sdk/banjo/ddk.protocol.powerimpl/power-impl.banjo

// 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.

library ddk.protocol.powerimpl;

using zx;
using ddk.protocol.power;

[Layout = "ddk-protocol"]
protocol PowerImpl {
    /// Get status of a power domain
    GetPowerDomainStatus(uint32 index) -> (zx.status s,
                                           ddk.protocol.power.PowerDomainStatus status);
    /// Enable a power domain
    EnablePowerDomain(uint32 index) -> (zx.status s);
    /// Disable a power domain
    DisablePowerDomain(uint32 index) -> (zx.status s);
    /// Get Supported Voltage Range. min and max are in uV.
    GetSupportedVoltageRange(uint32 index) -> (zx.status s, uint32 min, uint32 max);
    /// Request for a particular voltage. "voltage" and actual_voltage are in microvolts(uV)
    RequestVoltage(uint32 index, uint32 voltage) -> (zx.status s, uint32 actual_voltage);
    /// Get current voltage in uV.
    GetCurrentVoltage(uint32 index) -> (zx.status s, uint32 current_voltage);
    /// Write to ctrl register of PMIC
    WritePmicCtrlReg(uint32 index, uint32 reg_addr, uint32 value) -> (zx.status s);
    /// Read ctrl register of PMIC
    ReadPmicCtrlReg(uint32 index, uint32 reg_addr) -> (zx.status s, uint32 value);
};