mirror of
https://github.com/RGBCube/serenity
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06a32b6e16
BARs don't have to be page-aligned. This patch correctly calculates the needed memory range and register base address in that region.
46 lines
1.6 KiB
C++
46 lines
1.6 KiB
C++
/*
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* Copyright (c) 2023, Leon Albrecht <leon.a@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Types.h>
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#include <Kernel/Bus/PCI/Device.h>
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#include <Kernel/Bus/USB/EHCI/Registers.h>
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#include <Kernel/Bus/USB/USBController.h>
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#include <Kernel/Memory/TypedMapping.h>
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namespace Kernel::USB::EHCI {
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class EHCIController : public USBController
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, public PCI::Device {
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public:
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static ErrorOr<NonnullLockRefPtr<EHCIController>> try_to_initialize(PCI::DeviceIdentifier const& pci_device_identifier);
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virtual ~EHCIController() override = default;
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// ^PCI::Device
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virtual StringView device_name() const override { return "EHCI"sv; }
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// ^USBController
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virtual ErrorOr<void> initialize() override;
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virtual ErrorOr<void> reset() override { return ENOTSUP; }
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virtual ErrorOr<void> stop() override { return ENOTSUP; }
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virtual ErrorOr<void> start() override { return ENOTSUP; }
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virtual void cancel_async_transfer(NonnullLockRefPtr<Transfer>) override {};
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virtual ErrorOr<size_t> submit_control_transfer(Transfer&) override { return ENOTSUP; }
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virtual ErrorOr<size_t> submit_bulk_transfer(Transfer&) override { return ENOTSUP; }
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virtual ErrorOr<void> submit_async_interrupt_transfer(NonnullLockRefPtr<Transfer>, u16) override { return ENOTSUP; }
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private:
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EHCIController(PCI::DeviceIdentifier const& pci_device_identifier, NonnullOwnPtr<Memory::Region> register_region, VirtualAddress register_base_address);
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NonnullOwnPtr<Memory::Region> m_register_region;
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CapabilityRegisters const* m_cap_regs;
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OperationalRegisters volatile* m_op_regs;
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};
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}
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