1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
2 /*
3 * Copyright(c) 2021-2023 Intel Corporation
4 */
5 #ifndef __iwl_fw_uefi__
6 #define __iwl_fw_uefi__
7
8 #define IWL_UEFI_OEM_PNVM_NAME L"UefiCnvWlanOemSignedPnvm"
9 #define IWL_UEFI_REDUCED_POWER_NAME L"UefiCnvWlanReducedPower"
10 #define IWL_UEFI_SGOM_NAME L"UefiCnvWlanSarGeoOffsetMapping"
11 #define IWL_UEFI_STEP_NAME L"UefiCnvCommonSTEP"
12 #define IWL_UEFI_UATS_NAME L"CnvUefiWlanUATS"
13
14 #define IWL_SGOM_MAP_SIZE 339
15 #define IWL_UATS_MAP_SIZE 339
16
17 struct pnvm_sku_package {
18 u8 rev;
19 u32 total_size;
20 u8 n_skus;
21 u32 reserved[2];
22 u8 data[];
23 } __packed;
24
25 struct uefi_cnv_wlan_sgom_data {
26 u8 revision;
27 u8 offset_map[IWL_SGOM_MAP_SIZE - 1];
28 } __packed;
29
30 struct uefi_cnv_wlan_uats_data {
31 u8 revision;
32 u8 offset_map[IWL_UATS_MAP_SIZE - 1];
33 } __packed;
34
35 struct uefi_cnv_common_step_data {
36 u8 revision;
37 u8 step_mode;
38 u8 cnvi_eq_channel;
39 u8 cnvr_eq_channel;
40 u8 radio1;
41 u8 radio2;
42 } __packed;
43
44 /*
45 * This is known to be broken on v4.19 and to work on v5.4. Until we
46 * figure out why this is the case and how to make it work, simply
47 * disable the feature in old kernels.
48 */
49 #ifdef CONFIG_EFI
50 void *iwl_uefi_get_pnvm(struct iwl_trans *trans, size_t *len);
51 u8 *iwl_uefi_get_reduced_power(struct iwl_trans *trans, size_t *len);
52 int iwl_uefi_reduce_power_parse(struct iwl_trans *trans,
53 const u8 *data, size_t len,
54 struct iwl_pnvm_image *pnvm_data);
55 void iwl_uefi_get_step_table(struct iwl_trans *trans);
56 int iwl_uefi_handle_tlv_mem_desc(struct iwl_trans *trans, const u8 *data,
57 u32 tlv_len, struct iwl_pnvm_image *pnvm_data);
58 #else /* CONFIG_EFI */
iwl_uefi_get_pnvm(struct iwl_trans * trans,size_t * len)59 static inline void *iwl_uefi_get_pnvm(struct iwl_trans *trans, size_t *len)
60 {
61 return ERR_PTR(-EOPNOTSUPP);
62 }
63
64 static inline int
iwl_uefi_reduce_power_parse(struct iwl_trans * trans,const u8 * data,size_t len,struct iwl_pnvm_image * pnvm_data)65 iwl_uefi_reduce_power_parse(struct iwl_trans *trans,
66 const u8 *data, size_t len,
67 struct iwl_pnvm_image *pnvm_data)
68 {
69 return -EOPNOTSUPP;
70 }
71
72 static inline u8 *
iwl_uefi_get_reduced_power(struct iwl_trans * trans,size_t * len)73 iwl_uefi_get_reduced_power(struct iwl_trans *trans, size_t *len)
74 {
75 return ERR_PTR(-EOPNOTSUPP);
76 }
77
iwl_uefi_get_step_table(struct iwl_trans * trans)78 static inline void iwl_uefi_get_step_table(struct iwl_trans *trans)
79 {
80 }
81
82 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)83 iwl_uefi_handle_tlv_mem_desc(struct iwl_trans *trans, const u8 *data,
84 u32 tlv_len, struct iwl_pnvm_image *pnvm_data)
85 {
86 return 0;
87 }
88 #endif /* CONFIG_EFI */
89
90 #if defined(CONFIG_EFI) && defined(CONFIG_ACPI)
91 void iwl_uefi_get_sgom_table(struct iwl_trans *trans, struct iwl_fw_runtime *fwrt);
92 int iwl_uefi_get_uats_table(struct iwl_trans *trans,
93 struct iwl_fw_runtime *fwrt);
94 #else
95 static inline
iwl_uefi_get_sgom_table(struct iwl_trans * trans,struct iwl_fw_runtime * fwrt)96 void iwl_uefi_get_sgom_table(struct iwl_trans *trans, struct iwl_fw_runtime *fwrt)
97 {
98 }
99
100 static inline
iwl_uefi_get_uats_table(struct iwl_trans * trans,struct iwl_fw_runtime * fwrt)101 int iwl_uefi_get_uats_table(struct iwl_trans *trans,
102 struct iwl_fw_runtime *fwrt)
103 {
104 return 0;
105 }
106
107 #endif
108 #endif /* __iwl_fw_uefi__ */
109