/* * drivers/input/touchscreen/gslX680.c * * Copyright (c) 2012 Shanghai Basewin * Guan Yuwei * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #include #include #include #include #include #include //#include //#include #include #include #include #include #if defined(CONFIG_HAS_EARLYSUSPEND) #include #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include //#include //#include //#include //#include //#include #include "gslX680.h" #include "wmt_ts.h" #include "../../../video/backlight/wmt_bl.h" //#define GSL_DEBUG //#define GSL_TIMER //#define REPORT_DATA_ANDROID_4_0 #define HAVE_TOUCH_KEY #define SCREEN_MAX_X 480 #define SCREEN_MAX_Y 800 #define GSLX680_I2C_NAME "touch_gslX680" #define GSLX680_I2C_ADDR 0x40 #define IRQ_PORT INT_GPIO_0 #define GSL_DATA_REG 0x80 #define GSL_STATUS_REG 0xe0 #define GSL_PAGE_REG 0xf0 #define PRESS_MAX 255 #define MAX_FINGERS 5 #define MAX_CONTACTS 10 #define DMA_TRANS_LEN 0x20 #ifdef GSL_NOID_VERSION int gsl_noid_ver = 0; unsigned int gsl_config_data_id[512] = {0}; #endif #ifdef HAVE_TOUCH_KEY static u16 key = 0; static int key_state_flag = 0; struct key_data { u16 key; u16 x_min; u16 x_max; u16 y_min; u16 y_max; }; const u16 key_array[]={ KEY_BACK, KEY_HOME, KEY_MENU, KEY_SEARCH, }; #define MAX_KEY_NUM (sizeof(key_array)/sizeof(key_array[0])) struct key_data gsl_key_data[MAX_KEY_NUM] = { {KEY_BACK, 2048, 2048, 2048, 2048}, {KEY_HOME, 2048, 2048, 2048, 2048}, {KEY_MENU, 2048, 2048, 2048, 2048}, {KEY_SEARCH, 2048, 2048, 2048, 2048}, }; #endif struct gsl_ts_data { u8 x_index; u8 y_index; u8 z_index; u8 id_index; u8 touch_index; u8 data_reg; u8 status_reg; u8 data_size; u8 touch_bytes; u8 update_data; u8 touch_meta_data; u8 finger_size; }; static struct gsl_ts_data devices[] = { { .x_index = 6, .y_index = 4, .z_index = 5, .id_index = 7, .data_reg = GSL_DATA_REG, .status_reg = GSL_STATUS_REG, .update_data = 0x4, .touch_bytes = 4, .touch_meta_data = 4, .finger_size = 70, }, }; struct gsl_ts { struct i2c_client *client; struct input_dev *input; struct work_struct work; struct workqueue_struct *wq; struct gsl_ts_data *dd; u8 *touch_data; u8 device_id; u8 prev_touches; bool is_suspended; bool int_pending; struct mutex sus_lock; // uint32_t gpio_irq; int irq; #if defined(CONFIG_HAS_EARLYSUSPEND) struct early_suspend early_suspend; #endif #ifdef GSL_TIMER struct timer_list gsl_timer; #endif struct workqueue_struct *timeout_queue; struct delayed_work timeout_work; struct mutex timeout_mutex; int timeout_count; }; #define DELAY_TIMEOUT 1000 #define DELAY_TIMEOUT_MAX 3 struct gsl_ts *l_ts=NULL; static u32 id_sign[MAX_CONTACTS+1] = {0}; static u8 id_state_flag[MAX_CONTACTS+1] = {0}; static u8 id_state_old_flag[MAX_CONTACTS+1] = {0}; static u16 x_old[MAX_CONTACTS+1] = {0}; static u16 y_old[MAX_CONTACTS+1] = {0}; static u16 x_new = 0; static u16 y_new = 0; static struct fw_data* GSLX680_FW = NULL; static int l_fwlen = 0; static struct task_struct *resume_download_task; static struct wake_lock downloadWakeLock; static int is_delay = 0; extern int tp_led_gpio; extern int tp_led_gpio_active; extern int sel_reg_bit; extern int sel_reg_active; extern int register_bl_notifier(struct notifier_block *nb); extern int unregister_bl_notifier(struct notifier_block *nb); extern int wmt_getsyspara(char *varname, unsigned char *varval, int *varlen); //////////////////////////////////////////////////////////////////// static int wmt_get_fwdata(void); //////////////////////////////////////////////////////////////////// static int gslX680_chip_init(void) { //gpio_set_status(PAD_GPIOA_6, gpio_status_out); //gpio_out(PAD_GPIOA_6, 1); // shutdown pin wmt_rst_output(1); // irq pin //gpio_set_status(PAD_GPIOA_16, gpio_status_in); //gpio_irq_set(PAD_GPIOA_16, GPIO_IRQ(INT_GPIO_0-INT_GPIO_0, GPIO_IRQ_RISING)); wmt_set_gpirq(IRQ_TYPE_EDGE_RISING);//GIRQ_FALLING); wmt_disable_gpirq(); msleep(20); return 0; } static int gslX680_shutdown_low(void) { //gpio_set_status(PAD_GPIOA_6, gpio_status_out); //gpio_out(PAD_GPIOA_6, 0); wmt_rst_output(0); return 0; } static int gslX680_shutdown_high(void) { //gpio_set_status(PAD_GPIOA_6, gpio_status_out); //gpio_out(PAD_GPIOA_6, 1); wmt_rst_output(1); return 0; } static inline u16 join_bytes(u8 a, u8 b) { u16 ab = 0; ab = ab | a; ab = ab << 8 | b; return ab; } #if 0 static u32 gsl_read_interface(struct i2c_client *client, u8 reg, u8 *buf, u32 num) { struct i2c_msg xfer_msg[2]; xfer_msg[0].addr = client->addr; xfer_msg[0].len = 1; xfer_msg[0].flags = client->flags & I2C_M_TEN; xfer_msg[0].buf = ® xfer_msg[1].addr = client->addr; xfer_msg[1].len = num; xfer_msg[1].flags |= I2C_M_RD; xfer_msg[1].buf = buf; if (reg < 0x80) { i2c_transfer(client->adapter, xfer_msg, ARRAY_SIZE(xfer_msg)); msleep(5); } return i2c_transfer(client->adapter, xfer_msg, ARRAY_SIZE(xfer_msg)) == ARRAY_SIZE(xfer_msg) ? 0 : -EFAULT; } #endif static u32 gsl_write_interface(struct i2c_client *client, const u8 reg, u8 *buf, u32 num) { struct i2c_msg xfer_msg[1]; buf[0] = reg; xfer_msg[0].addr = client->addr; xfer_msg[0].len = num + 1; xfer_msg[0].flags = client->flags & I2C_M_TEN; xfer_msg[0].buf = buf; return i2c_transfer(client->adapter, xfer_msg, 1) == 1 ? 0 : -EFAULT; } static __inline__ void fw2buf(u8 *buf, const u32 *fw) { u32 *u32_buf = (int *)buf; *u32_buf = *fw; } static int wmt_get_fwdata(void) { char fwname[128]; // get the firmware file name memset(fwname,0,sizeof(fwname)); wmt_ts_get_firmwfilename(fwname); // load the data into GSLX680_FW l_fwlen = read_firmwfile(fwname, &GSLX680_FW, gsl_config_data_id); return ((l_fwlen>0)?0:-1); } static void gsl_load_fw(struct i2c_client *client) { u8 buf[DMA_TRANS_LEN*4 + 1] = {0}; u8 send_flag = 1; u8 *cur = buf + 1; u32 source_line = 0; u32 source_len = l_fwlen;//ARRAY_SIZE(GSLX680_FW); printk("=============gsl_load_fw start==============\n"); for (source_line = 0; source_line < source_len; source_line++) { /* init page trans, set the page val */ if (GSL_PAGE_REG == GSLX680_FW[source_line].offset) { fw2buf(cur, &GSLX680_FW[source_line].val); gsl_write_interface(client, GSL_PAGE_REG, buf, 4); send_flag = 1; } else { if (1 == send_flag % (DMA_TRANS_LEN < 0x20 ? DMA_TRANS_LEN : 0x20)) buf[0] = (u8)GSLX680_FW[source_line].offset; fw2buf(cur, &GSLX680_FW[source_line].val); cur += 4; if (0 == send_flag % (DMA_TRANS_LEN < 0x20 ? DMA_TRANS_LEN : 0x20)) { gsl_write_interface(client, buf[0], buf, cur - buf - 1); cur = buf + 1; } send_flag++; } } printk("=============gsl_load_fw end==============\n"); } static int gsl_ts_write(struct i2c_client *client, u8 addr, u8 *pdata, int datalen) { int ret = 0; u8 tmp_buf[128]; unsigned int bytelen = 0; if (datalen > 125) { dbg("%s too big datalen = %d!\n", __func__, datalen); return -1; } tmp_buf[0] = addr; bytelen++; if (datalen != 0 && pdata != NULL) { memcpy(&tmp_buf[bytelen], pdata, datalen); bytelen += datalen; } ret = i2c_master_send(client, tmp_buf, bytelen); return ret; } static int gsl_ts_read(struct i2c_client *client, u8 addr, u8 *pdata, unsigned int datalen) { int ret = 0; if (datalen > 126) { dbg("%s too big datalen = %d!\n", __func__, datalen); return -1; } ret = gsl_ts_write(client, addr, NULL, 0); if (ret < 0) { dbg("%s set data address fail!\n", __func__); return ret; } return i2c_master_recv(client, pdata, datalen); } #if 0 static void test_i2c(struct i2c_client *client) { u8 read_buf = 0; u8 write_buf = 0x12; int ret; ret = gsl_ts_read( client, 0xf0, &read_buf, sizeof(read_buf) ); if (ret < 0) { pr_info("I2C transfer error!\n"); } else { pr_info("I read reg 0xf0 is %x\n", read_buf); } msleep(10); ret = gsl_ts_write(client, 0xf0, &write_buf, sizeof(write_buf)); if (ret < 0) { pr_info("I2C transfer error!\n"); } else { pr_info("I write reg 0xf0 0x12\n"); } msleep(10); ret = gsl_ts_read( client, 0xf0, &read_buf, sizeof(read_buf) ); if (ret < 0 ) { pr_info("I2C transfer error!\n"); } else { pr_info("I read reg 0xf0 is 0x%x\n", read_buf); } msleep(10); } #endif static int test_i2c(struct i2c_client *client) { u8 read_buf = 0; u8 write_buf = 0x12; int ret, rc = 1; ret = gsl_ts_read( client, 0xf0, &read_buf, sizeof(read_buf) ); if (ret < 0) rc --; else dbg("I read reg 0xf0 is %x\n", read_buf); msleep(2); ret = gsl_ts_write(client, 0xf0, &write_buf, sizeof(write_buf)); if(ret >= 0 ) dbg("I write reg 0xf0 0x12\n"); msleep(2); ret = gsl_ts_read( client, 0xf0, &read_buf, sizeof(read_buf) ); if(ret < 0 ) rc --; else dbg("I read reg 0xf0 is 0x%x\n", read_buf); return rc; } static void startup_chip(struct i2c_client *client) { u8 tmp = 0x00; #ifdef GSL_NOID_VERSION if (gsl_noid_ver) gsl_DataInit(gsl_config_data_id); #endif gsl_ts_write(client, 0xe0, &tmp, 1); msleep(10); } static void reset_chip(struct i2c_client *client) { u8 buf[4] = {0x00}; u8 tmp = 0x88; gsl_ts_write(client, 0xe0, &tmp, sizeof(tmp)); msleep(10); tmp = 0x04; gsl_ts_write(client, 0xe4, &tmp, sizeof(tmp)); msleep(10); gsl_ts_write(client, 0xbc, buf, sizeof(buf)); msleep(10); } static void clr_reg(struct i2c_client *client) { u8 write_buf[4] = {0}; write_buf[0] = 0x88; gsl_ts_write(client, 0xe0, &write_buf[0], 1); msleep(20); write_buf[0] = 0x03; gsl_ts_write(client, 0x80, &write_buf[0], 1); msleep(5); write_buf[0] = 0x04; gsl_ts_write(client, 0xe4, &write_buf[0], 1); msleep(5); write_buf[0] = 0x00; gsl_ts_write(client, 0xe0, &write_buf[0], 1); msleep(20); } static void init_chip(struct i2c_client *client) { int rc; gslX680_shutdown_low(); msleep(20); gslX680_shutdown_high(); msleep(20); rc = test_i2c(client); if(rc < 0) { printk("------gslX680 test_i2c error------\n"); return; } clr_reg(client); reset_chip(client); gsl_load_fw(client); startup_chip(client); reset_chip(client); startup_chip(client); } static void check_mem_data(struct i2c_client *client) { /*char write_buf; char read_buf[4] = {0}; msleep(30); write_buf = 0x00; gsl_ts_write(client,0xf0, &write_buf, sizeof(write_buf)); gsl_ts_read(client,0x00, read_buf, sizeof(read_buf)); gsl_ts_read(client,0x00, read_buf, sizeof(read_buf)); if (read_buf[3] != 0x1 || read_buf[2] != 0 || read_buf[1] != 0 || read_buf[0] != 0) { dbg("!!!!!!!!!!!page: %x offset: %x val: %x %x %x %x\n",0x0, 0x0, read_buf[3], read_buf[2], read_buf[1], read_buf[0]); init_chip(client); }*/ u8 read_buf[4] = {0}; msleep(30); gsl_ts_read(client,0xb0, read_buf, sizeof(read_buf)); if (read_buf[3] != 0x5a || read_buf[2] != 0x5a || read_buf[1] != 0x5a || read_buf[0] != 0x5a) { printk("#########check mem read 0xb0 = %x %x %x %x #########\n", read_buf[3], read_buf[2], read_buf[1], read_buf[0]); init_chip(client); } } static void record_point(u16 x, u16 y , u8 id) { u16 x_err =0; u16 y_err =0; id_sign[id]=id_sign[id]+1; if(id_sign[id]==1){ x_old[id]=x; y_old[id]=y; } x = (x_old[id] + x)/2; y = (y_old[id] + y)/2; if(x>x_old[id]){ x_err=x -x_old[id]; } else{ x_err=x_old[id]-x; } if(y>y_old[id]){ y_err=y -y_old[id]; } else{ y_err=y_old[id]-y; } if( (x_err > 3 && y_err > 1) || (x_err > 1 && y_err > 3) ){ x_new = x; x_old[id] = x; y_new = y; y_old[id] = y; } else{ if(x_err > 3){ x_new = x; x_old[id] = x; } else x_new = x_old[id]; if(y_err> 3){ y_new = y; y_old[id] = y; } else y_new = y_old[id]; } if(id_sign[id]==1){ x_new= x_old[id]; y_new= y_old[id]; } } void wmt_set_keypos(int index,int xmin,int xmax,int ymin,int ymax) { gsl_key_data[index].x_min = xmin; gsl_key_data[index].x_max = xmax; gsl_key_data[index].y_min = ymin; gsl_key_data[index].y_max = ymax; } #ifdef HAVE_TOUCH_KEY static void report_key(struct gsl_ts *ts, u16 x, u16 y) { u16 i = 0; for(i = 0; i < MAX_KEY_NUM; i++) { if((gsl_key_data[i].x_min <= x) && (x <= gsl_key_data[i].x_max)&&(gsl_key_data[i].y_min <= y) && (y <= gsl_key_data[i].y_max)) { key = gsl_key_data[i].key; input_report_key(ts->input, key, 1); input_sync(ts->input); key_state_flag = 1; dbg("rport key:%d\n",key); if( tp_led_gpio >= 0 ){ gpio_set_value(tp_led_gpio,tp_led_gpio_active); mutex_lock(&ts->timeout_mutex); if( ts->timeout_count < 0 ){ queue_delayed_work(ts->timeout_queue, &ts->timeout_work, msecs_to_jiffies(DELAY_TIMEOUT)); } ts->timeout_count = DELAY_TIMEOUT_MAX; mutex_unlock(&ts->timeout_mutex); } break; } } } #endif static void report_data(struct gsl_ts *ts, u16 x, u16 y, u8 pressure, u8 id) { //swap(x, y); int tx,ty; int keyx,keyy; dbg("#####id=%d,x=%d,y=%d######\n",id,x,y); tx = x; ty = y; keyx = x; keyy = y; if( (x>=wmt_ts_get_resolvX()&&x>=wmt_ts_get_resolvY()) || (y>= wmt_ts_get_resolvX()&&y>= wmt_ts_get_resolvY())) { #ifdef HAVE_TOUCH_KEY if (wmt_ts_if_tskey()) { report_key(ts,keyx,keyy); } #endif return; } if (wmt_ts_get_xaxis()==1) { tx = y; ty = x; } if (wmt_ts_get_xdir()==-1) { tx = wmt_ts_get_resolvX() - tx - 1; } if (wmt_ts_get_ydir()==-1) { ty = wmt_ts_get_resolvY() - ty - 1; } /*if ((tx < 0) || (tx >= wmt_ts_get_resolvX()) || (ty < 0) || (ty >= wmt_ts_get_resolvY())) { dbg("Invalid point(%d,%d)\n"); return; }*/ x = tx; y = ty; if (wmt_ts_get_lcdexchg()) { int tmp; tmp = x; x = y; y = wmt_ts_get_resolvX() - tmp; } dbg("rpt%d(%d,%d)\n",id,x,y); #ifdef REPORT_DATA_ANDROID_4_0 input_mt_slot(ts->input, id); input_report_abs(ts->input, ABS_MT_TRACKING_ID, id); //input_report_abs(ts->input, ABS_MT_TOUCH_MAJOR, pressure); input_report_abs(ts->input, ABS_MT_POSITION_X, x); input_report_abs(ts->input, ABS_MT_POSITION_Y, y); //input_report_abs(ts->input, ABS_MT_WIDTH_MAJOR, 1); #else //add for cross finger 2013-1-10 input_report_key(ts->input, BTN_TOUCH, 1); input_report_abs(ts->input, ABS_MT_TRACKING_ID, id); //input_report_abs(ts->input, ABS_MT_TOUCH_MAJOR, pressure); input_report_abs(ts->input, ABS_MT_POSITION_X,x); input_report_abs(ts->input, ABS_MT_POSITION_Y, y); //input_report_abs(ts->input, ABS_MT_WIDTH_MAJOR, 1); input_mt_sync(ts->input); #endif } static void process_gslX680_data(struct gsl_ts *ts) { u8 id, touches; u16 x, y; int i = 0; #ifdef GSL_NOID_VERSION u32 tmp1; u8 buf[4] = {0}; struct gsl_touch_info cinfo; #endif touches = ts->touch_data[ts->dd->touch_index]; #ifdef GSL_NOID_VERSION if (gsl_noid_ver) { cinfo.finger_num = touches; dbg("tp-gsl finger_num = %d\n",cinfo.finger_num); for(i = 0; i < (touches < MAX_CONTACTS ? touches : MAX_CONTACTS); i ++) { cinfo.x[i] = join_bytes( ( ts->touch_data[ts->dd->x_index + 4 * i + 1] & 0xf), ts->touch_data[ts->dd->x_index + 4 * i]); cinfo.y[i] = join_bytes(ts->touch_data[ts->dd->y_index + 4 * i + 1], ts->touch_data[ts->dd->y_index + 4 * i ]); cinfo.id[i] = ((ts->touch_data[ts->dd->x_index + 4 * i + 1] & 0xf0)>>4); dbg("tp-gsl x = %d y = %d \n",cinfo.x[i],cinfo.y[i]); } cinfo.finger_num=(ts->touch_data[3]<<24)|(ts->touch_data[2]<<16) |(ts->touch_data[1]<<8)|(ts->touch_data[0]); gsl_alg_id_main(&cinfo); tmp1=gsl_mask_tiaoping(); dbg("[tp-gsl] tmp1=%x\n",tmp1); if(tmp1>0&&tmp1<0xffffffff) { buf[0]=0xa;buf[1]=0;buf[2]=0;buf[3]=0; gsl_ts_write(ts->client,0xf0,buf,4); buf[0]=(u8)(tmp1 & 0xff); buf[1]=(u8)((tmp1>>8) & 0xff); buf[2]=(u8)((tmp1>>16) & 0xff); buf[3]=(u8)((tmp1>>24) & 0xff); dbg("tmp1=%08x,buf[0]=%02x,buf[1]=%02x,buf[2]=%02x,buf[3]=%02x\n", tmp1,buf[0],buf[1],buf[2],buf[3]); gsl_ts_write(ts->client,0x8,buf,4); } touches = cinfo.finger_num; } #endif for(i=1;i<=MAX_CONTACTS;i++) { if(touches == 0) id_sign[i] = 0; id_state_flag[i] = 0; } for(i= 0;i < (touches > MAX_FINGERS ? MAX_FINGERS : touches);i ++) { #ifdef GSL_NOID_VERSION if (gsl_noid_ver) { id = cinfo.id[i]; x = cinfo.x[i]; y = cinfo.y[i]; } else { x = join_bytes( ( ts->touch_data[ts->dd->x_index + 4 * i + 1] & 0xf), ts->touch_data[ts->dd->x_index + 4 * i]); y = join_bytes(ts->touch_data[ts->dd->y_index + 4 * i + 1], ts->touch_data[ts->dd->y_index + 4 * i ]); id = ts->touch_data[ts->dd->id_index + 4 * i] >> 4; } #endif if(1 <=id && id <= MAX_CONTACTS) { dbg("raw%d(%d,%d)\n", id, x, y); record_point(x, y , id); dbg("new%d(%d,%d)\n", id, x_new, y_new); report_data(ts, x_new, y_new, 10, id); id_state_flag[id] = 1; } } for(i=1;i<=MAX_CONTACTS;i++) { if( (0 == touches) || ((0 != id_state_old_flag[i]) && (0 == id_state_flag[i])) ) { #ifdef REPORT_DATA_ANDROID_4_0 input_mt_slot(ts->input, i); input_report_abs(ts->input, ABS_MT_TRACKING_ID, -1); input_mt_report_slot_state(ts->input, MT_TOOL_FINGER, false); #endif id_sign[i]=0; } id_state_old_flag[i] = id_state_flag[i]; } #ifndef REPORT_DATA_ANDROID_4_0 if(0 == touches) { //add 2013-1-10 cross fingers //input_report_abs(ts->input, ABS_MT_TRACKING_ID, -1); input_report_key(ts->input, BTN_TOUCH, 0); //********************** input_mt_sync(ts->input); #ifdef HAVE_TOUCH_KEY if (wmt_ts_if_tskey()) { if(key_state_flag) { input_report_key(ts->input, key, 0); input_sync(ts->input); key_state_flag = 0; } } #endif } #endif input_sync(ts->input); ts->prev_touches = touches; } static void gsl_ts_xy_worker(struct work_struct *work) { int rc; u8 read_buf[4] = {0}; struct gsl_ts *ts = container_of(work, struct gsl_ts,work); dbg("---gsl_ts_xy_worker---\n"); if (ts->is_suspended == true) { dev_dbg(&ts->client->dev, "TS is supended\n"); ts->int_pending = true; goto schedule; } /* read data from DATA_REG */ rc = gsl_ts_read(ts->client, 0x80, ts->touch_data, ts->dd->data_size); dbg("---touches: %d ---\n",ts->touch_data[0]); if (rc < 0) { dev_err(&ts->client->dev, "read failed\n"); goto schedule; } if (ts->touch_data[ts->dd->touch_index] == 0xff) { goto schedule; } rc = gsl_ts_read( ts->client, 0xbc, read_buf, sizeof(read_buf)); if (rc < 0) { dev_err(&ts->client->dev, "read 0xbc failed\n"); goto schedule; } dbg("//////// reg %x : %x %x %x %x\n",0xbc, read_buf[3], read_buf[2], read_buf[1], read_buf[0]); if (read_buf[3] == 0 && read_buf[2] == 0 && read_buf[1] == 0 && read_buf[0] == 0) { process_gslX680_data(ts); } else { reset_chip(ts->client); startup_chip(ts->client); } schedule: //enable_irq(ts->irq); wmt_enable_gpirq(); } static irqreturn_t gsl_ts_irq(int irq, void *dev_id) { struct gsl_ts *ts = dev_id; if (wmt_is_tsint()) { wmt_clr_int(); if (wmt_is_tsirq_enable() && ts->is_suspended == false) { wmt_disable_gpirq(); dbg("begin..\n"); //if (!work_pending(&l_tsdata.pen_event_work)) { queue_work(ts->wq, &ts->work); } } return IRQ_HANDLED; } return IRQ_NONE; /*disable_irq_nosync(ts->irq); if (!work_pending(&ts->work)) { queue_work(ts->wq, &ts->work); } return IRQ_HANDLED;*/ } #ifdef GSL_TIMER static void gsl_timer_handle(unsigned long data) { struct gsl_ts *ts = (struct gsl_ts *)data; #ifdef GSL_DEBUG dbg("----------------gsl_timer_handle-----------------\n"); #endif disable_irq_nosync(ts->irq); check_mem_data(ts->client); ts->gsl_timer.expires = jiffies + 3 * HZ; add_timer(&ts->gsl_timer); enable_irq(ts->irq); } #endif static int gsl_ts_init_ts(struct i2c_client *client, struct gsl_ts *ts) { struct input_dev *input_device; int i; int rc = 0; dbg("[GSLX680] Enter %s\n", __func__); ts->dd = &devices[ts->device_id]; if (ts->device_id == 0) { ts->dd->data_size = MAX_FINGERS * ts->dd->touch_bytes + ts->dd->touch_meta_data; ts->dd->touch_index = 0; } ts->touch_data = kzalloc(ts->dd->data_size, GFP_KERNEL); if (!ts->touch_data) { pr_err("%s: Unable to allocate memory\n", __func__); return -ENOMEM; } ts->prev_touches = 0; input_device = input_allocate_device(); if (!input_device) { rc = -ENOMEM; goto error_alloc_dev; } ts->input = input_device; input_device->name = GSLX680_I2C_NAME; input_device->id.bustype = BUS_I2C; input_device->dev.parent = &client->dev; input_set_drvdata(input_device, ts); #ifdef REPORT_DATA_ANDROID_4_0 __set_bit(EV_ABS, input_device->evbit); __set_bit(EV_KEY, input_device->evbit); __set_bit(EV_REP, input_device->evbit); __set_bit(INPUT_PROP_DIRECT, input_device->propbit); input_mt_init_slots(input_device, (MAX_CONTACTS+1)); #else //input_set_abs_params(input_device,ABS_MT_TRACKING_ID, 0, (MAX_CONTACTS+1), 0, 0); set_bit(EV_ABS, input_device->evbit); set_bit(EV_KEY, input_device->evbit); __set_bit(INPUT_PROP_DIRECT, input_device->propbit); #endif input_device->evbit[0] = BIT_MASK(EV_SYN) | BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); #ifdef HAVE_TOUCH_KEY //input_device->evbit[0] = BIT_MASK(EV_KEY); if (wmt_ts_if_tskey()) { for (i = 0; i < MAX_KEY_NUM; i++) set_bit(key_array[i], input_device->keybit); } #endif set_bit(ABS_MT_POSITION_X, input_device->absbit); set_bit(ABS_MT_POSITION_Y, input_device->absbit); //set_bit(ABS_MT_TOUCH_MAJOR, input_device->absbit); //set_bit(ABS_MT_WIDTH_MAJOR, input_device->absbit); //****************add 2013-1-10 set_bit(BTN_TOUCH, input_device->keybit); set_bit(ABS_MT_TRACKING_ID, input_device->absbit); dbg("regsister:x=%d,y=%d\n",wmt_ts_get_resolvX(),wmt_ts_get_resolvY()); if (wmt_ts_get_lcdexchg()) { input_set_abs_params(input_device,ABS_MT_POSITION_X, 0, wmt_ts_get_resolvY(), 0, 0); input_set_abs_params(input_device,ABS_MT_POSITION_Y, 0, wmt_ts_get_resolvX(), 0, 0); } else { input_set_abs_params(input_device,ABS_MT_POSITION_X, 0, wmt_ts_get_resolvX(), 0, 0); input_set_abs_params(input_device,ABS_MT_POSITION_Y, 0, wmt_ts_get_resolvY(), 0, 0); } //input_set_abs_params(input_device,ABS_MT_TOUCH_MAJOR, 0, PRESS_MAX, 0, 0); //input_set_abs_params(input_device,ABS_MT_WIDTH_MAJOR, 0, 200, 0, 0); //client->irq = IRQ_PORT, //ts->irq = client->irq; ts->wq = create_singlethread_workqueue("kworkqueue_ts"); if (!ts->wq) { dev_err(&client->dev, "Could not create workqueue\n"); goto error_wq_create; } flush_workqueue(ts->wq); INIT_WORK(&ts->work, gsl_ts_xy_worker); rc = input_register_device(input_device); if (rc) goto error_unreg_device; return 0; error_unreg_device: destroy_workqueue(ts->wq); error_wq_create: input_free_device(input_device); error_alloc_dev: kfree(ts->touch_data); return rc; } static int gsl_ts_suspend(struct platform_device *pdev, pm_message_t state) { struct gsl_ts *ts = l_ts; //dev_get_drvdata(dev); //int rc = 0; printk("I'am in gsl_ts_suspend() start\n"); ts->is_suspended = true; #ifdef GSL_TIMER printk( "gsl_ts_suspend () : delete gsl_timer\n"); del_timer(&ts->gsl_timer); #endif //disable_irq_nosync(ts->irq); wmt_disable_gpirq(); reset_chip(ts->client); gslX680_shutdown_low(); msleep(10); return 0; } int resume_download_thread(void *arg) { wake_lock(&downloadWakeLock); gslX680_chip_init(); gslX680_shutdown_high(); msleep(20); reset_chip(l_ts->client); startup_chip(l_ts->client); //check_mem_data(l_ts->client); init_chip(l_ts->client); l_ts->is_suspended = false; if (!earlysus_en) wmt_enable_gpirq(); wake_unlock(&downloadWakeLock); return 0; } static int gsl_ts_resume(struct platform_device *pdev) { gpio_direction_output(tp_led_gpio, !tp_led_gpio_active); #ifdef GSL_TIMER dbg( "gsl_ts_resume () : add gsl_timer\n"); init_timer(&ts->gsl_timer); ts->gsl_timer.expires = jiffies + 3 * HZ; ts->gsl_timer.function = &gsl_timer_handle; ts->gsl_timer.data = (unsigned long)ts; add_timer(&ts->gsl_timer); #endif if (is_delay) { resume_download_task = kthread_create(resume_download_thread, NULL , "resume_download"); if(IS_ERR(resume_download_task)) { errlog("cread thread failed\n"); } wake_up_process(resume_download_task); } else resume_download_thread(NULL); return 0; } #ifdef CONFIG_HAS_EARLYSUSPEND static void gsl_ts_early_suspend(struct early_suspend *h) { //struct gsl_ts *ts = container_of(h, struct gsl_ts, early_suspend); dbg("[GSL1680] Enter %s\n", __func__); //gsl_ts_suspend(&ts->client->dev); wmt_disable_gpirq(); } static void gsl_ts_late_resume(struct early_suspend *h) { //struct gsl_ts *ts = container_of(h, struct gsl_ts, early_suspend); dbg("[GSL1680] Enter %s\n", __func__); //gsl_ts_resume(&ts->client->dev); wmt_enable_gpirq(); } #endif static void check_Backlight_delay(void) { int ret; int len = 7; char retval[8]; ret = wmt_getsyspara("wmt.backlight.delay", retval, &len); if(ret) { dbg("Read wmt.backlight.delay Failed.\n"); is_delay = 0; } else is_delay = 1; } static void timeout_func(struct work_struct *work){ struct gsl_ts *ts = container_of(work, struct gsl_ts, timeout_work.work); int button_up = -1; mutex_lock(&ts->timeout_mutex); button_up = --ts->timeout_count; mutex_unlock(&ts->timeout_mutex); if( button_up < 0){ gpio_set_value(tp_led_gpio,!tp_led_gpio_active); }else{ queue_delayed_work(ts->timeout_queue, &ts->timeout_work, msecs_to_jiffies(DELAY_TIMEOUT)); } } static int gsl_ts_probe(struct i2c_client *client) { struct gsl_ts *ts; int rc; dbg("GSLX680 Enter %s\n", __func__); if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { dev_err(&client->dev, "I2C functionality not supported\n"); return -ENODEV; } if (wmt_get_fwdata()) { errlog("Failed to load the firmware data!\n"); return -1; } ts = kzalloc(sizeof(*ts), GFP_KERNEL); if (!ts) { rc = -ENOMEM; goto error_kfree_fw; } dbg("==kzalloc success=\n"); l_ts = ts; ts->client = client; i2c_set_clientdata(client, ts); ts->device_id = 0;//id->driver_data; ts->is_suspended = false; ts->int_pending = false; wake_lock_init(&downloadWakeLock, WAKE_LOCK_SUSPEND, "resume_download"); mutex_init(&ts->sus_lock); rc = gsl_ts_init_ts(client, ts); if (rc < 0) { dev_err(&client->dev, "GSLX680 init failed\n"); goto error_mutex_destroy; } gslX680_chip_init(); init_chip(ts->client); check_mem_data(ts->client); ts->irq = wmt_get_tsirqnum(); rc= request_irq(wmt_get_tsirqnum(), gsl_ts_irq, IRQF_SHARED, client->name, ts); if (rc < 0) { dbg( "gsl_probe: request irq failed\n"); goto error_req_irq_fail; } if( tp_led_gpio >= 0 ){ if(gpio_request(tp_led_gpio, "tp_led_gpio") >= 0){ wmt_gpio_setpull(tp_led_gpio, tp_led_gpio_active ? WMT_GPIO_PULL_UP : WMT_GPIO_PULL_DOWN); gpio_direction_output(tp_led_gpio, !tp_led_gpio_active); #if 0 errlog("sel_reg_bit:%d sel_reg_active:%d\n",sel_reg_bit,sel_reg_active); if(sel_reg_bit >= 0 && sel_reg_active >= 0){ if(sel_reg_active == 0){ REG32_VAL(__GPIO_BASE+PIN_SHARING_SEL_OFFSET) &= ~(1<timeout_mutex); ts->timeout_count = -1; ts->timeout_queue= create_singlethread_workqueue("timeout_queue"); INIT_DELAYED_WORK(&ts->timeout_work,timeout_func); } #ifdef GSL_TIMER dbg( "gsl_ts_probe () : add gsl_timer\n"); init_timer(&ts->gsl_timer); ts->gsl_timer.expires = jiffies + 3 * HZ; //¶¨Ê±3 ÃëÖÓ ts->gsl_timer.function = &gsl_timer_handle; ts->gsl_timer.data = (unsigned long)ts; add_timer(&ts->gsl_timer); #endif /* create debug attribute */ //rc = device_create_file(&ts->input->dev, &dev_attr_debug_enable); #ifdef CONFIG_HAS_EARLYSUSPEND ts->early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN + 1; ts->early_suspend.suspend = gsl_ts_early_suspend; ts->early_suspend.resume = gsl_ts_late_resume; register_early_suspend(&ts->early_suspend); #endif dbg("[GSLX680] End %s\n", __func__); wmt_enable_gpirq(); check_Backlight_delay(); return 0; error_req_irq_fail: free_irq(ts->irq, ts); error_mutex_destroy: mutex_destroy(&ts->sus_lock); wake_lock_destroy(&downloadWakeLock); input_free_device(ts->input); kfree(ts); error_kfree_fw: kfree(GSLX680_FW); return rc; } static int gsl_ts_remove(struct i2c_client *client) { struct gsl_ts *ts = i2c_get_clientdata(client); dbg("==gsl_ts_remove=\n"); #ifdef CONFIG_HAS_EARLYSUSPEND unregister_early_suspend(&ts->early_suspend); #endif //device_init_wakeup(&client->dev, 0); cancel_work_sync(&ts->work); if( tp_led_gpio >= 0 ){ mutex_destroy(&ts->timeout_mutex); gpio_free(tp_led_gpio); tp_led_gpio = -1; tp_led_gpio_active = -1; } free_irq(ts->irq, ts); destroy_workqueue(ts->wq); input_unregister_device(ts->input); mutex_destroy(&ts->sus_lock); wake_lock_destroy(&downloadWakeLock); //device_remove_file(&ts->input->dev, &dev_attr_debug_enable); if(GSLX680_FW){ kfree(GSLX680_FW); GSLX680_FW = NULL; } kfree(ts->touch_data); kfree(ts); return 0; } /* static const struct i2c_device_id gsl_ts_id[] = { {GSLX680_I2C_NAME, 0}, {} }; MODULE_DEVICE_TABLE(i2c, gsl_ts_id); static struct i2c_driver gsl_ts_driver = { .driver = { .name = GSLX680_I2C_NAME, .owner = THIS_MODULE, }, #ifndef CONFIG_HAS_EARLYSUSPEND .suspend = gsl_ts_suspend, .resume = gsl_ts_resume, #endif .probe = gsl_ts_probe, .remove = __devexit_p(gsl_ts_remove), .id_table = gsl_ts_id, }; */ static int wmt_wakeup_bl_notify(struct notifier_block *nb, unsigned long event, void *dummy) { //printk("get notify\n"); switch (event) { case BL_CLOSE: l_ts->is_suspended = true; //printk("\nclose backlight\n\n"); //printk("disable irq\n\n"); wmt_disable_gpirq(); break; case BL_OPEN: l_ts->is_suspended = false; //printk("\nopen backlight\n\n"); //printk("enable irq\n\n"); wmt_enable_gpirq(); break; } return NOTIFY_OK; } static struct notifier_block wmt_bl_notify = { .notifier_call = wmt_wakeup_bl_notify, }; static int gsl_ts_init(void) { int ret = 0; ret = gsl_ts_probe(ts_get_i2c_client()); if (ret) { dbg("Can't load gsl1680 ts driver!\n"); } //dbg("ret=%d\n",ret); if (earlysus_en) register_bl_notifier(&wmt_bl_notify); return ret; } static void gsl_ts_exit(void) { dbg("==gsl_ts_exit==\n"); //i2c_del_driver(&gsl_ts_driver); gsl_ts_remove(ts_get_i2c_client()); if (earlysus_en) unregister_bl_notifier(&wmt_bl_notify); return; } struct wmtts_device gslx680_tsdev = { .driver_name = WMT_TS_I2C_NAME, .ts_id = "GSL1680", .init = gsl_ts_init, .exit = gsl_ts_exit, .suspend = gsl_ts_suspend, .resume = gsl_ts_resume, }; //module_init(gsl_ts_init); //module_exit(gsl_ts_exit); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("GSLX680 touchscreen controller driver"); MODULE_AUTHOR("Guan Yuwei, guanyuwei@basewin.com"); MODULE_ALIAS("platform:gsl_ts");