1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * STMicroelectronics TPM Linux driver for TPM ST33ZP24
4 * Copyright (C) 2009 - 2016  STMicroelectronics
5 */
6
7#ifndef __LOCAL_ST33ZP24_H__
8#define __LOCAL_ST33ZP24_H__
9
10#define TPM_WRITE_DIRECTION	0x80
11#define ST33ZP24_BUFSIZE	2048
12
13struct st33zp24_dev {
14	struct tpm_chip *chip;
15	void *phy_id;
16	const struct st33zp24_phy_ops *ops;
17	int locality;
18	int irq;
19	u32 intrs;
20	int io_lpcpd;
21	wait_queue_head_t read_queue;
22};
23
24
25struct st33zp24_phy_ops {
26	int (*send)(void *phy_id, u8 tpm_register, u8 *tpm_data, int tpm_size);
27	int (*recv)(void *phy_id, u8 tpm_register, u8 *tpm_data, int tpm_size);
28};
29
30#ifdef CONFIG_PM_SLEEP
31int st33zp24_pm_suspend(struct device *dev);
32int st33zp24_pm_resume(struct device *dev);
33#endif
34
35int st33zp24_probe(void *phy_id, const struct st33zp24_phy_ops *ops,
36		   struct device *dev, int irq, int io_lpcpd);
37int st33zp24_remove(struct tpm_chip *chip);
38#endif /* __LOCAL_ST33ZP24_H__ */
39