diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/fw/uefi.h')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/fw/uefi.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/uefi.h b/drivers/net/wireless/intel/iwlwifi/fw/uefi.h new file mode 100644 index 000000000..1369cc485 --- /dev/null +++ b/drivers/net/wireless/intel/iwlwifi/fw/uefi.h @@ -0,0 +1,91 @@ +/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ +/* + * Copyright(c) 2021-2023 Intel Corporation + */ +#ifndef __iwl_fw_uefi__ +#define __iwl_fw_uefi__ + +#define IWL_UEFI_OEM_PNVM_NAME L"UefiCnvWlanOemSignedPnvm" +#define IWL_UEFI_REDUCED_POWER_NAME L"UefiCnvWlanReducedPower" +#define IWL_UEFI_SGOM_NAME L"UefiCnvWlanSarGeoOffsetMapping" +#define IWL_UEFI_STEP_NAME L"UefiCnvCommonSTEP" + +#define IWL_SGOM_MAP_SIZE 339 + +struct pnvm_sku_package { + u8 rev; + u32 total_size; + u8 n_skus; + u32 reserved[2]; + u8 data[]; +} __packed; + +struct uefi_cnv_wlan_sgom_data { + u8 revision; + u8 offset_map[IWL_SGOM_MAP_SIZE - 1]; +} __packed; + +struct uefi_cnv_common_step_data { + u8 revision; + u8 step_mode; + u8 cnvi_eq_channel; + u8 cnvr_eq_channel; + u8 radio1; + u8 radio2; +} __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 + * disable the feature in old kernels. + */ +#ifdef CONFIG_EFI +void *iwl_uefi_get_pnvm(struct iwl_trans *trans, size_t *len); +u8 *iwl_uefi_get_reduced_power(struct iwl_trans *trans, size_t *len); +int iwl_uefi_reduce_power_parse(struct iwl_trans *trans, + const u8 *data, size_t len, + struct iwl_pnvm_image *pnvm_data); +void iwl_uefi_get_step_table(struct iwl_trans *trans); +int iwl_uefi_handle_tlv_mem_desc(struct iwl_trans *trans, const u8 *data, + u32 tlv_len, struct iwl_pnvm_image *pnvm_data); +#else /* CONFIG_EFI */ +static inline void *iwl_uefi_get_pnvm(struct iwl_trans *trans, size_t *len) +{ + return ERR_PTR(-EOPNOTSUPP); +} + +static inline int +iwl_uefi_reduce_power_parse(struct iwl_trans *trans, + const u8 *data, size_t len, + struct iwl_pnvm_image *pnvm_data) +{ + return -EOPNOTSUPP; +} + +static inline u8 * +iwl_uefi_get_reduced_power(struct iwl_trans *trans, size_t *len) +{ + return ERR_PTR(-EOPNOTSUPP); +} + +static inline void iwl_uefi_get_step_table(struct iwl_trans *trans) +{ +} + +static inline int +iwl_uefi_handle_tlv_mem_desc(struct iwl_trans *trans, const u8 *data, + u32 tlv_len, struct iwl_pnvm_image *pnvm_data) +{ + return 0; +} +#endif /* CONFIG_EFI */ + +#if defined(CONFIG_EFI) && defined(CONFIG_ACPI) +void iwl_uefi_get_sgom_table(struct iwl_trans *trans, struct iwl_fw_runtime *fwrt); +#else +static inline +void iwl_uefi_get_sgom_table(struct iwl_trans *trans, struct iwl_fw_runtime *fwrt) +{ +} +#endif +#endif /* __iwl_fw_uefi__ */ |