- preliminary Wii DVD support (with libdi)

- misc small dvd fixes

Makefile.wii

@@ -28,20 +28,20 @@ INCLUDES	:=	source/snes9x source/ngc
 #---------------------------------------------------------------------------------
 
 CFLAGS	=	-g -O2 -Wall $(MACHDEP) $(INCLUDE) \
-			-DNGC -DHW_RVL -DNO_ASM -DCPU_SHUTDOWN -DSPC700C \
+			-DNGC -DNO_ASM -DCPU_SHUTDOWN -DSPC700C \
 			-DSPC700_SHUTDOWN -DNEW_COLOUR_BLENDING \
 			-DNO_INLINE_GET_SET -DSDD1_DECOMP -DCORRECT_VRAM_READS \
 			-DDETECT_NASTY_FX_INTERLEAVE -DNGC_ZOOM -DSDUSE_LFN \
-			-DFORCE_WII=1 $(CUSTOMFLAGS) \
+			-DFORCE_WII -DWII_DVD $(CUSTOMFLAGS) \
 			-fomit-frame-pointer -fno-exceptions -Wno-unused-parameter -pipe
 CXXFLAGS	=	$(CFLAGS)
 
-LDFLAGS	=	-g $(MACHDEP) -Wl,-Map,$(notdir $@).map -Wl,--cref
+LDFLAGS	=	-g $(MACHDEP) -Wl,-Map,$(notdir $@).map
 
 #---------------------------------------------------------------------------------
 # any extra libraries we wish to link with the project
 #---------------------------------------------------------------------------------
-LIBS	:=	-lpng -lmxml -lfat -lwiiuse -lz -lbte -logc -lm -lfreetype -ltinysmb
+LIBS	:=	-ldi -lpng -lmxml -lfat -lwiiuse -lz -lbte -logc -lm -lfreetype -ltinysmb
 
 #---------------------------------------------------------------------------------
 # list of directories containing libraries, this must be the top level containing

source/ngc/dvd.cpp

@@ -12,6 +12,10 @@
 #include <stdlib.h>
 #include <string.h>
 
+#ifdef WII_DVD
+#include <di/di.h>
+#endif
+
 #include "menudraw.h"
 #include "snes9xGx.h"
 #include "unzip.h"
@@ -24,8 +28,10 @@ u64 dvddir = 0;
 u64 dvdrootdir = 0;
 int dvddirlength = 0;
 
+#ifdef HW_DOL
 /** DVD I/O Address base **/
 volatile unsigned long *dvd = (volatile unsigned long *) 0xCC006000;
+#endif
 
  /** Due to lack of memory, we'll use this little 2k keyhole for all DVD operations **/
 unsigned char DVDreadbuffer[2048] ATTRIBUTE_ALIGN (32);
@@ -37,10 +43,11 @@ unsigned char dvdbuffer[2048];
   *
   * Gets and returns the dvd driveid
 **/
-static unsigned char *inquiry=(unsigned char *)0x80000004;
-
+#ifdef HW_DOL
 int dvd_driveid()
 {
+	static unsigned char *inquiry=(unsigned char *)0x80000004;
+	
     dvd[0] = 0x2e;
     dvd[1] = 0;
     dvd[2] = 0x12000000;
@@ -56,11 +63,14 @@ int dvd_driveid()
 
     return (int)inquiry[2];
 }
+#endif
+
 
  /**
   * dvd_read
   *
   * The only DVD function we need - you gotta luv gc-linux self-boots!
+  * returns: 1 - ok ; 0 - error
   */
 int
 dvd_read (void *dst, unsigned int len, u64 offset)
@@ -69,32 +79,44 @@ dvd_read (void *dst, unsigned int len, u64 offset)
 	unsigned char *buffer = (unsigned char *) (unsigned int) DVDreadbuffer;
 
 	if (len > 2048)
-    return 1;				/*** We only allow 2k reads **/
+		return 0;				/*** We only allow 2k reads **/
 
 	DCInvalidateRange ((void *) buffer, len);
 
 	if(offset < 0x57057C00 || (isWii == true && offset < 0x118244F00LL)) // don't read past the end of the DVD
 	{
 		offset >>= 2;
+		
+	#ifdef HW_DOL
+		
 		dvd[0] = 0x2E;
 		dvd[1] = 0;
 		dvd[2] = 0xA8000000;
 		dvd[3] = (u32)offset;
 		dvd[4] = len;
-      dvd[5] = (unsigned long) buffer;
+		dvd[5] = (u32) buffer;
 		dvd[6] = len;
 		dvd[7] = 3;			/*** Enable reading with DMA ***/
 		while (dvd[7] & 1);
 		memcpy (dst, buffer, len);
-    }
-  else				// Let's not read past end of DVD
-    return 0;
 		
 		if (dvd[0] & 0x4)		/* Ensure it has completed */
 			return 0;
 			
 		return 1;
 		
+	#elif WII_DVD
+		int ret = 1;
+		ret = DI_ReadDVD(dst, (u32)len, (u32)offset);
+		if (ret==0)
+			return 1;
+		else
+			return 0;
+	#endif
+	}
+	else				// Let's not read past end of DVD
+		return 0;
+
 }
 
 /** Minimal ISO Directory Definition **/
@@ -127,7 +149,7 @@ getpvd ()
 	/** Look for Joliet PVD first **/
 	while (sector < 32)
 	{
-		if (dvd_read (dvdbuffer, 2048, (u64)(sector << 11)))
+		if (dvd_read (&dvdbuffer, 2048, (u64)(sector << 11)))
 		{
 			if (memcmp (&dvdbuffer, "\2CD001\1", 8) == 0)
 			{
@@ -180,14 +202,15 @@ getpvd ()
  ****************************************************************************/
 bool TestDVD()
 {
-	// DVD not available on Wii - disable
-	#ifdef HW_RVL
-	return false;
-	#endif
 
 	if (!getpvd())
 	{
+		#ifdef HW_DOL
 		DVD_Mount();
+		#elif WII_DVD
+		DI_Mount();
+		while(DI_GetStatus() & DVD_INIT);
+		#endif
 		if (!getpvd())
 			return false;
 	}
@@ -250,7 +273,7 @@ getentry (int entrycount)
 				fname[j] = 0;
 
 				if (strlen (fname) >= MAXJOLIET)
-					fname[MAXJOLIET] = 0;
+					fname[MAXJOLIET - 1] = 0;
 
 				if (strlen (fname) == 0)
 					fname[0] = filename[0];
@@ -285,7 +308,7 @@ getentry (int entrycount)
 				*rr = 0;
 
 			strcpy (filelist[entrycount].filename, fname);
-			fname[MAXDISPLAY] = 0;
+			fname[MAXDISPLAY - 1] = 0;
 			strcpy (filelist[entrycount].displayname, fname);
 
 			memcpy (&offset32, &dvdbuffer[diroffset + EXTENT], 4);
@@ -488,6 +511,7 @@ LoadDVDFile (unsigned char *buffer)
  *
  * libOGC tends to foul up if you don't, and sometimes does if you do!
  ****************************************************************************/
+#ifdef HW_DOL
 void uselessinquiry ()
 {
 	dvd[0] = 0;
@@ -518,4 +542,5 @@ void dvd_motor_off( )
 	dvd[0] = 0x14;
 	dvd[1] = 0;
 }
+#endif
 

source/ngc/filesel.cpp

@@ -19,6 +19,10 @@
 #include <wiiuse/wpad.h>
 #include <sys/dir.h>
 
+#ifdef WII_DVD
+#include <di/di.h>
+#endif
+
 #include "snes9x.h"
 #include "memmap.h"
 
@@ -454,11 +458,26 @@ OpenDVD (int method)
 	if (!getpvd())
 	{
 		ShowAction((char*) "Loading DVD...");
+		#ifdef HW_DOL
 		DVD_Mount(); // mount the DVD unit again
+		#elif WII_DVD
+		u32 val;
+		DI_GetCoverRegister(&val);
+		if(val & 0x1)	// True if no disc inside, use (val & 0x2) for true if disc inside.
+		{
+			WaitPrompt("No disc inserted!");
+			return 0;
+		}
+		DI_Mount();
+		while(DI_GetStatus() & DVD_INIT);
+		#endif
 
 		if (!getpvd())
+		{
+			WaitPrompt ((char *)"Invalid DVD.");
 			return 0; // not a ISO9660 DVD
 		}
+	}
 
 	maxfiles = ParseDVDdirectory(); // load root folder
 

source/ngc/menu.cpp

@@ -18,6 +18,10 @@
 #include <string.h>
 #include <wiiuse/wpad.h>
 
+#ifdef WII_DVD
+#include <di/di.h>
+#endif
+
 #include "snes9x.h"
 #include "memmap.h"
 #include "debug.h"
@@ -150,8 +154,8 @@ PreferencesMenu ()
 			GCSettings.SaveMethod++;
 		#endif
 
-		// disable DVD access in Wii mode
-		#ifdef HW_RVL
+		// check if DVD access in Wii mode is disabled
+		#ifndef WII_DVD
 		if(GCSettings.LoadMethod == METHOD_DVD)
 			GCSettings.LoadMethod++;
 		#endif
@@ -977,6 +981,9 @@ mainmenu (int selectedMenu)
 			case 6:
 				// Exit to Loader
 				#ifdef HW_RVL
+					#ifdef WII_DVD
+					DI_Close();
+					#endif
 					exit(0);
 				#else	// gamecube
 					if (psoid[0] == PSOSDLOADID)

source/ngc/snes9xGX.cpp

@@ -165,6 +165,10 @@
 #include <sdcard/card_io.h>
 #include <fat.h>
 
+#ifdef WII_DVD
+#include <di/di.h>
+#endif
+
 #include "snes9x.h"
 #include "memmap.h"
 #include "debug.h"
@@ -831,6 +835,10 @@ emulate ()
 int
 main ()
 {
+#ifdef WII_DVD
+	DI_Init();	// first
+#endif
+	
 	unsigned int save_flags;
 	int selectedMenu = -1;
 	

source/ngc/video.cpp

@@ -401,7 +401,7 @@ clearscreen (int colour)
   memcpy ((char *) xfb[whichfb], (char *) backdrop, 640 * screenheight * 2);
 #else
   // on gc copy from aram
-  ARAMFetch ((char *) xfb[whichfb], (char *) AR_BACKDROP, 640 * screenheight * 2);			// FIX
+  ARAMFetch ((char *) xfb[whichfb], (char *) AR_BACKDROP, 640 * screenheight * 2);
 #endif
 }