?? s3c2440a_lcd.cpp
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//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//
// Use of this source code is subject to the terms of the Microsoft end-user
// license agreement (EULA) under which you licensed this SOFTWARE PRODUCT.
// If you did not accept the terms of the EULA, you are not authorized to use
// this source code. For a copy of the EULA, please see the LICENSE.RTF on your
// install media.
//
/*++
THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
PARTICULAR PURPOSE.
--*/
#include "precomp.h"
#ifdef CLEARTYPE
#include <ctblt.h>
#endif
DWORD gdwLCDVirtualFrameBase;
INSTANTIATE_GPE_ZONES(0x3,"MGDI Driver","unused1","unused2") // Start with errors and warnings
static GPE *gGPE = (GPE*)NULL;
static ulong gBitMasks[] = { 0xF800, 0x07E0, 0x001F }; // 565 MODE
static TCHAR gszBaseInstance[256] = _T("Drivers\\Display\\S3C2440\\CONFIG");
#define dim(x) (sizeof(x) / sizeof(x[0]))
// This prototype avoids problems exporting from .lib
BOOL APIENTRY GPEEnableDriver(ULONG engineVersion, ULONG cj, DRVENABLEDATA *data,
PENGCALLBACKS engineCallbacks);
// GWES will invoke this routine once prior to making any other calls into the driver.
// This routine needs to save its instance path information and return TRUE. If it
// returns FALSE, GWES will abort the display initialization.
BOOL APIENTRY
DisplayInit(LPCTSTR pszInstance, DWORD dwNumMonitors)
{
DWORD dwStatus;
HKEY hkDisplay;
BOOL fOk = FALSE;
RETAILMSG(0, (_T("SALCD2: display instance '%s', num monitors %d\r\n"),
pszInstance != NULL ? pszInstance : _T("<NULL>"), dwNumMonitors));
if(pszInstance != NULL) {
_tcsncpy(gszBaseInstance, pszInstance, dim(gszBaseInstance));
}
// sanity check the path by making sure it exists
dwStatus = RegOpenKeyEx(HKEY_LOCAL_MACHINE, gszBaseInstance, 0, 0, &hkDisplay);
if(dwStatus == ERROR_SUCCESS) {
RegCloseKey(hkDisplay);
fOk = TRUE;
} else {
RETAILMSG(0, (_T("SALCD2: DisplayInit: can't open '%s'\r\n"), gszBaseInstance));
}
return fOk;
}
BOOL APIENTRY DrvEnableDriver(ULONG engineVersion, ULONG cj, DRVENABLEDATA *data,
PENGCALLBACKS engineCallbacks)
{
BOOL fOk = FALSE;
// make sure we know where our registry configuration is
if(gszBaseInstance[0] != 0) {
fOk = GPEEnableDriver(engineVersion, cj, data, engineCallbacks);
}
return fOk;
}
//
// Main entry point for a GPE-compliant driver
//
GPE *GetGPE(void)
{
if (!gGPE)
{
gGPE = new S3C2440DISP();
}
return gGPE;
}
WORD TempBuffer[241][320];
S3C2440DISP::S3C2440DISP (void)
{
RETAILMSG(0, (TEXT("++S3C2440DISP::S3C2440DISP\r\n")));
// setup up display mode related constants
m_nScreenWidth = 240;
m_nScreenHeight = 320;
m_colorDepth = 16;
m_cbScanLineLength = m_nScreenWidth * 2;
m_FrameBufferSize = m_nScreenHeight * m_cbScanLineLength;
// memory map register access window, frame buffer, and program LCD controller
InitializeHardware();
#ifdef ROTATE
m_iRotate = 0;
SetRotateParms();
#endif //ROTATE
// setup ModeInfo structure
m_ModeInfo.modeId = 0;
m_ModeInfo.width = m_nScreenWidth;
m_ModeInfo.height = m_nScreenHeight;
m_ModeInfo.Bpp = m_colorDepth;
m_ModeInfo.format = gpe16Bpp;
m_ModeInfo.frequency = 60; // ?
m_pMode = &m_ModeInfo;
// allocate primary display surface
#ifdef ROTATE
m_pPrimarySurface = new GPESurfRotate(m_nScreenWidthSave, m_nScreenHeightSave, (void*)(m_VirtualFrameBuffer), m_cbScanLineLength, m_ModeInfo.format);
#else
m_pPrimarySurface = new GPESurf(m_nScreenWidth, m_nScreenHeight, (void*)(m_VirtualFrameBuffer), m_cbScanLineLength, m_ModeInfo.format);
#endif //!ROTATE
if (m_pPrimarySurface)
{
memset ((void*)m_pPrimarySurface->Buffer(), 0x0, m_FrameBufferSize);
}
// init cursor related vars
m_CursorVisible = FALSE;
m_CursorDisabled = TRUE;
m_CursorForcedOff = FALSE;
memset (&m_CursorRect, 0x0, sizeof(m_CursorRect));
m_CursorBackingStore = NULL;
m_CursorXorShape = NULL;
m_CursorAndShape = NULL;
#ifdef CLEARTYPE
HKEY hKey;
DWORD dwValue;
ULONG ulGamma = DEFAULT_CT_GAMMA;
if (ERROR_SUCCESS == RegCreateKeyEx(HKEY_LOCAL_MACHINE,szGamma,0, NULL,0,0,0,&hKey,&dwValue))
{
if (dwValue == REG_OPENED_EXISTING_KEY)
{
DWORD dwType = REG_DWORD;
DWORD dwSize = sizeof(LONG);
if (ERROR_SUCCESS == RegQueryValueEx(hKey,szGammaValue,0,&dwType,(BYTE *)&dwValue,&dwSize))
{
ulGamma = dwValue;
}
}
else if (dwValue == REG_CREATED_NEW_KEY )
{
RegSetValueEx(hKey,szGammaValue,0,REG_DWORD,(BYTE *)&ulGamma,sizeof(DWORD));
}
RegCloseKey(hKey);
}
SetClearTypeBltGamma(ulGamma);
SetClearTypeBltMasks(gBitMasks[0], gBitMasks[1], gBitMasks[2]);
#endif //CLEARTYPE
RETAILMSG(0, (TEXT("--S3C2440DISP::S3C2440DISP\r\n")));
}
void S3C2440DISP::InitializeHardware (void)
{
WORD *ptr;
DWORD index;
HKEY hkDisplay = NULL;
DWORD dwLCDPhysicalFrameBase;
DWORD dwStatus, dwType, dwSize;
RETAILMSG(0, (_T("++S3C2440DISP::InitializeHardware\r\n")));
// open the registry key and read our configuration
dwStatus = RegOpenKeyEx(HKEY_LOCAL_MACHINE, gszBaseInstance, 0, 0, &hkDisplay);
dwType = REG_DWORD;
if(dwStatus == ERROR_SUCCESS && dwType == REG_DWORD) {
dwSize = sizeof(DWORD);
dwStatus = RegQueryValueEx(hkDisplay, _T("LCDVirtualFrameBase"), NULL, &dwType,
(LPBYTE) &gdwLCDVirtualFrameBase, &dwSize);
}
if(dwStatus == ERROR_SUCCESS && dwType == REG_DWORD) {
dwSize = sizeof(DWORD);
dwStatus = RegQueryValueEx(hkDisplay, _T("LCDPhysicalFrameBase"), NULL, &dwType,
(LPBYTE) &dwLCDPhysicalFrameBase, &dwSize);
}
// close the registry key
if(hkDisplay != NULL) {
RegCloseKey(hkDisplay);
}
// did we get everything?
if(dwStatus != ERROR_SUCCESS) {
RETAILMSG(0, (_T("SALCD2: InitializeHardware: couldn't get registry configuration\r\n")));
return;
}
// map frame buffer into process space memory
m_VirtualFrameBuffer = (DWORD)VirtualAlloc(0, (0x40000), MEM_RESERVE, PAGE_NOACCESS);
if (m_VirtualFrameBuffer == NULL)
{
RETAILMSG(0,(TEXT("m_VirtualFrameBuffer is not allocated\n\r")));
return;
}
else if (!VirtualCopy((PVOID)m_VirtualFrameBuffer, (PVOID)gdwLCDVirtualFrameBase, (0x40000), PAGE_READWRITE | PAGE_NOCACHE))
{
RETAILMSG(0, (TEXT("m_VirtualFrameBuffer is not mapped\n\r")));
VirtualFree((PVOID)m_VirtualFrameBuffer, 0, MEM_RELEASE);
return;
}
RETAILMSG(0, (TEXT("m_VirtualFrameBuffer is mapped at %x(PHY : %x)\n\r"), m_VirtualFrameBuffer, gdwLCDVirtualFrameBase));
RETAILMSG(0, (TEXT("Clearing frame buffer !!!\n\r")));
ptr = (WORD *)m_VirtualFrameBuffer;
// clear rest of frame buffer out
for (index = 0; index < 320*240; index++)
{
if(index < 3200)
{
ptr[index] = 0xf800;
}
else if(index < 6400)
{
ptr[index] = 0x07e0;
}
else if(index < 9600)
{
ptr[index] = 0x001f;
}
else
{
ptr[index] = 0xffff;
}
}
RETAILMSG(0, (_T("--S3C2440DISP::InitializeHardware\r\n")));
}
SCODE S3C2440DISP::SetMode (INT modeId, HPALETTE *palette)
{
RETAILMSG(0, (TEXT("++S3C2440DISP::SetMode\r\n")));
if (modeId != 0)
{
RETAILMSG(0, (TEXT("S3C2440DISP::SetMode Want mode %d, only have mode 0\r\n"),modeId));
return E_INVALIDARG;
}
if (palette)
{
*palette = EngCreatePalette (PAL_BITFIELDS, 0, NULL, gBitMasks[0], gBitMasks[1], gBitMasks[2]);
}
RETAILMSG(0, (TEXT("--S3C2440DISP::SetMode\r\n")));
}
SCODE S3C2440DISP::GetModeInfo(GPEMode *mode, INT modeNumber)
{
RETAILMSG(0, (TEXT("++S3C2440DISP::GetModeInfo\r\n")));
if (modeNumber != 0)
{
return E_INVALIDARG;
}
*mode = m_ModeInfo;
RETAILMSG(0, (TEXT("--S3C2440DISP::GetModeInfo\r\n")));
return S_OK;
}
int S3C2440DISP::NumModes()
{
RETAILMSG(0, (TEXT("++S3C2440DISP::NumModes\r\n")));
RETAILMSG(0, (TEXT("--S3C2440DISP::NumModes\r\n")));
return 1;
}
void S3C2440DISP::CursorOn (void)
{
UCHAR *ptrScreen = (UCHAR*)m_pPrimarySurface->Buffer();
UCHAR *ptrLine;
UCHAR *cbsLine;
#ifndef ROTATE
UCHAR *xorLine;
UCHAR *andLine;
#endif //!ROTATE
int x, y;
if (!m_CursorForcedOff && !m_CursorDisabled && !m_CursorVisible)
{
#ifdef ROTATE
RECTL rSave;
int iRotate;
#endif //ROTATE
if (!m_CursorBackingStore)
{
RETAILMSG(0, (TEXT("S3C2440DISP::CursorOn - No backing store available\r\n")));
return;
}
#ifdef ROTATE
rSave = m_CursorRect;
RotateRectl(&m_CursorRect);
#endif //ROTATE
for (y = m_CursorRect.top; y < m_CursorRect.bottom; y++)
{
if (y < 0)
{
continue;
}
#ifdef ROTATE
if (y >= m_nScreenHeightSave)
#else
if (y >= m_nScreenHeight)
#endif //ROTATE
{
break;
}
ptrLine = &ptrScreen[y * m_pPrimarySurface->Stride()];
cbsLine = &m_CursorBackingStore[(y - m_CursorRect.top) * (m_CursorSize.x * (m_colorDepth >> 3))];
#ifndef ROTATE
xorLine = &m_CursorXorShape[(y - m_CursorRect.top) * m_CursorSize.x];
andLine = &m_CursorAndShape[(y - m_CursorRect.top) * m_CursorSize.x];
#endif //!ROTATE
for (x = m_CursorRect.left; x < m_CursorRect.right; x++)
{
if (x < 0)
{
continue;
}
#ifdef ROTATE
if (x >= m_nScreenWidthSave)
#else
if (x >= m_nScreenWidth)
#endif //!ROTATE
{
break;
}
#ifdef ROTATE
switch (m_iRotate)
{
case DMDO_0:
iRotate = (y - m_CursorRect.top)*m_CursorSize.x + x - m_CursorRect.left;
break;
case DMDO_90:
iRotate = (x - m_CursorRect.left)*m_CursorSize.x + m_CursorSize.y - 1 - (y - m_CursorRect.top);
break;
case DMDO_180:
iRotate = (m_CursorSize.y - 1 - (y - m_CursorRect.top))*m_CursorSize.x + m_CursorSize.x - 1 - (x - m_CursorRect.left);
break;
case DMDO_270:
iRotate = (m_CursorSize.x -1 - (x - m_CursorRect.left))*m_CursorSize.x + y - m_CursorRect.top;
break;
default:
iRotate = (y - m_CursorRect.top)*m_CursorSize.x + x - m_CursorRect.left;
break;
}
#endif //ROTATE
cbsLine[(x - m_CursorRect.left) * (m_colorDepth >> 3)] = ptrLine[x * (m_colorDepth >> 3)];
#ifdef ROTATE
ptrLine[x * (m_colorDepth >> 3)] &= m_CursorAndShape[iRotate];
ptrLine[x * (m_colorDepth >> 3)] ^= m_CursorXorShape[iRotate];
#else
ptrLine[x * (m_colorDepth >> 3)] &= andLine[x - m_CursorRect.left];
ptrLine[x * (m_colorDepth >> 3)] ^= xorLine[x - m_CursorRect.left];
#endif //ROTATE
if (m_colorDepth > 8)
{
cbsLine[(x - m_CursorRect.left) * (m_colorDepth >> 3) + 1] = ptrLine[x * (m_colorDepth >> 3) + 1];
#ifdef ROTATE
ptrLine[x * (m_colorDepth >> 3) + 1] &= m_CursorAndShape[iRotate];
ptrLine[x * (m_colorDepth >> 3) + 1] ^= m_CursorXorShape[iRotate];
#else
ptrLine[x * (m_colorDepth >> 3) + 1] &= andLine[x - m_CursorRect.left];
ptrLine[x * (m_colorDepth >> 3) + 1] ^= xorLine[x - m_CursorRect.left];
#endif //ROTATE
if (m_colorDepth > 16)
{
cbsLine[(x - m_CursorRect.left) * (m_colorDepth >> 3) + 2] = ptrLine[x * (m_colorDepth >> 3) + 2];
#ifdef ROTATE
ptrLine[x * (m_colorDepth >> 3) + 2] &= m_CursorAndShape[iRotate];
ptrLine[x * (m_colorDepth >> 3) + 2] ^= m_CursorXorShape[iRotate];
#else
ptrLine[x * (m_colorDepth >> 3) + 2] &= andLine[x - m_CursorRect.left];
ptrLine[x * (m_colorDepth >> 3) + 2] ^= xorLine[x - m_CursorRect.left];
#endif //ROTATE
}
}
}
}
#ifdef ROTATE
m_CursorRect = rSave;
#endif
m_CursorVisible = TRUE;
}
}
void S3C2440DISP::CursorOff (void)
{
UCHAR *ptrScreen = (UCHAR*)m_pPrimarySurface->Buffer();
UCHAR *ptrLine;
UCHAR *cbsLine;
int x, y;
if (!m_CursorForcedOff && !m_CursorDisabled && m_CursorVisible)
{
#ifdef ROTATE
RECTL rSave;
#endif //ROTATE
if (!m_CursorBackingStore)
{
RETAILMSG(0, (TEXT("S3C2440DISP::CursorOff - No backing store available\r\n")));
return;
}
#ifdef ROTATE
rSave = m_CursorRect;
RotateRectl(&m_CursorRect);
#endif //ROTATE
for (y = m_CursorRect.top; y < m_CursorRect.bottom; y++)
{
// clip to displayable screen area (top/bottom)
if (y < 0)
{
continue;
}
#ifndef ROTATE
if (y >= m_nScreenHeight)
#else
if (y >= m_nScreenHeightSave)
#endif //!ROTATE
{
break;
}
ptrLine = &ptrScreen[y * m_pPrimarySurface->Stride()];
cbsLine = &m_CursorBackingStore[(y - m_CursorRect.top) * (m_CursorSize.x * (m_colorDepth >> 3))];
for (x = m_CursorRect.left; x < m_CursorRect.right; x++)
{
// clip to displayable screen area (left/right)
if (x < 0)
{
continue;
}
#ifndef ROTATE
if (x >= m_nScreenWidth)
#else
if (x>= m_nScreenWidthSave)
#endif //!ROTATE
{
break;
}
ptrLine[x * (m_colorDepth >> 3)] = cbsLine[(x - m_CursorRect.left) * (m_colorDepth >> 3)];
if (m_colorDepth > 8)
{
ptrLine[x * (m_colorDepth >> 3) + 1] = cbsLine[(x - m_CursorRect.left) * (m_colorDepth >> 3) + 1];
if (m_colorDepth > 16)
{
ptrLine[x * (m_colorDepth >> 3) + 2] = cbsLine[(x - m_CursorRect.left) * (m_colorDepth >> 3) + 2];
}
}
}
}
#ifdef ROTATE
m_CursorRect = rSave;
#endif //ROTATE
m_CursorVisible = FALSE;
}
}
SCODE S3C2440DISP::SetPointerShape(GPESurf *pMask, GPESurf *pColorSurf, INT xHot, INT yHot, INT cX, INT cY)
{
UCHAR *andPtr; // input pointer
UCHAR *xorPtr; // input pointer
UCHAR *andLine; // output pointer
UCHAR *xorLine; // output pointer
char bAnd;
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