1997-01-04 02:13:05 +03:00
|
|
|
/* $NetBSD: iic.h,v 1.2 1997/01/03 23:13:05 mark Exp $ */
|
1996-04-19 23:52:46 +04:00
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Copyright (c) 1996 Mark Brinicombe.
|
|
|
|
|
* All rights reserved.
|
|
|
|
|
*
|
|
|
|
|
* Redistribution and use in source and binary forms, with or without
|
|
|
|
|
* modification, are permitted provided that the following conditions
|
|
|
|
|
* are met:
|
|
|
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
|
|
|
* notice, this list of conditions and the following disclaimer.
|
|
|
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
|
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
|
|
|
* documentation and/or other materials provided with the distribution.
|
|
|
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
|
|
|
* must display the following acknowledgement:
|
|
|
|
|
* This product includes software developed by Brini.
|
|
|
|
|
* 4. The name of the company nor the name of the author may be used to
|
|
|
|
|
* endorse or promote products derived from this software without specific
|
|
|
|
|
* prior written permission.
|
|
|
|
|
*
|
|
|
|
|
* THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
|
|
|
|
|
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
|
|
|
|
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
|
|
|
* IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
|
|
|
|
|
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
|
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
|
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
|
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
|
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
|
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
|
|
|
* SUCH DAMAGE.
|
|
|
|
|
*
|
|
|
|
|
* RiscBSD kernel project
|
|
|
|
|
*
|
|
|
|
|
* iic.h
|
|
|
|
|
*
|
|
|
|
|
* header file for IIC
|
|
|
|
|
*
|
|
|
|
|
* Created : 15/04/96
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* IIC bus driver attach arguments
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#ifdef _KERNEL
|
|
|
|
|
|
|
|
|
|
struct iicbus_attach_args {
|
1997-01-04 02:13:05 +03:00
|
|
|
int ib_addr; /* i/o address */
|
1996-04-19 23:52:46 +04:00
|
|
|
void *ib_aux; /* driver specific */
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
#define iic_bitdelay 10
|
|
|
|
|
|
|
|
|
|
#define IIC_WRITE 0x00
|
|
|
|
|
#define IIC_READ 0x01
|
|
|
|
|
|
|
|
|
|
/* Prototypes for assembly functions */
|
|
|
|
|
|
|
|
|
|
void iic_set_state __P((int data, int clock));
|
|
|
|
|
void iic_set_state_and_ack __P((int data, int clock));
|
|
|
|
|
void iic_delay __P((int delay));
|
|
|
|
|
|
|
|
|
|
/* Prototype for kernel interface to IIC bus */
|
|
|
|
|
|
|
|
|
|
int iic_control __P((u_char address, u_char *buffer, int count));
|
|
|
|
|
|
|
|
|
|
#endif /* _KERNEL */
|
|
|
|
|
|
|
|
|
|
/* End of iic.h */
|
