2023-08-30 17:31:07 +02:00
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/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
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/*
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2023-10-24 12:59:35 +02:00
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* Copyright(c) 2021-2023 Intel Corporation
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2023-08-30 17:31:07 +02:00
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*/
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#ifndef __iwl_fw_uefi__
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#define __iwl_fw_uefi__
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#define IWL_UEFI_OEM_PNVM_NAME L"UefiCnvWlanOemSignedPnvm"
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#define IWL_UEFI_REDUCED_POWER_NAME L"UefiCnvWlanReducedPower"
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#define IWL_UEFI_SGOM_NAME L"UefiCnvWlanSarGeoOffsetMapping"
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#define IWL_UEFI_STEP_NAME L"UefiCnvCommonSTEP"
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#define IWL_SGOM_MAP_SIZE 339
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struct pnvm_sku_package {
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u8 rev;
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u32 total_size;
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u8 n_skus;
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u32 reserved[2];
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u8 data[];
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} __packed;
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struct uefi_cnv_wlan_sgom_data {
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u8 revision;
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u8 offset_map[IWL_SGOM_MAP_SIZE - 1];
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} __packed;
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struct uefi_cnv_common_step_data {
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u8 revision;
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u8 step_mode;
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u8 cnvi_eq_channel;
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u8 cnvr_eq_channel;
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u8 radio1;
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u8 radio2;
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} __packed;
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/*
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* This is known to be broken on v4.19 and to work on v5.4. Until we
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* figure out why this is the case and how to make it work, simply
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* disable the feature in old kernels.
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*/
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#ifdef CONFIG_EFI
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void *iwl_uefi_get_pnvm(struct iwl_trans *trans, size_t *len);
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u8 *iwl_uefi_get_reduced_power(struct iwl_trans *trans, size_t *len);
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int iwl_uefi_reduce_power_parse(struct iwl_trans *trans,
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const u8 *data, size_t len,
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struct iwl_pnvm_image *pnvm_data);
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void iwl_uefi_get_step_table(struct iwl_trans *trans);
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int iwl_uefi_handle_tlv_mem_desc(struct iwl_trans *trans, const u8 *data,
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u32 tlv_len, struct iwl_pnvm_image *pnvm_data);
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#else /* CONFIG_EFI */
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static inline void *iwl_uefi_get_pnvm(struct iwl_trans *trans, size_t *len)
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{
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return ERR_PTR(-EOPNOTSUPP);
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}
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2023-10-24 12:59:35 +02:00
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static inline int
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iwl_uefi_reduce_power_parse(struct iwl_trans *trans,
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const u8 *data, size_t len,
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struct iwl_pnvm_image *pnvm_data)
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{
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return -EOPNOTSUPP;
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}
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static inline u8 *
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iwl_uefi_get_reduced_power(struct iwl_trans *trans, size_t *len)
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{
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return ERR_PTR(-EOPNOTSUPP);
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}
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2023-10-24 12:59:35 +02:00
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static inline void iwl_uefi_get_step_table(struct iwl_trans *trans)
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{
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}
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static inline int
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iwl_uefi_handle_tlv_mem_desc(struct iwl_trans *trans, const u8 *data,
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u32 tlv_len, struct iwl_pnvm_image *pnvm_data)
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{
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return 0;
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}
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#endif /* CONFIG_EFI */
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#if defined(CONFIG_EFI) && defined(CONFIG_ACPI)
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void iwl_uefi_get_sgom_table(struct iwl_trans *trans, struct iwl_fw_runtime *fwrt);
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#else
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static inline
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void iwl_uefi_get_sgom_table(struct iwl_trans *trans, struct iwl_fw_runtime *fwrt)
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{
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}
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#endif
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#endif /* __iwl_fw_uefi__ */
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