1 /* 2 * USB HandSpring Visor, Palm m50x, and Sony Clie driver 3 * (supports all of the Palm OS USB devices) 4 * 5 * Copyright (C) 1999 - 2004 6 * Greg Kroah-Hartman (greg@kroah.com) 7 * 8 * This program is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU General Public License version 10 * 2 as published by the Free Software Foundation. 11 * 12 * See Documentation/usb/usb-serial.txt for more information on using this 13 * driver 14 * 15 */ 16 17 #include <linux/kernel.h> 18 #include <linux/errno.h> 19 #include <linux/init.h> 20 #include <linux/slab.h> 21 #include <linux/tty.h> 22 #include <linux/tty_driver.h> 23 #include <linux/tty_flip.h> 24 #include <linux/module.h> 25 #include <linux/moduleparam.h> 26 #include <linux/spinlock.h> 27 #include <linux/uaccess.h> 28 #include <linux/usb.h> 29 #include <linux/usb/serial.h> 30 #include <linux/usb/cdc.h> 31 #include "visor.h" 32 33 /* 34 * Version Information 35 */ 36 #define DRIVER_AUTHOR "Greg Kroah-Hartman <greg@kroah.com>" 37 #define DRIVER_DESC "USB HandSpring Visor / Palm OS driver" 38 39 /* function prototypes for a handspring visor */ 40 static int visor_open(struct tty_struct *tty, struct usb_serial_port *port); 41 static void visor_close(struct usb_serial_port *port); 42 static int visor_probe(struct usb_serial *serial, 43 const struct usb_device_id *id); 44 static int visor_calc_num_ports(struct usb_serial *serial); 45 static void visor_read_int_callback(struct urb *urb); 46 static int clie_3_5_startup(struct usb_serial *serial); 47 static int treo_attach(struct usb_serial *serial); 48 static int clie_5_attach(struct usb_serial *serial); 49 static int palm_os_3_probe(struct usb_serial *serial, 50 const struct usb_device_id *id); 51 static int palm_os_4_probe(struct usb_serial *serial, 52 const struct usb_device_id *id); 53 54 static const struct usb_device_id id_table[] = { 55 { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_VISOR_ID), 56 .driver_info = (kernel_ulong_t)&palm_os_3_probe }, 57 { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO_ID), 58 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 59 { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO600_ID), 60 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 61 { USB_DEVICE(GSPDA_VENDOR_ID, GSPDA_XPLORE_M68_ID), 62 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 63 { USB_DEVICE(PALM_VENDOR_ID, PALM_M500_ID), 64 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 65 { USB_DEVICE(PALM_VENDOR_ID, PALM_M505_ID), 66 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 67 { USB_DEVICE(PALM_VENDOR_ID, PALM_M515_ID), 68 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 69 { USB_DEVICE(PALM_VENDOR_ID, PALM_I705_ID), 70 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 71 { USB_DEVICE(PALM_VENDOR_ID, PALM_M100_ID), 72 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 73 { USB_DEVICE(PALM_VENDOR_ID, PALM_M125_ID), 74 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 75 { USB_DEVICE(PALM_VENDOR_ID, PALM_M130_ID), 76 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 77 { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_T_ID), 78 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 79 { USB_DEVICE(PALM_VENDOR_ID, PALM_TREO_650), 80 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 81 { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_Z_ID), 82 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 83 { USB_DEVICE(PALM_VENDOR_ID, PALM_ZIRE_ID), 84 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 85 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_0_ID), 86 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 87 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_S360_ID), 88 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 89 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_1_ID), 90 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 91 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_NX60_ID), 92 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 93 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_NZ90V_ID), 94 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 95 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_TJ25_ID), 96 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 97 { USB_DEVICE(ACER_VENDOR_ID, ACER_S10_ID), 98 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 99 { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SCH_I330_ID), 100 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 101 { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SPH_I500_ID), 102 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 103 { USB_DEVICE(TAPWAVE_VENDOR_ID, TAPWAVE_ZODIAC_ID), 104 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 105 { USB_DEVICE(GARMIN_VENDOR_ID, GARMIN_IQUE_3600_ID), 106 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 107 { USB_DEVICE(ACEECA_VENDOR_ID, ACEECA_MEZ1000_ID), 108 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 109 { USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_7135_ID), 110 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 111 { USB_DEVICE(FOSSIL_VENDOR_ID, FOSSIL_ABACUS_ID), 112 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 113 { } /* Terminating entry */ 114 }; 115 116 static const struct usb_device_id clie_id_5_table[] = { 117 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_UX50_ID), 118 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 119 { } /* Terminating entry */ 120 }; 121 122 static const struct usb_device_id clie_id_3_5_table[] = { 123 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_3_5_ID) }, 124 { } /* Terminating entry */ 125 }; 126 127 static const struct usb_device_id id_table_combined[] = { 128 { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_VISOR_ID) }, 129 { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO_ID) }, 130 { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO600_ID) }, 131 { USB_DEVICE(GSPDA_VENDOR_ID, GSPDA_XPLORE_M68_ID) }, 132 { USB_DEVICE(PALM_VENDOR_ID, PALM_M500_ID) }, 133 { USB_DEVICE(PALM_VENDOR_ID, PALM_M505_ID) }, 134 { USB_DEVICE(PALM_VENDOR_ID, PALM_M515_ID) }, 135 { USB_DEVICE(PALM_VENDOR_ID, PALM_I705_ID) }, 136 { USB_DEVICE(PALM_VENDOR_ID, PALM_M100_ID) }, 137 { USB_DEVICE(PALM_VENDOR_ID, PALM_M125_ID) }, 138 { USB_DEVICE(PALM_VENDOR_ID, PALM_M130_ID) }, 139 { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_T_ID) }, 140 { USB_DEVICE(PALM_VENDOR_ID, PALM_TREO_650) }, 141 { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_Z_ID) }, 142 { USB_DEVICE(PALM_VENDOR_ID, PALM_ZIRE_ID) }, 143 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_3_5_ID) }, 144 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_0_ID) }, 145 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_S360_ID) }, 146 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_1_ID) }, 147 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_NX60_ID) }, 148 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_NZ90V_ID) }, 149 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_UX50_ID) }, 150 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_TJ25_ID) }, 151 { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SCH_I330_ID) }, 152 { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SPH_I500_ID) }, 153 { USB_DEVICE(TAPWAVE_VENDOR_ID, TAPWAVE_ZODIAC_ID) }, 154 { USB_DEVICE(GARMIN_VENDOR_ID, GARMIN_IQUE_3600_ID) }, 155 { USB_DEVICE(ACEECA_VENDOR_ID, ACEECA_MEZ1000_ID) }, 156 { USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_7135_ID) }, 157 { USB_DEVICE(FOSSIL_VENDOR_ID, FOSSIL_ABACUS_ID) }, 158 { } /* Terminating entry */ 159 }; 160 161 MODULE_DEVICE_TABLE(usb, id_table_combined); 162 163 /* All of the device info needed for the Handspring Visor, 164 and Palm 4.0 devices */ 165 static struct usb_serial_driver handspring_device = { 166 .driver = { 167 .owner = THIS_MODULE, 168 .name = "visor", 169 }, 170 .description = "Handspring Visor / Palm OS", 171 .id_table = id_table, 172 .num_ports = 2, 173 .bulk_out_size = 256, 174 .open = visor_open, 175 .close = visor_close, 176 .throttle = usb_serial_generic_throttle, 177 .unthrottle = usb_serial_generic_unthrottle, 178 .attach = treo_attach, 179 .probe = visor_probe, 180 .calc_num_ports = visor_calc_num_ports, 181 .read_int_callback = visor_read_int_callback, 182 }; 183 184 /* All of the device info needed for the Clie UX50, TH55 Palm 5.0 devices */ 185 static struct usb_serial_driver clie_5_device = { 186 .driver = { 187 .owner = THIS_MODULE, 188 .name = "clie_5", 189 }, 190 .description = "Sony Clie 5.0", 191 .id_table = clie_id_5_table, 192 .num_ports = 2, 193 .bulk_out_size = 256, 194 .open = visor_open, 195 .close = visor_close, 196 .throttle = usb_serial_generic_throttle, 197 .unthrottle = usb_serial_generic_unthrottle, 198 .attach = clie_5_attach, 199 .probe = visor_probe, 200 .calc_num_ports = visor_calc_num_ports, 201 .read_int_callback = visor_read_int_callback, 202 }; 203 204 /* device info for the Sony Clie OS version 3.5 */ 205 static struct usb_serial_driver clie_3_5_device = { 206 .driver = { 207 .owner = THIS_MODULE, 208 .name = "clie_3.5", 209 }, 210 .description = "Sony Clie 3.5", 211 .id_table = clie_id_3_5_table, 212 .num_ports = 1, 213 .bulk_out_size = 256, 214 .open = visor_open, 215 .close = visor_close, 216 .throttle = usb_serial_generic_throttle, 217 .unthrottle = usb_serial_generic_unthrottle, 218 .attach = clie_3_5_startup, 219 }; 220 221 static struct usb_serial_driver * const serial_drivers[] = { 222 &handspring_device, &clie_5_device, &clie_3_5_device, NULL 223 }; 224 225 /****************************************************************************** 226 * Handspring Visor specific driver functions 227 ******************************************************************************/ 228 static int visor_open(struct tty_struct *tty, struct usb_serial_port *port) 229 { 230 int result = 0; 231 232 if (!port->read_urb) { 233 /* this is needed for some brain dead Sony devices */ 234 dev_err(&port->dev, "Device lied about number of ports, please use a lower one.\n"); 235 return -ENODEV; 236 } 237 238 /* Start reading from the device */ 239 result = usb_serial_generic_open(tty, port); 240 if (result) 241 goto exit; 242 243 if (port->interrupt_in_urb) { 244 dev_dbg(&port->dev, "adding interrupt input for treo\n"); 245 result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL); 246 if (result) 247 dev_err(&port->dev, 248 "%s - failed submitting interrupt urb, error %d\n", 249 __func__, result); 250 } 251 exit: 252 return result; 253 } 254 255 256 static void visor_close(struct usb_serial_port *port) 257 { 258 unsigned char *transfer_buffer; 259 260 usb_serial_generic_close(port); 261 usb_kill_urb(port->interrupt_in_urb); 262 263 transfer_buffer = kmalloc(0x12, GFP_KERNEL); 264 if (!transfer_buffer) 265 return; 266 usb_control_msg(port->serial->dev, 267 usb_rcvctrlpipe(port->serial->dev, 0), 268 VISOR_CLOSE_NOTIFICATION, 0xc2, 269 0x0000, 0x0000, 270 transfer_buffer, 0x12, 300); 271 kfree(transfer_buffer); 272 } 273 274 static void visor_read_int_callback(struct urb *urb) 275 { 276 struct usb_serial_port *port = urb->context; 277 int status = urb->status; 278 int result; 279 280 switch (status) { 281 case 0: 282 /* success */ 283 break; 284 case -ECONNRESET: 285 case -ENOENT: 286 case -ESHUTDOWN: 287 /* this urb is terminated, clean up */ 288 dev_dbg(&port->dev, "%s - urb shutting down with status: %d\n", 289 __func__, status); 290 return; 291 default: 292 dev_dbg(&port->dev, "%s - nonzero urb status received: %d\n", 293 __func__, status); 294 goto exit; 295 } 296 297 /* 298 * This information is still unknown what it can be used for. 299 * If anyone has an idea, please let the author know... 300 * 301 * Rumor has it this endpoint is used to notify when data 302 * is ready to be read from the bulk ones. 303 */ 304 usb_serial_debug_data(&port->dev, __func__, urb->actual_length, 305 urb->transfer_buffer); 306 307 exit: 308 result = usb_submit_urb(urb, GFP_ATOMIC); 309 if (result) 310 dev_err(&urb->dev->dev, 311 "%s - Error %d submitting interrupt urb\n", 312 __func__, result); 313 } 314 315 static int palm_os_3_probe(struct usb_serial *serial, 316 const struct usb_device_id *id) 317 { 318 struct device *dev = &serial->dev->dev; 319 struct visor_connection_info *connection_info; 320 unsigned char *transfer_buffer; 321 char *string; 322 int retval = 0; 323 int i; 324 int num_ports = 0; 325 326 transfer_buffer = kmalloc(sizeof(*connection_info), GFP_KERNEL); 327 if (!transfer_buffer) 328 return -ENOMEM; 329 330 /* send a get connection info request */ 331 retval = usb_control_msg(serial->dev, 332 usb_rcvctrlpipe(serial->dev, 0), 333 VISOR_GET_CONNECTION_INFORMATION, 334 0xc2, 0x0000, 0x0000, transfer_buffer, 335 sizeof(*connection_info), 300); 336 if (retval < 0) { 337 dev_err(dev, "%s - error %d getting connection information\n", 338 __func__, retval); 339 goto exit; 340 } 341 342 if (retval == sizeof(*connection_info)) { 343 connection_info = (struct visor_connection_info *) 344 transfer_buffer; 345 346 num_ports = le16_to_cpu(connection_info->num_ports); 347 for (i = 0; i < num_ports; ++i) { 348 switch ( 349 connection_info->connections[i].port_function_id) { 350 case VISOR_FUNCTION_GENERIC: 351 string = "Generic"; 352 break; 353 case VISOR_FUNCTION_DEBUGGER: 354 string = "Debugger"; 355 break; 356 case VISOR_FUNCTION_HOTSYNC: 357 string = "HotSync"; 358 break; 359 case VISOR_FUNCTION_CONSOLE: 360 string = "Console"; 361 break; 362 case VISOR_FUNCTION_REMOTE_FILE_SYS: 363 string = "Remote File System"; 364 break; 365 default: 366 string = "unknown"; 367 break; 368 } 369 dev_info(dev, "%s: port %d, is for %s use\n", 370 serial->type->description, 371 connection_info->connections[i].port, string); 372 } 373 } 374 /* 375 * Handle devices that report invalid stuff here. 376 */ 377 if (num_ports == 0 || num_ports > 2) { 378 dev_warn(dev, "%s: No valid connect info available\n", 379 serial->type->description); 380 num_ports = 2; 381 } 382 383 dev_info(dev, "%s: Number of ports: %d\n", serial->type->description, 384 num_ports); 385 386 /* 387 * save off our num_ports info so that we can use it in the 388 * calc_num_ports callback 389 */ 390 usb_set_serial_data(serial, (void *)(long)num_ports); 391 392 /* ask for the number of bytes available, but ignore the 393 response as it is broken */ 394 retval = usb_control_msg(serial->dev, 395 usb_rcvctrlpipe(serial->dev, 0), 396 VISOR_REQUEST_BYTES_AVAILABLE, 397 0xc2, 0x0000, 0x0005, transfer_buffer, 398 0x02, 300); 399 if (retval < 0) 400 dev_err(dev, "%s - error %d getting bytes available request\n", 401 __func__, retval); 402 retval = 0; 403 404 exit: 405 kfree(transfer_buffer); 406 407 return retval; 408 } 409 410 static int palm_os_4_probe(struct usb_serial *serial, 411 const struct usb_device_id *id) 412 { 413 struct device *dev = &serial->dev->dev; 414 struct palm_ext_connection_info *connection_info; 415 unsigned char *transfer_buffer; 416 int retval; 417 418 transfer_buffer = kmalloc(sizeof(*connection_info), GFP_KERNEL); 419 if (!transfer_buffer) 420 return -ENOMEM; 421 422 retval = usb_control_msg(serial->dev, 423 usb_rcvctrlpipe(serial->dev, 0), 424 PALM_GET_EXT_CONNECTION_INFORMATION, 425 0xc2, 0x0000, 0x0000, transfer_buffer, 426 sizeof(*connection_info), 300); 427 if (retval < 0) 428 dev_err(dev, "%s - error %d getting connection info\n", 429 __func__, retval); 430 else 431 usb_serial_debug_data(dev, __func__, retval, transfer_buffer); 432 433 kfree(transfer_buffer); 434 return 0; 435 } 436 437 438 static int visor_probe(struct usb_serial *serial, 439 const struct usb_device_id *id) 440 { 441 int retval = 0; 442 int (*startup)(struct usb_serial *serial, 443 const struct usb_device_id *id); 444 445 /* 446 * some Samsung Android phones in modem mode have the same ID 447 * as SPH-I500, but they are ACM devices, so dont bind to them 448 */ 449 if (id->idVendor == SAMSUNG_VENDOR_ID && 450 id->idProduct == SAMSUNG_SPH_I500_ID && 451 serial->dev->descriptor.bDeviceClass == USB_CLASS_COMM && 452 serial->dev->descriptor.bDeviceSubClass == 453 USB_CDC_SUBCLASS_ACM) 454 return -ENODEV; 455 456 if (serial->dev->actconfig->desc.bConfigurationValue != 1) { 457 dev_err(&serial->dev->dev, "active config #%d != 1 ??\n", 458 serial->dev->actconfig->desc.bConfigurationValue); 459 return -ENODEV; 460 } 461 462 if (id->driver_info) { 463 startup = (void *)id->driver_info; 464 retval = startup(serial, id); 465 } 466 467 return retval; 468 } 469 470 static int visor_calc_num_ports(struct usb_serial *serial) 471 { 472 int num_ports = (int)(long)(usb_get_serial_data(serial)); 473 474 if (num_ports) 475 usb_set_serial_data(serial, NULL); 476 477 return num_ports; 478 } 479 480 static int clie_3_5_startup(struct usb_serial *serial) 481 { 482 struct device *dev = &serial->dev->dev; 483 int result; 484 u8 *data; 485 486 data = kmalloc(1, GFP_KERNEL); 487 if (!data) 488 return -ENOMEM; 489 490 /* 491 * Note that PEG-300 series devices expect the following two calls. 492 */ 493 494 /* get the config number */ 495 result = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), 496 USB_REQ_GET_CONFIGURATION, USB_DIR_IN, 497 0, 0, data, 1, 3000); 498 if (result < 0) { 499 dev_err(dev, "%s: get config number failed: %d\n", 500 __func__, result); 501 goto out; 502 } 503 if (result != 1) { 504 dev_err(dev, "%s: get config number bad return length: %d\n", 505 __func__, result); 506 result = -EIO; 507 goto out; 508 } 509 510 /* get the interface number */ 511 result = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), 512 USB_REQ_GET_INTERFACE, 513 USB_DIR_IN | USB_RECIP_INTERFACE, 514 0, 0, data, 1, 3000); 515 if (result < 0) { 516 dev_err(dev, "%s: get interface number failed: %d\n", 517 __func__, result); 518 goto out; 519 } 520 if (result != 1) { 521 dev_err(dev, 522 "%s: get interface number bad return length: %d\n", 523 __func__, result); 524 result = -EIO; 525 goto out; 526 } 527 528 result = 0; 529 out: 530 kfree(data); 531 532 return result; 533 } 534 535 static int treo_attach(struct usb_serial *serial) 536 { 537 struct usb_serial_port *swap_port; 538 539 /* Only do this endpoint hack for the Handspring devices with 540 * interrupt in endpoints, which for now are the Treo devices. */ 541 if (!((le16_to_cpu(serial->dev->descriptor.idVendor) 542 == HANDSPRING_VENDOR_ID) || 543 (le16_to_cpu(serial->dev->descriptor.idVendor) 544 == KYOCERA_VENDOR_ID)) || 545 (serial->num_interrupt_in == 0)) 546 return 0; 547 548 /* 549 * It appears that Treos and Kyoceras want to use the 550 * 1st bulk in endpoint to communicate with the 2nd bulk out endpoint, 551 * so let's swap the 1st and 2nd bulk in and interrupt endpoints. 552 * Note that swapping the bulk out endpoints would break lots of 553 * apps that want to communicate on the second port. 554 */ 555 #define COPY_PORT(dest, src) \ 556 do { \ 557 int i; \ 558 \ 559 for (i = 0; i < ARRAY_SIZE(src->read_urbs); ++i) { \ 560 dest->read_urbs[i] = src->read_urbs[i]; \ 561 dest->read_urbs[i]->context = dest; \ 562 dest->bulk_in_buffers[i] = src->bulk_in_buffers[i]; \ 563 } \ 564 dest->read_urb = src->read_urb; \ 565 dest->bulk_in_endpointAddress = src->bulk_in_endpointAddress;\ 566 dest->bulk_in_buffer = src->bulk_in_buffer; \ 567 dest->bulk_in_size = src->bulk_in_size; \ 568 dest->interrupt_in_urb = src->interrupt_in_urb; \ 569 dest->interrupt_in_urb->context = dest; \ 570 dest->interrupt_in_endpointAddress = \ 571 src->interrupt_in_endpointAddress;\ 572 dest->interrupt_in_buffer = src->interrupt_in_buffer; \ 573 } while (0); 574 575 swap_port = kmalloc(sizeof(*swap_port), GFP_KERNEL); 576 if (!swap_port) 577 return -ENOMEM; 578 COPY_PORT(swap_port, serial->port[0]); 579 COPY_PORT(serial->port[0], serial->port[1]); 580 COPY_PORT(serial->port[1], swap_port); 581 kfree(swap_port); 582 583 return 0; 584 } 585 586 static int clie_5_attach(struct usb_serial *serial) 587 { 588 struct usb_serial_port *port; 589 unsigned int pipe; 590 int j; 591 592 /* TH55 registers 2 ports. 593 Communication in from the UX50/TH55 uses bulk_in_endpointAddress 594 from port 0. Communication out to the UX50/TH55 uses 595 bulk_out_endpointAddress from port 1 596 597 Lets do a quick and dirty mapping 598 */ 599 600 /* some sanity check */ 601 if (serial->num_ports < 2) 602 return -1; 603 604 /* port 0 now uses the modified endpoint Address */ 605 port = serial->port[0]; 606 port->bulk_out_endpointAddress = 607 serial->port[1]->bulk_out_endpointAddress; 608 609 pipe = usb_sndbulkpipe(serial->dev, port->bulk_out_endpointAddress); 610 for (j = 0; j < ARRAY_SIZE(port->write_urbs); ++j) 611 port->write_urbs[j]->pipe = pipe; 612 613 return 0; 614 } 615 616 module_usb_serial_driver(serial_drivers, id_table_combined); 617 618 MODULE_AUTHOR(DRIVER_AUTHOR); 619 MODULE_DESCRIPTION(DRIVER_DESC); 620 MODULE_LICENSE("GPL"); 621