src/devices/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.

#ifndef SRC_DEVICES_LIB_AMLOGIC_INCLUDE_SOC_AML_COMMON_AML_THERMAL_H_
#define SRC_DEVICES_LIB_AMLOGIC_INCLUDE_SOC_AML_COMMON_AML_THERMAL_H_

#include <fuchsia/hardware/thermal/c/fidl.h>

#define MAX_VOLTAGE_TABLE 37
#define MAX_DVFS_TABLE 3

#define AMLOGIC_SMC_GET_DVFS_TABLE_INDEX 0x82000088

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

typedef struct {
  aml_voltage_table_t voltage_table[MAX_VOLTAGE_TABLE];
  uint32_t initial_cluster_frequencies[fuchsia_hardware_thermal_MAX_DVFS_DOMAINS];
  uint32_t voltage_pwm_period_ns;
  // Multiple DVFS tables are specified for Nelson, and one gets selected by a secure monitor call
  // at boot. The thermal driver will use these tables only if it gets an SMC resource, otherwise it
  // use the tables in ThermalDeviceInfo as usual.
  fuchsia_hardware_thermal_OperatingPoint opps[fuchsia_hardware_thermal_MAX_DVFS_DOMAINS]
                                              [MAX_DVFS_TABLE];
  // Maps PowerDomain to cluster numbers used by the secure monitor.
  uint64_t cluster_id_map[fuchsia_hardware_thermal_MAX_DVFS_DOMAINS];
} aml_thermal_info_t;

#endif  // SRC_DEVICES_LIB_AMLOGIC_INCLUDE_SOC_AML_COMMON_AML_THERMAL_H_