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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [include/] [asm-ppc/] [rtc.h] - Blame information for rev 1774

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/*
 * inclue/asm-ppc/rtc.h
 *
 * Author: Tom Rini <trini@mvista.com>
 *
 * 2002 (c) MontaVista, Software, Inc.  This file is licensed under
 * the terms of the GNU General Public License version 2.  This program
 * is licensed "as is" without any warranty of any kind, whether express
 * or implied.
 *
 * Based on:
 * include/asm-m68k/rtc.h
 *
 * Copyright Richard Zidlicky
 * implementation details for genrtc/q40rtc driver
 *
 * And the old drivers/macintosh/rtc.c which was heavily based on:
 * Linux/SPARC Real Time Clock Driver
 * Copyright (C) 1996 Thomas K. Dyas (tdyas@eden.rutgers.edu)
 *
 * With additional work by Paul Mackerras and Franz Sirl.
 */
 
#ifndef __ASM_RTC_H__
#define __ASM_RTC_H__
 
#ifdef __KERNEL__
 
#include <linux/rtc.h>
 
#include <asm/machdep.h>
#include <asm/time.h>
 
#define RTC_PIE 0x40            /* periodic interrupt enable */
#define RTC_AIE 0x20            /* alarm interrupt enable */
#define RTC_UIE 0x10            /* update-finished interrupt enable */
 
extern void gen_rtc_interrupt(unsigned long);
 
/* some dummy definitions */
#define RTC_BATT_BAD 0x100      /* battery bad */
#define RTC_SQWE 0x08           /* enable square-wave output */
#define RTC_DM_BINARY 0x04      /* all time/date values are BCD if clear */
#define RTC_24H 0x02            /* 24 hour mode - else hours bit 7 means pm */
#define RTC_DST_EN 0x01         /* auto switch DST - works f. USA only */
 
static inline unsigned int get_rtc_time(struct rtc_time *time)
{
        if (ppc_md.get_rtc_time) {
                unsigned long nowtime;
 
                nowtime = (ppc_md.get_rtc_time)();
 
                to_tm(nowtime, time);
 
                time->tm_year -= 1900;
                time->tm_mon -= 1; /* Make sure userland has a 0-based month */
        }
 
        return RTC_24H;
}
 
/* Set the current date and time in the real time clock. */
static inline int set_rtc_time(struct rtc_time *time)
{
        if (ppc_md.get_rtc_time) {
                unsigned long nowtime;
 
                nowtime = mktime(time->tm_year+1900, time->tm_mon+1,
                                time->tm_mday, time->tm_hour, time->tm_min,
                                time->tm_sec);
 
                (ppc_md.set_rtc_time)(nowtime);
 
                return 0;
        } else
                return -EINVAL;
}
 
static inline unsigned int get_rtc_ss(void)
{
        struct rtc_time h;
 
        get_rtc_time(&h);
        return h.tm_sec;
}
 
static inline int get_rtc_pll(struct rtc_pll_info *pll)
{
        return -EINVAL;
}
static inline int set_rtc_pll(struct rtc_pll_info *pll)
{
        return -EINVAL;
}
 
#endif /* __KERNEL__ */
#endif /* __ASM_RTC_H__ */

Line No.	Rev	Author	Line
1	1276	phoenix	`/*`
2			`* inclue/asm-ppc/rtc.h`
3			`*`
4			`* Author: Tom Rini <trini@mvista.com>`
5			`*`
6			`* 2002 (c) MontaVista, Software, Inc. This file is licensed under`
7			`* the terms of the GNU General Public License version 2. This program`
8			`* is licensed "as is" without any warranty of any kind, whether express`
9			`* or implied.`
10			`*`
11			`* Based on:`
12			`* include/asm-m68k/rtc.h`
13			`*`
14			`* Copyright Richard Zidlicky`
15			`* implementation details for genrtc/q40rtc driver`
16			`*`
17			`* And the old drivers/macintosh/rtc.c which was heavily based on:`
18			`* Linux/SPARC Real Time Clock Driver`
19			`* Copyright (C) 1996 Thomas K. Dyas (tdyas@eden.rutgers.edu)`
20			`*`
21			`* With additional work by Paul Mackerras and Franz Sirl.`
22			`*/`
23
24			`#ifndef __ASM_RTC_H__`
25			`#define __ASM_RTC_H__`
26
27			`#ifdef __KERNEL__`
28
29			`#include <linux/rtc.h>`
30
31			`#include <asm/machdep.h>`
32			`#include <asm/time.h>`
33
34			`#define RTC_PIE 0x40 /* periodic interrupt enable */`
35			`#define RTC_AIE 0x20 /* alarm interrupt enable */`
36			`#define RTC_UIE 0x10 /* update-finished interrupt enable */`
37
38			`extern void gen_rtc_interrupt(unsigned long);`
39
40			`/* some dummy definitions */`
41			`#define RTC_BATT_BAD 0x100 /* battery bad */`
42			`#define RTC_SQWE 0x08 /* enable square-wave output */`
43			`#define RTC_DM_BINARY 0x04 /* all time/date values are BCD if clear */`
44			`#define RTC_24H 0x02 /* 24 hour mode - else hours bit 7 means pm */`
45			`#define RTC_DST_EN 0x01 /* auto switch DST - works f. USA only */`
46
47			`static inline unsigned int get_rtc_time(struct rtc_time *time)`
48			`{`
49			`if (ppc_md.get_rtc_time) {`
50			`unsigned long nowtime;`
51
52			`nowtime = (ppc_md.get_rtc_time)();`
53
54			`to_tm(nowtime, time);`
55
56			`time->tm_year -= 1900;`
57			`time->tm_mon -= 1; /* Make sure userland has a 0-based month */`
58			`}`
59
60			`return RTC_24H;`
61			`}`
62
63			`/* Set the current date and time in the real time clock. */`
64			`static inline int set_rtc_time(struct rtc_time *time)`
65			`{`
66			`if (ppc_md.get_rtc_time) {`
67			`unsigned long nowtime;`
68
69			`nowtime = mktime(time->tm_year+1900, time->tm_mon+1,`
70			`time->tm_mday, time->tm_hour, time->tm_min,`
71			`time->tm_sec);`
72
73			`(ppc_md.set_rtc_time)(nowtime);`
74
75			`return 0;`
76			`} else`
77			`return -EINVAL;`
78			`}`
79
80			`static inline unsigned int get_rtc_ss(void)`
81			`{`
82			`struct rtc_time h;`
83
84			`get_rtc_time(&h);`
85			`return h.tm_sec;`
86			`}`
87
88			`static inline int get_rtc_pll(struct rtc_pll_info *pll)`
89			`{`
90			`return -EINVAL;`
91			`}`
92			`static inline int set_rtc_pll(struct rtc_pll_info *pll)`
93			`{`
94			`return -EINVAL;`
95			`}`
96
97			`#endif /* __KERNEL__ */`
98			`#endif /* __ASM_RTC_H__ */`

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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [include/] [asm-ppc/] [rtc.h] - Blame information for rev 1774