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Kernel: Take ownership of xHCI controller from bios

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Bananymous
2024-07-14 03:31:35 +03:00
parent baa4e6475a
commit 86e9d92ecb
6 changed files with 94 additions and 8 deletions
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3
kernel/include/kernel/USB/XHCI/Controller.h
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@@ -38,7 +38,8 @@ namespace Kernel
};
public:
static BAN::ErrorOr<BAN::UniqPtr<XHCIController>> initialize(PCI::Device&);
static BAN::ErrorOr<void> take_ownership(PCI::Device&);
static BAN::ErrorOr<BAN::UniqPtr<XHCIController>> create(PCI::Device&);
void handle_irq() final override;

11
kernel/include/kernel/USB/XHCI/Definitions.h
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@@ -409,6 +409,17 @@ namespace Kernel::XHCI
};
static_assert(sizeof(ExtendedCap) == 4);
struct USBLegacySupportCap
{
uint32_t capability_id : 8;
uint32_t next_capability : 8;
uint32_t hc_bios_owned_semaphore : 1;
uint32_t : 7;
uint32_t hc_os_owned_semaphore : 1;
uint32_t : 7;
};
static_assert(sizeof(USBLegacySupportCap) == 4);
struct SupportedPrococolCap
{
uint32_t capability_id : 8;