| // 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. |
| |
| #ifndef SRC_UI_LIGHT_DRIVERS_AML_LIGHT_AML_LIGHT_H_ |
| #define SRC_UI_LIGHT_DRIVERS_AML_LIGHT_AML_LIGHT_H_ |
| |
| #include <fidl/fuchsia.hardware.light/cpp/wire.h> |
| #include <fuchsia/hardware/gpio/cpp/banjo.h> |
| #include <fuchsia/hardware/pwm/cpp/banjo.h> |
| #include <lib/ddk/debug.h> |
| #include <threads.h> |
| |
| #include <optional> |
| #include <string> |
| #include <vector> |
| |
| #include <ddktl/device.h> |
| #include <ddktl/protocol/empty-protocol.h> |
| #include <fbl/array.h> |
| #include <soc/aml-common/aml-pwm-regs.h> |
| |
| namespace aml_light { |
| |
| using fuchsia_hardware_light::Light; |
| using fuchsia_hardware_light::wire::Capability; |
| using fuchsia_hardware_light::wire::LightError; |
| using fuchsia_hardware_light::wire::Rgb; |
| |
| class AmlLight; |
| using AmlLightType = ddk::Device<AmlLight, ddk::Messageable<Light>::Mixin>; |
| |
| class LightDevice { |
| public: |
| LightDevice(std::string name, ddk::GpioProtocolClient gpio, |
| std::optional<ddk::PwmProtocolClient> pwm) |
| : name_(std::move(name)), gpio_(gpio), pwm_(pwm) {} |
| |
| zx_status_t Init(bool init_on); |
| |
| const std::string GetName() const { return name_; } |
| Capability GetCapability() const { |
| return pwm_.has_value() ? Capability::kBrightness : Capability::kSimple; |
| } |
| bool GetCurrentSimpleValue() const { return (value_ != 0); } |
| zx_status_t SetSimpleValue(bool value); |
| double GetCurrentBrightnessValue() const { return value_; } |
| zx_status_t SetBrightnessValue(double value); |
| |
| private: |
| std::string name_; |
| ddk::GpioProtocolClient gpio_; |
| std::optional<ddk::PwmProtocolClient> pwm_; |
| |
| double value_ = 0; |
| }; |
| |
| class AmlLight : public AmlLightType, public ddk::EmptyProtocol<ZX_PROTOCOL_LIGHT> { |
| public: |
| explicit AmlLight(zx_device_t* parent) : AmlLightType(parent) {} |
| |
| static zx_status_t Create(void* ctx, zx_device_t* parent); |
| |
| // Device protocol implementation. |
| void DdkRelease(); |
| |
| // FIDL messages. |
| void GetNumLights(GetNumLightsRequestView request, |
| GetNumLightsCompleter::Sync& completer) override; |
| void GetNumLightGroups(GetNumLightGroupsRequestView request, |
| GetNumLightGroupsCompleter::Sync& completer) override; |
| void GetInfo(GetInfoRequestView request, GetInfoCompleter::Sync& completer) override; |
| void GetCurrentSimpleValue(GetCurrentSimpleValueRequestView request, |
| GetCurrentSimpleValueCompleter::Sync& completer) override; |
| void SetSimpleValue(SetSimpleValueRequestView request, |
| SetSimpleValueCompleter::Sync& completer) override; |
| void GetCurrentBrightnessValue(GetCurrentBrightnessValueRequestView request, |
| GetCurrentBrightnessValueCompleter::Sync& completer) override; |
| void SetBrightnessValue(SetBrightnessValueRequestView request, |
| SetBrightnessValueCompleter::Sync& completer) override; |
| void GetCurrentRgbValue(GetCurrentRgbValueRequestView request, |
| GetCurrentRgbValueCompleter::Sync& completer) override; |
| void SetRgbValue(SetRgbValueRequestView request, SetRgbValueCompleter::Sync& completer) override; |
| |
| void GetGroupInfo(GetGroupInfoRequestView request, |
| GetGroupInfoCompleter::Sync& completer) override { |
| completer.ReplyError(LightError::kNotSupported); |
| } |
| void GetGroupCurrentSimpleValue(GetGroupCurrentSimpleValueRequestView request, |
| GetGroupCurrentSimpleValueCompleter::Sync& completer) override { |
| completer.ReplyError(LightError::kNotSupported); |
| } |
| void SetGroupSimpleValue(SetGroupSimpleValueRequestView request, |
| SetGroupSimpleValueCompleter::Sync& completer) override { |
| completer.ReplyError(LightError::kNotSupported); |
| } |
| void GetGroupCurrentBrightnessValue( |
| GetGroupCurrentBrightnessValueRequestView request, |
| GetGroupCurrentBrightnessValueCompleter::Sync& completer) override { |
| completer.ReplyError(LightError::kNotSupported); |
| } |
| void SetGroupBrightnessValue(SetGroupBrightnessValueRequestView request, |
| SetGroupBrightnessValueCompleter::Sync& completer) override { |
| completer.ReplyError(LightError::kNotSupported); |
| } |
| void GetGroupCurrentRgbValue(GetGroupCurrentRgbValueRequestView request, |
| GetGroupCurrentRgbValueCompleter::Sync& completer) override { |
| completer.ReplyError(LightError::kNotSupported); |
| } |
| void SetGroupRgbValue(SetGroupRgbValueRequestView request, |
| SetGroupRgbValueCompleter::Sync& completer) override { |
| completer.ReplyError(LightError::kNotSupported); |
| } |
| |
| private: |
| DISALLOW_COPY_ASSIGN_AND_MOVE(AmlLight); |
| friend class FakeAmlLight; |
| |
| zx_status_t Init(); |
| |
| static constexpr size_t kNameLength = ZX_MAX_NAME_LEN; |
| |
| std::vector<LightDevice> lights_; |
| }; |
| |
| } // namespace aml_light |
| |
| #endif // SRC_UI_LIGHT_DRIVERS_AML_LIGHT_AML_LIGHT_H_ |