works. It looks like the device is not short terminating 102 * the data transferred. 103 */ 104 #define UVISORIBUFSIZE 0 /* Use wMaxPacketSize */ 105 #define UVISOROBUFSIZE 32 /* bytes */ 106 #define UVISOROFRAMES 32 /* units */ 107 108 /* From the Linux driver */ 109 /* 110 * UVISOR_REQUEST_BYTES_AVAILABLE asks the visor for the number of bytes that 111 * are available to be transfered to the host for the specified endpoint. 112 * Currently this is not used, and always returns 0x0001 113 */ 114 #define UVISOR_REQUEST_BYTES_AVAILABLE 0x01 115 116 /* 117 * UVISOR_CLOSE_NOTIFICATION is set to the device to notify it that the host 118 * is now closing the pipe. An empty packet is sent in response. 119 */ 120 #define UVISOR_CLOSE_NOTIFICATION 0x02 121 122 /* 123 * UVISOR_GET_CONNECTION_INFORMATION is sent by the host during enumeration to 124 * get the endpoints used by the connection. 125 */ 126 #define UVISOR_GET_CONNECTION_INFORMATION 0x03 127 128 /* 129 * UVISOR_GET_CONNECTION_INFORMATION returns data in the following format 130 */ 131 #define UVISOR_MAX_CONN 8 132 struct uvisor_connection_info { 133 uWord num_ports; 134 struct { 135 uByte port_function_id; 136 uByte port; 137 } __packed connections[UVISOR_MAX_CONN]; 138 } __packed; 139 140 #define UVISOR_CONNECTION_INFO_SIZE 18 141 142 /* struct uvisor_connection_info.connection[x].port defines: */ 143 #define UVISOR_ENDPOINT_1 0x01 144 #define UVISOR_ENDPOINT_2 0x02 145 146 /* struct uvisor_connection_info.connection[x].port_function_id defines: */ 147 #define UVISOR_FUNCTION_GENERIC 0x00 148 #define UVISOR_FUNCTION_DEBUGGER 0x01 149 #define UVISOR_FUNCTION_HOTSYNC 0x02 150 #define UVISOR_FUNCTION_CONSOLE 0x03 151 #define UVISOR_FUNCTION_REMOTE_FILE_SYS 0x04 152 153 /* 154 * Unknown PalmOS stuff. 155 */ 156 #define UVISOR_GET_PALM_INFORMATION 0x04 157 #define UVISOR_GET_PALM_INFORMATION_LEN 0x44 158 159 struct uvisor_palm_connection_info { 160 uByte num_ports; 161 uByte endpoint_numbers_different; 162 uWord reserved1; 163 struct { 164 uDWord port_function_id; 165 uByte port; 166 uByte end_point_info; 167 uWord reserved; 168 } __packed connections[UVISOR_MAX_CONN]; 169 } __packed; 170 171 enum { 172 UVISOR_BULK_DT_WR, 173 UVISOR_BULK_DT_RD, 174 UVISOR_N_TRANSFER, 175 }; 176 177 struct uvisor_softc { 178 struct ucom_super_softc sc_super_ucom; 179 struct ucom_softc sc_ucom; 180 181 struct usb_xfer *sc_xfer[UVISOR_N_TRANSFER]; 182 struct usb_device *sc_udev; 183 struct mtx sc_mtx; 184 185 uint16_t sc_flag; 186 #define UVISOR_FLAG_PALM4 0x0001 187 #define UVISOR_FLAG_VISOR 0x0002 188 #define UVISOR_FLAG_PALM35 0x0004 189 #define UVISOR_FLAG_SEND_NOTIFY 0x0008 190 191 uint8_t sc_iface_no; 192 uint8_t sc_iface_index; 193 }; 194 195 /* prototypes */ 196 197 static device_probe_t uvisor_probe; 198 static device_attach_t uvisor_attach; 199 static device_detach_t uvisor_detach; 200 201 static usb_callback_t uvisor_write_callback; 202 static usb_callback_t uvisor_read_callback; 203 204 static usb_error_t uvisor_init(struct uvisor_softc *, struct usb_device *, 205 struct usb_config *); 206 static void uvisor_cfg_open(struct ucom_softc *); 207 static void uvisor_cfg_close(struct ucom_softc *); 208 static void uvisor_start_read(struct ucom_softc *); 209 static void uvisor_stop_read(struct ucom_softc *); 210 static void uvisor_start_write(struct ucom_softc *); 211 static void uvisor_stop_write(struct ucom_softc *); 212 213 static const struct usb_config uvisor_config[UVISOR_N_TRANSFER] = { 214 215 [UVISOR_BULK_DT_WR] = { 216 .type = UE_BULK, 217 .endpoint = UE_ADDR_ANY, 218 .direction = UE_DIR_OUT, 219 .bufsize = UVISOROBUFSIZE * UVISOROFRAMES, 220 .frames = UVISOROFRAMES, 221 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 222 .callback = &uvisor_write_callback, 223 }, 224 225 [UVISOR_BULK_DT_RD] = { 226 .type = UE_BULK, 227 .endpoint = UE_ADDR_ANY, 228 .direction = UE_DIR_IN, 229 .bufsize = UVISORIBUFSIZE, 230 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 231 .callback = &uvisor_read_callback, 232 }, 233 }; 234 235 static const struct ucom_callback uvisor_callback = { 236 .ucom_cfg_open = &uvisor_cfg_open, 237 .ucom_cfg_close = &uvisor_cfg_close, 238 .ucom_start_read = &uvisor_start_read, 239 .ucom_stop_read = &uvisor_stop_read, 240 .ucom_start_write = &uvisor_start_write, 241 .ucom_stop_write = &uvisor_stop_write, 242 }; 243 244 static device_method_t uvisor_methods[] = { 245 DEVMETHOD(device_probe, uvisor_probe), 246 DEVMETHOD(device_attach, uvisor_attach), 247 DEVMETHOD(device_detach, uvisor_detach), 248 {0, 0} 249 }; 250 251 static devclass_t uvisor_devclass; 252 253 static driver_t uvisor_driver = { 254 .name = "uvisor", 255 .methods = uvisor_methods, 256 .size = sizeof(struct uvisor_softc), 257 }; 258 259 DRIVER_MODULE(uvisor, uhub, uvisor_driver, uvisor_devclass, NULL, 0); 260 MODULE_DEPEND(uvisor, ucom, 1, 1, 1); 261 MODULE_DEPEND(uvisor, usb, 1, 1, 1); 262 263 static const struct usb_device_id uvisor_devs[] = { 264 {USB_VPI(USB_VENDOR_ACEECA, USB_PRODUCT_ACEECA_MEZ1000, UVISOR_FLAG_PALM4)}, 265 {USB_VPI(USB_VENDOR_GARMIN, USB_PRODUCT_GARMIN_IQUE_3600, UVISOR_FLAG_PALM4)}, 266 {USB_VPI(USB_VENDOR_FOSSIL, USB_PRODUCT_FOSSIL_WRISTPDA, UVISOR_FLAG_PALM4)}, 267 {USB_VPI(USB_VENDOR_HANDSPRING, USB_PRODUCT_HANDSPRING_VISOR, UVISOR_FLAG_VISOR)}, 268 {USB_VPI(USB_VENDOR_HANDSPRING, USB_PRODUCT_HANDSPRING_TREO, UVISOR_FLAG_PALM4)}, 269 {USB_VPI(USB_VENDOR_HANDSPRING, USB_PRODUCT_HANDSPRING_TREO600, UVISOR_FLAG_PALM4)}, 270 {USB_VPI(USB_VENDOR_PALM, USB_PRODUCT_PALM_M500, UVISOR_FLAG_PALM4)}, 271 {USB_VPI(USB_VENDOR_PALM, USB_PRODUCT_PALM_M505, UVISOR_FLAG_PALM4)}, 272 {USB_VPI(USB_VENDOR_PALM, USB_PRODUCT_PALM_M515, UVISOR_FLAG_PALM4)}, 273 {USB_VPI(USB_VENDOR_PALM, USB_PRODUCT_PALM_I705, UVISOR_FLAG_PALM4)}, 274 {USB_VPI(USB_VENDOR_PALM, USB_PRODUCT_PALM_M125, UVISOR_FLAG_PALM4)}, 275 {USB_VPI(USB_VENDOR_PALM, USB_PRODUCT_PALM_M130, UVISOR_FLAG_PALM4)}, 276 {USB_VPI(USB_VENDOR_PALM, USB_PRODUCT_PALM_TUNGSTEN_Z, UVISOR_FLAG_PALM4)}, 277 {USB_VPI(USB_VENDOR_PALM, USB_PRODUCT_PALM_TUNGSTEN_T, UVISOR_FLAG_PALM4)}, 278 {USB_VPI(USB_VENDOR_PALM, USB_PRODUCT_PALM_ZIRE, UVISOR_FLAG_PALM4)}, 279 {USB_VPI(USB_VENDOR_PALM, USB_PRODUCT_PALM_ZIRE31, UVISOR_FLAG_PALM4)}, 280 {USB_VPI(USB_VENDOR_SAMSUNG, USB_PRODUCT_SAMSUNG_I500, UVISOR_FLAG_PALM4)}, 281 {USB_VPI(USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_40, 0)}, 282 {USB_VPI(USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_41, 0)}, 283 {USB_VPI(USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_S360, UVISOR_FLAG_PALM4)}, 284 {USB_VPI(USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_NX60, UVISOR_FLAG_PALM4)}, 285 {USB_VPI(USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_35, UVISOR_FLAG_PALM35)}, 286 /* {USB_VPI(USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_25, UVISOR_FLAG_PALM4 )}, */ 287 {USB_VPI(USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_TJ37, UVISOR_FLAG_PALM4)}, 288 /* {USB_VPI(USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_TH55, UVISOR_FLAG_PALM4 )}, See PR 80935 */ 289 {USB_VPI(USB_VENDOR_TAPWAVE, USB_PRODUCT_TAPWAVE_ZODIAC, UVISOR_FLAG_PALM4)}, 290 }; 291 292 static int 293 uvisor_probe(device_t dev) 294 { 295 struct usb_attach_arg *uaa = device_get_ivars(dev); 296 297 if (uaa->usb_mode != USB_MODE_HOST) { 298 return (ENXIO); 299 } 300 if (uaa->info.bConfigIndex != UVISOR_CONFIG_INDEX) { 301 return (ENXIO); 302 } 303 if (uaa->info.bIfaceIndex != UVISOR_IFACE_INDEX) { 304 return (ENXIO); 305 } 306 return (usbd_lookup_id_by_uaa(uvisor_devs, sizeof(uvisor_devs), uaa)); 307 } 308 309 static int 310 uvisor_attach(device_t dev) 311 { 312 struct usb_attach_arg *uaa = device_get_ivars(dev); 313 struct uvisor_softc *sc = device_get_softc(dev); 314 struct usb_config uvisor_config_copy[UVISOR_N_TRANSFER]; 315 int error; 316 317 DPRINTF("sc=%p\n", sc); 318 bcopy(uvisor_config, uvisor_config_copy, 319 sizeof(uvisor_config_copy)); 320 device_set_usb_desc(dev); 321 322 mtx_init(&sc->sc_mtx, "uvisor", NULL, MTX_DEF); 323 324 sc->sc_udev = uaa->device; 325 326 /* configure the device */ 327 328 sc->sc_flag = USB_GET_DRIVER_INFO(uaa); 329 sc->sc_iface_no = uaa->info.bIfaceNum; 330 sc->sc_iface_index = UVISOR_IFACE_INDEX; 331 332 error = uvisor_init(sc, uaa->device, uvisor_config_copy); 333 334 if (error) { 335 DPRINTF("init failed, error=%s\n", 336 usbd_errstr(error)); 337 goto detach; 338 } 339 error = usbd_transfer_setup(uaa->device, &sc->sc_iface_index, 340 sc->sc_xfer, uvisor_config_copy, UVISOR_N_TRANSFER, 341 sc, &sc->sc_mtx); 342 if (error) { 343 DPRINTF("could not allocate all pipes\n"); 344 goto detach; 345 } 346 /* clear stall at first run */ 347 mtx_lock(&sc->sc_mtx); 348 usbd_xfer_set_stall(sc->sc_xfer[UVISOR_BULK_DT_WR]); 349 usbd_xfer_set_stall(sc->sc_xfer[UVISOR_BULK_DT_RD]); 350 mtx_unlock(&sc->sc_mtx); 351 352 error = ucom_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc, 353 &uvisor_callback, &sc->sc_mtx); 354 if (error) { 355 DPRINTF("ucom_attach failed\n"); 356 goto detach; 357 } 358 return (0); 359 360 detach: 361 uvisor_detach(dev); 362 return (ENXIO); 363 } 364 365 static int 366 uvisor_detach(device_t dev) 367 { 368 struct uvisor_softc *sc = device_get_softc(dev); 369 370 DPRINTF("sc=%p\n", sc); 371 372 ucom_detach(&sc->sc_super_ucom, &sc->sc_ucom, 1); 373 usbd_transfer_unsetup(sc->sc_xfer, UVISOR_N_TRANSFER); 374 mtx_destroy(&sc->sc_mtx); 375 376 return (0); 377 } 378 379 static usb_error_t 380 uvisor_init(struct uvisor_softc *sc, struct usb_device *udev, struct usb_config *config) 381 { 382 usb_error_t err = 0; 383 struct usb_device_request req; 384 struct uvisor_connection_info coninfo; 385 struct uvisor_palm_connection_info pconinfo; 386 uint16_t actlen; 387 uint8_t buffer[256]; 388 389 if (sc->sc_flag & UVISOR_FLAG_VISOR) { 390 DPRINTF("getting connection info\n"); 391 req.bmRequestType = UT_READ_VENDOR_ENDPOINT; 392 req.bRequest = UVISOR_GET_CONNECTION_INFORMATION; 393 USETW(req.wValue, 0); 394 USETW(req.wIndex, 0); 395 USETW(req.wLength, UVISOR_CONNECTION_INFO_SIZE); 396 err = usbd_do_request_flags(udev, NULL, 397 &req, &coninfo, USB_SHORT_XFER_OK, 398 &actlen, USB_DEFAULT_TIMEOUT); 399 400 if (err) { 401 goto done; 402 } 403 } 404 #if USB_DEBUG 405 if (sc->sc_flag & UVISOR_FLAG_VISOR) { 406 uint16_t i, np; 407 const char *desc; 408 409 np = UGETW(coninfo.num_ports); 410 if (np > UVISOR_MAX_CONN) { 411 np = UVISOR_MAX_CONN; 412 } 413 DPRINTF("Number of ports: %d\n", np); 414 415 for (i = 0; i < np; ++i) { 416 switch (coninfo.connections[i].port_function_id) { 417 case UVISOR_FUNCTION_GENERIC: 418 desc = "Generic"; 419 break; 420 case UVISOR_FUNCTION_DEBUGGER: 421 desc = "Debugger"; 422 break; 423 case UVISOR_FUNCTION_HOTSYNC: 424 desc = "HotSync"; 425 break; 426 case UVISOR_FUNCTION_REMOTE_FILE_SYS: 427 desc = "Remote File System"; 428 break; 429 default: 430 desc = "unknown"; 431 break; 432 } 433 DPRINTF("Port %d is for %s\n", 434 coninfo.connections[i].port, desc); 435 } 436 } 437 #endif 438 439 if (sc->sc_flag & UVISOR_FLAG_PALM4) { 440 uint8_t port; 441 442 /* Palm OS 4.0 Hack */ 443 req.bmRequestType = UT_READ_VENDOR_ENDPOINT; 444 req.bRequest = UVISOR_GET_PALM_INFORMATION; 445 USETW(req.wValue, 0); 446 USETW(req.wIndex, 0); 447 USETW(req.wLength, UVISOR_GET_PALM_INFORMATION_LEN); 448 449 err = usbd_do_request_flags 450 (udev, NULL, &req, &pconinfo, USB_SHORT_XFER_OK, 451 &actlen, USB_DEFAULT_TIMEOUT); 452 453 if (err) { 454 goto done; 455 } 456 if (actlen < 12) { 457 DPRINTF("too little data\n"); 458 err = USB_ERR_INVAL; 459 goto done; 460 } 461 if (pconinfo.endpoint_numbers_different) { 462 port = pconinfo.connections[0].end_point_info; 463 config[0].endpoint = (port & 0xF); /* output */ 464 config[1].endpoint = (port >> 4); /* input */ 465 } else { 466 port = pconinfo.connections[0].port; 467 config[0].endpoint = (port & 0xF); /* output */ 468 config[1].endpoint = (port & 0xF); /* input */ 469 } 470 #if 0 471 req.bmRequestType = UT_READ_VENDOR_ENDPOINT; 472 req.bRequest = UVISOR_GET_PALM_INFORMATION; 473 USETW(req.wValue, 0); 474 USETW(req.wIndex, 0); 475 USETW(req.wLength, UVISOR_GET_PALM_INFORMATION_LEN); 476 err = usbd_do_request(udev, &req, buffer); 477 if (err) { 478 goto done; 479 } 480 #endif 481 } 482 if (sc->sc_flag & UVISOR_FLAG_PALM35) { 483 /* get the config number */ 484 DPRINTF("getting config info\n"); 485 req.bmRequestType = UT_READ; 486 req.bRequest = UR_GET_CONFIG; 487 USETW(req.wValue, 0); 488 USETW(req.wIndex, 0); 489 USETW(req.wLength, 1); 490 491 err = usbd_do_request(udev, NULL, &req, buffer); 492 if (err) { 493 goto done; 494 } 495 /* get the interface number */ 496 DPRINTF("get the interface number\n"); 497 req.bmRequestType = UT_READ_DEVICE; 498 req.bRequest = UR_GET_INTERFACE; 499 USETW(req.wValue, 0); 500 USETW(req.wIndex, 0); 501 USETW(req.wLength, 1); 502 err = usbd_do_request(udev, NULL, &req, buffer); 503 if (err) { 504 goto done; 505 } 506 } 507 #if 0 508 uWord wAvail; 509 510 DPRINTF("getting available bytes\n"); 511 req.bmRequestType = UT_READ_VENDOR_ENDPOINT; 512 req.bRequest = UVISOR_REQUEST_BYTES_AVAILABLE; 513 USETW(req.wValue, 0); 514 USETW(req.wIndex, 5); 515 USETW(req.wLength, sizeof(wAvail)); 516 err = usbd_do_request(udev, NULL, &req, &wAvail); 517 if (err) { 518 goto done; 519 } 520 DPRINTF("avail=%d\n", UGETW(wAvail)); 521 #endif 522 523 DPRINTF("done\n"); 524 done: 525 return (err); 526 } 527 528 static void 529 uvisor_cfg_open(struct ucom_softc *ucom) 530 { 531 return; 532 } 533 534 static void 535 uvisor_cfg_close(struct ucom_softc *ucom) 536 { 537 struct uvisor_softc *sc = ucom->sc_parent; 538 uint8_t buffer[UVISOR_CONNECTION_INFO_SIZE]; 539 struct usb_device_request req; 540 usb_error_t err; 541 542 req.bmRequestType = UT_READ_VENDOR_ENDPOINT; /* XXX read? */ 543 req.bRequest = UVISOR_CLOSE_NOTIFICATION; 544 USETW(req.wValue, 0); 545 USETW(req.wIndex, 0); 546 USETW(req.wLength, UVISOR_CONNECTION_INFO_SIZE); 547 548 err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 549 &req, buffer, 0, 1000); 550 if (err) { 551 DPRINTFN(0, "close notification failed, error=%s\n", 552 usbd_errstr(err)); 553 } 554 } 555 556 static void 557 uvisor_start_read(struct ucom_softc *ucom) 558 { 559 struct uvisor_softc *sc = ucom->sc_parent; 560 561 usbd_transfer_start(sc->sc_xfer[UVISOR_BULK_DT_RD]); 562 } 563 564 static void 565 uvisor_stop_read(struct ucom_softc *ucom) 566 { 567 struct uvisor_softc *sc = ucom->sc_parent; 568 569 usbd_transfer_stop(sc->sc_xfer[UVISOR_BULK_DT_RD]); 570 } 571 572 static void 573 uvisor_start_write(struct ucom_softc *ucom) 574 { 575 struct uvisor_softc *sc = ucom->sc_parent; 576 577 usbd_transfer_start(sc->sc_xfer[UVISOR_BULK_DT_WR]); 578 } 579 580 static void 581 uvisor_stop_write(struct ucom_softc *ucom) 582 { 583 struct uvisor_softc *sc = ucom->sc_parent; 584 585 usbd_transfer_stop(sc->sc_xfer[UVISOR_BULK_DT_WR]); 586 } 587 588 static void 589 uvisor_write_callback(struct usb_xfer *xfer, usb_error_t error) 590 { 591 struct uvisor_softc *sc = usbd_xfer_softc(xfer); 592 struct usb_page_cache *pc; 593 uint32_t actlen; 594 uint8_t x; 595 596 switch (USB_GET_STATE(xfer)) { 597 case USB_ST_SETUP: 598 case USB_ST_TRANSFERRED: 599 tr_setup: 600 for (x = 0; x != UVISOROFRAMES; x++) { 601 602 usbd_xfer_set_frame_offset(xfer, 603 x * UVISOROBUFSIZE, x); 604 605 pc = usbd_xfer_get_frame(xfer, x); 606 if (ucom_get_data(&sc->sc_ucom, pc, 0, 607 UVISOROBUFSIZE, &actlen)) { 608 usbd_xfer_set_frame_len(xfer, x, actlen); 609 } else { 610 break; 611 } 612 } 613 /* check for data */ 614 if (x != 0) { 615 usbd_xfer_set_frames(xfer, x); 616 usbd_transfer_submit(xfer); 617 } 618 break; 619 620 default: /* Error */ 621 if (error != USB_ERR_CANCELLED) { 622 /* try to clear stall first */ 623 usbd_xfer_set_stall(xfer); 624 goto tr_setup; 625 } 626 break; 627 } 628 } 629 630 static void 631 uvisor_read_callback(struct usb_xfer *xfer, usb_error_t error) 632 { 633 struct uvisor_softc *sc = usbd_xfer_softc(xfer); 634 struct usb_page_cache *pc; 635 int actlen; 636 637 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 638 639 switch (USB_GET_STATE(xfer)) { 640 case USB_ST_TRANSFERRED: 641 pc = usbd_xfer_get_frame(xfer, 0); 642 ucom_put_data(&sc->sc_ucom, pc, 0, actlen); 643 644 case USB_ST_SETUP: 645 tr_setup: 646 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 647 usbd_transfer_submit(xfer); 648 return; 649 650 default: /* Error */ 651 if (error != USB_ERR_CANCELLED) { 652 /* try to clear stall first */ 653 usbd_xfer_set_stall(xfer); 654 goto tr_setup; 655 } 656 return; 657 } 658 } 659