87c0b29a6e
A VPD entry "wifi_sar" needs to be created which contains a heximal
encoded string in length of 40 bytes. get_wifi_sar_limits() function
retrieves and decodes the data from the VPD entry, which would later
be consumed by platform code.
BUG=chrome-os-partner:60821
TEST=Build and boot lars and reef
Change-Id: I73333bef1fec2769f4edb52c3e1f7262070ec5df
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: ed840023a8
Original-Change-Id: I923b58a63dc1f8a7fdd685cf1c618b2fdf4e7061
Original-Signed-off-by: Robbie Zhang <robbie.zhang@intel.com>
Original-Reviewed-on: https://review.coreboot.org/17958
Original-Tested-by: build bot (Jenkins)
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/427465
38 lines
1.1 KiB
C
38 lines
1.1 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2017 Intel Corp.
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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 the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef _SAR_H_
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#define _SAR_H_
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#include <stdint.h>
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#define NUM_SAR_LIMITS 4
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#define BYTES_PER_SAR_LIMIT 10
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/* Wifi SAR limit table structure */
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struct wifi_sar_limits {
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/* Total 4 SAR limit sets, each has 10 bytes */
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uint8_t sar_limit[NUM_SAR_LIMITS][BYTES_PER_SAR_LIMIT];
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};
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/*
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* Retrieve the SAR limits data from VPD and decode it.
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* sar_limits: Pointer to wifi_sar_limits where the resulted data is stored
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*
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* Returns: 0 on success, -1 on errors (The VPD entry doesn't exist, or the
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* VPD entry contains non-heximal value.)
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*/
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int get_wifi_sar_limits(struct wifi_sar_limits *sar_limits);
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#endif /* _SAR_H_ */
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