| // 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. |
| |
| #ifndef ZIRCON_SYSTEM_DEV_DISPLAY_SIMPLE_SIMPLE_DISPLAY_H_ |
| #define ZIRCON_SYSTEM_DEV_DISPLAY_SIMPLE_SIMPLE_DISPLAY_H_ |
| |
| #include <ddk/driver.h> |
| #include <zircon/compiler.h> |
| #include <zircon/pixelformat.h> |
| |
| #if __cplusplus |
| |
| #include <ddktl/device.h> |
| #include <ddktl/protocol/display/controller.h> |
| #include <fbl/unique_ptr.h> |
| #include <lib/mmio/mmio.h> |
| #include <lib/zx/vmo.h> |
| |
| class SimpleDisplay; |
| using DeviceType = ddk::Device<SimpleDisplay, ddk::Unbindable>; |
| |
| class SimpleDisplay : public DeviceType, |
| public ddk::DisplayControllerImplProtocol<SimpleDisplay, ddk::base_protocol> { |
| public: |
| SimpleDisplay(zx_device_t* parent, ddk::MmioBuffer framebuffer_mmio, uint32_t width, |
| uint32_t height, uint32_t stride, zx_pixel_format_t format); |
| ~SimpleDisplay() = default; |
| |
| void DdkUnbind(); |
| void DdkRelease(); |
| zx_status_t Bind(const char* name, fbl::unique_ptr<SimpleDisplay>* controller_ptr); |
| |
| void DisplayControllerImplSetDisplayControllerInterface( |
| const display_controller_interface_protocol_t* intf); |
| zx_status_t DisplayControllerImplImportVmoImage(image_t* image, zx::vmo vmo, size_t offset); |
| zx_status_t DisplayControllerImplImportImage(image_t* image, zx_unowned_handle_t handle, |
| uint32_t index) { |
| return ZX_ERR_NOT_SUPPORTED; |
| } |
| void DisplayControllerImplReleaseImage(image_t* image); |
| uint32_t DisplayControllerImplCheckConfiguration(const display_config_t** display_configs, |
| size_t display_count, |
| uint32_t** layer_cfg_results, |
| size_t* layer_cfg_result_count); |
| void DisplayControllerImplApplyConfiguration(const display_config_t** display_config, |
| size_t display_count); |
| uint32_t DisplayControllerImplComputeLinearStride(uint32_t width, zx_pixel_format_t format); |
| zx_status_t DisplayControllerImplAllocateVmo(uint64_t size, zx::vmo* vmo_out); |
| zx_status_t DisplayControllerImplGetSysmemConnection(zx::channel connection) { |
| return ZX_ERR_NOT_SUPPORTED; |
| } |
| zx_status_t DisplayControllerImplSetBufferCollectionConstraints(const image_t* config, |
| uint32_t collection) { |
| return ZX_ERR_NOT_SUPPORTED; |
| } |
| zx_status_t DisplayControllerImplGetSingleBufferFramebuffer(zx::vmo* out_vmo, |
| uint32_t* out_stride); |
| |
| private: |
| ddk::MmioBuffer framebuffer_mmio_; |
| zx_koid_t framebuffer_koid_; |
| |
| uint32_t width_; |
| uint32_t height_; |
| uint32_t stride_; |
| zx_pixel_format_t format_; |
| |
| ddk::DisplayControllerInterfaceProtocolClient intf_; |
| }; |
| |
| #endif // __cplusplus |
| |
| __BEGIN_CDECLS |
| zx_status_t bind_simple_pci_display(zx_device_t* dev, const char* name, uint32_t bar, |
| uint32_t width, uint32_t height, uint32_t stride, |
| zx_pixel_format_t format); |
| |
| zx_status_t bind_simple_pci_display_bootloader(zx_device_t* dev, const char* name, uint32_t bar); |
| __END_CDECLS |
| |
| #endif // ZIRCON_SYSTEM_DEV_DISPLAY_SIMPLE_SIMPLE_DISPLAY_H_ |