diff options
author | Hirokazu Takata <takata@linux-m32r.org> | 2008-11-27 12:46:48 -0500 |
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committer | Hirokazu Takata <takata@linux-m32r.org> | 2009-04-16 21:05:01 -0400 |
commit | fe4e719d82c4052751d2287de4bd18bd04e93685 (patch) | |
tree | 3a120e25626becf138f523a356422c0cdf9804c7 /arch/m32r/include/asm/rtc.h | |
parent | 20d9207849d5abe60461841b3c3724f6e7c9d33e (diff) |
m32r: move include/asm-m32r headers to arch/m32r/include/asm
Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
Diffstat (limited to 'arch/m32r/include/asm/rtc.h')
-rw-r--r-- | arch/m32r/include/asm/rtc.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/arch/m32r/include/asm/rtc.h b/arch/m32r/include/asm/rtc.h new file mode 100644 index 000000000000..0340633f3f4d --- /dev/null +++ b/arch/m32r/include/asm/rtc.h | |||
@@ -0,0 +1,65 @@ | |||
1 | #ifndef __RTC_H__ | ||
2 | #define __RTC_H__ | ||
3 | |||
4 | /* Dallas DS1302 clock/calendar register numbers. */ | ||
5 | # define RTC_SECONDS 0 | ||
6 | # define RTC_MINUTES 1 | ||
7 | # define RTC_HOURS 2 | ||
8 | # define RTC_DAY_OF_MONTH 3 | ||
9 | # define RTC_MONTH 4 | ||
10 | # define RTC_WEEKDAY 5 | ||
11 | # define RTC_YEAR 6 | ||
12 | # define RTC_CONTROL 7 | ||
13 | |||
14 | /* Bits in CONTROL register. */ | ||
15 | # define RTC_CONTROL_WRITEPROTECT 0x80 | ||
16 | # define RTC_TRICKLECHARGER 8 | ||
17 | |||
18 | /* Bits in TRICKLECHARGER register TCS TCS TCS TCS DS DS RS RS. */ | ||
19 | # define RTC_TCR_PATTERN 0xA0 /* 1010xxxx */ | ||
20 | # define RTC_TCR_1DIOD 0x04 /* xxxx01xx */ | ||
21 | # define RTC_TCR_2DIOD 0x08 /* xxxx10xx */ | ||
22 | # define RTC_TCR_DISABLED 0x00 /* xxxxxx00 Disabled */ | ||
23 | # define RTC_TCR_2KOHM 0x01 /* xxxxxx01 2KOhm */ | ||
24 | # define RTC_TCR_4KOHM 0x02 /* xxxxxx10 4kOhm */ | ||
25 | # define RTC_TCR_8KOHM 0x03 /* xxxxxx11 8kOhm */ | ||
26 | |||
27 | #ifdef CONFIG_DS1302 | ||
28 | extern unsigned char ds1302_readreg(int reg); | ||
29 | extern void ds1302_writereg(int reg, unsigned char val); | ||
30 | extern int ds1302_init(void); | ||
31 | # define CMOS_READ(x) ds1302_readreg(x) | ||
32 | # define CMOS_WRITE(val,reg) ds1302_writereg(reg,val) | ||
33 | # define RTC_INIT() ds1302_init() | ||
34 | #else | ||
35 | /* No RTC configured so we shouldn't try to access any. */ | ||
36 | # define CMOS_READ(x) 42 | ||
37 | # define CMOS_WRITE(x,y) | ||
38 | # define RTC_INIT() (-1) | ||
39 | #endif | ||
40 | |||
41 | /* | ||
42 | * The struct used to pass data via the following ioctl. Similar to the | ||
43 | * struct tm in <time.h>, but it needs to be here so that the kernel | ||
44 | * source is self contained, allowing cross-compiles, etc. etc. | ||
45 | */ | ||
46 | struct rtc_time { | ||
47 | int tm_sec; | ||
48 | int tm_min; | ||
49 | int tm_hour; | ||
50 | int tm_mday; | ||
51 | int tm_mon; | ||
52 | int tm_year; | ||
53 | int tm_wday; | ||
54 | int tm_yday; | ||
55 | int tm_isdst; | ||
56 | }; | ||
57 | |||
58 | /* ioctl() calls that are permitted to the /dev/rtc interface. */ | ||
59 | #define RTC_MAGIC 'p' | ||
60 | #define RTC_RD_TIME _IOR(RTC_MAGIC, 0x09, struct rtc_time) /* Read RTC time. */ | ||
61 | #define RTC_SET_TIME _IOW(RTC_MAGIC, 0x0a, struct rtc_time) /* Set RTC time. */ | ||
62 | #define RTC_SET_CHARGE _IOW(RTC_MAGIC, 0x0b, int) | ||
63 | #define RTC_MAX_IOCTL 0x0b | ||
64 | |||
65 | #endif /* __RTC_H__ */ | ||