diff options
Diffstat (limited to 'drivers/input/touchscreen/lw86x0_ts/lw86x0_ts.c')
| -rwxr-xr-x | drivers/input/touchscreen/lw86x0_ts/lw86x0_ts.c | 1321 |
1 files changed, 1321 insertions, 0 deletions
diff --git a/drivers/input/touchscreen/lw86x0_ts/lw86x0_ts.c b/drivers/input/touchscreen/lw86x0_ts/lw86x0_ts.c new file mode 100755 index 00000000..ce741c9c --- /dev/null +++ b/drivers/input/touchscreen/lw86x0_ts/lw86x0_ts.c @@ -0,0 +1,1321 @@ +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/i2c.h> +#include <linux/input.h> +#include <linux/interrupt.h> +#include <linux/i2c.h> +//#include <linux/earlysuspend.h> +#include <linux/delay.h> +#include <linux/jiffies.h> +#include <linux/cdev.h> +#include <asm/uaccess.h> +#include <linux/pm_runtime.h> + +#if defined(CONFIG_HAS_EARLYSUSPEND) +#include <linux/earlysuspend.h> +#endif +#include <linux/input/mt.h> + +#include <linux/i2c.h> +#include <linux/input.h> +#include <linux/interrupt.h> +#include <linux/delay.h> +#include <linux/errno.h> +#include <mach/hardware.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/platform_device.h> +#include <linux/suspend.h> +#include <linux/async.h> +#include <linux/wait.h> +#include <linux/hrtimer.h> +#include <linux/init.h> +#include <linux/ioport.h> +#include <linux/irq.h> +#include <linux/kthread.h> +#include <linux/firmware.h> +#include <linux/power/wmt_battery.h> +#include "../../../video/backlight/wmt_bl.h" +#include "lw86x0_ts.h" +#include "wmt_ts.h" +//#include "wmt_custom_lw86x0.h" + +#define TIME_CHECK_CHARGE 3000 + +#define MAX_MULTI_DATA_SIZE 256 + +#define HDMI_BASE_ADDR (HDMI_TRANSMITTE_BASE_ADDR + 0xC000) +#define REG_HDMI_HOTPLUG_DETECT (HDMI_BASE_ADDR + 0x3ec) + +struct i2c_client *lw_i2c_client = NULL; +struct i2c_client *client;//add by jackie +extern char g_dbgmode; +extern int COL_NUM; +extern int ROW_NUM; +extern int SKIP_ZERO_POINT; + +struct wmtts_device lw86x0_tsdev; +static int tsirq_gpio; + +static int skip_zero_num = 0; + +u16 mcu_status_old = 0xffff; +u16 mcu_status = 0xffff; + +typedef struct Fw_Version{ //add by jackie + u8 magic_num1; + u8 magic_num2; + u8 mj_ver; + u8 mn_ver; +}Fw_Ver;//add by jackie + +//struct for report touch info +struct ts_event { + u16 x[SUPPORT_POINT_NUM_MAX];//point x + u16 y[SUPPORT_POINT_NUM_MAX];//point y + u16 pressure[SUPPORT_POINT_NUM_MAX];//point pressure + u8 touch_point;//touch point number +}; + +struct lw86x0_ts_data { + struct input_dev *input_dev; + struct ts_event event; + struct work_struct touch_event_work; + struct workqueue_struct *ts_workqueue; +#if defined(CONFIG_HAS_EARLYSUSPEND) + struct early_suspend early_suspend; +#endif +}l_tsdata; + +static struct mutex ts_data_mutex; +static int l_powermode = -1; +static int l_hdmimode = -1; + +static int l_keylen = 4; +static int l_baseaxis = 1; //0:x-axis,1:y-axis +int l_keypos[TS_KEY_NUM+1][2]; + +unsigned int l_tskey[TS_KEY_NUM][2] = { + {0,KEY_MENU}, + {0,KEY_HOME}, + {0,KEY_BACK}, + {0,KEY_SEARCH}, +}; +static int l_early_suspend = 0; // 1:the early suspend function has been excuted + +static int stop_timer = 0; +struct work_struct phone_status_work; +struct timer_list polling_phone_status_timer; +static int check_chip_status(void); +static int first_init_reg = 1; +static u16 auto_coff_value[20] = {0}; +//static finger_up_status = 1; + +u8 get_fw_file_check_sum(void); +u16 get_fw_check_sum(void); + +extern int register_bl_notifier(struct notifier_block *nb); + +extern int unregister_bl_notifier(struct notifier_block *nb); +//static struct ts_event old_event; + +void swap_byte_in_buffer(u16* buf, int count ) +{ + int i; + for(i = 0; i < count; i++ ) + { + buf[i] = swap16(buf[i]); + } +} + +/** +** for read register +** rxbuf:read value +** txdata:read register address +** rxlength:read value length +**/ + +static int lw86x0_i2c_rxdata(char *rxbuf, char*txdata, int rxlength) +{ + int ret; + //int reg;//add jackie + + struct i2c_msg msgs[] = { + { + .addr = lw_i2c_client->addr, + .flags = 0, + .len = 2, + .buf = txdata, + }, + { + .addr = lw_i2c_client->addr, + .flags = I2C_M_RD, + .len = rxlength, + .buf = rxbuf, + }, + }; + + //ret = wmt_i2c_xfer_continue_if_4(msgs, 2, 1); + + ret = i2c_transfer(lw_i2c_client->adapter, &msgs[0], 2);//add by jackie + if (ret != 2) + { + dbg("msg i2c rxdata error: %d\n", ret); + return -1; + } + else + { + return 0; + } + +#if 0 + struct i2c_msg xfer_msg[2]; + 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 + +} + +/** +** for write register +** txdata:register address and value u8 +** length:txdata length +**/ + +static int lw86x0_i2c_txdata(char *txdata, int length) +{ + int ret; + + struct i2c_msg msg[] = { + { + .addr = lw_i2c_client->addr, + .flags = 0, + .len = length, + .buf = txdata, + }, + }; + + + ret = i2c_transfer(lw_i2c_client->adapter, &msg[0], 1);//1 + + //ret = wmt_i2c_xfer_continue_if_4(msg, 1, 1); + if (ret != 1) + { + dbg("i2c txdata error: %d\n", ret); + return -1; + } + else + { + return 0; + } + +} + +/** +** Interface write register for other functions +** addr:write register address +** value:write register value +**/ + +int lw86x0_write_reg(u16 addr, u16 value) +{ + u8 buf[4]; + int ret = -1; + unsigned char * pVal = (unsigned char *) &value; + unsigned char * pOffset = (unsigned char *) &addr; + buf[0] = pOffset[1]; + buf[1] = pOffset[0]; + buf[2] = pVal[1]; + buf[3] = pVal[0]; + ret = lw86x0_i2c_txdata(buf, 4); + if (ret < 0) + { + dbg("lw86x0_write_reg error: %d\n", ret); + return -1; + } + return 0; +} + +/*int lw86x0_write_reg_multi(u16 start_addr, u16 value[], u16 num) +{ + u8 buf[MAX_MULTI_DATA_SIZE]; + int ret = -1; + int i = 0; + unsigned char * pVal = (unsigned char *) &value[0]; + unsigned char * pOffset = (unsigned char *) &addr; + buf[0] = pOffset[1]; + buf[1] = pOffset[0]; + //buf[2] = pVal[1]; + //buf[3] = pVal[0]; + for(i = 0; i < num; i++) + { + pVal = (unsigned char *) &value[i]; + buf[2*i + 2] = pVal[1]; + buf[2*i + 3] = pVal[0]; + } + + ret = lw86x0_i2c_txdata(buf, num*2+2); + + if (ret < 0) + { + dbg("lw86x0_write_reg error: %d\n", ret); + return -1; + } + return 0; +}*/ +/** +** Interface read register for other functions +** addr:read register address +** pdata:read register value +** regcnt:read register count +**/ + +int lw86x0_read_reg(u16 addr, u16 *pdata, int regcnt) +{ + int ret; + + u16 offset_reverse = swap16(addr); + ret = lw86x0_i2c_rxdata((char*)pdata, (char*)&offset_reverse, 2*regcnt); + + if (ret < 0) + { + dbg("lw86x0_read_reg error: %d\n", ret); + return -1; + } + else + { + swap_byte_in_buffer(pdata, regcnt); + return 0; + } +} + +int wmt_ts_load_firmware(char* firmwarename, unsigned char** firmdata, int* fwlen) +{ + int i; + const struct firmware *fw_entry; + for (i = 0; i < 3; i++) { + if(request_firmware(&fw_entry, firmwarename, &lw_i2c_client->dev)!=0) + printk(KERN_ERR "cat't request firmware #%d\n", i); + else + break; + } + if (i == 3) + return -EINVAL; + + if (fw_entry->size <= 0) { + printk(KERN_ERR "load firmware error\n"); + release_firmware(fw_entry); + return -1; + } + + *firmdata = kzalloc(fw_entry->size + 1, GFP_KERNEL); + memcpy(*firmdata, fw_entry->data, fw_entry->size); + *fwlen = fw_entry->size; + release_firmware(fw_entry); + + return 0; +} + +static u16 *default_setting_table; +static int cfg_len; + +static int load_cfgfile(void) +{ + u32 val[2]; + u16 temp[200]; + int i = 0; + char cfgname[32] = {0}; + u8 *pData; + int fileLen; + char *p; + char *s; + + wmt_ts_get_configfilename(cfgname); + if (wmt_ts_load_firmware(cfgname, &pData, &fileLen)) { + errlog("Load config file failed~ \n"); + return -1; + } + s = pData; + p = strstr(s, "COL_NUM"); + sscanf(p, "COL_NUM=%d;", &COL_NUM); + p = strstr(s, "ROW_NUM"); + sscanf(p, "ROW_NUM=%d;", &ROW_NUM); + p = strstr(s, "SKIP_ZERO_POINT"); + sscanf(p, "SKIP_ZERO_POINT=%d;", &SKIP_ZERO_POINT); + dbg("COL_NUM=%d;ROW_NUM=%d;SKIP_ZERO_POINT=%d;",COL_NUM,ROW_NUM,SKIP_ZERO_POINT); + + p = pData; + while (*p != '{') { + p++; + if(*p == '\0') { + errlog("Bad config file\n"); + i = -1; + goto end; + } + } + while (*p != '}') { + if (!strncmp(p, "0x", 2)) { + i++; + if ((i & 0x0001) != 0) { + sscanf(p, "0x%x,0x%x,", val, val+1); + temp[i-1] = val[0] & 0x0000FFFF; + temp[i] = val[1] & 0x0000FFFF; + } + } + p++; + if(*p == '\0') { + i = -1; + errlog("Bad config file\n"); + goto end; + } + }; + + dbg("the number of data:0x%x\n", i); + default_setting_table = kzalloc(i*2, GFP_KERNEL); + memcpy(default_setting_table, temp, i*2); + cfg_len = i; + + dbg("paring config file end.\n"); +end: + kfree(pData); + return i; +} + +void lw86x0_stop_timer(int flags) +{ + stop_timer = flags; +} + + +static u16 get_trim_info(void) +{ + u16 trim_info = 0; + u8 buf[2] = {0}; + lw86x0_write_reg(0x00e4, 0x0000); + lw86x0_write_reg(0x00e2, 0x0302); + lw86x0_write_reg(0x00e3, 0x0000); + lw86x0_write_reg(0x00e2, 0x034e); + lw86x0_write_reg(0x00e2, 0x0302); + lw86x0_read_reg(0x00e4, buf, 1); + lw86x0_write_reg(0x00e2, 0x0000); + trim_info = buf[1]; + dbg("trim info is %04x",trim_info); + return trim_info; +} + +/** +** load default register setting +**/ + +void lw86x0_load_def_setting(void) +{ + int i = 0; + u16 trim_value = 0; + u16 trim_info = 0; + + lw86x0_write_reg(0x00e6, 0x3311); + trim_info = get_trim_info(); + for(i = 0; i < cfg_len / 2; i++) + { + if(default_setting_table[2*i] == 0xffff) + { + msleep(default_setting_table[2*i+1]); + } + else + { + if(default_setting_table[2*i] == 0x00ee) + { + lw86x0_read_reg(0x00ee, &trim_value, 1); + if(trim_value == 0x00a0) + { + trim_value = 0x00c0 + trim_info; + } + else + { + trim_value = 0x100 + trim_value; + } + lw86x0_write_reg(0x00ee, trim_value); + } + else + { + lw86x0_write_reg(default_setting_table[2*i], default_setting_table[2*i+1]); + } + //lw86x0_write_reg(default_setting_table[2*i], default_setting_table[2*i+1]); + } + /*if(i == 0) + { + msleep(100); + }*/ + } + if(first_init_reg == 1) + { + for(i = 0; i < 19; i++) + { + lw86x0_read_reg(0x0092+i, &auto_coff_value[i], 1); + } + first_init_reg = 0; + } + else + { + lw86x0_write_reg(0x0035, 0x0070); + lw86x0_write_reg(0x0060, 0x0307); + lw86x0_write_reg(0x0091, 0x0200); + for(i = 0; i < 19; i++) + { + lw86x0_write_reg(0x0092+i, auto_coff_value[i]); + } + lw86x0_write_reg(0x0035, 0x2070); + msleep(100); + lw86x0_write_reg(0x0060, 0x0306); + } +} + +/** +** set reset pin for lw86x0 +**/ + +static void lw86x0_hw_reset(void) +{ + wmt_rst_output(0); + //msleep(500); + msleep(30); + wmt_rst_output(1); +} + +static void lw86x0_ts_release(void) +{ + int i = 0; + struct lw86x0_ts_data *data = &l_tsdata; + int down = 0; + + // dbg("lw86x0_ts_release"); + + for (i = 0; i < l_keylen; i++) + { + down |= l_tskey[i][0]; + } + if (down != 0) + { + // if down clear the flag + for ( i = 0; i < l_keylen; i++) + { + l_tskey[i][0] = 0; + }; + //dbg("key up!\n"); + if (wmt_ts_enable_keyled()) + wmt_ts_turnoff_light(); + } + else + { + if (!lw86x0_tsdev.penup) + { + input_mt_sync(data->input_dev); + input_sync(data->input_dev); + //dbg("rpt pen\n"); + } + lw86x0_tsdev.penup = 1; + //dbg("pen up\n"); + //wake_up(&ts_penup_wait_queue); + } +} + +/** +**set wmt touch key count +**/ + +void wmt_ts_set_keylen(int keylen) +{ + l_keylen = keylen; +} + +/** +**set wmt touch baseaxis +**axis:0--x axis,1--y axis. +**/ + +void wmt_ts_set_baseaxis(int axis) +{ + l_baseaxis = axis; +} + +/** +** set wmt touch key info struct keypos +** index:set key number +** min:key min point value +** max:key max point value +**/ + +void wmt_ts_set_keypos(int index, int min,int max) +{ + l_keypos[index][0] = min; + l_keypos[index][1] = max; +} + +/** +** report key info to wmt android +**/ +#if 0 + +static int lw86x0_report_key_info(void) +{ + struct lw86x0_ts_data *data = &l_tsdata; + u16 x, y; + u16 key_stpos,key_vrpos; // the stable and variable position for touch key + int i =0; + lw86x0_read_reg(0x0161, &x, 1); + lw86x0_read_reg(0x016B, &y, 1); + if (wmt_ts_enable_tskey() != 0) + { + switch (l_baseaxis) + { + case 0: + key_stpos = y; + key_vrpos = x; + break; + case 1: + default: + key_stpos = x; + key_vrpos = y; + break; + } + } + for (i=0;i < l_keylen;i++) + { + if ((key_vrpos>=l_keypos[i][0]) && (key_vrpos<=l_keypos[i][1])) + { + // report the key + if (0 == l_tskey[i][0]) + { + input_report_key(data->input_dev, l_tskey[i][1], 1); + input_report_key(data->input_dev, l_tskey[i][1], 0); + input_sync(data->input_dev); + l_tskey[i][0] = 1; + dbg("report tskey:%d\n",i); + if (wmt_ts_enable_keyled()) + wmt_ts_turnon_light(); + } + return 1;//key + } + } + return 0;//no key + +} +#endif + +static void check_mode(void) +{ + int dcin = wmt_charger_is_dc_plugin(); + int hdmiin = (REG32_VAL(REG_HDMI_HOTPLUG_DETECT) & BIT31) >> 31; + + if (dcin == l_powermode && hdmiin == l_hdmimode) + return; + if (!dcin && !hdmiin) { + klog("DC and HDMI removed\n"); + lw86x0_write_reg(0x01e9, 0x0000); + } else { + klog("DC or HDMI in\n"); + lw86x0_write_reg(0x01e9, 0x0001); + } + l_powermode = dcin; + l_hdmimode = hdmiin; +} + +/** +** report touch info to wmt android +** touch_number: touch count +**/ + +static void lw86x0_report_touch_info(u16 touch_number) +{ + struct lw86x0_ts_data *data = &l_tsdata; + struct ts_event *event = &data->event; + u16 i; + + //old_event = *event; + //dbg("Enter into lw86x0_report_touch_info"); + check_mode(); + if(touch_number == 0) + { + input_mt_sync(data->input_dev); + input_sync(data->input_dev); + return; + } + if(touch_number> wmt_ts_get_fingernum()){ + //dbg("Invalid Touch point count is found %d",touch_number); + return; + } + event->touch_point = touch_number; + + //memset(event->x, 0, SUPPORT_POINT_NUM*sizeof(u16) ); + //memset(event->y, 0, SUPPORT_POINT_NUM*sizeof(u16) ); + //memset(event->pressure, 0, SUPPORT_POINT_NUM*sizeof(u16) ); + for( i = 0; i <touch_number; i++ ) + { + lw86x0_read_reg(0x0161+i, &event->x[i], 1); + lw86x0_read_reg(0x016B+i, &event->y[i], 1); + lw86x0_read_reg(0x0175+i, &event->pressure[i], 1); + } + + for (i = 0; i < touch_number; i++) + { + int x = (event->x[i]) & 0x03ff; + int y = (event->y[i]) & 0x03ff; + int id = ((event->x[i])>>12)&0x000f; + int tmp; + + if(x>wmt_ts_get_resolvX()) + { + x = wmt_ts_get_resolvX(); + } + + if(y>wmt_ts_get_resolvY()) + { + y= wmt_ts_get_resolvY(); + } + + if (wmt_ts_get_xaxis()) { + tmp = x; + x = y; + y = tmp; + } + if (wmt_ts_get_xdir()) + x = wmt_ts_get_resolvX() - x; + if (wmt_ts_get_ydir()) + y = wmt_ts_get_resolvY() - y; + + if (wmt_ts_get_lcdexchg()) { + int tmp; + tmp = x; + x = y; + y = wmt_ts_get_resolvX() - tmp; + } + + dbg("id %d [%d, %d] p %d",id, x, y, event->pressure[i]); + //input_report_abs(input_dev, ABS_MT_TOUCH_MAJOR,event->pressure[i]); + input_report_abs(data->input_dev, ABS_MT_POSITION_X, x); + input_report_abs(data->input_dev, ABS_MT_POSITION_Y, y); + input_report_abs(data->input_dev, ABS_MT_TRACKING_ID, id); + input_mt_sync(data->input_dev); + } + /* SYN_REPORT */ + input_sync(data->input_dev); +} + +/** +**lw86x0 touch irq work function +**/ + +static void lw86x0_ts_touch_irq_work(struct work_struct *work) +{ + + u16 int_touch_status=0; + mutex_lock(&ts_data_mutex); + + //dbg("Enter into lw86x0_ts_touch_irq_work"); + + //finger_up_status = 0; + lw86x0_read_reg(0x01f5, &int_touch_status, 1); + + //dbg("Read 0x1f5 = %d",int_touch_status); + if( int_touch_status & 0x0001) + { + u16 touch_number=0; + lw86x0_read_reg(0x0160, &touch_number, 1); + //dbg("tn=%d\n",touch_number); + if(touch_number==0) + { + skip_zero_num++; + if(SKIP_ZERO_POINT==skip_zero_num) + { + dbg("tn=%d\n",touch_number); + lw86x0_write_reg(0x01f2, 0x0010); + lw86x0_report_touch_info(touch_number); + lw86x0_ts_release(); + //finger_up_status = 1; + } + else if(SKIP_ZERO_POINT<skip_zero_num) + { + skip_zero_num = SKIP_ZERO_POINT+1; + } + } + else if(touch_number==15) + { + //dbg("touch_number=%d\n",touch_number); + } + else + { + dbg("tn=%d\n",touch_number); + lw86x0_write_reg(0x01f2, 0x0011); + skip_zero_num = 0; + lw86x0_report_touch_info(touch_number); + } + } + else + { + //finger_up_status = 1; + } + lw86x0_write_reg(0x01f5, 0xffff);//clear interrupt + //mdelay(500); + //dbg("clear interrupt 1"); + lw86x0_write_reg(0x01f5, 0xffff);//clear interrupt + //mdelay(500); + //dbg("clear interrupt 2"); + //lw86x0_write_reg(0x01f5, 0xffff);//clear interrupt + //mdelay(500); + //dbg("clear interrupt 3"); + //lw86x0_write_reg(0x01f5, 0xffff);//clear interrupt + //mdelay(500); + //dbg("clear interrupt 4"); + //dbg("Write 0x1f5 = 0xffff"); + //lw86x0_read_reg(0x01f5, &int_touch_status, 1); + //dbg("Re-Read 0x1f5 = %d",int_touch_status); + + if(g_dbgmode==0) + { + //dbg("Enable Irq"); + wmt_enable_gpirq(tsirq_gpio); + } + mutex_unlock(&ts_data_mutex); +} + +static irqreturn_t lw86x0_ts_interrupt(int irq, void *dev_id) +{ + //dbg("enter lw86x0_ts_interrupt"); + //if (!wmt_is_tsirq_enable(tsirq_gpio)) + //{ + // dbg("tsirq not enabled"); + // return IRQ_NONE; + //} + if (wmt_is_tsint(tsirq_gpio)) + { + wmt_clr_int(tsirq_gpio); + wmt_disable_gpirq(tsirq_gpio); + if(!l_early_suspend) + { + //dbg("tsirq enabled"); + queue_work(l_tsdata.ts_workqueue, &l_tsdata.touch_event_work); + } + return IRQ_HANDLED; + } + return IRQ_NONE; +} + +static void reset_chip(void) +{ + printk("\nReset LW IC\n\n"); + lw86x0_write_reg(0x00e6, 0x3311); + lw86x0_write_reg(0x00e0, 0x0005); + lw86x0_write_reg(0x0214, 0x0020); + lw86x0_write_reg(0x033d, 0x8100); + mdelay(500); + wmt_rst_output(0); + wmt_set_irq_mode(tsirq_gpio, 0); + mdelay(100); + wmt_rst_output(1); + wmt_set_gpirq(tsirq_gpio, GIRQ_FALLING); + lw86x0_load_def_setting(); + if(g_dbgmode==0) + { + wmt_enable_gpirq(tsirq_gpio); + } +} + + +static int check_chip_status(void) +{ + u16 read_value = 0; + u16 read_sram = 0; + int ret = lw86x0_read_reg(0x00e6, &read_value, 1); + if(ret != 0) + { + reset_chip(); + return 0; + } + if(read_value != 0x3311) + { + reset_chip(); + return 0; + } + else + { + lw86x0_read_reg(0x00e0, &read_value, 1); + if(read_value != 0x0005 && read_value != 0x000d) + { + dbg("0x00e0!=0x0005,0x000d\n"); + reset_chip(); + return 0; + } + lw86x0_read_reg(0x0180, &read_sram, 1); + if(read_sram != 0) + { + dbg("0x0180!=0\n"); + reset_chip(); + return 0; + } + lw86x0_read_reg(0x0181, &mcu_status, 1); + if(mcu_status_old == mcu_status) + { + dbg("0x0180 old!=new\n"); + reset_chip(); + mcu_status_old = mcu_status; + return 0; + } + else + { + mcu_status_old = mcu_status; + return 1; + } + } + return 1; +} + +static void phone_status_listener(struct work_struct *work) +{ + if(stop_timer == 0) + { + check_chip_status(); + } +} + +static void lw86x0_ts_polling_phone_status(long unsigned int dev_addr) +{ + schedule_work(&phone_status_work); + mod_timer(&polling_phone_status_timer, jiffies + msecs_to_jiffies(2000)); +} + +/** +** lw86x0 ts early suspend function +**/ +#ifdef CONFIG_HAS_EARLYSUSPEND +static void ts_early_suspend(void) +{ + wmt_disable_gpirq(tsirq_gpio); +} + +//#ifdef CONFIG_HAS_EARLYSUSPEND + +static void lw86x0_ts_early_suspend(struct early_suspend *handler) +{ + printk("lw86x0_ts_early_suspend\n"); + ts_early_suspend(); + l_early_suspend = 1; + lw86x0_write_reg(0x000c, 0xffff); + lw86x0_write_reg(0x033d, 0x0d60); + lw86x0_write_reg(0x00e2, 0x0300); + lw86x0_write_reg(0x000d, 0x4000); + lw86x0_write_reg(0x00e5, 0x4c01); + stop_timer = 1; +} + +/** +** lw86x0 late resume function +**/ +static void ts_late_resume(void) +{ + printk("ts_late_resume\n"); + //wmt_disable_gpirq(tsirq_gpio); + //lw86x0_hw_reset(); + l_early_suspend = 0; + + wmt_set_gpirq(tsirq_gpio, GIRQ_FALLING); + if(g_dbgmode==0) + { + printk("g_dbgmode==0\n"); + wmt_enable_gpirq(tsirq_gpio); + } +} + + +static void lw86x0_ts_late_resume(struct early_suspend *handler) +{ + printk("==lw86x0_ts_resume=\n"); + int ret = check_chip_status(); + if(ret == 1) + { + lw86x0_write_reg(0x000d, 0xc000); + lw86x0_write_reg(0x00e2, 0x0100); + lw86x0_write_reg(0x00e5, 0x4c00); + lw86x0_write_reg(0x000c, 0xffff); + } + ts_late_resume(); + l_early_suspend = 0; + stop_timer = 0; +} +#endif + +/** +** lw86x0 ts suspend function +**/ + +static int lw86x0_suspend(struct platform_device *pdev, pm_message_t state) +{ + return 0; +} + +/** +** lw86x0 resume function +**/ + +static int lw86x0_resume(struct platform_device *pdev) +{ + lw86x0_hw_reset(); + first_init_reg = 1; + lw86x0_load_def_setting(); + return 0; +} + +#ifdef SUPPORT_FW_UPGRADE +//add by jackie +#define BYTES_PER_PACKET 64 +//#define FILEPATH "/etc/firmware/TOUCH.BIN" +int fileLen; +u8 *pData; + +void read_data_from_fw_file(void) +{ + char fwname[32] = {0}; + wmt_ts_get_firmwfilename(fwname); + if (wmt_ts_load_firmware(fwname, &pData, &fileLen)) { + dbg("Load firmware file failed~ \n"); + return; + } +} + +u8 check_fw_version(void) +{ + //Fw_Ver* pfwVerInFile = NULL; + //Fw_Ver fwVer; + + u16 fw_check_sum; + u16 fw_file_check_sum = 0; + + read_data_from_fw_file(); + /*pfwVerInFile = (Fw_Ver* )&(pData[0x2000]); + + printk("struct data:%c%c%d%d\n",pfwVerInFile->magic_num1,pfwVerInFile->magic_num2,pfwVerInFile->mj_ver,pfwVerInFile->mn_ver);//add by jackie + lw86x0_write_reg(0x00e6,0x3311); + lw86x0_flash_read((u8*)&fwVer,0x2000,4); + printk("lw86x0_flash:%c%c%d%d\n",fwVer.magic_num1,fwVer.magic_num2,fwVer.mj_ver,fwVer.mn_ver);//add by jackie + //printk("lw86x0_flash:%d%d\n",fwVer.magic_num1,fwVer.magic_num2);//add by jackie + if((fwVer.magic_num1!='L'||fwVer.magic_num2!='W') + ||((fwVer.magic_num1=='L'&&fwVer.magic_num2=='W') + &&(pfwVerInFile->magic_num1=='L'&&pfwVerInFile->magic_num2=='W') + &&(fwVer.mj_ver!=pfwVerInFile->mj_ver || fwVer.mn_ver!=pfwVerInFile->mn_ver)) + )*/ + lw86x0_write_reg(0x00e6, 0x3311); + lw86x0_write_reg(0x0020, 0x9000); + lw86x0_write_reg(0x0002, 0x8900); + lw86x0_write_reg(0x0115, 0x0100); + lw86x0_write_reg(0x0020, 0x1000); + msleep(200); + fw_check_sum = get_fw_check_sum(); + fw_file_check_sum = get_fw_file_check_sum(); + printk("**********fw_check_sum = %04x, fw_file_check_sum = %04x\n",fw_check_sum,fw_file_check_sum); + if(((fw_check_sum&0xff00)!=0x8000)||((fw_check_sum&0x00ff)!=fw_file_check_sum)) + { + lw86x0_write_reg(0x0002, 0x8800); + printk("firmware crc check is not equal, update firmware......\n"); + return 1;//return 1 means needing upgrade + } + else + { + printk("firmware is not updated......\n"); + lw86x0_write_reg(0x0002, 0x8800); + return 0; + } +} + +void fw_download(void) +{ + int pkt_num = (fileLen+BYTES_PER_PACKET-1)/BYTES_PER_PACKET; + int i; + int last_pkt_size = ((int)fileLen) % BYTES_PER_PACKET; + printk("pkt_num is:%d\n",pkt_num);//add + if(last_pkt_size==0) + { + last_pkt_size = BYTES_PER_PACKET; + } + lw86x0_flash_write_prepare(); + for(i=0;i<pkt_num;i++) + { + lw86x0_flash_write(&pData[i*BYTES_PER_PACKET],i*BYTES_PER_PACKET,(i==pkt_num-1)?last_pkt_size:BYTES_PER_PACKET); + } + lw86x0_flash_write_finish(fileLen); + printk("firmware is updated......\n");//add +} + + +u8 get_fw_file_check_sum(void) +{ + //u16 dataLen; + //u8* pData = NULL; + u16 i; + u8 checksum = 0; + printk("**********dataLen = %04x\n",fileLen); + for(i=0;i<fileLen;i++) + { + checksum+=pData[i]; + } + return checksum; +} + +u16 get_fw_check_sum(void) +{ + u8 cnt = 10; + u16 check_sum = 0; + //u16 fw_length = 0; + while(cnt>0) + { + lw86x0_read_reg(0x0182, &check_sum, 1); + printk("**********check_sum = %04x\n",check_sum); + if((check_sum&0xff00)==0x8000) + { + break; + } + cnt--; + msleep(100); + } + return check_sum; +} + +static void fw_upgrader(void) +{ + u16 fw_check_sum; + u16 fw_file_check_sum = 0; + + if(check_fw_version()==0) + { + return; + } + + lw86x0_write_reg(0x00e6, 0x3311); + fw_download(); + lw86x0_write_reg(0x0020, 0x9000); + lw86x0_write_reg(0x0002, 0x8900); + lw86x0_write_reg(0x0115, 0x0100); + lw86x0_write_reg(0x0020, 0x1000); + msleep(200); + fw_check_sum = get_fw_check_sum(); + fw_file_check_sum = get_fw_file_check_sum(); + printk("**********fw_check_sum = %04x, fw_file_check_sum = %04x\n",fw_check_sum,fw_file_check_sum); + if(((fw_check_sum&0xff00)!=0x8000)||((fw_check_sum&0x00ff)!=fw_file_check_sum)) + { + printk("*********redownload fw\n"); + fw_download(); + lw86x0_write_reg(0x00e6, 0x3311); + lw86x0_write_reg(0x0020, 0x9000); + lw86x0_write_reg(0x0002, 0x8900); + lw86x0_write_reg(0x0115, 0x0100); + lw86x0_write_reg(0x0020, 0x1000); + msleep(200); + fw_check_sum = get_fw_check_sum(); + fw_file_check_sum = get_fw_file_check_sum(); + printk("**********re-check fw_check_sum = %04x, fw_file_check_sum = %04x\n",fw_check_sum,fw_file_check_sum); + if(((fw_check_sum&0xff00)!=0x8000)||((fw_check_sum&0x00ff)!=fw_file_check_sum)) + { + lw86x0_flash_write_prepare(); + } + } + else + { + } + lw86x0_write_reg(0x0002, 0x8800); + kfree(pData); + lw86x0_hw_reset(); + +} + +#endif + + +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_early_suspend = 1; + wmt_disable_gpirq(tsirq_gpio); + stop_timer = 1; + cancel_work_sync(&l_tsdata.touch_event_work); + cancel_work_sync(&phone_status_work); + printk("\nclose backlight\n\n"); + break; + case BL_OPEN: + l_early_suspend = 0; + wmt_enable_gpirq(tsirq_gpio); + lw86x0_write_reg(0x01f5,0xffff);//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! + stop_timer = 0; + printk("\nopen backlight\n\n"); + break; + } + + return NOTIFY_OK; +} + +static struct notifier_block wmt_bl_notify = { + .notifier_call = wmt_wakeup_bl_notify, +}; + +static int lw86x0_ts_probe(struct platform_device *pdev) +{ + int err = 0; + int i = 0; + u16 read_from_e6 = 0; + lw_i2c_client = ts_get_i2c_client();//get i2c_client + + memset(&l_tsdata, 0 ,sizeof(l_tsdata)); + INIT_WORK(&l_tsdata.touch_event_work, lw86x0_ts_touch_irq_work); + mutex_init(&ts_data_mutex); + + l_tsdata.ts_workqueue = create_singlethread_workqueue("lw86x0-ts-queue"); + if (!l_tsdata.ts_workqueue) { + err = -ESRCH; + goto exit_create_singlethread; + } + + l_tsdata.input_dev = input_allocate_device(); + if (!l_tsdata.input_dev) { + err = -ENOMEM; + dbg("failed to allocate input device\n"); + goto exit_input_dev_alloc_failed; + } + + l_tsdata.input_dev->evbit[0] = BIT_MASK(EV_SYN) | BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); + l_tsdata.input_dev->propbit[0] = BIT_MASK(INPUT_PROP_DIRECT); + + if (wmt_ts_get_lcdexchg()) { + input_set_abs_params(l_tsdata.input_dev, + ABS_MT_POSITION_X, 0, wmt_ts_get_resolvY(), 0, 0); + input_set_abs_params(l_tsdata.input_dev, + ABS_MT_POSITION_Y, 0, wmt_ts_get_resolvX(), 0, 0); + } else { + input_set_abs_params(l_tsdata.input_dev, + ABS_MT_POSITION_X, 0, wmt_ts_get_resolvX(), 0, 0); + input_set_abs_params(l_tsdata.input_dev, + ABS_MT_POSITION_Y, 0, wmt_ts_get_resolvY(), 0, 0); + } + input_set_abs_params(l_tsdata.input_dev, + ABS_MT_TRACKING_ID, 0, 15, 0, 0); + + l_tsdata.input_dev->name = LW86X0_NAME; + for (i = 0; i < TS_KEY_NUM; i++) + { + set_bit(l_tskey[i][1], l_tsdata.input_dev->keybit); + }; + err = input_register_device(l_tsdata.input_dev); + if (err) { + errlog("lw86x0_ts_probe: failed to register input device."); + goto exit_input_register_device_failed; + } + +#ifdef SUPPORT_FW_UPGRADE + fw_upgrader(); + mdelay(500); +#endif + + err = load_cfgfile(); + if (err < 0) + goto exit_load_cfgfile_failed; + lw86x0_load_def_setting(); + +#ifdef CONFIG_HAS_EARLYSUSPEND + l_tsdata.early_suspend.level = EARLY_SUSPEND_LEVEL_DISABLE_FB+ 1; + l_tsdata.early_suspend.suspend = lw86x0_ts_early_suspend; + l_tsdata.early_suspend.resume = lw86x0_ts_late_resume; + register_early_suspend(&l_tsdata.early_suspend); +#endif + + // init interrupt gpio + tsirq_gpio = wmt_ts_get_gpionum(); + wmt_set_gpirq(tsirq_gpio, GIRQ_FALLING);//GIRQ_FALLING); + wmt_disable_gpirq(tsirq_gpio); + + if(request_irq(wmt_get_tsirqnum(), lw86x0_ts_interrupt, IRQF_SHARED, "ts_lw86x0", l_tsdata.input_dev) < 0){ + errlog("Could not allocate intrrupt for ts_lw86x0 !\n"); + err = -1; + goto exit_register_irq; + } + lw86x0_ts_touch_irq_work(&l_tsdata.touch_event_work); + if(g_dbgmode==0) + { + wmt_enable_gpirq(tsirq_gpio); + } + msleep(5); + dbg("irqgpio=%d,irq=%d,resetgpio=%d\n", tsirq_gpio, wmt_get_tsirqnum(),wmt_ts_get_resetgpnum()); + + lw86x0_read_reg(0x00e6, &read_from_e6, 1); + if(read_from_e6 == 0x3311 || read_from_e6 == 0xa311) + { + INIT_WORK(&phone_status_work, phone_status_listener); + init_timer(&polling_phone_status_timer); + setup_timer(&polling_phone_status_timer, lw86x0_ts_polling_phone_status, (long unsigned int) pdev); + lw86x0_ts_polling_phone_status((long unsigned int) pdev); + } + + register_bl_notifier(&wmt_bl_notify); + + return 0; +exit_register_irq: +#ifdef CONFIG_HAS_EARLYSUSPEND//add by jackie + unregister_early_suspend(&l_tsdata.early_suspend); +#endif + kfree(default_setting_table); +exit_load_cfgfile_failed: + +exit_input_register_device_failed: + input_free_device(l_tsdata.input_dev); +exit_input_dev_alloc_failed: + cancel_work_sync(&l_tsdata.touch_event_work); + destroy_workqueue(l_tsdata.ts_workqueue); +exit_create_singlethread: + return err; +} + +static int lw86x0_ts_remove(struct platform_device *pdev) +{ + kfree(default_setting_table); +#ifdef CONFIG_HAS_EARLYSUSPEND + unregister_early_suspend(&l_tsdata.early_suspend); +#endif + free_irq(wmt_get_tsirqnum(), l_tsdata.input_dev); + input_unregister_device(l_tsdata.input_dev); + flush_workqueue(l_tsdata.ts_workqueue); + cancel_work_sync(&l_tsdata.touch_event_work); + destroy_workqueue(l_tsdata.ts_workqueue); + mutex_destroy(&ts_data_mutex); + del_timer(&polling_phone_status_timer); + unregister_bl_notifier(&wmt_bl_notify); + dbg("remove...\n"); + return 0; +} + + +static int lw86x0_ts_init(void) +{ + dbg("lw86x0_ts_init\n"); + lw86x0_hw_reset(); + return 0; +} + +static void lw86x0_ts_exit(void) +{ + dbg("lw86x0_ts_exit\n"); +} + +struct wmtts_device lw86x0_tsdev = { + .driver_name = "s_lw86x0_ts", + .ts_id = "lw86x0", + .init = lw86x0_ts_init, + .exit = lw86x0_ts_exit, + .probe = lw86x0_ts_probe, + .remove = lw86x0_ts_remove, + .suspend = lw86x0_suspend, + .resume = lw86x0_resume, + .penup = 1, +}; + |