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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2017-2018 Intel Corp.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* 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.
*/
#ifndef _SAR_H_
#define _SAR_H_
#include <stdint.h>
#define NUM_SAR_LIMITS 4
#define BYTES_PER_SAR_LIMIT 10
enum {
SAR_FCC,
SAR_EUROPE_JAPAN,
SAR_REST_OF_WORLD,
SAR_NUM_WGDS_GROUPS
};
struct wifi_sar_delta_table {
uint8_t version;
struct {
uint8_t power_max_2400mhz;
uint8_t power_chain_a_2400mhz;
uint8_t power_chain_b_2400mhz;
uint8_t power_max_5200mhz;
uint8_t power_chain_a_5200mhz;
uint8_t power_chain_b_5200mhz;
} __packed group[SAR_NUM_WGDS_GROUPS];
} __packed;
/* Wifi SAR limit table structure */
struct wifi_sar_limits {
/* Total 4 SAR limit sets, each has 10 bytes */
uint8_t sar_limit[NUM_SAR_LIMITS][BYTES_PER_SAR_LIMIT];
struct wifi_sar_delta_table wgds;
} __packed;
/*
* Retrieve the SAR limits data from VPD and decode it.
* sar_limits: Pointer to wifi_sar_limits where the resulted data is stored
*
* Returns: 0 on success, -1 on errors (The VPD entry doesn't exist, or the
* VPD entry contains non-heximal value.)
*/
int get_wifi_sar_limits(struct wifi_sar_limits *sar_limits);
const char *get_wifi_sar_cbfs_filename(void);
#endif /* _SAR_H_ */
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