/drivers/amlogic/input/touch_screen/ssd2533.c

http://github.com/madmaze/Meson-3-Kernel · C · 1101 lines · 911 code · 127 blank · 63 comment · 99 complexity · fa717828f388c2e5d0e2a7aadec67064 MD5 · raw file 

    

  1. #include <linux/module.h>

    2. 

  2. #include <linux/kernel.h>

    3. 

  3. #include <linux/input.h>

    4. 

  4. #include <linux/interrupt.h>

    5. 

  5. #include <linux/irq.h>

    6. 

  6. #include <linux/timer.h>

    7. 

  7. #include <linux/delay.h>

    8. 

  8. #include <linux/hrtimer.h>

    9. 

  9. #include <linux/i2c.h>

    10. 

  10. #include <asm/io.h>

    11. 

  11. #include <mach/gpio.h>

    12. 

  12. #ifdef CONFIG_HAS_EARLYSUSPEND

    13. 

  13. #include <linux/earlysuspend.h>

    14. 

  14. #endif /* CONFIG_HAS_EARLYSUSPEND */

    15. 

  15. 

    16. 

  16. #include <linux/slab.h>  

    17. 

  17. #include <mach/hardware.h>

    18. 

  18. 

    19. 

  19. #define CONFIG_TOUCHSCREEN_SSL_DEBUG	

    20. 

  20. #undef  CONFIG_TOUCHSCREEN_SSL_DEBUG

    21. 

  21. #define Dynamic_threshold

    22. 

  22. 

    23. 

  23. #define DEVICE_ID_REG                    2

    24. 

  24. #define VERSION_ID_REG                 3

    25. 

  25. #define AUTO_INIT_RST_REG          68

    26. 

  26. #define EVENT_STATUS                   121

    27. 

  27. #define EVENT_MSK_REG                 122

    28. 

  28. #define IRQ_MSK_REG                     123

    29. 

  29. #define FINGER01_REG                    124

    30. 

  30. #define EVENT_STACK                   	 128

    31. 

  31. #define EVENT_FIFO_SCLR               135

    32. 

  32. #define TIMESTAMP_REG                 136

    33. 

  33. #define SELFCAP_STATUS_REG         185		

    34. 

  34. 

    35. 

  35. #define	ON_TOUCH_INT	INT_GPIO_0    //GPIO :set the interrupt 

    36. 

  36. 

    37. 

  37. #define GPIO_INT 		((GPIOA_bank_bit0_27(16)<<16) | GPIOA_bit_bit0_27(16))

    38. 

  38. #define GPIO_POWER_EN		((GPIOC_bank_bit0_15(9)<<16) | GPIOC_bit_bit0_15(9))

    39. 

  39. #define GPIO_RST 		((GPIOC_bank_bit0_15(3)<<16) | GPIOC_bit_bit0_15(3))

    40. 

  40. 

    41. 

  41. struct ChipSetting {

    42. 

  42. 	char No;

    43. 

  43. 	char Reg;

    44. 

  44. 	char Data1;

    45. 

  45. 	char Data2;

    46. 

  46. };

    47. 

  47. 

    48. 

  48. #include "ssd253x-ts_TP.h"

    49. 

  49. 

    50. 

  50. void deviceReset(struct i2c_client *client);

    51. 

  51. void deviceResume(struct i2c_client *client);

    52. 

  52. void deviceSuspend(struct i2c_client *client);

    53. 

  53. void SSD253xdeviceInit1(struct i2c_client *client);

    54. 

  54. void SSD253xdeviceInit(struct i2c_client *client); 

    55. 

  55. 

    56. 

  56. static int ssd253x_ts_open(struct input_dev *dev);

    57. 

  57. static void ssd253x_ts_close(struct input_dev *dev);

    58. 

  58. static int ssd253x_ts_suspend(struct i2c_client *client, pm_message_t mesg);

    59. 

  59. static int ssd253x_ts_resume(struct i2c_client *client);

    60. 

  60. #ifdef CONFIG_HAS_EARLYSUSPEND

    61. 

  61. static void ssd253x_ts_early_suspend(struct early_suspend *h);

    62. 

  62. static void ssd253x_ts_late_resume(struct early_suspend *h);

    63. 

  63. #endif /* CONFIG_HAS_EARLYSUSPEND */

    64. 

  64. 

    65. 

  65. static enum hrtimer_restart ssd253x_ts_timer(struct hrtimer *timer);

    66. 

  66. static irqreturn_t ssd253x_ts_isr(int irq, void *dev_id);

    67. 

  67. static struct workqueue_struct *ssd253x_wq;

    68. 

  68. 

    69. 

  69. struct ssl_ts_priv {

    70. 

  70. 	struct i2c_client *client;

    71. 

  71. 	struct input_dev *input;

    72. 

  72. 	struct hrtimer timer;

    73. 

  73. 	struct work_struct  ssl_work;

    74. 

  74. #ifdef	CONFIG_HAS_EARLYSUSPEND

    75. 

  75. 

    76. 

  76. 	struct early_suspend early_suspend;

    77. 

  77. 

    78. 

  78. #endif 

    79. 

  79. 

    80. 

  80. 	int irq;

    81. 

  81. 	int use_irq;

    82. 

  82. 	int FingerNo;

    83. 

  83. 	int FingerX[FINGERNO];

    84. 

  84. 	int FingerY[FINGERNO];

    85. 

  85. 	int FingerP[FINGERNO];

    86. 

  86. 

    87. 

  87. 	int Resolution;

    88. 

  88. 	int EventStatus;

    89. 

  89. 	int FingerDetect;

    90. 

  90. 

    91. 

  91. 	int sFingerX[FINGERNO];

    92. 

  92. 	int sFingerY[FINGERNO];

    93. 

  93. 	int pFingerX[FINGERNO];

    94. 

  94. 	int pFingerY[FINGERNO];

    95. 

  95. };

    96. 

  96. 

    97. 

  97. int Threshold_flag = 0;  

    98. 

  98. int ssd253x_record,ssd253x_current,ssd253x_timer_flag; //add by hjc

    99. 

  99. 

    100. 

  100. int ReadRegister(struct i2c_client *client,uint8_t reg,int ByteNo)

    101. 

  101. {

    102. 

  102. 	unsigned char buf[4];

    103. 

  103. 	struct i2c_msg msg[2];

    104. 

  104. 	int ret;

    105. 

  105. 

    106. 

  106. 	memset(buf, 0xFF, sizeof(buf));

    107. 

  107. 	msg[0].addr = client->addr;

    108. 

  108. 	msg[0].flags = 0;

    109. 

  109. 	msg[0].len = 1;

    110. 

  110. 	msg[0].buf = &reg;

    111. 

  111. 

    112. 

  112. 	msg[1].addr = client->addr;

    113. 

  113. 	msg[1].flags = I2C_M_RD;

    114. 

  114. 	msg[1].len = ByteNo;

    115. 

  115. 	msg[1].buf = buf;

    116. 

  116. 

    117. 

  117. 	ret = i2c_transfer(client->adapter, msg, 2);

    118. 

  118. 

    119. 

  119. 	#ifdef CONFIG_TOUCHSCREEN_SSL_DEBUG

    120. 

  120. 	if(ret<0)	printk("		ReadRegister: i2c_transfer Error !\n");

    121. 

  121. 	else		printk("		ReadRegister: i2c_transfer OK !\n");

    122. 

  122. 	#endif

    123. 

  123. 

    124. 

  124. 	if(ByteNo==1) return (int)((unsigned int)buf[0]<<0);

    125. 

  125. 	if(ByteNo==2) return (int)((unsigned int)buf[1]<<0)|((unsigned int)buf[0]<<8);

    126. 

  126. 	if(ByteNo==3) return (int)((unsigned int)buf[2]<<0)|((unsigned int)buf[1]<<8)|((unsigned int)buf[0]<<16);

    127. 

  127. 	if(ByteNo==4) return (int)((unsigned int)buf[3]<<0)|((unsigned int)buf[2]<<8)|((unsigned int)buf[1]<<16)|(buf[0]<<24);

    128. 

  128. 	return 0;

    129. 

  129. }

    130. 

  130. 

    131. 

  131. void WriteRegister(struct i2c_client *client,uint8_t Reg,unsigned char Data1,unsigned char Data2,int ByteNo)

    132. 

  132. {	

    133. 

  133. 

    134. 

  134. 	struct i2c_msg msg;

    135. 

  135. 	unsigned char buf[4];

    136. 

  136. 	int ret;

    137. 

  137. 

    138. 

  138. 	buf[0]=Reg;

    139. 

  139. 	buf[1]=Data1;

    140. 

  140. 	buf[2]=Data2;

    141. 

  141. 	buf[3]=0;

    142. 

  142. 

    143. 

  143. 	msg.addr = client->addr;

    144. 

  144. 	msg.flags = 0;

    145. 

  145. 	msg.len = ByteNo+1;

    146. 

  146. 	msg.buf = (char *)buf;

    147. 

  147. 	ret = i2c_transfer(client->adapter, &msg, 1);

    148. 

  148. 

    149. 

  149. 	#ifdef CONFIG_TOUCHSCREEN_SSL_DEBUG

    150. 

  150. 	if(ret<0)	printk("		WriteRegister: i2c_master_send Error !\n");

    151. 

  151. 	else		printk("		WriteRegister: i2c_master_send OK !\n");

    152. 

  152. 	#endif

    153. 

  153. 	

    154. 

  154. 	

    155. 

  155. }

    156. 

  156. 

    157. 

  157. void SSD253xdeviceInit1(struct i2c_client *client) 

    158. 

  158. {	

    159. 

  159. #ifdef	SSD2533FIXEDCODE

    160. 

  160. 	int i;

    161. 

  161. 	mdelay(600); //SSD2533 ESD2 EEPROM VERSION

    162. 

  162. 	for(i=0;i<sizeof(ssd253xcfgTable1)/sizeof(ssd253xcfgTable1[0]);i++)

    163. 

  163. 	{

    164. 

  164. 		WriteRegister ( client,ssd253xcfgTable1[i].Reg,

    165. 

  165. 				ssd253xcfgTable1[i].Data1,ssd253xcfgTable1[i].Data2,

    166. 

  166. 				ssd253xcfgTable1[i].No);

    167. 

  167. 	}

    168. 

  168. #endif

    169. 

  169. }

    170. 

  170. 

    171. 

  171. 

    172. 

  172. void SSD253xdeviceInit(struct i2c_client *client)

    173. 

  173. {	

    174. 

  174. 	int i;

    175. 

  175. 	for(i=0;i<sizeof(ssd253xcfgTable)/sizeof(ssd253xcfgTable[0]);i++)

    176. 

  176. 	{

    177. 

  177. 		WriteRegister(	client,ssd253xcfgTable[i].Reg,

    178. 

  178. 				ssd253xcfgTable[i].Data1,ssd253xcfgTable[i].Data2,

    179. 

  179. 				ssd253xcfgTable[i].No);

    180. 

  180. 	}

    181. 

  181. 	mdelay(150);

    182. 

  182. }

    183. 

  183. 

    184. 

  184. void deviceReset(struct i2c_client *client)

    185. 

  185. {	

    186. 

  186. 	int i;

    187. 

  187. 	for(i=0;i<sizeof(Reset)/sizeof(Reset[0]);i++)

    188. 

  188. 	{

    189. 

  189. 		WriteRegister(	client,Reset[i].Reg,

    190. 

  190. 				Reset[i].Data1,Reset[i].Data2,

    191. 

  191. 				Reset[i].No);

    192. 

  192. 	}

    193. 

  193. 	mdelay(200);

    194. 

  194. 	SSD253xdeviceInit1(client);

    195. 

  195. }

    196. 

  196. 

    197. 

  197. void deviceResume(struct i2c_client *client)    

    198. 

  198. {	

    199. 

  199. 	#if 1

    200. 

  200. #if 0

    201. 

  201. 	//RST pin pull down

    202. 

  202. 	gpio_direction_output(SHUTDOWN_PORT, 0);

    203. 

  203. 	mdelay(5);

    204. 

  204. 	gpio_direction_output(SHUTDOWN_PORT, 1);

    205. 

  205. 	mdelay(2);

    206. 

  206. #else

    207. 

  207. 	//RST pin pull down

    208. 

  208. 	gpio_direction_output(GPIO_RST, 0);

    209. 

  209. 	mdelay(5);

    210. 

  210. 	gpio_direction_output(GPIO_RST, 1);

    211. 

  211. 	mdelay(2);

    212. 

  212. #endif

    213. 

  213. 	deviceReset(client);

    214. 

  214. 	SSD253xdeviceInit(client);

    215. 

  215. 	#else

    216. 

  216. 	int i;

    217. 

  217. 	//int timeout=10;

    218. 

  218. 	int status;

    219. 

  219. 	for(i=0;i<sizeof(Resume)/sizeof(Resume[0]);i++)

    220. 

  220. 	{

    221. 

  221. 		WriteRegister(	client,Resume[i].Reg,

    222. 

  222. 				Resume[i].Data1,Resume[i].Data2,

    223. 

  223. 				Resume[i].No);

    224. 

  224. 		mdelay(200);

    225. 

  225. 	}

    226. 

  226. 	/*

    227. 

  227. 	do {

    228. 

  228. 		status=ReadRegister(client,0x26,1);

    229. 

  229. 		printk("		deviceResume: status : %d !\n",status);

    230. 

  230. 		if(status==Resume[2].Data1) break;

    231. 

  231. 		mdelay(1);

    232. 

  232. 	}while(timeout--); // Check the status

    233. 

  233. 	*/

    234. 

  234. 	#endif

    235. 

  235. 	

    236. 

  236. }

    237. 

  237. 

    238. 

  238. void deviceSuspend(struct i2c_client *client)

    239. 

  239. 	

    240. 

  240. {	

    241. 

  241. 	#if 1

    242. 

  242. #if 0

    243. 

  243. 	//RST pin pull down

    244. 

  244. 	gpio_direction_output(SHUTDOWN_PORT, 0);

    245. 

  245. 	mdelay(5);

    246. 

  246. 	gpio_direction_output(SHUTDOWN_PORT, 1);

    247. 

  247. 	mdelay(2);

    248. 

  248. #else

    249. 

  249. 	//RST pin pull down

    250. 

  250. 	gpio_direction_output(GPIO_RST, 0);

    251. 

  251. 	mdelay(5);

    252. 

  252. 	gpio_direction_output(GPIO_RST, 1);

    253. 

  253. 	mdelay(2);

    254. 

  254. #endif

    255. 

  255. 

    256. 

  256. 	#else

    257. 

  257. 	int i;

    258. 

  258. 	//int timeout=10;

    259. 

  259. 	int status;

    260. 

  260. 	

    261. 

  261. 	/*

    262. 

  262. 	WriteRegister(	client,Suspend[0].Reg,

    263. 

  263. 			Suspend[0].Data1,Suspend[0].Data2,

    264. 

  264. 			Suspend[0].No);

    265. 

  265. 	do {

    266. 

  266. 		status=ReadRegister(client,0x26,1);

    267. 

  267. 		if(status==Suspend[0].Data1) break;

    268. 

  268. 		mdelay(1);				

    269. 

  269. 	}while(timeout--);

    270. 

  270. 	*/

    271. 

  271. 	

    272. 

  272. 	for(i=0;i<sizeof(Suspend)/sizeof(Suspend[0]);i++)

    273. 

  273. 	{

    274. 

  274. 		WriteRegister(	client,Suspend[i].Reg,

    275. 

  275. 				Suspend[i].Data1,Suspend[i].Data2,

    276. 

  276. 				Suspend[i].No);

    277. 

  277. 		mdelay(200);

    278. 

  278. 	}

    279. 

  279. 	#endif

    280. 

  280. }

    281. 

  281. 

    282. 

  282. 

    283. 

  283. #define Mode RunningAverageMode

    284. 

  284. #define Dist RunningAverageDist

    285. 

  285. void RunningAverage(unsigned short *xpos,unsigned short *ypos,int No,struct ssl_ts_priv *ssl_priv)

    286. 

  286. {	

    287. 

  287. 	int FilterMode[4][2]={{0,8},{5,3},{6,2},{7,1}};

    288. 

  288. 	int dx,dy;

    289. 

  289. 	int X,Y;

    290. 

  290. 

    291. 

  291. 	X=*xpos;

    292. 

  292. 	Y=*ypos;

    293. 

  293. 	

    294. 

  294. 	if((ssl_priv->pFingerX[No]!=0x0FFF)&&(X!=0x0FFF))

    295. 

  295. 	{

    296. 

  296. 		dx=abs(ssl_priv->pFingerX[No]-X);

    297. 

  297. 		dy=abs(ssl_priv->pFingerY[No]-Y);

    298. 

  298. 		if(dx+dy<Dist*64)

    299. 

  299. 		{

    300. 

  300. 			ssl_priv->pFingerX[No]=(FilterMode[Mode][0]*ssl_priv->pFingerX[No]+FilterMode[Mode][1]*X)/8;

    301. 

  301. 			ssl_priv->pFingerY[No]=(FilterMode[Mode][0]*ssl_priv->pFingerY[No]+FilterMode[Mode][1]*Y)/8;

    302. 

  302. 		}

    303. 

  303. 		else

    304. 

  304. 		{

    305. 

  305. 			ssl_priv->pFingerX[No]=X;

    306. 

  306. 			ssl_priv->pFingerY[No]=Y;

    307. 

  307. 		}

    308. 

  308. 	}

    309. 

  309. 	else

    310. 

  310. 	{

    311. 

  311. 		ssl_priv->pFingerX[No]=X;

    312. 

  312. 		ssl_priv->pFingerY[No]=Y;

    313. 

  313. 	}

    314. 

  314. 	*xpos=ssl_priv->pFingerX[No];

    315. 

  315. 	*ypos=ssl_priv->pFingerY[No];

    316. 

  316. }

    317. 

  317. 

    318. 

  318. void FingerCheckSwap(int *FingerX,int *FingerY,int *FingerP,int FingerNo,int *sFingerX,int *sFingerY)

    319. 

  319. {

    320. 

  320.   	int i,j;

    321. 

  321.   	int index1,index2;

    322. 

  322.   	int Vx,Vy;

    323. 

  323.   	int Ux,Uy;

    324. 

  324.   	int R1x,R1y;

    325. 

  325.   	int R2x,R2y;

    326. 

  326. 	for(i=0;i<FingerNo;i++)

    327. 

  327.   	{

    328. 

  328.  		index1=i;

    329. 

  329. 	    	if( FingerX[index1]!=0xFFF)

    330. 

  330. 		if(sFingerX[index1]!=0xFFF) 

    331. 

  331. 		{

    332. 

  332. 			for(j=i+1;j<FingerNo+3;j++)

    333. 

  333. 			{

    334. 

  334. 				index2=j%FingerNo;

    335. 

  335. 	    			if( FingerX[index2]!=0xFFF)

    336. 

  336. 				if(sFingerX[index2]!=0xFFF) 

    337. 

  337. 		    		{

    338. 

  338. 					Ux=sFingerX[index1]-sFingerX[index2];

    339. 

  339. 					Uy=sFingerY[index1]-sFingerY[index2];      

    340. 

  340. 					Vx= FingerX[index1]- FingerX[index2];

    341. 

  341. 					Vy= FingerY[index1]- FingerY[index2];					

    342. 

  342. 

    343. 

  343. 					R1x=Ux-Vx;

    344. 

  344. 					R1y=Uy-Vy;

    345. 

  345. 					R2x=Ux+Vx;

    346. 

  346. 					R2y=Uy+Vy;

    347. 

  347. 							

    348. 

  348. 					R1x=R1x*R1x;

    349. 

  349. 					R1y=R1y*R1y; 

    350. 

  350. 					R2x=R2x*R2x;

    351. 

  351. 					R2y=R2y*R2y;

    352. 

  352. 

    353. 

  353. 					if(R1x+R1y>R2x+R2y)

    354. 

  354. 				    	{

    355. 

  355. 				    		Ux=FingerX[index1];

    356. 

  356. 						Uy=FingerY[index1];

    357. 

  357. 						Vx=FingerP[index1];

    358. 

  358. 							          

    359. 

  359. 						FingerX[index1]=FingerX[index2];

    360. 

  360. 						FingerY[index1]=FingerY[index2];

    361. 

  361. 						FingerP[index1]=FingerP[index2];

    362. 

  362. 							

    363. 

  363. 						FingerX[index2]=Ux;

    364. 

  364. 						FingerY[index2]=Uy;

    365. 

  365. 						FingerP[index2]=Vx;

    366. 

  366. 					}

    367. 

  367. 					break;

    368. 

  368. 			    	}

    369. 

  369. 			}

    370. 

  370. 		}

    371. 

  371.   	}        

    372. 

  372.   	for(i=0;i<FingerNo;i++)

    373. 

  373.   	{

    374. 

  374.     		sFingerX[i]=FingerX[i];

    375. 

  375.     		sFingerY[i]=FingerY[i];

    376. 

  376.   	}

    377. 

  377. }

    378. 

  378. 

    379. 

  379. 

    380. 

  380. #ifdef SSD253x_CUT_EDGE

    381. 

  381. static int ssd253x_ts_cut_edge(unsigned short pos,unsigned short x_y)

    382. 

  382. {

    383. 

  383. 	u8 cut_value = 10; //cut_value < 32

    384. 

  384. 	if(pos == 0xfff)

    385. 

  385. 	{

    386. 

  386. 		return pos;

    387. 

  387. 	}

    388. 

  388. 	if(x_y) //xpos

    389. 

  389. 	{

    390. 

  390. 		if(pos < 16)

    391. 

  391. 			pos = cut_value + pos*(48 - cut_value) / 16;

    392. 

  392. 		else if(pos > (XPOS_MAX - 16) )

    393. 

  393. 			pos = XPOS_MAX + 16 + (pos - (XPOS_MAX -16))*(48 - cut_value) / 16;

    394. 

  394. 		else

    395. 

  395. 			pos = pos + 32;

    396. 

  396. 

    397. 

  397. 		pos = SSDS53X_SCREEN_MAX_X * pos / (DRIVENO * 64);

    398. 

  398. 		return pos;

    399. 

  399. 	}

    400. 

  400. 	else    //ypos

    401. 

  401. 	{

    402. 

  402. 		if(pos < 16)

    403. 

  403. 			pos = cut_value + pos*(48 - cut_value) / 16;

    404. 

  404. 		else if(pos > (YPOS_MAX - 16) )

    405. 

  405. 			pos = YPOS_MAX + 16 + (pos - (YPOS_MAX -16))*(48 - cut_value) / 16;

    406. 

  406. 		else

    407. 

  407. 			pos = pos + 32;

    408. 

  408. 		

    409. 

  409. 		pos = SSDS53X_SCREEN_MAX_Y* pos / (SENSENO * 64);

    410. 

  410. 		return pos;		

    411. 

  411. 	}

    412. 

  412. 	

    413. 

  413. 	

    414. 

  414. }

    415. 

  415. #endif

    416. 

  416. 

    417. 

  417. 

    418. 

  418. static void ssd253x_ts_work(struct work_struct *work)

    419. 

  419. {

    420. 

  420. 	int i;

    421. 

  421. 	unsigned short xpos=0, ypos=0, width=0;

    422. 

  422. 	unsigned short tmp_point=0;

    423. 

  423. 	int FingerInfo;

    424. 

  424. 	int EventStatus;

    425. 

  425. 	int FingerX[FINGERNO];

    426. 

  426. 	int FingerY[FINGERNO];

    427. 

  427. 	int FingerP[FINGERNO];

    428. 

  428. 	int clrFlag=0;

    429. 

  429. 	int timer_status;

    430. 

  430. 	#ifdef SSD253x_TOUCH_KEY

    431. 

  431. 	u8 btn_status;

    432. 

  432. 	static bool key[4] = { 0, 0, 0, 0 }; 

    433. 

  433. 	#endif

    434. 

  434. 	

    435. 

  435. 

    436. 

  436. 	struct ssl_ts_priv *ssl_priv = container_of(work,struct ssl_ts_priv,ssl_work);

    437. 

  437. 	

    438. 

  438. 	#ifdef CONFIG_TOUCHSCREEN_SSL_DEBUG

    439. 

  439. 	printk("+-----------------------------------------+\n");

    440. 

  440. 	printk("|	ssd253x_ts_work!                  |\n");

    441. 

  441. 	printk("+-----------------------------------------+\n");

    442. 

  442. 	#endif

    443. 

  443. 

    444. 

  444. 	#ifdef Dynamic_threshold

    445. 

  445. 	if(Threshold_flag == 0)

    446. 

  446. 	{

    447. 

  447. 		Threshold_flag = 1;

    448. 

  448. 		WriteRegister(ssl_priv->client,0x34,0x00,THRESHOLD,2); //¶¯Ì¬ãÐÖµÉèΪԭÀ´Öµ-0x10

    449. 

  449. 	}

    450. 

  450. 	#endif

    451. 

  451. 	if(!ssd253x_timer_flag)

    452. 

  452. 	{

    453. 

  453. 		timer_status = ReadRegister(ssl_priv->client,TIMESTAMP_REG,2);

    454. 

  454. 		if(!ssd253x_record)                                      

    455. 

  455. 		{

    456. 

  456. 				ssd253x_record = timer_status/1000;   			

    457. 

  457. 		}

    458. 

  458. 		

    459. 

  459. 		ssd253x_current = timer_status/1000;               

    460. 

  460. 		

    461. 

  461. 		if((ssd253x_current - ssd253x_record) > 10)

    462. 

  462. 		{

    463. 

  463. 		WriteRegister(ssl_priv->client,AUTO_INIT_RST_REG,0x00,0x00,1);

    464. 

  464. 		ssd253x_record = 0;

    465. 

  465. 		ssd253x_timer_flag = 1;

    466. 

  466. 		

    467. 

  467. 		}

    468. 

  468. 	 }

    469. 

  469. 

    470. 

  470. 	#ifdef SSD253x_TOUCH_KEY

    471. 

  471. 		btn_status = ReadRegister(ssl_priv->client,SELFCAP_STATUS_REG, 1);

    472. 

  472. 		#ifdef CONFIG_TOUCHSCREEN_SSL_DEBUG

    473. 

  473. 		//if(KeyInfo<0)	printk("		ssd253x_ts_work: i2c_transfer Error !\n");

    474. 

  474. 		#endif

    475. 

  475. 		#ifdef CONFIG_TOUCHSCREEN_SSL_DEBUG

    476. 

  476. 		//printk("ssd253x_ts_work read 0xB9,KeyInfo is %x\n",KeyInfo);

    477. 

  477. 		#endif

    478. 

  478. 		if(btn_status & 0x0f){

    479. 

  479. 			

    480. 

  480. 				switch(btn_status & 0x0f){

    481. 

  481. 				case 1:

    482. 

  482. 				key[0] = 1;

    483. 

  483. 				input_event(ssl_priv->input,EV_KEY, key_code[0], 1);

    484. 

  484. 				break;

    485. 

  485. 				case 2:

    486. 

  486. 				key[1] = 1;

    487. 

  487. 				input_event(ssl_priv->input,EV_KEY, key_code[1], 1);

    488. 

  488. 				break;

    489. 

  489. 				case 4:

    490. 

  490. 				key[2] = 1;

    491. 

  491. 				input_event(ssl_priv->input,EV_KEY, key_code[2], 1);

    492. 

  492. 				break;

    493. 

  493. 				case 8:

    494. 

  494. 				key[3] = 1;

    495. 

  495. 				input_event(ssl_priv->input,EV_KEY, key_code[3], 1);

    496. 

  496. 				break;

    497. 

  497. 				default:

    498. 

  498. 				break;

    499. 

  499. 				}

    500. 

  500. 				hrtimer_start(&ssl_priv->timer, ktime_set(0, MicroTimeTInterupt), HRTIMER_MODE_REL);

    501. 

  501. 			goto work_touch;

    502. 

  502. 			}

    503. 

  503. 			for(i = 0; i < 4; i++)

    504. 

  504. 			{

    505. 

  505. 				if(key[i])

    506. 

  506. 				{

    507. 

  507. 					key[i] = 0;

    508. 

  508. 					input_event(ssl_priv->input, EV_KEY, key_code[i], 0);

    509. 

  509. 				}

    510. 

  510. 			}

    511. 

  511. 			

    512. 

  512. 	work_touch:

    513. 

  513. 	#endif

    514. 

  514. 

    515. 

  515. 	EventStatus = ReadRegister(ssl_priv->client,EVENT_STATUS,2)>>4;

    516. 

  516. 	#ifdef Dynamic_threshold

    517. 

  517.        if (EventStatus == 0)

    518. 

  518.        {

    519. 

  519.        	Threshold_flag = 0;

    520. 

  520. 	  	WriteRegister(ssl_priv->client,0x34,0x00,(THRESHOLD+0x10),2); 	

    521. 

  521.        }

    522. 

  522. 	 #endif

    523. 

  523. 

    524. 

  524. 	ssl_priv->FingerDetect=0;

    525. 

  525. 	for(i=0;i<ssl_priv->FingerNo;i++)

    526. 

  526. 	{

    527. 

  527. 		if((EventStatus>>i)&0x1)

    528. 

  528. 		{

    529. 

  529. 			FingerInfo=ReadRegister(ssl_priv->client,FINGER01_REG+i,4);

    530. 

  530. 			xpos = ((FingerInfo>>4)&0xF00)|((FingerInfo>>24)&0xFF);

    531. 

  531. 			ypos = ((FingerInfo>>0)&0xF00)|((FingerInfo>>16)&0xFF);

    532. 

  532. 			//width= ((FingerInfo>>4)&0x00F);	

    533. 

  533. 

    534. 

  534. 			if(xpos!=0xFFF)

    535. 

  535. 			{

    536. 

  536. 				ssl_priv->FingerDetect++;

    537. 

  537. 

    538. 

  538. 				#ifdef SSD253x_CUT_EDGE

    539. 

  539. 				xpos = ssd253x_ts_cut_edge(xpos, 1);

    540. 

  540. 				ypos = ssd253x_ts_cut_edge(ypos, 0);

    541. 

  541. 				#endif

    542. 

  542. 			}

    543. 

  543. 			else 

    544. 

  544. 			{

    545. 

  545. 				// This part is to avoid asyn problem when the finger leaves

    546. 

  546. 				//printk("		ssd253x_ts_work: Correct %x\n",EventStatus);

    547. 

  547. 				EventStatus=EventStatus&~(1<<i);

    548. 

  548. 				clrFlag=1;

    549. 

  549. 			}

    550. 

  550. 		}

    551. 

  551. 		else

    552. 

  552. 		{

    553. 

  553. 			xpos=ypos=0xFFF;

    554. 

  554. 			//width=0;

    555. 

  555. 			clrFlag=1;

    556. 

  556. 		}

    557. 

  557. 		FingerX[i]=xpos;

    558. 

  558. 		FingerY[i]=ypos;

    559. 

  559. 		//FingerP[i]=width;

    560. 

  560. 	}

    561. 

  561. 	if(ssl_priv->use_irq==1) enable_irq(ssl_priv->irq);

    562. 

  562. 	if(ssl_priv->use_irq==2)

    563. 

  563. 	{

    564. 

  564. #if 0

    565. 

  565. 		if(ssl_priv->FingerDetect==0) enable_irq(ssl_priv->irq);

    566. 

  566. 		else hrtimer_start(&ssl_priv->timer, ktime_set(0, MicroTimeTInterupt), HRTIMER_MODE_REL);

    567. 

  567. #else

    568. 

  568. 		//enable_irq(ssl_priv->irq);

    569. 

  569. 		if(ssl_priv->FingerDetect != 0) 

    570. 

  570. 		     hrtimer_start(&ssl_priv->timer, ktime_set(0, MicroTimeTInterupt), HRTIMER_MODE_REL);

    571. 

  571. #endif

    572. 

  572. 	}

    573. 

  573. 	if(clrFlag) WriteRegister(ssl_priv->client,EVENT_FIFO_SCLR,0x01,0x00,1);

    574. 

  574. 

    575. 

  575. 	if(ssl_priv->input->id.product==0x2533)

    576. 

  576. 	if(ssl_priv->input->id.version==0x0101) 

    577. 

  577. 		FingerCheckSwap(FingerX,FingerY,FingerP,ssl_priv->FingerNo,ssl_priv->sFingerX,ssl_priv->sFingerY);

    578. 

  578. 

    579. 

  579. 	for(i=0;i<ssl_priv->FingerNo;i++)

    580. 

  580. 	{
    581. 

  581. 		xpos=FingerX[i];

    582. 

  582. 		ypos=FingerY[i];

    583. 

  583. 		width=FingerP[i];

    584. 

  584. 		//if(ssl_priv->input->id.product==0x2533)

    585. 

  585. 		//{

    586. 

  586. 		//	if(ssl_priv->input->id.version==0x0101) RunningAverage(&xpos,&ypos,i,ssl_priv);

    587. 

  587. 		//	if(ssl_priv->input->id.version==0x0102) RunningAverage(&xpos,&ypos,i,ssl_priv);

    588. 

  588. 		//}

    589. 

  589. 

    590. 

  590. 		if(xpos!=0xFFF)

    591. 

  591. 		{

    592. 

  592. 		      #ifdef SSD253x_SIMULATED_KEY

    593. 

  593. 			if(xpos > 800 && xpos>SKeys[0].left_x)

    594. 

  594. 			{

    595. 

  595. 					if(ypos >= SKeys[0].left_y && ypos <= SKeys[0].right_y)

    596. 

  596. 					{

    597. 

  597. 					input_event(ssl_priv->input,EV_KEY, key_code[0], 1);

    598. 

  598. 					input_mt_sync(ssl_priv->input);

    599. 

  599. 					goto end;

    600. 

  600. 					}

    601. 

  601. 					

    602. 

  602. 					else if(ypos >= SKeys[1].left_y && ypos <= SKeys[1].right_y)

    603. 

  603. 					{

    604. 

  604. 					input_event(ssl_priv->input,EV_KEY, key_code[1], 1);

    605. 

  605. 					input_mt_sync(ssl_priv->input);

    606. 

  606. 					goto end;

    607. 

  607. 					}

    608. 

  608. 

    609. 

  609. 					else if(ypos >= SKeys[2].left_y && ypos <= SKeys[2].right_y)

    610. 

  610. 					{

    611. 

  611. 					input_event(ssl_priv->input,EV_KEY, key_code[2], 1);

    612. 

  612. 					input_mt_sync(ssl_priv->input);

    613. 

  613. 					goto end;

    614. 

  614. 					}

    615. 

  615. 

    616. 

  616. 					else if(ypos >= SKeys[3].left_y && ypos <= SKeys[3].right_y)

    617. 

  617. 					{

    618. 

  618. 					input_event(ssl_priv->input,EV_KEY, key_code[3], 1);

    619. 

  619. 					input_mt_sync(ssl_priv->input);

    620. 

  620. 					goto end;

    621. 

  621. 					}

    622. 

  622. 

    623. 

  623. 					else

    624. 

  624. 					{

    625. 

  625. 					goto report_key_release;

    626. 

  626. 					}				

    627. 

  627. 			}

    628. 

  628. 			#endif

    629. 

  629. 

  630. 			input_report_key(ssl_priv->input, BTN_TOUCH,  1);

    631. 

  631. 			input_report_abs(ssl_priv->input, ABS_MT_TRACKING_ID, i);  

    632. 

  632. 			input_report_abs(ssl_priv->input, ABS_MT_TOUCH_MAJOR, 1);

    633. 

  633. 			input_report_abs(ssl_priv->input, ABS_MT_POSITION_X, xpos);

    634. 

  634. 			input_report_abs(ssl_priv->input, ABS_MT_POSITION_Y, ypos);

    635. 

  635. 			input_report_abs(ssl_priv->input, ABS_MT_WIDTH_MAJOR, 1);

    636. 

  636. 			input_mt_sync(ssl_priv->input);

    637. 

  637. 

    638. 

  638. 			//#ifdef CONFIG_TOUCHSCREEN_SSL_DEBUG

    639. 

  639. 			#if 1

    640. 

  640. 			if(i==0) printk("		ssd253x_ts_work: X = 0x%x , Y = 0x%x, W = 0x%x\n",xpos,ypos,width);

    641. 

  641. 			#endif

    642. 

  642. 		}

    643. 

  643. 		else if(ssl_priv->FingerX[i]!=0xFFF)

    644. 

  644. 		{

    645. 

  645. 			input_report_key(ssl_priv->input, BTN_TOUCH,  0);

    646. 

  646. 			input_report_abs(ssl_priv->input, ABS_MT_TRACKING_ID, i);

    647. 

  647. 			input_report_abs(ssl_priv->input, ABS_MT_TOUCH_MAJOR, 0);

    648. 

  648. 			input_report_abs(ssl_priv->input, ABS_MT_POSITION_X, ssl_priv->FingerX[i]);

    649. 

  649. 			input_report_abs(ssl_priv->input, ABS_MT_POSITION_Y, ssl_priv->FingerY[i]);

    650. 

  650. 			input_report_abs(ssl_priv->input, ABS_MT_WIDTH_MAJOR, 0);

    651. 

  651. 			input_mt_sync(ssl_priv->input);

    652. 

  652. 			

    653. 

  653. 			#ifdef CONFIG_TOUCHSCREEN_SSL_DEBUG

    654. 

  654. 			//#if  1

    655. 

  655. 			if(i==0) printk("	release	ssd253x_ts_work: X = 0x%x , Y = 0x%x, W = 0x%x\n",xpos,ypos,width);

    656. 

  656. 			#endif

    657. 

  657. 			

    658. 

  658. 		}

    659. 

  659. 		

    660. 

  660. 		ssl_priv->FingerX[i]=FingerX[i];

    661. 

  661. 		ssl_priv->FingerY[i]=FingerY[i];

    662. 

  662. 		ssl_priv->FingerP[i]=width;

    663. 

  663. 	}		

    664. 

  664. 	#ifdef SSD253x_SIMULATED_KEY

    665. 

  665. 	report_key_release:

    666. 

  666. 	for(i = 0 ;i<sizeof(key_code)/sizeof(key_code[0]);i++)

    667. 

  667. 	{

    668. 

  668. 		input_event(ssl_priv->input,EV_KEY,key_code[i],0);

    669. 

  669. 	}

    670. 

  670. 	end:

    671. 

  671. 	#endif

    672. 

  672. 	ssl_priv->EventStatus=EventStatus;	

    673. 

  673. 	input_sync(ssl_priv->input);	

    674. 

  674. }

    675. 

  675. 

    676. 

  676. static int ssd253x_ts_probe(struct i2c_client *client,const struct i2c_device_id *idp)

    677. 

  677. {

    678. 

  678. 	struct ssl_ts_priv *ssl_priv;

    679. 

  679. 	struct input_dev *ssl_input;

    680. 

  680. 	int error;

    681. 

  681. 	int i;

    682. 

  682. 

    683. 

  683. 	#ifdef CONFIG_TOUCHSCREEN_SSL_DEBUG

    684. 

  684. 	printk("+-----------------------------------------+\n");

    685. 

  685. 	printk("|	ssd253x_ts_probe!                 |\n");

    686. 

  686. 	printk("+-----------------------------------------+\n");

    687. 

  687. 	#endif

    688. 

  688. #define  Android_MT_TSC_RST   ((GPIOA_bank_bit0_27(1)<<16) |GPIOA_bit_bit0_27(1))

    689. 

  689. #define  Android_MT_TSC_INT    ((GPIOA_bank_bit0_27(16)<<16) |GPIOA_bit_bit0_27(16))	

    690. 

  690.        gpio_request(Android_MT_TSC_RST, "TS_RESET");

    691. 

  691. 	gpio_direction_output(Android_MT_TSC_RST,0);

    692. 

  692. 	msleep(1);

    693. 

  693. 	gpio_set_value(Android_MT_TSC_RST,1);

    694. 

  694. 

    695. 

  695. 	gpio_direction_input(Android_MT_TSC_INT );

    696. 

  696. 	gpio_enable_edge_int(gpio_to_idx(Android_MT_TSC_INT), 1, ON_TOUCH_INT - INT_GPIO_0);

    697. 

  697. 	

    698. 

  698. 	if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C))

    699. 

  699. 	{

    700. 

  700. 		#ifdef CONFIG_TOUCHSCREEN_SSL_DEBUG

    701. 

  701. 		printk("		ssd253x_ts_probe: need I2C_FUNC_I2C\n");

    702. 

  702. 		#endif

    703. 

  703. 		return -ENODEV;

    704. 

  704. 	}

    705. 

  705. 	else

    706. 

  706. 	{

    707. 

  707. 		#ifdef CONFIG_TOUCHSCREEN_SSL_DEBUG

    708. 

  708. 		printk("		ssd253x_ts_probe: i2c Check OK!\n");

    709. 

  709. 		printk("		ssd253x_ts_probe: i2c_client name : %s\n",client->name);

    710. 

  710. 		#endif

    711. 

  711. 	}

    712. 

  712. 

    713. 

  713. 	ssl_priv = kzalloc(sizeof(*ssl_priv), GFP_KERNEL);

    714. 

  714. 	if (!ssl_priv)

    715. 

  715. 	{

    716. 

  716. 		#ifdef CONFIG_TOUCHSCREEN_SSL_DEBUG

    717. 

  717. 		printk("		ssd253x_ts_probe: kzalloc Error!\n");

    718. 

  718. 		#endif

    719. 

  719. 		error=-ENODEV;

    720. 

  720. 		goto	err0;

    721. 

  721. 	}

    722. 

  722. 	else

    723. 

  723. 	{

    724. 

  724. 		#ifdef CONFIG_TOUCHSCREEN_SSL_DEBUG

    725. 

  725. 		printk("		ssd253x_ts_probe: kzalloc OK!\n");

    726. 

  726. 		#endif

    727. 

  727. 	}

    728. 

  728. 	dev_set_drvdata(&client->dev, ssl_priv);

    729. 

  729. 	

    730. 

  730. 	ssl_input = input_allocate_device();

    731. 

  731. 	if (!ssl_input)

    732. 

  732. 	{

    733. 

  733. 		#ifdef CONFIG_TOUCHSCREEN_SSL_DEBUG

    734. 

  734. 		printk("		ssd253x_ts_probe: input_allocate_device Error\n");

    735. 

  735. 		#endif

    736. 

  736. 		error=-ENODEV;

    737. 

  737. 		goto	err1;

    738. 

  738. 	}

    739. 

  739. 	else

    740. 

  740. 	{

    741. 

  741. 		#ifdef CONFIG_TOUCHSCREEN_SSL_DEBUG

    742. 

  742. 		printk("		ssd253x_ts_probe: input_allocate_device OK\n");

    743. 

  743. 		#endif

    744. 

  744. 	}

    745. 

  745. 

    746. 

  746. 	ssl_input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS) | BIT_MASK(EV_SYN) ;

    747. 

  747. 	ssl_input->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH) | BIT_MASK(BTN_2);

    748. 

  748. 	//ssl_input->name = client->name;

    749. 

  749. 	ssl_input->name = "ssd2533";

    750. 

  750. 	ssl_input->id.bustype = BUS_I2C;

    751. 

  751. 	ssl_input->id.vendor  = 0xABCD;//0x2878; // Modify for Vendor ID

    752. 

  752. 	ssl_input->dev.parent = &client->dev;

    753. 

  753. 	//ssl_input->open = ssd253x_ts_open;

    754. 

  754. 	//ssl_input->close = ssd253x_ts_close;

    755. 

  755. 

    756. 

  756. 	input_set_drvdata(ssl_input, ssl_priv);

    757. 

  757. 	ssl_priv->client = client;

    758. 

  758. 	ssl_priv->input = ssl_input;

    759. 

  759. 	ssl_priv->use_irq = ENABLE_INT;

    760. 

  760. 	ssl_priv->irq = ON_TOUCH_INT;

    761. 

  761. 	ssl_priv->FingerNo=FINGERNO;

    762. 

  762. 	ssl_priv->Resolution=64;

    763. 

  763. 

    764. 

  764. 	for(i=0;i<ssl_priv->FingerNo;i++)

    765. 

  765. 	{

    766. 

  766. 		//ssl_priv->FingerP[i]=0;

    767. 

  767. 		// For Finger Check Swap

    768. 

  768. 		ssl_priv->sFingerX[i]=0xFFF;

    769. 

  769. 		ssl_priv->sFingerY[i]=0xFFF;

    770. 

  770. 

    771. 

  771. 		// For Adaptive Running Average

    772. 

  772. 		ssl_priv->pFingerX[i]=0xFFF;

    773. 

  773. 		ssl_priv->pFingerY[i]=0xFFF;

    774. 

  774. 	}

    775. 

  775. 

    776. 

  776. 	deviceReset(client);

    777. 

  777. 	printk("SSL Touchscreen I2C Address: 0x%02X\n",client->addr);

    778. 

  778. 	ssl_input->id.product = ReadRegister(client, DEVICE_ID_REG,2);

    779. 

  779. 	ssl_input->id.version = ReadRegister(client,VERSION_ID_REG,2);

    780. 

  780. 	ssl_input->id.product = 0xBEEE;//ReadRegister(client, DEVICE_ID_REG,2);

    781. 

  781. 	ssl_input->id.version = ReadRegister(client,VERSION_ID_REG,2);

    782. 

  782. 	printk("SSL Touchscreen Device ID  : 0x%04X\n",ssl_input->id.product);

    783. 

  783. 	printk("SSL Touchscreen Version ID : 0x%04X\n",ssl_input->id.version);

    784. 

  784. 

    785. 

  785. 	SSD253xdeviceInit(client);

    786. 

  786. 	WriteRegister(client,EVENT_FIFO_SCLR,0x01,0x00,1); // clear Event FiFo

    787. 

  787. 	#ifdef CONFIG_TOUCHSCREEN_SSL_DEBUG

    788. 

  788. 	printk("		ssd253X_ts_probe: %04XdeviceInit OK!\n",ssl_input->id.product);

    789. 

  789. 	#endif

    790. 

  790. 

    791. 

  791. 	//if(ssl_priv->input->id.product==0x2531)		ssl_priv->Resolution=32;

    792. 

  792. 	//else if(ssl_priv->input->id.product==0x2533)	ssl_priv->Resolution=64;

    793. 

  793. 	//else

    794. 

  794. 	//{

    795. 

  795. 	//	#ifdef CONFIG_TOUCHSCREEN_SSL_DEBUG

    796. 

  796. 	//	printk("		ssd253x_ts_probe: ssl_input->id.product Error\n");

    797. 

  797. 	//	#endif

    798. 

  798. 	//	error=-ENODEV;

    799. 

  799. 	//	goto	err1;

    800. 

  800. 	//}

    801. 

  801. 

    802. 

  802. 	input_set_abs_params(ssl_input, ABS_MT_TRACKING_ID, 0,10, 0, 0);

    803. 

  803. 	input_set_abs_params(ssl_input, ABS_MT_TOUCH_MAJOR, 0, 1, 0, 0);

    804. 

  804. 	input_set_abs_params(ssl_input, ABS_MT_WIDTH_MAJOR, 0, 8, 0, 0);

    805. 

  805. 	input_set_abs_params(ssl_input, ABS_MT_POSITION_X,  0,SSDS53X_SCREEN_MAX_X + 1, 0, 0);

    806. 

  806. 	input_set_abs_params(ssl_input, ABS_MT_POSITION_Y,  0,SSDS53X_SCREEN_MAX_Y + 1, 0, 0);

    807. 

  807. 

    808. 

  808. 	//#ifdef (SSD253x_TOUCH_KEY || SSD253x_SIMULATED_KEY)

    809. 

  809. 	#ifdef SSD253x_TOUCH_KEY

    810. 

  810. 	set_bit(KEY_MENU, ssl_input->keybit);

    811. 

  811. 	set_bit(KEY_HOME, ssl_input->keybit);

    812. 

  812. 	set_bit(KEY_BACK, ssl_input->keybit);

    813. 

  813. 	set_bit(KEY_SEARCH, ssl_input->keybit);

    814. 

  814. 	#endif

    815. 

  815. 

    816. 

  816. 	

    817. 

  817. 

    818. 

  818. 	INIT_WORK(&ssl_priv->ssl_work, ssd253x_ts_work);

    819. 

  819. 	error = input_register_device(ssl_input);

    820. 

  820. 	if(error)

    821. 

  821. 	{

    822. 

  822. 		#ifdef CONFIG_TOUCHSCREEN_SSL_DEBUG

    823. 

  823. 		printk("		ssd253x_ts_probe: input_register_device input Error!\n");

    824. 

  824. 		#endif

    825. 

  825. 		error=-ENODEV;

    826. 

  826. 		goto	err1;

    827. 

  827. 	}

    828. 

  828. 	else

    829. 

  829. 	{

    830. 

  830. 		#ifdef CONFIG_TOUCHSCREEN_SSL_DEBUG

    831. 

  831. 		printk("		ssd253x_ts_probe: input_register_device input OK!\n");

    832. 

  832. 		#endif

    833. 

  833. 	}

    834. 

  834. 

    835. 

  835. 	if((ssl_priv->use_irq==1)||(ssl_priv->use_irq==2))

    836. 

  836. 	{

    837. 

  837. 		// Options for different interrupt system 

    838. 

  838. //		error = request_irq(ssl_priv->irq, ssd253x_ts_isr, IRQF_DISABLED|IRQF_TRIGGER_FALLING, client->name,ssl_priv);

    839. 

  839. //		error = request_irq(ssl_priv->irq, ssd253x_ts_isr, IRQF_TRIGGER_FALLING, client->name,ssl_priv);

    840. 

  840. //		error = request_irq(ssl_priv->irq, ssd253x_ts_isr, IRQF_TRIGGER_FALLING | IRQF_ONESHOT, client->name,ssl_priv);

    841. 

  841. 		error = request_irq(ssl_priv->irq, ssd253x_ts_isr, IRQF_TRIGGER_FALLING , client->name,ssl_priv);

    842. 

  842. 		if(error)

    843. 

  843. 		{

    844. 

  844. 			#ifdef CONFIG_TOUCHSCREEN_SSL_DEBUG

    845. 

  845. 			printk("		ssd253x_ts_probe: request_irq Error!\n");

    846. 

  846. 			#endif

    847. 

  847. 			error=-ENODEV;

    848. 

  848. 			goto err2;

    849. 

  849. 		}

    850. 

  850. 		else

    851. 

  851. 		{

    852. 

  852. 			#ifdef CONFIG_TOUCHSCREEN_SSL_DEBUG

    853. 

  853. 			printk("		ssd253x_ts_probe: request_irq OK!\n");

    854. 

  854. 			#endif

    855. 

  855. 		}	

    856. 

  856. 	}

    857. 

  857. 

    858. 

  858. 	if((ssl_priv->use_irq==0)||(ssl_priv->use_irq==2))

    859. 

  859. 	{

    860. 

  860. 		hrtimer_init(&ssl_priv->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);

    861. 

  861. 		ssl_priv->timer.function = ssd253x_ts_timer;

    862. 

  862. 		#ifdef CONFIG_TOUCHSCREEN_SSL_DEBUG

    863. 

  863. 		printk("		ssd253x_ts_probe: timer_init OK!\n");

    864. 

  864. 		#endif

    865. 

  865. 	}

    866. 

  866. #ifdef	CONFIG_HAS_EARLYSUSPEND

    867. 

  867. 	ssl_priv->early_suspend.suspend = ssd253x_ts_early_suspend;

    868. 

  868. 	ssl_priv->early_suspend.resume  = ssd253x_ts_late_resume;

    869. 

  869. 	ssl_priv->early_suspend.level   = EARLY_SUSPEND_LEVEL_BLANK_SCREEN+1;

    870. 

  870. 	register_early_suspend(&ssl_priv->early_suspend);

    871. 

  871. #endif 

    872. 

  872. 	return 0;

    873. 

  873. 

    874. 

  874. err2:	input_unregister_device(ssl_input);

    875. 

  875. err1:	input_free_device(ssl_input);

    876. 

  876. 	kfree(ssl_priv);

    877. 

  877. err0:	dev_set_drvdata(&client->dev, NULL);

    878. 

  878. 	return error;

    879. 

  879. }

    880. 

  880. 

    881. 

  881. static int ssd253x_ts_open(struct input_dev *dev)

    882. 

  882. {

    883. 

  883. 	struct ssl_ts_priv *ssl_priv = input_get_drvdata(dev);

    884. 

  884. 	#ifdef CONFIG_TOUCHSCREEN_SSL_DEBUG

    885. 

  885. 	printk("+-----------------------------------------+\n");

    886. 

  886. 	printk("|	ssd253x_ts_open!                  |\n");

    887. 

  887. 	printk("+-----------------------------------------+\n");

    888. 

  888. 	#endif	

    889. 

  889. 	deviceResume(ssl_priv->client);

    890. 

  890. 	if(ssl_priv->use_irq) enable_irq(ssl_priv->irq);

    891. 

  891. 	else hrtimer_start(&ssl_priv->timer, ktime_set(1, 0), HRTIMER_MODE_REL);

    892. 

  892. 	return 0;

    893. 

  893. }

    894. 

  894. 

    895. 

  895. static void ssd253x_ts_close(struct input_dev *dev)

    896. 

  896. {

    897. 

  897. 	struct ssl_ts_priv *ssl_priv = input_get_drvdata(dev);

    898. 

  898. 	#ifdef CONFIG_TOUCHSCREEN_SSL_DEBUG

    899. 

  899. 	printk("+-----------------------------------------+\n");

    900. 

  900. 	printk("|	ssd253x_ts_close!                 |\n");

    901. 

  901. 	printk("+-----------------------------------------+\n");

    902. 

  902. 	#endif

    903. 

  903. 	deviceSuspend(ssl_priv->client);

    904. 

  904. 	ssd253x_timer_flag = 0;

    905. 

  905. 	if((ssl_priv->use_irq==0)||(ssl_priv->use_irq==2)) hrtimer_cancel(&ssl_priv->timer);

    906. 

  906. 	if((ssl_priv->use_irq==1)||(ssl_priv->use_irq==2)) disable_irq(ssl_priv->irq);

    907. 

  907. }

    908. 

  908. 

    909. 

  909. static int ssd253x_ts_resume(struct i2c_client *client)

    910. 

  910. {

    911. 

  911. 	struct ssl_ts_priv *ssl_priv = dev_get_drvdata(&client->dev);

    912. 

  912. 	#ifdef CONFIG_TOUCHSCREEN_SSL_DEBUG

    913. 

  913. 	printk("+-----------------------------------------+\n");

    914. 

  914. 	printk("|	ssd253x_ts_resume!                |\n");

    915. 

  915. 	printk("+-----------------------------------------+\n");

    916. 

  916. 	#endif

    917. 

  917. 	deviceResume(client);

    918. 

  918. 	ssd253x_timer_flag = 0;

    919. 

  919. 	if(ssl_priv->use_irq) enable_irq(ssl_priv->irq);

    920. 

  920. 	else hrtimer_start(&ssl_priv->timer, ktime_set(1, 0), HRTIMER_MODE_REL);

    921. 

  921. 	return 0;

    922. 

  922. }

    923. 

  923. 

    924. 

  924. static int ssd253x_ts_suspend(struct i2c_client *client, pm_message_t mesg)

    925. 

  925. {

    926. 

  926. 	struct ssl_ts_priv *ssl_priv = dev_get_drvdata(&client->dev);

    927. 

  927. 	#ifdef CONFIG_TOUCHSCREEN_SSL_DEBUG

    928. 

  928. 	printk("+-----------------------------------------+\n");

    929. 

  929. 	printk("|	ssd253x_ts_suspend!               |\n");

    930. 

  930. 	printk("+-----------------------------------------+\n");

    931. 

  931. 	#endif

    932. 

  932. 	deviceSuspend(client);		

    933. 

  933. 	if((ssl_priv->use_irq==0)||(ssl_priv->use_irq==2)) hrtimer_cancel(&ssl_priv->timer);

    934. 

  934. 	if((ssl_priv->use_irq==1)||(ssl_priv->use_irq==2)) disable_irq(ssl_priv->irq);

    935. 

  935. 	return 0;

    936. 

  936. }

    937. 

  937. 

    938. 

  938. #ifdef	CONFIG_HAS_EARLYSUSPEND

    939. 

  939. static void ssd253x_ts_late_resume(struct early_suspend *h)

    940. 

  940. {

    941. 

  941. 	struct ssl_ts_priv *ssl_priv = container_of(h, struct ssl_ts_priv, early_suspend);

    942. 

  942. 	#ifdef CONFIG_TOUCHSCREEN_SSL_DEBUG

    943. 

  943. 	printk("+-----------------------------------------+\n");

    944. 

  944. 	printk("|	ssd253x_ts_late_resume!           |\n");

    945. 

  945. 	printk("+-----------------------------------------+\n");

    946. 

  946. 	#endif

    947. 

  947. 	ssd253x_ts_resume(ssl_priv->client);

    948. 

  948. }

    949. 

  949. static void ssd253x_ts_early_suspend(struct early_suspend *h)

    950. 

  950. {

    951. 

  951. 	struct ssl_ts_priv *ssl_priv = container_of(h, struct ssl_ts_priv, early_suspend);

    952. 

  952. 	#ifdef CONFIG_TOUCHSCREEN_SSL_DEBUG

    953. 

  953. 	printk("+-----------------------------------------+\n");

    954. 

  954. 	printk("|	ssd253x_ts_early_suspend!         |\n");

    955. 

  955. 	printk("+-----------------------------------------+\n");

    956. 

  956. 	#endif

    957. 

  957. 	ssd253x_ts_suspend(ssl_priv->client, PMSG_SUSPEND);

    958. 

  958. }

    959. 

  959. #endif

    960. 

  960. 

    961. 

  961. static int ssd253x_ts_remove(struct i2c_client *client)

    962. 

  962. {

    963. 

  963. 	struct ssl_ts_priv *ssl_priv = dev_get_drvdata(&client->dev);	

    964. 

  964. 	#ifdef CONFIG_TOUCHSCREEN_SSL_DEBUG

    965. 

  965. 	printk("+-----------------------------------------+\n");

    966. 

  966. 	printk("|	ssd253x_ts_remove !               |\n");

    967. 

  967. 	printk("+-----------------------------------------+\n");

    968. 

  968. 	#endif	

    969. 

  969. 	if((ssl_priv->use_irq==0)||(ssl_priv->use_irq==2)) hrtimer_cancel(&ssl_priv->timer);

    970. 

  970. 	if((ssl_priv->use_irq==1)||(ssl_priv->use_irq==2)) free_irq(ssl_priv->irq, ssl_priv);// free_irq()°´Æ½Ì¨Êµ¼ÊÇé¿öʹÓûòdisable

    971. 

  971. 	input_unregister_device(ssl_priv->input);

    972. 

  972. 	input_free_device(ssl_priv->input);

    973. 

  973. 	kfree(ssl_priv);

    974. 

  974. 	dev_set_drvdata(&client->dev, NULL);

    975. 

  975. 	return 0;

    976. 

  976. }

    977. 

  977. 

    978. 

  978. static irqreturn_t ssd253x_ts_isr(int irq, void *dev_id)

    979. 

  979. {

    980. 

  980. 	struct ssl_ts_priv *ssl_priv = dev_id;

    981. 

  981. 	#ifdef CONFIG_TOUCHSCREEN_SSL_DEBUG

    982. 

  982. 	printk("+-----------------------------------------+\n");

    983. 

  983. 	printk("|	ssd253x_ts_isr!                   |\n");

    984. 

  984. 	printk("+-----------------------------------------+\n");

    985. 

  985. 	#endif	

    986. 

  986. 	disable_irq_nosync(ssl_priv->irq);

    987. 

  987. 	queue_work(ssd253x_wq, &ssl_priv->ssl_work);

    988. 

  988. 	if(ssl_priv->use_irq==2)  enable_irq(ssl_priv->irq);

    989. 

  989. 	return IRQ_HANDLED;

    990. 

  990. }

    991. 

  991. 

    992. 

  992. static enum hrtimer_restart ssd253x_ts_timer(struct hrtimer *timer)

    993. 

  993. {

    994. 

  994. 	struct ssl_ts_priv *ssl_priv = container_of(timer, struct ssl_ts_priv, timer);

    995. 

  995. 	#ifdef CONFIG_TOUCHSCREEN_SSL_DEBUG

    996. 

  996. 	printk("+-----------------------------------------+\n");

    997. 

  997. 	printk("|	ssd253x_ts_timer!                 |\n");

    998. 

  998. 	printk("+-----------------------------------------+\n");

    999. 

  999. 	#endif

    1000. 

  1000. 	queue_work(ssd253x_wq, &ssl_priv->ssl_work);

    1001. 

  1001. 	if(ssl_priv->use_irq==0) hrtimer_start(&ssl_priv->timer, ktime_set(0, MicroTimeTInterupt), HRTIMER_MODE_REL);

    1002. 

  1002. 	return HRTIMER_NORESTART;

    1003. 

  1003. }

    1004. 

  1004. 

    1005. 

  1005. static const struct i2c_device_id ssd253x_ts_id[] = {

    1006. 

  1006. 	//{ "ssd253x-ts", 0 },

    1007. 

  1007. 	{ "ssd2533", 0 },

    1008. 

  1008. 	{ }

    1009. 

  1009. };

    1010. 

  1010. 

    1011. 

  1011. MODULE_DEVICE_TABLE(i2c, ssd253x_ts_id);

    1012. 

  1012. 

    1013. 

  1013. static struct i2c_driver ssd253x_ts_driver = {

    1014. 

  1014. 	.driver = {

    1015. 

  1015. 		//.name = "ssd253x-ts",

    1016. 

  1016. 		.name = "ssd2533",

    1017. 

  1017. 	},

    1018. 

  1018. 	.probe = ssd253x_ts_probe,

    1019. 

  1019. 	.remove = ssd253x_ts_remove,

    1020. 

  1020. #ifndef	CONFIG_HAS_EARLYSUSPEND

    1021. 

  1021. 	.suspend = ssd253x_ts_suspend,

    1022. 

  1022. 	.resume = ssd253x_ts_resume,

    1023. 

  1023. #endif

    1024. 

  1024. 	.id_table = ssd253x_ts_id,

    1025. 

  1025. };

    1026. 

  1026. 

    1027. 

  1027. 

    1028. 

  1028. static int ssd_init(void)

    1029. 

  1029. {

    1030. 

  1030. 	printk("%s \n", __func__);

    1031. 

  1031. #if 1

    1032. 

  1032. 	gpio_direction_output(GPIO_INT, 0);

    1033. 

  1033. 	mdelay(5);

    1034. 

  1034. 

    1035. 

  1035. 	//gpio_d23

    1036. 

  1036. 	gpio_direction_output(GPIO_POWER_EN, 0);

    1037. 

  1037. 	mdelay(1);

    1038. 

  1038. 	gpio_direction_output(GPIO_POWER_EN, 1);

    1039. 

  1039. 	mdelay(10);

    1040. 

  1040. 

    1041. 

  1041. 	gpio_direction_output(GPIO_RST, 1);

    1042. 

  1042. 	mdelay(10);

    1043. 

  1043. 	gpio_direction_output(GPIO_RST, 0);

    1044. 

  1044. 	mdelay(10);

    1045. 

  1045. 	gpio_direction_output(GPIO_RST, 1);

    1046. 

  1046. 	mdelay(40);

    1047. 

  1047. 

    1048. 

  1048. #endif

    1049. 

  1049. }

    1050. 

  1050. 

    1051. 

  1051. static char banner[] __initdata = KERN_INFO "SSL Touchscreen driver, (c) 2011 Solomon Systech Ltd.\n";

    1052. 

  1052. static int __init ssd253x_ts_init(void)

    1053. 

  1053. {

    1054. 

  1054. 	int ret;

    1055. 

  1055. 	#ifdef CONFIG_TOUCHSCREEN_SSL_DEBUG	

    1056. 

  1056. 	printk("+-----------------------------------------+\n");

    1057. 

  1057. 	printk("|	SSL_ts_init!                      |\n");

    1058. 

  1058. 	printk("+-----------------------------------------+\n");

    1059. 

  1059. 	#endif

    1060. 

  1060. 	ssd_init();

    1061. 

  1061. 

    1062. 

  1062. 	printk(banner);	

    1063. 

  1063. 	ssd253x_wq = create_singlethread_workqueue("ssd253x_wq");

    1064. 

  1064. 	if (!ssd253x_wq)

    1065. 

  1065. 	{

    1066. 

  1066. 		#ifdef CONFIG_TOUCHSCREEN_SSL_DEBUG

    1067. 

  1067. 		printk("		ssd253x_ts_init: create_singlethread_workqueue Error!\n");

    1068. 

  1068. 		#endif

    1069. 

  1069. 		return -ENOMEM;

    1070. 

  1070. 	}

    1071. 

  1071. 	else

    1072. 

  1072. 	{

    1073. 

  1073. 		#ifdef CONFIG_TOUCHSCREEN_SSL_DEBUG

    1074. 

  1074. 		printk("		ssd253x_ts_init: create_singlethread_workqueue OK!\n");

    1075. 

  1075. 		#endif

    1076. 

  1076. 	}

    1077. 

  1077. 	ret=i2c_add_driver(&ssd253x_ts_driver);

    1078. 

  1078. 	#ifdef CONFIG_TOUCHSCREEN_SSL_DEBUG

    1079. 

  1079. 	if(ret) printk("		ssd253x_ts_init: i2c_add_driver Error! \n");

    1080. 

  1080. 	else    printk("		ssd253x_ts_init: i2c_add_driver OK! \n");

    1081. 

  1081. 	#endif

    1082. 

  1082. 	return ret;

    1083. 

  1083. }

    1084. 

  1084. 

    1085. 

  1085. static void __exit ssd253x_ts_exit(void)	

    1086. 

  1086. {

    1087. 

  1087. 	#ifdef CONFIG_TOUCHSCREEN_SSL_DEBUG

    1088. 

  1088. 	printk("+-----------------------------------------+\n");

    1089. 

  1089. 	printk("|	ssd253x_ts_exit!                  |\n");

    1090. 

  1090. 	printk("+-----------------------------------------+\n");

    1091. 

  1091. 	#endif

    1092. 

  1092. 	i2c_del_driver(&ssd253x_ts_driver);

    1093. 

  1093. 	if (ssd253x_wq) destroy_workqueue(ssd253x_wq);

    1094. 

  1094. }

    1095. 

  1095. 

    1096. 

  1096. module_init(ssd253x_ts_init);

    1097. 

  1097. module_exit(ssd253x_ts_exit);

    1098. 

  1098. 

    1099. 

  1099. MODULE_AUTHOR("Solomon Systech Ltd - Design Technology, Icarus Choi");

    1100. 

  1100. MODULE_LICENSE("GPL v2");

    1101. 

  1101. MODULE_DESCRIPTION("ssd253x Touchscreen Driver 1.3");
    1102.