diff options
| author |   Ido Schimmel <idosch@nvidia.com> | 2021-10-06 13:46:44 +0300 |
|---|---|---|
| committer |   Jakub Kicinski <kuba@kernel.org> | 2021-10-06 17:47:49 -0700 |
| commit | fc53f5fb8037d3d29a90c3779d961982ce99e380 (patch) | |
| tree | 5389dee8eeb986d6a1829285d1525431f62334db /drivers/net/ethernet/mellanox/mlxsw/reg.h | |
| parent | mlxsw: reg: Add Port Module Memory Map Properties register (diff) | |
| download | linux-dev-fc53f5fb8037d3d29a90c3779d961982ce99e380.tar.xz linux-dev-fc53f5fb8037d3d29a90c3779d961982ce99e380.zip | |
mlxsw: reg: Add Management Cable IO and Notifications register
Add the Management Cable IO and Notifications register. It will be used
to retrieve the power mode status of a module in subsequent patches and
whether a module is present in a cage or not.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/reg.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h index bff05a0a2f7a..ed6c3356e4eb 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/reg.h +++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h @@ -10402,6 +10402,39 @@ static inline void mlxsw_reg_mlcr_pack(char *payload, u8 local_port, MLXSW_REG_MLCR_DURATION_MAX : 0); } +/* MCION - Management Cable IO and Notifications Register + * ------------------------------------------------------ + * The MCION register is used to query transceiver modules' IO pins and other + * notifications. + */ +#define MLXSW_REG_MCION_ID 0x9052 +#define MLXSW_REG_MCION_LEN 0x18 + +MLXSW_REG_DEFINE(mcion, MLXSW_REG_MCION_ID, MLXSW_REG_MCION_LEN); + +/* reg_mcion_module + * Module number. + * Access: Index + */ +MLXSW_ITEM32(reg, mcion, module, 0x00, 16, 8); + +enum { + MLXSW_REG_MCION_MODULE_STATUS_BITS_PRESENT_MASK = BIT(0), + MLXSW_REG_MCION_MODULE_STATUS_BITS_LOW_POWER_MASK = BIT(8), +}; + +/* reg_mcion_module_status_bits + * Module IO status as defined by SFF. + * Access: RO + */ +MLXSW_ITEM32(reg, mcion, module_status_bits, 0x04, 0, 16); + +static inline void mlxsw_reg_mcion_pack(char *payload, u8 module) +{ + MLXSW_REG_ZERO(mcion, payload); + mlxsw_reg_mcion_module_set(payload, module); +} + /* MTPPS - Management Pulse Per Second Register * -------------------------------------------- * This register provides the device PPS capabilities, configure the PPS in and @@ -12446,6 +12479,7 @@ static const struct mlxsw_reg_info *mlxsw_reg_infos[] = { MLXSW_REG(mgir), MLXSW_REG(mrsr), MLXSW_REG(mlcr), + MLXSW_REG(mcion), MLXSW_REG(mtpps), MLXSW_REG(mtutc), MLXSW_REG(mpsc), |