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/*
* arch/arm/mach-ep93xx/include/mach/ep93xx_keypad.h
*/
#ifndef __ASM_ARCH_EP93XX_KEYPAD_H
#define __ASM_ARCH_EP93XX_KEYPAD_H
#define MAX_MATRIX_KEY_ROWS (8)
#define MAX_MATRIX_KEY_COLS (8)
/* flags for the ep93xx_keypad driver */
#define EP93XX_KEYPAD_DISABLE_3_KEY (1<<0) /* disable 3-key reset */
#define EP93XX_KEYPAD_DIAG_MODE (1<<1) /* diagnostic mode */
#define EP93XX_KEYPAD_BACK_DRIVE (1<<2) /* back driving mode */
#define EP93XX_KEYPAD_TEST_MODE (1<<3) /* scan only column 0 */
#define EP93XX_KEYPAD_KDIV (1<<4) /* 1/4 clock or 1/16 clock */
#define EP93XX_KEYPAD_AUTOREPEAT (1<<5) /* enable key autorepeat */
/**
* struct ep93xx_keypad_platform_data - platform specific device structure
* @matrix_key_rows: number of rows in the keypad matrix
* @matrix_key_cols: number of columns in the keypad matrix
* @matrix_key_map: array of keycodes defining the keypad matrix
* @matrix_key_map_size: ARRAY_SIZE(matrix_key_map)
* @debounce: debounce start count; terminal count is 0xff
* @prescale: row/column counter pre-scaler load value
* @flags: see above
*/
struct ep93xx_keypad_platform_data {
unsigned int matrix_key_rows;
unsigned int matrix_key_cols;
unsigned int *matrix_key_map;
int matrix_key_map_size;
unsigned int debounce;
unsigned int prescale;
unsigned int flags;
};
/* macro for creating the matrix_key_map table */
#define KEY(row, col, val) (((row) << 28) | ((col) << 24) | (val))
#endif /* __ASM_ARCH_EP93XX_KEYPAD_H */
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