1 // Copyright 2018 The Fuchsia Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #pragma once 6 7 #include "aml-cpufreq.h" 8 #include "aml-pwm.h" 9 #include "aml-tsensor.h" 10 #include "aml-voltage.h" 11 #include <ddk/device.h> 12 #include <ddktl/device.h> 13 #include <ddktl/protocol/empty-protocol.h> 14 #include <fbl/unique_ptr.h> 15 #include <threads.h> 16 17 #include <utility> 18 19 namespace thermal { 20 21 class AmlThermal; 22 using DeviceType = ddk::Device<AmlThermal, 23 ddk::Unbindable, 24 ddk::Ioctlable>; 25 26 class AmlThermal : public DeviceType, 27 public ddk::EmptyProtocol<ZX_PROTOCOL_THERMAL> { 28 29 public: 30 DISALLOW_COPY_AND_ASSIGN_ALLOW_MOVE(AmlThermal); AmlThermal(zx_device_t * device,fbl::unique_ptr<thermal::AmlTSensor> tsensor,fbl::unique_ptr<thermal::AmlVoltageRegulator> voltage_regulator,fbl::unique_ptr<thermal::AmlCpuFrequency> cpufreq_scaling,opp_info_t opp_info,thermal_device_info_t thermal_config)31 AmlThermal(zx_device_t* device, fbl::unique_ptr<thermal::AmlTSensor> tsensor, 32 fbl::unique_ptr<thermal::AmlVoltageRegulator> voltage_regulator, 33 fbl::unique_ptr<thermal::AmlCpuFrequency> cpufreq_scaling, 34 opp_info_t opp_info, 35 thermal_device_info_t thermal_config) 36 : DeviceType(device), tsensor_(std::move(tsensor)), 37 voltage_regulator_(std::move(voltage_regulator)), 38 cpufreq_scaling_(std::move(cpufreq_scaling)), 39 opp_info_(std::move(opp_info)), 40 thermal_config_(std::move(thermal_config)) {} 41 42 static zx_status_t Create(zx_device_t* device); 43 44 // Ddk Hooks 45 void DdkUnbind(); 46 void DdkRelease(); 47 zx_status_t DdkIoctl(uint32_t op, const void* in_buf, size_t in_len, 48 void* out_buf, size_t out_len, size_t* out_actual); 49 50 private: 51 int ThermalNotificationThread(); 52 zx_status_t NotifyThermalDaemon(); 53 zx_status_t SetTarget(uint32_t opp_idx); 54 55 fbl::unique_ptr<thermal::AmlTSensor> tsensor_; 56 fbl::unique_ptr<thermal::AmlVoltageRegulator> voltage_regulator_; 57 fbl::unique_ptr<thermal::AmlCpuFrequency> cpufreq_scaling_; 58 opp_info_t opp_info_; 59 thermal_device_info_t thermal_config_; 60 }; 61 } // namespace thermal 62