mirror of
https://github.com/SerenityOS/serenity
synced 2026-05-10 00:52:28 +02:00
1db4da93eb
This makes it easier to access class specific descriptors, which are sometimes dependent on the descriptors immediately before them.
45 lines
1.7 KiB
C++
45 lines
1.7 KiB
C++
/*
|
|
* Copyright (c) 2022, Jesse Buhagiar <jesse.buhagiar@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/Badge.h>
|
|
#include <AK/Vector.h>
|
|
#include <Kernel/Bus/USB/USBDescriptors.h>
|
|
|
|
namespace Kernel::USB {
|
|
|
|
class USBConfiguration;
|
|
|
|
class USBInterface final {
|
|
public:
|
|
USBInterface() = delete;
|
|
USBInterface(USBConfiguration const& configuration, USBInterfaceDescriptor const descriptor, size_t descriptor_offset)
|
|
: m_configuration(&configuration)
|
|
, m_descriptor(descriptor)
|
|
, m_descriptor_offset(descriptor_offset)
|
|
{
|
|
}
|
|
|
|
ErrorOr<void> add_endpoint_descriptor(Badge<USBConfiguration>, USBEndpointDescriptor endpoint_descriptor) { return m_endpoint_descriptors.try_empend(endpoint_descriptor); }
|
|
|
|
Vector<USBEndpointDescriptor> const& endpoints() const { return m_endpoint_descriptors; }
|
|
|
|
USBInterfaceDescriptor const& descriptor() const { return m_descriptor; }
|
|
size_t descriptor_offset(Badge<USBConfiguration>) const { return m_descriptor_offset; }
|
|
|
|
USBConfiguration const& configuration() const { return *m_configuration; }
|
|
void set_configuration(Badge<USBConfiguration>, USBConfiguration const& configuration) { m_configuration = &configuration; }
|
|
|
|
private:
|
|
USBConfiguration const* m_configuration; // Configuration that this interface belongs to
|
|
USBInterfaceDescriptor const m_descriptor; // Descriptor backing this interface
|
|
Vector<USBEndpointDescriptor> m_endpoint_descriptors; // Endpoint descriptors for this interface (that we can use to open an endpoint)
|
|
size_t m_descriptor_offset { 0 }; // Offset of the interface descriptor in the hierarchy
|
|
};
|
|
|
|
}
|