src/vtx2ascii-src/sys/vtx.h

   1 #ifndef VTX_H_INCLUDED
   2 #define VTX_H_INCLUDED
   3
   4 /* $Id: vtx.h,v 1.6 1997/08/09 00:40:49 mb Exp mb $
   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 typedef unsigned char byte_t;
  13
  14
  15 /* videotext ioctls
  16  */
  17 #define VTXIOCGETINFO  0x7101  /* get version of driver & capabilities of vtx-chipset */
  18 #define VTXIOCCLRPAGE  0x7102  /* clear page-buffer */
  19 #define VTXIOCCLRFOUND 0x7103  /* clear bits indicating that page was found */
  20 #define VTXIOCPAGEREQ  0x7104  /* search for page */
  21 #define VTXIOCGETSTAT  0x7105  /* get status of page-buffer */
  22 #define VTXIOCGETPAGE  0x7106  /* get contents of page-buffer */
  23 #define VTXIOCSTOPDAU  0x7107  /* stop data acquisition unit */
  24 #define VTXIOCPUTPAGE  0x7108  /* display page on TV-screen */
  25 #define VTXIOCSETDISP  0x7109  /* set TV-mode */
  26 #define VTXIOCPUTSTAT  0x710a  /* set status of TV-output-buffer */
  27 #define VTXIOCCLRCACHE 0x710b  /* clear cache on VTX-interface (if avail.) */
  28 #define VTXIOCSETVIRT  0x710c  /* turn on virtual mode (this disables TV-display) */
  29 #define VTXIOCGETQUAL  0x710d  /* get current video/videotext quality */
  30
  31
  32 /* definitions for VTXIOCGETINFO
  33  */
  34 #define SAA5243 0
  35 #define SAA5246 1
  36 #define SAA5249 2
  37 #define SAA5248 3
  38 #define XSTV5346 4
  39
  40 typedef struct {
  41   int version_major, version_minor;     /* version of driver; if version_major changes, driver */
  42                                         /* is not backward compatible!!! CHECK THIS!!! */
  43   int numpages;                         /* number of page-buffers of vtx-chipset */
  44   int cct_type;                         /* type of vtx-chipset (SAA5243, SAA5246, SAA5248 or
  45                                          * SAA5249) */
  46 } vtx_info_t;
  47
  48
  49 /* definitions for VTXIOC{CLRPAGE,CLRFOUND,PAGEREQ,GETSTAT,GETPAGE,STOPDAU,PUTPAGE,SETDISP}
  50  */
  51 #define MIN_UNIT   (1<<0)
  52 #define MIN_TEN    (1<<1)
  53 #define HR_UNIT    (1<<2)
  54 #define HR_TEN     (1<<3)
  55 #define PG_UNIT    (1<<4)
  56 #define PG_TEN     (1<<5)
  57 #define PG_HUND    (1<<6)
  58 #define PGMASK_MAX (1<<7)
  59 #define PGMASK_PAGE (PG_HUND | PG_TEN | PG_UNIT)
  60 #define PGMASK_HOUR (HR_TEN | HR_UNIT)
  61 #define PGMASK_MINUTE (MIN_TEN | MIN_UNIT)
  62
  63 typedef struct {
  64   int page;                     /* number of requested page (hexadecimal) */
  65   int hour;                     /* requested hour (hexadecimal) */
  66   int minute;                   /* requested minute (hexadecimal) */
  67   int pagemask;                 /* mask defining which values of the above are set */
  68   int pgbuf;                    /* buffer where page will be stored */
  69   int start;                    /* start of requested part of page */
  70   int end;                      /* end of requested part of page */
  71   void* buffer;                 /* pointer to beginning of destination buffer */
  72 } vtx_pagereq_t;
  73
  74
  75 /* definitions for VTXIOC{GETSTAT,PUTSTAT}
  76  */
  77 #define VTX_PAGESIZE (40 * 24)
  78 #define VTX_VIRTUALSIZE (40 * 49)
  79
  80 typedef struct {
  81   int pagenum;                  /* number of page (hexadecimal) */
  82   int hour;                     /* hour (hexadecimal) */
  83   int minute;                   /* minute (hexadecimal) */
  84   int charset;                  /* national charset */
  85   unsigned delete : 1;          /* delete page (C4) */
  86   unsigned headline : 1;        /* insert headline (C5) */
  87   unsigned subtitle : 1;        /* insert subtitle (C6) */
  88   unsigned supp_header : 1;     /* suppress header (C7) */
  89   unsigned update : 1;          /* update page (C8) */
  90   unsigned inter_seq : 1;       /* interrupted sequence (C9) */
  91   unsigned dis_disp : 1;        /* disable/suppress display (C10) */
  92   unsigned serial : 1;          /* serial mode (C11) */
  93   unsigned notfound : 1;        /* /FOUND */
  94   unsigned pblf : 1;            /* PBLF */
  95   unsigned hamming : 1;         /* hamming-error occured */
  96 } vtx_pageinfo_t;
  97
  98
  99 /* definitions for VTXIOCSETDISP
 100  */
 101 typedef enum { DISPOFF, DISPNORM, DISPTRANS, DISPINS, INTERLACE_OFFSET } vtxdisp_t;
 102
 103
 104 /* definitions for VTXIOCGETQUAL
 105  */
 106 typedef struct {
 107   int video;
 108   int videotext;
 109 } vtx_quality_t;
 110
 111
 112 /* tuner ioctls
 113  */
 114 #define TUNIOCGETINFO  0x7201  /* get version of driver & capabilities of tuner */
 115 #define TUNIOCRESET    0x7202  /* reset tuner */
 116 #define TUNIOCSETFREQ  0x7203  /* set tuning frequency (unit: kHz) */
 117 #define TUNIOCGETFREQ  0x7204  /* get tuning frequency (unit: kHz) */
 118 #define TUNIOCSETPROG  0x7205  /* set tuning program */
 119 #define TUNIOCGETPROG  0x7206  /* get tuning program */
 120
 121
 122 typedef struct {
 123   int version_major, version_minor;     /* version of driver; if version_major changes, driver */
 124                                         /* is not backward compatible!!! CHECK THIS!!! */
 125   unsigned freq : 1;                    /* tuner can be set to arbitrary frequency */
 126   unsigned prog : 1;                    /* tuner stores several programs */
 127   unsigned scan : 1;                    /* tuner supports scanning */
 128   unsigned autoscan : 1;                /* tuner supports scanning with automatic stop */
 129   unsigned afc : 1;                     /* tuner supports AFC */
 130   unsigned dummy1, dummy2, dummy3, dummy4, dummy5, dummy6, dummy7, dummy8, dummy9, dummy10,
 131       dummy11 : 1;
 132   int dummy12, dummy13, dummy14, dummy15, dummy16, dummy17, dummy18, dummy19;
 133 } tuner_info_t;
 134
 135
 136 /* i2c ioctls
 137  */
 138
 139 #define I2CIOCWRITE 0x7300  /* write raw data to I²C-bus (needs RAW_I2C_SUPPORT) */
 140 #define I2CIOCREAD  0x7301  /* read raw data from I²C-bus (needs RAW_I2C_SUPPORT) */
 141
 142
 143 /* definitions for I2CIOC{WRITE,READ}
 144  */
 145 typedef struct {
 146   int adr;
 147   int count;
 148   byte_t *buffer;
 149 } i2c_raw_t;
 150
 151 #endif /* VTX_H_INCLUDED */