zircon/system/dev/lib/amlogic/include/soc/aml-common/aml-thermal.h

// 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 <ddk/io-buffer.h>
#include <ddk/metadata.h>
#include <ddk/protocol/gpio.h>
#include <ddk/protocol/scpi.h>
#include <ddk/debug.h>
#include <ddk/device.h>
#include <ddk/platform-defs.h>
#include <ddk/protocol/platform/device.h>
#include <fuchsia/hardware/thermal/c/fidl.h>
#include <threads.h>

#define THERMAL_ERROR(fmt, ...) zxlogf(ERROR, "[%s %d]" fmt, __func__, __LINE__, ##__VA_ARGS__)
#define THERMAL_INFO(fmt, ...) zxlogf(INFO, "[%s %d]" fmt, __func__, __LINE__, ##__VA_ARGS__)

#define MAX_VOLTAGE_TABLE 31

// GPIO Indexes
enum {
    FAN_CTL0,
    FAN_CTL1,
    FAN_CTL_COUNT,
};

typedef struct {
    zx_device_t*                                zxdev;
    pdev_protocol_t                             pdev;

    gpio_protocol_t                             gpios[FAN_CTL_COUNT];
    scpi_protocol_t                             scpi;

    zx_handle_t                                 port;

    thrd_t                                      notify_thread;

    fuchsia_hardware_thermal_ThermalDeviceInfo* device;

    uint32_t                                    temp_sensor_id;

    uint32_t                                    current_trip_idx;
    uint32_t                                    current_temperature;
    uint32_t                                    current_fan_level;
    uint32_t                                    current_big_cluster_opp_idx;
    uint32_t                                    current_little_cluster_opp_idx;
} aml_thermal_t;

typedef struct {
    uint32_t microvolt;
    uint32_t duty_cycle;
} aml_voltage_table_t;

typedef struct {
    fuchsia_hardware_thermal_OperatingPointEntry opps[fuchsia_hardware_thermal_MAX_TRIP_POINTS];
    aml_voltage_table_t voltage_table[MAX_VOLTAGE_TABLE];
} aml_opp_info_t;