// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause /* * Copyright (C) 2005-2014, 2018-2023 Intel Corporation * Copyright (C) 2013-2015 Intel Mobile Communications GmbH * Copyright (C) 2016-2017 Intel Deutschland GmbH */ #include <linux/types.h> #include <linux/slab.h> #include <linux/export.h> #include <linux/etherdevice.h> #include <linux/pci.h> #include <linux/firmware.h> #include "iwl-drv.h" #include "iwl-modparams.h" #include "iwl-nvm-parse.h" #include "iwl-prph.h" #include "iwl-io.h" #include "iwl-csr.h" #include "fw/acpi.h" #include "fw/api/nvm-reg.h" #include "fw/api/commands.h" #include "fw/api/cmdhdr.h" #include "fw/img.h" #include "mei/iwl-mei.h" /* NVM offsets (in words) definitions */ enum nvm_offsets { … }; enum ext_nvm_offsets { … }; /* SKU Capabilities (actual values from NVM definition) */ enum nvm_sku_bits { … }; /* * These are the channel numbers in the order that they are stored in the NVM */ static const u16 iwl_nvm_channels[] = …; static const u16 iwl_ext_nvm_channels[] = …; static const u16 iwl_uhb_nvm_channels[] = …; #define IWL_NVM_NUM_CHANNELS … #define IWL_NVM_NUM_CHANNELS_EXT … #define IWL_NVM_NUM_CHANNELS_UHB … #define NUM_2GHZ_CHANNELS … #define NUM_5GHZ_CHANNELS … #define FIRST_2GHZ_HT_MINUS … #define LAST_2GHZ_HT_PLUS … #define N_HW_ADDR_MASK … /* rate data (static) */ static struct ieee80211_rate iwl_cfg80211_rates[] = …; #define RATES_24_OFFS … #define N_RATES_24 … #define RATES_52_OFFS … #define N_RATES_52 … /** * enum iwl_nvm_channel_flags - channel flags in NVM * @NVM_CHANNEL_VALID: channel is usable for this SKU/geo * @NVM_CHANNEL_IBSS: usable as an IBSS channel * @NVM_CHANNEL_ACTIVE: active scanning allowed * @NVM_CHANNEL_RADAR: radar detection required * @NVM_CHANNEL_INDOOR_ONLY: only indoor use is allowed * @NVM_CHANNEL_GO_CONCURRENT: GO operation is allowed when connected to BSS * on same channel on 2.4 or same UNII band on 5.2 * @NVM_CHANNEL_UNIFORM: uniform spreading required * @NVM_CHANNEL_20MHZ: 20 MHz channel okay * @NVM_CHANNEL_40MHZ: 40 MHz channel okay * @NVM_CHANNEL_80MHZ: 80 MHz channel okay * @NVM_CHANNEL_160MHZ: 160 MHz channel okay * @NVM_CHANNEL_DC_HIGH: DC HIGH required/allowed (?) * @NVM_CHANNEL_VLP: client support connection to UHB VLP AP * @NVM_CHANNEL_AFC: client support connection to UHB AFC AP */ enum iwl_nvm_channel_flags { … }; /** * enum iwl_reg_capa_flags_v1 - global flags applied for the whole regulatory * domain. * @REG_CAPA_V1_BF_CCD_LOW_BAND: Beam-forming or Cyclic Delay Diversity in the * 2.4Ghz band is allowed. * @REG_CAPA_V1_BF_CCD_HIGH_BAND: Beam-forming or Cyclic Delay Diversity in the * 5Ghz band is allowed. * @REG_CAPA_V1_160MHZ_ALLOWED: 11ac channel with a width of 160Mhz is allowed * for this regulatory domain (valid only in 5Ghz). * @REG_CAPA_V1_80MHZ_ALLOWED: 11ac channel with a width of 80Mhz is allowed * for this regulatory domain (valid only in 5Ghz). * @REG_CAPA_V1_MCS_8_ALLOWED: 11ac with MCS 8 is allowed. * @REG_CAPA_V1_MCS_9_ALLOWED: 11ac with MCS 9 is allowed. * @REG_CAPA_V1_40MHZ_FORBIDDEN: 11n channel with a width of 40Mhz is forbidden * for this regulatory domain (valid only in 5Ghz). * @REG_CAPA_V1_DC_HIGH_ENABLED: DC HIGH allowed. * @REG_CAPA_V1_11AX_DISABLED: 11ax is forbidden for this regulatory domain. */ enum iwl_reg_capa_flags_v1 { … }; /* GEO_CHANNEL_CAPABILITIES_API_S_VER_1 */ /** * enum iwl_reg_capa_flags_v2 - global flags applied for the whole regulatory * domain (version 2). * @REG_CAPA_V2_STRADDLE_DISABLED: Straddle channels (144, 142, 138) are * disabled. * @REG_CAPA_V2_BF_CCD_LOW_BAND: Beam-forming or Cyclic Delay Diversity in the * 2.4Ghz band is allowed. * @REG_CAPA_V2_BF_CCD_HIGH_BAND: Beam-forming or Cyclic Delay Diversity in the * 5Ghz band is allowed. * @REG_CAPA_V2_160MHZ_ALLOWED: 11ac channel with a width of 160Mhz is allowed * for this regulatory domain (valid only in 5Ghz). * @REG_CAPA_V2_80MHZ_ALLOWED: 11ac channel with a width of 80Mhz is allowed * for this regulatory domain (valid only in 5Ghz). * @REG_CAPA_V2_MCS_8_ALLOWED: 11ac with MCS 8 is allowed. * @REG_CAPA_V2_MCS_9_ALLOWED: 11ac with MCS 9 is allowed. * @REG_CAPA_V2_WEATHER_DISABLED: Weather radar channels (120, 124, 128, 118, * 126, 122) are disabled. * @REG_CAPA_V2_40MHZ_ALLOWED: 11n channel with a width of 40Mhz is allowed * for this regulatory domain (uvalid only in 5Ghz). * @REG_CAPA_V2_11AX_DISABLED: 11ax is forbidden for this regulatory domain. */ enum iwl_reg_capa_flags_v2 { … }; /* GEO_CHANNEL_CAPABILITIES_API_S_VER_2 */ /** * enum iwl_reg_capa_flags_v4 - global flags applied for the whole regulatory * domain. * @REG_CAPA_V4_160MHZ_ALLOWED: 11ac channel with a width of 160Mhz is allowed * for this regulatory domain (valid only in 5Ghz). * @REG_CAPA_V4_80MHZ_ALLOWED: 11ac channel with a width of 80Mhz is allowed * for this regulatory domain (valid only in 5Ghz). * @REG_CAPA_V4_MCS_12_ALLOWED: 11ac with MCS 12 is allowed. * @REG_CAPA_V4_MCS_13_ALLOWED: 11ac with MCS 13 is allowed. * @REG_CAPA_V4_11BE_DISABLED: 11be is forbidden for this regulatory domain. * @REG_CAPA_V4_11AX_DISABLED: 11ax is forbidden for this regulatory domain. * @REG_CAPA_V4_320MHZ_ALLOWED: 11be channel with a width of 320Mhz is allowed * for this regulatory domain (valid only in 5GHz). */ enum iwl_reg_capa_flags_v4 { … }; /* GEO_CHANNEL_CAPABILITIES_API_S_VER_4 */ /* * API v2 for reg_capa_flags is relevant from version 6 and onwards of the * MCC update command response. */ #define REG_CAPA_V2_RESP_VER … /* API v4 for reg_capa_flags is relevant from version 8 and onwards of the * MCC update command response. */ #define REG_CAPA_V4_RESP_VER … /** * struct iwl_reg_capa - struct for global regulatory capabilities, Used for * handling the different APIs of reg_capa_flags. * * @allow_40mhz: 11n channel with a width of 40Mhz is allowed * for this regulatory domain. * @allow_80mhz: 11ac channel with a width of 80Mhz is allowed * for this regulatory domain (valid only in 5 and 6 Ghz). * @allow_160mhz: 11ac channel with a width of 160Mhz is allowed * for this regulatory domain (valid only in 5 and 6 Ghz). * @allow_320mhz: 11be channel with a width of 320Mhz is allowed * for this regulatory domain (valid only in 6 Ghz). * @disable_11ax: 11ax is forbidden for this regulatory domain. * @disable_11be: 11be is forbidden for this regulatory domain. */ struct iwl_reg_capa { … }; static inline void iwl_nvm_print_channel_flags(struct device *dev, u32 level, int chan, u32 flags) { … } static u32 iwl_get_channel_flags(u8 ch_num, int ch_idx, enum nl80211_band band, u32 nvm_flags, const struct iwl_cfg *cfg) { … } static enum nl80211_band iwl_nl80211_band_from_channel_idx(int ch_idx) { … } static int iwl_init_channel_map(struct iwl_trans *trans, const struct iwl_fw *fw, struct iwl_nvm_data *data, const void * const nvm_ch_flags, u32 sbands_flags, bool v4) { … } static void iwl_init_vht_hw_capab(struct iwl_trans *trans, struct iwl_nvm_data *data, struct ieee80211_sta_vht_cap *vht_cap, u8 tx_chains, u8 rx_chains) { … } static const u8 iwl_vendor_caps[] = …; static const struct ieee80211_sband_iftype_data iwl_he_eht_capa[] = …; static void iwl_init_he_6ghz_capa(struct iwl_trans *trans, struct iwl_nvm_data *data, struct ieee80211_supported_band *sband, u8 tx_chains, u8 rx_chains) { … } static void iwl_nvm_fixup_sband_iftd(struct iwl_trans *trans, struct iwl_nvm_data *data, struct ieee80211_supported_band *sband, struct ieee80211_sband_iftype_data *iftype_data, u8 tx_chains, u8 rx_chains, const struct iwl_fw *fw) { … } static void iwl_init_he_hw_capab(struct iwl_trans *trans, struct iwl_nvm_data *data, struct ieee80211_supported_band *sband, u8 tx_chains, u8 rx_chains, const struct iwl_fw *fw) { … } void iwl_reinit_cab(struct iwl_trans *trans, struct iwl_nvm_data *data, u8 tx_chains, u8 rx_chains, const struct iwl_fw *fw) { … } IWL_EXPORT_SYMBOL(iwl_reinit_cab); static void iwl_init_sbands(struct iwl_trans *trans, struct iwl_nvm_data *data, const void *nvm_ch_flags, u8 tx_chains, u8 rx_chains, u32 sbands_flags, bool v4, const struct iwl_fw *fw) { … } static int iwl_get_sku(const struct iwl_cfg *cfg, const __le16 *nvm_sw, const __le16 *phy_sku) { … } static int iwl_get_nvm_version(const struct iwl_cfg *cfg, const __le16 *nvm_sw) { … } static int iwl_get_radio_cfg(const struct iwl_cfg *cfg, const __le16 *nvm_sw, const __le16 *phy_sku) { … } static int iwl_get_n_hw_addrs(const struct iwl_cfg *cfg, const __le16 *nvm_sw) { … } static void iwl_set_radio_cfg(const struct iwl_cfg *cfg, struct iwl_nvm_data *data, u32 radio_cfg) { … } static void iwl_flip_hw_address(__le32 mac_addr0, __le32 mac_addr1, u8 *dest) { … } static void iwl_set_hw_address_from_csr(struct iwl_trans *trans, struct iwl_nvm_data *data) { … } static void iwl_set_hw_address_family_8000(struct iwl_trans *trans, const struct iwl_cfg *cfg, struct iwl_nvm_data *data, const __le16 *mac_override, const __be16 *nvm_hw) { … } static int iwl_set_hw_address(struct iwl_trans *trans, const struct iwl_cfg *cfg, struct iwl_nvm_data *data, const __be16 *nvm_hw, const __le16 *mac_override) { … } static bool iwl_nvm_no_wide_in_5ghz(struct iwl_trans *trans, const struct iwl_cfg *cfg, const __be16 *nvm_hw) { … } 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, u8 tx_ant, u8 rx_ant) { … } IWL_EXPORT_SYMBOL(iwl_parse_mei_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_EXPORT_SYMBOL(iwl_parse_nvm_data); static u32 iwl_nvm_get_regdom_bw_flags(const u16 *nvm_chan, int ch_idx, u16 nvm_flags, struct iwl_reg_capa reg_capa, const struct iwl_cfg *cfg) { … } static struct iwl_reg_capa iwl_get_reg_capa(u32 flags, u8 resp_ver) { … } 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, u32 cap, u8 resp_ver) { … } IWL_EXPORT_SYMBOL(iwl_parse_nvm_mcc_info); #define IWL_MAX_NVM_SECTION_SIZE … #define IWL_MAX_EXT_NVM_SECTION_SIZE … #define MAX_NVM_FILE_LEN … void iwl_nvm_fixups(u32 hw_id, unsigned int section, u8 *data, unsigned int len) { … } IWL_EXPORT_SYMBOL(iwl_nvm_fixups); /* * Reads external NVM from a file into mvm->nvm_sections * * HOW TO CREATE THE NVM FILE FORMAT: * ------------------------------ * 1. create hex file, format: * 3800 -> header * 0000 -> header * 5a40 -> data * * rev - 6 bit (word1) * len - 10 bit (word1) * id - 4 bit (word2) * rsv - 12 bit (word2) * * 2. flip 8bits with 8 bits per line to get the right NVM file format * * 3. create binary file from the hex file * * 4. save as "iNVM_xxx.bin" under /lib/firmware */ int iwl_read_external_nvm(struct iwl_trans *trans, const char *nvm_file_name, struct iwl_nvm_section *nvm_sections) { … } IWL_EXPORT_SYMBOL(iwl_read_external_nvm); struct iwl_nvm_data *iwl_get_nvm(struct iwl_trans *trans, const struct iwl_fw *fw, u8 set_tx_ant, u8 set_rx_ant) { … } IWL_EXPORT_SYMBOL(iwl_get_nvm);
Codebase Browser
linux