/*
 * Copyright © 2020 Intel Corporation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 *
 */

#include "igt.h"
#ifdef HAVE_CHAMELIUM
#include "igt_chamelium.h"
#endif
#include "igt_kms.h"
#include "igt_psr.h"
#include "igt_sysfs.h"

static int fd;
static int debugfs_fd;
static igt_display_t display;

IGT_TEST_DESCRIPTION("A metatest that checks for \"features\" presence. "
		     "The subtests here should only skip or pass, "
		     "anything else means we have a serious problem.");
igt_main {

	igt_fixture {
		fd = drm_open_driver_master(DRIVER_ANY);
		debugfs_fd = igt_debugfs_dir(fd);
	}

	igt_subtest_group {

		igt_fixture {
			igt_display_require(&display, fd);
		}

		igt_describe("Make sure that we have display support with some outputs connected.");
		igt_subtest("display") {
			/* will skip because of the fixture */
		}

		igt_subtest_group {
			volatile int output_count = 0;
			igt_output_t *output;
			enum pipe pipe;

			igt_fixture {
				/* this is what most of the 2x tests are doing */
				for_each_pipe(&display, pipe) {
					for_each_valid_output_on_pipe(&display, pipe, output) {
						if (output->pending_pipe == PIPE_NONE) {
							igt_output_set_pipe(output, pipe);
							output_count++;
							break;
						}
					}
				}

				for (int i = 0; i < display.n_outputs; i++) {
					igt_output_set_pipe(&display.outputs[i], PIPE_NONE);
				}
			}

			igt_describe("Make sure that we can use at least 2 outputs at the same time.");
			igt_subtest("display-2x") {
				igt_require(output_count >= 2);
			}

			igt_describe("Make sure that we can use at least 3 outputs at the same time.");
			igt_subtest("display-3x") {
				igt_require(output_count >= 3);
			}

			igt_describe("Make sure that we can use at least 4 outputs at the same time.");
			igt_subtest("display-4x") {
				igt_require(output_count >= 4);
			}
		}

#ifdef HAVE_CHAMELIUM
		igt_describe("Make sure that Chamelium is configured and reachable.");
		igt_subtest("chamelium") {
			struct chamelium *chamelium = chamelium_init(fd);
			igt_require(chamelium);
			chamelium_deinit(chamelium);
		}
#endif

		igt_describe("Make sure that we have eDP panel with PSR1 support.");
		igt_subtest("psr1") {
			igt_require(psr_sink_support(fd, debugfs_fd, PSR_MODE_1));
		}

		igt_describe("Make sure that we have eDP panel with PSR2 support.");
		igt_subtest("psr2") {
			igt_require(psr_sink_support(fd, debugfs_fd, PSR_MODE_2));
		}
	}
}