overlay_s1d13806.c
资源名称:tcpmp.rar [点击查看]
上传用户:wstnjxml
上传日期:2014-04-03
资源大小:7248k
文件大小:7k
源码类别:
Windows CE
开发平台:
C/C++
- /*****************************************************************************
- *
- * 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