1 /* $NetBSD: adbvar.h,v 1.2 2008/04/29 06:53:02 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 2006 Michael Lorenz 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: adbvar.h,v 1.2 2008/04/29 06:53:02 martin Exp $"); 31 32 #ifndef ADBVAR_H 33 #define ADBVAR_H 34 35 #define ADB_CMDADDR(cmd) ((u_int8_t)((cmd) & 0xf0) >> 4) 36 #define ADBFLUSH(dev) ((((u_int8_t)(dev) & 0x0f) << 4) | 0x01) 37 #define ADBLISTEN(dev, reg) ((((u_int8_t)(dev) & 0x0f) << 4) | 0x08 | (reg)) 38 #define ADBTALK(dev, reg) ((((u_int8_t)(dev) & 0x0f) << 4) | 0x0c | (reg)) 39 40 struct adb_bus_accessops { 41 void *cookie; 42 /* cookie, poll, address/command, length, data */ 43 int (*send)(void *, int, int, int, uint8_t *); 44 void (*poll)(void *); 45 void (*autopoll)(void *, int); /* bitmask of ADB addresses to poll */ 46 int (*set_handler)(void *, void (*)(void *, int, uint8_t *), void *); 47 }; 48 49 struct adb_device { 50 void *cookie; 51 void (*handler)(void *, int, uint8_t *); 52 int current_addr; 53 int original_addr; 54 int handler_id; 55 }; 56 57 struct adb_attach_args { 58 struct adb_bus_accessops *ops; 59 struct adb_device *dev; 60 }; 61 62 int nadb_print(void *, const char *); 63 64 65 #endif /* ADBVAR_H */ 66