diff options
Diffstat (limited to 'hw/xfree86/common/xf86VidMode.c')
| -rw-r--r-- | hw/xfree86/common/xf86VidMode.c | 683 |
1 files changed, 683 insertions, 0 deletions
diff --git a/hw/xfree86/common/xf86VidMode.c b/hw/xfree86/common/xf86VidMode.c new file mode 100644 index 000000000..f766f899e --- /dev/null +++ b/hw/xfree86/common/xf86VidMode.c @@ -0,0 +1,683 @@ +/* + * Copyright (c) 1999 by The XFree86 Project, Inc. + */ +/* $XFree86: xc/programs/Xserver/hw/xfree86/common/xf86VidMode.c,v 1.14 2003/01/28 20:52:28 tsi Exp $ */ + +/* + * This file contains the VidMode functions required by the extension. + * These have been added to avoid the need for the higher level extension + * code to access the private XFree86 data structures directly. Wherever + * possible this code uses the functions in xf86Mode.c to do the work, + * so that two version of code that do similar things don't have to be + * maintained. + */ + +#include "X.h" +#include "os.h" +#include "xf86.h" +#include "xf86Priv.h" + +#ifdef XF86VIDMODE +#include "vidmodeproc.h" +#include "xf86cmap.h" + +static int VidModeGeneration = 0; +static int VidModeIndex = -1; +static int VidModeCount = 0; +static Bool VidModeClose(int i, ScreenPtr pScreen); + +#define VMPTR(p) ((VidModePtr)(p)->devPrivates[VidModeIndex].ptr) + +#endif + +#ifdef DEBUG +# define DEBUG_P(x) ErrorF(x"\n"); +#else +# define DEBUG_P(x) /**/ +#endif + +Bool +VidModeExtensionInit(ScreenPtr pScreen) +{ +#ifdef XF86VIDMODE + VidModePtr pVidMode; + + DEBUG_P("VidModeExtensionInit"); + + if (!xf86GetVidModeEnabled()) { + DEBUG_P("!xf86GetVidModeEnabled()"); + return FALSE; + } + + if (serverGeneration != VidModeGeneration) { + if ((VidModeIndex = AllocateScreenPrivateIndex()) < 0) { + DEBUG_P("AllocateScreenPrivateIndex() failed"); + return FALSE; + } + VidModeGeneration = serverGeneration; + } + + if (!(pScreen->devPrivates[VidModeIndex].ptr = xcalloc(sizeof(VidModeRec), 1))) { + DEBUG_P("xcalloc failed"); + return FALSE; + } + + pVidMode = VMPTR(pScreen); + pVidMode->Flags = 0; + pVidMode->Next = NULL; + pVidMode->CloseScreen = pScreen->CloseScreen; + pScreen->CloseScreen = VidModeClose; + VidModeCount++; + return TRUE; +#else + DEBUG_P("no vidmode extension"); + return FALSE; +#endif +} + + +#ifdef XF86VIDMODE + +static Bool +VidModeClose(int i, ScreenPtr pScreen) +{ + VidModePtr pVidMode = VMPTR(pScreen); + + DEBUG_P("VidModeClose"); + + /* This shouldn't happen */ + if (!pVidMode) + return FALSE; + + pScreen->CloseScreen = pVidMode->CloseScreen; + + if (--VidModeCount == 0) { + if (pScreen->devPrivates[VidModeIndex].ptr) + xfree(pScreen->devPrivates[VidModeIndex].ptr); + pScreen->devPrivates[VidModeIndex].ptr = NULL; + VidModeIndex = -1; + } + return pScreen->CloseScreen(i, pScreen); +} + +Bool +VidModeAvailable(int scrnIndex) +{ + ScrnInfoPtr pScrn; + VidModePtr pVidMode; + + DEBUG_P("VidModeAvailable"); + + if (VidModeIndex < 0) { + DEBUG_P("VidModeIndex < 0"); + return FALSE; + } + + pScrn = xf86Screens[scrnIndex]; + if (pScrn == NULL) { + DEBUG_P("pScrn == NULL"); + return FALSE; + } + + pVidMode = VMPTR(pScrn->pScreen); + if (pVidMode) + return TRUE; + else { + DEBUG_P("pVidMode == NULL"); + return FALSE; + } +} + +Bool +VidModeGetCurrentModeline(int scrnIndex, pointer *mode, int *dotClock) +{ + ScrnInfoPtr pScrn; + + DEBUG_P("VidModeGetCurrentModeline"); + + if (!VidModeAvailable(scrnIndex)) + return FALSE; + + pScrn = xf86Screens[scrnIndex]; + *mode = (pointer)(pScrn->currentMode); + *dotClock = pScrn->currentMode->Clock; + + return TRUE; +} + +int +VidModeGetDotClock(int scrnIndex, int Clock) +{ + ScrnInfoPtr pScrn; + + DEBUG_P("VidModeGetDotClock"); + + if (!VidModeAvailable(scrnIndex)) + return 0; + + pScrn = xf86Screens[scrnIndex]; + if ((pScrn->progClock) || (Clock > MAXCLOCKS)) + return Clock; + else + return pScrn->clock[Clock]; +} + +int +VidModeGetNumOfClocks(int scrnIndex, Bool *progClock) +{ + ScrnInfoPtr pScrn; + + DEBUG_P("VidModeGetNumOfClocks"); + + if (!VidModeAvailable(scrnIndex)) + return 0; + + pScrn = xf86Screens[scrnIndex]; + if (pScrn->progClock){ + *progClock = TRUE; + return 0; + } else { + *progClock = FALSE; + return pScrn->numClocks; + } +} + +Bool +VidModeGetClocks(int scrnIndex, int *Clocks) +{ + ScrnInfoPtr pScrn; + int i; + + DEBUG_P("VidModeGetClocks"); + + if (!VidModeAvailable(scrnIndex)) + return FALSE; + + pScrn = xf86Screens[scrnIndex]; + + if (pScrn->progClock) + return FALSE; + + for (i = 0; i < pScrn->numClocks; i++) + *Clocks++ = pScrn->clock[i]; + + return TRUE; +} + + +Bool +VidModeGetFirstModeline(int scrnIndex, pointer *mode, int *dotClock) +{ + ScrnInfoPtr pScrn; + VidModePtr pVidMode; + + DEBUG_P("VidModeGetFirstModeline"); + + if (!VidModeAvailable(scrnIndex)) + return FALSE; + + pScrn = xf86Screens[scrnIndex]; + pVidMode = VMPTR(pScrn->pScreen); + pVidMode->First = pScrn->modes; + pVidMode->Next = pVidMode->First->next; + + if (pVidMode->First->status == MODE_OK) { + *mode = (pointer)(pVidMode->First); + *dotClock = VidModeGetDotClock(scrnIndex, pVidMode->First->Clock); + return TRUE; + } + + return VidModeGetNextModeline(scrnIndex, mode, dotClock); +} + +Bool +VidModeGetNextModeline(int scrnIndex, pointer *mode, int *dotClock) +{ + ScrnInfoPtr pScrn; + VidModePtr pVidMode; + DisplayModePtr p; + + DEBUG_P("VidModeGetNextModeline"); + + if (!VidModeAvailable(scrnIndex)) + return FALSE; + + pScrn = xf86Screens[scrnIndex]; + pVidMode = VMPTR(pScrn->pScreen); + + for (p = pVidMode->Next; p != NULL && p != pVidMode->First; p = p->next) { + if (p->status == MODE_OK) { + pVidMode->Next = p->next; + *mode = (pointer)p; + *dotClock = VidModeGetDotClock(scrnIndex, p->Clock); + return TRUE; + } + } + + return FALSE; +} + +Bool +VidModeDeleteModeline(int scrnIndex, pointer mode) +{ + ScrnInfoPtr pScrn; + + DEBUG_P("VidModeDeleteModeline"); + + if ((mode == NULL) || (!VidModeAvailable(scrnIndex))) + return FALSE; + + pScrn = xf86Screens[scrnIndex]; + xf86DeleteMode(&(pScrn->modes), (DisplayModePtr)mode); + return TRUE; +} + +Bool +VidModeZoomViewport(int scrnIndex, int zoom) +{ + ScrnInfoPtr pScrn; + + DEBUG_P("VidModeZoomViewPort"); + + if (!VidModeAvailable(scrnIndex)) + return FALSE; + + pScrn = xf86Screens[scrnIndex]; + xf86ZoomViewport(pScrn->pScreen, zoom); + return TRUE; +} + +Bool +VidModeSetViewPort(int scrnIndex, int x, int y) +{ + ScrnInfoPtr pScrn; + + DEBUG_P("VidModeSetViewPort"); + + if (!VidModeAvailable(scrnIndex)) + return FALSE; + + pScrn = xf86Screens[scrnIndex]; + pScrn->frameX0 = min( max(x, 0), + pScrn->virtualX - pScrn->currentMode->HDisplay ); + pScrn->frameX1 = pScrn->frameX0 + pScrn->currentMode->HDisplay - 1; + pScrn->frameY0 = min( max(y, 0), + pScrn->virtualY - pScrn->currentMode->VDisplay ); + pScrn->frameY1 = pScrn->frameY0 + pScrn->currentMode->VDisplay - 1; + if (pScrn->AdjustFrame != NULL) + (pScrn->AdjustFrame)(scrnIndex, pScrn->frameX0, pScrn->frameY0, 0); + + return TRUE; +} + +Bool +VidModeGetViewPort(int scrnIndex, int *x, int *y) +{ + ScrnInfoPtr pScrn; + + DEBUG_P("VidModeGetViewPort"); + + if (!VidModeAvailable(scrnIndex)) + return FALSE; + + pScrn = xf86Screens[scrnIndex]; + *x = pScrn->frameX0; + *y = pScrn->frameY0; + return TRUE; +} + +Bool +VidModeSwitchMode(int scrnIndex, pointer mode) +{ + ScrnInfoPtr pScrn; + + DEBUG_P("VidModeSwitchMode"); + + if (!VidModeAvailable(scrnIndex)) + return FALSE; + + pScrn = xf86Screens[scrnIndex]; + /* Force a mode switch */ + pScrn->currentMode = NULL; + return xf86SwitchMode(pScrn->pScreen, mode); +} + +Bool +VidModeLockZoom(int scrnIndex, Bool lock) +{ + ScrnInfoPtr pScrn; + + DEBUG_P("VidModeLockZoom"); + + if (!VidModeAvailable(scrnIndex)) + return FALSE; + + pScrn = xf86Screens[scrnIndex]; + + if (xf86Info.dontZoom) + return FALSE; + + xf86LockZoom(pScrn->pScreen, lock); + return TRUE; +} + +Bool +VidModeGetMonitor(int scrnIndex, pointer *monitor) +{ + ScrnInfoPtr pScrn; + + DEBUG_P("VidModeGetMonitor"); + + if (!VidModeAvailable(scrnIndex)) + return FALSE; + + pScrn = xf86Screens[scrnIndex]; + *monitor = (pointer)(pScrn->monitor); + + return TRUE; +} + +ModeStatus +VidModeCheckModeForMonitor(int scrnIndex, pointer mode) +{ + ScrnInfoPtr pScrn; + + DEBUG_P("VidModeCheckModeForMonitor"); + + if ((mode == NULL) || (!VidModeAvailable(scrnIndex))) + return MODE_ERROR; + + pScrn = xf86Screens[scrnIndex]; + + return xf86CheckModeForMonitor((DisplayModePtr)mode, pScrn->monitor); +} + +ModeStatus +VidModeCheckModeForDriver(int scrnIndex, pointer mode) +{ + ScrnInfoPtr pScrn; + + DEBUG_P("VidModeCheckModeForDriver"); + + if ((mode == NULL) || (!VidModeAvailable(scrnIndex))) + return MODE_ERROR; + + pScrn = xf86Screens[scrnIndex]; + + return xf86CheckModeForDriver(pScrn, (DisplayModePtr)mode, 0); +} + +void +VidModeSetCrtcForMode(int scrnIndex, pointer mode) +{ + ScrnInfoPtr pScrn; + DisplayModePtr ScreenModes; + + DEBUG_P("VidModeSetCrtcForMode"); + + if ((mode == NULL) || (!VidModeAvailable(scrnIndex))) + return; + + /* Ugly hack so that the xf86Mode.c function can be used without change */ + pScrn = xf86Screens[scrnIndex]; + ScreenModes = pScrn->modes; + pScrn->modes = (DisplayModePtr)mode; + + xf86SetCrtcForModes(pScrn, pScrn->adjustFlags); + pScrn->modes = ScreenModes; + return; +} + +Bool +VidModeAddModeline(int scrnIndex, pointer mode) +{ + ScrnInfoPtr pScrn; + + DEBUG_P("VidModeAddModeline"); + + if ((mode == NULL) || (!VidModeAvailable(scrnIndex))) + return FALSE; + + pScrn = xf86Screens[scrnIndex]; + + ((DisplayModePtr)mode)->next = pScrn->modes->next; + ((DisplayModePtr)mode)->prev = pScrn->modes; + pScrn->modes->next = (DisplayModePtr)mode; + ((DisplayModePtr)mode)->next->prev = (DisplayModePtr)mode; + + return TRUE; +} + +int +VidModeGetNumOfModes(int scrnIndex) +{ + pointer mode = NULL; + int dotClock= 0, nummodes = 0; + + DEBUG_P("VidModeGetNumOfModes"); + + if (!VidModeGetFirstModeline(scrnIndex, &mode, &dotClock)) + return nummodes; + + do { + nummodes++; + if (!VidModeGetNextModeline(scrnIndex, &mode, &dotClock)) + return nummodes; + } while (TRUE); +} + +Bool +VidModeSetGamma(int scrnIndex, float red, float green, float blue) +{ + ScrnInfoPtr pScrn; + Gamma gamma; + + DEBUG_P("VidModeSetGamma"); + + if (!VidModeAvailable(scrnIndex)) + return FALSE; + + pScrn = xf86Screens[scrnIndex]; + gamma.red = red; + gamma.green = green; + gamma.blue = blue; + if (xf86ChangeGamma(pScrn->pScreen, gamma) != Success) + return FALSE; + else + return TRUE; +} + +Bool +VidModeGetGamma(int scrnIndex, float *red, float *green, float *blue) +{ + ScrnInfoPtr pScrn; + + DEBUG_P("VidModeGetGamma"); + + if (!VidModeAvailable(scrnIndex)) + return FALSE; + + pScrn = xf86Screens[scrnIndex]; + *red = pScrn->gamma.red; + *green = pScrn->gamma.green; + *blue = pScrn->gamma.blue; + return TRUE; +} + +Bool +VidModeSetGammaRamp(int scrnIndex, int size, CARD16 *r, CARD16 *g, CARD16 *b) +{ + ScrnInfoPtr pScrn; + + if (!VidModeAvailable(scrnIndex)) + return FALSE; + + pScrn = xf86Screens[scrnIndex]; + xf86ChangeGammaRamp(pScrn->pScreen, size, r, g, b); + return TRUE; +} + +Bool +VidModeGetGammaRamp(int scrnIndex, int size, CARD16 *r, CARD16 *g, CARD16 *b) +{ + ScrnInfoPtr pScrn; + + if (!VidModeAvailable(scrnIndex)) + return FALSE; + + pScrn = xf86Screens[scrnIndex]; + xf86GetGammaRamp(pScrn->pScreen, size, r, g, b); + return TRUE; +} + +int +VidModeGetGammaRampSize(int scrnIndex) +{ + if (!VidModeAvailable(scrnIndex)) + return 0; + + return xf86GetGammaRampSize(xf86Screens[scrnIndex]->pScreen); +} + +pointer +VidModeCreateMode(void) +{ + DisplayModePtr mode; + + mode = xalloc(sizeof(DisplayModeRec)); + if (mode != NULL) { + mode->name = ""; + mode->Private = NULL; + mode->next = mode; + mode->prev = mode; + } + return mode; +} + +void +VidModeCopyMode(pointer modefrom, pointer modeto) +{ + memcpy(modeto, modefrom, sizeof(DisplayModeRec)); +} + + +int +VidModeGetModeValue(pointer mode, int valtyp) +{ + int ret = 0; + + switch (valtyp) { + case VIDMODE_H_DISPLAY: + ret = ((DisplayModePtr) mode)->HDisplay; + break; + case VIDMODE_H_SYNCSTART: + ret = ((DisplayModePtr)mode)->HSyncStart; + break; + case VIDMODE_H_SYNCEND: + ret = ((DisplayModePtr)mode)->HSyncEnd; + break; + case VIDMODE_H_TOTAL: + ret = ((DisplayModePtr)mode)->HTotal; + break; + case VIDMODE_H_SKEW: + ret = ((DisplayModePtr)mode)->HSkew; + break; + case VIDMODE_V_DISPLAY: + ret = ((DisplayModePtr)mode)->VDisplay; + break; + case VIDMODE_V_SYNCSTART: + ret = ((DisplayModePtr)mode)->VSyncStart; + break; + case VIDMODE_V_SYNCEND: + ret = ((DisplayModePtr)mode)->VSyncEnd; + break; + case VIDMODE_V_TOTAL: + ret = ((DisplayModePtr)mode)->VTotal; + break; + case VIDMODE_FLAGS: + ret = ((DisplayModePtr)mode)->Flags; + break; + case VIDMODE_CLOCK: + ret = ((DisplayModePtr)mode)->Clock; + break; + } + return ret; +} + +void +VidModeSetModeValue(pointer mode, int valtyp, int val) +{ + switch (valtyp) { + case VIDMODE_H_DISPLAY: + ((DisplayModePtr)mode)->HDisplay = val; + break; + case VIDMODE_H_SYNCSTART: + ((DisplayModePtr)mode)->HSyncStart = val; + break; + case VIDMODE_H_SYNCEND: + ((DisplayModePtr)mode)->HSyncEnd = val; + break; + case VIDMODE_H_TOTAL: + ((DisplayModePtr)mode)->HTotal = val; + break; + case VIDMODE_H_SKEW: + ((DisplayModePtr)mode)->HSkew = val; + break; + case VIDMODE_V_DISPLAY: + ((DisplayModePtr)mode)->VDisplay = val; + break; + case VIDMODE_V_SYNCSTART: + ((DisplayModePtr)mode)->VSyncStart = val; + break; + case VIDMODE_V_SYNCEND: + ((DisplayModePtr)mode)->VSyncEnd = val; + break; + case VIDMODE_V_TOTAL: + ((DisplayModePtr)mode)->VTotal = val; + break; + case VIDMODE_FLAGS: + ((DisplayModePtr)mode)->Flags = val; + break; + case VIDMODE_CLOCK: + ((DisplayModePtr)mode)->Clock = val; + break; + } + return; +} + +vidMonitorValue +VidModeGetMonitorValue(pointer monitor, int valtyp, int indx) +{ + vidMonitorValue ret; + + switch (valtyp) { + case VIDMODE_MON_VENDOR: + ret.ptr = (((MonPtr)monitor)->vendor); + break; + case VIDMODE_MON_MODEL: + ret.ptr = (((MonPtr)monitor)->model); + break; + case VIDMODE_MON_NHSYNC: + ret.i = ((MonPtr)monitor)->nHsync; + break; + case VIDMODE_MON_NVREFRESH: + ret.i = ((MonPtr)monitor)->nVrefresh; + break; + case VIDMODE_MON_HSYNC_LO: + ret.f = (100.0 * ((MonPtr)monitor)->hsync[indx].lo); + break; + case VIDMODE_MON_HSYNC_HI: + ret.f = (100.0 * ((MonPtr)monitor)->hsync[indx].hi); + break; + case VIDMODE_MON_VREFRESH_LO: + ret.f = (100.0 * ((MonPtr)monitor)->vrefresh[indx].lo); + break; + case VIDMODE_MON_VREFRESH_HI: + ret.f = (100.0 * ((MonPtr)monitor)->vrefresh[indx].hi); + break; + } + return ret; +} + + +#endif /* XF86VIDMODE */ |