linux/arch/blackfin/include/asm/bfin_rotary.h

44 lines
1.3 KiB
C

/*
* board initialization should put one of these structures into platform_data
* and place the bfin-rotary onto platform_bus named "bfin-rotary".
*
* Copyright 2008 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef _BFIN_ROTARY_H
#define _BFIN_ROTARY_H
/* mode bitmasks */
#define ROT_QUAD_ENC CNTMODE_QUADENC /* quadrature/grey code encoder mode */
#define ROT_BIN_ENC CNTMODE_BINENC /* binary encoder mode */
#define ROT_UD_CNT CNTMODE_UDCNT /* rotary counter mode */
#define ROT_DIR_CNT CNTMODE_DIRCNT /* direction counter mode */
#define ROT_DEBE DEBE /* Debounce Enable */
#define ROT_CDGINV CDGINV /* CDG Pin Polarity Invert */
#define ROT_CUDINV CUDINV /* CUD Pin Polarity Invert */
#define ROT_CZMINV CZMINV /* CZM Pin Polarity Invert */
struct bfin_rotary_platform_data {
/* set rotary UP KEY_### or BTN_### in case you prefer
* bfin-rotary to send EV_KEY otherwise set 0
*/
unsigned int rotary_up_key;
/* set rotary DOWN KEY_### or BTN_### in case you prefer
* bfin-rotary to send EV_KEY otherwise set 0
*/
unsigned int rotary_down_key;
/* set rotary BUTTON KEY_### or BTN_### */
unsigned int rotary_button_key;
/* set rotary Relative Axis REL_### in case you prefer
* bfin-rotary to send EV_REL otherwise set 0
*/
unsigned int rotary_rel_code;
unsigned short debounce; /* 0..17 */
unsigned short mode;
};
#endif