diff options
Diffstat (limited to 'drivers/staging/et131x/et1310_eeprom.h')
| -rw-r--r-- | drivers/staging/et131x/et1310_eeprom.h | 38 |
1 files changed, 36 insertions, 2 deletions
diff --git a/drivers/staging/et131x/et1310_eeprom.h b/drivers/staging/et131x/et1310_eeprom.h index b329623ace9f..eaa5c1f20d8f 100644 --- a/drivers/staging/et131x/et1310_eeprom.h +++ b/drivers/staging/et131x/et1310_eeprom.h @@ -61,12 +61,46 @@ #include "et1310_address_map.h" +/* + * 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; -int EepromWriteByte(struct et131x_adapter *adapter, u32 unAddress, +int eeprom_write(struct et131x_adapter *adapter, u32 unAddress, u8 bData); -int EepromReadByte(struct et131x_adapter *adapter, u32 unAddress, +int eeprom_read(struct et131x_adapter *adapter, u32 unAddress, u8 *pbData); #endif /* _ET1310_EEPROM_H_ */ |