auo-pixcir-ts.h

Go to the documentation of this file.

/*
 * Driver for AUO in-cell touchscreens
 *
 * Copyright (c) 2011 Heiko Stuebner <[email protected]>
 *
 * based on auo_touch.h from Dell Streak kernel
 *
 * Copyright (c) 2008 QUALCOMM Incorporated.
 * Copyright (c) 2008 QUALCOMM USA, INC.
 *
 *
 * This software is licensed under the terms of the GNU General Public
 * License version 2, as published by the Free Software Foundation, and
 * may be copied, distributed, and modified under those terms.
 *
 * 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.
 *
 */

#ifndef __AUO_PIXCIR_TS_H__
#define __AUO_PIXCIR_TS_H__

/*
 * Interrupt modes:
 * periodical:      interrupt is asserted periodicaly
 * compare coordinates: interrupt is asserted when coordinates change
 * indicate touch:  interrupt is asserted during touch
 */
#define AUO_PIXCIR_INT_PERIODICAL   0x00
#define AUO_PIXCIR_INT_COMP_COORD   0x01
#define AUO_PIXCIR_INT_TOUCH_IND    0x02

/*
 * @gpio_int        interrupt gpio
 * @int_setting     one of AUO_PIXCIR_INT_*
 * @init_hw     hardwarespecific init
 * @exit_hw     hardwarespecific shutdown
 * @x_max       x-resolution
 * @y_max       y-resolution
 */
struct auo_pixcir_ts_platdata {
    int gpio_int;

    int int_setting;

    void (*init_hw)(struct i2c_client *);
    void (*exit_hw)(struct i2c_client *);

    unsigned int x_max;
    unsigned int y_max;
};

#endif