// index: index of otp group. (1, 2, 3)
// return: 0, group index is empty
// 1, group index has invalid data
// 2, group index has valid data
int check_otp_lenc(uint index, struct msm_sensor_ctrl_t *s_ctrl)
{
int flag, bank;
int address;
// select bank: index*4 =4,8,12
bank = 0xc0 | (index*4);
ov8835_write_sccb16(0x3d84, bank,s_ctrl);
// read otp into buffer
ov8835_write_sccb16(0x3d81, 0x01,s_ctrl);
msleep(5);
// read flag
address = 0x3d00;
flag = ov8835_read_sccb16(address,s_ctrl);
CDBG("otplenc %s flag=0x%x",__func__,flag);
flag = flag & 0xc0;
// disable otp read
ov8835_write_sccb16(0x3d81, 0x00,s_ctrl);
// clear otp buffer
clear_otp_buffer(s_ctrl);
if (flag==0) {
return 0;
}
else if (flag & 0x80) {
return 1;
}
else {
return 2;
}
}
int check_otp_lenc(uint index, struct msm_sensor_ctrl_t *s_ctrl)
{
int flag, bank;
int address;
bank = 0xc0 | (index*4);
ov8835_write_sccb16(0x3d84, bank,s_ctrl);
ov8835_write_sccb16(0x3d81, 0x01,s_ctrl);
msleep(5);
address = 0x3d00;
flag = ov8835_read_sccb16(address,s_ctrl);
pr_err("otplenc %s flag=0x%x",__func__,flag);
flag = flag & 0xc0;
ov8835_write_sccb16(0x3d81, 0x00,s_ctrl);
clear_otp_buffer(s_ctrl);
if (flag==0) {
return 0;
}
else if (flag & 0x80) {
return 1;
}
else {
return 2;
}
}
void clear_otp_buffer(struct msm_sensor_ctrl_t *s_ctrl)
{
int i;
// clear otp buffer
for (i=0;i<16;i++) {
ov8835_write_sccb16(0x3d00 + i, 0x00,s_ctrl);
}
}
// index: index of otp group. ( 1, 2,3)
// return: 0,
int read_otp_wb(uint index, struct otp_struct *otp_ptr, struct msm_sensor_ctrl_t *s_ctrl)
{
int bank,address,temp;
// select bank index
bank = 0xc0 | index;
ov8835_write_sccb16(0x3d84, bank,s_ctrl);
// read otp into buffer
ov8835_write_sccb16(0x3d81, 0x01,s_ctrl);
msleep(5);
address = 0x3d00;
otp_ptr->module_id = ov8835_read_sccb16(address + 1,s_ctrl);
otp_ptr->lens_id = ov8835_read_sccb16(address + 2,s_ctrl);
otp_ptr->production_year = ov8835_read_sccb16(address + 3,s_ctrl);
otp_ptr->production_month = ov8835_read_sccb16(address + 4,s_ctrl);
otp_ptr->production_day = ov8835_read_sccb16(address + 5,s_ctrl);
temp=ov8835_read_sccb16(address + 10,s_ctrl);
otp_ptr->rg_ratio = (ov8835_read_sccb16(address + 6,s_ctrl)<<2)+((temp>>6)&0x03);
otp_ptr->bg_ratio =(ov8835_read_sccb16(address + 7,s_ctrl)<<2)+((temp>>4)&0x03);
otp_ptr->light_rg = (ov8835_read_sccb16(address + 8,s_ctrl)<<2)+((temp>>2)&0x03);
otp_ptr->light_bg = (ov8835_read_sccb16(address + 9,s_ctrl)<<2)+(temp&0x03);
otp_ptr->user_data[0] = ov8835_read_sccb16(address + 11,s_ctrl);
otp_ptr->user_data[1] = ov8835_read_sccb16(address + 12,s_ctrl);
otp_ptr->user_data[2] = ov8835_read_sccb16(address + 13,s_ctrl);
otp_ptr->user_data[3] = ov8835_read_sccb16(address + 14,s_ctrl);
otp_ptr->user_data[4] = ov8835_read_sccb16(address + 15,s_ctrl);
// disable otp read
ov8835_write_sccb16(0x3d81, 0x00,s_ctrl);
// clear otp buffer
clear_otp_buffer(s_ctrl);
return 0;
}
// index: index of otp group. (1, 2, 3)
// return: 0
int read_otp_lenc(uint index, struct otp_struct *otp_ptr, struct msm_sensor_ctrl_t *s_ctrl)
{
int bank, i;
int address;
// select bank: index*4
bank = 0xc0 | (index*4);
ov8835_write_sccb16(0x3d84, bank,s_ctrl);
// read otp into buffer
ov8835_write_sccb16(0x3d81, 0x01,s_ctrl);
msleep(5);
address = 0x3d01;
for(i=0;i<15;i++) {
otp_ptr->lenc[i]=ov8835_read_sccb16(address,s_ctrl);
CDBG("%s lenc[%d]=0x%x",__func__,i,otp_ptr->lenc[i]);
address++;
}
// disable otp read
ov8835_write_sccb16(0x3d81, 0x00,s_ctrl);
// clear otp buffer
clear_otp_buffer(s_ctrl);
// select 2nd bank
bank++;
ov8835_write_sccb16(0x3d84, bank ,s_ctrl);
// read otp
ov8835_write_sccb16(0x3d81, 0x01,s_ctrl);
msleep(5);
address = 0x3d00;
for(i=15;i<31;i++) {
otp_ptr->lenc[i]=ov8835_read_sccb16(address,s_ctrl);
CDBG("%s lenc[%d]=0x%x",__func__,i,otp_ptr->lenc[i]);
address++;
}
// disable otp read
ov8835_write_sccb16(0x3d81, 0x00,s_ctrl);
// clear otp buffer
clear_otp_buffer(s_ctrl);
// select 3rd bank
bank++;
ov8835_write_sccb16(0x3d84, bank ,s_ctrl);
// read otp
ov8835_write_sccb16(0x3d81, 0x01,s_ctrl);
msleep(5);
address = 0x3d00;
for(i=31;i<47;i++) {
otp_ptr->lenc[i]=ov8835_read_sccb16(address,s_ctrl);
CDBG("%s lenc[%d]=0x%x",__func__,i,otp_ptr->lenc[i]);
address++;
}
// disable otp read
ov8835_write_sccb16(0x3d81, 0x00,s_ctrl);
// clear otp buffer
clear_otp_buffer(s_ctrl);
// select 4th bank
bank++;
ov8835_write_sccb16(0x3d84, bank ,s_ctrl);
// read otp
ov8835_write_sccb16(0x3d81, 0x01,s_ctrl);
msleep(5);
address = 0x3d00;
for(i=47;i<62;i++) {
otp_ptr->lenc[i]=ov8835_read_sccb16(address,s_ctrl);
CDBG("%s lenc[%d]=0x%x",__func__,i,otp_ptr->lenc[i]);
address++;
}
// disable otp read
ov8835_write_sccb16(0x3d81, 0x00,s_ctrl);
// clear otp buffer
clear_otp_buffer(s_ctrl);
return 0;
}
int read_otp_lenc(uint index, struct otp_struct *otp_ptr, struct msm_sensor_ctrl_t *s_ctrl)
{
int bank, i;
int address;
bank = 0xc0 | (index*4);
ov8835_write_sccb16(0x3d84, bank,s_ctrl);
ov8835_write_sccb16(0x3d81, 0x01,s_ctrl);
msleep(5);
address = 0x3d01;
for(i=0;i<15;i++) {
otp_ptr->lenc[i]=ov8835_read_sccb16(address,s_ctrl);
pr_err("%s lenc[%d]=0x%x",__func__,i,otp_ptr->lenc[i]);
address++;
}
ov8835_write_sccb16(0x3d81, 0x00,s_ctrl);
clear_otp_buffer(s_ctrl);
bank++;
ov8835_write_sccb16(0x3d84, bank ,s_ctrl);
ov8835_write_sccb16(0x3d81, 0x01,s_ctrl);
msleep(5);
address = 0x3d00;
for(i=15;i<31;i++) {
otp_ptr->lenc[i]=ov8835_read_sccb16(address,s_ctrl);
pr_err("%s lenc[%d]=0x%x",__func__,i,otp_ptr->lenc[i]);
address++;
}
ov8835_write_sccb16(0x3d81, 0x00,s_ctrl);
clear_otp_buffer(s_ctrl);
bank++;
ov8835_write_sccb16(0x3d84, bank ,s_ctrl);
ov8835_write_sccb16(0x3d81, 0x01,s_ctrl);
msleep(5);
address = 0x3d00;
for(i=31;i<47;i++) {
otp_ptr->lenc[i]=ov8835_read_sccb16(address,s_ctrl);
pr_err("%s lenc[%d]=0x%x",__func__,i,otp_ptr->lenc[i]);
address++;
}
ov8835_write_sccb16(0x3d81, 0x00,s_ctrl);
clear_otp_buffer(s_ctrl);
bank++;
ov8835_write_sccb16(0x3d84, bank ,s_ctrl);
ov8835_write_sccb16(0x3d81, 0x01,s_ctrl);
msleep(5);
address = 0x3d00;
for(i=47;i<62;i++) {
otp_ptr->lenc[i]=ov8835_read_sccb16(address,s_ctrl);
pr_err("%s lenc[%d]=0x%x",__func__,i,otp_ptr->lenc[i]);
address++;
}
ov8835_write_sccb16(0x3d81, 0x00,s_ctrl);
clear_otp_buffer(s_ctrl);
return 0;
}
