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bfin_rotary.h

/*
 * 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 */

00025 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

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