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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _PIXCIR_I2C_TS_H
#define _PIXCIR_I2C_TS_H
/*
* Register map
*/
#define PIXCIR_REG_POWER_MODE 51
#define PIXCIR_REG_INT_MODE 52
/*
* Power modes:
* active: max scan speed
* idle: lower scan speed with automatic transition to active on touch
* halt: datasheet says sleep but this is more like halt as the chip
* clocks are cut and it can only be brought out of this mode
* using the RESET pin.
*/
enum pixcir_power_mode {
PIXCIR_POWER_ACTIVE,
PIXCIR_POWER_IDLE,
PIXCIR_POWER_HALT,
};
#define PIXCIR_POWER_MODE_MASK 0x03
#define PIXCIR_POWER_ALLOW_IDLE (1UL << 2)
/*
* Interrupt modes:
* periodical: interrupt is asserted periodicaly
* diff coordinates: interrupt is asserted when coordinates change
* level on touch: interrupt level asserted during touch
* pulse on touch: interrupt pulse asserted druing touch
*
*/
enum pixcir_int_mode {
PIXCIR_INT_PERIODICAL,
PIXCIR_INT_DIFF_COORD,
PIXCIR_INT_LEVEL_TOUCH,
PIXCIR_INT_PULSE_TOUCH,
};
#define PIXCIR_INT_MODE_MASK 0x03
#define PIXCIR_INT_ENABLE (1UL << 3)
#define PIXCIR_INT_POL_HIGH (1UL << 2)
/**
* struct pixcir_irc_chip_data - chip related data
* @max_fingers: Max number of fingers reported simultaneously by h/w
* @has_hw_ids: Hardware supports finger tracking IDs
*
*/
struct pixcir_i2c_chip_data {
u8 max_fingers;
bool has_hw_ids;
};
struct pixcir_ts_platform_data {
int x_max;
int y_max;
struct pixcir_i2c_chip_data chip;
};
#endif
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