diff options
Diffstat (limited to 'xorg-server/hw/xfree86/vbe')
-rw-r--r-- | xorg-server/hw/xfree86/vbe/vbe.c | 2290 | ||||
-rw-r--r-- | xorg-server/hw/xfree86/vbe/vbe.h | 682 | ||||
-rw-r--r-- | xorg-server/hw/xfree86/vbe/vbeModes.c | 902 |
3 files changed, 1937 insertions, 1937 deletions
diff --git a/xorg-server/hw/xfree86/vbe/vbe.c b/xorg-server/hw/xfree86/vbe/vbe.c index 26f5911d5..bb88b86cf 100644 --- a/xorg-server/hw/xfree86/vbe/vbe.c +++ b/xorg-server/hw/xfree86/vbe/vbe.c @@ -1,1145 +1,1145 @@ - -/* - * XFree86 vbe module - * Copyright 2000 Egbert Eich - * - * The mode query/save/set/restore functions from the vesa driver - * have been moved here. - * Copyright (c) 2000 by Conectiva S.A. (http://www.conectiva.com) - * Authors: Paulo César Pereira de Andrade <pcpa@conectiva.com.br> - */ - -#ifdef HAVE_XORG_CONFIG_H -#include <xorg-config.h> -#endif - -#include <string.h> - -#include "xf86.h" -#include "vbe.h" -#include <X11/Xarch.h> -#include <X11/extensions/dpmsconst.h> - -#define VERSION(x) VBE_VERSION_MAJOR(x),VBE_VERSION_MINOR(x) - -#if X_BYTE_ORDER == X_LITTLE_ENDIAN -#define B_O16(x) (x) -#define B_O32(x) (x) -#else -#define B_O16(x) ((((x) & 0xff) << 8) | (((x) & 0xff) >> 8)) -#define B_O32(x) ((((x) & 0xff) << 24) | (((x) & 0xff00) << 8) \ - | (((x) & 0xff0000) >> 8) | (((x) & 0xff000000) >> 24)) -#endif -#define L_ADD(x) (B_O32(x) & 0xffff) + ((B_O32(x) >> 12) & 0xffff00) - -#define FARP(p) (((unsigned)(p & 0xffff0000) >> 12) | (p & 0xffff)) -#define R16(v) ((v) & 0xffff) - -static unsigned char * vbeReadEDID(vbeInfoPtr pVbe); -static Bool vbeProbeDDC(vbeInfoPtr pVbe); - -static const char vbeVersionString[] = "VBE2"; - -vbeInfoPtr -VBEInit(xf86Int10InfoPtr pInt, int entityIndex) -{ - return VBEExtendedInit(pInt, entityIndex, 0); -} - -vbeInfoPtr -VBEExtendedInit(xf86Int10InfoPtr pInt, int entityIndex, int Flags) -{ - int RealOff; - pointer page = NULL; - ScrnInfoPtr pScrn = xf86FindScreenForEntity(entityIndex); - vbeControllerInfoPtr vbe = NULL; - Bool init_int10 = FALSE; - vbeInfoPtr vip = NULL; - int screen; - - if (!pScrn) return NULL; - screen = pScrn->scrnIndex; - - if (!pInt) { - if (!xf86LoadSubModule(pScrn, "int10")) - goto error; - - xf86DrvMsg(screen,X_INFO,"initializing int10\n"); - pInt = xf86ExtendedInitInt10(entityIndex,Flags); - if (!pInt) - goto error; - init_int10 = TRUE; - } - - page = xf86Int10AllocPages(pInt,1,&RealOff); - if (!page) goto error; - vbe = (vbeControllerInfoPtr) page; - memcpy(vbe->VbeSignature,vbeVersionString,4); - - pInt->ax = 0x4F00; - pInt->es = SEG_ADDR(RealOff); - pInt->di = SEG_OFF(RealOff); - pInt->num = 0x10; - - xf86ExecX86int10(pInt); - - if ((pInt->ax & 0xff) != 0x4f) { - xf86DrvMsgVerb(screen,X_INFO,3,"VESA BIOS not detected\n"); - goto error; - } - - switch (pInt->ax & 0xff00) { - case 0: - xf86DrvMsg(screen,X_INFO,"VESA BIOS detected\n"); - break; - case 0x100: - xf86DrvMsg(screen,X_INFO,"VESA BIOS function failed\n"); - goto error; - case 0x200: - xf86DrvMsg(screen,X_INFO,"VESA BIOS not supported\n"); - goto error; - case 0x300: - xf86DrvMsg(screen,X_INFO,"VESA BIOS not supported in current mode\n"); - goto error; - default: - xf86DrvMsg(screen,X_INFO,"Invalid\n"); - goto error; - } - - xf86DrvMsgVerb(screen, X_INFO, 4, - "VbeVersion is %d, OemStringPtr is 0x%08lx,\n" - "\tOemVendorNamePtr is 0x%08lx, OemProductNamePtr is 0x%08lx,\n" - "\tOemProductRevPtr is 0x%08lx\n", - vbe->VbeVersion, (unsigned long)vbe->OemStringPtr, - (unsigned long)vbe->OemVendorNamePtr, - (unsigned long)vbe->OemProductNamePtr, - (unsigned long)vbe->OemProductRevPtr); - - xf86DrvMsgVerb(screen,X_INFO,3,"VESA VBE Version %i.%i\n", - VERSION(vbe->VbeVersion)); - xf86DrvMsgVerb(screen,X_INFO,3,"VESA VBE Total Mem: %i kB\n", - vbe->TotalMem * 64); - xf86DrvMsgVerb(screen,X_INFO,3,"VESA VBE OEM: %s\n", - (CARD8*)xf86int10Addr(pInt,L_ADD(vbe->OemStringPtr))); - - if (B_O16(vbe->VbeVersion) >= 0x200) { - xf86DrvMsgVerb(screen,X_INFO,3,"VESA VBE OEM Software Rev: %i.%i\n", - VERSION(vbe->OemSoftwareRev)); - if (vbe->OemVendorNamePtr) - xf86DrvMsgVerb(screen,X_INFO,3,"VESA VBE OEM Vendor: %s\n", - (CARD8*)xf86int10Addr(pInt,L_ADD(vbe->OemVendorNamePtr))); - if (vbe->OemProductNamePtr) - xf86DrvMsgVerb(screen,X_INFO,3,"VESA VBE OEM Product: %s\n", - (CARD8*)xf86int10Addr(pInt,L_ADD(vbe->OemProductNamePtr))); - if (vbe->OemProductRevPtr) - xf86DrvMsgVerb(screen,X_INFO,3,"VESA VBE OEM Product Rev: %s\n", - (CARD8*)xf86int10Addr(pInt,L_ADD(vbe->OemProductRevPtr))); - } - vip = (vbeInfoPtr)xnfalloc(sizeof(vbeInfoRec)); - vip->version = B_O16(vbe->VbeVersion); - vip->pInt10 = pInt; - vip->ddc = DDC_UNCHECKED; - vip->memory = page; - vip->real_mode_base = RealOff; - vip->num_pages = 1; - vip->init_int10 = init_int10; - - return vip; - - error: - if (page) - xf86Int10FreePages(pInt, page, 1); - if (init_int10) - xf86FreeInt10(pInt); - return NULL; -} - -void -vbeFree(vbeInfoPtr pVbe) -{ - if (!pVbe) - return; - - xf86Int10FreePages(pVbe->pInt10,pVbe->memory,pVbe->num_pages); - /* If we have initalized int10 we ought to free it, too */ - if (pVbe->init_int10) - xf86FreeInt10(pVbe->pInt10); - xfree(pVbe); - return; -} - -static Bool -vbeProbeDDC(vbeInfoPtr pVbe) -{ - char *ddc_level; - int screen = pVbe->pInt10->scrnIndex; - - if (pVbe->ddc == DDC_NONE) - return FALSE; - if (pVbe->ddc != DDC_UNCHECKED) - return TRUE; - - pVbe->pInt10->ax = 0x4F15; - pVbe->pInt10->bx = 0; - pVbe->pInt10->cx = 0; - pVbe->pInt10->es = 0; - pVbe->pInt10->di = 0; - pVbe->pInt10->num = 0x10; - - xf86ExecX86int10(pVbe->pInt10); - - if ((pVbe->pInt10->ax & 0xff) != 0x4f) { - xf86DrvMsgVerb(screen,X_INFO,3,"VESA VBE DDC not supported\n"); - pVbe->ddc = DDC_NONE; - return FALSE; - } - - switch ((pVbe->pInt10->ax >> 8) & 0xff) { - case 0: - xf86DrvMsg(screen,X_INFO,"VESA VBE DDC supported\n"); - switch (pVbe->pInt10->bx & 0x3) { - case 0: - ddc_level = " none"; - pVbe->ddc = DDC_NONE; - break; - case 1: - ddc_level = " 1"; - pVbe->ddc = DDC_1; - break; - case 2: - ddc_level = " 2"; - pVbe->ddc = DDC_2; - break; - case 3: - ddc_level = " 1 + 2"; - pVbe->ddc = DDC_1_2; - break; - default: - ddc_level = ""; - pVbe->ddc = DDC_NONE; - break; - } - xf86DrvMsgVerb(screen,X_INFO,3,"VESA VBE DDC Level%s\n",ddc_level); - if (pVbe->pInt10->bx & 0x4) { - xf86DrvMsgVerb(screen,X_INFO,3,"VESA VBE DDC Screen blanked" - "for data transfer\n"); - pVbe->ddc_blank = TRUE; - } else - pVbe->ddc_blank = FALSE; - - xf86DrvMsgVerb(screen,X_INFO,3, - "VESA VBE DDC transfer in appr. %x sec.\n", - (pVbe->pInt10->bx >> 8) & 0xff); - } - - return TRUE; -} - -typedef enum { - VBEOPT_NOVBE, - VBEOPT_NODDC -} VBEOpts; - -static const OptionInfoRec VBEOptions[] = { - { VBEOPT_NOVBE, "NoVBE", OPTV_BOOLEAN, {0}, FALSE }, - { VBEOPT_NODDC, "NoDDC", OPTV_BOOLEAN, {0}, FALSE }, - { -1, NULL, OPTV_NONE, {0}, FALSE }, -}; - -static unsigned char * -vbeReadEDID(vbeInfoPtr pVbe) -{ - int RealOff = pVbe->real_mode_base; - pointer page = pVbe->memory; - unsigned char *tmp = NULL; - Bool novbe = FALSE; - Bool noddc = FALSE; - int screen = pVbe->pInt10->scrnIndex; - OptionInfoPtr options; - - if (!page) return NULL; - - options = xnfalloc(sizeof(VBEOptions)); - (void)memcpy(options, VBEOptions, sizeof(VBEOptions)); - xf86ProcessOptions(screen, xf86Screens[screen]->options, options); - xf86GetOptValBool(options, VBEOPT_NOVBE, &novbe); - xf86GetOptValBool(options, VBEOPT_NODDC, &noddc); - xfree(options); - if (novbe || noddc) return NULL; - - if (!vbeProbeDDC(pVbe)) goto error; - - memset(page,0,sizeof(vbeInfoPtr)); - strcpy(page,vbeVersionString); - - pVbe->pInt10->ax = 0x4F15; - pVbe->pInt10->bx = 0x01; - pVbe->pInt10->cx = 0; - pVbe->pInt10->dx = 0; - pVbe->pInt10->es = SEG_ADDR(RealOff); - pVbe->pInt10->di = SEG_OFF(RealOff); - pVbe->pInt10->num = 0x10; - - xf86ExecX86int10(pVbe->pInt10); - - if ((pVbe->pInt10->ax & 0xff) != 0x4f) { - xf86DrvMsgVerb(screen,X_INFO,3,"VESA VBE DDC invalid\n"); - goto error; - } - switch (pVbe->pInt10->ax & 0xff00) { - case 0x0: - xf86DrvMsgVerb(screen,X_INFO,3,"VESA VBE DDC read successfully\n"); - tmp = (unsigned char *)xnfalloc(128); - memcpy(tmp,page,128); - break; - case 0x100: - xf86DrvMsgVerb(screen,X_INFO,3,"VESA VBE DDC read failed\n"); - break; - default: - xf86DrvMsgVerb(screen,X_INFO,3,"VESA VBE DDC unkown failure %i\n", - pVbe->pInt10->ax & 0xff00); - break; - } - - error: - return tmp; -} - -xf86MonPtr -vbeDoEDID(vbeInfoPtr pVbe, pointer pDDCModule) -{ - xf86MonPtr pMonitor; - pointer pModule; - unsigned char *DDC_data = NULL; - - if (!pVbe) return NULL; - if (pVbe->version < 0x200) - return NULL; - - if (!(pModule = pDDCModule)) { - pModule = - xf86LoadSubModule(xf86Screens[pVbe->pInt10->scrnIndex], "ddc"); - if (!pModule) - return NULL; - } - - DDC_data = vbeReadEDID(pVbe); - - if (!DDC_data) - return NULL; - - pMonitor = xf86InterpretEDID(pVbe->pInt10->scrnIndex, DDC_data); - - if (!pDDCModule) - xf86UnloadSubModule(pModule); - return pMonitor; -} - -#define GET_UNALIGNED2(x) \ - ((*(CARD16*)(x)) | (*(((CARD16*)(x) + 1))) << 16) - -VbeInfoBlock * -VBEGetVBEInfo(vbeInfoPtr pVbe) -{ - VbeInfoBlock *block = NULL; - int i, pStr, pModes; - char *str; - CARD16 major, *modes; - - bzero(pVbe->memory, sizeof(VbeInfoBlock)); - - /* - Input: - AH := 4Fh Super VGA support - AL := 00h Return Super VGA information - ES:DI := Pointer to buffer - - Output: - AX := status - (All other registers are preserved) - */ - - ((char*)pVbe->memory)[0] = 'V'; - ((char*)pVbe->memory)[1] = 'B'; - ((char*)pVbe->memory)[2] = 'E'; - ((char*)pVbe->memory)[3] = '2'; - - pVbe->pInt10->num = 0x10; - pVbe->pInt10->ax = 0x4f00; - pVbe->pInt10->es = SEG_ADDR(pVbe->real_mode_base); - pVbe->pInt10->di = SEG_OFF(pVbe->real_mode_base); - xf86ExecX86int10(pVbe->pInt10); - - if (R16(pVbe->pInt10->ax) != 0x4f) - return (NULL); - - block = xcalloc(sizeof(VbeInfoBlock), 1); - block->VESASignature[0] = ((char*)pVbe->memory)[0]; - block->VESASignature[1] = ((char*)pVbe->memory)[1]; - block->VESASignature[2] = ((char*)pVbe->memory)[2]; - block->VESASignature[3] = ((char*)pVbe->memory)[3]; - - block->VESAVersion = *(CARD16*)(((char*)pVbe->memory) + 4); - major = (unsigned)block->VESAVersion >> 8; - - pStr = GET_UNALIGNED2((((char*)pVbe->memory) + 6)); - str = xf86int10Addr(pVbe->pInt10, FARP(pStr)); - block->OEMStringPtr = strdup(str); - - block->Capabilities[0] = ((char*)pVbe->memory)[10]; - block->Capabilities[1] = ((char*)pVbe->memory)[11]; - block->Capabilities[2] = ((char*)pVbe->memory)[12]; - block->Capabilities[3] = ((char*)pVbe->memory)[13]; - - pModes = GET_UNALIGNED2((((char*)pVbe->memory) + 14)); - modes = xf86int10Addr(pVbe->pInt10, FARP(pModes)); - i = 0; - while (modes[i] != 0xffff) - i++; - block->VideoModePtr = xalloc(sizeof(CARD16) * i + 1); - memcpy(block->VideoModePtr, modes, sizeof(CARD16) * i); - block->VideoModePtr[i] = 0xffff; - - block->TotalMemory = *(CARD16*)(((char*)pVbe->memory) + 18); - - if (major < 2) - memcpy(&block->OemSoftwareRev, ((char*)pVbe->memory) + 20, 236); - else { - block->OemSoftwareRev = *(CARD16*)(((char*)pVbe->memory) + 20); - pStr = GET_UNALIGNED2((((char*)pVbe->memory) + 22)); - str = xf86int10Addr(pVbe->pInt10, FARP(pStr)); - block->OemVendorNamePtr = strdup(str); - pStr = GET_UNALIGNED2((((char*)pVbe->memory) + 26)); - str = xf86int10Addr(pVbe->pInt10, FARP(pStr)); - block->OemProductNamePtr = strdup(str); - pStr = GET_UNALIGNED2((((char*)pVbe->memory) + 30)); - str = xf86int10Addr(pVbe->pInt10, FARP(pStr)); - block->OemProductRevPtr = strdup(str); - memcpy(&block->Reserved, ((char*)pVbe->memory) + 34, 222); - memcpy(&block->OemData, ((char*)pVbe->memory) + 256, 256); - } - - return (block); -} - -void -VBEFreeVBEInfo(VbeInfoBlock *block) -{ - xfree(block->OEMStringPtr); - xfree(block->VideoModePtr); - if (((unsigned)block->VESAVersion >> 8) >= 2) { - xfree(block->OemVendorNamePtr); - xfree(block->OemProductNamePtr); - xfree(block->OemProductRevPtr); - } - xfree(block); -} - -Bool -VBESetVBEMode(vbeInfoPtr pVbe, int mode, VbeCRTCInfoBlock *block) -{ - /* - Input: - AH := 4Fh Super VGA support - AL := 02h Set Super VGA video mode - BX := Video mode - D0-D8 := Mode number - D9-D10 := Reserved (must be 0) - D11 := 0 Use current default refresh rate - := 1 Use user specified CRTC values for refresh rate - D12-13 Reserved for VBE/AF (must be 0) - D14 := 0 Use windowed frame buffer model - := 1 Use linear/flat frame buffer model - D15 := 0 Clear video memory - := 1 Don't clear video memory - ES:DI := Pointer to VbeCRTCInfoBlock structure - - Output: AX = Status - (All other registers are preserved) - */ - pVbe->pInt10->num = 0x10; - pVbe->pInt10->ax = 0x4f02; - pVbe->pInt10->bx = mode; - if (block) { - pVbe->pInt10->bx |= 1 << 11; - memcpy(pVbe->memory, block, sizeof(VbeCRTCInfoBlock)); - pVbe->pInt10->es = SEG_ADDR(pVbe->real_mode_base); - pVbe->pInt10->di = SEG_OFF(pVbe->real_mode_base); - } else - pVbe->pInt10->bx &= ~(1 << 11); - - xf86ExecX86int10(pVbe->pInt10); - - return (R16(pVbe->pInt10->ax) == 0x4f); -} - -Bool -VBEGetVBEMode(vbeInfoPtr pVbe, int *mode) -{ - /* - Input: - AH := 4Fh Super VGA support - AL := 03h Return current video mode - - Output: - AX := Status - BX := Current video mode - (All other registers are preserved) - */ - pVbe->pInt10->num = 0x10; - pVbe->pInt10->ax = 0x4f03; - - xf86ExecX86int10(pVbe->pInt10); - - if (R16(pVbe->pInt10->ax) == 0x4f) { - *mode = R16(pVbe->pInt10->bx); - - return (TRUE); - } - - return (FALSE); -} - -VbeModeInfoBlock * -VBEGetModeInfo(vbeInfoPtr pVbe, int mode) -{ - VbeModeInfoBlock *block = NULL; - - bzero(pVbe->memory, sizeof(VbeModeInfoBlock)); - - /* - Input: - AH := 4Fh Super VGA support - AL := 01h Return Super VGA mode information - CX := Super VGA video mode - (mode number must be one of those returned by Function 0) - ES:DI := Pointer to buffer - - Output: - AX := status - (All other registers are preserved) - */ - pVbe->pInt10->num = 0x10; - pVbe->pInt10->ax = 0x4f01; - pVbe->pInt10->cx = mode; - pVbe->pInt10->es = SEG_ADDR(pVbe->real_mode_base); - pVbe->pInt10->di = SEG_OFF(pVbe->real_mode_base); - xf86ExecX86int10(pVbe->pInt10); - if (R16(pVbe->pInt10->ax) != 0x4f) - return (NULL); - - block = xcalloc(sizeof(VbeModeInfoBlock), 1); - - block->ModeAttributes = *(CARD16*)pVbe->memory; - block->WinAAttributes = ((char*)pVbe->memory)[2]; - block->WinBAttributes = ((char*)pVbe->memory)[3]; - block->WinGranularity = *(CARD16*)(((char*)pVbe->memory) + 4); - block->WinSize = *(CARD16*)(((char*)pVbe->memory) + 6); - block->WinASegment = *(CARD16*)(((char*)pVbe->memory) + 8); - block->WinBSegment = *(CARD16*)(((char*)pVbe->memory) + 10); - block->WinFuncPtr = *(CARD32*)(((char*)pVbe->memory) + 12); - block->BytesPerScanline = *(CARD16*)(((char*)pVbe->memory) + 16); - - /* mandatory information for VBE 1.2 and above */ - block->XResolution = *(CARD16*)(((char*)pVbe->memory) + 18); - block->YResolution = *(CARD16*)(((char*)pVbe->memory) + 20); - block->XCharSize = ((char*)pVbe->memory)[22]; - block->YCharSize = ((char*)pVbe->memory)[23]; - block->NumberOfPlanes = ((char*)pVbe->memory)[24]; - block->BitsPerPixel = ((char*)pVbe->memory)[25]; - block->NumberOfBanks = ((char*)pVbe->memory)[26]; - block->MemoryModel = ((char*)pVbe->memory)[27]; - block->BankSize = ((char*)pVbe->memory)[28]; - block->NumberOfImages = ((char*)pVbe->memory)[29]; - block->Reserved = ((char*)pVbe->memory)[30]; - - /* Direct color fields (required for direct/6 and YUV/7 memory models) */ - block->RedMaskSize = ((char*)pVbe->memory)[31]; - block->RedFieldPosition = ((char*)pVbe->memory)[32]; - block->GreenMaskSize = ((char*)pVbe->memory)[33]; - block->GreenFieldPosition = ((char*)pVbe->memory)[34]; - block->BlueMaskSize = ((char*)pVbe->memory)[35]; - block->BlueFieldPosition = ((char*)pVbe->memory)[36]; - block->RsvdMaskSize = ((char*)pVbe->memory)[37]; - block->RsvdFieldPosition = ((char*)pVbe->memory)[38]; - block->DirectColorModeInfo = ((char*)pVbe->memory)[39]; - - /* Mandatory information for VBE 2.0 and above */ - if (pVbe->version >= 0x200) { - block->PhysBasePtr = *(CARD32*)(((char*)pVbe->memory) + 40); - block->Reserved32 = *(CARD32*)(((char*)pVbe->memory) + 44); - block->Reserved16 = *(CARD16*)(((char*)pVbe->memory) + 48); - - /* Mandatory information for VBE 3.0 and above */ - if (pVbe->version >= 0x300) { - block->LinBytesPerScanLine = *(CARD16*)(((char*)pVbe->memory) + 50); - block->BnkNumberOfImagePages = ((char*)pVbe->memory)[52]; - block->LinNumberOfImagePages = ((char*)pVbe->memory)[53]; - block->LinRedMaskSize = ((char*)pVbe->memory)[54]; - block->LinRedFieldPosition = ((char*)pVbe->memory)[55]; - block->LinGreenMaskSize = ((char*)pVbe->memory)[56]; - block->LinGreenFieldPosition = ((char*)pVbe->memory)[57]; - block->LinBlueMaskSize = ((char*)pVbe->memory)[58]; - block->LinBlueFieldPosition = ((char*)pVbe->memory)[59]; - block->LinRsvdMaskSize = ((char*)pVbe->memory)[60]; - block->LinRsvdFieldPosition = ((char*)pVbe->memory)[61]; - block->MaxPixelClock = *(CARD32*)(((char*)pVbe->memory) + 62); - memcpy(&block->Reserved2, ((char*)pVbe->memory) + 66, 188); - } - else - memcpy(&block->LinBytesPerScanLine, ((char*)pVbe->memory) + 50, 206); - } - else - memcpy(&block->PhysBasePtr, ((char*)pVbe->memory) + 40, 216); - - return (block); -} - -void -VBEFreeModeInfo(VbeModeInfoBlock *block) -{ - xfree(block); -} - -Bool -VBESaveRestore(vbeInfoPtr pVbe, vbeSaveRestoreFunction function, - pointer *memory, int *size, int *real_mode_pages) -{ - /* - Input: - AH := 4Fh Super VGA support - AL := 04h Save/restore Super VGA video state - DL := 00h Return save/restore state buffer size - CX := Requested states - D0 = Save/restore video hardware state - D1 = Save/restore video BIOS data state - D2 = Save/restore video DAC state - D3 = Save/restore Super VGA state - - Output: - AX = Status - BX = Number of 64-byte blocks to hold the state buffer - (All other registers are preserved) - - - Input: - AH := 4Fh Super VGA support - AL := 04h Save/restore Super VGA video state - DL := 01h Save Super VGA video state - CX := Requested states (see above) - ES:BX := Pointer to buffer - - Output: - AX := Status - (All other registers are preserved) - - - Input: - AH := 4Fh Super VGA support - AL := 04h Save/restore Super VGA video state - DL := 02h Restore Super VGA video state - CX := Requested states (see above) - ES:BX := Pointer to buffer - - Output: - AX := Status - (All other registers are preserved) - */ - - if ((pVbe->version & 0xff00) > 0x100) { - int screen = pVbe->pInt10->scrnIndex; - if (function == MODE_QUERY || - (function == MODE_SAVE && !*memory)) { - /* Query amount of memory to save state */ - - pVbe->pInt10->num = 0x10; - pVbe->pInt10->ax = 0x4f04; - pVbe->pInt10->dx = 0; - pVbe->pInt10->cx = 0x000f; - xf86ExecX86int10(pVbe->pInt10); - if (R16(pVbe->pInt10->ax) != 0x4f) - return (FALSE); - - if (function == MODE_SAVE) { - int npages = (R16(pVbe->pInt10->bx) * 64) / 4096 + 1; - if ((*memory = xf86Int10AllocPages(pVbe->pInt10, npages, - real_mode_pages)) == NULL) { - xf86DrvMsg(screen, X_ERROR, - "Cannot allocate memory to save SVGA state.\n"); - return (FALSE); - } - } - *size = pVbe->pInt10->bx * 64; - } - - /* Save/Restore Super VGA state */ - if (function != MODE_QUERY) { - - if (!*memory) return FALSE; - pVbe->pInt10->num = 0x10; - pVbe->pInt10->ax = 0x4f04; - switch (function) { - case MODE_SAVE: - pVbe->pInt10->dx = 1; - break; - case MODE_RESTORE: - pVbe->pInt10->dx = 2; - break; - case MODE_QUERY: - return FALSE; - } - pVbe->pInt10->cx = 0x000f; - - pVbe->pInt10->es = SEG_ADDR(*real_mode_pages); - pVbe->pInt10->bx = SEG_OFF(*real_mode_pages); - xf86ExecX86int10(pVbe->pInt10); - return (R16(pVbe->pInt10->ax) == 0x4f); - - } - } - return TRUE; -} - -Bool -VBEBankSwitch(vbeInfoPtr pVbe, unsigned int iBank, int window) -{ - /* - Input: - AH := 4Fh Super VGA support - AL := 05h - - Output: - */ - pVbe->pInt10->num = 0x10; - pVbe->pInt10->ax = 0x4f05; - pVbe->pInt10->bx = window; - pVbe->pInt10->dx = iBank; - xf86ExecX86int10(pVbe->pInt10); - - if (R16(pVbe->pInt10->ax) != 0x4f) - return (FALSE); - - return (TRUE); -} - -Bool -VBESetGetLogicalScanlineLength(vbeInfoPtr pVbe, vbeScanwidthCommand command, - int width, int *pixels, int *bytes, int *max) -{ - if (command < SCANWID_SET || command > SCANWID_GET_MAX) - return (FALSE); - - /* - Input: - AX := 4F06h VBE Set/Get Logical Scan Line Length - BL := 00h Set Scan Line Length in Pixels - := 01h Get Scan Line Length - := 02h Set Scan Line Length in Bytes - := 03h Get Maximum Scan Line Length - CX := If BL=00h Desired Width in Pixels - If BL=02h Desired Width in Bytes - (Ignored for Get Functions) - - Output: - AX := VBE Return Status - BX := Bytes Per Scan Line - CX := Actual Pixels Per Scan Line - (truncated to nearest complete pixel) - DX := Maximum Number of Scan Lines - */ - - pVbe->pInt10->num = 0x10; - pVbe->pInt10->ax = 0x4f06; - pVbe->pInt10->bx = command; - if (command == SCANWID_SET || command == SCANWID_SET_BYTES) - pVbe->pInt10->cx = width; - xf86ExecX86int10(pVbe->pInt10); - - if (R16(pVbe->pInt10->ax) != 0x4f) - return (FALSE); - - if (command == SCANWID_GET || command == SCANWID_GET_MAX) { - if (pixels) - *pixels = R16(pVbe->pInt10->cx); - if (bytes) - *bytes = R16(pVbe->pInt10->bx); - if (max) - *max = R16(pVbe->pInt10->dx); - } - - return (TRUE); -} - -Bool -VBESetDisplayStart(vbeInfoPtr pVbe, int x, int y, Bool wait_retrace) -{ - pVbe->pInt10->num = 0x10; - pVbe->pInt10->ax = 0x4f07; - pVbe->pInt10->bx = wait_retrace ? 0x80 : 0x00; - pVbe->pInt10->cx = x; - pVbe->pInt10->dx = y; - xf86ExecX86int10(pVbe->pInt10); - - if (R16(pVbe->pInt10->ax) != 0x4f) - return (FALSE); - - return (TRUE); -} - -Bool -VBEGetDisplayStart(vbeInfoPtr pVbe, int *x, int *y) -{ - pVbe->pInt10->num = 0x10; - pVbe->pInt10->ax = 0x4f07; - pVbe->pInt10->bx = 0x01; - xf86ExecX86int10(pVbe->pInt10); - - if (R16(pVbe->pInt10->ax) != 0x4f) - return (FALSE); - - *x = pVbe->pInt10->cx; - *y = pVbe->pInt10->dx; - - return (TRUE); -} - -int -VBESetGetDACPaletteFormat(vbeInfoPtr pVbe, int bits) -{ - /* - Input: - AX := 4F08h VBE Set/Get Palette Format - BL := 00h Set DAC Palette Format - := 01h Get DAC Palette Format - BH := Desired bits of color per primary - (Set DAC Palette Format only) - - Output: - AX := VBE Return Status - BH := Current number of bits of color per primary - */ - - pVbe->pInt10->num = 0x10; - pVbe->pInt10->ax = 0x4f08; - if (!bits) - pVbe->pInt10->bx = 0x01; - else - pVbe->pInt10->bx = (bits & 0x00ff) << 8; - xf86ExecX86int10(pVbe->pInt10); - - if (R16(pVbe->pInt10->ax) != 0x4f) - return (0); - - return (bits != 0 ? bits : (pVbe->pInt10->bx >> 8) & 0x00ff); -} - -CARD32 * -VBESetGetPaletteData(vbeInfoPtr pVbe, Bool set, int first, int num, - CARD32 *data, Bool secondary, Bool wait_retrace) -{ - /* - Input: - (16-bit) - AX := 4F09h VBE Load/Unload Palette Data - BL := 00h Set Palette Data - := 01h Get Palette Data - := 02h Set Secondary Palette Data - := 03h Get Secondary Palette Data - := 80h Set Palette Data during Vertical Retrace - CX := Number of palette registers to update (to a maximum of 256) - DX := First of the palette registers to update (start) - ES:DI := Table of palette values (see below for format) - - Output: - AX := VBE Return Status - - - Input: - (32-bit) - BL := 00h Set Palette Data - := 80h Set Palette Data during Vertical Retrace - CX := Number of palette registers to update (to a maximum of 256) - DX := First of the palette registers to update (start) - ES:EDI := Table of palette values (see below for format) - DS := Selector for memory mapped registers - */ - - pVbe->pInt10->num = 0x10; - pVbe->pInt10->ax = 0x4f09; - if (!secondary) - pVbe->pInt10->bx = set && wait_retrace ? 0x80 : set ? 0 : 1; - else - pVbe->pInt10->bx = set ? 2 : 3; - pVbe->pInt10->cx = num; - pVbe->pInt10->dx = first; - pVbe->pInt10->es = SEG_ADDR(pVbe->real_mode_base); - pVbe->pInt10->di = SEG_OFF(pVbe->real_mode_base); - if (set) - memcpy(pVbe->memory, data, num * sizeof(CARD32)); - xf86ExecX86int10(pVbe->pInt10); - - if (R16(pVbe->pInt10->ax) != 0x4f) - return (NULL); - - if (set) - return (data); - - data = xalloc(num * sizeof(CARD32)); - memcpy(data, pVbe->memory, num * sizeof(CARD32)); - - return (data); -} - -VBEpmi * -VBEGetVBEpmi(vbeInfoPtr pVbe) -{ - VBEpmi *pmi; - - /* - Input: - AH := 4Fh Super VGA support - AL := 0Ah Protected Mode Interface - BL := 00h Return Protected Mode Table - - Output: - AX := Status - ES := Real Mode Segment of Table - DI := Offset of Table - CX := Lenght of Table including protected mode code in bytes (for copying purposes) - (All other registers are preserved) - */ - - pVbe->pInt10->num = 0x10; - pVbe->pInt10->ax = 0x4f0a; - pVbe->pInt10->bx = 0; - pVbe->pInt10->di = 0; - xf86ExecX86int10(pVbe->pInt10); - - if (R16(pVbe->pInt10->ax) != 0x4f) - return (NULL); - - pmi = xalloc(sizeof(VBEpmi)); - pmi->seg_tbl = R16(pVbe->pInt10->es); - pmi->tbl_off = R16(pVbe->pInt10->di); - pmi->tbl_len = R16(pVbe->pInt10->cx); - - return (pmi); -} - -#if 0 -vbeModeInfoPtr -VBEBuildVbeModeList(vbeInfoPtr pVbe, VbeInfoBlock *vbe) -{ - vbeModeInfoPtr ModeList = NULL; - - int i = 0; - while (vbe->VideoModePtr[i] != 0xffff) { - vbeModeInfoPtr m; - VbeModeInfoBlock *mode; - int id = vbe->VideoModePtr[i++]; - int bpp; - - if ((mode = VBEGetModeInfo(pVbe, id)) == NULL) - continue; - - bpp = mode->BitsPerPixel; - - m = xnfcalloc(sizeof(vbeModeInfoRec),1); - m->width = mode->XResolution; - m->height = mode->YResolution; - m->bpp = bpp; - m->n = id; - m->next = ModeList; - - xf86DrvMsgVerb(pVbe->pInt10->scrnIndex, X_PROBED, 3, - "BIOS reported VESA mode 0x%x: x:%i y:%i bpp:%i\n", - m->n, m->width, m->height, m->bpp); - - ModeList = m; - - VBEFreeModeInfo(mode); - } - return ModeList; -} - -unsigned short -VBECalcVbeModeIndex(vbeModeInfoPtr m, DisplayModePtr mode, int bpp) -{ - while (m) { - if (bpp == m->bpp - && mode->HDisplay == m->width - && mode->VDisplay == m->height) - return m->n; - m = m->next; - } - return 0; -} -#endif - -void -VBEVesaSaveRestore(vbeInfoPtr pVbe, vbeSaveRestorePtr vbe_sr, - vbeSaveRestoreFunction function) -{ - Bool SaveSucc = FALSE; - - if (VBE_VERSION_MAJOR(pVbe->version) > 1 - && (function == MODE_SAVE || vbe_sr->pstate)) { - if (function == MODE_RESTORE) - memcpy(vbe_sr->state, vbe_sr->pstate, vbe_sr->stateSize); - ErrorF("VBESaveRestore\n"); - if ((VBESaveRestore(pVbe,function, - (pointer)&vbe_sr->state, - &vbe_sr->stateSize,&vbe_sr->statePage))) { - if (function == MODE_SAVE) { - SaveSucc = TRUE; - vbe_sr->stateMode = -1; /* invalidate */ - /* don't rely on the memory not being touched */ - if (vbe_sr->pstate == NULL) - vbe_sr->pstate = xalloc(vbe_sr->stateSize); - memcpy(vbe_sr->pstate, vbe_sr->state, vbe_sr->stateSize); - } - ErrorF("VBESaveRestore done with success\n"); - return; - } - ErrorF("VBESaveRestore done\n"); - } - - if (function == MODE_SAVE && !SaveSucc) - (void)VBEGetVBEMode(pVbe, &vbe_sr->stateMode); - - if (function == MODE_RESTORE && vbe_sr->stateMode != -1) - VBESetVBEMode(pVbe, vbe_sr->stateMode, NULL); - -} - -int -VBEGetPixelClock(vbeInfoPtr pVbe, int mode, int clock) -{ - /* - Input: - AX := 4F0Bh VBE Get Pixel Clock - BL := 00h Get Pixel Clock - ECX := pixel clock in units of Hz - DX := mode number - - Output: - AX := VBE Return Status - ECX := Closest pixel clock - */ - - pVbe->pInt10->num = 0x10; - pVbe->pInt10->ax = 0x4f0b; - pVbe->pInt10->bx = 0x00; - pVbe->pInt10->cx = clock; - pVbe->pInt10->dx = mode; - xf86ExecX86int10(pVbe->pInt10); - - if (R16(pVbe->pInt10->ax) != 0x4f) - return (0); - - return (pVbe->pInt10->cx); -} - -Bool -VBEDPMSSet(vbeInfoPtr pVbe, int mode) -{ - /* - Input: - AX := 4F10h DPMS - BL := 01h Set Display Power State - BH := requested power state - - Output: - AX := VBE Return Status - */ - - pVbe->pInt10->num = 0x10; - pVbe->pInt10->ax = 0x4f10; - pVbe->pInt10->bx = 0x01; - switch (mode) { - case DPMSModeOn: - break; - case DPMSModeStandby: - pVbe->pInt10->bx |= 0x100; - break; - case DPMSModeSuspend: - pVbe->pInt10->bx |= 0x200; - break; - case DPMSModeOff: - pVbe->pInt10->bx |= 0x400; - break; - } - xf86ExecX86int10(pVbe->pInt10); - return (R16(pVbe->pInt10->ax) == 0x4f); -} - -void -VBEInterpretPanelID(int scrnIndex, struct vbePanelID *data) -{ - ScrnInfoPtr pScrn = xf86Screens[scrnIndex]; - DisplayModePtr mode; - const float PANEL_HZ = 60.0; - - if (!data) - return; - - xf86DrvMsg(scrnIndex, X_INFO, "PanelID returned panel resolution %dx%d\n", - data->hsize, data->vsize); - - if (pScrn->monitor->nHsync || pScrn->monitor->nVrefresh) - return; - - mode = xf86CVTMode(data->hsize, data->vsize, PANEL_HZ, 1, 0); - - pScrn->monitor->nHsync = 1; - pScrn->monitor->hsync[0].lo = 31.5; - pScrn->monitor->hsync[0].hi = (float)mode->Clock / (float)mode->HTotal; - pScrn->monitor->nVrefresh = 1; - pScrn->monitor->vrefresh[0].lo = 56.0; - pScrn->monitor->vrefresh[0].hi = - (float)mode->Clock*1000.0 / (float)mode->HTotal / (float)mode->VTotal; - - xfree(mode); -} - -struct vbePanelID * -VBEReadPanelID(vbeInfoPtr pVbe) -{ - int RealOff = pVbe->real_mode_base; - pointer page = pVbe->memory; - void *tmp = NULL; - int screen = pVbe->pInt10->scrnIndex; - - pVbe->pInt10->ax = 0x4F11; - pVbe->pInt10->bx = 0x01; - pVbe->pInt10->cx = 0; - pVbe->pInt10->dx = 0; - pVbe->pInt10->es = SEG_ADDR(RealOff); - pVbe->pInt10->di = SEG_OFF(RealOff); - pVbe->pInt10->num = 0x10; - - xf86ExecX86int10(pVbe->pInt10); - - if ((pVbe->pInt10->ax & 0xff) != 0x4f) { - xf86DrvMsgVerb(screen,X_INFO,3,"VESA VBE PanelID invalid\n"); - goto error; - } - - switch (pVbe->pInt10->ax & 0xff00) { - case 0x0: - xf86DrvMsgVerb(screen,X_INFO,3,"VESA VBE PanelID read successfully\n"); - tmp = xnfalloc(32); - memcpy(tmp, page, 32); - break; - case 0x100: - xf86DrvMsgVerb(screen,X_INFO,3,"VESA VBE PanelID read failed\n"); - break; - default: - xf86DrvMsgVerb(screen,X_INFO,3,"VESA VBE PanelID unknown failure %i\n", - pVbe->pInt10->ax & 0xff00); - break; - } - -error: - return tmp; -} +
+/*
+ * XFree86 vbe module
+ * Copyright 2000 Egbert Eich
+ *
+ * The mode query/save/set/restore functions from the vesa driver
+ * have been moved here.
+ * Copyright (c) 2000 by Conectiva S.A. (http://www.conectiva.com)
+ * Authors: Paulo César Pereira de Andrade <pcpa@conectiva.com.br>
+ */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include <string.h>
+
+#include "xf86.h"
+#include "vbe.h"
+#include <X11/Xarch.h>
+#include <X11/extensions/dpmsconst.h>
+
+#define VERSION(x) VBE_VERSION_MAJOR(x),VBE_VERSION_MINOR(x)
+
+#if X_BYTE_ORDER == X_LITTLE_ENDIAN
+#define B_O16(x) (x)
+#define B_O32(x) (x)
+#else
+#define B_O16(x) ((((x) & 0xff) << 8) | (((x) & 0xff) >> 8))
+#define B_O32(x) ((((x) & 0xff) << 24) | (((x) & 0xff00) << 8) \
+ | (((x) & 0xff0000) >> 8) | (((x) & 0xff000000) >> 24))
+#endif
+#define L_ADD(x) (B_O32(x) & 0xffff) + ((B_O32(x) >> 12) & 0xffff00)
+
+#define FARP(p) (((unsigned)(p & 0xffff0000) >> 12) | (p & 0xffff))
+#define R16(v) ((v) & 0xffff)
+
+static unsigned char * vbeReadEDID(vbeInfoPtr pVbe);
+static Bool vbeProbeDDC(vbeInfoPtr pVbe);
+
+static const char vbeVersionString[] = "VBE2";
+
+vbeInfoPtr
+VBEInit(xf86Int10InfoPtr pInt, int entityIndex)
+{
+ return VBEExtendedInit(pInt, entityIndex, 0);
+}
+
+vbeInfoPtr
+VBEExtendedInit(xf86Int10InfoPtr pInt, int entityIndex, int Flags)
+{
+ int RealOff;
+ pointer page = NULL;
+ ScrnInfoPtr pScrn = xf86FindScreenForEntity(entityIndex);
+ vbeControllerInfoPtr vbe = NULL;
+ Bool init_int10 = FALSE;
+ vbeInfoPtr vip = NULL;
+ int screen;
+
+ if (!pScrn) return NULL;
+ screen = pScrn->scrnIndex;
+
+ if (!pInt) {
+ if (!xf86LoadSubModule(pScrn, "int10"))
+ goto error;
+
+ xf86DrvMsg(screen,X_INFO,"initializing int10\n");
+ pInt = xf86ExtendedInitInt10(entityIndex,Flags);
+ if (!pInt)
+ goto error;
+ init_int10 = TRUE;
+ }
+
+ page = xf86Int10AllocPages(pInt,1,&RealOff);
+ if (!page) goto error;
+ vbe = (vbeControllerInfoPtr) page;
+ memcpy(vbe->VbeSignature,vbeVersionString,4);
+
+ pInt->ax = 0x4F00;
+ pInt->es = SEG_ADDR(RealOff);
+ pInt->di = SEG_OFF(RealOff);
+ pInt->num = 0x10;
+
+ xf86ExecX86int10(pInt);
+
+ if ((pInt->ax & 0xff) != 0x4f) {
+ xf86DrvMsgVerb(screen,X_INFO,3,"VESA BIOS not detected\n");
+ goto error;
+ }
+
+ switch (pInt->ax & 0xff00) {
+ case 0:
+ xf86DrvMsg(screen,X_INFO,"VESA BIOS detected\n");
+ break;
+ case 0x100:
+ xf86DrvMsg(screen,X_INFO,"VESA BIOS function failed\n");
+ goto error;
+ case 0x200:
+ xf86DrvMsg(screen,X_INFO,"VESA BIOS not supported\n");
+ goto error;
+ case 0x300:
+ xf86DrvMsg(screen,X_INFO,"VESA BIOS not supported in current mode\n");
+ goto error;
+ default:
+ xf86DrvMsg(screen,X_INFO,"Invalid\n");
+ goto error;
+ }
+
+ xf86DrvMsgVerb(screen, X_INFO, 4,
+ "VbeVersion is %d, OemStringPtr is 0x%08lx,\n"
+ "\tOemVendorNamePtr is 0x%08lx, OemProductNamePtr is 0x%08lx,\n"
+ "\tOemProductRevPtr is 0x%08lx\n",
+ vbe->VbeVersion, (unsigned long)vbe->OemStringPtr,
+ (unsigned long)vbe->OemVendorNamePtr,
+ (unsigned long)vbe->OemProductNamePtr,
+ (unsigned long)vbe->OemProductRevPtr);
+
+ xf86DrvMsgVerb(screen,X_INFO,3,"VESA VBE Version %i.%i\n",
+ VERSION(vbe->VbeVersion));
+ xf86DrvMsgVerb(screen,X_INFO,3,"VESA VBE Total Mem: %i kB\n",
+ vbe->TotalMem * 64);
+ xf86DrvMsgVerb(screen,X_INFO,3,"VESA VBE OEM: %s\n",
+ (CARD8*)xf86int10Addr(pInt,L_ADD(vbe->OemStringPtr)));
+
+ if (B_O16(vbe->VbeVersion) >= 0x200) {
+ xf86DrvMsgVerb(screen,X_INFO,3,"VESA VBE OEM Software Rev: %i.%i\n",
+ VERSION(vbe->OemSoftwareRev));
+ if (vbe->OemVendorNamePtr)
+ xf86DrvMsgVerb(screen,X_INFO,3,"VESA VBE OEM Vendor: %s\n",
+ (CARD8*)xf86int10Addr(pInt,L_ADD(vbe->OemVendorNamePtr)));
+ if (vbe->OemProductNamePtr)
+ xf86DrvMsgVerb(screen,X_INFO,3,"VESA VBE OEM Product: %s\n",
+ (CARD8*)xf86int10Addr(pInt,L_ADD(vbe->OemProductNamePtr)));
+ if (vbe->OemProductRevPtr)
+ xf86DrvMsgVerb(screen,X_INFO,3,"VESA VBE OEM Product Rev: %s\n",
+ (CARD8*)xf86int10Addr(pInt,L_ADD(vbe->OemProductRevPtr)));
+ }
+ vip = (vbeInfoPtr)xnfalloc(sizeof(vbeInfoRec));
+ vip->version = B_O16(vbe->VbeVersion);
+ vip->pInt10 = pInt;
+ vip->ddc = DDC_UNCHECKED;
+ vip->memory = page;
+ vip->real_mode_base = RealOff;
+ vip->num_pages = 1;
+ vip->init_int10 = init_int10;
+
+ return vip;
+
+ error:
+ if (page)
+ xf86Int10FreePages(pInt, page, 1);
+ if (init_int10)
+ xf86FreeInt10(pInt);
+ return NULL;
+}
+
+void
+vbeFree(vbeInfoPtr pVbe)
+{
+ if (!pVbe)
+ return;
+
+ xf86Int10FreePages(pVbe->pInt10,pVbe->memory,pVbe->num_pages);
+ /* If we have initalized int10 we ought to free it, too */
+ if (pVbe->init_int10)
+ xf86FreeInt10(pVbe->pInt10);
+ free(pVbe);
+ return;
+}
+
+static Bool
+vbeProbeDDC(vbeInfoPtr pVbe)
+{
+ char *ddc_level;
+ int screen = pVbe->pInt10->scrnIndex;
+
+ if (pVbe->ddc == DDC_NONE)
+ return FALSE;
+ if (pVbe->ddc != DDC_UNCHECKED)
+ return TRUE;
+
+ pVbe->pInt10->ax = 0x4F15;
+ pVbe->pInt10->bx = 0;
+ pVbe->pInt10->cx = 0;
+ pVbe->pInt10->es = 0;
+ pVbe->pInt10->di = 0;
+ pVbe->pInt10->num = 0x10;
+
+ xf86ExecX86int10(pVbe->pInt10);
+
+ if ((pVbe->pInt10->ax & 0xff) != 0x4f) {
+ xf86DrvMsgVerb(screen,X_INFO,3,"VESA VBE DDC not supported\n");
+ pVbe->ddc = DDC_NONE;
+ return FALSE;
+ }
+
+ switch ((pVbe->pInt10->ax >> 8) & 0xff) {
+ case 0:
+ xf86DrvMsg(screen,X_INFO,"VESA VBE DDC supported\n");
+ switch (pVbe->pInt10->bx & 0x3) {
+ case 0:
+ ddc_level = " none";
+ pVbe->ddc = DDC_NONE;
+ break;
+ case 1:
+ ddc_level = " 1";
+ pVbe->ddc = DDC_1;
+ break;
+ case 2:
+ ddc_level = " 2";
+ pVbe->ddc = DDC_2;
+ break;
+ case 3:
+ ddc_level = " 1 + 2";
+ pVbe->ddc = DDC_1_2;
+ break;
+ default:
+ ddc_level = "";
+ pVbe->ddc = DDC_NONE;
+ break;
+ }
+ xf86DrvMsgVerb(screen,X_INFO,3,"VESA VBE DDC Level%s\n",ddc_level);
+ if (pVbe->pInt10->bx & 0x4) {
+ xf86DrvMsgVerb(screen,X_INFO,3,"VESA VBE DDC Screen blanked"
+ "for data transfer\n");
+ pVbe->ddc_blank = TRUE;
+ } else
+ pVbe->ddc_blank = FALSE;
+
+ xf86DrvMsgVerb(screen,X_INFO,3,
+ "VESA VBE DDC transfer in appr. %x sec.\n",
+ (pVbe->pInt10->bx >> 8) & 0xff);
+ }
+
+ return TRUE;
+}
+
+typedef enum {
+ VBEOPT_NOVBE,
+ VBEOPT_NODDC
+} VBEOpts;
+
+static const OptionInfoRec VBEOptions[] = {
+ { VBEOPT_NOVBE, "NoVBE", OPTV_BOOLEAN, {0}, FALSE },
+ { VBEOPT_NODDC, "NoDDC", OPTV_BOOLEAN, {0}, FALSE },
+ { -1, NULL, OPTV_NONE, {0}, FALSE },
+};
+
+static unsigned char *
+vbeReadEDID(vbeInfoPtr pVbe)
+{
+ int RealOff = pVbe->real_mode_base;
+ pointer page = pVbe->memory;
+ unsigned char *tmp = NULL;
+ Bool novbe = FALSE;
+ Bool noddc = FALSE;
+ int screen = pVbe->pInt10->scrnIndex;
+ OptionInfoPtr options;
+
+ if (!page) return NULL;
+
+ options = xnfalloc(sizeof(VBEOptions));
+ (void)memcpy(options, VBEOptions, sizeof(VBEOptions));
+ xf86ProcessOptions(screen, xf86Screens[screen]->options, options);
+ xf86GetOptValBool(options, VBEOPT_NOVBE, &novbe);
+ xf86GetOptValBool(options, VBEOPT_NODDC, &noddc);
+ free(options);
+ if (novbe || noddc) return NULL;
+
+ if (!vbeProbeDDC(pVbe)) goto error;
+
+ memset(page,0,sizeof(vbeInfoPtr));
+ strcpy(page,vbeVersionString);
+
+ pVbe->pInt10->ax = 0x4F15;
+ pVbe->pInt10->bx = 0x01;
+ pVbe->pInt10->cx = 0;
+ pVbe->pInt10->dx = 0;
+ pVbe->pInt10->es = SEG_ADDR(RealOff);
+ pVbe->pInt10->di = SEG_OFF(RealOff);
+ pVbe->pInt10->num = 0x10;
+
+ xf86ExecX86int10(pVbe->pInt10);
+
+ if ((pVbe->pInt10->ax & 0xff) != 0x4f) {
+ xf86DrvMsgVerb(screen,X_INFO,3,"VESA VBE DDC invalid\n");
+ goto error;
+ }
+ switch (pVbe->pInt10->ax & 0xff00) {
+ case 0x0:
+ xf86DrvMsgVerb(screen,X_INFO,3,"VESA VBE DDC read successfully\n");
+ tmp = (unsigned char *)xnfalloc(128);
+ memcpy(tmp,page,128);
+ break;
+ case 0x100:
+ xf86DrvMsgVerb(screen,X_INFO,3,"VESA VBE DDC read failed\n");
+ break;
+ default:
+ xf86DrvMsgVerb(screen,X_INFO,3,"VESA VBE DDC unkown failure %i\n",
+ pVbe->pInt10->ax & 0xff00);
+ break;
+ }
+
+ error:
+ return tmp;
+}
+
+xf86MonPtr
+vbeDoEDID(vbeInfoPtr pVbe, pointer pDDCModule)
+{
+ xf86MonPtr pMonitor;
+ pointer pModule;
+ unsigned char *DDC_data = NULL;
+
+ if (!pVbe) return NULL;
+ if (pVbe->version < 0x200)
+ return NULL;
+
+ if (!(pModule = pDDCModule)) {
+ pModule =
+ xf86LoadSubModule(xf86Screens[pVbe->pInt10->scrnIndex], "ddc");
+ if (!pModule)
+ return NULL;
+ }
+
+ DDC_data = vbeReadEDID(pVbe);
+
+ if (!DDC_data)
+ return NULL;
+
+ pMonitor = xf86InterpretEDID(pVbe->pInt10->scrnIndex, DDC_data);
+
+ if (!pDDCModule)
+ xf86UnloadSubModule(pModule);
+ return pMonitor;
+}
+
+#define GET_UNALIGNED2(x) \
+ ((*(CARD16*)(x)) | (*(((CARD16*)(x) + 1))) << 16)
+
+VbeInfoBlock *
+VBEGetVBEInfo(vbeInfoPtr pVbe)
+{
+ VbeInfoBlock *block = NULL;
+ int i, pStr, pModes;
+ char *str;
+ CARD16 major, *modes;
+
+ bzero(pVbe->memory, sizeof(VbeInfoBlock));
+
+ /*
+ Input:
+ AH := 4Fh Super VGA support
+ AL := 00h Return Super VGA information
+ ES:DI := Pointer to buffer
+
+ Output:
+ AX := status
+ (All other registers are preserved)
+ */
+
+ ((char*)pVbe->memory)[0] = 'V';
+ ((char*)pVbe->memory)[1] = 'B';
+ ((char*)pVbe->memory)[2] = 'E';
+ ((char*)pVbe->memory)[3] = '2';
+
+ pVbe->pInt10->num = 0x10;
+ pVbe->pInt10->ax = 0x4f00;
+ pVbe->pInt10->es = SEG_ADDR(pVbe->real_mode_base);
+ pVbe->pInt10->di = SEG_OFF(pVbe->real_mode_base);
+ xf86ExecX86int10(pVbe->pInt10);
+
+ if (R16(pVbe->pInt10->ax) != 0x4f)
+ return (NULL);
+
+ block = calloc(sizeof(VbeInfoBlock), 1);
+ block->VESASignature[0] = ((char*)pVbe->memory)[0];
+ block->VESASignature[1] = ((char*)pVbe->memory)[1];
+ block->VESASignature[2] = ((char*)pVbe->memory)[2];
+ block->VESASignature[3] = ((char*)pVbe->memory)[3];
+
+ block->VESAVersion = *(CARD16*)(((char*)pVbe->memory) + 4);
+ major = (unsigned)block->VESAVersion >> 8;
+
+ pStr = GET_UNALIGNED2((((char*)pVbe->memory) + 6));
+ str = xf86int10Addr(pVbe->pInt10, FARP(pStr));
+ block->OEMStringPtr = strdup(str);
+
+ block->Capabilities[0] = ((char*)pVbe->memory)[10];
+ block->Capabilities[1] = ((char*)pVbe->memory)[11];
+ block->Capabilities[2] = ((char*)pVbe->memory)[12];
+ block->Capabilities[3] = ((char*)pVbe->memory)[13];
+
+ pModes = GET_UNALIGNED2((((char*)pVbe->memory) + 14));
+ modes = xf86int10Addr(pVbe->pInt10, FARP(pModes));
+ i = 0;
+ while (modes[i] != 0xffff)
+ i++;
+ block->VideoModePtr = malloc(sizeof(CARD16) * i + 1);
+ memcpy(block->VideoModePtr, modes, sizeof(CARD16) * i);
+ block->VideoModePtr[i] = 0xffff;
+
+ block->TotalMemory = *(CARD16*)(((char*)pVbe->memory) + 18);
+
+ if (major < 2)
+ memcpy(&block->OemSoftwareRev, ((char*)pVbe->memory) + 20, 236);
+ else {
+ block->OemSoftwareRev = *(CARD16*)(((char*)pVbe->memory) + 20);
+ pStr = GET_UNALIGNED2((((char*)pVbe->memory) + 22));
+ str = xf86int10Addr(pVbe->pInt10, FARP(pStr));
+ block->OemVendorNamePtr = strdup(str);
+ pStr = GET_UNALIGNED2((((char*)pVbe->memory) + 26));
+ str = xf86int10Addr(pVbe->pInt10, FARP(pStr));
+ block->OemProductNamePtr = strdup(str);
+ pStr = GET_UNALIGNED2((((char*)pVbe->memory) + 30));
+ str = xf86int10Addr(pVbe->pInt10, FARP(pStr));
+ block->OemProductRevPtr = strdup(str);
+ memcpy(&block->Reserved, ((char*)pVbe->memory) + 34, 222);
+ memcpy(&block->OemData, ((char*)pVbe->memory) + 256, 256);
+ }
+
+ return (block);
+}
+
+void
+VBEFreeVBEInfo(VbeInfoBlock *block)
+{
+ free(block->OEMStringPtr);
+ free(block->VideoModePtr);
+ if (((unsigned)block->VESAVersion >> 8) >= 2) {
+ free(block->OemVendorNamePtr);
+ free(block->OemProductNamePtr);
+ free(block->OemProductRevPtr);
+ }
+ free(block);
+}
+
+Bool
+VBESetVBEMode(vbeInfoPtr pVbe, int mode, VbeCRTCInfoBlock *block)
+{
+ /*
+ Input:
+ AH := 4Fh Super VGA support
+ AL := 02h Set Super VGA video mode
+ BX := Video mode
+ D0-D8 := Mode number
+ D9-D10 := Reserved (must be 0)
+ D11 := 0 Use current default refresh rate
+ := 1 Use user specified CRTC values for refresh rate
+ D12-13 Reserved for VBE/AF (must be 0)
+ D14 := 0 Use windowed frame buffer model
+ := 1 Use linear/flat frame buffer model
+ D15 := 0 Clear video memory
+ := 1 Don't clear video memory
+ ES:DI := Pointer to VbeCRTCInfoBlock structure
+
+ Output: AX = Status
+ (All other registers are preserved)
+ */
+ pVbe->pInt10->num = 0x10;
+ pVbe->pInt10->ax = 0x4f02;
+ pVbe->pInt10->bx = mode;
+ if (block) {
+ pVbe->pInt10->bx |= 1 << 11;
+ memcpy(pVbe->memory, block, sizeof(VbeCRTCInfoBlock));
+ pVbe->pInt10->es = SEG_ADDR(pVbe->real_mode_base);
+ pVbe->pInt10->di = SEG_OFF(pVbe->real_mode_base);
+ } else
+ pVbe->pInt10->bx &= ~(1 << 11);
+
+ xf86ExecX86int10(pVbe->pInt10);
+
+ return (R16(pVbe->pInt10->ax) == 0x4f);
+}
+
+Bool
+VBEGetVBEMode(vbeInfoPtr pVbe, int *mode)
+{
+ /*
+ Input:
+ AH := 4Fh Super VGA support
+ AL := 03h Return current video mode
+
+ Output:
+ AX := Status
+ BX := Current video mode
+ (All other registers are preserved)
+ */
+ pVbe->pInt10->num = 0x10;
+ pVbe->pInt10->ax = 0x4f03;
+
+ xf86ExecX86int10(pVbe->pInt10);
+
+ if (R16(pVbe->pInt10->ax) == 0x4f) {
+ *mode = R16(pVbe->pInt10->bx);
+
+ return (TRUE);
+ }
+
+ return (FALSE);
+}
+
+VbeModeInfoBlock *
+VBEGetModeInfo(vbeInfoPtr pVbe, int mode)
+{
+ VbeModeInfoBlock *block = NULL;
+
+ bzero(pVbe->memory, sizeof(VbeModeInfoBlock));
+
+ /*
+ Input:
+ AH := 4Fh Super VGA support
+ AL := 01h Return Super VGA mode information
+ CX := Super VGA video mode
+ (mode number must be one of those returned by Function 0)
+ ES:DI := Pointer to buffer
+
+ Output:
+ AX := status
+ (All other registers are preserved)
+ */
+ pVbe->pInt10->num = 0x10;
+ pVbe->pInt10->ax = 0x4f01;
+ pVbe->pInt10->cx = mode;
+ pVbe->pInt10->es = SEG_ADDR(pVbe->real_mode_base);
+ pVbe->pInt10->di = SEG_OFF(pVbe->real_mode_base);
+ xf86ExecX86int10(pVbe->pInt10);
+ if (R16(pVbe->pInt10->ax) != 0x4f)
+ return (NULL);
+
+ block = calloc(sizeof(VbeModeInfoBlock), 1);
+
+ block->ModeAttributes = *(CARD16*)pVbe->memory;
+ block->WinAAttributes = ((char*)pVbe->memory)[2];
+ block->WinBAttributes = ((char*)pVbe->memory)[3];
+ block->WinGranularity = *(CARD16*)(((char*)pVbe->memory) + 4);
+ block->WinSize = *(CARD16*)(((char*)pVbe->memory) + 6);
+ block->WinASegment = *(CARD16*)(((char*)pVbe->memory) + 8);
+ block->WinBSegment = *(CARD16*)(((char*)pVbe->memory) + 10);
+ block->WinFuncPtr = *(CARD32*)(((char*)pVbe->memory) + 12);
+ block->BytesPerScanline = *(CARD16*)(((char*)pVbe->memory) + 16);
+
+ /* mandatory information for VBE 1.2 and above */
+ block->XResolution = *(CARD16*)(((char*)pVbe->memory) + 18);
+ block->YResolution = *(CARD16*)(((char*)pVbe->memory) + 20);
+ block->XCharSize = ((char*)pVbe->memory)[22];
+ block->YCharSize = ((char*)pVbe->memory)[23];
+ block->NumberOfPlanes = ((char*)pVbe->memory)[24];
+ block->BitsPerPixel = ((char*)pVbe->memory)[25];
+ block->NumberOfBanks = ((char*)pVbe->memory)[26];
+ block->MemoryModel = ((char*)pVbe->memory)[27];
+ block->BankSize = ((char*)pVbe->memory)[28];
+ block->NumberOfImages = ((char*)pVbe->memory)[29];
+ block->Reserved = ((char*)pVbe->memory)[30];
+
+ /* Direct color fields (required for direct/6 and YUV/7 memory models) */
+ block->RedMaskSize = ((char*)pVbe->memory)[31];
+ block->RedFieldPosition = ((char*)pVbe->memory)[32];
+ block->GreenMaskSize = ((char*)pVbe->memory)[33];
+ block->GreenFieldPosition = ((char*)pVbe->memory)[34];
+ block->BlueMaskSize = ((char*)pVbe->memory)[35];
+ block->BlueFieldPosition = ((char*)pVbe->memory)[36];
+ block->RsvdMaskSize = ((char*)pVbe->memory)[37];
+ block->RsvdFieldPosition = ((char*)pVbe->memory)[38];
+ block->DirectColorModeInfo = ((char*)pVbe->memory)[39];
+
+ /* Mandatory information for VBE 2.0 and above */
+ if (pVbe->version >= 0x200) {
+ block->PhysBasePtr = *(CARD32*)(((char*)pVbe->memory) + 40);
+ block->Reserved32 = *(CARD32*)(((char*)pVbe->memory) + 44);
+ block->Reserved16 = *(CARD16*)(((char*)pVbe->memory) + 48);
+
+ /* Mandatory information for VBE 3.0 and above */
+ if (pVbe->version >= 0x300) {
+ block->LinBytesPerScanLine = *(CARD16*)(((char*)pVbe->memory) + 50);
+ block->BnkNumberOfImagePages = ((char*)pVbe->memory)[52];
+ block->LinNumberOfImagePages = ((char*)pVbe->memory)[53];
+ block->LinRedMaskSize = ((char*)pVbe->memory)[54];
+ block->LinRedFieldPosition = ((char*)pVbe->memory)[55];
+ block->LinGreenMaskSize = ((char*)pVbe->memory)[56];
+ block->LinGreenFieldPosition = ((char*)pVbe->memory)[57];
+ block->LinBlueMaskSize = ((char*)pVbe->memory)[58];
+ block->LinBlueFieldPosition = ((char*)pVbe->memory)[59];
+ block->LinRsvdMaskSize = ((char*)pVbe->memory)[60];
+ block->LinRsvdFieldPosition = ((char*)pVbe->memory)[61];
+ block->MaxPixelClock = *(CARD32*)(((char*)pVbe->memory) + 62);
+ memcpy(&block->Reserved2, ((char*)pVbe->memory) + 66, 188);
+ }
+ else
+ memcpy(&block->LinBytesPerScanLine, ((char*)pVbe->memory) + 50, 206);
+ }
+ else
+ memcpy(&block->PhysBasePtr, ((char*)pVbe->memory) + 40, 216);
+
+ return (block);
+}
+
+void
+VBEFreeModeInfo(VbeModeInfoBlock *block)
+{
+ free(block);
+}
+
+Bool
+VBESaveRestore(vbeInfoPtr pVbe, vbeSaveRestoreFunction function,
+ pointer *memory, int *size, int *real_mode_pages)
+{
+ /*
+ Input:
+ AH := 4Fh Super VGA support
+ AL := 04h Save/restore Super VGA video state
+ DL := 00h Return save/restore state buffer size
+ CX := Requested states
+ D0 = Save/restore video hardware state
+ D1 = Save/restore video BIOS data state
+ D2 = Save/restore video DAC state
+ D3 = Save/restore Super VGA state
+
+ Output:
+ AX = Status
+ BX = Number of 64-byte blocks to hold the state buffer
+ (All other registers are preserved)
+
+
+ Input:
+ AH := 4Fh Super VGA support
+ AL := 04h Save/restore Super VGA video state
+ DL := 01h Save Super VGA video state
+ CX := Requested states (see above)
+ ES:BX := Pointer to buffer
+
+ Output:
+ AX := Status
+ (All other registers are preserved)
+
+
+ Input:
+ AH := 4Fh Super VGA support
+ AL := 04h Save/restore Super VGA video state
+ DL := 02h Restore Super VGA video state
+ CX := Requested states (see above)
+ ES:BX := Pointer to buffer
+
+ Output:
+ AX := Status
+ (All other registers are preserved)
+ */
+
+ if ((pVbe->version & 0xff00) > 0x100) {
+ int screen = pVbe->pInt10->scrnIndex;
+ if (function == MODE_QUERY ||
+ (function == MODE_SAVE && !*memory)) {
+ /* Query amount of memory to save state */
+
+ pVbe->pInt10->num = 0x10;
+ pVbe->pInt10->ax = 0x4f04;
+ pVbe->pInt10->dx = 0;
+ pVbe->pInt10->cx = 0x000f;
+ xf86ExecX86int10(pVbe->pInt10);
+ if (R16(pVbe->pInt10->ax) != 0x4f)
+ return (FALSE);
+
+ if (function == MODE_SAVE) {
+ int npages = (R16(pVbe->pInt10->bx) * 64) / 4096 + 1;
+ if ((*memory = xf86Int10AllocPages(pVbe->pInt10, npages,
+ real_mode_pages)) == NULL) {
+ xf86DrvMsg(screen, X_ERROR,
+ "Cannot allocate memory to save SVGA state.\n");
+ return (FALSE);
+ }
+ }
+ *size = pVbe->pInt10->bx * 64;
+ }
+
+ /* Save/Restore Super VGA state */
+ if (function != MODE_QUERY) {
+
+ if (!*memory) return FALSE;
+ pVbe->pInt10->num = 0x10;
+ pVbe->pInt10->ax = 0x4f04;
+ switch (function) {
+ case MODE_SAVE:
+ pVbe->pInt10->dx = 1;
+ break;
+ case MODE_RESTORE:
+ pVbe->pInt10->dx = 2;
+ break;
+ case MODE_QUERY:
+ return FALSE;
+ }
+ pVbe->pInt10->cx = 0x000f;
+
+ pVbe->pInt10->es = SEG_ADDR(*real_mode_pages);
+ pVbe->pInt10->bx = SEG_OFF(*real_mode_pages);
+ xf86ExecX86int10(pVbe->pInt10);
+ return (R16(pVbe->pInt10->ax) == 0x4f);
+
+ }
+ }
+ return TRUE;
+}
+
+Bool
+VBEBankSwitch(vbeInfoPtr pVbe, unsigned int iBank, int window)
+{
+ /*
+ Input:
+ AH := 4Fh Super VGA support
+ AL := 05h
+
+ Output:
+ */
+ pVbe->pInt10->num = 0x10;
+ pVbe->pInt10->ax = 0x4f05;
+ pVbe->pInt10->bx = window;
+ pVbe->pInt10->dx = iBank;
+ xf86ExecX86int10(pVbe->pInt10);
+
+ if (R16(pVbe->pInt10->ax) != 0x4f)
+ return (FALSE);
+
+ return (TRUE);
+}
+
+Bool
+VBESetGetLogicalScanlineLength(vbeInfoPtr pVbe, vbeScanwidthCommand command,
+ int width, int *pixels, int *bytes, int *max)
+{
+ if (command < SCANWID_SET || command > SCANWID_GET_MAX)
+ return (FALSE);
+
+ /*
+ Input:
+ AX := 4F06h VBE Set/Get Logical Scan Line Length
+ BL := 00h Set Scan Line Length in Pixels
+ := 01h Get Scan Line Length
+ := 02h Set Scan Line Length in Bytes
+ := 03h Get Maximum Scan Line Length
+ CX := If BL=00h Desired Width in Pixels
+ If BL=02h Desired Width in Bytes
+ (Ignored for Get Functions)
+
+ Output:
+ AX := VBE Return Status
+ BX := Bytes Per Scan Line
+ CX := Actual Pixels Per Scan Line
+ (truncated to nearest complete pixel)
+ DX := Maximum Number of Scan Lines
+ */
+
+ pVbe->pInt10->num = 0x10;
+ pVbe->pInt10->ax = 0x4f06;
+ pVbe->pInt10->bx = command;
+ if (command == SCANWID_SET || command == SCANWID_SET_BYTES)
+ pVbe->pInt10->cx = width;
+ xf86ExecX86int10(pVbe->pInt10);
+
+ if (R16(pVbe->pInt10->ax) != 0x4f)
+ return (FALSE);
+
+ if (command == SCANWID_GET || command == SCANWID_GET_MAX) {
+ if (pixels)
+ *pixels = R16(pVbe->pInt10->cx);
+ if (bytes)
+ *bytes = R16(pVbe->pInt10->bx);
+ if (max)
+ *max = R16(pVbe->pInt10->dx);
+ }
+
+ return (TRUE);
+}
+
+Bool
+VBESetDisplayStart(vbeInfoPtr pVbe, int x, int y, Bool wait_retrace)
+{
+ pVbe->pInt10->num = 0x10;
+ pVbe->pInt10->ax = 0x4f07;
+ pVbe->pInt10->bx = wait_retrace ? 0x80 : 0x00;
+ pVbe->pInt10->cx = x;
+ pVbe->pInt10->dx = y;
+ xf86ExecX86int10(pVbe->pInt10);
+
+ if (R16(pVbe->pInt10->ax) != 0x4f)
+ return (FALSE);
+
+ return (TRUE);
+}
+
+Bool
+VBEGetDisplayStart(vbeInfoPtr pVbe, int *x, int *y)
+{
+ pVbe->pInt10->num = 0x10;
+ pVbe->pInt10->ax = 0x4f07;
+ pVbe->pInt10->bx = 0x01;
+ xf86ExecX86int10(pVbe->pInt10);
+
+ if (R16(pVbe->pInt10->ax) != 0x4f)
+ return (FALSE);
+
+ *x = pVbe->pInt10->cx;
+ *y = pVbe->pInt10->dx;
+
+ return (TRUE);
+}
+
+int
+VBESetGetDACPaletteFormat(vbeInfoPtr pVbe, int bits)
+{
+ /*
+ Input:
+ AX := 4F08h VBE Set/Get Palette Format
+ BL := 00h Set DAC Palette Format
+ := 01h Get DAC Palette Format
+ BH := Desired bits of color per primary
+ (Set DAC Palette Format only)
+
+ Output:
+ AX := VBE Return Status
+ BH := Current number of bits of color per primary
+ */
+
+ pVbe->pInt10->num = 0x10;
+ pVbe->pInt10->ax = 0x4f08;
+ if (!bits)
+ pVbe->pInt10->bx = 0x01;
+ else
+ pVbe->pInt10->bx = (bits & 0x00ff) << 8;
+ xf86ExecX86int10(pVbe->pInt10);
+
+ if (R16(pVbe->pInt10->ax) != 0x4f)
+ return (0);
+
+ return (bits != 0 ? bits : (pVbe->pInt10->bx >> 8) & 0x00ff);
+}
+
+CARD32 *
+VBESetGetPaletteData(vbeInfoPtr pVbe, Bool set, int first, int num,
+ CARD32 *data, Bool secondary, Bool wait_retrace)
+{
+ /*
+ Input:
+ (16-bit)
+ AX := 4F09h VBE Load/Unload Palette Data
+ BL := 00h Set Palette Data
+ := 01h Get Palette Data
+ := 02h Set Secondary Palette Data
+ := 03h Get Secondary Palette Data
+ := 80h Set Palette Data during Vertical Retrace
+ CX := Number of palette registers to update (to a maximum of 256)
+ DX := First of the palette registers to update (start)
+ ES:DI := Table of palette values (see below for format)
+
+ Output:
+ AX := VBE Return Status
+
+
+ Input:
+ (32-bit)
+ BL := 00h Set Palette Data
+ := 80h Set Palette Data during Vertical Retrace
+ CX := Number of palette registers to update (to a maximum of 256)
+ DX := First of the palette registers to update (start)
+ ES:EDI := Table of palette values (see below for format)
+ DS := Selector for memory mapped registers
+ */
+
+ pVbe->pInt10->num = 0x10;
+ pVbe->pInt10->ax = 0x4f09;
+ if (!secondary)
+ pVbe->pInt10->bx = set && wait_retrace ? 0x80 : set ? 0 : 1;
+ else
+ pVbe->pInt10->bx = set ? 2 : 3;
+ pVbe->pInt10->cx = num;
+ pVbe->pInt10->dx = first;
+ pVbe->pInt10->es = SEG_ADDR(pVbe->real_mode_base);
+ pVbe->pInt10->di = SEG_OFF(pVbe->real_mode_base);
+ if (set)
+ memcpy(pVbe->memory, data, num * sizeof(CARD32));
+ xf86ExecX86int10(pVbe->pInt10);
+
+ if (R16(pVbe->pInt10->ax) != 0x4f)
+ return (NULL);
+
+ if (set)
+ return (data);
+
+ data = malloc(num * sizeof(CARD32));
+ memcpy(data, pVbe->memory, num * sizeof(CARD32));
+
+ return (data);
+}
+
+VBEpmi *
+VBEGetVBEpmi(vbeInfoPtr pVbe)
+{
+ VBEpmi *pmi;
+
+ /*
+ Input:
+ AH := 4Fh Super VGA support
+ AL := 0Ah Protected Mode Interface
+ BL := 00h Return Protected Mode Table
+
+ Output:
+ AX := Status
+ ES := Real Mode Segment of Table
+ DI := Offset of Table
+ CX := Lenght of Table including protected mode code in bytes (for copying purposes)
+ (All other registers are preserved)
+ */
+
+ pVbe->pInt10->num = 0x10;
+ pVbe->pInt10->ax = 0x4f0a;
+ pVbe->pInt10->bx = 0;
+ pVbe->pInt10->di = 0;
+ xf86ExecX86int10(pVbe->pInt10);
+
+ if (R16(pVbe->pInt10->ax) != 0x4f)
+ return (NULL);
+
+ pmi = malloc(sizeof(VBEpmi));
+ pmi->seg_tbl = R16(pVbe->pInt10->es);
+ pmi->tbl_off = R16(pVbe->pInt10->di);
+ pmi->tbl_len = R16(pVbe->pInt10->cx);
+
+ return (pmi);
+}
+
+#if 0
+vbeModeInfoPtr
+VBEBuildVbeModeList(vbeInfoPtr pVbe, VbeInfoBlock *vbe)
+{
+ vbeModeInfoPtr ModeList = NULL;
+
+ int i = 0;
+ while (vbe->VideoModePtr[i] != 0xffff) {
+ vbeModeInfoPtr m;
+ VbeModeInfoBlock *mode;
+ int id = vbe->VideoModePtr[i++];
+ int bpp;
+
+ if ((mode = VBEGetModeInfo(pVbe, id)) == NULL)
+ continue;
+
+ bpp = mode->BitsPerPixel;
+
+ m = xnfcalloc(sizeof(vbeModeInfoRec),1);
+ m->width = mode->XResolution;
+ m->height = mode->YResolution;
+ m->bpp = bpp;
+ m->n = id;
+ m->next = ModeList;
+
+ xf86DrvMsgVerb(pVbe->pInt10->scrnIndex, X_PROBED, 3,
+ "BIOS reported VESA mode 0x%x: x:%i y:%i bpp:%i\n",
+ m->n, m->width, m->height, m->bpp);
+
+ ModeList = m;
+
+ VBEFreeModeInfo(mode);
+ }
+ return ModeList;
+}
+
+unsigned short
+VBECalcVbeModeIndex(vbeModeInfoPtr m, DisplayModePtr mode, int bpp)
+{
+ while (m) {
+ if (bpp == m->bpp
+ && mode->HDisplay == m->width
+ && mode->VDisplay == m->height)
+ return m->n;
+ m = m->next;
+ }
+ return 0;
+}
+#endif
+
+void
+VBEVesaSaveRestore(vbeInfoPtr pVbe, vbeSaveRestorePtr vbe_sr,
+ vbeSaveRestoreFunction function)
+{
+ Bool SaveSucc = FALSE;
+
+ if (VBE_VERSION_MAJOR(pVbe->version) > 1
+ && (function == MODE_SAVE || vbe_sr->pstate)) {
+ if (function == MODE_RESTORE)
+ memcpy(vbe_sr->state, vbe_sr->pstate, vbe_sr->stateSize);
+ ErrorF("VBESaveRestore\n");
+ if ((VBESaveRestore(pVbe,function,
+ (pointer)&vbe_sr->state,
+ &vbe_sr->stateSize,&vbe_sr->statePage))) {
+ if (function == MODE_SAVE) {
+ SaveSucc = TRUE;
+ vbe_sr->stateMode = -1; /* invalidate */
+ /* don't rely on the memory not being touched */
+ if (vbe_sr->pstate == NULL)
+ vbe_sr->pstate = malloc(vbe_sr->stateSize);
+ memcpy(vbe_sr->pstate, vbe_sr->state, vbe_sr->stateSize);
+ }
+ ErrorF("VBESaveRestore done with success\n");
+ return;
+ }
+ ErrorF("VBESaveRestore done\n");
+ }
+
+ if (function == MODE_SAVE && !SaveSucc)
+ (void)VBEGetVBEMode(pVbe, &vbe_sr->stateMode);
+
+ if (function == MODE_RESTORE && vbe_sr->stateMode != -1)
+ VBESetVBEMode(pVbe, vbe_sr->stateMode, NULL);
+
+}
+
+int
+VBEGetPixelClock(vbeInfoPtr pVbe, int mode, int clock)
+{
+ /*
+ Input:
+ AX := 4F0Bh VBE Get Pixel Clock
+ BL := 00h Get Pixel Clock
+ ECX := pixel clock in units of Hz
+ DX := mode number
+
+ Output:
+ AX := VBE Return Status
+ ECX := Closest pixel clock
+ */
+
+ pVbe->pInt10->num = 0x10;
+ pVbe->pInt10->ax = 0x4f0b;
+ pVbe->pInt10->bx = 0x00;
+ pVbe->pInt10->cx = clock;
+ pVbe->pInt10->dx = mode;
+ xf86ExecX86int10(pVbe->pInt10);
+
+ if (R16(pVbe->pInt10->ax) != 0x4f)
+ return (0);
+
+ return (pVbe->pInt10->cx);
+}
+
+Bool
+VBEDPMSSet(vbeInfoPtr pVbe, int mode)
+{
+ /*
+ Input:
+ AX := 4F10h DPMS
+ BL := 01h Set Display Power State
+ BH := requested power state
+
+ Output:
+ AX := VBE Return Status
+ */
+
+ pVbe->pInt10->num = 0x10;
+ pVbe->pInt10->ax = 0x4f10;
+ pVbe->pInt10->bx = 0x01;
+ switch (mode) {
+ case DPMSModeOn:
+ break;
+ case DPMSModeStandby:
+ pVbe->pInt10->bx |= 0x100;
+ break;
+ case DPMSModeSuspend:
+ pVbe->pInt10->bx |= 0x200;
+ break;
+ case DPMSModeOff:
+ pVbe->pInt10->bx |= 0x400;
+ break;
+ }
+ xf86ExecX86int10(pVbe->pInt10);
+ return (R16(pVbe->pInt10->ax) == 0x4f);
+}
+
+void
+VBEInterpretPanelID(int scrnIndex, struct vbePanelID *data)
+{
+ ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
+ DisplayModePtr mode;
+ const float PANEL_HZ = 60.0;
+
+ if (!data)
+ return;
+
+ xf86DrvMsg(scrnIndex, X_INFO, "PanelID returned panel resolution %dx%d\n",
+ data->hsize, data->vsize);
+
+ if (pScrn->monitor->nHsync || pScrn->monitor->nVrefresh)
+ return;
+
+ mode = xf86CVTMode(data->hsize, data->vsize, PANEL_HZ, 1, 0);
+
+ pScrn->monitor->nHsync = 1;
+ pScrn->monitor->hsync[0].lo = 31.5;
+ pScrn->monitor->hsync[0].hi = (float)mode->Clock / (float)mode->HTotal;
+ pScrn->monitor->nVrefresh = 1;
+ pScrn->monitor->vrefresh[0].lo = 56.0;
+ pScrn->monitor->vrefresh[0].hi =
+ (float)mode->Clock*1000.0 / (float)mode->HTotal / (float)mode->VTotal;
+
+ free(mode);
+}
+
+struct vbePanelID *
+VBEReadPanelID(vbeInfoPtr pVbe)
+{
+ int RealOff = pVbe->real_mode_base;
+ pointer page = pVbe->memory;
+ void *tmp = NULL;
+ int screen = pVbe->pInt10->scrnIndex;
+
+ pVbe->pInt10->ax = 0x4F11;
+ pVbe->pInt10->bx = 0x01;
+ pVbe->pInt10->cx = 0;
+ pVbe->pInt10->dx = 0;
+ pVbe->pInt10->es = SEG_ADDR(RealOff);
+ pVbe->pInt10->di = SEG_OFF(RealOff);
+ pVbe->pInt10->num = 0x10;
+
+ xf86ExecX86int10(pVbe->pInt10);
+
+ if ((pVbe->pInt10->ax & 0xff) != 0x4f) {
+ xf86DrvMsgVerb(screen,X_INFO,3,"VESA VBE PanelID invalid\n");
+ goto error;
+ }
+
+ switch (pVbe->pInt10->ax & 0xff00) {
+ case 0x0:
+ xf86DrvMsgVerb(screen,X_INFO,3,"VESA VBE PanelID read successfully\n");
+ tmp = xnfalloc(32);
+ memcpy(tmp, page, 32);
+ break;
+ case 0x100:
+ xf86DrvMsgVerb(screen,X_INFO,3,"VESA VBE PanelID read failed\n");
+ break;
+ default:
+ xf86DrvMsgVerb(screen,X_INFO,3,"VESA VBE PanelID unknown failure %i\n",
+ pVbe->pInt10->ax & 0xff00);
+ break;
+ }
+
+error:
+ return tmp;
+}
diff --git a/xorg-server/hw/xfree86/vbe/vbe.h b/xorg-server/hw/xfree86/vbe/vbe.h index b1ec5a9fb..4786709ea 100644 --- a/xorg-server/hw/xfree86/vbe/vbe.h +++ b/xorg-server/hw/xfree86/vbe/vbe.h @@ -1,341 +1,341 @@ - -/* - * XFree86 vbe module - * Copyright 2000 Egbert Eich - * - * The mode query/save/set/restore functions from the vesa driver - * have been moved here. - * Copyright (c) 2000 by Conectiva S.A. (http://www.conectiva.com) - * Authors: Paulo César Pereira de Andrade <pcpa@conectiva.com.br> - */ - -#ifndef _VBE_H -#define _VBE_H -#include "xf86int10.h" -#include "xf86DDC.h" - -typedef enum { - DDC_UNCHECKED, - DDC_NONE, - DDC_1, - DDC_2, - DDC_1_2 -} -ddc_lvl; - -typedef struct { - xf86Int10InfoPtr pInt10; - int version; - pointer memory; - int real_mode_base; - int num_pages; - Bool init_int10; - ddc_lvl ddc; - Bool ddc_blank; -} vbeInfoRec, *vbeInfoPtr; - -#define VBE_VERSION_MAJOR(x) *((CARD8*)(&x) + 1) -#define VBE_VERSION_MINOR(x) (CARD8)(x) - -extern _X_EXPORT vbeInfoPtr VBEInit(xf86Int10InfoPtr pInt, int entityIndex); -extern _X_EXPORT vbeInfoPtr VBEExtendedInit(xf86Int10InfoPtr pInt, int entityIndex, int Flags); -extern _X_EXPORT void vbeFree(vbeInfoPtr pVbe); -extern _X_EXPORT xf86MonPtr vbeDoEDID(vbeInfoPtr pVbe, pointer pDDCModule); - -#pragma pack(1) - -typedef struct vbeControllerInfoBlock { - CARD8 VbeSignature[4]; - CARD16 VbeVersion; - CARD32 OemStringPtr; - CARD8 Capabilities[4]; - CARD32 VideoModePtr; - CARD16 TotalMem; - CARD16 OemSoftwareRev; - CARD32 OemVendorNamePtr; - CARD32 OemProductNamePtr; - CARD32 OemProductRevPtr; - CARD8 Scratch[222]; - CARD8 OemData[256]; -} vbeControllerInfoRec, *vbeControllerInfoPtr; - -#if defined(__GNUC__) || defined(__USLC__) || defined(__SUNPRO_C) -#pragma pack() /* All GCC versions recognise this syntax */ -#else -#pragma pack(0) -#endif - -#ifndef __GNUC__ -#define __attribute__(a) -#endif - -typedef struct _VbeInfoBlock VbeInfoBlock; -typedef struct _VbeModeInfoBlock VbeModeInfoBlock; -typedef struct _VbeCRTCInfoBlock VbeCRTCInfoBlock; - -/* - * INT 0 - */ - -struct _VbeInfoBlock { - /* VESA 1.2 fields */ - CARD8 VESASignature[4]; /* VESA */ - CARD16 VESAVersion; /* Higher byte major, lower byte minor */ - /*CARD32*/char *OEMStringPtr; /* Pointer to OEM string */ - CARD8 Capabilities[4]; /* Capabilities of the video environment */ - - /*CARD32*/CARD16 *VideoModePtr; /* pointer to supported Super VGA modes */ - - CARD16 TotalMemory; /* Number of 64kb memory blocks on board */ - /* if not VESA 2, 236 scratch bytes follow (256 bytes total size) */ - - /* VESA 2 fields */ - CARD16 OemSoftwareRev; /* VBE implementation Software revision */ - /*CARD32*/char *OemVendorNamePtr; /* Pointer to Vendor Name String */ - /*CARD32*/char *OemProductNamePtr; /* Pointer to Product Name String */ - /*CARD32*/char *OemProductRevPtr; /* Pointer to Product Revision String */ - CARD8 Reserved[222]; /* Reserved for VBE implementation */ - CARD8 OemData[256]; /* Data Area for OEM Strings */ -} __attribute__((packed)); - -/* Return Super VGA Information */ -extern _X_EXPORT VbeInfoBlock *VBEGetVBEInfo(vbeInfoPtr pVbe); -extern _X_EXPORT void VBEFreeVBEInfo(VbeInfoBlock *block); - -/* - * INT 1 - */ - -struct _VbeModeInfoBlock { - CARD16 ModeAttributes; /* mode attributes */ - CARD8 WinAAttributes; /* window A attributes */ - CARD8 WinBAttributes; /* window B attributes */ - CARD16 WinGranularity; /* window granularity */ - CARD16 WinSize; /* window size */ - CARD16 WinASegment; /* window A start segment */ - CARD16 WinBSegment; /* window B start segment */ - CARD32 WinFuncPtr; /* real mode pointer to window function */ - CARD16 BytesPerScanline; /* bytes per scanline */ - - /* Mandatory information for VBE 1.2 and above */ - CARD16 XResolution; /* horizontal resolution in pixels or characters */ - CARD16 YResolution; /* vertical resolution in pixels or characters */ - CARD8 XCharSize; /* character cell width in pixels */ - CARD8 YCharSize; /* character cell height in pixels */ - CARD8 NumberOfPlanes; /* number of memory planes */ - CARD8 BitsPerPixel; /* bits per pixel */ - CARD8 NumberOfBanks; /* number of banks */ - CARD8 MemoryModel; /* memory model type */ - CARD8 BankSize; /* bank size in KB */ - CARD8 NumberOfImages; /* number of images */ - CARD8 Reserved; /* 1 */ /* reserved for page function */ - - /* Direct color fields (required for direct/6 and YUV/7 memory models) */ - CARD8 RedMaskSize; /* size of direct color red mask in bits */ - CARD8 RedFieldPosition; /* bit position of lsb of red mask */ - CARD8 GreenMaskSize; /* size of direct color green mask in bits */ - CARD8 GreenFieldPosition; /* bit position of lsb of green mask */ - CARD8 BlueMaskSize; /* size of direct color blue mask in bits */ - CARD8 BlueFieldPosition; /* bit position of lsb of blue mask */ - CARD8 RsvdMaskSize; /* size of direct color reserved mask in bits */ - CARD8 RsvdFieldPosition; /* bit position of lsb of reserved mask */ - CARD8 DirectColorModeInfo; /* direct color mode attributes */ - - /* Mandatory information for VBE 2.0 and above */ - CARD32 PhysBasePtr; /* physical address for flat memory frame buffer */ - CARD32 Reserved32; /* 0 */ /* Reserved - always set to 0 */ - CARD16 Reserved16; /* 0 */ /* Reserved - always set to 0 */ - - /* Mandatory information for VBE 3.0 and above */ - CARD16 LinBytesPerScanLine; /* bytes per scan line for linear modes */ - CARD8 BnkNumberOfImagePages; /* number of images for banked modes */ - CARD8 LinNumberOfImagePages; /* number of images for linear modes */ - CARD8 LinRedMaskSize; /* size of direct color red mask (linear modes) */ - CARD8 LinRedFieldPosition; /* bit position of lsb of red mask (linear modes) */ - CARD8 LinGreenMaskSize; /* size of direct color green mask (linear modes) */ - CARD8 LinGreenFieldPosition; /* bit position of lsb of green mask (linear modes) */ - CARD8 LinBlueMaskSize; /* size of direct color blue mask (linear modes) */ - CARD8 LinBlueFieldPosition; /* bit position of lsb of blue mask (linear modes) */ - CARD8 LinRsvdMaskSize; /* size of direct color reserved mask (linear modes) */ - CARD8 LinRsvdFieldPosition; /* bit position of lsb of reserved mask (linear modes) */ - CARD32 MaxPixelClock; /* maximum pixel clock (in Hz) for graphics mode */ - CARD8 Reserved2[189]; /* remainder of VbeModeInfoBlock */ -} __attribute__((packed)); - -/* Return VBE Mode Information */ -extern _X_EXPORT VbeModeInfoBlock *VBEGetModeInfo(vbeInfoPtr pVbe, int mode); -extern _X_EXPORT void VBEFreeModeInfo(VbeModeInfoBlock *block); - -/* - * INT2 - */ - -#define CRTC_DBLSCAN (1<<0) -#define CRTC_INTERLACE (1<<1) -#define CRTC_NHSYNC (1<<2) -#define CRTC_NVSYNC (1<<3) - -struct _VbeCRTCInfoBlock { - CARD16 HorizontalTotal; /* Horizontal total in pixels */ - CARD16 HorizontalSyncStart; /* Horizontal sync start in pixels */ - CARD16 HorizontalSyncEnd; /* Horizontal sync end in pixels */ - CARD16 VerticalTotal; /* Vertical total in lines */ - CARD16 VerticalSyncStart; /* Vertical sync start in lines */ - CARD16 VerticalSyncEnd; /* Vertical sync end in lines */ - CARD8 Flags; /* Flags (Interlaced, Double Scan etc) */ - CARD32 PixelClock; /* Pixel clock in units of Hz */ - CARD16 RefreshRate; /* Refresh rate in units of 0.01 Hz */ - CARD8 Reserved[40]; /* remainder of ModeInfoBlock */ -} __attribute__((packed)); -/* VbeCRTCInfoBlock is in the VESA 3.0 specs */ - -extern _X_EXPORT Bool VBESetVBEMode(vbeInfoPtr pVbe, int mode, VbeCRTCInfoBlock *crtc); - -/* - * INT 3 - */ - -extern _X_EXPORT Bool VBEGetVBEMode(vbeInfoPtr pVbe, int *mode); - -/* - * INT 4 - */ - -/* Save/Restore Super VGA video state */ -/* function values are (values stored in VESAPtr): - * 0 := query & allocate amount of memory to save state - * 1 := save state - * 2 := restore state - * - * function 0 called automatically if function 1 called without - * a previous call to function 0. - */ - -typedef enum { - MODE_QUERY, - MODE_SAVE, - MODE_RESTORE -} vbeSaveRestoreFunction; - -extern _X_EXPORT Bool -VBESaveRestore(vbeInfoPtr pVbe, vbeSaveRestoreFunction fuction, - pointer *memory, int *size, int *real_mode_pages); - -/* - * INT 5 - */ - -extern _X_EXPORT Bool -VBEBankSwitch(vbeInfoPtr pVbe, unsigned int iBank, int window); - -/* - * INT 6 - */ - -typedef enum { - SCANWID_SET, - SCANWID_GET, - SCANWID_SET_BYTES, - SCANWID_GET_MAX -} vbeScanwidthCommand; - -#define VBESetLogicalScanline(pVbe, width) \ - VBESetGetLogicalScanlineLength(pVbe, SCANWID_SET, width, \ - NULL, NULL, NULL) -#define VBESetLogicalScanlineBytes(pVbe, width) \ - VBESetGetLogicalScanlineLength(pVbe, SCANWID_SET_BYTES, width, \ - NULL, NULL, NULL) -#define VBEGetLogicalScanline(pVbe, pixels, bytes, max) \ - VBESetGetLogicalScanlineLength(pVbe, SCANWID_GET, 0, \ - pixels, bytes, max) -#define VBEGetMaxLogicalScanline(pVbe, pixels, bytes, max) \ - VBESetGetLogicalScanlineLength(pVbe, SCANWID_GET_MAX, 0, \ - pixels, bytes, max) -extern _X_EXPORT Bool VBESetGetLogicalScanlineLength(vbeInfoPtr pVbe, - vbeScanwidthCommand command, int width, - int *pixels, int *bytes, int *max); - -/* - * INT 7 - */ - -/* 16 bit code */ -extern _X_EXPORT Bool VBESetDisplayStart(vbeInfoPtr pVbe, int x, int y, Bool wait_retrace); -extern _X_EXPORT Bool VBEGetDisplayStart(vbeInfoPtr pVbe, int *x, int *y); - -/* - * INT 8 - */ - -/* if bits is 0, then it is a GET */ -extern _X_EXPORT int VBESetGetDACPaletteFormat(vbeInfoPtr pVbe, int bits); - -/* - * INT 9 - */ - -/* - * If getting a palette, the data argument is not used. It will return - * the data. - * If setting a palette, it will return the pointer received on success, - * NULL on failure. - */ -extern _X_EXPORT CARD32 *VBESetGetPaletteData(vbeInfoPtr pVbe, Bool set, int first, int num, - CARD32 *data, Bool secondary, Bool wait_retrace); -#define VBEFreePaletteData(data) xfree(data) - -/* - * INT A - */ - -typedef struct _VBEpmi { - int seg_tbl; - int tbl_off; - int tbl_len; -} VBEpmi; - -extern _X_EXPORT VBEpmi *VBEGetVBEpmi(vbeInfoPtr pVbe); -#define VESAFreeVBEpmi(pmi) xfree(pmi) - -/* high level helper functions */ - -typedef struct _vbeModeInfoRec { - int width; - int height; - int bpp; - int n; - struct _vbeModeInfoRec *next; -} vbeModeInfoRec, *vbeModeInfoPtr; - -typedef struct { - CARD8 *state; - CARD8 *pstate; - int statePage; - int stateSize; - int stateMode; -} vbeSaveRestoreRec, *vbeSaveRestorePtr; - -extern _X_EXPORT void -VBEVesaSaveRestore(vbeInfoPtr pVbe, vbeSaveRestorePtr vbe_sr, - vbeSaveRestoreFunction function); - -extern _X_EXPORT int VBEGetPixelClock(vbeInfoPtr pVbe, int mode, int Clock); -extern _X_EXPORT Bool VBEDPMSSet(vbeInfoPtr pVbe, int mode); - -struct vbePanelID { - short hsize; - short vsize; - short fptype; - char redbpp; - char greenbpp; - char bluebpp; - char reservedbpp; - int reserved_offscreen_mem_size; - int reserved_offscreen_mem_pointer; - char reserved[14]; -}; - -extern _X_EXPORT void VBEInterpretPanelID(int scrnIndex, struct vbePanelID *data); -extern _X_EXPORT struct vbePanelID *VBEReadPanelID(vbeInfoPtr pVbe); - -#endif +
+/*
+ * XFree86 vbe module
+ * Copyright 2000 Egbert Eich
+ *
+ * The mode query/save/set/restore functions from the vesa driver
+ * have been moved here.
+ * Copyright (c) 2000 by Conectiva S.A. (http://www.conectiva.com)
+ * Authors: Paulo César Pereira de Andrade <pcpa@conectiva.com.br>
+ */
+
+#ifndef _VBE_H
+#define _VBE_H
+#include "xf86int10.h"
+#include "xf86DDC.h"
+
+typedef enum {
+ DDC_UNCHECKED,
+ DDC_NONE,
+ DDC_1,
+ DDC_2,
+ DDC_1_2
+}
+ddc_lvl;
+
+typedef struct {
+ xf86Int10InfoPtr pInt10;
+ int version;
+ pointer memory;
+ int real_mode_base;
+ int num_pages;
+ Bool init_int10;
+ ddc_lvl ddc;
+ Bool ddc_blank;
+} vbeInfoRec, *vbeInfoPtr;
+
+#define VBE_VERSION_MAJOR(x) *((CARD8*)(&x) + 1)
+#define VBE_VERSION_MINOR(x) (CARD8)(x)
+
+extern _X_EXPORT vbeInfoPtr VBEInit(xf86Int10InfoPtr pInt, int entityIndex);
+extern _X_EXPORT vbeInfoPtr VBEExtendedInit(xf86Int10InfoPtr pInt, int entityIndex, int Flags);
+extern _X_EXPORT void vbeFree(vbeInfoPtr pVbe);
+extern _X_EXPORT xf86MonPtr vbeDoEDID(vbeInfoPtr pVbe, pointer pDDCModule);
+
+#pragma pack(1)
+
+typedef struct vbeControllerInfoBlock {
+ CARD8 VbeSignature[4];
+ CARD16 VbeVersion;
+ CARD32 OemStringPtr;
+ CARD8 Capabilities[4];
+ CARD32 VideoModePtr;
+ CARD16 TotalMem;
+ CARD16 OemSoftwareRev;
+ CARD32 OemVendorNamePtr;
+ CARD32 OemProductNamePtr;
+ CARD32 OemProductRevPtr;
+ CARD8 Scratch[222];
+ CARD8 OemData[256];
+} vbeControllerInfoRec, *vbeControllerInfoPtr;
+
+#if defined(__GNUC__) || defined(__USLC__) || defined(__SUNPRO_C)
+#pragma pack() /* All GCC versions recognise this syntax */
+#else
+#pragma pack(0)
+#endif
+
+#ifndef __GNUC__
+#define __attribute__(a)
+#endif
+
+typedef struct _VbeInfoBlock VbeInfoBlock;
+typedef struct _VbeModeInfoBlock VbeModeInfoBlock;
+typedef struct _VbeCRTCInfoBlock VbeCRTCInfoBlock;
+
+/*
+ * INT 0
+ */
+
+struct _VbeInfoBlock {
+ /* VESA 1.2 fields */
+ CARD8 VESASignature[4]; /* VESA */
+ CARD16 VESAVersion; /* Higher byte major, lower byte minor */
+ /*CARD32*/char *OEMStringPtr; /* Pointer to OEM string */
+ CARD8 Capabilities[4]; /* Capabilities of the video environment */
+
+ /*CARD32*/CARD16 *VideoModePtr; /* pointer to supported Super VGA modes */
+
+ CARD16 TotalMemory; /* Number of 64kb memory blocks on board */
+ /* if not VESA 2, 236 scratch bytes follow (256 bytes total size) */
+
+ /* VESA 2 fields */
+ CARD16 OemSoftwareRev; /* VBE implementation Software revision */
+ /*CARD32*/char *OemVendorNamePtr; /* Pointer to Vendor Name String */
+ /*CARD32*/char *OemProductNamePtr; /* Pointer to Product Name String */
+ /*CARD32*/char *OemProductRevPtr; /* Pointer to Product Revision String */
+ CARD8 Reserved[222]; /* Reserved for VBE implementation */
+ CARD8 OemData[256]; /* Data Area for OEM Strings */
+} __attribute__((packed));
+
+/* Return Super VGA Information */
+extern _X_EXPORT VbeInfoBlock *VBEGetVBEInfo(vbeInfoPtr pVbe);
+extern _X_EXPORT void VBEFreeVBEInfo(VbeInfoBlock *block);
+
+/*
+ * INT 1
+ */
+
+struct _VbeModeInfoBlock {
+ CARD16 ModeAttributes; /* mode attributes */
+ CARD8 WinAAttributes; /* window A attributes */
+ CARD8 WinBAttributes; /* window B attributes */
+ CARD16 WinGranularity; /* window granularity */
+ CARD16 WinSize; /* window size */
+ CARD16 WinASegment; /* window A start segment */
+ CARD16 WinBSegment; /* window B start segment */
+ CARD32 WinFuncPtr; /* real mode pointer to window function */
+ CARD16 BytesPerScanline; /* bytes per scanline */
+
+ /* Mandatory information for VBE 1.2 and above */
+ CARD16 XResolution; /* horizontal resolution in pixels or characters */
+ CARD16 YResolution; /* vertical resolution in pixels or characters */
+ CARD8 XCharSize; /* character cell width in pixels */
+ CARD8 YCharSize; /* character cell height in pixels */
+ CARD8 NumberOfPlanes; /* number of memory planes */
+ CARD8 BitsPerPixel; /* bits per pixel */
+ CARD8 NumberOfBanks; /* number of banks */
+ CARD8 MemoryModel; /* memory model type */
+ CARD8 BankSize; /* bank size in KB */
+ CARD8 NumberOfImages; /* number of images */
+ CARD8 Reserved; /* 1 */ /* reserved for page function */
+
+ /* Direct color fields (required for direct/6 and YUV/7 memory models) */
+ CARD8 RedMaskSize; /* size of direct color red mask in bits */
+ CARD8 RedFieldPosition; /* bit position of lsb of red mask */
+ CARD8 GreenMaskSize; /* size of direct color green mask in bits */
+ CARD8 GreenFieldPosition; /* bit position of lsb of green mask */
+ CARD8 BlueMaskSize; /* size of direct color blue mask in bits */
+ CARD8 BlueFieldPosition; /* bit position of lsb of blue mask */
+ CARD8 RsvdMaskSize; /* size of direct color reserved mask in bits */
+ CARD8 RsvdFieldPosition; /* bit position of lsb of reserved mask */
+ CARD8 DirectColorModeInfo; /* direct color mode attributes */
+
+ /* Mandatory information for VBE 2.0 and above */
+ CARD32 PhysBasePtr; /* physical address for flat memory frame buffer */
+ CARD32 Reserved32; /* 0 */ /* Reserved - always set to 0 */
+ CARD16 Reserved16; /* 0 */ /* Reserved - always set to 0 */
+
+ /* Mandatory information for VBE 3.0 and above */
+ CARD16 LinBytesPerScanLine; /* bytes per scan line for linear modes */
+ CARD8 BnkNumberOfImagePages; /* number of images for banked modes */
+ CARD8 LinNumberOfImagePages; /* number of images for linear modes */
+ CARD8 LinRedMaskSize; /* size of direct color red mask (linear modes) */
+ CARD8 LinRedFieldPosition; /* bit position of lsb of red mask (linear modes) */
+ CARD8 LinGreenMaskSize; /* size of direct color green mask (linear modes) */
+ CARD8 LinGreenFieldPosition; /* bit position of lsb of green mask (linear modes) */
+ CARD8 LinBlueMaskSize; /* size of direct color blue mask (linear modes) */
+ CARD8 LinBlueFieldPosition; /* bit position of lsb of blue mask (linear modes) */
+ CARD8 LinRsvdMaskSize; /* size of direct color reserved mask (linear modes) */
+ CARD8 LinRsvdFieldPosition; /* bit position of lsb of reserved mask (linear modes) */
+ CARD32 MaxPixelClock; /* maximum pixel clock (in Hz) for graphics mode */
+ CARD8 Reserved2[189]; /* remainder of VbeModeInfoBlock */
+} __attribute__((packed));
+
+/* Return VBE Mode Information */
+extern _X_EXPORT VbeModeInfoBlock *VBEGetModeInfo(vbeInfoPtr pVbe, int mode);
+extern _X_EXPORT void VBEFreeModeInfo(VbeModeInfoBlock *block);
+
+/*
+ * INT2
+ */
+
+#define CRTC_DBLSCAN (1<<0)
+#define CRTC_INTERLACE (1<<1)
+#define CRTC_NHSYNC (1<<2)
+#define CRTC_NVSYNC (1<<3)
+
+struct _VbeCRTCInfoBlock {
+ CARD16 HorizontalTotal; /* Horizontal total in pixels */
+ CARD16 HorizontalSyncStart; /* Horizontal sync start in pixels */
+ CARD16 HorizontalSyncEnd; /* Horizontal sync end in pixels */
+ CARD16 VerticalTotal; /* Vertical total in lines */
+ CARD16 VerticalSyncStart; /* Vertical sync start in lines */
+ CARD16 VerticalSyncEnd; /* Vertical sync end in lines */
+ CARD8 Flags; /* Flags (Interlaced, Double Scan etc) */
+ CARD32 PixelClock; /* Pixel clock in units of Hz */
+ CARD16 RefreshRate; /* Refresh rate in units of 0.01 Hz */
+ CARD8 Reserved[40]; /* remainder of ModeInfoBlock */
+} __attribute__((packed));
+/* VbeCRTCInfoBlock is in the VESA 3.0 specs */
+
+extern _X_EXPORT Bool VBESetVBEMode(vbeInfoPtr pVbe, int mode, VbeCRTCInfoBlock *crtc);
+
+/*
+ * INT 3
+ */
+
+extern _X_EXPORT Bool VBEGetVBEMode(vbeInfoPtr pVbe, int *mode);
+
+/*
+ * INT 4
+ */
+
+/* Save/Restore Super VGA video state */
+/* function values are (values stored in VESAPtr):
+ * 0 := query & allocate amount of memory to save state
+ * 1 := save state
+ * 2 := restore state
+ *
+ * function 0 called automatically if function 1 called without
+ * a previous call to function 0.
+ */
+
+typedef enum {
+ MODE_QUERY,
+ MODE_SAVE,
+ MODE_RESTORE
+} vbeSaveRestoreFunction;
+
+extern _X_EXPORT Bool
+VBESaveRestore(vbeInfoPtr pVbe, vbeSaveRestoreFunction fuction,
+ pointer *memory, int *size, int *real_mode_pages);
+
+/*
+ * INT 5
+ */
+
+extern _X_EXPORT Bool
+VBEBankSwitch(vbeInfoPtr pVbe, unsigned int iBank, int window);
+
+/*
+ * INT 6
+ */
+
+typedef enum {
+ SCANWID_SET,
+ SCANWID_GET,
+ SCANWID_SET_BYTES,
+ SCANWID_GET_MAX
+} vbeScanwidthCommand;
+
+#define VBESetLogicalScanline(pVbe, width) \
+ VBESetGetLogicalScanlineLength(pVbe, SCANWID_SET, width, \
+ NULL, NULL, NULL)
+#define VBESetLogicalScanlineBytes(pVbe, width) \
+ VBESetGetLogicalScanlineLength(pVbe, SCANWID_SET_BYTES, width, \
+ NULL, NULL, NULL)
+#define VBEGetLogicalScanline(pVbe, pixels, bytes, max) \
+ VBESetGetLogicalScanlineLength(pVbe, SCANWID_GET, 0, \
+ pixels, bytes, max)
+#define VBEGetMaxLogicalScanline(pVbe, pixels, bytes, max) \
+ VBESetGetLogicalScanlineLength(pVbe, SCANWID_GET_MAX, 0, \
+ pixels, bytes, max)
+extern _X_EXPORT Bool VBESetGetLogicalScanlineLength(vbeInfoPtr pVbe,
+ vbeScanwidthCommand command, int width,
+ int *pixels, int *bytes, int *max);
+
+/*
+ * INT 7
+ */
+
+/* 16 bit code */
+extern _X_EXPORT Bool VBESetDisplayStart(vbeInfoPtr pVbe, int x, int y, Bool wait_retrace);
+extern _X_EXPORT Bool VBEGetDisplayStart(vbeInfoPtr pVbe, int *x, int *y);
+
+/*
+ * INT 8
+ */
+
+/* if bits is 0, then it is a GET */
+extern _X_EXPORT int VBESetGetDACPaletteFormat(vbeInfoPtr pVbe, int bits);
+
+/*
+ * INT 9
+ */
+
+/*
+ * If getting a palette, the data argument is not used. It will return
+ * the data.
+ * If setting a palette, it will return the pointer received on success,
+ * NULL on failure.
+ */
+extern _X_EXPORT CARD32 *VBESetGetPaletteData(vbeInfoPtr pVbe, Bool set, int first, int num,
+ CARD32 *data, Bool secondary, Bool wait_retrace);
+#define VBEFreePaletteData(data) free(data)
+
+/*
+ * INT A
+ */
+
+typedef struct _VBEpmi {
+ int seg_tbl;
+ int tbl_off;
+ int tbl_len;
+} VBEpmi;
+
+extern _X_EXPORT VBEpmi *VBEGetVBEpmi(vbeInfoPtr pVbe);
+#define VESAFreeVBEpmi(pmi) free(pmi)
+
+/* high level helper functions */
+
+typedef struct _vbeModeInfoRec {
+ int width;
+ int height;
+ int bpp;
+ int n;
+ struct _vbeModeInfoRec *next;
+} vbeModeInfoRec, *vbeModeInfoPtr;
+
+typedef struct {
+ CARD8 *state;
+ CARD8 *pstate;
+ int statePage;
+ int stateSize;
+ int stateMode;
+} vbeSaveRestoreRec, *vbeSaveRestorePtr;
+
+extern _X_EXPORT void
+VBEVesaSaveRestore(vbeInfoPtr pVbe, vbeSaveRestorePtr vbe_sr,
+ vbeSaveRestoreFunction function);
+
+extern _X_EXPORT int VBEGetPixelClock(vbeInfoPtr pVbe, int mode, int Clock);
+extern _X_EXPORT Bool VBEDPMSSet(vbeInfoPtr pVbe, int mode);
+
+struct vbePanelID {
+ short hsize;
+ short vsize;
+ short fptype;
+ char redbpp;
+ char greenbpp;
+ char bluebpp;
+ char reservedbpp;
+ int reserved_offscreen_mem_size;
+ int reserved_offscreen_mem_pointer;
+ char reserved[14];
+};
+
+extern _X_EXPORT void VBEInterpretPanelID(int scrnIndex, struct vbePanelID *data);
+extern _X_EXPORT struct vbePanelID *VBEReadPanelID(vbeInfoPtr pVbe);
+
+#endif
diff --git a/xorg-server/hw/xfree86/vbe/vbeModes.c b/xorg-server/hw/xfree86/vbe/vbeModes.c index 1a4d2407c..5b69b0096 100644 --- a/xorg-server/hw/xfree86/vbe/vbeModes.c +++ b/xorg-server/hw/xfree86/vbe/vbeModes.c @@ -1,451 +1,451 @@ -#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> - * - */ - -#ifdef HAVE_XORG_CONFIG_H -#include <xorg-config.h> -#endif - -#include <stdio.h> -#include <string.h> - -#include "xf86.h" -#include "vbe.h" -#include "vbeModes.h" - -static int -GetDepthFlag(vbeInfoPtr pVbe, int id) -{ - VbeModeInfoBlock *mode; - int bpp; - - if ((mode = VBEGetModeInfo(pVbe, id)) == NULL) - return 0; - - if (VBE_MODE_USABLE(mode, 0)) { - int depth; - - if (VBE_MODE_COLOR(mode)) { - depth = mode->RedMaskSize + mode->GreenMaskSize + - mode->BlueMaskSize; - } else { - depth = 1; - } - bpp = mode->BitsPerPixel; - VBEFreeModeInfo(mode); - mode = NULL; - switch (depth) { - case 1: - return V_DEPTH_1; - case 4: - return V_DEPTH_4; - case 8: - return V_DEPTH_8; - case 15: - return V_DEPTH_15; - case 16: - return V_DEPTH_16; - case 24: - switch (bpp) { - case 24: - return V_DEPTH_24_24; - case 32: - return V_DEPTH_24_32; - } - } - } - if (mode) - VBEFreeModeInfo(mode); - return 0; -} - -/* - * Find supported mode depths. - */ -int -VBEFindSupportedDepths(vbeInfoPtr pVbe, VbeInfoBlock *vbe, int *flags24, - int modeTypes) -{ - int i = 0; - int depths = 0; - - if (modeTypes & V_MODETYPE_VBE) { - while (vbe->VideoModePtr[i] != 0xffff) { - depths |= GetDepthFlag(pVbe, vbe->VideoModePtr[i++]); - } - } - - /* - * XXX This possibly only works with VBE 3.0 and later. - */ - if (modeTypes & V_MODETYPE_VGA) { - for (i = 0; i < 0x7F; i++) { - depths |= GetDepthFlag(pVbe, i); - } - } - - if (flags24) { - if (depths & V_DEPTH_24_24) - *flags24 |= Support24bppFb; - if (depths & V_DEPTH_24_32) - *flags24 |= Support32bppFb; - } - - return depths; -} - -static DisplayModePtr -CheckMode(ScrnInfoPtr pScrn, vbeInfoPtr pVbe, VbeInfoBlock *vbe, int id, - int flags) -{ - CARD16 major; - VbeModeInfoBlock *mode; - DisplayModePtr pMode; - VbeModeInfoData *data; - Bool modeOK = FALSE; - - major = (unsigned)(vbe->VESAVersion >> 8); - - if ((mode = VBEGetModeInfo(pVbe, id)) == NULL) - return NULL; - - /* Does the mode match the depth/bpp? */ - /* Some BIOS's set BitsPerPixel to 15 instead of 16 for 15/16 */ - if (VBE_MODE_USABLE(mode, flags) && - ((pScrn->bitsPerPixel == 1 && !VBE_MODE_COLOR(mode)) || - (mode->BitsPerPixel > 8 && - (mode->RedMaskSize + mode->GreenMaskSize + - mode->BlueMaskSize) == pScrn->depth && - mode->BitsPerPixel == pScrn->bitsPerPixel) || - (mode->BitsPerPixel == 15 && pScrn->depth == 15) || - (mode->BitsPerPixel <= 8 && - mode->BitsPerPixel == pScrn->bitsPerPixel))) { - modeOK = TRUE; - xf86ErrorFVerb(DEBUG_VERB, "*"); - } - - xf86ErrorFVerb(DEBUG_VERB, - "Mode: %x (%dx%d)\n", id, mode->XResolution, mode->YResolution); - xf86ErrorFVerb(DEBUG_VERB, - " ModeAttributes: 0x%x\n", mode->ModeAttributes); - xf86ErrorFVerb(DEBUG_VERB, - " WinAAttributes: 0x%x\n", mode->WinAAttributes); - xf86ErrorFVerb(DEBUG_VERB, - " WinBAttributes: 0x%x\n", mode->WinBAttributes); - xf86ErrorFVerb(DEBUG_VERB, - " WinGranularity: %d\n", mode->WinGranularity); - xf86ErrorFVerb(DEBUG_VERB, - " WinSize: %d\n", mode->WinSize); - xf86ErrorFVerb(DEBUG_VERB, - " WinASegment: 0x%x\n", mode->WinASegment); - xf86ErrorFVerb(DEBUG_VERB, - " WinBSegment: 0x%x\n", mode->WinBSegment); - xf86ErrorFVerb(DEBUG_VERB, - " WinFuncPtr: 0x%lx\n", (unsigned long)mode->WinFuncPtr); - xf86ErrorFVerb(DEBUG_VERB, - " BytesPerScanline: %d\n", mode->BytesPerScanline); - xf86ErrorFVerb(DEBUG_VERB, - " XResolution: %d\n", mode->XResolution); - xf86ErrorFVerb(DEBUG_VERB, - " YResolution: %d\n", mode->YResolution); - xf86ErrorFVerb(DEBUG_VERB, - " XCharSize: %d\n", mode->XCharSize); - xf86ErrorFVerb(DEBUG_VERB, - " YCharSize: %d\n", mode->YCharSize); - xf86ErrorFVerb(DEBUG_VERB, - " NumberOfPlanes: %d\n", mode->NumberOfPlanes); - xf86ErrorFVerb(DEBUG_VERB, - " BitsPerPixel: %d\n", mode->BitsPerPixel); - xf86ErrorFVerb(DEBUG_VERB, - " NumberOfBanks: %d\n", mode->NumberOfBanks); - xf86ErrorFVerb(DEBUG_VERB, - " MemoryModel: %d\n", mode->MemoryModel); - xf86ErrorFVerb(DEBUG_VERB, - " BankSize: %d\n", mode->BankSize); - xf86ErrorFVerb(DEBUG_VERB, - " NumberOfImages: %d\n", mode->NumberOfImages); - xf86ErrorFVerb(DEBUG_VERB, - " RedMaskSize: %d\n", mode->RedMaskSize); - xf86ErrorFVerb(DEBUG_VERB, - " RedFieldPosition: %d\n", mode->RedFieldPosition); - xf86ErrorFVerb(DEBUG_VERB, - " GreenMaskSize: %d\n", mode->GreenMaskSize); - xf86ErrorFVerb(DEBUG_VERB, - " GreenFieldPosition: %d\n", mode->GreenFieldPosition); - xf86ErrorFVerb(DEBUG_VERB, - " BlueMaskSize: %d\n", mode->BlueMaskSize); - xf86ErrorFVerb(DEBUG_VERB, - " BlueFieldPosition: %d\n", mode->BlueFieldPosition); - xf86ErrorFVerb(DEBUG_VERB, - " RsvdMaskSize: %d\n", mode->RsvdMaskSize); - xf86ErrorFVerb(DEBUG_VERB, - " RsvdFieldPosition: %d\n", mode->RsvdFieldPosition); - xf86ErrorFVerb(DEBUG_VERB, - " DirectColorModeInfo: %d\n", mode->DirectColorModeInfo); - if (major >= 2) { - xf86ErrorFVerb(DEBUG_VERB, - " PhysBasePtr: 0x%lx\n", - (unsigned long)mode->PhysBasePtr); - if (major >= 3) { - xf86ErrorFVerb(DEBUG_VERB, - " LinBytesPerScanLine: %d\n", mode->LinBytesPerScanLine); - xf86ErrorFVerb(DEBUG_VERB, - " BnkNumberOfImagePages: %d\n", mode->BnkNumberOfImagePages); - xf86ErrorFVerb(DEBUG_VERB, - " LinNumberOfImagePages: %d\n", mode->LinNumberOfImagePages); - xf86ErrorFVerb(DEBUG_VERB, - " LinRedMaskSize: %d\n", mode->LinRedMaskSize); - xf86ErrorFVerb(DEBUG_VERB, - " LinRedFieldPosition: %d\n", mode->LinRedFieldPosition); - xf86ErrorFVerb(DEBUG_VERB, - " LinGreenMaskSize: %d\n", mode->LinGreenMaskSize); - xf86ErrorFVerb(DEBUG_VERB, - " LinGreenFieldPosition: %d\n", mode->LinGreenFieldPosition); - xf86ErrorFVerb(DEBUG_VERB, - " LinBlueMaskSize: %d\n", mode->LinBlueMaskSize); - xf86ErrorFVerb(DEBUG_VERB, - " LinBlueFieldPosition: %d\n", mode->LinBlueFieldPosition); - xf86ErrorFVerb(DEBUG_VERB, - " LinRsvdMaskSize: %d\n", mode->LinRsvdMaskSize); - xf86ErrorFVerb(DEBUG_VERB, - " LinRsvdFieldPosition: %d\n", mode->LinRsvdFieldPosition); - xf86ErrorFVerb(DEBUG_VERB, - " MaxPixelClock: %ld\n", (unsigned long)mode->MaxPixelClock); - } - } - - if (!modeOK) { - VBEFreeModeInfo(mode); - return NULL; - } - pMode = xnfcalloc(sizeof(DisplayModeRec), 1); - - pMode->status = MODE_OK; - pMode->type = M_T_BUILTIN; - - /* for adjust frame */ - pMode->HDisplay = mode->XResolution; - pMode->VDisplay = mode->YResolution; - - data = xnfcalloc(sizeof(VbeModeInfoData), 1); - data->mode = id; - data->data = mode; - pMode->PrivSize = sizeof(VbeModeInfoData); - pMode->Private = (INT32*)data; - pMode->next = NULL; - return pMode; -} - -/* - * Check the available BIOS modes, and extract those that match the - * requirements into the modePool. Note: modePool is a NULL-terminated - * list. - */ - -DisplayModePtr -VBEGetModePool(ScrnInfoPtr pScrn, vbeInfoPtr pVbe, VbeInfoBlock *vbe, - int modeTypes) -{ - DisplayModePtr pMode, p = NULL, modePool = NULL; - int i = 0; - - if (modeTypes & V_MODETYPE_VBE) { - while (vbe->VideoModePtr[i] != 0xffff) { - int id = vbe->VideoModePtr[i++]; - - if ((pMode = CheckMode(pScrn, pVbe, vbe, id, modeTypes)) != NULL) { - ModeStatus status = MODE_OK; - - /* Check the mode against a specified virtual size (if any) */ - if (pScrn->display->virtualX > 0 && - pMode->HDisplay > pScrn->display->virtualX) { - status = MODE_VIRTUAL_X; - } - if (pScrn->display->virtualY > 0 && - pMode->VDisplay > pScrn->display->virtualY) { - status = MODE_VIRTUAL_Y; - } - if (status != MODE_OK) { - xf86DrvMsg(pScrn->scrnIndex, X_INFO, - "Not using mode \"%dx%d\" (%s)\n", - pMode->HDisplay, pMode->VDisplay, - xf86ModeStatusToString(status)); - } else { - if (p == NULL) { - modePool = pMode; - } else { - p->next = pMode; - } - pMode->prev = NULL; - p = pMode; - } - } - } - } - if (modeTypes & V_MODETYPE_VGA) { - for (i = 0; i < 0x7F; i++) { - if ((pMode = CheckMode(pScrn, pVbe, vbe, i, modeTypes)) != NULL) { - ModeStatus status = MODE_OK; - - /* Check the mode against a specified virtual size (if any) */ - if (pScrn->display->virtualX > 0 && - pMode->HDisplay > pScrn->display->virtualX) { - status = MODE_VIRTUAL_X; - } - if (pScrn->display->virtualY > 0 && - pMode->VDisplay > pScrn->display->virtualY) { - status = MODE_VIRTUAL_Y; - } - if (status != MODE_OK) { - xf86DrvMsg(pScrn->scrnIndex, X_INFO, - "Not using mode \"%dx%d\" (%s)\n", - pMode->HDisplay, pMode->VDisplay, - xf86ModeStatusToString(status)); - } else { - if (p == NULL) { - modePool = pMode; - } else { - p->next = pMode; - } - pMode->prev = NULL; - p = pMode; - } - } - } - } - return modePool; -} - -void -VBESetModeNames(DisplayModePtr pMode) -{ - if (!pMode) - return; - - do { - if (!pMode->name) { - /* Catch "bad" modes. */ - if (pMode->HDisplay > 10000 || pMode->HDisplay < 0 || - pMode->VDisplay > 10000 || pMode->VDisplay < 0) { - pMode->name = strdup("BADMODE"); - } else { - pMode->name = xnfalloc(4 + 1 + 4 + 1); - sprintf(pMode->name, "%dx%d", pMode->HDisplay, pMode->VDisplay); - } - } - pMode = pMode->next; - } while (pMode); -} - -/* - * Go through the monitor modes and selecting the best set of - * parameters for each BIOS mode. Note: This is only supported in - * VBE version 3.0 or later. - */ -void -VBESetModeParameters(ScrnInfoPtr pScrn, vbeInfoPtr pVbe) -{ - DisplayModePtr pMode; - VbeModeInfoData *data; - - pMode = pScrn->modes; - do { - DisplayModePtr p, best = NULL; - ModeStatus status; - - for (p = pScrn->monitor->Modes; p != NULL; p = p->next) { - if ((p->HDisplay != pMode->HDisplay) || - (p->VDisplay != pMode->VDisplay) || - (p->Flags & (V_INTERLACE | V_DBLSCAN | V_CLKDIV2))) - continue; - /* XXX could support the various V_ flags */ - status = xf86CheckModeForMonitor(p, pScrn->monitor); - if (status != MODE_OK) - continue; - if (!best || (p->Clock > best->Clock)) - best = p; - } - - if (best) { - int clock; - - data = (VbeModeInfoData*)pMode->Private; - pMode->HSync = (float)best->Clock * 1000.0 / best->HTotal + 0.5; - pMode->VRefresh = pMode->HSync / best->VTotal + 0.5; - xf86DrvMsg(pScrn->scrnIndex, X_INFO, - "Attempting to use %dHz refresh for mode \"%s\" (%x)\n", - (int)pMode->VRefresh, pMode->name, data->mode); - data->block = xcalloc(sizeof(VbeCRTCInfoBlock), 1); - data->block->HorizontalTotal = best->HTotal; - data->block->HorizontalSyncStart = best->HSyncStart; - data->block->HorizontalSyncEnd = best->HSyncEnd; - data->block->VerticalTotal = best->VTotal; - data->block->VerticalSyncStart = best->VSyncStart; - data->block->VerticalSyncEnd = best->VSyncEnd; - data->block->Flags = ((best->Flags & V_NHSYNC) ? CRTC_NHSYNC : 0) | - ((best->Flags & V_NVSYNC) ? CRTC_NVSYNC : 0); - data->block->PixelClock = best->Clock * 1000; - /* XXX May not have this. */ - clock = VBEGetPixelClock(pVbe, data->mode, data->block->PixelClock); - DebugF("Setting clock %.2fMHz, closest is %.2fMHz\n", - (double)data->block->PixelClock / 1000000.0, - (double)clock / 1000000.0); - if (clock) - data->block->PixelClock = clock; - data->mode |= (1 << 11); - data->block->RefreshRate = ((double)(data->block->PixelClock) / - (double)(best->HTotal * best->VTotal)) * 100; - } - pMode = pMode->next; - } while (pMode != pScrn->modes); -} - -/* - * These wrappers are to allow (temporary) funtionality divergences. - */ -int -VBEValidateModes(ScrnInfoPtr scrp, DisplayModePtr availModes, - char **modeNames, ClockRangePtr clockRanges, - int *linePitches, int minPitch, int maxPitch, int pitchInc, - int minHeight, int maxHeight, int virtualX, int virtualY, - int apertureSize, LookupModeFlags strategy) -{ - return xf86ValidateModes(scrp, availModes, modeNames, clockRanges, - linePitches, minPitch, maxPitch, pitchInc, - minHeight, maxHeight, virtualX, virtualY, - apertureSize, strategy); -} - -void -VBEPrintModes(ScrnInfoPtr scrp) -{ - xf86PrintModes(scrp); -} - +#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>
+ *
+ */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include <stdio.h>
+#include <string.h>
+
+#include "xf86.h"
+#include "vbe.h"
+#include "vbeModes.h"
+
+static int
+GetDepthFlag(vbeInfoPtr pVbe, int id)
+{
+ VbeModeInfoBlock *mode;
+ int bpp;
+
+ if ((mode = VBEGetModeInfo(pVbe, id)) == NULL)
+ return 0;
+
+ if (VBE_MODE_USABLE(mode, 0)) {
+ int depth;
+
+ if (VBE_MODE_COLOR(mode)) {
+ depth = mode->RedMaskSize + mode->GreenMaskSize +
+ mode->BlueMaskSize;
+ } else {
+ depth = 1;
+ }
+ bpp = mode->BitsPerPixel;
+ VBEFreeModeInfo(mode);
+ mode = NULL;
+ switch (depth) {
+ case 1:
+ return V_DEPTH_1;
+ case 4:
+ return V_DEPTH_4;
+ case 8:
+ return V_DEPTH_8;
+ case 15:
+ return V_DEPTH_15;
+ case 16:
+ return V_DEPTH_16;
+ case 24:
+ switch (bpp) {
+ case 24:
+ return V_DEPTH_24_24;
+ case 32:
+ return V_DEPTH_24_32;
+ }
+ }
+ }
+ if (mode)
+ VBEFreeModeInfo(mode);
+ return 0;
+}
+
+/*
+ * Find supported mode depths.
+ */
+int
+VBEFindSupportedDepths(vbeInfoPtr pVbe, VbeInfoBlock *vbe, int *flags24,
+ int modeTypes)
+{
+ int i = 0;
+ int depths = 0;
+
+ if (modeTypes & V_MODETYPE_VBE) {
+ while (vbe->VideoModePtr[i] != 0xffff) {
+ depths |= GetDepthFlag(pVbe, vbe->VideoModePtr[i++]);
+ }
+ }
+
+ /*
+ * XXX This possibly only works with VBE 3.0 and later.
+ */
+ if (modeTypes & V_MODETYPE_VGA) {
+ for (i = 0; i < 0x7F; i++) {
+ depths |= GetDepthFlag(pVbe, i);
+ }
+ }
+
+ if (flags24) {
+ if (depths & V_DEPTH_24_24)
+ *flags24 |= Support24bppFb;
+ if (depths & V_DEPTH_24_32)
+ *flags24 |= Support32bppFb;
+ }
+
+ return depths;
+}
+
+static DisplayModePtr
+CheckMode(ScrnInfoPtr pScrn, vbeInfoPtr pVbe, VbeInfoBlock *vbe, int id,
+ int flags)
+{
+ CARD16 major;
+ VbeModeInfoBlock *mode;
+ DisplayModePtr pMode;
+ VbeModeInfoData *data;
+ Bool modeOK = FALSE;
+
+ major = (unsigned)(vbe->VESAVersion >> 8);
+
+ if ((mode = VBEGetModeInfo(pVbe, id)) == NULL)
+ return NULL;
+
+ /* Does the mode match the depth/bpp? */
+ /* Some BIOS's set BitsPerPixel to 15 instead of 16 for 15/16 */
+ if (VBE_MODE_USABLE(mode, flags) &&
+ ((pScrn->bitsPerPixel == 1 && !VBE_MODE_COLOR(mode)) ||
+ (mode->BitsPerPixel > 8 &&
+ (mode->RedMaskSize + mode->GreenMaskSize +
+ mode->BlueMaskSize) == pScrn->depth &&
+ mode->BitsPerPixel == pScrn->bitsPerPixel) ||
+ (mode->BitsPerPixel == 15 && pScrn->depth == 15) ||
+ (mode->BitsPerPixel <= 8 &&
+ mode->BitsPerPixel == pScrn->bitsPerPixel))) {
+ modeOK = TRUE;
+ xf86ErrorFVerb(DEBUG_VERB, "*");
+ }
+
+ xf86ErrorFVerb(DEBUG_VERB,
+ "Mode: %x (%dx%d)\n", id, mode->XResolution, mode->YResolution);
+ xf86ErrorFVerb(DEBUG_VERB,
+ " ModeAttributes: 0x%x\n", mode->ModeAttributes);
+ xf86ErrorFVerb(DEBUG_VERB,
+ " WinAAttributes: 0x%x\n", mode->WinAAttributes);
+ xf86ErrorFVerb(DEBUG_VERB,
+ " WinBAttributes: 0x%x\n", mode->WinBAttributes);
+ xf86ErrorFVerb(DEBUG_VERB,
+ " WinGranularity: %d\n", mode->WinGranularity);
+ xf86ErrorFVerb(DEBUG_VERB,
+ " WinSize: %d\n", mode->WinSize);
+ xf86ErrorFVerb(DEBUG_VERB,
+ " WinASegment: 0x%x\n", mode->WinASegment);
+ xf86ErrorFVerb(DEBUG_VERB,
+ " WinBSegment: 0x%x\n", mode->WinBSegment);
+ xf86ErrorFVerb(DEBUG_VERB,
+ " WinFuncPtr: 0x%lx\n", (unsigned long)mode->WinFuncPtr);
+ xf86ErrorFVerb(DEBUG_VERB,
+ " BytesPerScanline: %d\n", mode->BytesPerScanline);
+ xf86ErrorFVerb(DEBUG_VERB,
+ " XResolution: %d\n", mode->XResolution);
+ xf86ErrorFVerb(DEBUG_VERB,
+ " YResolution: %d\n", mode->YResolution);
+ xf86ErrorFVerb(DEBUG_VERB,
+ " XCharSize: %d\n", mode->XCharSize);
+ xf86ErrorFVerb(DEBUG_VERB,
+ " YCharSize: %d\n", mode->YCharSize);
+ xf86ErrorFVerb(DEBUG_VERB,
+ " NumberOfPlanes: %d\n", mode->NumberOfPlanes);
+ xf86ErrorFVerb(DEBUG_VERB,
+ " BitsPerPixel: %d\n", mode->BitsPerPixel);
+ xf86ErrorFVerb(DEBUG_VERB,
+ " NumberOfBanks: %d\n", mode->NumberOfBanks);
+ xf86ErrorFVerb(DEBUG_VERB,
+ " MemoryModel: %d\n", mode->MemoryModel);
+ xf86ErrorFVerb(DEBUG_VERB,
+ " BankSize: %d\n", mode->BankSize);
+ xf86ErrorFVerb(DEBUG_VERB,
+ " NumberOfImages: %d\n", mode->NumberOfImages);
+ xf86ErrorFVerb(DEBUG_VERB,
+ " RedMaskSize: %d\n", mode->RedMaskSize);
+ xf86ErrorFVerb(DEBUG_VERB,
+ " RedFieldPosition: %d\n", mode->RedFieldPosition);
+ xf86ErrorFVerb(DEBUG_VERB,
+ " GreenMaskSize: %d\n", mode->GreenMaskSize);
+ xf86ErrorFVerb(DEBUG_VERB,
+ " GreenFieldPosition: %d\n", mode->GreenFieldPosition);
+ xf86ErrorFVerb(DEBUG_VERB,
+ " BlueMaskSize: %d\n", mode->BlueMaskSize);
+ xf86ErrorFVerb(DEBUG_VERB,
+ " BlueFieldPosition: %d\n", mode->BlueFieldPosition);
+ xf86ErrorFVerb(DEBUG_VERB,
+ " RsvdMaskSize: %d\n", mode->RsvdMaskSize);
+ xf86ErrorFVerb(DEBUG_VERB,
+ " RsvdFieldPosition: %d\n", mode->RsvdFieldPosition);
+ xf86ErrorFVerb(DEBUG_VERB,
+ " DirectColorModeInfo: %d\n", mode->DirectColorModeInfo);
+ if (major >= 2) {
+ xf86ErrorFVerb(DEBUG_VERB,
+ " PhysBasePtr: 0x%lx\n",
+ (unsigned long)mode->PhysBasePtr);
+ if (major >= 3) {
+ xf86ErrorFVerb(DEBUG_VERB,
+ " LinBytesPerScanLine: %d\n", mode->LinBytesPerScanLine);
+ xf86ErrorFVerb(DEBUG_VERB,
+ " BnkNumberOfImagePages: %d\n", mode->BnkNumberOfImagePages);
+ xf86ErrorFVerb(DEBUG_VERB,
+ " LinNumberOfImagePages: %d\n", mode->LinNumberOfImagePages);
+ xf86ErrorFVerb(DEBUG_VERB,
+ " LinRedMaskSize: %d\n", mode->LinRedMaskSize);
+ xf86ErrorFVerb(DEBUG_VERB,
+ " LinRedFieldPosition: %d\n", mode->LinRedFieldPosition);
+ xf86ErrorFVerb(DEBUG_VERB,
+ " LinGreenMaskSize: %d\n", mode->LinGreenMaskSize);
+ xf86ErrorFVerb(DEBUG_VERB,
+ " LinGreenFieldPosition: %d\n", mode->LinGreenFieldPosition);
+ xf86ErrorFVerb(DEBUG_VERB,
+ " LinBlueMaskSize: %d\n", mode->LinBlueMaskSize);
+ xf86ErrorFVerb(DEBUG_VERB,
+ " LinBlueFieldPosition: %d\n", mode->LinBlueFieldPosition);
+ xf86ErrorFVerb(DEBUG_VERB,
+ " LinRsvdMaskSize: %d\n", mode->LinRsvdMaskSize);
+ xf86ErrorFVerb(DEBUG_VERB,
+ " LinRsvdFieldPosition: %d\n", mode->LinRsvdFieldPosition);
+ xf86ErrorFVerb(DEBUG_VERB,
+ " MaxPixelClock: %ld\n", (unsigned long)mode->MaxPixelClock);
+ }
+ }
+
+ if (!modeOK) {
+ VBEFreeModeInfo(mode);
+ return NULL;
+ }
+ pMode = xnfcalloc(sizeof(DisplayModeRec), 1);
+
+ pMode->status = MODE_OK;
+ pMode->type = M_T_BUILTIN;
+
+ /* for adjust frame */
+ pMode->HDisplay = mode->XResolution;
+ pMode->VDisplay = mode->YResolution;
+
+ data = xnfcalloc(sizeof(VbeModeInfoData), 1);
+ data->mode = id;
+ data->data = mode;
+ pMode->PrivSize = sizeof(VbeModeInfoData);
+ pMode->Private = (INT32*)data;
+ pMode->next = NULL;
+ return pMode;
+}
+
+/*
+ * Check the available BIOS modes, and extract those that match the
+ * requirements into the modePool. Note: modePool is a NULL-terminated
+ * list.
+ */
+
+DisplayModePtr
+VBEGetModePool(ScrnInfoPtr pScrn, vbeInfoPtr pVbe, VbeInfoBlock *vbe,
+ int modeTypes)
+{
+ DisplayModePtr pMode, p = NULL, modePool = NULL;
+ int i = 0;
+
+ if (modeTypes & V_MODETYPE_VBE) {
+ while (vbe->VideoModePtr[i] != 0xffff) {
+ int id = vbe->VideoModePtr[i++];
+
+ if ((pMode = CheckMode(pScrn, pVbe, vbe, id, modeTypes)) != NULL) {
+ ModeStatus status = MODE_OK;
+
+ /* Check the mode against a specified virtual size (if any) */
+ if (pScrn->display->virtualX > 0 &&
+ pMode->HDisplay > pScrn->display->virtualX) {
+ status = MODE_VIRTUAL_X;
+ }
+ if (pScrn->display->virtualY > 0 &&
+ pMode->VDisplay > pScrn->display->virtualY) {
+ status = MODE_VIRTUAL_Y;
+ }
+ if (status != MODE_OK) {
+ xf86DrvMsg(pScrn->scrnIndex, X_INFO,
+ "Not using mode \"%dx%d\" (%s)\n",
+ pMode->HDisplay, pMode->VDisplay,
+ xf86ModeStatusToString(status));
+ } else {
+ if (p == NULL) {
+ modePool = pMode;
+ } else {
+ p->next = pMode;
+ }
+ pMode->prev = NULL;
+ p = pMode;
+ }
+ }
+ }
+ }
+ if (modeTypes & V_MODETYPE_VGA) {
+ for (i = 0; i < 0x7F; i++) {
+ if ((pMode = CheckMode(pScrn, pVbe, vbe, i, modeTypes)) != NULL) {
+ ModeStatus status = MODE_OK;
+
+ /* Check the mode against a specified virtual size (if any) */
+ if (pScrn->display->virtualX > 0 &&
+ pMode->HDisplay > pScrn->display->virtualX) {
+ status = MODE_VIRTUAL_X;
+ }
+ if (pScrn->display->virtualY > 0 &&
+ pMode->VDisplay > pScrn->display->virtualY) {
+ status = MODE_VIRTUAL_Y;
+ }
+ if (status != MODE_OK) {
+ xf86DrvMsg(pScrn->scrnIndex, X_INFO,
+ "Not using mode \"%dx%d\" (%s)\n",
+ pMode->HDisplay, pMode->VDisplay,
+ xf86ModeStatusToString(status));
+ } else {
+ if (p == NULL) {
+ modePool = pMode;
+ } else {
+ p->next = pMode;
+ }
+ pMode->prev = NULL;
+ p = pMode;
+ }
+ }
+ }
+ }
+ return modePool;
+}
+
+void
+VBESetModeNames(DisplayModePtr pMode)
+{
+ if (!pMode)
+ return;
+
+ do {
+ if (!pMode->name) {
+ /* Catch "bad" modes. */
+ if (pMode->HDisplay > 10000 || pMode->HDisplay < 0 ||
+ pMode->VDisplay > 10000 || pMode->VDisplay < 0) {
+ pMode->name = strdup("BADMODE");
+ } else {
+ pMode->name = xnfalloc(4 + 1 + 4 + 1);
+ sprintf(pMode->name, "%dx%d", pMode->HDisplay, pMode->VDisplay);
+ }
+ }
+ pMode = pMode->next;
+ } while (pMode);
+}
+
+/*
+ * Go through the monitor modes and selecting the best set of
+ * parameters for each BIOS mode. Note: This is only supported in
+ * VBE version 3.0 or later.
+ */
+void
+VBESetModeParameters(ScrnInfoPtr pScrn, vbeInfoPtr pVbe)
+{
+ DisplayModePtr pMode;
+ VbeModeInfoData *data;
+
+ pMode = pScrn->modes;
+ do {
+ DisplayModePtr p, best = NULL;
+ ModeStatus status;
+
+ for (p = pScrn->monitor->Modes; p != NULL; p = p->next) {
+ if ((p->HDisplay != pMode->HDisplay) ||
+ (p->VDisplay != pMode->VDisplay) ||
+ (p->Flags & (V_INTERLACE | V_DBLSCAN | V_CLKDIV2)))
+ continue;
+ /* XXX could support the various V_ flags */
+ status = xf86CheckModeForMonitor(p, pScrn->monitor);
+ if (status != MODE_OK)
+ continue;
+ if (!best || (p->Clock > best->Clock))
+ best = p;
+ }
+
+ if (best) {
+ int clock;
+
+ data = (VbeModeInfoData*)pMode->Private;
+ pMode->HSync = (float)best->Clock * 1000.0 / best->HTotal + 0.5;
+ pMode->VRefresh = pMode->HSync / best->VTotal + 0.5;
+ xf86DrvMsg(pScrn->scrnIndex, X_INFO,
+ "Attempting to use %dHz refresh for mode \"%s\" (%x)\n",
+ (int)pMode->VRefresh, pMode->name, data->mode);
+ data->block = calloc(sizeof(VbeCRTCInfoBlock), 1);
+ data->block->HorizontalTotal = best->HTotal;
+ data->block->HorizontalSyncStart = best->HSyncStart;
+ data->block->HorizontalSyncEnd = best->HSyncEnd;
+ data->block->VerticalTotal = best->VTotal;
+ data->block->VerticalSyncStart = best->VSyncStart;
+ data->block->VerticalSyncEnd = best->VSyncEnd;
+ data->block->Flags = ((best->Flags & V_NHSYNC) ? CRTC_NHSYNC : 0) |
+ ((best->Flags & V_NVSYNC) ? CRTC_NVSYNC : 0);
+ data->block->PixelClock = best->Clock * 1000;
+ /* XXX May not have this. */
+ clock = VBEGetPixelClock(pVbe, data->mode, data->block->PixelClock);
+ DebugF("Setting clock %.2fMHz, closest is %.2fMHz\n",
+ (double)data->block->PixelClock / 1000000.0,
+ (double)clock / 1000000.0);
+ if (clock)
+ data->block->PixelClock = clock;
+ data->mode |= (1 << 11);
+ data->block->RefreshRate = ((double)(data->block->PixelClock) /
+ (double)(best->HTotal * best->VTotal)) * 100;
+ }
+ pMode = pMode->next;
+ } while (pMode != pScrn->modes);
+}
+
+/*
+ * These wrappers are to allow (temporary) funtionality divergences.
+ */
+int
+VBEValidateModes(ScrnInfoPtr scrp, DisplayModePtr availModes,
+ char **modeNames, ClockRangePtr clockRanges,
+ int *linePitches, int minPitch, int maxPitch, int pitchInc,
+ int minHeight, int maxHeight, int virtualX, int virtualY,
+ int apertureSize, LookupModeFlags strategy)
+{
+ return xf86ValidateModes(scrp, availModes, modeNames, clockRanges,
+ linePitches, minPitch, maxPitch, pitchInc,
+ minHeight, maxHeight, virtualX, virtualY,
+ apertureSize, strategy);
+}
+
+void
+VBEPrintModes(ScrnInfoPtr scrp)
+{
+ xf86PrintModes(scrp);
+}
+
|