From 1c94119ae26b94a60bb2c2b33494ed43c3b8a52f Mon Sep 17 00:00:00 2001 From: marha Date: Sun, 16 May 2010 20:50:58 +0000 Subject: svn merge -r588:HEAD ^/branches/released . --- xorg-server/hw/xfree86/vbe/vbe.c | 2290 ++++++++++++++++----------------- xorg-server/hw/xfree86/vbe/vbe.h | 682 +++++----- xorg-server/hw/xfree86/vbe/vbeModes.c | 902 ++++++------- 3 files changed, 1937 insertions(+), 1937 deletions(-) (limited to 'xorg-server/hw/xfree86/vbe') 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 - */ - -#ifdef HAVE_XORG_CONFIG_H -#include -#endif - -#include - -#include "xf86.h" -#include "vbe.h" -#include -#include - -#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 + */ + +#ifdef HAVE_XORG_CONFIG_H +#include +#endif + +#include + +#include "xf86.h" +#include "vbe.h" +#include +#include + +#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 - */ - -#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 + */ + +#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 - * - */ - -#ifdef HAVE_XORG_CONFIG_H -#include -#endif - -#include -#include - -#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 + * + */ + +#ifdef HAVE_XORG_CONFIG_H +#include +#endif + +#include +#include + +#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); +} + -- cgit v1.2.3