drivers/net/wireless/intel/iwlwifi/fw/acpi.h

   1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
   2 /*
   3  * Copyright (C) 2017 Intel Deutschland GmbH
   4  * Copyright (C) 2018-2023 Intel Corporation
   5  */
   6 #ifndef __iwl_fw_acpi__
   7 #define __iwl_fw_acpi__
   8
   9 #include <linux/acpi.h>
  10 #include "fw/regulatory.h"
  11 #include "fw/api/commands.h"
  12 #include "fw/api/power.h"
  13 #include "fw/api/phy.h"
  14 #include "fw/api/nvm-reg.h"
  15 #include "fw/api/config.h"
  16 #include "fw/img.h"
  17 #include "iwl-trans.h"
  18
  19
  20 #define ACPI_WRDS_METHOD        "WRDS"
  21 #define ACPI_EWRD_METHOD        "EWRD"
  22 #define ACPI_WGDS_METHOD        "WGDS"
  23 #define ACPI_WRDD_METHOD        "WRDD"
  24 #define ACPI_SPLC_METHOD        "SPLC"
  25 #define ACPI_ECKV_METHOD        "ECKV"
  26 #define ACPI_PPAG_METHOD        "PPAG"
  27 #define ACPI_WTAS_METHOD        "WTAS"
  28 #define ACPI_WPFC_METHOD        "WPFC"
  29 #define ACPI_GLAI_METHOD        "GLAI"
  30
  31 #define ACPI_WIFI_DOMAIN        (0x07)
  32
  33 #define ACPI_SAR_PROFILE_NUM            4
  34
  35 #define ACPI_NUM_GEO_PROFILES           3
  36 #define ACPI_NUM_GEO_PROFILES_REV3      8
  37 #define ACPI_GEO_PER_CHAIN_SIZE         3
  38
  39 #define ACPI_SAR_NUM_CHAINS_REV0        2
  40 #define ACPI_SAR_NUM_CHAINS_REV1        2
  41 #define ACPI_SAR_NUM_CHAINS_REV2        4
  42 #define ACPI_SAR_NUM_SUB_BANDS_REV0     5
  43 #define ACPI_SAR_NUM_SUB_BANDS_REV1     11
  44 #define ACPI_SAR_NUM_SUB_BANDS_REV2     11
  45
  46 #define ACPI_WRDS_WIFI_DATA_SIZE_REV0   (ACPI_SAR_NUM_CHAINS_REV0 * \
  47                                          ACPI_SAR_NUM_SUB_BANDS_REV0 + 2)
  48 #define ACPI_WRDS_WIFI_DATA_SIZE_REV1   (ACPI_SAR_NUM_CHAINS_REV1 * \
  49                                          ACPI_SAR_NUM_SUB_BANDS_REV1 + 2)
  50 #define ACPI_WRDS_WIFI_DATA_SIZE_REV2   (ACPI_SAR_NUM_CHAINS_REV2 * \
  51                                          ACPI_SAR_NUM_SUB_BANDS_REV2 + 2)
  52 #define ACPI_EWRD_WIFI_DATA_SIZE_REV0   ((ACPI_SAR_PROFILE_NUM - 1) * \
  53                                          ACPI_SAR_NUM_CHAINS_REV0 * \
  54                                          ACPI_SAR_NUM_SUB_BANDS_REV0 + 3)
  55 #define ACPI_EWRD_WIFI_DATA_SIZE_REV1   ((ACPI_SAR_PROFILE_NUM - 1) * \
  56                                          ACPI_SAR_NUM_CHAINS_REV1 * \
  57                                          ACPI_SAR_NUM_SUB_BANDS_REV1 + 3)
  58 #define ACPI_EWRD_WIFI_DATA_SIZE_REV2   ((ACPI_SAR_PROFILE_NUM - 1) * \
  59                                          ACPI_SAR_NUM_CHAINS_REV2 * \
  60                                          ACPI_SAR_NUM_SUB_BANDS_REV2 + 3)
  61 #define ACPI_WPFC_WIFI_DATA_SIZE        5 /* domain and 4 filter config words */
  62
  63 /* revision 0 and 1 are identical, except for the semantics in the FW */
  64 #define ACPI_GEO_NUM_BANDS_REV0         2
  65 #define ACPI_GEO_NUM_BANDS_REV2         3
  66
  67 #define ACPI_WRDD_WIFI_DATA_SIZE        2
  68 #define ACPI_SPLC_WIFI_DATA_SIZE        2
  69 #define ACPI_ECKV_WIFI_DATA_SIZE        2
  70 /*
  71  * One element for domain type,
  72  * and one for the status
  73  */
  74 #define ACPI_GLAI_WIFI_DATA_SIZE        2
  75 #define ACPI_GLAI_MAX_STATUS            2
  76 /*
  77  * TAS size: 1 elelment for type,
  78  *           1 element for enabled field,
  79  *           1 element for block list size,
  80  *           16 elements for block list array
  81  */
  82 #define ACPI_WTAS_WIFI_DATA_SIZE        (3 + IWL_WTAS_BLACK_LIST_MAX)
  83
  84 #define ACPI_PPAG_WIFI_DATA_SIZE_V1     ((IWL_NUM_CHAIN_LIMITS * \
  85                                           IWL_NUM_SUB_BANDS_V1) + 2)
  86 #define ACPI_PPAG_WIFI_DATA_SIZE_V2     ((IWL_NUM_CHAIN_LIMITS * \
  87                                           IWL_NUM_SUB_BANDS_V2) + 2)
  88
  89 #define IWL_SAR_ENABLE_MSK              BIT(0)
  90 #define IWL_REDUCE_POWER_FLAGS_POS      1
  91
  92 /* The Inidcator whether UEFI WIFI GUID tables are locked is read from ACPI */
  93 #define UEFI_WIFI_GUID_UNLOCKED         0
  94
  95 #define ACPI_DSM_REV 0
  96
  97 #ifdef CONFIG_ACPI
  98
  99 struct iwl_fw_runtime;
 100
 101 extern const guid_t iwl_guid;
 102
 103 /**
 104  * iwl_acpi_get_mcc - read MCC from ACPI, if available
 105  *
 106  * @fwrt: the fw runtime struct
 107  * @mcc: output buffer (3 bytes) that will get the MCC
 108  *
 109  * This function tries to read the current MCC from ACPI if available.
 110  */
 111 int iwl_acpi_get_mcc(struct iwl_fw_runtime *fwrt, char *mcc);
 112
 113 int iwl_acpi_get_pwr_limit(struct iwl_fw_runtime *fwrt, u64 *dflt_pwr_limit);
 114
 115 /*
 116  * iwl_acpi_get_eckv - read external clock validation from ACPI, if available
 117  *
 118  * @fwrt: the fw runtime struct
 119  * @extl_clk: output var (2 bytes) that will get the clk indication.
 120  *
 121  * This function tries to read the external clock indication
 122  * from ACPI if available.
 123  */
 124 int iwl_acpi_get_eckv(struct iwl_fw_runtime *fwrt, u32 *extl_clk);
 125
 126 int iwl_acpi_get_wrds_table(struct iwl_fw_runtime *fwrt);
 127
 128 int iwl_acpi_get_ewrd_table(struct iwl_fw_runtime *fwrt);
 129
 130 int iwl_acpi_get_wgds_table(struct iwl_fw_runtime *fwrt);
 131
 132 int iwl_acpi_get_tas_table(struct iwl_fw_runtime *fwrt,
 133                            struct iwl_tas_data *data);
 134
 135 int iwl_acpi_get_ppag_table(struct iwl_fw_runtime *fwrt);
 136
 137 void iwl_acpi_get_phy_filters(struct iwl_fw_runtime *fwrt,
 138                               struct iwl_phy_specific_cfg *filters);
 139
 140 void iwl_acpi_get_guid_lock_status(struct iwl_fw_runtime *fwrt);
 141
 142 int iwl_acpi_get_dsm(struct iwl_fw_runtime *fwrt,
 143                      enum iwl_dsm_funcs func, u32 *value);
 144
 145 #else /* CONFIG_ACPI */
 146
 147 static inline void *iwl_acpi_get_dsm_object(struct device *dev, int rev,
 148                                             int func, union acpi_object *args)
 149 {
 150         return ERR_PTR(-ENOENT);
 151 }
 152
 153 static inline int iwl_acpi_get_mcc(struct iwl_fw_runtime *fwrt, char *mcc)
 154 {
 155         return -ENOENT;
 156 }
 157
 158 static inline int iwl_acpi_get_pwr_limit(struct iwl_fw_runtime *fwrt,
 159                                          u64 *dflt_pwr_limit)
 160 {
 161         *dflt_pwr_limit = 0;
 162         return 0;
 163 }
 164
 165 static inline int iwl_acpi_get_eckv(struct iwl_fw_runtime *fwrt, u32 *extl_clk)
 166 {
 167         return -ENOENT;
 168 }
 169
 170 static inline int iwl_acpi_get_wrds_table(struct iwl_fw_runtime *fwrt)
 171 {
 172         return -ENOENT;
 173 }
 174
 175 static inline int iwl_acpi_get_ewrd_table(struct iwl_fw_runtime *fwrt)
 176 {
 177         return -ENOENT;
 178 }
 179
 180 static inline int iwl_acpi_get_wgds_table(struct iwl_fw_runtime *fwrt)
 181 {
 182         return 1;
 183 }
 184
 185 static inline int iwl_acpi_get_tas_table(struct iwl_fw_runtime *fwrt,
 186                                          struct iwl_tas_data *data)
 187 {
 188         return -ENOENT;
 189 }
 190
 191 static inline int iwl_acpi_get_ppag_table(struct iwl_fw_runtime *fwrt)
 192 {
 193         return -ENOENT;
 194 }
 195
 196 /* macro since the second argument doesn't always exist */
 197 #define iwl_acpi_get_phy_filters(fwrt, filters) do { } while (0)
 198
 199 static inline void iwl_acpi_get_guid_lock_status(struct iwl_fw_runtime *fwrt)
 200 {
 201 }
 202
 203 static inline int iwl_acpi_get_dsm(struct iwl_fw_runtime *fwrt,
 204                                    enum iwl_dsm_funcs func, u32 *value)
 205 {
 206         return -ENOENT;
 207 }
 208 #endif /* CONFIG_ACPI */
 209
 210 #endif /* __iwl_fw_acpi__ */