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
 45struct 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};
101struct 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};