summaryrefslogtreecommitdiff
path: root/arch/m32r/include/asm/rtc.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/m32r/include/asm/rtc.h')
-rw-r--r--arch/m32r/include/asm/rtc.h66
1 files changed, 0 insertions, 66 deletions
diff --git a/arch/m32r/include/asm/rtc.h b/arch/m32r/include/asm/rtc.h
deleted file mode 100644
index a94cf1edc60f..000000000000
--- a/arch/m32r/include/asm/rtc.h
+++ /dev/null
@@ -1,66 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef __RTC_H__
-#define __RTC_H__
-
- /* Dallas DS1302 clock/calendar register numbers. */
-# define RTC_SECONDS 0
-# define RTC_MINUTES 1
-# define RTC_HOURS 2
-# define RTC_DAY_OF_MONTH 3
-# define RTC_MONTH 4
-# define RTC_WEEKDAY 5
-# define RTC_YEAR 6
-# define RTC_CONTROL 7
-
- /* Bits in CONTROL register. */
-# define RTC_CONTROL_WRITEPROTECT 0x80
-# define RTC_TRICKLECHARGER 8
-
- /* Bits in TRICKLECHARGER register TCS TCS TCS TCS DS DS RS RS. */
-# define RTC_TCR_PATTERN 0xA0 /* 1010xxxx */
-# define RTC_TCR_1DIOD 0x04 /* xxxx01xx */
-# define RTC_TCR_2DIOD 0x08 /* xxxx10xx */
-# define RTC_TCR_DISABLED 0x00 /* xxxxxx00 Disabled */
-# define RTC_TCR_2KOHM 0x01 /* xxxxxx01 2KOhm */
-# define RTC_TCR_4KOHM 0x02 /* xxxxxx10 4kOhm */
-# define RTC_TCR_8KOHM 0x03 /* xxxxxx11 8kOhm */
-
-#ifdef CONFIG_DS1302
-extern unsigned char ds1302_readreg(int reg);
-extern void ds1302_writereg(int reg, unsigned char val);
-extern int ds1302_init(void);
-# define CMOS_READ(x) ds1302_readreg(x)
-# define CMOS_WRITE(val,reg) ds1302_writereg(reg,val)
-# define RTC_INIT() ds1302_init()
-#else
- /* No RTC configured so we shouldn't try to access any. */
-# define CMOS_READ(x) 42
-# define CMOS_WRITE(x,y)
-# define RTC_INIT() (-1)
-#endif
-
-/*
- * The struct used to pass data via the following ioctl. Similar to the
- * struct tm in <time.h>, but it needs to be here so that the kernel
- * source is self contained, allowing cross-compiles, etc. etc.
- */
-struct rtc_time {
- int tm_sec;
- int tm_min;
- int tm_hour;
- int tm_mday;
- int tm_mon;
- int tm_year;
- int tm_wday;
- int tm_yday;
- int tm_isdst;
-};
-
-/* ioctl() calls that are permitted to the /dev/rtc interface. */
-#define RTC_MAGIC 'p'
-#define RTC_RD_TIME _IOR(RTC_MAGIC, 0x09, struct rtc_time) /* Read RTC time. */
-#define RTC_SET_TIME _IOW(RTC_MAGIC, 0x0a, struct rtc_time) /* Set RTC time. */
-#define RTC_SET_CHARGE _IOW(RTC_MAGIC, 0x0b, int)
-#define RTC_MAX_IOCTL 0x0b
-
-#endif /* __RTC_H__ */