blob: 1c2c42684492491dd7baf66a417f12b7ea8be553 [file] [log] [blame]
// 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.
#include <fcntl.h>
#include <fuchsia/hardware/thermal/c/fidl.h>
#include <fuchsia/sysinfo/c/fidl.h>
#include <lib/fdio/fdio.h>
#include <lib/zx/channel.h>
#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <fbl/unique_fd.h>
#include <zxtest/zxtest.h>
zx_status_t GetDeviceHandle(const char* path, zx::channel* handle) {
fbl::unique_fd fd(open(path, O_RDWR));
if (fd.get() < -1) {
fprintf(stderr, "Failed to open device: %d\n", fd.get());
return ZX_ERR_IO;
}
zx_status_t status = fdio_get_service_handle(fd.release(), handle->reset_and_get_address());
if (status != ZX_OK) {
fprintf(stderr, "Failed to get FDIO handle for thermal device: %d\n", status);
}
return status;
}
bool IsMt8167() {
constexpr char kSysInfoPath[] = "/dev/misc/sysinfo";
zx::channel channel;
zx_status_t status = GetDeviceHandle(kSysInfoPath, &channel);
if (status != ZX_OK)
return false;
char board_name[fuchsia_sysinfo_SYSINFO_BOARD_NAME_LEN + 1];
size_t actual_size;
zx_status_t fidl_status = fuchsia_sysinfo_DeviceGetBoardName(channel.get(), &status, board_name,
sizeof(board_name), &actual_size);
if (fidl_status != ZX_OK || status != ZX_OK) {
return false;
}
board_name[actual_size] = '\0';
if (!strcmp(board_name, "mt8167s_ref")) {
return true;
}
if (!strcmp(board_name, "cleo")) {
return true;
}
return false;
}
TEST(Thermal, ConstantVoltage) {
if (!IsMt8167()) {
fprintf(stderr, "Skipping because not Mt8167 board\n");
return;
}
zx::channel channel;
zx_status_t status = GetDeviceHandle("/dev/class/thermal/000", &channel);
ASSERT_OK(status);
fuchsia_hardware_thermal_ThermalDeviceInfo info;
zx_status_t status2;
status = fuchsia_hardware_thermal_DeviceGetDeviceInfo(channel.get(), &status2, &info);
ASSERT_OK(status);
ASSERT_OK(status2);
uint16_t opp;
constexpr uint32_t kDomain = fuchsia_hardware_thermal_PowerDomain_BIG_CLUSTER_POWER_DOMAIN;
status =
fuchsia_hardware_thermal_DeviceGetDvfsOperatingPoint(channel.get(), kDomain, &status2, &opp);
ASSERT_OK(status);
ASSERT_OK(status2);
// Any OPP that's in use should be the same voltage.
constexpr uint32_t kConstantVoltage = 1'300'000;
EXPECT_EQ(kConstantVoltage, info.opps[kDomain].opp[opp].volt_uv);
}