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There are devices that forbid MIMO by the mean of the NVM. Detect thoses devices and forbid MIMO otherwise the firmware would crash. STBC is still allowed on these devices. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
145 lines
5.0 KiB
C
145 lines
5.0 KiB
C
/******************************************************************************
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*
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* GPL LICENSE SUMMARY
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*
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* Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved.
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* Copyright(c) 2015 Intel Mobile Communications GmbH
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
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* USA
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*
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* The full GNU General Public License is included in this distribution
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* in the file called COPYING.
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*
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* Contact Information:
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* Intel Linux Wireless <ilw@linux.intel.com>
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* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*
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* BSD LICENSE
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*
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* Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
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* Copyright(c) 2015 Intel Mobile Communications GmbH
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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#ifndef __iwl_eeprom_parse_h__
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#define __iwl_eeprom_parse_h__
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#include <linux/types.h>
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#include <linux/if_ether.h>
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#include "iwl-trans.h"
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struct iwl_nvm_data {
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int n_hw_addrs;
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u8 hw_addr[ETH_ALEN];
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u8 calib_version;
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__le16 calib_voltage;
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__le16 raw_temperature;
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__le16 kelvin_temperature;
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__le16 kelvin_voltage;
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__le16 xtal_calib[2];
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bool sku_cap_band_24GHz_enable;
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bool sku_cap_band_52GHz_enable;
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bool sku_cap_11n_enable;
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bool sku_cap_11ac_enable;
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bool sku_cap_amt_enable;
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bool sku_cap_ipan_enable;
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bool sku_cap_mimo_disabled;
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u16 radio_cfg_type;
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u8 radio_cfg_step;
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u8 radio_cfg_dash;
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u8 radio_cfg_pnum;
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u8 valid_tx_ant, valid_rx_ant;
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u32 nvm_version;
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s8 max_tx_pwr_half_dbm;
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bool lar_enabled;
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struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
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struct ieee80211_channel channels[];
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};
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/**
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* iwl_parse_eeprom_data - parse EEPROM data and return values
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*
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* @dev: device pointer we're parsing for, for debug only
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* @cfg: device configuration for parsing and overrides
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* @eeprom: the EEPROM data
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* @eeprom_size: length of the EEPROM data
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*
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* This function parses all EEPROM values we need and then
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* returns a (newly allocated) struct containing all the
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* relevant values for driver use. The struct must be freed
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* later with iwl_free_nvm_data().
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*/
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struct iwl_nvm_data *
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iwl_parse_eeprom_data(struct device *dev, const struct iwl_cfg *cfg,
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const u8 *eeprom, size_t eeprom_size);
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/**
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* iwl_free_nvm_data - free NVM data
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* @data: the data to free
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*/
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static inline void iwl_free_nvm_data(struct iwl_nvm_data *data)
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{
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kfree(data);
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}
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int iwl_nvm_check_version(struct iwl_nvm_data *data,
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struct iwl_trans *trans);
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int iwl_init_sband_channels(struct iwl_nvm_data *data,
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struct ieee80211_supported_band *sband,
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int n_channels, enum ieee80211_band band);
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void iwl_init_ht_hw_capab(const struct iwl_cfg *cfg,
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struct iwl_nvm_data *data,
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struct ieee80211_sta_ht_cap *ht_info,
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enum ieee80211_band band,
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u8 tx_chains, u8 rx_chains);
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#endif /* __iwl_eeprom_parse_h__ */
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