| Hans Verkuil | add953c | 2006-03-29 14:56:17 -0300 | [diff] [blame] | 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 |