LXR linux/drivers/char/tpm/st33zp24/st33zp24.h

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