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/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
/*
* Copyright(c) 2021-2023 Intel Corporation
*/
#ifndef __iwl_fw_uefi__
#define __iwl_fw_uefi__
#include "fw/regulatory.h"
#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_UEFI_UATS_NAME L"CnvUefiWlanUATS"
#define IWL_UEFI_WRDS_NAME L"UefiCnvWlanWRDS"
#define IWL_UEFI_EWRD_NAME L"UefiCnvWlanEWRD"
#define IWL_UEFI_WGDS_NAME L"UefiCnvWlanWGDS"
#define IWL_UEFI_PPAG_NAME L"UefiCnvWlanPPAG"
#define IWL_SGOM_MAP_SIZE 339
#define IWL_UATS_MAP_SIZE 339
#define IWL_UEFI_WRDS_REVISION 2
#define IWL_UEFI_EWRD_REVISION 2
#define IWL_UEFI_WGDS_REVISION 3
#define IWL_UEFI_MIN_PPAG_REV 1
#define IWL_UEFI_MAX_PPAG_REV 3
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_wlan_uats_data {
u8 revision;
u8 offset_map[IWL_UATS_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;
/*
* struct uefi_sar_profile - a SAR profile as defined in UEFI
*
* @chains: a per-chain table of SAR values
*/
struct uefi_sar_profile {
struct iwl_sar_profile_chain chains[BIOS_SAR_MAX_CHAINS_PER_PROFILE];
} __packed;
/*
* struct uefi_cnv_var_wrds - WRDS table as defined in UEFI
*
* @revision: the revision of the table
* @mode: is WRDS enbaled/disabled
* @sar_profile: sar profile #1
*/
struct uefi_cnv_var_wrds {
u8 revision;
u32 mode;
struct uefi_sar_profile sar_profile;
} __packed;
/*
* struct uefi_cnv_var_ewrd - EWRD table as defined in UEFI
* @revision: the revision of the table
* @mode: is WRDS enbaled/disabled
* @num_profiles: how many additional profiles we have in this table (0-3)
* @sar_profiles: the additional SAR profiles (#2-#4)
*/
struct uefi_cnv_var_ewrd {
u8 revision;
u32 mode;
u32 num_profiles;
struct uefi_sar_profile sar_profiles[BIOS_SAR_MAX_PROFILE_NUM - 1];
} __packed;
/*
* struct uefi_cnv_var_wgds - WGDS table as defined in UEFI
* @revision: the revision of the table
* @num_profiles: the number of geo profiles we have in the table.
* The first 3 are mandatory, and can have up to 8.
* @geo_profiles: a per-profile table of the offsets to add to SAR values.
*/
struct uefi_cnv_var_wgds {
u8 revision;
u8 num_profiles;
struct iwl_geo_profile geo_profiles[BIOS_GEO_MAX_PROFILE_NUM];
} __packed;
/*
* struct uefi_cnv_var_ppag - PPAG table as defined in UEFI
* @revision: the revision of the table
* @ppag_modes: bit 0 - PPAG is enabled/disabled in ETSI,
* bit 1 - PPAG is enabled/disabled in China
* @ppag_chains: the PPAG values per chain and band
*/
struct uefi_cnv_var_ppag {
u8 revision;
u32 ppag_modes;
struct iwl_ppag_chain ppag_chains[IWL_NUM_CHAIN_LIMITS];
} __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);
int iwl_uefi_get_wrds_table(struct iwl_fw_runtime *fwrt);
int iwl_uefi_get_ewrd_table(struct iwl_fw_runtime *fwrt);
int iwl_uefi_get_wgds_table(struct iwl_fw_runtime *fwrt);
int iwl_uefi_get_ppag_table(struct iwl_fw_runtime *fwrt);
#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;
}
static inline int iwl_uefi_get_wrds_table(struct iwl_fw_runtime *fwrt)
{
return -ENOENT;
}
static inline int iwl_uefi_get_ewrd_table(struct iwl_fw_runtime *fwrt)
{
return -ENOENT;
}
static inline int iwl_uefi_get_wgds_table(struct iwl_fw_runtime *fwrt)
{
return -ENOENT;
}
static inline int iwl_uefi_get_ppag_table(struct iwl_fw_runtime *fwrt)
{
return -ENOENT;
}
#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);
int iwl_uefi_get_uats_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)
{
}
static inline
int iwl_uefi_get_uats_table(struct iwl_trans *trans,
struct iwl_fw_runtime *fwrt)
{
return 0;
}
#endif
#endif /* __iwl_fw_uefi__ */
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