#include "arch/devices/init.hpp"

#include "kapi/devices.hpp"

#include "arch/bus/isa.hpp"
#include "arch/devices/legacy_pit.hpp"

#include <kstd/memory>
#include <kstd/print>

#include <cstdint>
#include <utility>

namespace arch::devices
{

  namespace
  {
    constexpr auto pit_frequency_in_hz = std::uint32_t{100u};
  }

  auto init_acpi_devices() -> void {}

  auto init_legacy_devices() -> void
  {
    kstd::println("[x86_64:DEV] Initializing ISA bus...");

    auto isa_major_number = kapi::devices::allocate_major_number();
    auto isa_bus = kstd::make_unique<arch::bus::isa>(isa_major_number);

    auto pit_major_number = kapi::devices::allocate_major_number();
    auto pit = kstd::make_unique<arch::devices::legacy_pit>(pit_major_number, pit_frequency_in_hz);
    isa_bus->add_child(std::move(pit));

    auto & root_bus = kapi::devices::get_root_bus();
    root_bus.add_child(std::move(isa_bus));
  }

}  // namespace arch::devices