blob: b7c684d4cc939bfcb60437f7037d70a9b99a3f14 [file] [log] [blame]
// Copyright 2020 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.
#include <fuchsia/hardware/platform/device/c/banjo.h>
#include <fuchsia/hardware/vreg/cpp/banjo.h>
#include <lib/ddk/debug.h>
#include <lib/ddk/driver.h>
#include <memory>
#include <ddktl/device.h>
#include "src/devices/bus/drivers/platform/test/test-vreg-bind.h"
namespace vreg {
class TestVregDevice;
using DeviceType = ddk::Device<TestVregDevice, ddk::Unbindable>;
class TestVregDevice : public DeviceType,
public ddk::VregProtocol<TestVregDevice, ddk::base_protocol> {
public:
static zx_status_t Create(void* ctx, zx_device_t* parent);
explicit TestVregDevice(zx_device_t* parent) : DeviceType(parent) {}
void DdkUnbind(ddk::UnbindTxn txn);
void DdkRelease();
// Vreg Implementation.
zx_status_t VregSetVoltageStep(uint32_t step);
uint32_t VregGetVoltageStep();
void VregGetRegulatorParams(vreg_params_t* out_params);
private:
uint32_t step_ = 123;
};
zx_status_t TestVregDevice::Create(void* ctx, zx_device_t* parent) {
auto dev = std::make_unique<TestVregDevice>(parent);
zxlogf(INFO, "TestVregDevice::Create");
auto status = dev->DdkAdd("test-vreg");
if (status != ZX_OK) {
zxlogf(ERROR, "%s: DdkAdd failed: %d", __func__, status);
return status;
}
__UNUSED auto ptr = dev.release();
return ZX_OK;
}
void TestVregDevice::DdkUnbind(ddk::UnbindTxn txn) { txn.Reply(); }
void TestVregDevice::DdkRelease() { delete this; }
zx_status_t TestVregDevice::VregSetVoltageStep(uint32_t step) {
step_ = step;
return ZX_OK;
}
uint32_t TestVregDevice::VregGetVoltageStep() { return step_; }
void TestVregDevice::VregGetRegulatorParams(vreg_params_t* out_params) {
out_params->min_uv = 123;
out_params->step_size_uv = 456;
out_params->num_steps = 789;
}
constexpr zx_driver_ops_t driver_ops = []() {
zx_driver_ops_t driver_ops = {};
driver_ops.version = DRIVER_OPS_VERSION;
driver_ops.bind = TestVregDevice::Create;
return driver_ops;
}();
} // namespace vreg
ZIRCON_DRIVER(test_vreg, vreg::driver_ops, "zircon", "0.1");