include/linux/phantom.h

   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 <asm/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 PH_IOC_MAXNR            4
  38
  39 #define PHN_CONTROL             0x6     /* control byte in iaddr space */
  40 #define PHN_CTL_AMP             0x1     /*   switch after torques change */
  41 #define PHN_CTL_BUT             0x2     /*   is button switched */
  42 #define PHN_CTL_IRQ             0x10    /*   is irq enabled */
  43
  44 #define PHN_ZERO_FORCE          2048    /* zero torque on motor */
  45
  46 #endif