Move driver files directly into the vidix directory.

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@22868 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 1066 insertions, 0 deletions

diff --git a/vidix/mach64_vid.c b/vidix/mach64_vid.c
new file mode 100644
index 0000000000..a967506396
--- /dev/null
+++ b/vidix/mach64_vid.c
@@ -0,0 +1,1066 @@
+/*
+   mach64_vid - VIDIX based video driver for Mach64 and 3DRage chips
+   Copyrights 2002 Nick Kurshev. This file is based on sources from
+   GATOS (gatos.sf.net) and X11 (www.xfree86.org)
+   Licence: GPL
+   WARNING: THIS DRIVER IS IN BETTA STAGE
+*/
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#include <inttypes.h>
+#include <fcntl.h>
+
+#include "../config.h"
+#include "../libavutil/common.h"
+#include "../mpbswap.h"
+#include "vidix.h"
+#include "fourcc.h"
+#include "../libdha/libdha.h"
+#include "../libdha/pci_ids.h"
+#include "../libdha/pci_names.h"
+
+#include "mach64.h"
+#include "../version.h"
+
+#define UNUSED(x) ((void)(x)) /**< Removes warning about unused arguments */
+
+static void *mach64_mmio_base = 0;
+static void *mach64_mem_base = 0;
+static int32_t mach64_overlay_offset = 0;
+static uint32_t mach64_ram_size = 0;
+static uint32_t mach64_buffer_base[10][3];
+static int num_mach64_buffers=-1;
+static int supports_planar=0;
+static int supports_lcd_v_stretch=0;
+
+pciinfo_t pci_info;
+static int probed = 0;
+static int __verbose = 0;
+
+#define VERBOSE_LEVEL 1
+
+typedef struct bes_registers_s
+{
+  /* base address of yuv framebuffer */
+  uint32_t yuv_base;
+  uint32_t fourcc;
+  /* YUV BES registers */
+  uint32_t reg_load_cntl;
+  uint32_t scale_inc;
+  uint32_t y_x_start;
+  uint32_t y_x_end;
+  uint32_t vid_buf_pitch;
+  uint32_t height_width;
+
+  uint32_t scale_cntl;
+  uint32_t exclusive_horz;
+  uint32_t auto_flip_cntl;
+  uint32_t filter_cntl;
+  uint32_t key_cntl;
+  uint32_t test;
+  /* Configurable stuff */
+  
+  int brightness;
+  int saturation;
+  
+  int ckey_on;
+  uint32_t graphics_key_clr;
+  uint32_t graphics_key_msk;
+  
+  int deinterlace_on;
+  uint32_t deinterlace_pattern;
+  
+} bes_registers_t;
+
+static bes_registers_t besr;
+
+typedef struct video_registers_s
+{
+  const char * sname;
+  uint32_t name;
+  uint32_t value;
+}video_registers_t;
+
+static bes_registers_t besr;
+
+/* Graphic keys */
+static vidix_grkey_t mach64_grkey;
+
+#define DECLARE_VREG(name) { #name, name, 0 }
+static video_registers_t vregs[] = 
+{
+  DECLARE_VREG(OVERLAY_SCALE_INC),
+  DECLARE_VREG(OVERLAY_Y_X_START),
+  DECLARE_VREG(OVERLAY_Y_X_END),
+  DECLARE_VREG(OVERLAY_SCALE_CNTL),
+  DECLARE_VREG(OVERLAY_EXCLUSIVE_HORZ),
+  DECLARE_VREG(OVERLAY_EXCLUSIVE_VERT),
+  DECLARE_VREG(OVERLAY_TEST),
+  DECLARE_VREG(SCALER_BUF_PITCH),
+  DECLARE_VREG(SCALER_HEIGHT_WIDTH),
+  DECLARE_VREG(SCALER_BUF0_OFFSET),
+  DECLARE_VREG(SCALER_BUF0_OFFSET_U),
+  DECLARE_VREG(SCALER_BUF0_OFFSET_V),
+  DECLARE_VREG(SCALER_BUF1_OFFSET),
+  DECLARE_VREG(SCALER_BUF1_OFFSET_U),
+  DECLARE_VREG(SCALER_BUF1_OFFSET_V),
+  DECLARE_VREG(SCALER_H_COEFF0),
+  DECLARE_VREG(SCALER_H_COEFF1),
+  DECLARE_VREG(SCALER_H_COEFF2),
+  DECLARE_VREG(SCALER_H_COEFF3),
+  DECLARE_VREG(SCALER_H_COEFF4),
+  DECLARE_VREG(SCALER_COLOUR_CNTL),
+  DECLARE_VREG(SCALER_THRESHOLD),
+  DECLARE_VREG(VIDEO_FORMAT),
+  DECLARE_VREG(VIDEO_CONFIG),
+  DECLARE_VREG(VIDEO_SYNC_TEST),
+  DECLARE_VREG(VIDEO_SYNC_TEST_B)
+};
+
+/* have to restore it on exit */
+static uint32_t SAVED_OVERLAY_GRAPHICS_KEY_CLR;
+
+/* VIDIX exports */
+
+/* MMIO space*/
+#define GETREG(TYPE,PTR,OFFZ)		(*((volatile TYPE*)((PTR)+(OFFZ))))
+#define SETREG(TYPE,PTR,OFFZ,VAL)	(*((volatile TYPE*)((PTR)+(OFFZ))))=VAL
+
+#define INREG8(addr)		GETREG(uint8_t,(uint8_t *)mach64_mmio_base,((addr)^0x100)<<2)
+#define OUTREG8(addr,val)	SETREG(uint8_t,(uint8_t *)mach64_mmio_base,((addr)^0x100)<<2,val)
+
+static inline uint32_t INREG (uint32_t addr) {
+	uint32_t tmp = GETREG(uint32_t,(uint8_t *)mach64_mmio_base,((addr)^0x100)<<2);
+	return le2me_32(tmp);
+}
+#define OUTREG(addr,val)	SETREG(uint32_t,(uint8_t *)mach64_mmio_base,((addr)^0x100)<<2,le2me_32(val))
+
+#define OUTREGP(addr,val,mask)  					\
+	do {								\
+		unsigned int _tmp = INREG(addr);			\
+		_tmp &= (mask);						\
+		_tmp |= (val);						\
+		OUTREG(addr, _tmp);					\
+	} while (0)
+
+static __inline__ int ATIGetMach64LCDReg(int _Index)
+{
+        OUTREG8(LCD_INDEX, _Index);
+        return INREG(LCD_DATA);
+}
+
+static __inline__ uint32_t INPLL(uint32_t addr)
+{
+    uint32_t res;
+    uint32_t in;
+    
+    in= INREG(CLOCK_CNTL);
+    in &= ~((PLL_WR_EN | PLL_ADDR)); //clean some stuff
+    OUTREG(CLOCK_CNTL, in | (addr<<10));
+    
+    /* read the register value */
+    res = (INREG(CLOCK_CNTL)>>16)&0xFF;
+    return res;
+}
+
+static __inline__ void OUTPLL(uint32_t addr,uint32_t val)
+{
+//FIXME buggy but its not used
+    /* write addr byte */
+    OUTREG8(CLOCK_CNTL + 1, (addr << 2) | PLL_WR_EN);
+    /* write the register value */
+    OUTREG(CLOCK_CNTL + 2, val);
+    OUTREG8(CLOCK_CNTL + 1, (addr << 2) & ~PLL_WR_EN);
+}
+
+#define OUTPLLP(addr,val,mask)  					\
+	do {								\
+		unsigned int _tmp = INPLL(addr);			\
+		_tmp &= (mask);						\
+		_tmp |= (val);						\
+		OUTPLL(addr, _tmp);					\
+	} while (0)
+
+static void mach64_fifo_wait(unsigned n) 
+{
+    while ((INREG(FIFO_STAT) & 0xffff) > ((uint32_t)(0x8000 >> n)));
+}
+
+static void mach64_wait_for_idle( void ) 
+{
+    mach64_fifo_wait(16);
+    while ((INREG(GUI_STAT) & 1)!= 0);
+}
+
+static void mach64_wait_vsync( void )
+{
+    int i;
+
+    for(i=0; i<2000000; i++)
+	if( (INREG(CRTC_INT_CNTL)&CRTC_VBLANK)==0 ) break;
+    for(i=0; i<2000000; i++)
+	if( (INREG(CRTC_INT_CNTL)&CRTC_VBLANK) ) break;
+
+}
+
+static vidix_capability_t mach64_cap =
+{
+    "BES driver for Mach64/3DRage cards",
+    "Nick Kurshev and Michael Niedermayer",
+    TYPE_OUTPUT,
+    { 0, 0, 0, 0 },
+    2048,
+    2048,
+    4,
+    4,
+    -1,
+    FLAG_UPSCALER|FLAG_DOWNSCALER,
+    VENDOR_ATI,
+    -1,
+    { 0, 0, 0, 0 }
+};
+
+static uint32_t mach64_vid_get_dbpp( void )
+{
+  uint32_t dbpp,retval;
+  dbpp = (INREG(CRTC_GEN_CNTL)>>8)& 0x7;
+  switch(dbpp)
+  {
+    case 1: retval = 4; break;
+    case 2: retval = 8; break;
+    case 3: retval = 15; break;
+    case 4: retval = 16; break;
+    case 5: retval = 24; break;
+    default: retval=32; break;
+  }
+  return retval;
+}
+
+static int mach64_is_dbl_scan( void )
+{
+  return INREG(CRTC_GEN_CNTL) & CRTC_DBL_SCAN_EN;
+}
+
+static int mach64_is_interlace( void )
+{
+  return INREG(CRTC_GEN_CNTL) & CRTC_INTERLACE_EN;
+}
+
+static uint32_t mach64_get_xres( void )
+{
+  /* FIXME: currently we extract that from CRTC!!!*/
+  uint32_t xres,h_total;
+  h_total = INREG(CRTC_H_TOTAL_DISP);
+  xres = (h_total >> 16) & 0xffff;
+  return (xres + 1)*8;
+}
+
+static uint32_t mach64_get_yres( void )
+{
+  /* FIXME: currently we extract that from CRTC!!!*/
+  uint32_t yres,v_total;
+  v_total = INREG(CRTC_V_TOTAL_DISP);
+  yres = (v_total >> 16) & 0xffff;
+  return yres + 1;
+}
+
+// returns the verical stretch factor in 16.16
+static int mach64_get_vert_stretch(void)
+{
+    int lcd_index;
+    int vert_stretching;
+    int ext_vert_stretch;
+    int ret;
+    int yres= mach64_get_yres();
+
+    if(!supports_lcd_v_stretch){
+        if(__verbose>0) printf("[mach64] vertical stretching not supported\n");
+        return 1<<16;
+    }
+
+    lcd_index= INREG(LCD_INDEX);
+    
+    vert_stretching= ATIGetMach64LCDReg(LCD_VERT_STRETCHING);
+    if(!(vert_stretching&VERT_STRETCH_EN)) ret= 1<<16;
+    else
+    {
+    	int panel_size;
+        
+	ext_vert_stretch= ATIGetMach64LCDReg(LCD_EXT_VERT_STRETCH);
+	panel_size= (ext_vert_stretch&VERT_PANEL_SIZE)>>11;
+	panel_size++;
+	
+	ret= ((yres<<16) + (panel_size>>1))/panel_size;
+    }
+      
+//    lcd_gen_ctrl = ATIGetMach64LCDReg(LCD_GEN_CNTL);
+    
+    OUTREG(LCD_INDEX, lcd_index);
+    
+    if(__verbose>0) printf("[mach64] vertical stretching factor= %d\n", ret);
+    
+    return ret;
+}
+
+static void mach64_vid_make_default(void)
+{
+  mach64_fifo_wait(5);
+  OUTREG(SCALER_COLOUR_CNTL,0x00101000);
+
+  besr.ckey_on=0;
+  besr.graphics_key_msk=0;
+  besr.graphics_key_clr=0;
+
+  OUTREG(OVERLAY_GRAPHICS_KEY_MSK, besr.graphics_key_msk);
+  OUTREG(OVERLAY_GRAPHICS_KEY_CLR, besr.graphics_key_clr);
+  OUTREG(OVERLAY_KEY_CNTL,VIDEO_KEY_FN_TRUE|GRAPHIC_KEY_FN_EQ|CMP_MIX_AND);
+
+}
+
+static void mach64_vid_dump_regs( void )
+{
+  size_t i;
+  printf("[mach64] *** Begin of DRIVER variables dump ***\n");
+  printf("[mach64] mach64_mmio_base=%p\n",mach64_mmio_base);
+  printf("[mach64] mach64_mem_base=%p\n",mach64_mem_base);
+  printf("[mach64] mach64_overlay_off=%08X\n",mach64_overlay_offset);
+  printf("[mach64] mach64_ram_size=%08X\n",mach64_ram_size);
+  printf("[mach64] video mode: %ux%u@%u\n",mach64_get_xres(),mach64_get_yres(),mach64_vid_get_dbpp());
+  printf("[mach64] *** Begin of OV0 registers dump ***\n");
+  for(i=0;i<sizeof(vregs)/sizeof(video_registers_t);i++)
+  {
+	mach64_wait_for_idle();
+	printf("[mach64] %s = %08X\n",vregs[i].sname,INREG(vregs[i].name));
+  }
+  printf("[mach64] *** End of OV0 registers dump ***\n");
+}
+
+
+unsigned int vixGetVersion(void)
+{
+    return(VIDIX_VERSION);
+}
+
+static unsigned short ati_card_ids[] = 
+{
+ DEVICE_ATI_215CT_MACH64_CT,
+ DEVICE_ATI_210888CX_MACH64_CX,
+ DEVICE_ATI_210888ET_MACH64_ET,
+ DEVICE_ATI_MACH64_VT,
+ DEVICE_ATI_210888GX_MACH64_GX,
+ DEVICE_ATI_264LT_MACH64_LT,
+ DEVICE_ATI_264VT_MACH64_VT,
+ DEVICE_ATI_264VT3_MACH64_VT3,
+ DEVICE_ATI_264VT4_MACH64_VT4,
+ /**/
+ DEVICE_ATI_3D_RAGE_PRO,
+ DEVICE_ATI_3D_RAGE_PRO2,
+ DEVICE_ATI_3D_RAGE_PRO3,
+ DEVICE_ATI_3D_RAGE_PRO4,
+ DEVICE_ATI_RAGE_XC,
+ DEVICE_ATI_RAGE_XL_AGP,
+ DEVICE_ATI_RAGE_XC_AGP,
+ DEVICE_ATI_RAGE_XL,
+ DEVICE_ATI_3D_RAGE_PRO5,
+ DEVICE_ATI_3D_RAGE_PRO6,
+ DEVICE_ATI_RAGE_XL2,
+ DEVICE_ATI_RAGE_XC2,
+ DEVICE_ATI_3D_RAGE_I_II,
+ DEVICE_ATI_3D_RAGE_II,
+ DEVICE_ATI_3D_RAGE_IIC,
+ DEVICE_ATI_3D_RAGE_IIC2,
+ DEVICE_ATI_3D_RAGE_IIC3,
+ DEVICE_ATI_3D_RAGE_IIC4,
+ DEVICE_ATI_3D_RAGE_LT,
+ DEVICE_ATI_3D_RAGE_LT2,
+ DEVICE_ATI_3D_RAGE_LT_G,
+ DEVICE_ATI_3D_RAGE_LT3,
+ DEVICE_ATI_RAGE_MOBILITY_P_M,
+ DEVICE_ATI_RAGE_MOBILITY_L,
+ DEVICE_ATI_3D_RAGE_LT4,
+ DEVICE_ATI_3D_RAGE_LT5,
+ DEVICE_ATI_RAGE_MOBILITY_P_M2,
+ DEVICE_ATI_RAGE_MOBILITY_L2
+};
+
+static int find_chip(unsigned chip_id)
+{
+  unsigned i;
+  for(i = 0;i < sizeof(ati_card_ids)/sizeof(unsigned short);i++)
+  {
+    if(chip_id == ati_card_ids[i]) return i;
+  }
+  return -1;
+}
+
+int vixProbe(int verbose,int force)
+{
+  pciinfo_t lst[MAX_PCI_DEVICES];
+  unsigned i,num_pci;
+  int err;
+  __verbose = verbose;
+  err = pci_scan(lst,&num_pci);
+  if(err)
+  {
+    printf("[mach64] Error occurred during pci scan: %s\n",strerror(err));
+    return err;
+  }
+  else
+  {
+    err = ENXIO;
+    for(i=0;i<num_pci;i++)
+    {
+      if(lst[i].vendor == VENDOR_ATI)
+      {
+        int idx;
+	const char *dname;
+	idx = find_chip(lst[i].device);
+	if(idx == -1 && force == PROBE_NORMAL) continue;
+	dname = pci_device_name(VENDOR_ATI,lst[i].device);
+	dname = dname ? dname : "Unknown chip";
+	printf("[mach64] Found chip: %s\n",dname);
+	if ((lst[i].command & PCI_COMMAND_IO) == 0)
+	{
+		printf("[mach64] Device is disabled, ignoring\n");
+		continue;
+	}
+	if(force > PROBE_NORMAL)
+	{
+	    printf("[mach64] Driver was forced. Was found %sknown chip\n",idx == -1 ? "un" : "");
+	    if(idx == -1)
+		printf("[mach64] Assuming it as Mach64\n");
+	}
+	mach64_cap.device_id = lst[i].device;
+	err = 0;
+	memcpy(&pci_info,&lst[i],sizeof(pciinfo_t));
+	probed=1;
+	break;
+      }
+    }
+  }
+  if(err && verbose) printf("[mach64] Can't find chip\n");
+  return err;
+}
+
+static void reset_regs( void )
+{
+  size_t i;
+  for(i=0;i<sizeof(vregs)/sizeof(video_registers_t);i++)
+  {
+	mach64_fifo_wait(2);
+	OUTREG(vregs[i].name,0);
+  }
+}
+
+
+int vixInit(void)
+{
+  int err;
+  if(!probed)
+  {
+    printf("[mach64] Driver was not probed but is being initializing\n");
+    return EINTR;
+  }
+  if(__verbose>0) printf("[mach64] version %s\n", VERSION);
+  
+  if((mach64_mmio_base = map_phys_mem(pci_info.base2,0x1000))==(void *)-1) return ENOMEM;
+  mach64_wait_for_idle();
+  mach64_ram_size = INREG(MEM_CNTL) & CTL_MEM_SIZEB;
+  if (mach64_ram_size < 8) mach64_ram_size = (mach64_ram_size + 1) * 512;
+  else if (mach64_ram_size < 12) mach64_ram_size = (mach64_ram_size - 3) * 1024;
+  else mach64_ram_size = (mach64_ram_size - 7) * 2048;
+  mach64_ram_size *= 0x400; /* KB -> bytes */
+  if((mach64_mem_base = map_phys_mem(pci_info.base0,mach64_ram_size))==(void *)-1) return ENOMEM;
+  memset(&besr,0,sizeof(bes_registers_t));
+  printf("[mach64] Video memory = %uMb\n",mach64_ram_size/0x100000);
+  err = mtrr_set_type(pci_info.base0,mach64_ram_size,MTRR_TYPE_WRCOMB);
+  if(!err) printf("[mach64] Set write-combining type of video memory\n");
+
+  /* save this */
+  mach64_wait_for_idle();
+  SAVED_OVERLAY_GRAPHICS_KEY_CLR = INREG(OVERLAY_GRAPHICS_KEY_CLR);
+  
+  /* check if planar formats are supported */
+  supports_planar=0;
+  mach64_wait_for_idle();
+  mach64_fifo_wait(2);
+  if(INREG(SCALER_BUF0_OFFSET_U)) supports_planar=1;
+  else
+  {
+	OUTREG(SCALER_BUF0_OFFSET_U,	-1);
+
+	mach64_wait_vsync();
+	mach64_wait_for_idle();
+	mach64_fifo_wait(2);
+
+	if(INREG(SCALER_BUF0_OFFSET_U)) 	supports_planar=1;
+  }
+  if(supports_planar)	printf("[mach64] Planar YUV formats are supported :)\n");
+  else			printf("[mach64] Planar YUV formats are not supported :(\n");
+  
+  if(   mach64_cap.device_id==DEVICE_ATI_RAGE_MOBILITY_P_M
+     || mach64_cap.device_id==DEVICE_ATI_RAGE_MOBILITY_P_M2
+     || mach64_cap.device_id==DEVICE_ATI_RAGE_MOBILITY_L
+     || mach64_cap.device_id==DEVICE_ATI_RAGE_MOBILITY_L2)
+         supports_lcd_v_stretch=1;
+  else
+         supports_lcd_v_stretch=0;
+  
+  reset_regs();
+  mach64_vid_make_default();
+
+  if(__verbose > VERBOSE_LEVEL) mach64_vid_dump_regs();
+  return 0;
+}
+
+void vixDestroy(void)
+{
+  /*restore this*/
+  mach64_wait_for_idle();
+  OUTREG(OVERLAY_GRAPHICS_KEY_CLR,SAVED_OVERLAY_GRAPHICS_KEY_CLR);
+  
+  unmap_phys_mem(mach64_mem_base,mach64_ram_size);
+  unmap_phys_mem(mach64_mmio_base,0x1000);
+}
+
+int vixGetCapability(vidix_capability_t *to)
+{
+    memcpy(to, &mach64_cap, sizeof(vidix_capability_t));
+    return 0;
+}
+
+static unsigned mach64_query_pitch(unsigned fourcc,const vidix_yuv_t *spitch)
+{
+  unsigned pitch,spy,spv,spu;
+  spy = spv = spu = 0;
+  switch(spitch->y)
+  {
+    case 16:
+    case 32:
+    case 64:
+    case 128:
+    case 256: spy = spitch->y; break;
+    default: break;
+  }
+  switch(spitch->u)
+  {
+    case 16:
+    case 32:
+    case 64:
+    case 128:
+    case 256: spu = spitch->u; break;
+    default: break;
+  }
+  switch(spitch->v)
+  {
+    case 16:
+    case 32:
+    case 64:
+    case 128:
+    case 256: spv = spitch->v; break;
+    default: break;
+  }
+  switch(fourcc)
+  {
+	/* 4:2:0 */
+	case IMGFMT_IYUV:
+	case IMGFMT_YV12:
+	case IMGFMT_I420:
+		if(spy > 16 && spu == spy/2 && spv == spy/2)	pitch = spy;
+		else						pitch = 32;
+		break;
+	case IMGFMT_YVU9:
+		if(spy > 32 && spu == spy/4 && spv == spy/4)	pitch = spy;
+		else						pitch = 64;
+		break;
+	default:
+		if(spy >= 16)	pitch = spy;
+		else		pitch = 16;
+		break;
+  }
+  return pitch;
+}
+
+static void mach64_compute_framesize(vidix_playback_t *info)
+{
+  unsigned pitch,awidth;
+  pitch = mach64_query_pitch(info->fourcc,&info->src.pitch);
+  switch(info->fourcc)
+  {
+    case IMGFMT_I420:
+    case IMGFMT_YV12:
+    case IMGFMT_IYUV:
+		awidth = (info->src.w + (pitch-1)) & ~(pitch-1);
+		info->frame_size = awidth*(info->src.h+info->src.h/2);
+		break;
+    case IMGFMT_YVU9:
+		awidth = (info->src.w + (pitch-1)) & ~(pitch-1);
+		info->frame_size = awidth*(info->src.h+info->src.h/8);
+		break;
+//    case IMGFMT_RGB32:
+    case IMGFMT_BGR32:
+		awidth = (info->src.w*4 + (pitch-1)) & ~(pitch-1);
+		info->frame_size = (awidth*info->src.h);
+		break;
+    /* YUY2 YVYU, RGB15, RGB16 */
+    default:	
+		awidth = (info->src.w*2 + (pitch-1)) & ~(pitch-1);
+		info->frame_size = (awidth*info->src.h);
+		break;
+  }
+  info->frame_size+=256; // so we have some space for alignment & such
+  info->frame_size&=~16;
+}
+
+static void mach64_vid_stop_video( void )
+{
+    mach64_fifo_wait(14);
+    OUTREG(OVERLAY_SCALE_CNTL, 0x80000000);
+    OUTREG(OVERLAY_EXCLUSIVE_HORZ, 0);
+    OUTREG(OVERLAY_EXCLUSIVE_VERT, 0);
+    OUTREG(SCALER_H_COEFF0, 0x00002000);
+    OUTREG(SCALER_H_COEFF1, 0x0D06200D);
+    OUTREG(SCALER_H_COEFF2, 0x0D0A1C0D);
+    OUTREG(SCALER_H_COEFF3, 0x0C0E1A0C);
+    OUTREG(SCALER_H_COEFF4, 0x0C14140C);
+    OUTREG(VIDEO_FORMAT, 0xB000B);
+    OUTREG(OVERLAY_TEST, 0x0);
+}
+
+static void mach64_vid_display_video( void )
+{
+    uint32_t vf;
+    mach64_fifo_wait(14);
+
+    OUTREG(OVERLAY_Y_X_START,			besr.y_x_start);
+    OUTREG(OVERLAY_Y_X_END,			besr.y_x_end);
+    OUTREG(OVERLAY_SCALE_INC,			besr.scale_inc);
+    OUTREG(SCALER_BUF_PITCH,			besr.vid_buf_pitch);
+    OUTREG(SCALER_HEIGHT_WIDTH,			besr.height_width);
+    OUTREG(SCALER_BUF0_OFFSET,			mach64_buffer_base[0][0]);
+    OUTREG(SCALER_BUF0_OFFSET_U,		mach64_buffer_base[0][1]);
+    OUTREG(SCALER_BUF0_OFFSET_V,		mach64_buffer_base[0][2]);
+    OUTREG(SCALER_BUF1_OFFSET,			mach64_buffer_base[0][0]);
+    OUTREG(SCALER_BUF1_OFFSET_U,		mach64_buffer_base[0][1]);
+    OUTREG(SCALER_BUF1_OFFSET_V,		mach64_buffer_base[0][2]);
+    mach64_wait_vsync();
+    
+    mach64_fifo_wait(4);
+    OUTREG(OVERLAY_SCALE_CNTL, 0xC4000003);
+// OVERLAY_SCALE_CNTL bits & what they seem to affect
+// bit 0 no effect
+// bit 1 yuv2rgb coeff related
+// bit 2 horizontal interpolation if 0
+// bit 3 vertical interpolation if 0
+// bit 4 chroma encoding (0-> 128=neutral / 1-> 0->neutral)
+// bit 5-6 gamma correction
+// bit 7 nothing visible if set
+// bit 8-27 no effect
+// bit 28-31 nothing interresting just crashed my system when i played with them  :(
+
+    mach64_wait_for_idle();
+    vf = INREG(VIDEO_FORMAT);
+
+// Bits 16-19 seem to select the format
+// 0x0  dunno behaves strange
+// 0x1  dunno behaves strange
+// 0x2  dunno behaves strange
+// 0x3  BGR15
+// 0x4  BGR16
+// 0x5  BGR16 (hmm, that need investigation, 2 BGR16 formats, i guess 1 will have only 5bits for green)
+// 0x6  BGR32
+// 0x7  BGR32 with somehow mixed even / odd pixels ?
+// 0x8	YYYYUVUV
+// 0x9	YVU9
+// 0xA	YV12
+// 0xB	YUY2
+// 0xC	UYVY
+// 0xD  UYVY (no difference is visible if i switch between C/D for every even/odd frame)
+// 0xE  dunno behaves strange
+// 0xF  dunno behaves strange
+// Bit 28 all values are assumed to be 7 bit with chroma=64 for black (tested with YV12 & YUY2)
+// the remaining bits seem to have no effect
+
+
+    switch(besr.fourcc)
+    {
+	/* BGR formats */
+	case IMGFMT_BGR15: OUTREG(VIDEO_FORMAT, 0x00030000);  break;
+	case IMGFMT_BGR16: OUTREG(VIDEO_FORMAT, 0x00040000);  break;
+	case IMGFMT_BGR32: OUTREG(VIDEO_FORMAT, 0x00060000);  break;
+        /* 4:2:0 */
+	case IMGFMT_IYUV:
+	case IMGFMT_I420:
+	case IMGFMT_YV12:  OUTREG(VIDEO_FORMAT, 0x000A0000);  break;
+
+	case IMGFMT_YVU9:  OUTREG(VIDEO_FORMAT, 0x00090000);  break;
+        /* 4:2:2 */
+        case IMGFMT_YVYU:
+	case IMGFMT_UYVY:  OUTREG(VIDEO_FORMAT, 0x000C0000); break;
+	case IMGFMT_YUY2:
+	default:           OUTREG(VIDEO_FORMAT, 0x000B0000); break;
+    }
+    if(__verbose > VERBOSE_LEVEL) mach64_vid_dump_regs();
+}
+
+static int mach64_vid_init_video( vidix_playback_t *config )
+{
+    uint32_t src_w,src_h,dest_w,dest_h,pitch,h_inc,v_inc,left,leftUV,top,ecp,y_pos;
+    int is_420,best_pitch,mpitch;
+    int src_offset_y, src_offset_u, src_offset_v;
+    unsigned int i;
+
+    mach64_vid_stop_video();
+/* warning, if left or top are != 0 this will fail, as the framesize is too small then */
+    left = config->src.x;
+    top =  config->src.y;
+    src_h = config->src.h;
+    src_w = config->src.w;
+    is_420 = 0;
+    if(config->fourcc == IMGFMT_YV12 ||
+       config->fourcc == IMGFMT_I420 ||
+       config->fourcc == IMGFMT_IYUV) is_420 = 1;
+    best_pitch = mach64_query_pitch(config->fourcc,&config->src.pitch);
+    mpitch = best_pitch-1;
+    switch(config->fourcc)
+    {
+	case IMGFMT_YVU9:
+	/* 4:2:0 */
+	case IMGFMT_IYUV:
+	case IMGFMT_YV12:
+	case IMGFMT_I420: pitch = (src_w + mpitch) & ~mpitch;
+			  config->dest.pitch.y = 
+			  config->dest.pitch.u = 
+			  config->dest.pitch.v = best_pitch;
+			  besr.vid_buf_pitch= pitch;
+			  break;
+	/* RGB 4:4:4:4 */
+	case IMGFMT_RGB32:
+	case IMGFMT_BGR32: pitch = (src_w*4 + mpitch) & ~mpitch;
+			  config->dest.pitch.y = 
+			  config->dest.pitch.u = 
+			  config->dest.pitch.v = best_pitch;
+			  besr.vid_buf_pitch= pitch>>2;
+			  break;
+	/* 4:2:2 */
+        default: /* RGB15, RGB16, YVYU, UYVY, YUY2 */
+			  pitch = ((src_w*2) + mpitch) & ~mpitch;
+			  config->dest.pitch.y =
+			  config->dest.pitch.u =
+			  config->dest.pitch.v = best_pitch;
+			  besr.vid_buf_pitch= pitch>>1;
+			  break;
+    }
+    dest_w = config->dest.w;
+    dest_h = config->dest.h;
+    besr.fourcc = config->fourcc;
+    ecp = (INPLL(PLL_VCLK_CNTL) & PLL_ECP_DIV) >> 4;
+#if 0
+{
+int i;
+for(i=0; i<32; i++){
+    printf("%X ", INPLL(i));
+}
+}
+#endif
+    if(__verbose>0) printf("[mach64] ecp: %d\n", ecp);
+    v_inc = src_h * mach64_get_vert_stretch();
+    
+    if(mach64_is_interlace()) v_inc<<=1;
+    if(mach64_is_dbl_scan() ) v_inc>>=1;
+    v_inc>>=4; // convert 16.16 -> 20.12
+    v_inc/= dest_h;
+    
+    h_inc = (src_w << (12+ecp)) / dest_w;
+    /* keep everything in 16.16 */
+    config->offsets[0] = 0;
+    for(i=1; i<config->num_frames; i++)
+        config->offsets[i] = config->offsets[i-1] + config->frame_size;
+    
+	/*FIXME the left / top stuff is broken (= zoom a src rectangle from a larger one)
+		1. the framesize isn't known as the outer src rectangle dimensions aren't known
+		2. the mach64 needs aligned addresses so it can't work anyway
+		   -> so we could shift the outer buffer to compensate that but that would mean
+		      alignment problems for the code which writes into it
+	*/
+    
+    if(is_420)
+    {
+	config->offset.y= 0;
+	config->offset.u= (pitch*src_h + 15)&~15; 
+	config->offset.v= (config->offset.u + (pitch*src_h>>2) + 15)&~15;
+
+	if(besr.fourcc == IMGFMT_I420 || besr.fourcc == IMGFMT_IYUV)
+	{
+	  uint32_t tmp;
+	  tmp = config->offset.u;
+	  config->offset.u = config->offset.v;
+	  config->offset.v = tmp;
+	}
+		
+	src_offset_y= config->offset.y + top*pitch + left;
+	src_offset_u= config->offset.u + (top*pitch>>2) + (left>>1);
+	src_offset_v= config->offset.v + (top*pitch>>2) + (left>>1);
+    }
+    else if(besr.fourcc == IMGFMT_YVU9)
+    {
+	config->offset.y= 0;
+	config->offset.u= (pitch*src_h + 15)&~15; 
+	config->offset.v= (config->offset.u + (pitch*src_h>>4) + 15)&~15;
+	
+	src_offset_y= config->offset.y + top*pitch + left;
+	src_offset_u= config->offset.u + (top*pitch>>4) + (left>>1);
+	src_offset_v= config->offset.v + (top*pitch>>4) + (left>>1);
+    }
+    else if(besr.fourcc == IMGFMT_BGR32)
+    {
+      config->offset.y = config->offset.u = config->offset.v = 0;
+      src_offset_y= src_offset_u= src_offset_v= top*pitch + (left << 2);
+    }
+    else
+    {
+      config->offset.y = config->offset.u = config->offset.v = 0;
+      src_offset_y= src_offset_u= src_offset_v= top*pitch + (left << 1);
+    }
+
+    num_mach64_buffers= config->num_frames;
+    for(i=0; i<config->num_frames; i++)
+    {
+	mach64_buffer_base[i][0]= (mach64_overlay_offset + config->offsets[i] + src_offset_y)&~15;
+	mach64_buffer_base[i][1]= (mach64_overlay_offset + config->offsets[i] + src_offset_u)&~15;
+	mach64_buffer_base[i][2]= (mach64_overlay_offset + config->offsets[i] + src_offset_v)&~15;
+    }
+
+    leftUV = (left >> 17) & 15;
+    left = (left >> 16) & 15;
+    besr.scale_inc = ( h_inc << 16 ) | v_inc;
+    y_pos = config->dest.y;
+    if(mach64_is_dbl_scan()) y_pos*=2;
+    else
+    if(mach64_is_interlace()) y_pos/=2;
+    besr.y_x_start = y_pos | (config->dest.x << 16);
+    y_pos =config->dest.y + dest_h;
+    if(mach64_is_dbl_scan()) y_pos*=2;
+    else
+    if(mach64_is_interlace()) y_pos/=2;
+    besr.y_x_end = y_pos | ((config->dest.x + dest_w) << 16);
+    besr.height_width = ((src_w - left)<<16) | (src_h - top);
+
+    return 0;
+}
+
+static int is_supported_fourcc(uint32_t fourcc)
+{
+    switch(fourcc)
+    {
+    case IMGFMT_YV12:
+    case IMGFMT_I420:
+    case IMGFMT_YVU9:
+    case IMGFMT_IYUV:
+	return supports_planar;
+    case IMGFMT_YUY2:
+    case IMGFMT_UYVY:
+    case IMGFMT_BGR15:
+    case IMGFMT_BGR16:
+    case IMGFMT_BGR32:
+	return 1;
+    default:
+	return 0;
+    }
+}
+
+int vixQueryFourcc(vidix_fourcc_t *to)
+{
+    if(is_supported_fourcc(to->fourcc))
+    {
+	to->depth = VID_DEPTH_1BPP | VID_DEPTH_2BPP |
+		    VID_DEPTH_4BPP | VID_DEPTH_8BPP |
+		    VID_DEPTH_12BPP| VID_DEPTH_15BPP|
+		    VID_DEPTH_16BPP| VID_DEPTH_24BPP|
+		    VID_DEPTH_32BPP;
+	to->flags = VID_CAP_EXPAND | VID_CAP_SHRINK | VID_CAP_COLORKEY;
+	return 0;
+    }
+    else  to->depth = to->flags = 0;
+    return ENOSYS;
+}
+
+int vixConfigPlayback(vidix_playback_t *info)
+{
+  if(!is_supported_fourcc(info->fourcc)) return ENOSYS;
+
+  mach64_compute_framesize(info);
+
+  if(info->num_frames>4) info->num_frames=4;
+  for(;info->num_frames>0; info->num_frames--)
+  {
+      mach64_overlay_offset = mach64_ram_size - info->frame_size*info->num_frames;
+      mach64_overlay_offset &= 0xffff0000;
+      if(mach64_overlay_offset>0) break;
+  }
+  if(info->num_frames <= 0) return EINVAL;
+
+  info->dga_addr = (char *)mach64_mem_base + mach64_overlay_offset;
+  mach64_vid_init_video(info);
+  return 0;
+}
+
+int vixPlaybackOn(void)
+{
+  mach64_vid_display_video();
+  return 0;
+}
+
+int vixPlaybackOff(void)
+{
+  mach64_vid_stop_video();
+  return 0;
+}
+
+int vixPlaybackFrameSelect(unsigned int frame)
+{
+    uint32_t off[6];
+    int i;
+    int last_frame= (frame-1+num_mach64_buffers) % num_mach64_buffers;
+//printf("Selecting frame %d\n", frame);    
+    /*
+    buf3-5 always should point onto second buffer for better
+    deinterlacing and TV-in
+    */
+    if(num_mach64_buffers==1) return 0;
+
+    for(i=0; i<3; i++)
+    {
+    	off[i]  = mach64_buffer_base[frame][i];
+    	off[i+3]= mach64_buffer_base[last_frame][i];
+    }
+
+#if 0 // delay routine so the individual frames can be ssen better
+{
+volatile int i=0;
+for(i=0; i<10000000; i++);
+}
+#endif
+
+    mach64_wait_for_idle();
+    mach64_fifo_wait(7);
+
+    OUTREG(SCALER_BUF0_OFFSET,		off[0]);
+    OUTREG(SCALER_BUF0_OFFSET_U,	off[1]);
+    OUTREG(SCALER_BUF0_OFFSET_V,	off[2]);
+    OUTREG(SCALER_BUF1_OFFSET,		off[3]);
+    OUTREG(SCALER_BUF1_OFFSET_U,	off[4]);
+    OUTREG(SCALER_BUF1_OFFSET_V,	off[5]);
+    if(num_mach64_buffers==2) mach64_wait_vsync(); //only wait for vsync if we do double buffering
+       
+    if(__verbose > VERBOSE_LEVEL) mach64_vid_dump_regs();
+    return 0;
+}
+
+vidix_video_eq_t equal =
+{
+ VEQ_CAP_BRIGHTNESS | VEQ_CAP_SATURATION
+ ,
+ 0, 0, 0, 0, 0, 0, 0, 0 };
+
+int 	vixPlaybackGetEq( vidix_video_eq_t * eq)
+{
+  memcpy(eq,&equal,sizeof(vidix_video_eq_t));
+  return 0;
+}
+
+int 	vixPlaybackSetEq( const vidix_video_eq_t * eq)
+{
+  int br,sat;
+    if(eq->cap & VEQ_CAP_BRIGHTNESS) equal.brightness = eq->brightness;
+    if(eq->cap & VEQ_CAP_CONTRAST)   equal.contrast   = eq->contrast;
+    if(eq->cap & VEQ_CAP_SATURATION) equal.saturation = eq->saturation;
+    if(eq->cap & VEQ_CAP_HUE)        equal.hue        = eq->hue;
+    if(eq->cap & VEQ_CAP_RGB_INTENSITY)
+    {
+      equal.red_intensity   = eq->red_intensity;
+      equal.green_intensity = eq->green_intensity;
+      equal.blue_intensity  = eq->blue_intensity;
+    }
+    equal.flags = eq->flags;
+    br = equal.brightness * 64 / 1000;
+    if(br < -64) br = -64; if(br > 63) br = 63;
+    sat = (equal.saturation + 1000) * 16 / 1000;
+    if(sat < 0) sat = 0; if(sat > 31) sat = 31;
+    OUTREG(SCALER_COLOUR_CNTL, (br & 0x7f) | (sat << 8) | (sat << 16));
+  return 0;
+}
+
+int vixGetGrKeys(vidix_grkey_t *grkey)
+{
+    memcpy(grkey, &mach64_grkey, sizeof(vidix_grkey_t));
+    return(0);
+}
+
+int vixSetGrKeys(const vidix_grkey_t *grkey)
+{
+    memcpy(&mach64_grkey, grkey, sizeof(vidix_grkey_t));
+
+    if(mach64_grkey.ckey.op == CKEY_TRUE)
+    {
+	besr.ckey_on=1;
+
+	switch(mach64_vid_get_dbpp())
+	{
+	case 15:
+		besr.graphics_key_msk=0x7FFF;
+		besr.graphics_key_clr=
+			  ((mach64_grkey.ckey.blue &0xF8)>>3)
+			| ((mach64_grkey.ckey.green&0xF8)<<2)
+			| ((mach64_grkey.ckey.red  &0xF8)<<7);
+		break;
+	case 16:
+		besr.graphics_key_msk=0xFFFF;
+		besr.graphics_key_clr=
+			  ((mach64_grkey.ckey.blue &0xF8)>>3)
+			| ((mach64_grkey.ckey.green&0xFC)<<3)
+			| ((mach64_grkey.ckey.red  &0xF8)<<8);
+		//besr.graphics_key_clr=le2me_32(besr.graphics_key_clr);
+		break;
+	case 24:
+		besr.graphics_key_msk=0xFFFFFF;
+		besr.graphics_key_clr=
+			  ((mach64_grkey.ckey.blue &0xFF))
+			| ((mach64_grkey.ckey.green&0xFF)<<8)
+			| ((mach64_grkey.ckey.red  &0xFF)<<16);
+		break;
+	case 32:
+		besr.graphics_key_msk=0xFFFFFF;
+		besr.graphics_key_clr=
+			  ((mach64_grkey.ckey.blue &0xFF))
+			| ((mach64_grkey.ckey.green&0xFF)<<8)
+			| ((mach64_grkey.ckey.red  &0xFF)<<16);
+		break;
+	default:
+		besr.ckey_on=0;
+		besr.graphics_key_msk=0;
+		besr.graphics_key_clr=0;
+	}
+    }
+    else
+    {
+	besr.ckey_on=0;
+	besr.graphics_key_msk=0;
+	besr.graphics_key_clr=0;
+    }
+
+    mach64_fifo_wait(4);
+    OUTREG(OVERLAY_GRAPHICS_KEY_MSK, besr.graphics_key_msk);
+    OUTREG(OVERLAY_GRAPHICS_KEY_CLR, besr.graphics_key_clr);
+//    OUTREG(OVERLAY_VIDEO_KEY_MSK, 0);
+//    OUTREG(OVERLAY_VIDEO_KEY_CLR, 0);
+    if(besr.ckey_on)
+    	OUTREG(OVERLAY_KEY_CNTL,VIDEO_KEY_FN_TRUE|GRAPHIC_KEY_FN_EQ|CMP_MIX_AND);
+    else
+    	OUTREG(OVERLAY_KEY_CNTL,VIDEO_KEY_FN_TRUE|GRAPHIC_KEY_FN_TRUE|CMP_MIX_AND);
+
+    return(0);
+}