| 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
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| 2 | /* |
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| 3 | * upd6408x - NEC Electronics 3-Dimensional Y/C separation input defines |
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| 4 | * |
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| 5 | * 2006 by Hans Verkuil (hverkuil@xs4all.nl) |
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| 6 | */ |
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| 7 | |
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| 8 | #ifndef _UPD64083_H_ |
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| 9 | #define _UPD64083_H_ |
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| 10 | |
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| 11 | /* There are two bits of information that the driver needs in order |
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| 12 | to select the correct routing: the operating mode and the selection |
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| 13 | of the Y input (external or internal). |
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| 14 | |
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| 15 | The first two operating modes expect a composite signal on the Y input, |
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| 16 | the second two operating modes use both the Y and C inputs. |
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| 17 | |
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| 18 | Normally YCS_MODE is used for tuner and composite inputs, and the |
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| 19 | YCNR mode is used for S-Video inputs. |
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| 20 | |
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| 21 | The external Y-ADC is selected when the composite input comes from a |
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| 22 | upd64031a ghost reduction device. If this device is not present, or |
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| 23 | the input is a S-Video signal, then the internal Y-ADC input should |
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| 24 | be used. */ |
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| 25 | |
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| 26 | /* Operating modes: */ |
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| 27 | |
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| 28 | /* YCS mode: Y/C separation (burst locked clocking) */ |
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| 29 | #define UPD64083_YCS_MODE 0 |
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| 30 | /* YCS+ mode: 2D Y/C separation and YCNR (burst locked clocking) */ |
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| 31 | #define UPD64083_YCS_PLUS_MODE 1 |
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| 32 | |
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| 33 | /* Note: the following two modes cannot be used in combination with the |
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| 34 | external Y-ADC. */ |
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| 35 | /* MNNR mode: frame comb type YNR+C delay (line locked clocking) */ |
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| 36 | #define UPD64083_MNNR_MODE 2 |
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| 37 | /* YCNR mode: frame recursive YCNR (burst locked clocking) */ |
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| 38 | #define UPD64083_YCNR_MODE 3 |
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| 39 | |
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| 40 | /* Select external Y-ADC: this should be set if this device is used in |
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| 41 | combination with the upd64031a ghost reduction device. |
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| 42 | Otherwise leave at 0 (use internal Y-ADC). */ |
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| 43 | #define UPD64083_EXT_Y_ADC (1 << 2) |
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| 44 | |
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| 45 | #endif |
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| 46 | |
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