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/*
* etzkx: lisn3dsh/kxtnk 3d accelerometer driver
*
* Copyright (C) 2013 Andi Shyti <andi@etezian.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __ETZKX_H__
#define __ETZKX_H__
#define ETZKX_G_RANGE_DONT_CARE 0
#define ETZKX_G_RANGE_2G 2
#define ETZKX_G_RANGE_4G 4
#define ETZKX_G_RANGE_6G 6
#define ETZKX_G_RANGE_8G 8
#define ETZKX_ODR_3_125 0x00
#define ETZKX_ODR_6_25 0x01
#define ETZKX_ODR_12_5 0x02
#define ETZKX_ODR_25 0x03
#define ETZKX_ODR_50 0x04
#define ETZKX_ODR_100 0x05
#define ETZKX_ODR_400 0x06
#define ETZKX_ODR_1600 0x07
#define ETZKX_ODR_DONT_CARE 0xFF
#define ETZKX_STM_ID_NO_STM 0
#define ETZKX_STM_ID_TIMING 1
#define ETZKX_STM_ID_ORIENTATION 2
#define ETZKX_STM_ID_DOUBLE_TAP 3
#define ETZKX_STM_ID_WAKEUP 4
#define ETZKX_STM_ID_V_DOUBLE_TAP 5
#define ETZKX_DEFAULT_G_RANGE ETZKX_G_RANGE_4G
#define ETZKX_DEFAULT_ODR ETZKX_ODR_50
/* ioctl-number: 'x' 00-2F (32 commands) */
#define ETZKX_IOCTL_NUM ('x')
struct etzkx_stm_data {
s32 id;
union {
/* double tap */
struct {
u8 x;
u8 y;
u8 z;
u8 peak;
};
/* orientation */
struct {
u16 portrait;
u16 landscape;
};
/* wake up */
struct {
u16 wakeup;
u16 sleep;
};
/* v double tap */
struct {
u32 vtap;
};
/* running algos */
struct {
u16 stm1;
u16 stm2;
};
} algo;
};
/* etzkx ioctl command types */
#define ETZKXIO_ENABLE 0x01
#define ETZKXIO_DISABLE 0x02
#define ETZKXIO_STATE 0x03
/*
* etzkx ioctl commands
* - first 6 bits identify the algorithm id
* - last 2 bits identify the operation type on the algorithm
*/
#define ETZKXIO_ENABLE_TIMING _IO(ETZKX_IOCTL_NUM, \
(ETZKX_STM_ID_TIMING << 2) | \
ETZKXIO_ENABLE)
#define ETZKXIO_DISABLE_TIMING _IO(ETZKX_IOCTL_NUM, \
(ETZKX_STM_ID_TIMING << 2) | \
ETZKXIO_DISABLE)
#define ETZKXIO_ENABLE_ORIENTATION _IO(ETZKX_IOCTL_NUM, \
(ETZKX_STM_ID_ORIENTATION << 2) | \
ETZKXIO_ENABLE)
#define ETZKXIO_DISABLE_ORIENTATION _IO(ETZKX_IOCTL_NUM, \
(ETZKX_STM_ID_ORIENTATION << 2) | \
ETZKXIO_DISABLE)
#define ETZKXIO_ENABLE_WAKEUP _IO(ETZKX_IOCTL_NUM, \
(ETZKX_STM_ID_WAKEUP << 2) | \
ETZKXIO_ENABLE)
#define ETZKXIO_DISABLE_WAKEUP _IO(ETZKX_IOCTL_NUM, \
(ETZKX_STM_ID_WAKEUP << 2) | \
ETZKXIO_DISABLE)
#define ETZKXIO_ENABLE_V_DOUBLE_TAP _IO(ETZKX_IOCTL_NUM, \
(ETZKX_STM_ID_V_DOUBLE_TAP << 2) | \
ETZKXIO_ENABLE)
#define ETZKXIO_DISABLE_V_DOUBLE_TAP _IO(ETZKX_IOCTL_NUM, \
(ETZKX_STM_ID_V_DOUBLE_TAP << 2) | \
ETZKXIO_DISABLE)
#define ETZKXIO_WHICH_ORIENTATION _IOR(ETZKX_IOCTL_NUM, \
(ETZKX_STM_ID_ORIENTATION << 2) | \
ETZKXIO_STATE, \
struct etzkx_stm_data *)
#define ETZKXIO_ENABLE_DOUBLE_TAP _IO(ETZKX_IOCTL_NUM, \
(ETZKX_STM_ID_DOUBLE_TAP << 2) | \
ETZKXIO_ENABLE)
#define ETZKXIO_DISABLE_DOUBLE_TAP _IO(ETZKX_IOCTL_NUM, \
(ETZKX_STM_ID_DOUBLE_TAP << 2) | \
ETZKXIO_DISABLE)
#define ETZKXIO_RUNNING_ALGO _IOR(ETZKX_IOCTL_NUM, \
(0x0A << 2) | ETZKXIO_STATE, \
struct etzkx_stm_data *)
#define ETZKXIO_INSTANT_ORIENTATION _IOR(ETZKX_IOCTL_NUM, \
(0x0B << 2) | ETZKXIO_STATE, \
struct etzkx_stm_data *)
#define ETZKX_DEV_NAME "etzkx"
#define ETZKX_DRV_VERSION 5
struct etzkx_platform_data {
int (*init)(void);
void (*release)(void);
u8 x_map;
u8 y_map;
u8 z_map;
u8 x_negate;
u8 y_negate;
u8 z_negate;
u8 odr;
u8 range;
u16 irq1;
u16 irq2;
};
#endif
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