Subversion Repositories openrisc_2011-10-31

/*

 *  This file contains the definitions for the following real-time clocks:

 *

 *    + Harris Semiconduction ICM7170

 *

 *  COPYRIGHT (c) 1989-1999.

 *  On-Line Applications Research Corporation (OAR).

 *

 *  The license and distribution terms for this file may be

 *  found in the file LICENSE in this distribution or at

 *  http://www.OARcorp.com/rtems/license.html.

 *

 *  $Id: icm7170.h,v 1.2 2001-09-27 12:01:42 chris Exp $

 */

#ifndef __LIBCHIP_ICM7170_h

#define __LIBCHIP_ICM7170_h

/*

 *  Register indices

 */

#define ICM7170_CONTROL             0x11

#define ICM7170_COUNTER_HUNDREDTHS  0x00

#define ICM7170_HOUR                0x01

#define ICM7170_MINUTE              0x02

#define ICM7170_SECOND              0x03

#define ICM7170_MONTH               0x04

#define ICM7170_DATE                0x05

#define ICM7170_YEAR                0x06

#define ICM7170_DAY_OF_WEEK         0x07

/*

 *  Configuration information in the parameters field

 */

#define ICM7170_AT_32_KHZ  0x00

#define ICM7170_AT_1_MHZ   0x01

#define ICM7170_AT_2_MHZ   0x02

#define ICM7170_AT_4_MHZ   0x03

/*

 *  Driver function table

 */

extern rtc_fns icm7170_fns;

/*

 * Default register access routines

 */

unsigned32 icm7170_get_register(    /* registers are at 1 byte boundaries */

  unsigned32  ulCtrlPort,           /*   and accessed as bytes            */

  unsigned8   ucRegNum

);

void  icm7170_set_register(

  unsigned32  ulCtrlPort,

  unsigned8   ucRegNum,

  unsigned32  ucData

);

unsigned32 icm7170_get_register_2(  /* registers are at 2 byte boundaries */

  unsigned32  ulCtrlPort,           /*   and accessed as bytes            */

  unsigned8   ucRegNum

);

void  icm7170_set_register_2(

  unsigned32  ulCtrlPort,

  unsigned8   ucRegNum,

  unsigned32  ucData

);

unsigned32 icm7170_get_register_4(  /* registers are at 4 byte boundaries */

  unsigned32  ulCtrlPort,           /*   and accessed as bytes            */

  unsigned8   ucRegNum

);

void  icm7170_set_register_4(

  unsigned32  ulCtrlPort,

  unsigned8   ucRegNum,

  unsigned32  ucData

);

unsigned32 icm7170_get_register_8(  /* registers are at 8 byte boundaries */

  unsigned32  ulCtrlPort,           /*   and accessed as bytes            */

  unsigned8   ucRegNum

);

void  icm7170_set_register_8(

  unsigned32  ulCtrlPort,

  unsigned8   ucRegNum,

  unsigned32  ucData

);

#endif

/* end of include file */