ft5x06_driver.zip_Tiny210 ft5x06_ft5x06.c 2.6.35_ft5x06_ts.h_tin

/* * drivers/input/touchscreen/ft5x0x_ts.c */ #include <linux/i2c.h> #include <linux/input.h> #include "ft5x06_ts.h" #include <linux/earlysuspend.h> #include <linux/interrupt.h> #include <linux/delay.h> #include <linux/slab.h> #include <linux/interrupt.h> #include <mach/irqs.h> #include <linux/kernel.h> #include <linux/semaphore.h> #include <linux/mutex.h> #include <linux/syscalls.h> #include <asm/unistd.h> #include <asm/uaccess.h> #include <linux/fs.h> #include <linux/string.h> //#include <asm/jzsoc.h> static struct i2c_client *this_client; #define CONFIG_FT5X0X_MULTITOUCH 1 struct ts_event { u16 au16_x[CFG_MAX_TOUCH_POINTS]; //x coordinate u16 au16_y[CFG_MAX_TOUCH_POINTS]; //y coordinate u8 au8_touch_event[CFG_MAX_TOUCH_POINTS]; //touch event: 0 -- down; 1-- contact; 2 -- contact u8 au8_finger_id[CFG_MAX_TOUCH_POINTS]; //touch ID u16 pressure; u8 touch_point; }; struct ft5x0x_ts_data { struct input_dev *input_dev; struct ts_event event; struct work_struct pen_event_work; struct workqueue_struct *ts_workqueue; struct early_suspend early_suspend; struct mutex device_mode_mutex; /* Ensures that only one function can specify the Device Mode at a time. */ }; //register address #define FT5x06_REG_FW_VER 0xA6 #define FT5x0x_TX_NUM 28 #define FT5x0x_RX_NUM 16 u16 g_RawData[FT5x0x_TX_NUM][FT5x0x_RX_NUM]; static u8 ft5x0x_enter_factory(struct ft5x0x_ts_data *ft5x0x_ts); static u8 ft5x0x_enter_work(struct ft5x0x_ts_data *ft5x0x_ts); #if CFG_SUPPORT_TOUCH_KEY int tsp_keycodes[CFG_NUMOFKEYS] ={ KEY_MENU, KEY_HOME, KEY_BACK, KEY_SEARCH }; char *tsp_keyname[CFG_NUMOFKEYS] ={ "Menu", "Home", "Back", "Search" }; static bool tsp_keystatus[CFG_NUMOFKEYS]; #endif /*********************************************************************************************** Name : ft5x0x_i2c_rxdata Input : *rxdata *length Output : ret function : ***********************************************************************************************/ static int ft5x0x_i2c_rxdata(char *rxdata, int length) { int ret; struct i2c_msg msgs[] = { { .addr = this_client->addr, .flags = 0, .len = 1, .buf = rxdata, }, { .addr = this_client->addr, .flags = I2C_M_RD, .len = length, .buf = rxdata, }, }; //msleep(1); ret = i2c_transfer(this_client->adapter, msgs, 2); if (ret < 0) pr_err("msg %s i2c read error: %d\n", __func__, ret); return ret; } /*********************************************************************************************** Name : Input : Output : function : ***********************************************************************************************/ static int ft5x0x_i2c_txdata(char *txdata, int length) { int ret; struct i2c_msg msg[] = { { .addr = this_client->addr, .flags = 0, .len = length, .buf = txdata, }, }; //msleep(1); ret = i2c_transfer(this_client->adapter, msg, 1); if (ret < 0) pr_err("%s i2c write error: %d\n", __func__, ret); return ret; } /*********************************************************************************************** Name : ft5x0x_write_reg Input : addr -- address para -- parameter Output : function : write register of ft5x0x ***********************************************************************************************/ static int ft5x0x_write_reg(u8 addr, u8 para) { u8 buf[3]; int ret = -1; buf[0] = addr; buf[1] = para; ret = ft5x0x_i2c_txdata(buf, 2); if (ret < 0) { pr_err("write reg failed! %#x ret: %d", buf[0], ret); return -1; } return 0; } /*********************************************************************************************** Name : ft5x0x_read_reg Input : addr pdata Output : function : read register of ft5x0x ***********************************************************************************************/ static int ft5x0x_read_reg(u8 addr, u8 *pdata) { int ret; u8 buf[2]; struct i2c_msg msgs[2]; // buf[0] = addr; //register address msgs[0].addr = this_client->addr; msgs[0].flags = 0; msgs[0].len = 1; msgs[0].buf = buf; msgs[1].addr = this_client->addr; msgs[1].flags = I2C_M_RD; msgs[1].len = 1; msgs[1].buf = buf; ret = i2c_transfer(this_client->adapter, msgs, 2); if (ret < 0) pr_err("msg %s i2c read error: %d\n", __func__, ret); *pdata = buf[0]; return ret; } /*********************************************************************************************** Name : ft5x0x_read_fw_ver Input : void Output : firmware version function : read TP firmware version ***********************************************************************************************/ static unsigned char ft5x0x_read_fw_ver(void) { unsigned char ver; ft5x0x_read_reg(FT5X0X_REG_FIRMID, &ver); return(ver); } #if 1 //upgrade related typedef enum { ERR_OK, ERR_MODE, ERR_READID, ERR_ERASE, ERR_STATUS, ERR_ECC, ERR_DL_ERASE_FAIL, ERR_DL_PROGRAM_FAIL, ERR_DL_VERIFY_FAIL }E_UPGRADE_ERR_TYPE; typedef unsigned char FTS_BYTE; //8 bit typedef unsigned short FTS_WORD; //16 bit typedef unsigned int FTS_DWRD; //16 bit typedef unsigned char FTS_BOOL; //8 bit typedef struct _FTS_CTP_PROJECT_SETTING_T { unsigned char uc_i2C_addr; //I2C slave address (8 bit address) unsigned char uc_io_voltage; //IO Voltage 0---3.3v; 1----1.8v unsigned char uc_panel_factory_id; //TP panel factory ID }FTS_CTP_PROJECT_SETTING_T; #define FTS_NULL 0x0 #define FTS_TRUE 0x01 #define FTS_FALSE 0x0 #define I2C_CTPM_ADDRESS 0x70 void delay_qt_ms(unsigned long w_ms) { unsigned long i; unsigned long j; for (i = 0; i < w_ms; i++) { for (j = 0; j < 1000; j++) { udelay(1); } } } /* [function]: callback: read data from ctpm by i2c interface,implemented by special user; [parameters]: bt_ctpm_addr[in] :the address of the ctpm; pbt_buf[out] :data buffer; dw_lenth[in] :the length of the data buffer; [return]: FTS_TRUE :success; FTS_FALSE :fail; */ FTS_BOOL i2c_read_interface(FTS_BYTE bt_ctpm_addr, FTS_BYTE* pbt_buf, FTS_DWRD dw_lenth) { int ret; ret=i2c_master_recv(this_client, pbt_buf, dw_lenth); if(ret<=0) { printk("[FTS]i2c_read_interface error\n"); return FTS_FALSE; } return FTS_TRUE; } /* [function]: callback: write data to ctpm by i2c interface,implemented by special user; [parameters]: bt_ctpm_addr[in] :the address of the ctpm; pbt_buf[in] :data buffer; dw_lenth[in] :the length of the data buffer; [return]: FTS_TRUE :success; FTS_FALSE :fail; */ FTS_BOOL i2c_write_interface(FTS_BYTE bt_ctpm_addr, FTS_BYTE* pbt_buf, FTS_DWRD dw_lenth) { int ret; ret=i2c_master_send(this_client, pbt_buf, dw_lenth); if(ret<=0) { printk("[FTS]i2c_write_interface error line = %d, ret = %d\n", __LINE__, ret); return FTS_FALSE; } return FTS_TRUE; } /* [function]: send a command to ctpm. [parameters]: btcmd[in] :command code; btPara1[in] :parameter 1; btPara2[in] :parameter 2; btPara3[in] :parameter 3; num[in] :the valid input parameter numbers, if only command code needed and no parameters followed,then the num is 1; [return]: FTS_TRUE :success; FTS_FALSE :io fail; */ FTS_BOOL cmd_write(FTS_BYTE btcmd,FTS_BYTE btPara1,FTS_BYTE btPara2,FTS_BYTE btPara3,FTS_BYTE num) { FTS_BYTE write_cmd[4] = {0}; write_cmd[0] = btcmd; write_cmd[1] = btPara1; write_cmd[2] = btPara2;