| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * (C) Copyright 2000 |
| 3 | * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it |
| 4 | * |
| 5 | * SPDX-License-Identifier: GPL-2.0+ |
| 6 | */ |
| 7 | |
| 8 | #ifndef _VIDEO_AD7176_H_ |
| 9 | #define _VIDEO_AD7176_H_ |
| 10 | |
| 11 | #define VIDEO_ENCODER_NAME "Analog Devices AD7176" |
| 12 | |
| 13 | #define VIDEO_ENCODER_I2C_RATE 100000 /* Max rate is 100 kHz */ |
| 14 | #define VIDEO_ENCODER_CB_Y_CR_Y /* Use CB Y CR Y format... */ |
| 15 | |
| 16 | #define VIDEO_MODE_YUYV /* The only mode supported by this encoder */ |
| 17 | #undef VIDEO_MODE_RGB |
| 18 | #define VIDEO_MODE_BPP 16 |
| 19 | |
| 20 | #ifdef VIDEO_MODE_PAL |
| 21 | #define VIDEO_ACTIVE_COLS 720 |
| 22 | #define VIDEO_ACTIVE_ROWS 576 |
| 23 | #define VIDEO_VISIBLE_COLS 640 |
| 24 | #define VIDEO_VISIBLE_ROWS 480 |
| 25 | #endif |
| 26 | |
| 27 | #ifdef VIDEO_MODE_NTSC |
| 28 | #define VIDEO_ACTIVE_COLS 720 |
| 29 | #define VIDEO_ACTIVE_ROWS 525 |
| 30 | #define VIDEO_VISIBLE_COLS 640 |
| 31 | #define VIDEO_VISIBLE_ROWS 400 |
| 32 | #endif |
| 33 | |
| 34 | static unsigned char video_encoder_data[] = { |
| 35 | #ifdef VIDEO_MODE_NTSC |
| 36 | 0x04, /* Mode Register 0 */ |
| 37 | #ifdef VIDEO_DEBUG_COLORBARS |
| 38 | 0x82, |
| 39 | #else |
| 40 | 0x02, /* Mode Register 1 */ |
| 41 | #endif /* VIDEO_DEBUG_COLORBARS */ |
| 42 | 0x16, /* Subcarrier Freq 0 */ |
| 43 | 0x7c, /* Subcarrier Freq 1 */ |
| 44 | 0xf0, /* Subcarrier Freq 2 */ |
| 45 | 0x21, /* Subcarrier Freq 3 */ |
| 46 | 0x00, /* Subcarrier phase */ |
| 47 | 0x02, /* Timing Register 0 */ |
| 48 | 0x00, /* Extended Captioning 0 */ |
| 49 | 0x00, /* Extended Captioning 1 */ |
| 50 | 0x00, /* Closed Captioning 0 */ |
| 51 | 0x00, /* Closed Captioning 1 */ |
| 52 | 0x00, /* Timing Register 1 */ |
| 53 | 0x08, /* Mode Register 2 */ |
| 54 | 0x00, /* Pedestal Register 0 */ |
| 55 | 0x00, /* Pedestal Register 1 */ |
| 56 | 0x00, /* Pedestal Register 2 */ |
| 57 | 0x00, /* Pedestal Register 3 */ |
| 58 | 0x00 /* Mode Register 3 */ |
| 59 | |
| 60 | #endif /* VIDEO_MODE_NTSC */ |
| 61 | |
| 62 | #ifdef VIDEO_MODE_PAL |
| 63 | 0x05, /* Mode Register 0 */ |
| 64 | #ifdef VIDEO_DEBUG_COLORBARS |
| 65 | 0x82, |
| 66 | #else |
| 67 | 0x02, /* Mode Register 1 (2) */ |
| 68 | #endif /* VIDEO_DEBUG_COLORBARS */ |
| 69 | 0xcb, /* Subcarrier Freq 0 */ |
| 70 | 0x8a, /* Subcarrier Freq 1 */ |
| 71 | 0x09, /* Subcarrier Freq 2 */ |
| 72 | 0x2a, /* Subcarrier Freq 3 */ |
| 73 | 0x00, /* Subcarrier phase */ |
| 74 | 0x0a, /* Timing Register 0 (a) */ |
| 75 | 0x00, /* Extended Captioning 0 */ |
| 76 | 0x00, /* Extended Captioning 1 */ |
| 77 | 0x00, /* Closed Captioning 0 */ |
| 78 | 0x00, /* Closed Captioning 1 */ |
| 79 | 0x00, /* Timing Register 1 */ |
| 80 | 0x08, /* Mode Register 2 (8) */ |
| 81 | 0x00, /* Pedestal Register 0 */ |
| 82 | 0x00, /* Pedestal Register 1 */ |
| 83 | 0x00, /* Pedestal Register 2 */ |
| 84 | 0x00, /* Pedestal Register 3 */ |
| 85 | 0x00 /* Mode Register 3 */ |
| 86 | #endif /* VIDEO_MODE_PAL */ |
| 87 | } ; |
| 88 | |
| 89 | #endif /* _VIDEO_AD7176_H_ */ |