| /* |
| * 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 */ |
