]>
Commit | Line | Data |
---|---|---|
3bea733a | 1 | /* |
4104d13f | 2 | * drivers/input/tablet/wacom_sys.c |
3bea733a PC |
3 | * |
4 | * USB Wacom Graphire and Wacom Intuos tablet support - system specific code | |
5 | */ | |
6 | ||
7 | /* | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | */ | |
13 | ||
14 | #include "wacom.h" | |
15 | #include "wacom_wac.h" | |
16 | ||
545f4e99 PC |
17 | /* defines to get HID report descriptor */ |
18 | #define HID_DEVICET_HID (USB_TYPE_CLASS | 0x01) | |
19 | #define HID_DEVICET_REPORT (USB_TYPE_CLASS | 0x02) | |
20 | #define HID_USAGE_UNDEFINED 0x00 | |
21 | #define HID_USAGE_PAGE 0x05 | |
22 | #define HID_USAGE_PAGE_DIGITIZER 0x0d | |
23 | #define HID_USAGE_PAGE_DESKTOP 0x01 | |
24 | #define HID_USAGE 0x09 | |
25 | #define HID_USAGE_X 0x30 | |
26 | #define HID_USAGE_Y 0x31 | |
27 | #define HID_USAGE_X_TILT 0x3d | |
28 | #define HID_USAGE_Y_TILT 0x3e | |
29 | #define HID_USAGE_FINGER 0x22 | |
30 | #define HID_USAGE_STYLUS 0x20 | |
31 | #define HID_COLLECTION 0xc0 | |
32 | ||
33 | enum { | |
34 | WCM_UNDEFINED = 0, | |
35 | WCM_DESKTOP, | |
36 | WCM_DIGITIZER, | |
37 | }; | |
38 | ||
39 | struct hid_descriptor { | |
40 | struct usb_descriptor_header header; | |
41 | __le16 bcdHID; | |
42 | u8 bCountryCode; | |
43 | u8 bNumDescriptors; | |
44 | u8 bDescriptorType; | |
45 | __le16 wDescriptorLength; | |
46 | } __attribute__ ((packed)); | |
47 | ||
48 | /* defines to get/set USB message */ | |
3bea733a PC |
49 | #define USB_REQ_GET_REPORT 0x01 |
50 | #define USB_REQ_SET_REPORT 0x09 | |
545f4e99 | 51 | #define WAC_HID_FEATURE_REPORT 0x03 |
3bea733a PC |
52 | |
53 | static int usb_get_report(struct usb_interface *intf, unsigned char type, | |
54 | unsigned char id, void *buf, int size) | |
55 | { | |
56 | return usb_control_msg(interface_to_usbdev(intf), | |
57 | usb_rcvctrlpipe(interface_to_usbdev(intf), 0), | |
58 | USB_REQ_GET_REPORT, USB_TYPE_CLASS | USB_RECIP_INTERFACE, | |
59 | (type << 8) + id, intf->altsetting[0].desc.bInterfaceNumber, | |
60 | buf, size, 100); | |
61 | } | |
62 | ||
63 | static int usb_set_report(struct usb_interface *intf, unsigned char type, | |
64 | unsigned char id, void *buf, int size) | |
65 | { | |
66 | return usb_control_msg(interface_to_usbdev(intf), | |
67 | usb_sndctrlpipe(interface_to_usbdev(intf), 0), | |
68 | USB_REQ_SET_REPORT, USB_TYPE_CLASS | USB_RECIP_INTERFACE, | |
69 | (type << 8) + id, intf->altsetting[0].desc.bInterfaceNumber, | |
70 | buf, size, 1000); | |
71 | } | |
72 | ||
73 | static struct input_dev * get_input_dev(struct wacom_combo *wcombo) | |
74 | { | |
75 | return wcombo->wacom->dev; | |
76 | } | |
77 | ||
54c9b226 | 78 | static void wacom_sys_irq(struct urb *urb) |
3bea733a PC |
79 | { |
80 | struct wacom *wacom = urb->context; | |
81 | struct wacom_combo wcombo; | |
82 | int retval; | |
83 | ||
84 | switch (urb->status) { | |
85 | case 0: | |
86 | /* success */ | |
87 | break; | |
88 | case -ECONNRESET: | |
89 | case -ENOENT: | |
90 | case -ESHUTDOWN: | |
91 | /* this urb is terminated, clean up */ | |
ea3e6c59 | 92 | dbg("%s - urb shutting down with status: %d", __func__, urb->status); |
3bea733a PC |
93 | return; |
94 | default: | |
ea3e6c59 | 95 | dbg("%s - nonzero urb status received: %d", __func__, urb->status); |
3bea733a PC |
96 | goto exit; |
97 | } | |
98 | ||
99 | wcombo.wacom = wacom; | |
100 | wcombo.urb = urb; | |
3bea733a PC |
101 | |
102 | if (wacom_wac_irq(wacom->wacom_wac, (void *)&wcombo)) | |
103 | input_sync(get_input_dev(&wcombo)); | |
104 | ||
105 | exit: | |
e7224094 | 106 | usb_mark_last_busy(wacom->usbdev); |
3bea733a PC |
107 | retval = usb_submit_urb (urb, GFP_ATOMIC); |
108 | if (retval) | |
109 | err ("%s - usb_submit_urb failed with result %d", | |
ea3e6c59 | 110 | __func__, retval); |
3bea733a PC |
111 | } |
112 | ||
113 | void wacom_report_key(void *wcombo, unsigned int key_type, int key_data) | |
114 | { | |
115 | input_report_key(get_input_dev((struct wacom_combo *)wcombo), key_type, key_data); | |
3bea733a PC |
116 | } |
117 | ||
118 | void wacom_report_abs(void *wcombo, unsigned int abs_type, int abs_data) | |
119 | { | |
120 | input_report_abs(get_input_dev((struct wacom_combo *)wcombo), abs_type, abs_data); | |
3bea733a PC |
121 | } |
122 | ||
123 | void wacom_report_rel(void *wcombo, unsigned int rel_type, int rel_data) | |
124 | { | |
125 | input_report_rel(get_input_dev((struct wacom_combo *)wcombo), rel_type, rel_data); | |
3bea733a PC |
126 | } |
127 | ||
128 | void wacom_input_event(void *wcombo, unsigned int type, unsigned int code, int value) | |
129 | { | |
130 | input_event(get_input_dev((struct wacom_combo *)wcombo), type, code, value); | |
3bea733a PC |
131 | } |
132 | ||
133 | __u16 wacom_be16_to_cpu(unsigned char *data) | |
134 | { | |
135 | __u16 value; | |
136 | value = be16_to_cpu(*(__be16 *) data); | |
137 | return value; | |
138 | } | |
139 | ||
140 | __u16 wacom_le16_to_cpu(unsigned char *data) | |
141 | { | |
142 | __u16 value; | |
8d32e3ae | 143 | value = le16_to_cpu(*(__le16 *) data); |
3bea733a PC |
144 | return value; |
145 | } | |
146 | ||
3bea733a PC |
147 | void wacom_input_sync(void *wcombo) |
148 | { | |
149 | input_sync(get_input_dev((struct wacom_combo *)wcombo)); | |
3bea733a PC |
150 | } |
151 | ||
152 | static int wacom_open(struct input_dev *dev) | |
153 | { | |
7791bdae | 154 | struct wacom *wacom = input_get_drvdata(dev); |
3bea733a | 155 | |
e7224094 ON |
156 | mutex_lock(&wacom->lock); |
157 | ||
3bea733a | 158 | wacom->irq->dev = wacom->usbdev; |
e7224094 ON |
159 | |
160 | if (usb_autopm_get_interface(wacom->intf) < 0) { | |
161 | mutex_unlock(&wacom->lock); | |
3bea733a | 162 | return -EIO; |
e7224094 ON |
163 | } |
164 | ||
165 | if (usb_submit_urb(wacom->irq, GFP_KERNEL)) { | |
166 | usb_autopm_put_interface(wacom->intf); | |
167 | mutex_unlock(&wacom->lock); | |
168 | return -EIO; | |
169 | } | |
170 | ||
171 | wacom->open = 1; | |
172 | wacom->intf->needs_remote_wakeup = 1; | |
3bea733a | 173 | |
e7224094 | 174 | mutex_unlock(&wacom->lock); |
3bea733a PC |
175 | return 0; |
176 | } | |
177 | ||
178 | static void wacom_close(struct input_dev *dev) | |
179 | { | |
7791bdae | 180 | struct wacom *wacom = input_get_drvdata(dev); |
3bea733a | 181 | |
e7224094 | 182 | mutex_lock(&wacom->lock); |
3bea733a | 183 | usb_kill_urb(wacom->irq); |
e7224094 ON |
184 | wacom->open = 0; |
185 | wacom->intf->needs_remote_wakeup = 0; | |
186 | mutex_unlock(&wacom->lock); | |
3bea733a PC |
187 | } |
188 | ||
7ecfbfd3 PC |
189 | void input_dev_mo(struct input_dev *input_dev, struct wacom_wac *wacom_wac) |
190 | { | |
545f4e99 | 191 | input_dev->keybit[BIT_WORD(BTN_MISC)] |= BIT_MASK(BTN_1) | |
7b19ada2 | 192 | BIT_MASK(BTN_5); |
7ecfbfd3 PC |
193 | input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0); |
194 | } | |
195 | ||
3bea733a PC |
196 | void input_dev_g4(struct input_dev *input_dev, struct wacom_wac *wacom_wac) |
197 | { | |
7b19ada2 JS |
198 | input_dev->evbit[0] |= BIT_MASK(EV_MSC); |
199 | input_dev->mscbit[0] |= BIT_MASK(MSC_SERIAL); | |
200 | input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_TOOL_FINGER); | |
545f4e99 | 201 | input_dev->keybit[BIT_WORD(BTN_MISC)] |= BIT_MASK(BTN_0) | |
7b19ada2 | 202 | BIT_MASK(BTN_4); |
3bea733a PC |
203 | } |
204 | ||
205 | void input_dev_g(struct input_dev *input_dev, struct wacom_wac *wacom_wac) | |
206 | { | |
7b19ada2 JS |
207 | input_dev->evbit[0] |= BIT_MASK(EV_REL); |
208 | input_dev->relbit[0] |= BIT_MASK(REL_WHEEL); | |
545f4e99 | 209 | input_dev->keybit[BIT_WORD(BTN_MOUSE)] |= BIT_MASK(BTN_LEFT) | |
7b19ada2 JS |
210 | BIT_MASK(BTN_RIGHT) | BIT_MASK(BTN_MIDDLE); |
211 | input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_TOOL_RUBBER) | | |
212 | BIT_MASK(BTN_TOOL_MOUSE) | BIT_MASK(BTN_STYLUS2); | |
3bea733a PC |
213 | input_set_abs_params(input_dev, ABS_DISTANCE, 0, wacom_wac->features->distance_max, 0, 0); |
214 | } | |
215 | ||
8d32e3ae | 216 | void input_dev_i3s(struct input_dev *input_dev, struct wacom_wac *wacom_wac) |
3bea733a | 217 | { |
7b19ada2 | 218 | input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_TOOL_FINGER); |
545f4e99 | 219 | input_dev->keybit[BIT_WORD(BTN_MISC)] |= BIT_MASK(BTN_0) | |
7b19ada2 | 220 | BIT_MASK(BTN_1) | BIT_MASK(BTN_2) | BIT_MASK(BTN_3); |
071e0a2a | 221 | input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0); |
0e1763f5 | 222 | input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0); |
8d32e3ae PC |
223 | } |
224 | ||
225 | void input_dev_i3(struct input_dev *input_dev, struct wacom_wac *wacom_wac) | |
226 | { | |
545f4e99 | 227 | input_dev->keybit[BIT_WORD(BTN_MISC)] |= BIT_MASK(BTN_4) | |
7b19ada2 | 228 | BIT_MASK(BTN_5) | BIT_MASK(BTN_6) | BIT_MASK(BTN_7); |
071e0a2a | 229 | input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0); |
3bea733a PC |
230 | } |
231 | ||
0e1763f5 PC |
232 | void input_dev_bee(struct input_dev *input_dev, struct wacom_wac *wacom_wac) |
233 | { | |
545f4e99 | 234 | input_dev->keybit[BIT_WORD(BTN_MISC)] |= BIT_MASK(BTN_8) | BIT_MASK(BTN_9); |
0e1763f5 PC |
235 | } |
236 | ||
3bea733a PC |
237 | void input_dev_i(struct input_dev *input_dev, struct wacom_wac *wacom_wac) |
238 | { | |
7b19ada2 JS |
239 | input_dev->evbit[0] |= BIT_MASK(EV_MSC) | BIT_MASK(EV_REL); |
240 | input_dev->mscbit[0] |= BIT_MASK(MSC_SERIAL); | |
241 | input_dev->relbit[0] |= BIT_MASK(REL_WHEEL); | |
545f4e99 | 242 | input_dev->keybit[BIT_WORD(BTN_MOUSE)] |= BIT_MASK(BTN_LEFT) | |
7b19ada2 JS |
243 | BIT_MASK(BTN_RIGHT) | BIT_MASK(BTN_MIDDLE) | |
244 | BIT_MASK(BTN_SIDE) | BIT_MASK(BTN_EXTRA); | |
245 | input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_TOOL_RUBBER) | | |
246 | BIT_MASK(BTN_TOOL_MOUSE) | BIT_MASK(BTN_TOOL_BRUSH) | | |
247 | BIT_MASK(BTN_TOOL_PENCIL) | BIT_MASK(BTN_TOOL_AIRBRUSH) | | |
248 | BIT_MASK(BTN_TOOL_LENS) | BIT_MASK(BTN_STYLUS2); | |
3bea733a PC |
249 | input_set_abs_params(input_dev, ABS_DISTANCE, 0, wacom_wac->features->distance_max, 0, 0); |
250 | input_set_abs_params(input_dev, ABS_WHEEL, 0, 1023, 0, 0); | |
251 | input_set_abs_params(input_dev, ABS_TILT_X, 0, 127, 0, 0); | |
252 | input_set_abs_params(input_dev, ABS_TILT_Y, 0, 127, 0, 0); | |
253 | input_set_abs_params(input_dev, ABS_RZ, -900, 899, 0, 0); | |
254 | input_set_abs_params(input_dev, ABS_THROTTLE, -1023, 1023, 0, 0); | |
255 | } | |
256 | ||
257 | void input_dev_pl(struct input_dev *input_dev, struct wacom_wac *wacom_wac) | |
258 | { | |
545f4e99 | 259 | input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_STYLUS2); |
3bea733a PC |
260 | } |
261 | ||
262 | void input_dev_pt(struct input_dev *input_dev, struct wacom_wac *wacom_wac) | |
263 | { | |
7b19ada2 | 264 | input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_TOOL_RUBBER); |
3bea733a PC |
265 | } |
266 | ||
545f4e99 PC |
267 | static int wacom_parse_hid(struct usb_interface *intf, struct hid_descriptor *hid_desc, |
268 | struct wacom_wac *wacom_wac) | |
269 | { | |
270 | struct usb_device *dev = interface_to_usbdev(intf); | |
271 | struct wacom_features *features = wacom_wac->features; | |
272 | char limit = 0, result = 0; | |
273 | int i = 0, usage = WCM_UNDEFINED, finger = 0, pen = 0; | |
274 | unsigned char *report; | |
275 | ||
276 | report = kzalloc(hid_desc->wDescriptorLength, GFP_KERNEL); | |
277 | if (!report) | |
278 | return -ENOMEM; | |
279 | ||
280 | /* retrive report descriptors */ | |
281 | do { | |
282 | result = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), | |
283 | USB_REQ_GET_DESCRIPTOR, | |
284 | USB_RECIP_INTERFACE | USB_DIR_IN, | |
285 | HID_DEVICET_REPORT << 8, | |
286 | intf->altsetting[0].desc.bInterfaceNumber, /* interface */ | |
287 | report, | |
288 | hid_desc->wDescriptorLength, | |
289 | 5000); /* 5 secs */ | |
290 | } while (result < 0 && limit++ < 5); | |
291 | ||
292 | if (result < 0) | |
293 | goto out; | |
294 | ||
295 | for (i = 0; i < hid_desc->wDescriptorLength; i++) { | |
296 | ||
297 | switch (report[i]) { | |
298 | case HID_USAGE_PAGE: | |
299 | switch (report[i + 1]) { | |
300 | case HID_USAGE_PAGE_DIGITIZER: | |
301 | usage = WCM_DIGITIZER; | |
302 | i++; | |
303 | break; | |
304 | ||
305 | case HID_USAGE_PAGE_DESKTOP: | |
306 | usage = WCM_DESKTOP; | |
307 | i++; | |
308 | break; | |
309 | } | |
310 | break; | |
311 | ||
312 | case HID_USAGE: | |
313 | switch (report[i + 1]) { | |
314 | case HID_USAGE_X: | |
315 | if (usage == WCM_DESKTOP) { | |
316 | if (finger) { | |
317 | features->touch_x_max = | |
318 | features->touch_y_max = | |
319 | wacom_le16_to_cpu(&report[i + 3]); | |
320 | features->x_max = | |
321 | wacom_le16_to_cpu(&report[i + 6]); | |
322 | i += 7; | |
323 | } else if (pen) { | |
324 | features->x_max = | |
325 | wacom_le16_to_cpu(&report[i + 3]); | |
326 | i += 4; | |
327 | } | |
328 | } else if (usage == WCM_DIGITIZER) { | |
329 | /* max pressure isn't reported | |
330 | features->pressure_max = (unsigned short) | |
331 | (report[i+4] << 8 | report[i + 3]); | |
332 | */ | |
333 | features->pressure_max = 255; | |
334 | i += 4; | |
335 | } | |
336 | break; | |
337 | ||
338 | case HID_USAGE_Y: | |
339 | if (usage == WCM_DESKTOP) | |
340 | features->y_max = | |
341 | wacom_le16_to_cpu(&report[i + 3]); | |
342 | i += 4; | |
343 | break; | |
344 | ||
345 | case HID_USAGE_FINGER: | |
346 | finger = 1; | |
347 | i++; | |
348 | break; | |
349 | ||
350 | case HID_USAGE_STYLUS: | |
351 | pen = 1; | |
352 | i++; | |
353 | break; | |
354 | ||
355 | case HID_USAGE_UNDEFINED: | |
356 | if (usage == WCM_DESKTOP && finger) /* capacity */ | |
357 | features->pressure_max = | |
358 | wacom_le16_to_cpu(&report[i + 3]); | |
359 | i += 4; | |
360 | break; | |
361 | } | |
362 | break; | |
363 | ||
364 | case HID_COLLECTION: | |
365 | /* reset UsagePage ans Finger */ | |
366 | finger = usage = 0; | |
367 | break; | |
368 | } | |
369 | } | |
370 | ||
371 | result = 0; | |
372 | ||
373 | out: | |
374 | kfree(report); | |
375 | return result; | |
376 | } | |
377 | ||
3bea733a PC |
378 | static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *id) |
379 | { | |
380 | struct usb_device *dev = interface_to_usbdev(intf); | |
545f4e99 | 381 | struct usb_host_interface *interface = intf->cur_altsetting; |
3bea733a PC |
382 | struct usb_endpoint_descriptor *endpoint; |
383 | struct wacom *wacom; | |
384 | struct wacom_wac *wacom_wac; | |
545f4e99 | 385 | struct wacom_features *features; |
3bea733a | 386 | struct input_dev *input_dev; |
5014186d | 387 | int error = -ENOMEM; |
3bea733a | 388 | char rep_data[2], limit = 0; |
545f4e99 | 389 | struct hid_descriptor *hid_desc; |
3bea733a PC |
390 | |
391 | wacom = kzalloc(sizeof(struct wacom), GFP_KERNEL); | |
392 | wacom_wac = kzalloc(sizeof(struct wacom_wac), GFP_KERNEL); | |
393 | input_dev = input_allocate_device(); | |
394 | if (!wacom || !input_dev || !wacom_wac) | |
395 | goto fail1; | |
396 | ||
397 | wacom_wac->data = usb_buffer_alloc(dev, 10, GFP_KERNEL, &wacom->data_dma); | |
398 | if (!wacom_wac->data) | |
399 | goto fail1; | |
400 | ||
401 | wacom->irq = usb_alloc_urb(0, GFP_KERNEL); | |
402 | if (!wacom->irq) | |
403 | goto fail2; | |
404 | ||
405 | wacom->usbdev = dev; | |
406 | wacom->dev = input_dev; | |
e7224094 ON |
407 | wacom->intf = intf; |
408 | mutex_init(&wacom->lock); | |
3bea733a PC |
409 | usb_make_path(dev, wacom->phys, sizeof(wacom->phys)); |
410 | strlcat(wacom->phys, "/input0", sizeof(wacom->phys)); | |
411 | ||
545f4e99 PC |
412 | wacom_wac->features = features = get_wacom_feature(id); |
413 | BUG_ON(features->pktlen > 10); | |
3bea733a PC |
414 | |
415 | input_dev->name = wacom_wac->features->name; | |
416 | wacom->wacom_wac = wacom_wac; | |
417 | usb_to_input_id(dev, &input_dev->id); | |
418 | ||
c0f82d57 | 419 | input_dev->dev.parent = &intf->dev; |
7791bdae DT |
420 | |
421 | input_set_drvdata(input_dev, wacom); | |
422 | ||
3bea733a PC |
423 | input_dev->open = wacom_open; |
424 | input_dev->close = wacom_close; | |
425 | ||
545f4e99 PC |
426 | endpoint = &intf->cur_altsetting->endpoint[0].desc; |
427 | ||
428 | /* TabletPC need to retrieve the physical and logical maximum from report descriptor */ | |
429 | if (wacom_wac->features->type == TABLETPC) { | |
430 | if (usb_get_extra_descriptor(interface, HID_DEVICET_HID, &hid_desc)) { | |
431 | if (usb_get_extra_descriptor(&interface->endpoint[0], | |
432 | HID_DEVICET_REPORT, &hid_desc)) { | |
433 | printk("wacom: can not retrive extra class descriptor\n"); | |
434 | goto fail2; | |
435 | } | |
436 | } | |
437 | error = wacom_parse_hid(intf, hid_desc, wacom_wac); | |
438 | if (error) | |
439 | goto fail2; | |
440 | } | |
441 | ||
7b19ada2 JS |
442 | input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); |
443 | input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_TOOL_PEN) | | |
444 | BIT_MASK(BTN_TOUCH) | BIT_MASK(BTN_STYLUS); | |
545f4e99 PC |
445 | input_set_abs_params(input_dev, ABS_X, 0, features->x_max, 4, 0); |
446 | input_set_abs_params(input_dev, ABS_Y, 0, features->y_max, 4, 0); | |
447 | input_set_abs_params(input_dev, ABS_PRESSURE, 0, features->pressure_max, 0, 0); | |
448 | if (features->type == TABLETPC) { | |
449 | input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_TOOL_DOUBLETAP); | |
450 | input_set_abs_params(input_dev, ABS_RX, 0, features->touch_x_max, 4, 0); | |
451 | input_set_abs_params(input_dev, ABS_RY, 0, features->touch_y_max, 4, 0); | |
452 | } | |
7b19ada2 | 453 | input_dev->absbit[BIT_WORD(ABS_MISC)] |= BIT_MASK(ABS_MISC); |
3bea733a PC |
454 | |
455 | wacom_init_input_dev(input_dev, wacom_wac); | |
456 | ||
3bea733a PC |
457 | usb_fill_int_urb(wacom->irq, dev, |
458 | usb_rcvintpipe(dev, endpoint->bEndpointAddress), | |
459 | wacom_wac->data, wacom_wac->features->pktlen, | |
8d32e3ae | 460 | wacom_sys_irq, wacom, endpoint->bInterval); |
3bea733a PC |
461 | wacom->irq->transfer_dma = wacom->data_dma; |
462 | wacom->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; | |
463 | ||
5014186d DT |
464 | error = input_register_device(wacom->dev); |
465 | if (error) | |
466 | goto fail3; | |
3bea733a | 467 | |
545f4e99 PC |
468 | /* |
469 | * Ask the tablet to report tablet data if it is not a Tablet PC. | |
470 | * Repeat until it succeeds | |
471 | */ | |
472 | if (wacom_wac->features->type != TABLETPC) { | |
473 | do { | |
474 | rep_data[0] = 2; | |
475 | rep_data[1] = 2; | |
476 | error = usb_set_report(intf, WAC_HID_FEATURE_REPORT, | |
477 | 2, rep_data, 2); | |
478 | if (error >= 0) | |
479 | error = usb_get_report(intf, | |
480 | WAC_HID_FEATURE_REPORT, 2, | |
481 | rep_data, 2); | |
482 | } while ((error < 0 || rep_data[1] != 2) && limit++ < 5); | |
483 | } | |
3bea733a PC |
484 | |
485 | usb_set_intfdata(intf, wacom); | |
486 | return 0; | |
487 | ||
5014186d DT |
488 | fail3: usb_free_urb(wacom->irq); |
489 | fail2: usb_buffer_free(dev, 10, wacom_wac->data, wacom->data_dma); | |
490 | fail1: input_free_device(input_dev); | |
3bea733a PC |
491 | kfree(wacom); |
492 | kfree(wacom_wac); | |
5014186d | 493 | return error; |
3bea733a PC |
494 | } |
495 | ||
496 | static void wacom_disconnect(struct usb_interface *intf) | |
497 | { | |
e7224094 | 498 | struct wacom *wacom = usb_get_intfdata(intf); |
3bea733a PC |
499 | |
500 | usb_set_intfdata(intf, NULL); | |
e7224094 ON |
501 | |
502 | usb_kill_urb(wacom->irq); | |
503 | input_unregister_device(wacom->dev); | |
504 | usb_free_urb(wacom->irq); | |
545f4e99 PC |
505 | usb_buffer_free(interface_to_usbdev(intf), 10, |
506 | wacom->wacom_wac->data, wacom->data_dma); | |
e7224094 ON |
507 | kfree(wacom->wacom_wac); |
508 | kfree(wacom); | |
509 | } | |
510 | ||
511 | static int wacom_suspend(struct usb_interface *intf, pm_message_t message) | |
512 | { | |
513 | struct wacom *wacom = usb_get_intfdata(intf); | |
514 | ||
515 | mutex_lock(&wacom->lock); | |
516 | usb_kill_urb(wacom->irq); | |
517 | mutex_unlock(&wacom->lock); | |
518 | ||
519 | return 0; | |
520 | } | |
521 | ||
522 | static int wacom_resume(struct usb_interface *intf) | |
523 | { | |
524 | struct wacom *wacom = usb_get_intfdata(intf); | |
525 | int rv; | |
526 | ||
527 | mutex_lock(&wacom->lock); | |
528 | if (wacom->open) | |
529 | rv = usb_submit_urb(wacom->irq, GFP_NOIO); | |
530 | else | |
531 | rv = 0; | |
532 | mutex_unlock(&wacom->lock); | |
533 | ||
534 | return rv; | |
535 | } | |
536 | ||
537 | static int wacom_reset_resume(struct usb_interface *intf) | |
538 | { | |
539 | return wacom_resume(intf); | |
3bea733a PC |
540 | } |
541 | ||
542 | static struct usb_driver wacom_driver = { | |
543 | .name = "wacom", | |
544 | .probe = wacom_probe, | |
545 | .disconnect = wacom_disconnect, | |
e7224094 ON |
546 | .suspend = wacom_suspend, |
547 | .resume = wacom_resume, | |
548 | .reset_resume = wacom_reset_resume, | |
549 | .supports_autosuspend = 1, | |
3bea733a PC |
550 | }; |
551 | ||
552 | static int __init wacom_init(void) | |
553 | { | |
554 | int result; | |
555 | wacom_driver.id_table = get_device_table(); | |
556 | result = usb_register(&wacom_driver); | |
557 | if (result == 0) | |
899ef6e7 GKH |
558 | printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" |
559 | DRIVER_DESC "\n"); | |
3bea733a PC |
560 | return result; |
561 | } | |
562 | ||
563 | static void __exit wacom_exit(void) | |
564 | { | |
565 | usb_deregister(&wacom_driver); | |
566 | } | |
567 | ||
568 | module_init(wacom_init); | |
569 | module_exit(wacom_exit); |