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https://github.com/tiagovignatti/intel-gpu-tools.git
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75 lines
2.5 KiB
C
75 lines
2.5 KiB
C
#define GAMMA(x) (((x) * 100) - 100)
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#define MANUFACTURER_ID(a, b, c) (a - '@') << 2 | (b - '@') >> 3, \
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(b - '@') << 5 | (c - '@')
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#define ab(x, y) ((x) & 0xff), ((y) & 0xff), (((x) & 0xf00) >> 4) | (((y) & 0xf00) >> 8)
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#define op(ho, hp, vo, vp) ((ho) & 0xff), ((hp) & 0xff), \
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(((vo) & 0xf) << 4) | ((vp) & 0xf), \
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(((ho) & 0x300) >> 2) | (((hp) & 0x300) >> 4) \
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| (((vo) & 0x30) >> 2) | ((vp) & 0x30 >> 4)
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static unsigned char EDID_NAME[EDID_LENGTH] = {
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0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, /* header */
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MANUFACTURER_ID('I', 'G', 'T'),
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/* product code, serial number, week and year of manufacture */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x01, 0x03, /* edid version (1.3) */
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/* basic display parameters */
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/* digital display, maximum horizontal image size, maximum vertical
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* image size, gamma, features: RGB 4:4:4, native pixel format and
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* refresh rate in descriptor 1 */
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0x80, HSIZE, VSIZE, GAMMA(2.20), 0x02,
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/* chromaticity coordinates */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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/* established timings: 640x480 60Hz, 800x600 60Hz, 1024x768 60Hz */
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0x21, 0x08, 0x00,
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/* standard timings */
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0xd1, 0xc0, /* 1920x1080 60Hz */
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0x81, 0xc0, /* 1280x720 60Hz */
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0x61, 0x40, /* 1024x768 60Hz */
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0x45, 0x40, /* 800x600 60Hz */
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0x31, 0x40, /* 640x480 60Hz */
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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/* descriptor 1 (preferred timing) */
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(CLOCK / 10) & 0x00ff, ((CLOCK / 10) & 0xff00) >> 8,
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ab(HACTIVE, HBLANK), ab(VACTIVE, VBLANK),
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op(HOFFSET, HPULSE, VOFFSET, VPULSE),
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ab(HSIZE * 10, VSIZE * 10),
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0x00, 0x00, 0x00,
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/* descriptor 2 (monitor range limits) */
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0x00, 0x00, 0x00, 0xfd, 0x00,
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VFREQ - 1, VFREQ + 1, /* minimum, maximum vertical field rate */
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(CLOCK / (HACTIVE + HBLANK)) - 1, /* minimum horizontal line rate */
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(CLOCK / (HACTIVE + HBLANK)) + 1, /* maximum horizontal line rate */
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(CLOCK / 10000) + 1, /* maximum pixel clock rate */
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0x00, 0x0a, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
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/* descriptor 3 (name descriptor) */
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0x00, 0x00, 0x00, 0xfc, 0x00, 'I', 'G', 'T', 0x0a,
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0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
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/* descriptor 4 */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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/* extensions, checksum */
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0x00, 0x00
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};
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#undef EDID_NAME
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#undef VFREQ
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#undef CLOCK
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#undef HACTIVE
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#undef HBLANK
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#undef VACTIVE
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#undef VBLANK
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#undef HOFFSET
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#undef HPULSE
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#undef VOFFSET
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#undef VPULSE
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#undef HSIZE
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#undef VSIZE
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#undef GAMMA
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#undef MANUFACTURER_ID
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#undef ab
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#undef op
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