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/*
* Common code for Freescale MMA955x Intelligent Sensor Platform drivers
* Copyright ( c ) 2014 , Intel Corporation .
*
* This program is free software ; you can redistribute it and / or modify it
* under the terms and conditions of the GNU General Public License ,
* version 2 , as published by the Free Software Foundation .
*
* This program is distributed in the hope 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 .
*/
# ifndef _MMA9551_CORE_H_
# define _MMA9551_CORE_H_
/* Applications IDs */
# define MMA9551_APPID_VERSION 0x00
# define MMA9551_APPID_GPIO 0x03
# define MMA9551_APPID_AFE 0x06
# define MMA9551_APPID_TILT 0x0B
# define MMA9551_APPID_SLEEP_WAKE 0x12
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# define MMA9551_APPID_PEDOMETER 0x15
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# define MMA9551_APPID_RSC 0x17
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# define MMA9551_APPID_NONE 0xff
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/* Reset/Suspend/Clear application app masks */
# define MMA9551_RSC_PED BIT(21)
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# define MMA9551_AUTO_SUSPEND_DELAY_MS 2000
enum mma9551_gpio_pin {
mma9551_gpio6 = 0 ,
mma9551_gpio7 ,
mma9551_gpio8 ,
mma9551_gpio9 ,
mma9551_gpio_max = mma9551_gpio9 ,
} ;
# define MMA9551_ACCEL_CHANNEL(axis) { \
. type = IIO_ACCEL , \
. modified = 1 , \
. channel2 = axis , \
. info_mask_separate = BIT ( IIO_CHAN_INFO_RAW ) , \
. info_mask_shared_by_type = BIT ( IIO_CHAN_INFO_SCALE ) , \
}
int mma9551_read_config_byte ( struct i2c_client * client , u8 app_id ,
u16 reg , u8 * val ) ;
int mma9551_write_config_byte ( struct i2c_client * client , u8 app_id ,
u16 reg , u8 val ) ;
int mma9551_read_status_byte ( struct i2c_client * client , u8 app_id ,
u16 reg , u8 * val ) ;
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int mma9551_read_config_word ( struct i2c_client * client , u8 app_id ,
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u16 reg , u16 * val ) ;
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int mma9551_write_config_word ( struct i2c_client * client , u8 app_id ,
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u16 reg , u16 val ) ;
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int mma9551_read_status_word ( struct i2c_client * client , u8 app_id ,
u16 reg , u16 * val ) ;
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int mma9551_read_config_words ( struct i2c_client * client , u8 app_id ,
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u16 reg , u8 len , u16 * buf ) ;
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int mma9551_read_status_words ( struct i2c_client * client , u8 app_id ,
u16 reg , u8 len , u16 * buf ) ;
int mma9551_write_config_words ( struct i2c_client * client , u8 app_id ,
u16 reg , u8 len , u16 * buf ) ;
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int mma9551_update_config_bits ( struct i2c_client * client , u8 app_id ,
u16 reg , u8 mask , u8 val ) ;
int mma9551_gpio_config ( struct i2c_client * client , enum mma9551_gpio_pin pin ,
u8 app_id , u8 bitnum , int polarity ) ;
int mma9551_read_version ( struct i2c_client * client ) ;
int mma9551_set_device_state ( struct i2c_client * client , bool enable ) ;
int mma9551_set_power_state ( struct i2c_client * client , bool on ) ;
void mma9551_sleep ( int freq ) ;
int mma9551_read_accel_chan ( struct i2c_client * client ,
const struct iio_chan_spec * chan ,
int * val , int * val2 ) ;
int mma9551_read_accel_scale ( int * val , int * val2 ) ;
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int mma9551_app_reset ( struct i2c_client * client , u32 app_mask ) ;
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# endif /* _MMA9551_CORE_H_ */