diff --git a/hw/xfree86/common/Makefile.am b/hw/xfree86/common/Makefile.am index 4f0a2d6b3..0f44075ba 100644 --- a/hw/xfree86/common/Makefile.am +++ b/hw/xfree86/common/Makefile.am @@ -30,7 +30,7 @@ BUILT_SOURCES = xf86DefModeSet.c AM_LDFLAGS = -r libcommon_la_SOURCES = xf86Configure.c xf86Bus.c xf86Config.c \ - xf86Cursor.c xf86cvt.c xf86DGA.c xf86DPMS.c \ + xf86Cursor.c xf86DGA.c xf86DPMS.c \ xf86DoProbe.c xf86Events.c \ xf86Globals.c xf86AutoConfig.c \ xf86MiscExt.c xf86Option.c \ diff --git a/hw/xfree86/common/xf86cvt.c b/hw/xfree86/common/xf86cvt.c deleted file mode 100644 index f8185a38c..000000000 --- a/hw/xfree86/common/xf86cvt.c +++ /dev/null @@ -1,290 +0,0 @@ -/* - * Copyright 2005-2006 Luc Verhaegen. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The reason for having this function in a file of its own is - * so that ../utils/cvt/cvt can link to it, and that xf86CVTMode - * code is shared directly. - */ - -#include "xf86.h" - -/* - * Generate a CVT standard mode from HDisplay, VDisplay and VRefresh. - * - * These calculations are stolen from the CVT calculation spreadsheet written - * by Graham Loveridge. He seems to be claiming no copyright and there seems to - * be no license attached to this. He apparently just wants to see his name - * mentioned. - * - * This file can be found at http://www.vesa.org/Public/CVT/CVTd6r1.xls - * - * Comments and structure corresponds to the comments and structure of the xls. - * This should ease importing of future changes to the standard (not very - * likely though). - * - * About margins; i'm sure that they are to be the bit between HDisplay and - * HBlankStart, HBlankEnd and HTotal, VDisplay and VBlankStart, VBlankEnd and - * VTotal, where the overscan colour is shown. FB seems to call _all_ blanking - * outside sync "margin" for some reason. Since we prefer seeing proper - * blanking instead of the overscan colour, and since the Crtc* values will - * probably get altered after us, we will disable margins altogether. With - * these calculations, Margins will plainly expand H/VDisplay, and we don't - * want that. -- libv - * - */ -_X_EXPORT DisplayModePtr -xf86CVTMode(int HDisplay, int VDisplay, float VRefresh, Bool Reduced, - Bool Interlaced) -{ - DisplayModeRec *Mode = xnfcalloc(1, sizeof(DisplayModeRec)); - - /* 1) top/bottom margin size (% of height) - default: 1.8 */ -#define CVT_MARGIN_PERCENTAGE 1.8 - - /* 2) character cell horizontal granularity (pixels) - default 8 */ -#define CVT_H_GRANULARITY 8 - - /* 4) Minimum vertical porch (lines) - default 3 */ -#define CVT_MIN_V_PORCH 3 - - /* 4) Minimum number of vertical back porch lines - default 6 */ -#define CVT_MIN_V_BPORCH 6 - - /* Pixel Clock step (kHz) */ -#define CVT_CLOCK_STEP 250 - - Bool Margins = FALSE; - float VFieldRate, HPeriod; - int HDisplayRnd, HMargin; - int VDisplayRnd, VMargin, VSync; - float Interlace; /* Please rename this */ - - /* CVT default is 60.0Hz */ - if (!VRefresh) - VRefresh = 60.0; - - /* 1. Required field rate */ - if (Interlaced) - VFieldRate = VRefresh * 2; - else - VFieldRate = VRefresh; - - /* 2. Horizontal pixels */ - HDisplayRnd = HDisplay - (HDisplay % CVT_H_GRANULARITY); - - /* 3. Determine left and right borders */ - if (Margins) { - /* right margin is actually exactly the same as left */ - HMargin = (((float) HDisplayRnd) * CVT_MARGIN_PERCENTAGE / 100.0); - HMargin -= HMargin % CVT_H_GRANULARITY; - } else - HMargin = 0; - - /* 4. Find total active pixels */ - Mode->HDisplay = HDisplayRnd + 2*HMargin; - - /* 5. Find number of lines per field */ - if (Interlaced) - VDisplayRnd = VDisplay / 2; - else - VDisplayRnd = VDisplay; - - /* 6. Find top and bottom margins */ - /* nope. */ - if (Margins) - /* top and bottom margins are equal again. */ - VMargin = (((float) VDisplayRnd) * CVT_MARGIN_PERCENTAGE / 100.0); - else - VMargin = 0; - - Mode->VDisplay = VDisplay + 2*VMargin; - - /* 7. Interlace */ - if (Interlaced) - Interlace = 0.5; - else - Interlace = 0.0; - - /* Determine VSync Width from aspect ratio */ - if (!(VDisplay % 3) && ((VDisplay * 4 / 3) == HDisplay)) - VSync = 4; - else if (!(VDisplay % 9) && ((VDisplay * 16 / 9) == HDisplay)) - VSync = 5; - else if (!(VDisplay % 10) && ((VDisplay * 16 / 10) == HDisplay)) - VSync = 6; - else if (!(VDisplay % 4) && ((VDisplay * 5 / 4) == HDisplay)) - VSync = 7; - else if (!(VDisplay % 9) && ((VDisplay * 15 / 9) == HDisplay)) - VSync = 7; - else /* Custom */ - VSync = 10; - - if (!Reduced) { /* simplified GTF calculation */ - - /* 4) Minimum time of vertical sync + back porch interval (µs) - * default 550.0 */ -#define CVT_MIN_VSYNC_BP 550.0 - - /* 3) Nominal HSync width (% of line period) - default 8 */ -#define CVT_HSYNC_PERCENTAGE 8 - - float HBlankPercentage; - int VSyncAndBackPorch, VBackPorch; - int HBlank; - - /* 8. Estimated Horizontal period */ - HPeriod = ((float) (1000000.0 / VFieldRate - CVT_MIN_VSYNC_BP)) / - (VDisplayRnd + 2 * VMargin + CVT_MIN_V_PORCH + Interlace); - - /* 9. Find number of lines in sync + backporch */ - if (((int)(CVT_MIN_VSYNC_BP / HPeriod) + 1) < (VSync + CVT_MIN_V_PORCH)) - VSyncAndBackPorch = VSync + CVT_MIN_V_PORCH; - else - VSyncAndBackPorch = (int)(CVT_MIN_VSYNC_BP / HPeriod) + 1; - - /* 10. Find number of lines in back porch */ - VBackPorch = VSyncAndBackPorch - VSync; - - /* 11. Find total number of lines in vertical field */ - Mode->VTotal = VDisplayRnd + 2 * VMargin + VSyncAndBackPorch + Interlace - + CVT_MIN_V_PORCH; - - /* 5) Definition of Horizontal blanking time limitation */ - /* Gradient (%/kHz) - default 600 */ -#define CVT_M_FACTOR 600 - - /* Offset (%) - default 40 */ -#define CVT_C_FACTOR 40 - - /* Blanking time scaling factor - default 128 */ -#define CVT_K_FACTOR 128 - - /* Scaling factor weighting - default 20 */ -#define CVT_J_FACTOR 20 - -#define CVT_M_PRIME CVT_M_FACTOR * CVT_K_FACTOR / 256 -#define CVT_C_PRIME (CVT_C_FACTOR - CVT_J_FACTOR) * CVT_K_FACTOR / 256 + \ - CVT_J_FACTOR - - /* 12. Find ideal blanking duty cycle from formula */ - HBlankPercentage = CVT_C_PRIME - CVT_M_PRIME * HPeriod/1000.0; - - /* 13. Blanking time */ - if (HBlankPercentage < 20) - HBlankPercentage = 20; - - HBlank = Mode->HDisplay * HBlankPercentage/(100.0 - HBlankPercentage); - HBlank -= HBlank % (2*CVT_H_GRANULARITY); - - /* 14. Find total number of pixels in a line. */ - Mode->HTotal = Mode->HDisplay + HBlank; - - /* Fill in HSync values */ - Mode->HSyncEnd = Mode->HDisplay + HBlank / 2; - - Mode->HSyncStart = Mode->HSyncEnd - - (Mode->HTotal * CVT_HSYNC_PERCENTAGE) / 100; - Mode->HSyncStart += CVT_H_GRANULARITY - - Mode->HSyncStart % CVT_H_GRANULARITY; - - /* Fill in VSync values */ - Mode->VSyncStart = Mode->VDisplay + CVT_MIN_V_PORCH; - Mode->VSyncEnd = Mode->VSyncStart + VSync; - - } else { /* Reduced blanking */ - /* Minimum vertical blanking interval time (µs) - default 460 */ -#define CVT_RB_MIN_VBLANK 460.0 - - /* Fixed number of clocks for horizontal sync */ -#define CVT_RB_H_SYNC 32.0 - - /* Fixed number of clocks for horizontal blanking */ -#define CVT_RB_H_BLANK 160.0 - - /* Fixed number of lines for vertical front porch - default 3 */ -#define CVT_RB_VFPORCH 3 - - int VBILines; - - /* 8. Estimate Horizontal period. */ - HPeriod = ((float) (1000000.0 / VFieldRate - CVT_RB_MIN_VBLANK)) / - (VDisplayRnd + 2*VMargin); - - /* 9. Find number of lines in vertical blanking */ - VBILines = ((float) CVT_RB_MIN_VBLANK) / HPeriod + 1; - - /* 10. Check if vertical blanking is sufficient */ - if (VBILines < (CVT_RB_VFPORCH + VSync + CVT_MIN_V_BPORCH)) - VBILines = CVT_RB_VFPORCH + VSync + CVT_MIN_V_BPORCH; - - /* 11. Find total number of lines in vertical field */ - Mode->VTotal = VDisplayRnd + 2 * VMargin + Interlace + VBILines; - - /* 12. Find total number of pixels in a line */ - Mode->HTotal = Mode->HDisplay + CVT_RB_H_BLANK; - - /* Fill in HSync values */ - Mode->HSyncEnd = Mode->HDisplay + CVT_RB_H_BLANK / 2; - Mode->HSyncStart = Mode->HSyncEnd - CVT_RB_H_SYNC; - - /* Fill in VSync values */ - Mode->VSyncStart = Mode->VDisplay + CVT_RB_VFPORCH; - Mode->VSyncEnd = Mode->VSyncStart + VSync; - } - - /* 15/13. Find pixel clock frequency (kHz for xf86) */ - Mode->Clock = Mode->HTotal * 1000.0 / HPeriod; - Mode->Clock -= Mode->Clock % CVT_CLOCK_STEP; - - /* 16/14. Find actual Horizontal Frequency (kHz) */ - Mode->HSync = ((float) Mode->Clock) / ((float) Mode->HTotal); - - /* 17/15. Find actual Field rate */ - Mode->VRefresh = (1000.0 * ((float) Mode->Clock)) / - ((float) (Mode->HTotal * Mode->VTotal)); - - /* 18/16. Find actual vertical frame frequency */ - /* ignore - just set the mode flag for interlaced */ - if (Interlaced) - Mode->VTotal *= 2; - - { - char Name[256]; - Name[0] = 0; - - snprintf(Name, 256, "%dx%d", HDisplay, VDisplay); - - Mode->name = xnfalloc(strlen(Name) + 1); - memcpy(Mode->name, Name, strlen(Name) + 1); - } - - if (Reduced) - Mode->Flags |= V_PHSYNC | V_NVSYNC; - else - Mode->Flags |= V_NHSYNC | V_PVSYNC; - - if (Interlaced) - Mode->Flags |= V_INTERLACE; - - return Mode; -} diff --git a/hw/xfree86/modes/xf86cvt.c b/hw/xfree86/modes/xf86cvt.c index 68a94627c..e9c74aa62 100644 --- a/hw/xfree86/modes/xf86cvt.c +++ b/hw/xfree86/modes/xf86cvt.c @@ -20,11 +20,6 @@ * OTHER DEALINGS IN THE SOFTWARE. */ -/** - * @file This is a copy of xf86cvt.c from the X Server, for compatibility with - * old servers (pre-1.2). - */ - /* * The reason for having this function in a file of its own is * so that ../utils/cvt/cvt can link to it, and that xf86CVTMode diff --git a/hw/xfree86/utils/cvt/Makefile.am b/hw/xfree86/utils/cvt/Makefile.am index 365c6cb88..4db175fbd 100644 --- a/hw/xfree86/utils/cvt/Makefile.am +++ b/hw/xfree86/utils/cvt/Makefile.am @@ -28,11 +28,13 @@ bin_PROGRAMS = cvt -INCLUDES = $(XORG_INCS) +INCLUDES = $(XORG_INCS) \ + -I$(top_srcdir)/hw/xfree86/ddc \ + -I$(top_srcdir)/hw/xfree86/parser DUMMYLIB_SRCDIR = $(XFREE86_SRCDIR)/dummylib # gah -cvt_SOURCES = cvt.c $(top_srcdir)/hw/xfree86/common/xf86cvt.c +cvt_SOURCES = cvt.c $(top_srcdir)/hw/xfree86/modes/xf86cvt.c cvt_CFLAGS = $(DIX_CFLAGS) $(XORG_CFLAGS) cvt_LDADD = $(top_builddir)/hw/xfree86/dummylib/libdummy-nonserver.a