xf86-video-nv 2.1.5

1 files changed, 661 insertions, 0 deletions

diff --git a/driver/xf86-video-nv/compat/modes/xf86Modes.c b/driver/xf86-video-nv/compat/modes/xf86Modes.c
new file mode 100644
index 000000000..f49c2921c
--- /dev/null
+++ b/driver/xf86-video-nv/compat/modes/xf86Modes.c
@@ -0,0 +1,661 @@
+/*
+ * Copyright (c) 1997-2003 by The XFree86 Project, Inc.
+ *
+ * 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.
+ *
+ * Except as contained in this notice, the name of the copyright holder(s)
+ * and 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 copyright holder(s) and author(s).
+ */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#else
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#endif
+
+#include "xf86Modes.h"
+#include "xf86Priv.h"
+
+extern XF86ConfigPtr xf86configptr;
+
+/**
+ * @file this file contains symbols from xf86Mode.c and friends that are static
+ * there but we still want to use.  We need to come up with better API here.
+ */
+
+#if XORG_VERSION_CURRENT <= XORG_VERSION_NUMERIC(7,2,99,2,0)
+/**
+ * Calculates the horizontal sync rate of a mode.
+ *
+ * Exact copy of xf86Mode.c's.
+ */
+_X_EXPORT double
+xf86ModeHSync(DisplayModePtr mode)
+{
+    double hsync = 0.0;
+    
+    if (mode->HSync > 0.0)
+	    hsync = mode->HSync;
+    else if (mode->HTotal > 0)
+	    hsync = (float)mode->Clock / (float)mode->HTotal;
+
+    return hsync;
+}
+
+/**
+ * Calculates the vertical refresh rate of a mode.
+ *
+ * Exact copy of xf86Mode.c's.
+ */
+_X_EXPORT double
+xf86ModeVRefresh(DisplayModePtr mode)
+{
+    double refresh = 0.0;
+
+    if (mode->VRefresh > 0.0)
+	refresh = mode->VRefresh;
+    else if (mode->HTotal > 0 && mode->VTotal > 0) {
+	refresh = mode->Clock * 1000.0 / mode->HTotal / mode->VTotal;
+	if (mode->Flags & V_INTERLACE)
+	    refresh *= 2.0;
+	if (mode->Flags & V_DBLSCAN)
+	    refresh /= 2.0;
+	if (mode->VScan > 1)
+	    refresh /= (float)(mode->VScan);
+    }
+    return refresh;
+}
+
+_X_EXPORT int
+xf86ModeWidth (DisplayModePtr mode, Rotation rotation)
+{
+    switch (rotation & 0xf) {
+    case RR_Rotate_0:
+    case RR_Rotate_180:
+	return mode->HDisplay;
+    case RR_Rotate_90:
+    case RR_Rotate_270:
+	return mode->VDisplay;
+    default:
+	return 0;
+    }
+}
+
+_X_EXPORT int
+xf86ModeHeight (DisplayModePtr mode, Rotation rotation)
+{
+    switch (rotation & 0xf) {
+    case RR_Rotate_0:
+    case RR_Rotate_180:
+	return mode->VDisplay;
+    case RR_Rotate_90:
+    case RR_Rotate_270:
+	return mode->HDisplay;
+    default:
+	return 0;
+    }
+}
+
+/** Sets a default mode name of <width>x<height> on a mode. */
+_X_EXPORT void
+xf86SetModeDefaultName(DisplayModePtr mode)
+{
+    if (mode->name != NULL)
+	xfree(mode->name);
+
+    mode->name = XNFprintf("%dx%d", mode->HDisplay, mode->VDisplay);
+}
+
+/*
+ * xf86SetModeCrtc
+ *
+ * Initialises the Crtc parameters for a mode.  The initialisation includes
+ * adjustments for interlaced and double scan modes.
+ *
+ * Exact copy of xf86Mode.c's.
+ */
+_X_EXPORT void
+xf86SetModeCrtc(DisplayModePtr p, int adjustFlags)
+{
+    if ((p == NULL) || ((p->type & M_T_CRTC_C) == M_T_BUILTIN))
+	return;
+
+    p->CrtcHDisplay             = p->HDisplay;
+    p->CrtcHSyncStart           = p->HSyncStart;
+    p->CrtcHSyncEnd             = p->HSyncEnd;
+    p->CrtcHTotal               = p->HTotal;
+    p->CrtcHSkew                = p->HSkew;
+    p->CrtcVDisplay             = p->VDisplay;
+    p->CrtcVSyncStart           = p->VSyncStart;
+    p->CrtcVSyncEnd             = p->VSyncEnd;
+    p->CrtcVTotal               = p->VTotal;
+    if (p->Flags & V_INTERLACE) {
+	if (adjustFlags & INTERLACE_HALVE_V) {
+	    p->CrtcVDisplay         /= 2;
+	    p->CrtcVSyncStart       /= 2;
+	    p->CrtcVSyncEnd         /= 2;
+	    p->CrtcVTotal           /= 2;
+	}
+	/* Force interlaced modes to have an odd VTotal */
+	/* maybe we should only do this when INTERLACE_HALVE_V is set? */
+	p->CrtcVTotal |= 1;
+    }
+
+    if (p->Flags & V_DBLSCAN) {
+        p->CrtcVDisplay         *= 2;
+        p->CrtcVSyncStart       *= 2;
+        p->CrtcVSyncEnd         *= 2;
+        p->CrtcVTotal           *= 2;
+    }
+    if (p->VScan > 1) {
+        p->CrtcVDisplay         *= p->VScan;
+        p->CrtcVSyncStart       *= p->VScan;
+        p->CrtcVSyncEnd         *= p->VScan;
+        p->CrtcVTotal           *= p->VScan;
+    }
+    p->CrtcVBlankStart = min(p->CrtcVSyncStart, p->CrtcVDisplay);
+    p->CrtcVBlankEnd = max(p->CrtcVSyncEnd, p->CrtcVTotal);
+    p->CrtcHBlankStart = min(p->CrtcHSyncStart, p->CrtcHDisplay);
+    p->CrtcHBlankEnd = max(p->CrtcHSyncEnd, p->CrtcHTotal);
+
+    p->CrtcHAdjusted = FALSE;
+    p->CrtcVAdjusted = FALSE;
+}
+
+/**
+ * Allocates and returns a copy of pMode, including pointers within pMode.
+ */
+_X_EXPORT DisplayModePtr
+xf86DuplicateMode(DisplayModePtr pMode)
+{
+    DisplayModePtr pNew;
+
+    pNew = xnfalloc(sizeof(DisplayModeRec));
+    *pNew = *pMode;
+    pNew->next = NULL;
+    pNew->prev = NULL;
+    if (pNew->name == NULL) {
+	xf86SetModeDefaultName(pMode);
+    } else {
+	pNew->name = xnfstrdup(pMode->name);
+    }
+
+    return pNew;
+}
+
+/**
+ * Duplicates every mode in the given list and returns a pointer to the first
+ * mode.
+ *
+ * \param modeList doubly-linked mode list
+ */
+_X_EXPORT DisplayModePtr
+xf86DuplicateModes(ScrnInfoPtr pScrn, DisplayModePtr modeList)
+{
+    DisplayModePtr first = NULL, last = NULL;
+    DisplayModePtr mode;
+
+    for (mode = modeList; mode != NULL; mode = mode->next) {
+	DisplayModePtr new;
+
+	new = xf86DuplicateMode(mode);
+
+	/* Insert pNew into modeList */
+	if (last) {
+	    last->next = new;
+	    new->prev = last;
+	} else {
+	    first = new;
+	    new->prev = NULL;
+	}
+	new->next = NULL;
+	last = new;
+    }
+
+    return first;
+}
+
+/**
+ * Returns true if the given modes should program to the same timings.
+ *
+ * This doesn't use Crtc values, as it might be used on ModeRecs without the
+ * Crtc values set.  So, it's assumed that the other numbers are enough.
+ *
+ * This isn't in xf86Modes.c, but it might deserve to be there.
+ */
+_X_EXPORT Bool
+xf86ModesEqual(DisplayModePtr pMode1, DisplayModePtr pMode2)
+{
+     if (pMode1->Clock == pMode2->Clock &&
+	 pMode1->HDisplay == pMode2->HDisplay &&
+	 pMode1->HSyncStart == pMode2->HSyncStart &&
+	 pMode1->HSyncEnd == pMode2->HSyncEnd &&
+	 pMode1->HTotal == pMode2->HTotal &&
+	 pMode1->HSkew == pMode2->HSkew &&
+	 pMode1->VDisplay == pMode2->VDisplay &&
+	 pMode1->VSyncStart == pMode2->VSyncStart &&
+	 pMode1->VSyncEnd == pMode2->VSyncEnd &&
+	 pMode1->VTotal == pMode2->VTotal &&
+	 pMode1->VScan == pMode2->VScan &&
+	 pMode1->Flags == pMode2->Flags)
+     {
+	return TRUE;
+     } else {
+	return FALSE;
+     }
+}
+
+/* exact copy of xf86Mode.c */
+static void
+add(char **p, char *new)
+{
+    *p = xnfrealloc(*p, strlen(*p) + strlen(new) + 2);
+    strcat(*p, " ");
+    strcat(*p, new);
+}
+
+/**
+ * Print out a modeline.
+ *
+ * Convenient VRefresh printing was added, though, compared to xf86Mode.c
+ */
+_X_EXPORT void
+xf86PrintModeline(int scrnIndex,DisplayModePtr mode)
+{
+    char tmp[256];
+    char *flags = xnfcalloc(1, 1);
+
+    if (mode->HSkew) { 
+	snprintf(tmp, 256, "hskew %i", mode->HSkew); 
+	add(&flags, tmp);
+    }
+    if (mode->VScan) { 
+	snprintf(tmp, 256, "vscan %i", mode->VScan); 
+	add(&flags, tmp);
+    }
+    if (mode->Flags & V_INTERLACE) add(&flags, "interlace");
+    if (mode->Flags & V_CSYNC) add(&flags, "composite");
+    if (mode->Flags & V_DBLSCAN) add(&flags, "doublescan");
+    if (mode->Flags & V_BCAST) add(&flags, "bcast");
+    if (mode->Flags & V_PHSYNC) add(&flags, "+hsync");
+    if (mode->Flags & V_NHSYNC) add(&flags, "-hsync");
+    if (mode->Flags & V_PVSYNC) add(&flags, "+vsync");
+    if (mode->Flags & V_NVSYNC) add(&flags, "-vsync");
+    if (mode->Flags & V_PCSYNC) add(&flags, "+csync");
+    if (mode->Flags & V_NCSYNC) add(&flags, "-csync");
+#if 0
+    if (mode->Flags & V_CLKDIV2) add(&flags, "vclk/2");
+#endif
+    xf86DrvMsg(scrnIndex, X_INFO,
+		   "Modeline \"%s\"x%.01f  %6.2f  %i %i %i %i  %i %i %i %i%s "
+		   "(%.01f kHz)\n",
+		   mode->name, mode->VRefresh, mode->Clock/1000., mode->HDisplay,
+		   mode->HSyncStart, mode->HSyncEnd, mode->HTotal,
+		   mode->VDisplay, mode->VSyncStart, mode->VSyncEnd,
+		   mode->VTotal, flags, xf86ModeHSync(mode));
+    xfree(flags);
+}
+#endif /* XORG_VERSION_CURRENT <= 7.2.99.2 */
+
+/**
+ * Marks as bad any modes with unsupported flags.
+ *
+ * \param modeList doubly-linked or circular list of modes.
+ * \param flags flags supported by the driver.
+ *
+ * \bug only V_INTERLACE and V_DBLSCAN are supported.  Is that enough?
+ *
+ * This is not in xf86Modes.c, but would be part of the proposed new API.
+ */
+_X_EXPORT void
+xf86ValidateModesFlags(ScrnInfoPtr pScrn, DisplayModePtr modeList,
+			    int flags)
+{
+    DisplayModePtr mode;
+
+    for (mode = modeList; mode != NULL; mode = mode->next) {
+	if (mode->Flags & V_INTERLACE && !(flags & V_INTERLACE))
+	    mode->status = MODE_NO_INTERLACE;
+	if (mode->Flags & V_DBLSCAN && !(flags & V_DBLSCAN))
+	    mode->status = MODE_NO_DBLESCAN;
+    }
+}
+
+/**
+ * Marks as bad any modes extending beyond the given max X, Y, or pitch.
+ *
+ * \param modeList doubly-linked or circular list of modes.
+ *
+ * This is not in xf86Modes.c, but would be part of the proposed new API.
+ */
+_X_EXPORT void
+xf86ValidateModesSize(ScrnInfoPtr pScrn, DisplayModePtr modeList,
+			  int maxX, int maxY, int maxPitch)
+{
+    DisplayModePtr mode;
+
+    for (mode = modeList; mode != NULL; mode = mode->next) {
+	if (maxPitch > 0 && mode->HDisplay > maxPitch)
+	    mode->status = MODE_BAD_WIDTH;
+
+	if (maxX > 0 && mode->HDisplay > maxX)
+	    mode->status = MODE_VIRTUAL_X;
+
+	if (maxY > 0 && mode->VDisplay > maxY)
+	    mode->status = MODE_VIRTUAL_Y;
+
+	if (mode->next == modeList)
+	    break;
+    }
+}
+
+/**
+ * Marks as bad any modes that aren't supported by the given monitor's
+ * hsync and vrefresh ranges.
+ *
+ * \param modeList doubly-linked or circular list of modes.
+ *
+ * This is not in xf86Modes.c, but would be part of the proposed new API.
+ */
+_X_EXPORT void
+xf86ValidateModesSync(ScrnInfoPtr pScrn, DisplayModePtr modeList,
+			  MonPtr mon)
+{
+    DisplayModePtr mode;
+
+    for (mode = modeList; mode != NULL; mode = mode->next) {
+	Bool bad;
+	int i;
+
+	bad = TRUE;
+	for (i = 0; i < mon->nHsync; i++) {
+	    if (xf86ModeHSync(mode) >= mon->hsync[i].lo &&
+		xf86ModeHSync(mode) <= mon->hsync[i].hi)
+	    {
+		bad = FALSE;
+	    }
+	}
+	if (bad)
+	    mode->status = MODE_HSYNC;
+
+	bad = TRUE;
+	for (i = 0; i < mon->nVrefresh; i++) {
+	    if (xf86ModeVRefresh(mode) >= mon->vrefresh[i].lo &&
+		xf86ModeVRefresh(mode) <= mon->vrefresh[i].hi)
+	    {
+		bad = FALSE;
+	    }
+	}
+	if (bad)
+	    mode->status = MODE_VSYNC;
+
+	if (mode->next == modeList)
+	    break;
+    }
+}
+
+/**
+ * Marks as bad any modes extending beyond outside of the given clock ranges.
+ *
+ * \param modeList doubly-linked or circular list of modes.
+ * \param min pointer to minimums of clock ranges
+ * \param max pointer to maximums of clock ranges
+ * \param n_ranges number of ranges.
+ *
+ * This is not in xf86Modes.c, but would be part of the proposed new API.
+ */
+_X_EXPORT void
+xf86ValidateModesClocks(ScrnInfoPtr pScrn, DisplayModePtr modeList,
+			    int *min, int *max, int n_ranges)
+{
+    DisplayModePtr mode;
+    int i;
+
+    for (mode = modeList; mode != NULL; mode = mode->next) {
+	Bool good = FALSE;
+	for (i = 0; i < n_ranges; i++) {
+	    if (mode->Clock >= min[i] && mode->Clock <= max[i]) {
+		good = TRUE;
+		break;
+	    }
+	}
+	if (!good)
+	    mode->status = MODE_CLOCK_RANGE;
+    }
+}
+
+/**
+ * If the user has specified a set of mode names to use, mark as bad any modes
+ * not listed.
+ *
+ * The user mode names specified are prefixes to names of modes, so "1024x768"
+ * will match modes named "1024x768", "1024x768x75", "1024x768-good", but
+ * "1024x768x75" would only match "1024x768x75" from that list.
+ *
+ * MODE_BAD is used as the rejection flag, for lack of a better flag.
+ *
+ * \param modeList doubly-linked or circular list of modes.
+ *
+ * This is not in xf86Modes.c, but would be part of the proposed new API.
+ */
+_X_EXPORT void
+xf86ValidateModesUserConfig(ScrnInfoPtr pScrn, DisplayModePtr modeList)
+{
+    DisplayModePtr mode;
+
+    if (pScrn->display->modes[0] == NULL)
+	return;
+
+    for (mode = modeList; mode != NULL; mode = mode->next) {
+	int i;
+	Bool good = FALSE;
+
+	for (i = 0; pScrn->display->modes[i] != NULL; i++) {
+	    if (strncmp(pScrn->display->modes[i], mode->name,
+			strlen(pScrn->display->modes[i])) == 0) {
+		good = TRUE;
+		break;
+	    }
+	}
+	if (!good)
+	    mode->status = MODE_BAD;
+    }
+}
+
+
+/**
+ * Frees any modes from the list with a status other than MODE_OK.
+ *
+ * \param modeList pointer to a doubly-linked or circular list of modes.
+ * \param verbose determines whether the reason for mode invalidation is
+ *	  printed.
+ *
+ * This is not in xf86Modes.c, but would be part of the proposed new API.
+ */
+_X_EXPORT void
+xf86PruneInvalidModes(ScrnInfoPtr pScrn, DisplayModePtr *modeList,
+			  Bool verbose)
+{
+    DisplayModePtr mode;
+
+    for (mode = *modeList; mode != NULL;) {
+	DisplayModePtr next = mode->next, first = *modeList;
+
+	if (mode->status != MODE_OK) {
+	    if (verbose) {
+		char *type = "";
+		if (mode->type & M_T_BUILTIN)
+		    type = "built-in ";
+		else if (mode->type & M_T_DEFAULT)
+		    type = "default ";
+		xf86DrvMsg(pScrn->scrnIndex, X_INFO,
+			   "Not using %smode \"%s\" (%s)\n", type, mode->name,
+			   xf86ModeStatusToString(mode->status));
+	    }
+	    xf86DeleteMode(modeList, mode);
+	}
+
+	if (next == first)
+	    break;
+	mode = next;
+    }
+}
+
+/**
+ * Adds the new mode into the mode list, and returns the new list
+ *
+ * \param modes doubly-linked mode list.
+ */
+_X_EXPORT DisplayModePtr
+xf86ModesAdd(DisplayModePtr modes, DisplayModePtr new)
+{
+    if (modes == NULL)
+	return new;
+
+    if (new) {
+	DisplayModePtr mode = modes;
+
+	while (mode->next)
+	    mode = mode->next;
+
+	mode->next = new;
+	new->prev = mode;
+    }
+
+    return modes;
+}
+
+/**
+ * Build a mode list from a list of config file modes
+ */
+static DisplayModePtr
+xf86GetConfigModes (XF86ConfModeLinePtr conf_mode)
+{
+    DisplayModePtr  head = NULL, prev = NULL, mode;
+    
+    for (; conf_mode; conf_mode = (XF86ConfModeLinePtr) conf_mode->list.next)
+    {
+        mode = xcalloc(1, sizeof(DisplayModeRec));
+	if (!mode)
+	    continue;
+        mode->name       = xstrdup(conf_mode->ml_identifier);
+	if (!mode->name)
+	{
+	    xfree (mode);
+	    continue;
+	}
+	mode->type       = 0;
+        mode->Clock      = conf_mode->ml_clock;
+        mode->HDisplay   = conf_mode->ml_hdisplay;
+        mode->HSyncStart = conf_mode->ml_hsyncstart;
+        mode->HSyncEnd   = conf_mode->ml_hsyncend;
+        mode->HTotal     = conf_mode->ml_htotal;
+        mode->VDisplay   = conf_mode->ml_vdisplay;
+        mode->VSyncStart = conf_mode->ml_vsyncstart;
+        mode->VSyncEnd   = conf_mode->ml_vsyncend;
+        mode->VTotal     = conf_mode->ml_vtotal;
+        mode->Flags      = conf_mode->ml_flags;
+        mode->HSkew      = conf_mode->ml_hskew;
+        mode->VScan      = conf_mode->ml_vscan;
+
+        mode->prev = prev;
+	mode->next = NULL;
+	if (prev)
+	    prev->next = mode;
+	else
+	    head = mode;
+	prev = mode;
+    }
+    return head;
+}
+
+/**
+ * Build a mode list from a monitor configuration
+ */
+_X_EXPORT DisplayModePtr
+xf86GetMonitorModes (ScrnInfoPtr pScrn, XF86ConfMonitorPtr conf_monitor)
+{
+    DisplayModePtr	    modes = NULL;
+    XF86ConfModesLinkPtr    modes_link;
+    
+    if (!conf_monitor)
+	return NULL;
+
+    /*
+     * first we collect the mode lines from the UseModes directive
+     */
+    for (modes_link = conf_monitor->mon_modes_sect_lst; 
+	 modes_link; 
+	 modes_link = modes_link->list.next)
+    {
+	/* If this modes link hasn't been resolved, go look it up now */
+	if (!modes_link->ml_modes)
+	    modes_link->ml_modes = xf86findModes (modes_link->ml_modes_str, 
+						  xf86configptr->conf_modes_lst);
+	if (modes_link->ml_modes)
+	    modes = xf86ModesAdd (modes,
+				  xf86GetConfigModes (modes_link->ml_modes->mon_modeline_lst));
+    }
+
+    return xf86ModesAdd (modes,
+			 xf86GetConfigModes (conf_monitor->mon_modeline_lst));
+}
+
+/**
+ * Build a mode list containing all of the default modes
+ */
+_X_EXPORT DisplayModePtr
+xf86GetDefaultModes (Bool interlaceAllowed, Bool doubleScanAllowed)
+{
+    DisplayModePtr  head = NULL, prev = NULL, mode;
+    int		    i;
+
+    for (i = 0; xf86DefaultModes[i].name != NULL; i++)
+    {
+	DisplayModePtr	defMode = &xf86DefaultModes[i];
+	
+	if (!interlaceAllowed && (defMode->Flags & V_INTERLACE))
+	    continue;
+	if (!doubleScanAllowed && (defMode->Flags & V_DBLSCAN))
+	    continue;
+
+	mode = xalloc(sizeof(DisplayModeRec));
+	if (!mode)
+	    continue;
+        memcpy(mode,&xf86DefaultModes[i],sizeof(DisplayModeRec));
+        mode->name = xstrdup(xf86DefaultModes[i].name);
+        if (!mode->name)
+	{
+	    xfree (mode);
+	    continue;
+	}
+        mode->prev = prev;
+	mode->next = NULL;
+	if (prev)
+	    prev->next = mode;
+	else
+	    head = mode;
+	prev = mode;
+    }
+    return head;
+}