src/drivers/i2c/tpm/chip.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #ifndef __DRIVERS_I2C_TPM_CHIP_H__
   4 #define __DRIVERS_I2C_TPM_CHIP_H__
   5
   6 #include <acpi/acpi_device.h>
   7 #include <device/i2c_simple.h>
   8
   9 enum tpm_power_managed_mode {
  10         TPM_DEFAULT_POWER_MANAGED = 0,
  11         TPM_FIRMWARE_POWER_MANAGED,
  12         TPM_KERNEL_POWER_MANAGED,
  13 };
  14
  15 struct drivers_i2c_tpm_config {
  16         const char *hid;        /* ACPI _HID (required) */
  17         const char *desc;       /* Device Description */
  18         unsigned int uid;       /* ACPI _UID */
  19         enum i2c_speed speed;   /* Bus speed in Hz, default is I2C_SPEED_FAST */
  20         struct acpi_irq irq;    /* Interrupt */
  21         struct acpi_gpio irq_gpio;      /* GPIO interrupt */
  22         enum tpm_power_managed_mode power_managed_mode; /* TPM power managed mode */
  23 };
  24
  25 #endif /* __DRIVERS_I2C_TPM_CHIP_H__ */