[mirror_ubuntu-artful-kernel.git] / include / linux / input / pixcir_ts.h

#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;
	int gpio_attb;		/* GPIO connected to ATTB line */
	struct pixcir_i2c_chip_data chip;
};

#endif
Commit	Line	Data
36a281e2 JB	1	#ifndef _PIXCIR_I2C_TS_H
	2	#define _PIXCIR_I2C_TS_H
	3
3b36fbb0 RQ	4	/*
	5	* Register map
	6	*/
	7	#define PIXCIR_REG_POWER_MODE 51
	8	#define PIXCIR_REG_INT_MODE 52
	9
	10	/*
	11	* Power modes:
	12	* active: max scan speed
	13	* idle: lower scan speed with automatic transition to active on touch
	14	* halt: datasheet says sleep but this is more like halt as the chip
	15	* clocks are cut and it can only be brought out of this mode
	16	* using the RESET pin.
	17	*/
	18	enum pixcir_power_mode {
	19	PIXCIR_POWER_ACTIVE,
	20	PIXCIR_POWER_IDLE,
	21	PIXCIR_POWER_HALT,
	22	};
	23
	24	#define PIXCIR_POWER_MODE_MASK 0x03
	25	#define PIXCIR_POWER_ALLOW_IDLE (1UL << 2)
	26
	27	/*
	28	* Interrupt modes:
	29	* periodical: interrupt is asserted periodicaly
	30	* diff coordinates: interrupt is asserted when coordinates change
	31	* level on touch: interrupt level asserted during touch
	32	* pulse on touch: interrupt pulse asserted druing touch
	33	*
	34	*/
	35	enum pixcir_int_mode {
	36	PIXCIR_INT_PERIODICAL,
	37	PIXCIR_INT_DIFF_COORD,
	38	PIXCIR_INT_LEVEL_TOUCH,
	39	PIXCIR_INT_PULSE_TOUCH,
	40	};
	41
	42	#define PIXCIR_INT_MODE_MASK 0x03
	43	#define PIXCIR_INT_ENABLE (1UL << 3)
	44	#define PIXCIR_INT_POL_HIGH (1UL << 2)
	45
36874c7e RQ	46	/**
	47	* struct pixcir_irc_chip_data - chip related data
	48	* @max_fingers: Max number of fingers reported simultaneously by h/w
	49	* @has_hw_ids: Hardware supports finger tracking IDs
	50	*
	51	*/
	52	struct pixcir_i2c_chip_data {
	53	u8 max_fingers;
	54	bool has_hw_ids;
	55	};
	56
36a281e2	57	struct pixcir_ts_platform_data {
36a281e2 JB	58	int x_max;
36a281e2 JB	59	int y_max;
0dfc8d41	60	int gpio_attb; /* GPIO connected to ATTB line */
36874c7e	61	struct pixcir_i2c_chip_data chip;
36a281e2 JB	62	};
	63
	64	#endif