171 lines
5.6 KiB
C
171 lines
5.6 KiB
C
/*
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* Support for OmniVision ov8865 8MP camera sensor.
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*
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* Copyright (c) 2014 Intel Corporation. All Rights Reserved.
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*
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* ov8865 Data format conversion
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*
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* include AWB&LSC of light source table and AF table
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*
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*/
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#ifndef __KERNEL__
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#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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#define OTP_LOG printf
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typedef unsigned char u8;
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typedef unsigned short u16;
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typedef unsigned int u32;
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#else
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//#define OTP_LOG_ENABLE 1
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#ifdef OTP_LOG_ENABLE
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#define OTP_LOG printk
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#else
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static inline void OTP_LOG(const char *fmt, ...){}
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#endif
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#endif
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#define DEBUG 0x1
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#define DATA_BUF_SIZE 1024
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#define ENULL_OV8865 -200
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#define ENULL_OTP -201
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#define SNR_OTP_START 0x7010
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#define SNR_OTP_END 0x72CF
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#define OV8865_MODULE_INFORMATION_GROUP_LEN 0xF
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#define OV8865_AWB_LSC_LIGHT_SOURCE_GROUP_LEN 0x9F
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#define OV8865_AF_GROUP_LEN 0xC
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#define OV8865_MODULE_INFORMATION_OFFSET 0
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#define OV8865_AWB_LSC_LIGHT_SOURCE_ONE_OFFSET 0x1F
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#define OV8865_AWB_LSC_LIGHT_SOURCE_TWO_OFFSET 0x15E
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#define OV8865_AF_OFFSET_VER13 0x29B
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#define OV8865_AF_OFFSET_NON_VER13 0x29D
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#define OV8865_AF_GROUP_ONE_OFFSET 0x29C
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#define OV8865_AF_GROUP_TWO_OFFSET 0x2A8
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#define OV8865_LSC_LIGHT_SOURCE_GROUP_LEN 0x90
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#define OV8865_SAVE_RAW_DATA "/data/ov8865.otp"
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#define OV8865_SAVE_OTP_DATA "/data/ov8865_parsed.otp"
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static int ov8865_otp_trans(const unsigned char *ov8865_data_ptr, const int ov8865_size, unsigned char *otp_data_ptr, int *otp_size);
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#ifdef __KERNEL__
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static int ov8865_otp_read(struct i2c_client *client, u8 *ov8865_data_ptr, u32 *ov8865_size);
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#endif
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static int ov8865_data_check(const unsigned char *ov8865_data_ptr, int ov8865_size);
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static int check_ov8865_Module_Information(const unsigned char *ov8865_data_ptr, int offset);
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static int check_ov8865_AWB_LSC_light_source(const unsigned char *ov8865_data_ptr, int offset);
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static int check_ov8865_AF(const unsigned char *ov8865_data_ptr, int offset);
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static int check_ov8865_Group(const unsigned char *ov8865_data_ptr, int offset, int len);
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static uint16_t get_nvm_checksum(const uint8_t *a_data_ptr, int32_t a_size);
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static int otp_data_copy(const unsigned char *ov8865_data_ptr,const int ov8865_size, unsigned char *otp_data_ptr, int *otp_size);
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static int otp_Module_Information_copy(const unsigned char *ov8865_data_ptr, const int ov8865_size, unsigned char *otp_data_ptr, int *otp_size);
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static int otp_AWB_LSC_light_copy(const unsigned char *ov8865_data_ptr, const int ov8865_size, unsigned char *otp_data_ptr, int *otp_size);
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static int otp_AWB_LSC_light_source_copy(const unsigned char *ov8865_data_ptr, unsigned char *otp_data_ptr, int *otp_size);
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static int otp_AF_copy(const unsigned char *ov8865_data_ptr, const int ov8865_size, unsigned char *otp_data_ptr, int *otp_size);
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static int otp_crc(unsigned char *otp_data_ptr, int *otp_size);
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/* record the valid group position in ov8865_data */
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struct ov8865_data_group_pos_st{
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int module_info;
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int awb_lsc_light_source_one;
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int awb_lsc_light_source_two;
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int af;
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}ov8865_data_group_pos;
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typedef struct ov8865_group_address{
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u32 start; /* start address of group */
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u32 len; /* length of group */
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}ov8865_group_address_t;
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typedef struct module_information {
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u8 mid;
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u8 calibration_version;
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u8 year;
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u8 month;
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u8 day;
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u8 sensor_id;
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u8 lens_id;
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u8 vcm_id;
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u8 driver_ic_id;
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u8 IR_BG_id;
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u8 color_ctc;
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u8 af_flag;
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u8 light_type;
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u8 reserved;
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}module_info_t;
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/* CRC 16 */
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static uint16_t crc16table[] =
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{ 0x0000, 0xC0C1, 0xC181, 0x0140, 0xC301, 0x03C0, 0x0280, 0xC241,
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0xC601, 0x06C0, 0x0780, 0xC741, 0x0500, 0xC5C1, 0xC481, 0x0440,
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0xCC01, 0x0CC0, 0x0D80, 0xCD41, 0x0F00, 0xCFC1, 0xCE81, 0x0E40,
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0x0A00, 0xCAC1, 0xCB81, 0x0B40, 0xC901, 0x09C0, 0x0880, 0xC841,
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0xD801, 0x18C0, 0x1980, 0xD941, 0x1B00, 0xDBC1, 0xDA81, 0x1A40,
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0x1E00, 0xDEC1, 0xDF81, 0x1F40, 0xDD01, 0x1DC0, 0x1C80, 0xDC41,
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0x1400, 0xD4C1, 0xD581, 0x1540, 0xD701, 0x17C0, 0x1680, 0xD641,
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0xD201, 0x12C0, 0x1380, 0xD341, 0x1100, 0xD1C1, 0xD081, 0x1040,
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0xF001, 0x30C0, 0x3180, 0xF141, 0x3300, 0xF3C1, 0xF281, 0x3240,
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0x3600, 0xF6C1, 0xF781, 0x3740, 0xF501, 0x35C0, 0x3480, 0xF441,
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0x3C00, 0xFCC1, 0xFD81, 0x3D40, 0xFF01, 0x3FC0, 0x3E80, 0xFE41,
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0xFA01, 0x3AC0, 0x3B80, 0xFB41, 0x3900, 0xF9C1, 0xF881, 0x3840,
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0x2800, 0xE8C1, 0xE981, 0x2940, 0xEB01, 0x2BC0, 0x2A80, 0xEA41,
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0xEE01, 0x2EC0, 0x2F80, 0xEF41, 0x2D00, 0xEDC1, 0xEC81, 0x2C40,
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0xE401, 0x24C0, 0x2580, 0xE541, 0x2700, 0xE7C1, 0xE681, 0x2640,
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0x2200, 0xE2C1, 0xE381, 0x2340, 0xE101, 0x21C0, 0x2080, 0xE041,
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0xA001, 0x60C0, 0x6180, 0xA141, 0x6300, 0xA3C1, 0xA281, 0x6240,
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0x6600, 0xA6C1, 0xA781, 0x6740, 0xA501, 0x65C0, 0x6480, 0xA441,
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0x6C00, 0xACC1, 0xAD81, 0x6D40, 0xAF01, 0x6FC0, 0x6E80, 0xAE41,
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0xAA01, 0x6AC0, 0x6B80, 0xAB41, 0x6900, 0xA9C1, 0xA881, 0x6840,
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0x7800, 0xB8C1, 0xB981, 0x7940, 0xBB01, 0x7BC0, 0x7A80, 0xBA41,
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0xBE01, 0x7EC0, 0x7F80, 0xBF41, 0x7D00, 0xBDC1, 0xBC81, 0x7C40,
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0xB401, 0x74C0, 0x7580, 0xB541, 0x7700, 0xB7C1, 0xB681, 0x7640,
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0x7200, 0xB2C1, 0xB381, 0x7340, 0xB101, 0x71C0, 0x7080, 0xB041,
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0x5000, 0x90C1, 0x9181, 0x5140, 0x9301, 0x53C0, 0x5280, 0x9241,
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0x9601, 0x56C0, 0x5780, 0x9741, 0x5500, 0x95C1, 0x9481, 0x5440,
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0x9C01, 0x5CC0, 0x5D80, 0x9D41, 0x5F00, 0x9FC1, 0x9E81, 0x5E40,
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0x5A00, 0x9AC1, 0x9B81, 0x5B40, 0x9901, 0x59C0, 0x5880, 0x9841,
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0x8801, 0x48C0, 0x4980, 0x8941, 0x4B00, 0x8BC1, 0x8A81, 0x4A40,
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0x4E00, 0x8EC1, 0x8F81, 0x4F40, 0x8D01, 0x4DC0, 0x4C80, 0x8C41,
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0x4400, 0x84C1, 0x8581, 0x4540, 0x8701, 0x47C0, 0x4680, 0x8641,
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0x8201, 0x42C0, 0x4380, 0x8341, 0x4100, 0x81C1, 0x8081, 0x4040};
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