linux/include/linux/phantom.h
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   1/*
   2 *  Copyright (C) 2005-2007 Jiri Slaby <jirislaby@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 */
  16struct phm_reg {
  17        __u32 reg;
  18        __u32 value;
  19};
  20
  21/* PHN_(G/S)ET_REGS param */
  22struct 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
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