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