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 "visor.h" 31 32/* 33 * Version Information 34 */ 35#define DRIVER_AUTHOR "Greg Kroah-Hartman <greg@kroah.com>" 36#define DRIVER_DESC "USB HandSpring Visor / Palm OS driver" 37 38/* function prototypes for a handspring visor */ 39static int visor_open(struct tty_struct *tty, struct usb_serial_port *port); 40static void visor_close(struct usb_serial_port *port); 41static int visor_probe(struct usb_serial *serial, 42 const struct usb_device_id *id); 43static int visor_calc_num_ports(struct usb_serial *serial); 44static void visor_read_int_callback(struct urb *urb); 45static int clie_3_5_startup(struct usb_serial *serial); 46static int treo_attach(struct usb_serial *serial); 47static int clie_5_attach(struct usb_serial *serial); 48static int palm_os_3_probe(struct usb_serial *serial, 49 const struct usb_device_id *id); 50static int palm_os_4_probe(struct usb_serial *serial, 51 const struct usb_device_id *id); 52 53/* Parameters that may be passed into the module. */ 54static int debug; 55static __u16 vendor; 56static __u16 product; 57 58static struct usb_device_id id_table [] = { 59 { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_VISOR_ID), 60 .driver_info = (kernel_ulong_t)&palm_os_3_probe }, 61 { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO_ID), 62 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 63 { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO600_ID), 64 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 65 { USB_DEVICE(GSPDA_VENDOR_ID, GSPDA_XPLORE_M68_ID), 66 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 67 { USB_DEVICE(PALM_VENDOR_ID, PALM_M500_ID), 68 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 69 { USB_DEVICE(PALM_VENDOR_ID, PALM_M505_ID), 70 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 71 { USB_DEVICE(PALM_VENDOR_ID, PALM_M515_ID), 72 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 73 { USB_DEVICE(PALM_VENDOR_ID, PALM_I705_ID), 74 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 75 { USB_DEVICE(PALM_VENDOR_ID, PALM_M100_ID), 76 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 77 { USB_DEVICE(PALM_VENDOR_ID, PALM_M125_ID), 78 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 79 { USB_DEVICE(PALM_VENDOR_ID, PALM_M130_ID), 80 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 81 { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_T_ID), 82 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 83 { USB_DEVICE(PALM_VENDOR_ID, PALM_TREO_650), 84 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 85 { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_Z_ID), 86 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 87 { USB_DEVICE(PALM_VENDOR_ID, PALM_ZIRE_ID), 88 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 89 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_0_ID), 90 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 91 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_S360_ID), 92 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 93 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_1_ID), 94 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 95 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_NX60_ID), 96 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 97 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_NZ90V_ID), 98 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 99 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_TJ25_ID), 100 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 101 { USB_DEVICE(ACER_VENDOR_ID, ACER_S10_ID), 102 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 103 { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SCH_I330_ID), 104 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 105 { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SPH_I500_ID), 106 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 107 { USB_DEVICE(TAPWAVE_VENDOR_ID, TAPWAVE_ZODIAC_ID), 108 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 109 { USB_DEVICE(GARMIN_VENDOR_ID, GARMIN_IQUE_3600_ID), 110 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 111 { USB_DEVICE(ACEECA_VENDOR_ID, ACEECA_MEZ1000_ID), 112 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 113 { USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_7135_ID), 114 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 115 { USB_DEVICE(FOSSIL_VENDOR_ID, FOSSIL_ABACUS_ID), 116 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 117 { }, /* optional parameter entry */ 118 { } /* Terminating entry */ 119}; 120 121static struct usb_device_id clie_id_5_table [] = { 122 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_UX50_ID), 123 .driver_info = (kernel_ulong_t)&palm_os_4_probe }, 124 { }, /* optional parameter entry */ 125 { } /* Terminating entry */ 126}; 127 128static struct usb_device_id clie_id_3_5_table [] = { 129 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_3_5_ID) }, 130 { } /* Terminating entry */ 131}; 132 133static struct usb_device_id id_table_combined [] = { 134 { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_VISOR_ID) }, 135 { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO_ID) }, 136 { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO600_ID) }, 137 { USB_DEVICE(GSPDA_VENDOR_ID, GSPDA_XPLORE_M68_ID) }, 138 { USB_DEVICE(PALM_VENDOR_ID, PALM_M500_ID) }, 139 { USB_DEVICE(PALM_VENDOR_ID, PALM_M505_ID) }, 140 { USB_DEVICE(PALM_VENDOR_ID, PALM_M515_ID) }, 141 { USB_DEVICE(PALM_VENDOR_ID, PALM_I705_ID) }, 142 { USB_DEVICE(PALM_VENDOR_ID, PALM_M100_ID) }, 143 { USB_DEVICE(PALM_VENDOR_ID, PALM_M125_ID) }, 144 { USB_DEVICE(PALM_VENDOR_ID, PALM_M130_ID) }, 145 { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_T_ID) }, 146 { USB_DEVICE(PALM_VENDOR_ID, PALM_TREO_650) }, 147 { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_Z_ID) }, 148 { USB_DEVICE(PALM_VENDOR_ID, PALM_ZIRE_ID) }, 149 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_3_5_ID) }, 150 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_0_ID) }, 151 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_S360_ID) }, 152 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_1_ID) }, 153 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_NX60_ID) }, 154 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_NZ90V_ID) }, 155 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_UX50_ID) }, 156 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_TJ25_ID) }, 157 { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SCH_I330_ID) }, 158 { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SPH_I500_ID) }, 159 { USB_DEVICE(TAPWAVE_VENDOR_ID, TAPWAVE_ZODIAC_ID) }, 160 { USB_DEVICE(GARMIN_VENDOR_ID, GARMIN_IQUE_3600_ID) }, 161 { USB_DEVICE(ACEECA_VENDOR_ID, ACEECA_MEZ1000_ID) }, 162 { USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_7135_ID) }, 163 { USB_DEVICE(FOSSIL_VENDOR_ID, FOSSIL_ABACUS_ID) }, 164 { }, /* optional parameter entry */ 165 { } /* Terminating entry */ 166}; 167 168MODULE_DEVICE_TABLE(usb, id_table_combined); 169 170static struct usb_driver visor_driver = { 171 .name = "visor", 172 .probe = usb_serial_probe, 173 .disconnect = usb_serial_disconnect, 174 .id_table = id_table_combined, 175 .no_dynamic_id = 1, 176}; 177 178/* All of the device info needed for the Handspring Visor, 179 and Palm 4.0 devices */ 180static struct usb_serial_driver handspring_device = { 181 .driver = { 182 .owner = THIS_MODULE, 183 .name = "visor", 184 }, 185 .description = "Handspring Visor / Palm OS", 186 .usb_driver = &visor_driver, 187 .id_table = id_table, 188 .num_ports = 2, 189 .bulk_out_size = 256, 190 .open = visor_open, 191 .close = visor_close, 192 .throttle = usb_serial_generic_throttle, 193 .unthrottle = usb_serial_generic_unthrottle, 194 .attach = treo_attach, 195 .probe = visor_probe, 196 .calc_num_ports = visor_calc_num_ports, 197 .read_int_callback = visor_read_int_callback, 198}; 199 200/* All of the device info needed for the Clie UX50, TH55 Palm 5.0 devices */ 201static struct usb_serial_driver clie_5_device = { 202 .driver = { 203 .owner = THIS_MODULE, 204 .name = "clie_5", 205 }, 206 .description = "Sony Clie 5.0", 207 .usb_driver = &visor_driver, 208 .id_table = clie_id_5_table, 209 .num_ports = 2, 210 .bulk_out_size = 256, 211 .open = visor_open, 212 .close = visor_close, 213 .throttle = usb_serial_generic_throttle, 214 .unthrottle = usb_serial_generic_unthrottle, 215 .attach = clie_5_attach, 216 .probe = visor_probe, 217 .calc_num_ports = visor_calc_num_ports, 218 .read_int_callback = visor_read_int_callback, 219}; 220 221/* device info for the Sony Clie OS version 3.5 */ 222static struct usb_serial_driver clie_3_5_device = { 223 .driver = { 224 .owner = THIS_MODULE, 225 .name = "clie_3.5", 226 }, 227 .description = "Sony Clie 3.5", 228 .usb_driver = &visor_driver, 229 .id_table = clie_id_3_5_table, 230 .num_ports = 1, 231 .bulk_out_size = 256, 232 .open = visor_open, 233 .close = visor_close, 234 .throttle = usb_serial_generic_throttle, 235 .unthrottle = usb_serial_generic_unthrottle, 236 .attach = clie_3_5_startup, 237}; 238 239/****************************************************************************** 240 * Handspring Visor specific driver functions 241 ******************************************************************************/ 242static int visor_open(struct tty_struct *tty, struct usb_serial_port *port) 243{ 244 int result = 0; 245 246 dbg("%s - port %d", __func__, port->number); 247 248 if (!port->read_urb) { 249 /* this is needed for some brain dead Sony devices */ 250 dev_err(&port->dev, "Device lied about number of ports, please use a lower one.\n"); 251 return -ENODEV; 252 } 253 254 /* Start reading from the device */ 255 result = usb_serial_generic_open(tty, port); 256 if (result) 257 goto exit; 258 259 if (port->interrupt_in_urb) { 260 dbg("%s - adding interrupt input for treo", __func__); 261 result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL); 262 if (result) 263 dev_err(&port->dev, 264 "%s - failed submitting interrupt urb, error %d\n", 265 __func__, result); 266 } 267exit: 268 return result; 269} 270 271 272static void visor_close(struct usb_serial_port *port) 273{ 274 unsigned char *transfer_buffer; 275 276 dbg("%s - port %d", __func__, port->number); 277 278 /* shutdown our urbs */ 279 usb_serial_generic_close(port); 280 usb_kill_urb(port->interrupt_in_urb); 281 282 mutex_lock(&port->serial->disc_mutex); 283 if (!port->serial->disconnected) { 284 /* Try to send shutdown message, unless the device is gone */ 285 transfer_buffer = kmalloc(0x12, GFP_KERNEL); 286 if (transfer_buffer) { 287 usb_control_msg(port->serial->dev, 288 usb_rcvctrlpipe(port->serial->dev, 0), 289 VISOR_CLOSE_NOTIFICATION, 0xc2, 290 0x0000, 0x0000, 291 transfer_buffer, 0x12, 300); 292 kfree(transfer_buffer); 293 } 294 } 295 mutex_unlock(&port->serial->disc_mutex); 296} 297 298static void visor_read_int_callback(struct urb *urb) 299{ 300 struct usb_serial_port *port = urb->context; 301 int status = urb->status; 302 int result; 303 304 switch (status) { 305 case 0: 306 /* success */ 307 break; 308 case -ECONNRESET: 309 case -ENOENT: 310 case -ESHUTDOWN: 311 /* this urb is terminated, clean up */ 312 dbg("%s - urb shutting down with status: %d", 313 __func__, status); 314 return; 315 default: 316 dbg("%s - nonzero urb status received: %d", 317 __func__, status); 318 goto exit; 319 } 320 321 /* 322 * This information is still unknown what it can be used for. 323 * If anyone has an idea, please let the author know... 324 * 325 * Rumor has it this endpoint is used to notify when data 326 * is ready to be read from the bulk ones. 327 */ 328 usb_serial_debug_data(debug, &port->dev, __func__, 329 urb->actual_length, urb->transfer_buffer); 330 331exit: 332 result = usb_submit_urb(urb, GFP_ATOMIC); 333 if (result) 334 dev_err(&urb->dev->dev, 335 "%s - Error %d submitting interrupt urb\n", 336 __func__, result); 337} 338 339static int palm_os_3_probe(struct usb_serial *serial, 340 const struct usb_device_id *id) 341{ 342 struct device *dev = &serial->dev->dev; 343 struct visor_connection_info *connection_info; 344 unsigned char *transfer_buffer; 345 char *string; 346 int retval = 0; 347 int i; 348 int num_ports = 0; 349 350 dbg("%s", __func__); 351 352 transfer_buffer = kmalloc(sizeof(*connection_info), GFP_KERNEL); 353 if (!transfer_buffer) { 354 dev_err(dev, "%s - kmalloc(%Zd) failed.\n", __func__, 355 sizeof(*connection_info)); 356 return -ENOMEM; 357 } 358 359 /* send a get connection info request */ 360 retval = usb_control_msg(serial->dev, 361 usb_rcvctrlpipe(serial->dev, 0), 362 VISOR_GET_CONNECTION_INFORMATION, 363 0xc2, 0x0000, 0x0000, transfer_buffer, 364 sizeof(*connection_info), 300); 365 if (retval < 0) { 366 dev_err(dev, "%s - error %d getting connection information\n", 367 __func__, retval); 368 goto exit; 369 } 370 371 if (retval == sizeof(*connection_info)) { 372 connection_info = (struct visor_connection_info *) 373 transfer_buffer; 374 375 num_ports = le16_to_cpu(connection_info->num_ports); 376 for (i = 0; i < num_ports; ++i) { 377 switch ( 378 connection_info->connections[i].port_function_id) { 379 case VISOR_FUNCTION_GENERIC: 380 string = "Generic"; 381 break; 382 case VISOR_FUNCTION_DEBUGGER: 383 string = "Debugger"; 384 break; 385 case VISOR_FUNCTION_HOTSYNC: 386 string = "HotSync"; 387 break; 388 case VISOR_FUNCTION_CONSOLE: 389 string = "Console"; 390 break; 391 case VISOR_FUNCTION_REMOTE_FILE_SYS: 392 string = "Remote File System"; 393 break; 394 default: 395 string = "unknown"; 396 break; 397 } 398 dev_info(dev, "%s: port %d, is for %s use\n", 399 serial->type->description, 400 connection_info->connections[i].port, string); 401 } 402 } 403 /* 404 * Handle devices that report invalid stuff here. 405 */ 406 if (num_ports == 0 || num_ports > 2) { 407 dev_warn(dev, "%s: No valid connect info available\n", 408 serial->type->description); 409 num_ports = 2; 410 } 411 412 dev_info(dev, "%s: Number of ports: %d\n", serial->type->description, 413 num_ports); 414 415 /* 416 * save off our num_ports info so that we can use it in the 417 * calc_num_ports callback 418 */ 419 usb_set_serial_data(serial, (void *)(long)num_ports); 420 421 /* ask for the number of bytes available, but ignore the 422 response as it is broken */ 423 retval = usb_control_msg(serial->dev, 424 usb_rcvctrlpipe(serial->dev, 0), 425 VISOR_REQUEST_BYTES_AVAILABLE, 426 0xc2, 0x0000, 0x0005, transfer_buffer, 427 0x02, 300); 428 if (retval < 0) 429 dev_err(dev, "%s - error %d getting bytes available request\n", 430 __func__, retval); 431 retval = 0; 432 433exit: 434 kfree(transfer_buffer); 435 436 return retval; 437} 438 439static int palm_os_4_probe(struct usb_serial *serial, 440 const struct usb_device_id *id) 441{ 442 struct device *dev = &serial->dev->dev; 443 struct palm_ext_connection_info *connection_info; 444 unsigned char *transfer_buffer; 445 int retval; 446 447 dbg("%s", __func__); 448 449 transfer_buffer = kmalloc(sizeof(*connection_info), GFP_KERNEL); 450 if (!transfer_buffer) { 451 dev_err(dev, "%s - kmalloc(%Zd) failed.\n", __func__, 452 sizeof(*connection_info)); 453 return -ENOMEM; 454 } 455 456 retval = usb_control_msg(serial->dev, 457 usb_rcvctrlpipe(serial->dev, 0), 458 PALM_GET_EXT_CONNECTION_INFORMATION, 459 0xc2, 0x0000, 0x0000, transfer_buffer, 460 sizeof(*connection_info), 300); 461 if (retval < 0) 462 dev_err(dev, "%s - error %d getting connection info\n", 463 __func__, retval); 464 else 465 usb_serial_debug_data(debug, &serial->dev->dev, __func__, 466 retval, transfer_buffer); 467 468 kfree(transfer_buffer); 469 return 0; 470} 471 472 473static int visor_probe(struct usb_serial *serial, 474 const struct usb_device_id *id) 475{ 476 int retval = 0; 477 int (*startup)(struct usb_serial *serial, 478 const struct usb_device_id *id); 479 480 dbg("%s", __func__); 481 482 if (serial->dev->actconfig->desc.bConfigurationValue != 1) { 483 dev_err(&serial->dev->dev, "active config #%d != 1 ??\n", 484 serial->dev->actconfig->desc.bConfigurationValue); 485 return -ENODEV; 486 } 487 488 if (id->driver_info) { 489 startup = (void *)id->driver_info; 490 retval = startup(serial, id); 491 } 492 493 return retval; 494} 495 496static int visor_calc_num_ports(struct usb_serial *serial) 497{ 498 int num_ports = (int)(long)(usb_get_serial_data(serial)); 499 500 if (num_ports) 501 usb_set_serial_data(serial, NULL); 502 503 return num_ports; 504} 505 506static int clie_3_5_startup(struct usb_serial *serial) 507{ 508 struct device *dev = &serial->dev->dev; 509 int result; 510 u8 *data; 511 512 dbg("%s", __func__); 513 514 data = kmalloc(1, GFP_KERNEL); 515 if (!data) 516 return -ENOMEM; 517 518 /* 519 * Note that PEG-300 series devices expect the following two calls. 520 */ 521 522 /* get the config number */ 523 result = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), 524 USB_REQ_GET_CONFIGURATION, USB_DIR_IN, 525 0, 0, data, 1, 3000); 526 if (result < 0) { 527 dev_err(dev, "%s: get config number failed: %d\n", 528 __func__, result); 529 goto out; 530 } 531 if (result != 1) { 532 dev_err(dev, "%s: get config number bad return length: %d\n", 533 __func__, result); 534 result = -EIO; 535 goto out; 536 } 537 538 /* get the interface number */ 539 result = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), 540 USB_REQ_GET_INTERFACE, 541 USB_DIR_IN | USB_RECIP_INTERFACE, 542 0, 0, data, 1, 3000); 543 if (result < 0) { 544 dev_err(dev, "%s: get interface number failed: %d\n", 545 __func__, result); 546 goto out; 547 } 548 if (result != 1) { 549 dev_err(dev, 550 "%s: get interface number bad return length: %d\n", 551 __func__, result); 552 result = -EIO; 553 goto out; 554 } 555 556 result = 0; 557out: 558 kfree(data); 559 560 return result; 561} 562 563static int treo_attach(struct usb_serial *serial) 564{ 565 struct usb_serial_port *swap_port; 566 567 /* Only do this endpoint hack for the Handspring devices with 568 * interrupt in endpoints, which for now are the Treo devices. */ 569 if (!((le16_to_cpu(serial->dev->descriptor.idVendor) 570 == HANDSPRING_VENDOR_ID) || 571 (le16_to_cpu(serial->dev->descriptor.idVendor) 572 == KYOCERA_VENDOR_ID)) || 573 (serial->num_interrupt_in == 0)) 574 return 0; 575 576 dbg("%s", __func__); 577 578 /* 579 * It appears that Treos and Kyoceras want to use the 580 * 1st bulk in endpoint to communicate with the 2nd bulk out endpoint, 581 * so let's swap the 1st and 2nd bulk in and interrupt endpoints. 582 * Note that swapping the bulk out endpoints would break lots of 583 * apps that want to communicate on the second port. 584 */ 585#define COPY_PORT(dest, src) \ 586 do { \ 587 dest->read_urb = src->read_urb; \ 588 dest->bulk_in_endpointAddress = src->bulk_in_endpointAddress;\ 589 dest->bulk_in_buffer = src->bulk_in_buffer; \ 590 dest->interrupt_in_urb = src->interrupt_in_urb; \ 591 dest->interrupt_in_endpointAddress = \ 592 src->interrupt_in_endpointAddress;\ 593 dest->interrupt_in_buffer = src->interrupt_in_buffer; \ 594 } while (0); 595 596 swap_port = kmalloc(sizeof(*swap_port), GFP_KERNEL); 597 if (!swap_port) 598 return -ENOMEM; 599 COPY_PORT(swap_port, serial->port[0]); 600 COPY_PORT(serial->port[0], serial->port[1]); 601 COPY_PORT(serial->port[1], swap_port); 602 kfree(swap_port); 603 604 return 0; 605} 606 607static int clie_5_attach(struct usb_serial *serial) 608{ 609 struct usb_serial_port *port; 610 unsigned int pipe; 611 int j; 612 613 dbg("%s", __func__); 614 615 /* TH55 registers 2 ports. 616 Communication in from the UX50/TH55 uses bulk_in_endpointAddress 617 from port 0. Communication out to the UX50/TH55 uses 618 bulk_out_endpointAddress from port 1 619 620 Lets do a quick and dirty mapping 621 */ 622 623 /* some sanity check */ 624 if (serial->num_ports < 2) 625 return -1; 626 627 /* port 0 now uses the modified endpoint Address */ 628 port = serial->port[0]; 629 port->bulk_out_endpointAddress = 630 serial->port[1]->bulk_out_endpointAddress; 631 632 pipe = usb_sndbulkpipe(serial->dev, port->bulk_out_endpointAddress); 633 for (j = 0; j < ARRAY_SIZE(port->write_urbs); ++j) 634 port->write_urbs[j]->pipe = pipe; 635 636 return 0; 637} 638 639static int __init visor_init(void) 640{ 641 int i, retval; 642 /* Only if parameters were passed to us */ 643 if (vendor > 0 && product > 0) { 644 struct usb_device_id usb_dev_temp[] = { 645 { 646 USB_DEVICE(vendor, product), 647 .driver_info = 648 (kernel_ulong_t) &palm_os_4_probe 649 } 650 }; 651 652 /* Find the last entry in id_table */ 653 for (i = 0;; i++) { 654 if (id_table[i].idVendor == 0) { 655 id_table[i] = usb_dev_temp[0]; 656 break; 657 } 658 } 659 /* Find the last entry in id_table_combined */ 660 for (i = 0;; i++) { 661 if (id_table_combined[i].idVendor == 0) { 662 id_table_combined[i] = usb_dev_temp[0]; 663 break; 664 } 665 } 666 printk(KERN_INFO KBUILD_MODNAME 667 ": Untested USB device specified at time of module insertion\n"); 668 printk(KERN_INFO KBUILD_MODNAME 669 ": Warning: This is not guaranteed to work\n"); 670 printk(KERN_INFO KBUILD_MODNAME 671 ": Using a newer kernel is preferred to this method\n"); 672 printk(KERN_INFO KBUILD_MODNAME 673 ": Adding Palm OS protocol 4.x support for unknown device: 0x%x/0x%x\n", 674 vendor, product); 675 } 676 retval = usb_serial_register(&handspring_device); 677 if (retval) 678 goto failed_handspring_register; 679 retval = usb_serial_register(&clie_3_5_device); 680 if (retval) 681 goto failed_clie_3_5_register; 682 retval = usb_serial_register(&clie_5_device); 683 if (retval) 684 goto failed_clie_5_register; 685 retval = usb_register(&visor_driver); 686 if (retval) 687 goto failed_usb_register; 688 printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC "\n"); 689 690 return 0; 691failed_usb_register: 692 usb_serial_deregister(&clie_5_device); 693failed_clie_5_register: 694 usb_serial_deregister(&clie_3_5_device); 695failed_clie_3_5_register: 696 usb_serial_deregister(&handspring_device); 697failed_handspring_register: 698 return retval; 699} 700 701 702static void __exit visor_exit (void) 703{ 704 usb_deregister(&visor_driver); 705 usb_serial_deregister(&handspring_device); 706 usb_serial_deregister(&clie_3_5_device); 707 usb_serial_deregister(&clie_5_device); 708} 709 710 711module_init(visor_init); 712module_exit(visor_exit); 713 714MODULE_AUTHOR(DRIVER_AUTHOR); 715MODULE_DESCRIPTION(DRIVER_DESC); 716MODULE_LICENSE("GPL"); 717 718module_param(debug, bool, S_IRUGO | S_IWUSR); 719MODULE_PARM_DESC(debug, "Debug enabled or not"); 720 721module_param(vendor, ushort, 0); 722MODULE_PARM_DESC(vendor, "User specified vendor ID"); 723module_param(product, ushort, 0); 724MODULE_PARM_DESC(product, "User specified product ID"); 725