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[Voyageurs] XHCI Event Segment working with polling.

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Drew Galbraith 2024-02-22 13:25:49 -08:00
parent b41784b938
commit 4cb0b0b2ae
8 changed files with 181 additions and 21 deletions
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25
sys/voyageurs/xhci/xhci_driver.h
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@ -1,6 +1,8 @@
#pragma once
#include <glacier/memory/unique_ptr.h>
#include <glacier/status/error_or.h>
#include <mammoth/proc/thread.h>
#include <mammoth/util/memory_region.h>
#include <yellowstone/yellowstone.yunq.client.h>
@ -9,22 +11,27 @@
class XhciDriver {
public:
static glcr::ErrorOr<XhciDriver> InitiateDriver(
static glcr::ErrorOr<glcr::UniquePtr<XhciDriver>> InitiateDriver(
yellowstone::YellowstoneClient& yellowstone);
XhciDriver(const XhciDriver&) = delete;
XhciDriver(XhciDriver&&) = default;
void DumpDebugInfo();
void InterruptLoop();
private:
// MMIO Structures.
mmth::OwnedMemoryRegion pci_region_;
PciDeviceHeader* pci_device_header_;
mmth::OwnedMemoryRegion mmio_regions_;
XhciCapabilities* capabilities_;
XhciOperational* operational_;
volatile XhciCapabilities* capabilities_;
volatile XhciOperational* operational_;
// TODO: Extended Capabilities.
XhciRuntime* runtime_;
// TODO: Doorbell Array.
volatile XhciRuntime* runtime_;
volatile XhciDoorbells* doorbells_;
// Host Memory Regions.
TrbRingWriter command_ring_;
@ -35,7 +42,8 @@ class XhciDriver {
mmth::OwnedMemoryRegion event_ring_segment_table_mem_;
XhciEventRingSegmentTableEntry* event_ring_segment_table_;
TrbRing event_ring_;
TrbRingReader event_ring_;
Thread interrupt_thread_;
XhciDriver(mmth::OwnedMemoryRegion&& pci_space);
@ -43,8 +51,13 @@ class XhciDriver {
glcr::ErrorCode FreeExistingMemoryStructures() { return glcr::OK; }
glcr::ErrorCode ResetController();
void StartInterruptThread();
glcr::ErrorCode InitiateCommandRing();
glcr::ErrorCode InitiateDeviceContextBaseArray();
glcr::ErrorCode InitiateEventRingSegmentTable();
glcr::ErrorCode InitiateDevices();
glcr::ErrorCode NoOpCommand();
};