/*
i2c-dev.h - i2c-bus driver, char device interface
Copyright (C) 1995-97 Simon G. Vogl
Copyright (C) 1998-99 Frodo Looijaard <[email protected]>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
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.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301 USA.
*/
#ifndef _LINUX_I2C_DEV_H
#define _LINUX_I2C_DEV_H
#include <linux/types.h>
#include <sys/ioctl.h>
#include <stddef.h>
/* -- i2c.h -- */
/*
* I2C Message - used for pure i2c transaction, also from /dev interface
*/
struct i2c_msg {
__u16 addr; /* slave address */
unsigned short flags;
#define I2C_M_TEN 0x10 /* we have a ten bit chip address */
#define I2C_M_RD 0x01
#define I2C_M_NOSTART 0x4000
#define I2C_M_REV_DIR_ADDR 0x2000
#define I2C_M_IGNORE_NAK 0x1000
#define I2C_M_NO_RD_ACK 0x0800
short len; /* msg length */
char *buf; /* pointer to msg data */
};
/* To determine what functionality is present */
#define I2C_FUNC_I2C 0x00000001
#define I2C_FUNC_10BIT_ADDR 0x00000002
#define I2C_FUNC_PROTOCOL_MANGLING 0x00000004 /* I2C_M_{REV_DIR_ADDR,NOSTART,..} */
#define I2C_FUNC_SMBUS_PEC 0x00000008
#define I2C_FUNC_SMBUS_BLOCK_PROC_CALL 0x00008000 /* SMBus 2.0 */
#define I2C_FUNC_SMBUS_QUICK 0x00010000
#define I2C_FUNC_SMBUS_READ_BYTE 0x00020000
#define I2C_FUNC_SMBUS_WRITE_BYTE 0x00040000
#define I2C_FUNC_SMBUS_READ_BYTE_DATA 0x00080000
#define I2C_FUNC_SMBUS_WRITE_BYTE_DATA 0x00100000
#define I2C_FUNC_SMBUS_READ_WORD_DATA 0x00200000
#define I2C_FUNC_SMBUS_WRITE_WORD_DATA 0x00400000
#define I2C_FUNC_SMBUS_PROC_CALL 0x00800000
#define I2C_FUNC_SMBUS_READ_BLOCK_DATA 0x01000000
#define I2C_FUNC_SMBUS_WRITE_BLOCK_DATA 0x02000000
#define I2C_FUNC_SMBUS_READ_I2C_BLOCK 0x04000000 /* I2C-like block xfer */
#define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK 0x08000000 /* w/ 1-byte reg. addr. */
#define I2C_FUNC_SMBUS_BYTE (I2C_FUNC_SMBUS_READ_BYTE | \
I2C_FUNC_SMBUS_WRITE_BYTE)
#define I2C_FUNC_SMBUS_BYTE_DATA (I2C_FUNC_SMBUS_READ_BYTE_DATA | \
I2C_FUNC_SMBUS_WRITE_BYTE_DATA)
#define I2C_FUNC_SMBUS_WORD_DATA (I2C_FUNC_SMBUS_READ_WORD_DATA | \
I2C_FUNC_SMBUS_WRITE_WORD_DATA)
#define I2C_FUNC_SMBUS_BLOCK_DATA (I2C_FUNC_SMBUS_READ_BLOCK_DATA | \
I2C_FUNC_SMBUS_WRITE_BLOCK_DATA)
#define I2C_FUNC_SMBUS_I2C_BLOCK (I2C_FUNC_SMBUS_READ_I2C_BLOCK | \
I2C_FUNC_SMBUS_WRITE_I2C_BLOCK)
/* Old name, for compatibility */
#define I2C_FUNC_SMBUS_HWPEC_CALC I2C_FUNC_SMBUS_PEC
/*
* Data for SMBus Messages
*/
#define I2C_SMBUS_BLOCK_MAX 32 /* As specified in SMBus standard */
#define I2C_SMBUS_I2C_BLOCK_MAX 32 /* Not specified but we use same structure */
union i2c_smbus_data {
__u8 byte;
__u16 word;
__u8 block[I2C_SMBUS_BLOCK_MAX + 2]; /* block[0] is used for length */
/* and one more for PEC */
};
/* smbus_access read or write markers */
#define I2C_SMBUS_READ 1
#define I2C_SMBUS_WRITE 0
/* SMBus transaction types (size parameter in the above functions)
Note: these no longer correspond to the (arbitrary) PIIX4 internal codes! */
#define I2C_SMBUS_QUICK 0
#define I2C_SMBUS_BYTE 1
#define I2C_SMBUS_BYTE_DATA 2
#define I2C_SMBUS_WORD_DATA 3
#define I2C_SMBUS_PROC_CALL 4
#define I2C_SMBUS_BLOCK_DATA 5
#define I2C_SMBUS_I2C_BLOCK_BROKEN 6
#define I2C_SMBUS_BLOCK_PROC_CALL 7 /* SMBus 2.0 */
#define I2C_SMBUS_I2C_BLOCK_DATA 8
/* /dev/i2c-X ioctl commands. The ioctl's parameter is always an
* unsigned long, except for:
* - I2C_FUNCS, takes pointer to an unsigned long
* - I2C_RDWR, takes pointer to struct i2c_rdwr_ioctl_data
* - I2C_SMBUS, takes pointer to struct i2c_smbus_ioctl_data
*/
#define I2C_RETRIES 0x0701 /* number of times a device address should
be polled when not acknowledging */
#define I2C_TIMEOUT 0x0702 /* set timeout in units of 10 ms */
/* NOTE: Slave address is 7 or 10 bits, but 10-bit addresses
* are NOT supported! (due to code brokenness)
*/
#define I2C_SLAVE 0x0703 /* Use this slave address */
#define I2C_SLAVE_FORCE 0x0706 /* Use this slave address, even if it
is already in use by a driver! */
#define I2C_TENBIT 0x0704 /* 0 for 7 bit addrs, != 0 for 10 bit */
#define I2C_FUNCS 0x0705 /* Get the adapter functionality mask */
#define I2C_RDWR 0x0707 /* Combined R/W transfer (one STOP only) */
#define I2C_PEC 0x0708 /* != 0 to use PEC with SMBus */
#define I2C_SMBUS 0x0720 /* SMBus transfer */
/* This is the structure as used in the I2C_SMBUS ioctl call */
struct i2c_smbus_ioctl_data {
__u8 read_write;
__u8 command;
__u32 size;
union i2c_smbus_data *data;
};
/* This is the structure as used in the I2C_RDWR ioctl call */
struct i2c_rdwr_ioctl_data {
struct i2c_msg *msgs; /* pointers to i2c_msgs */
__u32 nmsgs; /* number of i2c_msgs */
};
#define I2C_RDRW_IOCTL_MAX_MSGS 42
static inline __s32 i2c_smbus_access(int file, char read_write, __u8 command,
int size, union i2c_smbus_data *data)
{
struct i2c_smbus_ioctl_data args;
args.read_write = read_write;
args.command = command;
args.size = size;
args.data = data;
return ioctl(file,I2C_SMBUS,&args);
}
static inline __s32 i2c_smbus_write_quick(int file, __u8 value)
{
return i2c_smbus_access(file,value,0,I2C_SMBUS_QUICK,NULL);
}
static inline __s32 i2c_smbus_read_byte(int file)
{
union i2c_smbus_data data;
if (i2c_smbus_access(file,I2C_SMBUS_READ,0,I2C_SMBUS_BYTE,&data))
return -1;
else
return 0x0FF & data.byte;
}
static inline __s32 i2c_smbus_write_byte(int file, __u8 value)
{
return i2c_smbus_access(file,I2C_SMBUS_WRITE,value,
I2C_SMBUS_BYTE,NULL);
}
static inline __s32 i2c_smbus_read_byte_data(int file, __u8 command)
{
union i2c_smbus_data data;
if (i2c_smbus_access(file,I2C_SMBUS_READ,command,
I2C_SMBUS_BYTE_DATA,&data))
return -1;
else
return 0x0FF & data.byte;
}
static inline __s32 i2c_smbus_write_byte_data(int file, __u8 command,
__u8 value)
{
union i2c_smbus_data data;
data.byte = value;
return i2c_smbus_access(file,I2C_SMBUS_WRITE,command,
I2C_SMBUS_BYTE_DATA, &data);
}
static inline __s32 i2c_smbus_read_word_data(int file, __u8 command)
{
union i2c_smbus_data data;
if (i2c_smbus_access(file,I2C_SMBUS_READ,command,
I2C_SMBUS_WORD_DATA,&data))
return -1;
else
return 0x0FFFF & data.word;
}
static inline __s32 i2c_smbus_write_word_data(int file, __u8 command,
__u16 value)
{
union i2c_smbus_data data;
data.word = value;
return i2c_smbus_access(file,I2C_SMBUS_WRITE,command,
I2C_SMBUS_WORD_DATA, &data);
}
static inline __s32 i2c_smbus_process_call(int file, __u8 command, __u16 value)
{
union i2c_smbus_data data;
data.word = value;
if (i2c_smbus_access(file,I2C_SMBUS_WRITE,command,
I2C_SMBUS_PROC_CALL,&data))
return -1;
else
return 0x0FFFF & data.word;
}
/* Returns the number of read bytes */
static inline __s32 i2c_smbus_read_block_data(int file, __u8 command,
__u8 *values)
{
union i2c_smbus_data data;
int i;
if (i2c_smbus_access(file,I2C_SMBUS_READ,command,
I2C_SMBUS_BLOCK_DATA,&data))
return -1;
else {
for (i = 1; i <= data.block[0]; i++)
values[i-1] = data.block[i];
return data.block[0];
}
}
static inline __s32 i2c_smbus_write_block_data(int file, __u8 command,
__u8 length, const __u8 *values)
{
union i2c_smbus_data data;
int i;
if (length > 32)
length = 32;
for (i = 1; i <= length; i++)
data.block[i] = values[i-1];
data.block[0] = length;
return i2c_smbus_access(file,I2C_SMBUS_WRITE,command,
I2C_SMBUS_BLOCK_DATA, &data);
}
/* Returns the number of read bytes */
/* Until kernel 2.6.22, the length is hardcoded to 32 bytes. If you
ask for less than 32 bytes, your code will only work with kernels
2.6.23 and later. */
static inline __s32 i2c_smbus_read_i2c_block_data(int file, __u8 command,
__u8 length, __u8 *values)
{
union i2c_smbus_data data;
int i;
if (length > 32)
length = 32;
data.block[0] = length;
if (i2c_smbus_access(file,I2C_SMBUS_READ,command,
length == 32 ? I2C_SMBUS_I2C_BLOCK_BROKEN :
I2C_SMBUS_I2C_BLOCK_DATA,&data))
return -1;
else {
for (i = 1; i <= data.block[0]; i++)
values[i-1] = data.block[i];
return data.block[0];
}
}
static inline __s32 i2c_smbus_write_i2c_block_data(int file, __u8 command,
__u8 length,
const __u8 *values)
{
union i2c_smbus_data data;
int i;
if (length > 32)
length = 32;
for (i = 1; i <= length; i++)
data.block[i] = values[i-1];
data.block[0] = length;
return i2c_smbus_access(file,I2C_SMBUS_WRITE,command,
I2C_SMBUS_I2C_BLOCK_BROKEN, &data);
}
/* Returns the number of read bytes */
static inline __s32 i2c_smbus_block_process_call(int file, __u8 command,
__u8 length, __u8 *values)
{
union i2c_smbus_data data;
int i;
if (length > 32)
length = 32;
for (i = 1; i <= length; i++)
data.block[i] = values[i-1];
data.block[0] = length;
if (i2c_smbus_access(file,I2C_SMBUS_WRITE,command,
I2C_SMBUS_BLOCK_PROC_CALL,&data))
return -1;
else {
for (i = 1; i <= data.block[0]; i++)
values[i-1] = data.block[i];
return data.block[0];
}
}
#endif /* _LINUX_I2C_DEV_H */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#include <errno.h>
#include "i2c-dev.h"
#define u8 unsigned char
#define u32 unsigned int
#define I2C_DEV "/dev/i2c-1"
#define I2C_ADDR 0x38
#define FTS_PACKET_LENGTH 128
#define FTS_UPGRADE_LOOP 3
#define FT_UPGRADE_AA 0xAA
#define FT_UPGRADE_55 0x55
#define FT_UPGRADE_EARSE_DELAY 1500
/*upgrade config of FT5x06(x=2,3,4)*/
#define FT5X06_UPGRADE_AA_DELAY 50
#define FT5X06_UPGRADE_55_DELAY 30
#define FT5X06_UPGRADE_ID_1 0x79
#define FT5X06_UPGRADE_ID_2 0x03
#define FT5X06_UPGRADE_READID_DELAY 1
#define FW_FILE_NAME "ft5406_0X13_app.i"
static unsigned char CTPM_FW[]=
{
#include FW_FILE_NAME
};
/* 基于ft5x06_ts.c */
/*将读写i2c_msg放在一个ioctl函数来完成，导致读失败*/
/*
int ft5x0x_i2c_Read(int fd, int chip_addr, char *writebuf,
int writelen, char *readbuf, int readlen)
{
int ret;
struct i2c_rdwr_ioctl_data ioctl_data;
if (writelen > 0) {//一个i2c_msg对应一个s一个p
struct i2c_msg msgs[] = {
{
.addr = chip_addr,
.flags = 0,//写
.len = writelen,
.buf = writebuf,
},
{
.addr = chip_addr,
.flags = I2C_M_RD,//读
.len = readlen,
.buf = readbuf,
},
};
ioctl_data.nmsgs = 2;
ioctl_data.msgs = msgs;
// ret = i2c_transfer(client->adapter, msgs, 2);
ret = ioctl(fd,I2C_RDWR,&ioctl_data);
if (ret < 0)
printf("f%s: i2c read error.\n",__func__);
} else {
struct i2c_msg msgs[] = {
{
.addr = chip_addr,
.flags = I2C_M_RD,
.len = readlen,
.buf = readbuf,
},
};
ioctl_data.nmsgs = 1;
ioctl_data.msgs = msgs;
// ret = i2c_transfer(client->adapter, msgs, 1);
ret = ioctl(fd,I2C_RDWR,&ioctl_data);
if (ret < 0)
printf("f%s: i2c read error.\n",__func__);
}
return ret;
}
*/
/* 基于ft5x06_ts.c */
/*
*将读写i2c_msg放在一个ioctl函数来完成，导致读失败
*把两个读写i2c_msg分别ioctl
*/
int ft5x0x_i2c_Read(int fd, int chip_addr, char *writebuf,
int writelen, char *readbuf, int readlen)
{
int ret;
struct i2c_rdwr_ioctl_data ioctl_data;
if (writelen > 0) {//一个i2c_msg对应一个s一个p
struct i2c_msg msgs[] = {
{
.addr = chip_addr,
.flags = 0,//写
.len = writelen,
.buf = writebuf,
},
{
.addr = chip_addr,
.flags = I2C_M_RD,//读
.len = readlen,
.buf = readbuf,
},
};
ioctl_data.nmsgs = 1;
ioctl_data.msgs = &msgs[0];
// ret = i2c_transfer(client->adapter, msgs, 2);
ret = ioctl(fd,I2C_RDWR,&ioctl_data);
if (ret < 0)
printf("f%s: i2c read error.\n",__func__);
ioctl_data.nmsgs = 1;
ioctl_data.msgs = &msgs[1];
// ret = i2c_transfer(client->adapter, msgs, 2);
ret = ioctl(fd,I2C_RDWR,&ioctl_data);
if (ret < 0)
printf("f%s: i2c read error.\n",__func__);
} else {
struct i2c_msg msgs[] = {
{
.addr = chip_addr,
.flags = I2C_M_RD,
.len = readlen,
.buf = readbuf,
},
};
ioctl_data.nmsgs = 1;
ioctl_data.msgs = msgs;
// ret = i2c_transfer(client->adapter, msgs, 1);
ret = ioctl(fd,I2C_RDWR,&ioctl_data);
if (ret < 0)
printf("f%s: i2c read error.\n",__func__);
}
return ret;
}
int ft5x0x_i2c_Write(int fd, int chip_addr, char *writebuf, int writelen)
{
int ret;
struct i2c_rdwr_ioctl_data ioctl_data;
struct i2c_msg msg[] = {
{
.addr = chip_addr,
.flags = 0,
.len = writelen,
.buf = writebuf,
},
};
ioctl_data.nmsgs = 1;
ioctl_data.msgs = msg;
// ret = i2c_transfer(client->adapter, msgs, 1);
ret = ioctl(fd,I2C_RDWR,&ioctl_data);
if (ret < 0)
printf("f%s: i2c write error.\n",__func__);
return ret;
}
int ft5x0x_read_reg(int fd,int chip_addr, u8 regaddr, u8 * regvalue)
{
return ft5x0x_i2c_Read(fd, chip_addr, ®addr, 1, regvalue, 1);
}
int ft5x0x_write_reg(int fd,int chip_addr, u8 regaddr, u8 regvalue)
{
unsigned char buf[2] = {0};
buf[0] = regaddr;
buf[1] = regvalue;
return ft5x0x_i2c_Write(fd,chip_addr, buf, sizeof(buf));
}
/*
可能是由于FT5x06芯片的电器特性，需要delay一段时间
所以读FT5x06芯片不能使用直接i2c_smbus_read_byte_data函数
而是分别使用i2c_smbus_write_byte和i2c_smbus_read_byte
*/
/*
int ft5x06_read_byte(int fd, __u8 addr)
{
if(i2c_smbus_write_byte(fd, addr) <0 )
{
printf("i2c_smbus_write_byte error\n");
return -1;
}
usleep(10); //延时
return i2c_smbus_read_byte(fd);
}
int ft5x06_read_bytes(int fd, __u8 addr , int size , char * buf)
{
int i;
char c;
for(i=0;i < size; ++i, ++addr)
{
if((c = ft5x06_read_byte( fd, addr)) < 0 )
{
return -1;
} else
buf[i] = c;
}
return 0;
}
int ft5x06_write_bytes(int fd, __u8 addr , int size , const char * buf)
{
int i;
for(i=0;i<size;i++,addr ++)
{
if(i2c_smbus_write_byte_data(fd, addr, buf[i]) <0 )
{
printf("i2c_smbus_write_byte_data error\n");
return -1;
}
}
return 0;
}
*/
int fts_ctpm_fw_upgrade(int fd,int chip_addr, u8* pbt_buf, u32 dw_lenth)
{
}
/*
upgrade with *.i file
*/
int fts_ctpm_fw_upgrade_with_i_file(int fd,int chip_addr)
{
}
static u8 fts_ctpm_get_i_file_ver(void)
{
unsigned short ui_sz;
ui_sz = sizeof(CTPM_FW);
if (ui_sz > 2)
{
return CTPM_FW[ui_sz - 2];
}
else
{
return 0x00; /*default value*/
}
}
int main()
{
int fd;
unsigned char ver = 0;
unsigned char fw_file_ver = 0;
fd = open(I2C_DEV,O_RDWR);
if(fd == -1)
{
printf("open error\n");
return -1;
}
if(ioctl(fd,I2C_SLAVE,I2C_ADDR) < 0)
{
printf("set addr error\n");
close(fd);
return -1;
}
fw_file_ver = fts_ctpm_get_i_file_ver();
printf("[FTS] %s Firmware version = 0x%x\n",FW_FILE_NAME, fw_file_ver);
if(fw_file_ver == 0)
{
printf("Get Firmware version from File %s Error\n",FW_FILE_NAME);
goto exit;
}
ft5x0x_read_reg(fd, I2C_ADDR, 0xa6, &ver);
printf("[FTS] Firmware version Before Upgrade = 0x%x\n",ver);
/*
if(ver == fw_file_ver)
{
printf("[FTS] Upgrade is not necessary\n");
goto exit;
}
*/
if(ver != 0x11)
{
printf("[FTS] Upgrade is not necessary\n");
printf("[FTS] Upgrade program is only for 0x11 to 0x13\n");
goto exit;
}
//更新
fts_ctpm_fw_upgrade_with_i_file(fd,I2C_ADDR);
ft5x0x_read_reg(fd, I2C_ADDR, 0xa6, &ver);
printf("[FTS] Firmware version After Upgrade = 0x%x\n",ver);
if(ver == fw_file_ver)
{
printf("[FTS] Firmware Update Success!\n");
} else {
printf("[FTS] Firmware Update Fail!\n");
}
exit:
close(fd);
return 0;
}
