38 lines
1.1 KiB
C++
38 lines
1.1 KiB
C++
#include "xhci/endpoint.h"
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#include <mammoth/util/debug.h>
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void Endpoint::Initialize(XhciEndpointContext* context) {
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enabled_ = true;
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context_ = context;
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trb_ring_ = glcr::MakeUnique<TrbRingWriter>();
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recv_mem_ = mmth::OwnedMemoryRegion::ContiguousPhysical(0x1000, &recv_phys_);
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context_->tr_dequeue_ptr = trb_ring_->PhysicalAddress() | 1;
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context_->error_and_type = (0x3 << 1) | (0x7 << 3) | (0x8 << 16);
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for (uint64_t i = 0; i < 10; i++) {
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trb_ring_->EnqueueTrb({
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.parameter = recv_phys_ + offset_,
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.status = 8,
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.type_and_cycle = 1 | (1 << 2) | (1 << 5) | (1 << 10),
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.control = 0,
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});
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offset_ += 8;
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}
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}
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void Endpoint::TransferComplete(uint64_t trb_phys) {
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uint64_t phys_offset =
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(trb_phys - trb_ring_->PhysicalAddress()) / sizeof(XhciTrb);
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dbgln("Data: {x}", *((uint64_t*)recv_mem_.vaddr() + phys_offset));
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trb_ring_->EnqueueTrb({
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.parameter = recv_phys_ + offset_,
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.status = 8,
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.type_and_cycle = 1 | (1 << 2) | (1 << 5) | (1 << 10),
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.control = 0,
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});
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offset_ += 8;
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}
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