| // Copyright 2016 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 "device_id.h" |
| #include "forcewake.h" |
| #include "helper/platform_device_helper.h" |
| #include "mock/mock_mmio.h" |
| #include "msd_intel_device.h" |
| #include "platform_mmio.h" |
| #include "registers.h" |
| #include "gtest/gtest.h" |
| |
| class TestForceWake { |
| public: |
| TestForceWake(registers::ForceWake::Domain domain) : domain_(domain) |
| { |
| switch (domain) { |
| case registers::ForceWake::GEN9_RENDER: |
| offset_ = registers::ForceWake::kRenderOffset; |
| status_offset_ = registers::ForceWake::kRenderStatusOffset; |
| break; |
| } |
| |
| register_io_ = std::make_unique<magma::RegisterIo>(MockMmio::Create(2 * 1024 * 1024)); |
| } |
| |
| void Reset() |
| { |
| register_io_->mmio()->Write32(offset_, 0); |
| ForceWake::reset(register_io_.get(), domain_); |
| EXPECT_EQ(0xFFFF0000, register_io_->mmio()->Read32(offset_)); |
| } |
| |
| void Request() |
| { |
| register_io_->mmio()->Write32(status_offset_, 0); |
| |
| // Verify timeout waiting for status |
| auto start = std::chrono::high_resolution_clock::now(); |
| ForceWake::request(register_io_.get(), domain_); |
| auto end = std::chrono::high_resolution_clock::now(); |
| std::chrono::duration<double, std::milli> elapsed = end - start; |
| |
| EXPECT_EQ(0x00010001u, register_io_->mmio()->Read32(offset_)); |
| EXPECT_GE(elapsed.count(), (uint32_t)ForceWake::kRetryMaxMs); |
| } |
| |
| void Release() |
| { |
| register_io_->mmio()->Write32(status_offset_, 0xFFFFFFFF); |
| |
| // Verify timeout waiting for status |
| auto start = std::chrono::high_resolution_clock::now(); |
| ForceWake::release(register_io_.get(), domain_); |
| auto end = std::chrono::high_resolution_clock::now(); |
| std::chrono::duration<double, std::milli> elapsed = end - start; |
| |
| EXPECT_EQ(0x00010000u, register_io_->mmio()->Read32(offset_)); |
| EXPECT_GE(elapsed.count(), (uint32_t)ForceWake::kRetryMaxMs); |
| } |
| |
| private: |
| std::unique_ptr<magma::RegisterIo> register_io_; |
| registers::ForceWake::Domain domain_; |
| uint32_t offset_; |
| uint32_t status_offset_; |
| }; |
| |
| TEST(ForceWake, Reset) |
| { |
| magma::PlatformPciDevice* platform_device = TestPlatformPciDevice::GetInstance(); |
| ASSERT_NE(platform_device, nullptr); |
| |
| uint16_t device_id; |
| ASSERT_TRUE(platform_device->ReadPciConfig16(2, &device_id)); |
| |
| if (DeviceId::is_gen9(device_id)) { |
| TestForceWake test(registers::ForceWake::GEN9_RENDER); |
| test.Reset(); |
| } else { |
| ASSERT_TRUE(false); |
| } |
| } |
| |
| TEST(ForceWake, Request) |
| { |
| magma::PlatformPciDevice* platform_device = TestPlatformPciDevice::GetInstance(); |
| ASSERT_NE(platform_device, nullptr); |
| |
| uint16_t device_id; |
| ASSERT_TRUE(platform_device->ReadPciConfig16(2, &device_id)); |
| |
| if (DeviceId::is_gen9(device_id)) { |
| TestForceWake test(registers::ForceWake::GEN9_RENDER); |
| test.Request(); |
| } else { |
| ASSERT_TRUE(false); |
| } |
| } |
| |
| TEST(ForceWake, Release) |
| { |
| magma::PlatformPciDevice* platform_device = TestPlatformPciDevice::GetInstance(); |
| ASSERT_NE(platform_device, nullptr); |
| |
| uint16_t device_id; |
| ASSERT_TRUE(platform_device->ReadPciConfig16(2, &device_id)); |
| |
| if (DeviceId::is_gen9(device_id)) { |
| TestForceWake test(registers::ForceWake::GEN9_RENDER); |
| test.Release(); |
| } else { |
| ASSERT_TRUE(false); |
| } |
| } |