| /* |
| edid.S: EDID data template |
| |
| Copyright (C) 2012 Carsten Emde <C.Emde@osadl.org> |
| |
| This program is free software; you can redistribute it and/or |
| modify it under the terms of the GNU General Public License |
| as published by the Free Software Foundation; either version 2 |
| of the License, or (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| */ |
| |
| |
| /* Manufacturer */ |
| #define MFG_LNX1 'L' |
| #define MFG_LNX2 'N' |
| #define MFG_LNX3 'X' |
| #define SERIAL 0 |
| #define YEAR 2012 |
| #define WEEK 5 |
| |
| /* EDID 1.3 standard definitions */ |
| #define XY_RATIO_16_10 0b00 |
| #define XY_RATIO_4_3 0b01 |
| #define XY_RATIO_5_4 0b10 |
| #define XY_RATIO_16_9 0b11 |
| |
| /* Provide defaults for the timing bits */ |
| #ifndef ESTABLISHED_TIMING1_BITS |
| #define ESTABLISHED_TIMING1_BITS 0x00 |
| #endif |
| #ifndef ESTABLISHED_TIMING2_BITS |
| #define ESTABLISHED_TIMING2_BITS 0x00 |
| #endif |
| #ifndef ESTABLISHED_TIMING3_BITS |
| #define ESTABLISHED_TIMING3_BITS 0x00 |
| #endif |
| |
| #define mfgname2id(v1,v2,v3) \ |
| ((((v1-'@')&0x1f)<<10)+(((v2-'@')&0x1f)<<5)+((v3-'@')&0x1f)) |
| #define swap16(v1) ((v1>>8)+((v1&0xff)<<8)) |
| #define msbs2(v1,v2) ((((v1>>8)&0x0f)<<4)+((v2>>8)&0x0f)) |
| #define msbs4(v1,v2,v3,v4) \ |
| (((v1&0x03)>>2)+((v2&0x03)>>4)+((v3&0x03)>>6)+((v4&0x03)>>8)) |
| #define pixdpi2mm(pix,dpi) ((pix*25)/dpi) |
| #define xsize pixdpi2mm(XPIX,DPI) |
| #define ysize pixdpi2mm(YPIX,DPI) |
| |
| .data |
| |
| /* Fixed header pattern */ |
| header: .byte 0x00,0xff,0xff,0xff,0xff,0xff,0xff,0x00 |
| |
| mfg_id: .hword swap16(mfgname2id(MFG_LNX1, MFG_LNX2, MFG_LNX3)) |
| |
| prod_code: .hword 0 |
| |
| /* Serial number. 32 bits, little endian. */ |
| serial_number: .long SERIAL |
| |
| /* Week of manufacture */ |
| week: .byte WEEK |
| |
| /* Year of manufacture, less 1990. (1990-2245) |
| If week=255, it is the model year instead */ |
| year: .byte YEAR-1990 |
| |
| version: .byte VERSION /* EDID version, usually 1 (for 1.3) */ |
| revision: .byte REVISION /* EDID revision, usually 3 (for 1.3) */ |
| |
| /* If Bit 7=1 Digital input. If set, the following bit definitions apply: |
| Bits 6-1 Reserved, must be 0 |
| Bit 0 Signal is compatible with VESA DFP 1.x TMDS CRGB, |
| 1 pixel per clock, up to 8 bits per color, MSB aligned, |
| If Bit 7=0 Analog input. If clear, the following bit definitions apply: |
| Bits 6-5 Video white and sync levels, relative to blank |
| 00=+0.7/-0.3 V; 01=+0.714/-0.286 V; |
| 10=+1.0/-0.4 V; 11=+0.7/0 V |
| Bit 4 Blank-to-black setup (pedestal) expected |
| Bit 3 Separate sync supported |
| Bit 2 Composite sync (on HSync) supported |
| Bit 1 Sync on green supported |
| Bit 0 VSync pulse must be serrated when somposite or |
| sync-on-green is used. */ |
| video_parms: .byte 0x6d |
| |
| /* Maximum horizontal image size, in centimetres |
| (max 292 cm/115 in at 16:9 aspect ratio) */ |
| max_hor_size: .byte xsize/10 |
| |
| /* Maximum vertical image size, in centimetres. |
| If either byte is 0, undefined (e.g. projector) */ |
| max_vert_size: .byte ysize/10 |
| |
| /* Display gamma, minus 1, times 100 (range 1.00-3.5 */ |
| gamma: .byte 120 |
| |
| /* Bit 7 DPMS standby supported |
| Bit 6 DPMS suspend supported |
| Bit 5 DPMS active-off supported |
| Bits 4-3 Display type: 00=monochrome; 01=RGB colour; |
| 10=non-RGB multicolour; 11=undefined |
| Bit 2 Standard sRGB colour space. Bytes 25-34 must contain |
| sRGB standard values. |
| Bit 1 Preferred timing mode specified in descriptor block 1. |
| Bit 0 GTF supported with default parameter values. */ |
| dsp_features: .byte 0xea |
| |
| /* Chromaticity coordinates. */ |
| /* Red and green least-significant bits |
| Bits 7-6 Red x value least-significant 2 bits |
| Bits 5-4 Red y value least-significant 2 bits |
| Bits 3-2 Green x value lst-significant 2 bits |
| Bits 1-0 Green y value least-significant 2 bits */ |
| red_green_lsb: .byte 0x5e |
| |
| /* Blue and white least-significant 2 bits */ |
| blue_white_lsb: .byte 0xc0 |
| |
| /* Red x value most significant 8 bits. |
| 0-255 encodes 0-0.996 (255/256); 0-0.999 (1023/1024) with lsbits */ |
| red_x_msb: .byte 0xa4 |
| |
| /* Red y value most significant 8 bits */ |
| red_y_msb: .byte 0x59 |
| |
| /* Green x and y value most significant 8 bits */ |
| green_x_y_msb: .byte 0x4a,0x98 |
| |
| /* Blue x and y value most significant 8 bits */ |
| blue_x_y_msb: .byte 0x25,0x20 |
| |
| /* Default white point x and y value most significant 8 bits */ |
| white_x_y_msb: .byte 0x50,0x54 |
| |
| /* Established timings */ |
| /* Bit 7 720x400 @ 70 Hz |
| Bit 6 720x400 @ 88 Hz |
| Bit 5 640x480 @ 60 Hz |
| Bit 4 640x480 @ 67 Hz |
| Bit 3 640x480 @ 72 Hz |
| Bit 2 640x480 @ 75 Hz |
| Bit 1 800x600 @ 56 Hz |
| Bit 0 800x600 @ 60 Hz */ |
| estbl_timing1: .byte ESTABLISHED_TIMING1_BITS |
| |
| /* Bit 7 800x600 @ 72 Hz |
| Bit 6 800x600 @ 75 Hz |
| Bit 5 832x624 @ 75 Hz |
| Bit 4 1024x768 @ 87 Hz, interlaced (1024x768) |
| Bit 3 1024x768 @ 60 Hz |
| Bit 2 1024x768 @ 72 Hz |
| Bit 1 1024x768 @ 75 Hz |
| Bit 0 1280x1024 @ 75 Hz */ |
| estbl_timing2: .byte ESTABLISHED_TIMING2_BITS |
| |
| /* Bit 7 1152x870 @ 75 Hz (Apple Macintosh II) |
| Bits 6-0 Other manufacturer-specific display mod */ |
| estbl_timing3: .byte ESTABLISHED_TIMING3_BITS |
| |
| /* Standard timing */ |
| /* X resolution, less 31, divided by 8 (256-2288 pixels) */ |
| std_xres: .byte (XPIX/8)-31 |
| /* Y resolution, X:Y pixel ratio |
| Bits 7-6 X:Y pixel ratio: 00=16:10; 01=4:3; 10=5:4; 11=16:9. |
| Bits 5-0 Vertical frequency, less 60 (60-123 Hz) */ |
| std_vres: .byte (XY_RATIO<<6)+VFREQ-60 |
| .fill 7,2,0x0101 /* Unused */ |
| |
| descriptor1: |
| /* Pixel clock in 10 kHz units. (0.-655.35 MHz, little-endian) */ |
| clock: .hword CLOCK/10 |
| |
| /* Horizontal active pixels 8 lsbits (0-4095) */ |
| x_act_lsb: .byte XPIX&0xff |
| /* Horizontal blanking pixels 8 lsbits (0-4095) |
| End of active to start of next active. */ |
| x_blk_lsb: .byte XBLANK&0xff |
| /* Bits 7-4 Horizontal active pixels 4 msbits |
| Bits 3-0 Horizontal blanking pixels 4 msbits */ |
| x_msbs: .byte msbs2(XPIX,XBLANK) |
| |
| /* Vertical active lines 8 lsbits (0-4095) */ |
| y_act_lsb: .byte YPIX&0xff |
| /* Vertical blanking lines 8 lsbits (0-4095) */ |
| y_blk_lsb: .byte YBLANK&0xff |
| /* Bits 7-4 Vertical active lines 4 msbits |
| Bits 3-0 Vertical blanking lines 4 msbits */ |
| y_msbs: .byte msbs2(YPIX,YBLANK) |
| |
| /* Horizontal sync offset pixels 8 lsbits (0-1023) From blanking start */ |
| x_snc_off_lsb: .byte XOFFSET&0xff |
| /* Horizontal sync pulse width pixels 8 lsbits (0-1023) */ |
| x_snc_pls_lsb: .byte XPULSE&0xff |
| /* Bits 7-4 Vertical sync offset lines 4 lsbits -63) |
| Bits 3-0 Vertical sync pulse width lines 4 lsbits -63) */ |
| y_snc_lsb: .byte ((YOFFSET-63)<<4)+(YPULSE-63) |
| /* Bits 7-6 Horizontal sync offset pixels 2 msbits |
| Bits 5-4 Horizontal sync pulse width pixels 2 msbits |
| Bits 3-2 Vertical sync offset lines 2 msbits |
| Bits 1-0 Vertical sync pulse width lines 2 msbits */ |
| xy_snc_msbs: .byte msbs4(XOFFSET,XPULSE,YOFFSET,YPULSE) |
| |
| /* Horizontal display size, mm, 8 lsbits (0-4095 mm, 161 in) */ |
| x_dsp_size: .byte xsize&0xff |
| |
| /* Vertical display size, mm, 8 lsbits (0-4095 mm, 161 in) */ |
| y_dsp_size: .byte ysize&0xff |
| |
| /* Bits 7-4 Horizontal display size, mm, 4 msbits |
| Bits 3-0 Vertical display size, mm, 4 msbits */ |
| dsp_size_mbsb: .byte msbs2(xsize,ysize) |
| |
| /* Horizontal border pixels (each side; total is twice this) */ |
| x_border: .byte 0 |
| /* Vertical border lines (each side; total is twice this) */ |
| y_border: .byte 0 |
| |
| /* Bit 7 Interlaced |
| Bits 6-5 Stereo mode: 00=No stereo; other values depend on bit 0: |
| Bit 0=0: 01=Field sequential, sync=1 during right; 10=similar, |
| sync=1 during left; 11=4-way interleaved stereo |
| Bit 0=1 2-way interleaved stereo: 01=Right image on even lines; |
| 10=Left image on even lines; 11=side-by-side |
| Bits 4-3 Sync type: 00=Analog composite; 01=Bipolar analog composite; |
| 10=Digital composite (on HSync); 11=Digital separate |
| Bit 2 If digital separate: Vertical sync polarity (1=positive) |
| Other types: VSync serrated (HSync during VSync) |
| Bit 1 If analog sync: Sync on all 3 RGB lines (else green only) |
| Digital: HSync polarity (1=positive) |
| Bit 0 2-way line-interleaved stereo, if bits 4-3 are not 00. */ |
| features: .byte 0x18+(VSYNC_POL<<2)+(HSYNC_POL<<1) |
| |
| descriptor2: .byte 0,0 /* Not a detailed timing descriptor */ |
| .byte 0 /* Must be zero */ |
| .byte 0xff /* Descriptor is monitor serial number (text) */ |
| .byte 0 /* Must be zero */ |
| start1: .ascii "Linux #0" |
| end1: .byte 0x0a /* End marker */ |
| .fill 12-(end1-start1), 1, 0x20 /* Padded spaces */ |
| descriptor3: .byte 0,0 /* Not a detailed timing descriptor */ |
| .byte 0 /* Must be zero */ |
| .byte 0xfd /* Descriptor is monitor range limits */ |
| .byte 0 /* Must be zero */ |
| start2: .byte VFREQ-1 /* Minimum vertical field rate (1-255 Hz) */ |
| .byte VFREQ+1 /* Maximum vertical field rate (1-255 Hz) */ |
| .byte (CLOCK/(XPIX+XBLANK))-1 /* Minimum horizontal line rate |
| (1-255 kHz) */ |
| .byte (CLOCK/(XPIX+XBLANK))+1 /* Maximum horizontal line rate |
| (1-255 kHz) */ |
| .byte (CLOCK/10000)+1 /* Maximum pixel clock rate, rounded up |
| to 10 MHz multiple (10-2550 MHz) */ |
| .byte 0 /* No extended timing information type */ |
| end2: .byte 0x0a /* End marker */ |
| .fill 12-(end2-start2), 1, 0x20 /* Padded spaces */ |
| descriptor4: .byte 0,0 /* Not a detailed timing descriptor */ |
| .byte 0 /* Must be zero */ |
| .byte 0xfc /* Descriptor is text */ |
| .byte 0 /* Must be zero */ |
| start3: .ascii TIMING_NAME |
| end3: .byte 0x0a /* End marker */ |
| .fill 12-(end3-start3), 1, 0x20 /* Padded spaces */ |
| extensions: .byte 0 /* Number of extensions to follow */ |
| checksum: .byte CRC /* Sum of all bytes must be 0 */ |