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/*
* Copyright (c) 2021, Luke Wilde <lukew@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Error.h>
#include <AK/RefCounted.h>
#include <Kernel/Bus/USB/USBDevice.h>
#include <Kernel/Bus/USB/USBTransfer.h>
namespace Kernel::USB {
class USBController : public RefCounted<USBController> {
public:
virtual ~USBController() = default;
virtual ErrorOr<void> initialize() = 0;
virtual ErrorOr<void> reset() = 0;
virtual ErrorOr<void> stop() = 0;
virtual ErrorOr<void> start() = 0;
virtual ErrorOr<size_t> submit_control_transfer(Transfer&) = 0;
virtual ErrorOr<size_t> submit_bulk_transfer(Transfer& transfer) = 0;
u8 allocate_address();
private:
u8 m_next_device_index { 1 };
IntrusiveListNode<USBController, NonnullRefPtr<USBController>> m_controller_list_node;
public:
using List = IntrusiveList<&USBController::m_controller_list_node>;
};
}
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