187190c809
- Removed mainbus specific code and moved the basic drivers from
arm32/mainbus to arm32/dev. Added code so that these drivers
will support multiple attachments from different ARM busses.
73 lines
2.4 KiB
C
73 lines
2.4 KiB
C
/* $NetBSD: iic.h,v 1.1 1997/10/14 19:35:41 mark Exp $ */
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/*
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* Copyright (c) 1996 Mark Brinicombe.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Brini.
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* 4. The name of the company nor the name of the author may be used to
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* endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* RiscBSD kernel project
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*
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* iic.h
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*
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* header file for IIC
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*
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* Created : 15/04/96
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*/
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/*
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* IIC bus driver attach arguments
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*/
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#ifdef _KERNEL
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struct iicbus_attach_args {
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int ib_addr; /* i/o address */
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void *ib_aux; /* driver specific */
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void *ib_iic_softc; /* softc of iic parent */
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};
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#define iic_bitdelay 10
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#define IIC_WRITE 0x00
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#define IIC_READ 0x01
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/* Prototypes for assembly functions */
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void iic_set_state __P((int data, int clock));
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void iic_set_state_and_ack __P((int data, int clock));
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void iic_delay __P((int delay));
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/* Prototype for kernel interface to IIC bus */
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int iic_control __P((u_char address, u_char *buffer, int count));
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#endif /* _KERNEL */
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/* End of iic.h */
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