xref: /openbmc/linux/drivers/hid/wacom_wac.c (revision 5ace6934)
1 /*
2  * drivers/input/tablet/wacom_wac.c
3  *
4  *  USB Wacom tablet support - Wacom specific code
5  *
6  */
7 
8 /*
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  */
14 
15 #include "wacom_wac.h"
16 #include "wacom.h"
17 #include <linux/input/mt.h>
18 
19 /* resolution for penabled devices */
20 #define WACOM_PL_RES		20
21 #define WACOM_PENPRTN_RES	40
22 #define WACOM_VOLITO_RES	50
23 #define WACOM_GRAPHIRE_RES	80
24 #define WACOM_INTUOS_RES	100
25 #define WACOM_INTUOS3_RES	200
26 
27 /* Newer Cintiq and DTU have an offset between tablet and screen areas */
28 #define WACOM_DTU_OFFSET	200
29 #define WACOM_CINTIQ_OFFSET	400
30 
31 /*
32  * Scale factor relating reported contact size to logical contact area.
33  * 2^14/pi is a good approximation on Intuos5 and 3rd-gen Bamboo
34  */
35 #define WACOM_CONTACT_AREA_SCALE 2607
36 
37 static bool touch_arbitration = 1;
38 module_param(touch_arbitration, bool, 0644);
39 MODULE_PARM_DESC(touch_arbitration, " on (Y) off (N)");
40 
41 static void wacom_report_numbered_buttons(struct input_dev *input_dev,
42 				int button_count, int mask);
43 
44 static int wacom_numbered_button_to_key(int n);
45 
46 static void wacom_update_led(struct wacom *wacom, int button_count, int mask,
47 			     int group);
48 /*
49  * Percent of battery capacity for Graphire.
50  * 8th value means AC online and show 100% capacity.
51  */
52 static unsigned short batcap_gr[8] = { 1, 15, 25, 35, 50, 70, 100, 100 };
53 
54 /*
55  * Percent of battery capacity for Intuos4 WL, AC has a separate bit.
56  */
57 static unsigned short batcap_i4[8] = { 1, 15, 30, 45, 60, 70, 85, 100 };
58 
59 static void __wacom_notify_battery(struct wacom_battery *battery,
60 				   int bat_capacity, bool bat_charging,
61 				   bool bat_connected, bool ps_connected)
62 {
63 	bool changed = battery->battery_capacity != bat_capacity  ||
64 		       battery->bat_charging     != bat_charging  ||
65 		       battery->bat_connected    != bat_connected ||
66 		       battery->ps_connected     != ps_connected;
67 
68 	if (changed) {
69 		battery->battery_capacity = bat_capacity;
70 		battery->bat_charging = bat_charging;
71 		battery->bat_connected = bat_connected;
72 		battery->ps_connected = ps_connected;
73 
74 		if (battery->battery)
75 			power_supply_changed(battery->battery);
76 	}
77 }
78 
79 static void wacom_notify_battery(struct wacom_wac *wacom_wac,
80 	int bat_capacity, bool bat_charging, bool bat_connected,
81 	bool ps_connected)
82 {
83 	struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
84 
85 	__wacom_notify_battery(&wacom->battery, bat_capacity, bat_charging,
86 			       bat_connected, ps_connected);
87 }
88 
89 static int wacom_penpartner_irq(struct wacom_wac *wacom)
90 {
91 	unsigned char *data = wacom->data;
92 	struct input_dev *input = wacom->pen_input;
93 
94 	switch (data[0]) {
95 	case 1:
96 		if (data[5] & 0x80) {
97 			wacom->tool[0] = (data[5] & 0x20) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
98 			wacom->id[0] = (data[5] & 0x20) ? ERASER_DEVICE_ID : STYLUS_DEVICE_ID;
99 			input_report_key(input, wacom->tool[0], 1);
100 			input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
101 			input_report_abs(input, ABS_X, get_unaligned_le16(&data[1]));
102 			input_report_abs(input, ABS_Y, get_unaligned_le16(&data[3]));
103 			input_report_abs(input, ABS_PRESSURE, (signed char)data[6] + 127);
104 			input_report_key(input, BTN_TOUCH, ((signed char)data[6] > -127));
105 			input_report_key(input, BTN_STYLUS, (data[5] & 0x40));
106 		} else {
107 			input_report_key(input, wacom->tool[0], 0);
108 			input_report_abs(input, ABS_MISC, 0); /* report tool id */
109 			input_report_abs(input, ABS_PRESSURE, -1);
110 			input_report_key(input, BTN_TOUCH, 0);
111 		}
112 		break;
113 
114 	case 2:
115 		input_report_key(input, BTN_TOOL_PEN, 1);
116 		input_report_abs(input, ABS_MISC, STYLUS_DEVICE_ID); /* report tool id */
117 		input_report_abs(input, ABS_X, get_unaligned_le16(&data[1]));
118 		input_report_abs(input, ABS_Y, get_unaligned_le16(&data[3]));
119 		input_report_abs(input, ABS_PRESSURE, (signed char)data[6] + 127);
120 		input_report_key(input, BTN_TOUCH, ((signed char)data[6] > -80) && !(data[5] & 0x20));
121 		input_report_key(input, BTN_STYLUS, (data[5] & 0x40));
122 		break;
123 
124 	default:
125 		dev_dbg(input->dev.parent,
126 			"%s: received unknown report #%d\n", __func__, data[0]);
127 		return 0;
128         }
129 
130 	return 1;
131 }
132 
133 static int wacom_pl_irq(struct wacom_wac *wacom)
134 {
135 	struct wacom_features *features = &wacom->features;
136 	unsigned char *data = wacom->data;
137 	struct input_dev *input = wacom->pen_input;
138 	int prox, pressure;
139 
140 	if (data[0] != WACOM_REPORT_PENABLED) {
141 		dev_dbg(input->dev.parent,
142 			"%s: received unknown report #%d\n", __func__, data[0]);
143 		return 0;
144 	}
145 
146 	prox = data[1] & 0x40;
147 
148 	if (!wacom->id[0]) {
149 		if ((data[0] & 0x10) || (data[4] & 0x20)) {
150 			wacom->tool[0] = BTN_TOOL_RUBBER;
151 			wacom->id[0] = ERASER_DEVICE_ID;
152 		}
153 		else {
154 			wacom->tool[0] = BTN_TOOL_PEN;
155 			wacom->id[0] = STYLUS_DEVICE_ID;
156 		}
157 	}
158 
159 	/* If the eraser is in prox, STYLUS2 is always set. If we
160 	 * mis-detected the type and notice that STYLUS2 isn't set
161 	 * then force the eraser out of prox and let the pen in.
162 	 */
163 	if (wacom->tool[0] == BTN_TOOL_RUBBER && !(data[4] & 0x20)) {
164 		input_report_key(input, BTN_TOOL_RUBBER, 0);
165 		input_report_abs(input, ABS_MISC, 0);
166 		input_sync(input);
167 		wacom->tool[0] = BTN_TOOL_PEN;
168 		wacom->id[0] = STYLUS_DEVICE_ID;
169 	}
170 
171 	if (prox) {
172 		pressure = (signed char)((data[7] << 1) | ((data[4] >> 2) & 1));
173 		if (features->pressure_max > 255)
174 			pressure = (pressure << 1) | ((data[4] >> 6) & 1);
175 		pressure += (features->pressure_max + 1) / 2;
176 
177 		input_report_abs(input, ABS_X, data[3] | (data[2] << 7) | ((data[1] & 0x03) << 14));
178 		input_report_abs(input, ABS_Y, data[6] | (data[5] << 7) | ((data[4] & 0x03) << 14));
179 		input_report_abs(input, ABS_PRESSURE, pressure);
180 
181 		input_report_key(input, BTN_TOUCH, data[4] & 0x08);
182 		input_report_key(input, BTN_STYLUS, data[4] & 0x10);
183 		/* Only allow the stylus2 button to be reported for the pen tool. */
184 		input_report_key(input, BTN_STYLUS2, (wacom->tool[0] == BTN_TOOL_PEN) && (data[4] & 0x20));
185 	}
186 
187 	if (!prox)
188 		wacom->id[0] = 0;
189 	input_report_key(input, wacom->tool[0], prox);
190 	input_report_abs(input, ABS_MISC, wacom->id[0]);
191 	return 1;
192 }
193 
194 static int wacom_ptu_irq(struct wacom_wac *wacom)
195 {
196 	unsigned char *data = wacom->data;
197 	struct input_dev *input = wacom->pen_input;
198 
199 	if (data[0] != WACOM_REPORT_PENABLED) {
200 		dev_dbg(input->dev.parent,
201 			"%s: received unknown report #%d\n", __func__, data[0]);
202 		return 0;
203 	}
204 
205 	if (data[1] & 0x04) {
206 		input_report_key(input, BTN_TOOL_RUBBER, data[1] & 0x20);
207 		input_report_key(input, BTN_TOUCH, data[1] & 0x08);
208 		wacom->id[0] = ERASER_DEVICE_ID;
209 	} else {
210 		input_report_key(input, BTN_TOOL_PEN, data[1] & 0x20);
211 		input_report_key(input, BTN_TOUCH, data[1] & 0x01);
212 		wacom->id[0] = STYLUS_DEVICE_ID;
213 	}
214 	input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
215 	input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
216 	input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
217 	input_report_abs(input, ABS_PRESSURE, le16_to_cpup((__le16 *)&data[6]));
218 	input_report_key(input, BTN_STYLUS, data[1] & 0x02);
219 	input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
220 	return 1;
221 }
222 
223 static int wacom_dtu_irq(struct wacom_wac *wacom)
224 {
225 	unsigned char *data = wacom->data;
226 	struct input_dev *input = wacom->pen_input;
227 	int prox = data[1] & 0x20;
228 
229 	dev_dbg(input->dev.parent,
230 		"%s: received report #%d", __func__, data[0]);
231 
232 	if (prox) {
233 		/* Going into proximity select tool */
234 		wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
235 		if (wacom->tool[0] == BTN_TOOL_PEN)
236 			wacom->id[0] = STYLUS_DEVICE_ID;
237 		else
238 			wacom->id[0] = ERASER_DEVICE_ID;
239 	}
240 	input_report_key(input, BTN_STYLUS, data[1] & 0x02);
241 	input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
242 	input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
243 	input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
244 	input_report_abs(input, ABS_PRESSURE, ((data[7] & 0x01) << 8) | data[6]);
245 	input_report_key(input, BTN_TOUCH, data[1] & 0x05);
246 	if (!prox) /* out-prox */
247 		wacom->id[0] = 0;
248 	input_report_key(input, wacom->tool[0], prox);
249 	input_report_abs(input, ABS_MISC, wacom->id[0]);
250 	return 1;
251 }
252 
253 static int wacom_dtus_irq(struct wacom_wac *wacom)
254 {
255 	char *data = wacom->data;
256 	struct input_dev *input = wacom->pen_input;
257 	unsigned short prox, pressure = 0;
258 
259 	if (data[0] != WACOM_REPORT_DTUS && data[0] != WACOM_REPORT_DTUSPAD) {
260 		dev_dbg(input->dev.parent,
261 			"%s: received unknown report #%d", __func__, data[0]);
262 		return 0;
263 	} else if (data[0] == WACOM_REPORT_DTUSPAD) {
264 		input = wacom->pad_input;
265 		input_report_key(input, BTN_0, (data[1] & 0x01));
266 		input_report_key(input, BTN_1, (data[1] & 0x02));
267 		input_report_key(input, BTN_2, (data[1] & 0x04));
268 		input_report_key(input, BTN_3, (data[1] & 0x08));
269 		input_report_abs(input, ABS_MISC,
270 				 data[1] & 0x0f ? PAD_DEVICE_ID : 0);
271 		return 1;
272 	} else {
273 		prox = data[1] & 0x80;
274 		if (prox) {
275 			switch ((data[1] >> 3) & 3) {
276 			case 1: /* Rubber */
277 				wacom->tool[0] = BTN_TOOL_RUBBER;
278 				wacom->id[0] = ERASER_DEVICE_ID;
279 				break;
280 
281 			case 2: /* Pen */
282 				wacom->tool[0] = BTN_TOOL_PEN;
283 				wacom->id[0] = STYLUS_DEVICE_ID;
284 				break;
285 			}
286 		}
287 
288 		input_report_key(input, BTN_STYLUS, data[1] & 0x20);
289 		input_report_key(input, BTN_STYLUS2, data[1] & 0x40);
290 		input_report_abs(input, ABS_X, get_unaligned_be16(&data[3]));
291 		input_report_abs(input, ABS_Y, get_unaligned_be16(&data[5]));
292 		pressure = ((data[1] & 0x03) << 8) | (data[2] & 0xff);
293 		input_report_abs(input, ABS_PRESSURE, pressure);
294 		input_report_key(input, BTN_TOUCH, pressure > 10);
295 
296 		if (!prox) /* out-prox */
297 			wacom->id[0] = 0;
298 		input_report_key(input, wacom->tool[0], prox);
299 		input_report_abs(input, ABS_MISC, wacom->id[0]);
300 		return 1;
301 	}
302 }
303 
304 static int wacom_graphire_irq(struct wacom_wac *wacom)
305 {
306 	struct wacom_features *features = &wacom->features;
307 	unsigned char *data = wacom->data;
308 	struct input_dev *input = wacom->pen_input;
309 	struct input_dev *pad_input = wacom->pad_input;
310 	int battery_capacity, ps_connected;
311 	int prox;
312 	int rw = 0;
313 	int retval = 0;
314 
315 	if (features->type == GRAPHIRE_BT) {
316 		if (data[0] != WACOM_REPORT_PENABLED_BT) {
317 			dev_dbg(input->dev.parent,
318 				"%s: received unknown report #%d\n", __func__,
319 				data[0]);
320 			goto exit;
321 		}
322 	} else if (data[0] != WACOM_REPORT_PENABLED) {
323 		dev_dbg(input->dev.parent,
324 			"%s: received unknown report #%d\n", __func__, data[0]);
325 		goto exit;
326 	}
327 
328 	prox = data[1] & 0x80;
329 	if (prox || wacom->id[0]) {
330 		if (prox) {
331 			switch ((data[1] >> 5) & 3) {
332 
333 			case 0:	/* Pen */
334 				wacom->tool[0] = BTN_TOOL_PEN;
335 				wacom->id[0] = STYLUS_DEVICE_ID;
336 				break;
337 
338 			case 1: /* Rubber */
339 				wacom->tool[0] = BTN_TOOL_RUBBER;
340 				wacom->id[0] = ERASER_DEVICE_ID;
341 				break;
342 
343 			case 2: /* Mouse with wheel */
344 				input_report_key(input, BTN_MIDDLE, data[1] & 0x04);
345 				/* fall through */
346 
347 			case 3: /* Mouse without wheel */
348 				wacom->tool[0] = BTN_TOOL_MOUSE;
349 				wacom->id[0] = CURSOR_DEVICE_ID;
350 				break;
351 			}
352 		}
353 		input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
354 		input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
355 		if (wacom->tool[0] != BTN_TOOL_MOUSE) {
356 			if (features->type == GRAPHIRE_BT)
357 				input_report_abs(input, ABS_PRESSURE, data[6] |
358 					(((__u16) (data[1] & 0x08)) << 5));
359 			else
360 				input_report_abs(input, ABS_PRESSURE, data[6] |
361 					((data[7] & 0x03) << 8));
362 			input_report_key(input, BTN_TOUCH, data[1] & 0x01);
363 			input_report_key(input, BTN_STYLUS, data[1] & 0x02);
364 			input_report_key(input, BTN_STYLUS2, data[1] & 0x04);
365 		} else {
366 			input_report_key(input, BTN_LEFT, data[1] & 0x01);
367 			input_report_key(input, BTN_RIGHT, data[1] & 0x02);
368 			if (features->type == WACOM_G4 ||
369 					features->type == WACOM_MO) {
370 				input_report_abs(input, ABS_DISTANCE, data[6] & 0x3f);
371 				rw = (data[7] & 0x04) - (data[7] & 0x03);
372 			} else if (features->type == GRAPHIRE_BT) {
373 				/* Compute distance between mouse and tablet */
374 				rw = 44 - (data[6] >> 2);
375 				rw = clamp_val(rw, 0, 31);
376 				input_report_abs(input, ABS_DISTANCE, rw);
377 				if (((data[1] >> 5) & 3) == 2) {
378 					/* Mouse with wheel */
379 					input_report_key(input, BTN_MIDDLE,
380 							data[1] & 0x04);
381 					rw = (data[6] & 0x01) ? -1 :
382 						(data[6] & 0x02) ? 1 : 0;
383 				} else {
384 					rw = 0;
385 				}
386 			} else {
387 				input_report_abs(input, ABS_DISTANCE, data[7] & 0x3f);
388 				rw = -(signed char)data[6];
389 			}
390 			input_report_rel(input, REL_WHEEL, rw);
391 		}
392 
393 		if (!prox)
394 			wacom->id[0] = 0;
395 		input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
396 		input_report_key(input, wacom->tool[0], prox);
397 		input_sync(input); /* sync last event */
398 	}
399 
400 	/* send pad data */
401 	switch (features->type) {
402 	case WACOM_G4:
403 		prox = data[7] & 0xf8;
404 		if (prox || wacom->id[1]) {
405 			wacom->id[1] = PAD_DEVICE_ID;
406 			input_report_key(pad_input, BTN_BACK, (data[7] & 0x40));
407 			input_report_key(pad_input, BTN_FORWARD, (data[7] & 0x80));
408 			rw = ((data[7] & 0x18) >> 3) - ((data[7] & 0x20) >> 3);
409 			input_report_rel(pad_input, REL_WHEEL, rw);
410 			if (!prox)
411 				wacom->id[1] = 0;
412 			input_report_abs(pad_input, ABS_MISC, wacom->id[1]);
413 			retval = 1;
414 		}
415 		break;
416 
417 	case WACOM_MO:
418 		prox = (data[7] & 0xf8) || data[8];
419 		if (prox || wacom->id[1]) {
420 			wacom->id[1] = PAD_DEVICE_ID;
421 			input_report_key(pad_input, BTN_BACK, (data[7] & 0x08));
422 			input_report_key(pad_input, BTN_LEFT, (data[7] & 0x20));
423 			input_report_key(pad_input, BTN_FORWARD, (data[7] & 0x10));
424 			input_report_key(pad_input, BTN_RIGHT, (data[7] & 0x40));
425 			input_report_abs(pad_input, ABS_WHEEL, (data[8] & 0x7f));
426 			if (!prox)
427 				wacom->id[1] = 0;
428 			input_report_abs(pad_input, ABS_MISC, wacom->id[1]);
429 			retval = 1;
430 		}
431 		break;
432 	case GRAPHIRE_BT:
433 		prox = data[7] & 0x03;
434 		if (prox || wacom->id[1]) {
435 			wacom->id[1] = PAD_DEVICE_ID;
436 			input_report_key(pad_input, BTN_0, (data[7] & 0x02));
437 			input_report_key(pad_input, BTN_1, (data[7] & 0x01));
438 			if (!prox)
439 				wacom->id[1] = 0;
440 			input_report_abs(pad_input, ABS_MISC, wacom->id[1]);
441 			retval = 1;
442 		}
443 		break;
444 	}
445 
446 	/* Store current battery capacity and power supply state */
447 	if (features->type == GRAPHIRE_BT) {
448 		rw = (data[7] >> 2 & 0x07);
449 		battery_capacity = batcap_gr[rw];
450 		ps_connected = rw == 7;
451 		wacom_notify_battery(wacom, battery_capacity, ps_connected,
452 				     1, ps_connected);
453 	}
454 exit:
455 	return retval;
456 }
457 
458 static void wacom_intuos_schedule_prox_event(struct wacom_wac *wacom_wac)
459 {
460 	struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
461 	struct wacom_features *features = &wacom_wac->features;
462 	struct hid_report *r;
463 	struct hid_report_enum *re;
464 
465 	re = &(wacom->hdev->report_enum[HID_FEATURE_REPORT]);
466 	if (features->type == INTUOSHT2)
467 		r = re->report_id_hash[WACOM_REPORT_INTUOSHT2_ID];
468 	else
469 		r = re->report_id_hash[WACOM_REPORT_INTUOS_ID1];
470 	if (r) {
471 		hid_hw_request(wacom->hdev, r, HID_REQ_GET_REPORT);
472 	}
473 }
474 
475 static int wacom_intuos_pad(struct wacom_wac *wacom)
476 {
477 	struct wacom_features *features = &wacom->features;
478 	unsigned char *data = wacom->data;
479 	struct input_dev *input = wacom->pad_input;
480 	int i;
481 	int buttons = 0, nbuttons = features->numbered_buttons;
482 	int keys = 0, nkeys = 0;
483 	int ring1 = 0, ring2 = 0;
484 	int strip1 = 0, strip2 = 0;
485 	bool prox = false;
486 
487 	/* pad packets. Works as a second tool and is always in prox */
488 	if (!(data[0] == WACOM_REPORT_INTUOSPAD || data[0] == WACOM_REPORT_INTUOS5PAD ||
489 	      data[0] == WACOM_REPORT_CINTIQPAD))
490 		return 0;
491 
492 	if (features->type >= INTUOS4S && features->type <= INTUOS4L) {
493 		buttons = (data[3] << 1) | (data[2] & 0x01);
494 		ring1 = data[1];
495 	} else if (features->type == DTK) {
496 		buttons = data[6];
497 	} else if (features->type == WACOM_13HD) {
498 		buttons = (data[4] << 1) | (data[3] & 0x01);
499 	} else if (features->type == WACOM_24HD) {
500 		buttons = (data[8] << 8) | data[6];
501 		ring1 = data[1];
502 		ring2 = data[2];
503 
504 		/*
505 		 * Three "buttons" are available on the 24HD which are
506 		 * physically implemented as a touchstrip. Each button
507 		 * is approximately 3 bits wide with a 2 bit spacing.
508 		 * The raw touchstrip bits are stored at:
509 		 *    ((data[3] & 0x1f) << 8) | data[4])
510 		 */
511 		nkeys = 3;
512 		keys = ((data[3] & 0x1C) ? 1<<2 : 0) |
513 		       ((data[4] & 0xE0) ? 1<<1 : 0) |
514 		       ((data[4] & 0x07) ? 1<<0 : 0);
515 	} else if (features->type == WACOM_27QHD) {
516 		nkeys = 3;
517 		keys = data[2] & 0x07;
518 
519 		input_report_abs(input, ABS_X, be16_to_cpup((__be16 *)&data[4]));
520 		input_report_abs(input, ABS_Y, be16_to_cpup((__be16 *)&data[6]));
521 		input_report_abs(input, ABS_Z, be16_to_cpup((__be16 *)&data[8]));
522 	} else if (features->type == CINTIQ_HYBRID) {
523 		/*
524 		 * Do not send hardware buttons under Android. They
525 		 * are already sent to the system through GPIO (and
526 		 * have different meaning).
527 		 *
528 		 * d-pad right  -> data[4] & 0x10
529 		 * d-pad up     -> data[4] & 0x20
530 		 * d-pad left   -> data[4] & 0x40
531 		 * d-pad down   -> data[4] & 0x80
532 		 * d-pad center -> data[3] & 0x01
533 		 */
534 		buttons = (data[4] << 1) | (data[3] & 0x01);
535 	} else if (features->type == CINTIQ_COMPANION_2) {
536 		/* d-pad right  -> data[4] & 0x10
537 		 * d-pad up     -> data[4] & 0x20
538 		 * d-pad left   -> data[4] & 0x40
539 		 * d-pad down   -> data[4] & 0x80
540 		 * d-pad center -> data[3] & 0x01
541 		 */
542 		buttons = ((data[2] >> 4) << 7) |
543 		          ((data[1] & 0x04) << 6) |
544 		          ((data[2] & 0x0F) << 2) |
545 		          (data[1] & 0x03);
546 	} else if (features->type >= INTUOS5S && features->type <= INTUOSPL) {
547 		/*
548 		 * ExpressKeys on Intuos5/Intuos Pro have a capacitive sensor in
549 		 * addition to the mechanical switch. Switch data is
550 		 * stored in data[4], capacitive data in data[5].
551 		 *
552 		 * Touch ring mode switch (data[3]) has no capacitive sensor
553 		 */
554 		buttons = (data[4] << 1) | (data[3] & 0x01);
555 		ring1 = data[2];
556 	} else {
557 		if (features->type == WACOM_21UX2 || features->type == WACOM_22HD) {
558 			buttons = (data[8] << 10) | ((data[7] & 0x01) << 9) |
559 			          (data[6] << 1) | (data[5] & 0x01);
560 
561 			if (features->type == WACOM_22HD) {
562 				nkeys = 3;
563 				keys = data[9] & 0x07;
564 			}
565 		} else {
566 			buttons = ((data[6] & 0x10) << 10) |
567 			          ((data[5] & 0x10) << 9)  |
568 			          ((data[6] & 0x0F) << 4)  |
569 			          (data[5] & 0x0F);
570 		}
571 		strip1 = ((data[1] & 0x1f) << 8) | data[2];
572 		strip2 = ((data[3] & 0x1f) << 8) | data[4];
573 	}
574 
575 	prox = (buttons & ~(~0 << nbuttons)) | (keys & ~(~0 << nkeys)) |
576 	       (ring1 & 0x80) | (ring2 & 0x80) | strip1 | strip2;
577 
578 	wacom_report_numbered_buttons(input, nbuttons, buttons);
579 
580 	for (i = 0; i < nkeys; i++)
581 		input_report_key(input, KEY_PROG1 + i, keys & (1 << i));
582 
583 	input_report_abs(input, ABS_RX, strip1);
584 	input_report_abs(input, ABS_RY, strip2);
585 
586 	input_report_abs(input, ABS_WHEEL,    (ring1 & 0x80) ? (ring1 & 0x7f) : 0);
587 	input_report_abs(input, ABS_THROTTLE, (ring2 & 0x80) ? (ring2 & 0x7f) : 0);
588 
589 	input_report_key(input, wacom->tool[1], prox ? 1 : 0);
590 	input_report_abs(input, ABS_MISC, prox ? PAD_DEVICE_ID : 0);
591 
592 	input_event(input, EV_MSC, MSC_SERIAL, 0xffffffff);
593 
594 	return 1;
595 }
596 
597 static int wacom_intuos_id_mangle(int tool_id)
598 {
599 	return (tool_id & ~0xFFF) << 4 | (tool_id & 0xFFF);
600 }
601 
602 static int wacom_intuos_get_tool_type(int tool_id)
603 {
604 	int tool_type;
605 
606 	switch (tool_id) {
607 	case 0x812: /* Inking pen */
608 	case 0x801: /* Intuos3 Inking pen */
609 	case 0x12802: /* Intuos4/5 Inking Pen */
610 	case 0x012:
611 		tool_type = BTN_TOOL_PENCIL;
612 		break;
613 
614 	case 0x822: /* Pen */
615 	case 0x842:
616 	case 0x852:
617 	case 0x823: /* Intuos3 Grip Pen */
618 	case 0x813: /* Intuos3 Classic Pen */
619 	case 0x885: /* Intuos3 Marker Pen */
620 	case 0x802: /* Intuos4/5 13HD/24HD General Pen */
621 	case 0x804: /* Intuos4/5 13HD/24HD Marker Pen */
622 	case 0x8e2: /* IntuosHT2 pen */
623 	case 0x022:
624 	case 0x10804: /* Intuos4/5 13HD/24HD Art Pen */
625 	case 0x14802: /* Intuos4/5 13HD/24HD Classic Pen */
626 	case 0x16802: /* Cintiq 13HD Pro Pen */
627 	case 0x18802: /* DTH2242 Pen */
628 	case 0x10802: /* Intuos4/5 13HD/24HD General Pen */
629 		tool_type = BTN_TOOL_PEN;
630 		break;
631 
632 	case 0x832: /* Stroke pen */
633 	case 0x032:
634 		tool_type = BTN_TOOL_BRUSH;
635 		break;
636 
637 	case 0x007: /* Mouse 4D and 2D */
638 	case 0x09c:
639 	case 0x094:
640 	case 0x017: /* Intuos3 2D Mouse */
641 	case 0x806: /* Intuos4 Mouse */
642 		tool_type = BTN_TOOL_MOUSE;
643 		break;
644 
645 	case 0x096: /* Lens cursor */
646 	case 0x097: /* Intuos3 Lens cursor */
647 	case 0x006: /* Intuos4 Lens cursor */
648 		tool_type = BTN_TOOL_LENS;
649 		break;
650 
651 	case 0x82a: /* Eraser */
652 	case 0x84a:
653 	case 0x85a:
654 	case 0x91a:
655 	case 0xd1a:
656 	case 0x0fa:
657 	case 0x82b: /* Intuos3 Grip Pen Eraser */
658 	case 0x81b: /* Intuos3 Classic Pen Eraser */
659 	case 0x91b: /* Intuos3 Airbrush Eraser */
660 	case 0x80c: /* Intuos4/5 13HD/24HD Marker Pen Eraser */
661 	case 0x80a: /* Intuos4/5 13HD/24HD General Pen Eraser */
662 	case 0x90a: /* Intuos4/5 13HD/24HD Airbrush Eraser */
663 	case 0x1480a: /* Intuos4/5 13HD/24HD Classic Pen Eraser */
664 	case 0x1090a: /* Intuos4/5 13HD/24HD Airbrush Eraser */
665 	case 0x1080c: /* Intuos4/5 13HD/24HD Art Pen Eraser */
666 	case 0x1680a: /* Cintiq 13HD Pro Pen Eraser */
667 	case 0x1880a: /* DTH2242 Eraser */
668 	case 0x1080a: /* Intuos4/5 13HD/24HD General Pen Eraser */
669 		tool_type = BTN_TOOL_RUBBER;
670 		break;
671 
672 	case 0xd12:
673 	case 0x912:
674 	case 0x112:
675 	case 0x913: /* Intuos3 Airbrush */
676 	case 0x902: /* Intuos4/5 13HD/24HD Airbrush */
677 	case 0x10902: /* Intuos4/5 13HD/24HD Airbrush */
678 		tool_type = BTN_TOOL_AIRBRUSH;
679 		break;
680 
681 	default: /* Unknown tool */
682 		tool_type = BTN_TOOL_PEN;
683 		break;
684 	}
685 	return tool_type;
686 }
687 
688 static int wacom_intuos_inout(struct wacom_wac *wacom)
689 {
690 	struct wacom_features *features = &wacom->features;
691 	unsigned char *data = wacom->data;
692 	struct input_dev *input = wacom->pen_input;
693 	int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
694 
695 	if (!(((data[1] & 0xfc) == 0xc0) ||  /* in prox */
696 	    ((data[1] & 0xfe) == 0x20) ||    /* in range */
697 	    ((data[1] & 0xfe) == 0x80)))     /* out prox */
698 		return 0;
699 
700 	/* Enter report */
701 	if ((data[1] & 0xfc) == 0xc0) {
702 		/* serial number of the tool */
703 		wacom->serial[idx] = ((data[3] & 0x0f) << 28) +
704 			(data[4] << 20) + (data[5] << 12) +
705 			(data[6] << 4) + (data[7] >> 4);
706 
707 		wacom->id[idx] = (data[2] << 4) | (data[3] >> 4) |
708 		     ((data[7] & 0x0f) << 16) | ((data[8] & 0xf0) << 8);
709 
710 		wacom->tool[idx] = wacom_intuos_get_tool_type(wacom->id[idx]);
711 
712 		wacom->shared->stylus_in_proximity = true;
713 		return 1;
714 	}
715 
716 	/* in Range */
717 	if ((data[1] & 0xfe) == 0x20) {
718 		if (features->type != INTUOSHT2)
719 			wacom->shared->stylus_in_proximity = true;
720 
721 		/* in Range while exiting */
722 		if (wacom->reporting_data) {
723 			input_report_key(input, BTN_TOUCH, 0);
724 			input_report_abs(input, ABS_PRESSURE, 0);
725 			input_report_abs(input, ABS_DISTANCE, wacom->features.distance_max);
726 			return 2;
727 		}
728 		return 1;
729 	}
730 
731 	/* Exit report */
732 	if ((data[1] & 0xfe) == 0x80) {
733 		wacom->shared->stylus_in_proximity = false;
734 		wacom->reporting_data = false;
735 
736 		/* don't report exit if we don't know the ID */
737 		if (!wacom->id[idx])
738 			return 1;
739 
740 		/*
741 		 * Reset all states otherwise we lose the initial states
742 		 * when in-prox next time
743 		 */
744 		input_report_abs(input, ABS_X, 0);
745 		input_report_abs(input, ABS_Y, 0);
746 		input_report_abs(input, ABS_DISTANCE, 0);
747 		input_report_abs(input, ABS_TILT_X, 0);
748 		input_report_abs(input, ABS_TILT_Y, 0);
749 		if (wacom->tool[idx] >= BTN_TOOL_MOUSE) {
750 			input_report_key(input, BTN_LEFT, 0);
751 			input_report_key(input, BTN_MIDDLE, 0);
752 			input_report_key(input, BTN_RIGHT, 0);
753 			input_report_key(input, BTN_SIDE, 0);
754 			input_report_key(input, BTN_EXTRA, 0);
755 			input_report_abs(input, ABS_THROTTLE, 0);
756 			input_report_abs(input, ABS_RZ, 0);
757 		} else {
758 			input_report_abs(input, ABS_PRESSURE, 0);
759 			input_report_key(input, BTN_STYLUS, 0);
760 			input_report_key(input, BTN_STYLUS2, 0);
761 			input_report_key(input, BTN_TOUCH, 0);
762 			input_report_abs(input, ABS_WHEEL, 0);
763 			if (features->type >= INTUOS3S)
764 				input_report_abs(input, ABS_Z, 0);
765 		}
766 		input_report_key(input, wacom->tool[idx], 0);
767 		input_report_abs(input, ABS_MISC, 0); /* reset tool id */
768 		input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
769 		wacom->id[idx] = 0;
770 		return 2;
771 	}
772 
773 	return 0;
774 }
775 
776 static int wacom_remote_irq(struct wacom_wac *wacom_wac, size_t len)
777 {
778 	unsigned char *data = wacom_wac->data;
779 	struct input_dev *input;
780 	struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
781 	struct wacom_remote *remote = wacom->remote;
782 	int bat_charging, bat_percent, touch_ring_mode;
783 	__u32 serial;
784 	int i, index = -1;
785 	unsigned long flags;
786 
787 	if (data[0] != WACOM_REPORT_REMOTE) {
788 		hid_dbg(wacom->hdev, "%s: received unknown report #%d",
789 			__func__, data[0]);
790 		return 0;
791 	}
792 
793 	serial = data[3] + (data[4] << 8) + (data[5] << 16);
794 	wacom_wac->id[0] = PAD_DEVICE_ID;
795 
796 	spin_lock_irqsave(&remote->remote_lock, flags);
797 
798 	for (i = 0; i < WACOM_MAX_REMOTES; i++) {
799 		if (remote->remotes[i].serial == serial) {
800 			index = i;
801 			break;
802 		}
803 	}
804 
805 	if (index < 0 || !remote->remotes[index].registered)
806 		goto out;
807 
808 	input = remote->remotes[index].input;
809 
810 	input_report_key(input, BTN_0, (data[9] & 0x01));
811 	input_report_key(input, BTN_1, (data[9] & 0x02));
812 	input_report_key(input, BTN_2, (data[9] & 0x04));
813 	input_report_key(input, BTN_3, (data[9] & 0x08));
814 	input_report_key(input, BTN_4, (data[9] & 0x10));
815 	input_report_key(input, BTN_5, (data[9] & 0x20));
816 	input_report_key(input, BTN_6, (data[9] & 0x40));
817 	input_report_key(input, BTN_7, (data[9] & 0x80));
818 
819 	input_report_key(input, BTN_8, (data[10] & 0x01));
820 	input_report_key(input, BTN_9, (data[10] & 0x02));
821 	input_report_key(input, BTN_A, (data[10] & 0x04));
822 	input_report_key(input, BTN_B, (data[10] & 0x08));
823 	input_report_key(input, BTN_C, (data[10] & 0x10));
824 	input_report_key(input, BTN_X, (data[10] & 0x20));
825 	input_report_key(input, BTN_Y, (data[10] & 0x40));
826 	input_report_key(input, BTN_Z, (data[10] & 0x80));
827 
828 	input_report_key(input, BTN_BASE, (data[11] & 0x01));
829 	input_report_key(input, BTN_BASE2, (data[11] & 0x02));
830 
831 	if (data[12] & 0x80)
832 		input_report_abs(input, ABS_WHEEL, (data[12] & 0x7f));
833 	else
834 		input_report_abs(input, ABS_WHEEL, 0);
835 
836 	bat_percent = data[7] & 0x7f;
837 	bat_charging = !!(data[7] & 0x80);
838 
839 	if (data[9] | data[10] | (data[11] & 0x03) | data[12])
840 		input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
841 	else
842 		input_report_abs(input, ABS_MISC, 0);
843 
844 	input_event(input, EV_MSC, MSC_SERIAL, serial);
845 
846 	input_sync(input);
847 
848 	/*Which mode select (LED light) is currently on?*/
849 	touch_ring_mode = (data[11] & 0xC0) >> 6;
850 
851 	for (i = 0; i < WACOM_MAX_REMOTES; i++) {
852 		if (remote->remotes[i].serial == serial)
853 			wacom->led.groups[i].select = touch_ring_mode;
854 	}
855 
856 	__wacom_notify_battery(&remote->remotes[index].battery, bat_percent,
857 				bat_charging, 1, bat_charging);
858 
859 out:
860 	spin_unlock_irqrestore(&remote->remote_lock, flags);
861 	return 0;
862 }
863 
864 static void wacom_remote_status_irq(struct wacom_wac *wacom_wac, size_t len)
865 {
866 	struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
867 	unsigned char *data = wacom_wac->data;
868 	struct wacom_remote *remote = wacom->remote;
869 	struct wacom_remote_data remote_data;
870 	unsigned long flags;
871 	int i, ret;
872 
873 	if (data[0] != WACOM_REPORT_DEVICE_LIST)
874 		return;
875 
876 	memset(&remote_data, 0, sizeof(struct wacom_remote_data));
877 
878 	for (i = 0; i < WACOM_MAX_REMOTES; i++) {
879 		int j = i * 6;
880 		int serial = (data[j+6] << 16) + (data[j+5] << 8) + data[j+4];
881 		bool connected = data[j+2];
882 
883 		remote_data.remote[i].serial = serial;
884 		remote_data.remote[i].connected = connected;
885 	}
886 
887 	spin_lock_irqsave(&remote->remote_lock, flags);
888 
889 	ret = kfifo_in(&remote->remote_fifo, &remote_data, sizeof(remote_data));
890 	if (ret != sizeof(remote_data)) {
891 		spin_unlock_irqrestore(&remote->remote_lock, flags);
892 		hid_err(wacom->hdev, "Can't queue Remote status event.\n");
893 		return;
894 	}
895 
896 	spin_unlock_irqrestore(&remote->remote_lock, flags);
897 
898 	wacom_schedule_work(wacom_wac, WACOM_WORKER_REMOTE);
899 }
900 
901 static inline bool report_touch_events(struct wacom_wac *wacom)
902 {
903 	return (touch_arbitration ? !wacom->shared->stylus_in_proximity : 1);
904 }
905 
906 static inline bool delay_pen_events(struct wacom_wac *wacom)
907 {
908 	return (wacom->shared->touch_down && touch_arbitration);
909 }
910 
911 static int wacom_intuos_general(struct wacom_wac *wacom)
912 {
913 	struct wacom_features *features = &wacom->features;
914 	unsigned char *data = wacom->data;
915 	struct input_dev *input = wacom->pen_input;
916 	int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
917 	unsigned char type = (data[1] >> 1) & 0x0F;
918 	unsigned int x, y, distance, t;
919 
920 	if (data[0] != WACOM_REPORT_PENABLED && data[0] != WACOM_REPORT_CINTIQ &&
921 		data[0] != WACOM_REPORT_INTUOS_PEN)
922 		return 0;
923 
924 	if (delay_pen_events(wacom))
925 		return 1;
926 
927 	/* don't report events if we don't know the tool ID */
928 	if (!wacom->id[idx]) {
929 		/* but reschedule a read of the current tool */
930 		wacom_intuos_schedule_prox_event(wacom);
931 		return 1;
932 	}
933 
934 	/*
935 	 * don't report events for invalid data
936 	 */
937 	/* older I4 styli don't work with new Cintiqs */
938 	if ((!((wacom->id[idx] >> 16) & 0x01) &&
939 			(features->type == WACOM_21UX2)) ||
940 	    /* Only large Intuos support Lense Cursor */
941 	    (wacom->tool[idx] == BTN_TOOL_LENS &&
942 		(features->type == INTUOS3 ||
943 		 features->type == INTUOS3S ||
944 		 features->type == INTUOS4 ||
945 		 features->type == INTUOS4S ||
946 		 features->type == INTUOS5 ||
947 		 features->type == INTUOS5S ||
948 		 features->type == INTUOSPM ||
949 		 features->type == INTUOSPS)) ||
950 	   /* Cintiq doesn't send data when RDY bit isn't set */
951 	   (features->type == CINTIQ && !(data[1] & 0x40)))
952 		return 1;
953 
954 	x = (be16_to_cpup((__be16 *)&data[2]) << 1) | ((data[9] >> 1) & 1);
955 	y = (be16_to_cpup((__be16 *)&data[4]) << 1) | (data[9] & 1);
956 	distance = data[9] >> 2;
957 	if (features->type < INTUOS3S) {
958 		x >>= 1;
959 		y >>= 1;
960 		distance >>= 1;
961 	}
962 	input_report_abs(input, ABS_X, x);
963 	input_report_abs(input, ABS_Y, y);
964 	input_report_abs(input, ABS_DISTANCE, distance);
965 
966 	switch (type) {
967 	case 0x00:
968 	case 0x01:
969 	case 0x02:
970 	case 0x03:
971 		/* general pen packet */
972 		t = (data[6] << 3) | ((data[7] & 0xC0) >> 5) | (data[1] & 1);
973 		if (features->pressure_max < 2047)
974 			t >>= 1;
975 		input_report_abs(input, ABS_PRESSURE, t);
976 		if (features->type != INTUOSHT2) {
977 		    input_report_abs(input, ABS_TILT_X,
978 				 (((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
979 		    input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
980 		}
981 		input_report_key(input, BTN_STYLUS, data[1] & 2);
982 		input_report_key(input, BTN_STYLUS2, data[1] & 4);
983 		input_report_key(input, BTN_TOUCH, t > 10);
984 		break;
985 
986 	case 0x0a:
987 		/* airbrush second packet */
988 		input_report_abs(input, ABS_WHEEL,
989 				(data[6] << 2) | ((data[7] >> 6) & 3));
990 		input_report_abs(input, ABS_TILT_X,
991 				 (((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
992 		input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
993 		break;
994 
995 	case 0x05:
996 		/* Rotation packet */
997 		if (features->type >= INTUOS3S) {
998 			/* I3 marker pen rotation */
999 			t = (data[6] << 3) | ((data[7] >> 5) & 7);
1000 			t = (data[7] & 0x20) ? ((t > 900) ? ((t-1) / 2 - 1350) :
1001 				((t-1) / 2 + 450)) : (450 - t / 2) ;
1002 			input_report_abs(input, ABS_Z, t);
1003 		} else {
1004 			/* 4D mouse 2nd packet */
1005 			t = (data[6] << 3) | ((data[7] >> 5) & 7);
1006 			input_report_abs(input, ABS_RZ, (data[7] & 0x20) ?
1007 				((t - 1) / 2) : -t / 2);
1008 		}
1009 		break;
1010 
1011 	case 0x04:
1012 		/* 4D mouse 1st packet */
1013 		input_report_key(input, BTN_LEFT,   data[8] & 0x01);
1014 		input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
1015 		input_report_key(input, BTN_RIGHT,  data[8] & 0x04);
1016 
1017 		input_report_key(input, BTN_SIDE,   data[8] & 0x20);
1018 		input_report_key(input, BTN_EXTRA,  data[8] & 0x10);
1019 		t = (data[6] << 2) | ((data[7] >> 6) & 3);
1020 		input_report_abs(input, ABS_THROTTLE, (data[8] & 0x08) ? -t : t);
1021 		break;
1022 
1023 	case 0x06:
1024 		/* I4 mouse */
1025 		input_report_key(input, BTN_LEFT,   data[6] & 0x01);
1026 		input_report_key(input, BTN_MIDDLE, data[6] & 0x02);
1027 		input_report_key(input, BTN_RIGHT,  data[6] & 0x04);
1028 		input_report_rel(input, REL_WHEEL, ((data[7] & 0x80) >> 7)
1029 				 - ((data[7] & 0x40) >> 6));
1030 		input_report_key(input, BTN_SIDE,   data[6] & 0x08);
1031 		input_report_key(input, BTN_EXTRA,  data[6] & 0x10);
1032 
1033 		input_report_abs(input, ABS_TILT_X,
1034 			(((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
1035 		input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
1036 		break;
1037 
1038 	case 0x08:
1039 		if (wacom->tool[idx] == BTN_TOOL_MOUSE) {
1040 			/* 2D mouse packet */
1041 			input_report_key(input, BTN_LEFT,   data[8] & 0x04);
1042 			input_report_key(input, BTN_MIDDLE, data[8] & 0x08);
1043 			input_report_key(input, BTN_RIGHT,  data[8] & 0x10);
1044 			input_report_rel(input, REL_WHEEL, (data[8] & 0x01)
1045 					 - ((data[8] & 0x02) >> 1));
1046 
1047 			/* I3 2D mouse side buttons */
1048 			if (features->type >= INTUOS3S && features->type <= INTUOS3L) {
1049 				input_report_key(input, BTN_SIDE,   data[8] & 0x40);
1050 				input_report_key(input, BTN_EXTRA,  data[8] & 0x20);
1051 			}
1052 		}
1053 		else if (wacom->tool[idx] == BTN_TOOL_LENS) {
1054 			/* Lens cursor packets */
1055 			input_report_key(input, BTN_LEFT,   data[8] & 0x01);
1056 			input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
1057 			input_report_key(input, BTN_RIGHT,  data[8] & 0x04);
1058 			input_report_key(input, BTN_SIDE,   data[8] & 0x10);
1059 			input_report_key(input, BTN_EXTRA,  data[8] & 0x08);
1060 		}
1061 		break;
1062 
1063 	case 0x07:
1064 	case 0x09:
1065 	case 0x0b:
1066 	case 0x0c:
1067 	case 0x0d:
1068 	case 0x0e:
1069 	case 0x0f:
1070 		/* unhandled */
1071 		break;
1072 	}
1073 
1074 	input_report_abs(input, ABS_MISC,
1075 			 wacom_intuos_id_mangle(wacom->id[idx])); /* report tool id */
1076 	input_report_key(input, wacom->tool[idx], 1);
1077 	input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
1078 	wacom->reporting_data = true;
1079 	return 2;
1080 }
1081 
1082 static int wacom_intuos_irq(struct wacom_wac *wacom)
1083 {
1084 	unsigned char *data = wacom->data;
1085 	struct input_dev *input = wacom->pen_input;
1086 	int result;
1087 
1088 	if (data[0] != WACOM_REPORT_PENABLED &&
1089 	    data[0] != WACOM_REPORT_INTUOS_ID1 &&
1090 	    data[0] != WACOM_REPORT_INTUOS_ID2 &&
1091 	    data[0] != WACOM_REPORT_INTUOSPAD &&
1092 	    data[0] != WACOM_REPORT_INTUOS_PEN &&
1093 	    data[0] != WACOM_REPORT_CINTIQ &&
1094 	    data[0] != WACOM_REPORT_CINTIQPAD &&
1095 	    data[0] != WACOM_REPORT_INTUOS5PAD) {
1096 		dev_dbg(input->dev.parent,
1097 			"%s: received unknown report #%d\n", __func__, data[0]);
1098                 return 0;
1099 	}
1100 
1101 	/* process pad events */
1102 	result = wacom_intuos_pad(wacom);
1103 	if (result)
1104 		return result;
1105 
1106 	/* process in/out prox events */
1107 	result = wacom_intuos_inout(wacom);
1108 	if (result)
1109 		return result - 1;
1110 
1111 	/* process general packets */
1112 	result = wacom_intuos_general(wacom);
1113 	if (result)
1114 		return result - 1;
1115 
1116 	return 0;
1117 }
1118 
1119 static int int_dist(int x1, int y1, int x2, int y2)
1120 {
1121 	int x = x2 - x1;
1122 	int y = y2 - y1;
1123 
1124 	return int_sqrt(x*x + y*y);
1125 }
1126 
1127 static void wacom_intuos_bt_process_data(struct wacom_wac *wacom,
1128 		unsigned char *data)
1129 {
1130 	memcpy(wacom->data, data, 10);
1131 	wacom_intuos_irq(wacom);
1132 
1133 	input_sync(wacom->pen_input);
1134 	if (wacom->pad_input)
1135 		input_sync(wacom->pad_input);
1136 }
1137 
1138 static int wacom_intuos_bt_irq(struct wacom_wac *wacom, size_t len)
1139 {
1140 	unsigned char data[WACOM_PKGLEN_MAX];
1141 	int i = 1;
1142 	unsigned power_raw, battery_capacity, bat_charging, ps_connected;
1143 
1144 	memcpy(data, wacom->data, len);
1145 
1146 	switch (data[0]) {
1147 	case 0x04:
1148 		wacom_intuos_bt_process_data(wacom, data + i);
1149 		i += 10;
1150 		/* fall through */
1151 	case 0x03:
1152 		wacom_intuos_bt_process_data(wacom, data + i);
1153 		i += 10;
1154 		wacom_intuos_bt_process_data(wacom, data + i);
1155 		i += 10;
1156 		power_raw = data[i];
1157 		bat_charging = (power_raw & 0x08) ? 1 : 0;
1158 		ps_connected = (power_raw & 0x10) ? 1 : 0;
1159 		battery_capacity = batcap_i4[power_raw & 0x07];
1160 		wacom_notify_battery(wacom, battery_capacity, bat_charging,
1161 				     battery_capacity || bat_charging,
1162 				     ps_connected);
1163 		break;
1164 	default:
1165 		dev_dbg(wacom->pen_input->dev.parent,
1166 				"Unknown report: %d,%d size:%zu\n",
1167 				data[0], data[1], len);
1168 		return 0;
1169 	}
1170 	return 0;
1171 }
1172 
1173 static int wacom_wac_finger_count_touches(struct wacom_wac *wacom)
1174 {
1175 	struct input_dev *input = wacom->touch_input;
1176 	unsigned touch_max = wacom->features.touch_max;
1177 	int count = 0;
1178 	int i;
1179 
1180 	if (!touch_max)
1181 		return 0;
1182 
1183 	if (touch_max == 1)
1184 		return test_bit(BTN_TOUCH, input->key) &&
1185 			report_touch_events(wacom);
1186 
1187 	for (i = 0; i < input->mt->num_slots; i++) {
1188 		struct input_mt_slot *ps = &input->mt->slots[i];
1189 		int id = input_mt_get_value(ps, ABS_MT_TRACKING_ID);
1190 		if (id >= 0)
1191 			count++;
1192 	}
1193 
1194 	return count;
1195 }
1196 
1197 static void wacom_intuos_pro2_bt_pen(struct wacom_wac *wacom)
1198 {
1199 	const int pen_frame_len = 14;
1200 	const int pen_frames = 7;
1201 
1202 	struct input_dev *pen_input = wacom->pen_input;
1203 	unsigned char *data = wacom->data;
1204 	int i;
1205 
1206 	wacom->serial[0] = get_unaligned_le64(&data[99]);
1207 	wacom->id[0]     = get_unaligned_le16(&data[107]);
1208 	if (wacom->serial[0] >> 52 == 1) {
1209 		/* Add back in missing bits of ID for non-USI pens */
1210 		wacom->id[0] |= (wacom->serial[0] >> 32) & 0xFFFFF;
1211 	}
1212 	wacom->tool[0]   = wacom_intuos_get_tool_type(wacom_intuos_id_mangle(wacom->id[0]));
1213 
1214 	for (i = 0; i < pen_frames; i++) {
1215 		unsigned char *frame = &data[i*pen_frame_len + 1];
1216 		bool valid = frame[0] & 0x80;
1217 		bool prox = frame[0] & 0x40;
1218 		bool range = frame[0] & 0x20;
1219 
1220 		if (!valid)
1221 			continue;
1222 
1223 		if (range) {
1224 			input_report_abs(pen_input, ABS_X, get_unaligned_le16(&frame[1]));
1225 			input_report_abs(pen_input, ABS_Y, get_unaligned_le16(&frame[3]));
1226 			input_report_abs(pen_input, ABS_TILT_X, frame[7]);
1227 			input_report_abs(pen_input, ABS_TILT_Y, frame[8]);
1228 			input_report_abs(pen_input, ABS_Z, get_unaligned_le16(&frame[9]));
1229 			input_report_abs(pen_input, ABS_WHEEL, get_unaligned_le16(&frame[11]));
1230 		}
1231 		input_report_abs(pen_input, ABS_PRESSURE, get_unaligned_le16(&frame[5]));
1232 		input_report_abs(pen_input, ABS_DISTANCE, range ? frame[13] : wacom->features.distance_max);
1233 
1234 		input_report_key(pen_input, BTN_TOUCH, frame[0] & 0x01);
1235 		input_report_key(pen_input, BTN_STYLUS, frame[0] & 0x02);
1236 		input_report_key(pen_input, BTN_STYLUS2, frame[0] & 0x04);
1237 
1238 		input_report_key(pen_input, wacom->tool[0], prox);
1239 		input_event(pen_input, EV_MSC, MSC_SERIAL, wacom->serial[0]);
1240 		input_report_abs(pen_input, ABS_MISC,
1241 				 wacom_intuos_id_mangle(wacom->id[0])); /* report tool id */
1242 
1243 		wacom->shared->stylus_in_proximity = prox;
1244 
1245 		input_sync(pen_input);
1246 	}
1247 }
1248 
1249 static void wacom_intuos_pro2_bt_touch(struct wacom_wac *wacom)
1250 {
1251 	const int finger_touch_len = 8;
1252 	const int finger_frames = 4;
1253 	const int finger_frame_len = 43;
1254 
1255 	struct input_dev *touch_input = wacom->touch_input;
1256 	unsigned char *data = wacom->data;
1257 	int num_contacts_left = 5;
1258 	int i, j;
1259 
1260 	for (i = 0; i < finger_frames; i++) {
1261 		unsigned char *frame = &data[i*finger_frame_len + 109];
1262 		int current_num_contacts = frame[0] & 0x7F;
1263 		int contacts_to_send;
1264 
1265 		if (!(frame[0] & 0x80))
1266 			continue;
1267 
1268 		/*
1269 		 * First packet resets the counter since only the first
1270 		 * packet in series will have non-zero current_num_contacts.
1271 		 */
1272 		if (current_num_contacts)
1273 			wacom->num_contacts_left = current_num_contacts;
1274 
1275 		contacts_to_send = min(num_contacts_left, wacom->num_contacts_left);
1276 
1277 		for (j = 0; j < contacts_to_send; j++) {
1278 			unsigned char *touch = &frame[j*finger_touch_len + 1];
1279 			int slot = input_mt_get_slot_by_key(touch_input, touch[0]);
1280 			int x = get_unaligned_le16(&touch[2]);
1281 			int y = get_unaligned_le16(&touch[4]);
1282 			int w = touch[6] * input_abs_get_res(touch_input, ABS_MT_POSITION_X);
1283 			int h = touch[7] * input_abs_get_res(touch_input, ABS_MT_POSITION_Y);
1284 
1285 			if (slot < 0)
1286 				continue;
1287 
1288 			input_mt_slot(touch_input, slot);
1289 			input_mt_report_slot_state(touch_input, MT_TOOL_FINGER, touch[1] & 0x01);
1290 			input_report_abs(touch_input, ABS_MT_POSITION_X, x);
1291 			input_report_abs(touch_input, ABS_MT_POSITION_Y, y);
1292 			input_report_abs(touch_input, ABS_MT_TOUCH_MAJOR, max(w, h));
1293 			input_report_abs(touch_input, ABS_MT_TOUCH_MINOR, min(w, h));
1294 			input_report_abs(touch_input, ABS_MT_ORIENTATION, w > h);
1295 		}
1296 
1297 		input_mt_sync_frame(touch_input);
1298 
1299 		wacom->num_contacts_left -= contacts_to_send;
1300 		if (wacom->num_contacts_left <= 0) {
1301 			wacom->num_contacts_left = 0;
1302 			wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1303 		}
1304 	}
1305 
1306 	input_report_switch(touch_input, SW_MUTE_DEVICE, !(data[281] >> 7));
1307 	input_sync(touch_input);
1308 }
1309 
1310 static void wacom_intuos_pro2_bt_pad(struct wacom_wac *wacom)
1311 {
1312 	struct input_dev *pad_input = wacom->pad_input;
1313 	unsigned char *data = wacom->data;
1314 
1315 	int buttons = (data[282] << 1) | ((data[281] >> 6) & 0x01);
1316 	int ring = data[285];
1317 	int prox = buttons | (ring & 0x80);
1318 
1319 	wacom_report_numbered_buttons(pad_input, 9, buttons);
1320 
1321 	input_report_abs(pad_input, ABS_WHEEL, (ring & 0x80) ? (ring & 0x7f) : 0);
1322 
1323 	input_report_key(pad_input, wacom->tool[1], prox ? 1 : 0);
1324 	input_report_abs(pad_input, ABS_MISC, prox ? PAD_DEVICE_ID : 0);
1325 	input_event(pad_input, EV_MSC, MSC_SERIAL, 0xffffffff);
1326 
1327 	input_sync(pad_input);
1328 }
1329 
1330 static void wacom_intuos_pro2_bt_battery(struct wacom_wac *wacom)
1331 {
1332 	unsigned char *data = wacom->data;
1333 
1334 	bool chg = data[284] & 0x80;
1335 	int battery_status = data[284] & 0x7F;
1336 
1337 	wacom_notify_battery(wacom, battery_status, chg, 1, chg);
1338 }
1339 
1340 static int wacom_intuos_pro2_bt_irq(struct wacom_wac *wacom, size_t len)
1341 {
1342 	unsigned char *data = wacom->data;
1343 
1344 	if (data[0] != 0x80) {
1345 		dev_dbg(wacom->pen_input->dev.parent,
1346 			"%s: received unknown report #%d\n", __func__, data[0]);
1347 		return 0;
1348 	}
1349 
1350 	wacom_intuos_pro2_bt_pen(wacom);
1351 	wacom_intuos_pro2_bt_touch(wacom);
1352 	wacom_intuos_pro2_bt_pad(wacom);
1353 	wacom_intuos_pro2_bt_battery(wacom);
1354 	return 0;
1355 }
1356 
1357 static int wacom_24hdt_irq(struct wacom_wac *wacom)
1358 {
1359 	struct input_dev *input = wacom->touch_input;
1360 	unsigned char *data = wacom->data;
1361 	int i;
1362 	int current_num_contacts = data[61];
1363 	int contacts_to_send = 0;
1364 	int num_contacts_left = 4; /* maximum contacts per packet */
1365 	int byte_per_packet = WACOM_BYTES_PER_24HDT_PACKET;
1366 	int y_offset = 2;
1367 
1368 	if (wacom->features.type == WACOM_27QHDT) {
1369 		current_num_contacts = data[63];
1370 		num_contacts_left = 10;
1371 		byte_per_packet = WACOM_BYTES_PER_QHDTHID_PACKET;
1372 		y_offset = 0;
1373 	}
1374 
1375 	/*
1376 	 * First packet resets the counter since only the first
1377 	 * packet in series will have non-zero current_num_contacts.
1378 	 */
1379 	if (current_num_contacts)
1380 		wacom->num_contacts_left = current_num_contacts;
1381 
1382 	contacts_to_send = min(num_contacts_left, wacom->num_contacts_left);
1383 
1384 	for (i = 0; i < contacts_to_send; i++) {
1385 		int offset = (byte_per_packet * i) + 1;
1386 		bool touch = (data[offset] & 0x1) && report_touch_events(wacom);
1387 		int slot = input_mt_get_slot_by_key(input, data[offset + 1]);
1388 
1389 		if (slot < 0)
1390 			continue;
1391 		input_mt_slot(input, slot);
1392 		input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1393 
1394 		if (touch) {
1395 			int t_x = get_unaligned_le16(&data[offset + 2]);
1396 			int t_y = get_unaligned_le16(&data[offset + 4 + y_offset]);
1397 
1398 			input_report_abs(input, ABS_MT_POSITION_X, t_x);
1399 			input_report_abs(input, ABS_MT_POSITION_Y, t_y);
1400 
1401 			if (wacom->features.type != WACOM_27QHDT) {
1402 				int c_x = get_unaligned_le16(&data[offset + 4]);
1403 				int c_y = get_unaligned_le16(&data[offset + 8]);
1404 				int w = get_unaligned_le16(&data[offset + 10]);
1405 				int h = get_unaligned_le16(&data[offset + 12]);
1406 
1407 				input_report_abs(input, ABS_MT_TOUCH_MAJOR, min(w,h));
1408 				input_report_abs(input, ABS_MT_WIDTH_MAJOR,
1409 						 min(w, h) + int_dist(t_x, t_y, c_x, c_y));
1410 				input_report_abs(input, ABS_MT_WIDTH_MINOR, min(w, h));
1411 				input_report_abs(input, ABS_MT_ORIENTATION, w > h);
1412 			}
1413 		}
1414 	}
1415 	input_mt_sync_frame(input);
1416 
1417 	wacom->num_contacts_left -= contacts_to_send;
1418 	if (wacom->num_contacts_left <= 0) {
1419 		wacom->num_contacts_left = 0;
1420 		wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1421 	}
1422 	return 1;
1423 }
1424 
1425 static int wacom_mt_touch(struct wacom_wac *wacom)
1426 {
1427 	struct input_dev *input = wacom->touch_input;
1428 	unsigned char *data = wacom->data;
1429 	int i;
1430 	int current_num_contacts = data[2];
1431 	int contacts_to_send = 0;
1432 	int x_offset = 0;
1433 
1434 	/* MTTPC does not support Height and Width */
1435 	if (wacom->features.type == MTTPC || wacom->features.type == MTTPC_B)
1436 		x_offset = -4;
1437 
1438 	/*
1439 	 * First packet resets the counter since only the first
1440 	 * packet in series will have non-zero current_num_contacts.
1441 	 */
1442 	if (current_num_contacts)
1443 		wacom->num_contacts_left = current_num_contacts;
1444 
1445 	/* There are at most 5 contacts per packet */
1446 	contacts_to_send = min(5, wacom->num_contacts_left);
1447 
1448 	for (i = 0; i < contacts_to_send; i++) {
1449 		int offset = (WACOM_BYTES_PER_MT_PACKET + x_offset) * i + 3;
1450 		bool touch = (data[offset] & 0x1) && report_touch_events(wacom);
1451 		int id = get_unaligned_le16(&data[offset + 1]);
1452 		int slot = input_mt_get_slot_by_key(input, id);
1453 
1454 		if (slot < 0)
1455 			continue;
1456 
1457 		input_mt_slot(input, slot);
1458 		input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1459 		if (touch) {
1460 			int x = get_unaligned_le16(&data[offset + x_offset + 7]);
1461 			int y = get_unaligned_le16(&data[offset + x_offset + 9]);
1462 			input_report_abs(input, ABS_MT_POSITION_X, x);
1463 			input_report_abs(input, ABS_MT_POSITION_Y, y);
1464 		}
1465 	}
1466 	input_mt_sync_frame(input);
1467 
1468 	wacom->num_contacts_left -= contacts_to_send;
1469 	if (wacom->num_contacts_left <= 0) {
1470 		wacom->num_contacts_left = 0;
1471 		wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1472 	}
1473 	return 1;
1474 }
1475 
1476 static int wacom_tpc_mt_touch(struct wacom_wac *wacom)
1477 {
1478 	struct input_dev *input = wacom->touch_input;
1479 	unsigned char *data = wacom->data;
1480 	int i;
1481 
1482 	for (i = 0; i < 2; i++) {
1483 		int p = data[1] & (1 << i);
1484 		bool touch = p && report_touch_events(wacom);
1485 
1486 		input_mt_slot(input, i);
1487 		input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1488 		if (touch) {
1489 			int x = le16_to_cpup((__le16 *)&data[i * 2 + 2]) & 0x7fff;
1490 			int y = le16_to_cpup((__le16 *)&data[i * 2 + 6]) & 0x7fff;
1491 
1492 			input_report_abs(input, ABS_MT_POSITION_X, x);
1493 			input_report_abs(input, ABS_MT_POSITION_Y, y);
1494 		}
1495 	}
1496 	input_mt_sync_frame(input);
1497 
1498 	/* keep touch state for pen event */
1499 	wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1500 
1501 	return 1;
1502 }
1503 
1504 static int wacom_tpc_single_touch(struct wacom_wac *wacom, size_t len)
1505 {
1506 	unsigned char *data = wacom->data;
1507 	struct input_dev *input = wacom->touch_input;
1508 	bool prox = report_touch_events(wacom);
1509 	int x = 0, y = 0;
1510 
1511 	if (wacom->features.touch_max > 1 || len > WACOM_PKGLEN_TPC2FG)
1512 		return 0;
1513 
1514 	if (len == WACOM_PKGLEN_TPC1FG) {
1515 		prox = prox && (data[0] & 0x01);
1516 		x = get_unaligned_le16(&data[1]);
1517 		y = get_unaligned_le16(&data[3]);
1518 	} else if (len == WACOM_PKGLEN_TPC1FG_B) {
1519 		prox = prox && (data[2] & 0x01);
1520 		x = get_unaligned_le16(&data[3]);
1521 		y = get_unaligned_le16(&data[5]);
1522 	} else {
1523 		prox = prox && (data[1] & 0x01);
1524 		x = le16_to_cpup((__le16 *)&data[2]);
1525 		y = le16_to_cpup((__le16 *)&data[4]);
1526 	}
1527 
1528 	if (prox) {
1529 		input_report_abs(input, ABS_X, x);
1530 		input_report_abs(input, ABS_Y, y);
1531 	}
1532 	input_report_key(input, BTN_TOUCH, prox);
1533 
1534 	/* keep touch state for pen events */
1535 	wacom->shared->touch_down = prox;
1536 
1537 	return 1;
1538 }
1539 
1540 static int wacom_tpc_pen(struct wacom_wac *wacom)
1541 {
1542 	unsigned char *data = wacom->data;
1543 	struct input_dev *input = wacom->pen_input;
1544 	bool prox = data[1] & 0x20;
1545 
1546 	if (!wacom->shared->stylus_in_proximity) /* first in prox */
1547 		/* Going into proximity select tool */
1548 		wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
1549 
1550 	/* keep pen state for touch events */
1551 	wacom->shared->stylus_in_proximity = prox;
1552 
1553 	/* send pen events only when touch is up or forced out
1554 	 * or touch arbitration is off
1555 	 */
1556 	if (!delay_pen_events(wacom)) {
1557 		input_report_key(input, BTN_STYLUS, data[1] & 0x02);
1558 		input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
1559 		input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
1560 		input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
1561 		input_report_abs(input, ABS_PRESSURE, ((data[7] & 0x07) << 8) | data[6]);
1562 		input_report_key(input, BTN_TOUCH, data[1] & 0x05);
1563 		input_report_key(input, wacom->tool[0], prox);
1564 		return 1;
1565 	}
1566 
1567 	return 0;
1568 }
1569 
1570 static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len)
1571 {
1572 	unsigned char *data = wacom->data;
1573 
1574 	if (wacom->pen_input)
1575 		dev_dbg(wacom->pen_input->dev.parent,
1576 			"%s: received report #%d\n", __func__, data[0]);
1577 	else if (wacom->touch_input)
1578 		dev_dbg(wacom->touch_input->dev.parent,
1579 			"%s: received report #%d\n", __func__, data[0]);
1580 
1581 	switch (len) {
1582 	case WACOM_PKGLEN_TPC1FG:
1583 		return wacom_tpc_single_touch(wacom, len);
1584 
1585 	case WACOM_PKGLEN_TPC2FG:
1586 		return wacom_tpc_mt_touch(wacom);
1587 
1588 	case WACOM_PKGLEN_PENABLED:
1589 		return wacom_tpc_pen(wacom);
1590 
1591 	default:
1592 		switch (data[0]) {
1593 		case WACOM_REPORT_TPC1FG:
1594 		case WACOM_REPORT_TPCHID:
1595 		case WACOM_REPORT_TPCST:
1596 		case WACOM_REPORT_TPC1FGE:
1597 			return wacom_tpc_single_touch(wacom, len);
1598 
1599 		case WACOM_REPORT_TPCMT:
1600 		case WACOM_REPORT_TPCMT2:
1601 			return wacom_mt_touch(wacom);
1602 
1603 		case WACOM_REPORT_PENABLED:
1604 			return wacom_tpc_pen(wacom);
1605 		}
1606 	}
1607 
1608 	return 0;
1609 }
1610 
1611 int wacom_equivalent_usage(int usage)
1612 {
1613 	if ((usage & HID_USAGE_PAGE) == WACOM_HID_UP_WACOMDIGITIZER) {
1614 		int subpage = (usage & 0xFF00) << 8;
1615 		int subusage = (usage & 0xFF);
1616 
1617 		if (subpage == WACOM_HID_SP_PAD ||
1618 		    subpage == WACOM_HID_SP_BUTTON ||
1619 		    subpage == WACOM_HID_SP_DIGITIZER ||
1620 		    subpage == WACOM_HID_SP_DIGITIZERINFO ||
1621 		    usage == WACOM_HID_WD_SENSE ||
1622 		    usage == WACOM_HID_WD_SERIALHI ||
1623 		    usage == WACOM_HID_WD_TOOLTYPE ||
1624 		    usage == WACOM_HID_WD_DISTANCE ||
1625 		    usage == WACOM_HID_WD_TOUCHSTRIP ||
1626 		    usage == WACOM_HID_WD_TOUCHSTRIP2 ||
1627 		    usage == WACOM_HID_WD_TOUCHRING ||
1628 		    usage == WACOM_HID_WD_TOUCHRINGSTATUS) {
1629 			return usage;
1630 		}
1631 
1632 		if (subpage == HID_UP_UNDEFINED)
1633 			subpage = HID_UP_DIGITIZER;
1634 
1635 		return subpage | subusage;
1636 	}
1637 
1638 	if ((usage & HID_USAGE_PAGE) == WACOM_HID_UP_WACOMTOUCH) {
1639 		int subpage = (usage & 0xFF00) << 8;
1640 		int subusage = (usage & 0xFF);
1641 
1642 		if (subpage == HID_UP_UNDEFINED)
1643 			subpage = WACOM_HID_SP_DIGITIZER;
1644 
1645 		return subpage | subusage;
1646 	}
1647 
1648 	return usage;
1649 }
1650 
1651 static void wacom_map_usage(struct input_dev *input, struct hid_usage *usage,
1652 		struct hid_field *field, __u8 type, __u16 code, int fuzz)
1653 {
1654 	struct wacom *wacom = input_get_drvdata(input);
1655 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1656 	struct wacom_features *features = &wacom_wac->features;
1657 	int fmin = field->logical_minimum;
1658 	int fmax = field->logical_maximum;
1659 	unsigned int equivalent_usage = wacom_equivalent_usage(usage->hid);
1660 	int resolution_code = code;
1661 
1662 	if (equivalent_usage == HID_DG_TWIST) {
1663 		resolution_code = ABS_RZ;
1664 	}
1665 
1666 	if (equivalent_usage == HID_GD_X) {
1667 		fmin += features->offset_left;
1668 		fmax -= features->offset_right;
1669 	}
1670 	if (equivalent_usage == HID_GD_Y) {
1671 		fmin += features->offset_top;
1672 		fmax -= features->offset_bottom;
1673 	}
1674 
1675 	usage->type = type;
1676 	usage->code = code;
1677 
1678 	set_bit(type, input->evbit);
1679 
1680 	switch (type) {
1681 	case EV_ABS:
1682 		input_set_abs_params(input, code, fmin, fmax, fuzz, 0);
1683 		input_abs_set_res(input, code,
1684 				  hidinput_calc_abs_res(field, resolution_code));
1685 		break;
1686 	case EV_KEY:
1687 		input_set_capability(input, EV_KEY, code);
1688 		break;
1689 	case EV_MSC:
1690 		input_set_capability(input, EV_MSC, code);
1691 		break;
1692 	case EV_SW:
1693 		input_set_capability(input, EV_SW, code);
1694 		break;
1695 	}
1696 }
1697 
1698 static void wacom_wac_pad_usage_mapping(struct hid_device *hdev,
1699 		struct hid_field *field, struct hid_usage *usage)
1700 {
1701 	struct wacom *wacom = hid_get_drvdata(hdev);
1702 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1703 	struct wacom_features *features = &wacom_wac->features;
1704 	struct input_dev *input = wacom_wac->pad_input;
1705 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1706 
1707 	switch (equivalent_usage) {
1708 	case WACOM_HID_WD_BATTERY_LEVEL:
1709 	case WACOM_HID_WD_BATTERY_CHARGING:
1710 		features->quirks |= WACOM_QUIRK_BATTERY;
1711 		break;
1712 	case WACOM_HID_WD_ACCELEROMETER_X:
1713 		__set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
1714 		wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 0);
1715 		features->device_type |= WACOM_DEVICETYPE_PAD;
1716 		break;
1717 	case WACOM_HID_WD_ACCELEROMETER_Y:
1718 		__set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
1719 		wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 0);
1720 		features->device_type |= WACOM_DEVICETYPE_PAD;
1721 		break;
1722 	case WACOM_HID_WD_ACCELEROMETER_Z:
1723 		__set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
1724 		wacom_map_usage(input, usage, field, EV_ABS, ABS_Z, 0);
1725 		features->device_type |= WACOM_DEVICETYPE_PAD;
1726 		break;
1727 	case WACOM_HID_WD_BUTTONCENTER:
1728 		wacom->generic_has_leds = true;
1729 		/* fall through */
1730 	case WACOM_HID_WD_BUTTONHOME:
1731 	case WACOM_HID_WD_BUTTONUP:
1732 	case WACOM_HID_WD_BUTTONDOWN:
1733 	case WACOM_HID_WD_BUTTONLEFT:
1734 	case WACOM_HID_WD_BUTTONRIGHT:
1735 		wacom_map_usage(input, usage, field, EV_KEY,
1736 				wacom_numbered_button_to_key(features->numbered_buttons),
1737 				0);
1738 		features->numbered_buttons++;
1739 		features->device_type |= WACOM_DEVICETYPE_PAD;
1740 		break;
1741 	case WACOM_HID_WD_TOUCHONOFF:
1742 		/*
1743 		 * This usage, which is used to mute touch events, comes
1744 		 * from the pad packet, but is reported on the touch
1745 		 * interface. Because the touch interface may not have
1746 		 * been created yet, we cannot call wacom_map_usage(). In
1747 		 * order to process this usage when we receive it, we set
1748 		 * the usage type and code directly.
1749 		 */
1750 		wacom_wac->has_mute_touch_switch = true;
1751 		usage->type = EV_SW;
1752 		usage->code = SW_MUTE_DEVICE;
1753 		features->device_type |= WACOM_DEVICETYPE_PAD;
1754 		break;
1755 	case WACOM_HID_WD_TOUCHSTRIP:
1756 		wacom_map_usage(input, usage, field, EV_ABS, ABS_RX, 0);
1757 		features->device_type |= WACOM_DEVICETYPE_PAD;
1758 		break;
1759 	case WACOM_HID_WD_TOUCHSTRIP2:
1760 		wacom_map_usage(input, usage, field, EV_ABS, ABS_RY, 0);
1761 		features->device_type |= WACOM_DEVICETYPE_PAD;
1762 		break;
1763 	case WACOM_HID_WD_TOUCHRING:
1764 		wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0);
1765 		features->device_type |= WACOM_DEVICETYPE_PAD;
1766 		break;
1767 	case WACOM_HID_WD_TOUCHRINGSTATUS:
1768 		wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0);
1769 		features->device_type |= WACOM_DEVICETYPE_PAD;
1770 		break;
1771 	}
1772 
1773 	switch (equivalent_usage & 0xfffffff0) {
1774 	case WACOM_HID_WD_EXPRESSKEY00:
1775 		wacom_map_usage(input, usage, field, EV_KEY,
1776 				wacom_numbered_button_to_key(features->numbered_buttons),
1777 				0);
1778 		features->numbered_buttons++;
1779 		features->device_type |= WACOM_DEVICETYPE_PAD;
1780 		break;
1781 	}
1782 }
1783 
1784 static void wacom_wac_pad_battery_event(struct hid_device *hdev, struct hid_field *field,
1785 		struct hid_usage *usage, __s32 value)
1786 {
1787 	struct wacom *wacom = hid_get_drvdata(hdev);
1788 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1789 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1790 
1791 	switch (equivalent_usage) {
1792 	case WACOM_HID_WD_BATTERY_LEVEL:
1793 		wacom_wac->hid_data.battery_capacity = value;
1794 		wacom_wac->hid_data.bat_connected = 1;
1795 		break;
1796 
1797 	case WACOM_HID_WD_BATTERY_CHARGING:
1798 		wacom_wac->hid_data.bat_charging = value;
1799 		wacom_wac->hid_data.ps_connected = value;
1800 		wacom_wac->hid_data.bat_connected = 1;
1801 		break;
1802 	}
1803 }
1804 
1805 static void wacom_wac_pad_event(struct hid_device *hdev, struct hid_field *field,
1806 		struct hid_usage *usage, __s32 value)
1807 {
1808 	struct wacom *wacom = hid_get_drvdata(hdev);
1809 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1810 	struct input_dev *input = wacom_wac->pad_input;
1811 	struct wacom_features *features = &wacom_wac->features;
1812 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1813 	int i;
1814 
1815 	/*
1816 	 * Avoid reporting this event and setting inrange_state if this usage
1817 	 * hasn't been mapped.
1818 	 */
1819 	if (!usage->type)
1820 		return;
1821 
1822 	if (wacom_equivalent_usage(field->physical) == HID_DG_TABLETFUNCTIONKEY) {
1823 		if (usage->hid != WACOM_HID_WD_TOUCHRING)
1824 			wacom_wac->hid_data.inrange_state |= value;
1825 	}
1826 
1827 	switch (equivalent_usage) {
1828 	case WACOM_HID_WD_TOUCHRINGSTATUS:
1829 		if (!value)
1830 			input_event(input, usage->type, usage->code, 0);
1831 		break;
1832 
1833 	case WACOM_HID_WD_TOUCHONOFF:
1834 		if (wacom_wac->shared->touch_input) {
1835 			input_report_switch(wacom_wac->shared->touch_input,
1836 					    SW_MUTE_DEVICE, !value);
1837 			input_sync(wacom_wac->shared->touch_input);
1838 		}
1839 		break;
1840 
1841 	case WACOM_HID_WD_BUTTONCENTER:
1842 		for (i = 0; i < wacom->led.count; i++)
1843 			wacom_update_led(wacom, features->numbered_buttons,
1844 					 value, i);
1845 		 /* fall through*/
1846 	default:
1847 		input_event(input, usage->type, usage->code, value);
1848 		break;
1849 	}
1850 }
1851 
1852 static void wacom_wac_pad_pre_report(struct hid_device *hdev,
1853 		struct hid_report *report)
1854 {
1855 	struct wacom *wacom = hid_get_drvdata(hdev);
1856 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1857 
1858 	wacom_wac->hid_data.inrange_state = 0;
1859 }
1860 
1861 static void wacom_wac_pad_battery_report(struct hid_device *hdev,
1862 		struct hid_report *report)
1863 {
1864 	struct wacom *wacom = hid_get_drvdata(hdev);
1865 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1866 	struct wacom_features *features = &wacom_wac->features;
1867 
1868 	if (features->quirks & WACOM_QUIRK_BATTERY) {
1869 		int capacity = wacom_wac->hid_data.battery_capacity;
1870 		bool charging = wacom_wac->hid_data.bat_charging;
1871 		bool connected = wacom_wac->hid_data.bat_connected;
1872 		bool powered = wacom_wac->hid_data.ps_connected;
1873 
1874 		wacom_notify_battery(wacom_wac, capacity, charging,
1875 				     connected, powered);
1876 	}
1877 }
1878 
1879 static void wacom_wac_pad_report(struct hid_device *hdev,
1880 		struct hid_report *report)
1881 {
1882 	struct wacom *wacom = hid_get_drvdata(hdev);
1883 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1884 	struct input_dev *input = wacom_wac->pad_input;
1885 	bool active = wacom_wac->hid_data.inrange_state != 0;
1886 
1887 	/* report prox for expresskey events */
1888 	if (wacom_equivalent_usage(report->field[0]->physical) == HID_DG_TABLETFUNCTIONKEY) {
1889 		input_event(input, EV_ABS, ABS_MISC, active ? PAD_DEVICE_ID : 0);
1890 		input_sync(input);
1891 	}
1892 
1893 }
1894 
1895 static void wacom_wac_pen_usage_mapping(struct hid_device *hdev,
1896 		struct hid_field *field, struct hid_usage *usage)
1897 {
1898 	struct wacom *wacom = hid_get_drvdata(hdev);
1899 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1900 	struct wacom_features *features = &wacom_wac->features;
1901 	struct input_dev *input = wacom_wac->pen_input;
1902 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1903 
1904 	switch (equivalent_usage) {
1905 	case HID_GD_X:
1906 		wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 4);
1907 		break;
1908 	case HID_GD_Y:
1909 		wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 4);
1910 		break;
1911 	case WACOM_HID_WD_DISTANCE:
1912 	case HID_GD_Z:
1913 		wacom_map_usage(input, usage, field, EV_ABS, ABS_DISTANCE, 0);
1914 		break;
1915 	case HID_DG_TIPPRESSURE:
1916 		wacom_map_usage(input, usage, field, EV_ABS, ABS_PRESSURE, 0);
1917 		break;
1918 	case HID_DG_INRANGE:
1919 		wacom_map_usage(input, usage, field, EV_KEY, BTN_TOOL_PEN, 0);
1920 		break;
1921 	case HID_DG_BATTERYSTRENGTH:
1922 		features->quirks |= WACOM_QUIRK_BATTERY;
1923 		break;
1924 	case HID_DG_INVERT:
1925 		wacom_map_usage(input, usage, field, EV_KEY,
1926 				BTN_TOOL_RUBBER, 0);
1927 		break;
1928 	case HID_DG_TILT_X:
1929 		wacom_map_usage(input, usage, field, EV_ABS, ABS_TILT_X, 0);
1930 		break;
1931 	case HID_DG_TILT_Y:
1932 		wacom_map_usage(input, usage, field, EV_ABS, ABS_TILT_Y, 0);
1933 		break;
1934 	case HID_DG_TWIST:
1935 		wacom_map_usage(input, usage, field, EV_ABS, ABS_Z, 0);
1936 		break;
1937 	case HID_DG_ERASER:
1938 	case HID_DG_TIPSWITCH:
1939 		wacom_map_usage(input, usage, field, EV_KEY, BTN_TOUCH, 0);
1940 		break;
1941 	case HID_DG_BARRELSWITCH:
1942 		wacom_map_usage(input, usage, field, EV_KEY, BTN_STYLUS, 0);
1943 		break;
1944 	case HID_DG_BARRELSWITCH2:
1945 		wacom_map_usage(input, usage, field, EV_KEY, BTN_STYLUS2, 0);
1946 		break;
1947 	case HID_DG_TOOLSERIALNUMBER:
1948 		wacom_map_usage(input, usage, field, EV_MSC, MSC_SERIAL, 0);
1949 		break;
1950 	case WACOM_HID_WD_SENSE:
1951 		features->quirks |= WACOM_QUIRK_SENSE;
1952 		wacom_map_usage(input, usage, field, EV_KEY, BTN_TOOL_PEN, 0);
1953 		break;
1954 	case WACOM_HID_WD_SERIALHI:
1955 		wacom_map_usage(input, usage, field, EV_ABS, ABS_MISC, 0);
1956 		set_bit(EV_KEY, input->evbit);
1957 		input_set_capability(input, EV_KEY, BTN_TOOL_PEN);
1958 		input_set_capability(input, EV_KEY, BTN_TOOL_RUBBER);
1959 		input_set_capability(input, EV_KEY, BTN_TOOL_BRUSH);
1960 		input_set_capability(input, EV_KEY, BTN_TOOL_PENCIL);
1961 		input_set_capability(input, EV_KEY, BTN_TOOL_AIRBRUSH);
1962 		input_set_capability(input, EV_KEY, BTN_TOOL_MOUSE);
1963 		input_set_capability(input, EV_KEY, BTN_TOOL_LENS);
1964 		break;
1965 	case WACOM_HID_WD_FINGERWHEEL:
1966 		wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0);
1967 		break;
1968 	}
1969 }
1970 
1971 static void wacom_wac_pen_event(struct hid_device *hdev, struct hid_field *field,
1972 		struct hid_usage *usage, __s32 value)
1973 {
1974 	struct wacom *wacom = hid_get_drvdata(hdev);
1975 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1976 	struct wacom_features *features = &wacom_wac->features;
1977 	struct input_dev *input = wacom_wac->pen_input;
1978 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1979 
1980 	switch (equivalent_usage) {
1981 	case HID_GD_Z:
1982 		/*
1983 		 * HID_GD_Z "should increase as the control's position is
1984 		 * moved from high to low", while ABS_DISTANCE instead
1985 		 * increases in value as the tool moves from low to high.
1986 		 */
1987 		value = field->logical_maximum - value;
1988 		break;
1989 	case HID_DG_INRANGE:
1990 		wacom_wac->hid_data.inrange_state = value;
1991 		if (!(features->quirks & WACOM_QUIRK_SENSE))
1992 			wacom_wac->hid_data.sense_state = value;
1993 		return;
1994 	case HID_DG_BATTERYSTRENGTH:
1995 		wacom_wac->hid_data.battery_capacity = value;
1996 		wacom_wac->hid_data.bat_connected = 1;
1997 		break;
1998 	case HID_DG_INVERT:
1999 		wacom_wac->hid_data.invert_state = value;
2000 		return;
2001 	case HID_DG_ERASER:
2002 	case HID_DG_TIPSWITCH:
2003 		wacom_wac->hid_data.tipswitch |= value;
2004 		return;
2005 	case HID_DG_TOOLSERIALNUMBER:
2006 		wacom_wac->serial[0] = (wacom_wac->serial[0] & ~0xFFFFFFFFULL);
2007 		wacom_wac->serial[0] |= value;
2008 		return;
2009 	case WACOM_HID_WD_SENSE:
2010 		wacom_wac->hid_data.sense_state = value;
2011 		return;
2012 	case WACOM_HID_WD_SERIALHI:
2013 		wacom_wac->serial[0] = (wacom_wac->serial[0] & 0xFFFFFFFF);
2014 		wacom_wac->serial[0] |= ((__u64)value) << 32;
2015 		/*
2016 		 * Non-USI EMR devices may contain additional tool type
2017 		 * information here. See WACOM_HID_WD_TOOLTYPE case for
2018 		 * more details.
2019 		 */
2020 		if (value >> 20 == 1) {
2021 			wacom_wac->id[0] |= value & 0xFFFFF;
2022 		}
2023 		return;
2024 	case WACOM_HID_WD_TOOLTYPE:
2025 		/*
2026 		 * Some devices (MobileStudio Pro, and possibly later
2027 		 * devices as well) do not return the complete tool
2028 		 * type in their WACOM_HID_WD_TOOLTYPE usage. Use a
2029 		 * bitwise OR so the complete value can be built
2030 		 * up over time :(
2031 		 */
2032 		wacom_wac->id[0] |= value;
2033 		return;
2034 	case WACOM_HID_WD_OFFSETLEFT:
2035 		if (features->offset_left && value != features->offset_left)
2036 			hid_warn(hdev, "%s: overriding exising left offset "
2037 				 "%d -> %d\n", __func__, value,
2038 				 features->offset_left);
2039 		features->offset_left = value;
2040 		return;
2041 	case WACOM_HID_WD_OFFSETRIGHT:
2042 		if (features->offset_right && value != features->offset_right)
2043 			hid_warn(hdev, "%s: overriding exising right offset "
2044 				 "%d -> %d\n", __func__, value,
2045 				 features->offset_right);
2046 		features->offset_right = value;
2047 		return;
2048 	case WACOM_HID_WD_OFFSETTOP:
2049 		if (features->offset_top && value != features->offset_top)
2050 			hid_warn(hdev, "%s: overriding exising top offset "
2051 				 "%d -> %d\n", __func__, value,
2052 				 features->offset_top);
2053 		features->offset_top = value;
2054 		return;
2055 	case WACOM_HID_WD_OFFSETBOTTOM:
2056 		if (features->offset_bottom && value != features->offset_bottom)
2057 			hid_warn(hdev, "%s: overriding exising bottom offset "
2058 				 "%d -> %d\n", __func__, value,
2059 				 features->offset_bottom);
2060 		features->offset_bottom = value;
2061 		return;
2062 	}
2063 
2064 	/* send pen events only when touch is up or forced out
2065 	 * or touch arbitration is off
2066 	 */
2067 	if (!usage->type || delay_pen_events(wacom_wac))
2068 		return;
2069 
2070 	/* send pen events only when the pen is in/entering/leaving proximity */
2071 	if (!wacom_wac->hid_data.inrange_state && !wacom_wac->tool[0])
2072 		return;
2073 
2074 	input_event(input, usage->type, usage->code, value);
2075 }
2076 
2077 static void wacom_wac_pen_pre_report(struct hid_device *hdev,
2078 		struct hid_report *report)
2079 {
2080 	return;
2081 }
2082 
2083 static void wacom_wac_pen_report(struct hid_device *hdev,
2084 		struct hid_report *report)
2085 {
2086 	struct wacom *wacom = hid_get_drvdata(hdev);
2087 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2088 	struct input_dev *input = wacom_wac->pen_input;
2089 	bool prox = wacom_wac->hid_data.inrange_state;
2090 	bool range = wacom_wac->hid_data.sense_state;
2091 
2092 	if (!wacom_wac->tool[0] && prox) { /* first in prox */
2093 		/* Going into proximity select tool */
2094 		if (wacom_wac->hid_data.invert_state)
2095 			wacom_wac->tool[0] = BTN_TOOL_RUBBER;
2096 		else if (wacom_wac->id[0])
2097 			wacom_wac->tool[0] = wacom_intuos_get_tool_type(wacom_wac->id[0]);
2098 		else
2099 			wacom_wac->tool[0] = BTN_TOOL_PEN;
2100 	}
2101 
2102 	/* keep pen state for touch events */
2103 	wacom_wac->shared->stylus_in_proximity = range;
2104 
2105 	if (!delay_pen_events(wacom_wac) && wacom_wac->tool[0]) {
2106 		int id = wacom_wac->id[0];
2107 
2108 		/*
2109 		 * Non-USI EMR tools should have their IDs mangled to
2110 		 * match the legacy behavior of wacom_intuos_general
2111 		 */
2112 		if (wacom_wac->serial[0] >> 52 == 1)
2113 			id = wacom_intuos_id_mangle(id);
2114 
2115 		/*
2116 		 * To ensure compatibility with xf86-input-wacom, we should
2117 		 * report the BTN_TOOL_* event prior to the ABS_MISC or
2118 		 * MSC_SERIAL events.
2119 		 */
2120 		input_report_key(input, BTN_TOUCH,
2121 				wacom_wac->hid_data.tipswitch);
2122 		input_report_key(input, wacom_wac->tool[0], prox);
2123 		if (wacom_wac->serial[0]) {
2124 			input_event(input, EV_MSC, MSC_SERIAL, wacom_wac->serial[0]);
2125 			input_report_abs(input, ABS_MISC, id);
2126 		}
2127 
2128 		wacom_wac->hid_data.tipswitch = false;
2129 
2130 		input_sync(input);
2131 	}
2132 
2133 	if (!prox) {
2134 		wacom_wac->tool[0] = 0;
2135 		wacom_wac->id[0] = 0;
2136 	}
2137 }
2138 
2139 static void wacom_wac_finger_usage_mapping(struct hid_device *hdev,
2140 		struct hid_field *field, struct hid_usage *usage)
2141 {
2142 	struct wacom *wacom = hid_get_drvdata(hdev);
2143 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2144 	struct input_dev *input = wacom_wac->touch_input;
2145 	unsigned touch_max = wacom_wac->features.touch_max;
2146 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2147 
2148 	switch (equivalent_usage) {
2149 	case HID_GD_X:
2150 		if (touch_max == 1)
2151 			wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 4);
2152 		else
2153 			wacom_map_usage(input, usage, field, EV_ABS,
2154 					ABS_MT_POSITION_X, 4);
2155 		break;
2156 	case HID_GD_Y:
2157 		if (touch_max == 1)
2158 			wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 4);
2159 		else
2160 			wacom_map_usage(input, usage, field, EV_ABS,
2161 					ABS_MT_POSITION_Y, 4);
2162 		break;
2163 	case HID_DG_WIDTH:
2164 	case HID_DG_HEIGHT:
2165 		wacom_map_usage(input, usage, field, EV_ABS, ABS_MT_TOUCH_MAJOR, 0);
2166 		wacom_map_usage(input, usage, field, EV_ABS, ABS_MT_TOUCH_MINOR, 0);
2167 		input_set_abs_params(input, ABS_MT_ORIENTATION, 0, 1, 0, 0);
2168 		break;
2169 	case HID_DG_TIPSWITCH:
2170 		wacom_map_usage(input, usage, field, EV_KEY, BTN_TOUCH, 0);
2171 		break;
2172 	case HID_DG_CONTACTCOUNT:
2173 		wacom_wac->hid_data.cc_report = field->report->id;
2174 		wacom_wac->hid_data.cc_index = field->index;
2175 		wacom_wac->hid_data.cc_value_index = usage->usage_index;
2176 		break;
2177 	}
2178 }
2179 
2180 static void wacom_wac_finger_slot(struct wacom_wac *wacom_wac,
2181 		struct input_dev *input)
2182 {
2183 	struct hid_data *hid_data = &wacom_wac->hid_data;
2184 	bool mt = wacom_wac->features.touch_max > 1;
2185 	bool prox = hid_data->tipswitch &&
2186 		    report_touch_events(wacom_wac);
2187 
2188 	wacom_wac->hid_data.num_received++;
2189 	if (wacom_wac->hid_data.num_received > wacom_wac->hid_data.num_expected)
2190 		return;
2191 
2192 	if (mt) {
2193 		int slot;
2194 
2195 		slot = input_mt_get_slot_by_key(input, hid_data->id);
2196 		input_mt_slot(input, slot);
2197 		input_mt_report_slot_state(input, MT_TOOL_FINGER, prox);
2198 	}
2199 	else {
2200 		input_report_key(input, BTN_TOUCH, prox);
2201 	}
2202 
2203 	if (prox) {
2204 		input_report_abs(input, mt ? ABS_MT_POSITION_X : ABS_X,
2205 				 hid_data->x);
2206 		input_report_abs(input, mt ? ABS_MT_POSITION_Y : ABS_Y,
2207 				 hid_data->y);
2208 
2209 		if (test_bit(ABS_MT_TOUCH_MAJOR, input->absbit)) {
2210 			input_report_abs(input, ABS_MT_TOUCH_MAJOR, max(hid_data->width, hid_data->height));
2211 			input_report_abs(input, ABS_MT_TOUCH_MINOR, min(hid_data->width, hid_data->height));
2212 			if (hid_data->width != hid_data->height)
2213 				input_report_abs(input, ABS_MT_ORIENTATION, hid_data->width <= hid_data->height ? 0 : 1);
2214 		}
2215 	}
2216 }
2217 
2218 static void wacom_wac_finger_event(struct hid_device *hdev,
2219 		struct hid_field *field, struct hid_usage *usage, __s32 value)
2220 {
2221 	struct wacom *wacom = hid_get_drvdata(hdev);
2222 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2223 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2224 
2225 	switch (equivalent_usage) {
2226 	case HID_GD_X:
2227 		wacom_wac->hid_data.x = value;
2228 		break;
2229 	case HID_GD_Y:
2230 		wacom_wac->hid_data.y = value;
2231 		break;
2232 	case HID_DG_WIDTH:
2233 		wacom_wac->hid_data.width = value;
2234 		break;
2235 	case HID_DG_HEIGHT:
2236 		wacom_wac->hid_data.height = value;
2237 		break;
2238 	case HID_DG_CONTACTID:
2239 		wacom_wac->hid_data.id = value;
2240 		break;
2241 	case HID_DG_TIPSWITCH:
2242 		wacom_wac->hid_data.tipswitch = value;
2243 		break;
2244 	}
2245 
2246 
2247 	if (usage->usage_index + 1 == field->report_count) {
2248 		if (equivalent_usage == wacom_wac->hid_data.last_slot_field)
2249 			wacom_wac_finger_slot(wacom_wac, wacom_wac->touch_input);
2250 	}
2251 }
2252 
2253 static void wacom_wac_finger_pre_report(struct hid_device *hdev,
2254 		struct hid_report *report)
2255 {
2256 	struct wacom *wacom = hid_get_drvdata(hdev);
2257 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2258 	struct hid_data* hid_data = &wacom_wac->hid_data;
2259 	int i;
2260 
2261 	for (i = 0; i < report->maxfield; i++) {
2262 		struct hid_field *field = report->field[i];
2263 		int j;
2264 
2265 		for (j = 0; j < field->maxusage; j++) {
2266 			struct hid_usage *usage = &field->usage[j];
2267 			unsigned int equivalent_usage =
2268 				wacom_equivalent_usage(usage->hid);
2269 
2270 			switch (equivalent_usage) {
2271 			case HID_GD_X:
2272 			case HID_GD_Y:
2273 			case HID_DG_WIDTH:
2274 			case HID_DG_HEIGHT:
2275 			case HID_DG_CONTACTID:
2276 			case HID_DG_INRANGE:
2277 			case HID_DG_INVERT:
2278 			case HID_DG_TIPSWITCH:
2279 				hid_data->last_slot_field = equivalent_usage;
2280 				break;
2281 			case HID_DG_CONTACTCOUNT:
2282 				hid_data->cc_report = report->id;
2283 				hid_data->cc_index = i;
2284 				hid_data->cc_value_index = j;
2285 				break;
2286 			}
2287 		}
2288 	}
2289 
2290 	if (hid_data->cc_report != 0 &&
2291 	    hid_data->cc_index >= 0) {
2292 		struct hid_field *field = report->field[hid_data->cc_index];
2293 		int value = field->value[hid_data->cc_value_index];
2294 		if (value)
2295 			hid_data->num_expected = value;
2296 	}
2297 	else {
2298 		hid_data->num_expected = wacom_wac->features.touch_max;
2299 	}
2300 }
2301 
2302 static void wacom_wac_finger_report(struct hid_device *hdev,
2303 		struct hid_report *report)
2304 {
2305 	struct wacom *wacom = hid_get_drvdata(hdev);
2306 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2307 	struct input_dev *input = wacom_wac->touch_input;
2308 	unsigned touch_max = wacom_wac->features.touch_max;
2309 
2310 	/* If more packets of data are expected, give us a chance to
2311 	 * process them rather than immediately syncing a partial
2312 	 * update.
2313 	 */
2314 	if (wacom_wac->hid_data.num_received < wacom_wac->hid_data.num_expected)
2315 		return;
2316 
2317 	if (touch_max > 1)
2318 		input_mt_sync_frame(input);
2319 
2320 	input_sync(input);
2321 	wacom_wac->hid_data.num_received = 0;
2322 
2323 	/* keep touch state for pen event */
2324 	wacom_wac->shared->touch_down = wacom_wac_finger_count_touches(wacom_wac);
2325 }
2326 
2327 void wacom_wac_usage_mapping(struct hid_device *hdev,
2328 		struct hid_field *field, struct hid_usage *usage)
2329 {
2330 	struct wacom *wacom = hid_get_drvdata(hdev);
2331 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2332 	struct wacom_features *features = &wacom_wac->features;
2333 
2334 	if (WACOM_DIRECT_DEVICE(field))
2335 		features->device_type |= WACOM_DEVICETYPE_DIRECT;
2336 
2337 	if (WACOM_PAD_FIELD(field))
2338 		wacom_wac_pad_usage_mapping(hdev, field, usage);
2339 	else if (WACOM_PEN_FIELD(field))
2340 		wacom_wac_pen_usage_mapping(hdev, field, usage);
2341 	else if (WACOM_FINGER_FIELD(field))
2342 		wacom_wac_finger_usage_mapping(hdev, field, usage);
2343 }
2344 
2345 void wacom_wac_event(struct hid_device *hdev, struct hid_field *field,
2346 		struct hid_usage *usage, __s32 value)
2347 {
2348 	struct wacom *wacom = hid_get_drvdata(hdev);
2349 
2350 	if (wacom->wacom_wac.features.type != HID_GENERIC)
2351 		return;
2352 
2353 	if (value > field->logical_maximum || value < field->logical_minimum)
2354 		return;
2355 
2356 	if (WACOM_PAD_FIELD(field)) {
2357 		wacom_wac_pad_battery_event(hdev, field, usage, value);
2358 		if (wacom->wacom_wac.pad_input)
2359 			wacom_wac_pad_event(hdev, field, usage, value);
2360 	} else if (WACOM_PEN_FIELD(field) && wacom->wacom_wac.pen_input)
2361 		wacom_wac_pen_event(hdev, field, usage, value);
2362 	else if (WACOM_FINGER_FIELD(field) && wacom->wacom_wac.touch_input)
2363 		wacom_wac_finger_event(hdev, field, usage, value);
2364 }
2365 
2366 static void wacom_report_events(struct hid_device *hdev, struct hid_report *report)
2367 {
2368 	int r;
2369 
2370 	for (r = 0; r < report->maxfield; r++) {
2371 		struct hid_field *field;
2372 		unsigned count, n;
2373 
2374 		field = report->field[r];
2375 		count = field->report_count;
2376 
2377 		if (!(HID_MAIN_ITEM_VARIABLE & field->flags))
2378 			continue;
2379 
2380 		for (n = 0; n < count; n++)
2381 			wacom_wac_event(hdev, field, &field->usage[n], field->value[n]);
2382 	}
2383 }
2384 
2385 void wacom_wac_report(struct hid_device *hdev, struct hid_report *report)
2386 {
2387 	struct wacom *wacom = hid_get_drvdata(hdev);
2388 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2389 	struct hid_field *field = report->field[0];
2390 
2391 	if (wacom_wac->features.type != HID_GENERIC)
2392 		return;
2393 
2394 	if (WACOM_PAD_FIELD(field) && wacom->wacom_wac.pad_input)
2395 		wacom_wac_pad_pre_report(hdev, report);
2396 	else if (WACOM_PEN_FIELD(field) && wacom->wacom_wac.pen_input)
2397 		wacom_wac_pen_pre_report(hdev, report);
2398 	else if (WACOM_FINGER_FIELD(field) && wacom->wacom_wac.touch_input)
2399 		wacom_wac_finger_pre_report(hdev, report);
2400 
2401 	wacom_report_events(hdev, report);
2402 
2403 	/*
2404 	 * Non-input reports may be sent prior to the device being
2405 	 * completely initialized. Since only their events need
2406 	 * to be processed, exit after 'wacom_report_events' has
2407 	 * been called to prevent potential crashes in the report-
2408 	 * processing functions.
2409 	 */
2410 	if (report->type != HID_INPUT_REPORT)
2411 		return;
2412 
2413 	if (WACOM_PAD_FIELD(field)) {
2414 		wacom_wac_pad_battery_report(hdev, report);
2415 		if (wacom->wacom_wac.pad_input)
2416 			wacom_wac_pad_report(hdev, report);
2417 	} else if (WACOM_PEN_FIELD(field) && wacom->wacom_wac.pen_input)
2418 		wacom_wac_pen_report(hdev, report);
2419 	else if (WACOM_FINGER_FIELD(field) && wacom->wacom_wac.touch_input)
2420 		wacom_wac_finger_report(hdev, report);
2421 }
2422 
2423 static int wacom_bpt_touch(struct wacom_wac *wacom)
2424 {
2425 	struct wacom_features *features = &wacom->features;
2426 	struct input_dev *input = wacom->touch_input;
2427 	struct input_dev *pad_input = wacom->pad_input;
2428 	unsigned char *data = wacom->data;
2429 	int i;
2430 
2431 	if (data[0] != 0x02)
2432 	    return 0;
2433 
2434 	for (i = 0; i < 2; i++) {
2435 		int offset = (data[1] & 0x80) ? (8 * i) : (9 * i);
2436 		bool touch = report_touch_events(wacom)
2437 			   && (data[offset + 3] & 0x80);
2438 
2439 		input_mt_slot(input, i);
2440 		input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
2441 		if (touch) {
2442 			int x = get_unaligned_be16(&data[offset + 3]) & 0x7ff;
2443 			int y = get_unaligned_be16(&data[offset + 5]) & 0x7ff;
2444 			if (features->quirks & WACOM_QUIRK_BBTOUCH_LOWRES) {
2445 				x <<= 5;
2446 				y <<= 5;
2447 			}
2448 			input_report_abs(input, ABS_MT_POSITION_X, x);
2449 			input_report_abs(input, ABS_MT_POSITION_Y, y);
2450 		}
2451 	}
2452 
2453 	input_mt_sync_frame(input);
2454 
2455 	input_report_key(pad_input, BTN_LEFT, (data[1] & 0x08) != 0);
2456 	input_report_key(pad_input, BTN_FORWARD, (data[1] & 0x04) != 0);
2457 	input_report_key(pad_input, BTN_BACK, (data[1] & 0x02) != 0);
2458 	input_report_key(pad_input, BTN_RIGHT, (data[1] & 0x01) != 0);
2459 	wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
2460 
2461 	return 1;
2462 }
2463 
2464 static void wacom_bpt3_touch_msg(struct wacom_wac *wacom, unsigned char *data)
2465 {
2466 	struct wacom_features *features = &wacom->features;
2467 	struct input_dev *input = wacom->touch_input;
2468 	bool touch = data[1] & 0x80;
2469 	int slot = input_mt_get_slot_by_key(input, data[0]);
2470 
2471 	if (slot < 0)
2472 		return;
2473 
2474 	touch = touch && report_touch_events(wacom);
2475 
2476 	input_mt_slot(input, slot);
2477 	input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
2478 
2479 	if (touch) {
2480 		int x = (data[2] << 4) | (data[4] >> 4);
2481 		int y = (data[3] << 4) | (data[4] & 0x0f);
2482 		int width, height;
2483 
2484 		if (features->type >= INTUOSPS && features->type <= INTUOSHT2) {
2485 			width  = data[5] * 100;
2486 			height = data[6] * 100;
2487 		} else {
2488 			/*
2489 			 * "a" is a scaled-down area which we assume is
2490 			 * roughly circular and which can be described as:
2491 			 * a=(pi*r^2)/C.
2492 			 */
2493 			int a = data[5];
2494 			int x_res = input_abs_get_res(input, ABS_MT_POSITION_X);
2495 			int y_res = input_abs_get_res(input, ABS_MT_POSITION_Y);
2496 			width = 2 * int_sqrt(a * WACOM_CONTACT_AREA_SCALE);
2497 			height = width * y_res / x_res;
2498 		}
2499 
2500 		input_report_abs(input, ABS_MT_POSITION_X, x);
2501 		input_report_abs(input, ABS_MT_POSITION_Y, y);
2502 		input_report_abs(input, ABS_MT_TOUCH_MAJOR, width);
2503 		input_report_abs(input, ABS_MT_TOUCH_MINOR, height);
2504 	}
2505 }
2506 
2507 static void wacom_bpt3_button_msg(struct wacom_wac *wacom, unsigned char *data)
2508 {
2509 	struct input_dev *input = wacom->pad_input;
2510 	struct wacom_features *features = &wacom->features;
2511 
2512 	if (features->type == INTUOSHT || features->type == INTUOSHT2) {
2513 		input_report_key(input, BTN_LEFT, (data[1] & 0x02) != 0);
2514 		input_report_key(input, BTN_BACK, (data[1] & 0x08) != 0);
2515 	} else {
2516 		input_report_key(input, BTN_BACK, (data[1] & 0x02) != 0);
2517 		input_report_key(input, BTN_LEFT, (data[1] & 0x08) != 0);
2518 	}
2519 	input_report_key(input, BTN_FORWARD, (data[1] & 0x04) != 0);
2520 	input_report_key(input, BTN_RIGHT, (data[1] & 0x01) != 0);
2521 }
2522 
2523 static int wacom_bpt3_touch(struct wacom_wac *wacom)
2524 {
2525 	unsigned char *data = wacom->data;
2526 	int count = data[1] & 0x07;
2527 	int  touch_changed = 0, i;
2528 
2529 	if (data[0] != 0x02)
2530 	    return 0;
2531 
2532 	/* data has up to 7 fixed sized 8-byte messages starting at data[2] */
2533 	for (i = 0; i < count; i++) {
2534 		int offset = (8 * i) + 2;
2535 		int msg_id = data[offset];
2536 
2537 		if (msg_id >= 2 && msg_id <= 17) {
2538 			wacom_bpt3_touch_msg(wacom, data + offset);
2539 			touch_changed++;
2540 		} else if (msg_id == 128)
2541 			wacom_bpt3_button_msg(wacom, data + offset);
2542 
2543 	}
2544 
2545 	/* only update touch if we actually have a touchpad and touch data changed */
2546 	if (wacom->touch_input && touch_changed) {
2547 		input_mt_sync_frame(wacom->touch_input);
2548 		wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
2549 	}
2550 
2551 	return 1;
2552 }
2553 
2554 static int wacom_bpt_pen(struct wacom_wac *wacom)
2555 {
2556 	struct wacom_features *features = &wacom->features;
2557 	struct input_dev *input = wacom->pen_input;
2558 	unsigned char *data = wacom->data;
2559 	int prox = 0, x = 0, y = 0, p = 0, d = 0, pen = 0, btn1 = 0, btn2 = 0;
2560 
2561 	if (data[0] != WACOM_REPORT_PENABLED)
2562 	    return 0;
2563 
2564 	prox = (data[1] & 0x20) == 0x20;
2565 
2566 	/*
2567 	 * All reports shared between PEN and RUBBER tool must be
2568 	 * forced to a known starting value (zero) when transitioning to
2569 	 * out-of-prox.
2570 	 *
2571 	 * If not reset then, to userspace, it will look like lost events
2572 	 * if new tool comes in-prox with same values as previous tool sent.
2573 	 *
2574 	 * Hardware does report zero in most out-of-prox cases but not all.
2575 	 */
2576 	if (!wacom->shared->stylus_in_proximity) {
2577 		if (data[1] & 0x08) {
2578 			wacom->tool[0] = BTN_TOOL_RUBBER;
2579 			wacom->id[0] = ERASER_DEVICE_ID;
2580 		} else {
2581 			wacom->tool[0] = BTN_TOOL_PEN;
2582 			wacom->id[0] = STYLUS_DEVICE_ID;
2583 		}
2584 	}
2585 
2586 	wacom->shared->stylus_in_proximity = prox;
2587 	if (delay_pen_events(wacom))
2588 		return 0;
2589 
2590 	if (prox) {
2591 		x = le16_to_cpup((__le16 *)&data[2]);
2592 		y = le16_to_cpup((__le16 *)&data[4]);
2593 		p = le16_to_cpup((__le16 *)&data[6]);
2594 		/*
2595 		 * Convert distance from out prox to distance from tablet.
2596 		 * distance will be greater than distance_max once
2597 		 * touching and applying pressure; do not report negative
2598 		 * distance.
2599 		 */
2600 		if (data[8] <= features->distance_max)
2601 			d = features->distance_max - data[8];
2602 
2603 		pen = data[1] & 0x01;
2604 		btn1 = data[1] & 0x02;
2605 		btn2 = data[1] & 0x04;
2606 	} else {
2607 		wacom->id[0] = 0;
2608 	}
2609 
2610 	input_report_key(input, BTN_TOUCH, pen);
2611 	input_report_key(input, BTN_STYLUS, btn1);
2612 	input_report_key(input, BTN_STYLUS2, btn2);
2613 
2614 	input_report_abs(input, ABS_X, x);
2615 	input_report_abs(input, ABS_Y, y);
2616 	input_report_abs(input, ABS_PRESSURE, p);
2617 	input_report_abs(input, ABS_DISTANCE, d);
2618 
2619 	input_report_key(input, wacom->tool[0], prox); /* PEN or RUBBER */
2620 	input_report_abs(input, ABS_MISC, wacom->id[0]); /* TOOL ID */
2621 
2622 	return 1;
2623 }
2624 
2625 static int wacom_bpt_irq(struct wacom_wac *wacom, size_t len)
2626 {
2627 	struct wacom_features *features = &wacom->features;
2628 
2629 	if ((features->type == INTUOSHT2) &&
2630 	    (features->device_type & WACOM_DEVICETYPE_PEN))
2631 		return wacom_intuos_irq(wacom);
2632 	else if (len == WACOM_PKGLEN_BBTOUCH)
2633 		return wacom_bpt_touch(wacom);
2634 	else if (len == WACOM_PKGLEN_BBTOUCH3)
2635 		return wacom_bpt3_touch(wacom);
2636 	else if (len == WACOM_PKGLEN_BBFUN || len == WACOM_PKGLEN_BBPEN)
2637 		return wacom_bpt_pen(wacom);
2638 
2639 	return 0;
2640 }
2641 
2642 static void wacom_bamboo_pad_pen_event(struct wacom_wac *wacom,
2643 		unsigned char *data)
2644 {
2645 	unsigned char prefix;
2646 
2647 	/*
2648 	 * We need to reroute the event from the debug interface to the
2649 	 * pen interface.
2650 	 * We need to add the report ID to the actual pen report, so we
2651 	 * temporary overwrite the first byte to prevent having to kzalloc/kfree
2652 	 * and memcpy the report.
2653 	 */
2654 	prefix = data[0];
2655 	data[0] = WACOM_REPORT_BPAD_PEN;
2656 
2657 	/*
2658 	 * actually reroute the event.
2659 	 * No need to check if wacom->shared->pen is valid, hid_input_report()
2660 	 * will check for us.
2661 	 */
2662 	hid_input_report(wacom->shared->pen, HID_INPUT_REPORT, data,
2663 			 WACOM_PKGLEN_PENABLED, 1);
2664 
2665 	data[0] = prefix;
2666 }
2667 
2668 static int wacom_bamboo_pad_touch_event(struct wacom_wac *wacom,
2669 		unsigned char *data)
2670 {
2671 	struct input_dev *input = wacom->touch_input;
2672 	unsigned char *finger_data, prefix;
2673 	unsigned id;
2674 	int x, y;
2675 	bool valid;
2676 
2677 	prefix = data[0];
2678 
2679 	for (id = 0; id < wacom->features.touch_max; id++) {
2680 		valid = !!(prefix & BIT(id)) &&
2681 			report_touch_events(wacom);
2682 
2683 		input_mt_slot(input, id);
2684 		input_mt_report_slot_state(input, MT_TOOL_FINGER, valid);
2685 
2686 		if (!valid)
2687 			continue;
2688 
2689 		finger_data = data + 1 + id * 3;
2690 		x = finger_data[0] | ((finger_data[1] & 0x0f) << 8);
2691 		y = (finger_data[2] << 4) | (finger_data[1] >> 4);
2692 
2693 		input_report_abs(input, ABS_MT_POSITION_X, x);
2694 		input_report_abs(input, ABS_MT_POSITION_Y, y);
2695 	}
2696 
2697 	input_mt_sync_frame(input);
2698 
2699 	input_report_key(input, BTN_LEFT, prefix & 0x40);
2700 	input_report_key(input, BTN_RIGHT, prefix & 0x80);
2701 
2702 	/* keep touch state for pen event */
2703 	wacom->shared->touch_down = !!prefix && report_touch_events(wacom);
2704 
2705 	return 1;
2706 }
2707 
2708 static int wacom_bamboo_pad_irq(struct wacom_wac *wacom, size_t len)
2709 {
2710 	unsigned char *data = wacom->data;
2711 
2712 	if (!((len == WACOM_PKGLEN_BPAD_TOUCH) ||
2713 	      (len == WACOM_PKGLEN_BPAD_TOUCH_USB)) ||
2714 	    (data[0] != WACOM_REPORT_BPAD_TOUCH))
2715 		return 0;
2716 
2717 	if (data[1] & 0x01)
2718 		wacom_bamboo_pad_pen_event(wacom, &data[1]);
2719 
2720 	if (data[1] & 0x02)
2721 		return wacom_bamboo_pad_touch_event(wacom, &data[9]);
2722 
2723 	return 0;
2724 }
2725 
2726 static int wacom_wireless_irq(struct wacom_wac *wacom, size_t len)
2727 {
2728 	unsigned char *data = wacom->data;
2729 	int connected;
2730 
2731 	if (len != WACOM_PKGLEN_WIRELESS || data[0] != WACOM_REPORT_WL)
2732 		return 0;
2733 
2734 	connected = data[1] & 0x01;
2735 	if (connected) {
2736 		int pid, battery, charging;
2737 
2738 		if ((wacom->shared->type == INTUOSHT ||
2739 		    wacom->shared->type == INTUOSHT2) &&
2740 		    wacom->shared->touch_input &&
2741 		    wacom->shared->touch_max) {
2742 			input_report_switch(wacom->shared->touch_input,
2743 					SW_MUTE_DEVICE, data[5] & 0x40);
2744 			input_sync(wacom->shared->touch_input);
2745 		}
2746 
2747 		pid = get_unaligned_be16(&data[6]);
2748 		battery = (data[5] & 0x3f) * 100 / 31;
2749 		charging = !!(data[5] & 0x80);
2750 		if (wacom->pid != pid) {
2751 			wacom->pid = pid;
2752 			wacom_schedule_work(wacom, WACOM_WORKER_WIRELESS);
2753 		}
2754 
2755 		wacom_notify_battery(wacom, battery, charging, 1, 0);
2756 
2757 	} else if (wacom->pid != 0) {
2758 		/* disconnected while previously connected */
2759 		wacom->pid = 0;
2760 		wacom_schedule_work(wacom, WACOM_WORKER_WIRELESS);
2761 		wacom_notify_battery(wacom, 0, 0, 0, 0);
2762 	}
2763 
2764 	return 0;
2765 }
2766 
2767 static int wacom_status_irq(struct wacom_wac *wacom_wac, size_t len)
2768 {
2769 	struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
2770 	struct wacom_features *features = &wacom_wac->features;
2771 	unsigned char *data = wacom_wac->data;
2772 
2773 	if (data[0] != WACOM_REPORT_USB)
2774 		return 0;
2775 
2776 	if ((features->type == INTUOSHT ||
2777 	    features->type == INTUOSHT2) &&
2778 	    wacom_wac->shared->touch_input &&
2779 	    features->touch_max) {
2780 		input_report_switch(wacom_wac->shared->touch_input,
2781 				    SW_MUTE_DEVICE, data[8] & 0x40);
2782 		input_sync(wacom_wac->shared->touch_input);
2783 	}
2784 
2785 	if (data[9] & 0x02) { /* wireless module is attached */
2786 		int battery = (data[8] & 0x3f) * 100 / 31;
2787 		bool charging = !!(data[8] & 0x80);
2788 
2789 		wacom_notify_battery(wacom_wac, battery, charging,
2790 				     battery || charging, 1);
2791 
2792 		if (!wacom->battery.battery &&
2793 		    !(features->quirks & WACOM_QUIRK_BATTERY)) {
2794 			features->quirks |= WACOM_QUIRK_BATTERY;
2795 			wacom_schedule_work(wacom_wac, WACOM_WORKER_BATTERY);
2796 		}
2797 	}
2798 	else if ((features->quirks & WACOM_QUIRK_BATTERY) &&
2799 		 wacom->battery.battery) {
2800 		features->quirks &= ~WACOM_QUIRK_BATTERY;
2801 		wacom_schedule_work(wacom_wac, WACOM_WORKER_BATTERY);
2802 		wacom_notify_battery(wacom_wac, 0, 0, 0, 0);
2803 	}
2804 	return 0;
2805 }
2806 
2807 void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len)
2808 {
2809 	bool sync;
2810 
2811 	switch (wacom_wac->features.type) {
2812 	case PENPARTNER:
2813 		sync = wacom_penpartner_irq(wacom_wac);
2814 		break;
2815 
2816 	case PL:
2817 		sync = wacom_pl_irq(wacom_wac);
2818 		break;
2819 
2820 	case WACOM_G4:
2821 	case GRAPHIRE:
2822 	case GRAPHIRE_BT:
2823 	case WACOM_MO:
2824 		sync = wacom_graphire_irq(wacom_wac);
2825 		break;
2826 
2827 	case PTU:
2828 		sync = wacom_ptu_irq(wacom_wac);
2829 		break;
2830 
2831 	case DTU:
2832 		sync = wacom_dtu_irq(wacom_wac);
2833 		break;
2834 
2835 	case DTUS:
2836 	case DTUSX:
2837 		sync = wacom_dtus_irq(wacom_wac);
2838 		break;
2839 
2840 	case INTUOS:
2841 	case INTUOS3S:
2842 	case INTUOS3:
2843 	case INTUOS3L:
2844 	case INTUOS4S:
2845 	case INTUOS4:
2846 	case INTUOS4L:
2847 	case CINTIQ:
2848 	case WACOM_BEE:
2849 	case WACOM_13HD:
2850 	case WACOM_21UX2:
2851 	case WACOM_22HD:
2852 	case WACOM_24HD:
2853 	case WACOM_27QHD:
2854 	case DTK:
2855 	case CINTIQ_HYBRID:
2856 	case CINTIQ_COMPANION_2:
2857 		sync = wacom_intuos_irq(wacom_wac);
2858 		break;
2859 
2860 	case INTUOS4WL:
2861 		sync = wacom_intuos_bt_irq(wacom_wac, len);
2862 		break;
2863 
2864 	case WACOM_24HDT:
2865 	case WACOM_27QHDT:
2866 		sync = wacom_24hdt_irq(wacom_wac);
2867 		break;
2868 
2869 	case INTUOS5S:
2870 	case INTUOS5:
2871 	case INTUOS5L:
2872 	case INTUOSPS:
2873 	case INTUOSPM:
2874 	case INTUOSPL:
2875 		if (len == WACOM_PKGLEN_BBTOUCH3)
2876 			sync = wacom_bpt3_touch(wacom_wac);
2877 		else if (wacom_wac->data[0] == WACOM_REPORT_USB)
2878 			sync = wacom_status_irq(wacom_wac, len);
2879 		else
2880 			sync = wacom_intuos_irq(wacom_wac);
2881 		break;
2882 
2883 	case INTUOSP2_BT:
2884 		sync = wacom_intuos_pro2_bt_irq(wacom_wac, len);
2885 		break;
2886 
2887 	case TABLETPC:
2888 	case TABLETPCE:
2889 	case TABLETPC2FG:
2890 	case MTSCREEN:
2891 	case MTTPC:
2892 	case MTTPC_B:
2893 		sync = wacom_tpc_irq(wacom_wac, len);
2894 		break;
2895 
2896 	case BAMBOO_PT:
2897 	case BAMBOO_PEN:
2898 	case BAMBOO_TOUCH:
2899 	case INTUOSHT:
2900 	case INTUOSHT2:
2901 		if (wacom_wac->data[0] == WACOM_REPORT_USB)
2902 			sync = wacom_status_irq(wacom_wac, len);
2903 		else
2904 			sync = wacom_bpt_irq(wacom_wac, len);
2905 		break;
2906 
2907 	case BAMBOO_PAD:
2908 		sync = wacom_bamboo_pad_irq(wacom_wac, len);
2909 		break;
2910 
2911 	case WIRELESS:
2912 		sync = wacom_wireless_irq(wacom_wac, len);
2913 		break;
2914 
2915 	case REMOTE:
2916 		sync = false;
2917 		if (wacom_wac->data[0] == WACOM_REPORT_DEVICE_LIST)
2918 			wacom_remote_status_irq(wacom_wac, len);
2919 		else
2920 			sync = wacom_remote_irq(wacom_wac, len);
2921 		break;
2922 
2923 	default:
2924 		sync = false;
2925 		break;
2926 	}
2927 
2928 	if (sync) {
2929 		if (wacom_wac->pen_input)
2930 			input_sync(wacom_wac->pen_input);
2931 		if (wacom_wac->touch_input)
2932 			input_sync(wacom_wac->touch_input);
2933 		if (wacom_wac->pad_input)
2934 			input_sync(wacom_wac->pad_input);
2935 	}
2936 }
2937 
2938 static void wacom_setup_basic_pro_pen(struct wacom_wac *wacom_wac)
2939 {
2940 	struct input_dev *input_dev = wacom_wac->pen_input;
2941 
2942 	input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
2943 
2944 	__set_bit(BTN_TOOL_PEN, input_dev->keybit);
2945 	__set_bit(BTN_STYLUS, input_dev->keybit);
2946 	__set_bit(BTN_STYLUS2, input_dev->keybit);
2947 
2948 	input_set_abs_params(input_dev, ABS_DISTANCE,
2949 			     0, wacom_wac->features.distance_max, wacom_wac->features.distance_fuzz, 0);
2950 }
2951 
2952 static void wacom_setup_cintiq(struct wacom_wac *wacom_wac)
2953 {
2954 	struct input_dev *input_dev = wacom_wac->pen_input;
2955 	struct wacom_features *features = &wacom_wac->features;
2956 
2957 	wacom_setup_basic_pro_pen(wacom_wac);
2958 
2959 	__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
2960 	__set_bit(BTN_TOOL_BRUSH, input_dev->keybit);
2961 	__set_bit(BTN_TOOL_PENCIL, input_dev->keybit);
2962 	__set_bit(BTN_TOOL_AIRBRUSH, input_dev->keybit);
2963 
2964 	input_set_abs_params(input_dev, ABS_WHEEL, 0, 1023, 0, 0);
2965 	input_set_abs_params(input_dev, ABS_TILT_X, -64, 63, features->tilt_fuzz, 0);
2966 	input_abs_set_res(input_dev, ABS_TILT_X, 57);
2967 	input_set_abs_params(input_dev, ABS_TILT_Y, -64, 63, features->tilt_fuzz, 0);
2968 	input_abs_set_res(input_dev, ABS_TILT_Y, 57);
2969 }
2970 
2971 static void wacom_setup_intuos(struct wacom_wac *wacom_wac)
2972 {
2973 	struct input_dev *input_dev = wacom_wac->pen_input;
2974 
2975 	input_set_capability(input_dev, EV_REL, REL_WHEEL);
2976 
2977 	wacom_setup_cintiq(wacom_wac);
2978 
2979 	__set_bit(BTN_LEFT, input_dev->keybit);
2980 	__set_bit(BTN_RIGHT, input_dev->keybit);
2981 	__set_bit(BTN_MIDDLE, input_dev->keybit);
2982 	__set_bit(BTN_SIDE, input_dev->keybit);
2983 	__set_bit(BTN_EXTRA, input_dev->keybit);
2984 	__set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
2985 	__set_bit(BTN_TOOL_LENS, input_dev->keybit);
2986 
2987 	input_set_abs_params(input_dev, ABS_RZ, -900, 899, 0, 0);
2988 	input_abs_set_res(input_dev, ABS_RZ, 287);
2989 	input_set_abs_params(input_dev, ABS_THROTTLE, -1023, 1023, 0, 0);
2990 }
2991 
2992 void wacom_setup_device_quirks(struct wacom *wacom)
2993 {
2994 	struct wacom_features *features = &wacom->wacom_wac.features;
2995 
2996 	/* The pen and pad share the same interface on most devices */
2997 	if (features->type == GRAPHIRE_BT || features->type == WACOM_G4 ||
2998 	    features->type == DTUS ||
2999 	    (features->type >= INTUOS3S && features->type <= WACOM_MO)) {
3000 		if (features->device_type & WACOM_DEVICETYPE_PEN)
3001 			features->device_type |= WACOM_DEVICETYPE_PAD;
3002 	}
3003 
3004 	/* touch device found but size is not defined. use default */
3005 	if (features->device_type & WACOM_DEVICETYPE_TOUCH && !features->x_max) {
3006 		features->x_max = 1023;
3007 		features->y_max = 1023;
3008 	}
3009 
3010 	/*
3011 	 * Intuos5/Pro and Bamboo 3rd gen have no useful data about its
3012 	 * touch interface in its HID descriptor. If this is the touch
3013 	 * interface (PacketSize of WACOM_PKGLEN_BBTOUCH3), override the
3014 	 * tablet values.
3015 	 */
3016 	if ((features->type >= INTUOS5S && features->type <= INTUOSPL) ||
3017 		(features->type >= INTUOSHT && features->type <= BAMBOO_PT)) {
3018 		if (features->pktlen == WACOM_PKGLEN_BBTOUCH3) {
3019 			if (features->touch_max)
3020 				features->device_type |= WACOM_DEVICETYPE_TOUCH;
3021 			if (features->type >= INTUOSHT && features->type <= BAMBOO_PT)
3022 				features->device_type |= WACOM_DEVICETYPE_PAD;
3023 
3024 			features->x_max = 4096;
3025 			features->y_max = 4096;
3026 		}
3027 		else if (features->pktlen == WACOM_PKGLEN_BBTOUCH) {
3028 			features->device_type |= WACOM_DEVICETYPE_PAD;
3029 		}
3030 	}
3031 
3032 	/*
3033 	 * Hack for the Bamboo One:
3034 	 * the device presents a PAD/Touch interface as most Bamboos and even
3035 	 * sends ghosts PAD data on it. However, later, we must disable this
3036 	 * ghost interface, and we can not detect it unless we set it here
3037 	 * to WACOM_DEVICETYPE_PAD or WACOM_DEVICETYPE_TOUCH.
3038 	 */
3039 	if (features->type == BAMBOO_PEN &&
3040 	    features->pktlen == WACOM_PKGLEN_BBTOUCH3)
3041 		features->device_type |= WACOM_DEVICETYPE_PAD;
3042 
3043 	/*
3044 	 * Raw Wacom-mode pen and touch events both come from interface
3045 	 * 0, whose HID descriptor has an application usage of 0xFF0D
3046 	 * (i.e., WACOM_HID_WD_DIGITIZER). We route pen packets back
3047 	 * out through the HID_GENERIC device created for interface 1,
3048 	 * so rewrite this one to be of type WACOM_DEVICETYPE_TOUCH.
3049 	 */
3050 	if (features->type == BAMBOO_PAD)
3051 		features->device_type = WACOM_DEVICETYPE_TOUCH;
3052 
3053 	if (features->type == REMOTE)
3054 		features->device_type = WACOM_DEVICETYPE_PAD;
3055 
3056 	if (features->type == INTUOSP2_BT) {
3057 		features->device_type |= WACOM_DEVICETYPE_PEN |
3058 					 WACOM_DEVICETYPE_PAD |
3059 					 WACOM_DEVICETYPE_TOUCH;
3060 		features->quirks |= WACOM_QUIRK_BATTERY;
3061 	}
3062 
3063 	switch (features->type) {
3064 	case PL:
3065 	case DTU:
3066 	case DTUS:
3067 	case DTUSX:
3068 	case WACOM_21UX2:
3069 	case WACOM_22HD:
3070 	case DTK:
3071 	case WACOM_24HD:
3072 	case WACOM_27QHD:
3073 	case CINTIQ_HYBRID:
3074 	case CINTIQ_COMPANION_2:
3075 	case CINTIQ:
3076 	case WACOM_BEE:
3077 	case WACOM_13HD:
3078 	case WACOM_24HDT:
3079 	case WACOM_27QHDT:
3080 	case TABLETPC:
3081 	case TABLETPCE:
3082 	case TABLETPC2FG:
3083 	case MTSCREEN:
3084 	case MTTPC:
3085 	case MTTPC_B:
3086 		features->device_type |= WACOM_DEVICETYPE_DIRECT;
3087 		break;
3088 	}
3089 
3090 	if (wacom->hdev->bus == BUS_BLUETOOTH)
3091 		features->quirks |= WACOM_QUIRK_BATTERY;
3092 
3093 	/* quirk for bamboo touch with 2 low res touches */
3094 	if ((features->type == BAMBOO_PT || features->type == BAMBOO_TOUCH) &&
3095 	    features->pktlen == WACOM_PKGLEN_BBTOUCH) {
3096 		features->x_max <<= 5;
3097 		features->y_max <<= 5;
3098 		features->x_fuzz <<= 5;
3099 		features->y_fuzz <<= 5;
3100 		features->quirks |= WACOM_QUIRK_BBTOUCH_LOWRES;
3101 	}
3102 
3103 	if (features->type == WIRELESS) {
3104 		if (features->device_type == WACOM_DEVICETYPE_WL_MONITOR) {
3105 			features->quirks |= WACOM_QUIRK_BATTERY;
3106 		}
3107 	}
3108 
3109 	if (features->type == REMOTE)
3110 		features->device_type |= WACOM_DEVICETYPE_WL_MONITOR;
3111 }
3112 
3113 int wacom_setup_pen_input_capabilities(struct input_dev *input_dev,
3114 				   struct wacom_wac *wacom_wac)
3115 {
3116 	struct wacom_features *features = &wacom_wac->features;
3117 
3118 	input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
3119 
3120 	if (!(features->device_type & WACOM_DEVICETYPE_PEN))
3121 		return -ENODEV;
3122 
3123 	if (features->device_type & WACOM_DEVICETYPE_DIRECT)
3124 		__set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
3125 	else
3126 		__set_bit(INPUT_PROP_POINTER, input_dev->propbit);
3127 
3128 	if (features->type == HID_GENERIC)
3129 		/* setup has already been done */
3130 		return 0;
3131 
3132 	__set_bit(BTN_TOUCH, input_dev->keybit);
3133 	__set_bit(ABS_MISC, input_dev->absbit);
3134 
3135 	input_set_abs_params(input_dev, ABS_X, 0 + features->offset_left,
3136 			     features->x_max - features->offset_right,
3137 			     features->x_fuzz, 0);
3138 	input_set_abs_params(input_dev, ABS_Y, 0 + features->offset_top,
3139 			     features->y_max - features->offset_bottom,
3140 			     features->y_fuzz, 0);
3141 	input_set_abs_params(input_dev, ABS_PRESSURE, 0,
3142 		features->pressure_max, features->pressure_fuzz, 0);
3143 
3144 	/* penabled devices have fixed resolution for each model */
3145 	input_abs_set_res(input_dev, ABS_X, features->x_resolution);
3146 	input_abs_set_res(input_dev, ABS_Y, features->y_resolution);
3147 
3148 	switch (features->type) {
3149 	case GRAPHIRE_BT:
3150 		__clear_bit(ABS_MISC, input_dev->absbit);
3151 
3152 	case WACOM_MO:
3153 	case WACOM_G4:
3154 		input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3155 					      features->distance_max,
3156 					      features->distance_fuzz, 0);
3157 		/* fall through */
3158 
3159 	case GRAPHIRE:
3160 		input_set_capability(input_dev, EV_REL, REL_WHEEL);
3161 
3162 		__set_bit(BTN_LEFT, input_dev->keybit);
3163 		__set_bit(BTN_RIGHT, input_dev->keybit);
3164 		__set_bit(BTN_MIDDLE, input_dev->keybit);
3165 
3166 		__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3167 		__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3168 		__set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
3169 		__set_bit(BTN_STYLUS, input_dev->keybit);
3170 		__set_bit(BTN_STYLUS2, input_dev->keybit);
3171 		break;
3172 
3173 	case WACOM_27QHD:
3174 	case WACOM_24HD:
3175 	case DTK:
3176 	case WACOM_22HD:
3177 	case WACOM_21UX2:
3178 	case WACOM_BEE:
3179 	case CINTIQ:
3180 	case WACOM_13HD:
3181 	case CINTIQ_HYBRID:
3182 	case CINTIQ_COMPANION_2:
3183 		input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3184 		input_abs_set_res(input_dev, ABS_Z, 287);
3185 		wacom_setup_cintiq(wacom_wac);
3186 		break;
3187 
3188 	case INTUOS3:
3189 	case INTUOS3L:
3190 	case INTUOS3S:
3191 	case INTUOS4:
3192 	case INTUOS4WL:
3193 	case INTUOS4L:
3194 	case INTUOS4S:
3195 		input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3196 		input_abs_set_res(input_dev, ABS_Z, 287);
3197 		/* fall through */
3198 
3199 	case INTUOS:
3200 		wacom_setup_intuos(wacom_wac);
3201 		break;
3202 
3203 	case INTUOS5:
3204 	case INTUOS5L:
3205 	case INTUOSPM:
3206 	case INTUOSPL:
3207 	case INTUOS5S:
3208 	case INTUOSPS:
3209 	case INTUOSP2_BT:
3210 		input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3211 				      features->distance_max,
3212 				      features->distance_fuzz, 0);
3213 
3214 		input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3215 		input_abs_set_res(input_dev, ABS_Z, 287);
3216 
3217 		wacom_setup_intuos(wacom_wac);
3218 		break;
3219 
3220 	case WACOM_24HDT:
3221 	case WACOM_27QHDT:
3222 	case MTSCREEN:
3223 	case MTTPC:
3224 	case MTTPC_B:
3225 	case TABLETPC2FG:
3226 	case TABLETPC:
3227 	case TABLETPCE:
3228 		__clear_bit(ABS_MISC, input_dev->absbit);
3229 		/* fall through */
3230 
3231 	case DTUS:
3232 	case DTUSX:
3233 	case PL:
3234 	case DTU:
3235 		__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3236 		__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3237 		__set_bit(BTN_STYLUS, input_dev->keybit);
3238 		__set_bit(BTN_STYLUS2, input_dev->keybit);
3239 		break;
3240 
3241 	case PTU:
3242 		__set_bit(BTN_STYLUS2, input_dev->keybit);
3243 		/* fall through */
3244 
3245 	case PENPARTNER:
3246 		__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3247 		__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3248 		__set_bit(BTN_STYLUS, input_dev->keybit);
3249 		break;
3250 
3251 	case INTUOSHT:
3252 	case BAMBOO_PT:
3253 	case BAMBOO_PEN:
3254 	case INTUOSHT2:
3255 		if (features->type == INTUOSHT2) {
3256 			wacom_setup_basic_pro_pen(wacom_wac);
3257 		} else {
3258 			__clear_bit(ABS_MISC, input_dev->absbit);
3259 			__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3260 			__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3261 			__set_bit(BTN_STYLUS, input_dev->keybit);
3262 			__set_bit(BTN_STYLUS2, input_dev->keybit);
3263 			input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3264 				      features->distance_max,
3265 				      features->distance_fuzz, 0);
3266 		}
3267 		break;
3268 	case BAMBOO_PAD:
3269 		__clear_bit(ABS_MISC, input_dev->absbit);
3270 		break;
3271 	}
3272 	return 0;
3273 }
3274 
3275 int wacom_setup_touch_input_capabilities(struct input_dev *input_dev,
3276 					 struct wacom_wac *wacom_wac)
3277 {
3278 	struct wacom_features *features = &wacom_wac->features;
3279 
3280 	input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
3281 
3282 	if (!(features->device_type & WACOM_DEVICETYPE_TOUCH))
3283 		return -ENODEV;
3284 
3285 	if (features->device_type & WACOM_DEVICETYPE_DIRECT)
3286 		__set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
3287 	else
3288 		__set_bit(INPUT_PROP_POINTER, input_dev->propbit);
3289 
3290 	if (features->type == HID_GENERIC)
3291 		/* setup has already been done */
3292 		return 0;
3293 
3294 	__set_bit(BTN_TOUCH, input_dev->keybit);
3295 
3296 	if (features->touch_max == 1) {
3297 		input_set_abs_params(input_dev, ABS_X, 0,
3298 			features->x_max, features->x_fuzz, 0);
3299 		input_set_abs_params(input_dev, ABS_Y, 0,
3300 			features->y_max, features->y_fuzz, 0);
3301 		input_abs_set_res(input_dev, ABS_X,
3302 				  features->x_resolution);
3303 		input_abs_set_res(input_dev, ABS_Y,
3304 				  features->y_resolution);
3305 	}
3306 	else if (features->touch_max > 1) {
3307 		input_set_abs_params(input_dev, ABS_MT_POSITION_X, 0,
3308 			features->x_max, features->x_fuzz, 0);
3309 		input_set_abs_params(input_dev, ABS_MT_POSITION_Y, 0,
3310 			features->y_max, features->y_fuzz, 0);
3311 		input_abs_set_res(input_dev, ABS_MT_POSITION_X,
3312 				  features->x_resolution);
3313 		input_abs_set_res(input_dev, ABS_MT_POSITION_Y,
3314 				  features->y_resolution);
3315 	}
3316 
3317 	switch (features->type) {
3318 	case INTUOSP2_BT:
3319 		input_dev->evbit[0] |= BIT_MASK(EV_SW);
3320 		__set_bit(SW_MUTE_DEVICE, input_dev->swbit);
3321 
3322 		if (wacom_wac->shared->touch->product == 0x361) {
3323 			input_set_abs_params(input_dev, ABS_MT_POSITION_X,
3324 					     0, 12440, 4, 0);
3325 			input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
3326 					     0, 8640, 4, 0);
3327 		}
3328 		else if (wacom_wac->shared->touch->product == 0x360) {
3329 			input_set_abs_params(input_dev, ABS_MT_POSITION_X,
3330 					     0, 8960, 4, 0);
3331 			input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
3332 					     0, 5920, 4, 0);
3333 		}
3334 		input_abs_set_res(input_dev, ABS_MT_POSITION_X, 40);
3335 		input_abs_set_res(input_dev, ABS_MT_POSITION_X, 40);
3336 
3337 		/* fall through */
3338 
3339 	case INTUOS5:
3340 	case INTUOS5L:
3341 	case INTUOSPM:
3342 	case INTUOSPL:
3343 	case INTUOS5S:
3344 	case INTUOSPS:
3345 		input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, features->x_max, 0, 0);
3346 		input_set_abs_params(input_dev, ABS_MT_TOUCH_MINOR, 0, features->y_max, 0, 0);
3347 		input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_POINTER);
3348 		break;
3349 
3350 	case WACOM_24HDT:
3351 		input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, features->x_max, 0, 0);
3352 		input_set_abs_params(input_dev, ABS_MT_WIDTH_MAJOR, 0, features->x_max, 0, 0);
3353 		input_set_abs_params(input_dev, ABS_MT_WIDTH_MINOR, 0, features->y_max, 0, 0);
3354 		input_set_abs_params(input_dev, ABS_MT_ORIENTATION, 0, 1, 0, 0);
3355 		/* fall through */
3356 
3357 	case WACOM_27QHDT:
3358 	case MTSCREEN:
3359 	case MTTPC:
3360 	case MTTPC_B:
3361 	case TABLETPC2FG:
3362 		input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_DIRECT);
3363 		/*fall through */
3364 
3365 	case TABLETPC:
3366 	case TABLETPCE:
3367 		break;
3368 
3369 	case INTUOSHT:
3370 	case INTUOSHT2:
3371 		input_dev->evbit[0] |= BIT_MASK(EV_SW);
3372 		__set_bit(SW_MUTE_DEVICE, input_dev->swbit);
3373 		/* fall through */
3374 
3375 	case BAMBOO_PT:
3376 	case BAMBOO_TOUCH:
3377 		if (features->pktlen == WACOM_PKGLEN_BBTOUCH3) {
3378 			input_set_abs_params(input_dev,
3379 				     ABS_MT_TOUCH_MAJOR,
3380 				     0, features->x_max, 0, 0);
3381 			input_set_abs_params(input_dev,
3382 				     ABS_MT_TOUCH_MINOR,
3383 				     0, features->y_max, 0, 0);
3384 		}
3385 		input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_POINTER);
3386 		break;
3387 
3388 	case BAMBOO_PAD:
3389 		input_mt_init_slots(input_dev, features->touch_max,
3390 				    INPUT_MT_POINTER);
3391 		__set_bit(BTN_LEFT, input_dev->keybit);
3392 		__set_bit(BTN_RIGHT, input_dev->keybit);
3393 		break;
3394 	}
3395 	return 0;
3396 }
3397 
3398 static int wacom_numbered_button_to_key(int n)
3399 {
3400 	if (n < 10)
3401 		return BTN_0 + n;
3402 	else if (n < 16)
3403 		return BTN_A + (n-10);
3404 	else if (n < 18)
3405 		return BTN_BASE + (n-16);
3406 	else
3407 		return 0;
3408 }
3409 
3410 static void wacom_setup_numbered_buttons(struct input_dev *input_dev,
3411 				int button_count)
3412 {
3413 	int i;
3414 
3415 	for (i = 0; i < button_count; i++) {
3416 		int key = wacom_numbered_button_to_key(i);
3417 
3418 		if (key)
3419 			__set_bit(key, input_dev->keybit);
3420 	}
3421 }
3422 
3423 static void wacom_24hd_update_leds(struct wacom *wacom, int mask, int group)
3424 {
3425 	struct wacom_led *led;
3426 	int i;
3427 	bool updated = false;
3428 
3429 	/*
3430 	 * 24HD has LED group 1 to the left and LED group 0 to the right.
3431 	 * So group 0 matches the second half of the buttons and thus the mask
3432 	 * needs to be shifted.
3433 	 */
3434 	if (group == 0)
3435 		mask >>= 8;
3436 
3437 	for (i = 0; i < 3; i++) {
3438 		led = wacom_led_find(wacom, group, i);
3439 		if (!led) {
3440 			hid_err(wacom->hdev, "can't find LED %d in group %d\n",
3441 				i, group);
3442 			continue;
3443 		}
3444 		if (!updated && mask & BIT(i)) {
3445 			led->held = true;
3446 			led_trigger_event(&led->trigger, LED_FULL);
3447 		} else {
3448 			led->held = false;
3449 		}
3450 	}
3451 }
3452 
3453 static bool wacom_is_led_toggled(struct wacom *wacom, int button_count,
3454 				 int mask, int group)
3455 {
3456 	int button_per_group;
3457 
3458 	/*
3459 	 * 21UX2 has LED group 1 to the left and LED group 0
3460 	 * to the right. We need to reverse the group to match this
3461 	 * historical behavior.
3462 	 */
3463 	if (wacom->wacom_wac.features.type == WACOM_21UX2)
3464 		group = 1 - group;
3465 
3466 	button_per_group = button_count/wacom->led.count;
3467 
3468 	return mask & (1 << (group * button_per_group));
3469 }
3470 
3471 static void wacom_update_led(struct wacom *wacom, int button_count, int mask,
3472 			     int group)
3473 {
3474 	struct wacom_led *led, *next_led;
3475 	int cur;
3476 	bool pressed;
3477 
3478 	if (wacom->wacom_wac.features.type == WACOM_24HD)
3479 		return wacom_24hd_update_leds(wacom, mask, group);
3480 
3481 	pressed = wacom_is_led_toggled(wacom, button_count, mask, group);
3482 	cur = wacom->led.groups[group].select;
3483 
3484 	led = wacom_led_find(wacom, group, cur);
3485 	if (!led) {
3486 		hid_err(wacom->hdev, "can't find current LED %d in group %d\n",
3487 			cur, group);
3488 		return;
3489 	}
3490 
3491 	if (!pressed) {
3492 		led->held = false;
3493 		return;
3494 	}
3495 
3496 	if (led->held && pressed)
3497 		return;
3498 
3499 	next_led = wacom_led_next(wacom, led);
3500 	if (!next_led) {
3501 		hid_err(wacom->hdev, "can't find next LED in group %d\n",
3502 			group);
3503 		return;
3504 	}
3505 	if (next_led == led)
3506 		return;
3507 
3508 	next_led->held = true;
3509 	led_trigger_event(&next_led->trigger,
3510 			  wacom_leds_brightness_get(next_led));
3511 }
3512 
3513 static void wacom_report_numbered_buttons(struct input_dev *input_dev,
3514 				int button_count, int mask)
3515 {
3516 	struct wacom *wacom = input_get_drvdata(input_dev);
3517 	int i;
3518 
3519 	for (i = 0; i < wacom->led.count; i++)
3520 		wacom_update_led(wacom,  button_count, mask, i);
3521 
3522 	for (i = 0; i < button_count; i++) {
3523 		int key = wacom_numbered_button_to_key(i);
3524 
3525 		if (key)
3526 			input_report_key(input_dev, key, mask & (1 << i));
3527 	}
3528 }
3529 
3530 int wacom_setup_pad_input_capabilities(struct input_dev *input_dev,
3531 				   struct wacom_wac *wacom_wac)
3532 {
3533 	struct wacom_features *features = &wacom_wac->features;
3534 
3535 	if ((features->type == HID_GENERIC) && features->numbered_buttons > 0)
3536 		features->device_type |= WACOM_DEVICETYPE_PAD;
3537 
3538 	if (!(features->device_type & WACOM_DEVICETYPE_PAD))
3539 		return -ENODEV;
3540 
3541 	if (features->type == REMOTE && input_dev == wacom_wac->pad_input)
3542 		return -ENODEV;
3543 
3544 	input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
3545 
3546 	/* kept for making legacy xf86-input-wacom working with the wheels */
3547 	__set_bit(ABS_MISC, input_dev->absbit);
3548 
3549 	/* kept for making legacy xf86-input-wacom accepting the pad */
3550 	if (!(input_dev->absinfo && (input_dev->absinfo[ABS_X].minimum ||
3551 	      input_dev->absinfo[ABS_X].maximum)))
3552 		input_set_abs_params(input_dev, ABS_X, 0, 1, 0, 0);
3553 	if (!(input_dev->absinfo && (input_dev->absinfo[ABS_Y].minimum ||
3554 	      input_dev->absinfo[ABS_Y].maximum)))
3555 		input_set_abs_params(input_dev, ABS_Y, 0, 1, 0, 0);
3556 
3557 	/* kept for making udev and libwacom accepting the pad */
3558 	__set_bit(BTN_STYLUS, input_dev->keybit);
3559 
3560 	wacom_setup_numbered_buttons(input_dev, features->numbered_buttons);
3561 
3562 	switch (features->type) {
3563 
3564 	case CINTIQ_HYBRID:
3565 	case CINTIQ_COMPANION_2:
3566 	case DTK:
3567 	case DTUS:
3568 	case GRAPHIRE_BT:
3569 		break;
3570 
3571 	case WACOM_MO:
3572 		__set_bit(BTN_BACK, input_dev->keybit);
3573 		__set_bit(BTN_LEFT, input_dev->keybit);
3574 		__set_bit(BTN_FORWARD, input_dev->keybit);
3575 		__set_bit(BTN_RIGHT, input_dev->keybit);
3576 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
3577 		break;
3578 
3579 	case WACOM_G4:
3580 		__set_bit(BTN_BACK, input_dev->keybit);
3581 		__set_bit(BTN_FORWARD, input_dev->keybit);
3582 		input_set_capability(input_dev, EV_REL, REL_WHEEL);
3583 		break;
3584 
3585 	case WACOM_24HD:
3586 		__set_bit(KEY_PROG1, input_dev->keybit);
3587 		__set_bit(KEY_PROG2, input_dev->keybit);
3588 		__set_bit(KEY_PROG3, input_dev->keybit);
3589 
3590 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
3591 		input_set_abs_params(input_dev, ABS_THROTTLE, 0, 71, 0, 0);
3592 		break;
3593 
3594 	case WACOM_27QHD:
3595 		__set_bit(KEY_PROG1, input_dev->keybit);
3596 		__set_bit(KEY_PROG2, input_dev->keybit);
3597 		__set_bit(KEY_PROG3, input_dev->keybit);
3598 		input_set_abs_params(input_dev, ABS_X, -2048, 2048, 0, 0);
3599 		input_abs_set_res(input_dev, ABS_X, 1024); /* points/g */
3600 		input_set_abs_params(input_dev, ABS_Y, -2048, 2048, 0, 0);
3601 		input_abs_set_res(input_dev, ABS_Y, 1024);
3602 		input_set_abs_params(input_dev, ABS_Z, -2048, 2048, 0, 0);
3603 		input_abs_set_res(input_dev, ABS_Z, 1024);
3604 		__set_bit(INPUT_PROP_ACCELEROMETER, input_dev->propbit);
3605 		break;
3606 
3607 	case WACOM_22HD:
3608 		__set_bit(KEY_PROG1, input_dev->keybit);
3609 		__set_bit(KEY_PROG2, input_dev->keybit);
3610 		__set_bit(KEY_PROG3, input_dev->keybit);
3611 		/* fall through */
3612 
3613 	case WACOM_21UX2:
3614 	case WACOM_BEE:
3615 	case CINTIQ:
3616 		input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
3617 		input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
3618 		break;
3619 
3620 	case WACOM_13HD:
3621 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
3622 		break;
3623 
3624 	case INTUOS3:
3625 	case INTUOS3L:
3626 		input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
3627 		/* fall through */
3628 
3629 	case INTUOS3S:
3630 		input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
3631 		break;
3632 
3633 	case INTUOS5:
3634 	case INTUOS5L:
3635 	case INTUOSPM:
3636 	case INTUOSPL:
3637 	case INTUOS5S:
3638 	case INTUOSPS:
3639 	case INTUOSP2_BT:
3640 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
3641 		break;
3642 
3643 	case INTUOS4WL:
3644 		/*
3645 		 * For Bluetooth devices, the udev rule does not work correctly
3646 		 * for pads unless we add a stylus capability, which forces
3647 		 * ID_INPUT_TABLET to be set.
3648 		 */
3649 		__set_bit(BTN_STYLUS, input_dev->keybit);
3650 		/* fall through */
3651 
3652 	case INTUOS4:
3653 	case INTUOS4L:
3654 	case INTUOS4S:
3655 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
3656 		break;
3657 
3658 	case INTUOSHT:
3659 	case BAMBOO_PT:
3660 	case BAMBOO_TOUCH:
3661 	case INTUOSHT2:
3662 		__clear_bit(ABS_MISC, input_dev->absbit);
3663 
3664 		__set_bit(BTN_LEFT, input_dev->keybit);
3665 		__set_bit(BTN_FORWARD, input_dev->keybit);
3666 		__set_bit(BTN_BACK, input_dev->keybit);
3667 		__set_bit(BTN_RIGHT, input_dev->keybit);
3668 
3669 		break;
3670 
3671 	case REMOTE:
3672 		input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
3673 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
3674 		break;
3675 
3676 	case HID_GENERIC:
3677 		break;
3678 
3679 	default:
3680 		/* no pad supported */
3681 		return -ENODEV;
3682 	}
3683 	return 0;
3684 }
3685 
3686 static const struct wacom_features wacom_features_0x00 =
3687 	{ "Wacom Penpartner", 5040, 3780, 255, 0,
3688 	  PENPARTNER, WACOM_PENPRTN_RES, WACOM_PENPRTN_RES };
3689 static const struct wacom_features wacom_features_0x10 =
3690 	{ "Wacom Graphire", 10206, 7422, 511, 63,
3691 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
3692 static const struct wacom_features wacom_features_0x81 =
3693 	{ "Wacom Graphire BT", 16704, 12064, 511, 32,
3694 	  GRAPHIRE_BT, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES, 2 };
3695 static const struct wacom_features wacom_features_0x11 =
3696 	{ "Wacom Graphire2 4x5", 10206, 7422, 511, 63,
3697 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
3698 static const struct wacom_features wacom_features_0x12 =
3699 	{ "Wacom Graphire2 5x7", 13918, 10206, 511, 63,
3700 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
3701 static const struct wacom_features wacom_features_0x13 =
3702 	{ "Wacom Graphire3", 10208, 7424, 511, 63,
3703 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
3704 static const struct wacom_features wacom_features_0x14 =
3705 	{ "Wacom Graphire3 6x8", 16704, 12064, 511, 63,
3706 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
3707 static const struct wacom_features wacom_features_0x15 =
3708 	{ "Wacom Graphire4 4x5", 10208, 7424, 511, 63,
3709 	  WACOM_G4, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
3710 static const struct wacom_features wacom_features_0x16 =
3711 	{ "Wacom Graphire4 6x8", 16704, 12064, 511, 63,
3712 	  WACOM_G4, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
3713 static const struct wacom_features wacom_features_0x17 =
3714 	{ "Wacom BambooFun 4x5", 14760, 9225, 511, 63,
3715 	  WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
3716 static const struct wacom_features wacom_features_0x18 =
3717 	{ "Wacom BambooFun 6x8", 21648, 13530, 511, 63,
3718 	  WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
3719 static const struct wacom_features wacom_features_0x19 =
3720 	{ "Wacom Bamboo1 Medium", 16704, 12064, 511, 63,
3721 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
3722 static const struct wacom_features wacom_features_0x60 =
3723 	{ "Wacom Volito", 5104, 3712, 511, 63,
3724 	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
3725 static const struct wacom_features wacom_features_0x61 =
3726 	{ "Wacom PenStation2", 3250, 2320, 255, 63,
3727 	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
3728 static const struct wacom_features wacom_features_0x62 =
3729 	{ "Wacom Volito2 4x5", 5104, 3712, 511, 63,
3730 	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
3731 static const struct wacom_features wacom_features_0x63 =
3732 	{ "Wacom Volito2 2x3", 3248, 2320, 511, 63,
3733 	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
3734 static const struct wacom_features wacom_features_0x64 =
3735 	{ "Wacom PenPartner2", 3250, 2320, 511, 63,
3736 	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
3737 static const struct wacom_features wacom_features_0x65 =
3738 	{ "Wacom Bamboo", 14760, 9225, 511, 63,
3739 	  WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
3740 static const struct wacom_features wacom_features_0x69 =
3741 	{ "Wacom Bamboo1", 5104, 3712, 511, 63,
3742 	  GRAPHIRE, WACOM_PENPRTN_RES, WACOM_PENPRTN_RES };
3743 static const struct wacom_features wacom_features_0x6A =
3744 	{ "Wacom Bamboo1 4x6", 14760, 9225, 1023, 63,
3745 	  GRAPHIRE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
3746 static const struct wacom_features wacom_features_0x6B =
3747 	{ "Wacom Bamboo1 5x8", 21648, 13530, 1023, 63,
3748 	  GRAPHIRE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
3749 static const struct wacom_features wacom_features_0x20 =
3750 	{ "Wacom Intuos 4x5", 12700, 10600, 1023, 31,
3751 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
3752 static const struct wacom_features wacom_features_0x21 =
3753 	{ "Wacom Intuos 6x8", 20320, 16240, 1023, 31,
3754 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
3755 static const struct wacom_features wacom_features_0x22 =
3756 	{ "Wacom Intuos 9x12", 30480, 24060, 1023, 31,
3757 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
3758 static const struct wacom_features wacom_features_0x23 =
3759 	{ "Wacom Intuos 12x12", 30480, 31680, 1023, 31,
3760 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
3761 static const struct wacom_features wacom_features_0x24 =
3762 	{ "Wacom Intuos 12x18", 45720, 31680, 1023, 31,
3763 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
3764 static const struct wacom_features wacom_features_0x30 =
3765 	{ "Wacom PL400", 5408, 4056, 255, 0,
3766 	  PL, WACOM_PL_RES, WACOM_PL_RES };
3767 static const struct wacom_features wacom_features_0x31 =
3768 	{ "Wacom PL500", 6144, 4608, 255, 0,
3769 	  PL, WACOM_PL_RES, WACOM_PL_RES };
3770 static const struct wacom_features wacom_features_0x32 =
3771 	{ "Wacom PL600", 6126, 4604, 255, 0,
3772 	  PL, WACOM_PL_RES, WACOM_PL_RES };
3773 static const struct wacom_features wacom_features_0x33 =
3774 	{ "Wacom PL600SX", 6260, 5016, 255, 0,
3775 	  PL, WACOM_PL_RES, WACOM_PL_RES };
3776 static const struct wacom_features wacom_features_0x34 =
3777 	{ "Wacom PL550", 6144, 4608, 511, 0,
3778 	  PL, WACOM_PL_RES, WACOM_PL_RES };
3779 static const struct wacom_features wacom_features_0x35 =
3780 	{ "Wacom PL800", 7220, 5780, 511, 0,
3781 	  PL, WACOM_PL_RES, WACOM_PL_RES };
3782 static const struct wacom_features wacom_features_0x37 =
3783 	{ "Wacom PL700", 6758, 5406, 511, 0,
3784 	  PL, WACOM_PL_RES, WACOM_PL_RES };
3785 static const struct wacom_features wacom_features_0x38 =
3786 	{ "Wacom PL510", 6282, 4762, 511, 0,
3787 	  PL, WACOM_PL_RES, WACOM_PL_RES };
3788 static const struct wacom_features wacom_features_0x39 =
3789 	{ "Wacom DTU710", 34080, 27660, 511, 0,
3790 	  PL, WACOM_PL_RES, WACOM_PL_RES };
3791 static const struct wacom_features wacom_features_0xC4 =
3792 	{ "Wacom DTF521", 6282, 4762, 511, 0,
3793 	  PL, WACOM_PL_RES, WACOM_PL_RES };
3794 static const struct wacom_features wacom_features_0xC0 =
3795 	{ "Wacom DTF720", 6858, 5506, 511, 0,
3796 	  PL, WACOM_PL_RES, WACOM_PL_RES };
3797 static const struct wacom_features wacom_features_0xC2 =
3798 	{ "Wacom DTF720a", 6858, 5506, 511, 0,
3799 	  PL, WACOM_PL_RES, WACOM_PL_RES };
3800 static const struct wacom_features wacom_features_0x03 =
3801 	{ "Wacom Cintiq Partner", 20480, 15360, 511, 0,
3802 	  PTU, WACOM_PL_RES, WACOM_PL_RES };
3803 static const struct wacom_features wacom_features_0x41 =
3804 	{ "Wacom Intuos2 4x5", 12700, 10600, 1023, 31,
3805 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
3806 static const struct wacom_features wacom_features_0x42 =
3807 	{ "Wacom Intuos2 6x8", 20320, 16240, 1023, 31,
3808 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
3809 static const struct wacom_features wacom_features_0x43 =
3810 	{ "Wacom Intuos2 9x12", 30480, 24060, 1023, 31,
3811 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
3812 static const struct wacom_features wacom_features_0x44 =
3813 	{ "Wacom Intuos2 12x12", 30480, 31680, 1023, 31,
3814 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
3815 static const struct wacom_features wacom_features_0x45 =
3816 	{ "Wacom Intuos2 12x18", 45720, 31680, 1023, 31,
3817 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
3818 static const struct wacom_features wacom_features_0xB0 =
3819 	{ "Wacom Intuos3 4x5", 25400, 20320, 1023, 63,
3820 	  INTUOS3S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 4 };
3821 static const struct wacom_features wacom_features_0xB1 =
3822 	{ "Wacom Intuos3 6x8", 40640, 30480, 1023, 63,
3823 	  INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
3824 static const struct wacom_features wacom_features_0xB2 =
3825 	{ "Wacom Intuos3 9x12", 60960, 45720, 1023, 63,
3826 	  INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
3827 static const struct wacom_features wacom_features_0xB3 =
3828 	{ "Wacom Intuos3 12x12", 60960, 60960, 1023, 63,
3829 	  INTUOS3L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
3830 static const struct wacom_features wacom_features_0xB4 =
3831 	{ "Wacom Intuos3 12x19", 97536, 60960, 1023, 63,
3832 	  INTUOS3L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
3833 static const struct wacom_features wacom_features_0xB5 =
3834 	{ "Wacom Intuos3 6x11", 54204, 31750, 1023, 63,
3835 	  INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
3836 static const struct wacom_features wacom_features_0xB7 =
3837 	{ "Wacom Intuos3 4x6", 31496, 19685, 1023, 63,
3838 	  INTUOS3S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 4 };
3839 static const struct wacom_features wacom_features_0xB8 =
3840 	{ "Wacom Intuos4 4x6", 31496, 19685, 2047, 63,
3841 	  INTUOS4S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7 };
3842 static const struct wacom_features wacom_features_0xB9 =
3843 	{ "Wacom Intuos4 6x9", 44704, 27940, 2047, 63,
3844 	  INTUOS4, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
3845 static const struct wacom_features wacom_features_0xBA =
3846 	{ "Wacom Intuos4 8x13", 65024, 40640, 2047, 63,
3847 	  INTUOS4L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
3848 static const struct wacom_features wacom_features_0xBB =
3849 	{ "Wacom Intuos4 12x19", 97536, 60960, 2047, 63,
3850 	  INTUOS4L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
3851 static const struct wacom_features wacom_features_0xBC =
3852 	{ "Wacom Intuos4 WL", 40640, 25400, 2047, 63,
3853 	  INTUOS4, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
3854 static const struct wacom_features wacom_features_0xBD =
3855 	{ "Wacom Intuos4 WL", 40640, 25400, 2047, 63,
3856 	  INTUOS4WL, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
3857 static const struct wacom_features wacom_features_0x26 =
3858 	{ "Wacom Intuos5 touch S", 31496, 19685, 2047, 63,
3859 	  INTUOS5S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7, .touch_max = 16 };
3860 static const struct wacom_features wacom_features_0x27 =
3861 	{ "Wacom Intuos5 touch M", 44704, 27940, 2047, 63,
3862 	  INTUOS5, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16 };
3863 static const struct wacom_features wacom_features_0x28 =
3864 	{ "Wacom Intuos5 touch L", 65024, 40640, 2047, 63,
3865 	  INTUOS5L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16 };
3866 static const struct wacom_features wacom_features_0x29 =
3867 	{ "Wacom Intuos5 S", 31496, 19685, 2047, 63,
3868 	  INTUOS5S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7 };
3869 static const struct wacom_features wacom_features_0x2A =
3870 	{ "Wacom Intuos5 M", 44704, 27940, 2047, 63,
3871 	  INTUOS5, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
3872 static const struct wacom_features wacom_features_0x314 =
3873 	{ "Wacom Intuos Pro S", 31496, 19685, 2047, 63,
3874 	  INTUOSPS, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7, .touch_max = 16,
3875 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
3876 static const struct wacom_features wacom_features_0x315 =
3877 	{ "Wacom Intuos Pro M", 44704, 27940, 2047, 63,
3878 	  INTUOSPM, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16,
3879 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
3880 static const struct wacom_features wacom_features_0x317 =
3881 	{ "Wacom Intuos Pro L", 65024, 40640, 2047, 63,
3882 	  INTUOSPL, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16,
3883 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
3884 static const struct wacom_features wacom_features_0xF4 =
3885 	{ "Wacom Cintiq 24HD", 104480, 65600, 2047, 63,
3886 	  WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 16,
3887 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
3888 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
3889 static const struct wacom_features wacom_features_0xF8 =
3890 	{ "Wacom Cintiq 24HD touch", 104480, 65600, 2047, 63, /* Pen */
3891 	  WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 16,
3892 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
3893 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
3894 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf6 };
3895 static const struct wacom_features wacom_features_0xF6 =
3896 	{ "Wacom Cintiq 24HD touch", .type = WACOM_24HDT, /* Touch */
3897 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf8, .touch_max = 10,
3898 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
3899 static const struct wacom_features wacom_features_0x32A =
3900 	{ "Wacom Cintiq 27QHD", 120140, 67920, 2047, 63,
3901 	  WACOM_27QHD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 0,
3902 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
3903 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
3904 static const struct wacom_features wacom_features_0x32B =
3905 	{ "Wacom Cintiq 27QHD touch", 120140, 67920, 2047, 63,
3906 	  WACOM_27QHD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 0,
3907 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
3908 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
3909 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x32C };
3910 static const struct wacom_features wacom_features_0x32C =
3911 	{ "Wacom Cintiq 27QHD touch", .type = WACOM_27QHDT,
3912 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x32B, .touch_max = 10 };
3913 static const struct wacom_features wacom_features_0x3F =
3914 	{ "Wacom Cintiq 21UX", 87200, 65600, 1023, 63,
3915 	  CINTIQ, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
3916 static const struct wacom_features wacom_features_0xC5 =
3917 	{ "Wacom Cintiq 20WSX", 86680, 54180, 1023, 63,
3918 	  WACOM_BEE, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 10 };
3919 static const struct wacom_features wacom_features_0xC6 =
3920 	{ "Wacom Cintiq 12WX", 53020, 33440, 1023, 63,
3921 	  WACOM_BEE, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 10 };
3922 static const struct wacom_features wacom_features_0x304 =
3923 	{ "Wacom Cintiq 13HD", 59552, 33848, 1023, 63,
3924 	  WACOM_13HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
3925 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
3926 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
3927 static const struct wacom_features wacom_features_0x333 =
3928 	{ "Wacom Cintiq 13HD touch", 59552, 33848, 2047, 63,
3929 	  WACOM_13HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
3930 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
3931 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
3932 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x335 };
3933 static const struct wacom_features wacom_features_0x335 =
3934 	{ "Wacom Cintiq 13HD touch", .type = WACOM_24HDT, /* Touch */
3935 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x333, .touch_max = 10,
3936 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
3937 static const struct wacom_features wacom_features_0xC7 =
3938 	{ "Wacom DTU1931", 37832, 30305, 511, 0,
3939 	  PL, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
3940 static const struct wacom_features wacom_features_0xCE =
3941 	{ "Wacom DTU2231", 47864, 27011, 511, 0,
3942 	  DTU, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
3943 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBMOUSE };
3944 static const struct wacom_features wacom_features_0xF0 =
3945 	{ "Wacom DTU1631", 34623, 19553, 511, 0,
3946 	  DTU, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
3947 static const struct wacom_features wacom_features_0xFB =
3948 	{ "Wacom DTU1031", 22096, 13960, 511, 0,
3949 	  DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
3950 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
3951 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
3952 static const struct wacom_features wacom_features_0x32F =
3953 	{ "Wacom DTU1031X", 22672, 12928, 511, 0,
3954 	  DTUSX, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 0,
3955 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
3956 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
3957 static const struct wacom_features wacom_features_0x336 =
3958 	{ "Wacom DTU1141", 23672, 13403, 1023, 0,
3959 	  DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
3960 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
3961 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
3962 static const struct wacom_features wacom_features_0x57 =
3963 	{ "Wacom DTK2241", 95840, 54260, 2047, 63,
3964 	  DTK, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 6,
3965 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
3966 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
3967 static const struct wacom_features wacom_features_0x59 = /* Pen */
3968 	{ "Wacom DTH2242", 95840, 54260, 2047, 63,
3969 	  DTK, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 6,
3970 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
3971 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
3972 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5D };
3973 static const struct wacom_features wacom_features_0x5D = /* Touch */
3974 	{ "Wacom DTH2242",       .type = WACOM_24HDT,
3975 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x59, .touch_max = 10,
3976 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
3977 static const struct wacom_features wacom_features_0xCC =
3978 	{ "Wacom Cintiq 21UX2", 87200, 65600, 2047, 63,
3979 	  WACOM_21UX2, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
3980 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
3981 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
3982 static const struct wacom_features wacom_features_0xFA =
3983 	{ "Wacom Cintiq 22HD", 95840, 54260, 2047, 63,
3984 	  WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
3985 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
3986 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
3987 static const struct wacom_features wacom_features_0x5B =
3988 	{ "Wacom Cintiq 22HDT", 95840, 54260, 2047, 63,
3989 	  WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
3990 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
3991 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
3992 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5e };
3993 static const struct wacom_features wacom_features_0x5E =
3994 	{ "Wacom Cintiq 22HDT", .type = WACOM_24HDT,
3995 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5b, .touch_max = 10,
3996 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
3997 static const struct wacom_features wacom_features_0x90 =
3998 	{ "Wacom ISDv4 90", 26202, 16325, 255, 0,
3999 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4000 static const struct wacom_features wacom_features_0x93 =
4001 	{ "Wacom ISDv4 93", 26202, 16325, 255, 0,
4002 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4003 static const struct wacom_features wacom_features_0x97 =
4004 	{ "Wacom ISDv4 97", 26202, 16325, 511, 0,
4005 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4006 static const struct wacom_features wacom_features_0x9A =
4007 	{ "Wacom ISDv4 9A", 26202, 16325, 255, 0,
4008 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4009 static const struct wacom_features wacom_features_0x9F =
4010 	{ "Wacom ISDv4 9F", 26202, 16325, 255, 0,
4011 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4012 static const struct wacom_features wacom_features_0xE2 =
4013 	{ "Wacom ISDv4 E2", 26202, 16325, 255, 0,
4014 	  TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4015 static const struct wacom_features wacom_features_0xE3 =
4016 	{ "Wacom ISDv4 E3", 26202, 16325, 255, 0,
4017 	  TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4018 static const struct wacom_features wacom_features_0xE5 =
4019 	{ "Wacom ISDv4 E5", 26202, 16325, 255, 0,
4020 	  MTSCREEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4021 static const struct wacom_features wacom_features_0xE6 =
4022 	{ "Wacom ISDv4 E6", 27760, 15694, 255, 0,
4023 	  TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4024 static const struct wacom_features wacom_features_0xEC =
4025 	{ "Wacom ISDv4 EC", 25710, 14500, 255, 0,
4026 	  TABLETPC,    WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4027 static const struct wacom_features wacom_features_0xED =
4028 	{ "Wacom ISDv4 ED", 26202, 16325, 255, 0,
4029 	  TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4030 static const struct wacom_features wacom_features_0xEF =
4031 	{ "Wacom ISDv4 EF", 26202, 16325, 255, 0,
4032 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4033 static const struct wacom_features wacom_features_0x100 =
4034 	{ "Wacom ISDv4 100", 26202, 16325, 255, 0,
4035 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4036 static const struct wacom_features wacom_features_0x101 =
4037 	{ "Wacom ISDv4 101", 26202, 16325, 255, 0,
4038 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4039 static const struct wacom_features wacom_features_0x10D =
4040 	{ "Wacom ISDv4 10D", 26202, 16325, 255, 0,
4041 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4042 static const struct wacom_features wacom_features_0x10E =
4043 	{ "Wacom ISDv4 10E", 27760, 15694, 255, 0,
4044 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4045 static const struct wacom_features wacom_features_0x10F =
4046 	{ "Wacom ISDv4 10F", 27760, 15694, 255, 0,
4047 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4048 static const struct wacom_features wacom_features_0x116 =
4049 	{ "Wacom ISDv4 116", 26202, 16325, 255, 0,
4050 	  TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4051 static const struct wacom_features wacom_features_0x12C =
4052 	{ "Wacom ISDv4 12C", 27848, 15752, 2047, 0,
4053 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4054 static const struct wacom_features wacom_features_0x4001 =
4055 	{ "Wacom ISDv4 4001", 26202, 16325, 255, 0,
4056 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4057 static const struct wacom_features wacom_features_0x4004 =
4058 	{ "Wacom ISDv4 4004", 11060, 6220, 255, 0,
4059 	  MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4060 static const struct wacom_features wacom_features_0x5000 =
4061 	{ "Wacom ISDv4 5000", 27848, 15752, 1023, 0,
4062 	  MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4063 static const struct wacom_features wacom_features_0x5002 =
4064 	{ "Wacom ISDv4 5002", 29576, 16724, 1023, 0,
4065 	  MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4066 static const struct wacom_features wacom_features_0x47 =
4067 	{ "Wacom Intuos2 6x8", 20320, 16240, 1023, 31,
4068 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4069 static const struct wacom_features wacom_features_0x84 =
4070 	{ "Wacom Wireless Receiver", .type = WIRELESS, .touch_max = 16 };
4071 static const struct wacom_features wacom_features_0xD0 =
4072 	{ "Wacom Bamboo 2FG", 14720, 9200, 1023, 31,
4073 	  BAMBOO_TOUCH, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4074 static const struct wacom_features wacom_features_0xD1 =
4075 	{ "Wacom Bamboo 2FG 4x5", 14720, 9200, 1023, 31,
4076 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4077 static const struct wacom_features wacom_features_0xD2 =
4078 	{ "Wacom Bamboo Craft", 14720, 9200, 1023, 31,
4079 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4080 static const struct wacom_features wacom_features_0xD3 =
4081 	{ "Wacom Bamboo 2FG 6x8", 21648, 13700, 1023, 31,
4082 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4083 static const struct wacom_features wacom_features_0xD4 =
4084 	{ "Wacom Bamboo Pen", 14720, 9200, 1023, 31,
4085 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4086 static const struct wacom_features wacom_features_0xD5 =
4087 	{ "Wacom Bamboo Pen 6x8", 21648, 13700, 1023, 31,
4088 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4089 static const struct wacom_features wacom_features_0xD6 =
4090 	{ "Wacom BambooPT 2FG 4x5", 14720, 9200, 1023, 31,
4091 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4092 static const struct wacom_features wacom_features_0xD7 =
4093 	{ "Wacom BambooPT 2FG Small", 14720, 9200, 1023, 31,
4094 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4095 static const struct wacom_features wacom_features_0xD8 =
4096 	{ "Wacom Bamboo Comic 2FG", 21648, 13700, 1023, 31,
4097 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4098 static const struct wacom_features wacom_features_0xDA =
4099 	{ "Wacom Bamboo 2FG 4x5 SE", 14720, 9200, 1023, 31,
4100 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4101 static const struct wacom_features wacom_features_0xDB =
4102 	{ "Wacom Bamboo 2FG 6x8 SE", 21648, 13700, 1023, 31,
4103 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4104 static const struct wacom_features wacom_features_0xDD =
4105         { "Wacom Bamboo Connect", 14720, 9200, 1023, 31,
4106           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4107 static const struct wacom_features wacom_features_0xDE =
4108         { "Wacom Bamboo 16FG 4x5", 14720, 9200, 1023, 31,
4109 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16 };
4110 static const struct wacom_features wacom_features_0xDF =
4111         { "Wacom Bamboo 16FG 6x8", 21648, 13700, 1023, 31,
4112 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16 };
4113 static const struct wacom_features wacom_features_0x300 =
4114 	{ "Wacom Bamboo One S", 14720, 9225, 1023, 31,
4115 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4116 static const struct wacom_features wacom_features_0x301 =
4117 	{ "Wacom Bamboo One M", 21648, 13530, 1023, 31,
4118 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4119 static const struct wacom_features wacom_features_0x302 =
4120 	{ "Wacom Intuos PT S", 15200, 9500, 1023, 31,
4121 	  INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4122 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4123 static const struct wacom_features wacom_features_0x303 =
4124 	{ "Wacom Intuos PT M", 21600, 13500, 1023, 31,
4125 	  INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4126 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4127 static const struct wacom_features wacom_features_0x30E =
4128 	{ "Wacom Intuos S", 15200, 9500, 1023, 31,
4129 	  INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4130 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4131 static const struct wacom_features wacom_features_0x6004 =
4132 	{ "ISD-V4", 12800, 8000, 255, 0,
4133 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4134 static const struct wacom_features wacom_features_0x307 =
4135 	{ "Wacom ISDv5 307", 59552, 33848, 2047, 63,
4136 	  CINTIQ_HYBRID, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4137 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4138 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4139 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x309 };
4140 static const struct wacom_features wacom_features_0x309 =
4141 	{ "Wacom ISDv5 309", .type = WACOM_24HDT, /* Touch */
4142 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x0307, .touch_max = 10,
4143 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4144 static const struct wacom_features wacom_features_0x30A =
4145 	{ "Wacom ISDv5 30A", 59552, 33848, 2047, 63,
4146 	  CINTIQ_HYBRID, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4147 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4148 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4149 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x30C };
4150 static const struct wacom_features wacom_features_0x30C =
4151 	{ "Wacom ISDv5 30C", .type = WACOM_24HDT, /* Touch */
4152 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x30A, .touch_max = 10,
4153 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4154 static const struct wacom_features wacom_features_0x318 =
4155 	{ "Wacom USB Bamboo PAD", 4095, 4095, /* Touch */
4156 	  .type = BAMBOO_PAD, 35, 48, .touch_max = 4 };
4157 static const struct wacom_features wacom_features_0x319 =
4158 	{ "Wacom Wireless Bamboo PAD", 4095, 4095, /* Touch */
4159 	  .type = BAMBOO_PAD, 35, 48, .touch_max = 4 };
4160 static const struct wacom_features wacom_features_0x325 =
4161 	{ "Wacom ISDv5 325", 59552, 33848, 2047, 63,
4162 	  CINTIQ_COMPANION_2, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 11,
4163 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4164 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4165 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x326 };
4166 static const struct wacom_features wacom_features_0x326 = /* Touch */
4167 	{ "Wacom ISDv5 326", .type = HID_GENERIC, .oVid = USB_VENDOR_ID_WACOM,
4168 	  .oPid = 0x325 };
4169 static const struct wacom_features wacom_features_0x323 =
4170 	{ "Wacom Intuos P M", 21600, 13500, 1023, 31,
4171 	  INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4172 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4173 static const struct wacom_features wacom_features_0x331 =
4174 	{ "Wacom Express Key Remote", .type = REMOTE,
4175 	  .numbered_buttons = 18, .check_for_hid_type = true,
4176 	  .hid_type = HID_TYPE_USBNONE };
4177 static const struct wacom_features wacom_features_0x33B =
4178 	{ "Wacom Intuos S 2", 15200, 9500, 2047, 63,
4179 	  INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4180 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4181 static const struct wacom_features wacom_features_0x33C =
4182 	{ "Wacom Intuos PT S 2", 15200, 9500, 2047, 63,
4183 	  INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4184 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4185 static const struct wacom_features wacom_features_0x33D =
4186 	{ "Wacom Intuos P M 2", 21600, 13500, 2047, 63,
4187 	  INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4188 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4189 static const struct wacom_features wacom_features_0x33E =
4190 	{ "Wacom Intuos PT M 2", 21600, 13500, 2047, 63,
4191 	  INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4192 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4193 static const struct wacom_features wacom_features_0x343 =
4194 	{ "Wacom DTK1651", 34816, 19759, 1023, 0,
4195 	  DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
4196 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4197 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4198 static const struct wacom_features wacom_features_0x360 =
4199 	{ "Wacom Intuos Pro M", 44800, 29600, 8191, 63,
4200 	  INTUOSP2_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 9, .touch_max = 10 };
4201 static const struct wacom_features wacom_features_0x361 =
4202 	{ "Wacom Intuos Pro L", 62200, 43200, 8191, 63,
4203 	  INTUOSP2_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 9, .touch_max = 10 };
4204 
4205 static const struct wacom_features wacom_features_HID_ANY_ID =
4206 	{ "Wacom HID", .type = HID_GENERIC, .oVid = HID_ANY_ID, .oPid = HID_ANY_ID };
4207 
4208 #define USB_DEVICE_WACOM(prod)						\
4209 	HID_DEVICE(BUS_USB, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4210 	.driver_data = (kernel_ulong_t)&wacom_features_##prod
4211 
4212 #define BT_DEVICE_WACOM(prod)						\
4213 	HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4214 	.driver_data = (kernel_ulong_t)&wacom_features_##prod
4215 
4216 #define I2C_DEVICE_WACOM(prod)						\
4217 	HID_DEVICE(BUS_I2C, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4218 	.driver_data = (kernel_ulong_t)&wacom_features_##prod
4219 
4220 #define USB_DEVICE_LENOVO(prod)					\
4221 	HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, prod),			\
4222 	.driver_data = (kernel_ulong_t)&wacom_features_##prod
4223 
4224 const struct hid_device_id wacom_ids[] = {
4225 	{ USB_DEVICE_WACOM(0x00) },
4226 	{ USB_DEVICE_WACOM(0x03) },
4227 	{ USB_DEVICE_WACOM(0x10) },
4228 	{ USB_DEVICE_WACOM(0x11) },
4229 	{ USB_DEVICE_WACOM(0x12) },
4230 	{ USB_DEVICE_WACOM(0x13) },
4231 	{ USB_DEVICE_WACOM(0x14) },
4232 	{ USB_DEVICE_WACOM(0x15) },
4233 	{ USB_DEVICE_WACOM(0x16) },
4234 	{ USB_DEVICE_WACOM(0x17) },
4235 	{ USB_DEVICE_WACOM(0x18) },
4236 	{ USB_DEVICE_WACOM(0x19) },
4237 	{ USB_DEVICE_WACOM(0x20) },
4238 	{ USB_DEVICE_WACOM(0x21) },
4239 	{ USB_DEVICE_WACOM(0x22) },
4240 	{ USB_DEVICE_WACOM(0x23) },
4241 	{ USB_DEVICE_WACOM(0x24) },
4242 	{ USB_DEVICE_WACOM(0x26) },
4243 	{ USB_DEVICE_WACOM(0x27) },
4244 	{ USB_DEVICE_WACOM(0x28) },
4245 	{ USB_DEVICE_WACOM(0x29) },
4246 	{ USB_DEVICE_WACOM(0x2A) },
4247 	{ USB_DEVICE_WACOM(0x30) },
4248 	{ USB_DEVICE_WACOM(0x31) },
4249 	{ USB_DEVICE_WACOM(0x32) },
4250 	{ USB_DEVICE_WACOM(0x33) },
4251 	{ USB_DEVICE_WACOM(0x34) },
4252 	{ USB_DEVICE_WACOM(0x35) },
4253 	{ USB_DEVICE_WACOM(0x37) },
4254 	{ USB_DEVICE_WACOM(0x38) },
4255 	{ USB_DEVICE_WACOM(0x39) },
4256 	{ USB_DEVICE_WACOM(0x3F) },
4257 	{ USB_DEVICE_WACOM(0x41) },
4258 	{ USB_DEVICE_WACOM(0x42) },
4259 	{ USB_DEVICE_WACOM(0x43) },
4260 	{ USB_DEVICE_WACOM(0x44) },
4261 	{ USB_DEVICE_WACOM(0x45) },
4262 	{ USB_DEVICE_WACOM(0x47) },
4263 	{ USB_DEVICE_WACOM(0x57) },
4264 	{ USB_DEVICE_WACOM(0x59) },
4265 	{ USB_DEVICE_WACOM(0x5B) },
4266 	{ USB_DEVICE_WACOM(0x5D) },
4267 	{ USB_DEVICE_WACOM(0x5E) },
4268 	{ USB_DEVICE_WACOM(0x60) },
4269 	{ USB_DEVICE_WACOM(0x61) },
4270 	{ USB_DEVICE_WACOM(0x62) },
4271 	{ USB_DEVICE_WACOM(0x63) },
4272 	{ USB_DEVICE_WACOM(0x64) },
4273 	{ USB_DEVICE_WACOM(0x65) },
4274 	{ USB_DEVICE_WACOM(0x69) },
4275 	{ USB_DEVICE_WACOM(0x6A) },
4276 	{ USB_DEVICE_WACOM(0x6B) },
4277 	{ BT_DEVICE_WACOM(0x81) },
4278 	{ USB_DEVICE_WACOM(0x84) },
4279 	{ USB_DEVICE_WACOM(0x90) },
4280 	{ USB_DEVICE_WACOM(0x93) },
4281 	{ USB_DEVICE_WACOM(0x97) },
4282 	{ USB_DEVICE_WACOM(0x9A) },
4283 	{ USB_DEVICE_WACOM(0x9F) },
4284 	{ USB_DEVICE_WACOM(0xB0) },
4285 	{ USB_DEVICE_WACOM(0xB1) },
4286 	{ USB_DEVICE_WACOM(0xB2) },
4287 	{ USB_DEVICE_WACOM(0xB3) },
4288 	{ USB_DEVICE_WACOM(0xB4) },
4289 	{ USB_DEVICE_WACOM(0xB5) },
4290 	{ USB_DEVICE_WACOM(0xB7) },
4291 	{ USB_DEVICE_WACOM(0xB8) },
4292 	{ USB_DEVICE_WACOM(0xB9) },
4293 	{ USB_DEVICE_WACOM(0xBA) },
4294 	{ USB_DEVICE_WACOM(0xBB) },
4295 	{ USB_DEVICE_WACOM(0xBC) },
4296 	{ BT_DEVICE_WACOM(0xBD) },
4297 	{ USB_DEVICE_WACOM(0xC0) },
4298 	{ USB_DEVICE_WACOM(0xC2) },
4299 	{ USB_DEVICE_WACOM(0xC4) },
4300 	{ USB_DEVICE_WACOM(0xC5) },
4301 	{ USB_DEVICE_WACOM(0xC6) },
4302 	{ USB_DEVICE_WACOM(0xC7) },
4303 	{ USB_DEVICE_WACOM(0xCC) },
4304 	{ USB_DEVICE_WACOM(0xCE) },
4305 	{ USB_DEVICE_WACOM(0xD0) },
4306 	{ USB_DEVICE_WACOM(0xD1) },
4307 	{ USB_DEVICE_WACOM(0xD2) },
4308 	{ USB_DEVICE_WACOM(0xD3) },
4309 	{ USB_DEVICE_WACOM(0xD4) },
4310 	{ USB_DEVICE_WACOM(0xD5) },
4311 	{ USB_DEVICE_WACOM(0xD6) },
4312 	{ USB_DEVICE_WACOM(0xD7) },
4313 	{ USB_DEVICE_WACOM(0xD8) },
4314 	{ USB_DEVICE_WACOM(0xDA) },
4315 	{ USB_DEVICE_WACOM(0xDB) },
4316 	{ USB_DEVICE_WACOM(0xDD) },
4317 	{ USB_DEVICE_WACOM(0xDE) },
4318 	{ USB_DEVICE_WACOM(0xDF) },
4319 	{ USB_DEVICE_WACOM(0xE2) },
4320 	{ USB_DEVICE_WACOM(0xE3) },
4321 	{ USB_DEVICE_WACOM(0xE5) },
4322 	{ USB_DEVICE_WACOM(0xE6) },
4323 	{ USB_DEVICE_WACOM(0xEC) },
4324 	{ USB_DEVICE_WACOM(0xED) },
4325 	{ USB_DEVICE_WACOM(0xEF) },
4326 	{ USB_DEVICE_WACOM(0xF0) },
4327 	{ USB_DEVICE_WACOM(0xF4) },
4328 	{ USB_DEVICE_WACOM(0xF6) },
4329 	{ USB_DEVICE_WACOM(0xF8) },
4330 	{ USB_DEVICE_WACOM(0xFA) },
4331 	{ USB_DEVICE_WACOM(0xFB) },
4332 	{ USB_DEVICE_WACOM(0x100) },
4333 	{ USB_DEVICE_WACOM(0x101) },
4334 	{ USB_DEVICE_WACOM(0x10D) },
4335 	{ USB_DEVICE_WACOM(0x10E) },
4336 	{ USB_DEVICE_WACOM(0x10F) },
4337 	{ USB_DEVICE_WACOM(0x116) },
4338 	{ USB_DEVICE_WACOM(0x12C) },
4339 	{ USB_DEVICE_WACOM(0x300) },
4340 	{ USB_DEVICE_WACOM(0x301) },
4341 	{ USB_DEVICE_WACOM(0x302) },
4342 	{ USB_DEVICE_WACOM(0x303) },
4343 	{ USB_DEVICE_WACOM(0x304) },
4344 	{ USB_DEVICE_WACOM(0x307) },
4345 	{ USB_DEVICE_WACOM(0x309) },
4346 	{ USB_DEVICE_WACOM(0x30A) },
4347 	{ USB_DEVICE_WACOM(0x30C) },
4348 	{ USB_DEVICE_WACOM(0x30E) },
4349 	{ USB_DEVICE_WACOM(0x314) },
4350 	{ USB_DEVICE_WACOM(0x315) },
4351 	{ USB_DEVICE_WACOM(0x317) },
4352 	{ USB_DEVICE_WACOM(0x318) },
4353 	{ USB_DEVICE_WACOM(0x319) },
4354 	{ USB_DEVICE_WACOM(0x323) },
4355 	{ USB_DEVICE_WACOM(0x325) },
4356 	{ USB_DEVICE_WACOM(0x326) },
4357 	{ USB_DEVICE_WACOM(0x32A) },
4358 	{ USB_DEVICE_WACOM(0x32B) },
4359 	{ USB_DEVICE_WACOM(0x32C) },
4360 	{ USB_DEVICE_WACOM(0x32F) },
4361 	{ USB_DEVICE_WACOM(0x331) },
4362 	{ USB_DEVICE_WACOM(0x333) },
4363 	{ USB_DEVICE_WACOM(0x335) },
4364 	{ USB_DEVICE_WACOM(0x336) },
4365 	{ USB_DEVICE_WACOM(0x33B) },
4366 	{ USB_DEVICE_WACOM(0x33C) },
4367 	{ USB_DEVICE_WACOM(0x33D) },
4368 	{ USB_DEVICE_WACOM(0x33E) },
4369 	{ USB_DEVICE_WACOM(0x343) },
4370 	{ BT_DEVICE_WACOM(0x360) },
4371 	{ BT_DEVICE_WACOM(0x361) },
4372 	{ USB_DEVICE_WACOM(0x4001) },
4373 	{ USB_DEVICE_WACOM(0x4004) },
4374 	{ USB_DEVICE_WACOM(0x5000) },
4375 	{ USB_DEVICE_WACOM(0x5002) },
4376 	{ USB_DEVICE_LENOVO(0x6004) },
4377 
4378 	{ USB_DEVICE_WACOM(HID_ANY_ID) },
4379 	{ I2C_DEVICE_WACOM(HID_ANY_ID) },
4380 	{ BT_DEVICE_WACOM(HID_ANY_ID) },
4381 	{ }
4382 };
4383 MODULE_DEVICE_TABLE(hid, wacom_ids);
4384