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adbvar.h revision 1.1.2.2 
      1 /*	$NetBSD: adbvar.h,v 1.1.2.2 2007/02/06 17:10:30 ad 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  * 3. Neither the name of The NetBSD Foundation nor the names of its
     16  *    contributors may be used to endorse or promote products derived
     17  *    from this software without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 __KERNEL_RCSID(0, "$NetBSD: adbvar.h,v 1.1.2.2 2007/02/06 17:10:30 ad Exp $");
     34 
     35 #ifndef ADBVAR_H
     36 #define ADBVAR_H
     37 
     38 #define ADB_CMDADDR(cmd)	((u_int8_t)((cmd) & 0xf0) >> 4)
     39 #define ADBFLUSH(dev)		((((u_int8_t)(dev) & 0x0f) << 4) | 0x01)
     40 #define ADBLISTEN(dev, reg)	((((u_int8_t)(dev) & 0x0f) << 4) | 0x08 | (reg))
     41 #define ADBTALK(dev, reg)	((((u_int8_t)(dev) & 0x0f) << 4) | 0x0c | (reg))
     42 
     43 struct adb_bus_accessops {
     44 	void *cookie;
     45 	/* cookie, poll, address/command, length, data */
     46 	int (*send)(void *, int, int, int, uint8_t *);
     47 	void (*poll)(void *);
     48 	void (*autopoll)(void *, int);	/* bitmask of ADB addresses to poll */
     49 	int (*set_handler)(void *, void (*)(void *, int, uint8_t *), void *);
     50 };
     51 
     52 struct adb_device {
     53 	void *cookie;
     54 	void (*handler)(void *, int, uint8_t *);
     55 	int current_addr;
     56 	int original_addr;
     57 	int handler_id;
     58 };
     59 
     60 struct adb_attach_args {
     61 	struct adb_bus_accessops *ops;
     62 	struct adb_device *dev;
     63 };
     64 
     65 int nadb_print(void *, const char *);
     66 
     67 
     68 #endif /* ADBVAR_H */
     69