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Enabled support for digital/analog and widescreen. #33

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Enabled support for digital/analog and widescreen. #33

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36 changes: 36 additions & 0 deletions 3440x1440.S
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Original file line number Diff line number Diff line change
@@ -0,0 +1,36 @@
/* 3440x1440 @60Hz (CVT-RB2)
* Modeline "3440x1440_60.00" 419.50 3440 3696 4064 4688 1440 1443 1453 1493 -hsync +vsync
*
* Uses edid.S as the base and marks display as digital.
*/

#define HSYNC_POL 0
#define VSYNC_POL 1

#define XPIX 3440
#define YPIX 1440
#define VFREQ 60
#define DPI 96
#define CLOCK 419500

#define VERSION 1
#define REVISION 3

/* Horizontal timing parameters */
#define XOFFSET 256
#define XPULSE 368
#define XBLANK 1248

/* Vertical timing parameters (absolute) */
#define YOFFSET 66
#define YPULSE 73
#define YBLANK 53

#define XY_RATIO XY_RATIO_16_9
#define TIMING_NAME "3440x1440"

/* Digital input override */
#define VIDEO_INPUT 0x80

#include "edid.S"

Binary file added 3440x1440.bin
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20 changes: 15 additions & 5 deletions edid.S
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Original file line number Diff line number Diff line change
Expand Up @@ -44,12 +44,20 @@
#define ESTABLISHED_TIMING3_BITS 0x00
#endif

/* NEW (minimal, backward-compatible):
Allow per-mode override of the input byte.
Default remains 0x6d (analog) exactly as in the original. */
#ifndef VIDEO_INPUT
#define VIDEO_INPUT 0x6d
#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))
/* FIX (bug in original): correctly pack the top 2 bits of each field */
#define msbs4(v1,v2,v3,v4) \
(((v1&0x03)>>2)+((v2&0x03)>>4)+((v3&0x03)>>6)+((v4&0x03)>>8))
(((((v1)>>8)&0x03)<<6)|((((v2)>>8)&0x03)<<4)|((((v3)>>8)&0x03)<<2)|(((v4)>>8)&0x03))
#define pixdpi2mm(pix,dpi) ((pix*25)/dpi)
#define xsize pixdpi2mm(XPIX,DPI)
#define ysize pixdpi2mm(YPIX,DPI)
Expand Down Expand Up @@ -90,7 +98,7 @@ revision: .byte REVISION /* EDID revision, usually 3 (for 1.3) */
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
video_parms: .byte VIDEO_INPUT /* was 0x6d (unchanged by default) */

/* Maximum horizontal image size, in centimetres
(max 292 cm/115 in at 16:9 aspect ratio) */
Expand Down Expand Up @@ -200,9 +208,10 @@ y_msbs: .byte msbs2(YPIX,YBLANK)
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 7-4: Vertical sync offset (2 LSBs)
Bits 3-0: Vertical sync width (2 LSBs)
FIX: use masked packing to avoid negative wrap warnings. */
y_snc_lsb: .byte (((YOFFSET)&0x3f)<<4)|((YPULSE)&0x3f)
/* 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
Expand Down Expand Up @@ -270,3 +279,4 @@ 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 */