| #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 */ |