sys/dev/ic/matrixkpvar.h

   1 /*
   2  * Copyright (c) 2005 Jesse Off.  All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  16  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  19  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  20  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  23  * SUCH DAMAGE.
  24  */
  25
  26 #ifndef _DEV_IC_MATRIXKPVAR_H_
  27 #define _DEV_IC_MATRIXKPVAR_H_
  28
  29 #define MAXNKEYS        64
  30 #define FOR_KEYS(x, y)  \
  31         for((x) = 0; (x) < ((MAXNKEYS + 31) / 32); (x)++) y
  32
  33 struct matrixkp_softc {
  34         int mxkp_nkeys;
  35         u_int32_t mxkp_pressed[(MAXNKEYS + 31) / 32];
  36         int poll_freq;
  37         u_int32_t debounce_stable_ms;
  38         void (*mxkp_scankeys)(struct matrixkp_softc *, u_int32_t *);
  39         void (*mxkp_event)(struct matrixkp_softc *, u_int32_t *, u_int32_t *);
  40 #define MXKP_NODEBOUNCE 0x1
  41         u_int32_t sc_flags;
  42         u_int32_t sc_enabled;
  43         device_t sc_dev;
  44         device_t sc_wskbddev;
  45         struct callout sc_callout;
  46 };
  47
  48 void mxkp_attach(struct matrixkp_softc *);
  49 void mxkp_poll(void *);
  50 void mxkp_debounce(struct matrixkp_softc *, u_int32_t *, u_int32_t *);
  51 void mxkp_wskbd_event(struct matrixkp_softc *, u_int32_t *, u_int32_t *);
  52 int  mxkp_enable(void *, int);
  53 void mxkp_set_leds(void *, int);
  54 int  mxkp_ioctl(void *, u_long, void *, int, struct lwp *);
  55
  56 const struct wskbd_accessops mxkp_accessops;
  57
  58 #endif