1 /****************************************************************************** 2 * 3 * This file is provided under a dual BSD/GPLv2 license. When using or 4 * redistributing this file, you may do so under either license. 5 * 6 * GPL LICENSE SUMMARY 7 * 8 * Copyright(c) 2008 - 2015 Intel Corporation. All rights reserved. 9 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH 10 * Copyright(c) 2018 - 2019 Intel Corporation 11 * 12 * This program is free software; you can redistribute it and/or modify 13 * it under the terms of version 2 of the GNU General Public License as 14 * published by the Free Software Foundation. 15 * 16 * This program is distributed in the hope that it will be useful, but 17 * WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 19 * General Public License for more details. 20 * 21 * You should have received a copy of the GNU General Public License 22 * along with this program; if not, write to the Free Software 23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, 24 * USA 25 * 26 * The full GNU General Public License is included in this distribution 27 * in the file called COPYING. 28 * 29 * Contact Information: 30 * Intel Linux Wireless <linuxwifi@intel.com> 31 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 32 * 33 * BSD LICENSE 34 * 35 * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved. 36 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH 37 * Copyright(c) 2018 - 2019 Intel Corporation 38 * All rights reserved. 39 * 40 * Redistribution and use in source and binary forms, with or without 41 * modification, are permitted provided that the following conditions 42 * are met: 43 * 44 * * Redistributions of source code must retain the above copyright 45 * notice, this list of conditions and the following disclaimer. 46 * * Redistributions in binary form must reproduce the above copyright 47 * notice, this list of conditions and the following disclaimer in 48 * the documentation and/or other materials provided with the 49 * distribution. 50 * * Neither the name Intel Corporation nor the names of its 51 * contributors may be used to endorse or promote products derived 52 * from this software without specific prior written permission. 53 * 54 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 55 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 56 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 57 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 58 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 59 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 60 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 61 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 62 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 63 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 64 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 65 *****************************************************************************/ 66 #ifndef __iwl_nvm_parse_h__ 67 #define __iwl_nvm_parse_h__ 68 69 #include <net/cfg80211.h> 70 #include "iwl-eeprom-parse.h" 71 72 /** 73 * enum iwl_nvm_sbands_flags - modification flags for the channel profiles 74 * 75 * @IWL_NVM_SBANDS_FLAGS_LAR: LAR is enabled 76 * @IWL_NVM_SBANDS_FLAGS_NO_WIDE_IN_5GHZ: disallow 40, 80 and 160MHz on 5GHz 77 */ 78 enum iwl_nvm_sbands_flags { 79 IWL_NVM_SBANDS_FLAGS_LAR = BIT(0), 80 IWL_NVM_SBANDS_FLAGS_NO_WIDE_IN_5GHZ = BIT(1), 81 }; 82 83 /** 84 * iwl_parse_nvm_data - parse NVM data and return values 85 * 86 * This function parses all NVM values we need and then 87 * returns a (newly allocated) struct containing all the 88 * relevant values for driver use. The struct must be freed 89 * later with iwl_free_nvm_data(). 90 */ 91 struct iwl_nvm_data * 92 iwl_parse_nvm_data(struct iwl_trans *trans, const struct iwl_cfg *cfg, 93 const __be16 *nvm_hw, const __le16 *nvm_sw, 94 const __le16 *nvm_calib, const __le16 *regulatory, 95 const __le16 *mac_override, const __le16 *phy_sku, 96 u8 tx_chains, u8 rx_chains, bool lar_fw_supported); 97 98 /** 99 * iwl_parse_mcc_info - parse MCC (mobile country code) info coming from FW 100 * 101 * This function parses the regulatory channel data received as a 102 * MCC_UPDATE_CMD command. It returns a newly allocation regulatory domain, 103 * to be fed into the regulatory core. In case the geo_info is set handle 104 * accordingly. An ERR_PTR is returned on error. 105 * If not given to the regulatory core, the user is responsible for freeing 106 * the regdomain returned here with kfree. 107 */ 108 struct ieee80211_regdomain * 109 iwl_parse_nvm_mcc_info(struct device *dev, const struct iwl_cfg *cfg, 110 int num_of_ch, __le32 *channels, u16 fw_mcc, 111 u16 geo_info, u16 cap); 112 113 /** 114 * struct iwl_nvm_section - describes an NVM section in memory. 115 * 116 * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD, 117 * and saved for later use by the driver. Not all NVM sections are saved 118 * this way, only the needed ones. 119 */ 120 struct iwl_nvm_section { 121 u16 length; 122 const u8 *data; 123 }; 124 125 /** 126 * iwl_read_external_nvm - Reads external NVM from a file into nvm_sections 127 */ 128 int iwl_read_external_nvm(struct iwl_trans *trans, 129 const char *nvm_file_name, 130 struct iwl_nvm_section *nvm_sections); 131 void iwl_nvm_fixups(u32 hw_id, unsigned int section, u8 *data, 132 unsigned int len); 133 134 /** 135 * iwl_get_nvm - retrieve NVM data from firmware 136 * 137 * Allocates a new iwl_nvm_data structure, fills it with 138 * NVM data, and returns it to caller. 139 */ 140 struct iwl_nvm_data *iwl_get_nvm(struct iwl_trans *trans, 141 const struct iwl_fw *fw); 142 #endif /* __iwl_nvm_parse_h__ */ 143