xref: /openbmc/linux/drivers/hid/wacom_wac.c (revision 2127c01b)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * drivers/input/tablet/wacom_wac.c
4  *
5  *  USB Wacom tablet support - Wacom specific code
6  */
7 
8 /*
9  */
10 
11 #include "wacom_wac.h"
12 #include "wacom.h"
13 #include <linux/input/mt.h>
14 
15 /* resolution for penabled devices */
16 #define WACOM_PL_RES		20
17 #define WACOM_PENPRTN_RES	40
18 #define WACOM_VOLITO_RES	50
19 #define WACOM_GRAPHIRE_RES	80
20 #define WACOM_INTUOS_RES	100
21 #define WACOM_INTUOS3_RES	200
22 
23 /* Newer Cintiq and DTU have an offset between tablet and screen areas */
24 #define WACOM_DTU_OFFSET	200
25 #define WACOM_CINTIQ_OFFSET	400
26 
27 /*
28  * Scale factor relating reported contact size to logical contact area.
29  * 2^14/pi is a good approximation on Intuos5 and 3rd-gen Bamboo
30  */
31 #define WACOM_CONTACT_AREA_SCALE 2607
32 
33 static bool touch_arbitration = 1;
34 module_param(touch_arbitration, bool, 0644);
35 MODULE_PARM_DESC(touch_arbitration, " on (Y) off (N)");
36 
37 static void wacom_report_numbered_buttons(struct input_dev *input_dev,
38 				int button_count, int mask);
39 
40 static int wacom_numbered_button_to_key(int n);
41 
42 static void wacom_update_led(struct wacom *wacom, int button_count, int mask,
43 			     int group);
44 /*
45  * Percent of battery capacity for Graphire.
46  * 8th value means AC online and show 100% capacity.
47  */
48 static unsigned short batcap_gr[8] = { 1, 15, 25, 35, 50, 70, 100, 100 };
49 
50 /*
51  * Percent of battery capacity for Intuos4 WL, AC has a separate bit.
52  */
53 static unsigned short batcap_i4[8] = { 1, 15, 30, 45, 60, 70, 85, 100 };
54 
55 static void __wacom_notify_battery(struct wacom_battery *battery,
56 				   int bat_status, int bat_capacity,
57 				   bool bat_charging, bool bat_connected,
58 				   bool ps_connected)
59 {
60 	bool changed = battery->bat_status       != bat_status    ||
61 		       battery->battery_capacity != bat_capacity  ||
62 		       battery->bat_charging     != bat_charging  ||
63 		       battery->bat_connected    != bat_connected ||
64 		       battery->ps_connected     != ps_connected;
65 
66 	if (changed) {
67 		battery->bat_status = bat_status;
68 		battery->battery_capacity = bat_capacity;
69 		battery->bat_charging = bat_charging;
70 		battery->bat_connected = bat_connected;
71 		battery->ps_connected = ps_connected;
72 
73 		if (battery->battery)
74 			power_supply_changed(battery->battery);
75 	}
76 }
77 
78 static void wacom_notify_battery(struct wacom_wac *wacom_wac,
79 	int bat_status, int bat_capacity, bool bat_charging,
80 	bool bat_connected, bool ps_connected)
81 {
82 	struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
83 
84 	__wacom_notify_battery(&wacom->battery, bat_status, bat_capacity,
85 			       bat_charging, bat_connected, ps_connected);
86 }
87 
88 static int wacom_penpartner_irq(struct wacom_wac *wacom)
89 {
90 	unsigned char *data = wacom->data;
91 	struct input_dev *input = wacom->pen_input;
92 
93 	switch (data[0]) {
94 	case 1:
95 		if (data[5] & 0x80) {
96 			wacom->tool[0] = (data[5] & 0x20) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
97 			wacom->id[0] = (data[5] & 0x20) ? ERASER_DEVICE_ID : STYLUS_DEVICE_ID;
98 			input_report_key(input, wacom->tool[0], 1);
99 			input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
100 			input_report_abs(input, ABS_X, get_unaligned_le16(&data[1]));
101 			input_report_abs(input, ABS_Y, get_unaligned_le16(&data[3]));
102 			input_report_abs(input, ABS_PRESSURE, (signed char)data[6] + 127);
103 			input_report_key(input, BTN_TOUCH, ((signed char)data[6] > -127));
104 			input_report_key(input, BTN_STYLUS, (data[5] & 0x40));
105 		} else {
106 			input_report_key(input, wacom->tool[0], 0);
107 			input_report_abs(input, ABS_MISC, 0); /* report tool id */
108 			input_report_abs(input, ABS_PRESSURE, -1);
109 			input_report_key(input, BTN_TOUCH, 0);
110 		}
111 		break;
112 
113 	case 2:
114 		input_report_key(input, BTN_TOOL_PEN, 1);
115 		input_report_abs(input, ABS_MISC, STYLUS_DEVICE_ID); /* report tool id */
116 		input_report_abs(input, ABS_X, get_unaligned_le16(&data[1]));
117 		input_report_abs(input, ABS_Y, get_unaligned_le16(&data[3]));
118 		input_report_abs(input, ABS_PRESSURE, (signed char)data[6] + 127);
119 		input_report_key(input, BTN_TOUCH, ((signed char)data[6] > -80) && !(data[5] & 0x20));
120 		input_report_key(input, BTN_STYLUS, (data[5] & 0x40));
121 		break;
122 
123 	default:
124 		dev_dbg(input->dev.parent,
125 			"%s: received unknown report #%d\n", __func__, data[0]);
126 		return 0;
127         }
128 
129 	return 1;
130 }
131 
132 static int wacom_pl_irq(struct wacom_wac *wacom)
133 {
134 	struct wacom_features *features = &wacom->features;
135 	unsigned char *data = wacom->data;
136 	struct input_dev *input = wacom->pen_input;
137 	int prox, pressure;
138 
139 	if (data[0] != WACOM_REPORT_PENABLED) {
140 		dev_dbg(input->dev.parent,
141 			"%s: received unknown report #%d\n", __func__, data[0]);
142 		return 0;
143 	}
144 
145 	prox = data[1] & 0x40;
146 
147 	if (!wacom->id[0]) {
148 		if ((data[0] & 0x10) || (data[4] & 0x20)) {
149 			wacom->tool[0] = BTN_TOOL_RUBBER;
150 			wacom->id[0] = ERASER_DEVICE_ID;
151 		}
152 		else {
153 			wacom->tool[0] = BTN_TOOL_PEN;
154 			wacom->id[0] = STYLUS_DEVICE_ID;
155 		}
156 	}
157 
158 	/* If the eraser is in prox, STYLUS2 is always set. If we
159 	 * mis-detected the type and notice that STYLUS2 isn't set
160 	 * then force the eraser out of prox and let the pen in.
161 	 */
162 	if (wacom->tool[0] == BTN_TOOL_RUBBER && !(data[4] & 0x20)) {
163 		input_report_key(input, BTN_TOOL_RUBBER, 0);
164 		input_report_abs(input, ABS_MISC, 0);
165 		input_sync(input);
166 		wacom->tool[0] = BTN_TOOL_PEN;
167 		wacom->id[0] = STYLUS_DEVICE_ID;
168 	}
169 
170 	if (prox) {
171 		pressure = (signed char)((data[7] << 1) | ((data[4] >> 2) & 1));
172 		if (features->pressure_max > 255)
173 			pressure = (pressure << 1) | ((data[4] >> 6) & 1);
174 		pressure += (features->pressure_max + 1) / 2;
175 
176 		input_report_abs(input, ABS_X, data[3] | (data[2] << 7) | ((data[1] & 0x03) << 14));
177 		input_report_abs(input, ABS_Y, data[6] | (data[5] << 7) | ((data[4] & 0x03) << 14));
178 		input_report_abs(input, ABS_PRESSURE, pressure);
179 
180 		input_report_key(input, BTN_TOUCH, data[4] & 0x08);
181 		input_report_key(input, BTN_STYLUS, data[4] & 0x10);
182 		/* Only allow the stylus2 button to be reported for the pen tool. */
183 		input_report_key(input, BTN_STYLUS2, (wacom->tool[0] == BTN_TOOL_PEN) && (data[4] & 0x20));
184 	}
185 
186 	if (!prox)
187 		wacom->id[0] = 0;
188 	input_report_key(input, wacom->tool[0], prox);
189 	input_report_abs(input, ABS_MISC, wacom->id[0]);
190 	return 1;
191 }
192 
193 static int wacom_ptu_irq(struct wacom_wac *wacom)
194 {
195 	unsigned char *data = wacom->data;
196 	struct input_dev *input = wacom->pen_input;
197 
198 	if (data[0] != WACOM_REPORT_PENABLED) {
199 		dev_dbg(input->dev.parent,
200 			"%s: received unknown report #%d\n", __func__, data[0]);
201 		return 0;
202 	}
203 
204 	if (data[1] & 0x04) {
205 		input_report_key(input, BTN_TOOL_RUBBER, data[1] & 0x20);
206 		input_report_key(input, BTN_TOUCH, data[1] & 0x08);
207 		wacom->id[0] = ERASER_DEVICE_ID;
208 	} else {
209 		input_report_key(input, BTN_TOOL_PEN, data[1] & 0x20);
210 		input_report_key(input, BTN_TOUCH, data[1] & 0x01);
211 		wacom->id[0] = STYLUS_DEVICE_ID;
212 	}
213 	input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
214 	input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
215 	input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
216 	input_report_abs(input, ABS_PRESSURE, le16_to_cpup((__le16 *)&data[6]));
217 	input_report_key(input, BTN_STYLUS, data[1] & 0x02);
218 	input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
219 	return 1;
220 }
221 
222 static int wacom_dtu_irq(struct wacom_wac *wacom)
223 {
224 	unsigned char *data = wacom->data;
225 	struct input_dev *input = wacom->pen_input;
226 	int prox = data[1] & 0x20;
227 
228 	dev_dbg(input->dev.parent,
229 		"%s: received report #%d", __func__, data[0]);
230 
231 	if (prox) {
232 		/* Going into proximity select tool */
233 		wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
234 		if (wacom->tool[0] == BTN_TOOL_PEN)
235 			wacom->id[0] = STYLUS_DEVICE_ID;
236 		else
237 			wacom->id[0] = ERASER_DEVICE_ID;
238 	}
239 	input_report_key(input, BTN_STYLUS, data[1] & 0x02);
240 	input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
241 	input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
242 	input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
243 	input_report_abs(input, ABS_PRESSURE, ((data[7] & 0x01) << 8) | data[6]);
244 	input_report_key(input, BTN_TOUCH, data[1] & 0x05);
245 	if (!prox) /* out-prox */
246 		wacom->id[0] = 0;
247 	input_report_key(input, wacom->tool[0], prox);
248 	input_report_abs(input, ABS_MISC, wacom->id[0]);
249 	return 1;
250 }
251 
252 static int wacom_dtus_irq(struct wacom_wac *wacom)
253 {
254 	char *data = wacom->data;
255 	struct input_dev *input = wacom->pen_input;
256 	unsigned short prox, pressure = 0;
257 
258 	if (data[0] != WACOM_REPORT_DTUS && data[0] != WACOM_REPORT_DTUSPAD) {
259 		dev_dbg(input->dev.parent,
260 			"%s: received unknown report #%d", __func__, data[0]);
261 		return 0;
262 	} else if (data[0] == WACOM_REPORT_DTUSPAD) {
263 		input = wacom->pad_input;
264 		input_report_key(input, BTN_0, (data[1] & 0x01));
265 		input_report_key(input, BTN_1, (data[1] & 0x02));
266 		input_report_key(input, BTN_2, (data[1] & 0x04));
267 		input_report_key(input, BTN_3, (data[1] & 0x08));
268 		input_report_abs(input, ABS_MISC,
269 				 data[1] & 0x0f ? PAD_DEVICE_ID : 0);
270 		return 1;
271 	} else {
272 		prox = data[1] & 0x80;
273 		if (prox) {
274 			switch ((data[1] >> 3) & 3) {
275 			case 1: /* Rubber */
276 				wacom->tool[0] = BTN_TOOL_RUBBER;
277 				wacom->id[0] = ERASER_DEVICE_ID;
278 				break;
279 
280 			case 2: /* Pen */
281 				wacom->tool[0] = BTN_TOOL_PEN;
282 				wacom->id[0] = STYLUS_DEVICE_ID;
283 				break;
284 			}
285 		}
286 
287 		input_report_key(input, BTN_STYLUS, data[1] & 0x20);
288 		input_report_key(input, BTN_STYLUS2, data[1] & 0x40);
289 		input_report_abs(input, ABS_X, get_unaligned_be16(&data[3]));
290 		input_report_abs(input, ABS_Y, get_unaligned_be16(&data[5]));
291 		pressure = ((data[1] & 0x03) << 8) | (data[2] & 0xff);
292 		input_report_abs(input, ABS_PRESSURE, pressure);
293 		input_report_key(input, BTN_TOUCH, pressure > 10);
294 
295 		if (!prox) /* out-prox */
296 			wacom->id[0] = 0;
297 		input_report_key(input, wacom->tool[0], prox);
298 		input_report_abs(input, ABS_MISC, wacom->id[0]);
299 		return 1;
300 	}
301 }
302 
303 static int wacom_graphire_irq(struct wacom_wac *wacom)
304 {
305 	struct wacom_features *features = &wacom->features;
306 	unsigned char *data = wacom->data;
307 	struct input_dev *input = wacom->pen_input;
308 	struct input_dev *pad_input = wacom->pad_input;
309 	int battery_capacity, ps_connected;
310 	int prox;
311 	int rw = 0;
312 	int retval = 0;
313 
314 	if (features->type == GRAPHIRE_BT) {
315 		if (data[0] != WACOM_REPORT_PENABLED_BT) {
316 			dev_dbg(input->dev.parent,
317 				"%s: received unknown report #%d\n", __func__,
318 				data[0]);
319 			goto exit;
320 		}
321 	} else if (data[0] != WACOM_REPORT_PENABLED) {
322 		dev_dbg(input->dev.parent,
323 			"%s: received unknown report #%d\n", __func__, data[0]);
324 		goto exit;
325 	}
326 
327 	prox = data[1] & 0x80;
328 	if (prox || wacom->id[0]) {
329 		if (prox) {
330 			switch ((data[1] >> 5) & 3) {
331 
332 			case 0:	/* Pen */
333 				wacom->tool[0] = BTN_TOOL_PEN;
334 				wacom->id[0] = STYLUS_DEVICE_ID;
335 				break;
336 
337 			case 1: /* Rubber */
338 				wacom->tool[0] = BTN_TOOL_RUBBER;
339 				wacom->id[0] = ERASER_DEVICE_ID;
340 				break;
341 
342 			case 2: /* Mouse with wheel */
343 				input_report_key(input, BTN_MIDDLE, data[1] & 0x04);
344 				/* fall through */
345 
346 			case 3: /* Mouse without wheel */
347 				wacom->tool[0] = BTN_TOOL_MOUSE;
348 				wacom->id[0] = CURSOR_DEVICE_ID;
349 				break;
350 			}
351 		}
352 		input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
353 		input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
354 		if (wacom->tool[0] != BTN_TOOL_MOUSE) {
355 			if (features->type == GRAPHIRE_BT)
356 				input_report_abs(input, ABS_PRESSURE, data[6] |
357 					(((__u16) (data[1] & 0x08)) << 5));
358 			else
359 				input_report_abs(input, ABS_PRESSURE, data[6] |
360 					((data[7] & 0x03) << 8));
361 			input_report_key(input, BTN_TOUCH, data[1] & 0x01);
362 			input_report_key(input, BTN_STYLUS, data[1] & 0x02);
363 			input_report_key(input, BTN_STYLUS2, data[1] & 0x04);
364 		} else {
365 			input_report_key(input, BTN_LEFT, data[1] & 0x01);
366 			input_report_key(input, BTN_RIGHT, data[1] & 0x02);
367 			if (features->type == WACOM_G4 ||
368 					features->type == WACOM_MO) {
369 				input_report_abs(input, ABS_DISTANCE, data[6] & 0x3f);
370 				rw = (data[7] & 0x04) - (data[7] & 0x03);
371 			} else if (features->type == GRAPHIRE_BT) {
372 				/* Compute distance between mouse and tablet */
373 				rw = 44 - (data[6] >> 2);
374 				rw = clamp_val(rw, 0, 31);
375 				input_report_abs(input, ABS_DISTANCE, rw);
376 				if (((data[1] >> 5) & 3) == 2) {
377 					/* Mouse with wheel */
378 					input_report_key(input, BTN_MIDDLE,
379 							data[1] & 0x04);
380 					rw = (data[6] & 0x01) ? -1 :
381 						(data[6] & 0x02) ? 1 : 0;
382 				} else {
383 					rw = 0;
384 				}
385 			} else {
386 				input_report_abs(input, ABS_DISTANCE, data[7] & 0x3f);
387 				rw = -(signed char)data[6];
388 			}
389 			input_report_rel(input, REL_WHEEL, rw);
390 		}
391 
392 		if (!prox)
393 			wacom->id[0] = 0;
394 		input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
395 		input_report_key(input, wacom->tool[0], prox);
396 		input_sync(input); /* sync last event */
397 	}
398 
399 	/* send pad data */
400 	switch (features->type) {
401 	case WACOM_G4:
402 		prox = data[7] & 0xf8;
403 		if (prox || wacom->id[1]) {
404 			wacom->id[1] = PAD_DEVICE_ID;
405 			input_report_key(pad_input, BTN_BACK, (data[7] & 0x40));
406 			input_report_key(pad_input, BTN_FORWARD, (data[7] & 0x80));
407 			rw = ((data[7] & 0x18) >> 3) - ((data[7] & 0x20) >> 3);
408 			input_report_rel(pad_input, REL_WHEEL, rw);
409 			if (!prox)
410 				wacom->id[1] = 0;
411 			input_report_abs(pad_input, ABS_MISC, wacom->id[1]);
412 			retval = 1;
413 		}
414 		break;
415 
416 	case WACOM_MO:
417 		prox = (data[7] & 0xf8) || data[8];
418 		if (prox || wacom->id[1]) {
419 			wacom->id[1] = PAD_DEVICE_ID;
420 			input_report_key(pad_input, BTN_BACK, (data[7] & 0x08));
421 			input_report_key(pad_input, BTN_LEFT, (data[7] & 0x20));
422 			input_report_key(pad_input, BTN_FORWARD, (data[7] & 0x10));
423 			input_report_key(pad_input, BTN_RIGHT, (data[7] & 0x40));
424 			input_report_abs(pad_input, ABS_WHEEL, (data[8] & 0x7f));
425 			if (!prox)
426 				wacom->id[1] = 0;
427 			input_report_abs(pad_input, ABS_MISC, wacom->id[1]);
428 			retval = 1;
429 		}
430 		break;
431 	case GRAPHIRE_BT:
432 		prox = data[7] & 0x03;
433 		if (prox || wacom->id[1]) {
434 			wacom->id[1] = PAD_DEVICE_ID;
435 			input_report_key(pad_input, BTN_0, (data[7] & 0x02));
436 			input_report_key(pad_input, BTN_1, (data[7] & 0x01));
437 			if (!prox)
438 				wacom->id[1] = 0;
439 			input_report_abs(pad_input, ABS_MISC, wacom->id[1]);
440 			retval = 1;
441 		}
442 		break;
443 	}
444 
445 	/* Store current battery capacity and power supply state */
446 	if (features->type == GRAPHIRE_BT) {
447 		rw = (data[7] >> 2 & 0x07);
448 		battery_capacity = batcap_gr[rw];
449 		ps_connected = rw == 7;
450 		wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
451 				     battery_capacity, ps_connected, 1,
452 				     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) << 5)  |
567 			          ((data[5] & 0x10) << 4)  |
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 0x10842: /* MobileStudio Pro Pro Pen slim */
626 	case 0x14802: /* Intuos4/5 13HD/24HD Classic Pen */
627 	case 0x16802: /* Cintiq 13HD Pro Pen */
628 	case 0x18802: /* DTH2242 Pen */
629 	case 0x10802: /* Intuos4/5 13HD/24HD General Pen */
630 		tool_type = BTN_TOOL_PEN;
631 		break;
632 
633 	case 0x832: /* Stroke pen */
634 	case 0x032:
635 		tool_type = BTN_TOOL_BRUSH;
636 		break;
637 
638 	case 0x007: /* Mouse 4D and 2D */
639 	case 0x09c:
640 	case 0x094:
641 	case 0x017: /* Intuos3 2D Mouse */
642 	case 0x806: /* Intuos4 Mouse */
643 		tool_type = BTN_TOOL_MOUSE;
644 		break;
645 
646 	case 0x096: /* Lens cursor */
647 	case 0x097: /* Intuos3 Lens cursor */
648 	case 0x006: /* Intuos4 Lens cursor */
649 		tool_type = BTN_TOOL_LENS;
650 		break;
651 
652 	case 0x82a: /* Eraser */
653 	case 0x84a:
654 	case 0x85a:
655 	case 0x91a:
656 	case 0xd1a:
657 	case 0x0fa:
658 	case 0x82b: /* Intuos3 Grip Pen Eraser */
659 	case 0x81b: /* Intuos3 Classic Pen Eraser */
660 	case 0x91b: /* Intuos3 Airbrush Eraser */
661 	case 0x80c: /* Intuos4/5 13HD/24HD Marker Pen Eraser */
662 	case 0x80a: /* Intuos4/5 13HD/24HD General Pen Eraser */
663 	case 0x90a: /* Intuos4/5 13HD/24HD Airbrush Eraser */
664 	case 0x1480a: /* Intuos4/5 13HD/24HD Classic Pen Eraser */
665 	case 0x1090a: /* Intuos4/5 13HD/24HD Airbrush Eraser */
666 	case 0x1080c: /* Intuos4/5 13HD/24HD Art Pen Eraser */
667 	case 0x1084a: /* MobileStudio Pro Pro Pen slim Eraser */
668 	case 0x1680a: /* Cintiq 13HD Pro Pen Eraser */
669 	case 0x1880a: /* DTH2242 Eraser */
670 	case 0x1080a: /* Intuos4/5 13HD/24HD General Pen Eraser */
671 		tool_type = BTN_TOOL_RUBBER;
672 		break;
673 
674 	case 0xd12:
675 	case 0x912:
676 	case 0x112:
677 	case 0x913: /* Intuos3 Airbrush */
678 	case 0x902: /* Intuos4/5 13HD/24HD Airbrush */
679 	case 0x10902: /* Intuos4/5 13HD/24HD Airbrush */
680 		tool_type = BTN_TOOL_AIRBRUSH;
681 		break;
682 
683 	default: /* Unknown tool */
684 		tool_type = BTN_TOOL_PEN;
685 		break;
686 	}
687 	return tool_type;
688 }
689 
690 static void wacom_exit_report(struct wacom_wac *wacom)
691 {
692 	struct input_dev *input = wacom->pen_input;
693 	struct wacom_features *features = &wacom->features;
694 	unsigned char *data = wacom->data;
695 	int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
696 
697 	/*
698 	 * Reset all states otherwise we lose the initial states
699 	 * when in-prox next time
700 	 */
701 	input_report_abs(input, ABS_X, 0);
702 	input_report_abs(input, ABS_Y, 0);
703 	input_report_abs(input, ABS_DISTANCE, 0);
704 	input_report_abs(input, ABS_TILT_X, 0);
705 	input_report_abs(input, ABS_TILT_Y, 0);
706 	if (wacom->tool[idx] >= BTN_TOOL_MOUSE) {
707 		input_report_key(input, BTN_LEFT, 0);
708 		input_report_key(input, BTN_MIDDLE, 0);
709 		input_report_key(input, BTN_RIGHT, 0);
710 		input_report_key(input, BTN_SIDE, 0);
711 		input_report_key(input, BTN_EXTRA, 0);
712 		input_report_abs(input, ABS_THROTTLE, 0);
713 		input_report_abs(input, ABS_RZ, 0);
714 	} else {
715 		input_report_abs(input, ABS_PRESSURE, 0);
716 		input_report_key(input, BTN_STYLUS, 0);
717 		input_report_key(input, BTN_STYLUS2, 0);
718 		input_report_key(input, BTN_TOUCH, 0);
719 		input_report_abs(input, ABS_WHEEL, 0);
720 		if (features->type >= INTUOS3S)
721 			input_report_abs(input, ABS_Z, 0);
722 	}
723 	input_report_key(input, wacom->tool[idx], 0);
724 	input_report_abs(input, ABS_MISC, 0); /* reset tool id */
725 	input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
726 	wacom->id[idx] = 0;
727 }
728 
729 static int wacom_intuos_inout(struct wacom_wac *wacom)
730 {
731 	struct wacom_features *features = &wacom->features;
732 	unsigned char *data = wacom->data;
733 	struct input_dev *input = wacom->pen_input;
734 	int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
735 
736 	if (!(((data[1] & 0xfc) == 0xc0) ||  /* in prox */
737 	    ((data[1] & 0xfe) == 0x20) ||    /* in range */
738 	    ((data[1] & 0xfe) == 0x80)))     /* out prox */
739 		return 0;
740 
741 	/* Enter report */
742 	if ((data[1] & 0xfc) == 0xc0) {
743 		/* serial number of the tool */
744 		wacom->serial[idx] = ((data[3] & 0x0f) << 28) +
745 			(data[4] << 20) + (data[5] << 12) +
746 			(data[6] << 4) + (data[7] >> 4);
747 
748 		wacom->id[idx] = (data[2] << 4) | (data[3] >> 4) |
749 		     ((data[7] & 0x0f) << 16) | ((data[8] & 0xf0) << 8);
750 
751 		wacom->tool[idx] = wacom_intuos_get_tool_type(wacom->id[idx]);
752 
753 		wacom->shared->stylus_in_proximity = true;
754 		return 1;
755 	}
756 
757 	/* in Range */
758 	if ((data[1] & 0xfe) == 0x20) {
759 		if (features->type != INTUOSHT2)
760 			wacom->shared->stylus_in_proximity = true;
761 
762 		/* in Range while exiting */
763 		if (wacom->reporting_data) {
764 			input_report_key(input, BTN_TOUCH, 0);
765 			input_report_abs(input, ABS_PRESSURE, 0);
766 			input_report_abs(input, ABS_DISTANCE, wacom->features.distance_max);
767 			return 2;
768 		}
769 		return 1;
770 	}
771 
772 	/* Exit report */
773 	if ((data[1] & 0xfe) == 0x80) {
774 		wacom->shared->stylus_in_proximity = false;
775 		wacom->reporting_data = false;
776 
777 		/* don't report exit if we don't know the ID */
778 		if (!wacom->id[idx])
779 			return 1;
780 
781 		wacom_exit_report(wacom);
782 		return 2;
783 	}
784 
785 	return 0;
786 }
787 
788 static inline bool report_touch_events(struct wacom_wac *wacom)
789 {
790 	return (touch_arbitration ? !wacom->shared->stylus_in_proximity : 1);
791 }
792 
793 static inline bool delay_pen_events(struct wacom_wac *wacom)
794 {
795 	return (wacom->shared->touch_down && touch_arbitration);
796 }
797 
798 static int wacom_intuos_general(struct wacom_wac *wacom)
799 {
800 	struct wacom_features *features = &wacom->features;
801 	unsigned char *data = wacom->data;
802 	struct input_dev *input = wacom->pen_input;
803 	int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
804 	unsigned char type = (data[1] >> 1) & 0x0F;
805 	unsigned int x, y, distance, t;
806 
807 	if (data[0] != WACOM_REPORT_PENABLED && data[0] != WACOM_REPORT_CINTIQ &&
808 		data[0] != WACOM_REPORT_INTUOS_PEN)
809 		return 0;
810 
811 	if (delay_pen_events(wacom))
812 		return 1;
813 
814 	/* don't report events if we don't know the tool ID */
815 	if (!wacom->id[idx]) {
816 		/* but reschedule a read of the current tool */
817 		wacom_intuos_schedule_prox_event(wacom);
818 		return 1;
819 	}
820 
821 	/*
822 	 * don't report events for invalid data
823 	 */
824 	/* older I4 styli don't work with new Cintiqs */
825 	if ((!((wacom->id[idx] >> 16) & 0x01) &&
826 			(features->type == WACOM_21UX2)) ||
827 	    /* Only large Intuos support Lense Cursor */
828 	    (wacom->tool[idx] == BTN_TOOL_LENS &&
829 		(features->type == INTUOS3 ||
830 		 features->type == INTUOS3S ||
831 		 features->type == INTUOS4 ||
832 		 features->type == INTUOS4S ||
833 		 features->type == INTUOS5 ||
834 		 features->type == INTUOS5S ||
835 		 features->type == INTUOSPM ||
836 		 features->type == INTUOSPS)) ||
837 	   /* Cintiq doesn't send data when RDY bit isn't set */
838 	   (features->type == CINTIQ && !(data[1] & 0x40)))
839 		return 1;
840 
841 	x = (be16_to_cpup((__be16 *)&data[2]) << 1) | ((data[9] >> 1) & 1);
842 	y = (be16_to_cpup((__be16 *)&data[4]) << 1) | (data[9] & 1);
843 	distance = data[9] >> 2;
844 	if (features->type < INTUOS3S) {
845 		x >>= 1;
846 		y >>= 1;
847 		distance >>= 1;
848 	}
849 	input_report_abs(input, ABS_X, x);
850 	input_report_abs(input, ABS_Y, y);
851 	input_report_abs(input, ABS_DISTANCE, distance);
852 
853 	switch (type) {
854 	case 0x00:
855 	case 0x01:
856 	case 0x02:
857 	case 0x03:
858 		/* general pen packet */
859 		t = (data[6] << 3) | ((data[7] & 0xC0) >> 5) | (data[1] & 1);
860 		if (features->pressure_max < 2047)
861 			t >>= 1;
862 		input_report_abs(input, ABS_PRESSURE, t);
863 		if (features->type != INTUOSHT2) {
864 		    input_report_abs(input, ABS_TILT_X,
865 				 (((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
866 		    input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
867 		}
868 		input_report_key(input, BTN_STYLUS, data[1] & 2);
869 		input_report_key(input, BTN_STYLUS2, data[1] & 4);
870 		input_report_key(input, BTN_TOUCH, t > 10);
871 		break;
872 
873 	case 0x0a:
874 		/* airbrush second packet */
875 		input_report_abs(input, ABS_WHEEL,
876 				(data[6] << 2) | ((data[7] >> 6) & 3));
877 		input_report_abs(input, ABS_TILT_X,
878 				 (((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
879 		input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
880 		break;
881 
882 	case 0x05:
883 		/* Rotation packet */
884 		if (features->type >= INTUOS3S) {
885 			/* I3 marker pen rotation */
886 			t = (data[6] << 3) | ((data[7] >> 5) & 7);
887 			t = (data[7] & 0x20) ? ((t > 900) ? ((t-1) / 2 - 1350) :
888 				((t-1) / 2 + 450)) : (450 - t / 2) ;
889 			input_report_abs(input, ABS_Z, t);
890 		} else {
891 			/* 4D mouse 2nd packet */
892 			t = (data[6] << 3) | ((data[7] >> 5) & 7);
893 			input_report_abs(input, ABS_RZ, (data[7] & 0x20) ?
894 				((t - 1) / 2) : -t / 2);
895 		}
896 		break;
897 
898 	case 0x04:
899 		/* 4D mouse 1st packet */
900 		input_report_key(input, BTN_LEFT,   data[8] & 0x01);
901 		input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
902 		input_report_key(input, BTN_RIGHT,  data[8] & 0x04);
903 
904 		input_report_key(input, BTN_SIDE,   data[8] & 0x20);
905 		input_report_key(input, BTN_EXTRA,  data[8] & 0x10);
906 		t = (data[6] << 2) | ((data[7] >> 6) & 3);
907 		input_report_abs(input, ABS_THROTTLE, (data[8] & 0x08) ? -t : t);
908 		break;
909 
910 	case 0x06:
911 		/* I4 mouse */
912 		input_report_key(input, BTN_LEFT,   data[6] & 0x01);
913 		input_report_key(input, BTN_MIDDLE, data[6] & 0x02);
914 		input_report_key(input, BTN_RIGHT,  data[6] & 0x04);
915 		input_report_rel(input, REL_WHEEL, ((data[7] & 0x80) >> 7)
916 				 - ((data[7] & 0x40) >> 6));
917 		input_report_key(input, BTN_SIDE,   data[6] & 0x08);
918 		input_report_key(input, BTN_EXTRA,  data[6] & 0x10);
919 
920 		input_report_abs(input, ABS_TILT_X,
921 			(((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
922 		input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
923 		break;
924 
925 	case 0x08:
926 		if (wacom->tool[idx] == BTN_TOOL_MOUSE) {
927 			/* 2D mouse packet */
928 			input_report_key(input, BTN_LEFT,   data[8] & 0x04);
929 			input_report_key(input, BTN_MIDDLE, data[8] & 0x08);
930 			input_report_key(input, BTN_RIGHT,  data[8] & 0x10);
931 			input_report_rel(input, REL_WHEEL, (data[8] & 0x01)
932 					 - ((data[8] & 0x02) >> 1));
933 
934 			/* I3 2D mouse side buttons */
935 			if (features->type >= INTUOS3S && features->type <= INTUOS3L) {
936 				input_report_key(input, BTN_SIDE,   data[8] & 0x40);
937 				input_report_key(input, BTN_EXTRA,  data[8] & 0x20);
938 			}
939 		}
940 		else if (wacom->tool[idx] == BTN_TOOL_LENS) {
941 			/* Lens cursor packets */
942 			input_report_key(input, BTN_LEFT,   data[8] & 0x01);
943 			input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
944 			input_report_key(input, BTN_RIGHT,  data[8] & 0x04);
945 			input_report_key(input, BTN_SIDE,   data[8] & 0x10);
946 			input_report_key(input, BTN_EXTRA,  data[8] & 0x08);
947 		}
948 		break;
949 
950 	case 0x07:
951 	case 0x09:
952 	case 0x0b:
953 	case 0x0c:
954 	case 0x0d:
955 	case 0x0e:
956 	case 0x0f:
957 		/* unhandled */
958 		break;
959 	}
960 
961 	input_report_abs(input, ABS_MISC,
962 			 wacom_intuos_id_mangle(wacom->id[idx])); /* report tool id */
963 	input_report_key(input, wacom->tool[idx], 1);
964 	input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
965 	wacom->reporting_data = true;
966 	return 2;
967 }
968 
969 static int wacom_intuos_irq(struct wacom_wac *wacom)
970 {
971 	unsigned char *data = wacom->data;
972 	struct input_dev *input = wacom->pen_input;
973 	int result;
974 
975 	if (data[0] != WACOM_REPORT_PENABLED &&
976 	    data[0] != WACOM_REPORT_INTUOS_ID1 &&
977 	    data[0] != WACOM_REPORT_INTUOS_ID2 &&
978 	    data[0] != WACOM_REPORT_INTUOSPAD &&
979 	    data[0] != WACOM_REPORT_INTUOS_PEN &&
980 	    data[0] != WACOM_REPORT_CINTIQ &&
981 	    data[0] != WACOM_REPORT_CINTIQPAD &&
982 	    data[0] != WACOM_REPORT_INTUOS5PAD) {
983 		dev_dbg(input->dev.parent,
984 			"%s: received unknown report #%d\n", __func__, data[0]);
985                 return 0;
986 	}
987 
988 	/* process pad events */
989 	result = wacom_intuos_pad(wacom);
990 	if (result)
991 		return result;
992 
993 	/* process in/out prox events */
994 	result = wacom_intuos_inout(wacom);
995 	if (result)
996 		return result - 1;
997 
998 	/* process general packets */
999 	result = wacom_intuos_general(wacom);
1000 	if (result)
1001 		return result - 1;
1002 
1003 	return 0;
1004 }
1005 
1006 static int wacom_remote_irq(struct wacom_wac *wacom_wac, size_t len)
1007 {
1008 	unsigned char *data = wacom_wac->data;
1009 	struct input_dev *input;
1010 	struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
1011 	struct wacom_remote *remote = wacom->remote;
1012 	int bat_charging, bat_percent, touch_ring_mode;
1013 	__u32 serial;
1014 	int i, index = -1;
1015 	unsigned long flags;
1016 
1017 	if (data[0] != WACOM_REPORT_REMOTE) {
1018 		hid_dbg(wacom->hdev, "%s: received unknown report #%d",
1019 			__func__, data[0]);
1020 		return 0;
1021 	}
1022 
1023 	serial = data[3] + (data[4] << 8) + (data[5] << 16);
1024 	wacom_wac->id[0] = PAD_DEVICE_ID;
1025 
1026 	spin_lock_irqsave(&remote->remote_lock, flags);
1027 
1028 	for (i = 0; i < WACOM_MAX_REMOTES; i++) {
1029 		if (remote->remotes[i].serial == serial) {
1030 			index = i;
1031 			break;
1032 		}
1033 	}
1034 
1035 	if (index < 0 || !remote->remotes[index].registered)
1036 		goto out;
1037 
1038 	input = remote->remotes[index].input;
1039 
1040 	input_report_key(input, BTN_0, (data[9] & 0x01));
1041 	input_report_key(input, BTN_1, (data[9] & 0x02));
1042 	input_report_key(input, BTN_2, (data[9] & 0x04));
1043 	input_report_key(input, BTN_3, (data[9] & 0x08));
1044 	input_report_key(input, BTN_4, (data[9] & 0x10));
1045 	input_report_key(input, BTN_5, (data[9] & 0x20));
1046 	input_report_key(input, BTN_6, (data[9] & 0x40));
1047 	input_report_key(input, BTN_7, (data[9] & 0x80));
1048 
1049 	input_report_key(input, BTN_8, (data[10] & 0x01));
1050 	input_report_key(input, BTN_9, (data[10] & 0x02));
1051 	input_report_key(input, BTN_A, (data[10] & 0x04));
1052 	input_report_key(input, BTN_B, (data[10] & 0x08));
1053 	input_report_key(input, BTN_C, (data[10] & 0x10));
1054 	input_report_key(input, BTN_X, (data[10] & 0x20));
1055 	input_report_key(input, BTN_Y, (data[10] & 0x40));
1056 	input_report_key(input, BTN_Z, (data[10] & 0x80));
1057 
1058 	input_report_key(input, BTN_BASE, (data[11] & 0x01));
1059 	input_report_key(input, BTN_BASE2, (data[11] & 0x02));
1060 
1061 	if (data[12] & 0x80)
1062 		input_report_abs(input, ABS_WHEEL, (data[12] & 0x7f));
1063 	else
1064 		input_report_abs(input, ABS_WHEEL, 0);
1065 
1066 	bat_percent = data[7] & 0x7f;
1067 	bat_charging = !!(data[7] & 0x80);
1068 
1069 	if (data[9] | data[10] | (data[11] & 0x03) | data[12])
1070 		input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
1071 	else
1072 		input_report_abs(input, ABS_MISC, 0);
1073 
1074 	input_event(input, EV_MSC, MSC_SERIAL, serial);
1075 
1076 	input_sync(input);
1077 
1078 	/*Which mode select (LED light) is currently on?*/
1079 	touch_ring_mode = (data[11] & 0xC0) >> 6;
1080 
1081 	for (i = 0; i < WACOM_MAX_REMOTES; i++) {
1082 		if (remote->remotes[i].serial == serial)
1083 			wacom->led.groups[i].select = touch_ring_mode;
1084 	}
1085 
1086 	__wacom_notify_battery(&remote->remotes[index].battery,
1087 				WACOM_POWER_SUPPLY_STATUS_AUTO, bat_percent,
1088 				bat_charging, 1, bat_charging);
1089 
1090 out:
1091 	spin_unlock_irqrestore(&remote->remote_lock, flags);
1092 	return 0;
1093 }
1094 
1095 static void wacom_remote_status_irq(struct wacom_wac *wacom_wac, size_t len)
1096 {
1097 	struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
1098 	unsigned char *data = wacom_wac->data;
1099 	struct wacom_remote *remote = wacom->remote;
1100 	struct wacom_remote_data remote_data;
1101 	unsigned long flags;
1102 	int i, ret;
1103 
1104 	if (data[0] != WACOM_REPORT_DEVICE_LIST)
1105 		return;
1106 
1107 	memset(&remote_data, 0, sizeof(struct wacom_remote_data));
1108 
1109 	for (i = 0; i < WACOM_MAX_REMOTES; i++) {
1110 		int j = i * 6;
1111 		int serial = (data[j+6] << 16) + (data[j+5] << 8) + data[j+4];
1112 		bool connected = data[j+2];
1113 
1114 		remote_data.remote[i].serial = serial;
1115 		remote_data.remote[i].connected = connected;
1116 	}
1117 
1118 	spin_lock_irqsave(&remote->remote_lock, flags);
1119 
1120 	ret = kfifo_in(&remote->remote_fifo, &remote_data, sizeof(remote_data));
1121 	if (ret != sizeof(remote_data)) {
1122 		spin_unlock_irqrestore(&remote->remote_lock, flags);
1123 		hid_err(wacom->hdev, "Can't queue Remote status event.\n");
1124 		return;
1125 	}
1126 
1127 	spin_unlock_irqrestore(&remote->remote_lock, flags);
1128 
1129 	wacom_schedule_work(wacom_wac, WACOM_WORKER_REMOTE);
1130 }
1131 
1132 static int int_dist(int x1, int y1, int x2, int y2)
1133 {
1134 	int x = x2 - x1;
1135 	int y = y2 - y1;
1136 
1137 	return int_sqrt(x*x + y*y);
1138 }
1139 
1140 static void wacom_intuos_bt_process_data(struct wacom_wac *wacom,
1141 		unsigned char *data)
1142 {
1143 	memcpy(wacom->data, data, 10);
1144 	wacom_intuos_irq(wacom);
1145 
1146 	input_sync(wacom->pen_input);
1147 	if (wacom->pad_input)
1148 		input_sync(wacom->pad_input);
1149 }
1150 
1151 static int wacom_intuos_bt_irq(struct wacom_wac *wacom, size_t len)
1152 {
1153 	unsigned char data[WACOM_PKGLEN_MAX];
1154 	int i = 1;
1155 	unsigned power_raw, battery_capacity, bat_charging, ps_connected;
1156 
1157 	memcpy(data, wacom->data, len);
1158 
1159 	switch (data[0]) {
1160 	case 0x04:
1161 		wacom_intuos_bt_process_data(wacom, data + i);
1162 		i += 10;
1163 		/* fall through */
1164 	case 0x03:
1165 		wacom_intuos_bt_process_data(wacom, data + i);
1166 		i += 10;
1167 		wacom_intuos_bt_process_data(wacom, data + i);
1168 		i += 10;
1169 		power_raw = data[i];
1170 		bat_charging = (power_raw & 0x08) ? 1 : 0;
1171 		ps_connected = (power_raw & 0x10) ? 1 : 0;
1172 		battery_capacity = batcap_i4[power_raw & 0x07];
1173 		wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
1174 				     battery_capacity, bat_charging,
1175 				     battery_capacity || bat_charging,
1176 				     ps_connected);
1177 		break;
1178 	default:
1179 		dev_dbg(wacom->pen_input->dev.parent,
1180 				"Unknown report: %d,%d size:%zu\n",
1181 				data[0], data[1], len);
1182 		return 0;
1183 	}
1184 	return 0;
1185 }
1186 
1187 static int wacom_wac_finger_count_touches(struct wacom_wac *wacom)
1188 {
1189 	struct input_dev *input = wacom->touch_input;
1190 	unsigned touch_max = wacom->features.touch_max;
1191 	int count = 0;
1192 	int i;
1193 
1194 	if (!touch_max)
1195 		return 0;
1196 
1197 	if (touch_max == 1)
1198 		return test_bit(BTN_TOUCH, input->key) &&
1199 			report_touch_events(wacom);
1200 
1201 	for (i = 0; i < input->mt->num_slots; i++) {
1202 		struct input_mt_slot *ps = &input->mt->slots[i];
1203 		int id = input_mt_get_value(ps, ABS_MT_TRACKING_ID);
1204 		if (id >= 0)
1205 			count++;
1206 	}
1207 
1208 	return count;
1209 }
1210 
1211 static void wacom_intuos_pro2_bt_pen(struct wacom_wac *wacom)
1212 {
1213 	int pen_frame_len, pen_frames;
1214 
1215 	struct input_dev *pen_input = wacom->pen_input;
1216 	unsigned char *data = wacom->data;
1217 	int i;
1218 
1219 	if (wacom->features.type == INTUOSP2_BT ||
1220 	    wacom->features.type == INTUOSP2S_BT) {
1221 		wacom->serial[0] = get_unaligned_le64(&data[99]);
1222 		wacom->id[0]     = get_unaligned_le16(&data[107]);
1223 		pen_frame_len = 14;
1224 		pen_frames = 7;
1225 	} else {
1226 		wacom->serial[0] = get_unaligned_le64(&data[33]);
1227 		wacom->id[0]     = get_unaligned_le16(&data[41]);
1228 		pen_frame_len = 8;
1229 		pen_frames = 4;
1230 	}
1231 
1232 	if (wacom->serial[0] >> 52 == 1) {
1233 		/* Add back in missing bits of ID for non-USI pens */
1234 		wacom->id[0] |= (wacom->serial[0] >> 32) & 0xFFFFF;
1235 	}
1236 
1237 	for (i = 0; i < pen_frames; i++) {
1238 		unsigned char *frame = &data[i*pen_frame_len + 1];
1239 		bool valid = frame[0] & 0x80;
1240 		bool prox = frame[0] & 0x40;
1241 		bool range = frame[0] & 0x20;
1242 		bool invert = frame[0] & 0x10;
1243 
1244 		if (!valid)
1245 			continue;
1246 
1247 		if (!prox) {
1248 			wacom->shared->stylus_in_proximity = false;
1249 			wacom_exit_report(wacom);
1250 			input_sync(pen_input);
1251 
1252 			wacom->tool[0] = 0;
1253 			wacom->id[0] = 0;
1254 			wacom->serial[0] = 0;
1255 			return;
1256 		}
1257 
1258 		if (range) {
1259 			if (!wacom->tool[0]) { /* first in range */
1260 				/* Going into range select tool */
1261 				if (invert)
1262 					wacom->tool[0] = BTN_TOOL_RUBBER;
1263 				else if (wacom->id[0])
1264 					wacom->tool[0] = wacom_intuos_get_tool_type(wacom->id[0]);
1265 				else
1266 					wacom->tool[0] = BTN_TOOL_PEN;
1267 			}
1268 
1269 			input_report_abs(pen_input, ABS_X, get_unaligned_le16(&frame[1]));
1270 			input_report_abs(pen_input, ABS_Y, get_unaligned_le16(&frame[3]));
1271 
1272 			if (wacom->features.type == INTUOSP2_BT ||
1273 			    wacom->features.type == INTUOSP2S_BT) {
1274 				/* Fix rotation alignment: userspace expects zero at left */
1275 				int16_t rotation =
1276 					(int16_t)get_unaligned_le16(&frame[9]);
1277 				rotation += 1800/4;
1278 
1279 				if (rotation > 899)
1280 					rotation -= 1800;
1281 
1282 				input_report_abs(pen_input, ABS_TILT_X,
1283 						 (char)frame[7]);
1284 				input_report_abs(pen_input, ABS_TILT_Y,
1285 						 (char)frame[8]);
1286 				input_report_abs(pen_input, ABS_Z, rotation);
1287 				input_report_abs(pen_input, ABS_WHEEL,
1288 						 get_unaligned_le16(&frame[11]));
1289 			}
1290 		}
1291 		if (wacom->tool[0]) {
1292 			input_report_abs(pen_input, ABS_PRESSURE, get_unaligned_le16(&frame[5]));
1293 			if (wacom->features.type == INTUOSP2_BT) {
1294 				input_report_abs(pen_input, ABS_DISTANCE,
1295 						 range ? frame[13] : wacom->features.distance_max);
1296 			} else {
1297 				input_report_abs(pen_input, ABS_DISTANCE,
1298 						 range ? frame[7] : wacom->features.distance_max);
1299 			}
1300 
1301 			input_report_key(pen_input, BTN_TOUCH, frame[0] & 0x09);
1302 			input_report_key(pen_input, BTN_STYLUS, frame[0] & 0x02);
1303 			input_report_key(pen_input, BTN_STYLUS2, frame[0] & 0x04);
1304 
1305 			input_report_key(pen_input, wacom->tool[0], prox);
1306 			input_event(pen_input, EV_MSC, MSC_SERIAL, wacom->serial[0]);
1307 			input_report_abs(pen_input, ABS_MISC,
1308 					 wacom_intuos_id_mangle(wacom->id[0])); /* report tool id */
1309 		}
1310 
1311 		wacom->shared->stylus_in_proximity = prox;
1312 
1313 		input_sync(pen_input);
1314 	}
1315 }
1316 
1317 static void wacom_intuos_pro2_bt_touch(struct wacom_wac *wacom)
1318 {
1319 	const int finger_touch_len = 8;
1320 	const int finger_frames = 4;
1321 	const int finger_frame_len = 43;
1322 
1323 	struct input_dev *touch_input = wacom->touch_input;
1324 	unsigned char *data = wacom->data;
1325 	int num_contacts_left = 5;
1326 	int i, j;
1327 
1328 	for (i = 0; i < finger_frames; i++) {
1329 		unsigned char *frame = &data[i*finger_frame_len + 109];
1330 		int current_num_contacts = frame[0] & 0x7F;
1331 		int contacts_to_send;
1332 
1333 		if (!(frame[0] & 0x80))
1334 			continue;
1335 
1336 		/*
1337 		 * First packet resets the counter since only the first
1338 		 * packet in series will have non-zero current_num_contacts.
1339 		 */
1340 		if (current_num_contacts)
1341 			wacom->num_contacts_left = current_num_contacts;
1342 
1343 		contacts_to_send = min(num_contacts_left, wacom->num_contacts_left);
1344 
1345 		for (j = 0; j < contacts_to_send; j++) {
1346 			unsigned char *touch = &frame[j*finger_touch_len + 1];
1347 			int slot = input_mt_get_slot_by_key(touch_input, touch[0]);
1348 			int x = get_unaligned_le16(&touch[2]);
1349 			int y = get_unaligned_le16(&touch[4]);
1350 			int w = touch[6] * input_abs_get_res(touch_input, ABS_MT_POSITION_X);
1351 			int h = touch[7] * input_abs_get_res(touch_input, ABS_MT_POSITION_Y);
1352 
1353 			if (slot < 0)
1354 				continue;
1355 
1356 			input_mt_slot(touch_input, slot);
1357 			input_mt_report_slot_state(touch_input, MT_TOOL_FINGER, touch[1] & 0x01);
1358 			input_report_abs(touch_input, ABS_MT_POSITION_X, x);
1359 			input_report_abs(touch_input, ABS_MT_POSITION_Y, y);
1360 			input_report_abs(touch_input, ABS_MT_TOUCH_MAJOR, max(w, h));
1361 			input_report_abs(touch_input, ABS_MT_TOUCH_MINOR, min(w, h));
1362 			input_report_abs(touch_input, ABS_MT_ORIENTATION, w > h);
1363 		}
1364 
1365 		input_mt_sync_frame(touch_input);
1366 
1367 		wacom->num_contacts_left -= contacts_to_send;
1368 		if (wacom->num_contacts_left <= 0) {
1369 			wacom->num_contacts_left = 0;
1370 			wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1371 			input_sync(touch_input);
1372 		}
1373 	}
1374 
1375 	if (wacom->num_contacts_left == 0) {
1376 		// Be careful that we don't accidentally call input_sync with
1377 		// only a partial set of fingers of processed
1378 		input_report_switch(touch_input, SW_MUTE_DEVICE, !(data[281] >> 7));
1379 		input_sync(touch_input);
1380 	}
1381 
1382 }
1383 
1384 static void wacom_intuos_pro2_bt_pad(struct wacom_wac *wacom)
1385 {
1386 	struct input_dev *pad_input = wacom->pad_input;
1387 	unsigned char *data = wacom->data;
1388 
1389 	int buttons = data[282] | ((data[281] & 0x40) << 2);
1390 	int ring = data[285] & 0x7F;
1391 	bool ringstatus = data[285] & 0x80;
1392 	bool prox = buttons || ringstatus;
1393 
1394 	/* Fix touchring data: userspace expects 0 at left and increasing clockwise */
1395 	ring = 71 - ring;
1396 	ring += 3*72/16;
1397 	if (ring > 71)
1398 		ring -= 72;
1399 
1400 	wacom_report_numbered_buttons(pad_input, 9, buttons);
1401 
1402 	input_report_abs(pad_input, ABS_WHEEL, ringstatus ? ring : 0);
1403 
1404 	input_report_key(pad_input, wacom->tool[1], prox ? 1 : 0);
1405 	input_report_abs(pad_input, ABS_MISC, prox ? PAD_DEVICE_ID : 0);
1406 	input_event(pad_input, EV_MSC, MSC_SERIAL, 0xffffffff);
1407 
1408 	input_sync(pad_input);
1409 }
1410 
1411 static void wacom_intuos_pro2_bt_battery(struct wacom_wac *wacom)
1412 {
1413 	unsigned char *data = wacom->data;
1414 
1415 	bool chg = data[284] & 0x80;
1416 	int battery_status = data[284] & 0x7F;
1417 
1418 	wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
1419 			     battery_status, chg, 1, chg);
1420 }
1421 
1422 static void wacom_intuos_gen3_bt_pad(struct wacom_wac *wacom)
1423 {
1424 	struct input_dev *pad_input = wacom->pad_input;
1425 	unsigned char *data = wacom->data;
1426 
1427 	int buttons = data[44];
1428 
1429 	wacom_report_numbered_buttons(pad_input, 4, buttons);
1430 
1431 	input_report_key(pad_input, wacom->tool[1], buttons ? 1 : 0);
1432 	input_report_abs(pad_input, ABS_MISC, buttons ? PAD_DEVICE_ID : 0);
1433 	input_event(pad_input, EV_MSC, MSC_SERIAL, 0xffffffff);
1434 
1435 	input_sync(pad_input);
1436 }
1437 
1438 static void wacom_intuos_gen3_bt_battery(struct wacom_wac *wacom)
1439 {
1440 	unsigned char *data = wacom->data;
1441 
1442 	bool chg = data[45] & 0x80;
1443 	int battery_status = data[45] & 0x7F;
1444 
1445 	wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
1446 			     battery_status, chg, 1, chg);
1447 }
1448 
1449 static int wacom_intuos_pro2_bt_irq(struct wacom_wac *wacom, size_t len)
1450 {
1451 	unsigned char *data = wacom->data;
1452 
1453 	if (data[0] != 0x80 && data[0] != 0x81) {
1454 		dev_dbg(wacom->pen_input->dev.parent,
1455 			"%s: received unknown report #%d\n", __func__, data[0]);
1456 		return 0;
1457 	}
1458 
1459 	wacom_intuos_pro2_bt_pen(wacom);
1460 	if (wacom->features.type == INTUOSP2_BT ||
1461 	    wacom->features.type == INTUOSP2S_BT) {
1462 		wacom_intuos_pro2_bt_touch(wacom);
1463 		wacom_intuos_pro2_bt_pad(wacom);
1464 		wacom_intuos_pro2_bt_battery(wacom);
1465 	} else {
1466 		wacom_intuos_gen3_bt_pad(wacom);
1467 		wacom_intuos_gen3_bt_battery(wacom);
1468 	}
1469 	return 0;
1470 }
1471 
1472 static int wacom_24hdt_irq(struct wacom_wac *wacom)
1473 {
1474 	struct input_dev *input = wacom->touch_input;
1475 	unsigned char *data = wacom->data;
1476 	int i;
1477 	int current_num_contacts = data[61];
1478 	int contacts_to_send = 0;
1479 	int num_contacts_left = 4; /* maximum contacts per packet */
1480 	int byte_per_packet = WACOM_BYTES_PER_24HDT_PACKET;
1481 	int y_offset = 2;
1482 
1483 	if (wacom->features.type == WACOM_27QHDT) {
1484 		current_num_contacts = data[63];
1485 		num_contacts_left = 10;
1486 		byte_per_packet = WACOM_BYTES_PER_QHDTHID_PACKET;
1487 		y_offset = 0;
1488 	}
1489 
1490 	/*
1491 	 * First packet resets the counter since only the first
1492 	 * packet in series will have non-zero current_num_contacts.
1493 	 */
1494 	if (current_num_contacts)
1495 		wacom->num_contacts_left = current_num_contacts;
1496 
1497 	contacts_to_send = min(num_contacts_left, wacom->num_contacts_left);
1498 
1499 	for (i = 0; i < contacts_to_send; i++) {
1500 		int offset = (byte_per_packet * i) + 1;
1501 		bool touch = (data[offset] & 0x1) && report_touch_events(wacom);
1502 		int slot = input_mt_get_slot_by_key(input, data[offset + 1]);
1503 
1504 		if (slot < 0)
1505 			continue;
1506 		input_mt_slot(input, slot);
1507 		input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1508 
1509 		if (touch) {
1510 			int t_x = get_unaligned_le16(&data[offset + 2]);
1511 			int t_y = get_unaligned_le16(&data[offset + 4 + y_offset]);
1512 
1513 			input_report_abs(input, ABS_MT_POSITION_X, t_x);
1514 			input_report_abs(input, ABS_MT_POSITION_Y, t_y);
1515 
1516 			if (wacom->features.type != WACOM_27QHDT) {
1517 				int c_x = get_unaligned_le16(&data[offset + 4]);
1518 				int c_y = get_unaligned_le16(&data[offset + 8]);
1519 				int w = get_unaligned_le16(&data[offset + 10]);
1520 				int h = get_unaligned_le16(&data[offset + 12]);
1521 
1522 				input_report_abs(input, ABS_MT_TOUCH_MAJOR, min(w,h));
1523 				input_report_abs(input, ABS_MT_WIDTH_MAJOR,
1524 						 min(w, h) + int_dist(t_x, t_y, c_x, c_y));
1525 				input_report_abs(input, ABS_MT_WIDTH_MINOR, min(w, h));
1526 				input_report_abs(input, ABS_MT_ORIENTATION, w > h);
1527 			}
1528 		}
1529 	}
1530 	input_mt_sync_frame(input);
1531 
1532 	wacom->num_contacts_left -= contacts_to_send;
1533 	if (wacom->num_contacts_left <= 0) {
1534 		wacom->num_contacts_left = 0;
1535 		wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1536 	}
1537 	return 1;
1538 }
1539 
1540 static int wacom_mt_touch(struct wacom_wac *wacom)
1541 {
1542 	struct input_dev *input = wacom->touch_input;
1543 	unsigned char *data = wacom->data;
1544 	int i;
1545 	int current_num_contacts = data[2];
1546 	int contacts_to_send = 0;
1547 	int x_offset = 0;
1548 
1549 	/* MTTPC does not support Height and Width */
1550 	if (wacom->features.type == MTTPC || wacom->features.type == MTTPC_B)
1551 		x_offset = -4;
1552 
1553 	/*
1554 	 * First packet resets the counter since only the first
1555 	 * packet in series will have non-zero current_num_contacts.
1556 	 */
1557 	if (current_num_contacts)
1558 		wacom->num_contacts_left = current_num_contacts;
1559 
1560 	/* There are at most 5 contacts per packet */
1561 	contacts_to_send = min(5, wacom->num_contacts_left);
1562 
1563 	for (i = 0; i < contacts_to_send; i++) {
1564 		int offset = (WACOM_BYTES_PER_MT_PACKET + x_offset) * i + 3;
1565 		bool touch = (data[offset] & 0x1) && report_touch_events(wacom);
1566 		int id = get_unaligned_le16(&data[offset + 1]);
1567 		int slot = input_mt_get_slot_by_key(input, id);
1568 
1569 		if (slot < 0)
1570 			continue;
1571 
1572 		input_mt_slot(input, slot);
1573 		input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1574 		if (touch) {
1575 			int x = get_unaligned_le16(&data[offset + x_offset + 7]);
1576 			int y = get_unaligned_le16(&data[offset + x_offset + 9]);
1577 			input_report_abs(input, ABS_MT_POSITION_X, x);
1578 			input_report_abs(input, ABS_MT_POSITION_Y, y);
1579 		}
1580 	}
1581 	input_mt_sync_frame(input);
1582 
1583 	wacom->num_contacts_left -= contacts_to_send;
1584 	if (wacom->num_contacts_left <= 0) {
1585 		wacom->num_contacts_left = 0;
1586 		wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1587 	}
1588 	return 1;
1589 }
1590 
1591 static int wacom_tpc_mt_touch(struct wacom_wac *wacom)
1592 {
1593 	struct input_dev *input = wacom->touch_input;
1594 	unsigned char *data = wacom->data;
1595 	int i;
1596 
1597 	for (i = 0; i < 2; i++) {
1598 		int p = data[1] & (1 << i);
1599 		bool touch = p && report_touch_events(wacom);
1600 
1601 		input_mt_slot(input, i);
1602 		input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1603 		if (touch) {
1604 			int x = le16_to_cpup((__le16 *)&data[i * 2 + 2]) & 0x7fff;
1605 			int y = le16_to_cpup((__le16 *)&data[i * 2 + 6]) & 0x7fff;
1606 
1607 			input_report_abs(input, ABS_MT_POSITION_X, x);
1608 			input_report_abs(input, ABS_MT_POSITION_Y, y);
1609 		}
1610 	}
1611 	input_mt_sync_frame(input);
1612 
1613 	/* keep touch state for pen event */
1614 	wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1615 
1616 	return 1;
1617 }
1618 
1619 static int wacom_tpc_single_touch(struct wacom_wac *wacom, size_t len)
1620 {
1621 	unsigned char *data = wacom->data;
1622 	struct input_dev *input = wacom->touch_input;
1623 	bool prox = report_touch_events(wacom);
1624 	int x = 0, y = 0;
1625 
1626 	if (wacom->features.touch_max > 1 || len > WACOM_PKGLEN_TPC2FG)
1627 		return 0;
1628 
1629 	if (len == WACOM_PKGLEN_TPC1FG) {
1630 		prox = prox && (data[0] & 0x01);
1631 		x = get_unaligned_le16(&data[1]);
1632 		y = get_unaligned_le16(&data[3]);
1633 	} else if (len == WACOM_PKGLEN_TPC1FG_B) {
1634 		prox = prox && (data[2] & 0x01);
1635 		x = get_unaligned_le16(&data[3]);
1636 		y = get_unaligned_le16(&data[5]);
1637 	} else {
1638 		prox = prox && (data[1] & 0x01);
1639 		x = le16_to_cpup((__le16 *)&data[2]);
1640 		y = le16_to_cpup((__le16 *)&data[4]);
1641 	}
1642 
1643 	if (prox) {
1644 		input_report_abs(input, ABS_X, x);
1645 		input_report_abs(input, ABS_Y, y);
1646 	}
1647 	input_report_key(input, BTN_TOUCH, prox);
1648 
1649 	/* keep touch state for pen events */
1650 	wacom->shared->touch_down = prox;
1651 
1652 	return 1;
1653 }
1654 
1655 static int wacom_tpc_pen(struct wacom_wac *wacom)
1656 {
1657 	unsigned char *data = wacom->data;
1658 	struct input_dev *input = wacom->pen_input;
1659 	bool prox = data[1] & 0x20;
1660 
1661 	if (!wacom->shared->stylus_in_proximity) /* first in prox */
1662 		/* Going into proximity select tool */
1663 		wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
1664 
1665 	/* keep pen state for touch events */
1666 	wacom->shared->stylus_in_proximity = prox;
1667 
1668 	/* send pen events only when touch is up or forced out
1669 	 * or touch arbitration is off
1670 	 */
1671 	if (!delay_pen_events(wacom)) {
1672 		input_report_key(input, BTN_STYLUS, data[1] & 0x02);
1673 		input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
1674 		input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
1675 		input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
1676 		input_report_abs(input, ABS_PRESSURE, ((data[7] & 0x07) << 8) | data[6]);
1677 		input_report_key(input, BTN_TOUCH, data[1] & 0x05);
1678 		input_report_key(input, wacom->tool[0], prox);
1679 		return 1;
1680 	}
1681 
1682 	return 0;
1683 }
1684 
1685 static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len)
1686 {
1687 	unsigned char *data = wacom->data;
1688 
1689 	if (wacom->pen_input) {
1690 		dev_dbg(wacom->pen_input->dev.parent,
1691 			"%s: received report #%d\n", __func__, data[0]);
1692 
1693 		if (len == WACOM_PKGLEN_PENABLED ||
1694 		    data[0] == WACOM_REPORT_PENABLED)
1695 			return wacom_tpc_pen(wacom);
1696 	}
1697 	else if (wacom->touch_input) {
1698 		dev_dbg(wacom->touch_input->dev.parent,
1699 			"%s: received report #%d\n", __func__, data[0]);
1700 
1701 		switch (len) {
1702 		case WACOM_PKGLEN_TPC1FG:
1703 			return wacom_tpc_single_touch(wacom, len);
1704 
1705 		case WACOM_PKGLEN_TPC2FG:
1706 			return wacom_tpc_mt_touch(wacom);
1707 
1708 		default:
1709 			switch (data[0]) {
1710 			case WACOM_REPORT_TPC1FG:
1711 			case WACOM_REPORT_TPCHID:
1712 			case WACOM_REPORT_TPCST:
1713 			case WACOM_REPORT_TPC1FGE:
1714 				return wacom_tpc_single_touch(wacom, len);
1715 
1716 			case WACOM_REPORT_TPCMT:
1717 			case WACOM_REPORT_TPCMT2:
1718 				return wacom_mt_touch(wacom);
1719 
1720 			}
1721 		}
1722 	}
1723 
1724 	return 0;
1725 }
1726 
1727 static int wacom_offset_rotation(struct input_dev *input, struct hid_usage *usage,
1728 				 int value, int num, int denom)
1729 {
1730 	struct input_absinfo *abs = &input->absinfo[usage->code];
1731 	int range = (abs->maximum - abs->minimum + 1);
1732 
1733 	value += num*range/denom;
1734 	if (value > abs->maximum)
1735 		value -= range;
1736 	else if (value < abs->minimum)
1737 		value += range;
1738 	return value;
1739 }
1740 
1741 int wacom_equivalent_usage(int usage)
1742 {
1743 	if ((usage & HID_USAGE_PAGE) == WACOM_HID_UP_WACOMDIGITIZER) {
1744 		int subpage = (usage & 0xFF00) << 8;
1745 		int subusage = (usage & 0xFF);
1746 
1747 		if (subpage == WACOM_HID_SP_PAD ||
1748 		    subpage == WACOM_HID_SP_BUTTON ||
1749 		    subpage == WACOM_HID_SP_DIGITIZER ||
1750 		    subpage == WACOM_HID_SP_DIGITIZERINFO ||
1751 		    usage == WACOM_HID_WD_SENSE ||
1752 		    usage == WACOM_HID_WD_SERIALHI ||
1753 		    usage == WACOM_HID_WD_TOOLTYPE ||
1754 		    usage == WACOM_HID_WD_DISTANCE ||
1755 		    usage == WACOM_HID_WD_TOUCHSTRIP ||
1756 		    usage == WACOM_HID_WD_TOUCHSTRIP2 ||
1757 		    usage == WACOM_HID_WD_TOUCHRING ||
1758 		    usage == WACOM_HID_WD_TOUCHRINGSTATUS ||
1759 		    usage == WACOM_HID_WD_REPORT_VALID) {
1760 			return usage;
1761 		}
1762 
1763 		if (subpage == HID_UP_UNDEFINED)
1764 			subpage = HID_UP_DIGITIZER;
1765 
1766 		return subpage | subusage;
1767 	}
1768 
1769 	if ((usage & HID_USAGE_PAGE) == WACOM_HID_UP_WACOMTOUCH) {
1770 		int subpage = (usage & 0xFF00) << 8;
1771 		int subusage = (usage & 0xFF);
1772 
1773 		if (usage == WACOM_HID_WT_REPORT_VALID)
1774 			return usage;
1775 
1776 		if (subpage == HID_UP_UNDEFINED)
1777 			subpage = WACOM_HID_SP_DIGITIZER;
1778 
1779 		return subpage | subusage;
1780 	}
1781 
1782 	return usage;
1783 }
1784 
1785 static void wacom_map_usage(struct input_dev *input, struct hid_usage *usage,
1786 		struct hid_field *field, __u8 type, __u16 code, int fuzz)
1787 {
1788 	struct wacom *wacom = input_get_drvdata(input);
1789 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1790 	struct wacom_features *features = &wacom_wac->features;
1791 	int fmin = field->logical_minimum;
1792 	int fmax = field->logical_maximum;
1793 	unsigned int equivalent_usage = wacom_equivalent_usage(usage->hid);
1794 	int resolution_code = code;
1795 
1796 	if (equivalent_usage == HID_DG_TWIST) {
1797 		resolution_code = ABS_RZ;
1798 	}
1799 
1800 	if (equivalent_usage == HID_GD_X) {
1801 		fmin += features->offset_left;
1802 		fmax -= features->offset_right;
1803 	}
1804 	if (equivalent_usage == HID_GD_Y) {
1805 		fmin += features->offset_top;
1806 		fmax -= features->offset_bottom;
1807 	}
1808 
1809 	usage->type = type;
1810 	usage->code = code;
1811 
1812 	set_bit(type, input->evbit);
1813 
1814 	switch (type) {
1815 	case EV_ABS:
1816 		input_set_abs_params(input, code, fmin, fmax, fuzz, 0);
1817 		input_abs_set_res(input, code,
1818 				  hidinput_calc_abs_res(field, resolution_code));
1819 		break;
1820 	case EV_KEY:
1821 		input_set_capability(input, EV_KEY, code);
1822 		break;
1823 	case EV_MSC:
1824 		input_set_capability(input, EV_MSC, code);
1825 		break;
1826 	case EV_SW:
1827 		input_set_capability(input, EV_SW, code);
1828 		break;
1829 	}
1830 }
1831 
1832 static void wacom_wac_battery_usage_mapping(struct hid_device *hdev,
1833 		struct hid_field *field, struct hid_usage *usage)
1834 {
1835 	struct wacom *wacom = hid_get_drvdata(hdev);
1836 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1837 	struct wacom_features *features = &wacom_wac->features;
1838 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1839 
1840 	switch (equivalent_usage) {
1841 	case HID_DG_BATTERYSTRENGTH:
1842 	case WACOM_HID_WD_BATTERY_LEVEL:
1843 	case WACOM_HID_WD_BATTERY_CHARGING:
1844 		features->quirks |= WACOM_QUIRK_BATTERY;
1845 		break;
1846 	}
1847 }
1848 
1849 static void wacom_wac_battery_event(struct hid_device *hdev, struct hid_field *field,
1850 		struct hid_usage *usage, __s32 value)
1851 {
1852 	struct wacom *wacom = hid_get_drvdata(hdev);
1853 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1854 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1855 
1856 	switch (equivalent_usage) {
1857 	case HID_DG_BATTERYSTRENGTH:
1858 		if (value == 0) {
1859 			wacom_wac->hid_data.bat_status = POWER_SUPPLY_STATUS_UNKNOWN;
1860 		}
1861 		else {
1862 			value = value * 100 / (field->logical_maximum - field->logical_minimum);
1863 			wacom_wac->hid_data.battery_capacity = value;
1864 			wacom_wac->hid_data.bat_connected = 1;
1865 			wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
1866 		}
1867 		break;
1868 	case WACOM_HID_WD_BATTERY_LEVEL:
1869 		value = value * 100 / (field->logical_maximum - field->logical_minimum);
1870 		wacom_wac->hid_data.battery_capacity = value;
1871 		wacom_wac->hid_data.bat_connected = 1;
1872 		wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
1873 		break;
1874 	case WACOM_HID_WD_BATTERY_CHARGING:
1875 		wacom_wac->hid_data.bat_charging = value;
1876 		wacom_wac->hid_data.ps_connected = value;
1877 		wacom_wac->hid_data.bat_connected = 1;
1878 		wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
1879 		break;
1880 	}
1881 }
1882 
1883 static void wacom_wac_battery_pre_report(struct hid_device *hdev,
1884 		struct hid_report *report)
1885 {
1886 	return;
1887 }
1888 
1889 static void wacom_wac_battery_report(struct hid_device *hdev,
1890 		struct hid_report *report)
1891 {
1892 	struct wacom *wacom = hid_get_drvdata(hdev);
1893 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1894 	struct wacom_features *features = &wacom_wac->features;
1895 
1896 	if (features->quirks & WACOM_QUIRK_BATTERY) {
1897 		int status = wacom_wac->hid_data.bat_status;
1898 		int capacity = wacom_wac->hid_data.battery_capacity;
1899 		bool charging = wacom_wac->hid_data.bat_charging;
1900 		bool connected = wacom_wac->hid_data.bat_connected;
1901 		bool powered = wacom_wac->hid_data.ps_connected;
1902 
1903 		wacom_notify_battery(wacom_wac, status, capacity, charging,
1904 				     connected, powered);
1905 	}
1906 }
1907 
1908 static void wacom_wac_pad_usage_mapping(struct hid_device *hdev,
1909 		struct hid_field *field, struct hid_usage *usage)
1910 {
1911 	struct wacom *wacom = hid_get_drvdata(hdev);
1912 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1913 	struct wacom_features *features = &wacom_wac->features;
1914 	struct input_dev *input = wacom_wac->pad_input;
1915 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1916 
1917 	switch (equivalent_usage) {
1918 	case WACOM_HID_WD_ACCELEROMETER_X:
1919 		__set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
1920 		wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 0);
1921 		features->device_type |= WACOM_DEVICETYPE_PAD;
1922 		break;
1923 	case WACOM_HID_WD_ACCELEROMETER_Y:
1924 		__set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
1925 		wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 0);
1926 		features->device_type |= WACOM_DEVICETYPE_PAD;
1927 		break;
1928 	case WACOM_HID_WD_ACCELEROMETER_Z:
1929 		__set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
1930 		wacom_map_usage(input, usage, field, EV_ABS, ABS_Z, 0);
1931 		features->device_type |= WACOM_DEVICETYPE_PAD;
1932 		break;
1933 	case WACOM_HID_WD_BUTTONCENTER:
1934 	case WACOM_HID_WD_BUTTONHOME:
1935 	case WACOM_HID_WD_BUTTONUP:
1936 	case WACOM_HID_WD_BUTTONDOWN:
1937 	case WACOM_HID_WD_BUTTONLEFT:
1938 	case WACOM_HID_WD_BUTTONRIGHT:
1939 		wacom_map_usage(input, usage, field, EV_KEY,
1940 				wacom_numbered_button_to_key(features->numbered_buttons),
1941 				0);
1942 		features->numbered_buttons++;
1943 		features->device_type |= WACOM_DEVICETYPE_PAD;
1944 		break;
1945 	case WACOM_HID_WD_TOUCHONOFF:
1946 	case WACOM_HID_WD_MUTE_DEVICE:
1947 		/*
1948 		 * This usage, which is used to mute touch events, comes
1949 		 * from the pad packet, but is reported on the touch
1950 		 * interface. Because the touch interface may not have
1951 		 * been created yet, we cannot call wacom_map_usage(). In
1952 		 * order to process this usage when we receive it, we set
1953 		 * the usage type and code directly.
1954 		 */
1955 		wacom_wac->has_mute_touch_switch = true;
1956 		usage->type = EV_SW;
1957 		usage->code = SW_MUTE_DEVICE;
1958 		features->device_type |= WACOM_DEVICETYPE_PAD;
1959 		break;
1960 	case WACOM_HID_WD_TOUCHSTRIP:
1961 		wacom_map_usage(input, usage, field, EV_ABS, ABS_RX, 0);
1962 		features->device_type |= WACOM_DEVICETYPE_PAD;
1963 		break;
1964 	case WACOM_HID_WD_TOUCHSTRIP2:
1965 		wacom_map_usage(input, usage, field, EV_ABS, ABS_RY, 0);
1966 		features->device_type |= WACOM_DEVICETYPE_PAD;
1967 		break;
1968 	case WACOM_HID_WD_TOUCHRING:
1969 		wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0);
1970 		features->device_type |= WACOM_DEVICETYPE_PAD;
1971 		break;
1972 	case WACOM_HID_WD_TOUCHRINGSTATUS:
1973 		/*
1974 		 * Only set up type/code association. Completely mapping
1975 		 * this usage may overwrite the axis resolution and range.
1976 		 */
1977 		usage->type = EV_ABS;
1978 		usage->code = ABS_WHEEL;
1979 		set_bit(EV_ABS, input->evbit);
1980 		features->device_type |= WACOM_DEVICETYPE_PAD;
1981 		break;
1982 	case WACOM_HID_WD_BUTTONCONFIG:
1983 		wacom_map_usage(input, usage, field, EV_KEY, KEY_BUTTONCONFIG, 0);
1984 		features->device_type |= WACOM_DEVICETYPE_PAD;
1985 		break;
1986 	case WACOM_HID_WD_ONSCREEN_KEYBOARD:
1987 		wacom_map_usage(input, usage, field, EV_KEY, KEY_ONSCREEN_KEYBOARD, 0);
1988 		features->device_type |= WACOM_DEVICETYPE_PAD;
1989 		break;
1990 	case WACOM_HID_WD_CONTROLPANEL:
1991 		wacom_map_usage(input, usage, field, EV_KEY, KEY_CONTROLPANEL, 0);
1992 		features->device_type |= WACOM_DEVICETYPE_PAD;
1993 		break;
1994 	case WACOM_HID_WD_MODE_CHANGE:
1995 		/* do not overwrite previous data */
1996 		if (!wacom_wac->has_mode_change) {
1997 			wacom_wac->has_mode_change = true;
1998 			wacom_wac->is_direct_mode = true;
1999 		}
2000 		features->device_type |= WACOM_DEVICETYPE_PAD;
2001 		break;
2002 	}
2003 
2004 	switch (equivalent_usage & 0xfffffff0) {
2005 	case WACOM_HID_WD_EXPRESSKEY00:
2006 		wacom_map_usage(input, usage, field, EV_KEY,
2007 				wacom_numbered_button_to_key(features->numbered_buttons),
2008 				0);
2009 		features->numbered_buttons++;
2010 		features->device_type |= WACOM_DEVICETYPE_PAD;
2011 		break;
2012 	}
2013 }
2014 
2015 static void wacom_wac_pad_event(struct hid_device *hdev, struct hid_field *field,
2016 		struct hid_usage *usage, __s32 value)
2017 {
2018 	struct wacom *wacom = hid_get_drvdata(hdev);
2019 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2020 	struct input_dev *input = wacom_wac->pad_input;
2021 	struct wacom_features *features = &wacom_wac->features;
2022 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2023 	int i;
2024 	bool do_report = false;
2025 
2026 	/*
2027 	 * Avoid reporting this event and setting inrange_state if this usage
2028 	 * hasn't been mapped.
2029 	 */
2030 	if (!usage->type && equivalent_usage != WACOM_HID_WD_MODE_CHANGE)
2031 		return;
2032 
2033 	if (wacom_equivalent_usage(field->physical) == HID_DG_TABLETFUNCTIONKEY) {
2034 		if (usage->hid != WACOM_HID_WD_TOUCHRING)
2035 			wacom_wac->hid_data.inrange_state |= value;
2036 	}
2037 
2038 	switch (equivalent_usage) {
2039 	case WACOM_HID_WD_TOUCHRING:
2040 		/*
2041 		 * Userspace expects touchrings to increase in value with
2042 		 * clockwise gestures and have their zero point at the
2043 		 * tablet's left. HID events "should" be clockwise-
2044 		 * increasing and zero at top, though the MobileStudio
2045 		 * Pro and 2nd-gen Intuos Pro don't do this...
2046 		 */
2047 		if (hdev->vendor == 0x56a &&
2048 		    (hdev->product == 0x34d || hdev->product == 0x34e ||  /* MobileStudio Pro */
2049 		     hdev->product == 0x357 || hdev->product == 0x358 ||  /* Intuos Pro 2 */
2050 		     hdev->product == 0x392 ||				  /* Intuos Pro 2 */
2051 		     hdev->product == 0x399)) {				  /* MobileStudio Pro */
2052 			value = (field->logical_maximum - value);
2053 
2054 			if (hdev->product == 0x357 || hdev->product == 0x358 ||
2055 			    hdev->product == 0x392)
2056 				value = wacom_offset_rotation(input, usage, value, 3, 16);
2057 			else if (hdev->product == 0x34d || hdev->product == 0x34e ||
2058 				 hdev->product == 0x399)
2059 				value = wacom_offset_rotation(input, usage, value, 1, 2);
2060 		}
2061 		else {
2062 			value = wacom_offset_rotation(input, usage, value, 1, 4);
2063 		}
2064 		do_report = true;
2065 		break;
2066 	case WACOM_HID_WD_TOUCHRINGSTATUS:
2067 		if (!value)
2068 			input_event(input, usage->type, usage->code, 0);
2069 		break;
2070 
2071 	case WACOM_HID_WD_MUTE_DEVICE:
2072 	case WACOM_HID_WD_TOUCHONOFF:
2073 		if (wacom_wac->shared->touch_input) {
2074 			bool *is_touch_on = &wacom_wac->shared->is_touch_on;
2075 
2076 			if (equivalent_usage == WACOM_HID_WD_MUTE_DEVICE && value)
2077 				*is_touch_on = !(*is_touch_on);
2078 			else if (equivalent_usage == WACOM_HID_WD_TOUCHONOFF)
2079 				*is_touch_on = value;
2080 
2081 			input_report_switch(wacom_wac->shared->touch_input,
2082 					    SW_MUTE_DEVICE, !(*is_touch_on));
2083 			input_sync(wacom_wac->shared->touch_input);
2084 		}
2085 		break;
2086 
2087 	case WACOM_HID_WD_MODE_CHANGE:
2088 		if (wacom_wac->is_direct_mode != value) {
2089 			wacom_wac->is_direct_mode = value;
2090 			wacom_schedule_work(&wacom->wacom_wac, WACOM_WORKER_MODE_CHANGE);
2091 		}
2092 		break;
2093 
2094 	case WACOM_HID_WD_BUTTONCENTER:
2095 		for (i = 0; i < wacom->led.count; i++)
2096 			wacom_update_led(wacom, features->numbered_buttons,
2097 					 value, i);
2098 		 /* fall through*/
2099 	default:
2100 		do_report = true;
2101 		break;
2102 	}
2103 
2104 	if (do_report) {
2105 		input_event(input, usage->type, usage->code, value);
2106 		if (value)
2107 			wacom_wac->hid_data.pad_input_event_flag = true;
2108 	}
2109 }
2110 
2111 static void wacom_wac_pad_pre_report(struct hid_device *hdev,
2112 		struct hid_report *report)
2113 {
2114 	struct wacom *wacom = hid_get_drvdata(hdev);
2115 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2116 
2117 	wacom_wac->hid_data.inrange_state = 0;
2118 }
2119 
2120 static void wacom_wac_pad_report(struct hid_device *hdev,
2121 		struct hid_report *report, struct hid_field *field)
2122 {
2123 	struct wacom *wacom = hid_get_drvdata(hdev);
2124 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2125 	struct input_dev *input = wacom_wac->pad_input;
2126 	bool active = wacom_wac->hid_data.inrange_state != 0;
2127 
2128 	/* report prox for expresskey events */
2129 	if (wacom_wac->hid_data.pad_input_event_flag) {
2130 		input_event(input, EV_ABS, ABS_MISC, active ? PAD_DEVICE_ID : 0);
2131 		input_sync(input);
2132 		if (!active)
2133 			wacom_wac->hid_data.pad_input_event_flag = false;
2134 	}
2135 }
2136 
2137 static void wacom_wac_pen_usage_mapping(struct hid_device *hdev,
2138 		struct hid_field *field, struct hid_usage *usage)
2139 {
2140 	struct wacom *wacom = hid_get_drvdata(hdev);
2141 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2142 	struct wacom_features *features = &wacom_wac->features;
2143 	struct input_dev *input = wacom_wac->pen_input;
2144 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2145 
2146 	switch (equivalent_usage) {
2147 	case HID_GD_X:
2148 		wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 4);
2149 		break;
2150 	case HID_GD_Y:
2151 		wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 4);
2152 		break;
2153 	case WACOM_HID_WD_DISTANCE:
2154 	case HID_GD_Z:
2155 		wacom_map_usage(input, usage, field, EV_ABS, ABS_DISTANCE, 0);
2156 		break;
2157 	case HID_DG_TIPPRESSURE:
2158 		wacom_map_usage(input, usage, field, EV_ABS, ABS_PRESSURE, 0);
2159 		break;
2160 	case HID_DG_INRANGE:
2161 		wacom_map_usage(input, usage, field, EV_KEY, BTN_TOOL_PEN, 0);
2162 		break;
2163 	case HID_DG_INVERT:
2164 		wacom_map_usage(input, usage, field, EV_KEY,
2165 				BTN_TOOL_RUBBER, 0);
2166 		break;
2167 	case HID_DG_TILT_X:
2168 		wacom_map_usage(input, usage, field, EV_ABS, ABS_TILT_X, 0);
2169 		break;
2170 	case HID_DG_TILT_Y:
2171 		wacom_map_usage(input, usage, field, EV_ABS, ABS_TILT_Y, 0);
2172 		break;
2173 	case HID_DG_TWIST:
2174 		wacom_map_usage(input, usage, field, EV_ABS, ABS_Z, 0);
2175 		break;
2176 	case HID_DG_ERASER:
2177 	case HID_DG_TIPSWITCH:
2178 		wacom_map_usage(input, usage, field, EV_KEY, BTN_TOUCH, 0);
2179 		break;
2180 	case HID_DG_BARRELSWITCH:
2181 		wacom_map_usage(input, usage, field, EV_KEY, BTN_STYLUS, 0);
2182 		break;
2183 	case HID_DG_BARRELSWITCH2:
2184 		wacom_map_usage(input, usage, field, EV_KEY, BTN_STYLUS2, 0);
2185 		break;
2186 	case HID_DG_TOOLSERIALNUMBER:
2187 		features->quirks |= WACOM_QUIRK_TOOLSERIAL;
2188 		wacom_map_usage(input, usage, field, EV_MSC, MSC_SERIAL, 0);
2189 		break;
2190 	case WACOM_HID_WD_SENSE:
2191 		features->quirks |= WACOM_QUIRK_SENSE;
2192 		wacom_map_usage(input, usage, field, EV_KEY, BTN_TOOL_PEN, 0);
2193 		break;
2194 	case WACOM_HID_WD_SERIALHI:
2195 		wacom_map_usage(input, usage, field, EV_ABS, ABS_MISC, 0);
2196 
2197 		if (!(features->quirks & WACOM_QUIRK_AESPEN)) {
2198 			set_bit(EV_KEY, input->evbit);
2199 			input_set_capability(input, EV_KEY, BTN_TOOL_PEN);
2200 			input_set_capability(input, EV_KEY, BTN_TOOL_RUBBER);
2201 			input_set_capability(input, EV_KEY, BTN_TOOL_BRUSH);
2202 			input_set_capability(input, EV_KEY, BTN_TOOL_PENCIL);
2203 			input_set_capability(input, EV_KEY, BTN_TOOL_AIRBRUSH);
2204 			if (!(features->device_type & WACOM_DEVICETYPE_DIRECT)) {
2205 				input_set_capability(input, EV_KEY, BTN_TOOL_MOUSE);
2206 				input_set_capability(input, EV_KEY, BTN_TOOL_LENS);
2207 			}
2208 		}
2209 		break;
2210 	case WACOM_HID_WD_FINGERWHEEL:
2211 		wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0);
2212 		break;
2213 	}
2214 }
2215 
2216 static void wacom_wac_pen_event(struct hid_device *hdev, struct hid_field *field,
2217 		struct hid_usage *usage, __s32 value)
2218 {
2219 	struct wacom *wacom = hid_get_drvdata(hdev);
2220 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2221 	struct wacom_features *features = &wacom_wac->features;
2222 	struct input_dev *input = wacom_wac->pen_input;
2223 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2224 
2225 	if (wacom_wac->is_invalid_bt_frame)
2226 		return;
2227 
2228 	switch (equivalent_usage) {
2229 	case HID_GD_Z:
2230 		/*
2231 		 * HID_GD_Z "should increase as the control's position is
2232 		 * moved from high to low", while ABS_DISTANCE instead
2233 		 * increases in value as the tool moves from low to high.
2234 		 */
2235 		value = field->logical_maximum - value;
2236 		break;
2237 	case HID_DG_INRANGE:
2238 		wacom_wac->hid_data.inrange_state = value;
2239 		if (!(features->quirks & WACOM_QUIRK_SENSE))
2240 			wacom_wac->hid_data.sense_state = value;
2241 		return;
2242 	case HID_DG_INVERT:
2243 		wacom_wac->hid_data.invert_state = value;
2244 		return;
2245 	case HID_DG_ERASER:
2246 	case HID_DG_TIPSWITCH:
2247 		wacom_wac->hid_data.tipswitch |= value;
2248 		return;
2249 	case HID_DG_BARRELSWITCH:
2250 		wacom_wac->hid_data.barrelswitch = value;
2251 		return;
2252 	case HID_DG_BARRELSWITCH2:
2253 		wacom_wac->hid_data.barrelswitch2 = value;
2254 		return;
2255 	case HID_DG_TOOLSERIALNUMBER:
2256 		if (value) {
2257 			wacom_wac->serial[0] = (wacom_wac->serial[0] & ~0xFFFFFFFFULL);
2258 			wacom_wac->serial[0] |= (__u32)value;
2259 		}
2260 		return;
2261 	case HID_DG_TWIST:
2262 		/*
2263 		 * Userspace expects pen twist to have its zero point when
2264 		 * the buttons/finger is on the tablet's left. HID values
2265 		 * are zero when buttons are toward the top.
2266 		 */
2267 		value = wacom_offset_rotation(input, usage, value, 1, 4);
2268 		break;
2269 	case WACOM_HID_WD_SENSE:
2270 		wacom_wac->hid_data.sense_state = value;
2271 		return;
2272 	case WACOM_HID_WD_SERIALHI:
2273 		if (value) {
2274 			wacom_wac->serial[0] = (wacom_wac->serial[0] & 0xFFFFFFFF);
2275 			wacom_wac->serial[0] |= ((__u64)value) << 32;
2276 			/*
2277 			 * Non-USI EMR devices may contain additional tool type
2278 			 * information here. See WACOM_HID_WD_TOOLTYPE case for
2279 			 * more details.
2280 			 */
2281 			if (value >> 20 == 1) {
2282 				wacom_wac->id[0] |= value & 0xFFFFF;
2283 			}
2284 		}
2285 		return;
2286 	case WACOM_HID_WD_TOOLTYPE:
2287 		/*
2288 		 * Some devices (MobileStudio Pro, and possibly later
2289 		 * devices as well) do not return the complete tool
2290 		 * type in their WACOM_HID_WD_TOOLTYPE usage. Use a
2291 		 * bitwise OR so the complete value can be built
2292 		 * up over time :(
2293 		 */
2294 		wacom_wac->id[0] |= value;
2295 		return;
2296 	case WACOM_HID_WD_OFFSETLEFT:
2297 		if (features->offset_left && value != features->offset_left)
2298 			hid_warn(hdev, "%s: overriding existing left offset "
2299 				 "%d -> %d\n", __func__, value,
2300 				 features->offset_left);
2301 		features->offset_left = value;
2302 		return;
2303 	case WACOM_HID_WD_OFFSETRIGHT:
2304 		if (features->offset_right && value != features->offset_right)
2305 			hid_warn(hdev, "%s: overriding existing right offset "
2306 				 "%d -> %d\n", __func__, value,
2307 				 features->offset_right);
2308 		features->offset_right = value;
2309 		return;
2310 	case WACOM_HID_WD_OFFSETTOP:
2311 		if (features->offset_top && value != features->offset_top)
2312 			hid_warn(hdev, "%s: overriding existing top offset "
2313 				 "%d -> %d\n", __func__, value,
2314 				 features->offset_top);
2315 		features->offset_top = value;
2316 		return;
2317 	case WACOM_HID_WD_OFFSETBOTTOM:
2318 		if (features->offset_bottom && value != features->offset_bottom)
2319 			hid_warn(hdev, "%s: overriding existing bottom offset "
2320 				 "%d -> %d\n", __func__, value,
2321 				 features->offset_bottom);
2322 		features->offset_bottom = value;
2323 		return;
2324 	case WACOM_HID_WD_REPORT_VALID:
2325 		wacom_wac->is_invalid_bt_frame = !value;
2326 		return;
2327 	}
2328 
2329 	/* send pen events only when touch is up or forced out
2330 	 * or touch arbitration is off
2331 	 */
2332 	if (!usage->type || delay_pen_events(wacom_wac))
2333 		return;
2334 
2335 	/* send pen events only when the pen is in range */
2336 	if (wacom_wac->hid_data.inrange_state)
2337 		input_event(input, usage->type, usage->code, value);
2338 	else if (wacom_wac->shared->stylus_in_proximity && !wacom_wac->hid_data.sense_state)
2339 		input_event(input, usage->type, usage->code, 0);
2340 }
2341 
2342 static void wacom_wac_pen_pre_report(struct hid_device *hdev,
2343 		struct hid_report *report)
2344 {
2345 	struct wacom *wacom = hid_get_drvdata(hdev);
2346 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2347 
2348 	wacom_wac->is_invalid_bt_frame = false;
2349 	return;
2350 }
2351 
2352 static void wacom_wac_pen_report(struct hid_device *hdev,
2353 		struct hid_report *report)
2354 {
2355 	struct wacom *wacom = hid_get_drvdata(hdev);
2356 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2357 	struct input_dev *input = wacom_wac->pen_input;
2358 	bool range = wacom_wac->hid_data.inrange_state;
2359 	bool sense = wacom_wac->hid_data.sense_state;
2360 
2361 	if (wacom_wac->is_invalid_bt_frame)
2362 		return;
2363 
2364 	if (!wacom_wac->tool[0] && range) { /* first in range */
2365 		/* Going into range select tool */
2366 		if (wacom_wac->hid_data.invert_state)
2367 			wacom_wac->tool[0] = BTN_TOOL_RUBBER;
2368 		else if (wacom_wac->id[0])
2369 			wacom_wac->tool[0] = wacom_intuos_get_tool_type(wacom_wac->id[0]);
2370 		else
2371 			wacom_wac->tool[0] = BTN_TOOL_PEN;
2372 	}
2373 
2374 	/* keep pen state for touch events */
2375 	wacom_wac->shared->stylus_in_proximity = sense;
2376 
2377 	if (!delay_pen_events(wacom_wac) && wacom_wac->tool[0]) {
2378 		int id = wacom_wac->id[0];
2379 		int sw_state = wacom_wac->hid_data.barrelswitch |
2380 			       (wacom_wac->hid_data.barrelswitch2 << 1);
2381 
2382 		input_report_key(input, BTN_STYLUS, sw_state == 1);
2383 		input_report_key(input, BTN_STYLUS2, sw_state == 2);
2384 		input_report_key(input, BTN_STYLUS3, sw_state == 3);
2385 
2386 		/*
2387 		 * Non-USI EMR tools should have their IDs mangled to
2388 		 * match the legacy behavior of wacom_intuos_general
2389 		 */
2390 		if (wacom_wac->serial[0] >> 52 == 1)
2391 			id = wacom_intuos_id_mangle(id);
2392 
2393 		/*
2394 		 * To ensure compatibility with xf86-input-wacom, we should
2395 		 * report the BTN_TOOL_* event prior to the ABS_MISC or
2396 		 * MSC_SERIAL events.
2397 		 */
2398 		input_report_key(input, BTN_TOUCH,
2399 				wacom_wac->hid_data.tipswitch);
2400 		input_report_key(input, wacom_wac->tool[0], sense);
2401 		if (wacom_wac->serial[0]) {
2402 			input_event(input, EV_MSC, MSC_SERIAL, wacom_wac->serial[0]);
2403 			input_report_abs(input, ABS_MISC, sense ? id : 0);
2404 		}
2405 
2406 		wacom_wac->hid_data.tipswitch = false;
2407 
2408 		input_sync(input);
2409 	}
2410 
2411 	if (!sense) {
2412 		wacom_wac->tool[0] = 0;
2413 		wacom_wac->id[0] = 0;
2414 		wacom_wac->serial[0] = 0;
2415 	}
2416 }
2417 
2418 static void wacom_wac_finger_usage_mapping(struct hid_device *hdev,
2419 		struct hid_field *field, struct hid_usage *usage)
2420 {
2421 	struct wacom *wacom = hid_get_drvdata(hdev);
2422 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2423 	struct input_dev *input = wacom_wac->touch_input;
2424 	unsigned touch_max = wacom_wac->features.touch_max;
2425 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2426 
2427 	switch (equivalent_usage) {
2428 	case HID_GD_X:
2429 		if (touch_max == 1)
2430 			wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 4);
2431 		else
2432 			wacom_map_usage(input, usage, field, EV_ABS,
2433 					ABS_MT_POSITION_X, 4);
2434 		break;
2435 	case HID_GD_Y:
2436 		if (touch_max == 1)
2437 			wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 4);
2438 		else
2439 			wacom_map_usage(input, usage, field, EV_ABS,
2440 					ABS_MT_POSITION_Y, 4);
2441 		break;
2442 	case HID_DG_WIDTH:
2443 	case HID_DG_HEIGHT:
2444 		wacom_map_usage(input, usage, field, EV_ABS, ABS_MT_TOUCH_MAJOR, 0);
2445 		wacom_map_usage(input, usage, field, EV_ABS, ABS_MT_TOUCH_MINOR, 0);
2446 		input_set_abs_params(input, ABS_MT_ORIENTATION, 0, 1, 0, 0);
2447 		break;
2448 	case HID_DG_TIPSWITCH:
2449 		wacom_map_usage(input, usage, field, EV_KEY, BTN_TOUCH, 0);
2450 		break;
2451 	case HID_DG_CONTACTCOUNT:
2452 		wacom_wac->hid_data.cc_report = field->report->id;
2453 		wacom_wac->hid_data.cc_index = field->index;
2454 		wacom_wac->hid_data.cc_value_index = usage->usage_index;
2455 		break;
2456 	case HID_DG_CONTACTID:
2457 		if ((field->logical_maximum - field->logical_minimum) < touch_max) {
2458 			/*
2459 			 * The HID descriptor for G11 sensors leaves logical
2460 			 * maximum set to '1' despite it being a multitouch
2461 			 * device. Override to a sensible number.
2462 			 */
2463 			field->logical_maximum = 255;
2464 		}
2465 		break;
2466 	}
2467 }
2468 
2469 static void wacom_wac_finger_slot(struct wacom_wac *wacom_wac,
2470 		struct input_dev *input)
2471 {
2472 	struct hid_data *hid_data = &wacom_wac->hid_data;
2473 	bool mt = wacom_wac->features.touch_max > 1;
2474 	bool prox = hid_data->tipswitch &&
2475 		    report_touch_events(wacom_wac);
2476 
2477 	if (wacom_wac->shared->has_mute_touch_switch &&
2478 	    !wacom_wac->shared->is_touch_on) {
2479 		if (!wacom_wac->shared->touch_down)
2480 			return;
2481 		prox = 0;
2482 	}
2483 
2484 	wacom_wac->hid_data.num_received++;
2485 	if (wacom_wac->hid_data.num_received > wacom_wac->hid_data.num_expected)
2486 		return;
2487 
2488 	if (mt) {
2489 		int slot;
2490 
2491 		slot = input_mt_get_slot_by_key(input, hid_data->id);
2492 		input_mt_slot(input, slot);
2493 		input_mt_report_slot_state(input, MT_TOOL_FINGER, prox);
2494 	}
2495 	else {
2496 		input_report_key(input, BTN_TOUCH, prox);
2497 	}
2498 
2499 	if (prox) {
2500 		input_report_abs(input, mt ? ABS_MT_POSITION_X : ABS_X,
2501 				 hid_data->x);
2502 		input_report_abs(input, mt ? ABS_MT_POSITION_Y : ABS_Y,
2503 				 hid_data->y);
2504 
2505 		if (test_bit(ABS_MT_TOUCH_MAJOR, input->absbit)) {
2506 			input_report_abs(input, ABS_MT_TOUCH_MAJOR, max(hid_data->width, hid_data->height));
2507 			input_report_abs(input, ABS_MT_TOUCH_MINOR, min(hid_data->width, hid_data->height));
2508 			if (hid_data->width != hid_data->height)
2509 				input_report_abs(input, ABS_MT_ORIENTATION, hid_data->width <= hid_data->height ? 0 : 1);
2510 		}
2511 	}
2512 }
2513 
2514 static void wacom_wac_finger_event(struct hid_device *hdev,
2515 		struct hid_field *field, struct hid_usage *usage, __s32 value)
2516 {
2517 	struct wacom *wacom = hid_get_drvdata(hdev);
2518 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2519 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2520 	struct wacom_features *features = &wacom->wacom_wac.features;
2521 
2522 	if (wacom_wac->is_invalid_bt_frame)
2523 		return;
2524 
2525 	switch (equivalent_usage) {
2526 	case HID_GD_X:
2527 		wacom_wac->hid_data.x = value;
2528 		break;
2529 	case HID_GD_Y:
2530 		wacom_wac->hid_data.y = value;
2531 		break;
2532 	case HID_DG_WIDTH:
2533 		wacom_wac->hid_data.width = value;
2534 		break;
2535 	case HID_DG_HEIGHT:
2536 		wacom_wac->hid_data.height = value;
2537 		break;
2538 	case HID_DG_CONTACTID:
2539 		wacom_wac->hid_data.id = value;
2540 		break;
2541 	case HID_DG_TIPSWITCH:
2542 		wacom_wac->hid_data.tipswitch = value;
2543 		break;
2544 	case WACOM_HID_WT_REPORT_VALID:
2545 		wacom_wac->is_invalid_bt_frame = !value;
2546 		return;
2547 	case HID_DG_CONTACTMAX:
2548 		features->touch_max = value;
2549 		return;
2550 	}
2551 
2552 	if (usage->usage_index + 1 == field->report_count) {
2553 		if (equivalent_usage == wacom_wac->hid_data.last_slot_field)
2554 			wacom_wac_finger_slot(wacom_wac, wacom_wac->touch_input);
2555 	}
2556 }
2557 
2558 static void wacom_wac_finger_pre_report(struct hid_device *hdev,
2559 		struct hid_report *report)
2560 {
2561 	struct wacom *wacom = hid_get_drvdata(hdev);
2562 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2563 	struct hid_data* hid_data = &wacom_wac->hid_data;
2564 	int i;
2565 
2566 	wacom_wac->is_invalid_bt_frame = false;
2567 
2568 	for (i = 0; i < report->maxfield; i++) {
2569 		struct hid_field *field = report->field[i];
2570 		int j;
2571 
2572 		for (j = 0; j < field->maxusage; j++) {
2573 			struct hid_usage *usage = &field->usage[j];
2574 			unsigned int equivalent_usage =
2575 				wacom_equivalent_usage(usage->hid);
2576 
2577 			switch (equivalent_usage) {
2578 			case HID_GD_X:
2579 			case HID_GD_Y:
2580 			case HID_DG_WIDTH:
2581 			case HID_DG_HEIGHT:
2582 			case HID_DG_CONTACTID:
2583 			case HID_DG_INRANGE:
2584 			case HID_DG_INVERT:
2585 			case HID_DG_TIPSWITCH:
2586 				hid_data->last_slot_field = equivalent_usage;
2587 				break;
2588 			}
2589 		}
2590 	}
2591 }
2592 
2593 static void wacom_wac_finger_report(struct hid_device *hdev,
2594 		struct hid_report *report)
2595 {
2596 	struct wacom *wacom = hid_get_drvdata(hdev);
2597 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2598 	struct input_dev *input = wacom_wac->touch_input;
2599 	unsigned touch_max = wacom_wac->features.touch_max;
2600 	struct hid_data *hid_data = &wacom_wac->hid_data;
2601 
2602 	/* If more packets of data are expected, give us a chance to
2603 	 * process them rather than immediately syncing a partial
2604 	 * update.
2605 	 */
2606 	if (wacom_wac->hid_data.num_received < wacom_wac->hid_data.num_expected)
2607 		return;
2608 
2609 	if (touch_max > 1)
2610 		input_mt_sync_frame(input);
2611 
2612 	input_sync(input);
2613 	wacom_wac->hid_data.num_received = 0;
2614 	hid_data->num_expected = 0;
2615 
2616 	/* keep touch state for pen event */
2617 	wacom_wac->shared->touch_down = wacom_wac_finger_count_touches(wacom_wac);
2618 }
2619 
2620 void wacom_wac_usage_mapping(struct hid_device *hdev,
2621 		struct hid_field *field, struct hid_usage *usage)
2622 {
2623 	struct wacom *wacom = hid_get_drvdata(hdev);
2624 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2625 	struct wacom_features *features = &wacom_wac->features;
2626 
2627 	if (WACOM_DIRECT_DEVICE(field))
2628 		features->device_type |= WACOM_DEVICETYPE_DIRECT;
2629 
2630 	/* usage tests must precede field tests */
2631 	if (WACOM_BATTERY_USAGE(usage))
2632 		wacom_wac_battery_usage_mapping(hdev, field, usage);
2633 	else if (WACOM_PAD_FIELD(field))
2634 		wacom_wac_pad_usage_mapping(hdev, field, usage);
2635 	else if (WACOM_PEN_FIELD(field))
2636 		wacom_wac_pen_usage_mapping(hdev, field, usage);
2637 	else if (WACOM_FINGER_FIELD(field))
2638 		wacom_wac_finger_usage_mapping(hdev, field, usage);
2639 }
2640 
2641 void wacom_wac_event(struct hid_device *hdev, struct hid_field *field,
2642 		struct hid_usage *usage, __s32 value)
2643 {
2644 	struct wacom *wacom = hid_get_drvdata(hdev);
2645 
2646 	if (wacom->wacom_wac.features.type != HID_GENERIC)
2647 		return;
2648 
2649 	if (value > field->logical_maximum || value < field->logical_minimum)
2650 		return;
2651 
2652 	/* usage tests must precede field tests */
2653 	if (WACOM_BATTERY_USAGE(usage))
2654 		wacom_wac_battery_event(hdev, field, usage, value);
2655 	else if (WACOM_PAD_FIELD(field) && wacom->wacom_wac.pad_input)
2656 		wacom_wac_pad_event(hdev, field, usage, value);
2657 	else if (WACOM_PEN_FIELD(field) && wacom->wacom_wac.pen_input)
2658 		wacom_wac_pen_event(hdev, field, usage, value);
2659 	else if (WACOM_FINGER_FIELD(field) && wacom->wacom_wac.touch_input)
2660 		wacom_wac_finger_event(hdev, field, usage, value);
2661 }
2662 
2663 static void wacom_report_events(struct hid_device *hdev,
2664 				struct hid_report *report, int collection_index,
2665 				int field_index)
2666 {
2667 	int r;
2668 
2669 	for (r = field_index; r < report->maxfield; r++) {
2670 		struct hid_field *field;
2671 		unsigned count, n;
2672 
2673 		field = report->field[r];
2674 		count = field->report_count;
2675 
2676 		if (!(HID_MAIN_ITEM_VARIABLE & field->flags))
2677 			continue;
2678 
2679 		for (n = 0 ; n < count; n++) {
2680 			if (field->usage[n].collection_index == collection_index)
2681 				wacom_wac_event(hdev, field, &field->usage[n],
2682 						field->value[n]);
2683 			else
2684 				return;
2685 		}
2686 	}
2687 }
2688 
2689 static void wacom_set_num_expected(struct hid_device *hdev,
2690 				   struct hid_report *report,
2691 				   int collection_index,
2692 				   struct hid_field *field,
2693 				   int field_index)
2694 {
2695 	struct wacom *wacom = hid_get_drvdata(hdev);
2696 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2697 	struct hid_data *hid_data = &wacom_wac->hid_data;
2698 	unsigned int original_collection_level =
2699 		hdev->collection[collection_index].level;
2700 	bool end_collection = false;
2701 	int i;
2702 
2703 	if (hid_data->num_expected)
2704 		return;
2705 
2706 	// find the contact count value for this segment
2707 	for (i = field_index; i < report->maxfield && !end_collection; i++) {
2708 		struct hid_field *field = report->field[i];
2709 		unsigned int field_level =
2710 			hdev->collection[field->usage[0].collection_index].level;
2711 		unsigned int j;
2712 
2713 		if (field_level != original_collection_level)
2714 			continue;
2715 
2716 		for (j = 0; j < field->maxusage; j++) {
2717 			struct hid_usage *usage = &field->usage[j];
2718 
2719 			if (usage->collection_index != collection_index) {
2720 				end_collection = true;
2721 				break;
2722 			}
2723 			if (wacom_equivalent_usage(usage->hid) == HID_DG_CONTACTCOUNT) {
2724 				hid_data->cc_report = report->id;
2725 				hid_data->cc_index = i;
2726 				hid_data->cc_value_index = j;
2727 
2728 				if (hid_data->cc_report != 0 &&
2729 				    hid_data->cc_index >= 0) {
2730 
2731 					struct hid_field *field =
2732 						report->field[hid_data->cc_index];
2733 					int value =
2734 						field->value[hid_data->cc_value_index];
2735 
2736 					if (value)
2737 						hid_data->num_expected = value;
2738 				}
2739 			}
2740 		}
2741 	}
2742 
2743 	if (hid_data->cc_report == 0 || hid_data->cc_index < 0)
2744 		hid_data->num_expected = wacom_wac->features.touch_max;
2745 }
2746 
2747 static int wacom_wac_collection(struct hid_device *hdev, struct hid_report *report,
2748 			 int collection_index, struct hid_field *field,
2749 			 int field_index)
2750 {
2751 	struct wacom *wacom = hid_get_drvdata(hdev);
2752 
2753 	if (WACOM_FINGER_FIELD(field))
2754 		wacom_set_num_expected(hdev, report, collection_index, field,
2755 				       field_index);
2756 	wacom_report_events(hdev, report, collection_index, field_index);
2757 
2758 	/*
2759 	 * Non-input reports may be sent prior to the device being
2760 	 * completely initialized. Since only their events need
2761 	 * to be processed, exit after 'wacom_report_events' has
2762 	 * been called to prevent potential crashes in the report-
2763 	 * processing functions.
2764 	 */
2765 	if (report->type != HID_INPUT_REPORT)
2766 		return -1;
2767 
2768 	if (WACOM_PEN_FIELD(field) && wacom->wacom_wac.pen_input)
2769 		wacom_wac_pen_report(hdev, report);
2770 	else if (WACOM_FINGER_FIELD(field) && wacom->wacom_wac.touch_input)
2771 		wacom_wac_finger_report(hdev, report);
2772 
2773 	return 0;
2774 }
2775 
2776 void wacom_wac_report(struct hid_device *hdev, struct hid_report *report)
2777 {
2778 	struct wacom *wacom = hid_get_drvdata(hdev);
2779 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2780 	struct hid_field *field;
2781 	bool pad_in_hid_field = false, pen_in_hid_field = false,
2782 		finger_in_hid_field = false, true_pad = false;
2783 	int r;
2784 	int prev_collection = -1;
2785 
2786 	if (wacom_wac->features.type != HID_GENERIC)
2787 		return;
2788 
2789 	for (r = 0; r < report->maxfield; r++) {
2790 		field = report->field[r];
2791 
2792 		if (WACOM_PAD_FIELD(field))
2793 			pad_in_hid_field = true;
2794 		if (WACOM_PEN_FIELD(field))
2795 			pen_in_hid_field = true;
2796 		if (WACOM_FINGER_FIELD(field))
2797 			finger_in_hid_field = true;
2798 		if (wacom_equivalent_usage(field->physical) == HID_DG_TABLETFUNCTIONKEY)
2799 			true_pad = true;
2800 	}
2801 
2802 	wacom_wac_battery_pre_report(hdev, report);
2803 
2804 	if (pad_in_hid_field && wacom->wacom_wac.pad_input)
2805 		wacom_wac_pad_pre_report(hdev, report);
2806 	if (pen_in_hid_field && wacom->wacom_wac.pen_input)
2807 		wacom_wac_pen_pre_report(hdev, report);
2808 	if (finger_in_hid_field && wacom->wacom_wac.touch_input)
2809 		wacom_wac_finger_pre_report(hdev, report);
2810 
2811 	for (r = 0; r < report->maxfield; r++) {
2812 		field = report->field[r];
2813 
2814 		if (field->usage[0].collection_index != prev_collection) {
2815 			if (wacom_wac_collection(hdev, report,
2816 				field->usage[0].collection_index, field, r) < 0)
2817 				return;
2818 			prev_collection = field->usage[0].collection_index;
2819 		}
2820 	}
2821 
2822 	wacom_wac_battery_report(hdev, report);
2823 
2824 	if (true_pad && wacom->wacom_wac.pad_input)
2825 		wacom_wac_pad_report(hdev, report, field);
2826 }
2827 
2828 static int wacom_bpt_touch(struct wacom_wac *wacom)
2829 {
2830 	struct wacom_features *features = &wacom->features;
2831 	struct input_dev *input = wacom->touch_input;
2832 	struct input_dev *pad_input = wacom->pad_input;
2833 	unsigned char *data = wacom->data;
2834 	int i;
2835 
2836 	if (data[0] != 0x02)
2837 	    return 0;
2838 
2839 	for (i = 0; i < 2; i++) {
2840 		int offset = (data[1] & 0x80) ? (8 * i) : (9 * i);
2841 		bool touch = report_touch_events(wacom)
2842 			   && (data[offset + 3] & 0x80);
2843 
2844 		input_mt_slot(input, i);
2845 		input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
2846 		if (touch) {
2847 			int x = get_unaligned_be16(&data[offset + 3]) & 0x7ff;
2848 			int y = get_unaligned_be16(&data[offset + 5]) & 0x7ff;
2849 			if (features->quirks & WACOM_QUIRK_BBTOUCH_LOWRES) {
2850 				x <<= 5;
2851 				y <<= 5;
2852 			}
2853 			input_report_abs(input, ABS_MT_POSITION_X, x);
2854 			input_report_abs(input, ABS_MT_POSITION_Y, y);
2855 		}
2856 	}
2857 
2858 	input_mt_sync_frame(input);
2859 
2860 	input_report_key(pad_input, BTN_LEFT, (data[1] & 0x08) != 0);
2861 	input_report_key(pad_input, BTN_FORWARD, (data[1] & 0x04) != 0);
2862 	input_report_key(pad_input, BTN_BACK, (data[1] & 0x02) != 0);
2863 	input_report_key(pad_input, BTN_RIGHT, (data[1] & 0x01) != 0);
2864 	wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
2865 
2866 	return 1;
2867 }
2868 
2869 static void wacom_bpt3_touch_msg(struct wacom_wac *wacom, unsigned char *data)
2870 {
2871 	struct wacom_features *features = &wacom->features;
2872 	struct input_dev *input = wacom->touch_input;
2873 	bool touch = data[1] & 0x80;
2874 	int slot = input_mt_get_slot_by_key(input, data[0]);
2875 
2876 	if (slot < 0)
2877 		return;
2878 
2879 	touch = touch && report_touch_events(wacom);
2880 
2881 	input_mt_slot(input, slot);
2882 	input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
2883 
2884 	if (touch) {
2885 		int x = (data[2] << 4) | (data[4] >> 4);
2886 		int y = (data[3] << 4) | (data[4] & 0x0f);
2887 		int width, height;
2888 
2889 		if (features->type >= INTUOSPS && features->type <= INTUOSHT2) {
2890 			width  = data[5] * 100;
2891 			height = data[6] * 100;
2892 		} else {
2893 			/*
2894 			 * "a" is a scaled-down area which we assume is
2895 			 * roughly circular and which can be described as:
2896 			 * a=(pi*r^2)/C.
2897 			 */
2898 			int a = data[5];
2899 			int x_res = input_abs_get_res(input, ABS_MT_POSITION_X);
2900 			int y_res = input_abs_get_res(input, ABS_MT_POSITION_Y);
2901 			width = 2 * int_sqrt(a * WACOM_CONTACT_AREA_SCALE);
2902 			height = width * y_res / x_res;
2903 		}
2904 
2905 		input_report_abs(input, ABS_MT_POSITION_X, x);
2906 		input_report_abs(input, ABS_MT_POSITION_Y, y);
2907 		input_report_abs(input, ABS_MT_TOUCH_MAJOR, width);
2908 		input_report_abs(input, ABS_MT_TOUCH_MINOR, height);
2909 	}
2910 }
2911 
2912 static void wacom_bpt3_button_msg(struct wacom_wac *wacom, unsigned char *data)
2913 {
2914 	struct input_dev *input = wacom->pad_input;
2915 	struct wacom_features *features = &wacom->features;
2916 
2917 	if (features->type == INTUOSHT || features->type == INTUOSHT2) {
2918 		input_report_key(input, BTN_LEFT, (data[1] & 0x02) != 0);
2919 		input_report_key(input, BTN_BACK, (data[1] & 0x08) != 0);
2920 	} else {
2921 		input_report_key(input, BTN_BACK, (data[1] & 0x02) != 0);
2922 		input_report_key(input, BTN_LEFT, (data[1] & 0x08) != 0);
2923 	}
2924 	input_report_key(input, BTN_FORWARD, (data[1] & 0x04) != 0);
2925 	input_report_key(input, BTN_RIGHT, (data[1] & 0x01) != 0);
2926 }
2927 
2928 static int wacom_bpt3_touch(struct wacom_wac *wacom)
2929 {
2930 	unsigned char *data = wacom->data;
2931 	int count = data[1] & 0x07;
2932 	int  touch_changed = 0, i;
2933 
2934 	if (data[0] != 0x02)
2935 	    return 0;
2936 
2937 	/* data has up to 7 fixed sized 8-byte messages starting at data[2] */
2938 	for (i = 0; i < count; i++) {
2939 		int offset = (8 * i) + 2;
2940 		int msg_id = data[offset];
2941 
2942 		if (msg_id >= 2 && msg_id <= 17) {
2943 			wacom_bpt3_touch_msg(wacom, data + offset);
2944 			touch_changed++;
2945 		} else if (msg_id == 128)
2946 			wacom_bpt3_button_msg(wacom, data + offset);
2947 
2948 	}
2949 
2950 	/* only update touch if we actually have a touchpad and touch data changed */
2951 	if (wacom->touch_input && touch_changed) {
2952 		input_mt_sync_frame(wacom->touch_input);
2953 		wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
2954 	}
2955 
2956 	return 1;
2957 }
2958 
2959 static int wacom_bpt_pen(struct wacom_wac *wacom)
2960 {
2961 	struct wacom_features *features = &wacom->features;
2962 	struct input_dev *input = wacom->pen_input;
2963 	unsigned char *data = wacom->data;
2964 	int x = 0, y = 0, p = 0, d = 0;
2965 	bool pen = false, btn1 = false, btn2 = false;
2966 	bool range, prox, rdy;
2967 
2968 	if (data[0] != WACOM_REPORT_PENABLED)
2969 	    return 0;
2970 
2971 	range = (data[1] & 0x80) == 0x80;
2972 	prox = (data[1] & 0x40) == 0x40;
2973 	rdy = (data[1] & 0x20) == 0x20;
2974 
2975 	wacom->shared->stylus_in_proximity = range;
2976 	if (delay_pen_events(wacom))
2977 		return 0;
2978 
2979 	if (rdy) {
2980 		p = le16_to_cpup((__le16 *)&data[6]);
2981 		pen = data[1] & 0x01;
2982 		btn1 = data[1] & 0x02;
2983 		btn2 = data[1] & 0x04;
2984 	}
2985 	if (prox) {
2986 		x = le16_to_cpup((__le16 *)&data[2]);
2987 		y = le16_to_cpup((__le16 *)&data[4]);
2988 
2989 		if (data[1] & 0x08) {
2990 			wacom->tool[0] = BTN_TOOL_RUBBER;
2991 			wacom->id[0] = ERASER_DEVICE_ID;
2992 		} else {
2993 			wacom->tool[0] = BTN_TOOL_PEN;
2994 			wacom->id[0] = STYLUS_DEVICE_ID;
2995 		}
2996 		wacom->reporting_data = true;
2997 	}
2998 	if (range) {
2999 		/*
3000 		 * Convert distance from out prox to distance from tablet.
3001 		 * distance will be greater than distance_max once
3002 		 * touching and applying pressure; do not report negative
3003 		 * distance.
3004 		 */
3005 		if (data[8] <= features->distance_max)
3006 			d = features->distance_max - data[8];
3007 	} else {
3008 		wacom->id[0] = 0;
3009 	}
3010 
3011 	if (wacom->reporting_data) {
3012 		input_report_key(input, BTN_TOUCH, pen);
3013 		input_report_key(input, BTN_STYLUS, btn1);
3014 		input_report_key(input, BTN_STYLUS2, btn2);
3015 
3016 		if (prox || !range) {
3017 			input_report_abs(input, ABS_X, x);
3018 			input_report_abs(input, ABS_Y, y);
3019 		}
3020 		input_report_abs(input, ABS_PRESSURE, p);
3021 		input_report_abs(input, ABS_DISTANCE, d);
3022 
3023 		input_report_key(input, wacom->tool[0], range); /* PEN or RUBBER */
3024 		input_report_abs(input, ABS_MISC, wacom->id[0]); /* TOOL ID */
3025 	}
3026 
3027 	if (!range) {
3028 		wacom->reporting_data = false;
3029 	}
3030 
3031 	return 1;
3032 }
3033 
3034 static int wacom_bpt_irq(struct wacom_wac *wacom, size_t len)
3035 {
3036 	struct wacom_features *features = &wacom->features;
3037 
3038 	if ((features->type == INTUOSHT2) &&
3039 	    (features->device_type & WACOM_DEVICETYPE_PEN))
3040 		return wacom_intuos_irq(wacom);
3041 	else if (len == WACOM_PKGLEN_BBTOUCH)
3042 		return wacom_bpt_touch(wacom);
3043 	else if (len == WACOM_PKGLEN_BBTOUCH3)
3044 		return wacom_bpt3_touch(wacom);
3045 	else if (len == WACOM_PKGLEN_BBFUN || len == WACOM_PKGLEN_BBPEN)
3046 		return wacom_bpt_pen(wacom);
3047 
3048 	return 0;
3049 }
3050 
3051 static void wacom_bamboo_pad_pen_event(struct wacom_wac *wacom,
3052 		unsigned char *data)
3053 {
3054 	unsigned char prefix;
3055 
3056 	/*
3057 	 * We need to reroute the event from the debug interface to the
3058 	 * pen interface.
3059 	 * We need to add the report ID to the actual pen report, so we
3060 	 * temporary overwrite the first byte to prevent having to kzalloc/kfree
3061 	 * and memcpy the report.
3062 	 */
3063 	prefix = data[0];
3064 	data[0] = WACOM_REPORT_BPAD_PEN;
3065 
3066 	/*
3067 	 * actually reroute the event.
3068 	 * No need to check if wacom->shared->pen is valid, hid_input_report()
3069 	 * will check for us.
3070 	 */
3071 	hid_input_report(wacom->shared->pen, HID_INPUT_REPORT, data,
3072 			 WACOM_PKGLEN_PENABLED, 1);
3073 
3074 	data[0] = prefix;
3075 }
3076 
3077 static int wacom_bamboo_pad_touch_event(struct wacom_wac *wacom,
3078 		unsigned char *data)
3079 {
3080 	struct input_dev *input = wacom->touch_input;
3081 	unsigned char *finger_data, prefix;
3082 	unsigned id;
3083 	int x, y;
3084 	bool valid;
3085 
3086 	prefix = data[0];
3087 
3088 	for (id = 0; id < wacom->features.touch_max; id++) {
3089 		valid = !!(prefix & BIT(id)) &&
3090 			report_touch_events(wacom);
3091 
3092 		input_mt_slot(input, id);
3093 		input_mt_report_slot_state(input, MT_TOOL_FINGER, valid);
3094 
3095 		if (!valid)
3096 			continue;
3097 
3098 		finger_data = data + 1 + id * 3;
3099 		x = finger_data[0] | ((finger_data[1] & 0x0f) << 8);
3100 		y = (finger_data[2] << 4) | (finger_data[1] >> 4);
3101 
3102 		input_report_abs(input, ABS_MT_POSITION_X, x);
3103 		input_report_abs(input, ABS_MT_POSITION_Y, y);
3104 	}
3105 
3106 	input_mt_sync_frame(input);
3107 
3108 	input_report_key(input, BTN_LEFT, prefix & 0x40);
3109 	input_report_key(input, BTN_RIGHT, prefix & 0x80);
3110 
3111 	/* keep touch state for pen event */
3112 	wacom->shared->touch_down = !!prefix && report_touch_events(wacom);
3113 
3114 	return 1;
3115 }
3116 
3117 static int wacom_bamboo_pad_irq(struct wacom_wac *wacom, size_t len)
3118 {
3119 	unsigned char *data = wacom->data;
3120 
3121 	if (!((len == WACOM_PKGLEN_BPAD_TOUCH) ||
3122 	      (len == WACOM_PKGLEN_BPAD_TOUCH_USB)) ||
3123 	    (data[0] != WACOM_REPORT_BPAD_TOUCH))
3124 		return 0;
3125 
3126 	if (data[1] & 0x01)
3127 		wacom_bamboo_pad_pen_event(wacom, &data[1]);
3128 
3129 	if (data[1] & 0x02)
3130 		return wacom_bamboo_pad_touch_event(wacom, &data[9]);
3131 
3132 	return 0;
3133 }
3134 
3135 static int wacom_wireless_irq(struct wacom_wac *wacom, size_t len)
3136 {
3137 	unsigned char *data = wacom->data;
3138 	int connected;
3139 
3140 	if (len != WACOM_PKGLEN_WIRELESS || data[0] != WACOM_REPORT_WL)
3141 		return 0;
3142 
3143 	connected = data[1] & 0x01;
3144 	if (connected) {
3145 		int pid, battery, charging;
3146 
3147 		if ((wacom->shared->type == INTUOSHT ||
3148 		    wacom->shared->type == INTUOSHT2) &&
3149 		    wacom->shared->touch_input &&
3150 		    wacom->shared->touch_max) {
3151 			input_report_switch(wacom->shared->touch_input,
3152 					SW_MUTE_DEVICE, data[5] & 0x40);
3153 			input_sync(wacom->shared->touch_input);
3154 		}
3155 
3156 		pid = get_unaligned_be16(&data[6]);
3157 		battery = (data[5] & 0x3f) * 100 / 31;
3158 		charging = !!(data[5] & 0x80);
3159 		if (wacom->pid != pid) {
3160 			wacom->pid = pid;
3161 			wacom_schedule_work(wacom, WACOM_WORKER_WIRELESS);
3162 		}
3163 
3164 		wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
3165 				     battery, charging, 1, 0);
3166 
3167 	} else if (wacom->pid != 0) {
3168 		/* disconnected while previously connected */
3169 		wacom->pid = 0;
3170 		wacom_schedule_work(wacom, WACOM_WORKER_WIRELESS);
3171 		wacom_notify_battery(wacom, POWER_SUPPLY_STATUS_UNKNOWN, 0, 0, 0, 0);
3172 	}
3173 
3174 	return 0;
3175 }
3176 
3177 static int wacom_status_irq(struct wacom_wac *wacom_wac, size_t len)
3178 {
3179 	struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
3180 	struct wacom_features *features = &wacom_wac->features;
3181 	unsigned char *data = wacom_wac->data;
3182 
3183 	if (data[0] != WACOM_REPORT_USB)
3184 		return 0;
3185 
3186 	if ((features->type == INTUOSHT ||
3187 	    features->type == INTUOSHT2) &&
3188 	    wacom_wac->shared->touch_input &&
3189 	    features->touch_max) {
3190 		input_report_switch(wacom_wac->shared->touch_input,
3191 				    SW_MUTE_DEVICE, data[8] & 0x40);
3192 		input_sync(wacom_wac->shared->touch_input);
3193 	}
3194 
3195 	if (data[9] & 0x02) { /* wireless module is attached */
3196 		int battery = (data[8] & 0x3f) * 100 / 31;
3197 		bool charging = !!(data[8] & 0x80);
3198 
3199 		wacom_notify_battery(wacom_wac, WACOM_POWER_SUPPLY_STATUS_AUTO,
3200 				     battery, charging, battery || charging, 1);
3201 
3202 		if (!wacom->battery.battery &&
3203 		    !(features->quirks & WACOM_QUIRK_BATTERY)) {
3204 			features->quirks |= WACOM_QUIRK_BATTERY;
3205 			wacom_schedule_work(wacom_wac, WACOM_WORKER_BATTERY);
3206 		}
3207 	}
3208 	else if ((features->quirks & WACOM_QUIRK_BATTERY) &&
3209 		 wacom->battery.battery) {
3210 		features->quirks &= ~WACOM_QUIRK_BATTERY;
3211 		wacom_schedule_work(wacom_wac, WACOM_WORKER_BATTERY);
3212 		wacom_notify_battery(wacom_wac, POWER_SUPPLY_STATUS_UNKNOWN, 0, 0, 0, 0);
3213 	}
3214 	return 0;
3215 }
3216 
3217 void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len)
3218 {
3219 	bool sync;
3220 
3221 	switch (wacom_wac->features.type) {
3222 	case PENPARTNER:
3223 		sync = wacom_penpartner_irq(wacom_wac);
3224 		break;
3225 
3226 	case PL:
3227 		sync = wacom_pl_irq(wacom_wac);
3228 		break;
3229 
3230 	case WACOM_G4:
3231 	case GRAPHIRE:
3232 	case GRAPHIRE_BT:
3233 	case WACOM_MO:
3234 		sync = wacom_graphire_irq(wacom_wac);
3235 		break;
3236 
3237 	case PTU:
3238 		sync = wacom_ptu_irq(wacom_wac);
3239 		break;
3240 
3241 	case DTU:
3242 		sync = wacom_dtu_irq(wacom_wac);
3243 		break;
3244 
3245 	case DTUS:
3246 	case DTUSX:
3247 		sync = wacom_dtus_irq(wacom_wac);
3248 		break;
3249 
3250 	case INTUOS:
3251 	case INTUOS3S:
3252 	case INTUOS3:
3253 	case INTUOS3L:
3254 	case INTUOS4S:
3255 	case INTUOS4:
3256 	case INTUOS4L:
3257 	case CINTIQ:
3258 	case WACOM_BEE:
3259 	case WACOM_13HD:
3260 	case WACOM_21UX2:
3261 	case WACOM_22HD:
3262 	case WACOM_24HD:
3263 	case WACOM_27QHD:
3264 	case DTK:
3265 	case CINTIQ_HYBRID:
3266 	case CINTIQ_COMPANION_2:
3267 		sync = wacom_intuos_irq(wacom_wac);
3268 		break;
3269 
3270 	case INTUOS4WL:
3271 		sync = wacom_intuos_bt_irq(wacom_wac, len);
3272 		break;
3273 
3274 	case WACOM_24HDT:
3275 	case WACOM_27QHDT:
3276 		sync = wacom_24hdt_irq(wacom_wac);
3277 		break;
3278 
3279 	case INTUOS5S:
3280 	case INTUOS5:
3281 	case INTUOS5L:
3282 	case INTUOSPS:
3283 	case INTUOSPM:
3284 	case INTUOSPL:
3285 		if (len == WACOM_PKGLEN_BBTOUCH3)
3286 			sync = wacom_bpt3_touch(wacom_wac);
3287 		else if (wacom_wac->data[0] == WACOM_REPORT_USB)
3288 			sync = wacom_status_irq(wacom_wac, len);
3289 		else
3290 			sync = wacom_intuos_irq(wacom_wac);
3291 		break;
3292 
3293 	case INTUOSP2_BT:
3294 	case INTUOSP2S_BT:
3295 	case INTUOSHT3_BT:
3296 		sync = wacom_intuos_pro2_bt_irq(wacom_wac, len);
3297 		break;
3298 
3299 	case TABLETPC:
3300 	case TABLETPCE:
3301 	case TABLETPC2FG:
3302 	case MTSCREEN:
3303 	case MTTPC:
3304 	case MTTPC_B:
3305 		sync = wacom_tpc_irq(wacom_wac, len);
3306 		break;
3307 
3308 	case BAMBOO_PT:
3309 	case BAMBOO_PEN:
3310 	case BAMBOO_TOUCH:
3311 	case INTUOSHT:
3312 	case INTUOSHT2:
3313 		if (wacom_wac->data[0] == WACOM_REPORT_USB)
3314 			sync = wacom_status_irq(wacom_wac, len);
3315 		else
3316 			sync = wacom_bpt_irq(wacom_wac, len);
3317 		break;
3318 
3319 	case BAMBOO_PAD:
3320 		sync = wacom_bamboo_pad_irq(wacom_wac, len);
3321 		break;
3322 
3323 	case WIRELESS:
3324 		sync = wacom_wireless_irq(wacom_wac, len);
3325 		break;
3326 
3327 	case REMOTE:
3328 		sync = false;
3329 		if (wacom_wac->data[0] == WACOM_REPORT_DEVICE_LIST)
3330 			wacom_remote_status_irq(wacom_wac, len);
3331 		else
3332 			sync = wacom_remote_irq(wacom_wac, len);
3333 		break;
3334 
3335 	default:
3336 		sync = false;
3337 		break;
3338 	}
3339 
3340 	if (sync) {
3341 		if (wacom_wac->pen_input)
3342 			input_sync(wacom_wac->pen_input);
3343 		if (wacom_wac->touch_input)
3344 			input_sync(wacom_wac->touch_input);
3345 		if (wacom_wac->pad_input)
3346 			input_sync(wacom_wac->pad_input);
3347 	}
3348 }
3349 
3350 static void wacom_setup_basic_pro_pen(struct wacom_wac *wacom_wac)
3351 {
3352 	struct input_dev *input_dev = wacom_wac->pen_input;
3353 
3354 	input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
3355 
3356 	__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3357 	__set_bit(BTN_STYLUS, input_dev->keybit);
3358 	__set_bit(BTN_STYLUS2, input_dev->keybit);
3359 
3360 	input_set_abs_params(input_dev, ABS_DISTANCE,
3361 			     0, wacom_wac->features.distance_max, wacom_wac->features.distance_fuzz, 0);
3362 }
3363 
3364 static void wacom_setup_cintiq(struct wacom_wac *wacom_wac)
3365 {
3366 	struct input_dev *input_dev = wacom_wac->pen_input;
3367 	struct wacom_features *features = &wacom_wac->features;
3368 
3369 	wacom_setup_basic_pro_pen(wacom_wac);
3370 
3371 	__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3372 	__set_bit(BTN_TOOL_BRUSH, input_dev->keybit);
3373 	__set_bit(BTN_TOOL_PENCIL, input_dev->keybit);
3374 	__set_bit(BTN_TOOL_AIRBRUSH, input_dev->keybit);
3375 
3376 	input_set_abs_params(input_dev, ABS_WHEEL, 0, 1023, 0, 0);
3377 	input_set_abs_params(input_dev, ABS_TILT_X, -64, 63, features->tilt_fuzz, 0);
3378 	input_abs_set_res(input_dev, ABS_TILT_X, 57);
3379 	input_set_abs_params(input_dev, ABS_TILT_Y, -64, 63, features->tilt_fuzz, 0);
3380 	input_abs_set_res(input_dev, ABS_TILT_Y, 57);
3381 }
3382 
3383 static void wacom_setup_intuos(struct wacom_wac *wacom_wac)
3384 {
3385 	struct input_dev *input_dev = wacom_wac->pen_input;
3386 
3387 	input_set_capability(input_dev, EV_REL, REL_WHEEL);
3388 
3389 	wacom_setup_cintiq(wacom_wac);
3390 
3391 	__set_bit(BTN_LEFT, input_dev->keybit);
3392 	__set_bit(BTN_RIGHT, input_dev->keybit);
3393 	__set_bit(BTN_MIDDLE, input_dev->keybit);
3394 	__set_bit(BTN_SIDE, input_dev->keybit);
3395 	__set_bit(BTN_EXTRA, input_dev->keybit);
3396 	__set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
3397 	__set_bit(BTN_TOOL_LENS, input_dev->keybit);
3398 
3399 	input_set_abs_params(input_dev, ABS_RZ, -900, 899, 0, 0);
3400 	input_abs_set_res(input_dev, ABS_RZ, 287);
3401 	input_set_abs_params(input_dev, ABS_THROTTLE, -1023, 1023, 0, 0);
3402 }
3403 
3404 void wacom_setup_device_quirks(struct wacom *wacom)
3405 {
3406 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
3407 	struct wacom_features *features = &wacom->wacom_wac.features;
3408 
3409 	/* The pen and pad share the same interface on most devices */
3410 	if (features->type == GRAPHIRE_BT || features->type == WACOM_G4 ||
3411 	    features->type == DTUS ||
3412 	    (features->type >= INTUOS3S && features->type <= WACOM_MO)) {
3413 		if (features->device_type & WACOM_DEVICETYPE_PEN)
3414 			features->device_type |= WACOM_DEVICETYPE_PAD;
3415 	}
3416 
3417 	/* touch device found but size is not defined. use default */
3418 	if (features->device_type & WACOM_DEVICETYPE_TOUCH && !features->x_max) {
3419 		features->x_max = 1023;
3420 		features->y_max = 1023;
3421 	}
3422 
3423 	/*
3424 	 * Intuos5/Pro and Bamboo 3rd gen have no useful data about its
3425 	 * touch interface in its HID descriptor. If this is the touch
3426 	 * interface (PacketSize of WACOM_PKGLEN_BBTOUCH3), override the
3427 	 * tablet values.
3428 	 */
3429 	if ((features->type >= INTUOS5S && features->type <= INTUOSPL) ||
3430 		(features->type >= INTUOSHT && features->type <= BAMBOO_PT)) {
3431 		if (features->pktlen == WACOM_PKGLEN_BBTOUCH3) {
3432 			if (features->touch_max)
3433 				features->device_type |= WACOM_DEVICETYPE_TOUCH;
3434 			if (features->type >= INTUOSHT && features->type <= BAMBOO_PT)
3435 				features->device_type |= WACOM_DEVICETYPE_PAD;
3436 
3437 			if (features->type == INTUOSHT2) {
3438 				features->x_max = features->x_max / 10;
3439 				features->y_max = features->y_max / 10;
3440 			}
3441 			else {
3442 				features->x_max = 4096;
3443 				features->y_max = 4096;
3444 			}
3445 		}
3446 		else if (features->pktlen == WACOM_PKGLEN_BBTOUCH) {
3447 			features->device_type |= WACOM_DEVICETYPE_PAD;
3448 		}
3449 	}
3450 
3451 	/*
3452 	 * Hack for the Bamboo One:
3453 	 * the device presents a PAD/Touch interface as most Bamboos and even
3454 	 * sends ghosts PAD data on it. However, later, we must disable this
3455 	 * ghost interface, and we can not detect it unless we set it here
3456 	 * to WACOM_DEVICETYPE_PAD or WACOM_DEVICETYPE_TOUCH.
3457 	 */
3458 	if (features->type == BAMBOO_PEN &&
3459 	    features->pktlen == WACOM_PKGLEN_BBTOUCH3)
3460 		features->device_type |= WACOM_DEVICETYPE_PAD;
3461 
3462 	/*
3463 	 * Raw Wacom-mode pen and touch events both come from interface
3464 	 * 0, whose HID descriptor has an application usage of 0xFF0D
3465 	 * (i.e., WACOM_HID_WD_DIGITIZER). We route pen packets back
3466 	 * out through the HID_GENERIC device created for interface 1,
3467 	 * so rewrite this one to be of type WACOM_DEVICETYPE_TOUCH.
3468 	 */
3469 	if (features->type == BAMBOO_PAD)
3470 		features->device_type = WACOM_DEVICETYPE_TOUCH;
3471 
3472 	if (features->type == REMOTE)
3473 		features->device_type = WACOM_DEVICETYPE_PAD;
3474 
3475 	if (features->type == INTUOSP2_BT ||
3476 	    features->type == INTUOSP2S_BT) {
3477 		features->device_type |= WACOM_DEVICETYPE_PEN |
3478 					 WACOM_DEVICETYPE_PAD |
3479 					 WACOM_DEVICETYPE_TOUCH;
3480 		features->quirks |= WACOM_QUIRK_BATTERY;
3481 	}
3482 
3483 	if (features->type == INTUOSHT3_BT) {
3484 		features->device_type |= WACOM_DEVICETYPE_PEN |
3485 					 WACOM_DEVICETYPE_PAD;
3486 		features->quirks |= WACOM_QUIRK_BATTERY;
3487 	}
3488 
3489 	switch (features->type) {
3490 	case PL:
3491 	case DTU:
3492 	case DTUS:
3493 	case DTUSX:
3494 	case WACOM_21UX2:
3495 	case WACOM_22HD:
3496 	case DTK:
3497 	case WACOM_24HD:
3498 	case WACOM_27QHD:
3499 	case CINTIQ_HYBRID:
3500 	case CINTIQ_COMPANION_2:
3501 	case CINTIQ:
3502 	case WACOM_BEE:
3503 	case WACOM_13HD:
3504 	case WACOM_24HDT:
3505 	case WACOM_27QHDT:
3506 	case TABLETPC:
3507 	case TABLETPCE:
3508 	case TABLETPC2FG:
3509 	case MTSCREEN:
3510 	case MTTPC:
3511 	case MTTPC_B:
3512 		features->device_type |= WACOM_DEVICETYPE_DIRECT;
3513 		break;
3514 	}
3515 
3516 	if (wacom->hdev->bus == BUS_BLUETOOTH)
3517 		features->quirks |= WACOM_QUIRK_BATTERY;
3518 
3519 	/* quirk for bamboo touch with 2 low res touches */
3520 	if ((features->type == BAMBOO_PT || features->type == BAMBOO_TOUCH) &&
3521 	    features->pktlen == WACOM_PKGLEN_BBTOUCH) {
3522 		features->x_max <<= 5;
3523 		features->y_max <<= 5;
3524 		features->x_fuzz <<= 5;
3525 		features->y_fuzz <<= 5;
3526 		features->quirks |= WACOM_QUIRK_BBTOUCH_LOWRES;
3527 	}
3528 
3529 	if (features->type == WIRELESS) {
3530 		if (features->device_type == WACOM_DEVICETYPE_WL_MONITOR) {
3531 			features->quirks |= WACOM_QUIRK_BATTERY;
3532 		}
3533 	}
3534 
3535 	if (features->type == REMOTE)
3536 		features->device_type |= WACOM_DEVICETYPE_WL_MONITOR;
3537 
3538 	/* HID descriptor for DTK-2451 / DTH-2452 claims to report lots
3539 	 * of things it shouldn't. Lets fix up the damage...
3540 	 */
3541 	if (wacom->hdev->product == 0x382 || wacom->hdev->product == 0x37d) {
3542 		features->quirks &= ~WACOM_QUIRK_TOOLSERIAL;
3543 		__clear_bit(BTN_TOOL_BRUSH, wacom_wac->pen_input->keybit);
3544 		__clear_bit(BTN_TOOL_PENCIL, wacom_wac->pen_input->keybit);
3545 		__clear_bit(BTN_TOOL_AIRBRUSH, wacom_wac->pen_input->keybit);
3546 		__clear_bit(ABS_Z, wacom_wac->pen_input->absbit);
3547 		__clear_bit(ABS_DISTANCE, wacom_wac->pen_input->absbit);
3548 		__clear_bit(ABS_TILT_X, wacom_wac->pen_input->absbit);
3549 		__clear_bit(ABS_TILT_Y, wacom_wac->pen_input->absbit);
3550 		__clear_bit(ABS_WHEEL, wacom_wac->pen_input->absbit);
3551 		__clear_bit(ABS_MISC, wacom_wac->pen_input->absbit);
3552 		__clear_bit(MSC_SERIAL, wacom_wac->pen_input->mscbit);
3553 		__clear_bit(EV_MSC, wacom_wac->pen_input->evbit);
3554 	}
3555 }
3556 
3557 int wacom_setup_pen_input_capabilities(struct input_dev *input_dev,
3558 				   struct wacom_wac *wacom_wac)
3559 {
3560 	struct wacom_features *features = &wacom_wac->features;
3561 
3562 	input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
3563 
3564 	if (!(features->device_type & WACOM_DEVICETYPE_PEN))
3565 		return -ENODEV;
3566 
3567 	if (features->device_type & WACOM_DEVICETYPE_DIRECT)
3568 		__set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
3569 	else
3570 		__set_bit(INPUT_PROP_POINTER, input_dev->propbit);
3571 
3572 	if (features->type == HID_GENERIC) {
3573 		/* setup has already been done; apply otherwise-undetectible quirks */
3574 		input_set_capability(input_dev, EV_KEY, BTN_STYLUS3);
3575 		return 0;
3576 	}
3577 
3578 	__set_bit(BTN_TOUCH, input_dev->keybit);
3579 	__set_bit(ABS_MISC, input_dev->absbit);
3580 
3581 	input_set_abs_params(input_dev, ABS_X, 0 + features->offset_left,
3582 			     features->x_max - features->offset_right,
3583 			     features->x_fuzz, 0);
3584 	input_set_abs_params(input_dev, ABS_Y, 0 + features->offset_top,
3585 			     features->y_max - features->offset_bottom,
3586 			     features->y_fuzz, 0);
3587 	input_set_abs_params(input_dev, ABS_PRESSURE, 0,
3588 		features->pressure_max, features->pressure_fuzz, 0);
3589 
3590 	/* penabled devices have fixed resolution for each model */
3591 	input_abs_set_res(input_dev, ABS_X, features->x_resolution);
3592 	input_abs_set_res(input_dev, ABS_Y, features->y_resolution);
3593 
3594 	switch (features->type) {
3595 	case GRAPHIRE_BT:
3596 		__clear_bit(ABS_MISC, input_dev->absbit);
3597 		/* fall through */
3598 
3599 	case WACOM_MO:
3600 	case WACOM_G4:
3601 		input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3602 					      features->distance_max,
3603 					      features->distance_fuzz, 0);
3604 		/* fall through */
3605 
3606 	case GRAPHIRE:
3607 		input_set_capability(input_dev, EV_REL, REL_WHEEL);
3608 
3609 		__set_bit(BTN_LEFT, input_dev->keybit);
3610 		__set_bit(BTN_RIGHT, input_dev->keybit);
3611 		__set_bit(BTN_MIDDLE, input_dev->keybit);
3612 
3613 		__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3614 		__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3615 		__set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
3616 		__set_bit(BTN_STYLUS, input_dev->keybit);
3617 		__set_bit(BTN_STYLUS2, input_dev->keybit);
3618 		break;
3619 
3620 	case WACOM_27QHD:
3621 	case WACOM_24HD:
3622 	case DTK:
3623 	case WACOM_22HD:
3624 	case WACOM_21UX2:
3625 	case WACOM_BEE:
3626 	case CINTIQ:
3627 	case WACOM_13HD:
3628 	case CINTIQ_HYBRID:
3629 	case CINTIQ_COMPANION_2:
3630 		input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3631 		input_abs_set_res(input_dev, ABS_Z, 287);
3632 		wacom_setup_cintiq(wacom_wac);
3633 		break;
3634 
3635 	case INTUOS3:
3636 	case INTUOS3L:
3637 	case INTUOS3S:
3638 	case INTUOS4:
3639 	case INTUOS4WL:
3640 	case INTUOS4L:
3641 	case INTUOS4S:
3642 		input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3643 		input_abs_set_res(input_dev, ABS_Z, 287);
3644 		/* fall through */
3645 
3646 	case INTUOS:
3647 		wacom_setup_intuos(wacom_wac);
3648 		break;
3649 
3650 	case INTUOS5:
3651 	case INTUOS5L:
3652 	case INTUOSPM:
3653 	case INTUOSPL:
3654 	case INTUOS5S:
3655 	case INTUOSPS:
3656 	case INTUOSP2_BT:
3657 	case INTUOSP2S_BT:
3658 		input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3659 				      features->distance_max,
3660 				      features->distance_fuzz, 0);
3661 
3662 		input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3663 		input_abs_set_res(input_dev, ABS_Z, 287);
3664 
3665 		wacom_setup_intuos(wacom_wac);
3666 		break;
3667 
3668 	case WACOM_24HDT:
3669 	case WACOM_27QHDT:
3670 	case MTSCREEN:
3671 	case MTTPC:
3672 	case MTTPC_B:
3673 	case TABLETPC2FG:
3674 	case TABLETPC:
3675 	case TABLETPCE:
3676 		__clear_bit(ABS_MISC, input_dev->absbit);
3677 		/* fall through */
3678 
3679 	case DTUS:
3680 	case DTUSX:
3681 	case PL:
3682 	case DTU:
3683 		__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3684 		__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3685 		__set_bit(BTN_STYLUS, input_dev->keybit);
3686 		__set_bit(BTN_STYLUS2, input_dev->keybit);
3687 		break;
3688 
3689 	case PTU:
3690 		__set_bit(BTN_STYLUS2, input_dev->keybit);
3691 		/* fall through */
3692 
3693 	case PENPARTNER:
3694 		__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3695 		__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3696 		__set_bit(BTN_STYLUS, input_dev->keybit);
3697 		break;
3698 
3699 	case INTUOSHT:
3700 	case BAMBOO_PT:
3701 	case BAMBOO_PEN:
3702 	case INTUOSHT2:
3703 	case INTUOSHT3_BT:
3704 		if (features->type == INTUOSHT2 ||
3705 		    features->type == INTUOSHT3_BT) {
3706 			wacom_setup_basic_pro_pen(wacom_wac);
3707 		} else {
3708 			__clear_bit(ABS_MISC, input_dev->absbit);
3709 			__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3710 			__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3711 			__set_bit(BTN_STYLUS, input_dev->keybit);
3712 			__set_bit(BTN_STYLUS2, input_dev->keybit);
3713 			input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3714 				      features->distance_max,
3715 				      features->distance_fuzz, 0);
3716 		}
3717 		break;
3718 	case BAMBOO_PAD:
3719 		__clear_bit(ABS_MISC, input_dev->absbit);
3720 		break;
3721 	}
3722 	return 0;
3723 }
3724 
3725 int wacom_setup_touch_input_capabilities(struct input_dev *input_dev,
3726 					 struct wacom_wac *wacom_wac)
3727 {
3728 	struct wacom_features *features = &wacom_wac->features;
3729 
3730 	input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
3731 
3732 	if (!(features->device_type & WACOM_DEVICETYPE_TOUCH))
3733 		return -ENODEV;
3734 
3735 	if (features->device_type & WACOM_DEVICETYPE_DIRECT)
3736 		__set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
3737 	else
3738 		__set_bit(INPUT_PROP_POINTER, input_dev->propbit);
3739 
3740 	if (features->type == HID_GENERIC)
3741 		/* setup has already been done */
3742 		return 0;
3743 
3744 	__set_bit(BTN_TOUCH, input_dev->keybit);
3745 
3746 	if (features->touch_max == 1) {
3747 		input_set_abs_params(input_dev, ABS_X, 0,
3748 			features->x_max, features->x_fuzz, 0);
3749 		input_set_abs_params(input_dev, ABS_Y, 0,
3750 			features->y_max, features->y_fuzz, 0);
3751 		input_abs_set_res(input_dev, ABS_X,
3752 				  features->x_resolution);
3753 		input_abs_set_res(input_dev, ABS_Y,
3754 				  features->y_resolution);
3755 	}
3756 	else if (features->touch_max > 1) {
3757 		input_set_abs_params(input_dev, ABS_MT_POSITION_X, 0,
3758 			features->x_max, features->x_fuzz, 0);
3759 		input_set_abs_params(input_dev, ABS_MT_POSITION_Y, 0,
3760 			features->y_max, features->y_fuzz, 0);
3761 		input_abs_set_res(input_dev, ABS_MT_POSITION_X,
3762 				  features->x_resolution);
3763 		input_abs_set_res(input_dev, ABS_MT_POSITION_Y,
3764 				  features->y_resolution);
3765 	}
3766 
3767 	switch (features->type) {
3768 	case INTUOSP2_BT:
3769 	case INTUOSP2S_BT:
3770 		input_dev->evbit[0] |= BIT_MASK(EV_SW);
3771 		__set_bit(SW_MUTE_DEVICE, input_dev->swbit);
3772 
3773 		if (wacom_wac->shared->touch->product == 0x361) {
3774 			input_set_abs_params(input_dev, ABS_MT_POSITION_X,
3775 					     0, 12440, 4, 0);
3776 			input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
3777 					     0, 8640, 4, 0);
3778 		}
3779 		else if (wacom_wac->shared->touch->product == 0x360) {
3780 			input_set_abs_params(input_dev, ABS_MT_POSITION_X,
3781 					     0, 8960, 4, 0);
3782 			input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
3783 					     0, 5920, 4, 0);
3784 		}
3785 		else if (wacom_wac->shared->touch->product == 0x393) {
3786 			input_set_abs_params(input_dev, ABS_MT_POSITION_X,
3787 					     0, 6400, 4, 0);
3788 			input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
3789 					     0, 4000, 4, 0);
3790 		}
3791 		input_abs_set_res(input_dev, ABS_MT_POSITION_X, 40);
3792 		input_abs_set_res(input_dev, ABS_MT_POSITION_Y, 40);
3793 
3794 		/* fall through */
3795 
3796 	case INTUOS5:
3797 	case INTUOS5L:
3798 	case INTUOSPM:
3799 	case INTUOSPL:
3800 	case INTUOS5S:
3801 	case INTUOSPS:
3802 		input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, features->x_max, 0, 0);
3803 		input_set_abs_params(input_dev, ABS_MT_TOUCH_MINOR, 0, features->y_max, 0, 0);
3804 		input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_POINTER);
3805 		break;
3806 
3807 	case WACOM_24HDT:
3808 		input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, features->x_max, 0, 0);
3809 		input_set_abs_params(input_dev, ABS_MT_WIDTH_MAJOR, 0, features->x_max, 0, 0);
3810 		input_set_abs_params(input_dev, ABS_MT_WIDTH_MINOR, 0, features->y_max, 0, 0);
3811 		input_set_abs_params(input_dev, ABS_MT_ORIENTATION, 0, 1, 0, 0);
3812 		/* fall through */
3813 
3814 	case WACOM_27QHDT:
3815 	case MTSCREEN:
3816 	case MTTPC:
3817 	case MTTPC_B:
3818 	case TABLETPC2FG:
3819 		input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_DIRECT);
3820 		/*fall through */
3821 
3822 	case TABLETPC:
3823 	case TABLETPCE:
3824 		break;
3825 
3826 	case INTUOSHT:
3827 	case INTUOSHT2:
3828 		input_dev->evbit[0] |= BIT_MASK(EV_SW);
3829 		__set_bit(SW_MUTE_DEVICE, input_dev->swbit);
3830 		/* fall through */
3831 
3832 	case BAMBOO_PT:
3833 	case BAMBOO_TOUCH:
3834 		if (features->pktlen == WACOM_PKGLEN_BBTOUCH3) {
3835 			input_set_abs_params(input_dev,
3836 				     ABS_MT_TOUCH_MAJOR,
3837 				     0, features->x_max, 0, 0);
3838 			input_set_abs_params(input_dev,
3839 				     ABS_MT_TOUCH_MINOR,
3840 				     0, features->y_max, 0, 0);
3841 		}
3842 		input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_POINTER);
3843 		break;
3844 
3845 	case BAMBOO_PAD:
3846 		input_mt_init_slots(input_dev, features->touch_max,
3847 				    INPUT_MT_POINTER);
3848 		__set_bit(BTN_LEFT, input_dev->keybit);
3849 		__set_bit(BTN_RIGHT, input_dev->keybit);
3850 		break;
3851 	}
3852 	return 0;
3853 }
3854 
3855 static int wacom_numbered_button_to_key(int n)
3856 {
3857 	if (n < 10)
3858 		return BTN_0 + n;
3859 	else if (n < 16)
3860 		return BTN_A + (n-10);
3861 	else if (n < 18)
3862 		return BTN_BASE + (n-16);
3863 	else
3864 		return 0;
3865 }
3866 
3867 static void wacom_setup_numbered_buttons(struct input_dev *input_dev,
3868 				int button_count)
3869 {
3870 	int i;
3871 
3872 	for (i = 0; i < button_count; i++) {
3873 		int key = wacom_numbered_button_to_key(i);
3874 
3875 		if (key)
3876 			__set_bit(key, input_dev->keybit);
3877 	}
3878 }
3879 
3880 static void wacom_24hd_update_leds(struct wacom *wacom, int mask, int group)
3881 {
3882 	struct wacom_led *led;
3883 	int i;
3884 	bool updated = false;
3885 
3886 	/*
3887 	 * 24HD has LED group 1 to the left and LED group 0 to the right.
3888 	 * So group 0 matches the second half of the buttons and thus the mask
3889 	 * needs to be shifted.
3890 	 */
3891 	if (group == 0)
3892 		mask >>= 8;
3893 
3894 	for (i = 0; i < 3; i++) {
3895 		led = wacom_led_find(wacom, group, i);
3896 		if (!led) {
3897 			hid_err(wacom->hdev, "can't find LED %d in group %d\n",
3898 				i, group);
3899 			continue;
3900 		}
3901 		if (!updated && mask & BIT(i)) {
3902 			led->held = true;
3903 			led_trigger_event(&led->trigger, LED_FULL);
3904 		} else {
3905 			led->held = false;
3906 		}
3907 	}
3908 }
3909 
3910 static bool wacom_is_led_toggled(struct wacom *wacom, int button_count,
3911 				 int mask, int group)
3912 {
3913 	int group_button;
3914 
3915 	/*
3916 	 * 21UX2 has LED group 1 to the left and LED group 0
3917 	 * to the right. We need to reverse the group to match this
3918 	 * historical behavior.
3919 	 */
3920 	if (wacom->wacom_wac.features.type == WACOM_21UX2)
3921 		group = 1 - group;
3922 
3923 	group_button = group * (button_count/wacom->led.count);
3924 
3925 	if (wacom->wacom_wac.features.type == INTUOSP2_BT)
3926 		group_button = 8;
3927 
3928 	return mask & (1 << group_button);
3929 }
3930 
3931 static void wacom_update_led(struct wacom *wacom, int button_count, int mask,
3932 			     int group)
3933 {
3934 	struct wacom_led *led, *next_led;
3935 	int cur;
3936 	bool pressed;
3937 
3938 	if (wacom->wacom_wac.features.type == WACOM_24HD)
3939 		return wacom_24hd_update_leds(wacom, mask, group);
3940 
3941 	pressed = wacom_is_led_toggled(wacom, button_count, mask, group);
3942 	cur = wacom->led.groups[group].select;
3943 
3944 	led = wacom_led_find(wacom, group, cur);
3945 	if (!led) {
3946 		hid_err(wacom->hdev, "can't find current LED %d in group %d\n",
3947 			cur, group);
3948 		return;
3949 	}
3950 
3951 	if (!pressed) {
3952 		led->held = false;
3953 		return;
3954 	}
3955 
3956 	if (led->held && pressed)
3957 		return;
3958 
3959 	next_led = wacom_led_next(wacom, led);
3960 	if (!next_led) {
3961 		hid_err(wacom->hdev, "can't find next LED in group %d\n",
3962 			group);
3963 		return;
3964 	}
3965 	if (next_led == led)
3966 		return;
3967 
3968 	next_led->held = true;
3969 	led_trigger_event(&next_led->trigger,
3970 			  wacom_leds_brightness_get(next_led));
3971 }
3972 
3973 static void wacom_report_numbered_buttons(struct input_dev *input_dev,
3974 				int button_count, int mask)
3975 {
3976 	struct wacom *wacom = input_get_drvdata(input_dev);
3977 	int i;
3978 
3979 	for (i = 0; i < wacom->led.count; i++)
3980 		wacom_update_led(wacom,  button_count, mask, i);
3981 
3982 	for (i = 0; i < button_count; i++) {
3983 		int key = wacom_numbered_button_to_key(i);
3984 
3985 		if (key)
3986 			input_report_key(input_dev, key, mask & (1 << i));
3987 	}
3988 }
3989 
3990 int wacom_setup_pad_input_capabilities(struct input_dev *input_dev,
3991 				   struct wacom_wac *wacom_wac)
3992 {
3993 	struct wacom_features *features = &wacom_wac->features;
3994 
3995 	if ((features->type == HID_GENERIC) && features->numbered_buttons > 0)
3996 		features->device_type |= WACOM_DEVICETYPE_PAD;
3997 
3998 	if (!(features->device_type & WACOM_DEVICETYPE_PAD))
3999 		return -ENODEV;
4000 
4001 	if (features->type == REMOTE && input_dev == wacom_wac->pad_input)
4002 		return -ENODEV;
4003 
4004 	input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
4005 
4006 	/* kept for making legacy xf86-input-wacom working with the wheels */
4007 	__set_bit(ABS_MISC, input_dev->absbit);
4008 
4009 	/* kept for making legacy xf86-input-wacom accepting the pad */
4010 	if (!(input_dev->absinfo && (input_dev->absinfo[ABS_X].minimum ||
4011 	      input_dev->absinfo[ABS_X].maximum)))
4012 		input_set_abs_params(input_dev, ABS_X, 0, 1, 0, 0);
4013 	if (!(input_dev->absinfo && (input_dev->absinfo[ABS_Y].minimum ||
4014 	      input_dev->absinfo[ABS_Y].maximum)))
4015 		input_set_abs_params(input_dev, ABS_Y, 0, 1, 0, 0);
4016 
4017 	/* kept for making udev and libwacom accepting the pad */
4018 	__set_bit(BTN_STYLUS, input_dev->keybit);
4019 
4020 	wacom_setup_numbered_buttons(input_dev, features->numbered_buttons);
4021 
4022 	switch (features->type) {
4023 
4024 	case CINTIQ_HYBRID:
4025 	case CINTIQ_COMPANION_2:
4026 	case DTK:
4027 	case DTUS:
4028 	case GRAPHIRE_BT:
4029 		break;
4030 
4031 	case WACOM_MO:
4032 		__set_bit(BTN_BACK, input_dev->keybit);
4033 		__set_bit(BTN_LEFT, input_dev->keybit);
4034 		__set_bit(BTN_FORWARD, input_dev->keybit);
4035 		__set_bit(BTN_RIGHT, input_dev->keybit);
4036 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4037 		break;
4038 
4039 	case WACOM_G4:
4040 		__set_bit(BTN_BACK, input_dev->keybit);
4041 		__set_bit(BTN_FORWARD, input_dev->keybit);
4042 		input_set_capability(input_dev, EV_REL, REL_WHEEL);
4043 		break;
4044 
4045 	case WACOM_24HD:
4046 		__set_bit(KEY_PROG1, input_dev->keybit);
4047 		__set_bit(KEY_PROG2, input_dev->keybit);
4048 		__set_bit(KEY_PROG3, input_dev->keybit);
4049 
4050 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4051 		input_set_abs_params(input_dev, ABS_THROTTLE, 0, 71, 0, 0);
4052 		break;
4053 
4054 	case WACOM_27QHD:
4055 		__set_bit(KEY_PROG1, input_dev->keybit);
4056 		__set_bit(KEY_PROG2, input_dev->keybit);
4057 		__set_bit(KEY_PROG3, input_dev->keybit);
4058 		input_set_abs_params(input_dev, ABS_X, -2048, 2048, 0, 0);
4059 		input_abs_set_res(input_dev, ABS_X, 1024); /* points/g */
4060 		input_set_abs_params(input_dev, ABS_Y, -2048, 2048, 0, 0);
4061 		input_abs_set_res(input_dev, ABS_Y, 1024);
4062 		input_set_abs_params(input_dev, ABS_Z, -2048, 2048, 0, 0);
4063 		input_abs_set_res(input_dev, ABS_Z, 1024);
4064 		__set_bit(INPUT_PROP_ACCELEROMETER, input_dev->propbit);
4065 		break;
4066 
4067 	case WACOM_22HD:
4068 		__set_bit(KEY_PROG1, input_dev->keybit);
4069 		__set_bit(KEY_PROG2, input_dev->keybit);
4070 		__set_bit(KEY_PROG3, input_dev->keybit);
4071 		/* fall through */
4072 
4073 	case WACOM_21UX2:
4074 	case WACOM_BEE:
4075 	case CINTIQ:
4076 		input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
4077 		input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
4078 		break;
4079 
4080 	case WACOM_13HD:
4081 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4082 		break;
4083 
4084 	case INTUOS3:
4085 	case INTUOS3L:
4086 		input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
4087 		/* fall through */
4088 
4089 	case INTUOS3S:
4090 		input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
4091 		break;
4092 
4093 	case INTUOS5:
4094 	case INTUOS5L:
4095 	case INTUOSPM:
4096 	case INTUOSPL:
4097 	case INTUOS5S:
4098 	case INTUOSPS:
4099 	case INTUOSP2_BT:
4100 	case INTUOSP2S_BT:
4101 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4102 		break;
4103 
4104 	case INTUOS4WL:
4105 		/*
4106 		 * For Bluetooth devices, the udev rule does not work correctly
4107 		 * for pads unless we add a stylus capability, which forces
4108 		 * ID_INPUT_TABLET to be set.
4109 		 */
4110 		__set_bit(BTN_STYLUS, input_dev->keybit);
4111 		/* fall through */
4112 
4113 	case INTUOS4:
4114 	case INTUOS4L:
4115 	case INTUOS4S:
4116 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4117 		break;
4118 
4119 	case INTUOSHT:
4120 	case BAMBOO_PT:
4121 	case BAMBOO_TOUCH:
4122 	case INTUOSHT2:
4123 		__clear_bit(ABS_MISC, input_dev->absbit);
4124 
4125 		__set_bit(BTN_LEFT, input_dev->keybit);
4126 		__set_bit(BTN_FORWARD, input_dev->keybit);
4127 		__set_bit(BTN_BACK, input_dev->keybit);
4128 		__set_bit(BTN_RIGHT, input_dev->keybit);
4129 
4130 		break;
4131 
4132 	case REMOTE:
4133 		input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
4134 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4135 		break;
4136 
4137 	case INTUOSHT3_BT:
4138 	case HID_GENERIC:
4139 		break;
4140 
4141 	default:
4142 		/* no pad supported */
4143 		return -ENODEV;
4144 	}
4145 	return 0;
4146 }
4147 
4148 static const struct wacom_features wacom_features_0x00 =
4149 	{ "Wacom Penpartner", 5040, 3780, 255, 0,
4150 	  PENPARTNER, WACOM_PENPRTN_RES, WACOM_PENPRTN_RES };
4151 static const struct wacom_features wacom_features_0x10 =
4152 	{ "Wacom Graphire", 10206, 7422, 511, 63,
4153 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4154 static const struct wacom_features wacom_features_0x81 =
4155 	{ "Wacom Graphire BT", 16704, 12064, 511, 32,
4156 	  GRAPHIRE_BT, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES, 2 };
4157 static const struct wacom_features wacom_features_0x11 =
4158 	{ "Wacom Graphire2 4x5", 10206, 7422, 511, 63,
4159 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4160 static const struct wacom_features wacom_features_0x12 =
4161 	{ "Wacom Graphire2 5x7", 13918, 10206, 511, 63,
4162 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4163 static const struct wacom_features wacom_features_0x13 =
4164 	{ "Wacom Graphire3", 10208, 7424, 511, 63,
4165 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4166 static const struct wacom_features wacom_features_0x14 =
4167 	{ "Wacom Graphire3 6x8", 16704, 12064, 511, 63,
4168 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4169 static const struct wacom_features wacom_features_0x15 =
4170 	{ "Wacom Graphire4 4x5", 10208, 7424, 511, 63,
4171 	  WACOM_G4, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4172 static const struct wacom_features wacom_features_0x16 =
4173 	{ "Wacom Graphire4 6x8", 16704, 12064, 511, 63,
4174 	  WACOM_G4, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4175 static const struct wacom_features wacom_features_0x17 =
4176 	{ "Wacom BambooFun 4x5", 14760, 9225, 511, 63,
4177 	  WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4178 static const struct wacom_features wacom_features_0x18 =
4179 	{ "Wacom BambooFun 6x8", 21648, 13530, 511, 63,
4180 	  WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4181 static const struct wacom_features wacom_features_0x19 =
4182 	{ "Wacom Bamboo1 Medium", 16704, 12064, 511, 63,
4183 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4184 static const struct wacom_features wacom_features_0x60 =
4185 	{ "Wacom Volito", 5104, 3712, 511, 63,
4186 	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4187 static const struct wacom_features wacom_features_0x61 =
4188 	{ "Wacom PenStation2", 3250, 2320, 255, 63,
4189 	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4190 static const struct wacom_features wacom_features_0x62 =
4191 	{ "Wacom Volito2 4x5", 5104, 3712, 511, 63,
4192 	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4193 static const struct wacom_features wacom_features_0x63 =
4194 	{ "Wacom Volito2 2x3", 3248, 2320, 511, 63,
4195 	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4196 static const struct wacom_features wacom_features_0x64 =
4197 	{ "Wacom PenPartner2", 3250, 2320, 511, 63,
4198 	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4199 static const struct wacom_features wacom_features_0x65 =
4200 	{ "Wacom Bamboo", 14760, 9225, 511, 63,
4201 	  WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4202 static const struct wacom_features wacom_features_0x69 =
4203 	{ "Wacom Bamboo1", 5104, 3712, 511, 63,
4204 	  GRAPHIRE, WACOM_PENPRTN_RES, WACOM_PENPRTN_RES };
4205 static const struct wacom_features wacom_features_0x6A =
4206 	{ "Wacom Bamboo1 4x6", 14760, 9225, 1023, 63,
4207 	  GRAPHIRE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4208 static const struct wacom_features wacom_features_0x6B =
4209 	{ "Wacom Bamboo1 5x8", 21648, 13530, 1023, 63,
4210 	  GRAPHIRE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4211 static const struct wacom_features wacom_features_0x20 =
4212 	{ "Wacom Intuos 4x5", 12700, 10600, 1023, 31,
4213 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4214 static const struct wacom_features wacom_features_0x21 =
4215 	{ "Wacom Intuos 6x8", 20320, 16240, 1023, 31,
4216 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4217 static const struct wacom_features wacom_features_0x22 =
4218 	{ "Wacom Intuos 9x12", 30480, 24060, 1023, 31,
4219 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4220 static const struct wacom_features wacom_features_0x23 =
4221 	{ "Wacom Intuos 12x12", 30480, 31680, 1023, 31,
4222 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4223 static const struct wacom_features wacom_features_0x24 =
4224 	{ "Wacom Intuos 12x18", 45720, 31680, 1023, 31,
4225 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4226 static const struct wacom_features wacom_features_0x30 =
4227 	{ "Wacom PL400", 5408, 4056, 255, 0,
4228 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4229 static const struct wacom_features wacom_features_0x31 =
4230 	{ "Wacom PL500", 6144, 4608, 255, 0,
4231 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4232 static const struct wacom_features wacom_features_0x32 =
4233 	{ "Wacom PL600", 6126, 4604, 255, 0,
4234 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4235 static const struct wacom_features wacom_features_0x33 =
4236 	{ "Wacom PL600SX", 6260, 5016, 255, 0,
4237 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4238 static const struct wacom_features wacom_features_0x34 =
4239 	{ "Wacom PL550", 6144, 4608, 511, 0,
4240 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4241 static const struct wacom_features wacom_features_0x35 =
4242 	{ "Wacom PL800", 7220, 5780, 511, 0,
4243 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4244 static const struct wacom_features wacom_features_0x37 =
4245 	{ "Wacom PL700", 6758, 5406, 511, 0,
4246 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4247 static const struct wacom_features wacom_features_0x38 =
4248 	{ "Wacom PL510", 6282, 4762, 511, 0,
4249 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4250 static const struct wacom_features wacom_features_0x39 =
4251 	{ "Wacom DTU710", 34080, 27660, 511, 0,
4252 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4253 static const struct wacom_features wacom_features_0xC4 =
4254 	{ "Wacom DTF521", 6282, 4762, 511, 0,
4255 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4256 static const struct wacom_features wacom_features_0xC0 =
4257 	{ "Wacom DTF720", 6858, 5506, 511, 0,
4258 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4259 static const struct wacom_features wacom_features_0xC2 =
4260 	{ "Wacom DTF720a", 6858, 5506, 511, 0,
4261 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4262 static const struct wacom_features wacom_features_0x03 =
4263 	{ "Wacom Cintiq Partner", 20480, 15360, 511, 0,
4264 	  PTU, WACOM_PL_RES, WACOM_PL_RES };
4265 static const struct wacom_features wacom_features_0x41 =
4266 	{ "Wacom Intuos2 4x5", 12700, 10600, 1023, 31,
4267 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4268 static const struct wacom_features wacom_features_0x42 =
4269 	{ "Wacom Intuos2 6x8", 20320, 16240, 1023, 31,
4270 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4271 static const struct wacom_features wacom_features_0x43 =
4272 	{ "Wacom Intuos2 9x12", 30480, 24060, 1023, 31,
4273 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4274 static const struct wacom_features wacom_features_0x44 =
4275 	{ "Wacom Intuos2 12x12", 30480, 31680, 1023, 31,
4276 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4277 static const struct wacom_features wacom_features_0x45 =
4278 	{ "Wacom Intuos2 12x18", 45720, 31680, 1023, 31,
4279 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4280 static const struct wacom_features wacom_features_0xB0 =
4281 	{ "Wacom Intuos3 4x5", 25400, 20320, 1023, 63,
4282 	  INTUOS3S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 4 };
4283 static const struct wacom_features wacom_features_0xB1 =
4284 	{ "Wacom Intuos3 6x8", 40640, 30480, 1023, 63,
4285 	  INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4286 static const struct wacom_features wacom_features_0xB2 =
4287 	{ "Wacom Intuos3 9x12", 60960, 45720, 1023, 63,
4288 	  INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4289 static const struct wacom_features wacom_features_0xB3 =
4290 	{ "Wacom Intuos3 12x12", 60960, 60960, 1023, 63,
4291 	  INTUOS3L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4292 static const struct wacom_features wacom_features_0xB4 =
4293 	{ "Wacom Intuos3 12x19", 97536, 60960, 1023, 63,
4294 	  INTUOS3L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4295 static const struct wacom_features wacom_features_0xB5 =
4296 	{ "Wacom Intuos3 6x11", 54204, 31750, 1023, 63,
4297 	  INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4298 static const struct wacom_features wacom_features_0xB7 =
4299 	{ "Wacom Intuos3 4x6", 31496, 19685, 1023, 63,
4300 	  INTUOS3S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 4 };
4301 static const struct wacom_features wacom_features_0xB8 =
4302 	{ "Wacom Intuos4 4x6", 31496, 19685, 2047, 63,
4303 	  INTUOS4S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7 };
4304 static const struct wacom_features wacom_features_0xB9 =
4305 	{ "Wacom Intuos4 6x9", 44704, 27940, 2047, 63,
4306 	  INTUOS4, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4307 static const struct wacom_features wacom_features_0xBA =
4308 	{ "Wacom Intuos4 8x13", 65024, 40640, 2047, 63,
4309 	  INTUOS4L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4310 static const struct wacom_features wacom_features_0xBB =
4311 	{ "Wacom Intuos4 12x19", 97536, 60960, 2047, 63,
4312 	  INTUOS4L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4313 static const struct wacom_features wacom_features_0xBC =
4314 	{ "Wacom Intuos4 WL", 40640, 25400, 2047, 63,
4315 	  INTUOS4, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4316 static const struct wacom_features wacom_features_0xBD =
4317 	{ "Wacom Intuos4 WL", 40640, 25400, 2047, 63,
4318 	  INTUOS4WL, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4319 static const struct wacom_features wacom_features_0x26 =
4320 	{ "Wacom Intuos5 touch S", 31496, 19685, 2047, 63,
4321 	  INTUOS5S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7, .touch_max = 16 };
4322 static const struct wacom_features wacom_features_0x27 =
4323 	{ "Wacom Intuos5 touch M", 44704, 27940, 2047, 63,
4324 	  INTUOS5, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16 };
4325 static const struct wacom_features wacom_features_0x28 =
4326 	{ "Wacom Intuos5 touch L", 65024, 40640, 2047, 63,
4327 	  INTUOS5L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16 };
4328 static const struct wacom_features wacom_features_0x29 =
4329 	{ "Wacom Intuos5 S", 31496, 19685, 2047, 63,
4330 	  INTUOS5S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7 };
4331 static const struct wacom_features wacom_features_0x2A =
4332 	{ "Wacom Intuos5 M", 44704, 27940, 2047, 63,
4333 	  INTUOS5, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4334 static const struct wacom_features wacom_features_0x314 =
4335 	{ "Wacom Intuos Pro S", 31496, 19685, 2047, 63,
4336 	  INTUOSPS, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7, .touch_max = 16,
4337 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4338 static const struct wacom_features wacom_features_0x315 =
4339 	{ "Wacom Intuos Pro M", 44704, 27940, 2047, 63,
4340 	  INTUOSPM, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16,
4341 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4342 static const struct wacom_features wacom_features_0x317 =
4343 	{ "Wacom Intuos Pro L", 65024, 40640, 2047, 63,
4344 	  INTUOSPL, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16,
4345 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4346 static const struct wacom_features wacom_features_0xF4 =
4347 	{ "Wacom Cintiq 24HD", 104480, 65600, 2047, 63,
4348 	  WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 16,
4349 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4350 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4351 static const struct wacom_features wacom_features_0xF8 =
4352 	{ "Wacom Cintiq 24HD touch", 104480, 65600, 2047, 63, /* Pen */
4353 	  WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 16,
4354 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4355 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4356 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf6 };
4357 static const struct wacom_features wacom_features_0xF6 =
4358 	{ "Wacom Cintiq 24HD touch", .type = WACOM_24HDT, /* Touch */
4359 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf8, .touch_max = 10,
4360 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4361 static const struct wacom_features wacom_features_0x32A =
4362 	{ "Wacom Cintiq 27QHD", 120140, 67920, 2047, 63,
4363 	  WACOM_27QHD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 0,
4364 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4365 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4366 static const struct wacom_features wacom_features_0x32B =
4367 	{ "Wacom Cintiq 27QHD touch", 120140, 67920, 2047, 63,
4368 	  WACOM_27QHD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 0,
4369 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4370 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4371 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x32C };
4372 static const struct wacom_features wacom_features_0x32C =
4373 	{ "Wacom Cintiq 27QHD touch", .type = WACOM_27QHDT,
4374 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x32B, .touch_max = 10 };
4375 static const struct wacom_features wacom_features_0x3F =
4376 	{ "Wacom Cintiq 21UX", 87200, 65600, 1023, 63,
4377 	  CINTIQ, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4378 static const struct wacom_features wacom_features_0xC5 =
4379 	{ "Wacom Cintiq 20WSX", 86680, 54180, 1023, 63,
4380 	  WACOM_BEE, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 10 };
4381 static const struct wacom_features wacom_features_0xC6 =
4382 	{ "Wacom Cintiq 12WX", 53020, 33440, 1023, 63,
4383 	  WACOM_BEE, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 10 };
4384 static const struct wacom_features wacom_features_0x304 =
4385 	{ "Wacom Cintiq 13HD", 59552, 33848, 1023, 63,
4386 	  WACOM_13HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4387 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4388 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4389 static const struct wacom_features wacom_features_0x333 =
4390 	{ "Wacom Cintiq 13HD touch", 59552, 33848, 2047, 63,
4391 	  WACOM_13HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4392 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4393 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4394 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x335 };
4395 static const struct wacom_features wacom_features_0x335 =
4396 	{ "Wacom Cintiq 13HD touch", .type = WACOM_24HDT, /* Touch */
4397 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x333, .touch_max = 10,
4398 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4399 static const struct wacom_features wacom_features_0xC7 =
4400 	{ "Wacom DTU1931", 37832, 30305, 511, 0,
4401 	  PL, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4402 static const struct wacom_features wacom_features_0xCE =
4403 	{ "Wacom DTU2231", 47864, 27011, 511, 0,
4404 	  DTU, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4405 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBMOUSE };
4406 static const struct wacom_features wacom_features_0xF0 =
4407 	{ "Wacom DTU1631", 34623, 19553, 511, 0,
4408 	  DTU, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4409 static const struct wacom_features wacom_features_0xFB =
4410 	{ "Wacom DTU1031", 22096, 13960, 511, 0,
4411 	  DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
4412 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4413 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4414 static const struct wacom_features wacom_features_0x32F =
4415 	{ "Wacom DTU1031X", 22672, 12928, 511, 0,
4416 	  DTUSX, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 0,
4417 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4418 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4419 static const struct wacom_features wacom_features_0x336 =
4420 	{ "Wacom DTU1141", 23672, 13403, 1023, 0,
4421 	  DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
4422 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4423 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4424 static const struct wacom_features wacom_features_0x57 =
4425 	{ "Wacom DTK2241", 95840, 54260, 2047, 63,
4426 	  DTK, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 6,
4427 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4428 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4429 static const struct wacom_features wacom_features_0x59 = /* Pen */
4430 	{ "Wacom DTH2242", 95840, 54260, 2047, 63,
4431 	  DTK, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 6,
4432 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4433 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4434 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5D };
4435 static const struct wacom_features wacom_features_0x5D = /* Touch */
4436 	{ "Wacom DTH2242",       .type = WACOM_24HDT,
4437 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x59, .touch_max = 10,
4438 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4439 static const struct wacom_features wacom_features_0xCC =
4440 	{ "Wacom Cintiq 21UX2", 87200, 65600, 2047, 63,
4441 	  WACOM_21UX2, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
4442 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4443 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4444 static const struct wacom_features wacom_features_0xFA =
4445 	{ "Wacom Cintiq 22HD", 95840, 54260, 2047, 63,
4446 	  WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
4447 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4448 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4449 static const struct wacom_features wacom_features_0x5B =
4450 	{ "Wacom Cintiq 22HDT", 95840, 54260, 2047, 63,
4451 	  WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
4452 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4453 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4454 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5e };
4455 static const struct wacom_features wacom_features_0x5E =
4456 	{ "Wacom Cintiq 22HDT", .type = WACOM_24HDT,
4457 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5b, .touch_max = 10,
4458 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4459 static const struct wacom_features wacom_features_0x90 =
4460 	{ "Wacom ISDv4 90", 26202, 16325, 255, 0,
4461 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4462 static const struct wacom_features wacom_features_0x93 =
4463 	{ "Wacom ISDv4 93", 26202, 16325, 255, 0,
4464 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4465 static const struct wacom_features wacom_features_0x97 =
4466 	{ "Wacom ISDv4 97", 26202, 16325, 511, 0,
4467 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4468 static const struct wacom_features wacom_features_0x9A =
4469 	{ "Wacom ISDv4 9A", 26202, 16325, 255, 0,
4470 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4471 static const struct wacom_features wacom_features_0x9F =
4472 	{ "Wacom ISDv4 9F", 26202, 16325, 255, 0,
4473 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4474 static const struct wacom_features wacom_features_0xE2 =
4475 	{ "Wacom ISDv4 E2", 26202, 16325, 255, 0,
4476 	  TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4477 static const struct wacom_features wacom_features_0xE3 =
4478 	{ "Wacom ISDv4 E3", 26202, 16325, 255, 0,
4479 	  TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4480 static const struct wacom_features wacom_features_0xE5 =
4481 	{ "Wacom ISDv4 E5", 26202, 16325, 255, 0,
4482 	  MTSCREEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4483 static const struct wacom_features wacom_features_0xE6 =
4484 	{ "Wacom ISDv4 E6", 27760, 15694, 255, 0,
4485 	  TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4486 static const struct wacom_features wacom_features_0xEC =
4487 	{ "Wacom ISDv4 EC", 25710, 14500, 255, 0,
4488 	  TABLETPC,    WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4489 static const struct wacom_features wacom_features_0xED =
4490 	{ "Wacom ISDv4 ED", 26202, 16325, 255, 0,
4491 	  TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4492 static const struct wacom_features wacom_features_0xEF =
4493 	{ "Wacom ISDv4 EF", 26202, 16325, 255, 0,
4494 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4495 static const struct wacom_features wacom_features_0x100 =
4496 	{ "Wacom ISDv4 100", 26202, 16325, 255, 0,
4497 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4498 static const struct wacom_features wacom_features_0x101 =
4499 	{ "Wacom ISDv4 101", 26202, 16325, 255, 0,
4500 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4501 static const struct wacom_features wacom_features_0x10D =
4502 	{ "Wacom ISDv4 10D", 26202, 16325, 255, 0,
4503 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4504 static const struct wacom_features wacom_features_0x10E =
4505 	{ "Wacom ISDv4 10E", 27760, 15694, 255, 0,
4506 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4507 static const struct wacom_features wacom_features_0x10F =
4508 	{ "Wacom ISDv4 10F", 27760, 15694, 255, 0,
4509 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4510 static const struct wacom_features wacom_features_0x116 =
4511 	{ "Wacom ISDv4 116", 26202, 16325, 255, 0,
4512 	  TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4513 static const struct wacom_features wacom_features_0x12C =
4514 	{ "Wacom ISDv4 12C", 27848, 15752, 2047, 0,
4515 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4516 static const struct wacom_features wacom_features_0x4001 =
4517 	{ "Wacom ISDv4 4001", 26202, 16325, 255, 0,
4518 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4519 static const struct wacom_features wacom_features_0x4004 =
4520 	{ "Wacom ISDv4 4004", 11060, 6220, 255, 0,
4521 	  MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4522 static const struct wacom_features wacom_features_0x5000 =
4523 	{ "Wacom ISDv4 5000", 27848, 15752, 1023, 0,
4524 	  MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4525 static const struct wacom_features wacom_features_0x5002 =
4526 	{ "Wacom ISDv4 5002", 29576, 16724, 1023, 0,
4527 	  MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4528 static const struct wacom_features wacom_features_0x47 =
4529 	{ "Wacom Intuos2 6x8", 20320, 16240, 1023, 31,
4530 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4531 static const struct wacom_features wacom_features_0x84 =
4532 	{ "Wacom Wireless Receiver", .type = WIRELESS, .touch_max = 16 };
4533 static const struct wacom_features wacom_features_0xD0 =
4534 	{ "Wacom Bamboo 2FG", 14720, 9200, 1023, 31,
4535 	  BAMBOO_TOUCH, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4536 static const struct wacom_features wacom_features_0xD1 =
4537 	{ "Wacom Bamboo 2FG 4x5", 14720, 9200, 1023, 31,
4538 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4539 static const struct wacom_features wacom_features_0xD2 =
4540 	{ "Wacom Bamboo Craft", 14720, 9200, 1023, 31,
4541 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4542 static const struct wacom_features wacom_features_0xD3 =
4543 	{ "Wacom Bamboo 2FG 6x8", 21648, 13700, 1023, 31,
4544 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4545 static const struct wacom_features wacom_features_0xD4 =
4546 	{ "Wacom Bamboo Pen", 14720, 9200, 1023, 31,
4547 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4548 static const struct wacom_features wacom_features_0xD5 =
4549 	{ "Wacom Bamboo Pen 6x8", 21648, 13700, 1023, 31,
4550 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4551 static const struct wacom_features wacom_features_0xD6 =
4552 	{ "Wacom BambooPT 2FG 4x5", 14720, 9200, 1023, 31,
4553 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4554 static const struct wacom_features wacom_features_0xD7 =
4555 	{ "Wacom BambooPT 2FG Small", 14720, 9200, 1023, 31,
4556 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4557 static const struct wacom_features wacom_features_0xD8 =
4558 	{ "Wacom Bamboo Comic 2FG", 21648, 13700, 1023, 31,
4559 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4560 static const struct wacom_features wacom_features_0xDA =
4561 	{ "Wacom Bamboo 2FG 4x5 SE", 14720, 9200, 1023, 31,
4562 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4563 static const struct wacom_features wacom_features_0xDB =
4564 	{ "Wacom Bamboo 2FG 6x8 SE", 21648, 13700, 1023, 31,
4565 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4566 static const struct wacom_features wacom_features_0xDD =
4567         { "Wacom Bamboo Connect", 14720, 9200, 1023, 31,
4568           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4569 static const struct wacom_features wacom_features_0xDE =
4570         { "Wacom Bamboo 16FG 4x5", 14720, 9200, 1023, 31,
4571 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16 };
4572 static const struct wacom_features wacom_features_0xDF =
4573         { "Wacom Bamboo 16FG 6x8", 21648, 13700, 1023, 31,
4574 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16 };
4575 static const struct wacom_features wacom_features_0x300 =
4576 	{ "Wacom Bamboo One S", 14720, 9225, 1023, 31,
4577 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4578 static const struct wacom_features wacom_features_0x301 =
4579 	{ "Wacom Bamboo One M", 21648, 13530, 1023, 31,
4580 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4581 static const struct wacom_features wacom_features_0x302 =
4582 	{ "Wacom Intuos PT S", 15200, 9500, 1023, 31,
4583 	  INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4584 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4585 static const struct wacom_features wacom_features_0x303 =
4586 	{ "Wacom Intuos PT M", 21600, 13500, 1023, 31,
4587 	  INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4588 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4589 static const struct wacom_features wacom_features_0x30E =
4590 	{ "Wacom Intuos S", 15200, 9500, 1023, 31,
4591 	  INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4592 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4593 static const struct wacom_features wacom_features_0x6004 =
4594 	{ "ISD-V4", 12800, 8000, 255, 0,
4595 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4596 static const struct wacom_features wacom_features_0x307 =
4597 	{ "Wacom ISDv5 307", 59552, 33848, 2047, 63,
4598 	  CINTIQ_HYBRID, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4599 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4600 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4601 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x309 };
4602 static const struct wacom_features wacom_features_0x309 =
4603 	{ "Wacom ISDv5 309", .type = WACOM_24HDT, /* Touch */
4604 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x0307, .touch_max = 10,
4605 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4606 static const struct wacom_features wacom_features_0x30A =
4607 	{ "Wacom ISDv5 30A", 59552, 33848, 2047, 63,
4608 	  CINTIQ_HYBRID, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4609 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4610 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4611 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x30C };
4612 static const struct wacom_features wacom_features_0x30C =
4613 	{ "Wacom ISDv5 30C", .type = WACOM_24HDT, /* Touch */
4614 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x30A, .touch_max = 10,
4615 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4616 static const struct wacom_features wacom_features_0x318 =
4617 	{ "Wacom USB Bamboo PAD", 4095, 4095, /* Touch */
4618 	  .type = BAMBOO_PAD, 35, 48, .touch_max = 4 };
4619 static const struct wacom_features wacom_features_0x319 =
4620 	{ "Wacom Wireless Bamboo PAD", 4095, 4095, /* Touch */
4621 	  .type = BAMBOO_PAD, 35, 48, .touch_max = 4 };
4622 static const struct wacom_features wacom_features_0x325 =
4623 	{ "Wacom ISDv5 325", 59552, 33848, 2047, 63,
4624 	  CINTIQ_COMPANION_2, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 11,
4625 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4626 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4627 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x326 };
4628 static const struct wacom_features wacom_features_0x326 = /* Touch */
4629 	{ "Wacom ISDv5 326", .type = HID_GENERIC, .oVid = USB_VENDOR_ID_WACOM,
4630 	  .oPid = 0x325 };
4631 static const struct wacom_features wacom_features_0x323 =
4632 	{ "Wacom Intuos P M", 21600, 13500, 1023, 31,
4633 	  INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4634 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4635 static const struct wacom_features wacom_features_0x331 =
4636 	{ "Wacom Express Key Remote", .type = REMOTE,
4637 	  .numbered_buttons = 18, .check_for_hid_type = true,
4638 	  .hid_type = HID_TYPE_USBNONE };
4639 static const struct wacom_features wacom_features_0x33B =
4640 	{ "Wacom Intuos S 2", 15200, 9500, 2047, 63,
4641 	  INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4642 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4643 static const struct wacom_features wacom_features_0x33C =
4644 	{ "Wacom Intuos PT S 2", 15200, 9500, 2047, 63,
4645 	  INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4646 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4647 static const struct wacom_features wacom_features_0x33D =
4648 	{ "Wacom Intuos P M 2", 21600, 13500, 2047, 63,
4649 	  INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4650 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4651 static const struct wacom_features wacom_features_0x33E =
4652 	{ "Wacom Intuos PT M 2", 21600, 13500, 2047, 63,
4653 	  INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4654 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4655 static const struct wacom_features wacom_features_0x343 =
4656 	{ "Wacom DTK1651", 34816, 19759, 1023, 0,
4657 	  DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
4658 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4659 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4660 static const struct wacom_features wacom_features_0x360 =
4661 	{ "Wacom Intuos Pro M", 44800, 29600, 8191, 63,
4662 	  INTUOSP2_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 10 };
4663 static const struct wacom_features wacom_features_0x361 =
4664 	{ "Wacom Intuos Pro L", 62200, 43200, 8191, 63,
4665 	  INTUOSP2_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 10 };
4666 static const struct wacom_features wacom_features_0x377 =
4667 	{ "Wacom Intuos BT S", 15200, 9500, 4095, 63,
4668 	  INTUOSHT3_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4 };
4669 static const struct wacom_features wacom_features_0x379 =
4670 	{ "Wacom Intuos BT M", 21600, 13500, 4095, 63,
4671 	  INTUOSHT3_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4 };
4672 static const struct wacom_features wacom_features_0x37A =
4673 	{ "Wacom One by Wacom S", 15200, 9500, 2047, 63,
4674 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4675 static const struct wacom_features wacom_features_0x37B =
4676 	{ "Wacom One by Wacom M", 21600, 13500, 2047, 63,
4677 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4678 static const struct wacom_features wacom_features_0x393 =
4679 	{ "Wacom Intuos Pro S", 31920, 19950, 8191, 63,
4680 	  INTUOSP2S_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7,
4681 	  .touch_max = 10 };
4682 
4683 static const struct wacom_features wacom_features_HID_ANY_ID =
4684 	{ "Wacom HID", .type = HID_GENERIC, .oVid = HID_ANY_ID, .oPid = HID_ANY_ID };
4685 
4686 #define USB_DEVICE_WACOM(prod)						\
4687 	HID_DEVICE(BUS_USB, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4688 	.driver_data = (kernel_ulong_t)&wacom_features_##prod
4689 
4690 #define BT_DEVICE_WACOM(prod)						\
4691 	HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4692 	.driver_data = (kernel_ulong_t)&wacom_features_##prod
4693 
4694 #define I2C_DEVICE_WACOM(prod)						\
4695 	HID_DEVICE(BUS_I2C, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4696 	.driver_data = (kernel_ulong_t)&wacom_features_##prod
4697 
4698 #define USB_DEVICE_LENOVO(prod)					\
4699 	HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, prod),			\
4700 	.driver_data = (kernel_ulong_t)&wacom_features_##prod
4701 
4702 const struct hid_device_id wacom_ids[] = {
4703 	{ USB_DEVICE_WACOM(0x00) },
4704 	{ USB_DEVICE_WACOM(0x03) },
4705 	{ USB_DEVICE_WACOM(0x10) },
4706 	{ USB_DEVICE_WACOM(0x11) },
4707 	{ USB_DEVICE_WACOM(0x12) },
4708 	{ USB_DEVICE_WACOM(0x13) },
4709 	{ USB_DEVICE_WACOM(0x14) },
4710 	{ USB_DEVICE_WACOM(0x15) },
4711 	{ USB_DEVICE_WACOM(0x16) },
4712 	{ USB_DEVICE_WACOM(0x17) },
4713 	{ USB_DEVICE_WACOM(0x18) },
4714 	{ USB_DEVICE_WACOM(0x19) },
4715 	{ USB_DEVICE_WACOM(0x20) },
4716 	{ USB_DEVICE_WACOM(0x21) },
4717 	{ USB_DEVICE_WACOM(0x22) },
4718 	{ USB_DEVICE_WACOM(0x23) },
4719 	{ USB_DEVICE_WACOM(0x24) },
4720 	{ USB_DEVICE_WACOM(0x26) },
4721 	{ USB_DEVICE_WACOM(0x27) },
4722 	{ USB_DEVICE_WACOM(0x28) },
4723 	{ USB_DEVICE_WACOM(0x29) },
4724 	{ USB_DEVICE_WACOM(0x2A) },
4725 	{ USB_DEVICE_WACOM(0x30) },
4726 	{ USB_DEVICE_WACOM(0x31) },
4727 	{ USB_DEVICE_WACOM(0x32) },
4728 	{ USB_DEVICE_WACOM(0x33) },
4729 	{ USB_DEVICE_WACOM(0x34) },
4730 	{ USB_DEVICE_WACOM(0x35) },
4731 	{ USB_DEVICE_WACOM(0x37) },
4732 	{ USB_DEVICE_WACOM(0x38) },
4733 	{ USB_DEVICE_WACOM(0x39) },
4734 	{ USB_DEVICE_WACOM(0x3F) },
4735 	{ USB_DEVICE_WACOM(0x41) },
4736 	{ USB_DEVICE_WACOM(0x42) },
4737 	{ USB_DEVICE_WACOM(0x43) },
4738 	{ USB_DEVICE_WACOM(0x44) },
4739 	{ USB_DEVICE_WACOM(0x45) },
4740 	{ USB_DEVICE_WACOM(0x47) },
4741 	{ USB_DEVICE_WACOM(0x57) },
4742 	{ USB_DEVICE_WACOM(0x59) },
4743 	{ USB_DEVICE_WACOM(0x5B) },
4744 	{ USB_DEVICE_WACOM(0x5D) },
4745 	{ USB_DEVICE_WACOM(0x5E) },
4746 	{ USB_DEVICE_WACOM(0x60) },
4747 	{ USB_DEVICE_WACOM(0x61) },
4748 	{ USB_DEVICE_WACOM(0x62) },
4749 	{ USB_DEVICE_WACOM(0x63) },
4750 	{ USB_DEVICE_WACOM(0x64) },
4751 	{ USB_DEVICE_WACOM(0x65) },
4752 	{ USB_DEVICE_WACOM(0x69) },
4753 	{ USB_DEVICE_WACOM(0x6A) },
4754 	{ USB_DEVICE_WACOM(0x6B) },
4755 	{ BT_DEVICE_WACOM(0x81) },
4756 	{ USB_DEVICE_WACOM(0x84) },
4757 	{ USB_DEVICE_WACOM(0x90) },
4758 	{ USB_DEVICE_WACOM(0x93) },
4759 	{ USB_DEVICE_WACOM(0x97) },
4760 	{ USB_DEVICE_WACOM(0x9A) },
4761 	{ USB_DEVICE_WACOM(0x9F) },
4762 	{ USB_DEVICE_WACOM(0xB0) },
4763 	{ USB_DEVICE_WACOM(0xB1) },
4764 	{ USB_DEVICE_WACOM(0xB2) },
4765 	{ USB_DEVICE_WACOM(0xB3) },
4766 	{ USB_DEVICE_WACOM(0xB4) },
4767 	{ USB_DEVICE_WACOM(0xB5) },
4768 	{ USB_DEVICE_WACOM(0xB7) },
4769 	{ USB_DEVICE_WACOM(0xB8) },
4770 	{ USB_DEVICE_WACOM(0xB9) },
4771 	{ USB_DEVICE_WACOM(0xBA) },
4772 	{ USB_DEVICE_WACOM(0xBB) },
4773 	{ USB_DEVICE_WACOM(0xBC) },
4774 	{ BT_DEVICE_WACOM(0xBD) },
4775 	{ USB_DEVICE_WACOM(0xC0) },
4776 	{ USB_DEVICE_WACOM(0xC2) },
4777 	{ USB_DEVICE_WACOM(0xC4) },
4778 	{ USB_DEVICE_WACOM(0xC5) },
4779 	{ USB_DEVICE_WACOM(0xC6) },
4780 	{ USB_DEVICE_WACOM(0xC7) },
4781 	{ USB_DEVICE_WACOM(0xCC) },
4782 	{ USB_DEVICE_WACOM(0xCE) },
4783 	{ USB_DEVICE_WACOM(0xD0) },
4784 	{ USB_DEVICE_WACOM(0xD1) },
4785 	{ USB_DEVICE_WACOM(0xD2) },
4786 	{ USB_DEVICE_WACOM(0xD3) },
4787 	{ USB_DEVICE_WACOM(0xD4) },
4788 	{ USB_DEVICE_WACOM(0xD5) },
4789 	{ USB_DEVICE_WACOM(0xD6) },
4790 	{ USB_DEVICE_WACOM(0xD7) },
4791 	{ USB_DEVICE_WACOM(0xD8) },
4792 	{ USB_DEVICE_WACOM(0xDA) },
4793 	{ USB_DEVICE_WACOM(0xDB) },
4794 	{ USB_DEVICE_WACOM(0xDD) },
4795 	{ USB_DEVICE_WACOM(0xDE) },
4796 	{ USB_DEVICE_WACOM(0xDF) },
4797 	{ USB_DEVICE_WACOM(0xE2) },
4798 	{ USB_DEVICE_WACOM(0xE3) },
4799 	{ USB_DEVICE_WACOM(0xE5) },
4800 	{ USB_DEVICE_WACOM(0xE6) },
4801 	{ USB_DEVICE_WACOM(0xEC) },
4802 	{ USB_DEVICE_WACOM(0xED) },
4803 	{ USB_DEVICE_WACOM(0xEF) },
4804 	{ USB_DEVICE_WACOM(0xF0) },
4805 	{ USB_DEVICE_WACOM(0xF4) },
4806 	{ USB_DEVICE_WACOM(0xF6) },
4807 	{ USB_DEVICE_WACOM(0xF8) },
4808 	{ USB_DEVICE_WACOM(0xFA) },
4809 	{ USB_DEVICE_WACOM(0xFB) },
4810 	{ USB_DEVICE_WACOM(0x100) },
4811 	{ USB_DEVICE_WACOM(0x101) },
4812 	{ USB_DEVICE_WACOM(0x10D) },
4813 	{ USB_DEVICE_WACOM(0x10E) },
4814 	{ USB_DEVICE_WACOM(0x10F) },
4815 	{ USB_DEVICE_WACOM(0x116) },
4816 	{ USB_DEVICE_WACOM(0x12C) },
4817 	{ USB_DEVICE_WACOM(0x300) },
4818 	{ USB_DEVICE_WACOM(0x301) },
4819 	{ USB_DEVICE_WACOM(0x302) },
4820 	{ USB_DEVICE_WACOM(0x303) },
4821 	{ USB_DEVICE_WACOM(0x304) },
4822 	{ USB_DEVICE_WACOM(0x307) },
4823 	{ USB_DEVICE_WACOM(0x309) },
4824 	{ USB_DEVICE_WACOM(0x30A) },
4825 	{ USB_DEVICE_WACOM(0x30C) },
4826 	{ USB_DEVICE_WACOM(0x30E) },
4827 	{ USB_DEVICE_WACOM(0x314) },
4828 	{ USB_DEVICE_WACOM(0x315) },
4829 	{ USB_DEVICE_WACOM(0x317) },
4830 	{ USB_DEVICE_WACOM(0x318) },
4831 	{ USB_DEVICE_WACOM(0x319) },
4832 	{ USB_DEVICE_WACOM(0x323) },
4833 	{ USB_DEVICE_WACOM(0x325) },
4834 	{ USB_DEVICE_WACOM(0x326) },
4835 	{ USB_DEVICE_WACOM(0x32A) },
4836 	{ USB_DEVICE_WACOM(0x32B) },
4837 	{ USB_DEVICE_WACOM(0x32C) },
4838 	{ USB_DEVICE_WACOM(0x32F) },
4839 	{ USB_DEVICE_WACOM(0x331) },
4840 	{ USB_DEVICE_WACOM(0x333) },
4841 	{ USB_DEVICE_WACOM(0x335) },
4842 	{ USB_DEVICE_WACOM(0x336) },
4843 	{ USB_DEVICE_WACOM(0x33B) },
4844 	{ USB_DEVICE_WACOM(0x33C) },
4845 	{ USB_DEVICE_WACOM(0x33D) },
4846 	{ USB_DEVICE_WACOM(0x33E) },
4847 	{ USB_DEVICE_WACOM(0x343) },
4848 	{ BT_DEVICE_WACOM(0x360) },
4849 	{ BT_DEVICE_WACOM(0x361) },
4850 	{ BT_DEVICE_WACOM(0x377) },
4851 	{ BT_DEVICE_WACOM(0x379) },
4852 	{ USB_DEVICE_WACOM(0x37A) },
4853 	{ USB_DEVICE_WACOM(0x37B) },
4854 	{ BT_DEVICE_WACOM(0x393) },
4855 	{ USB_DEVICE_WACOM(0x4001) },
4856 	{ USB_DEVICE_WACOM(0x4004) },
4857 	{ USB_DEVICE_WACOM(0x5000) },
4858 	{ USB_DEVICE_WACOM(0x5002) },
4859 	{ USB_DEVICE_LENOVO(0x6004) },
4860 
4861 	{ USB_DEVICE_WACOM(HID_ANY_ID) },
4862 	{ I2C_DEVICE_WACOM(HID_ANY_ID) },
4863 	{ BT_DEVICE_WACOM(HID_ANY_ID) },
4864 	{ }
4865 };
4866 MODULE_DEVICE_TABLE(hid, wacom_ids);
4867