174 lines
3.2 KiB
C
174 lines
3.2 KiB
C
#ifndef _ACPI_ACPI_H
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#define _ACPI_ACPI_H
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#include <libk/types.h>
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#include <libk/compiler.h>
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struct acpi_header {
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byte_t signature[4];
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uint32_t length;
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uint8_t revision;
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uint8_t checksum;
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byte_t oem[6];
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byte_t oemtable[8];
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uint32_t oem_revision;
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uint32_t creator;
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uint32_t creator_revision;
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} packed;
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struct acpi_rsdp {
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byte_t signature[8];
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uint8_t checksum;
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byte_t oem[6];
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uint8_t revision;
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uint32_t rsdt_addr;
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} packed;
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struct acpi_rsdt {
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struct acpi_header h;
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uint32_t ptrs[];
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};
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/* Address space */
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enum {
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ACPI_GAS_SYSMEMORY = 0,
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ACPI_GAS_SYSIO = 1,
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ACPI_GAS_PCI_CONFIG = 2,
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ACPI_GAS_MBED_CTL = 3,
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ACPI_GAS_SYSMGMT_BUS = 4,
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ACPI_GAS_CMOS = 5,
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ACPI_GAS_PCI_BAR_TGT = 6,
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ACPI_GAS_IPMI = 7,
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ACPI_GAS_GPIO = 8,
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ACPI_GAS_SERIAL_BUS = 9,
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ACPI_GAS_PLAT_COM_CHL = 10,
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};
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/* Access size */
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enum {
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ACPI_GAS_UNDEFINED = 0,
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ACPI_GAS_BYTE = 1,
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ACPI_GAS_WORD = 2,
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ACPI_GAS_DWORD = 3,
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ACPI_GAS_QWORD = 4,
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};
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struct acpi_gas {
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uint8_t addr_space;
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uint8_t bit_width;
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uint8_t bit_offset;
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uint8_t access_size;
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uint64_t addr;
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} packed;
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struct acpi_fadt {
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struct acpi_header h;
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uint32_t firmware_ctl;
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uint32_t dsdt;
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uint8_t reserved;
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uint8_t preferred_power_mgmt_profile;
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uint16_t sci_interrupt;
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uint32_t smi_cmd_port;
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uint8_t acpi_enable;
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uint8_t acpi_disable;
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uint8_t s4bios_req;
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uint8_t pstate_ctl;
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uint32_t pm1a_evt_blk;
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uint32_t pm1b_evt_blk;
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uint32_t pm1a_ctl_blk;
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uint32_t pm1b_ctl_blk;
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uint32_t pm2_ctl_blk;
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uint32_t pm_timer_blk;
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uint32_t gpe0_blk;
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uint32_t gpe1_blk;
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uint8_t pm1_evt_length;
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uint8_t pm1_ctl_length;
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uint8_t pm2_ctl_length;
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uint8_t pm_timer_length;
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uint8_t gpe0_length;
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uint8_t gpe1_length;
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uint8_t gpe1_base;
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uint8_t cstate_ctl;
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uint16_t worst_c2_latency;
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uint16_t worst_c3_latency;
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uint16_t flush_size;
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uint16_t flush_stride;
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uint8_t duty_offset;
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uint8_t duty_width;
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uint8_t day_alarm;
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uint8_t month_alarm;
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uint8_t century;
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uint16_t boot_arch_flags;
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uint8_t reserved2;
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uint32_t flags;
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struct acpi_gas reset_reg;
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uint8_t reset_value;
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uint8_t reserved3[3];
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uint64_t x_firmware_ctl;
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uint64_t x_dsdt;
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struct acpi_gas x_pm1a_evt_blk;
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struct acpi_gas x_pm1b_evt_blk;
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struct acpi_gas x_pm1a_ctl_blk;
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struct acpi_gas x_pm1b_ctl_blk;
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struct acpi_gas x_pm2_ctl_blk;
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struct acpi_gas x_pm_timer_blk;
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struct acpi_gas x_gpe0_blk;
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struct acpi_gas x_gpe1_blk;
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} packed;
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struct acpi_madt {
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struct acpi_header h;
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uint32_t lapic_addr;
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uint32_t flags;
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} packed;
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enum {
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ACPI_LAPIC = 0,
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ACPI_IOAPIC = 1,
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ACPI_INTR_OVERRIDE = 2,
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};
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struct acpi_apic_header {
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uint8_t type;
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uint8_t length;
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} packed;
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struct acpi_lapic {
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struct acpi_apic_header h;
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uint8_t acpi_cpu_id;
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uint8_t apic_id;
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uint32_t flags;
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} packed;
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struct acpi_ioapic {
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struct acpi_apic_header h;
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uint8_t ioapic_id;
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uint8_t reserved;
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uint32_t ioapic_addr;
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uint32_t global_intr_base;
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};
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struct acpi_intr_override {
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struct acpi_apic_header h;
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uint8_t bus;
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uint8_t source;
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uint32_t interrupt;
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uint16_t flags;
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};
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#define ACPI_MAP_START 0xC5000000
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void acpi_init(void);
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#endif // _ACPI_ACPI_H
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