-
Notifications
You must be signed in to change notification settings - Fork 5
/
synaptics_3200.c
3357 lines (2968 loc) · 101 KB
/
synaptics_3200.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/* drivers/input/touchscreen/synaptics_3200.c - Synaptics 3200 serious touch panel driver
*
* Copyright (C) 2011 HTC Corporation.
*
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include <linux/module.h>
#include <linux/delay.h>
#include <linux/earlysuspend.h>
#include <linux/hrtimer.h>
#include <linux/i2c.h>
#include <linux/input.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/platform_device.h>
#include <linux/synaptics_i2c_rmi.h>
#include <linux/slab.h>
#include <linux/rmi.h>
#include <mach/board.h>
#include <mach/msm_hsusb.h>
#include <asm/gpio.h>
#include <linux/input/mt.h>
#include <linux/pl_sensor.h>
#ifdef CONFIG_TOUCHSCREEN_SYNAPTICS_SWEEP2WAKE
#include <linux/ctype.h>
#endif
#define SYN_I2C_RETRY_TIMES 10
#define SHIFT_BITS 10
#define SYN_WIRELESS_DEBUG
#define SYN_CALIBRATION_CONTROL
struct synaptics_ts_data {
uint16_t addr;
struct i2c_client *client;
struct input_dev *input_dev;
struct input_dev *sr_input_dev;
struct workqueue_struct *syn_wq;
struct function_t *address_table;
int use_irq;
int gpio_irq;
int gpio_reset;
struct hrtimer timer;
struct work_struct work;
uint16_t max[2];
uint32_t flags;
uint8_t num_function;
uint8_t finger_support;
uint16_t finger_pressed;
int (*power)(int on);
struct early_suspend early_suspend;
int pre_finger_data[11][4];
uint32_t debug_log_level;
uint32_t raw_base;
uint32_t raw_ref;
uint64_t timestamp;
uint16_t *filter_level;
uint8_t *reduce_report_level;
unsigned long tap_timeout[10];
int16_t *report_data;
uint8_t *temp_report_data;
uint8_t grip_suppression;
uint8_t grip_b_suppression;
uint16_t tap_suppression;
uint8_t ambiguous_state;
uint8_t diag_command;
uint8_t cable_support;
uint8_t cable_config;
uint8_t key_number;
uint16_t key_postion_x[4];
uint16_t key_postion_y;
uint8_t intr_bit;
uint8_t finger_count;
uint8_t page_select;
uint8_t config_table[SYN_CONFIG_SIZE];
uint8_t x_channel;
uint8_t y_channel;
uint8_t *config;
uint32_t config_version;
uint16_t package_id;
uint32_t packrat_number;
int layout[4];
uint8_t htc_event;
atomic_t data_ready;
uint8_t relaxation;
uint8_t irq_enabled;
uint8_t large_obj_check;
uint8_t default_large_obj;
uint16_t tw_vendor;
uint16_t tw_pin_mask;
uint8_t support_htc_event;
uint8_t mfg_flag;
uint8_t first_pressed;
uint8_t segmentation_bef_unlock;
uint8_t segmentation_aft_unlock;
uint8_t psensor_status;
uint8_t i2c_err_handler_en;
uint8_t threshold_bef_unlock;
uint8_t threshold_aft_unlock;
uint16_t saturation_bef_unlock;
uint16_t saturation_aft_unlock;
uint8_t energy_ratio_relaxation;
uint8_t multitouch_calibration;
uint32_t width_factor;
uint32_t height_factor;
uint8_t psensor_detection;
uint8_t psensor_resume_enable;
uint8_t psensor_phone_enable;
uint8_t PixelTouchThreshold_bef_unlock;
uint8_t PixelTouchThreshold_aft_unlock;
struct work_struct psensor_work;
struct workqueue_struct *syn_psensor_wq;
struct synaptics_virtual_key *button;
};
#ifdef CONFIG_HAS_EARLYSUSPEND
static void synaptics_ts_early_suspend(struct early_suspend *h);
static void synaptics_ts_late_resume(struct early_suspend *h);
#endif
static DECLARE_WAIT_QUEUE_HEAD(syn_data_ready_wq);
static DEFINE_MUTEX(syn_mutex);
static struct synaptics_ts_data *gl_ts;
static uint16_t syn_panel_version;
static uint8_t vk_press;
static int i2c_syn_write_byte_data(struct i2c_client *client, uint16_t addr, uint8_t value);
static int syn_pdt_scan(struct synaptics_ts_data *ts, int num_page);
static int synaptics_init_panel(struct synaptics_ts_data *ts);
static irqreturn_t synaptics_irq_thread(int irq, void *ptr);
bool scr_suspended = false;
extern uint8_t touchscreen_is_on(void)
{
if (scr_suspended == false)
{
return 1;
}
return 0;
}
#ifdef CONFIG_TOUCHSCREEN_SYNAPTICS_SWEEP2WAKE
int s2w_switch = 1;
bool exec_count = true;
bool scr_on_touch = false, led_exec_count = false, barrier[2] = {false, false};
static struct input_dev * sweep2wake_pwrdev;
static struct led_classdev * sweep2wake_leddev;
static DEFINE_MUTEX(pwrlock);
#ifdef CONFIG_CMDLINE_OPTIONS
static int __init synaptics_read_s2w_cmdline(char *s2w)
{
if (strcmp(s2w, "2") == 0) {
printk(KERN_INFO "[cmdline_s2w]: Sweep2Wake enabled. ( With button backlight) | s2w='%s'", s2w);
s2w_switch = 2;
} else if (strcmp(s2w, "1") == 0) {
printk(KERN_INFO "[cmdline_s2w]: Sweep2Wake enabled. | s2w='%s'", s2w);
s2w_switch = 1;
} else if (strcmp(s2w, "0") == 0) {
printk(KERN_INFO "[cmdline_s2w]: Sweep2Wake disabled. | s2w='%s'", s2w);
s2w_switch = 0;
} else {
printk(KERN_INFO "[cmdline_s2w]: No valid input found. Sweep2Wake disabled. | s2w='%s'", s2w);
s2w_switch = 0;
}
return 1;
}
__setup("s2w=", synaptics_read_s2w_cmdline);
#endif
extern void sweep2wake_setdev(struct input_dev * input_device) {
sweep2wake_pwrdev = input_device;
return;
}
EXPORT_SYMBOL(sweep2wake_setdev);
extern void sweep2wake_setleddev(struct led_classdev * led_dev) {
sweep2wake_leddev = led_dev;
return;
}
EXPORT_SYMBOL(sweep2wake_setleddev);
static void sweep2wake_presspwr(struct work_struct * sweep2wake_presspwr_work) {
input_event(sweep2wake_pwrdev, EV_KEY, KEY_POWER, 1);
input_event(sweep2wake_pwrdev, EV_SYN, 0, 0);
msleep(100);
input_event(sweep2wake_pwrdev, EV_KEY, KEY_POWER, 0);
input_event(sweep2wake_pwrdev, EV_SYN, 0, 0);
msleep(100);
mutex_unlock(&pwrlock);
return;
}
static DECLARE_WORK(sweep2wake_presspwr_work, sweep2wake_presspwr);
void sweep2wake_pwrtrigger(void) {
if (mutex_trylock(&pwrlock)) {
schedule_work(&sweep2wake_presspwr_work);
}
return;
}
#endif
extern unsigned int get_tamper_sf(void);
static void syn_page_select(struct i2c_client *client, uint8_t page)
{
struct synaptics_ts_data *ts = i2c_get_clientdata(client);
if (page ^ ts->page_select) {
i2c_smbus_write_byte_data(client, 0xFF, page);
ts->page_select = page;
}
}
static int i2c_syn_read(struct i2c_client *client, uint16_t addr, uint8_t *data, uint16_t length)
{
uint8_t retry, buf;
struct i2c_msg msg[] = {
{
.addr = client->addr,
.flags = 0,
.len = 1,
.buf = &buf,
},
{
.addr = client->addr,
.flags = I2C_M_RD,
.len = length,
.buf = data,
}
};
buf = addr & 0xFF;
mutex_lock(&syn_mutex);
syn_page_select(client, addr >> 8);
for (retry = 0; retry < SYN_I2C_RETRY_TIMES; retry++) {
if (i2c_transfer(client->adapter, msg, 2) == 2)
break;
msleep(10);
}
mutex_unlock(&syn_mutex);
if (retry == SYN_I2C_RETRY_TIMES) {
pr_info("[TP] i2c_read retry over %d\n",
SYN_I2C_RETRY_TIMES);
return -EIO;
}
return 0;
}
static int i2c_syn_write(struct i2c_client *client, uint16_t addr, uint8_t *data, uint16_t length)
{
uint8_t retry;
uint8_t buf[length + 1];
struct i2c_msg msg[] = {
{
.addr = client->addr,
.flags = 0,
.len = length + 1,
.buf = buf,
}
};
mutex_lock(&syn_mutex);
syn_page_select(client, addr >> 8);
buf[0] = addr & 0xFF;
memcpy(&buf[1], &data[0], length);
for (retry = 0; retry < SYN_I2C_RETRY_TIMES; retry++) {
if (i2c_transfer(client->adapter, msg, 1) == 1)
break;
mdelay(10);
}
mutex_unlock(&syn_mutex);
if (retry == SYN_I2C_RETRY_TIMES) {
pr_info("[TP] i2c_write retry over %d\n",
SYN_I2C_RETRY_TIMES);
return -EIO;
}
return 0;
}
int i2c_rmi_read(uint16_t addr, uint8_t *data, uint16_t length)
{
uint8_t retry, buf;
struct synaptics_ts_data *ts = gl_ts;
struct i2c_msg msg[] = {
{
.addr = ts->client->addr,
.flags = 0,
.len = 1,
.buf = &buf,
},
{
.addr = ts->client->addr,
.flags = I2C_M_RD,
.len = length,
.buf = data,
}
};
buf = addr & 0xFF;
mutex_lock(&syn_mutex);
syn_page_select(ts->client, addr >> 8);
for (retry = 0; retry < SYN_I2C_RETRY_TIMES; retry++) {
if (i2c_transfer(ts->client->adapter, msg, 2) == 2)
break;
msleep(10);
}
mutex_unlock(&syn_mutex);
if (retry == SYN_I2C_RETRY_TIMES) {
pr_info("[TP] i2c_read retry over %d\n",
SYN_I2C_RETRY_TIMES);
return -EIO;
}
return 0;
}
EXPORT_SYMBOL(i2c_rmi_read);
int i2c_rmi_write(uint16_t addr, uint8_t *data, uint16_t length)
{
uint8_t retry;
uint8_t buf[length + 1];
struct synaptics_ts_data *ts = gl_ts;
struct i2c_msg msg[] = {
{
.addr = ts->client->addr,
.flags = 0,
.len = length + 1,
.buf = buf,
}
};
mutex_lock(&syn_mutex);
syn_page_select(ts->client, addr >> 8);
buf[0] = addr & 0xFF;
memcpy(&buf[1], &data[0], length);
for (retry = 0; retry < SYN_I2C_RETRY_TIMES; retry++) {
if (i2c_transfer(ts->client->adapter, msg, 1) == 1)
break;
mdelay(10);
}
mutex_unlock(&syn_mutex);
if (retry == SYN_I2C_RETRY_TIMES) {
pr_info("[TP] i2c_write retry over %d\n",
SYN_I2C_RETRY_TIMES);
return -EIO;
}
return 0;
}
EXPORT_SYMBOL(i2c_rmi_write);
static int i2c_syn_write_byte_data(struct i2c_client *client, uint16_t addr, uint8_t value)
{
return i2c_syn_write(client, addr, &value, 1);
}
static int i2c_syn_error_handler(struct synaptics_ts_data *ts, uint8_t reset, char *reason, const char *fun_name)
{
int ret;
if (reason && fun_name)
printk(KERN_ERR "[TP] TOUCH_ERR: I2C Error: %s:%s, reset = %d\n", fun_name, reason, reset);
else
pr_info("[TP] %s: rason and fun_name can't be null\n", __func__);
if (reset) {
if (ts->power) {
ret = ts->power(0);
if (ret < 0)
printk(KERN_ERR "[TP] TOUCH_ERR: synaptics i2c error handler power off failed\n");
msleep(10);
ret = ts->power(1);
if (ret < 0)
printk(KERN_ERR "[TP] TOUCH_ERR: synaptics i2c error handler power on failed\n");
ret = synaptics_init_panel(ts);
if (ret < 0)
printk(KERN_ERR "[TP] TOUCH_ERR: synaptics i2c error handler init panel failed\n");
} else if (ts->gpio_reset) {
gpio_direction_output(ts->gpio_reset, 0);
msleep(1);
gpio_direction_output(ts->gpio_reset, 1);
pr_info("[TP] %s: synaptics touch chip reseted.\n", __func__);
}
if (!ts->use_irq) {
hrtimer_cancel(&ts->timer);
hrtimer_start(&ts->timer, ktime_set(1, 0), HRTIMER_MODE_REL);
}
}
return -EIO;
}
static int get_address_base(struct synaptics_ts_data *ts, uint8_t command, uint8_t type)
{
uint8_t i;
for (i = 0; i < ts->num_function; i++) {
if (ts->address_table[i].function_type == command) {
switch (type) {
case QUERY_BASE:
return ts->address_table[i].query_base;
case COMMAND_BASE:
return ts->address_table[i].command_base;
case CONTROL_BASE:
return ts->address_table[i].control_base;
case DATA_BASE:
return ts->address_table[i].data_base;
case INTR_SOURCE:
return ts->address_table[i].interrupt_source;
case FUNCTION:
return 1;
}
}
}
if (type == FUNCTION)
return 0;
else
return -1;
}
static int get_int_mask(uint8_t number, uint8_t offset)
{
uint8_t i, mask = 0;
for (i = 0; i < number; i++)
mask |= BIT(i);
return mask << offset;
}
static uint32_t syn_crc(uint16_t *data, uint16_t len)
{
uint32_t sum1, sum2;
sum1 = sum2 = 0xFFFF;
while (len--) {
sum1 += *data++;
sum2 += sum1;
sum1 = (sum1 & 0xFFFF) + (sum1 >> 16);
sum2 = (sum2 & 0xFFFF) + (sum2 >> 16);
}
return sum1 | (sum2 << 16);
}
static int wait_flash_interrupt(struct synaptics_ts_data *ts, int attr)
{
uint8_t data = 0;
int i, ret;
for (i = 0; i < 5; i++) {
#ifdef SYN_FLASH_PROGRAMMING_LOG
pr_info("[TP] ATT: %d\n", gpio_get_value(attr));
#endif
if (!gpio_get_value(attr)) {
ret = i2c_syn_read(ts->client,
get_address_base(ts, 0x01, DATA_BASE) + 1, &data, 1);
if (ret < 0)
return i2c_syn_error_handler(ts, ts->i2c_err_handler_en, "r:1", __func__);
if ((data & 0x01) == 0x01) {
#ifdef SYN_FLASH_PROGRAMMING_LOG
pr_info("[TP] ATT: %d, status: %x\n", gpio_get_value(attr), data);
#endif
break;
}
}
msleep(20);
}
if (i == 5 && syn_panel_version == 0) {
ret = i2c_syn_read(ts->client, get_address_base(ts, 0x01, DATA_BASE) + 1, &data, 1);
if (ret < 0)
return i2c_syn_error_handler(ts, ts->i2c_err_handler_en, "r:2", __func__);
} else if (i == 5) {
pr_info("[TP] wait_flash_interrupt: interrupt over time!\n");
return SYN_PROCESS_ERR;
}
ret = i2c_syn_read(ts->client,
get_address_base(ts, 0x34, DATA_BASE) + 18, &data, 1);
if (ret < 0)
return i2c_syn_error_handler(ts, ts->i2c_err_handler_en, "r:3", __func__);
if (data != 0x80) {
pr_info("[TP] wait_flash_interrupt: block config fail!\n");
return SYN_PROCESS_ERR;
}
return 0;
}
static int enable_flash_programming(struct synaptics_ts_data *ts, int attr)
{
int ret;
uint8_t data[2];
ret = i2c_syn_read(ts->client,
get_address_base(ts, 0x34, QUERY_BASE), data, 2);
if (ret < 0)
return i2c_syn_error_handler(ts, ts->i2c_err_handler_en, "r:1", __func__);
ret = i2c_syn_write(ts->client,
get_address_base(ts, 0x34, DATA_BASE) + 2, data, 2);
if (ret < 0)
return i2c_syn_error_handler(ts, ts->i2c_err_handler_en, "w:2", __func__);
ret = i2c_syn_write_byte_data(ts->client,
get_address_base(ts, 0x34, DATA_BASE) + 18, 0x0F);
if (ret < 0)
return i2c_syn_error_handler(ts, ts->i2c_err_handler_en, "w:3", __func__);
ret = wait_flash_interrupt(ts, attr);
if (ret < 0)
return ret;
return 0;
}
static int crc_comparison(struct synaptics_ts_data *ts, uint32_t config_crc, int attr)
{
int ret;
uint8_t data[17];
uint32_t flash_crc;
#ifdef SYN_FLASH_PROGRAMMING_LOG
uint8_t i, j;
for (i = 0; i < 0x20; i++) {
data[0] = i;
data[1] = 0x00;
#else
data[0] = 0x1F;
data[1] = 0x00;
#endif
ret = i2c_syn_write(ts->client,
get_address_base(ts, 0x34, DATA_BASE), data, 2);
if (ret < 0)
return i2c_syn_error_handler(ts, ts->i2c_err_handler_en, "w:1", __func__);
ret = i2c_syn_write_byte_data(ts->client,
get_address_base(ts, 0x34, DATA_BASE) + 18, 0x05);
if (ret < 0)
return i2c_syn_error_handler(ts, ts->i2c_err_handler_en, "w:2", __func__);
ret = wait_flash_interrupt(ts, attr);
if (ret < 0)
return ret;
ret = i2c_syn_read(ts->client,
get_address_base(ts, 0x34, DATA_BASE) + 2, data, 17);
if (ret < 0)
return i2c_syn_error_handler(ts, ts->i2c_err_handler_en, "r:3", __func__);
memcpy(&flash_crc, &data[12], 4);
#ifdef SYN_FLASH_PROGRAMMING_LOG
pr_info("[TP] config_crc = %X, flash_crc = %X\n", config_crc, flash_crc);
for (j = 0; j < 0x11; j++)
pr_info(" %d:%X ", j, data[j]);
pr_info("\n");
}
#endif
if (flash_crc == config_crc)
return 0;
else
return 1;
}
static int program_config(struct synaptics_ts_data *ts, uint8_t *config, int attr)
{
int ret;
uint8_t data[19];
uint16_t i;
ret = i2c_syn_read(ts->client,
get_address_base(ts, 0x34, QUERY_BASE), data, 2);
if (ret < 0)
return i2c_syn_error_handler(ts, ts->i2c_err_handler_en, "r:1", __func__);
ret = i2c_syn_write(ts->client,
get_address_base(ts, 0x34, DATA_BASE) + 2, data, 2);
if (ret < 0)
return i2c_syn_error_handler(ts, ts->i2c_err_handler_en, "w:2", __func__);
ret = i2c_syn_write_byte_data(ts->client,
get_address_base(ts, 0x34, DATA_BASE) + 18, 0x07);
if (ret < 0)
return i2c_syn_error_handler(ts, ts->i2c_err_handler_en, "w:3", __func__);
ret = wait_flash_interrupt(ts, attr);
if (ret < 0)
return ret;
for (i = 0; i < 0x20; i++) {
data[0] = i & 0xFF;
data[1] = (i & 0xFF00) >> 8;
memcpy(&data[2], &config[16 * i], 16);
data[18] = 0x06;
ret = i2c_syn_write(ts->client,
get_address_base(ts, 0x34, DATA_BASE), data, 19);
if (ret < 0)
return i2c_syn_error_handler(ts, ts->i2c_err_handler_en, "w:4", __func__);
ret = wait_flash_interrupt(ts, attr);
if (ret < 0)
return ret;
}
return 0;
}
static int disable_flash_programming(struct synaptics_ts_data *ts, int status)
{
int ret;
uint8_t data = 0, i;
ret = i2c_syn_write_byte_data(ts->client,
get_address_base(ts, 0x01, COMMAND_BASE), 0x01);
if (ret < 0)
return i2c_syn_error_handler(ts, ts->i2c_err_handler_en, "w:1", __func__);
for (i = 0; i < 25; i++) {
ret = i2c_syn_read(ts->client,
get_address_base(ts, 0x01, DATA_BASE), &data, 1);
if (ret < 0)
return i2c_syn_error_handler(ts, ts->i2c_err_handler_en, "r:2", __func__);
if ((data & 0x40) == 0)
break;
else
msleep(20);
}
if (i == 25) {
pr_info("[TP] Disable flash programming fail! F01_data: %X\n", data);
return SYN_PROCESS_ERR;
} else {
pr_info("[TP] Disable flash programming success! F01_data: %X\n", data);
return status;
}
}
static int syn_config_update(struct synaptics_ts_data *ts, int attr)
{
uint8_t retry;
uint32_t crc_checksum;
int ret;
crc_checksum =
syn_crc((uint16_t *)ts->config, SYN_CONFIG_SIZE / 2 - 2);
memcpy(&ts->config[SYN_CONFIG_SIZE - 4], &crc_checksum, 4);
pr_info("[TP] CRC = %X\n" , syn_crc((uint16_t *)ts->config, SYN_CONFIG_SIZE / 2 - 2));
if (ts->tw_pin_mask == 0) {
ret = enable_flash_programming(ts, attr);
if (ret < 0) {
pr_info("[TP] syn_config_update: Enable flash programming fail!\n");
return disable_flash_programming(ts, ret);
}
ret = syn_pdt_scan(ts, SYN_BL_PAGE);
if (ret < 0) {
pr_info("[TP] syn_config_update: pdt scan failed\n");
return disable_flash_programming(ts, ret);
}
}
if ((ts->config != NULL && (ts->config[0] << 24 | ts->config[1] << 16 |
ts->config[2] << 8 | ts->config[3]) == ts->config_version)) {
ret = crc_comparison(ts, crc_checksum, attr);
if (ret < 0) {
pr_info("[TP] syn_config_update: CRC comparison fail!\n");
return disable_flash_programming(ts, ret);
} else if (ret == 0)
return disable_flash_programming(ts, 1);
}
for (retry = 0; retry < 3; retry++) {
ret = program_config(ts, ts->config, attr);
if (ret < 0) {
#ifdef SYN_FLASH_PROGRAMMING_LOG
pr_info("[TP] syn_config_update: Program config fail %d!\n", retry + 1);
#endif
continue;
}
ret = disable_flash_programming(ts, 0);
if (ret == 0)
break;
else
pr_info("[TP] syn_config_update: Disable flash programming fail %d\n", retry + 1);
}
if (retry == 3) {
pr_info("[TP] syn_config_update: Program config fail 3 times\n");
return ret;
}
return 0;
}
static int syn_get_tw_vendor(struct synaptics_ts_data *ts, int attr)
{
uint8_t data[2] = {0};
int ret;
ret = enable_flash_programming(ts, attr);
if (ret < 0) {
pr_info("[TP] Enable flash programming fail!\n");
return disable_flash_programming(ts, -1);
}
ret = syn_pdt_scan(ts, SYN_BL_PAGE);
if (ret < 0) {
pr_info("[TP] syn_config_update: pdt scan failed\n");
return disable_flash_programming(ts, ret);
}
memcpy(&data, &ts->tw_pin_mask, sizeof(ts->tw_pin_mask));
pr_info("[TP] tw mask = %X %X , %X\n", data[0], data[1], ts->tw_pin_mask);
i2c_syn_write(ts->client,
get_address_base(ts, 0x34, DATA_BASE) + 2, data, 2);
i2c_syn_write(ts->client,
get_address_base(ts, 0x34, DATA_BASE) + 4, data, 2);
i2c_syn_write_byte_data(ts->client,
get_address_base(ts, 0x34, DATA_BASE) + 18, 0x08);
if (wait_flash_interrupt(ts, attr) < 0)
return disable_flash_programming(ts, -1);
i2c_syn_read(ts->client,
get_address_base(ts, 0x34, DATA_BASE) + 6, data, 2);
ts->tw_vendor = (data[1] << 8) | data[0];
pr_info("[TP] tw vendor= %x %x\n", data[1], data[0]);
return 0;
}
static int synaptics_input_register(struct synaptics_ts_data *ts)
{
int ret;
ts->input_dev = input_allocate_device();
if (ts->input_dev == NULL) {
ret = -ENOMEM;
printk(KERN_ERR "[TP] TOUCH_ERR: %s: Failed to allocate input device\n", __func__);
return ret;
}
ts->input_dev->name = "synaptics-rmi-touchscreen";
set_bit(EV_SYN, ts->input_dev->evbit);
set_bit(EV_KEY, ts->input_dev->evbit);
set_bit(EV_ABS, ts->input_dev->evbit);
set_bit(KEY_BACK, ts->input_dev->keybit);
set_bit(KEY_HOME, ts->input_dev->keybit);
set_bit(KEY_MENU, ts->input_dev->keybit);
set_bit(KEY_SEARCH, ts->input_dev->keybit);
set_bit(KEY_APP_SWITCH, ts->input_dev->keybit);
pr_info("[TP] input_set_abs_params: mix_x %d, max_x %d, min_y %d, max_y %d\n",
ts->layout[0], ts->layout[1], ts->layout[2], ts->layout[3]);
if (ts->htc_event == SYN_AND_REPORT_TYPE_B) {
input_mt_init_slots(ts->input_dev, ts->finger_support);
} else {
ts->input_dev->mtsize = ts->finger_support;
input_set_abs_params(ts->input_dev, ABS_MT_TRACKING_ID, 0,
ts->finger_support - 1, 0, 0);
}
input_set_abs_params(ts->input_dev, ABS_MT_POSITION_X,
ts->layout[0], ts->layout[1], 0, 0);
input_set_abs_params(ts->input_dev, ABS_MT_POSITION_Y,
ts->layout[2], ts->layout[3], 0, 0);
input_set_abs_params(ts->input_dev, ABS_MT_TOUCH_MAJOR, 0, 255, 0, 0);
input_set_abs_params(ts->input_dev, ABS_MT_WIDTH_MAJOR, 0, 30, 0, 0);
input_set_abs_params(ts->input_dev, ABS_MT_PRESSURE, 0, 30, 0, 0);
input_set_abs_params(ts->input_dev, ABS_MT_AMPLITUDE,
0, ((255 << 16) | 15), 0, 0);
input_set_abs_params(ts->input_dev, ABS_MT_POSITION,
0, ((1 << 31) | (ts->layout[1] << 16) | ts->layout[3]), 0, 0);
return input_register_device(ts->input_dev);
}
static ssize_t touch_vendor_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
ssize_t ret = 0;
char fw_version[2];
struct synaptics_ts_data *ts;
ts = gl_ts;
memcpy(fw_version, &syn_panel_version, 2);
ret = sprintf(buf, "synaptics-%d_%c.%c", ts->package_id, fw_version[1], fw_version[0]);
if (ts->tw_pin_mask != 0)
ret += sprintf(buf+ret, "_twID-%x", ts->tw_vendor);
else
ret += sprintf(buf+ret, "\n");
ret += sprintf(buf+ret, "_PR: %d\n", ts->packrat_number);
return ret;
}
static DEVICE_ATTR(vendor, S_IRUGO, touch_vendor_show, NULL);
static ssize_t gpio_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
int ret = 0;
struct synaptics_ts_data *ts;
ts = gl_ts;
ret = gpio_get_value(ts->gpio_irq);
pr_debug("[TP] GPIO_TP_INT_N=%d\n", ret);
sprintf(buf, "GPIO_TP_INT_N=%d\n", ret);
ret = strlen(buf) + 1;
return ret;
}
static DEVICE_ATTR(gpio, S_IRUGO, gpio_show, NULL);
static uint16_t syn_reg_addr;
static ssize_t register_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
int ret = 0;
uint8_t data = 0;
struct synaptics_ts_data *ts;
ts = gl_ts;
ret = i2c_syn_read(ts->client, syn_reg_addr, &data, 1);
if (ret < 0) {
i2c_syn_error_handler(ts, ts->i2c_err_handler_en, "r", __func__);
ret += sprintf(buf, "addr: 0x , data: 0x \n");
} else {
ret += sprintf(buf, "addr: 0x%X, data: 0x%X\n", syn_reg_addr, data);
}
return ret;
}
static ssize_t register_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
int ret = 0;
struct synaptics_ts_data *ts;
char buf_tmp[4];
uint8_t write_da;
unsigned long addr;
ts = gl_ts;
memset(buf_tmp, 0x0, sizeof(buf_tmp));
if ((buf[0] == 'r' || buf[0] == 'w') && buf[1] == ':' &&
(buf[5] == ':' || buf[5] == '\n')) {
memcpy(buf_tmp, buf + 2, 3);
ret = strict_strtoul(buf_tmp, 16, &addr);
syn_reg_addr = addr;
pr_debug("[TP] %s: set syn_reg_addr is: 0x%X\n",
__func__, syn_reg_addr);
if (buf[0] == 'w' && buf[5] == ':' && buf[9] == '\n') {
memcpy(buf_tmp, buf + 6, 3);
ret = strict_strtoul(buf_tmp, 16, &addr);
write_da = addr;
pr_debug("[TP] write addr: 0x%X, data: 0x%X\n",
syn_reg_addr, write_da);
ret = i2c_syn_write_byte_data(ts->client,
syn_reg_addr, write_da);
if (ret < 0) {
i2c_syn_error_handler(ts, ts->i2c_err_handler_en, "w", __func__);
}
}
}
return count;
}
static DEVICE_ATTR(register, (S_IWUSR|S_IRUGO),
register_show, register_store);
static ssize_t debug_level_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct synaptics_ts_data *ts = gl_ts;
return sprintf(buf, "%d\n", ts->debug_log_level);
}
static ssize_t debug_level_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct synaptics_ts_data *ts = gl_ts;
int i;
ts->debug_log_level = 0;
for(i=0; i<count-1; i++)
{
if( buf[i]>='0' && buf[i]<='9' )
ts->debug_log_level |= (buf[i]-'0');
else if( buf[i]>='A' && buf[i]<='F' )
ts->debug_log_level |= (buf[i]-'A'+10);
else if( buf[i]>='a' && buf[i]<='f' )
ts->debug_log_level |= (buf[i]-'a'+10);
if(i!=count-2)
ts->debug_log_level <<= 4;
}
return count;
}
static DEVICE_ATTR(debug_level, (S_IWUSR|S_IRUGO),
debug_level_show, debug_level_store);
static ssize_t syn_diag_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct synaptics_ts_data *ts = gl_ts;
size_t count = 0;
uint16_t i, j;
int ret;
ret = i2c_syn_write_byte_data(ts->client,
get_address_base(ts, 0x54, DATA_BASE), ts->diag_command);
if (ret < 0) {
i2c_syn_error_handler(ts, ts->i2c_err_handler_en, "w:1", __func__);
count += sprintf(buf, "[TP] TOUCH_ERR: %s: i2c write fail(%d)\n", __func__, ret);
return count;
}
atomic_set(&ts->data_ready, 0);
ret = i2c_syn_write_byte_data(ts->client,
get_address_base(ts, 0x54, COMMAND_BASE), 0x01);
if (ret < 0) {
atomic_set(&ts->data_ready, 1);
i2c_syn_error_handler(ts, ts->i2c_err_handler_en, "w:2", __func__);
count += sprintf(buf, "[TP] TOUCH_ERR: %s: i2c write fail(%d)\n", __func__, ret);
return count;
}
wait_event_interruptible_timeout(syn_data_ready_wq,
atomic_read(&ts->data_ready), 50);
for (i = 0; i < ts->y_channel; i++) {
for (j = 0; j < ts->x_channel; j++) {
if(ts->package_id == 3201)
count += sprintf(buf + count, "%5d", ts->report_data[i*ts->x_channel + j]);
else
count += sprintf(buf + count, "%5d", ts->report_data[i + j*ts->y_channel]);
}
count += sprintf(buf + count, "\n");
}
return count;
}
static ssize_t syn_diag_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct synaptics_ts_data *ts;
ts = gl_ts;
if (buf[0] == '1')
ts->diag_command = 2;
else if (buf[0] == '2')
ts->diag_command = 3;
return count;
}
static DEVICE_ATTR(diag, (S_IWUSR|S_IRUGO),
syn_diag_show, syn_diag_store);
static ssize_t syn_unlock_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{