diff options
| author | sigsegv7 <ian@vegaa.systems> | 2023-09-15 23:03:11 -0400 |
|---|---|---|
| committer | sigsegv7 <ian@vegaa.systems> | 2023-09-15 23:03:11 -0400 |
| commit | 2003325ba7b913425fe805ace0039bc9d0401633 (patch) | |
| tree | 40a759201af642f4660094ff787be006ebf95ff7 /sys/include/firmware/acpi | |
| parent | 978c01caee421aeddb4fa32c934b4e51ab8133ed (diff) | |
kernel: dev: Add HPET driver
Signed-off-by: sigsegv7 <ian@vegaa.systems>
Diffstat (limited to 'sys/include/firmware/acpi')
| -rw-r--r-- | sys/include/firmware/acpi/tables.h | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/sys/include/firmware/acpi/tables.h b/sys/include/firmware/acpi/tables.h index c145e90..2d65f46 100644 --- a/sys/include/firmware/acpi/tables.h +++ b/sys/include/firmware/acpi/tables.h @@ -51,7 +51,7 @@ struct __packed acpi_rsdp { uint64_t signature; /* RSD PTR */ uint8_t checksum; /* Structure checksum */ char oemid[OEMID_SIZE]; /* OEM-supplied string that IDs the OEM */ - uint8_t revision; /* Revision of the structure */ + uint8_t revision; /* Revision of the structure */ uint32_t rsdt_addr; /* RSDT physical address */ /* Reserved if revision < 2 */ @@ -61,7 +61,7 @@ struct __packed acpi_rsdp { uint8_t reserved[3]; }; -/* +/* * XSDT or RSDT depending * on what revision the header * says. @@ -105,4 +105,26 @@ struct __packed interrupt_override { uint16_t flags; }; +struct __packed acpi_gas { + uint8_t address_space_id; + uint8_t register_bit_width; + uint8_t register_bit_offset; + uint8_t reserved; + uint64_t address; +}; + +struct __packed hpet { + struct acpi_header hdr; + 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 acpi_gas gas; + uint8_t hpet_number; + uint16_t minimum_tick; + uint8_t page_protection; +}; + #endif /* !_ACPI_TABLES_H_ */ |