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

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   8  * Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved.
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  30  *  Intel Linux Wireless <linuxwifi@intel.com>
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  33  * BSD LICENSE
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  65  *****************************************************************************/
  66
  67 #ifndef __iwl_fw_h__
  68 #define __iwl_fw_h__
  69 #include <linux/types.h>
  70 #include <net/mac80211.h>
  71
  72 #include "iwl-fw-file.h"
  73 #include "iwl-fw-error-dump.h"
  74
  75 /**
  76  * enum iwl_ucode_type
  77  *
  78  * The type of ucode.
  79  *
  80  * @IWL_UCODE_REGULAR: Normal runtime ucode
  81  * @IWL_UCODE_INIT: Initial ucode
  82  * @IWL_UCODE_WOWLAN: Wake on Wireless enabled ucode
  83  * @IWL_UCODE_REGULAR_USNIFFER: Normal runtime ucode when using usniffer image
  84  */
  85 enum iwl_ucode_type {
  86         IWL_UCODE_REGULAR,
  87         IWL_UCODE_INIT,
  88         IWL_UCODE_WOWLAN,
  89         IWL_UCODE_REGULAR_USNIFFER,
  90         IWL_UCODE_TYPE_MAX,
  91 };
  92
  93 /*
  94  * enumeration of ucode section.
  95  * This enumeration is used directly for older firmware (before 16.0).
  96  * For new firmware, there can be up to 4 sections (see below) but the
  97  * first one packaged into the firmware file is the DATA section and
  98  * some debugging code accesses that.
  99  */
 100 enum iwl_ucode_sec {
 101         IWL_UCODE_SECTION_DATA,
 102         IWL_UCODE_SECTION_INST,
 103 };
 104
 105 struct iwl_ucode_capabilities {
 106         u32 max_probe_length;
 107         u32 n_scan_channels;
 108         u32 standard_phy_calibration_size;
 109         u32 flags;
 110         unsigned long _api[BITS_TO_LONGS(NUM_IWL_UCODE_TLV_API)];
 111         unsigned long _capa[BITS_TO_LONGS(NUM_IWL_UCODE_TLV_CAPA)];
 112 };
 113
 114 static inline bool
 115 fw_has_api(const struct iwl_ucode_capabilities *capabilities,
 116            iwl_ucode_tlv_api_t api)
 117 {
 118         return test_bit((__force long)api, capabilities->_api);
 119 }
 120
 121 static inline bool
 122 fw_has_capa(const struct iwl_ucode_capabilities *capabilities,
 123             iwl_ucode_tlv_capa_t capa)
 124 {
 125         return test_bit((__force long)capa, capabilities->_capa);
 126 }
 127
 128 /* one for each uCode image (inst/data, init/runtime/wowlan) */
 129 struct fw_desc {
 130         const void *data;       /* vmalloc'ed data */
 131         u32 len;                /* size in bytes */
 132         u32 offset;             /* offset in the device */
 133 };
 134
 135 struct fw_img {
 136         struct fw_desc sec[IWL_UCODE_SECTION_MAX];
 137         bool is_dual_cpus;
 138         u32 paging_mem_size;
 139 };
 140
 141 struct iwl_sf_region {
 142         u32 addr;
 143         u32 size;
 144 };
 145
 146 /*
 147  * Block paging calculations
 148  */
 149 #define PAGE_2_EXP_SIZE 12 /* 4K == 2^12 */
 150 #define FW_PAGING_SIZE BIT(PAGE_2_EXP_SIZE) /* page size is 4KB */
 151 #define PAGE_PER_GROUP_2_EXP_SIZE 3
 152 /* 8 pages per group */
 153 #define NUM_OF_PAGE_PER_GROUP BIT(PAGE_PER_GROUP_2_EXP_SIZE)
 154 /* don't change, support only 32KB size */
 155 #define PAGING_BLOCK_SIZE (NUM_OF_PAGE_PER_GROUP * FW_PAGING_SIZE)
 156 /* 32K == 2^15 */
 157 #define BLOCK_2_EXP_SIZE (PAGE_2_EXP_SIZE + PAGE_PER_GROUP_2_EXP_SIZE)
 158
 159 /*
 160  * Image paging calculations
 161  */
 162 #define BLOCK_PER_IMAGE_2_EXP_SIZE 5
 163 /* 2^5 == 32 blocks per image */
 164 #define NUM_OF_BLOCK_PER_IMAGE BIT(BLOCK_PER_IMAGE_2_EXP_SIZE)
 165 /* maximum image size 1024KB */
 166 #define MAX_PAGING_IMAGE_SIZE (NUM_OF_BLOCK_PER_IMAGE * PAGING_BLOCK_SIZE)
 167
 168 /* Virtual address signature */
 169 #define PAGING_ADDR_SIG 0xAA000000
 170
 171 #define PAGING_CMD_IS_SECURED BIT(9)
 172 #define PAGING_CMD_IS_ENABLED BIT(8)
 173 #define PAGING_CMD_NUM_OF_PAGES_IN_LAST_GRP_POS 0
 174 #define PAGING_TLV_SECURE_MASK 1
 175
 176 /**
 177  * struct iwl_fw_paging
 178  * @fw_paging_phys: page phy pointer
 179  * @fw_paging_block: pointer to the allocated block
 180  * @fw_paging_size: page size
 181  */
 182 struct iwl_fw_paging {
 183         dma_addr_t fw_paging_phys;
 184         struct page *fw_paging_block;
 185         u32 fw_paging_size;
 186 };
 187
 188 /**
 189  * struct iwl_fw_cscheme_list - a cipher scheme list
 190  * @size: a number of entries
 191  * @cs: cipher scheme entries
 192  */
 193 struct iwl_fw_cscheme_list {
 194         u8 size;
 195         struct iwl_fw_cipher_scheme cs[];
 196 } __packed;
 197
 198 /**
 199  * struct iwl_gscan_capabilities - gscan capabilities supported by FW
 200  * @max_scan_cache_size: total space allocated for scan results (in bytes).
 201  * @max_scan_buckets: maximum number of channel buckets.
 202  * @max_ap_cache_per_scan: maximum number of APs that can be stored per scan.
 203  * @max_rssi_sample_size: number of RSSI samples used for averaging RSSI.
 204  * @max_scan_reporting_threshold: max possible report threshold. in percentage.
 205  * @max_hotlist_aps: maximum number of entries for hotlist APs.
 206  * @max_significant_change_aps: maximum number of entries for significant
 207  *      change APs.
 208  * @max_bssid_history_entries: number of BSSID/RSSI entries that the device can
 209  *      hold.
 210  * @max_hotlist_ssids: maximum number of entries for hotlist SSIDs.
 211  * @max_number_epno_networks: max number of epno entries.
 212  * @max_number_epno_networks_by_ssid: max number of epno entries if ssid is
 213  *      specified.
 214  * @max_number_of_white_listed_ssid: max number of white listed SSIDs.
 215  * @max_number_of_black_listed_ssid: max number of black listed SSIDs.
 216  */
 217 struct iwl_gscan_capabilities {
 218         u32 max_scan_cache_size;
 219         u32 max_scan_buckets;
 220         u32 max_ap_cache_per_scan;
 221         u32 max_rssi_sample_size;
 222         u32 max_scan_reporting_threshold;
 223         u32 max_hotlist_aps;
 224         u32 max_significant_change_aps;
 225         u32 max_bssid_history_entries;
 226         u32 max_hotlist_ssids;
 227         u32 max_number_epno_networks;
 228         u32 max_number_epno_networks_by_ssid;
 229         u32 max_number_of_white_listed_ssid;
 230         u32 max_number_of_black_listed_ssid;
 231 };
 232
 233 /**
 234  * enum iwl_fw_type - iwlwifi firmware type
 235  * @IWL_FW_DVM: DVM firmware
 236  * @IWL_FW_MVM: MVM firmware
 237  */
 238 enum iwl_fw_type {
 239         IWL_FW_DVM,
 240         IWL_FW_MVM,
 241 };
 242
 243 /**
 244  * struct iwl_fw - variables associated with the firmware
 245  *
 246  * @ucode_ver: ucode version from the ucode file
 247  * @fw_version: firmware version string
 248  * @img: ucode image like ucode_rt, ucode_init, ucode_wowlan.
 249  * @ucode_capa: capabilities parsed from the ucode file.
 250  * @enhance_sensitivity_table: device can do enhanced sensitivity.
 251  * @init_evtlog_ptr: event log offset for init ucode.
 252  * @init_evtlog_size: event log size for init ucode.
 253  * @init_errlog_ptr: error log offfset for init ucode.
 254  * @inst_evtlog_ptr: event log offset for runtime ucode.
 255  * @inst_evtlog_size: event log size for runtime ucode.
 256  * @inst_errlog_ptr: error log offfset for runtime ucode.
 257  * @type: firmware type (&enum iwl_fw_type)
 258  * @cipher_scheme: optional external cipher scheme.
 259  * @human_readable: human readable version
 260  * @sdio_adma_addr: the default address to set for the ADMA in SDIO mode until
 261  *      we get the ALIVE from the uCode
 262  * @dbg_dest_tlv: points to the destination TLV for debug
 263  * @dbg_conf_tlv: array of pointers to configuration TLVs for debug
 264  * @dbg_conf_tlv_len: lengths of the @dbg_conf_tlv entries
 265  * @dbg_trigger_tlv: array of pointers to triggers TLVs
 266  * @dbg_trigger_tlv_len: lengths of the @dbg_trigger_tlv entries
 267  * @dbg_dest_reg_num: num of reg_ops in %dbg_dest_tlv
 268  */
 269 struct iwl_fw {
 270         u32 ucode_ver;
 271
 272         char fw_version[ETHTOOL_FWVERS_LEN];
 273
 274         /* ucode images */
 275         struct fw_img img[IWL_UCODE_TYPE_MAX];
 276
 277         struct iwl_ucode_capabilities ucode_capa;
 278         bool enhance_sensitivity_table;
 279
 280         u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
 281         u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
 282
 283         struct iwl_tlv_calib_ctrl default_calib[IWL_UCODE_TYPE_MAX];
 284         u32 phy_config;
 285         u8 valid_tx_ant;
 286         u8 valid_rx_ant;
 287
 288         enum iwl_fw_type type;
 289
 290         struct ieee80211_cipher_scheme cs[IWL_UCODE_MAX_CS];
 291         u8 human_readable[FW_VER_HUMAN_READABLE_SZ];
 292
 293         u32 sdio_adma_addr;
 294
 295         struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv;
 296         struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX];
 297         size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX];
 298         struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX];
 299         struct iwl_fw_dbg_mem_seg_tlv *dbg_mem_tlv[FW_DBG_MEM_MAX];
 300         bool dbg_dynamic_mem;
 301         size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX];
 302         u8 dbg_dest_reg_num;
 303         struct iwl_gscan_capabilities gscan_capa;
 304 };
 305
 306 static inline const char *get_fw_dbg_mode_string(int mode)
 307 {
 308         switch (mode) {
 309         case SMEM_MODE:
 310                 return "SMEM";
 311         case EXTERNAL_MODE:
 312                 return "EXTERNAL_DRAM";
 313         case MARBH_MODE:
 314                 return "MARBH";
 315         case MIPI_MODE:
 316                 return "MIPI";
 317         default:
 318                 return "UNKNOWN";
 319         }
 320 }
 321
 322 static inline bool
 323 iwl_fw_dbg_conf_usniffer(const struct iwl_fw *fw, u8 id)
 324 {
 325         const struct iwl_fw_dbg_conf_tlv *conf_tlv = fw->dbg_conf_tlv[id];
 326
 327         if (!conf_tlv)
 328                 return false;
 329
 330         return conf_tlv->usniffer;
 331 }
 332
 333 #endif  /* __iwl_fw_h__ */