106 lines
2.7 KiB
C
106 lines
2.7 KiB
C
#pragma once
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#include <stdint.h>
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struct RootSystemDescriptionPointer {
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char signature[8];
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uint8_t checksum;
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char oemid[6];
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uint8_t revision;
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uint32_t rsdt_address;
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};
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struct SystemDescriptionTableHeader {
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char 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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char oem_id[6];
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char oem_table_id[8];
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uint32_t oem_revision;
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uint32_t creator_id;
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uint32_t creator_revision;
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};
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struct RootSystemDescriptionTable {
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struct SystemDescriptionTableHeader header;
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uint32_t sdt_table[];
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};
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struct GenericAddressStructure {
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uint8_t address_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 address;
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};
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struct FixedACPIDescriptionTable {
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struct SystemDescriptionTableHeader header;
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uint32_t firmware_ctrl;
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uint32_t dsdt;
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// field used in ACPI 1.0; no longer in use, for compatibility only
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uint8_t reserved;
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uint8_t preferred_power_management_profile;
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uint16_t sci_interrupt;
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uint32_t smi_command_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_control;
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uint32_t pm1_a_event_block;
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uint32_t pm1_b_event_block;
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uint32_t pm1_a_control_block;
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uint32_t pm1_b_control_block;
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uint32_t pm2_control_block;
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uint32_t pm_timer_block;
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uint32_t gpe0_block;
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uint32_t gpe1_block;
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uint8_t pm1_event_length;
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uint8_t pm1_control_length;
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uint8_t pm2_control_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_control;
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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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// reserved in ACPI 1.0; used since ACPI 2.0+
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uint16_t boot_architecture_flags;
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uint8_t reserved_2;
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uint32_t flags;
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// 12 byte structure; see below for details
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struct GenericAddressStructure reset_reg;
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uint8_t reset_value;
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uint8_t reserved_3[3];
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// 64bit pointers - Available on ACPI 2.0+
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uint64_t x_firmware_control;
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uint64_t x_dsdt;
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struct GenericAddressStructure x_pm1_a_event_block;
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struct GenericAddressStructure x_pm1_b_event_block;
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struct GenericAddressStructure x_pm1_a_control_block;
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struct GenericAddressStructure x_pm1_b_control_block;
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struct GenericAddressStructure x_pm2_control_block;
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struct GenericAddressStructure x_pm_timer_block;
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struct GenericAddressStructure x_gpe0_block;
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struct GenericAddressStructure x_gpe1_block;
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};
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void acpi_init(void *rsdp);
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void acpi_poweroff(void);
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