1 1.6 tsutsui /* $NetBSD: dtvar.h,v 1.6 2011/06/04 01:37:36 tsutsui Exp $ */ 2 1.2 ad 3 1.2 ad /*- 4 1.2 ad * Copyright (c) 2002, 2003 The NetBSD Foundation, Inc. 5 1.2 ad * All rights reserved. 6 1.2 ad * 7 1.2 ad * This code is derived from software contributed to The NetBSD Foundation 8 1.2 ad * by Andrew Doran. 9 1.2 ad * 10 1.2 ad * Redistribution and use in source and binary forms, with or without 11 1.2 ad * modification, are permitted provided that the following conditions 12 1.2 ad * are met: 13 1.2 ad * 1. Redistributions of source code must retain the above copyright 14 1.2 ad * notice, this list of conditions and the following disclaimer. 15 1.2 ad * 2. Redistributions in binary form must reproduce the above copyright 16 1.2 ad * notice, this list of conditions and the following disclaimer in the 17 1.2 ad * documentation and/or other materials provided with the distribution. 18 1.2 ad * 19 1.2 ad * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.2 ad * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.2 ad * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.2 ad * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.2 ad * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.2 ad * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.2 ad * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.2 ad * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.2 ad * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.2 ad * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.2 ad * POSSIBILITY OF SUCH DAMAGE. 30 1.2 ad */ 31 1.2 ad 32 1.2 ad #ifndef _DTVAR_H_ 33 1.2 ad #define _DTVAR_H_ 34 1.2 ad 35 1.2 ad #define DT_DEVICE_NO(a) (((a) - DT_ADDR_FIRST) >> 1) 36 1.3 ad #define DT_GET_SHORT(b0, b1) (((b0) << 8) | (b1)) 37 1.2 ad 38 1.2 ad struct dt_msg { 39 1.2 ad uint8_t dst; 40 1.2 ad uint8_t src; 41 1.3 ad uint8_t ctl; 42 1.2 ad 43 1.2 ad /* varzise, checksum byte at end */ 44 1.2 ad uint8_t body[DT_MAX_MSG_SIZE-3]; 45 1.2 ad 46 1.2 ad union { 47 1.2 ad SLIST_ENTRY(dt_msg) slist; 48 1.2 ad SIMPLEQ_ENTRY(dt_msg) simpleq; 49 1.2 ad } chain; 50 1.2 ad }; 51 1.2 ad 52 1.3 ad #define DT_CTL(l, s, p) \ 53 1.3 ad ((l & 0x1f) | ((s & 0x03) << 5) | ((p & 0x01) << 7)) 54 1.3 ad #define DT_CTL_P(c) ((c >> 7) & 0x01) 55 1.3 ad #define DT_CTL_SUBADDR(c) ((c >> 5) & 0x03) 56 1.3 ad #define DT_CTL_LEN(c) (c & 0x1f) 57 1.3 ad 58 1.2 ad struct dt_device { 59 1.6 tsutsui void *dtdv_arg; 60 1.3 ad void (*dtdv_handler)(void *, struct dt_msg *); 61 1.2 ad }; 62 1.2 ad 63 1.2 ad struct dt_state { 64 1.2 ad volatile u_int *ds_data; 65 1.2 ad volatile u_int *ds_poll; 66 1.2 ad int ds_bad_pkts; 67 1.2 ad int ds_state; 68 1.2 ad int ds_escaped; 69 1.2 ad int ds_len; 70 1.2 ad int ds_ptr; 71 1.2 ad }; 72 1.2 ad 73 1.2 ad struct dt_softc { 74 1.6 tsutsui device_t sc_dev; 75 1.2 ad struct dt_msg sc_msg; 76 1.3 ad void *sc_sih; 77 1.2 ad SLIST_HEAD(, dt_msg) sc_free; 78 1.3 ad SIMPLEQ_HEAD(, dt_msg) sc_queue; 79 1.2 ad }; 80 1.2 ad 81 1.2 ad struct dt_attach_args { 82 1.2 ad int dta_addr; 83 1.2 ad }; 84 1.2 ad 85 1.2 ad #define DT_GET_ERROR -1 86 1.2 ad #define DT_GET_DONE 0 87 1.2 ad #define DT_GET_NOTYET 1 88 1.2 ad 89 1.2 ad void dt_cninit(void); 90 1.2 ad int dt_identify(int, struct dt_ident *); 91 1.2 ad int dt_msg_get(struct dt_msg *, int); 92 1.3 ad void dt_msg_dump(struct dt_msg *); 93 1.3 ad int dt_establish_handler(struct dt_softc *, struct dt_device *, 94 1.6 tsutsui void *, void (*)(void *, struct dt_msg *)); 95 1.2 ad 96 1.2 ad extern int dt_kbd_addr; 97 1.3 ad extern struct dt_device dt_kbd_dv; 98 1.3 ad extern int dt_ms_addr; 99 1.3 ad extern struct dt_device dt_ms_dv; 100 1.2 ad extern struct dt_state dt_state; 101 1.2 ad 102 1.2 ad #endif /* !_DTVAR_H_ */ 103
Indexes created Mon Sep 22 05:09:51 GMT 2025