-#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) */
-
+#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) */