Commit | Line | Data |
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8491ee10 JS |
1 | /* |
2 | * USB Synaptics device driver | |
3 | * | |
4 | * Copyright (c) 2002 Rob Miller (rob@inpharmatica . co . uk) | |
5 | * Copyright (c) 2003 Ron Lee (ron@debian.org) | |
6 | * cPad driver for kernel 2.4 | |
7 | * | |
8 | * Copyright (c) 2004 Jan Steinhoff (cpad@jan-steinhoff . de) | |
9 | * Copyright (c) 2004 Ron Lee (ron@debian.org) | |
10 | * rewritten for kernel 2.6 | |
11 | * | |
12 | * cPad display character device part is not included. It can be found at | |
13 | * http://jan-steinhoff.de/linux/synaptics-usb.html | |
14 | * | |
15 | * Bases on: usb_skeleton.c v2.2 by Greg Kroah-Hartman | |
16 | * drivers/hid/usbhid/usbmouse.c by Vojtech Pavlik | |
17 | * drivers/input/mouse/synaptics.c by Peter Osterlund | |
18 | * | |
19 | * This program is free software; you can redistribute it and/or modify it | |
20 | * under the terms of the GNU General Public License as published by the Free | |
21 | * Software Foundation; either version 2 of the License, or (at your option) | |
22 | * any later version. | |
23 | * | |
24 | * Trademarks are the property of their respective owners. | |
25 | */ | |
26 | ||
27 | /* | |
28 | * There are three different types of Synaptics USB devices: Touchpads, | |
29 | * touchsticks (or trackpoints), and touchscreens. Touchpads are well supported | |
30 | * by this driver, touchstick support has not been tested much yet, and | |
31 | * touchscreens have not been tested at all. | |
32 | * | |
33 | * Up to three alternate settings are possible: | |
34 | * setting 0: one int endpoint for relative movement (used by usbhid.ko) | |
35 | * setting 1: one int endpoint for absolute finger position | |
36 | * setting 2 (cPad only): one int endpoint for absolute finger position and | |
37 | * two bulk endpoints for the display (in/out) | |
38 | * This driver uses setting 1. | |
39 | */ | |
40 | ||
41 | #include <linux/kernel.h> | |
8491ee10 JS |
42 | #include <linux/slab.h> |
43 | #include <linux/module.h> | |
44 | #include <linux/moduleparam.h> | |
45 | #include <linux/usb.h> | |
46 | #include <linux/input.h> | |
47 | #include <linux/usb/input.h> | |
48 | ||
49 | #define USB_VENDOR_ID_SYNAPTICS 0x06cb | |
50 | #define USB_DEVICE_ID_SYNAPTICS_TP 0x0001 /* Synaptics USB TouchPad */ | |
51 | #define USB_DEVICE_ID_SYNAPTICS_INT_TP 0x0002 /* Integrated USB TouchPad */ | |
52 | #define USB_DEVICE_ID_SYNAPTICS_CPAD 0x0003 /* Synaptics cPad */ | |
53 | #define USB_DEVICE_ID_SYNAPTICS_TS 0x0006 /* Synaptics TouchScreen */ | |
54 | #define USB_DEVICE_ID_SYNAPTICS_STICK 0x0007 /* Synaptics USB Styk */ | |
55 | #define USB_DEVICE_ID_SYNAPTICS_WP 0x0008 /* Synaptics USB WheelPad */ | |
56 | #define USB_DEVICE_ID_SYNAPTICS_COMP_TP 0x0009 /* Composite USB TouchPad */ | |
57 | #define USB_DEVICE_ID_SYNAPTICS_WTP 0x0010 /* Wireless TouchPad */ | |
58 | #define USB_DEVICE_ID_SYNAPTICS_DPAD 0x0013 /* DisplayPad */ | |
59 | ||
60 | #define SYNUSB_TOUCHPAD (1 << 0) | |
61 | #define SYNUSB_STICK (1 << 1) | |
62 | #define SYNUSB_TOUCHSCREEN (1 << 2) | |
63 | #define SYNUSB_AUXDISPLAY (1 << 3) /* For cPad */ | |
64 | #define SYNUSB_COMBO (1 << 4) /* Composite device (TP + stick) */ | |
65 | #define SYNUSB_IO_ALWAYS (1 << 5) | |
66 | ||
67 | #define USB_DEVICE_SYNAPTICS(prod, kind) \ | |
68 | USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, \ | |
69 | USB_DEVICE_ID_SYNAPTICS_##prod), \ | |
70 | .driver_info = (kind), | |
71 | ||
72 | #define SYNUSB_RECV_SIZE 8 | |
73 | ||
74 | #define XMIN_NOMINAL 1472 | |
75 | #define XMAX_NOMINAL 5472 | |
76 | #define YMIN_NOMINAL 1408 | |
77 | #define YMAX_NOMINAL 4448 | |
78 | ||
79 | struct synusb { | |
80 | struct usb_device *udev; | |
81 | struct usb_interface *intf; | |
82 | struct urb *urb; | |
83 | unsigned char *data; | |
84 | ||
85 | /* input device related data structures */ | |
86 | struct input_dev *input; | |
87 | char name[128]; | |
88 | char phys[64]; | |
89 | ||
90 | /* characteristics of the device */ | |
91 | unsigned long flags; | |
92 | }; | |
93 | ||
94 | static void synusb_report_buttons(struct synusb *synusb) | |
95 | { | |
96 | struct input_dev *input_dev = synusb->input; | |
97 | ||
98 | input_report_key(input_dev, BTN_LEFT, synusb->data[1] & 0x04); | |
99 | input_report_key(input_dev, BTN_RIGHT, synusb->data[1] & 0x01); | |
100 | input_report_key(input_dev, BTN_MIDDLE, synusb->data[1] & 0x02); | |
101 | } | |
102 | ||
103 | static void synusb_report_stick(struct synusb *synusb) | |
104 | { | |
105 | struct input_dev *input_dev = synusb->input; | |
106 | int x, y; | |
107 | unsigned int pressure; | |
108 | ||
109 | pressure = synusb->data[6]; | |
110 | x = (s16)(be16_to_cpup((__be16 *)&synusb->data[2]) << 3) >> 7; | |
111 | y = (s16)(be16_to_cpup((__be16 *)&synusb->data[4]) << 3) >> 7; | |
112 | ||
113 | if (pressure > 0) { | |
114 | input_report_rel(input_dev, REL_X, x); | |
115 | input_report_rel(input_dev, REL_Y, -y); | |
116 | } | |
117 | ||
118 | input_report_abs(input_dev, ABS_PRESSURE, pressure); | |
119 | ||
120 | synusb_report_buttons(synusb); | |
121 | ||
122 | input_sync(input_dev); | |
123 | } | |
124 | ||
125 | static void synusb_report_touchpad(struct synusb *synusb) | |
126 | { | |
127 | struct input_dev *input_dev = synusb->input; | |
128 | unsigned int num_fingers, tool_width; | |
129 | unsigned int x, y; | |
130 | unsigned int pressure, w; | |
131 | ||
132 | pressure = synusb->data[6]; | |
133 | x = be16_to_cpup((__be16 *)&synusb->data[2]); | |
134 | y = be16_to_cpup((__be16 *)&synusb->data[4]); | |
135 | w = synusb->data[0] & 0x0f; | |
136 | ||
137 | if (pressure > 0) { | |
138 | num_fingers = 1; | |
139 | tool_width = 5; | |
140 | switch (w) { | |
141 | case 0 ... 1: | |
142 | num_fingers = 2 + w; | |
143 | break; | |
144 | ||
145 | case 2: /* pen, pretend its a finger */ | |
146 | break; | |
147 | ||
148 | case 4 ... 15: | |
149 | tool_width = w; | |
150 | break; | |
151 | } | |
152 | } else { | |
153 | num_fingers = 0; | |
154 | tool_width = 0; | |
155 | } | |
156 | ||
157 | /* | |
158 | * Post events | |
159 | * BTN_TOUCH has to be first as mousedev relies on it when doing | |
160 | * absolute -> relative conversion | |
161 | */ | |
162 | ||
163 | if (pressure > 30) | |
164 | input_report_key(input_dev, BTN_TOUCH, 1); | |
165 | if (pressure < 25) | |
166 | input_report_key(input_dev, BTN_TOUCH, 0); | |
167 | ||
168 | if (num_fingers > 0) { | |
169 | input_report_abs(input_dev, ABS_X, x); | |
170 | input_report_abs(input_dev, ABS_Y, | |
171 | YMAX_NOMINAL + YMIN_NOMINAL - y); | |
172 | } | |
173 | ||
174 | input_report_abs(input_dev, ABS_PRESSURE, pressure); | |
175 | input_report_abs(input_dev, ABS_TOOL_WIDTH, tool_width); | |
176 | ||
177 | input_report_key(input_dev, BTN_TOOL_FINGER, num_fingers == 1); | |
178 | input_report_key(input_dev, BTN_TOOL_DOUBLETAP, num_fingers == 2); | |
179 | input_report_key(input_dev, BTN_TOOL_TRIPLETAP, num_fingers == 3); | |
180 | ||
181 | synusb_report_buttons(synusb); | |
182 | if (synusb->flags & SYNUSB_AUXDISPLAY) | |
183 | input_report_key(input_dev, BTN_MIDDLE, synusb->data[1] & 0x08); | |
184 | ||
185 | input_sync(input_dev); | |
186 | } | |
187 | ||
188 | static void synusb_irq(struct urb *urb) | |
189 | { | |
190 | struct synusb *synusb = urb->context; | |
191 | int error; | |
192 | ||
193 | /* Check our status in case we need to bail out early. */ | |
194 | switch (urb->status) { | |
195 | case 0: | |
196 | usb_mark_last_busy(synusb->udev); | |
197 | break; | |
198 | ||
199 | /* Device went away so don't keep trying to read from it. */ | |
200 | case -ECONNRESET: | |
201 | case -ENOENT: | |
202 | case -ESHUTDOWN: | |
203 | return; | |
204 | ||
205 | default: | |
206 | goto resubmit; | |
207 | break; | |
208 | } | |
209 | ||
210 | if (synusb->flags & SYNUSB_STICK) | |
211 | synusb_report_stick(synusb); | |
212 | else | |
213 | synusb_report_touchpad(synusb); | |
214 | ||
215 | resubmit: | |
216 | error = usb_submit_urb(urb, GFP_ATOMIC); | |
217 | if (error && error != -EPERM) | |
218 | dev_err(&synusb->intf->dev, | |
219 | "%s - usb_submit_urb failed with result: %d", | |
220 | __func__, error); | |
221 | } | |
222 | ||
223 | static struct usb_endpoint_descriptor * | |
224 | synusb_get_in_endpoint(struct usb_host_interface *iface) | |
225 | { | |
226 | ||
227 | struct usb_endpoint_descriptor *endpoint; | |
228 | int i; | |
229 | ||
230 | for (i = 0; i < iface->desc.bNumEndpoints; ++i) { | |
231 | endpoint = &iface->endpoint[i].desc; | |
232 | ||
233 | if (usb_endpoint_is_int_in(endpoint)) { | |
234 | /* we found our interrupt in endpoint */ | |
235 | return endpoint; | |
236 | } | |
237 | } | |
238 | ||
239 | return NULL; | |
240 | } | |
241 | ||
242 | static int synusb_open(struct input_dev *dev) | |
243 | { | |
244 | struct synusb *synusb = input_get_drvdata(dev); | |
245 | int retval; | |
246 | ||
247 | retval = usb_autopm_get_interface(synusb->intf); | |
248 | if (retval) { | |
249 | dev_err(&synusb->intf->dev, | |
250 | "%s - usb_autopm_get_interface failed, error: %d\n", | |
251 | __func__, retval); | |
252 | return retval; | |
253 | } | |
254 | ||
255 | retval = usb_submit_urb(synusb->urb, GFP_KERNEL); | |
256 | if (retval) { | |
257 | dev_err(&synusb->intf->dev, | |
258 | "%s - usb_submit_urb failed, error: %d\n", | |
259 | __func__, retval); | |
260 | retval = -EIO; | |
261 | goto out; | |
262 | } | |
263 | ||
264 | synusb->intf->needs_remote_wakeup = 1; | |
265 | ||
266 | out: | |
267 | usb_autopm_put_interface(synusb->intf); | |
268 | return retval; | |
269 | } | |
270 | ||
271 | static void synusb_close(struct input_dev *dev) | |
272 | { | |
273 | struct synusb *synusb = input_get_drvdata(dev); | |
274 | int autopm_error; | |
275 | ||
276 | autopm_error = usb_autopm_get_interface(synusb->intf); | |
277 | ||
278 | usb_kill_urb(synusb->urb); | |
279 | synusb->intf->needs_remote_wakeup = 0; | |
280 | ||
281 | if (!autopm_error) | |
282 | usb_autopm_put_interface(synusb->intf); | |
283 | } | |
284 | ||
285 | static int synusb_probe(struct usb_interface *intf, | |
286 | const struct usb_device_id *id) | |
287 | { | |
288 | struct usb_device *udev = interface_to_usbdev(intf); | |
289 | struct usb_endpoint_descriptor *ep; | |
290 | struct synusb *synusb; | |
291 | struct input_dev *input_dev; | |
292 | unsigned int intf_num = intf->cur_altsetting->desc.bInterfaceNumber; | |
293 | unsigned int altsetting = min(intf->num_altsetting, 1U); | |
294 | int error; | |
295 | ||
296 | error = usb_set_interface(udev, intf_num, altsetting); | |
297 | if (error) { | |
298 | dev_err(&udev->dev, | |
299 | "Can not set alternate setting to %i, error: %i", | |
300 | altsetting, error); | |
301 | return error; | |
302 | } | |
303 | ||
304 | ep = synusb_get_in_endpoint(intf->cur_altsetting); | |
305 | if (!ep) | |
306 | return -ENODEV; | |
307 | ||
308 | synusb = kzalloc(sizeof(*synusb), GFP_KERNEL); | |
309 | input_dev = input_allocate_device(); | |
310 | if (!synusb || !input_dev) { | |
311 | error = -ENOMEM; | |
312 | goto err_free_mem; | |
313 | } | |
314 | ||
315 | synusb->udev = udev; | |
316 | synusb->intf = intf; | |
317 | synusb->input = input_dev; | |
318 | ||
319 | synusb->flags = id->driver_info; | |
320 | if (synusb->flags & SYNUSB_COMBO) { | |
321 | /* | |
322 | * This is a combo device, we need to set proper | |
323 | * capability, depending on the interface. | |
324 | */ | |
325 | synusb->flags |= intf_num == 1 ? | |
326 | SYNUSB_STICK : SYNUSB_TOUCHPAD; | |
327 | } | |
328 | ||
329 | synusb->urb = usb_alloc_urb(0, GFP_KERNEL); | |
330 | if (!synusb->urb) { | |
331 | error = -ENOMEM; | |
332 | goto err_free_mem; | |
333 | } | |
334 | ||
335 | synusb->data = usb_alloc_coherent(udev, SYNUSB_RECV_SIZE, GFP_KERNEL, | |
336 | &synusb->urb->transfer_dma); | |
337 | if (!synusb->data) { | |
338 | error = -ENOMEM; | |
339 | goto err_free_urb; | |
340 | } | |
341 | ||
342 | usb_fill_int_urb(synusb->urb, udev, | |
343 | usb_rcvintpipe(udev, ep->bEndpointAddress), | |
344 | synusb->data, SYNUSB_RECV_SIZE, | |
345 | synusb_irq, synusb, | |
346 | ep->bInterval); | |
347 | synusb->urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; | |
348 | ||
349 | if (udev->manufacturer) | |
350 | strlcpy(synusb->name, udev->manufacturer, | |
351 | sizeof(synusb->name)); | |
352 | ||
353 | if (udev->product) { | |
354 | if (udev->manufacturer) | |
355 | strlcat(synusb->name, " ", sizeof(synusb->name)); | |
356 | strlcat(synusb->name, udev->product, sizeof(synusb->name)); | |
357 | } | |
358 | ||
359 | if (!strlen(synusb->name)) | |
360 | snprintf(synusb->name, sizeof(synusb->name), | |
361 | "USB Synaptics Device %04x:%04x", | |
362 | le16_to_cpu(udev->descriptor.idVendor), | |
363 | le16_to_cpu(udev->descriptor.idProduct)); | |
364 | ||
365 | if (synusb->flags & SYNUSB_STICK) | |
f2bb26b9 | 366 | strlcat(synusb->name, " (Stick)", sizeof(synusb->name)); |
8491ee10 JS |
367 | |
368 | usb_make_path(udev, synusb->phys, sizeof(synusb->phys)); | |
369 | strlcat(synusb->phys, "/input0", sizeof(synusb->phys)); | |
370 | ||
371 | input_dev->name = synusb->name; | |
372 | input_dev->phys = synusb->phys; | |
373 | usb_to_input_id(udev, &input_dev->id); | |
374 | input_dev->dev.parent = &synusb->intf->dev; | |
375 | ||
376 | if (!(synusb->flags & SYNUSB_IO_ALWAYS)) { | |
377 | input_dev->open = synusb_open; | |
378 | input_dev->close = synusb_close; | |
379 | } | |
380 | ||
381 | input_set_drvdata(input_dev, synusb); | |
382 | ||
383 | __set_bit(EV_ABS, input_dev->evbit); | |
384 | __set_bit(EV_KEY, input_dev->evbit); | |
385 | ||
386 | if (synusb->flags & SYNUSB_STICK) { | |
387 | __set_bit(EV_REL, input_dev->evbit); | |
388 | __set_bit(REL_X, input_dev->relbit); | |
389 | __set_bit(REL_Y, input_dev->relbit); | |
7611392f | 390 | __set_bit(INPUT_PROP_POINTING_STICK, input_dev->propbit); |
8491ee10 JS |
391 | input_set_abs_params(input_dev, ABS_PRESSURE, 0, 127, 0, 0); |
392 | } else { | |
393 | input_set_abs_params(input_dev, ABS_X, | |
394 | XMIN_NOMINAL, XMAX_NOMINAL, 0, 0); | |
395 | input_set_abs_params(input_dev, ABS_Y, | |
396 | YMIN_NOMINAL, YMAX_NOMINAL, 0, 0); | |
397 | input_set_abs_params(input_dev, ABS_PRESSURE, 0, 255, 0, 0); | |
398 | input_set_abs_params(input_dev, ABS_TOOL_WIDTH, 0, 15, 0, 0); | |
399 | __set_bit(BTN_TOUCH, input_dev->keybit); | |
400 | __set_bit(BTN_TOOL_FINGER, input_dev->keybit); | |
401 | __set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit); | |
402 | __set_bit(BTN_TOOL_TRIPLETAP, input_dev->keybit); | |
403 | } | |
404 | ||
01d4cd5c HG |
405 | if (synusb->flags & SYNUSB_TOUCHSCREEN) |
406 | __set_bit(INPUT_PROP_DIRECT, input_dev->propbit); | |
407 | else | |
408 | __set_bit(INPUT_PROP_POINTER, input_dev->propbit); | |
409 | ||
8491ee10 JS |
410 | __set_bit(BTN_LEFT, input_dev->keybit); |
411 | __set_bit(BTN_RIGHT, input_dev->keybit); | |
412 | __set_bit(BTN_MIDDLE, input_dev->keybit); | |
413 | ||
414 | usb_set_intfdata(intf, synusb); | |
415 | ||
416 | if (synusb->flags & SYNUSB_IO_ALWAYS) { | |
417 | error = synusb_open(input_dev); | |
418 | if (error) | |
419 | goto err_free_dma; | |
420 | } | |
421 | ||
422 | error = input_register_device(input_dev); | |
423 | if (error) { | |
424 | dev_err(&udev->dev, | |
425 | "Failed to register input device, error %d\n", | |
426 | error); | |
427 | goto err_stop_io; | |
428 | } | |
429 | ||
430 | return 0; | |
431 | ||
432 | err_stop_io: | |
433 | if (synusb->flags & SYNUSB_IO_ALWAYS) | |
434 | synusb_close(synusb->input); | |
435 | err_free_dma: | |
436 | usb_free_coherent(udev, SYNUSB_RECV_SIZE, synusb->data, | |
437 | synusb->urb->transfer_dma); | |
438 | err_free_urb: | |
439 | usb_free_urb(synusb->urb); | |
440 | err_free_mem: | |
441 | input_free_device(input_dev); | |
442 | kfree(synusb); | |
443 | usb_set_intfdata(intf, NULL); | |
444 | ||
445 | return error; | |
446 | } | |
447 | ||
448 | static void synusb_disconnect(struct usb_interface *intf) | |
449 | { | |
450 | struct synusb *synusb = usb_get_intfdata(intf); | |
451 | struct usb_device *udev = interface_to_usbdev(intf); | |
452 | ||
453 | if (synusb->flags & SYNUSB_IO_ALWAYS) | |
454 | synusb_close(synusb->input); | |
455 | ||
456 | input_unregister_device(synusb->input); | |
457 | ||
458 | usb_free_coherent(udev, SYNUSB_RECV_SIZE, synusb->data, | |
459 | synusb->urb->transfer_dma); | |
460 | usb_free_urb(synusb->urb); | |
461 | kfree(synusb); | |
462 | ||
463 | usb_set_intfdata(intf, NULL); | |
464 | } | |
465 | ||
466 | static int synusb_suspend(struct usb_interface *intf, pm_message_t message) | |
467 | { | |
468 | struct synusb *synusb = usb_get_intfdata(intf); | |
469 | struct input_dev *input_dev = synusb->input; | |
470 | ||
471 | mutex_lock(&input_dev->mutex); | |
472 | usb_kill_urb(synusb->urb); | |
473 | mutex_unlock(&input_dev->mutex); | |
474 | ||
475 | return 0; | |
476 | } | |
477 | ||
478 | static int synusb_resume(struct usb_interface *intf) | |
479 | { | |
480 | struct synusb *synusb = usb_get_intfdata(intf); | |
481 | struct input_dev *input_dev = synusb->input; | |
482 | int retval = 0; | |
483 | ||
484 | mutex_lock(&input_dev->mutex); | |
485 | ||
486 | if ((input_dev->users || (synusb->flags & SYNUSB_IO_ALWAYS)) && | |
487 | usb_submit_urb(synusb->urb, GFP_NOIO) < 0) { | |
488 | retval = -EIO; | |
489 | } | |
490 | ||
491 | mutex_unlock(&input_dev->mutex); | |
492 | ||
493 | return retval; | |
494 | } | |
495 | ||
496 | static int synusb_pre_reset(struct usb_interface *intf) | |
497 | { | |
498 | struct synusb *synusb = usb_get_intfdata(intf); | |
499 | struct input_dev *input_dev = synusb->input; | |
500 | ||
501 | mutex_lock(&input_dev->mutex); | |
502 | usb_kill_urb(synusb->urb); | |
503 | ||
504 | return 0; | |
505 | } | |
506 | ||
507 | static int synusb_post_reset(struct usb_interface *intf) | |
508 | { | |
509 | struct synusb *synusb = usb_get_intfdata(intf); | |
510 | struct input_dev *input_dev = synusb->input; | |
511 | int retval = 0; | |
512 | ||
513 | if ((input_dev->users || (synusb->flags & SYNUSB_IO_ALWAYS)) && | |
514 | usb_submit_urb(synusb->urb, GFP_NOIO) < 0) { | |
515 | retval = -EIO; | |
516 | } | |
517 | ||
518 | mutex_unlock(&input_dev->mutex); | |
519 | ||
520 | return retval; | |
521 | } | |
522 | ||
523 | static int synusb_reset_resume(struct usb_interface *intf) | |
524 | { | |
525 | return synusb_resume(intf); | |
526 | } | |
527 | ||
528 | static struct usb_device_id synusb_idtable[] = { | |
529 | { USB_DEVICE_SYNAPTICS(TP, SYNUSB_TOUCHPAD) }, | |
530 | { USB_DEVICE_SYNAPTICS(INT_TP, SYNUSB_TOUCHPAD) }, | |
531 | { USB_DEVICE_SYNAPTICS(CPAD, | |
532 | SYNUSB_TOUCHPAD | SYNUSB_AUXDISPLAY | SYNUSB_IO_ALWAYS) }, | |
533 | { USB_DEVICE_SYNAPTICS(TS, SYNUSB_TOUCHSCREEN) }, | |
534 | { USB_DEVICE_SYNAPTICS(STICK, SYNUSB_STICK) }, | |
535 | { USB_DEVICE_SYNAPTICS(WP, SYNUSB_TOUCHPAD) }, | |
536 | { USB_DEVICE_SYNAPTICS(COMP_TP, SYNUSB_COMBO) }, | |
537 | { USB_DEVICE_SYNAPTICS(WTP, SYNUSB_TOUCHPAD) }, | |
538 | { USB_DEVICE_SYNAPTICS(DPAD, SYNUSB_TOUCHPAD) }, | |
539 | { } | |
540 | }; | |
541 | MODULE_DEVICE_TABLE(usb, synusb_idtable); | |
542 | ||
543 | static struct usb_driver synusb_driver = { | |
544 | .name = "synaptics_usb", | |
545 | .probe = synusb_probe, | |
546 | .disconnect = synusb_disconnect, | |
547 | .id_table = synusb_idtable, | |
548 | .suspend = synusb_suspend, | |
549 | .resume = synusb_resume, | |
550 | .pre_reset = synusb_pre_reset, | |
551 | .post_reset = synusb_post_reset, | |
552 | .reset_resume = synusb_reset_resume, | |
553 | .supports_autosuspend = 1, | |
554 | }; | |
555 | ||
4a533835 | 556 | module_usb_driver(synusb_driver); |
8491ee10 JS |
557 | |
558 | MODULE_AUTHOR("Rob Miller <rob@inpharmatica.co.uk>, " | |
559 | "Ron Lee <ron@debian.org>, " | |
560 | "Jan Steinhoff <cpad@jan-steinhoff.de>"); | |
561 | MODULE_DESCRIPTION("Synaptics USB device driver"); | |
562 | MODULE_LICENSE("GPL"); |