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      1 /*
      2  *  Copyright (C) 2005-2007 Jiri Slaby <jirislaby (at) gmail.com>
      3  *
      4  *  This program is free software; you can redistribute it and/or modify
      5  *  it under the terms of the GNU General Public License as published by
      6  *  the Free Software Foundation; either version 2 of the License, or
      7  *  (at your option) any later version.
      8  */
      9 
     10 #ifndef __PHANTOM_H
     11 #define __PHANTOM_H
     12 
     13 #include <linux/types.h>
     14 
     15 /* PHN_(G/S)ET_REG param */
     16 struct phm_reg {
     17 	__u32 reg;
     18 	__u32 value;
     19 };
     20 
     21 /* PHN_(G/S)ET_REGS param */
     22 struct phm_regs {
     23 	__u32 count;
     24 	__u32 mask;
     25 	__u32 values[8];
     26 };
     27 
     28 #define PH_IOC_MAGIC		'p'
     29 #define PHN_GET_REG		_IOWR(PH_IOC_MAGIC, 0, struct phm_reg *)
     30 #define PHN_SET_REG		_IOW(PH_IOC_MAGIC, 1, struct phm_reg *)
     31 #define PHN_GET_REGS		_IOWR(PH_IOC_MAGIC, 2, struct phm_regs *)
     32 #define PHN_SET_REGS		_IOW(PH_IOC_MAGIC, 3, struct phm_regs *)
     33 /* this ioctl tells the driver, that the caller is not OpenHaptics and might
     34  * use improved registers update (no more phantom switchoffs when using
     35  * libphantom) */
     36 #define PHN_NOT_OH		_IO(PH_IOC_MAGIC, 4)
     37 #define PHN_GETREG		_IOWR(PH_IOC_MAGIC, 5, struct phm_reg)
     38 #define PHN_SETREG		_IOW(PH_IOC_MAGIC, 6, struct phm_reg)
     39 #define PHN_GETREGS		_IOWR(PH_IOC_MAGIC, 7, struct phm_regs)
     40 #define PHN_SETREGS		_IOW(PH_IOC_MAGIC, 8, struct phm_regs)
     41 
     42 #define PHN_CONTROL		0x6     /* control byte in iaddr space */
     43 #define PHN_CTL_AMP		0x1     /*   switch after torques change */
     44 #define PHN_CTL_BUT		0x2     /*   is button switched */
     45 #define PHN_CTL_IRQ		0x10    /*   is irq enabled */
     46 
     47 #define PHN_ZERO_FORCE		2048	/* zero torque on motor */
     48 
     49 #endif
     50