diff options
| author | Miri Korenblit <miriam.rachel.korenblit@intel.com> | 2024-02-01 16:17:26 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2024-02-02 14:37:26 +0100 |
| commit | 18f523654d4943c87da3ec512dad74828be764e4 (patch) | |
| tree | 022cba6105490c42df83ed240b4c612850607ac7 /drivers/net/wireless/intel/iwlwifi/fw/uefi.h | |
| parent | a51d1cf5ad64a17230cf90e1770d363c5cbc0d5c (diff) | |
wifi: iwlwifi: read SPLC from UEFI
Try to read the SPLC table from UEFI first,
and if the WIFI UEFI tables are unlocked or the
table doesn't exist - try to read it from ACPI
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://msgid.link/20240201155157.3d9d835b6edb.I7ea262df9431ced787b77c87149c6d7bddb7e7d6@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/fw/uefi.h')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/fw/uefi.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/uefi.h b/drivers/net/wireless/intel/iwlwifi/fw/uefi.h index f849a485d0a9..4cf3af576920 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/uefi.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/uefi.h @@ -17,6 +17,8 @@ #define IWL_UEFI_WGDS_NAME L"UefiCnvWlanWGDS" #define IWL_UEFI_PPAG_NAME L"UefiCnvWlanPPAG" #define IWL_UEFI_WTAS_NAME L"UefiCnvWlanWTAS" +#define IWL_UEFI_SPLC_NAME L"UefiCnvWlanSPLC" + #define IWL_SGOM_MAP_SIZE 339 #define IWL_UATS_MAP_SIZE 339 @@ -27,6 +29,7 @@ #define IWL_UEFI_MIN_PPAG_REV 1 #define IWL_UEFI_MAX_PPAG_REV 3 #define IWL_UEFI_WTAS_REVISION 1 +#define IWL_UEFI_SPLC_REVISION 0 struct pnvm_sku_package { u8 rev; @@ -130,6 +133,15 @@ struct uefi_cnv_var_wtas { u16 black_list[IWL_WTAS_BLACK_LIST_MAX]; } __packed; +/* struct uefi_cnv_var_splc - SPLC tabled as defined in UEFI + * @revision: the revision of the table + * @default_pwr_limit: The default maximum power per device + */ +struct uefi_cnv_var_splc { + u8 revision; + u32 default_pwr_limit; +} __packed; + /* * This is known to be broken on v4.19 and to work on v5.4. Until we * figure out why this is the case and how to make it work, simply @@ -150,6 +162,8 @@ int iwl_uefi_get_wgds_table(struct iwl_fw_runtime *fwrt); int iwl_uefi_get_ppag_table(struct iwl_fw_runtime *fwrt); int iwl_uefi_get_tas_table(struct iwl_fw_runtime *fwrt, struct iwl_tas_data *data); +int iwl_uefi_get_pwr_limit(struct iwl_fw_runtime *fwrt, + u64 *dflt_pwr_limit); #else /* CONFIG_EFI */ static inline void *iwl_uefi_get_pnvm(struct iwl_trans *trans, size_t *len) { @@ -206,6 +220,13 @@ static inline int iwl_uefi_get_tas_table(struct iwl_fw_runtime *fwrt, { return -ENOENT; } + +static inline int iwl_uefi_get_pwr_limit(struct iwl_fw_runtime *fwrt, + u64 *dflt_pwr_limit) +{ + *dflt_pwr_limit = 0; + return 0; +} #endif /* CONFIG_EFI */ #if defined(CONFIG_EFI) && defined(CONFIG_ACPI) |