arch/arm/plat-samsung/include/plat/keypad.h

   1 /*
   2  * Samsung Platform - Keypad platform data definitions
   3  *
   4  * Copyright (C) 2010 Samsung Electronics Co.Ltd
   5  * Author: Joonyoung Shim <jy0922.shim@samsung.com>
   6  *
   7  * This program is free software; you can redistribute  it and/or modify it
   8  * under  the terms of  the GNU General  Public License as published by the
   9  * Free Software Foundation;  either version 2 of the  License, or (at your
  10  * option) any later version.
  11  */
  12
  13 #ifndef __PLAT_SAMSUNG_KEYPAD_H
  14 #define __PLAT_SAMSUNG_KEYPAD_H
  15
  16 #include <linux/input/matrix_keypad.h>
  17
  18 #define SAMSUNG_MAX_ROWS        8
  19 #define SAMSUNG_MAX_COLS        8
  20
  21 /**
  22  * struct samsung_keypad_platdata - Platform device data for Samsung Keypad.
  23  * @keymap_data: pointer to &matrix_keymap_data.
  24  * @rows: number of keypad row supported.
  25  * @cols: number of keypad col supported.
  26  * @no_autorepeat: disable key autorepeat.
  27  * @wakeup: controls whether the device should be set up as wakeup source.
  28  * @cfg_gpio: configure the GPIO.
  29  *
  30  * Initialisation data specific to either the machine or the platform
  31  * for the device driver to use or call-back when configuring gpio.
  32  */
  33 struct samsung_keypad_platdata {
  34         const struct matrix_keymap_data *keymap_data;
  35         unsigned int rows;
  36         unsigned int cols;
  37         bool no_autorepeat;
  38         bool wakeup;
  39
  40         void (*cfg_gpio)(unsigned int rows, unsigned int cols);
  41 };
  42
  43 /**
  44  * samsung_keypad_set_platdata - Set platform data for Samsung Keypad device.
  45  * @pd: Platform data to register to device.
  46  *
  47  * Register the given platform data for use with Samsung Keypad device.
  48  * The call will copy the platform data, so the board definitions can
  49  * make the structure itself __initdata.
  50  */
  51 extern void samsung_keypad_set_platdata(struct samsung_keypad_platdata *pd);
  52
  53 /* defined by architecture to configure gpio. */
  54 extern void samsung_keypad_cfg_gpio(unsigned int rows, unsigned int cols);
  55
  56 #endif /* __PLAT_SAMSUNG_KEYPAD_H */