diff options
Diffstat (limited to 'include/asm-m32r/rtc.h')
-rw-r--r-- | include/asm-m32r/rtc.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/include/asm-m32r/rtc.h b/include/asm-m32r/rtc.h new file mode 100644 index 000000000000..ec3cdf666c68 --- /dev/null +++ b/include/asm-m32r/rtc.h | |||
@@ -0,0 +1,70 @@ | |||
1 | /* $Id: rtc.h,v 1.1.1.1 2004/03/25 04:29:22 hitoshiy Exp $ */ | ||
2 | |||
3 | #ifndef __RTC_H__ | ||
4 | #define __RTC_H__ | ||
5 | |||
6 | |||
7 | #include <linux/config.h> | ||
8 | |||
9 | /* Dallas DS1302 clock/calendar register numbers. */ | ||
10 | # define RTC_SECONDS 0 | ||
11 | # define RTC_MINUTES 1 | ||
12 | # define RTC_HOURS 2 | ||
13 | # define RTC_DAY_OF_MONTH 3 | ||
14 | # define RTC_MONTH 4 | ||
15 | # define RTC_WEEKDAY 5 | ||
16 | # define RTC_YEAR 6 | ||
17 | # define RTC_CONTROL 7 | ||
18 | |||
19 | /* Bits in CONTROL register. */ | ||
20 | # define RTC_CONTROL_WRITEPROTECT 0x80 | ||
21 | # define RTC_TRICKLECHARGER 8 | ||
22 | |||
23 | /* Bits in TRICKLECHARGER register TCS TCS TCS TCS DS DS RS RS. */ | ||
24 | # define RTC_TCR_PATTERN 0xA0 /* 1010xxxx */ | ||
25 | # define RTC_TCR_1DIOD 0x04 /* xxxx01xx */ | ||
26 | # define RTC_TCR_2DIOD 0x08 /* xxxx10xx */ | ||
27 | # define RTC_TCR_DISABLED 0x00 /* xxxxxx00 Disabled */ | ||
28 | # define RTC_TCR_2KOHM 0x01 /* xxxxxx01 2KOhm */ | ||
29 | # define RTC_TCR_4KOHM 0x02 /* xxxxxx10 4kOhm */ | ||
30 | # define RTC_TCR_8KOHM 0x03 /* xxxxxx11 8kOhm */ | ||
31 | |||
32 | #ifdef CONFIG_DS1302 | ||
33 | extern unsigned char ds1302_readreg(int reg); | ||
34 | extern void ds1302_writereg(int reg, unsigned char val); | ||
35 | extern int ds1302_init(void); | ||
36 | # define CMOS_READ(x) ds1302_readreg(x) | ||
37 | # define CMOS_WRITE(val,reg) ds1302_writereg(reg,val) | ||
38 | # define RTC_INIT() ds1302_init() | ||
39 | #else | ||
40 | /* No RTC configured so we shouldn't try to access any. */ | ||
41 | # define CMOS_READ(x) 42 | ||
42 | # define CMOS_WRITE(x,y) | ||
43 | # define RTC_INIT() (-1) | ||
44 | #endif | ||
45 | |||
46 | /* | ||
47 | * The struct used to pass data via the following ioctl. Similar to the | ||
48 | * struct tm in <time.h>, but it needs to be here so that the kernel | ||
49 | * source is self contained, allowing cross-compiles, etc. etc. | ||
50 | */ | ||
51 | struct rtc_time { | ||
52 | int tm_sec; | ||
53 | int tm_min; | ||
54 | int tm_hour; | ||
55 | int tm_mday; | ||
56 | int tm_mon; | ||
57 | int tm_year; | ||
58 | int tm_wday; | ||
59 | int tm_yday; | ||
60 | int tm_isdst; | ||
61 | }; | ||
62 | |||
63 | /* ioctl() calls that are permitted to the /dev/rtc interface. */ | ||
64 | #define RTC_MAGIC 'p' | ||
65 | #define RTC_RD_TIME _IOR(RTC_MAGIC, 0x09, struct rtc_time) /* Read RTC time. */ | ||
66 | #define RTC_SET_TIME _IOW(RTC_MAGIC, 0x0a, struct rtc_time) /* Set RTC time. */ | ||
67 | #define RTC_SET_CHARGE _IOW(RTC_MAGIC, 0x0b, int) | ||
68 | #define RTC_MAX_IOCTL 0x0b | ||
69 | |||
70 | #endif /* __RTC_H__ */ | ||