aboutsummaryrefslogtreecommitdiffstats
path: root/arch/cris/include/asm/rtc.h
diff options
context:
space:
mode:
authorJesper Nilsson <jesper.nilsson@axis.com>2008-10-21 11:45:58 -0400
committerJesper Nilsson <jesper.nilsson@axis.com>2008-10-29 12:29:44 -0400
commit556dcee7b829e5c350c3ffdbdb87a8b15aa3c5d3 (patch)
tree26485b0d92eedcba6c0c96d4069469041aaf7106 /arch/cris/include/asm/rtc.h
parent242bfafc8e42da4697c1e2dea108049d14dbac4b (diff)
[CRIS] Move header files from include to arch/cris/include.
Change all users of header files to correct path. Remove some unneeded headers for arch-v32. Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Diffstat (limited to 'arch/cris/include/asm/rtc.h')
-rw-r--r--arch/cris/include/asm/rtc.h107
1 files changed, 107 insertions, 0 deletions
diff --git a/arch/cris/include/asm/rtc.h b/arch/cris/include/asm/rtc.h
new file mode 100644
index 000000000000..17d3019529e1
--- /dev/null
+++ b/arch/cris/include/asm/rtc.h
@@ -0,0 +1,107 @@
1
2#ifndef __RTC_H__
3#define __RTC_H__
4
5#ifdef CONFIG_ETRAX_DS1302
6 /* Dallas DS1302 clock/calendar register numbers. */
7# define RTC_SECONDS 0
8# define RTC_MINUTES 1
9# define RTC_HOURS 2
10# define RTC_DAY_OF_MONTH 3
11# define RTC_MONTH 4
12# define RTC_WEEKDAY 5
13# define RTC_YEAR 6
14# define RTC_CONTROL 7
15
16 /* Bits in CONTROL register. */
17# define RTC_CONTROL_WRITEPROTECT 0x80
18# define RTC_TRICKLECHARGER 8
19
20 /* Bits in TRICKLECHARGER register TCS TCS TCS TCS DS DS RS RS. */
21# define RTC_TCR_PATTERN 0xA0 /* 1010xxxx */
22# define RTC_TCR_1DIOD 0x04 /* xxxx01xx */
23# define RTC_TCR_2DIOD 0x08 /* xxxx10xx */
24# define RTC_TCR_DISABLED 0x00 /* xxxxxx00 Disabled */
25# define RTC_TCR_2KOHM 0x01 /* xxxxxx01 2KOhm */
26# define RTC_TCR_4KOHM 0x02 /* xxxxxx10 4kOhm */
27# define RTC_TCR_8KOHM 0x03 /* xxxxxx11 8kOhm */
28
29#elif defined(CONFIG_ETRAX_PCF8563)
30 /* I2C bus slave registers. */
31# define RTC_I2C_READ 0xa3
32# define RTC_I2C_WRITE 0xa2
33
34 /* Phillips PCF8563 registers. */
35# define RTC_CONTROL1 0x00 /* Control/Status register 1. */
36# define RTC_CONTROL2 0x01 /* Control/Status register 2. */
37# define RTC_CLOCKOUT_FREQ 0x0d /* CLKOUT frequency. */
38# define RTC_TIMER_CONTROL 0x0e /* Timer control. */
39# define RTC_TIMER_CNTDOWN 0x0f /* Timer countdown. */
40
41 /* BCD encoded clock registers. */
42# define RTC_SECONDS 0x02
43# define RTC_MINUTES 0x03
44# define RTC_HOURS 0x04
45# define RTC_DAY_OF_MONTH 0x05
46# define RTC_WEEKDAY 0x06 /* Not coded in BCD! */
47# define RTC_MONTH 0x07
48# define RTC_YEAR 0x08
49# define RTC_MINUTE_ALARM 0x09
50# define RTC_HOUR_ALARM 0x0a
51# define RTC_DAY_ALARM 0x0b
52# define RTC_WEEKDAY_ALARM 0x0c
53
54#endif
55
56#ifdef CONFIG_ETRAX_DS1302
57extern unsigned char ds1302_readreg(int reg);
58extern void ds1302_writereg(int reg, unsigned char val);
59extern int ds1302_init(void);
60# define CMOS_READ(x) ds1302_readreg(x)
61# define CMOS_WRITE(val,reg) ds1302_writereg(reg,val)
62# define RTC_INIT() ds1302_init()
63#elif defined(CONFIG_ETRAX_PCF8563)
64extern unsigned char pcf8563_readreg(int reg);
65extern void pcf8563_writereg(int reg, unsigned char val);
66extern int pcf8563_init(void);
67# define CMOS_READ(x) pcf8563_readreg(x)
68# define CMOS_WRITE(val,reg) pcf8563_writereg(reg,val)
69# define RTC_INIT() pcf8563_init()
70#else
71 /* No RTC configured so we shouldn't try to access any. */
72# define CMOS_READ(x) 42
73# define CMOS_WRITE(x,y)
74# define RTC_INIT() (-1)
75#endif
76
77/*
78 * The struct used to pass data via the following ioctl. Similar to the
79 * struct tm in <time.h>, but it needs to be here so that the kernel
80 * source is self contained, allowing cross-compiles, etc. etc.
81 */
82struct rtc_time {
83 int tm_sec;
84 int tm_min;
85 int tm_hour;
86 int tm_mday;
87 int tm_mon;
88 int tm_year;
89 int tm_wday;
90 int tm_yday;
91 int tm_isdst;
92};
93
94/* ioctl() calls that are permitted to the /dev/rtc interface. */
95#define RTC_MAGIC 'p'
96/* Read RTC time. */
97#define RTC_RD_TIME _IOR(RTC_MAGIC, 0x09, struct rtc_time)
98/* Set RTC time. */
99#define RTC_SET_TIME _IOW(RTC_MAGIC, 0x0a, struct rtc_time)
100#define RTC_SET_CHARGE _IOW(RTC_MAGIC, 0x0b, int)
101/* Voltage low detector */
102#define RTC_VL_READ _IOR(RTC_MAGIC, 0x13, int)
103/* Clear voltage low information */
104#define RTC_VL_CLR _IO(RTC_MAGIC, 0x14)
105#define RTC_MAX_IOCTL 0x14
106
107#endif /* __RTC_H__ */