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