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comment updates. BT TVout on TNT1 completed.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@14372 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Rudolf Cornelissen
2005-10-13 15:13:17 +00:00
parent f2069d6c5c
commit 4e918a7c19
1 changed files with 9 additions and 6 deletions
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src/add-ons/accelerants/nvidia/engine/nv_brooktreetv.c
+9 -6
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@@ -704,13 +704,13 @@ static uint8 BT_init_PAL800_OS()
if (si->ps.tv_encoder.type >= CX25870)//set CX value
{
//fixme if needed: (added 0x10 for BT)..
buffer[7] = 0xf4;
buffer[8] = 0x17;
}
else
{ //set BT value
//fixme: checkout ws-tv (added 0x10)..
/* confirmed on TNT1 using 4:3 TV */
/* confirmed on TNT1 using 4:3 TV and 16:9 TV */
buffer[7] = 0xd0;//scope: tuned. lsb h_blank_o: h_blank_o = horizontal viewport location on TV
//(guideline for initial setting: (h_blank_o / h_clk_0) * 64.0uS = 10.0uS for PAL)
buffer[8] = 0x18;//try-out; scope: checked against other modes, looks OK. v_blank_o: 1e active line ('pixel')
@@ -1046,9 +1046,9 @@ static uint8 BT_setup_hphase(uint8 mode)
{
case NTSC640_TST:
case NTSC640:
//fixme if needed (subtracted 0x07 for BT)..
if (si->ps.tv_encoder.type >= CX25870) hoffset +=8; //if CX shift picture right some more...
//fixme: checkout ws-tv and CX (subtracted 0x07)..
/* confirmed on TNT1 with BT869 using 4:3 TV */
/* confirmed on TNT1 with BT869 using 4:3 TV and 16:9 TV */
buffer[3] = (0x1e + hoffset); //set horizontal sync offset
break;
case NTSC800:
@@ -1382,6 +1382,9 @@ static status_t BT_update_mode_for_gpu(display_mode *target, uint8 tvmode)
}
else
{
//fixme if possible:
//see if tweaking h_sync_end can shift picture 8 pixels right to fix
//ws tv's tuning fault (always going for max. compatibility :)
target->timing.h_sync_end = 656;
target->timing.h_total = 688;
}
@@ -1476,13 +1479,13 @@ static status_t BT_update_mode_for_gpu(display_mode *target, uint8 tvmode)
target->timing.h_display = 768; //H_ACTIVE
if (si->ps.tv_encoder.type <= BT869)
{
//fixme: checkout ws-tv (added 8)..
/* confirmed on TNT1 using 4:3 TV */
/* confirmed on TNT1 using 4:3 TV and 16:9 TV */
target->timing.h_sync_start = 856; //set for centered TV output
target->timing.h_sync_end = 856+20; //delta is BT H_BLANKI
}
else
{
//fixme if needed (added 8 for BT)..
target->timing.h_sync_start = 848; //set for centered TV output
target->timing.h_sync_end = 848+20; //delta is BT H_BLANKI
}