diff options
| author | Miri Korenblit <miriam.rachel.korenblit@intel.com> | 2024-02-01 16:17:32 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2024-02-02 14:37:27 +0100 |
| commit | 20935f3e646e687f32f044d9d75a4a8637c086db (patch) | |
| tree | 1c858527e7315b8530b1bf245cd750b5bce2f802 /drivers/net/wireless/intel/iwlwifi/fw/uefi.h | |
| parent | 669761e897a4fc87ae0e4625590f2a396a87a3d1 (diff) | |
wifi: iwlwifi: read ECKV table from UEFI
Try to read the ECKV table from UEFI first,
and if the WIFI UEFI tables are unlocked or the
table doesn't exist - try to read it from ACPI.
Change iwl_acpi_get_eckv() to receive fwrt as argument so
it will be the same as all iwl_acpi_get_x() functions,
so it could be generated by the macro.
While at it - move the reading of ECKV to INIT stage. There is no
reason to read it each time we load the FW.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://msgid.link/20240201155157.d4937cc00727.I36e5fc7f7850229b9b377c80b5203aa47137c97c@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 | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/uefi.h b/drivers/net/wireless/intel/iwlwifi/fw/uefi.h index 62bbd5c992b9..723933b0b2f1 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/uefi.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/uefi.h @@ -19,6 +19,7 @@ #define IWL_UEFI_WTAS_NAME L"UefiCnvWlanWTAS" #define IWL_UEFI_SPLC_NAME L"UefiCnvWlanSPLC" #define IWL_UEFI_WRDD_NAME L"UefiCnvWlanWRDD" +#define IWL_UEFI_ECKV_NAME L"UefiCnvWlanECKV" #define IWL_SGOM_MAP_SIZE 339 @@ -32,6 +33,7 @@ #define IWL_UEFI_WTAS_REVISION 1 #define IWL_UEFI_SPLC_REVISION 0 #define IWL_UEFI_WRDD_REVISION 0 +#define IWL_UEFI_ECKV_REVISION 0 struct pnvm_sku_package { u8 rev; @@ -155,6 +157,15 @@ struct uefi_cnv_var_wrdd { u32 mcc; } __packed; +/* struct uefi_cnv_var_eckv - ECKV table as defined in UEFI + * @revision: the revision of the table + * @ext_clock_valid: indicates if external 32KHz clock is valid + */ +struct uefi_cnv_var_eckv { + u8 revision; + u32 ext_clock_valid; +} __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 @@ -178,6 +189,7 @@ int iwl_uefi_get_tas_table(struct iwl_fw_runtime *fwrt, int iwl_uefi_get_pwr_limit(struct iwl_fw_runtime *fwrt, u64 *dflt_pwr_limit); int iwl_uefi_get_mcc(struct iwl_fw_runtime *fwrt, char *mcc); +int iwl_uefi_get_eckv(struct iwl_fw_runtime *fwrt, u32 *extl_clk); #else /* CONFIG_EFI */ static inline void *iwl_uefi_get_pnvm(struct iwl_trans *trans, size_t *len) { @@ -246,6 +258,11 @@ static inline int iwl_uefi_get_mcc(struct iwl_fw_runtime *fwrt, char *mcc) { return -ENOENT; } + +static inline int iwl_uefi_get_eckv(struct iwl_fw_runtime *fwrt, u32 *extl_clk) +{ + return -ENOENT; +} #endif /* CONFIG_EFI */ #if defined(CONFIG_EFI) && defined(CONFIG_ACPI) |