| // Copyright 2019 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 <lib/zx/bti.h> |
| #include <zircon/compiler.h> |
| #include <ddk/protocol/platform/device.h> |
| #include <ddk/protocol/platform-device-lib.h> |
| #include <zircon/assert.h> |
| #include <ddktl/device.h> |
| #include <lib/mmio/mmio.h> |
| #include <hwreg/mmio.h> |
| #include <fbl/unique_ptr.h> |
| #include <optional> |
| #include "common.h" |
| #include "registers-gamma.h" |
| |
| namespace mt8167s_display { |
| |
| // [Ovl] --> [Color] --> [CCorr] --> [AAL] --> [Gamma] --> [Dither] --> [RDMA] --> [DSI] |
| // |
| // Gamma engine changes the overall misture of RGB color to fit the characteristics of the target |
| // panel |
| |
| class Gamma { |
| public: |
| Gamma(uint32_t height, uint32_t width) |
| : height_(height), width_(width) { |
| ZX_ASSERT(height_ < kMaxHeight); |
| ZX_ASSERT(width_ < kMaxWidth); |
| } |
| zx_status_t Init(zx_device_t* parent); |
| zx_status_t Config(); |
| void PrintRegisters(); |
| |
| private: |
| fbl::unique_ptr<ddk::MmioBuffer> gamma_mmio_; |
| pdev_protocol_t pdev_ = {nullptr, nullptr}; |
| const uint32_t height_; // Display height |
| const uint32_t width_; // Display width |
| bool initialized_ = false; |
| }; |
| |
| } // namespace mt8167s_display |