183 lines
6.2 KiB
C
183 lines
6.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
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/*
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* Copyright (C) 2005-2015, 2018-2025 Intel Corporation
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* Copyright (C) 2016-2017 Intel Deutschland GmbH
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*/
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#ifndef __iwl_nvm_parse_h__
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#define __iwl_nvm_parse_h__
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#include <net/cfg80211.h>
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#include "iwl-nvm-utils.h"
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#include "mei/iwl-mei.h"
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/**
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* enum iwl_nvm_sbands_flags - modification flags for the channel profiles
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*
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* @IWL_NVM_SBANDS_FLAGS_LAR: LAR is enabled
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* @IWL_NVM_SBANDS_FLAGS_NO_WIDE_IN_5GHZ: disallow 40, 80 and 160MHz on 5GHz
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*/
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enum iwl_nvm_sbands_flags {
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IWL_NVM_SBANDS_FLAGS_LAR = BIT(0),
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IWL_NVM_SBANDS_FLAGS_NO_WIDE_IN_5GHZ = BIT(1),
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};
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/**
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* struct iwl_reg_capa - struct for global regulatory capabilities, Used for
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* handling the different APIs of reg_capa_flags.
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*
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* @allow_40mhz: 11n channel with a width of 40Mhz is allowed
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* for this regulatory domain.
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* @allow_80mhz: 11ac channel with a width of 80Mhz is allowed
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* for this regulatory domain (valid only in 5 and 6 Ghz).
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* @allow_160mhz: 11ac channel with a width of 160Mhz is allowed
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* for this regulatory domain (valid only in 5 and 6 Ghz).
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* @allow_320mhz: 11be channel with a width of 320Mhz is allowed
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* for this regulatory domain (valid only in 6 Ghz).
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* @disable_11ax: 11ax is forbidden for this regulatory domain.
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* @disable_11be: 11be is forbidden for this regulatory domain.
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*/
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struct iwl_reg_capa {
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bool allow_40mhz;
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bool allow_80mhz;
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bool allow_160mhz;
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bool allow_320mhz;
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bool disable_11ax;
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bool disable_11be;
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};
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/**
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* enum iwl_nvm_channel_flags - channel flags in NVM
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* @NVM_CHANNEL_VALID: channel is usable for this SKU/geo
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* @NVM_CHANNEL_IBSS: usable as an IBSS channel and deprecated
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* when %IWL_NVM_SBANDS_FLAGS_LAR enabled.
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* @NVM_CHANNEL_ALLOW_20MHZ_ACTIVITY: active scanning allowed and
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* AP allowed only in 20 MHz. Valid only
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* when %IWL_NVM_SBANDS_FLAGS_LAR enabled.
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* @NVM_CHANNEL_ACTIVE: active scanning allowed and allows IBSS
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* when %IWL_NVM_SBANDS_FLAGS_LAR enabled.
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* @NVM_CHANNEL_RADAR: radar detection required
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* @NVM_CHANNEL_INDOOR_ONLY: only indoor use is allowed
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* @NVM_CHANNEL_GO_CONCURRENT: GO operation is allowed when connected to BSS
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* on same channel on 2.4 or same UNII band on 5.2
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* @NVM_CHANNEL_UNIFORM: uniform spreading required
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* @NVM_CHANNEL_20MHZ: 20 MHz channel okay
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* @NVM_CHANNEL_40MHZ: 40 MHz channel okay
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* @NVM_CHANNEL_80MHZ: 80 MHz channel okay
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* @NVM_CHANNEL_160MHZ: 160 MHz channel okay
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* @NVM_CHANNEL_DC_HIGH: DC HIGH required/allowed (?)
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* @NVM_CHANNEL_VLP: client support connection to UHB VLP AP
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* @NVM_CHANNEL_AFC: client support connection to UHB AFC AP
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* @NVM_CHANNEL_VLP_AP_NOT_ALLOWED: UHB VLP AP not allowed,
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* Valid only when %NVM_CHANNEL_VLP is enabled.
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*/
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enum iwl_nvm_channel_flags {
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NVM_CHANNEL_VALID = BIT(0),
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NVM_CHANNEL_IBSS = BIT(1),
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NVM_CHANNEL_ALLOW_20MHZ_ACTIVITY = BIT(2),
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NVM_CHANNEL_ACTIVE = BIT(3),
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NVM_CHANNEL_RADAR = BIT(4),
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NVM_CHANNEL_INDOOR_ONLY = BIT(5),
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NVM_CHANNEL_GO_CONCURRENT = BIT(6),
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NVM_CHANNEL_UNIFORM = BIT(7),
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NVM_CHANNEL_20MHZ = BIT(8),
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NVM_CHANNEL_40MHZ = BIT(9),
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NVM_CHANNEL_80MHZ = BIT(10),
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NVM_CHANNEL_160MHZ = BIT(11),
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NVM_CHANNEL_DC_HIGH = BIT(12),
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NVM_CHANNEL_VLP = BIT(13),
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NVM_CHANNEL_AFC = BIT(14),
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NVM_CHANNEL_VLP_AP_NOT_ALLOWED = BIT(15),
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};
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#if IS_ENABLED(CONFIG_IWLWIFI_KUNIT_TESTS)
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u32 iwl_nvm_get_regdom_bw_flags(const u16 *nvm_chan,
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int ch_idx, u16 nvm_flags,
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struct iwl_reg_capa reg_capa);
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#endif
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/*
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* iwl_parse_nvm_data - parse NVM data and return values
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*
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* This function parses all NVM values we need and then
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* returns a (newly allocated) struct containing all the
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* relevant values for driver use. The struct must be freed
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* later with iwl_free_nvm_data().
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*/
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struct iwl_nvm_data *
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iwl_parse_nvm_data(struct iwl_trans *trans, const struct iwl_rf_cfg *cfg,
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const struct iwl_fw *fw,
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const __be16 *nvm_hw, const __le16 *nvm_sw,
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const __le16 *nvm_calib, const __le16 *regulatory,
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const __le16 *mac_override, const __le16 *phy_sku,
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u8 tx_chains, u8 rx_chains);
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/**
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* iwl_parse_nvm_mcc_info - parse MCC (mobile country code) info coming from FW
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*
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* This function parses the regulatory channel data received as a
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* MCC_UPDATE_CMD command. It returns a newly allocation regulatory domain,
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* to be fed into the regulatory core. In case the geo_info is set handle
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* accordingly. An ERR_PTR is returned on error.
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* If not given to the regulatory core, the user is responsible for freeing
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* the regdomain returned here with kfree.
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*
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* @trans: the transport
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* @num_of_ch: the number of channels
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* @channels: channel map
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* @fw_mcc: firmware country code
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* @geo_info: geo info value
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* @cap: capability
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* @resp_ver: FW response version
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*/
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struct ieee80211_regdomain *
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iwl_parse_nvm_mcc_info(struct iwl_trans *trans,
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int num_of_ch, __le32 *channels, u16 fw_mcc,
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u16 geo_info, u32 cap, u8 resp_ver);
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/**
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* struct iwl_nvm_section - describes an NVM section in memory.
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*
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* This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD,
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* and saved for later use by the driver. Not all NVM sections are saved
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* this way, only the needed ones.
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*/
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struct iwl_nvm_section {
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u16 length;
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const u8 *data;
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};
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/**
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* iwl_read_external_nvm - Reads external NVM from a file into nvm_sections
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*/
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int iwl_read_external_nvm(struct iwl_trans *trans,
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const char *nvm_file_name,
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struct iwl_nvm_section *nvm_sections);
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void iwl_nvm_fixups(u32 hw_id, unsigned int section, u8 *data,
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unsigned int len);
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/*
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* iwl_get_nvm - retrieve NVM data from firmware
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*
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* Allocates a new iwl_nvm_data structure, fills it with
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* NVM data, and returns it to caller.
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*/
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struct iwl_nvm_data *iwl_get_nvm(struct iwl_trans *trans,
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const struct iwl_fw *fw,
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u8 set_tx_ant, u8 set_rx_ant);
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/*
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* iwl_parse_mei_nvm_data - parse the mei_nvm_data and get an iwl_nvm_data
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*/
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struct iwl_nvm_data *
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iwl_parse_mei_nvm_data(struct iwl_trans *trans, const struct iwl_rf_cfg *cfg,
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const struct iwl_mei_nvm *mei_nvm,
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const struct iwl_fw *fw, u8 set_tx_ant, u8 set_rx_ant);
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/*
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* iwl_reinit_cab - to be called when the tx_chains or rx_chains are modified
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*/
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void iwl_reinit_cab(struct iwl_trans *trans, struct iwl_nvm_data *data,
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u8 tx_chains, u8 rx_chains, const struct iwl_fw *fw);
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#endif /* __iwl_nvm_parse_h__ */
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