gps/GPSResources/tcpmp/common/overlay/overlay_s1d13806.c

313 lines
7.5 KiB
C
Executable File

/*****************************************************************************
*
* This program is free software ; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Id: overlay_s1d13806.c 543 2006-01-07 22:06:24Z picard $
*
* The Core Pocket Media Player
* Copyright (c) 2004-2005 Gabor Kovacs
*
****************************************************************************/
#include "../common.h"
#if defined(TARGET_WINCE) && defined(ARM)
#define WIN32_LEAN_AND_MEAN
#ifndef STRICT
#define STRICT
#endif
#include <windows.h>
extern int STDCALL IRQEnable();
extern int STDCALL IRQDisable();
typedef struct s1d13806
{
overlay Overlay;
planes Planes;
bool_t KernelMode;
void* Buffer;
bool_t PhyAddr;
volatile unsigned char* Regs;
volatile unsigned short* FIFO;
HBRUSH Brush;
} s1d13806;
static INLINE void Reg3(s1d13806* p,int i,int v)
{
p->Regs[i+0] = (unsigned char)(v);
p->Regs[i+1] = (unsigned char)(v >> 8);
p->Regs[i+2] = (unsigned char)(v >> 16);
}
static INLINE void Reg2(s1d13806* p,int i,int v)
{
p->Regs[i+0] = (unsigned char)(v);
p->Regs[i+1] = (unsigned char)(v >> 8);
}
static int Blit(overlay* p, const constplanes Data, const constplanes DataLast)
{
planes Planes;
int Result = p->Lock(p,Planes,1);
if (Result==ERR_NONE)
{
BlitImage(p->Soft,Planes,Data,DataLast,-1,-1);
p->Unlock(p);
}
return Result;
}
static int Update(overlay* p)
{
blitfx FX = p->FX;
video Output = p->Output.Format.Video;
rect OldGUI = p->GUIAlignedRect;
rect Old = p->DstAlignedRect;
VirtToPhy(&p->Viewport,&p->DstAlignedRect,&p->Output.Format.Video);
VirtToPhy(NULL,&p->SrcAlignedRect,&p->Input.Format.Video);
p->DstAlignedRect.Height >>= 1;
p->DstAlignedRect.y >>= 1;
Output.Height >>= 1;
Output.Pitch <<= 1;
if (FX.Direction & DIR_SWAPXY)
FX.ScaleX >>= 1;
else
FX.ScaleY >>= 1;
if (p->Output.Format.Video.Pixel.BitCount!=16)
FX.Flags |= BLITFX_DITHER;
BlitRelease(p->Soft);
p->Soft = BlitCreate(&Output,&p->Input.Format.Video,&FX,&p->Caps);
BlitAlign(p->Soft,&p->DstAlignedRect, &p->SrcAlignedRect);
p->DstAlignedRect.Height <<= 1;
p->DstAlignedRect.y <<= 1;
if (p->Output.Format.Video.Pixel.BitCount!=16)
p->Caps &= ~VC_DITHER;
PhyToVirt(&p->DstAlignedRect,&p->GUIAlignedRect,&p->Output.Format.Video);
if (!EqRect(&Old,&p->DstAlignedRect) && p->Show && p->Primary)
{
WinInvalidate(&OldGUI,0);
WinInvalidate(&p->Viewport,1);
WinValidate(&p->GUIAlignedRect);
}
if (p->Show && (p->FullScreenViewport || !p->Primary))
OverlayClearBorder(p);
return ERR_NONE;
}
static int Init(s1d13806* p)
{
HKEY Key;
video* Output = &p->Overlay.Output.Format.Video;
QueryDesktop(Output);
DefaultPitch(Output);
p->Regs = NULL;
p->Buffer = NULL;
if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, T("Drivers\\Display\\S1D13806"), 0, KEY_READ, &Key) == ERROR_SUCCESS)
{
DWORD Value;
DWORD RegSize;
DWORD RegType;
RegSize = sizeof(Value);
if (RegQueryValueEx(Key, T("RegBase"), 0, &RegType, (LPBYTE)&Value, &RegSize) == ERROR_SUCCESS)
p->Regs = (unsigned char*)Value;
RegSize = sizeof(Value);
if (RegQueryValueEx(Key, T("MemBase"), 0, &RegType, (LPBYTE)&Value, &RegSize) == ERROR_SUCCESS)
p->Buffer = (void*)Value;
RegCloseKey(Key);
}
if (!p->Regs || !p->Buffer)
return ERR_NOT_SUPPORTED;
p->PhyAddr = (uint32_t)p->Regs < 0x80000000;
if (p->PhyAddr)
{
p->Regs = PhyMemBegin((uint32_t)p->Regs,2*1024*1024,0);
if (!p->Regs)
return ERR_NOT_SUPPORTED;
p->Buffer = PhyMemBegin((uint32_t)p->Buffer,2*1024*1024,1);
if (!p->Buffer)
{
PhyMemEnd((void*)p->Regs);
p->Regs = NULL;
return ERR_NOT_SUPPORTED;
}
}
p->FIFO = (unsigned short*)(p->Regs+1024*1024);
if (((int)p->Buffer & 15)==0 && (Output->Pitch & 15)==0)
Output->Pixel.Flags |= PF_16ALIGNED;
p->Planes[0] = p->Buffer;
AdjustOrientation(Output,0);
p->Overlay.SetFX = BLITFX_AVOIDTEARING;
p->Brush = (HBRUSH)GetStockObject(BLACK_BRUSH);
return ERR_NONE;
}
static void Done(s1d13806* p)
{
if (p->PhyAddr)
{
if (p->Buffer)
PhyMemEnd(p->Buffer);
if (p->Regs)
PhyMemEnd((void*)p->Regs);
}
p->Buffer = NULL;
p->Regs = NULL;
}
static int Reset(s1d13806* p)
{
Done(p);
Init(p);
return ERR_NONE;
}
static int Lock(s1d13806* p, planes Planes, bool_t OnlyAligned)
{
p->KernelMode = KernelMode(1);
Planes[0] = p->Planes[0];
return ERR_NONE;
}
static int Unlock(s1d13806* p)
{
if (p->Regs && p->Overlay.DstAlignedRect.Width>0 && p->Overlay.DstAlignedRect.Height>1)
{
int ReTry;
HDC DC = GetDC(NULL);
for (ReTry=0;ReTry<32;++ReTry)
{
// we have to make sure not to interfere with the GDI driver
// use FillRect to make the GDI driver use the epson chip
// disable the interrupt and verify we still in our FillRect blitting
// wait until it's finished and start our own blitting
RECT R;
R.left = 0;
R.top = 0;
R.right = 1;
R.bottom = p->Overlay.Output.Format.Video.Height-1;
FillRect(DC,&R,p->Brush);
IRQDisable();
if ((p->Regs[0x100] & 128)==0 ||
p->Regs[0x110] != 0 || p->Regs[0x111] != 0 ||
p->Regs[0x112] != ((R.bottom-1) & 255) || p->Regs[0x113] != ((R.bottom-1) >> 8))
{
IRQEnable();
}
else
{
int Ofs = p->Overlay.DstAlignedRect.x*(p->Overlay.Output.Format.Video.Pixel.BitCount>>3) +
p->Overlay.DstAlignedRect.y*p->Overlay.Output.Format.Video.Pitch;
while ((p->Regs[0x100] & 128)!=0);
ReTry += p->FIFO[0];
Reg3(p,0x104,Ofs);
Reg3(p,0x108,Ofs + p->Overlay.Output.Format.Video.Pitch);
Reg2(p,0x110,p->Overlay.DstAlignedRect.Width-1);
Reg2(p,0x112,(p->Overlay.DstAlignedRect.Height/2)-1);
p->Regs[0x103] = 2;
p->Regs[0x102] = 0x0C;
p->Regs[0x101] = (char)(p->Overlay.Output.Format.Video.Pixel.BitCount==16?1:0);
Reg2(p,0x10C,p->Overlay.Output.Format.Video.Pitch);
p->Regs[0x100] = 0x80;
while ((p->Regs[0x100] & 128)==0);
IRQEnable();
break;
}
}
ReleaseDC(NULL,DC);
}
KernelMode(p->KernelMode);
return ERR_NONE;
}
static int Create(s1d13806* p)
{
if (Init(p) != ERR_NONE) // check if supported
return ERR_NOT_SUPPORTED;
Done(p);
p->Overlay.Init = (ovlfunc)Init;
p->Overlay.Done = (ovldone)Done;
p->Overlay.Reset = (ovlfunc)Reset;
p->Overlay.Lock = (ovllock)Lock;
p->Overlay.Unlock = (ovlfunc)Unlock;
p->Overlay.Blit = (ovlblit)Blit;
p->Overlay.Update = (ovlfunc)Update;
return ERR_NONE;
}
static const nodedef S1D13806 =
{
sizeof(s1d13806)|CF_GLOBAL,
S1D13806_ID,
OVERLAY_CLASS,
PRI_DEFAULT+92,
(nodecreate)Create,
};
void OverlayS1D13806_Init()
{
NodeRegisterClass(&S1D13806);
}
void OverlayS1D13806_Done()
{
NodeUnRegisterClass(S1D13806_ID);
}
#else
void OverlayS1D13806_Init() {}
void OverlayS1D13806_Done() {}
#endif