2 * upd6408x - NEC Electronics 3-Dimensional Y/C separation input defines
4 * 2006 by Hans Verkuil (hverkuil@xs4all.nl)
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version 2
9 * of the License, or (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
24 /* There are two bits of information that the driver needs in order
25 to select the correct routing: the operating mode and the selection
26 of the Y input (external or internal).
28 The first two operating modes expect a composite signal on the Y input,
29 the second two operating modes use both the Y and C inputs.
31 Normally YCS_MODE is used for tuner and composite inputs, and the
32 YCNR mode is used for S-Video inputs.
34 The external Y-ADC is selected when the composite input comes from a
35 upd64031a ghost reduction device. If this device is not present, or
36 the input is a S-Video signal, then the internal Y-ADC input should
39 /* Operating modes: */
41 /* YCS mode: Y/C separation (burst locked clocking) */
42 #define UPD64083_YCS_MODE 0
43 /* YCS+ mode: 2D Y/C separation and YCNR (burst locked clocking) */
44 #define UPD64083_YCS_PLUS_MODE 1
46 /* Note: the following two modes cannot be used in combination with the
48 /* MNNR mode: frame comb type YNR+C delay (line locked clocking) */
49 #define UPD64083_MNNR_MODE 2
50 /* YCNR mode: frame recursive YCNR (burst locked clocking) */
51 #define UPD64083_YCNR_MODE 3
53 /* Select external Y-ADC: this should be set if this device is used in
54 combination with the upd64031a ghost reduction device.
55 Otherwise leave at 0 (use internal Y-ADC). */
56 #define UPD64083_EXT_Y_ADC (1 << 2)
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