arch/blackfin/include/asm/bfin_rotary.h

   1 /*
   2  * board initialization should put one of these structures into platform_data
   3  * and place the bfin-rotary onto platform_bus named "bfin-rotary".
   4  *
   5  * Copyright 2008 Analog Devices Inc.
   6  *
   7  * Licensed under the GPL-2 or later.
   8  */
   9
  10 #ifndef _BFIN_ROTARY_H
  11 #define _BFIN_ROTARY_H
  12
  13 /* mode bitmasks */
  14 #define ROT_QUAD_ENC    CNTMODE_QUADENC /* quadrature/grey code encoder mode */
  15 #define ROT_BIN_ENC     CNTMODE_BINENC  /* binary encoder mode */
  16 #define ROT_UD_CNT      CNTMODE_UDCNT   /* rotary counter mode */
  17 #define ROT_DIR_CNT     CNTMODE_DIRCNT  /* direction counter mode */
  18
  19 #define ROT_DEBE        DEBE            /* Debounce Enable */
  20
  21 #define ROT_CDGINV      CDGINV          /* CDG Pin Polarity Invert */
  22 #define ROT_CUDINV      CUDINV          /* CUD Pin Polarity Invert */
  23 #define ROT_CZMINV      CZMINV          /* CZM Pin Polarity Invert */
  24
  25 struct bfin_rotary_platform_data {
  26         /* set rotary UP KEY_### or BTN_### in case you prefer
  27          * bfin-rotary to send EV_KEY otherwise set 0
  28          */
  29         unsigned int rotary_up_key;
  30         /* set rotary DOWN KEY_### or BTN_### in case you prefer
  31          * bfin-rotary to send EV_KEY otherwise set 0
  32          */
  33         unsigned int rotary_down_key;
  34         /* set rotary BUTTON KEY_### or BTN_### */
  35         unsigned int rotary_button_key;
  36         /* set rotary Relative Axis REL_### in case you prefer
  37          * bfin-rotary to send EV_REL otherwise set 0
  38          */
  39         unsigned int rotary_rel_code;
  40         unsigned short debounce;        /* 0..17 */
  41         unsigned short mode;
  42 };
  43 #endif