diff options
Diffstat (limited to 'drivers/char/tpm/st33zp24/st33zp24.h')
| -rw-r--r-- | drivers/char/tpm/st33zp24/st33zp24.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/drivers/char/tpm/st33zp24/st33zp24.h b/drivers/char/tpm/st33zp24/st33zp24.h new file mode 100644 index 0000000000..5acc85f711 --- /dev/null +++ b/drivers/char/tpm/st33zp24/st33zp24.h @@ -0,0 +1,41 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * STMicroelectronics TPM Linux driver for TPM ST33ZP24 + * Copyright (C) 2009 - 2016 STMicroelectronics + */ + +#ifndef __LOCAL_ST33ZP24_H__ +#define __LOCAL_ST33ZP24_H__ + +#define TPM_ST33_I2C "st33zp24-i2c" +#define TPM_ST33_SPI "st33zp24-spi" + +#define TPM_WRITE_DIRECTION 0x80 +#define ST33ZP24_BUFSIZE 2048 + +struct st33zp24_dev { + struct tpm_chip *chip; + void *phy_id; + const struct st33zp24_phy_ops *ops; + int locality; + int irq; + u32 intrs; + struct gpio_desc *io_lpcpd; + wait_queue_head_t read_queue; +}; + + +struct st33zp24_phy_ops { + int (*send)(void *phy_id, u8 tpm_register, u8 *tpm_data, int tpm_size); + int (*recv)(void *phy_id, u8 tpm_register, u8 *tpm_data, int tpm_size); +}; + +#ifdef CONFIG_PM_SLEEP +int st33zp24_pm_suspend(struct device *dev); +int st33zp24_pm_resume(struct device *dev); +#endif + +int st33zp24_probe(void *phy_id, const struct st33zp24_phy_ops *ops, + struct device *dev, int irq); +void st33zp24_remove(struct tpm_chip *chip); +#endif /* __LOCAL_ST33ZP24_H__ */ |