X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Modules%2FDisplay%2FVESA%2Fmain.c;h=6f056f33fb752107b1c92fc005db6e295300c3ba;hb=4bd32b966938a9f52c22d63cac0b22d6932e585d;hp=e87ca058f5b5ecbe058b3a84c62ca31755a2cc61;hpb=60149f3ea48a795f9fbb15149e87d3a41aa136bf;p=tpg%2Facess2.git

diff --git a/Modules/Display/VESA/main.c b/Modules/Display/VESA/main.c
index e87ca058..6f056f33 100644
--- a/Modules/Display/VESA/main.c
+++ b/Modules/Display/VESA/main.c
@@ -2,12 +2,12 @@
  * AcessOS 1
  * Video BIOS Extensions (Vesa) Driver
  */
-#define DEBUG	1
+#define DEBUG	0
 #define VERSION	0x100
 
 #include <acess.h>
 #include <vfs.h>
-#include <tpl_drv_video.h>
+#include <api_drv_video.h>
 #include <fs_devfs.h>
 #include <modules.h>
 #include <vm8086.h>
@@ -15,15 +15,23 @@
 
 // === CONSTANTS ===
 #define	FLAG_LFB	0x1
+#define VESA_DEFAULT_FRAMEBUFFER	(KERNEL_BASE|0xA0000)
+#define BLINKING_CURSOR	1
+#if BLINKING_CURSOR
+# define VESA_CURSOR_PERIOD	1000
+#endif
 
 // === PROTOTYPES ===
  int	Vesa_Install(char **Arguments);
 Uint64	Vesa_Read(tVFS_Node *Node, Uint64 Offset, Uint64 Length, void *Buffer);
 Uint64	Vesa_Write(tVFS_Node *Node, Uint64 Offset, Uint64 Length, void *Buffer);
- int	Vesa_Ioctl(tVFS_Node *Node, int ID, void *Data);
+ int	Vesa_IOCtl(tVFS_Node *Node, int ID, void *Data);
  int	Vesa_Int_SetMode(int Mode);
  int	Vesa_Int_FindMode(tVideo_IOCtl_Mode *data);
  int	Vesa_Int_ModeInfo(tVideo_IOCtl_Mode *data);
+void	Vesa_int_HideCursor(void);
+void	Vesa_int_ShowCursor(void);
+void	Vesa_FlipCursor(void *Arg);
 
 // === GLOBALS ===
 MODULE_DEFINE(0, VERSION, Vesa, Vesa_Install, NULL, "PCI", "VM8086", NULL);
@@ -32,20 +40,29 @@ tDevFS_Driver	gVesa_DriverStruct = {
 	{
 	.Read = Vesa_Read,
 	.Write = Vesa_Write,
-	.IOCtl = Vesa_Ioctl
+	.IOCtl = Vesa_IOCtl
 	}
 };
-tSpinlock	glVesa_Lock;
+tMutex	glVesa_Lock;
 tVM8086	*gpVesa_BiosState;
- int	giVesaCurrentMode = -1;
- int	giVesaCurrentFormat = VIDEO_BUFFMT_TEXT;
  int	giVesaDriverId = -1;
-char	*gVesaFramebuffer = (void*)0xC00A0000;
+// --- Video Modes ---
+ int	giVesaCurrentMode = 0;
 tVesa_Mode	*gVesa_Modes;
+tVesa_Mode	*gpVesaCurMode;
  int	giVesaModeCount = 0;
- int	giVesaPageCount = 0;
+// --- Framebuffer ---
+char	*gpVesa_Framebuffer = (void*)VESA_DEFAULT_FRAMEBUFFER;
+ int	giVesaPageCount = 0;	//!< Framebuffer size in pages
+// --- Cursor Control ---
+ int	giVesaCursorX = -1;
+ int	giVesaCursorY = -1;
+ int	giVesaCursorTimer = -1;	// Invalid timer
+ int	gbVesa_CursorVisible = 0;
+// --- 2D Video Stream Handlers ---
+tDrvUtil_Video_BufInfo	gVesa_BufInfo;
 
-//CODE
+// === CODE ===
 int Vesa_Install(char **Arguments)
 {
 	tVesa_CallInfo	*info;
@@ -67,17 +84,19 @@ int Vesa_Install(char **Arguments)
 	// Call Interrupt
 	VM8086_Int(gpVesa_BiosState, 0x10);
 	if(gpVesa_BiosState->AX != 0x004F) {
-		Log_Warning("Vesa", "Vesa_Install - VESA/VBE Unsupported (AX = 0x%x)\n", gpVesa_BiosState->AX);
+		Log_Warning("VESA", "Vesa_Install - VESA/VBE Unsupported (AX = 0x%x)", gpVesa_BiosState->AX);
 		return MODULE_ERR_NOTNEEDED;
 	}
 	
-	Log_Debug("Vesa", "info->VideoModes = %04x:%04x", info->VideoModes.seg, info->VideoModes.ofs);
+	//Log_Debug("VESA", "info->VideoModes = %04x:%04x", info->VideoModes.seg, info->VideoModes.ofs);
 	modes = (Uint16 *) VM8086_GetPointer(gpVesa_BiosState, info->VideoModes.seg, info->VideoModes.ofs);
 	
 	// Read Modes
 	for( giVesaModeCount = 0; modes[giVesaModeCount] != 0xFFFF; giVesaModeCount++ );
 	gVesa_Modes = (tVesa_Mode *)malloc( giVesaModeCount * sizeof(tVesa_Mode) );
 	
+	Log_Debug("VESA", "%i Modes", giVesaModeCount);
+	
 	// Insert Text Mode
 	gVesa_Modes[0].width = 80;
 	gVesa_Modes[0].height = 25;
@@ -103,18 +122,19 @@ int Vesa_Install(char **Arguments)
 		{
 			gVesa_Modes[i].flags |= FLAG_LFB;
 			gVesa_Modes[i].framebuffer = modeinfo->physbase;
-			gVesa_Modes[i].fbSize = modeinfo->Xres*modeinfo->Yres*modeinfo->bpp/8;
+			gVesa_Modes[i].fbSize = modeinfo->Yres*modeinfo->pitch;
 		} else {
 			gVesa_Modes[i].framebuffer = 0;
 			gVesa_Modes[i].fbSize = 0;
 		}
 		
+		gVesa_Modes[i].pitch = modeinfo->pitch;
 		gVesa_Modes[i].width = modeinfo->Xres;
 		gVesa_Modes[i].height = modeinfo->Yres;
 		gVesa_Modes[i].bpp = modeinfo->bpp;
 		
 		#if DEBUG
-		Log_Log("Vesa", "0x%x - %ix%ix%i",
+		Log_Log("VESA", "0x%x - %ix%ix%i",
 			gVesa_Modes[i].code, gVesa_Modes[i].width, gVesa_Modes[i].height, gVesa_Modes[i].bpp);
 		#endif
 	}
@@ -132,7 +152,7 @@ int Vesa_Install(char **Arguments)
 Uint64 Vesa_Read(tVFS_Node *Node, Uint64 off, Uint64 len, void *buffer)
 {
 	#if DEBUG >= 2
-	LogF("Vesa_Read: () - NULL\n");
+	Log("Vesa_Read: () - NULL\n");
 	#endif
 	return 0;
 }
@@ -142,155 +162,26 @@ Uint64 Vesa_Read(tVFS_Node *Node, Uint64 off, Uint64 len, void *buffer)
  */
 Uint64 Vesa_Write(tVFS_Node *Node, Uint64 Offset, Uint64 Length, void *Buffer)
 {
-	ENTER("pNode XOffset XLength pBuffer", Node, Offset, Length, Buffer);
-
-	if(Buffer == NULL) {
-		LEAVE('i', 0);
-		return 0;
-	}
-
-	// Default Text mode
-	if( giVesaCurrentMode == 0 )
-	{
-		Uint8	*fb = (Uint8 *)(KERNEL_BASE|0xB8000);
-		Uint32	*buf = Buffer;
-		 int	rem;
-		
-		if( giVesaCurrentFormat != VIDEO_BUFFMT_TEXT ) {
-			Log_Warning("VESA", "Vesa_Write - Mode 0 is not framebuffer");
-			LEAVE('i', -1);
-			return -1;
-		}
-		
-		if( Offset + Length > 25*80*8 ) {
-			Log_Warning("VESA", "Vesa_Write - Framebuffer Overflow");
-			LEAVE('i', 0);
-			return 0;
-		}
-		
-		fb += 2*Offset;
-		for(rem = Length / sizeof(tVT_Char); rem --; fb += 2)
-		{
-			if( *buf < 0x80 )
-				*fb = *buf & 0x7F;
-			else
-				*fb = 0x00;
-			buf ++;
-			
-			fb[1] = 0;
-			fb[1] |= (*buf & 0x888) == 0x888 ? 0x8 : 0;
-			fb[1] |= (*buf & 0x700) > 0x300 ? 0x4 : 0;
-			fb[1] |= (*buf & 0x070) > 0x030 ? 0x2 : 0;
-			fb[1] |= (*buf & 0x007) > 0x003 ? 0x1 : 0;
-			fb[1] |= (*buf & 0x888000) == 0x888000 ? 0x80 : 0;
-			fb[1] |= (*buf & 0x700000) > 0x300000 ? 0x40 : 0;
-			fb[1] |= (*buf & 0x070000) > 0x030000 ? 0x20 : 0;
-			fb[1] |= (*buf & 0x007000) > 0x003000 ? 0x10 : 0;
-			buf ++;
-		}
-		Length /= sizeof(tVT_Char);
-		Length *= sizeof(tVT_Char);
-		LEAVE('X', Length);
-		return Length;
-	}
-
 	if( gVesa_Modes[giVesaCurrentMode].framebuffer == 0 ) {
 		Log_Warning("VESA", "Vesa_Write - Non-LFB Modes not yet supported.");
-		LEAVE('i', 0);
 		return 0;
 	}
-	
-	// Text Mode
-	switch( giVesaCurrentFormat )
-	{
-	case VIDEO_BUFFMT_TEXT:
-		{
-		tVT_Char	*chars = Buffer;
-		 int	pitch = gVesa_Modes[giVesaCurrentMode].width * giVT_CharWidth;
-		 int	x, y;
-		Uint32	*dest;
-		 int	rem;
-		
-		Offset /= sizeof(tVT_Char);
-		dest = (void*)gVesaFramebuffer;
-		x = (Offset % gVesa_Modes[giVesaCurrentMode].width) * giVT_CharWidth;
-		y = (Offset / gVesa_Modes[giVesaCurrentMode].width) * giVT_CharHeight;
-		
-		// Sanity Check
-		if(y > gVesa_Modes[giVesaCurrentMode].height) {
-			LEAVE('i', 0);
-			return 0;
-		}
-		
-		dest += y * pitch;
-		dest += x * giVT_CharWidth;
-		for( rem = Length / sizeof(tVT_Char); rem--; )
-		{
-			VT_Font_Render(
-				chars->Ch,
-				dest, pitch,
-				VT_Colour12to24(chars->BGCol),
-				VT_Colour12to24(chars->FGCol)
-				);
-			
-			dest += giVT_CharWidth;
-			
-			chars ++;
-			x += giVT_CharWidth;
-			if( x >= pitch ) {
-				x = 0;
-				y += giVT_CharHeight;
-				dest += pitch*(giVT_CharHeight-1);
-			}
-		}
-		Length /= sizeof(tVT_Char);
-		Length *= sizeof(tVT_Char);
-		}
-		break;
-	
-	case VIDEO_BUFFMT_FRAMEBUFFER:
-		{
-		Uint8	*destBuf = (Uint8*) ((Uint)gVesaFramebuffer + (Uint)Offset);
-		
-		if(gVesa_Modes[giVesaCurrentMode].fbSize < Offset+Length)
-		{
-			Log_Warning("VESA", "Vesa_Write - Framebuffer Overflow");
-			LEAVE('i', 0);
-			return 0;
-		}
-		
-		LOG("buffer = %p", Buffer);
-		LOG("Updating Framebuffer (%p to %p)", destBuf, destBuf + (Uint)Length);
-		
-		
-		// Copy to Frambuffer
-		memcpy(destBuf, Buffer, Length);
-		
-		LOG("BGA Framebuffer updated");
-		}
-		break;
-	default:
-		LEAVE('i', -1);
-		return -1;
-	}
-	
-	LEAVE('X', Length);
-	return Length;
+
+	return DrvUtil_Video_WriteLFB(&gVesa_BufInfo, Offset, Length, Buffer);
 }
 
+const char *csaVESA_IOCtls[] = {DRV_IOCTLNAMES, DRV_VIDEO_IOCTLNAMES, NULL};
 /**
- * \fn int Vesa_Ioctl(vfs_node *node, int id, void *data)
  * \brief Handle messages to the device
  */
-int Vesa_Ioctl(tVFS_Node *Node, int ID, void *Data)
+int Vesa_IOCtl(tVFS_Node *Node, int ID, void *Data)
 {
 	 int	ret;
+	//Log_Debug("VESA", "Vesa_Ioctl: (Node=%p, ID=%i, Data=%p)", Node, ID, Data);
 	switch(ID)
 	{
-	case DRV_IOCTL_TYPE:	return DRV_TYPE_VIDEO;
-	case DRV_IOCTL_IDENT:	memcpy("VESA", Data, 4);	return 1;
-	case DRV_IOCTL_VERSION:	return VERSION;
-	
+	BASE_IOCTLS(DRV_TYPE_VIDEO, "VESA", VERSION, csaVESA_IOCtls);
+
 	case VIDEO_IOCTL_GETSETMODE:
 		if( !Data )	return giVesaCurrentMode;
 		return Vesa_Int_SetMode( *(int*)Data );
@@ -301,34 +192,47 @@ int Vesa_Ioctl(tVFS_Node *Node, int ID, void *Data)
 		return Vesa_Int_ModeInfo((tVideo_IOCtl_Mode*)Data);
 	
 	case VIDEO_IOCTL_SETBUFFORMAT:
-		ret = giVesaCurrentFormat;
-		if(Data)	giVesaCurrentFormat = *(int*)Data;
+		Vesa_int_HideCursor();
+		ret = gVesa_BufInfo.BufferFormat;
+		if(Data)	gVesa_BufInfo.BufferFormat = *(int*)Data;
+		if(gVesa_BufInfo.BufferFormat == VIDEO_BUFFMT_TEXT)
+			DrvUtil_Video_SetCursor( &gVesa_BufInfo, &gDrvUtil_TextModeCursor );
+		Vesa_int_ShowCursor();
 		return ret;
 	
-	case VIDEO_IOCTL_REQLFB:	// Request Linear Framebuffer
+	case VIDEO_IOCTL_SETCURSOR:	// Set cursor position
+		Vesa_int_HideCursor();
+		giVesaCursorX = ((tVideo_IOCtl_Pos*)Data)->x;
+		giVesaCursorY = ((tVideo_IOCtl_Pos*)Data)->y;
+		Vesa_int_ShowCursor();
+		return 0;
+	
+	case VIDEO_IOCTL_SETCURSORBITMAP:
+		DrvUtil_Video_SetCursor( &gVesa_BufInfo, Data );
 		return 0;
 	}
 	return 0;
 }
 
+/**
+ * \brief Updates the video mode
+ */
 int Vesa_Int_SetMode(int mode)
 {	
-	#if DEBUG
-	LogF("Vesa_Int_SetMode: (mode=%i)\n", mode);
-	#endif
-	
 	// Sanity Check values
 	if(mode < 0 || mode > giVesaModeCount)	return -1;
-	
+
 	// Check for fast return
 	if(mode == giVesaCurrentMode)	return 1;
 	
-	LOCK( &glVesa_Lock );
+	Time_RemoveTimer(giVesaCursorTimer);
+	giVesaCursorTimer = -1;
+	
+	Mutex_Acquire( &glVesa_Lock );
 	
 	gpVesa_BiosState->AX = 0x4F02;
 	gpVesa_BiosState->BX = gVesa_Modes[mode].code;
 	if(gVesa_Modes[mode].flags & FLAG_LFB) {
-		Log_Log("VESA", "Using LFB");
 		gpVesa_BiosState->BX |= 0x4000;	// Bit 14 - Use LFB
 	}
 	
@@ -336,18 +240,30 @@ int Vesa_Int_SetMode(int mode)
 	VM8086_Int(gpVesa_BiosState, 0x10);
 	
 	// Map Framebuffer
-	MM_UnmapHWPages((tVAddr)gVesaFramebuffer, giVesaPageCount);
+	if( (tVAddr)gpVesa_Framebuffer != VESA_DEFAULT_FRAMEBUFFER )
+		MM_UnmapHWPages((tVAddr)gpVesa_Framebuffer, giVesaPageCount);
 	giVesaPageCount = (gVesa_Modes[mode].fbSize + 0xFFF) >> 12;
-	gVesaFramebuffer = (void*)MM_MapHWPages(gVesa_Modes[mode].framebuffer, giVesaPageCount);
+	gpVesa_Framebuffer = (void*)MM_MapHWPages(gVesa_Modes[mode].framebuffer, giVesaPageCount);
 	
-	LogF("Vesa", "Framebuffer (Phys) = 0x%x", gVesa_Modes[mode].framebuffer);
-	LogF("Vesa", "Framebuffer (Virt) = 0x%x", gVesaFramebuffer);
+	Log_Log("VESA", "Setting mode to %i (%ix%i %ibpp) %p[0x%x] maps %P",
+		mode,
+		gVesa_Modes[mode].width, gVesa_Modes[mode].height,
+		gVesa_Modes[mode].bpp,
+		gpVesa_Framebuffer, giVesaPageCount << 12, gVesa_Modes[mode].framebuffer
+		);
 	
 	// Record Mode Set
 	giVesaCurrentMode = mode;
+	gpVesaCurMode = &gVesa_Modes[giVesaCurrentMode];
 	
-	RELEASE( &glVesa_Lock );
-	
+	Mutex_Release( &glVesa_Lock );
+
+	gVesa_BufInfo.Framebuffer = gpVesa_Framebuffer;
+	gVesa_BufInfo.Pitch = gVesa_Modes[mode].pitch;
+	gVesa_BufInfo.Width = gVesa_Modes[mode].width;
+	gVesa_BufInfo.Height = gVesa_Modes[mode].height;
+	gVesa_BufInfo.Depth = gVesa_Modes[mode].bpp;	
+
 	return 1;
 }
 
@@ -363,19 +279,36 @@ int Vesa_Int_FindMode(tVideo_IOCtl_Mode *data)
 	{
 		LOG("Mode %i (%ix%ix%i)", i, gVesa_Modes[i].width, gVesa_Modes[i].height, gVesa_Modes[i].bpp);
 	
-		if(gVesa_Modes[i].width == data->width
-		&& gVesa_Modes[i].height == data->height
-		&& gVesa_Modes[i].bpp == data->bpp)
+		if(gVesa_Modes[i].width == data->width && gVesa_Modes[i].height == data->height)
 		{
-			LOG("Perfect!");
-			best = i;
-			break;
+			//if( (data->bpp == 32 || data->bpp == 24)
+			// && (gVesa_Modes[i].bpp == 32 || gVesa_Modes[i].bpp == 24) )
+			if( data->bpp == gVesa_Modes[i].bpp )
+			{
+				LOG("Perfect!");
+				best = i;
+				break;
+			}
 		}
 		
-		tmp = gVesa_Modes[i].width * gVesa_Modes[i].height * gVesa_Modes[i].bpp;
-		tmp -= data->width * data->height * data->bpp;
+		tmp = gVesa_Modes[i].width * gVesa_Modes[i].height;
+		tmp -= data->width * data->height;
 		tmp = tmp < 0 ? -tmp : tmp;
-		factor = tmp * 100 / (data->width * data->height * data->bpp);
+		factor = tmp * 1000 / (data->width * data->height);
+		
+		if( data->bpp == 8 && gVesa_Modes[i].bpp != 8 )	continue;
+		if( data->bpp == 16 && gVesa_Modes[i].bpp != 16 )	continue;
+		
+		if( (data->bpp == 32 || data->bpp == 24)
+		 && (gVesa_Modes[i].bpp == 32 || gVesa_Modes[i].bpp == 24) )
+		{
+			if( data->bpp == gVesa_Modes[i].bpp )
+				factor /= 2;
+		}
+		else {
+			if( data->bpp != gVesa_Modes[i].bpp )
+				continue ;
+		}
 		
 		LOG("factor = %i", factor);
 		
@@ -401,3 +334,59 @@ int Vesa_Int_ModeInfo(tVideo_IOCtl_Mode *data)
 	data->bpp = gVesa_Modes[data->id].bpp;
 	return 1;
 }
+
+void Vesa_int_HideCursor(void)
+{
+	DrvUtil_Video_RemoveCursor( &gVesa_BufInfo );
+	#if BLINKING_CURSOR
+	if(giVesaCursorTimer != -1) {
+		Time_RemoveTimer(giVesaCursorTimer);
+		giVesaCursorTimer = -1;
+	}
+	#endif
+}
+
+void Vesa_int_ShowCursor(void)
+{
+	gbVesa_CursorVisible = (giVesaCursorX >= 0);
+	if(gVesa_BufInfo.BufferFormat == VIDEO_BUFFMT_TEXT)
+	{
+		DrvUtil_Video_DrawCursor(
+			&gVesa_BufInfo,
+			giVesaCursorX*giVT_CharWidth,
+			giVesaCursorY*giVT_CharHeight
+			);
+		#if BLINKING_CURSOR
+		giVesaCursorTimer = Time_CreateTimer(VESA_CURSOR_PERIOD, Vesa_FlipCursor, NULL);
+		#endif
+	}
+	else
+		DrvUtil_Video_DrawCursor(
+			&gVesa_BufInfo,
+			giVesaCursorX,
+			giVesaCursorY
+			);
+}
+
+/**
+ * \brief Swaps the text cursor on/off
+ */
+void Vesa_FlipCursor(void *Arg)
+{
+	if( gVesa_BufInfo.BufferFormat != VIDEO_BUFFMT_TEXT )
+		return ;
+
+	if( gbVesa_CursorVisible )
+		DrvUtil_Video_RemoveCursor(&gVesa_BufInfo);
+	else
+		DrvUtil_Video_DrawCursor(&gVesa_BufInfo,
+			giVesaCursorX*giVT_CharWidth,
+			giVesaCursorY*giVT_CharHeight
+			);
+	gbVesa_CursorVisible = !gbVesa_CursorVisible;
+		
+	#if BLINKING_CURSOR
+	giVesaCursorTimer = Time_CreateTimer(VESA_CURSOR_PERIOD, Vesa_FlipCursor, Arg);
+	#endif
+}
+