source: rtems/c/src/libchip/rtc/rtc.h @ 5217d5a

4.104.114.84.9
Last change on this file since 5217d5a was fb339a8, checked in by Joel Sherrill <joel.sherrill@…>, on Jul 29, 1998 at 12:04:02 AM

Deleted probe routine as device specific.

Renamed port table.

  • Property mode set to 100644
File size: 2.2 KB
Line 
1/*
2 *  This file contains the Real-Time Clock definitions.
3 *
4 *  COPYRIGHT (c) 1989-1998.
5 *  On-Line Applications Research Corporation (OAR).
6 *  Copyright assigned to U.S. Government, 1994.
7 *
8 *  The license and distribution terms for this file may be
9 *  found in the file LICENSE in this distribution or at
10 *  http://www.OARcorp.com/rtems/license.html.
11 *
12 *
13 *  $Id$
14 */
15
16#ifndef __LIBCHIP_RTC_h
17#define __LIBCHIP_RTC_h
18
19/*
20 *  Types for get and set register routines
21 */
22
23typedef unsigned32 (*getRegister_f)(unsigned32 port, unsigned8 register);
24typedef void       (*setRegister_f)(
25                            unsigned32 port, unsigned8 reg, unsigned32 value);
26
27typedef struct _rtc_fns {
28  void    (*deviceInitialize)(int minor);
29  int     (*deviceGetTime)(int minor, rtems_time_of_day *time);
30  int     (*deviceSetTime)(int minor, rtems_time_of_day *time);
31} rtc_fns;
32
33typedef enum {
34  RTC_M48T08,                  /* SGS-Thomsom M48T08 or M48T18 */
35  RTC_ICM7170,                 /* Harris ICM-7170 */
36  RTC_CUSTOM                   /* BSP specific driver */
37} rtc_devs;
38
39/*
40 * Each field is interpreted thus:
41 *
42 * sDeviceName  This is the name of the device.
43 *
44 * deviceType   This indicates the chip type.
45 *
46 * pDeviceFns   This is a pointer to the set of driver routines to use.
47 *
48 * pDeviceParams This contains either device specific data or a pointer to a
49 *              device specific information table.
50 *
51 * ulCtrlPort1  This is the primary control port number for the device.
52 *
53 * ulCtrlPort2  This is the secondary control port number.
54 *
55 * ulDataPort   This is the port number for the data port of the device
56 *
57 * getRegister  This is the routine used to read register values.
58 *
59 * setRegister  This is the routine used to write register values.
60 */
61
62typedef struct _rtc_tbl {
63  char          *sDeviceName;
64  rtc_devs       deviceType;
65  rtc_fns       *pDeviceFns;
66  boolean      (*deviceProbe)(int minor);
67  void          *pDeviceParams;
68  unsigned32     ulCtrlPort1;
69  unsigned32     ulDataPort;
70  getRegister_f  getRegister;
71  setRegister_f  setRegister;
72} rtc_tbl;
73
74extern rtc_tbl        RTC_Table[];
75extern unsigned long  RTC_Count;
76
77
78boolean rtc_probe( int minor );
79
80#endif
81/* end of include file */
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