123456789101112131415161718192021222324252627282930313233343536373839404142 |
- /*
- * Copyright (c) 2021, Idan Horowitz <idan.horowitz@serenityos.org>
- *
- * SPDX-License-Identifier: BSD-2-Clause
- */
- #pragma once
- #include <Kernel/Bus/PCI/Device.h>
- #include <Kernel/Bus/PCI/IDs.h>
- #include <Kernel/Devices/CharacterDevice.h>
- #include <Kernel/Devices/SerialDevice.h>
- namespace Kernel {
- class PCISerialDevice {
- AK_MAKE_ETERNAL
- public:
- static void detect();
- static SerialDevice& the();
- static bool is_available();
- private:
- struct BoardDefinition {
- PCI::ID device_id;
- StringView name;
- u32 port_count { 0 };
- u32 pci_bar { 0 };
- u32 first_offset { 0 };
- u32 port_size { 0 };
- SerialDevice::Baud baud_rate { SerialDevice::Baud::Baud38400 };
- };
- static constexpr BoardDefinition board_definitions[4] = {
- { { PCI::VendorID::WCH, 0x3253 }, "WCH CH382 2S", 2, 0, 0xC0, 8, SerialDevice::Baud::Baud115200 },
- { { PCI::VendorID::RedHat, 0x0002 }, "QEMU PCI 16550A", 1, 0, 0, 8, SerialDevice::Baud::Baud115200 },
- { { PCI::VendorID::RedHat, 0x0003 }, "QEMU PCI Dual-port 16550A", 2, 0, 0, 8, SerialDevice::Baud::Baud115200 },
- { { PCI::VendorID::RedHat, 0x0004 }, "QEMU PCI Quad-port 16550A", 4, 0, 0, 8, SerialDevice::Baud::Baud115200 }
- };
- };
- }
|