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) 2018-2021 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_GEO_PER_CHAIN_SIZE         3
  33
  34 #define ACPI_SAR_NUM_CHAINS_REV0        2
  35 #define ACPI_SAR_NUM_CHAINS_REV1        2
  36 #define ACPI_SAR_NUM_CHAINS_REV2        4
  37 #define ACPI_SAR_NUM_SUB_BANDS_REV0     5
  38 #define ACPI_SAR_NUM_SUB_BANDS_REV1     11
  39 #define ACPI_SAR_NUM_SUB_BANDS_REV2     11
  40
  41 #define ACPI_WRDS_WIFI_DATA_SIZE_REV0   (ACPI_SAR_NUM_CHAINS_REV0 * \
  42                                          ACPI_SAR_NUM_SUB_BANDS_REV0 + 2)
  43 #define ACPI_WRDS_WIFI_DATA_SIZE_REV1   (ACPI_SAR_NUM_CHAINS_REV1 * \
  44                                          ACPI_SAR_NUM_SUB_BANDS_REV1 + 2)
  45 #define ACPI_WRDS_WIFI_DATA_SIZE_REV2   (ACPI_SAR_NUM_CHAINS_REV2 * \
  46                                          ACPI_SAR_NUM_SUB_BANDS_REV2 + 2)
  47 #define ACPI_EWRD_WIFI_DATA_SIZE_REV0   ((ACPI_SAR_PROFILE_NUM - 1) * \
  48                                          ACPI_SAR_NUM_CHAINS_REV0 * \
  49                                          ACPI_SAR_NUM_SUB_BANDS_REV0 + 3)
  50 #define ACPI_EWRD_WIFI_DATA_SIZE_REV1   ((ACPI_SAR_PROFILE_NUM - 1) * \
  51                                          ACPI_SAR_NUM_CHAINS_REV1 * \
  52                                          ACPI_SAR_NUM_SUB_BANDS_REV1 + 3)
  53 #define ACPI_EWRD_WIFI_DATA_SIZE_REV2   ((ACPI_SAR_PROFILE_NUM - 1) * \
  54                                          ACPI_SAR_NUM_CHAINS_REV2 * \
  55                                          ACPI_SAR_NUM_SUB_BANDS_REV2 + 3)
  56
  57 /* revision 0 and 1 are identical, except for the semantics in the FW */
  58 #define ACPI_GEO_NUM_BANDS_REV0         2
  59 #define ACPI_GEO_NUM_BANDS_REV2         3
  60 #define ACPI_GEO_NUM_CHAINS             2
  61
  62 #define ACPI_WGDS_WIFI_DATA_SIZE_REV0   (ACPI_NUM_GEO_PROFILES *   \
  63                                          ACPI_GEO_NUM_BANDS_REV0 * \
  64                                          ACPI_GEO_PER_CHAIN_SIZE + 1)
  65 #define ACPI_WGDS_WIFI_DATA_SIZE_REV2   (ACPI_NUM_GEO_PROFILES *   \
  66                                          ACPI_GEO_NUM_BANDS_REV2 * \
  67                                          ACPI_GEO_PER_CHAIN_SIZE + 1)
  68
  69 #define ACPI_WRDD_WIFI_DATA_SIZE        2
  70 #define ACPI_SPLC_WIFI_DATA_SIZE        2
  71 #define ACPI_ECKV_WIFI_DATA_SIZE        2
  72
  73 /*
  74  * 1 type, 1 enabled, 1 block list size, 16 block list array
  75  */
  76 #define APCI_WTAS_BLACK_LIST_MAX        16
  77 #define ACPI_WTAS_WIFI_DATA_SIZE        (3 + APCI_WTAS_BLACK_LIST_MAX)
  78
  79 #define ACPI_PPAG_WIFI_DATA_SIZE_V1     ((IWL_NUM_CHAIN_LIMITS * \
  80                                           IWL_NUM_SUB_BANDS_V1) + 2)
  81 #define ACPI_PPAG_WIFI_DATA_SIZE_V2     ((IWL_NUM_CHAIN_LIMITS * \
  82                                           IWL_NUM_SUB_BANDS_V2) + 2)
  83
  84 /* PPAG gain value bounds in 1/8 dBm */
  85 #define ACPI_PPAG_MIN_LB -16
  86 #define ACPI_PPAG_MAX_LB 24
  87 #define ACPI_PPAG_MIN_HB -16
  88 #define ACPI_PPAG_MAX_HB 40
  89
  90 /*
  91  * The profile for revision 2 is a superset of revision 1, which is in
  92  * turn a superset of revision 0.  So we can store all revisions
  93  * inside revision 2, which is what we represent here.
  94  */
  95 struct iwl_sar_profile_chain {
  96         u8 subbands[ACPI_SAR_NUM_SUB_BANDS_REV2];
  97 };
  98
  99 struct iwl_sar_profile {
 100         bool enabled;
 101         struct iwl_sar_profile_chain chains[ACPI_SAR_NUM_CHAINS_REV2];
 102 };
 103
 104 /* Same thing as with SAR, all revisions fit in revision 2 */
 105 struct iwl_geo_profile_band {
 106         u8 max;
 107         u8 chains[ACPI_GEO_NUM_CHAINS];
 108 };
 109
 110 struct iwl_geo_profile {
 111         struct iwl_geo_profile_band bands[ACPI_GEO_NUM_BANDS_REV2];
 112 };
 113
 114 enum iwl_dsm_funcs_rev_0 {
 115         DSM_FUNC_QUERY = 0,
 116         DSM_FUNC_DISABLE_SRD = 1,
 117         DSM_FUNC_ENABLE_INDONESIA_5G2 = 2,
 118         DSM_FUNC_11AX_ENABLEMENT = 6,
 119         DSM_FUNC_ENABLE_UNII4_CHAN = 7
 120 };
 121
 122 enum iwl_dsm_values_srd {
 123         DSM_VALUE_SRD_ACTIVE,
 124         DSM_VALUE_SRD_PASSIVE,
 125         DSM_VALUE_SRD_DISABLE,
 126         DSM_VALUE_SRD_MAX
 127 };
 128
 129 enum iwl_dsm_values_indonesia {
 130         DSM_VALUE_INDONESIA_DISABLE,
 131         DSM_VALUE_INDONESIA_ENABLE,
 132         DSM_VALUE_INDONESIA_RESERVED,
 133         DSM_VALUE_INDONESIA_MAX
 134 };
 135
 136 /* DSM RFI uses a different GUID, so need separate definitions */
 137
 138 #define DSM_RFI_FUNC_ENABLE 3
 139
 140 enum iwl_dsm_values_rfi {
 141         DSM_VALUE_RFI_ENABLE,
 142         DSM_VALUE_RFI_DISABLE,
 143         DSM_VALUE_RFI_MAX
 144 };
 145
 146 #ifdef CONFIG_ACPI
 147
 148 struct iwl_fw_runtime;
 149
 150 extern const guid_t iwl_guid;
 151 extern const guid_t iwl_rfi_guid;
 152
 153 void *iwl_acpi_get_object(struct device *dev, acpi_string method);
 154
 155 int iwl_acpi_get_dsm_u8(struct device *dev, int rev, int func,
 156                         const guid_t *guid, u8 *value);
 157
 158 int iwl_acpi_get_dsm_u32(struct device *dev, int rev, int func,
 159                          const guid_t *guid, u32 *value);
 160
 161 union acpi_object *iwl_acpi_get_wifi_pkg(struct device *dev,
 162                                          union acpi_object *data,
 163                                          int data_size, int *tbl_rev);
 164
 165 /**
 166  * iwl_acpi_get_mcc - read MCC from ACPI, if available
 167  *
 168  * @dev: the struct device
 169  * @mcc: output buffer (3 bytes) that will get the MCC
 170  *
 171  * This function tries to read the current MCC from ACPI if available.
 172  */
 173 int iwl_acpi_get_mcc(struct device *dev, char *mcc);
 174
 175 u64 iwl_acpi_get_pwr_limit(struct device *dev);
 176
 177 /*
 178  * iwl_acpi_get_eckv - read external clock validation from ACPI, if available
 179  *
 180  * @dev: the struct device
 181  * @extl_clk: output var (2 bytes) that will get the clk indication.
 182  *
 183  * This function tries to read the external clock indication
 184  * from ACPI if available.
 185  */
 186 int iwl_acpi_get_eckv(struct device *dev, u32 *extl_clk);
 187
 188 int iwl_sar_select_profile(struct iwl_fw_runtime *fwrt,
 189                            __le16 *per_chain, u32 n_tables, u32 n_subbands,
 190                            int prof_a, int prof_b);
 191
 192 int iwl_sar_get_wrds_table(struct iwl_fw_runtime *fwrt);
 193
 194 int iwl_sar_get_ewrd_table(struct iwl_fw_runtime *fwrt);
 195
 196 int iwl_sar_get_wgds_table(struct iwl_fw_runtime *fwrt);
 197
 198 bool iwl_sar_geo_support(struct iwl_fw_runtime *fwrt);
 199
 200 int iwl_sar_geo_init(struct iwl_fw_runtime *fwrt,
 201                      struct iwl_per_chain_offset *table, u32 n_bands);
 202
 203 int iwl_acpi_get_tas(struct iwl_fw_runtime *fwrt, __le32 *block_list_array,
 204                      int *block_list_size);
 205
 206 __le32 iwl_acpi_get_lari_config_bitmap(struct iwl_fw_runtime *fwrt);
 207
 208 #else /* CONFIG_ACPI */
 209
 210 static inline void *iwl_acpi_get_object(struct device *dev, acpi_string method)
 211 {
 212         return ERR_PTR(-ENOENT);
 213 }
 214
 215 static inline void *iwl_acpi_get_dsm_object(struct device *dev, int rev,
 216                                             int func, union acpi_object *args)
 217 {
 218         return ERR_PTR(-ENOENT);
 219 }
 220
 221 static inline int iwl_acpi_get_dsm_u8(struct device *dev, int rev, int func,
 222                                       const guid_t *guid, u8 *value)
 223 {
 224         return -ENOENT;
 225 }
 226
 227 static inline int iwl_acpi_get_dsm_u32(struct device *dev, int rev, int func,
 228                                        const guid_t *guid, u32 *value)
 229 {
 230         return -ENOENT;
 231 }
 232
 233 static inline union acpi_object *iwl_acpi_get_wifi_pkg(struct device *dev,
 234                                                        union acpi_object *data,
 235                                                        int data_size,
 236                                                        int *tbl_rev)
 237 {
 238         return ERR_PTR(-ENOENT);
 239 }
 240
 241 static inline int iwl_acpi_get_mcc(struct device *dev, char *mcc)
 242 {
 243         return -ENOENT;
 244 }
 245
 246 static inline u64 iwl_acpi_get_pwr_limit(struct device *dev)
 247 {
 248         return 0;
 249 }
 250
 251 static inline int iwl_acpi_get_eckv(struct device *dev, u32 *extl_clk)
 252 {
 253         return -ENOENT;
 254 }
 255
 256 static inline int iwl_sar_select_profile(struct iwl_fw_runtime *fwrt,
 257                            __le16 *per_chain, u32 n_tables, u32 n_subbands,
 258                            int prof_a, int prof_b)
 259 {
 260         return -ENOENT;
 261 }
 262
 263 static inline int iwl_sar_get_wrds_table(struct iwl_fw_runtime *fwrt)
 264 {
 265         return -ENOENT;
 266 }
 267
 268 static inline int iwl_sar_get_ewrd_table(struct iwl_fw_runtime *fwrt)
 269 {
 270         return -ENOENT;
 271 }
 272
 273 static inline int iwl_sar_get_wgds_table(struct iwl_fw_runtime *fwrt)
 274 {
 275         return 1;
 276 }
 277
 278 static inline bool iwl_sar_geo_support(struct iwl_fw_runtime *fwrt)
 279 {
 280         return false;
 281 }
 282
 283 static inline int iwl_acpi_get_tas(struct iwl_fw_runtime *fwrt,
 284                                    __le32 *block_list_array,
 285                                    int *block_list_size)
 286 {
 287         return -ENOENT;
 288 }
 289
 290 static inline __le32 iwl_acpi_get_lari_config_bitmap(struct iwl_fw_runtime *fwrt)
 291 {
 292         return 0;
 293 }
 294
 295 #endif /* CONFIG_ACPI */
 296 #endif /* __iwl_fw_acpi__ */