diff options
Diffstat (limited to 'drivers/staging/et131x/et1310_eeprom.h')
| -rw-r--r-- | drivers/staging/et131x/et1310_eeprom.h | 42 |
1 files changed, 34 insertions, 8 deletions
diff --git a/drivers/staging/et131x/et1310_eeprom.h b/drivers/staging/et131x/et1310_eeprom.h index d8ac9a0439e2..6a6c6a632a8f 100644 --- a/drivers/staging/et131x/et1310_eeprom.h +++ b/drivers/staging/et131x/et1310_eeprom.h @@ -61,17 +61,43 @@ #include "et1310_address_map.h" -#ifndef SUCCESS -#define SUCCESS 0 -#define FAILURE 1 -#endif +/* + * EEPROM Defines + */ + +/* LBCIF Register Groups (addressed via 32-bit offsets) */ +#define LBCIF_DWORD0_GROUP 0xAC +#define LBCIF_DWORD1_GROUP 0xB0 + +/* LBCIF Registers (addressed via 8-bit offsets) */ +#define LBCIF_ADDRESS_REGISTER 0xAC +#define LBCIF_DATA_REGISTER 0xB0 +#define LBCIF_CONTROL_REGISTER 0xB1 +#define LBCIF_STATUS_REGISTER 0xB2 + +/* LBCIF Control Register Bits */ +#define LBCIF_CONTROL_SEQUENTIAL_READ 0x01 +#define LBCIF_CONTROL_PAGE_WRITE 0x02 +#define LBCIF_CONTROL_EEPROM_RELOAD 0x08 +#define LBCIF_CONTROL_TWO_BYTE_ADDR 0x20 +#define LBCIF_CONTROL_I2C_WRITE 0x40 +#define LBCIF_CONTROL_LBCIF_ENABLE 0x80 + +/* LBCIF Status Register Bits */ +#define LBCIF_STATUS_PHY_QUEUE_AVAIL 0x01 +#define LBCIF_STATUS_I2C_IDLE 0x02 +#define LBCIF_STATUS_ACK_ERROR 0x04 +#define LBCIF_STATUS_GENERAL_ERROR 0x08 +#define LBCIF_STATUS_CHECKSUM_ERROR 0x40 +#define LBCIF_STATUS_EEPROM_PRESENT 0x80 + +/* Miscellaneous Constraints */ +#define MAX_NUM_REGISTER_POLLS 1000 +#define MAX_NUM_WRITE_RETRIES 2 /* Forward declaration of the private adapter structure */ struct et131x_adapter; -int32_t EepromWriteByte(struct et131x_adapter *adapter, u32 unAddress, - u8 bData); -int32_t EepromReadByte(struct et131x_adapter *adapter, u32 unAddress, - u8 *pbData); +int et131x_init_eeprom(struct et131x_adapter *etdev); #endif /* _ET1310_EEPROM_H_ */ |