int tv_out_open(int mode)
{
const reg_t *s;
if (TVOUT_VALID(mode))
{
tvmode = mode;
s = tvregsTab[mode];
while (MREG_END_MARKER != s->reg)
setreg(s++);
chip_version_init();
tvoutc_setclk(mode);
enable_vsync_interrupt();
WRITE_MPEG_REG(VPP_POSTBLEND_H_SIZE, tvinfoTab[mode].xres);
change_vdac_setting(0x120120, mode);
set_disp_mode_auto(mode );
return 0;
}
return -1;
}
static int tv_set_current_vmode(vmode_t mod)
{
vmode_t mode = mod&VMODE_MODE_BIT_MASK;
//if (mode > VMODE_1080P_50HZ) {
if (mode >= TVMODE_MAX) {
amlog_mask_level(LOG_MASK_PARA, LOG_LEVEL_HIGH,"Invalid vmode: %d\n", mod);
return -EINVAL;
}
info->vinfo = &tv_info[mode];
if (mod & VMODE_LOGO_BIT_MASK)
return 0;
tvoutc_setmode(vmode_tvmode_tab[mode]);
change_vdac_setting(get_current_vdac_setting(),mode);
return 0;
}
/***************************************************
**
** The first digit control component Y output DAC number
** The 2nd digit control component U output DAC number
** The 3rd digit control component V output DAC number
** The 4th digit control composite CVBS output DAC number
** The 5th digit control s-video Luma output DAC number
** The 6th digit control s-video chroma output DAC number
** examble :
** echo 120120 > /sys/class/display/vdac_setting
** the first digit from the left side .
******************************************************/
static void parse_vdac_setting(char *para)
{
int i;
char *pt=strstrip(para);
int len=strlen(pt);
u32 vdac_sequence=get_current_vdac_setting();
amlog_mask_level(LOG_MASK_PARA,LOG_LEVEL_LOW,"origin vdac setting:0x%x,strlen:%d\n",vdac_sequence,len);
if(len!=6)
{
amlog_mask_level(LOG_MASK_PARA,LOG_LEVEL_HIGH,"can't parse vdac settings\n");
return ;
}
vdac_sequence=0;
for(i=0;i<6;i++)
{
vdac_sequence<<=4;
vdac_sequence|=*pt -'0';
pt++;
}
amlog_mask_level(LOG_MASK_PARA,LOG_LEVEL_LOW,"current vdac setting:0x%x\n",vdac_sequence);
change_vdac_setting(vdac_sequence,get_current_vmode());
}