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Diffstat (limited to 'hw/kdrive/src/kmode.c')
| -rw-r--r-- | hw/kdrive/src/kmode.c | 313 |
1 files changed, 313 insertions, 0 deletions
diff --git a/hw/kdrive/src/kmode.c b/hw/kdrive/src/kmode.c new file mode 100644 index 000000000..61d7a2fdf --- /dev/null +++ b/hw/kdrive/src/kmode.c @@ -0,0 +1,313 @@ +/* + * $Id$ + * + * Copyright 1999 SuSE, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of SuSE not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. SuSE makes no representations about the + * suitability of this software for any purpose. It is provided "as is" + * without express or implied warranty. + * + * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE + * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Keith Packard, SuSE, Inc. + */ + +#include "kdrive.h" + +const KdMonitorTiming kdMonitorTimings[] = { + /* H V Hz KHz */ + /* FP BP BLANK POLARITY */ + /* Other VESA modes */ + { 640, 350, 85, 31500, /* VESA */ + 32, 96, 192, KdSyncPositive, /* 37.861 */ + 32, 60, 95, KdSyncNegative, /* 85.080 */ + }, + { 640, 400, 85, 31500, /* VESA */ + 32, 96, 192, KdSyncNegative, /* 37.861 */ + 1, 41, 45, KdSyncPositive, /* 85.080 */ + }, + { 720, 400, 85, 35500, /* VESA */ + 36, 108, 216, KdSyncNegative, /* 37.927 */ + 1, 42, 46, KdSyncPositive, /* 85.039 */ + }, + + /* 640x480 modes */ + { 640, 480, 85, 36000, /* VESA */ + 56, 80, 192, KdSyncNegative, /* 43.269 */ + 1, 25, 29, KdSyncNegative, /* 85.008 */ + }, + { 640, 480, 75, 31500, /* VESA */ + 16, 120, 200, KdSyncNegative, /* 37.500 */ + 1, 16, 20, KdSyncNegative, /* 75.000 */ + }, + { 640, 480, 72, 31500, /* VESA */ + 16, 120, 176, KdSyncNegative, /* 37.861 */ + 1, 20, 24, KdSyncNegative, /* 72.809 */ + }, + { 640, 480, 60, 25175, /* VESA */ + 8, 40, 144, KdSyncNegative, /* 31.469 */ + 2, 25, 29, KdSyncNegative, /* 59.940 */ + }, + + /* 800x600 modes */ + { 800, 600, 85, 56250, /* VESA */ + 32, 152, 248, KdSyncPositive, /* 53.674 */ + 1, 27, 31, KdSyncPositive, /* 85.061 */ + }, + { 800, 600, 75, 49500, /* VESA */ + 16, 160, 256, KdSyncPositive, /* 46.875 */ + 1, 21, 25, KdSyncPositive, /* 75.000 */ + }, + /* DEFAULT */ +#define MONITOR_TIMING_DEFAULT 9 + { 800, 600, 72, 50000, /* VESA */ + 56, 64, 240, KdSyncPositive, /* 48.077 */ + 37, 23, 66, KdSyncPositive, /* 72.188 */ + }, + { 800, 600, 60, 40000, /* VESA */ + 40, 88, 256, KdSyncPositive, /* 37.879 */ + 1, 23, 28, KdSyncPositive, /* 60.317 */ + }, + { 800, 600, 56, 36000, /* VESA */ + 24, 128, 224, KdSyncPositive, /* 35.156 */ + 1, 22, 25, KdSyncPositive, /* 56.250 */ + }, + + /* 1024x768 modes */ + { 1024, 768, 85, 94500, /* VESA */ + 48, 208, 352, KdSyncPositive, /* 68.677 */ + 1, 36, 40, KdSyncPositive, /* 84.997 */ + }, + { 1024, 768, 75, 78750, /* VESA */ + 16, 176, 288, KdSyncPositive, /* 60.023 */ + 1, 28, 32, KdSyncPositive, /* 75.029 */ + }, + { 1024, 768, 70, 75000, /* VESA */ + 24, 144, 304, KdSyncNegative, /* 56.476 */ + 3, 29, 38, KdSyncNegative, /* 70.069 */ + }, + { 1024, 768, 60, 65000, /* VESA */ + 24, 160, 320, KdSyncNegative, /* 48.363 */ + 3, 29, 38, KdSyncNegative, /* 60.004 */ + }, + + /* 1152x864 mode */ + { 1152, 864, 75, 108000, /* VESA */ + 64, 256, 448, KdSyncPositive, /* 67.500 */ + 1, 32, 36, KdSyncPositive, /* 75.000 */ + }, + + /* 1152x900 modes */ + { 1152, 900, 85, 122500, /* ADDED */ + 48, 208, 384, KdSyncPositive, /* 79.753 */ + 1, 32, 38, KdSyncPositive, /* 85.024 */ + }, + { 1152, 900, 75, 108250, /* ADDED */ + 32, 208, 384, KdSyncPositive, /* 70.475 */ + 1, 32, 38, KdSyncPositive, /* 75.133 */ + }, + { 1152, 900, 70, 100250, /* ADDED */ + 32, 208, 384, KdSyncPositive, /* 65.267 */ + 2, 32, 38, KdSyncPositive, /* 69.581 */ + }, + { 1152, 900, 66, 95000, /* ADDED */ + 32, 208, 384, KdSyncPositive, /* 61.849 */ + 1, 32, 38, KdSyncPositive, /* 65.937 */ + }, + + /* 1280x960 modes */ + { 1280, 960, 85, 148500, /* VESA */ + 64, 224, 448, KdSyncPositive, /* 85.938 */ + 1, 47, 51, KdSyncPositive, /* 85.002 */ + }, + { 1280, 960, 60, 108000, /* VESA */ + 96, 312, 520, KdSyncPositive, /* 60.000 */ + 1, 36, 40, KdSyncPositive, /* 60.000 */ + }, + + /* 1280x1024 modes */ + { 1280, 1024, 85, 157500, /* VESA */ + 64, 224, 448, KdSyncPositive, /* 91.146 */ + 1, 44, 48, KdSyncPositive, /* 85.024 */ + }, + { 1280, 1024, 75, 135000, /* VESA */ + 16, 248, 408, KdSyncPositive, /* 79.976 */ + 1, 38, 42, KdSyncPositive, /* 75.025 */ + }, + { 1280, 1024, 60, 108000, /* VESA */ + 48, 248, 408, KdSyncPositive, /* 63.981 */ + 1, 38, 42, KdSyncPositive, /* 60.020 */ + }, + + /* 1600x1200 modes */ + { 1600, 1200, 85, 229500, /* VESA */ + 64, 304, 560, KdSyncPositive, /* 106.250 */ + 1, 46, 50, KdSyncPositive, /* 85.000 */ + }, + { 1600, 1200, 75, 202500, /* VESA */ + 64, 304, 560, KdSyncPositive, /* 93.750 */ + 1, 46, 50, KdSyncPositive, /* 75.000 */ + }, + { 1600, 1200, 70, 189000, /* VESA */ + 64, 304, 560, KdSyncPositive, /* 87.500 */ + 1, 46, 50, KdSyncPositive, /* 70.000 */ + }, + { 1600, 1200, 65, 175500, /* VESA */ + 64, 304, 560, KdSyncPositive, /* 81.250 */ + 1, 46, 50, KdSyncPositive, /* 65.000 */ + }, + { 1600, 1200, 60, 162000, /* VESA */ + 64, 304, 560, KdSyncPositive, /* 75.000 */ + 1, 46, 50, KdSyncPositive, /* 60.000 */ + }, + + /* 1792x1344 modes */ + { 1792, 1344, 85, 301500, /* ADDED */ + 96, 352, 672, KdSyncNegative, /* 122.362 */ + 1, 92, 96, KdSyncPositive, /* 84.974 */ + }, + { 1792, 1344, 75, 261000, /* VESA */ + 96, 352, 664, KdSyncNegative, /* 106.270 */ + 1, 69, 73, KdSyncPositive, /* 74.997 */ + }, + { 1792, 1344, 60, 204750, /* VESA */ + 128, 328, 656, KdSyncNegative, /* 83.640 */ + 1, 46, 50, KdSyncPositive, /* 60.000 */ + }, + +#if 0 + { 1800, 1012, 75 }, + { 1906, 1072, 68 }, +#endif + + /* 1856x1392 modes */ + { 1856, 1392, 85, 330500, /* ADDED */ + 160, 352, 736, KdSyncNegative, /* 127.508 */ + 1, 104, 108, KdSyncPositive, /* 85.001 */ + }, + { 1856, 1392, 75, 288000, /* VESA */ + 128, 352, 704, KdSyncNegative, /* 112.500 */ + 1, 104, 108, KdSyncPositive, /* 75.000 */ + }, + { 1856, 1392, 60, 218250, /* VESA */ + 96, 352, 672, KdSyncNegative, /* 86.333 */ + 1, 43, 47, KdSyncPositive, /* 59.995 */ + }, + + /* 1920x1440 modes */ + { 1920, 1440, 85, 341750, /* ADDED */ + 160, 352, 760, KdSyncNegative, /* 127.512 */ + 1, 56, 60, KdSyncPositive, /* 85.012 */ + }, + { 1920, 1440, 75, 297000, /* VESA */ + 144, 352, 720, KdSyncNegative, /* 112.500 */ + 1, 56, 60, KdSyncPositive, /* 75.000 */ + }, + { 1920, 1440, 60, 234000, /* VESA */ + 128, 244, 680, KdSyncNegative, /* 90.000 */ + 1, 56, 60, KdSyncPositive, /* 60.000 */ + }, +}; + +#define NUM_MONITOR_TIMINGS (sizeof kdMonitorTimings/sizeof kdMonitorTimings[0]) + +const int kdNumMonitorTimings = NUM_MONITOR_TIMINGS; + +const KdMonitorTiming * +KdFindMode (KdScreenInfo *screen, + Bool (*supported) (KdScreenInfo *, + const KdMonitorTiming *)) +{ + int i; + const KdMonitorTiming *t; + + for (i = 0, t = kdMonitorTimings; i < NUM_MONITOR_TIMINGS; i++, t++) + { + if ((*supported) (screen, t) && + t->horizontal == screen->width && + t->vertical == screen->height && + (!screen->rate || t->rate <= screen->rate)) + { + return t; + } + } + return &kdMonitorTimings[MONITOR_TIMING_DEFAULT]; +} + +static const KdMonitorTiming * +kdFindPrevSize (const KdMonitorTiming *old) +{ + const KdMonitorTiming *new, *prev; + + if (old == kdMonitorTimings) + return 0; + new = old; + /* + * Search for the previous size + */ + while (new != kdMonitorTimings) + { + new--; + if (new->horizontal != old->horizontal && + new->vertical != old->vertical) + { + break; + } + } + /* + * Match the refresh rate (<=) + */ + while (new != kdMonitorTimings) + { + prev = new - 1; + if (prev->horizontal == new->horizontal && + prev->vertical == new->vertical && + prev->rate > old->rate) + { + break; + } + new--; + } + return new; +} + +Bool +KdTuneMode (KdScreenInfo *screen, + Bool (*usable) (KdScreenInfo *), + Bool (*supported) (KdScreenInfo *, + const KdMonitorTiming *)) +{ + const KdMonitorTiming *t, *new; + + while (!(*usable) (screen)) + { + /* + * Fix requested depth and geometry until it works + */ + if (screen->depth > 16) + screen->depth = 16; + else if (screen->depth > 8) + screen->depth = 8; + else + { + t = kdFindPrevSize (KdFindMode (screen, supported)); + if (!t) + return FALSE; + screen->width = t->horizontal; + screen->height = t->vertical; + screen->rate = t->rate; + } + } + return TRUE; +} |