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 13 struct 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 25 struct 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 31 int st33zp24_pm_suspend(struct device *dev); 32 int st33zp24_pm_resume(struct device *dev); 33 #endif 34 35 int st33zp24_probe(void *phy_id, const struct st33zp24_phy_ops *ops, 36 struct device *dev, int irq, int io_lpcpd); 37 void st33zp24_remove(struct tpm_chip *chip); 38 #endif /* __LOCAL_ST33ZP24_H__ */ 39