tests: Add lib/edid-test test case

Signed-off-by: Jakub Czapiga <jacz@semihalf.com>
Change-Id: I796e660eebc4d2c3c32207bd3a6ee44aaffeb325
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46817
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Fagerburg <pfagerburg@chromium.org>

1 files changed, 196 insertions, 0 deletions

diff --git a/tests/include/lib/edid-test.h b/tests/include/lib/edid-test.h
new file mode 100644
index 0000000000..073905d5f0
--- /dev/null
+++ b/tests/include/lib/edid-test.h
@@ -0,0 +1,196 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <stdlib.h>
+#include <commonlib/bsd/helpers.h>
+
+
+struct edid_raw {
+	uint8_t header[8];
+
+	/* Display product identification */
+	uint16_t manufacturer_id;
+	uint16_t product_code;
+	uint32_t serial_number;
+	uint8_t manufacture_week;
+	uint8_t manufacture_year;
+
+	/* EDID version information */
+	uint8_t edid_version;
+	uint8_t edid_revision;
+
+	/* Basic display parameters */
+	uint8_t video_input_type;
+	uint8_t horizontal_size; /* [cm] */
+	uint8_t vertical_size; /* [cm] */
+	uint8_t display_gamma;
+	uint8_t supported_features;
+
+	/* Color space definition */
+	uint8_t color_characteristics[10];
+
+	/* Timing information */
+	uint8_t established_supported_timings[2];
+	uint8_t manufacturers_reserved_timing;
+	uint8_t standard_timings_supported[16];
+	uint8_t descriptor_block_1[18];
+	uint8_t descriptor_block_2[18];
+	uint8_t descriptor_block_3[18];
+	uint8_t descriptor_block_4[18];
+
+	/* Number of optional 128-byte extension blocks */
+	uint8_t extension_flag;
+
+	uint8_t checksum;
+} __packed;
+
+_Static_assert(sizeof(struct edid_raw) == 128);
+
+#define EDID_HEADER_RAW		{ 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00 }
+#define EDID_HEADER_INVALID_RAW	{ 0, 0, 0, 0, 0, 0, 0, 0 }
+
+#define EDID_MANUFACTURER_ID		0xcb55
+#define EDID_MANUFACTURER_NAME		"UNK"
+#define EDID_PRODUCT_CODE		0x1234
+#define EDID_SERIAL_NUMBER		0x56789ABC
+#define EDID_MANUFACTURE_WEEK		23u
+#define EDID_MANUFACTURE_NO_WEEK	0u
+#define EDID_MANUFACTURE_YEAR		(2015u - 1990u)
+
+/* Video Input Definition for Analog Video Signal Interface */
+#define EDID_ANALOG_VSI			(0u << 7)
+#define EDID_SIGNAL_LEVEL_0		0u
+#define EDID_SIGNAL_LEVEL_1		(1u << 5)
+#define EDID_SIGNAL_LEVEL_2		(2u << 5)
+#define EDID_SIGNAL_LEVEL_3		(3u << 5)
+#define EDID_VIDEO_SETUP_BLANK_EQ_BLACK 0u
+#define EDID_VIDEO_SETUP_BLANK_TO_BLACK (1u << 4)
+#define EDID_SEPARATE_SYNC_H_AND_V(v)	((v != 0 ? 0x1 : 0x0) << 3)
+#define EDID_COMPOSITE_SYNC_H(v)	((v != 0 ? 0x1 : 0x0) << 2)
+#define EDID_COMPOSITE_SYNC_ON_GREEN(v)	((v != 0 ? 0x1 : 0x0) << 1)
+#define EDID_SERRATION_VSYNC(v)		(v != 0 ? 0x1 : 0x0)
+
+/* Video Input Definition for Digital Video Signal Interface */
+#define EDID_DIGITAL_VSI		(1u << 7)
+#define EDID_COLOR_BIT_DEPTH_UNDEFINED	0u
+#define EDID_COLOR_BIT_DEPTH_6B		(1u << 4)
+#define EDID_COLOR_BIT_DEPTH_8B		(2u << 4)
+#define EDID_COLOR_BIT_DEPTH_10B	(3u << 4)
+#define EDID_COLOR_BIT_DEPTH_12B	(4u << 4)
+#define EDID_COLOR_BIT_DEPTH_14B	(5u << 4)
+#define EDID_COLOR_BIT_DEPTH_16B	(6u << 4)
+#define EDID_INTERFACE_UNDEFINED	0u
+#define EDID_INTERFACE_DVI		1u
+#define EDID_INTERFACE_HDMI_A		2u
+#define EDID_INTERFACE_HDMI_B		3u
+#define EDID_INTERFACE_MDDI		4u
+#define EDID_INTERFACE_DP		5u
+
+/* BEGIN Supported features */
+#define EDID_STANDBY_MODE(v)				((v != 0 ? 0x1 : 0x0) << 7)
+#define EDID_SUSPEND_MODE(v)				((v != 0 ? 0x1 : 0x0) << 6)
+#define EDID_ACTIVE_OFF(v)				((v != 0 ? 0x1 : 0x0) << 5)
+/* For analog interface */
+#define EDID_COLOR_TYPE_MONO				0u
+#define EDID_COLOR_TYPE_RGB				(1u << 3)
+#define EDID_COLOR_TYPE_NON_RGB				(2u << 3)
+#define EDID_COLOR_TYPE_UNDEFINED			(3u << 3)
+/* For digital interface */
+#define EDID_COLOR_FORMAT_RGB444			0u
+#define EDID_COLOR_FORMAT_RGB444_YCRCB444		(1u << 3)
+#define EDID_COLOR_FORMAT_RGB444_YCRCB422		(2u << 3)
+#define EDID_COLOR_FORMAT_RGB444_YCRCB422_YCRCB422	(3u << 3)
+
+#define EDID_SRGB_SUPPORTED(v)				(((v) == 0 ? 0u : 1u) << 2)
+#define EDID_PREFERRED_TIMING_EXTENDED_INFO		(1u << 1)
+#define EDID_PREFERRED_TIMING_NO_EXTENDED_INFO		0u
+#define EDID_DISPLAY_FREQUENCY_CONTINUOUS		1u
+#define EDID_DISPLAY_FREQUENCY_NON_CONTINUOUS		0u
+/* END Supported features */
+
+/* Red X 0.640 */
+#define EDID_COLOR_R_X	0x25
+/* Red Y 0.330 */
+#define EDID_COLOR_R_Y	0x152
+/* Green X 0.300 */
+#define EDID_COLOR_G_X	0x13a
+/* Green Y 0.600 */
+#define EDID_COLOR_G_Y	0x267
+/* Blue X 0.150 */
+#define EDID_COLOR_B_X	0x9a
+/* Blue Y 0.060 */
+#define EDID_COLOR_B_Y	0x3e
+/* White X 0.3125 */
+#define EDID_COLOR_W_X	0xa
+/* White Y 0.3291 */
+#define EDID_COLOR_W_Y	0x22a
+
+/* 1 and 0 bits of each color */
+#define EDID_COLOR_R_X10_Y10	(((EDID_COLOR_R_X & 0x3) << 2) | (EDID_COLOR_R_Y & 0x3))
+#define EDID_COLOR_G_X10_Y10	(((EDID_COLOR_G_X & 0x3) << 2) | (EDID_COLOR_G_Y & 0x3))
+#define EDID_COLOR_B_X10_Y10	(((EDID_COLOR_B_X & 0x3) << 2) | (EDID_COLOR_B_Y & 0x3))
+#define EDID_COLOR_W_X10_Y10	(((EDID_COLOR_W_X & 0x3) << 2) | (EDID_COLOR_W_Y & 0x3))
+
+/* Concatenated 0 and 1 bits of each color. To be put
+ * as first and second byte of color characteristic. */
+#define EDID_COLOR_RG_XY	((EDID_COLOR_R_X10_Y10 << 4) | EDID_COLOR_G_X10_Y10)
+#define EDID_COLOR_BW_XY	((EDID_COLOR_B_X10_Y10 << 4) | EDID_COLOR_W_X10_Y10)
+
+/* Bits 9 through 2 of each color */
+#define EDID_COLOR_R_X92	(EDID_COLOR_R_X >> 2)
+#define EDID_COLOR_R_Y92	(EDID_COLOR_R_Y >> 2)
+#define EDID_COLOR_G_X92	(EDID_COLOR_G_X >> 2)
+#define EDID_COLOR_G_Y92	(EDID_COLOR_G_Y >> 2)
+#define EDID_COLOR_B_X92	(EDID_COLOR_B_X >> 2)
+#define EDID_COLOR_B_Y92	(EDID_COLOR_B_Y >> 2)
+#define EDID_COLOR_W_X92	(EDID_COLOR_W_X >> 2)
+#define EDID_COLOR_W_Y92	(EDID_COLOR_W_Y >> 2)
+
+#define EDID_ESTABLISHED_TIMINGS_1_800x600_60Hz		1u
+#define EDID_ESTABLISHED_TIMINGS_1_800x600_56Hz		(1u << 1)
+#define EDID_ESTABLISHED_TIMINGS_1_640x480_75Hz		(1u << 2)
+#define EDID_ESTABLISHED_TIMINGS_1_640x480_72Hz		(1u << 3)
+#define EDID_ESTABLISHED_TIMINGS_1_640x480_67Hz		(1u << 4)
+#define EDID_ESTABLISHED_TIMINGS_1_640x480_60Hz		(1u << 5)
+#define EDID_ESTABLISHED_TIMINGS_1_720x400_88Hz		(1u << 6)
+#define EDID_ESTABLISHED_TIMINGS_1_720x400_70Hz		(1u << 7)
+
+#define EDID_ESTABLISHED_TIMINGS_2_1280x1024_75Hz	1u
+#define EDID_ESTABLISHED_TIMINGS_2_1024x768_75Hz	(1u << 1)
+#define EDID_ESTABLISHED_TIMINGS_2_1024x768_70Hz	(1u << 2)
+#define EDID_ESTABLISHED_TIMINGS_2_1024x768_60Hz	(1u << 3)
+#define EDID_ESTABLISHED_TIMINGS_2_1024x768_80HzI	(1u << 4)
+#define EDID_ESTABLISHED_TIMINGS_2_832x624_75Hz		(1u << 5)
+#define EDID_ESTABLISHED_TIMINGS_2_800x600_75Hz		(1u << 6)
+#define EDID_ESTABLISHED_TIMINGS_2_800x600_72Hz		(1u << 7)
+
+#define EDID_MANUFACTURERS_TIMINGS_1152x870_75Hz	(1u << 7)
+
+#define EDID_HORIZONTAL_ACCESSIBLE_PIXELS(px)	(((px) / 8 - 31) & 0xFF)
+#define EDID_ASPECT_RATIO_16_10			0u
+#define EDID_ASPECT_RATIO_4_3			(1u << 6)
+#define EDID_ASPECT_RATIO_5_4			(2u << 6)
+#define EDID_ASPECT_RATIO_16_9			(3u << 6)
+#define EDID_FIELD_REFRESH_RATE(hz)		(((hz) - 60) & 0x1f)
+
+#define EDID_PIXEL_CLOCK(v)			(((v) / 10000) & 0xFFFF)
+
+#define EDID_RAW_DEFAULT_PARAMS .header = EDID_HEADER_RAW, \
+				.edid_version = 1, \
+				.edid_revision = 4, \
+				.manufacturer_id = EDID_MANUFACTURER_ID, \
+				.product_code = EDID_PRODUCT_CODE, \
+				.serial_number = EDID_SERIAL_NUMBER, \
+				.manufacture_week = EDID_MANUFACTURE_NO_WEEK, \
+				.manufacture_year = EDID_MANUFACTURE_YEAR, \
+				.color_characteristics = { \
+					EDID_COLOR_RG_XY, \
+					EDID_COLOR_BW_XY, \
+					EDID_COLOR_R_X92, \
+					EDID_COLOR_R_Y92, \
+					EDID_COLOR_G_X92, \
+					EDID_COLOR_G_Y92, \
+					EDID_COLOR_B_X92, \
+					EDID_COLOR_B_Y92, \
+					EDID_COLOR_W_X92, \
+					EDID_COLOR_W_Y92, \
+				}