drivers/net/wireless/iwlwifi/iwl-fw.h

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  64
  65 #ifndef __iwl_fw_h__
  66 #define __iwl_fw_h__
  67 #include <linux/types.h>
  68 #include <net/mac80211.h>
  69
  70 #include "iwl-fw-file.h"
  71 #include "iwl-fw-error-dump.h"
  72
  73 /**
  74  * enum iwl_ucode_type
  75  *
  76  * The type of ucode.
  77  *
  78  * @IWL_UCODE_REGULAR: Normal runtime ucode
  79  * @IWL_UCODE_INIT: Initial ucode
  80  * @IWL_UCODE_WOWLAN: Wake on Wireless enabled ucode
  81  * @IWL_UCODE_REGULAR_USNIFFER: Normal runtime ucode when using usniffer image
  82  */
  83 enum iwl_ucode_type {
  84         IWL_UCODE_REGULAR,
  85         IWL_UCODE_INIT,
  86         IWL_UCODE_WOWLAN,
  87         IWL_UCODE_REGULAR_USNIFFER,
  88         IWL_UCODE_TYPE_MAX,
  89 };
  90
  91 /*
  92  * enumeration of ucode section.
  93  * This enumeration is used directly for older firmware (before 16.0).
  94  * For new firmware, there can be up to 4 sections (see below) but the
  95  * first one packaged into the firmware file is the DATA section and
  96  * some debugging code accesses that.
  97  */
  98 enum iwl_ucode_sec {
  99         IWL_UCODE_SECTION_DATA,
 100         IWL_UCODE_SECTION_INST,
 101 };
 102
 103 struct iwl_ucode_capabilities {
 104         u32 max_probe_length;
 105         u32 n_scan_channels;
 106         u32 standard_phy_calibration_size;
 107         u32 flags;
 108         unsigned long _api[BITS_TO_LONGS(IWL_API_MAX_BITS)];
 109         unsigned long _capa[BITS_TO_LONGS(IWL_CAPABILITIES_MAX_BITS)];
 110 };
 111
 112 static inline bool
 113 fw_has_api(const struct iwl_ucode_capabilities *capabilities,
 114            iwl_ucode_tlv_api_t api)
 115 {
 116         return test_bit((__force long)api, capabilities->_api);
 117 }
 118
 119 static inline bool
 120 fw_has_capa(const struct iwl_ucode_capabilities *capabilities,
 121             iwl_ucode_tlv_capa_t capa)
 122 {
 123         return test_bit((__force long)capa, capabilities->_capa);
 124 }
 125
 126 /* one for each uCode image (inst/data, init/runtime/wowlan) */
 127 struct fw_desc {
 128         const void *data;       /* vmalloc'ed data */
 129         u32 len;                /* size in bytes */
 130         u32 offset;             /* offset in the device */
 131 };
 132
 133 struct fw_img {
 134         struct fw_desc sec[IWL_UCODE_SECTION_MAX];
 135         bool is_dual_cpus;
 136         u32 paging_mem_size;
 137 };
 138
 139 struct iwl_sf_region {
 140         u32 addr;
 141         u32 size;
 142 };
 143
 144 /*
 145  * Block paging calculations
 146  */
 147 #define PAGE_2_EXP_SIZE 12 /* 4K == 2^12 */
 148 #define FW_PAGING_SIZE BIT(PAGE_2_EXP_SIZE) /* page size is 4KB */
 149 #define PAGE_PER_GROUP_2_EXP_SIZE 3
 150 /* 8 pages per group */
 151 #define NUM_OF_PAGE_PER_GROUP BIT(PAGE_PER_GROUP_2_EXP_SIZE)
 152 /* don't change, support only 32KB size */
 153 #define PAGING_BLOCK_SIZE (NUM_OF_PAGE_PER_GROUP * FW_PAGING_SIZE)
 154 /* 32K == 2^15 */
 155 #define BLOCK_2_EXP_SIZE (PAGE_2_EXP_SIZE + PAGE_PER_GROUP_2_EXP_SIZE)
 156
 157 /*
 158  * Image paging calculations
 159  */
 160 #define BLOCK_PER_IMAGE_2_EXP_SIZE 5
 161 /* 2^5 == 32 blocks per image */
 162 #define NUM_OF_BLOCK_PER_IMAGE BIT(BLOCK_PER_IMAGE_2_EXP_SIZE)
 163 /* maximum image size 1024KB */
 164 #define MAX_PAGING_IMAGE_SIZE (NUM_OF_BLOCK_PER_IMAGE * PAGING_BLOCK_SIZE)
 165
 166 #define PAGING_CMD_IS_SECURED BIT(9)
 167 #define PAGING_CMD_IS_ENABLED BIT(8)
 168 #define PAGING_CMD_NUM_OF_PAGES_IN_LAST_GRP_POS 0
 169 #define PAGING_TLV_SECURE_MASK 1
 170
 171 /**
 172  * struct iwl_fw_paging
 173  * @fw_paging_phys: page phy pointer
 174  * @fw_paging_block: pointer to the allocated block
 175  * @fw_paging_size: page size
 176  */
 177 struct iwl_fw_paging {
 178         dma_addr_t fw_paging_phys;
 179         struct page *fw_paging_block;
 180         u32 fw_paging_size;
 181 };
 182
 183 /**
 184  * struct iwl_fw_cscheme_list - a cipher scheme list
 185  * @size: a number of entries
 186  * @cs: cipher scheme entries
 187  */
 188 struct iwl_fw_cscheme_list {
 189         u8 size;
 190         struct iwl_fw_cipher_scheme cs[];
 191 } __packed;
 192
 193 /**
 194  * struct iwl_gscan_capabilities - gscan capabilities supported by FW
 195  * @max_scan_cache_size: total space allocated for scan results (in bytes).
 196  * @max_scan_buckets: maximum number of channel buckets.
 197  * @max_ap_cache_per_scan: maximum number of APs that can be stored per scan.
 198  * @max_rssi_sample_size: number of RSSI samples used for averaging RSSI.
 199  * @max_scan_reporting_threshold: max possible report threshold. in percentage.
 200  * @max_hotlist_aps: maximum number of entries for hotlist APs.
 201  * @max_significant_change_aps: maximum number of entries for significant
 202  *      change APs.
 203  * @max_bssid_history_entries: number of BSSID/RSSI entries that the device can
 204  *      hold.
 205  */
 206 struct iwl_gscan_capabilities {
 207         u32 max_scan_cache_size;
 208         u32 max_scan_buckets;
 209         u32 max_ap_cache_per_scan;
 210         u32 max_rssi_sample_size;
 211         u32 max_scan_reporting_threshold;
 212         u32 max_hotlist_aps;
 213         u32 max_significant_change_aps;
 214         u32 max_bssid_history_entries;
 215 };
 216
 217 /**
 218  * struct iwl_fw - variables associated with the firmware
 219  *
 220  * @ucode_ver: ucode version from the ucode file
 221  * @fw_version: firmware version string
 222  * @img: ucode image like ucode_rt, ucode_init, ucode_wowlan.
 223  * @ucode_capa: capabilities parsed from the ucode file.
 224  * @enhance_sensitivity_table: device can do enhanced sensitivity.
 225  * @init_evtlog_ptr: event log offset for init ucode.
 226  * @init_evtlog_size: event log size for init ucode.
 227  * @init_errlog_ptr: error log offfset for init ucode.
 228  * @inst_evtlog_ptr: event log offset for runtime ucode.
 229  * @inst_evtlog_size: event log size for runtime ucode.
 230  * @inst_errlog_ptr: error log offfset for runtime ucode.
 231  * @mvm_fw: indicates this is MVM firmware
 232  * @cipher_scheme: optional external cipher scheme.
 233  * @human_readable: human readable version
 234  * @sdio_adma_addr: the default address to set for the ADMA in SDIO mode until
 235  *      we get the ALIVE from the uCode
 236  * @dbg_dest_tlv: points to the destination TLV for debug
 237  * @dbg_conf_tlv: array of pointers to configuration TLVs for debug
 238  * @dbg_conf_tlv_len: lengths of the @dbg_conf_tlv entries
 239  * @dbg_trigger_tlv: array of pointers to triggers TLVs
 240  * @dbg_trigger_tlv_len: lengths of the @dbg_trigger_tlv entries
 241  * @dbg_dest_reg_num: num of reg_ops in %dbg_dest_tlv
 242  */
 243 struct iwl_fw {
 244         u32 ucode_ver;
 245
 246         char fw_version[ETHTOOL_FWVERS_LEN];
 247
 248         /* ucode images */
 249         struct fw_img img[IWL_UCODE_TYPE_MAX];
 250
 251         struct iwl_ucode_capabilities ucode_capa;
 252         bool enhance_sensitivity_table;
 253
 254         u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
 255         u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
 256
 257         struct iwl_tlv_calib_ctrl default_calib[IWL_UCODE_TYPE_MAX];
 258         u32 phy_config;
 259         u8 valid_tx_ant;
 260         u8 valid_rx_ant;
 261
 262         bool mvm_fw;
 263
 264         struct ieee80211_cipher_scheme cs[IWL_UCODE_MAX_CS];
 265         u8 human_readable[FW_VER_HUMAN_READABLE_SZ];
 266
 267         u32 sdio_adma_addr;
 268
 269         struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv;
 270         struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX];
 271         size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX];
 272         struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX];
 273         size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX];
 274         u8 dbg_dest_reg_num;
 275         struct iwl_gscan_capabilities gscan_capa;
 276 };
 277
 278 static inline const char *get_fw_dbg_mode_string(int mode)
 279 {
 280         switch (mode) {
 281         case SMEM_MODE:
 282                 return "SMEM";
 283         case EXTERNAL_MODE:
 284                 return "EXTERNAL_DRAM";
 285         case MARBH_MODE:
 286                 return "MARBH";
 287         case MIPI_MODE:
 288                 return "MIPI";
 289         default:
 290                 return "UNKNOWN";
 291         }
 292 }
 293
 294 static inline bool
 295 iwl_fw_dbg_conf_usniffer(const struct iwl_fw *fw, u8 id)
 296 {
 297         const struct iwl_fw_dbg_conf_tlv *conf_tlv = fw->dbg_conf_tlv[id];
 298
 299         if (!conf_tlv)
 300                 return false;
 301
 302         return conf_tlv->usniffer;
 303 }
 304
 305 #define iwl_fw_dbg_trigger_enabled(fw, id) ({                   \
 306         void *__dbg_trigger = (fw)->dbg_trigger_tlv[(id)];      \
 307         unlikely(__dbg_trigger);                                \
 308 })
 309
 310 static inline struct iwl_fw_dbg_trigger_tlv*
 311 iwl_fw_dbg_get_trigger(const struct iwl_fw *fw, u8 id)
 312 {
 313         if (WARN_ON(id >= ARRAY_SIZE(fw->dbg_trigger_tlv)))
 314                 return NULL;
 315
 316         return fw->dbg_trigger_tlv[id];
 317 }
 318
 319 #endif  /* __iwl_fw_h__ */