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