xref: /linux/drivers/hid/wacom_wac.c (revision c5d3cdad688ed75fb311a3a671eb30ba7106d7d3)
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 	unsigned 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 	bool wrench = false, keyboard = false, mute_touch = false, menu = false,
487 	     info = false;
488 
489 	/* pad packets. Works as a second tool and is always in prox */
490 	if (!(data[0] == WACOM_REPORT_INTUOSPAD || data[0] == WACOM_REPORT_INTUOS5PAD ||
491 	      data[0] == WACOM_REPORT_CINTIQPAD))
492 		return 0;
493 
494 	if (features->type >= INTUOS4S && features->type <= INTUOS4L) {
495 		buttons = (data[3] << 1) | (data[2] & 0x01);
496 		ring1 = data[1];
497 	} else if (features->type == DTK) {
498 		buttons = data[6];
499 	} else if (features->type == WACOM_13HD) {
500 		buttons = (data[4] << 1) | (data[3] & 0x01);
501 	} else if (features->type == WACOM_24HD) {
502 		buttons = (data[8] << 8) | data[6];
503 		ring1 = data[1];
504 		ring2 = data[2];
505 
506 		/*
507 		 * Three "buttons" are available on the 24HD which are
508 		 * physically implemented as a touchstrip. Each button
509 		 * is approximately 3 bits wide with a 2 bit spacing.
510 		 * The raw touchstrip bits are stored at:
511 		 *    ((data[3] & 0x1f) << 8) | data[4])
512 		 */
513 		nkeys = 3;
514 		keys = ((data[3] & 0x1C) ? 1<<2 : 0) |
515 		       ((data[4] & 0xE0) ? 1<<1 : 0) |
516 		       ((data[4] & 0x07) ? 1<<0 : 0);
517 		keyboard = !!(data[4] & 0xE0);
518 		info = !!(data[3] & 0x1C);
519 
520 		if (features->oPid) {
521 			mute_touch = !!(data[4] & 0x07);
522 			if (mute_touch)
523 				wacom->shared->is_touch_on =
524 					!wacom->shared->is_touch_on;
525 		} else {
526 			wrench = !!(data[4] & 0x07);
527 		}
528 	} else if (features->type == WACOM_27QHD) {
529 		nkeys = 3;
530 		keys = data[2] & 0x07;
531 
532 		wrench = !!(data[2] & 0x01);
533 		keyboard = !!(data[2] & 0x02);
534 
535 		if (features->oPid) {
536 			mute_touch = !!(data[2] & 0x04);
537 			if (mute_touch)
538 				wacom->shared->is_touch_on =
539 					!wacom->shared->is_touch_on;
540 		} else {
541 			menu = !!(data[2] & 0x04);
542 		}
543 		input_report_abs(input, ABS_X, be16_to_cpup((__be16 *)&data[4]));
544 		input_report_abs(input, ABS_Y, be16_to_cpup((__be16 *)&data[6]));
545 		input_report_abs(input, ABS_Z, be16_to_cpup((__be16 *)&data[8]));
546 	} else if (features->type == CINTIQ_HYBRID) {
547 		/*
548 		 * Do not send hardware buttons under Android. They
549 		 * are already sent to the system through GPIO (and
550 		 * have different meaning).
551 		 *
552 		 * d-pad right  -> data[4] & 0x10
553 		 * d-pad up     -> data[4] & 0x20
554 		 * d-pad left   -> data[4] & 0x40
555 		 * d-pad down   -> data[4] & 0x80
556 		 * d-pad center -> data[3] & 0x01
557 		 */
558 		buttons = (data[4] << 1) | (data[3] & 0x01);
559 	} else if (features->type == CINTIQ_COMPANION_2) {
560 		/* d-pad right  -> data[2] & 0x10
561 		 * d-pad up     -> data[2] & 0x20
562 		 * d-pad left   -> data[2] & 0x40
563 		 * d-pad down   -> data[2] & 0x80
564 		 * d-pad center -> data[1] & 0x01
565 		 */
566 		buttons = ((data[2] >> 4) << 7) |
567 		          ((data[1] & 0x04) << 4) |
568 		          ((data[2] & 0x0F) << 2) |
569 		          (data[1] & 0x03);
570 	} else if (features->type >= INTUOS5S && features->type <= INTUOSPL) {
571 		/*
572 		 * ExpressKeys on Intuos5/Intuos Pro have a capacitive sensor in
573 		 * addition to the mechanical switch. Switch data is
574 		 * stored in data[4], capacitive data in data[5].
575 		 *
576 		 * Touch ring mode switch (data[3]) has no capacitive sensor
577 		 */
578 		buttons = (data[4] << 1) | (data[3] & 0x01);
579 		ring1 = data[2];
580 	} else {
581 		if (features->type == WACOM_21UX2 || features->type == WACOM_22HD) {
582 			buttons = (data[8] << 10) | ((data[7] & 0x01) << 9) |
583 			          (data[6] << 1) | (data[5] & 0x01);
584 
585 			if (features->type == WACOM_22HD) {
586 				nkeys = 3;
587 				keys = data[9] & 0x07;
588 
589 				info = !!(data[9] & 0x01);
590 				wrench = !!(data[9] & 0x02);
591 			}
592 		} else {
593 			buttons = ((data[6] & 0x10) << 5)  |
594 			          ((data[5] & 0x10) << 4)  |
595 			          ((data[6] & 0x0F) << 4)  |
596 			          (data[5] & 0x0F);
597 		}
598 		strip1 = ((data[1] & 0x1f) << 8) | data[2];
599 		strip2 = ((data[3] & 0x1f) << 8) | data[4];
600 	}
601 
602 	prox = (buttons & ~(~0U << nbuttons)) | (keys & ~(~0U << nkeys)) |
603 	       (ring1 & 0x80) | (ring2 & 0x80) | strip1 | strip2;
604 
605 	wacom_report_numbered_buttons(input, nbuttons, buttons);
606 
607 	for (i = 0; i < nkeys; i++)
608 		input_report_key(input, KEY_PROG1 + i, keys & (1 << i));
609 
610 	input_report_key(input, KEY_BUTTONCONFIG, wrench);
611 	input_report_key(input, KEY_ONSCREEN_KEYBOARD, keyboard);
612 	input_report_key(input, KEY_CONTROLPANEL, menu);
613 	input_report_key(input, KEY_INFO, info);
614 
615 	if (wacom->shared && wacom->shared->touch_input) {
616 		input_report_switch(wacom->shared->touch_input,
617 				    SW_MUTE_DEVICE,
618 				    !wacom->shared->is_touch_on);
619 		input_sync(wacom->shared->touch_input);
620 	}
621 
622 	input_report_abs(input, ABS_RX, strip1);
623 	input_report_abs(input, ABS_RY, strip2);
624 
625 	input_report_abs(input, ABS_WHEEL,    (ring1 & 0x80) ? (ring1 & 0x7f) : 0);
626 	input_report_abs(input, ABS_THROTTLE, (ring2 & 0x80) ? (ring2 & 0x7f) : 0);
627 
628 	input_report_key(input, wacom->tool[1], prox ? 1 : 0);
629 	input_report_abs(input, ABS_MISC, prox ? PAD_DEVICE_ID : 0);
630 
631 	input_event(input, EV_MSC, MSC_SERIAL, 0xffffffff);
632 
633 	return 1;
634 }
635 
636 static int wacom_intuos_id_mangle(int tool_id)
637 {
638 	return (tool_id & ~0xFFF) << 4 | (tool_id & 0xFFF);
639 }
640 
641 static int wacom_intuos_get_tool_type(int tool_id)
642 {
643 	int tool_type;
644 
645 	switch (tool_id) {
646 	case 0x812: /* Inking pen */
647 	case 0x801: /* Intuos3 Inking pen */
648 	case 0x12802: /* Intuos4/5 Inking Pen */
649 	case 0x012:
650 		tool_type = BTN_TOOL_PENCIL;
651 		break;
652 
653 	case 0x822: /* Pen */
654 	case 0x842:
655 	case 0x852:
656 	case 0x823: /* Intuos3 Grip Pen */
657 	case 0x813: /* Intuos3 Classic Pen */
658 	case 0x885: /* Intuos3 Marker Pen */
659 	case 0x802: /* Intuos4/5 13HD/24HD General Pen */
660 	case 0x804: /* Intuos4/5 13HD/24HD Marker Pen */
661 	case 0x8e2: /* IntuosHT2 pen */
662 	case 0x022:
663 	case 0x10804: /* Intuos4/5 13HD/24HD Art Pen */
664 	case 0x10842: /* MobileStudio Pro Pro Pen slim */
665 	case 0x14802: /* Intuos4/5 13HD/24HD Classic Pen */
666 	case 0x16802: /* Cintiq 13HD Pro Pen */
667 	case 0x18802: /* DTH2242 Pen */
668 	case 0x10802: /* Intuos4/5 13HD/24HD General Pen */
669 		tool_type = BTN_TOOL_PEN;
670 		break;
671 
672 	case 0x832: /* Stroke pen */
673 	case 0x032:
674 		tool_type = BTN_TOOL_BRUSH;
675 		break;
676 
677 	case 0x007: /* Mouse 4D and 2D */
678 	case 0x09c:
679 	case 0x094:
680 	case 0x017: /* Intuos3 2D Mouse */
681 	case 0x806: /* Intuos4 Mouse */
682 		tool_type = BTN_TOOL_MOUSE;
683 		break;
684 
685 	case 0x096: /* Lens cursor */
686 	case 0x097: /* Intuos3 Lens cursor */
687 	case 0x006: /* Intuos4 Lens cursor */
688 		tool_type = BTN_TOOL_LENS;
689 		break;
690 
691 	case 0x82a: /* Eraser */
692 	case 0x84a:
693 	case 0x85a:
694 	case 0x91a:
695 	case 0xd1a:
696 	case 0x0fa:
697 	case 0x82b: /* Intuos3 Grip Pen Eraser */
698 	case 0x81b: /* Intuos3 Classic Pen Eraser */
699 	case 0x91b: /* Intuos3 Airbrush Eraser */
700 	case 0x80c: /* Intuos4/5 13HD/24HD Marker Pen Eraser */
701 	case 0x80a: /* Intuos4/5 13HD/24HD General Pen Eraser */
702 	case 0x90a: /* Intuos4/5 13HD/24HD Airbrush Eraser */
703 	case 0x1480a: /* Intuos4/5 13HD/24HD Classic Pen Eraser */
704 	case 0x1090a: /* Intuos4/5 13HD/24HD Airbrush Eraser */
705 	case 0x1080c: /* Intuos4/5 13HD/24HD Art Pen Eraser */
706 	case 0x1084a: /* MobileStudio Pro Pro Pen slim Eraser */
707 	case 0x1680a: /* Cintiq 13HD Pro Pen Eraser */
708 	case 0x1880a: /* DTH2242 Eraser */
709 	case 0x1080a: /* Intuos4/5 13HD/24HD General Pen Eraser */
710 		tool_type = BTN_TOOL_RUBBER;
711 		break;
712 
713 	case 0xd12:
714 	case 0x912:
715 	case 0x112:
716 	case 0x913: /* Intuos3 Airbrush */
717 	case 0x902: /* Intuos4/5 13HD/24HD Airbrush */
718 	case 0x10902: /* Intuos4/5 13HD/24HD Airbrush */
719 		tool_type = BTN_TOOL_AIRBRUSH;
720 		break;
721 
722 	default: /* Unknown tool */
723 		tool_type = BTN_TOOL_PEN;
724 		break;
725 	}
726 	return tool_type;
727 }
728 
729 static void wacom_exit_report(struct wacom_wac *wacom)
730 {
731 	struct input_dev *input = wacom->pen_input;
732 	struct wacom_features *features = &wacom->features;
733 	unsigned char *data = wacom->data;
734 	int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
735 
736 	/*
737 	 * Reset all states otherwise we lose the initial states
738 	 * when in-prox next time
739 	 */
740 	input_report_abs(input, ABS_X, 0);
741 	input_report_abs(input, ABS_Y, 0);
742 	input_report_abs(input, ABS_DISTANCE, 0);
743 	input_report_abs(input, ABS_TILT_X, 0);
744 	input_report_abs(input, ABS_TILT_Y, 0);
745 	if (wacom->tool[idx] >= BTN_TOOL_MOUSE) {
746 		input_report_key(input, BTN_LEFT, 0);
747 		input_report_key(input, BTN_MIDDLE, 0);
748 		input_report_key(input, BTN_RIGHT, 0);
749 		input_report_key(input, BTN_SIDE, 0);
750 		input_report_key(input, BTN_EXTRA, 0);
751 		input_report_abs(input, ABS_THROTTLE, 0);
752 		input_report_abs(input, ABS_RZ, 0);
753 	} else {
754 		input_report_abs(input, ABS_PRESSURE, 0);
755 		input_report_key(input, BTN_STYLUS, 0);
756 		input_report_key(input, BTN_STYLUS2, 0);
757 		input_report_key(input, BTN_TOUCH, 0);
758 		input_report_abs(input, ABS_WHEEL, 0);
759 		if (features->type >= INTUOS3S)
760 			input_report_abs(input, ABS_Z, 0);
761 	}
762 	input_report_key(input, wacom->tool[idx], 0);
763 	input_report_abs(input, ABS_MISC, 0); /* reset tool id */
764 	input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
765 	wacom->id[idx] = 0;
766 }
767 
768 static int wacom_intuos_inout(struct wacom_wac *wacom)
769 {
770 	struct wacom_features *features = &wacom->features;
771 	unsigned char *data = wacom->data;
772 	struct input_dev *input = wacom->pen_input;
773 	int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
774 
775 	if (!(((data[1] & 0xfc) == 0xc0) ||  /* in prox */
776 	    ((data[1] & 0xfe) == 0x20) ||    /* in range */
777 	    ((data[1] & 0xfe) == 0x80)))     /* out prox */
778 		return 0;
779 
780 	/* Enter report */
781 	if ((data[1] & 0xfc) == 0xc0) {
782 		/* serial number of the tool */
783 		wacom->serial[idx] = ((data[3] & 0x0f) << 28) +
784 			(data[4] << 20) + (data[5] << 12) +
785 			(data[6] << 4) + (data[7] >> 4);
786 
787 		wacom->id[idx] = (data[2] << 4) | (data[3] >> 4) |
788 		     ((data[7] & 0x0f) << 16) | ((data[8] & 0xf0) << 8);
789 
790 		wacom->tool[idx] = wacom_intuos_get_tool_type(wacom->id[idx]);
791 
792 		wacom->shared->stylus_in_proximity = true;
793 		return 1;
794 	}
795 
796 	/* in Range */
797 	if ((data[1] & 0xfe) == 0x20) {
798 		if (features->type != INTUOSHT2)
799 			wacom->shared->stylus_in_proximity = true;
800 
801 		/* in Range while exiting */
802 		if (wacom->reporting_data) {
803 			input_report_key(input, BTN_TOUCH, 0);
804 			input_report_abs(input, ABS_PRESSURE, 0);
805 			input_report_abs(input, ABS_DISTANCE, wacom->features.distance_max);
806 			return 2;
807 		}
808 		return 1;
809 	}
810 
811 	/* Exit report */
812 	if ((data[1] & 0xfe) == 0x80) {
813 		wacom->shared->stylus_in_proximity = false;
814 		wacom->reporting_data = false;
815 
816 		/* don't report exit if we don't know the ID */
817 		if (!wacom->id[idx])
818 			return 1;
819 
820 		wacom_exit_report(wacom);
821 		return 2;
822 	}
823 
824 	return 0;
825 }
826 
827 static inline bool report_touch_events(struct wacom_wac *wacom)
828 {
829 	return (touch_arbitration ? !wacom->shared->stylus_in_proximity : 1);
830 }
831 
832 static inline bool delay_pen_events(struct wacom_wac *wacom)
833 {
834 	return (wacom->shared->touch_down && touch_arbitration);
835 }
836 
837 static int wacom_intuos_general(struct wacom_wac *wacom)
838 {
839 	struct wacom_features *features = &wacom->features;
840 	unsigned char *data = wacom->data;
841 	struct input_dev *input = wacom->pen_input;
842 	int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
843 	unsigned char type = (data[1] >> 1) & 0x0F;
844 	unsigned int x, y, distance, t;
845 
846 	if (data[0] != WACOM_REPORT_PENABLED && data[0] != WACOM_REPORT_CINTIQ &&
847 		data[0] != WACOM_REPORT_INTUOS_PEN)
848 		return 0;
849 
850 	if (delay_pen_events(wacom))
851 		return 1;
852 
853 	/* don't report events if we don't know the tool ID */
854 	if (!wacom->id[idx]) {
855 		/* but reschedule a read of the current tool */
856 		wacom_intuos_schedule_prox_event(wacom);
857 		return 1;
858 	}
859 
860 	/*
861 	 * don't report events for invalid data
862 	 */
863 	/* older I4 styli don't work with new Cintiqs */
864 	if ((!((wacom->id[idx] >> 16) & 0x01) &&
865 			(features->type == WACOM_21UX2)) ||
866 	    /* Only large Intuos support Lense Cursor */
867 	    (wacom->tool[idx] == BTN_TOOL_LENS &&
868 		(features->type == INTUOS3 ||
869 		 features->type == INTUOS3S ||
870 		 features->type == INTUOS4 ||
871 		 features->type == INTUOS4S ||
872 		 features->type == INTUOS5 ||
873 		 features->type == INTUOS5S ||
874 		 features->type == INTUOSPM ||
875 		 features->type == INTUOSPS)) ||
876 	   /* Cintiq doesn't send data when RDY bit isn't set */
877 	   (features->type == CINTIQ && !(data[1] & 0x40)))
878 		return 1;
879 
880 	x = (be16_to_cpup((__be16 *)&data[2]) << 1) | ((data[9] >> 1) & 1);
881 	y = (be16_to_cpup((__be16 *)&data[4]) << 1) | (data[9] & 1);
882 	distance = data[9] >> 2;
883 	if (features->type < INTUOS3S) {
884 		x >>= 1;
885 		y >>= 1;
886 		distance >>= 1;
887 	}
888 	if (features->type == INTUOSHT2)
889 		distance = features->distance_max - distance;
890 	input_report_abs(input, ABS_X, x);
891 	input_report_abs(input, ABS_Y, y);
892 	input_report_abs(input, ABS_DISTANCE, distance);
893 
894 	switch (type) {
895 	case 0x00:
896 	case 0x01:
897 	case 0x02:
898 	case 0x03:
899 		/* general pen packet */
900 		t = (data[6] << 3) | ((data[7] & 0xC0) >> 5) | (data[1] & 1);
901 		if (features->pressure_max < 2047)
902 			t >>= 1;
903 		input_report_abs(input, ABS_PRESSURE, t);
904 		if (features->type != INTUOSHT2) {
905 		    input_report_abs(input, ABS_TILT_X,
906 				 (((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
907 		    input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
908 		}
909 		input_report_key(input, BTN_STYLUS, data[1] & 2);
910 		input_report_key(input, BTN_STYLUS2, data[1] & 4);
911 		input_report_key(input, BTN_TOUCH, t > 10);
912 		break;
913 
914 	case 0x0a:
915 		/* airbrush second packet */
916 		input_report_abs(input, ABS_WHEEL,
917 				(data[6] << 2) | ((data[7] >> 6) & 3));
918 		input_report_abs(input, ABS_TILT_X,
919 				 (((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
920 		input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
921 		break;
922 
923 	case 0x05:
924 		/* Rotation packet */
925 		if (features->type >= INTUOS3S) {
926 			/* I3 marker pen rotation */
927 			t = (data[6] << 3) | ((data[7] >> 5) & 7);
928 			t = (data[7] & 0x20) ? ((t > 900) ? ((t-1) / 2 - 1350) :
929 				((t-1) / 2 + 450)) : (450 - t / 2) ;
930 			input_report_abs(input, ABS_Z, t);
931 		} else {
932 			/* 4D mouse 2nd packet */
933 			t = (data[6] << 3) | ((data[7] >> 5) & 7);
934 			input_report_abs(input, ABS_RZ, (data[7] & 0x20) ?
935 				((t - 1) / 2) : -t / 2);
936 		}
937 		break;
938 
939 	case 0x04:
940 		/* 4D mouse 1st packet */
941 		input_report_key(input, BTN_LEFT,   data[8] & 0x01);
942 		input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
943 		input_report_key(input, BTN_RIGHT,  data[8] & 0x04);
944 
945 		input_report_key(input, BTN_SIDE,   data[8] & 0x20);
946 		input_report_key(input, BTN_EXTRA,  data[8] & 0x10);
947 		t = (data[6] << 2) | ((data[7] >> 6) & 3);
948 		input_report_abs(input, ABS_THROTTLE, (data[8] & 0x08) ? -t : t);
949 		break;
950 
951 	case 0x06:
952 		/* I4 mouse */
953 		input_report_key(input, BTN_LEFT,   data[6] & 0x01);
954 		input_report_key(input, BTN_MIDDLE, data[6] & 0x02);
955 		input_report_key(input, BTN_RIGHT,  data[6] & 0x04);
956 		input_report_rel(input, REL_WHEEL, ((data[7] & 0x80) >> 7)
957 				 - ((data[7] & 0x40) >> 6));
958 		input_report_key(input, BTN_SIDE,   data[6] & 0x08);
959 		input_report_key(input, BTN_EXTRA,  data[6] & 0x10);
960 
961 		input_report_abs(input, ABS_TILT_X,
962 			(((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
963 		input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
964 		break;
965 
966 	case 0x08:
967 		if (wacom->tool[idx] == BTN_TOOL_MOUSE) {
968 			/* 2D mouse packet */
969 			input_report_key(input, BTN_LEFT,   data[8] & 0x04);
970 			input_report_key(input, BTN_MIDDLE, data[8] & 0x08);
971 			input_report_key(input, BTN_RIGHT,  data[8] & 0x10);
972 			input_report_rel(input, REL_WHEEL, (data[8] & 0x01)
973 					 - ((data[8] & 0x02) >> 1));
974 
975 			/* I3 2D mouse side buttons */
976 			if (features->type >= INTUOS3S && features->type <= INTUOS3L) {
977 				input_report_key(input, BTN_SIDE,   data[8] & 0x40);
978 				input_report_key(input, BTN_EXTRA,  data[8] & 0x20);
979 			}
980 		}
981 		else if (wacom->tool[idx] == BTN_TOOL_LENS) {
982 			/* Lens cursor packets */
983 			input_report_key(input, BTN_LEFT,   data[8] & 0x01);
984 			input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
985 			input_report_key(input, BTN_RIGHT,  data[8] & 0x04);
986 			input_report_key(input, BTN_SIDE,   data[8] & 0x10);
987 			input_report_key(input, BTN_EXTRA,  data[8] & 0x08);
988 		}
989 		break;
990 
991 	case 0x07:
992 	case 0x09:
993 	case 0x0b:
994 	case 0x0c:
995 	case 0x0d:
996 	case 0x0e:
997 	case 0x0f:
998 		/* unhandled */
999 		break;
1000 	}
1001 
1002 	input_report_abs(input, ABS_MISC,
1003 			 wacom_intuos_id_mangle(wacom->id[idx])); /* report tool id */
1004 	input_report_key(input, wacom->tool[idx], 1);
1005 	input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
1006 	wacom->reporting_data = true;
1007 	return 2;
1008 }
1009 
1010 static int wacom_intuos_irq(struct wacom_wac *wacom)
1011 {
1012 	unsigned char *data = wacom->data;
1013 	struct input_dev *input = wacom->pen_input;
1014 	int result;
1015 
1016 	if (data[0] != WACOM_REPORT_PENABLED &&
1017 	    data[0] != WACOM_REPORT_INTUOS_ID1 &&
1018 	    data[0] != WACOM_REPORT_INTUOS_ID2 &&
1019 	    data[0] != WACOM_REPORT_INTUOSPAD &&
1020 	    data[0] != WACOM_REPORT_INTUOS_PEN &&
1021 	    data[0] != WACOM_REPORT_CINTIQ &&
1022 	    data[0] != WACOM_REPORT_CINTIQPAD &&
1023 	    data[0] != WACOM_REPORT_INTUOS5PAD) {
1024 		dev_dbg(input->dev.parent,
1025 			"%s: received unknown report #%d\n", __func__, data[0]);
1026                 return 0;
1027 	}
1028 
1029 	/* process pad events */
1030 	result = wacom_intuos_pad(wacom);
1031 	if (result)
1032 		return result;
1033 
1034 	/* process in/out prox events */
1035 	result = wacom_intuos_inout(wacom);
1036 	if (result)
1037 		return result - 1;
1038 
1039 	/* process general packets */
1040 	result = wacom_intuos_general(wacom);
1041 	if (result)
1042 		return result - 1;
1043 
1044 	return 0;
1045 }
1046 
1047 static int wacom_remote_irq(struct wacom_wac *wacom_wac, size_t len)
1048 {
1049 	unsigned char *data = wacom_wac->data;
1050 	struct input_dev *input;
1051 	struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
1052 	struct wacom_remote *remote = wacom->remote;
1053 	int bat_charging, bat_percent, touch_ring_mode;
1054 	__u32 serial;
1055 	int i, index = -1;
1056 	unsigned long flags;
1057 
1058 	if (data[0] != WACOM_REPORT_REMOTE) {
1059 		hid_dbg(wacom->hdev, "%s: received unknown report #%d",
1060 			__func__, data[0]);
1061 		return 0;
1062 	}
1063 
1064 	serial = data[3] + (data[4] << 8) + (data[5] << 16);
1065 	wacom_wac->id[0] = PAD_DEVICE_ID;
1066 
1067 	spin_lock_irqsave(&remote->remote_lock, flags);
1068 
1069 	for (i = 0; i < WACOM_MAX_REMOTES; i++) {
1070 		if (remote->remotes[i].serial == serial) {
1071 			index = i;
1072 			break;
1073 		}
1074 	}
1075 
1076 	if (index < 0 || !remote->remotes[index].registered)
1077 		goto out;
1078 
1079 	input = remote->remotes[index].input;
1080 
1081 	input_report_key(input, BTN_0, (data[9] & 0x01));
1082 	input_report_key(input, BTN_1, (data[9] & 0x02));
1083 	input_report_key(input, BTN_2, (data[9] & 0x04));
1084 	input_report_key(input, BTN_3, (data[9] & 0x08));
1085 	input_report_key(input, BTN_4, (data[9] & 0x10));
1086 	input_report_key(input, BTN_5, (data[9] & 0x20));
1087 	input_report_key(input, BTN_6, (data[9] & 0x40));
1088 	input_report_key(input, BTN_7, (data[9] & 0x80));
1089 
1090 	input_report_key(input, BTN_8, (data[10] & 0x01));
1091 	input_report_key(input, BTN_9, (data[10] & 0x02));
1092 	input_report_key(input, BTN_A, (data[10] & 0x04));
1093 	input_report_key(input, BTN_B, (data[10] & 0x08));
1094 	input_report_key(input, BTN_C, (data[10] & 0x10));
1095 	input_report_key(input, BTN_X, (data[10] & 0x20));
1096 	input_report_key(input, BTN_Y, (data[10] & 0x40));
1097 	input_report_key(input, BTN_Z, (data[10] & 0x80));
1098 
1099 	input_report_key(input, BTN_BASE, (data[11] & 0x01));
1100 	input_report_key(input, BTN_BASE2, (data[11] & 0x02));
1101 
1102 	if (data[12] & 0x80)
1103 		input_report_abs(input, ABS_WHEEL, (data[12] & 0x7f) - 1);
1104 	else
1105 		input_report_abs(input, ABS_WHEEL, 0);
1106 
1107 	bat_percent = data[7] & 0x7f;
1108 	bat_charging = !!(data[7] & 0x80);
1109 
1110 	if (data[9] | data[10] | (data[11] & 0x03) | data[12])
1111 		input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
1112 	else
1113 		input_report_abs(input, ABS_MISC, 0);
1114 
1115 	input_event(input, EV_MSC, MSC_SERIAL, serial);
1116 
1117 	input_sync(input);
1118 
1119 	/*Which mode select (LED light) is currently on?*/
1120 	touch_ring_mode = (data[11] & 0xC0) >> 6;
1121 
1122 	for (i = 0; i < WACOM_MAX_REMOTES; i++) {
1123 		if (remote->remotes[i].serial == serial)
1124 			wacom->led.groups[i].select = touch_ring_mode;
1125 	}
1126 
1127 	__wacom_notify_battery(&remote->remotes[index].battery,
1128 				WACOM_POWER_SUPPLY_STATUS_AUTO, bat_percent,
1129 				bat_charging, 1, bat_charging);
1130 
1131 out:
1132 	spin_unlock_irqrestore(&remote->remote_lock, flags);
1133 	return 0;
1134 }
1135 
1136 static void wacom_remote_status_irq(struct wacom_wac *wacom_wac, size_t len)
1137 {
1138 	struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
1139 	unsigned char *data = wacom_wac->data;
1140 	struct wacom_remote *remote = wacom->remote;
1141 	struct wacom_remote_data remote_data;
1142 	unsigned long flags;
1143 	int i, ret;
1144 
1145 	if (data[0] != WACOM_REPORT_DEVICE_LIST)
1146 		return;
1147 
1148 	memset(&remote_data, 0, sizeof(struct wacom_remote_data));
1149 
1150 	for (i = 0; i < WACOM_MAX_REMOTES; i++) {
1151 		int j = i * 6;
1152 		int serial = (data[j+6] << 16) + (data[j+5] << 8) + data[j+4];
1153 		bool connected = data[j+2];
1154 
1155 		remote_data.remote[i].serial = serial;
1156 		remote_data.remote[i].connected = connected;
1157 	}
1158 
1159 	spin_lock_irqsave(&remote->remote_lock, flags);
1160 
1161 	ret = kfifo_in(&remote->remote_fifo, &remote_data, sizeof(remote_data));
1162 	if (ret != sizeof(remote_data)) {
1163 		spin_unlock_irqrestore(&remote->remote_lock, flags);
1164 		hid_err(wacom->hdev, "Can't queue Remote status event.\n");
1165 		return;
1166 	}
1167 
1168 	spin_unlock_irqrestore(&remote->remote_lock, flags);
1169 
1170 	wacom_schedule_work(wacom_wac, WACOM_WORKER_REMOTE);
1171 }
1172 
1173 static int int_dist(int x1, int y1, int x2, int y2)
1174 {
1175 	int x = x2 - x1;
1176 	int y = y2 - y1;
1177 
1178 	return int_sqrt(x*x + y*y);
1179 }
1180 
1181 static void wacom_intuos_bt_process_data(struct wacom_wac *wacom,
1182 		unsigned char *data)
1183 {
1184 	memcpy(wacom->data, data, 10);
1185 	wacom_intuos_irq(wacom);
1186 
1187 	input_sync(wacom->pen_input);
1188 	if (wacom->pad_input)
1189 		input_sync(wacom->pad_input);
1190 }
1191 
1192 static int wacom_intuos_bt_irq(struct wacom_wac *wacom, size_t len)
1193 {
1194 	unsigned char data[WACOM_PKGLEN_MAX];
1195 	int i = 1;
1196 	unsigned power_raw, battery_capacity, bat_charging, ps_connected;
1197 
1198 	memcpy(data, wacom->data, len);
1199 
1200 	switch (data[0]) {
1201 	case 0x04:
1202 		wacom_intuos_bt_process_data(wacom, data + i);
1203 		i += 10;
1204 		/* fall through */
1205 	case 0x03:
1206 		wacom_intuos_bt_process_data(wacom, data + i);
1207 		i += 10;
1208 		wacom_intuos_bt_process_data(wacom, data + i);
1209 		i += 10;
1210 		power_raw = data[i];
1211 		bat_charging = (power_raw & 0x08) ? 1 : 0;
1212 		ps_connected = (power_raw & 0x10) ? 1 : 0;
1213 		battery_capacity = batcap_i4[power_raw & 0x07];
1214 		wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
1215 				     battery_capacity, bat_charging,
1216 				     battery_capacity || bat_charging,
1217 				     ps_connected);
1218 		break;
1219 	default:
1220 		dev_dbg(wacom->pen_input->dev.parent,
1221 				"Unknown report: %d,%d size:%zu\n",
1222 				data[0], data[1], len);
1223 		return 0;
1224 	}
1225 	return 0;
1226 }
1227 
1228 static int wacom_wac_finger_count_touches(struct wacom_wac *wacom)
1229 {
1230 	struct input_dev *input = wacom->touch_input;
1231 	unsigned touch_max = wacom->features.touch_max;
1232 	int count = 0;
1233 	int i;
1234 
1235 	if (!touch_max)
1236 		return 0;
1237 
1238 	if (touch_max == 1)
1239 		return test_bit(BTN_TOUCH, input->key) &&
1240 			report_touch_events(wacom);
1241 
1242 	for (i = 0; i < input->mt->num_slots; i++) {
1243 		struct input_mt_slot *ps = &input->mt->slots[i];
1244 		int id = input_mt_get_value(ps, ABS_MT_TRACKING_ID);
1245 		if (id >= 0)
1246 			count++;
1247 	}
1248 
1249 	return count;
1250 }
1251 
1252 static void wacom_intuos_pro2_bt_pen(struct wacom_wac *wacom)
1253 {
1254 	int pen_frame_len, pen_frames;
1255 
1256 	struct input_dev *pen_input = wacom->pen_input;
1257 	unsigned char *data = wacom->data;
1258 	int i;
1259 
1260 	if (wacom->features.type == INTUOSP2_BT ||
1261 	    wacom->features.type == INTUOSP2S_BT) {
1262 		wacom->serial[0] = get_unaligned_le64(&data[99]);
1263 		wacom->id[0]     = get_unaligned_le16(&data[107]);
1264 		pen_frame_len = 14;
1265 		pen_frames = 7;
1266 	} else {
1267 		wacom->serial[0] = get_unaligned_le64(&data[33]);
1268 		wacom->id[0]     = get_unaligned_le16(&data[41]);
1269 		pen_frame_len = 8;
1270 		pen_frames = 4;
1271 	}
1272 
1273 	if (wacom->serial[0] >> 52 == 1) {
1274 		/* Add back in missing bits of ID for non-USI pens */
1275 		wacom->id[0] |= (wacom->serial[0] >> 32) & 0xFFFFF;
1276 	}
1277 
1278 	for (i = 0; i < pen_frames; i++) {
1279 		unsigned char *frame = &data[i*pen_frame_len + 1];
1280 		bool valid = frame[0] & 0x80;
1281 		bool prox = frame[0] & 0x40;
1282 		bool range = frame[0] & 0x20;
1283 		bool invert = frame[0] & 0x10;
1284 
1285 		if (!valid)
1286 			continue;
1287 
1288 		if (!prox) {
1289 			wacom->shared->stylus_in_proximity = false;
1290 			wacom_exit_report(wacom);
1291 			input_sync(pen_input);
1292 
1293 			wacom->tool[0] = 0;
1294 			wacom->id[0] = 0;
1295 			wacom->serial[0] = 0;
1296 			return;
1297 		}
1298 
1299 		if (range) {
1300 			if (!wacom->tool[0]) { /* first in range */
1301 				/* Going into range select tool */
1302 				if (invert)
1303 					wacom->tool[0] = BTN_TOOL_RUBBER;
1304 				else if (wacom->id[0])
1305 					wacom->tool[0] = wacom_intuos_get_tool_type(wacom->id[0]);
1306 				else
1307 					wacom->tool[0] = BTN_TOOL_PEN;
1308 			}
1309 
1310 			input_report_abs(pen_input, ABS_X, get_unaligned_le16(&frame[1]));
1311 			input_report_abs(pen_input, ABS_Y, get_unaligned_le16(&frame[3]));
1312 
1313 			if (wacom->features.type == INTUOSP2_BT ||
1314 			    wacom->features.type == INTUOSP2S_BT) {
1315 				/* Fix rotation alignment: userspace expects zero at left */
1316 				int16_t rotation =
1317 					(int16_t)get_unaligned_le16(&frame[9]);
1318 				rotation += 1800/4;
1319 
1320 				if (rotation > 899)
1321 					rotation -= 1800;
1322 
1323 				input_report_abs(pen_input, ABS_TILT_X,
1324 						 (char)frame[7]);
1325 				input_report_abs(pen_input, ABS_TILT_Y,
1326 						 (char)frame[8]);
1327 				input_report_abs(pen_input, ABS_Z, rotation);
1328 				input_report_abs(pen_input, ABS_WHEEL,
1329 						 get_unaligned_le16(&frame[11]));
1330 			}
1331 		}
1332 		if (wacom->tool[0]) {
1333 			input_report_abs(pen_input, ABS_PRESSURE, get_unaligned_le16(&frame[5]));
1334 			if (wacom->features.type == INTUOSP2_BT ||
1335 			    wacom->features.type == INTUOSP2S_BT) {
1336 				input_report_abs(pen_input, ABS_DISTANCE,
1337 						 range ? frame[13] : wacom->features.distance_max);
1338 			} else {
1339 				input_report_abs(pen_input, ABS_DISTANCE,
1340 						 range ? frame[7] : wacom->features.distance_max);
1341 			}
1342 
1343 			input_report_key(pen_input, BTN_TOUCH, frame[0] & 0x09);
1344 			input_report_key(pen_input, BTN_STYLUS, frame[0] & 0x02);
1345 			input_report_key(pen_input, BTN_STYLUS2, frame[0] & 0x04);
1346 
1347 			input_report_key(pen_input, wacom->tool[0], prox);
1348 			input_event(pen_input, EV_MSC, MSC_SERIAL, wacom->serial[0]);
1349 			input_report_abs(pen_input, ABS_MISC,
1350 					 wacom_intuos_id_mangle(wacom->id[0])); /* report tool id */
1351 		}
1352 
1353 		wacom->shared->stylus_in_proximity = prox;
1354 
1355 		input_sync(pen_input);
1356 	}
1357 }
1358 
1359 static void wacom_intuos_pro2_bt_touch(struct wacom_wac *wacom)
1360 {
1361 	const int finger_touch_len = 8;
1362 	const int finger_frames = 4;
1363 	const int finger_frame_len = 43;
1364 
1365 	struct input_dev *touch_input = wacom->touch_input;
1366 	unsigned char *data = wacom->data;
1367 	int num_contacts_left = 5;
1368 	int i, j;
1369 
1370 	for (i = 0; i < finger_frames; i++) {
1371 		unsigned char *frame = &data[i*finger_frame_len + 109];
1372 		int current_num_contacts = frame[0] & 0x7F;
1373 		int contacts_to_send;
1374 
1375 		if (!(frame[0] & 0x80))
1376 			continue;
1377 
1378 		/*
1379 		 * First packet resets the counter since only the first
1380 		 * packet in series will have non-zero current_num_contacts.
1381 		 */
1382 		if (current_num_contacts)
1383 			wacom->num_contacts_left = current_num_contacts;
1384 
1385 		contacts_to_send = min(num_contacts_left, wacom->num_contacts_left);
1386 
1387 		for (j = 0; j < contacts_to_send; j++) {
1388 			unsigned char *touch = &frame[j*finger_touch_len + 1];
1389 			int slot = input_mt_get_slot_by_key(touch_input, touch[0]);
1390 			int x = get_unaligned_le16(&touch[2]);
1391 			int y = get_unaligned_le16(&touch[4]);
1392 			int w = touch[6] * input_abs_get_res(touch_input, ABS_MT_POSITION_X);
1393 			int h = touch[7] * input_abs_get_res(touch_input, ABS_MT_POSITION_Y);
1394 
1395 			if (slot < 0)
1396 				continue;
1397 
1398 			input_mt_slot(touch_input, slot);
1399 			input_mt_report_slot_state(touch_input, MT_TOOL_FINGER, touch[1] & 0x01);
1400 			input_report_abs(touch_input, ABS_MT_POSITION_X, x);
1401 			input_report_abs(touch_input, ABS_MT_POSITION_Y, y);
1402 			input_report_abs(touch_input, ABS_MT_TOUCH_MAJOR, max(w, h));
1403 			input_report_abs(touch_input, ABS_MT_TOUCH_MINOR, min(w, h));
1404 			input_report_abs(touch_input, ABS_MT_ORIENTATION, w > h);
1405 		}
1406 
1407 		input_mt_sync_frame(touch_input);
1408 
1409 		wacom->num_contacts_left -= contacts_to_send;
1410 		if (wacom->num_contacts_left <= 0) {
1411 			wacom->num_contacts_left = 0;
1412 			wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1413 			input_sync(touch_input);
1414 		}
1415 	}
1416 
1417 	if (wacom->num_contacts_left == 0) {
1418 		// Be careful that we don't accidentally call input_sync with
1419 		// only a partial set of fingers of processed
1420 		input_report_switch(touch_input, SW_MUTE_DEVICE, !(data[281] >> 7));
1421 		input_sync(touch_input);
1422 	}
1423 
1424 }
1425 
1426 static void wacom_intuos_pro2_bt_pad(struct wacom_wac *wacom)
1427 {
1428 	struct input_dev *pad_input = wacom->pad_input;
1429 	unsigned char *data = wacom->data;
1430 
1431 	int buttons = data[282] | ((data[281] & 0x40) << 2);
1432 	int ring = data[285] & 0x7F;
1433 	bool ringstatus = data[285] & 0x80;
1434 	bool prox = buttons || ringstatus;
1435 
1436 	/* Fix touchring data: userspace expects 0 at left and increasing clockwise */
1437 	ring = 71 - ring;
1438 	ring += 3*72/16;
1439 	if (ring > 71)
1440 		ring -= 72;
1441 
1442 	wacom_report_numbered_buttons(pad_input, 9, buttons);
1443 
1444 	input_report_abs(pad_input, ABS_WHEEL, ringstatus ? ring : 0);
1445 
1446 	input_report_key(pad_input, wacom->tool[1], prox ? 1 : 0);
1447 	input_report_abs(pad_input, ABS_MISC, prox ? PAD_DEVICE_ID : 0);
1448 	input_event(pad_input, EV_MSC, MSC_SERIAL, 0xffffffff);
1449 
1450 	input_sync(pad_input);
1451 }
1452 
1453 static void wacom_intuos_pro2_bt_battery(struct wacom_wac *wacom)
1454 {
1455 	unsigned char *data = wacom->data;
1456 
1457 	bool chg = data[284] & 0x80;
1458 	int battery_status = data[284] & 0x7F;
1459 
1460 	wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
1461 			     battery_status, chg, 1, chg);
1462 }
1463 
1464 static void wacom_intuos_gen3_bt_pad(struct wacom_wac *wacom)
1465 {
1466 	struct input_dev *pad_input = wacom->pad_input;
1467 	unsigned char *data = wacom->data;
1468 
1469 	int buttons = data[44];
1470 
1471 	wacom_report_numbered_buttons(pad_input, 4, buttons);
1472 
1473 	input_report_key(pad_input, wacom->tool[1], buttons ? 1 : 0);
1474 	input_report_abs(pad_input, ABS_MISC, buttons ? PAD_DEVICE_ID : 0);
1475 	input_event(pad_input, EV_MSC, MSC_SERIAL, 0xffffffff);
1476 
1477 	input_sync(pad_input);
1478 }
1479 
1480 static void wacom_intuos_gen3_bt_battery(struct wacom_wac *wacom)
1481 {
1482 	unsigned char *data = wacom->data;
1483 
1484 	bool chg = data[45] & 0x80;
1485 	int battery_status = data[45] & 0x7F;
1486 
1487 	wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
1488 			     battery_status, chg, 1, chg);
1489 }
1490 
1491 static int wacom_intuos_pro2_bt_irq(struct wacom_wac *wacom, size_t len)
1492 {
1493 	unsigned char *data = wacom->data;
1494 
1495 	if (data[0] != 0x80 && data[0] != 0x81) {
1496 		dev_dbg(wacom->pen_input->dev.parent,
1497 			"%s: received unknown report #%d\n", __func__, data[0]);
1498 		return 0;
1499 	}
1500 
1501 	wacom_intuos_pro2_bt_pen(wacom);
1502 	if (wacom->features.type == INTUOSP2_BT ||
1503 	    wacom->features.type == INTUOSP2S_BT) {
1504 		wacom_intuos_pro2_bt_touch(wacom);
1505 		wacom_intuos_pro2_bt_pad(wacom);
1506 		wacom_intuos_pro2_bt_battery(wacom);
1507 	} else {
1508 		wacom_intuos_gen3_bt_pad(wacom);
1509 		wacom_intuos_gen3_bt_battery(wacom);
1510 	}
1511 	return 0;
1512 }
1513 
1514 static int wacom_24hdt_irq(struct wacom_wac *wacom)
1515 {
1516 	struct input_dev *input = wacom->touch_input;
1517 	unsigned char *data = wacom->data;
1518 	int i;
1519 	int current_num_contacts = data[61];
1520 	int contacts_to_send = 0;
1521 	int num_contacts_left = 4; /* maximum contacts per packet */
1522 	int byte_per_packet = WACOM_BYTES_PER_24HDT_PACKET;
1523 	int y_offset = 2;
1524 
1525 	if (wacom->shared->has_mute_touch_switch &&
1526 	    !wacom->shared->is_touch_on) {
1527 		if (!wacom->shared->touch_down)
1528 			return 0;
1529 	}
1530 
1531 	if (wacom->features.type == WACOM_27QHDT) {
1532 		current_num_contacts = data[63];
1533 		num_contacts_left = 10;
1534 		byte_per_packet = WACOM_BYTES_PER_QHDTHID_PACKET;
1535 		y_offset = 0;
1536 	}
1537 
1538 	/*
1539 	 * First packet resets the counter since only the first
1540 	 * packet in series will have non-zero current_num_contacts.
1541 	 */
1542 	if (current_num_contacts)
1543 		wacom->num_contacts_left = current_num_contacts;
1544 
1545 	contacts_to_send = min(num_contacts_left, wacom->num_contacts_left);
1546 
1547 	for (i = 0; i < contacts_to_send; i++) {
1548 		int offset = (byte_per_packet * i) + 1;
1549 		bool touch = (data[offset] & 0x1) && report_touch_events(wacom);
1550 		int slot = input_mt_get_slot_by_key(input, data[offset + 1]);
1551 
1552 		if (slot < 0)
1553 			continue;
1554 		input_mt_slot(input, slot);
1555 		input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1556 
1557 		if (touch) {
1558 			int t_x = get_unaligned_le16(&data[offset + 2]);
1559 			int t_y = get_unaligned_le16(&data[offset + 4 + y_offset]);
1560 
1561 			input_report_abs(input, ABS_MT_POSITION_X, t_x);
1562 			input_report_abs(input, ABS_MT_POSITION_Y, t_y);
1563 
1564 			if (wacom->features.type != WACOM_27QHDT) {
1565 				int c_x = get_unaligned_le16(&data[offset + 4]);
1566 				int c_y = get_unaligned_le16(&data[offset + 8]);
1567 				int w = get_unaligned_le16(&data[offset + 10]);
1568 				int h = get_unaligned_le16(&data[offset + 12]);
1569 
1570 				input_report_abs(input, ABS_MT_TOUCH_MAJOR, min(w,h));
1571 				input_report_abs(input, ABS_MT_WIDTH_MAJOR,
1572 						 min(w, h) + int_dist(t_x, t_y, c_x, c_y));
1573 				input_report_abs(input, ABS_MT_WIDTH_MINOR, min(w, h));
1574 				input_report_abs(input, ABS_MT_ORIENTATION, w > h);
1575 			}
1576 		}
1577 	}
1578 	input_mt_sync_frame(input);
1579 
1580 	wacom->num_contacts_left -= contacts_to_send;
1581 	if (wacom->num_contacts_left <= 0) {
1582 		wacom->num_contacts_left = 0;
1583 		wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1584 	}
1585 	return 1;
1586 }
1587 
1588 static int wacom_mt_touch(struct wacom_wac *wacom)
1589 {
1590 	struct input_dev *input = wacom->touch_input;
1591 	unsigned char *data = wacom->data;
1592 	int i;
1593 	int current_num_contacts = data[2];
1594 	int contacts_to_send = 0;
1595 	int x_offset = 0;
1596 
1597 	/* MTTPC does not support Height and Width */
1598 	if (wacom->features.type == MTTPC || wacom->features.type == MTTPC_B)
1599 		x_offset = -4;
1600 
1601 	/*
1602 	 * First packet resets the counter since only the first
1603 	 * packet in series will have non-zero current_num_contacts.
1604 	 */
1605 	if (current_num_contacts)
1606 		wacom->num_contacts_left = current_num_contacts;
1607 
1608 	/* There are at most 5 contacts per packet */
1609 	contacts_to_send = min(5, wacom->num_contacts_left);
1610 
1611 	for (i = 0; i < contacts_to_send; i++) {
1612 		int offset = (WACOM_BYTES_PER_MT_PACKET + x_offset) * i + 3;
1613 		bool touch = (data[offset] & 0x1) && report_touch_events(wacom);
1614 		int id = get_unaligned_le16(&data[offset + 1]);
1615 		int slot = input_mt_get_slot_by_key(input, id);
1616 
1617 		if (slot < 0)
1618 			continue;
1619 
1620 		input_mt_slot(input, slot);
1621 		input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1622 		if (touch) {
1623 			int x = get_unaligned_le16(&data[offset + x_offset + 7]);
1624 			int y = get_unaligned_le16(&data[offset + x_offset + 9]);
1625 			input_report_abs(input, ABS_MT_POSITION_X, x);
1626 			input_report_abs(input, ABS_MT_POSITION_Y, y);
1627 		}
1628 	}
1629 	input_mt_sync_frame(input);
1630 
1631 	wacom->num_contacts_left -= contacts_to_send;
1632 	if (wacom->num_contacts_left <= 0) {
1633 		wacom->num_contacts_left = 0;
1634 		wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1635 	}
1636 	return 1;
1637 }
1638 
1639 static int wacom_tpc_mt_touch(struct wacom_wac *wacom)
1640 {
1641 	struct input_dev *input = wacom->touch_input;
1642 	unsigned char *data = wacom->data;
1643 	int i;
1644 
1645 	for (i = 0; i < 2; i++) {
1646 		int p = data[1] & (1 << i);
1647 		bool touch = p && report_touch_events(wacom);
1648 
1649 		input_mt_slot(input, i);
1650 		input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1651 		if (touch) {
1652 			int x = le16_to_cpup((__le16 *)&data[i * 2 + 2]) & 0x7fff;
1653 			int y = le16_to_cpup((__le16 *)&data[i * 2 + 6]) & 0x7fff;
1654 
1655 			input_report_abs(input, ABS_MT_POSITION_X, x);
1656 			input_report_abs(input, ABS_MT_POSITION_Y, y);
1657 		}
1658 	}
1659 	input_mt_sync_frame(input);
1660 
1661 	/* keep touch state for pen event */
1662 	wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1663 
1664 	return 1;
1665 }
1666 
1667 static int wacom_tpc_single_touch(struct wacom_wac *wacom, size_t len)
1668 {
1669 	unsigned char *data = wacom->data;
1670 	struct input_dev *input = wacom->touch_input;
1671 	bool prox = report_touch_events(wacom);
1672 	int x = 0, y = 0;
1673 
1674 	if (wacom->features.touch_max > 1 || len > WACOM_PKGLEN_TPC2FG)
1675 		return 0;
1676 
1677 	if (len == WACOM_PKGLEN_TPC1FG) {
1678 		prox = prox && (data[0] & 0x01);
1679 		x = get_unaligned_le16(&data[1]);
1680 		y = get_unaligned_le16(&data[3]);
1681 	} else if (len == WACOM_PKGLEN_TPC1FG_B) {
1682 		prox = prox && (data[2] & 0x01);
1683 		x = get_unaligned_le16(&data[3]);
1684 		y = get_unaligned_le16(&data[5]);
1685 	} else {
1686 		prox = prox && (data[1] & 0x01);
1687 		x = le16_to_cpup((__le16 *)&data[2]);
1688 		y = le16_to_cpup((__le16 *)&data[4]);
1689 	}
1690 
1691 	if (prox) {
1692 		input_report_abs(input, ABS_X, x);
1693 		input_report_abs(input, ABS_Y, y);
1694 	}
1695 	input_report_key(input, BTN_TOUCH, prox);
1696 
1697 	/* keep touch state for pen events */
1698 	wacom->shared->touch_down = prox;
1699 
1700 	return 1;
1701 }
1702 
1703 static int wacom_tpc_pen(struct wacom_wac *wacom)
1704 {
1705 	unsigned char *data = wacom->data;
1706 	struct input_dev *input = wacom->pen_input;
1707 	bool prox = data[1] & 0x20;
1708 
1709 	if (!wacom->shared->stylus_in_proximity) /* first in prox */
1710 		/* Going into proximity select tool */
1711 		wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
1712 
1713 	/* keep pen state for touch events */
1714 	wacom->shared->stylus_in_proximity = prox;
1715 
1716 	/* send pen events only when touch is up or forced out
1717 	 * or touch arbitration is off
1718 	 */
1719 	if (!delay_pen_events(wacom)) {
1720 		input_report_key(input, BTN_STYLUS, data[1] & 0x02);
1721 		input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
1722 		input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
1723 		input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
1724 		input_report_abs(input, ABS_PRESSURE, ((data[7] & 0x07) << 8) | data[6]);
1725 		input_report_key(input, BTN_TOUCH, data[1] & 0x05);
1726 		input_report_key(input, wacom->tool[0], prox);
1727 		return 1;
1728 	}
1729 
1730 	return 0;
1731 }
1732 
1733 static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len)
1734 {
1735 	unsigned char *data = wacom->data;
1736 
1737 	if (wacom->pen_input) {
1738 		dev_dbg(wacom->pen_input->dev.parent,
1739 			"%s: received report #%d\n", __func__, data[0]);
1740 
1741 		if (len == WACOM_PKGLEN_PENABLED ||
1742 		    data[0] == WACOM_REPORT_PENABLED)
1743 			return wacom_tpc_pen(wacom);
1744 	}
1745 	else if (wacom->touch_input) {
1746 		dev_dbg(wacom->touch_input->dev.parent,
1747 			"%s: received report #%d\n", __func__, data[0]);
1748 
1749 		switch (len) {
1750 		case WACOM_PKGLEN_TPC1FG:
1751 			return wacom_tpc_single_touch(wacom, len);
1752 
1753 		case WACOM_PKGLEN_TPC2FG:
1754 			return wacom_tpc_mt_touch(wacom);
1755 
1756 		default:
1757 			switch (data[0]) {
1758 			case WACOM_REPORT_TPC1FG:
1759 			case WACOM_REPORT_TPCHID:
1760 			case WACOM_REPORT_TPCST:
1761 			case WACOM_REPORT_TPC1FGE:
1762 				return wacom_tpc_single_touch(wacom, len);
1763 
1764 			case WACOM_REPORT_TPCMT:
1765 			case WACOM_REPORT_TPCMT2:
1766 				return wacom_mt_touch(wacom);
1767 
1768 			}
1769 		}
1770 	}
1771 
1772 	return 0;
1773 }
1774 
1775 static int wacom_offset_rotation(struct input_dev *input, struct hid_usage *usage,
1776 				 int value, int num, int denom)
1777 {
1778 	struct input_absinfo *abs = &input->absinfo[usage->code];
1779 	int range = (abs->maximum - abs->minimum + 1);
1780 
1781 	value += num*range/denom;
1782 	if (value > abs->maximum)
1783 		value -= range;
1784 	else if (value < abs->minimum)
1785 		value += range;
1786 	return value;
1787 }
1788 
1789 int wacom_equivalent_usage(int usage)
1790 {
1791 	if ((usage & HID_USAGE_PAGE) == WACOM_HID_UP_WACOMDIGITIZER) {
1792 		int subpage = (usage & 0xFF00) << 8;
1793 		int subusage = (usage & 0xFF);
1794 
1795 		if (subpage == WACOM_HID_SP_PAD ||
1796 		    subpage == WACOM_HID_SP_BUTTON ||
1797 		    subpage == WACOM_HID_SP_DIGITIZER ||
1798 		    subpage == WACOM_HID_SP_DIGITIZERINFO ||
1799 		    usage == WACOM_HID_WD_SENSE ||
1800 		    usage == WACOM_HID_WD_SERIALHI ||
1801 		    usage == WACOM_HID_WD_TOOLTYPE ||
1802 		    usage == WACOM_HID_WD_DISTANCE ||
1803 		    usage == WACOM_HID_WD_TOUCHSTRIP ||
1804 		    usage == WACOM_HID_WD_TOUCHSTRIP2 ||
1805 		    usage == WACOM_HID_WD_TOUCHRING ||
1806 		    usage == WACOM_HID_WD_TOUCHRINGSTATUS ||
1807 		    usage == WACOM_HID_WD_REPORT_VALID) {
1808 			return usage;
1809 		}
1810 
1811 		if (subpage == HID_UP_UNDEFINED)
1812 			subpage = HID_UP_DIGITIZER;
1813 
1814 		return subpage | subusage;
1815 	}
1816 
1817 	if ((usage & HID_USAGE_PAGE) == WACOM_HID_UP_WACOMTOUCH) {
1818 		int subpage = (usage & 0xFF00) << 8;
1819 		int subusage = (usage & 0xFF);
1820 
1821 		if (usage == WACOM_HID_WT_REPORT_VALID)
1822 			return usage;
1823 
1824 		if (subpage == HID_UP_UNDEFINED)
1825 			subpage = WACOM_HID_SP_DIGITIZER;
1826 
1827 		return subpage | subusage;
1828 	}
1829 
1830 	return usage;
1831 }
1832 
1833 static void wacom_map_usage(struct input_dev *input, struct hid_usage *usage,
1834 		struct hid_field *field, __u8 type, __u16 code, int fuzz)
1835 {
1836 	struct wacom *wacom = input_get_drvdata(input);
1837 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1838 	struct wacom_features *features = &wacom_wac->features;
1839 	int fmin = field->logical_minimum;
1840 	int fmax = field->logical_maximum;
1841 	unsigned int equivalent_usage = wacom_equivalent_usage(usage->hid);
1842 	int resolution_code = code;
1843 
1844 	if (equivalent_usage == HID_DG_TWIST) {
1845 		resolution_code = ABS_RZ;
1846 	}
1847 
1848 	if (equivalent_usage == HID_GD_X) {
1849 		fmin += features->offset_left;
1850 		fmax -= features->offset_right;
1851 	}
1852 	if (equivalent_usage == HID_GD_Y) {
1853 		fmin += features->offset_top;
1854 		fmax -= features->offset_bottom;
1855 	}
1856 
1857 	usage->type = type;
1858 	usage->code = code;
1859 
1860 	set_bit(type, input->evbit);
1861 
1862 	switch (type) {
1863 	case EV_ABS:
1864 		input_set_abs_params(input, code, fmin, fmax, fuzz, 0);
1865 		input_abs_set_res(input, code,
1866 				  hidinput_calc_abs_res(field, resolution_code));
1867 		break;
1868 	case EV_KEY:
1869 		input_set_capability(input, EV_KEY, code);
1870 		break;
1871 	case EV_MSC:
1872 		input_set_capability(input, EV_MSC, code);
1873 		break;
1874 	case EV_SW:
1875 		input_set_capability(input, EV_SW, code);
1876 		break;
1877 	}
1878 }
1879 
1880 static void wacom_wac_battery_usage_mapping(struct hid_device *hdev,
1881 		struct hid_field *field, struct hid_usage *usage)
1882 {
1883 	struct wacom *wacom = hid_get_drvdata(hdev);
1884 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1885 	struct wacom_features *features = &wacom_wac->features;
1886 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1887 
1888 	switch (equivalent_usage) {
1889 	case HID_DG_BATTERYSTRENGTH:
1890 	case WACOM_HID_WD_BATTERY_LEVEL:
1891 	case WACOM_HID_WD_BATTERY_CHARGING:
1892 		features->quirks |= WACOM_QUIRK_BATTERY;
1893 		break;
1894 	}
1895 }
1896 
1897 static void wacom_wac_battery_event(struct hid_device *hdev, struct hid_field *field,
1898 		struct hid_usage *usage, __s32 value)
1899 {
1900 	struct wacom *wacom = hid_get_drvdata(hdev);
1901 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1902 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1903 
1904 	switch (equivalent_usage) {
1905 	case HID_DG_BATTERYSTRENGTH:
1906 		if (value == 0) {
1907 			wacom_wac->hid_data.bat_status = POWER_SUPPLY_STATUS_UNKNOWN;
1908 		}
1909 		else {
1910 			value = value * 100 / (field->logical_maximum - field->logical_minimum);
1911 			wacom_wac->hid_data.battery_capacity = value;
1912 			wacom_wac->hid_data.bat_connected = 1;
1913 			wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
1914 		}
1915 		break;
1916 	case WACOM_HID_WD_BATTERY_LEVEL:
1917 		value = value * 100 / (field->logical_maximum - field->logical_minimum);
1918 		wacom_wac->hid_data.battery_capacity = value;
1919 		wacom_wac->hid_data.bat_connected = 1;
1920 		wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
1921 		break;
1922 	case WACOM_HID_WD_BATTERY_CHARGING:
1923 		wacom_wac->hid_data.bat_charging = value;
1924 		wacom_wac->hid_data.ps_connected = value;
1925 		wacom_wac->hid_data.bat_connected = 1;
1926 		wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
1927 		break;
1928 	}
1929 }
1930 
1931 static void wacom_wac_battery_pre_report(struct hid_device *hdev,
1932 		struct hid_report *report)
1933 {
1934 	return;
1935 }
1936 
1937 static void wacom_wac_battery_report(struct hid_device *hdev,
1938 		struct hid_report *report)
1939 {
1940 	struct wacom *wacom = hid_get_drvdata(hdev);
1941 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1942 	struct wacom_features *features = &wacom_wac->features;
1943 
1944 	if (features->quirks & WACOM_QUIRK_BATTERY) {
1945 		int status = wacom_wac->hid_data.bat_status;
1946 		int capacity = wacom_wac->hid_data.battery_capacity;
1947 		bool charging = wacom_wac->hid_data.bat_charging;
1948 		bool connected = wacom_wac->hid_data.bat_connected;
1949 		bool powered = wacom_wac->hid_data.ps_connected;
1950 
1951 		wacom_notify_battery(wacom_wac, status, capacity, charging,
1952 				     connected, powered);
1953 	}
1954 }
1955 
1956 static void wacom_wac_pad_usage_mapping(struct hid_device *hdev,
1957 		struct hid_field *field, struct hid_usage *usage)
1958 {
1959 	struct wacom *wacom = hid_get_drvdata(hdev);
1960 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1961 	struct wacom_features *features = &wacom_wac->features;
1962 	struct input_dev *input = wacom_wac->pad_input;
1963 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1964 
1965 	switch (equivalent_usage) {
1966 	case WACOM_HID_WD_ACCELEROMETER_X:
1967 		__set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
1968 		wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 0);
1969 		features->device_type |= WACOM_DEVICETYPE_PAD;
1970 		break;
1971 	case WACOM_HID_WD_ACCELEROMETER_Y:
1972 		__set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
1973 		wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 0);
1974 		features->device_type |= WACOM_DEVICETYPE_PAD;
1975 		break;
1976 	case WACOM_HID_WD_ACCELEROMETER_Z:
1977 		__set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
1978 		wacom_map_usage(input, usage, field, EV_ABS, ABS_Z, 0);
1979 		features->device_type |= WACOM_DEVICETYPE_PAD;
1980 		break;
1981 	case WACOM_HID_WD_BUTTONCENTER:
1982 	case WACOM_HID_WD_BUTTONHOME:
1983 	case WACOM_HID_WD_BUTTONUP:
1984 	case WACOM_HID_WD_BUTTONDOWN:
1985 	case WACOM_HID_WD_BUTTONLEFT:
1986 	case WACOM_HID_WD_BUTTONRIGHT:
1987 		wacom_map_usage(input, usage, field, EV_KEY,
1988 				wacom_numbered_button_to_key(features->numbered_buttons),
1989 				0);
1990 		features->numbered_buttons++;
1991 		features->device_type |= WACOM_DEVICETYPE_PAD;
1992 		break;
1993 	case WACOM_HID_WD_TOUCHONOFF:
1994 	case WACOM_HID_WD_MUTE_DEVICE:
1995 		/*
1996 		 * This usage, which is used to mute touch events, comes
1997 		 * from the pad packet, but is reported on the touch
1998 		 * interface. Because the touch interface may not have
1999 		 * been created yet, we cannot call wacom_map_usage(). In
2000 		 * order to process this usage when we receive it, we set
2001 		 * the usage type and code directly.
2002 		 */
2003 		wacom_wac->has_mute_touch_switch = true;
2004 		usage->type = EV_SW;
2005 		usage->code = SW_MUTE_DEVICE;
2006 		features->device_type |= WACOM_DEVICETYPE_PAD;
2007 		break;
2008 	case WACOM_HID_WD_TOUCHSTRIP:
2009 		wacom_map_usage(input, usage, field, EV_ABS, ABS_RX, 0);
2010 		features->device_type |= WACOM_DEVICETYPE_PAD;
2011 		break;
2012 	case WACOM_HID_WD_TOUCHSTRIP2:
2013 		wacom_map_usage(input, usage, field, EV_ABS, ABS_RY, 0);
2014 		features->device_type |= WACOM_DEVICETYPE_PAD;
2015 		break;
2016 	case WACOM_HID_WD_TOUCHRING:
2017 		wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0);
2018 		features->device_type |= WACOM_DEVICETYPE_PAD;
2019 		break;
2020 	case WACOM_HID_WD_TOUCHRINGSTATUS:
2021 		/*
2022 		 * Only set up type/code association. Completely mapping
2023 		 * this usage may overwrite the axis resolution and range.
2024 		 */
2025 		usage->type = EV_ABS;
2026 		usage->code = ABS_WHEEL;
2027 		set_bit(EV_ABS, input->evbit);
2028 		features->device_type |= WACOM_DEVICETYPE_PAD;
2029 		break;
2030 	case WACOM_HID_WD_BUTTONCONFIG:
2031 		wacom_map_usage(input, usage, field, EV_KEY, KEY_BUTTONCONFIG, 0);
2032 		features->device_type |= WACOM_DEVICETYPE_PAD;
2033 		break;
2034 	case WACOM_HID_WD_ONSCREEN_KEYBOARD:
2035 		wacom_map_usage(input, usage, field, EV_KEY, KEY_ONSCREEN_KEYBOARD, 0);
2036 		features->device_type |= WACOM_DEVICETYPE_PAD;
2037 		break;
2038 	case WACOM_HID_WD_CONTROLPANEL:
2039 		wacom_map_usage(input, usage, field, EV_KEY, KEY_CONTROLPANEL, 0);
2040 		features->device_type |= WACOM_DEVICETYPE_PAD;
2041 		break;
2042 	case WACOM_HID_WD_MODE_CHANGE:
2043 		/* do not overwrite previous data */
2044 		if (!wacom_wac->has_mode_change) {
2045 			wacom_wac->has_mode_change = true;
2046 			wacom_wac->is_direct_mode = true;
2047 		}
2048 		features->device_type |= WACOM_DEVICETYPE_PAD;
2049 		break;
2050 	}
2051 
2052 	switch (equivalent_usage & 0xfffffff0) {
2053 	case WACOM_HID_WD_EXPRESSKEY00:
2054 		wacom_map_usage(input, usage, field, EV_KEY,
2055 				wacom_numbered_button_to_key(features->numbered_buttons),
2056 				0);
2057 		features->numbered_buttons++;
2058 		features->device_type |= WACOM_DEVICETYPE_PAD;
2059 		break;
2060 	}
2061 }
2062 
2063 static void wacom_wac_pad_event(struct hid_device *hdev, struct hid_field *field,
2064 		struct hid_usage *usage, __s32 value)
2065 {
2066 	struct wacom *wacom = hid_get_drvdata(hdev);
2067 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2068 	struct input_dev *input = wacom_wac->pad_input;
2069 	struct wacom_features *features = &wacom_wac->features;
2070 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2071 	int i;
2072 	bool do_report = false;
2073 
2074 	/*
2075 	 * Avoid reporting this event and setting inrange_state if this usage
2076 	 * hasn't been mapped.
2077 	 */
2078 	if (!usage->type && equivalent_usage != WACOM_HID_WD_MODE_CHANGE)
2079 		return;
2080 
2081 	if (wacom_equivalent_usage(field->physical) == HID_DG_TABLETFUNCTIONKEY) {
2082 		if (usage->hid != WACOM_HID_WD_TOUCHRING)
2083 			wacom_wac->hid_data.inrange_state |= value;
2084 	}
2085 
2086 	switch (equivalent_usage) {
2087 	case WACOM_HID_WD_TOUCHRING:
2088 		/*
2089 		 * Userspace expects touchrings to increase in value with
2090 		 * clockwise gestures and have their zero point at the
2091 		 * tablet's left. HID events "should" be clockwise-
2092 		 * increasing and zero at top, though the MobileStudio
2093 		 * Pro and 2nd-gen Intuos Pro don't do this...
2094 		 */
2095 		if (hdev->vendor == 0x56a &&
2096 		    (hdev->product == 0x34d || hdev->product == 0x34e ||  /* MobileStudio Pro */
2097 		     hdev->product == 0x357 || hdev->product == 0x358 ||  /* Intuos Pro 2 */
2098 		     hdev->product == 0x392 ||				  /* Intuos Pro 2 */
2099 		     hdev->product == 0x398 || hdev->product == 0x399 ||  /* MobileStudio Pro */
2100 		     hdev->product == 0x3AA)) {				  /* MobileStudio Pro */
2101 			value = (field->logical_maximum - value);
2102 
2103 			if (hdev->product == 0x357 || hdev->product == 0x358 ||
2104 			    hdev->product == 0x392)
2105 				value = wacom_offset_rotation(input, usage, value, 3, 16);
2106 			else if (hdev->product == 0x34d || hdev->product == 0x34e ||
2107 				 hdev->product == 0x398 || hdev->product == 0x399 ||
2108 				 hdev->product == 0x3AA)
2109 				value = wacom_offset_rotation(input, usage, value, 1, 2);
2110 		}
2111 		else {
2112 			value = wacom_offset_rotation(input, usage, value, 1, 4);
2113 		}
2114 		do_report = true;
2115 		break;
2116 	case WACOM_HID_WD_TOUCHRINGSTATUS:
2117 		if (!value)
2118 			input_event(input, usage->type, usage->code, 0);
2119 		break;
2120 
2121 	case WACOM_HID_WD_MUTE_DEVICE:
2122 	case WACOM_HID_WD_TOUCHONOFF:
2123 		if (wacom_wac->shared->touch_input) {
2124 			bool *is_touch_on = &wacom_wac->shared->is_touch_on;
2125 
2126 			if (equivalent_usage == WACOM_HID_WD_MUTE_DEVICE && value)
2127 				*is_touch_on = !(*is_touch_on);
2128 			else if (equivalent_usage == WACOM_HID_WD_TOUCHONOFF)
2129 				*is_touch_on = value;
2130 
2131 			input_report_switch(wacom_wac->shared->touch_input,
2132 					    SW_MUTE_DEVICE, !(*is_touch_on));
2133 			input_sync(wacom_wac->shared->touch_input);
2134 		}
2135 		break;
2136 
2137 	case WACOM_HID_WD_MODE_CHANGE:
2138 		if (wacom_wac->is_direct_mode != value) {
2139 			wacom_wac->is_direct_mode = value;
2140 			wacom_schedule_work(&wacom->wacom_wac, WACOM_WORKER_MODE_CHANGE);
2141 		}
2142 		break;
2143 
2144 	case WACOM_HID_WD_BUTTONCENTER:
2145 		for (i = 0; i < wacom->led.count; i++)
2146 			wacom_update_led(wacom, features->numbered_buttons,
2147 					 value, i);
2148 		 /* fall through*/
2149 	default:
2150 		do_report = true;
2151 		break;
2152 	}
2153 
2154 	if (do_report) {
2155 		input_event(input, usage->type, usage->code, value);
2156 		if (value)
2157 			wacom_wac->hid_data.pad_input_event_flag = true;
2158 	}
2159 }
2160 
2161 static void wacom_wac_pad_pre_report(struct hid_device *hdev,
2162 		struct hid_report *report)
2163 {
2164 	struct wacom *wacom = hid_get_drvdata(hdev);
2165 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2166 
2167 	wacom_wac->hid_data.inrange_state = 0;
2168 }
2169 
2170 static void wacom_wac_pad_report(struct hid_device *hdev,
2171 		struct hid_report *report, struct hid_field *field)
2172 {
2173 	struct wacom *wacom = hid_get_drvdata(hdev);
2174 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2175 	struct input_dev *input = wacom_wac->pad_input;
2176 	bool active = wacom_wac->hid_data.inrange_state != 0;
2177 
2178 	/* report prox for expresskey events */
2179 	if (wacom_wac->hid_data.pad_input_event_flag) {
2180 		input_event(input, EV_ABS, ABS_MISC, active ? PAD_DEVICE_ID : 0);
2181 		input_sync(input);
2182 		if (!active)
2183 			wacom_wac->hid_data.pad_input_event_flag = false;
2184 	}
2185 }
2186 
2187 static void wacom_wac_pen_usage_mapping(struct hid_device *hdev,
2188 		struct hid_field *field, struct hid_usage *usage)
2189 {
2190 	struct wacom *wacom = hid_get_drvdata(hdev);
2191 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2192 	struct wacom_features *features = &wacom_wac->features;
2193 	struct input_dev *input = wacom_wac->pen_input;
2194 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2195 
2196 	switch (equivalent_usage) {
2197 	case HID_GD_X:
2198 		wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 4);
2199 		break;
2200 	case HID_GD_Y:
2201 		wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 4);
2202 		break;
2203 	case WACOM_HID_WD_DISTANCE:
2204 	case HID_GD_Z:
2205 		wacom_map_usage(input, usage, field, EV_ABS, ABS_DISTANCE, 0);
2206 		break;
2207 	case HID_DG_TIPPRESSURE:
2208 		wacom_map_usage(input, usage, field, EV_ABS, ABS_PRESSURE, 0);
2209 		break;
2210 	case HID_DG_INRANGE:
2211 		wacom_map_usage(input, usage, field, EV_KEY, BTN_TOOL_PEN, 0);
2212 		break;
2213 	case HID_DG_INVERT:
2214 		wacom_map_usage(input, usage, field, EV_KEY,
2215 				BTN_TOOL_RUBBER, 0);
2216 		break;
2217 	case HID_DG_TILT_X:
2218 		wacom_map_usage(input, usage, field, EV_ABS, ABS_TILT_X, 0);
2219 		break;
2220 	case HID_DG_TILT_Y:
2221 		wacom_map_usage(input, usage, field, EV_ABS, ABS_TILT_Y, 0);
2222 		break;
2223 	case HID_DG_TWIST:
2224 		wacom_map_usage(input, usage, field, EV_ABS, ABS_Z, 0);
2225 		break;
2226 	case HID_DG_ERASER:
2227 	case HID_DG_TIPSWITCH:
2228 		wacom_map_usage(input, usage, field, EV_KEY, BTN_TOUCH, 0);
2229 		break;
2230 	case HID_DG_BARRELSWITCH:
2231 		wacom_map_usage(input, usage, field, EV_KEY, BTN_STYLUS, 0);
2232 		break;
2233 	case HID_DG_BARRELSWITCH2:
2234 		wacom_map_usage(input, usage, field, EV_KEY, BTN_STYLUS2, 0);
2235 		break;
2236 	case HID_DG_TOOLSERIALNUMBER:
2237 		features->quirks |= WACOM_QUIRK_TOOLSERIAL;
2238 		wacom_map_usage(input, usage, field, EV_MSC, MSC_SERIAL, 0);
2239 		break;
2240 	case WACOM_HID_WD_SENSE:
2241 		features->quirks |= WACOM_QUIRK_SENSE;
2242 		wacom_map_usage(input, usage, field, EV_KEY, BTN_TOOL_PEN, 0);
2243 		break;
2244 	case WACOM_HID_WD_SERIALHI:
2245 		wacom_map_usage(input, usage, field, EV_ABS, ABS_MISC, 0);
2246 
2247 		if (!(features->quirks & WACOM_QUIRK_AESPEN)) {
2248 			set_bit(EV_KEY, input->evbit);
2249 			input_set_capability(input, EV_KEY, BTN_TOOL_PEN);
2250 			input_set_capability(input, EV_KEY, BTN_TOOL_RUBBER);
2251 			input_set_capability(input, EV_KEY, BTN_TOOL_BRUSH);
2252 			input_set_capability(input, EV_KEY, BTN_TOOL_PENCIL);
2253 			input_set_capability(input, EV_KEY, BTN_TOOL_AIRBRUSH);
2254 			if (!(features->device_type & WACOM_DEVICETYPE_DIRECT)) {
2255 				input_set_capability(input, EV_KEY, BTN_TOOL_MOUSE);
2256 				input_set_capability(input, EV_KEY, BTN_TOOL_LENS);
2257 			}
2258 		}
2259 		break;
2260 	case WACOM_HID_WD_FINGERWHEEL:
2261 		wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0);
2262 		break;
2263 	}
2264 }
2265 
2266 static void wacom_wac_pen_event(struct hid_device *hdev, struct hid_field *field,
2267 		struct hid_usage *usage, __s32 value)
2268 {
2269 	struct wacom *wacom = hid_get_drvdata(hdev);
2270 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2271 	struct wacom_features *features = &wacom_wac->features;
2272 	struct input_dev *input = wacom_wac->pen_input;
2273 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2274 
2275 	if (wacom_wac->is_invalid_bt_frame)
2276 		return;
2277 
2278 	switch (equivalent_usage) {
2279 	case HID_GD_Z:
2280 		/*
2281 		 * HID_GD_Z "should increase as the control's position is
2282 		 * moved from high to low", while ABS_DISTANCE instead
2283 		 * increases in value as the tool moves from low to high.
2284 		 */
2285 		value = field->logical_maximum - value;
2286 		break;
2287 	case HID_DG_INRANGE:
2288 		wacom_wac->hid_data.inrange_state = value;
2289 		if (!(features->quirks & WACOM_QUIRK_SENSE))
2290 			wacom_wac->hid_data.sense_state = value;
2291 		return;
2292 	case HID_DG_INVERT:
2293 		wacom_wac->hid_data.invert_state = value;
2294 		return;
2295 	case HID_DG_ERASER:
2296 	case HID_DG_TIPSWITCH:
2297 		wacom_wac->hid_data.tipswitch |= value;
2298 		return;
2299 	case HID_DG_BARRELSWITCH:
2300 		wacom_wac->hid_data.barrelswitch = value;
2301 		return;
2302 	case HID_DG_BARRELSWITCH2:
2303 		wacom_wac->hid_data.barrelswitch2 = value;
2304 		return;
2305 	case HID_DG_TOOLSERIALNUMBER:
2306 		if (value) {
2307 			wacom_wac->serial[0] = (wacom_wac->serial[0] & ~0xFFFFFFFFULL);
2308 			wacom_wac->serial[0] |= wacom_s32tou(value, field->report_size);
2309 		}
2310 		return;
2311 	case HID_DG_TWIST:
2312 		/*
2313 		 * Userspace expects pen twist to have its zero point when
2314 		 * the buttons/finger is on the tablet's left. HID values
2315 		 * are zero when buttons are toward the top.
2316 		 */
2317 		value = wacom_offset_rotation(input, usage, value, 1, 4);
2318 		break;
2319 	case WACOM_HID_WD_SENSE:
2320 		wacom_wac->hid_data.sense_state = value;
2321 		return;
2322 	case WACOM_HID_WD_SERIALHI:
2323 		if (value) {
2324 			__u32 raw_value = wacom_s32tou(value, field->report_size);
2325 
2326 			wacom_wac->serial[0] = (wacom_wac->serial[0] & 0xFFFFFFFF);
2327 			wacom_wac->serial[0] |= ((__u64)raw_value) << 32;
2328 			/*
2329 			 * Non-USI EMR devices may contain additional tool type
2330 			 * information here. See WACOM_HID_WD_TOOLTYPE case for
2331 			 * more details.
2332 			 */
2333 			if (value >> 20 == 1) {
2334 				wacom_wac->id[0] |= raw_value & 0xFFFFF;
2335 			}
2336 		}
2337 		return;
2338 	case WACOM_HID_WD_TOOLTYPE:
2339 		/*
2340 		 * Some devices (MobileStudio Pro, and possibly later
2341 		 * devices as well) do not return the complete tool
2342 		 * type in their WACOM_HID_WD_TOOLTYPE usage. Use a
2343 		 * bitwise OR so the complete value can be built
2344 		 * up over time :(
2345 		 */
2346 		wacom_wac->id[0] |= wacom_s32tou(value, field->report_size);
2347 		return;
2348 	case WACOM_HID_WD_OFFSETLEFT:
2349 		if (features->offset_left && value != features->offset_left)
2350 			hid_warn(hdev, "%s: overriding existing left offset "
2351 				 "%d -> %d\n", __func__, value,
2352 				 features->offset_left);
2353 		features->offset_left = value;
2354 		return;
2355 	case WACOM_HID_WD_OFFSETRIGHT:
2356 		if (features->offset_right && value != features->offset_right)
2357 			hid_warn(hdev, "%s: overriding existing right offset "
2358 				 "%d -> %d\n", __func__, value,
2359 				 features->offset_right);
2360 		features->offset_right = value;
2361 		return;
2362 	case WACOM_HID_WD_OFFSETTOP:
2363 		if (features->offset_top && value != features->offset_top)
2364 			hid_warn(hdev, "%s: overriding existing top offset "
2365 				 "%d -> %d\n", __func__, value,
2366 				 features->offset_top);
2367 		features->offset_top = value;
2368 		return;
2369 	case WACOM_HID_WD_OFFSETBOTTOM:
2370 		if (features->offset_bottom && value != features->offset_bottom)
2371 			hid_warn(hdev, "%s: overriding existing bottom offset "
2372 				 "%d -> %d\n", __func__, value,
2373 				 features->offset_bottom);
2374 		features->offset_bottom = value;
2375 		return;
2376 	case WACOM_HID_WD_REPORT_VALID:
2377 		wacom_wac->is_invalid_bt_frame = !value;
2378 		return;
2379 	}
2380 
2381 	/* send pen events only when touch is up or forced out
2382 	 * or touch arbitration is off
2383 	 */
2384 	if (!usage->type || delay_pen_events(wacom_wac))
2385 		return;
2386 
2387 	/* send pen events only when the pen is in range */
2388 	if (wacom_wac->hid_data.inrange_state)
2389 		input_event(input, usage->type, usage->code, value);
2390 	else if (wacom_wac->shared->stylus_in_proximity && !wacom_wac->hid_data.sense_state)
2391 		input_event(input, usage->type, usage->code, 0);
2392 }
2393 
2394 static void wacom_wac_pen_pre_report(struct hid_device *hdev,
2395 		struct hid_report *report)
2396 {
2397 	struct wacom *wacom = hid_get_drvdata(hdev);
2398 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2399 
2400 	wacom_wac->is_invalid_bt_frame = false;
2401 	return;
2402 }
2403 
2404 static void wacom_wac_pen_report(struct hid_device *hdev,
2405 		struct hid_report *report)
2406 {
2407 	struct wacom *wacom = hid_get_drvdata(hdev);
2408 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2409 	struct input_dev *input = wacom_wac->pen_input;
2410 	bool range = wacom_wac->hid_data.inrange_state;
2411 	bool sense = wacom_wac->hid_data.sense_state;
2412 
2413 	if (wacom_wac->is_invalid_bt_frame)
2414 		return;
2415 
2416 	if (!wacom_wac->tool[0] && range) { /* first in range */
2417 		/* Going into range select tool */
2418 		if (wacom_wac->hid_data.invert_state)
2419 			wacom_wac->tool[0] = BTN_TOOL_RUBBER;
2420 		else if (wacom_wac->id[0])
2421 			wacom_wac->tool[0] = wacom_intuos_get_tool_type(wacom_wac->id[0]);
2422 		else
2423 			wacom_wac->tool[0] = BTN_TOOL_PEN;
2424 	}
2425 
2426 	/* keep pen state for touch events */
2427 	wacom_wac->shared->stylus_in_proximity = sense;
2428 
2429 	if (!delay_pen_events(wacom_wac) && wacom_wac->tool[0]) {
2430 		int id = wacom_wac->id[0];
2431 		int sw_state = wacom_wac->hid_data.barrelswitch |
2432 			       (wacom_wac->hid_data.barrelswitch2 << 1);
2433 
2434 		input_report_key(input, BTN_STYLUS, sw_state == 1);
2435 		input_report_key(input, BTN_STYLUS2, sw_state == 2);
2436 		input_report_key(input, BTN_STYLUS3, sw_state == 3);
2437 
2438 		/*
2439 		 * Non-USI EMR tools should have their IDs mangled to
2440 		 * match the legacy behavior of wacom_intuos_general
2441 		 */
2442 		if (wacom_wac->serial[0] >> 52 == 1)
2443 			id = wacom_intuos_id_mangle(id);
2444 
2445 		/*
2446 		 * To ensure compatibility with xf86-input-wacom, we should
2447 		 * report the BTN_TOOL_* event prior to the ABS_MISC or
2448 		 * MSC_SERIAL events.
2449 		 */
2450 		input_report_key(input, BTN_TOUCH,
2451 				wacom_wac->hid_data.tipswitch);
2452 		input_report_key(input, wacom_wac->tool[0], sense);
2453 		if (wacom_wac->serial[0]) {
2454 			input_event(input, EV_MSC, MSC_SERIAL, wacom_wac->serial[0]);
2455 			input_report_abs(input, ABS_MISC, sense ? id : 0);
2456 		}
2457 
2458 		wacom_wac->hid_data.tipswitch = false;
2459 
2460 		input_sync(input);
2461 	}
2462 
2463 	if (!sense) {
2464 		wacom_wac->tool[0] = 0;
2465 		wacom_wac->id[0] = 0;
2466 		wacom_wac->serial[0] = 0;
2467 	}
2468 }
2469 
2470 static void wacom_wac_finger_usage_mapping(struct hid_device *hdev,
2471 		struct hid_field *field, struct hid_usage *usage)
2472 {
2473 	struct wacom *wacom = hid_get_drvdata(hdev);
2474 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2475 	struct input_dev *input = wacom_wac->touch_input;
2476 	unsigned touch_max = wacom_wac->features.touch_max;
2477 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2478 
2479 	switch (equivalent_usage) {
2480 	case HID_GD_X:
2481 		if (touch_max == 1)
2482 			wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 4);
2483 		else
2484 			wacom_map_usage(input, usage, field, EV_ABS,
2485 					ABS_MT_POSITION_X, 4);
2486 		break;
2487 	case HID_GD_Y:
2488 		if (touch_max == 1)
2489 			wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 4);
2490 		else
2491 			wacom_map_usage(input, usage, field, EV_ABS,
2492 					ABS_MT_POSITION_Y, 4);
2493 		break;
2494 	case HID_DG_WIDTH:
2495 	case HID_DG_HEIGHT:
2496 		wacom_map_usage(input, usage, field, EV_ABS, ABS_MT_TOUCH_MAJOR, 0);
2497 		wacom_map_usage(input, usage, field, EV_ABS, ABS_MT_TOUCH_MINOR, 0);
2498 		input_set_abs_params(input, ABS_MT_ORIENTATION, 0, 1, 0, 0);
2499 		break;
2500 	case HID_DG_TIPSWITCH:
2501 		wacom_map_usage(input, usage, field, EV_KEY, BTN_TOUCH, 0);
2502 		break;
2503 	case HID_DG_CONTACTCOUNT:
2504 		wacom_wac->hid_data.cc_report = field->report->id;
2505 		wacom_wac->hid_data.cc_index = field->index;
2506 		wacom_wac->hid_data.cc_value_index = usage->usage_index;
2507 		break;
2508 	case HID_DG_CONTACTID:
2509 		if ((field->logical_maximum - field->logical_minimum) < touch_max) {
2510 			/*
2511 			 * The HID descriptor for G11 sensors leaves logical
2512 			 * maximum set to '1' despite it being a multitouch
2513 			 * device. Override to a sensible number.
2514 			 */
2515 			field->logical_maximum = 255;
2516 		}
2517 		break;
2518 	}
2519 }
2520 
2521 static void wacom_wac_finger_slot(struct wacom_wac *wacom_wac,
2522 		struct input_dev *input)
2523 {
2524 	struct hid_data *hid_data = &wacom_wac->hid_data;
2525 	bool mt = wacom_wac->features.touch_max > 1;
2526 	bool prox = hid_data->tipswitch &&
2527 		    report_touch_events(wacom_wac);
2528 
2529 	if (wacom_wac->shared->has_mute_touch_switch &&
2530 	    !wacom_wac->shared->is_touch_on) {
2531 		if (!wacom_wac->shared->touch_down)
2532 			return;
2533 		prox = 0;
2534 	}
2535 
2536 	wacom_wac->hid_data.num_received++;
2537 	if (wacom_wac->hid_data.num_received > wacom_wac->hid_data.num_expected)
2538 		return;
2539 
2540 	if (mt) {
2541 		int slot;
2542 
2543 		slot = input_mt_get_slot_by_key(input, hid_data->id);
2544 		input_mt_slot(input, slot);
2545 		input_mt_report_slot_state(input, MT_TOOL_FINGER, prox);
2546 	}
2547 	else {
2548 		input_report_key(input, BTN_TOUCH, prox);
2549 	}
2550 
2551 	if (prox) {
2552 		input_report_abs(input, mt ? ABS_MT_POSITION_X : ABS_X,
2553 				 hid_data->x);
2554 		input_report_abs(input, mt ? ABS_MT_POSITION_Y : ABS_Y,
2555 				 hid_data->y);
2556 
2557 		if (test_bit(ABS_MT_TOUCH_MAJOR, input->absbit)) {
2558 			input_report_abs(input, ABS_MT_TOUCH_MAJOR, max(hid_data->width, hid_data->height));
2559 			input_report_abs(input, ABS_MT_TOUCH_MINOR, min(hid_data->width, hid_data->height));
2560 			if (hid_data->width != hid_data->height)
2561 				input_report_abs(input, ABS_MT_ORIENTATION, hid_data->width <= hid_data->height ? 0 : 1);
2562 		}
2563 	}
2564 }
2565 
2566 static void wacom_wac_finger_event(struct hid_device *hdev,
2567 		struct hid_field *field, struct hid_usage *usage, __s32 value)
2568 {
2569 	struct wacom *wacom = hid_get_drvdata(hdev);
2570 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2571 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2572 	struct wacom_features *features = &wacom->wacom_wac.features;
2573 
2574 	if (wacom_wac->is_invalid_bt_frame)
2575 		return;
2576 
2577 	switch (equivalent_usage) {
2578 	case HID_GD_X:
2579 		wacom_wac->hid_data.x = value;
2580 		break;
2581 	case HID_GD_Y:
2582 		wacom_wac->hid_data.y = value;
2583 		break;
2584 	case HID_DG_WIDTH:
2585 		wacom_wac->hid_data.width = value;
2586 		break;
2587 	case HID_DG_HEIGHT:
2588 		wacom_wac->hid_data.height = value;
2589 		break;
2590 	case HID_DG_CONTACTID:
2591 		wacom_wac->hid_data.id = value;
2592 		break;
2593 	case HID_DG_TIPSWITCH:
2594 		wacom_wac->hid_data.tipswitch = value;
2595 		break;
2596 	case WACOM_HID_WT_REPORT_VALID:
2597 		wacom_wac->is_invalid_bt_frame = !value;
2598 		return;
2599 	case HID_DG_CONTACTMAX:
2600 		features->touch_max = value;
2601 		return;
2602 	}
2603 
2604 	if (usage->usage_index + 1 == field->report_count) {
2605 		if (equivalent_usage == wacom_wac->hid_data.last_slot_field)
2606 			wacom_wac_finger_slot(wacom_wac, wacom_wac->touch_input);
2607 	}
2608 }
2609 
2610 static void wacom_wac_finger_pre_report(struct hid_device *hdev,
2611 		struct hid_report *report)
2612 {
2613 	struct wacom *wacom = hid_get_drvdata(hdev);
2614 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2615 	struct hid_data* hid_data = &wacom_wac->hid_data;
2616 	int i;
2617 
2618 	wacom_wac->is_invalid_bt_frame = false;
2619 
2620 	for (i = 0; i < report->maxfield; i++) {
2621 		struct hid_field *field = report->field[i];
2622 		int j;
2623 
2624 		for (j = 0; j < field->maxusage; j++) {
2625 			struct hid_usage *usage = &field->usage[j];
2626 			unsigned int equivalent_usage =
2627 				wacom_equivalent_usage(usage->hid);
2628 
2629 			switch (equivalent_usage) {
2630 			case HID_GD_X:
2631 			case HID_GD_Y:
2632 			case HID_DG_WIDTH:
2633 			case HID_DG_HEIGHT:
2634 			case HID_DG_CONTACTID:
2635 			case HID_DG_INRANGE:
2636 			case HID_DG_INVERT:
2637 			case HID_DG_TIPSWITCH:
2638 				hid_data->last_slot_field = equivalent_usage;
2639 				break;
2640 			}
2641 		}
2642 	}
2643 }
2644 
2645 static void wacom_wac_finger_report(struct hid_device *hdev,
2646 		struct hid_report *report)
2647 {
2648 	struct wacom *wacom = hid_get_drvdata(hdev);
2649 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2650 	struct input_dev *input = wacom_wac->touch_input;
2651 	unsigned touch_max = wacom_wac->features.touch_max;
2652 	struct hid_data *hid_data = &wacom_wac->hid_data;
2653 
2654 	/* If more packets of data are expected, give us a chance to
2655 	 * process them rather than immediately syncing a partial
2656 	 * update.
2657 	 */
2658 	if (wacom_wac->hid_data.num_received < wacom_wac->hid_data.num_expected)
2659 		return;
2660 
2661 	if (touch_max > 1)
2662 		input_mt_sync_frame(input);
2663 
2664 	input_sync(input);
2665 	wacom_wac->hid_data.num_received = 0;
2666 	hid_data->num_expected = 0;
2667 
2668 	/* keep touch state for pen event */
2669 	wacom_wac->shared->touch_down = wacom_wac_finger_count_touches(wacom_wac);
2670 }
2671 
2672 void wacom_wac_usage_mapping(struct hid_device *hdev,
2673 		struct hid_field *field, struct hid_usage *usage)
2674 {
2675 	struct wacom *wacom = hid_get_drvdata(hdev);
2676 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2677 	struct wacom_features *features = &wacom_wac->features;
2678 
2679 	if (WACOM_DIRECT_DEVICE(field))
2680 		features->device_type |= WACOM_DEVICETYPE_DIRECT;
2681 
2682 	/* usage tests must precede field tests */
2683 	if (WACOM_BATTERY_USAGE(usage))
2684 		wacom_wac_battery_usage_mapping(hdev, field, usage);
2685 	else if (WACOM_PAD_FIELD(field))
2686 		wacom_wac_pad_usage_mapping(hdev, field, usage);
2687 	else if (WACOM_PEN_FIELD(field))
2688 		wacom_wac_pen_usage_mapping(hdev, field, usage);
2689 	else if (WACOM_FINGER_FIELD(field))
2690 		wacom_wac_finger_usage_mapping(hdev, field, usage);
2691 }
2692 
2693 void wacom_wac_event(struct hid_device *hdev, struct hid_field *field,
2694 		struct hid_usage *usage, __s32 value)
2695 {
2696 	struct wacom *wacom = hid_get_drvdata(hdev);
2697 
2698 	if (wacom->wacom_wac.features.type != HID_GENERIC)
2699 		return;
2700 
2701 	if (value > field->logical_maximum || value < field->logical_minimum)
2702 		return;
2703 
2704 	/* usage tests must precede field tests */
2705 	if (WACOM_BATTERY_USAGE(usage))
2706 		wacom_wac_battery_event(hdev, field, usage, value);
2707 	else if (WACOM_PAD_FIELD(field) && wacom->wacom_wac.pad_input)
2708 		wacom_wac_pad_event(hdev, field, usage, value);
2709 	else if (WACOM_PEN_FIELD(field) && wacom->wacom_wac.pen_input)
2710 		wacom_wac_pen_event(hdev, field, usage, value);
2711 	else if (WACOM_FINGER_FIELD(field) && wacom->wacom_wac.touch_input)
2712 		wacom_wac_finger_event(hdev, field, usage, value);
2713 }
2714 
2715 static void wacom_report_events(struct hid_device *hdev,
2716 				struct hid_report *report, int collection_index,
2717 				int field_index)
2718 {
2719 	int r;
2720 
2721 	for (r = field_index; r < report->maxfield; r++) {
2722 		struct hid_field *field;
2723 		unsigned count, n;
2724 
2725 		field = report->field[r];
2726 		count = field->report_count;
2727 
2728 		if (!(HID_MAIN_ITEM_VARIABLE & field->flags))
2729 			continue;
2730 
2731 		for (n = 0 ; n < count; n++) {
2732 			if (field->usage[n].collection_index == collection_index)
2733 				wacom_wac_event(hdev, field, &field->usage[n],
2734 						field->value[n]);
2735 			else
2736 				return;
2737 		}
2738 	}
2739 }
2740 
2741 static void wacom_set_num_expected(struct hid_device *hdev,
2742 				   struct hid_report *report,
2743 				   int collection_index,
2744 				   struct hid_field *field,
2745 				   int field_index)
2746 {
2747 	struct wacom *wacom = hid_get_drvdata(hdev);
2748 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2749 	struct hid_data *hid_data = &wacom_wac->hid_data;
2750 	unsigned int original_collection_level =
2751 		hdev->collection[collection_index].level;
2752 	bool end_collection = false;
2753 	int i;
2754 
2755 	if (hid_data->num_expected)
2756 		return;
2757 
2758 	// find the contact count value for this segment
2759 	for (i = field_index; i < report->maxfield && !end_collection; i++) {
2760 		struct hid_field *field = report->field[i];
2761 		unsigned int field_level =
2762 			hdev->collection[field->usage[0].collection_index].level;
2763 		unsigned int j;
2764 
2765 		if (field_level != original_collection_level)
2766 			continue;
2767 
2768 		for (j = 0; j < field->maxusage; j++) {
2769 			struct hid_usage *usage = &field->usage[j];
2770 
2771 			if (usage->collection_index != collection_index) {
2772 				end_collection = true;
2773 				break;
2774 			}
2775 			if (wacom_equivalent_usage(usage->hid) == HID_DG_CONTACTCOUNT) {
2776 				hid_data->cc_report = report->id;
2777 				hid_data->cc_index = i;
2778 				hid_data->cc_value_index = j;
2779 
2780 				if (hid_data->cc_report != 0 &&
2781 				    hid_data->cc_index >= 0) {
2782 
2783 					struct hid_field *field =
2784 						report->field[hid_data->cc_index];
2785 					int value =
2786 						field->value[hid_data->cc_value_index];
2787 
2788 					if (value)
2789 						hid_data->num_expected = value;
2790 				}
2791 			}
2792 		}
2793 	}
2794 
2795 	if (hid_data->cc_report == 0 || hid_data->cc_index < 0)
2796 		hid_data->num_expected = wacom_wac->features.touch_max;
2797 }
2798 
2799 static int wacom_wac_collection(struct hid_device *hdev, struct hid_report *report,
2800 			 int collection_index, struct hid_field *field,
2801 			 int field_index)
2802 {
2803 	struct wacom *wacom = hid_get_drvdata(hdev);
2804 
2805 	if (WACOM_FINGER_FIELD(field))
2806 		wacom_set_num_expected(hdev, report, collection_index, field,
2807 				       field_index);
2808 	wacom_report_events(hdev, report, collection_index, field_index);
2809 
2810 	/*
2811 	 * Non-input reports may be sent prior to the device being
2812 	 * completely initialized. Since only their events need
2813 	 * to be processed, exit after 'wacom_report_events' has
2814 	 * been called to prevent potential crashes in the report-
2815 	 * processing functions.
2816 	 */
2817 	if (report->type != HID_INPUT_REPORT)
2818 		return -1;
2819 
2820 	if (WACOM_PEN_FIELD(field) && wacom->wacom_wac.pen_input)
2821 		wacom_wac_pen_report(hdev, report);
2822 	else if (WACOM_FINGER_FIELD(field) && wacom->wacom_wac.touch_input)
2823 		wacom_wac_finger_report(hdev, report);
2824 
2825 	return 0;
2826 }
2827 
2828 void wacom_wac_report(struct hid_device *hdev, struct hid_report *report)
2829 {
2830 	struct wacom *wacom = hid_get_drvdata(hdev);
2831 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2832 	struct hid_field *field;
2833 	bool pad_in_hid_field = false, pen_in_hid_field = false,
2834 		finger_in_hid_field = false, true_pad = false;
2835 	int r;
2836 	int prev_collection = -1;
2837 
2838 	if (wacom_wac->features.type != HID_GENERIC)
2839 		return;
2840 
2841 	for (r = 0; r < report->maxfield; r++) {
2842 		field = report->field[r];
2843 
2844 		if (WACOM_PAD_FIELD(field))
2845 			pad_in_hid_field = true;
2846 		if (WACOM_PEN_FIELD(field))
2847 			pen_in_hid_field = true;
2848 		if (WACOM_FINGER_FIELD(field))
2849 			finger_in_hid_field = true;
2850 		if (wacom_equivalent_usage(field->physical) == HID_DG_TABLETFUNCTIONKEY)
2851 			true_pad = true;
2852 	}
2853 
2854 	wacom_wac_battery_pre_report(hdev, report);
2855 
2856 	if (pad_in_hid_field && wacom->wacom_wac.pad_input)
2857 		wacom_wac_pad_pre_report(hdev, report);
2858 	if (pen_in_hid_field && wacom->wacom_wac.pen_input)
2859 		wacom_wac_pen_pre_report(hdev, report);
2860 	if (finger_in_hid_field && wacom->wacom_wac.touch_input)
2861 		wacom_wac_finger_pre_report(hdev, report);
2862 
2863 	for (r = 0; r < report->maxfield; r++) {
2864 		field = report->field[r];
2865 
2866 		if (field->usage[0].collection_index != prev_collection) {
2867 			if (wacom_wac_collection(hdev, report,
2868 				field->usage[0].collection_index, field, r) < 0)
2869 				return;
2870 			prev_collection = field->usage[0].collection_index;
2871 		}
2872 	}
2873 
2874 	wacom_wac_battery_report(hdev, report);
2875 
2876 	if (true_pad && wacom->wacom_wac.pad_input)
2877 		wacom_wac_pad_report(hdev, report, field);
2878 }
2879 
2880 static int wacom_bpt_touch(struct wacom_wac *wacom)
2881 {
2882 	struct wacom_features *features = &wacom->features;
2883 	struct input_dev *input = wacom->touch_input;
2884 	struct input_dev *pad_input = wacom->pad_input;
2885 	unsigned char *data = wacom->data;
2886 	int i;
2887 
2888 	if (data[0] != 0x02)
2889 	    return 0;
2890 
2891 	for (i = 0; i < 2; i++) {
2892 		int offset = (data[1] & 0x80) ? (8 * i) : (9 * i);
2893 		bool touch = report_touch_events(wacom)
2894 			   && (data[offset + 3] & 0x80);
2895 
2896 		input_mt_slot(input, i);
2897 		input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
2898 		if (touch) {
2899 			int x = get_unaligned_be16(&data[offset + 3]) & 0x7ff;
2900 			int y = get_unaligned_be16(&data[offset + 5]) & 0x7ff;
2901 			if (features->quirks & WACOM_QUIRK_BBTOUCH_LOWRES) {
2902 				x <<= 5;
2903 				y <<= 5;
2904 			}
2905 			input_report_abs(input, ABS_MT_POSITION_X, x);
2906 			input_report_abs(input, ABS_MT_POSITION_Y, y);
2907 		}
2908 	}
2909 
2910 	input_mt_sync_frame(input);
2911 
2912 	input_report_key(pad_input, BTN_LEFT, (data[1] & 0x08) != 0);
2913 	input_report_key(pad_input, BTN_FORWARD, (data[1] & 0x04) != 0);
2914 	input_report_key(pad_input, BTN_BACK, (data[1] & 0x02) != 0);
2915 	input_report_key(pad_input, BTN_RIGHT, (data[1] & 0x01) != 0);
2916 	wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
2917 
2918 	return 1;
2919 }
2920 
2921 static void wacom_bpt3_touch_msg(struct wacom_wac *wacom, unsigned char *data)
2922 {
2923 	struct wacom_features *features = &wacom->features;
2924 	struct input_dev *input = wacom->touch_input;
2925 	bool touch = data[1] & 0x80;
2926 	int slot = input_mt_get_slot_by_key(input, data[0]);
2927 
2928 	if (slot < 0)
2929 		return;
2930 
2931 	touch = touch && report_touch_events(wacom);
2932 
2933 	input_mt_slot(input, slot);
2934 	input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
2935 
2936 	if (touch) {
2937 		int x = (data[2] << 4) | (data[4] >> 4);
2938 		int y = (data[3] << 4) | (data[4] & 0x0f);
2939 		int width, height;
2940 
2941 		if (features->type >= INTUOSPS && features->type <= INTUOSHT2) {
2942 			width  = data[5] * 100;
2943 			height = data[6] * 100;
2944 		} else {
2945 			/*
2946 			 * "a" is a scaled-down area which we assume is
2947 			 * roughly circular and which can be described as:
2948 			 * a=(pi*r^2)/C.
2949 			 */
2950 			int a = data[5];
2951 			int x_res = input_abs_get_res(input, ABS_MT_POSITION_X);
2952 			int y_res = input_abs_get_res(input, ABS_MT_POSITION_Y);
2953 			width = 2 * int_sqrt(a * WACOM_CONTACT_AREA_SCALE);
2954 			height = width * y_res / x_res;
2955 		}
2956 
2957 		input_report_abs(input, ABS_MT_POSITION_X, x);
2958 		input_report_abs(input, ABS_MT_POSITION_Y, y);
2959 		input_report_abs(input, ABS_MT_TOUCH_MAJOR, width);
2960 		input_report_abs(input, ABS_MT_TOUCH_MINOR, height);
2961 	}
2962 }
2963 
2964 static void wacom_bpt3_button_msg(struct wacom_wac *wacom, unsigned char *data)
2965 {
2966 	struct input_dev *input = wacom->pad_input;
2967 	struct wacom_features *features = &wacom->features;
2968 
2969 	if (features->type == INTUOSHT || features->type == INTUOSHT2) {
2970 		input_report_key(input, BTN_LEFT, (data[1] & 0x02) != 0);
2971 		input_report_key(input, BTN_BACK, (data[1] & 0x08) != 0);
2972 	} else {
2973 		input_report_key(input, BTN_BACK, (data[1] & 0x02) != 0);
2974 		input_report_key(input, BTN_LEFT, (data[1] & 0x08) != 0);
2975 	}
2976 	input_report_key(input, BTN_FORWARD, (data[1] & 0x04) != 0);
2977 	input_report_key(input, BTN_RIGHT, (data[1] & 0x01) != 0);
2978 }
2979 
2980 static int wacom_bpt3_touch(struct wacom_wac *wacom)
2981 {
2982 	unsigned char *data = wacom->data;
2983 	int count = data[1] & 0x07;
2984 	int  touch_changed = 0, i;
2985 
2986 	if (data[0] != 0x02)
2987 	    return 0;
2988 
2989 	/* data has up to 7 fixed sized 8-byte messages starting at data[2] */
2990 	for (i = 0; i < count; i++) {
2991 		int offset = (8 * i) + 2;
2992 		int msg_id = data[offset];
2993 
2994 		if (msg_id >= 2 && msg_id <= 17) {
2995 			wacom_bpt3_touch_msg(wacom, data + offset);
2996 			touch_changed++;
2997 		} else if (msg_id == 128)
2998 			wacom_bpt3_button_msg(wacom, data + offset);
2999 
3000 	}
3001 
3002 	/* only update touch if we actually have a touchpad and touch data changed */
3003 	if (wacom->touch_input && touch_changed) {
3004 		input_mt_sync_frame(wacom->touch_input);
3005 		wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
3006 	}
3007 
3008 	return 1;
3009 }
3010 
3011 static int wacom_bpt_pen(struct wacom_wac *wacom)
3012 {
3013 	struct wacom_features *features = &wacom->features;
3014 	struct input_dev *input = wacom->pen_input;
3015 	unsigned char *data = wacom->data;
3016 	int x = 0, y = 0, p = 0, d = 0;
3017 	bool pen = false, btn1 = false, btn2 = false;
3018 	bool range, prox, rdy;
3019 
3020 	if (data[0] != WACOM_REPORT_PENABLED)
3021 	    return 0;
3022 
3023 	range = (data[1] & 0x80) == 0x80;
3024 	prox = (data[1] & 0x40) == 0x40;
3025 	rdy = (data[1] & 0x20) == 0x20;
3026 
3027 	wacom->shared->stylus_in_proximity = range;
3028 	if (delay_pen_events(wacom))
3029 		return 0;
3030 
3031 	if (rdy) {
3032 		p = le16_to_cpup((__le16 *)&data[6]);
3033 		pen = data[1] & 0x01;
3034 		btn1 = data[1] & 0x02;
3035 		btn2 = data[1] & 0x04;
3036 	}
3037 	if (prox) {
3038 		x = le16_to_cpup((__le16 *)&data[2]);
3039 		y = le16_to_cpup((__le16 *)&data[4]);
3040 
3041 		if (data[1] & 0x08) {
3042 			wacom->tool[0] = BTN_TOOL_RUBBER;
3043 			wacom->id[0] = ERASER_DEVICE_ID;
3044 		} else {
3045 			wacom->tool[0] = BTN_TOOL_PEN;
3046 			wacom->id[0] = STYLUS_DEVICE_ID;
3047 		}
3048 		wacom->reporting_data = true;
3049 	}
3050 	if (range) {
3051 		/*
3052 		 * Convert distance from out prox to distance from tablet.
3053 		 * distance will be greater than distance_max once
3054 		 * touching and applying pressure; do not report negative
3055 		 * distance.
3056 		 */
3057 		if (data[8] <= features->distance_max)
3058 			d = features->distance_max - data[8];
3059 	} else {
3060 		wacom->id[0] = 0;
3061 	}
3062 
3063 	if (wacom->reporting_data) {
3064 		input_report_key(input, BTN_TOUCH, pen);
3065 		input_report_key(input, BTN_STYLUS, btn1);
3066 		input_report_key(input, BTN_STYLUS2, btn2);
3067 
3068 		if (prox || !range) {
3069 			input_report_abs(input, ABS_X, x);
3070 			input_report_abs(input, ABS_Y, y);
3071 		}
3072 		input_report_abs(input, ABS_PRESSURE, p);
3073 		input_report_abs(input, ABS_DISTANCE, d);
3074 
3075 		input_report_key(input, wacom->tool[0], range); /* PEN or RUBBER */
3076 		input_report_abs(input, ABS_MISC, wacom->id[0]); /* TOOL ID */
3077 	}
3078 
3079 	if (!range) {
3080 		wacom->reporting_data = false;
3081 	}
3082 
3083 	return 1;
3084 }
3085 
3086 static int wacom_bpt_irq(struct wacom_wac *wacom, size_t len)
3087 {
3088 	struct wacom_features *features = &wacom->features;
3089 
3090 	if ((features->type == INTUOSHT2) &&
3091 	    (features->device_type & WACOM_DEVICETYPE_PEN))
3092 		return wacom_intuos_irq(wacom);
3093 	else if (len == WACOM_PKGLEN_BBTOUCH)
3094 		return wacom_bpt_touch(wacom);
3095 	else if (len == WACOM_PKGLEN_BBTOUCH3)
3096 		return wacom_bpt3_touch(wacom);
3097 	else if (len == WACOM_PKGLEN_BBFUN || len == WACOM_PKGLEN_BBPEN)
3098 		return wacom_bpt_pen(wacom);
3099 
3100 	return 0;
3101 }
3102 
3103 static void wacom_bamboo_pad_pen_event(struct wacom_wac *wacom,
3104 		unsigned char *data)
3105 {
3106 	unsigned char prefix;
3107 
3108 	/*
3109 	 * We need to reroute the event from the debug interface to the
3110 	 * pen interface.
3111 	 * We need to add the report ID to the actual pen report, so we
3112 	 * temporary overwrite the first byte to prevent having to kzalloc/kfree
3113 	 * and memcpy the report.
3114 	 */
3115 	prefix = data[0];
3116 	data[0] = WACOM_REPORT_BPAD_PEN;
3117 
3118 	/*
3119 	 * actually reroute the event.
3120 	 * No need to check if wacom->shared->pen is valid, hid_input_report()
3121 	 * will check for us.
3122 	 */
3123 	hid_input_report(wacom->shared->pen, HID_INPUT_REPORT, data,
3124 			 WACOM_PKGLEN_PENABLED, 1);
3125 
3126 	data[0] = prefix;
3127 }
3128 
3129 static int wacom_bamboo_pad_touch_event(struct wacom_wac *wacom,
3130 		unsigned char *data)
3131 {
3132 	struct input_dev *input = wacom->touch_input;
3133 	unsigned char *finger_data, prefix;
3134 	unsigned id;
3135 	int x, y;
3136 	bool valid;
3137 
3138 	prefix = data[0];
3139 
3140 	for (id = 0; id < wacom->features.touch_max; id++) {
3141 		valid = !!(prefix & BIT(id)) &&
3142 			report_touch_events(wacom);
3143 
3144 		input_mt_slot(input, id);
3145 		input_mt_report_slot_state(input, MT_TOOL_FINGER, valid);
3146 
3147 		if (!valid)
3148 			continue;
3149 
3150 		finger_data = data + 1 + id * 3;
3151 		x = finger_data[0] | ((finger_data[1] & 0x0f) << 8);
3152 		y = (finger_data[2] << 4) | (finger_data[1] >> 4);
3153 
3154 		input_report_abs(input, ABS_MT_POSITION_X, x);
3155 		input_report_abs(input, ABS_MT_POSITION_Y, y);
3156 	}
3157 
3158 	input_mt_sync_frame(input);
3159 
3160 	input_report_key(input, BTN_LEFT, prefix & 0x40);
3161 	input_report_key(input, BTN_RIGHT, prefix & 0x80);
3162 
3163 	/* keep touch state for pen event */
3164 	wacom->shared->touch_down = !!prefix && report_touch_events(wacom);
3165 
3166 	return 1;
3167 }
3168 
3169 static int wacom_bamboo_pad_irq(struct wacom_wac *wacom, size_t len)
3170 {
3171 	unsigned char *data = wacom->data;
3172 
3173 	if (!((len == WACOM_PKGLEN_BPAD_TOUCH) ||
3174 	      (len == WACOM_PKGLEN_BPAD_TOUCH_USB)) ||
3175 	    (data[0] != WACOM_REPORT_BPAD_TOUCH))
3176 		return 0;
3177 
3178 	if (data[1] & 0x01)
3179 		wacom_bamboo_pad_pen_event(wacom, &data[1]);
3180 
3181 	if (data[1] & 0x02)
3182 		return wacom_bamboo_pad_touch_event(wacom, &data[9]);
3183 
3184 	return 0;
3185 }
3186 
3187 static int wacom_wireless_irq(struct wacom_wac *wacom, size_t len)
3188 {
3189 	unsigned char *data = wacom->data;
3190 	int connected;
3191 
3192 	if (len != WACOM_PKGLEN_WIRELESS || data[0] != WACOM_REPORT_WL)
3193 		return 0;
3194 
3195 	connected = data[1] & 0x01;
3196 	if (connected) {
3197 		int pid, battery, charging;
3198 
3199 		if ((wacom->shared->type == INTUOSHT ||
3200 		    wacom->shared->type == INTUOSHT2) &&
3201 		    wacom->shared->touch_input &&
3202 		    wacom->shared->touch_max) {
3203 			input_report_switch(wacom->shared->touch_input,
3204 					SW_MUTE_DEVICE, data[5] & 0x40);
3205 			input_sync(wacom->shared->touch_input);
3206 		}
3207 
3208 		pid = get_unaligned_be16(&data[6]);
3209 		battery = (data[5] & 0x3f) * 100 / 31;
3210 		charging = !!(data[5] & 0x80);
3211 		if (wacom->pid != pid) {
3212 			wacom->pid = pid;
3213 			wacom_schedule_work(wacom, WACOM_WORKER_WIRELESS);
3214 		}
3215 
3216 		wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
3217 				     battery, charging, 1, 0);
3218 
3219 	} else if (wacom->pid != 0) {
3220 		/* disconnected while previously connected */
3221 		wacom->pid = 0;
3222 		wacom_schedule_work(wacom, WACOM_WORKER_WIRELESS);
3223 		wacom_notify_battery(wacom, POWER_SUPPLY_STATUS_UNKNOWN, 0, 0, 0, 0);
3224 	}
3225 
3226 	return 0;
3227 }
3228 
3229 static int wacom_status_irq(struct wacom_wac *wacom_wac, size_t len)
3230 {
3231 	struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
3232 	struct wacom_features *features = &wacom_wac->features;
3233 	unsigned char *data = wacom_wac->data;
3234 
3235 	if (data[0] != WACOM_REPORT_USB)
3236 		return 0;
3237 
3238 	if ((features->type == INTUOSHT ||
3239 	    features->type == INTUOSHT2) &&
3240 	    wacom_wac->shared->touch_input &&
3241 	    features->touch_max) {
3242 		input_report_switch(wacom_wac->shared->touch_input,
3243 				    SW_MUTE_DEVICE, data[8] & 0x40);
3244 		input_sync(wacom_wac->shared->touch_input);
3245 	}
3246 
3247 	if (data[9] & 0x02) { /* wireless module is attached */
3248 		int battery = (data[8] & 0x3f) * 100 / 31;
3249 		bool charging = !!(data[8] & 0x80);
3250 
3251 		wacom_notify_battery(wacom_wac, WACOM_POWER_SUPPLY_STATUS_AUTO,
3252 				     battery, charging, battery || charging, 1);
3253 
3254 		if (!wacom->battery.battery &&
3255 		    !(features->quirks & WACOM_QUIRK_BATTERY)) {
3256 			features->quirks |= WACOM_QUIRK_BATTERY;
3257 			wacom_schedule_work(wacom_wac, WACOM_WORKER_BATTERY);
3258 		}
3259 	}
3260 	else if ((features->quirks & WACOM_QUIRK_BATTERY) &&
3261 		 wacom->battery.battery) {
3262 		features->quirks &= ~WACOM_QUIRK_BATTERY;
3263 		wacom_schedule_work(wacom_wac, WACOM_WORKER_BATTERY);
3264 		wacom_notify_battery(wacom_wac, POWER_SUPPLY_STATUS_UNKNOWN, 0, 0, 0, 0);
3265 	}
3266 	return 0;
3267 }
3268 
3269 void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len)
3270 {
3271 	bool sync;
3272 
3273 	switch (wacom_wac->features.type) {
3274 	case PENPARTNER:
3275 		sync = wacom_penpartner_irq(wacom_wac);
3276 		break;
3277 
3278 	case PL:
3279 		sync = wacom_pl_irq(wacom_wac);
3280 		break;
3281 
3282 	case WACOM_G4:
3283 	case GRAPHIRE:
3284 	case GRAPHIRE_BT:
3285 	case WACOM_MO:
3286 		sync = wacom_graphire_irq(wacom_wac);
3287 		break;
3288 
3289 	case PTU:
3290 		sync = wacom_ptu_irq(wacom_wac);
3291 		break;
3292 
3293 	case DTU:
3294 		sync = wacom_dtu_irq(wacom_wac);
3295 		break;
3296 
3297 	case DTUS:
3298 	case DTUSX:
3299 		sync = wacom_dtus_irq(wacom_wac);
3300 		break;
3301 
3302 	case INTUOS:
3303 	case INTUOS3S:
3304 	case INTUOS3:
3305 	case INTUOS3L:
3306 	case INTUOS4S:
3307 	case INTUOS4:
3308 	case INTUOS4L:
3309 	case CINTIQ:
3310 	case WACOM_BEE:
3311 	case WACOM_13HD:
3312 	case WACOM_21UX2:
3313 	case WACOM_22HD:
3314 	case WACOM_24HD:
3315 	case WACOM_27QHD:
3316 	case DTK:
3317 	case CINTIQ_HYBRID:
3318 	case CINTIQ_COMPANION_2:
3319 		sync = wacom_intuos_irq(wacom_wac);
3320 		break;
3321 
3322 	case INTUOS4WL:
3323 		sync = wacom_intuos_bt_irq(wacom_wac, len);
3324 		break;
3325 
3326 	case WACOM_24HDT:
3327 	case WACOM_27QHDT:
3328 		sync = wacom_24hdt_irq(wacom_wac);
3329 		break;
3330 
3331 	case INTUOS5S:
3332 	case INTUOS5:
3333 	case INTUOS5L:
3334 	case INTUOSPS:
3335 	case INTUOSPM:
3336 	case INTUOSPL:
3337 		if (len == WACOM_PKGLEN_BBTOUCH3)
3338 			sync = wacom_bpt3_touch(wacom_wac);
3339 		else if (wacom_wac->data[0] == WACOM_REPORT_USB)
3340 			sync = wacom_status_irq(wacom_wac, len);
3341 		else
3342 			sync = wacom_intuos_irq(wacom_wac);
3343 		break;
3344 
3345 	case INTUOSP2_BT:
3346 	case INTUOSP2S_BT:
3347 	case INTUOSHT3_BT:
3348 		sync = wacom_intuos_pro2_bt_irq(wacom_wac, len);
3349 		break;
3350 
3351 	case TABLETPC:
3352 	case TABLETPCE:
3353 	case TABLETPC2FG:
3354 	case MTSCREEN:
3355 	case MTTPC:
3356 	case MTTPC_B:
3357 		sync = wacom_tpc_irq(wacom_wac, len);
3358 		break;
3359 
3360 	case BAMBOO_PT:
3361 	case BAMBOO_PEN:
3362 	case BAMBOO_TOUCH:
3363 	case INTUOSHT:
3364 	case INTUOSHT2:
3365 		if (wacom_wac->data[0] == WACOM_REPORT_USB)
3366 			sync = wacom_status_irq(wacom_wac, len);
3367 		else
3368 			sync = wacom_bpt_irq(wacom_wac, len);
3369 		break;
3370 
3371 	case BAMBOO_PAD:
3372 		sync = wacom_bamboo_pad_irq(wacom_wac, len);
3373 		break;
3374 
3375 	case WIRELESS:
3376 		sync = wacom_wireless_irq(wacom_wac, len);
3377 		break;
3378 
3379 	case REMOTE:
3380 		sync = false;
3381 		if (wacom_wac->data[0] == WACOM_REPORT_DEVICE_LIST)
3382 			wacom_remote_status_irq(wacom_wac, len);
3383 		else
3384 			sync = wacom_remote_irq(wacom_wac, len);
3385 		break;
3386 
3387 	default:
3388 		sync = false;
3389 		break;
3390 	}
3391 
3392 	if (sync) {
3393 		if (wacom_wac->pen_input)
3394 			input_sync(wacom_wac->pen_input);
3395 		if (wacom_wac->touch_input)
3396 			input_sync(wacom_wac->touch_input);
3397 		if (wacom_wac->pad_input)
3398 			input_sync(wacom_wac->pad_input);
3399 	}
3400 }
3401 
3402 static void wacom_setup_basic_pro_pen(struct wacom_wac *wacom_wac)
3403 {
3404 	struct input_dev *input_dev = wacom_wac->pen_input;
3405 
3406 	input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
3407 
3408 	__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3409 	__set_bit(BTN_STYLUS, input_dev->keybit);
3410 	__set_bit(BTN_STYLUS2, input_dev->keybit);
3411 
3412 	input_set_abs_params(input_dev, ABS_DISTANCE,
3413 			     0, wacom_wac->features.distance_max, wacom_wac->features.distance_fuzz, 0);
3414 }
3415 
3416 static void wacom_setup_cintiq(struct wacom_wac *wacom_wac)
3417 {
3418 	struct input_dev *input_dev = wacom_wac->pen_input;
3419 	struct wacom_features *features = &wacom_wac->features;
3420 
3421 	wacom_setup_basic_pro_pen(wacom_wac);
3422 
3423 	__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3424 	__set_bit(BTN_TOOL_BRUSH, input_dev->keybit);
3425 	__set_bit(BTN_TOOL_PENCIL, input_dev->keybit);
3426 	__set_bit(BTN_TOOL_AIRBRUSH, input_dev->keybit);
3427 
3428 	input_set_abs_params(input_dev, ABS_WHEEL, 0, 1023, 0, 0);
3429 	input_set_abs_params(input_dev, ABS_TILT_X, -64, 63, features->tilt_fuzz, 0);
3430 	input_abs_set_res(input_dev, ABS_TILT_X, 57);
3431 	input_set_abs_params(input_dev, ABS_TILT_Y, -64, 63, features->tilt_fuzz, 0);
3432 	input_abs_set_res(input_dev, ABS_TILT_Y, 57);
3433 }
3434 
3435 static void wacom_setup_intuos(struct wacom_wac *wacom_wac)
3436 {
3437 	struct input_dev *input_dev = wacom_wac->pen_input;
3438 
3439 	input_set_capability(input_dev, EV_REL, REL_WHEEL);
3440 
3441 	wacom_setup_cintiq(wacom_wac);
3442 
3443 	__set_bit(BTN_LEFT, input_dev->keybit);
3444 	__set_bit(BTN_RIGHT, input_dev->keybit);
3445 	__set_bit(BTN_MIDDLE, input_dev->keybit);
3446 	__set_bit(BTN_SIDE, input_dev->keybit);
3447 	__set_bit(BTN_EXTRA, input_dev->keybit);
3448 	__set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
3449 	__set_bit(BTN_TOOL_LENS, input_dev->keybit);
3450 
3451 	input_set_abs_params(input_dev, ABS_RZ, -900, 899, 0, 0);
3452 	input_abs_set_res(input_dev, ABS_RZ, 287);
3453 	input_set_abs_params(input_dev, ABS_THROTTLE, -1023, 1023, 0, 0);
3454 }
3455 
3456 void wacom_setup_device_quirks(struct wacom *wacom)
3457 {
3458 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
3459 	struct wacom_features *features = &wacom->wacom_wac.features;
3460 
3461 	/* The pen and pad share the same interface on most devices */
3462 	if (features->type == GRAPHIRE_BT || features->type == WACOM_G4 ||
3463 	    features->type == DTUS ||
3464 	    (features->type >= INTUOS3S && features->type <= WACOM_MO)) {
3465 		if (features->device_type & WACOM_DEVICETYPE_PEN)
3466 			features->device_type |= WACOM_DEVICETYPE_PAD;
3467 	}
3468 
3469 	/* touch device found but size is not defined. use default */
3470 	if (features->device_type & WACOM_DEVICETYPE_TOUCH && !features->x_max) {
3471 		features->x_max = 1023;
3472 		features->y_max = 1023;
3473 	}
3474 
3475 	/*
3476 	 * Intuos5/Pro and Bamboo 3rd gen have no useful data about its
3477 	 * touch interface in its HID descriptor. If this is the touch
3478 	 * interface (PacketSize of WACOM_PKGLEN_BBTOUCH3), override the
3479 	 * tablet values.
3480 	 */
3481 	if ((features->type >= INTUOS5S && features->type <= INTUOSPL) ||
3482 		(features->type >= INTUOSHT && features->type <= BAMBOO_PT)) {
3483 		if (features->pktlen == WACOM_PKGLEN_BBTOUCH3) {
3484 			if (features->touch_max)
3485 				features->device_type |= WACOM_DEVICETYPE_TOUCH;
3486 			if (features->type >= INTUOSHT && features->type <= BAMBOO_PT)
3487 				features->device_type |= WACOM_DEVICETYPE_PAD;
3488 
3489 			if (features->type == INTUOSHT2) {
3490 				features->x_max = features->x_max / 10;
3491 				features->y_max = features->y_max / 10;
3492 			}
3493 			else {
3494 				features->x_max = 4096;
3495 				features->y_max = 4096;
3496 			}
3497 		}
3498 		else if (features->pktlen == WACOM_PKGLEN_BBTOUCH) {
3499 			features->device_type |= WACOM_DEVICETYPE_PAD;
3500 		}
3501 	}
3502 
3503 	/*
3504 	 * Hack for the Bamboo One:
3505 	 * the device presents a PAD/Touch interface as most Bamboos and even
3506 	 * sends ghosts PAD data on it. However, later, we must disable this
3507 	 * ghost interface, and we can not detect it unless we set it here
3508 	 * to WACOM_DEVICETYPE_PAD or WACOM_DEVICETYPE_TOUCH.
3509 	 */
3510 	if (features->type == BAMBOO_PEN &&
3511 	    features->pktlen == WACOM_PKGLEN_BBTOUCH3)
3512 		features->device_type |= WACOM_DEVICETYPE_PAD;
3513 
3514 	/*
3515 	 * Raw Wacom-mode pen and touch events both come from interface
3516 	 * 0, whose HID descriptor has an application usage of 0xFF0D
3517 	 * (i.e., WACOM_HID_WD_DIGITIZER). We route pen packets back
3518 	 * out through the HID_GENERIC device created for interface 1,
3519 	 * so rewrite this one to be of type WACOM_DEVICETYPE_TOUCH.
3520 	 */
3521 	if (features->type == BAMBOO_PAD)
3522 		features->device_type = WACOM_DEVICETYPE_TOUCH;
3523 
3524 	if (features->type == REMOTE)
3525 		features->device_type = WACOM_DEVICETYPE_PAD;
3526 
3527 	if (features->type == INTUOSP2_BT ||
3528 	    features->type == INTUOSP2S_BT) {
3529 		features->device_type |= WACOM_DEVICETYPE_PEN |
3530 					 WACOM_DEVICETYPE_PAD |
3531 					 WACOM_DEVICETYPE_TOUCH;
3532 		features->quirks |= WACOM_QUIRK_BATTERY;
3533 	}
3534 
3535 	if (features->type == INTUOSHT3_BT) {
3536 		features->device_type |= WACOM_DEVICETYPE_PEN |
3537 					 WACOM_DEVICETYPE_PAD;
3538 		features->quirks |= WACOM_QUIRK_BATTERY;
3539 	}
3540 
3541 	switch (features->type) {
3542 	case PL:
3543 	case DTU:
3544 	case DTUS:
3545 	case DTUSX:
3546 	case WACOM_21UX2:
3547 	case WACOM_22HD:
3548 	case DTK:
3549 	case WACOM_24HD:
3550 	case WACOM_27QHD:
3551 	case CINTIQ_HYBRID:
3552 	case CINTIQ_COMPANION_2:
3553 	case CINTIQ:
3554 	case WACOM_BEE:
3555 	case WACOM_13HD:
3556 	case WACOM_24HDT:
3557 	case WACOM_27QHDT:
3558 	case TABLETPC:
3559 	case TABLETPCE:
3560 	case TABLETPC2FG:
3561 	case MTSCREEN:
3562 	case MTTPC:
3563 	case MTTPC_B:
3564 		features->device_type |= WACOM_DEVICETYPE_DIRECT;
3565 		break;
3566 	}
3567 
3568 	if (wacom->hdev->bus == BUS_BLUETOOTH)
3569 		features->quirks |= WACOM_QUIRK_BATTERY;
3570 
3571 	/* quirk for bamboo touch with 2 low res touches */
3572 	if ((features->type == BAMBOO_PT || features->type == BAMBOO_TOUCH) &&
3573 	    features->pktlen == WACOM_PKGLEN_BBTOUCH) {
3574 		features->x_max <<= 5;
3575 		features->y_max <<= 5;
3576 		features->x_fuzz <<= 5;
3577 		features->y_fuzz <<= 5;
3578 		features->quirks |= WACOM_QUIRK_BBTOUCH_LOWRES;
3579 	}
3580 
3581 	if (features->type == WIRELESS) {
3582 		if (features->device_type == WACOM_DEVICETYPE_WL_MONITOR) {
3583 			features->quirks |= WACOM_QUIRK_BATTERY;
3584 		}
3585 	}
3586 
3587 	if (features->type == REMOTE)
3588 		features->device_type |= WACOM_DEVICETYPE_WL_MONITOR;
3589 
3590 	/* HID descriptor for DTK-2451 / DTH-2452 claims to report lots
3591 	 * of things it shouldn't. Lets fix up the damage...
3592 	 */
3593 	if (wacom->hdev->product == 0x382 || wacom->hdev->product == 0x37d) {
3594 		features->quirks &= ~WACOM_QUIRK_TOOLSERIAL;
3595 		__clear_bit(BTN_TOOL_BRUSH, wacom_wac->pen_input->keybit);
3596 		__clear_bit(BTN_TOOL_PENCIL, wacom_wac->pen_input->keybit);
3597 		__clear_bit(BTN_TOOL_AIRBRUSH, wacom_wac->pen_input->keybit);
3598 		__clear_bit(ABS_Z, wacom_wac->pen_input->absbit);
3599 		__clear_bit(ABS_DISTANCE, wacom_wac->pen_input->absbit);
3600 		__clear_bit(ABS_TILT_X, wacom_wac->pen_input->absbit);
3601 		__clear_bit(ABS_TILT_Y, wacom_wac->pen_input->absbit);
3602 		__clear_bit(ABS_WHEEL, wacom_wac->pen_input->absbit);
3603 		__clear_bit(ABS_MISC, wacom_wac->pen_input->absbit);
3604 		__clear_bit(MSC_SERIAL, wacom_wac->pen_input->mscbit);
3605 		__clear_bit(EV_MSC, wacom_wac->pen_input->evbit);
3606 	}
3607 }
3608 
3609 int wacom_setup_pen_input_capabilities(struct input_dev *input_dev,
3610 				   struct wacom_wac *wacom_wac)
3611 {
3612 	struct wacom_features *features = &wacom_wac->features;
3613 
3614 	input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
3615 
3616 	if (!(features->device_type & WACOM_DEVICETYPE_PEN))
3617 		return -ENODEV;
3618 
3619 	if (features->device_type & WACOM_DEVICETYPE_DIRECT)
3620 		__set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
3621 	else
3622 		__set_bit(INPUT_PROP_POINTER, input_dev->propbit);
3623 
3624 	if (features->type == HID_GENERIC) {
3625 		/* setup has already been done; apply otherwise-undetectible quirks */
3626 		input_set_capability(input_dev, EV_KEY, BTN_STYLUS3);
3627 		return 0;
3628 	}
3629 
3630 	__set_bit(BTN_TOUCH, input_dev->keybit);
3631 	__set_bit(ABS_MISC, input_dev->absbit);
3632 
3633 	input_set_abs_params(input_dev, ABS_X, 0 + features->offset_left,
3634 			     features->x_max - features->offset_right,
3635 			     features->x_fuzz, 0);
3636 	input_set_abs_params(input_dev, ABS_Y, 0 + features->offset_top,
3637 			     features->y_max - features->offset_bottom,
3638 			     features->y_fuzz, 0);
3639 	input_set_abs_params(input_dev, ABS_PRESSURE, 0,
3640 		features->pressure_max, features->pressure_fuzz, 0);
3641 
3642 	/* penabled devices have fixed resolution for each model */
3643 	input_abs_set_res(input_dev, ABS_X, features->x_resolution);
3644 	input_abs_set_res(input_dev, ABS_Y, features->y_resolution);
3645 
3646 	switch (features->type) {
3647 	case GRAPHIRE_BT:
3648 		__clear_bit(ABS_MISC, input_dev->absbit);
3649 		/* fall through */
3650 
3651 	case WACOM_MO:
3652 	case WACOM_G4:
3653 		input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3654 					      features->distance_max,
3655 					      features->distance_fuzz, 0);
3656 		/* fall through */
3657 
3658 	case GRAPHIRE:
3659 		input_set_capability(input_dev, EV_REL, REL_WHEEL);
3660 
3661 		__set_bit(BTN_LEFT, input_dev->keybit);
3662 		__set_bit(BTN_RIGHT, input_dev->keybit);
3663 		__set_bit(BTN_MIDDLE, input_dev->keybit);
3664 
3665 		__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3666 		__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3667 		__set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
3668 		__set_bit(BTN_STYLUS, input_dev->keybit);
3669 		__set_bit(BTN_STYLUS2, input_dev->keybit);
3670 		break;
3671 
3672 	case WACOM_27QHD:
3673 	case WACOM_24HD:
3674 	case DTK:
3675 	case WACOM_22HD:
3676 	case WACOM_21UX2:
3677 	case WACOM_BEE:
3678 	case CINTIQ:
3679 	case WACOM_13HD:
3680 	case CINTIQ_HYBRID:
3681 	case CINTIQ_COMPANION_2:
3682 		input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3683 		input_abs_set_res(input_dev, ABS_Z, 287);
3684 		wacom_setup_cintiq(wacom_wac);
3685 		break;
3686 
3687 	case INTUOS3:
3688 	case INTUOS3L:
3689 	case INTUOS3S:
3690 	case INTUOS4:
3691 	case INTUOS4WL:
3692 	case INTUOS4L:
3693 	case INTUOS4S:
3694 		input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3695 		input_abs_set_res(input_dev, ABS_Z, 287);
3696 		/* fall through */
3697 
3698 	case INTUOS:
3699 		wacom_setup_intuos(wacom_wac);
3700 		break;
3701 
3702 	case INTUOS5:
3703 	case INTUOS5L:
3704 	case INTUOSPM:
3705 	case INTUOSPL:
3706 	case INTUOS5S:
3707 	case INTUOSPS:
3708 	case INTUOSP2_BT:
3709 	case INTUOSP2S_BT:
3710 		input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3711 				      features->distance_max,
3712 				      features->distance_fuzz, 0);
3713 
3714 		input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3715 		input_abs_set_res(input_dev, ABS_Z, 287);
3716 
3717 		wacom_setup_intuos(wacom_wac);
3718 		break;
3719 
3720 	case WACOM_24HDT:
3721 	case WACOM_27QHDT:
3722 	case MTSCREEN:
3723 	case MTTPC:
3724 	case MTTPC_B:
3725 	case TABLETPC2FG:
3726 	case TABLETPC:
3727 	case TABLETPCE:
3728 		__clear_bit(ABS_MISC, input_dev->absbit);
3729 		/* fall through */
3730 
3731 	case DTUS:
3732 	case DTUSX:
3733 	case PL:
3734 	case DTU:
3735 		__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3736 		__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3737 		__set_bit(BTN_STYLUS, input_dev->keybit);
3738 		__set_bit(BTN_STYLUS2, input_dev->keybit);
3739 		break;
3740 
3741 	case PTU:
3742 		__set_bit(BTN_STYLUS2, input_dev->keybit);
3743 		/* fall through */
3744 
3745 	case PENPARTNER:
3746 		__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3747 		__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3748 		__set_bit(BTN_STYLUS, input_dev->keybit);
3749 		break;
3750 
3751 	case INTUOSHT:
3752 	case BAMBOO_PT:
3753 	case BAMBOO_PEN:
3754 	case INTUOSHT2:
3755 	case INTUOSHT3_BT:
3756 		if (features->type == INTUOSHT2 ||
3757 		    features->type == INTUOSHT3_BT) {
3758 			wacom_setup_basic_pro_pen(wacom_wac);
3759 		} else {
3760 			__clear_bit(ABS_MISC, input_dev->absbit);
3761 			__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3762 			__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3763 			__set_bit(BTN_STYLUS, input_dev->keybit);
3764 			__set_bit(BTN_STYLUS2, input_dev->keybit);
3765 			input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3766 				      features->distance_max,
3767 				      features->distance_fuzz, 0);
3768 		}
3769 		break;
3770 	case BAMBOO_PAD:
3771 		__clear_bit(ABS_MISC, input_dev->absbit);
3772 		break;
3773 	}
3774 	return 0;
3775 }
3776 
3777 int wacom_setup_touch_input_capabilities(struct input_dev *input_dev,
3778 					 struct wacom_wac *wacom_wac)
3779 {
3780 	struct wacom_features *features = &wacom_wac->features;
3781 
3782 	input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
3783 
3784 	if (!(features->device_type & WACOM_DEVICETYPE_TOUCH))
3785 		return -ENODEV;
3786 
3787 	if (features->device_type & WACOM_DEVICETYPE_DIRECT)
3788 		__set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
3789 	else
3790 		__set_bit(INPUT_PROP_POINTER, input_dev->propbit);
3791 
3792 	if (features->type == HID_GENERIC)
3793 		/* setup has already been done */
3794 		return 0;
3795 
3796 	__set_bit(BTN_TOUCH, input_dev->keybit);
3797 
3798 	if (features->touch_max == 1) {
3799 		input_set_abs_params(input_dev, ABS_X, 0,
3800 			features->x_max, features->x_fuzz, 0);
3801 		input_set_abs_params(input_dev, ABS_Y, 0,
3802 			features->y_max, features->y_fuzz, 0);
3803 		input_abs_set_res(input_dev, ABS_X,
3804 				  features->x_resolution);
3805 		input_abs_set_res(input_dev, ABS_Y,
3806 				  features->y_resolution);
3807 	}
3808 	else if (features->touch_max > 1) {
3809 		input_set_abs_params(input_dev, ABS_MT_POSITION_X, 0,
3810 			features->x_max, features->x_fuzz, 0);
3811 		input_set_abs_params(input_dev, ABS_MT_POSITION_Y, 0,
3812 			features->y_max, features->y_fuzz, 0);
3813 		input_abs_set_res(input_dev, ABS_MT_POSITION_X,
3814 				  features->x_resolution);
3815 		input_abs_set_res(input_dev, ABS_MT_POSITION_Y,
3816 				  features->y_resolution);
3817 	}
3818 
3819 	switch (features->type) {
3820 	case INTUOSP2_BT:
3821 	case INTUOSP2S_BT:
3822 		input_dev->evbit[0] |= BIT_MASK(EV_SW);
3823 		__set_bit(SW_MUTE_DEVICE, input_dev->swbit);
3824 
3825 		if (wacom_wac->shared->touch->product == 0x361) {
3826 			input_set_abs_params(input_dev, ABS_MT_POSITION_X,
3827 					     0, 12440, 4, 0);
3828 			input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
3829 					     0, 8640, 4, 0);
3830 		}
3831 		else if (wacom_wac->shared->touch->product == 0x360) {
3832 			input_set_abs_params(input_dev, ABS_MT_POSITION_X,
3833 					     0, 8960, 4, 0);
3834 			input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
3835 					     0, 5920, 4, 0);
3836 		}
3837 		else if (wacom_wac->shared->touch->product == 0x393) {
3838 			input_set_abs_params(input_dev, ABS_MT_POSITION_X,
3839 					     0, 6400, 4, 0);
3840 			input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
3841 					     0, 4000, 4, 0);
3842 		}
3843 		input_abs_set_res(input_dev, ABS_MT_POSITION_X, 40);
3844 		input_abs_set_res(input_dev, ABS_MT_POSITION_Y, 40);
3845 
3846 		/* fall through */
3847 
3848 	case INTUOS5:
3849 	case INTUOS5L:
3850 	case INTUOSPM:
3851 	case INTUOSPL:
3852 	case INTUOS5S:
3853 	case INTUOSPS:
3854 		input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, features->x_max, 0, 0);
3855 		input_set_abs_params(input_dev, ABS_MT_TOUCH_MINOR, 0, features->y_max, 0, 0);
3856 		input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_POINTER);
3857 		break;
3858 
3859 	case WACOM_24HDT:
3860 		input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, features->x_max, 0, 0);
3861 		input_set_abs_params(input_dev, ABS_MT_WIDTH_MAJOR, 0, features->x_max, 0, 0);
3862 		input_set_abs_params(input_dev, ABS_MT_WIDTH_MINOR, 0, features->y_max, 0, 0);
3863 		input_set_abs_params(input_dev, ABS_MT_ORIENTATION, 0, 1, 0, 0);
3864 		/* fall through */
3865 
3866 	case WACOM_27QHDT:
3867 		if (wacom_wac->shared->touch->product == 0x32C ||
3868 		    wacom_wac->shared->touch->product == 0xF6) {
3869 			input_dev->evbit[0] |= BIT_MASK(EV_SW);
3870 			__set_bit(SW_MUTE_DEVICE, input_dev->swbit);
3871 			wacom_wac->shared->has_mute_touch_switch = true;
3872 		}
3873 		/* fall through */
3874 
3875 	case MTSCREEN:
3876 	case MTTPC:
3877 	case MTTPC_B:
3878 	case TABLETPC2FG:
3879 		input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_DIRECT);
3880 		/*fall through */
3881 
3882 	case TABLETPC:
3883 	case TABLETPCE:
3884 		break;
3885 
3886 	case INTUOSHT:
3887 	case INTUOSHT2:
3888 		input_dev->evbit[0] |= BIT_MASK(EV_SW);
3889 		__set_bit(SW_MUTE_DEVICE, input_dev->swbit);
3890 		/* fall through */
3891 
3892 	case BAMBOO_PT:
3893 	case BAMBOO_TOUCH:
3894 		if (features->pktlen == WACOM_PKGLEN_BBTOUCH3) {
3895 			input_set_abs_params(input_dev,
3896 				     ABS_MT_TOUCH_MAJOR,
3897 				     0, features->x_max, 0, 0);
3898 			input_set_abs_params(input_dev,
3899 				     ABS_MT_TOUCH_MINOR,
3900 				     0, features->y_max, 0, 0);
3901 		}
3902 		input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_POINTER);
3903 		break;
3904 
3905 	case BAMBOO_PAD:
3906 		input_mt_init_slots(input_dev, features->touch_max,
3907 				    INPUT_MT_POINTER);
3908 		__set_bit(BTN_LEFT, input_dev->keybit);
3909 		__set_bit(BTN_RIGHT, input_dev->keybit);
3910 		break;
3911 	}
3912 	return 0;
3913 }
3914 
3915 static int wacom_numbered_button_to_key(int n)
3916 {
3917 	if (n < 10)
3918 		return BTN_0 + n;
3919 	else if (n < 16)
3920 		return BTN_A + (n-10);
3921 	else if (n < 18)
3922 		return BTN_BASE + (n-16);
3923 	else
3924 		return 0;
3925 }
3926 
3927 static void wacom_setup_numbered_buttons(struct input_dev *input_dev,
3928 				int button_count)
3929 {
3930 	int i;
3931 
3932 	for (i = 0; i < button_count; i++) {
3933 		int key = wacom_numbered_button_to_key(i);
3934 
3935 		if (key)
3936 			__set_bit(key, input_dev->keybit);
3937 	}
3938 }
3939 
3940 static void wacom_24hd_update_leds(struct wacom *wacom, int mask, int group)
3941 {
3942 	struct wacom_led *led;
3943 	int i;
3944 	bool updated = false;
3945 
3946 	/*
3947 	 * 24HD has LED group 1 to the left and LED group 0 to the right.
3948 	 * So group 0 matches the second half of the buttons and thus the mask
3949 	 * needs to be shifted.
3950 	 */
3951 	if (group == 0)
3952 		mask >>= 8;
3953 
3954 	for (i = 0; i < 3; i++) {
3955 		led = wacom_led_find(wacom, group, i);
3956 		if (!led) {
3957 			hid_err(wacom->hdev, "can't find LED %d in group %d\n",
3958 				i, group);
3959 			continue;
3960 		}
3961 		if (!updated && mask & BIT(i)) {
3962 			led->held = true;
3963 			led_trigger_event(&led->trigger, LED_FULL);
3964 		} else {
3965 			led->held = false;
3966 		}
3967 	}
3968 }
3969 
3970 static bool wacom_is_led_toggled(struct wacom *wacom, int button_count,
3971 				 int mask, int group)
3972 {
3973 	int group_button;
3974 
3975 	/*
3976 	 * 21UX2 has LED group 1 to the left and LED group 0
3977 	 * to the right. We need to reverse the group to match this
3978 	 * historical behavior.
3979 	 */
3980 	if (wacom->wacom_wac.features.type == WACOM_21UX2)
3981 		group = 1 - group;
3982 
3983 	group_button = group * (button_count/wacom->led.count);
3984 
3985 	if (wacom->wacom_wac.features.type == INTUOSP2_BT)
3986 		group_button = 8;
3987 
3988 	return mask & (1 << group_button);
3989 }
3990 
3991 static void wacom_update_led(struct wacom *wacom, int button_count, int mask,
3992 			     int group)
3993 {
3994 	struct wacom_led *led, *next_led;
3995 	int cur;
3996 	bool pressed;
3997 
3998 	if (wacom->wacom_wac.features.type == WACOM_24HD)
3999 		return wacom_24hd_update_leds(wacom, mask, group);
4000 
4001 	pressed = wacom_is_led_toggled(wacom, button_count, mask, group);
4002 	cur = wacom->led.groups[group].select;
4003 
4004 	led = wacom_led_find(wacom, group, cur);
4005 	if (!led) {
4006 		hid_err(wacom->hdev, "can't find current LED %d in group %d\n",
4007 			cur, group);
4008 		return;
4009 	}
4010 
4011 	if (!pressed) {
4012 		led->held = false;
4013 		return;
4014 	}
4015 
4016 	if (led->held && pressed)
4017 		return;
4018 
4019 	next_led = wacom_led_next(wacom, led);
4020 	if (!next_led) {
4021 		hid_err(wacom->hdev, "can't find next LED in group %d\n",
4022 			group);
4023 		return;
4024 	}
4025 	if (next_led == led)
4026 		return;
4027 
4028 	next_led->held = true;
4029 	led_trigger_event(&next_led->trigger,
4030 			  wacom_leds_brightness_get(next_led));
4031 }
4032 
4033 static void wacom_report_numbered_buttons(struct input_dev *input_dev,
4034 				int button_count, int mask)
4035 {
4036 	struct wacom *wacom = input_get_drvdata(input_dev);
4037 	int i;
4038 
4039 	for (i = 0; i < wacom->led.count; i++)
4040 		wacom_update_led(wacom,  button_count, mask, i);
4041 
4042 	for (i = 0; i < button_count; i++) {
4043 		int key = wacom_numbered_button_to_key(i);
4044 
4045 		if (key)
4046 			input_report_key(input_dev, key, mask & (1 << i));
4047 	}
4048 }
4049 
4050 int wacom_setup_pad_input_capabilities(struct input_dev *input_dev,
4051 				   struct wacom_wac *wacom_wac)
4052 {
4053 	struct wacom_features *features = &wacom_wac->features;
4054 
4055 	if ((features->type == HID_GENERIC) && features->numbered_buttons > 0)
4056 		features->device_type |= WACOM_DEVICETYPE_PAD;
4057 
4058 	if (!(features->device_type & WACOM_DEVICETYPE_PAD))
4059 		return -ENODEV;
4060 
4061 	if (features->type == REMOTE && input_dev == wacom_wac->pad_input)
4062 		return -ENODEV;
4063 
4064 	input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
4065 
4066 	/* kept for making legacy xf86-input-wacom working with the wheels */
4067 	__set_bit(ABS_MISC, input_dev->absbit);
4068 
4069 	/* kept for making legacy xf86-input-wacom accepting the pad */
4070 	if (!(input_dev->absinfo && (input_dev->absinfo[ABS_X].minimum ||
4071 	      input_dev->absinfo[ABS_X].maximum)))
4072 		input_set_abs_params(input_dev, ABS_X, 0, 1, 0, 0);
4073 	if (!(input_dev->absinfo && (input_dev->absinfo[ABS_Y].minimum ||
4074 	      input_dev->absinfo[ABS_Y].maximum)))
4075 		input_set_abs_params(input_dev, ABS_Y, 0, 1, 0, 0);
4076 
4077 	/* kept for making udev and libwacom accepting the pad */
4078 	__set_bit(BTN_STYLUS, input_dev->keybit);
4079 
4080 	wacom_setup_numbered_buttons(input_dev, features->numbered_buttons);
4081 
4082 	switch (features->type) {
4083 
4084 	case CINTIQ_HYBRID:
4085 	case CINTIQ_COMPANION_2:
4086 	case DTK:
4087 	case DTUS:
4088 	case GRAPHIRE_BT:
4089 		break;
4090 
4091 	case WACOM_MO:
4092 		__set_bit(BTN_BACK, input_dev->keybit);
4093 		__set_bit(BTN_LEFT, input_dev->keybit);
4094 		__set_bit(BTN_FORWARD, input_dev->keybit);
4095 		__set_bit(BTN_RIGHT, input_dev->keybit);
4096 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4097 		break;
4098 
4099 	case WACOM_G4:
4100 		__set_bit(BTN_BACK, input_dev->keybit);
4101 		__set_bit(BTN_FORWARD, input_dev->keybit);
4102 		input_set_capability(input_dev, EV_REL, REL_WHEEL);
4103 		break;
4104 
4105 	case WACOM_24HD:
4106 		__set_bit(KEY_PROG1, input_dev->keybit);
4107 		__set_bit(KEY_PROG2, input_dev->keybit);
4108 		__set_bit(KEY_PROG3, input_dev->keybit);
4109 
4110 		__set_bit(KEY_ONSCREEN_KEYBOARD, input_dev->keybit);
4111 		__set_bit(KEY_INFO, input_dev->keybit);
4112 
4113 		if (!features->oPid)
4114 			__set_bit(KEY_BUTTONCONFIG, input_dev->keybit);
4115 
4116 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4117 		input_set_abs_params(input_dev, ABS_THROTTLE, 0, 71, 0, 0);
4118 		break;
4119 
4120 	case WACOM_27QHD:
4121 		__set_bit(KEY_PROG1, input_dev->keybit);
4122 		__set_bit(KEY_PROG2, input_dev->keybit);
4123 		__set_bit(KEY_PROG3, input_dev->keybit);
4124 
4125 		__set_bit(KEY_ONSCREEN_KEYBOARD, input_dev->keybit);
4126 		__set_bit(KEY_BUTTONCONFIG, input_dev->keybit);
4127 
4128 		if (!features->oPid)
4129 			__set_bit(KEY_CONTROLPANEL, input_dev->keybit);
4130 		input_set_abs_params(input_dev, ABS_X, -2048, 2048, 0, 0);
4131 		input_abs_set_res(input_dev, ABS_X, 1024); /* points/g */
4132 		input_set_abs_params(input_dev, ABS_Y, -2048, 2048, 0, 0);
4133 		input_abs_set_res(input_dev, ABS_Y, 1024);
4134 		input_set_abs_params(input_dev, ABS_Z, -2048, 2048, 0, 0);
4135 		input_abs_set_res(input_dev, ABS_Z, 1024);
4136 		__set_bit(INPUT_PROP_ACCELEROMETER, input_dev->propbit);
4137 		break;
4138 
4139 	case WACOM_22HD:
4140 		__set_bit(KEY_PROG1, input_dev->keybit);
4141 		__set_bit(KEY_PROG2, input_dev->keybit);
4142 		__set_bit(KEY_PROG3, input_dev->keybit);
4143 
4144 		__set_bit(KEY_BUTTONCONFIG, input_dev->keybit);
4145 		__set_bit(KEY_INFO, input_dev->keybit);
4146 		/* fall through */
4147 
4148 	case WACOM_21UX2:
4149 	case WACOM_BEE:
4150 	case CINTIQ:
4151 		input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
4152 		input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
4153 		break;
4154 
4155 	case WACOM_13HD:
4156 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4157 		break;
4158 
4159 	case INTUOS3:
4160 	case INTUOS3L:
4161 		input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
4162 		/* fall through */
4163 
4164 	case INTUOS3S:
4165 		input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
4166 		break;
4167 
4168 	case INTUOS5:
4169 	case INTUOS5L:
4170 	case INTUOSPM:
4171 	case INTUOSPL:
4172 	case INTUOS5S:
4173 	case INTUOSPS:
4174 	case INTUOSP2_BT:
4175 	case INTUOSP2S_BT:
4176 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4177 		break;
4178 
4179 	case INTUOS4WL:
4180 		/*
4181 		 * For Bluetooth devices, the udev rule does not work correctly
4182 		 * for pads unless we add a stylus capability, which forces
4183 		 * ID_INPUT_TABLET to be set.
4184 		 */
4185 		__set_bit(BTN_STYLUS, input_dev->keybit);
4186 		/* fall through */
4187 
4188 	case INTUOS4:
4189 	case INTUOS4L:
4190 	case INTUOS4S:
4191 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4192 		break;
4193 
4194 	case INTUOSHT:
4195 	case BAMBOO_PT:
4196 	case BAMBOO_TOUCH:
4197 	case INTUOSHT2:
4198 		__clear_bit(ABS_MISC, input_dev->absbit);
4199 
4200 		__set_bit(BTN_LEFT, input_dev->keybit);
4201 		__set_bit(BTN_FORWARD, input_dev->keybit);
4202 		__set_bit(BTN_BACK, input_dev->keybit);
4203 		__set_bit(BTN_RIGHT, input_dev->keybit);
4204 
4205 		break;
4206 
4207 	case REMOTE:
4208 		input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
4209 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4210 		break;
4211 
4212 	case INTUOSHT3_BT:
4213 	case HID_GENERIC:
4214 		break;
4215 
4216 	default:
4217 		/* no pad supported */
4218 		return -ENODEV;
4219 	}
4220 	return 0;
4221 }
4222 
4223 static const struct wacom_features wacom_features_0x00 =
4224 	{ "Wacom Penpartner", 5040, 3780, 255, 0,
4225 	  PENPARTNER, WACOM_PENPRTN_RES, WACOM_PENPRTN_RES };
4226 static const struct wacom_features wacom_features_0x10 =
4227 	{ "Wacom Graphire", 10206, 7422, 511, 63,
4228 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4229 static const struct wacom_features wacom_features_0x81 =
4230 	{ "Wacom Graphire BT", 16704, 12064, 511, 32,
4231 	  GRAPHIRE_BT, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES, 2 };
4232 static const struct wacom_features wacom_features_0x11 =
4233 	{ "Wacom Graphire2 4x5", 10206, 7422, 511, 63,
4234 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4235 static const struct wacom_features wacom_features_0x12 =
4236 	{ "Wacom Graphire2 5x7", 13918, 10206, 511, 63,
4237 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4238 static const struct wacom_features wacom_features_0x13 =
4239 	{ "Wacom Graphire3", 10208, 7424, 511, 63,
4240 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4241 static const struct wacom_features wacom_features_0x14 =
4242 	{ "Wacom Graphire3 6x8", 16704, 12064, 511, 63,
4243 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4244 static const struct wacom_features wacom_features_0x15 =
4245 	{ "Wacom Graphire4 4x5", 10208, 7424, 511, 63,
4246 	  WACOM_G4, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4247 static const struct wacom_features wacom_features_0x16 =
4248 	{ "Wacom Graphire4 6x8", 16704, 12064, 511, 63,
4249 	  WACOM_G4, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4250 static const struct wacom_features wacom_features_0x17 =
4251 	{ "Wacom BambooFun 4x5", 14760, 9225, 511, 63,
4252 	  WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4253 static const struct wacom_features wacom_features_0x18 =
4254 	{ "Wacom BambooFun 6x8", 21648, 13530, 511, 63,
4255 	  WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4256 static const struct wacom_features wacom_features_0x19 =
4257 	{ "Wacom Bamboo1 Medium", 16704, 12064, 511, 63,
4258 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4259 static const struct wacom_features wacom_features_0x60 =
4260 	{ "Wacom Volito", 5104, 3712, 511, 63,
4261 	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4262 static const struct wacom_features wacom_features_0x61 =
4263 	{ "Wacom PenStation2", 3250, 2320, 255, 63,
4264 	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4265 static const struct wacom_features wacom_features_0x62 =
4266 	{ "Wacom Volito2 4x5", 5104, 3712, 511, 63,
4267 	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4268 static const struct wacom_features wacom_features_0x63 =
4269 	{ "Wacom Volito2 2x3", 3248, 2320, 511, 63,
4270 	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4271 static const struct wacom_features wacom_features_0x64 =
4272 	{ "Wacom PenPartner2", 3250, 2320, 511, 63,
4273 	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4274 static const struct wacom_features wacom_features_0x65 =
4275 	{ "Wacom Bamboo", 14760, 9225, 511, 63,
4276 	  WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4277 static const struct wacom_features wacom_features_0x69 =
4278 	{ "Wacom Bamboo1", 5104, 3712, 511, 63,
4279 	  GRAPHIRE, WACOM_PENPRTN_RES, WACOM_PENPRTN_RES };
4280 static const struct wacom_features wacom_features_0x6A =
4281 	{ "Wacom Bamboo1 4x6", 14760, 9225, 1023, 63,
4282 	  GRAPHIRE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4283 static const struct wacom_features wacom_features_0x6B =
4284 	{ "Wacom Bamboo1 5x8", 21648, 13530, 1023, 63,
4285 	  GRAPHIRE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4286 static const struct wacom_features wacom_features_0x20 =
4287 	{ "Wacom Intuos 4x5", 12700, 10600, 1023, 31,
4288 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4289 static const struct wacom_features wacom_features_0x21 =
4290 	{ "Wacom Intuos 6x8", 20320, 16240, 1023, 31,
4291 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4292 static const struct wacom_features wacom_features_0x22 =
4293 	{ "Wacom Intuos 9x12", 30480, 24060, 1023, 31,
4294 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4295 static const struct wacom_features wacom_features_0x23 =
4296 	{ "Wacom Intuos 12x12", 30480, 31680, 1023, 31,
4297 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4298 static const struct wacom_features wacom_features_0x24 =
4299 	{ "Wacom Intuos 12x18", 45720, 31680, 1023, 31,
4300 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4301 static const struct wacom_features wacom_features_0x30 =
4302 	{ "Wacom PL400", 5408, 4056, 255, 0,
4303 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4304 static const struct wacom_features wacom_features_0x31 =
4305 	{ "Wacom PL500", 6144, 4608, 255, 0,
4306 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4307 static const struct wacom_features wacom_features_0x32 =
4308 	{ "Wacom PL600", 6126, 4604, 255, 0,
4309 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4310 static const struct wacom_features wacom_features_0x33 =
4311 	{ "Wacom PL600SX", 6260, 5016, 255, 0,
4312 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4313 static const struct wacom_features wacom_features_0x34 =
4314 	{ "Wacom PL550", 6144, 4608, 511, 0,
4315 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4316 static const struct wacom_features wacom_features_0x35 =
4317 	{ "Wacom PL800", 7220, 5780, 511, 0,
4318 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4319 static const struct wacom_features wacom_features_0x37 =
4320 	{ "Wacom PL700", 6758, 5406, 511, 0,
4321 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4322 static const struct wacom_features wacom_features_0x38 =
4323 	{ "Wacom PL510", 6282, 4762, 511, 0,
4324 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4325 static const struct wacom_features wacom_features_0x39 =
4326 	{ "Wacom DTU710", 34080, 27660, 511, 0,
4327 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4328 static const struct wacom_features wacom_features_0xC4 =
4329 	{ "Wacom DTF521", 6282, 4762, 511, 0,
4330 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4331 static const struct wacom_features wacom_features_0xC0 =
4332 	{ "Wacom DTF720", 6858, 5506, 511, 0,
4333 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4334 static const struct wacom_features wacom_features_0xC2 =
4335 	{ "Wacom DTF720a", 6858, 5506, 511, 0,
4336 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4337 static const struct wacom_features wacom_features_0x03 =
4338 	{ "Wacom Cintiq Partner", 20480, 15360, 511, 0,
4339 	  PTU, WACOM_PL_RES, WACOM_PL_RES };
4340 static const struct wacom_features wacom_features_0x41 =
4341 	{ "Wacom Intuos2 4x5", 12700, 10600, 1023, 31,
4342 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4343 static const struct wacom_features wacom_features_0x42 =
4344 	{ "Wacom Intuos2 6x8", 20320, 16240, 1023, 31,
4345 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4346 static const struct wacom_features wacom_features_0x43 =
4347 	{ "Wacom Intuos2 9x12", 30480, 24060, 1023, 31,
4348 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4349 static const struct wacom_features wacom_features_0x44 =
4350 	{ "Wacom Intuos2 12x12", 30480, 31680, 1023, 31,
4351 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4352 static const struct wacom_features wacom_features_0x45 =
4353 	{ "Wacom Intuos2 12x18", 45720, 31680, 1023, 31,
4354 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4355 static const struct wacom_features wacom_features_0xB0 =
4356 	{ "Wacom Intuos3 4x5", 25400, 20320, 1023, 63,
4357 	  INTUOS3S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 4 };
4358 static const struct wacom_features wacom_features_0xB1 =
4359 	{ "Wacom Intuos3 6x8", 40640, 30480, 1023, 63,
4360 	  INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4361 static const struct wacom_features wacom_features_0xB2 =
4362 	{ "Wacom Intuos3 9x12", 60960, 45720, 1023, 63,
4363 	  INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4364 static const struct wacom_features wacom_features_0xB3 =
4365 	{ "Wacom Intuos3 12x12", 60960, 60960, 1023, 63,
4366 	  INTUOS3L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4367 static const struct wacom_features wacom_features_0xB4 =
4368 	{ "Wacom Intuos3 12x19", 97536, 60960, 1023, 63,
4369 	  INTUOS3L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4370 static const struct wacom_features wacom_features_0xB5 =
4371 	{ "Wacom Intuos3 6x11", 54204, 31750, 1023, 63,
4372 	  INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4373 static const struct wacom_features wacom_features_0xB7 =
4374 	{ "Wacom Intuos3 4x6", 31496, 19685, 1023, 63,
4375 	  INTUOS3S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 4 };
4376 static const struct wacom_features wacom_features_0xB8 =
4377 	{ "Wacom Intuos4 4x6", 31496, 19685, 2047, 63,
4378 	  INTUOS4S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7 };
4379 static const struct wacom_features wacom_features_0xB9 =
4380 	{ "Wacom Intuos4 6x9", 44704, 27940, 2047, 63,
4381 	  INTUOS4, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4382 static const struct wacom_features wacom_features_0xBA =
4383 	{ "Wacom Intuos4 8x13", 65024, 40640, 2047, 63,
4384 	  INTUOS4L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4385 static const struct wacom_features wacom_features_0xBB =
4386 	{ "Wacom Intuos4 12x19", 97536, 60960, 2047, 63,
4387 	  INTUOS4L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4388 static const struct wacom_features wacom_features_0xBC =
4389 	{ "Wacom Intuos4 WL", 40640, 25400, 2047, 63,
4390 	  INTUOS4, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4391 static const struct wacom_features wacom_features_0xBD =
4392 	{ "Wacom Intuos4 WL", 40640, 25400, 2047, 63,
4393 	  INTUOS4WL, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4394 static const struct wacom_features wacom_features_0x26 =
4395 	{ "Wacom Intuos5 touch S", 31496, 19685, 2047, 63,
4396 	  INTUOS5S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7, .touch_max = 16 };
4397 static const struct wacom_features wacom_features_0x27 =
4398 	{ "Wacom Intuos5 touch M", 44704, 27940, 2047, 63,
4399 	  INTUOS5, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16 };
4400 static const struct wacom_features wacom_features_0x28 =
4401 	{ "Wacom Intuos5 touch L", 65024, 40640, 2047, 63,
4402 	  INTUOS5L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16 };
4403 static const struct wacom_features wacom_features_0x29 =
4404 	{ "Wacom Intuos5 S", 31496, 19685, 2047, 63,
4405 	  INTUOS5S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7 };
4406 static const struct wacom_features wacom_features_0x2A =
4407 	{ "Wacom Intuos5 M", 44704, 27940, 2047, 63,
4408 	  INTUOS5, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4409 static const struct wacom_features wacom_features_0x314 =
4410 	{ "Wacom Intuos Pro S", 31496, 19685, 2047, 63,
4411 	  INTUOSPS, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7, .touch_max = 16,
4412 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4413 static const struct wacom_features wacom_features_0x315 =
4414 	{ "Wacom Intuos Pro M", 44704, 27940, 2047, 63,
4415 	  INTUOSPM, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16,
4416 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4417 static const struct wacom_features wacom_features_0x317 =
4418 	{ "Wacom Intuos Pro L", 65024, 40640, 2047, 63,
4419 	  INTUOSPL, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16,
4420 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4421 static const struct wacom_features wacom_features_0xF4 =
4422 	{ "Wacom Cintiq 24HD", 104480, 65600, 2047, 63,
4423 	  WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 16,
4424 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4425 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4426 static const struct wacom_features wacom_features_0xF8 =
4427 	{ "Wacom Cintiq 24HD touch", 104480, 65600, 2047, 63, /* Pen */
4428 	  WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 16,
4429 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4430 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4431 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf6 };
4432 static const struct wacom_features wacom_features_0xF6 =
4433 	{ "Wacom Cintiq 24HD touch", .type = WACOM_24HDT, /* Touch */
4434 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf8, .touch_max = 10,
4435 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4436 static const struct wacom_features wacom_features_0x32A =
4437 	{ "Wacom Cintiq 27QHD", 120140, 67920, 2047, 63,
4438 	  WACOM_27QHD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 0,
4439 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4440 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4441 static const struct wacom_features wacom_features_0x32B =
4442 	{ "Wacom Cintiq 27QHD touch", 120140, 67920, 2047, 63,
4443 	  WACOM_27QHD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 0,
4444 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4445 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4446 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x32C };
4447 static const struct wacom_features wacom_features_0x32C =
4448 	{ "Wacom Cintiq 27QHD touch", .type = WACOM_27QHDT,
4449 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x32B, .touch_max = 10 };
4450 static const struct wacom_features wacom_features_0x3F =
4451 	{ "Wacom Cintiq 21UX", 87200, 65600, 1023, 63,
4452 	  CINTIQ, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4453 static const struct wacom_features wacom_features_0xC5 =
4454 	{ "Wacom Cintiq 20WSX", 86680, 54180, 1023, 63,
4455 	  WACOM_BEE, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 10 };
4456 static const struct wacom_features wacom_features_0xC6 =
4457 	{ "Wacom Cintiq 12WX", 53020, 33440, 1023, 63,
4458 	  WACOM_BEE, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 10 };
4459 static const struct wacom_features wacom_features_0x304 =
4460 	{ "Wacom Cintiq 13HD", 59552, 33848, 1023, 63,
4461 	  WACOM_13HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4462 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4463 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4464 static const struct wacom_features wacom_features_0x333 =
4465 	{ "Wacom Cintiq 13HD touch", 59552, 33848, 2047, 63,
4466 	  WACOM_13HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4467 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4468 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4469 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x335 };
4470 static const struct wacom_features wacom_features_0x335 =
4471 	{ "Wacom Cintiq 13HD touch", .type = WACOM_24HDT, /* Touch */
4472 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x333, .touch_max = 10,
4473 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4474 static const struct wacom_features wacom_features_0xC7 =
4475 	{ "Wacom DTU1931", 37832, 30305, 511, 0,
4476 	  PL, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4477 static const struct wacom_features wacom_features_0xCE =
4478 	{ "Wacom DTU2231", 47864, 27011, 511, 0,
4479 	  DTU, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4480 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBMOUSE };
4481 static const struct wacom_features wacom_features_0xF0 =
4482 	{ "Wacom DTU1631", 34623, 19553, 511, 0,
4483 	  DTU, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4484 static const struct wacom_features wacom_features_0xFB =
4485 	{ "Wacom DTU1031", 22096, 13960, 511, 0,
4486 	  DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
4487 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4488 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4489 static const struct wacom_features wacom_features_0x32F =
4490 	{ "Wacom DTU1031X", 22672, 12928, 511, 0,
4491 	  DTUSX, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 0,
4492 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4493 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4494 static const struct wacom_features wacom_features_0x336 =
4495 	{ "Wacom DTU1141", 23672, 13403, 1023, 0,
4496 	  DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
4497 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4498 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4499 static const struct wacom_features wacom_features_0x57 =
4500 	{ "Wacom DTK2241", 95840, 54260, 2047, 63,
4501 	  DTK, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 6,
4502 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4503 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4504 static const struct wacom_features wacom_features_0x59 = /* Pen */
4505 	{ "Wacom DTH2242", 95840, 54260, 2047, 63,
4506 	  DTK, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 6,
4507 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4508 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4509 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5D };
4510 static const struct wacom_features wacom_features_0x5D = /* Touch */
4511 	{ "Wacom DTH2242",       .type = WACOM_24HDT,
4512 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x59, .touch_max = 10,
4513 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4514 static const struct wacom_features wacom_features_0xCC =
4515 	{ "Wacom Cintiq 21UX2", 87200, 65600, 2047, 63,
4516 	  WACOM_21UX2, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
4517 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4518 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4519 static const struct wacom_features wacom_features_0xFA =
4520 	{ "Wacom Cintiq 22HD", 95840, 54260, 2047, 63,
4521 	  WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
4522 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4523 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4524 static const struct wacom_features wacom_features_0x5B =
4525 	{ "Wacom Cintiq 22HDT", 95840, 54260, 2047, 63,
4526 	  WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
4527 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4528 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4529 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5e };
4530 static const struct wacom_features wacom_features_0x5E =
4531 	{ "Wacom Cintiq 22HDT", .type = WACOM_24HDT,
4532 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5b, .touch_max = 10,
4533 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4534 static const struct wacom_features wacom_features_0x90 =
4535 	{ "Wacom ISDv4 90", 26202, 16325, 255, 0,
4536 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4537 static const struct wacom_features wacom_features_0x93 =
4538 	{ "Wacom ISDv4 93", 26202, 16325, 255, 0,
4539 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4540 static const struct wacom_features wacom_features_0x97 =
4541 	{ "Wacom ISDv4 97", 26202, 16325, 511, 0,
4542 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4543 static const struct wacom_features wacom_features_0x9A =
4544 	{ "Wacom ISDv4 9A", 26202, 16325, 255, 0,
4545 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4546 static const struct wacom_features wacom_features_0x9F =
4547 	{ "Wacom ISDv4 9F", 26202, 16325, 255, 0,
4548 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4549 static const struct wacom_features wacom_features_0xE2 =
4550 	{ "Wacom ISDv4 E2", 26202, 16325, 255, 0,
4551 	  TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4552 static const struct wacom_features wacom_features_0xE3 =
4553 	{ "Wacom ISDv4 E3", 26202, 16325, 255, 0,
4554 	  TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4555 static const struct wacom_features wacom_features_0xE5 =
4556 	{ "Wacom ISDv4 E5", 26202, 16325, 255, 0,
4557 	  MTSCREEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4558 static const struct wacom_features wacom_features_0xE6 =
4559 	{ "Wacom ISDv4 E6", 27760, 15694, 255, 0,
4560 	  TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4561 static const struct wacom_features wacom_features_0xEC =
4562 	{ "Wacom ISDv4 EC", 25710, 14500, 255, 0,
4563 	  TABLETPC,    WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4564 static const struct wacom_features wacom_features_0xED =
4565 	{ "Wacom ISDv4 ED", 26202, 16325, 255, 0,
4566 	  TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4567 static const struct wacom_features wacom_features_0xEF =
4568 	{ "Wacom ISDv4 EF", 26202, 16325, 255, 0,
4569 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4570 static const struct wacom_features wacom_features_0x100 =
4571 	{ "Wacom ISDv4 100", 26202, 16325, 255, 0,
4572 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4573 static const struct wacom_features wacom_features_0x101 =
4574 	{ "Wacom ISDv4 101", 26202, 16325, 255, 0,
4575 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4576 static const struct wacom_features wacom_features_0x10D =
4577 	{ "Wacom ISDv4 10D", 26202, 16325, 255, 0,
4578 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4579 static const struct wacom_features wacom_features_0x10E =
4580 	{ "Wacom ISDv4 10E", 27760, 15694, 255, 0,
4581 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4582 static const struct wacom_features wacom_features_0x10F =
4583 	{ "Wacom ISDv4 10F", 27760, 15694, 255, 0,
4584 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4585 static const struct wacom_features wacom_features_0x116 =
4586 	{ "Wacom ISDv4 116", 26202, 16325, 255, 0,
4587 	  TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4588 static const struct wacom_features wacom_features_0x12C =
4589 	{ "Wacom ISDv4 12C", 27848, 15752, 2047, 0,
4590 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4591 static const struct wacom_features wacom_features_0x4001 =
4592 	{ "Wacom ISDv4 4001", 26202, 16325, 255, 0,
4593 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4594 static const struct wacom_features wacom_features_0x4004 =
4595 	{ "Wacom ISDv4 4004", 11060, 6220, 255, 0,
4596 	  MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4597 static const struct wacom_features wacom_features_0x5000 =
4598 	{ "Wacom ISDv4 5000", 27848, 15752, 1023, 0,
4599 	  MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4600 static const struct wacom_features wacom_features_0x5002 =
4601 	{ "Wacom ISDv4 5002", 29576, 16724, 1023, 0,
4602 	  MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4603 static const struct wacom_features wacom_features_0x47 =
4604 	{ "Wacom Intuos2 6x8", 20320, 16240, 1023, 31,
4605 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4606 static const struct wacom_features wacom_features_0x84 =
4607 	{ "Wacom Wireless Receiver", .type = WIRELESS, .touch_max = 16 };
4608 static const struct wacom_features wacom_features_0xD0 =
4609 	{ "Wacom Bamboo 2FG", 14720, 9200, 1023, 31,
4610 	  BAMBOO_TOUCH, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4611 static const struct wacom_features wacom_features_0xD1 =
4612 	{ "Wacom Bamboo 2FG 4x5", 14720, 9200, 1023, 31,
4613 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4614 static const struct wacom_features wacom_features_0xD2 =
4615 	{ "Wacom Bamboo Craft", 14720, 9200, 1023, 31,
4616 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4617 static const struct wacom_features wacom_features_0xD3 =
4618 	{ "Wacom Bamboo 2FG 6x8", 21648, 13700, 1023, 31,
4619 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4620 static const struct wacom_features wacom_features_0xD4 =
4621 	{ "Wacom Bamboo Pen", 14720, 9200, 1023, 31,
4622 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4623 static const struct wacom_features wacom_features_0xD5 =
4624 	{ "Wacom Bamboo Pen 6x8", 21648, 13700, 1023, 31,
4625 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4626 static const struct wacom_features wacom_features_0xD6 =
4627 	{ "Wacom BambooPT 2FG 4x5", 14720, 9200, 1023, 31,
4628 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4629 static const struct wacom_features wacom_features_0xD7 =
4630 	{ "Wacom BambooPT 2FG Small", 14720, 9200, 1023, 31,
4631 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4632 static const struct wacom_features wacom_features_0xD8 =
4633 	{ "Wacom Bamboo Comic 2FG", 21648, 13700, 1023, 31,
4634 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4635 static const struct wacom_features wacom_features_0xDA =
4636 	{ "Wacom Bamboo 2FG 4x5 SE", 14720, 9200, 1023, 31,
4637 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4638 static const struct wacom_features wacom_features_0xDB =
4639 	{ "Wacom Bamboo 2FG 6x8 SE", 21648, 13700, 1023, 31,
4640 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4641 static const struct wacom_features wacom_features_0xDD =
4642         { "Wacom Bamboo Connect", 14720, 9200, 1023, 31,
4643           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4644 static const struct wacom_features wacom_features_0xDE =
4645         { "Wacom Bamboo 16FG 4x5", 14720, 9200, 1023, 31,
4646 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16 };
4647 static const struct wacom_features wacom_features_0xDF =
4648         { "Wacom Bamboo 16FG 6x8", 21648, 13700, 1023, 31,
4649 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16 };
4650 static const struct wacom_features wacom_features_0x300 =
4651 	{ "Wacom Bamboo One S", 14720, 9225, 1023, 31,
4652 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4653 static const struct wacom_features wacom_features_0x301 =
4654 	{ "Wacom Bamboo One M", 21648, 13530, 1023, 31,
4655 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4656 static const struct wacom_features wacom_features_0x302 =
4657 	{ "Wacom Intuos PT S", 15200, 9500, 1023, 31,
4658 	  INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4659 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4660 static const struct wacom_features wacom_features_0x303 =
4661 	{ "Wacom Intuos PT M", 21600, 13500, 1023, 31,
4662 	  INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4663 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4664 static const struct wacom_features wacom_features_0x30E =
4665 	{ "Wacom Intuos S", 15200, 9500, 1023, 31,
4666 	  INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4667 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4668 static const struct wacom_features wacom_features_0x6004 =
4669 	{ "ISD-V4", 12800, 8000, 255, 0,
4670 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4671 static const struct wacom_features wacom_features_0x307 =
4672 	{ "Wacom ISDv5 307", 59552, 33848, 2047, 63,
4673 	  CINTIQ_HYBRID, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4674 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4675 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4676 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x309 };
4677 static const struct wacom_features wacom_features_0x309 =
4678 	{ "Wacom ISDv5 309", .type = WACOM_24HDT, /* Touch */
4679 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x0307, .touch_max = 10,
4680 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4681 static const struct wacom_features wacom_features_0x30A =
4682 	{ "Wacom ISDv5 30A", 59552, 33848, 2047, 63,
4683 	  CINTIQ_HYBRID, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4684 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4685 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4686 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x30C };
4687 static const struct wacom_features wacom_features_0x30C =
4688 	{ "Wacom ISDv5 30C", .type = WACOM_24HDT, /* Touch */
4689 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x30A, .touch_max = 10,
4690 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4691 static const struct wacom_features wacom_features_0x318 =
4692 	{ "Wacom USB Bamboo PAD", 4095, 4095, /* Touch */
4693 	  .type = BAMBOO_PAD, 35, 48, .touch_max = 4 };
4694 static const struct wacom_features wacom_features_0x319 =
4695 	{ "Wacom Wireless Bamboo PAD", 4095, 4095, /* Touch */
4696 	  .type = BAMBOO_PAD, 35, 48, .touch_max = 4 };
4697 static const struct wacom_features wacom_features_0x325 =
4698 	{ "Wacom ISDv5 325", 59552, 33848, 2047, 63,
4699 	  CINTIQ_COMPANION_2, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 11,
4700 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4701 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4702 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x326 };
4703 static const struct wacom_features wacom_features_0x326 = /* Touch */
4704 	{ "Wacom ISDv5 326", .type = HID_GENERIC, .oVid = USB_VENDOR_ID_WACOM,
4705 	  .oPid = 0x325 };
4706 static const struct wacom_features wacom_features_0x323 =
4707 	{ "Wacom Intuos P M", 21600, 13500, 1023, 31,
4708 	  INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4709 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4710 static const struct wacom_features wacom_features_0x331 =
4711 	{ "Wacom Express Key Remote", .type = REMOTE,
4712 	  .numbered_buttons = 18, .check_for_hid_type = true,
4713 	  .hid_type = HID_TYPE_USBNONE };
4714 static const struct wacom_features wacom_features_0x33B =
4715 	{ "Wacom Intuos S 2", 15200, 9500, 2047, 63,
4716 	  INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4717 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4718 static const struct wacom_features wacom_features_0x33C =
4719 	{ "Wacom Intuos PT S 2", 15200, 9500, 2047, 63,
4720 	  INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4721 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4722 static const struct wacom_features wacom_features_0x33D =
4723 	{ "Wacom Intuos P M 2", 21600, 13500, 2047, 63,
4724 	  INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4725 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4726 static const struct wacom_features wacom_features_0x33E =
4727 	{ "Wacom Intuos PT M 2", 21600, 13500, 2047, 63,
4728 	  INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4729 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4730 static const struct wacom_features wacom_features_0x343 =
4731 	{ "Wacom DTK1651", 34816, 19759, 1023, 0,
4732 	  DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
4733 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4734 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4735 static const struct wacom_features wacom_features_0x360 =
4736 	{ "Wacom Intuos Pro M", 44800, 29600, 8191, 63,
4737 	  INTUOSP2_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 10 };
4738 static const struct wacom_features wacom_features_0x361 =
4739 	{ "Wacom Intuos Pro L", 62200, 43200, 8191, 63,
4740 	  INTUOSP2_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 10 };
4741 static const struct wacom_features wacom_features_0x377 =
4742 	{ "Wacom Intuos BT S", 15200, 9500, 4095, 63,
4743 	  INTUOSHT3_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4 };
4744 static const struct wacom_features wacom_features_0x379 =
4745 	{ "Wacom Intuos BT M", 21600, 13500, 4095, 63,
4746 	  INTUOSHT3_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4 };
4747 static const struct wacom_features wacom_features_0x37A =
4748 	{ "Wacom One by Wacom S", 15200, 9500, 2047, 63,
4749 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4750 static const struct wacom_features wacom_features_0x37B =
4751 	{ "Wacom One by Wacom M", 21600, 13500, 2047, 63,
4752 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4753 static const struct wacom_features wacom_features_0x393 =
4754 	{ "Wacom Intuos Pro S", 31920, 19950, 8191, 63,
4755 	  INTUOSP2S_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7,
4756 	  .touch_max = 10 };
4757 
4758 static const struct wacom_features wacom_features_HID_ANY_ID =
4759 	{ "Wacom HID", .type = HID_GENERIC, .oVid = HID_ANY_ID, .oPid = HID_ANY_ID };
4760 
4761 #define USB_DEVICE_WACOM(prod)						\
4762 	HID_DEVICE(BUS_USB, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4763 	.driver_data = (kernel_ulong_t)&wacom_features_##prod
4764 
4765 #define BT_DEVICE_WACOM(prod)						\
4766 	HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4767 	.driver_data = (kernel_ulong_t)&wacom_features_##prod
4768 
4769 #define I2C_DEVICE_WACOM(prod)						\
4770 	HID_DEVICE(BUS_I2C, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4771 	.driver_data = (kernel_ulong_t)&wacom_features_##prod
4772 
4773 #define USB_DEVICE_LENOVO(prod)					\
4774 	HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, prod),			\
4775 	.driver_data = (kernel_ulong_t)&wacom_features_##prod
4776 
4777 const struct hid_device_id wacom_ids[] = {
4778 	{ USB_DEVICE_WACOM(0x00) },
4779 	{ USB_DEVICE_WACOM(0x03) },
4780 	{ USB_DEVICE_WACOM(0x10) },
4781 	{ USB_DEVICE_WACOM(0x11) },
4782 	{ USB_DEVICE_WACOM(0x12) },
4783 	{ USB_DEVICE_WACOM(0x13) },
4784 	{ USB_DEVICE_WACOM(0x14) },
4785 	{ USB_DEVICE_WACOM(0x15) },
4786 	{ USB_DEVICE_WACOM(0x16) },
4787 	{ USB_DEVICE_WACOM(0x17) },
4788 	{ USB_DEVICE_WACOM(0x18) },
4789 	{ USB_DEVICE_WACOM(0x19) },
4790 	{ USB_DEVICE_WACOM(0x20) },
4791 	{ USB_DEVICE_WACOM(0x21) },
4792 	{ USB_DEVICE_WACOM(0x22) },
4793 	{ USB_DEVICE_WACOM(0x23) },
4794 	{ USB_DEVICE_WACOM(0x24) },
4795 	{ USB_DEVICE_WACOM(0x26) },
4796 	{ USB_DEVICE_WACOM(0x27) },
4797 	{ USB_DEVICE_WACOM(0x28) },
4798 	{ USB_DEVICE_WACOM(0x29) },
4799 	{ USB_DEVICE_WACOM(0x2A) },
4800 	{ USB_DEVICE_WACOM(0x30) },
4801 	{ USB_DEVICE_WACOM(0x31) },
4802 	{ USB_DEVICE_WACOM(0x32) },
4803 	{ USB_DEVICE_WACOM(0x33) },
4804 	{ USB_DEVICE_WACOM(0x34) },
4805 	{ USB_DEVICE_WACOM(0x35) },
4806 	{ USB_DEVICE_WACOM(0x37) },
4807 	{ USB_DEVICE_WACOM(0x38) },
4808 	{ USB_DEVICE_WACOM(0x39) },
4809 	{ USB_DEVICE_WACOM(0x3F) },
4810 	{ USB_DEVICE_WACOM(0x41) },
4811 	{ USB_DEVICE_WACOM(0x42) },
4812 	{ USB_DEVICE_WACOM(0x43) },
4813 	{ USB_DEVICE_WACOM(0x44) },
4814 	{ USB_DEVICE_WACOM(0x45) },
4815 	{ USB_DEVICE_WACOM(0x47) },
4816 	{ USB_DEVICE_WACOM(0x57) },
4817 	{ USB_DEVICE_WACOM(0x59) },
4818 	{ USB_DEVICE_WACOM(0x5B) },
4819 	{ USB_DEVICE_WACOM(0x5D) },
4820 	{ USB_DEVICE_WACOM(0x5E) },
4821 	{ USB_DEVICE_WACOM(0x60) },
4822 	{ USB_DEVICE_WACOM(0x61) },
4823 	{ USB_DEVICE_WACOM(0x62) },
4824 	{ USB_DEVICE_WACOM(0x63) },
4825 	{ USB_DEVICE_WACOM(0x64) },
4826 	{ USB_DEVICE_WACOM(0x65) },
4827 	{ USB_DEVICE_WACOM(0x69) },
4828 	{ USB_DEVICE_WACOM(0x6A) },
4829 	{ USB_DEVICE_WACOM(0x6B) },
4830 	{ BT_DEVICE_WACOM(0x81) },
4831 	{ USB_DEVICE_WACOM(0x84) },
4832 	{ USB_DEVICE_WACOM(0x90) },
4833 	{ USB_DEVICE_WACOM(0x93) },
4834 	{ USB_DEVICE_WACOM(0x97) },
4835 	{ USB_DEVICE_WACOM(0x9A) },
4836 	{ USB_DEVICE_WACOM(0x9F) },
4837 	{ USB_DEVICE_WACOM(0xB0) },
4838 	{ USB_DEVICE_WACOM(0xB1) },
4839 	{ USB_DEVICE_WACOM(0xB2) },
4840 	{ USB_DEVICE_WACOM(0xB3) },
4841 	{ USB_DEVICE_WACOM(0xB4) },
4842 	{ USB_DEVICE_WACOM(0xB5) },
4843 	{ USB_DEVICE_WACOM(0xB7) },
4844 	{ USB_DEVICE_WACOM(0xB8) },
4845 	{ USB_DEVICE_WACOM(0xB9) },
4846 	{ USB_DEVICE_WACOM(0xBA) },
4847 	{ USB_DEVICE_WACOM(0xBB) },
4848 	{ USB_DEVICE_WACOM(0xBC) },
4849 	{ BT_DEVICE_WACOM(0xBD) },
4850 	{ USB_DEVICE_WACOM(0xC0) },
4851 	{ USB_DEVICE_WACOM(0xC2) },
4852 	{ USB_DEVICE_WACOM(0xC4) },
4853 	{ USB_DEVICE_WACOM(0xC5) },
4854 	{ USB_DEVICE_WACOM(0xC6) },
4855 	{ USB_DEVICE_WACOM(0xC7) },
4856 	{ USB_DEVICE_WACOM(0xCC) },
4857 	{ USB_DEVICE_WACOM(0xCE) },
4858 	{ USB_DEVICE_WACOM(0xD0) },
4859 	{ USB_DEVICE_WACOM(0xD1) },
4860 	{ USB_DEVICE_WACOM(0xD2) },
4861 	{ USB_DEVICE_WACOM(0xD3) },
4862 	{ USB_DEVICE_WACOM(0xD4) },
4863 	{ USB_DEVICE_WACOM(0xD5) },
4864 	{ USB_DEVICE_WACOM(0xD6) },
4865 	{ USB_DEVICE_WACOM(0xD7) },
4866 	{ USB_DEVICE_WACOM(0xD8) },
4867 	{ USB_DEVICE_WACOM(0xDA) },
4868 	{ USB_DEVICE_WACOM(0xDB) },
4869 	{ USB_DEVICE_WACOM(0xDD) },
4870 	{ USB_DEVICE_WACOM(0xDE) },
4871 	{ USB_DEVICE_WACOM(0xDF) },
4872 	{ USB_DEVICE_WACOM(0xE2) },
4873 	{ USB_DEVICE_WACOM(0xE3) },
4874 	{ USB_DEVICE_WACOM(0xE5) },
4875 	{ USB_DEVICE_WACOM(0xE6) },
4876 	{ USB_DEVICE_WACOM(0xEC) },
4877 	{ USB_DEVICE_WACOM(0xED) },
4878 	{ USB_DEVICE_WACOM(0xEF) },
4879 	{ USB_DEVICE_WACOM(0xF0) },
4880 	{ USB_DEVICE_WACOM(0xF4) },
4881 	{ USB_DEVICE_WACOM(0xF6) },
4882 	{ USB_DEVICE_WACOM(0xF8) },
4883 	{ USB_DEVICE_WACOM(0xFA) },
4884 	{ USB_DEVICE_WACOM(0xFB) },
4885 	{ USB_DEVICE_WACOM(0x100) },
4886 	{ USB_DEVICE_WACOM(0x101) },
4887 	{ USB_DEVICE_WACOM(0x10D) },
4888 	{ USB_DEVICE_WACOM(0x10E) },
4889 	{ USB_DEVICE_WACOM(0x10F) },
4890 	{ USB_DEVICE_WACOM(0x116) },
4891 	{ USB_DEVICE_WACOM(0x12C) },
4892 	{ USB_DEVICE_WACOM(0x300) },
4893 	{ USB_DEVICE_WACOM(0x301) },
4894 	{ USB_DEVICE_WACOM(0x302) },
4895 	{ USB_DEVICE_WACOM(0x303) },
4896 	{ USB_DEVICE_WACOM(0x304) },
4897 	{ USB_DEVICE_WACOM(0x307) },
4898 	{ USB_DEVICE_WACOM(0x309) },
4899 	{ USB_DEVICE_WACOM(0x30A) },
4900 	{ USB_DEVICE_WACOM(0x30C) },
4901 	{ USB_DEVICE_WACOM(0x30E) },
4902 	{ USB_DEVICE_WACOM(0x314) },
4903 	{ USB_DEVICE_WACOM(0x315) },
4904 	{ USB_DEVICE_WACOM(0x317) },
4905 	{ USB_DEVICE_WACOM(0x318) },
4906 	{ USB_DEVICE_WACOM(0x319) },
4907 	{ USB_DEVICE_WACOM(0x323) },
4908 	{ USB_DEVICE_WACOM(0x325) },
4909 	{ USB_DEVICE_WACOM(0x326) },
4910 	{ USB_DEVICE_WACOM(0x32A) },
4911 	{ USB_DEVICE_WACOM(0x32B) },
4912 	{ USB_DEVICE_WACOM(0x32C) },
4913 	{ USB_DEVICE_WACOM(0x32F) },
4914 	{ USB_DEVICE_WACOM(0x331) },
4915 	{ USB_DEVICE_WACOM(0x333) },
4916 	{ USB_DEVICE_WACOM(0x335) },
4917 	{ USB_DEVICE_WACOM(0x336) },
4918 	{ USB_DEVICE_WACOM(0x33B) },
4919 	{ USB_DEVICE_WACOM(0x33C) },
4920 	{ USB_DEVICE_WACOM(0x33D) },
4921 	{ USB_DEVICE_WACOM(0x33E) },
4922 	{ USB_DEVICE_WACOM(0x343) },
4923 	{ BT_DEVICE_WACOM(0x360) },
4924 	{ BT_DEVICE_WACOM(0x361) },
4925 	{ BT_DEVICE_WACOM(0x377) },
4926 	{ BT_DEVICE_WACOM(0x379) },
4927 	{ USB_DEVICE_WACOM(0x37A) },
4928 	{ USB_DEVICE_WACOM(0x37B) },
4929 	{ BT_DEVICE_WACOM(0x393) },
4930 	{ USB_DEVICE_WACOM(0x4001) },
4931 	{ USB_DEVICE_WACOM(0x4004) },
4932 	{ USB_DEVICE_WACOM(0x5000) },
4933 	{ USB_DEVICE_WACOM(0x5002) },
4934 	{ USB_DEVICE_LENOVO(0x6004) },
4935 
4936 	{ USB_DEVICE_WACOM(HID_ANY_ID) },
4937 	{ I2C_DEVICE_WACOM(HID_ANY_ID) },
4938 	{ BT_DEVICE_WACOM(HID_ANY_ID) },
4939 	{ }
4940 };
4941 MODULE_DEVICE_TABLE(hid, wacom_ids);
4942