summaryrefslogtreecommitdiffstats
path: root/include/linux/videotext.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/videotext.h')
-rw-r--r--include/linux/videotext.h125
1 files changed, 125 insertions, 0 deletions
diff --git a/include/linux/videotext.h b/include/linux/videotext.h
new file mode 100644
index 0000000..018f920
--- /dev/null
+++ b/include/linux/videotext.h
@@ -0,0 +1,125 @@
+#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 */
OpenPOWER on IntegriCloud