neomagic tv out support throught vesa vbe, patch by Rudolf Marek

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@12661 b3059339-0415-0410-9bf9-f77b7e298cf2

AUTHORS

@@ -456,6 +456,7 @@ Makovicka, Jindrich (henry) <makovick@KMLinux.fjfi.cvut.cz>
 
 Marek, Rudolf <MAREKR2@cs.felk.cvut.cz>
     * gtf code for -vo vesa
+    * neomagic tv out support through vesa vbe
 
 Megyer, László (Lez, Laaz) <lez@sch.bme.hu>
     * subtitle reader

libvo/vo_vesa.c

@@ -123,6 +123,10 @@ static int vidix_opened = 0;
 static vidix_grkey_t gr_key;
 #endif
 
+/* Neomagic TV out */
+static int neomagic_tvout = 0;
+static int neomagic_tvnorm = NEO_PAL;
+ 
 #define HAS_DGA()  (win.idx == -1)
 #define MOVIE_MODE (MODE_ATTR_COLOR | MODE_ATTR_GRAPHICS)
 #define FRAME_MODE (MODE_WIN_RELOCATABLE | MODE_WIN_WRITEABLE)
@@ -444,6 +448,10 @@ static uint32_t parseSubDevice(const char *sd)
    else
    if(strcmp(sd,"dga") == 0)   { flags &= ~(SUBDEV_NODGA); flags |= SUBDEV_FORCEDGA; }
    else
+   if(strcmp(sd,"neotv_pal") == 0)   { neomagic_tvout = 1; neomagic_tvnorm = NEO_PAL; }
+   else
+   if(strcmp(sd,"neotv_ntsc") == 0)   { neomagic_tvout = 1; neomagic_tvnorm = NEO_NTSC; }
+   else
    if(memcmp(sd,"lvo:",4) == 0) lvo_name = &sd[4]; /* lvo_name will be valid within init() */
 #ifdef CONFIG_VIDIX
    else
@@ -927,6 +935,15 @@ config(uint32_t width, uint32_t height, uint32_t d_width, uint32_t d_height, uin
 			return -1;
 		}
 		
+		if (neomagic_tvout) {
+		    err = vbeSetTV(video_mode,neomagic_tvnorm);
+		    if (err!=0x4f) {
+		    printf("vo_vesa: Sorry unsupported mode, try -x 640 -zoom\n");
+		    }
+		    else {
+		    printf("vo_vesa: Oh you really have picture on TV!\n");
+		    } 
+		}
 		/* Now we are in video mode!!!*/
 		/* Below 'return -1' is impossible */
 		if(verbose)

osdep/vbelib.c

@@ -6,6 +6,7 @@
    You can redistribute this file under terms and conditions
    of GNU General Public licence v2.
    Written by Nick Kurshev <nickols_k@mail.ru>
+   Neomagic TV out support by Rudolf Marek <r.marek et sh.cvut.cz>
 */
 
 #include <../config.h>
@@ -336,6 +337,46 @@ int vbeGetModeInfo(unsigned mode,struct VesaModeInfoBlock *data)
   return retval;
 }
 
+
+int vbeSetTV(unsigned int vesa_mode,unsigned int TV_mode) {
+
+#define NR_MODES 8
+
+unsigned int mode_table[NR_MODES] =    
+			{0x101,0x103,0x111,0x114,0x120,0x121,0x122,0x123};
+unsigned int tv_table[][NR_MODES] = {
+	        	{0x201,0x202,0x211,0x212,0x221,0x231,0x222,0x232},
+	        	{0x200,0x203,0x210,0x213,0x220,0x230,0xFFFF,0xFFFF}};
+
+/*
+
+Alternate mode map. If modes like 320x240 and 400x300 does not work, but
+640x480 and 800x600 work, then try to replace above two lines with this
+lines and write email to me if it works.
+r.marek et sh.cvut.cz
+
+	        	{0x201,0x202,0x211,0x212,0x222,0x223,0x224,0x225},
+	        	{0x200,0x203,0x210,0x213,0x220,0x221,0xFFFF,0xFFFF}};
+
+*/				 
+  int i,retval;
+  struct LRMI_regs r;
+
+  memset(&r,0,sizeof(struct LRMI_regs));
+  for (i=0;((mode_table[i]!=(vesa_mode&0x3FF))&&(i<NR_MODES));i++) ;
+  
+  if (i==NR_MODES) return 0;
+  if(verbose > 1) printf("vbelib: Trying to set TV mode %x\n",tv_table[TV_mode][i]);
+  r.eax = 0x4f14;
+  r.ebx = 0x20;
+  r.edx = 0;
+  r.edi = 0;
+  r.ecx =  tv_table[TV_mode][i];
+  retval = VBE_LRMI_int(0x10,&r);
+  if(!retval) return VBE_VM86_FAIL;
+  return r.eax & 0xffff;
+  
+}
 int vbeSetMode(unsigned mode,struct VesaCRTCInfoBlock *data)
 {
   struct LRMI_regs r;

osdep/vbelib.h

@@ -82,6 +82,8 @@ static inline void * PhysToVirtSO(unsigned short seg,unsigned short off)
 #define MODE_WIN_RELOCATABLE 	(1 << 0)
 #define MODE_WIN_READABLE 	(1 << 1)
 #define MODE_WIN_WRITEABLE 	(1 << 2)
+#define NEO_PAL 0
+#define NEO_NTSC 1
 
 /* SuperVGA mode information block */
 struct VesaModeInfoBlock {
@@ -211,6 +213,7 @@ extern int vbeSetScanLineLengthB(unsigned num_bytes);
 extern int vbeGetDisplayStart(unsigned *pixel_num,unsigned *scan_line);
 extern int vbeSetDisplayStart(unsigned long offset, int vsync);
 extern int vbeSetScheduledDisplayStart(unsigned long offset, int vsync);
+extern int vbeSetTV(unsigned int vesa_mode,unsigned int TV_mode);
 /*
    Func 0x08-0x09:
    Support of palette currently is not implemented.