Folks,
I'm trying to switch VPBE to digital mode. I've patched
drivers/video/davincifb.c and added new init function listed below.
Osciloscope shows nothing on digital out, of course. What is wrong?
What I forgot?
static void davincifb_ntsc_rgb_config(int on)
{
DBGENTER;
if (on) {
dispc_reg_out(VENC_VMOD, 0);
/* VMOD.VDMD (12-15) = RGB666 (2h)
* VMOD.VENC(0) = 1 */
dispc_reg_out(VENC_VMOD, (BIT00 | BIT13));
/* VIDCTL.VCLKE (13) = 1
* VIDCTL.VCLKZ default
* VIDCTL.VCLKP default
* VIDCTL.SYDIR default
* VIDCTL.DOMD (4,5) = 3h */
dispc_reg_out(VENC_VIDCTL, (BIT13 | BIT04 | BIT05));
} else {
/* Reset video encoder module */
dispc_reg_out(VENC_VMOD, 0);
}
DBGEXIT;
}
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