1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ 2 /* 3 * Copyright (C) 2005-2015, 2018-2020 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 12 /** 13 * enum iwl_nvm_sbands_flags - modification flags for the channel profiles 14 * 15 * @IWL_NVM_SBANDS_FLAGS_LAR: LAR is enabled 16 * @IWL_NVM_SBANDS_FLAGS_NO_WIDE_IN_5GHZ: disallow 40, 80 and 160MHz on 5GHz 17 */ 18 enum iwl_nvm_sbands_flags { 19 IWL_NVM_SBANDS_FLAGS_LAR = BIT(0), 20 IWL_NVM_SBANDS_FLAGS_NO_WIDE_IN_5GHZ = BIT(1), 21 }; 22 23 /** 24 * iwl_parse_nvm_data - parse NVM data and return values 25 * 26 * This function parses all NVM values we need and then 27 * returns a (newly allocated) struct containing all the 28 * relevant values for driver use. The struct must be freed 29 * later with iwl_free_nvm_data(). 30 */ 31 struct iwl_nvm_data * 32 iwl_parse_nvm_data(struct iwl_trans *trans, const struct iwl_cfg *cfg, 33 const struct iwl_fw *fw, 34 const __be16 *nvm_hw, const __le16 *nvm_sw, 35 const __le16 *nvm_calib, const __le16 *regulatory, 36 const __le16 *mac_override, const __le16 *phy_sku, 37 u8 tx_chains, u8 rx_chains); 38 39 /** 40 * iwl_parse_mcc_info - parse MCC (mobile country code) info coming from FW 41 * 42 * This function parses the regulatory channel data received as a 43 * MCC_UPDATE_CMD command. It returns a newly allocation regulatory domain, 44 * to be fed into the regulatory core. In case the geo_info is set handle 45 * accordingly. An ERR_PTR is returned on error. 46 * If not given to the regulatory core, the user is responsible for freeing 47 * the regdomain returned here with kfree. 48 */ 49 struct ieee80211_regdomain * 50 iwl_parse_nvm_mcc_info(struct device *dev, const struct iwl_cfg *cfg, 51 int num_of_ch, __le32 *channels, u16 fw_mcc, 52 u16 geo_info, u16 cap, u8 resp_ver); 53 54 /** 55 * struct iwl_nvm_section - describes an NVM section in memory. 56 * 57 * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD, 58 * and saved for later use by the driver. Not all NVM sections are saved 59 * this way, only the needed ones. 60 */ 61 struct iwl_nvm_section { 62 u16 length; 63 const u8 *data; 64 }; 65 66 /** 67 * iwl_read_external_nvm - Reads external NVM from a file into nvm_sections 68 */ 69 int iwl_read_external_nvm(struct iwl_trans *trans, 70 const char *nvm_file_name, 71 struct iwl_nvm_section *nvm_sections); 72 void iwl_nvm_fixups(u32 hw_id, unsigned int section, u8 *data, 73 unsigned int len); 74 75 /** 76 * iwl_get_nvm - retrieve NVM data from firmware 77 * 78 * Allocates a new iwl_nvm_data structure, fills it with 79 * NVM data, and returns it to caller. 80 */ 81 struct iwl_nvm_data *iwl_get_nvm(struct iwl_trans *trans, 82 const struct iwl_fw *fw); 83 84 #endif /* __iwl_nvm_parse_h__ */ 85