blob: 159c8c1a034011f4224879224f7980059c805e36
| 1 | #ifndef BLOB_E2PROM_H |
| 2 | #define BLOB_E2PROM_H |
| 3 | |
| 4 | #include "CBlobDevice.h" |
| 5 | |
| 6 | #define I2C_RETRIES 0x0701 /* number of times a device address |
| 7 | should be polled when not |
| 8 | acknowledging */ |
| 9 | #define I2C_TIMEOUT 0x0702 /* set timeout in units of 10 ms */ |
| 10 | |
| 11 | /* NOTE: Slave address is 7 or 10 bits, but 10-bit addresses |
| 12 | * are NOT supported! (due to code brokenness) |
| 13 | */ |
| 14 | #define I2C_SLAVE 0x0703 /* Use this slave address */ |
| 15 | #define I2C_SLAVE_FORCE 0x0706 /* Use this slave address, even if it |
| 16 | is already in use by a driver! */ |
| 17 | #define I2C_TENBIT 0x0704 /* 0 for 7 bit addrs, != 0 for 10 bit */ |
| 18 | #define I2C_FUNCS 0x0705 /* Get the adapter functionality mask */ |
| 19 | #define I2C_RDWR 0x0707 /* Combined R/W transfer (one STOP only) */ |
| 20 | #define I2C_PEC 0x0708 /* != 0 to use PEC with SMBus */ |
| 21 | #define I2C_SMBUS 0x0720 /* SMBus transfer */ |
| 22 | |
| 23 | struct i2c_msg { |
| 24 | unsigned short addr; /* slave address */ |
| 25 | unsigned short flags; |
| 26 | #define I2C_M_TEN 0x0010 /* this is a ten bit chip address */ |
| 27 | #define I2C_M_WR 0x0000 /* write data, from master to slave */ |
| 28 | #define I2C_M_RD 0x0001 /* read data, from slave to master */ |
| 29 | #define I2C_M_NOSTART 0x4000 /* if I2C_FUNC_PROTOCOL_MANGLING */ |
| 30 | #define I2C_M_REV_DIR_ADDR 0x2000 /* if I2C_FUNC_PROTOCOL_MANGLING */ |
| 31 | #define I2C_M_IGNORE_NAK 0x1000 /* if I2C_FUNC_PROTOCOL_MANGLING */ |
| 32 | #define I2C_M_NO_RD_ACK 0x0800 /* if I2C_FUNC_PROTOCOL_MANGLING */ |
| 33 | #define I2C_M_RECV_LEN 0x0400 /* length will be first received byte */ |
| 34 | |
| 35 | unsigned short len; /* msg length */ |
| 36 | unsigned char *buf; /* pointer to msg data */ |
| 37 | }; |
| 38 | |
| 39 | struct i2c_rdwr_ioctl_data { |
| 40 | struct i2c_msg *msgs; |
| 41 | unsigned int nmsgs; |
| 42 | }; |
| 43 | |
| 44 | // 24C64 eeprom |
| 45 | #define E2P_MSG_BUF_SIZE (34) |
| 46 | |
| 47 | class CBlobDeviceE2prom: public CBlobDevice { |
| 48 | |
| 49 | public: |
| 50 | CBlobDeviceE2prom(); |
| 51 | virtual ~CBlobDeviceE2prom(); |
| 52 | |
| 53 | virtual int WriteBytes(int offset, int size, unsigned char *buf); |
| 54 | virtual int ReadBytes(int offset, int size, unsigned char *buf); |
| 55 | virtual int EraseAllData(); |
| 56 | virtual int InitCheck(); |
| 57 | virtual int OpenDevice(); |
| 58 | virtual int CloseDevice(); |
| 59 | |
| 60 | private: |
| 61 | |
| 62 | private: |
| 63 | /*int E2P_DEV_TOTAL_SIZE; |
| 64 | int E2P_DEV_RW_START_OFFSET; |
| 65 | int E2P_DEV_RW_END_OFFSET; |
| 66 | int E2P_DEV_W_PAGE_SIZE; |
| 67 | int E2P_DEV_R_PAGE_SIZE; |
| 68 | int E2P_DEV_SLAVE_ADDR; |
| 69 | int E2P_DEV_RW_TEST_OFFSET; |
| 70 | int device_use_buffer; |
| 71 | unsigned char *device_buf; |
| 72 | char gFilePathBuf[CC_MAX_FILE_PATH];*/ |
| 73 | }; |
| 74 | |
| 75 | |
| 76 | #endif |
| 77 |