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mpv/vidix/drivers/mach64_vid.c
michael f989059977 reading pll in 32-bit instead of 8-bit +1, +2 
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@5793 b3059339-0415-0410-9bf9-f77b7e298cf2
2002-04-23 01:31:01 +00:00

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/*
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 "../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)
};
/* 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,(uint32_t)mach64_mmio_base,((addr)^0x100)<<2)
#define OUTREG8(addr,val) SETREG(uint8_t,(uint32_t)mach64_mmio_base,((addr)^0x100)<<2,val)
#define INREG(addr) GETREG(uint32_t,(uint32_t)mach64_mmio_base,((addr)^0x100)<<2)
#define OUTREG(addr,val) SETREG(uint32_t,(uint32_t)mach64_mmio_base,((addr)^0x100)<<2,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()
{
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 occured 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(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.base2,0x4000))==(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");
/* 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)
{
unmap_phys_mem(mach64_mem_base,mach64_ram_size);
unmap_phys_mem(mach64_mmio_base,0x4000);
}
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 isnt known as the outer src rectangle dimensions arent known
2. the mach64 needs aligned addresses so it cant 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;
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);
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;
}
}
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);
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);
}
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