1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * STMicroelectronics TPM Linux driver for TPM ST33ZP24 4*4882a593Smuzhiyun * Copyright (C) 2009 - 2016 STMicroelectronics 5*4882a593Smuzhiyun */ 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun #ifndef __LOCAL_ST33ZP24_H__ 8*4882a593Smuzhiyun #define __LOCAL_ST33ZP24_H__ 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #define TPM_WRITE_DIRECTION 0x80 11*4882a593Smuzhiyun #define ST33ZP24_BUFSIZE 2048 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun struct st33zp24_dev { 14*4882a593Smuzhiyun struct tpm_chip *chip; 15*4882a593Smuzhiyun void *phy_id; 16*4882a593Smuzhiyun const struct st33zp24_phy_ops *ops; 17*4882a593Smuzhiyun int locality; 18*4882a593Smuzhiyun int irq; 19*4882a593Smuzhiyun u32 intrs; 20*4882a593Smuzhiyun int io_lpcpd; 21*4882a593Smuzhiyun wait_queue_head_t read_queue; 22*4882a593Smuzhiyun }; 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun struct st33zp24_phy_ops { 26*4882a593Smuzhiyun int (*send)(void *phy_id, u8 tpm_register, u8 *tpm_data, int tpm_size); 27*4882a593Smuzhiyun int (*recv)(void *phy_id, u8 tpm_register, u8 *tpm_data, int tpm_size); 28*4882a593Smuzhiyun }; 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun #ifdef CONFIG_PM_SLEEP 31*4882a593Smuzhiyun int st33zp24_pm_suspend(struct device *dev); 32*4882a593Smuzhiyun int st33zp24_pm_resume(struct device *dev); 33*4882a593Smuzhiyun #endif 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun int st33zp24_probe(void *phy_id, const struct st33zp24_phy_ops *ops, 36*4882a593Smuzhiyun struct device *dev, int irq, int io_lpcpd); 37*4882a593Smuzhiyun int st33zp24_remove(struct tpm_chip *chip); 38*4882a593Smuzhiyun #endif /* __LOCAL_ST33ZP24_H__ */ 39