1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ 2 /* 3 * Copyright (C) 2005-2015, 2018-2021 Intel Corporation 4 * Copyright (C) 2016-2017 Intel Deutschland GmbH 5 */ 6 #ifndef __iwl_nvm_parse_h__ 7 #define __iwl_nvm_parse_h__ 8 9 #include <net/cfg80211.h> 10 #include "iwl-eeprom-parse.h" 11 #include "mei/iwl-mei.h" 12 13 /** 14 * enum iwl_nvm_sbands_flags - modification flags for the channel profiles 15 * 16 * @IWL_NVM_SBANDS_FLAGS_LAR: LAR is enabled 17 * @IWL_NVM_SBANDS_FLAGS_NO_WIDE_IN_5GHZ: disallow 40, 80 and 160MHz on 5GHz 18 */ 19 enum iwl_nvm_sbands_flags { 20 IWL_NVM_SBANDS_FLAGS_LAR = BIT(0), 21 IWL_NVM_SBANDS_FLAGS_NO_WIDE_IN_5GHZ = BIT(1), 22 }; 23 24 /** 25 * iwl_parse_nvm_data - parse NVM data and return values 26 * 27 * This function parses all NVM values we need and then 28 * returns a (newly allocated) struct containing all the 29 * relevant values for driver use. The struct must be freed 30 * later with iwl_free_nvm_data(). 31 */ 32 struct iwl_nvm_data * 33 iwl_parse_nvm_data(struct iwl_trans *trans, const struct iwl_cfg *cfg, 34 const struct iwl_fw *fw, 35 const __be16 *nvm_hw, const __le16 *nvm_sw, 36 const __le16 *nvm_calib, const __le16 *regulatory, 37 const __le16 *mac_override, const __le16 *phy_sku, 38 u8 tx_chains, u8 rx_chains); 39 40 /** 41 * iwl_parse_mcc_info - parse MCC (mobile country code) info coming from FW 42 * 43 * This function parses the regulatory channel data received as a 44 * MCC_UPDATE_CMD command. It returns a newly allocation regulatory domain, 45 * to be fed into the regulatory core. In case the geo_info is set handle 46 * accordingly. An ERR_PTR is returned on error. 47 * If not given to the regulatory core, the user is responsible for freeing 48 * the regdomain returned here with kfree. 49 */ 50 struct ieee80211_regdomain * 51 iwl_parse_nvm_mcc_info(struct device *dev, const struct iwl_cfg *cfg, 52 int num_of_ch, __le32 *channels, u16 fw_mcc, 53 u16 geo_info, u16 cap, u8 resp_ver); 54 55 /** 56 * struct iwl_nvm_section - describes an NVM section in memory. 57 * 58 * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD, 59 * and saved for later use by the driver. Not all NVM sections are saved 60 * this way, only the needed ones. 61 */ 62 struct iwl_nvm_section { 63 u16 length; 64 const u8 *data; 65 }; 66 67 /** 68 * iwl_read_external_nvm - Reads external NVM from a file into nvm_sections 69 */ 70 int iwl_read_external_nvm(struct iwl_trans *trans, 71 const char *nvm_file_name, 72 struct iwl_nvm_section *nvm_sections); 73 void iwl_nvm_fixups(u32 hw_id, unsigned int section, u8 *data, 74 unsigned int len); 75 76 /** 77 * iwl_get_nvm - retrieve NVM data from firmware 78 * 79 * Allocates a new iwl_nvm_data structure, fills it with 80 * NVM data, and returns it to caller. 81 */ 82 struct iwl_nvm_data *iwl_get_nvm(struct iwl_trans *trans, 83 const struct iwl_fw *fw); 84 85 /** 86 * iwl_parse_mei_nvm_data - parse the mei_nvm_data and get an iwl_nvm_data 87 */ 88 struct iwl_nvm_data * 89 iwl_parse_mei_nvm_data(struct iwl_trans *trans, const struct iwl_cfg *cfg, 90 const struct iwl_mei_nvm *mei_nvm, 91 const struct iwl_fw *fw); 92 93 #endif /* __iwl_nvm_parse_h__ */ 94