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inet: frag: enforce memory limits earlier
[linux/fpc-iii.git] / drivers / usb / serial / visor.c
blobdbc3801b43ebb05c66e91e901de2f01ae41cb753
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/slab.h>
20 #include <linux/tty.h>
21 #include <linux/tty_driver.h>
22 #include <linux/tty_flip.h>
23 #include <linux/module.h>
24 #include <linux/moduleparam.h>
25 #include <linux/spinlock.h>
26 #include <linux/uaccess.h>
27 #include <linux/usb.h>
28 #include <linux/usb/serial.h>
29 #include <linux/usb/cdc.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 */
39 static int visor_open(struct tty_struct *tty, struct usb_serial_port *port);
40 static void visor_close(struct usb_serial_port *port);
41 static int visor_probe(struct usb_serial *serial,
42 const struct usb_device_id *id);
43 static int visor_calc_num_ports(struct usb_serial *serial);
44 static void visor_read_int_callback(struct urb *urb);
45 static int clie_3_5_startup(struct usb_serial *serial);
46 static int treo_attach(struct usb_serial *serial);
47 static int clie_5_attach(struct usb_serial *serial);
48 static int palm_os_3_probe(struct usb_serial *serial,
49 const struct usb_device_id *id);
50 static int palm_os_4_probe(struct usb_serial *serial,
51 const struct usb_device_id *id);
52
53 static const struct usb_device_id id_table[] = {
54 { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_VISOR_ID),
55 .driver_info = (kernel_ulong_t)&palm_os_3_probe },
56 { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO_ID),
57 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
58 { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO600_ID),
59 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
60 { USB_DEVICE(GSPDA_VENDOR_ID, GSPDA_XPLORE_M68_ID),
61 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
62 { USB_DEVICE(PALM_VENDOR_ID, PALM_M500_ID),
63 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
64 { USB_DEVICE(PALM_VENDOR_ID, PALM_M505_ID),
65 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
66 { USB_DEVICE(PALM_VENDOR_ID, PALM_M515_ID),
67 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
68 { USB_DEVICE(PALM_VENDOR_ID, PALM_I705_ID),
69 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
70 { USB_DEVICE(PALM_VENDOR_ID, PALM_M100_ID),
71 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
72 { USB_DEVICE(PALM_VENDOR_ID, PALM_M125_ID),
73 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
74 { USB_DEVICE(PALM_VENDOR_ID, PALM_M130_ID),
75 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
76 { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_T_ID),
77 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
78 { USB_DEVICE(PALM_VENDOR_ID, PALM_TREO_650),
79 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
80 { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_Z_ID),
81 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
82 { USB_DEVICE(PALM_VENDOR_ID, PALM_ZIRE_ID),
83 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
84 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_0_ID),
85 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
86 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_S360_ID),
87 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
88 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_1_ID),
89 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
90 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_NX60_ID),
91 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
92 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_NZ90V_ID),
93 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
94 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_TJ25_ID),
95 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
96 { USB_DEVICE(ACER_VENDOR_ID, ACER_S10_ID),
97 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
98 { USB_DEVICE_INTERFACE_CLASS(SAMSUNG_VENDOR_ID, SAMSUNG_SCH_I330_ID, 0xff),
99 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
100 { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SPH_I500_ID),
101 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
102 { USB_DEVICE(TAPWAVE_VENDOR_ID, TAPWAVE_ZODIAC_ID),
103 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
104 { USB_DEVICE(GARMIN_VENDOR_ID, GARMIN_IQUE_3600_ID),
105 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
106 { USB_DEVICE(ACEECA_VENDOR_ID, ACEECA_MEZ1000_ID),
107 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
108 { USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_7135_ID),
109 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
110 { USB_DEVICE(FOSSIL_VENDOR_ID, FOSSIL_ABACUS_ID),
111 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
112 { } /* Terminating entry */
113 };
114
115 static const struct usb_device_id clie_id_5_table[] = {
116 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_UX50_ID),
117 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
118 { } /* Terminating entry */
119 };
120
121 static const struct usb_device_id clie_id_3_5_table[] = {
122 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_3_5_ID) },
123 { } /* Terminating entry */
124 };
125
126 static const struct usb_device_id id_table_combined[] = {
127 { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_VISOR_ID) },
128 { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO_ID) },
129 { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO600_ID) },
130 { USB_DEVICE(GSPDA_VENDOR_ID, GSPDA_XPLORE_M68_ID) },
131 { USB_DEVICE(PALM_VENDOR_ID, PALM_M500_ID) },
132 { USB_DEVICE(PALM_VENDOR_ID, PALM_M505_ID) },
133 { USB_DEVICE(PALM_VENDOR_ID, PALM_M515_ID) },
134 { USB_DEVICE(PALM_VENDOR_ID, PALM_I705_ID) },
135 { USB_DEVICE(PALM_VENDOR_ID, PALM_M100_ID) },
136 { USB_DEVICE(PALM_VENDOR_ID, PALM_M125_ID) },
137 { USB_DEVICE(PALM_VENDOR_ID, PALM_M130_ID) },
138 { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_T_ID) },
139 { USB_DEVICE(PALM_VENDOR_ID, PALM_TREO_650) },
140 { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_Z_ID) },
141 { USB_DEVICE(PALM_VENDOR_ID, PALM_ZIRE_ID) },
142 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_3_5_ID) },
143 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_0_ID) },
144 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_S360_ID) },
145 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_1_ID) },
146 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_NX60_ID) },
147 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_NZ90V_ID) },
148 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_UX50_ID) },
149 { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_TJ25_ID) },
150 { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SCH_I330_ID) },
151 { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SPH_I500_ID) },
152 { USB_DEVICE(TAPWAVE_VENDOR_ID, TAPWAVE_ZODIAC_ID) },
153 { USB_DEVICE(GARMIN_VENDOR_ID, GARMIN_IQUE_3600_ID) },
154 { USB_DEVICE(ACEECA_VENDOR_ID, ACEECA_MEZ1000_ID) },
155 { USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_7135_ID) },
156 { USB_DEVICE(FOSSIL_VENDOR_ID, FOSSIL_ABACUS_ID) },
157 { } /* Terminating entry */
158 };
159
160 MODULE_DEVICE_TABLE(usb, id_table_combined);
161
162 /* All of the device info needed for the Handspring Visor,
163 and Palm 4.0 devices */
164 static struct usb_serial_driver handspring_device = {
165 .driver = {
166 .owner = THIS_MODULE,
167 .name = "visor",
168 },
169 .description = "Handspring Visor / Palm OS",
170 .id_table = id_table,
171 .num_ports = 2,
172 .bulk_out_size = 256,
173 .open = visor_open,
174 .close = visor_close,
175 .throttle = usb_serial_generic_throttle,
176 .unthrottle = usb_serial_generic_unthrottle,
177 .attach = treo_attach,
178 .probe = visor_probe,
179 .calc_num_ports = visor_calc_num_ports,
180 .read_int_callback = visor_read_int_callback,
181 };
182
183 /* All of the device info needed for the Clie UX50, TH55 Palm 5.0 devices */
184 static struct usb_serial_driver clie_5_device = {
185 .driver = {
186 .owner = THIS_MODULE,
187 .name = "clie_5",
188 },
189 .description = "Sony Clie 5.0",
190 .id_table = clie_id_5_table,
191 .num_ports = 2,
192 .bulk_out_size = 256,
193 .open = visor_open,
194 .close = visor_close,
195 .throttle = usb_serial_generic_throttle,
196 .unthrottle = usb_serial_generic_unthrottle,
197 .attach = clie_5_attach,
198 .probe = visor_probe,
199 .calc_num_ports = visor_calc_num_ports,
200 .read_int_callback = visor_read_int_callback,
201 };
202
203 /* device info for the Sony Clie OS version 3.5 */
204 static struct usb_serial_driver clie_3_5_device = {
205 .driver = {
206 .owner = THIS_MODULE,
207 .name = "clie_3.5",
208 },
209 .description = "Sony Clie 3.5",
210 .id_table = clie_id_3_5_table,
211 .num_ports = 1,
212 .bulk_out_size = 256,
213 .open = visor_open,
214 .close = visor_close,
215 .throttle = usb_serial_generic_throttle,
216 .unthrottle = usb_serial_generic_unthrottle,
217 .attach = clie_3_5_startup,
218 };
219
220 static struct usb_serial_driver * const serial_drivers[] = {
221 &handspring_device, &clie_5_device, &clie_3_5_device, NULL
222 };
223
224 /******************************************************************************
225 * Handspring Visor specific driver functions
226 ******************************************************************************/
227 static int visor_open(struct tty_struct *tty, struct usb_serial_port *port)
228 {
229 int result = 0;
230
231 if (!port->read_urb) {
232 /* this is needed for some brain dead Sony devices */
233 dev_err(&port->dev, "Device lied about number of ports, please use a lower one.\n");
234 return -ENODEV;
235 }
236
237 /* Start reading from the device */
238 result = usb_serial_generic_open(tty, port);
239 if (result)
240 goto exit;
241
242 if (port->interrupt_in_urb) {
243 dev_dbg(&port->dev, "adding interrupt input for treo\n");
244 result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
245 if (result)
246 dev_err(&port->dev,
247 "%s - failed submitting interrupt urb, error %d\n",
248 __func__, result);
249 }
250 exit:
251 return result;
252 }
253
254
255 static void visor_close(struct usb_serial_port *port)
256 {
257 unsigned char *transfer_buffer;
258
259 usb_serial_generic_close(port);
260 usb_kill_urb(port->interrupt_in_urb);
261
262 transfer_buffer = kmalloc(0x12, GFP_KERNEL);
263 if (!transfer_buffer)
264 return;
265 usb_control_msg(port->serial->dev,
266 usb_rcvctrlpipe(port->serial->dev, 0),
267 VISOR_CLOSE_NOTIFICATION, 0xc2,
268 0x0000, 0x0000,
269 transfer_buffer, 0x12, 300);
270 kfree(transfer_buffer);
271 }
272
273 static void visor_read_int_callback(struct urb *urb)
274 {
275 struct usb_serial_port *port = urb->context;
276 int status = urb->status;
277 int result;
278
279 switch (status) {
280 case 0:
281 /* success */
282 break;
283 case -ECONNRESET:
284 case -ENOENT:
285 case -ESHUTDOWN:
286 /* this urb is terminated, clean up */
287 dev_dbg(&port->dev, "%s - urb shutting down with status: %d\n",
288 __func__, status);
289 return;
290 default:
291 dev_dbg(&port->dev, "%s - nonzero urb status received: %d\n",
292 __func__, status);
293 goto exit;
294 }
295
296 /*
297 * This information is still unknown what it can be used for.
298 * If anyone has an idea, please let the author know...
299 *
300 * Rumor has it this endpoint is used to notify when data
301 * is ready to be read from the bulk ones.
302 */
303 usb_serial_debug_data(&port->dev, __func__, urb->actual_length,
304 urb->transfer_buffer);
305
306 exit:
307 result = usb_submit_urb(urb, GFP_ATOMIC);
308 if (result)
309 dev_err(&urb->dev->dev,
310 "%s - Error %d submitting interrupt urb\n",
311 __func__, result);
312 }
313
314 static int palm_os_3_probe(struct usb_serial *serial,
315 const struct usb_device_id *id)
316 {
317 struct device *dev = &serial->dev->dev;
318 struct visor_connection_info *connection_info;
319 unsigned char *transfer_buffer;
320 char *string;
321 int retval = 0;
322 int i;
323 int num_ports = 0;
324
325 transfer_buffer = kmalloc(sizeof(*connection_info), GFP_KERNEL);
326 if (!transfer_buffer)
327 return -ENOMEM;
328
329 /* send a get connection info request */
330 retval = usb_control_msg(serial->dev,
331 usb_rcvctrlpipe(serial->dev, 0),
332 VISOR_GET_CONNECTION_INFORMATION,
333 0xc2, 0x0000, 0x0000, transfer_buffer,
334 sizeof(*connection_info), 300);
335 if (retval < 0) {
336 dev_err(dev, "%s - error %d getting connection information\n",
337 __func__, retval);
338 goto exit;
339 }
340
341 if (retval != sizeof(*connection_info)) {
342 dev_err(dev, "Invalid connection information received from device\n");
343 retval = -ENODEV;
344 goto exit;
345 }
346
347 connection_info = (struct visor_connection_info *)transfer_buffer;
348
349 num_ports = le16_to_cpu(connection_info->num_ports);
350
351 /* Handle devices that report invalid stuff here. */
352 if (num_ports == 0 || num_ports > 2) {
353 dev_warn(dev, "%s: No valid connect info available\n",
354 serial->type->description);
355 num_ports = 2;
356 }
357
358 for (i = 0; i < num_ports; ++i) {
359 switch (connection_info->connections[i].port_function_id) {
360 case VISOR_FUNCTION_GENERIC:
361 string = "Generic";
362 break;
363 case VISOR_FUNCTION_DEBUGGER:
364 string = "Debugger";
365 break;
366 case VISOR_FUNCTION_HOTSYNC:
367 string = "HotSync";
368 break;
369 case VISOR_FUNCTION_CONSOLE:
370 string = "Console";
371 break;
372 case VISOR_FUNCTION_REMOTE_FILE_SYS:
373 string = "Remote File System";
374 break;
375 default:
376 string = "unknown";
377 break;
378 }
379 dev_info(dev, "%s: port %d, is for %s use\n",
380 serial->type->description,
381 connection_info->connections[i].port, string);
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 if (serial->num_bulk_in < 2 || serial->num_interrupt_in < 2) {
549 dev_err(&serial->interface->dev, "missing endpoints\n");
550 return -ENODEV;
551 }
552
553 /*
554 * It appears that Treos and Kyoceras want to use the
555 * 1st bulk in endpoint to communicate with the 2nd bulk out endpoint,
556 * so let's swap the 1st and 2nd bulk in and interrupt endpoints.
557 * Note that swapping the bulk out endpoints would break lots of
558 * apps that want to communicate on the second port.
559 */
560 #define COPY_PORT(dest, src) \
561 do { \
562 int i; \
563 \
564 for (i = 0; i < ARRAY_SIZE(src->read_urbs); ++i) { \
565 dest->read_urbs[i] = src->read_urbs[i]; \
566 dest->read_urbs[i]->context = dest; \
567 dest->bulk_in_buffers[i] = src->bulk_in_buffers[i]; \
568 } \
569 dest->read_urb = src->read_urb; \
570 dest->bulk_in_endpointAddress = src->bulk_in_endpointAddress;\
571 dest->bulk_in_buffer = src->bulk_in_buffer; \
572 dest->bulk_in_size = src->bulk_in_size; \
573 dest->interrupt_in_urb = src->interrupt_in_urb; \
574 dest->interrupt_in_urb->context = dest; \
575 dest->interrupt_in_endpointAddress = \
576 src->interrupt_in_endpointAddress;\
577 dest->interrupt_in_buffer = src->interrupt_in_buffer; \
578 } while (0);
579
580 swap_port = kmalloc(sizeof(*swap_port), GFP_KERNEL);
581 if (!swap_port)
582 return -ENOMEM;
583 COPY_PORT(swap_port, serial->port[0]);
584 COPY_PORT(serial->port[0], serial->port[1]);
585 COPY_PORT(serial->port[1], swap_port);
586 kfree(swap_port);
587
588 return 0;
589 }
590
591 static int clie_5_attach(struct usb_serial *serial)
592 {
593 struct usb_serial_port *port;
594 unsigned int pipe;
595 int j;
596
597 /* TH55 registers 2 ports.
598 Communication in from the UX50/TH55 uses bulk_in_endpointAddress
599 from port 0. Communication out to the UX50/TH55 uses
600 bulk_out_endpointAddress from port 1
601
602 Lets do a quick and dirty mapping
603 */
604
605 /* some sanity check */
606 if (serial->num_bulk_out < 2) {
607 dev_err(&serial->interface->dev, "missing bulk out endpoints\n");
608 return -ENODEV;
609 }
610
611 /* port 0 now uses the modified endpoint Address */
612 port = serial->port[0];
613 port->bulk_out_endpointAddress =
614 serial->port[1]->bulk_out_endpointAddress;
615
616 pipe = usb_sndbulkpipe(serial->dev, port->bulk_out_endpointAddress);
617 for (j = 0; j < ARRAY_SIZE(port->write_urbs); ++j)
618 port->write_urbs[j]->pipe = pipe;
619
620 return 0;
621 }
622
623 module_usb_serial_driver(serial_drivers, id_table_combined);
624
625 MODULE_AUTHOR(DRIVER_AUTHOR);
626 MODULE_DESCRIPTION(DRIVER_DESC);
627 MODULE_LICENSE("GPL");
Linux with added FPC-III support