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allow coexistance of N build and AC build.
[tomato.git] / release / src-rt-6.x / linux / linux-2.6 / drivers / input / tablet / aiptek.c
blobcc0a498763d8db609e7dd03d5086f50010931765
1 /*
2 * Native support for the Aiptek HyperPen USB Tablets
3 * (4000U/5000U/6000U/8000U/12000U)
4 *
5 * Copyright (c) 2001 Chris Atenasio <chris@crud.net>
6 * Copyright (c) 2002-2004 Bryan W. Headley <bwheadley@earthlink.net>
7 *
8 * based on wacom.c by
9 * Vojtech Pavlik <vojtech@suse.cz>
10 * Andreas Bach Aaen <abach@stofanet.dk>
11 * Clifford Wolf <clifford@clifford.at>
12 * Sam Mosel <sam.mosel@computer.org>
13 * James E. Blair <corvus@gnu.org>
14 * Daniel Egger <egger@suse.de>
15 *
16 * Many thanks to Oliver Kuechemann for his support.
17 *
18 * ChangeLog:
19 * v0.1 - Initial release
20 * v0.2 - Hack to get around fake event 28's. (Bryan W. Headley)
21 * v0.3 - Make URB dynamic (Bryan W. Headley, Jun-8-2002)
22 * Released to Linux 2.4.19 and 2.5.x
23 * v0.4 - Rewrote substantial portions of the code to deal with
24 * corrected control sequences, timing, dynamic configuration,
25 * support of 6000U - 12000U, procfs, and macro key support
26 * (Jan-1-2003 - Feb-5-2003, Bryan W. Headley)
27 * v1.0 - Added support for diagnostic messages, count of messages
28 * received from URB - Mar-8-2003, Bryan W. Headley
29 * v1.1 - added support for tablet resolution, changed DV and proximity
30 * some corrections - Jun-22-2003, martin schneebacher
31 * - Added support for the sysfs interface, deprecating the
32 * procfs interface for 2.5.x kernel. Also added support for
33 * Wheel command. Bryan W. Headley July-15-2003.
34 * v1.2 - Reworked jitter timer as a kernel thread.
35 * Bryan W. Headley November-28-2003/Jan-10-2004.
36 * v1.3 - Repaired issue of kernel thread going nuts on single-processor
37 * machines, introduced programmableDelay as a command line
38 * parameter. Feb 7 2004, Bryan W. Headley.
39 * v1.4 - Re-wire jitter so it does not require a thread. Courtesy of
40 * Rene van Paassen. Added reporting of physical pointer device
41 * (e.g., stylus, mouse in reports 2, 3, 4, 5. We don't know
42 * for reports 1, 6.)
43 * what physical device reports for reports 1, 6.) Also enabled
44 * MOUSE and LENS tool button modes. Renamed "rubber" to "eraser".
45 * Feb 20, 2004, Bryan W. Headley.
46 * v1.5 - Added previousJitterable, so we don't do jitter delay when the
47 * user is holding a button down for periods of time.
48 *
49 * NOTE:
50 * This kernel driver is augmented by the "Aiptek" XFree86 input
51 * driver for your X server, as well as the Gaiptek GUI Front-end
52 * "Tablet Manager".
53 * These three products are highly interactive with one another,
54 * so therefore it's easier to document them all as one subsystem.
55 * Please visit the project's "home page", located at,
56 * http://aiptektablet.sourceforge.net.
57 *
58 * This program is free software; you can redistribute it and/or modify
59 * it under the terms of the GNU General Public License as published by
60 * the Free Software Foundation; either version 2 of the License, or
61 * (at your option) any later version.
62 *
63 * This program is distributed in the hope that it will be useful,
64 * but WITHOUT ANY WARRANTY; without even the implied warranty of
65 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
66 * GNU General Public License for more details.
67 *
68 * You should have received a copy of the GNU General Public License
69 * along with this program; if not, write to the Free Software
70 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
71 */
72
73 #include <linux/jiffies.h>
74 #include <linux/kernel.h>
75 #include <linux/slab.h>
76 #include <linux/module.h>
77 #include <linux/init.h>
78 #include <linux/usb/input.h>
79 #include <asm/uaccess.h>
80 #include <asm/unaligned.h>
81
82 /*
83 * Version Information
84 */
85 #define DRIVER_VERSION "v1.5 (May-15-2004)"
86 #define DRIVER_AUTHOR "Bryan W. Headley/Chris Atenasio"
87 #define DRIVER_DESC "Aiptek HyperPen USB Tablet Driver (Linux 2.6.x)"
88
89 /*
90 * Aiptek status packet:
91 *
92 * (returned as Report 1 - relative coordinates from mouse and stylus)
93 *
94 * bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0
95 * byte0 0 0 0 0 0 0 0 1
96 * byte1 0 0 0 0 0 BS2 BS Tip
97 * byte2 X7 X6 X5 X4 X3 X2 X1 X0
98 * byte3 Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0
99 *
100 * (returned as Report 2 - absolute coordinates from the stylus)
101 *
102 * bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0
103 * byte0 0 0 0 0 0 0 1 0
104 * byte1 X7 X6 X5 X4 X3 X2 X1 X0
105 * byte2 X15 X14 X13 X12 X11 X10 X9 X8
106 * byte3 Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0
107 * byte4 Y15 Y14 Y13 Y12 Y11 Y10 Y9 Y8
108 * byte5 * * * BS2 BS1 Tip IR DV
109 * byte6 P7 P6 P5 P4 P3 P2 P1 P0
110 * byte7 P15 P14 P13 P12 P11 P10 P9 P8
111 *
112 * (returned as Report 3 - absolute coordinates from the mouse)
113 *
114 * bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0
115 * byte0 0 0 0 0 0 0 1 0
116 * byte1 X7 X6 X5 X4 X3 X2 X1 X0
117 * byte2 X15 X14 X13 X12 X11 X10 X9 X8
118 * byte3 Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0
119 * byte4 Y15 Y14 Y13 Y12 Y11 Y10 Y9 Y8
120 * byte5 * * * BS2 BS1 Tip IR DV
121 * byte6 P7 P6 P5 P4 P3 P2 P1 P0
122 * byte7 P15 P14 P13 P12 P11 P10 P9 P8
123 *
124 * (returned as Report 4 - macrokeys from the stylus)
125 *
126 * bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0
127 * byte0 0 0 0 0 0 1 0 0
128 * byte1 0 0 0 BS2 BS Tip IR DV
129 * byte2 0 0 0 0 0 0 1 0
130 * byte3 0 0 0 K4 K3 K2 K1 K0
131 * byte4 P7 P6 P5 P4 P3 P2 P1 P0
132 * byte5 P15 P14 P13 P12 P11 P10 P9 P8
133 *
134 * (returned as Report 5 - macrokeys from the mouse)
135 *
136 * bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0
137 * byte0 0 0 0 0 0 1 0 0
138 * byte1 0 0 0 BS2 BS Tip IR DV
139 * byte2 0 0 0 0 0 0 1 0
140 * byte3 0 0 0 K4 K3 K2 K1 K0
141 * byte4 P7 P6 P5 P4 P3 P2 P1 P0
142 * byte5 P15 P14 P13 P12 P11 P10 P9 P8
143 *
144 * IR: In Range = Proximity on
145 * DV = Data Valid
146 * BS = Barrel Switch (as in, macro keys)
147 * BS2 also referred to as Tablet Pick
148 *
149 * Command Summary:
150 *
151 * Use report_type CONTROL (3)
152 * Use report_id 2
153 *
154 * Command/Data Description Return Bytes Return Value
155 * 0x10/0x00 SwitchToMouse 0
156 * 0x10/0x01 SwitchToTablet 0
157 * 0x18/0x04 SetResolution 0
158 * 0x12/0xFF AutoGainOn 0
159 * 0x17/0x00 FilterOn 0
160 * 0x01/0x00 GetXExtension 2 MaxX
161 * 0x01/0x01 GetYExtension 2 MaxY
162 * 0x02/0x00 GetModelCode 2 ModelCode = LOBYTE
163 * 0x03/0x00 GetODMCode 2 ODMCode
164 * 0x08/0x00 GetPressureLevels 2 =512
165 * 0x04/0x00 GetFirmwareVersion 2 Firmware Version
166 * 0x11/0x02 EnableMacroKeys 0
167 *
168 * To initialize the tablet:
169 *
170 * (1) Send Resolution500LPI (Command)
171 * (2) Query for Model code (Option Report)
172 * (3) Query for ODM code (Option Report)
173 * (4) Query for firmware (Option Report)
174 * (5) Query for GetXExtension (Option Report)
175 * (6) Query for GetYExtension (Option Report)
176 * (7) Query for GetPressureLevels (Option Report)
177 * (8) SwitchToTablet for Absolute coordinates, or
178 * SwitchToMouse for Relative coordinates (Command)
179 * (9) EnableMacroKeys (Command)
180 * (10) FilterOn (Command)
181 * (11) AutoGainOn (Command)
182 *
183 * (Step 9 can be omitted, but you'll then have no function keys.)
184 */
185
186 #define USB_VENDOR_ID_AIPTEK 0x08ca
187 #define USB_REQ_GET_REPORT 0x01
188 #define USB_REQ_SET_REPORT 0x09
189
190 /* PointerMode codes
191 */
192 #define AIPTEK_POINTER_ONLY_MOUSE_MODE 0
193 #define AIPTEK_POINTER_ONLY_STYLUS_MODE 1
194 #define AIPTEK_POINTER_EITHER_MODE 2
195
196 #define AIPTEK_POINTER_ALLOW_MOUSE_MODE(a) \
197 (a == AIPTEK_POINTER_ONLY_MOUSE_MODE || \
198 a == AIPTEK_POINTER_EITHER_MODE)
199 #define AIPTEK_POINTER_ALLOW_STYLUS_MODE(a) \
200 (a == AIPTEK_POINTER_ONLY_STYLUS_MODE || \
201 a == AIPTEK_POINTER_EITHER_MODE)
202
203 /* CoordinateMode code
204 */
205 #define AIPTEK_COORDINATE_RELATIVE_MODE 0
206 #define AIPTEK_COORDINATE_ABSOLUTE_MODE 1
207
208 /* XTilt and YTilt values
209 */
210 #define AIPTEK_TILT_MIN (-128)
211 #define AIPTEK_TILT_MAX 127
212 #define AIPTEK_TILT_DISABLE (-10101)
213
214 /* Wheel values
215 */
216 #define AIPTEK_WHEEL_MIN 0
217 #define AIPTEK_WHEEL_MAX 1024
218 #define AIPTEK_WHEEL_DISABLE (-10101)
219
220 /* ToolCode values, which BTW are 0x140 .. 0x14f
221 * We have things set up such that if TOOL_BUTTON_FIRED_BIT is
222 * not set, we'll send one instance of AIPTEK_TOOL_BUTTON_xxx.
223 *
224 * Whenever the user resets the value, TOOL_BUTTON_FIRED_BIT will
225 * get reset.
226 */
227 #define TOOL_BUTTON(x) ((x) & 0x14f)
228 #define TOOL_BUTTON_FIRED(x) ((x) & 0x200)
229 #define TOOL_BUTTON_FIRED_BIT 0x200
230 /* toolMode codes
231 */
232 #define AIPTEK_TOOL_BUTTON_PEN_MODE BTN_TOOL_PEN
233 #define AIPTEK_TOOL_BUTTON_PEN_MODE BTN_TOOL_PEN
234 #define AIPTEK_TOOL_BUTTON_PENCIL_MODE BTN_TOOL_PENCIL
235 #define AIPTEK_TOOL_BUTTON_BRUSH_MODE BTN_TOOL_BRUSH
236 #define AIPTEK_TOOL_BUTTON_AIRBRUSH_MODE BTN_TOOL_AIRBRUSH
237 #define AIPTEK_TOOL_BUTTON_ERASER_MODE BTN_TOOL_RUBBER
238 #define AIPTEK_TOOL_BUTTON_MOUSE_MODE BTN_TOOL_MOUSE
239 #define AIPTEK_TOOL_BUTTON_LENS_MODE BTN_TOOL_LENS
240
241 /* Diagnostic message codes
242 */
243 #define AIPTEK_DIAGNOSTIC_NA 0
244 #define AIPTEK_DIAGNOSTIC_SENDING_RELATIVE_IN_ABSOLUTE 1
245 #define AIPTEK_DIAGNOSTIC_SENDING_ABSOLUTE_IN_RELATIVE 2
246 #define AIPTEK_DIAGNOSTIC_TOOL_DISALLOWED 3
247
248 /* Time to wait (in ms) to help mask hand jittering
249 * when pressing the stylus buttons.
250 */
251 #define AIPTEK_JITTER_DELAY_DEFAULT 50
252
253 /* Time to wait (in ms) in-between sending the tablet
254 * a command and beginning the process of reading the return
255 * sequence from the tablet.
256 */
257 #define AIPTEK_PROGRAMMABLE_DELAY_25 25
258 #define AIPTEK_PROGRAMMABLE_DELAY_50 50
259 #define AIPTEK_PROGRAMMABLE_DELAY_100 100
260 #define AIPTEK_PROGRAMMABLE_DELAY_200 200
261 #define AIPTEK_PROGRAMMABLE_DELAY_300 300
262 #define AIPTEK_PROGRAMMABLE_DELAY_400 400
263 #define AIPTEK_PROGRAMMABLE_DELAY_DEFAULT AIPTEK_PROGRAMMABLE_DELAY_400
264
265 /* Mouse button programming
266 */
267 #define AIPTEK_MOUSE_LEFT_BUTTON 0x01
268 #define AIPTEK_MOUSE_RIGHT_BUTTON 0x02
269 #define AIPTEK_MOUSE_MIDDLE_BUTTON 0x04
270
271 /* Stylus button programming
272 */
273 #define AIPTEK_STYLUS_LOWER_BUTTON 0x08
274 #define AIPTEK_STYLUS_UPPER_BUTTON 0x10
275
276 /* Length of incoming packet from the tablet
277 */
278 #define AIPTEK_PACKET_LENGTH 8
279
280 /* We report in EV_MISC both the proximity and
281 * whether the report came from the stylus, tablet mouse
282 * or "unknown" -- Unknown when the tablet is in relative
283 * mode, because we only get report 1's.
284 */
285 #define AIPTEK_REPORT_TOOL_UNKNOWN 0x10
286 #define AIPTEK_REPORT_TOOL_STYLUS 0x20
287 #define AIPTEK_REPORT_TOOL_MOUSE 0x40
288
289 static int programmableDelay = AIPTEK_PROGRAMMABLE_DELAY_DEFAULT;
290 static int jitterDelay = AIPTEK_JITTER_DELAY_DEFAULT;
291
292 struct aiptek_features {
293 int odmCode; /* Tablet manufacturer code */
294 int modelCode; /* Tablet model code (not unique) */
295 int firmwareCode; /* prom/eeprom version */
296 char usbPath[64 + 1]; /* device's physical usb path */
297 char inputPath[64 + 1]; /* input device path */
298 };
299
300 struct aiptek_settings {
301 int pointerMode; /* stylus-, mouse-only or either */
302 int coordinateMode; /* absolute/relative coords */
303 int toolMode; /* pen, pencil, brush, etc. tool */
304 int xTilt; /* synthetic xTilt amount */
305 int yTilt; /* synthetic yTilt amount */
306 int wheel; /* synthetic wheel amount */
307 int stylusButtonUpper; /* stylus upper btn delivers... */
308 int stylusButtonLower; /* stylus lower btn delivers... */
309 int mouseButtonLeft; /* mouse left btn delivers... */
310 int mouseButtonMiddle; /* mouse middle btn delivers... */
311 int mouseButtonRight; /* mouse right btn delivers... */
312 int programmableDelay; /* delay for tablet programming */
313 int jitterDelay; /* delay for hand jittering */
314 };
315
316 struct aiptek {
317 struct input_dev *inputdev; /* input device struct */
318 struct usb_device *usbdev; /* usb device struct */
319 struct urb *urb; /* urb for incoming reports */
320 dma_addr_t data_dma; /* our dma stuffage */
321 struct aiptek_features features; /* tablet's array of features */
322 struct aiptek_settings curSetting; /* tablet's current programmable */
323 struct aiptek_settings newSetting; /* ... and new param settings */
324 unsigned int ifnum; /* interface number for IO */
325 int diagnostic; /* tablet diagnostic codes */
326 unsigned long eventCount; /* event count */
327 int inDelay; /* jitter: in jitter delay? */
328 unsigned long endDelay; /* jitter: time when delay ends */
329 int previousJitterable; /* jitterable prev value */
330 unsigned char *data; /* incoming packet data */
331 };
332
333 /*
334 * Permit easy lookup of keyboard events to send, versus
335 * the bitmap which comes from the tablet. This hides the
336 * issue that the F_keys are not sequentially numbered.
337 */
338 static const int macroKeyEvents[] = {
339 KEY_ESC, KEY_F1, KEY_F2, KEY_F3, KEY_F4, KEY_F5,
340 KEY_F6, KEY_F7, KEY_F8, KEY_F9, KEY_F10, KEY_F11,
341 KEY_F12, KEY_F13, KEY_F14, KEY_F15, KEY_F16, KEY_F17,
342 KEY_F18, KEY_F19, KEY_F20, KEY_F21, KEY_F22, KEY_F23,
343 KEY_F24, KEY_STOP, KEY_AGAIN, KEY_PROPS, KEY_UNDO,
344 KEY_FRONT, KEY_COPY, KEY_OPEN, KEY_PASTE, 0
345 };
346
347 /***********************************************************************
348 * Relative reports deliver values in 2's complement format to
349 * deal with negative offsets.
350 */
351 static int aiptek_convert_from_2s_complement(unsigned char c)
352 {
353 int ret;
354 unsigned char b = c;
355 int negate = 0;
356
357 if ((b & 0x80) != 0) {
358 b = ~b;
359 b--;
360 negate = 1;
361 }
362 ret = b;
363 ret = (negate == 1) ? -ret : ret;
364 return ret;
365 }
366
367 /***********************************************************************
368 * aiptek_irq can receive one of six potential reports.
369 * The documentation for each is in the body of the function.
370 *
371 * The tablet reports on several attributes per invocation of
372 * aiptek_irq. Because the Linux Input Event system allows the
373 * transmission of ONE attribute per input_report_xxx() call,
374 * collation has to be done on the other end to reconstitute
375 * a complete tablet report. Further, the number of Input Event reports
376 * submitted varies, depending on what USB report type, and circumstance.
377 * To deal with this, EV_MSC is used to indicate an 'end-of-report'
378 * message. This has been an undocumented convention understood by the kernel
379 * tablet driver and clients such as gpm and XFree86's tablet drivers.
380 *
381 * Of the information received from the tablet, the one piece I
382 * cannot transmit is the proximity bit (without resorting to an EV_MSC
383 * convention above.) I therefore have taken over REL_MISC and ABS_MISC
384 * (for relative and absolute reports, respectively) for communicating
385 * Proximity. Why two events? I thought it interesting to know if the
386 * Proximity event occurred while the tablet was in absolute or relative
387 * mode.
388 *
389 * Other tablets use the notion of a certain minimum stylus pressure
390 * to infer proximity. While that could have been done, that is yet
391 * another 'by convention' behavior, the documentation for which
392 * would be spread between two (or more) pieces of software.
393 *
394 * EV_MSC usage was terminated for this purpose in Linux 2.5.x, and
395 * replaced with the input_sync() method (which emits EV_SYN.)
396 */
397
398 static void aiptek_irq(struct urb *urb)
399 {
400 struct aiptek *aiptek = urb->context;
401 unsigned char *data = aiptek->data;
402 struct input_dev *inputdev = aiptek->inputdev;
403 int jitterable = 0;
404 int retval, macro, x, y, z, left, right, middle, p, dv, tip, bs, pck;
405
406 switch (urb->status) {
407 case 0:
408 /* Success */
409 break;
410
411 case -ECONNRESET:
412 case -ENOENT:
413 case -ESHUTDOWN:
414 /* This urb is terminated, clean up */
415 dbg("%s - urb shutting down with status: %d",
416 __FUNCTION__, urb->status);
417 return;
418
419 default:
420 dbg("%s - nonzero urb status received: %d",
421 __FUNCTION__, urb->status);
422 goto exit;
423 }
424
425 /* See if we are in a delay loop -- throw out report if true.
426 */
427 if (aiptek->inDelay == 1 && time_after(aiptek->endDelay, jiffies)) {
428 goto exit;
429 }
430
431 aiptek->inDelay = 0;
432 aiptek->eventCount++;
433
434 /* Report 1 delivers relative coordinates with either a stylus
435 * or the mouse. You do not know, however, which input
436 * tool generated the event.
437 */
438 if (data[0] == 1) {
439 if (aiptek->curSetting.coordinateMode ==
440 AIPTEK_COORDINATE_ABSOLUTE_MODE) {
441 aiptek->diagnostic =
442 AIPTEK_DIAGNOSTIC_SENDING_RELATIVE_IN_ABSOLUTE;
443 } else {
444 x = aiptek_convert_from_2s_complement(data[2]);
445 y = aiptek_convert_from_2s_complement(data[3]);
446
447 /* jitterable keeps track of whether any button has been pressed.
448 * We're also using it to remap the physical mouse button mask
449 * to pseudo-settings. (We don't specifically care about it's
450 * value after moving/transposing mouse button bitmasks, except
451 * that a non-zero value indicates that one or more
452 * mouse button was pressed.)
453 */
454 jitterable = data[5] & 0x07;
455
456 left = (data[5] & aiptek->curSetting.mouseButtonLeft) != 0 ? 1 : 0;
457 right = (data[5] & aiptek->curSetting.mouseButtonRight) != 0 ? 1 : 0;
458 middle = (data[5] & aiptek->curSetting.mouseButtonMiddle) != 0 ? 1 : 0;
459
460 input_report_key(inputdev, BTN_LEFT, left);
461 input_report_key(inputdev, BTN_MIDDLE, middle);
462 input_report_key(inputdev, BTN_RIGHT, right);
463 input_report_rel(inputdev, REL_X, x);
464 input_report_rel(inputdev, REL_Y, y);
465 input_report_rel(inputdev, REL_MISC, 1 | AIPTEK_REPORT_TOOL_UNKNOWN);
466
467 /* Wheel support is in the form of a single-event
468 * firing.
469 */
470 if (aiptek->curSetting.wheel != AIPTEK_WHEEL_DISABLE) {
471 input_report_rel(inputdev, REL_WHEEL,
472 aiptek->curSetting.wheel);
473 aiptek->curSetting.wheel = AIPTEK_WHEEL_DISABLE;
474 }
475 input_sync(inputdev);
476 }
477 }
478 /* Report 2 is delivered only by the stylus, and delivers
479 * absolute coordinates.
480 */
481 else if (data[0] == 2) {
482 if (aiptek->curSetting.coordinateMode == AIPTEK_COORDINATE_RELATIVE_MODE) {
483 aiptek->diagnostic = AIPTEK_DIAGNOSTIC_SENDING_ABSOLUTE_IN_RELATIVE;
484 } else if (!AIPTEK_POINTER_ALLOW_STYLUS_MODE
485 (aiptek->curSetting.pointerMode)) {
486 aiptek->diagnostic = AIPTEK_DIAGNOSTIC_TOOL_DISALLOWED;
487 } else {
488 x = le16_to_cpu(get_unaligned((__le16 *) (data + 1)));
489 y = le16_to_cpu(get_unaligned((__le16 *) (data + 3)));
490 z = le16_to_cpu(get_unaligned((__le16 *) (data + 6)));
491
492 p = (data[5] & 0x01) != 0 ? 1 : 0;
493 dv = (data[5] & 0x02) != 0 ? 1 : 0;
494 tip = (data[5] & 0x04) != 0 ? 1 : 0;
495
496 /* Use jitterable to re-arrange button masks
497 */
498 jitterable = data[5] & 0x18;
499
500 bs = (data[5] & aiptek->curSetting.stylusButtonLower) != 0 ? 1 : 0;
501 pck = (data[5] & aiptek->curSetting.stylusButtonUpper) != 0 ? 1 : 0;
502
503 /* dv indicates 'data valid' (e.g., the tablet is in sync
504 * and has delivered a "correct" report) We will ignore
505 * all 'bad' reports...
506 */
507 if (dv != 0) {
508 /* If we've not already sent a tool_button_?? code, do
509 * so now. Then set FIRED_BIT so it won't be resent unless
510 * the user forces FIRED_BIT off.
511 */
512 if (TOOL_BUTTON_FIRED
513 (aiptek->curSetting.toolMode) == 0) {
514 input_report_key(inputdev,
515 TOOL_BUTTON(aiptek->curSetting.toolMode),
516 1);
517 aiptek->curSetting.toolMode |= TOOL_BUTTON_FIRED_BIT;
518 }
519
520 if (p != 0) {
521 input_report_abs(inputdev, ABS_X, x);
522 input_report_abs(inputdev, ABS_Y, y);
523 input_report_abs(inputdev, ABS_PRESSURE, z);
524
525 input_report_key(inputdev, BTN_TOUCH, tip);
526 input_report_key(inputdev, BTN_STYLUS, bs);
527 input_report_key(inputdev, BTN_STYLUS2, pck);
528
529 if (aiptek->curSetting.xTilt !=
530 AIPTEK_TILT_DISABLE) {
531 input_report_abs(inputdev,
532 ABS_TILT_X,
533 aiptek->curSetting.xTilt);
534 }
535 if (aiptek->curSetting.yTilt != AIPTEK_TILT_DISABLE) {
536 input_report_abs(inputdev,
537 ABS_TILT_Y,
538 aiptek->curSetting.yTilt);
539 }
540
541 /* Wheel support is in the form of a single-event
542 * firing.
543 */
544 if (aiptek->curSetting.wheel !=
545 AIPTEK_WHEEL_DISABLE) {
546 input_report_abs(inputdev,
547 ABS_WHEEL,
548 aiptek->curSetting.wheel);
549 aiptek->curSetting.wheel = AIPTEK_WHEEL_DISABLE;
550 }
551 }
552 input_report_abs(inputdev, ABS_MISC, p | AIPTEK_REPORT_TOOL_STYLUS);
553 input_sync(inputdev);
554 }
555 }
556 }
557 /* Report 3's come from the mouse in absolute mode.
558 */
559 else if (data[0] == 3) {
560 if (aiptek->curSetting.coordinateMode == AIPTEK_COORDINATE_RELATIVE_MODE) {
561 aiptek->diagnostic = AIPTEK_DIAGNOSTIC_SENDING_ABSOLUTE_IN_RELATIVE;
562 } else if (!AIPTEK_POINTER_ALLOW_MOUSE_MODE
563 (aiptek->curSetting.pointerMode)) {
564 aiptek->diagnostic = AIPTEK_DIAGNOSTIC_TOOL_DISALLOWED;
565 } else {
566 x = le16_to_cpu(get_unaligned((__le16 *) (data + 1)));
567 y = le16_to_cpu(get_unaligned((__le16 *) (data + 3)));
568
569 jitterable = data[5] & 0x1c;
570
571 p = (data[5] & 0x01) != 0 ? 1 : 0;
572 dv = (data[5] & 0x02) != 0 ? 1 : 0;
573 left = (data[5] & aiptek->curSetting.mouseButtonLeft) != 0 ? 1 : 0;
574 right = (data[5] & aiptek->curSetting.mouseButtonRight) != 0 ? 1 : 0;
575 middle = (data[5] & aiptek->curSetting.mouseButtonMiddle) != 0 ? 1 : 0;
576
577 if (dv != 0) {
578 /* If we've not already sent a tool_button_?? code, do
579 * so now. Then set FIRED_BIT so it won't be resent unless
580 * the user forces FIRED_BIT off.
581 */
582 if (TOOL_BUTTON_FIRED
583 (aiptek->curSetting.toolMode) == 0) {
584 input_report_key(inputdev,
585 TOOL_BUTTON(aiptek->curSetting.toolMode),
586 1);
587 aiptek->curSetting.toolMode |= TOOL_BUTTON_FIRED_BIT;
588 }
589
590 if (p != 0) {
591 input_report_abs(inputdev, ABS_X, x);
592 input_report_abs(inputdev, ABS_Y, y);
593
594 input_report_key(inputdev, BTN_LEFT, left);
595 input_report_key(inputdev, BTN_MIDDLE, middle);
596 input_report_key(inputdev, BTN_RIGHT, right);
597
598 /* Wheel support is in the form of a single-event
599 * firing.
600 */
601 if (aiptek->curSetting.wheel != AIPTEK_WHEEL_DISABLE) {
602 input_report_abs(inputdev,
603 ABS_WHEEL,
604 aiptek->curSetting.wheel);
605 aiptek->curSetting.wheel = AIPTEK_WHEEL_DISABLE;
606 }
607 }
608 input_report_rel(inputdev, REL_MISC, p | AIPTEK_REPORT_TOOL_MOUSE);
609 input_sync(inputdev);
610 }
611 }
612 }
613 /* Report 4s come from the macro keys when pressed by stylus
614 */
615 else if (data[0] == 4) {
616 jitterable = data[1] & 0x18;
617
618 p = (data[1] & 0x01) != 0 ? 1 : 0;
619 dv = (data[1] & 0x02) != 0 ? 1 : 0;
620 tip = (data[1] & 0x04) != 0 ? 1 : 0;
621 bs = (data[1] & aiptek->curSetting.stylusButtonLower) != 0 ? 1 : 0;
622 pck = (data[1] & aiptek->curSetting.stylusButtonUpper) != 0 ? 1 : 0;
623
624 macro = data[3];
625 z = le16_to_cpu(get_unaligned((__le16 *) (data + 4)));
626
627 if (dv != 0) {
628 /* If we've not already sent a tool_button_?? code, do
629 * so now. Then set FIRED_BIT so it won't be resent unless
630 * the user forces FIRED_BIT off.
631 */
632 if (TOOL_BUTTON_FIRED(aiptek->curSetting.toolMode) == 0) {
633 input_report_key(inputdev,
634 TOOL_BUTTON(aiptek->curSetting.toolMode),
635 1);
636 aiptek->curSetting.toolMode |= TOOL_BUTTON_FIRED_BIT;
637 }
638
639 if (p != 0) {
640 input_report_key(inputdev, BTN_TOUCH, tip);
641 input_report_key(inputdev, BTN_STYLUS, bs);
642 input_report_key(inputdev, BTN_STYLUS2, pck);
643 input_report_abs(inputdev, ABS_PRESSURE, z);
644 }
645
646 /* For safety, we're sending key 'break' codes for the
647 * neighboring macro keys.
648 */
649 if (macro > 0) {
650 input_report_key(inputdev,
651 macroKeyEvents[macro - 1], 0);
652 }
653 if (macro < 25) {
654 input_report_key(inputdev,
655 macroKeyEvents[macro + 1], 0);
656 }
657 input_report_key(inputdev, macroKeyEvents[macro], p);
658 input_report_abs(inputdev, ABS_MISC,
659 p | AIPTEK_REPORT_TOOL_STYLUS);
660 input_sync(inputdev);
661 }
662 }
663 /* Report 5s come from the macro keys when pressed by mouse
664 */
665 else if (data[0] == 5) {
666 jitterable = data[1] & 0x1c;
667
668 p = (data[1] & 0x01) != 0 ? 1 : 0;
669 dv = (data[1] & 0x02) != 0 ? 1 : 0;
670 left = (data[1]& aiptek->curSetting.mouseButtonLeft) != 0 ? 1 : 0;
671 right = (data[1] & aiptek->curSetting.mouseButtonRight) != 0 ? 1 : 0;
672 middle = (data[1] & aiptek->curSetting.mouseButtonMiddle) != 0 ? 1 : 0;
673 macro = data[3];
674
675 if (dv != 0) {
676 /* If we've not already sent a tool_button_?? code, do
677 * so now. Then set FIRED_BIT so it won't be resent unless
678 * the user forces FIRED_BIT off.
679 */
680 if (TOOL_BUTTON_FIRED(aiptek->curSetting.toolMode) == 0) {
681 input_report_key(inputdev,
682 TOOL_BUTTON(aiptek->curSetting.toolMode),
683 1);
684 aiptek->curSetting.toolMode |= TOOL_BUTTON_FIRED_BIT;
685 }
686
687 if (p != 0) {
688 input_report_key(inputdev, BTN_LEFT, left);
689 input_report_key(inputdev, BTN_MIDDLE, middle);
690 input_report_key(inputdev, BTN_RIGHT, right);
691 }
692
693 /* For safety, we're sending key 'break' codes for the
694 * neighboring macro keys.
695 */
696 if (macro > 0) {
697 input_report_key(inputdev,
698 macroKeyEvents[macro - 1], 0);
699 }
700 if (macro < 25) {
701 input_report_key(inputdev,
702 macroKeyEvents[macro + 1], 0);
703 }
704
705 input_report_key(inputdev, macroKeyEvents[macro], 1);
706 input_report_rel(inputdev, ABS_MISC,
707 p | AIPTEK_REPORT_TOOL_MOUSE);
708 input_sync(inputdev);
709 }
710 }
711 /* We have no idea which tool can generate a report 6. Theoretically,
712 * neither need to, having been given reports 4 & 5 for such use.
713 * However, report 6 is the 'official-looking' report for macroKeys;
714 * reports 4 & 5 supposively are used to support unnamed, unknown
715 * hat switches (which just so happen to be the macroKeys.)
716 */
717 else if (data[0] == 6) {
718 macro = le16_to_cpu(get_unaligned((__le16 *) (data + 1)));
719 if (macro > 0) {
720 input_report_key(inputdev, macroKeyEvents[macro - 1],
721 0);
722 }
723 if (macro < 25) {
724 input_report_key(inputdev, macroKeyEvents[macro + 1],
725 0);
726 }
727
728 /* If we've not already sent a tool_button_?? code, do
729 * so now. Then set FIRED_BIT so it won't be resent unless
730 * the user forces FIRED_BIT off.
731 */
732 if (TOOL_BUTTON_FIRED(aiptek->curSetting.toolMode) == 0) {
733 input_report_key(inputdev,
734 TOOL_BUTTON(aiptek->curSetting.
735 toolMode), 1);
736 aiptek->curSetting.toolMode |= TOOL_BUTTON_FIRED_BIT;
737 }
738
739 input_report_key(inputdev, macroKeyEvents[macro], 1);
740 input_report_abs(inputdev, ABS_MISC,
741 1 | AIPTEK_REPORT_TOOL_UNKNOWN);
742 input_sync(inputdev);
743 } else {
744 dbg("Unknown report %d", data[0]);
745 }
746
747 /* Jitter may occur when the user presses a button on the stlyus
748 * or the mouse. What we do to prevent that is wait 'x' milliseconds
749 * following a 'jitterable' event, which should give the hand some time
750 * stabilize itself.
751 *
752 * We just introduced aiptek->previousJitterable to carry forth the
753 * notion that jitter occurs when the button state changes from on to off:
754 * a person drawing, holding a button down is not subject to jittering.
755 * With that in mind, changing from upper button depressed to lower button
756 * WILL transition through a jitter delay.
757 */
758
759 if (aiptek->previousJitterable != jitterable &&
760 aiptek->curSetting.jitterDelay != 0 && aiptek->inDelay != 1) {
761 aiptek->endDelay = jiffies +
762 ((aiptek->curSetting.jitterDelay * HZ) / 1000);
763 aiptek->inDelay = 1;
764 }
765 aiptek->previousJitterable = jitterable;
766
767 exit:
768 retval = usb_submit_urb(urb, GFP_ATOMIC);
769 if (retval != 0) {
770 err("%s - usb_submit_urb failed with result %d",
771 __FUNCTION__, retval);
772 }
773 }
774
775 /***********************************************************************
776 * These are the USB id's known so far. We do not identify them to
777 * specific Aiptek model numbers, because there has been overlaps,
778 * use, and reuse of id's in existing models. Certain models have
779 * been known to use more than one ID, indicative perhaps of
780 * manufacturing revisions. In any event, we consider these
781 * IDs to not be model-specific nor unique.
782 */
783 static const struct usb_device_id aiptek_ids[] = {
784 {USB_DEVICE(USB_VENDOR_ID_AIPTEK, 0x01)},
785 {USB_DEVICE(USB_VENDOR_ID_AIPTEK, 0x10)},
786 {USB_DEVICE(USB_VENDOR_ID_AIPTEK, 0x20)},
787 {USB_DEVICE(USB_VENDOR_ID_AIPTEK, 0x21)},
788 {USB_DEVICE(USB_VENDOR_ID_AIPTEK, 0x22)},
789 {USB_DEVICE(USB_VENDOR_ID_AIPTEK, 0x23)},
790 {USB_DEVICE(USB_VENDOR_ID_AIPTEK, 0x24)},
791 {}
792 };
793
794 MODULE_DEVICE_TABLE(usb, aiptek_ids);
795
796 /***********************************************************************
797 * Open an instance of the tablet driver.
798 */
799 static int aiptek_open(struct input_dev *inputdev)
800 {
801 struct aiptek *aiptek = input_get_drvdata(inputdev);
802
803 aiptek->urb->dev = aiptek->usbdev;
804 if (usb_submit_urb(aiptek->urb, GFP_KERNEL) != 0)
805 return -EIO;
806
807 return 0;
808 }
809
810 /***********************************************************************
811 * Close an instance of the tablet driver.
812 */
813 static void aiptek_close(struct input_dev *inputdev)
814 {
815 struct aiptek *aiptek = input_get_drvdata(inputdev);
816
817 usb_kill_urb(aiptek->urb);
818 }
819
820 /***********************************************************************
821 * aiptek_set_report and aiptek_get_report() are borrowed from Linux 2.4.x,
822 * where they were known as usb_set_report and usb_get_report.
823 */
824 static int
825 aiptek_set_report(struct aiptek *aiptek,
826 unsigned char report_type,
827 unsigned char report_id, void *buffer, int size)
828 {
829 return usb_control_msg(aiptek->usbdev,
830 usb_sndctrlpipe(aiptek->usbdev, 0),
831 USB_REQ_SET_REPORT,
832 USB_TYPE_CLASS | USB_RECIP_INTERFACE |
833 USB_DIR_OUT, (report_type << 8) + report_id,
834 aiptek->ifnum, buffer, size, 5000);
835 }
836
837 static int
838 aiptek_get_report(struct aiptek *aiptek,
839 unsigned char report_type,
840 unsigned char report_id, void *buffer, int size)
841 {
842 return usb_control_msg(aiptek->usbdev,
843 usb_rcvctrlpipe(aiptek->usbdev, 0),
844 USB_REQ_GET_REPORT,
845 USB_TYPE_CLASS | USB_RECIP_INTERFACE |
846 USB_DIR_IN, (report_type << 8) + report_id,
847 aiptek->ifnum, buffer, size, 5000);
848 }
849
850 /***********************************************************************
851 * Send a command to the tablet.
852 */
853 static int
854 aiptek_command(struct aiptek *aiptek, unsigned char command, unsigned char data)
855 {
856 const int sizeof_buf = 3 * sizeof(u8);
857 int ret;
858 u8 *buf;
859
860 buf = kmalloc(sizeof_buf, GFP_KERNEL);
861 if (!buf)
862 return -ENOMEM;
863
864 buf[0] = 2;
865 buf[1] = command;
866 buf[2] = data;
867
868 if ((ret =
869 aiptek_set_report(aiptek, 3, 2, buf, sizeof_buf)) != sizeof_buf) {
870 dbg("aiptek_program: failed, tried to send: 0x%02x 0x%02x",
871 command, data);
872 }
873 kfree(buf);
874 return ret < 0 ? ret : 0;
875 }
876
877 /***********************************************************************
878 * Retrieve information from the tablet. Querying info is defined as first
879 * sending the {command,data} sequence as a command, followed by a wait
880 * (aka, "programmaticDelay") and then a "read" request.
881 */
882 static int
883 aiptek_query(struct aiptek *aiptek, unsigned char command, unsigned char data)
884 {
885 const int sizeof_buf = 3 * sizeof(u8);
886 int ret;
887 u8 *buf;
888
889 buf = kmalloc(sizeof_buf, GFP_KERNEL);
890 if (!buf)
891 return -ENOMEM;
892
893 buf[0] = 2;
894 buf[1] = command;
895 buf[2] = data;
896
897 if (aiptek_command(aiptek, command, data) != 0) {
898 kfree(buf);
899 return -EIO;
900 }
901 msleep(aiptek->curSetting.programmableDelay);
902
903 if ((ret =
904 aiptek_get_report(aiptek, 3, 2, buf, sizeof_buf)) != sizeof_buf) {
905 dbg("aiptek_query failed: returned 0x%02x 0x%02x 0x%02x",
906 buf[0], buf[1], buf[2]);
907 ret = -EIO;
908 } else {
909 ret = le16_to_cpu(get_unaligned((__le16 *) (buf + 1)));
910 }
911 kfree(buf);
912 return ret;
913 }
914
915 /***********************************************************************
916 * Program the tablet into either absolute or relative mode.
917 * We also get information about the tablet's size.
918 */
919 static int aiptek_program_tablet(struct aiptek *aiptek)
920 {
921 int ret;
922 /* Execute Resolution500LPI */
923 if ((ret = aiptek_command(aiptek, 0x18, 0x04)) < 0)
924 return ret;
925
926 /* Query getModelCode */
927 if ((ret = aiptek_query(aiptek, 0x02, 0x00)) < 0)
928 return ret;
929 aiptek->features.modelCode = ret & 0xff;
930
931 /* Query getODMCode */
932 if ((ret = aiptek_query(aiptek, 0x03, 0x00)) < 0)
933 return ret;
934 aiptek->features.odmCode = ret;
935
936 /* Query getFirmwareCode */
937 if ((ret = aiptek_query(aiptek, 0x04, 0x00)) < 0)
938 return ret;
939 aiptek->features.firmwareCode = ret;
940
941 /* Query getXextension */
942 if ((ret = aiptek_query(aiptek, 0x01, 0x00)) < 0)
943 return ret;
944 aiptek->inputdev->absmin[ABS_X] = 0;
945 aiptek->inputdev->absmax[ABS_X] = ret - 1;
946
947 /* Query getYextension */
948 if ((ret = aiptek_query(aiptek, 0x01, 0x01)) < 0)
949 return ret;
950 aiptek->inputdev->absmin[ABS_Y] = 0;
951 aiptek->inputdev->absmax[ABS_Y] = ret - 1;
952
953 /* Query getPressureLevels */
954 if ((ret = aiptek_query(aiptek, 0x08, 0x00)) < 0)
955 return ret;
956 aiptek->inputdev->absmin[ABS_PRESSURE] = 0;
957 aiptek->inputdev->absmax[ABS_PRESSURE] = ret - 1;
958
959 /* Depending on whether we are in absolute or relative mode, we will
960 * do a switchToTablet(absolute) or switchToMouse(relative) command.
961 */
962 if (aiptek->curSetting.coordinateMode ==
963 AIPTEK_COORDINATE_ABSOLUTE_MODE) {
964 /* Execute switchToTablet */
965 if ((ret = aiptek_command(aiptek, 0x10, 0x01)) < 0) {
966 return ret;
967 }
968 } else {
969 /* Execute switchToMouse */
970 if ((ret = aiptek_command(aiptek, 0x10, 0x00)) < 0) {
971 return ret;
972 }
973 }
974
975 /* Enable the macro keys */
976 if ((ret = aiptek_command(aiptek, 0x11, 0x02)) < 0)
977 return ret;
978 #if 0
979 /* Execute FilterOn */
980 if ((ret = aiptek_command(aiptek, 0x17, 0x00)) < 0)
981 return ret;
982 #endif
983
984 /* Execute AutoGainOn */
985 if ((ret = aiptek_command(aiptek, 0x12, 0xff)) < 0)
986 return ret;
987
988 /* Reset the eventCount, so we track events from last (re)programming
989 */
990 aiptek->diagnostic = AIPTEK_DIAGNOSTIC_NA;
991 aiptek->eventCount = 0;
992
993 return 0;
994 }
995
996 /***********************************************************************
997 * Sysfs functions. Sysfs prefers that individually-tunable parameters
998 * exist in their separate pseudo-files. Summary data that is immutable
999 * may exist in a singular file so long as you don't define a writeable
1000 * interface.
1001 */
1002
1003 /***********************************************************************
1004 * support the 'size' file -- display support
1005 */
1006 static ssize_t show_tabletSize(struct device *dev, struct device_attribute *attr, char *buf)
1007 {
1008 struct aiptek *aiptek = dev_get_drvdata(dev);
1009
1010 if (aiptek == NULL)
1011 return 0;
1012
1013 return snprintf(buf, PAGE_SIZE, "%dx%d\n",
1014 aiptek->inputdev->absmax[ABS_X] + 1,
1015 aiptek->inputdev->absmax[ABS_Y] + 1);
1016 }
1017
1018 /* These structs define the sysfs files, param #1 is the name of the
1019 * file, param 2 is the file permissions, param 3 & 4 are to the
1020 * output generator and input parser routines. Absence of a routine is
1021 * permitted -- it only means can't either 'cat' the file, or send data
1022 * to it.
1023 */
1024 static DEVICE_ATTR(size, S_IRUGO, show_tabletSize, NULL);
1025
1026 /***********************************************************************
1027 * support routines for the 'product_id' file
1028 */
1029 static ssize_t show_tabletProductId(struct device *dev, struct device_attribute *attr, char *buf)
1030 {
1031 struct aiptek *aiptek = dev_get_drvdata(dev);
1032
1033 if (aiptek == NULL)
1034 return 0;
1035
1036 return snprintf(buf, PAGE_SIZE, "0x%04x\n",
1037 aiptek->inputdev->id.product);
1038 }
1039
1040 static DEVICE_ATTR(product_id, S_IRUGO, show_tabletProductId, NULL);
1041
1042 /***********************************************************************
1043 * support routines for the 'vendor_id' file
1044 */
1045 static ssize_t show_tabletVendorId(struct device *dev, struct device_attribute *attr, char *buf)
1046 {
1047 struct aiptek *aiptek = dev_get_drvdata(dev);
1048
1049 if (aiptek == NULL)
1050 return 0;
1051
1052 return snprintf(buf, PAGE_SIZE, "0x%04x\n", aiptek->inputdev->id.vendor);
1053 }
1054
1055 static DEVICE_ATTR(vendor_id, S_IRUGO, show_tabletVendorId, NULL);
1056
1057 /***********************************************************************
1058 * support routines for the 'vendor' file
1059 */
1060 static ssize_t show_tabletManufacturer(struct device *dev, struct device_attribute *attr, char *buf)
1061 {
1062 struct aiptek *aiptek = dev_get_drvdata(dev);
1063 int retval;
1064
1065 if (aiptek == NULL)
1066 return 0;
1067
1068 retval = snprintf(buf, PAGE_SIZE, "%s\n", aiptek->usbdev->manufacturer);
1069 return retval;
1070 }
1071
1072 static DEVICE_ATTR(vendor, S_IRUGO, show_tabletManufacturer, NULL);
1073
1074 /***********************************************************************
1075 * support routines for the 'product' file
1076 */
1077 static ssize_t show_tabletProduct(struct device *dev, struct device_attribute *attr, char *buf)
1078 {
1079 struct aiptek *aiptek = dev_get_drvdata(dev);
1080 int retval;
1081
1082 if (aiptek == NULL)
1083 return 0;
1084
1085 retval = snprintf(buf, PAGE_SIZE, "%s\n", aiptek->usbdev->product);
1086 return retval;
1087 }
1088
1089 static DEVICE_ATTR(product, S_IRUGO, show_tabletProduct, NULL);
1090
1091 /***********************************************************************
1092 * support routines for the 'pointer_mode' file. Note that this file
1093 * both displays current setting and allows reprogramming.
1094 */
1095 static ssize_t show_tabletPointerMode(struct device *dev, struct device_attribute *attr, char *buf)
1096 {
1097 struct aiptek *aiptek = dev_get_drvdata(dev);
1098 char *s;
1099
1100 if (aiptek == NULL)
1101 return 0;
1102
1103 switch (aiptek->curSetting.pointerMode) {
1104 case AIPTEK_POINTER_ONLY_STYLUS_MODE:
1105 s = "stylus";
1106 break;
1107
1108 case AIPTEK_POINTER_ONLY_MOUSE_MODE:
1109 s = "mouse";
1110 break;
1111
1112 case AIPTEK_POINTER_EITHER_MODE:
1113 s = "either";
1114 break;
1115
1116 default:
1117 s = "unknown";
1118 break;
1119 }
1120 return snprintf(buf, PAGE_SIZE, "%s\n", s);
1121 }
1122
1123 static ssize_t
1124 store_tabletPointerMode(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1125 {
1126 struct aiptek *aiptek = dev_get_drvdata(dev);
1127 if (aiptek == NULL)
1128 return 0;
1129
1130 if (strcmp(buf, "stylus") == 0) {
1131 aiptek->newSetting.pointerMode =
1132 AIPTEK_POINTER_ONLY_STYLUS_MODE;
1133 } else if (strcmp(buf, "mouse") == 0) {
1134 aiptek->newSetting.pointerMode = AIPTEK_POINTER_ONLY_MOUSE_MODE;
1135 } else if (strcmp(buf, "either") == 0) {
1136 aiptek->newSetting.pointerMode = AIPTEK_POINTER_EITHER_MODE;
1137 }
1138 return count;
1139 }
1140
1141 static DEVICE_ATTR(pointer_mode,
1142 S_IRUGO | S_IWUGO,
1143 show_tabletPointerMode, store_tabletPointerMode);
1144
1145 /***********************************************************************
1146 * support routines for the 'coordinate_mode' file. Note that this file
1147 * both displays current setting and allows reprogramming.
1148 */
1149 static ssize_t show_tabletCoordinateMode(struct device *dev, struct device_attribute *attr, char *buf)
1150 {
1151 struct aiptek *aiptek = dev_get_drvdata(dev);
1152 char *s;
1153
1154 if (aiptek == NULL)
1155 return 0;
1156
1157 switch (aiptek->curSetting.coordinateMode) {
1158 case AIPTEK_COORDINATE_ABSOLUTE_MODE:
1159 s = "absolute";
1160 break;
1161
1162 case AIPTEK_COORDINATE_RELATIVE_MODE:
1163 s = "relative";
1164 break;
1165
1166 default:
1167 s = "unknown";
1168 break;
1169 }
1170 return snprintf(buf, PAGE_SIZE, "%s\n", s);
1171 }
1172
1173 static ssize_t
1174 store_tabletCoordinateMode(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1175 {
1176 struct aiptek *aiptek = dev_get_drvdata(dev);
1177 if (aiptek == NULL)
1178 return 0;
1179
1180 if (strcmp(buf, "absolute") == 0) {
1181 aiptek->newSetting.pointerMode =
1182 AIPTEK_COORDINATE_ABSOLUTE_MODE;
1183 } else if (strcmp(buf, "relative") == 0) {
1184 aiptek->newSetting.pointerMode =
1185 AIPTEK_COORDINATE_RELATIVE_MODE;
1186 }
1187 return count;
1188 }
1189
1190 static DEVICE_ATTR(coordinate_mode,
1191 S_IRUGO | S_IWUGO,
1192 show_tabletCoordinateMode, store_tabletCoordinateMode);
1193
1194 /***********************************************************************
1195 * support routines for the 'tool_mode' file. Note that this file
1196 * both displays current setting and allows reprogramming.
1197 */
1198 static ssize_t show_tabletToolMode(struct device *dev, struct device_attribute *attr, char *buf)
1199 {
1200 struct aiptek *aiptek = dev_get_drvdata(dev);
1201 char *s;
1202
1203 if (aiptek == NULL)
1204 return 0;
1205
1206 switch (TOOL_BUTTON(aiptek->curSetting.toolMode)) {
1207 case AIPTEK_TOOL_BUTTON_MOUSE_MODE:
1208 s = "mouse";
1209 break;
1210
1211 case AIPTEK_TOOL_BUTTON_ERASER_MODE:
1212 s = "eraser";
1213 break;
1214
1215 case AIPTEK_TOOL_BUTTON_PENCIL_MODE:
1216 s = "pencil";
1217 break;
1218
1219 case AIPTEK_TOOL_BUTTON_PEN_MODE:
1220 s = "pen";
1221 break;
1222
1223 case AIPTEK_TOOL_BUTTON_BRUSH_MODE:
1224 s = "brush";
1225 break;
1226
1227 case AIPTEK_TOOL_BUTTON_AIRBRUSH_MODE:
1228 s = "airbrush";
1229 break;
1230
1231 case AIPTEK_TOOL_BUTTON_LENS_MODE:
1232 s = "lens";
1233 break;
1234
1235 default:
1236 s = "unknown";
1237 break;
1238 }
1239 return snprintf(buf, PAGE_SIZE, "%s\n", s);
1240 }
1241
1242 static ssize_t
1243 store_tabletToolMode(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1244 {
1245 struct aiptek *aiptek = dev_get_drvdata(dev);
1246 if (aiptek == NULL)
1247 return 0;
1248
1249 if (strcmp(buf, "mouse") == 0) {
1250 aiptek->newSetting.toolMode = AIPTEK_TOOL_BUTTON_MOUSE_MODE;
1251 } else if (strcmp(buf, "eraser") == 0) {
1252 aiptek->newSetting.toolMode = AIPTEK_TOOL_BUTTON_ERASER_MODE;
1253 } else if (strcmp(buf, "pencil") == 0) {
1254 aiptek->newSetting.toolMode = AIPTEK_TOOL_BUTTON_PENCIL_MODE;
1255 } else if (strcmp(buf, "pen") == 0) {
1256 aiptek->newSetting.toolMode = AIPTEK_TOOL_BUTTON_PEN_MODE;
1257 } else if (strcmp(buf, "brush") == 0) {
1258 aiptek->newSetting.toolMode = AIPTEK_TOOL_BUTTON_BRUSH_MODE;
1259 } else if (strcmp(buf, "airbrush") == 0) {
1260 aiptek->newSetting.toolMode = AIPTEK_TOOL_BUTTON_AIRBRUSH_MODE;
1261 } else if (strcmp(buf, "lens") == 0) {
1262 aiptek->newSetting.toolMode = AIPTEK_TOOL_BUTTON_LENS_MODE;
1263 }
1264
1265 return count;
1266 }
1267
1268 static DEVICE_ATTR(tool_mode,
1269 S_IRUGO | S_IWUGO,
1270 show_tabletToolMode, store_tabletToolMode);
1271
1272 /***********************************************************************
1273 * support routines for the 'xtilt' file. Note that this file
1274 * both displays current setting and allows reprogramming.
1275 */
1276 static ssize_t show_tabletXtilt(struct device *dev, struct device_attribute *attr, char *buf)
1277 {
1278 struct aiptek *aiptek = dev_get_drvdata(dev);
1279
1280 if (aiptek == NULL)
1281 return 0;
1282
1283 if (aiptek->curSetting.xTilt == AIPTEK_TILT_DISABLE) {
1284 return snprintf(buf, PAGE_SIZE, "disable\n");
1285 } else {
1286 return snprintf(buf, PAGE_SIZE, "%d\n",
1287 aiptek->curSetting.xTilt);
1288 }
1289 }
1290
1291 static ssize_t
1292 store_tabletXtilt(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1293 {
1294 struct aiptek *aiptek = dev_get_drvdata(dev);
1295 int x;
1296
1297 if (aiptek == NULL)
1298 return 0;
1299
1300 if (strcmp(buf, "disable") == 0) {
1301 aiptek->newSetting.xTilt = AIPTEK_TILT_DISABLE;
1302 } else {
1303 x = (int)simple_strtol(buf, NULL, 10);
1304 if (x >= AIPTEK_TILT_MIN && x <= AIPTEK_TILT_MAX) {
1305 aiptek->newSetting.xTilt = x;
1306 }
1307 }
1308 return count;
1309 }
1310
1311 static DEVICE_ATTR(xtilt,
1312 S_IRUGO | S_IWUGO, show_tabletXtilt, store_tabletXtilt);
1313
1314 /***********************************************************************
1315 * support routines for the 'ytilt' file. Note that this file
1316 * both displays current setting and allows reprogramming.
1317 */
1318 static ssize_t show_tabletYtilt(struct device *dev, struct device_attribute *attr, char *buf)
1319 {
1320 struct aiptek *aiptek = dev_get_drvdata(dev);
1321
1322 if (aiptek == NULL)
1323 return 0;
1324
1325 if (aiptek->curSetting.yTilt == AIPTEK_TILT_DISABLE) {
1326 return snprintf(buf, PAGE_SIZE, "disable\n");
1327 } else {
1328 return snprintf(buf, PAGE_SIZE, "%d\n",
1329 aiptek->curSetting.yTilt);
1330 }
1331 }
1332
1333 static ssize_t
1334 store_tabletYtilt(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1335 {
1336 struct aiptek *aiptek = dev_get_drvdata(dev);
1337 int y;
1338
1339 if (aiptek == NULL)
1340 return 0;
1341
1342 if (strcmp(buf, "disable") == 0) {
1343 aiptek->newSetting.yTilt = AIPTEK_TILT_DISABLE;
1344 } else {
1345 y = (int)simple_strtol(buf, NULL, 10);
1346 if (y >= AIPTEK_TILT_MIN && y <= AIPTEK_TILT_MAX) {
1347 aiptek->newSetting.yTilt = y;
1348 }
1349 }
1350 return count;
1351 }
1352
1353 static DEVICE_ATTR(ytilt,
1354 S_IRUGO | S_IWUGO, show_tabletYtilt, store_tabletYtilt);
1355
1356 /***********************************************************************
1357 * support routines for the 'jitter' file. Note that this file
1358 * both displays current setting and allows reprogramming.
1359 */
1360 static ssize_t show_tabletJitterDelay(struct device *dev, struct device_attribute *attr, char *buf)
1361 {
1362 struct aiptek *aiptek = dev_get_drvdata(dev);
1363
1364 if (aiptek == NULL)
1365 return 0;
1366
1367 return snprintf(buf, PAGE_SIZE, "%d\n", aiptek->curSetting.jitterDelay);
1368 }
1369
1370 static ssize_t
1371 store_tabletJitterDelay(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1372 {
1373 struct aiptek *aiptek = dev_get_drvdata(dev);
1374
1375 if (aiptek == NULL)
1376 return 0;
1377
1378 aiptek->newSetting.jitterDelay = (int)simple_strtol(buf, NULL, 10);
1379 return count;
1380 }
1381
1382 static DEVICE_ATTR(jitter,
1383 S_IRUGO | S_IWUGO,
1384 show_tabletJitterDelay, store_tabletJitterDelay);
1385
1386 /***********************************************************************
1387 * support routines for the 'delay' file. Note that this file
1388 * both displays current setting and allows reprogramming.
1389 */
1390 static ssize_t show_tabletProgrammableDelay(struct device *dev, struct device_attribute *attr, char *buf)
1391 {
1392 struct aiptek *aiptek = dev_get_drvdata(dev);
1393
1394 if (aiptek == NULL)
1395 return 0;
1396
1397 return snprintf(buf, PAGE_SIZE, "%d\n",
1398 aiptek->curSetting.programmableDelay);
1399 }
1400
1401 static ssize_t
1402 store_tabletProgrammableDelay(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1403 {
1404 struct aiptek *aiptek = dev_get_drvdata(dev);
1405
1406 if (aiptek == NULL)
1407 return 0;
1408
1409 aiptek->newSetting.programmableDelay = (int)simple_strtol(buf, NULL, 10);
1410 return count;
1411 }
1412
1413 static DEVICE_ATTR(delay,
1414 S_IRUGO | S_IWUGO,
1415 show_tabletProgrammableDelay, store_tabletProgrammableDelay);
1416
1417 /***********************************************************************
1418 * support routines for the 'input_path' file. Note that this file
1419 * only displays current setting.
1420 */
1421 static ssize_t show_tabletInputDevice(struct device *dev, struct device_attribute *attr, char *buf)
1422 {
1423 struct aiptek *aiptek = dev_get_drvdata(dev);
1424
1425 if (aiptek == NULL)
1426 return 0;
1427
1428 return snprintf(buf, PAGE_SIZE, "/dev/input/%s\n",
1429 aiptek->features.inputPath);
1430 }
1431
1432 static DEVICE_ATTR(input_path, S_IRUGO, show_tabletInputDevice, NULL);
1433
1434 /***********************************************************************
1435 * support routines for the 'event_count' file. Note that this file
1436 * only displays current setting.
1437 */
1438 static ssize_t show_tabletEventsReceived(struct device *dev, struct device_attribute *attr, char *buf)
1439 {
1440 struct aiptek *aiptek = dev_get_drvdata(dev);
1441
1442 if (aiptek == NULL)
1443 return 0;
1444
1445 return snprintf(buf, PAGE_SIZE, "%ld\n", aiptek->eventCount);
1446 }
1447
1448 static DEVICE_ATTR(event_count, S_IRUGO, show_tabletEventsReceived, NULL);
1449
1450 /***********************************************************************
1451 * support routines for the 'diagnostic' file. Note that this file
1452 * only displays current setting.
1453 */
1454 static ssize_t show_tabletDiagnosticMessage(struct device *dev, struct device_attribute *attr, char *buf)
1455 {
1456 struct aiptek *aiptek = dev_get_drvdata(dev);
1457 char *retMsg;
1458
1459 if (aiptek == NULL)
1460 return 0;
1461
1462 switch (aiptek->diagnostic) {
1463 case AIPTEK_DIAGNOSTIC_NA:
1464 retMsg = "no errors\n";
1465 break;
1466
1467 case AIPTEK_DIAGNOSTIC_SENDING_RELATIVE_IN_ABSOLUTE:
1468 retMsg = "Error: receiving relative reports\n";
1469 break;
1470
1471 case AIPTEK_DIAGNOSTIC_SENDING_ABSOLUTE_IN_RELATIVE:
1472 retMsg = "Error: receiving absolute reports\n";
1473 break;
1474
1475 case AIPTEK_DIAGNOSTIC_TOOL_DISALLOWED:
1476 if (aiptek->curSetting.pointerMode ==
1477 AIPTEK_POINTER_ONLY_MOUSE_MODE) {
1478 retMsg = "Error: receiving stylus reports\n";
1479 } else {
1480 retMsg = "Error: receiving mouse reports\n";
1481 }
1482 break;
1483
1484 default:
1485 return 0;
1486 }
1487 return snprintf(buf, PAGE_SIZE, retMsg);
1488 }
1489
1490 static DEVICE_ATTR(diagnostic, S_IRUGO, show_tabletDiagnosticMessage, NULL);
1491
1492 /***********************************************************************
1493 * support routines for the 'stylus_upper' file. Note that this file
1494 * both displays current setting and allows for setting changing.
1495 */
1496 static ssize_t show_tabletStylusUpper(struct device *dev, struct device_attribute *attr, char *buf)
1497 {
1498 struct aiptek *aiptek = dev_get_drvdata(dev);
1499 char *s;
1500
1501 if (aiptek == NULL)
1502 return 0;
1503
1504 switch (aiptek->curSetting.stylusButtonUpper) {
1505 case AIPTEK_STYLUS_UPPER_BUTTON:
1506 s = "upper";
1507 break;
1508
1509 case AIPTEK_STYLUS_LOWER_BUTTON:
1510 s = "lower";
1511 break;
1512
1513 default:
1514 s = "unknown";
1515 break;
1516 }
1517 return snprintf(buf, PAGE_SIZE, "%s\n", s);
1518 }
1519
1520 static ssize_t
1521 store_tabletStylusUpper(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1522 {
1523 struct aiptek *aiptek = dev_get_drvdata(dev);
1524
1525 if (aiptek == NULL)
1526 return 0;
1527
1528 if (strcmp(buf, "upper") == 0) {
1529 aiptek->newSetting.stylusButtonUpper =
1530 AIPTEK_STYLUS_UPPER_BUTTON;
1531 } else if (strcmp(buf, "lower") == 0) {
1532 aiptek->newSetting.stylusButtonUpper =
1533 AIPTEK_STYLUS_LOWER_BUTTON;
1534 }
1535 return count;
1536 }
1537
1538 static DEVICE_ATTR(stylus_upper,
1539 S_IRUGO | S_IWUGO,
1540 show_tabletStylusUpper, store_tabletStylusUpper);
1541
1542 /***********************************************************************
1543 * support routines for the 'stylus_lower' file. Note that this file
1544 * both displays current setting and allows for setting changing.
1545 */
1546 static ssize_t show_tabletStylusLower(struct device *dev, struct device_attribute *attr, char *buf)
1547 {
1548 struct aiptek *aiptek = dev_get_drvdata(dev);
1549 char *s;
1550
1551 if (aiptek == NULL)
1552 return 0;
1553
1554 switch (aiptek->curSetting.stylusButtonLower) {
1555 case AIPTEK_STYLUS_UPPER_BUTTON:
1556 s = "upper";
1557 break;
1558
1559 case AIPTEK_STYLUS_LOWER_BUTTON:
1560 s = "lower";
1561 break;
1562
1563 default:
1564 s = "unknown";
1565 break;
1566 }
1567 return snprintf(buf, PAGE_SIZE, "%s\n", s);
1568 }
1569
1570 static ssize_t
1571 store_tabletStylusLower(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1572 {
1573 struct aiptek *aiptek = dev_get_drvdata(dev);
1574
1575 if (aiptek == NULL)
1576 return 0;
1577
1578 if (strcmp(buf, "upper") == 0) {
1579 aiptek->newSetting.stylusButtonLower =
1580 AIPTEK_STYLUS_UPPER_BUTTON;
1581 } else if (strcmp(buf, "lower") == 0) {
1582 aiptek->newSetting.stylusButtonLower =
1583 AIPTEK_STYLUS_LOWER_BUTTON;
1584 }
1585 return count;
1586 }
1587
1588 static DEVICE_ATTR(stylus_lower,
1589 S_IRUGO | S_IWUGO,
1590 show_tabletStylusLower, store_tabletStylusLower);
1591
1592 /***********************************************************************
1593 * support routines for the 'mouse_left' file. Note that this file
1594 * both displays current setting and allows for setting changing.
1595 */
1596 static ssize_t show_tabletMouseLeft(struct device *dev, struct device_attribute *attr, char *buf)
1597 {
1598 struct aiptek *aiptek = dev_get_drvdata(dev);
1599 char *s;
1600
1601 if (aiptek == NULL)
1602 return 0;
1603
1604 switch (aiptek->curSetting.mouseButtonLeft) {
1605 case AIPTEK_MOUSE_LEFT_BUTTON:
1606 s = "left";
1607 break;
1608
1609 case AIPTEK_MOUSE_MIDDLE_BUTTON:
1610 s = "middle";
1611 break;
1612
1613 case AIPTEK_MOUSE_RIGHT_BUTTON:
1614 s = "right";
1615 break;
1616
1617 default:
1618 s = "unknown";
1619 break;
1620 }
1621 return snprintf(buf, PAGE_SIZE, "%s\n", s);
1622 }
1623
1624 static ssize_t
1625 store_tabletMouseLeft(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1626 {
1627 struct aiptek *aiptek = dev_get_drvdata(dev);
1628
1629 if (aiptek == NULL)
1630 return 0;
1631
1632 if (strcmp(buf, "left") == 0) {
1633 aiptek->newSetting.mouseButtonLeft = AIPTEK_MOUSE_LEFT_BUTTON;
1634 } else if (strcmp(buf, "middle") == 0) {
1635 aiptek->newSetting.mouseButtonLeft = AIPTEK_MOUSE_MIDDLE_BUTTON;
1636 } else if (strcmp(buf, "right") == 0) {
1637 aiptek->newSetting.mouseButtonLeft = AIPTEK_MOUSE_RIGHT_BUTTON;
1638 }
1639 return count;
1640 }
1641
1642 static DEVICE_ATTR(mouse_left,
1643 S_IRUGO | S_IWUGO,
1644 show_tabletMouseLeft, store_tabletMouseLeft);
1645
1646 /***********************************************************************
1647 * support routines for the 'mouse_middle' file. Note that this file
1648 * both displays current setting and allows for setting changing.
1649 */
1650 static ssize_t show_tabletMouseMiddle(struct device *dev, struct device_attribute *attr, char *buf)
1651 {
1652 struct aiptek *aiptek = dev_get_drvdata(dev);
1653 char *s;
1654
1655 if (aiptek == NULL)
1656 return 0;
1657
1658 switch (aiptek->curSetting.mouseButtonMiddle) {
1659 case AIPTEK_MOUSE_LEFT_BUTTON:
1660 s = "left";
1661 break;
1662
1663 case AIPTEK_MOUSE_MIDDLE_BUTTON:
1664 s = "middle";
1665 break;
1666
1667 case AIPTEK_MOUSE_RIGHT_BUTTON:
1668 s = "right";
1669 break;
1670
1671 default:
1672 s = "unknown";
1673 break;
1674 }
1675 return snprintf(buf, PAGE_SIZE, "%s\n", s);
1676 }
1677
1678 static ssize_t
1679 store_tabletMouseMiddle(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1680 {
1681 struct aiptek *aiptek = dev_get_drvdata(dev);
1682
1683 if (aiptek == NULL)
1684 return 0;
1685
1686 if (strcmp(buf, "left") == 0) {
1687 aiptek->newSetting.mouseButtonMiddle = AIPTEK_MOUSE_LEFT_BUTTON;
1688 } else if (strcmp(buf, "middle") == 0) {
1689 aiptek->newSetting.mouseButtonMiddle =
1690 AIPTEK_MOUSE_MIDDLE_BUTTON;
1691 } else if (strcmp(buf, "right") == 0) {
1692 aiptek->newSetting.mouseButtonMiddle =
1693 AIPTEK_MOUSE_RIGHT_BUTTON;
1694 }
1695 return count;
1696 }
1697
1698 static DEVICE_ATTR(mouse_middle,
1699 S_IRUGO | S_IWUGO,
1700 show_tabletMouseMiddle, store_tabletMouseMiddle);
1701
1702 /***********************************************************************
1703 * support routines for the 'mouse_right' file. Note that this file
1704 * both displays current setting and allows for setting changing.
1705 */
1706 static ssize_t show_tabletMouseRight(struct device *dev, struct device_attribute *attr, char *buf)
1707 {
1708 struct aiptek *aiptek = dev_get_drvdata(dev);
1709 char *s;
1710
1711 if (aiptek == NULL)
1712 return 0;
1713
1714 switch (aiptek->curSetting.mouseButtonRight) {
1715 case AIPTEK_MOUSE_LEFT_BUTTON:
1716 s = "left";
1717 break;
1718
1719 case AIPTEK_MOUSE_MIDDLE_BUTTON:
1720 s = "middle";
1721 break;
1722
1723 case AIPTEK_MOUSE_RIGHT_BUTTON:
1724 s = "right";
1725 break;
1726
1727 default:
1728 s = "unknown";
1729 break;
1730 }
1731 return snprintf(buf, PAGE_SIZE, "%s\n", s);
1732 }
1733
1734 static ssize_t
1735 store_tabletMouseRight(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1736 {
1737 struct aiptek *aiptek = dev_get_drvdata(dev);
1738
1739 if (aiptek == NULL)
1740 return 0;
1741
1742 if (strcmp(buf, "left") == 0) {
1743 aiptek->newSetting.mouseButtonRight = AIPTEK_MOUSE_LEFT_BUTTON;
1744 } else if (strcmp(buf, "middle") == 0) {
1745 aiptek->newSetting.mouseButtonRight =
1746 AIPTEK_MOUSE_MIDDLE_BUTTON;
1747 } else if (strcmp(buf, "right") == 0) {
1748 aiptek->newSetting.mouseButtonRight = AIPTEK_MOUSE_RIGHT_BUTTON;
1749 }
1750 return count;
1751 }
1752
1753 static DEVICE_ATTR(mouse_right,
1754 S_IRUGO | S_IWUGO,
1755 show_tabletMouseRight, store_tabletMouseRight);
1756
1757 /***********************************************************************
1758 * support routines for the 'wheel' file. Note that this file
1759 * both displays current setting and allows for setting changing.
1760 */
1761 static ssize_t show_tabletWheel(struct device *dev, struct device_attribute *attr, char *buf)
1762 {
1763 struct aiptek *aiptek = dev_get_drvdata(dev);
1764
1765 if (aiptek == NULL)
1766 return 0;
1767
1768 if (aiptek->curSetting.wheel == AIPTEK_WHEEL_DISABLE) {
1769 return snprintf(buf, PAGE_SIZE, "disable\n");
1770 } else {
1771 return snprintf(buf, PAGE_SIZE, "%d\n",
1772 aiptek->curSetting.wheel);
1773 }
1774 }
1775
1776 static ssize_t
1777 store_tabletWheel(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1778 {
1779 struct aiptek *aiptek = dev_get_drvdata(dev);
1780
1781 if (aiptek == NULL)
1782 return 0;
1783
1784 aiptek->newSetting.wheel = (int)simple_strtol(buf, NULL, 10);
1785 return count;
1786 }
1787
1788 static DEVICE_ATTR(wheel,
1789 S_IRUGO | S_IWUGO, show_tabletWheel, store_tabletWheel);
1790
1791 /***********************************************************************
1792 * support routines for the 'execute' file. Note that this file
1793 * both displays current setting and allows for setting changing.
1794 */
1795 static ssize_t show_tabletExecute(struct device *dev, struct device_attribute *attr, char *buf)
1796 {
1797 struct aiptek *aiptek = dev_get_drvdata(dev);
1798
1799 if (aiptek == NULL)
1800 return 0;
1801
1802 /* There is nothing useful to display, so a one-line manual
1803 * is in order...
1804 */
1805 return snprintf(buf, PAGE_SIZE,
1806 "Write anything to this file to program your tablet.\n");
1807 }
1808
1809 static ssize_t
1810 store_tabletExecute(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1811 {
1812 struct aiptek *aiptek = dev_get_drvdata(dev);
1813
1814 if (aiptek == NULL)
1815 return 0;
1816
1817 /* We do not care what you write to this file. Merely the action
1818 * of writing to this file triggers a tablet reprogramming.
1819 */
1820 memcpy(&aiptek->curSetting, &aiptek->newSetting,
1821 sizeof(struct aiptek_settings));
1822
1823 if (aiptek_program_tablet(aiptek) < 0)
1824 return -EIO;
1825
1826 return count;
1827 }
1828
1829 static DEVICE_ATTR(execute,
1830 S_IRUGO | S_IWUGO, show_tabletExecute, store_tabletExecute);
1831
1832 /***********************************************************************
1833 * support routines for the 'odm_code' file. Note that this file
1834 * only displays current setting.
1835 */
1836 static ssize_t show_tabletODMCode(struct device *dev, struct device_attribute *attr, char *buf)
1837 {
1838 struct aiptek *aiptek = dev_get_drvdata(dev);
1839
1840 if (aiptek == NULL)
1841 return 0;
1842
1843 return snprintf(buf, PAGE_SIZE, "0x%04x\n", aiptek->features.odmCode);
1844 }
1845
1846 static DEVICE_ATTR(odm_code, S_IRUGO, show_tabletODMCode, NULL);
1847
1848 /***********************************************************************
1849 * support routines for the 'model_code' file. Note that this file
1850 * only displays current setting.
1851 */
1852 static ssize_t show_tabletModelCode(struct device *dev, struct device_attribute *attr, char *buf)
1853 {
1854 struct aiptek *aiptek = dev_get_drvdata(dev);
1855
1856 if (aiptek == NULL)
1857 return 0;
1858
1859 return snprintf(buf, PAGE_SIZE, "0x%04x\n", aiptek->features.modelCode);
1860 }
1861
1862 static DEVICE_ATTR(model_code, S_IRUGO, show_tabletModelCode, NULL);
1863
1864 /***********************************************************************
1865 * support routines for the 'firmware_code' file. Note that this file
1866 * only displays current setting.
1867 */
1868 static ssize_t show_firmwareCode(struct device *dev, struct device_attribute *attr, char *buf)
1869 {
1870 struct aiptek *aiptek = dev_get_drvdata(dev);
1871
1872 if (aiptek == NULL)
1873 return 0;
1874
1875 return snprintf(buf, PAGE_SIZE, "%04x\n",
1876 aiptek->features.firmwareCode);
1877 }
1878
1879 static DEVICE_ATTR(firmware_code, S_IRUGO, show_firmwareCode, NULL);
1880
1881 /***********************************************************************
1882 * This routine removes all existing sysfs files managed by this device
1883 * driver.
1884 */
1885 static void aiptek_delete_files(struct device *dev)
1886 {
1887 device_remove_file(dev, &dev_attr_size);
1888 device_remove_file(dev, &dev_attr_product_id);
1889 device_remove_file(dev, &dev_attr_vendor_id);
1890 device_remove_file(dev, &dev_attr_vendor);
1891 device_remove_file(dev, &dev_attr_product);
1892 device_remove_file(dev, &dev_attr_pointer_mode);
1893 device_remove_file(dev, &dev_attr_coordinate_mode);
1894 device_remove_file(dev, &dev_attr_tool_mode);
1895 device_remove_file(dev, &dev_attr_xtilt);
1896 device_remove_file(dev, &dev_attr_ytilt);
1897 device_remove_file(dev, &dev_attr_jitter);
1898 device_remove_file(dev, &dev_attr_delay);
1899 device_remove_file(dev, &dev_attr_input_path);
1900 device_remove_file(dev, &dev_attr_event_count);
1901 device_remove_file(dev, &dev_attr_diagnostic);
1902 device_remove_file(dev, &dev_attr_odm_code);
1903 device_remove_file(dev, &dev_attr_model_code);
1904 device_remove_file(dev, &dev_attr_firmware_code);
1905 device_remove_file(dev, &dev_attr_stylus_lower);
1906 device_remove_file(dev, &dev_attr_stylus_upper);
1907 device_remove_file(dev, &dev_attr_mouse_left);
1908 device_remove_file(dev, &dev_attr_mouse_middle);
1909 device_remove_file(dev, &dev_attr_mouse_right);
1910 device_remove_file(dev, &dev_attr_wheel);
1911 device_remove_file(dev, &dev_attr_execute);
1912 }
1913
1914 /***********************************************************************
1915 * This routine creates the sysfs files managed by this device
1916 * driver.
1917 */
1918 static int aiptek_add_files(struct device *dev)
1919 {
1920 int ret;
1921
1922 if ((ret = device_create_file(dev, &dev_attr_size)) ||
1923 (ret = device_create_file(dev, &dev_attr_product_id)) ||
1924 (ret = device_create_file(dev, &dev_attr_vendor_id)) ||
1925 (ret = device_create_file(dev, &dev_attr_vendor)) ||
1926 (ret = device_create_file(dev, &dev_attr_product)) ||
1927 (ret = device_create_file(dev, &dev_attr_pointer_mode)) ||
1928 (ret = device_create_file(dev, &dev_attr_coordinate_mode)) ||
1929 (ret = device_create_file(dev, &dev_attr_tool_mode)) ||
1930 (ret = device_create_file(dev, &dev_attr_xtilt)) ||
1931 (ret = device_create_file(dev, &dev_attr_ytilt)) ||
1932 (ret = device_create_file(dev, &dev_attr_jitter)) ||
1933 (ret = device_create_file(dev, &dev_attr_delay)) ||
1934 (ret = device_create_file(dev, &dev_attr_input_path)) ||
1935 (ret = device_create_file(dev, &dev_attr_event_count)) ||
1936 (ret = device_create_file(dev, &dev_attr_diagnostic)) ||
1937 (ret = device_create_file(dev, &dev_attr_odm_code)) ||
1938 (ret = device_create_file(dev, &dev_attr_model_code)) ||
1939 (ret = device_create_file(dev, &dev_attr_firmware_code)) ||
1940 (ret = device_create_file(dev, &dev_attr_stylus_lower)) ||
1941 (ret = device_create_file(dev, &dev_attr_stylus_upper)) ||
1942 (ret = device_create_file(dev, &dev_attr_mouse_left)) ||
1943 (ret = device_create_file(dev, &dev_attr_mouse_middle)) ||
1944 (ret = device_create_file(dev, &dev_attr_mouse_right)) ||
1945 (ret = device_create_file(dev, &dev_attr_wheel)) ||
1946 (ret = device_create_file(dev, &dev_attr_execute))) {
1947 err("aiptek: killing own sysfs device files\n");
1948 aiptek_delete_files(dev);
1949 }
1950 return ret;
1951 }
1952
1953 /***********************************************************************
1954 * This routine is called when a tablet has been identified. It basically
1955 * sets up the tablet and the driver's internal structures.
1956 */
1957 static int
1958 aiptek_probe(struct usb_interface *intf, const struct usb_device_id *id)
1959 {
1960 struct usb_device *usbdev = interface_to_usbdev(intf);
1961 struct usb_endpoint_descriptor *endpoint;
1962 struct aiptek *aiptek;
1963 struct input_dev *inputdev;
1964 struct input_handle *inputhandle;
1965 struct list_head *node, *next;
1966 int i;
1967 int speeds[] = { 0,
1968 AIPTEK_PROGRAMMABLE_DELAY_50,
1969 AIPTEK_PROGRAMMABLE_DELAY_400,
1970 AIPTEK_PROGRAMMABLE_DELAY_25,
1971 AIPTEK_PROGRAMMABLE_DELAY_100,
1972 AIPTEK_PROGRAMMABLE_DELAY_200,
1973 AIPTEK_PROGRAMMABLE_DELAY_300
1974 };
1975 int err = -ENOMEM;
1976
1977 /* programmableDelay is where the command-line specified
1978 * delay is kept. We make it the first element of speeds[],
1979 * so therefore, your override speed is tried first, then the
1980 * remainder. Note that the default value of 400ms will be tried
1981 * if you do not specify any command line parameter.
1982 */
1983 speeds[0] = programmableDelay;
1984
1985 aiptek = kzalloc(sizeof(struct aiptek), GFP_KERNEL);
1986 inputdev = input_allocate_device();
1987 if (!aiptek || !inputdev)
1988 goto fail1;
1989
1990 aiptek->data = usb_buffer_alloc(usbdev, AIPTEK_PACKET_LENGTH,
1991 GFP_ATOMIC, &aiptek->data_dma);
1992 if (!aiptek->data)
1993 goto fail1;
1994
1995 aiptek->urb = usb_alloc_urb(0, GFP_KERNEL);
1996 if (!aiptek->urb)
1997 goto fail2;
1998
1999 aiptek->inputdev = inputdev;
2000 aiptek->usbdev = usbdev;
2001 aiptek->ifnum = intf->altsetting[0].desc.bInterfaceNumber;
2002 aiptek->inDelay = 0;
2003 aiptek->endDelay = 0;
2004 aiptek->previousJitterable = 0;
2005
2006 /* Set up the curSettings struct. Said struct contains the current
2007 * programmable parameters. The newSetting struct contains changes
2008 * the user makes to the settings via the sysfs interface. Those
2009 * changes are not "committed" to curSettings until the user
2010 * writes to the sysfs/.../execute file.
2011 */
2012 aiptek->curSetting.pointerMode = AIPTEK_POINTER_EITHER_MODE;
2013 aiptek->curSetting.coordinateMode = AIPTEK_COORDINATE_ABSOLUTE_MODE;
2014 aiptek->curSetting.toolMode = AIPTEK_TOOL_BUTTON_PEN_MODE;
2015 aiptek->curSetting.xTilt = AIPTEK_TILT_DISABLE;
2016 aiptek->curSetting.yTilt = AIPTEK_TILT_DISABLE;
2017 aiptek->curSetting.mouseButtonLeft = AIPTEK_MOUSE_LEFT_BUTTON;
2018 aiptek->curSetting.mouseButtonMiddle = AIPTEK_MOUSE_MIDDLE_BUTTON;
2019 aiptek->curSetting.mouseButtonRight = AIPTEK_MOUSE_RIGHT_BUTTON;
2020 aiptek->curSetting.stylusButtonUpper = AIPTEK_STYLUS_UPPER_BUTTON;
2021 aiptek->curSetting.stylusButtonLower = AIPTEK_STYLUS_LOWER_BUTTON;
2022 aiptek->curSetting.jitterDelay = jitterDelay;
2023 aiptek->curSetting.programmableDelay = programmableDelay;
2024
2025 /* Both structs should have equivalent settings
2026 */
2027 aiptek->newSetting = aiptek->curSetting;
2028
2029 /* Determine the usb devices' physical path.
2030 * Asketh not why we always pretend we're using "../input0",
2031 * but I suspect this will have to be refactored one
2032 * day if a single USB device can be a keyboard & a mouse
2033 * & a tablet, and the inputX number actually will tell
2034 * us something...
2035 */
2036 usb_make_path(usbdev, aiptek->features.usbPath,
2037 sizeof(aiptek->features.usbPath));
2038 strlcat(aiptek->features.usbPath, "/input0",
2039 sizeof(aiptek->features.usbPath));
2040
2041 /* Set up client data, pointers to open and close routines
2042 * for the input device.
2043 */
2044 inputdev->name = "Aiptek";
2045 inputdev->phys = aiptek->features.usbPath;
2046 usb_to_input_id(usbdev, &inputdev->id);
2047 inputdev->dev.parent = &intf->dev;
2048
2049 input_set_drvdata(inputdev, aiptek);
2050
2051 inputdev->open = aiptek_open;
2052 inputdev->close = aiptek_close;
2053
2054 /* Now program the capacities of the tablet, in terms of being
2055 * an input device.
2056 */
2057 inputdev->evbit[0] |= BIT(EV_KEY)
2058 | BIT(EV_ABS)
2059 | BIT(EV_REL)
2060 | BIT(EV_MSC);
2061
2062 inputdev->absbit[0] |= BIT(ABS_MISC);
2063
2064 inputdev->relbit[0] |=
2065 (BIT(REL_X) | BIT(REL_Y) | BIT(REL_WHEEL) | BIT(REL_MISC));
2066
2067 inputdev->keybit[LONG(BTN_LEFT)] |=
2068 (BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE));
2069
2070 inputdev->keybit[LONG(BTN_DIGI)] |=
2071 (BIT(BTN_TOOL_PEN) |
2072 BIT(BTN_TOOL_RUBBER) |
2073 BIT(BTN_TOOL_PENCIL) |
2074 BIT(BTN_TOOL_AIRBRUSH) |
2075 BIT(BTN_TOOL_BRUSH) |
2076 BIT(BTN_TOOL_MOUSE) |
2077 BIT(BTN_TOOL_LENS) |
2078 BIT(BTN_TOUCH) | BIT(BTN_STYLUS) | BIT(BTN_STYLUS2));
2079
2080 inputdev->mscbit[0] = BIT(MSC_SERIAL);
2081
2082 /* Programming the tablet macro keys needs to be done with a for loop
2083 * as the keycodes are discontiguous.
2084 */
2085 for (i = 0; i < ARRAY_SIZE(macroKeyEvents); ++i)
2086 set_bit(macroKeyEvents[i], inputdev->keybit);
2087
2088 /*
2089 * Program the input device coordinate capacities. We do not yet
2090 * know what maximum X, Y, and Z values are, so we're putting fake
2091 * values in. Later, we'll ask the tablet to put in the correct
2092 * values.
2093 */
2094 input_set_abs_params(inputdev, ABS_X, 0, 2999, 0, 0);
2095 input_set_abs_params(inputdev, ABS_Y, 0, 2249, 0, 0);
2096 input_set_abs_params(inputdev, ABS_PRESSURE, 0, 511, 0, 0);
2097 input_set_abs_params(inputdev, ABS_TILT_X, AIPTEK_TILT_MIN, AIPTEK_TILT_MAX, 0, 0);
2098 input_set_abs_params(inputdev, ABS_TILT_Y, AIPTEK_TILT_MIN, AIPTEK_TILT_MAX, 0, 0);
2099 input_set_abs_params(inputdev, ABS_WHEEL, AIPTEK_WHEEL_MIN, AIPTEK_WHEEL_MAX - 1, 0, 0);
2100
2101 endpoint = &intf->altsetting[0].endpoint[0].desc;
2102
2103 /* Go set up our URB, which is called when the tablet receives
2104 * input.
2105 */
2106 usb_fill_int_urb(aiptek->urb,
2107 aiptek->usbdev,
2108 usb_rcvintpipe(aiptek->usbdev,
2109 endpoint->bEndpointAddress),
2110 aiptek->data, 8, aiptek_irq, aiptek,
2111 endpoint->bInterval);
2112
2113 aiptek->urb->transfer_dma = aiptek->data_dma;
2114 aiptek->urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
2115
2116 /* Program the tablet. This sets the tablet up in the mode
2117 * specified in newSetting, and also queries the tablet's
2118 * physical capacities.
2119 *
2120 * Sanity check: if a tablet doesn't like the slow programmatic
2121 * delay, we often get sizes of 0x0. Let's use that as an indicator
2122 * to try faster delays, up to 25 ms. If that logic fails, well, you'll
2123 * have to explain to us how your tablet thinks it's 0x0, and yet that's
2124 * not an error :-)
2125 */
2126
2127 for (i = 0; i < ARRAY_SIZE(speeds); ++i) {
2128 aiptek->curSetting.programmableDelay = speeds[i];
2129 (void)aiptek_program_tablet(aiptek);
2130 if (aiptek->inputdev->absmax[ABS_X] > 0) {
2131 info("input: Aiptek using %d ms programming speed\n",
2132 aiptek->curSetting.programmableDelay);
2133 break;
2134 }
2135 }
2136
2137 /* Register the tablet as an Input Device
2138 */
2139 err = input_register_device(aiptek->inputdev);
2140 if (err)
2141 goto fail2;
2142
2143 /* We now will look for the evdev device which is mapped to
2144 * the tablet. The partial name is kept in the link list of
2145 * input_handles associated with this input device.
2146 * What identifies an evdev input_handler is that it begins
2147 * with 'event', continues with a digit, and that in turn
2148 * is mapped to input/eventN.
2149 */
2150 list_for_each_safe(node, next, &inputdev->h_list) {
2151 inputhandle = to_handle(node);
2152 if (strncmp(inputhandle->name, "event", 5) == 0) {
2153 strcpy(aiptek->features.inputPath, inputhandle->name);
2154 break;
2155 }
2156 }
2157
2158 /* Associate this driver's struct with the usb interface.
2159 */
2160 usb_set_intfdata(intf, aiptek);
2161
2162 /* Set up the sysfs files
2163 */
2164 aiptek_add_files(&intf->dev);
2165
2166 /* Make sure the evdev module is loaded. Assuming evdev IS a module :-)
2167 */
2168 if (request_module("evdev") != 0)
2169 info("aiptek: error loading 'evdev' module");
2170
2171 return 0;
2172
2173 fail2: usb_buffer_free(usbdev, AIPTEK_PACKET_LENGTH, aiptek->data,
2174 aiptek->data_dma);
2175 fail1: input_free_device(inputdev);
2176 kfree(aiptek);
2177 return err;
2178 }
2179
2180 /***********************************************************************
2181 * Deal with tablet disconnecting from the system.
2182 */
2183 static void aiptek_disconnect(struct usb_interface *intf)
2184 {
2185 struct aiptek *aiptek = usb_get_intfdata(intf);
2186
2187 /* Disassociate driver's struct with usb interface
2188 */
2189 usb_set_intfdata(intf, NULL);
2190 if (aiptek != NULL) {
2191 /* Free & unhook everything from the system.
2192 */
2193 usb_kill_urb(aiptek->urb);
2194 input_unregister_device(aiptek->inputdev);
2195 aiptek_delete_files(&intf->dev);
2196 usb_free_urb(aiptek->urb);
2197 usb_buffer_free(interface_to_usbdev(intf),
2198 AIPTEK_PACKET_LENGTH,
2199 aiptek->data, aiptek->data_dma);
2200 kfree(aiptek);
2201 }
2202 }
2203
2204 static struct usb_driver aiptek_driver = {
2205 .name = "aiptek",
2206 .probe = aiptek_probe,
2207 .disconnect = aiptek_disconnect,
2208 .id_table = aiptek_ids,
2209 };
2210
2211 static int __init aiptek_init(void)
2212 {
2213 int result = usb_register(&aiptek_driver);
2214 if (result == 0) {
2215 info(DRIVER_VERSION ": " DRIVER_AUTHOR);
2216 info(DRIVER_DESC);
2217 }
2218 return result;
2219 }
2220
2221 static void __exit aiptek_exit(void)
2222 {
2223 usb_deregister(&aiptek_driver);
2224 }
2225
2226 MODULE_AUTHOR(DRIVER_AUTHOR);
2227 MODULE_DESCRIPTION(DRIVER_DESC);
2228 MODULE_LICENSE("GPL");
2229
2230 module_param(programmableDelay, int, 0);
2231 MODULE_PARM_DESC(programmableDelay, "delay used during tablet programming");
2232 module_param(jitterDelay, int, 0);
2233 MODULE_PARM_DESC(jitterDelay, "stylus/mouse settlement delay");
2234
2235 module_init(aiptek_init);
2236 module_exit(aiptek_exit);
Tomato firmware and modifications.