1 | /* |
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2 | * This file contains the Real-Time Clock definitions. |
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3 | * |
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4 | * COPYRIGHT (c) 1989-1999. |
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5 | * On-Line Applications Research Corporation (OAR). |
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6 | * |
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7 | * The license and distribution terms for this file may be |
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8 | * found in the file LICENSE in this distribution or at |
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9 | * http://www.OARcorp.com/rtems/license.html. |
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10 | * |
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11 | * |
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12 | * $Id$ |
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13 | */ |
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14 | |
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15 | #ifndef __LIBCHIP_RTC_h |
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16 | #define __LIBCHIP_RTC_h |
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17 | |
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18 | /* |
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19 | * Types for get and set register routines |
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20 | */ |
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21 | |
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22 | typedef unsigned32 (*getRegister_f)(unsigned32 port, unsigned8 register); |
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23 | typedef void (*setRegister_f)( |
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24 | unsigned32 port, unsigned8 reg, unsigned32 value); |
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25 | |
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26 | typedef struct _rtc_fns { |
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27 | void (*deviceInitialize)(int minor); |
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28 | int (*deviceGetTime)(int minor, rtems_time_of_day *time); |
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29 | int (*deviceSetTime)(int minor, rtems_time_of_day *time); |
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30 | } rtc_fns; |
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31 | |
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32 | typedef enum { |
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33 | RTC_M48T08, /* SGS-Thomsom M48T08 or M48T18 */ |
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34 | RTC_ICM7170, /* Harris ICM-7170 */ |
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35 | RTC_CUSTOM /* BSP specific driver */ |
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36 | } rtc_devs; |
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37 | |
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38 | /* |
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39 | * Each field is interpreted thus: |
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40 | * |
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41 | * sDeviceName This is the name of the device. |
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42 | * |
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43 | * deviceType This indicates the chip type. |
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44 | * |
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45 | * pDeviceFns This is a pointer to the set of driver routines to use. |
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46 | * |
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47 | * pDeviceParams This contains either device specific data or a pointer to a |
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48 | * device specific information table. |
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49 | * |
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50 | * ulCtrlPort1 This is the primary control port number for the device. |
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51 | * |
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52 | * ulCtrlPort2 This is the secondary control port number. |
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53 | * |
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54 | * ulDataPort This is the port number for the data port of the device |
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55 | * |
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56 | * getRegister This is the routine used to read register values. |
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57 | * |
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58 | * setRegister This is the routine used to write register values. |
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59 | */ |
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60 | |
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61 | typedef struct _rtc_tbl { |
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62 | char *sDeviceName; |
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63 | rtc_devs deviceType; |
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64 | rtc_fns *pDeviceFns; |
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65 | boolean (*deviceProbe)(int minor); |
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66 | void *pDeviceParams; |
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67 | unsigned32 ulCtrlPort1; |
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68 | unsigned32 ulDataPort; |
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69 | getRegister_f getRegister; |
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70 | setRegister_f setRegister; |
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71 | } rtc_tbl; |
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72 | |
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73 | extern rtc_tbl RTC_Table[]; |
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74 | extern unsigned long RTC_Count; |
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75 | |
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76 | |
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77 | boolean rtc_probe( int minor ); |
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78 | |
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79 | #endif |
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80 | /* end of include file */ |
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