mpv/vidix/drivers/mach64_vid.c

786 lines
21 KiB
C

/*
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 AND DOESN'T WORK WITH PLANAR FOURCCS!
*/
#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"
#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;
pciinfo_t pci_info;
static int probed = 0;
static int __verbose = 0;
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 vid_buf0_base_adrs;
uint32_t vid_buf1_base_adrs;
uint32_t vid_buf2_base_adrs;
uint32_t vid_buf3_base_adrs;
uint32_t vid_buf4_base_adrs;
uint32_t vid_buf5_base_adrs;
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 double_buff;
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;
#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__ uint32_t INPLL(uint32_t addr)
{
uint32_t res;
/* write addr byte */
OUTREG8(CLOCK_CNTL + 1, (addr << 2));
/* read the register value */
res = INREG(CLOCK_CNTL + 2);
return res;
}
static __inline__ void OUTPLL(uint32_t addr,uint32_t val)
{
/* 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 vidix_capability_t mach64_cap =
{
"BES driver for Mach64/3DRage cards",
"Nick Kurshev",
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;
}
static void mach64_vid_make_default()
{
mach64_fifo_wait(2);
OUTREG(SCALER_COLOUR_CNTL,0x0010103f);
}
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_RAGE_MOBILITY_M3,
DEVICE_ATI_RAGE_MOBILITY_M32,
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,-1);
}
}
int vixInit(void)
{
int err;
if(!probed)
{
printf("[mach64] Driver was not probed but is being initializing\n");
return EINTR;
}
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));
mach64_vid_make_default();
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");
reset_regs();
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;
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_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;
}
}
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_GRAPHICS_KEY_MSK, 0);
OUTREG(OVERLAY_GRAPHICS_KEY_CLR, 0);
OUTREG(OVERLAY_KEY_CNTL, 0x50);
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, besr.vid_buf0_base_adrs);
OUTREG(SCALER_BUF0_OFFSET_U, besr.vid_buf1_base_adrs);
OUTREG(SCALER_BUF0_OFFSET_V, besr.vid_buf2_base_adrs);
OUTREG(SCALER_BUF1_OFFSET, besr.vid_buf3_base_adrs);
OUTREG(SCALER_BUF1_OFFSET_U, besr.vid_buf4_base_adrs);
OUTREG(SCALER_BUF1_OFFSET_V, besr.vid_buf5_base_adrs);
OUTREG(OVERLAY_SCALE_CNTL, 0x04000001 | (3<<30));
mach64_wait_for_idle();
vf = INREG(VIDEO_FORMAT);
// Bits 16-19 seem to select the format
// Bit 28 seems to toggle the chroma encoding
// the remaining bits seem to have no effect
switch(besr.fourcc)
{
/* 4:2:0 */
case IMGFMT_IYUV:
case IMGFMT_I420:
case IMGFMT_YV12: OUTREG(VIDEO_FORMAT, (vf & ~0xF0000) | 0xA0000); break;
/* 4:2:2 */
case IMGFMT_YVYU:
case IMGFMT_UYVY: OUTREG(VIDEO_FORMAT, (vf & ~0xF000) | 0xB000); break;
case IMGFMT_YUY2:
default: OUTREG(VIDEO_FORMAT, (vf & ~0xF0000) | 0xB0000); break;
}
// OUTPLL(PLL_SCALER_LOCK_EN, 0);
if(__verbose > 1) 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;
int is_420,best_pitch,mpitch;
mach64_vid_stop_video();
left = config->src.x << 16;
top = config->src.y << 16;
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)
{
/* 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;
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;
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;
break;
}
dest_w = config->dest.w;
dest_h = config->dest.h;
besr.fourcc = config->fourcc;
ecp = (INPLL(PLL_VCLK_CNTL) & PLL_ECP_DIV) >> 4;
v_inc = (src_h << (12
+(mach64_is_interlace()?1:0)
-(mach64_is_dbl_scan()?1:0)
+(is_420?1:0)
)) / dest_h;
h_inc = (src_w << (12+ecp)) / dest_w;
v_inc /= 2;
/* keep everything in 16.16 */
config->offsets[0] = 0;
config->offsets[1] = config->frame_size;
if(is_420)
{
uint32_t d1line,d2line,d3line;
d1line = top*pitch;
d2line = src_h*pitch+(d1line>>2);
d3line = d2line+((src_h*pitch)>>2);
d1line += (left >> 16) & ~15;
d2line += (left >> 17) & ~15;
d3line += (left >> 17) & ~15;
config->offset.y = d1line & ~15;
config->offset.v = d2line & ~15;
config->offset.u = d3line & ~15;
besr.vid_buf0_base_adrs=((mach64_overlay_offset+config->offsets[0]+config->offset.y)&~15);
besr.vid_buf1_base_adrs=((mach64_overlay_offset+config->offsets[0]+config->offset.v)&~15);
besr.vid_buf2_base_adrs=((mach64_overlay_offset+config->offsets[0]+config->offset.u)&~15);
besr.vid_buf3_base_adrs=((mach64_overlay_offset+config->offsets[1]+config->offset.y)&~15);
besr.vid_buf4_base_adrs=((mach64_overlay_offset+config->offsets[1]+config->offset.v)&~15);
besr.vid_buf5_base_adrs=((mach64_overlay_offset+config->offsets[1]+config->offset.u)&~15);
config->offset.y = ((besr.vid_buf0_base_adrs)&~15) - mach64_overlay_offset;
config->offset.v = ((besr.vid_buf1_base_adrs)&~15) - mach64_overlay_offset;
config->offset.u = ((besr.vid_buf2_base_adrs)&~15) - mach64_overlay_offset;
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
{
besr.vid_buf0_base_adrs = mach64_overlay_offset;
config->offset.y = config->offset.u = config->offset.v = ((left & ~7) << 1)&~15;
besr.vid_buf0_base_adrs += config->offset.y;
besr.vid_buf1_base_adrs = besr.vid_buf0_base_adrs;
besr.vid_buf2_base_adrs = besr.vid_buf0_base_adrs;
besr.vid_buf3_base_adrs = besr.vid_buf0_base_adrs+config->frame_size;
besr.vid_buf4_base_adrs = besr.vid_buf0_base_adrs+config->frame_size;
besr.vid_buf5_base_adrs = besr.vid_buf0_base_adrs+config->frame_size;
}
leftUV = (left >> 17) & 15;
left = (left >> 16) & 15;
besr.scale_inc = ( h_inc << 16 ) | v_inc;
besr.y_x_start = config->dest.y | (config->dest.x << 16);
besr.y_x_end = (config->dest.y + dest_h) | ((config->dest.x + dest_w) << 16);
besr.height_width = ((src_w - left)<<16) | (src_h - top);
besr.vid_buf_pitch = pitch;
return 0;
}
uint32_t supported_fourcc[] =
{
IMGFMT_YV12, IMGFMT_I420, IMGFMT_IYUV,
IMGFMT_UYVY, IMGFMT_YUY2, IMGFMT_YVYU
};
__inline__ static int is_supported_fourcc(uint32_t fourcc)
{
unsigned i;
for(i=0;i<sizeof(supported_fourcc)/sizeof(uint32_t);i++)
{
if(fourcc==supported_fourcc[i]) return 1;
}
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;
return 0;
}
else to->depth = to->flags = 0;
return ENOSYS;
}
int vixConfigPlayback(vidix_playback_t *info)
{
if(!is_supported_fourcc(info->fourcc)) return ENOSYS;
if(info->num_frames>2) info->num_frames=2;
if(info->num_frames==1) besr.double_buff=0;
else besr.double_buff=1;
mach64_compute_framesize(info);
mach64_overlay_offset = mach64_ram_size - info->frame_size*info->num_frames;
mach64_overlay_offset &= 0xffff0000;
if(mach64_overlay_offset < 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;
}
static void mach64_wait_vsync( void )
{
#warning MACH64 VSYNC WAS NOT IMPLEMENTED!!!
}
int vixPlaybackFrameSelect(unsigned int frame)
{
uint32_t off[6];
/*
buf3-5 always should point onto second buffer for better
deinterlacing and TV-in
*/
if(!besr.double_buff) return 0;
if((frame%2))
{
off[0] = besr.vid_buf3_base_adrs;
off[1] = besr.vid_buf4_base_adrs;
off[2] = besr.vid_buf5_base_adrs;
off[3] = besr.vid_buf0_base_adrs;
off[4] = besr.vid_buf1_base_adrs;
off[5] = besr.vid_buf2_base_adrs;
}
else
{
off[0] = besr.vid_buf0_base_adrs;
off[1] = besr.vid_buf1_base_adrs;
off[2] = besr.vid_buf2_base_adrs;
off[3] = besr.vid_buf3_base_adrs;
off[4] = besr.vid_buf4_base_adrs;
off[5] = besr.vid_buf5_base_adrs;
}
mach64_wait_vsync();
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(__verbose > 1) 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;
}