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#ifndef MELVIX_ACPI_H
#define MELVIX_ACPI_H
/**
* Initialize the ACP interface
* @return 0 if successful, otherwise -1
*/
int acpi_install();
/**
* Activate a ACPI based device reboot
*/
void reboot();
/**
* Activate a ACPI based device shutdown/poweroff
*/
void acpi_poweroff();
struct RSD_ptr {
char signature[8];
char checksum;
char oem_id[6];
char revision;
uint32_t *rsdt_address;
};
struct FADT {
char signature[4];
uint32_t length;
char unneded1[40 - 8];
uint32_t *DSDT;
char unneded2[48 - 44];
uint32_t *SMI_CMD;
char ACPI_ENABLE;
char ACPI_DISABLE;
char unneded3[64 - 54];
uint32_t *PM1a_CNT_BLK;
uint32_t *PM1b_CNT_BLK;
char unneded4[89 - 72];
char PM1_CNT_LEN;
char unneeded5[18];
char century;
};
struct address_structure {
uint8_t address_space_id;
uint8_t register_bit_width;
uint8_t register_bit_offset;
uint8_t reserved;
uint64_t address;
} __attribute__((packed));
struct HPET {
char signature[4];
uint32_t length;
uint8_t revision;
uint8_t checksum;
char oemid[6];
uint64_t oem_tableid;
uint32_t oem_revision;
uint32_t creator_id;
uint32_t creator_revision;
uint8_t hardware_rev_id;
uint8_t comparator_count:5;
uint8_t counter_size:1;
uint8_t reserved:1;
uint8_t legacy_replacement:1;
uint16_t pci_vendor_id;
struct address_structure address;
uint8_t hpet_number;
uint16_t minimum_tick;
uint8_t page_protection;
} __attribute__((packed));
struct FADT *fadt;
struct HPET *hpet;
#endif
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