/*
 * Copyright © 2022 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.
 *
 * Author:
 *  Jeevan B <jeevan.b@intel.com>
 */

#include "igt.h"

IGT_TEST_DESCRIPTION("Test Display Modes");

typedef struct {
	int drm_fd;
	igt_display_t display;
	int n_pipes;
} data_t;

static void run_extendedmode_basic(data_t *data, int pipe1, int pipe2)
{
	struct igt_fb fb, fbs[2];
	drmModeModeInfo *mode[2];
	igt_output_t *output, *extended_output[2];
	igt_display_t *display = &data->display;
	igt_plane_t *plane[2];
	igt_pipe_crc_t *pipe_crc[2] = { 0 };
	igt_crc_t ref_crc[2], crc[2];
	int count = 0, width, height;
	cairo_t *cr;

	for_each_connected_output(display, output) {
		extended_output[count] = output;
		count++;

		if (count > 1)
			break;
	}

	igt_output_set_pipe(extended_output[0], pipe1);
	igt_output_set_pipe(extended_output[1], pipe2);

	mode[0] = igt_output_get_mode(extended_output[0]);
	mode[1] = igt_output_get_mode(extended_output[1]);

	pipe_crc[0] = igt_pipe_crc_new(data->drm_fd, pipe1, INTEL_PIPE_CRC_SOURCE_AUTO);
	pipe_crc[1] = igt_pipe_crc_new(data->drm_fd, pipe2, INTEL_PIPE_CRC_SOURCE_AUTO);

	igt_create_color_fb(data->drm_fd, mode[0]->hdisplay, mode[0]->vdisplay,
			     DRM_FORMAT_XRGB8888, 0, 1, 0, 0, &fbs[0]);
	igt_create_color_fb(data->drm_fd, mode[1]->hdisplay, mode[1]->vdisplay,
			     DRM_FORMAT_XRGB8888, 0, 0, 0, 1, &fbs[1]);

	plane[0] = igt_pipe_get_plane_type(&display->pipes[pipe1], DRM_PLANE_TYPE_PRIMARY);
	plane[1] = igt_pipe_get_plane_type(&display->pipes[pipe2], DRM_PLANE_TYPE_PRIMARY);

	igt_plane_set_fb(plane[0], &fbs[0]);
	igt_fb_set_size(&fbs[0], plane[0], mode[0]->hdisplay, mode[0]->vdisplay);
	igt_plane_set_size(plane[0], mode[0]->hdisplay, mode[0]->vdisplay);

	igt_plane_set_fb(plane[1], &fbs[1]);
	igt_fb_set_size(&fbs[1], plane[1], mode[1]->hdisplay, mode[1]->vdisplay);
	igt_plane_set_size(plane[1], mode[1]->hdisplay, mode[1]->vdisplay);

	igt_display_commit2(display, COMMIT_ATOMIC);

	igt_pipe_crc_collect_crc(pipe_crc[0], &ref_crc[0]);
	igt_pipe_crc_collect_crc(pipe_crc[1], &ref_crc[1]);

	/*Create a big framebuffer and display it on 2 monitors*/
	width = mode[0]->hdisplay + mode[1]->hdisplay;
	height = max(mode[0]->vdisplay, mode[1]->vdisplay);

	igt_create_fb(data->drm_fd, width, height, DRM_FORMAT_XRGB8888, 0, &fb);
	cr = igt_get_cairo_ctx(data->drm_fd, &fb);
	igt_paint_color(cr, 0, 0, mode[0]->hdisplay, mode[0]->vdisplay, 1, 0, 0);
	igt_paint_color(cr, mode[0]->hdisplay, 0, mode[1]->hdisplay, mode[1]->vdisplay, 0, 0, 1);
	igt_put_cairo_ctx(cr);

	igt_plane_set_fb(plane[0], &fb);
	igt_fb_set_position(&fb, plane[0], 0, 0);
	igt_fb_set_size(&fb, plane[0], mode[0]->hdisplay, mode[0]->vdisplay);

	igt_plane_set_fb(plane[1], &fb);
	igt_fb_set_position(&fb, plane[1], mode[0]->hdisplay, 0);
	igt_fb_set_size(&fb, plane[1], mode[1]->hdisplay, mode[1]->vdisplay);

	igt_display_commit2(display, COMMIT_ATOMIC);

	igt_pipe_crc_collect_crc(pipe_crc[0], &crc[0]);
	igt_pipe_crc_collect_crc(pipe_crc[1], &crc[1]);

	/*Clean up*/
	igt_remove_fb(data->drm_fd, &fbs[0]);
	igt_remove_fb(data->drm_fd, &fbs[1]);
	igt_remove_fb(data->drm_fd, &fb);

	igt_pipe_crc_free(pipe_crc[0]);
	igt_pipe_crc_free(pipe_crc[1]);

	igt_output_set_pipe(extended_output[0], PIPE_NONE);
	igt_output_set_pipe(extended_output[1], PIPE_NONE);

	igt_plane_set_fb(igt_pipe_get_plane_type(&display->pipes[pipe1],
			  DRM_PLANE_TYPE_PRIMARY), NULL);
	igt_plane_set_fb(igt_pipe_get_plane_type(&display->pipes[pipe2],
			  DRM_PLANE_TYPE_PRIMARY), NULL);
	igt_display_commit2(display, COMMIT_ATOMIC);

	/*Compare CRC*/
	igt_assert_crc_equal(&crc[0], &ref_crc[0]);
	igt_assert_crc_equal(&crc[1], &ref_crc[1]);
}

igt_main
{
	data_t data;
	int valid_output = 0, i, j = 0;
	igt_output_t *output;
	int pipe[IGT_MAX_PIPES];

	igt_fixture {
		data.drm_fd = drm_open_driver_master(DRIVER_ANY);
		kmstest_set_vt_graphics_mode();
		igt_display_require(&data.display, data.drm_fd);

		for_each_connected_output(&data.display, output) {
			valid_output++;

			if (valid_output > 1)
				break;
		}

		data.n_pipes = 0;
		for_each_pipe(&data.display, i) {
			data.n_pipes++;
			pipe[j] = i;
			j++;
		}

		igt_require_f(valid_output > 1, "No valid second output found\n");
	}

	igt_describe("Test for validating display extended mode with a pair of connected displays");
	igt_subtest_with_dynamic("extended-mode-basic") {
		for (i = 0; i < data.n_pipes - 1; i++) {
			igt_dynamic_f("pipe-%s%s", kmstest_pipe_name(pipe[i]),
					kmstest_pipe_name(pipe[i+1]));
			run_extendedmode_basic(&data, pipe[i], pipe[i+1]);
		}
	}

	igt_fixture {
		igt_display_fini(&data.display);
	}
}