| Abhi.Singh | c8c5faf | 2024-08-28 14:17:52 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2025, Arm Limited. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
| 7 | #ifndef TPM2_INTERFACE_H |
| 8 | #define TPM2_INTERFACE_H |
| 9 | |
| 10 | #include "tpm2_chip.h" |
| 11 | |
| 12 | typedef struct interface_ops { |
| 13 | int (*get_info)(struct tpm_chip_data *chip_data, uint8_t locality); |
| 14 | int (*send)(struct tpm_chip_data *chip_data, const tpm_cmd *buf); |
| 15 | int (*receive)(struct tpm_chip_data *chip_data, tpm_cmd *buf); |
| 16 | int (*request_access)(struct tpm_chip_data *chip_data, uint8_t locality); |
| 17 | int (*release_locality)(struct tpm_chip_data *chip_data, uint8_t locality); |
| 18 | } interface_ops_t; |
| 19 | |
| 20 | struct interface_ops *tpm_interface_getops(struct tpm_chip_data *chip_data, uint8_t locality); |
| 21 | |
| 22 | int tpm2_fifo_write_byte(uint16_t tpm_reg, uint8_t val); |
| 23 | |
| 24 | int tpm2_fifo_read_byte(uint16_t tpm_reg, uint8_t *val); |
| 25 | |
| 26 | int tpm2_fifo_read_chunk(uint16_t tpm_reg, uint8_t len, void *val); |
| 27 | |
| 28 | #endif /* TPM2_INTERFACE_H */ |