| 1 | /* |
| 2 | * SPDX-License-Identifier: GPL-2.0-or-later |
| 3 | * |
| 4 | * QTest TPM TIS I2C: Common test functions used for TPM I2C on Aspeed bus |
| 5 | * |
| 6 | * Copyright (c) 2026 IBM Corporation |
| 7 | * |
| 8 | * Authors: |
| 9 | * Stefan Berger <stefanb@linux.ibm.com> |
| 10 | * |
| 11 | */ |
| 12 | |
| 13 | #ifndef TESTS_TPM_TIS_I2C_UTIL_H |
| 14 | #define TESTS_TPM_TIS_I2C_UTIL_H |
| 15 | |
| 16 | #include "qemu/osdep.h" |
| 17 | |
| 18 | extern uint32_t aspeed_bus_addr; |
| 19 | |
| 20 | #define I2C_SLAVE_ADDR 0x2e |
| 21 | #define I2C_DEV_BUS_NUM 10 |
| 22 | |
| 23 | uint8_t tpm_tis_i2c_readb(QTestState *s, uint8_t locty, uint8_t reg); |
| 24 | uint16_t tpm_tis_i2c_readw(QTestState *s, uint8_t locty, uint8_t reg); |
| 25 | uint32_t tpm_tis_i2c_readl(QTestState *s, uint8_t locty, uint8_t reg); |
| 26 | |
| 27 | void tpm_tis_i2c_writeb(QTestState *s, uint8_t locty, uint8_t reg, uint8_t v); |
| 28 | void tpm_tis_i2c_writel(QTestState *s, uint8_t locty, uint8_t reg, uint32_t v); |
| 29 | |
| 30 | void tpm_tis_i2c_transfer(QTestState *s, |
| 31 | const unsigned char *req, size_t req_size, |
| 32 | unsigned char *rsp, size_t rsp_size); |
| 33 | |
| 34 | #endif /* TESTS_TPM_TIS_I2C_UTIL_H */ |