mfd: Add platform data to support multiple WM831x devices per board
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / include / linux / phantom.h
blob94dd6645c60ad942b4996363cecdbce30a032e84
1 /*
2 * Copyright (C) 2005-2007 Jiri Slaby <jirislaby@gmail.com>
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 */
10 #ifndef __PHANTOM_H
11 #define __PHANTOM_H
13 #include <linux/types.h>
15 /* PHN_(G/S)ET_REG param */
16 struct phm_reg {
17 __u32 reg;
18 __u32 value;
21 /* PHN_(G/S)ET_REGS param */
22 struct phm_regs {
23 __u32 count;
24 __u32 mask;
25 __u32 values[8];
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)
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 */
47 #define PHN_ZERO_FORCE 2048 /* zero torque on motor */
49 #endif