| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef _VTX_H |
| 2 | #define _VTX_H |
| 3 | |
| 4 | /* |
| 5 | * Teletext (=Videotext) hardware decoders using interface /dev/vtx |
| 6 | * Do not confuse with drivers using /dev/vbi which decode videotext by software |
| 7 | * |
| 8 | * Videotext IOCTLs changed in order to use _IO() macros defined in <linux/ioctl.h>, |
| 9 | * unused tuner IOCTLs cleaned up by |
| 10 | * Michael Geng <linux@MichaelGeng.de> |
| 11 | * |
| 12 | * Copyright (c) 1994-97 Martin Buck <martin-2.buck@student.uni-ulm.de> |
| 13 | * Read COPYING for more information |
| 14 | * |
| 15 | */ |
| 16 | |
| 17 | |
| 18 | /* |
| 19 | * Videotext ioctls |
| 20 | */ |
| 21 | #define VTXIOCGETINFO _IOR (0x81, 1, vtx_info_t) |
| 22 | #define VTXIOCCLRPAGE _IOW (0x81, 2, vtx_pagereq_t) |
| 23 | #define VTXIOCCLRFOUND _IOW (0x81, 3, vtx_pagereq_t) |
| 24 | #define VTXIOCPAGEREQ _IOW (0x81, 4, vtx_pagereq_t) |
| 25 | #define VTXIOCGETSTAT _IOW (0x81, 5, vtx_pagereq_t) |
| 26 | #define VTXIOCGETPAGE _IOW (0x81, 6, vtx_pagereq_t) |
| 27 | #define VTXIOCSTOPDAU _IOW (0x81, 7, vtx_pagereq_t) |
| 28 | #define VTXIOCPUTPAGE _IO (0x81, 8) |
| 29 | #define VTXIOCSETDISP _IO (0x81, 9) |
| 30 | #define VTXIOCPUTSTAT _IO (0x81, 10) |
| 31 | #define VTXIOCCLRCACHE _IO (0x81, 11) |
| 32 | #define VTXIOCSETVIRT _IOW (0x81, 12, long) |
| 33 | |
| 34 | /* for compatibility, will go away some day */ |
| 35 | #define VTXIOCGETINFO_OLD 0x7101 /* get version of driver & capabilities of vtx-chipset */ |
| 36 | #define VTXIOCCLRPAGE_OLD 0x7102 /* clear page-buffer */ |
| 37 | #define VTXIOCCLRFOUND_OLD 0x7103 /* clear bits indicating that page was found */ |
| 38 | #define VTXIOCPAGEREQ_OLD 0x7104 /* search for page */ |
| 39 | #define VTXIOCGETSTAT_OLD 0x7105 /* get status of page-buffer */ |
| 40 | #define VTXIOCGETPAGE_OLD 0x7106 /* get contents of page-buffer */ |
| 41 | #define VTXIOCSTOPDAU_OLD 0x7107 /* stop data acquisition unit */ |
| 42 | #define VTXIOCPUTPAGE_OLD 0x7108 /* display page on TV-screen */ |
| 43 | #define VTXIOCSETDISP_OLD 0x7109 /* set TV-mode */ |
| 44 | #define VTXIOCPUTSTAT_OLD 0x710a /* set status of TV-output-buffer */ |
| 45 | #define VTXIOCCLRCACHE_OLD 0x710b /* clear cache on VTX-interface (if avail.) */ |
| 46 | #define VTXIOCSETVIRT_OLD 0x710c /* turn on virtual mode (this disables TV-display) */ |
| 47 | |
| 48 | /* |
| 49 | * Definitions for VTXIOCGETINFO |
| 50 | */ |
| 51 | |
| 52 | #define SAA5243 0 |
| 53 | #define SAA5246 1 |
| 54 | #define SAA5249 2 |
| 55 | #define SAA5248 3 |
| 56 | #define XSTV5346 4 |
| 57 | |
| 58 | typedef struct { |
| 59 | int version_major, version_minor; /* version of driver; if version_major changes, driver */ |
| 60 | /* is not backward compatible!!! CHECK THIS!!! */ |
| 61 | int numpages; /* number of page-buffers of vtx-chipset */ |
| 62 | int cct_type; /* type of vtx-chipset (SAA5243, SAA5246, SAA5248 or |
| 63 | * SAA5249) */ |
| 64 | } |
| 65 | vtx_info_t; |
| 66 | |
| 67 | |
| 68 | /* |
| 69 | * Definitions for VTXIOC{CLRPAGE,CLRFOUND,PAGEREQ,GETSTAT,GETPAGE,STOPDAU,PUTPAGE,SETDISP} |
| 70 | */ |
| 71 | |
| 72 | #define MIN_UNIT (1<<0) |
| 73 | #define MIN_TEN (1<<1) |
| 74 | #define HR_UNIT (1<<2) |
| 75 | #define HR_TEN (1<<3) |
| 76 | #define PG_UNIT (1<<4) |
| 77 | #define PG_TEN (1<<5) |
| 78 | #define PG_HUND (1<<6) |
| 79 | #define PGMASK_MAX (1<<7) |
| 80 | #define PGMASK_PAGE (PG_HUND | PG_TEN | PG_UNIT) |
| 81 | #define PGMASK_HOUR (HR_TEN | HR_UNIT) |
| 82 | #define PGMASK_MINUTE (MIN_TEN | MIN_UNIT) |
| 83 | |
| 84 | typedef struct |
| 85 | { |
| 86 | int page; /* number of requested page (hexadecimal) */ |
| 87 | int hour; /* requested hour (hexadecimal) */ |
| 88 | int minute; /* requested minute (hexadecimal) */ |
| 89 | int pagemask; /* mask defining which values of the above are set */ |
| 90 | int pgbuf; /* buffer where page will be stored */ |
| 91 | int start; /* start of requested part of page */ |
| 92 | int end; /* end of requested part of page */ |
| 93 | void __user *buffer; /* pointer to beginning of destination buffer */ |
| 94 | } |
| 95 | vtx_pagereq_t; |
| 96 | |
| 97 | |
| 98 | /* |
| 99 | * Definitions for VTXIOC{GETSTAT,PUTSTAT} |
| 100 | */ |
| 101 | |
| 102 | #define VTX_PAGESIZE (40 * 24) |
| 103 | #define VTX_VIRTUALSIZE (40 * 49) |
| 104 | |
| 105 | typedef struct |
| 106 | { |
| 107 | int pagenum; /* number of page (hexadecimal) */ |
| 108 | int hour; /* hour (hexadecimal) */ |
| 109 | int minute; /* minute (hexadecimal) */ |
| 110 | int charset; /* national charset */ |
| 111 | unsigned delete : 1; /* delete page (C4) */ |
| 112 | unsigned headline : 1; /* insert headline (C5) */ |
| 113 | unsigned subtitle : 1; /* insert subtitle (C6) */ |
| 114 | unsigned supp_header : 1; /* suppress header (C7) */ |
| 115 | unsigned update : 1; /* update page (C8) */ |
| 116 | unsigned inter_seq : 1; /* interrupted sequence (C9) */ |
| 117 | unsigned dis_disp : 1; /* disable/suppress display (C10) */ |
| 118 | unsigned serial : 1; /* serial mode (C11) */ |
| 119 | unsigned notfound : 1; /* /FOUND */ |
| 120 | unsigned pblf : 1; /* PBLF */ |
| 121 | unsigned hamming : 1; /* hamming-error occurred */ |
| 122 | } |
| 123 | vtx_pageinfo_t; |
| 124 | |
| 125 | #endif /* _VTX_H */ |