1 /* 2 * upd6408x - NEC Electronics 3-Dimensional Y/C separation input defines 3 * 4 * 2006 by Hans Verkuil (hverkuil@xs4all.nl) 5 * 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. 10 * 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. 15 * 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. 19 */ 20 21 #ifndef _UPD64083_H_ 22 #define _UPD64083_H_ 23 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). 27 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. 30 31 Normally YCS_MODE is used for tuner and composite inputs, and the 32 YCNR mode is used for S-Video inputs. 33 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 37 be used. */ 38 39 /* Operating modes: */ 40 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 45 46 /* Note: the following two modes cannot be used in combination with the 47 external Y-ADC. */ 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 52 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) 57 58 #endif 59