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-rw-r--r--src/Makefile.am1
-rw-r--r--src/i830.h4
-rw-r--r--src/i830_display.h8
-rw-r--r--src/i830_edid_modes.c249
-rw-r--r--src/i830_gtf.c353
-rw-r--r--src/i830_modes.c230
-rw-r--r--src/i830_xf86Modes.c117
-rw-r--r--src/i830_xf86Modes.h2
-rw-r--r--src/i830_xf86cvt.c297
9 files changed, 557 insertions, 704 deletions
diff --git a/src/Makefile.am b/src/Makefile.am
index 0fce5e4f..52def8b8 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -63,7 +63,6 @@ i810_drv_la_SOURCES = \
i830_driver.c \
i830_dvo.c \
i830.h \
- i830_gtf.c \
i830_i2c.c \
i830_io.c \
i830_lvds.c \
diff --git a/src/i830.h b/src/i830.h
index 32a540ef..96ac7a43 100644
--- a/src/i830.h
+++ b/src/i830.h
@@ -676,10 +676,6 @@ void i830_lvds_init(ScrnInfoPtr pScrn);
Bool I830BindAGPMemory(ScrnInfoPtr pScrn);
Bool I830UnbindAGPMemory(ScrnInfoPtr pScrn);
-/* i830_gtf.c */
-DisplayModePtr i830GetGTF(int h_pixels, int v_lines, float freq,
- int interlaced, int margins);
-
/* i830_modes.c */
int I830ValidateXF86ModeList(ScrnInfoPtr pScrn, Bool first_time);
void i830_reprobe_output_modes(ScrnInfoPtr pScrn);
diff --git a/src/i830_display.h b/src/i830_display.h
index 361a3c67..322f635c 100644
--- a/src/i830_display.h
+++ b/src/i830_display.h
@@ -38,3 +38,11 @@ void i830DescribeOutputConfiguration(ScrnInfoPtr pScrn);
int i830GetLoadDetectPipe(ScrnInfoPtr pScrn, I830OutputPtr output);
void i830ReleaseLoadDetectPipe(ScrnInfoPtr pScrn, I830OutputPtr output);
Bool i830PipeInUse(ScrnInfoPtr pScrn, int pipe);
+
+/** @{
+ */
+DisplayModePtr i830xf86DDCGetModes(int scrnIndex, xf86MonPtr DDC);
+DisplayModePtr i830xf86CVTMode(int HDisplay, int VDisplay, float VRefresh,
+ Bool Reduced, Bool Interlaced);
+/** @} */
+
diff --git a/src/i830_edid_modes.c b/src/i830_edid_modes.c
new file mode 100644
index 00000000..05df60ce
--- /dev/null
+++ b/src/i830_edid_modes.c
@@ -0,0 +1,249 @@
+/*
+ * Copyright 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, sub license,
+ * 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 (including the
+ * next paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
+ */
+
+/**
+ * @file This is a copy of edid_modes.c from the X Server, for compatibility
+ * with old X Servers.
+ */
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include "xf86.h"
+#include "xf86DDC.h"
+#include <X11/Xatom.h>
+#include "property.h"
+#include "propertyst.h"
+#include "xf86DDC.h"
+
+/*
+ * TODO:
+ * - for those with access to the VESA DMT standard; review please.
+ */
+#define MODEPREFIX(name) NULL, NULL, name, 0,M_T_DRIVER
+#define MODESUFFIX 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,FALSE,FALSE,0,NULL,0,0.0,0.0
+
+DisplayModeRec DDCEstablishedModes[17] = {
+ { MODEPREFIX("800x600"), 40000, 800, 840, 968, 1056, 0, 600, 601, 605, 628, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 800x600@60Hz */
+ { MODEPREFIX("800x600"), 36000, 800, 824, 896, 1024, 0, 600, 601, 603, 625, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 800x600@56Hz */
+ { MODEPREFIX("640x480"), 31500, 640, 656, 720, 840, 0, 480, 481, 484, 500, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 640x480@75Hz */
+ { MODEPREFIX("640x480"), 31500, 640, 664, 704, 832, 0, 480, 489, 491, 520, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 640x480@72Hz */
+ { MODEPREFIX("640x480"), 30240, 640, 704, 768, 864, 0, 480, 483, 486, 525, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 640x480@67Hz */
+ { MODEPREFIX("640x480"), 25200, 640, 656, 752, 800, 0, 480, 490, 492, 525, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 640x480@60Hz */
+ { MODEPREFIX("720x400"), 35500, 720, 738, 846, 900, 0, 400, 421, 423, 449, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 720x400@88Hz */
+ { MODEPREFIX("720x400"), 28320, 720, 738, 846, 900, 0, 400, 412, 414, 449, 0, V_NHSYNC | V_PVSYNC, MODESUFFIX }, /* 720x400@70Hz */
+ { MODEPREFIX("1280x1024"), 135000, 1280, 1296, 1440, 1688, 0, 1024, 1025, 1028, 1066, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 1280x1024@75Hz */
+ { MODEPREFIX("1024x768"), 78800, 1024, 1040, 1136, 1312, 0, 768, 769, 772, 800, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 1024x768@75Hz */
+ { MODEPREFIX("1024x768"), 75000, 1024, 1048, 1184, 1328, 0, 768, 771, 777, 806, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 1024x768@70Hz */
+ { MODEPREFIX("1024x768"), 65000, 1024, 1048, 1184, 1344, 0, 768, 771, 777, 806, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 1024x768@60Hz */
+ { MODEPREFIX("1024x768"), 44900, 1024, 1032, 1208, 1264, 0, 768, 768, 776, 817, 0, V_PHSYNC | V_PVSYNC | V_INTERLACE, MODESUFFIX }, /* 1024x768@43Hz */
+ { MODEPREFIX("832x624"), 57284, 832, 864, 928, 1152, 0, 624, 625, 628, 667, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 832x624@75Hz */
+ { MODEPREFIX("800x600"), 49500, 800, 816, 896, 1056, 0, 600, 601, 604, 625, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 800x600@75Hz */
+ { MODEPREFIX("800x600"), 50000, 800, 856, 976, 1040, 0, 600, 637, 643, 666, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 800x600@72Hz */
+ { MODEPREFIX("1152x864"), 108000, 1152, 1216, 1344, 1600, 0, 864, 865, 868, 900, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 1152x864@75Hz */
+};
+
+static DisplayModePtr
+DDCModesFromEstablished(int scrnIndex, struct established_timings *timing)
+{
+ DisplayModePtr Modes = NULL, Mode = NULL;
+ CARD32 bits = (timing->t1) | (timing->t2 << 8) |
+ ((timing->t_manu & 0x80) << 9);
+ int i;
+
+ for (i = 0; i < 17; i++) {
+ if (bits & (0x01 << i)) {
+ Mode = xf86DuplicateMode(&DDCEstablishedModes[i]);
+ Modes = xf86ModesAdd(Modes, Mode);
+ }
+ }
+
+ return Modes;
+}
+
+/*
+ *
+ */
+static DisplayModePtr
+DDCModesFromStandardTiming(int scrnIndex, struct std_timings *timing)
+{
+ DisplayModePtr Modes = NULL, Mode = NULL;
+ int i;
+
+ for (i = 0; i < STD_TIMINGS; i++) {
+ if (timing[i].hsize && timing[i].vsize && timing[i].refresh) {
+ Mode = i830xf86CVTMode(timing[i].hsize, timing[i].vsize,
+ timing[i].refresh, FALSE, FALSE);
+ Mode->type = M_T_DRIVER;
+ Modes = xf86ModesAdd(Modes, Mode);
+ }
+ }
+
+ return Modes;
+}
+
+/*
+ *
+ */
+static DisplayModePtr
+DDCModeFromDetailedTiming(int scrnIndex, struct detailed_timings *timing,
+ int preferred)
+{
+ DisplayModePtr Mode;
+
+ /* We don't do stereo */
+ if (timing->stereo) {
+ xf86DrvMsg(scrnIndex, X_INFO,
+ "%s: Ignoring: We don't handle stereo.\n", __func__);
+ return NULL;
+ }
+
+ /* We only do seperate sync currently */
+ if (timing->sync != 0x03) {
+ xf86DrvMsg(scrnIndex, X_INFO,
+ "%s: %dx%d Warning: We only handle seperate"
+ " sync.\n", __func__, timing->h_active, timing->v_active);
+ }
+
+ Mode = xnfalloc(sizeof(DisplayModeRec));
+ memset(Mode, 0, sizeof(DisplayModeRec));
+
+ Mode->type = M_T_DRIVER;
+ if (preferred)
+ Mode->type |= M_T_PREFERRED;
+
+ Mode->Clock = timing->clock / 1000.0;
+
+ Mode->HDisplay = timing->h_active;
+ Mode->HSyncStart = timing->h_active + timing->h_sync_off;
+ Mode->HSyncEnd = Mode->HSyncStart + timing->h_sync_width;
+ Mode->HTotal = timing->h_active + timing->h_blanking;
+
+ Mode->VDisplay = timing->v_active;
+ Mode->VSyncStart = timing->v_active + timing->v_sync_off;
+ Mode->VSyncEnd = Mode->VSyncStart + timing->v_sync_width;
+ Mode->VTotal = timing->v_active + timing->v_blanking;
+
+ xf86SetModeDefaultName(Mode);
+
+ /* We ignore h/v_size and h/v_border for now. */
+
+ if (timing->interlaced)
+ Mode->Flags |= V_INTERLACE;
+
+ if (timing->misc & 0x02)
+ Mode->Flags |= V_PHSYNC;
+ else
+ Mode->Flags |= V_NHSYNC;
+
+ if (timing->misc & 0x01)
+ Mode->Flags |= V_PVSYNC;
+ else
+ Mode->Flags |= V_NVSYNC;
+
+ return Mode;
+}
+
+/*
+ *
+ */
+static void
+DDCGuessRangesFromModes(int scrnIndex, MonPtr Monitor, DisplayModePtr Modes)
+{
+ DisplayModePtr Mode = Modes;
+
+ if (!Monitor || !Modes)
+ return;
+
+ /* set up the ranges for scanning through the modes */
+ Monitor->nHsync = 1;
+ Monitor->hsync[0].lo = 1024.0;
+ Monitor->hsync[0].hi = 0.0;
+
+ Monitor->nVrefresh = 1;
+ Monitor->vrefresh[0].lo = 1024.0;
+ Monitor->vrefresh[0].hi = 0.0;
+
+ while (Mode) {
+ if (!Mode->HSync)
+ Mode->HSync = ((float) Mode->Clock ) / ((float) Mode->HTotal);
+
+ if (!Mode->VRefresh)
+ Mode->VRefresh = (1000.0 * ((float) Mode->Clock)) /
+ ((float) (Mode->HTotal * Mode->VTotal));
+
+ if (Mode->HSync < Monitor->hsync[0].lo)
+ Monitor->hsync[0].lo = Mode->HSync;
+
+ if (Mode->HSync > Monitor->hsync[0].hi)
+ Monitor->hsync[0].hi = Mode->HSync;
+
+ if (Mode->VRefresh < Monitor->vrefresh[0].lo)
+ Monitor->vrefresh[0].lo = Mode->VRefresh;
+
+ if (Mode->VRefresh > Monitor->vrefresh[0].hi)
+ Monitor->vrefresh[0].hi = Mode->VRefresh;
+
+ Mode = Mode->next;
+ }
+}
+
+DisplayModePtr
+i830xf86DDCGetModes(int scrnIndex, xf86MonPtr DDC)
+{
+ int preferred, i;
+ DisplayModePtr Modes = NULL, Mode;
+
+ preferred = PREFERRED_TIMING_MODE(DDC->features.msc);
+
+ /* Add established timings */
+ Mode = DDCModesFromEstablished(scrnIndex, &DDC->timings1);
+ Modes = xf86ModesAdd(Modes, Mode);
+
+ /* Add standard timings */
+ Mode = DDCModesFromStandardTiming(scrnIndex, DDC->timings2);
+ Modes = xf86ModesAdd(Modes, Mode);
+
+ for (i = 0; i < DET_TIMINGS; i++) {
+ struct detailed_monitor_section *det_mon = &DDC->det_mon[i];
+
+ switch (det_mon->type) {
+ case DT:
+ Mode = DDCModeFromDetailedTiming(scrnIndex,
+ &det_mon->section.d_timings,
+ preferred);
+ preferred = 0;
+ Modes = xf86ModesAdd(Modes, Mode);
+ break;
+ case DS_STD_TIMINGS:
+ Mode = DDCModesFromStandardTiming(scrnIndex,
+ det_mon->section.std_t);
+ Modes = xf86ModesAdd(Modes, Mode);
+ break;
+ default:
+ break;
+ }
+ }
+
+ return Modes;
+}
diff --git a/src/i830_gtf.c b/src/i830_gtf.c
deleted file mode 100644
index 523e167a..00000000
--- a/src/i830_gtf.c
+++ /dev/null
@@ -1,353 +0,0 @@
-#define DEBUG_VERB 2
-/*
- * Copyright © 2002 David Dawes
- *
- * 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 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.
- *
- * Except as contained in this notice, the name of the author(s) shall
- * not be used in advertising or otherwise to promote the sale, use or other
- * dealings in this Software without prior written authorization from
- * the author(s).
- *
- * Authors: David Dawes <dawes@xfree86.org>
- *
- * $XFree86: xc/programs/Xserver/hw/xfree86/os-support/vbe/vbeModes.c,v 1.6 2002/11/02 01:38:25 dawes Exp $
- */
-/*
- * Modified by Alan Hourihane <alanh@tungstengraphics.com>
- * to support extended BIOS modes for the Intel chipsets
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <stdio.h>
-#include <string.h>
-
-#include "xf86.h"
-#include "vbe.h"
-#include "vbeModes.h"
-#include "i830.h"
-#include "i830_xf86Modes.h"
-
-#include <math.h>
-
-#define rint(x) floor(x)
-
-#define MARGIN_PERCENT 1.8 /* % of active vertical image */
-#define CELL_GRAN 8.0 /* assumed character cell granularity */
-#define MIN_PORCH 1 /* minimum front porch */
-#define V_SYNC_RQD 3 /* width of vsync in lines */
-#define H_SYNC_PERCENT 8.0 /* width of hsync as % of total line */
-#define MIN_VSYNC_PLUS_BP 550.0 /* min time of vsync + back porch (microsec) */
-#define M 600.0 /* blanking formula gradient */
-#define C 40.0 /* blanking formula offset */
-#define K 128.0 /* blanking formula scaling factor */
-#define J 20.0 /* blanking formula scaling factor */
-
-/* C' and M' are part of the Blanking Duty Cycle computation */
-
-#define C_PRIME (((C - J) * K/256.0) + J)
-#define M_PRIME (K/256.0 * M)
-
-DisplayModePtr
-i830GetGTF(int h_pixels, int v_lines, float freq, int interlaced, int margins)
-{
- float h_pixels_rnd;
- float v_lines_rnd;
- float v_field_rate_rqd;
- float top_margin;
- float bottom_margin;
- float interlace;
- float h_period_est;
- float vsync_plus_bp;
- float v_back_porch;
- float total_v_lines;
- float v_field_rate_est;
- float h_period;
- float v_field_rate;
- float v_frame_rate;
- float left_margin;
- float right_margin;
- float total_active_pixels;
- float ideal_duty_cycle;
- float h_blank;
- float total_pixels;
- float pixel_freq;
- float h_freq;
-
- float h_sync;
- float h_front_porch;
- float v_odd_front_porch_lines;
- DisplayModePtr m;
-
- m = xnfcalloc(sizeof(DisplayModeRec), 1);
-
-
- /* 1. In order to give correct results, the number of horizontal
- * pixels requested is first processed to ensure that it is divisible
- * by the character size, by rounding it to the nearest character
- * cell boundary:
- *
- * [H PIXELS RND] = ((ROUND([H PIXELS]/[CELL GRAN RND],0))*[CELLGRAN RND])
- */
-
- h_pixels_rnd = rint((float) h_pixels / CELL_GRAN) * CELL_GRAN;
-
-
- /* 2. If interlace is requested, the number of vertical lines assumed
- * by the calculation must be halved, as the computation calculates
- * the number of vertical lines per field. In either case, the
- * number of lines is rounded to the nearest integer.
- *
- * [V LINES RND] = IF([INT RQD?]="y", ROUND([V LINES]/2,0),
- * ROUND([V LINES],0))
- */
-
- v_lines_rnd = interlaced ?
- rint((float) v_lines) / 2.0 :
- rint((float) v_lines);
-
- /* 3. Find the frame rate required:
- *
- * [V FIELD RATE RQD] = IF([INT RQD?]="y", [I/P FREQ RQD]*2,
- * [I/P FREQ RQD])
- */
-
- v_field_rate_rqd = interlaced ? (freq * 2.0) : (freq);
-
- /* 4. Find number of lines in Top margin:
- *
- * [TOP MARGIN (LINES)] = IF([MARGINS RQD?]="Y",
- * ROUND(([MARGIN%]/100*[V LINES RND]),0),
- * 0)
- */
-
- top_margin = margins ? rint(MARGIN_PERCENT / 100.0 * v_lines_rnd) : (0.0);
-
- /* 5. Find number of lines in Bottom margin:
- *
- * [BOT MARGIN (LINES)] = IF([MARGINS RQD?]="Y",
- * ROUND(([MARGIN%]/100*[V LINES RND]),0),
- * 0)
- */
-
- bottom_margin = margins ? rint(MARGIN_PERCENT/100.0 * v_lines_rnd) : (0.0);
-
- /* 6. If interlace is required, then set variable [INTERLACE]=0.5:
- *
- * [INTERLACE]=(IF([INT RQD?]="y",0.5,0))
- */
-
- interlace = interlaced ? 0.5 : 0.0;
-
- /* 7. Estimate the Horizontal period
- *
- * [H PERIOD EST] = ((1/[V FIELD RATE RQD]) - [MIN VSYNC+BP]/1000000) /
- * ([V LINES RND] + (2*[TOP MARGIN (LINES)]) +
- * [MIN PORCH RND]+[INTERLACE]) * 1000000
- */
-
- h_period_est = (((1.0/v_field_rate_rqd) - (MIN_VSYNC_PLUS_BP/1000000.0))
- / (v_lines_rnd + (2*top_margin) + MIN_PORCH + interlace)
- * 1000000.0);
-
- /* 8. Find the number of lines in V sync + back porch:
- *
- * [V SYNC+BP] = ROUND(([MIN VSYNC+BP]/[H PERIOD EST]),0)
- */
-
- vsync_plus_bp = rint(MIN_VSYNC_PLUS_BP/h_period_est);
-
- /* 9. Find the number of lines in V back porch alone:
- *
- * [V BACK PORCH] = [V SYNC+BP] - [V SYNC RND]
- *
- * XXX is "[V SYNC RND]" a typo? should be [V SYNC RQD]?
- */
-
- v_back_porch = vsync_plus_bp - V_SYNC_RQD;
-
- /* 10. Find the total number of lines in Vertical field period:
- *
- * [TOTAL V LINES] = [V LINES RND] + [TOP MARGIN (LINES)] +
- * [BOT MARGIN (LINES)] + [V SYNC+BP] + [INTERLACE] +
- * [MIN PORCH RND]
- */
-
- total_v_lines = v_lines_rnd + top_margin + bottom_margin + vsync_plus_bp +
- interlace + MIN_PORCH;
-
- /* 11. Estimate the Vertical field frequency:
- *
- * [V FIELD RATE EST] = 1 / [H PERIOD EST] / [TOTAL V LINES] * 1000000
- */
-
- v_field_rate_est = 1.0 / h_period_est / total_v_lines * 1000000.0;
-
- /* 12. Find the actual horizontal period:
- *
- * [H PERIOD] = [H PERIOD EST] / ([V FIELD RATE RQD] / [V FIELD RATE EST])
- */
-
- h_period = h_period_est / (v_field_rate_rqd / v_field_rate_est);
-
- /* 13. Find the actual Vertical field frequency:
- *
- * [V FIELD RATE] = 1 / [H PERIOD] / [TOTAL V LINES] * 1000000
- */
-
- v_field_rate = 1.0 / h_period / total_v_lines * 1000000.0;
-
- /* 14. Find the Vertical frame frequency:
- *
- * [V FRAME RATE] = (IF([INT RQD?]="y", [V FIELD RATE]/2, [V FIELD RATE]))
- */
-
- v_frame_rate = interlaced ? v_field_rate / 2.0 : v_field_rate;
-
- /* 15. Find number of pixels in left margin:
- *
- * [LEFT MARGIN (PIXELS)] = (IF( [MARGINS RQD?]="Y",
- * (ROUND( ([H PIXELS RND] * [MARGIN%] / 100 /
- * [CELL GRAN RND]),0)) * [CELL GRAN RND],
- * 0))
- */
-
- left_margin = margins ?
- rint(h_pixels_rnd * MARGIN_PERCENT / 100.0 / CELL_GRAN) * CELL_GRAN :
- 0.0;
-
- /* 16. Find number of pixels in right margin:
- *
- * [RIGHT MARGIN (PIXELS)] = (IF( [MARGINS RQD?]="Y",
- * (ROUND( ([H PIXELS RND] * [MARGIN%] / 100 /
- * [CELL GRAN RND]),0)) * [CELL GRAN RND],
- * 0))
- */
-
- right_margin = margins ?
- rint(h_pixels_rnd * MARGIN_PERCENT / 100.0 / CELL_GRAN) * CELL_GRAN :
- 0.0;
-
- /* 17. Find total number of active pixels in image and left and right
- * margins:
- *
- * [TOTAL ACTIVE PIXELS] = [H PIXELS RND] + [LEFT MARGIN (PIXELS)] +
- * [RIGHT MARGIN (PIXELS)]
- */
-
- total_active_pixels = h_pixels_rnd + left_margin + right_margin;
-
- /* 18. Find the ideal blanking duty cycle from the blanking duty cycle
- * equation:
- *
- * [IDEAL DUTY CYCLE] = [C'] - ([M']*[H PERIOD]/1000)
- */
-
- ideal_duty_cycle = C_PRIME - (M_PRIME * h_period / 1000.0);
-
- /* 19. Find the number of pixels in the blanking time to the nearest
- * double character cell:
- *
- * [H BLANK (PIXELS)] = (ROUND(([TOTAL ACTIVE PIXELS] *
- * [IDEAL DUTY CYCLE] /
- * (100-[IDEAL DUTY CYCLE]) /
- * (2*[CELL GRAN RND])), 0))
- * * (2*[CELL GRAN RND])
- */
-
- h_blank = rint(total_active_pixels *
- ideal_duty_cycle /
- (100.0 - ideal_duty_cycle) /
- (2.0 * CELL_GRAN)) * (2.0 * CELL_GRAN);
-
- /* 20. Find total number of pixels:
- *
- * [TOTAL PIXELS] = [TOTAL ACTIVE PIXELS] + [H BLANK (PIXELS)]
- */
-
- total_pixels = total_active_pixels + h_blank;
-
- /* 21. Find pixel clock frequency:
- *
- * [PIXEL FREQ] = [TOTAL PIXELS] / [H PERIOD]
- */
-
- pixel_freq = total_pixels / h_period;
-
- /* 22. Find horizontal frequency:
- *
- * [H FREQ] = 1000 / [H PERIOD]
- */
-
- h_freq = 1000.0 / h_period;
-
-
- /* Stage 1 computations are now complete; I should really pass
- the results to another function and do the Stage 2
- computations, but I only need a few more values so I'll just
- append the computations here for now */
-
-
-
- /* 17. Find the number of pixels in the horizontal sync period:
- *
- * [H SYNC (PIXELS)] =(ROUND(([H SYNC%] / 100 * [TOTAL PIXELS] /
- * [CELL GRAN RND]),0))*[CELL GRAN RND]
- */
-
- h_sync = rint(H_SYNC_PERCENT/100.0 * total_pixels / CELL_GRAN) * CELL_GRAN;
-
- /* 18. Find the number of pixels in the horizontal front porch period:
- *
- * [H FRONT PORCH (PIXELS)] = ([H BLANK (PIXELS)]/2)-[H SYNC (PIXELS)]
- */
-
- h_front_porch = (h_blank / 2.0) - h_sync;
-
- /* 36. Find the number of lines in the odd front porch period:
- *
- * [V ODD FRONT PORCH(LINES)]=([MIN PORCH RND]+[INTERLACE])
- */
-
- v_odd_front_porch_lines = MIN_PORCH + interlace;
-
- /* finally, pack the results in the DisplayMode struct */
-
- m->HDisplay = (int) (h_pixels_rnd);
- m->HSyncStart = (int) (h_pixels_rnd + h_front_porch);
- m->HSyncEnd = (int) (h_pixels_rnd + h_front_porch + h_sync);
- m->HTotal = (int) (total_pixels);
-
- m->VDisplay = (int) (v_lines_rnd);
- m->VSyncStart = (int) (v_lines_rnd + v_odd_front_porch_lines);
- m->VSyncEnd = (int) (int) (v_lines_rnd + v_odd_front_porch_lines + V_SYNC_RQD);
- m->VTotal = (int) (total_v_lines);
-
- m->Clock = (int)(pixel_freq * 1000);
- m->SynthClock = m->Clock;
- m->HSync = h_freq;
- m->VRefresh = v_frame_rate /* freq */;
-
- i830xf86SetModeDefaultName(m);
-
- return (m);
-}
diff --git a/src/i830_modes.c b/src/i830_modes.c
index 7fdd40ed..a0428a0e 100644
--- a/src/i830_modes.c
+++ b/src/i830_modes.c
@@ -48,31 +48,13 @@
#include <math.h>
#include "xf86.h"
+#include "xf86DDC.h"
#include "X11/Xatom.h"
#include "i830.h"
#include "i830_display.h"
#include "i830_xf86Modes.h"
#include <randrstr.h>
-#define rint(x) floor(x)
-
-#define MAX(a,b) ((a) > (b) ? (a) : (b))
-
-#define MARGIN_PERCENT 1.8 /* % of active vertical image */
-#define CELL_GRAN 8.0 /* assumed character cell granularity */
-#define MIN_PORCH 1 /* minimum front porch */
-#define V_SYNC_RQD 3 /* width of vsync in lines */
-#define H_SYNC_PERCENT 8.0 /* width of hsync as % of total line */
-#define MIN_VSYNC_PLUS_BP 550.0 /* min time of vsync + back porch (microsec) */
-#define M 600.0 /* blanking formula gradient */
-#define C 40.0 /* blanking formula offset */
-#define K 128.0 /* blanking formula scaling factor */
-#define J 20.0 /* blanking formula scaling factor */
-
-/* C' and M' are part of the Blanking Duty Cycle computation */
-
-#define C_PRIME (((C - J) * K/256.0) + J)
-#define M_PRIME (K/256.0 * M)
/* Established timings from EDID standard */
static struct
{
@@ -163,214 +145,6 @@ I830PrintModes(ScrnInfoPtr scrp)
} while (p != NULL && p != scrp->modes);
}
-/* This function will sort all modes according to their resolution.
- * Highest resolution first.
- */
-static void
-I830xf86SortModes(DisplayModePtr new, DisplayModePtr *first,
- DisplayModePtr *last)
-{
- DisplayModePtr p;
-
- p = *last;
- while (p) {
- if (((new->HDisplay < p->HDisplay) &&
- (new->VDisplay < p->VDisplay)) ||
- ((new->HDisplay * new->VDisplay) < (p->HDisplay * p->VDisplay)) ||
- ((new->HDisplay == p->HDisplay) &&
- (new->VDisplay == p->VDisplay) &&
- (new->Clock < p->Clock))) {
-
- if (p->next)
- p->next->prev = new;
- new->prev = p;
- new->next = p->next;
- p->next = new;
- if (!(new->next))
- *last = new;
- break;
- }
- if (!p->prev) {
- new->prev = NULL;
- new->next = p;
- p->prev = new;
- *first = new;
- break;
- }
- p = p->prev;
- }
-
- if (!*first) {
- *first = new;
- new->prev = NULL;
- new->next = NULL;
- *last = new;
- }
-}
-
-/**
- * Gets a new pointer to a VESA established mode.
- *
- * \param i index into the VESA established modes table.
- */
-static DisplayModePtr
-I830GetVESAEstablishedMode(ScrnInfoPtr pScrn, int i)
-{
- DisplayModePtr pMode;
-
- for (pMode = I830xf86DefaultModes; pMode->name != NULL; pMode++)
- {
- if (pMode->HDisplay == est_timings[i].hsize &&
- pMode->VDisplay == est_timings[i].vsize &&
- fabs(i830xf86ModeVRefresh(pMode) - est_timings[i].refresh) < 1.0)
- {
- DisplayModePtr pNew = i830xf86DuplicateMode(pMode);
- i830xf86SetModeDefaultName(pNew);
- pNew->VRefresh = i830xf86ModeVRefresh(pMode);
- return pNew;
- }
- }
- return NULL;
-}
-
-static DisplayModePtr
-i830GetDDCModes(ScrnInfoPtr pScrn, xf86MonPtr ddc)
-{
- DisplayModePtr last = NULL;
- DisplayModePtr new = NULL;
- DisplayModePtr first = NULL;
- int count = 0;
- int j, tmp;
-
- if (ddc == NULL)
- return NULL;
-
- /* Go thru detailed timing table first */
- for (j = 0; j < 4; j++) {
- if (ddc->det_mon[j].type == 0) {
- struct detailed_timings *d_timings =
- &ddc->det_mon[j].section.d_timings;
-
- if (d_timings->h_active == 0 || d_timings->v_active == 0) break;
-
- new = xnfcalloc(1, sizeof (DisplayModeRec));
- memset(new, 0, sizeof (DisplayModeRec));
-
- new->HDisplay = d_timings->h_active;
- new->VDisplay = d_timings->v_active;
-
- new->HTotal = new->HDisplay + d_timings->h_blanking;
- new->HSyncStart = new->HDisplay + d_timings->h_sync_off;
- new->HSyncEnd = new->HSyncStart + d_timings->h_sync_width;
- new->VTotal = new->VDisplay + d_timings->v_blanking;
- new->VSyncStart = new->VDisplay + d_timings->v_sync_off;
- new->VSyncEnd = new->VSyncStart + d_timings->v_sync_width;
- new->Clock = d_timings->clock / 1000;
- new->Flags = (d_timings->interlaced ? V_INTERLACE : 0);
- new->status = MODE_OK;
- if (PREFERRED_TIMING_MODE(ddc->features.msc))
- new->type = M_T_PREFERRED;
- else
- new->type = M_T_DRIVER;
-
- i830xf86SetModeDefaultName(new);
-
- if (d_timings->sync == 3) {
- switch (d_timings->misc) {
- case 0: new->Flags |= V_NHSYNC | V_NVSYNC; break;
- case 1: new->Flags |= V_PHSYNC | V_NVSYNC; break;
- case 2: new->Flags |= V_NHSYNC | V_PVSYNC; break;
- case 3: new->Flags |= V_PHSYNC | V_PVSYNC; break;
- }
- }
- count++;
-
- xf86DrvMsg(pScrn->scrnIndex, X_INFO,
- "Valid Mode from Detailed timing table: %s (ht %d hss %d hse %d vt %d vss %d vse %d)\n",
- new->name,
- new->HTotal, new->HSyncStart, new->HSyncEnd,
- new->VTotal, new->VSyncStart, new->VSyncEnd);
-
- I830xf86SortModes(new, &first, &last);
- }
- }
-
- /* Search thru standard VESA modes from EDID */
- for (j = 0; j < 8; j++) {
- if (ddc->timings2[j].hsize == 0 || ddc->timings2[j].vsize == 0)
- continue;
-#if 1
- new = i830GetGTF(ddc->timings2[j].hsize, ddc->timings2[j].vsize,
- ddc->timings2[j].refresh, FALSE, FALSE);
- new->status = MODE_OK;
- new->type |= M_T_DEFAULT;
-
- xf86DrvMsg(pScrn->scrnIndex, X_INFO,
- "Valid Mode from standard timing table: %s\n",
- new->name);
-
- I830xf86SortModes(new, &first, &last);
-#else
- for (p = pScrn->monitor->Modes; p && p->next; p = p->next->next) {
-
- /* Ignore all double scan modes */
- if ((ddc->timings2[j].hsize == p->HDisplay) &&
- (ddc->timings2[j].vsize == p->VDisplay)) {
- float refresh =
- (float)p->Clock * 1000.0 / p->HTotal / p->VTotal;
- float err = (float)ddc->timings2[j].refresh - refresh;
-
- if (err < 0) err = -err;
- if (err < 1.0) {
- /* Is this good enough? */
- new = xnfcalloc(1, sizeof (DisplayModeRec));
- memcpy(new, p, sizeof(DisplayModeRec));
- new->name = xnfalloc(strlen(p->name) + 1);
- strcpy(new->name, p->name);
- new->status = MODE_OK;
- new->type = M_T_DEFAULT;
-
- count++;
-
- xf86DrvMsg(pScrn->scrnIndex, X_INFO,
- "Valid Mode from standard timing table: %s\n",
- new->name);
-
- I830xf86SortModes(new, &first, &last);
- break;
- }
- }
- }
-#endif
- }
-
- /* Search thru established modes from EDID */
- tmp = (ddc->timings1.t1 << 8) | ddc->timings1.t2;
- for (j = 0; j < 16; j++) {
- if (tmp & (1 << j)) {
- new = I830GetVESAEstablishedMode(pScrn, j);
- if (new == NULL) {
- ErrorF("Couldn't get established mode %d\n", j);
- continue;
- }
- new->status = MODE_OK;
- new->type = M_T_DEFAULT;
-
- count++;
-
- xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Valid Mode from established "
- "timing table: %s\n", new->name);
-
- I830xf86SortModes(new, &first, &last);
- }
- }
-
- xf86DrvMsg(pScrn->scrnIndex, X_INFO,
- "Total of %d DDC mode(s) found.\n", count);
-
- return first;
-}
-
static DisplayModePtr
i830GetModeListTail(DisplayModePtr pModeList)
{
@@ -673,7 +447,7 @@ i830_ddc_get_modes(ScrnInfoPtr pScrn, I830OutputPtr output)
i830_output_type_names[output->type]);
xf86PrintEDID(output->MonInfo);
- ddc_modes = i830GetDDCModes(pScrn, ddc_mon);
+ ddc_modes = xf86DDCGetModes(pScrn->scrnIndex, ddc_mon);
/* Strip out any modes that can't be supported on this output. */
for (mode = ddc_modes; mode != NULL; mode = mode->next) {
diff --git a/src/i830_xf86Modes.c b/src/i830_xf86Modes.c
index ca92e4d0..24cc23bd 100644
--- a/src/i830_xf86Modes.c
+++ b/src/i830_xf86Modes.c
@@ -45,7 +45,6 @@
* there but we still want to use. We need to come up with better API here.
*/
-
/**
* Calculates the horizontal sync rate of a mode.
*
@@ -88,12 +87,7 @@ i830xf86ModeVRefresh(DisplayModePtr mode)
return refresh;
}
-/**
- * Sets a default mode name of <width>x<height>x<refresh> on a mode.
- *
- * The refresh rate doesn't contain decimals, as that's expected to be
- * unimportant from the user's perspective for non-custom modelines.
- */
+/** Sets a default mode name of <width>x<height> on a mode. */
void
i830xf86SetModeDefaultName(DisplayModePtr mode)
{
@@ -530,112 +524,3 @@ i830xf86PruneInvalidModes(ScrnInfoPtr pScrn, DisplayModePtr *modeList,
mode = next;
}
}
-
-#define MODEPREFIX(name) NULL, NULL, name, MODE_OK, M_T_DEFAULT
-#define MODESUFFIX 0,0, 0,0,0,0,0,0,0, 0,0,0,0,0,0,FALSE,FALSE,0,NULL,0,0.0,0.0
-
-/**
- * List of VESA established modes, taken from xf86DefaultModes but trimmed down.
- * (not trimming should be harmless).
- */
-DisplayModeRec I830xf86DefaultModes[] = {
-/* 640x350 @ 85Hz (VESA) hsync: 37.9kHz */
- {MODEPREFIX("640x350"),31500, 640,672,736,832,0, 350,382,385,445,0, V_PHSYNC | V_NVSYNC, MODESUFFIX},
- {MODEPREFIX("320x175"),15750, 320,336,368,416,0, 175,191,192,222,0, V_PHSYNC | V_NVSYNC | V_DBLSCAN, MODESUFFIX},
-/* 640x400 @ 85Hz (VESA) hsync: 37.9kHz */
- {MODEPREFIX("640x400"),31500, 640,672,736,832,0, 400,401,404,445,0, V_NHSYNC | V_PVSYNC, MODESUFFIX},
- {MODEPREFIX("320x200"),15750, 320,336,368,416,0, 200,200,202,222,0, V_NHSYNC | V_PVSYNC | V_DBLSCAN, MODESUFFIX},
-/* 720x400 @ 85Hz (VESA) hsync: 37.9kHz */
- {MODEPREFIX("720x400"),35500, 720,756,828,936,0, 400,401,404,446,0, V_NHSYNC | V_PVSYNC, MODESUFFIX},
- {MODEPREFIX("360x200"),17750, 360,378,414,468,0, 200,200,202,223,0, V_NHSYNC | V_PVSYNC | V_DBLSCAN, MODESUFFIX},
-/* 640x480 @ 72Hz (VESA) hsync: 37.9kHz */
- {MODEPREFIX("640x480"),31500, 640,664,704,832,0, 480,489,491,520,0, V_NHSYNC | V_NVSYNC, MODESUFFIX},
- {MODEPREFIX("320x240"),15750, 320,332,352,416,0, 240,244,245,260,0, V_NHSYNC | V_NVSYNC | V_DBLSCAN, MODESUFFIX},
-/* 640x480 @ 75Hz (VESA) hsync: 37.5kHz */
- {MODEPREFIX("640x480"),31500, 640,656,720,840,0, 480,481,484,500,0, V_NHSYNC | V_NVSYNC, MODESUFFIX},
- {MODEPREFIX("320x240"),15750, 320,328,360,420,0, 240,240,242,250,0, V_NHSYNC | V_NVSYNC | V_DBLSCAN, MODESUFFIX},
-/* 640x480 @ 85Hz (VESA) hsync: 43.3kHz */
- {MODEPREFIX("640x480"),36000, 640,696,752,832,0, 480,481,484,509,0, V_NHSYNC | V_NVSYNC, MODESUFFIX},
- {MODEPREFIX("320x240"),18000, 320,348,376,416,0, 240,240,242,254,0, V_NHSYNC | V_NVSYNC | V_DBLSCAN, MODESUFFIX},
-/* 800x600 @ 56Hz (VESA) hsync: 35.2kHz */
- {MODEPREFIX("800x600"),36000, 800,824,896,1024,0, 600,601,603,625,0, V_PHSYNC | V_PVSYNC, MODESUFFIX},
- {MODEPREFIX("400x300"),18000, 400,412,448,512,0, 300,300,301,312,0, V_PHSYNC | V_PVSYNC | V_DBLSCAN, MODESUFFIX},
-/* 800x600 @ 60Hz (VESA) hsync: 37.9kHz */
- {MODEPREFIX("800x600"),40000, 800,840,968,1056,0, 600,601,605,628,0, V_PHSYNC | V_PVSYNC, MODESUFFIX},
- {MODEPREFIX("400x300"),20000, 400,420,484,528,0, 300,300,302,314,0, V_PHSYNC | V_PVSYNC | V_DBLSCAN, MODESUFFIX},
-/* 800x600 @ 72Hz (VESA) hsync: 48.1kHz */
- {MODEPREFIX("800x600"),50000, 800,856,976,1040,0, 600,637,643,666,0, V_PHSYNC | V_PVSYNC, MODESUFFIX},
- {MODEPREFIX("400x300"),25000, 400,428,488,520,0, 300,318,321,333,0, V_PHSYNC | V_PVSYNC | V_DBLSCAN, MODESUFFIX},
-/* 800x600 @ 75Hz (VESA) hsync: 46.9kHz */
- {MODEPREFIX("800x600"),49500, 800,816,896,1056,0, 600,601,604,625,0, V_PHSYNC | V_PVSYNC, MODESUFFIX},
- {MODEPREFIX("400x300"),24750, 400,408,448,528,0, 300,300,302,312,0, V_PHSYNC | V_PVSYNC | V_DBLSCAN, MODESUFFIX},
-/* 800x600 @ 85Hz (VESA) hsync: 53.7kHz */
- {MODEPREFIX("800x600"),56300, 800,832,896,1048,0, 600,601,604,631,0, V_PHSYNC | V_PVSYNC, MODESUFFIX},
- {MODEPREFIX("400x300"),28150, 400,416,448,524,0, 300,300,302,315,0, V_PHSYNC | V_PVSYNC | V_DBLSCAN, MODESUFFIX},
-/* 1024x768 @ 60Hz (VESA) hsync: 48.4kHz */
- {MODEPREFIX("1024x768"),65000, 1024,1048,1184,1344,0, 768,771,777,806,0, V_NHSYNC | V_NVSYNC, MODESUFFIX},
- {MODEPREFIX("512x384"),32500, 512,524,592,672,0, 384,385,388,403,0, V_NHSYNC | V_NVSYNC | V_DBLSCAN, MODESUFFIX},
-/* 1024x768 @ 70Hz (VESA) hsync: 56.5kHz */
- {MODEPREFIX("1024x768"),75000, 1024,1048,1184,1328,0, 768,771,777,806,0, V_NHSYNC | V_NVSYNC, MODESUFFIX},
- {MODEPREFIX("512x384"),37500, 512,524,592,664,0, 384,385,388,403,0, V_NHSYNC | V_NVSYNC | V_DBLSCAN, MODESUFFIX},
-/* 1024x768 @ 75Hz (VESA) hsync: 60.0kHz */
- {MODEPREFIX("1024x768"),78800, 1024,1040,1136,1312,0, 768,769,772,800,0, V_PHSYNC | V_PVSYNC, MODESUFFIX},
- {MODEPREFIX("512x384"),39400, 512,520,568,656,0, 384,384,386,400,0, V_PHSYNC | V_PVSYNC | V_DBLSCAN, MODESUFFIX},
-/* 1024x768 @ 85Hz (VESA) hsync: 68.7kHz */
- {MODEPREFIX("1024x768"),94500, 1024,1072,1168,1376,0, 768,769,772,808,0, V_PHSYNC | V_PVSYNC, MODESUFFIX},
- {MODEPREFIX("512x384"),47250, 512,536,584,688,0, 384,384,386,404,0, V_PHSYNC | V_PVSYNC | V_DBLSCAN, MODESUFFIX},
-/* 1152x864 @ 75Hz (VESA) hsync: 67.5kHz */
- {MODEPREFIX("1152x864"),108000, 1152,1216,1344,1600,0, 864,865,868,900,0, V_PHSYNC | V_PVSYNC, MODESUFFIX},
- {MODEPREFIX("576x432"),54000, 576,608,672,800,0, 432,432,434,450,0, V_PHSYNC | V_PVSYNC | V_DBLSCAN, MODESUFFIX},
-/* 1280x960 @ 60Hz (VESA) hsync: 60.0kHz */
- {MODEPREFIX("1280x960"),108000, 1280,1376,1488,1800,0, 960,961,964,1000,0, V_PHSYNC | V_PVSYNC, MODESUFFIX},
- {MODEPREFIX("640x480"),54000, 640,688,744,900,0, 480,480,482,500,0, V_PHSYNC | V_PVSYNC | V_DBLSCAN, MODESUFFIX},
-/* 1280x960 @ 85Hz (VESA) hsync: 85.9kHz */
- {MODEPREFIX("1280x960"),148500, 1280,1344,1504,1728,0, 960,961,964,1011,0, V_PHSYNC | V_PVSYNC, MODESUFFIX},
- {MODEPREFIX("640x480"),74250, 640,672,752,864,0, 480,480,482,505,0, V_PHSYNC | V_PVSYNC | V_DBLSCAN, MODESUFFIX},
-/* 1280x1024 @ 60Hz (VESA) hsync: 64.0kHz */
- {MODEPREFIX("1280x1024"),108000, 1280,1328,1440,1688,0, 1024,1025,1028,1066,0, V_PHSYNC | V_PVSYNC, MODESUFFIX},
- {MODEPREFIX("640x512"),54000, 640,664,720,844,0, 512,512,514,533,0, V_PHSYNC | V_PVSYNC | V_DBLSCAN, MODESUFFIX},
-/* 1280x1024 @ 75Hz (VESA) hsync: 80.0kHz */
- {MODEPREFIX("1280x1024"),135000, 1280,1296,1440,1688,0, 1024,1025,1028,1066,0, V_PHSYNC | V_PVSYNC, MODESUFFIX},
- {MODEPREFIX("640x512"),67500, 640,648,720,844,0, 512,512,514,533,0, V_PHSYNC | V_PVSYNC | V_DBLSCAN, MODESUFFIX},
-/* 1280x1024 @ 85Hz (VESA) hsync: 91.1kHz */
- {MODEPREFIX("1280x1024"),157500, 1280,1344,1504,1728,0, 1024,1025,1028,1072,0, V_PHSYNC | V_PVSYNC, MODESUFFIX},
- {MODEPREFIX("640x512"),78750, 640,672,752,864,0, 512,512,514,536,0, V_PHSYNC | V_PVSYNC | V_DBLSCAN, MODESUFFIX},
-/* 1600x1200 @ 60Hz (VESA) hsync: 75.0kHz */
- {MODEPREFIX("1600x1200"),162000, 1600,1664,1856,2160,0, 1200,1201,1204,1250,0, V_PHSYNC | V_PVSYNC, MODESUFFIX},
- {MODEPREFIX("800x600"),81000, 800,832,928,1080,0, 600,600,602,625,0, V_PHSYNC | V_PVSYNC | V_DBLSCAN, MODESUFFIX},
-/* 1600x1200 @ 65Hz (VESA) hsync: 81.3kHz */
- {MODEPREFIX("1600x1200"),175500, 1600,1664,1856,2160,0, 1200,1201,1204,1250,0, V_PHSYNC | V_PVSYNC, MODESUFFIX},
- {MODEPREFIX("800x600"),87750, 800,832,928,1080,0, 600,600,602,625,0, V_PHSYNC | V_PVSYNC | V_DBLSCAN, MODESUFFIX},
-/* 1600x1200 @ 70Hz (VESA) hsync: 87.5kHz */
- {MODEPREFIX("1600x1200"),189000, 1600,1664,1856,2160,0, 1200,1201,1204,1250,0, V_PHSYNC | V_PVSYNC, MODESUFFIX},
- {MODEPREFIX("800x600"),94500, 800,832,928,1080,0, 600,600,602,625,0, V_PHSYNC | V_PVSYNC | V_DBLSCAN, MODESUFFIX},
-/* 1600x1200 @ 75Hz (VESA) hsync: 93.8kHz */
- {MODEPREFIX("1600x1200"),202500, 1600,1664,1856,2160,0, 1200,1201,1204,1250,0, V_PHSYNC | V_PVSYNC, MODESUFFIX},
- {MODEPREFIX("800x600"),101250, 800,832,928,1080,0, 600,600,602,625,0, V_PHSYNC | V_PVSYNC | V_DBLSCAN, MODESUFFIX},
-/* 1600x1200 @ 85Hz (VESA) hsync: 106.3kHz */
- {MODEPREFIX("1600x1200"),229500, 1600,1664,1856,2160,0, 1200,1201,1204,1250,0, V_PHSYNC | V_PVSYNC, MODESUFFIX},
- {MODEPREFIX("800x600"),114750, 800,832,928,1080,0, 600,600,602,625,0, V_PHSYNC | V_PVSYNC | V_DBLSCAN, MODESUFFIX},
-/* 1792x1344 @ 60Hz (VESA) hsync: 83.6kHz */
- {MODEPREFIX("1792x1344"),204800, 1792,1920,2120,2448,0, 1344,1345,1348,1394,0, V_NHSYNC | V_PVSYNC, MODESUFFIX},
- {MODEPREFIX("896x672"),102400, 896,960,1060,1224,0, 672,672,674,697,0, V_NHSYNC | V_PVSYNC | V_DBLSCAN, MODESUFFIX},
-/* 1792x1344 @ 75Hz (VESA) hsync: 106.3kHz */
- {MODEPREFIX("1792x1344"),261000, 1792,1888,2104,2456,0, 1344,1345,1348,1417,0, V_NHSYNC | V_PVSYNC, MODESUFFIX},
- {MODEPREFIX("896x672"),130500, 896,944,1052,1228,0, 672,672,674,708,0, V_NHSYNC | V_PVSYNC | V_DBLSCAN, MODESUFFIX},
-/* 1856x1392 @ 60Hz (VESA) hsync: 86.3kHz */
- {MODEPREFIX("1856x1392"),218300, 1856,1952,2176,2528,0, 1392,1393,1396,1439,0, V_NHSYNC | V_PVSYNC, MODESUFFIX},
- {MODEPREFIX("928x696"),109150, 928,976,1088,1264,0, 696,696,698,719,0, V_NHSYNC | V_PVSYNC | V_DBLSCAN, MODESUFFIX},
-/* 1856x1392 @ 75Hz (VESA) hsync: 112.5kHz */
- {MODEPREFIX("1856x1392"),288000, 1856,1984,2208,2560,0, 1392,1393,1396,1500,0, V_NHSYNC | V_PVSYNC, MODESUFFIX},
- {MODEPREFIX("928x696"),144000, 928,992,1104,1280,0, 696,696,698,750,0, V_NHSYNC | V_PVSYNC | V_DBLSCAN, MODESUFFIX},
-/* 1920x1440 @ 60Hz (VESA) hsync: 90.0kHz */
- {MODEPREFIX("1920x1440"),234000, 1920,2048,2256,2600,0, 1440,1441,1444,1500,0, V_NHSYNC | V_PVSYNC, MODESUFFIX},
- {MODEPREFIX("960x720"),117000, 960,1024,1128,1300,0, 720,720,722,750,0, V_NHSYNC | V_PVSYNC | V_DBLSCAN, MODESUFFIX},
-/* 1920x1440 @ 75Hz (VESA) hsync: 112.5kHz */
- {MODEPREFIX("1920x1440"),297000, 1920,2064,2288,2640,0, 1440,1441,1444,1500,0, V_NHSYNC | V_PVSYNC, MODESUFFIX},
- {MODEPREFIX("960x720"),148500, 960,1032,1144,1320,0, 720,720,722,750,0, V_NHSYNC | V_PVSYNC | V_DBLSCAN, MODESUFFIX},
-
- /* Terminator */
- {MODEPREFIX(NULL), 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, MODESUFFIX}
-};
diff --git a/src/i830_xf86Modes.h b/src/i830_xf86Modes.h
index 5a26c0e4..262a45cb 100644
--- a/src/i830_xf86Modes.h
+++ b/src/i830_xf86Modes.h
@@ -75,5 +75,3 @@ i830xf86ValidateModesUserConfig(ScrnInfoPtr pScrn, DisplayModePtr modeList);
void
PrintModeline(int scrnIndex,DisplayModePtr mode);
-
-extern DisplayModeRec I830xf86DefaultModes[];
diff --git a/src/i830_xf86cvt.c b/src/i830_xf86cvt.c
new file mode 100644
index 00000000..b0f97273
--- /dev/null
+++ b/src/i830_xf86cvt.c
@@ -0,0 +1,297 @@
+/*
+ * 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.
+ */
+
+/**
+ * @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
+ * 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
+i830xf86CVTMode(int HDisplay, int VDisplay, float VRefresh, Bool Reduced,
+ Bool Interlaced)
+{
+ DisplayModeRec *Mode = xnfalloc(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 */
+
+ memset(Mode, 0, sizeof(DisplayModeRec));
+
+ /* 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;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-30 16:41:22 +0000