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