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18#include <linux/slab.h>
19#include <linux/input.h>
20#include <linux/input/mt.h>
21#include <linux/serio.h>
22#include <linux/libps2.h>
23#include <linux/dmi.h>
24
25#include "psmouse.h"
26#include "alps.h"
27
28
29
30
31#define ALPS_CMD_NIBBLE_10 0x01f2
32
33#define ALPS_REG_BASE_RUSHMORE 0xc2c0
34#define ALPS_REG_BASE_V7 0xc2c0
35#define ALPS_REG_BASE_PINNACLE 0x0000
36
37static const struct alps_nibble_commands alps_v3_nibble_commands[] = {
38 { PSMOUSE_CMD_SETPOLL, 0x00 },
39 { PSMOUSE_CMD_RESET_DIS, 0x00 },
40 { PSMOUSE_CMD_SETSCALE21, 0x00 },
41 { PSMOUSE_CMD_SETRATE, 0x0a },
42 { PSMOUSE_CMD_SETRATE, 0x14 },
43 { PSMOUSE_CMD_SETRATE, 0x28 },
44 { PSMOUSE_CMD_SETRATE, 0x3c },
45 { PSMOUSE_CMD_SETRATE, 0x50 },
46 { PSMOUSE_CMD_SETRATE, 0x64 },
47 { PSMOUSE_CMD_SETRATE, 0xc8 },
48 { ALPS_CMD_NIBBLE_10, 0x00 },
49 { PSMOUSE_CMD_SETRES, 0x00 },
50 { PSMOUSE_CMD_SETRES, 0x01 },
51 { PSMOUSE_CMD_SETRES, 0x02 },
52 { PSMOUSE_CMD_SETRES, 0x03 },
53 { PSMOUSE_CMD_SETSCALE11, 0x00 },
54};
55
56static const struct alps_nibble_commands alps_v4_nibble_commands[] = {
57 { PSMOUSE_CMD_ENABLE, 0x00 },
58 { PSMOUSE_CMD_RESET_DIS, 0x00 },
59 { PSMOUSE_CMD_SETSCALE21, 0x00 },
60 { PSMOUSE_CMD_SETRATE, 0x0a },
61 { PSMOUSE_CMD_SETRATE, 0x14 },
62 { PSMOUSE_CMD_SETRATE, 0x28 },
63 { PSMOUSE_CMD_SETRATE, 0x3c },
64 { PSMOUSE_CMD_SETRATE, 0x50 },
65 { PSMOUSE_CMD_SETRATE, 0x64 },
66 { PSMOUSE_CMD_SETRATE, 0xc8 },
67 { ALPS_CMD_NIBBLE_10, 0x00 },
68 { PSMOUSE_CMD_SETRES, 0x00 },
69 { PSMOUSE_CMD_SETRES, 0x01 },
70 { PSMOUSE_CMD_SETRES, 0x02 },
71 { PSMOUSE_CMD_SETRES, 0x03 },
72 { PSMOUSE_CMD_SETSCALE11, 0x00 },
73};
74
75static const struct alps_nibble_commands alps_v6_nibble_commands[] = {
76 { PSMOUSE_CMD_ENABLE, 0x00 },
77 { PSMOUSE_CMD_SETRATE, 0x0a },
78 { PSMOUSE_CMD_SETRATE, 0x14 },
79 { PSMOUSE_CMD_SETRATE, 0x28 },
80 { PSMOUSE_CMD_SETRATE, 0x3c },
81 { PSMOUSE_CMD_SETRATE, 0x50 },
82 { PSMOUSE_CMD_SETRATE, 0x64 },
83 { PSMOUSE_CMD_SETRATE, 0xc8 },
84 { PSMOUSE_CMD_GETID, 0x00 },
85 { PSMOUSE_CMD_GETINFO, 0x00 },
86 { PSMOUSE_CMD_SETRES, 0x00 },
87 { PSMOUSE_CMD_SETRES, 0x01 },
88 { PSMOUSE_CMD_SETRES, 0x02 },
89 { PSMOUSE_CMD_SETRES, 0x03 },
90 { PSMOUSE_CMD_SETSCALE21, 0x00 },
91 { PSMOUSE_CMD_SETSCALE11, 0x00 },
92};
93
94
95#define ALPS_DUALPOINT 0x02
96#define ALPS_PASS 0x04
97
98#define ALPS_WHEEL 0x08
99#define ALPS_FW_BK_1 0x10
100#define ALPS_FW_BK_2 0x20
101#define ALPS_FOUR_BUTTONS 0x40
102#define ALPS_PS2_INTERLEAVED 0x80
103
104#define ALPS_STICK_BITS 0x100
105#define ALPS_BUTTONPAD 0x200
106#define ALPS_DUALPOINT_WITH_PRESSURE 0x400
107
108static const struct alps_model_info alps_model_data[] = {
109
110
111
112
113
114 { { 0x20, 0x02, 0x0e }, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT } },
115
116 { { 0x22, 0x02, 0x0a }, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT } },
117 { { 0x22, 0x02, 0x14 }, { ALPS_PROTO_V2, 0xff, 0xff, ALPS_PASS | ALPS_DUALPOINT } },
118 { { 0x32, 0x02, 0x14 }, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT } },
119 { { 0x33, 0x02, 0x0a }, { ALPS_PROTO_V1, 0x88, 0xf8, 0 } },
120 { { 0x52, 0x01, 0x14 }, { ALPS_PROTO_V2, 0xff, 0xff,
121 ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED } },
122 { { 0x53, 0x02, 0x0a }, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } },
123 { { 0x53, 0x02, 0x14 }, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } },
124 { { 0x60, 0x03, 0xc8 }, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } },
125 { { 0x62, 0x02, 0x14 }, { ALPS_PROTO_V2, 0xcf, 0xcf,
126 ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED } },
127 { { 0x63, 0x02, 0x0a }, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } },
128 { { 0x63, 0x02, 0x14 }, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } },
129 { { 0x63, 0x02, 0x28 }, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_FW_BK_2 } },
130 { { 0x63, 0x02, 0x3c }, { ALPS_PROTO_V2, 0x8f, 0x8f, ALPS_WHEEL } },
131 { { 0x63, 0x02, 0x50 }, { ALPS_PROTO_V2, 0xef, 0xef, ALPS_FW_BK_1 } },
132 { { 0x63, 0x02, 0x64 }, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } },
133 { { 0x63, 0x03, 0xc8 }, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT } },
134 { { 0x73, 0x00, 0x0a }, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_DUALPOINT } },
135 { { 0x73, 0x00, 0x14 }, { ALPS_PROTO_V6, 0xff, 0xff, ALPS_DUALPOINT } },
136 { { 0x73, 0x02, 0x0a }, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } },
137 { { 0x73, 0x02, 0x14 }, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_FW_BK_2 } },
138 { { 0x73, 0x02, 0x50 }, { ALPS_PROTO_V2, 0xcf, 0xcf, ALPS_FOUR_BUTTONS } },
139};
140
141static const struct alps_protocol_info alps_v3_protocol_data = {
142 ALPS_PROTO_V3, 0x8f, 0x8f, ALPS_DUALPOINT
143};
144
145static const struct alps_protocol_info alps_v3_rushmore_data = {
146 ALPS_PROTO_V3_RUSHMORE, 0x8f, 0x8f, ALPS_DUALPOINT
147};
148
149static const struct alps_protocol_info alps_v4_protocol_data = {
150 ALPS_PROTO_V4, 0x8f, 0x8f, 0
151};
152
153static const struct alps_protocol_info alps_v5_protocol_data = {
154 ALPS_PROTO_V5, 0xc8, 0xd8, 0
155};
156
157static const struct alps_protocol_info alps_v7_protocol_data = {
158 ALPS_PROTO_V7, 0x48, 0x48, ALPS_DUALPOINT
159};
160
161static const struct alps_protocol_info alps_v8_protocol_data = {
162 ALPS_PROTO_V8, 0x18, 0x18, 0
163};
164
165static const struct alps_protocol_info alps_v9_protocol_data = {
166 ALPS_PROTO_V9, 0xc8, 0xc8, 0
167};
168
169
170
171
172static const struct dmi_system_id alps_dmi_has_separate_stick_buttons[] = {
173#if defined(CONFIG_DMI) && defined(CONFIG_X86)
174 {
175
176 .matches = {
177 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
178 DMI_MATCH(DMI_PRODUCT_NAME, "Latitude D420"),
179 },
180 },
181 {
182
183 .matches = {
184 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
185 DMI_MATCH(DMI_PRODUCT_NAME, "Latitude D430"),
186 },
187 },
188 {
189
190 .matches = {
191 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
192 DMI_MATCH(DMI_PRODUCT_NAME, "Latitude D620"),
193 },
194 },
195 {
196
197 .matches = {
198 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
199 DMI_MATCH(DMI_PRODUCT_NAME, "Latitude D630"),
200 },
201 },
202#endif
203 { }
204};
205
206static void alps_set_abs_params_st(struct alps_data *priv,
207 struct input_dev *dev1);
208static void alps_set_abs_params_semi_mt(struct alps_data *priv,
209 struct input_dev *dev1);
210static void alps_set_abs_params_v7(struct alps_data *priv,
211 struct input_dev *dev1);
212static void alps_set_abs_params_ss4_v2(struct alps_data *priv,
213 struct input_dev *dev1);
214
215
216
217static bool alps_is_valid_first_byte(struct alps_data *priv,
218 unsigned char data)
219{
220 return (data & priv->mask0) == priv->byte0;
221}
222
223static void alps_report_buttons(struct input_dev *dev1, struct input_dev *dev2,
224 int left, int right, int middle)
225{
226 struct input_dev *dev;
227
228
229
230
231
232
233 dev = (dev2 && test_bit(BTN_LEFT, dev2->key)) ? dev2 : dev1;
234 input_report_key(dev, BTN_LEFT, left);
235
236 dev = (dev2 && test_bit(BTN_RIGHT, dev2->key)) ? dev2 : dev1;
237 input_report_key(dev, BTN_RIGHT, right);
238
239 dev = (dev2 && test_bit(BTN_MIDDLE, dev2->key)) ? dev2 : dev1;
240 input_report_key(dev, BTN_MIDDLE, middle);
241
242
243
244
245
246 if (dev2)
247 input_sync(dev2);
248}
249
250static void alps_process_packet_v1_v2(struct psmouse *psmouse)
251{
252 struct alps_data *priv = psmouse->private;
253 unsigned char *packet = psmouse->packet;
254 struct input_dev *dev = psmouse->dev;
255 struct input_dev *dev2 = priv->dev2;
256 int x, y, z, ges, fin, left, right, middle;
257 int back = 0, forward = 0;
258
259 if (priv->proto_version == ALPS_PROTO_V1) {
260 left = packet[2] & 0x10;
261 right = packet[2] & 0x08;
262 middle = 0;
263 x = packet[1] | ((packet[0] & 0x07) << 7);
264 y = packet[4] | ((packet[3] & 0x07) << 7);
265 z = packet[5];
266 } else {
267 left = packet[3] & 1;
268 right = packet[3] & 2;
269 middle = packet[3] & 4;
270 x = packet[1] | ((packet[2] & 0x78) << (7 - 3));
271 y = packet[4] | ((packet[3] & 0x70) << (7 - 4));
272 z = packet[5];
273 }
274
275 if (priv->flags & ALPS_FW_BK_1) {
276 back = packet[0] & 0x10;
277 forward = packet[2] & 4;
278 }
279
280 if (priv->flags & ALPS_FW_BK_2) {
281 back = packet[3] & 4;
282 forward = packet[2] & 4;
283 if ((middle = forward && back))
284 forward = back = 0;
285 }
286
287 ges = packet[2] & 1;
288 fin = packet[2] & 2;
289
290 if ((priv->flags & ALPS_DUALPOINT) && z == 127) {
291 input_report_rel(dev2, REL_X, (x > 383 ? (x - 768) : x));
292 input_report_rel(dev2, REL_Y, -(y > 255 ? (y - 512) : y));
293
294 alps_report_buttons(dev2, dev, left, right, middle);
295
296 input_sync(dev2);
297 return;
298 }
299
300
301 if (priv->flags & ALPS_STICK_BITS) {
302 left |= packet[0] & 1;
303 right |= packet[0] & 2;
304 middle |= packet[0] & 4;
305 }
306
307 alps_report_buttons(dev, dev2, left, right, middle);
308
309
310 if (ges && !fin)
311 z = 40;
312
313
314
315
316
317
318 if (ges && fin && !priv->prev_fin) {
319 input_report_abs(dev, ABS_X, x);
320 input_report_abs(dev, ABS_Y, y);
321 input_report_abs(dev, ABS_PRESSURE, 0);
322 input_report_key(dev, BTN_TOOL_FINGER, 0);
323 input_sync(dev);
324 }
325 priv->prev_fin = fin;
326
327 if (z > 30)
328 input_report_key(dev, BTN_TOUCH, 1);
329 if (z < 25)
330 input_report_key(dev, BTN_TOUCH, 0);
331
332 if (z > 0) {
333 input_report_abs(dev, ABS_X, x);
334 input_report_abs(dev, ABS_Y, y);
335 }
336
337 input_report_abs(dev, ABS_PRESSURE, z);
338 input_report_key(dev, BTN_TOOL_FINGER, z > 0);
339
340 if (priv->flags & ALPS_WHEEL)
341 input_report_rel(dev, REL_WHEEL, ((packet[2] << 1) & 0x08) - ((packet[0] >> 4) & 0x07));
342
343 if (priv->flags & (ALPS_FW_BK_1 | ALPS_FW_BK_2)) {
344 input_report_key(dev, BTN_FORWARD, forward);
345 input_report_key(dev, BTN_BACK, back);
346 }
347
348 if (priv->flags & ALPS_FOUR_BUTTONS) {
349 input_report_key(dev, BTN_0, packet[2] & 4);
350 input_report_key(dev, BTN_1, packet[0] & 0x10);
351 input_report_key(dev, BTN_2, packet[3] & 4);
352 input_report_key(dev, BTN_3, packet[0] & 0x20);
353 }
354
355 input_sync(dev);
356}
357
358static void alps_get_bitmap_points(unsigned int map,
359 struct alps_bitmap_point *low,
360 struct alps_bitmap_point *high,
361 int *fingers)
362{
363 struct alps_bitmap_point *point;
364 int i, bit, prev_bit = 0;
365
366 point = low;
367 for (i = 0; map != 0; i++, map >>= 1) {
368 bit = map & 1;
369 if (bit) {
370 if (!prev_bit) {
371 point->start_bit = i;
372 point->num_bits = 0;
373 (*fingers)++;
374 }
375 point->num_bits++;
376 } else {
377 if (prev_bit)
378 point = high;
379 }
380 prev_bit = bit;
381 }
382}
383
384
385
386
387
388
389
390
391
392
393
394static int alps_process_bitmap(struct alps_data *priv,
395 struct alps_fields *fields)
396{
397 int i, fingers_x = 0, fingers_y = 0, fingers, closest;
398 struct alps_bitmap_point x_low = {0,}, x_high = {0,};
399 struct alps_bitmap_point y_low = {0,}, y_high = {0,};
400 struct input_mt_pos corner[4];
401
402 if (!fields->x_map || !fields->y_map)
403 return 0;
404
405 alps_get_bitmap_points(fields->x_map, &x_low, &x_high, &fingers_x);
406 alps_get_bitmap_points(fields->y_map, &y_low, &y_high, &fingers_y);
407
408
409
410
411
412 fingers = max(fingers_x, fingers_y);
413
414
415
416
417
418 if (fingers_x == 1) {
419 i = (x_low.num_bits - 1) / 2;
420 x_low.num_bits = x_low.num_bits - i;
421 x_high.start_bit = x_low.start_bit + i;
422 x_high.num_bits = max(i, 1);
423 }
424 if (fingers_y == 1) {
425 i = (y_low.num_bits - 1) / 2;
426 y_low.num_bits = y_low.num_bits - i;
427 y_high.start_bit = y_low.start_bit + i;
428 y_high.num_bits = max(i, 1);
429 }
430
431
432 corner[0].x =
433 (priv->x_max * (2 * x_low.start_bit + x_low.num_bits - 1)) /
434 (2 * (priv->x_bits - 1));
435 corner[0].y =
436 (priv->y_max * (2 * y_low.start_bit + y_low.num_bits - 1)) /
437 (2 * (priv->y_bits - 1));
438
439
440 corner[1].x =
441 (priv->x_max * (2 * x_high.start_bit + x_high.num_bits - 1)) /
442 (2 * (priv->x_bits - 1));
443 corner[1].y =
444 (priv->y_max * (2 * y_low.start_bit + y_low.num_bits - 1)) /
445 (2 * (priv->y_bits - 1));
446
447
448 corner[2].x =
449 (priv->x_max * (2 * x_high.start_bit + x_high.num_bits - 1)) /
450 (2 * (priv->x_bits - 1));
451 corner[2].y =
452 (priv->y_max * (2 * y_high.start_bit + y_high.num_bits - 1)) /
453 (2 * (priv->y_bits - 1));
454
455
456 corner[3].x =
457 (priv->x_max * (2 * x_low.start_bit + x_low.num_bits - 1)) /
458 (2 * (priv->x_bits - 1));
459 corner[3].y =
460 (priv->y_max * (2 * y_high.start_bit + y_high.num_bits - 1)) /
461 (2 * (priv->y_bits - 1));
462
463
464 if (priv->proto_version == ALPS_PROTO_V5) {
465 for (i = 0; i < 4; i++)
466 corner[i].x = priv->x_max - corner[i].x;
467 }
468
469
470 if (priv->proto_version == ALPS_PROTO_V3 ||
471 priv->proto_version == ALPS_PROTO_V4) {
472 for (i = 0; i < 4; i++)
473 corner[i].y = priv->y_max - corner[i].y;
474 }
475
476
477
478
479
480
481 if (priv->second_touch == -1) {
482
483 closest = 0x7fffffff;
484 for (i = 0; i < 4; i++) {
485 int dx = fields->st.x - corner[i].x;
486 int dy = fields->st.y - corner[i].y;
487 int distance = dx * dx + dy * dy;
488
489 if (distance < closest) {
490 priv->second_touch = i;
491 closest = distance;
492 }
493 }
494
495 priv->second_touch = (priv->second_touch + 2) % 4;
496 }
497
498 fields->mt[0] = fields->st;
499 fields->mt[1] = corner[priv->second_touch];
500
501 return fingers;
502}
503
504static void alps_set_slot(struct input_dev *dev, int slot, int x, int y)
505{
506 input_mt_slot(dev, slot);
507 input_mt_report_slot_state(dev, MT_TOOL_FINGER, true);
508 input_report_abs(dev, ABS_MT_POSITION_X, x);
509 input_report_abs(dev, ABS_MT_POSITION_Y, y);
510}
511
512static void alps_report_mt_data(struct psmouse *psmouse, int n)
513{
514 struct alps_data *priv = psmouse->private;
515 struct input_dev *dev = psmouse->dev;
516 struct alps_fields *f = &priv->f;
517 int i, slot[MAX_TOUCHES];
518
519 input_mt_assign_slots(dev, slot, f->mt, n, 0);
520 for (i = 0; i < n; i++)
521 alps_set_slot(dev, slot[i], f->mt[i].x, f->mt[i].y);
522
523 input_mt_sync_frame(dev);
524}
525
526static void alps_report_semi_mt_data(struct psmouse *psmouse, int fingers)
527{
528 struct alps_data *priv = psmouse->private;
529 struct input_dev *dev = psmouse->dev;
530 struct alps_fields *f = &priv->f;
531
532
533 if (fingers < 2) {
534 f->mt[0].x = f->st.x;
535 f->mt[0].y = f->st.y;
536 fingers = f->pressure > 0 ? 1 : 0;
537 priv->second_touch = -1;
538 }
539
540 if (fingers >= 1)
541 alps_set_slot(dev, 0, f->mt[0].x, f->mt[0].y);
542 if (fingers >= 2)
543 alps_set_slot(dev, 1, f->mt[1].x, f->mt[1].y);
544 input_mt_sync_frame(dev);
545
546 input_mt_report_finger_count(dev, fingers);
547
548 input_report_key(dev, BTN_LEFT, f->left);
549 input_report_key(dev, BTN_RIGHT, f->right);
550 input_report_key(dev, BTN_MIDDLE, f->middle);
551
552 input_report_abs(dev, ABS_PRESSURE, f->pressure);
553
554 input_sync(dev);
555}
556
557static void alps_process_trackstick_packet_v3(struct psmouse *psmouse)
558{
559 struct alps_data *priv = psmouse->private;
560 unsigned char *packet = psmouse->packet;
561 struct input_dev *dev = priv->dev2;
562 int x, y, z, left, right, middle;
563
564
565 if (!(priv->flags & ALPS_DUALPOINT)) {
566 psmouse_warn(psmouse,
567 "Rejected trackstick packet from non DualPoint device");
568 return;
569 }
570
571
572 if (!(packet[0] & 0x40)) {
573 psmouse_dbg(psmouse, "Bad trackstick packet, discarding\n");
574 return;
575 }
576
577
578
579
580
581 if (packet[1] == 0x7f && packet[2] == 0x7f && packet[4] == 0x7f)
582 return;
583
584 x = (s8)(((packet[0] & 0x20) << 2) | (packet[1] & 0x7f));
585 y = (s8)(((packet[0] & 0x10) << 3) | (packet[2] & 0x7f));
586 z = (packet[4] & 0x7c) >> 2;
587
588
589
590
591
592
593 x /= 8;
594 y /= 8;
595
596 input_report_rel(dev, REL_X, x);
597 input_report_rel(dev, REL_Y, -y);
598
599
600
601
602
603
604
605
606 left = packet[3] & 0x01;
607 right = packet[3] & 0x02;
608 middle = packet[3] & 0x04;
609
610 if (!(priv->quirks & ALPS_QUIRK_TRACKSTICK_BUTTONS) &&
611 (left || right || middle))
612 priv->quirks |= ALPS_QUIRK_TRACKSTICK_BUTTONS;
613
614 if (priv->quirks & ALPS_QUIRK_TRACKSTICK_BUTTONS) {
615 input_report_key(dev, BTN_LEFT, left);
616 input_report_key(dev, BTN_RIGHT, right);
617 input_report_key(dev, BTN_MIDDLE, middle);
618 }
619
620 input_sync(dev);
621 return;
622}
623
624static void alps_decode_buttons_v3(struct alps_fields *f, unsigned char *p)
625{
626 f->left = !!(p[3] & 0x01);
627 f->right = !!(p[3] & 0x02);
628 f->middle = !!(p[3] & 0x04);
629
630 f->ts_left = !!(p[3] & 0x10);
631 f->ts_right = !!(p[3] & 0x20);
632 f->ts_middle = !!(p[3] & 0x40);
633}
634
635static int alps_decode_pinnacle(struct alps_fields *f, unsigned char *p,
636 struct psmouse *psmouse)
637{
638 f->first_mp = !!(p[4] & 0x40);
639 f->is_mp = !!(p[0] & 0x40);
640
641 if (f->is_mp) {
642 f->fingers = (p[5] & 0x3) + 1;
643 f->x_map = ((p[4] & 0x7e) << 8) |
644 ((p[1] & 0x7f) << 2) |
645 ((p[0] & 0x30) >> 4);
646 f->y_map = ((p[3] & 0x70) << 4) |
647 ((p[2] & 0x7f) << 1) |
648 (p[4] & 0x01);
649 } else {
650 f->st.x = ((p[1] & 0x7f) << 4) | ((p[4] & 0x30) >> 2) |
651 ((p[0] & 0x30) >> 4);
652 f->st.y = ((p[2] & 0x7f) << 4) | (p[4] & 0x0f);
653 f->pressure = p[5] & 0x7f;
654
655 alps_decode_buttons_v3(f, p);
656 }
657
658 return 0;
659}
660
661static int alps_decode_rushmore(struct alps_fields *f, unsigned char *p,
662 struct psmouse *psmouse)
663{
664 f->first_mp = !!(p[4] & 0x40);
665 f->is_mp = !!(p[5] & 0x40);
666
667 if (f->is_mp) {
668 f->fingers = max((p[5] & 0x3), ((p[5] >> 2) & 0x3)) + 1;
669 f->x_map = ((p[5] & 0x10) << 11) |
670 ((p[4] & 0x7e) << 8) |
671 ((p[1] & 0x7f) << 2) |
672 ((p[0] & 0x30) >> 4);
673 f->y_map = ((p[5] & 0x20) << 6) |
674 ((p[3] & 0x70) << 4) |
675 ((p[2] & 0x7f) << 1) |
676 (p[4] & 0x01);
677 } else {
678 f->st.x = ((p[1] & 0x7f) << 4) | ((p[4] & 0x30) >> 2) |
679 ((p[0] & 0x30) >> 4);
680 f->st.y = ((p[2] & 0x7f) << 4) | (p[4] & 0x0f);
681 f->pressure = p[5] & 0x7f;
682
683 alps_decode_buttons_v3(f, p);
684 }
685
686 return 0;
687}
688
689static int alps_decode_dolphin(struct alps_fields *f, unsigned char *p,
690 struct psmouse *psmouse)
691{
692 u64 palm_data = 0;
693 struct alps_data *priv = psmouse->private;
694
695 f->first_mp = !!(p[0] & 0x02);
696 f->is_mp = !!(p[0] & 0x20);
697
698 if (!f->is_mp) {
699 f->st.x = ((p[1] & 0x7f) | ((p[4] & 0x0f) << 7));
700 f->st.y = ((p[2] & 0x7f) | ((p[4] & 0xf0) << 3));
701 f->pressure = (p[0] & 4) ? 0 : p[5] & 0x7f;
702 alps_decode_buttons_v3(f, p);
703 } else {
704 f->fingers = ((p[0] & 0x6) >> 1 |
705 (p[0] & 0x10) >> 2);
706
707 palm_data = (p[1] & 0x7f) |
708 ((p[2] & 0x7f) << 7) |
709 ((p[4] & 0x7f) << 14) |
710 ((p[5] & 0x7f) << 21) |
711 ((p[3] & 0x07) << 28) |
712 (((u64)p[3] & 0x70) << 27) |
713 (((u64)p[0] & 0x01) << 34);
714
715
716 f->y_map = palm_data & (BIT(priv->y_bits) - 1);
717
718
719 f->x_map = (palm_data >> priv->y_bits) &
720 (BIT(priv->x_bits) - 1);
721 }
722
723 return 0;
724}
725
726static void alps_process_touchpad_packet_v3_v5(struct psmouse *psmouse)
727{
728 struct alps_data *priv = psmouse->private;
729 unsigned char *packet = psmouse->packet;
730 struct input_dev *dev2 = priv->dev2;
731 struct alps_fields *f = &priv->f;
732 int fingers = 0;
733
734 memset(f, 0, sizeof(*f));
735
736 priv->decode_fields(f, packet, psmouse);
737
738
739
740
741
742
743
744 if (priv->multi_packet) {
745
746
747
748
749
750
751 if (f->is_mp) {
752 fingers = f->fingers;
753
754
755
756
757 priv->decode_fields(f, priv->multi_data, psmouse);
758 if (alps_process_bitmap(priv, f) == 0)
759 fingers = 0;
760 } else {
761 priv->multi_packet = 0;
762 }
763 }
764
765
766
767
768
769
770
771
772
773 if (f->is_mp)
774 return;
775
776 if (!priv->multi_packet && f->first_mp) {
777 priv->multi_packet = 1;
778 memcpy(priv->multi_data, packet, sizeof(priv->multi_data));
779 return;
780 }
781
782 priv->multi_packet = 0;
783
784
785
786
787
788
789
790 if (f->st.x && f->st.y && !f->pressure)
791 return;
792
793 alps_report_semi_mt_data(psmouse, fingers);
794
795 if ((priv->flags & ALPS_DUALPOINT) &&
796 !(priv->quirks & ALPS_QUIRK_TRACKSTICK_BUTTONS)) {
797 input_report_key(dev2, BTN_LEFT, f->ts_left);
798 input_report_key(dev2, BTN_RIGHT, f->ts_right);
799 input_report_key(dev2, BTN_MIDDLE, f->ts_middle);
800 input_sync(dev2);
801 }
802}
803
804static void alps_process_packet_v3(struct psmouse *psmouse)
805{
806 unsigned char *packet = psmouse->packet;
807
808
809
810
811
812
813
814
815
816 if (packet[5] == 0x3f) {
817 alps_process_trackstick_packet_v3(psmouse);
818 return;
819 }
820
821 alps_process_touchpad_packet_v3_v5(psmouse);
822}
823
824static void alps_process_packet_v6(struct psmouse *psmouse)
825{
826 struct alps_data *priv = psmouse->private;
827 unsigned char *packet = psmouse->packet;
828 struct input_dev *dev = psmouse->dev;
829 struct input_dev *dev2 = priv->dev2;
830 int x, y, z, left, right, middle;
831
832
833
834
835
836
837
838 if (packet[5] == 0x7F) {
839
840 if (!(priv->flags & ALPS_DUALPOINT)) {
841 psmouse_warn(psmouse,
842 "Rejected trackstick packet from non DualPoint device");
843 return;
844 }
845
846
847 x = packet[1] | ((packet[3] & 0x20) << 2);
848 y = packet[2] | ((packet[3] & 0x40) << 1);
849 z = packet[4];
850 left = packet[3] & 0x01;
851 right = packet[3] & 0x02;
852 middle = packet[3] & 0x04;
853
854
855 if (x == 0x7F && y == 0x7F && z == 0x7F)
856 x = y = z = 0;
857
858
859 input_report_rel(dev2, REL_X, (char)x / 4);
860 input_report_rel(dev2, REL_Y, -((char)y / 4));
861
862 input_report_key(dev2, BTN_LEFT, left);
863 input_report_key(dev2, BTN_RIGHT, right);
864 input_report_key(dev2, BTN_MIDDLE, middle);
865
866 input_sync(dev2);
867 return;
868 }
869
870
871 x = packet[1] | ((packet[3] & 0x78) << 4);
872 y = packet[2] | ((packet[4] & 0x78) << 4);
873 z = packet[5];
874 left = packet[3] & 0x01;
875 right = packet[3] & 0x02;
876
877 if (z > 30)
878 input_report_key(dev, BTN_TOUCH, 1);
879 if (z < 25)
880 input_report_key(dev, BTN_TOUCH, 0);
881
882 if (z > 0) {
883 input_report_abs(dev, ABS_X, x);
884 input_report_abs(dev, ABS_Y, y);
885 }
886
887 input_report_abs(dev, ABS_PRESSURE, z);
888 input_report_key(dev, BTN_TOOL_FINGER, z > 0);
889
890
891 input_report_key(dev, BTN_LEFT, left);
892 input_report_key(dev, BTN_RIGHT, right);
893
894 input_sync(dev);
895}
896
897static void alps_process_packet_v4(struct psmouse *psmouse)
898{
899 struct alps_data *priv = psmouse->private;
900 unsigned char *packet = psmouse->packet;
901 struct alps_fields *f = &priv->f;
902 int offset;
903
904
905
906
907
908
909 if (packet[6] & 0x40) {
910
911 priv->multi_packet = 0;
912 }
913
914 if (WARN_ON_ONCE(priv->multi_packet > 2))
915 return;
916
917 offset = 2 * priv->multi_packet;
918 priv->multi_data[offset] = packet[6];
919 priv->multi_data[offset + 1] = packet[7];
920
921 f->left = !!(packet[4] & 0x01);
922 f->right = !!(packet[4] & 0x02);
923
924 f->st.x = ((packet[1] & 0x7f) << 4) | ((packet[3] & 0x30) >> 2) |
925 ((packet[0] & 0x30) >> 4);
926 f->st.y = ((packet[2] & 0x7f) << 4) | (packet[3] & 0x0f);
927 f->pressure = packet[5] & 0x7f;
928
929 if (++priv->multi_packet > 2) {
930 priv->multi_packet = 0;
931
932 f->x_map = ((priv->multi_data[2] & 0x1f) << 10) |
933 ((priv->multi_data[3] & 0x60) << 3) |
934 ((priv->multi_data[0] & 0x3f) << 2) |
935 ((priv->multi_data[1] & 0x60) >> 5);
936 f->y_map = ((priv->multi_data[5] & 0x01) << 10) |
937 ((priv->multi_data[3] & 0x1f) << 5) |
938 (priv->multi_data[1] & 0x1f);
939
940 f->fingers = alps_process_bitmap(priv, f);
941 }
942
943 alps_report_semi_mt_data(psmouse, f->fingers);
944}
945
946static bool alps_is_valid_package_v7(struct psmouse *psmouse)
947{
948 switch (psmouse->pktcnt) {
949 case 3:
950 return (psmouse->packet[2] & 0x40) == 0x40;
951 case 4:
952 return (psmouse->packet[3] & 0x48) == 0x48;
953 case 6:
954 return (psmouse->packet[5] & 0x40) == 0x00;
955 }
956 return true;
957}
958
959static unsigned char alps_get_packet_id_v7(char *byte)
960{
961 unsigned char packet_id;
962
963 if (byte[4] & 0x40)
964 packet_id = V7_PACKET_ID_TWO;
965 else if (byte[4] & 0x01)
966 packet_id = V7_PACKET_ID_MULTI;
967 else if ((byte[0] & 0x10) && !(byte[4] & 0x43))
968 packet_id = V7_PACKET_ID_NEW;
969 else if (byte[1] == 0x00 && byte[4] == 0x00)
970 packet_id = V7_PACKET_ID_IDLE;
971 else
972 packet_id = V7_PACKET_ID_UNKNOWN;
973
974 return packet_id;
975}
976
977static void alps_get_finger_coordinate_v7(struct input_mt_pos *mt,
978 unsigned char *pkt,
979 unsigned char pkt_id)
980{
981 mt[0].x = ((pkt[2] & 0x80) << 4);
982 mt[0].x |= ((pkt[2] & 0x3F) << 5);
983 mt[0].x |= ((pkt[3] & 0x30) >> 1);
984 mt[0].x |= (pkt[3] & 0x07);
985 mt[0].y = (pkt[1] << 3) | (pkt[0] & 0x07);
986
987 mt[1].x = ((pkt[3] & 0x80) << 4);
988 mt[1].x |= ((pkt[4] & 0x80) << 3);
989 mt[1].x |= ((pkt[4] & 0x3F) << 4);
990 mt[1].y = ((pkt[5] & 0x80) << 3);
991 mt[1].y |= ((pkt[5] & 0x3F) << 4);
992
993 switch (pkt_id) {
994 case V7_PACKET_ID_TWO:
995 mt[1].x &= ~0x000F;
996 mt[1].y |= 0x000F;
997
998 if (mt[1].y == 0x7ff && mt[1].x == 0xff0) {
999 mt[1].x = 0;
1000
1001 }
1002 break;
1003
1004 case V7_PACKET_ID_MULTI:
1005 mt[1].x &= ~0x003F;
1006 mt[1].y &= ~0x0020;
1007 mt[1].y |= ((pkt[4] & 0x02) << 4);
1008 mt[1].y |= 0x001F;
1009 break;
1010
1011 case V7_PACKET_ID_NEW:
1012 mt[1].x &= ~0x003F;
1013 mt[1].x |= (pkt[0] & 0x20);
1014 mt[1].y |= 0x000F;
1015 break;
1016 }
1017
1018 mt[0].y = 0x7FF - mt[0].y;
1019 mt[1].y = 0x7FF - mt[1].y;
1020}
1021
1022static int alps_get_mt_count(struct input_mt_pos *mt)
1023{
1024 int i, fingers = 0;
1025
1026 for (i = 0; i < MAX_TOUCHES; i++) {
1027 if (mt[i].x != 0 || mt[i].y != 0)
1028 fingers++;
1029 }
1030
1031 return fingers;
1032}
1033
1034static int alps_decode_packet_v7(struct alps_fields *f,
1035 unsigned char *p,
1036 struct psmouse *psmouse)
1037{
1038 struct alps_data *priv = psmouse->private;
1039 unsigned char pkt_id;
1040
1041 pkt_id = alps_get_packet_id_v7(p);
1042 if (pkt_id == V7_PACKET_ID_IDLE)
1043 return 0;
1044 if (pkt_id == V7_PACKET_ID_UNKNOWN)
1045 return -1;
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064 if (pkt_id == V7_PACKET_ID_NEW)
1065 return 1;
1066
1067 alps_get_finger_coordinate_v7(f->mt, p, pkt_id);
1068
1069 if (pkt_id == V7_PACKET_ID_TWO)
1070 f->fingers = alps_get_mt_count(f->mt);
1071 else
1072 f->fingers = 3 + (p[5] & 0x03);
1073
1074 f->left = (p[0] & 0x80) >> 7;
1075 if (priv->flags & ALPS_BUTTONPAD) {
1076 if (p[0] & 0x20)
1077 f->fingers++;
1078 if (p[0] & 0x10)
1079 f->fingers++;
1080 } else {
1081 f->right = (p[0] & 0x20) >> 5;
1082 f->middle = (p[0] & 0x10) >> 4;
1083 }
1084
1085
1086 if (f->fingers == 1 && f->mt[0].x == 0 && f->mt[0].y == 0) {
1087 f->mt[0].x = f->mt[1].x;
1088 f->mt[0].y = f->mt[1].y;
1089 f->mt[1].x = 0;
1090 f->mt[1].y = 0;
1091 }
1092
1093 return 0;
1094}
1095
1096static void alps_process_trackstick_packet_v7(struct psmouse *psmouse)
1097{
1098 struct alps_data *priv = psmouse->private;
1099 unsigned char *packet = psmouse->packet;
1100 struct input_dev *dev2 = priv->dev2;
1101 int x, y, z, left, right, middle;
1102
1103
1104 if (!(priv->flags & ALPS_DUALPOINT)) {
1105 psmouse_warn(psmouse,
1106 "Rejected trackstick packet from non DualPoint device");
1107 return;
1108 }
1109
1110 x = ((packet[2] & 0xbf)) | ((packet[3] & 0x10) << 2);
1111 y = (packet[3] & 0x07) | (packet[4] & 0xb8) |
1112 ((packet[3] & 0x20) << 1);
1113 z = (packet[5] & 0x3f) | ((packet[3] & 0x80) >> 1);
1114
1115 left = (packet[1] & 0x01);
1116 right = (packet[1] & 0x02) >> 1;
1117 middle = (packet[1] & 0x04) >> 2;
1118
1119 input_report_rel(dev2, REL_X, (char)x);
1120 input_report_rel(dev2, REL_Y, -((char)y));
1121
1122 input_report_key(dev2, BTN_LEFT, left);
1123 input_report_key(dev2, BTN_RIGHT, right);
1124 input_report_key(dev2, BTN_MIDDLE, middle);
1125
1126 input_sync(dev2);
1127}
1128
1129static void alps_process_touchpad_packet_v7(struct psmouse *psmouse)
1130{
1131 struct alps_data *priv = psmouse->private;
1132 struct input_dev *dev = psmouse->dev;
1133 struct alps_fields *f = &priv->f;
1134
1135 memset(f, 0, sizeof(*f));
1136
1137 if (priv->decode_fields(f, psmouse->packet, psmouse))
1138 return;
1139
1140 alps_report_mt_data(psmouse, alps_get_mt_count(f->mt));
1141
1142 input_mt_report_finger_count(dev, f->fingers);
1143
1144 input_report_key(dev, BTN_LEFT, f->left);
1145 input_report_key(dev, BTN_RIGHT, f->right);
1146 input_report_key(dev, BTN_MIDDLE, f->middle);
1147
1148 input_sync(dev);
1149}
1150
1151static void alps_process_packet_v7(struct psmouse *psmouse)
1152{
1153 unsigned char *packet = psmouse->packet;
1154
1155 if (packet[0] == 0x48 && (packet[4] & 0x47) == 0x06)
1156 alps_process_trackstick_packet_v7(psmouse);
1157 else
1158 alps_process_touchpad_packet_v7(psmouse);
1159}
1160
1161static enum SS4_PACKET_ID alps_get_pkt_id_ss4_v2(unsigned char *byte)
1162{
1163 enum SS4_PACKET_ID pkt_id = SS4_PACKET_ID_IDLE;
1164
1165 switch (byte[3] & 0x30) {
1166 case 0x00:
1167 if (SS4_IS_IDLE_V2(byte)) {
1168 pkt_id = SS4_PACKET_ID_IDLE;
1169 } else {
1170 pkt_id = SS4_PACKET_ID_ONE;
1171 }
1172 break;
1173 case 0x10:
1174
1175 pkt_id = SS4_PACKET_ID_TWO;
1176 break;
1177 case 0x20:
1178
1179 pkt_id = SS4_PACKET_ID_STICK;
1180 break;
1181 case 0x30:
1182
1183 pkt_id = SS4_PACKET_ID_MULTI;
1184 break;
1185 }
1186
1187 return pkt_id;
1188}
1189
1190static int alps_decode_ss4_v2(struct alps_fields *f,
1191 unsigned char *p, struct psmouse *psmouse)
1192{
1193 struct alps_data *priv = psmouse->private;
1194 enum SS4_PACKET_ID pkt_id;
1195 unsigned int no_data_x, no_data_y;
1196
1197 pkt_id = alps_get_pkt_id_ss4_v2(p);
1198
1199
1200 switch (pkt_id) {
1201 case SS4_PACKET_ID_ONE:
1202 f->mt[0].x = SS4_1F_X_V2(p);
1203 f->mt[0].y = SS4_1F_Y_V2(p);
1204 f->pressure = ((SS4_1F_Z_V2(p)) * 2) & 0x7f;
1205
1206
1207
1208
1209
1210
1211 f->fingers = f->pressure > 0 ? 1 : 0;
1212 f->first_mp = 0;
1213 f->is_mp = 0;
1214 break;
1215
1216 case SS4_PACKET_ID_TWO:
1217 if (priv->flags & ALPS_BUTTONPAD) {
1218 if (IS_SS4PLUS_DEV(priv->dev_id)) {
1219 f->mt[0].x = SS4_PLUS_BTL_MF_X_V2(p, 0);
1220 f->mt[1].x = SS4_PLUS_BTL_MF_X_V2(p, 1);
1221 } else {
1222 f->mt[0].x = SS4_BTL_MF_X_V2(p, 0);
1223 f->mt[1].x = SS4_BTL_MF_X_V2(p, 1);
1224 }
1225 f->mt[0].y = SS4_BTL_MF_Y_V2(p, 0);
1226 f->mt[1].y = SS4_BTL_MF_Y_V2(p, 1);
1227 } else {
1228 if (IS_SS4PLUS_DEV(priv->dev_id)) {
1229 f->mt[0].x = SS4_PLUS_STD_MF_X_V2(p, 0);
1230 f->mt[1].x = SS4_PLUS_STD_MF_X_V2(p, 1);
1231 } else {
1232 f->mt[0].x = SS4_STD_MF_X_V2(p, 0);
1233 f->mt[1].x = SS4_STD_MF_X_V2(p, 1);
1234 }
1235 f->mt[0].y = SS4_STD_MF_Y_V2(p, 0);
1236 f->mt[1].y = SS4_STD_MF_Y_V2(p, 1);
1237 }
1238 f->pressure = SS4_MF_Z_V2(p, 0) ? 0x30 : 0;
1239
1240 if (SS4_IS_MF_CONTINUE(p)) {
1241 f->first_mp = 1;
1242 } else {
1243 f->fingers = 2;
1244 f->first_mp = 0;
1245 }
1246 f->is_mp = 0;
1247
1248 break;
1249
1250 case SS4_PACKET_ID_MULTI:
1251 if (priv->flags & ALPS_BUTTONPAD) {
1252 if (IS_SS4PLUS_DEV(priv->dev_id)) {
1253 f->mt[0].x = SS4_PLUS_BTL_MF_X_V2(p, 0);
1254 f->mt[1].x = SS4_PLUS_BTL_MF_X_V2(p, 1);
1255 } else {
1256 f->mt[2].x = SS4_BTL_MF_X_V2(p, 0);
1257 f->mt[3].x = SS4_BTL_MF_X_V2(p, 1);
1258 }
1259
1260 f->mt[2].y = SS4_BTL_MF_Y_V2(p, 0);
1261 f->mt[3].y = SS4_BTL_MF_Y_V2(p, 1);
1262 no_data_x = SS4_MFPACKET_NO_AX_BL;
1263 no_data_y = SS4_MFPACKET_NO_AY_BL;
1264 } else {
1265 if (IS_SS4PLUS_DEV(priv->dev_id)) {
1266 f->mt[0].x = SS4_PLUS_STD_MF_X_V2(p, 0);
1267 f->mt[1].x = SS4_PLUS_STD_MF_X_V2(p, 1);
1268 } else {
1269 f->mt[0].x = SS4_STD_MF_X_V2(p, 0);
1270 f->mt[1].x = SS4_STD_MF_X_V2(p, 1);
1271 }
1272 f->mt[2].y = SS4_STD_MF_Y_V2(p, 0);
1273 f->mt[3].y = SS4_STD_MF_Y_V2(p, 1);
1274 no_data_x = SS4_MFPACKET_NO_AX;
1275 no_data_y = SS4_MFPACKET_NO_AY;
1276 }
1277
1278 f->first_mp = 0;
1279 f->is_mp = 1;
1280
1281 if (SS4_IS_5F_DETECTED(p)) {
1282 f->fingers = 5;
1283 } else if (f->mt[3].x == no_data_x &&
1284 f->mt[3].y == no_data_y) {
1285 f->mt[3].x = 0;
1286 f->mt[3].y = 0;
1287 f->fingers = 3;
1288 } else {
1289 f->fingers = 4;
1290 }
1291 break;
1292
1293 case SS4_PACKET_ID_STICK:
1294
1295
1296
1297
1298 f->first_mp = 0;
1299 f->is_mp = 0;
1300 break;
1301
1302 case SS4_PACKET_ID_IDLE:
1303 default:
1304 memset(f, 0, sizeof(struct alps_fields));
1305 break;
1306 }
1307
1308
1309 if (pkt_id == SS4_PACKET_ID_STICK) {
1310 f->ts_left = !!(SS4_BTN_V2(p) & 0x01);
1311 f->ts_right = !!(SS4_BTN_V2(p) & 0x02);
1312 f->ts_middle = !!(SS4_BTN_V2(p) & 0x04);
1313 } else {
1314 f->left = !!(SS4_BTN_V2(p) & 0x01);
1315 if (!(priv->flags & ALPS_BUTTONPAD)) {
1316 f->right = !!(SS4_BTN_V2(p) & 0x02);
1317 f->middle = !!(SS4_BTN_V2(p) & 0x04);
1318 }
1319 }
1320
1321 return 0;
1322}
1323
1324static void alps_process_packet_ss4_v2(struct psmouse *psmouse)
1325{
1326 struct alps_data *priv = psmouse->private;
1327 unsigned char *packet = psmouse->packet;
1328 struct input_dev *dev = psmouse->dev;
1329 struct input_dev *dev2 = priv->dev2;
1330 struct alps_fields *f = &priv->f;
1331
1332 memset(f, 0, sizeof(struct alps_fields));
1333 priv->decode_fields(f, packet, psmouse);
1334 if (priv->multi_packet) {
1335
1336
1337
1338
1339
1340
1341 if (f->is_mp) {
1342
1343 priv->decode_fields(f, priv->multi_data, psmouse);
1344 } else {
1345 priv->multi_packet = 0;
1346 }
1347 }
1348
1349
1350
1351
1352
1353 if (f->is_mp)
1354 return;
1355
1356
1357 if (!priv->multi_packet && f->first_mp) {
1358 priv->multi_packet = 1;
1359 memcpy(priv->multi_data, packet, sizeof(priv->multi_data));
1360 return;
1361 }
1362
1363 priv->multi_packet = 0;
1364
1365
1366 if (alps_get_pkt_id_ss4_v2(packet) == SS4_PACKET_ID_STICK) {
1367 if (!(priv->flags & ALPS_DUALPOINT)) {
1368 psmouse_warn(psmouse,
1369 "Rejected trackstick packet from non DualPoint device");
1370 return;
1371 }
1372
1373 input_report_rel(dev2, REL_X, SS4_TS_X_V2(packet));
1374 input_report_rel(dev2, REL_Y, SS4_TS_Y_V2(packet));
1375 input_report_abs(dev2, ABS_PRESSURE, SS4_TS_Z_V2(packet));
1376
1377 input_report_key(dev2, BTN_LEFT, f->ts_left);
1378 input_report_key(dev2, BTN_RIGHT, f->ts_right);
1379 input_report_key(dev2, BTN_MIDDLE, f->ts_middle);
1380
1381 input_sync(dev2);
1382 return;
1383 }
1384
1385
1386 alps_report_mt_data(psmouse, (f->fingers <= 4) ? f->fingers : 4);
1387
1388 input_mt_report_finger_count(dev, f->fingers);
1389
1390 input_report_key(dev, BTN_LEFT, f->left);
1391 input_report_key(dev, BTN_RIGHT, f->right);
1392 input_report_key(dev, BTN_MIDDLE, f->middle);
1393
1394 input_report_abs(dev, ABS_PRESSURE, f->pressure);
1395 input_sync(dev);
1396}
1397
1398static bool alps_is_valid_package_ss4_v2(struct psmouse *psmouse)
1399{
1400 if (psmouse->pktcnt == 4 && ((psmouse->packet[3] & 0x08) != 0x08))
1401 return false;
1402 if (psmouse->pktcnt == 6 && ((psmouse->packet[5] & 0x10) != 0x0))
1403 return false;
1404 return true;
1405}
1406
1407static DEFINE_MUTEX(alps_mutex);
1408
1409static void alps_register_bare_ps2_mouse(struct work_struct *work)
1410{
1411 struct alps_data *priv =
1412 container_of(work, struct alps_data, dev3_register_work.work);
1413 struct psmouse *psmouse = priv->psmouse;
1414 struct input_dev *dev3;
1415 int error = 0;
1416
1417 mutex_lock(&alps_mutex);
1418
1419 if (priv->dev3)
1420 goto out;
1421
1422 dev3 = input_allocate_device();
1423 if (!dev3) {
1424 psmouse_err(psmouse, "failed to allocate secondary device\n");
1425 error = -ENOMEM;
1426 goto out;
1427 }
1428
1429 snprintf(priv->phys3, sizeof(priv->phys3), "%s/%s",
1430 psmouse->ps2dev.serio->phys,
1431 (priv->dev2 ? "input2" : "input1"));
1432 dev3->phys = priv->phys3;
1433
1434
1435
1436
1437
1438 dev3->name = "PS/2 ALPS Mouse";
1439
1440 dev3->id.bustype = BUS_I8042;
1441 dev3->id.vendor = 0x0002;
1442 dev3->id.product = PSMOUSE_PS2;
1443 dev3->id.version = 0x0000;
1444 dev3->dev.parent = &psmouse->ps2dev.serio->dev;
1445
1446 input_set_capability(dev3, EV_REL, REL_X);
1447 input_set_capability(dev3, EV_REL, REL_Y);
1448 input_set_capability(dev3, EV_KEY, BTN_LEFT);
1449 input_set_capability(dev3, EV_KEY, BTN_RIGHT);
1450 input_set_capability(dev3, EV_KEY, BTN_MIDDLE);
1451
1452 __set_bit(INPUT_PROP_POINTER, dev3->propbit);
1453
1454 error = input_register_device(dev3);
1455 if (error) {
1456 psmouse_err(psmouse,
1457 "failed to register secondary device: %d\n",
1458 error);
1459 input_free_device(dev3);
1460 goto out;
1461 }
1462
1463 priv->dev3 = dev3;
1464
1465out:
1466
1467
1468
1469
1470 if (error)
1471 priv->dev3 = ERR_PTR(error);
1472
1473 mutex_unlock(&alps_mutex);
1474}
1475
1476static void alps_report_bare_ps2_packet(struct psmouse *psmouse,
1477 unsigned char packet[],
1478 bool report_buttons)
1479{
1480 struct alps_data *priv = psmouse->private;
1481 struct input_dev *dev, *dev2 = NULL;
1482
1483
1484 if (priv->proto_version == ALPS_PROTO_V2 &&
1485 (priv->flags & ALPS_DUALPOINT)) {
1486
1487 dev = priv->dev2;
1488 dev2 = psmouse->dev;
1489 } else if (unlikely(IS_ERR_OR_NULL(priv->dev3))) {
1490
1491 if (!IS_ERR(priv->dev3))
1492 psmouse_queue_work(psmouse, &priv->dev3_register_work,
1493 0);
1494 return;
1495 } else {
1496 dev = priv->dev3;
1497 }
1498
1499 if (report_buttons)
1500 alps_report_buttons(dev, dev2,
1501 packet[0] & 1, packet[0] & 2, packet[0] & 4);
1502
1503 input_report_rel(dev, REL_X,
1504 packet[1] ? packet[1] - ((packet[0] << 4) & 0x100) : 0);
1505 input_report_rel(dev, REL_Y,
1506 packet[2] ? ((packet[0] << 3) & 0x100) - packet[2] : 0);
1507
1508 input_sync(dev);
1509}
1510
1511static psmouse_ret_t alps_handle_interleaved_ps2(struct psmouse *psmouse)
1512{
1513 struct alps_data *priv = psmouse->private;
1514
1515 if (psmouse->pktcnt < 6)
1516 return PSMOUSE_GOOD_DATA;
1517
1518 if (psmouse->pktcnt == 6) {
1519
1520
1521
1522
1523
1524
1525 mod_timer(&priv->timer, jiffies + msecs_to_jiffies(20));
1526 return PSMOUSE_GOOD_DATA;
1527 }
1528
1529 del_timer(&priv->timer);
1530
1531 if (psmouse->packet[6] & 0x80) {
1532
1533
1534
1535
1536
1537
1538
1539 if (((psmouse->packet[3] |
1540 psmouse->packet[4] |
1541 psmouse->packet[5]) & 0x80) ||
1542 (!alps_is_valid_first_byte(priv, psmouse->packet[6]))) {
1543 psmouse_dbg(psmouse,
1544 "refusing packet %4ph (suspected interleaved ps/2)\n",
1545 psmouse->packet + 3);
1546 return PSMOUSE_BAD_DATA;
1547 }
1548
1549 priv->process_packet(psmouse);
1550
1551
1552 psmouse->packet[0] = psmouse->packet[6];
1553 psmouse->pktcnt = 1;
1554
1555 } else {
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573 alps_report_bare_ps2_packet(psmouse, &psmouse->packet[3],
1574 false);
1575
1576
1577
1578
1579
1580
1581
1582
1583 psmouse->packet[3] = psmouse->packet[6] & 0xf7;
1584 psmouse->pktcnt = 4;
1585 }
1586
1587 return PSMOUSE_GOOD_DATA;
1588}
1589
1590static void alps_flush_packet(unsigned long data)
1591{
1592 struct psmouse *psmouse = (struct psmouse *)data;
1593 struct alps_data *priv = psmouse->private;
1594
1595 serio_pause_rx(psmouse->ps2dev.serio);
1596
1597 if (psmouse->pktcnt == psmouse->pktsize) {
1598
1599
1600
1601
1602
1603
1604 if ((psmouse->packet[3] |
1605 psmouse->packet[4] |
1606 psmouse->packet[5]) & 0x80) {
1607 psmouse_dbg(psmouse,
1608 "refusing packet %3ph (suspected interleaved ps/2)\n",
1609 psmouse->packet + 3);
1610 } else {
1611 priv->process_packet(psmouse);
1612 }
1613 psmouse->pktcnt = 0;
1614 }
1615
1616 serio_continue_rx(psmouse->ps2dev.serio);
1617}
1618
1619static psmouse_ret_t alps_process_byte(struct psmouse *psmouse)
1620{
1621 struct alps_data *priv = psmouse->private;
1622
1623
1624
1625
1626
1627
1628
1629
1630 if (priv->proto_version != ALPS_PROTO_V8 &&
1631 !psmouse->out_of_sync_cnt &&
1632 (psmouse->packet[0] & 0xc8) == 0x08) {
1633
1634 if (psmouse->pktcnt == 3) {
1635 alps_report_bare_ps2_packet(psmouse, psmouse->packet,
1636 true);
1637 return PSMOUSE_FULL_PACKET;
1638 }
1639 return PSMOUSE_GOOD_DATA;
1640 }
1641
1642
1643
1644 if ((priv->flags & ALPS_PS2_INTERLEAVED) &&
1645 psmouse->pktcnt >= 4 && (psmouse->packet[3] & 0x0f) == 0x0f) {
1646 return alps_handle_interleaved_ps2(psmouse);
1647 }
1648
1649 if (!alps_is_valid_first_byte(priv, psmouse->packet[0])) {
1650 psmouse_dbg(psmouse,
1651 "refusing packet[0] = %x (mask0 = %x, byte0 = %x)\n",
1652 psmouse->packet[0], priv->mask0, priv->byte0);
1653 return PSMOUSE_BAD_DATA;
1654 }
1655
1656
1657 if (priv->proto_version < ALPS_PROTO_V5 &&
1658 psmouse->pktcnt >= 2 && psmouse->pktcnt <= psmouse->pktsize &&
1659 (psmouse->packet[psmouse->pktcnt - 1] & 0x80)) {
1660 psmouse_dbg(psmouse, "refusing packet[%i] = %x\n",
1661 psmouse->pktcnt - 1,
1662 psmouse->packet[psmouse->pktcnt - 1]);
1663
1664 if (priv->proto_version == ALPS_PROTO_V3_RUSHMORE &&
1665 psmouse->pktcnt == psmouse->pktsize) {
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675 return PSMOUSE_FULL_PACKET;
1676 }
1677
1678 return PSMOUSE_BAD_DATA;
1679 }
1680
1681 if ((priv->proto_version == ALPS_PROTO_V7 &&
1682 !alps_is_valid_package_v7(psmouse)) ||
1683 (priv->proto_version == ALPS_PROTO_V8 &&
1684 !alps_is_valid_package_ss4_v2(psmouse))) {
1685 psmouse_dbg(psmouse, "refusing packet[%i] = %x\n",
1686 psmouse->pktcnt - 1,
1687 psmouse->packet[psmouse->pktcnt - 1]);
1688 return PSMOUSE_BAD_DATA;
1689 }
1690
1691 if (psmouse->pktcnt == psmouse->pktsize) {
1692 priv->process_packet(psmouse);
1693 return PSMOUSE_FULL_PACKET;
1694 }
1695
1696 return PSMOUSE_GOOD_DATA;
1697}
1698
1699static int alps_command_mode_send_nibble(struct psmouse *psmouse, int nibble)
1700{
1701 struct ps2dev *ps2dev = &psmouse->ps2dev;
1702 struct alps_data *priv = psmouse->private;
1703 int command;
1704 unsigned char *param;
1705 unsigned char dummy[4];
1706
1707 BUG_ON(nibble > 0xf);
1708
1709 command = priv->nibble_commands[nibble].command;
1710 param = (command & 0x0f00) ?
1711 dummy : (unsigned char *)&priv->nibble_commands[nibble].data;
1712
1713 if (ps2_command(ps2dev, param, command))
1714 return -1;
1715
1716 return 0;
1717}
1718
1719static int alps_command_mode_set_addr(struct psmouse *psmouse, int addr)
1720{
1721 struct ps2dev *ps2dev = &psmouse->ps2dev;
1722 struct alps_data *priv = psmouse->private;
1723 int i, nibble;
1724
1725 if (ps2_command(ps2dev, NULL, priv->addr_command))
1726 return -1;
1727
1728 for (i = 12; i >= 0; i -= 4) {
1729 nibble = (addr >> i) & 0xf;
1730 if (alps_command_mode_send_nibble(psmouse, nibble))
1731 return -1;
1732 }
1733
1734 return 0;
1735}
1736
1737static int __alps_command_mode_read_reg(struct psmouse *psmouse, int addr)
1738{
1739 struct ps2dev *ps2dev = &psmouse->ps2dev;
1740 unsigned char param[4];
1741
1742 if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO))
1743 return -1;
1744
1745
1746
1747
1748
1749
1750 if (addr != ((param[0] << 8) | param[1]))
1751 return -1;
1752
1753 return param[2];
1754}
1755
1756static int alps_command_mode_read_reg(struct psmouse *psmouse, int addr)
1757{
1758 if (alps_command_mode_set_addr(psmouse, addr))
1759 return -1;
1760 return __alps_command_mode_read_reg(psmouse, addr);
1761}
1762
1763static int __alps_command_mode_write_reg(struct psmouse *psmouse, u8 value)
1764{
1765 if (alps_command_mode_send_nibble(psmouse, (value >> 4) & 0xf))
1766 return -1;
1767 if (alps_command_mode_send_nibble(psmouse, value & 0xf))
1768 return -1;
1769 return 0;
1770}
1771
1772static int alps_command_mode_write_reg(struct psmouse *psmouse, int addr,
1773 u8 value)
1774{
1775 if (alps_command_mode_set_addr(psmouse, addr))
1776 return -1;
1777 return __alps_command_mode_write_reg(psmouse, value);
1778}
1779
1780static int alps_rpt_cmd(struct psmouse *psmouse, int init_command,
1781 int repeated_command, unsigned char *param)
1782{
1783 struct ps2dev *ps2dev = &psmouse->ps2dev;
1784
1785 param[0] = 0;
1786 if (init_command && ps2_command(ps2dev, param, init_command))
1787 return -EIO;
1788
1789 if (ps2_command(ps2dev, NULL, repeated_command) ||
1790 ps2_command(ps2dev, NULL, repeated_command) ||
1791 ps2_command(ps2dev, NULL, repeated_command))
1792 return -EIO;
1793
1794 param[0] = param[1] = param[2] = 0xff;
1795 if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO))
1796 return -EIO;
1797
1798 psmouse_dbg(psmouse, "%2.2X report: %3ph\n",
1799 repeated_command, param);
1800 return 0;
1801}
1802
1803static bool alps_check_valid_firmware_id(unsigned char id[])
1804{
1805 if (id[0] == 0x73)
1806 return true;
1807
1808 if (id[0] == 0x88 &&
1809 (id[1] == 0x07 ||
1810 id[1] == 0x08 ||
1811 (id[1] & 0xf0) == 0xb0 ||
1812 (id[1] & 0xf0) == 0xc0)) {
1813 return true;
1814 }
1815
1816 return false;
1817}
1818
1819static int alps_enter_command_mode(struct psmouse *psmouse)
1820{
1821 unsigned char param[4];
1822
1823 if (alps_rpt_cmd(psmouse, 0, PSMOUSE_CMD_RESET_WRAP, param)) {
1824 psmouse_err(psmouse, "failed to enter command mode\n");
1825 return -1;
1826 }
1827
1828 if (!alps_check_valid_firmware_id(param)) {
1829 psmouse_dbg(psmouse,
1830 "unknown response while entering command mode\n");
1831 return -1;
1832 }
1833 return 0;
1834}
1835
1836static inline int alps_exit_command_mode(struct psmouse *psmouse)
1837{
1838 struct ps2dev *ps2dev = &psmouse->ps2dev;
1839 if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSTREAM))
1840 return -1;
1841 return 0;
1842}
1843
1844
1845
1846
1847
1848
1849static int alps_passthrough_mode_v2(struct psmouse *psmouse, bool enable)
1850{
1851 struct ps2dev *ps2dev = &psmouse->ps2dev;
1852 int cmd = enable ? PSMOUSE_CMD_SETSCALE21 : PSMOUSE_CMD_SETSCALE11;
1853
1854 if (ps2_command(ps2dev, NULL, cmd) ||
1855 ps2_command(ps2dev, NULL, cmd) ||
1856 ps2_command(ps2dev, NULL, cmd) ||
1857 ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE))
1858 return -1;
1859
1860
1861 ps2_drain(ps2dev, 3, 100);
1862
1863 return 0;
1864}
1865
1866static int alps_absolute_mode_v1_v2(struct psmouse *psmouse)
1867{
1868 struct ps2dev *ps2dev = &psmouse->ps2dev;
1869
1870
1871 if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) ||
1872 ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) ||
1873 ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) ||
1874 ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) ||
1875 ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE))
1876 return -1;
1877
1878
1879
1880
1881
1882 return ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETPOLL);
1883}
1884
1885static int alps_monitor_mode_send_word(struct psmouse *psmouse, u16 word)
1886{
1887 int i, nibble;
1888
1889
1890
1891
1892
1893 for (i = 0; i <= 8; i += 4) {
1894 nibble = (word >> i) & 0xf;
1895 if (alps_command_mode_send_nibble(psmouse, nibble))
1896 return -1;
1897 }
1898
1899 return 0;
1900}
1901
1902static int alps_monitor_mode_write_reg(struct psmouse *psmouse,
1903 u16 addr, u16 value)
1904{
1905 struct ps2dev *ps2dev = &psmouse->ps2dev;
1906
1907
1908 if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE) ||
1909 alps_monitor_mode_send_word(psmouse, 0x0A0) ||
1910 alps_monitor_mode_send_word(psmouse, addr) ||
1911 alps_monitor_mode_send_word(psmouse, value) ||
1912 ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE))
1913 return -1;
1914
1915 return 0;
1916}
1917
1918static int alps_monitor_mode(struct psmouse *psmouse, bool enable)
1919{
1920 struct ps2dev *ps2dev = &psmouse->ps2dev;
1921
1922 if (enable) {
1923
1924 if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_RESET_WRAP) ||
1925 ps2_command(ps2dev, NULL, PSMOUSE_CMD_GETINFO) ||
1926 ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) ||
1927 ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) ||
1928 ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21) ||
1929 ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) ||
1930 ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21) ||
1931 ps2_command(ps2dev, NULL, PSMOUSE_CMD_GETINFO))
1932 return -1;
1933 } else {
1934
1935 if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_RESET_WRAP))
1936 return -1;
1937 }
1938
1939 return 0;
1940}
1941
1942static int alps_absolute_mode_v6(struct psmouse *psmouse)
1943{
1944 u16 reg_val = 0x181;
1945 int ret = -1;
1946
1947
1948 if (alps_monitor_mode(psmouse, true))
1949 return -1;
1950
1951 ret = alps_monitor_mode_write_reg(psmouse, 0x000, reg_val);
1952
1953 if (alps_monitor_mode(psmouse, false))
1954 ret = -1;
1955
1956 return ret;
1957}
1958
1959static int alps_get_status(struct psmouse *psmouse, char *param)
1960{
1961
1962 if (alps_rpt_cmd(psmouse, 0, PSMOUSE_CMD_DISABLE, param))
1963 return -1;
1964
1965 return 0;
1966}
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977static int alps_tap_mode(struct psmouse *psmouse, int enable)
1978{
1979 struct ps2dev *ps2dev = &psmouse->ps2dev;
1980 int cmd = enable ? PSMOUSE_CMD_SETRATE : PSMOUSE_CMD_SETRES;
1981 unsigned char tap_arg = enable ? 0x0A : 0x00;
1982 unsigned char param[4];
1983
1984 if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO) ||
1985 ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) ||
1986 ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) ||
1987 ps2_command(ps2dev, &tap_arg, cmd))
1988 return -1;
1989
1990 if (alps_get_status(psmouse, param))
1991 return -1;
1992
1993 return 0;
1994}
1995
1996
1997
1998
1999
2000static int alps_poll(struct psmouse *psmouse)
2001{
2002 struct alps_data *priv = psmouse->private;
2003 unsigned char buf[sizeof(psmouse->packet)];
2004 bool poll_failed;
2005
2006 if (priv->flags & ALPS_PASS)
2007 alps_passthrough_mode_v2(psmouse, true);
2008
2009 poll_failed = ps2_command(&psmouse->ps2dev, buf,
2010 PSMOUSE_CMD_POLL | (psmouse->pktsize << 8)) < 0;
2011
2012 if (priv->flags & ALPS_PASS)
2013 alps_passthrough_mode_v2(psmouse, false);
2014
2015 if (poll_failed || (buf[0] & priv->mask0) != priv->byte0)
2016 return -1;
2017
2018 if ((psmouse->badbyte & 0xc8) == 0x08) {
2019
2020
2021
2022 if (ps2_command(&psmouse->ps2dev, buf, PSMOUSE_CMD_POLL | (3 << 8)))
2023 return -1;
2024 }
2025
2026 memcpy(psmouse->packet, buf, sizeof(buf));
2027 return 0;
2028}
2029
2030static int alps_hw_init_v1_v2(struct psmouse *psmouse)
2031{
2032 struct alps_data *priv = psmouse->private;
2033
2034 if ((priv->flags & ALPS_PASS) &&
2035 alps_passthrough_mode_v2(psmouse, true)) {
2036 return -1;
2037 }
2038
2039 if (alps_tap_mode(psmouse, true)) {
2040 psmouse_warn(psmouse, "Failed to enable hardware tapping\n");
2041 return -1;
2042 }
2043
2044 if (alps_absolute_mode_v1_v2(psmouse)) {
2045 psmouse_err(psmouse, "Failed to enable absolute mode\n");
2046 return -1;
2047 }
2048
2049 if ((priv->flags & ALPS_PASS) &&
2050 alps_passthrough_mode_v2(psmouse, false)) {
2051 return -1;
2052 }
2053
2054
2055 if (ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSTREAM)) {
2056 psmouse_err(psmouse, "Failed to enable stream mode\n");
2057 return -1;
2058 }
2059
2060 return 0;
2061}
2062
2063static int alps_hw_init_v6(struct psmouse *psmouse)
2064{
2065 unsigned char param[2] = {0xC8, 0x14};
2066
2067
2068 if (alps_passthrough_mode_v2(psmouse, true))
2069 return -1;
2070
2071 if (ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) ||
2072 ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) ||
2073 ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) ||
2074 ps2_command(&psmouse->ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE) ||
2075 ps2_command(&psmouse->ps2dev, ¶m[1], PSMOUSE_CMD_SETRATE))
2076 return -1;
2077
2078 if (alps_passthrough_mode_v2(psmouse, false))
2079 return -1;
2080
2081 if (alps_absolute_mode_v6(psmouse)) {
2082 psmouse_err(psmouse, "Failed to enable absolute mode\n");
2083 return -1;
2084 }
2085
2086 return 0;
2087}
2088
2089
2090
2091
2092static int alps_passthrough_mode_v3(struct psmouse *psmouse,
2093 int reg_base, bool enable)
2094{
2095 int reg_val, ret = -1;
2096
2097 if (alps_enter_command_mode(psmouse))
2098 return -1;
2099
2100 reg_val = alps_command_mode_read_reg(psmouse, reg_base + 0x0008);
2101 if (reg_val == -1)
2102 goto error;
2103
2104 if (enable)
2105 reg_val |= 0x01;
2106 else
2107 reg_val &= ~0x01;
2108
2109 ret = __alps_command_mode_write_reg(psmouse, reg_val);
2110
2111error:
2112 if (alps_exit_command_mode(psmouse))
2113 ret = -1;
2114 return ret;
2115}
2116
2117
2118static int alps_absolute_mode_v3(struct psmouse *psmouse)
2119{
2120 int reg_val;
2121
2122 reg_val = alps_command_mode_read_reg(psmouse, 0x0004);
2123 if (reg_val == -1)
2124 return -1;
2125
2126 reg_val |= 0x06;
2127 if (__alps_command_mode_write_reg(psmouse, reg_val))
2128 return -1;
2129
2130 return 0;
2131}
2132
2133static int alps_probe_trackstick_v3_v7(struct psmouse *psmouse, int reg_base)
2134{
2135 int ret = -EIO, reg_val;
2136
2137 if (alps_enter_command_mode(psmouse))
2138 goto error;
2139
2140 reg_val = alps_command_mode_read_reg(psmouse, reg_base + 0x08);
2141 if (reg_val == -1)
2142 goto error;
2143
2144
2145 ret = reg_val & 0x80 ? 0 : -ENODEV;
2146
2147error:
2148 alps_exit_command_mode(psmouse);
2149 return ret;
2150}
2151
2152static int alps_setup_trackstick_v3(struct psmouse *psmouse, int reg_base)
2153{
2154 struct ps2dev *ps2dev = &psmouse->ps2dev;
2155 int ret = 0;
2156 unsigned char param[4];
2157
2158 if (alps_passthrough_mode_v3(psmouse, reg_base, true))
2159 return -EIO;
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170 if (alps_rpt_cmd(psmouse, 0, PSMOUSE_CMD_SETSCALE21, param)) {
2171 psmouse_warn(psmouse, "Failed to initialize trackstick (E7 report failed)\n");
2172 ret = -ENODEV;
2173 } else {
2174 psmouse_dbg(psmouse, "trackstick E7 report: %3ph\n", param);
2175
2176
2177
2178
2179
2180
2181
2182 if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) ||
2183 ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) ||
2184 ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) ||
2185 alps_command_mode_send_nibble(psmouse, 0x9) ||
2186 alps_command_mode_send_nibble(psmouse, 0x4)) {
2187 psmouse_err(psmouse,
2188 "Error sending magic E6 sequence\n");
2189 ret = -EIO;
2190 goto error;
2191 }
2192
2193
2194
2195
2196
2197
2198 if (alps_enter_command_mode(psmouse) ||
2199 alps_command_mode_write_reg(psmouse,
2200 reg_base + 0x08, 0x82) ||
2201 alps_exit_command_mode(psmouse))
2202 ret = -EIO;
2203 }
2204
2205error:
2206 if (alps_passthrough_mode_v3(psmouse, reg_base, false))
2207 ret = -EIO;
2208
2209 return ret;
2210}
2211
2212static int alps_hw_init_v3(struct psmouse *psmouse)
2213{
2214 struct alps_data *priv = psmouse->private;
2215 struct ps2dev *ps2dev = &psmouse->ps2dev;
2216 int reg_val;
2217 unsigned char param[4];
2218
2219 if ((priv->flags & ALPS_DUALPOINT) &&
2220 alps_setup_trackstick_v3(psmouse, ALPS_REG_BASE_PINNACLE) == -EIO)
2221 goto error;
2222
2223 if (alps_enter_command_mode(psmouse) ||
2224 alps_absolute_mode_v3(psmouse)) {
2225 psmouse_err(psmouse, "Failed to enter absolute mode\n");
2226 goto error;
2227 }
2228
2229 reg_val = alps_command_mode_read_reg(psmouse, 0x0006);
2230 if (reg_val == -1)
2231 goto error;
2232 if (__alps_command_mode_write_reg(psmouse, reg_val | 0x01))
2233 goto error;
2234
2235 reg_val = alps_command_mode_read_reg(psmouse, 0x0007);
2236 if (reg_val == -1)
2237 goto error;
2238 if (__alps_command_mode_write_reg(psmouse, reg_val | 0x01))
2239 goto error;
2240
2241 if (alps_command_mode_read_reg(psmouse, 0x0144) == -1)
2242 goto error;
2243 if (__alps_command_mode_write_reg(psmouse, 0x04))
2244 goto error;
2245
2246 if (alps_command_mode_read_reg(psmouse, 0x0159) == -1)
2247 goto error;
2248 if (__alps_command_mode_write_reg(psmouse, 0x03))
2249 goto error;
2250
2251 if (alps_command_mode_read_reg(psmouse, 0x0163) == -1)
2252 goto error;
2253 if (alps_command_mode_write_reg(psmouse, 0x0163, 0x03))
2254 goto error;
2255
2256 if (alps_command_mode_read_reg(psmouse, 0x0162) == -1)
2257 goto error;
2258 if (alps_command_mode_write_reg(psmouse, 0x0162, 0x04))
2259 goto error;
2260
2261 alps_exit_command_mode(psmouse);
2262
2263
2264 param[0] = 0x64;
2265 if (ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE) ||
2266 ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE)) {
2267 psmouse_err(psmouse, "Failed to enable data reporting\n");
2268 return -1;
2269 }
2270
2271 return 0;
2272
2273error:
2274
2275
2276
2277
2278
2279 alps_exit_command_mode(psmouse);
2280 return -1;
2281}
2282
2283static int alps_get_v3_v7_resolution(struct psmouse *psmouse, int reg_pitch)
2284{
2285 int reg, x_pitch, y_pitch, x_electrode, y_electrode, x_phys, y_phys;
2286 struct alps_data *priv = psmouse->private;
2287
2288 reg = alps_command_mode_read_reg(psmouse, reg_pitch);
2289 if (reg < 0)
2290 return reg;
2291
2292 x_pitch = (char)(reg << 4) >> 4;
2293 x_pitch = 50 + 2 * x_pitch;
2294
2295 y_pitch = (char)reg >> 4;
2296 y_pitch = 36 + 2 * y_pitch;
2297
2298 reg = alps_command_mode_read_reg(psmouse, reg_pitch + 1);
2299 if (reg < 0)
2300 return reg;
2301
2302 x_electrode = (char)(reg << 4) >> 4;
2303 x_electrode = 17 + x_electrode;
2304
2305 y_electrode = (char)reg >> 4;
2306 y_electrode = 13 + y_electrode;
2307
2308 x_phys = x_pitch * (x_electrode - 1);
2309 y_phys = y_pitch * (y_electrode - 1);
2310
2311 priv->x_res = priv->x_max * 10 / x_phys;
2312 priv->y_res = priv->y_max * 10 / y_phys;
2313
2314 psmouse_dbg(psmouse,
2315 "pitch %dx%d num-electrodes %dx%d physical size %dx%d mm res %dx%d\n",
2316 x_pitch, y_pitch, x_electrode, y_electrode,
2317 x_phys / 10, y_phys / 10, priv->x_res, priv->y_res);
2318
2319 return 0;
2320}
2321
2322static int alps_hw_init_rushmore_v3(struct psmouse *psmouse)
2323{
2324 struct alps_data *priv = psmouse->private;
2325 struct ps2dev *ps2dev = &psmouse->ps2dev;
2326 int reg_val, ret = -1;
2327
2328 if (priv->flags & ALPS_DUALPOINT) {
2329 reg_val = alps_setup_trackstick_v3(psmouse,
2330 ALPS_REG_BASE_RUSHMORE);
2331 if (reg_val == -EIO)
2332 goto error;
2333 }
2334
2335 if (alps_enter_command_mode(psmouse) ||
2336 alps_command_mode_read_reg(psmouse, 0xc2d9) == -1 ||
2337 alps_command_mode_write_reg(psmouse, 0xc2cb, 0x00))
2338 goto error;
2339
2340 if (alps_get_v3_v7_resolution(psmouse, 0xc2da))
2341 goto error;
2342
2343 reg_val = alps_command_mode_read_reg(psmouse, 0xc2c6);
2344 if (reg_val == -1)
2345 goto error;
2346 if (__alps_command_mode_write_reg(psmouse, reg_val & 0xfd))
2347 goto error;
2348
2349 if (alps_command_mode_write_reg(psmouse, 0xc2c9, 0x64))
2350 goto error;
2351
2352
2353 reg_val = alps_command_mode_read_reg(psmouse, 0xc2c4);
2354 if (reg_val == -1)
2355 goto error;
2356 if (__alps_command_mode_write_reg(psmouse, reg_val | 0x02))
2357 goto error;
2358
2359 alps_exit_command_mode(psmouse);
2360 return ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE);
2361
2362error:
2363 alps_exit_command_mode(psmouse);
2364 return ret;
2365}
2366
2367
2368static int alps_absolute_mode_v4(struct psmouse *psmouse)
2369{
2370 int reg_val;
2371
2372 reg_val = alps_command_mode_read_reg(psmouse, 0x0004);
2373 if (reg_val == -1)
2374 return -1;
2375
2376 reg_val |= 0x02;
2377 if (__alps_command_mode_write_reg(psmouse, reg_val))
2378 return -1;
2379
2380 return 0;
2381}
2382
2383static int alps_hw_init_v4(struct psmouse *psmouse)
2384{
2385 struct ps2dev *ps2dev = &psmouse->ps2dev;
2386 unsigned char param[4];
2387
2388 if (alps_enter_command_mode(psmouse))
2389 goto error;
2390
2391 if (alps_absolute_mode_v4(psmouse)) {
2392 psmouse_err(psmouse, "Failed to enter absolute mode\n");
2393 goto error;
2394 }
2395
2396 if (alps_command_mode_write_reg(psmouse, 0x0007, 0x8c))
2397 goto error;
2398
2399 if (alps_command_mode_write_reg(psmouse, 0x0149, 0x03))
2400 goto error;
2401
2402 if (alps_command_mode_write_reg(psmouse, 0x0160, 0x03))
2403 goto error;
2404
2405 if (alps_command_mode_write_reg(psmouse, 0x017f, 0x15))
2406 goto error;
2407
2408 if (alps_command_mode_write_reg(psmouse, 0x0151, 0x01))
2409 goto error;
2410
2411 if (alps_command_mode_write_reg(psmouse, 0x0168, 0x03))
2412 goto error;
2413
2414 if (alps_command_mode_write_reg(psmouse, 0x014a, 0x03))
2415 goto error;
2416
2417 if (alps_command_mode_write_reg(psmouse, 0x0161, 0x03))
2418 goto error;
2419
2420 alps_exit_command_mode(psmouse);
2421
2422
2423
2424
2425
2426
2427 param[0] = 0xc8;
2428 param[1] = 0x64;
2429 param[2] = 0x50;
2430 if (ps2_command(ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE) ||
2431 ps2_command(ps2dev, ¶m[1], PSMOUSE_CMD_SETRATE) ||
2432 ps2_command(ps2dev, ¶m[2], PSMOUSE_CMD_SETRATE) ||
2433 ps2_command(ps2dev, param, PSMOUSE_CMD_GETID))
2434 return -1;
2435
2436
2437 param[0] = 0x64;
2438 if (ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE) ||
2439 ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE)) {
2440 psmouse_err(psmouse, "Failed to enable data reporting\n");
2441 return -1;
2442 }
2443
2444 return 0;
2445
2446error:
2447
2448
2449
2450
2451
2452 alps_exit_command_mode(psmouse);
2453 return -1;
2454}
2455
2456static int alps_get_otp_values_ss4_v2(struct psmouse *psmouse,
2457 unsigned char index, unsigned char otp[])
2458{
2459 struct ps2dev *ps2dev = &psmouse->ps2dev;
2460
2461 switch (index) {
2462 case 0:
2463 if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSTREAM) ||
2464 ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSTREAM) ||
2465 ps2_command(ps2dev, otp, PSMOUSE_CMD_GETINFO))
2466 return -1;
2467
2468 break;
2469
2470 case 1:
2471 if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETPOLL) ||
2472 ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETPOLL) ||
2473 ps2_command(ps2dev, otp, PSMOUSE_CMD_GETINFO))
2474 return -1;
2475
2476 break;
2477 }
2478
2479 return 0;
2480}
2481
2482static int alps_update_device_area_ss4_v2(unsigned char otp[][4],
2483 struct alps_data *priv)
2484{
2485 int num_x_electrode;
2486 int num_y_electrode;
2487 int x_pitch, y_pitch, x_phys, y_phys;
2488
2489 if (IS_SS4PLUS_DEV(priv->dev_id)) {
2490 num_x_electrode =
2491 SS4PLUS_NUMSENSOR_XOFFSET + (otp[0][2] & 0x0F);
2492 num_y_electrode =
2493 SS4PLUS_NUMSENSOR_YOFFSET + ((otp[0][2] >> 4) & 0x0F);
2494
2495 priv->x_max =
2496 (num_x_electrode - 1) * SS4PLUS_COUNT_PER_ELECTRODE;
2497 priv->y_max =
2498 (num_y_electrode - 1) * SS4PLUS_COUNT_PER_ELECTRODE;
2499
2500 x_pitch = (otp[0][1] & 0x0F) + SS4PLUS_MIN_PITCH_MM;
2501 y_pitch = ((otp[0][1] >> 4) & 0x0F) + SS4PLUS_MIN_PITCH_MM;
2502
2503 } else {
2504 num_x_electrode =
2505 SS4_NUMSENSOR_XOFFSET + (otp[1][0] & 0x0F);
2506 num_y_electrode =
2507 SS4_NUMSENSOR_YOFFSET + ((otp[1][0] >> 4) & 0x0F);
2508
2509 priv->x_max =
2510 (num_x_electrode - 1) * SS4_COUNT_PER_ELECTRODE;
2511 priv->y_max =
2512 (num_y_electrode - 1) * SS4_COUNT_PER_ELECTRODE;
2513
2514 x_pitch = ((otp[1][2] >> 2) & 0x07) + SS4_MIN_PITCH_MM;
2515 y_pitch = ((otp[1][2] >> 5) & 0x07) + SS4_MIN_PITCH_MM;
2516 }
2517
2518 x_phys = x_pitch * (num_x_electrode - 1);
2519 y_phys = y_pitch * (num_y_electrode - 1);
2520
2521 priv->x_res = priv->x_max * 10 / x_phys;
2522 priv->y_res = priv->y_max * 10 / y_phys;
2523
2524 return 0;
2525}
2526
2527static int alps_update_btn_info_ss4_v2(unsigned char otp[][4],
2528 struct alps_data *priv)
2529{
2530 unsigned char is_btnless;
2531
2532 if (IS_SS4PLUS_DEV(priv->dev_id))
2533 is_btnless = (otp[1][0] >> 1) & 0x01;
2534 else
2535 is_btnless = (otp[1][1] >> 3) & 0x01;
2536
2537 if (is_btnless)
2538 priv->flags |= ALPS_BUTTONPAD;
2539
2540 return 0;
2541}
2542
2543static int alps_update_dual_info_ss4_v2(unsigned char otp[][4],
2544 struct alps_data *priv)
2545{
2546 bool is_dual = false;
2547
2548 if (IS_SS4PLUS_DEV(priv->dev_id))
2549 is_dual = (otp[0][0] >> 4) & 0x01;
2550
2551 if (is_dual)
2552 priv->flags |= ALPS_DUALPOINT |
2553 ALPS_DUALPOINT_WITH_PRESSURE;
2554
2555 return 0;
2556}
2557
2558static int alps_set_defaults_ss4_v2(struct psmouse *psmouse,
2559 struct alps_data *priv)
2560{
2561 unsigned char otp[2][4];
2562
2563 memset(otp, 0, sizeof(otp));
2564
2565 if (alps_get_otp_values_ss4_v2(psmouse, 1, &otp[1][0]) ||
2566 alps_get_otp_values_ss4_v2(psmouse, 0, &otp[0][0]))
2567 return -1;
2568
2569 alps_update_device_area_ss4_v2(otp, priv);
2570
2571 alps_update_btn_info_ss4_v2(otp, priv);
2572
2573 alps_update_dual_info_ss4_v2(otp, priv);
2574
2575 return 0;
2576}
2577
2578static int alps_dolphin_get_device_area(struct psmouse *psmouse,
2579 struct alps_data *priv)
2580{
2581 struct ps2dev *ps2dev = &psmouse->ps2dev;
2582 unsigned char param[4] = {0};
2583 int num_x_electrode, num_y_electrode;
2584
2585 if (alps_enter_command_mode(psmouse))
2586 return -1;
2587
2588 param[0] = 0x0a;
2589 if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_RESET_WRAP) ||
2590 ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETPOLL) ||
2591 ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETPOLL) ||
2592 ps2_command(ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE) ||
2593 ps2_command(ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE))
2594 return -1;
2595
2596 if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO))
2597 return -1;
2598
2599
2600
2601
2602
2603
2604
2605
2606
2607
2608
2609
2610
2611 num_x_electrode = DOLPHIN_PROFILE_XOFFSET + (param[2] & 0x0F);
2612 num_y_electrode = DOLPHIN_PROFILE_YOFFSET + ((param[2] >> 4) & 0x0F);
2613 priv->x_bits = num_x_electrode;
2614 priv->y_bits = num_y_electrode;
2615 priv->x_max = (num_x_electrode - 1) * DOLPHIN_COUNT_PER_ELECTRODE;
2616 priv->y_max = (num_y_electrode - 1) * DOLPHIN_COUNT_PER_ELECTRODE;
2617
2618 if (alps_exit_command_mode(psmouse))
2619 return -1;
2620
2621 return 0;
2622}
2623
2624static int alps_hw_init_dolphin_v1(struct psmouse *psmouse)
2625{
2626 struct ps2dev *ps2dev = &psmouse->ps2dev;
2627 unsigned char param[2];
2628
2629
2630 param[0] = 0x64;
2631 param[1] = 0x28;
2632
2633 if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSTREAM) ||
2634 ps2_command(ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE) ||
2635 ps2_command(ps2dev, ¶m[1], PSMOUSE_CMD_SETRATE))
2636 return -1;
2637
2638 return 0;
2639}
2640
2641static int alps_hw_init_v7(struct psmouse *psmouse)
2642{
2643 struct ps2dev *ps2dev = &psmouse->ps2dev;
2644 int reg_val, ret = -1;
2645
2646 if (alps_enter_command_mode(psmouse) ||
2647 alps_command_mode_read_reg(psmouse, 0xc2d9) == -1)
2648 goto error;
2649
2650 if (alps_get_v3_v7_resolution(psmouse, 0xc397))
2651 goto error;
2652
2653 if (alps_command_mode_write_reg(psmouse, 0xc2c9, 0x64))
2654 goto error;
2655
2656 reg_val = alps_command_mode_read_reg(psmouse, 0xc2c4);
2657 if (reg_val == -1)
2658 goto error;
2659 if (__alps_command_mode_write_reg(psmouse, reg_val | 0x02))
2660 goto error;
2661
2662 alps_exit_command_mode(psmouse);
2663 return ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE);
2664
2665error:
2666 alps_exit_command_mode(psmouse);
2667 return ret;
2668}
2669
2670static int alps_hw_init_ss4_v2(struct psmouse *psmouse)
2671{
2672 struct ps2dev *ps2dev = &psmouse->ps2dev;
2673 char param[2] = {0x64, 0x28};
2674 int ret = -1;
2675
2676
2677 if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSTREAM) ||
2678 ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSTREAM) ||
2679 ps2_command(ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE) ||
2680 ps2_command(ps2dev, ¶m[1], PSMOUSE_CMD_SETRATE)) {
2681 goto error;
2682 }
2683
2684
2685 if (alps_exit_command_mode(psmouse) ||
2686 alps_enter_command_mode(psmouse) ||
2687 alps_command_mode_write_reg(psmouse, 0x001D, 0x20)) {
2688 goto error;
2689 }
2690 alps_exit_command_mode(psmouse);
2691
2692 return ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE);
2693
2694error:
2695 alps_exit_command_mode(psmouse);
2696 return ret;
2697}
2698
2699static int alps_set_protocol(struct psmouse *psmouse,
2700 struct alps_data *priv,
2701 const struct alps_protocol_info *protocol)
2702{
2703 psmouse->private = priv;
2704
2705 setup_timer(&priv->timer, alps_flush_packet, (unsigned long)psmouse);
2706
2707 priv->proto_version = protocol->version;
2708 priv->byte0 = protocol->byte0;
2709 priv->mask0 = protocol->mask0;
2710 priv->flags = protocol->flags;
2711
2712 priv->x_max = 2000;
2713 priv->y_max = 1400;
2714 priv->x_bits = 15;
2715 priv->y_bits = 11;
2716
2717 switch (priv->proto_version) {
2718 case ALPS_PROTO_V1:
2719 case ALPS_PROTO_V2:
2720 priv->hw_init = alps_hw_init_v1_v2;
2721 priv->process_packet = alps_process_packet_v1_v2;
2722 priv->set_abs_params = alps_set_abs_params_st;
2723 priv->x_max = 1023;
2724 priv->y_max = 767;
2725 if (dmi_check_system(alps_dmi_has_separate_stick_buttons))
2726 priv->flags |= ALPS_STICK_BITS;
2727 break;
2728
2729 case ALPS_PROTO_V3:
2730 priv->hw_init = alps_hw_init_v3;
2731 priv->process_packet = alps_process_packet_v3;
2732 priv->set_abs_params = alps_set_abs_params_semi_mt;
2733 priv->decode_fields = alps_decode_pinnacle;
2734 priv->nibble_commands = alps_v3_nibble_commands;
2735 priv->addr_command = PSMOUSE_CMD_RESET_WRAP;
2736
2737 if (alps_probe_trackstick_v3_v7(psmouse,
2738 ALPS_REG_BASE_PINNACLE) < 0)
2739 priv->flags &= ~ALPS_DUALPOINT;
2740
2741 break;
2742
2743 case ALPS_PROTO_V3_RUSHMORE:
2744 priv->hw_init = alps_hw_init_rushmore_v3;
2745 priv->process_packet = alps_process_packet_v3;
2746 priv->set_abs_params = alps_set_abs_params_semi_mt;
2747 priv->decode_fields = alps_decode_rushmore;
2748 priv->nibble_commands = alps_v3_nibble_commands;
2749 priv->addr_command = PSMOUSE_CMD_RESET_WRAP;
2750 priv->x_bits = 16;
2751 priv->y_bits = 12;
2752
2753 if (alps_probe_trackstick_v3_v7(psmouse,
2754 ALPS_REG_BASE_RUSHMORE) < 0)
2755 priv->flags &= ~ALPS_DUALPOINT;
2756
2757 break;
2758
2759 case ALPS_PROTO_V4:
2760 priv->hw_init = alps_hw_init_v4;
2761 priv->process_packet = alps_process_packet_v4;
2762 priv->set_abs_params = alps_set_abs_params_semi_mt;
2763 priv->nibble_commands = alps_v4_nibble_commands;
2764 priv->addr_command = PSMOUSE_CMD_DISABLE;
2765 break;
2766
2767 case ALPS_PROTO_V5:
2768 priv->hw_init = alps_hw_init_dolphin_v1;
2769 priv->process_packet = alps_process_touchpad_packet_v3_v5;
2770 priv->decode_fields = alps_decode_dolphin;
2771 priv->set_abs_params = alps_set_abs_params_semi_mt;
2772 priv->nibble_commands = alps_v3_nibble_commands;
2773 priv->addr_command = PSMOUSE_CMD_RESET_WRAP;
2774 priv->x_bits = 23;
2775 priv->y_bits = 12;
2776
2777 if (alps_dolphin_get_device_area(psmouse, priv))
2778 return -EIO;
2779
2780 break;
2781
2782 case ALPS_PROTO_V6:
2783 priv->hw_init = alps_hw_init_v6;
2784 priv->process_packet = alps_process_packet_v6;
2785 priv->set_abs_params = alps_set_abs_params_st;
2786 priv->nibble_commands = alps_v6_nibble_commands;
2787 priv->x_max = 2047;
2788 priv->y_max = 1535;
2789 break;
2790
2791 case ALPS_PROTO_V7:
2792 priv->hw_init = alps_hw_init_v7;
2793 priv->process_packet = alps_process_packet_v7;
2794 priv->decode_fields = alps_decode_packet_v7;
2795 priv->set_abs_params = alps_set_abs_params_v7;
2796 priv->nibble_commands = alps_v3_nibble_commands;
2797 priv->addr_command = PSMOUSE_CMD_RESET_WRAP;
2798 priv->x_max = 0xfff;
2799 priv->y_max = 0x7ff;
2800
2801 if (priv->fw_ver[1] != 0xba)
2802 priv->flags |= ALPS_BUTTONPAD;
2803
2804 if (alps_probe_trackstick_v3_v7(psmouse, ALPS_REG_BASE_V7) < 0)
2805 priv->flags &= ~ALPS_DUALPOINT;
2806
2807 break;
2808
2809 case ALPS_PROTO_V8:
2810 priv->hw_init = alps_hw_init_ss4_v2;
2811 priv->process_packet = alps_process_packet_ss4_v2;
2812 priv->decode_fields = alps_decode_ss4_v2;
2813 priv->set_abs_params = alps_set_abs_params_ss4_v2;
2814 priv->nibble_commands = alps_v3_nibble_commands;
2815 priv->addr_command = PSMOUSE_CMD_RESET_WRAP;
2816
2817 if (alps_set_defaults_ss4_v2(psmouse, priv))
2818 return -EIO;
2819
2820 break;
2821 }
2822
2823 return 0;
2824}
2825
2826static const struct alps_protocol_info *alps_match_table(unsigned char *e7,
2827 unsigned char *ec)
2828{
2829 const struct alps_model_info *model;
2830 int i;
2831
2832 for (i = 0; i < ARRAY_SIZE(alps_model_data); i++) {
2833 model = &alps_model_data[i];
2834
2835 if (!memcmp(e7, model->signature, sizeof(model->signature)))
2836 return &model->protocol_info;
2837 }
2838
2839 return NULL;
2840}
2841
2842static int alps_identify(struct psmouse *psmouse, struct alps_data *priv)
2843{
2844 const struct alps_protocol_info *protocol;
2845 unsigned char e6[4], e7[4], ec[4];
2846 int error;
2847
2848
2849
2850
2851
2852
2853
2854 if (alps_rpt_cmd(psmouse, PSMOUSE_CMD_SETRES,
2855 PSMOUSE_CMD_SETSCALE11, e6))
2856 return -EIO;
2857
2858 if ((e6[0] & 0xf8) != 0 || e6[1] != 0 || (e6[2] != 10 && e6[2] != 100))
2859 return -EINVAL;
2860
2861
2862
2863
2864
2865 if (alps_rpt_cmd(psmouse, PSMOUSE_CMD_SETRES,
2866 PSMOUSE_CMD_SETSCALE21, e7) ||
2867 alps_rpt_cmd(psmouse, PSMOUSE_CMD_SETRES,
2868 PSMOUSE_CMD_RESET_WRAP, ec) ||
2869 alps_exit_command_mode(psmouse))
2870 return -EIO;
2871
2872 protocol = alps_match_table(e7, ec);
2873 if (!protocol) {
2874 if (e7[0] == 0x73 && e7[1] == 0x02 && e7[2] == 0x64 &&
2875 ec[2] == 0x8a) {
2876 protocol = &alps_v4_protocol_data;
2877 } else if (e7[0] == 0x73 && e7[1] == 0x03 && e7[2] == 0x50 &&
2878 ec[0] == 0x73 && (ec[1] == 0x01 || ec[1] == 0x02)) {
2879 protocol = &alps_v5_protocol_data;
2880 } else if (ec[0] == 0x88 &&
2881 ((ec[1] & 0xf0) == 0xb0 || (ec[1] & 0xf0) == 0xc0)) {
2882 protocol = &alps_v7_protocol_data;
2883 } else if (ec[0] == 0x88 && ec[1] == 0x08) {
2884 protocol = &alps_v3_rushmore_data;
2885 } else if (ec[0] == 0x88 && ec[1] == 0x07 &&
2886 ec[2] >= 0x90 && ec[2] <= 0x9d) {
2887 protocol = &alps_v3_protocol_data;
2888 } else if (e7[0] == 0x73 && e7[1] == 0x03 &&
2889 (e7[2] == 0x14 || e7[2] == 0x28)) {
2890 protocol = &alps_v8_protocol_data;
2891 } else if (e7[0] == 0x73 && e7[1] == 0x03 && e7[2] == 0xc8) {
2892 protocol = &alps_v9_protocol_data;
2893 psmouse_warn(psmouse,
2894 "Unsupported ALPS V9 touchpad: E7=%3ph, EC=%3ph\n",
2895 e7, ec);
2896 return -EINVAL;
2897 } else {
2898 psmouse_dbg(psmouse,
2899 "Likely not an ALPS touchpad: E7=%3ph, EC=%3ph\n", e7, ec);
2900 return -EINVAL;
2901 }
2902 }
2903
2904 if (priv) {
2905
2906 memcpy(priv->dev_id, e7, 3);
2907 memcpy(priv->fw_ver, ec, 3);
2908 error = alps_set_protocol(psmouse, priv, protocol);
2909 if (error)
2910 return error;
2911 }
2912
2913 return 0;
2914}
2915
2916static int alps_reconnect(struct psmouse *psmouse)
2917{
2918 struct alps_data *priv = psmouse->private;
2919
2920 psmouse_reset(psmouse);
2921
2922 if (alps_identify(psmouse, priv) < 0)
2923 return -1;
2924
2925 return priv->hw_init(psmouse);
2926}
2927
2928static void alps_disconnect(struct psmouse *psmouse)
2929{
2930 struct alps_data *priv = psmouse->private;
2931
2932 psmouse_reset(psmouse);
2933 del_timer_sync(&priv->timer);
2934 if (priv->dev2)
2935 input_unregister_device(priv->dev2);
2936 if (!IS_ERR_OR_NULL(priv->dev3))
2937 input_unregister_device(priv->dev3);
2938 kfree(priv);
2939}
2940
2941static void alps_set_abs_params_st(struct alps_data *priv,
2942 struct input_dev *dev1)
2943{
2944 input_set_abs_params(dev1, ABS_X, 0, priv->x_max, 0, 0);
2945 input_set_abs_params(dev1, ABS_Y, 0, priv->y_max, 0, 0);
2946 input_set_abs_params(dev1, ABS_PRESSURE, 0, 127, 0, 0);
2947}
2948
2949static void alps_set_abs_params_mt_common(struct alps_data *priv,
2950 struct input_dev *dev1)
2951{
2952 input_set_abs_params(dev1, ABS_MT_POSITION_X, 0, priv->x_max, 0, 0);
2953 input_set_abs_params(dev1, ABS_MT_POSITION_Y, 0, priv->y_max, 0, 0);
2954
2955 input_abs_set_res(dev1, ABS_MT_POSITION_X, priv->x_res);
2956 input_abs_set_res(dev1, ABS_MT_POSITION_Y, priv->y_res);
2957
2958 set_bit(BTN_TOOL_TRIPLETAP, dev1->keybit);
2959 set_bit(BTN_TOOL_QUADTAP, dev1->keybit);
2960}
2961
2962static void alps_set_abs_params_semi_mt(struct alps_data *priv,
2963 struct input_dev *dev1)
2964{
2965 alps_set_abs_params_mt_common(priv, dev1);
2966 input_set_abs_params(dev1, ABS_PRESSURE, 0, 127, 0, 0);
2967
2968 input_mt_init_slots(dev1, MAX_TOUCHES,
2969 INPUT_MT_POINTER | INPUT_MT_DROP_UNUSED |
2970 INPUT_MT_SEMI_MT);
2971}
2972
2973static void alps_set_abs_params_v7(struct alps_data *priv,
2974 struct input_dev *dev1)
2975{
2976 alps_set_abs_params_mt_common(priv, dev1);
2977 set_bit(BTN_TOOL_QUINTTAP, dev1->keybit);
2978
2979 input_mt_init_slots(dev1, MAX_TOUCHES,
2980 INPUT_MT_POINTER | INPUT_MT_DROP_UNUSED |
2981 INPUT_MT_TRACK);
2982
2983 set_bit(BTN_TOOL_QUINTTAP, dev1->keybit);
2984}
2985
2986static void alps_set_abs_params_ss4_v2(struct alps_data *priv,
2987 struct input_dev *dev1)
2988{
2989 alps_set_abs_params_mt_common(priv, dev1);
2990 input_set_abs_params(dev1, ABS_PRESSURE, 0, 127, 0, 0);
2991 set_bit(BTN_TOOL_QUINTTAP, dev1->keybit);
2992
2993 input_mt_init_slots(dev1, MAX_TOUCHES,
2994 INPUT_MT_POINTER | INPUT_MT_DROP_UNUSED |
2995 INPUT_MT_TRACK);
2996}
2997
2998int alps_init(struct psmouse *psmouse)
2999{
3000 struct alps_data *priv = psmouse->private;
3001 struct input_dev *dev1 = psmouse->dev;
3002 int error;
3003
3004 error = priv->hw_init(psmouse);
3005 if (error)
3006 goto init_fail;
3007
3008
3009
3010
3011
3012 __clear_bit(EV_REL, dev1->evbit);
3013 __clear_bit(REL_X, dev1->relbit);
3014 __clear_bit(REL_Y, dev1->relbit);
3015
3016
3017
3018
3019 dev1->evbit[BIT_WORD(EV_KEY)] |= BIT_MASK(EV_KEY);
3020 dev1->keybit[BIT_WORD(BTN_TOUCH)] |= BIT_MASK(BTN_TOUCH);
3021 dev1->keybit[BIT_WORD(BTN_TOOL_FINGER)] |= BIT_MASK(BTN_TOOL_FINGER);
3022 dev1->keybit[BIT_WORD(BTN_LEFT)] |=
3023 BIT_MASK(BTN_LEFT) | BIT_MASK(BTN_RIGHT);
3024
3025 dev1->evbit[BIT_WORD(EV_ABS)] |= BIT_MASK(EV_ABS);
3026
3027 priv->set_abs_params(priv, dev1);
3028
3029 if (priv->flags & ALPS_WHEEL) {
3030 dev1->evbit[BIT_WORD(EV_REL)] |= BIT_MASK(EV_REL);
3031 dev1->relbit[BIT_WORD(REL_WHEEL)] |= BIT_MASK(REL_WHEEL);
3032 }
3033
3034 if (priv->flags & (ALPS_FW_BK_1 | ALPS_FW_BK_2)) {
3035 dev1->keybit[BIT_WORD(BTN_FORWARD)] |= BIT_MASK(BTN_FORWARD);
3036 dev1->keybit[BIT_WORD(BTN_BACK)] |= BIT_MASK(BTN_BACK);
3037 }
3038
3039 if (priv->flags & ALPS_FOUR_BUTTONS) {
3040 dev1->keybit[BIT_WORD(BTN_0)] |= BIT_MASK(BTN_0);
3041 dev1->keybit[BIT_WORD(BTN_1)] |= BIT_MASK(BTN_1);
3042 dev1->keybit[BIT_WORD(BTN_2)] |= BIT_MASK(BTN_2);
3043 dev1->keybit[BIT_WORD(BTN_3)] |= BIT_MASK(BTN_3);
3044 } else if (priv->flags & ALPS_BUTTONPAD) {
3045 set_bit(INPUT_PROP_BUTTONPAD, dev1->propbit);
3046 clear_bit(BTN_RIGHT, dev1->keybit);
3047 } else {
3048 dev1->keybit[BIT_WORD(BTN_MIDDLE)] |= BIT_MASK(BTN_MIDDLE);
3049 }
3050
3051 if (priv->flags & ALPS_DUALPOINT) {
3052 struct input_dev *dev2;
3053
3054 dev2 = input_allocate_device();
3055 if (!dev2) {
3056 psmouse_err(psmouse,
3057 "failed to allocate trackstick device\n");
3058 error = -ENOMEM;
3059 goto init_fail;
3060 }
3061
3062 snprintf(priv->phys2, sizeof(priv->phys2), "%s/input1",
3063 psmouse->ps2dev.serio->phys);
3064 dev2->phys = priv->phys2;
3065
3066
3067
3068
3069
3070 dev2->name = "AlpsPS/2 ALPS DualPoint Stick";
3071
3072 dev2->id.bustype = BUS_I8042;
3073 dev2->id.vendor = 0x0002;
3074 dev2->id.product = PSMOUSE_ALPS;
3075 dev2->id.version = priv->proto_version;
3076 dev2->dev.parent = &psmouse->ps2dev.serio->dev;
3077
3078 input_set_capability(dev2, EV_REL, REL_X);
3079 input_set_capability(dev2, EV_REL, REL_Y);
3080 if (priv->flags & ALPS_DUALPOINT_WITH_PRESSURE) {
3081 input_set_capability(dev2, EV_ABS, ABS_PRESSURE);
3082 input_set_abs_params(dev2, ABS_PRESSURE, 0, 127, 0, 0);
3083 }
3084 input_set_capability(dev2, EV_KEY, BTN_LEFT);
3085 input_set_capability(dev2, EV_KEY, BTN_RIGHT);
3086 input_set_capability(dev2, EV_KEY, BTN_MIDDLE);
3087
3088 __set_bit(INPUT_PROP_POINTER, dev2->propbit);
3089 __set_bit(INPUT_PROP_POINTING_STICK, dev2->propbit);
3090
3091 error = input_register_device(dev2);
3092 if (error) {
3093 psmouse_err(psmouse,
3094 "failed to register trackstick device: %d\n",
3095 error);
3096 input_free_device(dev2);
3097 goto init_fail;
3098 }
3099
3100 priv->dev2 = dev2;
3101 }
3102
3103 priv->psmouse = psmouse;
3104
3105 INIT_DELAYED_WORK(&priv->dev3_register_work,
3106 alps_register_bare_ps2_mouse);
3107
3108 psmouse->protocol_handler = alps_process_byte;
3109 psmouse->poll = alps_poll;
3110 psmouse->disconnect = alps_disconnect;
3111 psmouse->reconnect = alps_reconnect;
3112 psmouse->pktsize = priv->proto_version == ALPS_PROTO_V4 ? 8 : 6;
3113
3114
3115 psmouse->resync_time = 0;
3116
3117
3118 psmouse->resetafter = psmouse->pktsize * 2;
3119
3120 return 0;
3121
3122init_fail:
3123 psmouse_reset(psmouse);
3124
3125
3126
3127
3128 kfree(psmouse->private);
3129 psmouse->private = NULL;
3130 return error;
3131}
3132
3133int alps_detect(struct psmouse *psmouse, bool set_properties)
3134{
3135 struct alps_data *priv;
3136 int error;
3137
3138 error = alps_identify(psmouse, NULL);
3139 if (error)
3140 return error;
3141
3142
3143
3144
3145
3146
3147
3148 psmouse_reset(psmouse);
3149
3150 priv = kzalloc(sizeof(struct alps_data), GFP_KERNEL);
3151 if (!priv)
3152 return -ENOMEM;
3153
3154 error = alps_identify(psmouse, priv);
3155 if (error) {
3156 kfree(priv);
3157 return error;
3158 }
3159
3160 if (set_properties) {
3161 psmouse->vendor = "ALPS";
3162 psmouse->name = priv->flags & ALPS_DUALPOINT ?
3163 "DualPoint TouchPad" : "GlidePoint";
3164 psmouse->model = priv->proto_version;
3165 } else {
3166
3167
3168
3169
3170
3171
3172 kfree(priv);
3173 psmouse->private = NULL;
3174 }
3175
3176 return 0;
3177}
3178
3179