mirror of
https://github.com/RGBCube/serenity
synced 2025-10-31 17:32:44 +00:00
69 lines
2.6 KiB
C++
69 lines
2.6 KiB
C++
/*
|
|
* Copyright (c) 2023, Edwin Rijkee <edwin@virtualparadise.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <Kernel/Bus/PCI/API.h>
|
|
#include <Kernel/Bus/PCI/BarMapping.h>
|
|
#include <Kernel/Bus/PCI/IDs.h>
|
|
#include <Kernel/Devices/GPU/3dfx/Definitions.h>
|
|
#include <Kernel/Devices/GPU/3dfx/GraphicsAdapter.h>
|
|
#include <Kernel/Devices/GPU/3dfx/VoodooDisplayConnector.h>
|
|
|
|
namespace Kernel {
|
|
|
|
static constexpr u16 supported_models[] {
|
|
// 0x0003, // Banshee (untested)
|
|
0x0005, // Voodoo 3
|
|
// 0x0009 // Voodoo 4 / Voodoo 5 (untested)
|
|
};
|
|
|
|
static bool is_supported_model(u16 device_id)
|
|
{
|
|
for (auto& id : supported_models) {
|
|
if (id == device_id)
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
UNMAP_AFTER_INIT ErrorOr<bool> VoodooGraphicsAdapter::probe(PCI::DeviceIdentifier const& pci_device_identifier)
|
|
{
|
|
PCI::HardwareID id = pci_device_identifier.hardware_id();
|
|
return id.vendor_id == PCI::VendorID::Tdfx && is_supported_model(id.device_id);
|
|
}
|
|
|
|
UNMAP_AFTER_INIT ErrorOr<NonnullLockRefPtr<GenericGraphicsAdapter>> VoodooGraphicsAdapter::create(PCI::DeviceIdentifier const& pci_device_identifier)
|
|
{
|
|
auto adapter = TRY(adopt_nonnull_lock_ref_or_enomem(new (nothrow) VoodooGraphicsAdapter(pci_device_identifier)));
|
|
MUST(adapter->initialize_adapter(pci_device_identifier));
|
|
return adapter;
|
|
}
|
|
|
|
UNMAP_AFTER_INIT VoodooGraphicsAdapter::VoodooGraphicsAdapter(PCI::DeviceIdentifier const& device_identifier)
|
|
: PCI::Device(const_cast<PCI::DeviceIdentifier&>(device_identifier))
|
|
{
|
|
}
|
|
|
|
UNMAP_AFTER_INIT ErrorOr<void> VoodooGraphicsAdapter::initialize_adapter(PCI::DeviceIdentifier const& pci_device_identifier)
|
|
{
|
|
PCI::enable_io_space(device_identifier());
|
|
PCI::enable_memory_space(device_identifier());
|
|
|
|
auto mmio_mapping = TRY(PCI::map_bar<VoodooGraphics::RegisterMap volatile>(pci_device_identifier, PCI::HeaderType0BaseRegister::BAR0));
|
|
dbgln_if(TDFX_DEBUG, "3dfx mmio addr {} size {}", mmio_mapping.paddr, mmio_mapping.length);
|
|
|
|
auto vmem_addr = TRY(PCI::get_bar_address(pci_device_identifier, PCI::HeaderType0BaseRegister::BAR1));
|
|
auto vmem_size = PCI::get_BAR_space_size(pci_device_identifier, PCI::HeaderType0BaseRegister::BAR1);
|
|
dbgln_if(TDFX_DEBUG, "3dfx vmem addr {} size {}", vmem_addr, vmem_size);
|
|
|
|
auto io_window = TRY(IOWindow::create_for_pci_device_bar(pci_device_identifier, PCI::HeaderType0BaseRegister::BAR2));
|
|
|
|
m_display_connector = VoodooGraphics::VoodooDisplayConnector::must_create(vmem_addr, vmem_size, move(mmio_mapping), move(io_window));
|
|
TRY(m_display_connector->set_safe_mode_setting());
|
|
|
|
return {};
|
|
}
|
|
|
|
}
|