| 1 | /*- |
| 2 | * SPDX-License-Identifier: BSD-4-Clause |
| 3 | * |
| 4 | * Copyright (c) 2003 Hidetoshi Shimokawa |
| 5 | * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa |
| 6 | * All rights reserved. |
| 7 | * |
| 8 | * Redistribution and use in source and binary forms, with or without |
| 9 | * modification, are permitted provided that the following conditions |
| 10 | * are met: |
| 11 | * 1. Redistributions of source code must retain the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer. |
| 13 | * 2. Redistributions in binary form must reproduce the above copyright |
| 14 | * notice, this list of conditions and the following disclaimer in the |
| 15 | * documentation and/or other materials provided with the distribution. |
| 16 | * 3. All advertising materials mentioning features or use of this software |
| 17 | * must display the acknowledgement as bellow: |
| 18 | * |
| 19 | * This product includes software developed by K. Kobayashi and H. Shimokawa |
| 20 | * |
| 21 | * 4. The name of the author may not be used to endorse or promote products |
| 22 | * derived from this software without specific prior written permission. |
| 23 | * |
| 24 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 25 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 26 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 27 | * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, |
| 28 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 29 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| 30 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 31 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| 32 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
| 33 | * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 34 | * POSSIBILITY OF SUCH DAMAGE. |
| 35 | * |
| 36 | * |
| 37 | */ |
| 38 | |
| 39 | #define		DV_BROADCAST_ON (1<<30) |
| 40 | #define		oMPR		0x900 |
| 41 | #define		oPCR		0x904 |
| 42 | #define		iMPR		0x980 |
| 43 | #define		iPCR		0x984 |
| 44 | |
| 45 | struct ciphdr { |
| 46 | #if BYTE_ORDER == BIG_ENDIAN |
| 47 | 	uint8_t eoh0:1,		/* 0 */ |
| 48 | 		form0:1,	/* 0 */ |
| 49 | 		src:6; |
| 50 | #else |
| 51 | 	uint8_t src:6, |
| 52 | 		form0:1,	/* 0 */ |
| 53 | 		eoh0:1;		/* 0 */ |
| 54 | #endif |
| 55 | 	uint8_t len; |
| 56 | #if BYTE_ORDER == BIG_ENDIAN |
| 57 | 	uint8_t fn:2, |
| 58 | 		qpc:3, |
| 59 | 		sph:1, |
| 60 | 		:2; |
| 61 | #else |
| 62 | 	uint8_t :2, |
| 63 | 		sph:1, |
| 64 | 		qpc:3, |
| 65 | 		fn:2; |
| 66 | #endif |
| 67 | 	uint8_t dbc; |
| 68 | #if BYTE_ORDER == BIG_ENDIAN |
| 69 | 	uint8_t eoh1:1,		/* 1 */ |
| 70 | 		form1:1,	/* 0 */ |
| 71 | 		fmt:6; |
| 72 | #else |
| 73 | 	uint8_t fmt:6, |
| 74 | 		form1:1,	/* 0 */ |
| 75 | 		eoh1:1;		/* 1 */ |
| 76 | #endif |
| 77 | #define CIP_FMT_DVCR	0 |
| 78 | #define CIP_FMT_MPEG	(1<<5) |
| 79 | 	union { |
| 80 | 		struct { |
| 81 | #if BYTE_ORDER == BIG_ENDIAN |
| 82 | 			uint8_t fs:1,		/* 50/60 field system |
| 83 | 								NTSC/PAL */ |
| 84 | 				stype:5, |
| 85 | 				:2; |
| 86 | #else |
| 87 | 			uint8_t :2, |
| 88 | 				stype:5, |
| 89 | 		 		fs:1;		/* 50/60 field system |
| 90 | 								NTSC/PAL */ |
| 91 | #endif |
| 92 | #define	CIP_STYPE_SD	0 |
| 93 | #define	CIP_STYPE_SDL	1 |
| 94 | #define	CIP_STYPE_HD	2 |
| 95 | 	 		uint16_t cyc:16;	/* take care of byte order! */ |
| 96 | 		} __attribute__ ((packed)) dv; |
| 97 | 		uint8_t bytes[3]; |
| 98 | 	} fdf; |
| 99 | |
| 100 | }; |
| 101 | struct dvdbc { |
| 102 | #if BYTE_ORDER == BIG_ENDIAN |
| 103 | 	uint8_t sct:3,		/* Section type */ |
| 104 | 		:1,		/* Reserved */ |
| 105 | 		arb:4;		/* Arbitrary bit */ |
| 106 | #else |
| 107 | 	uint8_t arb:4,		/* Arbitrary bit */ |
| 108 | 		:1,		/* Reserved */ |
| 109 | 		sct:3;		/* Section type */ |
| 110 | #endif |
| 111 | #define	DV_SCT_HEADER	0 |
| 112 | #define	DV_SCT_SUBCODE	1 |
| 113 | #define	DV_SCT_VAUX	2 |
| 114 | #define	DV_SCT_AUDIO	3 |
| 115 | #define	DV_SCT_VIDEO	4 |
| 116 | #if BYTE_ORDER == BIG_ENDIAN |
| 117 | 	uint8_t dseq:4,		/* DIF sequence number */ |
| 118 | 		fsc:1,		/* ID of a DIF block in each channel */ |
| 119 | 		:3; |
| 120 | #else |
| 121 | 	uint8_t :3, |
| 122 | 		fsc:1,		/* ID of a DIF block in each channel */ |
| 123 | 		dseq:4;		/* DIF sequence number */ |
| 124 | #endif |
| 125 | 	uint8_t dbn;		/* DIF block number */ |
| 126 | 	uint8_t payload[77]; |
| 127 | #define	DV_DSF_12	0x80	/* PAL: payload[0] in Header DIF */ |
| 128 | }; |