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 */
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
53static 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
115static 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
121static 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
126static 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
160MODULE_DEVICE_TABLE(usb, id_table_combined);
161
162/* All of the device info needed for the Handspring Visor,
163   and Palm 4.0 devices */
164static 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 */
184static 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 */
204static 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
220static 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 ******************************************************************************/
227static 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	}
250exit:
251	return result;
252}
253
254
255static 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
273static 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
306exit:
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
314static 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			connection_info = (struct visor_connection_info *)
343							transfer_buffer;
344
345		num_ports = le16_to_cpu(connection_info->num_ports);
346		for (i = 0; i < num_ports; ++i) {
347			switch (
348			   connection_info->connections[i].port_function_id) {
349			case VISOR_FUNCTION_GENERIC:
350				string = "Generic";
351				break;
352			case VISOR_FUNCTION_DEBUGGER:
353				string = "Debugger";
354				break;
355			case VISOR_FUNCTION_HOTSYNC:
356				string = "HotSync";
357				break;
358			case VISOR_FUNCTION_CONSOLE:
359				string = "Console";
360				break;
361			case VISOR_FUNCTION_REMOTE_FILE_SYS:
362				string = "Remote File System";
363				break;
364			default:
365				string = "unknown";
366				break;
367			}
368			dev_info(dev, "%s: port %d, is for %s use\n",
369				serial->type->description,
370				connection_info->connections[i].port, string);
371		}
372	}
373	/*
374	* Handle devices that report invalid stuff here.
375	*/
376	if (num_ports == 0 || num_ports > 2) {
377		dev_warn(dev, "%s: No valid connect info available\n",
378			serial->type->description);
379		num_ports = 2;
380	}
381
382	dev_info(dev, "%s: Number of ports: %d\n", serial->type->description,
383		num_ports);
384
385	/*
386	 * save off our num_ports info so that we can use it in the
387	 * calc_num_ports callback
388	 */
389	usb_set_serial_data(serial, (void *)(long)num_ports);
390
391	/* ask for the number of bytes available, but ignore the
392	   response as it is broken */
393	retval = usb_control_msg(serial->dev,
394				  usb_rcvctrlpipe(serial->dev, 0),
395				  VISOR_REQUEST_BYTES_AVAILABLE,
396				  0xc2, 0x0000, 0x0005, transfer_buffer,
397				  0x02, 300);
398	if (retval < 0)
399		dev_err(dev, "%s - error %d getting bytes available request\n",
400			__func__, retval);
401	retval = 0;
402
403exit:
404	kfree(transfer_buffer);
405
406	return retval;
407}
408
409static int palm_os_4_probe(struct usb_serial *serial,
410						const struct usb_device_id *id)
411{
412	struct device *dev = &serial->dev->dev;
413	struct palm_ext_connection_info *connection_info;
414	unsigned char *transfer_buffer;
415	int retval;
416
417	transfer_buffer =  kmalloc(sizeof(*connection_info), GFP_KERNEL);
418	if (!transfer_buffer)
419		return -ENOMEM;
420
421	retval = usb_control_msg(serial->dev,
422				  usb_rcvctrlpipe(serial->dev, 0),
423				  PALM_GET_EXT_CONNECTION_INFORMATION,
424				  0xc2, 0x0000, 0x0000, transfer_buffer,
425				  sizeof(*connection_info), 300);
426	if (retval < 0)
427		dev_err(dev, "%s - error %d getting connection info\n",
428			__func__, retval);
429	else
430		usb_serial_debug_data(dev, __func__, retval, transfer_buffer);
431
432	kfree(transfer_buffer);
433	return 0;
434}
435
436
437static int visor_probe(struct usb_serial *serial,
438					const struct usb_device_id *id)
439{
440	int retval = 0;
441	int (*startup)(struct usb_serial *serial,
442					const struct usb_device_id *id);
443
444	/*
445	 * some Samsung Android phones in modem mode have the same ID
446	 * as SPH-I500, but they are ACM devices, so dont bind to them
447	 */
448	if (id->idVendor == SAMSUNG_VENDOR_ID &&
449		id->idProduct == SAMSUNG_SPH_I500_ID &&
450		serial->dev->descriptor.bDeviceClass == USB_CLASS_COMM &&
451		serial->dev->descriptor.bDeviceSubClass ==
452			USB_CDC_SUBCLASS_ACM)
453		return -ENODEV;
454
455	if (serial->dev->actconfig->desc.bConfigurationValue != 1) {
456		dev_err(&serial->dev->dev, "active config #%d != 1 ??\n",
457			serial->dev->actconfig->desc.bConfigurationValue);
458		return -ENODEV;
459	}
460
461	if (id->driver_info) {
462		startup = (void *)id->driver_info;
463		retval = startup(serial, id);
464	}
465
466	return retval;
467}
468
469static int visor_calc_num_ports(struct usb_serial *serial)
470{
471	int num_ports = (int)(long)(usb_get_serial_data(serial));
472
473	if (num_ports)
474		usb_set_serial_data(serial, NULL);
475
476	return num_ports;
477}
478
479static int clie_3_5_startup(struct usb_serial *serial)
480{
481	struct device *dev = &serial->dev->dev;
482	int result;
483	u8 *data;
484
485	data = kmalloc(1, GFP_KERNEL);
486	if (!data)
487		return -ENOMEM;
488
489	/*
490	 * Note that PEG-300 series devices expect the following two calls.
491	 */
492
493	/* get the config number */
494	result = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
495				  USB_REQ_GET_CONFIGURATION, USB_DIR_IN,
496				  0, 0, data, 1, 3000);
497	if (result < 0) {
498		dev_err(dev, "%s: get config number failed: %d\n",
499							__func__, result);
500		goto out;
501	}
502	if (result != 1) {
503		dev_err(dev, "%s: get config number bad return length: %d\n",
504							__func__, result);
505		result = -EIO;
506		goto out;
507	}
508
509	/* get the interface number */
510	result = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
511				  USB_REQ_GET_INTERFACE,
512				  USB_DIR_IN | USB_RECIP_INTERFACE,
513				  0, 0, data, 1, 3000);
514	if (result < 0) {
515		dev_err(dev, "%s: get interface number failed: %d\n",
516							__func__, result);
517		goto out;
518	}
519	if (result != 1) {
520		dev_err(dev,
521			"%s: get interface number bad return length: %d\n",
522							__func__, result);
523		result = -EIO;
524		goto out;
525	}
526
527	result = 0;
528out:
529	kfree(data);
530
531	return result;
532}
533
534static int treo_attach(struct usb_serial *serial)
535{
536	struct usb_serial_port *swap_port;
537
538	/* Only do this endpoint hack for the Handspring devices with
539	 * interrupt in endpoints, which for now are the Treo devices. */
540	if (!((le16_to_cpu(serial->dev->descriptor.idVendor)
541						== HANDSPRING_VENDOR_ID) ||
542		(le16_to_cpu(serial->dev->descriptor.idVendor)
543						== KYOCERA_VENDOR_ID)) ||
544		(serial->num_interrupt_in == 0))
545		return 0;
546
547	if (serial->num_bulk_in < 2 || serial->num_interrupt_in < 2) {
548		dev_err(&serial->interface->dev, "missing endpoints\n");
549		return -ENODEV;
550	}
551
552	/*
553	* It appears that Treos and Kyoceras want to use the
554	* 1st bulk in endpoint to communicate with the 2nd bulk out endpoint,
555	* so let's swap the 1st and 2nd bulk in and interrupt endpoints.
556	* Note that swapping the bulk out endpoints would break lots of
557	* apps that want to communicate on the second port.
558	*/
559#define COPY_PORT(dest, src)						\
560	do { \
561		int i;							\
562									\
563		for (i = 0; i < ARRAY_SIZE(src->read_urbs); ++i) {	\
564			dest->read_urbs[i] = src->read_urbs[i];		\
565			dest->read_urbs[i]->context = dest;		\
566			dest->bulk_in_buffers[i] = src->bulk_in_buffers[i]; \
567		}							\
568		dest->read_urb = src->read_urb;				\
569		dest->bulk_in_endpointAddress = src->bulk_in_endpointAddress;\
570		dest->bulk_in_buffer = src->bulk_in_buffer;		\
571		dest->bulk_in_size = src->bulk_in_size;			\
572		dest->interrupt_in_urb = src->interrupt_in_urb;		\
573		dest->interrupt_in_urb->context = dest;			\
574		dest->interrupt_in_endpointAddress = \
575					src->interrupt_in_endpointAddress;\
576		dest->interrupt_in_buffer = src->interrupt_in_buffer;	\
577	} while (0);
578
579	swap_port = kmalloc(sizeof(*swap_port), GFP_KERNEL);
580	if (!swap_port)
581		return -ENOMEM;
582	COPY_PORT(swap_port, serial->port[0]);
583	COPY_PORT(serial->port[0], serial->port[1]);
584	COPY_PORT(serial->port[1], swap_port);
585	kfree(swap_port);
586
587	return 0;
588}
589
590static int clie_5_attach(struct usb_serial *serial)
591{
592	struct usb_serial_port *port;
593	unsigned int pipe;
594	int j;
595
596	/* TH55 registers 2 ports.
597	   Communication in from the UX50/TH55 uses bulk_in_endpointAddress
598	   from port 0. Communication out to the UX50/TH55 uses
599	   bulk_out_endpointAddress from port 1
600
601	   Lets do a quick and dirty mapping
602	 */
603
604	/* some sanity check */
605	if (serial->num_bulk_out < 2) {
606		dev_err(&serial->interface->dev, "missing bulk out endpoints\n");
607		return -ENODEV;
608	}
609
610	/* port 0 now uses the modified endpoint Address */
611	port = serial->port[0];
612	port->bulk_out_endpointAddress =
613				serial->port[1]->bulk_out_endpointAddress;
614
615	pipe = usb_sndbulkpipe(serial->dev, port->bulk_out_endpointAddress);
616	for (j = 0; j < ARRAY_SIZE(port->write_urbs); ++j)
617		port->write_urbs[j]->pipe = pipe;
618
619	return 0;
620}
621
622module_usb_serial_driver(serial_drivers, id_table_combined);
623
624MODULE_AUTHOR(DRIVER_AUTHOR);
625MODULE_DESCRIPTION(DRIVER_DESC);
626MODULE_LICENSE("GPL");
627