| // Copyright 2018 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #pragma once |
| |
| #include <zircon/compiler.h> |
| #include <ddk/protocol/platform/device.h> |
| #include <ddk/protocol/platform-device-lib.h> |
| #include <lib/mmio/mmio.h> |
| |
| #include "common.h" |
| #include "vpu-regs.h" |
| #include <optional> |
| |
| |
| namespace astro_display { |
| |
| class Vpu { |
| public: |
| Vpu() {} |
| zx_status_t Init(zx_device_t* parent); |
| // This function powers on VPU related blocks. The function contains undocumented |
| // register and/or power-on sequences. |
| void PowerOn(); |
| // This function powers off VPU related blocks. The function contains undocumented |
| // register and/or power-off sequences. |
| void PowerOff(); |
| // This function sets up default video post processing unit. It contains undocumented |
| // registers and/or initialization sequences |
| void VppInit(); |
| private: |
| // This function configures the VPU-related clocks. It contains undocumented registers |
| // and/or clock initialization sequences |
| void ConfigureClock(); |
| |
| std::optional<ddk::MmioBuffer> vpu_mmio_; |
| std::optional<ddk::MmioBuffer> hhi_mmio_; |
| std::optional<ddk::MmioBuffer> aobus_mmio_; |
| std::optional<ddk::MmioBuffer> cbus_mmio_; |
| pdev_protocol_t pdev_ = {}; |
| |
| bool initialized_ = false; |
| |
| }; |
| } // namespace astro_display |