forked from torvalds/linux
/
ft5x_ts.c
2001 lines (1737 loc) · 51.1 KB
/
ft5x_ts.c
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/*
* drivers/input/touchscreen/ft5x0x_ts.c
*
* FocalTech ft5x TouchScreen driver.
*
* Copyright (c) 2010 Focal tech Ltd.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*
* note: only support mulititouch Wenfs 2010-10-01
* for this touchscreen to work, it's slave addr must be set to 0x7e | 0x70
*/
#include <linux/i2c.h>
#include <linux/input.h>
#include "ft5x_ts.h"
#ifdef CONFIG_HAS_EARLYSUSPEND
#include <linux/pm.h>
#include <linux/earlysuspend.h>
#endif
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/platform_device.h>
#include <linux/async.h>
#include <linux/hrtimer.h>
#include <linux/init.h>
#include <linux/ioport.h>
#include <asm/irq.h>
#include <asm/io.h>
#include <asm/uaccess.h>
#include <mach/irqs.h>
#include <mach/system.h>
#include <mach/hardware.h>
#include <plat/sys_config.h>
#include "ctp_platform_ops.h"
#define FOR_TSLIB_TEST
//#define PRINT_INT_INFO
//#define PRINT_POINT_INFO
//#define DEBUG
//#define TOUCH_KEY_SUPPORT
#ifdef TOUCH_KEY_SUPPORT
//#define TOUCH_KEY_LIGHT_SUPPORT
//#define TOUCH_KEY_FOR_EVB13
//#define TOUCH_KEY_FOR_ANGDA
#ifdef TOUCH_KEY_FOR_ANGDA
#define TOUCH_KEY_X_LIMIT (60000)
#define TOUCH_KEY_NUMBER (4)
#endif
#ifdef TOUCH_KEY_FOR_EVB13
#define TOUCH_KEY_LOWER_X_LIMIT (848)
#define TOUCH_KEY_HIGHER_X_LIMIT (852)
#define TOUCH_KEY_NUMBER (5)
#endif
#endif
//#define CONFIG_SUPPORT_FTS_CTP_UPG
struct i2c_dev{
struct list_head list;
struct i2c_adapter *adap;
struct device *dev;
};
static struct class *i2c_dev_class;
static LIST_HEAD (i2c_dev_list);
static DEFINE_SPINLOCK(i2c_dev_list_lock);
#define FT5X_NAME "ft5x_ts"//"synaptics_i2c_rmi"//"synaptics-rmi-ts"//
#define CHARDEV_NAME "aw_i2c_ts"
static struct i2c_client *this_client;
#ifdef TOUCH_KEY_LIGHT_SUPPORT
static int gpio_light_hdle = 0;
#endif
#ifdef TOUCH_KEY_SUPPORT
static int key_tp = 0;
static int key_val = 0;
#endif
#ifdef PRINT_POINT_INFO
#define print_point_info(fmt, args...) \
do{ \
pr_info(fmt, ##args); \
}while(0)
#else
#define print_point_info(fmt, args...) //
#endif
#ifdef PRINT_INT_INFO
#define print_int_info(fmt, args...) \
do{ \
pr_info(fmt, ##args); \
}while(0)
#else
#define print_int_info(fmt, args...) //
#endif
///////////////////////////////////////////////
//specific tp related macro: need be configured for specific tp
#define CTP_IRQ_NO (gpio_int_info[0].port_num)
#define CTP_IRQ_MODE (NEGATIVE_EDGE)
#define CTP_NAME FT5X_NAME
#define TS_RESET_LOW_PERIOD (1)
#define TS_INITIAL_HIGH_PERIOD (30)
#define TS_WAKEUP_LOW_PERIOD (20)
#define TS_WAKEUP_HIGH_PERIOD (20)
#define TS_POLL_DELAY (10) /* ms delay between samples */
#define TS_POLL_PERIOD (10) /* ms delay between samples */
#define SCREEN_MAX_X (screen_max_x)
#define SCREEN_MAX_Y (screen_max_y)
#define PRESS_MAX (255)
static void* __iomem gpio_addr = NULL;
static int gpio_int_hdle = 0;
static int gpio_wakeup_hdle = 0;
static int gpio_reset_hdle = 0;
static int gpio_wakeup_enable = 1;
static int gpio_reset_enable = 1;
static int gpio_power_hdle;
static user_gpio_set_t gpio_int_info[1];
static int screen_max_x = 0;
static int screen_max_y = 0;
static int revert_x_flag = 0;
static int revert_y_flag = 0;
static int exchange_x_y_flag = 0;
static int int_cfg_addr[]={PIO_INT_CFG0_OFFSET,PIO_INT_CFG1_OFFSET,
PIO_INT_CFG2_OFFSET, PIO_INT_CFG3_OFFSET};
/* Addresses to scan */
static union{
unsigned short dirty_addr_buf[2];
const unsigned short normal_i2c[2];
}u_i2c_addr = {{0x00},};
static __u32 twi_id = 0;
/*
* ctp_get_pendown_state : get the int_line data state,
*
* return value:
* return PRESS_DOWN: if down
* return FREE_UP: if up,
* return 0: do not need process, equal free up.
*/
static int ctp_get_pendown_state(void)
{
unsigned int reg_val;
static int state = FREE_UP;
//get the input port state
reg_val = readl(gpio_addr + PIOH_DATA);
//pr_info("reg_val = %x\n",reg_val);
if(!(reg_val & (1<<CTP_IRQ_NO))){
state = PRESS_DOWN;
print_int_info("pen down. \n");
}else{ //touch panel is free up
state = FREE_UP;
print_int_info("free up. \n");
}
return state;
}
/**
* ctp_clear_penirq - clear int pending
*
*/
static void ctp_clear_penirq(void)
{
int reg_val;
//clear the IRQ_EINT29 interrupt pending
//pr_info("clear pend irq pending\n");
reg_val = readl(gpio_addr + PIO_INT_STAT_OFFSET);
//writel(reg_val,gpio_addr + PIO_INT_STAT_OFFSET);
//writel(reg_val&(1<<(IRQ_EINT21)),gpio_addr + PIO_INT_STAT_OFFSET);
if((reg_val = (reg_val&(1<<(CTP_IRQ_NO))))){
print_int_info("==CTP_IRQ_NO=\n");
writel(reg_val,gpio_addr + PIO_INT_STAT_OFFSET);
}
return;
}
/**
* ctp_set_irq_mode - according sysconfig's subkey "ctp_int_port" to config int port.
*
* return value:
* 0: success;
* others: fail;
*/
static int ctp_set_irq_mode(char *major_key, char *subkey, ext_int_mode int_mode)
{
int ret = 0;
__u32 reg_num = 0;
__u32 reg_addr = 0;
__u32 reg_val = 0;
//config gpio to int mode
pr_info("%s: config gpio to int mode. \n", __func__);
#ifndef SYSCONFIG_GPIO_ENABLE
#else
if(gpio_int_hdle){
gpio_release(gpio_int_hdle, 2);
}
gpio_int_hdle = gpio_request_ex(major_key, subkey);
if(!gpio_int_hdle){
pr_info("request tp_int_port failed. \n");
ret = -1;
goto request_tp_int_port_failed;
}
gpio_get_one_pin_status(gpio_int_hdle, gpio_int_info, subkey, 1);
pr_info("%s, %d: gpio_int_info, port = %d, port_num = %d. \n", __func__, __LINE__, \
gpio_int_info[0].port, gpio_int_info[0].port_num);
#endif
#ifdef AW_GPIO_INT_API_ENABLE
#else
pr_info(" INTERRUPT CONFIG\n");
reg_num = (gpio_int_info[0].port_num)%8;
reg_addr = (gpio_int_info[0].port_num)/8;
reg_val = readl(gpio_addr + int_cfg_addr[reg_addr]);
reg_val &= (~(7 << (reg_num * 4)));
reg_val |= (int_mode << (reg_num * 4));
writel(reg_val,gpio_addr+int_cfg_addr[reg_addr]);
ctp_clear_penirq();
reg_val = readl(gpio_addr+PIO_INT_CTRL_OFFSET);
reg_val |= (1 << (gpio_int_info[0].port_num));
writel(reg_val,gpio_addr+PIO_INT_CTRL_OFFSET);
udelay(1);
#endif
request_tp_int_port_failed:
return ret;
}
/**
* ctp_set_gpio_mode - according sysconfig's subkey "ctp_io_port" to config io port.
*
* return value:
* 0: success;
* others: fail;
*/
static int ctp_set_gpio_mode(void)
{
//int reg_val;
int ret = 0;
//config gpio to io mode
pr_info("%s: config gpio to io mode. \n", __func__);
#ifndef SYSCONFIG_GPIO_ENABLE
#else
if(gpio_int_hdle){
gpio_release(gpio_int_hdle, 2);
}
gpio_int_hdle = gpio_request_ex("ctp_para", "ctp_io_port");
if(!gpio_int_hdle){
pr_info("request ctp_io_port failed. \n");
ret = -1;
goto request_tp_io_port_failed;
}
#endif
return ret;
request_tp_io_port_failed:
return ret;
}
/**
* ctp_judge_int_occur - whether interrupt occur.
*
* return value:
* 0: int occur;
* others: no int occur;
*/
static int ctp_judge_int_occur(void)
{
//int reg_val[3];
int reg_val;
int ret = -1;
reg_val = readl(gpio_addr + PIO_INT_STAT_OFFSET);
if(reg_val&(1<<(CTP_IRQ_NO))){
ret = 0;
}
return ret;
}
/**
* ctp_free_platform_resource - corresponding with ctp_init_platform_resource
*
*/
static void ctp_free_platform_resource(void)
{
if(gpio_addr){
iounmap(gpio_addr);
}
if(gpio_int_hdle){
gpio_release(gpio_int_hdle, 2);
}
if(gpio_wakeup_hdle){
gpio_release(gpio_wakeup_hdle, 2);
}
if(gpio_reset_hdle){
gpio_release(gpio_reset_hdle, 2);
}
if (gpio_power_hdle)
gpio_release(gpio_power_hdle, 2);
return;
}
/**
* ctp_init_platform_resource - initialize platform related resource
* return value: 0 : success
* -EIO : i/o err.
*
*/
static int ctp_init_platform_resource(void)
{
int ret = 0;
gpio_addr = ioremap(PIO_BASE_ADDRESS, PIO_RANGE_SIZE);
//pr_info("%s, gpio_addr = 0x%x. \n", __func__, gpio_addr);
if(!gpio_addr) {
ret = -EIO;
goto exit_ioremap_failed;
}
// gpio_wakeup_enable = 1;
gpio_wakeup_hdle = gpio_request_ex("ctp_para", "ctp_wakeup");
if(!gpio_wakeup_hdle) {
pr_warning("%s: tp_wakeup request gpio fail!\n", __func__);
gpio_wakeup_enable = 0;
}
gpio_reset_hdle = gpio_request_ex("ctp_para", "ctp_reset");
if(!gpio_reset_hdle) {
pr_warning("%s: tp_reset request gpio fail!\n", __func__);
gpio_reset_enable = 0;
}
/* On some tables (for example: Explay informer 801) ts powered over*/
/* MOSFET switch, with gate connected to GPIO pin. */
gpio_power_hdle = gpio_request_ex("ctp_para", "ctp_power_port");
if (!gpio_power_hdle)
pr_info("%s: No power port feature present.\n", __func__);
else {
ret = gpio_write_one_pin_value(gpio_power_hdle, 1, "ctp_power_port");
if (ret != EGPIO_SUCCESS)
pr_info("%s: ctp_power_port gpio set error.\n", __func__);
else
pr_info("%s: power port enabled\n", __func__);
}
return ret;
exit_ioremap_failed:
ctp_free_platform_resource();
return ret;
}
/**
* ctp_fetch_sysconfig_para - get config info from sysconfig.fex file.
* return value:
* = 0; success;
* < 0; err
*/
static int ctp_fetch_sysconfig_para(void)
{
int ret = -1;
int ctp_used = -1;
char name[I2C_NAME_SIZE];
__u32 twi_addr = 0;
//__u32 twi_id = 0;
script_parser_value_type_t type = SCRIPT_PARSER_VALUE_TYPE_STRING;
pr_info("%s. \n", __func__);
if(SCRIPT_PARSER_OK != script_parser_fetch("ctp_para", "ctp_used", &ctp_used, 1)){
pr_err("%s: script_parser_fetch err. \n", __func__);
goto script_parser_fetch_err;
}
if(1 != ctp_used){
pr_err("%s: ctp_unused. \n", __func__);
//ret = 1;
return ret;
}
if(SCRIPT_PARSER_OK != script_parser_fetch_ex("ctp_para", "ctp_name", (int *)(&name), &type, sizeof(name)/sizeof(int))){
pr_err("%s: script_parser_fetch err. \n", __func__);
goto script_parser_fetch_err;
}
if(strcmp(CTP_NAME, name)){
pr_err("%s: name %s does not match CTP_NAME. \n", __func__, name);
pr_err(CTP_NAME);
//ret = 1;
return ret;
}
if(SCRIPT_PARSER_OK != script_parser_fetch("ctp_para", "ctp_twi_addr", &twi_addr, sizeof(twi_addr)/sizeof(__u32))){
pr_err("%s: script_parser_fetch err. \n", name);
goto script_parser_fetch_err;
}
//big-endian or small-endian?
//pr_info("%s: before: ctp_twi_addr is 0x%x, dirty_addr_buf: 0x%hx. dirty_addr_buf[1]: 0x%hx \n", __func__, twi_addr, u_i2c_addr.dirty_addr_buf[0], u_i2c_addr.dirty_addr_buf[1]);
u_i2c_addr.dirty_addr_buf[0] = twi_addr;
u_i2c_addr.dirty_addr_buf[1] = I2C_CLIENT_END;
pr_info("%s: after: ctp_twi_addr is 0x%x, dirty_addr_buf: 0x%hx. dirty_addr_buf[1]: 0x%hx \n", __func__, twi_addr, u_i2c_addr.dirty_addr_buf[0], u_i2c_addr.dirty_addr_buf[1]);
//pr_info("%s: after: ctp_twi_addr is 0x%x, u32_dirty_addr_buf: 0x%hx. u32_dirty_addr_buf[1]: 0x%hx \n", __func__, twi_addr, u32_dirty_addr_buf[0],u32_dirty_addr_buf[1]);
if(SCRIPT_PARSER_OK != script_parser_fetch("ctp_para", "ctp_twi_id", &twi_id, sizeof(twi_id)/sizeof(__u32))){
pr_err("%s: script_parser_fetch err. \n", name);
goto script_parser_fetch_err;
}
pr_info("%s: ctp_twi_id is %d. \n", __func__, twi_id);
if(SCRIPT_PARSER_OK != script_parser_fetch("ctp_para", "ctp_screen_max_x", &screen_max_x, 1)){
pr_err("%s: script_parser_fetch err. \n", __func__);
goto script_parser_fetch_err;
}
pr_info("%s: screen_max_x = %d. \n", __func__, screen_max_x);
if(SCRIPT_PARSER_OK != script_parser_fetch("ctp_para", "ctp_screen_max_y", &screen_max_y, 1)){
pr_err("%s: script_parser_fetch err. \n", __func__);
goto script_parser_fetch_err;
}
pr_info("%s: screen_max_y = %d. \n", __func__, screen_max_y);
if(SCRIPT_PARSER_OK != script_parser_fetch("ctp_para", "ctp_revert_x_flag", &revert_x_flag, 1)){
pr_err("%s: script_parser_fetch err. \n", __func__);
goto script_parser_fetch_err;
}
pr_info("%s: revert_x_flag = %d. \n", __func__, revert_x_flag);
if(SCRIPT_PARSER_OK != script_parser_fetch("ctp_para", "ctp_revert_y_flag", &revert_y_flag, 1)){
pr_err("%s: script_parser_fetch err. \n", __func__);
goto script_parser_fetch_err;
}
pr_info("%s: revert_y_flag = %d. \n", __func__, revert_y_flag);
if(SCRIPT_PARSER_OK != script_parser_fetch("ctp_para", "ctp_exchange_x_y_flag", &exchange_x_y_flag, 1)){
pr_err("ft5x_ts: script_parser_fetch err. \n");
goto script_parser_fetch_err;
}
pr_info("%s: exchange_x_y_flag = %d. \n", __func__, exchange_x_y_flag);
return 0;
script_parser_fetch_err:
pr_notice("=========script_parser_fetch_err============\n");
return ret;
}
/**
* ctp_reset - function
*
*/
static void ctp_reset(void)
{
if(gpio_reset_enable){
pr_info("%s. \n", __func__);
if(EGPIO_SUCCESS != gpio_write_one_pin_value(gpio_reset_hdle, 0, "ctp_reset")){
pr_info("%s: err when operate gpio. \n", __func__);
}
mdelay(TS_RESET_LOW_PERIOD);
if(EGPIO_SUCCESS != gpio_write_one_pin_value(gpio_reset_hdle, 1, "ctp_reset")){
pr_info("%s: err when operate gpio. \n", __func__);
}
mdelay(TS_INITIAL_HIGH_PERIOD);
}
}
/**
* ctp_wakeup - function
*
*/
static void ctp_wakeup(void)
{
if(1 == gpio_wakeup_enable){
pr_info("%s. \n", __func__);
if(EGPIO_SUCCESS != gpio_write_one_pin_value(gpio_wakeup_hdle, 0, "ctp_wakeup")){
pr_info("%s: err when operate gpio. \n", __func__);
}
mdelay(TS_WAKEUP_LOW_PERIOD);
if(EGPIO_SUCCESS != gpio_write_one_pin_value(gpio_wakeup_hdle, 1, "ctp_wakeup")){
pr_info("%s: err when operate gpio. \n", __func__);
}
mdelay(TS_WAKEUP_HIGH_PERIOD);
}
return;
}
/**
* ctp_detect - Device detection callback for automatic device creation
* return value:
* = 0; success;
* < 0; err
*/
int ctp_detect(struct i2c_client *client, struct i2c_board_info *info)
{
struct i2c_adapter *adapter = client->adapter;
if(twi_id == adapter->nr)
{
pr_info("%s: Detected chip %s at adapter %d, address 0x%02x\n",
__func__, CTP_NAME, i2c_adapter_id(adapter), client->addr);
strlcpy(info->type, CTP_NAME, I2C_NAME_SIZE);
return 0;
}else{
return -ENODEV;
}
}
////////////////////////////////////////////////////////////////
static struct ctp_platform_ops ctp_ops = {
.get_pendown_state = ctp_get_pendown_state,
.clear_penirq = ctp_clear_penirq,
.set_irq_mode = ctp_set_irq_mode,
.set_gpio_mode = ctp_set_gpio_mode,
.judge_int_occur = ctp_judge_int_occur,
.init_platform_resource = ctp_init_platform_resource,
.free_platform_resource = ctp_free_platform_resource,
.fetch_sysconfig_para = ctp_fetch_sysconfig_para,
.ts_reset = ctp_reset,
.ts_wakeup = ctp_wakeup,
.ts_detect = ctp_detect,
};
int fts_ctpm_fw_upgrade_with_i_file(void);
static struct i2c_dev *i2c_dev_get_by_minor(unsigned index)
{
struct i2c_dev *i2c_dev;
spin_lock(&i2c_dev_list_lock);
list_for_each_entry(i2c_dev,&i2c_dev_list,list){
pr_info("--line = %d ,i2c_dev->adapt->nr = %d,index = %d.\n",__LINE__,i2c_dev->adap->nr,index);
if(i2c_dev->adap->nr == index){
goto found;
}
}
i2c_dev = NULL;
found:
spin_unlock(&i2c_dev_list_lock);
return i2c_dev ;
}
static struct i2c_dev *get_free_i2c_dev(struct i2c_adapter *adap)
{
struct i2c_dev *i2c_dev;
if (adap->nr >= I2C_MINORS){
pr_info("i2c-dev:out of device minors (%d) \n",adap->nr);
return ERR_PTR (-ENODEV);
}
i2c_dev = kzalloc(sizeof(*i2c_dev), GFP_KERNEL);
if (!i2c_dev){
return ERR_PTR(-ENOMEM);
}
i2c_dev->adap = adap;
spin_lock(&i2c_dev_list_lock);
list_add_tail(&i2c_dev->list, &i2c_dev_list);
spin_unlock(&i2c_dev_list_lock);
return i2c_dev;
}
static int ft5x_i2c_rxdata(char *rxdata, int length);
struct ts_event {
u16 x1;
u16 y1;
u16 x2;
u16 y2;
u16 x3;
u16 y3;
u16 x4;
u16 y4;
u16 x5;
u16 y5;
u16 pressure;
s16 touch_ID1;
s16 touch_ID2;
s16 touch_ID3;
s16 touch_ID4;
s16 touch_ID5;
u8 touch_point;
};
struct ft5x_ts_data {
struct input_dev *input_dev;
struct ts_event event;
struct work_struct pen_event_work;
struct workqueue_struct *ts_workqueue;
#ifdef CONFIG_HAS_EARLYSUSPEND
struct early_suspend early_suspend;
#endif
};
/* ---------------------------------------------------------------------
*
* Focal Touch panel upgrade related driver
*
*
----------------------------------------------------------------------*/
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
#define FTS_NULL 0x0
#define FTS_TRUE 0x01
#define FTS_FALSE 0x0
#define I2C_CTPM_ADDRESS (0x70>>1)
void delay_ms(FTS_WORD w_ms)
{
//platform related, please implement this function
msleep( w_ms );
}
/*
[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;
*/
int i2c_read_interface(u8 bt_ctpm_addr, u8* pbt_buf, u16 dw_lenth)
{
int ret;
ret=i2c_master_recv(this_client, pbt_buf, dw_lenth);
if(ret != dw_lenth){
pr_info("ret = %d. \n", ret);
pr_info("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;
*/
int i2c_write_interface(u8 bt_ctpm_addr, u8* pbt_buf, u16 dw_lenth)
{
int ret;
ret=i2c_master_send(this_client, pbt_buf, dw_lenth);
if(ret != dw_lenth){
pr_info("i2c_write_interface error\n");
return FTS_FALSE;
}
return FTS_TRUE;
}
/***************************************************************************************/
/*
[function]:
read out the register value.
[parameters]:
e_reg_name[in] :register name;
pbt_buf[out] :the returned register value;
bt_len[in] :length of pbt_buf, should be set to 2;
[return]:
FTS_TRUE :success;
FTS_FALSE :io fail;
*/
u8 fts_register_read(u8 e_reg_name, u8* pbt_buf, u8 bt_len)
{
u8 read_cmd[3]= {0};
u8 cmd_len = 0;
read_cmd[0] = e_reg_name;
cmd_len = 1;
/*call the write callback function*/
// if(!i2c_write_interface(I2C_CTPM_ADDRESS, &read_cmd, cmd_len))
// {
// return FTS_FALSE;
// }
if(!i2c_write_interface(I2C_CTPM_ADDRESS, read_cmd, cmd_len)) {//change by zhengdixu
return FTS_FALSE;
}
/*call the read callback function to get the register value*/
if(!i2c_read_interface(I2C_CTPM_ADDRESS, pbt_buf, bt_len)){
return FTS_FALSE;
}
return FTS_TRUE;
}
/*
[function]:
write a value to register.
[parameters]:
e_reg_name[in] :register name;
pbt_buf[in] :the returned register value;
[return]:
FTS_TRUE :success;
FTS_FALSE :io fail;
*/
int fts_register_write(u8 e_reg_name, u8 bt_value)
{
FTS_BYTE write_cmd[2] = {0};
write_cmd[0] = e_reg_name;
write_cmd[1] = bt_value;
/*call the write callback function*/
//return i2c_write_interface(I2C_CTPM_ADDRESS, &write_cmd, 2);
return i2c_write_interface(I2C_CTPM_ADDRESS, write_cmd, 2); //change by zhengdixu
}
/*
[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;
*/
int cmd_write(u8 btcmd,u8 btPara1,u8 btPara2,u8 btPara3,u8 num)
{
FTS_BYTE write_cmd[4] = {0};
write_cmd[0] = btcmd;
write_cmd[1] = btPara1;
write_cmd[2] = btPara2;
write_cmd[3] = btPara3;
//return i2c_write_interface(I2C_CTPM_ADDRESS, &write_cmd, num);
return i2c_write_interface(I2C_CTPM_ADDRESS, write_cmd, num);//change by zhengdixu
}
/*
[function]:
write data to ctpm , the destination address is 0.
[parameters]:
pbt_buf[in] :point to data buffer;
bt_len[in] :the data numbers;
[return]:
FTS_TRUE :success;
FTS_FALSE :io fail;
*/
int byte_write(u8* pbt_buf, u16 dw_len)
{
return i2c_write_interface(I2C_CTPM_ADDRESS, pbt_buf, dw_len);
}
/*
[function]:
read out data from ctpm,the destination address is 0.
[parameters]:
pbt_buf[out] :point to data buffer;
bt_len[in] :the data numbers;
[return]:
FTS_TRUE :success;
FTS_FALSE :io fail;
*/
int byte_read(u8* pbt_buf, u8 bt_len)
{
return i2c_read_interface(I2C_CTPM_ADDRESS, pbt_buf, bt_len);
//ft5x_i2c_rxdata
}
/*
[function]:
burn the FW to ctpm.
[parameters]:(ref. SPEC)
pbt_buf[in] :point to Head+FW ;
dw_lenth[in]:the length of the FW + 6(the Head length);
bt_ecc[in] :the ECC of the FW
[return]:
ERR_OK :no error;
ERR_MODE :fail to switch to UPDATE mode;
ERR_READID :read id fail;
ERR_ERASE :erase chip fail;
ERR_STATUS :status error;
ERR_ECC :ecc error.
*/
#define FTS_PACKET_LENGTH 128 //2//4//8//16//32//64//128//256
static unsigned char CTPM_FW[]=
{
#include "ft_app.i"
};
unsigned char fts_ctpm_get_i_file_ver(void)
{
unsigned int ui_sz;
ui_sz = sizeof(CTPM_FW);
if (ui_sz > 2)
{
return CTPM_FW[ui_sz - 2];
}
else
{
//TBD, error handling?
return 0xff; //default value
}
}
E_UPGRADE_ERR_TYPE fts_ctpm_fw_upgrade(u8* pbt_buf, u16 dw_lenth)
{
u8 reg_val[2] = {0};
FTS_BOOL i_ret = 0;
u16 i = 0;
u16 packet_number;
u16 j;
u16 temp;
u16 lenght;
u8 packet_buf[FTS_PACKET_LENGTH + 6];
u8 auc_i2c_write_buf[10];
u8 bt_ecc;
/*********Step 1:Reset CTPM *****/
/*write 0xaa to register 0xfc*/
delay_ms(100);
fts_register_write(0xfc,0xaa);
delay_ms(50);
/*write 0x55 to register 0xfc*/
fts_register_write(0xfc,0x55);
pr_info("Step 1: Reset CTPM test\n");
delay_ms(30);
/*********Step 2:Enter upgrade mode *****/
auc_i2c_write_buf[0] = 0x55;
auc_i2c_write_buf[1] = 0xaa;
i = 0;
do{
i++;
i_ret = i2c_write_interface(I2C_CTPM_ADDRESS, auc_i2c_write_buf, 2);
pr_info("Step 2: Enter update mode. \n");
delay_ms(5);
}while((FTS_FALSE == i_ret) && i<5);
/*********Step 3:check READ-ID***********************/
/*send the opration head*/
i = 0;
do{
if(i > 3)
{
cmd_write(0x07,0x00,0x00,0x00,1);
return ERR_READID;
}
/*read out the CTPM ID*/
pr_info("====Step 3:check READ-ID====");
cmd_write(0x90,0x00,0x00,0x00,4);
byte_read(reg_val,2);
i++;
delay_ms(5);
pr_info("Step 3: CTPM ID,ID1 = 0x%x,ID2 = 0x%x\n",reg_val[0],reg_val[1]);
}while(reg_val[1] != 0x03);//while(reg_val[0] != 0x79 || reg_val[1] != 0x03);
/*********Step 4:erase app*******************************/
cmd_write(0x61,0x00,0x00,0x00,1);
delay_ms(1500);
pr_info("Step 4: erase. \n");
/*********Step 5:write firmware(FW) to ctpm flash*********/
bt_ecc = 0;
pr_info("Step 5: start upgrade. \n");
dw_lenth = dw_lenth - 8;
packet_number = (dw_lenth) / FTS_PACKET_LENGTH;
packet_buf[0] = 0xbf;
packet_buf[1] = 0x00;
for (j=0;j<packet_number;j++)
{
temp = j * FTS_PACKET_LENGTH;
packet_buf[2] = (FTS_BYTE)(temp>>8);
packet_buf[3] = (FTS_BYTE)temp;
lenght = FTS_PACKET_LENGTH;
packet_buf[4] = (FTS_BYTE)(lenght>>8);
packet_buf[5] = (FTS_BYTE)lenght;
for (i=0;i<FTS_PACKET_LENGTH;i++)
{
packet_buf[6+i] = pbt_buf[j*FTS_PACKET_LENGTH + i];
bt_ecc ^= packet_buf[6+i];
}
byte_write(&packet_buf[0],FTS_PACKET_LENGTH + 6);
delay_ms(FTS_PACKET_LENGTH/6 + 1);
if ((j * FTS_PACKET_LENGTH % 1024) == 0)
{
pr_info("upgrade the 0x%x th byte.\n", ((unsigned int)j) * FTS_PACKET_LENGTH);
}
}
if ((dw_lenth) % FTS_PACKET_LENGTH > 0)
{
temp = packet_number * FTS_PACKET_LENGTH;
packet_buf[2] = (FTS_BYTE)(temp>>8);
packet_buf[3] = (FTS_BYTE)temp;
temp = (dw_lenth) % FTS_PACKET_LENGTH;
packet_buf[4] = (FTS_BYTE)(temp>>8);
packet_buf[5] = (FTS_BYTE)temp;
for (i=0;i<temp;i++)
{
packet_buf[6+i] = pbt_buf[ packet_number*FTS_PACKET_LENGTH + i];
bt_ecc ^= packet_buf[6+i];
}
byte_write(&packet_buf[0],temp+6);
delay_ms(20);
}
//send the last six byte
for (i = 0; i<6; i++)
{
temp = 0x6ffa + i;
packet_buf[2] = (FTS_BYTE)(temp>>8);
packet_buf[3] = (FTS_BYTE)temp;
temp =1;
packet_buf[4] = (FTS_BYTE)(temp>>8);
packet_buf[5] = (FTS_BYTE)temp;
packet_buf[6] = pbt_buf[ dw_lenth + i];
bt_ecc ^= packet_buf[6];
byte_write(&packet_buf[0],7);
delay_ms(20);
}
/*********Step 6: read out checksum***********************/
/*send the opration head*/
//cmd_write(0xcc,0x00,0x00,0x00,1);//把0xcc当作寄存器地址，去读出一个字节
// byte_read(reg_val,1);//change by zhengdixu
fts_register_read(0xcc, reg_val,1);
pr_info("Step 6: ecc read 0x%x, new firmware 0x%x. \n", reg_val[0], bt_ecc);
if(reg_val[0] != bt_ecc)
{