1 /*
2 * drivers/input/touchscreen/gslX680.c
3 *
4 * Copyright (c) 2012 Shanghai Basewin
5 * Guan Yuwei<guanyuwei@basewin.com>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 */
11
12 #include <linux/module.h>
13 #include <linux/delay.h>
14 #include <linux/hrtimer.h>
15 #include <linux/i2c.h>
16 #include <linux/input.h>
17 #include <linux/interrupt.h>
18 #include <linux/io.h>
19 #include <linux/platform_device.h>
20 #include <linux/async.h>
21 #include <linux/gpio.h>
22 #include <asm/irq.h>
23 #include <linux/slab.h>
24 #include <linux/uaccess.h>
25 #include <linux/workqueue.h>
26 #include <linux/proc_fs.h>
27 #include <linux/input/mt.h>
28 //#include "rockchip_gslX680_rk3168.h"
29 #include "tp_suspend.h"
30 #include "gslx680.h"
31 #include <linux/of_gpio.h>
32 #include <linux/wakelock.h>
33 #include <linux/of_platform.h>
34
35 #define GSL_DEBUG
36
37 /*
38 struct fw_data
39 {
40 u32 offset : 8;
41 u32 : 0;
42 u32 val;
43 };
44 */
45
46 #define RK_GEAR_TOUCH
47 #define REPORT_DATA_ANDROID_4_0
48 #define HAVE_TOUCH_KEY
49 //#define SLEEP_CLEAR_POINT
50
51 //#define FILTER_POINT
52
53 #ifdef FILTER_POINT
54 #define FILTER_MAX 9 //6
55 #endif
56
57 #define GSLX680_I2C_NAME "gslX680"
58 #define GSLX680_I2C_ADDR 0x40
59
60 //#define IRQ_PORT RK2928_PIN1_PB0//RK30_PIN1_PB7
61 //#define WAKE_PORT RK30_PIN0_PA1//RK30_PIN0_PB6
62
63 #define GSL_DATA_REG 0x80
64 #define GSL_STATUS_REG 0xe0
65 #define GSL_PAGE_REG 0xf0
66
67 #define TPD_PROC_DEBUG
68 #ifdef TPD_PROC_DEBUG
69 #include <linux/proc_fs.h>
70 #include <linux/uaccess.h>
71 #include <linux/seq_file.h>
72 //static struct proc_dir_entry *gsl_config_proc = NULL;
73 #define GSL_CONFIG_PROC_FILE "gsl_config"
74 #define CONFIG_LEN 31
75 static char gsl_read[CONFIG_LEN];
76 static u8 gsl_data_proc[8] = { 0 };
77 static u8 gsl_proc_flag = 0;
78 static struct i2c_client *i2c_client = NULL;
79 #endif
80 #define GSL_MONITOR
81 #define PRESS_MAX 255
82 #define MAX_FINGERS 10
83 #define MAX_CONTACTS 10
84 #define DMA_TRANS_LEN 0x20
85 #ifdef GSL_MONITOR
86
87 #ifdef RK_GEAR_TOUCH
88 static int g_istouch=0;
89 #endif
90
91 static struct workqueue_struct *gsl_monitor_workqueue = NULL;
92 static u8 int_1st[4] = { 0 };
93 static u8 int_2nd[4] = { 0 };
94 //static char dac_counter = 0;
95 static char b0_counter = 0;
96 static char bc_counter = 0;
97 static char i2c_lock_flag = 0;
98 #endif
99
100 #define WRITE_I2C_SPEED (350*1000)
101 #define I2C_SPEED (200*1000)
102 #define CLOSE_TP_POWER 0
103 //add by yuandan
104 //#define HAVE_CLICK_TIMER
105
106 #ifdef HAVE_CLICK_TIMER
107
108 static struct workqueue_struct *gsl_timer_workqueue = NULL;
109 bool send_key = false;
110 struct semaphore my_sem;
111 #endif
112
113 #ifdef HAVE_TOUCH_KEY
114 static u16 key = 0;
115 static int key_state_flag = 0;
116 struct key_data {
117 u16 key;
118 u16 x_min;
119 u16 x_max;
120 u16 y_min;
121 u16 y_max;
122 };
123
124 const u16 key_array[] = {
125 KEY_LEFT,
126 KEY_RIGHT,
127 KEY_UP,
128 KEY_DOWN,
129 KEY_ENTER,
130 };
131
132 #define MAX_KEY_NUM (sizeof(key_array)/sizeof(key_array[0]))
133 //add by yuandan
134 static int key_x[512];
135 static int key_y[512];
136 static int key_count;
137 #ifdef SLEEP_CLEAR_POINT
138 static const struct key_data gsl_key_data[MAX_KEY_NUM] = {
139 {KEY_BACK, 550, 650, 1400, 1600},
140 {KEY_HOMEPAGE, 350, 450, 1400, 1600},
141 {KEY_MENU, 150, 250, 1400, 1600},
142 {KEY_SEARCH, 2048, 2048, 2048, 2048},
143 };
144 #endif
145 #endif
146
147 struct gsl_ts_data {
148 u8 x_index;
149 u8 y_index;
150 u8 z_index;
151 u8 id_index;
152 u8 touch_index;
153 u8 data_reg;
154 u8 status_reg;
155 u8 data_size;
156 u8 touch_bytes;
157 u8 update_data;
158 u8 touch_meta_data;
159 u8 finger_size;
160 };
161
162 static struct gsl_ts_data devices[] = {
163 {
164 .x_index = 6,
165 .y_index = 4,
166 .z_index = 5,
167 .id_index = 7,
168 .data_reg = GSL_DATA_REG,
169 .status_reg = GSL_STATUS_REG,
170 .update_data = 0x4,
171 .touch_bytes = 4,
172 .touch_meta_data = 4,
173 .finger_size = 70,
174 },
175 };
176
177 struct gsl_ts_cfg {
178 struct fw_data *fw_ptr;
179 unsigned int fw_size;
180 enum gsl_quirk quirks;
181 unsigned int *cfg_id;
182 int max_x;
183 int max_y;
184 bool x_pol;
185 bool y_pol;
186 };
187
188 struct gsl_ts {
189 struct i2c_client *client;
190 struct input_dev *input;
191 struct work_struct work;
192 struct workqueue_struct *wq;
193 struct gsl_ts_data *dd;
194 int flag_irq_is_disable;
195 spinlock_t irq_lock;
196 u8 *touch_data;
197 u8 device_id;
198 int irq;
199 int rst;
200 struct delayed_work gsl_monitor_work;
201 #if defined(CONFIG_HAS_EARLYSUSPEND)
202 struct early_suspend early_suspend;
203 #endif
204
205 #if defined (HAVE_CLICK_TIMER)
206 struct work_struct click_work;
207 #endif
208
209 struct tp_device tp;
210 struct pinctrl *pinctrl;
211 struct pinctrl_state *pins_default;
212 struct pinctrl_state *pins_sleep;
213 struct pinctrl_state *pins_inactive;
214 const struct gsl_ts_cfg *ts_cfg;
215 };
216
217 #ifdef GSL_DEBUG
218 #define print_info(fmt, args...) printk(fmt, ##args);
219 #else
220 #define print_info(fmt, args...)
221 #endif
222
223 static u32 id_sign[MAX_CONTACTS + 1] = { 0 };
224 static u8 id_state_flag[MAX_CONTACTS + 1] = { 0 };
225 static u8 id_state_old_flag[MAX_CONTACTS + 1] = { 0 };
226 static u16 x_old[MAX_CONTACTS + 1] = { 0 };
227 static u16 y_old[MAX_CONTACTS + 1] = { 0 };
228 static u16 x_new = 0;
229 static u16 y_new = 0;
230
231 static const struct gsl_ts_cfg gslx680_vr_cfg = {
232 .fw_ptr = GSLX680_FW,
233 .fw_size = ARRAY_SIZE(GSLX680_FW),
234 .quirks = GSL_QUIRK_VR,
235 .cfg_id = gsl_config_data_id,
236 .max_x = SCREEN_MAX_X,
237 .max_y = SCREEN_MAX_Y,
238 .x_pol = false,
239 .y_pol = false,
240 };
241
242 static const struct gsl_ts_cfg gslx680_tve_cfg = {
243 .fw_ptr = GSLX680_FW_TVE,
244 .fw_size = ARRAY_SIZE(GSLX680_FW_TVE),
245 .quirks = GSL_QUIRK_TVE,
246 .cfg_id = gsl_tve_cfg_id,
247 .max_x = SCREEN_MAX_X_TVE,
248 .max_y = SCREEN_MAX_Y_TVE,
249 .x_pol = true,
250 .y_pol = true,
251 };
252
gslx680_set_pinctrl_state(struct gsl_ts * ts,struct pinctrl_state * state)253 int gslx680_set_pinctrl_state(struct gsl_ts *ts, struct pinctrl_state *state)
254 {
255 int ret = 0;
256
257 if (!IS_ERR(state)) {
258 ret = pinctrl_select_state(ts->pinctrl, state);
259 if (ret)
260 printk("could not set pins \n");
261 }
262
263 return ret;
264 }
265
gslX680_init(struct gsl_ts * ts)266 static int gslX680_init(struct gsl_ts *ts)
267 {
268 struct device_node *np = ts->client->dev.of_node;
269 int err = 0;
270 int ret = 0;
271
272 ts->irq = of_get_named_gpio_flags(np, "touch-gpio", 0, NULL);
273 ts->rst = of_get_named_gpio_flags(np, "reset-gpio", 0, NULL);
274
275 //msleep(20);
276 #if 0 //#if defined (CONFIG_BOARD_ZM71C)||defined (CONFIG_BOARD_ZM72CP) ||
277 defined(CONFIG_BOARD_ZM726C) || defined(CONFIG_BOARD_ZM726CE)
278 if (gpio_request(ts->rst, NULL) != 0) {
279 gpio_free(ts->rst);
280 printk("gslX680_init gpio_request error\n");
281 return -EIO;
282 }
283 #endif
284
285 /* pinctrl */
286 ts->pinctrl = devm_pinctrl_get(&ts->client->dev);
287 if (IS_ERR(ts->pinctrl)) {
288 ret = PTR_ERR(ts->pinctrl);
289 //goto out;
290 }
291
292 ts->pins_default =
293 pinctrl_lookup_state(ts->pinctrl, PINCTRL_STATE_DEFAULT);
294 //if (IS_ERR(ts->pins_default))
295 // dev_err(&client->dev, "could not get default pinstate\n");
296
297 ts->pins_sleep = pinctrl_lookup_state(ts->pinctrl, PINCTRL_STATE_SLEEP);
298 //if (IS_ERR(ts->pins_sleep))
299 // dev_err(&client->dev, "could not get sleep pinstate\n");
300
301 ts->pins_inactive = pinctrl_lookup_state(ts->pinctrl, "inactive");
302 //if (IS_ERR(ts->pins_inactive))
303 // dev_err(&client->dev, "could not get inactive pinstate\n");
304
305 err = gpio_request(ts->rst, "tp reset");
306 if (err) {
307 printk("gslx680 reset gpio request failed.\n");
308 return -1;
309 }
310
311 gslx680_set_pinctrl_state(ts, ts->pins_default);
312 gpio_direction_output(ts->rst, 1);
313 gpio_set_value(ts->rst, 1);
314
315 return 0;
316 }
317
gslX680_shutdown_low(struct gsl_ts * ts)318 static int gslX680_shutdown_low(struct gsl_ts *ts)
319 {
320 printk("gsl gslX680_shutdown_low\n");
321 gpio_direction_output(ts->rst, 0);
322 gpio_set_value(ts->rst, 0);
323
324 return 0;
325 }
326
gslX680_shutdown_high(struct gsl_ts * ts)327 static int gslX680_shutdown_high(struct gsl_ts *ts)
328 {
329 printk("gsl gslX680_shutdown_high\n");
330 gpio_direction_output(ts->rst, 1);
331 gpio_set_value(ts->rst, 1);
332
333 return 0;
334 }
335
join_bytes(u8 a,u8 b)336 static inline u16 join_bytes(u8 a, u8 b)
337 {
338 u16 ab = 0;
339
340 ab = ab | a;
341 ab = ab << 8 | b;
342
343 return ab;
344 }
345
346 /*
347 static u32 gsl_read_interface(struct i2c_client *client,
348 u8 reg, u8 *buf, u32 num)
349 {
350 struct i2c_msg xfer_msg[2];
351
352 xfer_msg[0].addr = client->addr;
353 xfer_msg[0].len = 1;
354 xfer_msg[0].flags = client->flags & I2C_M_TEN;
355 xfer_msg[0].buf = ®
356 xfer_msg[0].scl_rate=300*1000;
357
358 xfer_msg[1].addr = client->addr;
359 xfer_msg[1].len = num;
360 xfer_msg[1].flags |= I2C_M_RD;
361 xfer_msg[1].buf = buf;
362 xfer_msg[1].scl_rate=300*1000;
363
364 if (reg < 0x80) {
365 i2c_transfer(client->adapter, xfer_msg, ARRAY_SIZE(xfer_msg));
366 msleep(5);
367 }
368
369 return i2c_transfer(client->adapter, xfer_msg, ARRAY_SIZE(xfer_msg)) \
370 == ARRAY_SIZE(xfer_msg) ? 0 : -EFAULT;
371 }
372 */
373
gsl_write_interface(struct i2c_client * client,const u8 reg,u8 * buf,u32 num)374 static u32 gsl_write_interface(struct i2c_client *client,
375 const u8 reg, u8 *buf, u32 num)
376 {
377 struct i2c_msg xfer_msg[1];
378
379 buf[0] = reg;
380
381 xfer_msg[0].addr = client->addr;
382 xfer_msg[0].len = num + 1;
383 xfer_msg[0].flags = client->flags & I2C_M_TEN;
384 xfer_msg[0].buf = buf;
385 //xfer_msg[0].scl_rate = 100 * 1000;
386
387 return i2c_transfer(client->adapter, xfer_msg, 1) == 1 ? 0 : -EFAULT;
388 }
389
gsl_ts_write(struct i2c_client * client,u8 addr,u8 * pdata,int datalen)390 static int gsl_ts_write(struct i2c_client *client,
391 u8 addr, u8 *pdata, int datalen)
392 {
393 int ret = 0;
394 u8 tmp_buf[128];
395 unsigned int bytelen = 0;
396
397 if (datalen > 125) {
398 printk("%s too big datalen = %d!\n", __func__, datalen);
399 return -1;
400 }
401
402 tmp_buf[0] = addr;
403 bytelen++;
404
405 if (datalen != 0 && pdata != NULL) {
406 memcpy(&tmp_buf[bytelen], pdata, datalen);
407 bytelen += datalen;
408 }
409
410 ret = i2c_master_send(client, tmp_buf, bytelen);
411 return ret;
412 }
413
gsl_ts_read(struct i2c_client * client,u8 addr,u8 * pdata,unsigned int datalen)414 static int gsl_ts_read(struct i2c_client *client, u8 addr,
415 u8 *pdata, unsigned int datalen)
416 {
417 int ret = 0;
418
419 if (datalen > 126) {
420 printk("%s too big datalen = %d!\n", __func__, datalen);
421 return -1;
422 }
423
424 ret = gsl_ts_write(client, addr, NULL, 0);
425 if (ret < 0) {
426 printk("%s set data address fail!\n", __func__);
427 return ret;
428 }
429
430 return i2c_master_recv(client, pdata, datalen);
431 }
432
fw2buf(u8 * buf,const u32 * fw)433 static __inline__ void fw2buf(u8 *buf, const u32 *fw)
434 {
435 u32 *u32_buf = (int *)buf;
436 *u32_buf = *fw;
437 }
438
gsl_load_fw(struct i2c_client * client)439 static void gsl_load_fw(struct i2c_client *client)
440 {
441 u8 buf[DMA_TRANS_LEN * 4 + 1] = { 0 };
442 u8 send_flag = 1;
443 u8 *cur = buf + 1;
444 u32 source_line = 0;
445 u32 source_len;
446 //u8 read_buf[4] = {0};
447 struct gsl_ts *ts =
448 (struct gsl_ts *)i2c_get_clientdata(client);
449 struct fw_data const *ptr_fw = ts->ts_cfg->fw_ptr;
450
451 source_len = ts->ts_cfg->fw_size;
452
453 for (source_line = 0; source_line < source_len; source_line++) {
454 /* init page trans, set the page val */
455 if (GSL_PAGE_REG == ptr_fw[source_line].offset) {
456 fw2buf(cur, &ptr_fw[source_line].val);
457 gsl_write_interface(client, GSL_PAGE_REG, buf, 4);
458 send_flag = 1;
459 } else {
460 if (1 ==
461 send_flag % (DMA_TRANS_LEN <
462 0x20 ? DMA_TRANS_LEN : 0x20))
463 buf[0] = (u8) ptr_fw[source_line].offset;
464
465 fw2buf(cur, &ptr_fw[source_line].val);
466 cur += 4;
467
468 if (0 ==
469 send_flag % (DMA_TRANS_LEN <
470 0x20 ? DMA_TRANS_LEN : 0x20)) {
471 gsl_write_interface(client, buf[0], buf,
472 cur - buf - 1);
473 cur = buf + 1;
474 }
475
476 send_flag++;
477 }
478 }
479 }
480
test_i2c(struct i2c_client * client)481 static int test_i2c(struct i2c_client *client)
482 {
483 u8 read_buf = 0;
484 u8 write_buf = 0x12;
485 int ret, rc = 1;
486
487 ret = gsl_ts_read(client, 0xf0, &read_buf, sizeof(read_buf));
488 if (ret < 0)
489 rc--;
490 else
491 printk("gsl I read reg 0xf0 is %x\n", read_buf);
492
493 msleep(2);
494 ret = gsl_ts_write(client, 0xf0, &write_buf, sizeof(write_buf));
495 if (ret >= 0)
496 printk("gsl I write reg 0xf0 0x12\n");
497
498 msleep(2);
499 ret = gsl_ts_read(client, 0xf0, &read_buf, sizeof(read_buf));
500 if (ret < 0)
501 rc--;
502 else
503 printk("gsl I read reg 0xf0 is 0x%x\n", read_buf);
504
505 return rc;
506 }
startup_chip(struct i2c_client * client)507 static void startup_chip(struct i2c_client *client)
508 {
509 struct gsl_ts *ts =
510 (struct gsl_ts *)i2c_get_clientdata(client);
511 u8 tmp = 0x00;
512
513 printk("gsl startup_chip\n");
514
515 #ifdef GSL_NOID_VERSION
516 gsl_DataInit(ts->ts_cfg->cfg_id);
517 #endif
518 gsl_ts_write(client, 0xe0, &tmp, 1);
519 mdelay(10);
520 }
521
reset_chip(struct i2c_client * client)522 static void reset_chip(struct i2c_client *client)
523 {
524 u8 tmp = 0x88;
525 u8 buf[4] = { 0x00 };
526
527 printk("gsl reset_chip\n");
528
529 gsl_ts_write(client, 0xe0, &tmp, sizeof(tmp));
530 mdelay(20);
531 tmp = 0x04;
532 gsl_ts_write(client, 0xe4, &tmp, sizeof(tmp));
533 mdelay(10);
534 gsl_ts_write(client, 0xbc, buf, sizeof(buf));
535 mdelay(10);
536 }
537
clr_reg(struct i2c_client * client)538 static void clr_reg(struct i2c_client *client)
539 {
540 u8 write_buf[4] = { 0 };
541
542 write_buf[0] = 0x88;
543 gsl_ts_write(client, 0xe0, &write_buf[0], 1);
544 mdelay(20);
545 write_buf[0] = 0x03;
546 gsl_ts_write(client, 0x80, &write_buf[0], 1);
547 mdelay(5);
548 write_buf[0] = 0x04;
549 gsl_ts_write(client, 0xe4, &write_buf[0], 1);
550 mdelay(5);
551 write_buf[0] = 0x00;
552 gsl_ts_write(client, 0xe0, &write_buf[0], 1);
553 mdelay(20);
554 }
555
init_chip(struct i2c_client * client,struct gsl_ts * ts)556 static void init_chip(struct i2c_client *client, struct gsl_ts *ts)
557 {
558 int rc;
559
560 printk("gsl init_chip\n");
561
562 gslX680_shutdown_low(ts);
563 mdelay(20);
564 gslX680_shutdown_high(ts);
565 mdelay(20);
566 rc = test_i2c(client);
567 if (rc < 0) {
568 printk("gslX680 test_i2c error\n");
569 return;
570 }
571 clr_reg(client);
572 reset_chip(client);
573 gsl_load_fw(client);
574 startup_chip(client);
575 reset_chip(client);
576 startup_chip(client);
577 }
578
check_mem_data(struct i2c_client * client,struct gsl_ts * ts)579 static void check_mem_data(struct i2c_client *client, struct gsl_ts *ts)
580 {
581 u8 read_buf[4] = { 0 };
582
583 mdelay(30);
584 gsl_ts_read(client, 0xb0, read_buf, sizeof(read_buf));
585 if (read_buf[3] != 0x5a || read_buf[2] != 0x5a ||
586 read_buf[1] != 0x5a || read_buf[0] != 0x5a) {
587 init_chip(client, ts);
588 }
589 }
590
591 #ifdef TPD_PROC_DEBUG
char_to_int(char ch)592 static int char_to_int(char ch)
593 {
594 if (ch >= '0' && ch <= '9')
595 return (ch - '0');
596 else
597 return (ch - 'a' + 10);
598 }
599
gsl_config_read_proc(struct seq_file * m,void * v)600 static int gsl_config_read_proc(struct seq_file *m, void *v)
601 {
602 //char *ptr = page;
603 char temp_data[5] = { 0 };
604 unsigned int tmp = 0;
605 //unsigned int *ptr_fw;
606 struct gsl_ts *ts =
607 (struct gsl_ts *)i2c_get_clientdata(i2c_client);
608
609 if ('v' == gsl_read[0] && 's' == gsl_read[1]) {
610 #ifdef GSL_NOID_VERSION
611 tmp = gsl_version_id();
612 #else
613 tmp = 0x20121215;
614 #endif
615 seq_printf(m, "version:%x\n", tmp);
616 } else if ('r' == gsl_read[0] && 'e' == gsl_read[1]) {
617 if ('i' == gsl_read[3]) {
618 #ifdef GSL_NOID_VERSION
619 /* tmp=(gsl_data_proc[5]<<8) | gsl_data_proc[4];
620 seq_printf(m,"gsl_config_data_id[%d] = ",tmp);
621 if(tmp>=0&&tmp<gsl_cfg_table[gsl_cfg_index].data_size)
622 seq_printf(m,"%d\n",gsl_cfg_table[gsl_cfg_index].data_id[tmp]); */
623
624 tmp = (gsl_data_proc[5] << 8) | gsl_data_proc[4];
625 seq_printf(m, "gsl_config_data_id[%d] = ", tmp);
626 if (tmp >= 0 && tmp < 512)
627 seq_printf(m, "%d\n", ts->ts_cfg->cfg_id[tmp]);
628 #endif
629 } else {
630 i2c_smbus_write_i2c_block_data(i2c_client, 0xf0, 4,
631 &gsl_data_proc[4]);
632 if (gsl_data_proc[0] < 0x80)
633 i2c_smbus_read_i2c_block_data(i2c_client,
634 gsl_data_proc[0],
635 4, temp_data);
636 i2c_smbus_read_i2c_block_data(i2c_client,
637 gsl_data_proc[0], 4,
638 temp_data);
639
640 seq_printf(m, "offset : {0x%02x,0x", gsl_data_proc[0]);
641 seq_printf(m, "%02x", temp_data[3]);
642 seq_printf(m, "%02x", temp_data[2]);
643 seq_printf(m, "%02x", temp_data[1]);
644 seq_printf(m, "%02x};\n", temp_data[0]);
645 }
646 }
647 return 0;
648 }
gsl_config_write_proc(struct file * file,const char * buffer,size_t count,loff_t * data)649 static ssize_t gsl_config_write_proc(struct file *file, const char *buffer,
650 size_t count, loff_t *data)
651 {
652 u8 buf[8] = { 0 };
653 char temp_buf[CONFIG_LEN];
654 char *path_buf;
655 int tmp = 0;
656 int tmp1 = 0;
657 struct gsl_ts *ts =
658 (struct gsl_ts *)i2c_get_clientdata(i2c_client);
659
660 print_info("[tp-gsl][%s] \n", __func__);
661 if (count > 512) {
662 //print_info("size not match [%d:%d]\n", CONFIG_LEN, count);
663 return -EFAULT;
664 }
665 path_buf = kzalloc(count, GFP_KERNEL);
666 if (!path_buf) {
667 printk("alloc path_buf memory error \n");
668 }
669 if (copy_from_user(path_buf, buffer, count)) {
670 print_info("copy from user fail\n");
671 goto exit_write_proc_out;
672 }
673 memcpy(temp_buf, path_buf, (count < CONFIG_LEN ? count : CONFIG_LEN));
674 print_info("[tp-gsl][%s][%s]\n", __func__, temp_buf);
675
676 buf[3] = char_to_int(temp_buf[14]) << 4 | char_to_int(temp_buf[15]);
677 buf[2] = char_to_int(temp_buf[16]) << 4 | char_to_int(temp_buf[17]);
678 buf[1] = char_to_int(temp_buf[18]) << 4 | char_to_int(temp_buf[19]);
679 buf[0] = char_to_int(temp_buf[20]) << 4 | char_to_int(temp_buf[21]);
680
681 buf[7] = char_to_int(temp_buf[5]) << 4 | char_to_int(temp_buf[6]);
682 buf[6] = char_to_int(temp_buf[7]) << 4 | char_to_int(temp_buf[8]);
683 buf[5] = char_to_int(temp_buf[9]) << 4 | char_to_int(temp_buf[10]);
684 buf[4] = char_to_int(temp_buf[11]) << 4 | char_to_int(temp_buf[12]);
685 if ('v' == temp_buf[0] && 's' == temp_buf[1]) {
686 //version //vs
687 memcpy(gsl_read, temp_buf, 4);
688 printk("gsl version\n");
689 } else if ('s' == temp_buf[0] && 't' == temp_buf[1]) {
690 //start //st
691 gsl_proc_flag = 1;
692 reset_chip(i2c_client);
693 } else if ('e' == temp_buf[0] && 'n' == temp_buf[1]) {
694 //end //en
695 mdelay(20);
696 reset_chip(i2c_client);
697 startup_chip(i2c_client);
698 gsl_proc_flag = 0;
699 } else if ('r' == temp_buf[0] && 'e' == temp_buf[1]) {
700 //read buf //
701 memcpy(gsl_read, temp_buf, 4);
702 memcpy(gsl_data_proc, buf, 8);
703 } else if ('w' == temp_buf[0] && 'r' == temp_buf[1]) {
704 //write buf
705 i2c_smbus_write_i2c_block_data(i2c_client, buf[4], 4, buf);
706 }
707 #ifdef GSL_NOID_VERSION
708 else if ('i' == temp_buf[0] && 'd' == temp_buf[1]) {
709 //write id config //
710 tmp1 = (buf[7] << 24) | (buf[6] << 16) | (buf[5] << 8) | buf[4];
711 tmp = (buf[3] << 24) | (buf[2] << 16) | (buf[1] << 8) | buf[0];
712
713 if (tmp1 >= 0 && tmp1 < 512) {
714 ts->ts_cfg->cfg_id[tmp1] = tmp;
715 }
716 }
717 #endif
718 exit_write_proc_out:
719 kfree(path_buf);
720 return count;
721 }
722
gsl_server_list_open(struct inode * inode,struct file * file)723 static int gsl_server_list_open(struct inode *inode, struct file *file)
724 {
725 return single_open(file, gsl_config_read_proc, NULL);
726 }
727 static const struct file_operations gsl_seq_fops = {
728 .open = gsl_server_list_open,
729 .read = seq_read,
730 .release = single_release,
731 .write = gsl_config_write_proc,
732 .owner = THIS_MODULE,
733 };
734
735 #endif
736
737 #ifdef FILTER_POINT
filter_point(u16 x,u16 y,u8 id)738 static void filter_point(u16 x, u16 y, u8 id)
739 {
740 u16 x_err = 0;
741 u16 y_err = 0;
742 u16 filter_step_x = 0, filter_step_y = 0;
743
744 id_sign[id] = id_sign[id] + 1;
745 if (id_sign[id] == 1) {
746 x_old[id] = x;
747 y_old[id] = y;
748 }
749
750 x_err = x > x_old[id] ? (x - x_old[id]) : (x_old[id] - x);
751 y_err = y > y_old[id] ? (y - y_old[id]) : (y_old[id] - y);
752
753 if ((x_err > FILTER_MAX && y_err > FILTER_MAX / 3) ||
754 (x_err > FILTER_MAX / 3 && y_err > FILTER_MAX)) {
755 filter_step_x = x_err;
756 filter_step_y = y_err;
757 } else {
758 if (x_err > FILTER_MAX)
759 filter_step_x = x_err;
760 if (y_err > FILTER_MAX)
761 filter_step_y = y_err;
762 }
763
764 if (x_err <= 2 * FILTER_MAX && y_err <= 2 * FILTER_MAX) {
765 filter_step_x >>= 2;
766 filter_step_y >>= 2;
767 } else if (x_err <= 3 * FILTER_MAX && y_err <= 3 * FILTER_MAX) {
768 filter_step_x >>= 1;
769 filter_step_y >>= 1;
770 } else if (x_err <= 4 * FILTER_MAX && y_err <= 4 * FILTER_MAX) {
771 filter_step_x = filter_step_x * 3 / 4;
772 filter_step_y = filter_step_y * 3 / 4;
773 }
774
775 x_new =
776 x >
777 x_old[id] ? (x_old[id] + filter_step_x) : (x_old[id] -
778 filter_step_x);
779 y_new =
780 y >
781 y_old[id] ? (y_old[id] + filter_step_y) : (y_old[id] -
782 filter_step_y);
783
784 x_old[id] = x_new;
785 y_old[id] = y_new;
786 }
787 #else
record_point(u16 x,u16 y,u8 id)788 static void record_point(u16 x, u16 y, u8 id)
789 {
790 u16 x_err = 0;
791 u16 y_err = 0;
792
793 id_sign[id] = id_sign[id] + 1;
794
795 if (id_sign[id] == 1) {
796 x_old[id] = x;
797 y_old[id] = y;
798 }
799
800 x = (x_old[id] + x) / 2;
801 y = (y_old[id] + y) / 2;
802
803 if (x > x_old[id]) {
804 x_err = x - x_old[id];
805 } else {
806 x_err = x_old[id] - x;
807 }
808
809 if (y > y_old[id]) {
810 y_err = y - y_old[id];
811 } else {
812 y_err = y_old[id] - y;
813 }
814
815 if ((x_err > 3 && y_err > 1) || (x_err > 1 && y_err > 3)) {
816 x_new = x;
817 x_old[id] = x;
818 y_new = y;
819 y_old[id] = y;
820 } else {
821 if (x_err > 3) {
822 x_new = x;
823 x_old[id] = x;
824 } else {
825 x_new = x_old[id];
826 }
827
828 if (y_err > 3) {
829 y_new = y;
830 y_old[id] = y;
831 } else {
832 y_new = y_old[id];
833 }
834 }
835
836 if (id_sign[id] == 1) {
837 x_new = x_old[id];
838 y_new = y_old[id];
839 }
840 }
841 #endif
842
843
844 #ifdef SLEEP_CLEAR_POINT
845 #ifdef HAVE_TOUCH_KEY
report_key(struct gsl_ts * ts,u16 x,u16 y)846 static void report_key(struct gsl_ts *ts, u16 x, u16 y)
847 {
848 u16 i = 0;
849
850 for (i = 0; i < MAX_KEY_NUM; i++) {
851 if ((gsl_key_data[i].x_min < x)
852 && (x < gsl_key_data[i].x_max)
853 && (gsl_key_data[i].y_min < y)
854 && (y < gsl_key_data[i].y_max)) {
855 key = gsl_key_data[i].key;
856 input_report_key(ts->input, key, 1);
857 input_sync(ts->input);
858 key_state_flag = 1;
859 break;
860 }
861 }
862 }
863 #endif
864 #endif
865
866 #ifdef RK_GEAR_TOUCH
report_data(struct gsl_ts * ts,u16 x,u16 y,u8 pressure,u8 id)867 static void report_data(struct gsl_ts *ts, u16 x, u16 y, u8 pressure, u8 id)
868 {
869 #ifdef RK_GEAR_TOUCH
870 int delt_x,delt_y;
871 static int old_x=0, old_y=0;
872 #endif
873 int max_x = ts->ts_cfg->max_x;
874 int max_y = ts->ts_cfg->max_y;
875
876 //#ifndef SWAP_XY
877 // swap(x, y);
878 //#endif
879 //printk("#####id=%d,x=%d,y=%d######\n",id,x,y);
880
881 if (x > max_x || y > max_y) {
882 #ifdef HAVE_TOUCH_KEY
883 //report_key(ts, x, y);
884 //printk("#####report_key x=%d,y=%d######\n",x,y);
885 #endif
886 return;
887 }
888
889 /*
890 input_mt_slot(ts->input_dev, id);
891 input_report_abs(ts->input_dev, ABS_MT_TRACKING_ID, id);
892 input_report_abs(ts->input_dev, ABS_MT_POSITION_X, x);
893 input_report_abs(ts->input_dev, ABS_MT_POSITION_Y, y);
894 input_report_abs(ts->input_dev, ABS_MT_TOUCH_MAJOR, w);
895 input_report_abs(ts->input_dev, ABS_MT_WIDTH_MAJOR, w);
896 */
897
898 #ifdef RK_GEAR_TOUCH
899 if (ts->ts_cfg->quirks == GSL_QUIRK_VR) {
900 if (g_istouch == 0) {
901 g_istouch = 1;
902 input_event(ts->input, EV_MSC, MSC_SCAN, 0x90001);
903 input_report_key(ts->input, 0x110, 1);
904 input_sync(ts->input);
905 }
906 delt_x = (int)x - old_x;
907 delt_y = (int)y - old_y;
908 delt_x /= 10;
909 delt_y /= 10;
910 input_report_rel(ts->input, REL_Y, -delt_x);
911 input_report_rel(ts->input, REL_X, -delt_y);
912 input_sync(ts->input);
913 old_x = x;
914 old_y = y;
915 return;
916 }
917 #endif
918
919 #ifdef REPORT_DATA_ANDROID_4_0
920 //printk("#####REPORT_DATA_ANDROID_4_0######\n");
921 input_mt_slot(ts->input, id);
922 //input_report_abs(ts->input, ABS_MT_TRACKING_ID, id);
923 input_mt_report_slot_state(ts->input, MT_TOOL_FINGER, 1);
924 input_report_abs(ts->input, ABS_MT_TOUCH_MAJOR, pressure);
925 if (ts->ts_cfg->x_pol)
926 input_report_abs(ts->input, ABS_MT_POSITION_X, max_x - x);
927 else
928 input_report_abs(ts->input, ABS_MT_POSITION_X, x);
929 if (ts->ts_cfg->y_pol)
930 input_report_abs(ts->input, ABS_MT_POSITION_Y, (max_y - y));
931 else
932 input_report_abs(ts->input, ABS_MT_POSITION_Y, (y));
933 input_report_abs(ts->input, ABS_MT_WIDTH_MAJOR, 1);
934 #else
935 //printk("#####nonono REPORT_DATA_ANDROID_4_0######\n");
936 input_report_abs(ts->input, ABS_MT_TRACKING_ID, id);
937 input_report_abs(ts->input, ABS_MT_TOUCH_MAJOR, pressure);
938 input_report_abs(ts->input, ABS_MT_POSITION_X, x);
939 input_report_abs(ts->input, ABS_MT_POSITION_Y, y);
940 input_report_abs(ts->input, ABS_MT_WIDTH_MAJOR, 1);
941 input_mt_sync(ts->input);
942 #endif
943 }
944 #endif
945
glsx680_ts_irq_disable(struct gsl_ts * ts)946 void glsx680_ts_irq_disable(struct gsl_ts *ts)
947 {
948 unsigned long irqflags;
949
950 spin_lock_irqsave(&ts->irq_lock, irqflags);
951 if (!ts->flag_irq_is_disable) {
952 disable_irq_nosync(ts->client->irq);
953 ts->flag_irq_is_disable = 1;
954 }
955 spin_unlock_irqrestore(&ts->irq_lock, irqflags);
956 }
957
glsx680_ts_irq_enable(struct gsl_ts * ts)958 void glsx680_ts_irq_enable(struct gsl_ts *ts)
959 {
960 unsigned long irqflags = 0;
961
962 spin_lock_irqsave(&ts->irq_lock, irqflags);
963 if (ts->flag_irq_is_disable) {
964 enable_irq(ts->client->irq);
965 ts->flag_irq_is_disable = 0;
966 }
967 spin_unlock_irqrestore(&ts->irq_lock, irqflags);
968 }
969
gslX680_ts_worker(struct work_struct * work)970 static void gslX680_ts_worker(struct work_struct *work)
971 {
972 int rc, i;
973 u8 id, touches;
974 u16 x, y;
975
976 #ifdef GSL_NOID_VERSION
977 u32 tmp1;
978 u8 buf[4] = { 0 };
979 struct gsl_touch_info cinfo;
980 #endif
981
982 struct gsl_ts *ts = container_of(work, struct gsl_ts, work);
983
984 #ifdef TPD_PROC_DEBUG
985 if (gsl_proc_flag == 1)
986 goto schedule;
987 #endif
988
989 #ifdef GSL_MONITOR
990 if (i2c_lock_flag != 0)
991 goto i2c_lock_schedule;
992 else
993 i2c_lock_flag = 1;
994 #endif
995
996 rc = gsl_ts_read(ts->client, 0x80, ts->touch_data, ts->dd->data_size);
997 if (rc < 0) {
998 dev_err(&ts->client->dev, "read failed\n");
999 goto schedule;
1000 }
1001
1002 touches = ts->touch_data[ts->dd->touch_index];
1003 //print_info("-----touches: %d -----\n", touches);
1004 #ifdef GSL_NOID_VERSION
1005
1006 cinfo.finger_num = touches;
1007 //print_info("tp-gsl finger_num = %d\n",cinfo.finger_num);
1008 for (i = 0; i < (touches < MAX_CONTACTS ? touches : MAX_CONTACTS); i++) {
1009 cinfo.x[i] =
1010 join_bytes((ts->
1011 touch_data[ts->dd->x_index + 4 * i + 1] & 0xf),
1012 ts->touch_data[ts->dd->x_index + 4 * i]);
1013 cinfo.y[i] =
1014 join_bytes(ts->touch_data[ts->dd->y_index + 4 * i + 1],
1015 ts->touch_data[ts->dd->y_index + 4 * i]);
1016 cinfo.id[i] =
1017 ((ts->touch_data[ts->dd->x_index + 4 * i + 1] & 0xf0) >> 4);
1018 /*print_info("tp-gsl before: x[%d] = %d, y[%d] = %d,
1019 id[%d] = %d \n",i,cinfo.x[i],i,cinfo.y[i],i,cinfo.id[i]);*/
1020 }
1021 cinfo.finger_num = (ts->touch_data[3] << 24) | (ts->touch_data[2] << 16)
1022 | (ts->touch_data[1] << 8) | (ts->touch_data[0]);
1023 gsl_alg_id_main(&cinfo);
1024 tmp1 = gsl_mask_tiaoping();
1025 //print_info("[tp-gsl] tmp1 = %x\n", tmp1);
1026 if (tmp1 > 0 && tmp1 < 0xffffffff) {
1027 buf[0] = 0xa;
1028 buf[1] = 0;
1029 buf[2] = 0;
1030 buf[3] = 0;
1031 gsl_ts_write(ts->client, 0xf0, buf, 4);
1032 buf[0] = (u8) (tmp1 & 0xff);
1033 buf[1] = (u8) ((tmp1 >> 8) & 0xff);
1034 buf[2] = (u8) ((tmp1 >> 16) & 0xff);
1035 buf[3] = (u8) ((tmp1 >> 24) & 0xff);
1036 print_info("tmp1=%08x,buf[0]=%02x,buf[1]=%02x,buf[2]=%02x, \
1037 buf[3]=%02x\n", tmp1, buf[0], buf[1], buf[2], buf[3]);
1038 gsl_ts_write(ts->client, 0x8, buf, 4);
1039 }
1040 touches = cinfo.finger_num;
1041 #endif
1042
1043 for (i = 1; i <= MAX_CONTACTS; i++) {
1044 if (touches == 0)
1045 id_sign[i] = 0;
1046 id_state_flag[i] = 0;
1047 }
1048 for (i = 0; i < (touches > MAX_FINGERS ? MAX_FINGERS : touches); i++) {
1049 #ifdef GSL_NOID_VERSION
1050 id = cinfo.id[i];
1051 x = cinfo.x[i];
1052 y = cinfo.y[i];
1053 #else
1054 x = join_bytes((ts->
1055 touch_data[ts->dd->x_index + 4 * i + 1] & 0xf),
1056 ts->touch_data[ts->dd->x_index + 4 * i]);
1057 y = join_bytes(ts->touch_data[ts->dd->y_index + 4 * i + 1],
1058 ts->touch_data[ts->dd->y_index + 4 * i]);
1059 id = ts->touch_data[ts->dd->id_index + 4 * i] >> 4;
1060 #endif
1061
1062 if (1 <= id && id <= MAX_CONTACTS) {
1063 #ifdef FILTER_POINT
1064 filter_point(x, y, id);
1065 #else
1066 record_point(x, y, id);
1067 #endif
1068 #ifdef RK_GEAR_TOUCH
1069 report_data(ts, x_new, y_new, 10, id);
1070 #endif
1071 if (key_count < 512) {
1072 key_x[key_count] = x_new;
1073 key_y[key_count] = y_new;
1074 key_count++;
1075 /*printk("test in key store in here,
1076 x_new is %d , y_new is %d ,
1077 key_count is %d \n", x_new ,y_new,key_count);*/
1078 }
1079 id_state_flag[id] = 1;
1080 }
1081 }
1082 for (i = 1; i <= MAX_CONTACTS; i++) {
1083 if ((0 == touches)
1084 || ((0 != id_state_old_flag[i])
1085 && (0 == id_state_flag[i]))) {
1086 #ifdef RK_GEAR_TOUCH
1087 if (g_istouch == 1){
1088 g_istouch = 0;
1089 input_event(ts->input, EV_MSC, MSC_SCAN, 0x90001);
1090 input_report_key(ts->input, 0x110, 0);
1091 input_sync(ts->input);
1092 }
1093 g_istouch = 0;
1094 #endif
1095 #ifdef REPORT_DATA_ANDROID_4_0
1096 input_mt_slot(ts->input, i);
1097 //input_report_abs(ts->input, ABS_MT_TRACKING_ID, -1);
1098 input_mt_report_slot_state(ts->input, MT_TOOL_FINGER,
1099 false);
1100 #endif
1101 id_sign[i] = 0;
1102 }
1103 id_state_old_flag[i] = id_state_flag[i];
1104 }
1105
1106 if (0 == touches) {
1107 #ifdef REPORT_DATA_ANDROID_4_0
1108 #ifndef RK_GEAR_TOUCH
1109 //input_report_abs(ts->input, ABS_MT_TOUCH_MAJOR, 0);
1110 //input_report_abs(ts->input, ABS_MT_WIDTH_MAJOR, 0);
1111 //input_mt_sync(ts->input);
1112
1113 int temp_x = 0;
1114 int temp_y = 0;
1115 temp_x =
1116 (((key_x[key_count - 1] - key_x[0]) >
1117 0) ? (key_x[key_count - 1] - key_x[0])
1118 : (key_x[0] - key_x[key_count - 1]));
1119 temp_y =
1120 (((key_y[key_count - 1] - key_y[0]) >
1121 0) ? (key_y[key_count - 1] - key_y[0])
1122 : (key_y[0] - key_y[key_count - 1]));
1123 if (key_count <= 512) {
1124 if (temp_x > temp_y) {
1125 if ((key_x[key_count - 1] - key_x[0]) > 100) {
1126 printk(" send up key \n");
1127 input_report_key(ts->input,
1128 key_array[2], 1);
1129 input_sync(ts->input);
1130 input_report_key(ts->input,
1131 key_array[2], 0);
1132 input_sync(ts->input);
1133 } else if ((key_x[0] - key_x[key_count - 1]) >
1134 100) {
1135 printk(" send down key \n");
1136 input_report_key(ts->input,
1137 key_array[3], 1);
1138 input_sync(ts->input);
1139 input_report_key(ts->input,
1140 key_array[3], 0);
1141 input_sync(ts->input);
1142 }
1143 } else if (temp_x <= temp_y) {
1144 if ((key_y[key_count - 1] - key_y[0]) > 100) {
1145 printk(" send left key \n");
1146 input_report_key(ts->input,
1147 key_array[0], 1);
1148 input_sync(ts->input);
1149 input_report_key(ts->input,
1150 key_array[0], 0);
1151 input_sync(ts->input);
1152 } else if ((key_y[0] - key_y[key_count - 1]) >
1153 100) {
1154 printk(" send right key \n");
1155 input_report_key(ts->input,
1156 key_array[1], 1);
1157 input_sync(ts->input);
1158 input_report_key(ts->input,
1159 key_array[1], 0);
1160 input_sync(ts->input);
1161 }
1162 }
1163 /*printk(" key_x[key_count -1], key_x[0],
1164 key_y[key_count -1], key_y[0] is %d ,%d , %d , %d\n",
1165 key_x[key_count -1], key_x[0], key_y[key_count -1],
1166 key_y[0]);*/
1167 if ((key_x[key_count - 1] - key_x[0] < 50)
1168 && (key_x[key_count - 1] - key_x[0] >= -50)
1169 && (key_y[key_count - 1] - key_y[0] < 50)
1170 && (key_y[key_count - 1] - key_y[0] >= -50)
1171 && (key_x[0] != 0) && (key_y[0] != 0)) {
1172 //queue_work(gsl_timer_workqueue,&ts->click_work);
1173 //printk(" send enter2 key by yuandan \n");
1174 //if(send_key)
1175 // {
1176 printk(" send enter key \n");
1177 input_report_key(ts->input, key_array[4], 1);
1178 input_sync(ts->input);
1179 input_report_key(ts->input, key_array[4], 0);
1180 input_sync(ts->input);
1181 // }else
1182 // {
1183 //down(&my_sem);
1184 // send_key = true;
1185 //up(&my_sem);
1186 // }
1187 }
1188 } else if (key_count > 512) {
1189 if (temp_x > temp_y) {
1190 if ((key_x[511] - key_x[0]) > 100) {
1191 printk(" send up key \n");
1192 input_report_key(ts->input,
1193 key_array[2], 1);
1194 input_sync(ts->input);
1195 input_report_key(ts->input,
1196 key_array[2], 0);
1197 input_sync(ts->input);
1198 } else if ((key_x[0] - key_x[511]) > 100) {
1199 printk(" send down key \n");
1200 input_report_key(ts->input,
1201 key_array[3], 1);
1202 input_sync(ts->input);
1203 input_report_key(ts->input,
1204 key_array[3], 0);
1205 input_sync(ts->input);
1206 }
1207 } else if (temp_x <= temp_y) {
1208
1209 if ((key_y[511] - key_y[0]) > 100) {
1210 printk(" send left key \n");
1211 input_report_key(ts->input,
1212 key_array[0], 1);
1213 input_sync(ts->input);
1214 input_report_key(ts->input,
1215 key_array[0], 0);
1216 input_sync(ts->input);
1217 } else if ((key_y[0] - key_y[511]) > 100) {
1218 printk(" send right key \n");
1219 input_report_key(ts->input,
1220 key_array[1], 1);
1221 input_sync(ts->input);
1222 input_report_key(ts->input,
1223 key_array[1], 0);
1224 input_sync(ts->input);
1225 }
1226 }
1227 }
1228 memset(key_y, 0, sizeof(int) * 512);
1229 memset(key_x, 0, sizeof(int) * 512);
1230 key_count = 0;
1231 #endif
1232 #endif
1233 #ifdef HAVE_TOUCH_KEY
1234 if (key_state_flag) {
1235 input_report_key(ts->input, key, 0);
1236 input_sync(ts->input);
1237 key_state_flag = 0;
1238 }
1239 #endif
1240
1241 }
1242
1243 input_sync(ts->input);
1244
1245 schedule:
1246 #ifdef GSL_MONITOR
1247 i2c_lock_flag = 0;
1248 i2c_lock_schedule:
1249 #endif
1250 glsx680_ts_irq_enable(ts);
1251
1252 }
1253
1254 #ifdef HAVE_CLICK_TIMER
1255
click_timer_worker(struct work_struct * work)1256 static void click_timer_worker(struct work_struct *work)
1257 {
1258 while (true) {
1259 mdelay(500);
1260 //down(&my_sem);
1261 send_key = false;
1262 //up(&my_sem);
1263 }
1264 }
1265
1266 #endif
1267
1268 #ifdef GSL_MONITOR
gsl_monitor_worker(struct work_struct * work)1269 static void gsl_monitor_worker(struct work_struct *work)
1270 {
1271 //u8 write_buf[4] = {0};
1272 u8 read_buf[4] = { 0 };
1273 char init_chip_flag = 0;
1274
1275 //print_info("gsl_monitor_worker\n");
1276 struct gsl_ts *ts =
1277 container_of(work, struct gsl_ts, gsl_monitor_work.work);
1278 if (i2c_lock_flag != 0) {
1279 i2c_lock_flag = 1;
1280 }
1281 //goto queue_monitor_work;
1282 else
1283 i2c_lock_flag = 1;
1284
1285 //gsl_ts_read(ts->client, 0x80, read_buf, 4);
1286 /*printk("======read 0x80: %x %x %x %x ======tony0geshu\n",
1287 read_buf[3], read_buf[2], read_buf[1], read_buf[0]);*/
1288
1289 gsl_ts_read(ts->client, 0xb0, read_buf, 4);
1290 if (read_buf[3] != 0x5a || read_buf[2] != 0x5a || read_buf[1] != 0x5a
1291 || read_buf[0] != 0x5a)
1292 b0_counter++;
1293 else
1294 b0_counter = 0;
1295
1296 if (b0_counter > 1) {
1297 /*printk("======read 0xb0: %x %x %x %x ======\n",
1298 read_buf[3], read_buf[2], read_buf[1], read_buf[0]);*/
1299 init_chip_flag = 1;
1300 b0_counter = 0;
1301 }
1302
1303 gsl_ts_read(ts->client, 0xb4, read_buf, 4);
1304 int_2nd[3] = int_1st[3];
1305 int_2nd[2] = int_1st[2];
1306 int_2nd[1] = int_1st[1];
1307 int_2nd[0] = int_1st[0];
1308 int_1st[3] = read_buf[3];
1309 int_1st[2] = read_buf[2];
1310 int_1st[1] = read_buf[1];
1311 int_1st[0] = read_buf[0];
1312
1313 /*printk("int_1st: %x %x %x %x , int_2nd: %x %x %x %x\n",
1314 int_1st[3], int_1st[2], int_1st[1], int_1st[0],
1315 int_2nd[3], int_2nd[2],int_2nd[1],int_2nd[0]);*/
1316
1317 if (int_1st[3] == int_2nd[3] && int_1st[2] == int_2nd[2]
1318 && int_1st[1] == int_2nd[1] && int_1st[0] == int_2nd[0]) {
1319 /*printk("int_1st: %x %x %x %x , int_2nd: %x %x %x %x\n",
1320 int_1st[3], int_1st[2], int_1st[1], int_1st[0],
1321 int_2nd[3], int_2nd[2],int_2nd[1],int_2nd[0]);*/
1322 init_chip_flag = 1;
1323 //goto queue_monitor_init_chip;
1324 }
1325
1326 gsl_ts_read(ts->client, 0xbc, read_buf, 4);
1327 if (read_buf[3] != 0 || read_buf[2] != 0 || read_buf[1] != 0
1328 || read_buf[0] != 0)
1329 bc_counter++;
1330 else
1331 bc_counter = 0;
1332 if (bc_counter > 1) {
1333 /*printk("======read 0xbc: %x %x %x %x======\n",
1334 read_buf[3], read_buf[2], read_buf[1], read_buf[0]);*/
1335 init_chip_flag = 1;
1336 bc_counter = 0;
1337 }
1338
1339 /*
1340 write_buf[3] = 0x01;
1341 write_buf[2] = 0xfe;
1342 write_buf[1] = 0x10;
1343 write_buf[0] = 0x00;
1344 gsl_ts_write(ts->client, 0xf0, write_buf, 4);
1345 gsl_ts_read(ts->client, 0x10, read_buf, 4);
1346 gsl_ts_read(ts->client, 0x10, read_buf, 4);
1347
1348 if(read_buf[3] < 10
1349 && read_buf[2] < 10
1350 && read_buf[1] < 10
1351 && read_buf[0] < 10)
1352 dac_counter ++;
1353 else
1354 dac_counter = 0;
1355
1356 if(dac_counter > 1)
1357 {
1358 printk("read DAC1_0: %x %x %x %x\n",
1359 read_buf[3], read_buf[2], read_buf[1], read_buf[0]);
1360 init_chip_flag = 1;
1361 dac_counter = 0;
1362 }
1363 */
1364 //queue_monitor_init_chip:
1365 if (init_chip_flag)
1366 init_chip(ts->client, ts);
1367
1368 i2c_lock_flag = 0;
1369
1370 //queue_monitor_work:
1371 //queue_delayed_work(gsl_monitor_workqueue, &ts->gsl_monitor_work, 100);
1372 }
1373 #endif
1374
gsl_ts_irq(int irq,void * dev_id)1375 static irqreturn_t gsl_ts_irq(int irq, void *dev_id)
1376 {
1377 ///struct gsl_ts *ts = dev_id;
1378 struct gsl_ts *ts = (struct gsl_ts *)dev_id;
1379 //print_info("========gslX680 Interrupt=========\n");
1380
1381 glsx680_ts_irq_disable(ts);
1382
1383 if (!work_pending(&ts->work)) {
1384 queue_work(ts->wq, &ts->work);
1385 }
1386
1387 return IRQ_HANDLED;
1388
1389 }
1390
gslX680_ts_init(struct i2c_client * client,struct gsl_ts * ts)1391 static int gslX680_ts_init(struct i2c_client *client, struct gsl_ts *ts)
1392 {
1393 struct input_dev *input_device;
1394 int rc = 0;
1395 int i = 0;
1396 int max_x = ts->ts_cfg->max_x;
1397 int max_y = ts->ts_cfg->max_y;
1398
1399 printk("[GSLX680] Enter %s\n", __func__);
1400
1401 ts->dd = &devices[ts->device_id];
1402
1403 if (ts->device_id == 0) {
1404 ts->dd->data_size =
1405 MAX_FINGERS * ts->dd->touch_bytes + ts->dd->touch_meta_data;
1406 ts->dd->touch_index = 0;
1407 }
1408
1409 ts->touch_data =
1410 devm_kzalloc(&client->dev, ts->dd->data_size, GFP_KERNEL);
1411 if (!ts->touch_data) {
1412 pr_err("%s: Unable to allocate memory\n", __func__);
1413 return -ENOMEM;
1414 }
1415
1416 input_device = devm_input_allocate_device(&ts->client->dev);
1417 if (!input_device) {
1418 rc = -ENOMEM;
1419 goto init_err_ret;
1420 }
1421
1422 ts->input = input_device;
1423 input_device->name = GSLX680_I2C_NAME;
1424 input_device->id.bustype = BUS_I2C;
1425 input_device->dev.parent = &client->dev;
1426 input_set_drvdata(input_device, ts);
1427
1428 #ifdef REPORT_DATA_ANDROID_4_0
1429 __set_bit(EV_ABS, input_device->evbit);
1430 __set_bit(EV_KEY, input_device->evbit);
1431 __set_bit(EV_REP, input_device->evbit);
1432 __set_bit(EV_SYN, input_device->evbit);
1433 __set_bit(INPUT_PROP_DIRECT, input_device->propbit);
1434 __set_bit(MT_TOOL_FINGER, input_device->keybit);
1435 input_mt_init_slots(input_device, (MAX_CONTACTS + 1), 0);
1436 #else
1437 input_set_abs_params(input_device, ABS_MT_TRACKING_ID, 0,
1438 (MAX_CONTACTS + 1), 0, 0);
1439 set_bit(EV_ABS, input_device->evbit);
1440 set_bit(EV_KEY, input_device->evbit);
1441 __set_bit(INPUT_PROP_DIRECT, input_device->propbit);
1442 input_device->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
1443 #endif
1444
1445 #ifdef HAVE_TOUCH_KEY
1446 input_device->evbit[0] = BIT_MASK(EV_KEY);
1447 /*input_device->evbit[0] = BIT_MASK(EV_SYN)
1448 | BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);*/
1449 for (i = 0; i < MAX_KEY_NUM; i++)
1450 set_bit(key_array[i], input_device->keybit);
1451 #endif
1452
1453 #ifdef RK_GEAR_TOUCH
1454 set_bit(EV_REL, input_device->evbit);
1455 input_set_capability(input_device, EV_REL, REL_X);
1456 input_set_capability(input_device, EV_REL, REL_Y);
1457 input_set_capability(input_device, EV_MSC, MSC_SCAN);
1458 input_set_capability(input_device, EV_KEY, 0x110);
1459 #endif
1460
1461 set_bit(ABS_MT_POSITION_X, input_device->absbit);
1462 set_bit(ABS_MT_POSITION_Y, input_device->absbit);
1463 set_bit(ABS_MT_TOUCH_MAJOR, input_device->absbit);
1464 set_bit(ABS_MT_WIDTH_MAJOR, input_device->absbit);
1465
1466 input_set_abs_params(input_device, ABS_MT_POSITION_X, 0, max_x,
1467 0, 0);
1468 input_set_abs_params(input_device, ABS_MT_POSITION_Y, 0, max_y,
1469 0, 0);
1470 input_set_abs_params(input_device, ABS_MT_TOUCH_MAJOR, 0, PRESS_MAX, 0,
1471 0);
1472 input_set_abs_params(input_device, ABS_MT_WIDTH_MAJOR, 0, 200, 0, 0);
1473
1474 //client->irq = IRQ_PORT;
1475 //ts->irq = client->irq;
1476
1477 ts->wq = create_singlethread_workqueue("kworkqueue_ts");
1478 if (!ts->wq) {
1479 dev_err(&client->dev, "gsl Could not create workqueue\n");
1480 goto init_err_ret;
1481 }
1482 flush_workqueue(ts->wq);
1483
1484 INIT_WORK(&ts->work, gslX680_ts_worker);
1485
1486 rc = input_register_device(input_device);
1487 if (rc)
1488 goto error_unreg_device;
1489
1490 return 0;
1491
1492 error_unreg_device:
1493 destroy_workqueue(ts->wq);
1494 init_err_ret:
1495 return rc;
1496 }
1497
1498 #if 0
1499 static int gsl_ts_suspend(struct i2c_client *dev, pm_message_t mesg)
1500 {
1501 #if 0
1502 struct gsl_ts *ts = dev_get_drvdata(dev);
1503
1504 printk("I'am in gsl_ts_suspend() start\n");
1505
1506 #ifdef GSL_MONITOR
1507 printk("gsl_ts_suspend () : cancel gsl_monitor_work\n");
1508 cancel_delayed_work_sync(&ts->gsl_monitor_work);
1509 #endif
1510
1511 #ifdef HAVE_CLICK_TIMER
1512 //cancel_work_sync(&ts->click_work);
1513 #endif
1514 disable_irq_nosync(ts->irq);
1515
1516 gslX680_shutdown_low(ts);
1517
1518 #ifdef SLEEP_CLEAR_POINT
1519 mdelay(10);
1520 #ifdef REPORT_DATA_ANDROID_4_0
1521 for (i = 1; i <= MAX_CONTACTS; i++) {
1522 input_mt_slot(ts->input, i);
1523 input_report_abs(ts->input, ABS_MT_TRACKING_ID, -1);
1524 input_mt_report_slot_state(ts->input, MT_TOOL_FINGER, false);
1525 }
1526 #else
1527 input_mt_sync(ts->input);
1528 #endif
1529 input_sync(ts->input);
1530 mdelay(10);
1531 report_data(ts, 1, 1, 10, 1);
1532 input_sync(ts->input);
1533 #endif
1534
1535 #endif
1536 return 0;
1537 }
1538 #endif
1539
1540 #if 0
1541 static int gsl_ts_resume(struct i2c_client *dev)
1542 {
1543 #if 0
1544 struct gsl_ts *ts = dev_get_drvdata(dev);
1545
1546 printk("I'am in gsl_ts_resume() start\n");
1547
1548 gslX680_shutdown_high(ts);
1549 msleep(20);
1550 reset_chip(ts->client);
1551 startup_chip(ts->client);
1552 check_mem_data(ts->client, ts);
1553
1554 #ifdef SLEEP_CLEAR_POINT
1555 #ifdef REPORT_DATA_ANDROID_4_0
1556 for (i = 1; i <= MAX_CONTACTS; i++) {
1557 input_mt_slot(ts->input, i);
1558 input_report_abs(ts->input, ABS_MT_TRACKING_ID, -1);
1559 input_mt_report_slot_state(ts->input, MT_TOOL_FINGER, false);
1560 }
1561 #else
1562 input_mt_sync(ts->input);
1563 #endif
1564 input_sync(ts->input);
1565 #endif
1566 #ifdef GSL_MONITOR
1567 printk("gsl_ts_resume () : queue gsl_monitor_work\n");
1568 queue_delayed_work(gsl_monitor_workqueue, &ts->gsl_monitor_work, 300);
1569 #endif
1570
1571 #ifdef HAVE_CLICK_TIMER
1572 //queue_work(gsl_timer_workqueue,&ts->click_work);
1573 #endif
1574
1575 disable_irq_nosync(ts->irq);
1576 enable_irq(ts->irq);
1577 #endif
1578
1579 return 0;
1580 }
1581 #endif
1582
gsl_ts_early_suspend(struct tp_device * tp_d)1583 static int gsl_ts_early_suspend(struct tp_device *tp_d)
1584 {
1585 struct gsl_ts *ts = container_of(tp_d, struct gsl_ts, tp);
1586 printk("[GSLX680] Enter %s\n", __func__);
1587 //gsl_ts_suspend(&ts->client->dev);
1588 #ifdef GSL_MONITOR
1589 printk("gsl_ts_suspend () : cancel gsl_monitor_work\n");
1590 cancel_delayed_work_sync(&ts->gsl_monitor_work);
1591 #endif
1592
1593 glsx680_ts_irq_disable(ts);
1594 cancel_work_sync(&ts->work);
1595
1596 #ifdef SLEEP_CLEAR_POINT
1597 msleep(10);
1598 #ifdef REPORT_DATA_ANDROID_4_0
1599 for (i = 1; i <= MAX_CONTACTS; i++) {
1600 input_mt_slot(ts->input, i);
1601 input_report_abs(ts->input, ABS_MT_TRACKING_ID, -1);
1602 input_mt_report_slot_state(ts->input, MT_TOOL_FINGER, false);
1603 }
1604 #else
1605 input_mt_sync(ts->input);
1606 #endif
1607 input_sync(ts->input);
1608 msleep(10);
1609 report_data(ts, 1, 1, 10, 1);
1610 input_sync(ts->input);
1611 #endif
1612 gslX680_shutdown_low(ts);
1613 return 0;
1614 }
1615
gsl_ts_late_resume(struct tp_device * tp_d)1616 static int gsl_ts_late_resume(struct tp_device *tp_d)
1617 {
1618 struct gsl_ts *ts = container_of(tp_d, struct gsl_ts, tp);
1619 printk("[GSLX680] Enter %s\n", __func__);
1620 //gsl_ts_resume(&ts->client->dev);
1621
1622 printk("I'am in gsl_ts_resume() start\n");
1623
1624 gslX680_shutdown_high(ts);
1625 msleep(20);
1626 reset_chip(ts->client);
1627 startup_chip(ts->client);
1628 check_mem_data(ts->client, ts);
1629
1630 #ifdef SLEEP_CLEAR_POINT
1631 #ifdef REPORT_DATA_ANDROID_4_0
1632 for (i = 1; i <= MAX_CONTACTS; i++) {
1633 input_mt_slot(ts->input, i);
1634 input_report_abs(ts->input, ABS_MT_TRACKING_ID, -1);
1635 input_mt_report_slot_state(ts->input, MT_TOOL_FINGER, false);
1636 }
1637 #else
1638 input_mt_sync(ts->input);
1639 #endif
1640 input_sync(ts->input);
1641 #endif
1642 #ifdef GSL_MONITOR
1643 printk("gsl_ts_resume () : queue gsl_monitor_work\n");
1644 queue_delayed_work(gsl_monitor_workqueue, &ts->gsl_monitor_work, 300);
1645 #endif
1646 glsx680_ts_irq_enable(ts);
1647
1648 return 0;
1649 }
1650
1651 #ifdef CONFIG_HAS_EARLYSUSPEND
1652
gsl_ts_early_suspend(struct early_suspend * h)1653 static void gsl_ts_early_suspend(struct early_suspend *h)
1654 {
1655 struct gsl_ts *ts = container_of(h, struct gsl_ts, early_suspend);
1656 printk("[GSLX680] Enter %s\n", __func__);
1657 //gsl_ts_suspend(&ts->client->dev);
1658 #ifdef GSL_MONITOR
1659 printk("gsl_ts_suspend () : cancel gsl_monitor_work\n");
1660 cancel_delayed_work_sync(&ts->gsl_monitor_work);
1661 #endif
1662
1663 glsx680_ts_irq_disable(ts);
1664 cancel_work_sync(&ts->work);
1665
1666 #ifdef SLEEP_CLEAR_POINT
1667 msleep(10);
1668 #ifdef REPORT_DATA_ANDROID_4_0
1669 for (i = 1; i <= MAX_CONTACTS; i++) {
1670 input_mt_slot(ts->input, i);
1671 input_report_abs(ts->input, ABS_MT_TRACKING_ID, -1);
1672 input_mt_report_slot_state(ts->input, MT_TOOL_FINGER, false);
1673 }
1674 #else
1675 input_mt_sync(ts->input);
1676 #endif
1677 input_sync(ts->input);
1678 msleep(10);
1679 report_data(ts, 1, 1, 10, 1);
1680 input_sync(ts->input);
1681 #endif
1682 gslX680_shutdown_low(ts);
1683 return 0;
1684 }
1685
gsl_ts_late_resume(struct early_suspend * h)1686 static void gsl_ts_late_resume(struct early_suspend *h)
1687 {
1688 struct gsl_ts *ts = container_of(h, struct gsl_ts, early_suspend);
1689 printk("[GSLX680] Enter %s\n", __func__);
1690 //gsl_ts_resume(&ts->client->dev);
1691 int i;
1692
1693 printk("I'am in gsl_ts_resume() start\n");
1694
1695 gslX680_shutdown_high(ts);
1696 msleep(20);
1697 reset_chip(ts->client);
1698 startup_chip(ts->client);
1699 check_mem_data(ts->client, ts);
1700
1701 #ifdef SLEEP_CLEAR_POINT
1702 #ifdef REPORT_DATA_ANDROID_4_0
1703 for (i = 1; i <= MAX_CONTACTS; i++) {
1704 input_mt_slot(ts->input, i);
1705 input_report_abs(ts->input, ABS_MT_TRACKING_ID, -1);
1706 input_mt_report_slot_state(ts->input, MT_TOOL_FINGER, false);
1707 }
1708 #else
1709 input_mt_sync(ts->input);
1710 #endif
1711 input_sync(ts->input);
1712 #endif
1713 #ifdef GSL_MONITOR
1714 printk("gsl_ts_resume () : queue gsl_monitor_work\n");
1715 queue_delayed_work(gsl_monitor_workqueue, &ts->gsl_monitor_work, 300);
1716 #endif
1717 glsx680_ts_irq_enable(ts);
1718
1719 }
1720 #endif
1721
1722 //static struct wake_lock touch_wakelock;
1723
1724 static const struct of_device_id gsl_ts_ids[] = {
1725 { .compatible = "gslX680", .data = &gslx680_vr_cfg },
1726 { .compatible = "gslX680_tve", .data = &gslx680_tve_cfg },
1727 {}
1728 };
1729
gsl_ts_probe(struct i2c_client * client,const struct i2c_device_id * id)1730 static int gsl_ts_probe(struct i2c_client *client,
1731 const struct i2c_device_id *id)
1732 {
1733 const struct of_device_id *match;
1734 struct gsl_ts *ts;
1735 int rc;
1736
1737 printk("GSLX680 Enter %s\n", __func__);
1738 //wake_lock_init(&touch_wakelock, WAKE_LOCK_SUSPEND, "touch");
1739 //wake_lock(&touch_wakelock); //system do not enter deep sleep
1740 if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
1741 dev_err(&client->dev, "gsl I2C functionality not supported\n");
1742 return -ENODEV;
1743 }
1744
1745 ts = devm_kzalloc(&client->dev, sizeof(*ts), GFP_KERNEL);
1746 if (!ts)
1747 return -ENOMEM;
1748
1749 match = of_match_device(of_match_ptr(gsl_ts_ids), &client->dev);
1750 if (!match)
1751 return -EINVAL;
1752
1753 ts->ts_cfg = (const struct gsl_ts_cfg *)match->data;
1754
1755 ts->tp.tp_suspend = gsl_ts_early_suspend;
1756 ts->tp.tp_resume = gsl_ts_late_resume;
1757 tp_register_fb(&ts->tp);
1758
1759 ts->client = client;
1760 i2c_set_clientdata(client, ts);
1761 //ts->device_id = id->driver_data;
1762
1763 gslX680_init(ts);
1764 rc = gslX680_ts_init(client, ts);
1765 if (rc < 0) {
1766 dev_err(&client->dev, "gsl GSLX680 init failed\n");
1767 goto porbe_err_ret;
1768 }
1769 //#ifdef GSLX680_COMPATIBLE
1770 // judge_chip_type(client);
1771 //#endif
1772 //printk("##################### probe [2]chip_type=%c .\n",chip_type);
1773 init_chip(ts->client, ts);
1774 check_mem_data(ts->client, ts);
1775 spin_lock_init(&ts->irq_lock);
1776 client->irq = gpio_to_irq(ts->irq);
1777 rc = request_irq(client->irq, gsl_ts_irq, IRQF_TRIGGER_RISING,
1778 client->name, ts);
1779 if (rc < 0) {
1780 printk("gsl_probe: request irq failed\n");
1781 goto porbe_err_ret;
1782 }
1783
1784 /* create debug attribute */
1785 //rc = device_create_file(&ts->input->dev, &dev_attr_debug_enable);
1786
1787 #ifdef CONFIG_HAS_EARLYSUSPEND
1788
1789 ts->early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN + 1;
1790 //ts->early_suspend.level = EARLY_SUSPEND_LEVEL_DISABLE_FB + 1;
1791 ts->early_suspend.suspend = gsl_ts_early_suspend;
1792 ts->early_suspend.resume = gsl_ts_late_resume;
1793 register_early_suspend(&ts->early_suspend);
1794 #endif
1795
1796 #ifdef GSL_MONITOR
1797
1798 INIT_DELAYED_WORK(&ts->gsl_monitor_work, gsl_monitor_worker);
1799 gsl_monitor_workqueue =
1800 create_singlethread_workqueue("gsl_monitor_workqueue");
1801 queue_delayed_work(gsl_monitor_workqueue, &ts->gsl_monitor_work, 1000);
1802 #endif
1803
1804 #ifdef HAVE_CLICK_TIMER
1805 sema_init(&my_sem, 1);
1806 INIT_WORK(&ts->click_work, click_timer_worker);
1807 gsl_timer_workqueue = create_singlethread_workqueue("click_timer");
1808 queue_work(gsl_timer_workqueue, &ts->click_work);
1809 #endif
1810
1811 #ifdef TPD_PROC_DEBUG
1812 #if 0
1813 gsl_config_proc = create_proc_entry(GSL_CONFIG_PROC_FILE, 0666, NULL);
1814 printk("[tp-gsl] [%s] gsl_config_proc = %x \n", __func__,
1815 gsl_config_proc);
1816 if (gsl_config_proc == NULL) {
1817 print_info("create_proc_entry %s failed\n",
1818 GSL_CONFIG_PROC_FILE);
1819 } else {
1820 gsl_config_proc->read_proc = gsl_config_read_proc;
1821 gsl_config_proc->write_proc = gsl_config_write_proc;
1822 }
1823 #else
1824 i2c_client = client;
1825 proc_create(GSL_CONFIG_PROC_FILE, 0666, NULL, &gsl_seq_fops);
1826 #endif
1827 gsl_proc_flag = 0;
1828 #endif
1829 //disable_irq_nosync(->irq);
1830 printk("[GSLX680] End %s\n", __func__);
1831
1832 return 0;
1833
1834 porbe_err_ret:
1835 return rc;
1836 }
1837
gsl_ts_remove(struct i2c_client * client)1838 static int gsl_ts_remove(struct i2c_client *client)
1839 {
1840 struct gsl_ts *ts = i2c_get_clientdata(client);
1841
1842 #ifdef CONFIG_HAS_EARLYSUSPEND
1843 unregister_early_suspend(&ts->early_suspend);
1844 #endif
1845
1846 #ifdef GSL_MONITOR
1847 cancel_delayed_work_sync(&ts->gsl_monitor_work);
1848 destroy_workqueue(gsl_monitor_workqueue);
1849 #endif
1850
1851 #ifdef HAVE_CLICK_TIMER
1852 cancel_work_sync(&ts->click_work);
1853 destroy_workqueue(gsl_timer_workqueue);
1854 #endif
1855
1856 device_init_wakeup(&client->dev, 0);
1857 cancel_work_sync(&ts->work);
1858 free_irq(ts->client->irq, ts);
1859 destroy_workqueue(ts->wq);
1860 //device_remove_file(&ts->input->dev, &dev_attr_debug_enable);
1861
1862 return 0;
1863 }
1864
1865 static const struct i2c_device_id gsl_ts_id[] = {
1866 {GSLX680_I2C_NAME, 0},
1867 {}
1868 };
1869
1870 MODULE_DEVICE_TABLE(i2c, gsl_ts_id);
1871
1872 static struct i2c_driver gsl_ts_driver = {
1873 .driver = {
1874 .name = GSLX680_I2C_NAME,
1875 .owner = THIS_MODULE,
1876 .of_match_table = of_match_ptr(gsl_ts_ids),
1877 },
1878 #if 0 //ndef CONFIG_HAS_EARLYSUSPEND
1879 .suspend = gsl_ts_suspend,
1880 .resume = gsl_ts_resume,
1881 #endif
1882 .probe = gsl_ts_probe,
1883 .remove = gsl_ts_remove,
1884 .id_table = gsl_ts_id,
1885 };
1886
gsl_ts_init(void)1887 static int __init gsl_ts_init(void)
1888 {
1889 int ret;
1890 ret = i2c_add_driver(&gsl_ts_driver);
1891 return ret;
1892 }
gsl_ts_exit(void)1893 static void __exit gsl_ts_exit(void)
1894 {
1895 i2c_del_driver(&gsl_ts_driver);
1896 return;
1897 }
1898
1899 module_init(gsl_ts_init);
1900 module_exit(gsl_ts_exit);
1901
1902 MODULE_LICENSE("GPL");
1903 MODULE_DESCRIPTION("GSLX680 touchscreen controller driver");
1904 MODULE_AUTHOR("Guan Yuwei, guanyuwei@basewin.com");
1905 MODULE_ALIAS("platform:gsl_ts");
1906