/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <errno.h>
#include <fcntl.h>
#include <adf/adf.h>
#include <gtest/gtest.h>
#include <sys/mman.h>
#include <sync/sync.h>
class AdfTest : public testing::Test {
public:
AdfTest() : intf_id(0), intf(-1), eng_id(0), eng(-1) { }
virtual void SetUp() {
int err = adf_device_open(dev_id, O_RDWR, &dev);
ASSERT_GE(err, 0) << "opening ADF device " << dev_id <<
" failed: " << strerror(-err);
err = adf_find_simple_post_configuration(&dev, fmt8888, n_fmt8888,
&intf_id, &eng_id);
ASSERT_GE(err, 0) << "finding ADF configuration failed: " <<
strerror(-err);
intf = adf_interface_open(&dev, intf_id, O_RDWR);
ASSERT_GE(intf, 0) << "opening ADF interface " << dev_id << "." <<
intf_id << " failed: " << strerror(-intf);
eng = adf_overlay_engine_open(&dev, eng_id, O_RDWR);
ASSERT_GE(eng, 0) << "opening ADF overlay engine " << dev_id << "." <<
eng_id << " failed: " << strerror(-eng);
}
virtual void TearDown() {
if (eng >= 0)
close(eng);
if (intf >= 0)
close(intf);
adf_device_close(&dev);
}
void get8888Format(uint32_t &fmt, char fmt_str[ADF_FORMAT_STR_SIZE]) {
adf_overlay_engine_data data;
int err = adf_get_overlay_engine_data(eng, &data);
ASSERT_GE(err, 0) << "getting ADF overlay engine data failed: " <<
strerror(-err);
for (size_t i = 0; i < data.n_supported_formats; i++) {
for (size_t j = 0; j < n_fmt8888; j++) {
if (data.supported_formats[i] == fmt8888[j]) {
fmt = data.supported_formats[i];
adf_format_str(fmt, fmt_str);
adf_free_overlay_engine_data(&data);
return;
}
}
}
adf_free_overlay_engine_data(&data);
FAIL(); /* this should never happen */
}
/* various helpers to call ADF and die on failure */
void getInterfaceData(adf_interface_data &data) {
int err = adf_get_interface_data(intf, &data);
ASSERT_GE(err, 0) << "getting ADF interface data failed: " <<
strerror(-err);
}
void getCurrentMode(uint32_t &w, uint32_t &h) {
adf_interface_data data;
ASSERT_NO_FATAL_FAILURE(getInterfaceData(data));
w = data.current_mode.hdisplay;
h = data.current_mode.vdisplay;
adf_free_interface_data(&data);
}
void blank(uint8_t mode) {
int err = adf_interface_blank(intf, mode);
ASSERT_FALSE(err < 0 && err != -EBUSY) <<
"unblanking interface failed: " << strerror(-err);
}
void attach() {
int err = adf_device_attach(&dev, eng_id, intf_id);
ASSERT_FALSE(err < 0 && err != -EALREADY) <<
"attaching overlay engine " << eng_id << " to interface " <<
intf_id << " failed: " << strerror(-err);
}
void detach() {
int err = adf_device_detach(&dev, eng_id, intf_id);
ASSERT_FALSE(err < 0 && err != -EINVAL) <<
"detaching overlay engine " << eng_id << " from interface " <<
intf_id << " failed: " << strerror(-err);
}
void readVsyncTimestamp(uint64_t ×tamp) {
adf_event *event;
int err = adf_read_event(intf, &event);
ASSERT_GE(err, 0) << "reading ADF event failed: " << strerror(-err);
ASSERT_EQ(ADF_EVENT_VSYNC, event->type);
ASSERT_EQ(sizeof(adf_vsync_event), event->length);
adf_vsync_event *vsync_event =
reinterpret_cast<adf_vsync_event *>(event);
timestamp = vsync_event->timestamp;
free(event);
}
void drawCheckerboard(uint32_t &w, uint32_t &h, uint32_t &format,
char format_str[ADF_FORMAT_STR_SIZE], int &buf_fd, uint32_t &offset,
uint32_t &pitch) {
ASSERT_NO_FATAL_FAILURE(getCurrentMode(w, h));
ASSERT_NO_FATAL_FAILURE(get8888Format(format, format_str));
buf_fd = adf_interface_simple_buffer_alloc(intf, w, h, format, &offset,
&pitch);
ASSERT_GE(buf_fd, 0) << "allocating " << w << "x" << h << " " <<
format_str << " buffer failed: " << strerror(-buf_fd);
EXPECT_GE(pitch, w * 4);
void *mapped = mmap(NULL, pitch * h, PROT_WRITE, MAP_SHARED, buf_fd,
offset);
ASSERT_NE(mapped, MAP_FAILED) << "mapping " << w << "x" << h << " " <<
format_str << " buffer failed: " << strerror(-errno);
uint8_t *buf8 = static_cast<uint8_t *>(mapped);
for (uint32_t y = 0; y < h / 2; y++) {
uint32_t *scanline = reinterpret_cast<uint32_t *>(buf8 + y * pitch);
for (uint32_t x = 0; x < w / 2; x++)
scanline[x] = 0xFF0000FF;
for (uint32_t x = w / 2; x < w; x++)
scanline[x] = 0xFF00FFFF;
}
for (uint32_t y = h / 2; y < h; y++) {
uint32_t *scanline = reinterpret_cast<uint32_t *>(buf8 + y * pitch);
for (uint32_t x = 0; x < w / 2; x++)
scanline[x] = 0xFFFF00FF;
for (uint32_t x = w / 2; x < w; x++)
scanline[x] = 0xFFFFFFFF;
}
munmap(mapped, pitch * h);
}
protected:
adf_device dev;
adf_id_t intf_id;
int intf;
adf_id_t eng_id;
int eng;
private:
const static adf_id_t dev_id;
const static __u32 fmt8888[];
const static size_t n_fmt8888;
};
const adf_id_t AdfTest::dev_id = 0;
const __u32 AdfTest::fmt8888[] = {
DRM_FORMAT_XRGB8888,
DRM_FORMAT_XBGR8888,
DRM_FORMAT_RGBX8888,
DRM_FORMAT_BGRX8888,
DRM_FORMAT_ARGB8888,
DRM_FORMAT_ABGR8888,
DRM_FORMAT_RGBA8888,
DRM_FORMAT_BGRA8888
};
const size_t AdfTest::n_fmt8888 = sizeof(fmt8888) / sizeof(fmt8888[0]);
TEST(adf, devices) {
adf_id_t *devs = nullptr;
ssize_t n_devs = adf_devices(&devs);
free(devs);
ASSERT_GE(n_devs, 0) << "enumerating ADF devices failed: " <<
strerror(-n_devs);
ASSERT_TRUE(devs != NULL);
}
TEST_F(AdfTest, device_data) {
adf_device_data data;
int err = adf_get_device_data(&dev, &data);
ASSERT_GE(err, 0) << "getting ADF device data failed: " << strerror(-err);
EXPECT_LT(data.n_attachments, ADF_MAX_ATTACHMENTS);
EXPECT_GT(data.n_allowed_attachments, 0U);
EXPECT_LT(data.n_allowed_attachments, ADF_MAX_ATTACHMENTS);
EXPECT_LT(data.custom_data_size, (size_t)ADF_MAX_CUSTOM_DATA_SIZE);
adf_free_device_data(&data);
}
TEST_F(AdfTest, interface_data) {
adf_interface_data data;
ASSERT_NO_FATAL_FAILURE(getInterfaceData(data));
EXPECT_LT(data.type, ADF_INTF_TYPE_MAX);
EXPECT_LE(data.dpms_state, DRM_MODE_DPMS_OFF);
EXPECT_EQ(1, data.hotplug_detect);
EXPECT_GT(data.n_available_modes, 0U);
EXPECT_LT(data.custom_data_size, (size_t)ADF_MAX_CUSTOM_DATA_SIZE);
adf_free_interface_data(&data);
}
TEST_F(AdfTest, overlay_engine_data) {
adf_overlay_engine_data data;
int err = adf_get_overlay_engine_data(eng, &data);
ASSERT_GE(err, 0) << "getting ADF overlay engine failed: " <<
strerror(-err);
EXPECT_GT(data.n_supported_formats, 0U);
EXPECT_LT(data.n_supported_formats, ADF_MAX_SUPPORTED_FORMATS);
EXPECT_LT(data.custom_data_size, (size_t)ADF_MAX_CUSTOM_DATA_SIZE);
adf_free_overlay_engine_data(&data);
}
TEST_F(AdfTest, blank) {
int err = adf_interface_blank(intf, (uint8_t)-1);
EXPECT_EQ(-EINVAL, err) << "setting bogus DPMS mode should have failed";
err = adf_interface_blank(eng, DRM_MODE_DPMS_OFF);
EXPECT_EQ(-EINVAL, err) << "blanking overlay engine should have failed";
ASSERT_NO_FATAL_FAILURE(blank(DRM_MODE_DPMS_OFF));
err = adf_interface_blank(intf, DRM_MODE_DPMS_OFF);
EXPECT_EQ(-EBUSY, err) << "blanking interface twice should have failed";
ASSERT_NO_FATAL_FAILURE(blank(DRM_MODE_DPMS_ON));
err = adf_interface_blank(intf, DRM_MODE_DPMS_ON);
EXPECT_EQ(-EBUSY, err) << "unblanking interface twice should have failed";
adf_interface_data data;
ASSERT_NO_FATAL_FAILURE(getInterfaceData(data));
EXPECT_EQ(DRM_MODE_DPMS_ON, data.dpms_state);
adf_free_interface_data(&data);
}
TEST_F(AdfTest, event) {
int err = adf_set_event(intf, ADF_EVENT_TYPE_MAX, true);
EXPECT_EQ(-EINVAL, err) << "enabling bogus ADF event should have failed";
err = adf_set_event(intf, ADF_EVENT_TYPE_MAX, false);
EXPECT_EQ(-EINVAL, err) << "disabling bogus ADF event should have failed";
err = adf_set_event(intf, ADF_EVENT_VSYNC, true);
ASSERT_GE(err, 0) << "enabling vsync event failed: " << strerror(-err);
err = adf_set_event(intf, ADF_EVENT_VSYNC, true);
EXPECT_EQ(-EALREADY, err) <<
"enabling vsync event twice should have failed";
ASSERT_NO_FATAL_FAILURE(blank(DRM_MODE_DPMS_ON));
uint64_t timestamp1, timestamp2;
ASSERT_NO_FATAL_FAILURE(readVsyncTimestamp(timestamp1));
ASSERT_NO_FATAL_FAILURE(readVsyncTimestamp(timestamp2));
EXPECT_GT(timestamp2, timestamp1);
err = adf_set_event(intf, ADF_EVENT_VSYNC, false);
EXPECT_GE(err, 0) << "disabling vsync event failed: " << strerror(-err);
err = adf_set_event(intf, ADF_EVENT_VSYNC, false);
EXPECT_EQ(-EALREADY, err) <<
"disabling vsync event twice should have failed";
}
TEST_F(AdfTest, attach) {
ASSERT_NO_FATAL_FAILURE(attach());
int err = adf_device_attach(&dev, eng_id, intf_id);
EXPECT_EQ(-EALREADY, err) << "attaching overlay engine " << eng_id <<
" to interface " << intf_id << " twice should have failed";
ASSERT_NO_FATAL_FAILURE(detach());
err = adf_device_detach(&dev, eng_id, intf_id);
EXPECT_EQ(-EINVAL, err) << "detaching overlay engine " << eng_id <<
" from interface " << intf_id << " twice should have failed";
err = adf_device_attach(&dev, eng_id, ADF_MAX_INTERFACES);
EXPECT_EQ(-EINVAL, err) << "attaching overlay engine " << eng_id <<
" to bogus interface should have failed";
err = adf_device_detach(&dev, eng_id, ADF_MAX_INTERFACES);
EXPECT_EQ(-EINVAL, err) << "detaching overlay engine " << eng_id <<
" from bogus interface should have failed";
}
TEST_F(AdfTest, simple_buffer_alloc) {
uint32_t w = 0, h = 0;
ASSERT_NO_FATAL_FAILURE(getCurrentMode(w, h));
uint32_t format;
char format_str[ADF_FORMAT_STR_SIZE];
ASSERT_NO_FATAL_FAILURE(get8888Format(format, format_str));
uint32_t offset;
uint32_t pitch;
int buf_fd = adf_interface_simple_buffer_alloc(intf, w, h, format, &offset,
&pitch);
EXPECT_GE(buf_fd, 0) << "allocating " << w << "x" << h << " " <<
format_str << " buffer failed: " << strerror(-buf_fd);
EXPECT_GE(pitch, w * 4);
close(buf_fd);
buf_fd = adf_interface_simple_buffer_alloc(intf, w, h, 0xDEADBEEF, &offset,
&pitch);
/* n.b.: ADF only allows simple buffers with built-in RGB formats,
so this should fail even if a driver supports custom format 0xDEADBEEF */
EXPECT_EQ(-EINVAL, buf_fd) <<
"allocating buffer with bogus format should have failed";
}
TEST_F(AdfTest, simple_buffer) {
int buf_fd;
uint32_t w, h, format, offset, pitch;
char format_str[ADF_FORMAT_STR_SIZE];
ASSERT_NO_FATAL_FAILURE(drawCheckerboard(w, h, format, format_str,
buf_fd, offset, pitch));
ASSERT_NO_FATAL_FAILURE(attach());
ASSERT_NO_FATAL_FAILURE(blank(DRM_MODE_DPMS_ON));
int release_fence = adf_interface_simple_post(intf, eng_id, w, h, format,
buf_fd, offset, pitch, -1);
close(buf_fd);
ASSERT_GE(release_fence, 0) << "posting " << w << "x" << h << " " <<
format_str << " buffer failed: " << strerror(-release_fence);
close(release_fence);
}
TEST_F(AdfTest, simple_buffer_v2) {
int buf_fd;
uint32_t w, h, format, offset, pitch;
char format_str[ADF_FORMAT_STR_SIZE];
ASSERT_NO_FATAL_FAILURE(drawCheckerboard(w, h, format, format_str,
buf_fd, offset, pitch));
ASSERT_NO_FATAL_FAILURE(attach());
ASSERT_NO_FATAL_FAILURE(blank(DRM_MODE_DPMS_ON));
int config_1_release;
int err = adf_interface_simple_post_v2(intf, eng_id, w, h,
format, buf_fd, offset, pitch, -1, ADF_COMPLETE_FENCE_RELEASE,
&config_1_release);
if (err == -ENOTTY) {
GTEST_LOG_(INFO) << "ADF_SIMPLE_POST_CONFIG_V2 not supported on this kernel";
return;
}
ASSERT_GE(err, 0) << "posting " << w << "x" << h << " " <<
format_str << " buffer failed: " << strerror(-err);
err = sync_wait(config_1_release, 1000);
ASSERT_EQ(-1, err) <<
"waiting for config 1's release fence should not have suceeded";
ASSERT_EQ(ETIME, errno) <<
"config 1's release fence should have timed out, but failed instead: " <<
strerror(errno);
int config_2_present;
err = adf_interface_simple_post_v2(intf, eng_id, w, h,
format, buf_fd, offset, pitch, -1, ADF_COMPLETE_FENCE_PRESENT,
&config_2_present);
ASSERT_GE(err, 0) << "posting " << w << "x" << h << " " <<
format_str << " buffer failed: " << strerror(-err);
err = sync_wait(config_2_present, 1000);
ASSERT_EQ(0, err) <<
"waiting for config 2's present fence failed: " << strerror(errno);
err = sync_wait(config_1_release, 0);
ASSERT_EQ(0, err) <<
"waiting for config 1's release fence failed: " << strerror(errno);
close(config_1_release);
close(config_2_present);
int config_3_no_fence;
err = adf_interface_simple_post_v2(intf, eng_id, w, h,
format, buf_fd, offset, pitch, -1, ADF_COMPLETE_FENCE_NONE,
&config_3_no_fence);
ASSERT_GE(err, 0) << "posting " << w << "x" << h << " " <<
format_str << " buffer failed: " << strerror(-err);
ASSERT_EQ(-1, config_3_no_fence) <<
"fence returned even though the fence type was ADF_COMPLETE_FENCE_NONE";
close(buf_fd);
}