more changes on original files
[linux-2.4.git] / drivers / usb / wacom.c
1 /*
2  * $Id: wacom.c,v 1.23 2001/05/29 12:57:18 vojtech Exp $
3  *
4  *  Copyright (c) 2000-2001 Vojtech Pavlik      <vojtech@suse.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  *
12  *  USB Wacom Graphire and Wacom Intuos tablet support
13  *
14  *  Sponsored by SuSE
15  *
16  *  ChangeLog:
17  *      v0.1 (vp)  - Initial release
18  *      v0.2 (aba) - Support for all buttons / combinations
19  *      v0.3 (vp)  - Support for Intuos added
20  *      v0.4 (sm)  - Support for more Intuos models, menustrip
21  *                      relative mode, proximity.
22  *      v0.5 (vp)  - Big cleanup, nifty features removed,
23  *                      they belong in userspace
24  *      v1.8 (vp)  - Submit URB only when operating, moved to CVS,
25  *                      use input_report_key instead of report_btn and
26  *                      other cleanups
27  *      v1.11 (vp) - Add URB ->dev setting for new kernels
28  *      v1.11 (jb) - Add support for the 4D Mouse & Lens
29  *      v1.12 (de) - Add support for two more inking pen IDs
30  *      v1.14 (vp) - Use new USB device id probing scheme.
31  *                   Fix Wacom Graphire mouse wheel
32  *      v1.18 (vp) - Fix mouse wheel direction
33  *                   Make mouse relative
34  *      v1.20 (fl) - Report tool id for Intuos devices
35  *                 - Multi tools support
36  *                 - Corrected Intuos protocol decoding (airbrush, 4D mouse, lens cursor...)
37  *                 - Add PL models support
38  *                 - Fix Wacom Graphire mouse wheel again
39  *      v1.21 (vp) - Removed protocol descriptions
40  *                 - Added MISC_SERIAL for tool serial numbers
41  *            (gb) - Identify version on module load.
42  *    v1.21.1 (fl) - added Graphire2 support
43  *    v1.21.2 (fl) - added Intuos2 support
44  *                 - added all the PL ids
45  *    v1.21.3 (fl) - added another eraser id from Neil Okamoto
46  *                 - added smooth filter for Graphire from Peri Hankey
47  *                 - added PenPartner support from Olaf van Es
48  *                 - new tool ids from Ole Martin Bjoerndalen
49  */
50
51 /*
52  * This program is free software; you can redistribute it and/or modify
53  * it under the terms of the GNU General Public License as published by
54  * the Free Software Foundation; either version 2 of the License, or
55  * (at your option) any later version.
56  *
57  * This program is distributed in the hope that it will be useful,
58  * but WITHOUT ANY WARRANTY; without even the implied warranty of
59  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
60  * GNU General Public License for more details.
61  *
62  * You should have received a copy of the GNU General Public License
63  * along with this program; if not, write to the Free Software
64  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
65  *
66  * Should you need to contact me, the author, you can do so either by
67  * e-mail - mail your message to <vojtech@suse.cz>, or by paper mail:
68  * Vojtech Pavlik, Ucitelska 1576, Prague 8, 182 00 Czech Republic
69  */
70
71 #include <linux/kernel.h>
72 #include <linux/slab.h>
73 #include <linux/input.h>
74 #include <linux/module.h>
75 #include <linux/init.h>
76 #include <linux/usb.h>
77
78 /*
79  * Version Information
80  */
81 #define DRIVER_VERSION "v1.21.3"
82 #define DRIVER_AUTHOR "Vojtech Pavlik <vojtech@suse.cz>"
83 #define DRIVER_DESC "USB Wacom Graphire and Wacom Intuos tablet driver"
84
85 MODULE_AUTHOR( DRIVER_AUTHOR );
86 MODULE_DESCRIPTION( DRIVER_DESC );
87 MODULE_LICENSE("GPL");
88
89 #define USB_VENDOR_ID_WACOM     0x056a
90
91 struct wacom_features {
92         char *name;
93         int pktlen;
94         int x_max;
95         int y_max;
96         int pressure_max;
97         int distance_max;
98         void (*irq)(struct urb *urb);
99         unsigned long evbit;
100         unsigned long absbit;
101         unsigned long relbit;
102         unsigned long btnbit;
103         unsigned long digibit;
104 };
105
106 struct wacom {
107         signed char data[10];
108         struct input_dev dev;
109         struct usb_device *usbdev;
110         struct urb irq;
111         struct wacom_features *features;
112         int tool[2];
113         int open;
114         __u32 serial[2];
115 };
116
117 static void wacom_pl_irq(struct urb *urb)
118 {
119         struct wacom *wacom = urb->context;
120         unsigned char *data = wacom->data;
121         struct input_dev *dev = &wacom->dev;
122         int prox;
123
124         if (urb->status) return;
125
126         if (data[0] != 2) {
127                 printk(KERN_ERR "wacom_pl_irq: received unknown report #%d\n", data[0]);
128                 return;
129         }
130         
131         prox = data[1] & 0x20;
132         
133         input_report_key(dev, BTN_TOOL_PEN, prox);
134         
135         if (prox) {
136                 int pressure = (data[4] & 0x04) >> 2 | ((__u32)(data[7] & 0x7f) << 1);
137
138                 input_report_abs(dev, ABS_X, data[3] | ((__u32)data[2] << 8) | ((__u32)(data[1] & 0x03) << 16));
139                 input_report_abs(dev, ABS_Y, data[6] | ((__u32)data[5] << 8) | ((__u32)(data[4] & 0x03) << 8));
140                 input_report_abs(dev, ABS_PRESSURE, (data[7] & 0x80) ? (255 - pressure) : (pressure + 255));
141                 input_report_key(dev, BTN_TOUCH, data[4] & 0x08);
142                 input_report_key(dev, BTN_STYLUS, data[4] & 0x10);
143                 input_report_key(dev, BTN_STYLUS2, data[4] & 0x20);
144         }
145         
146         input_event(dev, EV_MSC, MSC_SERIAL, 0);
147 }
148
149 static void wacom_penpartner_irq(struct urb *urb)
150 {
151         struct wacom *wacom = urb->context;
152         unsigned char *data = wacom->data;
153         struct input_dev *dev = &wacom->dev;
154         int x, y; 
155         char pressure; 
156         int leftmb;
157
158         if (urb->status) return;
159
160         x = data[2] << 8 | data[1];
161         y = data[4] << 8 | data[3];
162         pressure = data[6];
163         leftmb = ((pressure > -80) && !(data[5] &20));
164
165         input_report_key(dev, BTN_TOOL_PEN, 1);
166
167         input_report_abs(dev, ABS_X, x);
168         input_report_abs(dev, ABS_Y, y);
169         input_report_abs(dev, ABS_PRESSURE, pressure+127);
170         input_report_key(dev, BTN_LEFT, leftmb);
171         input_report_key(dev, BTN_RIGHT, (data[5] & 0x40));
172         
173         input_event(dev, EV_MSC, MSC_SERIAL, leftmb);
174 }
175
176 static void wacom_graphire_irq(struct urb *urb)
177 {
178         struct wacom *wacom = urb->context;
179         unsigned char *data = wacom->data;
180         struct input_dev *dev = &wacom->dev;
181         int x, y;
182
183         if (urb->status) return;
184
185         if (data[0] != 2) {
186                 printk(KERN_ERR "wacom_graphire_irq: received unknown report #%d\n", data[0]);
187                 return;
188         }
189         
190         x = data[2] | ((__u32)data[3] << 8);
191         y = data[4] | ((__u32)data[5] << 8);
192
193         switch ((data[1] >> 5) & 3) {
194
195                 case 0: /* Pen */
196                         input_report_key(dev, BTN_TOOL_PEN, data[1] & 0x80);
197                         break;
198
199                 case 1: /* Rubber */
200                         input_report_key(dev, BTN_TOOL_RUBBER, data[1] & 0x80);
201                         break;
202
203                 case 2: /* Mouse */
204                         input_report_key(dev, BTN_TOOL_MOUSE, data[7] > 24);
205                         input_report_key(dev, BTN_LEFT, data[1] & 0x01);
206                         input_report_key(dev, BTN_RIGHT, data[1] & 0x02);
207                         input_report_key(dev, BTN_MIDDLE, data[1] & 0x04);
208                         input_report_abs(dev, ABS_DISTANCE, data[7]);
209                         input_report_rel(dev, REL_WHEEL, (signed char) data[6]);
210
211                         input_report_abs(dev, ABS_X, x);
212                         input_report_abs(dev, ABS_Y, y);
213
214                         input_event(dev, EV_MSC, MSC_SERIAL, data[1] & 0x01);
215                         return;
216         }
217
218         if (data[1] & 0x80) {
219                 input_report_abs(dev, ABS_X, x);
220                 input_report_abs(dev, ABS_Y, y);
221         }
222
223         input_report_abs(dev, ABS_PRESSURE, data[6] | ((__u32)data[7] << 8));
224         input_report_key(dev, BTN_TOUCH, data[1] & 0x01);
225         input_report_key(dev, BTN_STYLUS, data[1] & 0x02);
226         input_report_key(dev, BTN_STYLUS2, data[1] & 0x04);
227
228         input_event(dev, EV_MSC, MSC_SERIAL, data[1] & 0x01);
229 }
230
231 static void wacom_intuos_irq(struct urb *urb)
232 {
233         struct wacom *wacom = urb->context;
234         unsigned char *data = wacom->data;
235         struct input_dev *dev = &wacom->dev;
236         unsigned int t;
237         int idx;
238
239         if (urb->status) return;
240
241         if (data[0] != 2) {
242                 printk(KERN_ERR "wacom_intuos_irq: received unknown report #%d\n", data[0]);
243                 return;
244         }
245         
246         /* tool number */
247         idx = data[1] & 0x01;
248
249         if ((data[1] & 0xfc) == 0xc0) {                                         /* Enter report */
250
251                 wacom->serial[idx] = ((__u32)(data[3] & 0x0f) << 4) +           /* serial number of the tool */
252                         ((__u32)data[4] << 16) + ((__u32)data[5] << 12) +
253                         ((__u32)data[6] << 4) + (data[7] >> 4);
254
255                 switch (((__u32)data[2] << 4) | (data[3] >> 4)) {
256                         case 0x832:
257                         case 0x012: wacom->tool[idx] = BTN_TOOL_PENCIL;         break;  /* Inking pen */
258                         case 0x822:
259                         case 0x852:
260                         case 0x022: wacom->tool[idx] = BTN_TOOL_PEN;            break;  /* Pen */
261                         case 0x812:
262                         case 0x032: wacom->tool[idx] = BTN_TOOL_BRUSH;          break;  /* Stroke pen */
263                         case 0x09c:
264                         case 0x007:
265                         case 0x094: wacom->tool[idx] = BTN_TOOL_MOUSE;          break;  /* Mouse 4D */
266                         case 0x096: wacom->tool[idx] = BTN_TOOL_LENS;           break;  /* Lens cursor */
267                         case 0x82a:
268                         case 0x85a:
269                         case 0x91a:
270                         case 0x0fa: wacom->tool[idx] = BTN_TOOL_RUBBER;         break;  /* Eraser */
271                         case 0x112: wacom->tool[idx] = BTN_TOOL_AIRBRUSH;       break;  /* Airbrush */
272                         default:    wacom->tool[idx] = BTN_TOOL_PEN;            break;  /* Unknown tool */
273                 }
274
275                 input_report_key(dev, wacom->tool[idx], 1);
276                 input_event(dev, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
277                 return;
278         }
279
280         if ((data[1] & 0xfe) == 0x80) {                                         /* Exit report */
281                 input_report_key(dev, wacom->tool[idx], 0);
282                 input_event(dev, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
283                 return;
284         }
285
286         input_report_abs(dev, ABS_X, ((__u32)data[2] << 8) | data[3]);
287         input_report_abs(dev, ABS_Y, ((__u32)data[4] << 8) | data[5]);
288         input_report_abs(dev, ABS_DISTANCE, data[9] >> 4);
289         
290         if ((data[1] & 0xb8) == 0xa0) {                                         /* general pen packet */
291                 input_report_abs(dev, ABS_PRESSURE, t = ((__u32)data[6] << 2) | ((data[7] >> 6) & 3));
292                 input_report_abs(dev, ABS_TILT_X, ((data[7] << 1) & 0x7e) | (data[8] >> 7));
293                 input_report_abs(dev, ABS_TILT_Y, data[8] & 0x7f);
294                 input_report_key(dev, BTN_STYLUS, data[1] & 2);
295                 input_report_key(dev, BTN_STYLUS2, data[1] & 4);
296                 input_report_key(dev, BTN_TOUCH, t > 10);
297         }
298
299         if ((data[1] & 0xbc) == 0xb4) {                                         /* airbrush second packet */
300                 input_report_abs(dev, ABS_WHEEL, ((__u32)data[6] << 2) | ((data[7] >> 6) & 3));
301                 input_report_abs(dev, ABS_TILT_X, ((data[7] << 1) & 0x7e) | (data[8] >> 7));
302                 input_report_abs(dev, ABS_TILT_Y, data[8] & 0x7f);
303         }
304         
305         if ((data[1] & 0xbc) == 0xa8 || (data[1] & 0xbe) == 0xb0) {             /* 4D mouse or Lens cursor packets */
306
307                 if (data[1] & 0x02) {                                           /* Rotation packet */
308
309                         input_report_abs(dev, ABS_RZ, (data[7] & 0x20) ?
310                                          ((__u32)data[6] << 2) | ((data[7] >> 6) & 3):
311                                          (-(((__u32)data[6] << 2) | ((data[7] >> 6) & 3))) - 1);
312
313                 } else {
314
315                         input_report_key(dev, BTN_LEFT,   data[8] & 0x01);
316                         input_report_key(dev, BTN_MIDDLE, data[8] & 0x02);
317                         input_report_key(dev, BTN_RIGHT,  data[8] & 0x04);
318
319                         if ((data[1] & 0x10) == 0) {                            /* 4D mouse packets */
320
321                                 input_report_key(dev, BTN_SIDE,   data[8] & 0x20);
322                                 input_report_key(dev, BTN_EXTRA,  data[8] & 0x10);
323                                 input_report_abs(dev, ABS_THROTTLE,  (data[8] & 0x08) ?
324                                                  ((__u32)data[6] << 2) | ((data[7] >> 6) & 3) :
325                                                  -((__u32)data[6] << 2) | ((data[7] >> 6) & 3));
326
327                         } else {                                                /* Lens cursor packets */
328
329                                 input_report_key(dev, BTN_SIDE,   data[8] & 0x10);
330                                 input_report_key(dev, BTN_EXTRA,  data[8] & 0x08);
331                         }
332                 }
333         }
334         
335         input_event(dev, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
336 }
337
338 #define WACOM_INTUOS_TOOLS      (BIT(BTN_TOOL_BRUSH) | BIT(BTN_TOOL_PENCIL) | BIT(BTN_TOOL_AIRBRUSH) | BIT(BTN_TOOL_LENS))
339 #define WACOM_INTUOS_BUTTONS    (BIT(BTN_SIDE) | BIT(BTN_EXTRA))
340 #define WACOM_INTUOS_ABS        (BIT(ABS_TILT_X) | BIT(ABS_TILT_Y) | BIT(ABS_RZ) | BIT(ABS_THROTTLE))
341
342 struct wacom_features wacom_features[] = {
343         { "Wacom Penpartner",    7,  5040,  3780,  255, 32, wacom_penpartner_irq,
344                 0, 0, 0, 0 },
345         { "Wacom Graphire",      8, 10206,  7422,  511, 32, wacom_graphire_irq,
346                 BIT(EV_REL), 0, BIT(REL_WHEEL), 0 },
347         { "Wacom Graphire2 4x5",     8, 10206,  7422,  511, 32, wacom_graphire_irq,
348                 BIT(EV_REL), 0, BIT(REL_WHEEL), 0 },
349         { "Wacom Graphire2 5x7",     8, 10206,  7422,  511, 32, wacom_graphire_irq,
350                 BIT(EV_REL), 0, BIT(REL_WHEEL), 0 },
351         { "Wacom Intuos 4x5",   10, 12700, 10360, 1023, 15, wacom_intuos_irq,
352                 0, WACOM_INTUOS_ABS, 0, WACOM_INTUOS_BUTTONS, WACOM_INTUOS_TOOLS },
353         { "Wacom Intuos 6x8",   10, 20320, 15040, 1023, 15, wacom_intuos_irq,
354                 0, WACOM_INTUOS_ABS, 0, WACOM_INTUOS_BUTTONS, WACOM_INTUOS_TOOLS },
355         { "Wacom Intuos 9x12",  10, 30480, 23060, 1023, 15, wacom_intuos_irq,
356                 0, WACOM_INTUOS_ABS, 0, WACOM_INTUOS_BUTTONS, WACOM_INTUOS_TOOLS },
357         { "Wacom Intuos 12x12", 10, 30480, 30480, 1023, 15, wacom_intuos_irq,
358                 0, WACOM_INTUOS_ABS, 0, WACOM_INTUOS_BUTTONS, WACOM_INTUOS_TOOLS },
359         { "Wacom Intuos 12x18", 10, 47720, 30480, 1023, 15, wacom_intuos_irq,
360                 0, WACOM_INTUOS_ABS, 0, WACOM_INTUOS_BUTTONS, WACOM_INTUOS_TOOLS },
361         { "Wacom PL400",        8,  12328, 9256,   511, 32, wacom_pl_irq,
362                 0,  0, 0, 0 },
363         { "Wacom PL500",        8,  12328, 9256,   511, 32, wacom_pl_irq,
364                 0,  0, 0, 0 },
365         { "Wacom PL600",        8,  12328, 9256,   511, 32, wacom_pl_irq,
366                 0,  0, 0, 0 },
367         { "Wacom PL600SX",        8,  12328, 9256,   511, 32, wacom_pl_irq,
368                 0,  0, 0, 0 },
369         { "Wacom PL550",        8,  12328, 9256,   511, 32, wacom_pl_irq,
370                 0,  0, 0, 0 },
371         { "Wacom PL800",        8,  12328, 9256,   511, 32, wacom_pl_irq,
372                 0,  0, 0, 0 },
373         { "Wacom Intuos2 4x5",   10, 12700, 10360, 1023, 15, wacom_intuos_irq,
374                 0, WACOM_INTUOS_ABS, 0, WACOM_INTUOS_BUTTONS, WACOM_INTUOS_TOOLS },
375         { "Wacom Intuos2 6x8",   10, 20320, 15040, 1023, 15, wacom_intuos_irq,
376                 0, WACOM_INTUOS_ABS, 0, WACOM_INTUOS_BUTTONS, WACOM_INTUOS_TOOLS },
377         { "Wacom Intuos2 9x12",  10, 30480, 23060, 1023, 15, wacom_intuos_irq,
378                 0, WACOM_INTUOS_ABS, 0, WACOM_INTUOS_BUTTONS, WACOM_INTUOS_TOOLS },
379         { "Wacom Intuos2 12x12", 10, 30480, 30480, 1023, 15, wacom_intuos_irq,
380                 0, WACOM_INTUOS_ABS, 0, WACOM_INTUOS_BUTTONS, WACOM_INTUOS_TOOLS },
381         { "Wacom Intuos2 12x18", 10, 47720, 30480, 1023, 15, wacom_intuos_irq,
382                 0, WACOM_INTUOS_ABS, 0, WACOM_INTUOS_BUTTONS, WACOM_INTUOS_TOOLS },
383         { NULL , 0 }
384 };
385
386 struct usb_device_id wacom_ids[] = {
387         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x00), driver_info: 0 },
388         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x10), driver_info: 1 },
389         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x11), driver_info: 2 },
390         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x12), driver_info: 3 },
391         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x20), driver_info: 4 },
392         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x21), driver_info: 5 },
393         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x22), driver_info: 6 },
394         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x23), driver_info: 7 },
395         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x24), driver_info: 8 },
396         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x30), driver_info: 9 },
397         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x31), driver_info: 10 },
398         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x32), driver_info: 11 },
399         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x33), driver_info: 12 },
400         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x34), driver_info: 13 },
401         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x35), driver_info: 14 },
402         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x41), driver_info: 15 },
403         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x42), driver_info: 16 },
404         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x43), driver_info: 17 },
405         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x44), driver_info: 18 },
406         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x45), driver_info: 19 },
407         { }
408 };
409
410 MODULE_DEVICE_TABLE(usb, wacom_ids);
411
412 static int wacom_open(struct input_dev *dev)
413 {
414         struct wacom *wacom = dev->private;
415         
416         if (wacom->open++)
417                 return 0;
418
419         wacom->irq.dev = wacom->usbdev;
420         if (usb_submit_urb(&wacom->irq))
421                 return -EIO;
422
423         return 0;
424 }
425
426 static void wacom_close(struct input_dev *dev)
427 {
428         struct wacom *wacom = dev->private;
429
430         if (!--wacom->open)
431                 usb_unlink_urb(&wacom->irq);
432 }
433
434 static void *wacom_probe(struct usb_device *dev, unsigned int ifnum, const struct usb_device_id *id)
435 {
436         struct usb_endpoint_descriptor *endpoint;
437         struct wacom *wacom;
438         char rep_data[2] = {0x02, 0x02};
439         
440         if (!(wacom = kmalloc(sizeof(struct wacom), GFP_KERNEL))) return NULL;
441         memset(wacom, 0, sizeof(struct wacom));
442
443         wacom->features = wacom_features + id->driver_info;
444
445         wacom->dev.evbit[0] |= BIT(EV_KEY) | BIT(EV_ABS) | BIT(EV_MSC) | wacom->features->evbit;
446         wacom->dev.absbit[0] |= BIT(ABS_X) | BIT(ABS_Y) | BIT(ABS_PRESSURE) | BIT(ABS_DISTANCE) | BIT(ABS_WHEEL) | wacom->features->absbit;
447         wacom->dev.relbit[0] |= wacom->features->relbit;
448         wacom->dev.keybit[LONG(BTN_LEFT)] |= BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE) | wacom->features->btnbit;
449         wacom->dev.keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_PEN) | BIT(BTN_TOOL_RUBBER) | BIT(BTN_TOOL_MOUSE) |
450                 BIT(BTN_TOUCH) | BIT(BTN_STYLUS) | BIT(BTN_STYLUS2) | wacom->features->digibit;
451         wacom->dev.mscbit[0] |= BIT(MSC_SERIAL);
452
453         wacom->dev.absmax[ABS_X] = wacom->features->x_max;
454         wacom->dev.absmax[ABS_Y] = wacom->features->y_max;
455         wacom->dev.absmax[ABS_PRESSURE] = wacom->features->pressure_max;
456         wacom->dev.absmax[ABS_DISTANCE] = wacom->features->distance_max;
457         wacom->dev.absmax[ABS_TILT_X] = 127;
458         wacom->dev.absmax[ABS_TILT_Y] = 127;
459         wacom->dev.absmax[ABS_WHEEL] = 1023;
460
461         wacom->dev.absmin[ABS_RZ] = -900;
462         wacom->dev.absmax[ABS_RZ] = 899;
463         wacom->dev.absmin[ABS_THROTTLE] = -1023;
464         wacom->dev.absmax[ABS_THROTTLE] = 1023;
465
466         wacom->dev.absfuzz[ABS_X] = 4;
467         wacom->dev.absfuzz[ABS_Y] = 4;
468
469         wacom->dev.private = wacom;
470         wacom->dev.open = wacom_open;
471         wacom->dev.close = wacom_close;
472
473         wacom->dev.name = wacom->features->name;
474         wacom->dev.idbus = BUS_USB;
475         wacom->dev.idvendor = dev->descriptor.idVendor;
476         wacom->dev.idproduct = dev->descriptor.idProduct;
477         wacom->dev.idversion = dev->descriptor.bcdDevice;
478         wacom->usbdev = dev;
479
480         endpoint = dev->config[0].interface[ifnum].altsetting[0].endpoint + 0;
481
482         usb_set_idle(dev, dev->config[0].interface[ifnum].altsetting[0].bInterfaceNumber, 0, 0);
483
484         FILL_INT_URB(&wacom->irq, dev, usb_rcvintpipe(dev, endpoint->bEndpointAddress),
485                      wacom->data, wacom->features->pktlen, wacom->features->irq, wacom, endpoint->bInterval);
486
487         input_register_device(&wacom->dev);
488
489         /* ask the tablet to report tablet data */
490         usb_set_report(dev, ifnum, 3, 2, rep_data, 2);
491         usb_set_report(dev, ifnum, 3, 5, rep_data, 0);
492         usb_set_report(dev, ifnum, 3, 6, rep_data, 0);
493         
494         printk(KERN_INFO "input%d: %s on usb%d:%d.%d\n",
495                wacom->dev.number, wacom->features->name, dev->bus->busnum, dev->devnum, ifnum);
496
497         return wacom;
498 }
499
500 static void wacom_disconnect(struct usb_device *dev, void *ptr)
501 {
502         struct wacom *wacom = ptr;
503         usb_unlink_urb(&wacom->irq);
504         input_unregister_device(&wacom->dev);
505         kfree(wacom);
506 }
507
508 static struct usb_driver wacom_driver = {
509         name:           "wacom",
510         probe:          wacom_probe,
511         disconnect:     wacom_disconnect,
512         id_table:       wacom_ids,
513 };
514
515 static int __init wacom_init(void)
516 {
517         usb_register(&wacom_driver);
518         info(DRIVER_VERSION " " DRIVER_AUTHOR);
519         info(DRIVER_DESC);
520         return 0;
521 }
522
523 static void __exit wacom_exit(void)
524 {
525         usb_deregister(&wacom_driver);
526 }
527
528 module_init(wacom_init);
529 module_exit(wacom_exit);