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/* 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,
"assert failed: edid_raw size mismatch");
#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, \
}
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