blob: 2bdd87bc2511b2efd5cd16d18de15714df7270c2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
|
/* Copyright 2015 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/*
* This defines the interface functions for TPM SPI Hardware Protocol. The SPI
* master reads or writes between 1 and 64 bytes to a register designated by a
* 24-bit address. There is no provision for error reporting at this level.
*/
#ifndef __CROS_EC_TPM_REGISTERS_H
#define __CROS_EC_TPM_REGISTERS_H
#include <stdint.h>
/* The SPI master is writing data into a TPM register. */
void tpm_register_put(uint32_t regaddr,
const uint8_t *data, uint32_t data_size);
/* The SPI master is reading data from a TPM register. */
void tpm_register_get(uint32_t regaddr, uint8_t *dest, uint32_t data_size);
/* Enable SPS TPM driver. */
void sps_tpm_enable(void);
#endif /* __CROS_EC_TPM_REGISTERS_H */
|