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- #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 *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 */
-