LXR linux-old/include/linux/videotext.h

   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
  39typedef 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}
  46vtx_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
  65typedef 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}
  76vtx_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
  86typedef 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}
 104vtx_pageinfo_t;
 105
 106
 107/*
 108 *      Definitions for VTXIOCSETDISP
 109 */
 110 
 111typedef 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
 129typedef 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