diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.h')
-rw-r--r-- | drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.h b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.h new file mode 100644 index 000000000..e01f7751c --- /dev/null +++ b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.h @@ -0,0 +1,93 @@ +/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ +/* + * Copyright (C) 2005-2015, 2018-2021 Intel Corporation + * Copyright (C) 2016-2017 Intel Deutschland GmbH + */ +#ifndef __iwl_nvm_parse_h__ +#define __iwl_nvm_parse_h__ + +#include <net/cfg80211.h> +#include "iwl-eeprom-parse.h" +#include "mei/iwl-mei.h" + +/** + * enum iwl_nvm_sbands_flags - modification flags for the channel profiles + * + * @IWL_NVM_SBANDS_FLAGS_LAR: LAR is enabled + * @IWL_NVM_SBANDS_FLAGS_NO_WIDE_IN_5GHZ: disallow 40, 80 and 160MHz on 5GHz + */ +enum iwl_nvm_sbands_flags { + IWL_NVM_SBANDS_FLAGS_LAR = BIT(0), + IWL_NVM_SBANDS_FLAGS_NO_WIDE_IN_5GHZ = BIT(1), +}; + +/** + * iwl_parse_nvm_data - parse NVM data and return values + * + * This function parses all NVM values we need and then + * returns a (newly allocated) struct containing all the + * relevant values for driver use. The struct must be freed + * later with iwl_free_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_parse_mcc_info - parse MCC (mobile country code) info coming from FW + * + * This function parses the regulatory channel data received as a + * MCC_UPDATE_CMD command. It returns a newly allocation regulatory domain, + * to be fed into the regulatory core. In case the geo_info is set handle + * accordingly. An ERR_PTR is returned on error. + * If not given to the regulatory core, the user is responsible for freeing + * the regdomain returned here with kfree. + */ +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, u16 cap, u8 resp_ver); + +/** + * struct iwl_nvm_section - describes an NVM section in memory. + * + * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD, + * and saved for later use by the driver. Not all NVM sections are saved + * this way, only the needed ones. + */ +struct iwl_nvm_section { + u16 length; + const u8 *data; +}; + +/** + * iwl_read_external_nvm - Reads external NVM from a file into nvm_sections + */ +int iwl_read_external_nvm(struct iwl_trans *trans, + const char *nvm_file_name, + struct iwl_nvm_section *nvm_sections); +void iwl_nvm_fixups(u32 hw_id, unsigned int section, u8 *data, + unsigned int len); + +/** + * iwl_get_nvm - retrieve NVM data from firmware + * + * Allocates a new iwl_nvm_data structure, fills it with + * NVM data, and returns it to caller. + */ +struct iwl_nvm_data *iwl_get_nvm(struct iwl_trans *trans, + const struct iwl_fw *fw); + +/** + * iwl_parse_mei_nvm_data - parse the mei_nvm_data and get an iwl_nvm_data + */ +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); + +#endif /* __iwl_nvm_parse_h__ */ |