h2io.h

Vitesse 24port gigabit Switch Source Code

/*

    Copyright (c) 2002-2004 Vitesse Semiconductor Corporation "Vitesse".  
    All Rights Reserved.  Unpublished rights reserved under the copyright laws
    of the United States of America, other countries and international treaties.
    The software is provided without a fee. Permission to use, copy, store and 
    modify, the software and its source code is granted. Permission to integrate
    into other products, disclose, transmit and distribute the software in an
    absolute machine readable format (e.g. HEX file) is also granted. 

    The source code of the software may not be disclosed, transmitted or
    distributed without the written permission of Vitesse. The software and its
    source code may only be used in products utilizing a Vitesse VSC73xx product.
 
    This copyright notice must appear in any copy, modification, disclosure,
    transmission or distribution of the software. Vitesse retains all ownership,
    copyright, trade secret and proprietary rights in the software.  

    THIS SOFTWARE HAS BEEN PROVIDED "AS IS," WITHOUT EXPRESS OR IMPLIED WARRANTY
    INCLUDING, WITHOUT LIMITATION, IMPLIED WARRANTIES OF MERCHANTABILITY,
    FITNESS FOR A PARTICULAR USE AND NON-INFRINGEMENT.

*/
#ifndef __H2IO_H__
#define __H2IO_H__

/* Function to be used for reading registers */
ulong h2_read (uchar block, uchar subblock, uchar addr) small;

/* Macro to be used for writing registers */
#define h2_write(block, subblock, addr, value) \
h2_write_addr((block), (subblock), (addr)); \
h2_write_((value))

/* Assembler functions used by above macro */
void  h2_write_addr (uchar block, uchar subblock, uchar addr) small;
void  h2_write_ (ulong value) small;

/* Functions to be used for masked writings. 
   The functions are found in h2ioutil.c */
void  h2_write_masked (uchar block, uchar subblock, uchar addr, 
                       ulong value, ulong mask);
void  h2_write_bit (uchar block, uchar subblock, uchar addr, 
                    uchar bit_no, uchar status);

#endif