?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Input: remove user counters from drivers/usb/input since input
[linux-2.6/s3c2410-cpufreq.git] / drivers / usb / input / wacom.c
blobe37d31b57b23dd1ebf042fb1be59ec64e9b09d19
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 __u32 serial[2];
106 char phys[32];
107 };
108
109 #define USB_REQ_SET_REPORT 0x09
110 static int usb_set_report(struct usb_interface *intf, unsigned char type,
111 unsigned char id, void *buf, int size)
112 {
113 return usb_control_msg(interface_to_usbdev(intf),
114 usb_sndctrlpipe(interface_to_usbdev(intf), 0),
115 USB_REQ_SET_REPORT, USB_TYPE_CLASS | USB_RECIP_INTERFACE,
116 (type << 8) + id, intf->altsetting[0].desc.bInterfaceNumber,
117 buf, size, 1000);
118 }
119
120 static void wacom_pl_irq(struct urb *urb, struct pt_regs *regs)
121 {
122 struct wacom *wacom = urb->context;
123 unsigned char *data = wacom->data;
124 struct input_dev *dev = &wacom->dev;
125 int prox, pressure;
126 int retval;
127
128 switch (urb->status) {
129 case 0:
130 /* success */
131 break;
132 case -ECONNRESET:
133 case -ENOENT:
134 case -ESHUTDOWN:
135 /* this urb is terminated, clean up */
136 dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status);
137 return;
138 default:
139 dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
140 goto exit;
141 }
142
143 if (data[0] != 2) {
144 dbg("wacom_pl_irq: received unknown report #%d", data[0]);
145 goto exit;
146 }
147
148 prox = data[1] & 0x40;
149
150 input_regs(dev, regs);
151
152 if (prox) {
153
154 pressure = (signed char)((data[7] << 1) | ((data[4] >> 2) & 1));
155 if (wacom->features->pressure_max > 255)
156 pressure = (pressure << 1) | ((data[4] >> 6) & 1);
157 pressure += (wacom->features->pressure_max + 1) / 2;
158
159 /*
160 * if going from out of proximity into proximity select between the eraser
161 * and the pen based on the state of the stylus2 button, choose eraser if
162 * pressed else choose pen. if not a proximity change from out to in, send
163 * an out of proximity for previous tool then a in for new tool.
164 */
165 if (!wacom->tool[0]) {
166 /* Going into proximity select tool */
167 wacom->tool[1] = (data[4] & 0x20)? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
168 }
169 else {
170 /* was entered with stylus2 pressed */
171 if (wacom->tool[1] == BTN_TOOL_RUBBER && !(data[4] & 0x20) ) {
172 /* report out proximity for previous tool */
173 input_report_key(dev, wacom->tool[1], 0);
174 input_sync(dev);
175 wacom->tool[1] = BTN_TOOL_PEN;
176 goto exit;
177 }
178 }
179 if (wacom->tool[1] != BTN_TOOL_RUBBER) {
180 /* Unknown tool selected default to pen tool */
181 wacom->tool[1] = BTN_TOOL_PEN;
182 }
183 input_report_key(dev, wacom->tool[1], prox); /* report in proximity for tool */
184 input_report_abs(dev, ABS_X, data[3] | ((__u32)data[2] << 7) | ((__u32)(data[1] & 0x03) << 14));
185 input_report_abs(dev, ABS_Y, data[6] | ((__u32)data[5] << 7) | ((__u32)(data[4] & 0x03) << 14));
186 input_report_abs(dev, ABS_PRESSURE, pressure);
187
188 input_report_key(dev, BTN_TOUCH, data[4] & 0x08);
189 input_report_key(dev, BTN_STYLUS, data[4] & 0x10);
190 /* Only allow the stylus2 button to be reported for the pen tool. */
191 input_report_key(dev, BTN_STYLUS2, (wacom->tool[1] == BTN_TOOL_PEN) && (data[4] & 0x20));
192 }
193 else {
194 /* report proximity-out of a (valid) tool */
195 if (wacom->tool[1] != BTN_TOOL_RUBBER) {
196 /* Unknown tool selected default to pen tool */
197 wacom->tool[1] = BTN_TOOL_PEN;
198 }
199 input_report_key(dev, wacom->tool[1], prox);
200 }
201
202 wacom->tool[0] = prox; /* Save proximity state */
203 input_sync(dev);
204
205 exit:
206 retval = usb_submit_urb (urb, GFP_ATOMIC);
207 if (retval)
208 err ("%s - usb_submit_urb failed with result %d",
209 __FUNCTION__, retval);
210 }
211
212 static void wacom_ptu_irq(struct urb *urb, struct pt_regs *regs)
213 {
214 struct wacom *wacom = urb->context;
215 unsigned char *data = wacom->data;
216 struct input_dev *dev = &wacom->dev;
217 int retval;
218
219 switch (urb->status) {
220 case 0:
221 /* success */
222 break;
223 case -ECONNRESET:
224 case -ENOENT:
225 case -ESHUTDOWN:
226 /* this urb is terminated, clean up */
227 dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status);
228 return;
229 default:
230 dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
231 goto exit;
232 }
233
234 if (data[0] != 2)
235 {
236 printk(KERN_INFO "wacom_ptu_irq: received unknown report #%d\n", data[0]);
237 goto exit;
238 }
239
240 input_regs(dev, regs);
241 if (data[1] & 0x04)
242 {
243 input_report_key(dev, BTN_TOOL_RUBBER, data[1] & 0x20);
244 input_report_key(dev, BTN_TOUCH, data[1] & 0x08);
245 }
246 else
247 {
248 input_report_key(dev, BTN_TOOL_PEN, data[1] & 0x20);
249 input_report_key(dev, BTN_TOUCH, data[1] & 0x01);
250 }
251 input_report_abs(dev, ABS_X, le16_to_cpu(*(__le16 *) &data[2]));
252 input_report_abs(dev, ABS_Y, le16_to_cpu(*(__le16 *) &data[4]));
253 input_report_abs(dev, ABS_PRESSURE, le16_to_cpu(*(__le16 *) &data[6]));
254 input_report_key(dev, BTN_STYLUS, data[1] & 0x02);
255 input_report_key(dev, BTN_STYLUS2, data[1] & 0x10);
256
257 input_sync(dev);
258
259 exit:
260 retval = usb_submit_urb (urb, GFP_ATOMIC);
261 if (retval)
262 err ("%s - usb_submit_urb failed with result %d",
263 __FUNCTION__, retval);
264 }
265
266 static void wacom_penpartner_irq(struct urb *urb, struct pt_regs *regs)
267 {
268 struct wacom *wacom = urb->context;
269 unsigned char *data = wacom->data;
270 struct input_dev *dev = &wacom->dev;
271 int retval;
272
273 switch (urb->status) {
274 case 0:
275 /* success */
276 break;
277 case -ECONNRESET:
278 case -ENOENT:
279 case -ESHUTDOWN:
280 /* this urb is terminated, clean up */
281 dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status);
282 return;
283 default:
284 dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
285 goto exit;
286 }
287
288 if (data[0] != 2) {
289 printk(KERN_INFO "wacom_penpartner_irq: received unknown report #%d\n", data[0]);
290 goto exit;
291 }
292
293 input_regs(dev, regs);
294 input_report_key(dev, BTN_TOOL_PEN, 1);
295 input_report_abs(dev, ABS_X, le16_to_cpu(*(__le16 *) &data[1]));
296 input_report_abs(dev, ABS_Y, le16_to_cpu(*(__le16 *) &data[3]));
297 input_report_abs(dev, ABS_PRESSURE, (signed char)data[6] + 127);
298 input_report_key(dev, BTN_TOUCH, ((signed char)data[6] > -80) && !(data[5] & 0x20));
299 input_report_key(dev, BTN_STYLUS, (data[5] & 0x40));
300 input_sync(dev);
301
302 exit:
303 retval = usb_submit_urb (urb, GFP_ATOMIC);
304 if (retval)
305 err ("%s - usb_submit_urb failed with result %d",
306 __FUNCTION__, retval);
307 }
308
309 static void wacom_graphire_irq(struct urb *urb, struct pt_regs *regs)
310 {
311 struct wacom *wacom = urb->context;
312 unsigned char *data = wacom->data;
313 struct input_dev *dev = &wacom->dev;
314 int x, y;
315 int retval;
316
317 switch (urb->status) {
318 case 0:
319 /* success */
320 break;
321 case -ECONNRESET:
322 case -ENOENT:
323 case -ESHUTDOWN:
324 /* this urb is terminated, clean up */
325 dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status);
326 return;
327 default:
328 dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
329 goto exit;
330 }
331
332 if (data[0] != 2) {
333 dbg("wacom_graphire_irq: received unknown report #%d", data[0]);
334 goto exit;
335 }
336
337 x = le16_to_cpu(*(__le16 *) &data[2]);
338 y = le16_to_cpu(*(__le16 *) &data[4]);
339
340 input_regs(dev, regs);
341
342 switch ((data[1] >> 5) & 3) {
343
344 case 0: /* Pen */
345 input_report_key(dev, BTN_TOOL_PEN, data[1] & 0x80);
346 break;
347
348 case 1: /* Rubber */
349 input_report_key(dev, BTN_TOOL_RUBBER, data[1] & 0x80);
350 break;
351
352 case 2: /* Mouse with wheel */
353 input_report_key(dev, BTN_MIDDLE, data[1] & 0x04);
354 input_report_rel(dev, REL_WHEEL, (signed char) data[6]);
355 /* fall through */
356
357 case 3: /* Mouse without wheel */
358 input_report_key(dev, BTN_TOOL_MOUSE, data[7] > 24);
359 input_report_key(dev, BTN_LEFT, data[1] & 0x01);
360 input_report_key(dev, BTN_RIGHT, data[1] & 0x02);
361 input_report_abs(dev, ABS_DISTANCE, data[7]);
362
363 input_report_abs(dev, ABS_X, x);
364 input_report_abs(dev, ABS_Y, y);
365
366 input_sync(dev);
367 goto exit;
368 }
369
370 if (data[1] & 0x80) {
371 input_report_abs(dev, ABS_X, x);
372 input_report_abs(dev, ABS_Y, y);
373 }
374
375 input_report_abs(dev, ABS_PRESSURE, le16_to_cpu(*(__le16 *) &data[6]));
376 input_report_key(dev, BTN_TOUCH, data[1] & 0x01);
377 input_report_key(dev, BTN_STYLUS, data[1] & 0x02);
378 input_report_key(dev, BTN_STYLUS2, data[1] & 0x04);
379
380 input_sync(dev);
381
382 exit:
383 retval = usb_submit_urb (urb, GFP_ATOMIC);
384 if (retval)
385 err ("%s - usb_submit_urb failed with result %d",
386 __FUNCTION__, retval);
387 }
388
389 static int wacom_intuos_inout(struct urb *urb)
390 {
391 struct wacom *wacom = urb->context;
392 unsigned char *data = wacom->data;
393 struct input_dev *dev = &wacom->dev;
394 int idx;
395
396 /* tool number */
397 idx = data[1] & 0x01;
398
399 /* Enter report */
400 if ((data[1] & 0xfc) == 0xc0)
401 {
402 /* serial number of the tool */
403 wacom->serial[idx] = ((__u32)(data[3] & 0x0f) << 28) +
404 ((__u32)data[4] << 20) + ((__u32)data[5] << 12) +
405 ((__u32)data[6] << 4) + (data[7] >> 4);
406
407 switch (((__u32)data[2] << 4) | (data[3] >> 4)) {
408 case 0x812: /* Inking pen */
409 case 0x801: /* Intuos3 Inking pen */
410 case 0x012:
411 wacom->tool[idx] = BTN_TOOL_PENCIL;
412 break;
413 case 0x822: /* Pen */
414 case 0x842:
415 case 0x852:
416 case 0x823: /* Intuos3 Grip Pen */
417 case 0x813: /* Intuos3 Classic Pen */
418 case 0x885: /* Intuos3 Marker Pen */
419 case 0x022:
420 wacom->tool[idx] = BTN_TOOL_PEN;
421 break;
422 case 0x832: /* Stroke pen */
423 case 0x032:
424 wacom->tool[idx] = BTN_TOOL_BRUSH;
425 break;
426 case 0x007: /* Mouse 4D and 2D */
427 case 0x09c:
428 case 0x094:
429 case 0x017: /* Intuos3 2D Mouse */
430 wacom->tool[idx] = BTN_TOOL_MOUSE;
431 break;
432 case 0x096: /* Lens cursor */
433 case 0x097: /* Intuos3 Lens cursor */
434 wacom->tool[idx] = BTN_TOOL_LENS;
435 break;
436 case 0x82a: /* Eraser */
437 case 0x85a:
438 case 0x91a:
439 case 0xd1a:
440 case 0x0fa:
441 case 0x82b: /* Intuos3 Grip Pen Eraser */
442 case 0x81b: /* Intuos3 Classic Pen Eraser */
443 case 0x91b: /* Intuos3 Airbrush Eraser */
444 wacom->tool[idx] = BTN_TOOL_RUBBER;
445 break;
446 case 0xd12:
447 case 0x912:
448 case 0x112:
449 case 0x913: /* Intuos3 Airbrush */
450 wacom->tool[idx] = BTN_TOOL_AIRBRUSH;
451 break; /* Airbrush */
452 default: /* Unknown tool */
453 wacom->tool[idx] = BTN_TOOL_PEN;
454 }
455 input_report_key(dev, wacom->tool[idx], 1);
456 input_event(dev, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
457 input_sync(dev);
458 return 1;
459 }
460
461 /* Exit report */
462 if ((data[1] & 0xfe) == 0x80) {
463 input_report_key(dev, wacom->tool[idx], 0);
464 input_event(dev, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
465 input_sync(dev);
466 return 1;
467 }
468
469 return 0;
470 }
471
472 static void wacom_intuos_general(struct urb *urb)
473 {
474 struct wacom *wacom = urb->context;
475 unsigned char *data = wacom->data;
476 struct input_dev *dev = &wacom->dev;
477 unsigned int t;
478
479 /* general pen packet */
480 if ((data[1] & 0xb8) == 0xa0)
481 {
482 t = ((__u32)data[6] << 2) | ((data[7] >> 6) & 3);
483 input_report_abs(dev, ABS_PRESSURE, t);
484 input_report_abs(dev, ABS_TILT_X,
485 ((data[7] << 1) & 0x7e) | (data[8] >> 7));
486 input_report_abs(dev, ABS_TILT_Y, data[8] & 0x7f);
487 input_report_key(dev, BTN_STYLUS, data[1] & 2);
488 input_report_key(dev, BTN_STYLUS2, data[1] & 4);
489 input_report_key(dev, BTN_TOUCH, t > 10);
490 }
491
492 /* airbrush second packet */
493 if ((data[1] & 0xbc) == 0xb4)
494 {
495 input_report_abs(dev, ABS_WHEEL,
496 ((__u32)data[6] << 2) | ((data[7] >> 6) & 3));
497 input_report_abs(dev, ABS_TILT_X,
498 ((data[7] << 1) & 0x7e) | (data[8] >> 7));
499 input_report_abs(dev, ABS_TILT_Y, data[8] & 0x7f);
500 }
501 return;
502 }
503
504 static void wacom_intuos_irq(struct urb *urb, struct pt_regs *regs)
505 {
506 struct wacom *wacom = urb->context;
507 unsigned char *data = wacom->data;
508 struct input_dev *dev = &wacom->dev;
509 unsigned int t;
510 int idx;
511 int retval;
512
513 switch (urb->status) {
514 case 0:
515 /* success */
516 break;
517 case -ECONNRESET:
518 case -ENOENT:
519 case -ESHUTDOWN:
520 /* this urb is terminated, clean up */
521 dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status);
522 return;
523 default:
524 dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
525 goto exit;
526 }
527
528 if (data[0] != 2 && data[0] != 5 && data[0] != 6) {
529 dbg("wacom_intuos_irq: received unknown report #%d", data[0]);
530 goto exit;
531 }
532
533 input_regs(dev, regs);
534
535 /* tool number */
536 idx = data[1] & 0x01;
537
538 /* process in/out prox events */
539 if (wacom_intuos_inout(urb)) goto exit;
540
541 input_report_abs(dev, ABS_X, be16_to_cpu(*(__be16 *) &data[2]));
542 input_report_abs(dev, ABS_Y, be16_to_cpu(*(__be16 *) &data[4]));
543 input_report_abs(dev, ABS_DISTANCE, data[9]);
544
545 /* process general packets */
546 wacom_intuos_general(urb);
547
548 if ((data[1] & 0xbc) == 0xa8 || (data[1] & 0xbe) == 0xb0) { /* 4D mouse or Lens cursor packets */
549
550 if (data[1] & 0x02) { /* Rotation packet */
551
552 t = ((__u32)data[6] << 3) | ((data[7] >> 5) & 7);
553 input_report_abs(dev, ABS_RZ, (data[7] & 0x20) ? ((t - 1) / 2) : -t / 2);
554
555 } else {
556
557 if ((data[1] & 0x10) == 0) { /* 4D mouse packets */
558
559 input_report_key(dev, BTN_LEFT, data[8] & 0x01);
560 input_report_key(dev, BTN_MIDDLE, data[8] & 0x02);
561 input_report_key(dev, BTN_RIGHT, data[8] & 0x04);
562
563 input_report_key(dev, BTN_SIDE, data[8] & 0x20);
564 input_report_key(dev, BTN_EXTRA, data[8] & 0x10);
565 t = ((__u32)data[6] << 2) | ((data[7] >> 6) & 3);
566 input_report_abs(dev, ABS_THROTTLE, (data[8] & 0x08) ? -t : t);
567
568 } else {
569 if (wacom->tool[idx] == BTN_TOOL_MOUSE) { /* 2D mouse packets */
570 input_report_key(dev, BTN_LEFT, data[8] & 0x04);
571 input_report_key(dev, BTN_MIDDLE, data[8] & 0x08);
572 input_report_key(dev, BTN_RIGHT, data[8] & 0x10);
573 input_report_rel(dev, REL_WHEEL,
574 (-(__u32)(data[8] & 0x01) + (__u32)((data[8] & 0x02) >> 1)));
575 }
576 else { /* Lens cursor packets */
577 input_report_key(dev, BTN_LEFT, data[8] & 0x01);
578 input_report_key(dev, BTN_MIDDLE, data[8] & 0x02);
579 input_report_key(dev, BTN_RIGHT, data[8] & 0x04);
580 input_report_key(dev, BTN_SIDE, data[8] & 0x10);
581 input_report_key(dev, BTN_EXTRA, data[8] & 0x08);
582 }
583 }
584 }
585 }
586
587 input_report_key(dev, wacom->tool[idx], 1);
588 input_event(dev, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
589 input_sync(dev);
590
591 exit:
592 retval = usb_submit_urb (urb, GFP_ATOMIC);
593 if (retval)
594 err ("%s - usb_submit_urb failed with result %d",
595 __FUNCTION__, retval);
596 }
597
598 static void wacom_intuos3_irq(struct urb *urb, struct pt_regs *regs)
599 {
600 struct wacom *wacom = urb->context;
601 unsigned char *data = wacom->data;
602 struct input_dev *dev = &wacom->dev;
603 unsigned int t;
604 int idx, retval;
605
606 switch (urb->status) {
607 case 0:
608 /* success */
609 break;
610 case -ECONNRESET:
611 case -ENOENT:
612 case -ESHUTDOWN:
613 /* this urb is terminated, clean up */
614 dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status);
615 return;
616 default:
617 dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
618 goto exit;
619 }
620
621 /* check for valid report */
622 if (data[0] != 2 && data[0] != 5 && data[0] != 12)
623 {
624 printk(KERN_INFO "wacom_intuos3_irq: received unknown report #%d\n", data[0]);
625 goto exit;
626 }
627
628 input_regs(dev, regs);
629
630 /* tool index is always 0 here since there is no dual input tool */
631 idx = data[1] & 0x01;
632
633 /* pad packets. Works as a second tool and is always in prox */
634 if (data[0] == 12)
635 {
636 /* initiate the pad as a device */
637 if (wacom->tool[1] != BTN_TOOL_FINGER)
638 {
639 wacom->tool[1] = BTN_TOOL_FINGER;
640 input_report_key(dev, wacom->tool[1], 1);
641 }
642 input_report_key(dev, BTN_0, (data[5] & 0x01));
643 input_report_key(dev, BTN_1, (data[5] & 0x02));
644 input_report_key(dev, BTN_2, (data[5] & 0x04));
645 input_report_key(dev, BTN_3, (data[5] & 0x08));
646 input_report_key(dev, BTN_4, (data[6] & 0x01));
647 input_report_key(dev, BTN_5, (data[6] & 0x02));
648 input_report_key(dev, BTN_6, (data[6] & 0x04));
649 input_report_key(dev, BTN_7, (data[6] & 0x08));
650 input_report_abs(dev, ABS_RX, ((data[1] & 0x1f) << 8) | data[2]);
651 input_report_abs(dev, ABS_RY, ((data[3] & 0x1f) << 8) | data[4]);
652 input_event(dev, EV_MSC, MSC_SERIAL, 0xffffffff);
653 input_sync(dev);
654 goto exit;
655 }
656
657 /* process in/out prox events */
658 if (wacom_intuos_inout(urb)) goto exit;
659
660 input_report_abs(dev, ABS_X, ((__u32)data[2] << 9) | ((__u32)data[3] << 1) | ((data[9] >> 1) & 1));
661 input_report_abs(dev, ABS_Y, ((__u32)data[4] << 9) | ((__u32)data[5] << 1) | (data[9] & 1));
662 input_report_abs(dev, ABS_DISTANCE, ((data[9] >> 2) & 0x3f));
663
664 /* process general packets */
665 wacom_intuos_general(urb);
666
667 if ((data[1] & 0xbc) == 0xa8 || (data[1] & 0xbe) == 0xb0)
668 {
669 /* Marker pen rotation packet. Reported as wheel due to valuator limitation */
670 if (data[1] & 0x02)
671 {
672 t = ((__u32)data[6] << 3) | ((data[7] >> 5) & 7);
673 t = (data[7] & 0x20) ? ((t > 900) ? ((t-1) / 2 - 1350) :
674 ((t-1) / 2 + 450)) : (450 - t / 2) ;
675 input_report_abs(dev, ABS_WHEEL, t);
676 }
677
678 /* 2D mouse packets */
679 if (wacom->tool[idx] == BTN_TOOL_MOUSE)
680 {
681 input_report_key(dev, BTN_LEFT, data[8] & 0x04);
682 input_report_key(dev, BTN_MIDDLE, data[8] & 0x08);
683 input_report_key(dev, BTN_RIGHT, data[8] & 0x10);
684 input_report_key(dev, BTN_SIDE, data[8] & 0x40);
685 input_report_key(dev, BTN_EXTRA, data[8] & 0x20);
686 /* mouse wheel is positive when rolled backwards */
687 input_report_rel(dev, REL_WHEEL, ((__u32)((data[8] & 0x02) >> 1)
688 - (__u32)(data[8] & 0x01)));
689 }
690 }
691
692 input_report_key(dev, wacom->tool[idx], 1);
693 input_event(dev, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
694 input_sync(dev);
695
696 exit:
697 retval = usb_submit_urb (urb, GFP_ATOMIC);
698 if (retval)
699 err ("%s - usb_submit_urb failed with result %d",
700 __FUNCTION__, retval);
701 }
702
703 static struct wacom_features wacom_features[] = {
704 { "Wacom Penpartner", 7, 5040, 3780, 255, 32, 0, wacom_penpartner_irq },
705 { "Wacom Graphire", 8, 10206, 7422, 511, 32, 1, wacom_graphire_irq },
706 { "Wacom Graphire2 4x5", 8, 10206, 7422, 511, 32, 1, wacom_graphire_irq },
707 { "Wacom Graphire2 5x7", 8, 13918, 10206, 511, 32, 1, wacom_graphire_irq },
708 { "Wacom Graphire3", 8, 10208, 7424, 511, 32, 1, wacom_graphire_irq },
709 { "Wacom Graphire3 6x8", 8, 16704, 12064, 511, 32, 1, wacom_graphire_irq },
710 { "Wacom Intuos 4x5", 10, 12700, 10600, 1023, 15, 2, wacom_intuos_irq },
711 { "Wacom Intuos 6x8", 10, 20320, 16240, 1023, 15, 2, wacom_intuos_irq },
712 { "Wacom Intuos 9x12", 10, 30480, 24060, 1023, 15, 2, wacom_intuos_irq },
713 { "Wacom Intuos 12x12", 10, 30480, 31680, 1023, 15, 2, wacom_intuos_irq },
714 { "Wacom Intuos 12x18", 10, 45720, 31680, 1023, 15, 2, wacom_intuos_irq },
715 { "Wacom PL400", 8, 5408, 4056, 255, 32, 3, wacom_pl_irq },
716 { "Wacom PL500", 8, 6144, 4608, 255, 32, 3, wacom_pl_irq },
717 { "Wacom PL600", 8, 6126, 4604, 255, 32, 3, wacom_pl_irq },
718 { "Wacom PL600SX", 8, 6260, 5016, 255, 32, 3, wacom_pl_irq },
719 { "Wacom PL550", 8, 6144, 4608, 511, 32, 3, wacom_pl_irq },
720 { "Wacom PL800", 8, 7220, 5780, 511, 32, 3, wacom_pl_irq },
721 { "Wacom Intuos2 4x5", 10, 12700, 10600, 1023, 15, 2, wacom_intuos_irq },
722 { "Wacom Intuos2 6x8", 10, 20320, 16240, 1023, 15, 2, wacom_intuos_irq },
723 { "Wacom Intuos2 9x12", 10, 30480, 24060, 1023, 15, 2, wacom_intuos_irq },
724 { "Wacom Intuos2 12x12", 10, 30480, 31680, 1023, 15, 2, wacom_intuos_irq },
725 { "Wacom Intuos2 12x18", 10, 45720, 31680, 1023, 15, 2, wacom_intuos_irq },
726 { "Wacom Volito", 8, 5104, 3712, 511, 32, 1, wacom_graphire_irq },
727 { "Wacom Cintiq Partner",8, 20480, 15360, 511, 32, 3, wacom_ptu_irq },
728 { "Wacom Intuos3 4x5", 10, 25400, 20320, 1023, 15, 4, wacom_intuos3_irq },
729 { "Wacom Intuos3 6x8", 10, 40640, 30480, 1023, 15, 4, wacom_intuos3_irq },
730 { "Wacom Intuos3 9x12", 10, 60960, 45720, 1023, 15, 4, wacom_intuos3_irq },
731 { "Wacom Intuos2 6x8", 10, 20320, 16240, 1023, 15, 2, wacom_intuos_irq },
732 { }
733 };
734
735 static struct usb_device_id wacom_ids[] = {
736 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x00) },
737 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x10) },
738 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x11) },
739 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x12) },
740 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x13) },
741 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x14) },
742 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x20) },
743 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x21) },
744 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x22) },
745 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x23) },
746 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x24) },
747 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x30) },
748 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x31) },
749 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x32) },
750 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x33) },
751 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x34) },
752 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x35) },
753 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x41) },
754 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x42) },
755 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x43) },
756 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x44) },
757 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x45) },
758 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x60) },
759 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x03) },
760 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB0) },
761 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB1) },
762 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB2) },
763 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x47) },
764 { }
765 };
766
767 MODULE_DEVICE_TABLE(usb, wacom_ids);
768
769 static int wacom_open(struct input_dev *dev)
770 {
771 struct wacom *wacom = dev->private;
772
773 wacom->irq->dev = wacom->usbdev;
774 if (usb_submit_urb(wacom->irq, GFP_KERNEL))
775 return -EIO;
776
777 return 0;
778 }
779
780 static void wacom_close(struct input_dev *dev)
781 {
782 struct wacom *wacom = dev->private;
783
784 usb_kill_urb(wacom->irq);
785 }
786
787 static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *id)
788 {
789 struct usb_device *dev = interface_to_usbdev(intf);
790 struct usb_endpoint_descriptor *endpoint;
791 char rep_data[2] = {0x02, 0x02};
792 struct wacom *wacom;
793 char path[64];
794
795 if (!(wacom = kmalloc(sizeof(struct wacom), GFP_KERNEL)))
796 return -ENOMEM;
797 memset(wacom, 0, sizeof(struct wacom));
798
799 wacom->data = usb_buffer_alloc(dev, 10, GFP_KERNEL, &wacom->data_dma);
800 if (!wacom->data) {
801 kfree(wacom);
802 return -ENOMEM;
803 }
804
805 wacom->irq = usb_alloc_urb(0, GFP_KERNEL);
806 if (!wacom->irq) {
807 usb_buffer_free(dev, 10, wacom->data, wacom->data_dma);
808 kfree(wacom);
809 return -ENOMEM;
810 }
811
812 wacom->features = wacom_features + (id - wacom_ids);
813
814 wacom->dev.evbit[0] |= BIT(EV_KEY) | BIT(EV_ABS);
815 wacom->dev.absbit[0] |= BIT(ABS_X) | BIT(ABS_Y) | BIT(ABS_PRESSURE);
816 wacom->dev.keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_PEN) | BIT(BTN_TOUCH) | BIT(BTN_STYLUS);
817
818 switch (wacom->features->type) {
819 case 1:
820 wacom->dev.evbit[0] |= BIT(EV_REL);
821 wacom->dev.relbit[0] |= BIT(REL_WHEEL);
822 wacom->dev.absbit[0] |= BIT(ABS_DISTANCE);
823 wacom->dev.keybit[LONG(BTN_LEFT)] |= BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE);
824 wacom->dev.keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_RUBBER) | BIT(BTN_TOOL_MOUSE) | BIT(BTN_STYLUS2);
825 break;
826
827 case 4: /* new functions for Intuos3 */
828 wacom->dev.keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_FINGER);
829 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);
830 wacom->dev.absbit[0] |= BIT(ABS_RX) | BIT(ABS_RY);
831 /* fall through */
832
833 case 2:
834 wacom->dev.evbit[0] |= BIT(EV_MSC) | BIT(EV_REL);
835 wacom->dev.mscbit[0] |= BIT(MSC_SERIAL);
836 wacom->dev.relbit[0] |= BIT(REL_WHEEL);
837 wacom->dev.keybit[LONG(BTN_LEFT)] |= BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE) | BIT(BTN_SIDE) | BIT(BTN_EXTRA);
838 wacom->dev.keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_RUBBER) | BIT(BTN_TOOL_MOUSE) | BIT(BTN_TOOL_BRUSH)
839 | BIT(BTN_TOOL_PENCIL) | BIT(BTN_TOOL_AIRBRUSH) | BIT(BTN_TOOL_LENS) | BIT(BTN_STYLUS2);
840 wacom->dev.absbit[0] |= BIT(ABS_DISTANCE) | BIT(ABS_WHEEL) | BIT(ABS_TILT_X) | BIT(ABS_TILT_Y) | BIT(ABS_RZ) | BIT(ABS_THROTTLE);
841 break;
842
843 case 3:
844 wacom->dev.keybit[LONG(BTN_DIGI)] |= BIT(BTN_STYLUS2) | BIT(BTN_TOOL_RUBBER);
845 break;
846 }
847
848 wacom->dev.absmax[ABS_X] = wacom->features->x_max;
849 wacom->dev.absmax[ABS_Y] = wacom->features->y_max;
850 wacom->dev.absmax[ABS_PRESSURE] = wacom->features->pressure_max;
851 wacom->dev.absmax[ABS_DISTANCE] = wacom->features->distance_max;
852 wacom->dev.absmax[ABS_TILT_X] = 127;
853 wacom->dev.absmax[ABS_TILT_Y] = 127;
854 wacom->dev.absmax[ABS_WHEEL] = 1023;
855
856 wacom->dev.absmax[ABS_RX] = 4097;
857 wacom->dev.absmax[ABS_RY] = 4097;
858 wacom->dev.absmin[ABS_RZ] = -900;
859 wacom->dev.absmax[ABS_RZ] = 899;
860 wacom->dev.absmin[ABS_THROTTLE] = -1023;
861 wacom->dev.absmax[ABS_THROTTLE] = 1023;
862
863 wacom->dev.absfuzz[ABS_X] = 4;
864 wacom->dev.absfuzz[ABS_Y] = 4;
865
866 wacom->dev.private = wacom;
867 wacom->dev.open = wacom_open;
868 wacom->dev.close = wacom_close;
869
870 usb_make_path(dev, path, 64);
871 sprintf(wacom->phys, "%s/input0", path);
872
873 wacom->dev.name = wacom->features->name;
874 wacom->dev.phys = wacom->phys;
875 wacom->dev.id.bustype = BUS_USB;
876 wacom->dev.id.vendor = le16_to_cpu(dev->descriptor.idVendor);
877 wacom->dev.id.product = le16_to_cpu(dev->descriptor.idProduct);
878 wacom->dev.id.version = le16_to_cpu(dev->descriptor.bcdDevice);
879 wacom->dev.dev = &intf->dev;
880 wacom->usbdev = dev;
881
882 endpoint = &intf->cur_altsetting->endpoint[0].desc;
883
884 if (wacom->features->pktlen > 10)
885 BUG();
886
887 usb_fill_int_urb(wacom->irq, dev,
888 usb_rcvintpipe(dev, endpoint->bEndpointAddress),
889 wacom->data, wacom->features->pktlen,
890 wacom->features->irq, wacom, endpoint->bInterval);
891 wacom->irq->transfer_dma = wacom->data_dma;
892 wacom->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
893
894 input_register_device(&wacom->dev);
895
896 /* ask the tablet to report tablet data */
897 usb_set_report(intf, 3, 2, rep_data, 2);
898 /* repeat once (not sure why the first call often fails) */
899 usb_set_report(intf, 3, 2, rep_data, 2);
900
901 printk(KERN_INFO "input: %s on %s\n", wacom->features->name, path);
902
903 usb_set_intfdata(intf, wacom);
904
905 return 0;
906 }
907
908 static void wacom_disconnect(struct usb_interface *intf)
909 {
910 struct wacom *wacom = usb_get_intfdata (intf);
911
912 usb_set_intfdata(intf, NULL);
913 if (wacom) {
914 usb_kill_urb(wacom->irq);
915 input_unregister_device(&wacom->dev);
916 usb_free_urb(wacom->irq);
917 usb_buffer_free(interface_to_usbdev(intf), 10, wacom->data, wacom->data_dma);
918 kfree(wacom);
919 }
920 }
921
922 static struct usb_driver wacom_driver = {
923 .owner = THIS_MODULE,
924 .name = "wacom",
925 .probe = wacom_probe,
926 .disconnect = wacom_disconnect,
927 .id_table = wacom_ids,
928 };
929
930 static int __init wacom_init(void)
931 {
932 int result = usb_register(&wacom_driver);
933 if (result == 0)
934 info(DRIVER_VERSION ":" DRIVER_DESC);
935 return result;
936 }
937
938 static void __exit wacom_exit(void)
939 {
940 usb_deregister(&wacom_driver);
941 }
942
943 module_init(wacom_init);
944 module_exit(wacom_exit);
cpufreq for S3C2410