1 1.3 rmind /* $NetBSD: lcdkp_subr.h,v 1.3 2011/05/14 02:58:27 rmind Exp $ */ 2 1.1 soren 3 1.1 soren /* 4 1.1 soren * Copyright (c) 2002 Dennis I. Chernoivanov 5 1.1 soren * All rights reserved. 6 1.1 soren * 7 1.1 soren * Redistribution and use in source and binary forms, with or without 8 1.1 soren * modification, are permitted provided that the following conditions 9 1.1 soren * are met: 10 1.1 soren * 1. Redistributions of source code must retain the above copyright 11 1.1 soren * notice, this list of conditions and the following disclaimer. 12 1.1 soren * 2. Redistributions in binary form must reproduce the above copyright 13 1.1 soren * notice, this list of conditions and the following disclaimer in the 14 1.1 soren * documentation and/or other materials provided with the distribution. 15 1.1 soren * 3. The name of the author may not be used to endorse or promote products 16 1.1 soren * derived from this software without specific prior written permission 17 1.1 soren * 18 1.1 soren * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 1.1 soren * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 1.1 soren * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 1.1 soren * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 1.1 soren * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 1.1 soren * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 1.1 soren * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 1.1 soren * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 1.1 soren * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 1.1 soren * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 1.1 soren */ 29 1.1 soren 30 1.1 soren #ifndef _DEV_IC_LCDKP_SUBR_H_ 31 1.1 soren #define _DEV_IC_LCDKP_SUBR_H_ 32 1.1 soren 33 1.1 soren #ifdef _KERNEL 34 1.1 soren 35 1.1 soren /* Key code translation */ 36 1.1 soren struct lcdkp_xlate { 37 1.1 soren u_int8_t x_keycode; 38 1.1 soren u_int8_t x_outcode; 39 1.1 soren }; 40 1.1 soren 41 1.1 soren /* Keypad control structure */ 42 1.1 soren struct lcdkp_chip { 43 1.1 soren bus_space_tag_t sc_iot; 44 1.1 soren bus_space_handle_t sc_ioh; /* keypad i/o register */ 45 1.1 soren 46 1.1 soren #define LCDKP_HAS_BUF 0x1 47 1.1 soren u_char sc_flags; 48 1.1 soren u_int8_t sc_buf; /* pending character */ 49 1.1 soren 50 1.1 soren u_int8_t sc_knum; /* number of buttons */ 51 1.1 soren struct lcdkp_xlate *sc_kpad; /* recognized keycodes */ 52 1.1 soren 53 1.1 soren u_int8_t (* sc_rread)(bus_space_tag_t, bus_space_handle_t); 54 1.1 soren 55 1.3 rmind kmutex_t sc_lock; 56 1.1 soren }; 57 1.1 soren 58 1.1 soren #define lcdkp_dr_read(sc) \ 59 1.1 soren (sc)->sc_rread((sc)->sc_iot, (sc)->sc_ioh); 60 1.1 soren 61 1.1 soren void lcdkp_attach_subr(struct lcdkp_chip *); 62 1.1 soren int lcdkp_scankey(struct lcdkp_chip *); 63 1.1 soren int lcdkp_readkey(struct lcdkp_chip *, u_int8_t *); 64 1.1 soren 65 1.1 soren #endif /* _KERNEL */ 66 1.1 soren 67 1.1 soren #endif /* _DEV_IC_LCDKP_SUBR_H_ */ 68