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

137 lines
5.1 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 - 2012 Intel Corporation. All rights reserved.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
* USA
*
* The full GNU General Public License is included in this distribution
* in the file called LICENSE.GPL.
*
* Contact Information:
* Intel Linux Wireless <ilw@linux.intel.com>
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*
* BSD LICENSE
*
* Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved.
* 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_eeprom_parse_h__
#define __iwl_eeprom_parse_h__
#include <linux/types.h>
#include <linux/if_ether.h>
#include "iwl-trans.h"
/* SKU Capabilities (actual values from EEPROM definition) */
#define EEPROM_SKU_CAP_BAND_24GHZ (1 << 4)
#define EEPROM_SKU_CAP_BAND_52GHZ (1 << 5)
#define EEPROM_SKU_CAP_11N_ENABLE (1 << 6)
#define EEPROM_SKU_CAP_AMT_ENABLE (1 << 7)
#define EEPROM_SKU_CAP_IPAN_ENABLE (1 << 8)
/* radio config bits (actual values from EEPROM definition) */
#define EEPROM_RF_CFG_TYPE_MSK(x) (x & 0x3) /* bits 0-1 */
#define EEPROM_RF_CFG_STEP_MSK(x) ((x >> 2) & 0x3) /* bits 2-3 */
#define EEPROM_RF_CFG_DASH_MSK(x) ((x >> 4) & 0x3) /* bits 4-5 */
#define EEPROM_RF_CFG_PNUM_MSK(x) ((x >> 6) & 0x3) /* bits 6-7 */
#define EEPROM_RF_CFG_TX_ANT_MSK(x) ((x >> 8) & 0xF) /* bits 8-11 */
#define EEPROM_RF_CFG_RX_ANT_MSK(x) ((x >> 12) & 0xF) /* bits 12-15 */
struct iwl_eeprom_data {
int n_hw_addrs;
u8 hw_addr[ETH_ALEN];
u8 calib_version;
__le16 calib_voltage;
__le16 raw_temperature;
__le16 kelvin_temperature;
__le16 kelvin_voltage;
__le16 xtal_calib[2];
u16 sku;
u16 radio_cfg;
u16 eeprom_version;
s8 max_tx_pwr_half_dbm;
u8 valid_tx_ant, valid_rx_ant;
struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
struct ieee80211_channel channels[];
};
/**
* iwl_parse_eeprom_data - parse EEPROM data and return values
*
* @dev: device pointer we're parsing for, for debug only
* @cfg: device configuration for parsing and overrides
* @eeprom: the EEPROM data
* @eeprom_size: length of the EEPROM data
*
* This function parses all EEPROM 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_eeprom_data().
*/
struct iwl_eeprom_data *
iwl_parse_eeprom_data(struct device *dev, const struct iwl_cfg *cfg,
const u8 *eeprom, size_t eeprom_size);
/**
* iwl_free_eeprom_data - free EEPROM data
* @data: the data to free
*/
static inline void iwl_free_eeprom_data(struct iwl_eeprom_data *data)
{
kfree(data);
}
int iwl_eeprom_check_version(struct iwl_eeprom_data *data,
struct iwl_trans *trans);
#endif /* __iwl_eeprom_parse_h__ */