1 #ifndef _VTX_H
2 #define _VTX_H
3
4 /* $Id: videotext.h,v 1.1 1998/03/30 22:26:39 alan Exp $
5 *
6 * Copyright (c) 1994-97 Martin Buck <martin-2.buck@student.uni-ulm.de>
7 * Read COPYING for more information
8 *
9 */
10
11
12 /*
13 * Videotext ioctls
14 */
15 #define VTXIOCGETINFO 0x7101 /* get version of driver & capabilities of vtx-chipset */
16 #define VTXIOCCLRPAGE 0x7102 /* clear page-buffer */
17 #define VTXIOCCLRFOUND 0x7103 /* clear bits indicating that page was found */
18 #define VTXIOCPAGEREQ 0x7104 /* search for page */
19 #define VTXIOCGETSTAT 0x7105 /* get status of page-buffer */
20 #define VTXIOCGETPAGE 0x7106 /* get contents of page-buffer */
21 #define VTXIOCSTOPDAU 0x7107 /* stop data acquisition unit */
22 #define VTXIOCPUTPAGE 0x7108 /* display page on TV-screen */
23 #define VTXIOCSETDISP 0x7109 /* set TV-mode */
24 #define VTXIOCPUTSTAT 0x710a /* set status of TV-output-buffer */
25 #define VTXIOCCLRCACHE 0x710b /* clear cache on VTX-interface (if avail.) */
26 #define VTXIOCSETVIRT 0x710c /* turn on virtual mode (this disables TV-display) */
27
28
29 /*
30 * Definitions for VTXIOCGETINFO
31 */
32
33 #define SAA5243 0
34 #define SAA5246 1
35 #define SAA5249 2
36 #define SAA5248 3
37 #define XSTV5346 4
38
39 typedef struct {
40 int version_major, version_minor; /* version of driver; if version_major changes, driver */
41 /* is not backward compatible!!! CHECK THIS!!! */
42 int numpages; /* number of page-buffers of vtx-chipset */
43 int cct_type; /* type of vtx-chipset (SAA5243, SAA5246, SAA5248 or
44 * SAA5249) */
45 }
46 vtx_info_t;
47
48
49 /*
50 * Definitions for VTXIOC{CLRPAGE,CLRFOUND,PAGEREQ,GETSTAT,GETPAGE,STOPDAU,PUTPAGE,SETDISP}
51 */
52
53 #define MIN_UNIT (1<<0)
54 #define MIN_TEN (1<<1)
55 #define HR_UNIT (1<<2)
56 #define HR_TEN (1<<3)
57 #define PG_UNIT (1<<4)
58 #define PG_TEN (1<<5)
59 #define PG_HUND (1<<6)
60 #define PGMASK_MAX (1<<7)
61 #define PGMASK_PAGE (PG_HUND | PG_TEN | PG_UNIT)
62 #define PGMASK_HOUR (HR_TEN | HR_UNIT)
63 #define PGMASK_MINUTE (MIN_TEN | MIN_UNIT)
64
65 typedef struct
66 {
67 int page; /* number of requested page (hexadecimal) */
68 int hour; /* requested hour (hexadecimal) */
69 int minute; /* requested minute (hexadecimal) */
70 int pagemask; /* mask defining which values of the above are set */
71 int pgbuf; /* buffer where page will be stored */
72 int start; /* start of requested part of page */
73 int end; /* end of requested part of page */
74 void *buffer; /* pointer to beginning of destination buffer */
75 }
76 vtx_pagereq_t;
77
78
79 /*
80 * Definitions for VTXIOC{GETSTAT,PUTSTAT}
81 */
82
83 #define VTX_PAGESIZE (40 * 24)
84 #define VTX_VIRTUALSIZE (40 * 49)
85
86 typedef struct
87 {
88 int pagenum; /* number of page (hexadecimal) */
89 int hour; /* hour (hexadecimal) */
90 int minute; /* minute (hexadecimal) */
91 int charset; /* national charset */
92 unsigned delete : 1; /* delete page (C4) */
93 unsigned headline : 1; /* insert headline (C5) */
94 unsigned subtitle : 1; /* insert subtitle (C6) */
95 unsigned supp_header : 1; /* suppress header (C7) */
96 unsigned update : 1; /* update page (C8) */
97 unsigned inter_seq : 1; /* interrupted sequence (C9) */
98 unsigned dis_disp : 1; /* disable/suppress display (C10) */
99 unsigned serial : 1; /* serial mode (C11) */
100 unsigned notfound : 1; /* /FOUND */
101 unsigned pblf : 1; /* PBLF */
102 unsigned hamming : 1; /* hamming-error occurred */
103 }
104 vtx_pageinfo_t;
105
106
107 /*
108 * Definitions for VTXIOCSETDISP
109 */
110
111 typedef enum {
112 DISPOFF, DISPNORM, DISPTRANS, DISPINS, INTERLACE_OFFSET
113 } vtxdisp_t;
114
115
116
117 /*
118 * Tuner ioctls
119 */
120
121 #define TUNIOCGETINFO 0x7201 /* get version of driver & capabilities of tuner */
122 #define TUNIOCRESET 0x7202 /* reset tuner */
123 #define TUNIOCSETFREQ 0x7203 /* set tuning frequency (unit: kHz) */
124 #define TUNIOCGETFREQ 0x7204 /* get tuning frequency (unit: kHz) */
125 #define TUNIOCSETCHAN 0x7205 /* set tuning channel */
126 #define TUNIOCGETCHAN 0x7206 /* get tuning channel */
127
128
129 typedef struct
130 {
131 int version_major, version_minor; /* version of driver; if version_major changes, driver */
132 /* is not backward compatible!!! CHECK THIS!!! */
133 unsigned freq : 1; /* tuner can be set to given frequency */
134 unsigned chan : 1; /* tuner stores several channels */
135 unsigned scan : 1; /* tuner supports scanning */
136 unsigned autoscan : 1; /* tuner supports scanning with automatic stop */
137 unsigned afc : 1; /* tuner supports AFC */
138 unsigned dummy1, dummy2, dummy3, dummy4, dummy5, dummy6, dummy7, dummy8, dummy9, dummy10,
139 dummy11 : 1;
140 int dummy12, dummy13, dummy14, dummy15, dummy16, dummy17, dummy18, dummy19;
141 } tuner_info_t;
142
143
144 #endif /* _VTX_H */
145
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