| #ifndef _VTX_H |
| #define _VTX_H |
| |
| /* |
| * Teletext (=Videotext) hardware decoders using interface /dev/vtx |
| * Do not confuse with drivers using /dev/vbi which decode videotext by software |
| * |
| * Videotext IOCTLs changed in order to use _IO() macros defined in <linux/ioctl.h>, |
| * unused tuner IOCTLs cleaned up by |
| * Michael Geng <linux@MichaelGeng.de> |
| * |
| * Copyright (c) 1994-97 Martin Buck <martin-2.buck@student.uni-ulm.de> |
| * Read COPYING for more information |
| * |
| */ |
| |
| |
| /* |
| * Videotext ioctls |
| */ |
| #define VTXIOCGETINFO _IOR (0x81, 1, vtx_info_t) |
| #define VTXIOCCLRPAGE _IOW (0x81, 2, vtx_pagereq_t) |
| #define VTXIOCCLRFOUND _IOW (0x81, 3, vtx_pagereq_t) |
| #define VTXIOCPAGEREQ _IOW (0x81, 4, vtx_pagereq_t) |
| #define VTXIOCGETSTAT _IOW (0x81, 5, vtx_pagereq_t) |
| #define VTXIOCGETPAGE _IOW (0x81, 6, vtx_pagereq_t) |
| #define VTXIOCSTOPDAU _IOW (0x81, 7, vtx_pagereq_t) |
| #define VTXIOCPUTPAGE _IO (0x81, 8) |
| #define VTXIOCSETDISP _IO (0x81, 9) |
| #define VTXIOCPUTSTAT _IO (0x81, 10) |
| #define VTXIOCCLRCACHE _IO (0x81, 11) |
| #define VTXIOCSETVIRT _IOW (0x81, 12, long) |
| |
| /* for compatibility, will go away some day */ |
| #define VTXIOCGETINFO_OLD 0x7101 /* get version of driver & capabilities of vtx-chipset */ |
| #define VTXIOCCLRPAGE_OLD 0x7102 /* clear page-buffer */ |
| #define VTXIOCCLRFOUND_OLD 0x7103 /* clear bits indicating that page was found */ |
| #define VTXIOCPAGEREQ_OLD 0x7104 /* search for page */ |
| #define VTXIOCGETSTAT_OLD 0x7105 /* get status of page-buffer */ |
| #define VTXIOCGETPAGE_OLD 0x7106 /* get contents of page-buffer */ |
| #define VTXIOCSTOPDAU_OLD 0x7107 /* stop data acquisition unit */ |
| #define VTXIOCPUTPAGE_OLD 0x7108 /* display page on TV-screen */ |
| #define VTXIOCSETDISP_OLD 0x7109 /* set TV-mode */ |
| #define VTXIOCPUTSTAT_OLD 0x710a /* set status of TV-output-buffer */ |
| #define VTXIOCCLRCACHE_OLD 0x710b /* clear cache on VTX-interface (if avail.) */ |
| #define VTXIOCSETVIRT_OLD 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 __user *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; |
| |
| #endif /* _VTX_H */ |
