Commit f366cd2a authored by Vadim Pasternak's avatar Vadim Pasternak Committed by Jakub Kicinski
Browse files

mlxsw: reg: Add macro for getting QSFP module EEPROM page number 



Provide a macro for getting QSFP module EEPROM page number from the
optional upper page number row offset, specified in request.

Signed-off-by: default avatarVadim Pasternak <vadimp@mellanox.com>
Acked-by: default avatarJiri Pirko <jiri@mellanox.com>
Signed-off-by: default avatarIdo Schimmel <idosch@mellanox.com>
Signed-off-by: default avatarJakub Kicinski <jakub.kicinski@netronome.com>
parent 2ac061ce

drivers/net/ethernet/mellanox/mlxsw/reg.h

+9 −0
Original line number Diff line number Diff line
@@ -8412,6 +8412,7 @@ MLXSW_ITEM32(reg, mcia, device_address, 0x04, 0, 16); 
MLXSW_ITEM32(reg, mcia, size, 0x08, 0, 16);



#define MLXSW_REG_MCIA_EEPROM_PAGE_LENGTH	256

#define MLXSW_REG_MCIA_EEPROM_UP_PAGE_LENGTH	128

#define MLXSW_REG_MCIA_EEPROM_SIZE		48

#define MLXSW_REG_MCIA_I2C_ADDR_LOW		0x50

#define MLXSW_REG_MCIA_I2C_ADDR_HIGH		0x51
@@ -8447,6 +8448,14 @@ enum mlxsw_reg_mcia_eeprom_module_info { 
 */

MLXSW_ITEM_BUF(reg, mcia, eeprom, 0x10, MLXSW_REG_MCIA_EEPROM_SIZE);



/* This is used to access the optional upper pages (1-3) in the QSFP+

 * memory map. Page 1 is available on offset 256 through 383, page 2 -

 * on offset 384 through 511, page 3 - on offset 512 through 639.

 */

#define MLXSW_REG_MCIA_PAGE_GET(off) (((off) - \

				MLXSW_REG_MCIA_EEPROM_PAGE_LENGTH) / \

				MLXSW_REG_MCIA_EEPROM_UP_PAGE_LENGTH + 1)



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)

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