1 /*- 2 * Copyright (c) 1985, 1986 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 * 7 * @(#)tablet.h 7.5 (Berkeley) 02/15/91 8 */ 9 10 #ifndef _TABLET_H_ 11 #define _TABLET_H_ 12 13 /* 14 * Tablet line discipline. 15 */ 16 #ifdef KERNEL 17 #include "../h/ioctl.h" 18 #else 19 #include <sys/ioctl.h> 20 #endif 21 22 /* 23 * Reads on the tablet return one of the following structures, depending on 24 * the underlying tablet type. The first two are defined such that a read of 25 * sizeof (gtcopos) on a non-gtco tablet will return meaningful info. The 26 * in-proximity bit is simulated where the tablet does not directly provide 27 * the information. 28 */ 29 struct tbpos { 30 int xpos, ypos; /* raw x-y coordinates */ 31 short status; /* buttons/pen down */ 32 #define TBINPROX 0100000 /* pen in proximity of tablet */ 33 short scount; /* sample count */ 34 }; 35 36 struct gtcopos { 37 int xpos, ypos; /* raw x-y coordinates */ 38 short status; /* as above */ 39 short scount; /* sample count */ 40 short xtilt, ytilt; /* raw tilt */ 41 short pressure; 42 short pad; /* pad to longword boundary */ 43 }; 44 45 struct polpos { 46 short p_x, p_y, p_z; /* raw 3-space coordinates */ 47 short p_azi, p_pit, p_rol; /* azimuth, pitch, and roll */ 48 short p_stat; /* status, as above */ 49 char p_key; /* calculator input keyboard */ 50 }; 51 52 #define BIOSMODE _IOW('b', 1, int) /* set mode bit(s) */ 53 #define BIOGMODE _IOR('b', 2, int) /* get mode bit(s) */ 54 #define TBMODE 0xfff0 /* mode bits: */ 55 #define TBPOINT 0x0010 /* single point */ 56 #define TBRUN 0x0000 /* runs contin. */ 57 #define TBSTOP 0x0020 /* shut-up */ 58 #define TBGO 0x0000 /* ~TBSTOP */ 59 #define TBTYPE 0x000f /* tablet type: */ 60 #define TBUNUSED 0x0 61 #define TBHITACHI 0x1 /* hitachi tablet */ 62 #define TBTIGER 0x2 /* hitachi tiger */ 63 #define TBGTCO 0x3 /* gtco */ 64 #define TBPOL 0x4 /* polhemus 3space */ 65 #define TBHDG 0x5 /* hdg-1111b, low res */ 66 #define TBHDGHIRES 0x6 /* hdg-1111b, high res */ 67 #define TBDIGI 0x7 /* gtco digi-pad, low res */ 68 #define TBDIGIHIRES 0x8 /* gtco digi-pad, high res */ 69 #define BIOSTYPE _IOW('b', 3, int) /* set tablet type */ 70 #define BIOGTYPE _IOR('b', 4, int) /* get tablet type*/ 71 #endif 72 73 #endif /* !_TABLET_H_ */ 74