drivers/net/wireless/intel/iwlwifi/iwl-eeprom-parse.h

   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 - 2014 Intel Corporation. All rights reserved.
   9  * Copyright(c) 2015 Intel Mobile Communications GmbH
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of version 2 of the GNU General Public License as
  13  * published by the Free Software Foundation.
  14  *
  15  * This program is distributed in the hope that it will be useful, but
  16  * WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  * General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
  23  * USA
  24  *
  25  * The full GNU General Public License is included in this distribution
  26  * in the file called COPYING.
  27  *
  28  * Contact Information:
  29  *  Intel Linux Wireless <linuxwifi@intel.com>
  30  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  31  *
  32  * BSD LICENSE
  33  *
  34  * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
  35  * Copyright(c) 2015 Intel Mobile Communications GmbH
  36  * All rights reserved.
  37  *
  38  * Redistribution and use in source and binary forms, with or without
  39  * modification, are permitted provided that the following conditions
  40  * are met:
  41  *
  42  *  * Redistributions of source code must retain the above copyright
  43  *    notice, this list of conditions and the following disclaimer.
  44  *  * Redistributions in binary form must reproduce the above copyright
  45  *    notice, this list of conditions and the following disclaimer in
  46  *    the documentation and/or other materials provided with the
  47  *    distribution.
  48  *  * Neither the name Intel Corporation nor the names of its
  49  *    contributors may be used to endorse or promote products derived
  50  *    from this software without specific prior written permission.
  51  *
  52  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  53  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  54  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  55  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  56  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  57  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  58  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  59  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  60  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  61  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  62  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  63  *****************************************************************************/
  64 #ifndef __iwl_eeprom_parse_h__
  65 #define __iwl_eeprom_parse_h__
  66
  67 #include <linux/types.h>
  68 #include <linux/if_ether.h>
  69 #include "iwl-trans.h"
  70
  71 struct iwl_nvm_data {
  72         int n_hw_addrs;
  73         u8 hw_addr[ETH_ALEN];
  74
  75         u8 calib_version;
  76         __le16 calib_voltage;
  77
  78         __le16 raw_temperature;
  79         __le16 kelvin_temperature;
  80         __le16 kelvin_voltage;
  81         __le16 xtal_calib[2];
  82
  83         bool sku_cap_band_24GHz_enable;
  84         bool sku_cap_band_52GHz_enable;
  85         bool sku_cap_11n_enable;
  86         bool sku_cap_11ac_enable;
  87         bool sku_cap_amt_enable;
  88         bool sku_cap_ipan_enable;
  89         bool sku_cap_mimo_disabled;
  90
  91         u16 radio_cfg_type;
  92         u8 radio_cfg_step;
  93         u8 radio_cfg_dash;
  94         u8 radio_cfg_pnum;
  95         u8 valid_tx_ant, valid_rx_ant;
  96
  97         u32 nvm_version;
  98         s8 max_tx_pwr_half_dbm;
  99
 100         bool lar_enabled;
 101         bool vht160_supported;
 102         struct ieee80211_supported_band bands[NUM_NL80211_BANDS];
 103         struct ieee80211_channel channels[];
 104 };
 105
 106 /**
 107  * iwl_parse_eeprom_data - parse EEPROM data and return values
 108  *
 109  * @dev: device pointer we're parsing for, for debug only
 110  * @cfg: device configuration for parsing and overrides
 111  * @eeprom: the EEPROM data
 112  * @eeprom_size: length of the EEPROM data
 113  *
 114  * This function parses all EEPROM values we need and then
 115  * returns a (newly allocated) struct containing all the
 116  * relevant values for driver use. The struct must be freed
 117  * later with iwl_free_nvm_data().
 118  */
 119 struct iwl_nvm_data *
 120 iwl_parse_eeprom_data(struct device *dev, const struct iwl_cfg *cfg,
 121                       const u8 *eeprom, size_t eeprom_size);
 122
 123 /**
 124  * iwl_free_nvm_data - free NVM data
 125  * @data: the data to free
 126  */
 127 static inline void iwl_free_nvm_data(struct iwl_nvm_data *data)
 128 {
 129         kfree(data);
 130 }
 131
 132 int iwl_nvm_check_version(struct iwl_nvm_data *data,
 133                           struct iwl_trans *trans);
 134
 135 int iwl_init_sband_channels(struct iwl_nvm_data *data,
 136                             struct ieee80211_supported_band *sband,
 137                             int n_channels, enum nl80211_band band);
 138
 139 void iwl_init_ht_hw_capab(const struct iwl_cfg *cfg,
 140                           struct iwl_nvm_data *data,
 141                           struct ieee80211_sta_ht_cap *ht_info,
 142                           enum nl80211_band band,
 143                           u8 tx_chains, u8 rx_chains);
 144
 145 #endif /* __iwl_eeprom_parse_h__ */