include/linux/input/auo-pixcir-ts.h

   1 /*
   2  * Driver for AUO in-cell touchscreens
   3  *
   4  * Copyright (c) 2011 Heiko Stuebner <heiko@sntech.de>
   5  *
   6  * based on auo_touch.h from Dell Streak kernel
   7  *
   8  * Copyright (c) 2008 QUALCOMM Incorporated.
   9  * Copyright (c) 2008 QUALCOMM USA, INC.
  10  *
  11  *
  12  * This software is licensed under the terms of the GNU General Public
  13  * License version 2, as published by the Free Software Foundation, and
  14  * may be copied, distributed, and modified under those terms.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  */
  22
  23 #ifndef __AUO_PIXCIR_TS_H__
  24 #define __AUO_PIXCIR_TS_H__
  25
  26 /*
  27  * Interrupt modes:
  28  * periodical:          interrupt is asserted periodicaly
  29  * compare coordinates: interrupt is asserted when coordinates change
  30  * indicate touch:      interrupt is asserted during touch
  31  */
  32 #define AUO_PIXCIR_INT_PERIODICAL       0x00
  33 #define AUO_PIXCIR_INT_COMP_COORD       0x01
  34 #define AUO_PIXCIR_INT_TOUCH_IND        0x02
  35
  36 /*
  37  * @gpio_int            interrupt gpio
  38  * @int_setting         one of AUO_PIXCIR_INT_*
  39  * @init_hw             hardwarespecific init
  40  * @exit_hw             hardwarespecific shutdown
  41  * @x_max               x-resolution
  42  * @y_max               y-resolution
  43  */
  44 struct auo_pixcir_ts_platdata {
  45         int gpio_int;
  46
  47         int int_setting;
  48
  49         void (*init_hw)(struct i2c_client *);
  50         void (*exit_hw)(struct i2c_client *);
  51
  52         unsigned int x_max;
  53         unsigned int y_max;
  54 };
  55
  56 #endif