1 /* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
2 /*
3  * Libbrasero-media
4  * Copyright (C) Philippe Rouquier 2005-2009 <bonfire-app@wanadoo.fr>
5  *
6  * Libbrasero-media is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * The Libbrasero-media authors hereby grant permission for non-GPL compatible
12  * GStreamer plugins to be used and distributed together with GStreamer
13  * and Libbrasero-media. This permission is above and beyond the permissions granted
14  * by the GPL license by which Libbrasero-media is covered. If you modify this code
15  * you may extend this exception to your version of the code, but you are not
16  * obligated to do so. If you do not wish to do so, delete this exception
17  * statement from your version.
18  *
19  * Libbrasero-media is distributed in the hope that it will be useful,
20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
22  * GNU Library General Public License for more details.
23  *
24  * You should have received a copy of the GNU General Public License
25  * along with this program; if not, write to:
26  * 	The Free Software Foundation, Inc.,
27  * 	51 Franklin Street, Fifth Floor
28  * 	Boston, MA  02110-1301, USA.
29  */
30 
31 #include <glib.h>
32 
33 #include "scsi-base.h"
34 
35 #ifndef _SCSI_READ_TRACK_INFORMATION_H
36 #define _SCSI_READ_TRACK_INFORMATION_H
37 
38 G_BEGIN_DECLS
39 
40 typedef enum {
41 BRASERO_SCSI_DATA_MODE_1			= 0x01,
42 BRASERO_SCSI_DATA_MODE_2_XA			= 0x02,
43 BRASERO_SCSI_DATA_BLOCK_TYPE			= 0x0F
44 } BraseroScsiDataMode;
45 
46 #if G_BYTE_ORDER == G_LITTLE_ENDIAN
47 
48 struct _BraseroScsiTrackInfo {
49 	uchar len			[2];
50 
51 	uchar track_num_low;
52 	uchar session_num_low;
53 
54 	uchar reserved0;
55 
56 	uchar track_mode		:4;
57 	uchar copy			:1;
58 	uchar damage			:1;
59 	uchar layer_jmp_rcd_status	:2;
60 
61 	uchar data_mode			:4;
62 	/* the 4 next bits indicate the track status */
63 	uchar fixed_packet		:1;
64 	uchar packet			:1;
65 	uchar blank			:1;
66 	uchar reserved_track		:1;
67 
68 	uchar next_wrt_address_valid	:1;
69 	uchar last_recorded_blk_valid	:1;
70 	uchar reserved1			:6;
71 
72 	uchar start_lba			[4];
73 	uchar next_wrt_address		[4];
74 	uchar free_blocks		[4];
75 	uchar packet_size		[4];
76 	uchar track_size		[4];
77 	uchar last_recorded_blk		[4];
78 
79 	uchar track_num_high;
80 	uchar session_num_high;
81 
82 	uchar reserved2			[2];		/* 36 bytes MMC1 */
83 
84 	uchar rd_compat_lba		[4];		/* 40 bytes */
85 	uchar next_layer_jmp		[4];
86 	uchar last_layer_jmp		[4];		/* 48 bytes */
87 };
88 
89 #else
90 
91 struct _BraseroScsiTrackInfo {
92 	uchar len			[2];
93 
94 	uchar track_num_low;
95 	uchar session_num_low;
96 
97 	uchar reserved0;
98 
99 	uchar layer_jmp_rcd_status	:2;
100 	uchar damage			:1;
101 	uchar copy			:1;
102 	uchar track_mode		:4;
103 
104 	/* the 4 next bits indicate the track status */
105 	uchar reserved_track		:1;
106 	uchar blank			:1;
107 	uchar packet			:1;
108 	uchar fixed_packet		:1;
109 	uchar data_mode			:4;
110 
111 	uchar reserved1			:6;
112 	uchar last_recorded_blk_valid	:1;
113 	uchar next_wrt_address_valid	:1;
114 
115 	uchar start_lba			[4];
116 	uchar next_wrt_address		[4];
117 	uchar free_blocks		[4];
118 	uchar packet_size		[4];
119 	uchar track_size		[4];
120 	uchar last_recorded_blk		[4];
121 
122 	uchar track_num_high;
123 	uchar session_num_high;
124 
125 	uchar reserved2			[2];
126 
127 	uchar rd_compat_lba		[4];
128 	uchar next_layer_jmp		[4];
129 	uchar last_layer_jmp		[4];
130 };
131 
132 #endif
133 
134 typedef struct _BraseroScsiTrackInfo BraseroScsiTrackInfo;
135 
136 #define BRASERO_SCSI_TRACK_NUM(track)		(((track).track_num_high << 8) + (track).track_num_low)
137 #define BRASERO_SCSI_SESSION_NUM(track)		(((track).session_num_high << 8) + (track).session_num_low)
138 #define BRASERO_SCSI_TRACK_NUM_PTR(track)	(((track)->track_num_high << 8) + (track)->track_num_low)
139 #define BRASERO_SCSI_SESSION_NUM_PTR(track)	(((track)->session_num_high << 8) + (track)->session_num_low)
140 
141 G_END_DECLS
142 
143 #endif /* _SCSI_READ_TRACK_INFORMATION_H */
144 
145 
146