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Linux-2.6.12-rc2
[linux-2.6/kvm.git] / drivers / usb / input / wacom.c
blobfec04dda088ea0edac8181912684337df12206a5
1 /*
2 * USB Wacom Graphire and Wacom Intuos tablet support
3 *
4 * Copyright (c) 2000-2004 Vojtech Pavlik <vojtech@ucw.cz>
5 * Copyright (c) 2000 Andreas Bach Aaen <abach@stofanet.dk>
6 * Copyright (c) 2000 Clifford Wolf <clifford@clifford.at>
7 * Copyright (c) 2000 Sam Mosel <sam.mosel@computer.org>
8 * Copyright (c) 2000 James E. Blair <corvus@gnu.org>
9 * Copyright (c) 2000 Daniel Egger <egger@suse.de>
10 * Copyright (c) 2001 Frederic Lepied <flepied@mandrakesoft.com>
11 * Copyright (c) 2004 Panagiotis Issaris <panagiotis.issaris@mech.kuleuven.ac.be>
12 * Copyright (c) 2002-2004 Ping Cheng <pingc@wacom.com>
13 *
14 * ChangeLog:
15 * v0.1 (vp) - Initial release
16 * v0.2 (aba) - Support for all buttons / combinations
17 * v0.3 (vp) - Support for Intuos added
18 * v0.4 (sm) - Support for more Intuos models, menustrip
19 * relative mode, proximity.
20 * v0.5 (vp) - Big cleanup, nifty features removed,
21 * they belong in userspace
22 * v1.8 (vp) - Submit URB only when operating, moved to CVS,
23 * use input_report_key instead of report_btn and
24 * other cleanups
25 * v1.11 (vp) - Add URB ->dev setting for new kernels
26 * v1.11 (jb) - Add support for the 4D Mouse & Lens
27 * v1.12 (de) - Add support for two more inking pen IDs
28 * v1.14 (vp) - Use new USB device id probing scheme.
29 * Fix Wacom Graphire mouse wheel
30 * v1.18 (vp) - Fix mouse wheel direction
31 * Make mouse relative
32 * v1.20 (fl) - Report tool id for Intuos devices
33 * - Multi tools support
34 * - Corrected Intuos protocol decoding (airbrush, 4D mouse, lens cursor...)
35 * - Add PL models support
36 * - Fix Wacom Graphire mouse wheel again
37 * v1.21 (vp) - Removed protocol descriptions
38 * - Added MISC_SERIAL for tool serial numbers
39 * (gb) - Identify version on module load.
40 * v1.21.1 (fl) - added Graphire2 support
41 * v1.21.2 (fl) - added Intuos2 support
42 * - added all the PL ids
43 * v1.21.3 (fl) - added another eraser id from Neil Okamoto
44 * - added smooth filter for Graphire from Peri Hankey
45 * - added PenPartner support from Olaf van Es
46 * - new tool ids from Ole Martin Bjoerndalen
47 * v1.29 (pc) - Add support for more tablets
48 * - Fix pressure reporting
49 * v1.30 (vp) - Merge 2.4 and 2.5 drivers
50 * - Since 2.5 now has input_sync(), remove MSC_SERIAL abuse
51 * - Cleanups here and there
52 * v1.30.1 (pi) - Added Graphire3 support
53 * v1.40 (pc) - Add support for several new devices, fix eraser reporting, ...
54 */
55
56 /*
57 * This program is free software; you can redistribute it and/or modify
58 * it under the terms of the GNU General Public License as published by
59 * the Free Software Foundation; either version 2 of the License, or
60 * (at your option) any later version.
61 */
62
63 #include <linux/kernel.h>
64 #include <linux/slab.h>
65 #include <linux/input.h>
66 #include <linux/module.h>
67 #include <linux/init.h>
68 #include <linux/usb.h>
69 #include <asm/unaligned.h>
70 #include <asm/byteorder.h>
71
72 /*
73 * Version Information
74 */
75 #define DRIVER_VERSION "v1.40"
76 #define DRIVER_AUTHOR "Vojtech Pavlik <vojtech@ucw.cz>"
77 #define DRIVER_DESC "USB Wacom Graphire and Wacom Intuos tablet driver"
78 #define DRIVER_LICENSE "GPL"
79
80 MODULE_AUTHOR(DRIVER_AUTHOR);
81 MODULE_DESCRIPTION(DRIVER_DESC);
82 MODULE_LICENSE(DRIVER_LICENSE);
83
84 #define USB_VENDOR_ID_WACOM 0x056a
85
86 struct wacom_features {
87 char *name;
88 int pktlen;
89 int x_max;
90 int y_max;
91 int pressure_max;
92 int distance_max;
93 int type;
94 usb_complete_t irq;
95 };
96
97 struct wacom {
98 signed char *data;
99 dma_addr_t data_dma;
100 struct input_dev dev;
101 struct usb_device *usbdev;
102 struct urb *irq;
103 struct wacom_features *features;
104 int tool[2];
105 int open;
106 __u32 serial[2];
107 char phys[32];
108 };
109
110 #define USB_REQ_SET_REPORT 0x09
111 static int usb_set_report(struct usb_interface *intf, unsigned char type,
112 unsigned char id, void *buf, int size)
113 {
114 return usb_control_msg(interface_to_usbdev(intf),
115 usb_sndctrlpipe(interface_to_usbdev(intf), 0),
116 USB_REQ_SET_REPORT, USB_TYPE_CLASS | USB_RECIP_INTERFACE,
117 (type << 8) + id, intf->altsetting[0].desc.bInterfaceNumber,
118 buf, size, 1000);
119 }
120
121 static void wacom_pl_irq(struct urb *urb, struct pt_regs *regs)
122 {
123 struct wacom *wacom = urb->context;
124 unsigned char *data = wacom->data;
125 struct input_dev *dev = &wacom->dev;
126 int prox, pressure;
127 int retval;
128
129 switch (urb->status) {
130 case 0:
131 /* success */
132 break;
133 case -ECONNRESET:
134 case -ENOENT:
135 case -ESHUTDOWN:
136 /* this urb is terminated, clean up */
137 dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status);
138 return;
139 default:
140 dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
141 goto exit;
142 }
143
144 if (data[0] != 2) {
145 dbg("wacom_pl_irq: received unknown report #%d", data[0]);
146 goto exit;
147 }
148
149 prox = data[1] & 0x40;
150
151 input_regs(dev, regs);
152
153 if (prox) {
154
155 pressure = (signed char)((data[7] << 1) | ((data[4] >> 2) & 1));
156 if (wacom->features->pressure_max > 255)
157 pressure = (pressure << 1) | ((data[4] >> 6) & 1);
158 pressure += (wacom->features->pressure_max + 1) / 2;
159
160 /*
161 * if going from out of proximity into proximity select between the eraser
162 * and the pen based on the state of the stylus2 button, choose eraser if
163 * pressed else choose pen. if not a proximity change from out to in, send
164 * an out of proximity for previous tool then a in for new tool.
165 */
166 if (!wacom->tool[0]) {
167 /* Going into proximity select tool */
168 wacom->tool[1] = (data[4] & 0x20)? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
169 }
170 else {
171 /* was entered with stylus2 pressed */
172 if (wacom->tool[1] == BTN_TOOL_RUBBER && !(data[4] & 0x20) ) {
173 /* report out proximity for previous tool */
174 input_report_key(dev, wacom->tool[1], 0);
175 input_sync(dev);
176 wacom->tool[1] = BTN_TOOL_PEN;
177 goto exit;
178 }
179 }
180 if (wacom->tool[1] != BTN_TOOL_RUBBER) {
181 /* Unknown tool selected default to pen tool */
182 wacom->tool[1] = BTN_TOOL_PEN;
183 }
184 input_report_key(dev, wacom->tool[1], prox); /* report in proximity for tool */
185 input_report_abs(dev, ABS_X, data[3] | ((__u32)data[2] << 7) | ((__u32)(data[1] & 0x03) << 14));
186 input_report_abs(dev, ABS_Y, data[6] | ((__u32)data[5] << 7) | ((__u32)(data[4] & 0x03) << 14));
187 input_report_abs(dev, ABS_PRESSURE, pressure);
188
189 input_report_key(dev, BTN_TOUCH, data[4] & 0x08);
190 input_report_key(dev, BTN_STYLUS, data[4] & 0x10);
191 /* Only allow the stylus2 button to be reported for the pen tool. */
192 input_report_key(dev, BTN_STYLUS2, (wacom->tool[1] == BTN_TOOL_PEN) && (data[4] & 0x20));
193 }
194 else {
195 /* report proximity-out of a (valid) tool */
196 if (wacom->tool[1] != BTN_TOOL_RUBBER) {
197 /* Unknown tool selected default to pen tool */
198 wacom->tool[1] = BTN_TOOL_PEN;
199 }
200 input_report_key(dev, wacom->tool[1], prox);
201 }
202
203 wacom->tool[0] = prox; /* Save proximity state */
204 input_sync(dev);
205
206 exit:
207 retval = usb_submit_urb (urb, GFP_ATOMIC);
208 if (retval)
209 err ("%s - usb_submit_urb failed with result %d",
210 __FUNCTION__, retval);
211 }
212
213 static void wacom_ptu_irq(struct urb *urb, struct pt_regs *regs)
214 {
215 struct wacom *wacom = urb->context;
216 unsigned char *data = wacom->data;
217 struct input_dev *dev = &wacom->dev;
218 int retval;
219
220 switch (urb->status) {
221 case 0:
222 /* success */
223 break;
224 case -ECONNRESET:
225 case -ENOENT:
226 case -ESHUTDOWN:
227 /* this urb is terminated, clean up */
228 dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status);
229 return;
230 default:
231 dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
232 goto exit;
233 }
234
235 if (data[0] != 2)
236 {
237 printk(KERN_INFO "wacom_ptu_irq: received unknown report #%d\n", data[0]);
238 goto exit;
239 }
240
241 input_regs(dev, regs);
242 if (data[1] & 0x04)
243 {
244 input_report_key(dev, BTN_TOOL_RUBBER, data[1] & 0x20);
245 input_report_key(dev, BTN_TOUCH, data[1] & 0x08);
246 }
247 else
248 {
249 input_report_key(dev, BTN_TOOL_PEN, data[1] & 0x20);
250 input_report_key(dev, BTN_TOUCH, data[1] & 0x01);
251 }
252 input_report_abs(dev, ABS_X, le16_to_cpu(*(__le16 *) &data[2]));
253 input_report_abs(dev, ABS_Y, le16_to_cpu(*(__le16 *) &data[4]));
254 input_report_abs(dev, ABS_PRESSURE, le16_to_cpu(*(__le16 *) &data[6]));
255 input_report_key(dev, BTN_STYLUS, data[1] & 0x02);
256 input_report_key(dev, BTN_STYLUS2, data[1] & 0x10);
257
258 input_sync(dev);
259
260 exit:
261 retval = usb_submit_urb (urb, GFP_ATOMIC);
262 if (retval)
263 err ("%s - usb_submit_urb failed with result %d",
264 __FUNCTION__, retval);
265 }
266
267 static void wacom_penpartner_irq(struct urb *urb, struct pt_regs *regs)
268 {
269 struct wacom *wacom = urb->context;
270 unsigned char *data = wacom->data;
271 struct input_dev *dev = &wacom->dev;
272 int retval;
273
274 switch (urb->status) {
275 case 0:
276 /* success */
277 break;
278 case -ECONNRESET:
279 case -ENOENT:
280 case -ESHUTDOWN:
281 /* this urb is terminated, clean up */
282 dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status);
283 return;
284 default:
285 dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
286 goto exit;
287 }
288
289 if (data[0] != 2) {
290 printk(KERN_INFO "wacom_penpartner_irq: received unknown report #%d\n", data[0]);
291 goto exit;
292 }
293
294 input_regs(dev, regs);
295 input_report_key(dev, BTN_TOOL_PEN, 1);
296 input_report_abs(dev, ABS_X, le16_to_cpu(*(__le16 *) &data[1]));
297 input_report_abs(dev, ABS_Y, le16_to_cpu(*(__le16 *) &data[3]));
298 input_report_abs(dev, ABS_PRESSURE, (signed char)data[6] + 127);
299 input_report_key(dev, BTN_TOUCH, ((signed char)data[6] > -80) && !(data[5] & 0x20));
300 input_report_key(dev, BTN_STYLUS, (data[5] & 0x40));
301 input_sync(dev);
302
303 exit:
304 retval = usb_submit_urb (urb, GFP_ATOMIC);
305 if (retval)
306 err ("%s - usb_submit_urb failed with result %d",
307 __FUNCTION__, retval);
308 }
309
310 static void wacom_graphire_irq(struct urb *urb, struct pt_regs *regs)
311 {
312 struct wacom *wacom = urb->context;
313 unsigned char *data = wacom->data;
314 struct input_dev *dev = &wacom->dev;
315 int x, y;
316 int retval;
317
318 switch (urb->status) {
319 case 0:
320 /* success */
321 break;
322 case -ECONNRESET:
323 case -ENOENT:
324 case -ESHUTDOWN:
325 /* this urb is terminated, clean up */
326 dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status);
327 return;
328 default:
329 dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
330 goto exit;
331 }
332
333 if (data[0] != 2) {
334 dbg("wacom_graphire_irq: received unknown report #%d", data[0]);
335 goto exit;
336 }
337
338 x = le16_to_cpu(*(__le16 *) &data[2]);
339 y = le16_to_cpu(*(__le16 *) &data[4]);
340
341 input_regs(dev, regs);
342
343 switch ((data[1] >> 5) & 3) {
344
345 case 0: /* Pen */
346 input_report_key(dev, BTN_TOOL_PEN, data[1] & 0x80);
347 break;
348
349 case 1: /* Rubber */
350 input_report_key(dev, BTN_TOOL_RUBBER, data[1] & 0x80);
351 break;
352
353 case 2: /* Mouse with wheel */
354 input_report_key(dev, BTN_MIDDLE, data[1] & 0x04);
355 input_report_rel(dev, REL_WHEEL, (signed char) data[6]);
356 /* fall through */
357
358 case 3: /* Mouse without wheel */
359 input_report_key(dev, BTN_TOOL_MOUSE, data[7] > 24);
360 input_report_key(dev, BTN_LEFT, data[1] & 0x01);
361 input_report_key(dev, BTN_RIGHT, data[1] & 0x02);
362 input_report_abs(dev, ABS_DISTANCE, data[7]);
363
364 input_report_abs(dev, ABS_X, x);
365 input_report_abs(dev, ABS_Y, y);
366
367 input_sync(dev);
368 goto exit;
369 }
370
371 if (data[1] & 0x80) {
372 input_report_abs(dev, ABS_X, x);
373 input_report_abs(dev, ABS_Y, y);
374 }
375
376 input_report_abs(dev, ABS_PRESSURE, le16_to_cpu(*(__le16 *) &data[6]));
377 input_report_key(dev, BTN_TOUCH, data[1] & 0x01);
378 input_report_key(dev, BTN_STYLUS, data[1] & 0x02);
379 input_report_key(dev, BTN_STYLUS2, data[1] & 0x04);
380
381 input_sync(dev);
382
383 exit:
384 retval = usb_submit_urb (urb, GFP_ATOMIC);
385 if (retval)
386 err ("%s - usb_submit_urb failed with result %d",
387 __FUNCTION__, retval);
388 }
389
390 static int wacom_intuos_inout(struct urb *urb)
391 {
392 struct wacom *wacom = urb->context;
393 unsigned char *data = wacom->data;
394 struct input_dev *dev = &wacom->dev;
395 int idx;
396
397 /* tool number */
398 idx = data[1] & 0x01;
399
400 /* Enter report */
401 if ((data[1] & 0xfc) == 0xc0)
402 {
403 /* serial number of the tool */
404 wacom->serial[idx] = ((__u32)(data[3] & 0x0f) << 28) +
405 ((__u32)data[4] << 20) + ((__u32)data[5] << 12) +
406 ((__u32)data[6] << 4) + (data[7] >> 4);
407
408 switch (((__u32)data[2] << 4) | (data[3] >> 4)) {
409 case 0x812: /* Inking pen */
410 case 0x801: /* Intuos3 Inking pen */
411 case 0x012:
412 wacom->tool[idx] = BTN_TOOL_PENCIL;
413 break;
414 case 0x822: /* Pen */
415 case 0x842:
416 case 0x852:
417 case 0x823: /* Intuos3 Grip Pen */
418 case 0x813: /* Intuos3 Classic Pen */
419 case 0x885: /* Intuos3 Marker Pen */
420 case 0x022:
421 wacom->tool[idx] = BTN_TOOL_PEN;
422 break;
423 case 0x832: /* Stroke pen */
424 case 0x032:
425 wacom->tool[idx] = BTN_TOOL_BRUSH;
426 break;
427 case 0x007: /* Mouse 4D and 2D */
428 case 0x09c:
429 case 0x094:
430 case 0x017: /* Intuos3 2D Mouse */
431 wacom->tool[idx] = BTN_TOOL_MOUSE;
432 break;
433 case 0x096: /* Lens cursor */
434 case 0x097: /* Intuos3 Lens cursor */
435 wacom->tool[idx] = BTN_TOOL_LENS;
436 break;
437 case 0x82a: /* Eraser */
438 case 0x85a:
439 case 0x91a:
440 case 0xd1a:
441 case 0x0fa:
442 case 0x82b: /* Intuos3 Grip Pen Eraser */
443 case 0x81b: /* Intuos3 Classic Pen Eraser */
444 case 0x91b: /* Intuos3 Airbrush Eraser */
445 wacom->tool[idx] = BTN_TOOL_RUBBER;
446 break;
447 case 0xd12:
448 case 0x912:
449 case 0x112:
450 case 0x913: /* Intuos3 Airbrush */
451 wacom->tool[idx] = BTN_TOOL_AIRBRUSH;
452 break; /* Airbrush */
453 default: /* Unknown tool */
454 wacom->tool[idx] = BTN_TOOL_PEN;
455 }
456 input_report_key(dev, wacom->tool[idx], 1);
457 input_event(dev, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
458 input_sync(dev);
459 return 1;
460 }
461
462 /* Exit report */
463 if ((data[1] & 0xfe) == 0x80) {
464 input_report_key(dev, wacom->tool[idx], 0);
465 input_event(dev, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
466 input_sync(dev);
467 return 1;
468 }
469
470 return 0;
471 }
472
473 static void wacom_intuos_general(struct urb *urb)
474 {
475 struct wacom *wacom = urb->context;
476 unsigned char *data = wacom->data;
477 struct input_dev *dev = &wacom->dev;
478 unsigned int t;
479
480 /* general pen packet */
481 if ((data[1] & 0xb8) == 0xa0)
482 {
483 t = ((__u32)data[6] << 2) | ((data[7] >> 6) & 3);
484 input_report_abs(dev, ABS_PRESSURE, t);
485 input_report_abs(dev, ABS_TILT_X,
486 ((data[7] << 1) & 0x7e) | (data[8] >> 7));
487 input_report_abs(dev, ABS_TILT_Y, data[8] & 0x7f);
488 input_report_key(dev, BTN_STYLUS, data[1] & 2);
489 input_report_key(dev, BTN_STYLUS2, data[1] & 4);
490 input_report_key(dev, BTN_TOUCH, t > 10);
491 }
492
493 /* airbrush second packet */
494 if ((data[1] & 0xbc) == 0xb4)
495 {
496 input_report_abs(dev, ABS_WHEEL,
497 ((__u32)data[6] << 2) | ((data[7] >> 6) & 3));
498 input_report_abs(dev, ABS_TILT_X,
499 ((data[7] << 1) & 0x7e) | (data[8] >> 7));
500 input_report_abs(dev, ABS_TILT_Y, data[8] & 0x7f);
501 }
502 return;
503 }
504
505 static void wacom_intuos_irq(struct urb *urb, struct pt_regs *regs)
506 {
507 struct wacom *wacom = urb->context;
508 unsigned char *data = wacom->data;
509 struct input_dev *dev = &wacom->dev;
510 unsigned int t;
511 int idx;
512 int retval;
513
514 switch (urb->status) {
515 case 0:
516 /* success */
517 break;
518 case -ECONNRESET:
519 case -ENOENT:
520 case -ESHUTDOWN:
521 /* this urb is terminated, clean up */
522 dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status);
523 return;
524 default:
525 dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
526 goto exit;
527 }
528
529 if (data[0] != 2 && data[0] != 5 && data[0] != 6) {
530 dbg("wacom_intuos_irq: received unknown report #%d", data[0]);
531 goto exit;
532 }
533
534 input_regs(dev, regs);
535
536 /* tool number */
537 idx = data[1] & 0x01;
538
539 /* process in/out prox events */
540 if (wacom_intuos_inout(urb)) goto exit;
541
542 input_report_abs(dev, ABS_X, be16_to_cpu(*(__be16 *) &data[2]));
543 input_report_abs(dev, ABS_Y, be16_to_cpu(*(__be16 *) &data[4]));
544 input_report_abs(dev, ABS_DISTANCE, data[9]);
545
546 /* process general packets */
547 wacom_intuos_general(urb);
548
549 if ((data[1] & 0xbc) == 0xa8 || (data[1] & 0xbe) == 0xb0) { /* 4D mouse or Lens cursor packets */
550
551 if (data[1] & 0x02) { /* Rotation packet */
552
553 t = ((__u32)data[6] << 3) | ((data[7] >> 5) & 7);
554 input_report_abs(dev, ABS_RZ, (data[7] & 0x20) ? ((t - 1) / 2) : -t / 2);
555
556 } else {
557
558 if ((data[1] & 0x10) == 0) { /* 4D mouse packets */
559
560 input_report_key(dev, BTN_LEFT, data[8] & 0x01);
561 input_report_key(dev, BTN_MIDDLE, data[8] & 0x02);
562 input_report_key(dev, BTN_RIGHT, data[8] & 0x04);
563
564 input_report_key(dev, BTN_SIDE, data[8] & 0x20);
565 input_report_key(dev, BTN_EXTRA, data[8] & 0x10);
566 t = ((__u32)data[6] << 2) | ((data[7] >> 6) & 3);
567 input_report_abs(dev, ABS_THROTTLE, (data[8] & 0x08) ? -t : t);
568
569 } else {
570 if (wacom->tool[idx] == BTN_TOOL_MOUSE) { /* 2D mouse packets */
571 input_report_key(dev, BTN_LEFT, data[8] & 0x04);
572 input_report_key(dev, BTN_MIDDLE, data[8] & 0x08);
573 input_report_key(dev, BTN_RIGHT, data[8] & 0x10);
574 input_report_rel(dev, REL_WHEEL,
575 (-(__u32)(data[8] & 0x01) + (__u32)((data[8] & 0x02) >> 1)));
576 }
577 else { /* Lens cursor packets */
578 input_report_key(dev, BTN_LEFT, data[8] & 0x01);
579 input_report_key(dev, BTN_MIDDLE, data[8] & 0x02);
580 input_report_key(dev, BTN_RIGHT, data[8] & 0x04);
581 input_report_key(dev, BTN_SIDE, data[8] & 0x10);
582 input_report_key(dev, BTN_EXTRA, data[8] & 0x08);
583 }
584 }
585 }
586 }
587
588 input_report_key(dev, wacom->tool[idx], 1);
589 input_event(dev, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
590 input_sync(dev);
591
592 exit:
593 retval = usb_submit_urb (urb, GFP_ATOMIC);
594 if (retval)
595 err ("%s - usb_submit_urb failed with result %d",
596 __FUNCTION__, retval);
597 }
598
599 static void wacom_intuos3_irq(struct urb *urb, struct pt_regs *regs)
600 {
601 struct wacom *wacom = urb->context;
602 unsigned char *data = wacom->data;
603 struct input_dev *dev = &wacom->dev;
604 unsigned int t;
605 int idx, retval;
606
607 switch (urb->status) {
608 case 0:
609 /* success */
610 break;
611 case -ECONNRESET:
612 case -ENOENT:
613 case -ESHUTDOWN:
614 /* this urb is terminated, clean up */
615 dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status);
616 return;
617 default:
618 dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
619 goto exit;
620 }
621
622 /* check for valid report */
623 if (data[0] != 2 && data[0] != 5 && data[0] != 12)
624 {
625 printk(KERN_INFO "wacom_intuos3_irq: received unknown report #%d\n", data[0]);
626 goto exit;
627 }
628
629 input_regs(dev, regs);
630
631 /* tool index is always 0 here since there is no dual input tool */
632 idx = data[1] & 0x01;
633
634 /* pad packets. Works as a second tool and is always in prox */
635 if (data[0] == 12)
636 {
637 /* initiate the pad as a device */
638 if (wacom->tool[1] != BTN_TOOL_FINGER)
639 {
640 wacom->tool[1] = BTN_TOOL_FINGER;
641 input_report_key(dev, wacom->tool[1], 1);
642 }
643 input_report_key(dev, BTN_0, (data[5] & 0x01));
644 input_report_key(dev, BTN_1, (data[5] & 0x02));
645 input_report_key(dev, BTN_2, (data[5] & 0x04));
646 input_report_key(dev, BTN_3, (data[5] & 0x08));
647 input_report_key(dev, BTN_4, (data[6] & 0x01));
648 input_report_key(dev, BTN_5, (data[6] & 0x02));
649 input_report_key(dev, BTN_6, (data[6] & 0x04));
650 input_report_key(dev, BTN_7, (data[6] & 0x08));
651 input_report_abs(dev, ABS_RX, ((data[1] & 0x1f) << 8) | data[2]);
652 input_report_abs(dev, ABS_RY, ((data[3] & 0x1f) << 8) | data[4]);
653 input_event(dev, EV_MSC, MSC_SERIAL, 0xffffffff);
654 input_sync(dev);
655 goto exit;
656 }
657
658 /* process in/out prox events */
659 if (wacom_intuos_inout(urb)) goto exit;
660
661 input_report_abs(dev, ABS_X, ((__u32)data[2] << 9) | ((__u32)data[3] << 1) | ((data[9] >> 1) & 1));
662 input_report_abs(dev, ABS_Y, ((__u32)data[4] << 9) | ((__u32)data[5] << 1) | (data[9] & 1));
663 input_report_abs(dev, ABS_DISTANCE, ((data[9] >> 2) & 0x3f));
664
665 /* process general packets */
666 wacom_intuos_general(urb);
667
668 if ((data[1] & 0xbc) == 0xa8 || (data[1] & 0xbe) == 0xb0)
669 {
670 /* Marker pen rotation packet. Reported as wheel due to valuator limitation */
671 if (data[1] & 0x02)
672 {
673 t = ((__u32)data[6] << 3) | ((data[7] >> 5) & 7);
674 t = (data[7] & 0x20) ? ((t > 900) ? ((t-1) / 2 - 1350) :
675 ((t-1) / 2 + 450)) : (450 - t / 2) ;
676 input_report_abs(dev, ABS_WHEEL, t);
677 }
678
679 /* 2D mouse packets */
680 if (wacom->tool[idx] == BTN_TOOL_MOUSE)
681 {
682 input_report_key(dev, BTN_LEFT, data[8] & 0x04);
683 input_report_key(dev, BTN_MIDDLE, data[8] & 0x08);
684 input_report_key(dev, BTN_RIGHT, data[8] & 0x10);
685 input_report_key(dev, BTN_SIDE, data[8] & 0x40);
686 input_report_key(dev, BTN_EXTRA, data[8] & 0x20);
687 /* mouse wheel is positive when rolled backwards */
688 input_report_rel(dev, REL_WHEEL, ((__u32)((data[8] & 0x02) >> 1)
689 - (__u32)(data[8] & 0x01)));
690 }
691 }
692
693 input_report_key(dev, wacom->tool[idx], 1);
694 input_event(dev, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
695 input_sync(dev);
696
697 exit:
698 retval = usb_submit_urb (urb, GFP_ATOMIC);
699 if (retval)
700 err ("%s - usb_submit_urb failed with result %d",
701 __FUNCTION__, retval);
702 }
703
704 static struct wacom_features wacom_features[] = {
705 { "Wacom Penpartner", 7, 5040, 3780, 255, 32, 0, wacom_penpartner_irq },
706 { "Wacom Graphire", 8, 10206, 7422, 511, 32, 1, wacom_graphire_irq },
707 { "Wacom Graphire2 4x5", 8, 10206, 7422, 511, 32, 1, wacom_graphire_irq },
708 { "Wacom Graphire2 5x7", 8, 13918, 10206, 511, 32, 1, wacom_graphire_irq },
709 { "Wacom Graphire3", 8, 10208, 7424, 511, 32, 1, wacom_graphire_irq },
710 { "Wacom Graphire3 6x8", 8, 16704, 12064, 511, 32, 1, wacom_graphire_irq },
711 { "Wacom Intuos 4x5", 10, 12700, 10600, 1023, 15, 2, wacom_intuos_irq },
712 { "Wacom Intuos 6x8", 10, 20320, 16240, 1023, 15, 2, wacom_intuos_irq },
713 { "Wacom Intuos 9x12", 10, 30480, 24060, 1023, 15, 2, wacom_intuos_irq },
714 { "Wacom Intuos 12x12", 10, 30480, 31680, 1023, 15, 2, wacom_intuos_irq },
715 { "Wacom Intuos 12x18", 10, 45720, 31680, 1023, 15, 2, wacom_intuos_irq },
716 { "Wacom PL400", 8, 5408, 4056, 255, 32, 3, wacom_pl_irq },
717 { "Wacom PL500", 8, 6144, 4608, 255, 32, 3, wacom_pl_irq },
718 { "Wacom PL600", 8, 6126, 4604, 255, 32, 3, wacom_pl_irq },
719 { "Wacom PL600SX", 8, 6260, 5016, 255, 32, 3, wacom_pl_irq },
720 { "Wacom PL550", 8, 6144, 4608, 511, 32, 3, wacom_pl_irq },
721 { "Wacom PL800", 8, 7220, 5780, 511, 32, 3, wacom_pl_irq },
722 { "Wacom Intuos2 4x5", 10, 12700, 10600, 1023, 15, 2, wacom_intuos_irq },
723 { "Wacom Intuos2 6x8", 10, 20320, 16240, 1023, 15, 2, wacom_intuos_irq },
724 { "Wacom Intuos2 9x12", 10, 30480, 24060, 1023, 15, 2, wacom_intuos_irq },
725 { "Wacom Intuos2 12x12", 10, 30480, 31680, 1023, 15, 2, wacom_intuos_irq },
726 { "Wacom Intuos2 12x18", 10, 45720, 31680, 1023, 15, 2, wacom_intuos_irq },
727 { "Wacom Volito", 8, 5104, 3712, 511, 32, 1, wacom_graphire_irq },
728 { "Wacom Cintiq Partner",8, 20480, 15360, 511, 32, 3, wacom_ptu_irq },
729 { "Wacom Intuos3 4x5", 10, 25400, 20320, 1023, 15, 4, wacom_intuos3_irq },
730 { "Wacom Intuos3 6x8", 10, 40640, 30480, 1023, 15, 4, wacom_intuos3_irq },
731 { "Wacom Intuos3 9x12", 10, 60960, 45720, 1023, 15, 4, wacom_intuos3_irq },
732 { "Wacom Intuos2 6x8", 10, 20320, 16240, 1023, 15, 2, wacom_intuos_irq },
733 { }
734 };
735
736 static struct usb_device_id wacom_ids[] = {
737 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x00) },
738 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x10) },
739 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x11) },
740 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x12) },
741 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x13) },
742 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x14) },
743 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x20) },
744 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x21) },
745 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x22) },
746 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x23) },
747 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x24) },
748 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x30) },
749 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x31) },
750 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x32) },
751 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x33) },
752 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x34) },
753 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x35) },
754 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x41) },
755 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x42) },
756 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x43) },
757 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x44) },
758 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x45) },
759 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x60) },
760 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x03) },
761 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB0) },
762 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB1) },
763 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB2) },
764 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x47) },
765 { }
766 };
767
768 MODULE_DEVICE_TABLE(usb, wacom_ids);
769
770 static int wacom_open(struct input_dev *dev)
771 {
772 struct wacom *wacom = dev->private;
773
774 if (wacom->open++)
775 return 0;
776
777 wacom->irq->dev = wacom->usbdev;
778 if (usb_submit_urb(wacom->irq, GFP_KERNEL)) {
779 wacom->open--;
780 return -EIO;
781 }
782
783 return 0;
784 }
785
786 static void wacom_close(struct input_dev *dev)
787 {
788 struct wacom *wacom = dev->private;
789
790 if (!--wacom->open)
791 usb_kill_urb(wacom->irq);
792 }
793
794 static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *id)
795 {
796 struct usb_device *dev = interface_to_usbdev(intf);
797 struct usb_endpoint_descriptor *endpoint;
798 char rep_data[2] = {0x02, 0x02};
799 struct wacom *wacom;
800 char path[64];
801
802 if (!(wacom = kmalloc(sizeof(struct wacom), GFP_KERNEL)))
803 return -ENOMEM;
804 memset(wacom, 0, sizeof(struct wacom));
805
806 wacom->data = usb_buffer_alloc(dev, 10, GFP_KERNEL, &wacom->data_dma);
807 if (!wacom->data) {
808 kfree(wacom);
809 return -ENOMEM;
810 }
811
812 wacom->irq = usb_alloc_urb(0, GFP_KERNEL);
813 if (!wacom->irq) {
814 usb_buffer_free(dev, 10, wacom->data, wacom->data_dma);
815 kfree(wacom);
816 return -ENOMEM;
817 }
818
819 wacom->features = wacom_features + (id - wacom_ids);
820
821 wacom->dev.evbit[0] |= BIT(EV_KEY) | BIT(EV_ABS);
822 wacom->dev.absbit[0] |= BIT(ABS_X) | BIT(ABS_Y) | BIT(ABS_PRESSURE);
823 wacom->dev.keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_PEN) | BIT(BTN_TOUCH) | BIT(BTN_STYLUS);
824
825 switch (wacom->features->type) {
826 case 1:
827 wacom->dev.evbit[0] |= BIT(EV_REL);
828 wacom->dev.relbit[0] |= BIT(REL_WHEEL);
829 wacom->dev.absbit[0] |= BIT(ABS_DISTANCE);
830 wacom->dev.keybit[LONG(BTN_LEFT)] |= BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE);
831 wacom->dev.keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_RUBBER) | BIT(BTN_TOOL_MOUSE) | BIT(BTN_STYLUS2);
832 break;
833
834 case 4: /* new functions for Intuos3 */
835 wacom->dev.keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_FINGER);
836 wacom->dev.keybit[LONG(BTN_LEFT)] |= BIT(BTN_0) | BIT(BTN_1) | BIT(BTN_2) | BIT(BTN_3) | BIT(BTN_4) | BIT(BTN_5) | BIT(BTN_6) | BIT(BTN_7);
837 wacom->dev.absbit[0] |= BIT(ABS_RX) | BIT(ABS_RY);
838 /* fall through */
839
840 case 2:
841 wacom->dev.evbit[0] |= BIT(EV_MSC) | BIT(EV_REL);
842 wacom->dev.mscbit[0] |= BIT(MSC_SERIAL);
843 wacom->dev.relbit[0] |= BIT(REL_WHEEL);
844 wacom->dev.keybit[LONG(BTN_LEFT)] |= BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE) | BIT(BTN_SIDE) | BIT(BTN_EXTRA);
845 wacom->dev.keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_RUBBER) | BIT(BTN_TOOL_MOUSE) | BIT(BTN_TOOL_BRUSH)
846 | BIT(BTN_TOOL_PENCIL) | BIT(BTN_TOOL_AIRBRUSH) | BIT(BTN_TOOL_LENS) | BIT(BTN_STYLUS2);
847 wacom->dev.absbit[0] |= BIT(ABS_DISTANCE) | BIT(ABS_WHEEL) | BIT(ABS_TILT_X) | BIT(ABS_TILT_Y) | BIT(ABS_RZ) | BIT(ABS_THROTTLE);
848 break;
849
850 case 3:
851 wacom->dev.keybit[LONG(BTN_DIGI)] |= BIT(BTN_STYLUS2) | BIT(BTN_TOOL_RUBBER);
852 break;
853 }
854
855 wacom->dev.absmax[ABS_X] = wacom->features->x_max;
856 wacom->dev.absmax[ABS_Y] = wacom->features->y_max;
857 wacom->dev.absmax[ABS_PRESSURE] = wacom->features->pressure_max;
858 wacom->dev.absmax[ABS_DISTANCE] = wacom->features->distance_max;
859 wacom->dev.absmax[ABS_TILT_X] = 127;
860 wacom->dev.absmax[ABS_TILT_Y] = 127;
861 wacom->dev.absmax[ABS_WHEEL] = 1023;
862
863 wacom->dev.absmax[ABS_RX] = 4097;
864 wacom->dev.absmax[ABS_RY] = 4097;
865 wacom->dev.absmin[ABS_RZ] = -900;
866 wacom->dev.absmax[ABS_RZ] = 899;
867 wacom->dev.absmin[ABS_THROTTLE] = -1023;
868 wacom->dev.absmax[ABS_THROTTLE] = 1023;
869
870 wacom->dev.absfuzz[ABS_X] = 4;
871 wacom->dev.absfuzz[ABS_Y] = 4;
872
873 wacom->dev.private = wacom;
874 wacom->dev.open = wacom_open;
875 wacom->dev.close = wacom_close;
876
877 usb_make_path(dev, path, 64);
878 sprintf(wacom->phys, "%s/input0", path);
879
880 wacom->dev.name = wacom->features->name;
881 wacom->dev.phys = wacom->phys;
882 wacom->dev.id.bustype = BUS_USB;
883 wacom->dev.id.vendor = le16_to_cpu(dev->descriptor.idVendor);
884 wacom->dev.id.product = le16_to_cpu(dev->descriptor.idProduct);
885 wacom->dev.id.version = le16_to_cpu(dev->descriptor.bcdDevice);
886 wacom->dev.dev = &intf->dev;
887 wacom->usbdev = dev;
888
889 endpoint = &intf->cur_altsetting->endpoint[0].desc;
890
891 if (wacom->features->pktlen > 10)
892 BUG();
893
894 usb_fill_int_urb(wacom->irq, dev,
895 usb_rcvintpipe(dev, endpoint->bEndpointAddress),
896 wacom->data, wacom->features->pktlen,
897 wacom->features->irq, wacom, endpoint->bInterval);
898 wacom->irq->transfer_dma = wacom->data_dma;
899 wacom->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
900
901 input_register_device(&wacom->dev);
902
903 /* ask the tablet to report tablet data */
904 usb_set_report(intf, 3, 2, rep_data, 2);
905 /* repeat once (not sure why the first call often fails) */
906 usb_set_report(intf, 3, 2, rep_data, 2);
907
908 printk(KERN_INFO "input: %s on %s\n", wacom->features->name, path);
909
910 usb_set_intfdata(intf, wacom);
911
912 return 0;
913 }
914
915 static void wacom_disconnect(struct usb_interface *intf)
916 {
917 struct wacom *wacom = usb_get_intfdata (intf);
918
919 usb_set_intfdata(intf, NULL);
920 if (wacom) {
921 usb_kill_urb(wacom->irq);
922 input_unregister_device(&wacom->dev);
923 usb_free_urb(wacom->irq);
924 usb_buffer_free(interface_to_usbdev(intf), 10, wacom->data, wacom->data_dma);
925 kfree(wacom);
926 }
927 }
928
929 static struct usb_driver wacom_driver = {
930 .owner = THIS_MODULE,
931 .name = "wacom",
932 .probe = wacom_probe,
933 .disconnect = wacom_disconnect,
934 .id_table = wacom_ids,
935 };
936
937 static int __init wacom_init(void)
938 {
939 int result = usb_register(&wacom_driver);
940 if (result == 0)
941 info(DRIVER_VERSION ":" DRIVER_DESC);
942 return result;
943 }
944
945 static void __exit wacom_exit(void)
946 {
947 usb_deregister(&wacom_driver);
948 }
949
950 module_init(wacom_init);
951 module_exit(wacom_exit);
kernel-based virtual machine