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android_kernel_...
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drivers
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char
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tpm
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st33zp24
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st33zp24.h

st33zp24.h 959 B
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  1. /* SPDX-License-Identifier: GPL-2.0-only */
    2. 

  2. /*
    3. 

  3.  * STMicroelectronics TPM Linux driver for TPM ST33ZP24
    4. 

  4.  * Copyright (C) 2009 - 2016  STMicroelectronics
    5. 

  5.  */
    6. 

  6. 

  7. #ifndef __LOCAL_ST33ZP24_H__
    8. 

  8. #define __LOCAL_ST33ZP24_H__
    9. 

  9. 

  10. #define TPM_WRITE_DIRECTION	0x80
    11. 

  11. #define ST33ZP24_BUFSIZE	2048
    12. 

  12. 

  13. struct st33zp24_dev {
    14. 

  14. 	struct tpm_chip *chip;
    15. 

  15. 	void *phy_id;
    16. 

  16. 	const struct st33zp24_phy_ops *ops;
    17. 

  17. 	int locality;
    18. 

  18. 	int irq;
    19. 

  19. 	u32 intrs;
    20. 

  20. 	int io_lpcpd;
    21. 

  21. 	wait_queue_head_t read_queue;
    22. 

  22. };
    23. 

  23. 

  24. 

  25. struct st33zp24_phy_ops {
    26. 

  26. 	int (*send)(void *phy_id, u8 tpm_register, u8 *tpm_data, int tpm_size);
    27. 

  27. 	int (*recv)(void *phy_id, u8 tpm_register, u8 *tpm_data, int tpm_size);
    28. 

  28. };
    29. 

  29. 

  30. #ifdef CONFIG_PM_SLEEP
    31. 

  31. int st33zp24_pm_suspend(struct device *dev);
    32. 

  32. int st33zp24_pm_resume(struct device *dev);
    33. 

  33. #endif
    34. 

  34. 

  35. int st33zp24_probe(void *phy_id, const struct st33zp24_phy_ops *ops,
    36. 

  36. 		   struct device *dev, int irq, int io_lpcpd);
    37. 

  37. void st33zp24_remove(struct tpm_chip *chip);
    38. 

  38. #endif /* __LOCAL_ST33ZP24_H__ */
    39.