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[Voyageurs] Send AddressDevice Command to move port to 'Addressed' State.

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This commit is contained in:
Drew Galbraith 2024-02-22 18:16:08 -08:00
parent dd2687a59a
commit 8e78950ac7
10 changed files with 236 additions and 33 deletions
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45
sys/voyageurs/xhci/trb.cpp
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@ -1,26 +1,27 @@
#include "xhci/trb.h"
constexpr uint8_t kTrb_Normal = 1;
constexpr uint8_t kTrb_SetupStage = 2;
constexpr uint8_t kTrb_DataStage = 3;
constexpr uint8_t kTrb_StatusStage = 4;
constexpr uint8_t kTrb_Isoch = 5;
constexpr uint8_t kTrb_Link = 6;
constexpr uint8_t kTrb_EventData = 7;
constexpr uint8_t kTrb_NoOp = 8;
constexpr uint8_t kTrb_EnableSlot = 9;
constexpr uint8_t kTrb_DisableSlot = 10;
constexpr uint8_t kTrb_NoOpCommand = 23;
constexpr uint8_t kTrb_TypeOffset = 10;
constexpr uint8_t kTrb_Cycle = 1;
constexpr uint16_t kTrb_Cycle = 1;
constexpr uint16_t kTrb_BSR = (1 << 9);
namespace {
uint16_t TypeToInt(TrbType type) {
return static_cast<uint16_t>(type) << kTrb_TypeOffset;
}
} // namespace
TrbType GetType(const XhciTrb& trb) {
return TrbType(trb.type_and_cycle >> kTrb_TypeOffset);
}
XhciTrb CreateLinkTrb(uint64_t physical_address) {
return {
.parameter = physical_address,
.status = 0,
.type_and_cycle = kTrb_Link << kTrb_TypeOffset,
.type_and_cycle = TypeToInt(TrbType::Link),
.control = 0,
};
}
@ -30,18 +31,30 @@ XhciTrb CreateEnableSlotTrb() {
.parameter = 0,
.status = 0,
// FIXME: Accept Cycle Bit as a parameter.
.type_and_cycle = kTrb_EnableSlot << kTrb_TypeOffset | kTrb_Cycle,
.type_and_cycle = (uint16_t)(TypeToInt(TrbType::EnableSlot) | kTrb_Cycle),
// FIXME: Specify slot type if necessary. (XHCI Table 7-9)?
.control = 0,
};
}
XhciTrb CreateAddressDeviceCommand(uint64_t input_context, uint8_t slot_id) {
return {
.parameter = input_context,
.status = 0,
// Always cycle the device straight to addressed.
.type_and_cycle =
(uint16_t)(TypeToInt(TrbType::AddressDevice) | kTrb_Cycle),
.control = (uint16_t)(slot_id << 8),
};
}
XhciTrb CreateNoOpCommandTrb() {
return {
.parameter = 0,
.status = 0,
// FIXME: Accept Cycle Bit as a parameter.
.type_and_cycle = kTrb_NoOpCommand << kTrb_TypeOffset | kTrb_Cycle,
.type_and_cycle =
(uint16_t)(TypeToInt(TrbType::NoOpCommand) | kTrb_Cycle),
.control = 0,
};
}