1 | // SPDX-License-Identifier: GPL-2.0 |
2 | /* |
3 | * USB HandSpring Visor, Palm m50x, and Sony Clie driver |
4 | * (supports all of the Palm OS USB devices) |
5 | * |
6 | * Copyright (C) 1999 - 2004 |
7 | * Greg Kroah-Hartman (greg@kroah.com) |
8 | * |
9 | * See Documentation/usb/usb-serial.rst for more information on using this |
10 | * driver |
11 | * |
12 | */ |
13 | |
14 | #include <linux/kernel.h> |
15 | #include <linux/errno.h> |
16 | #include <linux/slab.h> |
17 | #include <linux/tty.h> |
18 | #include <linux/tty_driver.h> |
19 | #include <linux/tty_flip.h> |
20 | #include <linux/module.h> |
21 | #include <linux/moduleparam.h> |
22 | #include <linux/spinlock.h> |
23 | #include <linux/uaccess.h> |
24 | #include <linux/usb.h> |
25 | #include <linux/usb/serial.h> |
26 | #include <linux/usb/cdc.h> |
27 | #include "visor.h" |
28 | |
29 | /* |
30 | * Version Information |
31 | */ |
32 | #define DRIVER_AUTHOR "Greg Kroah-Hartman <greg@kroah.com>" |
33 | #define DRIVER_DESC "USB HandSpring Visor / Palm OS driver" |
34 | |
35 | /* function prototypes for a handspring visor */ |
36 | static int visor_open(struct tty_struct *tty, struct usb_serial_port *port); |
37 | static void visor_close(struct usb_serial_port *port); |
38 | static int visor_probe(struct usb_serial *serial, |
39 | const struct usb_device_id *id); |
40 | static int visor_calc_num_ports(struct usb_serial *serial, |
41 | struct usb_serial_endpoints *epds); |
42 | static int clie_5_calc_num_ports(struct usb_serial *serial, |
43 | struct usb_serial_endpoints *epds); |
44 | static void visor_read_int_callback(struct urb *urb); |
45 | static int clie_3_5_startup(struct usb_serial *serial); |
46 | static int palm_os_3_probe(struct usb_serial *serial, |
47 | const struct usb_device_id *id); |
48 | static int palm_os_4_probe(struct usb_serial *serial, |
49 | const struct usb_device_id *id); |
50 | |
51 | static const struct usb_device_id id_table[] = { |
52 | { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_VISOR_ID), |
53 | .driver_info = (kernel_ulong_t)&palm_os_3_probe }, |
54 | { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO_ID), |
55 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, |
56 | { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO600_ID), |
57 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, |
58 | { USB_DEVICE(GSPDA_VENDOR_ID, GSPDA_XPLORE_M68_ID), |
59 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, |
60 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M500_ID), |
61 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, |
62 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M505_ID), |
63 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, |
64 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M515_ID), |
65 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, |
66 | { USB_DEVICE(PALM_VENDOR_ID, PALM_I705_ID), |
67 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, |
68 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M100_ID), |
69 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, |
70 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M125_ID), |
71 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, |
72 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M130_ID), |
73 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, |
74 | { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_T_ID), |
75 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, |
76 | { USB_DEVICE(PALM_VENDOR_ID, PALM_TREO_650), |
77 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, |
78 | { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_Z_ID), |
79 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, |
80 | { USB_DEVICE(PALM_VENDOR_ID, PALM_ZIRE_ID), |
81 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, |
82 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_0_ID), |
83 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, |
84 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_S360_ID), |
85 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, |
86 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_1_ID), |
87 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, |
88 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_NX60_ID), |
89 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, |
90 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_NZ90V_ID), |
91 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, |
92 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_TJ25_ID), |
93 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, |
94 | { USB_DEVICE(ACER_VENDOR_ID, ACER_S10_ID), |
95 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, |
96 | { USB_DEVICE_INTERFACE_CLASS(SAMSUNG_VENDOR_ID, SAMSUNG_SCH_I330_ID, 0xff), |
97 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, |
98 | { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SPH_I500_ID), |
99 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, |
100 | { USB_DEVICE(TAPWAVE_VENDOR_ID, TAPWAVE_ZODIAC_ID), |
101 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, |
102 | { USB_DEVICE(GARMIN_VENDOR_ID, GARMIN_IQUE_3600_ID), |
103 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, |
104 | { USB_DEVICE(ACEECA_VENDOR_ID, ACEECA_MEZ1000_ID), |
105 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, |
106 | { USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_7135_ID), |
107 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, |
108 | { USB_DEVICE(FOSSIL_VENDOR_ID, FOSSIL_ABACUS_ID), |
109 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, |
110 | { } /* Terminating entry */ |
111 | }; |
112 | |
113 | static const struct usb_device_id clie_id_5_table[] = { |
114 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_UX50_ID), |
115 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, |
116 | { } /* Terminating entry */ |
117 | }; |
118 | |
119 | static const struct usb_device_id clie_id_3_5_table[] = { |
120 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_3_5_ID) }, |
121 | { } /* Terminating entry */ |
122 | }; |
123 | |
124 | static const struct usb_device_id id_table_combined[] = { |
125 | { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_VISOR_ID) }, |
126 | { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO_ID) }, |
127 | { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO600_ID) }, |
128 | { USB_DEVICE(GSPDA_VENDOR_ID, GSPDA_XPLORE_M68_ID) }, |
129 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M500_ID) }, |
130 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M505_ID) }, |
131 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M515_ID) }, |
132 | { USB_DEVICE(PALM_VENDOR_ID, PALM_I705_ID) }, |
133 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M100_ID) }, |
134 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M125_ID) }, |
135 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M130_ID) }, |
136 | { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_T_ID) }, |
137 | { USB_DEVICE(PALM_VENDOR_ID, PALM_TREO_650) }, |
138 | { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_Z_ID) }, |
139 | { USB_DEVICE(PALM_VENDOR_ID, PALM_ZIRE_ID) }, |
140 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_3_5_ID) }, |
141 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_0_ID) }, |
142 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_S360_ID) }, |
143 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_1_ID) }, |
144 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_NX60_ID) }, |
145 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_NZ90V_ID) }, |
146 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_UX50_ID) }, |
147 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_TJ25_ID) }, |
148 | { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SCH_I330_ID) }, |
149 | { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SPH_I500_ID) }, |
150 | { USB_DEVICE(TAPWAVE_VENDOR_ID, TAPWAVE_ZODIAC_ID) }, |
151 | { USB_DEVICE(GARMIN_VENDOR_ID, GARMIN_IQUE_3600_ID) }, |
152 | { USB_DEVICE(ACEECA_VENDOR_ID, ACEECA_MEZ1000_ID) }, |
153 | { USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_7135_ID) }, |
154 | { USB_DEVICE(FOSSIL_VENDOR_ID, FOSSIL_ABACUS_ID) }, |
155 | { } /* Terminating entry */ |
156 | }; |
157 | |
158 | MODULE_DEVICE_TABLE(usb, id_table_combined); |
159 | |
160 | /* All of the device info needed for the Handspring Visor, |
161 | and Palm 4.0 devices */ |
162 | static struct usb_serial_driver handspring_device = { |
163 | .driver = { |
164 | .owner = THIS_MODULE, |
165 | .name = "visor" , |
166 | }, |
167 | .description = "Handspring Visor / Palm OS" , |
168 | .id_table = id_table, |
169 | .num_ports = 2, |
170 | .bulk_out_size = 256, |
171 | .open = visor_open, |
172 | .close = visor_close, |
173 | .throttle = usb_serial_generic_throttle, |
174 | .unthrottle = usb_serial_generic_unthrottle, |
175 | .probe = visor_probe, |
176 | .calc_num_ports = visor_calc_num_ports, |
177 | .read_int_callback = visor_read_int_callback, |
178 | }; |
179 | |
180 | /* All of the device info needed for the Clie UX50, TH55 Palm 5.0 devices */ |
181 | static struct usb_serial_driver clie_5_device = { |
182 | .driver = { |
183 | .owner = THIS_MODULE, |
184 | .name = "clie_5" , |
185 | }, |
186 | .description = "Sony Clie 5.0" , |
187 | .id_table = clie_id_5_table, |
188 | .num_ports = 2, |
189 | .num_bulk_out = 2, |
190 | .bulk_out_size = 256, |
191 | .open = visor_open, |
192 | .close = visor_close, |
193 | .throttle = usb_serial_generic_throttle, |
194 | .unthrottle = usb_serial_generic_unthrottle, |
195 | .probe = visor_probe, |
196 | .calc_num_ports = clie_5_calc_num_ports, |
197 | .read_int_callback = visor_read_int_callback, |
198 | }; |
199 | |
200 | /* device info for the Sony Clie OS version 3.5 */ |
201 | static struct usb_serial_driver clie_3_5_device = { |
202 | .driver = { |
203 | .owner = THIS_MODULE, |
204 | .name = "clie_3.5" , |
205 | }, |
206 | .description = "Sony Clie 3.5" , |
207 | .id_table = clie_id_3_5_table, |
208 | .num_ports = 1, |
209 | .bulk_out_size = 256, |
210 | .open = visor_open, |
211 | .close = visor_close, |
212 | .throttle = usb_serial_generic_throttle, |
213 | .unthrottle = usb_serial_generic_unthrottle, |
214 | .attach = clie_3_5_startup, |
215 | }; |
216 | |
217 | static struct usb_serial_driver * const serial_drivers[] = { |
218 | &handspring_device, &clie_5_device, &clie_3_5_device, NULL |
219 | }; |
220 | |
221 | /****************************************************************************** |
222 | * Handspring Visor specific driver functions |
223 | ******************************************************************************/ |
224 | static int visor_open(struct tty_struct *tty, struct usb_serial_port *port) |
225 | { |
226 | int result = 0; |
227 | |
228 | if (!port->read_urb) { |
229 | /* this is needed for some brain dead Sony devices */ |
230 | dev_err(&port->dev, "Device lied about number of ports, please use a lower one.\n" ); |
231 | return -ENODEV; |
232 | } |
233 | |
234 | /* Start reading from the device */ |
235 | result = usb_serial_generic_open(tty, port); |
236 | if (result) |
237 | goto exit; |
238 | |
239 | if (port->interrupt_in_urb) { |
240 | dev_dbg(&port->dev, "adding interrupt input for treo\n" ); |
241 | result = usb_submit_urb(urb: port->interrupt_in_urb, GFP_KERNEL); |
242 | if (result) |
243 | dev_err(&port->dev, |
244 | "%s - failed submitting interrupt urb, error %d\n" , |
245 | __func__, result); |
246 | } |
247 | exit: |
248 | return result; |
249 | } |
250 | |
251 | |
252 | static void visor_close(struct usb_serial_port *port) |
253 | { |
254 | unsigned char *transfer_buffer; |
255 | |
256 | usb_serial_generic_close(port); |
257 | usb_kill_urb(urb: port->interrupt_in_urb); |
258 | |
259 | transfer_buffer = kmalloc(size: 0x12, GFP_KERNEL); |
260 | if (!transfer_buffer) |
261 | return; |
262 | usb_control_msg(dev: port->serial->dev, |
263 | usb_rcvctrlpipe(port->serial->dev, 0), |
264 | VISOR_CLOSE_NOTIFICATION, requesttype: 0xc2, |
265 | value: 0x0000, index: 0x0000, |
266 | data: transfer_buffer, size: 0x12, timeout: 300); |
267 | kfree(objp: transfer_buffer); |
268 | } |
269 | |
270 | static void visor_read_int_callback(struct urb *urb) |
271 | { |
272 | struct usb_serial_port *port = urb->context; |
273 | int status = urb->status; |
274 | int result; |
275 | |
276 | switch (status) { |
277 | case 0: |
278 | /* success */ |
279 | break; |
280 | case -ECONNRESET: |
281 | case -ENOENT: |
282 | case -ESHUTDOWN: |
283 | /* this urb is terminated, clean up */ |
284 | dev_dbg(&port->dev, "%s - urb shutting down with status: %d\n" , |
285 | __func__, status); |
286 | return; |
287 | default: |
288 | dev_dbg(&port->dev, "%s - nonzero urb status received: %d\n" , |
289 | __func__, status); |
290 | goto exit; |
291 | } |
292 | |
293 | /* |
294 | * This information is still unknown what it can be used for. |
295 | * If anyone has an idea, please let the author know... |
296 | * |
297 | * Rumor has it this endpoint is used to notify when data |
298 | * is ready to be read from the bulk ones. |
299 | */ |
300 | usb_serial_debug_data(dev: &port->dev, function: __func__, size: urb->actual_length, |
301 | data: urb->transfer_buffer); |
302 | |
303 | exit: |
304 | result = usb_submit_urb(urb, GFP_ATOMIC); |
305 | if (result) |
306 | dev_err(&urb->dev->dev, |
307 | "%s - Error %d submitting interrupt urb\n" , |
308 | __func__, result); |
309 | } |
310 | |
311 | static int palm_os_3_probe(struct usb_serial *serial, |
312 | const struct usb_device_id *id) |
313 | { |
314 | struct device *dev = &serial->dev->dev; |
315 | struct visor_connection_info *connection_info; |
316 | unsigned char *transfer_buffer; |
317 | char *string; |
318 | int retval = 0; |
319 | int i; |
320 | int num_ports = 0; |
321 | |
322 | transfer_buffer = kmalloc(size: sizeof(*connection_info), GFP_KERNEL); |
323 | if (!transfer_buffer) |
324 | return -ENOMEM; |
325 | |
326 | /* send a get connection info request */ |
327 | retval = usb_control_msg(dev: serial->dev, |
328 | usb_rcvctrlpipe(serial->dev, 0), |
329 | VISOR_GET_CONNECTION_INFORMATION, |
330 | requesttype: 0xc2, value: 0x0000, index: 0x0000, data: transfer_buffer, |
331 | size: sizeof(*connection_info), timeout: 300); |
332 | if (retval < 0) { |
333 | dev_err(dev, "%s - error %d getting connection information\n" , |
334 | __func__, retval); |
335 | goto exit; |
336 | } |
337 | |
338 | if (retval != sizeof(*connection_info)) { |
339 | dev_err(dev, "Invalid connection information received from device\n" ); |
340 | retval = -ENODEV; |
341 | goto exit; |
342 | } |
343 | |
344 | connection_info = (struct visor_connection_info *)transfer_buffer; |
345 | |
346 | num_ports = le16_to_cpu(connection_info->num_ports); |
347 | |
348 | /* Handle devices that report invalid stuff here. */ |
349 | if (num_ports == 0 || num_ports > 2) { |
350 | dev_warn(dev, "%s: No valid connect info available\n" , |
351 | serial->type->description); |
352 | num_ports = 2; |
353 | } |
354 | |
355 | for (i = 0; i < num_ports; ++i) { |
356 | switch (connection_info->connections[i].port_function_id) { |
357 | case VISOR_FUNCTION_GENERIC: |
358 | string = "Generic" ; |
359 | break; |
360 | case VISOR_FUNCTION_DEBUGGER: |
361 | string = "Debugger" ; |
362 | break; |
363 | case VISOR_FUNCTION_HOTSYNC: |
364 | string = "HotSync" ; |
365 | break; |
366 | case VISOR_FUNCTION_CONSOLE: |
367 | string = "Console" ; |
368 | break; |
369 | case VISOR_FUNCTION_REMOTE_FILE_SYS: |
370 | string = "Remote File System" ; |
371 | break; |
372 | default: |
373 | string = "unknown" ; |
374 | break; |
375 | } |
376 | dev_info(dev, "%s: port %d, is for %s use\n" , |
377 | serial->type->description, |
378 | connection_info->connections[i].port, string); |
379 | } |
380 | dev_info(dev, "%s: Number of ports: %d\n" , serial->type->description, |
381 | num_ports); |
382 | |
383 | /* |
384 | * save off our num_ports info so that we can use it in the |
385 | * calc_num_ports callback |
386 | */ |
387 | usb_set_serial_data(serial, data: (void *)(long)num_ports); |
388 | |
389 | /* ask for the number of bytes available, but ignore the |
390 | response as it is broken */ |
391 | retval = usb_control_msg(dev: serial->dev, |
392 | usb_rcvctrlpipe(serial->dev, 0), |
393 | VISOR_REQUEST_BYTES_AVAILABLE, |
394 | requesttype: 0xc2, value: 0x0000, index: 0x0005, data: transfer_buffer, |
395 | size: 0x02, timeout: 300); |
396 | if (retval < 0) |
397 | dev_err(dev, "%s - error %d getting bytes available request\n" , |
398 | __func__, retval); |
399 | retval = 0; |
400 | |
401 | exit: |
402 | kfree(objp: transfer_buffer); |
403 | |
404 | return retval; |
405 | } |
406 | |
407 | static int palm_os_4_probe(struct usb_serial *serial, |
408 | const struct usb_device_id *id) |
409 | { |
410 | struct device *dev = &serial->dev->dev; |
411 | struct palm_ext_connection_info *connection_info; |
412 | unsigned char *transfer_buffer; |
413 | int retval; |
414 | |
415 | transfer_buffer = kmalloc(size: sizeof(*connection_info), GFP_KERNEL); |
416 | if (!transfer_buffer) |
417 | return -ENOMEM; |
418 | |
419 | retval = usb_control_msg(dev: serial->dev, |
420 | usb_rcvctrlpipe(serial->dev, 0), |
421 | PALM_GET_EXT_CONNECTION_INFORMATION, |
422 | requesttype: 0xc2, value: 0x0000, index: 0x0000, data: transfer_buffer, |
423 | size: sizeof(*connection_info), timeout: 300); |
424 | if (retval < 0) |
425 | dev_err(dev, "%s - error %d getting connection info\n" , |
426 | __func__, retval); |
427 | else |
428 | usb_serial_debug_data(dev, function: __func__, size: retval, data: transfer_buffer); |
429 | |
430 | kfree(objp: transfer_buffer); |
431 | return 0; |
432 | } |
433 | |
434 | |
435 | static int visor_probe(struct usb_serial *serial, |
436 | const struct usb_device_id *id) |
437 | { |
438 | int retval = 0; |
439 | int (*startup)(struct usb_serial *serial, |
440 | const struct usb_device_id *id); |
441 | |
442 | /* |
443 | * some Samsung Android phones in modem mode have the same ID |
444 | * as SPH-I500, but they are ACM devices, so dont bind to them |
445 | */ |
446 | if (id->idVendor == SAMSUNG_VENDOR_ID && |
447 | id->idProduct == SAMSUNG_SPH_I500_ID && |
448 | serial->dev->descriptor.bDeviceClass == USB_CLASS_COMM && |
449 | serial->dev->descriptor.bDeviceSubClass == |
450 | USB_CDC_SUBCLASS_ACM) |
451 | return -ENODEV; |
452 | |
453 | if (serial->dev->actconfig->desc.bConfigurationValue != 1) { |
454 | dev_err(&serial->dev->dev, "active config #%d != 1 ??\n" , |
455 | serial->dev->actconfig->desc.bConfigurationValue); |
456 | return -ENODEV; |
457 | } |
458 | |
459 | if (id->driver_info) { |
460 | startup = (void *)id->driver_info; |
461 | retval = startup(serial, id); |
462 | } |
463 | |
464 | return retval; |
465 | } |
466 | |
467 | static int visor_calc_num_ports(struct usb_serial *serial, |
468 | struct usb_serial_endpoints *epds) |
469 | { |
470 | unsigned int vid = le16_to_cpu(serial->dev->descriptor.idVendor); |
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 | /* |
477 | * Only swap the bulk endpoints for the Handspring devices with |
478 | * interrupt in endpoints, which for now are the Treo devices. |
479 | */ |
480 | if (!(vid == HANDSPRING_VENDOR_ID || vid == KYOCERA_VENDOR_ID) || |
481 | epds->num_interrupt_in == 0) |
482 | goto out; |
483 | |
484 | if (epds->num_bulk_in < 2 || epds->num_interrupt_in < 2) { |
485 | dev_err(&serial->interface->dev, "missing endpoints\n" ); |
486 | return -ENODEV; |
487 | } |
488 | |
489 | /* |
490 | * It appears that Treos and Kyoceras want to use the |
491 | * 1st bulk in endpoint to communicate with the 2nd bulk out endpoint, |
492 | * so let's swap the 1st and 2nd bulk in and interrupt endpoints. |
493 | * Note that swapping the bulk out endpoints would break lots of |
494 | * apps that want to communicate on the second port. |
495 | */ |
496 | swap(epds->bulk_in[0], epds->bulk_in[1]); |
497 | swap(epds->interrupt_in[0], epds->interrupt_in[1]); |
498 | out: |
499 | return num_ports; |
500 | } |
501 | |
502 | static int clie_5_calc_num_ports(struct usb_serial *serial, |
503 | struct usb_serial_endpoints *epds) |
504 | { |
505 | /* |
506 | * TH55 registers 2 ports. |
507 | * Communication in from the UX50/TH55 uses the first bulk-in |
508 | * endpoint, while communication out to the UX50/TH55 uses the second |
509 | * bulk-out endpoint. |
510 | */ |
511 | |
512 | /* |
513 | * FIXME: Should we swap the descriptors instead of using the same |
514 | * bulk-out endpoint for both ports? |
515 | */ |
516 | epds->bulk_out[0] = epds->bulk_out[1]; |
517 | |
518 | return serial->type->num_ports; |
519 | } |
520 | |
521 | static int clie_3_5_startup(struct usb_serial *serial) |
522 | { |
523 | struct device *dev = &serial->dev->dev; |
524 | int result; |
525 | u8 *data; |
526 | |
527 | data = kmalloc(size: 1, GFP_KERNEL); |
528 | if (!data) |
529 | return -ENOMEM; |
530 | |
531 | /* |
532 | * Note that PEG-300 series devices expect the following two calls. |
533 | */ |
534 | |
535 | /* get the config number */ |
536 | result = usb_control_msg(dev: serial->dev, usb_rcvctrlpipe(serial->dev, 0), |
537 | USB_REQ_GET_CONFIGURATION, USB_DIR_IN, |
538 | value: 0, index: 0, data, size: 1, timeout: 3000); |
539 | if (result < 0) { |
540 | dev_err(dev, "%s: get config number failed: %d\n" , |
541 | __func__, result); |
542 | goto out; |
543 | } |
544 | if (result != 1) { |
545 | dev_err(dev, "%s: get config number bad return length: %d\n" , |
546 | __func__, result); |
547 | result = -EIO; |
548 | goto out; |
549 | } |
550 | |
551 | /* get the interface number */ |
552 | result = usb_control_msg(dev: serial->dev, usb_rcvctrlpipe(serial->dev, 0), |
553 | USB_REQ_GET_INTERFACE, |
554 | USB_DIR_IN | USB_RECIP_INTERFACE, |
555 | value: 0, index: 0, data, size: 1, timeout: 3000); |
556 | if (result < 0) { |
557 | dev_err(dev, "%s: get interface number failed: %d\n" , |
558 | __func__, result); |
559 | goto out; |
560 | } |
561 | if (result != 1) { |
562 | dev_err(dev, |
563 | "%s: get interface number bad return length: %d\n" , |
564 | __func__, result); |
565 | result = -EIO; |
566 | goto out; |
567 | } |
568 | |
569 | result = 0; |
570 | out: |
571 | kfree(objp: data); |
572 | |
573 | return result; |
574 | } |
575 | |
576 | module_usb_serial_driver(serial_drivers, id_table_combined); |
577 | |
578 | MODULE_AUTHOR(DRIVER_AUTHOR); |
579 | MODULE_DESCRIPTION(DRIVER_DESC); |
580 | MODULE_LICENSE("GPL v2" ); |
581 | |