#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 4typedef 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 */