| /* 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__ */ |
