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
  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 */