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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* STMicroelectronics TPM Linux driver for TPM ST33ZP24
* Copyright (C) 2009 - 2016 STMicroelectronics
*/
#ifndef __LOCAL_ST33ZP24_H__
#define __LOCAL_ST33ZP24_H__
#define TPM_ST33_I2C "st33zp24-i2c"
#define TPM_ST33_SPI "st33zp24-spi"
#define TPM_WRITE_DIRECTION 0x80
#define ST33ZP24_BUFSIZE 2048
struct st33zp24_dev {
struct tpm_chip *chip;
void *phy_id;
const struct st33zp24_phy_ops *ops;
int locality;
int irq;
u32 intrs;
struct gpio_desc *io_lpcpd;
wait_queue_head_t read_queue;
};
struct st33zp24_phy_ops {
int (*send)(void *phy_id, u8 tpm_register, u8 *tpm_data, int tpm_size);
int (*recv)(void *phy_id, u8 tpm_register, u8 *tpm_data, int tpm_size);
};
#ifdef CONFIG_PM_SLEEP
int st33zp24_pm_suspend(struct device *dev);
int st33zp24_pm_resume(struct device *dev);
#endif
int st33zp24_probe(void *phy_id, const struct st33zp24_phy_ops *ops,
struct device *dev, int irq);
void st33zp24_remove(struct tpm_chip *chip);
#endif /* __LOCAL_ST33ZP24_H__ */
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