62 lines
1.7 KiB
C
62 lines
1.7 KiB
C
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/*
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* Copyright (C) 2011 Kionix, Inc.
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* Written by Chris Hudson <chudson@kionix.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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* 02111-1307, USA
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*/
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#ifndef __KXTJ9_H__
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#define __KXTJ9_H__
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#define KXTJ9_I2C_ADDR 0x0F
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struct kxtj9_platform_data {
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unsigned int min_interval; /* minimum poll interval (in milli-seconds) */
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unsigned int init_interval; /* initial poll interval (in milli-seconds) */
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/*
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* By default, x is axis 0, y is axis 1, z is axis 2; these can be
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* changed to account for sensor orientation within the host device.
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*/
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u8 axis_map_x;
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u8 axis_map_y;
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u8 axis_map_z;
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/*
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* Each axis can be negated to account for sensor orientation within
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* the host device.
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*/
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bool negate_x;
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bool negate_y;
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bool negate_z;
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/* CTRL_REG1: set resolution, g-range, data ready enable */
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/* Output resolution: 8-bit valid or 12-bit valid */
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#define RES_8BIT 0
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#define RES_12BIT (1 << 6)
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u8 res_12bit;
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/* Output g-range: +/-2g, 4g, or 8g */
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#define KXTJ9_G_2G 0
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#define KXTJ9_G_4G (1 << 3)
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#define KXTJ9_G_8G (1 << 4)
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u8 g_range;
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int (*init)(void);
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void (*exit)(void);
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int (*power_on)(void);
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int (*power_off)(void);
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};
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#endif /* __KXTJ9_H__ */
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