1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ 2 /* 3 * Copyright (C) 2017 Intel Deutschland GmbH 4 * Copyright (C) 2018-2022 Intel Corporation 5 */ 6 #ifndef __iwl_fw_acpi__ 7 #define __iwl_fw_acpi__ 8 9 #include <linux/acpi.h> 10 #include "fw/api/commands.h" 11 #include "fw/api/power.h" 12 #include "fw/api/phy.h" 13 #include "fw/api/nvm-reg.h" 14 #include "fw/img.h" 15 #include "iwl-trans.h" 16 17 18 #define ACPI_WRDS_METHOD "WRDS" 19 #define ACPI_EWRD_METHOD "EWRD" 20 #define ACPI_WGDS_METHOD "WGDS" 21 #define ACPI_WRDD_METHOD "WRDD" 22 #define ACPI_SPLC_METHOD "SPLC" 23 #define ACPI_ECKV_METHOD "ECKV" 24 #define ACPI_PPAG_METHOD "PPAG" 25 #define ACPI_WTAS_METHOD "WTAS" 26 27 #define ACPI_WIFI_DOMAIN (0x07) 28 29 #define ACPI_SAR_PROFILE_NUM 4 30 31 #define ACPI_NUM_GEO_PROFILES 3 32 #define ACPI_NUM_GEO_PROFILES_REV3 8 33 #define ACPI_GEO_PER_CHAIN_SIZE 3 34 35 #define ACPI_SAR_NUM_CHAINS_REV0 2 36 #define ACPI_SAR_NUM_CHAINS_REV1 2 37 #define ACPI_SAR_NUM_CHAINS_REV2 4 38 #define ACPI_SAR_NUM_SUB_BANDS_REV0 5 39 #define ACPI_SAR_NUM_SUB_BANDS_REV1 11 40 #define ACPI_SAR_NUM_SUB_BANDS_REV2 11 41 42 #define ACPI_WRDS_WIFI_DATA_SIZE_REV0 (ACPI_SAR_NUM_CHAINS_REV0 * \ 43 ACPI_SAR_NUM_SUB_BANDS_REV0 + 2) 44 #define ACPI_WRDS_WIFI_DATA_SIZE_REV1 (ACPI_SAR_NUM_CHAINS_REV1 * \ 45 ACPI_SAR_NUM_SUB_BANDS_REV1 + 2) 46 #define ACPI_WRDS_WIFI_DATA_SIZE_REV2 (ACPI_SAR_NUM_CHAINS_REV2 * \ 47 ACPI_SAR_NUM_SUB_BANDS_REV2 + 2) 48 #define ACPI_EWRD_WIFI_DATA_SIZE_REV0 ((ACPI_SAR_PROFILE_NUM - 1) * \ 49 ACPI_SAR_NUM_CHAINS_REV0 * \ 50 ACPI_SAR_NUM_SUB_BANDS_REV0 + 3) 51 #define ACPI_EWRD_WIFI_DATA_SIZE_REV1 ((ACPI_SAR_PROFILE_NUM - 1) * \ 52 ACPI_SAR_NUM_CHAINS_REV1 * \ 53 ACPI_SAR_NUM_SUB_BANDS_REV1 + 3) 54 #define ACPI_EWRD_WIFI_DATA_SIZE_REV2 ((ACPI_SAR_PROFILE_NUM - 1) * \ 55 ACPI_SAR_NUM_CHAINS_REV2 * \ 56 ACPI_SAR_NUM_SUB_BANDS_REV2 + 3) 57 58 /* revision 0 and 1 are identical, except for the semantics in the FW */ 59 #define ACPI_GEO_NUM_BANDS_REV0 2 60 #define ACPI_GEO_NUM_BANDS_REV2 3 61 #define ACPI_GEO_NUM_CHAINS 2 62 63 #define ACPI_WRDD_WIFI_DATA_SIZE 2 64 #define ACPI_SPLC_WIFI_DATA_SIZE 2 65 #define ACPI_ECKV_WIFI_DATA_SIZE 2 66 67 /* 68 * TAS size: 1 elelment for type, 69 * 1 element for enabled field, 70 * 1 element for block list size, 71 * 16 elements for block list array 72 */ 73 #define APCI_WTAS_BLACK_LIST_MAX 16 74 #define ACPI_WTAS_WIFI_DATA_SIZE (3 + APCI_WTAS_BLACK_LIST_MAX) 75 #define ACPI_WTAS_ENABLED_MSK 0x1 76 #define ACPI_WTAS_OVERRIDE_IEC_MSK 0x2 77 #define ACPI_WTAS_ENABLE_IEC_MSK 0x4 78 #define ACPI_WTAS_OVERRIDE_IEC_POS 0x1 79 #define ACPI_WTAS_ENABLE_IEC_POS 0x2 80 #define ACPI_WTAS_USA_UHB_MSK BIT(16) 81 #define ACPI_WTAS_USA_UHB_POS 16 82 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 /* PPAG gain value bounds in 1/8 dBm */ 90 #define ACPI_PPAG_MIN_LB -16 91 #define ACPI_PPAG_MAX_LB 24 92 #define ACPI_PPAG_MIN_HB -16 93 #define ACPI_PPAG_MAX_HB 40 94 95 /* 96 * The profile for revision 2 is a superset of revision 1, which is in 97 * turn a superset of revision 0. So we can store all revisions 98 * inside revision 2, which is what we represent here. 99 */ 100 struct iwl_sar_profile_chain { 101 u8 subbands[ACPI_SAR_NUM_SUB_BANDS_REV2]; 102 }; 103 104 struct iwl_sar_profile { 105 bool enabled; 106 struct iwl_sar_profile_chain chains[ACPI_SAR_NUM_CHAINS_REV2]; 107 }; 108 109 /* Same thing as with SAR, all revisions fit in revision 2 */ 110 struct iwl_geo_profile_band { 111 u8 max; 112 u8 chains[ACPI_GEO_NUM_CHAINS]; 113 }; 114 115 struct iwl_geo_profile { 116 struct iwl_geo_profile_band bands[ACPI_GEO_NUM_BANDS_REV2]; 117 }; 118 119 /* Same thing as with SAR, all revisions fit in revision 2 */ 120 struct iwl_ppag_chain { 121 s8 subbands[ACPI_SAR_NUM_SUB_BANDS_REV2]; 122 }; 123 124 enum iwl_dsm_funcs_rev_0 { 125 DSM_FUNC_QUERY = 0, 126 DSM_FUNC_DISABLE_SRD = 1, 127 DSM_FUNC_ENABLE_INDONESIA_5G2 = 2, 128 DSM_FUNC_ENABLE_6E = 3, 129 DSM_FUNC_11AX_ENABLEMENT = 6, 130 DSM_FUNC_ENABLE_UNII4_CHAN = 7, 131 DSM_FUNC_ACTIVATE_CHANNEL = 8, 132 DSM_FUNC_FORCE_DISABLE_CHANNELS = 9 133 }; 134 135 enum iwl_dsm_values_srd { 136 DSM_VALUE_SRD_ACTIVE, 137 DSM_VALUE_SRD_PASSIVE, 138 DSM_VALUE_SRD_DISABLE, 139 DSM_VALUE_SRD_MAX 140 }; 141 142 enum iwl_dsm_values_indonesia { 143 DSM_VALUE_INDONESIA_DISABLE, 144 DSM_VALUE_INDONESIA_ENABLE, 145 DSM_VALUE_INDONESIA_RESERVED, 146 DSM_VALUE_INDONESIA_MAX 147 }; 148 149 /* DSM RFI uses a different GUID, so need separate definitions */ 150 151 #define DSM_RFI_FUNC_ENABLE 3 152 153 enum iwl_dsm_values_rfi { 154 DSM_VALUE_RFI_ENABLE, 155 DSM_VALUE_RFI_DISABLE, 156 DSM_VALUE_RFI_MAX 157 }; 158 159 #ifdef CONFIG_ACPI 160 161 struct iwl_fw_runtime; 162 163 extern const guid_t iwl_guid; 164 extern const guid_t iwl_rfi_guid; 165 166 void *iwl_acpi_get_object(struct device *dev, acpi_string method); 167 168 int iwl_acpi_get_dsm_u8(struct device *dev, int rev, int func, 169 const guid_t *guid, u8 *value); 170 171 int iwl_acpi_get_dsm_u32(struct device *dev, int rev, int func, 172 const guid_t *guid, u32 *value); 173 174 union acpi_object *iwl_acpi_get_wifi_pkg_range(struct device *dev, 175 union acpi_object *data, 176 int min_data_size, 177 int max_data_size, 178 int *tbl_rev); 179 /** 180 * iwl_acpi_get_mcc - read MCC from ACPI, if available 181 * 182 * @dev: the struct device 183 * @mcc: output buffer (3 bytes) that will get the MCC 184 * 185 * This function tries to read the current MCC from ACPI if available. 186 */ 187 int iwl_acpi_get_mcc(struct device *dev, char *mcc); 188 189 u64 iwl_acpi_get_pwr_limit(struct device *dev); 190 191 /* 192 * iwl_acpi_get_eckv - read external clock validation from ACPI, if available 193 * 194 * @dev: the struct device 195 * @extl_clk: output var (2 bytes) that will get the clk indication. 196 * 197 * This function tries to read the external clock indication 198 * from ACPI if available. 199 */ 200 int iwl_acpi_get_eckv(struct device *dev, u32 *extl_clk); 201 202 int iwl_sar_select_profile(struct iwl_fw_runtime *fwrt, 203 __le16 *per_chain, u32 n_tables, u32 n_subbands, 204 int prof_a, int prof_b); 205 206 int iwl_sar_get_wrds_table(struct iwl_fw_runtime *fwrt); 207 208 int iwl_sar_get_ewrd_table(struct iwl_fw_runtime *fwrt); 209 210 int iwl_sar_get_wgds_table(struct iwl_fw_runtime *fwrt); 211 212 bool iwl_sar_geo_support(struct iwl_fw_runtime *fwrt); 213 214 int iwl_sar_geo_init(struct iwl_fw_runtime *fwrt, 215 struct iwl_per_chain_offset *table, 216 u32 n_bands, u32 n_profiles); 217 218 int iwl_acpi_get_tas(struct iwl_fw_runtime *fwrt, 219 union iwl_tas_config_cmd *cmd, int fw_ver); 220 221 __le32 iwl_acpi_get_lari_config_bitmap(struct iwl_fw_runtime *fwrt); 222 223 #else /* CONFIG_ACPI */ 224 225 static inline void *iwl_acpi_get_object(struct device *dev, acpi_string method) 226 { 227 return ERR_PTR(-ENOENT); 228 } 229 230 static inline void *iwl_acpi_get_dsm_object(struct device *dev, int rev, 231 int func, union acpi_object *args) 232 { 233 return ERR_PTR(-ENOENT); 234 } 235 236 static inline int iwl_acpi_get_dsm_u8(struct device *dev, int rev, int func, 237 const guid_t *guid, u8 *value) 238 { 239 return -ENOENT; 240 } 241 242 static inline int iwl_acpi_get_dsm_u32(struct device *dev, int rev, int func, 243 const guid_t *guid, u32 *value) 244 { 245 return -ENOENT; 246 } 247 248 static inline union acpi_object * 249 iwl_acpi_get_wifi_pkg_range(struct device *dev, 250 union acpi_object *data, 251 int min_data_size, int max_data_size, 252 int *tbl_rev) 253 { 254 return ERR_PTR(-ENOENT); 255 } 256 257 static inline int iwl_acpi_get_mcc(struct device *dev, char *mcc) 258 { 259 return -ENOENT; 260 } 261 262 static inline u64 iwl_acpi_get_pwr_limit(struct device *dev) 263 { 264 return 0; 265 } 266 267 static inline int iwl_acpi_get_eckv(struct device *dev, u32 *extl_clk) 268 { 269 return -ENOENT; 270 } 271 272 static inline int iwl_sar_select_profile(struct iwl_fw_runtime *fwrt, 273 __le16 *per_chain, u32 n_tables, u32 n_subbands, 274 int prof_a, int prof_b) 275 { 276 return -ENOENT; 277 } 278 279 static inline int iwl_sar_get_wrds_table(struct iwl_fw_runtime *fwrt) 280 { 281 return -ENOENT; 282 } 283 284 static inline int iwl_sar_get_ewrd_table(struct iwl_fw_runtime *fwrt) 285 { 286 return -ENOENT; 287 } 288 289 static inline int iwl_sar_get_wgds_table(struct iwl_fw_runtime *fwrt) 290 { 291 return 1; 292 } 293 294 static inline bool iwl_sar_geo_support(struct iwl_fw_runtime *fwrt) 295 { 296 return false; 297 } 298 299 static inline int iwl_acpi_get_tas(struct iwl_fw_runtime *fwrt, 300 union iwl_tas_config_cmd *cmd, int fw_ver) 301 { 302 return -ENOENT; 303 } 304 305 static inline __le32 iwl_acpi_get_lari_config_bitmap(struct iwl_fw_runtime *fwrt) 306 { 307 return 0; 308 } 309 310 #endif /* CONFIG_ACPI */ 311 312 static inline union acpi_object * 313 iwl_acpi_get_wifi_pkg(struct device *dev, 314 union acpi_object *data, 315 int data_size, int *tbl_rev) 316 { 317 return iwl_acpi_get_wifi_pkg_range(dev, data, data_size, data_size, 318 tbl_rev); 319 } 320 321 #endif /* __iwl_fw_acpi__ */ 322