linux/linux-5.4.31/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.h

138 lines
5.4 KiB
C

/******************************************************************************
*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* GPL LICENSE SUMMARY
*
* Copyright(c) 2008 - 2015 Intel Corporation. All rights reserved.
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
* Copyright(c) 2018 - 2019 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* The full GNU General Public License is included in this distribution
* in the file called COPYING.
*
* Contact Information:
* Intel Linux Wireless <linuxwifi@intel.com>
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*
* BSD LICENSE
*
* Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
* Copyright(c) 2018 - 2019 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*****************************************************************************/
#ifndef __iwl_nvm_parse_h__
#define __iwl_nvm_parse_h__
#include <net/cfg80211.h>
#include "iwl-eeprom-parse.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 __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, bool lar_fw_supported);
/**
* 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);
/**
* 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);
#endif /* __iwl_nvm_parse_h__ */