videotext.h
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- #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 4
- typedef 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 */