root/drivers/char/tpm/st33zp24/st33zp24.h

INCLUDED FROM

   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 int st33zp24_remove(struct tpm_chip *chip);
  38 #endif /* __LOCAL_ST33ZP24_H__ */