drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.h

   1 /******************************************************************************
   2  *
   3  * This file is provided under a dual BSD/GPLv2 license.  When using or
   4  * redistributing this file, you may do so under either license.
   5  *
   6  * GPL LICENSE SUMMARY
   7  *
   8  * Copyright(c) 2008 - 2015 Intel Corporation. All rights reserved.
   9  * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
  10  * Copyright(c) 2018 - 2019 Intel Corporation
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of version 2 of the GNU General Public License as
  14  * published by the Free Software Foundation.
  15  *
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  19  * General Public License for more details.
  20  *
  21  * The full GNU General Public License is included in this distribution
  22  * in the file called COPYING.
  23  *
  24  * Contact Information:
  25  *  Intel Linux Wireless <linuxwifi@intel.com>
  26  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  27  *
  28  * BSD LICENSE
  29  *
  30  * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
  31  * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
  32  * Copyright(c) 2018 - 2019 Intel Corporation
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  60  *****************************************************************************/
  61 #ifndef __iwl_nvm_parse_h__
  62 #define __iwl_nvm_parse_h__
  63
  64 #include <net/cfg80211.h>
  65 #include "iwl-eeprom-parse.h"
  66
  67 /**
  68  * enum iwl_nvm_sbands_flags - modification flags for the channel profiles
  69  *
  70  * @IWL_NVM_SBANDS_FLAGS_LAR: LAR is enabled
  71  * @IWL_NVM_SBANDS_FLAGS_NO_WIDE_IN_5GHZ: disallow 40, 80 and 160MHz on 5GHz
  72  */
  73 enum iwl_nvm_sbands_flags {
  74         IWL_NVM_SBANDS_FLAGS_LAR                = BIT(0),
  75         IWL_NVM_SBANDS_FLAGS_NO_WIDE_IN_5GHZ    = BIT(1),
  76 };
  77
  78 /**
  79  * iwl_parse_nvm_data - parse NVM data and return values
  80  *
  81  * This function parses all NVM values we need and then
  82  * returns a (newly allocated) struct containing all the
  83  * relevant values for driver use. The struct must be freed
  84  * later with iwl_free_nvm_data().
  85  */
  86 struct iwl_nvm_data *
  87 iwl_parse_nvm_data(struct iwl_trans *trans, const struct iwl_cfg *cfg,
  88                    const struct iwl_fw *fw,
  89                    const __be16 *nvm_hw, const __le16 *nvm_sw,
  90                    const __le16 *nvm_calib, const __le16 *regulatory,
  91                    const __le16 *mac_override, const __le16 *phy_sku,
  92                    u8 tx_chains, u8 rx_chains);
  93
  94 /**
  95  * iwl_parse_mcc_info - parse MCC (mobile country code) info coming from FW
  96  *
  97  * This function parses the regulatory channel data received as a
  98  * MCC_UPDATE_CMD command. It returns a newly allocation regulatory domain,
  99  * to be fed into the regulatory core. In case the geo_info is set handle
 100  * accordingly. An ERR_PTR is returned on error.
 101  * If not given to the regulatory core, the user is responsible for freeing
 102  * the regdomain returned here with kfree.
 103  */
 104 struct ieee80211_regdomain *
 105 iwl_parse_nvm_mcc_info(struct device *dev, const struct iwl_cfg *cfg,
 106                        int num_of_ch, __le32 *channels, u16 fw_mcc,
 107                        u16 geo_info, u16 cap);
 108
 109 /**
 110  * struct iwl_nvm_section - describes an NVM section in memory.
 111  *
 112  * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD,
 113  * and saved for later use by the driver. Not all NVM sections are saved
 114  * this way, only the needed ones.
 115  */
 116 struct iwl_nvm_section {
 117         u16 length;
 118         const u8 *data;
 119 };
 120
 121 /**
 122  * iwl_read_external_nvm - Reads external NVM from a file into nvm_sections
 123  */
 124 int iwl_read_external_nvm(struct iwl_trans *trans,
 125                           const char *nvm_file_name,
 126                           struct iwl_nvm_section *nvm_sections);
 127 void iwl_nvm_fixups(u32 hw_id, unsigned int section, u8 *data,
 128                     unsigned int len);
 129
 130 /**
 131  * iwl_get_nvm - retrieve NVM data from firmware
 132  *
 133  * Allocates a new iwl_nvm_data structure, fills it with
 134  * NVM data, and returns it to caller.
 135  */
 136 struct iwl_nvm_data *iwl_get_nvm(struct iwl_trans *trans,
 137                                  const struct iwl_fw *fw);
 138 #endif /* __iwl_nvm_parse_h__ */