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mlxsw: reg: Add MCIA register for cable info access 

The MCIA register is used to access the SFP+ and QSFP connector's
EPROM. It will be used to query the cable info.

Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arkadi Sharshevsky 2017-06-14 09:27:39 +02:00 committed by David S. Miller
parent 4071bd88cc
commit 7ca36994a3
1 changed files with 76 additions and 0 deletions
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76
drivers/net/ethernet/mellanox/mlxsw/reg.h
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@ -5491,6 +5491,81 @@ static inline void mlxsw_reg_mtmp_unpack(char *payload, unsigned int *p_temp,
mlxsw_reg_mtmp_sensor_name_memcpy_from(payload, sensor_name);
}
/* MCIA - Management Cable Info Access
* -----------------------------------
* MCIA register is used to access the SFP+ and QSFP connector's EPROM.
*/
#define MLXSW_REG_MCIA_ID 0x9014
#define MLXSW_REG_MCIA_LEN 0x40
MLXSW_REG_DEFINE(mcia, MLXSW_REG_MCIA_ID, MLXSW_REG_MCIA_LEN);
/* reg_mcia_l
* Lock bit. Setting this bit will lock the access to the specific
* cable. Used for updating a full page in a cable EPROM. Any access
* other then subsequence writes will fail while the port is locked.
* Access: RW
*/
MLXSW_ITEM32(reg, mcia, l, 0x00, 31, 1);
/* reg_mcia_module
* Module number.
* Access: Index
*/
MLXSW_ITEM32(reg, mcia, module, 0x00, 16, 8);
/* reg_mcia_status
* Module status.
* Access: RO
*/
MLXSW_ITEM32(reg, mcia, status, 0x00, 0, 8);
/* reg_mcia_i2c_device_address
* I2C device address.
* Access: RW
*/
MLXSW_ITEM32(reg, mcia, i2c_device_address, 0x04, 24, 8);
/* reg_mcia_page_number
* Page number.
* Access: RW
*/
MLXSW_ITEM32(reg, mcia, page_number, 0x04, 16, 8);
/* reg_mcia_device_address
* Device address.
* Access: RW
*/
MLXSW_ITEM32(reg, mcia, device_address, 0x04, 0, 16);
/* reg_mcia_size
* Number of bytes to read/write (up to 48 bytes).
* Access: RW
*/
MLXSW_ITEM32(reg, mcia, size, 0x08, 0, 16);
#define MLXSW_SP_REG_MCIA_EEPROM_SIZE 48
/* reg_mcia_eeprom
* Bytes to read/write.
* Access: RW
*/
MLXSW_ITEM_BUF(reg, mcia, eeprom, 0x10, MLXSW_SP_REG_MCIA_EEPROM_SIZE);
static inline void mlxsw_reg_mcia_pack(char *payload, u8 module, u8 lock,
u8 page_number, u16 device_addr,
u8 size, u8 i2c_device_addr)
{
MLXSW_REG_ZERO(mcia, payload);
mlxsw_reg_mcia_module_set(payload, module);
mlxsw_reg_mcia_l_set(payload, lock);
mlxsw_reg_mcia_page_number_set(payload, page_number);
mlxsw_reg_mcia_device_address_set(payload, device_addr);
mlxsw_reg_mcia_size_set(payload, size);
mlxsw_reg_mcia_i2c_device_address_set(payload, i2c_device_addr);
}
/* MPAT - Monitoring Port Analyzer Table
* -------------------------------------
* MPAT Register is used to query and configure the Switch PortAnalyzer Table.
@ -6433,6 +6508,7 @@ static const struct mlxsw_reg_info *mlxsw_reg_infos[] = {
MLXSW_REG(mfsl),
MLXSW_REG(mtcap),
MLXSW_REG(mtmp),
MLXSW_REG(mcia),
MLXSW_REG(mpat),
MLXSW_REG(mpar),
MLXSW_REG(mlcr),