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

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   8  * Copyright(c) 2008 - 2013 Intel Corporation. All rights reserved.
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  28  *  Intel Linux Wireless <ilw@linux.intel.com>
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  61  *****************************************************************************/
  62
  63 #ifndef __iwl_fw_h__
  64 #define __iwl_fw_h__
  65 #include <linux/types.h>
  66 #include <net/mac80211.h>
  67
  68 /**
  69  * enum iwl_ucode_tlv_flag - ucode API flags
  70  * @IWL_UCODE_TLV_FLAGS_PAN: This is PAN capable microcode; this previously
  71  *      was a separate TLV but moved here to save space.
  72  * @IWL_UCODE_TLV_FLAGS_NEWSCAN: new uCode scan behaviour on hidden SSID,
  73  *      treats good CRC threshold as a boolean
  74  * @IWL_UCODE_TLV_FLAGS_MFP: This uCode image supports MFP (802.11w).
  75  * @IWL_UCODE_TLV_FLAGS_P2P: This uCode image supports P2P.
  76  * @IWL_UCODE_TLV_FLAGS_DW_BC_TABLE: The SCD byte count table is in DWORDS
  77  */
  78 enum iwl_ucode_tlv_flag {
  79         IWL_UCODE_TLV_FLAGS_PAN         = BIT(0),
  80         IWL_UCODE_TLV_FLAGS_NEWSCAN     = BIT(1),
  81         IWL_UCODE_TLV_FLAGS_MFP         = BIT(2),
  82         IWL_UCODE_TLV_FLAGS_P2P         = BIT(3),
  83         IWL_UCODE_TLV_FLAGS_DW_BC_TABLE = BIT(4),
  84 };
  85
  86 /* The default calibrate table size if not specified by firmware file */
  87 #define IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE     18
  88 #define IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE         19
  89 #define IWL_MAX_PHY_CALIBRATE_TBL_SIZE                  253
  90
  91 /**
  92  * enum iwl_ucode_type
  93  *
  94  * The type of ucode.
  95  *
  96  * @IWL_UCODE_REGULAR: Normal runtime ucode
  97  * @IWL_UCODE_INIT: Initial ucode
  98  * @IWL_UCODE_WOWLAN: Wake on Wireless enabled ucode
  99  */
 100 enum iwl_ucode_type {
 101         IWL_UCODE_REGULAR,
 102         IWL_UCODE_INIT,
 103         IWL_UCODE_WOWLAN,
 104         IWL_UCODE_TYPE_MAX,
 105 };
 106
 107 /*
 108  * enumeration of ucode section.
 109  * This enumeration is used directly for older firmware (before 16.0).
 110  * For new firmware, there can be up to 4 sections (see below) but the
 111  * first one packaged into the firmware file is the DATA section and
 112  * some debugging code accesses that.
 113  */
 114 enum iwl_ucode_sec {
 115         IWL_UCODE_SECTION_DATA,
 116         IWL_UCODE_SECTION_INST,
 117 };
 118 /*
 119  * For 16.0 uCode and above, there is no differentiation between sections,
 120  * just an offset to the HW address.
 121  */
 122 #define IWL_UCODE_SECTION_MAX 4
 123
 124 struct iwl_ucode_capabilities {
 125         u32 max_probe_length;
 126         u32 standard_phy_calibration_size;
 127         u32 flags;
 128 };
 129
 130 /* one for each uCode image (inst/data, init/runtime/wowlan) */
 131 struct fw_desc {
 132         const void *data;       /* vmalloc'ed data */
 133         u32 len;                /* size in bytes */
 134         u32 offset;             /* offset in the device */
 135 };
 136
 137 struct fw_img {
 138         struct fw_desc sec[IWL_UCODE_SECTION_MAX];
 139 };
 140
 141 /* uCode version contains 4 values: Major/Minor/API/Serial */
 142 #define IWL_UCODE_MAJOR(ver)    (((ver) & 0xFF000000) >> 24)
 143 #define IWL_UCODE_MINOR(ver)    (((ver) & 0x00FF0000) >> 16)
 144 #define IWL_UCODE_API(ver)      (((ver) & 0x0000FF00) >> 8)
 145 #define IWL_UCODE_SERIAL(ver)   ((ver) & 0x000000FF)
 146
 147 /*
 148  * Calibration control struct.
 149  * Sent as part of the phy configuration command.
 150  * @flow_trigger: bitmap for which calibrations to perform according to
 151  *              flow triggers.
 152  * @event_trigger: bitmap for which calibrations to perform according to
 153  *              event triggers.
 154  */
 155 struct iwl_tlv_calib_ctrl {
 156         __le32 flow_trigger;
 157         __le32 event_trigger;
 158 } __packed;
 159
 160 enum iwl_fw_phy_cfg {
 161         FW_PHY_CFG_RADIO_TYPE_POS = 0,
 162         FW_PHY_CFG_RADIO_TYPE = 0x3 << FW_PHY_CFG_RADIO_TYPE_POS,
 163         FW_PHY_CFG_RADIO_STEP_POS = 2,
 164         FW_PHY_CFG_RADIO_STEP = 0x3 << FW_PHY_CFG_RADIO_STEP_POS,
 165         FW_PHY_CFG_RADIO_DASH_POS = 4,
 166         FW_PHY_CFG_RADIO_DASH = 0x3 << FW_PHY_CFG_RADIO_DASH_POS,
 167         FW_PHY_CFG_TX_CHAIN_POS = 16,
 168         FW_PHY_CFG_TX_CHAIN = 0xf << FW_PHY_CFG_TX_CHAIN_POS,
 169         FW_PHY_CFG_RX_CHAIN_POS = 20,
 170         FW_PHY_CFG_RX_CHAIN = 0xf << FW_PHY_CFG_RX_CHAIN_POS,
 171 };
 172
 173 /**
 174  * struct iwl_fw - variables associated with the firmware
 175  *
 176  * @ucode_ver: ucode version from the ucode file
 177  * @fw_version: firmware version string
 178  * @img: ucode image like ucode_rt, ucode_init, ucode_wowlan.
 179  * @ucode_capa: capabilities parsed from the ucode file.
 180  * @enhance_sensitivity_table: device can do enhanced sensitivity.
 181  * @init_evtlog_ptr: event log offset for init ucode.
 182  * @init_evtlog_size: event log size for init ucode.
 183  * @init_errlog_ptr: error log offfset for init ucode.
 184  * @inst_evtlog_ptr: event log offset for runtime ucode.
 185  * @inst_evtlog_size: event log size for runtime ucode.
 186  * @inst_errlog_ptr: error log offfset for runtime ucode.
 187  * @mvm_fw: indicates this is MVM firmware
 188  */
 189 struct iwl_fw {
 190         u32 ucode_ver;
 191
 192         char fw_version[ETHTOOL_FWVERS_LEN];
 193
 194         /* ucode images */
 195         struct fw_img img[IWL_UCODE_TYPE_MAX];
 196
 197         struct iwl_ucode_capabilities ucode_capa;
 198         bool enhance_sensitivity_table;
 199
 200         u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
 201         u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
 202
 203         struct iwl_tlv_calib_ctrl default_calib[IWL_UCODE_TYPE_MAX];
 204         u32 phy_config;
 205
 206         bool mvm_fw;
 207 };
 208
 209 static inline u8 iwl_fw_valid_tx_ant(const struct iwl_fw *fw)
 210 {
 211         return (fw->phy_config & FW_PHY_CFG_TX_CHAIN) >>
 212                 FW_PHY_CFG_TX_CHAIN_POS;
 213 }
 214
 215 static inline u8 iwl_fw_valid_rx_ant(const struct iwl_fw *fw)
 216 {
 217         return (fw->phy_config & FW_PHY_CFG_RX_CHAIN) >>
 218                 FW_PHY_CFG_RX_CHAIN_POS;
 219 }
 220
 221 #endif  /* __iwl_fw_h__ */