FreeBSD/Linux Kernel Cross Reference
sys/contrib/dev/iwlwifi/iwl-nvm-parse.h

     /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
     /*
      * Copyright (C) 2005-2015, 2018-2021 Intel Corporation
      * Copyright (C) 2016-2017 Intel Deutschland GmbH
      */
     #ifndef __iwl_nvm_parse_h__
     #define __iwl_nvm_parse_h__
     
     #include <net/cfg80211.h>
    #include "iwl-eeprom-parse.h"
    #include "mei/iwl-mei.h"
    
    /**
     * enum iwl_nvm_sbands_flags - modification flags for the channel profiles
     *
     * @IWL_NVM_SBANDS_FLAGS_LAR: LAR is enabled
     * @IWL_NVM_SBANDS_FLAGS_NO_WIDE_IN_5GHZ: disallow 40, 80 and 160MHz on 5GHz
     */
    enum iwl_nvm_sbands_flags {
            IWL_NVM_SBANDS_FLAGS_LAR                = BIT(0),
            IWL_NVM_SBANDS_FLAGS_NO_WIDE_IN_5GHZ    = BIT(1),
    };
    
    /**
     * iwl_parse_nvm_data - parse NVM data and return values
     *
     * This function parses all NVM values we need and then
     * returns a (newly allocated) struct containing all the
     * relevant values for driver use. The struct must be freed
     * later with iwl_free_nvm_data().
     */
    struct iwl_nvm_data *
    iwl_parse_nvm_data(struct iwl_trans *trans, const struct iwl_cfg *cfg,
                       const struct iwl_fw *fw,
                       const __be16 *nvm_hw, const __le16 *nvm_sw,
                       const __le16 *nvm_calib, const __le16 *regulatory,
                       const __le16 *mac_override, const __le16 *phy_sku,
                       u8 tx_chains, u8 rx_chains);
    
    /**
     * iwl_parse_mcc_info - parse MCC (mobile country code) info coming from FW
     *
     * This function parses the regulatory channel data received as a
     * MCC_UPDATE_CMD command. It returns a newly allocation regulatory domain,
     * to be fed into the regulatory core. In case the geo_info is set handle
     * accordingly. An ERR_PTR is returned on error.
     * If not given to the regulatory core, the user is responsible for freeing
     * the regdomain returned here with kfree.
     */
    struct ieee80211_regdomain *
    iwl_parse_nvm_mcc_info(struct device *dev, const struct iwl_cfg *cfg,
                           int num_of_ch, __le32 *channels, u16 fw_mcc,
                           u16 geo_info, u16 cap, u8 resp_ver);
    
    /**
     * struct iwl_nvm_section - describes an NVM section in memory.
     *
     * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD,
     * and saved for later use by the driver. Not all NVM sections are saved
     * this way, only the needed ones.
     */
    struct iwl_nvm_section {
            u16 length;
            const u8 *data;
    };
    
    /**
     * iwl_read_external_nvm - Reads external NVM from a file into nvm_sections
     */
    int iwl_read_external_nvm(struct iwl_trans *trans,
                              const char *nvm_file_name,
                              struct iwl_nvm_section *nvm_sections);
    void iwl_nvm_fixups(u32 hw_id, unsigned int section, u8 *data,
                        unsigned int len);
    
    /**
     * iwl_get_nvm - retrieve NVM data from firmware
     *
     * Allocates a new iwl_nvm_data structure, fills it with
     * NVM data, and returns it to caller.
     */
    struct iwl_nvm_data *iwl_get_nvm(struct iwl_trans *trans,
                                     const struct iwl_fw *fw);
    
    /**
     * iwl_parse_mei_nvm_data - parse the mei_nvm_data and get an iwl_nvm_data
     */
    struct iwl_nvm_data *
    iwl_parse_mei_nvm_data(struct iwl_trans *trans, const struct iwl_cfg *cfg,
                           const struct iwl_mei_nvm *mei_nvm,
                           const struct iwl_fw *fw);
    
    #endif /* __iwl_nvm_parse_h__ */

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