diff options
Diffstat (limited to 'xorg-server/hw/xfree86/utils/cvt')
| -rw-r--r-- | xorg-server/hw/xfree86/utils/cvt/cvt.c | 593 |
1 files changed, 293 insertions, 300 deletions
diff --git a/xorg-server/hw/xfree86/utils/cvt/cvt.c b/xorg-server/hw/xfree86/utils/cvt/cvt.c index 1ff38118b..0de5ffea4 100644 --- a/xorg-server/hw/xfree86/utils/cvt/cvt.c +++ b/xorg-server/hw/xfree86/utils/cvt/cvt.c @@ -1,300 +1,293 @@ -/*
- * 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.
- *
- */
-
-/* Standalone VESA CVT standard timing modelines generator. */
-
-#include "xf86.h"
-
-/* Error implementation used by the server code we built in */
-void
-Error(const char *str)
-{
- perror(str);
-}
-
-/* FatalError implementation used by the server code we built in */
-void
-FatalError(const char *f, ...)
-{
- va_list args;
- va_start(args, f);
- vfprintf(stderr, f, args);
- va_end(args);
- exit(1);
-}
-
-/* xnfalloc implementation used by the server code we built in */
-pointer
-XNFalloc(unsigned long n)
-{
- pointer r;
-
- r = malloc(n);
- if (!r) {
- perror("malloc failed");
- exit(1);
- }
- return r;
-}
-
-/* xnfcalloc implementation used by the server code we built in */
-pointer
-XNFcalloc(unsigned long n)
-{
- pointer r;
-
- r = calloc(1, n);
- if (!r) {
- perror("calloc failed");
- exit(1);
- }
- return r;
-}
-
-/*
- * Quickly check wether this is a CVT standard mode.
- */
-static Bool
-CVTCheckStandard(int HDisplay, int VDisplay, float VRefresh, Bool Reduced,
- Bool Verbose)
-{
- Bool IsCVT = TRUE;
-
- if ((!(VDisplay % 3) && ((VDisplay * 4 / 3) == HDisplay)) ||
- (!(VDisplay % 9) && ((VDisplay * 16 / 9) == HDisplay)) ||
- (!(VDisplay % 10) && ((VDisplay * 16 / 10) == HDisplay)) ||
- (!(VDisplay % 4) && ((VDisplay * 5 / 4) == HDisplay)) ||
- (!(VDisplay % 9) && ((VDisplay * 15 / 9) == HDisplay)))
- ;
- else {
- if (Verbose)
- fprintf(stderr, "Warning: Aspect Ratio is not CVT standard.\n");
- IsCVT = FALSE;
- }
-
- if ((VRefresh != 50.0) && (VRefresh != 60.0) &&
- (VRefresh != 75.0) && (VRefresh != 85.0)) {
- if (Verbose)
- fprintf(stderr, "Warning: Refresh Rate is not CVT standard "
- "(50, 60, 75 or 85Hz).\n");
- IsCVT = FALSE;
- }
-
- return IsCVT;
-}
-
-
-/*
- * I'm not documenting --interlaced for obvious reasons, even though I did
- * implement it. I also can't deny having looked at gtf here.
- */
-static void
-PrintUsage(char *Name)
-{
- fprintf(stderr, "\n");
- fprintf(stderr, "usage: %s [-v|--verbose] [-r|--reduced] X Y [refresh]\n",
- Name);
- fprintf(stderr, "\n");
- fprintf(stderr, " -v|--verbose : Warn about CVT standard adherance.\n");
- fprintf(stderr, " -r|--reduced : Create a mode with reduced blanking "
- "(default: normal blanking).\n");
- fprintf(stderr, " X : Desired horizontal resolution "
- "(multiple of 8, required).\n");
- fprintf(stderr, " Y : Desired vertical resolution (required).\n");
- fprintf(stderr, " refresh : Desired refresh rate (default: 60.0Hz).\n");
- fprintf(stderr, "\n");
-
- fprintf(stderr, "Calculates VESA CVT (Coordinated Video Timing) modelines"
- " for use with X.\n");
-}
-
-
-/*
- *
- */
-static void
-PrintComment(DisplayModeRec *Mode, Bool CVT, Bool Reduced)
-{
- printf("# %dx%d %.2f Hz ", Mode->HDisplay, Mode->VDisplay, Mode->VRefresh);
-
- if (CVT) {
- printf("(CVT %.2fM",
- ((float) Mode->HDisplay * Mode->VDisplay) / 1000000.0);
-
- if (!(Mode->VDisplay % 3) &&
- ((Mode->VDisplay * 4 / 3) == Mode->HDisplay))
- printf("3");
- else if (!(Mode->VDisplay % 9) &&
- ((Mode->VDisplay * 16 / 9) == Mode->HDisplay))
- printf("9");
- else if (!(Mode->VDisplay % 10) &&
- ((Mode->VDisplay * 16 / 10) == Mode->HDisplay))
- printf("A");
- else if (!(Mode->VDisplay % 4) &&
- ((Mode->VDisplay * 5 / 4) == Mode->HDisplay))
- printf("4");
- else if (!(Mode->VDisplay % 9) &&
- ((Mode->VDisplay * 15 / 9) == Mode->HDisplay))
- printf("9");
-
- if (Reduced)
- printf("-R");
-
- printf(") ");
- } else
- printf("(CVT) ");
-
- printf("hsync: %.2f kHz; ", Mode->HSync);
- printf("pclk: %.2f MHz", ((float ) Mode->Clock) / 1000.0);
-
- printf("\n");
-}
-
-
-/*
- * Originally grabbed from xf86Mode.c.
- *
- * Ignoring the actual Mode->name, as the user will want something solid
- * to grab hold of.
- */
-static void
-PrintModeline(DisplayModePtr Mode, int HDisplay, int VDisplay, float VRefresh,
- Bool Reduced)
-{
- if (Reduced)
- printf("Modeline \"%dx%dR\" ", HDisplay, VDisplay);
- else
- printf("Modeline \"%dx%d_%.2f\" ", HDisplay, VDisplay, VRefresh);
-
- printf("%6.2f %i %i %i %i %i %i %i %i", Mode->Clock/1000., Mode->HDisplay,
- Mode->HSyncStart, Mode->HSyncEnd, Mode->HTotal, Mode->VDisplay,
- Mode->VSyncStart, Mode->VSyncEnd, Mode->VTotal);
-
- if (Mode->Flags & V_INTERLACE)
- printf(" interlace");
- if (Mode->Flags & V_PHSYNC)
- printf(" +hsync");
- if (Mode->Flags & V_NHSYNC)
- printf(" -hsync");
- if (Mode->Flags & V_PVSYNC)
- printf(" +vsync");
- if (Mode->Flags & V_NVSYNC)
- printf(" -vsync");
-
- printf("\n");
-}
-
-
-/*
- *
- */
-int
-main (int argc, char *argv[])
-{
- DisplayModeRec *Mode;
- int HDisplay = 0, VDisplay = 0;
- float VRefresh = 0.0;
- Bool Reduced = FALSE, Verbose = FALSE, IsCVT;
- Bool Interlaced = FALSE;
- int n;
-
- if ((argc < 3) || (argc > 7)) {
- PrintUsage(argv[0]);
- return 1;
- }
-
- /* This doesn't filter out bad flags properly. Bad flags get passed down
- * to atoi/atof, which then return 0, so that these variables can get
- * filled next time round. So this is just a cosmetic problem.
- */
- for (n = 1; n < argc; n++) {
- if (!strcmp(argv[n], "-r") || !strcmp(argv[n], "--reduced"))
- Reduced = TRUE;
- else if (!strcmp(argv[n], "-i") || !strcmp(argv[n], "--interlaced"))
- Interlaced = TRUE;
- else if (!strcmp(argv[n], "-v") || !strcmp(argv[n], "--verbose"))
- Verbose = TRUE;
- else if (!strcmp(argv[n], "-h") || !strcmp(argv[n], "--help")) {
- PrintUsage(argv[0]);
- return 0;
- } else if (!HDisplay) {
- HDisplay = atoi(argv[n]);
- if (!HDisplay) {
- PrintUsage(argv[0]);
- return 1;
- }
- }
- else if (!VDisplay) {
- VDisplay = atoi(argv[n]);
- if (!VDisplay) {
- PrintUsage(argv[0]);
- return 1;
- }
- }
- else if (!VRefresh) {
- VRefresh = atof(argv[n]);
- if (!VRefresh) {
- PrintUsage(argv[0]);
- return 1;
- }
- }
- else {
- PrintUsage(argv[0]);
- return 1;
- }
- }
-
- if (!HDisplay || !VDisplay) {
- PrintUsage(argv[0]);
- return 0;
- }
-
- /* Default to 60.0Hz */
- if (!VRefresh)
- VRefresh = 60.0;
-
- /* Horizontal timing is always a multiple of 8: round up. */
- if (HDisplay & 0x07) {
- HDisplay &= ~0x07;
- HDisplay += 8;
- }
-
- if (Reduced) {
- if ((VRefresh / 60.0) != floor(VRefresh / 60.0)) {
- fprintf(stderr,
- "\nERROR: Multiple of 60Hz refresh rate required for "
- " reduced blanking.\n");
- PrintUsage(argv[0]);
- return 0;
- }
- }
-
- IsCVT = CVTCheckStandard(HDisplay, VDisplay, VRefresh, Reduced, Verbose);
-
- Mode = xf86CVTMode(HDisplay, VDisplay, VRefresh, Reduced, Interlaced);
-
- PrintComment(Mode, IsCVT, Reduced);
- PrintModeline(Mode, HDisplay, VDisplay, VRefresh, Reduced);
-
- return 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. + * + */ + +/* Standalone VESA CVT standard timing modelines generator. */ + +#include "xf86.h" + +/* FatalError implementation used by the server code we built in */ +void +FatalError(const char *f, ...) +{ + va_list args; + va_start(args, f); + vfprintf(stderr, f, args); + va_end(args); + exit(1); +} + +/* xnfalloc implementation used by the server code we built in */ +pointer +XNFalloc(unsigned long n) +{ + pointer r; + + r = malloc(n); + if (!r) { + perror("malloc failed"); + exit(1); + } + return r; +} + +/* xnfcalloc implementation used by the server code we built in */ +pointer +XNFcalloc(unsigned long n) +{ + pointer r; + + r = calloc(1, n); + if (!r) { + perror("calloc failed"); + exit(1); + } + return r; +} + +/* + * Quickly check wether this is a CVT standard mode. + */ +static Bool +CVTCheckStandard(int HDisplay, int VDisplay, float VRefresh, Bool Reduced, + Bool Verbose) +{ + Bool IsCVT = TRUE; + + if ((!(VDisplay % 3) && ((VDisplay * 4 / 3) == HDisplay)) || + (!(VDisplay % 9) && ((VDisplay * 16 / 9) == HDisplay)) || + (!(VDisplay % 10) && ((VDisplay * 16 / 10) == HDisplay)) || + (!(VDisplay % 4) && ((VDisplay * 5 / 4) == HDisplay)) || + (!(VDisplay % 9) && ((VDisplay * 15 / 9) == HDisplay))) + ; + else { + if (Verbose) + fprintf(stderr, "Warning: Aspect Ratio is not CVT standard.\n"); + IsCVT = FALSE; + } + + if ((VRefresh != 50.0) && (VRefresh != 60.0) && + (VRefresh != 75.0) && (VRefresh != 85.0)) { + if (Verbose) + fprintf(stderr, "Warning: Refresh Rate is not CVT standard " + "(50, 60, 75 or 85Hz).\n"); + IsCVT = FALSE; + } + + return IsCVT; +} + + +/* + * I'm not documenting --interlaced for obvious reasons, even though I did + * implement it. I also can't deny having looked at gtf here. + */ +static void +PrintUsage(char *Name) +{ + fprintf(stderr, "\n"); + fprintf(stderr, "usage: %s [-v|--verbose] [-r|--reduced] X Y [refresh]\n", + Name); + fprintf(stderr, "\n"); + fprintf(stderr, " -v|--verbose : Warn about CVT standard adherance.\n"); + fprintf(stderr, " -r|--reduced : Create a mode with reduced blanking " + "(default: normal blanking).\n"); + fprintf(stderr, " X : Desired horizontal resolution " + "(multiple of 8, required).\n"); + fprintf(stderr, " Y : Desired vertical resolution (required).\n"); + fprintf(stderr, " refresh : Desired refresh rate (default: 60.0Hz).\n"); + fprintf(stderr, "\n"); + + fprintf(stderr, "Calculates VESA CVT (Coordinated Video Timing) modelines" + " for use with X.\n"); +} + + +/* + * + */ +static void +PrintComment(DisplayModeRec *Mode, Bool CVT, Bool Reduced) +{ + printf("# %dx%d %.2f Hz ", Mode->HDisplay, Mode->VDisplay, Mode->VRefresh); + + if (CVT) { + printf("(CVT %.2fM", + ((float) Mode->HDisplay * Mode->VDisplay) / 1000000.0); + + if (!(Mode->VDisplay % 3) && + ((Mode->VDisplay * 4 / 3) == Mode->HDisplay)) + printf("3"); + else if (!(Mode->VDisplay % 9) && + ((Mode->VDisplay * 16 / 9) == Mode->HDisplay)) + printf("9"); + else if (!(Mode->VDisplay % 10) && + ((Mode->VDisplay * 16 / 10) == Mode->HDisplay)) + printf("A"); + else if (!(Mode->VDisplay % 4) && + ((Mode->VDisplay * 5 / 4) == Mode->HDisplay)) + printf("4"); + else if (!(Mode->VDisplay % 9) && + ((Mode->VDisplay * 15 / 9) == Mode->HDisplay)) + printf("9"); + + if (Reduced) + printf("-R"); + + printf(") "); + } else + printf("(CVT) "); + + printf("hsync: %.2f kHz; ", Mode->HSync); + printf("pclk: %.2f MHz", ((float ) Mode->Clock) / 1000.0); + + printf("\n"); +} + + +/* + * Originally grabbed from xf86Mode.c. + * + * Ignoring the actual Mode->name, as the user will want something solid + * to grab hold of. + */ +static void +PrintModeline(DisplayModePtr Mode, int HDisplay, int VDisplay, float VRefresh, + Bool Reduced) +{ + if (Reduced) + printf("Modeline \"%dx%dR\" ", HDisplay, VDisplay); + else + printf("Modeline \"%dx%d_%.2f\" ", HDisplay, VDisplay, VRefresh); + + printf("%6.2f %i %i %i %i %i %i %i %i", Mode->Clock/1000., Mode->HDisplay, + Mode->HSyncStart, Mode->HSyncEnd, Mode->HTotal, Mode->VDisplay, + Mode->VSyncStart, Mode->VSyncEnd, Mode->VTotal); + + if (Mode->Flags & V_INTERLACE) + printf(" interlace"); + if (Mode->Flags & V_PHSYNC) + printf(" +hsync"); + if (Mode->Flags & V_NHSYNC) + printf(" -hsync"); + if (Mode->Flags & V_PVSYNC) + printf(" +vsync"); + if (Mode->Flags & V_NVSYNC) + printf(" -vsync"); + + printf("\n"); +} + + +/* + * + */ +int +main (int argc, char *argv[]) +{ + DisplayModeRec *Mode; + int HDisplay = 0, VDisplay = 0; + float VRefresh = 0.0; + Bool Reduced = FALSE, Verbose = FALSE, IsCVT; + Bool Interlaced = FALSE; + int n; + + if ((argc < 3) || (argc > 7)) { + PrintUsage(argv[0]); + return 1; + } + + /* This doesn't filter out bad flags properly. Bad flags get passed down + * to atoi/atof, which then return 0, so that these variables can get + * filled next time round. So this is just a cosmetic problem. + */ + for (n = 1; n < argc; n++) { + if (!strcmp(argv[n], "-r") || !strcmp(argv[n], "--reduced")) + Reduced = TRUE; + else if (!strcmp(argv[n], "-i") || !strcmp(argv[n], "--interlaced")) + Interlaced = TRUE; + else if (!strcmp(argv[n], "-v") || !strcmp(argv[n], "--verbose")) + Verbose = TRUE; + else if (!strcmp(argv[n], "-h") || !strcmp(argv[n], "--help")) { + PrintUsage(argv[0]); + return 0; + } else if (!HDisplay) { + HDisplay = atoi(argv[n]); + if (!HDisplay) { + PrintUsage(argv[0]); + return 1; + } + } + else if (!VDisplay) { + VDisplay = atoi(argv[n]); + if (!VDisplay) { + PrintUsage(argv[0]); + return 1; + } + } + else if (!VRefresh) { + VRefresh = atof(argv[n]); + if (!VRefresh) { + PrintUsage(argv[0]); + return 1; + } + } + else { + PrintUsage(argv[0]); + return 1; + } + } + + if (!HDisplay || !VDisplay) { + PrintUsage(argv[0]); + return 0; + } + + /* Default to 60.0Hz */ + if (!VRefresh) + VRefresh = 60.0; + + /* Horizontal timing is always a multiple of 8: round up. */ + if (HDisplay & 0x07) { + HDisplay &= ~0x07; + HDisplay += 8; + } + + if (Reduced) { + if ((VRefresh / 60.0) != floor(VRefresh / 60.0)) { + fprintf(stderr, + "\nERROR: Multiple of 60Hz refresh rate required for " + " reduced blanking.\n"); + PrintUsage(argv[0]); + return 0; + } + } + + IsCVT = CVTCheckStandard(HDisplay, VDisplay, VRefresh, Reduced, Verbose); + + Mode = xf86CVTMode(HDisplay, VDisplay, VRefresh, Reduced, Interlaced); + + PrintComment(Mode, IsCVT, Reduced); + PrintModeline(Mode, HDisplay, VDisplay, VRefresh, Reduced); + + return 0; +} |